:root {
    --red: #2d7a32;
    --red-dark: #1c5b27;
    --red-light: #4ca34f;
    --navy: #1f4f24;
    --navy-dark: #0d3015;
    --navy-light: #2d6635;
    --orange: #E08A1F;
    --yellow: #F4A12A;
    --accent: #F4A12A;
    --accent-dark: #C57610;
    --accent-light: #FFB957;
    --bg: #ffffff;
    --bg-alt: #f5faf5;
    --bg-section: #eef5ee;
    --border: #d8e6d8;
    --text: #1a2a1a;
    --text-soft: #455045;
    --text-mute: #708070;
    --green: #2d7a32;
  }
  * { margin: 0; padding: 0; box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  body {
    font-family: 'Be Vietnam Pro', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
  }
  ::selection { background: var(--red); color: var(--bg); }
  a, button { cursor: pointer; }
  img { max-width: 100%; display: block; }

  /* ============ TOP BAR ============ */
  .topbar {
    background: var(--navy-dark);
    color: rgba(255,255,255,0.9);
    font-size: 13px;
    padding: 8px 0;
    border-bottom: 1px solid rgba(255,255,255,0.1);
  }
  .topbar-inner {
    max-width: 1320px; margin: 0 auto; padding: 0 24px;
    display: flex; justify-content: space-between; align-items: center; gap: 24px;
    flex-wrap: wrap;
  }
  .topbar-left { display: flex; gap: 24px; align-items: center; flex-wrap: wrap; }
  .topbar-item { display: flex; align-items: center; gap: 6px; }
  .topbar-item svg { width: 14px; height: 14px; stroke: var(--yellow); fill: none; stroke-width: 2; }
  .topbar-right { display: flex; gap: 16px; align-items: center; }
  .topbar-right a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    transition: color 0.2s;
  }
  .topbar-right a:hover { color: var(--yellow); }
  .topbar-social { display: flex; gap: 8px; }
  .topbar-social a {
    width: 24px; height: 24px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    transition: all 0.2s;
  }
  .topbar-social a:hover { background: var(--red); }
  .topbar-social svg { width: 11px; height: 11px; fill: white; }

  /* ============ HEADER ============ */
  header {
    position: sticky; top: 0; z-index: 100;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    transition: all 0.3s;
  }
  header.scrolled {
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  }
  .nav-inner {
    max-width: 1320px; margin: 0 auto;
    padding: 18px 24px;
    display: flex; align-items: center; justify-content: space-between; gap: 24px;
  }
  .logo {
    text-decoration: none;
    display: flex; align-items: center; gap: 12px;
  }
  .logo-mark {
    height: 56px;
    width: auto;
    display: block;
    transition: transform 0.3s;
  }
  .logo:hover .logo-mark { transform: rotate(-3deg) scale(1.04); }
  .logo-text { display: flex; flex-direction: column; line-height: 1.1; }
  .logo-text strong {
    font-size: 20px; font-weight: 800;
    color: var(--navy);
    letter-spacing: -0.02em;
  }
  .logo-text strong em {
    font-style: normal;
    color: var(--red);
  }
  .logo-text small {
    font-size: 11px;
    color: var(--text-mute);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 500;
  }

  nav ul { display: flex; list-style: none; gap: 4px; align-items: center; }
  nav .nav-link {
    color: var(--text); text-decoration: none;
    font-size: 14px; font-weight: 600;
    padding: 10px 14px;
    transition: all 0.2s;
    display: flex; align-items: center; gap: 6px;
    border-radius: 6px;
    position: relative;
  }
  nav .nav-link:hover { color: var(--red); background: rgba(45, 122, 50, 0.05); }
  nav .nav-link .chevron {
    width: 10px; height: 10px;
    transition: transform 0.3s;
    stroke: currentColor; fill: none; stroke-width: 2.5;
  }
  .dropdown { position: relative; }
  .dropdown-menu {
    position: absolute; top: calc(100% + 8px); left: 50%;
    transform: translateX(-50%) translateY(-10px);
    background: var(--bg);
    border: 1px solid var(--border);
    min-width: 640px; padding: 10px;
    border-radius: 12px;
    opacity: 0; visibility: hidden;
    transition: all 0.3s cubic-bezier(0.65, 0, 0.35, 1);
    box-shadow: 0 20px 40px rgba(0,0,0,0.12);
    pointer-events: none;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4px;
  }
  .dropdown-menu::before {
    content: '';
    position: absolute; top: -7px; left: 50%;
    transform: translateX(-50%) rotate(45deg);
    width: 14px; height: 14px;
    background: var(--bg);
    border-left: 1px solid var(--border);
    border-top: 1px solid var(--border);
    z-index: 1;
  }
  /* Invisible hover buffer bridging the 8px gap so dropdown stays open while cursor crosses */
  .dropdown-menu::after {
    content: '';
    position: absolute; top: -10px; left: 0; right: 0;
    height: 10px;
    background: transparent;
  }
  .dropdown:hover .dropdown-menu {
    opacity: 1; visibility: visible;
    transform: translateX(-50%) translateY(0);
    pointer-events: auto;
  }
  .dropdown:hover .nav-link .chevron { transform: rotate(180deg); }
  .dropdown-item {
    display: flex; align-items: flex-start; gap: 12px;
    padding: 12px;
    text-decoration: none; color: var(--text);
    transition: all 0.2s;
    border-radius: 8px;
  }
  .dropdown-item:hover {
    background: var(--bg-alt);
  }
  .dropdown-item:hover .dropdown-icon {
    background: var(--red); color: white;
    transform: scale(1.05);
  }
  .dropdown-icon {
    flex-shrink: 0;
    width: 40px; height: 40px;
    background: linear-gradient(135deg, rgba(45,122,50,0.08) 0%, rgba(163,208,66,0.18) 100%);
    color: var(--red);
    border: 1px solid rgba(45,122,50,0.12);
    border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    transition: all 0.3s;
  }
  .dropdown-icon svg { width: 18px; height: 18px; stroke: currentColor; fill: none; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
  .dropdown-icon svg [fill] { stroke: none; }
  .dropdown-item-text strong { display: block; font-size: 14px; font-weight: 700; margin-bottom: 2px; color: var(--navy); }
  .dropdown-item-text small { display: block; font-size: 12px; color: var(--text-mute); line-height: 1.4; }

  .nav-actions { display: flex; align-items: center; gap: 10px; }
  .nav-icon-btn {
    width: 40px; height: 40px;
    background: var(--bg-alt);
    color: var(--text);
    border: none;
    border-radius: 8px;
    display: flex; align-items: center; justify-content: center;
    transition: all 0.2s;
  }
  .nav-icon-btn:hover { background: var(--red); color: white; }
  .nav-icon-btn svg { width: 16px; height: 16px; stroke: currentColor; fill: none; stroke-width: 2; }

  .header-hotline {
    display: flex; align-items: center; gap: 12px;
    padding: 8px 16px;
    background: linear-gradient(135deg, var(--red) 0%, var(--red-dark) 100%);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s;
    box-shadow: 0 4px 12px rgba(45, 122, 50, 0.25);
  }
  .header-hotline:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(45, 122, 50, 0.4);
  }
  .header-hotline-icon {
    width: 32px; height: 32px;
    background: rgba(255,255,255,0.2);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    animation: ringPhone 2s infinite;
  }
  @keyframes ringPhone {
    0%, 50%, 100% { transform: rotate(0); }
    10%, 30% { transform: rotate(-15deg); }
    20%, 40% { transform: rotate(15deg); }
  }
  .header-hotline-icon svg { width: 14px; height: 14px; stroke: white; fill: none; stroke-width: 2.5; }
  .header-hotline-text { display: flex; flex-direction: column; line-height: 1.1; }
  .header-hotline-text small { font-size: 10px; opacity: 0.9; text-transform: uppercase; letter-spacing: 0.05em; }
  .header-hotline-text strong { font-size: 16px; font-weight: 800; }

  .hamburger {
    display: none; width: 40px; height: 40px;
    background: var(--red);
    border: none;
    border-radius: 8px;
    flex-direction: column; justify-content: center; align-items: center; gap: 4px;
  }
  .hamburger span {
    display: block; width: 18px; height: 2px;
    background: white; transition: all 0.3s;
  }
  .hamburger.active span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
  .hamburger.active span:nth-child(2) { opacity: 0; }
  .hamburger.active span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

  /* ============ HERO ============ */
  .hero {
    position: relative;
    min-height: 640px;
    display: flex; align-items: center;
    overflow: hidden;
    background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 50%, var(--red-dark) 100%);
    color: white;
    padding: 80px 24px;
  }
  .hero::before {
    content: '';
    position: absolute; inset: 0;
    background-image:
      radial-gradient(circle at 20% 50%, rgba(45, 122, 50, 0.4), transparent 50%),
      radial-gradient(circle at 80% 80%, rgba(111, 184, 58, 0.3), transparent 50%);
  }
  .hero::after {
    content: '';
    position: absolute; inset: 0;
    background-image:
      linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
      linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
    background-size: 40px 40px;
    mask-image: radial-gradient(ellipse at center, black, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, black, transparent 70%);
  }
  .hero-grid {
    max-width: 1320px; margin: 0 auto;
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 60px; align-items: center;
    position: relative; z-index: 2;
    width: 100%;
  }
  .hero-badge {
    display: inline-flex; align-items: center; gap: 12px;
    background: linear-gradient(90deg, rgba(194,255,94,0.18), rgba(255,255,255,0.22), rgba(194,255,94,0.18));
    backdrop-filter: blur(12px);
    border: 1.5px solid rgba(194,255,94,0.55);
    padding: 12px 24px;
    border-radius: 100px;
    font-size: 14px; font-weight: 800;
    color: #c2ff5e;
    letter-spacing: 0.1em;
    margin-bottom: 24px;
    opacity: 0;
    text-transform: uppercase;
    animation:
      slideInLeft 0.7s ease forwards 0.1s,
      badgePulse 2s ease-in-out 1s infinite,
      badgeGlow 2s ease-in-out 1s infinite;
    box-shadow:
      0 0 0 1px rgba(194,255,94,0.2),
      0 8px 24px rgba(13,48,21,0.4),
      0 0 32px rgba(194,255,94,0.4);
    position: relative;
    overflow: hidden;
    transform-origin: center;
  }
  /* Sweep highlight bar */
  .hero-badge::before {
    content: '';
    position: absolute;
    top: 0; left: -60%;
    width: 50%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.55), transparent);
    transform: skewX(-20deg);
    animation: badgeSweep 3s ease-in-out 1s infinite;
    pointer-events: none;
  }
  @keyframes badgePulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.03); }
  }
  @keyframes badgeGlow {
    0%, 100% {
      box-shadow:
        0 0 0 1px rgba(194,255,94,0.2),
        0 8px 24px rgba(13,48,21,0.4),
        0 0 32px rgba(194,255,94,0.4);
    }
    50% {
      box-shadow:
        0 0 0 1px rgba(194,255,94,0.4),
        0 8px 24px rgba(13,48,21,0.4),
        0 0 48px rgba(194,255,94,0.8);
    }
  }
  @keyframes badgeSweep {
    0% { left: -60%; }
    60%, 100% { left: 130%; }
  }
  .hero-badge span:not(.dot) {
    color: #c2ff5e;
    text-shadow:
      0 0 8px rgba(194,255,94,0.6),
      0 2px 6px rgba(0,0,0,0.3);
    position: relative;
    z-index: 1;
    font-weight: 800;
  }
  .hero-badge .dot {
    width: 10px; height: 10px;
    background: #c2ff5e;
    border-radius: 50%;
    box-shadow: 0 0 14px #c2ff5e, 0 0 28px rgba(194,255,94,0.8);
    animation: pulseDot 1.4s infinite;
    position: relative;
    z-index: 1;
    flex-shrink: 0;
  }
  .hero-badge .dot::after {
    content: '';
    position: absolute; inset: -5px;
    border-radius: 50%;
    border: 2px solid rgba(194,255,94,0.8);
    animation: pingDot 1.6s ease-out infinite;
  }
  @keyframes pulseDot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.7; transform: scale(1.3); }
  }
  @keyframes pingDot {
    0% { transform: scale(1); opacity: 1; }
    100% { transform: scale(2.4); opacity: 0; }
  }

  .hero h1 {
    font-size: clamp(38px, 5vw, 60px);
    font-weight: 900;
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: 20px;
    text-shadow: 0 2px 20px rgba(0,0,0,0.3);
    opacity: 0;
    animation: slideInLeft 0.7s ease forwards 0.2s;
  }
  .hero h1 span {
    color: var(--yellow);
    position: relative;
    display: inline-block;
  }
  .hero h1 span::after {
    content: '';
    position: absolute; bottom: -4px; left: 0;
    width: 100%; height: 4px;
    background: var(--yellow);
    border-radius: 2px;
    transform: scaleX(0);
    transform-origin: left;
    animation: scaleX 0.8s ease forwards 1s;
  }
  @keyframes scaleX {
    to { transform: scaleX(1); }
  }
  @keyframes slideInLeft {
    from { opacity: 0; transform: translateX(-30px); }
    to { opacity: 1; transform: translateX(0); }
  }
  @keyframes slideInRight {
    from { opacity: 0; transform: translateX(30px); }
    to { opacity: 1; transform: translateX(0); }
  }

  .hero-desc {
    font-size: 18px;
    line-height: 1.6;
    color: rgba(255,255,255,0.9);
    margin-bottom: 32px;
    max-width: 540px;
    opacity: 0;
    animation: slideInLeft 0.7s ease forwards 0.4s;
  }
  .hero-actions {
    display: flex; gap: 14px;
    flex-wrap: wrap;
    margin-bottom: 40px;
    opacity: 0;
    animation: slideInLeft 0.7s ease forwards 0.6s;
  }
  .btn-primary {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
    color: white;
    padding: 16px 32px;
    border: none;
    font-family: 'Be Vietnam Pro';
    font-weight: 700; font-size: 15px;
    border-radius: 8px;
    text-decoration: none;
    display: inline-flex; align-items: center; gap: 10px;
    box-shadow: 0 8px 24px rgba(45, 122, 50, 0.4);
    transition: all 0.3s;
    text-transform: uppercase;
    letter-spacing: 0.02em;
  }
  .btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(244, 161, 42, 0.55);
  }
  .btn-primary svg { width: 16px; height: 16px; stroke: currentColor; fill: none; stroke-width: 2.5; transition: transform 0.3s; }
  .btn-primary:hover svg { transform: translateX(4px); }

  .btn-outline {
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
    color: white;
    padding: 16px 32px;
    border: 2px solid rgba(255,255,255,0.3);
    font-family: 'Be Vietnam Pro';
    font-weight: 700; font-size: 15px;
    border-radius: 8px;
    text-decoration: none;
    display: inline-flex; align-items: center; gap: 10px;
    transition: all 0.3s;
    text-transform: uppercase;
    letter-spacing: 0.02em;
  }
  .btn-outline:hover {
    background: white;
    color: var(--red);
    transform: translateY(-3px);
  }
  .btn-outline svg { width: 16px; height: 16px; stroke: currentColor; fill: none; stroke-width: 2.5; }

  .hero-trust {
    display: flex; gap: 32px;
    flex-wrap: wrap;
    padding-top: 32px;
    border-top: 1px solid rgba(255,255,255,0.15);
    opacity: 0;
    animation: slideInLeft 0.7s ease forwards 0.8s;
  }
  .hero-trust-item {
    display: flex; align-items: center; gap: 12px;
  }
  .hero-trust-icon {
    width: 40px; height: 40px;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    color: var(--yellow);
  }
  .hero-trust-icon svg { width: 20px; height: 20px; stroke: currentColor; fill: none; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
  .hero-trust-icon svg [fill] { stroke: none; }
  .hero-trust-text strong { display: block; font-size: 17px; font-weight: 800; }
  .hero-trust-text small { font-size: 12px; opacity: 0.8; text-transform: uppercase; letter-spacing: 0.05em; }

  /* HERO RIGHT VISUAL */
  .hero-visual {
    position: relative;
    aspect-ratio: 1.1;
    opacity: 0;
    animation: slideInRight 0.8s ease forwards 0.4s;
  }
  .hero-visual-main {
    width: 100%; height: 100%;
    background: linear-gradient(135deg, rgba(255,255,255,0.08) 0%, rgba(255,255,255,0.02) 100%);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: 16px;
    padding: 24px;
  }
  .hero-card {
    background-color: rgba(255,255,255,0.08);
    background-size: cover;
    background-position: center;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.18);
    border-radius: 14px;
    padding: 20px;
    transition: all 0.4s;
    cursor: pointer;
    display: flex; flex-direction: column;
    justify-content: space-between;
    position: relative;
    overflow: hidden;
  }
  .hero-card::before {
    content: '';
    position: absolute; inset: 0;
    background: linear-gradient(135deg, rgba(13,48,21,0.72) 0%, rgba(45,122,50,0.55) 100%);
    transition: opacity 0.4s;
    z-index: 0;
  }
  .hero-card > * { position: relative; z-index: 1; }
  .hero-card:hover {
    transform: translateY(-4px);
    border-color: var(--yellow);
  }
  .hero-card:hover::before {
    opacity: 0.72;
  }
  .hero-card:nth-child(1) { background-image: url('../img/hero/phap-ly.jpg'); }
  .hero-card:nth-child(2) { background-image: url('../img/hero/moi-truong.jpg'); }
  .hero-card:nth-child(3) { background-image: url('../img/hero/pccc.jpg'); }
  .hero-card:nth-child(4) { background-image: url('../img/hero/suat-an.jpg'); }
  .hero-card .icon {
    width: 48px; height: 48px;
    background: linear-gradient(135deg, var(--orange) 0%, var(--yellow) 100%);
    border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 16px;
    box-shadow: 0 4px 12px rgba(163, 208, 66, 0.45);
  }
  /* All hero card icons share the same primary brand gradient for visual consistency */
  .hero-card .icon svg { width: 24px; height: 24px; stroke: white; fill: none; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; color: white; }
  .hero-card .icon svg [fill] { stroke: none; fill: white; }
  .hero-card .num { font-size: 11px; font-weight: 700; opacity: 0.7; letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 4px; }
  .hero-card h4 { font-size: 16px; font-weight: 700; line-height: 1.2; }

  .hero-floating {
    position: absolute;
    bottom: -30px; left: -30px;
    background: var(--bg);
    color: var(--navy);
    padding: 18px 22px;
    border-radius: 14px;
    box-shadow: 0 12px 32px rgba(0,0,0,0.25);
    display: flex; align-items: center; gap: 14px;
    animation: floatCard 3s ease-in-out infinite;
  }
  @keyframes floatCard {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
  }
  .hero-floating-icon {
    width: 44px; height: 44px;
    background: linear-gradient(135deg, var(--green) 0%, #1c5b27 100%);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
  }
  .hero-floating-icon svg { width: 22px; height: 22px; stroke: white; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
  .hero-floating-icon svg [fill] { stroke: none; fill: white; }
  .hero-floating-text strong { display: block; font-size: 15px; font-weight: 800; }
  .hero-floating-text small { display: block; font-size: 12px; color: var(--text-mute); }

  /* ============ MARQUEE ============ */
  .marquee {
    background: var(--red);
    color: white;
    padding: 16px 0;
    overflow: hidden; white-space: nowrap;
    border-bottom: 4px solid var(--red-dark);
    position: relative;
  }
  .marquee::before, .marquee::after {
    content: '';
    position: absolute; top: 0; bottom: 0;
    width: 100px;
    z-index: 2;
    pointer-events: none;
  }
  .marquee::before { left: 0; background: linear-gradient(to right, var(--red), transparent); }
  .marquee::after { right: 0; background: linear-gradient(to left, var(--red), transparent); }
  .marquee-track {
    display: inline-block;
    animation: marquee 30s linear infinite;
    font-size: 16px; font-weight: 700;
  }
  .marquee:hover .marquee-track { animation-play-state: paused; }
  .marquee-track span { margin: 0 24px; display: inline-flex; align-items: center; gap: 16px; }
  .marquee-track svg { width: 16px; height: 16px; stroke: var(--yellow); fill: none; stroke-width: 2.5; }
  @keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
  }

  /* ============ COMMON SECTIONS ============ */
  .container { max-width: 1320px; margin: 0 auto; }
  .section { padding: 80px 24px; }
  .section-tag-row {
    display: flex; align-items: center; gap: 12px;
    margin-bottom: 14px;
    justify-content: center;
  }
  .section-tag-line {
    width: 50px; height: 3px;
    background: var(--red);
    border-radius: 2px;
  }
  .section-tag {
    font-size: 13px;
    color: var(--red);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15em;
  }
  .section-title {
    font-size: clamp(28px, 4vw, 44px);
    font-weight: 900;
    line-height: 1.15;
    letter-spacing: -0.02em;
    color: var(--navy);
    text-align: center;
    margin-bottom: 16px;
  }
  .section-title span { color: var(--red); }
  .section-desc {
    font-size: 16px;
    color: var(--text-soft);
    text-align: center;
    max-width: 720px;
    margin: 0 auto 56px;
    line-height: 1.7;
  }

  /* ============ ABOUT/INTRO ============ */
  .about {
    background: var(--bg);
    position: relative;
  }
  .about-grid {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 60px;
    align-items: center;
  }
  .about-visual {
    position: relative;
  }
  .about-visual-main {
    aspect-ratio: 1.1;
    border-radius: 20px;
    background-image:
      linear-gradient(135deg, rgba(15, 79, 36, 0.78) 0%, rgba(13, 48, 21, 0.85) 100%),
      url('../img/about-handshake.jpg');
    background-size: cover;
    background-position: center;
    position: relative;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(31, 79, 36, 0.2);
  }
  .about-visual-main::before {
    content: '';
    position: absolute; inset: 0;
    background-image:
      radial-gradient(circle at 30% 30%, rgba(45, 122, 50, 0.35), transparent 50%),
      radial-gradient(circle at 70% 70%, rgba(163, 208, 66, 0.18), transparent 50%);
  }
  .about-visual-main svg.bg-icon {
    position: absolute; bottom: -40px; right: -40px;
    width: 60%; height: 60%;
    color: rgba(255,255,255,0.05);
    fill: none; stroke: currentColor; stroke-width: 1;
  }
  .about-visual-content {
    position: absolute; inset: 0;
    padding: 40px;
    display: flex; flex-direction: column; justify-content: space-between;
    color: white;
  }
  .about-visual-tag {
    display: inline-flex; align-items: center; gap: 8px;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    padding: 6px 12px;
    border-radius: 100px;
    font-size: 12px;
    font-weight: 600;
    width: fit-content;
    backdrop-filter: blur(10px);
  }
  .about-visual-tag .dot { width: 6px; height: 6px; background: var(--yellow); border-radius: 50%; }
  .about-visual-content h3 {
    font-size: 32px;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 16px;
  }
  .about-visual-content h3 span { color: var(--yellow); }
  .about-visual-stats {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 16px;
  }
  .about-visual-stat {
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.15);
    padding: 16px;
    border-radius: 12px;
  }
  .about-visual-stat .num { font-size: 28px; font-weight: 900; color: var(--yellow); line-height: 1; }
  .about-visual-stat .lbl { font-size: 12px; opacity: 0.9; margin-top: 4px; }

  .about-experience-badge {
    position: absolute; bottom: -24px; right: -24px;
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
    color: white;
    width: 140px; height: 140px;
    border-radius: 50%;
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    box-shadow: 0 12px 30px rgba(244, 161, 42, 0.45);
    border: 4px solid white;
    animation: pulseBadge 2.5s infinite;
  }
  @keyframes pulseBadge {
    0%, 100% { box-shadow: 0 12px 30px rgba(45, 122, 50, 0.4); }
    50% { box-shadow: 0 12px 40px rgba(45, 122, 50, 0.7); }
  }
  .about-experience-badge .num { font-size: 48px; font-weight: 900; line-height: 1; }
  .about-experience-badge .lbl { font-size: 11px; text-transform: uppercase; font-weight: 700; margin-top: 2px; }

  .about-content .section-tag-row { justify-content: flex-start; margin-bottom: 14px; }
  .about-content .section-title { text-align: left; font-size: clamp(28px, 3.5vw, 40px); margin-bottom: 20px; }
  .about-content > p {
    font-size: 16px;
    color: var(--text-soft);
    line-height: 1.7;
    margin-bottom: 24px;
  }
  .about-checkpoints {
    display: grid; gap: 14px;
    margin-bottom: 32px;
  }
  .about-checkpoint {
    display: flex; align-items: flex-start; gap: 12px;
  }
  .about-checkpoint-icon {
    flex-shrink: 0;
    width: 28px; height: 28px;
    background: linear-gradient(135deg, var(--red) 0%, var(--red-dark) 100%);
    color: white;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
  }
  .about-checkpoint-icon svg { width: 14px; height: 14px; stroke: currentColor; fill: none; stroke-width: 3; }
  .about-checkpoint p {
    font-size: 15px;
    color: var(--text);
    font-weight: 500;
    padding-top: 4px;
  }
  .about-content .btn-primary { display: inline-flex; }

  /* ============ PROBLEM SECTION ============ */
  .problem {
    background: var(--bg-section);
    position: relative;
    overflow: hidden;
  }
  .problem::before {
    content: '';
    position: absolute; top: 0; left: 0; right: 0;
    height: 5px;
    background: linear-gradient(90deg, var(--red), var(--orange), var(--yellow), var(--red));
  }
  .problem-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 16px;
  }
  .problem-card {
    background: white;
    padding: 0;
    border-radius: 14px;
    text-align: center;
    border: 1px solid var(--border);
    transition: all 0.4s cubic-bezier(0.65, 0, 0.35, 1);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
  }
  .problem-card::before {
    content: '';
    position: absolute; top: 0; left: 0; right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--red), var(--orange));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s;
    z-index: 2;
  }
  .problem-card:hover::before { transform: scaleX(1); }
  .problem-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.12);
    border-color: var(--red);
  }
  .problem-image {
    width: 100%;
    aspect-ratio: 16 / 10;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
    transition: transform 0.6s ease;
  }
  .problem-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(0,0,0,0) 55%, rgba(0,0,0,0.35) 100%);
    pointer-events: none;
  }
  .problem-card:hover .problem-image { transform: scale(1.06); }
  .problem-card-body {
    padding: 22px 22px 26px;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }
  .problem-card h4 {
    font-size: 17px;
    font-weight: 800;
    color: var(--navy);
    line-height: 1.3;
    margin-bottom: 10px;
  }
  .problem-card p {
    font-size: 13px;
    color: var(--text-mute);
    line-height: 1.5;
  }

  /* ============ SERVICES (GIẢI PHÁP) ============ */
  .services {
    background: var(--bg);
  }
  .services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }
  .service-card {
    background: white;
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 36px;
    transition: all 0.4s cubic-bezier(0.65, 0, 0.35, 1);
    position: relative;
    overflow: hidden;
    display: flex; gap: 24px;
    align-items: flex-start;
  }
  .service-card::before {
    content: '';
    position: absolute; top: 0; left: 0;
    width: 6px; height: 100%;
    background: var(--red);
    transform: scaleY(0);
    transform-origin: top;
    transition: transform 0.4s;
  }
  .service-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 40px rgba(31, 79, 36, 0.12);
    border-color: var(--red);
  }
  .service-card:hover::before { transform: scaleY(1); }
  .service-card:hover .service-icon-box {
    background: linear-gradient(135deg, var(--red) 0%, var(--red-dark) 100%);
    color: white;
    transform: rotate(-5deg);
  }
  .service-card:hover .service-cta { gap: 12px; color: var(--red); }
  .service-icon-box {
    flex-shrink: 0;
    width: 80px; height: 80px;
    background: linear-gradient(135deg, rgba(45,122,50,0.08) 0%, rgba(163,208,66,0.18) 100%);
    color: var(--red);
    border: 1px solid rgba(45,122,50,0.12);
    border-radius: 18px;
    display: flex; align-items: center; justify-content: center;
    transition: all 0.4s;
    box-shadow: 0 6px 16px rgba(45, 122, 50, 0.08), inset 0 1px 0 rgba(255,255,255,0.5);
  }
  .service-icon-box svg { width: 38px; height: 38px; stroke: currentColor; fill: none; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
  .service-icon-box svg [fill] { stroke: none; }
  .service-content { flex: 1; }
  .service-tag {
    display: inline-block;
    background: rgba(45, 122, 50,0.1);
    color: var(--red);
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 10px;
  }
  .service-content h3 {
    font-size: 22px;
    font-weight: 800;
    color: var(--navy);
    line-height: 1.25;
    margin-bottom: 12px;
  }
  .service-content > p {
    font-size: 14px;
    color: var(--text-soft);
    line-height: 1.6;
    margin-bottom: 18px;
  }
  .service-features {
    list-style: none;
    margin-bottom: 20px;
  }
  .service-features li {
    display: flex; align-items: center; gap: 8px;
    font-size: 13px;
    color: var(--text);
    margin-bottom: 6px;
    font-weight: 500;
  }
  .service-features li::before {
    content: '✓';
    width: 18px; height: 18px;
    background: var(--green);
    color: white;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 11px;
    font-weight: 900;
    flex-shrink: 0;
  }
  .service-cta {
    color: var(--navy);
    text-decoration: none;
    font-size: 14px;
    font-weight: 700;
    display: inline-flex; align-items: center; gap: 8px;
    transition: all 0.3s;
    text-transform: uppercase;
    letter-spacing: 0.03em;
  }
  .service-cta svg { width: 14px; height: 14px; stroke: currentColor; fill: none; stroke-width: 2.5; }

  /* ============ STATS BANNER ============ */
  .stats-banner {
    background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 50%, var(--red-dark) 100%);
    color: white;
    padding: 60px 24px;
    position: relative;
    overflow: hidden;
  }
  .stats-banner::before {
    content: '';
    position: absolute; inset: 0;
    background-image:
      linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
      linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
    background-size: 30px 30px;
  }
  .stats-grid {
    max-width: 1320px; margin: 0 auto;
    display: grid; grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    position: relative; z-index: 1;
  }
  .stat-card {
    text-align: center;
    padding: 0 16px;
    border-right: 1px solid rgba(255,255,255,0.15);
  }
  .stat-card:last-child { border-right: none; }
  .stat-icon {
    width: 60px; height: 60px;
    background: linear-gradient(135deg, rgba(255,255,255,0.08) 0%, rgba(255,255,255,0.16) 100%);
    border: 1px solid rgba(255,255,255,0.22);
    border-radius: 16px;
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 18px;
    color: var(--yellow);
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.15);
  }
  .stat-icon svg { width: 30px; height: 30px; stroke: currentColor; fill: none; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
  .stat-icon svg [fill] { stroke: none; }
  .stat-num {
    font-size: 56px;
    font-weight: 900;
    line-height: 1;
    margin-bottom: 6px;
    color: var(--yellow);
    letter-spacing: -0.02em;
  }
  .stat-label {
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 600;
    opacity: 0.9;
  }

  /* ============ COMMITMENT ============ */
  .commitment {
    background: var(--bg-section);
  }
  .commitment-grid {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 60px; align-items: center;
  }
  .commitment-content .section-tag-row { justify-content: flex-start; margin-bottom: 14px; }
  .commitment-content .section-title { text-align: left; font-size: clamp(28px, 3.5vw, 40px); margin-bottom: 20px; }
  .commitment-content > p {
    font-size: 16px;
    color: var(--text-soft);
    line-height: 1.7;
    margin-bottom: 32px;
  }
  .commitment-list { list-style: none; }
  .commitment-item {
    display: flex; align-items: flex-start; gap: 16px;
    padding: 18px;
    background: white;
    border: 1px solid var(--border);
    border-radius: 12px;
    margin-bottom: 12px;
    transition: all 0.3s;
  }
  .commitment-item:hover {
    transform: translateX(6px);
    border-color: var(--red);
    box-shadow: 0 6px 20px rgba(0,0,0,0.06);
  }
  .commitment-item:hover .commitment-icon { background: var(--red); color: white; }
  .commitment-icon {
    flex-shrink: 0;
    width: 48px; height: 48px;
    background: linear-gradient(135deg, rgba(45,122,50,0.08) 0%, rgba(163,208,66,0.16) 100%);
    color: var(--red);
    border: 1px solid rgba(45,122,50,0.12);
    border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    transition: all 0.3s;
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.6);
  }
  .commitment-icon svg { width: 22px; height: 22px; stroke: currentColor; fill: none; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
  .commitment-icon svg [fill] { stroke: none; }
  .commitment-text {
    flex: 1;
  }
  .commitment-text strong {
    display: block;
    font-size: 15px;
    font-weight: 800;
    color: var(--navy);
    margin-bottom: 4px;
  }
  .commitment-text p {
    font-size: 13px;
    color: var(--text-mute);
    line-height: 1.5;
  }

  .commitment-visual {
    position: relative;
  }
  .commitment-visual-main {
    aspect-ratio: 1;
    background-image:
      linear-gradient(135deg, rgba(28, 91, 39, 0.82) 0%, rgba(45, 122, 50, 0.7) 100%),
      url('../img/commitment-team.jpg');
    background-size: cover;
    background-position: center;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(45, 122, 50, 0.3);
    position: relative;
    overflow: hidden;
    display: flex; align-items: center; justify-content: center;
  }
  .commitment-visual-main::before {
    content: '';
    position: absolute; inset: 0;
    background-image:
      radial-gradient(circle at 70% 30%, rgba(163, 208, 66, 0.28), transparent 50%);
  }
  .commitment-visual-main svg {
    width: 45%; height: 45%;
    color: rgba(255,255,255,0.22);
    fill: none; stroke: currentColor; stroke-width: 1.5;
    position: relative; z-index: 1;
    filter: drop-shadow(0 4px 12px rgba(0,0,0,0.2));
  }
  .commitment-floating {
    position: absolute;
    background: white;
    padding: 16px 20px;
    border-radius: 12px;
    box-shadow: 0 12px 32px rgba(0,0,0,0.15);
    display: flex; align-items: center; gap: 12px;
  }
  .commitment-floating.tl { top: 20px; left: -20px; animation: floatCard 3s ease-in-out infinite; }
  .commitment-floating.br { bottom: 20px; right: -20px; animation: floatCard 3s ease-in-out infinite reverse; }
  .commitment-floating-icon {
    width: 40px; height: 40px;
    background: linear-gradient(135deg, var(--green) 0%, #1c5b27 100%);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
  }
  .commitment-floating.br .commitment-floating-icon { background: linear-gradient(135deg, var(--orange) 0%, #5da930 100%); }
  .commitment-floating-icon svg { width: 18px; height: 18px; stroke: white; fill: none; stroke-width: 2.5; }
  .commitment-floating-text strong { display: block; font-size: 14px; font-weight: 800; color: var(--navy); }
  .commitment-floating-text small { font-size: 11px; color: var(--text-mute); }

  /* ============ PROCESS ============ */
  .process {
    background: var(--bg);
  }
  .process-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-top: 16px;
    counter-reset: step;
  }
  .process-card {
    background: white;
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 32px 28px;
    position: relative;
    overflow: hidden;
    counter-increment: step;
    transition: all 0.4s;
  }
  .process-card::before {
    content: counter(step, decimal-leading-zero);
    position: absolute;
    right: -18px;
    top: -54px;
    font-size: 200px;
    font-weight: 900;
    line-height: 1;
    letter-spacing: -10px;
    color: rgba(45, 122, 50, 0.05);
    pointer-events: none;
    z-index: 0;
    font-family: 'Be Vietnam Pro', sans-serif;
    transition: transform 0.6s cubic-bezier(0.4,0,0.2,1), color 0.4s;
  }
  .process-card:nth-child(even)::before {
    color: rgba(244, 161, 42, 0.08);
  }
  .process-card > * { position: relative; z-index: 1; }
  .process-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.08);
    border-color: var(--red);
  }
  .process-card:hover::before {
    color: rgba(45, 122, 50, 0.14);
    transform: translateY(6px) rotate(-4deg);
  }
  .process-card:nth-child(even):hover::before {
    color: rgba(244, 161, 42, 0.22);
  }
  .process-card:hover .process-num { transform: scale(1.06) rotate(-3deg); }
  .process-num {
    width: 56px; height: 56px;
    background: linear-gradient(135deg, var(--navy) 0%, var(--red) 100%);
    color: white;
    border-radius: 14px;
    display: flex; align-items: center; justify-content: center;
    box-shadow: 0 6px 16px rgba(45,122,50,0.25);
    font-size: 22px; font-weight: 900;
    margin-bottom: 20px;
    transition: all 0.3s;
    position: relative;
  }
  .process-num::after {
    content: '';
    position: absolute; right: -32px; top: 50%;
    transform: translateY(-50%);
    width: 28px; height: 2px;
    border-top: 2px dashed rgba(244, 161, 42, 0.55);
  }
  .process-card:nth-child(3n) .process-num::after,
  .process-card:last-child .process-num::after { display: none; }
  .process-icon {
    width: 52px; height: 52px;
    background: linear-gradient(135deg, rgba(45,122,50,0.08) 0%, rgba(163,208,66,0.18) 100%);
    color: var(--red);
    border: 1px solid rgba(45,122,50,0.12);
    border-radius: 13px;
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 18px;
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.6);
    transition: all 0.4s;
  }
  /* Even cards (02, 04, 06): amber accent for rhythm */
  .process-card:nth-child(even) .process-num {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
    box-shadow: 0 6px 16px rgba(244, 161, 42, 0.30);
  }
  .process-card:nth-child(even) .process-icon {
    background: linear-gradient(135deg, rgba(244,161,42,0.10) 0%, rgba(244,161,42,0.24) 100%);
    color: var(--accent-dark);
    border-color: rgba(244,161,42,0.22);
  }
  .process-card:nth-child(even):hover {
    border-color: var(--accent-dark);
  }
  .process-card:hover .process-icon { transform: scale(1.08); }
  .process-icon svg { width: 24px; height: 24px; stroke: currentColor; fill: none; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
  .process-icon svg [fill] { stroke: none; }
  .process-card h4 {
    font-size: 19px;
    font-weight: 800;
    color: var(--navy);
    margin-bottom: 10px;
  }
  .process-card p {
    font-size: 14px;
    color: var(--text-soft);
    line-height: 1.6;
  }

  /* ============ FORM SECTION ============ */
  .form-section {
    background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 100%);
    color: white;
    position: relative;
    overflow: hidden;
  }
  .form-section::before {
    content: '';
    position: absolute; inset: 0;
    background-image:
      radial-gradient(circle at 10% 50%, rgba(45, 122, 50, 0.3), transparent 50%),
      radial-gradient(circle at 90% 30%, rgba(111, 184, 58, 0.2), transparent 50%);
  }
  .form-section .container {
    position: relative; z-index: 1;
  }
  .form-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: center;
  }
  .form-info .section-tag { color: var(--yellow); }
  .form-info .section-tag-line { background: var(--yellow); }
  .form-info .section-tag-row { justify-content: flex-start; }
  .form-info h2 {
    font-size: clamp(28px, 3.5vw, 40px);
    font-weight: 900;
    line-height: 1.15;
    margin-bottom: 20px;
  }
  .form-info h2 span { color: var(--yellow); }
  .form-info > p {
    font-size: 16px;
    color: rgba(255,255,255,0.85);
    line-height: 1.7;
    margin-bottom: 28px;
  }
  .form-benefits {
    list-style: none;
    margin-bottom: 32px;
  }
  .form-benefits li {
    display: flex; align-items: center; gap: 12px;
    font-size: 14px;
    margin-bottom: 12px;
    color: rgba(255,255,255,0.95);
  }
  .form-benefits li svg {
    width: 20px; height: 20px;
    background: var(--green);
    border-radius: 50%;
    padding: 4px;
    stroke: white;
    fill: none;
    stroke-width: 3;
    flex-shrink: 0;
  }
  .form-hotline {
    display: inline-flex; align-items: center; gap: 14px;
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.2);
    padding: 14px 22px;
    border-radius: 12px;
    text-decoration: none;
    color: white;
    transition: all 0.3s;
  }
  .form-hotline:hover {
    background: var(--yellow);
    color: var(--navy);
    transform: translateY(-3px);
  }
  .form-hotline-icon {
    width: 44px; height: 44px;
    background: var(--red);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    animation: ringPhone 2s infinite;
  }
  .form-hotline:hover .form-hotline-icon { background: var(--navy); }
  .form-hotline-icon svg { width: 18px; height: 18px; stroke: white; fill: none; stroke-width: 2.5; }
  .form-hotline-text small { display: block; font-size: 11px; opacity: 0.8; text-transform: uppercase; letter-spacing: 0.05em; }
  .form-hotline-text strong { font-size: 22px; font-weight: 900; line-height: 1; }

  .form-card {
    background: white;
    color: var(--text);
    padding: 36px;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    position: relative;
  }
  .form-card::before {
    content: '★ MIỄN PHÍ';
    position: absolute; top: -12px; right: 24px;
    background: var(--yellow);
    color: var(--navy);
    font-size: 12px;
    font-weight: 900;
    padding: 6px 14px;
    border-radius: 100px;
    letter-spacing: 0.05em;
    box-shadow: 0 4px 12px rgba(163, 208, 66,0.4);
  }
  .form-card h3 {
    font-size: 24px;
    font-weight: 900;
    color: var(--navy);
    margin-bottom: 8px;
  }
  .form-card > p {
    font-size: 14px;
    color: var(--text-mute);
    margin-bottom: 24px;
  }
  .form-row {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 14px; margin-bottom: 14px;
  }
  .form-group { margin-bottom: 14px; }
  .form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--navy);
    margin-bottom: 6px;
  }
  .form-group label span { color: var(--red); }
  .form-group input, .form-group select, .form-group textarea {
    width: 100%;
    background: var(--bg-alt);
    border: 1.5px solid var(--border);
    padding: 12px 14px;
    color: var(--text);
    font-family: 'Be Vietnam Pro';
    font-size: 14px;
    border-radius: 8px;
    transition: all 0.2s;
  }
  .form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--red);
    background: white;
    box-shadow: 0 0 0 3px rgba(45, 122, 50,0.1);
  }
  .form-group textarea { min-height: 100px; resize: vertical; }
  .form-submit {
    width: 100%;
    background: linear-gradient(135deg, var(--red) 0%, var(--red-light) 100%);
    color: white;
    padding: 16px;
    border: none;
    font-family: 'Be Vietnam Pro';
    font-weight: 800; font-size: 15px;
    border-radius: 8px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    box-shadow: 0 8px 24px rgba(45, 122, 50,0.35);
    transition: all 0.3s;
    margin-top: 8px;
    display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  }
  .form-submit:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(45, 122, 50,0.5);
  }
  .form-submit svg { width: 16px; height: 16px; stroke: currentColor; fill: none; stroke-width: 2.5; }

  /* ============ PROJECTS / NEWS ============ */
  .projects {
    background: var(--bg);
  }
  .projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
  .project-card {
    background: white;
    border: 1px solid var(--border);
    border-radius: 14px;
    overflow: hidden;
    transition: all 0.4s;
    cursor: pointer;
  }
  .project-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
  }
  .project-card:hover .project-img-bg { transform: scale(1.05); }
  .project-card:hover .project-content h4 { color: var(--red); }
  .project-img {
    aspect-ratio: 16/10;
    overflow: hidden;
    position: relative;
  }
  .project-img-bg {
    width: 100%; height: 100%;
    background-color: var(--navy);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    display: flex; align-items: center; justify-content: center;
    transition: transform 0.5s;
    position: relative;
  }
  .project-img-bg::before {
    content: '';
    position: absolute; inset: 0;
    background: linear-gradient(180deg, rgba(13, 48, 21, 0.15) 0%, rgba(13, 48, 21, 0.55) 100%);
    pointer-events: none;
  }
  .project-tag {
    position: absolute; top: 16px; left: 16px;
    background: var(--red);
    color: white;
    padding: 6px 12px;
    border-radius: 100px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    z-index: 2;
  }
  .project-content {
    padding: 24px;
  }
  .project-meta {
    display: flex; align-items: center; gap: 8px;
    color: var(--text-mute);
    font-size: 12px;
    margin-bottom: 10px;
  }
  .project-meta svg { width: 14px; height: 14px; stroke: currentColor; fill: none; stroke-width: 2; }
  .project-content h4 {
    font-size: 17px;
    font-weight: 800;
    color: var(--navy);
    line-height: 1.35;
    margin-bottom: 12px;
    transition: color 0.3s;
  }
  .project-content p {
    font-size: 13px;
    color: var(--text-soft);
    line-height: 1.5;
    margin-bottom: 16px;
  }
  .project-cta {
    color: var(--red);
    font-size: 13px;
    font-weight: 700;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    display: inline-flex; align-items: center; gap: 6px;
  }
  .project-cta svg { width: 14px; height: 14px; stroke: currentColor; fill: none; stroke-width: 2.5; }
  .projects-more {
    text-align: center;
    margin-top: 40px;
  }

  /* ============ PARTNERS ============ */
  .partners {
    background: var(--bg-section);
    padding: 60px 24px;
  }
  .partners-title {
    text-align: center;
    font-size: 14px;
    color: var(--text-mute);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    font-weight: 700;
    margin-bottom: 32px;
  }
  .partners-grid {
    max-width: 1320px; margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 24px;
  }
  .partner-logo {
    flex: 0 0 calc((100% - 24px * 5) / 6);
    aspect-ratio: 2;
    background: white;
    border: 1px solid var(--border);
    border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    transition: all 0.3s;
    padding: 18px 22px;
    overflow: hidden;
  }
  .partner-logo img {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
    filter: grayscale(100%);
    opacity: 0.75;
    transition: filter 0.3s, opacity 0.3s;
  }
  .partner-logo:hover {
    border-color: var(--red);
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.06);
  }
  .partner-logo:hover img {
    filter: grayscale(0%);
    opacity: 1;
  }

  /* ============ TESTIMONIALS ============ */
  .testimonials {
    background: var(--bg);
  }
  .testimonials-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }
  .testimonial-card {
    background: var(--bg-section);
    padding: 36px;
    border-radius: 16px;
    position: relative;
    border: 1px solid var(--border);
    transition: all 0.3s;
  }
  .testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.08);
    background: white;
    border-color: var(--red);
  }
  .testimonial-card::before {
    content: '"';
    position: absolute; top: 16px; right: 28px;
    font-size: 100px;
    line-height: 1;
    font-weight: 900;
    color: var(--red);
    opacity: 0.15;
    font-family: Georgia, serif;
  }
  .testimonial-stars {
    display: flex; gap: 4px;
    color: var(--yellow);
    font-size: 18px;
    margin-bottom: 16px;
  }
  .testimonial-card p {
    font-size: 16px;
    line-height: 1.7;
    color: var(--text);
    font-style: italic;
    margin-bottom: 24px;
    position: relative;
    z-index: 1;
  }
  .testimonial-author {
    display: flex; align-items: center; gap: 14px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
  }
  .testimonial-avatar {
    width: 56px; height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--red) 0%, var(--red-dark) 100%);
    color: white;
    display: flex; align-items: center; justify-content: center;
    font-size: 18px; font-weight: 800;
    box-shadow: 0 4px 12px rgba(45, 122, 50,0.25);
  }
  .testimonial-info strong {
    display: block;
    font-size: 15px;
    font-weight: 800;
    color: var(--navy);
    margin-bottom: 2px;
  }
  .testimonial-info small {
    font-size: 13px;
    color: var(--text-mute);
  }

  /* ============ CTA BANNER ============ */
  .cta-banner {
    padding: 0 24px;
  }
  .cta-banner-inner {
    max-width: 1320px;
    margin: 0 auto;
    background: linear-gradient(135deg, var(--red-dark) 0%, var(--red) 100%);
    color: white;
    border-radius: 20px;
    padding: 60px;
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 40px;
    align-items: center;
    position: relative;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(45, 122, 50,0.3);
  }
  .cta-banner-inner::before {
    content: '';
    position: absolute; right: -100px; top: -100px;
    width: 400px; height: 400px;
    background: radial-gradient(circle, rgba(163, 208, 66,0.3), transparent 70%);
    border-radius: 50%;
  }
  .cta-banner-inner::after {
    content: '';
    position: absolute; right: 40px; bottom: -80px;
    width: 200px; height: 200px;
    border: 30px solid rgba(255,255,255,0.1);
    border-radius: 50%;
  }
  .cta-banner-content {
    position: relative; z-index: 1;
  }
  .cta-banner-tag {
    display: inline-block;
    background: var(--yellow);
    color: var(--navy);
    padding: 6px 14px;
    border-radius: 100px;
    font-size: 12px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 16px;
  }
  .cta-banner-content h2 {
    font-size: clamp(28px, 3.5vw, 40px);
    font-weight: 900;
    line-height: 1.15;
    margin-bottom: 12px;
  }
  .cta-banner-content p {
    font-size: 16px;
    opacity: 0.95;
    line-height: 1.6;
  }
  .cta-banner-actions {
    display: flex; flex-direction: column; gap: 12px;
    position: relative; z-index: 1;
  }
  .cta-banner-btn {
    background: white;
    color: var(--red);
    padding: 18px 28px;
    border-radius: 10px;
    text-decoration: none;
    font-weight: 800;
    font-size: 15px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    text-align: center;
    transition: all 0.3s;
    display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  }
  .cta-banner-btn:hover {
    background: var(--navy);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.2);
  }
  .cta-banner-btn svg { width: 16px; height: 16px; stroke: currentColor; fill: none; stroke-width: 2.5; }
  .cta-banner-btn.secondary {
    background: transparent;
    color: white;
    border: 2px solid rgba(255,255,255,0.4);
  }
  .cta-banner-btn.secondary:hover {
    background: var(--yellow);
    color: var(--navy);
    border-color: var(--yellow);
  }

  /* ============ FOOTER ============ */
  footer {
    background: var(--navy-dark);
    color: rgba(255,255,255,0.85);
    padding: 80px 24px 0;
  }
  .footer-grid {
    max-width: 1320px; margin: 0 auto;
    display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
    gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
  }
  .footer-brand .logo { margin-bottom: 20px; }
  .footer-brand .logo-text strong { color: white; }
  .footer-brand > p { font-size: 14px; line-height: 1.7; margin-bottom: 24px; opacity: 0.8; }
  .footer-contacts {
    display: grid; gap: 14px;
    margin-bottom: 24px;
  }
  .footer-contact {
    display: flex; align-items: flex-start; gap: 12px;
    font-size: 13px;
    line-height: 1.5;
  }
  .footer-contact-icon {
    flex-shrink: 0;
    width: 32px; height: 32px;
    background: rgba(255,255,255,0.08);
    border-radius: 8px;
    display: flex; align-items: center; justify-content: center;
    color: var(--yellow);
  }
  .footer-contact-icon svg { width: 14px; height: 14px; stroke: currentColor; fill: none; stroke-width: 2; }
  .footer-contact strong { display: block; color: white; font-weight: 700; margin-bottom: 2px; }
  .footer-social { display: flex; gap: 10px; }
  .footer-social a {
    width: 36px; height: 36px;
    background: rgba(255,255,255,0.08);
    border-radius: 8px;
    display: flex; align-items: center; justify-content: center;
    color: white;
    transition: all 0.3s;
  }
  .footer-social a:hover { background: var(--red); transform: translateY(-3px); }
  .footer-social svg { width: 14px; height: 14px; fill: currentColor; }

  .footer-col h5 {
    font-size: 14px;
    font-weight: 800;
    color: white;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
  }
  .footer-col h5::after {
    content: '';
    position: absolute; bottom: 0; left: 0;
    width: 36px; height: 3px;
    background: var(--red);
    border-radius: 2px;
  }
  .footer-col ul { list-style: none; }
  .footer-col li {
    margin-bottom: 10px;
    font-size: 13px;
  }
  .footer-col a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    transition: all 0.2s;
    display: inline-flex; align-items: center; gap: 6px;
  }
  .footer-col a::before {
    content: '›';
    color: var(--red);
    font-weight: 700;
    transition: transform 0.2s;
  }
  .footer-col a:hover { color: var(--yellow); }
  .footer-col a:hover::before { transform: translateX(3px); }

  .footer-newsletter p {
    font-size: 13px;
    margin-bottom: 14px;
    opacity: 0.8;
  }
  .footer-newsletter-form {
    display: flex;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: 8px;
    overflow: hidden;
  }
  .footer-newsletter-form input {
    flex: 1;
    background: transparent;
    border: none;
    padding: 12px 14px;
    color: white;
    font-family: 'Be Vietnam Pro';
    font-size: 13px;
  }
  .footer-newsletter-form input::placeholder { color: rgba(255,255,255,0.5); }
  .footer-newsletter-form input:focus { outline: none; }
  .footer-newsletter-form button {
    background: var(--red);
    color: white;
    border: none;
    padding: 0 16px;
    font-family: 'Be Vietnam Pro';
    font-weight: 700;
    font-size: 13px;
    transition: background 0.2s;
  }
  .footer-newsletter-form button:hover { background: var(--red-dark); }

  .footer-bottom {
    max-width: 1320px;
    margin: 0 auto;
    padding: 24px 0;
    display: flex; justify-content: space-between; flex-wrap: wrap;
    gap: 16px;
    font-size: 13px;
    color: rgba(255,255,255,0.5);
  }
  .footer-bottom-links { display: flex; gap: 20px; flex-wrap: wrap; }
  .footer-bottom-links a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s;
  }
  .footer-bottom-links a:hover { color: var(--yellow); }

  /* ============ FAB ============ */
  .fab-container {
    position: fixed; bottom: 24px; right: 24px;
    z-index: 90;
    display: flex; flex-direction: column; gap: 12px;
  }
  .fab {
    width: 56px; height: 56px;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    color: white; text-decoration: none;
    box-shadow: 0 8px 24px rgba(0,0,0,0.2);
    transition: all 0.3s;
    position: relative;
    border: none;
  }
  .fab:hover { transform: scale(1.1); }
  .fab.phone {
    background: linear-gradient(135deg, var(--red) 0%, var(--red-dark) 100%);
  }
  .fab.phone::before {
    content: ''; position: absolute; inset: -4px;
    border-radius: 50%; border: 3px solid var(--red);
    animation: ping 1.5s infinite;
  }
  @keyframes ping {
    0% { transform: scale(1); opacity: 1; }
    100% { transform: scale(1.4); opacity: 0; }
  }
  .fab.zalo { background: linear-gradient(135deg, #0068ff 0%, #0050c8 100%); }
  .fab.messenger { background: linear-gradient(135deg, #00b2ff 0%, #006aff 100%); }
  .fab svg { width: 24px; height: 24px; stroke: currentColor; fill: none; stroke-width: 2; }
  .fab.zalo span { font-weight: 800; font-size: 14px; }

  /* Mobile Menu */
  .mobile-menu {
    position: fixed; top: 0; right: -100%;
    width: 90%; max-width: 380px; height: 100vh;
    background: white;
    box-shadow: -10px 0 40px rgba(0,0,0,0.15);
    padding: 24px;
    transition: right 0.4s cubic-bezier(0.65, 0, 0.35, 1);
    z-index: 99;
    overflow-y: auto;
  }
  .mobile-menu.active { right: 0; }
  .mobile-menu-header {
    display: flex; justify-content: space-between; align-items: center;
    margin-bottom: 24px; padding-bottom: 20px;
    border-bottom: 1px solid var(--border);
  }
  .mobile-menu ul { list-style: none; }
  .mobile-menu li { border-bottom: 1px solid var(--border); }
  .mobile-menu a {
    display: block; padding: 16px 0;
    color: var(--text); text-decoration: none;
    font-size: 16px; font-weight: 600;
    transition: color 0.2s;
  }
  .mobile-menu a:hover { color: var(--red); }
  .mobile-menu-cta {
    margin-top: 24px;
  }
  .mobile-overlay {
    position: fixed; inset: 0;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(4px);
    opacity: 0; visibility: hidden;
    transition: all 0.3s;
    z-index: 98;
  }
  .mobile-overlay.active { opacity: 1; visibility: visible; }

  .reveal {
    opacity: 0; transform: translateY(40px);
    transition: all 0.8s cubic-bezier(0.65, 0, 0.35, 1);
  }
  .reveal.visible { opacity: 1; transform: translateY(0); }

  /* RESPONSIVE */
  @media (max-width: 1100px) {
    .hero-grid, .about-grid, .commitment-grid, .form-grid {
      grid-template-columns: 1fr; gap: 40px;
    }
    .hero-floating { left: 50%; transform: translateX(-50%); bottom: -50px; }
    .commitment-floating.tl { left: 0; }
    .commitment-floating.br { right: 0; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .partners-grid .partner-logo { flex: 0 0 calc((100% - 24px * 3) / 4); }
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 32px; }
    .stat-card { border-right: none; }
    .process-grid, .projects-grid, .testimonials-grid, .services-grid {
      grid-template-columns: 1fr 1fr;
    }
    .problem-grid { grid-template-columns: 1fr 1fr; }
  }
  @media (max-width: 760px) {
    nav, .nav-actions .nav-icon-btn, .nav-actions .header-hotline { display: none; }
    .hamburger { display: flex; }
    .topbar-right { display: none; }
    .hero-visual-main { padding: 16px; gap: 12px; }
    .hero-card { padding: 14px; }
    .hero-card .icon { width: 36px; height: 36px; margin-bottom: 8px; }
    .hero-card h4 { font-size: 13px; }
    .services-grid, .process-grid, .projects-grid, .testimonials-grid,
    .problem-grid, .form-row, .cta-banner-inner, .footer-grid {
      grid-template-columns: 1fr !important;
    }
    .partners-grid .partner-logo { flex: 0 0 calc((100% - 24px * 2) / 3); }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .service-card { flex-direction: column; padding: 28px; gap: 16px; }
    .form-card, .cta-banner-inner { padding: 32px 24px; }
    .process-num::after { display: none; }
    .about-experience-badge { width: 100px; height: 100px; right: 0; }
    .about-experience-badge .num { font-size: 32px; }
    .section { padding: 60px 24px; }
  }

  /* ============ PAGE BANNER (sub pages) ============ */
  .page-banner {
    background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 50%, var(--red-dark) 100%);
    color: white;
    padding: 80px 24px 70px;
    position: relative;
    overflow: hidden;
  }
  .page-banner::before {
    content: '';
    position: absolute; inset: 0;
    background-image:
      radial-gradient(circle at 20% 50%, rgba(45, 122, 50, 0.4), transparent 50%),
      radial-gradient(circle at 80% 80%, rgba(111, 184, 58, 0.3), transparent 50%);
  }
  .page-banner::after {
    content: '';
    position: absolute; inset: 0;
    background-image:
      linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
      linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
    background-size: 40px 40px;
    mask-image: radial-gradient(ellipse at center, black, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, black, transparent 70%);
  }
  .page-banner-inner {
    max-width: 1320px; margin: 0 auto;
    position: relative; z-index: 1;
    text-align: center;
  }
  .page-banner h1 {
    font-size: clamp(30px, 4.2vw, 48px);
    font-weight: 900;
    line-height: 1.15;
    text-shadow: 0 2px 16px rgba(0,0,0,0.35);
    letter-spacing: -0.02em;
    margin-bottom: 14px;
  }
  .page-banner h1 span {
    color: #c2ff5e;
    text-shadow: 0 2px 12px rgba(0,0,0,0.45), 0 0 28px rgba(194, 255, 94, 0.55);
  }
  .page-banner-desc {
    font-size: 16px;
    opacity: 0.9;
    max-width: 720px;
    margin: 0 auto 22px;
    line-height: 1.6;
  }
  .breadcrumb {
    display: inline-flex;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.18);
    padding: 8px 18px;
    border-radius: 100px;
    font-size: 13px;
    align-items: center;
    gap: 10px;
    backdrop-filter: blur(10px);
    font-weight: 500;
  }
  .breadcrumb a { color: rgba(255,255,255,0.8); text-decoration: none; transition: color 0.2s; }
  .breadcrumb a:hover { color: var(--yellow); }
  .breadcrumb .sep { opacity: 0.4; }
  .breadcrumb .current { color: var(--yellow); font-weight: 600; }
  .breadcrumb svg { width: 14px; height: 14px; stroke: currentColor; fill: none; stroke-width: 2; }

  /* Active nav item */
  nav .nav-link.active {
    color: var(--red);
    background: rgba(45, 122, 50, 0.08);
  }
  nav .nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 2px; left: 14px; right: 14px;
    height: 2px;
    background: var(--red);
    border-radius: 1px;
  }
  .mobile-menu a.active { color: var(--red); }

  /* News page */
  .news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
  }
  .news-card {
    background: white;
    border: 1px solid var(--border);
    border-radius: 14px;
    overflow: hidden;
    transition: all 0.4s;
    text-decoration: none;
    color: inherit;
    display: flex; flex-direction: column;
  }
  .news-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
  }
  .news-card:hover h4 { color: var(--red); }
  .news-card:hover .news-img-bg { transform: scale(1.05); }
  .news-img {
    aspect-ratio: 16/10;
    overflow: hidden;
    position: relative;
  }
  .news-img-bg {
    width: 100%; height: 100%;
    background-color: var(--navy);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    display: flex; align-items: center; justify-content: center;
    transition: transform 0.5s;
    position: relative;
  }
  .news-img-bg::before {
    content: '';
    position: absolute; inset: 0;
    background: linear-gradient(180deg, rgba(13, 48, 21, 0.10) 0%, rgba(13, 48, 21, 0.45) 100%);
    pointer-events: none;
  }
  .news-cat {
    position: absolute; top: 14px; left: 14px;
    background: var(--red); color: white;
    padding: 5px 12px; border-radius: 100px;
    font-size: 11px; font-weight: 700;
    text-transform: uppercase; letter-spacing: 0.05em;
    z-index: 2;
  }
  .news-content { padding: 22px; flex: 1; display: flex; flex-direction: column; }
  .news-meta {
    display: flex; align-items: center; gap: 14px;
    font-size: 12px; color: var(--text-mute);
    margin-bottom: 10px;
  }
  .news-meta span { display: inline-flex; align-items: center; gap: 6px; }
  .news-meta svg { width: 12px; height: 12px; stroke: currentColor; fill: none; stroke-width: 2; }
  .news-card h4 {
    font-size: 17px; font-weight: 800;
    color: var(--navy); line-height: 1.35;
    margin-bottom: 10px;
    transition: color 0.3s;
  }
  .news-card p {
    font-size: 13px; color: var(--text-soft);
    line-height: 1.55;
    margin-bottom: 14px;
    flex: 1;
  }
  .news-cta {
    color: var(--red);
    font-size: 13px; font-weight: 700;
    text-transform: uppercase; letter-spacing: 0.03em;
    display: inline-flex; align-items: center; gap: 6px;
  }
  .news-cta svg { width: 14px; height: 14px; stroke: currentColor; fill: none; stroke-width: 2.5; }

  /* Contact page */
  .contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-bottom: 50px;
  }
  .contact-card {
    background: white;
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 32px;
    text-align: center;
    transition: all 0.3s;
  }
  .contact-card:hover {
    transform: translateY(-4px);
    border-color: var(--red);
    box-shadow: 0 12px 30px rgba(0,0,0,0.08);
  }
  .contact-card-icon {
    width: 64px; height: 64px;
    background: linear-gradient(135deg, var(--red) 0%, var(--red-dark) 100%);
    color: white;
    border-radius: 16px;
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 18px;
    box-shadow: 0 6px 18px rgba(45, 122, 50,0.25);
  }
  .contact-card-icon svg { width: 28px; height: 28px; stroke: currentColor; fill: none; stroke-width: 2; }
  .contact-card h3 {
    font-size: 18px; font-weight: 800;
    color: var(--navy); margin-bottom: 14px;
  }
  .contact-card p {
    font-size: 14px; color: var(--text-soft);
    line-height: 1.6; margin-bottom: 6px;
  }
  .contact-card a { color: var(--red); font-weight: 700; text-decoration: none; }
  .contact-card a:hover { text-decoration: underline; }
  .contact-map {
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--border);
    aspect-ratio: 21/9;
  }
  .contact-map iframe {
    width: 100%; height: 100%; border: 0;
  }

  /* ============ SERVICES MINI GRID (8 services on homepage) ============ */
  .services-mini-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
    margin-bottom: 40px;
  }
  .svc-mini-card {
    background: white;
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 0;
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.65, 0, 0.35, 1);
    display: flex; flex-direction: column;
    position: relative;
    overflow: hidden;
  }
  .svc-mini-card::before {
    content: '';
    position: absolute; top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--red), var(--yellow));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s;
  }
  .svc-mini-card:hover::before { transform: scaleX(1); }
  .svc-mini-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(45,122,50,0.12);
    border-color: var(--red);
  }
  .svc-mini-card:hover .svc-mini-icon {
    background: linear-gradient(135deg, var(--red) 0%, var(--red-dark) 100%);
    color: white;
    transform: rotate(-5deg) scale(1.05);
  }
  .svc-mini-card:hover h4 { color: var(--red); }
  .svc-mini-card:hover .svc-mini-img { transform: scale(1.06); }
  .svc-mini-img {
    width: 100%;
    aspect-ratio: 16 / 10;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-color: var(--navy);
    position: relative;
    transition: transform 0.5s cubic-bezier(0.4,0,0.2,1);
  }
  .svc-mini-img::after {
    content: '';
    position: absolute; inset: 0;
    background: linear-gradient(180deg, transparent 45%, rgba(13,48,21,0.4) 100%);
    pointer-events: none;
  }
  .svc-mini-body {
    padding: 0 22px 26px;
    text-align: center;
    display: flex;
    flex-direction: column;
    flex: 1;
  }
  .svc-mini-num {
    font-size: 11px; font-weight: 800;
    color: var(--text-mute);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: 10px;
  }
  .svc-mini-icon {
    width: 58px; height: 58px;
    background: white;
    color: var(--red);
    border: 1px solid var(--border);
    border-radius: 15px;
    transition: all 0.4s;
    display: flex; align-items: center; justify-content: center;
    margin: -29px auto 14px;
    position: relative;
    z-index: 2;
    box-shadow: 0 8px 20px rgba(0,0,0,0.10);
  }
  .svc-mini-icon svg { width: 26px; height: 26px; stroke: currentColor; fill: none; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
  .svc-mini-icon svg [fill] { stroke: none; }
  .svc-mini-card h4 {
    font-size: 16px; font-weight: 800;
    color: var(--navy);
    line-height: 1.3;
    margin-bottom: 8px;
    transition: color 0.3s;
  }
  .svc-mini-card p {
    font-size: 13px; color: var(--text-soft);
    line-height: 1.5;
    flex: 1;
  }
  /* Alternating amber rhythm for service mini cards (every 2nd & 3rd of group of 4) */
  .svc-mini-card:nth-child(4n+2) .svc-mini-icon,
  .svc-mini-card:nth-child(4n+3) .svc-mini-icon {
    background: linear-gradient(135deg, rgba(244,161,42,0.10) 0%, rgba(244,161,42,0.24) 100%);
    color: var(--accent-dark);
    border-color: rgba(244,161,42,0.22);
  }
  .svc-mini-card:nth-child(4n+2):hover .svc-mini-icon,
  .svc-mini-card:nth-child(4n+3):hover .svc-mini-icon {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
    color: white;
  }
  .svc-mini-card:nth-child(4n+2):hover,
  .svc-mini-card:nth-child(4n+3):hover {
    border-color: var(--accent-dark);
    box-shadow: 0 20px 40px rgba(244,161,42,0.15);
  }
  .svc-mini-card:nth-child(4n+2):hover h4,
  .svc-mini-card:nth-child(4n+3):hover h4 { color: var(--accent-dark); }

  @media (max-width: 1100px) {
    .news-grid { grid-template-columns: 1fr 1fr; }
    .contact-grid { grid-template-columns: 1fr 1fr; }
    .services-mini-grid { grid-template-columns: repeat(2, 1fr); }
  }
  @media (max-width: 760px) {
    .news-grid, .contact-grid { grid-template-columns: 1fr !important; }
    .services-mini-grid { grid-template-columns: 1fr 1fr !important; gap: 16px; }
    .svc-mini-body { padding: 0 16px 20px; }
    .page-banner { padding: 60px 24px 50px; }
  }

  /* Vision/Mission/Values blocks (gioi-thieu page) */
  .vm-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px;
    margin-bottom: 60px;
  }
  .vm-card {
    background: white;
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 36px;
    position: relative;
    overflow: hidden;
    transition: all 0.4s;
  }
  .vm-card::before {
    content: '';
    position: absolute; top: 0; left: 0; bottom: 0;
    width: 5px;
    background: linear-gradient(180deg, var(--red), var(--yellow));
  }
  .vm-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 36px rgba(45,122,50,0.1);
    border-color: var(--red);
  }
  .vm-icon {
    width: 56px; height: 56px;
    background: linear-gradient(135deg, var(--red) 0%, var(--red-dark) 100%);
    color: white;
    border-radius: 14px;
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 20px;
    box-shadow: 0 6px 16px rgba(45,122,50,0.25);
  }
  .vm-icon svg { width: 26px; height: 26px; stroke: currentColor; fill: none; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
  .vm-icon svg [fill] { stroke: none; fill: white; }
  .vm-card h3 {
    font-size: 22px; font-weight: 900;
    color: var(--navy);
    margin-bottom: 14px;
  }
  .vm-card p {
    font-size: 15px; color: var(--text-soft);
    line-height: 1.7;
  }

  /* Triết lý quote box */
  .philosophy-box {
    background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 50%, var(--red-dark) 100%);
    color: white;
    border-radius: 22px;
    padding: 60px 48px;
    text-align: center;
    margin-bottom: 60px;
    position: relative;
    overflow: hidden;
    border: 1.5px solid rgba(194,255,94,0.25);
    box-shadow:
      0 20px 60px rgba(13,48,21,0.4),
      0 0 60px rgba(194,255,94,0.15),
      inset 0 1px 0 rgba(255,255,255,0.05);
    animation: philosophyGlow 4s ease-in-out infinite;
  }
  @keyframes philosophyGlow {
    0%, 100% {
      box-shadow:
        0 20px 60px rgba(13,48,21,0.4),
        0 0 60px rgba(194,255,94,0.15),
        inset 0 1px 0 rgba(255,255,255,0.05);
    }
    50% {
      box-shadow:
        0 20px 60px rgba(13,48,21,0.4),
        0 0 100px rgba(194,255,94,0.35),
        inset 0 1px 0 rgba(255,255,255,0.05);
    }
  }
  /* Big quotation mark — rotating + pulsing */
  .philosophy-box::before {
    content: '\201C';
    position: absolute; top: 10px; left: 40px;
    font-size: 220px;
    line-height: 1;
    font-weight: 900;
    color: #c2ff5e;
    opacity: 0.2;
    font-family: Georgia, serif;
    animation: quoteFloat 5s ease-in-out infinite;
    text-shadow: 0 0 40px rgba(194,255,94,0.5);
  }
  @keyframes quoteFloat {
    0%, 100% { transform: rotate(-3deg) scale(1); opacity: 0.18; }
    50% { transform: rotate(3deg) scale(1.05); opacity: 0.28; }
  }
  /* Animated background — radial gradients shifting */
  .philosophy-box::after {
    content: '';
    position: absolute; inset: -50%;
    background-image:
      radial-gradient(circle at 20% 50%, rgba(194,255,94,0.22), transparent 30%),
      radial-gradient(circle at 80% 80%, rgba(111,184,58,0.18), transparent 30%),
      radial-gradient(circle at 50% 30%, rgba(163,208,66,0.14), transparent 35%);
    pointer-events: none;
    animation: bgRotate 18s linear infinite;
  }
  @keyframes bgRotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
  }
  /* Sweep highlight bar */
  .philosophy-box .philosophy-quote::before {
    content: '';
    position: absolute;
    top: -20px; bottom: -20px; left: -100%;
    width: 60%;
    background: linear-gradient(90deg, transparent, rgba(194,255,94,0.12), transparent);
    transform: skewX(-20deg);
    animation: phSweep 5s ease-in-out 1s infinite;
    pointer-events: none;
    z-index: 0;
  }
  @keyframes phSweep {
    0% { left: -100%; }
    60%, 100% { left: 200%; }
  }

  .philosophy-tag {
    display: inline-flex; align-items: center; gap: 8px;
    background: linear-gradient(90deg, rgba(194,255,94,0.15), rgba(255,255,255,0.18), rgba(194,255,94,0.15));
    border: 1.5px solid rgba(194,255,94,0.5);
    padding: 8px 18px;
    border-radius: 100px;
    font-size: 12px; font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    margin-bottom: 26px;
    backdrop-filter: blur(10px);
    position: relative;
    z-index: 1;
    color: #c2ff5e;
    box-shadow: 0 0 24px rgba(194,255,94,0.3);
    animation: tagPulse 2.5s ease-in-out infinite;
  }
  @keyframes tagPulse {
    0%, 100% {
      box-shadow: 0 0 24px rgba(194,255,94,0.25);
      transform: scale(1);
    }
    50% {
      box-shadow: 0 0 36px rgba(194,255,94,0.55);
      transform: scale(1.04);
    }
  }
  .philosophy-quote {
    font-size: clamp(22px, 3vw, 34px);
    font-weight: 800;
    line-height: 1.45;
    max-width: 880px;
    margin: 0 auto 22px;
    font-style: italic;
    position: relative;
    z-index: 1;
    text-shadow: 0 2px 12px rgba(0,0,0,0.3);
  }
  .philosophy-quote span {
    color: #c2ff5e;
    font-style: italic;
    position: relative;
    display: inline-block;
    background: linear-gradient(90deg, #c2ff5e 0%, #ffffff 50%, #c2ff5e 100%);
    background-size: 200% 100%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
    animation: quoteShimmer 3s ease-in-out infinite;
    text-shadow: none;
    filter: drop-shadow(0 0 16px rgba(194,255,94,0.5));
  }
  @keyframes quoteShimmer {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
  }
  .philosophy-slogan {
    display: inline-block;
    font-size: 14px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.28em;
    color: #c2ff5e;
    position: relative;
    z-index: 1;
    padding: 0 12px;
    text-shadow: 0 0 12px rgba(194,255,94,0.55), 0 2px 6px rgba(0,0,0,0.3);
    animation: sloganBreath 2.5s ease-in-out infinite;
  }
  @keyframes sloganBreath {
    0%, 100% { opacity: 0.85; }
    50% { opacity: 1; }
  }

  /* Core values 4-grid */
  .values-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
    margin-bottom: 60px;
  }
  .value-card {
    background: white;
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 28px;
    transition: all 0.4s;
    position: relative;
    overflow: hidden;
  }
  .value-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 36px rgba(45,122,50,0.12);
    border-color: var(--red);
  }
  .value-card:hover .value-num {
    background: var(--red);
    color: white;
    transform: scale(1.05);
  }
  .value-num {
    width: 44px; height: 44px;
    background: linear-gradient(135deg, rgba(45,122,50,0.08) 0%, rgba(163,208,66,0.18) 100%);
    color: var(--red);
    border: 1px solid rgba(45,122,50,0.15);
    border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    font-size: 17px; font-weight: 900;
    margin-bottom: 18px;
    transition: all 0.3s;
  }
  .value-card h4 {
    font-size: 18px; font-weight: 800;
    color: var(--navy);
    margin-bottom: 10px;
    line-height: 1.3;
  }
  .value-card p {
    font-size: 14px; color: var(--text-soft);
    line-height: 1.6;
  }

  /* Legal info card */
  .legal-info {
    background: var(--bg-section);
    border-radius: 18px;
    padding: 36px;
    border: 1px solid var(--border);
  }
  .legal-info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }
  .legal-info-item strong {
    display: block;
    font-size: 12px; font-weight: 700;
    color: var(--text-mute);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 6px;
  }
  .legal-info-item span {
    font-size: 16px; font-weight: 700;
    color: var(--navy);
    line-height: 1.5;
  }

  @media (max-width: 1100px) {
    .vm-grid { grid-template-columns: 1fr; }
    .values-grid { grid-template-columns: repeat(2, 1fr); }
    .legal-info-grid { grid-template-columns: 1fr; }
  }
  @media (max-width: 760px) {
    .values-grid { grid-template-columns: 1fr !important; }
    .philosophy-box { padding: 40px 24px; }
    .vm-card { padding: 28px 24px; }
    .legal-info { padding: 28px 24px; }
  }

  /* ============ POLISH PASS — refined micro-interactions ============ */

  /* Stat card: subtle lift + icon pulse on hover */
  .stat-card {
    transition: transform 0.4s cubic-bezier(0.65, 0, 0.35, 1);
    cursor: default;
  }
  .stat-card:hover { transform: translateY(-6px); }
  .stat-card:hover .stat-icon {
    background: linear-gradient(135deg, rgba(194,255,94,0.2) 0%, rgba(255,255,255,0.25) 100%);
    border-color: rgba(194,255,94,0.5);
    transform: scale(1.06);
  }
  .stat-icon { transition: all 0.3s; }
  .stat-num { transition: color 0.3s, transform 0.3s; }
  .stat-card:hover .stat-num { transform: scale(1.04); }

  /* Testimonial: refine hover - bigger lift + colored quote */
  .testimonial-card { cursor: default; }
  .testimonial-card:hover { transform: translateY(-6px); }
  .testimonial-card::before { transition: all 0.4s; }
  .testimonial-card:hover::before {
    color: var(--red);
    opacity: 0.25;
    transform: scale(1.1);
  }
  .testimonial-avatar { transition: transform 0.3s, box-shadow 0.3s; }
  .testimonial-card:hover .testimonial-avatar {
    transform: scale(1.05) rotate(-3deg);
    box-shadow: 0 8px 20px rgba(45, 122, 50, 0.4);
  }

  /* Project card: image zoom + overlay on hover */
  .project-card { cursor: pointer; }
  .project-img-bg {
    transition: transform 0.7s cubic-bezier(0.65, 0, 0.35, 1) !important;
  }
  .project-card:hover .project-img-bg { transform: scale(1.08) !important; }
  .project-img::after {
    content: '';
    position: absolute; inset: 0;
    background: linear-gradient(180deg, transparent 50%, rgba(13, 48, 21, 0.4) 100%);
    opacity: 0;
    transition: opacity 0.4s;
    pointer-events: none;
  }
  .project-card:hover .project-img::after { opacity: 1; }

  /* News card: same treatment as project */
  .news-img-bg { transition: transform 0.7s cubic-bezier(0.65, 0, 0.35, 1) !important; }
  .news-card:hover .news-img-bg { transform: scale(1.08) !important; }

  /* Form inputs: smoother focus with green ring */
  .form-group input,
  .form-group select,
  .form-group textarea,
  .footer-newsletter-form input {
    transition: border-color 0.25s, box-shadow 0.25s, background 0.25s !important;
  }
  .form-group input:hover:not(:focus),
  .form-group select:hover:not(:focus),
  .form-group textarea:hover:not(:focus) {
    border-color: rgba(45, 122, 50, 0.4);
  }

  /* Mini service card: refined icon transition */
  .svc-mini-card { transition: all 0.4s cubic-bezier(0.65, 0, 0.35, 1); }
  .svc-mini-icon { transition: all 0.4s cubic-bezier(0.65, 0, 0.35, 1); }

  /* Hero card: enhance hover with glow + icon scale */
  .hero-card .icon { transition: transform 0.4s, box-shadow 0.4s; }
  .hero-card:hover .icon {
    transform: scale(1.08) rotate(-4deg);
    box-shadow: 0 8px 22px rgba(163, 208, 66, 0.6);
  }

  /* Smooth scroll behavior across the site */
  html { scroll-behavior: smooth; }

  /* Selection color in green theme */
  ::selection { background: var(--red); color: white; }
  ::-moz-selection { background: var(--red); color: white; }

  /* Refined section-tag — add subtle bounce on reveal */
  .section-tag {
    transition: letter-spacing 0.4s;
  }
  .section-tag-row:hover .section-tag { letter-spacing: 0.18em; }

  /* About checkpoint: refined animation */
  .about-checkpoint { transition: transform 0.3s; }
  .about-checkpoint:hover { transform: translateX(6px); }
  .about-checkpoint:hover .about-checkpoint-icon {
    transform: scale(1.1) rotate(-8deg);
  }
  .about-checkpoint-icon { transition: transform 0.3s; }

  /* Form benefit list — checkmark pulse on hover */
  .form-benefits li { transition: transform 0.3s; }
  .form-benefits li:hover { transform: translateX(4px); }
  .form-benefits li svg { transition: transform 0.3s, box-shadow 0.3s; }
  .form-benefits li:hover svg {
    transform: scale(1.15);
    box-shadow: 0 0 12px rgba(45, 122, 50, 0.5);
  }

  /* Service tag (small badge) — subtle shimmer effect when card is hovered */
  .service-card:hover .service-tag {
    background: linear-gradient(90deg, rgba(45,122,50,0.2), rgba(163,208,66,0.18));
  }
  .service-tag { transition: background 0.3s; }

  /* Process card num: connector dashes — make them lime green for visual lift */
  .process-num::after {
    transition: border-color 0.4s;
  }
  .process-card:hover ~ .process-card .process-num::after,
  .process-card:hover .process-num::after {
    border-top-color: rgba(244, 161, 42, 0.85) !important;
  }

  /* CTA banner button — subtle scale on focus */
  .cta-banner-btn { transition: all 0.3s; }
  .cta-banner-btn:focus-visible {
    outline: 3px solid var(--yellow);
    outline-offset: 3px;
  }

  /* Footer social links — refined hover */
  .footer-social a { transition: all 0.3s cubic-bezier(0.65, 0, 0.35, 1); }
  .footer-social a:hover { transform: translateY(-4px) rotate(-5deg); }

  /* Topbar social — same treatment */
  .topbar-social a { transition: all 0.25s; }
  .topbar-social a:hover { transform: scale(1.15) rotate(-5deg); }

  /* FAB hover — more refined */
  .fab { transition: transform 0.3s cubic-bezier(0.65, 0, 0.35, 1) !important; }
  .fab:hover { transform: scale(1.12) translateY(-2px); }

  /* Mobile nav burger smoother */
  .hamburger { transition: background 0.3s; }
  .hamburger:hover { background: var(--red-dark); }

  /* Logo on hover — slight scale */
  .logo { transition: transform 0.3s; }
  .logo:hover { transform: scale(1.02); }

  /* Reveal animation: tightened for snappier feel */
  .reveal {
    transition: opacity 0.7s cubic-bezier(0.65, 0, 0.35, 1),
                transform 0.7s cubic-bezier(0.65, 0, 0.35, 1);
  }

  /* Improved focus visibility for accessibility (keyboard nav) */
  a:focus-visible,
  button:focus-visible {
    outline: 2px solid var(--yellow);
    outline-offset: 3px;
    border-radius: 4px;
  }
  .btn-primary:focus-visible,
  .btn-outline:focus-visible {
    outline: 3px solid var(--yellow);
    outline-offset: 3px;
  }