:root {
      --primary: #18cb96;
      --primary-dark: #0fa87a;
      --secondary: #0097b2;
      --secondary-dark: #007a91;
      --dark: #0a2e36;
      --text: #1A1A2E;
      --text-muted: #5a5a72;
      --bg: #F7F9FC;
      --bg-white: #ffffff;
      --border: #e8eef3;
      --shadow: 0 10px 40px rgba(0, 151, 178, 0.08);
      --shadow-lg: 0 20px 60px rgba(0, 151, 178, 0.12);
      --radius: 20px;
      --radius-sm: 12px;
      --max-w: 1200px;
      --gradient: linear-gradient(135deg, #18cb96 0%, #0097b2 100%);
      --gradient-soft: linear-gradient(135deg, rgba(24,203,150,0.12) 0%, rgba(0,151,178,0.12) 100%);
    }

    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: 'Be Vietnam Pro', system-ui, -apple-system, sans-serif;
      background: var(--bg);
      color: var(--text);
      line-height: 1.6;
      overflow-x: hidden;
    }

    img { max-width: 100%; height: auto; display: block; }
    a { text-decoration: none; color: inherit; }
    ul { list-style: none; }
    button, input, select, textarea { font-family: inherit; }

    .container {
      width: 100%;
      max-width: var(--max-w);
      margin: 0 auto;
      padding: 0 24px;
    }

    /* ========== HEADER ========== */
    .header {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 99999;
      background: rgba(255,255,255,0.97);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border-bottom: 1px solid rgba(0,0,0,0.06);
      transition: top 0.25s ease, box-shadow 0.3s ease, background 0.3s ease;
    }

    .header.scrolled {
      background: rgba(255,255,255,0.98);
      box-shadow: 0 4px 30px rgba(0,0,0,0.08);
    }

    .nav {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }

    .logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-weight: 800;
      font-size: 1.35rem;
      color: var(--dark);
    }

    .logo-icon {
      width: 36px;
      height: 36px;
      background: var(--gradient);
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: white;
      font-weight: 800;
      font-size: 0.9rem;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 32px;
    }

    .nav-links a {
      font-size: 0.95rem;
      font-weight: 500;
      color: var(--text-muted);
      transition: color 0.2s;
    }

    .nav-links a:hover {
      color: var(--primary);
    }

    .nav-cta {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: var(--gradient);
      color: white !important;
      padding: 10px 20px;
      border-radius: 50px;
      font-weight: 600;
      font-size: 0.9rem;
      transition: transform 0.2s, box-shadow 0.2s;
    }

    .nav-cta:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 25px rgba(24,203,150,0.35);
    }

    .menu-toggle {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      width: 40px;
      height: 40px;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 5px;
    }

    .menu-toggle span {
      display: block;
      width: 22px;
      height: 2px;
      background: var(--text);
      border-radius: 2px;
      transition: 0.3s;
    }

    /* ========== BUTTONS ========== */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 14px 28px;
      border-radius: 50px;
      font-weight: 600;
      font-size: 1rem;
      border: none;
      cursor: pointer;
      transition: all 0.25s ease;
    }

    .btn-primary {
      background: var(--gradient);
      color: white;
      box-shadow: 0 8px 25px rgba(24,203,150,0.3);
    }

    .btn-primary:hover {
      transform: translateY(-3px);
      box-shadow: 0 12px 35px rgba(24,203,150,0.4);
    }

    .btn-secondary {
      background: white;
      color: var(--secondary);
      border: 2px solid var(--secondary);
    }

    .btn-secondary:hover {
      background: var(--secondary);
      color: white;
      transform: translateY(-2px);
    }

    .btn-outline {
      background: transparent;
      color: var(--text);
      border: 1.5px solid var(--border);
    }

    .btn-outline:hover {
      border-color: var(--primary);
      color: var(--primary);
    }

    /* ========== SECTIONS COMMON ========== */
    section {
      padding: 100px 0;
      position: relative;
    }

    .section-label {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 0.8rem;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 1.5px;
      color: var(--secondary);
      margin-bottom: 16px;
    }

    .section-title {
      font-size: clamp(1.8rem, 4vw, 2.6rem);
      font-weight: 800;
      line-height: 1.25;
      color: var(--dark);
      margin-bottom: 16px;
    }

    .section-sub {
      font-size: 1.1rem;
      color: var(--text-muted);
      max-width: 640px;
      line-height: 1.7;
    }

    .text-center { text-align: center; }
    .text-center .section-sub { margin-left: auto; margin-right: auto; }

    /* ========== HERO ========== */
    .hero {
      padding: 140px 0 80px;
      background: linear-gradient(180deg, #ffffff 0%, var(--bg) 100%);
      overflow: hidden;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1fr 1.05fr;
      gap: 48px;
      align-items: center;
    }

    .hero-eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: var(--gradient-soft);
      color: var(--secondary);
      font-size: 0.8rem;
      font-weight: 600;
      padding: 7px 14px;
      border-radius: 50px;
      margin-bottom: 18px;
    }

    .hero h1 {
      font-size: clamp(1.75rem, 3.8vw, 2.55rem);
      font-weight: 800;
      line-height: 1.25;
      color: var(--dark);
      margin-bottom: 16px;
    }

    .hero h1 span {
      background: var(--gradient);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }

    .hero-sub {
      font-size: 1.05rem;
      color: var(--text-muted);
      margin-bottom: 28px;
      line-height: 1.65;
      max-width: 480px;
    }

    .hero-ctas {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      margin-bottom: 28px;
    }

    .trust-badges {
      display: flex;
      flex-wrap: wrap;
      gap: 20px;
    }

    .trust-badge {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 0.9rem;
      font-weight: 500;
      color: var(--text-muted);
    }

    .trust-badge svg {
      width: 18px;
      height: 18px;
      color: var(--primary);
      flex-shrink: 0;
    }

    /* Hero Visual */
    .hero-visual {
      position: relative;
      height: 480px;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .dashboard-mock {
      width: 100%;
      max-width: 520px;
      background: white;
      border-radius: 24px;
      box-shadow: var(--shadow-lg);
      border: 1px solid var(--border);
      overflow: hidden;
      position: relative;
      transform: perspective(1000px) rotateY(-8deg) rotateX(4deg);
      transition: transform 0.4s ease;
    }

    .dashboard-mock:hover {
      transform: perspective(1000px) rotateY(-4deg) rotateX(2deg);
    }

    .dash-header {
      background: linear-gradient(90deg, var(--dark) 0%, #0d3d48 100%);
      padding: 14px 20px;
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .dash-dots {
      display: flex;
      gap: 6px;
    }

    .dash-dots span {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: rgba(255,255,255,0.3);
    }

    .dash-dots span:nth-child(1) { background: #ff5f57; }
    .dash-dots span:nth-child(2) { background: #ffbd2e; }
    .dash-dots span:nth-child(3) { background: #28c840; }

    .dash-title {
      color: rgba(255,255,255,0.8);
      font-size: 0.8rem;
      font-weight: 500;
    }

    .dash-body {
      padding: 20px;
      background: #f8fafb;
    }

    .dash-stats {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 12px;
      margin-bottom: 16px;
    }

    .dash-stat {
      background: white;
      border-radius: 12px;
      padding: 14px;
      border: 1px solid var(--border);
    }

    .dash-stat-label {
      font-size: 0.7rem;
      color: var(--text-muted);
      margin-bottom: 4px;
    }

    .dash-stat-value {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--dark);
    }

    .dash-stat-value.green { color: var(--primary); }

    .dash-chart {
      background: white;
      border-radius: 12px;
      padding: 16px;
      border: 1px solid var(--border);
      height: 140px;
      display: flex;
      align-items: flex-end;
      gap: 8px;
      margin-bottom: 12px;
    }

    .chart-bar {
      flex: 1;
      background: var(--gradient);
      border-radius: 6px 6px 0 0;
      opacity: 0.85;
      transition: height 0.6s ease;
    }

    .dash-modules {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 8px;
    }

    .dash-mod {
      background: white;
      border-radius: 10px;
      padding: 10px 4px;
      border: 1px solid var(--border);
      font-size: 0.62rem;
      font-weight: 500;
      color: var(--text-muted);
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 5px;
      line-height: 1.2;
      text-align: center;
    }

    .dash-mod svg {
      width: 18px;
      height: 18px;
      flex-shrink: 0;
      color: var(--secondary);
      display: block;
    }

    .floating-ai {
      position: absolute;
      right: -10px;
      bottom: 40px;
      width: 90px;
      height: 90px;
      background: var(--gradient);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 15px 40px rgba(24,203,150,0.4);
      animation: float 3s ease-in-out infinite;
      z-index: 10;
    }

    .floating-ai svg {
      width: 42px;
      height: 42px;
      color: white;
    }

    @keyframes float {
      0%, 100% { transform: translateY(0); }
      50% { transform: translateY(-12px); }
    }

    .glass-card {
      position: absolute;
      background: rgba(255,255,255,0.85);
      backdrop-filter: blur(12px);
      border: 1px solid rgba(255,255,255,0.6);
      border-radius: 14px;
      padding: 12px 16px;
      box-shadow: 0 8px 30px rgba(0,0,0,0.08);
      font-size: 0.8rem;
      font-weight: 600;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .glass-card.one {
      top: 30px;
      left: -20px;
      animation: float 4s ease-in-out infinite 0.5s;
    }

    .glass-card.two {
      bottom: 80px;
      left: -30px;
      animation: float 3.5s ease-in-out infinite 1s;
    }

    .glass-card .dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--primary);
    }

    /* ========== TRUST ========== */
    .trust {
      padding: 60px 0;
      background: white;
      border-top: 1px solid var(--border);
      border-bottom: 1px solid var(--border);
    }

    .trust-title {
      text-align: center;
      font-size: 1.4rem;
      font-weight: 700;
      color: var(--dark);
      margin-bottom: 40px;
    }

    .counters {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      text-align: center;
    }

    .counter-item {
      padding: 20px;
    }

    .counter-value {
      font-size: 2.4rem;
      font-weight: 800;
      background: var(--gradient);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      margin-bottom: 6px;
    }

    .counter-label {
      font-size: 0.95rem;
      color: var(--text-muted);
      font-weight: 500;
    }

    /* ========== PAIN POINTS ========== */
    .pain {
      background: var(--bg);
    }

    .pain-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 32px;
      margin-top: 48px;
    }

    .pain-card {
      background: white;
      border-radius: var(--radius);
      padding: 36px;
      border: 1px solid var(--border);
      box-shadow: var(--shadow);
    }

    .pain-card.before {
      border-top: 4px solid #ef4444;
    }

    .pain-card.after {
      border-top: 4px solid var(--primary);
    }

    .pain-card h3 {
      font-size: 1.2rem;
      font-weight: 700;
      margin-bottom: 24px;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .pain-card ul li {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      padding: 10px 0;
      font-size: 1rem;
      color: var(--text-muted);
    }

    .pain-card ul li svg {
      width: 20px;
      height: 20px;
      flex-shrink: 0;
      margin-top: 2px;
    }

    .pain-card.before li svg { color: #ef4444; }
    .pain-card.after li svg { color: var(--primary); }

    /* ========== COST ========== */
    .cost {
      background: white;
    }

    .cost-visual {
      margin-top: 48px;
      background: linear-gradient(135deg, #0a2e36 0%, #0d4a55 100%);
      border-radius: var(--radius);
      padding: 48px;
      color: white;
      text-align: center;
    }

    .cost-list {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-bottom: 40px;
    }

    .cost-item {
      background: rgba(255,255,255,0.08);
      border-radius: 14px;
      padding: 20px;
      border: 1px solid rgba(255,255,255,0.1);
    }

    .cost-item-name {
      font-size: 0.9rem;
      opacity: 0.8;
      margin-bottom: 8px;
    }

    .cost-item-price {
      font-size: 1.3rem;
      font-weight: 700;
    }

    .cost-total {
      font-size: 3rem;
      font-weight: 800;
      margin-bottom: 8px;
      background: linear-gradient(90deg, #18cb96, #5eead4);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }

    .cost-note {
      opacity: 0.7;
      font-size: 0.95rem;
      margin-bottom: 32px;
    }

    .cost-timeline {
      display: flex;
      justify-content: center;
      gap: 40px;
      flex-wrap: wrap;
    }

    .cost-tl-item {
      text-align: center;
    }

    .cost-tl-label {
      font-size: 0.85rem;
      opacity: 0.7;
      margin-bottom: 4px;
    }

    .cost-tl-value {
      font-size: 1.4rem;
      font-weight: 700;
    }

    /* ========== SOLUTION ========== */
    .solution {
      background: var(--bg);
    }

    .ecosystem-diagram {
      margin-top: 56px;
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 0;
      padding-bottom: 8px;
    }

    .eco-node {
      background: white;
      border: 2px solid var(--border);
      border-radius: 16px;
      padding: 16px 28px;
      font-weight: 600;
      font-size: 1rem;
      display: flex;
      align-items: center;
      gap: 12px;
      box-shadow: var(--shadow);
      transition: all 0.3s;
      position: relative;
      z-index: 2;
    }

    .eco-node:hover {
      border-color: var(--primary);
      transform: scale(1.03);
    }

    .eco-node.main {
      background: var(--gradient);
      color: white;
      border: none;
      padding: 20px 36px;
      font-size: 1.15rem;
    }

    .eco-connector {
      width: 3px;
      height: 32px;
      background: linear-gradient(180deg, #18cb96 0%, #0097b2 100%);
      position: relative;
      flex-shrink: 0;
    }

    .eco-connector::after {
      content: '';
      position: absolute;
      bottom: -8px;
      left: 50%;
      transform: translateX(-50%);
      width: 0;
      height: 0;
      border-left: 7px solid transparent;
      border-right: 7px solid transparent;
      border-top: 9px solid #0097b2;
    }

    .eco-row {
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
      justify-content: center;
      margin-top: 12px;
    }

    /* ========== ECOSYSTEM BENTO ========== */
    .ecosystem {
      background: white;
    }

    .bento {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      grid-template-rows: auto;
      gap: 20px;
      margin-top: 48px;
    }

    .bento-card {
      background: var(--bg);
      border-radius: var(--radius);
      padding: 28px;
      border: 1px solid var(--border);
      transition: all 0.3s ease;
      display: flex;
      flex-direction: column;
    }

    .bento-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-lg);
      border-color: transparent;
    }

    .bento-card.large {
      grid-column: span 2;
      background: linear-gradient(135deg, #0a2e36 0%, #0d4a55 100%);
      color: white;
    }

    .bento-card.large .bento-desc {
      color: rgba(255,255,255,0.75);
    }

    .bento-icon {
      width: 48px;
      height: 48px;
      border-radius: 14px;
      background: var(--gradient-soft);
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 16px;
    }

    .bento-card.large .bento-icon {
      background: rgba(255,255,255,0.15);
    }

    .bento-icon svg {
      width: 24px;
      height: 24px;
      color: var(--secondary);
    }

    .bento-card.large .bento-icon svg {
      color: white;
    }

    .bento-title {
      font-size: 1.15rem;
      font-weight: 700;
      margin-bottom: 8px;
    }

    .bento-desc {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.6;
      flex: 1;
    }

    /* ========== AI EMPLOYEE ========== */
    .ai-section {
      background: var(--bg);
    }

    .ai-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 60px;
      align-items: center;
      margin-top: 48px;
    }

    .ai-features {
      display: flex;
      flex-direction: column;
      gap: 16px;
      margin-top: 28px;
    }

    .ai-feat {
      display: flex;
      align-items: center;
      gap: 14px;
      background: white;
      padding: 16px 20px;
      border-radius: 14px;
      border: 1px solid var(--border);
      font-weight: 500;
    }

    .ai-feat svg {
      width: 22px;
      height: 22px;
      color: var(--primary);
      flex-shrink: 0;
    }

    .workflow-steps {
      display: flex;
      flex-direction: column;
      gap: 0;
      margin-top: 32px;
    }

    .wf-step {
      display: flex;
      align-items: center;
      gap: 16px;
      padding: 12px 0;
    }

    .wf-num {
      width: 36px;
      height: 36px;
      border-radius: 50%;
      background: var(--gradient);
      color: white;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 0.9rem;
      flex-shrink: 0;
    }

    .wf-text {
      font-weight: 500;
      font-size: 1rem;
    }

    .wf-arrow {
      width: 2px;
      height: 20px;
      background: var(--border);
      margin-left: 17px;
    }

    .ai-visual {
      background: white;
      border-radius: var(--radius);
      padding: 32px;
      border: 1px solid var(--border);
      box-shadow: var(--shadow);
      position: relative;
      min-height: 380px;
    }

    .ai-chat {
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .chat-bubble {
      max-width: 80%;
      padding: 12px 16px;
      border-radius: 16px;
      font-size: 0.9rem;
      line-height: 1.5;
    }

    .chat-bubble.user {
      background: #e8f5f1;
      align-self: flex-end;
      border-bottom-right-radius: 4px;
    }

    .chat-bubble.ai {
      background: var(--gradient);
      color: white;
      align-self: flex-start;
      border-bottom-left-radius: 4px;
    }

    .ai-avatar {
      position: absolute;
      top: -20px;
      right: 30px;
      width: 70px;
      height: 70px;
      background: var(--gradient);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 10px 30px rgba(24,203,150,0.35);
    }

    .ai-avatar svg {
      width: 36px;
      height: 36px;
      color: white;
    }

    /* ========== PRODUCT SHOWCASE ========== */
    .showcase {
      background: white;
    }

    .tabs {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 40px;
      margin-bottom: 32px;
      justify-content: center;
    }

    .tab-btn {
      padding: 10px 20px;
      border-radius: 50px;
      border: 1.5px solid var(--border);
      background: white;
      font-weight: 500;
      font-size: 0.9rem;
      cursor: pointer;
      transition: all 0.2s;
      color: var(--text-muted);
    }

    .tab-btn:hover {
      border-color: var(--primary);
      color: var(--primary);
    }

    .tab-btn.active {
      background: var(--gradient);
      color: white;
      border-color: transparent;
    }

    .tab-content {
      display: none;
      background: linear-gradient(135deg, #0a2e36 0%, #0d4a55 100%);
      border-radius: var(--radius);
      padding: 40px;
      min-height: 360px;
      color: white;
    }

    .tab-content.active {
      display: block;
      animation: fadeIn 0.4s ease;
    }

    @keyframes fadeIn {
      from { opacity: 0; transform: translateY(10px); }
      to { opacity: 1; transform: translateY(0); }
    }

    .tab-inner {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }

    .tab-info h3 {
      font-size: 1.5rem;
      margin-bottom: 12px;
    }

    .tab-info p {
      opacity: 0.8;
      margin-bottom: 20px;
      line-height: 1.7;
    }

    .tab-features {
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .tab-features li {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 0.95rem;
    }

    .tab-features li::before {
      content: '';
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--primary);
      flex-shrink: 0;
    }

    .tab-mock {
      background: rgba(255,255,255,0.08);
      border-radius: 16px;
      padding: 24px;
      border: 1px solid rgba(255,255,255,0.1);
      min-height: 240px;
    }

    .mock-row {
      display: flex;
      gap: 12px;
      margin-bottom: 12px;
    }

    .mock-box {
      flex: 1;
      background: rgba(255,255,255,0.1);
      border-radius: 10px;
      height: 60px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.8rem;
      opacity: 0.9;
    }

    .mock-box.highlight {
      background: rgba(24,203,150,0.3);
      border: 1px solid rgba(24,203,150,0.5);
    }

    .mock-chart-area {
      height: 100px;
      background: rgba(255,255,255,0.06);
      border-radius: 10px;
      display: flex;
      align-items: flex-end;
      padding: 12px;
      gap: 6px;
    }

    .mock-bar {
      flex: 1;
      background: var(--primary);
      border-radius: 4px 4px 0 0;
      opacity: 0.8;
    }

    /* ========== WORKFLOW ========== */
    .workflow {
      background: var(--bg);
    }

    .flow-container {
      margin-top: 56px;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-wrap: wrap;
      gap: 8px;
    }

    .flow-node {
      background: white;
      border: 2px solid var(--border);
      border-radius: 16px;
      padding: 16px 20px;
      font-weight: 600;
      font-size: 0.9rem;
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 8px;
      min-width: 110px;
      text-align: center;
      transition: all 0.3s;
      opacity: 0;
      transform: translateY(20px);
    }

    .flow-node.visible {
      opacity: 1;
      transform: translateY(0);
    }

    .flow-node:hover {
      border-color: var(--primary);
      box-shadow: var(--shadow);
    }

    .flow-node svg {
      width: 28px;
      height: 28px;
      color: var(--secondary);
    }

    .flow-arrow {
      color: var(--primary);
      font-size: 1.4rem;
      opacity: 0.6;
    }

    /* ========== BEFORE AFTER ========== */
    .case {
      background: white;
    }

    .ba-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 32px;
      margin-top: 48px;
    }

    .ba-card {
      border-radius: var(--radius);
      padding: 36px;
      border: 1px solid var(--border);
    }

    .ba-card.before {
      background: #fef2f2;
      border-color: #fecaca;
    }

    .ba-card.after {
      background: #ecfdf5;
      border-color: #a7f3d0;
    }

    .ba-label {
      display: inline-block;
      font-size: 0.75rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 1px;
      padding: 6px 14px;
      border-radius: 50px;
      margin-bottom: 20px;
    }

    .ba-card.before .ba-label {
      background: #fee2e2;
      color: #dc2626;
    }

    .ba-card.after .ba-label {
      background: #d1fae5;
      color: #059669;
    }

    .ba-card ul li {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      padding: 10px 0;
      font-size: 1rem;
      color: var(--text);
    }

    .ba-card ul li svg {
      width: 20px;
      height: 20px;
      flex-shrink: 0;
      margin-top: 2px;
    }

    /* ========== COMPARISON ========== */
    .compare {
      background: var(--bg);
    }

    .compare-table-wrap {
      margin-top: 48px;
      overflow-x: auto;
      border-radius: var(--radius);
      box-shadow: var(--shadow);
    }

    .compare-table {
      width: 100%;
      border-collapse: collapse;
      background: white;
      min-width: 600px;
    }

    .compare-table th,
    .compare-table td {
      padding: 18px 24px;
      text-align: left;
      border-bottom: 1px solid var(--border);
    }

    .compare-table th {
      font-weight: 600;
      font-size: 0.95rem;
      background: #f8fafb;
    }

    .compare-table th:last-child {
      background: var(--gradient);
      color: white;
    }

    .compare-table td:last-child {
      background: rgba(24,203,150,0.06);
      font-weight: 600;
      color: var(--primary-dark);
    }

    .compare-table tr:last-child td {
      border-bottom: none;
    }

    .compare-table .check {
      color: var(--primary);
    }

    .compare-table .cross {
      color: #ef4444;
    }

    /* ========== PRICING ========== */
    .pricing {
      background: white;
    }

    .pricing-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
      margin-top: 48px;
      align-items: stretch;
    }

    .price-card {
      background: #fff;
      border-radius: 20px;
      padding: 32px 28px;
      border: 1.5px solid var(--border);
      display: flex;
      flex-direction: column;
      transition: all 0.3s ease;
      position: relative;
    }

    .price-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-lg);
    }

    .price-card.featured {
      border: 2px solid var(--primary);
      box-shadow: 0 12px 40px rgba(24, 203, 150, 0.15);
    }

    .price-tier {
      font-size: 0.75rem;
      font-weight: 600;
      letter-spacing: 0.06em;
      text-transform: uppercase;
      color: var(--text-muted);
      margin-bottom: 10px;
    }

    .price-badge {
      position: absolute;
      top: 18px;
      right: 18px;
      background: linear-gradient(135deg, #18cb96, #0097b2);
      color: #fff;
      font-size: 0.7rem;
      font-weight: 700;
      letter-spacing: 0.04em;
      text-transform: uppercase;
      padding: 5px 12px;
      border-radius: 20px;
    }

    .price-name {
      font-size: 1.35rem;
      font-weight: 700;
      color: var(--text);
      margin-bottom: 8px;
      line-height: 1.3;
    }

    .price-amount {
      font-size: 1.9rem;
      font-weight: 800;
      color: var(--text);
      margin-bottom: 6px;
      line-height: 1.2;
    }

    .price-unit {
      font-size: 0.85rem;
      font-weight: 500;
      color: var(--text-muted);
      margin-left: 2px;
    }

    .price-desc {
      font-size: 0.92rem;
      color: var(--text-muted);
      margin-bottom: 20px;
      line-height: 1.5;
    }

    .price-features {
      list-style: none;
      margin: 0 0 28px;
      padding: 0;
      flex: 1;
    }

    .price-features li {
      position: relative;
      padding: 8px 0 8px 28px;
      font-size: 0.92rem;
      color: var(--text);
      border-bottom: 1px solid #f0f4f7;
    }

    .price-features li:last-child {
      border-bottom: none;
    }

    .price-features li::before {
      content: '';
      position: absolute;
      left: 0;
      top: 50%;
      transform: translateY(-50%);
      width: 18px;
      height: 18px;
      background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2318cb96' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'%3E%3C/polyline%3E%3C/svg%3E") center/contain no-repeat;
    }

    .price-card .btn {
      width: 100%;
      margin-top: auto;
    }

    .price-card .btn-outline {
      background: transparent;
      border: 1.5px solid var(--border);
      color: var(--text);
    }

    .price-card .btn-outline:hover {
      border-color: var(--primary);
      color: var(--primary);
    }

    /* ========== COMBO ========== */
    .combo {
      background: var(--bg);
    }

    .combo-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      margin-top: 48px;
    }

    .combo-card {
      background: white;
      border-radius: var(--radius);
      padding: 32px;
      border: 1px solid var(--border);
      position: relative;
      transition: all 0.3s;
    }

    .combo-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-lg);
    }

    .combo-card.hot {
      border: 2px solid var(--primary);
    }

    .ribbon {
      position: absolute;
      top: -12px;
      right: 20px;
      background: var(--gradient);
      color: white;
      font-size: 0.7rem;
      font-weight: 700;
      padding: 6px 14px;
      border-radius: 50px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }

    .combo-name {
      font-size: 1.2rem;
      font-weight: 700;
      margin-bottom: 8px;
    }

    .combo-price {
      font-size: 1.8rem;
      font-weight: 800;
      color: var(--secondary);
      margin-bottom: 12px;
    }

    .combo-includes {
      font-size: 0.95rem;
      color: var(--text-muted);
      margin-bottom: 24px;
      line-height: 1.6;
    }

    .bonus-box {
      margin-top: 48px;
      background: white;
      border-radius: var(--radius);
      padding: 32px;
      border: 1px solid var(--border);
      text-align: center;
    }

    .bonus-box h3 {
      font-size: 1.2rem;
      margin-bottom: 20px;
    }

    .bonus-list {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 24px;
    }

    .bonus-item {
      display: flex;
      align-items: center;
      gap: 10px;
      font-weight: 500;
    }

    .bonus-item svg {
      width: 20px;
      height: 20px;
      color: var(--primary);
    }

    /* ========== WHY + FAQ ========== */
    .why-faq {
      background: white;
    }

    .advantages {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-top: 40px;
      margin-bottom: 64px;
    }

    .adv-card {
      text-align: center;
      padding: 28px 20px;
      background: var(--bg);
      border-radius: var(--radius);
      border: 1px solid var(--border);
      transition: all 0.3s;
    }

    .adv-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow);
    }

    .adv-icon {
      width: 56px;
      height: 56px;
      margin: 0 auto 16px;
      background: var(--gradient-soft);
      border-radius: 16px;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .adv-icon svg {
      width: 28px;
      height: 28px;
      color: var(--secondary);
    }

    .adv-title {
      font-weight: 700;
      font-size: 1.05rem;
      margin-bottom: 6px;
    }

    .adv-desc {
      font-size: 0.9rem;
      color: var(--text-muted);
    }

    .faq-list {
      max-width: 800px;
      margin: 0 auto;
    }

    .faq-item {
      border: 1px solid var(--border);
      border-radius: 14px;
      margin-bottom: 12px;
      overflow: hidden;
      background: var(--bg);
    }

    .faq-question {
      width: 100%;
      padding: 20px 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      background: none;
      border: none;
      cursor: pointer;
      font-size: 1.05rem;
      font-weight: 600;
      color: var(--dark);
      text-align: left;
      gap: 16px;
    }

    .faq-question svg {
      width: 20px;
      height: 20px;
      flex-shrink: 0;
      transition: transform 0.3s;
      color: var(--secondary);
    }

    .faq-item.open .faq-question svg {
      transform: rotate(180deg);
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease, padding 0.35s ease;
    }

    .faq-item.open .faq-answer {
      max-height: 300px;
    }

    .faq-answer-inner {
      padding: 0 24px 20px;
      color: var(--text-muted);
      line-height: 1.7;
      font-size: 0.95rem;
    }

    /* ========== FINAL CTA ========== */
    .final-cta {
      background: linear-gradient(135deg, #0a2e36 0%, #0d4a55 100%);
      color: white;
      padding: 100px 0 80px;
    }

    .final-cta .section-title {
      color: white;
    }

    .final-cta .section-sub {
      color: rgba(255,255,255,0.75);
    }

    .cta-form {
      max-width: 560px;
      margin: 40px auto 0;
      background: rgba(255,255,255,0.08);
      border-radius: var(--radius);
      padding: 36px;
      border: 1px solid rgba(255,255,255,0.12);
    }

    .selected-package {
      text-align: center;
      margin-bottom: 20px;
      padding: 12px 16px;
      background: rgba(24, 203, 150, 0.15);
      border: 1px solid rgba(24, 203, 150, 0.35);
      border-radius: 12px;
      color: #fff;
      font-size: 0.95rem;
    }

    .selected-package strong {
      color: #5eead4;
      font-weight: 700;
    }

    .form-group {
      margin-bottom: 20px;
    }

    .form-group label {
      display: block;
      font-size: 0.9rem;
      font-weight: 500;
      margin-bottom: 8px;
      opacity: 0.9;
    }

    .form-group input,
    .form-group select {
      width: 100%;
      padding: 14px 16px;
      border-radius: 12px;
      border: 1.5px solid rgba(255,255,255,0.2);
      background: rgba(255,255,255,0.1);
      color: white;
      font-size: 1rem;
      outline: none;
      transition: border-color 0.2s;
    }

    .form-group input::placeholder {
      color: rgba(255,255,255,0.4);
    }

    .form-group input:focus,
    .form-group select:focus {
      border-color: var(--primary);
    }

    .form-group select option {
      background: #0a2e36;
      color: white;
    }

    .form-trust {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      justify-content: center;
      margin-top: 20px;
      font-size: 0.85rem;
      opacity: 0.7;
    }

    .form-error {
      color: #fca5a5;
      font-size: 0.85rem;
      margin-top: 6px;
      display: none;
    }

    .form-success {
      display: none;
      text-align: center;
      padding: 20px;
      background: rgba(24,203,150,0.2);
      border-radius: 12px;
      margin-top: 16px;
    }

    /* ========== FOOTER ========== */
    .footer {
      background: #061e24;
      color: rgba(255,255,255,0.7);
      padding: 64px 0 32px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.5fr;
      gap: 40px;
      margin-bottom: 48px;
    }

    .footer-brand .logo {
      color: white;
      margin-bottom: 16px;
    }

    .footer-brand p {
      font-size: 0.95rem;
      line-height: 1.7;
      max-width: 280px;
    }

    .footer-col h4 {
      color: white;
      font-size: 1rem;
      font-weight: 700;
      margin-bottom: 20px;
    }

    .footer-col ul li {
      margin-bottom: 10px;
    }

    .footer-col ul a {
      font-size: 0.9rem;
      transition: color 0.2s;
    }

    .footer-col ul a:hover {
      color: var(--primary);
    }

    .footer-contact li {
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 12px;
      font-size: 0.9rem;
    }

    .footer-bottom {
      border-top: 1px solid rgba(255,255,255,0.1);
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 0.85rem;
    }

    /* ========== ANIMATIONS ========== */
    .fade-up {
      opacity: 0;
      transform: translateY(30px);
      transition: opacity 0.6s ease, transform 0.6s ease;
    }

    .fade-up.visible {
      opacity: 1;
      transform: translateY(0);
    }

    /* ========== RESPONSIVE ========== */
    @media (max-width: 1024px) {
      .hero-grid,
      .pain-grid,
      .ai-grid,
      .tab-inner,
      .ba-grid {
        grid-template-columns: 1fr;
      }

      .hero-visual {
        height: auto;
        order: -1;
        margin-bottom: 20px;
      }

      .dashboard-mock {
        transform: none;
        max-width: 100%;
      }

      .floating-ai,
      .glass-card {
        display: none;
      }

      .bento {
        grid-template-columns: repeat(2, 1fr);
      }

      .bento-card.large {
        grid-column: span 2;
      }

      .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 420px;
        margin-left: auto;
        margin-right: auto;
      }

      .combo-grid {
        grid-template-columns: 1fr;
      }

      .advantages {
        grid-template-columns: repeat(2, 1fr);
      }

      .counters {
        grid-template-columns: repeat(2, 1fr);
      }

      .cost-list {
        grid-template-columns: repeat(2, 1fr);
      }

      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }

      .flow-container {
        flex-direction: column;
      }

      .flow-arrow {
        transform: rotate(90deg);
      }
    }

    @media (max-width: 768px) {
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 24px;
        gap: 16px;
        border-bottom: 1px solid var(--border);
        box-shadow: 0 10px 30px rgba(0,0,0,0.08);
      }

      .nav-links.open {
        display: flex;
      }

      .menu-toggle {
        display: flex;
      }

      section {
        padding: 70px 0;
      }

      .hero {
        padding: 120px 0 60px;
      }

      .bento {
        grid-template-columns: 1fr;
      }

      .bento-card.large {
        grid-column: span 1;
      }

      .pricing-grid {
        grid-template-columns: 1fr;
      }

      .advantages {
        grid-template-columns: 1fr;
      }

      .counters {
        grid-template-columns: 1fr 1fr;
      }

      .cost-list {
        grid-template-columns: 1fr;
      }

      .footer-grid {
        grid-template-columns: 1fr;
      }

      .tabs {
        justify-content: flex-start;
        overflow-x: auto;
        flex-wrap: nowrap;
        padding-bottom: 8px;
      }

      .tab-btn {
        white-space: nowrap;
      }

      .tab-content {
        padding: 24px;
      }

      .tab-inner {
        grid-template-columns: 1fr;
      }
    }

/* ========== Contact Form 7 Styling ========== */
.cf7-form-wrapper .wpcf7 {
  width: 100%;
}

.cf7-form-wrapper .wpcf7-form p {
  margin-bottom: 16px;
}

.cf7-form-wrapper .wpcf7-form label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 8px;
  opacity: 0.9;
  color: rgba(255,255,255,0.9);
}

.cf7-form-wrapper .wpcf7-form input[type="text"],
.cf7-form-wrapper .wpcf7-form input[type="email"],
.cf7-form-wrapper .wpcf7-form input[type="tel"],
.cf7-form-wrapper .wpcf7-form input[type="url"],
.cf7-form-wrapper .wpcf7-form textarea,
.cf7-form-wrapper .wpcf7-form select {
  width: 100%;
  padding: 14px 16px;
  border-radius: 12px;
  border: 1.5px solid rgba(255,255,255,0.2);
  background: rgba(255,255,255,0.1);
  color: white;
  font-size: 1rem;
  outline: none;
  transition: border-color 0.2s;
  font-family: inherit;
}

.cf7-form-wrapper .wpcf7-form input::placeholder,
.cf7-form-wrapper .wpcf7-form textarea::placeholder {
  color: rgba(255,255,255,0.4);
}

.cf7-form-wrapper .wpcf7-form input:focus,
.cf7-form-wrapper .wpcf7-form textarea:focus,
.cf7-form-wrapper .wpcf7-form select:focus {
  border-color: #18cb96;
}

.cf7-form-wrapper .wpcf7-form select option {
  background: #0a2e36;
  color: white;
}

.cf7-form-wrapper .wpcf7-submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 14px 28px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1rem;
  border: none;
  cursor: pointer;
  background: linear-gradient(135deg, #18cb96 0%, #0097b2 100%);
  color: white;
  box-shadow: 0 8px 25px rgba(24,203,150,0.3);
  transition: all 0.25s ease;
  font-family: inherit;
}

.cf7-form-wrapper .wpcf7-submit:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 35px rgba(24,203,150,0.4);
}

.cf7-form-wrapper .wpcf7-not-valid-tip {
  color: #fca5a5;
  font-size: 0.85rem;
  margin-top: 6px;
}

.cf7-form-wrapper .wpcf7-response-output {
  margin: 16px 0 0;
  padding: 14px 18px;
  border-radius: 12px;
  border: none !important;
  text-align: center;
  font-size: 0.95rem;
}

.cf7-form-wrapper .wpcf7-mail-sent-ok {
  background: rgba(24,203,150,0.2);
  color: #a7f3d0;
}

.cf7-form-wrapper .wpcf7-validation-errors,
.cf7-form-wrapper .wpcf7-mail-sent-ng {
  background: rgba(239,68,68,0.2);
  color: #fca5a5;
}

.cf7-form-wrapper .wpcf7-spinner {
  margin-left: 10px;
}

/* ========== WordPress Admin Bar offset ========== */
/* Desktop: admin bar ~32px */
body.admin-bar .header {
  top: 32px;
}

/* Mobile: admin bar ~46px */
@media screen and (max-width: 782px) {
  body.admin-bar .header {
    top: 46px;
  }
}

/* Khi admin bar ẩn trên mobile (WP tự ẩn khi scroll) → header về top 0, tránh bị hở */
@media screen and (max-width: 600px) {
  body.admin-bar .header {
    top: 0;
  }
}

/* Đảm bảo header luôn có nền đặc, không trong suốt khi scroll */
.header {
  background: rgba(255, 255, 255, 0.95);
}

.header.scrolled {
  background: rgba(255, 255, 255, 0.98);
}

/* Hero không cần tăng padding quá nhiều — tránh layout lệch */
body.admin-bar .hero {
  padding-top: 150px;
}

@media screen and (max-width: 782px) {
  body.admin-bar .hero {
    padding-top: 130px;
  }
}