/* ── DESIGN TOKENS ──────────────────────────────── */
    :root {
      --sun: #F5A623;
      --sun-light: #FFD980;
      --deep: #0A1628;
      --ink: #1A2540;
      --slate: #3D4F6E;
      --sky: #EBF3FF;
      --white: #FFFFFF;
      --panel-bg: #F8FAFF;
      --border: #D6E2F5;
      --green: #1DB89D;
      --green-light: #E6F9F6;
      --radius: 14px;
      --radius-lg: 24px;
      --shadow-card: 0 4px 24px rgba(10,22,40,0.08);
      --shadow-hover: 0 12px 40px rgba(10,22,40,0.16);
      --font-head: 'Syne', sans-serif;
      --font-body: 'DM Sans', sans-serif;
      --transition: 0.25s cubic-bezier(0.4,0,0.2,1);
    }

    

    html { scroll-behavior: smooth; }

    body {
      font-family: var(--font-body);
      background: var(--white);
      color: var(--ink);
      line-height: 1.6;
      overflow-x: hidden;
    }

    /* ── UTILITY ──────────────────────────────────── */
    .container { max-width: 1600px; margin: 0 auto; padding: 0 24px; }
    .tag {
      display: inline-flex; align-items: center; gap: 6px;
      font-family: var(--font-head); font-size: 11px; font-weight: 700;
      letter-spacing: 0.12em; text-transform: uppercase;
      padding: 5px 12px; border-radius: 99px;
    }
    .tag-sun { background: var(--sun-light); color: #7A4F00; }
    .tag-green { background: var(--green-light); color: #0D6B59; }
    .tag-sky { background: var(--sky); color: var(--slate); }
    .tag-deep { background: var(--deep); color: var(--white); }

    .btn {
      display: inline-flex; align-items: center; gap: 8px;
      font-family: var(--font-head); font-weight: 700; font-size: 14px;
      letter-spacing: 0.04em; text-decoration: none;
      padding: 14px 28px; border-radius: 99px;
      cursor: pointer; border: none;
      transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
    }
    .btn:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(10,22,40,0.18); }
    .btn-primary { background: var(--sun); color: var(--deep); }
    .btn-primary:hover { background: #e8971b; }
    .btn-outline { background: transparent; color: var(--deep); border: 2px solid var(--deep); }
    .btn-outline:hover { background: var(--deep); color: var(--white); }
    .btn-ghost { background: rgba(255,255,255,0.12); color: var(--white); border: 2px solid rgba(255,255,255,0.3); }
    .btn-ghost:hover { background: rgba(255,255,255,0.22); box-shadow: none; }

    /* ── TOP BAR ──────────────────────────────────── */
    .topbar {
      background: var(--deep);
      color: rgba(255,255,255,0.7);
      font-size: 12.5px;
      font-weight: 400;
      padding: 9px 0;
      text-align: center;
      letter-spacing: 0.02em;
    }
    .topbar strong { color: var(--sun); }

    /* ── HERO ─────────────────────────────────────── */
    .hero {
      background: var(--deep);
      position: relative; overflow: hidden;
      padding: 90px 0 80px;
    }
    .hero::before {
      content: '';
      position: absolute; inset: 0;
      background: radial-gradient(ellipse 80% 60% at 70% 50%, rgba(245,166,35,0.18) 0%, transparent 70%),
                  radial-gradient(ellipse 60% 80% at 20% 80%, rgba(29,184,157,0.12) 0%, transparent 60%);
      pointer-events: none;
    }
    .hero-grid {
      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: 60px 60px;
      pointer-events: none;
    }
    .hero-inner {
      position: relative; z-index: 1;
      display: grid; grid-template-columns: 1fr 420px; gap: 60px; align-items: center;
    }
    .hero-breadcrumb {
      display: flex; gap: 8px; align-items: center; margin-bottom: 20px;
      font-size: 12.5px; color: rgba(255,255,255,0.45);
    }
    .hero-breadcrumb a { color: rgba(255,255,255,0.45); text-decoration: none; }
    .hero-breadcrumb a:hover { color: var(--sun); }
    .hero-breadcrumb span { color: rgba(255,255,255,0.25); }
    .hero-eyebrow { margin-bottom: 18px; display: flex; gap: 10px; flex-wrap: wrap; }
    .hero h1 {
      font-family: var(--font-head); font-weight: 800;
      font-size: clamp(34px, 4.5vw, 54px); line-height: 1.1;
      color: var(--white); letter-spacing: -0.02em;
      margin-bottom: 20px;
    }
    .hero h1 em { font-style: normal; color: var(--sun); }
    .hero-sub {
      font-size: 17px; line-height: 1.65; color: rgba(255,255,255,0.72);
      max-width: 520px; margin-bottom: 36px;
    }
    .hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
    .hero-stats {
      display: grid; grid-template-columns: 1fr 1fr; gap: 12px;
      margin-top: 48px;
    }
    .hero-stat {
      background: rgba(255,255,255,0.06);
      border: 1px solid rgba(255,255,255,0.1);
      border-radius: var(--radius);
      padding: 18px 20px;
      backdrop-filter: blur(10px);
    }
    .hero-stat-num {
      font-family: var(--font-head); font-weight: 800;
      font-size: 28px; color: var(--sun); line-height: 1;
      margin-bottom: 4px;
    }
    .hero-stat-label { font-size: 12.5px; color: rgba(255,255,255,0.5); }

    /* Panel visual on right */
    .hero-visual {
      position: relative;
      display: flex; align-items: center; justify-content: center;
    }
    .hero-panel-art {
      width: 100%; max-width: 400px;
      aspect-ratio: 1 / 1.1;
      background: linear-gradient(135deg, #1a3a6e 0%, #0d2040 100%);
      border-radius: var(--radius-lg);
      border: 1px solid rgba(255,255,255,0.1);
      position: relative; overflow: hidden;
      display: flex; flex-direction: column; align-items: center; justify-content: center;
      gap: 12px;
      box-shadow: 0 32px 80px rgba(0,0,0,0.4);
    }
    .panel-grid-svg { width: 88%; opacity: 0.9; }
    .panel-badge {
      position: absolute; top: 18px; right: 18px;
      background: var(--sun); color: var(--deep);
      font-family: var(--font-head); font-weight: 800;
      font-size: 11px; letter-spacing: 0.06em;
      padding: 6px 12px; border-radius: 99px;
    }
    .panel-certbadge {
      position: absolute; bottom: 18px; left: 18px;
      display: flex; gap: 6px;
    }
    .cert-pill {
      background: rgba(255,255,255,0.15); backdrop-filter: blur(6px);
      border: 1px solid rgba(255,255,255,0.2);
      color: var(--white); font-size: 10px; font-weight: 700;
      letter-spacing: 0.06em; padding: 4px 9px; border-radius: 6px;
    }

    /* ── TRUST STRIP ───────────────────────────────── */
    .trust-strip {
      background: var(--sky);
      border-bottom: 1px solid var(--border);
      padding: 22px 0;
    }
    .trust-items {
      display: flex; gap: 0; justify-content: space-between; align-items: center;
      flex-wrap: nowrap;
    }
    .trust-item {
      display: flex; align-items: center; gap: 12px;
      padding: 10px 16px;
      flex: 1; min-width: 0;
      border-right: 1px solid var(--border);
    }
    .trust-item:last-child { border-right: none; }
    .trust-icon {
      width: 38px; height: 38px; flex-shrink: 0;
      background: var(--white); border-radius: 10px;
      display: flex; align-items: center; justify-content: center;
      box-shadow: 0 2px 8px rgba(10,22,40,0.08);
    }
    .trust-text strong {
      display: block; font-family: var(--font-head); font-weight: 700;
      font-size: 13.5px; color: var(--deep); line-height: 1.2;
    }
    .trust-text span { font-size: 12px; color: var(--slate); }

    /* ── SECTION HEADING ─────────────────────────── */
    .section-head {
      text-align: center; margin-bottom: 56px;
    }
    .section-head .tag { margin-bottom: 14px; }
    .section-head h2 {
      font-family: var(--font-head); font-weight: 800;
      font-size: clamp(28px, 3.5vw, 42px); line-height: 1.15;
      color: var(--deep); letter-spacing: -0.02em; margin-bottom: 14px;
    }
    .section-head p {
      font-size: 16.5px; color: var(--slate); max-width: 600px; margin: 0 auto;
    }

    /* ── CATEGORY TABS ───────────────────────────── */
    .cats { padding: 80px 0 64px; }
    .cat-tabs {
      display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-bottom: 56px;
    }
    .cat-tab {
      font-family: var(--font-head); font-weight: 700; font-size: 13.5px;
      padding: 10px 22px; border-radius: 99px;
      border: 2px solid var(--border); background: var(--white);
      color: var(--slate); cursor: pointer;
      transition: all var(--transition);
    }
    .cat-tab:hover, .cat-tab.active {
      background: var(--deep); color: var(--white); border-color: var(--deep);
    }

    /* ── PRODUCT GRID ────────────────────────────── */
    .product-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
      gap: 24px;
    }
    .product-card {
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      overflow: hidden;
      transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
      display: flex; flex-direction: column;
      box-shadow: var(--shadow-card);
    }
    .product-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(245,166,35,0.3);
    }
    .product-img {
      background: var(--panel-bg);
      aspect-ratio: 4/3;
      display: flex; align-items: center; justify-content: center;
      position: relative; overflow: hidden;
      border-bottom: 1px solid var(--border);
    }
    .product-img-inner { width: 75%; height: 75%; }
    .product-tags {
      position: absolute; top: 14px; left: 14px;
      display: flex; gap: 6px; flex-wrap: wrap;
    }
    .product-body { padding: 22px 24px; flex: 1; display: flex; flex-direction: column; }
    .product-name {
      font-family: var(--font-head); font-weight: 700;
      font-size: 16.5px; color: var(--deep); line-height: 1.3;
      margin-bottom: 8px;
    }
    .product-desc {
      font-size: 13.5px; color: var(--slate); line-height: 1.6;
      margin-bottom: 18px; flex: 1;
    }
    .product-specs {
      display: grid; grid-template-columns: 1fr 1fr;
      gap: 8px; margin-bottom: 20px;
    }
    .spec-item {
      background: var(--panel-bg);
      border-radius: 8px; padding: 8px 11px;
    }
    .spec-label { font-size: 10.5px; color: var(--slate); text-transform: uppercase; letter-spacing: 0.08em; }
    .spec-val {
      font-family: var(--font-head); font-weight: 700;
      font-size: 13px; color: var(--deep);
    }
    .product-actions { display: flex; gap: 10px; }
    .product-actions .btn { flex: 1; justify-content: center; font-size: 13px; padding: 11px 16px; }

    /* ── WHY CNCOB ──────────────────────────────── */
    .why { padding: 96px 0; background: var(--deep); position: relative; overflow: hidden; }
    .why::before {
      content: '';
      position: absolute; inset: 0;
      background: radial-gradient(ellipse 70% 70% at 100% 0%, rgba(245,166,35,0.14) 0%, transparent 60%),
                  radial-gradient(ellipse 50% 50% at 0% 100%, rgba(29,184,157,0.1) 0%, transparent 60%);
    }
    .why-inner {
      position: relative; z-index: 1;
      display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center;
    }
    .why-left h2 {
      font-family: var(--font-head); font-weight: 800;
      font-size: clamp(28px, 3.5vw, 42px); line-height: 1.15;
      color: var(--white); letter-spacing: -0.02em; margin-bottom: 18px; margin-top: 14px;
    }
    .why-left h2 em { font-style: normal; color: var(--sun); }
    .why-left p { font-size: 16px; color: rgba(255,255,255,0.65); line-height: 1.7; margin-bottom: 32px; }
    .why-certifications {
      display: flex; gap: 10px; flex-wrap: wrap;
    }
    .cert-badge {
      background: #FFFFFF;
      border: 1px solid rgba(255,255,255,0.15);
      border-radius: 8px;
      font-family: var(--font-head); font-weight: 700;
      font-size: 12px; color: #F5A623;
      padding: 7px 14px; letter-spacing: 0.06em;
    }
    .why-right {
      display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
    }
    .advantage-card {
      background: rgba(255,255,255,0.06);
      border: 1px solid rgba(255,255,255,0.1);
      border-radius: var(--radius);
      padding: 24px 22px;
      transition: background var(--transition), border-color var(--transition);
    }
    .advantage-card:hover {
      background: rgba(255,255,255,0.1);
      border-color: rgba(245,166,35,0.3);
    }
    .adv-icon {
      width: 44px; height: 44px;
      background: rgba(245,166,35,0.15);
      border-radius: 12px;
      display: flex; align-items: center; justify-content: center;
      margin-bottom: 14px;
    }
    .adv-icon svg { width: 22px; height: 22px; color: var(--sun); }
    .adv-title {
      font-family: var(--font-head); font-weight: 700;
      font-size: 14px; color: var(--white); margin-bottom: 6px;
    }
    .adv-desc { font-size: 12.5px; color: rgba(255,255,255,0.55); line-height: 1.6; }

    /* ── HOW TO ORDER ────────────────────────────── */
    .how { padding: 88px 0; background: var(--panel-bg); }
    .how-steps {
      display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
      margin-top: 0; position: relative;
    }
    .how-steps::before {
      content: '';
      position: absolute; top: 32px; left: calc(12.5% + 20px); right: calc(12.5% + 20px);
      height: 2px; background: linear-gradient(90deg, var(--sun), var(--green));
      z-index: 0;
    }
    .how-step {
      display: flex; flex-direction: column; align-items: center; text-align: center;
      position: relative; z-index: 1;
    }
    .how-step-num {
      width: 64px; height: 64px;
      background: var(--white);
      border: 3px solid var(--sun);
      border-radius: 50%;
      font-family: var(--font-head); font-weight: 800;
      font-size: 22px; color: var(--deep);
      display: flex; align-items: center; justify-content: center;
      margin-bottom: 20px;
      box-shadow: 0 4px 16px rgba(245,166,35,0.2);
    }
    .how-step h4 {
      font-family: var(--font-head); font-weight: 700;
      font-size: 15px; color: var(--deep); margin-bottom: 8px;
    }
    .how-step p { font-size: 13px; color: var(--slate); line-height: 1.6; }

    /* ── USE CASES ──────────────────────────────── */
    .usecases { padding: 88px 0; }
    .usecase-grid {
      display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
      margin-top: 0;
    }
    .usecase-card {
      border-radius: var(--radius-lg); overflow: hidden;
      position: relative; aspect-ratio: 4/3;
      display: flex; align-items: flex-end;
      cursor: default;
    }
    .usecase-bg {
      position: absolute; inset: 0;
      display: flex; align-items: center; justify-content: center;
    }
    .usecase-overlay {
      position: absolute; inset: 0;
      background: linear-gradient(to top, rgba(10,22,40,0.85) 30%, transparent 75%);
    }
    .usecase-content {
      position: relative; z-index: 1; padding: 24px;
    }
    .usecase-content h4 {
      font-family: var(--font-head); font-weight: 800;
      font-size: 18px; color: var(--white); margin-bottom: 6px;
    }
    .usecase-content p { font-size: 13px; color: rgba(255,255,255,0.7); line-height: 1.5; }

    /* ── FAQ ────────────────────────────────────── */
    .faq-section { padding: 88px 0; background: var(--white); }
    .faq-grid { max-width: 800px; margin: 0 auto; }
    .faq-item {
      border-bottom: 1px solid var(--border); padding: 24px 0;
    }
    .faq-q {
      font-family: var(--font-head); font-weight: 700;
      font-size: 16px; color: var(--deep); cursor: pointer;
      display: flex; justify-content: space-between; align-items: flex-start; gap: 16px;
      user-select: none;
    }
    .faq-q svg { flex-shrink: 0; transition: transform var(--transition); margin-top: 2px; }
    .faq-a { font-size: 14.5px; color: var(--slate); line-height: 1.7; padding-top: 14px; display: none; }
    .faq-item.open .faq-a { display: block; }
    .faq-item.open .faq-q svg { transform: rotate(180deg); }

    /* ── CTA BANNER ─────────────────────────────── */
    .cta-banner {
      padding: 88px 0;
      background: linear-gradient(135deg, var(--deep) 0%, #1a3560 100%);
      position: relative; overflow: hidden;
    }
    .cta-banner::before {
      content: '';
      position: absolute; inset: 0;
      background: radial-gradient(ellipse 60% 80% at 80% 50%, rgba(245,166,35,0.2) 0%, transparent 60%);
    }
    .cta-inner {
      position: relative; z-index: 1;
      display: grid; grid-template-columns: 1fr auto; gap: 48px; align-items: center;
    }
    .cta-inner h2 {
      font-family: var(--font-head); font-weight: 800;
      font-size: clamp(26px, 3vw, 38px); color: var(--white);
      letter-spacing: -0.02em; line-height: 1.2; margin-bottom: 12px;
    }
    .cta-inner h2 em { font-style: normal; color: var(--sun); }
    .cta-inner p { font-size: 16px; color: rgba(255,255,255,0.65); }
    .cta-btns { display: flex; gap: 12px; flex-direction: column; align-items: flex-end; }

    /* ── ANIMATIONS ─────────────────────────────── */
    @keyframes fadeUp {
      from { opacity: 0; transform: translateY(28px); }
      to { opacity: 1; transform: translateY(0); }
    }
    .fade-up { animation: fadeUp 0.6s ease both; }
    .delay-1 { animation-delay: 0.1s; }
    .delay-2 { animation-delay: 0.2s; }
    .delay-3 { animation-delay: 0.3s; }
    .delay-4 { animation-delay: 0.4s; }

    /* ── RESPONSIVE ─────────────────────────────── */
    @media (max-width: 960px) {
      .hero-inner { grid-template-columns: 1fr; }
      .hero-visual { display: none; }
      .why-inner { grid-template-columns: 1fr; gap: 40px; }
      .how-steps { grid-template-columns: 1fr 1fr; }
      .how-steps::before { display: none; }
      .usecase-grid { grid-template-columns: 1fr 1fr; }
      .footer-top { grid-template-columns: 1fr 1fr; }
      .cta-inner { grid-template-columns: 1fr; }
      .cta-btns { flex-direction: row; align-items: flex-start; }
    }
    @media (max-width: 640px) {
      .product-grid { grid-template-columns: 1fr; }
      .why-right { grid-template-columns: 1fr; }
      .usecase-grid { grid-template-columns: 1fr; }
      .how-steps { grid-template-columns: 1fr; }
      .trust-items { flex-direction: column; }
      .trust-item { border-right: none; border-bottom: 1px solid var(--border); }
      .trust-item:last-child { border-bottom: none; }
    }