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

    :root {
      --obsidian:  #05101E;
      --navy:      #0A1F3A;
      --navy2:     #0D2847;
      --teal:      #0CC9A8;
      --lime:      #C2FF57;
      --sky:       #5BC8FF;
      --steel:     #8A9DB8;
      --cloud:     #E4ECF7;
      --dim:       rgba(12,201,168,0.12);
      --font-head: 'Syne', sans-serif;
      --font-body: 'DM Sans', sans-serif;
    }

    html { scroll-behavior: smooth; }

    body {
      background: var(--obsidian);
      color: var(--cloud);
      font-family: var(--font-body);
      font-size: 17px;
      line-height: 1.75;
      overflow-x: hidden;
    }

    /* ── GRID OVERLAY ── */
    body::before {
      content: '';
      position: fixed; inset: 0;
      background-image:
        linear-gradient(rgba(12,201,168,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(12,201,168,0.03) 1px, transparent 1px);
      background-size: 60px 60px;
      pointer-events: none;
      z-index: 0;
    }

    /* ── NAV ── */
    nav {
      position: fixed; top: 0; left: 0; right: 0;
      z-index: 100;
      display: flex; align-items: center; justify-content: space-between;
      padding: 0 6vw;
      height: 72px;
      background: rgba(5,16,30,0.85);
      backdrop-filter: blur(16px);
      border-bottom: 1px solid var(--dim);
    }

    .nav-logo img { height: 38px; display: block; }

    .nav-links {
      display: flex; gap: 2rem; list-style: none;
    }

    .nav-links a {
      font-family: var(--font-head);
      font-weight: 600;
      font-size: 14px;
      letter-spacing: 0.08em;
      color: var(--steel);
      text-decoration: none;
      text-transform: uppercase;
      transition: color 0.2s;
    }
    .nav-links a:hover { color: var(--teal); }

    .nav-cta {
      background: var(--teal);
      color: var(--obsidian) !important;
      padding: 10px 22px;
      border-radius: 8px;
      font-family: var(--font-head) !important;
      font-weight: 700 !important;
      font-size: 13px !important;
      letter-spacing: 0.06em !important;
      transition: background 0.2s, transform 0.15s !important;
    }
    .nav-cta:hover {
      background: var(--lime) !important;
      color: var(--obsidian) !important;
      transform: translateY(-1px);
    }

    .hamburger {
      display: none;
      flex-direction: column;
      gap: 5px;
      cursor: pointer;
      padding: 4px;
    }
    .hamburger span {
      display: block; width: 24px; height: 2px;
      background: var(--cloud);
      transition: all 0.3s;
    }

    /* ── HERO ── */
    #hero {
      position: relative;
      min-height: 100vh;
      display: flex; align-items: center;
      padding: 140px 6vw 80px;
      overflow: hidden;
    }

    .hero-glow {
      position: absolute;
      width: 700px; height: 700px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(12,201,168,0.08) 0%, transparent 70%);
      top: 50%; left: 50%;
      transform: translate(-20%, -50%);
      pointer-events: none;
    }

    .hero-content {
      position: relative; z-index: 1;
      max-width: 680px;
    }

    .hero-badge {
      display: inline-flex; align-items: center; gap: 8px;
      background: rgba(12,201,168,0.1);
      border: 1px solid rgba(12,201,168,0.25);
      border-radius: 100px;
      padding: 6px 16px;
      font-size: 12px;
      font-family: var(--font-head);
      font-weight: 700;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      color: var(--teal);
      margin-bottom: 28px;
    }
    .hero-badge::before {
      content: '';
      width: 7px; height: 7px;
      border-radius: 50%;
      background: var(--teal);
      animation: pulse 2s infinite;
    }

    @keyframes pulse {
      0%, 100% { opacity: 1; transform: scale(1); }
      50% { opacity: 0.5; transform: scale(0.7); }
    }

    h1 {
      font-family: var(--font-head);
      font-weight: 800;
      font-size: clamp(2.6rem, 5vw, 4.2rem);
      line-height: 1.1;
      letter-spacing: -0.02em;
      color: var(--cloud);
      margin-bottom: 24px;
    }

    h1 .accent { color: var(--teal); }
    h1 .lime   { color: var(--lime); }

    .hero-sub {
      font-size: 19px;
      color: #D6E6F8;
      max-width: 560px;
      margin-bottom: 44px;
      line-height: 1.75;
    }

    .hero-actions {
      display: flex; gap: 16px; flex-wrap: wrap;
    }

    .btn-primary {
      display: inline-flex; align-items: center; gap: 8px;
      background: var(--teal);
      color: var(--obsidian);
      font-family: var(--font-head);
      font-weight: 700;
      font-size: 15px;
      padding: 14px 28px;
      border-radius: 10px;
      text-decoration: none;
      letter-spacing: 0.02em;
      transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
      box-shadow: 0 0 0 0 rgba(12,201,168,0);
    }
    .btn-primary:hover {
      background: var(--lime);
      transform: translateY(-2px);
      box-shadow: 0 8px 30px rgba(12,201,168,0.25);
    }
    .btn-primary svg { width: 18px; height: 18px; }

    .btn-ghost {
      display: inline-flex; align-items: center; gap: 8px;
      background: transparent;
      color: var(--cloud);
      font-family: var(--font-head);
      font-weight: 600;
      font-size: 15px;
      padding: 14px 28px;
      border-radius: 10px;
      text-decoration: none;
      border: 1px solid rgba(228,236,247,0.2);
      transition: border-color 0.2s, color 0.2s;
    }
    .btn-ghost:hover {
      border-color: var(--teal);
      color: var(--teal);
    }

    /* ── HERO STATS ── */
    .hero-stats {
      display: flex; gap: 40px; margin-top: 64px; flex-wrap: wrap;
    }
    .stat { border-left: 2px solid var(--teal); padding-left: 18px; }
    .stat-val {
      font-family: var(--font-head);
      font-weight: 800;
      font-size: 2rem;
      color: var(--teal);
      line-height: 1;
    }
    .stat-label { font-size: 13px; color: var(--steel); margin-top: 4px; }

    /* ── SECTIONS ── */
    section { position: relative; z-index: 1; padding: 100px 6vw; }

    .section-label {
      font-family: var(--font-head);
      font-weight: 700;
      font-size: 11px;
      letter-spacing: 0.3em;
      text-transform: uppercase;
      color: var(--teal);
      margin-bottom: 16px;
    }

    h2 {
      font-family: var(--font-head);
      font-weight: 800;
      font-size: clamp(1.8rem, 3vw, 2.8rem);
      line-height: 1.15;
      letter-spacing: -0.02em;
      color: var(--cloud);
      margin-bottom: 20px;
    }

    .section-sub {
      font-size: 18px;
      color: #B9C9DE;
      max-width: 620px;
      line-height: 1.75;
    }

    /* ── DIVIDER ── */
    .divider {
      width: 100%; height: 1px;
      background: linear-gradient(90deg, transparent, var(--teal), transparent);
      opacity: 0.2;
    }

    /* ── HOW IT WORKS ── */
    #how { background: var(--navy); }

    .steps-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
      gap: 2px;
      margin-top: 60px;
    }

    .step-card {
      background: var(--navy2);
      padding: 40px 32px;
      position: relative;
      overflow: hidden;
      transition: background 0.2s;
    }
    .step-card:first-child { border-radius: 14px 0 0 14px; }
    .step-card:last-child  { border-radius: 0 14px 14px 0; }
    .step-card:hover { background: rgba(12,201,168,0.06); }

    .step-num {
      font-family: var(--font-head);
      font-weight: 800;
      font-size: 3.5rem;
      color: rgba(12,201,168,0.12);
      line-height: 1;
      margin-bottom: 20px;
    }

    .step-title {
      font-family: var(--font-head);
      font-weight: 700;
      font-size: 17px;
      color: var(--cloud);
      margin-bottom: 10px;
    }

    .step-desc { font-size: 14px; color: var(--steel); line-height: 1.6; }

    /* ── PRODUCTS ── */
    .products-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 20px;
      margin-top: 60px;
    }

    .product-card {
      background: var(--navy);
      border: 1px solid var(--dim);
      border-radius: 16px;
      padding: 32px;
      transition: border-color 0.25s, transform 0.2s, box-shadow 0.25s;
      cursor: default;
    }
    .product-card:hover {
      border-color: rgba(12,201,168,0.35);
      transform: translateY(-4px);
      box-shadow: 0 20px 40px rgba(0,0,0,0.3);
    }

    .product-icon {
      width: 104px; height: 104px;
      border-radius: 18px;
      display: grid; place-items: center;
      margin-bottom: 18px;
      background: rgba(255,255,255,0.10);
      box-shadow: 0 12px 25px rgba(0,0,0,0.32);
      border: 1px solid rgba(228,236,247,0.32);
      position: relative;
      overflow: hidden;
    }

    .product-icon img {
      max-width: 88%;
      max-height: 88%;
      width: auto;
      height: auto;
      object-fit: cover;
      border-radius: 14px;
    }

    .product-icon-label {
      margin-top: 6px;
      font-size: 11px;
      letter-spacing: 0.06em;
      color: #B8CCDF;
      text-transform: uppercase;
    }

    .product-icon::after {
      content: attr(data-name);
      position: absolute;
      bottom: -24px;
      left: 50%;
      transform: translateX(-50%);
      font-family: var(--font-body);
      font-size: 11px;
      white-space: nowrap;
      background: rgba(0,0,0,0.8);
      color: #fff;
      border-radius: 6px;
      padding: 3px 8px;
      opacity: 0;
      pointer-events: none;
      transition: opacity 0.2s;
      z-index: 2;
    }

    .product-card:hover .product-icon::after { opacity: 1; }

    .product-name {
      font-family: var(--font-head);
      font-weight: 800;
      font-size: 19px;
      margin-bottom: 8px;
    }

    .product-name--core { color:#0CC9A8; }
    .product-name--sight { color:#5BC8FF; }
    .product-name--build { color:#C2FF57; }
    .product-name--mark { color:#A78BFA; }
    .product-name--trace { color:#FB923C; }
    .product-name--nest { color:#F472B6; }

    .product-tag {
      display: inline-block;
      font-size: 11px;
      font-family: var(--font-head);
      font-weight: 700;
      letter-spacing: 0.1em;
      padding: 3px 10px;
      border-radius: 100px;
      margin-bottom: 14px;
    }
    .tag-live    { background: rgba(12,201,168,0.15); color: var(--teal); }
    .tag-concept { background: rgba(138,157,184,0.15); color: var(--steel); }

    .product-desc { font-size: 15px; color: #C1D2E3; line-height: 1.7; }

    /* ── WHO WE SERVE ── */
    #sectors { background: var(--navy); }

    .sectors-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
      gap: 16px;
      margin-top: 60px;
    }

    .sector-card {
      background: rgba(12,201,168,0.05);
      border: 1px solid var(--dim);
      border-radius: 12px;
      padding: 24px 20px;
      text-align: center;
      transition: background 0.2s, border-color 0.2s;
    }
    .sector-card:hover {
      background: rgba(12,201,168,0.1);
      border-color: rgba(12,201,168,0.3);
    }

    .sector-icon { font-size: 28px; margin-bottom: 12px; }
    .sector-name {
      font-family: var(--font-head);
      font-weight: 700;
      font-size: 14px;
      color: var(--cloud);
      margin-bottom: 6px;
    }
    .sector-stat { font-size: 12px; color: var(--teal); }

    /* ── CTA BAND ── */
    #cta {
      background: linear-gradient(135deg, var(--navy) 0%, rgba(12,201,168,0.08) 100%);
      border-top: 1px solid var(--dim);
      border-bottom: 1px solid var(--dim);
      text-align: center;
    }

    #cta h2 { margin: 0 auto 16px; max-width: 640px; }
    #cta p  { color: var(--steel); margin-bottom: 40px; font-size: 17px; }
    .cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

    /* ── ABOUT ── */
    .about-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 80px;
      align-items: center;
    }

    .about-text h2 { margin-bottom: 20px; }
    .about-text p  { color: var(--steel); margin-bottom: 20px; font-size: 16px; line-height: 1.75; }

    .about-facts {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
      margin-top: 40px;
    }

    .fact-card {
      background: var(--navy);
      border: 1px solid var(--dim);
      border-radius: 12px;
      padding: 20px;
    }
    .fact-val {
      font-family: var(--font-head);
      font-weight: 800;
      font-size: 1.6rem;
      color: var(--teal);
      line-height: 1;
      margin-bottom: 6px;
    }
    .fact-desc { font-size: 13px; color: var(--steel); }

    .about-visual {
      position: relative;
      background: var(--navy);
      border: 1px solid var(--dim);
      border-radius: 20px;
      padding: 40px;
      overflow: hidden;
    }
    .about-visual::before {
      content: '';
      position: absolute;
      width: 300px; height: 300px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(12,201,168,0.1) 0%, transparent 70%);
      top: -50px; right: -50px;
      pointer-events: none;
    }

    .reg-detail {
      font-size: 13px;
      color: var(--steel);
      padding: 12px 0;
      border-bottom: 1px solid var(--dim);
      display: flex; justify-content: space-between;
    }
    .reg-detail:last-child { border-bottom: none; }
    .reg-detail strong { color: var(--cloud); font-weight: 600; }

    /* ── FOOTER ── */
    footer {
      background: #020B16;
      border-top: 1px solid var(--dim);
      padding: 60px 6vw 40px;
    }

    .footer-top {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr;
      gap: 60px;
      margin-bottom: 60px;
    }

    .footer-brand img { height: 36px; margin-bottom: 16px; }
    .footer-brand p   { font-size: 14px; color: var(--steel); line-height: 1.7; max-width: 300px; }

    .footer-col h4 {
      font-family: var(--font-head);
      font-weight: 700;
      font-size: 12px;
      letter-spacing: 0.15em;
      text-transform: uppercase;
      color: var(--teal);
      margin-bottom: 20px;
    }

    .footer-col a {
      display: block;
      font-size: 14px;
      color: var(--steel);
      text-decoration: none;
      margin-bottom: 10px;
      transition: color 0.2s;
    }
    .footer-col a:hover { color: var(--teal); }

    .social-links {
      display: flex;
      flex-direction: row;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 6px;
    }

    .social-button {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 38px;
      height: 38px;
      gap: 0;
      font-size: 0;
      color: var(--cloud);
      background: rgba(103, 125, 153, 0.12);
      border: 1px solid rgba(103, 125, 153, 0.32);
      border-radius: 8px;
      padding: 0;
      text-decoration: none;
      transition: background 0.2s, color 0.2s, border-color 0.2s, transform 0.2s;
    }

    .social-button:hover {
      color: var(--teal);
      border-color: var(--teal);
      background: rgba(12, 201, 168, 0.14);
      transform: translateY(-1px);
    }

    .sr-only {
      position: absolute !important;
      width: 1px;
      height: 1px;
      padding: 0;
      margin: -1px;
      overflow: hidden;
      clip: rect(0 0 0 0);
      white-space: nowrap;
      border: 0;
    }

    .social-button::before {
      content: '';
      width: 18px;
      height: 18px;
      border-radius: 50%;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 11px;
      font-weight: 700;
      color: #fff;
    }
    .icon-youtube::before { content: '▶'; background: #FF0000; }
    .icon-linkedin::before { content: 'in'; background: #0A66C2; font-size: 10px; }
    .icon-x::before { content: 'X'; background: #000000; }
    .icon-medium::before { content: 'M'; background: #00ab6c; font-size: 10px; }
    .icon-producthunt::before { content: 'PH'; background: #DA552F; font-size: 8px; }
    .icon-instagram::before { content: 'I'; background: #E1306C; font-size: 10px; }

    .footer-bottom {
      padding-top: 32px;
      border-top: 1px solid var(--dim);
      display: flex; justify-content: space-between; align-items: center;
      flex-wrap: wrap; gap: 12px;
    }

    .footer-bottom p { font-size: 13px; color: #3A5070; }
    .footer-bottom span { color: var(--teal); }

    /* ── ANIMATIONS ── */
    .fade-in {
      opacity: 0;
      transform: translateY(24px);
      transition: opacity 0.7s ease, transform 0.7s ease;
    }
    .fade-in.visible {
      opacity: 1;
      transform: translateY(0);
    }

    /* ── RESPONSIVE ── */
    @media (max-width: 768px) {
      .nav-links { display: none; }
      .nav-links.open {
        display: flex;
        flex-direction: column;
        position: fixed;
        top: 72px; left: 0; right: 0;
        background: var(--navy);
        padding: 24px 6vw;
        border-bottom: 1px solid var(--dim);
        gap: 1.2rem;
      }
      .hamburger { display: flex; }
      .hero-stats { gap: 24px; }
      .steps-grid { grid-template-columns: 1fr; gap: 2px; }
      .step-card:first-child { border-radius: 14px 14px 0 0; }
      .step-card:last-child  { border-radius: 0 0 14px 14px; }
      .about-grid { grid-template-columns: 1fr; gap: 40px; }
      .footer-top { grid-template-columns: 1fr; gap: 40px; }
      .about-facts { grid-template-columns: 1fr 1fr; }
      section { padding: 70px 6vw; }
    }

    @media (max-width: 480px) {
      .hero-actions { flex-direction: column; }
      .btn-primary, .btn-ghost { text-align: center; justify-content: center; }
      .sectors-grid { grid-template-columns: 1fr 1fr; }
      .about-facts  { grid-template-columns: 1fr; }
    }

    @media (prefers-color-scheme: light) {
      body {
        background: #F8FBFF;
        color: #0A1F3A;
      }
      nav { background: rgba(255,255,255,0.9); border-bottom: 1px solid rgba(12,201,168,0.15); }
      section { background: #FCFCFF; color: #0A1F3A; }
      .card, .step-card, .product-card, .sector-card, .about-visual { background: #FFFFFF; border-color: rgba(12,201,168,0.12); }
      .hero-badge { background: rgba(12,201,168,0.08); color: #067963; }
      .btn-primary { color: #ffffff; }
      .btn-ghost { color: #0A1F3A; border-color: rgba(12,201,168,0.2); }
      .section-sub, .about-text p, .product-desc, .stat-label, .fact-desc { color: #4E6B86; }
    }