:root {
    --teal: #01C3D0;
    --teal-dark: #009faa;
    --teal-light: #e0f9fb;
    --teal-mid: #b2eff3;
    --green: #00E5A0;
    --navy: #0a1628;
    --dark: #111827;
    --muted: #6b7280;
    --white: #ffffff;
    --off-white: #f8fffe;
    --card-bg: #ffffff;
  }

  *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; }
  body { font-family: 'DM Sans', sans-serif; background: var(--off-white); color: var(--dark); overflow-x: hidden; }

  body::before {
    content: '';
    position: fixed; inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");
    pointer-events: none; z-index: 0; opacity: .4;
  }

  /* ── NAV ── */
  nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    display: flex; align-items: center; justify-content: space-between;
    padding: 18px 6%;
    background: rgba(248,255,254,0.85);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(1,195,208,.1);
  }
  .nav-logo { font-family: 'Roboto', sans-serif; font-weight: 800; font-size: 1.5rem; color: var(--teal); letter-spacing: -.02em; text-decoration: none; }
  .nav-logo span { color: #FEBB1E; }
  .nav-links { display: flex; gap: 2rem; list-style: none; }
  .nav-links a { font-size: .9rem; font-weight: 500; color: var(--muted); text-decoration: none; transition: color .2s; }
  .nav-links a:hover { color: var(--teal); }
  .nav-cta {
    background: var(--teal); color: #fff; border: none; border-radius: 100px;
    padding: 10px 22px; font-family: 'DM Sans', sans-serif; font-size: .9rem; font-weight: 500;
    cursor: pointer; text-decoration: none;
    transition: background .2s, transform .15s, box-shadow .2s;
    box-shadow: 0 4px 20px rgba(1,195,208,.3);
  }
  .nav-cta:hover { background: var(--teal-dark); transform: translateY(-1px); box-shadow: 0 6px 24px rgba(1,195,208,.4); }

  /* ── HERO ── */
  .hero {
    min-height: 100vh;
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    text-align: center; padding: 120px 6% 80px;
    position: relative; overflow: hidden;
  }
  .blob { position: absolute; border-radius: 50%; filter: blur(80px); opacity: .18; pointer-events: none; }
  .blob-1 { width: 600px; height: 600px; background: var(--teal); top: -100px; left: -150px; animation: blobFloat 8s ease-in-out infinite; }
  .blob-2 { width: 400px; height: 400px; background: var(--green); bottom: 0; right: -100px; animation: blobFloat 10s ease-in-out infinite reverse; }
  .blob-3 { width: 300px; height: 300px; background: var(--teal); top: 40%; left: 50%; transform: translate(-50%,-50%); animation: blobFloat 12s ease-in-out infinite 2s; }
  @keyframes blobFloat {
    0%,100% { transform: translate(0,0) scale(1); }
    33% { transform: translate(20px,-30px) scale(1.05); }
    66% { transform: translate(-15px,20px) scale(.95); }
  }

  .hero-title {
    font-family: 'Roboto', sans-serif; font-size: clamp(2.8rem, 7vw, 5.5rem);
    font-weight: 800; line-height: 1.05; letter-spacing: -.03em; color: var(--dark);
    max-width: 800px; animation: fadeDown .7s ease .1s both;
  }
  .hero-title .accent { color: var(--teal); display: block; }
  .hero-sub {
    max-width: 520px; margin: 1.5rem auto 2.5rem; font-size: 1.1rem; line-height: 1.7;
    color: var(--muted); font-weight: 300; animation: fadeDown .7s ease .2s both;
  }
  .hero-btns { display: flex; gap: 14px; flex-wrap: wrap; justify-content: center; animation: fadeDown .7s ease .3s both; }

  .btn-primary {
    display: inline-flex; align-items: center; gap: 10px; background: var(--teal); color: #fff;
    border: none; border-radius: 16px; padding: 16px 30px; font-family: 'DM Sans', sans-serif;
    font-size: 1rem; font-weight: 500; cursor: pointer; text-decoration: none;
    box-shadow: 0 8px 32px rgba(1,195,208,.35); transition: all .2s;
  }
  .btn-primary:hover { background: var(--teal-dark); transform: translateY(-2px); box-shadow: 0 12px 40px rgba(1,195,208,.45); }
  .btn-secondary {
    display: inline-flex; align-items: center; gap: 10px; background: #fff; color: var(--dark);
    border: 1.5px solid #e5e7eb; border-radius: 16px; padding: 16px 30px;
    font-family: 'DM Sans', sans-serif; font-size: 1rem; font-weight: 500;
    cursor: pointer; text-decoration: none; transition: all .2s;
  }
  .btn-secondary:hover { border-color: var(--teal); color: var(--teal); transform: translateY(-2px); }

  .hero-stats { display: flex; gap: 3rem; flex-wrap: wrap; justify-content: center; margin-top: 4rem; animation: fadeUp .7s ease .5s both; }
  .stat { text-align: center; }
  .stat-num { font-family: 'Roboto', sans-serif; font-size: 2rem; font-weight: 800; color: var(--teal); }
  .stat-label { font-size: .82rem; color: var(--muted); margin-top: 2px; }

  .scroll-hint {
    position: absolute; bottom: 32px; display: flex; flex-direction: column; align-items: center; gap: 8px;
    font-size: .78rem; color: var(--muted); letter-spacing: .05em; animation: fadeIn 1s ease 1s both;
  }
  .scroll-line { width: 1px; height: 40px; background: linear-gradient(to bottom, var(--teal), transparent); animation: lineGrow 1.5s ease infinite; }
  @keyframes lineGrow { 0%,100% { opacity: 1; transform: scaleY(1); } 50% { opacity: .4; transform: scaleY(.6); } }

  /* ── SECTIONS ── */
  section { padding: 100px 6%; position: relative; }
  .section-label { display: inline-block; font-size: .78rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--teal); margin-bottom: 1rem; }
  .section-title { font-family: 'Roboto', sans-serif; font-size: clamp(2rem, 4vw, 3rem); font-weight: 800; line-height: 1.1; letter-spacing: -.02em; color: var(--dark); max-width: 600px; }
  .section-sub { margin-top: 1rem; font-size: 1rem; line-height: 1.7; color: var(--muted); max-width: 480px; font-weight: 300; }

  /* ── BUYER / SELLER FEATURE SECTIONS ── */
  .how { background: linear-gradient(135deg, var(--navy) 0%, #0d2535 100%); color: #fff; overflow: hidden; }
  .how .section-title { color: #fff; max-width: 100%; }
  .how .section-sub { color: rgba(255,255,255,.5); }

  .features { background: var(--off-white); }
  .features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; margin-top: 4rem; }

  .feature-card {
    background: #fff; border: 1.5px solid #eef2f0; border-radius: 24px; padding: 36px 30px;
    transition: all .3s; position: relative; overflow: hidden;
  }
  .feature-card::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
    background: linear-gradient(90deg, var(--teal), var(--green)); opacity: 0; transition: opacity .3s;
  }
  .feature-card:hover { transform: translateY(-6px); box-shadow: 0 20px 60px rgba(1,195,208,.12); border-color: var(--teal-mid); }
  .feature-card:hover::before { opacity: 1; }
  .feature-icon { width: 52px; height: 52px; background: var(--teal-light); border-radius: 14px; display: flex; align-items: center; justify-content: center; font-size: 1.5rem; margin-bottom: 1.2rem; }
  .how .feature-icon { background: rgba(1,195,208,.15); }
  .feature-title { font-family: 'Roboto', sans-serif; font-size: 1.1rem; font-weight: 700; color: var(--dark); margin-bottom: .6rem; }
  .how .feature-card { background: rgba(255,255,255,.04); border-color: rgba(255,255,255,.08); }
  .how .feature-card:hover { background: rgba(1,195,208,.08); border-color: rgba(1,195,208,.3); }
  .how .feature-title { color: #fff; }
  .how .feature-desc { color: rgba(255,255,255,.5); }
  .feature-desc { font-size: .88rem; line-height: 1.7; color: var(--muted); }

  /* ── CTA BUTTONS (section) ── */
  .cta-btns { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
  .btn-cta-white {
    display: inline-flex; align-items: center; gap: 10px; background: #fff; color: var(--teal);
    border: none; border-radius: 16px; padding: 16px 30px;
    font-family: 'DM Sans', sans-serif; font-size: 1rem; font-weight: 600;
    cursor: pointer; text-decoration: none; box-shadow: 0 8px 30px rgba(0,0,0,.15); transition: all .2s;
  }
  .btn-cta-white:hover { transform: translateY(-2px); box-shadow: 0 12px 40px rgba(0,0,0,.2); }
  .btn-cta-teal {
    display: inline-flex; align-items: center; gap: 10px; background: var(--teal); color: #fff;
    border: none; border-radius: 16px; padding: 16px 30px;
    font-family: 'DM Sans', sans-serif; font-size: 1rem; font-weight: 600;
    cursor: pointer; text-decoration: none; box-shadow: 0 8px 30px rgba(1,195,208,.35); transition: all .2s;
  }
  .btn-cta-teal:hover { background: var(--teal-dark); transform: translateY(-2px); }
  .btn-cta-ghost {
    display: inline-flex; align-items: center; gap: 10px; background: rgba(255,255,255,.15);
    color: #fff; border: 1.5px solid rgba(255,255,255,.4); border-radius: 16px; padding: 16px 30px;
    font-family: 'DM Sans', sans-serif; font-size: 1rem; font-weight: 500;
    cursor: pointer; text-decoration: none; transition: all .2s;
  }
  .btn-cta-ghost:hover { background: rgba(255,255,255,.25); transform: translateY(-2px); }

  /* ════════════════════════════════════════
     ── CARA KERJA — 2 TABS ──
  ════════════════════════════════════════ */
  .tabs-section {
    background: var(--off-white);
    padding: 100px 6%;
  }
  .tabs-header { text-align: center; margin-bottom: 3rem; }
  .tabs-header .section-title { margin: 0 auto; }
  .tabs-header .section-sub { margin: 1rem auto 0; text-align: center; }

  .tab-switcher {
    display: inline-flex;
    background: #e9f9fb;
    border: 1.5px solid var(--teal-mid);
    border-radius: 100px;
    padding: 5px;
    gap: 4px;
    margin: 2rem auto 0;
    display: flex;
    justify-content: center;
  }

  .tab-btn {
    padding: 12px 28px;
    border: none; border-radius: 100px;
    font-family: 'DM Sans', sans-serif; font-size: .95rem; font-weight: 500;
    cursor: pointer; transition: all .3s;
    color: var(--muted); background: transparent;
    display: flex; align-items: center; gap: 8px;
  }
  .tab-btn.active {
    background: var(--teal); color: #fff;
    box-shadow: 0 4px 20px rgba(1,195,208,.35);
  }
  .tab-btn:not(.active):hover { color: var(--teal); background: rgba(1,195,208,.08); }

  .tabs-content { margin-top: 3rem; }
  .tab-panel { display: none; }
  .tab-panel.active { display: block; animation: tabFade .4s ease; }
  @keyframes tabFade { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }

  .steps-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px; border-radius: 24px; overflow: hidden;
  }
  .step {
    background: #fff; border: 1.5px solid #eef2f0;
    border-radius: 24px; padding: 36px 28px;
    position: relative; transition: all .3s;
  }
  .step:hover { transform: translateY(-4px); box-shadow: 0 16px 50px rgba(1,195,208,.1); border-color: var(--teal-mid); }
  .step-number {
    font-family: 'Roboto', sans-serif; font-size: 3.5rem; font-weight: 800;
    color: rgba(1,195,208,.15); line-height: 1; margin-bottom: .8rem;
  }
  .step-icon { font-size: 2rem; margin-bottom: .8rem; display: block; }
  .step-title { font-family: 'Roboto', sans-serif; font-size: 1.1rem; font-weight: 700; color: var(--dark); margin-bottom: .5rem; }
  .step-desc { font-size: .88rem; line-height: 1.6; color: var(--muted); }

  /* connector line between steps */
  .steps-connector {
    display: flex; align-items: flex-start; gap: 0;
    margin-top: 2rem; position: relative;
  }

  /* ════════════════════════════════════════
     ── APP PREVIEW SECTION ──
  ════════════════════════════════════════ */
  .app-preview {
    background: linear-gradient(135deg, var(--navy) 0%, #0d2535 100%);
    padding: 100px 6%;
    overflow: hidden;
    position: relative;
  }
  .app-preview::before {
    content: '';
    position: absolute; inset: 0;
    background: radial-gradient(ellipse at 20% 50%, rgba(1,195,208,.12) 0%, transparent 60%),
                radial-gradient(ellipse at 80% 50%, rgba(0,229,160,.08) 0%, transparent 60%);
  }

  .app-preview-inner {
    position: relative; z-index: 1;
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 80px; align-items: center;
  }

  .app-preview-text .section-title { color: #fff; max-width: 100%; }
  .app-preview-text .section-sub { color: rgba(255,255,255,.55); max-width: 100%; }

  .app-preview-features {
    margin-top: 2rem; display: flex; flex-direction: column; gap: 16px;
  }
  .ap-feature {
    display: flex; align-items: flex-start; gap: 14px;
    padding: 16px 18px;
    background: rgba(255,255,255,.04);
    border: 1px solid rgba(255,255,255,.07);
    border-radius: 16px;
    transition: all .3s;
  }
  .ap-feature:hover { background: rgba(1,195,208,.1); border-color: rgba(1,195,208,.25); }
  .ap-feature-icon { font-size: 1.4rem; flex-shrink: 0; margin-top: 2px; }
  .ap-feature-title { font-size: .95rem; font-weight: 600; color: #fff; margin-bottom: 3px; }
  .ap-feature-desc { font-size: .82rem; color: rgba(255,255,255,.45); line-height: 1.5; }

  .app-preview-download {
    display: flex; gap: 12px; flex-wrap: wrap; margin-top: 2.5rem;
  }

  /* Phones cluster */
  .phones-cluster {
    position: relative; height: 580px; display: flex; align-items: center; justify-content: center;
  }

  /* shared phone style */
  .p-device {
    position: absolute;
    border-radius: 38px;
    border: 5px solid;
    overflow: hidden;
    box-shadow: 0 40px 100px rgba(0,0,0,.5);
  }

  .p-main {
    width: 240px; height: 480px;
    border-color: #2a3a4a;
    background: #0d1f2d;
    top: 50%; left: 50%; transform: translate(-50%, -50%);
    z-index: 3;
    animation: phoneFloat1 5s ease-in-out infinite;
  }
  .p-left {
    width: 200px; height: 400px;
    border-color: #1e2e3e;
    background: #091828;
    top: 50%; left: 50%;
    transform: translate(calc(-50% - 130px), calc(-50% + 30px)) rotate(-8deg);
    z-index: 2;
    animation: phoneFloat2 6s ease-in-out infinite 1s;
  }
  .p-right {
    width: 200px; height: 400px;
    border-color: #1e2e3e;
    background: #091828;
    top: 50%; left: 50%;
    transform: translate(calc(-50% + 130px), calc(-50% + 30px)) rotate(8deg);
    z-index: 2;
    animation: phoneFloat3 7s ease-in-out infinite .5s;
  }

  @keyframes phoneFloat1 { 0%,100% { margin-top: 0; } 50% { margin-top: -16px; } }
  @keyframes phoneFloat2 { 0%,100% { margin-top: 0; } 50% { margin-top: -10px; } }
  @keyframes phoneFloat3 { 0%,100% { margin-top: 0; } 50% { margin-top: -12px; } }

  /* Screen content for main phone */
  .p-screen {
    position: absolute; inset: 0;
    display: flex; flex-direction: column;
    overflow: hidden;
  }

  /* Main phone — Buyer screen */
  .ps-buyer {
    background: linear-gradient(160deg, #01C3D0 0%, #007a85 35%, #0a1628 100%);
    padding: 0px 0px 0px;
    align-items: center;
  }

  .p-preview img{
  object-fit: cover;
  border-radius: 20px; /* biar ikut shape HP */
}
  .ps-notch {
    position: absolute; top: 8px; left: 50%; transform: translateX(-50%);
    width: 80px; height: 22px; background: rgba(0,0,0,.4); border-radius: 0 0 16px 16px;
  }
  .ps-header { text-align: center; margin-bottom: 14px; }
  .ps-logo { font-family: 'Roboto', sans-serif; font-size: 1rem; font-weight: 800; color: #fff; }
  .ps-sub { font-size: .58rem; color: rgba(255,255,255,.5); }

  .ps-searchbar {
    width: 100%; background: rgba(255,255,255,.15); border: 1px solid rgba(255,255,255,.2);
    border-radius: 12px; padding: 8px 12px; display: flex; align-items: center; gap: 6px;
    margin-bottom: 12px;
  }
  .ps-searchbar span { font-size: .6rem; color: rgba(255,255,255,.5); }

  .ps-categories { display: flex; gap: 6px; width: 100%; margin-bottom: 12px; overflow: hidden; }
  .ps-cat {
    flex-shrink: 0; background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.15);
    border-radius: 100px; padding: 4px 10px; font-size: .52rem; color: rgba(255,255,255,.7);
  }
  .ps-cat.active { background: #fff; color: var(--teal-dark); font-weight: 600; }

  .ps-products { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; width: 100%; }
  .ps-product {
    background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.15);
    border-radius: 14px; overflow: hidden;
  }
  .ps-product-img {
    height: 58px; display: flex; align-items: center; justify-content: center;
    font-size: 1.5rem; background: rgba(255,255,255,.08);
  }
  .ps-product-info { padding: 7px 8px; }
  .ps-product-name { font-size: .55rem; color: #fff; font-weight: 500; margin-bottom: 2px; }
  .ps-product-price { font-size: .6rem; color: #00E5A0; font-weight: 700; }

  /* Left phone — seller stats */
  .ps-seller {
    background: linear-gradient(160deg, #0a1628 0%, #0d2535 100%);
    padding: 0px 0px 0px;
  }
  .p-preview img{
  object-fit: cover;
  border-radius: 20px; /* biar ikut shape HP */
  }
  .ps-seller .ps-notch { background: rgba(0,0,0,.6); }
  .pss-title { font-family: 'Roboto', sans-serif; font-size: .75rem; font-weight: 700; color: #fff; margin-bottom: 10px; text-align: center; }
  .pss-stat-card {
    background: rgba(1,195,208,.12); border: 1px solid rgba(1,195,208,.2);
    border-radius: 12px; padding: 10px 12px; margin-bottom: 8px;
  }
  .pss-label { font-size: .52rem; color: rgba(255,255,255,.5); margin-bottom: 3px; }
  .pss-value { font-family: 'Roboto', sans-serif; font-size: 1.1rem; font-weight: 800; color: var(--teal); }
  .pss-orders { display: flex; flex-direction: column; gap: 5px; margin-top: 8px; }
  .pss-order { display: flex; align-items: center; gap: 8px; background: rgba(255,255,255,.05); border-radius: 10px; padding: 7px 9px; }
  .pss-order-dot { width: 6px; height: 6px; border-radius: 50%; flex-shrink: 0; }
  .pss-order-name { font-size: .53rem; color: rgba(255,255,255,.7); flex: 1; }
  .pss-order-status { font-size: .5rem; font-weight: 600; }

  /* Right phone — checkout */
  .ps-checkout {
    background: linear-gradient(160deg, #f8fffe 0%, #e8f9fb 100%);
    padding: 0px 0px 0px;
  }
  .p-preview img{
  object-fit: cover;
  border-radius: 20px; /* biar ikut shape HP */
  }
  .ps-checkout .ps-notch { background: rgba(0,0,0,.15); }
  .psc-title { font-family: 'Roboto', sans-serif; font-size: .75rem; font-weight: 700; color: var(--dark); margin-bottom: 10px; }
  .psc-item { display: flex; align-items: center; gap: 8px; background: #fff; border-radius: 12px; padding: 8px 10px; margin-bottom: 6px; box-shadow: 0 2px 8px rgba(0,0,0,.06); }
  .psc-item-img { width: 30px; height: 30px; border-radius: 8px; background: var(--teal-light); display: flex; align-items: center; justify-content: center; font-size: .9rem; flex-shrink: 0; }
  .psc-item-name { font-size: .55rem; color: var(--dark); font-weight: 500; flex: 1; }
  .psc-item-price { font-size: .6rem; font-weight: 700; color: var(--teal-dark); }
  .psc-divider { height: 1px; background: #eef2f0; margin: 8px 0; }
  .psc-total { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
  .psc-total-label { font-size: .6rem; color: var(--muted); }
  .psc-total-value { font-family: 'Roboto', sans-serif; font-size: .85rem; font-weight: 800; color: var(--dark); }
  .psc-btn { width: 100%; background: var(--teal); color: #fff; border: none; border-radius: 10px; padding: 9px; font-size: .6rem; font-weight: 600; text-align: center; }

  /* glow under phones */
  .phones-glow {
    position: absolute; bottom: -40px; left: 50%; transform: translateX(-50%);
    width: 300px; height: 120px;
    background: var(--teal);
    border-radius: 50%; filter: blur(60px); opacity: .2; pointer-events: none;
  }

  /* ── IMPACT ── */
  .impact { background: linear-gradient(135deg, #e8fffe 0%, #f0fff8 100%); text-align: center; }
  .impact-title { margin: 0 auto; text-align: center; }
  .impact-sub { margin: 1rem auto 0; text-align: center; }
  .impact-numbers { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 24px; margin-top: 4rem; }
  .impact-card { background: #fff; border-radius: 24px; padding: 40px 24px; box-shadow: 0 4px 30px rgba(1,195,208,.08); border: 1.5px solid rgba(1,195,208,.1); transition: transform .3s; }
  .impact-card:hover { transform: translateY(-4px); }
  .impact-emoji { font-size: 2.5rem; margin-bottom: 1rem; display: block; }
  .impact-num { font-family: 'Roboto', sans-serif; font-size: 2.8rem; font-weight: 800; color: var(--teal); line-height: 1; }
  .impact-desc { font-size: .9rem; color: var(--muted); margin-top: .5rem; }

  /* ── TESTIMONIALS ── */
  .testimonials { background: #fff; }
  .testi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; margin-top: 4rem; }
  .testi-card { background: var(--off-white); border: 1.5px solid #eef2f0; border-radius: 24px; padding: 30px; transition: all .3s; }
  .testi-card:hover { box-shadow: 0 12px 40px rgba(1,195,208,.1); border-color: var(--teal-mid); }
  .testi-stars { color: #fbbf24; font-size: 1rem; margin-bottom: 1rem; }
  .testi-text { font-size: .92rem; line-height: 1.7; color: var(--dark); font-style: italic; margin-bottom: 1.2rem; }
  .testi-author { display: flex; align-items: center; gap: 10px; }
  .testi-avatar { width: 38px; height: 38px; border-radius: 50%; background: linear-gradient(135deg, var(--teal), var(--green)); display: flex; align-items: center; justify-content: center; font-size: .85rem; font-weight: 700; color: #fff; }
  .testi-name { font-size: .88rem; font-weight: 600; color: var(--dark); }
  .testi-city { font-size: .78rem; color: var(--muted); }

  /* ── CTA SECTION ── */
  .cta-section { background: linear-gradient(135deg, var(--teal) 0%, #00a8b5 50%, #007a85 100%); text-align: center; color: #fff; position: relative; overflow: hidden; }
  .cta-section::before { content: ''; position: absolute; inset: 0; background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Ccircle cx='30' cy='30' r='2'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E"); }
  .cta-content { position: relative; z-index: 1; }
  .cta-title { font-family: 'Roboto', sans-serif; font-size: clamp(2rem, 5vw, 3.5rem); font-weight: 800; line-height: 1.1; letter-spacing: -.02em; margin-bottom: 1rem; }
  .cta-sub { font-size: 1.1rem; opacity: .8; margin-bottom: 2.5rem; font-weight: 300; }

  /* ── FOOTER ── */
  footer { background: var(--navy); color: rgba(255,255,255,.5); padding: 60px 6% 40px; }
  .footer-top { display: flex; justify-content: space-between; align-items: flex-start; flex-wrap: wrap; gap: 2rem; margin-bottom: 3rem; padding-bottom: 3rem; border-bottom: 1px solid rgba(255,255,255,.08); }
  .footer-brand .nav-logo { font-size: 1.8rem; }
  .footer-tagline { font-size: .85rem; margin-top: .5rem; line-height: 1.6; max-width: 220px; }
  .footer-links h4 { font-family: 'Roboto', sans-serif; font-size: .85rem; font-weight: 700; color: #fff; margin-bottom: 1rem; letter-spacing: .05em; text-transform: uppercase; }
  .footer-links ul { list-style: none; }
  .footer-links li { margin-bottom: .6rem; }
  .footer-links a { font-size: .85rem; color: rgba(255,255,255,.4); text-decoration: none; transition: color .2s; }
  .footer-links a:hover { color: var(--teal); }
  .footer-bottom { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; font-size: .8rem; }
  .footer-socials { display: flex; gap: 12px; }
  .social-btn { width: 36px; height: 36px; background: rgba(255,255,255,.06); border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 1rem; text-decoration: none; transition: background .2s; }
  .social-btn:hover { background: var(--teal); }

  /* ── ANIMATIONS ── */
  @keyframes fadeDown { from { opacity: 0; transform: translateY(-20px); } to { opacity: 1; transform: translateY(0); } }
  @keyframes fadeUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
  @keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
  .reveal { opacity: 0; transform: translateY(30px); transition: opacity .7s ease, transform .7s ease; }
  .reveal.visible { opacity: 1; transform: translateY(0); }

  /* ── RESPONSIVE ── */
  @media (max-width: 900px) {
    .app-preview-inner { grid-template-columns: 1fr; gap: 40px; }
    .phones-cluster { height: 380px; }
    .p-main { width: 180px; height: 360px; }
    .p-left, .p-right { width: 150px; height: 300px; display: none; }
  }
  @media (max-width: 768px) {
    nav { padding: 14px 5%; }
    .nav-links { display: none; }
    .hero { padding: 100px 5% 60px; }
    section, .tabs-section, .app-preview { padding: 70px 5%; }
    .hero-stats { gap: 2rem; }
    .footer-top { flex-direction: column; }
    .tab-btn { padding: 10px 18px; font-size: .85rem; }
  }