:root{
    --bg-900:#F6FBFB;
    --bg-800:#EFF7F7;
    --bg-700:#E7F2F2;
    --card-grad: linear-gradient(160deg, rgba(3,133,173,0.07), rgba(31,206,171,0.05)), #FFFFFF;
    --card-grad-2: linear-gradient(160deg, rgba(248,187,48,0.14), rgba(31,206,171,0.08));
    --border: rgba(2,118,159,0.14);
    --border-strong: rgba(2,118,159,0.30);
    --shadow-hover: 0 18px 40px -18px rgba(3,133,173,0.28);
    --ink:#04303D;
    --ink-soft:#4C6E76;
    --ink-faint:#5C7A80;
    --teal-700:#02769F;
    --teal-500:#0385AD;
    --teal-glow:#04829E;
    --green-500:#1FCEAB;
    --gold-500:#F8BB30;
    --gold-600:#F8B323;
    --gold-highlight:#FEE174;
    --cool-grad: linear-gradient(90deg, var(--teal-700) 0%, var(--green-500) 55%, var(--teal-500) 100%);
    --warm-grad: linear-gradient(135deg, var(--gold-500) 0%, var(--gold-600) 70%);
    --wallet-grad: linear-gradient(135deg, var(--teal-700) 0%, var(--teal-500) 45%, var(--green-500) 100%);
    --shadow-warm: 0 10px 28px -8px rgba(248,179,35,0.35);
    --shadow-cool: 0 20px 50px -30px rgba(2,118,159,0.22);
    --radius-lg: 26px;
    --radius-md: 18px;
  }
  *{box-sizing:border-box;}
  html{color-scheme:light;}
  body{
    margin:0;
    background:
      radial-gradient(680px 420px at 12% -6%, rgba(3,133,173,0.09), transparent 60%),
      radial-gradient(600px 380px at 92% 8%, rgba(31,206,171,0.08), transparent 60%),
      #FFFFFF;
    color:var(--ink);
    font-family:"Inter", ui-sans-serif, system-ui, -apple-system, sans-serif;
    font-size:16px;
    line-height:1.6;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  h1,h2,h3{ font-family:"Sora","Inter",sans-serif; line-height:1.1; letter-spacing:-0.01em; text-wrap:balance; margin:0; }
  em{ font-family:"Fraunces","Georgia",serif; font-style:italic; font-weight:500; }
  .grad-text{
    background:var(--cool-grad);
    -webkit-background-clip:text; background-clip:text; color:transparent;
  }
  .grad-text-warm{
    background:var(--warm-grad);
    -webkit-background-clip:text; background-clip:text; color:transparent;
  }
  .eyebrow{
    font-family:"JetBrains Mono", ui-monospace, monospace;
    font-size:0.74rem; letter-spacing:0.16em; text-transform:uppercase;
    color:var(--teal-glow);
    display:inline-flex; align-items:center; gap:9px;
  }
  .eyebrow .dot{ width:6px;height:6px;border-radius:50%; background:var(--green-500); box-shadow:0 0 10px var(--green-500); flex:none; animation:blink 2.2s infinite; }
  a{color:inherit;}
  img,svg{max-width:100%;}
  .wrap{ max-width:1180px; margin:0 auto; padding-inline:24px; position:relative; z-index:1; }
  section{ padding-block: clamp(52px, 8vw, 104px); position:relative; }

  /* ---------- Ambient motion ---------- */
  .orb-field{ position:fixed; inset:0; overflow:hidden; z-index:0; pointer-events:none; }
  .orb{ position:absolute; border-radius:50%; filter:blur(100px); opacity:0.35; }
  .orb-1{ width:520px; height:520px; top:-160px; left:-100px; background:radial-gradient(circle, rgba(31,206,171,0.45), transparent 70%); animation:drift1 21s ease-in-out infinite alternate; }
  .orb-2{ width:600px; height:600px; top:6%; right:-200px; background:radial-gradient(circle, rgba(3,133,173,0.4), transparent 70%); animation:drift2 25s ease-in-out infinite alternate; }
  .orb-3{ width:460px; height:460px; bottom:-140px; left:32%; background:radial-gradient(circle, rgba(248,187,48,0.28), transparent 70%); animation:drift1 29s ease-in-out infinite alternate-reverse; }
  @keyframes drift1{ 0%{ transform:translate(0,0) scale(1); } 100%{ transform:translate(60px,45px) scale(1.12); } }
  @keyframes drift2{ 0%{ transform:translate(0,0) scale(1.06); } 100%{ transform:translate(-70px,55px) scale(0.95); } }
  @keyframes blink{ 0%,100%{ opacity:1; } 50%{ opacity:0.3; } }
  @keyframes bounce{ 0%,60%,100%{ transform:none; } 30%{ transform:translateY(-5px); } }
  .typing{ display:none; gap:5px; align-items:center; padding:9px 12px; align-self:flex-start; }
  .typing.show{ display:inline-flex; }
  .typing i{ width:6px;height:6px;border-radius:50%; background:var(--teal-glow); animation:bounce 1.1s infinite; font-style:normal; }
  .typing i:nth-child(2){ animation-delay:0.15s; }
  .typing i:nth-child(3){ animation-delay:0.3s; }

  .reveal{ opacity:0; transform:translateY(24px); transition:opacity 0.7s, transform 0.7s; }
  .reveal.on{ opacity:1; transform:none; }
  @media (prefers-reduced-motion: reduce){
    .orb, .eyebrow .dot, .typing i{ animation:none !important; }
    .reveal{ opacity:1; transform:none; transition:none; }
  }

  /* ---------- Header ---------- */
  header.site{
    position:sticky; top:env(safe-area-inset-top,0px); z-index:50;
    background:rgba(255,255,255,0.78);
    backdrop-filter:blur(14px);
    border-bottom:1px solid var(--border);
  }
  .nav{ max-width:1180px; margin:0 auto; padding:14px 24px; display:flex; align-items:center; justify-content:space-between; gap:16px; }
  .brand{ display:flex; align-items:center; gap:10px; font-weight:700; font-size:1.02rem; font-family:"Sora",sans-serif; white-space:nowrap; }
  .brand small{ display:block; font-family:"Inter",sans-serif; font-weight:500; font-size:0.6rem; letter-spacing:0.09em; text-transform:uppercase; color:var(--ink-faint); }
  .logo-mark{width:36px;height:36px;flex:none;border-radius:50%;}
  .nav-links{ display:flex; gap:26px; font-size:0.9rem; font-weight:600; }
  .nav-links a{ text-decoration:none; color:var(--ink-soft); transition:color .15s; }
  .nav-links a:hover{ color:var(--teal-glow); }
  .nav-right{ display:flex; align-items:center; gap:12px; }
  .lang-toggle{ display:flex; border:1px solid var(--border); border-radius:999px; padding:3px; background:rgba(2,118,159,0.05); gap:2px; }
  .lang-toggle button{ border:none; background:transparent; font:inherit; font-family:"JetBrains Mono",monospace; font-size:0.72rem; letter-spacing:0.05em; padding:6px 13px; border-radius:999px; cursor:pointer; color:var(--ink-soft); }
  .lang-toggle button[aria-pressed="true"]{ background:var(--wallet-grad); color:#04181C; font-weight:700; }

  .btn{ display:inline-flex; align-items:center; gap:8px; padding:13px 26px; border-radius:999px; font-weight:700; font-size:0.92rem; text-decoration:none; border:1px solid transparent; cursor:pointer; white-space:nowrap; font-family:"Sora",sans-serif; transition:transform 0.2s, box-shadow 0.3s, filter 0.2s; }
  .btn-primary{ background:var(--warm-grad); color:#22160A; box-shadow:var(--shadow-warm); }
  .btn-primary:hover{ filter:brightness(1.06); transform:translateY(-2px); box-shadow:0 14px 40px -10px rgba(248,179,35,0.5); }
  .btn-outline{ background:transparent; border-color:var(--border-strong); color:var(--teal-glow); }
  .btn-outline:hover{ border-color:var(--teal-glow); background:rgba(2,118,159,0.06); }
  .btn-sm{ padding:9px 18px; font-size:0.8rem; }
  .link-arrow{ text-decoration:underline; text-underline-offset:4px; color:var(--ink-soft); font-weight:600; font-size:0.92rem; }
  .link-arrow:hover{ color:var(--teal-glow); }

  /* ---------- Hero ---------- */
  .hero{ text-align:center; padding-top:clamp(56px,8vw,96px); padding-bottom:24px; }
  .hero-inner{ max-width:760px; margin:0 auto; display:flex; flex-direction:column; align-items:center; gap:20px; }
  .badge-pill{ display:inline-flex; align-items:center; gap:9px; padding:8px 18px; border-radius:999px; border:1px solid var(--border-strong); background:rgba(2,118,159,0.05); }
  .hero h1{ font-size:clamp(2.1rem,5.2vw,3.4rem); }
  .hero h1 .line2{ display:block; margin-top:4px; }
  .hero p.lede{ font-size:1.08rem; color:var(--ink-soft); max-width:56ch; }
  .hero p.lede b{ color:var(--ink); font-weight:700; }
  .chip-row{ display:flex; gap:10px; flex-wrap:wrap; justify-content:center; }
  .chip{ padding:9px 16px; border-radius:999px; border:1px solid var(--border); background:rgba(2,118,159,0.04); font-size:0.84rem; font-weight:600; color:var(--ink-soft); }
  .hero-ctas{ display:flex; flex-direction:column; align-items:center; gap:10px; margin-top:6px; }
  .cta-note{ font-size:0.82rem; color:var(--ink-faint); }

  /* ---------- Live preview card ---------- */
  .preview-card{
    max-width:420px; margin:36px auto 0;
    border-radius:var(--radius-lg);
    border:1px solid var(--border-strong);
    background:linear-gradient(180deg, rgba(3,133,173,0.04), rgba(255,255,255,0.4)), #FFFFFF;
    box-shadow:var(--shadow-cool);
    overflow:hidden;
    position:relative;
    transition:transform 0.35s, box-shadow 0.35s;
  }
  .preview-card::before{ content:""; position:absolute; top:0; left:0; right:0; height:3px; background:var(--cool-grad); }
  .preview-card:hover{ transform:translateY(-4px); box-shadow:var(--shadow-hover); }
  .preview-head{ display:flex; align-items:center; justify-content:space-between; padding:16px 18px; border-bottom:1px solid var(--border); }
  .preview-head .who{ display:flex; align-items:center; gap:10px; }
  .avatar-mark{ width:34px;height:34px;border-radius:50%; }
  .preview-head b{ font-family:"Sora",sans-serif; font-size:0.92rem; display:block; }
  .preview-head .online{ font-size:0.72rem; color:#0E8F73; display:flex; align-items:center; gap:5px; }
  .preview-head .online .dot{ width:6px;height:6px;border-radius:50%;background:var(--green-500); box-shadow:0 0 8px var(--green-500); }
  .preview-head time{ font-size:0.72rem; color:var(--ink-faint); font-family:"JetBrains Mono",monospace; }
  .preview-body{ padding:20px 18px; display:flex; flex-direction:column; gap:12px; }
  .pass-shot{ display:block; width:100%; border-radius:16px; box-shadow:0 10px 26px -12px rgba(2,118,159,0.35); }
  .preview-foot{ text-align:center; padding:14px 18px 20px; font-size:0.86rem; color:var(--ink-soft); border-top:1px solid var(--border); }
  .preview-foot b{ color:var(--teal-glow); }

  /* ---------- Stats ---------- */
  .stat-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:16px; }
  @media (max-width:820px){ .stat-grid{ grid-template-columns:repeat(2,1fr); } }
  .stat-card{ position:relative; overflow:hidden; border-radius:20px; padding:28px 22px 24px; border:1px solid var(--border); background:var(--card-grad); transition:transform 0.3s, box-shadow 0.3s, border-color 0.3s; }
  .stat-card::before{ content:""; position:absolute; top:0; left:0; right:0; height:3px; background:var(--cool-grad); }
  .stat-card:hover{ transform:translateY(-5px); box-shadow:var(--shadow-hover); border-color:var(--border-strong); }
  .stat-card b{ display:block; font-family:"Sora",sans-serif; font-size:clamp(1.9rem,3.4vw,2.4rem); background:var(--cool-grad); -webkit-background-clip:text; background-clip:text; color:transparent; }
  .stat-card span{ font-size:0.86rem; color:var(--ink-soft); }

  .section-head{ max-width:640px; margin-inline:auto; text-align:center; margin-bottom:44px; }
  .section-head h2{ font-size:clamp(1.9rem,3.6vw,2.5rem); margin-top:14px; }
  .section-head p{ color:var(--ink-soft); margin-top:14px; font-size:1.02rem; }

  /* ---------- Numbered carousel ---------- */
  .carousel{ display:flex; gap:18px; overflow-x:auto; scroll-snap-type:x mandatory; padding:6px 24px 22px; margin-inline:-24px; -webkit-overflow-scrolling:touch; }
  .carousel::-webkit-scrollbar{ height:6px; }
  .carousel::-webkit-scrollbar-thumb{ background:var(--border-strong); border-radius:99px; }
  .type-card{ position:relative; overflow:hidden; flex:0 0 272px; scroll-snap-align:start; border-radius:var(--radius-md); border:1px solid var(--border); background:var(--card-grad); padding:22px 20px 20px; display:flex; flex-direction:column; gap:14px; transition:transform 0.3s, box-shadow 0.3s, border-color 0.3s; }
  .type-card::before{ content:""; position:absolute; top:0; left:0; right:0; height:3px; background:var(--cool-grad); }
  .type-card:hover{ transform:translateY(-5px); box-shadow:var(--shadow-hover); border-color:var(--border-strong); }
  .type-card .num{ font-family:"JetBrains Mono",monospace; font-size:0.74rem; letter-spacing:0.1em; color:var(--teal-glow); font-weight:600; }
  .type-card .who{ display:flex; align-items:center; gap:10px; }
  .type-icon{ width:34px;height:34px;border-radius:10px; background:var(--wallet-grad); display:flex; align-items:center; justify-content:center; font-size:1rem; flex:none; }
  .type-card h3{ font-size:0.98rem; }
  .type-chat{ display:flex; flex-direction:column; gap:8px; }
  .tbubble{ padding:9px 12px; border-radius:13px; font-size:0.8rem; line-height:1.4; max-width:92%; opacity:0; transform:translateY(10px); transition:opacity 0.4s, transform 0.4s; }
  .tbubble.show{ opacity:1; transform:none; }
  .tbubble.cli{ background:rgba(2,118,159,0.06); align-self:flex-start; border-bottom-left-radius:4px; color:var(--ink-soft); }
  .tbubble.age{ background:var(--card-grad-2); border:1px solid var(--border); align-self:flex-end; border-bottom-right-radius:4px; color:var(--ink); font-weight:600; }
  .status-pill{ align-self:flex-start; font-size:0.72rem; font-weight:700; color:#0E8F73; background:rgba(31,206,171,0.12); border:1px solid rgba(31,206,171,0.35); padding:5px 12px; border-radius:999px; opacity:0; transform:translateY(10px); transition:opacity 0.4s, transform 0.4s; }
  .status-pill.show{ opacity:1; transform:none; }

  /* ---------- AI agent panel (reuse preview style) ---------- */
  .agent-panel{ max-width:640px; margin:0 auto; }
  .agent-copy{ max-width:640px; margin:0 auto 40px; text-align:center; }
  .agent-copy .eyebrow{ justify-content:center; }
  .agent-list{ list-style:none; margin:28px auto 0; padding:0; display:grid; grid-template-columns:repeat(2,1fr); gap:14px; max-width:760px; text-align:left; }
  @media (max-width:700px){ .agent-list{ grid-template-columns:1fr; } }
  .agent-list li{ display:flex; gap:10px; align-items:flex-start; font-size:0.9rem; color:var(--ink-soft); border:1px solid var(--border); background:var(--card-grad); border-radius:14px; padding:14px 16px; transition:transform 0.3s, box-shadow 0.3s, border-color 0.3s; }
  .agent-list li:hover{ transform:translateY(-3px); box-shadow:var(--shadow-hover); border-color:var(--border-strong); }
  .agent-list .check{ width:20px;height:20px;flex:none;border-radius:6px; background:var(--wallet-grad); display:flex; align-items:center; justify-content:center; font-size:0.68rem; color:#04181C; margin-top:1px; }

  /* ---------- Process ---------- */
  .steps{ display:grid; grid-template-columns:repeat(4,1fr); gap:18px; }
  @media (max-width:900px){ .steps{ grid-template-columns:repeat(2,1fr); } }
  @media (max-width:520px){ .steps{ grid-template-columns:1fr; } }
  .step{ position:relative; overflow:hidden; border-radius:var(--radius-md); border:1px solid var(--border); background:var(--card-grad); padding:26px 20px 22px; transition:transform 0.3s, box-shadow 0.3s, border-color 0.3s; }
  .step::before{ content:""; position:absolute; top:0; left:0; right:0; height:3px; background:var(--cool-grad); }
  .step:hover{ transform:translateY(-5px); box-shadow:var(--shadow-hover); border-color:var(--border-strong); }
  .step .num{ font-family:"Sora",sans-serif; font-weight:800; font-size:2.2rem; }
  .step h3{ font-size:1rem; margin:10px 0 6px; }
  .step p{ font-size:0.87rem; color:var(--ink-soft); margin:0; }
  .compat{ display:flex; gap:12px; flex-wrap:wrap; justify-content:center; margin-top:36px; }
  .compat span{ display:flex; align-items:center; gap:8px; padding:9px 16px; border:1px solid var(--border); border-radius:999px; font-size:0.82rem; font-weight:600; color:var(--ink-soft); }

  /* ---------- Final CTA ---------- */
  .contact-card,
  .cta-final{ border-radius:var(--radius-lg); border:1px solid var(--border-strong); background:linear-gradient(160deg, rgba(3,133,173,0.14), rgba(31,206,171,0.03)); padding:clamp(40px,7vw,68px); text-align:center; }
  .cta-final h2{ font-size:clamp(1.9rem,4vw,2.6rem); }
  .cta-final p{ color:var(--ink-soft); max-width:52ch; margin:14px auto 26px; }
  .cta-final .row{ display:flex; gap:18px; flex-wrap:wrap; align-items:center; justify-content:center; }
  .contact-card{ text-align:left; }
  .contact-form{ margin-top:28px; display:grid; gap:16px; max-width:760px; margin-inline:auto; }
  .contact-grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:16px; }
  @media (max-width:700px){ .contact-grid{ grid-template-columns:1fr; } }
  .field{ display:flex; flex-direction:column; gap:8px; text-align:left; }
  .field label{ font-family:"JetBrains Mono",monospace; font-size:0.74rem; letter-spacing:0.08em; text-transform:uppercase; color:var(--ink-faint); }
  .field input,
  .field textarea{
    width:100%;
    border-radius:16px;
    border:1px solid var(--border);
    background:rgba(255,255,255,0.86);
    padding:14px 16px;
    font:inherit;
    color:var(--ink);
    outline:none;
    box-shadow:0 0 0 0 rgba(3,133,173,0);
    transition:border-color .2s, box-shadow .2s, transform .2s;
  }
  .field textarea{ min-height:150px; resize:vertical; }
  .field input:focus,
  .field textarea:focus{ border-color:var(--teal-glow); box-shadow:0 0 0 4px rgba(3,133,173,0.08); }
  .contact-actions{ display:flex; justify-content:flex-start; margin-top:4px; }
  .contact-note{ font-size:0.82rem; color:var(--ink-faint); margin:0; }

  /* ---------- Footer ---------- */
  footer{ padding-block:44px 40px; border-top:1px solid var(--border); }
  .foot-grid{ display:flex; justify-content:space-between; gap:24px; flex-wrap:wrap; }
  .foot-brand p{ color:var(--ink-soft); font-size:0.86rem; max-width:32ch; margin-top:10px; }
  .foot-cols{ display:flex; gap:56px; flex-wrap:wrap; }
  .foot-col h4{ font-size:0.76rem; text-transform:uppercase; letter-spacing:0.08em; color:var(--ink-faint); margin-bottom:12px; font-family:"JetBrains Mono",monospace; font-weight:600; }
  .foot-col a{ display:block; font-size:0.9rem; margin-bottom:9px; text-decoration:none; color:var(--ink-soft); }
  .foot-col a:hover{ color:var(--teal-glow); }
  .foot-bottom{ margin-top:36px; padding-top:20px; border-top:1px solid var(--border); display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px; font-size:0.78rem; color:var(--ink-faint); }

  /* ---------- Mobile header fix ---------- */
  @media (max-width:760px){
    .nav{ padding:12px 16px; gap:10px; }
    .nav-links{ display:none; }
    .brand{ font-size:0.92rem; gap:8px; }
    .brand small{ display:none; }
    .logo-mark{ width:30px; height:30px; }
    .lang-toggle button{ padding:5px 10px; font-size:0.66rem; }
    .btn-sm{ padding:8px 14px; font-size:0.78rem; }
    .nav-right{ gap:8px; }
  }
  @media (max-width:380px){
    .btn-sm span{ display:none; }
  }