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

    :root {
      --sky:       #87cefa;
      --sky-dark:  #5bb8f5;
      --sky-light: #c5e8fd;
      --sky-pale:  #eaf6ff;
      --ink:       #0f1923;
      --ink-soft:  #344151;
      --muted:     #657080;
      --white:     #ffffff;
      --off:       #f7fbff;
      --border:    #d4eaf8;
      --gold:      #e8a818;

      --font-head: 'Playfair Display', Georgia, serif;
      --font-body: 'Inter', system-ui, sans-serif;
    }

    html { scroll-behavior: smooth; }

    body {
      background: var(--white);
      color: var(--ink);
      font-family: var(--font-body);
      font-size: 16px;
      line-height: 1.65;
      overflow-x: hidden;
    }

    /* ── Nav ──────────────────────────────────────── */
    nav {
      position: fixed; top: 0; left: 0; right: 0;
      z-index: 100;
      background: rgba(255,255,255,.95);
      backdrop-filter: blur(16px);
      border-bottom: 1px solid var(--border);
    }
    .nav-inner {
      max-width: 1160px; margin: 0 auto; padding: 0 28px;
      display: flex; align-items: center; justify-content: space-between;
      height: 68px;
    }
    .nav-logo { display: flex; align-items: center; gap: 12px; text-decoration: none; }
    .nav-logo img { height: 46px; width: auto; }
    .nav-logo-text .school {
      font-family: var(--font-head); font-weight: 700; font-size: 15px;
      color: var(--ink); line-height: 1;
    }
    .nav-logo-text .service {
      font-size: 11px; color: var(--sky-dark); font-weight: 600;
      letter-spacing: .06em; text-transform: uppercase;
    }
    .nav-links { display: flex; align-items: center; gap: 28px; }
    .nav-links a {
      text-decoration: none; font-size: 14px; font-weight: 500;
      color: var(--ink-soft); transition: color .2s;
    }
    .nav-links a:hover { color: var(--sky-dark); }
    .btn-nav {
      background: var(--sky); color: var(--ink) !important;
      padding: 9px 20px; border-radius: 8px;
      font-weight: 600 !important; font-size: 14px !important;
      transition: background .2s, box-shadow .2s !important;
    }
    .btn-nav:hover { background: var(--sky-dark) !important; box-shadow: 0 4px 16px rgba(135,206,250,.5) !important; }
    .nav-burger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; }
    .nav-burger span { display: block; width: 22px; height: 2px; background: var(--ink); border-radius: 2px; transition: .3s; }
    .mobile-menu {
      display: none; position: fixed; top: 68px; left: 0; right: 0;
      background: var(--white); border-bottom: 1px solid var(--border);
      padding: 20px 28px; flex-direction: column; gap: 12px; z-index: 99;
    }
    .mobile-menu.open { display: flex; }
    .mobile-menu a { text-decoration: none; font-size: 15px; font-weight: 500; color: var(--ink); padding: 8px 0; border-bottom: 1px solid var(--border); }

    /* ── Shared ───────────────────────────────────── */
    .container { max-width: 1160px; margin: 0 auto; padding: 0 28px; }
    .label {
      display: inline-block; font-family: var(--font-body); font-size: 11px;
      font-weight: 700; letter-spacing: .1em; text-transform: uppercase;
      background: var(--sky-pale); color: var(--sky-dark);
      padding: 5px 14px; border-radius: 40px;
      border: 1px solid var(--sky-light);
    }
    .section-head { text-align: center; margin-bottom: 56px; }
    .section-head h2 {
      font-family: var(--font-head); font-size: clamp(28px, 3.5vw, 44px);
      font-weight: 700; color: var(--ink); margin: 12px 0 14px; line-height: 1.15;
    }
    .section-head p { color: var(--muted); max-width: 520px; margin: 0 auto; font-size: 16px; }

    .btn {
      display: inline-flex; align-items: center; gap: 8px;
      padding: 13px 28px; border-radius: 10px;
      font-family: var(--font-body); font-weight: 600; font-size: 14px;
      cursor: pointer; border: none; text-decoration: none;
      transition: transform .15s, box-shadow .15s, background .2s;
    }
    .btn:hover { transform: translateY(-2px); }
    .btn-primary { background: var(--sky); color: var(--ink); box-shadow: 0 2px 12px rgba(135,206,250,.35); }
    .btn-primary:hover { background: var(--sky-dark); box-shadow: 0 8px 24px rgba(135,206,250,.55); }
    .btn-outline { background: transparent; color: var(--ink); border: 1.5px solid var(--border); }
    .btn-outline:hover { border-color: var(--sky-dark); color: var(--sky-dark); }

    /* ── Hero ─────────────────────────────────────── */
    #hero {
      padding-top: 110px; padding-bottom: 80px;
      background: linear-gradient(160deg, var(--sky-pale) 0%, var(--white) 60%);
      position: relative; overflow: hidden;
    }
    #hero::before {
      content: '';
      position: absolute; right: -100px; top: -100px;
      width: 600px; height: 600px;
      background: radial-gradient(circle, rgba(135,206,250,.2) 0%, transparent 70%);
      pointer-events: none;
    }
    .hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
    .hero-eyebrow { margin-bottom: 20px; }
    .hero-h1 {
      font-family: var(--font-head); font-size: clamp(36px, 5vw, 60px);
      font-weight: 800; line-height: 1.08; letter-spacing: -.01em;
      color: var(--ink); margin-bottom: 20px;
    }
    .hero-h1 em { font-style: italic; color: var(--sky-dark); }
    .hero-desc { color: var(--muted); font-size: 17px; line-height: 1.7; margin-bottom: 32px; max-width: 460px; }
    .url-pill {
      display: inline-flex; align-items: center;
      background: var(--off); border: 1.5px solid var(--border);
      border-radius: 10px; overflow: hidden; margin-bottom: 32px; max-width: 100%;
    }
    .url-pill-base { padding: 11px 16px; font-family: monospace; font-size: 13.5px; color: var(--muted); border-right: 1.5px solid var(--border); white-space: nowrap; }
    .url-pill-slug { padding: 11px 16px; font-family: monospace; font-size: 13.5px; font-weight: 700; color: var(--sky-dark); white-space: nowrap; }
    .hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }

    /* Browser mockup */
    .hero-visual { position: relative; }
    .browser {
      background: var(--ink); border-radius: 16px; overflow: hidden;
      box-shadow: 0 28px 72px rgba(15,25,35,.22), 0 0 0 1px rgba(255,255,255,.06);
      transform: perspective(900px) rotateY(-5deg) rotateX(1.5deg);
      transition: transform .4s;
    }
    .browser:hover { transform: perspective(900px) rotateY(-2deg) rotateX(.5deg); }
    .browser-bar { display: flex; align-items: center; gap: 10px; padding: 11px 16px; background: #161f2a; }
    .dots { display: flex; gap: 6px; }
    .dot { width: 10px; height: 10px; border-radius: 50%; }
    .dot-r { background: #ff5f57; }
    .dot-y { background: #febc2e; }
    .dot-g { background: #28c840; }
    .addr { flex: 1; background: #1e2c3a; border-radius: 6px; padding: 5px 12px; font-family: monospace; font-size: 11.5px; color: var(--sky); }
    .browser-content { padding: 20px; }
    .site-header {
      background: linear-gradient(135deg, var(--sky-dark) 0%, #4da8e0 100%);
      border-radius: 10px; padding: 14px 18px; margin-bottom: 14px;
      display: flex; align-items: center; gap: 12px;
    }
    .site-logo { width: 36px; height: 36px; background: rgba(255,255,255,.2); border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 18px; }
    .site-name { font-family: var(--font-head); font-weight: 700; font-size: 14px; color: #fff; }
    .site-sub  { font-size: 11px; color: rgba(255,255,255,.65); }
    .site-cards { display: grid; gap: 9px; }
    .site-card { background: #1a2736; border-radius: 8px; padding: 11px 13px; display: flex; align-items: center; gap: 10px; }
    .card-icon { width: 26px; height: 26px; border-radius: 6px; display: flex; align-items: center; justify-content: center; font-size: 13px; flex-shrink: 0; }
    .ci-sky   { background: rgba(135,206,250,.2); }
    .ci-gold  { background: rgba(232,168,24,.18); }
    .ci-green { background: rgba(80,200,120,.18); }
    .card-text { font-size: 11px; color: #7a9ab5; }
    .card-text strong { display: block; font-size: 12px; color: #b8d4e8; }
    .hero-float {
      position: absolute; bottom: -16px; left: -20px;
      background: var(--sky); color: var(--ink);
      border-radius: 12px; padding: 9px 16px;
      font-family: var(--font-body); font-weight: 700; font-size: 12px;
      box-shadow: 0 8px 24px rgba(135,206,250,.5);
      display: flex; align-items: center; gap: 8px;
      animation: floatBob 3s ease-in-out infinite;
    }
    @keyframes floatBob { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-6px)} }
    .live-dot { width: 7px; height: 7px; border-radius: 50%; background: #28c840; animation: blink 1.5s ease-in-out infinite; }
    @keyframes blink { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:.5;transform:scale(1.4)} }

    /* ── Stats ────────────────────────────────────── */
    .stats-bar {
      background: var(--ink); border-radius: 18px; padding: 28px 48px;
      display: grid; grid-template-columns: repeat(4,1fr); gap: 16px; margin-top: 64px;
    }
    .stat { text-align: center; }
    .stat-n { font-family: var(--font-head); font-size: 38px; font-weight: 700; color: var(--sky); line-height: 1; }
    .stat-l { font-size: 12px; color: rgba(255,255,255,.45); margin-top: 5px; }
    .stat-div { border: none; border-left: 1px solid rgba(255,255,255,.1); }

    /* ── How it Works ─────────────────────────────── */
    #how { padding: 96px 0; }
    .steps { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; }
    .step-card {
      background: var(--white); border: 1.5px solid var(--border);
      border-radius: 18px; padding: 28px 22px;
      transition: transform .2s, box-shadow .2s; position: relative; overflow: hidden;
    }
    .step-card::after {
      content: '';
      position: absolute; top: 0; left: 0; right: 0; height: 3px;
      border-radius: 18px 18px 0 0;
    }
    .step-card:nth-child(1)::after { background: var(--sky); }
    .step-card:nth-child(2)::after { background: var(--gold); }
    .step-card:nth-child(3)::after { background: #6dcf8f; }
    .step-card:nth-child(4)::after { background: #b07ef8; }
    .step-card:hover { transform: translateY(-5px); box-shadow: 0 16px 40px rgba(135,206,250,.15); }
    .step-n { font-family: var(--font-head); font-size: 52px; font-weight: 800; color: var(--sky-light); line-height: 1; }
    .step-icon { width: 42px; height: 42px; border-radius: 11px; background: var(--sky-pale); display: flex; align-items: center; justify-content: center; font-size: 20px; margin-bottom: 14px; }
    .step-title { font-family: var(--font-head); font-weight: 700; font-size: 17px; color: var(--ink); margin-bottom: 8px; }
    .step-desc  { font-size: 13.5px; color: var(--muted); line-height: 1.65; }
    .step-arrow { position: absolute; right: -10px; top: 50%; transform: translateY(-50%); width: 20px; height: 20px; background: var(--sky); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 10px; z-index: 2; }
    .step-card:last-child .step-arrow { display: none; }

    /* ── Who can use ──────────────────────────────── */
    #who { padding: 80px 0; background: var(--sky-pale); }
    .who-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
    .who-card {
      background: var(--white); border: 1.5px solid var(--border);
      border-radius: 18px; padding: 32px 28px;
      transition: transform .2s, box-shadow .2s;
    }
    .who-card:hover { transform: translateY(-4px); box-shadow: 0 16px 40px rgba(135,206,250,.18); }
    .who-emoji { font-size: 38px; margin-bottom: 16px; display: block; }
    .who-title { font-family: var(--font-head); font-weight: 700; font-size: 20px; color: var(--ink); margin-bottom: 8px; }
    .who-desc  { font-size: 14px; color: var(--muted); margin-bottom: 16px; line-height: 1.65; }
    .chips { display: flex; flex-wrap: wrap; gap: 7px; }
    .chip { font-size: 12px; background: var(--sky-pale); border: 1px solid var(--sky-light); border-radius: 40px; padding: 4px 12px; color: var(--sky-dark); font-weight: 500; }

    /* ── Domain ───────────────────────────────────── */
    #domain { padding: 96px 0; }
    .domain-split { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
    .domain-code {
      background: var(--ink); border-radius: 18px; padding: 32px 36px;
      font-family: 'Courier New', monospace; line-height: 2;
    }
    .dc { font-size: 14px; }
    .c-dim  { color: #4a6070; }
    .c-kw   { color: #7ad9f5; }
    .c-var  { color: var(--sky); }
    .c-str  { color: #a8d8a0; }
    .c-url  { color: var(--sky); }
    .c-slug { color: #f5b97a; font-weight: 700; }
    .c-ok   { color: #6dcf8f; }
    .domain-title { font-family: var(--font-head); font-weight: 700; font-size: 32px; margin: 14px 0 14px; color: var(--ink); }
    .domain-desc  { color: var(--muted); margin-bottom: 24px; font-size: 15px; }
    .domain-examples { display: grid; gap: 11px; }
    .domain-ex {
      background: var(--off); border: 1.5px solid var(--border);
      border-radius: 10px; padding: 12px 16px;
      display: flex; align-items: center; gap: 12px; font-family: monospace; font-size: 13px;
    }
    .dex-icon { width: 30px; height: 30px; border-radius: 7px; display: flex; align-items: center; justify-content: center; font-size: 15px; flex-shrink: 0; }
    .di-sky  { background: var(--sky-pale); }
    .domain-ex .d-url  { color: var(--muted); }
    .domain-ex .d-slug { color: var(--sky-dark); font-weight: 700; }

    /* ── Features ─────────────────────────────────── */
    #features { padding: 96px 0; background: var(--sky-pale); }
    .bento { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
    .feat-card {
      background: var(--white); border: 1.5px solid var(--border);
      border-radius: 18px; padding: 26px; transition: transform .2s, box-shadow .2s;
    }
    .feat-card:hover { transform: translateY(-3px); box-shadow: 0 12px 32px rgba(135,206,250,.14); }
    .feat-card.wide { grid-column: span 2; }
    .feat-icon { width: 46px; height: 46px; border-radius: 12px; background: var(--sky-pale); display: flex; align-items: center; justify-content: center; font-size: 22px; margin-bottom: 14px; }
    .feat-title { font-family: var(--font-head); font-weight: 700; font-size: 17px; color: var(--ink); margin-bottom: 7px; }
    .feat-desc  { font-size: 13.5px; color: var(--muted); line-height: 1.65; }
    .feat-big { font-family: var(--font-head); font-size: 64px; font-weight: 800; color: var(--sky); line-height: 1; margin: 12px 0 4px; }

    /* ── Request Form ─────────────────────────────── */
    #request { padding: 96px 0; }
    .req-wrap { display: grid; grid-template-columns: 1fr 1.35fr; gap: 64px; align-items: start; }
    .form-info h2 { font-family: var(--font-head); font-weight: 700; font-size: 32px; color: var(--ink); margin: 12px 0 14px; }
    .form-info p  { color: var(--muted); font-size: 15px; margin-bottom: 28px; }
    .checklist { list-style: none; display: grid; gap: 12px; }
    .checklist li { display: flex; align-items: flex-start; gap: 11px; font-size: 14.5px; color: var(--ink-soft); }
    .chk { width: 20px; height: 20px; background: var(--sky); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 10px; flex-shrink: 0; margin-top: 2px; color: var(--ink); font-weight: 700; }
    .form-box {
      background: var(--off); border: 1.5px solid var(--border);
      border-radius: 24px; padding: 36px;
    }
    .form-grid { display: grid; gap: 16px; }
    .grid-2 { grid-template-columns: 1fr 1fr; }
    .field { display: flex; flex-direction: column; gap: 6px; }
    .field label { font-size: 12px; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; color: var(--ink-soft); }
    .field input, .field select, .field textarea {
      background: var(--white); border: 1.5px solid var(--border);
      border-radius: 9px; padding: 11px 14px;
      font-family: var(--font-body); font-size: 14.5px; color: var(--ink);
      outline: none; resize: vertical; transition: border-color .2s, box-shadow .2s;
    }
    .field input:focus, .field select:focus, .field textarea:focus {
      border-color: var(--sky-dark); box-shadow: 0 0 0 3px rgba(135,206,250,.2);
    }
    .url-prev { background: var(--white); border: 1.5px solid var(--border); border-radius: 9px; padding: 11px 14px; font-family: monospace; font-size: 13px; color: var(--muted); }
    .url-prev .ps { color: var(--sky-dark); font-weight: 700; }
    .form-btn { width: 100%; padding: 14px; font-size: 15px; border-radius: 10px; margin-top: 4px; }
    .form-note { font-size: 12px; color: var(--muted); text-align: center; margin-top: 10px; }

    /* ── FAQ ──────────────────────────────────────── */
    #faq { padding: 96px 0; background: var(--sky-pale); }
    .faq-list { max-width: 700px; margin: 0 auto; display: grid; gap: 10px; }
    .faq-item { background: var(--white); border: 1.5px solid var(--border); border-radius: 12px; overflow: hidden; }
    .faq-q {
      width: 100%; background: none; border: none; padding: 17px 20px;
      font-family: var(--font-head); font-weight: 600; font-size: 15px; color: var(--ink);
      text-align: left; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 12px;
    }
    .faq-q:hover { color: var(--sky-dark); }
    .faq-ico { font-size: 18px; transition: transform .3s; flex-shrink: 0; }
    .faq-item.open .faq-ico { transform: rotate(45deg); color: var(--sky-dark); }
    .faq-a { max-height: 0; overflow: hidden; transition: max-height .35s cubic-bezier(.4,0,.2,1); }
    .faq-item.open .faq-a { max-height: 250px; }
    .faq-a-in { padding: 0 20px 17px; font-size: 14px; color: var(--muted); line-height: 1.7; }

    /* ── Footer ───────────────────────────────────── */
    footer { background: var(--ink); color: var(--white); padding: 60px 0 28px; }
    .foot-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 48px; margin-bottom: 44px; }
    .foot-logo { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
    .foot-logo img { height: 44px; filter: brightness(0) invert(1); }
    .foot-brand-name { font-family: var(--font-head); font-weight: 700; font-size: 15px; }
    .foot-brand-sub  { font-size: 11px; color: rgba(255,255,255,.4); }
    .foot-brand p { font-size: 13.5px; color: rgba(255,255,255,.45); line-height: 1.7; max-width: 280px; }
    .foot-col h4 { font-family: var(--font-body); font-weight: 700; font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: rgba(255,255,255,.35); margin-bottom: 14px; }
    .foot-col ul { list-style: none; display: grid; gap: 9px; }
    .foot-col ul li a { text-decoration: none; font-size: 13.5px; color: rgba(255,255,255,.6); transition: color .2s; }
    .foot-col ul li a:hover { color: var(--sky); }
    .foot-bottom { border-top: 1px solid rgba(255,255,255,.08); padding-top: 22px; display: flex; justify-content: space-between; align-items: center; font-size: 12.5px; color: rgba(255,255,255,.28); }
    .foot-bottom a { color: var(--sky); text-decoration: none; }

    /* ── Toast ────────────────────────────────────── */
    #toast {
      position: fixed; bottom: 24px; right: 24px; z-index: 300;
      background: var(--sky-dark); color: var(--ink); padding: 14px 22px;
      border-radius: 12px; font-weight: 600; font-size: 14px;
      box-shadow: 0 12px 32px rgba(135,206,250,.4);
      transform: translateY(80px); opacity: 0;
      transition: transform .35s cubic-bezier(.4,0,.2,1), opacity .35s;
      display: flex; align-items: center; gap: 10px;
    }
    #toast.show { transform: translateY(0); opacity: 1; }

    /* ── Animations ───────────────────────────────── */
    .fade-up { opacity: 0; transform: translateY(24px); transition: opacity .6s, transform .6s; }
    .fade-up.visible { opacity: 1; transform: translateY(0); }

    /* ── Responsive ───────────────────────────────── */
    @media (max-width: 900px) {
      .hero-grid { grid-template-columns: 1fr; }
      .hero-visual { display: none; }
      .stats-bar { grid-template-columns: repeat(2,1fr); }
      .steps { grid-template-columns: repeat(2,1fr); }
      .who-grid { grid-template-columns: 1fr; }
      .domain-split { grid-template-columns: 1fr; }
      .bento { grid-template-columns: 1fr; }
      .feat-card.wide { grid-column: span 1; }
      .req-wrap { grid-template-columns: 1fr; }
      .foot-grid { grid-template-columns: 1fr 1fr; }
      .nav-links { display: none; }
      .nav-burger { display: flex; }
    }
    @media (max-width: 580px) {
      .stats-bar { grid-template-columns: 1fr 1fr; padding: 20px; }
      .steps { grid-template-columns: 1fr; }
      .foot-grid { grid-template-columns: 1fr; }
      .grid-2 { grid-template-columns: 1fr; }
    }