/* Reset */
*,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%}
  body{margin:0}
  img,svg{vertical-align:middle}

/* Main styles */
:root {
    --navy-900: #071B33;
    --navy-800: #0B2545;
    --navy-700: #13315C;
    --steel: #3E6FA8;
    --steel-bright: #5A8BC4;
    --paper: #F5F8FC;
    --paper-raised: #FFFFFF;
    --ink: #10233B;
    --slate: #54657A;
    --hairline: #D8E1EC;
    --ground: var(--paper);
    --surface: var(--paper-raised);
    --text: var(--ink);
    --muted: var(--slate);
    --line: var(--hairline);
    --accent: var(--steel);

    /* Product brand accents */
    --cc-sky: #67B8DC;
    --sc-teal: #4fc9bb;

    --serif: Georgia, 'Iowan Old Style', 'Times New Roman', serif;
    --sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;

    --maxw: 1080px;
    --step-1: clamp(0.78rem, 0.76rem + 0.1vw, 0.82rem);
    --step0: clamp(0.98rem, 0.95rem + 0.15vw, 1.06rem);
    --step1: clamp(1.18rem, 1.1rem + 0.4vw, 1.4rem);
    --step2: clamp(1.5rem, 1.3rem + 1vw, 2.1rem);
    --step3: clamp(2rem, 1.5rem + 2.4vw, 3.2rem);
    --step4: clamp(2.2rem, 1.6rem + 2.4vw, 3.4rem);
  }

  @media (prefers-color-scheme: dark) {
    :root {
      --ground: #061627;
      --surface: #0C243E;
      --text: #E7EEF7;
      --muted: #9DB0C6;
      --line: #1C3550;
      --accent: #6FA1D8;
    }
  }
  :root[data-theme="light"] {
    --ground: var(--paper);
    --surface: var(--paper-raised);
    --text: var(--ink);
    --muted: var(--slate);
    --line: var(--hairline);
    --accent: var(--steel);
  }
  :root[data-theme="dark"] {
    --ground: #061627;
    --surface: #0C243E;
    --text: #E7EEF7;
    --muted: #9DB0C6;
    --line: #1C3550;
    --accent: #6FA1D8;
  }

  * { box-sizing: border-box; }
  body {
    margin: 0;
    background: var(--ground);
    color: var(--text);
    font-family: var(--sans);
    font-size: var(--step0);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
  }
  .wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 clamp(1.25rem, 4vw, 3rem); }

  .eyebrow {
    font-size: var(--step-1);
    letter-spacing: 0.22em;
    text-transform: uppercase;
    font-weight: 600;
    color: var(--accent);
    margin: 0;
  }
  h1, h2, h3 { font-family: var(--serif); font-weight: 600; text-wrap: balance; line-height: 1.14; margin: 0; }
  a { color: inherit; }
  a:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 2px; }

  /* ---------- hero ---------- */
  .hero {
    position: relative;
    background: var(--navy-900);
    color: #EAF1FA;
    overflow: hidden;
  }
  .hero-img {
    position: absolute; bottom: 0; left: 50%; transform: translateX(-50%); width: 65%; height: 70%;
    object-fit: cover; object-position: center 10%; pointer-events: none;
    opacity: 0.45;
    mask-image: linear-gradient(to bottom, transparent 0%, black 25%, black 100%),
               radial-gradient(ellipse 68% 100% at 50% 60%, black 35%, transparent 65%);
    mask-composite: intersect;
    -webkit-mask-image: linear-gradient(to bottom, transparent 0%, black 25%, black 100%),
                        radial-gradient(ellipse 68% 100% at 50% 60%, black 35%, transparent 65%);
    -webkit-mask-composite: source-in;
  }
  .hero::after {
    content: ""; position: absolute; inset: 0; pointer-events: none;
    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: 48px 48px;
    mask-image: radial-gradient(80% 70% at 72% 25%, #000 0%, transparent 75%);
    opacity: 0.5;
  }
  .hero .wrap { position: relative; z-index: 1; min-height: 82vh; min-height: 82svh; display: flex; flex-direction: column; padding-top: clamp(1rem, 2.5vw, 1.5rem); padding-bottom: clamp(1rem, 2vw, 1.5rem); }
  .brand { display: inline-flex; align-items: center; gap: 0.7rem; color: #EAF1FA; text-decoration: none; }
  .brand b { font-family: var(--serif); font-weight: 600; font-size: 1.06rem; letter-spacing: 0.01em; line-height: 1; }
  .brand-mark { height: 42px; width: auto; display: block; }
  .brand small { display: block; font-size: 0.72rem; letter-spacing: 0.03em; color: #9FBBDC; margin-top: 0.15rem; font-style: italic; font-family: var(--serif); }
  .hero-body { margin-top: clamp(3rem, 9vh, 5.5rem); margin-bottom: auto; padding-bottom: 0; }
  .hero h1 { font-size: var(--step4); max-width: 18ch; margin: 0; color: #F3F8FD; }
  .hero h1 em { font-style: normal; color: var(--steel-bright); }
  .hero .lead { max-width: 60ch; margin: 1.5rem 0 0; font-size: var(--step1); line-height: 1.5; color: #C4D5E8; font-weight: 400; }
  .hero .lead + .lead { margin-top: 1rem; }
  .hero .scroll-hint { margin-top: 2rem; font-size: 0.72rem; letter-spacing: 0.22em; text-transform: uppercase; color: #7791B2; }

  section { padding: clamp(2.5rem, 5vw, 4rem) 0; }

  /* ---------- products ---------- */
  .products { background: var(--surface); border-bottom: 1px solid var(--line); }
  .prod-eyebrow { margin-bottom: clamp(1.5rem, 3vw, 2.25rem); }
  .prod-grid { display: grid; grid-template-columns: 2fr 1fr; gap: clamp(1.25rem, 2.5vw, 2rem); }
  @media (max-width: 780px) { .prod-grid { grid-template-columns: 1fr; } }

  .card {
    display: flex; flex-direction: column;
    border: 1px solid var(--line); border-radius: 6px; overflow: hidden;
    background: var(--ground); text-decoration: none; color: inherit;
    transition: transform .2s ease, box-shadow .25s ease, border-color .2s ease;
  }
  .card:hover { transform: translateY(-4px); box-shadow: 0 22px 44px -28px rgba(11,37,69,0.55); border-color: var(--accent); }
  .card-sport:hover { border-color: var(--sc-teal); }
  .card-top { color: #EAF1FA; padding: clamp(1.6rem, 3vw, 2.4rem) clamp(1.6rem, 3vw, 2.2rem) clamp(1.3rem, 2.5vw, 1.8rem); }
  .card-conf .card-top { background: linear-gradient(150deg, var(--navy-700), var(--navy-900)); }
  .card-sport .card-top { background: linear-gradient(150deg, var(--navy-700), var(--navy-900)); }
  .card-body p::before {
    content: ""; display: block; width: 33%; min-width: 60px; height: 3px;
    margin-bottom: 1rem;
  }
  .card-conf .card-body p::before { background: var(--cc-sky); }
  .card-sport .card-body p::before { background: var(--sc-teal); }
  .card-logo { display: block; height: 48px; width: auto; margin-bottom: 1rem; }
  .card-top h2 { margin: 0; color: #fff; font-size: clamp(1.6rem, 1rem + 2vw, 2.3rem); }
  .card-conf .card-top h2 { font-size: clamp(1.8rem, 1rem + 2.6vw, 2.7rem); }
  .card-top .dom { font-size: 0.9rem; color: var(--steel-bright); margin-top: 0.4rem; letter-spacing: 0.02em; }
  .card-body { padding: clamp(1.4rem, 2.5vw, 1.9rem); display: flex; flex-direction: column; gap: 1.2rem; flex: 1; }
  .card-body p { margin: 0; color: var(--text); font-size: 1.04rem; }
  .card-cta { margin-top: auto; display: inline-flex; align-items: center; gap: 0.5rem; font-weight: 600; color: var(--accent); font-size: 0.95rem; }
  .card-cta .arr { transition: transform .2s ease; }
  .card:hover .card-cta .arr { transform: translateX(4px); }

  /* ---------- footer ---------- */
  footer { background: var(--navy-900); color: #7791B2; padding: 2.5rem 0; }
  footer .wrap { display: flex; flex-wrap: wrap; gap: 1rem 2rem; justify-content: space-between; align-items: center; font-size: 0.85rem; }
  footer a { color: #BACDE4; text-decoration: none; }
  footer a:hover { color: #fff; }
  footer .flinks { display: flex; gap: 1.5rem; }
  /* ---------- legal page ---------- */
  .legal-page { max-width: 680px; margin: 0 auto; padding: 4rem 1.5rem; color: var(--text); }
  .legal-page .eyebrow { font-size: var(--step-1); text-transform: uppercase; letter-spacing: 0.12em; color: var(--accent); margin-bottom: 0.5rem; }
  .legal-page h1 { font-size: var(--step2); margin: 0 0 0.5rem; }
  .legal-updated { font-size: var(--step-1); color: var(--muted); margin-bottom: 2rem; }
  .legal-page h2 { font-size: var(--step1); margin: 2rem 0 0.8rem; }
  .legal-page p, .legal-page li { font-size: var(--step0); line-height: 1.7; color: var(--text); }
  .legal-page ul { padding-left: 1.5rem; margin: 0.5rem 0 1rem; }
  .legal-page a { color: var(--accent); }

  /* ---------- modal ---------- */
  body.modal-open { overflow: hidden; }
  .modal[hidden] { display: none; }
  .modal { position: fixed; inset: 0; z-index: 100; display: flex; align-items: center; justify-content: center; padding: 20px; }
  .modal-backdrop { position: absolute; inset: 0; background: rgba(7,27,51,.55); backdrop-filter: blur(3px); animation: mfade .18s ease; }
  .modal-card { position: relative; background: var(--surface); border: 1px solid var(--line); border-radius: 12px; box-shadow: 0 24px 60px -20px rgba(0,0,0,.4); width: 100%; max-width: 480px; max-height: 92vh; overflow-y: auto; padding: 2rem; animation: mpop .2s ease; }
  @keyframes mfade { from { opacity: 0; } }
  @keyframes mpop { from { opacity: 0; transform: scale(.96) translateY(8px); } }
  .modal-x { position: absolute; top: 12px; right: 12px; width: 32px; height: 32px; border-radius: 8px; border: 1px solid var(--line); background: transparent; color: var(--muted); cursor: pointer; display: grid; place-items: center; font-size: 15px; }
  .modal-x:hover { color: var(--text); border-color: var(--text); }
  .modal h2 { font-size: 1.4rem; margin: 0 0 0.3rem; }
  .modal .modal-sub { color: var(--muted); font-size: 0.9rem; margin-bottom: 1.5rem; }

  /* ---------- form ---------- */
  .form-group { margin-bottom: 1rem; }
  .form-group label { display: block; font-size: 0.85rem; font-weight: 600; color: var(--text); margin-bottom: 0.35rem; }
  .form-group input, .form-group textarea, .form-group select {
    width: 100%; padding: 0.6rem 0.8rem; border: 1px solid var(--line); border-radius: 8px;
    background: var(--ground); color: var(--text); font: inherit; font-size: 0.95rem;
    transition: border-color .15s;
  }
  .form-group input:focus, .form-group textarea:focus, .form-group select:focus {
    outline: none; border-color: var(--accent);
  }
  .form-group textarea { resize: vertical; min-height: 100px; }
  .form-btn { display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.7rem 1.6rem; border: none; border-radius: 8px; background: var(--accent); color: #fff; font-weight: 600; font-size: 0.95rem; cursor: pointer; transition: background .15s; }
  .form-btn:hover { background: var(--steel-bright); }
  .form-footer { margin-top: 1rem; font-size: 0.78rem; color: var(--muted); }
  .form-footer a { color: var(--accent); }
  .form-success { text-align: center; padding: 2rem 0; }
  .form-success h2 { color: var(--accent); }

  /* ---------- site header ---------- */
  .site-header { background: var(--navy-900); border-bottom: 1px solid rgba(255,255,255,0.08); }
  .site-header-in { display: flex; align-items: center; justify-content: space-between; padding-top: 1rem; padding-bottom: 1rem; }
  .site-header .brand { display: inline-flex; align-items: center; gap: 0.7rem; color: #EAF1FA; text-decoration: none; }
  .site-header .brand b { font-family: var(--serif); font-weight: 600; font-size: 1.06rem; letter-spacing: 0.01em; line-height: 1; }
  .site-header .brand-mark { height: 34px; width: auto; display: block; }
  .site-header .brand small { display: block; font-size: 0.72rem; letter-spacing: 0.03em; color: #9FBBDC; margin-top: 0.15rem; font-style: italic; font-family: var(--serif); }
  .header-cta {
    display: inline-flex; align-items: center; padding: 0.5rem 1.2rem;
    border: 1px solid rgba(255,255,255,0.2); border-radius: 6px;
    color: #EAF1FA; text-decoration: none; font-size: 0.88rem; font-weight: 600;
    transition: border-color .15s, background .15s;
  }
  .header-cta:hover { border-color: var(--accent); background: rgba(255,255,255,0.06); }