:root {
    --bg: #ffffff;
    --bg-alt: #f5f4f1;
    --ink: #14130f;
    --ink-soft: #55524b;
    --line: #e2e0da;
    --accent: #1a1a1a;
    --accent-line: #b8946a;
    --maxw: 1440px;
    --serif: "Georgia", "Times New Roman", serif;
    --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  }
  * { box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  body {
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    font-family: var(--sans);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
  }
  a { color: inherit; }
  .wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }
  h1, h2, h3 { font-family: var(--serif); font-weight: 400; letter-spacing: -0.01em; }

  /* Header */
  header {
    position: sticky; top: 0; z-index: 50;
    background: rgba(255,255,255,0.92);
    backdrop-filter: saturate(180%) blur(10px);
    border-bottom: 1px solid var(--line);
  }
  .nav { display: flex; align-items: center; justify-content: space-between; height: 66px; }
  .brand { font-family: var(--serif); font-size: 19px; letter-spacing: 0.02em; text-decoration: none; }
  .brand small { display: block; font-family: var(--sans); font-size: 10.5px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--ink-soft); margin-top: 2px; }
  .nav-links { display: flex; gap: 30px; align-items: center; }
  .nav-links a { text-decoration: none; font-size: 14px; color: var(--ink-soft); transition: color .2s; }
  .nav-links a:hover { color: var(--ink); }
  .btn {
    display: inline-block; text-decoration: none; font-size: 14px;
    padding: 11px 22px; border: 1px solid var(--ink); color: var(--ink);
    background: transparent; transition: all .2s; cursor: pointer;
  }
  .btn:hover { background: var(--ink); color: #fff; }
  .btn-solid { background: var(--ink); color: #fff; }
  .btn-solid:hover { background: #000; }
  .nav-toggle { display: none; }

  /* Hero */
  .hero { padding: 100px 0 70px; border-bottom: 1px solid var(--line); }
  .eyebrow { font-size: 11.5px; letter-spacing: 0.24em; text-transform: uppercase; color: var(--ink-soft); margin-bottom: 22px; }
  .eyebrow::before { content: ""; display: inline-block; width: 26px; height: 1px; background: var(--accent-line); vertical-align: middle; margin-right: 12px; }
  .hero h1 {
    font-size: clamp(38px, 6vw, 68px);
    line-height: 1.04;
    margin: 0 0 26px;
    max-width: 45ch;
}
  .hero p.lede {
    font-size: clamp(17px, 2vw, 20px);
    color: var(--ink-soft);
    max-width: 90ch;
    margin: 0 0 34px;
}
  .hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

  /* Sections */
  section { padding: 84px 0; }
  .section-head { max-width: 90ch; margin-bottom: 52px; }
  .section-head h2 { font-size: clamp(28px, 4vw, 42px); margin: 14px 0 16px; }
  .section-head p { color: var(--ink-soft); font-size: 17px; margin: 0; }
  .alt { background: var(--bg-alt); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

  /* Video */
  .video-frame {
    position: relative; width: 100%; aspect-ratio: 16 / 9;
    background: #111; border: 1px solid var(--line); overflow: hidden;
  }
  .video-frame iframe,
  .video-frame video { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; object-fit: cover; background: #000; }
  .video-placeholder {
    position: absolute; inset: 0; display: flex; flex-direction: column;
    align-items: center; justify-content: center; text-align: center;
    color: #cfcdc8; background:
      radial-gradient(circle at 50% 40%, #24231f 0%, #121210 70%);
    padding: 30px;
  }
  .video-placeholder .play {
    width: 70px; height: 70px; border-radius: 50%; border: 1px solid #6a675f;
    display: flex; align-items: center; justify-content: center; margin-bottom: 20px;
  }
  .video-placeholder .play::after {
    content: ""; border-left: 16px solid #cfcdc8; border-top: 10px solid transparent;
    border-bottom: 10px solid transparent; margin-left: 5px;
  }
  .video-placeholder h3 { color: #f2f0ea; font-size: 20px; margin: 0 0 8px; }
  .video-placeholder code { font-family: ui-monospace, Menlo, monospace; font-size: 12.5px; color: #a8a49a; }
  .video-note { font-size: 13.5px; color: var(--ink-soft); margin-top: 16px; }

  /* Rooms */
  .rooms { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
  .room {
    border: 1px solid var(--line); background: #fff; padding: 34px 30px;
    display: flex; flex-direction: column; transition: border-color .2s, transform .2s;
  }
  .room:hover { border-color: var(--ink); transform: translateY(-3px); }
  .room .tag { font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--accent-line); margin-bottom: 12px; }
  .room h3 { font-size: 25px; margin: 0 0 6px; }
  .room .spec { font-size: 13px; color: var(--ink-soft); margin-bottom: 18px; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
  .room p { font-size: 15px; color: var(--ink-soft); margin: 0 0 18px; flex-grow: 1; }
  .room ul { list-style: none; padding: 0; margin: 0; }
  .room ul li { font-size: 13.5px; color: var(--ink); padding: 5px 0 5px 18px; position: relative; }
  .room ul li::before { content: ""; position: absolute; left: 0; top: 12px; width: 6px; height: 6px; background: var(--accent-line); }

  /* Partners accordion */
  .accordion { border-top: 1px solid var(--ink); }
  .panel { border-bottom: 1px solid var(--line); }
  .panel-head {
    width: 100%; display: flex; align-items: center; justify-content: space-between;
    gap: 20px; padding: 30px 4px; background: none; border: 0; cursor: pointer;
    text-align: left; font-family: var(--serif); color: var(--ink); transition: color .2s;
  }
  .panel-head:hover { color: #000; }
  .panel-title { font-size: clamp(22px, 3vw, 30px); display: flex; align-items: baseline; gap: 16px; }
  .panel-num { font-family: var(--sans); font-size: 12px; letter-spacing: 0.15em; color: var(--accent-line); align-self: center; }
  .panel-flag {
    font-family: var(--sans); font-size: 10.5px; letter-spacing: 0.16em; text-transform: uppercase;
    color: var(--ink-soft); border: 1px solid var(--line); padding: 3px 9px; margin-left: 10px; vertical-align: middle;
  }
  .panel-icon { position: relative; width: 18px; height: 18px; flex: 0 0 18px; }
  .panel-icon::before, .panel-icon::after {
    content: ""; position: absolute; background: var(--ink); transition: transform .3s, opacity .3s;
  }
  .panel-icon::before { top: 8px; left: 0; width: 18px; height: 2px; }
  .panel-icon::after { left: 8px; top: 0; width: 2px; height: 18px; }
  .panel.is-open .panel-icon::after { transform: scaleY(0); opacity: 0; }
  .panel-body { overflow: hidden; max-height: 0; transition: max-height .38s ease; }
  .panel.is-open .panel-body { max-height: 640px; }
  .panel-inner { padding: 2px 4px 34px; }
  .panel-lede { font-size: 16px; color: var(--ink-soft); margin: 0 0 22px; max-width: 90ch; }
  .chip-list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px 22px; }
  .chip-list li {
    display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap;
    padding: 14px 16px; background: #fff; border: 1px solid var(--line); transition: border-color .2s;
  }
  .chip-list li:hover { border-color: var(--ink); }
  .chip-name { font-size: 16px; font-weight: 500; color: var(--ink); }
  .chip-tag {
    font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-soft);
    border: 1px solid var(--line); padding: 2px 8px;
  }
  .chip-link { font-size: 13px; text-decoration: none; color: var(--accent-line); border-bottom: 1px solid currentColor; padding-bottom: 1px; margin-left: auto; }

  /* Partners master/detail (v2) */
  .partner-split { display: grid; grid-template-columns: minmax(280px, 380px) 1fr; gap: 48px; border-top: 1px solid var(--ink); padding-top: 40px; }
  .partner-rail { display: flex; flex-direction: column; gap: 26px; }
  .rail-group { display: flex; flex-direction: column; }
  .rail-group-title { font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--accent-line); margin-bottom: 8px; }
  .rail-item {
    width: 100%; text-align: left; background: none; border: 0; cursor: pointer;
    font-family: var(--serif); font-size: 19px; color: var(--ink-soft);
    padding: 9px 0 9px 16px; border-left: 2px solid transparent; transition: color .2s, border-color .2s;
  }
  .rail-item:hover { color: var(--ink); }
  .rail-item.is-active { color: var(--ink); border-left-color: var(--ink); }
  .partner-detail { position: relative; min-height: 260px; }
  .detail-pane { display: none; animation: fade-in .3s ease; }
  .detail-pane.is-active { display: block; }
  .detail-pane h3 { font-size: clamp(26px, 3.4vw, 38px); margin: 0 0 20px; }
  .detail-pane p { font-size: 16px; color: var(--ink-soft); max-width: 62ch; margin: 0 0 18px; }
  .detail-pane .chip-link { display: inline-block; margin-left: 0; font-size: 15px; }
  @keyframes fade-in { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

  /* Partners accordion + company reveal (v2 hybrid) */
  .accordion.rev .panel-title { font-size: clamp(28px, 4vw, 42px); }
  .company-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px 22px; margin: 4px 0 0; }
  .company-item {
    display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; width: 100%; text-align: left;
    padding: 16px 18px; background: #fff; border: 1px solid var(--line); cursor: pointer; transition: border-color .2s, background .2s;
  }
  .company-item:hover { border-color: var(--ink); }
  .company-item.is-active { border-color: var(--ink); background: var(--bg-alt); }
  .company-name { font-family: var(--serif); font-size: clamp(20px, 2.4vw, 25px); color: var(--ink); }
  .company-detail { margin-top: 2px; }
  .company-pane { display: none; padding: 26px 2px 4px; animation: fade-in .3s ease; }
  .company-pane.is-active { display: block; }
  .company-pane h3 { font-size: clamp(22px, 2.6vw, 28px); margin: 0 0 14px; }
  .company-pane p { font-size: 16px; color: var(--ink-soft); max-width: 64ch; margin: 0 0 16px; }
  .company-pane .chip-link { display: inline-block; margin-left: 0; font-size: 15px; }

  /* Contact */
  .contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 60px; align-items: start; }
  .contact-info h2 { font-size: clamp(28px, 4vw, 40px); margin: 14px 0 18px; }
  .contact-info p { color: var(--ink-soft); font-size: 16px; }
  .contact-info .detail { margin-top: 22px; font-size: 15px; }
  .contact-info .detail a { text-decoration: none; border-bottom: 1px solid var(--line); }
  form label { display: block; font-size: 13px; letter-spacing: 0.02em; margin: 0 0 6px; color: var(--ink); }
  form .field { margin-bottom: 18px; }
  form input, form select, form textarea {
    width: 100%; padding: 12px 14px; font-family: var(--sans); font-size: 15px;
    border: 1px solid var(--line); background: #fff; color: var(--ink); border-radius: 0;
  }
  form input:focus, form select:focus, form textarea:focus { outline: none; border-color: var(--ink); }
  form textarea { resize: vertical; min-height: 110px; }
  .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
  .form-msg { display: none; margin-top: 16px; padding: 14px 16px; background: var(--bg-alt); border: 1px solid var(--line); font-size: 14px; }
  /* Honeypot: keep in DOM and focusable-by-code but invisible/off-screen for humans. */
  .hp-field { position: absolute; left: -9999px; top: auto; width: 1px; height: 1px; overflow: hidden; }

  /* Footer */
  footer { background: var(--ink); color: #b9b6ae; padding: 54px 0 40px; }
  footer .f-top { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 30px; padding-bottom: 34px; border-bottom: 1px solid #34322d; }
  footer .brand { color: #fff; }
  footer .brand small { color: #8a877f; }
  footer a { color: #b9b6ae; text-decoration: none; }
  footer a:hover { color: #fff; }
  footer .f-links { display: flex; gap: 26px; font-size: 14px; }
  footer .f-bottom { padding-top: 26px; font-size: 12.5px; color: #7d7a72; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; }

  @media (max-width: 900px) {
    .rooms { grid-template-columns: 1fr; }
    .chip-list, .form-row { grid-template-columns: 1fr; }
    .partner-split { grid-template-columns: 1fr; gap: 32px; }
    .company-grid { grid-template-columns: 1fr; }
    .panel.is-open .panel-body { max-height: 900px; }
    .contact-grid { grid-template-columns: 1fr; gap: 40px; }
    .nav-links { display: none; }
  }