/* Frigitorium — index | styles lifted verbatim from the supplied master */
:root {
    --bg:           #05070c;
    --bg-2:         #0a0f18;
    --surface:      #0d131e;
    --surface-2:    #111827;
    --line:         rgba(255,255,255,0.10);
    --line-strong:  rgba(255,255,255,0.18);
    --text:         #eef2f8;
    --text-dim:     #aab3c2;
    --text-mute:    #7a8597;

    /* category accents — drawn from the source poster */
    --c-physical:   #6fb6ff; /* sky */
    --c-psych:      #c098ff; /* lavender */
    --c-perf:       #4fd1c5; /* teal */
    --c-experience: #f5a25d; /* amber */
    --c-use:        #a3d977; /* lime */
    --c-ops:        #f0c674; /* gold */
    --c-social:     #e6b257; /* honey */
    --c-env:        #6aa9ff; /* cobalt */
    --c-diff:       #8fd6ff; /* ice */
    --c-history:    #d9b88a; /* sand */

    /* Editorial highlight — used sparingly per brand guidelines.
       One highlight moment per view; never adjacent to schematic amber. */
    --tangerine:    #f86a3f;

    --maxw: 1240px;
    --pad:  clamp(20px, 4vw, 56px);
    --r-lg: 22px;
    --r-md: 14px;
  }

  * { box-sizing: border-box; }
  html, body { margin: 0; padding: 0; }
  body {
    background: var(--bg);
    color: var(--text);
    font-family: "Manrope", system-ui, -apple-system, "Segoe UI", sans-serif;
    font-weight: 400;
    font-size: 16px;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    overflow-x: hidden;
  }
  .serif { font-family: "Instrument Serif", "Cormorant Garamond", Georgia, serif; font-weight: 400; letter-spacing: -0.005em; }
  .container { max-width: var(--maxw); margin: 0 auto; padding-left: var(--pad); padding-right: var(--pad); }
  a { color: inherit; }
  ::selection { background: rgba(143,214,255,0.25); color: #fff; }

  /* ───────── Top bar ───────── */
  .topbar {
    position: sticky; top: 0; z-index: 20;
    background: linear-gradient(to bottom, rgba(5,7,12,0.92), rgba(5,7,12,0.6));
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--line);
  }
  .topbar-row {
    display: flex; align-items: center; justify-content: space-between;
    height: 76px;
  }
  .brand {
    display: inline-flex; align-items: center;
    text-decoration: none;
  }
  .brand img {
    height: 44px; width: auto; display: block;
   
  }
  .nav {
    display: flex; gap: 28px;
    font-size: 13px; letter-spacing: 0.08em; text-transform: uppercase;
    color: var(--text-dim);
  }
  .nav a { text-decoration: none; }
  .nav a:hover { color: var(--text); }
  .nav a.is-active { color: var(--text); }
  @media (max-width: 720px) { .nav { display: none; } }

  /* ───────── Hero ───────── */
  .hero {
    position: relative;
    padding: clamp(40px, 6vw, 80px) 0 clamp(40px, 6vw, 80px);
    overflow: hidden;
  }

  /* Big featured logo above the hero copy */
  .hero-logo {
    position: relative; z-index: 1;
    display: flex; flex-direction: column; justify-content: center; align-items: center;
    padding: clamp(24px, 4vw, 48px) 0 clamp(20px, 3vw, 36px);
  }
  .hero-logo img {
    width: min(880px, 90%);
    height: auto;
    display: block;
   
    filter: drop-shadow(0 12px 60px rgba(143,214,255,0.18));
  }
  .hero-logo::after {
    content: "";
    margin-top: clamp(20px, 3vw, 36px);
    width: 1px; height: 48px;
    background: linear-gradient(to bottom, rgba(255,255,255,0.4), transparent);
  }
  .hero::before {
    content: ""; position: absolute; inset: -10% -10% auto -10%; height: 80%;
    background:
      radial-gradient(60% 60% at 50% 35%, rgba(111,182,255,0.18), transparent 60%),
      radial-gradient(40% 50% at 80% 10%, rgba(192,152,255,0.10), transparent 70%),
      radial-gradient(40% 50% at 15% 20%, rgba(79,209,197,0.10), transparent 70%);
    pointer-events: none;
    z-index: 0;
  }
  .hero-inner {
    position: relative; z-index: 1;
    display: grid; grid-template-columns: 1.05fr 1fr; gap: clamp(28px, 5vw, 72px);
    align-items: center;
  }
  @media (max-width: 880px) { .hero-inner { grid-template-columns: 1fr; } }

  .eyebrow {
    font-size: 12px; letter-spacing: 0.26em; text-transform: uppercase;
    color: var(--c-diff); margin-bottom: 18px;
  }
  .eyebrow .dot { display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: currentColor; margin-right: 12px; vertical-align: 2px; }

  .hero h1 {
    font-family: "Instrument Serif", serif;
    font-weight: 400;
    font-size: clamp(40px, 6.4vw, 88px);
    line-height: 1.02;
    letter-spacing: -0.015em;
    margin: 0 0 22px;
  }
  .hero h1 em { font-style: italic; color: #cfe7ff; }

  .hero-sub {
    font-size: clamp(17px, 1.4vw, 20px);
    color: var(--text-dim);
    max-width: 52ch;
    margin: 0 0 28px;
  }
  .hero-tagline {
    display: flex; flex-wrap: wrap; gap: 10px 18px;
    margin-bottom: 36px;
    font-family: "Instrument Serif", serif; font-style: italic;
    color: #d4dcec;
    font-size: clamp(18px, 1.6vw, 22px);
  }
  .hero-tagline span::after { content: "·"; margin-left: 18px; color: var(--text-mute); }
  .hero-tagline span:last-child::after { content: ""; margin: 0; }

  .hero-cta { display: inline-flex; gap: 12px; }
  .btn {
    display: inline-flex; align-items: center; gap: 10px;
    padding: 14px 22px; border-radius: 999px;
    font: inherit; font-size: 14px; font-weight: 500; letter-spacing: 0.02em;
    text-decoration: none; cursor: pointer;
    transition: transform .15s ease, background .2s ease, border-color .2s ease;
  }
  .btn-primary {
    background: #f1f5fb; color: #08101c; border: 1px solid #f1f5fb;
  }
  .btn-primary:hover { transform: translateY(-1px); }
  .btn-ghost {
    background: transparent; color: var(--text); border: 1px solid var(--line-strong);
  }
  .btn-ghost:hover { border-color: rgba(255,255,255,0.4); }

  /* circular product moment */
  .orb-wrap {
    position: relative; aspect-ratio: 1/1; width: 100%; max-width: 540px; margin-left: auto;
  }
  .orb {
    position: absolute; inset: 0; border-radius: 50%;
    background:
      radial-gradient(circle at 50% 22%, rgba(207,231,255,0.55), rgba(80,140,200,0.18) 28%, rgba(8,14,28,0.95) 60%),
      radial-gradient(circle at 50% 78%, rgba(20,40,70,0.9), rgba(5,9,16,1) 70%),
      linear-gradient(180deg, #0a1424, #050913);
    box-shadow:
      inset 0 0 0 1px rgba(255,255,255,0.08),
      inset 0 -40px 80px rgba(0,0,0,0.5),
      0 30px 80px rgba(0,0,0,0.6),
      0 0 80px rgba(111,182,255,0.15);
    overflow: hidden;
  }
  .orb-ring {
    position: absolute; inset: 6px; border-radius: 50%;
    border: 1px solid rgba(143,214,255,0.18);
  }
  .orb-ring.r2 { inset: 22px; border-color: rgba(143,214,255,0.10); }
  .mist {
    position: absolute; left: 50%; top: 14%; width: 70%; transform: translateX(-50%);
    height: 55%;
    background: radial-gradient(50% 60% at 50% 0%, rgba(207,231,255,0.45), transparent 70%);
    filter: blur(10px); opacity: 0.85;
  }
  .droplet {
    position: absolute; left: 50%; top: 18%; transform: translateX(-50%);
    width: 32px; height: 44px;
    background: linear-gradient(180deg, #eaf4ff, #a9d0ff 60%, #4f86c6);
    border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%;
    clip-path: path("M16 0 C 6 18, 0 28, 0 34 a16 16 0 0 0 32 0 C 32 28, 26 18, 16 0 Z");
    box-shadow: 0 6px 24px rgba(143,214,255,0.45);
  }
  .orb-label {
    position: absolute; left: 0; right: 0; top: 44%;
    text-align: center; padding: 0 12%;
  }
  .orb-label .kicker {
    font-size: 11px; letter-spacing: 0.32em; text-transform: uppercase; color: var(--tangerine);
    margin-bottom: 10px;
  }
  .orb-label h2 {
    font-family: "Instrument Serif", serif; font-weight: 400;
    font-size: clamp(20px, 2.4vw, 28px); line-height: 1.15; margin: 0 0 14px;
    letter-spacing: 0.005em;
  }
  .orb-label .lede {
    font-family: "Instrument Serif", serif; font-style: italic;
    font-size: clamp(15px, 1.4vw, 17px); color: #cfdbef;
  }
  .orb-water {
    position: absolute; left: 8%; right: 8%; bottom: 14%; height: 18%;
    background:
      radial-gradient(60% 100% at 50% 100%, rgba(143,214,255,0.18), transparent 70%),
      linear-gradient(180deg, transparent, rgba(20,40,70,0.6));
    border-radius: 50%;
    filter: blur(4px);
  }

  /* ───────── Section scaffolding ───────── */
  section { position: relative; }
  .section-head { margin: 0 0 36px; max-width: 760px; }
  .section-eyebrow {
    font-size: 12px; letter-spacing: 0.26em; text-transform: uppercase;
    color: var(--text-mute); margin-bottom: 14px;
  }
  .section-title {
    font-family: "Instrument Serif", serif; font-weight: 400;
    font-size: clamp(30px, 4vw, 48px); line-height: 1.08; margin: 0 0 14px;
    letter-spacing: -0.01em;
  }
  .section-lede { color: var(--text-dim); font-size: 17px; max-width: 62ch; margin: 0; }

  .divider {
    height: 1px;
    background: linear-gradient(to right, transparent, var(--line-strong), transparent);
    margin: 0;
  }

  /* ───────── Benefit grid ───────── */
  .benefits {
    padding: clamp(64px, 8vw, 110px) 0;
  }
  .grid-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
  }
  @media (max-width: 1100px) { .grid-cards { grid-template-columns: repeat(2, 1fr); } }
  @media (max-width: 620px)  { .grid-cards { grid-template-columns: 1fr; } }

  .card {
    --accent: var(--c-physical);
    position: relative;
    background:
      linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0)),
      var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--r-lg);
    padding: 26px 24px 24px;
    overflow: hidden;
    transition: border-color .2s ease, transform .2s ease;
  }
  .card::before {
    content: "";
    position: absolute; left: 0; right: 0; top: 0; height: 1px;
    background: linear-gradient(to right, transparent, var(--accent) 20%, var(--accent) 80%, transparent);
    opacity: 0.7;
  }
  .card::after {
    content: ""; position: absolute; pointer-events: none;
    inset: -1px;
    border-radius: inherit;
    background: radial-gradient(120% 60% at 50% -10%, color-mix(in oklab, var(--accent) 35%, transparent), transparent 60%);
    opacity: 0.5;
   
  }
  .card:hover { border-color: color-mix(in oklab, var(--accent) 50%, var(--line-strong)); transform: translateY(-2px); }

  .card-head {
    display: flex; align-items: center; gap: 12px; margin-bottom: 18px;
    position: relative; z-index: 1;
  }
  .card-ico {
    width: 36px; height: 36px; border-radius: 10px;
    display: grid; place-items: center;
    background: color-mix(in oklab, var(--accent) 12%, transparent);
    color: var(--accent);
    border: 1px solid color-mix(in oklab, var(--accent) 35%, transparent);
  }
  .card-ico svg { width: 18px; height: 18px; stroke: currentColor; fill: none; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
  .card-title {
    font-size: 12px; letter-spacing: 0.18em; text-transform: uppercase;
    color: var(--accent);
    font-weight: 600;
    line-height: 1.25;
  }
  .card ul {
    list-style: none; padding: 0; margin: 0;
    display: flex; flex-direction: column; gap: 10px;
    position: relative; z-index: 1;
  }
  .card li {
    display: flex; gap: 12px;
    color: #d4dcec;
    font-size: 14.5px;
    line-height: 1.45;
  }
  .card li::before {
    content: ""; flex: 0 0 auto;
    width: 6px; height: 6px; margin-top: 8px; border-radius: 50%;
    background: var(--accent); opacity: 0.7;
  }

  /* card accent variants */
  .card.c-physical   { --accent: var(--c-physical); }
  .card.c-psych      { --accent: var(--c-psych); }
  .card.c-perf       { --accent: var(--c-perf); }
  .card.c-experience { --accent: var(--c-experience); }
  .card.c-use        { --accent: var(--c-use); }
  .card.c-ops        { --accent: var(--c-ops); }
  .card.c-social     { --accent: var(--c-social); }
  .card.c-env        { --accent: var(--c-env); }

  /* Free cooling pitch panel */
  .free-cooling {
    padding: clamp(56px, 7vw, 96px) 0;
    background:
      radial-gradient(70% 90% at 18% 0%, rgba(248,106,63,0.13), transparent 62%),
      radial-gradient(80% 90% at 85% 15%, rgba(143,214,255,0.10), transparent 64%),
      linear-gradient(180deg, var(--bg), var(--bg-2));
    border-top: 1px solid var(--line);
  }
  .free-panel {
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(248,106,63,0.25);
    border-radius: var(--r-lg);
    background:
      linear-gradient(135deg, rgba(248,106,63,0.08), rgba(255,255,255,0.02) 42%, rgba(143,214,255,0.06)),
      var(--surface);
    padding: clamp(28px, 5vw, 56px);
  }
  .free-panel::before {
    content: "";
    position: absolute;
    inset: 0 0 auto 0;
    height: 1px;
    background: linear-gradient(to right, transparent, var(--tangerine), transparent);
    opacity: 0.8;
  }
  .free-grid {
    display: grid;
    grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
    gap: clamp(28px, 5vw, 64px);
    align-items: start;
  }
  @media (max-width: 900px) { .free-grid { grid-template-columns: 1fr; } }
  .free-kicker {
    font-size: 12px;
    letter-spacing: 0.26em;
    text-transform: uppercase;
    color: var(--text-mute);
    margin-bottom: 14px;
  }
  .free-title {
    font-family: "Instrument Serif", serif;
    font-style: italic;
    font-weight: 400;
    font-size: clamp(46px, 8vw, 104px);
    line-height: 0.92;
    letter-spacing: -0.04em;
    color: var(--tangerine);
    margin: 0 0 18px;
  }
  .free-subtitle {
    font-size: clamp(21px, 2.4vw, 32px);
    line-height: 1.16;
    letter-spacing: -0.02em;
    color: #f4f7fb;
    max-width: 14ch;
    margin: 0;
  }
  .free-copy {
    color: var(--text-dim);
    font-size: 16px;
    line-height: 1.68;
  }
  .free-copy p { margin: 0 0 16px; }
  .free-copy p:last-child { margin-bottom: 0; }
  .free-explain {
    margin-top: 26px;
    padding-top: 22px;
    border-top: 1px solid var(--line);
  }
  .free-explain h3 {
    color: var(--tangerine);
    font-size: 12px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    font-weight: 700;
    margin: 0 0 12px;
  }

  /* ───────── Key Differentiators band ───────── */
  .diff {
    padding: clamp(56px, 8vw, 100px) 0;
    background:
      radial-gradient(60% 100% at 50% 0%, rgba(143,214,255,0.10), transparent 60%),
      linear-gradient(180deg, var(--bg-2), var(--bg));
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
  }
  .diff-inner { display: grid; grid-template-columns: 1fr 1.4fr; gap: clamp(28px, 5vw, 72px); align-items: start; }
  @media (max-width: 880px) { .diff-inner { grid-template-columns: 1fr; } }
  .diff-list {
    display: grid; grid-template-columns: 1fr 1fr; gap: 14px 22px;
    list-style: none; padding: 0; margin: 0;
  }
  @media (max-width: 600px) { .diff-list { grid-template-columns: 1fr; } }
  .diff-list li {
    display: flex; gap: 14px; padding: 16px 18px;
    background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-md);
    color: #e7ecf5; font-size: 15px; line-height: 1.4;
  }
  .diff-list li .num {
    flex: 0 0 auto;
    font-family: "Instrument Serif", serif;
    color: var(--tangerine); font-size: 18px; line-height: 1;
    width: 22px;
  }
  /* Full-width "featured" differentiator — spans both columns */
  .diff-list li.wide {
    grid-column: 1 / -1;
    padding: 20px 22px;
    background:
      linear-gradient(180deg, rgba(248,106,63,0.04), rgba(248,106,63,0)),
      var(--surface);
    border-color: rgba(248,106,63,0.22);
  }
  .diff-list li.wide .body {
    display: flex; flex-direction: column; gap: 6px;
  }
  .diff-list li.wide .lead {
    font-family: "Manrope", system-ui, -apple-system, "Segoe UI", sans-serif;
    font-style: normal;
    font-weight: 700;
    font-size: clamp(16px, 1.35vw, 19px);
    line-height: 1.3;
    color: var(--tangerine);
    letter-spacing: 0.01em;
  }
  .diff-list li.wide .detail {
    font-size: 14.5px;
    line-height: 1.55;
    color: var(--text-dim);
    max-width: 72ch;
  }
  .snowflake {
    display: inline-grid; place-items: center; width: 44px; height: 44px;
    border-radius: 50%; background: color-mix(in oklab, var(--c-diff) 14%, transparent);
    color: var(--c-diff); border: 1px solid color-mix(in oklab, var(--c-diff) 35%, transparent);
    margin-bottom: 20px;
  }
  .snowflake svg { width: 22px; height: 22px; stroke: currentColor; fill: none; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }

  /* ───────── Cultural & Historical Roots ───────── */
  .roots { padding: clamp(64px, 8vw, 110px) 0; }
  .roots-grid {
    display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px;
  }
  @media (max-width: 1100px) { .roots-grid { grid-template-columns: repeat(2, 1fr); } }
  @media (max-width: 560px)  { .roots-grid { grid-template-columns: 1fr; } }
  .root {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--r-md);
    padding: 24px 22px;
    position: relative;
  }
  .root .ico {
    width: 44px; height: 44px; border-radius: 10px;
    display: grid; place-items: center; margin-bottom: 18px;
    color: var(--c-history);
    background: color-mix(in oklab, var(--c-history) 10%, transparent);
    border: 1px solid color-mix(in oklab, var(--c-history) 30%, transparent);
  }
  .root .ico svg { width: 22px; height: 22px; stroke: currentColor; fill: none; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
  .root h4 {
    font-size: 12px; letter-spacing: 0.18em; text-transform: uppercase;
    color: var(--c-history); margin: 0 0 12px; font-weight: 600;
  }
  .root p { color: var(--text-dim); margin: 0; font-size: 14.5px; line-height: 1.55; }

  /* ───────── Pillars / footer block ───────── */
  .pillars {
    background: linear-gradient(180deg, var(--bg), #03060b);
    border-top: 1px solid var(--line);
    padding: clamp(48px, 6vw, 76px) 0;
  }
  .pillars-row {
    display: grid; grid-template-columns: repeat(4, 1fr) 1.2fr;
    gap: clamp(20px, 3vw, 40px);
    align-items: center;
  }
  @media (max-width: 1000px) { .pillars-row { grid-template-columns: repeat(2, 1fr); }
    .pillars-row .closer { grid-column: span 2; } }
  @media (max-width: 560px)  { .pillars-row { grid-template-columns: 1fr; }
    .pillars-row .closer { grid-column: span 1; } }
  .pillar {
    display: flex; align-items: center; gap: 14px;
    color: #e7ecf5; font-size: 13px; letter-spacing: 0.16em; text-transform: uppercase; font-weight: 500;
    line-height: 1.3;
  }
  .pillar svg {
    width: 26px; height: 26px; flex: 0 0 auto;
    stroke: #cfe7ff; fill: none; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round;
  }
  .closer {
    font-family: "Instrument Serif", serif; font-style: italic;
    color: var(--tangerine); font-size: clamp(18px, 1.8vw, 22px); line-height: 1.3;
    text-align: right;
  }
  @media (max-width: 1000px) { .closer { text-align: left; } }

  /* ───────── Footer ───────── */
  footer.site {
    padding: 28px 0 40px;
    border-top: 1px solid var(--line);
    color: var(--text-mute); font-size: 12.5px; letter-spacing: 0.06em;
  }
  .foot-row { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

  /* utility */
  .accent-dot {
    display: inline-block; width: 8px; height: 8px; border-radius: 50%;
    background: var(--accent, var(--c-diff)); margin-right: 10px; vertical-align: 1px;
  }