/* Glasshouse Studio — SKYLIGHT RIB VAULT / ATRIUM CLIMATE BOARD
   TOP arched greenhouse panes (not Harbor TOP buoys, not Craft TOP hooks,
   not Atelier BOTTOM gripper, not Radio dial dock, not Pitlane/Volt RIGHT,
   not Alpine/Lex LEFT, not Oasis bamboo, not Bloom trellis) */
@import url("https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,600;0,700;1,600&family=IBM+Plex+Mono:wght@400;500;600;700&family=Manrope:wght@400;500;600;700;800&display=swap");

:root {
  --mist: #eef5f1;
  --glass: rgba(255, 255, 255, 0.55);
  --pane: #f7fbf8;
  --sage: #3f6b5a;
  --deep: #1e3a30;
  --brass: #b08d57;
  --bloom: #d4786a;
  --sky: #8eb9c9;
  --ink: #1c2a24;
  --mute: #6a7a72;
  --vault: 108px;
  --wrap: min(1100px, calc(100% - 2.2rem));
  --font: "Manrope", system-ui, sans-serif;
  --display: "Cormorant Garamond", Georgia, serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100dvh;
  font: 16px/1.55 var(--font);
  color: var(--ink);
  background:
    radial-gradient(900px 420px at 50% 0%, rgba(142,185,201,0.28), transparent 55%),
    radial-gradient(700px 480px at 100% 80%, rgba(63,107,90,0.12), transparent 50%),
    linear-gradient(180deg, #e4efe8 0%, var(--mist) 40%, #e8f0ea 100%);
  overflow-x: hidden;
  padding-top: var(--vault);
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.5;
  background-image:
    linear-gradient(115deg, transparent 0 40%, rgba(255,255,255,0.35) 45%, transparent 55%),
    repeating-linear-gradient(90deg, transparent 0 64px, rgba(63,107,90,0.04) 64px 65px);
}

a { color: inherit; }
img, svg { max-width: 100%; display: block; }
h1, h2, h3 {
  font-family: var(--display);
  font-weight: 700;
  line-height: 0.98;
  letter-spacing: -0.02em;
  margin: 0 0 0.55rem;
  text-wrap: balance;
  color: var(--deep);
}
h1 { font-size: clamp(2.6rem, 6vw, 4.5rem); }
h2 { font-size: clamp(1.8rem, 3.2vw, 2.7rem); }
h3 { font-size: clamp(1.2rem, 1.8vw, 1.45rem); }
h1 em { font-style: italic; color: var(--bloom); font-weight: 600; }
h1 span { color: var(--sage); }

.back-st {
  position: fixed;
  top: calc(var(--vault) + 10px);
  left: max(10px, env(safe-area-inset-left));
  z-index: 160;
  padding: 0.42rem 0.7rem;
  font: 700 11px/1 var(--mono);
  background: var(--deep);
  color: var(--mist);
  border: 0;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.seal {
  position: fixed;
  bottom: max(16px, env(safe-area-inset-bottom));
  right: max(14px, env(safe-area-inset-right));
  z-index: 160;
  width: 64px; height: 64px;
  border-radius: 4px;
  display: grid;
  place-items: center;
  text-decoration: none;
  background: var(--glass);
  backdrop-filter: blur(10px);
  color: var(--brass);
  border: 1.5px solid rgba(176,141,87,0.55);
  font: 700 0.52rem/1.05 var(--mono);
  text-align: center;
  box-shadow: 0 10px 24px rgba(30,58,48,0.12);
}
.seal b { display: block; font-size: 0.95rem; color: var(--deep); }

/* ===== NO standard header — TOP SKYLIGHT RIB VAULT (arched glass panes) ===== */
.skylight {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 150;
  height: var(--vault);
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: stretch;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.65), rgba(238,245,241,0.4)),
    linear-gradient(180deg, #d7e6dd 0%, #c5d8ce 100%);
  border-bottom: 2px solid rgba(176,141,87,0.45);
  box-shadow: 0 12px 28px rgba(30,58,48,0.1);
  padding-top: env(safe-area-inset-top);
  clip-path: polygon(0 0, 100% 0, 100% 78%, 92% 100%, 80% 86%, 68% 100%, 56% 86%, 44% 100%, 32% 86%, 20% 100%, 8% 86%, 0 100%);
}
.skylight::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    repeating-linear-gradient(90deg,
      transparent 0 58px,
      rgba(30,58,48,0.18) 58px 60px);
  opacity: 0.7;
}
.skylight__brand {
  position: relative;
  z-index: 1;
  display: grid;
  align-content: center;
  padding: 0 1rem 12px;
  text-decoration: none;
  min-width: 120px;
  border-right: 1px solid rgba(30,58,48,0.12);
}
.skylight__brand strong {
  font-family: var(--display);
  font-size: 1.45rem;
  font-weight: 700;
  line-height: 0.95;
  color: var(--deep);
}
.skylight__brand small {
  display: block;
  margin-top: 0.2rem;
  font: 600 0.55rem/1 var(--mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mute);
}
.sky-toggle {
  display: none;
  position: relative;
  z-index: 1;
  align-self: center;
  margin: 0 0.75rem 12px 0;
  width: 42px; height: 36px;
  background: transparent;
  border: 1px solid rgba(30,58,48,0.3);
  color: var(--deep);
  cursor: pointer;
  place-items: center;
  gap: 4px;
  flex-direction: column;
  padding: 0;
}
.sky-toggle i {
  display: block;
  width: 16px; height: 1.5px;
  background: currentColor;
}
.skylight__panes {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: stretch;
  justify-content: center;
  gap: 0;
  overflow-x: auto;
  scrollbar-width: none;
  padding: 0 0.2rem 14px;
}
.skylight__panes::-webkit-scrollbar { display: none; }
.skylight__panes a {
  position: relative;
  display: grid;
  place-content: end center;
  min-width: 72px;
  padding: 0.35rem 0.55rem 0.45rem;
  text-decoration: none;
  font: 700 0.58rem/1 var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--deep);
  background: linear-gradient(180deg, rgba(255,255,255,0.55), rgba(255,255,255,0.18));
  border-right: 1px solid rgba(30,58,48,0.14);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.35);
  transition: background 0.15s, color 0.15s;
}
.skylight__panes a::before {
  content: "";
  position: absolute;
  top: 8px; left: 50%;
  width: 8px; height: 8px;
  transform: translateX(-50%);
  border-radius: 50%;
  background: var(--brass);
  box-shadow: 0 0 0 2px rgba(176,141,87,0.2);
}
.skylight__panes a:nth-child(3n)::before { background: var(--sage); }
.skylight__panes a:nth-child(3n+1)::before { background: var(--bloom); }
.skylight__panes a[aria-current="page"],
.skylight__panes a:hover {
  background: linear-gradient(180deg, rgba(255,255,255,0.85), rgba(142,185,201,0.2));
  color: var(--sage);
}
.skylight__climate {
  position: relative;
  z-index: 1;
  display: grid;
  align-content: center;
  gap: 0.15rem;
  padding: 0 1rem 12px;
  border-left: 1px solid rgba(30,58,48,0.12);
  font-family: var(--mono);
  text-align: right;
  min-width: 92px;
}
.skylight__climate b {
  font-size: 1rem;
  color: var(--sage);
  line-height: 1;
}
.skylight__climate span {
  font-size: 0.52rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mute);
}

.shell { position: relative; z-index: 1; }
.wrap { width: var(--wrap); margin-inline: auto; }
.ribbon {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  padding: 1rem 0 0.2rem;
}
.ribbon span {
  font: 600 0.62rem/1 var(--mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.42rem 0.55rem;
  border: 1px dashed rgba(63,107,90,0.35);
  background: rgba(255,255,255,0.45);
  color: var(--mute);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font: 600 0.68rem/1 var(--mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brass);
  margin-bottom: 0.65rem;
}
.eyebrow::before {
  content: "";
  width: 14px; height: 10px;
  background:
    linear-gradient(90deg, transparent 0 2px, var(--brass) 2px 3px, transparent 3px 6px, var(--brass) 6px 7px, transparent 7px),
    linear-gradient(180deg, rgba(142,185,201,0.5), rgba(255,255,255,0.2));
  border: 1px solid rgba(176,141,87,0.45);
}
.lead { font-size: 1.05rem; max-width: 58ch; color: #3a4a42; }
.muted { color: var(--mute); }
.note {
  margin: 0.9rem 0 1.1rem;
  padding: 0.85rem 1rem;
  background: rgba(142,185,201,0.15);
  border-left: 3px solid var(--sky);
  color: #3a4a42;
  font-size: 0.95rem;
}
.section { padding: 2.1rem 0 0.4rem; }
.actions { display: flex; flex-wrap: wrap; gap: 0.55rem; margin-top: 1.1rem; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.72rem 1.05rem;
  border: 1.5px solid var(--deep);
  background: transparent;
  color: var(--deep);
  font: 700 0.75rem/1 var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  box-shadow: 2px 2px 0 rgba(30,58,48,0.08);
  transition: transform 0.12s, box-shadow 0.12s, background 0.12s;
}
.btn:hover { transform: translate(-1px, -1px); box-shadow: 3px 3px 0 rgba(30,58,48,0.14); }
.btn-glass { background: var(--sage); border-color: var(--sage); color: #fff; }
.btn-brass { background: var(--brass); border-color: var(--brass); color: #fff; }
.btn-bloom { background: var(--bloom); border-color: var(--bloom); color: #fff; }
.btn-ghost { background: rgba(255,255,255,0.55); }

/* Atrium climate hero */
.atrium {
  display: grid;
  grid-template-columns: 1.3fr 0.95fr;
  gap: 1.1rem;
  padding: 1.15rem 0 0.4rem;
  align-items: start;
}
.atrium__ledger {
  position: relative;
  background: var(--pane);
  border: 1.5px solid rgba(30,58,48,0.22);
  padding: 1.4rem 1.3rem 1.25rem;
  overflow: hidden;
  min-height: 340px;
  box-shadow: 8px 12px 0 rgba(30,58,48,0.06);
  backdrop-filter: blur(2px);
}
.atrium__ledger::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(115deg, transparent 30%, rgba(255,255,255,0.55) 48%, transparent 62%),
    repeating-linear-gradient(90deg, transparent 0 48px, rgba(63,107,90,0.06) 48px 49px),
    repeating-linear-gradient(0deg, transparent 0 48px, rgba(63,107,90,0.05) 48px 49px);
}
.atrium__ledger::after {
  content: "ATRIUM · lux 4200 · RH 48%";
  position: absolute;
  top: 16px; right: 18px;
  font: 600 0.58rem/1 var(--mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mute);
}
.atrium__ledger > * { position: relative; z-index: 1; }

.climate {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.55rem;
  margin: 1.15rem 0 0.2rem;
}
.climate article {
  border: 1px solid rgba(30,58,48,0.14);
  background: rgba(255,255,255,0.55);
  padding: 0.65rem 0.7rem;
}
.climate b {
  display: block;
  font-family: var(--mono);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--deep);
}
.climate span {
  display: block;
  margin-top: 0.2rem;
  font: 500 0.62rem/1.2 var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mute);
}

.glass-stack { display: grid; gap: 0.65rem; }
.glass-card {
  background: rgba(255,255,255,0.62);
  border: 1.5px solid rgba(176,141,87,0.4);
  padding: 0.85rem 0.95rem;
  position: relative;
  box-shadow: 4px 4px 0 rgba(30,58,48,0.05);
  backdrop-filter: blur(8px);
}
.glass-card::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 5px;
  background: linear-gradient(180deg, var(--sky), var(--sage), var(--brass));
}
.glass-card--hot {
  border-color: var(--bloom);
  background: rgba(255,248,246,0.8);
}
.glass-card__meta {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  font: 600 0.62rem/1 var(--mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mute);
  margin: 0 0 0.35rem 0.45rem;
}
.glass-card h3 { margin: 0 0 0 0.45rem; font-size: 1.15rem; }
.glass-card p { margin: 0.2rem 0 0 0.45rem; color: var(--mute); font-size: 0.9rem; }
.glass-card .price {
  margin: 0.45rem 0 0 0.45rem;
  font: 700 1.05rem/1 var(--mono);
  color: var(--brass);
}

.tiers, .split-3 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.7rem;
  margin-top: 1rem;
}
.split-3 { grid-template-columns: repeat(3, 1fr); }
.tier {
  background: rgba(255,255,255,0.6);
  border: 1px solid rgba(30,58,48,0.16);
  padding: 0.95rem 0.9rem;
  box-shadow: 3px 3px 0 rgba(30,58,48,0.04);
}
.tier .n {
  font: 700 0.7rem/1 var(--mono);
  letter-spacing: 0.12em;
  color: var(--sage);
  margin-bottom: 0.45rem;
}
.tier h3 { margin-bottom: 0.25rem; }
.tier p { margin: 0; font-size: 0.9rem; }

.board {
  display: grid;
  grid-template-columns: 1.2fr 0.9fr;
  gap: 1rem;
  margin-top: 0.85rem;
}
.tray { display: grid; gap: 0.5rem; }
.tray-row {
  display: grid;
  grid-template-columns: 56px 1fr auto;
  gap: 0.75rem;
  align-items: center;
  padding: 0.7rem 0.8rem;
  background: rgba(255,255,255,0.62);
  border: 1px solid rgba(30,58,48,0.12);
}
.tray-row .code {
  font: 700 0.68rem/1 var(--mono);
  letter-spacing: 0.04em;
  color: #fff;
  background: var(--sage);
  padding: 0.55rem 0.15rem;
  text-align: center;
}
.tray-row h3 { margin: 0; font-size: 1.05rem; }
.tray-row p { margin: 0.15rem 0 0; font-size: 0.85rem; color: var(--mute); }
.tray-row .price {
  font: 700 0.9rem/1 var(--mono);
  color: var(--brass);
  white-space: nowrap;
}

.panel {
  background: rgba(255,255,255,0.62);
  border: 1px solid rgba(30,58,48,0.16);
  padding: 1rem 1.05rem;
  margin-bottom: 0.7rem;
}
.panel.dark {
  background: var(--deep);
  color: var(--mist);
  border-color: var(--deep);
}
.panel.dark .kv span { color: rgba(238,245,241,0.78); }
.panel h3 { margin-bottom: 0.7rem; }
.panel.dark h3 { color: var(--mist); }
.kv {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 0.5rem;
  padding: 0.45rem 0;
  border-bottom: 1px dashed rgba(30,58,48,0.14);
  font-size: 0.92rem;
}
.panel.dark .kv { border-bottom-color: rgba(238,245,241,0.12); }
.kv:last-child { border-bottom: 0; }
.kv b {
  font: 700 0.68rem/1.4 var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brass);
}
.panel.dark .kv b { color: #e2c89a; }

.menu-head {
  display: grid;
  grid-template-columns: 1fr minmax(200px, 280px);
  gap: 1rem;
  align-items: end;
  margin-bottom: 0.9rem;
}
.menu-head input[type="search"] {
  width: 100%;
  padding: 0.8rem 0.9rem;
  border: 1.5px solid rgba(30,58,48,0.25);
  background: rgba(255,255,255,0.7);
  font: 500 0.9rem/1.2 var(--font);
  color: var(--ink);
}
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.9rem;
}
.chip {
  padding: 0.55rem 0.75rem;
  border: 1px solid rgba(30,58,48,0.25);
  background: rgba(255,255,255,0.6);
  font: 700 0.65rem/1 var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  color: var(--deep);
}
.chip.on { background: var(--sage); color: #fff; border-color: var(--sage); }

.menu-sheet { display: grid; gap: 0.55rem; }
.pane-card {
  display: grid;
  grid-template-columns: 58px 1.2fr 1.4fr auto auto;
  gap: 0.75rem;
  align-items: center;
  padding: 0.75rem 0.85rem;
  background: rgba(255,255,255,0.65);
  border: 1px solid rgba(30,58,48,0.14);
  box-shadow: 2px 2px 0 rgba(30,58,48,0.04);
}
.pane-card .code {
  display: grid;
  place-items: center;
  aspect-ratio: 1;
  background: rgba(142,185,201,0.25);
  color: var(--deep);
  font: 700 0.68rem/1 var(--mono);
  border: 1px solid rgba(176,141,87,0.45);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.5);
}
.pane-card .cat {
  font: 600 0.62rem/1 var(--mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--sage);
  margin-bottom: 0.2rem;
}
.pane-card h3 { margin: 0.1rem 0 0; font-size: 1.08rem; }
.pane-card .blurb { margin: 0; font-size: 0.88rem; }
.pane-card .price {
  font: 700 1rem/1 var(--mono);
  color: var(--deep);
  white-space: nowrap;
}

.form {
  display: grid;
  gap: 0.7rem;
  background: rgba(255,255,255,0.7);
  border: 1.5px solid rgba(30,58,48,0.2);
  padding: 1.1rem;
  box-shadow: 4px 4px 0 rgba(30,58,48,0.05);
}
.form label {
  display: grid;
  gap: 0.35rem;
  font: 600 0.68rem/1 var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mute);
}
.form input, .form select, .form textarea {
  width: 100%;
  padding: 0.7rem 0.75rem;
  border: 1px solid rgba(30,58,48,0.22);
  background: #fff;
  font: 500 0.95rem/1.3 var(--font);
  color: var(--ink);
}
.form textarea { min-height: 110px; resize: vertical; }

.team-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.7rem;
  margin-top: 1rem;
}
.person {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 0.75rem;
  align-items: center;
  padding: 0.8rem;
  background: rgba(255,255,255,0.62);
  border: 1px solid rgba(30,58,48,0.12);
}
.avatar {
  width: 64px; height: 64px;
  background:
    linear-gradient(135deg, rgba(142,185,201,0.45), rgba(63,107,90,0.35)),
    repeating-linear-gradient(90deg, transparent 0 8px, rgba(255,255,255,0.25) 8px 9px);
  border: 1px solid rgba(176,141,87,0.45);
}
.gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.55rem;
  margin-top: 1rem;
}
.g {
  min-height: 120px;
  display: grid;
  place-items: end start;
  padding: 0.7rem;
  border: 1px solid rgba(30,58,48,0.14);
  background:
    linear-gradient(160deg, rgba(142,185,201,0.25), transparent 50%),
    linear-gradient(320deg, rgba(63,107,90,0.12), transparent 45%),
    rgba(255,255,255,0.55);
  font: 700 0.68rem/1 var(--mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--deep);
}
.faq details {
  background: rgba(255,255,255,0.62);
  border: 1px solid rgba(30,58,48,0.14);
  padding: 0.85rem 1rem;
  margin-bottom: 0.5rem;
}
.faq summary {
  cursor: pointer;
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.15rem;
}
.faq p { margin: 0.55rem 0 0; }

.buyer {
  width: 100%;
  margin-top: 1.4rem;
  border-collapse: collapse;
  font-size: 0.88rem;
}
.buyer th, .buyer td {
  border: 1px solid rgba(30,58,48,0.18);
  padding: 0.7rem 0.85rem;
  text-align: left;
  background: rgba(255,255,255,0.7);
}
.buyer th {
  font: 700 0.68rem/1 var(--mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: rgba(176,141,87,0.18);
  color: var(--deep);
}

.footer {
  margin-top: 2.4rem;
  padding: 1.6rem 0 1.2rem;
  border-top: 1.5px solid rgba(30,58,48,0.16);
  background: rgba(255,255,255,0.4);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 1.2rem;
}
.footer a { text-decoration: underline; text-underline-offset: 2px; }
.footer p { margin: 0.35rem 0 0; color: var(--mute); font-size: 0.92rem; }

.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%) translateY(12px);
  z-index: 200;
  background: var(--deep);
  color: var(--mist);
  padding: 0.7rem 1rem;
  font: 600 0.78rem/1 var(--mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s, transform 0.2s;
  border: 1px solid var(--brass);
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

.reveal { opacity: 0; transform: translateY(12px); transition: opacity 0.45s, transform 0.45s; }
.reveal.in { opacity: 1; transform: none; }

@media (max-width: 960px) {
  .atrium, .board, .menu-head { grid-template-columns: 1fr; }
  .tiers { grid-template-columns: repeat(2, 1fr); }
  .pane-card {
    grid-template-columns: 52px 1fr auto;
    grid-template-rows: auto auto;
  }
  .pane-card .blurb { grid-column: 2 / -1; }
  .pane-card .btn { grid-column: 3; grid-row: 1 / span 2; align-self: center; }
  .footer-grid { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: repeat(2, 1fr); }
  .skylight__climate { display: none; }
}

@media (max-width: 720px) {
  :root { --vault: 78px; }
  .skylight {
    grid-template-columns: 1fr auto;
    clip-path: none;
  }
  .skylight__panes {
    display: none;
    position: absolute;
    left: 0; right: 0;
    top: 100%;
    flex-direction: column;
    align-items: stretch;
    background: #dce8e1;
    border-bottom: 2px solid var(--brass);
    max-height: min(70vh, 420px);
    overflow: auto;
    padding: 0.35rem 0;
  }
  .skylight__panes.is-open { display: flex; }
  .skylight__panes a {
    min-width: 0;
    place-content: center start;
    padding: 0.9rem 1rem 0.9rem 2.2rem;
    border-right: 0;
    border-bottom: 1px solid rgba(30,58,48,0.1);
  }
  .skylight__panes a::before { left: 1rem; top: 50%; transform: translateY(-50%); }
  .sky-toggle { display: grid; }
  .climate, .split-3, .team-grid { grid-template-columns: 1fr; }
  .tiers { grid-template-columns: 1fr 1fr; }
  .back-st { top: calc(var(--vault) + 8px); }
  .pane-card { grid-template-columns: 48px 1fr; }
  .pane-card .price { grid-column: 2; }
  .pane-card .btn { grid-column: 1 / -1; grid-row: auto; width: 100%; }
}


/* NAV-FIX: always-visible back + working mobile menu */
.back-st{
  position:fixed!important;
  z-index:9999!important;
  display:inline-flex!important;
  align-items:center!important;
  justify-content:center!important;
  min-height:40px!important;
  padding:.45rem .75rem!important;
  background:#111!important;
  color:#f5f5f5!important;
  border:0!important;
  box-shadow:0 4px 14px rgba(0,0,0,.28)!important;
  text-decoration:none!important;
  text-transform:uppercase!important;
  font-weight:700!important;
  letter-spacing:.06em!important;
  opacity:1!important;
  visibility:visible!important;
  pointer-events:auto!important;
  transform:none!important;
  writing-mode:horizontal-tb!important;
  clip-path:none!important;
  mix-blend-mode:normal!important;
  right:auto!important;
  bottom:auto!important;
}
.back-st{top:max(12px,env(safe-area-inset-top))!important;left:max(10px,env(safe-area-inset-left))!important;border-radius:0!important;}

/* LAYOUT-FIX: hero composition variant */
@media(min-width:901px){.atrium{grid-template-columns:1.35fr .8fr!important;} .atrium>:last-child{display:flex!important;flex-direction:column!important;gap:.5rem!important;}}

@media (max-width:820px){
  [class*="toggle"],.nav-toggle{
    display:inline-flex!important;align-items:center;justify-content:center;
    min-width:44px;min-height:44px;cursor:pointer;
    pointer-events:auto!important;visibility:visible!important;opacity:1!important;
    background:#111!important;color:#fff!important;
    border:1px solid rgba(255,255,255,.35)!important;
    z-index:10002!important;
  }
  [class*="toggle"] i,.nav-toggle i{background:#fff!important;display:block!important;}
  
  .skylight{
    top:0!important;left:0!important;right:0!important;bottom:auto!important;
    width:100%!important;height:auto!important;min-height:56px!important;
    flex-direction:row!important;align-items:center!important;
    overflow:visible!important;z-index:9000!important;
    padding-top:env(safe-area-inset-top)!important;
  }
  .skylight [class*="__rack"],.skylight [class*="__shelf"],.skylight [class*="__strand"],.skylight [class*="__frames"],.skylight [class*="__stones"],.skylight [class*="__wheels"],.skylight [class*="__links"],.skylight [class*="__flow"],.skylight [class*="__grid"],.skylight [class*="__route"],[class*="__steps"],[class*="__ports"],[class*="__nav"],[class*="__menu"],[class*="__list"],.skylight [class*="__beads"]{
    display:none!important;
    position:fixed!important;left:0!important;right:0!important;bottom:0!important;top:auto!important;
    max-height:min(62dvh,560px)!important;overflow:auto!important;
    flex-direction:column!important;gap:.4rem!important;
    padding:1rem 1rem calc(1rem + env(safe-area-inset-bottom))!important;
    background:#141414!important;color:#f5f5f5!important;
    border-radius:18px 18px 0 0!important;
    box-shadow:0 -12px 40px rgba(0,0,0,.35)!important;
    z-index:10001!important;
  }
  body{padding-left:0!important;padding-right:0!important;padding-top:max(68px,calc(56px + env(safe-area-inset-top)))!important;padding-bottom:max(88px,calc(72px + env(safe-area-inset-bottom)))!important;}
  .seal{top:auto!important;bottom:max(18px,env(safe-area-inset-bottom))!important;right:max(14px,env(safe-area-inset-right))!important;left:auto!important;z-index:9001!important;}
  [class*="toggle"]{
    position:fixed!important;left:50%!important;bottom:max(14px,env(safe-area-inset-bottom))!important;
    transform:translateX(-50%)!important;margin:0!important;
    width:56px!important;height:56px!important;border-radius:50%!important;
    z-index:10002!important;box-shadow:0 10px 24px rgba(0,0,0,.35)!important;
  }

  [class*="__rack"].is-open,[class*="__shelf"].is-open,[class*="__strand"].is-open,[class*="__frames"].is-open,[class*="__stones"].is-open,[class*="__wheels"].is-open,[class*="__links"].is-open,[class*="__flow"].is-open,[class*="__grid"].is-open,[class*="__route"],[class*="__steps"],[class*="__ports"],[class*="__nav"],[class*="__menu"],[class*="__list"].is-open,[class*="__beads"].is-open,.is-open[class*="__"],.topnav__links.is-open,.mast__links.is-open{display:flex!important;}
  .back-st{top:max(10px,env(safe-area-inset-top))!important;left:max(10px,env(safe-area-inset-left))!important;transform:none!important;writing-mode:horizontal-tb!important;}
}