/* ==========================================================================
   QUANTUM METRICS — glass.css
   Refined "glass & depth" layer (neo-skeuomorphic) + seamless multi-page
   View Transitions. Loads AFTER tokens.css + site.css and evolves the look.
   Palette/type stay on-brand; execution gains material, depth, and flow.
   ========================================================================== */

/* --------------------------------------------------------------------------
   Cross-document View Transitions (multi-page). Chromium 126+; degrades to
   a normal navigation elsewhere. This is what makes pages blend, not jump.
   -------------------------------------------------------------------------- */
@view-transition { navigation: auto; }

::view-transition-old(root) { animation: vtOut 0.32s var(--ease-standard) both; }
::view-transition-new(root) { animation: vtIn 0.46s var(--ease-out) both; }
@keyframes vtOut { to   { opacity: 0; transform: translateY(-10px) scale(0.994); filter: blur(2px); } }
@keyframes vtIn  { from { opacity: 0; transform: translateY(16px)  scale(0.996); } }

/* Persistent chrome — the header morphs across pages instead of re-fading */
.site-header { view-transition-name: site-header; }
.site-footer { view-transition-name: site-footer; }

@media (prefers-reduced-motion: reduce) {
  ::view-transition-group(*), ::view-transition-old(*), ::view-transition-new(*) { animation: none !important; }
}

/* --------------------------------------------------------------------------
   Material tokens — light from above, layered elevation
   -------------------------------------------------------------------------- */
:root {
  --glass-light:      rgba(255,255,255,0.60);
  --glass-light-2:    rgba(255,255,255,0.78);
  --glass-light-brd:  rgba(255,255,255,0.75);
  --glass-dark:       rgba(24,29,28,0.42);
  --glass-dark-2:     rgba(24,29,28,0.62);
  --glass-dark-brd:   rgba(255,255,255,0.10);

  --elev-1: 0 1px 2px rgba(20,24,23,0.05), 0 4px 12px rgba(20,24,23,0.06);
  --elev-2: 0 2px 6px rgba(20,24,23,0.06), 0 14px 34px rgba(20,24,23,0.10);
  --elev-3: 0 10px 28px rgba(20,24,23,0.10), 0 34px 68px rgba(20,24,23,0.16);
  --hl-top:   inset 0 1px 0 rgba(255,255,255,0.70);
  --hl-top-d: inset 0 1px 0 rgba(255,255,255,0.10);
  --blur: blur(20px) saturate(1.5);
}

/* --------------------------------------------------------------------------
   Glass surfaces
   -------------------------------------------------------------------------- */
.glass {
  background: var(--glass-light); -webkit-backdrop-filter: var(--blur); backdrop-filter: var(--blur);
  border: 1px solid var(--glass-light-brd); border-radius: var(--radius-xl);
  box-shadow: var(--elev-2), var(--hl-top);
}
.glass--solid { background: var(--glass-light-2); }
.glass--dark {
  background: var(--glass-dark); border-color: var(--glass-dark-brd);
  box-shadow: var(--elev-2), var(--hl-top-d); color: var(--fg-invert);
}
.glass--dark.glass--solid { background: var(--glass-dark-2); }

/* Spotlight — a soft highlight follows the cursor across a panel (set by JS) */
.spotlight { position: relative; overflow: hidden; }
.spotlight::before {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0;
  background: radial-gradient(340px circle at var(--mx, 50%) var(--my, 0%),
              rgba(44,106,104,0.16), transparent 60%);
  transition: opacity var(--duration-normal) var(--ease-standard);
}
.spotlight:hover::before { opacity: 1; }

/* --------------------------------------------------------------------------
   Tactile controls — pressable, light-from-above
   -------------------------------------------------------------------------- */
.seg {
  display: inline-flex; padding: 4px; gap: 3px; border-radius: var(--radius-pill);
  background: linear-gradient(#edf0ef, #e2e6e4);
  box-shadow: inset 0 1px 3px rgba(20,24,23,0.14), 0 1px 0 rgba(255,255,255,0.7);
}
.seg button {
  border: none; background: transparent; padding: 9px 20px; border-radius: var(--radius-pill);
  font: var(--fw-medium) var(--text-sm)/1 var(--font-sans); color: var(--fg-2); cursor: pointer;
  transition: color var(--duration-fast) var(--ease-standard);
}
.seg button.is-active {
  background: linear-gradient(#ffffff, #f3f6f5); color: var(--fg-1);
  box-shadow: 0 1px 2px rgba(20,24,23,0.16), inset 0 1px 0 #ffffff;
}
.seg--dark { background: linear-gradient(#12100f00, rgba(0,0,0,0.28)); box-shadow: inset 0 1px 3px rgba(0,0,0,0.4), 0 1px 0 rgba(255,255,255,0.06); }
.seg--dark button { color: var(--qm-ink-300); }
.seg--dark button.is-active { background: linear-gradient(rgba(255,255,255,0.14), rgba(255,255,255,0.06));
  color: var(--fg-invert); box-shadow: inset 0 1px 0 rgba(255,255,255,0.18); }

/* Tactile primary button — dimensional, presses in */
.btn--tactile {
  background: linear-gradient(var(--qm-teal-500), var(--qm-teal-600)); color: var(--fg-invert);
  border: 1px solid var(--qm-teal-700);
  box-shadow: 0 1px 0 rgba(255,255,255,0.25) inset, 0 6px 16px rgba(44,106,104,0.35), var(--elev-1);
  transition: transform var(--duration-fast) var(--ease-standard), box-shadow var(--duration-fast) var(--ease-standard);
}
.btn--tactile:hover { background: linear-gradient(var(--qm-teal-500), var(--qm-teal-700)); }
.btn--tactile:active { transform: translateY(1px);
  box-shadow: 0 1px 0 rgba(255,255,255,0.15) inset, 0 2px 6px rgba(44,106,104,0.3); }

/* --------------------------------------------------------------------------
   Accordion — glass, smooth height reveal
   -------------------------------------------------------------------------- */
.acc { display: grid; gap: var(--space-3); }
.acc__item { border: 1px solid var(--border-1); border-radius: var(--radius-lg); background: var(--glass-light-2);
  -webkit-backdrop-filter: var(--blur); backdrop-filter: var(--blur); box-shadow: var(--elev-1), var(--hl-top); overflow: hidden; }
.acc__head { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: var(--space-4);
  padding: var(--space-5) var(--space-6); background: transparent; border: none; cursor: pointer; text-align: left;
  font-family: var(--font-display); font-size: var(--text-md); color: var(--fg-1); }
.acc__head .chev { transition: transform var(--duration-normal) var(--ease-standard); color: var(--fg-brand); flex: none; }
.acc__item.is-open .chev { transform: rotate(180deg); }
.acc__panel { display: grid; grid-template-rows: 0fr; transition: grid-template-rows var(--duration-slow) var(--ease-standard); }
.acc__item.is-open .acc__panel { grid-template-rows: 1fr; }
.acc__panel > div { overflow: hidden; }
.acc__body { padding: 0 var(--space-6) var(--space-5); color: var(--fg-2); font-size: var(--text-sm); }

/* --------------------------------------------------------------------------
   Page hero (glass era) — shared across pages
   -------------------------------------------------------------------------- */
.phero { position: relative; background: var(--bg-ink); color: var(--fg-invert); overflow: hidden; isolation: isolate; }
.phero__bg { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
.phero__grid { position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, rgba(255,255,255,0.045) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.045) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(110% 120% at 80% 0%, #000, transparent 70%);
          mask-image: radial-gradient(110% 120% at 80% 0%, #000, transparent 70%); }
.phero__glow { position: absolute; width: 720px; height: 720px; right: -160px; top: -220px; border-radius: 50%;
  background: radial-gradient(circle, rgba(44,106,104,0.40), transparent 66%); filter: blur(22px);
  animation: heroGlow 16s var(--ease-standard) infinite alternate; }
/* Documentary photo layer — masked so it lives on the right and fades out
   behind the text on the left; sits under the grid + glow. */
.phero__photo { position: absolute; inset: 0; background-size: cover; background-position: center right;
  opacity: 0.38; filter: saturate(0.82) contrast(1.02);
  -webkit-mask-image: linear-gradient(to right, transparent 0%, transparent 24%, rgba(0,0,0,0.45) 58%, #000 86%);
          mask-image: linear-gradient(to right, transparent 0%, transparent 24%, rgba(0,0,0,0.45) 58%, #000 86%); }
.phero__photo::after { content: ""; position: absolute; inset: 0;
  background: linear-gradient(to top, var(--bg-ink) 2%, transparent 42%); }

.phero__inner { position: relative; z-index: 1; padding-block: var(--space-20) var(--space-16); }
.phero__eyebrow { color: var(--qm-teal-300); }
.phero h1 { font-family: var(--font-display); font-weight: var(--fw-regular);
  font-size: clamp(var(--text-4xl), 5.5vw, var(--text-6xl)); line-height: var(--lh-tight);
  letter-spacing: var(--tracking-tight); color: var(--fg-invert); margin: 0 0 var(--space-5); }
.phero__lede { font-size: var(--text-lg); color: var(--qm-ink-300); max-width: 60ch; margin: 0; text-wrap: pretty; }

/* --------------------------------------------------------------------------
   Page-entry rise — content lifts in beneath the transition
   -------------------------------------------------------------------------- */
.rise { opacity: 0; transform: translateY(20px); animation: riseIn 0.7s var(--ease-out) forwards; }
.rise-2 { animation-delay: 0.08s; } .rise-3 { animation-delay: 0.16s; } .rise-4 { animation-delay: 0.24s; }
@keyframes riseIn { to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { .rise, .rise-2, .rise-3, .rise-4 { animation: none; opacity: 1; transform: none; } }

/* --------------------------------------------------------------------------
   Layered navigation tiles (home) — the doorways into the site
   -------------------------------------------------------------------------- */
.tiles { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-5); }
.tile {
  position: relative; display: flex; flex-direction: column; min-height: 250px;
  padding: var(--space-8); border-radius: var(--radius-xl); text-decoration: none; color: var(--fg-1);
  border: 1px solid var(--border-1); background: var(--glass-light-2);
  -webkit-backdrop-filter: var(--blur); backdrop-filter: var(--blur);
  box-shadow: var(--elev-1), var(--hl-top);
  transition: box-shadow 0.35s var(--ease-standard), transform 0.35s var(--ease-standard), border-color 0.35s;
}
.tile:hover { box-shadow: var(--elev-3), var(--hl-top); border-color: var(--border-2); transform: translateY(-3px); }
.tile__num { font-family: var(--font-mono); font-size: var(--text-xs); color: var(--fg-3); letter-spacing: 0.1em; }
.tile__icon { width: 48px; height: 48px; border-radius: var(--radius-lg); display: inline-flex; align-items: center;
  justify-content: center; background: linear-gradient(var(--qm-teal-50), #fff); border: 1px solid var(--qm-teal-100);
  color: var(--fg-brand); box-shadow: var(--hl-top), var(--elev-1); margin: var(--space-4) 0 var(--space-5); }
.tile__icon svg { width: 24px; height: 24px; }
.tile h3 { font-family: var(--font-display); font-weight: var(--fw-regular); font-size: var(--text-2xl);
  margin: 0 0 var(--space-2); letter-spacing: -0.01em; }
.tile p { margin: 0; font-size: var(--text-sm); color: var(--fg-2); max-width: 42ch; }
.tile__go { margin-top: auto; padding-top: var(--space-5); display: inline-flex; align-items: center; gap: 6px;
  font-size: var(--text-sm); font-weight: var(--fw-medium); color: var(--fg-brand); }
.tile__go svg { width: 16px; height: 16px; transition: transform var(--duration-normal) var(--ease-standard); }
.tile:hover .tile__go svg { transform: translateX(4px); }
@media (max-width: 680px) { .tiles { grid-template-columns: 1fr; } }

/* --------------------------------------------------------------------------
   Dark scheme — carry the hero's power through the landing + tools
   -------------------------------------------------------------------------- */

/* Shared ink-section atmosphere (grid + centred glow) */
.ink-section { background: var(--bg-ink); color: var(--fg-invert); position: relative; overflow: hidden; isolation: isolate; }
.ink-section > .container { position: relative; z-index: 1; }
.ink-section::before { content: ""; position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 66px 66px;
  -webkit-mask-image: radial-gradient(100% 120% at 50% -10%, #000, transparent 70%);
          mask-image: radial-gradient(100% 120% at 50% -10%, #000, transparent 70%); }
.ink-section::after { content: ""; position: absolute; z-index: 0; pointer-events: none;
  width: 760px; height: 760px; left: 50%; top: -320px; transform: translateX(-50%); border-radius: 50%;
  background: radial-gradient(circle, rgba(44,106,104,0.20), transparent 66%); filter: blur(28px); }
.ink-section .section__title { color: var(--fg-invert); }
.ink-section .section__lede { color: var(--qm-ink-300); }
.ink-section .eyebrow { color: var(--qm-teal-300); }

/* Sectors strip → dark, so it doesn't break the flow under the hero */
.sectors { background: var(--bg-ink); border-block: 1px solid rgba(255,255,255,0.07); }
.sectors__label { color: var(--qm-ink-400); }
.sectors__item { color: var(--qm-ink-200); }
.sectors__item svg { color: var(--qm-teal-300); }

/* Dark glass tiles / cards */
.ink-section .tile {
  background: rgba(255,255,255,0.045); border-color: rgba(255,255,255,0.10); color: var(--fg-invert);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.06), var(--elev-2);
}
.ink-section .tile:hover {
  border-color: rgba(255,255,255,0.24); transform: translateY(-3px);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.08), var(--elev-3);
}
.ink-section .tile h3 { color: var(--fg-invert); }
.ink-section .tile p { color: var(--qm-ink-300); }
.ink-section .tile__num { color: var(--qm-ink-400); }
.ink-section .tile__icon { background: rgba(44,106,104,0.16); border-color: rgba(44,106,104,0.35);
  color: var(--qm-teal-300); box-shadow: inset 0 1px 0 rgba(255,255,255,0.06); }
.ink-section .tile__go { color: var(--qm-teal-300); }
/* .spotlight cursor glow is already teal and reads well on ink */

/* Dark gallery cards (Tools) */
.ink-section .gcard { background: rgba(255,255,255,0.045); border-color: rgba(255,255,255,0.10); color: var(--fg-invert);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.06), var(--elev-2); }
.ink-section .gcard--live:hover { border-color: rgba(255,255,255,0.24); transform: translateY(-3px);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.08), var(--elev-3); }
.ink-section .gcard h3 { color: var(--fg-invert); }
.ink-section .gcard p { color: var(--qm-ink-300); }
.ink-section .gcard__icon { background: rgba(44,106,104,0.16); border-color: rgba(44,106,104,0.35); color: var(--qm-teal-300); }
.ink-section .gcard__cta { color: var(--qm-teal-300); }
.ink-section .gcard--soon { opacity: 0.62; }

/* --------------------------------------------------------------------------
   Vertical tabs + detail panel (Services) — an information toggle
   -------------------------------------------------------------------------- */
.tabs { display: grid; grid-template-columns: 300px 1fr; gap: var(--space-6); align-items: start; }
.tablist { display: grid; gap: var(--space-2); }
.tab {
  display: flex; align-items: center; gap: var(--space-3); width: 100%; text-align: left;
  padding: var(--space-4) var(--space-5); border-radius: var(--radius-lg); border: 1px solid transparent;
  background: transparent; cursor: pointer; color: var(--fg-2); font: var(--fw-medium) var(--text-base)/1.2 var(--font-sans);
  transition: background var(--duration-fast), border-color var(--duration-fast), color var(--duration-fast); }
.tab:hover { background: var(--bg-3); color: var(--fg-1); }
.tab.is-active { background: var(--glass-light-2); -webkit-backdrop-filter: var(--blur); backdrop-filter: var(--blur);
  border-color: var(--border-1); color: var(--fg-1); box-shadow: var(--elev-1), var(--hl-top); }
.tab__ic { width: 34px; height: 34px; border-radius: var(--radius-md); display: inline-flex; align-items: center;
  justify-content: center; background: var(--bg-brand-soft); color: var(--fg-brand); flex: none; }
.tab__ic svg { width: 18px; height: 18px; }
.tabpanel { border: 1px solid var(--border-1); border-radius: var(--radius-xl); background: var(--glass-light-2);
  -webkit-backdrop-filter: var(--blur); backdrop-filter: var(--blur); box-shadow: var(--elev-2), var(--hl-top);
  padding: var(--space-8); min-height: 360px; }
.tabpanel[hidden] { display: none; }
.tabpanel__eyebrow { color: var(--fg-brand); }
.tabpanel h3 { font-family: var(--font-display); font-weight: var(--fw-regular); font-size: var(--text-3xl);
  margin: 0 0 var(--space-2); letter-spacing: var(--tracking-tight); }
.tabpanel__tag { font-style: italic; color: var(--fg-brand); margin: 0 0 var(--space-5); }
.tabpanel__body { color: var(--fg-2); font-size: var(--text-md); margin: 0 0 var(--space-6); }
.feat { list-style: none; padding: 0; margin: 0; display: grid; gap: var(--space-3); }
.feat li { display: flex; gap: var(--space-3); font-size: var(--text-sm); color: var(--fg-2); }
.feat svg { width: 18px; height: 18px; color: var(--fg-brand); flex: none; margin-top: 2px; }
.tabpanel-anim { animation: riseIn 0.4s var(--ease-out); }
@media (max-width: 780px) { .tabs { grid-template-columns: 1fr; } .tablist { grid-auto-flow: column; overflow-x: auto; } }

@media (max-width: 680px) { .phero__inner { padding-block: var(--space-16) var(--space-12); } }

/* CTA bands — teal mesh texture behind a dark overlay (replaces the faint grid) */
.cta-band {
  background-color: var(--bg-ink);
  background-image: linear-gradient(rgba(10,12,12,0.82), rgba(10,12,12,0.93)),
                    url("../img/photos/texture-mesh.png");
  background-size: cover; background-position: bottom center; background-repeat: no-repeat;
}
.cta-band::before { display: none; }

/* --------------------------------------------------------------------------
   Carry-through — bring existing surfaces into the glass system
   -------------------------------------------------------------------------- */
.demo { box-shadow: var(--elev-3), var(--hl-top); border-color: var(--glass-light-brd); }
.kpi { background: var(--glass-light-2); -webkit-backdrop-filter: var(--blur); backdrop-filter: var(--blur);
  box-shadow: var(--elev-1), var(--hl-top); }
.panel { box-shadow: var(--elev-1), var(--hl-top); }
.form { box-shadow: var(--elev-1), var(--hl-top); background: var(--glass-light-2);
  -webkit-backdrop-filter: var(--blur); backdrop-filter: var(--blur); }

/* Booking — tactile pickers */
.type, .date-btn, .slot { box-shadow: var(--hl-top), var(--elev-1);
  transition: box-shadow var(--duration-fast) var(--ease-standard), border-color var(--duration-fast) var(--ease-standard),
              transform var(--duration-fast) var(--ease-standard); }
.date-btn:active, .slot:active { transform: translateY(1px); }
.slot.is-active, .type.is-active, .date-btn.is-active {
  box-shadow: 0 1px 0 rgba(255,255,255,0.2) inset, var(--elev-1); }