/* ============================================
   UP — Glass + 3D material system
   Composable classes for museum-grade glass.
   Light theme primary. Falls back gracefully.
   ============================================ */

/* ------- Light-source variables (cursor-driven) ------- */
:root {
  --light-x: 50%;
  --light-y: 30%;
  --light-color: 255, 240, 200;
  --glass-tint-rgb: 255, 252, 245;
  --glass-edge: 155, 122, 46; /* gold for edges */
  --glass-shadow: 50, 30, 20;
}
[data-theme="dark"] {
  --light-color: 220, 200, 150;
  --glass-tint-rgb: 30, 25, 22;
  --glass-shadow: 0, 0, 0;
}

/* ------- Global cursor-following spotlight ------- */
.spotlight-layer {
  position: fixed; inset: 0;
  z-index: 0;
  pointer-events: none;
  background: radial-gradient(
    1100px 1100px at var(--light-x) var(--light-y),
    rgba(var(--light-color), 0.10) 0%,
    rgba(var(--light-color), 0.05) 30%,
    rgba(var(--light-color), 0) 65%
  );
  transition: background 80ms linear;
  mix-blend-mode: screen;
}
[data-theme="dark"] .spotlight-layer { mix-blend-mode: plus-lighter; }

/* Reduce on low-power */
@media (prefers-reduced-motion: reduce) {
  .spotlight-layer { transition: none; }
}

/* ------- GlassPanel — base material ------- */
/* Used everywhere as the base. Multi-layer composition. */
.glass-panel {
  position: relative;
  isolation: isolate;
  background:
    linear-gradient(135deg,
      rgba(var(--glass-tint-rgb), 0.55),
      rgba(var(--glass-tint-rgb), 0.35) 60%,
      rgba(var(--glass-tint-rgb), 0.50));
  border-radius: 4px;
  /* Light-catching edges via box-shadow stack */
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.55),       /* top highlight */
    inset 0 -1px 0 rgba(var(--glass-edge), 0.18),  /* bottom gold pool */
    0 1px 1px rgba(var(--glass-shadow), 0.04),     /* contact */
    0 16px 40px -12px rgba(var(--glass-shadow), 0.10), /* mid */
    0 32px 80px -24px rgba(var(--glass-shadow), 0.12); /* far */
}
@supports (backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px)) {
  .glass-panel {
    backdrop-filter: blur(28px) saturate(180%) brightness(1.03);
    -webkit-backdrop-filter: blur(28px) saturate(180%) brightness(1.03);
    background:
      linear-gradient(135deg,
        rgba(var(--glass-tint-rgb), 0.42),
        rgba(var(--glass-tint-rgb), 0.22) 60%,
        rgba(var(--glass-tint-rgb), 0.36));
  }
}

/* Hairline edge — conic light-catching ring (separate ::before so it doesn't blur) */
.glass-panel::before {
  content: "";
  position: absolute; inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: conic-gradient(
    from 200deg,
    rgba(var(--glass-edge), 0.55) 0deg,
    rgba(255, 255, 255, 0.7) 60deg,
    rgba(var(--glass-edge), 0.0) 140deg,
    rgba(var(--glass-edge), 0.55) 220deg,
    rgba(255, 255, 255, 0.7) 300deg,
    rgba(var(--glass-edge), 0.55) 360deg
  );
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
          mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  pointer-events: none;
  z-index: 2;
  opacity: 0.85;
}

/* Reactive sheen — moves with cursor (relies on JS setting --rx/--ry on element) */
.glass-panel::after {
  content: "";
  position: absolute; inset: 0;
  border-radius: inherit;
  background: radial-gradient(
    420px 320px at var(--rx, 50%) var(--ry, 0%),
    rgba(255, 255, 255, 0.32),
    rgba(255, 255, 255, 0) 60%
  );
  pointer-events: none;
  z-index: 1;
  mix-blend-mode: screen;
  opacity: 0.9;
  transition: opacity 240ms ease-out;
}
[data-theme="dark"] .glass-panel::after { mix-blend-mode: plus-lighter; opacity: 0.6; }

/* ------- GlassCard — subdued glass for content blocks ------- */
.glass-card {
  position: relative;
  isolation: isolate;
  background:
    linear-gradient(180deg,
      rgba(var(--glass-tint-rgb), 0.62),
      rgba(var(--glass-tint-rgb), 0.45));
  border-radius: 3px;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.45),
    inset 0 -1px 0 rgba(var(--glass-edge), 0.10),
    0 1px 1px rgba(var(--glass-shadow), 0.03),
    0 8px 22px -8px rgba(var(--glass-shadow), 0.08),
    0 20px 50px -20px rgba(var(--glass-shadow), 0.10);
  border: 1px solid rgba(var(--glass-edge), 0.16);
  transition:
    transform 320ms cubic-bezier(0.2, 0.8, 0.2, 1),
    box-shadow 320ms cubic-bezier(0.2, 0.8, 0.2, 1),
    border-color 320ms ease-out;
}
@supports (backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px)) {
  .glass-card {
    backdrop-filter: blur(16px) saturate(160%);
    -webkit-backdrop-filter: blur(16px) saturate(160%);
    background:
      linear-gradient(180deg,
        rgba(var(--glass-tint-rgb), 0.50),
        rgba(var(--glass-tint-rgb), 0.30));
  }
}

/* Cursor-reactive sheen */
.glass-card::after {
  content: "";
  position: absolute; inset: 0;
  border-radius: inherit;
  background: radial-gradient(
    320px 240px at var(--rx, 50%) var(--ry, 0%),
    rgba(255, 255, 255, 0.22),
    rgba(255, 255, 255, 0) 60%
  );
  pointer-events: none;
  mix-blend-mode: screen;
  opacity: 0;
  transition: opacity 320ms ease-out;
  z-index: 1;
}
.glass-card:hover::after { opacity: 1; }

/* Hover state — lifted, brighter, gold halo */
.glass-card:hover {
  transform: translateY(-6px);
  border-color: rgba(var(--glass-edge), 0.35);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.55),
    inset 0 -1px 0 rgba(var(--glass-edge), 0.18),
    0 0 0 1px rgba(var(--glass-edge), 0.10),
    0 24px 60px -16px rgba(var(--glass-shadow), 0.18),
    0 0 100px rgba(var(--glass-edge), 0.18);
}
@supports (backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px)) {
  .glass-card:hover {
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
  }
}

/* ------- TiltCard — wraps glass-card with JS-driven 3D tilt ------- */
.tilt-card {
  transform: perspective(1200px) rotateX(var(--tx, 0deg)) rotateY(var(--ty, 0deg)) translateY(var(--lift, 0px));
  transform-style: preserve-3d;
  transition: transform 160ms cubic-bezier(0.2, 0.8, 0.2, 1);
  will-change: transform;
}
@media (prefers-reduced-motion: reduce) {
  .tilt-card { transform: none !important; }
}

/* Children with depth */
.tilt-card .depth-1 { transform: translateZ(8px); }
.tilt-card .depth-2 { transform: translateZ(20px); }
.tilt-card .depth-3 { transform: translateZ(36px); }

/* ------- GlassTile — for logo wall ------- */
.glass-tile {
  position: relative;
  background: linear-gradient(180deg,
    rgba(var(--glass-tint-rgb), 0.55),
    rgba(var(--glass-tint-rgb), 0.35));
  border-radius: 3px;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.5),
    inset 0 -1px 0 rgba(var(--glass-edge), 0.10),
    0 1px 2px rgba(var(--glass-shadow), 0.04),
    0 8px 22px -8px rgba(var(--glass-shadow), 0.08);
  border: 1px solid rgba(var(--glass-edge), 0.14);
  transform: perspective(1000px) rotateY(var(--ry, 0deg));
  transition:
    transform 480ms cubic-bezier(0.2, 0.8, 0.2, 1),
    box-shadow 480ms cubic-bezier(0.2, 0.8, 0.2, 1),
    border-color 320ms ease-out,
    opacity 320ms ease-out;
  cursor: default;
}
@supports (backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px)) {
  .glass-tile {
    backdrop-filter: blur(14px) saturate(150%);
    -webkit-backdrop-filter: blur(14px) saturate(150%);
    background: linear-gradient(180deg,
      rgba(var(--glass-tint-rgb), 0.36),
      rgba(var(--glass-tint-rgb), 0.20));
  }
}
.tile-wall:hover .glass-tile { opacity: 0.78; }
.tile-wall:hover .glass-tile:hover { opacity: 1; }
.glass-tile:hover {
  transform: perspective(1000px) rotateY(0deg) translateZ(20px);
  border-color: rgba(var(--glass-edge), 0.40);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.65),
    inset 0 -1px 0 rgba(var(--glass-edge), 0.20),
    0 16px 40px -12px rgba(var(--glass-shadow), 0.18),
    0 0 60px rgba(var(--glass-edge), 0.22);
}
@media (prefers-reduced-motion: reduce) {
  .glass-tile { transform: none !important; }
  .tile-wall:hover .glass-tile { opacity: 1; }
}

/* ------- 3D Pressed (key-cap) — for selected calendar date and primary CTAs ------- */
.glass-pressed {
  position: relative;
  background: linear-gradient(180deg, var(--maroon-hi, #95243B) 0%, var(--maroon, #6B1521) 100%);
  color: var(--maroon-ink, #FFFFFF);
  box-shadow:
    inset 0 1px 0 rgba(255, 220, 220, 0.30),
    inset 0 -2px 4px rgba(0, 0, 0, 0.35),
    0 1px 0 rgba(0, 0, 0, 0.12),
    0 4px 12px -2px rgba(107, 21, 33, 0.45),
    0 12px 24px -8px rgba(107, 21, 33, 0.30);
  transform: translateZ(0);
}

/* ------- Embossed numbers — multi-layer text-shadow ------- */
.emboss-num {
  --emboss-deep: rgba(107, 21, 33, 0.85);
  --emboss-mid: rgba(85, 15, 25, 0.55);
  --emboss-warm: rgba(50, 25, 15, 0.30);
  text-shadow:
    /* Top highlight */
    0 -1px 0 rgba(255, 220, 170, 0.55),
    /* Carved depth — layered downward */
    0 1px 0 var(--emboss-deep),
    0 2px 0 var(--emboss-deep),
    0 3px 1px var(--emboss-mid),
    0 4px 2px var(--emboss-warm),
    0 6px 6px rgba(50, 25, 15, 0.20),
    0 10px 16px rgba(50, 25, 15, 0.15);
  transform: perspective(800px) rotateX(6deg);
  transform-origin: center bottom;
  display: inline-block;
}
[data-theme="dark"] .emboss-num {
  text-shadow:
    0 -1px 0 rgba(255, 220, 170, 0.45),
    0 1px 0 rgba(0, 0, 0, 0.85),
    0 2px 0 rgba(0, 0, 0, 0.65),
    0 3px 1px rgba(0, 0, 0, 0.45),
    0 5px 8px rgba(0, 0, 0, 0.40),
    0 10px 18px rgba(0, 0, 0, 0.30);
}
@media (prefers-reduced-motion: reduce) {
  .emboss-num { transform: none; }
}

/* Smaller emboss for body/inline use */
.emboss-num-sm {
  text-shadow:
    0 -0.5px 0 rgba(255, 220, 170, 0.45),
    0 1px 0 rgba(107, 21, 33, 0.75),
    0 2px 1px rgba(85, 15, 25, 0.40),
    0 3px 4px rgba(50, 25, 15, 0.18);
}

/* ------- Hero scene canvas wrapper ------- */
.hero-scene {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0;
  transition: opacity 600ms ease-out;
}
.hero-scene.ready { opacity: 1; }
.hero-scene canvas { width: 100% !important; height: 100% !important; display: block; }

@media (max-width: 768px) {
  .hero-scene { display: none; }
}

/* ------- Mobile gyroscope shard SVG ------- */
.shard-svg {
  position: absolute; inset: 0;
  z-index: 0;
  pointer-events: none;
  display: none;
}
@media (max-width: 768px) {
  .shard-svg { display: block; }
}

/* ------- Hero split layout ------- */
.hero-split {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 64px;
  align-items: center;
}
@media (max-width: 1024px) {
  .hero-split { grid-template-columns: 1fr; gap: 48px; }
}

.hero-content { position: relative; z-index: 2; }
.hero-aside { position: relative; z-index: 2; min-height: 340px; }

/* ------- Reactive box on hover (used by JS) ------- */
.reactive {
  --rx: 50%;
  --ry: 50%;
  transition: transform 200ms cubic-bezier(0.2, 0.8, 0.2, 1);
}
@media (prefers-reduced-motion: reduce) {
  .reactive { transition: none; }
}

/* ------- Frosted nav (when scrolled) ------- */
.nav.frosted {
  background: rgba(var(--glass-tint-rgb), 0.65);
  border-bottom-color: rgba(var(--glass-edge), 0.18);
}
@supports (backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px)) {
  .nav.frosted {
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    background: rgba(var(--glass-tint-rgb), 0.55);
  }
}

/* ------- Service tile icon — 3D floating ------- */
.svc-icon-3d {
  position: relative;
  width: 48px; height: 48px;
  border-radius: 3px;
  background: linear-gradient(150deg,
    rgba(var(--glass-edge), 0.30),
    rgba(var(--glass-edge), 0.15));
  border: 1px solid rgba(var(--glass-edge), 0.45);
  display: flex; align-items: center; justify-content: center;
  color: var(--gold-lo);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.5),
    inset 0 -1px 0 rgba(var(--glass-edge), 0.30),
    0 6px 14px -4px rgba(var(--glass-shadow), 0.15),
    0 12px 28px -10px rgba(var(--glass-edge), 0.25);
  transform: translateZ(0);
  transition: transform 320ms cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 320ms cubic-bezier(0.2, 0.8, 0.2, 1);
}
.tilt-card:hover .svc-icon-3d {
  transform: translateZ(36px) rotateZ(-2deg);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.6),
    inset 0 -1px 0 rgba(var(--glass-edge), 0.40),
    0 14px 24px -6px rgba(var(--glass-shadow), 0.22),
    0 24px 50px -16px rgba(var(--glass-edge), 0.45);
}

/* ------- Time pill — micro-glass ------- */
.time-pill {
  position: relative;
  padding: 14px 12px;
  border-radius: 3px;
  background: linear-gradient(180deg,
    rgba(var(--glass-tint-rgb), 0.55),
    rgba(var(--glass-tint-rgb), 0.30));
  border: 1px solid rgba(var(--glass-edge), 0.18);
  color: var(--fg-1);
  font-size: 13px;
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
  cursor: pointer;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.45),
    0 1px 2px rgba(var(--glass-shadow), 0.06);
  transition: transform 200ms cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 200ms ease-out, border-color 200ms ease-out;
}
@supports (backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px)) {
  .time-pill {
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
  }
}
.time-pill:hover {
  transform: translateZ(8px) translateY(-2px);
  border-color: rgba(var(--maroon, #6B1521), 0.55);
  color: var(--maroon, #6B1521);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.55),
    0 6px 14px -4px rgba(var(--glass-shadow), 0.15),
    0 0 30px rgba(var(--glass-edge), 0.18);
}
.time-pill.selected {
  background: linear-gradient(180deg, var(--maroon-hi, #95243B), var(--maroon, #6B1521));
  border-color: var(--maroon, #6B1521);
  color: var(--maroon-ink, #FFFFFF);
  box-shadow:
    inset 0 1px 0 rgba(255, 220, 220, 0.30),
    inset 0 -2px 3px rgba(0, 0, 0, 0.30),
    0 4px 10px -2px rgba(107, 21, 33, 0.45);
}

/* ------- Calendar pane joint (double-pane illusion) ------- */
.cal-joint {
  position: relative;
}
.cal-joint::after {
  content: "";
  position: absolute;
  top: 12%; bottom: 12%;
  left: 0; width: 2px;
  background: linear-gradient(180deg,
    transparent,
    rgba(var(--glass-edge), 0.45) 30%,
    rgba(var(--glass-edge), 0.45) 70%,
    transparent);
  box-shadow:
    -1px 0 2px rgba(255, 255, 255, 0.3),
    1px 0 2px rgba(var(--glass-shadow), 0.18);
  pointer-events: none;
}
@media (max-width: 768px) {
  .cal-joint::after { display: none; }
}

/* ------- 3D pressed calendar day (selected) ------- */
.cal-day.glass-day-selected {
  background: linear-gradient(180deg, var(--maroon-hi, #95243B), var(--maroon, #6B1521)) !important;
  color: var(--maroon-ink, #FFFFFF) !important;
  border-color: var(--maroon, #6B1521) !important;
  font-weight: 700;
  box-shadow:
    inset 0 1px 0 rgba(255, 220, 220, 0.32),
    inset 0 -2px 3px rgba(0, 0, 0, 0.30),
    0 2px 6px -1px rgba(107, 21, 33, 0.35),
    0 6px 14px -4px rgba(107, 21, 33, 0.35);
  transform: translateZ(4px);
}

/* ------- Reduced-motion overrides ------- */
@media (prefers-reduced-motion: reduce) {
  .glass-card, .glass-tile, .time-pill, .svc-icon-3d, .cal-day.glass-day-selected {
    transition: none !important;
  }
  .glass-card:hover { transform: none; }
  .time-pill:hover { transform: none; }
}