/* ============================================================
   Shine Time — Base / Reset & Brand Primitives
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  color: var(--text-body);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection { background: var(--selection-bg); color: var(--ink-900); }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--text-heading);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  margin: 0 0 var(--space-4);
  font-weight: var(--weight-bold);
  text-wrap: balance;
}
h1 { font-size: var(--text-4xl); }
h2 { font-size: var(--text-2xl); }
h3 { font-size: var(--text-xl); }
h4 { font-size: var(--text-lg); }

p { margin: 0 0 var(--space-4); text-wrap: pretty; }

a { color: var(--text-link); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---- Brand utility classes ---- */

.st-eyebrow {
  font-family: var(--font-sans);
  font-weight: var(--weight-bold);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--primary);
}

.st-quote {
  font-family: var(--font-quote);
  font-style: italic;
  font-size: var(--text-lg);
  line-height: var(--leading-snug);
  color: var(--text-heading);
}

/* Gold underline flourish for headlines */
.st-underline {
  background-image: linear-gradient(var(--accent), var(--accent));
  background-position: 0 88%;
  background-size: 100% 0.32em;
  background-repeat: no-repeat;
}

/* ---- Signature "shine sweep" — a moving highlight ---- */
@keyframes st-shine {
  0%   { transform: translateX(-120%) skewX(-18deg); }
  100% { transform: translateX(320%) skewX(-18deg); }
}
.st-shine { position: relative; overflow: hidden; isolation: isolate; }
.st-shine::after {
  content: "";
  position: absolute;
  top: 0; left: 0; height: 100%; width: 28%;
  background: linear-gradient(100deg,
    transparent, rgba(255,255,255,0.55), transparent);
  transform: translateX(-120%) skewX(-18deg);
  pointer-events: none;
}
.st-shine:hover::after { animation: st-shine var(--motion-slower) var(--ease-out); }

/* ---- Entrance animations ---- */
@keyframes st-fade-up {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes st-pop {
  from { opacity: 0; transform: scale(0.94); }
  to   { opacity: 1; transform: scale(1); }
}
.st-fade-up { animation: st-fade-up var(--motion-slow) var(--ease-out) both; }
.st-pop     { animation: st-pop var(--motion-base) var(--ease-spring) both; }

/* ---- Scroll reveal — start hidden, .is-in plays it ---- */
.st-reveal {
  opacity: 0;
  transition: opacity 0.6s var(--ease-out), transform 0.7s var(--ease-out);
  will-change: opacity, transform;
}
.st-reveal--up    { transform: translateY(34px); }
.st-reveal--left  { transform: translateX(-34px); }
.st-reveal--right { transform: translateX(34px); }
.st-reveal--scale { transform: scale(0.92); }
.st-reveal.is-in  { opacity: 1; transform: none; }

/* ---- Gentle float (hero badge) ---- */
@keyframes st-float {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-12px); }
}
.st-float { animation: st-float 5s var(--ease-standard) infinite; }

/* ---- Water beads (ceramic page) ---- */
@keyframes st-bead-float {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-6px); }
}

/* ---- Photo frame: rounded, clipped, hover zoom ---- */
.st-photo {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  background: var(--surface-sunken);
}
.st-photo img, .st-photo image-slot, .st-photo > * {
  transition: transform var(--motion-slow) var(--ease-out);
}
.st-photo:hover img, .st-photo:hover image-slot { transform: scale(1.06); }

/* ---- Page transition on route change ---- */
@keyframes st-page-enter {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}
.st-page-enter { animation: st-page-enter 0.45s var(--ease-out) both; }

/* ---- Nav link underline grow ---- */
.st-navlink::after {
  content: "";
  position: absolute; left: 11px; right: 11px; bottom: 3px;
  height: 2px; border-radius: 2px; background: var(--primary);
  transform: scaleX(0); transform-origin: left;
  transition: transform var(--motion-base) var(--ease-out);
}
.st-navlink:hover::after,
.st-navlink[data-active="true"]::after { transform: scaleX(1); }

/* ---- Link/feature cards lift on hover ---- */
.st-linkcard, .st-logo-btn img { transition: transform var(--motion-base) var(--ease-spring), box-shadow var(--motion-base) var(--ease-out); }
.st-linkcard:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.st-social { transition: transform var(--motion-base) var(--ease-spring), background var(--motion-fast) var(--ease-standard); }
.st-social:hover { transform: translateY(-3px) scale(1.06); background: rgba(255,255,255,0.16) !important; }

/* ---- Hero scroll-stage extras ---- */
@keyframes st-hero-logo-in {
  from { opacity: 0; transform: rotateY(-64deg) scale(0.7); }
  to   { opacity: 1; transform: rotateY(0deg) scale(1); }
}
.st-hero-logo { animation: st-hero-logo-in 1.2s var(--ease-out) both; }
@keyframes st-hero-in {
  from { opacity: 0; transform: translateY(22px); }
  to   { opacity: 1; transform: none; }
}
.st-hero-in { animation: st-hero-in 0.8s var(--ease-out) both; }
@media (prefers-reduced-motion: reduce) {
  .st-hero-logo, .st-hero-in { animation: none !important; opacity: 1 !important; transform: none !important; }
}
.st-grid-floor {
  background-image:
    linear-gradient(rgba(43,151,247,0.10) 1px, transparent 1px),
    linear-gradient(90deg, rgba(43,151,247,0.10) 1px, transparent 1px);
  background-size: 46px 46px;
  -webkit-mask-image: radial-gradient(120% 80% at 50% 120%, #000, transparent 70%);
  mask-image: radial-gradient(120% 80% at 50% 120%, #000, transparent 70%);
}
.st-scroll-cue {
  width: 24px; height: 40px; border-radius: 14px;
  border: 2px solid rgba(255,255,255,0.5); position: relative;
}
.st-scroll-cue::after {
  content: ""; position: absolute; left: 50%; top: 8px; width: 4px; height: 8px;
  border-radius: 4px; background: var(--gold-400); transform: translateX(-50%);
  animation: st-cue 1.6s var(--ease-in-out, ease) infinite;
}
@keyframes st-cue { 0%,100%{opacity:0;transform:translate(-50%,0)} 40%{opacity:1} 80%{opacity:0;transform:translate(-50%,12px)} }

/* ---- Big CTA buttons (hero) — enlarge + shine ---- */
.st-cta {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--font-sans); font-weight: 700; font-size: 17px;
  padding: 15px 28px; border-radius: var(--radius-pill); cursor: pointer;
  border: 2px solid transparent; transition: transform var(--motion-base) var(--ease-spring), box-shadow var(--motion-base) var(--ease-out), background var(--motion-fast) var(--ease-standard);
}
.st-cta i { width: 18px; height: 18px; }
.st-cta--gold { background: var(--gold-400); color: var(--ink-900); box-shadow: var(--shadow-gold); }
.st-cta--ghost { background: rgba(255,255,255,0.07); color: #fff; border-color: rgba(255,255,255,0.3); }
.st-cta:hover { transform: translateY(-3px) scale(1.06); box-shadow: var(--shadow-lg); }
.st-cta:active { transform: scale(0.97); }

/* ---- Orbit turntable ---- */
@keyframes st-spin-slow { to { transform: rotate(360deg); } }
.st-spin-slow { animation: st-spin-slow 26s linear infinite; }

/* ---- Moving sheen highlight (detailing + ceramic stages) ---- */
@keyframes st-sheen-move {
  0% { transform: translateX(-130%) skewX(-18deg); }
  100% { transform: translateX(230%) skewX(-18deg); }
}
.st-sheen::before {
  content: ""; position: absolute; top: 0; bottom: 0; width: 36%;
  background: linear-gradient(100deg, transparent, rgba(255,255,255,0.5), transparent);
  animation: st-sheen-move 4.5s var(--ease-out) infinite;
}

/* ---- Pulsing hotspot ping (detailing) ---- */
@keyframes st-ping { 0%{transform:scale(1);opacity:0.8} 80%,100%{transform:scale(2.1);opacity:0} }
.st-ping { animation: st-ping 1.8s var(--ease-out) infinite; }
.st-hotspot[data-on="false"] .st-ping { display: none; }
@keyframes st-cap { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* ---- Ceramic rain beads ---- */
@keyframes st-rain-fall {
  0% { transform: translateY(0); opacity: 0; }
  8% { opacity: 1; }
  88% { opacity: 1; }
  100% { transform: translateY(420px); opacity: 0; }
}
.st-rain-drop {
  border-radius: 50% 50% 50% 50% / 40% 40% 60% 60%;
  background: radial-gradient(circle at 35% 28%, rgba(255,255,255,0.9), rgba(160,210,255,0.5) 45%, rgba(80,150,230,0.25));
  box-shadow: inset 0 -2px 4px rgba(255,255,255,0.5), 0 2px 4px rgba(0,0,0,0.2);
  animation: st-rain-fall linear infinite;
}

.st-detail-stage:hover .st-sheen::before { animation-duration: 2.2s; }
.st-rain-panel:hover .st-rain-drop { animation-duration: 1.6s !important; }

/* ---- Global scroll-reactive ambient field (fixed, behind everything) ---- */
.st-ambient {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  --y: 0; /* @kind other */
  background:
    radial-gradient(60% 50% at calc(82% - var(--st-scroll, 0) * 30%) calc(8% + var(--y, 0) * 0.4%), rgba(43,151,247,0.16), transparent 60%),
    radial-gradient(55% 45% at calc(12% + var(--st-scroll, 0) * 26%) calc(92% - var(--y, 0) * 0.5%), rgba(227,191,74,0.08), transparent 60%);
  transition: background 0.2s linear;
}
.st-progress {
  position: fixed; top: 0; left: 0; right: 0; height: 3px; z-index: 200;
  background: linear-gradient(90deg, var(--blue-400), var(--gold-400));
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.1s linear;
}

/* ---- Detailing: "what's included" hotspot scene ---- */
.st-incl-chip {
  transition: transform var(--motion-base) var(--ease-spring), background var(--motion-fast) var(--ease-standard), color var(--motion-fast) var(--ease-standard), border-color var(--motion-fast) var(--ease-standard);
}
.st-incl-chip:hover { transform: translateY(-2px); }

/* ---- Ceramic: side-by-side hydrophobic comparison ---- */
@keyframes st-spread {
  0% { transform: translateY(-30px) scale(0.4); opacity: 0; border-radius: 50%; }
  20% { opacity: 0.85; border-radius: 50%; }
  60% { transform: translateY(60px) scale(1.1); border-radius: 46% 46% 50% 50%; }
  100% { transform: translateY(150px) scaleX(2.4) scaleY(0.5); opacity: 0; border-radius: 40%; }
}
@keyframes st-bead-roll {
  0% { transform: translateY(-24px) scale(0.5); opacity: 0; }
  18% { opacity: 1; transform: translateY(8px) scale(1); }
  70% { opacity: 1; }
  100% { transform: translateY(240px) scale(0.96); opacity: 0; }
}
.st-drop-spread, .st-drop-bead {
  position: absolute; border-radius: 50%;
  background: radial-gradient(circle at 34% 28%, rgba(255,255,255,0.95), rgba(150,205,255,0.55) 45%, rgba(70,140,225,0.25));
  box-shadow: inset 0 -2px 4px rgba(255,255,255,0.5), 0 2px 5px rgba(0,0,0,0.25);
}
.st-drop-spread { animation: st-spread linear infinite; }
.st-drop-bead { animation: st-bead-roll cubic-bezier(.5,0,.7,1) infinite; }

/* ---- Paint correction: defect spotlight ---- */
@keyframes st-defect-in { from { opacity: 0; transform: translateY(14px) scale(0.96); } to { opacity: 1; transform: none; } }
.st-defect-card { animation: st-defect-in 0.5s var(--ease-out) both; }

/* ---- VideoSlot hover controls ---- */
.st-vid-bar { pointer-events: none; }
.st-vidslot:hover .st-vid-bar { opacity: 1 !important; pointer-events: auto !important; }

@media (prefers-reduced-motion: reduce) {
  .st-ambient, .st-progress { transition: none !important; }
  .st-drop-spread, .st-drop-bead { animation: none !important; opacity: 0.5 !important; }
}