/* ============================================================================
   MOISSANITE concept — styles.css
   Dark jewel-box e-commerce. Two real themes (light/dark) + a theatrical
   "lights-off" mode driven by [data-lights="off"] on <html>.
   ============================================================================ */

/* ----------------------------- THEME TOKENS ----------------------------- */
:root {
  /* type */
  --font-display: "Fraunces", Georgia, "Times New Roman", serif;
  --font-sans: "Hanken Grotesk", -apple-system, sans-serif;

  /* shared structural colors (overridden per theme) */
  --gold: #d8b46a;
  --gold-soft: #e7cd97;
  --ice: #cfe6ff;          /* moissanite icy-blue */
  --silver: #d7dce4;

  /* spectral facet stops reused by prismatic effects */
  --spectral: #ff6b9d, #ffd86b, #8effc9, #6bd0ff, #b78cff;

  --maxw: 1280px;
  --radius: 14px;
  --ease: cubic-bezier(.22, 1, .36, 1);
}

/* DARK (default — where the concept shines) */
[data-theme="dark"] {
  --bg: #0a0a0c;
  --bg-2: #111016;
  --surface: #16151c;
  --surface-2: #1c1b24;
  --border: rgba(216, 180, 106, .16);
  --border-soft: rgba(255, 255, 255, .07);
  --text: #f3efe7;
  --text-soft: #b6b0a6;
  --text-faint: #837d74;
  --accent: var(--gold);
  --accent-2: var(--ice);
  --glow-gem: rgba(207, 230, 255, .82);
  --glow-gold: rgba(216, 180, 106, .5);
  --hero-glow: radial-gradient(60% 55% at 50% 42%,
                 rgba(216,180,106,.22), rgba(207,230,255,.10) 45%, transparent 70%);
  --grain-opacity: .05;
  --vignette: radial-gradient(120% 90% at 50% 8%, transparent 40%, rgba(0,0,0,.55) 100%);
  --card-sheen: linear-gradient(135deg, rgba(255,255,255,.05), transparent 40%);
  --metal-grad: linear-gradient(120deg, var(--gold-soft), var(--gold) 55%, #c79e52);
  --metal-text: #0a0a0c;
}

/* LIGHT (modern white + silvery tones) */
[data-theme="light"] {
  --bg: #ffffff;
  --bg-2: #f2f4f8;
  --surface: #ffffff;
  --surface-2: #f5f7fb;
  --border: rgba(120, 132, 150, .22);
  --border-soft: rgba(20, 26, 38, .09);
  --text: #14171c;
  --text-soft: #545b66;
  --text-faint: #98a0ac;
  --accent: #59626f;          /* steel/graphite — legible on white */
  --accent-2: #6f9fd0;        /* icy moissanite blue */
  --glow-gem: rgba(110, 165, 225, .45);
  --glow-gold: rgba(150, 165, 188, .42);   /* silver glow, not gold */
  --hero-glow: radial-gradient(60% 55% at 50% 42%,
                 rgba(150,175,212,.32), rgba(175,200,234,.16) 45%, transparent 72%);
  --grain-opacity: .022;
  --vignette: radial-gradient(120% 90% at 50% 8%, transparent 56%, rgba(70,92,124,.07) 100%);
  --card-sheen: linear-gradient(135deg, rgba(255,255,255,.75), transparent 46%);
  --metal-grad: linear-gradient(120deg, #eef1f5, #c7ced8 55%, #aab3c1);
  --metal-text: #181b21;
}

/* ----------------------------- RESET ----------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  transition: background .9s var(--ease), color .9s var(--ease);
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { margin: 0; font-family: var(--font-display); font-weight: 400; letter-spacing: -.01em; }
em { font-style: italic; }
::selection { background: var(--gold); color: #0a0a0c; }

/* ----------------------------- ATMOSPHERE OVERLAYS ----------------------------- */
.grain {
  position: fixed; inset: 0; z-index: 9998; pointer-events: none;
  opacity: var(--grain-opacity);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  mix-blend-mode: overlay;
  transition: opacity .9s var(--ease);
}
.vignette {
  position: fixed; inset: 0; z-index: 9997; pointer-events: none;
  background: var(--vignette);
  transition: background .9s var(--ease);
}

/* ============================================================================
   LIGHTS-OFF MODE — theatrical dimming overlaid on either theme.
   Darkens the canvas toward near-black and makes gems sparkle harder.
   ============================================================================ */
/* lights OFF forces the FULL dark jewel-box palette over ANY base theme,
   then cranks the glow — "apague a luz" = dark + máximo brilho */
[data-lights="off"] {
  --bg: #050507;
  --bg-2: #08070a;
  --surface: #0c0b10;
  --surface-2: #14131b;
  --border: rgba(216, 180, 106, .22);
  --border-soft: rgba(255, 255, 255, .08);
  --text: #f7f3eb;
  --text-soft: #b8b2a8;
  --text-faint: #8a847b;
  --accent: var(--gold);
  --accent-2: var(--ice);
  --metal-grad: linear-gradient(120deg, var(--gold-soft), var(--gold) 55%, #c79e52);
  --metal-text: #0a0a0c;
  --glow-gem: rgba(207, 230, 255, 1);
  --glow-gold: rgba(216, 180, 106, .72);
  --grain-opacity: .08;
  --vignette: radial-gradient(115% 85% at 50% 30%, transparent 12%, rgba(0,0,0,.95) 100%);
  --hero-glow: radial-gradient(60% 55% at 50% 42%,
                 rgba(216,180,106,.58), rgba(207,230,255,.34) 42%, transparent 66%);
  --card-sheen: linear-gradient(135deg, rgba(255,255,255,.06), transparent 40%);
}
[data-lights="off"] body { transition: background 1.1s var(--ease); }
/* push images brighter/contrastier so stones pop in the dark */
[data-lights="off"] .product-media img,
[data-lights="off"] .hero-media img {
  filter: brightness(1.14) contrast(1.12) saturate(1.08);
}

/* ----------------------------- LAYOUT HELPERS ----------------------------- */
section { position: relative; z-index: 1; }
.eyebrow {
  font-size: .74rem; letter-spacing: .26em; text-transform: uppercase;
  color: var(--accent); font-weight: 600; margin: 0 0 1rem;
}
.section-title {
  font-size: clamp(2rem, 5vw, 3.4rem); line-height: 1.05; color: var(--text);
}
.section-title.big { font-size: clamp(2.4rem, 6vw, 4.4rem); }
.section-lede, .about-lede {
  color: var(--text-soft); max-width: 46ch; font-size: 1.05rem; margin: 1.2rem 0 0;
}
.shine {
  background: linear-gradient(100deg, var(--gold-soft), var(--ice), var(--gold-soft));
  background-size: 220% 100%;
  -webkit-background-clip: text; background-clip: text; color: transparent;
  animation: shine-sweep 6s linear infinite;
}
@keyframes shine-sweep { to { background-position: 220% 0; } }

/* ============================================================================
   HEADER
   ============================================================================ */
.site-header {
  position: sticky; top: 0; z-index: 100;
  backdrop-filter: blur(14px) saturate(1.1);
  background: color-mix(in srgb, var(--bg) 72%, transparent);
  border-bottom: 1px solid var(--border-soft);
  transition: background .9s var(--ease), border-color .9s var(--ease);
}
.header-inner {
  max-width: var(--maxw); margin: 0 auto; padding: .9rem 1.6rem;
  display: flex; align-items: center; justify-content: space-between; gap: 1.5rem;
}
.wordmark { display: inline-flex; align-items: baseline; gap: .5rem; position: relative; }
.wordmark-mark {
  font-size: 1.15rem; color: var(--accent);
  filter: drop-shadow(0 0 6px var(--glow-gold));
  animation: mark-glow 3.5s ease-in-out infinite;
}
.wordmark-text {
  font-family: var(--font-display); font-size: 1.5rem; letter-spacing: .18em;
  font-weight: 500; color: var(--text);
}
.wordmark-sub {
  font-size: .58rem; letter-spacing: .24em; text-transform: uppercase;
  color: var(--text-faint); margin-left: -.2rem;
}
@media (max-width: 700px){ .wordmark-sub { display: none; } }

.nav { display: flex; gap: 2rem; }
.nav a {
  font-size: .92rem; color: var(--text-soft); letter-spacing: .02em; position: relative;
  padding: .2rem 0; transition: color .3s var(--ease);
}
.nav a::after {
  content: ""; position: absolute; left: 0; bottom: -2px; height: 1px; width: 0;
  background: linear-gradient(90deg, var(--gold), var(--ice));
  transition: width .35s var(--ease);
}
.nav a:hover { color: var(--text); }
.nav a:hover::after { width: 100%; }
.nav a[aria-current="page"] { color: var(--text); }
.nav a[aria-current="page"]::after { width: 100%; }
/* On tablet/mobile the nav collapses into a horizontally scrollable strip below
   the wordmark row, so navigation never disappears (better than hiding it). */
@media (max-width: 860px){
  .header-inner { flex-wrap: wrap; gap: .6rem 1rem; padding: .8rem 1.1rem; }
  .wordmark { order: 1; }
  .header-actions { order: 2; margin-left: auto; }
  .nav {
    order: 3; width: 100%; gap: 1.4rem; overflow-x: auto; padding-bottom: .2rem;
    -webkit-overflow-scrolling: touch; scrollbar-width: none;
  }
  .nav::-webkit-scrollbar { display: none; }
  .nav a { white-space: nowrap; font-size: .86rem; }
}

.header-actions { display: flex; align-items: center; gap: 1rem; }

/* small text CTA in header (Sacola) */
.nav-cta {
  font-size: .82rem; letter-spacing: .12em; text-transform: uppercase; font-weight: 600;
  color: var(--text-soft); padding: .5rem .9rem; border: 1px solid var(--border);
  border-radius: 100px; transition: color .3s var(--ease), border-color .3s var(--ease), box-shadow .3s var(--ease);
}
.nav-cta:hover { color: var(--text); border-color: var(--accent); box-shadow: 0 0 16px -4px var(--glow-gem); }
@media (max-width: 540px){ .nav-cta { display: none; } }

/* inline editorial link */
.inline-link {
  color: var(--accent); border-bottom: 1px solid color-mix(in srgb, var(--accent) 45%, transparent);
  transition: color .3s var(--ease), border-color .3s var(--ease), text-shadow .3s var(--ease);
}
.inline-link:hover { color: var(--text); border-color: var(--accent); text-shadow: 0 0 12px var(--glow-gem); }

/* row of CTAs under the about lede */
.about-cta-row { display: flex; flex-wrap: wrap; gap: 1rem; justify-content: center; margin-top: 2rem; }

/* THEME TOGGLE */
.theme-toggle { background: none; border: 0; cursor: pointer; padding: 4px; }
.theme-toggle-track {
  position: relative; display: flex; align-items: center; gap: 6px;
  width: 60px; height: 30px; border-radius: 30px; padding: 0 7px;
  background: var(--surface-2); border: 1px solid var(--border);
  justify-content: space-between;
  transition: background .9s var(--ease), border-color .9s var(--ease);
}
.theme-toggle-icon { font-size: .72rem; line-height: 1; z-index: 2; }
.theme-toggle-icon.sun { color: var(--gold); }
.theme-toggle-icon.moon { color: var(--ice); }
.theme-toggle-thumb {
  position: absolute; top: 50%; left: 4px; transform: translateY(-50%);
  width: 22px; height: 22px; border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #fff, var(--gold-soft) 70%);
  box-shadow: 0 0 10px var(--glow-gold), inset 0 0 4px rgba(255,255,255,.7);
  transition: transform .45s var(--ease), background .9s var(--ease);
}
[data-theme="dark"] .theme-toggle-thumb { transform: translate(30px, -50%);
  background: radial-gradient(circle at 35% 30%, #fff, var(--ice) 75%);
}

/* ============================================================================
   HERO
   ============================================================================ */
.hero { padding: clamp(2.5rem, 7vw, 6rem) 1.6rem 0; overflow: hidden; }
.hero-glow {
  position: absolute; inset: -10% -10% auto -10%; height: 120%; z-index: 0;
  background: var(--hero-glow); pointer-events: none;
  transition: background 1.1s var(--ease);
  animation: breathe 9s ease-in-out infinite;
}
@keyframes breathe { 50% { opacity: .8; transform: scale(1.04); } }

.hero-grid {
  position: relative; z-index: 2; max-width: var(--maxw); margin: 0 auto;
  display: grid; grid-template-columns: 1.05fr 1fr; gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}
@media (max-width: 920px){
  .hero-grid { grid-template-columns: 1fr; gap: 2.5rem; }
}

.hero-title {
  font-size: clamp(2.6rem, 6.4vw, 5.2rem); line-height: 1.02; letter-spacing: -.02em;
  color: var(--text); margin: 0 0 1.4rem;
}
.hero-title em { color: var(--accent); font-weight: 300; }
.hero-sub { color: var(--text-soft); max-width: 44ch; font-size: 1.1rem; margin: 0 0 2rem; }

.hero-cta { display: flex; flex-wrap: wrap; align-items: center; gap: 1.4rem; }

/* hero media */
.hero-media { position: relative; margin: 0; }
.hero-media-glow {
  position: absolute; inset: -8%; z-index: 0; border-radius: 50%;
  background: radial-gradient(circle, var(--glow-gem), transparent 62%);
  filter: blur(18px); opacity: .9;
  animation: breathe 7s ease-in-out infinite;
  transition: background 1.1s var(--ease);
}
.hero-media img {
  position: relative; z-index: 1; width: 100%; border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: 0 40px 90px -30px rgba(0,0,0,.8), 0 0 0 1px var(--border-soft);
  transition: filter .9s var(--ease);
}
.hero-caption {
  position: relative; z-index: 3; margin-top: 1rem; text-align: center;
  font-size: .82rem; letter-spacing: .12em; text-transform: uppercase; color: var(--text-faint);
}
.hero-caption em { color: var(--accent); font-style: italic; text-transform: none; letter-spacing: 0; }

/* marquee */
.hero-marquee {
  position: relative; z-index: 2; margin-top: clamp(3rem, 7vw, 5rem);
  border-top: 1px solid var(--border-soft); border-bottom: 1px solid var(--border-soft);
  padding: 1rem 0; overflow: hidden; max-width: 100%;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
          mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.marquee-track {
  display: inline-flex; gap: 2.2rem; white-space: nowrap; align-items: center;
  animation: marquee 34s linear infinite;
  font-family: var(--font-display); font-size: 1.15rem; font-style: italic;
  color: var(--text-soft);
}
.marquee-track span:nth-child(3n+1){ color: var(--accent); font-style: normal; letter-spacing: .04em; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ============================================================================
   GEM BUTTONS — diamond-like prismatic hover glow
   ============================================================================ */
.btn {
  font-family: var(--font-sans); font-size: .95rem; font-weight: 600; letter-spacing: .02em;
  padding: .92rem 1.8rem; border-radius: 100px; cursor: pointer;
  border: 1px solid transparent; position: relative; overflow: hidden;
  transition: transform .35s var(--ease), box-shadow .45s var(--ease), color .35s var(--ease);
  display: inline-flex; align-items: center; justify-content: center;
}
.btn-primary {
  color: var(--metal-text);
  background: var(--metal-grad);
  box-shadow: 0 6px 22px -8px var(--glow-gold);
}
.btn-ghost {
  color: var(--text); background: var(--surface-2);
  border: 1px solid var(--border);
}

/* prismatic ring border (sits just inside the edge) */
.gem-btn::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1px;
  background: conic-gradient(from 0deg,
    #ff6b9d, #ffd86b, #8effc9, #6bd0ff, #b78cff, #ff6b9d);
  -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;
  opacity: 0; transition: opacity .4s var(--ease);
  animation: spin-facet 4s linear infinite; animation-play-state: paused;
}
@keyframes spin-facet { to { transform: rotate(360deg); } }

/* shimmer sweep */
.gem-btn::after {
  content: ""; position: absolute; top: 0; left: -120%; width: 60%; height: 100%;
  background: linear-gradient(110deg, transparent, rgba(255,255,255,.55), transparent);
  transform: skewX(-18deg); transition: none; pointer-events: none;
}
.gem-btn:hover {
  transform: translateY(-2px);
  box-shadow:
    0 10px 34px -10px var(--glow-gold),
    0 0 26px -4px var(--glow-gem),
    0 0 0 1px rgba(255,255,255,.06);
}
.gem-btn:hover::before { opacity: .85; animation-play-state: running; }
.gem-btn:hover::after { animation: sweep .9s var(--ease) forwards; }
@keyframes sweep { to { left: 160%; } }
.btn:active { transform: translateY(0) scale(.985); }

/* ============================================================================
   LIGHTS SWITCH (the "apague a luz" control)
   ============================================================================ */
.lights-switch {
  display: inline-flex; align-items: center; gap: .9rem; cursor: pointer;
  background: none; border: 0; padding: .4rem; color: var(--text);
  position: relative;
}
.lamp { position: relative; width: 26px; height: 34px; display: inline-block; }
.lamp-cord {
  position: absolute; top: -10px; left: 50%; width: 1px; height: 12px;
  background: var(--text-faint); transform: translateX(-50%);
}
.lamp-bulb {
  position: absolute; bottom: 0; left: 50%; transform: translateX(-50%);
  width: 22px; height: 22px; border-radius: 50% 50% 48% 48%;
  background: radial-gradient(circle at 40% 35%, #fff, var(--gold-soft) 60%, #b98f3f);
  box-shadow: 0 0 16px 2px var(--glow-gold), inset 0 -3px 6px rgba(120,80,20,.4);
  transition: box-shadow .5s var(--ease), background .5s var(--ease), opacity .5s var(--ease);
}
.lamp-bulb::after {
  content: ""; position: absolute; bottom: -4px; left: 50%; transform: translateX(-50%);
  width: 10px; height: 5px; background: var(--text-faint); border-radius: 0 0 3px 3px;
}
.lights-label { display: flex; flex-direction: column; text-align: left; line-height: 1.05; }
.lights-label-main { font-weight: 600; font-size: .95rem; letter-spacing: .01em; }
.lights-label-sub { font-size: .8rem; color: var(--text-soft); font-style: italic; font-family: var(--font-display); }

.lights-switch:hover .lamp-bulb { box-shadow: 0 0 24px 5px var(--glow-gold), inset 0 -3px 6px rgba(120,80,20,.4); }

/* when lights are OFF: bulb goes dark, label flips */
[data-lights="off"] .lamp-bulb {
  background: radial-gradient(circle at 40% 35%, #3a3730, #1a1814 70%);
  box-shadow: inset 0 -2px 5px rgba(0,0,0,.6); opacity: .85;
}

/* ============================================================================
   SPARKLES — CSS star/cross flares (twinkle). Heavy ones gated by reduced-motion.
   ============================================================================ */
.sparkle {
  position: absolute; z-index: 4; width: var(--sz, 26px); height: var(--sz, 26px);
  pointer-events: none; opacity: 0;
  background:
    radial-gradient(circle, rgba(255,255,255,.95) 0%, transparent 12%),
    /* 4-point cross flare */
    linear-gradient(0deg, transparent 46%, rgba(207,230,255,.95) 50%, transparent 54%),
    linear-gradient(90deg, transparent 46%, rgba(207,230,255,.95) 50%, transparent 54%);
  background-repeat: no-repeat; background-position: center;
  filter: drop-shadow(0 0 6px var(--glow-gem));
  animation: twinkle var(--tw, 2.6s) ease-in-out infinite;
  animation-delay: var(--dl, 0s);
}
.sparkle.s1 { top: 16%; left: 30%; --sz: 30px; --tw: 2.4s; --dl: .2s; }
.sparkle.s2 { top: 40%; left: 60%; --sz: 22px; --tw: 3.1s; --dl: .9s; }
.sparkle.s3 { top: 62%; left: 38%; --sz: 18px; --tw: 2.2s; --dl: 1.5s; }
.sparkle.s4 { top: 28%; left: 72%; --sz: 14px; --tw: 2.8s; --dl: .5s; }
@keyframes twinkle {
  0%, 100% { opacity: 0; transform: scale(.4) rotate(0deg); }
  45%      { opacity: 1; transform: scale(1) rotate(25deg); }
  60%      { opacity: .7; transform: scale(.85) rotate(35deg); }
}
/* sparkles intensify dramatically with lights off */
[data-lights="off"] .sparkle { --glow-gem: rgba(207,230,255,1); }
[data-lights="off"] .sparkle.s1 { --sz: 54px; }
[data-lights="off"] .sparkle.s2 { --sz: 42px; }
[data-lights="off"] .sparkle.s3 { --sz: 36px; }
[data-lights="off"] .sparkle.s4 { --sz: 30px; }

/* ============================================================================
   VALUE PROPS
   ============================================================================ */
.props { max-width: var(--maxw); margin: clamp(4rem, 9vw, 7rem) auto 0; padding: 0 1.6rem; }
.props-head { margin-bottom: 2.6rem; }
.props-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.2rem;
}
@media (max-width: 900px){ .props-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px){ .props-grid { grid-template-columns: 1fr; } }
.prop-card {
  background: var(--surface); border: 1px solid var(--border-soft);
  border-radius: var(--radius); padding: 1.8rem 1.5rem; position: relative; overflow: hidden;
  transition: transform .4s var(--ease), border-color .4s var(--ease), box-shadow .4s var(--ease);
}
.prop-card::before {
  content: ""; position: absolute; inset: 0; background: var(--card-sheen);
  opacity: .6; pointer-events: none;
}
.prop-card:hover {
  transform: translateY(-4px); border-color: var(--border);
  box-shadow: 0 24px 50px -28px rgba(0,0,0,.7);
}
.prop-num {
  font-family: var(--font-display); font-size: 2.4rem; color: var(--accent);
  font-style: italic; display: block; margin-bottom: .6rem; opacity: .85;
}
.prop-card h3 { font-size: 1.32rem; margin-bottom: .5rem; color: var(--text); }
.prop-card p { color: var(--text-soft); font-size: .94rem; margin: 0; position: relative; }

/* ============================================================================
   COLLECTION / PRODUCT GRID
   ============================================================================ */
.collection { max-width: var(--maxw); margin: clamp(4rem, 9vw, 7rem) auto 0; padding: 0 1.6rem; }
.collection-head { margin-bottom: 2.8rem; max-width: 60ch; }
.product-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.4rem;
}
@media (max-width: 1000px){ .product-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px){ .product-grid { grid-template-columns: 1fr; } }

.product-card {
  background: var(--surface); border: 1px solid var(--border-soft);
  border-radius: var(--radius); padding: .8rem .8rem 1.4rem; position: relative;
  display: flex; flex-direction: column;
  transition: transform .45s var(--ease), border-color .45s var(--ease), box-shadow .45s var(--ease);
}
.product-card:hover {
  transform: translateY(-6px); border-color: var(--border);
  box-shadow: 0 30px 60px -30px rgba(0,0,0,.75), 0 0 40px -20px var(--glow-gem);
}
.product-media {
  position: relative; border-radius: 10px; overflow: hidden; aspect-ratio: 4/5;
  margin-bottom: 1.1rem; background: var(--bg-2);
}
.product-media img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .8s var(--ease), filter .9s var(--ease);
}
.product-card:hover .product-media img { transform: scale(1.06); }

/* gem flare sweeps across the stone on hover; pulses on its own when lights off */
.gem-flare {
  position: absolute; inset: 0; pointer-events: none; z-index: 3; opacity: 0;
  background:
    radial-gradient(circle at 50% 45%, rgba(255,255,255,.85) 0%, transparent 9%),
    radial-gradient(circle at 50% 45%, var(--glow-gem) 0%, transparent 26%);
  transition: opacity .5s var(--ease);
  mix-blend-mode: screen;
}
.product-card:hover .gem-flare { opacity: 1; }
[data-lights="off"] .gem-flare { opacity: .75; animation: gem-pulse 2.6s ease-in-out infinite; }
@keyframes gem-pulse { 50% { opacity: 1; transform: scale(1.12); } }

.product-tag {
  position: absolute; top: .8rem; left: .8rem; z-index: 4;
  font-size: .66rem; letter-spacing: .18em; text-transform: uppercase; font-weight: 700;
  padding: .35rem .7rem; border-radius: 100px; color: var(--metal-text);
  background: var(--metal-grad);
  box-shadow: 0 4px 14px -6px var(--glow-gold);
}
.product-info { padding: 0 .4rem; flex: 1; }
.product-info h3 { font-size: 1.34rem; color: var(--text); margin-bottom: .25rem; }
.product-meta { font-size: .8rem; color: var(--text-faint); letter-spacing: .04em; margin: 0 0 .7rem; }
.product-price {
  font-family: var(--font-display); font-size: 1.5rem; color: var(--accent);
  margin: 0 0 1.1rem; font-weight: 500;
}
.product-btn { width: calc(100% - .8rem); margin: 0 .4rem; padding: .8rem; font-size: .9rem; }

/* card-wrapping link (shop + PDP related): keep card layout intact, no underline */
.product-link { display: block; color: inherit; text-decoration: none; }

/* ============================================================================
   ATELIER STRIP
   ============================================================================ */
.atelier {
  margin: clamp(4.5rem, 10vw, 8rem) auto 0; max-width: 1480px; padding: 0 1.6rem;
  display: grid; grid-template-columns: 1.2fr 1fr; gap: 0; align-items: stretch;
  position: relative;
}
@media (max-width: 900px){ .atelier { grid-template-columns: 1fr; } }
.atelier-media { position: relative; border-radius: var(--radius) 0 0 var(--radius); overflow: hidden; min-height: 460px; }
@media (max-width: 900px){ .atelier-media { border-radius: var(--radius) var(--radius) 0 0; min-height: 320px; } }
.atelier-media img { width: 100%; height: 100%; object-fit: cover; }
.atelier-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(100deg, transparent 30%, color-mix(in srgb, var(--bg) 85%, transparent));
}
.atelier-copy {
  background: var(--surface); border: 1px solid var(--border-soft);
  border-left: 0; border-radius: 0 var(--radius) var(--radius) 0;
  padding: clamp(2rem, 5vw, 3.6rem); display: flex; flex-direction: column; justify-content: center; gap: 1.1rem;
}
@media (max-width: 900px){ .atelier-copy { border-left: 1px solid var(--border-soft); border-radius: 0 0 var(--radius) var(--radius); } }
.atelier-copy p { color: var(--text-soft); margin: 0; max-width: 48ch; }
.atelier-copy .btn { align-self: flex-start; margin-top: .6rem; }

/* ============================================================================
   ABOUT
   ============================================================================ */
.about { max-width: 900px; margin: clamp(5rem, 11vw, 9rem) auto; padding: 0 1.6rem; text-align: center; }
.about-inner .about-lede { margin: 1.6rem auto 0; text-align: center; font-size: 1.15rem; }

/* ============================================================================
   NEWSLETTER
   ============================================================================ */
.newsletter {
  position: relative; margin: 0 1.6rem clamp(4rem, 9vw, 7rem); overflow: hidden;
  max-width: var(--maxw); margin-left: auto; margin-right: auto;
  border-radius: 24px; border: 1px solid var(--border);
  background: linear-gradient(160deg, var(--surface), var(--bg-2));
  padding: clamp(3rem, 7vw, 5.5rem) 1.6rem;
}
.newsletter-glow {
  position: absolute; inset: auto -10% -60% -10%; height: 120%;
  background: radial-gradient(50% 60% at 50% 30%, var(--glow-gold), transparent 65%);
  pointer-events: none; animation: breathe 8s ease-in-out infinite;
}
.newsletter-inner { position: relative; z-index: 2; max-width: 620px; margin: 0 auto; text-align: center; }
.newsletter-inner > p { color: var(--text-soft); margin: 1rem auto 2rem; }
.newsletter-form {
  display: flex; gap: .7rem; max-width: 460px; margin: 0 auto;
}
@media (max-width: 480px){ .newsletter-form { flex-direction: column; } }
.newsletter-form input {
  flex: 1; padding: .92rem 1.2rem; border-radius: 100px; font-family: var(--font-sans);
  font-size: .95rem; color: var(--text); background: var(--bg); border: 1px solid var(--border);
  outline: none; transition: border-color .3s var(--ease), box-shadow .3s var(--ease);
}
.newsletter-form input::placeholder { color: var(--text-faint); }
.newsletter-form input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--glow-gold); }
.newsletter-fine { font-size: .78rem; color: var(--text-faint); margin-top: 1.2rem; }

/* ============================================================================
   FOOTER
   ============================================================================ */
.site-footer {
  border-top: 1px solid var(--border-soft); background: var(--bg-2);
  padding: clamp(3rem, 6vw, 4.5rem) 1.6rem 1.6rem;
  transition: background .9s var(--ease);
}
.footer-inner {
  max-width: var(--maxw); margin: 0 auto; display: grid;
  grid-template-columns: 1.4fr 2fr; gap: 3rem;
}
@media (max-width: 760px){ .footer-inner { grid-template-columns: 1fr; gap: 2.4rem; } }
.footer-tagline { color: var(--text-soft); margin: 1rem 0 .5rem; font-size: .92rem; }
.footer-tagline strong { color: var(--accent); }
.footer-pay { color: var(--text-faint); font-size: .85rem; margin: 0; }
.footer-nav { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
@media (max-width: 480px){ .footer-nav { grid-template-columns: repeat(2, 1fr); } }
.footer-nav h4 {
  font-family: var(--font-sans); font-size: .72rem; letter-spacing: .2em; text-transform: uppercase;
  color: var(--text-faint); margin-bottom: 1rem; font-weight: 700;
}
.footer-nav a { display: block; color: var(--text-soft); font-size: .92rem; margin-bottom: .5rem; transition: color .3s var(--ease); }
.footer-nav a:hover { color: var(--accent); }
.footer-bottom {
  max-width: var(--maxw); margin: 2.6rem auto 0; padding-top: 1.4rem;
  border-top: 1px solid var(--border-soft);
  display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
  font-size: .8rem; color: var(--text-faint);
}
.footer-bottom p { margin: 0; }
.footer-lab-link {
  flex-basis: 100%; order: 3;
  font-size: .72rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--text-faint); text-decoration: none; opacity: .65;
  transition: opacity .2s, color .2s;
}
.footer-lab-link:hover { opacity: 1; color: var(--gold, #d8b46a); }

/* ============================================================================
   PAGE-LOAD REVEALS + scroll reveals
   ============================================================================ */
.reveal { opacity: 0; transform: translateY(22px); animation: reveal-up .9s var(--ease) forwards; animation-delay: var(--d, 0ms); }
@keyframes reveal-up { to { opacity: 1; transform: none; } }

.reveal-on-scroll { opacity: 0; transform: translateY(28px); transition: opacity .8s var(--ease), transform .8s var(--ease); transition-delay: var(--d, 0ms); }
.reveal-on-scroll.in { opacity: 1; transform: none; }

@keyframes mark-glow {
  0%, 100% { opacity: .55; filter: drop-shadow(0 0 4px var(--glow-gold)); }
  50%      { opacity: 1; filter: drop-shadow(0 0 10px var(--glow-gold)); }
}

/* ============================================================================
   GLOW EVERYWHERE — hover glow across (almost) every interactive element
   ============================================================================ */
.nav a:hover { text-shadow: 0 0 14px var(--glow-gem); }
.footer-nav a:hover { text-shadow: 0 0 12px var(--glow-gem); }
.footer-tagline strong { transition: text-shadow .3s var(--ease); }
.prop-card:hover {
  transform: translateY(-4px); border-color: var(--accent);
  box-shadow: 0 24px 50px -28px rgba(0,0,0,.5), 0 0 38px -10px var(--glow-gem);
}
.atelier-media img { transition: filter .6s var(--ease); }
.atelier:hover .atelier-media img { filter: brightness(1.07); }
.wordmark:hover .wordmark-mark { filter: drop-shadow(0 0 13px var(--glow-gold)); }
.theme-toggle:hover .theme-toggle-track { box-shadow: 0 0 18px -3px var(--glow-gem); }
.lights-switch:hover { text-shadow: 0 0 12px var(--glow-gold); }
.newsletter-form input:hover { border-color: var(--accent); box-shadow: 0 0 0 3px var(--glow-gem); }
.hero-caption em:hover { text-shadow: 0 0 12px var(--glow-gem); }
.product-info h3 { transition: text-shadow .3s var(--ease); }
.product-card:hover .product-info h3 { text-shadow: 0 0 16px var(--glow-gem); }

/* ============================================================================
   CLICK BURST — intense glow flash at the pointer on any click
   ============================================================================ */
.click-burst {
  position: fixed; z-index: 9999; pointer-events: none;
  width: 12px; height: 12px;
  border-radius: 50%; transform: translate(-50%, -50%) scale(.2);
  background: radial-gradient(circle, rgba(255,255,255,.98) 0%, var(--glow-gem) 24%, transparent 62%);
  box-shadow: 0 0 44px 14px var(--glow-gem), 0 0 90px 34px var(--glow-gold);
  mix-blend-mode: screen;
  animation: burst .64s var(--ease) forwards;
}
.click-burst::before {
  content: ""; position: absolute; inset: -260%;
  background:
    linear-gradient(0deg, transparent 47.5%, rgba(255,255,255,.95) 50%, transparent 52.5%),
    linear-gradient(90deg, transparent 47.5%, rgba(255,255,255,.95) 50%, transparent 52.5%);
  filter: drop-shadow(0 0 7px var(--glow-gem));
}
@keyframes burst {
  0%   { opacity: 0; transform: translate(-50%,-50%) scale(.2) rotate(0deg); }
  28%  { opacity: 1; transform: translate(-50%,-50%) scale(1.15) rotate(18deg); }
  100% { opacity: 0; transform: translate(-50%,-50%) scale(2.6) rotate(46deg); }
}

/* ============================================================================
   PRODUCT CARD — two-click progressive illumination (1º ilumina · 2º intensifica)
   ============================================================================ */
.product-card { cursor: pointer; }
.product-card.lit {
  border-color: var(--accent);
  box-shadow: 0 30px 60px -30px rgba(0,0,0,.55), 0 0 46px -8px var(--glow-gem);
}
.product-card.lit .gem-flare { opacity: .85; animation: gem-pulse 3s ease-in-out infinite; }
.product-card.lit .product-media img { filter: brightness(1.08) contrast(1.06); }
.product-card.lit-2 {
  border-color: var(--accent-2);
  box-shadow: 0 30px 70px -28px rgba(0,0,0,.7),
              0 0 84px -2px var(--glow-gem),
              0 0 44px -6px var(--glow-gold);
  transform: translateY(-8px) scale(1.015);
}
.product-card.lit-2 .gem-flare { opacity: 1; animation: gem-pulse 1.8s ease-in-out infinite; }
.product-card.lit-2 .product-media img { filter: brightness(1.16) contrast(1.12) saturate(1.08); }
.product-card.lit-2::after {
  content: "✦"; position: absolute; top: .8rem; right: .8rem; z-index: 5;
  font-size: .9rem; color: var(--accent-2); text-shadow: 0 0 14px var(--glow-gem);
  animation: mark-glow 2s ease-in-out infinite;
}

/* extra lights-off drama */
[data-lights="off"] .hero-media-glow { filter: blur(28px); opacity: 1; transform: scale(1.12); }
[data-lights="off"] .product-card { box-shadow: 0 0 32px -16px var(--glow-gem); }
[data-lights="off"] .sparkle { filter: drop-shadow(0 0 12px var(--glow-gem)); }

/* ============================================================================
   BRAND SELECTOR — live name-preview tool (prototype only)
   ============================================================================ */
.brand-selector {
  position: fixed; left: 1rem; bottom: 1rem; z-index: 9990;
  display: flex; align-items: center; gap: .6rem;
  padding: .55rem .8rem .55rem .95rem; border-radius: 100px;
  background: color-mix(in srgb, var(--surface) 84%, transparent);
  backdrop-filter: blur(14px) saturate(1.1);
  border: 1px solid var(--border);
  box-shadow: 0 12px 34px -16px rgba(0,0,0,.5), 0 0 22px -10px var(--glow-gem);
  font-family: var(--font-sans);
  transition: background .9s var(--ease), border-color .9s var(--ease);
}
.brand-selector-label {
  font-size: .62rem; letter-spacing: .18em; text-transform: uppercase;
  color: var(--text-faint); font-weight: 700; white-space: nowrap;
}
.brand-selector select {
  font-family: var(--font-display); font-size: 1.02rem; letter-spacing: .04em;
  color: var(--text); background: transparent; border: 0; outline: none;
  cursor: pointer; padding: .1rem .2rem; max-width: 46vw;
}
.brand-selector select option { color: #14171c; font-family: var(--font-sans); }
@media (max-width: 560px) {
  .brand-selector { left: .6rem; bottom: .6rem; padding: .5rem .65rem; }
  .brand-selector-label { display: none; }
}

/* ============================================================================
   SCROLL-FOCUS GLOW — in the dark, the box you're looking at lights up.
   The .focus-glow class is moved between boxes by scroll position (JS).
   ============================================================================ */
.product-card, .prop-card, .spec-card { transition:
  transform .45s var(--ease), border-color .45s var(--ease), box-shadow .55s var(--ease); }

[data-lights="off"] .focus-glow,
[data-theme="dark"] .focus-glow {
  border-color: var(--accent-2);
  box-shadow:
    0 0 0 1px color-mix(in srgb, var(--accent-2) 55%, transparent),
    0 0 70px -6px var(--glow-gem),
    0 0 34px -10px var(--glow-gold),
    0 24px 60px -30px rgba(0,0,0,.85);
  transform: translateY(-3px);
}
[data-lights="off"] .focus-glow .gem-flare,
[data-theme="dark"] .focus-glow .gem-flare {
  opacity: .6; animation: gem-pulse 3s ease-in-out infinite;
}
[data-lights="off"] .focus-glow .product-media img,
[data-theme="dark"] .focus-glow .product-media img {
  filter: brightness(1.1) contrast(1.08);
}

/* ============================================================================
   SCROLL ANIMATIONS — progress bar · parallax · hero letter reveal · stagger
   ============================================================================ */
.scroll-progress {
  position: fixed; top: 0; left: 0; height: 2px; width: 0; z-index: 10000;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 12px 1px var(--glow-gem), 0 0 4px var(--glow-gold);
  transition: width .12s linear; pointer-events: none;
}
.hero-media img, .atelier-media img { will-change: transform; }

/* hero title — letter-by-letter rise */
.hero-title .ltr {
  display: inline-block; opacity: 0; transform: translateY(.5em);
  animation: ltr-in .7s var(--ease) forwards;
  animation-delay: calc(var(--i, 0) * 26ms + 140ms);
}
@keyframes ltr-in { to { opacity: 1; transform: none; } }

/* card stagger cascade (for boxes not already on reveal-on-scroll) */
.stg {
  opacity: 0; transform: translateY(26px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
  transition-delay: var(--sd, 0ms);
}
.stg.stg-in { opacity: 1; transform: none; }

/* ============================================================================
   DARK-MODE AMBIENT GLOW — surfaces visibly glow in the dark (theme=dark or
   lights=off). Hover / lit / focus-glow states still win (gated via :not()).
   ============================================================================ */
[data-theme="dark"] .pdp-stage,
[data-lights="off"] .pdp-stage {
  box-shadow: 0 0 0 1px var(--border-soft), 0 0 66px -10px var(--glow-gem);
}
[data-theme="dark"] .pdp-stage-glow { opacity: .85; }

[data-theme="dark"] .product-card:not(:hover):not(.lit):not(.lit-2):not(.focus-glow),
[data-theme="dark"] .prop-card:not(:hover):not(.focus-glow),
[data-theme="dark"] .spec-card:not(:hover):not(.focus-glow),
[data-lights="off"] .product-card:not(:hover):not(.lit):not(.lit-2):not(.focus-glow),
[data-lights="off"] .prop-card:not(:hover):not(.focus-glow),
[data-lights="off"] .spec-card:not(:hover):not(.focus-glow) {
  box-shadow: 0 0 34px -14px var(--glow-gem);
  border-color: color-mix(in srgb, var(--accent-2) 28%, var(--border));
}
[data-theme="dark"] .pdp-detail,
[data-lights="off"] .pdp-detail {
  box-shadow: 0 0 42px -16px var(--glow-gem);
}
[data-theme="dark"] .btn-primary,
[data-lights="off"] .btn-primary {
  box-shadow: 0 6px 22px -8px var(--glow-gold), 0 0 30px -8px var(--glow-gem);
}
[data-theme="dark"] .pdp-chip[aria-pressed="true"],
[data-theme="dark"] .filter-chip[aria-pressed="true"],
[data-lights="off"] .pdp-chip[aria-pressed="true"],
[data-lights="off"] .filter-chip[aria-pressed="true"] {
  border-color: var(--accent-2);
  box-shadow: 0 0 18px -4px var(--glow-gem);
}
[data-theme="dark"] .pdp-price,
[data-lights="off"] .pdp-price { text-shadow: 0 0 18px var(--glow-gold); }
[data-theme="dark"] .pdp-stone::before,
[data-lights="off"] .pdp-stone::before { filter: drop-shadow(0 0 6px var(--glow-gem)); }

/* ============================================================================
   REDUCED MOTION — gate the heavy sparkle/twinkle/marquee/breathe
   ============================================================================ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important; animation-iteration-count: 1 !important;
    transition-duration: .15s !important; scroll-behavior: auto !important;
  }
  .sparkle { display: none; }
  .marquee-track { animation: none; transform: none; }
  .reveal, .reveal-on-scroll { opacity: 1; transform: none; }
  .gem-btn::before { animation: none; }
  /* keep theme/lights color transitions snappy but present */
  body, .grain, .vignette { transition-duration: .3s !important; }
}

/* ============================================================================
   ============================================================================
   PAGE-SPECIFIC — SHOP (shop.html)
   Clean, light, fast product catalog. Glow used only as accent on hover/lit.
   ============================================================================
   ============================================================================ */

/* compact editorial page header (reused by shop + moissanita) */
.page-hero {
  max-width: var(--maxw); margin: 0 auto; padding: clamp(2.6rem, 6vw, 4.6rem) 1.6rem clamp(1.6rem, 3vw, 2.4rem);
}
.page-hero .breadcrumb {
  font-size: .76rem; letter-spacing: .16em; text-transform: uppercase;
  color: var(--text-faint); margin: 0 0 1rem; display: flex; gap: .5rem; align-items: center;
}
.page-hero .breadcrumb a { color: var(--text-faint); transition: color .3s var(--ease); }
.page-hero .breadcrumb a:hover { color: var(--accent); }
.page-hero .breadcrumb .sep { opacity: .6; }
.page-title { font-size: clamp(2.2rem, 5.4vw, 3.6rem); line-height: 1.04; color: var(--text); }
.page-lede { color: var(--text-soft); max-width: 56ch; font-size: 1.08rem; margin: 1.1rem 0 0; }

/* trust strip (fast facts, builds confidence on shop) */
.trust-strip {
  max-width: var(--maxw); margin: 0 auto; padding: 0 1.6rem;
  display: flex; flex-wrap: wrap; gap: 1rem 2rem; align-items: center;
  border-top: 1px solid var(--border-soft); border-bottom: 1px solid var(--border-soft);
}
.trust-strip-inner { display: contents; }
.trust-item {
  display: flex; align-items: center; gap: .55rem; padding: 1rem 0;
  font-size: .86rem; color: var(--text-soft);
}
.trust-item .ico { color: var(--accent); font-size: 1rem; line-height: 1; }

/* visual-only category filters */
.shop-toolbar {
  max-width: var(--maxw); margin: clamp(1.8rem, 4vw, 2.6rem) auto 1.6rem; padding: 0 1.6rem;
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem;
}
.filters { display: flex; flex-wrap: wrap; gap: .55rem; }
.filter-chip {
  font-family: var(--font-sans); font-size: .85rem; font-weight: 500; letter-spacing: .01em;
  color: var(--text-soft); background: var(--surface-2); border: 1px solid var(--border-soft);
  border-radius: 100px; padding: .5rem 1.05rem; cursor: pointer;
  transition: color .3s var(--ease), border-color .3s var(--ease), background .3s var(--ease), box-shadow .3s var(--ease);
}
.filter-chip:hover { color: var(--text); border-color: var(--border); box-shadow: 0 0 16px -6px var(--glow-gem); }
.filter-chip[aria-pressed="true"] {
  color: var(--metal-text); background: var(--metal-grad); border-color: transparent;
  box-shadow: 0 4px 16px -8px var(--glow-gold);
}
.shop-sort { font-size: .82rem; color: var(--text-faint); }
.shop-sort select {
  font-family: var(--font-sans); font-size: .85rem; color: var(--text); background: var(--surface);
  border: 1px solid var(--border); border-radius: 100px; padding: .5rem .9rem; cursor: pointer;
}

/* shop grid — denser than the homepage teaser, 3-up on desktop */
.shop-grid {
  max-width: var(--maxw); margin: 0 auto clamp(4rem, 9vw, 7rem); padding: 0 1.6rem;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.6rem;
}
@media (max-width: 920px){ .shop-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px){ .shop-grid { grid-template-columns: 1fr; } }

/* product price row with optional installment line */
.product-price .installment {
  display: block; font-family: var(--font-sans); font-size: .76rem; color: var(--text-faint);
  letter-spacing: .02em; margin-top: .2rem; font-weight: 400;
}
.product-stone {
  font-size: .76rem; letter-spacing: .14em; text-transform: uppercase; color: var(--accent);
  font-weight: 600; margin: 0 0 .55rem; display: inline-flex; align-items: center; gap: .4rem;
}
.product-stone::before { content: "✦"; font-size: .8em; }

/* reassurance note under the grid */
.shop-note {
  max-width: var(--maxw); margin: 0 auto clamp(4rem, 9vw, 7rem); padding: 0 1.6rem;
  text-align: center; color: var(--text-faint); font-size: .9rem;
}
.shop-note a { color: var(--accent); border-bottom: 1px solid transparent; }
.shop-note a:hover { border-color: var(--accent); }

/* ============================================================================
   ============================================================================
   PAGE-SPECIFIC — MOISSANITA (moissanita.html)
   Editorial educational layout. Honest framing, glow as accent only.
   ============================================================================
   ============================================================================ */
.edu { max-width: 880px; margin: 0 auto; padding: 0 1.6rem; }
.edu-block { margin: clamp(2.4rem, 5vw, 3.6rem) 0; }
.edu-block h2 { font-size: clamp(1.7rem, 3.6vw, 2.4rem); color: var(--text); margin-bottom: .9rem; line-height: 1.1; }
.edu-block h2 em { color: var(--accent); }
.edu-block p { color: var(--text-soft); font-size: 1.06rem; margin: 0 0 1rem; }
.edu-block p:last-child { margin-bottom: 0; }
.edu-block strong { color: var(--text); font-weight: 600; }

/* the honest "não é diamante" callout — most important compliance note */
.edu-callout {
  max-width: 880px; margin: clamp(2rem, 5vw, 3rem) auto; padding: clamp(1.6rem, 4vw, 2.4rem);
  border-radius: var(--radius); border: 1px solid var(--border);
  background: linear-gradient(150deg, var(--surface), var(--surface-2));
  position: relative; overflow: hidden;
}
.edu-callout::before { content: ""; position: absolute; inset: 0; background: var(--card-sheen); opacity: .5; pointer-events: none; }
.edu-callout h2 { font-size: clamp(1.5rem, 3.2vw, 2rem); color: var(--text); margin-bottom: .7rem; position: relative; }
.edu-callout p { color: var(--text-soft); margin: 0; position: relative; }
.edu-callout strong { color: var(--accent); }

/* spec cards — brilho / dureza / dispersão */
.edu-specs {
  max-width: 880px; margin: clamp(2rem, 5vw, 3rem) auto;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem;
}
@media (max-width: 640px){ .edu-specs { grid-template-columns: 1fr; } }
.spec-card {
  background: var(--surface); border: 1px solid var(--border-soft); border-radius: var(--radius);
  padding: 1.6rem 1.4rem; transition: transform .4s var(--ease), border-color .4s var(--ease), box-shadow .4s var(--ease);
}
.spec-card:hover { transform: translateY(-4px); border-color: var(--accent); box-shadow: 0 0 34px -12px var(--glow-gem); }
.spec-num { font-family: var(--font-display); font-size: 2.4rem; color: var(--accent); line-height: 1; display: block; }
.spec-num small { font-size: 1rem; color: var(--text-faint); font-style: italic; }
.spec-card h3 { font-size: 1.05rem; color: var(--text); margin: .7rem 0 .35rem; }
.spec-card p { color: var(--text-soft); font-size: .9rem; margin: 0; }

/* "apague a luz" demo module — the only intentional dark accent on this page */
.edu-demo {
  max-width: 1080px; margin: clamp(3rem, 7vw, 5rem) auto; padding: 0 1.6rem;
}
.edu-demo-inner {
  position: relative; border-radius: 22px; overflow: hidden;
  display: grid; grid-template-columns: 1.1fr 1fr; gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center; padding: clamp(2rem, 5vw, 3.4rem);
  border: 1px solid var(--border); background: linear-gradient(160deg, var(--surface), var(--bg-2));
}
@media (max-width: 760px){ .edu-demo-inner { grid-template-columns: 1fr; } }
.edu-demo-copy h2 { font-size: clamp(1.6rem, 3.4vw, 2.2rem); color: var(--text); margin-bottom: .8rem; }
.edu-demo-copy p { color: var(--text-soft); margin: 0 0 1.4rem; }
.edu-demo-media { position: relative; }
.edu-demo-media img {
  width: 100%; border-radius: var(--radius); border: 1px solid var(--border);
  box-shadow: 0 30px 70px -34px rgba(0,0,0,.7); transition: filter .9s var(--ease);
}
.edu-demo-glow {
  position: absolute; inset: -8%; z-index: 0; border-radius: 50%;
  background: radial-gradient(circle, var(--glow-gem), transparent 62%);
  filter: blur(20px); opacity: .55; transition: opacity 1.1s var(--ease);
}
[data-lights="off"] .edu-demo-glow { opacity: 1; }
[data-lights="off"] .edu-demo-media img { filter: brightness(1.14) contrast(1.12) saturate(1.08); }

/* FAQ — semantic details/summary, accessible + zero-JS */
.faq { max-width: 880px; margin: clamp(2.4rem, 5vw, 3.6rem) auto clamp(4rem, 9vw, 7rem); padding: 0 1.6rem; }
.faq-item {
  border-bottom: 1px solid var(--border-soft);
}
.faq-item summary {
  cursor: pointer; list-style: none; padding: 1.2rem 2rem 1.2rem 0; position: relative;
  font-family: var(--font-display); font-size: 1.18rem; color: var(--text);
  transition: color .3s var(--ease);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { color: var(--accent); }
.faq-item summary::after {
  content: "+"; position: absolute; right: 0; top: 50%; transform: translateY(-50%);
  font-family: var(--font-sans); font-size: 1.4rem; color: var(--accent); transition: transform .3s var(--ease);
}
.faq-item[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq-item p { color: var(--text-soft); margin: 0 0 1.2rem; font-size: 1rem; max-width: 70ch; }

/* shared closing CTA band reused on edu page */
.edu-closing {
  max-width: var(--maxw); margin: 0 auto clamp(4rem, 9vw, 7rem); padding: 0 1.6rem;
  text-align: center;
}
.edu-closing .btn { margin: .4rem; }

/* ============================================================================
   ============================================================================
   PAGE-SPECIFIC — PRODUTO (PDP) · produto.html
   Clear, fast, trustworthy by default (light theme base). Jewelry needs
   inspection: metal, size, finish, scale. Dark/glow used as ACCENT only
   (gallery "apague a luz" mini-control). Never claims moissanite IS a diamond.
   ============================================================================
   ============================================================================ */

/* ---- breadcrumb ---- */
.pdp-breadcrumb {
  max-width: var(--maxw); margin: 0 auto; padding: clamp(1.4rem, 3vw, 2.2rem) 1.6rem .4rem;
  display: flex; flex-wrap: wrap; gap: .5rem; align-items: center;
  font-size: .76rem; letter-spacing: .14em; text-transform: uppercase; color: var(--text-faint);
}
.pdp-breadcrumb a { color: var(--text-faint); transition: color .3s var(--ease); }
.pdp-breadcrumb a:hover { color: var(--accent); }
.pdp-breadcrumb .sep { opacity: .6; }
.pdp-breadcrumb [aria-current="page"] { color: var(--text-soft); }

/* ---- PDP hero: gallery + buy box ---- */
.pdp {
  max-width: var(--maxw); margin: 0 auto; padding: clamp(1rem, 3vw, 2rem) 1.6rem clamp(2.4rem, 5vw, 3.6rem);
  display: grid; grid-template-columns: 1.08fr 1fr; gap: clamp(1.8rem, 4vw, 3.4rem);
  align-items: start;
}
@media (max-width: 920px){ .pdp { grid-template-columns: 1fr; gap: 2rem; } }

/* ----- GALLERY ----- */
.pdp-gallery {
  display: grid; grid-template-columns: 76px 1fr; gap: 1rem; position: sticky; top: 92px;
}
@media (max-width: 920px){ .pdp-gallery { position: static; } }
@media (max-width: 560px){ .pdp-gallery { grid-template-columns: 1fr; } }

.pdp-thumbs { display: flex; flex-direction: column; gap: .7rem; }
@media (max-width: 560px){
  .pdp-thumbs { flex-direction: row; order: 2; overflow-x: auto; scrollbar-width: none; }
  .pdp-thumbs::-webkit-scrollbar { display: none; }
}
.pdp-thumb {
  padding: 0; border: 1px solid var(--border-soft); border-radius: 10px; overflow: hidden;
  background: var(--bg-2); cursor: pointer; aspect-ratio: 1; flex: 0 0 auto; width: 100%;
  transition: border-color .3s var(--ease), box-shadow .3s var(--ease), transform .3s var(--ease);
}
@media (max-width: 560px){ .pdp-thumb { width: 64px; } }
.pdp-thumb img { width: 100%; height: 100%; object-fit: cover; }
.pdp-thumb:hover { border-color: var(--border); box-shadow: 0 0 16px -6px var(--glow-gem); }
.pdp-thumb.is-active {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent), 0 0 20px -8px var(--glow-gem);
}

.pdp-stage {
  position: relative; margin: 0; border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--border); background: var(--bg-2); aspect-ratio: 4/5;
  box-shadow: 0 30px 70px -36px rgba(0,0,0,.45);
}
.pdp-stage-glow {
  position: absolute; inset: -10%; z-index: 0; border-radius: 50%;
  background: radial-gradient(circle, var(--glow-gem), transparent 62%);
  filter: blur(22px); opacity: 0; transition: opacity 1.1s var(--ease);
}
[data-lights="off"] .pdp-stage-glow { opacity: 1; }
.pdp-stage img {
  position: relative; z-index: 1; width: 100%; height: 100%; object-fit: cover;
  transition: transform .9s var(--ease), filter .9s var(--ease);
}
.pdp-stage:hover img { transform: scale(1.05); }
[data-lights="off"] .pdp-stage img { filter: brightness(1.14) contrast(1.12) saturate(1.08); }

/* mini "apague a luz" control over the gallery */
.pdp-lights {
  position: absolute; z-index: 5; left: .8rem; bottom: .8rem;
  display: inline-flex; align-items: center; gap: .7rem; cursor: pointer;
  padding: .5rem .85rem; border-radius: 100px; color: var(--text);
  background: color-mix(in srgb, var(--surface) 82%, transparent);
  backdrop-filter: blur(12px) saturate(1.1);
  border: 1px solid var(--border);
  box-shadow: 0 10px 26px -14px rgba(0,0,0,.5);
  transition: box-shadow .4s var(--ease), background .9s var(--ease), border-color .9s var(--ease);
}
.pdp-lights:hover { box-shadow: 0 0 22px -6px var(--glow-gold); border-color: var(--accent); }
.pdp-lights:hover .lamp-bulb { box-shadow: 0 0 24px 5px var(--glow-gold), inset 0 -3px 6px rgba(120,80,20,.4); }
.pdp-lights .lights-label-main { font-size: .82rem; }
.pdp-lights .lights-label-sub { font-size: .72rem; }

/* ----- BUY BOX ----- */
.pdp-buy { display: flex; flex-direction: column; gap: 0; }
.pdp-stone {
  font-size: .76rem; letter-spacing: .14em; text-transform: uppercase; color: var(--accent);
  font-weight: 600; margin: 0 0 .55rem; display: inline-flex; align-items: center; gap: .4rem;
}
.pdp-stone::before { content: "✦"; font-size: .8em; }
.pdp-name { font-size: clamp(1.9rem, 4vw, 2.8rem); line-height: 1.05; color: var(--text); margin: 0 0 .6rem; }
.pdp-tagline { color: var(--text-soft); font-size: 1.04rem; margin: 0 0 1rem; max-width: 50ch; }

.pdp-rating-link {
  display: inline-flex; align-items: center; gap: .55rem; margin-bottom: 1.4rem;
  transition: opacity .3s var(--ease);
}
.pdp-rating-link:hover { opacity: .8; }
.pdp-stars { color: var(--gold); letter-spacing: .12em; font-size: 1rem; }
.pdp-rating-text { font-size: .85rem; color: var(--text-soft); }

.pdp-price-block {
  padding: 1.2rem 0; border-top: 1px solid var(--border-soft); border-bottom: 1px solid var(--border-soft);
  margin-bottom: 1.6rem;
}
.pdp-price {
  font-family: var(--font-display); font-size: clamp(2rem, 4.4vw, 2.6rem); color: var(--text);
  font-weight: 500; margin: 0 0 .15rem;
}
.pdp-installment { font-size: .95rem; color: var(--text-soft); margin: 0 0 .5rem; }
.pdp-installment strong { color: var(--text); font-weight: 600; }
.pdp-pix { font-size: .92rem; color: var(--text-soft); margin: 0; display: flex; align-items: center; gap: .5rem; flex-wrap: wrap; }
.pdp-pix strong { color: var(--accent); font-weight: 600; }
.pdp-pix-tag {
  font-size: .68rem; letter-spacing: .1em; text-transform: uppercase; font-weight: 700;
  color: var(--metal-text); background: var(--metal-grad);
  padding: .2rem .55rem; border-radius: 100px;
}

/* ----- options (metal / length) ----- */
.pdp-option { margin-bottom: 1.4rem; }
.pdp-option-label { font-size: .86rem; color: var(--text-soft); margin: 0 0 .6rem; letter-spacing: .01em; }
.pdp-option-value { color: var(--text); font-weight: 600; }
.pdp-chips { display: flex; flex-wrap: wrap; gap: .55rem; }
.pdp-chip {
  font-family: var(--font-sans); font-size: .9rem; font-weight: 500;
  color: var(--text-soft); background: var(--surface-2); border: 1px solid var(--border-soft);
  border-radius: 100px; padding: .6rem 1.15rem; cursor: pointer;
  transition: color .3s var(--ease), border-color .3s var(--ease), background .3s var(--ease), box-shadow .3s var(--ease);
}
.pdp-chip:hover { color: var(--text); border-color: var(--border); box-shadow: 0 0 16px -6px var(--glow-gem); }
.pdp-chip[aria-pressed="true"] {
  color: var(--text); background: var(--surface); border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent), 0 0 18px -8px var(--glow-gem);
}
.pdp-option-hint { font-size: .8rem; color: var(--text-faint); margin: .6rem 0 0; font-style: italic; }

/* ----- quantity + CTAs ----- */
.pdp-qty-row { display: flex; gap: .8rem; align-items: stretch; margin-bottom: .8rem; }
@media (max-width: 420px){ .pdp-qty-row { flex-wrap: wrap; } }
.pdp-qty {
  display: inline-flex; align-items: center; border: 1px solid var(--border); border-radius: 100px;
  background: var(--surface); overflow: hidden; flex: 0 0 auto;
}
.pdp-qty-btn {
  width: 42px; height: 100%; min-height: 46px; border: 0; background: none; cursor: pointer;
  font-size: 1.2rem; color: var(--text-soft); transition: color .3s var(--ease), background .3s var(--ease);
}
.pdp-qty-btn:hover { color: var(--text); background: var(--surface-2); }
.pdp-qty-input {
  width: 36px; text-align: center; border: 0; background: none; color: var(--text);
  font-family: var(--font-sans); font-size: 1rem; font-weight: 600; outline: none;
}
.pdp-add { flex: 1; }
.pdp-buy-now { width: 100%; margin-bottom: 1.4rem; }
@media (max-width: 420px){ .pdp-add { flex: 1 1 100%; } }

/* ----- inline reassurance ----- */
.pdp-reassure { list-style: none; margin: 0; padding: 1.2rem 0 0; border-top: 1px solid var(--border-soft); display: grid; gap: .55rem; }
.pdp-reassure li { display: flex; align-items: center; gap: .6rem; font-size: .88rem; color: var(--text-soft); }
.pdp-reassure .ico { color: var(--accent); font-size: 1rem; line-height: 1; }

/* ---- trust strip spacing on PDP ---- */
.pdp-trust { justify-content: center; gap: 1rem 1.8rem; }

/* ---- detail: description + specs ---- */
.pdp-detail {
  max-width: var(--maxw); margin: clamp(2.6rem, 6vw, 4.4rem) auto 0; padding: 0 1.6rem;
  display: grid; grid-template-columns: 1.25fr 1fr; gap: clamp(1.8rem, 4vw, 3.2rem); align-items: start;
}
@media (max-width: 860px){ .pdp-detail { grid-template-columns: 1fr; } }
.pdp-desc p { color: var(--text-soft); font-size: 1.05rem; margin: 1rem 0 0; max-width: 60ch; }
.pdp-desc .section-title { margin-top: .6rem; }
.pdp-desc-note { font-size: .95rem; }
.pdp-desc-note strong { color: var(--text); }

.pdp-specs {
  background: var(--surface); border: 1px solid var(--border-soft); border-radius: var(--radius);
  padding: 1.8rem 1.6rem; position: relative; overflow: hidden;
}
.pdp-specs::before { content: ""; position: absolute; inset: 0; background: var(--card-sheen); opacity: .5; pointer-events: none; }
.pdp-specs-title {
  font-family: var(--font-sans); font-size: .74rem; letter-spacing: .2em; text-transform: uppercase;
  color: var(--text-faint); font-weight: 700; margin: 0 0 1.2rem; position: relative;
}
.pdp-spec-list { margin: 0; position: relative; }
.pdp-spec-list > div {
  display: grid; grid-template-columns: 1fr 1.3fr; gap: 1rem; padding: .7rem 0;
  border-bottom: 1px solid var(--border-soft);
}
.pdp-spec-list > div:last-child { border-bottom: 0; }
.pdp-spec-list dt { font-size: .82rem; color: var(--text-faint); letter-spacing: .02em; }
.pdp-spec-list dd { margin: 0; font-size: .9rem; color: var(--text); }
.pdp-spec-list dd strong { color: var(--accent); }
.pdp-tbc {
  font-size: .66rem; letter-spacing: .08em; text-transform: uppercase; color: var(--text-faint);
  border: 1px solid var(--border-soft); border-radius: 100px; padding: .1rem .5rem; margin-left: .3rem;
}

/* ---- accordion (reuses .faq-item from edu page) ---- */
.pdp-accordion {
  max-width: var(--maxw); margin: clamp(2.6rem, 6vw, 4rem) auto 0; padding: 0 1.6rem;
}

/* ---- por que moissanita band ---- */
.pdp-why { max-width: var(--maxw); margin: clamp(3rem, 7vw, 5rem) auto 0; padding: 0 1.6rem; }
.pdp-why-inner {
  border-radius: 22px; border: 1px solid var(--border);
  background: linear-gradient(160deg, var(--surface), var(--bg-2));
  padding: clamp(2rem, 5vw, 3.4rem);
  display: grid; grid-template-columns: 1.3fr 1fr; gap: clamp(1.6rem, 4vw, 3rem); align-items: center;
}
@media (max-width: 760px){ .pdp-why-inner { grid-template-columns: 1fr; } }
.pdp-why-copy h2 { font-size: clamp(1.5rem, 3.2vw, 2.1rem); color: var(--text); margin-bottom: .8rem; line-height: 1.12; }
.pdp-why-copy p { color: var(--text-soft); margin: 0 0 1.4rem; max-width: 52ch; }
.pdp-why-facts { list-style: none; margin: 0; padding: 0; display: grid; gap: 1rem; }
.pdp-why-facts li { display: flex; align-items: baseline; gap: .9rem; color: var(--text-soft); font-size: .9rem; }
.pdp-why-num { font-family: var(--font-display); font-size: 1.7rem; color: var(--accent); font-weight: 500; min-width: 4ch; }

/* ---- reviews ---- */
.pdp-reviews { max-width: var(--maxw); margin: clamp(3rem, 7vw, 5rem) auto 0; padding: 0 1.6rem; }
.pdp-reviews-head { margin-bottom: 2rem; }
.pdp-reviews-summary { color: var(--text-soft); font-size: .95rem; margin: 1rem 0 0; display: flex; align-items: center; gap: .5rem; flex-wrap: wrap; }
.pdp-reviews-summary strong { color: var(--text); }
.pdp-reviews-illus { color: var(--text-faint); font-size: .82rem; font-style: italic; }
.pdp-reviews-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem; }
@media (max-width: 820px){ .pdp-reviews-grid { grid-template-columns: 1fr; } }
.pdp-review {
  margin: 0; background: var(--surface); border: 1px solid var(--border-soft); border-radius: var(--radius);
  padding: 1.6rem 1.5rem; transition: transform .4s var(--ease), border-color .4s var(--ease), box-shadow .4s var(--ease);
}
.pdp-review:hover { transform: translateY(-4px); border-color: var(--border); box-shadow: 0 0 34px -14px var(--glow-gem); }
.pdp-review .pdp-stars { font-size: .9rem; display: block; margin-bottom: .8rem; }
.pdp-review blockquote { margin: 0 0 1rem; font-family: var(--font-display); font-size: 1.05rem; line-height: 1.5; color: var(--text); font-style: italic; }
.pdp-review figcaption { font-size: .8rem; color: var(--text-faint); letter-spacing: .04em; }

/* ---- related ---- */
.pdp-related { max-width: var(--maxw); margin: clamp(3rem, 7vw, 5rem) auto clamp(4rem, 9vw, 7rem); padding: 0 1.6rem; }
.pdp-related-head { margin-bottom: 2rem; }
.pdp-related-grid .product-link { display: block; color: inherit; }

/* ---- sticky add-to-bag (mobile only) ---- */
.pdp-sticky {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 9985;
  display: none; align-items: center; gap: .8rem; padding: .7rem 1rem;
  background: color-mix(in srgb, var(--surface) 94%, transparent);
  backdrop-filter: blur(14px) saturate(1.1);
  border-top: 1px solid var(--border);
  box-shadow: 0 -10px 30px -16px rgba(0,0,0,.4);
  transform: translateY(110%); transition: transform .4s var(--ease);
}
.pdp-sticky.is-visible { transform: translateY(0); }
.pdp-sticky-thumb { width: 46px; height: 46px; border-radius: 8px; object-fit: cover; flex: 0 0 auto; border: 1px solid var(--border-soft); }
.pdp-sticky-info { display: flex; flex-direction: column; line-height: 1.2; flex: 1; min-width: 0; }
.pdp-sticky-name { font-family: var(--font-display); font-size: .95rem; color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.pdp-sticky-price { font-size: .78rem; color: var(--text-soft); }
.pdp-sticky-add { flex: 0 0 auto; padding: .7rem 1.2rem; font-size: .85rem; }
@media (max-width: 760px){
  .pdp-sticky { display: flex; }
}
