/* ========================================================
   ADELINA GEM · Design System — Atelier After Dark
   ======================================================== */
:root {
  --text-xs:   clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg:   clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl:   clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl:  clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl:  clamp(2.5rem, 1rem + 4vw, 5rem);
  --text-hero: clamp(3rem, 0.5rem + 7vw, 7.5rem);

  --space-1: 0.25rem; --space-2: 0.5rem; --space-3: 0.75rem;
  --space-4: 1rem; --space-5: 1.25rem; --space-6: 1.5rem;
  --space-8: 2rem; --space-10: 2.5rem; --space-12: 3rem;
  --space-16: 4rem; --space-20: 5rem; --space-24: 6rem; --space-32: 8rem;

  --color-bg: #f5f2ec;
  --color-surface: #f8f5f0;
  --color-surface-2: #faf8f4;
  --color-surface-offset: #ede9e1;
  --color-border: #c4bdb0;
  --color-text: #1a1610;
  --color-text-muted: #6b6355;
  --color-text-faint: #a8a090;

  --color-primary: #5a2a52;
  --color-primary-hover: #6f3866;
  --color-gold: #c89534;
  --color-gold-hover: #b8862a;
  --color-success: #1a5c35;

  --font-display: 'Cormorant Garamond', 'Georgia', serif;
  --font-body: 'Work Sans', 'Helvetica Neue', sans-serif;

  --radius-sm: 0.25rem; --radius-md: 0.5rem;
  --radius-lg: 0.75rem; --radius-xl: 1rem;

  --t-fast: 120ms cubic-bezier(0.16, 1, 0.3, 1);
  --t-int: 220ms cubic-bezier(0.16, 1, 0.3, 1);
  --t-lux: 600ms cubic-bezier(0.25, 0.46, 0.45, 0.94);

  --content: 1200px;
  --content-narrow: 720px;
}

[data-theme="dark"] {
  --color-bg: #15110b;
  --color-surface: #1c1813;
  --color-surface-2: #221d17;
  --color-surface-offset: #2a241d;
  --color-border: #3d362c;
  --color-text: #e8e2d8;
  --color-text-muted: #9a9186;
  --color-text-faint: #6b6357;
  --color-primary: #a26196;
  --color-primary-hover: #b87bac;
  --color-gold: #d4a44a;
  --color-gold-hover: #e0b660;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; scroll-behavior: smooth; font-size: 16px; scroll-padding-top: 80px; }
body {
  min-height: 100dvh;
  line-height: 1.65;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background: var(--color-bg);
  font-weight: 400;
  overflow-x: hidden;
}
img, picture, video, svg { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; background: none; border: 0; color: inherit; }
h1, h2, h3, h4 { font-family: var(--font-display); line-height: 1.15; font-weight: 400; letter-spacing: -0.01em; text-wrap: balance; }
p { text-wrap: pretty; }
::selection { background: color-mix(in oklab, var(--color-primary) 30%, transparent); color: var(--color-text); }
:focus-visible { outline: 2px solid var(--color-gold); outline-offset: 3px; border-radius: var(--radius-sm); }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}

/* Layout */
.container { max-width: var(--content); margin-inline: auto; padding-inline: var(--space-6); }
.container--narrow { max-width: var(--content-narrow); margin-inline: auto; padding-inline: var(--space-6); }
.section { padding-block: clamp(var(--space-16), 8vw, var(--space-32)); }
.section--tight { padding-block: clamp(var(--space-8), 4vw, var(--space-16)); }

/* Typography */
.eyebrow {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: var(--space-4);
}
.h-display { font-family: var(--font-display); font-size: var(--text-3xl); font-weight: 300; font-style: italic; line-height: 1.05; letter-spacing: -0.02em; }
.h-section { font-family: var(--font-display); font-size: var(--text-2xl); font-weight: 400; line-height: 1.15; }
.h-card { font-family: var(--font-display); font-size: var(--text-xl); font-weight: 400; font-style: italic; }
.lead { font-size: var(--text-lg); line-height: 1.5; color: var(--color-text-muted); max-width: 60ch; }
.body-text { color: var(--color-text-muted); max-width: 65ch; line-height: 1.75; }
.body-text + .body-text { margin-top: var(--space-4); }
.accent-gold { color: var(--color-gold); }

/* Nav */
.nav { position: fixed; top: 0; left: 0; right: 0; z-index: 100; padding-block: var(--space-4); transition: background var(--t-int), backdrop-filter var(--t-int), border var(--t-int); border-bottom: 1px solid transparent; }
.nav.is-scrolled { background: color-mix(in oklab, var(--color-bg) 92%, transparent); backdrop-filter: blur(12px); border-bottom-color: var(--color-border); }
.nav__inner { display: flex; align-items: center; justify-content: space-between; gap: var(--space-6); }
.nav__logo { display: inline-flex; align-items: center; gap: var(--space-2); font-family: var(--font-display); font-size: var(--text-lg); font-style: italic; }
.nav__logo svg { width: 28px; height: 28px; }
.nav__links { display: none; gap: var(--space-8); }
.nav__links a { font-size: var(--text-sm); letter-spacing: 0.05em; text-transform: uppercase; color: var(--color-text-muted); transition: color var(--t-int); }
.nav__links a:hover { color: var(--color-gold); }
.nav__cta { display: inline-flex; gap: var(--space-3); }
@media (min-width: 880px) { .nav__links { display: inline-flex; } }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: var(--space-2); padding: var(--space-3) var(--space-6); font-family: var(--font-body); font-size: var(--text-sm); font-weight: 500; letter-spacing: 0.05em; text-transform: uppercase; border-radius: var(--radius-sm); transition: all var(--t-lux); cursor: pointer; border: 1px solid transparent; }
.btn--primary { background: var(--color-primary); color: #fff; box-shadow: 0 8px 32px color-mix(in oklab, var(--color-primary) 35%, transparent); }
.btn--primary:hover { background: var(--color-primary-hover); transform: translateY(-1px); }
.btn--secondary { background: transparent; color: var(--color-gold); border-color: var(--color-gold); }
.btn--secondary:hover { background: color-mix(in oklab, var(--color-gold) 12%, transparent); }
.btn--ghost { background: transparent; color: var(--color-text-muted); }
.btn--ghost:hover { color: var(--color-gold); }
.btn--lg { padding: var(--space-4) var(--space-8); font-size: var(--text-base); }
.btn-row { display: flex; flex-wrap: wrap; gap: var(--space-4); }

/* Hero */
.hero { position: relative; min-height: 100dvh; display: grid; place-items: center; text-align: center; overflow: hidden; padding-block: var(--space-32) var(--space-16); }
.hero__bg { position: absolute; inset: 0; z-index: -2; background: url('img/hero.jpg') center/cover no-repeat; filter: brightness(0.55) contrast(1.05) saturate(0.9); }
.hero__overlay { position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, color-mix(in oklab, var(--color-bg) 30%, transparent) 0%, color-mix(in oklab, var(--color-bg) 70%, transparent) 70%, var(--color-bg) 100%); }
.hero__content { max-width: 880px; padding: 0 var(--space-6); }
.hero__title { font-family: var(--font-display); font-size: var(--text-hero); font-weight: 300; font-style: italic; line-height: 1.0; letter-spacing: -0.03em; margin-bottom: var(--space-6); }
.hero__title .accent { font-style: normal; color: var(--color-gold); font-weight: 500; }
.hero__sub { font-size: var(--text-lg); color: var(--color-text); margin-bottom: var(--space-10); line-height: 1.4; max-width: 560px; margin-inline: auto; }
.hero__ctas { display: flex; flex-wrap: wrap; gap: var(--space-4); justify-content: center; }
.hero__scroll { position: absolute; bottom: var(--space-8); left: 50%; transform: translateX(-50%); font-size: var(--text-xs); letter-spacing: 0.2em; text-transform: uppercase; color: var(--color-text-muted); display: flex; flex-direction: column; align-items: center; gap: var(--space-2); animation: bob 2.5s ease-in-out infinite; }
.hero__scroll::after { content: ''; width: 1px; height: 24px; background: var(--color-text-muted); }
@keyframes bob { 0%,100% { transform: translateX(-50%) translateY(0); } 50% { transform: translateX(-50%) translateY(6px); } }

/* Why Now */
.why-now { display: grid; gap: var(--space-12); align-items: start; }
.why-now__stat { font-family: var(--font-display); font-size: clamp(3rem, 8vw, 7rem); font-weight: 300; font-style: italic; line-height: 1; color: var(--color-primary); letter-spacing: -0.04em; }
.why-now__stat-label { font-size: var(--text-sm); color: var(--color-text-muted); margin-top: var(--space-4); letter-spacing: 0.1em; text-transform: uppercase; }
@media (min-width: 880px) { .why-now { grid-template-columns: 5fr 7fr; gap: var(--space-16); } }

/* Stats */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1px; background: var(--color-border); border: 1px solid var(--color-border); border-radius: var(--radius-xl); overflow: hidden; }
.stat { background: var(--color-surface); padding: var(--space-10) var(--space-6); text-align: center; }
.stat__number { font-family: var(--font-display); font-size: clamp(2.5rem, 5vw, 4rem); font-weight: 300; color: var(--color-gold); line-height: 1; margin-bottom: var(--space-2); font-style: italic; }
.stat__label { font-size: var(--text-xs); font-weight: 500; letter-spacing: 0.15em; text-transform: uppercase; color: var(--color-text-muted); }
.stat__source { font-size: var(--text-xs); color: var(--color-text-faint); margin-top: var(--space-2); }

/* Why Adelina */
.why-adelina { display: grid; gap: var(--space-10); align-items: center; }
.why-adelina__image { aspect-ratio: 4/5; background: url('img/lina.jpg') center/cover no-repeat; border-radius: var(--radius-xl); box-shadow: 0 24px 60px color-mix(in oklab, #000 40%, transparent); }
@media (min-width: 880px) { .why-adelina { grid-template-columns: 5fr 6fr; gap: var(--space-16); } }

/* Paths */
.paths { display: grid; gap: var(--space-8); }
.path-card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-xl); padding: var(--space-10) var(--space-8); transition: all var(--t-lux); position: relative; }
.path-card:hover { transform: translateY(-4px); box-shadow: 0 24px 60px color-mix(in oklab, var(--color-primary) 18%, transparent); border-color: color-mix(in oklab, var(--color-primary) 40%, var(--color-border)); }
.path-card__label { font-size: var(--text-xs); letter-spacing: 0.2em; text-transform: uppercase; color: var(--color-gold); margin-bottom: var(--space-4); }
.path-card__title { font-family: var(--font-display); font-size: var(--text-xl); font-style: italic; font-weight: 400; margin-bottom: var(--space-3); }
.path-card__tagline { font-style: italic; color: var(--color-text-muted); margin-bottom: var(--space-6); }
.path-card__price { font-family: var(--font-display); font-size: var(--text-2xl); font-weight: 500; color: var(--color-gold); margin-bottom: var(--space-6); }
.path-card__list { list-style: none; padding: 0; margin-bottom: var(--space-8); }
.path-card__list li { padding-block: var(--space-3); border-bottom: 1px solid var(--color-border); font-size: var(--text-sm); color: var(--color-text-muted); display: flex; gap: var(--space-3); align-items: flex-start; }
.path-card__list li::before { content: '◆'; color: var(--color-gold); font-size: 0.6em; margin-top: 0.6em; flex-shrink: 0; }
.path-card__list li:last-child { border-bottom: 0; }
@media (min-width: 880px) { .paths { grid-template-columns: 1fr 1fr; } }

/* Stones */
.stones { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: var(--space-6); }
.stone-card { background: var(--color-surface); border-radius: var(--radius-xl); overflow: hidden; border: 1px solid var(--color-border); transition: all var(--t-lux); text-decoration: none; color: inherit; display: block; }
.stone-card:hover { transform: translateY(-4px); border-color: color-mix(in oklab, var(--color-primary) 40%, var(--color-border)); }
.stone-card__img { aspect-ratio: 4/5; width: 100%; object-fit: cover; }
.stone-card__body { padding: var(--space-5) var(--space-6) var(--space-6); }
.stone-card__name { font-family: var(--font-display); font-size: var(--text-lg); font-style: italic; margin-bottom: var(--space-2); }
.stone-card__energy { font-size: var(--text-sm); color: var(--color-text-muted); line-height: 1.5; }

/* Reserve */
.reserve { background: var(--color-surface-2); border: 1px solid var(--color-border); border-radius: var(--radius-xl); padding: var(--space-10); text-align: center; }
.reserve__list { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: var(--space-6); margin-top: var(--space-8); list-style: none; padding: 0; }
.reserve__list li { padding: var(--space-5); background: var(--color-bg); border-radius: var(--radius-md); text-align: left; }
.reserve__list .name { font-family: var(--font-display); font-style: italic; font-size: var(--text-base); color: var(--color-gold); margin-bottom: var(--space-1); }
.reserve__list .note { font-size: var(--text-sm); color: var(--color-text-muted); }
.reserve__caveat { margin-top: var(--space-6); font-size: var(--text-sm); font-style: italic; color: var(--color-text-faint); }

/* Trust */
.trust { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: var(--space-6); }
.trust__item { padding: var(--space-6); border-left: 1px solid var(--color-border); }
.trust__item:first-child { border-left: 0; padding-left: 0; }
.trust__title { font-family: var(--font-display); font-size: var(--text-lg); font-style: italic; color: var(--color-gold); margin-bottom: var(--space-3); }
.trust__desc { font-size: var(--text-sm); color: var(--color-text-muted); line-height: 1.6; }
@media (max-width: 720px) {
  .trust__item { border-left: 0; border-top: 1px solid var(--color-border); padding-left: 0; padding-top: var(--space-6); }
  .trust__item:first-child { border-top: 0; padding-top: 0; }
}

/* Closing */
.closing { text-align: center; padding-block: clamp(var(--space-20), 12vw, var(--space-32)); }
.closing__text { font-family: var(--font-display); font-size: var(--text-xl); font-style: italic; line-height: 1.5; color: var(--color-text); max-width: 50ch; margin: 0 auto var(--space-6); }
.closing__text strong { font-style: normal; color: var(--color-gold); font-weight: 500; }

/* Footer */
.footer { border-top: 1px solid var(--color-border); padding-block: var(--space-12) var(--space-8); text-align: center; color: var(--color-text-muted); font-size: var(--text-sm); }
.footer__links { display: flex; justify-content: center; gap: var(--space-6); margin-block: var(--space-4) var(--space-6); flex-wrap: wrap; }
.footer__links a:hover { color: var(--color-gold); }

/* Reveal */
.reveal { opacity: 1; }

/* ============================================================
   Page intro
   ============================================================ */
body.is-loading { opacity: 0; }
body.is-ready { opacity: 1; transition: opacity 400ms ease-out; }
body.is-loading .hero__content { opacity: 0; }

/* ============================================================
   Hero — animated gem (CSS-only, rotating hexagon)
   ============================================================ */
@property --gem-angle {
  syntax: '<angle>';
  initial-value: 0deg;
  inherits: false;
}

.hero-gem-wrap {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: min(78vw, 720px);
  height: min(78vw, 720px);
  pointer-events: none;
  z-index: -1;
  opacity: 0.55;
  mix-blend-mode: screen;
}

.hero-gem {
  width: 100%;
  height: 100%;
  filter: drop-shadow(0 0 80px color-mix(in oklab, var(--color-primary) 60%, transparent))
          drop-shadow(0 0 40px color-mix(in oklab, var(--color-gold) 35%, transparent));
}

.hero-gem__shine {
  fill: url(#shine-gradient);
  mix-blend-mode: overlay;
}

/* Grain overlay — adds tactile feel */
.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 999;
  opacity: 0.06;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence baseFrequency='0.9' seed='3'/></filter><rect width='200' height='200' filter='url(%23n)' opacity='0.5'/></svg>");
  mix-blend-mode: overlay;
}

/* ============================================================
   Custom cursor (desktop only)
   ============================================================ */
.cursor-ring {
  position: fixed;
  top: 0; left: 0;
  width: 32px; height: 32px;
  border: 1px solid var(--color-gold);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  mix-blend-mode: difference;
  transition: width 250ms cubic-bezier(0.16, 1, 0.3, 1),
              height 250ms cubic-bezier(0.16, 1, 0.3, 1),
              border-color 250ms ease;
  will-change: transform;
}
.cursor-ring--big { width: 56px; height: 56px; border-color: var(--color-primary-hover); }
@media (hover: none), (prefers-reduced-motion: reduce) { .cursor-ring { display: none; } body, a, button { cursor: auto; } }
@media (hover: hover) and (pointer: fine) { body, a, button { cursor: none; } }

/* ============================================================
   Nav hide on scroll
   ============================================================ */
.nav { transition: background var(--t-int), backdrop-filter var(--t-int), border var(--t-int), transform 400ms cubic-bezier(0.25, 0.46, 0.45, 0.94); }
.nav.is-hidden { transform: translateY(-100%); }

/* ============================================================
   Marquee — scrolling text strip between sections
   ============================================================ */
.marquee {
  overflow: hidden;
  padding-block: var(--space-8);
  border-block: 1px solid var(--color-border);
  background: var(--color-surface);
}
.marquee__inner {
  display: inline-flex;
  white-space: nowrap;
  animation: marquee 40s linear infinite;
  gap: var(--space-12);
  will-change: transform;
}
.marquee.is-paused .marquee__inner { animation-play-state: paused; }
.marquee__item {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 300;
  font-size: clamp(2rem, 6vw, 5rem);
  letter-spacing: -0.02em;
  color: var(--color-text);
  padding-inline: var(--space-12);
}
.marquee__item::before {
  content: '◆';
  color: var(--color-gold);
  margin-right: var(--space-6);
  font-size: 0.4em;
  vertical-align: middle;
}
.marquee__item.is-outline {
  color: transparent;
  -webkit-text-stroke: 1px var(--color-gold);
}
@keyframes marquee {
  to { transform: translateX(-50%); }
}

/* ============================================================
   Section-level scroll-driven blur reveal
   ============================================================ */
@supports (animation-timeline: view()) {
  /* fallback path; main reveal is via JS now */
}

/* ============================================================
   Enhanced hero ctas — premium hover
   ============================================================ */
.btn--primary { position: relative; overflow: hidden; }
.btn--primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 30%, color-mix(in oklab, #fff 25%, transparent) 50%, transparent 70%);
  transform: translateX(-100%);
  transition: transform 0.9s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  pointer-events: none;
}
.btn--primary:hover::before { transform: translateX(100%); }

/* ============================================================
   Path-card — animated border on hover
   ============================================================ */
.path-card { position: relative; isolation: isolate; }
.path-card::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: var(--radius-xl);
  padding: 1px;
  background: conic-gradient(from var(--gem-angle, 0deg),
    transparent 0deg, var(--color-primary) 90deg, var(--color-gold) 180deg, var(--color-primary) 270deg, transparent 360deg);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 400ms ease;
  z-index: -1;
}
.path-card:hover::before {
  opacity: 1;
  animation: spin-border 4s linear infinite;
}
@keyframes spin-border { to { --gem-angle: 360deg; } }

/* ============================================================
   Stone-card overlay reveal
   ============================================================ */
.stone-card { position: relative; isolation: isolate; }
.stone-card__img-wrap { overflow: hidden; aspect-ratio: 4/5; }
.stone-card__img { transition: none; }
.stone-card::after {
  content: 'View →';
  position: absolute;
  bottom: var(--space-4); right: var(--space-4);
  padding: var(--space-2) var(--space-4);
  background: var(--color-primary);
  color: #fff;
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: none;
}
.stone-card:hover::after { opacity: 1; transform: translateY(0); }

/* ============================================================
   Big numeric — gradient text for stat displays
   ============================================================ */
.why-now__stat {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-gold) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

/* ============================================================
   Spacing fix — nav padding for content
   ============================================================ */
html { scroll-padding-top: 80px; }

/* ============================================================
   Reveal — JS-driven now (no more @supports fallback)
   ============================================================ */
.reveal { opacity: 1; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1 !important; transform: none !important; filter: none !important; }
}