/* ============================================================
   LIFE RETREAT — SHARED DESIGN SYSTEM
   Editorial-Cinematic Sacred
   ============================================================ */

:root {
  --bg-primary: #0E1814;
  --bg-deep: #060B09;
  --bg-surface: #1A2620;
  --bg-paper: #F5EDE0;
  --bg-paper-dim: #EDE2D0;
  --bg-paper-deep: #E2D5BE;
  --text-cream: #EFE7D7;
  --text-cream-soft: #C7BFAE;
  --text-cream-dim: #9A9485;
  --text-ink: #1A1818;
  --text-ink-soft: #4A4540;
  --text-ink-dim: #74695C;
  --copper: #B87333;
  --copper-glow: #D6904B;
  --gold: #C49A47;
  --gold-soft: #A88438;
  --crimson: #5C2018;
  --mystic: #3D2C5C;
  --rule: rgba(239, 231, 215, 0.10);
  --rule-strong: rgba(239, 231, 215, 0.22);
  --rule-ink: rgba(26, 24, 24, 0.12);
  --rule-ink-strong: rgba(26, 24, 24, 0.22);

  --display: "Fraunces", "Source Serif Pro", Georgia, serif;
  --body: "Schibsted Grotesk", -apple-system, system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;

  --max-w: 1440px;
  --max-text: 65ch;
  --gutter: clamp(1.25rem, 4vw, 3rem);
}

/* ============================================================
   RESET & BASE
   ============================================================ */

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--body);
  background: var(--bg-primary);
  color: var(--text-cream);
  line-height: 1.55;
  font-feature-settings: "ss01", "ss02";
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }

/* Noise overlay */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 100;
  opacity: 0.035;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.95' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/></svg>");
}

body.paper { background: var(--bg-paper); color: var(--text-ink); }

/* ============================================================
   TYPOGRAPHY
   ============================================================ */

.display {
  font-family: var(--display);
  font-variation-settings: "opsz" 144, "SOFT" 30, "WONK" 0;
  font-weight: 350;
  letter-spacing: -0.02em;
  line-height: 0.95;
}
.display-italic, .display em {
  font-style: italic;
  font-variation-settings: "opsz" 144, "SOFT" 80, "WONK" 1;
}
.eyebrow {
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--copper);
}
.eyebrow-num::before {
  content: attr(data-num);
  display: inline-block;
  margin-right: 0.85em;
  color: var(--text-cream-dim);
}
.paper .eyebrow-num::before { color: var(--text-ink-dim); }

.lede {
  font-family: var(--display);
  font-variation-settings: "opsz" 144, "SOFT" 50;
  font-weight: 350;
  font-size: clamp(1.3rem, 2vw, 1.75rem);
  line-height: 1.35;
  letter-spacing: -0.01em;
  max-width: 32ch;
}

/* ============================================================
   NAV
   ============================================================ */

.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  padding: 1.5rem var(--gutter);
  z-index: 50;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 2rem;
  transition: backdrop-filter 0.4s, background 0.4s;
}
.nav.scrolled {
  background: linear-gradient(to bottom, rgba(14, 24, 20, 0.92), rgba(14, 24, 20, 0.65));
  backdrop-filter: blur(16px) saturate(1.4);
}
body.paper .nav.scrolled {
  background: linear-gradient(to bottom, rgba(245, 237, 224, 0.95), rgba(245, 237, 224, 0.7));
}
.brand {
  font-family: var(--display);
  font-size: 1.05rem;
  letter-spacing: 0.02em;
  font-weight: 400;
  font-variation-settings: "opsz" 60, "SOFT" 30;
  display: inline-flex;
  align-items: baseline;
  gap: 0.55em;
}
.brand-mark {
  width: 1.6em; height: 1.6em;
  border: 1px solid var(--copper);
  border-radius: 50%;
  align-self: center;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.brand-mark::before {
  content: "";
  width: 0.5em; height: 0.5em;
  background: var(--copper);
  border-radius: 50%;
  box-shadow: 0 0 12px var(--copper-glow);
}
.nav-center {
  display: flex;
  gap: 2.5rem;
  font-size: 0.84rem;
  letter-spacing: 0.02em;
  color: var(--text-cream-soft);
}
body.paper .nav-center { color: var(--text-ink-soft); }
.nav-center a {
  transition: color 0.3s;
  position: relative;
  padding-bottom: 0.3rem;
}
.nav-center a:hover, .nav-center a.active {
  color: var(--text-cream);
}
body.paper .nav-center a:hover, body.paper .nav-center a.active {
  color: var(--text-ink);
}
.nav-center a.active::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 1px;
  background: var(--copper);
}
.nav-right {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 1.5rem;
}
.lang-switcher {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  display: flex;
  gap: 0.85em;
  color: var(--text-cream-dim);
}
body.paper .lang-switcher { color: var(--text-ink-dim); }
.lang-switcher .active { color: var(--copper); }
.lang-switcher span { transition: color 0.3s; cursor: pointer; }
.lang-switcher span:hover { color: var(--text-cream); }
body.paper .lang-switcher span:hover { color: var(--text-ink); }

/* ============================================================
   BUTTONS
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  padding: 0.85em 1.4em;
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border: 1px solid var(--copper);
  color: var(--text-cream);
  background: transparent;
  transition: all 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
  position: relative;
  overflow: hidden;
}
body.paper .btn { color: var(--text-ink); }
.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--copper);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
  z-index: -1;
}
.btn:hover { color: var(--bg-deep); border-color: var(--copper-glow); }
.btn:hover::before { transform: scaleX(1); }
.btn-arrow { transition: transform 0.5s; }
.btn:hover .btn-arrow { transform: translateX(4px); }

.btn-ghost { border-color: var(--rule-strong); color: var(--text-cream-soft); }
.btn-ghost::before { background: var(--text-cream); }
.btn-ghost:hover { color: var(--bg-deep); border-color: var(--text-cream); }

body.paper .btn-ghost {
  border-color: var(--rule-ink-strong);
  color: var(--text-ink-soft);
}
body.paper .btn-ghost::before { background: var(--text-ink); }
body.paper .btn-ghost:hover { color: var(--bg-paper); border-color: var(--text-ink); }

.btn-large {
  padding: 1.1em 1.8em;
  font-size: 0.8rem;
  letter-spacing: 0.18em;
}

/* ============================================================
   SECTIONS
   ============================================================ */

section {
  padding: clamp(5rem, 10vw, 9rem) var(--gutter);
  position: relative;
}
.section-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}
.section-head {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 3rem;
  margin-bottom: 5rem;
  align-items: end;
}
.section-title {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  max-width: 14ch;
}

/* ============================================================
   PAGE HEADER (HERO for sub-pages)
   ============================================================ */

.page-header {
  padding: clamp(8rem, 14vw, 12rem) var(--gutter) clamp(4rem, 8vw, 7rem);
  border-bottom: 1px solid var(--rule);
  position: relative;
  overflow: hidden;
}
body.paper .page-header { border-bottom-color: var(--rule-ink); }
.page-header-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 4rem;
  align-items: end;
}
.page-header-meta {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.page-headline {
  font-size: clamp(2.5rem, 6vw, 5.5rem);
  letter-spacing: -0.02em;
  line-height: 0.96;
  max-width: 18ch;
}

/* ============================================================
   FOOTER
   ============================================================ */

.footer {
  background: var(--bg-primary);
  padding: 5rem var(--gutter) 2rem;
  border-top: 1px solid var(--rule);
  color: var(--text-cream);
}
.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}
.footer-top {
  display: grid;
  grid-template-columns: 2fr 3fr;
  gap: 4rem;
  padding-bottom: 4rem;
  border-bottom: 1px solid var(--rule);
}
.footer-brand-block {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.footer-brand {
  font-family: var(--display);
  font-size: clamp(2rem, 3.5vw, 3.2rem);
  font-variation-settings: "opsz" 144, "SOFT" 30;
  font-weight: 350;
  letter-spacing: -0.02em;
  line-height: 1;
}
.footer-brand em {
  font-style: italic;
  font-variation-settings: "opsz" 144, "SOFT" 80, "WONK" 1;
  color: var(--copper-glow);
}
.footer-tagline {
  color: var(--text-cream-soft);
  max-width: 38ch;
  font-size: 0.95rem;
}
.footer-langs {
  display: flex;
  gap: 2rem;
  font-family: var(--display);
  font-size: 1.4rem;
  font-weight: 350;
  font-variation-settings: "opsz" 60, "SOFT" 30;
}
.footer-langs a {
  color: var(--text-cream-dim);
  transition: color 0.3s;
}
.footer-langs a:hover, .footer-langs a.active { color: var(--copper); }
.footer-langs a.active::before {
  content: "→ ";
  color: var(--copper);
}
.footer-cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
.footer-col-title {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-cream-dim);
  margin-bottom: 1.2rem;
}
.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}
.footer-col a {
  font-size: 0.95rem;
  color: var(--text-cream-soft);
  transition: color 0.3s, padding-left 0.3s;
  display: inline-block;
}
.footer-col a:hover {
  color: var(--copper-glow);
  padding-left: 0.4rem;
}
.footer-bottom {
  margin-top: 2rem;
  padding-top: 2rem;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2rem;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--text-cream-dim);
  text-transform: uppercase;
  align-items: center;
}
.footer-coords {
  display: flex;
  gap: 2rem;
}

/* ============================================================
   REVEAL ON SCROLL
   ============================================================ */

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 1s cubic-bezier(0.2, 0.8, 0.2, 1), transform 1s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.reveal.in {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   ANIMATIONS
   ============================================================ */

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(28px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0.4; transform: scaleY(0.6); }
  50% { opacity: 1; transform: scaleY(1); }
}
@keyframes scroll {
  to { transform: translateX(-50%); }
}

/* ============================================================
   UTILITIES
   ============================================================ */

.divider {
  height: 1px;
  background: var(--rule);
  margin: 5rem 0;
}
body.paper .divider { background: var(--rule-ink); }

.center { text-align: center; }
.copper { color: var(--copper); }
.cream { color: var(--text-cream); }
.ink { color: var(--text-ink); }

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 920px) {
  .nav-center { display: none; }
  .nav { grid-template-columns: 1fr auto; }
  .section-head { grid-template-columns: 1fr; gap: 1.5rem; }
  .page-header-inner { grid-template-columns: 1fr; gap: 2.5rem; }
  .footer-top { grid-template-columns: 1fr; }
  .footer-cols { grid-template-columns: repeat(2, 1fr); }
  .footer-bottom { grid-template-columns: 1fr; }
  .footer-coords { flex-direction: column; gap: 0.5rem; }
}