/* ============================================================
   SUNNYRAY — DESIGN SYSTEM
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Instrument+Serif:ital@0;1&family=IBM+Plex+Mono:ital,wght@0,300;0,400;0,500;1,400&family=Inter+Tight:wght@300;400;500;600;700&display=swap');

:root {
  /* palette — default "aubergine" */
  --ink: oklch(0.14 0.03 300);
  --ink-2: oklch(0.20 0.04 300);
  --ink-3: oklch(0.28 0.05 300);
  --paper: oklch(0.96 0.012 85);
  --paper-2: oklch(0.92 0.015 85);
  --paper-3: oklch(0.88 0.02 85);
  --bone: oklch(0.82 0.03 80);
  --sun: oklch(0.82 0.17 75);
  --sun-deep: oklch(0.68 0.19 55);
  --violet: oklch(0.62 0.22 295);
  --line: color-mix(in oklch, var(--ink) 14%, transparent);
  --line-strong: color-mix(in oklch, var(--ink) 28%, transparent);

  /* typography */
  --serif: 'Instrument Serif', 'Times New Roman', serif;
  --sans: 'Inter Tight', -apple-system, BlinkMacSystemFont, sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, Menlo, monospace;

  /* scale */
  --s-1: 0.75rem;
  --s0: 0.875rem;
  --s1: 1rem;
  --s2: 1.25rem;
  --s3: 1.5rem;
  --s4: 2rem;
  --s5: 2.75rem;
  --s6: 3.75rem;
  --s7: 5.5rem;
  --s8: 8rem;
  --s9: 12rem;

  /* layout */
  --gutter: clamp(20px, 3vw, 40px);
  --max: 1440px;
  --radius: 2px;
}

[data-theme="noir"] {
  --ink: oklch(0.10 0.005 280);
  --ink-2: oklch(0.15 0.01 280);
  --ink-3: oklch(0.22 0.01 280);
  --paper: oklch(0.96 0.003 280);
  --paper-2: oklch(0.92 0.005 280);
  --paper-3: oklch(0.86 0.008 280);
  --sun: oklch(0.85 0.16 75);
  --violet: oklch(0.55 0.20 290);
}

[data-theme="solar"] {
  --ink: oklch(0.16 0.04 50);
  --ink-2: oklch(0.22 0.05 50);
  --ink-3: oklch(0.30 0.06 50);
  --paper: oklch(0.96 0.025 80);
  --paper-2: oklch(0.92 0.035 78);
  --paper-3: oklch(0.86 0.04 75);
  --sun: oklch(0.78 0.19 60);
  --violet: oklch(0.60 0.20 20);
}

[data-theme="verdant"] {
  --ink: oklch(0.16 0.04 160);
  --ink-2: oklch(0.22 0.05 160);
  --ink-3: oklch(0.30 0.05 158);
  --paper: oklch(0.96 0.015 120);
  --paper-2: oklch(0.92 0.02 120);
  --paper-3: oklch(0.86 0.025 120);
  --sun: oklch(0.82 0.16 90);
  --violet: oklch(0.60 0.16 180);
}

/* ===== Dark mode — inverts paper/ink while keeping sun + violet accents ===== */
[data-mode="dark"] {
  --ink: oklch(0.96 0.012 85);
  --ink-2: oklch(0.88 0.02 85);
  --ink-3: oklch(0.72 0.03 80);
  --paper: oklch(0.14 0.03 300);
  --paper-2: oklch(0.18 0.035 300);
  --paper-3: oklch(0.22 0.04 300);
}
[data-theme="noir"][data-mode="dark"] {
  --paper: oklch(0.10 0.005 280);
  --paper-2: oklch(0.14 0.008 280);
  --paper-3: oklch(0.18 0.01 280);
}
[data-theme="solar"][data-mode="dark"] {
  --paper: oklch(0.16 0.04 50);
  --paper-2: oklch(0.20 0.045 50);
  --paper-3: oklch(0.24 0.05 50);
}
[data-theme="verdant"][data-mode="dark"] {
  --paper: oklch(0.16 0.04 160);
  --paper-2: oklch(0.20 0.045 160);
  --paper-3: oklch(0.24 0.05 160);
}

[data-mode="dark"] .grain {
  mix-blend-mode: screen;
  opacity: 0.18;
}

.mode-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  font-size: 14px;
  line-height: 1;
  padding: 0;
  transition: background .2s, color .2s, border-color .2s, transform .2s;
}
.mode-toggle:hover {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
  transform: translateY(-1px);
}
.mode-toggle .mode-icon-sun { display: none; }
[data-mode="dark"] .mode-toggle .mode-icon-sun { display: inline; }
[data-mode="dark"] .mode-toggle .mode-icon-moon { display: none; }

* { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
}

/* Offset anchor targets so they aren't hidden under the fixed nav */
section[id], [id^="hero"] {
  scroll-margin-top: 84px;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

html, body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

body {
  font-feature-settings: 'ss01', 'cv11';
}

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

a { color: inherit; text-decoration: none; }

img, svg { display: block; max-width: 100%; }

/* === Typography primitives === */

.mono, .mono-sm, .mono-xs, .label {
  font-family: var(--mono);
  font-weight: 400;
  font-feature-settings: 'ss01';
  letter-spacing: 0.02em;
}

.label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--ink-3);
}

.serif { font-family: var(--serif); font-weight: 400; }
.serif-italic { font-family: var(--serif); font-style: italic; font-weight: 400; }

h1, h2, h3, h4 { font-family: var(--serif); font-weight: 400; letter-spacing: -0.02em; line-height: 1; }

.display {
  font-family: var(--serif);
  font-size: clamp(3rem, 10vw, 9rem);
  line-height: 0.92;
  letter-spacing: -0.035em;
}

.display em { font-style: italic; color: var(--ink-3); }

.headline {
  font-family: var(--serif);
  font-size: clamp(2rem, 5vw, 4rem);
  line-height: 0.98;
  letter-spacing: -0.025em;
}

.kicker {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--ink-3);
}

/* === Layout primitives === */

.wrap {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.section {
  padding-top: clamp(60px, 10vw, 160px);
  padding-bottom: clamp(60px, 10vw, 160px);
  position: relative;
}

.hairline { border-top: 1px solid var(--line); }

/* === Buttons === */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 14px 22px;
  font-family: var(--mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  border-radius: 999px;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--paper);
  cursor: pointer;
  transition: transform .2s ease, background .2s ease, color .2s ease;
  white-space: nowrap;
}
.btn:hover { background: var(--sun); color: var(--ink); border-color: var(--sun); transform: translateY(-1px); }

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line-strong);
}
.btn-ghost:hover { background: var(--ink); color: var(--paper); }

.btn .arrow {
  display: inline-block;
  transition: transform .2s ease;
}
.btn:hover .arrow { transform: translateX(3px); }

/* === Utilities === */

.eyebrow-row {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--ink-3);
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
}

.eyebrow-row .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--sun);
  box-shadow: 0 0 0 4px color-mix(in oklch, var(--sun) 25%, transparent);
  animation: pulse 2.2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  opacity: 0.35;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='180' height='180'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.08 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}

/* marquee */
.marquee {
  overflow: hidden;
  width: 100%;
  position: relative;
  -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: flex;
  gap: 60px;
  width: max-content;
  animation: scroll 40s linear infinite;
}
@keyframes scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .9s ease, transform .9s ease;
  transition-delay: var(--d, 0s);
}
.reveal.in { opacity: 1; transform: none; }

/* section number */
.section-num {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--ink-3);
}
.section-num::before {
  content: "";
  width: 40px; height: 1px;
  background: var(--ink-3);
  display: inline-block;
  transform: translateY(-3px);
}

/* card */
.card {
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px;
  transition: transform .3s ease, background .3s ease, border-color .3s ease;
  position: relative;
}
.card:hover {
  transform: translateY(-2px);
  border-color: var(--line-strong);
  background: var(--paper);
}

/* ticker stats */
.count {
  font-variant-numeric: tabular-nums;
  font-feature-settings: 'tnum';
}