/* =========================================================
   CLUB STRATA
   Shared design system
   ---------------------------------------------------------
   Palette, type, layout and motion for all pages.
   Edit here once and every page updates.
   ========================================================= */

/* ---------- 0. Fonts (self-hosted, no third-party requests) ---------- */

@font-face {
  font-family: 'Bricolage Grotesque';
  src: url('fonts/bricolage-latin.woff2') format('woff2-variations');
  font-weight: 200 800;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Inter';
  src: url('fonts/inter-latin.woff2') format('woff2-variations');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

/* ---------- 1. Tokens ---------- */

:root {
  /* Core palette */
  --ink:        #14100E;
  --ink-soft:   #2B2421;
  --paper:      #F6F1E8;
  --paper-warm: #ECE3D4;
  --clay:       #E0532B;
  --cobalt:     #2536CE;
  --acid:       #D8E02B;
  --teal:       #0E514C;

  /* Typography */
  --display: 'Bricolage Grotesque', 'Helvetica Neue', Arial, sans-serif;
  --text:    'Inter', 'Helvetica Neue', Arial, sans-serif;

  /* Fluid type scale */
  --t-hero:  clamp(2.75rem, 9.5vw, 7.5rem);
  --t-h2:    clamp(2rem, 5.2vw, 4rem);
  --t-h3:    clamp(1.35rem, 2.4vw, 1.85rem);
  --t-lead:  clamp(1.1rem, 1.7vw, 1.45rem);
  --t-body:  clamp(1rem, 1.15vw, 1.0625rem);
  --t-small: 0.8125rem;

  /* Rhythm */
  --gutter:  clamp(1.25rem, 5vw, 4.5rem);
  --section: clamp(4.5rem, 11vh, 9rem);
  --maxw:    1280px;

  /* Section-level theming, overridden per stratum */
  --bg:     var(--paper);
  --fg:     var(--ink);
  --muted:  color-mix(in srgb, var(--ink) 62%, transparent);
  --line:   color-mix(in srgb, var(--ink) 16%, transparent);
  --accent: var(--clay);

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* ---------- 2. Reset ---------- */

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

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--text);
  font-size: var(--t-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, svg { max-width: 100%; display: block; }
h1, h2, h3, h4, p, ul, ol, figure, blockquote { margin: 0; }
ul, ol { padding: 0; list-style: none; }
a { color: inherit; }

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
}

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--ink);
  color: var(--paper);
  padding: 0.75rem 1.25rem;
  z-index: 200;
  font-weight: 600;
}
.skip:focus { left: 0; }

/* ---------- 3. Type ---------- */

.hero-title, .h2, .h3, .stat-num, .step-num, .wordmark {
  font-family: var(--display);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 0.92;
}

.hero-title {
  font-size: var(--t-hero);
  text-wrap: balance;
}

.h2 {
  font-size: var(--t-h2);
  line-height: 0.96;
  text-wrap: balance;
}

.h3 {
  font-size: var(--t-h3);
  line-height: 1.1;
  letter-spacing: -0.02em;
  font-weight: 700;
}

.lead {
  font-size: var(--t-lead);
  line-height: 1.48;
  max-width: 34ch;
}

.prose { max-width: 58ch; font-size: 1.0625rem; }
.prose p + p { margin-top: 1.1em; }

.eyebrow {
  font-family: var(--text);
  font-size: var(--t-small);
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 0.7rem;
}
.eyebrow::before {
  content: '';
  width: 2rem;
  height: 3px;
  background: var(--accent);
  flex: none;
}

.muted { color: var(--muted); }

/* ---------- 4. Layout ---------- */

.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.stratum {
  background: var(--bg);
  color: var(--fg);
  padding-block: var(--section);
  position: relative;
}

.stratum--paper { --bg: var(--paper);      --fg: var(--ink);   --accent: var(--clay);   --muted: color-mix(in srgb, var(--ink) 62%, transparent);   --line: color-mix(in srgb, var(--ink) 16%, transparent); }
.stratum--warm  { --bg: var(--paper-warm); --fg: var(--ink);   --accent: var(--cobalt); --muted: color-mix(in srgb, var(--ink) 62%, transparent);   --line: color-mix(in srgb, var(--ink) 18%, transparent); }
.stratum--ink   { --bg: var(--ink);        --fg: var(--paper); --accent: var(--acid);   --muted: color-mix(in srgb, var(--paper) 74%, transparent); --line: color-mix(in srgb, var(--paper) 20%, transparent); }
.stratum--clay  { --bg: var(--clay);       --fg: #FFF6F1;      --accent: var(--ink);    --muted: color-mix(in srgb, #FFF6F1 90%, transparent);      --line: color-mix(in srgb, #FFF6F1 30%, transparent); }
.stratum--cobalt{ --bg: var(--cobalt);     --fg: #F2F3FF;      --accent: var(--acid);   --muted: color-mix(in srgb, #F2F3FF 90%, transparent);      --line: color-mix(in srgb, #F2F3FF 30%, transparent); }
.stratum--teal  { --bg: var(--teal);       --fg: #EDF7F5;      --accent: var(--acid);   --muted: color-mix(in srgb, #EDF7F5 88%, transparent);      --line: color-mix(in srgb, #EDF7F5 28%, transparent); }
.stratum--acid  { --bg: var(--acid);       --fg: var(--ink);   --accent: var(--ink);    --muted: color-mix(in srgb, var(--ink) 68%, transparent);   --line: color-mix(in srgb, var(--ink) 25%, transparent); }

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(2rem, 6vw, 6rem);
  align-items: start;
}

.section-head { margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.section-head .eyebrow { margin-bottom: 1.5rem; }

/* ---------- 5. North Star motif ---------- */

.star-motif {
  width: clamp(84px, 10vw, 140px);
  color: var(--accent);
  margin-top: 2rem;
}
.star-motif svg {
  display: block;
  width: 100%;
  height: auto;
  fill: currentColor;
  opacity: 0;
  transform: rotate(-90deg) scale(0.3);
  transition: transform 1.2s var(--ease), opacity 0.9s var(--ease);
}
.is-in .star-motif svg { opacity: 1; transform: none; }

.star-motif--hero { width: clamp(96px, 13vw, 176px); margin-top: 0; }
.star-motif--hero svg { animation: star-in 1.4s var(--ease) 0.5s forwards; }
@keyframes star-in { to { opacity: 1; transform: none; } }

/* ---------- 6. Navigation ---------- */

.progress {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  width: 100%;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: var(--clay);
  z-index: 120;
}

.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s, background 0.3s;
}
.nav.is-stuck { border-bottom-color: color-mix(in srgb, var(--ink) 14%, transparent); }

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding-block: 1rem;
}

.wordmark {
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
  text-decoration: none;
  text-transform: uppercase;
  font-weight: 800;
  color: var(--ink);
}
.mark { width: 26px; height: 26px; flex: none; }

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2.5vw, 2.25rem);
  font-size: 0.9375rem;
  font-weight: 500;
}
.nav-links a {
  text-decoration: none;
  position: relative;
  padding-block: 0.25rem;
  color: var(--ink);
}
.nav-links a::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 2px;
  background: var(--clay);
  transform: scaleX(0);
  transform-origin: 100% 50%;
  transition: transform 0.35s var(--ease);
}
.nav-links .nav-narrow { display: none; }
.nav-links a:hover::after,
.nav-links a[aria-current='page']::after {
  transform: scaleX(1);
  transform-origin: 0 50%;
}

/* ---------- 7. Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.95rem 1.6rem;
  font-family: var(--text);
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: none;
  border: 2px solid currentColor;
  background: transparent;
  color: inherit;
  cursor: pointer;
  transition: background 0.3s var(--ease), color 0.3s var(--ease), transform 0.3s var(--ease), border-color 0.3s var(--ease);
}
.btn:hover { transform: translateY(-2px); }
.btn .arr { transition: transform 0.35s var(--ease); }
.btn:hover .arr { transform: translateX(4px); }

.btn--solid {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}
.btn--solid:hover {
  background: var(--clay);
  border-color: var(--clay);
  color: #FFF6F1;
}

.stratum--ink .btn--solid,
.stratum--clay .btn--solid,
.stratum--cobalt .btn--solid,
.stratum--teal .btn--solid {
  background: var(--fg);
  color: var(--bg);
  border-color: var(--fg);
}
.stratum--ink .btn--solid:hover,
.stratum--clay .btn--solid:hover,
.stratum--cobalt .btn--solid:hover,
.stratum--teal .btn--solid:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--bg);
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.875rem;
  margin-top: 2.25rem;
}

/* ---------- 8. Hero ---------- */

.hero {
  padding-top: clamp(3rem, 9vh, 7rem);
  padding-bottom: clamp(3rem, 8vh, 6rem);
  min-height: min(88vh, 900px);
  display: flex;
  align-items: center;
}

.hero .eyebrow { margin-bottom: clamp(1.5rem, 3vw, 2.5rem); }

.hero-title .word {
  display: inline-block;
  opacity: 0;
  transform: translateY(0.4em);
  animation: rise 0.85s var(--ease) forwards;
  animation-delay: calc(var(--i) * 70ms + 120ms);
}

@keyframes rise {
  to { opacity: 1; transform: translateY(0); }
}

.hero-foot {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: end;
  margin-top: clamp(2.5rem, 6vw, 4.5rem);
}

/* ---------- 9. Cards ---------- */

.grid {
  display: grid;
  gap: clamp(1.25rem, 2.5vw, 2rem);
}
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.card {
  border: 2px solid var(--line);
  padding: clamp(1.5rem, 3vw, 2.5rem);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  background: transparent;
  transition: border-color 0.35s var(--ease), transform 0.35s var(--ease), background 0.35s var(--ease);
}
.card--link { text-decoration: none; }
.card--link:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
}

.card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.card-meta span {
  border: 1px solid var(--line);
  padding: 0.28rem 0.55rem;
  white-space: nowrap;
}

.card-cta {
  margin-top: auto;
  padding-top: 0.5rem;
  font-weight: 600;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}
.card-cta .arr { transition: transform 0.35s var(--ease); }
.card--link:hover .card-cta .arr { transform: translateX(5px); }

/* Numbered steps */

.step { display: flex; flex-direction: column; gap: 0.875rem; }
.step-num {
  font-size: clamp(2.5rem, 5vw, 3.75rem);
  color: var(--accent);
  line-height: 0.8;
}
.step-rule { height: 3px; background: var(--line); }
.step h3 { font-size: 1.125rem; font-weight: 700; letter-spacing: -0.01em; }

/* Agenda list */

.agenda { border-top: 2px solid var(--line); }
.agenda li {
  border-bottom: 2px solid var(--line);
  padding-block: clamp(1.25rem, 2.5vw, 1.75rem);
  display: grid;
  grid-template-columns: 4.5rem minmax(0, 1fr);
  gap: clamp(1rem, 3vw, 2.5rem);
  align-items: start;
}
.agenda .num {
  font-family: var(--display);
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--accent);
  letter-spacing: -0.03em;
}
.agenda h3 { margin-bottom: 0.4rem; }

/* Tick list */

.ticks li {
  display: grid;
  grid-template-columns: 1.5rem minmax(0, 1fr);
  gap: 0.875rem;
  padding-block: 0.7rem;
  align-items: start;
  border-bottom: 1px solid var(--line);
}
.ticks li::before {
  content: '';
  width: 14px; height: 14px;
  margin-top: 0.45em;
  background: var(--accent);
}

/* Definition rows */

.rows { border-top: 1px solid var(--line); }
.rows > div {
  border-bottom: 1px solid var(--line);
  padding-block: 1.25rem;
  display: grid;
  grid-template-columns: minmax(0, 0.5fr) minmax(0, 1fr);
  gap: clamp(1rem, 3vw, 2rem);
}
.rows dt { font-weight: 700; }
.rows dd { margin: 0; color: var(--muted); }

/* Quote */

.quote { display: flex; flex-direction: column; gap: 1.25rem; }
.quote blockquote {
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(1.15rem, 1.9vw, 1.5rem);
  line-height: 1.25;
  letter-spacing: -0.02em;
}
.quote figcaption { font-size: 0.9375rem; color: var(--muted); }

/* ---------- 10. Marquee ---------- */

.marquee {
  overflow: hidden;
  border-block: 2px solid currentColor;
  padding-block: 0.9rem;
  display: flex;
  user-select: none;
}
.marquee-track {
  display: flex;
  flex: none;
  gap: 2.5rem;
  padding-right: 2.5rem;
  animation: slide 38s linear infinite;
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(1.1rem, 2.4vw, 1.9rem);
  letter-spacing: -0.02em;
  text-transform: uppercase;
  white-space: nowrap;
}
@keyframes slide {
  to { transform: translateX(-50%); }
}
.marquee:hover .marquee-track { animation-play-state: paused; }

/* ---------- 11. Reveal ---------- */

[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
  transition-delay: calc(var(--i, 0) * 85ms);
}
[data-reveal].is-in { opacity: 1; transform: none; }

/* ---------- 12. Footer ---------- */

.footer {
  background: var(--ink);
  color: var(--paper);
  padding-block: clamp(3rem, 7vw, 5rem) 2rem;
  --line: color-mix(in srgb, var(--paper) 20%, transparent);
  --muted: color-mix(in srgb, var(--paper) 72%, transparent);
  --accent: var(--acid);
}
.footer .wordmark { color: var(--paper); }
.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) repeat(2, minmax(0, 1fr));
  gap: clamp(2rem, 5vw, 4rem);
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--line);
}
.footer h4 {
  font-size: var(--t-small);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1.25rem;
  font-weight: 600;
}
.footer li { padding-block: 0.35rem; }
.footer a { text-decoration: none; }
.footer a:hover { color: var(--acid); }
.footer-base {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 2rem;
  font-size: 0.875rem;
  color: var(--muted);
}

/* ---------- 13. Responsive ---------- */

@media (max-width: 980px) {
  .split,
  .hero-foot,
  .grid--3,
  .footer-grid { grid-template-columns: minmax(0, 1fr); }
  .grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .lead { max-width: 52ch; }
}

@media (max-width: 720px) {
  .grid--2, .grid--4 { grid-template-columns: minmax(0, 1fr); }
  .nav-links { gap: 1rem; font-size: 0.875rem; }
  .agenda li { grid-template-columns: minmax(0, 1fr); gap: 0.5rem; }
  .rows > div { grid-template-columns: minmax(0, 1fr); gap: 0.35rem; }
  .hero { min-height: 0; }
  .btn { padding: 0.85rem 1.25rem; }
}

@media (max-width: 560px) {
  .nav-inner { gap: 0.75rem; }
  .wordmark { font-size: 0.875rem; gap: 0.5rem; }
  .mark { width: 22px; height: 22px; }
  .nav-links { gap: 0.8rem; font-size: 0.8125rem; }
}

@media (max-width: 900px) {
  .nav-links .nav-hide { display: none; }
}

@media (max-width: 640px) {
  .nav-links .nav-wide { display: none; }
  .nav-links .nav-narrow { display: inline; }
}

/* ---------- 14. Motion preferences ---------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  [data-reveal] { opacity: 1; transform: none; }
  .hero-title .word { opacity: 1; transform: none; }
  .star-motif svg { opacity: 1; transform: none; animation: none; }
}