/* Collegium of Minds — shared styles */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=IBM+Plex+Sans:wght@400;500;600&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

:root {
  --paper: #F7F6F3;
  --paper-raised: #FFFFFF;
  --ink: #16181C;
  --ink-soft: #52565F;
  --ink-faint: #82848C;
  --rule: #DBD8D0;
  --rule-strong: #C7C3B8;
  --navy: #26344B;
  --navy-soft: #3C4E6B;
  --brass: #A9823C;
  --brass-soft: #C9A46A;
  --max: 880px;

  --font-display: 'Space Grotesk', 'Helvetica Neue', Arial, sans-serif;
  --font-body: 'IBM Plex Sans', 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'IBM Plex Mono', 'Courier New', monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

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

/* Focus visibility */
a:focus-visible, button:focus-visible, input:focus-visible, summary:focus-visible {
  outline: 2px solid var(--navy);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

/* ---------- Layout shell ---------- */

.shell {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 32px;
}

.wrap-narrow {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 32px;
}

/* ---------- Header / Nav ---------- */

.site-header {
  border-bottom: 1px solid var(--rule);
  background: var(--paper);
  position: sticky;
  top: 0;
  z-index: 40;
}

.site-header .shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 10px;
  text-decoration: none;
  color: var(--ink);
}

.brand-mark {
  width: 30px;
  height: 30px;
  flex: none;
}

.brand-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 19px;
  letter-spacing: -0.01em;
}

.brand-sub {
  display: none;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 2px;
}

.main-nav a {
  text-decoration: none;
  font-size: 15px;
  color: var(--ink-soft);
  padding: 9px 14px;
  border-radius: 3px;
  transition: color 0.15s ease, background 0.15s ease;
}

.main-nav a:hover { color: var(--ink); background: rgba(38,52,75,0.06); }

.main-nav a.active {
  color: var(--navy);
  font-weight: 500;
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--rule-strong);
  border-radius: 4px;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.nav-toggle svg { width: 18px; height: 18px; }

@media (max-width: 760px) {
  .main-nav {
    display: none;
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--rule);
    flex-direction: column;
    align-items: stretch;
    padding: 8px 16px 18px;
  }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 12px 8px; border-bottom: 1px solid var(--rule); }
  .nav-toggle { display: flex; }
}

/* ---------- Hero ---------- */

.hero {
  padding: 76px 0 64px;
  border-bottom: 1px solid var(--rule);
}

.hero-kicker {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--brass);
  margin: 0 0 18px;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 4.2vw, 3.4rem);
  line-height: 1.08;
  letter-spacing: -0.015em;
  margin: 0 0 24px;
  max-width: 15ch;
}

.hero p.lede {
  font-size: 19px;
  color: var(--ink-soft);
  max-width: 56ch;
  margin: 0 0 34px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
  padding: 12px 22px;
  border-radius: 3px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.btn-primary {
  background: var(--navy);
  color: var(--paper);
}
.btn-primary:hover { background: var(--navy-soft); }

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--rule-strong);
}
.btn-ghost:hover { border-color: var(--ink); }

/* ---------- Section scaffolding ---------- */

section.block {
  padding: 60px 0;
  border-bottom: 1px solid var(--rule);
}

section.block:last-of-type { border-bottom: none; }

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 24px;
  margin-bottom: 34px;
  flex-wrap: wrap;
}

.section-head h2 {
  font-family: var(--font-display);
  font-size: 1.7rem;
  margin: 0;
  letter-spacing: -0.01em;
}

.section-head .see-all {
  font-size: 14px;
  color: var(--navy);
  text-decoration: none;
  white-space: nowrap;
  border-bottom: 1px solid var(--navy-soft);
  padding-bottom: 1px;
}

p.section-intro {
  color: var(--ink-soft);
  max-width: 62ch;
  margin: -18px 0 34px;
}

/* ---------- How it works ---------- */

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border: 1px solid var(--rule);
}

.step {
  padding: 28px 26px;
  border-right: 1px solid var(--rule);
}
.step:last-child { border-right: none; }

.step-index {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--brass);
  margin-bottom: 14px;
}

.step h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  margin: 0 0 8px;
}

.step p {
  color: var(--ink-soft);
  font-size: 15px;
  margin: 0;
}

@media (max-width: 760px) {
  .steps { grid-template-columns: 1fr; }
  .step { border-right: none; border-bottom: 1px solid var(--rule); }
  .step:last-child { border-bottom: none; }
}

/* ---------- Current prompt callout ---------- */

.prompt-card {
  border: 1px solid var(--rule);
  background: var(--paper-raised);
  padding: 36px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: center;
}

.prompt-tag {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--navy);
  border: 1px solid var(--navy);
  display: inline-block;
  padding: 3px 9px;
  border-radius: 2px;
  margin-bottom: 16px;
}

.prompt-card h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  margin: 0 0 10px;
  max-width: 30ch;
}

.prompt-meta {
  color: var(--ink-faint);
  font-size: 14px;
  margin: 0;
}

@media (max-width: 640px) {
  .prompt-card { grid-template-columns: 1fr; }
}

/* ---------- Leaderboard table (shared) ---------- */

.board-table {
  width: 100%;
  border-collapse: collapse;
}

.board-table th {
  text-align: left;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 13px;
  color: var(--ink-faint);
  border-bottom: 1px solid var(--rule-strong);
  padding: 0 12px 12px;
}

.board-table td {
  padding: 16px 12px;
  border-bottom: 1px solid var(--rule);
  font-size: 15px;
  vertical-align: middle;
}

.board-table tr:last-child td { border-bottom: none; }

.rank-cell {
  font-family: var(--font-mono);
  color: var(--ink-faint);
  width: 44px;
}

.rank-cell.top { color: var(--brass); font-weight: 600; }

.points-cell {
  font-family: var(--font-mono);
  text-align: right;
  font-weight: 500;
  color: var(--ink);
}

th.th-right { text-align: right; }

.member-name { font-weight: 500; }
.member-badge {
  display: inline-block;
  margin-left: 8px;
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--brass);
  border: 1px solid var(--brass-soft);
  padding: 1px 6px;
  border-radius: 2px;
  vertical-align: middle;
}

/* ---------- Footer ---------- */

.site-footer {
  border-top: 1px solid var(--rule);
  padding: 44px 0 60px;
  margin-top: 20px;
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}

.footer-brand {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 16px;
  margin: 0 0 8px;
}

.footer-tag {
  color: var(--ink-faint);
  font-size: 14px;
  max-width: 34ch;
  margin: 0;
}

.footer-cols {
  display: flex;
  gap: 56px;
}

.footer-col h4 {
  font-size: 13px;
  color: var(--ink-faint);
  margin: 0 0 12px;
  font-weight: 500;
}

.footer-col a {
  display: block;
  text-decoration: none;
  color: var(--ink-soft);
  font-size: 14px;
  margin-bottom: 9px;
}
.footer-col a:hover { color: var(--ink); }

.footer-bottom {
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid var(--rule);
  font-size: 13px;
  color: var(--ink-faint);
}

@media (max-width: 640px) {
  .footer-cols { gap: 32px; }
}

/* ---------- Generic page header (for inner pages) ---------- */

.page-header {
  padding: 56px 0 40px;
  border-bottom: 1px solid var(--rule);
}

.page-header .hero-kicker { margin-bottom: 14px; }

.page-header h1 {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 3.6vw, 2.7rem);
  letter-spacing: -0.01em;
  margin: 0 0 16px;
}

.page-header p {
  color: var(--ink-soft);
  max-width: 60ch;
  font-size: 17px;
  margin: 0;
}

/* ---------- Questions page ---------- */

.prompt-list { border: 1px solid var(--rule); }

.prompt-row {
  display: grid;
  grid-template-columns: 120px 1fr 140px;
  gap: 20px;
  padding: 26px 26px;
  border-bottom: 1px solid var(--rule);
  align-items: start;
}
.prompt-row:last-child { border-bottom: none; }

.prompt-row.open { background: var(--paper-raised); }

.prompt-status {
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 3px 8px;
  border-radius: 2px;
  height: fit-content;
  white-space: nowrap;
}
.prompt-status.is-open { color: var(--navy); border: 1px solid var(--navy); }
.prompt-status.is-closed { color: var(--ink-faint); border: 1px solid var(--rule-strong); }

.prompt-row h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  margin: 0 0 8px;
}

.prompt-row .discipline {
  font-size: 13px;
  color: var(--brass);
  font-family: var(--font-mono);
  margin: 0 0 8px;
}

.prompt-row p {
  color: var(--ink-soft);
  font-size: 14.5px;
  margin: 0;
}

.prompt-row .deadline {
  text-align: right;
  font-size: 13px;
  color: var(--ink-faint);
}

.prompt-row .deadline strong {
  display: block;
  color: var(--ink);
  font-weight: 500;
  font-size: 14px;
}

@media (max-width: 700px) {
  .prompt-row { grid-template-columns: 1fr; }
  .prompt-row .deadline { text-align: left; }
}

/* ---------- FAQ ---------- */

.faq-list { border-top: 1px solid var(--rule); }

.faq-item { border-bottom: 1px solid var(--rule); }

.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 22px 4px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  font-family: var(--font-display);
  font-size: 1.05rem;
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-icon {
  flex: none;
  width: 20px;
  height: 20px;
  position: relative;
}
.faq-icon::before, .faq-icon::after {
  content: '';
  position: absolute;
  background: var(--ink);
  transition: transform 0.2s ease;
}
.faq-icon::before { width: 14px; height: 1.5px; top: 9px; left: 3px; }
.faq-icon::after { width: 1.5px; height: 14px; top: 3px; left: 9px; }

.faq-item[open] .faq-icon::after { transform: rotate(90deg); opacity: 0; }

.faq-answer {
  padding: 0 4px 24px;
  color: var(--ink-soft);
  max-width: 68ch;
  font-size: 15px;
}

/* ---------- Newsletter ---------- */

.newsletter-card {
  border: 1px solid var(--rule);
  background: var(--paper-raised);
  padding: 44px;
  max-width: 640px;
  margin: 0 auto;
}

.form-row { margin-bottom: 18px; }

.form-row label {
  display: block;
  font-size: 13px;
  color: var(--ink-faint);
  margin-bottom: 7px;
}

.form-row input[type="text"],
.form-row input[type="email"] {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--rule-strong);
  border-radius: 3px;
  font-family: var(--font-body);
  font-size: 15px;
  background: var(--paper);
  color: var(--ink);
}

.form-row input:focus { border-color: var(--navy); outline: none; }

.checkbox-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 24px;
}
.checkbox-row input { margin-top: 3px; }
.checkbox-row label { font-size: 13.5px; color: var(--ink-soft); }

.newsletter-note {
  font-size: 13px;
  color: var(--ink-faint);
  margin-top: 16px;
}

.form-success {
  display: none;
  border: 1px solid var(--navy);
  background: var(--paper-raised);
  padding: 30px;
  text-align: left;
}
.form-success h3 {
  font-family: var(--font-display);
  margin: 0 0 8px;
  font-size: 1.2rem;
}
.form-success p { color: var(--ink-soft); margin: 0; font-size: 15px; }

/* ---------- Socials ---------- */

.social-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}

.social-card {
  background: var(--paper-raised);
  padding: 36px;
  text-decoration: none;
  color: var(--ink);
  display: flex;
  flex-direction: column;
  gap: 18px;
  transition: background 0.15s ease;
}

.social-card:hover { background: var(--paper); }

.social-icon {
  width: 34px;
  height: 34px;
}

.social-card h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin: 0;
}

.social-card p {
  color: var(--ink-soft);
  font-size: 14.5px;
  margin: 0;
  flex-grow: 1;
}

.social-handle {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--navy);
}

@media (max-width: 640px) {
  .social-grid { grid-template-columns: 1fr; }
}

/* ---------- Small utilities ---------- */

.mt-0 { margin-top: 0; }
.center-page-section { padding: 64px 0; }