/* ============================================================
   InkFirst learn pages
   Static, crawlable answer pages for search and AI discovery.
   ============================================================ */

:root {
  --paper: #faf6ec;
  --paper-rim: #f3ecdb;
  --ink: #0e1722;
  --ink-soft: #3a3530;
  --ink-quiet: #6b655c;
  --brand: #4173b3;
  --brand-deep: #2c548a;
  --gold: #c2aa6b;
  --rule: #d8d0bf;
  --rule-soft: #e8e1d0;
  --max: 1120px;
  --measure: 720px;
  --display: "Fraunces", "Iowan Old Style", "Apple Garamond", Georgia, serif;
  --body: "Hanken Grotesk", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
}

* {
  box-sizing: border-box;
}

body.learn-page {
  margin: 0;
  color: var(--ink-soft);
  background: var(--paper);
  font-family: var(--body);
  font-size: 18px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.learn-page a {
  color: var(--brand);
  text-decoration: none;
}

.learn-page a:hover {
  color: var(--brand-deep);
}

.learn-container {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 48px);
}

.learn-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  background: color-mix(in oklab, var(--paper) 86%, transparent);
  backdrop-filter: blur(12px) saturate(130%);
  -webkit-backdrop-filter: blur(12px) saturate(130%);
  border-bottom: 1px solid var(--rule);
}

.learn-nav-row {
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.learn-wordmark {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--ink);
  font-family: var(--display);
  font-size: 22px;
  font-variation-settings: "opsz" 32, "SOFT" 60, "wght" 600;
  letter-spacing: -0.015em;
}

.learn-wordmark::after {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: var(--brand);
  transform: translateY(3px);
}

.learn-nav-links {
  display: flex;
  align-items: center;
  gap: clamp(14px, 3vw, 28px);
  margin: 0;
  padding: 0;
  list-style: none;
}

.learn-nav-links a {
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.learn-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 8px 14px;
  border: 1px solid var(--rule);
  border-radius: 999px;
  background: var(--paper);
  color: var(--ink-soft);
  white-space: nowrap;
}

.learn-hero {
  padding: clamp(64px, 9vw, 116px) 0 clamp(48px, 7vw, 88px);
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--ink-quiet);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.learn-title,
.article-title {
  max-width: 860px;
  margin: 0;
  color: var(--ink);
  font-family: var(--display);
  font-size: clamp(42px, 7vw, 86px);
  line-height: 1;
  font-variation-settings: "opsz" 120, "SOFT" 90, "wght" 500;
}

.learn-deck,
.article-deck {
  max-width: var(--measure);
  margin: 24px 0 0;
  color: var(--ink);
  font-size: clamp(19px, 2vw, 23px);
  line-height: 1.5;
}

.answer-strip {
  border-block: 1px solid var(--rule);
  background: var(--paper-rim);
  padding: clamp(32px, 5vw, 56px) 0;
}

.answer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 820px) {
  .answer-grid {
    grid-template-columns: 0.9fr 1.1fr;
  }
}

.answer-copy {
  max-width: var(--measure);
}

.answer-copy h2,
.article-content h2,
.guide-card h2 {
  margin: 0 0 12px;
  color: var(--ink);
  font-family: var(--display);
  font-size: clamp(28px, 3.4vw, 44px);
  line-height: 1.12;
  font-variation-settings: "opsz" 64, "SOFT" 70, "wght" 560;
}

.answer-copy p,
.article-content p {
  margin: 0 0 18px;
}

.answer-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.answer-list li {
  padding-left: 18px;
  border-left: 2px solid var(--gold);
}

.guide-section {
  padding: clamp(56px, 9vw, 104px) 0;
}

.guide-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-top: 28px;
}

@media (min-width: 760px) {
  .guide-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.guide-card {
  display: flex;
  min-height: 260px;
  flex-direction: column;
  justify-content: space-between;
  gap: 24px;
  padding: clamp(24px, 4vw, 36px);
  border: 1px solid var(--rule);
  border-radius: 4px;
  background: var(--paper);
}

.guide-card h2 {
  font-size: clamp(24px, 3vw, 34px);
}

.guide-card p {
  margin: 0;
}

.guide-card .tag,
.article-meta {
  color: var(--ink-quiet);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.article-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  padding: clamp(48px, 8vw, 96px) 0;
}

@media (min-width: 940px) {
  .article-layout {
    grid-template-columns: minmax(0, 1fr) 280px;
    align-items: start;
  }
}

.article-content {
  max-width: var(--measure);
}

.article-content h2 {
  margin-top: 44px;
}

.article-content h3 {
  margin: 30px 0 10px;
  color: var(--ink);
  font-size: 22px;
  line-height: 1.25;
}

.article-content ul,
.article-content ol {
  padding-left: 24px;
  margin: 0 0 22px;
}

.article-content li {
  margin: 8px 0;
}

.quick-answer {
  margin: 32px 0 38px;
  padding: 24px;
  border: 1px solid var(--rule);
  border-left: 4px solid var(--brand);
  border-radius: 4px;
  background: var(--paper-rim);
}

.quick-answer strong {
  color: var(--ink);
}

.article-aside {
  border-top: 2px solid var(--gold);
  padding-top: 18px;
  color: var(--ink-quiet);
  font-size: 15px;
}

@media (min-width: 940px) {
  .article-aside {
    position: sticky;
    top: 92px;
  }
}

.article-aside h2 {
  margin: 0 0 12px;
  color: var(--ink);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.article-aside ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.cta-band {
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  background: var(--paper-rim);
  padding: clamp(44px, 7vw, 72px) 0;
}

.cta-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  align-items: center;
}

@media (min-width: 760px) {
  .cta-row {
    grid-template-columns: 1fr auto;
  }
}

.cta-row h2 {
  margin: 0 0 8px;
  color: var(--ink);
  font-family: var(--display);
  font-size: clamp(28px, 4vw, 48px);
  line-height: 1.1;
}

.cta-row p {
  margin: 0;
  max-width: 660px;
}

.primary-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 18px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  white-space: nowrap;
}

.primary-cta:hover {
  color: var(--paper);
  background: var(--brand-deep);
  border-color: var(--brand-deep);
}

.secondary-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 18px;
  border: 1px solid var(--rule);
  border-radius: 999px;
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  white-space: nowrap;
}

.secondary-cta:hover {
  color: var(--brand-deep);
  border-color: var(--brand);
}

/* ------------------------------------------------------------
   Challenge page
   ------------------------------------------------------------ */
.challenge-hero {
  padding-bottom: clamp(56px, 8vw, 104px);
}

.challenge-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(32px, 6vw, 72px);
  align-items: end;
}

@media (min-width: 900px) {
  .challenge-hero-grid {
    grid-template-columns: minmax(0, 1fr) 360px;
  }
}

.challenge-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.challenge-fineprint {
  margin: 16px 0 0;
  color: var(--ink-quiet);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.challenge-card {
  padding: clamp(24px, 4vw, 36px);
  border: 1px solid var(--rule);
  border-left: 4px solid var(--gold);
  border-radius: 4px;
  background: var(--paper-rim);
}

.challenge-card-image {
  width: min(100%, 240px);
  max-height: 260px;
  object-fit: contain;
  margin: 0 auto 24px;
}

.challenge-card h2 {
  margin: 0 0 12px;
  color: var(--ink);
  font-family: var(--display);
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.08;
  font-variation-settings: "opsz" 72, "SOFT" 80, "wght" 560;
}

.challenge-card p {
  margin: 0;
}

.challenge-days {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 28px;
}

@media (min-width: 720px) {
  .challenge-days {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1040px) {
  .challenge-days {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.day-card {
  min-height: 230px;
  padding: clamp(22px, 3vw, 30px);
  border: 1px solid var(--rule);
  border-radius: 4px;
  background: var(--paper);
}

.day-card-wide {
  background: var(--paper-rim);
}

@media (min-width: 1040px) {
  .day-card-wide {
    grid-column: span 3;
    min-height: 0;
  }
}

.day-card span,
.hook-list li::marker {
  color: var(--gold);
}

.day-card span {
  display: block;
  margin-bottom: 18px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.day-card h3 {
  margin: 0 0 12px;
  color: var(--ink);
  font-family: var(--display);
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.12;
  font-variation-settings: "opsz" 48, "SOFT" 60, "wght" 560;
}

.day-card p {
  margin: 0;
}

.challenge-split-section {
  padding: clamp(56px, 9vw, 104px) 0;
  border-top: 1px solid var(--rule);
}

.challenge-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

@media (min-width: 860px) {
  .challenge-split {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.capture-panel {
  padding: clamp(28px, 5vw, 44px);
  border: 1px solid var(--rule);
  border-radius: 4px;
  background: var(--paper);
}

.capture-panel-soft {
  background: var(--paper-rim);
}

.capture-panel h2 {
  margin: 0 0 12px;
  color: var(--ink);
  font-family: var(--display);
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.08;
  font-variation-settings: "opsz" 72, "SOFT" 80, "wght" 560;
}

.capture-panel p {
  margin: 0;
}

.hook-list {
  margin: 22px 0 0;
  padding-left: 22px;
}

.hook-list li {
  margin: 12px 0;
}

.learn-footer {
  padding: 36px 0;
  color: var(--ink-quiet);
  font-size: 14px;
}

.learn-footer-row {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

@media (min-width: 720px) {
  .learn-footer-row {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.learn-footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.learn-footer-links a {
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

@media (max-width: 640px) {
  .learn-nav-links li:first-child {
    display: none;
  }

  .learn-pill {
    padding-inline: 10px;
  }
}