@import url("https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700&family=Noto+Serif+SC:wght@400;500;600;700&display=swap");

:root {
  --bg: #f3ede2;
  --paper: rgba(255, 251, 244, 0.9);
  --paper-strong: #fffdf8;
  --ink: #1f1a15;
  --muted: #62574a;
  --line: rgba(95, 70, 44, 0.18);
  --accent: #8f2d14;
  --accent-soft: rgba(143, 45, 20, 0.1);
  --gold: #b68432;
  --sage: #46615a;
  --shadow: 0 20px 60px rgba(78, 51, 28, 0.1);
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: "Noto Serif SC", "Source Han Serif SC", serif;
  background:
    radial-gradient(circle at top left, rgba(182, 132, 50, 0.12), transparent 36%),
    radial-gradient(circle at 85% 10%, rgba(70, 97, 90, 0.14), transparent 30%),
    linear-gradient(180deg, #fbf6ed 0%, #f3ede2 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(rgba(142, 103, 56, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(142, 103, 56, 0.04) 1px, transparent 1px);
  background-size: 26px 26px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.28), transparent 82%);
}

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

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(18px);
  background: rgba(249, 242, 230, 0.82);
  border-bottom: 1px solid var(--line);
}

.topbar-inner {
  width: min(1240px, calc(100% - 32px));
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  padding: 16px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand h1,
.hero-copy h2,
.section-head h2,
.panel-card h3 {
  margin: 0;
}

.brand-mark {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--accent), #5d190c);
  color: #fff9f2;
  font-size: 1.45rem;
  font-weight: 700;
  box-shadow: var(--shadow);
}

.topnav {
  display: flex;
  gap: 18px;
  font-family: "Manrope", sans-serif;
  font-size: 0.95rem;
  color: var(--muted);
}

.topnav a:hover {
  color: var(--accent);
}

.shell {
  width: min(1240px, calc(100% - 32px));
  margin: 0 auto;
  padding: 36px 0 88px;
}

.section {
  margin-top: 28px;
  animation: rise 0.7s ease both;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(280px, 0.9fr);
  gap: 24px;
  align-items: stretch;
}

.hero-copy,
.hero-panel,
.panel-card,
.pattern-card,
.focus-card,
.passage-card,
.step-card,
.chapter-button,
.analysis-pattern-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.hero-copy,
.hero-panel,
.panel-card,
.focus-card,
.pattern-card,
.step-card,
.analysis-pattern-card {
  padding: 28px;
}

.hero-summary,
.chapter-summary,
.pattern-summary,
.analysis-note,
.step-card p,
.focus-insight,
.focus-application,
.passage-note,
.search-tip,
.search-label,
.analysis-scene,
.question-box li,
.question-list li {
  color: var(--muted);
}

.hero-summary {
  margin-top: 16px;
  line-height: 1.8;
  font-size: 1.02rem;
}

.hero-stats {
  margin-top: 22px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 14px;
}

.stat-card {
  padding: 18px;
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.8), rgba(250, 243, 233, 0.94));
  border: 1px solid rgba(143, 45, 20, 0.12);
}

.stat-value {
  margin: 0;
  font-family: "Manrope", sans-serif;
  font-size: 1.9rem;
  font-weight: 700;
}

.stat-label {
  margin: 6px 0 0;
  color: var(--muted);
  font-family: "Manrope", sans-serif;
  font-size: 0.9rem;
}

.eyebrow {
  margin: 0 0 8px;
  font-family: "Manrope", sans-serif;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.78rem;
  color: var(--accent);
}

.ordered-list,
.question-list,
.question-box ul {
  margin: 14px 0 0;
  padding-left: 20px;
  line-height: 1.8;
}

.section-head {
  margin-bottom: 18px;
}

.section-head h2 {
  font-size: clamp(1.8rem, 2.6vw, 2.55rem);
}

.section-head p {
  max-width: 780px;
  color: var(--muted);
  line-height: 1.8;
}

.pattern-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.pattern-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.pattern-head h3,
.analysis-pattern-card h4,
.focus-card h4 {
  margin: 0;
}

.step-index {
  display: inline-flex;
  margin-bottom: 14px;
  font-family: "Manrope", sans-serif;
  font-size: 0.82rem;
  color: var(--accent);
  letter-spacing: 0.08em;
}

.pattern-lens {
  margin: 16px 0 10px;
  font-family: "Manrope", sans-serif;
  font-weight: 600;
  color: var(--sage);
}

.pattern-quote,
.focus-quote {
  margin: 18px 0 0;
  padding: 16px 18px;
  border-radius: var(--radius-md);
  background: rgba(143, 45, 20, 0.05);
  border-left: 4px solid var(--accent);
  line-height: 1.8;
}

.quote-ref {
  display: inline-block;
  margin-bottom: 8px;
  font-family: "Manrope", sans-serif;
  font-size: 0.85rem;
  color: var(--accent);
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip,
.artifact-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(143, 45, 20, 0.08);
  border: 1px solid rgba(143, 45, 20, 0.14);
  color: var(--accent);
  font-family: "Manrope", sans-serif;
  font-size: 0.8rem;
}

.chip-accent {
  background: rgba(182, 132, 50, 0.12);
  color: #8d5b14;
  border-color: rgba(182, 132, 50, 0.2);
}

.chip-deep {
  background: rgba(70, 97, 90, 0.1);
  color: var(--sage);
  border-color: rgba(70, 97, 90, 0.2);
}

.workspace-shell {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  gap: 18px;
}

.workspace-rail {
  display: grid;
  gap: 16px;
  align-content: start;
}

.search-card input,
.analysis-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 14px 16px;
  font-family: inherit;
  font-size: 1rem;
  background: rgba(255, 255, 255, 0.82);
  color: var(--ink);
}

.search-card input:focus,
.analysis-form textarea:focus {
  outline: 2px solid rgba(143, 45, 20, 0.16);
  border-color: rgba(143, 45, 20, 0.35);
}

.chapter-nav {
  display: grid;
  gap: 10px;
}

.chapter-button {
  text-align: left;
  padding: 16px 18px;
  transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.chapter-button:hover,
.chapter-button.is-active {
  transform: translateY(-2px);
  border-color: rgba(143, 45, 20, 0.28);
  background: linear-gradient(180deg, rgba(255, 252, 247, 0.98), rgba(248, 238, 224, 0.96));
}

.chapter-index,
.chapter-count,
.focus-mini,
.version-tag {
  display: block;
  font-family: "Manrope", sans-serif;
  font-size: 0.82rem;
  color: var(--muted);
}

.workspace-panel {
  display: grid;
  gap: 18px;
}

.chapter-axis {
  margin: 12px 0 10px;
  font-size: 1.08rem;
  line-height: 1.75;
}

.deep-coverage-note {
  margin-top: 14px;
}

.question-box {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px dashed rgba(95, 70, 44, 0.22);
}

.question-title {
  margin: 0;
  font-family: "Manrope", sans-serif;
  font-weight: 700;
  color: var(--accent);
}

.focus-grid,
.step-grid,
.analysis-pattern-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.focus-top {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 12px;
}

.focus-application,
.passage-note-title {
  font-family: "Manrope", sans-serif;
}

.passage-list {
  display: grid;
  gap: 14px;
}

.passage-card {
  padding: 20px 22px;
}

.passage-text {
  margin: 14px 0 0;
  line-height: 1.95;
  font-size: 1.02rem;
}

.passage-note {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px dashed rgba(95, 70, 44, 0.22);
  line-height: 1.75;
}

.passage-note-deep {
  margin-top: 18px;
}

.passage-note-title {
  margin: 0 0 8px;
  font-weight: 700;
  color: var(--accent);
}

.deep-note-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 14px;
}

.deep-note-section {
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(95, 70, 44, 0.14);
}

.deep-note-section p {
  margin: 0;
  line-height: 1.82;
  color: var(--muted);
}

.deep-note-label {
  margin-bottom: 8px !important;
  font-family: "Manrope", sans-serif;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent) !important;
}

.analyzer-shell {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.15fr);
  gap: 18px;
}

.analysis-form {
  display: grid;
  gap: 14px;
}

.prompt-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.prompt-chip {
  border: 1px solid rgba(70, 97, 90, 0.18);
  background: rgba(70, 97, 90, 0.08);
  color: var(--sage);
  border-radius: 999px;
  padding: 10px 14px;
  font-family: "Manrope", sans-serif;
  font-size: 0.85rem;
  cursor: pointer;
}

.primary-btn {
  border: none;
  border-radius: 18px;
  padding: 14px 18px;
  font-family: "Manrope", sans-serif;
  font-weight: 700;
  color: #fffaf4;
  background: linear-gradient(135deg, var(--accent), #68200f);
  cursor: pointer;
  box-shadow: var(--shadow);
}

.analysis-output {
  display: grid;
  gap: 18px;
}

.analysis-hero,
.analysis-placeholder {
  min-height: 220px;
}

.analysis-scene {
  margin-top: 0;
  line-height: 1.75;
}

.analysis-bottom {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.skill-summary {
  margin-bottom: 18px;
}

.artifact-list {
  margin-top: 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

mark {
  background: rgba(182, 132, 50, 0.22);
  color: inherit;
  padding: 0 3px;
  border-radius: 4px;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 1100px) {
  .pattern-grid,
  .hero-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero,
  .analyzer-shell,
  .workspace-shell {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .topbar-inner,
  .brand {
    flex-direction: column;
    align-items: start;
  }

  .topnav {
    flex-wrap: wrap;
  }

  .pattern-grid,
  .focus-grid,
  .step-grid,
  .analysis-pattern-grid,
  .analysis-bottom,
  .hero-stats,
  .deep-note-grid {
    grid-template-columns: 1fr;
  }

  .shell {
    width: min(100% - 20px, 1240px);
  }
}