@import url("tokens.css");

:root {
  color-scheme: light;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
}

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

a {
  color: var(--color-accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover,
a:focus-visible {
  color: var(--color-accent-hover);
}

p,
ul,
ol,
dl {
  margin: 0;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 400;
  letter-spacing: var(--tracking-tight);
  color: var(--color-text);
}

h1 {
  font-size: clamp(1.9rem, 3.5vw, 2.5rem);
  line-height: 1.15;
}

h2 {
  font-size: clamp(1.35rem, 2.2vw, 1.65rem);
  line-height: 1.25;
}

h3 {
  font-size: 1.25rem;
  line-height: 1.3;
}

main {
  padding-bottom: var(--space-20);
}

.site-shell {
  width: min(calc(100% - 2rem), var(--max-width-content));
  margin: 0 auto;
}

.reading-width {
  max-width: var(--max-width-reading);
}

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

.section-block {
  padding-top: var(--space-8);
}

.eyebrow {
  margin-bottom: var(--space-3);
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(250, 246, 240, 0.94);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: blur(10px);
}

.nav-shell {
  width: min(calc(100% - 2rem), var(--max-width-content));
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  min-height: 3.5rem;
}

.brand-link {
  color: var(--color-text);
  font-family: var(--font-serif);
  font-size: 1.125rem;
  text-decoration: none;
}

.brand-link:hover,
.brand-link:focus-visible,
.brand-link.is-active {
  color: var(--color-accent);
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: var(--space-4);
}

.nav-link {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: var(--text-sm);
}

.nav-link:hover,
.nav-link:focus-visible,
.nav-link.is-active {
  color: var(--color-accent);
}

.hero {
  padding-top: var(--space-10);
}

.hero-copy {
  margin-top: var(--space-5);
  font-size: 1.05rem;
  color: var(--color-text-secondary);
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-6);
}

.button,
button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.9rem;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-secondary);
  border-radius: var(--radius-md);
  background: var(--color-secondary);
  color: var(--color-text-inverse);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  text-decoration: none;
  cursor: pointer;
  transition: background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.button:hover,
.button:focus-visible,
button:hover,
button:focus-visible {
  background: var(--color-secondary-hover);
  border-color: var(--color-secondary-hover);
  color: var(--color-text-inverse);
}

.button-secondary {
  background: transparent;
  color: var(--color-secondary);
}

.button-secondary:hover,
.button-secondary:focus-visible {
  color: var(--color-text-inverse);
}

.section-heading {
  margin-bottom: var(--space-6);
}

.section-heading p:last-child,
.module-summary,
.creator-note p:last-child,
.cohort-article > section > p,
.module-article p,
.feature-card p,
.strip-card p,
.evidence-block p:last-child {
  color: var(--color-text-secondary);
}

.build-arc {
  display: grid;
  grid-template-columns: repeat(10, minmax(10rem, 1fr));
  gap: var(--space-4);
  padding: 0 0 var(--space-2);
  margin: 0;
  list-style: none;
  overflow-x: auto;
}

.arc-item {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  min-height: 9.5rem;
  padding: var(--space-5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
}

.arc-item:not(:last-child)::after {
  content: "→";
  position: absolute;
  right: -0.95rem;
  top: calc(50% - 0.6rem);
  color: var(--color-text-faint);
  font-size: 1.25rem;
}

.arc-module {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.arc-title {
  font-family: var(--font-serif);
  font-size: var(--text-lg);
  line-height: 1.35;
}

.arc-state {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  line-height: 1.5;
}

.module-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-5);
}

.module-card,
.strip-card,
.feature-card,
.metric-card,
.rail-card,
.access-panel,
.before-after-card,
.evidence-block,
.creator-note {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
}

.module-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding: var(--space-5);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
}

.module-card:hover,
.module-card:focus-within {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-border-strong);
}

.module-card h3 a {
  color: var(--color-text);
  text-decoration: none;
}

.module-card h3 a:hover,
.module-card h3 a:focus-visible {
  color: var(--color-accent);
}

.module-card-header,
.badge-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
}

.badge-row {
  justify-content: flex-start;
}

.module-subtitle,
.module-subtitle-large {
  color: var(--color-text-secondary);
}

.module-subtitle-large {
  margin-top: var(--space-3);
  font-size: var(--text-lg);
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 1.7rem;
  padding: 0.2rem 0.55rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}

.badge-available,
.badge-free {
  background: var(--color-secondary-subtle);
  color: var(--color-secondary);
  border-color: rgba(26, 92, 76, 0.18);
}

.badge-cohort {
  background: var(--color-bg-alt);
  color: var(--color-text);
}

.badge-planned {
  background: var(--color-bg-alt);
  color: var(--color-text-muted);
}

.module-meta-list,
.plain-list,
.detail-list,
.module-facts {
  padding: 0;
  margin: 0;
}

.module-meta-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
  list-style: none;
}

.module-meta-list li,
.metric-card {
  padding: var(--space-3);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  background: var(--color-bg);
}

.module-meta-list span,
.metric-label {
  display: block;
  margin-bottom: var(--space-1);
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
}

.split-strip {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-5);
}

.strip-card,
.feature-card,
.evidence-block,
.creator-note,
.access-panel {
  padding: var(--space-6);
}

.creator-note p + p {
  margin-top: var(--space-4);
}

.creator-link {
  margin-top: var(--space-3);
  font-size: var(--text-sm);
}

.plain-list,
.detail-list {
  padding-left: 1.1rem;
}

.plain-list li,
.detail-list li {
  margin-top: var(--space-3);
  color: var(--color-text-secondary);
}

.module-layout {
  display: grid;
  grid-template-columns: 15rem minmax(0, 1fr);
  gap: var(--space-8);
  align-items: start;
  padding-top: var(--space-8);
}

.module-article {
  min-width: 0;
}

.module-rail {
  position: sticky;
  top: 4.5rem;
}

.rail-card {
  padding: var(--space-4);
}

.rail-heading {
  margin-bottom: var(--space-3);
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
}

.rail-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  list-style: none;
  padding: 0;
  margin: 0;
}

.rail-link {
  display: grid;
  gap: 0.1rem;
  padding: var(--space-3);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  text-decoration: none;
  color: var(--color-text-secondary);
}

.rail-link:hover,
.rail-link:focus-visible {
  border-color: var(--color-border);
  background: var(--color-bg-alt);
  color: var(--color-accent);
}

.rail-link.is-current {
  border-color: var(--color-accent-muted);
  background: var(--color-accent-subtle);
  color: var(--color-accent);
}

.rail-label,
.rail-status {
  font-size: var(--text-xs);
}

.rail-title {
  color: var(--color-text);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-items: center;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.module-header {
  padding-top: var(--space-8);
}

.module-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-4);
  margin-top: var(--space-6);
}

.module-facts div {
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg-alt);
}

.module-facts dt {
  margin-bottom: var(--space-2);
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}

.module-facts dd {
  margin: 0;
  color: var(--color-text);
}

.before-after {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4);
}

.before-after-card {
  padding: var(--space-5);
}

.artifact-note {
  margin-bottom: var(--space-4);
}

.workload-grid,
.cohort-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-4);
}

.cohort-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.pager {
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  padding-top: var(--space-8);
}

.pager-link,
.pager-empty {
  font-size: var(--text-sm);
}

.table-wrap {
  overflow-x: auto;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 34rem;
}

.comparison-table th,
.comparison-table td {
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  text-align: left;
  vertical-align: top;
}

.comparison-table thead th {
  background: var(--color-bg-alt);
  font-weight: var(--weight-semibold);
}

.waitlist-form {
  display: grid;
  gap: var(--space-3);
}

.waitlist-row {
  display: flex;
  gap: var(--space-3);
}

.btn-primary {
  display: inline-block;
  background: var(--color-action);
  color: #faf6f0;
  padding: 0.6rem 1.6rem;
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 500;
  text-decoration: none;
}

.btn-secondary {
  display: inline-block;
  background: var(--color-surface);
  color: var(--color-text);
  border: 1px solid var(--color-border-strong);
  padding: 0.6rem 1.6rem;
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 500;
  text-decoration: none;
}

input[type="email"] {
  flex: 1;
  min-height: 2.9rem;
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-text);
  font: inherit;
}

input[type="email"]::placeholder {
  color: var(--color-text-faint);
}

.form-note {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.faq-list {
  display: grid;
  gap: var(--space-3);
}

.faq-list details {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  padding: var(--space-4) var(--space-5);
}

.faq-list summary {
  cursor: pointer;
  font-weight: var(--weight-medium);
}

.faq-list details p {
  margin-top: var(--space-3);
}

.site-footer {
  padding: var(--space-12) 0 var(--space-16);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  border-top: 1px solid var(--color-border);
}

.site-footer p + p {
  margin-top: var(--space-2);
}

.site-footer a {
  color: var(--color-accent);
}

@media (max-width: 900px) {
  .module-layout {
    grid-template-columns: 1fr;
    gap: var(--space-5);
  }

  .module-rail {
    position: static;
  }

  .rail-list {
    flex-direction: row;
    overflow-x: auto;
    padding-bottom: var(--space-1);
  }

  .rail-list li {
    min-width: 10rem;
  }

  .module-grid,
  .split-strip,
  .before-after,
  .workload-grid,
  .module-facts,
  .cohort-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .site-shell {
    width: min(calc(100% - 1.25rem), var(--max-width-content));
  }

  .site-nav {
    align-items: flex-start;
    flex-direction: column;
    padding: var(--space-3) 0;
  }

  .nav-links {
    gap: var(--space-3);
    justify-content: flex-start;
  }

  .build-arc {
    grid-template-columns: repeat(10, minmax(13rem, 1fr));
  }

  .module-meta-list {
    grid-template-columns: 1fr;
  }

  .waitlist-row,
  .pager {
    flex-direction: column;
  }
}