/* Territoires & sociétés — ressources enseignants SHS Romandie */

:root {
  --color-bg: #f3f1eb;
  --color-bg-deep: #e5e0d4;
  --color-surface: #fffcf7;
  --color-ink: #1c2a2e;
  --color-ink-muted: #4a5a60;
  --color-accent: #1a5f6e;
  --color-accent-soft: #d4e8ec;
  --color-earth: #8b5a3c;
  --color-earth-soft: #f0e4d8;
  --color-lake: #2a7a8c;
  --color-border: rgba(28, 42, 46, 0.12);
  --color-focus: #c45c26;

  --font-display: "Fraunces", Georgia, "Times New Roman", serif;
  --font-body: "Source Sans 3", "Source Sans Pro", system-ui, sans-serif;

  --space-xs: 0.35rem;
  --space-sm: 0.75rem;
  --space-md: 1.25rem;
  --space-lg: 2rem;
  --space-xl: 3.5rem;
  --space-2xl: 5.5rem;

  --radius: 4px;
  --max-width: 68rem;
  --header-height: 4rem;

  --shadow-card: 0 1px 0 rgba(28, 42, 46, 0.06), 0 8px 24px rgba(28, 42, 46, 0.06);
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--color-ink);
  background-color: var(--color-bg);
  background-image:
    radial-gradient(ellipse 120% 80% at 10% -20%, rgba(42, 122, 140, 0.14), transparent 50%),
    radial-gradient(ellipse 90% 60% at 100% 0%, rgba(139, 90, 60, 0.1), transparent 45%),
    linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-deep) 100%);
  background-attachment: fixed;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.35;
  background-image: url("../assets/relief-pattern.svg");
  background-size: 480px;
  background-repeat: repeat;
}

a {
  color: var(--color-accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
  transition: color 0.2s var(--ease-out), text-decoration-color 0.2s var(--ease-out);
}

a:hover {
  color: var(--color-lake);
}

a:focus-visible,
button:focus-visible,
.theme-card:focus-visible,
.subtheme-link:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 3px;
}

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

.skip-link {
  position: absolute;
  left: var(--space-md);
  top: -100%;
  z-index: 100;
  padding: var(--space-sm) var(--space-md);
  background: var(--color-ink);
  color: var(--color-surface);
  text-decoration: none;
  border-radius: var(--radius);
}

.skip-link:focus {
  top: var(--space-sm);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-height);
  display: flex;
  align-items: center;
  backdrop-filter: blur(10px);
  background: rgba(243, 241, 235, 0.88);
  border-bottom: 1px solid var(--color-border);
}

.site-header__inner,
.site-footer__inner,
.page,
.hero,
.section {
  position: relative;
  z-index: 1;
  width: min(100% - 2rem, var(--max-width));
  margin-inline: auto;
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.site-brand {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  font-variation-settings: "SOFT" 40, "WONK" 0;
  color: var(--color-ink);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.site-brand:hover {
  color: var(--color-accent);
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm) var(--space-md);
  font-size: 0.95rem;
}

.site-nav a {
  color: var(--color-ink-muted);
  text-decoration: none;
  position: relative;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.15em;
  width: 100%;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s var(--ease-out);
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--color-ink);
}

.site-nav a:hover::after,
.site-nav a[aria-current="page"]::after {
  transform: scaleX(1);
}

main {
  position: relative;
  z-index: 1;
  padding-bottom: var(--space-2xl);
}

/* —— Hero (home) —— */
.hero {
  min-height: calc(100vh - var(--header-height) - 2rem);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-block: var(--space-xl) var(--space-lg);
}

.hero__eyebrow {
  margin: 0 0 var(--space-md);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-earth);
}

.hero__brand {
  margin: 0 0 var(--space-md);
  font-family: var(--font-display);
  font-size: clamp(2.75rem, 7vw, 4.75rem);
  font-weight: 650;
  font-variation-settings: "SOFT" 30, "WONK" 0.4;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--color-ink);
  max-width: 14ch;
}

.hero__lead {
  margin: 0;
  max-width: 36ch;
  font-size: clamp(1.15rem, 2.2vw, 1.35rem);
  line-height: 1.5;
  color: var(--color-ink-muted);
}

.hero__cta {
  margin-top: var(--space-lg);
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-weight: 600;
  color: var(--color-accent);
  text-decoration: none;
}

.hero__cta svg {
  transition: transform 0.25s var(--ease-out);
}

.hero__cta:hover svg {
  transform: translateY(3px);
}

/* —— Page chrome —— */
.page {
  padding-top: var(--space-lg);
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin: 0 0 var(--space-lg);
  padding: 0;
  list-style: none;
  font-size: 0.9rem;
  color: var(--color-ink-muted);
}

.breadcrumb li:not(:last-child)::after {
  content: "›";
  margin-left: var(--space-xs);
  opacity: 0.5;
}

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

.breadcrumb a:hover {
  color: var(--color-accent);
  text-decoration: underline;
}

.breadcrumb [aria-current="page"] {
  color: var(--color-ink);
  font-weight: 600;
}

.page-header {
  margin-bottom: var(--space-xl);
  max-width: 42rem;
}

.page-header h1 {
  margin: 0 0 var(--space-md);
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 2.85rem);
  font-weight: 650;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.page-header .lede {
  margin: 0;
  font-size: 1.15rem;
  color: var(--color-ink-muted);
}

.cycles-badge {
  display: inline-flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-bottom: var(--space-md);
}

.cycles-badge span {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.25em 0.65em;
  border-radius: var(--radius);
  background: var(--color-accent-soft);
  color: var(--color-accent);
}

/* —— Sections —— */
.section {
  padding-block: var(--space-xl);
}

.section__title {
  margin: 0 0 var(--space-md);
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2rem);
  font-weight: 600;
  letter-spacing: -0.02em;
}

.section__intro {
  margin: 0 0 var(--space-lg);
  max-width: 40rem;
  color: var(--color-ink-muted);
}

/* —— Theme cards (home only) —— */
.theme-grid {
  display: grid;
  gap: var(--space-md);
  grid-template-columns: 1fr;
  list-style: none;
  margin: 0;
  padding: 0;
}

@media (min-width: 560px) {
  .theme-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 960px) {
  .theme-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
  }
}

.theme-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: var(--space-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: calc(var(--radius) + 4px);
  box-shadow: var(--shadow-card);
  text-decoration: none;
  color: inherit;
  transition:
    transform 0.35s var(--ease-out),
    box-shadow 0.35s var(--ease-out),
    border-color 0.35s var(--ease-out);
  opacity: 0;
  transform: translateY(1.25rem);
}

.theme-card.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.theme-card:hover {
  transform: translateY(-4px);
  border-color: rgba(26, 95, 110, 0.35);
  box-shadow: 0 2px 0 rgba(28, 42, 46, 0.04), 0 16px 36px rgba(28, 42, 46, 0.1);
}

.theme-card.is-visible:hover {
  transform: translateY(-4px);
}

.theme-card__label {
  margin: 0 0 var(--space-md);
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--color-ink);
}

.theme-card__objectives {
  margin: 0;
  padding: 0;
  list-style: none;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.theme-card__objectives li {
  position: relative;
  padding-left: 1.1em;
  font-size: 0.98rem;
  color: var(--color-ink-muted);
  line-height: 1.45;
}

.theme-card__objectives li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 0.4em;
  height: 0.4em;
  border-radius: 50%;
  background: var(--color-lake);
}

.theme-card__more {
  margin-top: var(--space-lg);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-accent);
}

/* —— Objectives list (theme pages) —— */
.objectives {
  margin: 0 0 var(--space-xl);
  padding: var(--space-lg);
  background: var(--color-surface);
  border-left: 3px solid var(--color-accent);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.objectives h2 {
  margin: 0 0 var(--space-sm);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.objectives ul {
  margin: 0;
  padding-left: 1.15rem;
}

.objectives li + li {
  margin-top: var(--space-xs);
}

/* —— Subtheme list (theme pages — links, not cards) —— */
.subtheme-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--color-border);
}

.subtheme-link {
  display: grid;
  gap: var(--space-xs);
  padding: var(--space-lg) 0;
  border-bottom: 1px solid var(--color-border);
  text-decoration: none;
  color: inherit;
  transition: padding-left 0.25s var(--ease-out);
}

.subtheme-link:hover {
  padding-left: 0.5rem;
}

.subtheme-link__title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.015em;
  color: var(--color-ink);
}

.subtheme-link:hover .subtheme-link__title {
  color: var(--color-accent);
}

.subtheme-link__desc {
  margin: 0;
  max-width: 40rem;
  color: var(--color-ink-muted);
  font-size: 1rem;
}

/* —— Content pages —— */
.content {
  max-width: 42rem;
}

.content h2 {
  margin: var(--space-xl) 0 var(--space-md);
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.015em;
}

.content h2:first-child {
  margin-top: 0;
}

.content h3 {
  margin: var(--space-lg) 0 var(--space-sm);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-accent);
}

.content p,
.content ul,
.content ol {
  margin: 0 0 var(--space-md);
}

.content ul,
.content ol {
  padding-left: 1.25rem;
}

.content li + li {
  margin-top: var(--space-xs);
}

.cycle-block {
  margin: var(--space-md) 0 var(--space-lg);
  padding: var(--space-md) var(--space-lg);
  background: rgba(255, 252, 247, 0.7);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.cycle-block h3 {
  margin-top: 0;
}

.aside-box {
  margin: var(--space-xl) 0 0;
  padding: var(--space-lg);
  background: var(--color-earth-soft);
  border-radius: calc(var(--radius) + 2px);
}

.aside-box h2 {
  margin: 0 0 var(--space-sm);
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--color-earth);
}

.aside-box p:last-child {
  margin-bottom: 0;
}

/* —— Footer —— */
.site-footer {
  position: relative;
  z-index: 1;
  margin-top: auto;
  padding: var(--space-xl) 0 var(--space-lg);
  border-top: 1px solid var(--color-border);
  background: rgba(28, 42, 46, 0.03);
}

.site-footer__inner {
  display: grid;
  gap: var(--space-md);
}

.site-footer p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--color-ink-muted);
  max-width: 36rem;
}

.site-footer strong {
  color: var(--color-ink);
  font-weight: 600;
}

@media (max-width: 720px) {
  .site-header {
    height: auto;
    min-height: var(--header-height);
    padding-block: var(--space-sm);
  }

  .site-header__inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .site-nav {
    width: 100%;
    gap: var(--space-sm) var(--space-md);
    font-size: 0.88rem;
  }
}