/* ============================================================
   Où on va, Papa ? — Jean-Louis Fournier
   Podcast Littéraire — borisehret.ch
   Palette : bleu-gris ardoise, ocre chaud, rouille, ivoire
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,600;0,700;1,400;1,600&family=Lora:ital,wght@0,400;0,500;1,400&family=Source+Sans+3:wght@300;400;600&display=swap');

/* ── Variables ─────────────────────────────────────────────── */
:root {
  --color-bg:         #f5f0e8;       /* ivoire chaud */
  --color-bg-alt:     #ede6d6;       /* ivoire plus soutenu */
  --color-header:     #1a1a2e;       /* bleu nuit profond */
  --color-nav-active: #c0392b;       /* rouge rouille */
  --color-accent:     #b5651d;       /* ocre/rouille */
  --color-accent2:    #4a6fa5;       /* bleu ardoise */
  --color-text:       #2c2c2c;       /* quasi-noir */
  --color-text-light: #5a5a5a;       /* gris moyen */
  --color-card:       #ffffff;       /* blanc pur */
  --color-card-border:#d4c9b0;       /* beige doré */
  --color-footer:     #1a1a2e;       /* même que header */
  --font-title:       'Playfair Display', Georgia, serif;
  --font-body:        'Lora', Georgia, serif;
  --font-ui:          'Source Sans 3', sans-serif;
  --shadow:           0 2px 12px rgba(0,0,0,0.10);
  --shadow-lg:        0 4px 24px rgba(0,0,0,0.15);
  --radius:           8px;
  --max-width:        900px;
}

/* ── Reset & Base ──────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

a { color: var(--color-accent2); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Header ────────────────────────────────────────────────── */
header {
  background: var(--color-header);
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  height: 56px;
  gap: 1rem;
}

.header-brand {
  font-family: var(--font-ui);
  font-size: 0.95rem;
  font-weight: 300;
  letter-spacing: 0.02em;
  color: #ccc;
  white-space: nowrap;
  flex-shrink: 0;
}

.header-subtitle {
  font-family: var(--font-ui);
  font-size: 0.95rem;
  font-weight: 300;
  color: #aaa;
  white-space: nowrap;
  flex-shrink: 0;
}

/* ── Navigation Desktop ────────────────────────────────────── */
nav.desktop-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  margin-left: auto;
}

nav.desktop-nav a {
  font-family: var(--font-ui);
  font-size: 0.875rem;
  font-weight: 400;
  color: #ddd;
  padding: 0.35rem 0.75rem;
  border-radius: 4px;
  transition: background 0.2s, color 0.2s;
  white-space: nowrap;
  text-decoration: none;
}

nav.desktop-nav a:hover {
  background: rgba(255,255,255,0.12);
  color: #fff;
  text-decoration: none;
}

nav.desktop-nav a.active {
  background: var(--color-nav-active);
  color: #fff;
}

/* ── Hamburger (mobile) ────────────────────────────────────── */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  margin-left: auto;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Mobile Dropdown Menu ──────────────────────────────────── */
.mobile-menu {
  display: none;
  flex-direction: column;
  background: var(--color-header);
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 0.5rem 1.5rem 1rem;
}

.mobile-menu.open { display: flex; }

.mobile-menu a {
  font-family: var(--font-ui);
  font-size: 1rem;
  color: #ddd;
  padding: 0.6rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  text-decoration: none;
  transition: color 0.2s;
}

.mobile-menu a:last-child { border-bottom: none; }
.mobile-menu a:hover { color: #fff; }
.mobile-menu a.active { color: var(--color-nav-active); font-weight: 600; }

/* ── Responsive: Mobile < 768px ────────────────────────────── */
@media (max-width: 767px) {
  nav.desktop-nav { display: none; }
  .hamburger { display: flex; }
  .header-subtitle { display: none; }
}

/* ── Main Content ──────────────────────────────────────────── */
main {
  flex: 1;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2.5rem 1.5rem 3rem;
  width: 100%;
}

/* ── Page Hero ─────────────────────────────────────────────── */
.page-hero {
  text-align: center;
  margin-bottom: 2.5rem;
}

.page-hero h1 {
  font-family: var(--font-title);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 0.4rem;
  line-height: 1.2;
}

.page-hero .author {
  font-family: var(--font-title);
  font-style: italic;
  font-size: 1.2rem;
  color: var(--color-accent);
  margin-bottom: 0.5rem;
}

.page-hero .tagline {
  font-family: var(--font-ui);
  font-size: 1rem;
  color: var(--color-text-light);
  font-style: italic;
}

/* ── Illustration Hero ─────────────────────────────────────── */
.illustration-hero {
  width: 100%;
  max-width: 700px;
  margin: 0 auto 2.5rem;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.illustration-hero img {
  width: 100%;
  height: auto;
}

/* ── Cards ─────────────────────────────────────────────────── */
.card {
  background: var(--color-card);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius);
  padding: 1.75rem;
  margin-bottom: 1.75rem;
  box-shadow: var(--shadow);
}

.card h2 {
  font-family: var(--font-title);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.card h2 .icon { font-size: 1.2rem; }

.card h3 {
  font-family: var(--font-title);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-accent);
  margin: 1.25rem 0 0.5rem;
}

.card p {
  font-family: var(--font-body);
  font-size: 0.97rem;
  color: var(--color-text);
  margin-bottom: 0.75rem;
  line-height: 1.75;
}

/* ── Audio Player ──────────────────────────────────────────── */
.audio-player-wrap {
  background: #1e2a3a;
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  margin: 1rem 0;
}

.audio-player-wrap .player-label {
  font-family: var(--font-ui);
  font-size: 0.85rem;
  color: #8ab4d4;
  margin-bottom: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.audio-player-wrap .player-title {
  font-family: var(--font-title);
  font-size: 1.1rem;
  color: #fff;
  margin-bottom: 0.75rem;
  font-style: italic;
}

.audio-player-wrap audio {
  width: 100%;
  height: 40px;
  border-radius: 4px;
  accent-color: var(--color-accent);
}

/* Custom audio player controls */
.custom-player {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: #1e2a3a;
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  margin: 1rem 0;
}

.custom-player .play-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-accent);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background 0.2s, transform 0.1s;
}

.custom-player .play-btn:hover { background: #d4751f; transform: scale(1.05); }

.custom-player .play-btn svg { width: 16px; height: 16px; fill: #fff; }

.custom-player .progress-wrap {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.custom-player .progress-bar {
  width: 100%;
  height: 4px;
  background: rgba(255,255,255,0.2);
  border-radius: 2px;
  cursor: pointer;
  position: relative;
}

.custom-player .progress-fill {
  height: 100%;
  background: var(--color-accent);
  border-radius: 2px;
  width: 0%;
  transition: width 0.1s linear;
}

.custom-player .time-display {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  color: #8ab4d4;
  display: flex;
  justify-content: space-between;
}

.custom-player .volume-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: #8ab4d4;
  padding: 4px;
  transition: color 0.2s;
}

.custom-player .volume-btn:hover { color: #fff; }

/* ── Section titles ────────────────────────────────────────── */
.section-title {
  font-family: var(--font-title);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-text);
  margin: 2rem 0 1.25rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--color-accent);
}

/* ── Theme Cards (3-col grid) ──────────────────────────────── */
.themes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
  margin: 1.25rem 0;
}

.theme-card {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius);
  padding: 1.25rem;
  border-left: 4px solid var(--color-accent);
}

.theme-card h4 {
  font-family: var(--font-title);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: 0.4rem;
}

.theme-card p {
  font-size: 0.88rem;
  color: var(--color-text-light);
  line-height: 1.6;
  margin: 0;
}

/* ── Table ─────────────────────────────────────────────────── */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-ui);
  font-size: 0.9rem;
  margin: 1rem 0;
}

.data-table th {
  background: var(--color-header);
  color: #fff;
  padding: 0.6rem 0.9rem;
  text-align: left;
  font-weight: 600;
}

.data-table td {
  padding: 0.55rem 0.9rem;
  border-bottom: 1px solid var(--color-card-border);
}

.data-table tr:nth-child(even) td { background: var(--color-bg-alt); }

/* ── Download Buttons ──────────────────────────────────────── */
.download-section {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-card-border);
}

.download-section h3 {
  font-family: var(--font-title);
  font-size: 1.1rem;
  color: var(--color-text);
  margin-bottom: 1rem;
}

.download-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.btn-download {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--color-accent2);
  color: #fff;
  padding: 0.6rem 1.1rem;
  border-radius: 6px;
  font-family: var(--font-ui);
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.2s, transform 0.1s;
  box-shadow: 0 2px 6px rgba(0,0,0,0.15);
}

.btn-download:hover {
  background: #3a5f95;
  transform: translateY(-1px);
  text-decoration: none;
  color: #fff;
}

.btn-download svg { width: 16px; height: 16px; fill: currentColor; flex-shrink: 0; }

/* ── Video Page ────────────────────────────────────────────── */
.video-container {
  position: relative;
  width: 100%;
  padding-top: 56.25%;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  margin: 1rem 0 1.5rem;
}

.video-container iframe {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  border: none;
}

/* ── Infographic ───────────────────────────────────────────── */
.infographic-wrap {
  margin: 1.5rem 0;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--color-card-border);
}

.infographic-wrap img { width: 100%; height: auto; }

/* ── Slideshow ─────────────────────────────────────────────── */
.slideshow-container {
  background: var(--color-card);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  margin: 1rem 0;
}

.slide-display {
  width: 100%;
  background: #111;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 300px;
}

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

.slide-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1.25rem;
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-card-border);
}

.slide-controls .slide-counter {
  font-family: var(--font-ui);
  font-size: 0.9rem;
  color: var(--color-text-light);
  font-weight: 600;
}

.btn-slide {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--color-header);
  color: #fff;
  border: none;
  padding: 0.5rem 1.1rem;
  border-radius: 6px;
  font-family: var(--font-ui);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
}

.btn-slide:hover { background: var(--color-accent2); transform: translateY(-1px); }
.btn-slide:disabled { background: #aaa; cursor: not-allowed; transform: none; }

/* ── Discussion Page ───────────────────────────────────────── */
.activity-card {
  background: var(--color-card);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius);
  padding: 1.75rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow);
  border-left: 5px solid var(--color-accent);
}

.activity-card.activity-2 { border-left-color: var(--color-accent2); }
.activity-card.activity-3 { border-left-color: #27ae60; }
.activity-card.activity-pro { border-left-color: #8e44ad; }

.activity-header {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.activity-badge {
  background: var(--color-accent);
  color: #fff;
  font-family: var(--font-ui);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.6rem;
  border-radius: 4px;
  white-space: nowrap;
  flex-shrink: 0;
  margin-top: 3px;
}

.activity-2 .activity-badge { background: var(--color-accent2); }
.activity-3 .activity-badge { background: #27ae60; }
.activity-pro .activity-badge { background: #8e44ad; }

.activity-header h3 {
  font-family: var(--font-title);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-text);
  margin: 0;
}

.activity-type {
  font-family: var(--font-ui);
  font-size: 0.82rem;
  color: var(--color-text-light);
  font-style: italic;
  margin-bottom: 0.75rem;
}

.question-list {
  list-style: none;
  padding: 0;
  margin: 0.75rem 0;
}

.question-list li {
  display: flex;
  gap: 0.75rem;
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--color-bg-alt);
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 1.65;
}

.question-list li:last-child { border-bottom: none; }

.question-num {
  background: var(--color-accent);
  color: #fff;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-ui);
  font-size: 0.78rem;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 2px;
}

.activity-2 .question-num { background: var(--color-accent2); }
.activity-3 .question-num { background: #27ae60; }

.role-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0.75rem 0;
}

.role-tag {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-card-border);
  border-radius: 20px;
  padding: 0.3rem 0.8rem;
  font-family: var(--font-ui);
  font-size: 0.82rem;
  color: var(--color-text);
}

.big-question {
  background: linear-gradient(135deg, #1a1a2e, #2c3e6a);
  color: #fff;
  border-radius: var(--radius);
  padding: 1.5rem;
  text-align: center;
  margin: 1rem 0;
}

.big-question p {
  font-family: var(--font-title);
  font-size: 1.25rem;
  font-style: italic;
  color: #fff;
  margin: 0;
}

.glossary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 0.75rem;
  margin: 0.75rem 0;
}

.glossary-item {
  background: var(--color-bg-alt);
  border-radius: 6px;
  padding: 0.75rem;
  border-left: 3px solid var(--color-accent);
}

.glossary-item .term {
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--color-accent);
  margin-bottom: 0.2rem;
}

.glossary-item .def {
  font-size: 0.85rem;
  color: var(--color-text-light);
  line-height: 1.5;
}

/* ── Author Page ───────────────────────────────────────────── */
.author-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 2rem;
  align-items: start;
  margin-bottom: 2rem;
}

.author-photo-wrap {
  position: sticky;
  top: 80px;
}

.author-photo-wrap img {
  width: 100%;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
}

.author-identity {
  background: var(--color-bg-alt);
  border-radius: var(--radius);
  padding: 1rem;
  margin-top: 1rem;
  font-family: var(--font-ui);
  font-size: 0.85rem;
}

.author-identity .id-row {
  display: flex;
  justify-content: space-between;
  padding: 0.3rem 0;
  border-bottom: 1px solid var(--color-card-border);
}

.author-identity .id-row:last-child { border-bottom: none; }
.author-identity .id-label { color: var(--color-text-light); font-weight: 600; }
.author-identity .id-value { color: var(--color-text); text-align: right; }

.author-content h2 {
  font-family: var(--font-title);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-text);
  margin: 1.5rem 0 0.6rem;
  padding-bottom: 0.3rem;
  border-bottom: 2px solid var(--color-accent);
}

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

.author-content p {
  font-family: var(--font-body);
  font-size: 0.97rem;
  line-height: 1.8;
  color: var(--color-text);
  margin-bottom: 0.9rem;
}

.quote-block {
  border-left: 4px solid var(--color-accent);
  background: var(--color-bg-alt);
  padding: 1rem 1.25rem;
  border-radius: 0 var(--radius) var(--radius) 0;
  margin: 1.25rem 0;
  font-family: var(--font-title);
  font-style: italic;
  font-size: 1.05rem;
  color: var(--color-text);
}

.reading-suggestions {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 0.75rem;
  margin: 0.75rem 0;
}

.suggestion-card {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius);
  padding: 0.9rem;
}

.suggestion-card .s-title {
  font-family: var(--font-title);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-accent);
  margin-bottom: 0.3rem;
}

.suggestion-card .s-desc {
  font-size: 0.83rem;
  color: var(--color-text-light);
  line-height: 1.5;
}

/* ── Fiche de lecture ──────────────────────────────────────── */
.fiche-section {
  margin-bottom: 1.75rem;
}

.fiche-section h3 {
  font-family: var(--font-title);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.fiche-section ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.fiche-section ul li {
  padding: 0.4rem 0 0.4rem 1.2rem;
  position: relative;
  font-size: 0.95rem;
  line-height: 1.65;
  border-bottom: 1px solid var(--color-bg-alt);
}

.fiche-section ul li:last-child { border-bottom: none; }

.fiche-section ul li::before {
  content: '›';
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: 700;
}

.highlight-box {
  background: linear-gradient(135deg, #1a1a2e, #2c3e6a);
  color: #fff;
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  margin: 1.25rem 0;
}

.highlight-box h3 {
  font-family: var(--font-title);
  font-size: 1.1rem;
  color: #f0c060;
  margin-bottom: 0.75rem;
}

.highlight-box ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.highlight-box ul li {
  padding: 0.3rem 0 0.3rem 1.2rem;
  position: relative;
  font-size: 0.9rem;
  color: #ddd;
  line-height: 1.6;
}

.highlight-box ul li::before {
  content: '✔';
  position: absolute;
  left: 0;
  color: #f0c060;
  font-size: 0.8rem;
}

/* ── Footer ────────────────────────────────────────────────── */
footer {
  background: var(--color-footer);
  color: #aaa;
  text-align: center;
  padding: 1rem 1.5rem;
  font-family: var(--font-ui);
  font-size: 0.85rem;
  margin-top: auto;
}

footer a { color: #ccc; }
footer a:hover { color: #fff; }

/* ── Responsive tweaks ─────────────────────────────────────── */
@media (max-width: 767px) {
  main { padding: 1.5rem 1rem 2rem; }

  .author-layout {
    grid-template-columns: 1fr;
  }

  .author-photo-wrap {
    position: static;
    max-width: 200px;
    margin: 0 auto;
  }

  .themes-grid { grid-template-columns: 1fr; }
  .glossary-grid { grid-template-columns: 1fr; }
  .reading-suggestions { grid-template-columns: 1fr; }

  .slide-controls { flex-wrap: wrap; gap: 0.5rem; justify-content: center; }
}