/* =========================================================
   LÉNGUÈ — Feuille de style globale
   Direction artistique : éditorial-littéraire engagé
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;0,600;0,700;1,300;1,400;1,500&family=Source+Serif+Pro:ital,wght@0,300;0,400;0,600;0,700;1,400&family=Fraunces:opsz,wght@9..144,300;9..144,400;9..144,600;9..144,700;9..144,900&display=swap');

:root {
  /* Palette */
  --terracotta: #8B4513;
  --terracotta-deep: #5C2E0E;
  --terracotta-light: #C77B4F;
  --ink: #1A1612;          /* noir éditorial chaud */
  --ink-soft: #3D342B;
  --paper: #F5F0E8;        /* blanc cassé chaud */
  --paper-warm: #EFE6D6;
  --paper-dim: #E5DBC7;
  --gold: #B8860B;
  --gold-light: #D4A745;
  --line: #C9BBA0;

  /* Typographie */
  --display: 'Fraunces', 'Cormorant Garamond', Georgia, serif;
  --serif: 'Source Serif Pro', Georgia, serif;
  --proverb: 'Cormorant Garamond', Georgia, serif;

  /* Espacement */
  --container: 1200px;
  --narrow: 720px;
  --gutter: 2rem;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.7;
  color: var(--ink);
  background: var(--paper);
  overflow-x: hidden;
}

/* Texture papier subtile */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    radial-gradient(circle at 1px 1px, rgba(139, 69, 19, 0.04) 1px, transparent 0);
  background-size: 24px 24px;
  pointer-events: none;
  z-index: 1;
  opacity: 0.6;
}

/* ============== TYPOGRAPHIE ============== */

h1, h2, h3, h4 {
  font-family: var(--display);
  font-weight: 400;
  color: var(--ink);
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.8rem, 6vw, 5rem);
  line-height: 1.05;
  font-weight: 300;
}

h2 {
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1.1;
  font-weight: 400;
}

h3 {
  font-size: clamp(1.4rem, 2.2vw, 1.9rem);
  line-height: 1.25;
  font-weight: 500;
}

p {
  margin-bottom: 1.2em;
  font-weight: 400;
}

a {
  color: var(--terracotta);
  text-decoration: none;
  border-bottom: 1px solid rgba(139, 69, 19, 0.3);
  transition: all 0.3s ease;
}

a:hover {
  color: var(--terracotta-deep);
  border-bottom-color: var(--terracotta);
}

/* Texte éditorial : drop-cap optionnelle */
.dropcap::first-letter {
  font-family: var(--display);
  font-size: 5em;
  float: left;
  line-height: 0.85;
  margin: 0.1em 0.15em 0 -0.04em;
  color: var(--terracotta);
  font-weight: 600;
}

/* ============== STRUCTURE ============== */

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
  position: relative;
  z-index: 2;
}

.narrow {
  max-width: var(--narrow);
  margin: 0 auto;
  padding: 0 var(--gutter);
  position: relative;
  z-index: 2;
}

section {
  padding: 6rem 0;
  position: relative;
}

/* ============== HEADER / NAVIGATION ============== */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(245, 240, 232, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  padding: 1rem 0;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-logo {
  font-family: var(--display);
  font-size: 1.6rem;
  font-weight: 500;
  color: var(--ink);
  border: none;
  letter-spacing: 0.02em;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.site-logo:hover {
  color: var(--terracotta);
}

.site-logo .mark {
  width: 28px;
  height: 28px;
}

.site-nav {
  display: flex;
  gap: 2.2rem;
}

.site-nav a {
  font-family: var(--serif);
  font-size: 0.95rem;
  color: var(--ink-soft);
  border: none;
  font-weight: 400;
  letter-spacing: 0.02em;
  position: relative;
  padding: 0.3rem 0;
}

.site-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--terracotta);
  transition: width 0.3s ease;
}

.site-nav a:hover::after,
.site-nav a.active::after {
  width: 100%;
}

.site-nav a:hover {
  color: var(--terracotta);
}

/* Burger mobile */
.burger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.burger span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--ink);
  margin: 5px 0;
  transition: all 0.3s;
}

@media (max-width: 768px) {
  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--paper);
    flex-direction: column;
    padding: 1.5rem var(--gutter);
    border-bottom: 1px solid var(--line);
    gap: 1.2rem;
  }
  .site-nav.open { display: flex; }
  .burger { display: block; }
}

/* ============== HERO ============== */

.hero {
  padding-top: 10rem;
  padding-bottom: 8rem;
  min-height: 90vh;
  display: flex;
  align-items: center;
  position: relative;
  background: linear-gradient(180deg, var(--paper) 0%, var(--paper-warm) 100%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 5rem;
  align-items: center;
}

@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
}

.hero-title {
  font-family: var(--display);
  font-size: clamp(4rem, 11vw, 10rem);
  font-weight: 300;
  line-height: 0.95;
  letter-spacing: -0.04em;
  color: var(--ink);
  margin-bottom: 1.5rem;
}

.hero-title .accent {
  color: var(--terracotta);
  font-style: italic;
  font-weight: 400;
}

.hero-subtitle {
  font-family: var(--display);
  font-style: italic;
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  font-weight: 400;
  color: var(--terracotta-deep);
  margin-bottom: 2rem;
  line-height: 1.3;
}

.hero-tagline {
  font-family: var(--serif);
  font-size: 1.05rem;
  color: var(--ink-soft);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 3rem;
  font-weight: 400;
}

.hero-cta {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-top: 2rem;
}

/* Illustration calebasse */
.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.calebasse-illustration {
  width: 100%;
  max-width: 420px;
  height: auto;
  filter: drop-shadow(0 30px 60px rgba(92, 46, 14, 0.15));
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0); }
  50% { transform: translateY(-12px) rotate(-1deg); }
}

/* ============== BOUTONS ============== */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 1rem 2rem;
  font-family: var(--serif);
  font-size: 0.95rem;
  font-weight: 400;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  cursor: pointer;
  border: none;
  transition: all 0.3s ease;
  text-decoration: none;
  position: relative;
}

.btn-primary {
  background: var(--ink);
  color: var(--paper);
  border-bottom: none;
}

.btn-primary:hover {
  background: var(--terracotta-deep);
  color: var(--paper);
  border-bottom: none;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(26, 22, 18, 0.2);
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-bottom: 1px solid var(--ink) !important;
  padding: 1rem 0;
  letter-spacing: 0.08em;
}

.btn-ghost:hover {
  color: var(--terracotta);
  border-bottom-color: var(--terracotta) !important;
}

.btn-ghost::after {
  content: '→';
  font-size: 1.1em;
  transition: transform 0.3s;
}

.btn-ghost:hover::after { transform: translateX(4px); }

/* ============== PROVERBE — PIÈCE MAÎTRESSE ============== */

.proverbe-section {
  background: var(--ink);
  color: var(--paper);
  padding: 9rem 0;
  position: relative;
  overflow: hidden;
}

.proverbe-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 30% 50%, rgba(139, 69, 19, 0.25) 0%, transparent 60%),
    radial-gradient(ellipse at 70% 30%, rgba(184, 134, 11, 0.12) 0%, transparent 50%);
  z-index: 0;
}

.proverbe-section .container {
  text-align: center;
}

.proverbe-eyebrow {
  font-family: var(--serif);
  font-size: 0.85rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold-light);
  margin-bottom: 2.5rem;
  font-weight: 400;
}

.proverbe-text {
  font-family: var(--proverb);
  font-style: italic;
  font-size: clamp(2.4rem, 5.5vw, 5rem);
  line-height: 1.15;
  font-weight: 300;
  color: var(--paper);
  margin-bottom: 1.8rem;
  letter-spacing: -0.01em;
}

.proverbe-translation {
  font-family: var(--display);
  font-size: clamp(1.3rem, 2.4vw, 1.9rem);
  font-weight: 300;
  color: var(--gold-light);
  font-style: italic;
  margin-bottom: 3.5rem;
}

.proverbe-source {
  font-family: var(--serif);
  font-size: 0.95rem;
  color: rgba(245, 240, 232, 0.55);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* ============== SECTIONS ÉDITORIALES ============== */

.section-eyebrow {
  font-family: var(--serif);
  font-size: 0.85rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--terracotta);
  margin-bottom: 1.5rem;
  font-weight: 600;
  display: inline-block;
  border-bottom: 1px solid var(--terracotta);
  padding-bottom: 0.3rem;
}

.section-title {
  font-family: var(--display);
  font-size: clamp(2.2rem, 4.5vw, 3.6rem);
  line-height: 1.05;
  font-weight: 300;
  margin-bottom: 2rem;
  letter-spacing: -0.02em;
}

.section-title em {
  color: var(--terracotta);
  font-style: italic;
}

.section-lead {
  font-family: var(--display);
  font-size: clamp(1.3rem, 2vw, 1.65rem);
  line-height: 1.45;
  color: var(--ink-soft);
  font-weight: 300;
  font-style: italic;
  margin-bottom: 3rem;
  max-width: 50ch;
}

/* ============== GRILLE QUATRE COMPOSANTES ============== */

.composantes-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
  margin-top: 4rem;
}

@media (max-width: 768px) {
  .composantes-grid { grid-template-columns: 1fr; }
}

.composante {
  padding: 3rem 2.5rem;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--paper);
  transition: background 0.4s ease;
  position: relative;
}

.composante:hover {
  background: var(--paper-warm);
}

.composante-number {
  font-family: var(--display);
  font-size: 0.85rem;
  letter-spacing: 0.25em;
  color: var(--terracotta);
  font-weight: 500;
  margin-bottom: 1rem;
}

.composante-title {
  font-family: var(--display);
  font-size: 1.8rem;
  font-weight: 400;
  margin-bottom: 1rem;
  line-height: 1.15;
}

.composante-title em {
  font-style: italic;
  color: var(--terracotta-deep);
}

.composante-text {
  font-family: var(--serif);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--ink-soft);
}

/* ============== ENQUÊTE / COMPTEUR ============== */

.enquete-section {
  background: var(--paper-warm);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.enquete-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 4rem;
  align-items: center;
}

@media (max-width: 900px) {
  .enquete-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
}

.compteur {
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 3rem 2.5rem;
  text-align: center;
  position: relative;
}

.compteur::before {
  content: '';
  position: absolute;
  top: 12px;
  left: 12px;
  right: 12px;
  bottom: 12px;
  border: 1px solid var(--line);
  pointer-events: none;
}

.compteur-number {
  font-family: var(--display);
  font-size: clamp(4rem, 9vw, 6.5rem);
  font-weight: 300;
  color: var(--terracotta);
  line-height: 1;
  letter-spacing: -0.04em;
}

.compteur-label {
  font-family: var(--serif);
  font-size: 0.9rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-top: 1rem;
}

.compteur-sub {
  font-family: var(--display);
  font-style: italic;
  font-size: 1.1rem;
  color: var(--terracotta-deep);
  margin-top: 1.5rem;
}

/* ============== CONSORTIUM ============== */

.consortium-section {
  background: var(--paper);
}

.consortium-list {
  margin-top: 3rem;
}

.consortium-item {
  display: grid;
  grid-template-columns: 80px 1fr auto;
  gap: 2rem;
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--line);
  align-items: center;
}

@media (max-width: 768px) {
  .consortium-item {
    grid-template-columns: 60px 1fr;
  }
  .consortium-item .badge {
    grid-column: 1 / -1;
    justify-self: start;
    margin-top: 0.5rem;
  }
}

.consortium-number {
  font-family: var(--display);
  font-size: 3rem;
  color: var(--terracotta);
  font-weight: 300;
  line-height: 1;
}

.consortium-name {
  font-family: var(--display);
  font-size: 1.6rem;
  font-weight: 500;
  margin-bottom: 0.3rem;
}

.consortium-role {
  font-family: var(--serif);
  font-size: 0.95rem;
  color: var(--ink-soft);
  font-style: italic;
}

.badge {
  font-family: var(--serif);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 0.4rem 1rem;
  background: var(--terracotta);
  color: var(--paper);
  font-weight: 600;
}

.badge.muted {
  background: transparent;
  color: var(--ink-soft);
  border: 1px solid var(--line);
}

/* ============== CITATIONS / TÉMOIGNAGES ============== */

.citation {
  border-left: 3px solid var(--terracotta);
  padding: 1rem 0 1rem 2rem;
  margin: 2.5rem 0;
  font-family: var(--display);
  font-size: 1.25rem;
  font-style: italic;
  color: var(--ink-soft);
  line-height: 1.5;
}

/* ============== FOOTER ============== */

.site-footer {
  background: var(--ink);
  color: var(--paper-dim);
  padding: 5rem 0 2rem;
  position: relative;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 4rem;
  margin-bottom: 4rem;
}

@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr; gap: 2.5rem; }
}

.footer-brand {
  font-family: var(--display);
  font-size: 2.5rem;
  font-weight: 400;
  color: var(--paper);
  margin-bottom: 1rem;
  display: block;
}

.footer-tagline {
  font-family: var(--display);
  font-style: italic;
  font-size: 1.1rem;
  color: var(--gold-light);
  margin-bottom: 1.5rem;
}

.footer-mission {
  font-family: var(--serif);
  font-size: 0.95rem;
  line-height: 1.65;
  color: rgba(245, 240, 232, 0.7);
  max-width: 42ch;
}

.footer-col h4 {
  font-family: var(--serif);
  font-size: 0.8rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold-light);
  margin-bottom: 1.5rem;
  font-weight: 600;
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: 0.8rem;
}

.footer-col a {
  color: var(--paper-dim);
  font-size: 0.95rem;
  border: none;
  transition: color 0.3s;
}

.footer-col a:hover {
  color: var(--gold-light);
  border: none;
}

.footer-bottom {
  border-top: 1px solid rgba(245, 240, 232, 0.1);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-family: var(--serif);
  font-size: 0.85rem;
  color: rgba(245, 240, 232, 0.5);
}

/* ============== ANIMATIONS REVEAL ============== */

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============== PAGE CONTENT (sous-pages) ============== */

.page-hero {
  padding-top: 9rem;
  padding-bottom: 4rem;
  background: linear-gradient(180deg, var(--paper) 0%, var(--paper-warm) 100%);
  border-bottom: 1px solid var(--line);
}

.page-hero h1 {
  font-size: clamp(3rem, 7vw, 5.5rem);
  margin-bottom: 1rem;
  font-weight: 300;
}

.page-hero .lead {
  font-family: var(--display);
  font-style: italic;
  font-size: clamp(1.3rem, 2vw, 1.7rem);
  color: var(--terracotta-deep);
  max-width: 60ch;
  font-weight: 300;
}

.prose {
  max-width: 720px;
  margin: 0 auto;
  font-family: var(--serif);
  font-size: 1.1rem;
  line-height: 1.85;
  color: var(--ink);
}

.prose h2 {
  font-family: var(--display);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  margin: 3.5rem 0 1.5rem;
  font-weight: 400;
}

.prose h3 {
  font-family: var(--display);
  font-size: 1.5rem;
  margin: 2.5rem 0 1rem;
  font-weight: 500;
  color: var(--terracotta-deep);
}

.prose p { margin-bottom: 1.4em; }

.prose blockquote {
  border-left: 3px solid var(--terracotta);
  padding-left: 2rem;
  margin: 2rem 0;
  font-family: var(--display);
  font-size: 1.4rem;
  font-style: italic;
  color: var(--ink-soft);
  line-height: 1.5;
}

.prose ul {
  margin: 1.5rem 0;
  padding-left: 1.5rem;
}

.prose ul li {
  margin-bottom: 0.7rem;
  padding-left: 0.5rem;
}

.prose ul li::marker {
  color: var(--terracotta);
  font-weight: bold;
}

/* ============== FORMULAIRE ENQUÊTE ============== */

.form-section {
  padding: 4rem 0;
}

.form-card {
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 3rem;
  max-width: 720px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: 2rem;
}

.form-label {
  display: block;
  font-family: var(--display);
  font-size: 1.15rem;
  font-weight: 500;
  margin-bottom: 0.8rem;
  color: var(--ink);
}

.form-help {
  font-family: var(--serif);
  font-size: 0.9rem;
  font-style: italic;
  color: var(--ink-soft);
  margin-bottom: 0.8rem;
}

.form-input, .form-textarea, .form-select {
  width: 100%;
  padding: 0.9rem 1rem;
  font-family: var(--serif);
  font-size: 1rem;
  border: 1px solid var(--line);
  background: var(--paper-warm);
  color: var(--ink);
  transition: all 0.3s;
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
  outline: none;
  border-color: var(--terracotta);
  background: var(--paper);
}

.form-textarea { resize: vertical; min-height: 100px; }

.form-radio-group {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.form-radio {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  padding: 0.8rem 1rem;
  border: 1px solid var(--line);
  background: var(--paper-warm);
  cursor: pointer;
  transition: all 0.3s;
}

.form-radio:hover {
  background: var(--paper);
  border-color: var(--terracotta-light);
}

.form-radio input { margin-top: 0.3rem; accent-color: var(--terracotta); }

.form-radio span {
  font-family: var(--serif);
  font-size: 0.98rem;
  line-height: 1.5;
}