/* ============================================
   LA MONTGOLFIÈRE PARIS — DESIGN SYSTEM
   ============================================ */

/* --- Variables --- */
:root {
  --bg:        #FFFDDF;
  --text:      #4A3B36;
  --accent:    #FE744D;
  --gold:      #E6B84A;
  --footer-bg: #2F2623;
  --footer-text: #EDE8D8;
  --muted:     #9A8880;
  --border:    #DDD8C0;

  --font-serif: Georgia, 'Times New Roman', serif;
  --font-body:  Georgia, serif;

  --space-xs:  0.5rem;
  --space-sm:  1rem;
  --space-md:  2rem;
  --space-lg:  4rem;
  --space-xl:  7rem;

  --max-w: 1100px;
  --radius: 2px;

  --transition: 0.25s ease;
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

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

ul { list-style: none; }

/* --- Typography --- */
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: normal;
  line-height: 1.2;
  color: var(--text);
}

h1 { font-size: clamp(2.2rem, 5vw, 4rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.6rem, 3vw, 2.5rem); letter-spacing: -0.01em; }
h3 { font-size: clamp(1.2rem, 2vw, 1.6rem); }
h4 { font-size: 1.1rem; }

p { margin-bottom: 1.2em; max-width: 68ch; }
p:last-child { margin-bottom: 0; }

.label {
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  font-family: var(--font-serif);
}

/* --- Layout --- */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

section {
  padding: var(--space-lg) 0;
}

.section-header {
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--border);
}

.section-header .label { margin-bottom: 0.5rem; display: block; }

/* --- Header / Nav --- */
#header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--transition);
}

#header.scrolled {
  box-shadow: 0 2px 20px rgba(74,59,54,0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  padding: 0 var(--space-md);
  max-width: var(--max-w);
  margin: 0 auto;
}

.site-logo {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  letter-spacing: 0.04em;
  color: var(--text);
  font-weight: normal;
  white-space: nowrap;
}

.site-logo span {
  color: var(--accent);
}

nav ul {
  display: flex;
  gap: var(--space-md);
}

nav a {
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text);
  position: relative;
  padding-bottom: 2px;
  transition: color var(--transition);
}

nav a::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 0; height: 1px;
  background: var(--accent);
  transition: width var(--transition);
}

nav a:hover { color: var(--accent); }
nav a:hover::after,
nav a.active::after { width: 100%; }
nav a.active { color: var(--accent); }

/* Burger */
.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.burger span {
  display: block;
  width: 24px; height: 1px;
  background: var(--text);
  transition: transform var(--transition), opacity var(--transition);
}

.burger.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* Mobile nav */
@media (max-width: 768px) {
  .burger { display: flex; }
  nav {
    position: fixed;
    top: 64px; left: 0; right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    transform: translateY(-100%);
    opacity: 0;
    transition: transform 0.3s ease, opacity 0.3s ease;
    pointer-events: none;
    z-index: 99;
  }
  nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  nav ul {
    flex-direction: column;
    gap: 0;
    padding: var(--space-sm) 0;
  }
  nav a {
    display: block;
    padding: 0.9rem var(--space-md);
    font-size: 0.9rem;
  }
}

/* --- Hero --- */
.hero {
  margin-top: 64px;
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, #3a2e2a 0%, #1a1210 100%);
}

/* Placeholder svg pattern for hero */
.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 70% 40%, rgba(254,116,77,0.18) 0%, transparent 60%),
    radial-gradient(ellipse 50% 80% at 20% 80%, rgba(230,184,74,0.10) 0%, transparent 55%);
}

.hero-img {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0.55;
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: var(--space-lg) var(--space-md);
  max-width: var(--max-w);
  margin: 0 auto;
  width: 100%;
}

.hero-label {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(255,253,223,0.6);
  margin-bottom: var(--space-sm);
}

.hero h1 {
  color: #FFFDDF;
  font-size: clamp(2.8rem, 7vw, 6rem);
  margin-bottom: var(--space-sm);
  text-shadow: 0 2px 40px rgba(0,0,0,0.3);
}

.hero-baseline {
  color: rgba(255,253,223,0.75);
  font-size: clamp(1rem, 2vw, 1.3rem);
  font-style: italic;
  margin-bottom: var(--space-md);
  max-width: 50ch;
}

/* --- Buttons --- */
.btn {
  display: inline-block;
  padding: 0.75rem 2rem;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-family: var(--font-serif);
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
  border-radius: var(--radius);
}

.btn-primary {
  background: var(--accent);
  color: #FFFDDF;
  border: 1px solid var(--accent);
}
.btn-primary:hover {
  background: #e8623d;
  border-color: #e8623d;
}

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--text);
}
.btn-outline:hover {
  background: var(--text);
  color: var(--bg);
}

.btn-light {
  background: transparent;
  color: #FFFDDF;
  border: 1px solid rgba(255,253,223,0.5);
}
.btn-light:hover {
  background: rgba(255,253,223,0.12);
}

/* --- Cards — spectacles --- */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-md);
}

.card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--border);
  overflow: hidden;
  transition: box-shadow var(--transition), transform var(--transition);
}

.card:hover {
  box-shadow: 0 8px 32px rgba(74,59,54,0.12);
  transform: translateY(-3px);
}

.card-img {
  aspect-ratio: 4/3;
  background: #2F2623;
  overflow: hidden;
  position: relative;
}

.card-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.card:hover .card-img img {
  transform: scale(1.04);
}

/* Placeholder théâtre */
.card-img-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #2F2623 0%, #4A3B36 100%);
}

.card-img-placeholder svg {
  opacity: 0.2;
}

.card-body {
  padding: 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.card-type {
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.card-body h3 {
  margin-bottom: 0.75rem;
  font-size: 1.3rem;
}

.card-body p {
  font-size: 0.9rem;
  color: var(--muted);
  flex: 1;
  margin-bottom: 1.2rem;
}

.card-link {
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  border-bottom: 1px solid var(--accent);
  display: inline-block;
  padding-bottom: 1px;
  transition: opacity var(--transition);
}
.card-link:hover { opacity: 0.7; }

/* --- Troupe grid --- */
.troupe-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: var(--space-md);
}

.member-card {
  text-align: center;
}

.member-photo {
  aspect-ratio: 3/4;
  overflow: hidden;
  background: #DDD8C0;
  margin-bottom: 1rem;
  position: relative;
}

.member-photo img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.member-card:hover .member-photo img {
  transform: scale(1.03);
}

.member-photo-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(160deg, #DDD8C0 0%, #C8C0A8 100%);
}

.member-photo-placeholder .initials {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  color: #9A8880;
  font-style: italic;
}

.member-name {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  margin-bottom: 0.3rem;
}

.member-role {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.6rem;
}

.member-bio {
  font-size: 0.87rem;
  color: var(--muted);
  max-width: 28ch;
  margin: 0 auto;
}

/* --- Gallery lightbox --- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 0.5rem;
}

.gallery-item {
  aspect-ratio: 4/3;
  overflow: hidden;
  cursor: pointer;
  background: #2F2623;
  position: relative;
}

.gallery-item img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.gallery-item:hover img {
  transform: scale(1.06);
  opacity: 0.85;
}

/* Lightbox */
#lightbox {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(30,20,15,0.92);
  z-index: 999;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

#lightbox.active { display: flex; }

#lightbox img {
  max-width: 90vw;
  max-height: 88vh;
  object-fit: contain;
  cursor: default;
}

#lightbox-close {
  position: absolute;
  top: 1.5rem; right: 2rem;
  background: none;
  border: none;
  color: #FFFDDF;
  font-size: 2rem;
  cursor: pointer;
  line-height: 1;
}

/* --- Contact form --- */
.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.4rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border);
  padding: 0.6rem 0;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--text);
  outline: none;
  transition: border-color var(--transition);
  border-radius: 0;
}

.form-group input:focus,
.form-group textarea:focus {
  border-bottom-color: var(--accent);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-msg {
  margin-top: var(--space-sm);
  font-style: italic;
  color: var(--accent);
  font-size: 0.9rem;
}

/* --- Page hero (inner pages) --- */
.page-hero {
  margin-top: 64px;
  padding: var(--space-lg) 0 var(--space-md);
  border-bottom: 1px solid var(--border);
}

.page-hero .label { display: block; margin-bottom: 0.6rem; }

/* --- Text-image split --- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: center;
}

@media (max-width: 768px) {
  .split { grid-template-columns: 1fr; gap: var(--space-md); }
  .split-img { order: -1; }
}

.split-img {
  aspect-ratio: 4/5;
  overflow: hidden;
  background: var(--border);
  position: relative;
}

.split-img img {
  width: 100%; height: 100%;
  object-fit: cover;
}

.split-img-placeholder {
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, #DDD8C0 0%, #C8C0A8 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* --- Spectacle individual --- */
.spectacle-hero-img {
  margin-top: 64px;
  aspect-ratio: 21/9;
  overflow: hidden;
  background: #2F2623;
  position: relative;
}

.spectacle-hero-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0.8;
}

.spectacle-hero-img-placeholder {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #2F2623 0%, #4A3B36 50%, #2F2623 100%);
  display: flex; align-items: center; justify-content: center;
}

.spectacle-meta {
  display: flex;
  gap: var(--space-md);
  align-items: center;
  margin-top: var(--space-sm);
  padding-top: var(--space-sm);
  border-top: 1px solid var(--border);
}

.dates-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.date-item {
  display: flex;
  gap: 1.5rem;
  align-items: baseline;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}

.date-item .date { font-weight: normal; font-style: italic; }
.date-item .lieu { color: var(--muted); font-size: 0.9rem; }

/* --- Actualités vide --- */
.empty-state {
  text-align: center;
  padding: var(--space-xl) var(--space-md);
  color: var(--muted);
}

.empty-state .empty-icon {
  font-size: 3rem;
  margin-bottom: var(--space-sm);
  opacity: 0.3;
}

.empty-state h3 { color: var(--muted); margin-bottom: 0.5rem; }
.empty-state p { margin: 0 auto; max-width: 40ch; font-size: 0.9rem; }

/* --- Footer --- */
#footer {
  background: var(--footer-bg);
  color: var(--footer-text);
  padding: var(--space-lg) 0 var(--space-md);
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

@media (max-width: 640px) {
  .footer-inner { grid-template-columns: 1fr; gap: var(--space-md); }
}

.footer-brand .site-logo {
  color: var(--footer-text);
  font-size: 1.1rem;
  display: block;
  margin-bottom: 0.75rem;
}

.footer-brand p {
  font-size: 0.87rem;
  color: rgba(237,232,216,0.55);
  max-width: 32ch;
}

.footer-col h4 {
  color: var(--footer-text);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 1rem;
  opacity: 0.5;
}

.footer-col a,
.footer-col address {
  display: block;
  font-style: normal;
  font-size: 0.87rem;
  color: rgba(237,232,216,0.7);
  margin-bottom: 0.5rem;
  transition: color var(--transition);
}

.footer-col a:hover { color: var(--footer-text); }

.footer-bottom {
  border-top: 1px solid rgba(237,232,216,0.1);
  padding-top: var(--space-sm);
  font-size: 0.75rem;
  color: rgba(237,232,216,0.3);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* --- Intro section homepage --- */
.intro-section {
  padding: var(--space-xl) 0;
}

.intro-inner {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: var(--space-xl);
  align-items: start;
}

@media (max-width: 880px) {
  .intro-inner { grid-template-columns: 1fr; gap: var(--space-md); }
}

.intro-text p {
  font-size: 1.1rem;
  line-height: 1.8;
}

.intro-aside {
  border-left: 2px solid var(--accent);
  padding-left: var(--space-md);
}

.intro-aside blockquote {
  font-style: italic;
  font-size: 1.15rem;
  color: var(--text);
  line-height: 1.6;
}

/* --- Contact info block --- */
.contact-info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}

@media (max-width: 640px) {
  .contact-info-grid { grid-template-columns: 1fr; }
}

.contact-info-item .label { display: block; margin-bottom: 0.5rem; }
.contact-info-item a {
  font-size: 1.05rem;
  border-bottom: 1px solid var(--border);
  display: inline-block;
  padding-bottom: 2px;
  transition: border-color var(--transition), color var(--transition);
}
.contact-info-item a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* --- Divider --- */
.divider {
  height: 1px;
  background: var(--border);
  border: none;
  margin: var(--space-lg) 0;
}

/* --- Scroll fade-in --- */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: none;
}

/* --- Skip link accessibilité --- */
.skip-link {
  position: absolute;
  top: -100px;
  left: 0;
  background: var(--accent);
  color: #fff;
  padding: 0.5rem 1rem;
  z-index: 9999;
  font-size: 0.85rem;
}
.skip-link:focus { top: 0; }

/* --- Responsive adjustments --- */
@media (max-width: 768px) {
  :root {
    --space-lg: 2.5rem;
    --space-xl: 4rem;
  }
  .hero { min-height: 75vh; }
  .cards-grid { grid-template-columns: 1fr; }
  .spectacle-hero-img { aspect-ratio: 16/9; }
}