:root {
  --forest: #22403d;
  --forest-dark: #172d2a;
  --cream: #f6f1e7;
  --cream-alt: #efe8d8;
  --gold: #c89b4a;
  --text: #22403d;
  --text-muted: #5a6b68;

  --font-title: "Space Grotesk", sans-serif;
  --font-body: "Lora", serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--cream);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.7;
}

h1, h2, h3 {
  font-family: var(--font-title);
  font-weight: 500;
  margin: 0;
}

a { color: inherit; }

/* NAVBAR */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2rem;
  background: rgba(246, 241, 231, 0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(34, 64, 61, 0.1);
}

.nav-logo {
  font-family: var(--font-title);
  font-weight: 700;
  color: var(--forest);
  font-size: 1.1rem;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 1.8rem;
  margin: 0;
  padding: 0;
}

.nav-link {
  text-decoration: none;
  font-family: var(--font-title);
  font-size: 0.85rem;
  color: var(--text-muted);
  padding-bottom: 4px;
  border-bottom: 2px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}

.nav-link:hover, .nav-link.active {
  color: var(--forest);
  border-color: var(--gold);
}

.nav-burger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 4px;
}

.nav-burger span {
  width: 22px;
  height: 2px;
  background: var(--forest);
}

/* HERO */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  background: linear-gradient(180deg, var(--cream) 0%, var(--cream-alt) 100%);
}

.hero-content { text-align: center; max-width: 640px; }

.hero-eyebrow {
  font-family: var(--font-title);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-size: 0.8rem;
  color: var(--gold);
  margin-bottom: 0.5rem;
}

.hero-title {
  font-size: clamp(2.2rem, 6vw, 3.6rem);
  color: var(--forest);
}

.hero-title-sub { color: var(--text-muted); }

.hero-subtitle {
  margin-top: 1.2rem;
  font-style: italic;
  color: var(--text-muted);
  font-size: 1.1rem;
}

.hero-cta {
  display: inline-block;
  margin-top: 2rem;
  text-decoration: none;
  font-family: var(--font-title);
  color: var(--cream);
  background: var(--forest);
  padding: 0.8rem 1.6rem;
  border-radius: 999px;
  transition: background 0.2s, transform 0.2s;
}

.hero-cta:hover { background: var(--forest-dark); transform: translateY(-2px); }

/* SECTIONS */
.section { padding: 6rem 2rem; }
.section--alt { background: var(--cream-alt); }

.section-inner { max-width: 900px; margin: 0 auto; }

.section-eyebrow {
  font-family: var(--font-title);
  color: var(--gold);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  margin-bottom: 0.3rem;
}

.section-title {
  font-size: 2rem;
  color: var(--forest);
  margin-bottom: 3rem;
}

/* TIMELINE */
.timeline {
  position: relative;
  padding-left: 2.5rem;
  border-left: 2px solid rgba(34, 64, 61, 0.2);
}

.timeline-item {
  position: relative;
  margin-bottom: 2.5rem;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.timeline-item.visible { opacity: 1; transform: translateY(0); }

.timeline-dot {
  position: absolute;
  left: -2.9rem;
  top: 0.3rem;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--gold);
  border: 3px solid var(--cream);
  box-shadow: 0 0 0 2px var(--forest);
}

.timeline-card {
  background: #fff;
  border-radius: 12px;
  padding: 1.2rem 1.5rem;
  box-shadow: 0 2px 10px rgba(34, 64, 61, 0.06);
}

.timeline-card h3 { font-size: 1.1rem; color: var(--forest); margin-bottom: 0.3rem; }
.timeline-card p { margin: 0; color: var(--text-muted); }

/* CAROUSEL */
.carousel-wrapper {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.carousel {
  display: flex;
  gap: 1.5rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  padding: 0.5rem;
  flex: 1;
}

.carousel::-webkit-scrollbar { display: none; }

.project-card {
  scroll-snap-align: start;
  flex: 0 0 280px;
  background: #fff;
  border-radius: 16px;
  padding: 1.8rem;
  box-shadow: 0 4px 16px rgba(34, 64, 61, 0.08);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.project-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 24px rgba(34, 64, 61, 0.14);
}

.project-card--placeholder { opacity: 0.6; border: 1px dashed rgba(34, 64, 61, 0.3); box-shadow: none; }

.project-card-tag {
  display: inline-block;
  font-family: var(--font-title);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: var(--forest);
  color: var(--cream);
  padding: 0.25rem 0.7rem;
  border-radius: 999px;
  margin-bottom: 0.9rem;
}

.project-card h3 { font-size: 1.2rem; color: var(--forest); margin-bottom: 0.5rem; }
.project-card p { margin: 0; color: var(--text-muted); font-size: 0.95rem; }

.carousel-btn {
  border: none;
  background: var(--forest);
  color: var(--cream);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  font-size: 1.3rem;
  cursor: pointer;
  flex-shrink: 0;
  transition: background 0.2s;
}

.carousel-btn:hover { background: var(--forest-dark); }

/* TAGS GRID */
.tags-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
}

.tag {
  background: #fff;
  border: 1px solid rgba(34, 64, 61, 0.15);
  padding: 0.6rem 1.1rem;
  border-radius: 999px;
  font-size: 0.9rem;
  color: var(--forest);
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

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

/* BADGES */
.badges-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.2rem;
}

.badge {
  background: #fff;
  border-left: 3px solid var(--gold);
  padding: 1.2rem 1.5rem;
  border-radius: 8px;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.badge.visible { opacity: 1; transform: translateY(0); }
.badge h3 { font-size: 1rem; color: var(--forest); }
.badge p { margin: 0.3rem 0 0; font-size: 0.85rem; color: var(--text-muted); }

/* FOOTER */
.footer {
  text-align: center;
  padding: 3rem 2rem;
  background: var(--forest);
  color: var(--cream-alt);
}

.footer a { text-decoration: underline; }
.footer-links { margin-top: 0.5rem; }
.footer-credit { font-size: 0.75rem; opacity: 0.6; margin-top: 1.5rem; }

/* REVEAL (générique, pour le hero) */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* RESPONSIVE */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-burger { display: flex; }
  .section { padding: 4rem 1.2rem; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; scroll-behavior: auto !important; }
}