/* ============================================
   VARIABLES & RESET
============================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:       #0a0a0a;
  --surface:  #111111;
  --card:     #161616;
  --border:   rgba(255,255,255,0.08);
  --border-h: rgba(255,255,255,0.18);
  --text:     #f0ede6;
  --muted:    #888888;
  --accent:   #2da9dc;
  --accent2:  #25e445;
  --gold:     #c8a96e;
  --font-d:   'Playfair Display', serif;
  --font-b:   'DM Sans', sans-serif;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-b);
  font-weight: 300;
  line-height: 1.6;
}

/* ============================================
   NAVIGATION
============================================ */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 4rem;
  background: rgba(10,10,10,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 0.5px solid var(--border);
}

.nav-logo {
  font-family: var(--font-d);
  font-size: 1rem;
  color: var(--text);
  text-decoration: none;
  letter-spacing: 0.02em;
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s;
}

.nav-links a:hover { color: var(--text); }

/* ============================================
   HERO
============================================ */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 0 4rem 6rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 55% at 65% 35%, rgba(45,169,220,0.07) 0%, transparent 65%),
    radial-gradient(ellipse 40% 40% at 15% 80%, rgba(37,228,69,0.04) 0%, transparent 60%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  top: 0; right: 8rem;
  width: 0.5px;
  height: 100%;
  background: linear-gradient(to bottom, transparent 10%, var(--border) 40%, transparent 90%);
}

.hero-eyebrow {
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
  animation: fadeUp 0.8s ease both;
}

.hero-title {
  font-family: var(--font-d);
  font-size: clamp(3.5rem, 8vw, 7rem);
  font-weight: 400;
  line-height: 1.05;
  margin-bottom: 2rem;
  animation: fadeUp 0.8s 0.1s ease both;
}

.hero-title em { font-style: italic; color: var(--gold); }

.hero-desc {
  max-width: 460px;
  font-size: 1rem;
  color: var(--muted);
  line-height: 1.85;
  margin-bottom: 3rem;
  animation: fadeUp 0.8s 0.2s ease both;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text);
  text-decoration: none;
  border: 0.5px solid var(--border-h);
  padding: 0.9rem 2rem;
  border-radius: 2px;
  transition: border-color 0.25s, background 0.25s;
  animation: fadeUp 0.8s 0.3s ease both;
  width: fit-content;
}

.hero-cta:hover {
  background: rgba(255,255,255,0.04);
  border-color: var(--accent);
}

.arrow-icon {
  display: inline-block;
  width: 13px; height: 13px;
  border-top: 1.2px solid currentColor;
  border-right: 1.2px solid currentColor;
  transform: rotate(45deg);
  margin-bottom: -2px;
}

.scroll-ind {
  position: absolute;
  bottom: 2.5rem; right: 4rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.68rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted);
}

.scroll-line {
  width: 0.5px; height: 48px;
  background: linear-gradient(to bottom, transparent, var(--muted));
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; }
  50%       { opacity: 1; }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ============================================
   SECTIONS BASE
============================================ */
section { padding: 6rem 4rem; }

.s-label {
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.s-title {
  font-family: var(--font-d);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 400;
  line-height: 1.2;
  margin-bottom: 3.5rem;
}

/* ============================================
   GRILLE PROJETS
============================================ */
.proj-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5px;
  background: var(--border);
  border: 0.5px solid var(--border);
}

/* -----------------------------------------------
   CARTE PROJET
----------------------------------------------- */
.proj-card {
  background: var(--card);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  text-decoration: none;
  color: inherit;
  position: relative;
  overflow: hidden;
  transition: background 0.25s;
}

.proj-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 3px; height: 100%;
  background: var(--accent);
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform 0.3s ease;
}

.proj-card:hover { background: #1c1c1c; }
.proj-card:hover::before { transform: scaleY(1); }

/* Miniature */
.proj-thumb {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: var(--surface);
  border: 0.5px solid var(--border);
  border-radius: 2px;
  overflow: hidden;
}

.proj-thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0.85;
  display: block;
  transition: opacity 0.3s, transform 0.4s;
}

.proj-card:hover .proj-thumb img {
  opacity: 1;
  transform: scale(1.04);
}

/* Placeholder si pas d'image */
.proj-thumb-ph {
  width: 100%; height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-d);
  font-size: 2.5rem;
  font-style: italic;
  color: rgba(255,255,255,0.07);
  background: repeating-linear-gradient(
    45deg,
    transparent, transparent 10px,
    rgba(255,255,255,0.015) 10px, rgba(255,255,255,0.015) 11px
  );
}

/* Méta */
.proj-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.proj-year { font-size: 0.7rem; letter-spacing: 0.12em; color: var(--muted); }

.tags { display: flex; gap: 0.4rem; flex-wrap: wrap; }

.tag {
  font-size: 0.63rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.22rem 0.55rem;
  border-radius: 1px;
  background: rgba(45,169,220,0.1);
  color: var(--accent);
  border: 0.5px solid rgba(45,169,220,0.2);
}

.tag.green {
  background: rgba(37,228,69,0.08);
  color: var(--accent2);
  border-color: rgba(37,228,69,0.2);
}

.tag.purple {
  background: rgba(139, 92, 246, 0.2);
  color: #a78bfa;
  border-color: rgba(139, 92, 246, 0.35);
}

.tag.gold {
  background: rgba(200,169,110,0.1);
  color: var(--gold);
  border-color: rgba(200,169,110,0.2);
}

.proj-name {
  font-family: var(--font-d);
  font-size: 1.35rem;
  font-weight: 400;
  line-height: 1.25;
}

.proj-desc { font-size: 0.84rem; color: var(--muted); line-height: 1.7; }

.proj-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.73rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-top: auto;
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 0.25s, transform 0.25s;
}

.arrow-sm {
  display: inline-block;
  width: 10px; height: 10px;
  border-top: 1px solid currentColor;
  border-right: 1px solid currentColor;
  transform: rotate(45deg);
  margin-bottom: -1px;
}

.proj-card:hover .proj-link { opacity: 1; transform: translateY(0); }

/* ============================================
   À PROPOS
============================================ */
.about-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6rem;
  align-items: center;
}

.about-text p {
  font-size: 1rem;
  color: var(--muted);
  line-height: 1.9;
  margin-bottom: 1.25rem;
}

.stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border);
  border: 0.5px solid var(--border);
  align-self: start;
}

.stat { background: var(--card); padding: 2rem 1.5rem; }

.stat-n {
  font-family: var(--font-d);
  font-size: 2.5rem;
  font-weight: 400;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-l {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ============================================
   CONTACT
============================================ */
.contact-sec {
  background: var(--surface);
  border-top: 0.5px solid var(--border);
}

.contact-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 3rem;
}

.contact-big {
  font-family: var(--font-d);
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 400;
  line-height: 1.1;
}

.contact-big em { font-style: italic; color: var(--gold); }

.contact-right { text-align: right; }

.contact-availability {
  font-size: 0.78rem;
  color: var(--muted);
  margin-bottom: 1rem;
  letter-spacing: 0.05em;
}

.contact-email {
  display: inline-block;
  font-size: 1.05rem;
  color: var(--accent);
  text-decoration: none;
  border-bottom: 0.5px solid var(--accent);
  padding-bottom: 0.25rem;
  transition: opacity 0.2s;
}

.contact-email:hover { opacity: 0.7; }

/* ============================================
   FOOTER
============================================ */
footer {
  padding: 2rem 4rem;
  border-top: 0.5px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.72rem;
  color: var(--muted);
}

/* ============================================
   PHOTO
============================================ */
.about-photo {
  width: 220px;
  height: 280px;
  object-fit: cover;
  border-radius: 16px;
  display: block;
  margin: 0 auto 2rem auto;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

/* ============================================
   RESPONSIVE
============================================ */
@media (max-width: 900px) {
  .about-inner { grid-template-columns: 1fr; gap: 3rem; }
}

@media (max-width: 768px) {
  nav { padding: 1rem 1.5rem; }
  .nav-links { display: none; }
  .hero, section { padding-left: 1.5rem; padding-right: 1.5rem; }
  .hero { padding-bottom: 4rem; }
  .scroll-ind { display: none; }
  .contact-inner { flex-direction: column; align-items: flex-start; }
  .contact-right { text-align: left; }
  footer { flex-direction: column; gap: 0.75rem; text-align: center; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 3rem; }
  .proj-grid  { grid-template-columns: 1fr; }
}