/* ============================================================
   Portfolio Tony Chacornac — style.css
   Thème clair : blanc cassé / gris chaud / accent orange
   Typo : IBM Plex Sans (corps) + IBM Plex Mono (données)
   ============================================================ */

:root {
  --bg: #faf9f6;
  --bg-soft: #f2f0ea;
  --card: #ffffff;
  --line: #e5e1d8;
  --text: #21201d;
  --text-dim: #6f6a60;
  --accent: #d4714e;
  --accent-dark: #b85c3c;
  --accent-soft: rgba(212, 113, 78, 0.10);
  --ok: #3d8b5f;
  --warn: #b07d28;
  --maxw: 1120px;
  --radius: 8px;
  --shadow: 0 1px 2px rgba(33, 32, 29, 0.05), 0 6px 22px rgba(33, 32, 29, 0.06);
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: "IBM Plex Sans", system-ui, sans-serif;
  font-weight: 400;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.mono { font-family: "IBM Plex Mono", monospace; }

img { display: block; max-width: 100%; }
a { color: inherit; }
strong { font-weight: 600; }

/* ---------- Nav ---------- */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  display: flex; justify-content: space-between; align-items: center;
  padding: 0 32px; height: 62px;
  background: rgba(250, 249, 246, 0.88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav-logo { font-size: 18px; text-decoration: none; color: var(--accent-dark); font-weight: 500; }
.nav nav { display: flex; gap: 28px; align-items: center; }
.nav nav a {
  text-decoration: none; font-size: 14px; color: var(--text-dim);
  transition: color 0.2s;
}
.nav nav a:hover { color: var(--text); }
.nav-cta {
  border: 1px solid var(--accent); border-radius: var(--radius);
  padding: 6px 14px; color: var(--accent-dark) !important;
}
.nav-cta:hover { background: var(--accent-soft); }

/* ---------- Hero ---------- */
.hero {
  max-width: var(--maxw); margin: 0 auto;
  padding: 150px 32px 70px;
  display: grid; grid-template-columns: 1.4fr 1fr; gap: 60px;
  align-items: center;
}
.eyebrow {
  color: var(--accent-dark); font-size: 13px; letter-spacing: 0.14em;
  text-transform: uppercase; margin-bottom: 18px;
}
h1 {
  font-size: clamp(42px, 6vw, 64px); font-weight: 700;
  letter-spacing: -0.02em; line-height: 1.05; margin-bottom: 22px;
}
.hero-sub { font-size: 19px; color: var(--text-dim); max-width: 54ch; margin-bottom: 34px; }
.hero-sub strong { color: var(--text); }

.spec-sheet {
  border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--card); font-size: 13px;
  overflow: hidden; box-shadow: var(--shadow);
}
.spec-sheet > div {
  display: flex; justify-content: space-between; gap: 20px;
  padding: 10px 16px; border-bottom: 1px solid var(--line);
}
.spec-sheet > div:last-child { border-bottom: none; }
.spec-label { color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.08em; font-size: 11px; padding-top: 2px; }

.hero-photo { position: relative; max-width: 380px; justify-self: end; }
.hero-photo img {
  border-radius: var(--radius);
  border: 1px solid var(--line);
  width: 100%;
  box-shadow: var(--shadow);
}
.photo-caption {
  margin-top: 10px; font-size: 11px; color: var(--text-dim);
  letter-spacing: 0.08em; text-transform: uppercase;
}

/* ---------- Stats ---------- */
.stats {
  max-width: var(--maxw); margin: 0 auto 40px;
  padding: 0 32px;
  display: grid; grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.stat {
  padding: 28px 20px;
  display: flex; flex-direction: column; gap: 4px;
  border-right: 1px solid var(--line);
}
.stat:last-child { border-right: none; }
.stat-num { font-size: 34px; color: var(--accent-dark); font-weight: 500; }
.stat-label { font-size: 13px; color: var(--text-dim); }

/* ---------- Sections ---------- */
.section { max-width: var(--maxw); margin: 0 auto; padding: 80px 32px 20px; }
.section-title {
  font-size: clamp(28px, 4vw, 40px); font-weight: 700; letter-spacing: -0.01em;
  margin-bottom: 50px; display: flex; flex-direction: column; gap: 8px;
}
.section-index {
  color: var(--accent-dark); font-size: 13px; letter-spacing: 0.14em;
  text-transform: uppercase; font-weight: 400;
}

/* ---------- Tuiles projets ---------- */
.tiles {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.tile {
  display: flex; flex-direction: column;
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); overflow: hidden;
  text-decoration: none; box-shadow: var(--shadow);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.tile:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: 0 4px 8px rgba(33,32,29,0.06), 0 14px 34px rgba(33,32,29,0.10);
}
.tile-img { aspect-ratio: 4 / 3; overflow: hidden; background: var(--bg-soft); }
.tile-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.35s ease; }
.tile-img.tile-cad img { object-fit: contain; padding: 12px; }
.tile:hover .tile-img img { transform: scale(1.04); }
.tile-body { padding: 22px 22px 24px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.tile-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; }
.tile-body h3 { font-size: 19px; font-weight: 600; line-height: 1.3; }
.tile-body p { font-size: 14px; color: var(--text-dim); flex: 1; }
.tile-link {
  color: var(--accent-dark); font-size: 13px; font-weight: 500;
  display: inline-flex; align-items: center; gap: 6px; margin-top: 4px;
}
.tile:hover .tile-link { text-decoration: underline; }

.status {
  font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase;
  padding: 4px 10px; border-radius: 20px; white-space: nowrap;
  background: var(--card);
}
.status-active { color: var(--ok); border: 1px solid var(--ok); }
.status-build  { color: var(--warn); border: 1px solid var(--warn); }
.status-deploy { color: var(--accent-dark); border: 1px solid var(--accent); }

/* ---------- Pages projet ---------- */
.project-page { max-width: 880px; margin: 0 auto; padding: 130px 32px 40px; }
.back-link {
  display: inline-flex; gap: 8px; text-decoration: none;
  font-size: 13px; color: var(--text-dim); margin-bottom: 34px;
}
.back-link:hover { color: var(--accent-dark); }
.project-page-head { margin-bottom: 14px; display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.project-page h1 { font-size: clamp(32px, 5vw, 46px); margin-bottom: 0; }
.project-meta { font-size: 13px; color: var(--accent-dark); letter-spacing: 0.06em; margin-bottom: 36px; }
.project-page h2 {
  font-size: 22px; font-weight: 600; margin: 44px 0 14px;
  padding-top: 30px; border-top: 1px solid var(--line);
}
.project-page p { color: var(--text-dim); margin-bottom: 16px; max-width: 68ch; }
.project-page p strong { color: var(--text); }
.project-page ul.plain { color: var(--text-dim); margin: 0 0 16px 22px; }
.project-page ul.plain li { margin-bottom: 6px; }

.figures-explained { display: grid; gap: 14px; margin: 24px 0; }
.figure-row {
  display: grid; grid-template-columns: 130px 1fr; gap: 20px;
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 18px 20px; align-items: center;
}
.figure-row .num { font-size: 26px; color: var(--accent-dark); font-weight: 500; }
.figure-row .exp { font-size: 14px; color: var(--text-dim); }
.figure-row .exp strong { color: var(--text); }

.gallery { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin: 24px 0; }
.frame {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow);
}
.frame img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; cursor: zoom-in; transition: transform .35s ease; }
.frame:hover img { transform: scale(1.02); }
.frame-cad img { object-fit: contain; background: #eef0f4; padding: 8px; }
.frame figcaption {
  padding: 8px 12px; font-size: 11px; color: var(--text-dim);
  letter-spacing: 0.06em; text-transform: uppercase;
  border-top: 1px solid var(--line);
}

.skills-line {
  font-size: 13px; color: var(--text-dim);
  border-left: 2px solid var(--accent); padding-left: 14px; margin-top: 26px;
}
.skills-line .mono { color: var(--accent-dark); font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em; }

.project-nav {
  display: flex; justify-content: space-between; gap: 16px;
  margin-top: 60px; padding-top: 26px; border-top: 1px solid var(--line);
}
.project-nav a { text-decoration: none; font-size: 14px; color: var(--text-dim); max-width: 45%; }
.project-nav a:hover { color: var(--accent-dark); }
.project-nav .dir { display: block; font-size: 11px; color: var(--accent-dark); text-transform: uppercase; letter-spacing: 0.08em; }

/* ---------- Méthode ---------- */
.method-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.method {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow);
}
.method h4 { font-size: 17px; font-weight: 600; margin-bottom: 10px; display: flex; gap: 12px; align-items: baseline; }
.method h4 .mono { color: var(--accent-dark); font-size: 13px; }
.method p { color: var(--text-dim); font-size: 15px; }

/* ---------- Timeline ---------- */
.timeline { border-left: 1px solid var(--line); margin-left: 6px; }
.tl-item {
  display: grid; grid-template-columns: 130px 1fr; gap: 24px;
  padding: 0 0 40px 28px; position: relative;
}
.tl-item::before {
  content: ""; position: absolute; left: -5px; top: 8px;
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--bg); border: 2px solid var(--accent);
}
.tl-date { color: var(--accent-dark); font-size: 13px; padding-top: 2px; }
.tl-item h4 { font-size: 18px; font-weight: 600; margin-bottom: 6px; }
.tl-item p { color: var(--text-dim); font-size: 15px; }

/* ---------- Contact ---------- */
.contact { text-align: center; padding-bottom: 100px; }
.contact h2 { font-size: clamp(30px, 4vw, 44px); font-weight: 700; margin-bottom: 16px; }
.contact p { color: var(--text-dim); max-width: 52ch; margin: 0 auto 32px; }
.contact-links { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.btn {
  display: inline-block; text-decoration: none;
  background: var(--accent); color: #fff; font-size: 14px;
  padding: 12px 24px; border-radius: var(--radius);
  transition: background 0.2s;
}
.btn:hover { background: var(--accent-dark); }
.btn-ghost { background: transparent; color: var(--text); border: 1px solid var(--line); }
.btn-ghost:hover { background: var(--accent-soft); border-color: var(--accent); color: var(--accent-dark); }

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid var(--line);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px;
  padding: 24px 32px; font-size: 12px; color: var(--text-dim);
  max-width: var(--maxw); margin: 0 auto;
}

/* ---------- Lightbox ---------- */
.lightbox {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(33, 32, 29, 0.92);
  display: none; align-items: center; justify-content: center;
  padding: 40px;
}
.lightbox.open { display: flex; }
.lightbox img { max-width: 92vw; max-height: 88vh; border-radius: var(--radius); }
.lightbox-close {
  position: absolute; top: 20px; right: 28px;
  background: none; border: none; color: #fff;
  font-size: 40px; cursor: pointer; line-height: 1;
}

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .frame img, .tile, .tile-img img { transition: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; padding-top: 110px; gap: 40px; }
  .hero-photo { justify-self: start; max-width: 340px; }
  .stats { grid-template-columns: 1fr; }
  .stat { border-right: none; border-bottom: 1px solid var(--line); }
  .stat:last-child { border-bottom: none; }
  .tiles { grid-template-columns: 1fr; }
  .method-grid { grid-template-columns: 1fr; }
  .tl-item { grid-template-columns: 1fr; gap: 6px; }
  .gallery { grid-template-columns: 1fr; }
  .figure-row { grid-template-columns: 90px 1fr; }
}
@media (max-width: 560px) {
  .nav { padding: 0 18px; }
  .nav nav { gap: 16px; }
  .nav nav a:not(.nav-cta) { display: none; }
  .section, .hero, .project-page { padding-left: 18px; padding-right: 18px; }
  .stats { padding: 0 18px; }
}