/* ============ Thème ============ */
:root {
  --bg: #f6f4ee;
  --bg-alt: #edeae1;
  --surface: #ffffff;
  --text: #14201b;
  --muted: #5d6a63;
  --line: rgba(20, 32, 27, .12);
  --accent: #1f6b4f;
  --accent-2: #d9a441;
  --accent-ink: #ffffff;
  --shadow: 0 10px 30px rgba(20, 32, 27, .08);
  --radius: 22px;
  --font-body: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-display: 'Fraunces', Georgia, serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0d1512; --bg-alt: #111c18; --surface: #16231e; --text: #eef2ee; --muted: #9db0a6;
    --line: rgba(238, 242, 238, .12); --accent: #4fd19b; --accent-2: #e8b95a; --accent-ink: #07130e;
    --shadow: 0 10px 30px rgba(0, 0, 0, .35); color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0d1512; --bg-alt: #111c18; --surface: #16231e; --text: #eef2ee; --muted: #9db0a6;
  --line: rgba(238, 242, 238, .12); --accent: #4fd19b; --accent-2: #e8b95a; --accent-ink: #07130e;
  --shadow: 0 10px 30px rgba(0, 0, 0, .35); color-scheme: dark;
}

/* ============ Base ============ */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font-family: var(--font-body); font-size: 17px; line-height: 1.65;
  -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3 { font-family: var(--font-display); font-weight: 600; line-height: 1.12; letter-spacing: -.015em; margin: 0; }
h1 { font-size: clamp(2.5rem, 6vw, 4.6rem); }
h1 em { font-style: italic; color: var(--accent); }
h2 { font-size: clamp(1.9rem, 4vw, 3rem); }
h3 { font-size: 1.2rem; }
p { margin: 0 0 1em; }
.wrap { width: min(1120px, 100% - 40px); margin-inline: auto; }
.muted { color: var(--muted); }
.skip { position: absolute; left: -999px; top: 8px; background: var(--accent); color: var(--accent-ink); padding: 8px 14px; border-radius: 8px; z-index: 100; }
.skip:focus { left: 8px; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 6px; }

/* ============ Navigation ============ */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 50; height: 68px;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 max(20px, calc((100% - 1120px) / 2));
  backdrop-filter: blur(14px) saturate(1.4); -webkit-backdrop-filter: blur(14px) saturate(1.4);
  background: color-mix(in srgb, var(--bg) 72%, transparent);
  border-bottom: 1px solid transparent; transition: border-color .3s;
}
.nav.scrolled { border-color: var(--line); }
.brand { display: flex; align-items: center; gap: 10px; font-family: var(--font-display); font-weight: 600; font-size: 1.15rem; text-decoration: none; }
.brand-dot { width: 12px; height: 12px; border-radius: 50%; background: linear-gradient(135deg, var(--accent), var(--accent-2)); }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a { text-decoration: none; font-size: .95rem; color: var(--muted); transition: color .2s; }
.nav-links a:hover { color: var(--text); }
.nav-links a.btn { color: var(--accent-ink); }
.nav-actions { display: flex; align-items: center; gap: 6px; }
.icon-btn {
  width: 42px; height: 42px; border-radius: 50%; border: 1px solid var(--line);
  background: var(--surface); color: var(--text); display: grid; place-items: center; cursor: pointer;
}
.i-moon { display: none; }
:root[data-theme="dark"] .i-sun { display: none; }
:root[data-theme="dark"] .i-moon { display: block; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .i-sun { display: none; }
  :root:not([data-theme="light"]) .i-moon { display: block; }
}
.burger { display: none; position: relative; }
.burger span { position: absolute; left: 12px; right: 12px; height: 2px; background: currentColor; border-radius: 2px; transition: transform .3s; }
.burger span:first-child { top: 16px; }
.burger span:last-child { top: 24px; }
.burger[aria-expanded="true"] span:first-child { transform: translateY(4px) rotate(45deg); }
.burger[aria-expanded="true"] span:last-child { transform: translateY(-4px) rotate(-45deg); }

/* ============ Boutons ============ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 26px; border-radius: 999px; font: 600 1rem var(--font-body);
  text-decoration: none; border: 1px solid transparent; cursor: pointer;
  transition: transform .2s, box-shadow .2s, background .2s;
}
.btn:hover { transform: translateY(-2px); }
.btn-small { padding: 9px 18px; font-size: .92rem; background: var(--accent); color: var(--accent-ink); }
.btn-primary { background: var(--accent); color: var(--accent-ink); box-shadow: 0 8px 22px color-mix(in srgb, var(--accent) 35%, transparent); }
.btn-ghost { background: transparent; border-color: var(--line); color: var(--text); }
.btn-ghost:hover { background: var(--surface); }

/* ============ Hero ============ */
.hero { position: relative; padding: 140px 0 80px; overflow: hidden; }
.glow { position: absolute; border-radius: 50%; filter: blur(90px); opacity: .5; pointer-events: none; }
.glow-a { width: 420px; height: 420px; background: var(--accent); top: -80px; right: -60px; opacity: .28; }
.glow-b { width: 340px; height: 340px; background: var(--accent-2); bottom: -80px; left: -80px; opacity: .22; }
.hero-grid { position: relative; display: grid; grid-template-columns: 1.15fr .85fr; gap: 60px; align-items: center; }
.badge {
  display: inline-flex; align-items: center; gap: 10px; padding: 8px 16px; margin-bottom: 22px;
  border: 1px solid var(--line); background: var(--surface); border-radius: 999px; font-size: .88rem; font-weight: 500;
}
.pulse { width: 9px; height: 9px; border-radius: 50%; background: #2fbf7a; box-shadow: 0 0 0 0 rgba(47, 191, 122, .6); animation: pulse 2s infinite; }
@keyframes pulse { 70% { box-shadow: 0 0 0 10px rgba(47, 191, 122, 0); } 100% { box-shadow: 0 0 0 0 rgba(47, 191, 122, 0); } }
.lead { font-size: 1.15rem; color: var(--muted); max-width: 56ch; margin: 22px 0 30px; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; }
.chips { list-style: none; padding: 0; margin: 28px 0 0; display: flex; flex-wrap: wrap; gap: 10px; }
.chips li { font-size: .88rem; color: var(--muted); padding: 6px 14px; border-radius: 999px; background: color-mix(in srgb, var(--surface) 70%, transparent); border: 1px solid var(--line); }

.hero-photo { position: relative; justify-self: center; width: min(420px, 100%); }
.photo-frame {
  aspect-ratio: 4 / 5; border-radius: 200px 200px 28px 28px; overflow: hidden;
  border: 1px solid var(--line); box-shadow: var(--shadow); background: var(--surface);
}
.photo-frame img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 30%; }
.float-card {
  position: absolute; background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow);
  border-radius: 16px; padding: 12px 16px; display: flex; flex-direction: column; line-height: 1.25;
  animation: float 6s ease-in-out infinite;
}
.float-card strong { font-family: var(--font-display); font-size: 1.5rem; color: var(--accent); }
.float-card span { font-size: .8rem; color: var(--muted); }
.fc-1 { left: -34px; bottom: 90px; }
.fc-2 { right: -26px; top: 70px; animation-delay: -3s; }
@keyframes float { 50% { transform: translateY(-10px); } }

/* ============ Chiffres ============ */
.stats { border-block: 1px solid var(--line); background: var(--bg-alt); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; padding: 38px 0; }
.stat b { display: block; font-family: var(--font-display); font-size: clamp(1.9rem, 3.5vw, 2.7rem); color: var(--accent); line-height: 1.1; }
.stat span { font-size: .92rem; color: var(--muted); display: block; margin-top: 6px; line-height: 1.4; }

/* ============ Sections ============ */
.section { padding: 100px 0; }
.section.alt { background: var(--bg-alt); }
.head { margin-bottom: 44px; max-width: 640px; }
.head .muted { margin-top: 14px; }
.eyebrow { text-transform: uppercase; letter-spacing: .14em; font-size: .78rem; font-weight: 600; color: var(--accent); margin-bottom: 14px; }
.two-col { display: grid; grid-template-columns: 1fr 1.1fr; gap: 60px; align-items: start; }
.prose p { color: var(--muted); }

/* Cartes compétences */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; }
.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px;
  transition: transform .25s, box-shadow .25s;
}
.card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.card p { color: var(--muted); font-size: .96rem; margin: 10px 0 0; }
.ico {
  width: 46px; height: 46px; border-radius: 14px; display: grid; place-items: center; font-size: 1.3rem; margin-bottom: 18px;
  background: color-mix(in srgb, var(--accent) 14%, transparent); color: var(--accent);
}
.tools { margin-top: 44px; }
.tags { list-style: none; padding: 0; margin: 14px 0 0; display: flex; flex-wrap: wrap; gap: 10px; }
.tags li { padding: 8px 16px; border-radius: 999px; border: 1px solid var(--line); background: var(--surface); font-size: .92rem; }

/* Timeline */
.timeline { list-style: none; padding: 0; margin: 0; position: relative; }
.timeline::before { content: ''; position: absolute; left: 7px; top: 8px; bottom: 8px; width: 2px; background: var(--line); }
.timeline > li { position: relative; display: grid; grid-template-columns: 190px 1fr; gap: 24px; padding: 0 0 46px 38px; }
.timeline > li::before {
  content: ''; position: absolute; left: 0; top: 7px; width: 16px; height: 16px; border-radius: 50%;
  background: var(--bg); border: 3px solid var(--accent);
}
.when { font-weight: 600; color: var(--accent); font-size: .95rem; padding-top: 2px; }
.what h3 span { display: block; font-family: var(--font-body); font-weight: 500; font-size: .95rem; color: var(--muted); margin-top: 4px; }
.what p { color: var(--muted); margin: 14px 0 10px; font-size: .98rem; }
.what ul { margin: 0; padding-left: 18px; color: var(--muted); font-size: .96rem; }
.what li { padding: 0 0 4px; display: list-item; grid-template-columns: none; }
.what li::before { display: none; }
.what b { color: var(--text); }
.edu { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 10px; }
.edu > div { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 28px; }
.edu p { margin: 10px 0 0; color: var(--muted); }
.edu b { color: var(--text); }

/* Portfolio */
.filters { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 28px; }
.filters button {
  font: 500 .92rem var(--font-body); padding: 8px 18px; border-radius: 999px; cursor: pointer;
  border: 1px solid var(--line); background: var(--surface); color: var(--muted); transition: all .2s;
}
.filters button[aria-pressed="true"] { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 22px; }
.project {
  display: flex; flex-direction: column; background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); overflow: hidden; text-decoration: none; transition: transform .25s, box-shadow .25s;
}
.project:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.project[hidden] { display: none; }
.cover { aspect-ratio: 16 / 10; position: relative; overflow: hidden; display: grid; place-items: center; }
.cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.project:hover .cover img { transform: scale(1.05); }
.cover .cover-label { font-family: var(--font-display); font-size: 2.6rem; color: rgba(255, 255, 255, .92); letter-spacing: -.02em; }
.project-body { padding: 22px 24px 26px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.project-body .meta { font-size: .8rem; text-transform: uppercase; letter-spacing: .1em; color: var(--accent); font-weight: 600; }
.project-body p { color: var(--muted); font-size: .94rem; margin: 0; }
.project-body .result { margin-top: auto; padding-top: 10px; font-weight: 600; font-size: .92rem; color: var(--text); }
.project-body .more { font-size: .9rem; font-weight: 600; color: var(--accent); }

/* Contact */
.contact { padding-bottom: 110px; }
.contact-box {
  display: grid; grid-template-columns: 1.1fr 1fr; gap: 50px; padding: 54px;
  background: var(--surface); border: 1px solid var(--line); border-radius: 32px; box-shadow: var(--shadow);
}
.contact-intro .lead { margin: 18px 0 26px; }
.contact-actions { display: grid; gap: 12px; margin-bottom: 26px; }
.contact-line {
  display: flex; align-items: center; gap: 16px; text-decoration: none; padding: 14px 18px;
  border: 1px solid var(--line); border-radius: 18px; font-weight: 500; transition: border-color .2s, transform .2s;
}
.contact-line:hover { border-color: var(--accent); transform: translateX(4px); }
.contact-line small { display: block; color: var(--muted); font-size: .78rem; font-weight: 500; }
.ci { width: 44px; height: 44px; border-radius: 14px; display: grid; place-items: center; background: color-mix(in srgb, var(--accent) 14%, transparent); color: var(--accent); flex: none; }
.form { display: grid; gap: 16px; align-content: start; }
.form label { display: grid; gap: 6px; font-size: .9rem; font-weight: 500; }
.form input, .form select, .form textarea {
  font: inherit; font-size: 1rem; padding: 13px 16px; border-radius: 14px; width: 100%;
  border: 1px solid var(--line); background: var(--bg); color: var(--text);
}
.form textarea { resize: vertical; }
.form input:focus, .form select:focus, .form textarea:focus { outline: 2px solid var(--accent); border-color: transparent; }
.form .invalid { border-color: #d8504a; }
.hint { font-size: .82rem; color: var(--muted); margin: 0; }

.footer { border-top: 1px solid var(--line); padding: 26px 0; font-size: .9rem; color: var(--muted); }
.foot-row { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.foot-row a { text-decoration: none; }

/* Barre rapide mobile */
.quickbar { display: none; }

/* Animations d'apparition */
.js .reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.js .reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
  .float-card, .pulse { animation: none; }
}

/* ============ Responsive ============ */
@media (max-width: 900px) {
  .hero { padding-top: 112px; }
  .hero-grid, .two-col, .contact-box { grid-template-columns: 1fr; gap: 40px; }
  .hero-photo { width: min(340px, 86%); order: -1; }
  .fc-1 { left: -14px; } .fc-2 { right: -10px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .section { padding: 72px 0; }
  .timeline > li { grid-template-columns: 1fr; gap: 6px; }
  .edu { grid-template-columns: 1fr; }
  .contact-box { padding: 30px 22px; border-radius: 26px; }

  .burger { display: block; }
  .nav-links {
    position: fixed; inset: 68px 0 auto 0; flex-direction: column; align-items: stretch; gap: 0;
    background: var(--bg); border-bottom: 1px solid var(--line); padding: 10px 20px 22px;
    transform: translateY(-120%); transition: transform .35s ease; z-index: -1;
  }
  .nav-links.open { transform: none; }
  .nav-links a { padding: 14px 4px; border-bottom: 1px solid var(--line); font-size: 1.05rem; }
  .nav-links a.btn { margin-top: 16px; border: 0; text-align: center; padding: 14px; }

  .quickbar {
    display: grid; grid-template-columns: 1fr 1.3fr 1fr; gap: 8px;
    position: fixed; left: 12px; right: 12px; bottom: calc(12px + env(safe-area-inset-bottom)); z-index: 40;
    padding: 8px; border-radius: 22px; background: color-mix(in srgb, var(--surface) 88%, transparent);
    backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
    border: 1px solid var(--line); box-shadow: 0 12px 34px rgba(0, 0, 0, .18);
    transform: translateY(140%); transition: transform .35s ease;
  }
  .quickbar.show { transform: none; }
  .quickbar a { text-align: center; text-decoration: none; padding: 12px 6px; border-radius: 16px; font-weight: 600; font-size: .92rem; }
  .quickbar a.primary { background: var(--accent); color: var(--accent-ink); }
  .footer { padding-bottom: 96px; }
}
@media (max-width: 480px) {
  body { font-size: 16px; }
  .btn { width: 100%; }
  .cta-row { flex-direction: column; }
  .stats-grid { gap: 18px; }
}

/* 5 cartes de compétences : 3 + 2 sur grand écran */
@media (min-width: 901px) {
  .cards { grid-template-columns: repeat(6, 1fr); }
  .cards .card { grid-column: span 2; }
  .cards .card:nth-child(n+4) { grid-column: span 3; }
}

/* Vidéos YouTube dans le portfolio */
.play {
  position: absolute; left: 50%; top: 50%; width: 64px; height: 64px; margin: -32px 0 0 -32px;
  display: grid; place-items: center; border-radius: 50%; color: #fff;
  background: rgba(10, 18, 14, .62); border: 2px solid rgba(255, 255, 255, .85);
  backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px); transition: transform .25s, background .25s;
}
.play svg { margin-left: 3px; }
.project:hover .play { transform: scale(1.1); background: var(--accent); }
.video-modal {
  width: min(960px, calc(100% - 24px)); max-width: none; padding: 0; border: 0; border-radius: 20px;
  background: #0a0f0d; color: #fff; overflow: visible;
}
.video-modal::backdrop { background: rgba(5, 10, 8, .82); backdrop-filter: blur(4px); }
.vm-frame { aspect-ratio: 16 / 9; width: 100%; border-radius: 20px 20px 0 0; overflow: hidden; background: #000; }
.vm-frame iframe { width: 100%; height: 100%; border: 0; display: block; }
.vm-caption { margin: 0; padding: 14px 20px 16px; font-size: .92rem; color: #c9d5ce; }
.vm-caption a { color: #fff; }
.vm-close {
  position: absolute; right: 8px; top: -52px; width: 42px; height: 42px; border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, .35); background: rgba(10, 18, 14, .7); color: #fff; font-size: 1.1rem; cursor: pointer;
}