/* projetsonar.com — Nuit, aux couleurs de l'espace connecté (27 sept 2026). */
:root {
  color-scheme: dark;
  --bg: #0a0e15; --surface: #131921; --surface-2: #1c2330;
  --line: rgba(6, 182, 212, 0.16); --line-strong: rgba(6, 182, 212, 0.38);
  --ink: #f1f5f9; --ink-2: #94a3b8; --accent: #22d3ee; --accent-deep: #06b6d4; --accent-ink: #062026;
  --display: "Archivo", "Arial Narrow", Arial, sans-serif;
  --body: "Archivo", "Segoe UI", system-ui, sans-serif;
  --mono: "IBM Plex Mono", "Courier New", monospace;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--body); font-size: 17px; line-height: 1.55; -webkit-font-smoothing: antialiased; }
a { color: inherit; }
img { max-width: 100%; display: block; }
h1, h2, h3 { font-family: var(--display); font-stretch: 78%; font-weight: 700; letter-spacing: -0.005em; line-height: 0.98; margin: 0; text-wrap: balance; }
h1 { font-size: clamp(2.6rem, 7vw, 5.6rem); }
h2 { font-size: clamp(1.9rem, 4.2vw, 3rem); }
h3 { font-size: clamp(1.3rem, 2.4vw, 1.7rem); font-stretch: 85%; }
p { margin: 0; }
.eyebrow { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent); }
.eyebrow a { text-decoration: none; }
.meta { font-family: var(--mono); font-size: 0.78rem; color: var(--ink-2); letter-spacing: 0.02em; white-space: pre-line; }
.lead { font-size: 1.22rem; line-height: 1.45; max-width: 34em; }
.prose { max-width: 62ch; display: grid; gap: 1.1rem; color: #d5dde4; }
.prose strong { color: var(--ink); font-weight: 600; }
.dim { color: var(--ink-2); }

/* barre du haut */
.top { position: sticky; top: 0; z-index: 10; background: rgba(10, 14, 21, 0.92); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.top-in { max-width: 1160px; margin: 0 auto; padding: 0 clamp(16px, 4vw, 40px); display: flex; align-items: center; gap: 1.5rem; min-height: 66px; }
.mark { display: flex; align-items: center; text-decoration: none; font-family: var(--display); font-stretch: 100%; font-weight: 700; letter-spacing: 0.3em; text-indent: 0.1em; font-size: 1.35rem; padding: 0.4rem 0; }
.menu { display: flex; gap: 1.3rem; margin-left: auto; font-family: var(--display); font-stretch: 92%; font-weight: 500; font-size: 0.98rem; }
.menu a { text-decoration: none; color: var(--ink-2); padding: 0.4rem 0; border-bottom: 2px solid transparent; }
.menu a.on, .menu a:hover { color: var(--ink); border-bottom-color: var(--accent); }
.login { font-family: var(--display); font-stretch: 92%; font-weight: 600; font-size: 0.9rem; text-decoration: none; border: 1.5px solid var(--accent); color: var(--accent); border-radius: 999px; padding: 0.45rem 1rem; white-space: nowrap; }
.login:hover { background: var(--accent); color: var(--accent-ink); }
.burger { display: none; margin-left: auto; background: none; border: 1.5px solid var(--line-strong); border-radius: 8px; color: var(--ink); font-family: var(--display); font-size: 0.95rem; padding: 0.4rem 0.7rem; cursor: pointer; }
@media (max-width: 800px) {
  .menu { display: none; position: absolute; left: 0; right: 0; top: 66px; background: var(--bg); border-bottom: 1px solid var(--line); padding: 0.6rem clamp(16px, 4vw, 40px) 1rem; flex-direction: column; gap: 0.2rem; }
  .menu.open { display: flex; }
  .burger { display: inline-block; }
  .login { margin-left: 0.4rem; }
}

/* mise en page */
.wrap { max-width: 1160px; margin: 0 auto; padding-inline: clamp(16px, 4vw, 40px); }
section.block { padding-block: clamp(2.6rem, 6vw, 5rem); border-top: 1px solid var(--line); }
section.block.first { border-top: none; padding-top: clamp(2.2rem, 5vw, 4rem); }
.grid-2 { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(1.5rem, 4vw, 4rem); align-items: start; }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(1.4rem, 3vw, 2.6rem); }
@media (max-width: 860px) { .grid-2, .grid-3 { grid-template-columns: 1fr; } }
.stack { display: grid; gap: 1rem; }
.stack-lg { display: grid; gap: 1.8rem; }

/* en-tête d'accueil */
.hero-in { display: flex; gap: clamp(1.4rem, 4vw, 3.2rem); align-items: center; flex-wrap: wrap; }
.hero-logo { width: clamp(132px, 18vw, 210px); height: auto; flex-shrink: 0; }
.hero-txt { display: grid; gap: 0.6rem; flex: 1 1 22rem; min-width: 0; }
.wordmark { font-stretch: 100%; letter-spacing: 0.26em; text-indent: 0.05em; font-size: clamp(3rem, 9vw, 6.4rem); line-height: 1; font-weight: 700; }
.mention { font-family: var(--mono); text-transform: uppercase; letter-spacing: 0.22em; color: var(--accent); font-size: clamp(0.78rem, 1.5vw, 1rem); }
.hero-txt .lead { margin-top: 0.6rem; font-size: 1.12rem; }

/* images et vidéo */
figure { margin: 0; display: grid; gap: 0.55rem; }
figure .ph { aspect-ratio: 16 / 9; max-width: 100%; background: var(--surface); overflow: hidden; border-radius: 4px; }
figure .ph img { width: 100%; height: 100%; object-fit: cover; }
figure.tall .ph { aspect-ratio: 4 / 5; }
figcaption { font-family: var(--mono); font-size: 0.74rem; color: var(--ink-2); line-height: 1.5; }
.todo { border: 1.5px dashed var(--line-strong); display: grid; place-items: center; text-align: center; padding: 1rem; color: var(--ink-2); font-family: var(--mono); font-size: 0.74rem; line-height: 1.6; }
.video { position: relative; aspect-ratio: 16 / 9; max-width: 100%; background: var(--surface); border-radius: 4px; overflow: hidden; }
.video iframe, .video video { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.galerie { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(1rem, 3vw, 2.2rem); }
@media (max-width: 700px) { .galerie { grid-template-columns: 1fr; } }

/* boutons */
.btn { display: inline-flex; align-items: center; gap: 0.5rem; font-family: var(--display); font-stretch: 92%; font-weight: 600; font-size: 0.98rem; text-decoration: none; padding: 0.7rem 1.15rem; border-radius: 999px; background: var(--accent); color: var(--accent-ink); border: 1.5px solid var(--accent); cursor: pointer; }
.btn.quiet { background: transparent; color: var(--ink); border-color: var(--line-strong); }
.btn:hover { background: var(--ink); border-color: var(--ink); color: var(--bg); }
.btn:disabled { opacity: 0.5; cursor: default; }
.arrow { text-decoration: none; font-family: var(--display); font-stretch: 92%; font-weight: 600; color: var(--accent); }
.arrow::after { content: " →"; }

/* listes */
.rows { display: grid; }
.row { display: grid; grid-template-columns: minmax(0, 2fr) minmax(0, 3fr); gap: 1.4rem; padding-block: 1.4rem; border-top: 1px solid var(--line); align-items: start; }
.row:last-child { border-bottom: 1px solid var(--line); }
.row h3 { margin-bottom: 0.3rem; }
.row p { color: #d5dde4; }
@media (max-width: 700px) { .row { grid-template-columns: 1fr; gap: 0.6rem; } }
.proj { display: grid; grid-template-columns: minmax(0, 2fr) minmax(0, 3fr); gap: 1.6rem; padding-block: 1.8rem; border-top: 1px solid var(--line); text-decoration: none; color: inherit; align-items: start; }
.proj:last-of-type { border-bottom: 1px solid var(--line); }
.proj:hover h3 { color: var(--accent); }
.proj .thumb { aspect-ratio: 16 / 10; background: var(--surface); overflow: hidden; border-radius: 4px; }
.proj .thumb img { width: 100%; height: 100%; object-fit: cover; }
@media (max-width: 700px) { .proj { grid-template-columns: 1fr; gap: 0.8rem; } }
.tag { display: inline-block; font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase; padding: 0.2rem 0.55rem; border: 1px solid var(--line-strong); border-radius: 4px; color: var(--ink-2); }
.tag.done { color: var(--accent); border-color: var(--accent); }
.quote { font-family: var(--display); font-stretch: 85%; font-weight: 500; font-size: clamp(1.4rem, 3vw, 2.2rem); line-height: 1.15; max-width: 22em; text-wrap: balance; }
.quote small { display: block; font-family: var(--mono); font-size: 0.74rem; color: var(--ink-2); margin-top: 0.9rem; letter-spacing: 0.04em; }
.facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1.2rem 2rem; }
.fact b { display: block; font-family: var(--display); font-stretch: 80%; font-size: 2.2rem; font-weight: 700; line-height: 1; font-variant-numeric: tabular-nums; color: var(--accent); }
.fact span { font-family: var(--mono); font-size: 0.74rem; color: var(--ink-2); }

/* formulaire */
form.f { display: grid; gap: 0.9rem; max-width: 34rem; }
form.f label { display: grid; gap: 0.3rem; font-family: var(--mono); font-size: 0.74rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-2); }
form.f input, form.f textarea, form.f select { font: inherit; font-size: 1rem; padding: 0.7rem 0.85rem; border: 1px solid var(--line-strong); border-radius: 8px; background: var(--surface-2); color: var(--ink); width: 100%; }
form.f input:focus, form.f textarea:focus, form.f select:focus, .btn:focus-visible, .menu a:focus-visible, .login:focus-visible, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.note { border-left: 3px solid var(--accent); padding: 0.6rem 0.9rem; font-size: 0.95rem; background: var(--surface); color: var(--ink); }
.email { display: inline-flex; align-items: center; gap: 0.6rem; flex-wrap: wrap; }
.email code { font-family: var(--mono); font-size: 0.95rem; color: var(--accent); }
.mini { font: inherit; font-family: var(--mono); font-size: 0.72rem; padding: 0.25rem 0.6rem; border-radius: 6px; border: 1px solid var(--line-strong); background: transparent; color: var(--ink-2); cursor: pointer; text-decoration: none; }
.mini:hover { color: var(--ink); border-color: var(--ink); }
.piege { position: absolute; left: -9999px; }

/* pied */
footer.site { border-top: 1px solid var(--line); margin-top: clamp(2rem, 5vw, 4rem); padding-block: 2.2rem 3rem; }
footer.site .cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1.6rem; font-size: 0.92rem; align-items: start; }
footer.site a { color: var(--ink-2); }
footer.site svg { width: 56px; height: 56px; margin-bottom: 0.5rem; }
footer.site .meta { white-space: pre-line; }
@media (prefers-reduced-motion: no-preference) { .menu a, .btn, .login { transition: color .15s, background-color .15s, border-color .15s; } }