/* Site — Christophe Chagny · vitrine prospection
   Hi-fi, mode sombre, accent vert phosphore. */
@import url('./colors_and_type.css');

/* ============ Theme variants ================================== */
body[data-theme="blueprint"] {
  --bg-0: #070b10; --bg-1: #0b1117; --bg-2: #121a25; --bg-3: #1a2330;
  --bg-inset: #050810;
  --border-0: #1b2738; --border-1: #283651; --border-2: #3a4d6f;
  --accent-50:#ecfeff; --accent-100:#cffafe; --accent-200:#a5f3fc;
  --accent-300:#67e8f9; --accent-400:#22d3ee; --accent-500:#06b6d4;
  --accent-600:#0891b2; --accent-700:#0e7490; --accent-800:#155e75; --accent-900:#164e63;
  --accent: var(--accent-400);
  --accent-glow: color-mix(in oklch, var(--accent) 35%, transparent);
  --grid-line: rgba(34,211,238,0.06); --grid-line-strong: rgba(34,211,238,0.10);
}
body[data-theme="warm"] {
  --bg-0:#0a0807; --bg-1:#0f0c0a; --bg-2:#1f1815; --bg-3:#2a221d;
  --bg-inset:#060403;
  --border-0:#2a2420; --border-1:#3a302a; --border-2:#4f4239;
  --accent-50:#fffbeb; --accent-100:#fef3c7; --accent-200:#fde68a;
  --accent-300:#fcd34d; --accent-400:#fbbf24; --accent-500:#f59e0b;
  --accent-600:#d97706; --accent-700:#b45309; --accent-800:#92400e; --accent-900:#78350f;
  --accent: var(--accent-400);
  --accent-glow: color-mix(in oklch, var(--accent) 30%, transparent);
  --grid-line: rgba(251,191,36,0.05); --grid-line-strong: rgba(251,191,36,0.10);
}

/* ============ Base ============================================ */
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg-0); scroll-behavior: smooth; }
.site { min-height: 100vh; color: var(--fg-0); overflow-x: clip; position: relative; }
.container { max-width: 1180px; margin: 0 auto; padding: 0 32px; }
.relative { position: relative; z-index: 1; }
button { font-family: inherit; }

/* ============ Ambient backdrop ================================ */
.ambient {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(ellipse 80% 40% at 50% -10%, var(--accent-glow), transparent 60%),
    linear-gradient(180deg, rgba(7,9,10,0.25) 0%, rgba(7,9,10,0.45) 100%);
}
.ambient::after {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse 60% 60% at 50% 100%, var(--bg-0), transparent 70%);
}

/* ============ Nav ============================================= */
.nav-wrap { position: sticky; top: 16px; z-index: 50; padding: 0 24px; margin-top: 16px; }
.nav {
  max-width: 1180px; margin: 0 auto;
  display: flex; align-items: center; gap: 8px;
  padding: 8px 8px 8px 16px;
  background: color-mix(in oklch, var(--bg-1) 70%, transparent);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-0);
  border-radius: 999px;
  box-shadow: 0 8px 32px -16px rgba(0,0,0,0.7);
}
.nav-brand {
  display: flex; align-items: center; gap: 10px;
  font-weight: 600; padding-right: 14px;
  border-right: 1px solid var(--border-0); margin-right: 4px;
  text-decoration: none; color: var(--fg-0);
}
.nav-brand img { width: 26px; height: 26px; }
.nav-brand .wm { font-family: var(--font-mono); font-size: 13px; color: var(--fg-0); }
.nav-brand .wm .dot { color: var(--accent); }
.nav-links { display: flex; gap: 2px; flex: 1; }
.nav-links a {
  font-size: 13.5px; color: var(--fg-1);
  padding: 7px 13px; border-radius: 999px;
  transition: all 160ms var(--ease-out); text-decoration: none;
}
.nav-links a:hover { background: var(--bg-2); color: var(--fg-0); text-decoration: none; }
.nav-links a.active { color: var(--accent); background: rgba(255,255,255,0.02); }

.nav-status {
  display: inline-flex; align-items: center; gap: 7px;
  font-family: var(--font-mono); font-size: 11px;
  color: var(--accent);
  background: rgba(74,222,128,0.08);
  border: 1px solid rgba(74,222,128,0.25);
  padding: 6px 12px; border-radius: 999px;
  letter-spacing: 0.06em;
}
body[data-theme="blueprint"] .nav-status { background: rgba(34,211,238,0.08); border-color: rgba(34,211,238,0.25); }
body[data-theme="warm"] .nav-status { background: rgba(251,191,36,0.08); border-color: rgba(251,191,36,0.25); }
.nav-status .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent); box-shadow: 0 0 8px var(--accent);
  animation: pulse 2s var(--ease-out) infinite;
}
@keyframes pulse { 50% { opacity: 0.35; } }

/* ============ Hero ============================================ */
.hero { padding: 88px 0 72px; position: relative; }
.hero-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: 48px; align-items: center; }
.eyebrow-mono {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 12px;
  color: var(--accent); letter-spacing: 0.08em; text-transform: uppercase;
  padding: 6px 12px; border-radius: 999px;
  border: 1px solid rgba(74,222,128,0.25);
  background: rgba(74,222,128,0.05);
  margin-bottom: 24px;
}
body[data-theme="blueprint"] .eyebrow-mono { border-color: rgba(34,211,238,0.25); background: rgba(34,211,238,0.05); }
body[data-theme="warm"] .eyebrow-mono { border-color: rgba(251,191,36,0.25); background: rgba(251,191,36,0.05); }
.eyebrow-mono .prompt { color: var(--accent); opacity: 0.7; }

.hero h1 {
  font-size: clamp(48px, 6.4vw, 80px);
  line-height: 1.02; letter-spacing: -0.03em; font-weight: 700;
  margin: 0 0 22px;
  text-wrap: balance;
}
.hero h1 .accent { color: var(--accent); }
.hero .lead {
  font-size: 19px; line-height: 1.6; color: var(--fg-1); max-width: 56ch;
  margin: 0 0 32px;
}
.hero-ctas { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-meta {
  margin-top: 28px;
  display: flex; flex-wrap: wrap; gap: 20px;
  font-family: var(--font-mono); font-size: 12px; color: var(--fg-2);
  letter-spacing: 0.02em;
}
.hero-meta .sep { color: var(--fg-3); }

/* ============ Buttons ========================================= */
.btn {
  font-family: var(--font-sans); font-size: 14px; font-weight: 500;
  padding: 12px 18px; border-radius: 10px;
  border: 1px solid transparent; cursor: pointer;
  display: inline-flex; align-items: center; gap: 8px;
  transition: all 160ms var(--ease-out); line-height: 1; text-decoration: none;
}
.btn:hover { text-decoration: none; }
.btn-primary {
  background: var(--accent); color: var(--fg-on-accent); font-weight: 600;
  box-shadow: 0 0 0 1px rgba(74,222,128,0.30), 0 8px 24px -10px rgba(74,222,128,0.55);
}
.btn-primary:hover { background: var(--accent-400); transform: translateY(-1px); }
.btn-secondary {
  background: var(--bg-2); color: var(--fg-0); border-color: var(--border-1);
}
.btn-secondary:hover { background: var(--bg-3); border-color: var(--border-2); transform: translateY(-1px); }
.btn .arrow { font-family: var(--font-mono); }

/* ============ Hero terminal =================================== */
.hero-term {
  background: var(--bg-inset);
  border: 1px solid var(--border-1);
  border-radius: 14px;
  overflow: hidden;
  font-family: var(--font-mono); font-size: 13px; line-height: 1.7;
  box-shadow: var(--shadow-glow), 0 32px 64px -24px rgba(0,0,0,0.8);
}
.hero-term .bar {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 14px;
  background: var(--bg-2);
  border-bottom: 1px solid var(--border-0);
}
.hero-term .bar .dot { width: 11px; height: 11px; border-radius: 50%; }
.hero-term .bar .name {
  margin-left: auto;
  color: var(--fg-3); font-size: 11px; letter-spacing: 0.04em;
}
.hero-term .body {
  padding: 18px 22px; min-height: 320px;
  white-space: pre-wrap; word-break: break-word;
}
.hero-term .ln { display: block; min-height: 1.7em; }
.hero-term .p  { color: var(--accent); }   /* prompt */
.hero-term .c  { color: var(--fg-3); }     /* commentaire */
.hero-term .k  { color: var(--info); }     /* clé yaml */
.hero-term .v  { color: var(--fg-0); }     /* valeur */
.hero-term .o  { color: var(--fg-1); }     /* sortie générique */
.hero-term .acc { color: var(--accent); }
.cursor {
  display: inline-block; width: 8px; height: 14px;
  background: var(--accent); vertical-align: -2px;
  margin-left: 2px;
  animation: blink 1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

/* ============ Section heads =================================== */
.section { padding: 96px 0; position: relative; }
.section-head {
  margin-bottom: 40px;
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 32px; flex-wrap: wrap;
}
.section-head .eyebrow { display: block; margin-bottom: 14px; }
.section-head h2 {
  font-size: clamp(32px, 4vw, 48px); line-height: 1.05;
  letter-spacing: -0.025em; font-weight: 600;
  margin: 0; max-width: 24ch; text-wrap: balance;
}
.section-head h2 .accent { color: var(--accent); }
.section-head .right {
  font-family: var(--font-mono); font-size: 13px; color: var(--fg-2);
  padding-bottom: 8px;
}
.section-head .right a { color: var(--accent); text-decoration: none; }
.section-head .right a:hover { text-decoration: underline; }

/* ============ About =========================================== */
.about-grid {
  display: grid; grid-template-columns: 1fr 1.4fr; gap: 56px; align-items: start;
}
.about-portrait {
  position: relative; aspect-ratio: 4/5;
  background: var(--bg-1);
  border: 1px solid var(--border-0); border-radius: 18px;
  overflow: hidden;
  display: flex; align-items: center; justify-content: center;
}
.about-portrait::before {
  content: ''; position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--grid-line-strong) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line-strong) 1px, transparent 1px);
  background-size: 24px 24px; opacity: 0.6;
}
.about-portrait .avatar {
  position: relative; z-index: 2;
  width: 62%; aspect-ratio: 1; border-radius: 999px;
  background: linear-gradient(135deg, var(--accent-700), var(--accent-900));
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-sans); font-weight: 600;
  color: var(--fg-on-accent); font-size: 84px; letter-spacing: -0.04em;
  box-shadow: 0 0 0 6px var(--bg-1), 0 0 60px -8px var(--accent-glow);
  border: 1px solid var(--accent);
  overflow: hidden;
}
.about-portrait .avatar.avatar-photo { background: var(--bg-1); padding: 0; }
.about-portrait .avatar.avatar-photo img {
  width: 100%; height: 100%; object-fit: cover; display: block;
  border-radius: inherit;
}
.about-portrait .badge {
  position: absolute; bottom: 16px; left: 16px; z-index: 3;
  display: flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 11px;
  background: var(--bg-1); border: 1px solid var(--border-1);
  border-radius: 999px; padding: 6px 12px; color: var(--fg-1);
}
.about-text p {
  font-size: 16px; line-height: 1.7; color: var(--fg-1);
  margin: 0 0 16px; max-width: 56ch;
}
.about-text p strong { color: var(--fg-0); font-weight: 600; }
.about-stats {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
  margin-top: 36px; padding-top: 28px; border-top: 1px solid var(--border-0);
}
.about-stat .num {
  font-size: 36px; font-weight: 700; color: var(--accent);
  letter-spacing: -0.025em; line-height: 1;
  font-feature-settings: 'tnum' 1, 'ss01' 1;
}
.about-stat .lbl {
  font-family: var(--font-mono); font-size: 11px; color: var(--fg-2);
  margin-top: 8px; letter-spacing: 0.06em;
}

/* ============ Skills ========================================== */
.skills-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.skill-card {
  background: rgba(13,17,16,0.78);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--border-0);
  border-radius: 16px; padding: 24px 26px;
  transition: all 200ms var(--ease-out);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.04);
}
.skill-card:hover {
  border-color: var(--border-2); background: rgba(20,25,23,0.85);
  transform: translateY(-2px);
}
.skill-head { display: flex; align-items: center; gap: 14px; margin-bottom: 16px; }
.skill-icon {
  width: 44px; height: 44px;
  background: var(--bg-inset); border: 1px solid var(--border-0);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: var(--accent);
}
.skill-icon img { width: 22px; height: 22px; }
.skill-head h3 { margin: 0; font-size: 17px; font-weight: 600; color: var(--fg-0); }
.skill-head .count {
  margin-left: auto; font-family: var(--font-mono);
  font-size: 12px; color: var(--fg-3);
}
.skill-list { display: flex; flex-wrap: wrap; gap: 6px; }
.skill-pill {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font-mono); font-size: 12.5px;
  padding: 5px 10px;
  background: var(--bg-2); border: 1px solid var(--border-0);
  border-radius: 6px; color: var(--fg-1);
}
.skill-pill img { width: 14px; height: 14px; opacity: 0.95; }

/* ============ Projects ======================================== */
.projects-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.project-card {
  background: rgba(13,17,16,0.78);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--border-0);
  border-radius: 16px; padding: 24px 26px;
  display: flex; flex-direction: column; gap: 14px;
  transition: all 200ms var(--ease-out);
  text-decoration: none; color: inherit;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.04);
}
.project-card:hover {
  border-color: var(--border-2); transform: translateY(-2px);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.06), 0 24px 48px -24px rgba(0,0,0,0.6);
  text-decoration: none;
}
.project-head { display: flex; align-items: flex-start; gap: 14px; }
.project-num {
  width: 40px; height: 40px; flex-shrink: 0;
  background: var(--bg-inset); border: 1px solid var(--border-0);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono); font-weight: 600;
  color: var(--accent); font-size: 13px;
}
.project-card h3 {
  margin: 4px 0 0; font-size: 17px; font-weight: 600; color: var(--fg-0);
  line-height: 1.3;
}
.project-status {
  margin-left: auto; font-family: var(--font-mono); font-size: 10px;
  padding: 4px 9px; border-radius: 999px;
  background: rgba(74,222,128,0.10); color: var(--accent);
  border: 1px solid rgba(74,222,128,0.28);
  letter-spacing: 0.06em; white-space: nowrap;
  align-self: flex-start;
}
body[data-theme="blueprint"] .project-status { background: rgba(34,211,238,0.10); border-color: rgba(34,211,238,0.28); }
body[data-theme="warm"] .project-status { background: rgba(251,191,36,0.10); border-color: rgba(251,191,36,0.28); }
.project-status.dim {
  background: rgba(74,222,128,0.04); color: color-mix(in oklch, var(--accent) 70%, var(--fg-2));
  border-color: rgba(74,222,128,0.16);
}
.project-card .desc {
  color: var(--fg-1); font-size: 14px; line-height: 1.55; margin: 0;
}
.project-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.project-tag {
  font-family: var(--font-mono); font-size: 11px;
  padding: 3px 8px;
  background: var(--bg-2); border: 1px solid var(--border-0);
  border-radius: 6px; color: var(--fg-2);
}
.project-foot {
  display: flex; align-items: center; justify-content: space-between;
  margin-top: auto; padding-top: 6px;
  border-top: 1px dashed var(--border-0);
}
.project-foot .more {
  font-family: var(--font-mono); font-size: 12px; color: var(--accent);
}
.project-foot .ext {
  font-family: var(--font-mono); font-size: 11px; color: var(--fg-3);
}

/* ============ Parcours (2-col timelines) ====================== */
.xp-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; }
.xp-col .eyebrow-mono { margin-bottom: 28px; }
.timeline { position: relative; padding-left: 28px; }
.timeline::before {
  content: ''; position: absolute; left: 8px; top: 8px; bottom: 8px;
  width: 1px;
  background: linear-gradient(to bottom, var(--border-1), transparent);
}
.tl-item { position: relative; padding: 0 0 32px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before {
  content: ''; position: absolute; left: -26px; top: 8px;
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--bg-0); border: 2px solid var(--accent);
  box-shadow: 0 0 0 4px var(--bg-0), 0 0 16px var(--accent-glow);
}
.tl-when {
  font-family: var(--font-mono); font-size: 12px;
  color: var(--accent); letter-spacing: 0.04em;
}
.tl-role { font-size: 18px; font-weight: 600; margin: 6px 0 4px; color: var(--fg-0); }
.tl-org { color: var(--fg-2); font-size: 14px; margin-bottom: 8px; }
.tl-desc { color: var(--fg-1); font-size: 14px; line-height: 1.6; max-width: 56ch; }

/* ============ Contact ========================================= */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.contact-form {
  background: rgba(13,17,16,0.78);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--border-0);
  border-radius: 16px; padding: 28px;
  display: flex; flex-direction: column; gap: 14px;
}
.field { display: flex; flex-direction: column; gap: 6px; }
.field label {
  font-family: var(--font-mono); font-size: 11px; color: var(--fg-2);
  letter-spacing: 0.06em; text-transform: uppercase;
}
.field input, .field textarea {
  font-family: var(--font-sans); font-size: 14px;
  background: var(--bg-inset); color: var(--fg-0);
  border: 1px solid var(--border-1); border-radius: 10px;
  padding: 12px 14px; outline: none;
  transition: all 160ms;
  resize: vertical;
}
.field input::placeholder, .field textarea::placeholder { color: var(--fg-3); }
.field input:focus, .field textarea:focus {
  border-color: var(--accent-700);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

.contact-side h3 { font-size: 20px; font-weight: 600; margin: 0 0 12px; color: var(--fg-0); }
.contact-side .intro { color: var(--fg-2); margin: 0 0 24px; font-size: 14px; line-height: 1.6; max-width: 42ch; }
.contact-links { display: flex; flex-direction: column; gap: 8px; }
.contact-link {
  display: flex; align-items: center; gap: 14px;
  padding: 14px 16px;
  background: var(--bg-1); border: 1px solid var(--border-0);
  border-radius: 12px;
  transition: all 160ms; text-decoration: none; color: inherit;
}
.contact-link:hover {
  background: var(--bg-2); border-color: var(--border-2);
  text-decoration: none;
}
.contact-link .ic {
  width: 36px; height: 36px; flex-shrink: 0;
  background: var(--bg-inset); border: 1px solid var(--border-0);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
}
.contact-link .ic img { width: 18px; height: 18px; }
.contact-link .ttl { font-size: 14px; font-weight: 500; color: var(--fg-0); }
.contact-link .sub { font-family: var(--font-mono); font-size: 12px; color: var(--fg-2); }
.contact-link .arr { margin-left: auto; color: var(--fg-3); font-family: var(--font-mono); }
.contact-link:hover .arr { color: var(--accent); }

/* ============ Footer ========================================== */
.footer {
  margin-top: 64px;
  padding: 32px 0 36px;
  border-top: 1px solid var(--border-0);
  position: relative;
}
.footer-grid {
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px; flex-wrap: wrap;
}
.footer-meta { font-family: var(--font-mono); font-size: 12px; color: var(--fg-3); }
.footer-meta .acc { color: var(--accent); }
.footer-links { display: flex; gap: 24px; }
.footer-links a { font-size: 13px; color: var(--fg-2); text-decoration: none; }
.footer-links a:hover { color: var(--fg-0); }

/* ============ Reveal on scroll =============================== */
.reveal { opacity: 0; transform: translateY(8px); transition: opacity 520ms var(--ease-out), transform 520ms var(--ease-out); }
.reveal.in { opacity: 1; transform: none; }

/* ============ Responsive ===================================== */
@media (max-width: 920px) {
  .hero-grid { grid-template-columns: 1fr; gap: 36px; }
  .about-grid { grid-template-columns: 1fr; gap: 36px; }
  .skills-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .xp-grid { grid-template-columns: 1fr; gap: 40px; }
  .contact-grid { grid-template-columns: 1fr; gap: 36px; }
  .nav-links { display: none; }
  .section { padding: 72px 0; }
  .hero { padding: 64px 0 48px; }
}