/* Blueprint / control-plane aesthetic: warm paper, navy ink, signal orange. */
:root {
  --paper: #f3eee4;
  --paper-2: #ebe4d6;
  --ink: #14243b;
  --ink-soft: #3c4a5f;
  --muted: #6b7280;
  --signal: #e8622c;
  --ok: #1f8a5b;
  --line: rgba(20, 36, 59, 0.12);
  --grid: rgba(20, 36, 59, 0.055);
  --display: "Fraunces", Georgia, serif;
  --body: "Instrument Sans", "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    linear-gradient(var(--grid) 1px, transparent 1px) 0 0 / 28px 28px,
    linear-gradient(90deg, var(--grid) 1px, transparent 1px) 0 0 / 28px 28px,
    var(--paper);
  color: var(--ink);
  font: 400 17px/1.6 var(--body);
  -webkit-font-smoothing: antialiased;
}
.grain {
  position: fixed; inset: 0; pointer-events: none; z-index: 50; opacity: .35; mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0.08 0 0 0 0 0.14 0 0 0 0 0.23 0 0 0 .08 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
a { color: inherit; }
.mono { font-family: var(--mono); }
.muted { color: var(--muted); }
.ok { color: var(--ok); font-style: normal; }

/* bilingual */
html[data-lang="fr"] .en, html[data-lang="en"] .fr { display: none !important; }

/* top bar */
.topbar {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; gap: 2rem;
  padding: .9rem clamp(1.2rem, 5vw, 4rem);
  background: color-mix(in srgb, var(--paper) 86%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.mark { font: 800 1.35rem/1 var(--display); text-decoration: none; letter-spacing: -.02em; }
.mark span { color: var(--signal); }
.topbar nav { display: flex; gap: 1.6rem; margin-left: auto; font: 500 .85rem var(--mono); text-transform: lowercase; }
.topbar nav a { text-decoration: none; position: relative; }
.topbar nav a::after { content: ""; position: absolute; left: 0; bottom: -4px; height: 2px; width: 0; background: var(--signal); transition: width .25s; }
.topbar nav a:hover::after { width: 100%; }
.lang {
  font: 600 .78rem var(--mono); border: 1.5px solid var(--ink); background: transparent; color: var(--ink);
  padding: .35rem .7rem; cursor: pointer; border-radius: 2px;
}
.lang:hover { background: var(--ink); color: var(--paper); }

main { max-width: 1180px; margin: 0 auto; padding: 0 clamp(1.2rem, 5vw, 3rem); }

/* hero */
.hero {
  display: grid; grid-template-columns: 1.55fr 1fr; gap: 3rem 4rem; align-items: center;
  padding: clamp(3rem, 9vh, 6.5rem) 0 3rem;
}
.kicker { color: var(--signal); font-size: .9rem; margin: 0 0 1.2rem; }
.kicker::after { content: "▍"; animation: blink 1.1s steps(1) infinite; margin-left: .2rem; }
@keyframes blink { 50% { opacity: 0; } }
h1 {
  font: 600 clamp(2.4rem, 5.4vw, 4.6rem)/1.02 var(--display);
  font-variation-settings: "opsz" 96; letter-spacing: -.02em; word-spacing: .06em; margin: 0 0 1.4rem;
}
h1 em { font-style: italic; font-weight: 400; color: var(--signal); }
.lede { font-size: 1.12rem; color: var(--ink-soft); max-width: 40rem; margin: 0 0 2rem; }
.cta { display: flex; flex-wrap: wrap; gap: .7rem; }
.btn {
  font: 500 .88rem var(--mono); text-decoration: none; padding: .75rem 1.1rem;
  border: 1.5px solid var(--ink); border-radius: 2px; transition: transform .15s, box-shadow .15s, background .15s;
}
.btn:hover { transform: translate(-2px, -2px); box-shadow: 3px 3px 0 var(--ink); }
.btn.primary { background: var(--ink); color: var(--paper); }
.btn.primary:hover { box-shadow: 3px 3px 0 var(--signal); }

.hero-card {
  margin: 0; justify-self: end; position: relative; width: min(100%, 320px);
  background: var(--paper-2); border: 1.5px solid var(--ink); padding: 12px; transform: rotate(1.2deg);
  box-shadow: 10px 10px 0 var(--ink);
}
.hero-card::before {
  content: "pod/ghislain-adon"; position: absolute; top: -.75rem; left: 1rem; padding: 0 .45rem;
  background: var(--signal); color: #fff; font: 600 .72rem/1.5 var(--mono);
}
.hero-card img { width: 100%; height: auto; display: block; background: linear-gradient(160deg, #d9cfbd, #c8bba3); filter: saturate(.9) contrast(1.03); }
.hero-card figcaption { font-size: .78rem; padding: .7rem .3rem .1rem; display: grid; gap: .1rem; }
.hero-card figcaption b { display: inline-block; width: 4.5rem; color: var(--muted); font-weight: 500; }

.metrics { grid-column: 1 / -1; list-style: none; padding: 0; margin: 1rem 0 0; display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1.5px solid var(--ink); }
.metrics li { padding: 1.2rem 1rem 0 0; display: flex; flex-direction: column; gap: .2rem; border-right: 1px dashed var(--line); padding-left: 1rem; }
.metrics li:first-child { padding-left: 0; }
.metrics li:last-child { border-right: 0; }
.metrics b { font: 800 2.6rem/1 var(--display); letter-spacing: -.03em; }
.metrics span { font: .82rem var(--mono); color: var(--ink-soft); }

/* blocks */
.block { padding: 5.5rem 0 1rem; }
.block-head { margin-bottom: 2.5rem; max-width: 46rem; }
.tag { color: var(--signal); font-size: .82rem; margin: 0 0 .5rem; }
h2 { font: 600 clamp(1.9rem, 3.6vw, 2.9rem)/1.08 var(--display); letter-spacing: -.03em; margin: 0 0 .7rem; }

/* pipeline */
.stages { list-style: none; margin: 0; padding: 2.2rem 0 0; display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 0; position: relative; }
.stages::before { content: ""; position: absolute; top: 2.2rem; left: 0; right: 0; height: 3px; background: var(--ink); }
.stage { position: relative; padding: 1.6rem .9rem 0 0; }
.stage-dot {
  position: absolute; top: -.55rem; left: 0; width: 1.35rem; height: 1.35rem; border-radius: 50%;
  background: var(--paper); border: 3px solid var(--ok); display: grid; place-items: center;
}
.stage-dot::after { content: "✓"; font: 700 .7rem/1 var(--mono); color: var(--ok); }
.stage.running .stage-dot { border-color: var(--signal); animation: pulse 1.8s ease-out infinite; }
.stage.running .stage-dot::after { content: ""; width: .45rem; height: .45rem; border-radius: 50%; background: var(--signal); }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(232, 98, 44, .5); } 100% { box-shadow: 0 0 0 14px rgba(232, 98, 44, 0); } }
.stage .when { font-size: .74rem; color: var(--muted); margin: 0 0 .3rem; }
.stage h3 { font: 600 .92rem/1.25 var(--mono); margin: 0 0 .25rem; }
.stage .org { font: 600 .82rem var(--body); color: var(--signal); margin: 0 0 .5rem; }
.stage p:last-child { font-size: .86rem; color: var(--ink-soft); margin: 0; line-height: 1.5; }

/* projects */
.cards { display: grid; grid-template-columns: repeat(6, 1fr); gap: 1.2rem; }
.card {
  grid-column: span 2; background: color-mix(in srgb, var(--paper) 60%, #fff); border: 1.5px solid var(--ink);
  padding: 1.4rem 1.4rem 1.2rem; display: flex; flex-direction: column; position: relative;
  transition: transform .2s, box-shadow .2s;
}
.card:hover { transform: translate(-3px, -3px); box-shadow: 6px 6px 0 var(--ink); }
.card.feature { grid-column: span 3; }
.card.feature::after { content: ""; position: absolute; top: 0; right: 0; border-style: solid; border-width: 0 34px 34px 0; border-color: transparent var(--signal) transparent transparent; }
.card .label { font-size: .72rem; color: var(--muted); margin: 0 0 .6rem; text-transform: uppercase; letter-spacing: .06em; }
.card h3 { font: 600 1.3rem/1.2 var(--display); margin: 0 0 .6rem; letter-spacing: -.01em; word-break: break-word; }
.card p { font-size: .93rem; color: var(--ink-soft); margin: 0 0 .8rem; }
.card .case { border-left: 3px solid var(--signal); padding-left: .8rem; font-size: .88rem; }
.card .case b { font: 600 .74rem var(--mono); text-transform: uppercase; color: var(--signal); display: block; }
.card .link { margin-top: auto; font: 600 .82rem var(--mono); text-decoration: none; color: var(--signal); align-self: flex-start; }
.card .link:hover { text-decoration: underline; }
.more { margin-top: 1.5rem; border: 1px dashed var(--ink-soft); padding: .9rem 1.2rem; }
.more summary { cursor: pointer; font-size: .85rem; }
.more ul { margin: .8rem 0 0; padding-left: 1.2rem; font-size: .93rem; }
.more a { font-family: var(--mono); color: var(--signal); }

/* stack */
.values {
  background: var(--ink); color: #e9e2d3; padding: 1.8rem 2rem; margin: 0; overflow-x: auto;
  font-size: .92rem; line-height: 1.85; border-left: 6px solid var(--signal); box-shadow: 10px 10px 0 rgba(20, 36, 59, .18);
}
.values .k { color: #f39a72; }

/* certs */
.certs { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border-top: 1.5px solid var(--ink); border-left: 1.5px solid var(--ink); }
.certs li { border-right: 1.5px solid var(--ink); border-bottom: 1.5px solid var(--ink); padding: 1.2rem; display: flex; flex-direction: column; gap: .35rem; }
.certs li.big { grid-column: span 2; background: var(--ink); color: var(--paper); }
.certs b { font: 600 1.25rem/1.15 var(--display); }
.certs li.big b { font-size: 1.9rem; color: #f39a72; }
.certs span { font: .78rem var(--mono); color: var(--muted); }
.certs li.big span { color: #cfc6b5; }

/* contact & footer */
.contact { padding-bottom: 5rem; }
.contact h2 { font-size: clamp(2.4rem, 5vw, 4rem); }
.foot { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem; padding: 1.4rem clamp(1.2rem, 5vw, 4rem); border-top: 1.5px solid var(--ink); font-size: .78rem; color: var(--muted); }

/* reveal */
.reveal { opacity: 0; transform: translateY(14px); animation: rise .7s cubic-bezier(.2, .7, .2, 1) forwards; animation-delay: calc(var(--d) * 110ms + 80ms); }
@keyframes rise { to { opacity: 1; transform: none; } }
.hero-card.reveal { animation-name: rise-card; }
@keyframes rise-card { to { opacity: 1; transform: rotate(1.2deg); } }
.in-view { animation: rise .6s cubic-bezier(.2, .7, .2, 1) both; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}

@media (max-width: 980px) {
  .hero { grid-template-columns: 1fr; }
  .hero-card { justify-self: start; }
  .stages { grid-template-columns: 1fr; padding: 0 0 0 1.6rem; }
  .stages::before { top: 0; bottom: 0; left: .6rem; right: auto; width: 3px; height: auto; }
  .stage { padding: 0 0 1.8rem 1.4rem; }
  .stage-dot { left: -1.65rem; top: 0; }
  .cards { grid-template-columns: 1fr 1fr; }
  .card, .card.feature { grid-column: span 1; }
  .certs { grid-template-columns: 1fr 1fr; }
  .metrics { grid-template-columns: 1fr 1fr; }
  .metrics li { padding: 1rem 0; border-right: 0; }
  .topbar nav { display: none; }
  .lang { margin-left: auto; }
}
@media (max-width: 600px) {
  .cards, .certs { grid-template-columns: 1fr; }
  .certs li.big { grid-column: span 1; }
}