@import url("./assets/tokens.css");

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  color: var(--omega-text);
  background:
    radial-gradient(circle at 15% 15%, rgba(31, 75, 132, .18), transparent 27rem),
    var(--omega-ink-950);
  font-family: var(--omega-font-body);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 20;
  opacity: .16;
  background-image: url("./assets/graphics/circuit-grid.svg");
  background-size: 620px;
  mask-image: linear-gradient(to bottom, transparent, #000 28%, #000 72%, transparent);
}
::selection { color: #020715; background: var(--omega-cyan); }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.container { width: min(1200px, calc(100% - 44px)); margin-inline: auto; }
.gradient-text { color: transparent; background: var(--omega-gradient); background-clip: text; -webkit-background-clip: text; }
.eyebrow { margin: 0 0 20px; color: var(--omega-cyan); font-size: .72rem; font-weight: 700; letter-spacing: .22em; line-height: 1.5; text-transform: uppercase; }
h1, h2, h3 { margin: 0; font-family: var(--omega-font-display); font-weight: 450; letter-spacing: -.045em; line-height: 1.05; }
h1 { max-width: 880px; font-size: clamp(3.3rem, 6.5vw, 6.5rem); }
h2 { font-size: clamp(2.6rem, 4.4vw, 4.8rem); }
h3 { font-size: 1.55rem; }
p { color: var(--omega-muted); }

.site-header { position: fixed; inset: 0 0 auto; z-index: 50; padding: 18px 0; transition: padding .3s ease, background .3s ease, border-color .3s ease; border-bottom: 1px solid transparent; }
.site-header.is-scrolled { padding: 10px 0; background: rgba(3, 7, 20, .78); border-color: var(--omega-border); backdrop-filter: blur(18px); }
.nav-shell { display: flex; align-items: center; justify-content: space-between; min-height: 58px; }
.brand { position: relative; z-index: 2; width: 210px; }
.brand img { width: 100%; height: auto; }
.nav-links { display: flex; align-items: center; gap: 32px; font-size: .8rem; letter-spacing: .08em; }
.nav-links > a:not(.button) { color: #c0c8d7; transition: color .2s ease; }
.nav-links > a:not(.button):hover, .nav-links > a.is-active { color: #fff; }
.nav-links > a.is-active::after { content: ""; display: block; width: 4px; height: 4px; margin: 8px auto -12px; border-radius: 50%; background: var(--omega-coral); box-shadow: 0 0 12px var(--omega-coral); }
.nav-toggle { display: none; width: 46px; height: 46px; padding: 12px; border: 1px solid var(--omega-border); border-radius: 50%; color: #fff; background: rgba(7, 14, 31, .7); }
.nav-toggle span:not(.sr-only) { display: block; height: 1px; margin: 5px 0; background: currentColor; transition: transform .25s ease, opacity .25s ease; }

.button { display: inline-flex; align-items: center; justify-content: center; gap: 14px; min-height: 54px; padding: 0 24px; border: 1px solid transparent; border-radius: 3px; color: #fff; font-size: .76rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; cursor: pointer; transition: transform .25s ease, border-color .25s ease, background .25s ease, box-shadow .25s ease; }
.button:hover { transform: translateY(-2px); }
.button--primary { color: #09101d; background: linear-gradient(105deg, #54d2e8, #f7f6f1 48%, #fa9293); box-shadow: 0 12px 40px rgba(83, 202, 229, .18); }
.button--primary:hover { box-shadow: 0 16px 48px rgba(250, 143, 145, .22); }
.button--ghost { border-color: rgba(121, 210, 235, .34); background: rgba(11, 23, 48, .38); }
.button--ghost:hover { border-color: rgba(250, 143, 145, .6); background: rgba(250, 143, 145, .08); }
.button--small { min-height: 42px; padding: 0 18px; font-size: .66rem; }
.button--text { min-height: auto; padding: 14px 4px; color: #dce2ec; }

.hero { position: relative; min-height: 100svh; display: grid; align-items: center; isolation: isolate; overflow: hidden; }
.hero-backdrop { position: absolute; inset: 0; z-index: -2; background: url("./assets/backgrounds/hero-aurora-circuit.webp") center / cover no-repeat; }
.hero::before { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(90deg, rgba(3,7,20,.98) 0%, rgba(3,7,20,.82) 34%, rgba(3,7,20,.14) 72%), linear-gradient(0deg, var(--omega-ink-950), transparent 28%); }
.hero-content { padding-top: 130px; }
.hero-content .eyebrow { max-width: 650px; }
.hero-lead { max-width: 690px; margin: 28px 0 0; font-size: clamp(1.05rem, 1.45vw, 1.3rem); }
.hero-actions { display: flex; align-items: center; gap: 28px; margin-top: 38px; }
.hero-signals { display: flex; gap: 32px; padding: 0; margin: 55px 0 0; color: #aeb7c8; font-size: .7rem; letter-spacing: .14em; list-style: none; text-transform: uppercase; }
.hero-signals li { display: flex; align-items: center; gap: 9px; }
.hero-signals span { width: 5px; height: 5px; border-radius: 50%; background: var(--omega-cyan); box-shadow: 0 0 12px var(--omega-cyan); }
.scroll-cue { position: absolute; left: 50%; bottom: 25px; width: 28px; height: 46px; border: 1px solid rgba(255,255,255,.25); border-radius: 18px; transform: translateX(-50%); }
.scroll-cue span { position: absolute; top: 9px; left: 50%; width: 3px; height: 8px; border-radius: 2px; background: #fff; transform: translateX(-50%); animation: scroll 1.8s ease-in-out infinite; }
@keyframes scroll { 0%,100% { opacity: .25; transform: translate(-50%, 0); } 50% { opacity: 1; transform: translate(-50%, 12px); } }

.section { position: relative; padding: 120px 0; }
.split-layout { display: grid; grid-template-columns: .9fr 1.1fr; gap: 80px; align-items: center; }
.copy-block > p:not(.eyebrow) { max-width: 570px; font-size: 1.05rem; }
.text-link { display: inline-flex; gap: 16px; margin-top: 22px; color: #fff; font-size: .75rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.text-link span { color: var(--omega-coral); }
.connector-visual { position: relative; min-height: 470px; display: grid; place-items: center; border: 1px solid var(--omega-border); background: radial-gradient(circle, rgba(30, 61, 105, .23), transparent 60%); overflow: hidden; }
.connector-visual::after { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(120, 155, 207, .055) 1px, transparent 1px), linear-gradient(90deg, rgba(120, 155, 207, .055) 1px, transparent 1px); background-size: 34px 34px; mask-image: radial-gradient(circle, #000, transparent 72%); }
.connector-visual img { width: 90%; position: relative; z-index: 1; }
.visual-note { position: absolute; z-index: 2; padding: 8px 12px; border: 1px solid var(--omega-border); color: #c8d0dd; background: rgba(4, 9, 23, .8); font-size: .62rem; letter-spacing: .12em; text-transform: uppercase; backdrop-filter: blur(8px); }
.visual-note span { color: var(--omega-cyan); }
.visual-note--one { left: 28px; top: 30px; }.visual-note--two { right: 28px; top: 46%; }.visual-note--three { left: 18%; bottom: 28px; }

.section--services { background: linear-gradient(180deg, transparent, rgba(8, 17, 36, .6), transparent); }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 50px; margin-bottom: 56px; }
.section-heading > p { max-width: 430px; margin: 0 0 8px; }
.section-heading--center { justify-content: center; text-align: center; }
.service-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.service-card { position: relative; min-height: 480px; display: flex; flex-direction: column; justify-content: space-between; padding: 24px; overflow: hidden; border: 1px solid var(--omega-border); background-position: center; background-size: cover; transition: transform .35s ease, border-color .35s ease; isolation: isolate; }
.service-card::before { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(to bottom, rgba(3,7,20,.04) 24%, rgba(3,7,20,.4) 52%, rgba(3,7,20,.98) 80%); }
.service-card:hover { z-index: 2; transform: translateY(-10px); border-color: rgba(93, 214, 236, .5); }
.service-card--one { background-image: url("./assets/backgrounds/cards/card-01-piece.webp"); }
.service-card--two { background-image: url("./assets/backgrounds/cards/card-02-connection.webp"); }
.service-card--three { background-image: url("./assets/backgrounds/cards/card-03-flow.webp"); }
.service-card--four { background-image: url("./assets/backgrounds/cards/card-04-system.webp"); }
.service-index { color: var(--omega-cyan); font-size: .66rem; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; }
.service-copy { position: relative; z-index: 2; }
.service-copy p { margin: 0 0 8px; color: var(--omega-coral); font-size: .62rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; }
.service-copy h3 { margin-bottom: 12px; }
.service-copy > span { display: block; color: #aeb7c7; font-size: .86rem; line-height: 1.55; }
.card-arrow { position: absolute; top: 20px; right: 20px; width: 34px; height: 34px; display: grid; place-items: center; border: 1px solid var(--omega-border); border-radius: 50%; color: #fff; background: rgba(3,7,20,.45); transition: transform .25s ease, background .25s ease; }
.service-card:hover .card-arrow { transform: rotate(45deg); background: rgba(72, 203, 230, .18); }

.section--method { overflow: hidden; }
.method-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 35px; margin-top: 70px; }
.method-line { position: absolute; top: 53%; left: 0; width: 100%; height: 1px; background: linear-gradient(90deg, transparent, rgba(72,203,230,.5), rgba(247,246,241,.4), rgba(250,143,145,.5), transparent); opacity: .38; }
.method-step { position: relative; padding: 26px 6px 0; }
.method-step i { position: absolute; top: -3px; left: 6px; width: 7px; height: 7px; border-radius: 50%; background: var(--omega-cyan); box-shadow: 0 0 16px var(--omega-cyan); }
.method-number { display: block; margin-bottom: 42px; color: #73829b; font-size: .68rem; letter-spacing: .17em; }
.method-step h3 { margin-bottom: 14px; }
.method-step p { margin-bottom: 0; font-size: .9rem; }

.interactive-panel { min-height: 650px; display: grid; grid-template-columns: 1.2fr .8fr; align-items: center; border: 1px solid var(--omega-border); background: rgba(6, 12, 27, .72); overflow: hidden; }
.interactive-art { align-self: stretch; min-width: 0; min-height: 620px; display: grid; place-items: center; padding: 38px; background: radial-gradient(circle at 52% 46%, rgba(38,100,157,.22), transparent 46%), linear-gradient(90deg, rgba(3,7,20,.28), rgba(3,7,20,.82)), url("./assets/backgrounds/section-metal-modules.webp") center / cover no-repeat; }
.interactive-copy { padding: 70px 60px 70px 34px; }
.interactive-copy h2 { font-size: clamp(2.5rem, 3.8vw, 4rem); }
.omega-runner { position: relative; width: min(100%, 720px); overflow: hidden; border: 1px solid rgba(143,177,220,.3); outline: none; background: rgba(3,7,20,.92); box-shadow: 0 30px 90px rgba(0,0,0,.45), 0 0 0 1px rgba(72,203,230,.04) inset; isolation: isolate; }
.omega-runner::before { content: ""; position: absolute; inset: 0 0 auto; z-index: 3; height: 1px; background: linear-gradient(90deg, transparent, rgba(72,203,230,.7), rgba(247,246,241,.5), rgba(250,143,145,.65), transparent); }
.omega-runner:focus-visible { border-color: rgba(72,203,230,.72); box-shadow: 0 30px 90px rgba(0,0,0,.45), 0 0 0 3px rgba(72,203,230,.14); }
.runner-header { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 18px 22px; border-bottom: 1px solid rgba(143,177,220,.17); background: linear-gradient(90deg, rgba(11,23,48,.78), rgba(4,9,22,.88)); }
.runner-header > div:first-child { display: grid; gap: 3px; }
.runner-name { color: #fff; font-size: .8rem; font-weight: 700; letter-spacing: .19em; text-transform: uppercase; }
.runner-header small { color: #718098; font-size: .58rem; letter-spacing: .17em; text-transform: uppercase; }
.runner-scoreboard { display: flex; gap: 20px; color: #718098; font-size: .57rem; letter-spacing: .14em; text-transform: uppercase; }
.runner-scoreboard span { display: grid; gap: 2px; }
.runner-scoreboard strong { color: var(--omega-text); font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: .82rem; letter-spacing: .09em; }
.runner-screen { position: relative; overflow: hidden; cursor: pointer; touch-action: manipulation; background: #030714; }
.runner-screen canvas { display: block; width: 100%; height: auto; aspect-ratio: 2 / 1; }
.runner-overlay { position: absolute; inset: 0; z-index: 2; display: grid; align-content: center; justify-items: center; padding: 24px; text-align: center; background: radial-gradient(circle, rgba(3,7,20,.52), rgba(3,7,20,.88) 72%); transition: opacity .22s ease, transform .22s ease; }
.runner-overlay::before { content: ""; position: absolute; left: 50%; top: 18%; width: 110px; height: 1px; background: linear-gradient(90deg, transparent, var(--omega-cyan), transparent); transform: translateX(-50%); box-shadow: 0 0 16px rgba(72,203,230,.6); }
.runner-kicker { margin-bottom: 10px; color: var(--omega-cyan); font-size: .58rem; font-weight: 700; letter-spacing: .2em; text-transform: uppercase; }
.runner-overlay > strong { color: #fff; font-family: var(--omega-font-display); font-size: clamp(1.5rem, 3vw, 2.35rem); font-weight: 450; letter-spacing: -.035em; }
.runner-overlay p { max-width: 370px; margin: 9px 0 20px; color: #98a4b7; font-size: .78rem; }
.runner-start { min-height: 42px; padding: 0 18px; border: 1px solid rgba(72,203,230,.5); border-radius: 2px; color: #07101e; background: linear-gradient(105deg, var(--omega-cyan), var(--omega-ivory) 52%, var(--omega-coral)); font-size: .62rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; cursor: pointer; box-shadow: 0 10px 30px rgba(72,203,230,.12); }
.runner-start:hover { transform: translateY(-1px); box-shadow: 0 12px 32px rgba(250,143,145,.18); }
.omega-runner.is-running .runner-overlay { opacity: 0; pointer-events: none; transform: scale(1.025); }
.omega-runner.is-over .runner-overlay { background: radial-gradient(circle, rgba(14,25,48,.72), rgba(3,7,20,.94) 72%); }
.omega-runner.is-over .runner-kicker { color: var(--omega-coral); }
.runner-corner { position: absolute; z-index: 1; width: 28px; height: 28px; pointer-events: none; }
.runner-corner--one { left: 12px; top: 12px; border-top: 1px solid rgba(72,203,230,.55); border-left: 1px solid rgba(72,203,230,.55); }
.runner-corner--two { right: 12px; bottom: 12px; border-right: 1px solid rgba(250,143,145,.55); border-bottom: 1px solid rgba(250,143,145,.55); }
.runner-controls { min-height: 58px; display: flex; align-items: center; gap: 18px; padding: 12px 22px; border-top: 1px solid rgba(143,177,220,.16); color: #78859a; background: rgba(4,9,22,.96); font-size: .58rem; letter-spacing: .1em; text-transform: uppercase; }
.runner-controls kbd { padding: 4px 7px; border: 1px solid rgba(143,177,220,.25); border-bottom-color: rgba(143,177,220,.42); border-radius: 2px; color: #cbd3df; background: #0b1427; font-family: inherit; font-size: .55rem; }
.runner-controls i { width: 5px; height: 5px; margin-left: auto; border-radius: 50%; background: var(--omega-cyan); box-shadow: 0 0 11px var(--omega-cyan); }
.game-level-toast { position: absolute; left: 50%; top: 22px; z-index: 4; padding: 9px 14px; border: 1px solid rgba(247,246,241,.38); color: #07101e; background: linear-gradient(105deg, var(--omega-cyan), var(--omega-ivory) 52%, var(--omega-coral)); font-size: .62rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; opacity: 0; pointer-events: none; transform: translate(-50%, -12px); box-shadow: 0 12px 34px rgba(72,203,230,.18); }
.is-level-up .game-level-toast { animation: levelToast 1.4s ease both; }
.is-level-up canvas { animation: levelCanvasPulse .85s ease both; }
@keyframes levelToast { 0% { opacity: 0; transform: translate(-50%, -12px); } 18%,75% { opacity: 1; transform: translate(-50%, 0); } 100% { opacity: 0; transform: translate(-50%, 8px); } }
@keyframes levelCanvasPulse { 0%,100% { filter: none; } 35% { filter: brightness(1.2) saturate(1.22); } }
.check-list { display: grid; gap: 13px; padding: 0; margin: 28px 0 36px; color: #c4ccda; list-style: none; }
.check-list li { position: relative; padding-left: 25px; }
.check-list li::before { content: ""; position: absolute; left: 0; top: .65em; width: 8px; height: 8px; border: 1px solid var(--omega-cyan); transform: rotate(45deg); }

.section--stack { padding-top: 35px; background: radial-gradient(circle at 24% 58%, rgba(72,203,230,.09), transparent 28rem); }
.stack-showcase { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(300px, .8fr); align-items: center; gap: 70px; }
.omega-stack { position: relative; min-width: 0; overflow: hidden; border: 1px solid rgba(143,177,220,.3); outline: none; background: rgba(3,7,20,.94); box-shadow: 0 30px 90px rgba(0,0,0,.45), 0 0 0 1px rgba(72,203,230,.04) inset; isolation: isolate; }
.omega-stack::before { content: ""; position: absolute; inset: 0 0 auto; z-index: 4; height: 1px; background: linear-gradient(90deg, transparent, rgba(72,203,230,.72), rgba(247,246,241,.5), rgba(250,143,145,.68), transparent); }
.omega-stack:focus-visible { border-color: rgba(72,203,230,.72); box-shadow: 0 30px 90px rgba(0,0,0,.45), 0 0 0 3px rgba(72,203,230,.14); }
.stack-header { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 18px 22px; border-bottom: 1px solid rgba(143,177,220,.17); background: linear-gradient(90deg, rgba(11,23,48,.78), rgba(4,9,22,.88)); }
.stack-header > div:first-child { display: grid; gap: 3px; }
.stack-header small { color: #718098; font-size: .58rem; letter-spacing: .17em; text-transform: uppercase; }
.stack-scoreboard { display: flex; gap: 20px; color: #718098; font-size: .57rem; letter-spacing: .14em; text-transform: uppercase; }
.stack-scoreboard span { display: grid; gap: 2px; }
.stack-scoreboard strong { color: var(--omega-text); font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: .82rem; letter-spacing: .09em; }
.stack-screen { position: relative; overflow: hidden; cursor: pointer; touch-action: manipulation; background: #030714; }
.stack-screen canvas { display: block; width: 100%; height: auto; aspect-ratio: 72 / 59; }
.stack-overlay { position: absolute; inset: 0; z-index: 3; display: grid; align-content: center; justify-items: center; padding: 28px; text-align: center; background: radial-gradient(circle, rgba(3,7,20,.62), rgba(3,7,20,.94) 72%); transition: opacity .22s ease, transform .22s ease; }
.stack-overlay::before { content: ""; position: absolute; left: 50%; top: 24%; width: 110px; height: 1px; background: linear-gradient(90deg, transparent, var(--omega-cyan), transparent); transform: translateX(-50%); box-shadow: 0 0 16px rgba(72,203,230,.6); }
.stack-overlay > strong { color: #fff; font-family: var(--omega-font-display); font-size: clamp(1.7rem, 3.2vw, 2.6rem); font-weight: 450; letter-spacing: -.035em; }
.stack-overlay p { max-width: 390px; margin: 10px 0 22px; color: #98a4b7; font-size: .8rem; }
.omega-stack.is-running .stack-overlay { opacity: 0; pointer-events: none; transform: scale(1.025); }
.omega-stack.is-over .stack-overlay { background: radial-gradient(circle, rgba(14,25,48,.78), rgba(3,7,20,.96) 72%); }
.omega-stack.is-over .runner-kicker { color: var(--omega-coral); }
.omega-stack.has-line-clear .stack-screen { box-shadow: 0 0 50px rgba(72,203,230,.2) inset; }
.stack-controls { min-height: 62px; display: grid; grid-template-columns: 46px 46px 46px 46px 1fr; gap: 8px; padding: 10px 14px; border-top: 1px solid rgba(143,177,220,.16); background: rgba(4,9,22,.97); }
.stack-controls button { min-width: 0; border: 1px solid rgba(143,177,220,.24); border-radius: 2px; color: #d9e0ea; background: #0a1428; cursor: pointer; transition: border-color .2s ease, background .2s ease, transform .12s ease; }
.stack-controls button:hover { border-color: rgba(72,203,230,.55); background: rgba(72,203,230,.1); }
.stack-controls button:active { transform: translateY(1px); }
.stack-controls .stack-drop { color: #07101e; border-color: transparent; background: linear-gradient(105deg, var(--omega-cyan), var(--omega-ivory) 54%, var(--omega-coral)); font-size: .59rem; font-weight: 800; letter-spacing: .11em; text-transform: uppercase; }
.stack-copy { max-width: 450px; }
.stack-index { color: var(--omega-coral); font-size: .64rem; font-weight: 700; letter-spacing: .17em; text-transform: uppercase; }
.stack-copy h3 { margin: 20px 0 24px; font-size: clamp(2rem, 3.4vw, 3.45rem); }
.stack-copy > p { font-size: 1rem; }
.stack-features { display: grid; gap: 0; margin: 38px 0 0; border-top: 1px solid var(--omega-border); }
.stack-features div { display: grid; grid-template-columns: 115px 1fr; gap: 20px; padding: 16px 0; border-bottom: 1px solid var(--omega-border); }
.stack-features dt { color: #fff; font-size: .72rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.stack-features dd { margin: 0; color: #7f8ca1; font-size: .78rem; }

.section--architect { padding-top: 35px; background: radial-gradient(circle at 76% 56%, rgba(250,143,145,.075), transparent 28rem); }
.architect-showcase { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(300px, .8fr); align-items: center; gap: 70px; }
.omega-architect { position: relative; min-width: 0; overflow: hidden; border: 1px solid rgba(143,177,220,.3); outline: none; background: rgba(3,7,20,.94); box-shadow: 0 30px 90px rgba(0,0,0,.45), 0 0 0 1px rgba(250,143,145,.04) inset; isolation: isolate; }
.omega-architect::before { content: ""; position: absolute; inset: 0 0 auto; z-index: 4; height: 1px; background: linear-gradient(90deg, transparent, rgba(72,203,230,.72), rgba(247,246,241,.5), rgba(250,143,145,.68), transparent); }
.omega-architect:focus-visible { border-color: rgba(72,203,230,.72); box-shadow: 0 30px 90px rgba(0,0,0,.45), 0 0 0 3px rgba(72,203,230,.14); }
.architect-header { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 18px 22px; border-bottom: 1px solid rgba(143,177,220,.17); background: linear-gradient(90deg, rgba(11,23,48,.78), rgba(4,9,22,.88)); }
.architect-header > div:first-child { display: grid; flex: 0 0 auto; gap: 3px; }
.architect-header small { color: #718098; font-size: .58rem; letter-spacing: .17em; text-transform: uppercase; }
.architect-scoreboard { display: flex; justify-content: flex-end; gap: 16px; color: #718098; font-size: .53rem; letter-spacing: .11em; text-transform: uppercase; }
.architect-scoreboard span { display: grid; gap: 2px; }
.architect-scoreboard strong { color: var(--omega-text); font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: .78rem; letter-spacing: .06em; }
.architect-screen { position: relative; overflow: hidden; cursor: pointer; touch-action: manipulation; background: #030714; }
.architect-screen canvas { display: block; width: 100%; height: auto; aspect-ratio: 6 / 5; }
.architect-overlay { position: absolute; inset: 0; z-index: 3; display: grid; align-content: center; justify-items: center; padding: 28px; text-align: center; background: radial-gradient(circle, rgba(3,7,20,.58), rgba(3,7,20,.94) 72%); transition: opacity .22s ease, transform .22s ease; }
.architect-overlay::before { content: ""; position: absolute; left: 50%; top: 22%; width: 110px; height: 1px; background: linear-gradient(90deg, transparent, var(--omega-cyan), transparent); transform: translateX(-50%); box-shadow: 0 0 16px rgba(72,203,230,.6); }
.architect-overlay > strong { color: #fff; font-family: var(--omega-font-display); font-size: clamp(1.7rem, 3.2vw, 2.6rem); font-weight: 450; letter-spacing: -.035em; }
.architect-overlay p { max-width: 410px; margin: 10px 0 22px; color: #98a4b7; font-size: .8rem; }
.omega-architect.is-running .architect-overlay { opacity: 0; pointer-events: none; transform: scale(1.025); }
.omega-architect.is-solved .architect-overlay { background: radial-gradient(circle, rgba(14,30,48,.78), rgba(3,7,20,.96) 72%); }
.omega-architect.is-solved .runner-kicker { color: var(--omega-coral); }
.architect-controls { min-height: 62px; display: flex; align-items: center; gap: 14px; padding: 10px 14px; border-top: 1px solid rgba(143,177,220,.16); color: #78859a; background: rgba(4,9,22,.97); font-size: .56rem; letter-spacing: .08em; text-transform: uppercase; }
.architect-controls span { white-space: nowrap; }
.architect-controls kbd { padding: 4px 7px; border: 1px solid rgba(143,177,220,.25); border-bottom-color: rgba(143,177,220,.42); border-radius: 2px; color: #cbd3df; background: #0b1427; font-family: inherit; font-size: .52rem; }
.architect-controls button { min-height: 38px; padding: 0 13px; border: 1px solid rgba(143,177,220,.24); border-radius: 2px; color: #d9e0ea; background: #0a1428; font-size: .55rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; cursor: pointer; }
.architect-controls button:first-of-type { margin-left: auto; border-color: rgba(72,203,230,.4); }
.architect-controls button:hover { border-color: rgba(250,143,145,.55); background: rgba(250,143,145,.08); }
.architect-copy { max-width: 450px; }
.architect-copy h3 { margin: 20px 0 24px; font-size: clamp(2rem, 3.4vw, 3.45rem); }
.architect-copy > p { font-size: 1rem; }

.section--protocol { padding-top: 35px; background: radial-gradient(circle at 24% 48%, rgba(72,203,230,.075), transparent 29rem); }
.protocol-showcase, .balance-showcase { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(300px, .8fr); align-items: center; gap: 70px; }
.omega-protocol, .omega-balance { position: relative; min-width: 0; overflow: hidden; border: 1px solid rgba(143,177,220,.3); outline: none; background: rgba(3,7,20,.94); box-shadow: 0 30px 90px rgba(0,0,0,.45), 0 0 0 1px rgba(72,203,230,.04) inset; isolation: isolate; }
.omega-protocol::before, .omega-balance::before { content: ""; position: absolute; inset: 0 0 auto; z-index: 4; height: 1px; background: linear-gradient(90deg, transparent, rgba(72,203,230,.72), rgba(247,246,241,.5), rgba(250,143,145,.68), transparent); }
.omega-protocol:focus-visible, .omega-balance:focus-visible { border-color: rgba(72,203,230,.72); box-shadow: 0 30px 90px rgba(0,0,0,.45), 0 0 0 3px rgba(72,203,230,.14); }
.protocol-header, .balance-header { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 18px 22px; border-bottom: 1px solid rgba(143,177,220,.17); background: linear-gradient(90deg, rgba(11,23,48,.78), rgba(4,9,22,.88)); }
.protocol-header > div:first-child, .balance-header > div:first-child { display: grid; flex: 0 0 auto; gap: 3px; }
.protocol-header small, .balance-header small { color: #718098; font-size: .58rem; letter-spacing: .17em; text-transform: uppercase; }
.protocol-scoreboard, .balance-scoreboard { display: flex; justify-content: flex-end; gap: 16px; color: #718098; font-size: .53rem; letter-spacing: .11em; text-transform: uppercase; }
.protocol-scoreboard span, .balance-scoreboard span { display: grid; gap: 2px; }
.protocol-scoreboard strong, .balance-scoreboard strong { color: var(--omega-text); font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: .78rem; letter-spacing: .06em; }
.protocol-screen, .balance-screen { position: relative; overflow: hidden; cursor: crosshair; touch-action: manipulation; background: #030714; }
.protocol-screen canvas, .balance-screen canvas { display: block; width: 100%; height: auto; }
.protocol-screen canvas { aspect-ratio: 4 / 3; }
.balance-screen canvas { aspect-ratio: 18 / 13; }
.protocol-overlay, .balance-overlay { position: absolute; inset: 0; z-index: 3; display: grid; align-content: center; justify-items: center; padding: 28px; text-align: center; background: radial-gradient(circle, rgba(3,7,20,.58), rgba(3,7,20,.94) 72%); transition: opacity .22s ease, transform .22s ease; }
.protocol-overlay::before, .balance-overlay::before { content: ""; position: absolute; left: 50%; top: 22%; width: 110px; height: 1px; background: linear-gradient(90deg, transparent, var(--omega-cyan), transparent); transform: translateX(-50%); box-shadow: 0 0 16px rgba(72,203,230,.6); }
.protocol-overlay > strong, .balance-overlay > strong { color: #fff; font-family: var(--omega-font-display); font-size: clamp(1.7rem, 3.2vw, 2.6rem); font-weight: 450; letter-spacing: -.035em; }
.protocol-overlay p, .balance-overlay p { max-width: 410px; margin: 10px 0 22px; color: #98a4b7; font-size: .8rem; }
.omega-protocol.is-planning .protocol-overlay, .omega-protocol.is-executing .protocol-overlay, .omega-balance.is-running .balance-overlay { opacity: 0; pointer-events: none; transform: scale(1.025); }
.omega-protocol.is-solved .protocol-overlay, .omega-protocol.is-failed .protocol-overlay, .omega-balance.is-over .balance-overlay { background: radial-gradient(circle, rgba(14,30,48,.8), rgba(3,7,20,.97) 72%); }
.omega-protocol.is-solved .runner-kicker, .omega-balance.is-over .runner-kicker { color: var(--omega-coral); }
.protocol-queue { min-height: 68px; display: flex; align-items: center; gap: 7px; overflow-x: auto; padding: 12px 14px; border-top: 1px solid rgba(143,177,220,.16); border-bottom: 1px solid rgba(143,177,220,.16); color: #66758e; background: linear-gradient(90deg, rgba(7,15,32,.98), rgba(4,9,22,.98)); font-size: .57rem; letter-spacing: .12em; text-transform: uppercase; scrollbar-width: thin; }
.protocol-queue b { flex: 0 0 auto; min-width: 42px; min-height: 40px; display: grid; place-items: center; border: 1px solid rgba(143,177,220,.22); border-radius: 2px; color: #dce4ee; background: linear-gradient(145deg, rgba(23,43,75,.85), rgba(7,15,31,.95)); font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: .82rem; font-weight: 600; box-shadow: 0 8px 18px rgba(0,0,0,.18); }
.protocol-queue b.is-active { color: #07101e; border-color: transparent; background: linear-gradient(115deg, var(--omega-cyan), var(--omega-ivory) 56%, var(--omega-coral)); box-shadow: 0 0 24px rgba(72,203,230,.28); }
.protocol-controls { min-height: 68px; display: grid; grid-template-columns: repeat(4, minmax(62px, .8fr)) repeat(3, minmax(76px, 1fr)); gap: 7px; padding: 10px 14px; background: rgba(4,9,22,.97); }
.protocol-controls button, .balance-drop, .balance-rotate { min-width: 0; min-height: 44px; padding: 7px 9px; border: 1px solid rgba(143,177,220,.24); border-radius: 2px; color: #d9e0ea; background: #0a1428; font-family: inherit; font-size: .54rem; font-weight: 700; letter-spacing: .07em; text-transform: uppercase; cursor: pointer; transition: border-color .2s ease, background .2s ease, transform .12s ease; }
.protocol-controls button span { display: block; margin-top: 2px; color: #748198; font-size: .45rem; letter-spacing: .06em; }
.protocol-controls button:hover, .balance-drop:hover, .balance-rotate:hover { border-color: rgba(72,203,230,.55); background: rgba(72,203,230,.1); }
.protocol-controls button:active, .balance-drop:active, .balance-rotate:active { transform: translateY(1px); }
.protocol-controls button:disabled { opacity: .35; cursor: not-allowed; }
.protocol-controls .protocol-run, .balance-drop { color: #07101e; border-color: transparent; background: linear-gradient(105deg, var(--omega-cyan), var(--omega-ivory) 54%, var(--omega-coral)); }
.protocol-copy, .balance-copy { max-width: 450px; }

.section--balance { padding-top: 35px; background: radial-gradient(circle at 76% 48%, rgba(250,143,145,.07), transparent 29rem); }
.balance-controls { min-height: 62px; display: flex; align-items: center; gap: 16px; padding: 10px 14px; border-top: 1px solid rgba(143,177,220,.16); color: #78859a; background: rgba(4,9,22,.97); font-size: .56rem; letter-spacing: .08em; text-transform: uppercase; }
.balance-controls kbd { padding: 4px 7px; border: 1px solid rgba(143,177,220,.25); border-bottom-color: rgba(143,177,220,.42); border-radius: 2px; color: #cbd3df; background: #0b1427; font-family: inherit; font-size: .52rem; }
.balance-controls i { width: 5px; height: 5px; margin-left: auto; border-radius: 50%; background: var(--omega-cyan); box-shadow: 0 0 11px var(--omega-cyan); }
.balance-drop { min-width: 180px; padding-inline: 18px; }
.balance-rotate { min-width: 108px; }
.balance-drop:disabled, .balance-rotate:disabled { opacity: .35; cursor: not-allowed; }

.cta-panel { min-height: 430px; display: grid; grid-template-columns: 1.1fr .9fr; gap: 70px; align-items: end; padding: 70px; border: 1px solid var(--omega-border); background: linear-gradient(90deg, rgba(3,7,20,.93), rgba(3,7,20,.38)), url("./assets/backgrounds/cta-aurora-flow.webp") center / cover no-repeat; }
.cta-copy { max-width: 430px; justify-self: end; }
.cta-copy p { margin-top: 0; margin-bottom: 28px; }

.site-footer { position: relative; padding: 44px 0 20px; border-top: 1px solid var(--omega-border); background: #02050e; }
.footer-main { display: grid; grid-template-columns: 250px 1fr auto; gap: 50px; align-items: center; }
.brand--footer { width: 240px; }
.footer-main p { margin: 0; max-width: 520px; font-size: .82rem; }
.footer-main nav { display: flex; gap: 24px; color: #c2cad7; font-size: .76rem; }
.footer-bottom { display: flex; justify-content: space-between; margin-top: 36px; padding-top: 18px; border-top: 1px solid rgba(158,180,218,.12); color: #6f7b91; font-size: .68rem; letter-spacing: .12em; text-transform: uppercase; }

.page-hero { position: relative; min-height: 72svh; display: grid; align-items: end; padding: 190px 0 90px; overflow: hidden; isolation: isolate; }
.page-hero::before { content: ""; position: absolute; inset: 0; z-index: -2; background-position: center; background-size: cover; }
.page-hero::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(90deg, rgba(3,7,20,.96), rgba(3,7,20,.58) 55%, rgba(3,7,20,.45)), linear-gradient(0deg, var(--omega-ink-950), transparent 45%); }
.page-hero--expertises::before { background-image: url("./assets/backgrounds/section-metal-modules.webp"); background-position: 72% 50%; }
.page-hero--contact::before { background-image: url("./assets/backgrounds/cta-aurora-flow.webp"); }
.page-hero--lab::before { background-image: url("./assets/backgrounds/hero-aurora-circuit.webp"); background-position: 62% 50%; }
.page-hero--lab::after { background: linear-gradient(90deg, rgba(3,7,20,.97), rgba(3,7,20,.62) 56%, rgba(3,7,20,.25)), linear-gradient(0deg, var(--omega-ink-950), transparent 48%); }
.page-hero-content > p:last-child { max-width: 680px; margin: 26px 0 0; font-size: 1.1rem; }

.lab-index { position: relative; z-index: 3; margin-top: -42px; padding-bottom: 30px; }
.lab-index-grid { display: grid; grid-template-columns: repeat(5, 1fr); border: 1px solid var(--omega-border); background: rgba(4,9,23,.9); box-shadow: 0 30px 80px rgba(0,0,0,.34); backdrop-filter: blur(18px); }
.lab-index-grid a { position: relative; display: grid; grid-template-columns: auto 1fr; gap: 4px 12px; align-items: center; min-height: 104px; padding: 22px 18px; border-right: 1px solid var(--omega-border); transition: background .3s ease, color .3s ease; }
.lab-index-grid a:last-child { border-right: 0; }
.lab-index-grid a::after { content: "↘"; position: absolute; right: 20px; top: 18px; color: #66758e; font-size: .8rem; transition: transform .3s ease, color .3s ease; }
.lab-index-grid a:hover { color: #fff; background: linear-gradient(145deg, rgba(72,203,230,.09), rgba(250,143,145,.035)); }
.lab-index-grid a:hover::after { color: var(--omega-coral); transform: translate(3px, 3px); }
.lab-index-grid span { grid-row: 1 / span 2; color: var(--omega-cyan); font-size: .6rem; font-weight: 700; letter-spacing: .15em; }
.lab-index-grid strong { font-family: var(--omega-font-display); font-size: 1.05rem; font-weight: 500; letter-spacing: .04em; }
.lab-index-grid small { color: #78869c; font-size: .62rem; letter-spacing: .08em; text-transform: uppercase; }
.section--lab-game { padding-top: 90px; }

.expertise-list { padding-bottom: 80px; }
.expertise-row { display: grid; grid-template-columns: 1fr 1fr; min-height: 560px; margin-bottom: 60px; border: 1px solid var(--omega-border); background: rgba(7, 14, 31, .66); }
.expertise-row--reverse .expertise-image { order: 2; }
.expertise-image { background-position: center; background-size: cover; }
.expertise-flip { --flip-angle: 180deg; position: relative; min-width: 0; overflow: hidden; perspective: 1600px; background: #030714; }
.expertise-row--reverse .expertise-flip { --flip-angle: -180deg; }
.expertise-flip-inner { position: absolute; inset: 0; transform-style: preserve-3d; transition: transform .9s cubic-bezier(.2,.72,.2,1); }
.expertise-flip-face { position: absolute; inset: 0; overflow: hidden; backface-visibility: hidden; -webkit-backface-visibility: hidden; }
.expertise-flip-front { z-index: 2; background-position: center; background-size: cover; isolation: isolate; }
.expertise-flip-front::before { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(145deg, rgba(3,7,20,.02), rgba(3,7,20,.28)); }
.expertise-flip-front::after { content: ""; position: absolute; inset: 0; border: 1px solid rgba(255,255,255,.035); background: linear-gradient(115deg, transparent 30%, rgba(255,255,255,.06) 48%, transparent 65%); transform: translateX(-110%); transition: transform .9s ease; }
.expertise-flip-hint { position: absolute; left: 50%; bottom: 22px; z-index: 3; padding: 8px 11px; border: 1px solid rgba(158,180,218,.22); color: #c7d2e2; background: rgba(3,7,20,.72); font-size: .52rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; white-space: nowrap; transform: translateX(-50%); backdrop-filter: blur(10px); }
.expertise-flip-hint::before { content: "Survoler pour révéler"; }
.expertise-flip-back { display: grid; place-items: center; isolation: isolate; transform: rotateY(180deg); }
.expertise-flip-back--application { background: radial-gradient(circle at 55% 44%, rgba(72,203,230,.18), transparent 42%), url("./assets/backgrounds/hero-aurora-circuit.webp") center / cover; }
.expertise-flip-back--integration { background: radial-gradient(circle at 50% 48%, rgba(250,143,145,.13), transparent 38%), radial-gradient(circle at 55% 45%, rgba(72,203,230,.14), transparent 43%), #030714 url("./assets/graphics/circuit-grid.svg") center / cover; }
.expertise-flip-back--dashboard { background: radial-gradient(circle at 50% 46%, rgba(72,203,230,.17), transparent 40%), radial-gradient(circle at 72% 34%, rgba(250,143,145,.12), transparent 30%), url("./assets/backgrounds/cards/card-03-flow.webp") center / cover; }
.expertise-flip-back--interactive { background: radial-gradient(circle at 48% 47%, rgba(72,203,230,.15), transparent 42%), radial-gradient(circle at 30% 28%, rgba(250,143,145,.13), transparent 30%), url("./assets/backgrounds/cards/card-04-system.webp") center / cover; }
.expertise-flip-back::before { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(145deg, rgba(3,7,20,.42), rgba(3,7,20,.88)), repeating-linear-gradient(90deg, transparent 0 69px, rgba(72,203,230,.025) 70px); }
.expertise-flip-back::after { content: ""; position: absolute; left: 9%; right: 9%; bottom: 18%; height: 1px; background: linear-gradient(90deg, transparent, rgba(72,203,230,.7), rgba(250,143,145,.65), transparent); box-shadow: 0 0 24px rgba(72,203,230,.38); opacity: .72; }
.expertise-flip.is-flipped .expertise-flip-inner { transform: rotateY(var(--flip-angle)); }
@media (hover: hover) and (pointer: fine) {
  .expertise-flip:hover .expertise-flip-inner { transform: rotateY(var(--flip-angle)); }
  .expertise-flip:hover .expertise-flip-front::after { transform: translateX(110%); }
}
.expertise-app-preview { position: relative; z-index: 2; width: min(82%, 530px); height: 52%; overflow: hidden; border: 1px solid rgba(142,189,231,.4); border-radius: 8px; background: rgba(3,7,20,.9); box-shadow: 0 30px 70px rgba(0,0,0,.55), 0 0 46px rgba(72,203,230,.12); animation: expertiseDashboardFloat 7s ease-in-out infinite; }
.expertise-app-bar { height: 42px; display: flex; align-items: center; gap: 7px; padding: 0 14px; border-bottom: 1px solid rgba(158,180,218,.16); background: rgba(9,18,39,.92); }
.expertise-app-bar i { width: 6px; height: 6px; border-radius: 50%; background: #64728a; }.expertise-app-bar i:first-child { background: var(--omega-coral); }.expertise-app-bar i:nth-child(2) { background: #d5bd72; }.expertise-app-bar i:nth-child(3) { background: var(--omega-cyan); }
.expertise-app-bar span { margin-left: auto; color: #8b9ab1; font-size: .48rem; font-weight: 700; letter-spacing: .16em; }
.expertise-app-body { display: grid; grid-template-columns: 72px 1fr; height: calc(100% - 42px); }
.expertise-app-nav { display: grid; align-content: start; gap: 16px; padding: 22px 18px; border-right: 1px solid rgba(158,180,218,.12); }
.expertise-app-nav i { height: 5px; border-radius: 4px; background: rgba(158,180,218,.2); }.expertise-app-nav i:first-child { background: linear-gradient(90deg, var(--omega-cyan), rgba(72,203,230,.2)); }
.expertise-app-content { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; padding: 22px; }
.expertise-app-content span { min-height: 48px; border: 1px solid rgba(158,180,218,.13); background: linear-gradient(145deg, rgba(27,48,78,.6), rgba(7,14,31,.82)); box-shadow: inset 0 0 20px rgba(72,203,230,.025); }
.expertise-app-content b { grid-column: 1 / -1; min-height: 60px; border: 1px solid rgba(158,180,218,.13); background: linear-gradient(180deg, rgba(72,203,230,.13), transparent 75%), repeating-linear-gradient(90deg, transparent 0 25px, rgba(72,203,230,.08) 26px); }
.expertise-connector-preview { position: relative; z-index: 2; width: min(80%, 510px); max-height: 65%; object-fit: contain; filter: drop-shadow(0 28px 45px rgba(0,0,0,.58)) drop-shadow(0 0 28px rgba(72,203,230,.12)); animation: expertiseDashboardFloat 7s ease-in-out -2s infinite; }
.expertise-preview-frame { position: relative; z-index: 2; width: min(91%, 650px); aspect-ratio: 1083 / 549; overflow: hidden; border: 1px solid rgba(142,189,231,.42); border-radius: 8px; background: #030714; box-shadow: 0 32px 75px rgba(0,0,0,.6), 0 0 52px rgba(72,203,230,.13), inset 0 0 0 1px rgba(255,255,255,.04); transform-origin: 50% 70%; animation: expertiseDashboardFloat 7s ease-in-out infinite; }
.expertise-preview-frame--interactive { aspect-ratio: 1904 / 901; animation-delay: -1.6s; }
.expertise-preview-frame img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.9) contrast(1.04) brightness(.88); transform: scale(1.006); }
.expertise-preview-frame--interactive img { filter: saturate(.96) contrast(1.04) brightness(.9); }
.expertise-preview-frame::after { content: ""; position: absolute; inset: 0; pointer-events: none; background: linear-gradient(115deg, rgba(72,203,230,.1), transparent 33%, transparent 68%, rgba(250,143,145,.1)); box-shadow: inset 0 0 35px rgba(3,7,20,.38); }
.expertise-preview-label { position: absolute; left: 14px; top: 14px; z-index: 4; padding: 7px 9px; border: 1px solid rgba(72,203,230,.32); color: #e2edf7; background: rgba(3,7,20,.8); font-size: .52rem; font-weight: 700; letter-spacing: .13em; text-transform: uppercase; backdrop-filter: blur(8px); }
.expertise-preview-scan { position: absolute; left: 0; right: 0; top: -32%; z-index: 3; height: 30%; pointer-events: none; background: linear-gradient(to bottom, transparent, rgba(72,203,230,.14), rgba(247,246,241,.25), transparent); opacity: .7; transform: skewY(-2deg); animation: expertiseDashboardScan 4.8s ease-in-out infinite; }
.expertise-preview-status { position: absolute; right: 8%; bottom: 9%; z-index: 3; display: flex; align-items: center; gap: 8px; padding: 8px 11px; border: 1px solid rgba(158,180,218,.2); color: #aebbd0; background: rgba(3,7,20,.78); font-size: .54rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; backdrop-filter: blur(10px); }
.expertise-preview-status i { width: 6px; height: 6px; border-radius: 50%; background: var(--omega-cyan); box-shadow: 0 0 14px var(--omega-cyan); }
.expertise-preview-status--left { right: auto; left: 8%; }
.expertise-preview-status--interactive { right: auto; left: 8%; }
.expertise-preview-status--interactive i { background: var(--omega-coral); box-shadow: 0 0 14px var(--omega-coral); }
@keyframes expertiseDashboardFloat { 0%,100% { transform: perspective(1200px) translateY(5px) rotateX(2deg) rotateY(-3deg); } 50% { transform: perspective(1200px) translateY(-9px) rotateX(.5deg) rotateY(2deg); } }
@keyframes expertiseDashboardScan { 0%,12% { top: -32%; opacity: 0; } 24% { opacity: .7; } 72% { opacity: .56; } 88%,100% { top: 108%; opacity: 0; } }
.expertise-copy { align-self: center; padding: 70px; }
.expertise-copy h2 { margin: 18px 0 24px; font-size: clamp(2.7rem, 4vw, 4.3rem); }
.expertise-copy > p { font-size: 1.03rem; }
.expertise-copy .check-list { margin-bottom: 0; }
.expertise-lab-link { margin-top: 28px; }

.section--architecture { padding-top: 40px; }
.architecture-panel { display: grid; grid-template-columns: .85fr 1.15fr; gap: 60px; align-items: center; padding: 80px; border: 1px solid var(--omega-border); background: radial-gradient(circle at 75% 50%, rgba(37, 101, 158, .18), transparent 35%), rgba(5, 11, 27, .8); overflow: hidden; }
.architecture-copy p:last-child { max-width: 520px; }
.system-map { position: relative; min-height: 540px; }
.system-core, .system-node { position: absolute; display: grid; place-items: center; border: 1px solid var(--omega-border); background: rgba(3,7,20,.88); box-shadow: var(--omega-shadow); }
.system-core { left: 50%; top: 50%; width: 140px; height: 140px; border-radius: 50%; transform: translate(-50%, -50%); }
.system-core img { width: 86px; }
.system-node { width: 86px; height: 58px; color: #cbd3df; font-size: .7rem; font-weight: 700; letter-spacing: .15em; }
.system-node--a { left: 6%; top: 13%; }.system-node--b { right: 8%; top: 10%; }.system-node--c { left: 4%; bottom: 15%; }.system-node--d { right: 4%; bottom: 14%; }
.system-line { position: absolute; left: 50%; top: 50%; width: 38%; height: 1px; transform-origin: left; background: linear-gradient(90deg, var(--omega-cyan), transparent); }
.system-line::after { content: ""; position: absolute; right: 18%; top: -3px; width: 6px; height: 6px; border-radius: 50%; background: var(--omega-coral); box-shadow: 0 0 14px var(--omega-coral); }
.system-line--one { transform: rotate(-145deg); }.system-line--two { transform: rotate(-35deg); }.system-line--three { transform: rotate(145deg); }.system-line--four { transform: rotate(35deg); }

.contact-section { padding-top: 90px; }
.contact-grid { display: grid; grid-template-columns: .7fr 1.3fr; gap: 70px; align-items: start; }
.contact-aside { position: sticky; top: 120px; }
.contact-email { display: inline-flex; gap: 14px; margin: 8px 0 20px; color: #fff; font-family: var(--omega-font-display); font-size: clamp(1.25rem, 2.2vw, 2rem); }
.contact-email span { color: var(--omega-coral); }
.contact-topics { display: flex; flex-wrap: wrap; gap: 9px; margin: 32px 0; }
.contact-topics span { padding: 8px 11px; border: 1px solid var(--omega-border); color: #aeb8c9; font-size: .68rem; letter-spacing: .06em; }
.response-note { display: flex; gap: 16px; align-items: center; margin-top: 36px; padding-top: 28px; border-top: 1px solid var(--omega-border); }
.response-note i { width: 9px; height: 9px; border-radius: 50%; background: var(--omega-cyan); box-shadow: 0 0 16px var(--omega-cyan); }
.response-note div { display: grid; }.response-note strong { font-size: .86rem; }.response-note span { color: var(--omega-muted); font-size: .78rem; }
.contact-form { display: grid; gap: 28px; padding: 54px; border: 1px solid var(--omega-border); background: linear-gradient(145deg, rgba(17,31,56,.72), rgba(4,9,23,.86)); box-shadow: var(--omega-shadow); }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.contact-form label, .contact-form legend { display: grid; gap: 10px; color: #dbe1eb; font-size: .74rem; font-weight: 700; letter-spacing: .06em; }
.contact-form label > span { color: #758197; font-weight: 400; }
.contact-form input, .contact-form textarea { width: 100%; padding: 16px 0; border: 0; border-bottom: 1px solid rgba(158,180,218,.24); border-radius: 0; outline: none; color: #fff; background: transparent; transition: border-color .2s ease; }
.contact-form textarea { min-height: 150px; resize: vertical; }
.contact-form input:focus, .contact-form textarea:focus { border-color: var(--omega-cyan); }
.contact-form input::placeholder, .contact-form textarea::placeholder { color: #69758b; }
.contact-form fieldset { min-width: 0; padding: 0; border: 0; }
.choice-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 13px; }
.choice-grid label { position: relative; display: block; }
.choice-grid input { position: absolute; opacity: 0; pointer-events: none; }
.choice-grid span { display: block; padding: 13px 15px; border: 1px solid var(--omega-border); color: #aeb8c9; font-weight: 500; cursor: pointer; transition: border-color .2s, background .2s, color .2s; }
.choice-grid input:checked + span { color: #fff; border-color: var(--omega-cyan); background: rgba(72,203,230,.09); }
.form-footer { display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.form-footer p { max-width: 350px; margin: 0; font-size: .7rem; }
.form-status { min-height: 24px; margin: 0; color: var(--omega-cyan); font-size: .82rem; }
.form-status.is-error { color: #ff9aab; }
.form-honeypot { position: absolute !important; width: 1px !important; height: 1px !important; overflow: hidden !important; clip: rect(0 0 0 0) !important; white-space: nowrap !important; }
.contact-form button:disabled { cursor: wait; opacity: .62; }
.captcha-field { display: grid; gap: 10px; }
.captcha-label { color: #dbe1eb; font-size: .74rem; font-weight: 700; letter-spacing: .06em; }
.captcha-challenge { display: grid; grid-template-columns: 180px minmax(160px, 1fr) auto; gap: 14px; align-items: center; }
.captcha-challenge img { width: 180px; height: 62px; border: 1px solid rgba(84,210,232,.22); border-radius: 8px; background: #07101f; }
.captcha-challenge label { gap: 2px; color: #aeb8c9; font-size: .66rem; }
.captcha-challenge input[name="captchaAnswer"] { padding-block: 10px; text-transform: uppercase; letter-spacing: .24em; }
.captcha-refresh { padding: 9px 4px; border: 0; color: var(--omega-cyan); background: transparent; font-size: .66rem; font-weight: 700; cursor: pointer; }
.captcha-refresh:hover { color: #fff; }

[data-reveal] { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s ease; }
[data-reveal].is-visible { opacity: 1; transform: none; }

@media (max-width: 1050px) {
  .service-grid { grid-template-columns: 1fr 1fr; }
  .service-card { min-height: 520px; }
  .split-layout, .architecture-panel { gap: 44px; }
  .interactive-panel { grid-template-columns: 1fr; }
  .interactive-art { min-height: 560px; }
  .interactive-copy { padding: 50px; }
  .stack-showcase { grid-template-columns: 1fr; gap: 46px; }
  .stack-copy { max-width: 650px; }
  .architect-showcase { grid-template-columns: 1fr; gap: 46px; }
  .architect-copy { max-width: 650px; }
  .protocol-showcase, .balance-showcase { grid-template-columns: 1fr; gap: 46px; }
  .protocol-copy, .balance-copy { max-width: 650px; }
  .contact-grid { grid-template-columns: 1fr; }
  .contact-aside { position: static; }
}

@media (max-width: 860px) {
  .container { width: min(100% - 32px, 720px); }
  .site-header { padding: 10px 0; }
  .brand { width: 170px; }
  .nav-toggle { display: block; }
  .nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
  .nav-links { position: fixed; inset: 0; display: grid; align-content: center; justify-items: center; gap: 24px; font-size: 1.05rem; background: rgba(3,7,20,.97); backdrop-filter: blur(18px); opacity: 0; visibility: hidden; transform: translateY(-20px); transition: .28s ease; }
  .nav-links.is-open { opacity: 1; visibility: visible; transform: none; }
  .nav-links > a.is-active::after { margin-bottom: -6px; }
  .hero { min-height: 920px; align-items: end; }
  .hero-backdrop { background-position: 68% center; opacity: .72; }
  .hero::before { background: linear-gradient(0deg, rgba(3,7,20,1) 8%, rgba(3,7,20,.77) 58%, rgba(3,7,20,.35)); }
  .hero-content { padding: 180px 0 145px; }
  .hero-lead { max-width: 620px; }
  .split-layout, .cta-panel, .architecture-panel { grid-template-columns: 1fr; }
  .section-heading { align-items: start; flex-direction: column; }
  .method-grid { grid-template-columns: 1fr 1fr; }
  .method-line { display: none; }
  .method-step { padding-left: 24px; border-left: 1px solid var(--omega-border); }
  .method-step i { left: -4px; top: 24px; }
  .method-number { margin-bottom: 24px; }
  .cta-panel { padding: 50px 36px; }
  .cta-copy { justify-self: start; }
  .footer-main { grid-template-columns: 1fr; gap: 24px; }
  .expertise-row { grid-template-columns: 1fr; }
  .expertise-row--reverse .expertise-image { order: 0; }
  .expertise-image { min-height: 500px; }
  .expertise-flip-hint { bottom: 16px; }
  .expertise-flip-hint::before { content: "Faire défiler pour révéler"; }
  .expertise-copy { padding: 50px 38px; }
  .lab-index { margin-top: -28px; }
  .lab-index-grid { grid-template-columns: 1fr; }
  .lab-index-grid a { min-height: 94px; border-right: 0; border-bottom: 1px solid var(--omega-border); }
  .lab-index-grid a:last-child { border-bottom: 0; }
  .system-map { min-height: 480px; }
}

@media (max-width: 580px) {
  h1 { font-size: clamp(2.75rem, 14vw, 4.1rem); }
  h2 { font-size: clamp(2.25rem, 11vw, 3.4rem); }
  .section { padding: 86px 0; }
  .hero { min-height: 850px; }
  .hero-content { padding-bottom: 105px; }
  .hero-actions { align-items: stretch; flex-direction: column; gap: 8px; }
  .button { width: 100%; }
  .hero-signals { flex-wrap: wrap; gap: 12px 22px; margin-top: 35px; }
  .scroll-cue { display: none; }
  .connector-visual { min-height: 350px; }
  .visual-note { display: none; }
  .service-grid, .method-grid { grid-template-columns: 1fr; }
  .service-card { min-height: 500px; }
  .interactive-art { min-height: auto; padding: 14px; }
  .interactive-copy { padding: 42px 24px; }
  .runner-header { min-height: 68px; padding: 14px; }
  .runner-name { font-size: .68rem; }
  .runner-scoreboard { gap: 10px; }
  .runner-overlay { padding: 18px; }
  .runner-overlay::before { top: 12%; }
  .runner-overlay p { max-width: 280px; margin: 6px 0 14px; font-size: .68rem; line-height: 1.4; }
  .runner-start { min-height: 38px; padding: 0 13px; font-size: .55rem; }
  .runner-controls { min-height: 52px; gap: 10px; padding: 10px 14px; }
  .runner-controls span:last-child { display: none; }
  .section--stack { padding-top: 10px; }
  .stack-header { min-height: 68px; padding: 14px; }
  .stack-scoreboard { gap: 10px; }
  .stack-controls { grid-template-columns: repeat(4, 42px) 1fr; padding: 9px; }
  .stack-copy h3 { font-size: 2.25rem; }
  .stack-features div { grid-template-columns: 100px 1fr; }
  .section--architect { padding-top: 10px; }
  .architect-header { min-height: 76px; align-items: flex-start; padding: 14px; }
  .architect-scoreboard { flex-wrap: wrap; gap: 8px 12px; }
  .architect-controls { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; padding: 9px; }
  .architect-controls span { display: none; }
  .architect-controls button:first-of-type { margin-left: 0; }
  .architect-copy h3 { font-size: 2.25rem; }
  .section--protocol, .section--balance { padding-top: 10px; }
  .protocol-header, .balance-header { min-height: 76px; align-items: flex-start; padding: 14px; }
  .protocol-scoreboard, .balance-scoreboard { flex-wrap: wrap; gap: 8px 12px; }
  .protocol-queue { min-height: 60px; padding: 9px; }
  .protocol-queue b { min-width: 38px; min-height: 36px; }
  .protocol-controls { grid-template-columns: repeat(4, 1fr); padding: 9px; }
  .protocol-controls button:nth-last-child(-n+3) { grid-column: span 1; }
  .protocol-controls button span { display: none; }
  .balance-controls { display: grid; grid-template-columns: .75fr 1.25fr; gap: 8px; padding: 9px; }
  .balance-controls span { display: none; }
  .balance-controls i { display: none; }
  .balance-drop, .balance-rotate { width: 100%; min-width: 0; }
  .cta-panel { min-height: 520px; padding: 42px 24px; align-content: end; }
  .footer-main nav { flex-wrap: wrap; }
  .footer-bottom { align-items: flex-start; flex-direction: column; gap: 8px; }
  .page-hero { min-height: 650px; padding-bottom: 70px; }
  .expertise-image { min-height: 390px; }
  .expertise-preview-frame { width: 94%; }
  .expertise-app-preview { width: 90%; height: 54%; }
  .expertise-app-body { grid-template-columns: 54px 1fr; }
  .expertise-app-nav { padding: 18px 12px; }
  .expertise-app-content { gap: 8px; padding: 16px; }
  .expertise-preview-status { bottom: 7%; }
  .expertise-flip-hint { font-size: .48rem; }
  .expertise-copy { padding: 38px 24px; }
  .architecture-panel { padding: 42px 24px; }
  .system-map { min-height: 390px; transform: scale(.86); margin: -30px -32px; }
  .contact-form { padding: 34px 22px; }
  .field-row, .choice-grid { grid-template-columns: 1fr; }
  .form-footer { align-items: stretch; flex-direction: column; }
  .captcha-challenge { grid-template-columns: 1fr; justify-items: start; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  [data-reveal] { opacity: 1; transform: none; }
}