:root {
  color-scheme: dark;
  --bg: #141111;
  --surface: #201d1d;
  --surface-2: #2b2727;
  --ink: #fdfcfc;
  --muted: #c8c2c2;
  --dim: #b6b0b0;
  --line: rgba(253, 252, 252, 0.14);
  --green: #30d158;
  --blue: #007aff;
  --violet: #bf5af2;
  --cyan: #64d2ff;
  --orange: #ff9f0a;
  --red: #ff453a;
  --radius: 4px;
  --max: 1120px;
  --pad: clamp(1rem, 3vw, 2rem);
  --font: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, 'Liberation Mono', monospace;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: clip; }
body {
  margin: 0;
  overflow-x: clip;
  font-family: var(--font);
  background:
    radial-gradient(circle at 10% 0%, rgba(0, 122, 255, 0.16), transparent 28rem),
    radial-gradient(circle at 90% 20%, rgba(48, 209, 88, 0.09), transparent 24rem),
    var(--bg);
  color: var(--ink);
  line-height: 1.6;
  min-width: 320px;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(rgba(253,252,252,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(253,252,252,.035) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: linear-gradient(to bottom, black, transparent 80%);
  z-index: -2;
}
a { color: inherit; }
a:hover { color: var(--green); }
img, svg, canvas { max-width: 100%; }
.container { width: min(100% - (var(--pad) * 2), var(--max)); margin-inline: auto; }
.skip-link { position: fixed; top: .75rem; left: .75rem; transform: translateY(-150%); background: var(--green); color: #051107; padding: .75rem 1rem; z-index: 20; }
.skip-link:focus { transform: translateY(0); }
:focus-visible { outline: 3px solid var(--green); outline-offset: 4px; }
.scanline { position: fixed; inset: 0; pointer-events: none; z-index: 5; opacity: .08; background: repeating-linear-gradient(to bottom, transparent 0 4px, #fff 5px); mix-blend-mode: overlay; }
.site-header { position: sticky; top: 0; z-index: 10; background: rgba(20, 17, 17, .86); border-bottom: 1px solid var(--line); backdrop-filter: blur(14px); }
.nav { width: min(100% - (var(--pad) * 2), var(--max)); min-height: 76px; margin-inline: auto; display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.brand { display: inline-flex; align-items: center; gap: .85rem; text-decoration: none; }
.brand__mark { width: 48px; height: 48px; flex: 0 0 48px; filter: drop-shadow(0 0 22px rgba(48, 209, 88, .16)); }
.brand strong, .brand small { display: block; }
.brand strong { font-size: 1rem; letter-spacing: -.02em; }
.brand small { color: var(--muted); font-size: .78rem; }
.nav__menu { display: flex; align-items: center; gap: .35rem; list-style: none; margin: 0; padding: 0; }
.nav__menu a { display: inline-flex; min-height: 44px; align-items: center; padding: .55rem .85rem; text-decoration: none; color: var(--muted); border: 1px solid transparent; }
.nav__menu a:hover { color: var(--ink); border-color: var(--line); background: rgba(253,252,252,.04); }
.nav__menu a[aria-disabled="true"] { color: var(--dim); opacity: .75; cursor: not-allowed; }
.nav__cta { color: var(--ink) !important; background: var(--surface); border-color: var(--line) !important; }
.nav__toggle { display: none; min-width: 44px; min-height: 44px; border: 1px solid var(--line); background: var(--surface); color: var(--ink); font: inherit; }
.hero { position: relative; min-height: calc(100svh - 76px); display: grid; align-items: start; overflow: hidden; padding: clamp(2.75rem, 5vw, 4.75rem) 0; }
.hero__canvas { position: absolute; inset: 0; width: 100%; height: 100%; opacity: .62; pointer-events: none; z-index: 0; }
.hero__grid { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, .9fr) minmax(350px, .95fr); gap: clamp(2rem, 5vw, 5rem); align-items: start; }
.eyebrow { margin: 0 0 1rem; color: var(--green); font-size: .86rem; letter-spacing: .02em; text-transform: lowercase; }
.status-dot { display: inline-block; width: .65rem; height: .65rem; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 .35rem rgba(48,209,88,.12); margin-right: .55rem; }
h1, h2, h3, p { overflow-wrap: anywhere; }
h1 { margin: 0; font-size: clamp(2.05rem, 5vw, 4.05rem); line-height: .98; letter-spacing: -.08em; max-width: 14ch; overflow-wrap: normal; word-break: normal; }
h2 { margin: 0; font-size: clamp(1.85rem, 4.6vw, 3.35rem); line-height: 1.05; letter-spacing: -.06em; max-width: 13ch; }
.hero__lead, .hero__pitch { max-width: 66ch; color: var(--muted); font-size: clamp(.98rem, 1.8vw, 1.12rem); line-height: 1.68; margin: 1.35rem 0 0; }
.hero__pitch { margin-top: .85rem; color: var(--ink); background: linear-gradient(90deg, rgba(48,209,88,.1), rgba(100,210,255,.06)); border-left: 3px solid var(--green); padding: .85rem 1rem; }
.hero__actions { display: flex; flex-wrap: wrap; gap: .62rem; margin-top: 1.15rem; }
.hero__quick-cta { margin-top: 1.1rem; }
.hero__facts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .75rem; margin: 1.45rem 0 0; }
.hero__facts div { border: 1px solid var(--line); background: rgba(32,29,29,.72); padding: .85rem; }
.hero__facts dt { color: var(--dim); font-size: .74rem; }
.hero__facts dd { margin: .2rem 0 0; font-size: .84rem; }
.terminal-card__bar { height: 42px; display: flex; align-items: center; gap: .45rem; padding: 0 .85rem; border-bottom: 1px solid var(--line); background: rgba(253,252,252,.035); }
.terminal-card__bar span { width: .7rem; height: .7rem; border-radius: 50%; background: var(--red); }
.terminal-card__bar span:nth-child(2) { background: var(--orange); }
.terminal-card__bar span:nth-child(3) { background: var(--green); }
.reveal-console, .recruiter-panel { position: relative; overflow: hidden; border: 1px solid var(--line); background: linear-gradient(180deg, rgba(32,29,29,.95), rgba(20,17,17,.95)); box-shadow: 0 30px 90px rgba(0,0,0,.28); }
.reveal-console::before, .recruiter-panel::before { content: ""; position: absolute; inset: -1px; pointer-events: none; background: radial-gradient(circle at 78% 12%, rgba(100,210,255,.18), transparent 14rem), radial-gradient(circle at 12% 78%, rgba(48,209,88,.16), transparent 16rem); }
.reveal-console::after, .recruiter-panel::after { content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .18; background: repeating-linear-gradient(90deg, transparent 0 18px, rgba(100,210,255,.16) 19px, transparent 20px); mix-blend-mode: screen; animation: console-drift 7s steps(2, end) infinite; }
.reveal-console__body, .recruiter-panel__body { position: relative; z-index: 1; padding: clamp(1rem, 2.5vw, 1.3rem); }
.reveal-console h2, .recruiter-panel h2 { max-width: none; font-size: clamp(1.6rem, 3vw, 2.35rem); letter-spacing: -.05em; }
.challenge-card__intro, .challenge-status { color: var(--muted); margin: .55rem 0 0; font-size: .88rem; }
.glitch-title { position: relative; display: inline-block; text-transform: none; text-shadow: 0 0 22px rgba(100,210,255,.18); }
.glitch-main { position: relative; z-index: 1; }
.glitch-copy { position: absolute; inset: 0; pointer-events: none; opacity: 0; }
.glitch-copy--a { color: var(--cyan); transform: translate(2px, -1px); clip-path: inset(0 0 58% 0); animation: title-glitch-a 4.8s steps(1, end) infinite; }
.glitch-copy--b { color: var(--green); transform: translate(-2px, 1px); clip-path: inset(48% 0 0 0); animation: title-glitch-b 5.6s steps(1, end) infinite; }
@keyframes title-glitch-a { 0%, 92%, 100% { opacity: 0; transform: none; } 93% { opacity: .85; transform: translate(3px,-1px); } 94% { opacity: .45; transform: translate(-2px,1px); } 95% { opacity: 0; transform: none; } }
@keyframes title-glitch-b { 0%, 88%, 100% { opacity: 0; transform: none; } 89% { opacity: .72; transform: translate(-3px,1px); } 90% { opacity: .5; transform: translate(2px,-1px); } 91% { opacity: 0; transform: none; } }
@keyframes console-drift { 0%, 100% { transform: translateX(0); } 50% { transform: translateX(14px); } }
.hero-glitch { position: relative; display: block; text-shadow: 0 0 30px rgba(48,209,88,.14); }
.hero-glitch .glitch-copy--a { animation-duration: 5.2s; }
.hero-glitch .glitch-copy--b { animation-duration: 6.1s; }
.glitch-surface:hover, .repo-card:hover, .stack-card:hover, .pipeline article:hover, .contribution-tab:hover { animation: board-tune .36s steps(2,end) 1; border-color: rgba(100,210,255,.52); }
.glitch-button { position: relative; overflow: hidden; }
.glitch-button::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, transparent, rgba(255,255,255,.35), transparent); transform: translateX(-120%) skewX(-18deg); transition: transform .36s ease; }
.glitch-button:hover::after { transform: translateX(120%) skewX(-18deg); }
.scan-stack { display: grid; gap: .65rem; margin-top: 1rem; }
.scan-stack article { position: relative; overflow: hidden; border: 1px solid var(--line); background: rgba(253,252,252,.045); padding: .85rem; display: grid; gap: .18rem; }
.scan-stack article::before { content: ""; position: absolute; inset: 0 auto 0 0; width: 3px; background: linear-gradient(var(--green), var(--blue)); opacity: .9; }
.scan-stack span { color: var(--cyan); font-size: .72rem; }
.scan-stack strong { font-size: .92rem; }
.scan-stack small { color: var(--muted); line-height: 1.45; }

.signal-board { margin-top: 1rem; display: grid; gap: .9rem; }
.signal-screen { position: relative; overflow: hidden; border: 1px solid rgba(253,252,252,.12); background: linear-gradient(180deg, rgba(10,15,18,.86), rgba(20,17,17,.72)); min-height: 212px; }
.signal-screen::before { content: ""; position: absolute; inset: 0; pointer-events: none; background: linear-gradient(transparent 0 48%, rgba(100,210,255,.14) 49% 51%, transparent 52%), repeating-linear-gradient(0deg, rgba(255,255,255,.045) 0 1px, transparent 2px 7px); opacity: calc(.42 - (var(--reveal-progress, 0) * .07)); animation: signal-scan 3.5s linear infinite; }
.signal-screen::after { content: ""; position: absolute; inset: 0; pointer-events: none; background: linear-gradient(90deg, transparent, rgba(48,209,88,.16), transparent); transform: translateX(calc((var(--reveal-progress, 0) * 25%) - 120%)); opacity: .8; transition: transform .6s ease; }
.signal-screen__readout { position: absolute; z-index: 2; top: .75rem; left: .75rem; right: .75rem; display: flex; align-items: center; justify-content: space-between; gap: 1rem; color: var(--dim); font-size: .72rem; text-transform: lowercase; }
.signal-screen__readout strong { color: var(--cyan); letter-spacing: .08em; }
.signal-board__map { position: relative; z-index: 1; width: 100%; min-height: 210px; display: block; }
.signal-track, .signal-flow, .signal-noise path { fill: none; stroke-linecap: round; }
.signal-track { stroke: rgba(253,252,252,.13); stroke-width: 5; }
.signal-flow { stroke: url(#flowGrad); stroke-width: 5; stroke-dasharray: 1000; stroke-dashoffset: calc(1000 - (var(--reveal-progress, 0) * 250)); transition: stroke-dashoffset .55s ease; filter: url(#softGlow); }
.signal-noise { opacity: calc(.78 - (var(--reveal-progress, 0) * .16)); transition: opacity .4s ease; }
.signal-noise path { stroke: rgba(255,69,58,.42); stroke-width: 2; stroke-dasharray: 12 8; animation: noise-jitter 1.6s steps(2, end) infinite; }
.signal-noise rect { fill: rgba(255,69,58,.35); animation: noise-bars 1.2s steps(2, end) infinite; transform-origin: center; }
.signal-pulse circle { fill: var(--cyan); opacity: calc(.18 + (var(--reveal-progress, 0) * .16)); filter: url(#softGlow); }
.signal-node circle { fill: #141111; stroke: rgba(253,252,252,.25); stroke-width: 2; transition: fill .2s ease, stroke .2s ease, filter .2s ease; }
.signal-node text { fill: var(--muted); text-anchor: middle; font: 700 12px var(--font); pointer-events: none; }
.signal-node.is-active circle { fill: rgba(48,209,88,.18); stroke: var(--green); filter: url(#softGlow); }
.signal-node.is-active text { fill: var(--ink); }
.signal-glitch-grid { position: absolute; inset: auto 0 0; height: 32%; pointer-events: none; display: grid; grid-template-columns: repeat(6, 1fr); opacity: calc(.45 - (var(--reveal-progress, 0) * .08)); }
.signal-glitch-grid i { display: block; background: linear-gradient(180deg, transparent, rgba(100,210,255,.12)); transform: scaleY(.35); transform-origin: bottom; animation: equalizer 1.4s steps(3, end) infinite; }
.signal-glitch-grid i:nth-child(2n) { animation-delay: -.35s; background: linear-gradient(180deg, transparent, rgba(48,209,88,.14)); }
.signal-board.is-tuning .signal-screen { animation: board-tune .38s steps(2, end) 2; }
@keyframes signal-scan { from { background-position: 0 -80px, 0 0; } to { background-position: 0 220px, 0 0; } }
@keyframes noise-jitter { 0%,100% { transform: translateX(0); } 40% { transform: translateX(5px); } 70% { transform: translateX(-3px); } }
@keyframes noise-bars { 0%,100% { transform: scaleX(1); opacity: .35; } 50% { transform: scaleX(.42); opacity: .62; } }
@keyframes equalizer { 0%,100% { transform: scaleY(.25); } 30% { transform: scaleY(.95); } 65% { transform: scaleY(.52); } }
@keyframes board-tune { 0%,100% { transform: none; filter: none; } 40% { transform: translateX(2px); filter: hue-rotate(32deg); } 70% { transform: translateX(-2px); filter: hue-rotate(-22deg); } }
.module-list { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: .5rem; list-style: none; padding: 0; margin: 0; }
.module-button { width: 100%; min-height: 92px; border: 1px solid var(--line); background: rgba(253,252,252,.045); color: var(--ink); padding: .65rem; font: inherit; text-align: left; cursor: pointer; display: grid; gap: .18rem; align-content: start; }
.module-button span { color: var(--cyan); font-size: .72rem; text-transform: lowercase; }
.module-button strong { font-size: .85rem; }
.module-button small { color: var(--dim); font-size: .68rem; line-height: 1.25; }
.module-button:hover:not(:disabled), .module-button.is-active { border-color: rgba(100,210,255,.62); background: rgba(100,210,255,.1); }
.module-button:disabled { cursor: not-allowed; opacity: .45; }
.module-button.is-complete { border-color: rgba(48,209,88,.65); background: rgba(48,209,88,.12); opacity: 1; }
.module-button.is-complete span { color: var(--green); }
.reveal-meter { height: 8px; border: 1px solid var(--line); background: rgba(253,252,252,.04); margin-top: .85rem; overflow: hidden; }
.reveal-meter span { display: block; width: calc(var(--reveal-progress, 0) * 25%); height: 100%; background: linear-gradient(90deg, var(--green), var(--blue)); transition: width .45s ease; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: .78rem 1rem; border-radius: var(--radius); border: 1px solid var(--line); text-decoration: none; font: 700 .9rem/1 var(--font); transition: transform .15s ease, background .15s ease, border-color .15s ease; cursor: pointer; }
.button:hover { transform: translateY(-2px); }
.button--primary { background: var(--green); color: #061107; border-color: var(--green); }
.button--primary:hover { color: #061107; background: #4be973; }
.button--ghost { background: rgba(253,252,252,.04); color: var(--ink); }
.reveal-all { margin-top: .9rem; width: 100%; }
.section { position: relative; scroll-margin-top: 96px; padding: clamp(4.5rem, 9vw, 7rem) 0; border-top: 1px solid var(--line); }
.js .locked-section:not(.is-unlocked) { min-height: clamp(700px, 92svh, 860px); overflow: hidden; }
.section-content { transition: opacity .28s ease, filter .28s ease, transform .28s ease; }
.js .locked-section:not(.is-unlocked) .section-content { opacity: .2; filter: blur(5px) saturate(.45); user-select: none; pointer-events: none; transform: translateY(6px); }
.section-lock { display: none; }
.js .locked-section:not(.is-unlocked) .section-lock { position: absolute; inset: 0; z-index: 2; display: grid; place-items: center; padding: var(--pad); background: linear-gradient(180deg, rgba(20,17,17,.2), rgba(20,17,17,.82)); }
.js .locked-section:not(.is-unlocked) .section-lock::before { content: ""; position: absolute; inset: 0; pointer-events: none; background: repeating-linear-gradient(0deg, rgba(253,252,252,.075) 0 1px, transparent 2px 7px), linear-gradient(90deg, transparent 0 8%, rgba(255,69,58,.2) 10%, transparent 12% 40%, rgba(100,210,255,.18) 42%, transparent 45%); opacity: .38; mix-blend-mode: screen; animation: tv-static 1.8s steps(2, end) infinite; }
.js .locked-section:not(.is-unlocked) .section-lock::after { content: ""; position: absolute; left: -8%; right: -8%; top: 45%; height: 56px; pointer-events: none; background: linear-gradient(90deg, transparent, rgba(48,209,88,.18), rgba(100,210,255,.16), transparent); transform: skewX(-8deg); opacity: .42; animation: tv-roll 4.2s linear infinite; }
.lock-card { position: relative; z-index: 1; width: min(100%, 760px); border: 1px solid rgba(100,210,255,.56); background: linear-gradient(180deg, rgba(18,24,28,.96), rgba(20,17,17,.92)); color: var(--ink); padding: clamp(1rem, 3vw, 1.35rem); box-shadow: 0 0 60px rgba(100,210,255,.16), 0 28px 90px rgba(0,0,0,.36); }
.lock-card::before, .lock-card::after { content: ""; position: absolute; inset: 0; pointer-events: none; border: 1px solid transparent; }
.lock-card::before { transform: translate(3px, -2px); border-color: rgba(100,210,255,.35); clip-path: inset(0 0 62% 0); animation: lock-glitch-a 4s steps(1, end) infinite; }
.lock-card::after { transform: translate(-3px, 2px); border-color: rgba(48,209,88,.32); clip-path: inset(55% 0 0 0); animation: lock-glitch-b 5s steps(1, end) infinite; }
.lock-card__code { display: inline-flex; border: 1px solid rgba(48,209,88,.45); color: var(--green); background: rgba(48,209,88,.08); padding: .25rem .45rem; font-size: .76rem; text-transform: lowercase; }
.lock-card strong { display: block; margin-top: .85rem; font-size: clamp(1.1rem, 3vw, 1.35rem); letter-spacing: -.04em; }
.lock-card p { color: var(--muted); margin: .45rem 0 .7rem; font-size: .9rem; }
.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; }
.challenge-form { display: grid; gap: .75rem; }
.terminal-input { display: flex; align-items: center; gap: .55rem; min-height: 48px; border: 1px solid rgba(48,209,88,.42); background: rgba(0,0,0,.26); color: var(--green); padding: .6rem .75rem; }
.terminal-input input { min-width: 0; flex: 1; border: 0; outline: 0; background: transparent; color: var(--ink); font: 700 1rem var(--font); }
.terminal-input input[maxlength="1"] { flex: 0 0 2ch; text-align: center; }
.terminal-input span { min-width: 0; overflow-wrap: anywhere; }
.terminal-input input::placeholder { color: rgba(253,252,252,.38); }
.challenge-hint { display: block; color: var(--dim); font-size: .76rem; }

.tangram-canvas {
  width: 100%;
  height: clamp(330px, 48vw, 460px);
  min-height: 330px;
  border: 1px solid rgba(253,252,252,.12);
  background:
    radial-gradient(circle at 26% 20%, rgba(100,210,255,.11), transparent 9rem),
    radial-gradient(circle at 74% 78%, rgba(48,209,88,.09), transparent 10rem),
    linear-gradient(180deg, rgba(0,0,0,.3), rgba(5,9,13,.4));
  display: block;
  cursor: grab;
  touch-action: none;
}
.tangram-canvas:active { cursor: grabbing; }
.tangram-canvas:focus-visible { outline: 3px solid var(--cyan); outline-offset: 4px; }
.tangram-meta { display: flex; flex-wrap: wrap; gap: .45rem; }
.tangram-meta span { display: inline-flex; align-items: center; min-height: 28px; border: 1px solid rgba(100,210,255,.22); color: var(--cyan); background: rgba(100,210,255,.07); padding: .25rem .5rem; font-size: .7rem; text-transform: lowercase; }
.tangram-challenge.is-solved .tangram-canvas { border-color: rgba(48,209,88,.66); box-shadow: inset 0 0 42px rgba(48,209,88,.08), 0 0 38px rgba(48,209,88,.1); }
.tangram-challenge.is-dragging .tangram-canvas { border-color: rgba(100,210,255,.52); }

@media (min-width: 760px) {
  .lock-card.tangram-challenge {
    display: grid;
    grid-template-columns: minmax(240px, .68fr) minmax(380px, 1fr);
    column-gap: 1.1rem;
    row-gap: .65rem;
    align-items: start;
  }
  .lock-card.tangram-challenge .tangram-canvas {
    grid-column: 2;
    grid-row: 1 / span 5;
    height: clamp(330px, 32vw, 410px);
  }
  .lock-card.tangram-challenge .tangram-meta,
  .lock-card.tangram-challenge .challenge-hint {
    grid-column: 1;
  }
}

@media (min-width: 1180px) {
  .lock-card.tangram-challenge { width: min(100%, 860px); }
  .tangram-canvas { height: clamp(350px, 34vw, 450px); }
}
@media (max-width: 680px) {
  .js .locked-section:not(.is-unlocked) { min-height: 700px; }
  .lock-card { width: min(100%, 96vw); }
  .tangram-canvas { height: 330px; }
}
.locked-section.is-unlocked { animation: unlock-in .55s ease both; }
.locked-section.is-tuning { animation: board-tune .38s steps(2, end) 2; }
@keyframes tv-static { 0%,100% { transform: translate(0); opacity: .6; } 25% { transform: translate(5px,-3px); opacity: .86; } 50% { transform: translate(-4px,2px); opacity: .7; } 75% { transform: translate(2px,4px); opacity: .9; } }
@keyframes tv-roll { from { top: -20%; } to { top: 120%; } }
@keyframes lock-glitch-a { 0%,92%,100% { opacity: 0; } 93%,95% { opacity: .9; } }
@keyframes lock-glitch-b { 0%,88%,100% { opacity: 0; } 89%,91% { opacity: .75; } }
@keyframes unlock-in { from { opacity: .72; transform: translateY(10px); } to { opacity: 1; transform: none; } }
.section__split { display: grid; grid-template-columns: minmax(0, .9fr) minmax(280px, .62fr); gap: 2rem; align-items: end; margin-bottom: 2rem; }
.section__intro { color: var(--muted); margin: 0; max-width: 56ch; }
.stack-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: .75rem; }
.stack-card, .repo-card, .pipeline article, .faq-list details { border: 1px solid var(--line); background: rgba(32,29,29,.72); padding: 1rem; min-height: 100%; }
.stack-card span, .repo-card__meta, .pipeline strong { color: var(--green); font-size: .76rem; }
.stack-card h3, .repo-card h3 { margin: .85rem 0 .5rem; font-size: 1rem; }
.stack-card p, .repo-card p, .pipeline span, .contact p, .faq-list p { color: var(--muted); margin: 0; font-size: .93rem; }
.project-shell { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .75rem; }
.repo-card--featured { grid-row: span 2; background: linear-gradient(135deg, rgba(48,209,88,.13), rgba(0,122,255,.08) 54%, rgba(32,29,29,.9)); }
.repo-card__meta { display: flex; justify-content: space-between; gap: 1rem; text-transform: lowercase; }
.repo-card h3 a { display: inline-flex; align-items: center; min-height: 44px; text-decoration-thickness: 1px; text-underline-offset: .2em; }
.repo-card h3 a::after { content: " ↗"; color: var(--green); font-size: .8em; }
.repo-card:hover { border-color: rgba(48, 209, 88, .42); background: rgba(48, 209, 88, .055); }
.contribution-console { position: relative; overflow: hidden; border: 1px solid rgba(100,210,255,.24); background: linear-gradient(135deg, rgba(13,18,22,.94), rgba(32,29,29,.86)); box-shadow: 0 30px 90px rgba(0,0,0,.26); }
.contribution-console::before { content: ""; position: absolute; inset: 42px 0 0; pointer-events: none; background: radial-gradient(circle at 15% 30%, rgba(48,209,88,.13), transparent 18rem), radial-gradient(circle at 86% 18%, rgba(100,210,255,.15), transparent 20rem); }
.contribution-console__body { position: relative; z-index: 1; padding: clamp(1rem, 3vw, 1.5rem); display: grid; grid-template-columns: minmax(310px, .72fr) minmax(360px, 1fr); gap: clamp(1rem, 3vw, 1.5rem); align-items: stretch; }
.contribution-console__intro { grid-column: 1 / -1; display: grid; grid-template-columns: minmax(0, .72fr) minmax(240px, .55fr); gap: 1rem; align-items: end; }
.contribution-console__intro h3 { margin: 0; font-size: clamp(1.35rem, 3vw, 2rem); letter-spacing: -.05em; }
.contribution-console__intro p:not(.eyebrow) { color: var(--muted); margin: 0; font-size: .93rem; }
.contribution-map { grid-column: 1; grid-row: 2 / span 2; min-height: 300px; border: 1px solid rgba(253,252,252,.1); background: rgba(0,0,0,.2); display: grid; place-items: center; overflow: hidden; }
.contribution-map svg { width: 112%; max-width: none; height: auto; min-height: 260px; }
.contribution-map__track, .contribution-map__flow { fill: none; stroke-linecap: round; stroke-width: 6; }
.contribution-map__track { stroke: rgba(253,252,252,.12); }
.contribution-map__flow { stroke: url(#traceGradient); stroke-dasharray: 720; stroke-dashoffset: 720; filter: url(#traceGlow); animation: contribution-trace 3.8s ease-in-out infinite; }
.contribution-map__node circle { fill: #141111; stroke: rgba(253,252,252,.28); stroke-width: 2; transition: fill .18s ease, stroke .18s ease, filter .18s ease, transform .18s ease; transform-origin: center; }
.contribution-map__node text { fill: var(--muted); font: 800 13px var(--font); text-anchor: middle; pointer-events: none; }
.contribution-map__node.is-active circle { fill: rgba(48,209,88,.16); stroke: var(--green); filter: url(#traceGlow); transform: scale(1.08); }
.contribution-map__node.is-active text { fill: var(--ink); }
.contribution-tabs { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .55rem; grid-column: 2; grid-row: 2; align-self: start; }
.contribution-tab { min-height: 48px; border: 1px solid var(--line); background: rgba(253,252,252,.045); color: var(--muted); font: 800 .78rem/1.2 var(--font); text-align: left; padding: .7rem .75rem; cursor: pointer; }
.contribution-tab span { color: var(--cyan); margin-right: .35rem; }
.contribution-tab.is-active { color: var(--ink); border-color: rgba(48,209,88,.7); background: linear-gradient(135deg, rgba(48,209,88,.16), rgba(100,210,255,.08)); }
.contribution-panels { grid-column: 2; grid-row: 3; min-height: 244px; display: grid; }
.contribution-panel { border: 1px solid rgba(48,209,88,.35); background: linear-gradient(180deg, rgba(253,252,252,.065), rgba(253,252,252,.035)); padding: clamp(1rem, 2.5vw, 1.25rem); align-content: start; min-height: 100%; animation: contribution-panel-in .28s ease both; }
.contribution-panel[hidden] { display: none; }
.contribution-panel__where { display: inline-flex; color: var(--green); font-size: .74rem; text-transform: lowercase; margin-bottom: .8rem; }
.contribution-panel h4 { margin: 0 0 .7rem; font-size: clamp(1.15rem, 2.2vw, 1.55rem); line-height: 1.15; letter-spacing: -.045em; }
.contribution-panel p { color: #d8d2d2; margin: 0; font-size: .98rem; }
.contribution-panel strong { display: block; margin-top: 1rem; color: var(--ink); font-size: .92rem; line-height: 1.45; }
@keyframes contribution-trace { 0% { stroke-dashoffset: 720; opacity: .45; } 42%, 68% { stroke-dashoffset: 0; opacity: 1; } 100% { stroke-dashoffset: -720; opacity: .55; } }
@keyframes contribution-panel-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

.signal-orbit { position: relative; }
.signal-orbit__screen { fill: rgba(0,0,0,.18); stroke: rgba(253,252,252,.08); }
.signal-orbit__core { fill: url(#konvokaCore); opacity: .9; transform-origin: center; animation: orbit-core 4.8s ease-in-out infinite; }
.signal-orbit__rings ellipse { fill: none; stroke: rgba(100,210,255,.18); stroke-width: 1.3; stroke-dasharray: 10 12; transform-origin: center; animation: orbit-spin 18s linear infinite; }
.signal-orbit__rings ellipse:nth-child(2) { stroke: rgba(48,209,88,.16); animation-duration: 23s; animation-direction: reverse; }
.signal-orbit__packet { filter: url(#traceGlow); }
@keyframes orbit-core { 0%,100% { opacity: .56; transform: scale(.96); } 50% { opacity: .94; transform: scale(1.05); } }
@keyframes orbit-spin { to { transform: rotate(360deg); } }
.trajectory-console { scroll-margin-top: 96px; margin-top: 1.25rem; display: grid; gap: 1rem; padding: clamp(1rem, 3vw, 1.5rem); border: 1px solid rgba(48,209,88,.24); background: linear-gradient(135deg, rgba(32,29,29,.78), rgba(10,15,18,.9)); box-shadow: 0 30px 90px rgba(0,0,0,.2); overflow: clip; }
.trajectory-copy { display: grid; grid-template-columns: minmax(0, .78fr) minmax(260px, .58fr); gap: 1rem; align-items: end; }
.trajectory-copy h3 { margin: 0; font-size: clamp(1.35rem, 3vw, 2.15rem); line-height: 1.05; letter-spacing: -.055em; max-width: 18ch; }
.trajectory-copy p:not(.eyebrow) { margin: 0; color: var(--muted); font-size: .93rem; }
.trajectory-workspace { display: grid; grid-template-columns: minmax(0, 1.04fr) minmax(320px, .82fr); gap: 1rem; align-items: stretch; }
.trajectory-field { position: relative; min-height: clamp(360px, 46vw, 520px); border: 1px solid rgba(253,252,252,.1); background: radial-gradient(circle at 34% 24%, rgba(100,210,255,.14), transparent 14rem), radial-gradient(circle at 72% 68%, rgba(191,90,242,.12), transparent 15rem), rgba(0,0,0,.2); overflow: hidden; isolation: isolate; touch-action: none; }
.trajectory-field::before, .trajectory-field::after { content: ""; position: absolute; inset: 12%; border: 1px solid rgba(100,210,255,.09); border-radius: 47% 53% 51% 49%; transform: rotate(-10deg); pointer-events: none; }
.trajectory-field::after { inset: 24% 18%; border-color: rgba(48,209,88,.12); transform: rotate(18deg); }
.trajectory-field__grid { position: absolute; inset: 0; opacity: .4; background-image: linear-gradient(rgba(253,252,252,.055) 1px, transparent 1px), linear-gradient(90deg, rgba(253,252,252,.055) 1px, transparent 1px); background-size: 42px 42px; mask-image: radial-gradient(circle at center, #000 20%, transparent 74%); pointer-events: none; }
.trajectory-field__hint { position: absolute; left: 1rem; right: 1rem; bottom: 1rem; margin: 0; color: var(--dim); font-size: .78rem; z-index: 1; }
.trajectory-button { border: 1px solid var(--line); background: rgba(253,252,252,.055); color: var(--muted); font: inherit; text-align: left; cursor: grab; display: grid; align-content: start; gap: .12rem; position: relative; overflow: hidden; }
.trajectory-particle { --tx: 50%; --ty: 50%; --phase: 0ms; position: absolute; z-index: 2; left: var(--tx); top: var(--ty); width: clamp(128px, 17vw, 166px); min-height: 96px; padding: .72rem; transform: translate3d(-50%, -50%, 0); border-radius: 1rem; box-shadow: 0 18px 40px rgba(0,0,0,.22); touch-action: none; user-select: none; will-change: transform; transition: border-color .18s ease, background .18s ease, box-shadow .18s ease, opacity .18s ease; animation: trajectory-float 6.8s cubic-bezier(.45, 0, .35, 1) var(--phase) infinite; }
.trajectory-particle:nth-of-type(2n) { animation-name: trajectory-float-alt; }
.trajectory-particle::before { content: ""; position: absolute; inset: auto 12px 10px; height: 3px; border-radius: 99px; background: linear-gradient(90deg, var(--orange), var(--green), var(--cyan)); transform: scaleX(.24); transform-origin: left; transition: transform .2s ease; }
.trajectory-particle::after { content: ""; position: absolute; width: 10px; height: 10px; border-radius: 999px; right: 12px; top: 12px; background: var(--cyan); box-shadow: 0 0 22px rgba(100,210,255,.72); opacity: .72; }
.trajectory-particle span { color: var(--cyan); font-size: .7rem; text-transform: lowercase; }
.trajectory-particle strong { color: var(--ink); font-size: .96rem; }
.trajectory-particle small { color: var(--dim); font-size: .7rem; }
.trajectory-particle:hover, .trajectory-particle.is-active { border-color: rgba(100,210,255,.72); background: linear-gradient(135deg, rgba(48,209,88,.13), rgba(100,210,255,.08)); color: var(--ink); box-shadow: 0 22px 54px rgba(0,0,0,.32), 0 0 0 1px rgba(100,210,255,.12); }
.trajectory-particle.is-active::before { transform: scaleX(1); }
.trajectory-particle.is-dragging { cursor: grabbing; z-index: 8; animation: none; opacity: .34; box-shadow: 0 30px 80px rgba(0,0,0,.42), 0 0 0 1px rgba(48,209,88,.36); }
.trajectory-particle-ghost { position: fixed; left: 0; top: 0; z-index: 30; margin: 0; pointer-events: none; cursor: grabbing; animation: none !important; opacity: .96; border-color: rgba(48,209,88,.72); background: linear-gradient(135deg, rgba(48,209,88,.18), rgba(100,210,255,.12)); box-shadow: 0 34px 90px rgba(0,0,0,.5), 0 0 0 1px rgba(48,209,88,.38), 0 0 48px rgba(100,210,255,.18); will-change: transform; }
.trajectory-dropzone { position: relative; min-height: clamp(360px, 46vw, 520px); border: 1px dashed rgba(100,210,255,.32); background: linear-gradient(180deg, rgba(253,252,252,.06), rgba(253,252,252,.03)); padding: clamp(1rem, 2.5vw, 1.2rem); display: grid; align-content: stretch; overflow: hidden; transition: border-color .16s ease, background .16s ease, box-shadow .16s ease, transform .16s ease; }
.trajectory-dropzone.is-over { border-color: var(--green); background: linear-gradient(180deg, rgba(48,209,88,.12), rgba(100,210,255,.05)); box-shadow: inset 0 0 0 1px rgba(48,209,88,.32), 0 0 46px rgba(48,209,88,.12); transform: translateY(-2px); }
.trajectory-dropzone__empty { position: absolute; inset: 1rem; display: grid; place-content: center; text-align: center; gap: .35rem; color: var(--dim); border: 1px solid rgba(253,252,252,.08); background: repeating-linear-gradient(135deg, rgba(253,252,252,.035) 0 1px, transparent 1px 12px); pointer-events: none; transition: opacity .18s ease, transform .18s ease; }
.trajectory-dropzone__empty span { color: var(--cyan); font-size: .75rem; }
.trajectory-dropzone__empty strong { color: var(--ink); font-size: clamp(1.1rem, 2.3vw, 1.45rem); }
.trajectory-dropzone.has-selection .trajectory-dropzone__empty { opacity: 0; transform: scale(.98); }
.trajectory-panels { display: grid; z-index: 1; }
.trajectory-panel { border: 1px solid rgba(100,210,255,.34); background: linear-gradient(180deg, rgba(5,9,13,.88), rgba(14,16,20,.9)); padding: clamp(1rem, 2.5vw, 1.2rem); min-height: 100%; animation: contribution-panel-in .28s ease both; box-shadow: 0 20px 60px rgba(0,0,0,.22); }
.trajectory-panel[hidden] { display: none; }
.trajectory-panel span { display: inline-flex; color: var(--green); font-size: .74rem; text-transform: lowercase; margin-bottom: .8rem; }
.trajectory-panel h4 { margin: 0 0 .7rem; font-size: clamp(1.15rem, 2.2vw, 1.52rem); line-height: 1.15; letter-spacing: -.045em; }
.trajectory-panel p { color: #d8d2d2; margin: 0; font-size: .98rem; }
.trajectory-panel ul { margin: 1rem 0 0; padding: 0; list-style: none; display: grid; gap: .45rem; }
.trajectory-panel li { color: var(--muted); font-size: .86rem; border-left: 2px solid rgba(100,210,255,.42); padding-left: .65rem; }
@keyframes trajectory-float { 0%,100% { transform: translate3d(calc(-50% - 2px), calc(-50% - 7px), 0) rotate(-.45deg); } 33% { transform: translate3d(calc(-50% + 4px), calc(-50% + 3px), 0) rotate(.35deg); } 66% { transform: translate3d(calc(-50% - 1px), calc(-50% + 7px), 0) rotate(-.15deg); } }
@keyframes trajectory-float-alt { 0%,100% { transform: translate3d(calc(-50% + 3px), calc(-50% + 6px), 0) rotate(.35deg); } 45% { transform: translate3d(calc(-50% - 4px), calc(-50% - 5px), 0) rotate(-.3deg); } 75% { transform: translate3d(calc(-50% + 1px), calc(-50% - 8px), 0) rotate(.12deg); } }

.pipeline { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: .75rem; margin-top: 2rem; }
.pipeline article { position: relative; overflow: hidden; }
.pipeline article::before { content: ""; position: absolute; inset: 0 0 auto; height: 3px; background: linear-gradient(90deg, var(--green), var(--blue)); transform-origin: left; transform: scaleX(.22); }
.pipeline strong, .pipeline span { display: block; }
.pipeline span { margin-top: .75rem; }
.faq-list { display: grid; gap: .75rem; }
.faq-list summary { cursor: pointer; color: var(--ink); font-weight: 700; }
.faq-list details[open] { border-color: rgba(48,209,88,.42); }
.faq-list p { margin-top: .75rem; }
.contact__box { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 2rem; align-items: center; padding: clamp(1.25rem, 4vw, 2rem); border: 1px solid var(--line); background: linear-gradient(135deg, rgba(253,252,252,.07), rgba(48,209,88,.08)); }
.contact h2 { max-width: 18ch; }
.contact__actions { display: flex; flex-wrap: wrap; gap: .75rem; }
.footer { border-top: 1px solid var(--line); padding: 2rem 0; color: var(--dim); }
.footer__inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.footer p { margin: 0; }
.footer a { display: inline-flex; align-items: center; min-height: 44px; }

.contact-email-card {
  grid-column: 1 / -1;
  display: grid;
  gap: .45rem;
  margin: -.25rem 0 0;
  padding: 1rem;
  border: 1px solid rgba(100,210,255,.24);
  background: linear-gradient(135deg, rgba(100,210,255,.08), rgba(48,209,88,.055));
  max-width: 78ch;
}
.contact-email-label { color: var(--green); font-size: .78rem; font-weight: 800; text-transform: lowercase; letter-spacing: .08em; }
.contact-email-value { color: var(--ink); font-size: clamp(1.1rem, 2vw, 1.35rem); overflow-wrap: anywhere; }
.contact-email-copy { margin: 0; color: var(--muted); font-size: .92rem; line-height: 1.65; }

@media (max-width: 900px) {
  .hero__grid, .section__split, .contact__box, .contribution-console__body, .contribution-console__intro, .trajectory-copy, .trajectory-workspace { grid-template-columns: 1fr; }
  .contribution-map, .contribution-tabs, .contribution-panels { grid-column: auto; grid-row: auto; }
  .contribution-map svg { width: 100%; }
  .stack-grid, .pipeline { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .project-shell { grid-template-columns: 1fr 1fr; }
  .repo-card--featured { grid-row: auto; grid-column: 1 / -1; }
}
@media (max-width: 680px) {
  .scanline, .hero__canvas { display: none; }
  .glitch-copy, .reveal-console::after, .recruiter-panel::after, .section-lock::before, .section-lock::after { animation: none; display: none; }
  body { background: radial-gradient(circle at 20% 0%, rgba(48,209,88,.12), transparent 20rem), var(--bg); }
  .nav { min-height: 68px; }
  .brand__mark { width: 42px; height: 42px; flex-basis: 42px; }
  .brand small { max-width: 19ch; }
  .nav__toggle { display: inline-grid; place-items: center; }
  .nav__menu { position: absolute; inset: 68px var(--pad) auto; display: none; flex-direction: column; align-items: stretch; padding: .5rem; border: 1px solid var(--line); background: var(--surface); }
  .nav__menu.is-open { display: flex; }
  .nav__menu a { width: 100%; }
  .hero { min-height: auto; padding-top: 3rem; }
  h1 { max-width: 12ch; }
  .hero__actions, .hero__actions .button, .hero__quick-cta { width: 100%; }
  .hero__actions { display: grid; }
  .hero__facts, .stack-grid, .pipeline, .project-shell, .module-list, .contribution-tabs { grid-template-columns: 1fr; }
  .signal-screen { min-height: 176px; }
  .signal-board__map { min-height: 176px; }
  .trajectory-field, .trajectory-dropzone { min-height: 620px; }
  .trajectory-particle { width: min(132px, 42vw); min-height: 88px; padding: .65rem; }
  .trajectory-particle strong { font-size: .9rem; }
  .trajectory-field__hint { position: static; padding: 1rem; }
  .section { padding: 4rem 0; }
  .button { width: 100%; }
  .footer__inner { display: grid; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: .01ms !important; }
  .hero__canvas { display: none; }
  .signal-pulse, .glitch-copy { display: none; }
  .contribution-map__flow { animation: none; stroke-dashoffset: 0; }
  .signal-orbit__core, .signal-orbit__rings ellipse { animation: none; }
  .signal-orbit__packet { display: none; }
}


/* Language switch */
.language-switch {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem;
  border: 1px solid var(--line);
  background: rgba(253,252,252,.045);
}
.language-switch__button {
  min-width: 44px;
  min-height: 36px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--muted);
  font: 800 .78rem/1 var(--font);
  cursor: pointer;
}
.language-switch__button:hover,
.language-switch__button:focus-visible {
  color: var(--ink);
  border-color: var(--line);
}
.language-switch__button.is-active {
  color: #061107;
  background: var(--green);
  border-color: var(--green);
}
@media (max-width: 680px) {
  .language-switch { margin-left: auto; }
  .language-switch__button { min-width: 42px; min-height: 34px; }
}