:root {
  --bg: #05060a;
  --bg-2: #0a0c14;
  --surface: rgba(255, 255, 255, 0.035);
  --surface-2: rgba(255, 255, 255, 0.06);
  --line: rgba(255, 255, 255, 0.08);
  --line-2: rgba(255, 255, 255, 0.16);
  --text: #eef1f8;
  --muted: #8b93a7;
  --dim: #5b6275;
  --cyan: #5ef2ff;
  --violet: #a78bfa;
  --pink: #f472b6;
  --grad: linear-gradient(100deg, var(--cyan) 0%, var(--violet) 55%, var(--pink) 100%);
  --radius: 18px;
  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;
  --ease: cubic-bezier(.2, .7, .2, 1);
}

@property --angle { syntax: '<angle>'; initial-value: 0deg; inherits: false; }

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 16px/1.6 var(--font-body); -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
img, svg { display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { font-family: var(--font-display); font-weight: 600; letter-spacing: -0.03em; margin: 0; line-height: 1.05; }
p { margin: 0; }
::selection { background: rgba(94, 242, 255, .3); }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; border-radius: 6px; }

.container { width: min(1200px, 100% - 32px); margin-inline: auto; }
.container.narrow { width: min(820px, 100% - 32px); }
.center { text-align: center; justify-content: center; }
.muted { color: var(--dim); }
.gradient-text { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* ---------- ambient layers ---------- */
.cursor-glow {
  position: fixed; left: 0; top: 0; width: 600px; height: 600px; border-radius: 50%; pointer-events: none; z-index: 0;
  background: radial-gradient(circle, rgba(94, 242, 255, .07), rgba(167, 139, 250, .04) 40%, transparent 70%);
  transform: translate(-50%, -50%); transition: opacity .3s; opacity: 0;
}
.grain {
  position: fixed; inset: 0; pointer-events: none; z-index: 100; opacity: .035; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
main, footer { position: relative; z-index: 1; }

/* ---------- nav ---------- */
.nav {
  position: fixed; top: 14px; left: 50%; transform: translateX(-50%); z-index: 50;
  width: min(1200px, 100% - 24px); display: flex; align-items: center; gap: 24px;
  padding: 10px 10px 10px 18px; border-radius: 16px; border: 1px solid transparent;
  transition: background .3s, border-color .3s, backdrop-filter .3s;
}
.nav.scrolled { background: rgba(8, 10, 16, .72); border-color: var(--line); backdrop-filter: blur(16px) saturate(140%); -webkit-backdrop-filter: blur(16px) saturate(140%); }
.logo { display: flex; align-items: center; gap: 10px; font: 600 15px var(--font-display); letter-spacing: .12em; }
.logo svg { width: 26px; height: 26px; fill: none; stroke: var(--cyan); stroke-width: 2.6; stroke-linecap: round; stroke-linejoin: round; filter: drop-shadow(0 0 6px rgba(94,242,255,.6)); }
.logo em { font-style: normal; color: var(--cyan); font-weight: 500; }
.nav-links { display: flex; gap: 4px; margin-left: auto; }
.nav-links a { padding: 8px 14px; border-radius: 10px; font-size: 14px; color: var(--muted); transition: color .2s, background .2s; }
.nav-links a:hover { color: var(--text); background: var(--surface-2); }
.menu-btn { display: none; }

/* ---------- buttons ---------- */
.btn {
  --pad: 14px 24px; position: relative; display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: var(--pad); border-radius: 12px; border: 1px solid var(--line-2); background: transparent; color: var(--text);
  font: 500 15px var(--font-body); cursor: pointer; white-space: nowrap;
  transition: transform .25s var(--ease), background .25s, border-color .25s, box-shadow .25s;
}
.btn-sm { --pad: 9px 16px; font-size: 14px; }
.btn-primary { background: var(--text); color: #05060a; border-color: transparent; box-shadow: 0 0 0 0 rgba(94,242,255,0); }
.btn-primary:hover { box-shadow: 0 0 32px -4px rgba(94, 242, 255, .55); background: #fff; }
.btn-ghost:hover { background: var(--surface-2); border-color: rgba(255,255,255,.3); }
.btn .arrow { transition: transform .25s var(--ease); }
.btn:hover .arrow { transform: translateX(4px); }
.btn:disabled { opacity: .6; cursor: progress; }
.magnetic { will-change: transform; }

/* ---------- hero ---------- */
.hero { position: relative; min-height: 100vh; min-height: 100svh; padding: 140px 0 60px; display: flex; flex-direction: column; justify-content: center; overflow: hidden; }
#neural { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-grid {
  position: absolute; inset: 0; pointer-events: none;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, #000 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, #000 20%, transparent 75%);
  opacity: .5;
}
.hero::after {
  content: ''; position: absolute; width: 900px; height: 900px; left: 50%; top: -30%; transform: translateX(-50%); pointer-events: none;
  background: radial-gradient(circle, rgba(167, 139, 250, .16), rgba(94, 242, 255, .06) 40%, transparent 65%);
  filter: blur(20px);
}
.hero-inner { position: relative; z-index: 2; display: grid; grid-template-columns: 1.15fr .85fr; gap: 56px; align-items: center; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px; padding: 6px 14px 6px 10px; border-radius: 99px;
  border: 1px solid var(--line-2); background: var(--surface); font: 500 13px var(--font-mono); color: var(--muted); margin-bottom: 28px;
}
.pulse { width: 8px; height: 8px; border-radius: 50%; background: #34d399; box-shadow: 0 0 0 0 rgba(52, 211, 153, .7); animation: pulse 2s infinite; }
@keyframes pulse { 70% { box-shadow: 0 0 0 10px rgba(52, 211, 153, 0); } 100% { box-shadow: 0 0 0 0 rgba(52, 211, 153, 0); } }
.hero h1 { font-size: clamp(44px, 7.4vw, 96px); font-weight: 600; letter-spacing: -0.045em; }
.scramble { display: inline-block; min-height: 1.05em; white-space: nowrap; font-size: .8em; }
.lead { margin-top: 28px; max-width: 540px; font-size: clamp(16px, 1.4vw, 19px); color: var(--muted); }
.hero-ctas { display: flex; gap: 12px; margin-top: 36px; flex-wrap: wrap; }

/* terminal */
.terminal {
  position: relative; border-radius: var(--radius); background: rgba(10, 12, 20, .78); border: 1px solid var(--line);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); box-shadow: 0 40px 80px -30px rgba(0,0,0,.8);
}
.terminal::before {
  content: ''; position: absolute; inset: -1px; border-radius: inherit; padding: 1px; pointer-events: none;
  background: conic-gradient(from var(--angle), transparent 0 70%, var(--cyan) 80%, var(--violet) 90%, transparent);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude;
  animation: spin 6s linear infinite;
}
@keyframes spin { to { --angle: 360deg; } }
.terminal-bar { display: flex; align-items: center; gap: 7px; padding: 14px 16px; border-bottom: 1px solid var(--line); }
.terminal-bar span { width: 10px; height: 10px; border-radius: 50%; background: #2a2f3d; }
.terminal-bar p { margin-left: 10px; font: 12px var(--font-mono); color: var(--dim); }
.terminal-body { margin: 0; padding: 18px 20px 22px; min-height: 300px; font: 13px/1.75 var(--font-mono); color: #c9d1e3; white-space: pre-wrap; word-break: break-word; }
.terminal-body .t-dim { color: var(--dim); }
.terminal-body .t-cyan { color: var(--cyan); }
.terminal-body .t-violet { color: var(--violet); }
.terminal-body .t-ok { color: #34d399; }
.caret { display: inline-block; width: 8px; height: 15px; background: var(--cyan); vertical-align: -2px; animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

.stats { position: relative; z-index: 2; display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 80px; border-top: 1px solid var(--line); }
.stat { padding: 26px 20px 0 0; display: flex; flex-direction: column; gap: 4px; }
.stat strong { font: 600 clamp(28px, 3vw, 40px) var(--font-display); letter-spacing: -0.03em; }
.stat > span { color: var(--muted); font-size: 14px; }

/* ---------- marquee ---------- */
.marquee { border-block: 1px solid var(--line); overflow: hidden; padding: 22px 0; mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); -webkit-mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); }
.marquee-track { display: flex; gap: 56px; width: max-content; animation: marquee 40s linear infinite; }
.marquee-track span { font: 500 18px var(--font-display); color: var(--dim); white-space: nowrap; display: flex; align-items: center; gap: 56px; }
.marquee-track span::after { content: '✦'; font-size: 10px; color: var(--line-2); }
.marquee:hover .marquee-track { animation-play-state: paused; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- sections ---------- */
.section { padding: clamp(80px, 12vw, 150px) 0; position: relative; }
.section-head { margin-bottom: 56px; max-width: 900px; }
.section-head.center { margin-inline: auto; text-align: center; }
.kicker { font: 500 13px var(--font-mono); color: var(--cyan); margin-bottom: 18px; letter-spacing: .02em; }
.section h2 { font-size: clamp(34px, 5vw, 60px); }
.section-sub { margin-top: 20px; font-size: 18px; color: var(--muted); }
.section-sub em { color: var(--text); font-style: normal; }

/* cards with spotlight */
.cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.card h3 { min-height: 2.3em; }
.card {
  --mx: 50%; --my: 50%; position: relative; padding: 32px 28px; border-radius: var(--radius); background: var(--surface);
  border: 1px solid var(--line); overflow: hidden; transition: transform .4s var(--ease), border-color .3s;
}
.card::before {
  content: ''; position: absolute; inset: 0; opacity: 0; transition: opacity .3s; pointer-events: none;
  background: radial-gradient(400px circle at var(--mx) var(--my), rgba(94, 242, 255, .1), transparent 45%);
}
.card:hover { border-color: var(--line-2); transform: translateY(-4px); }
.card:hover::before { opacity: 1; }
.card-icon { width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center; margin-bottom: 22px; background: linear-gradient(135deg, rgba(94,242,255,.14), rgba(167,139,250,.14)); border: 1px solid var(--line-2); }
.card-icon svg { width: 22px; height: 22px; fill: none; stroke: var(--cyan); stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.card h3 { font-size: 21px; margin-bottom: 10px; letter-spacing: -0.02em; }
.card p { color: var(--muted); font-size: 15px; }
.tags { list-style: none; padding: 0; margin: 22px 0 0; display: flex; flex-wrap: wrap; gap: 6px; }
.tags li { font: 12px var(--font-mono); color: var(--muted); padding: 4px 10px; border-radius: 99px; border: 1px solid var(--line); }

/* fusion */
.fusion { padding-block: clamp(60px, 8vw, 100px); }
.fusion-inner { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 40px; padding: 48px; border-radius: 28px; border: 1px solid var(--line); background: linear-gradient(180deg, var(--surface), transparent); }
.fusion-col ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }
.fusion-col li { font: 500 clamp(17px, 1.8vw, 22px) var(--font-display); letter-spacing: -0.01em; }
.fusion-col:last-child { text-align: right; }
.fusion-core { position: relative; width: 220px; height: 220px; display: grid; place-items: center; }
.fusion-core svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.ring { fill: none; stroke: url(#fg); stroke-width: 1; stroke-dasharray: 4 8; transform-origin: center; }
.r1 { animation: rot 30s linear infinite; opacity: .5; }
.r2 { animation: rot 20s linear infinite reverse; opacity: .7; }
.r3 { animation: rot 12s linear infinite; stroke-dasharray: 2 4; }
.core-dot { filter: drop-shadow(0 0 16px rgba(94,242,255,.9)); animation: breathe 3s ease-in-out infinite; transform-origin: center; }
@keyframes rot { to { transform: rotate(360deg); } }
@keyframes breathe { 50% { transform: scale(1.25); } }
.fusion-core p { position: relative; margin-top: 150px; font: 500 12px/1.3 var(--font-mono); color: var(--muted); text-align: center; text-transform: uppercase; letter-spacing: .15em; }

select { width: 100%; padding: 14px 16px; border-radius: 12px; border: 1px solid var(--line-2); background: rgba(255,255,255,.03); color: var(--text); font: 15px var(--font-body); appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position: calc(100% - 20px) 50%, calc(100% - 15px) 50%; background-size: 5px 5px; background-repeat: no-repeat; }
select:focus { outline: none; border-color: var(--cyan); box-shadow: 0 0 0 4px rgba(94,242,255,.12); }
select option { background: #0a0c14; }

/* case studies */
.clients { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; padding: 18px 0 30px; margin-bottom: 26px; border-bottom: 1px solid var(--line); }
.clients > span { font: 500 12px var(--font-mono); color: var(--cyan); text-transform: uppercase; letter-spacing: .1em; }
.clients ul { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 10px 28px; }
.clients li { font: 600 clamp(16px, 1.6vw, 20px) var(--font-display); color: var(--muted); letter-spacing: -0.01em; transition: color .2s; }
.clients li:hover { color: var(--text); }
.case-filters { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 24px; }
.case-filters button { border: 1px solid var(--line-2); background: transparent; color: var(--muted); padding: 9px 16px; border-radius: 99px; font: 500 14px var(--font-body); cursor: pointer; transition: all .2s; }
.case-filters button:hover { color: var(--text); border-color: rgba(255,255,255,.3); }
.case-filters button[aria-selected=true] { background: var(--text); color: #05060a; border-color: var(--text); }
.count-all { opacity: .6; font-size: 12px; }
.cases { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.case { position: relative; display: flex; flex-direction: column; gap: 12px; padding: 28px 26px; border-radius: var(--radius); border: 1px solid var(--line); background: var(--surface);
  text-align: left; color: inherit; font: inherit; cursor: pointer; overflow: hidden; transition: border-color .3s, transform .4s var(--ease); animation: stepIn .5s var(--ease) both; animation-delay: var(--d, 0s); }
.case::after { content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 2px; background: var(--grad); transform: scaleX(0); transform-origin: left; transition: transform .6s var(--ease); }
.case:hover { border-color: var(--line-2); transform: translateY(-4px); }
.case:hover::after { transform: scaleX(1); }
.case .uc-tag { font: 12px var(--font-mono); color: var(--cyan); }
.case h3 { font-size: 21px; line-height: 1.2; letter-spacing: -0.02em; }
.case .client { font-size: 13px; color: var(--violet); }
.case p { color: var(--muted); font-size: 15px; }
.metrics { list-style: none; padding: 0; margin: auto 0 0; display: flex; flex-wrap: wrap; gap: 6px; padding-top: 6px; }
.metrics li { font: 12px var(--font-mono); color: var(--text); padding: 4px 10px; border-radius: 99px; background: var(--surface-2); border: 1px solid var(--line); }
.case .more { font-size: 13px; color: var(--muted); transition: color .2s; }
.case:hover .more { color: var(--cyan); }
.case-modal { width: min(760px, 100% - 24px); max-height: min(86vh, 900px); padding: 0; border-radius: 22px; border: 1px solid var(--line-2); background: #0a0c14; color: var(--text); overflow: auto; }
.case-modal::backdrop { background: rgba(3, 4, 8, .72); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); }
.case-modal[open] { animation: stepIn .35s var(--ease); }
.modal-close { position: sticky; top: 14px; float: right; margin: 14px 14px 0 0; width: 38px; height: 38px; border-radius: 50%; border: 1px solid var(--line-2); background: var(--surface-2); color: var(--text); font-size: 22px; line-height: 1; cursor: pointer; z-index: 1; }
#case-modal-body { padding: clamp(24px, 5vw, 44px); }
#case-modal-body h3 { font-size: clamp(24px, 3vw, 32px); line-height: 1.15; margin: 10px 0 8px; }
#case-modal-body h4 { font: 500 12px var(--font-mono); color: var(--cyan); text-transform: uppercase; letter-spacing: .1em; margin: 26px 0 10px; }
#case-modal-body p { color: var(--muted); }
#case-modal-body .metrics { margin-top: 18px; }

/* industries (tabs) */
.ind-tabs { display: grid; grid-template-columns: 300px 1fr; gap: 16px; align-items: stretch; }
.ind-tablist { display: flex; flex-direction: column; gap: 4px; padding: 8px; border-radius: var(--radius); border: 1px solid var(--line); background: var(--surface); }
.ind-tablist button { display: flex; align-items: center; gap: 12px; width: 100%; padding: 13px 14px; border: 0; border-radius: 12px; background: transparent; color: var(--muted); font: 500 15px var(--font-body); text-align: left; cursor: pointer; transition: color .2s, background .2s; position: relative; }
.ind-tablist button svg { width: 18px; height: 18px; flex: none; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.ind-tablist button:hover { color: var(--text); background: var(--surface-2); }
.ind-tablist button[aria-selected=true] { color: var(--text); background: linear-gradient(90deg, rgba(94,242,255,.12), rgba(167,139,250,.06)); box-shadow: inset 0 0 0 1px var(--line-2); }
.ind-tablist button[aria-selected=true] svg { color: var(--cyan); filter: drop-shadow(0 0 6px rgba(94,242,255,.6)); }
.ind-tablist button[aria-selected=true]::before { content: ''; position: absolute; left: -8px; top: 12px; bottom: 12px; width: 2px; border-radius: 2px; background: var(--cyan); box-shadow: 0 0 10px var(--cyan); }
.ind-panels { position: relative; border-radius: var(--radius); border: 1px solid var(--line); overflow: hidden;
  background: radial-gradient(90% 70% at 100% 0%, rgba(94,242,255,.08), transparent 60%), radial-gradient(70% 60% at 0% 100%, rgba(167,139,250,.08), transparent 60%), var(--surface); }
.ind-panel { padding: clamp(28px, 4vw, 48px); animation: stepIn .45s var(--ease); }
.ind-head { display: flex; align-items: center; gap: 16px; margin-bottom: 16px; }
.ind-head .card-icon { margin: 0; flex: none; }
.ind-panel h3 { font-size: clamp(26px, 3vw, 38px); letter-spacing: -0.03em; }
.ind-panel > p { color: var(--muted); font-size: 17px; max-width: 620px; margin-bottom: 26px; }
.ind-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.ind-panel .ind-list { grid-template-columns: 1fr 1fr; gap: 12px; }
.ind-panel .ind-list li { padding: 16px 16px 16px 38px; border-radius: 12px; border: 1px solid var(--line); background: rgba(255,255,255,.02); }
.ind-list li { position: relative; padding-left: 22px; }
.ind-list li::before { content: ''; position: absolute; left: 0; top: .6em; width: 10px; height: 1px; background: var(--cyan); box-shadow: 0 0 6px var(--cyan); }
.ind-panel .ind-list li::before { left: 16px; top: calc(16px + .75em); }
.ind-panel .tags { margin-top: 24px; }

/* timeline */
.timeline { position: relative; }
.timeline ol { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.timeline-line { position: absolute; top: 23px; left: 24px; right: 24px; height: 1px; background: var(--line-2); }
.timeline-line span { position: absolute; inset: 0; background: var(--grad); transform-origin: left; transform: scaleX(var(--p, 0)); box-shadow: 0 0 12px rgba(94,242,255,.6); }
.timeline li { position: relative; }
.step-num { position: relative; z-index: 1; display: grid; place-items: center; width: 48px; height: 48px; border-radius: 50%; background: var(--bg); border: 1px solid var(--line-2); font: 500 14px var(--font-mono); color: var(--cyan); margin-bottom: 24px; }
.timeline h3 { font-size: 24px; }
.when { display: inline-block; margin: 8px 0 12px; font: 12px var(--font-mono); color: var(--violet); }
.timeline p { color: var(--muted); font-size: 15px; }

/* use cases */
.usecases { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.usecase { position: relative; padding: 36px 32px; border-radius: var(--radius); border: 1px solid var(--line); background: var(--surface); overflow: hidden; transition: border-color .3s, transform .4s var(--ease); }
.usecase::after { content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 2px; background: var(--grad); transform: scaleX(0); transform-origin: left; transition: transform .6s var(--ease); }
.usecase:hover { border-color: var(--line-2); transform: translateY(-4px); }
.usecase:hover::after { transform: scaleX(1); }
.uc-tag { font: 12px var(--font-mono); color: var(--cyan); }
.usecase h3 { font-size: clamp(20px, 2vw, 26px); margin: 14px 0 12px; letter-spacing: -0.02em; line-height: 1.2; }
.usecase p { color: var(--muted); }

/* ---------- form ---------- */
.start::before { content: ''; position: absolute; inset: 0; pointer-events: none; background: radial-gradient(ellipse 60% 50% at 50% 60%, rgba(94,242,255,.06), transparent 70%); }
.panel { position: relative; max-width: 820px; margin: 0 auto; border-radius: 24px; border: 1px solid var(--line-2); background: rgba(10, 12, 20, .8); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); overflow: hidden; }
.progress { height: 3px; background: var(--line); }
.progress span { display: block; height: 100%; width: 33%; background: var(--grad); transition: width .6s var(--ease); box-shadow: 0 0 10px rgba(94,242,255,.6); }
form { padding: clamp(24px, 5vw, 48px); }
.hp { position: absolute; left: -9999px; }
.step { display: none; border: 0; padding: 0; margin: 0; min-width: 0; }
.step.active { display: block; animation: stepIn .5s var(--ease); }
@keyframes stepIn { from { opacity: 0; transform: translateY(12px); } }
legend { font: 600 clamp(24px, 3vw, 32px) var(--font-display); letter-spacing: -0.02em; padding: 0; margin-bottom: 8px; }
.step-label { display: block; font: 500 12px var(--font-mono); color: var(--cyan); letter-spacing: .05em; margin-bottom: 10px; }
.hint { color: var(--muted); margin-bottom: 22px; }
.chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chip input, .segmented input { position: absolute; opacity: 0; pointer-events: none; }
.chip span { display: inline-block; padding: 11px 18px; border-radius: 99px; border: 1px solid var(--line-2); color: var(--muted); cursor: pointer; font-size: 15px; transition: all .2s; user-select: none; }
.chip span:hover { color: var(--text); border-color: rgba(255,255,255,.3); }
.chip input:checked + span { color: #05060a; background: var(--cyan); border-color: var(--cyan); box-shadow: 0 0 20px -4px rgba(94,242,255,.7); }
.chip input:focus-visible + span, .segmented input:focus-visible + span { outline: 2px solid var(--cyan); outline-offset: 2px; }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: flex; flex-direction: column; gap: 8px; margin-top: 22px; min-width: 0; }
.field > label { font-size: 14px; color: var(--muted); }
input:not([type=checkbox]):not([type=radio]), textarea {
  width: 100%; padding: 14px 16px; border-radius: 12px; border: 1px solid var(--line-2); background: rgba(255,255,255,.03);
  color: var(--text); font: 15px var(--font-body); transition: border-color .2s, box-shadow .2s, background .2s; resize: vertical;
}
input::placeholder, textarea::placeholder { color: var(--dim); }
input:focus, textarea:focus { outline: none; border-color: var(--cyan); box-shadow: 0 0 0 4px rgba(94,242,255,.12); background: rgba(255,255,255,.05); }
.invalid { border-color: #f87171 !important; }
.field-foot { display: flex; justify-content: space-between; gap: 10px; }
.counter { font: 12px var(--font-mono); color: var(--dim); margin-left: auto; }
.error, .form-error { color: #f87171; font-size: 13px; min-height: 1em; }
.form-error { margin-top: 14px; }
.segmented { display: grid; grid-template-columns: repeat(4, 1fr); gap: 4px; padding: 4px; border-radius: 12px; border: 1px solid var(--line-2); background: rgba(255,255,255,.02); }
.segmented label { position: relative; }
.segmented span { display: block; text-align: center; padding: 9px 4px; border-radius: 9px; font-size: 13px; color: var(--muted); cursor: pointer; transition: all .2s; white-space: nowrap; }
.segmented span:hover { color: var(--text); }
.segmented input:checked + span { background: var(--surface-2); color: var(--text); box-shadow: inset 0 0 0 1px var(--line-2); }
.form-nav { display: flex; justify-content: space-between; align-items: center; margin-top: 36px; gap: 12px; }
.spinner { display: none; width: 16px; height: 16px; border-radius: 50%; border: 2px solid rgba(0,0,0,.2); border-top-color: #05060a; animation: rot .7s linear infinite; }
.loading .spinner { display: inline-block; }
.done { text-align: center; padding: 20px 0; }
.done.active { display: block; }
.done h3 { font-size: 30px; margin: 20px 0 12px; }
.done p { color: var(--muted); margin-bottom: 28px; }
.done-icon svg { width: 72px; height: 72px; margin: 0 auto; fill: none; stroke: var(--cyan); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; filter: drop-shadow(0 0 12px rgba(94,242,255,.6)); }
.done-icon circle { stroke-dasharray: 151; stroke-dashoffset: 151; animation: draw .8s var(--ease) forwards; }
.done-icon path { stroke-dasharray: 36; stroke-dashoffset: 36; animation: draw .5s .6s var(--ease) forwards; }
@keyframes draw { to { stroke-dashoffset: 0; } }

/* ---------- calendly ---------- */
.calendly-shell { max-width: 1000px; margin: 0 auto; border-radius: 24px; padding: 1px; background: linear-gradient(180deg, var(--line-2), transparent); }
.calendly-embed { position: relative; border-radius: 23px; overflow: hidden; background: var(--bg-2); min-height: 700px; }
.calendly-embed iframe { display: block; }
.calendly-placeholder { position: absolute; inset: 0; display: grid; place-content: center; justify-items: center; gap: 16px; color: var(--muted); font: 13px var(--font-mono); }
.loader { width: 36px; height: 36px; border-radius: 50%; border: 2px solid var(--line-2); border-top-color: var(--cyan); animation: rot .8s linear infinite; }

/* ---------- faq ---------- */
.faq { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { list-style: none; cursor: pointer; padding: 26px 40px 26px 0; position: relative; font: 500 clamp(18px, 2vw, 22px) var(--font-display); letter-spacing: -0.01em; transition: color .2s; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary:hover { color: var(--cyan); }
.faq summary::after { content: '+'; position: absolute; right: 4px; top: 50%; transform: translateY(-50%); font: 300 28px var(--font-body); color: var(--muted); transition: transform .3s var(--ease); }
.faq details[open] summary::after { transform: translateY(-50%) rotate(45deg); color: var(--cyan); }
.faq details p { padding: 0 40px 26px 0; color: var(--muted); animation: stepIn .4s var(--ease); }

/* ---------- final cta & footer ---------- */
.final-cta h2 { font-size: clamp(40px, 7vw, 88px); letter-spacing: -0.045em; }
.final-cta .hero-ctas { justify-content: center; }
.footer { border-top: 1px solid var(--line); padding-top: 48px; overflow: hidden; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; color: var(--muted); font-size: 14px; }
.footer-word { font: 700 clamp(100px, 26vw, 360px)/0.8 var(--font-display); letter-spacing: -0.06em; text-align: center; margin-top: 40px; background: linear-gradient(180deg, rgba(255,255,255,.08), transparent 85%); -webkit-background-clip: text; background-clip: text; color: transparent; user-select: none; }

/* ---------- reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(28px); filter: blur(6px); transition: opacity .9s var(--ease), transform .9s var(--ease), filter .9s var(--ease); transition-delay: var(--d, 0s); }
.reveal.in { opacity: 1; transform: none; filter: none; }
.no-js .reveal { opacity: 1; transform: none; filter: none; }

/* ---------- responsive ---------- */
@media (max-width: 1000px) {
  .ind-tabs { grid-template-columns: 240px 1fr; }
  .cases { grid-template-columns: 1fr 1fr; }
  .usecases { grid-template-columns: 1fr 1fr; }
  .hero-inner { grid-template-columns: 1fr; }
  .terminal { max-width: 640px; }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .card h3 { min-height: 0; }
  .timeline ol { grid-template-columns: 1fr 1fr; row-gap: 48px; }
  .timeline-line { display: none; }
  .fusion-inner { grid-template-columns: 1fr; text-align: center; padding: 36px 24px; }
  .fusion-col:last-child { text-align: center; }
  .fusion-core { margin: 0 auto; }
}
@media (max-width: 760px) {
  .nav { gap: 12px; }
  .nav-links {
    position: fixed; top: 70px; left: 12px; right: 12px; flex-direction: column; padding: 10px; border-radius: 16px;
    background: rgba(8, 10, 16, .96); border: 1px solid var(--line); backdrop-filter: blur(16px);
    opacity: 0; pointer-events: none; transform: translateY(-8px); transition: all .25s var(--ease);
  }
  .nav-links a { padding: 14px; font-size: 16px; }
  .nav.open .nav-links { opacity: 1; pointer-events: auto; transform: none; }
  .nav .btn-sm { margin-left: auto; }
  .menu-btn { display: grid; gap: 5px; place-content: center; width: 40px; height: 40px; border-radius: 10px; border: 1px solid var(--line-2); background: transparent; cursor: pointer; }
  .menu-btn span { display: block; width: 16px; height: 1.5px; background: var(--text); transition: transform .25s; }
  .nav.open .menu-btn span:first-child { transform: translateY(3.25px) rotate(45deg); }
  .nav.open .menu-btn span:last-child { transform: translateY(-3.25px) rotate(-45deg); }
  .hero { padding-top: 120px; }
  .stats { grid-template-columns: 1fr 1fr; margin-top: 56px; }
  .cards, .usecases, .timeline ol, .row, .cases { grid-template-columns: 1fr; }
  .ind-tabs { grid-template-columns: 1fr; }
  .ind-tablist { flex-direction: row; overflow-x: auto; scrollbar-width: none; -webkit-mask-image: linear-gradient(90deg, #000 85%, transparent); mask-image: linear-gradient(90deg, #000 85%, transparent); }
  .ind-tablist::-webkit-scrollbar { display: none; }
  .ind-tablist button { width: auto; white-space: nowrap; padding: 10px 14px; }
  .ind-tablist button[aria-selected=true]::before { display: none; }
  .ind-panel .ind-list { grid-template-columns: 1fr; }
  .segmented { grid-template-columns: 1fr 1fr; }
  .terminal-body { min-height: 260px; font-size: 12px; }
  .calendly-embed { min-height: 1000px; }
  .cursor-glow { display: none; }
}
@media (max-width: 420px) { .nav .btn-sm { display: none; } .menu-btn { margin-left: auto; } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; filter: none; }
}