/* ChronoSENSE */
:root {
  --bg: #f5f6fa; --bg-alt: #eceef4; --surface: #fff; --line: #dfe3ec; --line-soft: #e9ecf3;
  --ink: #0b1220; --ink-2: #3c4558; --ink-3: #6b7489; --fade: #8a93a8;
  --navy: #0b1220; --navy-2: #121b2e; --navy-3: #1b2740; --navy-line: #253250;
  --blue: #0f766e; --blue-soft: #d9f4ef; --sky: #2dd4bf; --green: #16a34a; --green-soft: #e3f6ea;
  --amber: #d97706; --red: #dc2626;
  --font: "Inter", ui-sans-serif, system-ui, -apple-system, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, Menlo, monospace;
  --shadow: 0 1px 2px rgba(11,18,32,.05), 0 16px 40px -20px rgba(11,18,32,.25);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { margin: 0; font: 16px/1.6 var(--font); color: var(--ink); background: var(--bg); -webkit-font-smoothing: antialiased; overflow-x: hidden; }
a { color: inherit; }
h1, h2, h3 { margin: 0; letter-spacing: -.025em; line-height: 1.12; }
p { margin: 0; }
.mono { font-family: var(--mono); font-size: 11.5px; letter-spacing: .06em; text-transform: uppercase; }
.dim { color: var(--fade); }
.wrap { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 28px; }
@media (max-width: 640px) { .wrap { padding: 0 16px; } }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 10px; height: 50px; padding: 0 24px; border-radius: 999px; font-weight: 600; font-size: 15px; text-decoration: none; white-space: nowrap; border: 1px solid transparent; transition: transform .15s, background .15s; }
.btn:hover { transform: translateY(-1px); }
.btn.dark { background: var(--navy); color: #fff; box-shadow: 0 10px 24px -10px rgba(11,18,32,.6); }
.btn.dark:hover { background: var(--navy-3); }
.btn.ghost { color: var(--ink); border-color: var(--line); background: var(--surface); }
.btn.light { background: #fff; color: var(--navy); }
.btn.outline-light { color: #fff; border-color: rgba(255,255,255,.3); }
.btn.sm { height: 40px; padding: 0 18px; font-size: 14px; }

/* Nav */
.nav-wrap { position: sticky; top: 0; z-index: 30; background: color-mix(in srgb, var(--bg) 85%, transparent); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-bottom: 1px solid var(--line-soft); }
.nav { display: flex; align-items: center; gap: 28px; height: 68px; }
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; font-size: 20px; font-weight: 500; letter-spacing: -.02em; }
.logo b { font-weight: 800; }
.logo-mark { width: 38px; height: 19px; color: var(--blue); }
.links { display: flex; gap: 24px; margin-left: auto; }
.links a { text-decoration: none; color: var(--ink-2); font-size: 14.5px; font-weight: 500; }
.links a:hover { color: var(--ink); }
.menu-btn { display: none; width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); flex-direction: column; justify-content: center; align-items: center; gap: 5px; cursor: pointer; }
.menu-btn span { width: 16px; height: 2px; background: var(--ink); border-radius: 2px; }
@media (max-width: 1000px) {
  .links { display: none; }
  .nav-cta { margin-left: auto; }
  .menu-btn { display: flex; }
  .links.open { display: flex; flex-direction: column; gap: 0; position: absolute; top: 68px; left: 0; right: 0; background: var(--surface); border-bottom: 1px solid var(--line); padding: 6px 16px 14px; margin: 0; box-shadow: var(--shadow); }
  .links.open a { padding: 12px 4px; border-bottom: 1px solid var(--line-soft); font-size: 16px; }
}
@media (max-width: 480px) { .nav-cta { display: none; } .menu-btn { margin-left: auto; } }

/* Hero */
.hero { padding: 64px 0 56px; position: relative; overflow: hidden; }
.hero::before { content: ""; position: absolute; inset: -200px -10% auto; height: 640px; pointer-events: none; background: radial-gradient(560px 300px at 85% 30%, rgba(13,148,136,.10), transparent 70%), radial-gradient(420px 260px at 10% 10%, rgba(45,212,191,.10), transparent 70%); }
.hero-grid { position: relative; display: grid; grid-template-columns: 1fr 1.05fr; gap: 56px; align-items: center; }
.hero-grid > * { min-width: 0; }
.badge { display: inline-flex; align-items: center; gap: 8px; padding: 6px 14px; border-radius: 999px; background: var(--surface); border: 1px solid var(--line); font-size: 13px; font-weight: 600; color: var(--ink-2); }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 4px var(--green-soft); }
.kicker { font-family: var(--mono); font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--blue); font-weight: 600; margin: 22px 0 14px; }
.kicker.light { color: var(--sky); }
.hero h1 { font-size: clamp(40px, 5.6vw, 66px); font-weight: 800; }
.fade { color: var(--fade); }
.lead { margin-top: 20px; font-size: clamp(17px, 1.8vw, 19px); color: var(--ink-2); max-width: 560px; }
.pills { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; padding: 0; margin: 22px 0 0; }
.pills li { padding: 6px 12px; border-radius: 8px; background: var(--surface); border: 1px solid var(--line); font-size: 13.5px; font-weight: 600; color: var(--ink-2); }
.pills li::before { content: "✓ "; color: var(--green); }
.ctas { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
@media (max-width: 960px) { .hero-grid { grid-template-columns: 1fr; gap: 40px; } }

/* Workspace mock */
.workspace { background: var(--navy); border-radius: 22px; padding: 14px; box-shadow: 0 40px 80px -30px rgba(11,18,32,.6); color: #dbe4f5; }
.ws-bar { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 2px 6px 12px; color: #6f7c99; }
.ws-bar .mono { font-size: 10px; }
.dots { display: flex; gap: 6px; }
.dots i { width: 9px; height: 9px; border-radius: 50%; background: var(--navy-line); }
.ws-body { display: grid; grid-template-columns: 150px 1fr; border-radius: 14px; overflow: hidden; background: var(--navy-2); border: 1px solid var(--navy-line); min-height: 330px; }
.ws-side { padding: 16px 12px; border-right: 1px solid var(--navy-line); display: flex; flex-direction: column; gap: 10px; }
.ws-side .mono { font-size: 10px; }
.ws-tabs { display: grid; gap: 4px; }
.ws-tabs button { text-align: left; padding: 9px 12px; border-radius: 9px; border: 0; background: none; color: #93a0bd; font: 600 14px var(--font); cursor: pointer; }
.ws-tabs button:hover { color: #fff; }
.ws-tabs button[aria-selected="true"] { background: var(--navy-3); color: #fff; box-shadow: inset 2px 0 0 var(--sky); }
.ws-keep { margin-top: auto; font-size: 12px; color: #6f7c99; }
.ws-main { padding: 18px; min-width: 0; }
.ws-main h4 { margin: 4px 0 12px; font-size: 20px; color: #fff; letter-spacing: -.02em; line-height: 1.2; }
.ws-main .mono { color: var(--sky); font-size: 10.5px; }
.code { background: #0a101d; border: 1px solid var(--navy-line); border-radius: 10px; padding: 12px 14px; font: 500 12.5px/1.75 var(--mono); color: #c9d6ef; overflow-x: auto; white-space: pre; }
.code .ln { color: #4b5874; margin-right: 12px; user-select: none; }
.code .kw { color: #c084fc; } .code .fn { color: #60a5fa; } .code .str { color: #86efac; }
.ws-hint { display: flex; gap: 10px; align-items: flex-start; margin-top: 12px; padding: 10px 12px; border-radius: 10px; background: rgba(45,212,191,.1); border: 1px solid rgba(45,212,191,.25); font-size: 13px; }
.ws-hint b { color: var(--sky); white-space: nowrap; }
.ws-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.ws-list li { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: 10px; background: #0a101d; border: 1px solid var(--navy-line); font-size: 13.5px; }
.ws-list li span { margin-left: auto; font: 600 11px var(--mono); padding: 2px 8px; border-radius: 99px; background: rgba(34,197,94,.15); color: #4ade80; }
.ws-list li span.todo { background: rgba(45,212,191,.15); color: var(--sky); }
.quiz { display: grid; gap: 8px; }
.quiz button { text-align: left; padding: 10px 12px; border-radius: 10px; border: 1px solid var(--navy-line); background: #0a101d; color: #dbe4f5; font: 500 13.5px var(--font); }
.quiz button.right { border-color: #22c55e; background: rgba(34,197,94,.12); }
.bars { display: grid; gap: 10px; }
.bar { display: grid; grid-template-columns: 110px 1fr 40px; gap: 10px; align-items: center; font-size: 13px; }
.bar i { display: block; height: 8px; border-radius: 99px; background: linear-gradient(90deg, var(--blue), var(--sky)); }
.bar s { display: block; height: 8px; border-radius: 99px; background: var(--navy-3); text-decoration: none; overflow: hidden; }
.bar b { font: 600 12px var(--mono); color: #fff; text-align: right; }
.ws-note { text-align: center; color: #56627e; font-size: 10px; margin-top: 12px; }
@media (max-width: 560px) { .ws-body { grid-template-columns: 1fr; } .ws-side { border-right: 0; border-bottom: 1px solid var(--navy-line); } .ws-tabs { grid-template-columns: repeat(4, 1fr); } .ws-tabs button { text-align: center; padding: 8px 4px; font-size: 12.5px; } .ws-keep, .ws-side > .mono { display: none; } .bar { grid-template-columns: 84px 1fr 34px; } }

/* Numbers */
.numbers { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--surface); }
.numbers-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.numbers-grid div { padding: 26px 20px; border-left: 1px solid var(--line-soft); }
.numbers-grid div:first-child { border-left: 0; }
.numbers-grid b { display: block; font-size: clamp(30px, 4vw, 42px); font-weight: 800; letter-spacing: -.03em; }
.numbers-grid span { color: var(--ink-3); font-size: 14px; }
@media (max-width: 700px) { .numbers-grid { grid-template-columns: repeat(2, 1fr); } .numbers-grid div:nth-child(3) { border-left: 0; } .numbers-grid div:nth-child(n+3) { border-top: 1px solid var(--line-soft); } }

/* Sections */
.block { padding: 96px 0; }
.block.alt { background: var(--bg-alt); }
@media (max-width: 640px) { .block { padding: 68px 0; } }
.head { max-width: 780px; margin-bottom: 44px; }
.head .kicker { margin-top: 0; }
.head.center { margin-left: auto; margin-right: auto; text-align: center; }
.head-tight { margin-top: 88px; }
.block h2 { font-size: clamp(30px, 4.2vw, 48px); font-weight: 800; }
.sub { margin-top: 16px; font-size: 18px; color: var(--ink-2); }
.body { margin-top: 16px; color: var(--ink-2); }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.split > * { min-width: 0; }
.split.labs { margin-top: 96px; }
@media (max-width: 900px) { .split { grid-template-columns: 1fr; gap: 36px; } .split.labs { margin-top: 64px; } }

/* Why now */
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.stats article { background: var(--surface); border: 1px solid var(--line); border-radius: 18px; padding: 26px; }
.stats b { display: block; font-size: clamp(38px, 5vw, 54px); font-weight: 800; letter-spacing: -.04em; color: var(--blue); line-height: 1; margin-bottom: 14px; }
.stats p { color: var(--ink-2); font-size: 15px; }
.callout { margin-top: 30px; font-size: clamp(20px, 2.4vw, 26px); font-weight: 600; letter-spacing: -.02em; color: var(--ink-2); }
.callout b { color: var(--ink); }
.source { margin-top: 10px; font-size: 12.5px; color: var(--ink-3); }
@media (max-width: 860px) { .stats { grid-template-columns: 1fr; } }

/* Loop + layers */
.loop { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; counter-reset: none; }
.loop li { position: relative; background: var(--surface); border: 1px solid var(--line); border-radius: 18px; padding: 22px; }
.loop-n { font: 600 12px var(--mono); color: var(--fade); }
.loop-ic { display: grid; place-items: center; width: 46px; height: 46px; margin: 14px 0 16px; border-radius: 13px; background: var(--navy); color: var(--sky); font: 700 16px var(--mono); }
.loop h3, .layers h3, .duo h3, .steps h3 { font-size: 19px; margin-bottom: 8px; }
.loop p, .layers p, .duo p, .steps p { color: var(--ink-2); font-size: 15px; }
.layers { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.layers article { position: relative; padding: 26px; border-radius: 18px; background: var(--navy); color: #c6d0e4; overflow: hidden; }
.layers article::after { content: ""; position: absolute; right: -40px; bottom: -40px; width: 140px; height: 140px; border-radius: 50%; background: radial-gradient(circle, rgba(45,212,191,.25), transparent 70%); }
.layers h3 { color: #fff; margin-top: 18px; }
.layers p { color: #aab6cf; }
.layer-n { color: var(--sky); }
@media (max-width: 960px) { .loop { grid-template-columns: repeat(2, 1fr); } .layers { grid-template-columns: 1fr; } }
@media (max-width: 520px) { .loop { grid-template-columns: 1fr; } }

/* Chronexa */
.ticks { list-style: none; padding: 0; margin: 22px 0 0; display: grid; gap: 10px; }
.ticks li { display: flex; gap: 10px; font-weight: 600; }
.ticks li::before { content: "∞"; display: grid; place-items: center; flex: none; width: 24px; height: 24px; border-radius: 7px; background: var(--blue-soft); color: var(--blue); font-size: 14px; }
.chat { background: var(--navy); border-radius: 22px; padding: 18px; display: grid; gap: 12px; box-shadow: 0 40px 80px -30px rgba(11,18,32,.55); }
.chat-head { display: flex; align-items: center; gap: 10px; padding: 0 4px 12px; border-bottom: 1px solid var(--navy-line); color: #fff; }
.chat-head .mono { margin-left: auto; font-size: 10px; }
.chx { display: grid; place-items: center; width: 30px; height: 30px; border-radius: 9px; background: linear-gradient(135deg, var(--blue), var(--sky)); color: #fff; font-weight: 800; }
.msg { max-width: 86%; padding: 11px 14px; border-radius: 14px; font-size: 14.5px; line-height: 1.5; }
.msg .mono { display: block; margin-top: 6px; font-size: 9.5px; }
.msg.me { justify-self: end; background: var(--navy-3); color: #e5ecfa; border-bottom-right-radius: 4px; }
.msg.ai { background: rgba(45,212,191,.12); border: 1px solid rgba(45,212,191,.28); color: #dbe7ff; border-bottom-left-radius: 4px; }
.msg code { font-family: var(--mono); font-size: 12.5px; background: rgba(255,255,255,.08); padding: 1px 5px; border-radius: 5px; }
.typing { display: flex; gap: 4px; padding: 14px; }
.typing i { width: 6px; height: 6px; border-radius: 50%; background: #8fa3c7; animation: blink 1.2s infinite; }
.typing i:nth-child(2) { animation-delay: .2s; } .typing i:nth-child(3) { animation-delay: .4s; }
@keyframes blink { 0%, 80%, 100% { opacity: .25; } 40% { opacity: 1; } }

/* Interactive video */
.video { background: var(--navy); border-radius: 20px; overflow: hidden; box-shadow: 0 40px 80px -30px rgba(11,18,32,.55); }
.video-screen { position: relative; aspect-ratio: 16 / 10; display: grid; place-items: center; padding: 20px; background: radial-gradient(400px 200px at 30% 20%, rgba(45,212,191,.18), transparent 70%), linear-gradient(160deg, #15203a, #0a101d); }
.video-q { width: 100%; max-width: 380px; padding: 20px; border-radius: 16px; background: rgba(11,18,32,.82); border: 1px solid var(--navy-line); backdrop-filter: blur(6px); color: #e5ecfa; }
.video-q .q { margin: 10px 0 14px; font-size: 17px; font-weight: 600; }
.video-q code { font-family: var(--mono); font-size: 14px; color: #86efac; }
.answers { display: grid; gap: 8px; }
.answers button { padding: 10px 12px; border-radius: 10px; border: 1px solid var(--navy-line); background: var(--navy-2); color: #e5ecfa; font: 600 14px var(--mono); cursor: pointer; text-align: left; }
.answers button:hover { border-color: var(--sky); }
.answers button.right { border-color: #22c55e; background: rgba(34,197,94,.14); }
.answers button.wrong { border-color: #ef4444; background: rgba(239,68,68,.12); }
.feedback { min-height: 22px; margin-top: 10px; font-size: 13.5px; color: #aab6cf; }
.video-bar { display: flex; align-items: center; gap: 14px; padding: 12px 16px; border-top: 1px solid var(--navy-line); color: #fff; }
.video-bar .mono { font-size: 10.5px; white-space: nowrap; }
.track { position: relative; flex: 1; height: 5px; border-radius: 99px; background: var(--navy-3); }
.track i { position: absolute; inset: 0 auto 0 0; border-radius: inherit; background: var(--sky); transition: width .6s ease; }
.track em { position: absolute; top: 50%; width: 12px; height: 12px; margin: -6px 0 0 -6px; border-radius: 50%; background: #fbbf24; box-shadow: 0 0 0 4px rgba(251,191,36,.25); transition: left .6s ease; }

/* Labs */
.feature-list { list-style: none; padding: 0; margin: 24px 0 0; display: grid; gap: 18px; }
.feature-list li { display: grid; gap: 4px; padding-left: 18px; border-left: 3px solid var(--blue); }
.feature-list b { font-size: 17px; }
.feature-list span { color: var(--ink-2); }
.notebook { background: var(--surface); border: 1px solid var(--line); border-radius: 18px; box-shadow: var(--shadow); padding: 16px; display: grid; gap: 8px; }
.nb-head { display: flex; justify-content: space-between; align-items: center; padding: 0 4px 8px; }
.score { font: 700 12px var(--mono); padding: 4px 10px; border-radius: 99px; background: var(--blue-soft); color: var(--blue); }
.cell { display: grid; grid-template-columns: 34px 1fr auto; gap: 10px; align-items: center; padding: 8px 10px; border-radius: 10px; border: 1px solid var(--line-soft); background: #f8f9fc; }
.cell pre { margin: 0; white-space: pre-wrap; word-break: break-word; font: 500 12.5px var(--mono); color: var(--ink); }
.cell-n { color: var(--fade); font-size: 10.5px; }
.cell-mark { font: 700 12px var(--mono); padding: 2px 8px; border-radius: 99px; white-space: nowrap; }
.cell.ok { border-left: 3px solid var(--green); } .cell.ok .cell-mark { background: var(--green-soft); color: var(--green); }
.cell.bad { border-left: 3px solid var(--red); } .cell.bad .cell-mark { background: #fde8e8; color: var(--red); }
.nb-note { color: var(--ink-3); font-size: 10.5px; padding: 4px 4px 0; text-transform: none; letter-spacing: 0; }

/* Teachers */
.duo { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.duo article { background: var(--surface); border: 1px solid var(--line); border-radius: 18px; padding: 28px; }
.duo-ic { display: grid; place-items: center; width: 46px; height: 46px; border-radius: 13px; background: var(--blue-soft); color: var(--blue); font-size: 22px; margin-bottom: 16px; }
@media (max-width: 760px) { .duo { grid-template-columns: 1fr; } }

/* What you gain */
.dark-block { background: var(--navy); color: #c6d0e4; }
.dark-block h2 { color: #fff; }
.dark-block .kicker { color: var(--sky); }
.roles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.roles article { padding: 28px; border-radius: 20px; background: var(--navy-2); border: 1px solid var(--navy-line); }
.role { color: var(--sky); font-size: 11px; }
.roles h3 { margin: 14px 0 12px; color: #fff; font-size: 21px; }
.roles p { color: #aab6cf; font-size: 15px; }
@media (max-width: 960px) { .roles { grid-template-columns: 1fr; } }

/* Values */
.values { align-items: start; }
.validated { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 28px; }
.validated div { padding: 18px; border-radius: 16px; background: var(--surface); border: 1px solid var(--line); }
.validated b { display: block; font-size: 32px; font-weight: 800; letter-spacing: -.03em; color: var(--blue); }
.validated span { color: var(--ink-2); font-size: 14px; }
.beliefs { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; counter-reset: b; }
.beliefs li { counter-increment: b; display: flex; gap: 16px; align-items: center; padding: 20px 22px; border-radius: 16px; background: var(--surface); border: 1px solid var(--line); font-size: 18px; font-weight: 700; letter-spacing: -.01em; }
.beliefs li::before { content: counter(b, decimal-leading-zero); font: 600 12px var(--mono); color: var(--blue); }
@media (max-width: 520px) { .validated { grid-template-columns: 1fr; } }

/* Plans */
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; align-items: stretch; }
.plan { position: relative; background: var(--surface); border: 1px solid var(--line); border-radius: 20px; padding: 28px; }
.plan h3 { font-size: 24px; }
.plan-for { margin-top: 6px; color: var(--ink-3); font-size: 14.5px; }
.plan ul { list-style: none; padding: 0; margin: 22px 0 0; display: grid; gap: 10px; font-size: 14.5px; color: var(--ink-2); }
.plan li { display: flex; gap: 10px; }
.plan li::before { content: "✓"; flex: none; color: var(--green); font-weight: 800; }
.plan.featured { background: var(--navy); border-color: var(--navy); color: #fff; box-shadow: 0 30px 60px -30px rgba(11,18,32,.7); transform: translateY(-8px); }
.plan.featured .plan-for, .plan.featured ul { color: #aab6cf; }
.plan.featured li::before { color: #4ade80; }
.plan-tag { position: absolute; top: -12px; left: 28px; padding: 4px 12px; border-radius: 99px; background: var(--sky); color: var(--navy); font: 700 11px var(--mono); text-transform: uppercase; letter-spacing: .06em; }
.plans-note { margin-top: 28px; text-align: center; color: var(--ink-3); font-size: 14.5px; }
.plans-note a { color: var(--blue); font-weight: 600; text-decoration: none; }
@media (max-width: 960px) { .plans { grid-template-columns: 1fr; max-width: 520px; margin: 0 auto; } .plan.featured { transform: none; } }

/* Ecosystem */
.eco { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.eco article { display: flex; flex-direction: column; gap: 10px; padding: 26px; border-radius: 18px; background: var(--surface); border: 1px solid var(--line); }
.eco article.eco-lms { border-color: var(--blue); box-shadow: 0 0 0 3px var(--blue-soft); }
.eco h3 { font-size: 22px; }
.eco p:not(.role) { color: var(--ink-2); font-size: 15px; flex: 1; }
.eco .role { color: var(--blue); }
.status { align-self: flex-start; padding: 3px 10px; border-radius: 99px; font: 700 11px var(--mono); }
.status.now { background: var(--green-soft); color: var(--green); }
.status.soon { background: #fff4e0; color: var(--amber); }
@media (max-width: 860px) { .eco { grid-template-columns: 1fr; } }

/* Steps */
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; position: relative; }
.steps li { position: relative; padding: 26px 22px; border-radius: 18px; background: var(--surface); border: 1px solid var(--line); }
.steps span { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; background: var(--navy); color: #fff; font-weight: 800; margin-bottom: 18px; }
.steps li:nth-child(3) { border-color: var(--blue); }
.steps li:nth-child(3) span { background: var(--blue); }
@media (max-width: 960px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .steps { grid-template-columns: 1fr; } }

/* Final */
.final { padding-top: 24px; }
.final-card { display: grid; grid-template-columns: 1.1fr 1fr; gap: 48px; padding: 56px; border-radius: 28px; color: #c6d0e4; background: radial-gradient(500px 260px at 90% 0%, rgba(45,212,191,.25), transparent 70%), var(--navy); }
.final-card h2 { color: #fff; }
.final-card .kicker { margin-top: 0; }
.final-card .sub { color: #aab6cf; }
.contact { margin-top: 18px; color: #8fa3c7; text-transform: none; letter-spacing: .02em; font-size: 13px; }
.contact a { color: var(--sky); }
.perks { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; align-content: center; }
.perks li { display: grid; gap: 2px; padding: 16px 18px; border-radius: 14px; background: rgba(255,255,255,.05); border: 1px solid var(--navy-line); }
.perks b { color: #fff; }
.perks span { font-size: 14.5px; color: #aab6cf; }
@media (max-width: 900px) { .final-card { grid-template-columns: 1fr; padding: 36px 22px; gap: 28px; } }

/* Footer */
.foot { padding: 36px 0 44px; border-top: 1px solid var(--line); margin-top: 72px; }
.foot-row { display: flex; align-items: center; justify-content: space-between; gap: 18px; flex-wrap: wrap; color: var(--ink-3); font-size: 13.5px; }
.foot-links { display: flex; gap: 18px; flex-wrap: wrap; }
.foot-links a { text-decoration: none; color: var(--ink-2); }
.foot-links a:hover { color: var(--blue); }

/* 404 */
.nf { min-height: calc(100vh - 68px - 120px); display: grid; place-items: center; text-align: center; padding: 64px 0; }
.nf-code { font: 800 clamp(90px, 15vw, 150px)/1 var(--font); letter-spacing: -.06em; color: var(--navy); }
.nf-code span { color: var(--blue); }
.nf h1 { font-size: clamp(26px, 4vw, 38px); margin: 10px 0 12px; }
.nf .lead { margin: 0 auto; }
.nf .ctas { justify-content: center; }

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .typing i { animation: none; } .btn { transition: none; } }