/* OpsNexa Online website. Colours follow the app (frontend/src/theme.jsx): navy chrome, one corporate blue. */
:root {
  --bg: #f6f7fa;
  --paper: #ffffff;
  --alt: #eef1f6;
  --text: #0f172a;
  --text-2: #475467;
  --text-3: #7a8699;
  --border: #e3e7ed;
  --accent: #1d5bd6;
  --accent-hover: #174bb4;
  --accent-soft: rgba(29, 91, 214, 0.08);
  --navy: #0d1626;
  --navy-2: #13213a;
  --on-navy: #e7ecf5;
  --on-navy-2: rgba(226, 232, 240, 0.72);
  --ok: #0ca30c;
  --shadow: 0 30px 60px -20px rgba(16, 24, 40, 0.28), 0 12px 24px -12px rgba(16, 24, 40, 0.12);
  --radius: 14px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1220;
    --paper: #111a2b;
    --alt: #0e1626;
    --text: #e6ebf3;
    --text-2: #a7b2c4;
    --text-3: #7d8aa0;
    --border: #1f2a3d;
    --accent: #4b8bf5;
    --accent-hover: #6ea2ff;
    --accent-soft: rgba(75, 139, 245, 0.12);
    --shadow: 0 30px 60px -20px rgba(0, 0, 0, 0.6), 0 12px 24px -12px rgba(0, 0, 0, 0.4);
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; } }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 400 16px/1.6 Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }
h1, h2, h3 { line-height: 1.15; letter-spacing: -0.02em; margin: 0; }
h2 { font-size: clamp(1.75rem, 1.2rem + 2vw, 2.5rem); font-weight: 750; }
h3 { font-size: 1.125rem; font-weight: 650; }
.mono { font-family: ui-monospace, "JetBrains Mono", SFMono-Regular, Menlo, monospace; font-size: 0.92em; }
.wrap { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 760px; }
.center { text-align: center; }
.sub { color: var(--text-2); font-size: 1.0625rem; margin: 14px 0 0; }
.eyebrow { margin: 0 0 10px; font-size: 0.8125rem; font-weight: 650; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent); }
.fineprint { color: var(--text-3); font-size: 0.875rem; margin-top: 16px; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--paper); padding: 8px 12px; border-radius: 8px; z-index: 100; }
.skip:focus { left: 8px; }

/* buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; border-radius: 10px; border: 1px solid transparent;
  font-weight: 600; font-size: 0.9375rem; padding: 11px 18px; transition: background 120ms, border-color 120ms, transform 120ms; white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); color: #fff; }
.btn-ghost { border-color: var(--border); color: var(--text); background: var(--paper); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn-sm { padding: 8px 14px; font-size: 0.875rem; }
.btn-lg { padding: 14px 22px; font-size: 1rem; }

/* navigation */
.nav { position: sticky; top: 0; z-index: 50; background: color-mix(in srgb, var(--navy) 92%, transparent); backdrop-filter: saturate(160%) blur(10px); border-bottom: 1px solid rgba(255, 255, 255, 0.06); }
.nav-inner { display: flex; align-items: center; gap: 24px; height: 64px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 750; font-size: 1.125rem; letter-spacing: -0.01em; color: #fff; }
.brand:hover { color: #fff; }
.nav-links { display: flex; gap: 26px; flex: 1; justify-content: center; }
.nav-links a, .link-quiet { color: var(--on-navy-2); font-size: 0.9375rem; font-weight: 500; }
.nav-links a:hover, .link-quiet:hover { color: #fff; }
.nav-cta { display: flex; align-items: center; gap: 16px; margin-left: auto; }
.menu { display: none; background: none; border: 0; padding: 8px; cursor: pointer; }
.menu span { display: block; width: 22px; height: 2px; background: #fff; margin: 5px 0; border-radius: 2px; transition: transform 150ms; }
.menu[aria-expanded="true"] span:first-child { transform: translateY(3.5px) rotate(45deg); }
.menu[aria-expanded="true"] span:last-child { transform: translateY(-3.5px) rotate(-45deg); }

/* hero */
.hero { position: relative; overflow: hidden; background: var(--navy); color: var(--on-navy); padding: 84px 0 0; }
.hero-glow {
  position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(800px 400px at 50% -10%, rgba(59, 130, 246, 0.35), transparent 70%),
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px) 0 0 / 44px 44px,
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px) 0 0 / 44px 44px;
  mask-image: linear-gradient(to bottom, #000 40%, transparent 90%);
}
.hero-inner { position: relative; text-align: center; max-width: 900px; }
.hero .eyebrow { color: #8db4ff; }
.hero h1 { font-size: clamp(2.375rem, 1.4rem + 4.2vw, 4.25rem); font-weight: 800; letter-spacing: -0.035em; color: #fff; }
.lead { color: var(--on-navy-2); font-size: clamp(1.0625rem, 1rem + 0.4vw, 1.25rem); max-width: 720px; margin: 22px auto 0; }
.hero-cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-top: 32px; }
.hero .btn-ghost { background: transparent; color: #fff; border-color: rgba(255, 255, 255, 0.22); }
.hero .btn-ghost:hover { border-color: #fff; color: #fff; }
.hero .fineprint { color: rgba(226, 232, 240, 0.55); }
.hero .mono { color: #c7d7f5; }

/* screenshots */
.shot { margin: 0; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border); background: var(--paper); box-shadow: var(--shadow); }
.shot-hero { position: relative; margin: 56px auto -1px; max-width: 1120px; border-color: rgba(255, 255, 255, 0.12); border-bottom: 0; border-radius: var(--radius) var(--radius) 0 0; }
.shot-bar { display: flex; align-items: center; gap: 7px; height: 36px; padding: 0 14px; background: #1a2436; }
.shot-bar i { width: 10px; height: 10px; border-radius: 50%; background: rgba(255, 255, 255, 0.18); }
.shot-bar span { margin: 0 auto; transform: translateX(-24px); font-size: 0.75rem; color: rgba(255, 255, 255, 0.55); font-family: ui-monospace, Menlo, monospace; }

/* sections */
.section { padding: 96px 0; }
.section.alt, .feature.alt { background: var(--alt); }
.pills { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-top: 36px; max-width: 980px; }
.pills span { padding: 7px 14px; border-radius: 999px; background: var(--paper); border: 1px solid var(--border); font-size: 0.875rem; font-weight: 550; color: var(--text-2); }

.feature-grid { display: grid; grid-template-columns: 5fr 7fr; gap: 56px; align-items: center; }
.feature-grid.reverse { grid-template-columns: 7fr 5fr; }
.feature-grid.reverse .feature-copy { order: 2; }
.feature-copy .sub { margin-bottom: 22px; }
.ticks { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.ticks li { position: relative; padding-left: 30px; color: var(--text-2); }
.ticks li b { color: var(--text); font-weight: 600; }
.ticks li::before {
  content: ""; position: absolute; left: 0; top: 3px; width: 20px; height: 20px; border-radius: 50%; background: var(--accent-soft);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M6 10.5l2.6 2.6L14 7.6' fill='none' stroke='%231d5bd6' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
}
.ticks.small { gap: 8px; font-size: 0.9375rem; }

/* steps and cards */
.steps { list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 48px; padding: 0 20px; }
.steps li, .card, .plan { background: var(--paper); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; }
.step-n { display: inline-grid; place-items: center; width: 34px; height: 34px; border-radius: 10px; background: var(--accent); color: #fff; font-weight: 700; margin-bottom: 16px; }
.steps p, .card p { color: var(--text-2); margin: 8px 0 0; }
.cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 48px; }

/* security diagram */
.diagram { display: grid; gap: 0; justify-items: center; padding: 32px; border-radius: var(--radius); background: var(--paper); border: 1px solid var(--border); }
.node { padding: 12px 16px; border-radius: 12px; border: 1px solid var(--border); background: var(--bg); font-weight: 600; font-size: 0.9375rem; text-align: center; }
.node small { display: block; font-weight: 400; color: var(--text-3); font-size: 0.8125rem; margin-top: 2px; }
.node-hub { display: inline-flex; align-items: center; gap: 10px; background: var(--navy); color: #fff; border-color: var(--navy); }
.node-row { display: flex; gap: 14px; }
.node-private { border-style: dashed; }
.wire { position: relative; height: 56px; width: 2px; background: var(--accent); opacity: 0.85; }
.wire span { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); white-space: nowrap; font-size: 0.75rem; color: var(--text-3); font-weight: 550; }
.wire-up { background: repeating-linear-gradient(to bottom, var(--accent) 0 6px, transparent 6px 11px); }

/* pricing */
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 48px; align-items: stretch; }
.plan { display: flex; flex-direction: column; gap: 6px; position: relative; }
.plan-pop { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
.badge { position: absolute; top: -12px; left: 28px; margin: 0; padding: 2px 10px; border-radius: 999px; background: var(--accent); color: #fff; font-size: 0.75rem; font-weight: 650; }
.price { margin: 10px 0 0; color: var(--text-2); }
.price .amount { font-size: 2.25rem; font-weight: 800; color: var(--text); letter-spacing: -0.03em; }
.plan-how { color: var(--text-2); margin: 0 0 14px; min-height: 3em; }
.plan .ticks { flex: 1; margin-bottom: 22px; }

/* faq */
#faq h2 { margin-bottom: 32px; }
details { border-bottom: 1px solid var(--border); padding: 4px 0; }
summary { cursor: pointer; list-style: none; padding: 16px 32px 16px 0; font-weight: 600; font-size: 1.0625rem; position: relative; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; position: absolute; right: 4px; top: 12px; font-size: 1.5rem; font-weight: 400; color: var(--text-3); transition: transform 150ms; }
details[open] summary::after { transform: rotate(45deg); }
details p { margin: 0 0 18px; color: var(--text-2); }

/* closing */
.final { padding: 96px 0; background: var(--navy); color: var(--on-navy); position: relative; overflow: hidden; }
.final::before { content: ""; position: absolute; inset: 0; background: radial-gradient(600px 300px at 50% 120%, rgba(59, 130, 246, 0.35), transparent 70%); }
.final .wrap { position: relative; }
.final h2 { color: #fff; }
.final .sub { color: var(--on-navy-2); margin-bottom: 28px; }
.final .btn-ghost { background: transparent; color: #fff; border-color: rgba(255, 255, 255, 0.22); }
.final .btn-ghost:hover { border-color: #fff; color: #fff; }

/* sign-in finder */
dialog.finder { border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; width: min(440px, calc(100vw - 32px)); background: var(--paper); color: var(--text); box-shadow: var(--shadow); }
dialog.finder::backdrop { background: rgba(11, 18, 32, 0.6); }
.finder h3 { margin-bottom: 6px; }
.finder p { margin: 0 0 18px; color: var(--text-2); font-size: 0.9375rem; }
.finder label { display: block; font-size: 0.8125rem; font-weight: 600; margin-bottom: 6px; }
.finder .field { display: flex; align-items: center; border: 1px solid var(--border); border-radius: 10px; overflow: hidden; background: var(--bg); }
.finder input { flex: 1; min-width: 0; border: 0; background: transparent; color: var(--text); font: inherit; padding: 11px 12px; outline: none; }
.finder .field:focus-within { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.finder .suffix { padding-right: 12px; color: var(--text-3); font-size: 0.9375rem; }
.finder .row { display: flex; justify-content: flex-end; gap: 10px; margin-top: 20px; }

/* footer */
.footer { padding: 64px 0 28px; background: var(--navy); border-top: 1px solid rgba(255, 255, 255, 0.06); color: var(--on-navy-2); font-size: 0.9375rem; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; }
.footer-brand p { margin: 14px 0 20px; max-width: 320px; }
.footer nav { display: flex; flex-direction: column; gap: 10px; }
.footer nav h2 { font-size: 0.8125rem; text-transform: uppercase; letter-spacing: 0.08em; color: #fff; margin-bottom: 6px; font-weight: 650; }
.footer nav a { color: var(--on-navy-2); }
.footer nav a:hover { color: #fff; }
.footer-base { display: flex; justify-content: space-between; gap: 16px; margin-top: 48px; padding-top: 22px; border-top: 1px solid rgba(255, 255, 255, 0.08); font-size: 0.875rem; }
.footer-base p { margin: 0; }
.footer-base a { color: var(--on-navy-2); }

/* navigation: the page you're on */
.nav-links a[aria-current="page"] { color: #fff; box-shadow: inset 0 -2px 0 #8db4ff; padding-bottom: 4px; }

/* inner pages: a smaller navy header */
.page-hero { position: relative; overflow: hidden; background: var(--navy); color: var(--on-navy); padding: 80px 0 72px; }
.page-hero .hero-glow { mask-image: linear-gradient(to bottom, #000 30%, transparent 100%); }
.page-hero .wrap { position: relative; }
.page-hero .eyebrow { color: #8db4ff; }
.page-hero h1 { font-size: clamp(2.125rem, 1.4rem + 3vw, 3.375rem); font-weight: 800; letter-spacing: -0.03em; color: #fff; max-width: 860px; }
.page-hero .lead { margin: 20px 0 0; max-width: 720px; }
.page-hero.center .lead { margin-left: auto; margin-right: auto; }
.page-hero.center h1 { margin: 0 auto; }
.page-hero .hero-cta { justify-content: flex-start; }
.page-hero.center .hero-cta { justify-content: center; }
.page-hero .btn-ghost { background: transparent; color: #fff; border-color: rgba(255, 255, 255, 0.22); }
.page-hero .btn-ghost:hover { border-color: #fff; color: #fff; }
.jump { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 30px; }
.page-hero.center .jump { justify-content: center; }
.jump a { padding: 7px 14px; border-radius: 999px; border: 1px solid rgba(255, 255, 255, 0.16); color: var(--on-navy); font-size: 0.875rem; font-weight: 550; }
.jump a:hover { border-color: #8db4ff; color: #fff; }

/* section headers */
.section-head { max-width: 760px; margin-bottom: 44px; }
.section-head.center { margin-left: auto; margin-right: auto; }
.kicker { font-size: 1.25rem; color: var(--text); font-weight: 600; margin: 0; }

/* benefits */
.benefits { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.benefit { background: var(--paper); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; display: flex; flex-direction: column; gap: 10px; }
.benefit .icon { width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center; background: var(--accent-soft); color: var(--accent); margin-bottom: 6px; }
.benefit .icon svg { width: 22px; height: 22px; }
.benefit p { margin: 0; color: var(--text-2); }
.benefit .was { font-size: 0.875rem; color: var(--text-3); border-top: 1px dashed var(--border); padding-top: 12px; margin-top: auto; }
.benefit .was b { color: var(--text-2); font-weight: 600; }

/* product tabs (Home) */
.tabs { margin-top: 8px; }
.tablist { display: flex; justify-content: center; gap: 6px; flex-wrap: wrap; padding: 6px; border-radius: 14px; background: var(--paper); border: 1px solid var(--border); width: fit-content; margin: 0 auto 32px; }
.tablist button { font: inherit; font-weight: 600; font-size: 0.9375rem; border: 0; background: none; color: var(--text-2); padding: 9px 16px; border-radius: 10px; cursor: pointer; }
.tablist button:hover { color: var(--text); }
.tablist button[aria-selected="true"] { background: var(--accent); color: #fff; }
.tabpanel { display: grid; grid-template-columns: 4fr 8fr; gap: 48px; align-items: center; }
.tabpanel[hidden] { display: none; }
.tabpanel h3 { font-size: 1.5rem; margin-bottom: 12px; }
.tabpanel .sub { margin: 0 0 20px; }
.more { display: inline-flex; gap: 6px; font-weight: 600; margin-top: 22px; }
.more::after { content: "→"; transition: transform 120ms; }
.more:hover::after { transform: translateX(3px); }

/* screenshots: open larger */
a.zoom { display: block; cursor: zoom-in; }
figure.shot figcaption { padding: 12px 16px; font-size: 0.875rem; color: var(--text-2); border-top: 1px solid var(--border); background: var(--paper); }
dialog.lightbox { padding: 0; border: 0; background: transparent; max-width: 96vw; max-height: 94vh; overflow: visible; }
dialog.lightbox::backdrop { background: rgba(8, 12, 22, 0.86); }
dialog.lightbox img { max-width: 96vw; max-height: 94vh; width: auto; height: auto; border-radius: 10px; box-shadow: var(--shadow); cursor: zoom-out; }
.lightbox-close { position: fixed; top: 14px; right: 18px; width: 40px; height: 40px; border-radius: 50%; border: 0; background: rgba(255, 255, 255, 0.12); color: #fff; font-size: 1.5rem; cursor: pointer; }

/* comparison table */
.table { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); background: var(--paper); }
.table table { width: 100%; border-collapse: collapse; font-size: 0.9375rem; }
.table th, .table td { text-align: left; padding: 14px 18px; border-bottom: 1px solid var(--border); vertical-align: top; }
.table tr:last-child td { border-bottom: 0; }
.table th { font-size: 0.8125rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-3); font-weight: 650; background: var(--alt); }
.table td { color: var(--text-2); }
.table td:first-child { color: var(--text); font-weight: 600; }
.compare td.us { background: var(--accent-soft); color: var(--text); }
.compare th.us { color: var(--accent); }
.yes::before, .no::before, .some::before { display: inline-block; width: 1.3em; font-weight: 700; }
.yes::before { content: "✓"; color: var(--ok); }
.no::before { content: "✕"; color: #d14343; }
.some::before { content: "~"; color: #c47f00; }

/* principles (Why) */
.principles { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; counter-reset: p; }
.principle { background: var(--paper); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px 28px 28px 76px; position: relative; }
.principle::before { counter-increment: p; content: counter(p); position: absolute; left: 24px; top: 26px; width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center; background: var(--accent); color: #fff; font-weight: 700; }
.principle p { margin: 8px 0 0; color: var(--text-2); }
.story { font-size: 1.125rem; color: var(--text-2); }
.story p { margin: 0 0 18px; }
.story strong { color: var(--text); }
.story h2 { color: var(--text); }
.pain { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin-top: 32px; }
.pain div { padding: 20px 22px; border-radius: 12px; background: var(--paper); border: 1px solid var(--border); border-left: 3px solid #d14343; }
.pain b { display: block; color: var(--text); margin-bottom: 4px; }
.pain span { color: var(--text-2); font-size: 0.9375rem; }

/* roles */
.role { display: grid; grid-template-columns: 5fr 7fr; gap: 56px; align-items: start; }
.role.reverse { grid-template-columns: 7fr 5fr; }
.role.reverse .role-copy { order: 2; }
.role h2 { font-size: clamp(1.5rem, 1.1rem + 1.4vw, 2rem); }
.role .quote { margin: 18px 0 20px; padding: 14px 18px; border-left: 3px solid var(--accent); background: var(--accent-soft); border-radius: 0 10px 10px 0; color: var(--text); font-style: italic; }
.role-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.role-cards a { display: block; padding: 22px; border-radius: var(--radius); background: var(--paper); border: 1px solid var(--border); color: var(--text); }
.role-cards a:hover { border-color: var(--accent); }
.role-cards b { display: block; font-size: 1.0625rem; margin-bottom: 4px; }
.role-cards span { color: var(--text-2); font-size: 0.9375rem; }

/* product page */
.product-section { padding: 88px 0; }
.product-section.alt { background: var(--alt); }
.capabilities { display: grid; grid-template-columns: repeat(2, 1fr); gap: 56px 48px; }
.capability h3 { font-size: 1.25rem; margin: 22px 0 8px; }
.capability p { margin: 0; color: var(--text-2); }
.capability .ticks { margin-top: 14px; }
.capability .shot { box-shadow: 0 16px 40px -20px rgba(16, 24, 40, 0.3); }
.capability .more { margin-top: 14px; font-size: 0.9375rem; }
.small-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 48px; }
.small-grid div { padding: 20px; border-radius: 12px; background: var(--paper); border: 1px solid var(--border); }
.small-grid b { display: block; margin-bottom: 4px; }
.small-grid span { color: var(--text-2); font-size: 0.9375rem; }

/* security */
.facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.fact { padding: 26px; border-radius: var(--radius); background: var(--paper); border: 1px solid var(--border); }
.fact h3 { margin-bottom: 8px; }
.fact p { margin: 0; color: var(--text-2); font-size: 0.9375rem; }
.fact ul { margin: 10px 0 0; padding-left: 18px; color: var(--text-2); font-size: 0.9375rem; }

/* pricing extras */
.counting { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.example { font-size: 0.9375rem; color: var(--text-2); margin-top: 10px; padding-top: 10px; border-top: 1px dashed var(--border); }
.ticks.included { display: block; columns: 3; column-gap: 32px; max-width: 1000px; margin: 0 auto; }
.included li { break-inside: avoid; margin-bottom: 10px; }

/* docs */
.docs { display: grid; grid-template-columns: 250px minmax(0, 1fr) 200px; gap: 48px; align-items: start; padding-top: 32px; padding-bottom: 80px; max-width: 1320px; }
.docs-side, .docs-toc { position: sticky; top: 88px; max-height: calc(100vh - 104px); overflow-y: auto; }
.docs-side { overflow: visible; display: flex; flex-direction: column; z-index: 5; }
.side-nav { overflow-y: auto; min-height: 0; padding-right: 4px; }
.only-phone { display: none !important; }
.docs-menu { display: none; }
.search { position: relative; margin-bottom: 18px; }
.search input { width: 100%; font: inherit; font-size: 0.9375rem; padding: 9px 34px 9px 12px; border-radius: 10px; border: 1px solid var(--border); background: var(--paper); color: var(--text); outline: none; }
.search input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.search kbd { position: absolute; right: 10px; top: 9px; font: 600 0.75rem ui-monospace, Menlo, monospace; color: var(--text-3); border: 1px solid var(--border); border-radius: 5px; padding: 1px 6px; }
.search input:not(:placeholder-shown) + kbd { display: none; }
.search-results { position: absolute; z-index: 20; top: calc(100% + 6px); left: 0; width: min(440px, calc(100vw - 40px)); max-height: 70vh; overflow-y: auto; background: var(--paper); border: 1px solid var(--border); border-radius: 12px; box-shadow: var(--shadow); padding: 6px; }
.search-results a { display: block; padding: 10px 12px; border-radius: 8px; color: var(--text); }
.search-results a:hover, .search-results a.active { background: var(--accent-soft); }
.search-results b { font-size: 0.9375rem; }
.search-results small { margin-left: 8px; color: var(--text-3); font-size: 0.75rem; }
.search-results span { display: block; color: var(--text-2); font-size: 0.8125rem; line-height: 1.45; margin-top: 2px; }
.search-results mark { background: rgba(250, 204, 21, 0.4); color: inherit; border-radius: 2px; }
.search-results p { margin: 10px 12px; color: var(--text-2); font-size: 0.875rem; }
.side-group { margin-bottom: 6px; }
.side-group summary { list-style: none; cursor: pointer; padding: 8px 0 6px; font-weight: 650; font-size: 0.8125rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-3); position: static; }
.side-group summary::after { content: none; }
.side-group summary::-webkit-details-marker { display: none; }
.side-group summary:hover { color: var(--text); }
.side-group ul { list-style: none; margin: 0 0 10px; padding: 0; border-left: 1px solid var(--border); }
.side-group a { display: block; padding: 5px 0 5px 14px; margin-left: -1px; border-left: 2px solid transparent; color: var(--text-2); font-size: 0.9375rem; line-height: 1.4; }
.side-group a:hover { color: var(--text); }
.side-group a[aria-current="page"] { color: var(--accent); border-left-color: var(--accent); font-weight: 600; }
.docs-toc p { font-size: 0.8125rem; font-weight: 650; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-3); margin: 8px 0 10px; }
.docs-toc ul { list-style: none; margin: 0; padding: 0; }
.docs-toc a { display: block; padding: 4px 0; color: var(--text-2); font-size: 0.875rem; line-height: 1.4; }
.docs-toc .toc-3 a { padding-left: 12px; font-size: 0.8125rem; }
.docs-toc a:hover, .docs-toc a.active { color: var(--accent); }
.doc { min-width: 0; max-width: 780px; }
.crumbs { margin: 0 0 10px; font-size: 0.875rem; color: var(--text-3); display: flex; gap: 8px; }
.doc h1 { font-size: clamp(2rem, 1.5rem + 1.6vw, 2.625rem); font-weight: 800; letter-spacing: -0.03em; }
.doc-lead { font-size: 1.1875rem; color: var(--text-2); margin: 14px 0 28px; }
.doc h2 { font-size: 1.5rem; margin: 48px 0 14px; padding-top: 8px; scroll-margin-top: 84px; position: relative; }
.doc h3 { font-size: 1.125rem; margin: 32px 0 10px; scroll-margin-top: 84px; position: relative; }
.doc .anchor { position: absolute; left: -22px; color: var(--text-3); opacity: 0; font-weight: 500; }
.doc h2:hover .anchor, .doc h3:hover .anchor { opacity: 1; }
.doc p, .doc li { color: var(--text-2); }
.doc p { margin: 0 0 16px; }
.doc strong { color: var(--text); font-weight: 600; }
.doc ul, .doc ol { margin: 0 0 18px; padding-left: 22px; }
.doc li { margin-bottom: 8px; }
.doc li > ul, .doc li > ol { margin: 8px 0 0; }
.doc > ol { list-style: none; counter-reset: step; padding-left: 0; }
.doc > ol > li { counter-increment: step; position: relative; padding-left: 42px; margin-bottom: 14px; }
.doc > ol > li::before { content: counter(step); position: absolute; left: 0; top: 0; width: 28px; height: 28px; border-radius: 8px; background: var(--accent-soft); color: var(--accent); display: grid; place-items: center; font-weight: 700; font-size: 0.875rem; }
.doc code { font-family: ui-monospace, "JetBrains Mono", SFMono-Regular, Menlo, monospace; font-size: 0.85em; background: var(--alt); border: 1px solid var(--border); border-radius: 6px; padding: 1px 6px; color: var(--text); }
.doc pre { background: var(--navy); color: #dbe5f5; border: 1px solid var(--border); border-radius: 12px; padding: 18px 20px; overflow-x: auto; margin: 0 0 20px; font-size: 0.875rem; line-height: 1.6; }
.doc pre code { background: none; border: 0; padding: 0; color: inherit; font-size: inherit; }
.doc figure.shot { margin: 8px 0 28px; box-shadow: 0 18px 40px -24px rgba(16, 24, 40, 0.35); border-radius: 12px; }
.doc .table { margin: 0 0 22px; }
.doc .table td:first-child { font-weight: 500; }
.doc hr { border: 0; border-top: 1px solid var(--border); margin: 36px 0; }
.doc blockquote { margin: 0 0 20px; padding: 4px 18px; border-left: 3px solid var(--border); }
.callout { margin: 0 0 22px; padding: 16px 20px; border-radius: 12px; border: 1px solid var(--border); background: var(--paper); border-left: 4px solid var(--accent); }
.callout p:last-child { margin-bottom: 0; }
.callout-title { font-weight: 700; color: var(--text) !important; margin-bottom: 4px !important; font-size: 0.875rem; text-transform: uppercase; letter-spacing: 0.05em; }
.callout-tip { border-left-color: var(--ok); }
.callout-warning { border-left-color: #e08a00; }
.callout-why { border-left-color: #7c5cff; }
.doc-help { margin-top: 48px !important; padding: 16px 20px; border-radius: 12px; background: var(--alt); font-size: 0.9375rem; }
.pager { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 28px; }
.pager a { display: block; padding: 16px 20px; border: 1px solid var(--border); border-radius: 12px; background: var(--paper); color: var(--text); font-weight: 600; }
.pager a:hover { border-color: var(--accent); }
.pager small { display: block; color: var(--text-3); font-weight: 500; font-size: 0.8125rem; margin-bottom: 2px; }
.pager .next { text-align: right; }
.doc-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin: 8px 0 28px; }
.doc-cards a { display: block; padding: 18px 20px; border: 1px solid var(--border); border-radius: 12px; background: var(--paper); color: var(--text); }
.doc-cards a:hover { border-color: var(--accent); }
.doc-cards b { display: block; margin-bottom: 4px; }
.doc-cards span { color: var(--text-2); font-size: 0.9375rem; }

/* 404 */
.notfound { padding: 120px 0; text-align: center; }

/* small screens */
@media (max-width: 1180px) {
  .docs { grid-template-columns: 230px minmax(0, 1fr); }
  .docs-toc { display: none; }
}
@media (max-width: 980px) {
  .feature-grid, .feature-grid.reverse, .tabpanel, .role, .role.reverse { grid-template-columns: 1fr; gap: 36px; }
  .role.reverse .role-copy { order: 0; }
  .benefits, .facts, .counting, .role-cards, .small-grid { grid-template-columns: repeat(2, 1fr); }
  .capabilities, .principles { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .included { columns: 2; }
  .feature-grid.reverse .feature-copy { order: 0; }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .plans { grid-template-columns: 1fr; max-width: 520px; }
}
@media (max-width: 820px) {
  .docs { grid-template-columns: 1fr; gap: 0; padding-top: 16px; }
  .docs-menu { display: flex; align-items: center; gap: 8px; font: inherit; font-weight: 600; font-size: 0.9375rem; padding: 10px 14px; border-radius: 10px; border: 1px solid var(--border); background: var(--paper); color: var(--text); margin-bottom: 20px; width: 100%; cursor: pointer; }
  .docs-menu::after { content: "▾"; margin-left: auto; color: var(--text-3); }
  .docs-side { display: none; position: static; max-height: none; margin-bottom: 20px; }
  .docs-side.open { display: block; }
  .nav-links a[aria-current="page"] { box-shadow: none; }
  .menu { display: block; }
  .link-quiet { display: none; }
  .nav-links {
    display: none; position: absolute; top: 64px; left: 0; right: 0; flex-direction: column; gap: 0; padding: 8px 20px 16px;
    background: var(--navy); border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }
  .nav-links.open { display: flex; }
  .nav-links .only-phone { display: block !important; }
  .nav-links .only-phone.btn { display: flex !important; margin-top: 14px; border-bottom: 0; color: #fff; }
  .nav-links a { padding: 12px 0; border-bottom: 1px solid rgba(255, 255, 255, 0.06); }
  .steps { grid-template-columns: 1fr; }
  .section { padding: 72px 0; }
  .hero { padding-top: 56px; }
}
@media (max-width: 560px) {
  .cards, .benefits, .facts, .counting, .role-cards, .small-grid, .pain, .doc-cards, .pager { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .included { columns: 1; }
  .tablist { width: 100%; }
  .tablist button { flex: 1; padding: 9px 10px; }
  .principle { padding: 70px 22px 22px; }
  .page-hero { padding: 56px 0 52px; }
  .nav-cta .btn-sm { display: none; }
  .hero-cta .btn { width: 100%; }
  .shot-hero { margin-top: 40px; }
  .diagram { padding: 20px; }
  .node-row { flex-direction: column; }
}