/* www.platformengineer.nl. No external resources, CSP-safe (no inline styles). */
@font-face { font-family: Inter; font-style: normal; font-weight: 400; font-display: swap; src: url(/assets/fonts/inter-400.woff2) format("woff2"); }
@font-face { font-family: Inter; font-style: normal; font-weight: 600; font-display: swap; src: url(/assets/fonts/inter-600.woff2) format("woff2"); }
@font-face { font-family: Inter; font-style: normal; font-weight: 700; font-display: swap; src: url(/assets/fonts/inter-700.woff2) format("woff2"); }
@font-face { font-family: Inter; font-style: normal; font-weight: 800; font-display: swap; src: url(/assets/fonts/inter-800.woff2) format("woff2"); }

:root {
  --bg: #080c1a;
  --bg-alt: #0b1124;
  --surface: #10172e;
  --surface-2: #141d3a;
  --border: rgba(148, 163, 255, .12);
  --border-strong: rgba(148, 163, 255, .24);
  --text: #e8ebf5;
  --muted: #9aa4bf;
  --faint: #6b7594;
  --cyan: #22d3ee;
  --indigo: #6366f1;
  --violet: #a855f7;
  --green: #34d399;
  --amber: #fbbf24;
  --red: #f87171;
  --grad: linear-gradient(100deg, var(--cyan) 0%, var(--indigo) 55%, var(--violet) 100%);
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 20px 50px -20px rgba(0, 0, 0, .6);
  --wrap: 1180px;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", "Cascadia Code", Menlo, Consolas, monospace;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 400 17px/1.65 Inter, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-feature-settings: "cv11", "ss01"; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: var(--cyan); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; border-radius: 6px; }
h1, h2, h3 { line-height: 1.15; letter-spacing: -.022em; margin: 0 0 .5em; font-weight: 800; }
h1 { font-size: clamp(2.2rem, 4.8vw, 3.6rem); }
h2 { font-size: clamp(1.8rem, 3.6vw, 2.7rem); }
h3 { font-size: 1.15rem; font-weight: 700; letter-spacing: -.01em; }
p { margin: 0 0 1em; }
ul, ol { margin: 0; padding: 0; list-style: none; }
.sr, .hp { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap; }
.hp { left: -9999px; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.narrow { max-width: 820px; }
.center { text-align: center; }
.muted { color: var(--faint); }
.grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.skip { position: absolute; left: 12px; top: -60px; z-index: 100; background: var(--surface-2); padding: 10px 16px; border-radius: 8px; }
.skip:focus { top: 12px; }

/* ---------- buttons */
.btn {
  --h: 52px;
  display: inline-flex; align-items: center; justify-content: center; gap: .55em;
  min-height: var(--h); padding: 0 26px; border-radius: 999px; border: 0; cursor: pointer;
  font: 700 1rem/1 Inter, system-ui, sans-serif; color: #fff; text-decoration: none !important;
  background: var(--grad); background-size: 160% 100%; background-position: 0 0;
  box-shadow: 0 10px 30px -10px rgba(99, 102, 241, .7), inset 0 1px 0 rgba(255,255,255,.2);
  transition: background-position .4s ease, transform .15s ease, box-shadow .2s ease;
}
.btn:hover { background-position: 100% 0; transform: translateY(-1px); box-shadow: 0 14px 34px -10px rgba(168, 85, 247, .8); }
.btn:active { transform: translateY(0); }
.btn .ico { width: 18px; height: 18px; transition: transform .2s; }
.btn:hover .ico { transform: translateX(3px); }
.btn-ghost { background: rgba(255,255,255,.04); box-shadow: inset 0 0 0 1px var(--border-strong); color: var(--text); }
.btn-ghost:hover { background: rgba(255,255,255,.08); box-shadow: inset 0 0 0 1px rgba(34, 211, 238, .5); }
.btn-sm { --h: 40px; padding: 0 18px; font-size: .92rem; }
.btn-block { width: 100%; }
.btn[disabled] { opacity: .55; cursor: not-allowed; transform: none; }

/* ---------- header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(8, 12, 26, .72); backdrop-filter: saturate(160%) blur(14px); -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; align-items: center; gap: 24px; height: 68px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--text); font-weight: 600; font-size: 1.08rem; letter-spacing: -.01em; text-decoration: none !important; }
.brand b { font-weight: 800; }
.brand i { font-style: normal; color: var(--faint); }
.site-nav { margin-left: auto; display: flex; align-items: center; gap: 22px; }
.site-nav ul { display: flex; gap: 22px; align-items: center; }
.site-nav a:not(.btn) { color: var(--muted); font-size: .94rem; font-weight: 500; }
.site-nav a:not(.btn):hover, .site-nav a[aria-current] { color: var(--text); text-decoration: none; }
.site-nav .lang { border: 1px solid var(--border-strong); border-radius: 6px; padding: 3px 8px; font-size: .78rem !important; font-weight: 700 !important; letter-spacing: .05em; }
.nav-toggle { display: none; margin-left: auto; width: 44px; height: 44px; border-radius: 10px; border: 1px solid var(--border-strong); background: transparent; cursor: pointer; }
.nav-toggle .bars, .nav-toggle .bars::before, .nav-toggle .bars::after { display: block; width: 18px; height: 2px; background: var(--text); border-radius: 2px; margin: 0 auto; position: relative; transition: transform .2s, background .2s; }
.nav-toggle .bars::before, .nav-toggle .bars::after { content: ""; position: absolute; left: 0; }
.nav-toggle .bars::before { top: -6px; } .nav-toggle .bars::after { top: 6px; }
.nav-toggle[aria-expanded="true"] .bars { background: transparent; }
.nav-toggle[aria-expanded="true"] .bars::before { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .bars::after { transform: translateY(-6px) rotate(-45deg); }

/* ---------- hero */
.hero { position: relative; padding: 88px 0 40px; overflow: hidden; isolation: isolate; }
.hero-bg { position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(600px 400px at 85% 10%, rgba(168, 85, 247, .22), transparent 70%),
    radial-gradient(700px 500px at 10% 0%, rgba(34, 211, 238, .16), transparent 70%),
    radial-gradient(900px 600px at 50% 110%, rgba(99, 102, 241, .14), transparent 70%);
}
.hero-bg::after { content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(148,163,255,.07) 1px, transparent 1px), linear-gradient(90deg, rgba(148,163,255,.07) 1px, transparent 1px);
  background-size: 48px 48px;
  -webkit-mask-image: radial-gradient(ellipse at 50% 30%, #000 20%, transparent 75%); mask-image: radial-gradient(ellipse at 50% 30%, #000 20%, transparent 75%);
}
.hero-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: 56px; align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; margin: 0 0 18px; font-size: .8rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--cyan); }
.eyebrow .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 4px rgba(52, 211, 153, .18); animation: pulse 2.4s infinite; }
@keyframes pulse { 50% { box-shadow: 0 0 0 7px rgba(52, 211, 153, .05); } }
.lead { font-size: clamp(1.08rem, 1.6vw, 1.24rem); color: var(--muted); max-width: 40em; }
.lead-sm { font-size: 1.1rem; color: var(--muted); }
.cta-row { display: flex; flex-wrap: wrap; gap: 14px; margin: 30px 0 18px; }
.center-row { justify-content: center; }
.hero-note { display: flex; align-items: center; gap: 8px; color: var(--faint); font-size: .92rem; }
.hero-note .ico { width: 18px; height: 18px; color: var(--green); }

.terminal { background: linear-gradient(180deg, #0d142b, #0a1023); border: 1px solid var(--border-strong); border-radius: var(--radius); box-shadow: var(--shadow), 0 0 0 1px rgba(255,255,255,.02), 0 0 80px -20px rgba(99,102,241,.5); overflow: hidden; transform: perspective(1400px) rotateY(-6deg) rotateX(2deg); transition: transform .6s ease; }
.terminal:hover { transform: none; }
.term-bar { display: flex; align-items: center; gap: 7px; padding: 12px 16px; border-bottom: 1px solid var(--border); background: rgba(255,255,255,.02); }
.term-bar i { width: 11px; height: 11px; border-radius: 50%; background: #ef4444; opacity: .85; }
.term-bar i:nth-child(2) { background: #f59e0b; } .term-bar i:nth-child(3) { background: #22c55e; }
.term-bar span { margin-left: 10px; font: 500 .78rem var(--mono); color: var(--faint); }
.term-body { margin: 0; padding: 20px 20px 24px; font: 400 .82rem/1.95 var(--mono); color: #c7cde0; white-space: pre; overflow-x: auto; }
.tl { display: inline-block; }
.tl b { font-weight: 700; }
.tl-cmd b { color: var(--violet); } .tl-cmd { color: #fff; }
.tl-ok b { color: var(--green); }
.tl-done { color: var(--cyan); font-weight: 600; } .tl-done b { color: var(--cyan); }
.terminal.anim .tl { opacity: 0; transform: translateY(4px); }
.terminal.anim.play .tl { animation: line .35s ease forwards; }
.terminal.anim.play .tl:nth-child(1) { animation-delay: .2s; } .terminal.anim.play .tl:nth-child(2) { animation-delay: .7s; }
.terminal.anim.play .tl:nth-child(3) { animation-delay: 1.1s; } .terminal.anim.play .tl:nth-child(4) { animation-delay: 1.5s; }
.terminal.anim.play .tl:nth-child(5) { animation-delay: 1.9s; } .terminal.anim.play .tl:nth-child(6) { animation-delay: 2.3s; }
.terminal.anim.play .tl:nth-child(7) { animation-delay: 2.9s; }
@keyframes line { to { opacity: 1; transform: none; } }

.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin-top: 64px; background: var(--border); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.stats li { background: rgba(11, 17, 36, .9); padding: 26px 28px; display: flex; flex-direction: column; gap: 4px; }
.stats strong { font-size: clamp(2rem, 3.5vw, 2.6rem); font-weight: 800; letter-spacing: -.03em; line-height: 1; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stats span { color: var(--muted); font-size: .95rem; }

/* ---------- sections */
.section { padding: 104px 0; position: relative; }
.section-alt { background: linear-gradient(180deg, var(--bg-alt), var(--bg)); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.sec-head { max-width: 760px; margin: 0 0 52px; }
.sec-head > p:last-child { color: var(--muted); font-size: 1.1rem; margin: 0; }
.grid { display: grid; gap: 20px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card { position: relative; background: linear-gradient(180deg, var(--surface), rgba(16, 23, 46, .6)); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease; }
.card:hover { transform: translateY(-4px); border-color: var(--border-strong); box-shadow: var(--shadow); }
.card::before { content: ""; position: absolute; inset: -1px; border-radius: inherit; padding: 1px; background: var(--grad); opacity: 0; transition: opacity .3s;
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude; pointer-events: none; }
.card:hover::before { opacity: .7; }
.card p { color: var(--muted); font-size: .97rem; margin: 0; }
.card-problem .ico { width: 26px; height: 26px; color: var(--amber); margin-bottom: 16px; }
.ico-wrap { width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center; margin-bottom: 20px; background: linear-gradient(135deg, rgba(34,211,238,.18), rgba(168,85,247,.18)); border: 1px solid var(--border-strong); color: var(--cyan); }
.ico-wrap .ico { width: 26px; height: 26px; }
.card-service p { margin-bottom: 18px; }
.ticks li { display: flex; gap: 10px; align-items: flex-start; color: var(--text); font-size: .94rem; padding: 4px 0; }
.ticks .ico { flex: none; width: 18px; height: 18px; margin-top: 3px; color: var(--green); }
.ticks-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 4px 20px; margin: 22px 0 6px; }

/* steps */
.steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; counter-reset: s; position: relative; }
.steps::before { content: ""; position: absolute; top: 27px; left: 28px; right: 28px; height: 2px; background: var(--grad); opacity: .35; }
.step { position: relative; display: flex; flex-direction: column; gap: 18px; }
.step-n { width: 56px; height: 56px; border-radius: 50%; display: grid; place-items: center; font: 800 1.05rem var(--mono); background: var(--bg); border: 2px solid transparent;
  background-image: linear-gradient(var(--bg), var(--bg)), var(--grad); background-origin: border-box; background-clip: padding-box, border-box; position: relative; z-index: 1; }
.step-when { font: 600 .74rem var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--cyan); margin: 0 0 6px; }
.step p:last-child { color: var(--muted); font-size: .95rem; margin: 0; }

/* tools */
.tool-group { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; }
.tool-group h3 { font-size: .8rem; letter-spacing: .12em; text-transform: uppercase; color: var(--faint); font-weight: 700; margin-bottom: 16px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chips li { font-size: .88rem; font-weight: 600; padding: 7px 12px; border-radius: 8px; background: rgba(148,163,255,.06); border: 1px solid var(--border); color: var(--text); transition: border-color .2s, background .2s, color .2s; }
.chips li:hover { border-color: rgba(34,211,238,.5); background: rgba(34,211,238,.08); color: #fff; }

/* security / split */
.split { display: grid; grid-template-columns: 1fr 1.1fr; gap: 64px; align-items: start; }
.split-copy { position: sticky; top: 110px; }
.pipeline { display: flex; flex-wrap: wrap; gap: 0; margin-top: 30px; font: 600 .78rem var(--mono); }
.pipeline span { padding: 9px 14px 9px 22px; background: var(--surface-2); color: var(--muted); position: relative; clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 50%, calc(100% - 10px) 100%, 0 100%, 10px 50%); margin-right: -4px; }
.pipeline span:first-child { clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 50%, calc(100% - 10px) 100%, 0 100%); padding-left: 14px; }
.pipeline span:nth-child(3), .pipeline span:nth-child(4), .pipeline span:nth-child(6) { background: linear-gradient(90deg, rgba(34,211,238,.25), rgba(168,85,247,.25)); color: #fff; }
.sec-points { display: grid; gap: 14px; }
.sec-points li { display: flex; gap: 18px; padding: 22px 24px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); transition: border-color .2s; }
.sec-points li:hover { border-color: var(--border-strong); }
.sec-points .ico { flex: none; width: 26px; height: 26px; color: var(--cyan); margin-top: 2px; }
.sec-points h3 { margin-bottom: 4px; }
.sec-points p { margin: 0; color: var(--muted); font-size: .96rem; }

/* engagement */
.card-engage { display: flex; flex-direction: column; }
.card-engage p { flex: 1; margin-bottom: 18px; }
.tag { align-self: flex-start; font: 700 .72rem var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--violet); background: rgba(168,85,247,.12); border: 1px solid rgba(168,85,247,.3); padding: 4px 10px; border-radius: 999px; margin-bottom: 16px; }
.more { display: inline-flex; align-items: center; gap: 6px; font-weight: 600; font-size: .94rem; }
.more .ico { width: 16px; height: 16px; transition: transform .2s; }
.more:hover .ico { transform: translateX(3px); }

/* about */
.about { grid-template-columns: .8fr 1.2fr; align-items: center; }
.about-card { background: radial-gradient(400px 300px at 50% 0%, rgba(99,102,241,.25), transparent 70%), var(--surface); border: 1px solid var(--border-strong); border-radius: 24px; padding: 40px 32px 32px; text-align: center; box-shadow: var(--shadow); }
.avatar { width: 112px; height: 112px; margin: 0 auto 18px; border-radius: 50%; display: grid; place-items: center; font-size: 2.4rem; font-weight: 800; letter-spacing: -.03em; background: var(--grad); color: #fff; box-shadow: 0 0 0 6px rgba(99,102,241,.15), 0 0 60px -10px rgba(168,85,247,.7); }
.about-name { font-size: 1.35rem; font-weight: 800; margin: 0; }
.about-role { color: var(--muted); margin: 0 0 8px; }
.stats-mini { grid-template-columns: 1fr; margin-top: 22px; text-align: left; }
.stats-mini li { flex-direction: row; align-items: center; gap: 14px; padding: 14px 18px; }
.stats-mini strong { font-size: 1.5rem; min-width: 70px; }
.stats-mini span { font-size: .88rem; }
.about .btn-ghost .ico { width: 18px; height: 18px; }

/* faq */
.faq details { border-bottom: 1px solid var(--border); }
.faq summary { list-style: none; cursor: pointer; padding: 22px 44px 22px 0; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary h3 { margin: 0; font-size: 1.1rem; font-weight: 600; }
.faq summary::after { content: ""; position: absolute; right: 6px; top: 50%; width: 12px; height: 12px; margin-top: -8px; border-right: 2px solid var(--cyan); border-bottom: 2px solid var(--cyan); transform: rotate(45deg); transition: transform .25s; }
.faq details[open] summary::after { transform: rotate(-135deg); margin-top: -2px; }
.faq summary:hover h3 { color: #fff; }
.faq details p { color: var(--muted); margin: -4px 0 24px; max-width: 70ch; }
.faq-more { margin-top: 28px; }
.faq-more a { display: inline-flex; gap: 8px; align-items: center; font-weight: 600; }
.faq-more .ico { width: 18px; height: 18px; }

/* contact */
.contact { overflow: hidden; isolation: isolate; }
.contact-glow { position: absolute; inset: 0; z-index: -1; background: radial-gradient(700px 500px at 0% 50%, rgba(34,211,238,.10), transparent 70%), radial-gradient(700px 500px at 100% 40%, rgba(168,85,247,.14), transparent 70%); }
.contact .split { grid-template-columns: .9fr 1.1fr; }
.contact .ticks { margin-top: 22px; }
.contact-alt { margin-top: 26px; }
.contact-alt a { display: inline-flex; align-items: center; gap: 8px; color: var(--muted); font-weight: 600; }
.contact-alt a:hover { color: var(--text); }
.contact-alt .ico { width: 20px; height: 20px; }
.form-card { background: linear-gradient(180deg, rgba(20,29,58,.9), rgba(16,23,46,.9)); border: 1px solid var(--border-strong); border-radius: 22px; padding: 34px; box-shadow: var(--shadow), 0 0 100px -30px rgba(99,102,241,.6); }
.row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: .86rem; font-weight: 600; color: var(--muted); margin-bottom: 7px; }
.field input, .field select, .field textarea {
  width: 100%; font: 400 1rem/1.4 Inter, system-ui, sans-serif; color: var(--text);
  background: rgba(8, 12, 26, .7); border: 1px solid var(--border-strong); border-radius: var(--radius-sm); padding: 13px 14px;
  transition: border-color .2s, box-shadow .2s;
}
.field textarea { resize: vertical; min-height: 130px; }
.field select { appearance: none; -webkit-appearance: none; padding-right: 40px; cursor: pointer;
  background-image: linear-gradient(45deg, transparent 50%, var(--cyan) 50%), linear-gradient(135deg, var(--cyan) 50%, transparent 50%);
  background-position: calc(100% - 20px) 55%, calc(100% - 15px) 55%; background-size: 5px 5px; background-repeat: no-repeat; }
.field select option { background: var(--surface); }
.field input::placeholder, .field textarea::placeholder { color: var(--faint); }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--cyan); box-shadow: 0 0 0 4px rgba(34, 211, 238, .15); }
.field.invalid input, .field.invalid textarea, .consent.invalid input { border-color: var(--red); box-shadow: 0 0 0 4px rgba(248, 113, 113, .15); }
.consent { display: flex; gap: 12px; align-items: flex-start; font-size: .9rem; color: var(--muted); margin: 4px 0 22px; cursor: pointer; }
.consent input { flex: none; width: 20px; height: 20px; margin: 2px 0 0; accent-color: var(--indigo); }
.consent.invalid span { color: var(--red); }
.form-msg { margin: 16px 0 0; padding: 12px 14px; border-radius: var(--radius-sm); font-size: .92rem; background: rgba(248,113,113,.1); border: 1px solid rgba(248,113,113,.35); color: #fecaca; }
.form-msg-warn { background: rgba(251,191,36,.08); border-color: rgba(251,191,36,.35); color: #fde68a; margin: 0 0 18px; }
.form-success { text-align: center; padding: 40px 10px; }
.form-success:focus { outline: none; }
.success-ico { width: 72px; height: 72px; margin: 0 auto 20px; border-radius: 50%; display: grid; place-items: center; background: rgba(52,211,153,.12); border: 1px solid rgba(52,211,153,.45); color: var(--green); }
.success-ico .ico { width: 36px; height: 36px; }
.form-success p { color: var(--muted); }

/* ---------- article pages */
.article-head { position: relative; padding: 80px 0 40px; isolation: isolate; overflow: hidden; border-bottom: 1px solid var(--border); }
.article-head-sm { padding: 64px 0 24px; }
.article-head h1 { font-size: clamp(2.1rem, 4.6vw, 3.4rem); }
.crumbs { font-size: .88rem; color: var(--faint); margin-bottom: 26px; }
.crumbs a { color: var(--muted); }
.byline { color: var(--faint); font-size: .92rem; margin: 0; }
.prose { padding-top: 48px; padding-bottom: 96px; }
.prose h2 { font-size: clamp(1.45rem, 2.6vw, 1.85rem); margin-top: 1.8em; }
.prose p { color: #c9cfe0; font-size: 1.07rem; line-height: 1.8; }
.toc { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px 26px; }
.toc ol { list-style: decimal; padding-left: 20px; columns: 2; column-gap: 32px; }
.toc li { padding: 3px 0; color: var(--faint); break-inside: avoid; }
.toc a { color: var(--muted); font-size: .95rem; }
.inline-cta { display: flex; align-items: center; gap: 22px; justify-content: space-between; margin: 40px 0; padding: 22px 26px; border-radius: var(--radius); background: linear-gradient(100deg, rgba(34,211,238,.10), rgba(168,85,247,.12)); border: 1px solid var(--border-strong); }
.inline-cta p { margin: 0; font-size: .98rem !important; }
.inline-cta .btn { flex: none; }
.cta-box { margin-top: 64px; text-align: center; padding: 48px 32px; border-radius: 24px; border: 1px solid var(--border-strong); background: radial-gradient(500px 300px at 50% 0%, rgba(99,102,241,.28), transparent 70%), var(--surface); }
.cta-box h2 { margin-top: 0; }
.cta-box p { color: var(--muted); max-width: 46ch; margin: 0 auto 26px; }

/* 404 */
.hero-404 { padding: 120px 0 140px; }
.big404 { font-size: clamp(6rem, 18vw, 10rem); font-weight: 800; letter-spacing: -.06em; line-height: 1; margin: 0 0 10px; }
.hero-404 .lead { margin: 0 auto 10px; }

/* ---------- footer */
.site-footer { border-top: 1px solid var(--border); background: #060915; padding: 64px 0 28px; color: var(--muted); font-size: .94rem; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 40px; }
.footer-brand p { margin-top: 16px; max-width: 38ch; }
.footer-h { font-size: .78rem; text-transform: uppercase; letter-spacing: .12em; color: var(--faint); margin-bottom: 14px; }
.footer-links li { padding: 4px 0; }
.footer-links a { color: var(--muted); }
.footer-links a:hover { color: var(--text); }
.footer-legal { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px; margin-top: 48px; padding-top: 22px; border-top: 1px solid var(--border); font-size: .84rem; color: var(--faint); }

/* ---------- reveal on scroll (only when JS is running) */
.rv { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.rv.in { opacity: 1; transform: none; }

/* ---------- responsive */
@media (max-width: 1080px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: 1fr; gap: 0; }
  .steps::before { top: 28px; bottom: 28px; left: 27px; right: auto; width: 2px; height: auto; background: linear-gradient(180deg, var(--cyan), var(--violet)); }
  .step { flex-direction: row; gap: 24px; padding-bottom: 28px; }
  .step-n { flex: none; }
}
@media (max-width: 960px) {
  .nav-toggle { display: block; }
  .site-nav { position: absolute; top: 68px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 14px; padding: 18px 24px 26px;
    background: rgba(8, 12, 26, .98); border-bottom: 1px solid var(--border); display: none; }
  .site-nav.open { display: flex; }
  .no-js .nav-toggle { display: none; }
  .no-js .site-nav { display: flex; position: static; background: none; border: 0; padding: 0; margin-left: auto; }
  .no-js .site-nav ul { display: none; }
  .site-nav ul { flex-direction: column; align-items: flex-start; gap: 2px; }
  .site-nav ul a:not(.btn) { display: block; padding: 10px 0; font-size: 1.05rem; }
  .site-nav .lang { padding: 4px 10px !important; margin-top: 6px; }
  .hero { padding-top: 56px; }
  .hero-grid, .split, .about, .contact .split { grid-template-columns: 1fr; gap: 40px; }
  .split-copy { position: static; }
  .terminal { transform: none; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 640px) {
  body { font-size: 16px; }
  .wrap { padding: 0 18px; }
  .section { padding: 72px 0; }
  .grid-3, .grid-4, .row-2, .ticks-2 { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr; margin-top: 44px; }
  .stats li { flex-direction: row; align-items: center; gap: 16px; padding: 18px 20px; }
  .stats strong { min-width: 84px; }
  .cta-row .btn { width: 100%; }
  .form-card { padding: 24px 20px; border-radius: 18px; }
  .term-body { font-size: .72rem; padding: 16px; }
  .toc ol { columns: 1; }
  .inline-cta { flex-direction: column; align-items: flex-start; }
  .footer-grid { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .rv, .terminal.anim .tl { opacity: 1 !important; transform: none !important; }
}