/* NeuraWall product site. Hand-written, no build step. Colours match the console tokens. */
:root {
  --bg: #fbfbfd;
  --bg-alt: #f2f4f7;
  --card: #ffffff;
  --ink: #12181f;
  --muted: #516272;
  --line: #dbe2e9;
  --accent: #0c7e52;
  --accent-ink: #ffffff;
  --accent-soft: #e3f4ec;
  --dark: #0b1016;
  --dark-card: #111821;
  --dark-line: #1e2a36;
  --dark-ink: #e6edf3;
  --dark-muted: #9aabbb;
  --glow: #3ddc97;
  --radius: 18px;
  --max: 1120px;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1016;
    --bg-alt: #0e141b;
    --card: #111821;
    --ink: #e6edf3;
    --muted: #9aabbb;
    --line: #1e2a36;
    --accent: #3ddc97;
    --accent-ink: #062116;
    --accent-soft: #11261d;
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 17px/1.55 var(--sans); -webkit-font-smoothing: antialiased; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
img, svg { max-width: 100%; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--card); padding: 8px 14px; border-radius: 8px; z-index: 100; }
.skip:focus { left: 8px; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }

/* ---- parent bar + nav (the "Microsoft | Azure" pattern) ---- */
.parent { background: var(--bg-alt); border-bottom: 1px solid var(--line); font-size: 13px; }
.parent .wrap { display: flex; gap: 18px; align-items: center; height: 36px; color: var(--muted); }
.parent a { color: var(--muted); }
.parent a.brand { color: var(--ink); font-weight: 650; letter-spacing: .08em; }
.parent .sep { opacity: .5; }
.parent .right { margin-left: auto; display: flex; gap: 18px; }
nav.main { position: sticky; top: 0; z-index: 50; background: color-mix(in srgb, var(--bg) 82%, transparent); backdrop-filter: saturate(180%) blur(18px); -webkit-backdrop-filter: saturate(180%) blur(18px); border-bottom: 1px solid var(--line); }
nav.main .wrap { display: flex; align-items: center; gap: 28px; height: 56px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 650; font-size: 18px; color: var(--ink); }
.logo:hover { text-decoration: none; }
.logo svg { width: 26px; height: 26px; }
nav.main ul { display: flex; gap: 22px; list-style: none; margin: 0; padding: 0; font-size: 14px; }
nav.main ul a { color: var(--muted); }
nav.main ul a:hover, nav.main ul a[aria-current="page"] { color: var(--ink); text-decoration: none; }
nav.main .cta { margin-left: auto; display: flex; gap: 10px; align-items: center; }

.btn { white-space: nowrap; display: inline-flex; align-items: center; gap: 8px; border-radius: 999px; padding: 11px 22px; font-weight: 600; font-size: 15px; border: 1px solid transparent; cursor: pointer; }
.btn:hover { text-decoration: none; }
.btn.primary { background: var(--accent); color: var(--accent-ink); }
.btn.primary:hover { filter: brightness(1.08); }
.btn.ghost { color: var(--accent); }
.btn.line { border-color: var(--line); color: var(--ink); }
.btn.small { padding: 7px 16px; font-size: 14px; }
.btn.on-dark.line { border-color: var(--dark-line); color: var(--dark-ink); }

/* ---- hero ---- */
.hero { padding: 96px 0 72px; text-align: center; background: radial-gradient(900px 420px at 50% -80px, color-mix(in srgb, var(--accent) 16%, transparent), transparent 70%); }
.eyebrow { font-size: 14px; font-weight: 600; letter-spacing: .02em; color: var(--accent); margin: 0 0 16px; }
h1 { font-size: clamp(40px, 7vw, 76px); line-height: 1.04; letter-spacing: -0.028em; margin: 0 auto 20px; max-width: 16ch; font-weight: 700; }
.lede { font-size: clamp(19px, 2.4vw, 24px); line-height: 1.4; color: var(--muted); max-width: 40ch; margin: 0 auto 32px; }
.hero .actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.hero .fine { margin-top: 18px; font-size: 14px; color: var(--muted); }
.pipeline { margin: 64px auto 0; max-width: 980px; }
.pipeline svg { width: 100%; height: auto; display: block; }

/* ---- sections ---- */
section { padding: 96px 0; }
section.alt { background: var(--bg-alt); }
section.dark { background: var(--dark); color: var(--dark-ink); }
section.dark .muted, section.dark p.sub { color: var(--dark-muted); }
h2 { font-size: clamp(30px, 4.6vw, 52px); line-height: 1.08; letter-spacing: -0.022em; margin: 0 0 14px; font-weight: 700; max-width: 20ch; }
p.sub { font-size: clamp(18px, 2vw, 21px); color: var(--muted); max-width: 52ch; margin: 0 0 48px; }
.center { text-align: center; }
.center h2, .center p.sub { margin-left: auto; margin-right: auto; }
.muted { color: var(--muted); }

.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; counter-reset: s; }
.step { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 32px 28px; }
.step::before { counter-increment: s; content: counter(s); display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; background: var(--accent-soft); color: var(--accent); font-weight: 700; margin-bottom: 18px; }
.step h3 { margin: 0 0 8px; font-size: 22px; letter-spacing: -0.01em; }
.step p { margin: 0; color: var(--muted); }

.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.tile { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; }
.tile h3 { margin: 0 0 8px; font-size: 19px; letter-spacing: -0.01em; }
.tile p { margin: 0; color: var(--muted); font-size: 16px; }
.tile .ico { width: 40px; height: 40px; border-radius: 11px; background: var(--accent-soft); color: var(--accent); display: grid; place-items: center; margin-bottom: 16px; }
.tile .ico svg { width: 22px; height: 22px; }
section.dark .tile { background: var(--dark-card); border-color: var(--dark-line); }
section.dark .tile p { color: var(--dark-muted); }
section.dark .tile .ico { background: #11261d; color: var(--glow); }

.split { display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: center; }
.panel { background: var(--dark); border: 1px solid var(--dark-line); border-radius: var(--radius); padding: 22px; color: var(--dark-ink); font-family: var(--mono); font-size: 13.5px; line-height: 1.7; box-shadow: 0 30px 60px -30px rgba(0, 0, 0, .45); }
.panel .row { display: flex; justify-content: space-between; gap: 16px; padding: 8px 0; border-bottom: 1px solid var(--dark-line); }
.panel .row:last-child { border: 0; }
.panel .row span { overflow-wrap: anywhere; min-width: 0; }
.panel .k { color: var(--dark-muted); white-space: nowrap; }
.panel .row { flex-wrap: wrap; }
.panel .ok { color: var(--glow); }
.panel .warn { color: #f0b429; }
.panel .head { font-family: var(--sans); font-weight: 650; font-size: 15px; margin-bottom: 6px; }
.checks { list-style: none; padding: 0; margin: 24px 0 0; display: grid; gap: 12px; }
.checks li { display: flex; gap: 12px; }
.checks li::before { content: "✓"; color: var(--accent); font-weight: 700; flex: none; }
section.dark .checks li::before { color: var(--glow); }

/* ---- pricing ---- */
.plans { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; align-items: stretch; }
.plan { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 24px; display: flex; flex-direction: column; }
.plan.feature { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
.plan h3 { margin: 0; font-size: 20px; }
.plan .price { font-size: 38px; font-weight: 700; letter-spacing: -0.02em; margin: 14px 0 2px; }
.plan .price small { font-size: 15px; font-weight: 500; color: var(--muted); }
.plan .yearly { color: var(--muted); font-size: 14px; min-height: 21px; }
.plan ul { list-style: none; padding: 0; margin: 20px 0 24px; display: grid; gap: 10px; font-size: 15px; flex: 1; }
.plan ul li::before { content: "✓ "; color: var(--accent); font-weight: 700; }
.plan .btn { justify-content: center; }
.tag { display: inline-block; font-size: 12px; font-weight: 650; color: var(--accent); background: var(--accent-soft); padding: 3px 10px; border-radius: 999px; margin-left: 8px; vertical-align: middle; }
table.compare { width: 100%; border-collapse: collapse; font-size: 15px; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
table.compare th, table.compare td { text-align: left; padding: 14px 18px; border-bottom: 1px solid var(--line); vertical-align: top; }
table.compare th { font-weight: 600; background: var(--bg-alt); }
table.compare tr:last-child td { border-bottom: 0; }
.scroll { overflow-x: auto; }
table.compare td code { overflow-wrap: anywhere; font-size: 12.5px; }
.doc table.compare { font-size: 14px; min-width: 640px; }
.doc table.compare th, .doc table.compare td { padding: 10px 12px; }
.doc .scroll { margin: 8px 0 24px; }
.note { color: var(--muted); font-size: 14px; margin-top: 18px; }

/* ---- faq ---- */
.faq { max-width: 780px; margin: 0 auto; }
.faq details { border-top: 1px solid var(--line); padding: 20px 0; }
.faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; font-weight: 600; font-size: 19px; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--muted); font-size: 24px; line-height: 1; }
.faq details[open] summary::after { content: "–"; }
.faq p { color: var(--muted); margin: 12px 0 0; }

/* ---- cta + footer ---- */
.final { text-align: center; }
.final h2 { margin-left: auto; margin-right: auto; }
.final .actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-top: 28px; }
footer { background: var(--bg-alt); border-top: 1px solid var(--line); padding: 56px 0 40px; font-size: 14px; color: var(--muted); }
footer .cols { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 32px; }
footer h4 { margin: 0 0 12px; color: var(--ink); font-size: 14px; }
footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
footer a { color: var(--muted); }
footer .base { margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

/* ---- long text pages ---- */
.doc { padding: 72px 0 96px; }
.doc h1 { font-size: clamp(36px, 5.5vw, 56px); max-width: 20ch; margin: 0 0 16px; text-align: left; }
.doc h2 { font-size: 28px; margin: 48px 0 12px; max-width: none; }
.doc p, .doc li { color: var(--muted); max-width: 70ch; }
.doc li { margin-bottom: 8px; }
.doc strong { color: var(--ink); }
.doc code { font-family: var(--mono); font-size: .9em; background: var(--bg-alt); padding: 2px 6px; border-radius: 6px; }

@media (max-width: 960px) {
  .plans { grid-template-columns: repeat(2, 1fr); }
  .grid, .steps { grid-template-columns: 1fr 1fr; }
  .split { grid-template-columns: 1fr; gap: 32px; }
  .split > * { min-width: 0; }
  footer .cols { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 680px) {
  nav.main .wrap { gap: 12px; }
  nav.main .cta { gap: 4px; }
  .pipeline { overflow-x: auto; -webkit-overflow-scrolling: touch; padding-bottom: 8px; }
  .pipeline svg { min-width: 640px; }
  body { font-size: 16px; }
  .parent .right, nav.main ul { display: none; }
  .plans, .grid, .steps { grid-template-columns: 1fr; }
  section { padding: 64px 0; }
  .hero { padding: 64px 0 48px; }
  footer .cols { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }