/* Spyndel marketing site. Colours from the logo: deep navy, cyan nodes, violet threads. */
:root {
  --bg: #030a1c; --bg-2: #071330; --panel: #0b1a3d; --panel-2: #10224d; --line: #1d3266;
  --text: #e9eefb; --muted: #a3b1d6; --dim: #7c8bb3;
  --cyan: #38bdf8; --blue: #3b82f6; --violet: #a78bfa; --accent: #60a5fa;
  --grad: linear-gradient(90deg, #38bdf8, #818cf8 55%, #a78bfa);
  --radius: 14px; --wrap: 1140px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.6 "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased; }
a { color: var(--accent); text-decoration: none; } a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; display: block; }
h1, h2, h3, h4 { line-height: 1.2; margin: 0 0 .5em; letter-spacing: -.01em; }
h1 { font-size: clamp(34px, 5.4vw, 60px); font-weight: 750; }
h2 { font-size: clamp(26px, 3.4vw, 38px); font-weight: 720; }
h3 { font-size: 19px; font-weight: 680; }
p { margin: 0 0 1em; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }
.skip { position: absolute; left: -999px; } .skip:focus { left: 12px; top: 12px; z-index: 10; background: #fff; color: #000; padding: 6px 10px; }
.grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.eyebrow { text-transform: uppercase; letter-spacing: .14em; font-size: 12.5px; font-weight: 700; color: var(--cyan); margin-bottom: 10px; }
.lede { font-size: clamp(17px, 2vw, 20px); color: var(--muted); max-width: 720px; }
.muted { color: var(--muted); } .dim { color: var(--dim); }

/* nav */
.nav { position: sticky; top: 0; z-index: 20; background: rgba(3, 10, 28, .82); backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(29, 50, 102, .6); }
.nav-in { display: flex; align-items: center; gap: 18px; height: 64px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--text); font-weight: 700; letter-spacing: .28em; font-size: 15px; }
.brand:hover { text-decoration: none; } .brand img { border-radius: 7px; }
.nav nav { margin-left: auto; display: flex; align-items: center; gap: 22px; }
.nav nav a { color: var(--muted); font-size: 15px; } .nav nav a:hover, .nav nav a[aria-current] { color: var(--text); text-decoration: none; }
.nav nav a.btn { color: #04112a; }
.menu { display: none; margin-left: auto; background: none; border: 1px solid var(--line); color: var(--text); border-radius: 8px; padding: 6px 10px; font-size: 18px; }
@media (max-width: 860px) {
  .menu { display: block; }
  .nav nav { display: none; position: absolute; top: 64px; left: 0; right: 0; flex-direction: column; align-items: stretch;
    gap: 0; background: var(--bg-2); border-bottom: 1px solid var(--line); padding: 8px 20px 16px; }
  .nav nav.open { display: flex; } .nav nav a { padding: 10px 0; } .nav nav a.btn { margin-top: 8px; text-align: center; }
}

/* buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 13px 22px; border-radius: 10px;
  background: var(--grad); color: #04112a; font-weight: 700; border: 0; cursor: pointer; font-size: 16px; }
.btn:hover { text-decoration: none; filter: brightness(1.08); }
.btn-sm { padding: 8px 14px; font-size: 14px; }
.btn-ghost { background: transparent; color: var(--text); border: 1px solid var(--line); }
.btn-ghost:hover { border-color: var(--accent); }
.btn:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, button:focus-visible {
  outline: 2px solid var(--cyan); outline-offset: 2px; }
.ctas { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }

/* sections */
section { padding: 84px 0; }
section.tight { padding: 56px 0; }
.alt { background: linear-gradient(180deg, var(--bg-2), var(--bg)); border-top: 1px solid rgba(29, 50, 102, .5); }
.center { text-align: center; } .center .lede { margin-left: auto; margin-right: auto; }

/* hero */
.hero { position: relative; overflow: hidden; padding: 96px 0 80px; }
.hero canvas { position: absolute; inset: 0; width: 100%; height: 100%; opacity: .55; pointer-events: none; }
.hero .wrap { position: relative; display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: center; }
.hero-art { border-radius: 18px; overflow: hidden; box-shadow: 0 30px 80px -30px rgba(56, 189, 248, .35); border: 1px solid var(--line); }
.hero h1 { margin-bottom: 18px; }
@media (max-width: 900px) { .hero .wrap { grid-template-columns: 1fr; } .hero { padding: 60px 0; } }
.badges { display: flex; flex-wrap: wrap; gap: 8px 18px; margin-top: 22px; color: var(--muted); font-size: 14px; }
.badges span::before { content: "✓"; color: var(--cyan); margin-right: 6px; font-weight: 700; }

/* cards and grids */
.grid { display: grid; gap: 18px; }
.g2 { grid-template-columns: repeat(2, 1fr); } .g3 { grid-template-columns: repeat(3, 1fr); } .g4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 980px) { .g3, .g4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .g2, .g3, .g4 { grid-template-columns: 1fr; } }
.card { background: linear-gradient(180deg, var(--panel), rgba(11, 26, 61, .55)); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.card p { color: var(--muted); margin: 0; }
.card .icon { width: 42px; height: 42px; border-radius: 10px; display: grid; place-items: center; margin-bottom: 14px;
  background: rgba(56, 189, 248, .12); color: var(--cyan); font-size: 20px; }
.stat { font-size: 40px; font-weight: 800; line-height: 1; margin-bottom: 8px; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
@media (max-width: 900px) { .split { grid-template-columns: 1fr; gap: 28px; } }
.list { list-style: none; padding: 0; margin: 0; }
.list li { padding: 8px 0 8px 28px; position: relative; color: var(--muted); }
.list li::before { content: ""; position: absolute; left: 4px; top: 16px; width: 10px; height: 10px; border-radius: 50%;
  background: var(--grad); box-shadow: 0 0 10px rgba(56, 189, 248, .6); }
.list li b { color: var(--text); font-weight: 650; }

/* steps */
.steps { counter-reset: s; display: grid; gap: 16px; }
.step { display: grid; grid-template-columns: 56px 1fr; gap: 16px; align-items: start; }
.step::before { counter-increment: s; content: counter(s); width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center;
  font-weight: 800; color: #04112a; background: var(--grad); }
.step h3 { margin-top: 8px; } .step p { color: var(--muted); margin: 0; }

/* compare / editions */
.editions { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 760px) { .editions { grid-template-columns: 1fr; } }
.edition { padding: 30px; }
.edition.featured { border-color: rgba(167, 139, 250, .7); box-shadow: 0 20px 60px -30px rgba(167, 139, 250, .5); }
.price { font-size: 34px; font-weight: 800; margin: 6px 0 2px; }
.edition .list { margin: 18px 0 24px; }
.cta-band { text-align: center; padding: 70px 20px; background: radial-gradient(ellipse at center, rgba(59, 130, 246, .18), transparent 70%); }

/* forms */
.form { display: grid; gap: 14px; }
.form .row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 640px) { .form .row2 { grid-template-columns: 1fr; } }
.form label { display: grid; gap: 6px; font-size: 14px; color: var(--muted); }
.form input, .form select, .form textarea { width: 100%; padding: 12px 14px; border-radius: 10px; border: 1px solid var(--line);
  background: var(--bg-2); color: var(--text); font: inherit; }
.form textarea { min-height: 110px; resize: vertical; }
.form .check { display: flex; gap: 10px; align-items: flex-start; font-size: 13.5px; }
.form .check input { width: auto; margin-top: 4px; }
.hp { position: absolute; left: -5000px; width: 1px; height: 1px; overflow: hidden; }
.msg { padding: 14px 16px; border-radius: 10px; border: 1px solid var(--line); background: var(--panel); }
.msg.ok { border-color: rgba(52, 211, 153, .6); } .msg.err { border-color: rgba(248, 113, 113, .7); }

/* docs */
.docs { display: grid; grid-template-columns: 230px 1fr; gap: 44px; padding: 48px 20px 90px; }
.docs aside { position: sticky; top: 84px; align-self: start; max-height: calc(100vh - 100px); overflow: auto; }
.docs aside a { display: block; color: var(--muted); padding: 6px 0; font-size: 14.5px; }
.docs aside a:hover { color: var(--text); }
.docs aside h4 { font-size: 12px; text-transform: uppercase; letter-spacing: .12em; color: var(--dim); margin: 18px 0 4px; }
.docs article { min-width: 0; max-width: 780px; }
.docs article h2 { margin-top: 2.2em; padding-top: 12px; scroll-margin-top: 80px; }
.docs article h2:first-of-type { margin-top: 0; }
.docs article h3 { margin-top: 1.6em; scroll-margin-top: 80px; }
.docs article p, .docs article li { color: #cdd6f0; }
.docs code, .docs pre { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 14px; }
.docs code { background: var(--panel); padding: 1px 6px; border-radius: 5px; border: 1px solid var(--line); }
.docs pre { background: #020717; border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; overflow-x: auto; }
.docs pre code { background: none; border: 0; padding: 0; }
.docs table { width: 100%; border-collapse: collapse; margin: 1em 0; font-size: 15px; }
.docs th, .docs td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
.docs th { color: var(--dim); font-weight: 600; font-size: 13px; text-transform: uppercase; letter-spacing: .06em; }
.tablewrap { overflow-x: auto; }
.note { border-left: 3px solid var(--cyan); background: rgba(56, 189, 248, .07); padding: 12px 16px; border-radius: 0 10px 10px 0; margin: 1em 0; }
@media (max-width: 860px) { .docs { grid-template-columns: 1fr; } .docs aside { position: static; max-height: none; } }

/* prose pages */
.prose { max-width: 760px; padding: 56px 20px 90px; } .prose p, .prose li { color: #cdd6f0; }

/* footer */
.foot { border-top: 1px solid var(--line); padding: 50px 0 30px; background: #020716; }
.foot-in { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 28px; }
.foot h4 { font-size: 13px; text-transform: uppercase; letter-spacing: .1em; color: var(--dim); }
.foot a { display: block; color: var(--muted); padding: 4px 0; font-size: 14.5px; }
.foot-brand p { color: var(--dim); margin-top: 12px; }
.legal { color: var(--dim); font-size: 13px; margin-top: 30px; }
@media (max-width: 760px) { .foot-in { grid-template-columns: 1fr 1fr; } .foot-brand { grid-column: 1 / -1; } }