/* AuxPipe website. The palette is the app's own (src/theme.rs), so the page
   and the window a buyer opens afterwards look like one product. */

:root {
  --bg: #0b0c10;
  --card: #14161c;
  --card-hover: #1a1d25;
  --inset: #0e1015;
  --line: #23262f;
  --line-strong: #313642;
  --text: #e8eaf0;
  --text-dim: #99a0af;
  --text-faint: #626978;
  --accent: #5b8cff;
  --media: #3fc9f0;
  --voice: #b57bff;
  --ok: #3ddc97;
  --radius: 14px;
  --font: "Segoe UI Variable", "Segoe UI", system-ui, -apple-system, Roboto, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 72px; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 var(--font);
  -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 { line-height: 1.15; margin: 0; letter-spacing: -0.01em; }
h1 { font-size: clamp(2.1rem, 4.6vw, 3.4rem); font-weight: 700; }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 650; }
h3 { font-size: 1.05rem; font-weight: 600; }

.wrap { width: min(1120px, 100% - 40px); margin-inline: auto; }
.wrap.narrow { width: min(760px, 100% - 40px); }

section { padding: 88px 0; }
.band { background: linear-gradient(180deg, rgba(20, 22, 28, 0.6), rgba(20, 22, 28, 0)); border-top: 1px solid var(--line); }
.section-lead { color: var(--text-dim); max-width: 640px; margin: 14px 0 0; font-size: 1.05rem; }

/* ---------------------------------------------------------------- nav -- */
.nav {
  position: sticky; top: 0; z-index: 10;
  background: rgba(11, 12, 16, 0.78);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav-row { display: flex; align-items: center; gap: 28px; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); font-weight: 650; font-size: 1.05rem; }
.brand:hover { text-decoration: none; }
.brand img { border-radius: 7px; }
.nav-links { display: flex; gap: 22px; flex: 1; }
.nav-links a { color: var(--text-dim); font-size: 0.94rem; }
.nav-links a:hover { color: var(--text); text-decoration: none; }
.nav-actions { display: flex; align-items: center; gap: 10px; }

.lang {
  font: inherit; font-size: 0.88rem; cursor: pointer;
  color: var(--text-dim); background: transparent;
  border: 1px solid var(--line); border-radius: 8px; padding: 6px 12px;
}
.lang:hover { color: var(--text); border-color: var(--line-strong); }

/* ------------------------------------------------------------ buttons -- */
.button {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 13px 26px; border-radius: 999px;
  background: var(--accent); color: #fff; font-weight: 600;
  border: 1px solid transparent;
  transition: filter 0.15s ease, transform 0.15s ease;
}
.button:hover { text-decoration: none; filter: brightness(1.1); transform: translateY(-1px); }
.button.small { padding: 7px 16px; font-size: 0.9rem; }
.button.ghost { background: transparent; color: var(--text); border-color: var(--line-strong); }
.button.ghost:hover { background: var(--card-hover); filter: none; }

/* --------------------------------------------------------------- hero -- */
.hero { padding: 72px 0 64px; position: relative; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: -40% -10% auto auto; width: 720px; height: 720px;
  background: radial-gradient(circle, rgba(91, 140, 255, 0.18), transparent 62%);
  pointer-events: none;
}
.hero-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 56px; align-items: center; position: relative; }
.eyebrow { color: var(--media); font-weight: 600; font-size: 0.85rem; letter-spacing: 0.08em; text-transform: uppercase; margin: 0 0 16px; }
.lead { color: var(--text-dim); font-size: 1.15rem; margin: 22px 0 0; max-width: 560px; }
.cta { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 32px; }
.fine { color: var(--text-faint); font-size: 0.88rem; margin: 18px 0 0; }
.hero-shot { justify-self: center; }
.hero-shot img {
  width: 360px; border-radius: 14px;
  border: 1px solid var(--line-strong);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(255, 255, 255, 0.02);
}

/* --------------------------------------------------------------- flow -- */
.flow { display: flex; align-items: center; gap: 14px; margin-top: 44px; flex-wrap: nowrap; }
.flow-sources { display: flex; flex-direction: column; gap: 12px; }
.node {
  background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  padding: 14px 16px; min-width: 150px; display: flex; flex-direction: column; gap: 2px;
}
.node strong { font-size: 0.98rem; }
.node span { color: var(--text-dim); font-size: 0.84rem; }
.node.media { border-left: 3px solid var(--media); }
.node.voice { border-left: 3px solid var(--voice); }
.node.accent { border-color: rgba(91, 140, 255, 0.55); background: linear-gradient(180deg, rgba(91, 140, 255, 0.12), var(--card)); }
.arrow { flex: 1; min-width: 18px; height: 2px; background: linear-gradient(90deg, var(--line-strong), var(--accent)); position: relative; }
.arrow::after {
  content: ""; position: absolute; right: -1px; top: -4px;
  border: 5px solid transparent; border-left-color: var(--accent); border-right: 0;
}

/* ----------------------------------------------------------- features -- */
.features { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 40px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); }
.feature { padding: 22px; transition: border-color 0.15s ease, background 0.15s ease; }
.feature:hover { border-color: var(--line-strong); background: var(--card-hover); }
.feature p { color: var(--text-dim); font-size: 0.93rem; margin: 8px 0 0; }
.icon {
  width: 38px; height: 38px; padding: 8px; margin-bottom: 14px;
  color: var(--accent); background: rgba(91, 140, 255, 0.1); border-radius: 10px;
}

/* -------------------------------------------------------------- setup -- */
.setup-grid { display: grid; grid-template-columns: 1.3fr 0.9fr; gap: 48px; align-items: start; }
.steps { list-style: none; counter-reset: step; padding: 0; margin: 32px 0 0; display: grid; gap: 22px; }
.steps li { counter-increment: step; display: grid; grid-template-columns: 40px 1fr; column-gap: 16px; }
.steps li::before {
  content: counter(step); grid-row: span 2;
  width: 36px; height: 36px; border-radius: 10px; display: grid; place-items: center;
  background: var(--inset); border: 1px solid var(--line); color: var(--accent); font-weight: 700;
}
.steps p { color: var(--text-dim); margin: 4px 0 0; }
.requirements { padding: 24px 26px; margin-top: 8px; }
.requirements dl { margin: 16px 0 0; display: grid; grid-template-columns: auto 1fr; gap: 10px 18px; }
.requirements dt { color: var(--text-faint); font-size: 0.9rem; }
.requirements dd { margin: 0; font-size: 0.94rem; }

/* ---------------------------------------------------------------- faq -- */
details { border-bottom: 1px solid var(--line); padding: 18px 0; }
details:first-of-type { margin-top: 28px; border-top: 1px solid var(--line); }
summary { cursor: pointer; font-weight: 600; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; color: var(--text-faint); font-weight: 400; font-size: 1.3rem; line-height: 1; }
details[open] summary::after { content: "\2212"; }
details p { color: var(--text-dim); margin: 12px 0 0; }

/* ------------------------------------------------------------- footer -- */
footer { border-top: 1px solid var(--line); padding: 28px 0; color: var(--text-faint); font-size: 0.88rem; }
.footer-row { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.footer-brand { display: flex; align-items: center; gap: 10px; }
.footer-brand img { border-radius: 5px; }
.footer-notes { margin: 0; }
.footer-notes a, footer a { color: var(--text-dim); }

.noscript { padding: 64px 0; }

/* ---------------------------------------------------------- small widths -- */
@media (max-width: 980px) {
  .features { grid-template-columns: repeat(2, 1fr); }
  .hero-grid, .setup-grid { grid-template-columns: 1fr; }
  .hero-shot img { width: 300px; }
  .flow { flex-direction: column; align-items: stretch; }
  .flow-sources { flex-direction: row; }
  .flow-sources .node { flex: 1; }
  .arrow { width: 2px; height: 22px; min-width: 0; flex: none; align-self: center;
           background: linear-gradient(180deg, var(--line-strong), var(--accent)); }
  .arrow::after { right: -4px; top: auto; bottom: -1px; border: 5px solid transparent;
                  border-top-color: var(--accent); border-bottom: 0; }
}

@media (max-width: 640px) {
  .nav-links { display: none; }
  .nav-row { justify-content: space-between; }
  .features { grid-template-columns: 1fr; }
  .flow-sources { flex-direction: column; }
  section { padding: 64px 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .button, .feature { transition: none; }
}