/* Auto-Company corporate site — "diagnostic report" design system.
   Dark terminal-ink paper, editorial serif headlines, monospace annotations.
   Fonts (Fraunces / IBM Plex Sans / IBM Plex Mono) are loaded via Google
   Fonts <link> in each page's <head> — see _headers CSP for the allowed
   font-src/style-src hosts. */

:root {
  --bg: #0d1210;
  --bg-panel: #131813;
  --bg-panel-2: #171d17;
  --paper: #ece7d8;
  --paper-dim: #a49e8c;
  --paper-faint: #6b6858;
  --accent: #e2a13d;
  --accent-soft: #7a5a26;
  --ok: #57b57a;
  --warn: #dd6a4a;
  --rule: rgba(236, 231, 216, 0.12);
  --rule-strong: rgba(236, 231, 216, 0.22);

  --display: "Fraunces", "Iowan Old Style", ui-serif, Georgia, serif;
  --body: "IBM Plex Sans", -apple-system, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SF Mono", monospace;

  --content-w: 46rem;
  --wide-w: 68rem;
  --gutter: clamp(1.25rem, 5vw, 4rem);
}

* { box-sizing: border-box; }
html { color-scheme: dark; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--paper);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  position: relative;
}

/* subtle grain + faint graph-paper grid for depth, never a flat solid fill */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.5;
  background-image:
    linear-gradient(var(--rule) 1px, transparent 1px),
    linear-gradient(90deg, var(--rule) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black, transparent 75%);
  opacity: 0.18;
}
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

main, header, footer { position: relative; z-index: 1; }

h1, h2, h3 {
  font-family: var(--display);
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--paper);
  text-wrap: balance;
  margin: 0 0 0.5em;
}

a { color: var(--accent); text-decoration: none; }

p { margin: 0 0 1.1em; color: var(--paper); max-width: 62ch; }
p.dim, .dim { color: var(--paper-dim); }

.mono {
  font-family: var(--mono);
  letter-spacing: 0.02em;
}

.label {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--paper-faint);
}

/* ---------- nav ---------- */
.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem var(--gutter);
  border-bottom: 1px solid var(--rule);
}
.site-nav .brand {
  font-family: var(--mono);
  font-size: 0.95rem;
  color: var(--paper);
  display: flex;
  align-items: center;
  gap: 0.5em;
}
.site-nav .brand::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 8px var(--ok);
  flex: none;
}
.site-nav ul {
  list-style: none;
  display: flex;
  gap: clamp(1rem, 3vw, 2rem);
  margin: 0;
  padding: 0;
  font-family: var(--mono);
  font-size: 0.82rem;
}
.site-nav a {
  color: var(--paper-dim);
  position: relative;
  padding-bottom: 3px;
}
.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 0;
  height: 1px;
  background: var(--accent);
  transition: right 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}
.site-nav a:hover { color: var(--paper); }
.site-nav a:hover::after { right: 0; }
.site-nav a.current { color: var(--accent); }

/* ---------- hero ---------- */
.hero {
  padding: clamp(3rem, 9vw, 7rem) var(--gutter) clamp(2.5rem, 6vw, 4.5rem);
  max-width: var(--wide-w);
  margin: 0 auto;
}
.hero .eyebrow {
  opacity: 0;
  animation: reveal 0.7s cubic-bezier(0.16, 1, 0.3, 1) 0.05s forwards;
}
.hero h1 {
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  line-height: 1.04;
  max-width: 18ch;
  margin-top: 0.6em;
  opacity: 0;
  animation: reveal 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.15s forwards;
}
.hero .lede {
  margin-top: 1.4em;
  font-size: 1.15rem;
  color: var(--paper-dim);
  max-width: 46ch;
  opacity: 0;
  animation: reveal 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.3s forwards;
}
.hero .actions {
  margin-top: 2.2em;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  opacity: 0;
  animation: reveal 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.42s forwards;
}

@keyframes reveal {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}
@media (prefers-reduced-motion: reduce) {
  .hero .eyebrow, .hero h1, .hero .lede, .hero .actions { animation: none; opacity: 1; }
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-family: var(--mono);
  font-size: 0.85rem;
  padding: 0.85em 1.4em;
  border: 1px solid var(--rule-strong);
  border-radius: 3px;
  transition: border-color 0.2s, transform 0.2s, background 0.2s;
}
.btn-primary {
  background: var(--accent);
  color: #14100a;
  border-color: var(--accent);
  font-weight: 600;
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 6px 20px -6px rgba(226, 161, 61, 0.55); }
.btn-ghost { color: var(--paper); }
.btn-ghost:hover { border-color: var(--paper-dim); }

/* ---------- terminal card (decorative code block) ---------- */
.terminal {
  margin-top: clamp(2.5rem, 6vw, 4rem);
  max-width: 34rem;
  background: var(--bg-panel);
  border: 1px solid var(--rule);
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 0 30px 60px -30px rgba(0, 0, 0, 0.6);
}
.terminal .bar {
  display: flex;
  gap: 6px;
  padding: 0.7em 0.9em;
  border-bottom: 1px solid var(--rule);
  background: var(--bg-panel-2);
}
.terminal .bar span { width: 9px; height: 9px; border-radius: 50%; background: var(--rule-strong); }
.terminal pre {
  margin: 0;
  padding: 1.2em 1.3em 1.4em;
  font-family: var(--mono);
  font-size: 0.82rem;
  line-height: 1.7;
  overflow-x: auto;
}
.diff-del { color: var(--warn); }
.diff-add { color: var(--ok); }
.diff-ctx { color: var(--paper-faint); }
.cursor {
  display: inline-block;
  width: 7px;
  height: 1em;
  background: var(--accent);
  vertical-align: -2px;
  animation: blink 1s step-end infinite;
}
@keyframes blink { 50% { opacity: 0; } }

/* ---------- sections / grid ---------- */
section {
  max-width: var(--wide-w);
  margin: 0 auto;
  padding: clamp(2.5rem, 6vw, 5rem) var(--gutter);
  border-top: 1px solid var(--rule);
}
.section-head { display: grid; grid-template-columns: minmax(0, 1fr); gap: 0.6rem; margin-bottom: 2.2rem; }
.section-head .label { color: var(--accent); }

.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr)); gap: 1px; background: var(--rule); border: 1px solid var(--rule); }
.grid-3 > div { background: var(--bg); padding: 1.8rem; }
.grid-3 .num { font-family: var(--mono); color: var(--paper-faint); font-size: 0.78rem; }
.grid-3 h3 { font-size: 1.15rem; margin-top: 0.5em; }

/* ---------- product card ---------- */
.offer {
  border: 1px solid var(--rule-strong);
  border-radius: 8px;
  padding: clamp(1.6rem, 4vw, 2.6rem);
  background: linear-gradient(160deg, var(--bg-panel), var(--bg));
  position: relative;
}
.offer .status {
  position: absolute;
  top: clamp(1.6rem, 4vw, 2.6rem);
  right: clamp(1.6rem, 4vw, 2.6rem);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ok);
  display: flex;
  align-items: center;
  gap: 0.5em;
}
.offer .status::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 6px var(--ok); }
.offer .price {
  font-family: var(--display);
  font-size: 2.6rem;
  margin: 0.6em 0 0.2em;
}
.offer .price small { font-family: var(--mono); font-size: 0.9rem; color: var(--paper-dim); font-weight: 400; }
.offer ul { padding-left: 1.1em; color: var(--paper-dim); }
.offer li { margin-bottom: 0.5em; }
.offer .meta { margin-top: 1.6em; display: flex; gap: 1.5rem; flex-wrap: wrap; }
.offer .meta div { font-family: var(--mono); font-size: 0.78rem; color: var(--paper-faint); }
.offer .meta strong { display: block; color: var(--paper); font-size: 0.95rem; margin-top: 0.2em; }

/* ---------- doc pages (terms/privacy/refund) ---------- */
.doc {
  max-width: var(--content-w);
  margin: 0 auto;
  padding: clamp(2.5rem, 6vw, 4rem) var(--gutter) clamp(4rem, 8vw, 6rem);
}
.doc .label { color: var(--accent); margin-bottom: 0.8em; }
.doc h1 { font-size: clamp(2rem, 4vw, 2.8rem); }
.doc .updated { font-family: var(--mono); font-size: 0.8rem; color: var(--paper-faint); margin-top: 0.6em; }
.doc h2 {
  font-size: 1.3rem;
  margin-top: 2.4em;
  padding-top: 1.4em;
  border-top: 1px solid var(--rule);
  display: flex;
  gap: 0.7em;
  align-items: baseline;
}
.doc h2 .n { font-family: var(--mono); color: var(--paper-faint); font-size: 0.8em; }
.doc p, .doc li { color: var(--paper-dim); }
.doc strong { color: var(--paper); }
.doc ul { padding-left: 1.2em; }

/* ---------- footer ---------- */
footer {
  border-top: 1px solid var(--rule);
  padding: 2.5rem var(--gutter) 3rem;
  max-width: var(--wide-w);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--paper-faint);
}
footer nav { display: flex; gap: 1.4rem; flex-wrap: wrap; }
footer a { color: var(--paper-faint); }
footer a:hover { color: var(--accent); }

@media (max-width: 40rem) {
  .site-nav ul { gap: 1rem; font-size: 0.76rem; }
}
