/* ============================================================
   ADVTECH Detailing — Google Ads landing page
   Dark Matter direction on ADVTECH brand tokens.
   Retheme: edit the :root colour tokens below.
   ============================================================ */

:root {
  /* ── Colour ──
     Contrast (verified): --color-on-brand on --color-brand 4.9:1 AA (white fails at 3.5:1);
     --color-brand-hi on bg 6.6:1 AA; --color-text on bg ~16:1 AAA; --color-muted on bg ~8:1. */
  --color-bg:        #0f0f11;
  --color-surface:   #17171b;
  --color-surface-2: #222226;
  --color-brand:     #e85a1d;
  --color-brand-hi:  #f0743a;
  --color-brand-soft: rgba(232, 90, 29, 0.14);
  --color-on-brand:  #141414;
  --color-text:      #f0eeea;
  --color-muted:     #a8a49d;
  --color-error:     #ff9d8f; /* ~8.6:1 on --color-surface */
  --color-border:    rgba(255, 255, 255, 0.10);

  /* ── Fluid type scale ── */
  --text-sm:   clamp(0.875rem, 0.80rem + 0.35vw, 1rem);
  --text-base: clamp(1rem,     0.95rem + 0.30vw, 1.125rem);
  --text-lg:   clamp(1.125rem, 1.00rem + 0.60vw, 1.375rem);
  --text-xl:   clamp(1.375rem, 1.10rem + 1.40vw, 2rem);
  --text-2xl:  clamp(1.75rem,  1.20rem + 2.80vw, 3rem);
  --text-3xl:  clamp(2.25rem,  1.50rem + 3.40vw, 4.25rem);

  --leading-tight: 1.1;
  --leading-snug:  1.3;
  --leading-body:  1.6;

  --weight-medium:   500;
  --weight-semibold: 600;
  --weight-bold:     700;
  --weight-black:    850;

  /* ── Fluid spacing ── */
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-s:  clamp(0.75rem, 0.5rem + 1vw,  1rem);
  --space-m:  clamp(1.25rem, 0.9rem + 1.6vw, 1.75rem);
  --space-l:  clamp(2rem,    1.5rem + 2.4vw, 3rem);
  --space-xl: clamp(3rem,    2.2rem + 4vw,   5rem);
  --space-2xl:clamp(4rem,    2.8rem + 6vw,   7rem);

  /* ── Radius / shadow / layout ── */
  --radius-sm: 0.375rem;
  --radius-md: 0.75rem;
  --radius-lg: 1.25rem;
  --radius-full: 9999px;

  --shadow-md: 0 4px 16px rgb(0 0 0 / 0.35);
  --shadow-lg: 0 8px 32px rgb(0 0 0 / 0.45);
  --glow-brand: 0 0 28px rgba(232, 90, 29, 0.35);

  --content-max: 72rem;
  --nav-height: 4.25rem;

  /* ── Motion gate (single source of truth for CSS + JS) ── */
  --motion-ok: 1;
}

@media (prefers-reduced-motion: reduce) {
  :root { --motion-ok: 0; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ── Reset ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  -webkit-font-smoothing: antialiased;
}

img, svg, video { display: block; max-width: 100%; }
a { color: var(--color-brand-hi); }
a:hover { text-decoration-thickness: 2px; }

h1 { font-size: var(--text-3xl); line-height: var(--leading-tight); font-weight: var(--weight-black); letter-spacing: -0.02em; }
h2 { font-size: var(--text-2xl); line-height: var(--leading-snug); font-weight: var(--weight-bold); letter-spacing: -0.015em; }
h3 { font-size: var(--text-xl); line-height: var(--leading-snug); font-weight: var(--weight-semibold); }

[id] { scroll-margin-top: calc(var(--nav-height) + var(--space-4)); }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0;
}

/* ── Layout utilities ──────────────────────────────────────── */
.container { width: min(100% - 2 * var(--space-m), var(--content-max)); margin-inline: auto; }
.container--narrow { max-width: 52rem; }
.section { padding-block: var(--space-2xl); }
.section--alt { background: var(--color-surface); border-block: 1px solid var(--color-border); }

.card-grid {
  display: grid;
  gap: var(--space-l);
  margin-top: var(--space-l);
  grid-template-columns: repeat(auto-fill, minmax(min(18rem, 100%), 1fr));
}

.eyebrow {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-brand-hi);
  margin-bottom: var(--space-3);
}

.section__footnote {
  margin-top: var(--space-l);
  color: var(--color-muted);
  font-size: var(--text-sm);
  max-width: 60ch;
}

/* ── Skip link ─────────────────────────────────────────────── */
.skip-link {
  position: fixed; top: var(--space-2); left: var(--space-2); z-index: 10000;
  padding: var(--space-2) var(--space-4);
  background: var(--color-brand); color: var(--color-on-brand);
  border-radius: var(--radius-md); text-decoration: none; font-weight: var(--weight-semibold);
  clip-path: inset(50%);
  white-space: nowrap;
}
.skip-link:focus { clip-path: none; }

/* ── Focus ─────────────────────────────────────────────────── */
:focus-visible { outline: 3px solid var(--color-brand-hi); outline-offset: 3px; border-radius: 3px; }
:focus:not(:focus-visible) { outline: none; }

/* ── Grain overlay (Dark Matter signature) ─────────────────── */
.grain {
  position: fixed; inset: 0; pointer-events: none; z-index: 9000; opacity: 0.045;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ── Buttons ───────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
  padding: var(--space-3) var(--space-m);
  min-height: 2.75rem; min-width: 2.75rem;
  font-size: var(--text-base); font-weight: var(--weight-bold);
  text-decoration: none; border-radius: var(--radius-full);
  border: 2px solid transparent; cursor: pointer;
  transition: background-color .2s ease, transform .15s ease, box-shadow .2s ease,
              border-color .2s ease, color .2s ease;
}
.btn--primary {
  background: var(--color-brand);
  color: var(--color-on-brand);
  box-shadow: var(--shadow-md), var(--glow-brand);
}
.btn--primary:hover { background: var(--color-brand-hi); transform: translateY(-1px); }
.btn--primary:active { transform: translateY(0); }
.btn--ghost { background: transparent; color: var(--color-text); border-color: var(--color-border); }
.btn--ghost:hover { border-color: var(--color-brand-hi); color: var(--color-brand-hi); }
.btn--lg { padding: var(--space-4) var(--space-l); font-size: var(--text-lg); }
.btn--block { width: 100%; }

/* ── Nav ───────────────────────────────────────────────────── */
.nav {
  position: sticky; top: 0; z-index: 100;
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color .25s ease, background-color .25s ease;
}
.nav--scrolled {
  border-bottom-color: var(--color-border);
  background: color-mix(in srgb, var(--color-bg) 85%, transparent);
}
.nav__inner {
  display: flex; align-items: center; gap: var(--space-m);
  min-height: var(--nav-height);
}
.nav__brand {
  display: inline-flex; align-items: center;
  text-decoration: none;
}
.nav__logo { height: 3rem; width: auto; }
.nav__links { margin-left: auto; }
.nav__menu {
  display: flex; gap: var(--space-m); list-style: none; align-items: center;
}
.nav__menu a {
  color: var(--color-text); text-decoration: none; font-weight: var(--weight-medium);
  padding: var(--space-2) var(--space-2); display: inline-block;
}
.nav__menu a:hover { color: var(--color-brand-hi); }
.nav__toggle {
  display: none;
  background: none; border: 1px solid var(--color-border); border-radius: var(--radius-sm);
  color: var(--color-text); cursor: pointer;
  min-width: 2.75rem; min-height: 2.75rem;
  align-items: center; justify-content: center;
}

@media (max-width: 53.99rem) {
  .nav__toggle { display: inline-flex; }
  .nav__menu {
    display: none;
    position: absolute; top: var(--nav-height); right: var(--space-m);
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--color-surface-2);
    border: 1px solid var(--color-border); border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    min-width: 12rem; padding: var(--space-2);
  }
  .nav__menu.is-open { display: flex; }
  .nav__menu a { padding: var(--space-3) var(--space-4); border-radius: var(--radius-sm); }
  .nav__cta { display: none; }
}

/* ── Hero ──────────────────────────────────────────────────── */
.hero { position: relative; overflow: hidden; padding-block: var(--space-2xl); }
.hero__art {
  position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(ellipse 80% 60% at 65% -10%, var(--color-brand-soft) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at -10% 80%, rgba(240, 116, 58, 0.10) 0%, transparent 55%);
}
.hero__orb {
  position: absolute; top: -12%; right: -6%;
  width: clamp(18rem, 40vw, 34rem); aspect-ratio: 1; border-radius: 50%;
  background: conic-gradient(from 180deg, #e85a1d, #f0743a, #7a2e0e, #e85a1d);
  filter: blur(clamp(3rem, 8vw, 6rem)); opacity: 0.30; pointer-events: none;
}
@media (prefers-reduced-motion: no-preference) {
  .hero__orb { animation: orb-drift 12s ease-in-out infinite alternate; }
  @keyframes orb-drift {
    from { transform: translate(0, 0) scale(1); }
    to   { transform: translate(-3%, 5%) scale(1.08); }
  }
}
.hero__inner {
  position: relative;
  display: grid; gap: var(--space-xl); align-items: center;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
}
.hero__lead {
  margin-top: var(--space-m);
  font-size: var(--text-lg);
  color: var(--color-muted);
  max-width: 56ch;
}
.hero__actions {
  display: flex; flex-wrap: wrap; gap: var(--space-4);
  margin-top: var(--space-l);
}
.trust-chips {
  display: flex; flex-wrap: wrap; gap: var(--space-3);
  list-style: none; margin-top: var(--space-l);
}
.trust-chips li {
  display: inline-flex; align-items: center; gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--color-border); border-radius: var(--radius-full);
  background: color-mix(in srgb, var(--color-surface) 70%, transparent);
  font-size: var(--text-sm); font-weight: var(--weight-medium);
}
.trust-chips svg { color: var(--color-brand-hi); }

@media (max-width: 59.99rem) {
  .hero__inner { grid-template-columns: 1fr; }
}

/* ── Quote card ────────────────────────────────────────────── */
.quote-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--space-l);
}
.quote-card h2 { font-size: var(--text-xl); }
.quote-card__sub { color: var(--color-muted); font-size: var(--text-sm); margin-top: var(--space-2); }
.quote-card form { margin-top: var(--space-m); }
.field { margin-bottom: var(--space-4); flex: 1 1 10rem; }
.field-row { display: flex; flex-wrap: wrap; gap: var(--space-4); }
.field label {
  display: block; font-size: var(--text-sm); font-weight: var(--weight-semibold);
  margin-bottom: var(--space-2);
}
.field input, .field select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  min-height: 2.75rem;
  font-size: var(--text-base); font-family: inherit;
  color: var(--color-text);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}
.field input:hover, .field select:hover { border-color: var(--color-brand-hi); }
.quote-card__note {
  margin-top: var(--space-3); text-align: center;
  color: var(--color-muted); font-size: var(--text-sm);
}
.hp-field {
  position: absolute; left: -9999px; top: auto;
  width: 1px; height: 1px; overflow: hidden;
}
.quote-card__form-status {
  margin-top: var(--space-3);
  font-weight: var(--weight-semibold); font-size: var(--text-sm);
}
.quote-card__form-status:empty { display: none; }
.quote-card__form-status.is-error { color: var(--color-error); }

/* ── Stat band ─────────────────────────────────────────────── */
.stats {
  background: var(--color-surface);
  border-block: 1px solid var(--color-border);
  padding-block: var(--space-l);
}
.stats__grid {
  display: grid; gap: var(--space-l); list-style: none;
  grid-template-columns: repeat(auto-fit, minmax(min(9rem, 100%), 1fr));
  text-align: center;
}
.stats__grid strong {
  display: block;
  font-size: var(--text-2xl); font-weight: var(--weight-black);
  color: var(--color-brand-hi); line-height: var(--leading-tight);
}
.stats__star { font-size: 0.6em; vertical-align: middle; }
.stats__grid span:not(.stats__star) {
  color: var(--color-muted); font-size: var(--text-sm);
  text-transform: uppercase; letter-spacing: 0.08em;
}

/* ── Cards (services) ──────────────────────────────────────── */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-l);
  display: flex; flex-direction: column;
  transition: transform .2s ease, border-color .2s ease;
}
.card:hover { transform: translateY(-3px); border-color: rgba(240, 116, 58, 0.4); }
.card p { color: var(--color-muted); margin-top: var(--space-3); }
.card__price {
  margin-top: auto; padding-top: var(--space-4);
  font-size: var(--text-sm); text-transform: uppercase; letter-spacing: 0.08em;
}
.card__price strong { color: var(--color-brand-hi); font-size: var(--text-lg); letter-spacing: 0; }
.feature-icon {
  display: flex; align-items: center; justify-content: center;
  width: 3rem; height: 3rem; border-radius: var(--radius-md);
  background: var(--color-brand-soft);
  color: var(--color-brand-hi); margin-bottom: var(--space-4); flex-shrink: 0;
}

/* ── Steps ─────────────────────────────────────────────────── */
.steps {
  display: grid; gap: var(--space-l); list-style: none;
  margin-top: var(--space-l);
  grid-template-columns: repeat(auto-fill, minmax(min(16rem, 100%), 1fr));
  counter-reset: step;
}
.step {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-l);
}
.step__num {
  display: block;
  font-size: var(--text-sm); font-weight: var(--weight-bold);
  color: var(--color-brand-hi); letter-spacing: 0.2em;
  margin-bottom: var(--space-3);
}
.step p { color: var(--color-muted); margin-top: var(--space-3); }

/* ── Pricing tables ────────────────────────────────────────── */
.card--pricing h3 { margin-bottom: var(--space-4); }
.price-table { width: 100%; border-collapse: collapse; font-size: var(--text-sm); }
.price-table th, .price-table td {
  text-align: left; padding: var(--space-3) var(--space-2);
  border-bottom: 1px solid var(--color-border);
}
.price-table thead th {
  color: var(--color-muted); font-weight: var(--weight-semibold);
  text-transform: uppercase; letter-spacing: 0.08em; font-size: 0.78em;
}
.price-table td { font-weight: var(--weight-semibold); font-variant-numeric: tabular-nums; }
.price-table tbody th { font-weight: var(--weight-medium); color: var(--color-text); }
.price-table .is-popular { background: var(--color-brand-soft); }
.price-table .is-popular td { color: var(--color-brand-hi); }
.badge {
  display: inline-block; margin-left: var(--space-2);
  padding: 0.1rem var(--space-2);
  background: var(--color-brand); color: var(--color-on-brand);
  border-radius: var(--radius-full);
  font-size: 0.72em; font-weight: var(--weight-bold);
  text-transform: uppercase; letter-spacing: 0.06em;
  vertical-align: middle;
}
.card__hint { font-size: var(--text-sm); margin-top: var(--space-4); }

/* ── Service area + hours ──────────────────────────────────── */
.area__grid {
  display: grid; gap: var(--space-xl); align-items: start;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
}
.area__grid > div > p { color: var(--color-muted); margin-top: var(--space-3); max-width: 50ch; }
.area-chips {
  display: flex; flex-wrap: wrap; gap: var(--space-3);
  list-style: none; margin-top: var(--space-l);
}
.area-chips li {
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--color-border); border-radius: var(--radius-full);
  background: var(--color-bg);
  font-weight: var(--weight-medium); font-size: var(--text-sm);
}
.hours-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-l);
}
.hours { margin-top: var(--space-4); }
.hours > div {
  display: flex; justify-content: space-between; gap: var(--space-4);
  padding-block: var(--space-3);
  border-bottom: 1px solid var(--color-border);
}
.hours dt { color: var(--color-muted); }
.hours dd { font-weight: var(--weight-semibold); font-variant-numeric: tabular-nums; }
.hours-card__note { margin-top: var(--space-4); color: var(--color-muted); font-size: var(--text-sm); }

@media (max-width: 53.99rem) {
  .area__grid { grid-template-columns: 1fr; }
}

/* ── FAQ ───────────────────────────────────────────────────── */
.faq-list { margin-top: var(--space-l); }
.faq-list details {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-3);
}
.faq-list summary {
  cursor: pointer;
  padding: var(--space-4) var(--space-m);
  font-weight: var(--weight-semibold);
  list-style-position: inside;
}
.faq-list summary:hover { color: var(--color-brand-hi); }
.faq-list details[open] summary { border-bottom: 1px solid var(--color-border); }
.faq-list details p {
  padding: var(--space-4) var(--space-m);
  color: var(--color-muted);
}

/* ── Closing CTA band ──────────────────────────────────────── */
.cta-band {
  background:
    radial-gradient(ellipse 70% 90% at 50% 110%, var(--color-brand-soft) 0%, transparent 65%),
    var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding-block: var(--space-2xl);
  text-align: center;
}
.cta-band__inner { max-width: 46rem; }
.cta-band p { color: var(--color-muted); margin-top: var(--space-4); font-size: var(--text-lg); }
.cta-band__actions {
  display: flex; flex-wrap: wrap; gap: var(--space-4); justify-content: center;
  margin-top: var(--space-l);
}

/* ── Footer (centered, center-line headings) ───────────────── */
.footer {
  border-top: 1px solid var(--color-border);
  padding-block: var(--space-xl) var(--space-l);
  background: var(--color-bg);
  text-align: center;
}
.footer__inner, .footer__legal { max-width: 46rem; }

.centerline { display: flex; align-items: center; gap: var(--space-m); }
.centerline::before,
.centerline::after {
  content: ""; flex: 1; height: 1px; background: var(--color-border);
}

.footer__logoline { margin-bottom: var(--space-m); }
.footer__logo { height: clamp(5.5rem, 18vw, 7rem); width: auto; }
.footer__tagline { color: var(--color-muted); font-size: var(--text-sm); }
.footer__social {
  list-style: none; display: flex; flex-wrap: wrap; gap: var(--space-m);
  justify-content: center; margin-top: var(--space-3);
}
.footer__social a { font-size: var(--text-sm); }
.footer h3 {
  font-size: var(--text-sm); font-weight: var(--weight-semibold);
  text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--color-muted);
  margin-top: var(--space-l); margin-bottom: var(--space-3);
}
.footer p, .footer address p { color: var(--color-muted); font-size: var(--text-sm); margin-bottom: var(--space-2); }
.footer address { font-style: normal; }
.footer__legal {
  margin-top: var(--space-l); padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
}
.footer__legal p { color: var(--color-muted); font-size: var(--text-sm); }

/* ── Mobile sticky call bar ────────────────────────────────── */
.call-bar { display: none; }
@media (max-width: 47.99rem) {
  .call-bar {
    display: block;
    position: fixed; bottom: 0; left: 0; right: 0; z-index: 200;
    padding: var(--space-3) var(--space-4);
    background: color-mix(in srgb, var(--color-bg) 90%, transparent);
    backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
    border-top: 1px solid var(--color-border);
  }
  body { padding-bottom: 5.5rem; }
}

/* ── Scroll reveal (visible by default — fail-safe) ────────── */
[data-reveal] { opacity: 1; transform: none; }

@media (prefers-reduced-motion: no-preference) {
  [data-reveal] {
    opacity: 0;
    transform: translateY(1.5rem);
    transition: opacity .55s ease, transform .55s ease;
  }
  [data-reveal].is-visible { opacity: 1; transform: none; }
  [data-reveal][data-reveal-delay="1"] { transition-delay: .08s; }
  [data-reveal][data-reveal-delay="2"] { transition-delay: .16s; }
}