/* Fast Track Tires LLC — shared stylesheet
   Design tokens and component rules per design-source handoff. */

:root {
  --color-bg: #050805;
  --color-surface: #0c130c;
  --color-text: #f2fbef;
  --color-divider: rgba(150, 255, 120, 0.18);
  --color-accent: #84ff3d;
  --color-accent-300: #c6ff9e;
  --color-accent-400: #a9ff77;
  --color-accent-600: #6be22e;
  --color-accent-700: #93ff55;
  --color-accent-900: #0e2a08;
  --font-heading: "Barlow Condensed", sans-serif;
  --font-body: "Barlow", sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  overflow-x: hidden;
  max-width: 100%;
}

img { max-width: 100%; display: block; }

a { color: var(--color-accent); }
a:hover { color: var(--color-accent-300); }

.ftt a { transition: color .12s, background .12s, box-shadow .12s, border-color .12s; }

details > summary::-webkit-details-marker { display: none; }
details > summary { list-style: none; }
details > summary::marker { content: ""; }

.glow { text-shadow: 0 0 22px rgba(132,255,61,.55), 0 0 4px rgba(132,255,61,.4); }

/* Focus visibility — required on every interactive element */
a:focus-visible,
button:focus-visible,
summary:focus-visible,
details:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* ---- Buttons ---- */
.btn {
  display: inline-block;
  font-family: var(--font-heading);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .02em;
  border: 1px solid var(--color-divider);
  color: var(--color-text);
  background: transparent;
  cursor: pointer;
}
.btn:hover { border-color: var(--color-accent); color: var(--color-accent); }
.btn-primary {
  background: var(--color-accent);
  color: #050805 !important;
  border: 1px solid var(--color-accent);
}
.btn-primary:hover { background: var(--color-accent-400); border-color: var(--color-accent-400); }
.btn-primary:active { background: var(--color-accent-600); }

/* ---- Blueprint card (registration-mark corners) ---- */
.blueprint { position: relative; }
.blueprint .corner {
  position: absolute;
  width: 9px;
  height: 9px;
  pointer-events: none;
}
.blueprint .corner::before,
.blueprint .corner::after {
  content: "";
  position: absolute;
  background: var(--color-accent);
}
.blueprint .corner::before { width: 9px; height: 1px; top: 4px; left: 0; }
.blueprint .corner::after { width: 1px; height: 9px; left: 4px; top: 0; }
.blueprint .corner.tl { top: -1px; left: -1px; }
.blueprint .corner.tr { top: -1px; right: -1px; }
.blueprint .corner.bl { bottom: -1px; left: -1px; }
.blueprint .corner.br { bottom: -1px; right: -1px; }

.svc-card:hover { border-color: var(--color-accent) !important; box-shadow: 0 0 20px rgba(132,255,61,.18); }

/* ---- Nav ---- */
.navbar { display: flex; align-items: center; gap: 14px; padding: 16px 40px; border-bottom: 1px solid var(--color-divider); position: sticky; top: 0; z-index: 20; background: color-mix(in srgb, var(--color-bg) 88%, transparent); backdrop-filter: blur(8px); }
.navbar .logo-frame { display: inline-flex; text-decoration: none; }
.navbar .logo-blueprint { position: relative; display: inline-flex; border: 1px solid var(--color-divider); }
.navbar img.logo { display: block; height: 54px; width: auto; }
.nav-spacer { flex: 1; }
.nav-link { font-family: var(--font-heading); font-size: 15px; text-transform: uppercase; letter-spacing: .06em; color: var(--color-text); text-decoration: none; white-space: nowrap; }
.nav-link:hover { color: var(--color-accent); }
.nav-call { text-decoration: none; font-family: var(--font-heading); font-weight: 600; box-shadow: 0 0 20px rgba(132,255,61,.35); padding: 12px 18px; font-size: 15px; min-height: 44px; display: inline-flex; align-items: center; }

.nav-dropdown { position: relative; }
.nav-dropdown > summary { cursor: pointer; font-family: var(--font-heading); font-size: 15px; text-transform: uppercase; letter-spacing: .06em; color: var(--color-text); display: flex; align-items: center; gap: 5px; white-space: nowrap; }
.nav-dropdown > summary .caret { font-size: 11px; color: var(--color-accent); }
.nav-dropdown[open] > summary .caret { transform: rotate(180deg); display: inline-block; }
.nav-dropdown-panel { position: absolute; top: calc(100% + 10px); left: 0; min-width: 260px; background: var(--color-surface); border: 1px solid var(--color-divider); display: flex; flex-direction: column; z-index: 30; }
.nav-dropdown-panel a { padding: 13px 18px; font-family: var(--font-body); font-size: 14px; color: var(--color-text); text-decoration: none; border-bottom: 1px solid var(--color-divider); }
.nav-dropdown-panel a:last-child { border-bottom: none; }
.nav-dropdown-panel a:hover { color: var(--color-accent); background: var(--color-bg); }

/* Mobile hamburger panel (hidden above 640px) */
.nav-hamburger { display: none; }
.nav-mobile-panel { display: none; }

/* ---- Footer ---- */
.footer-social { padding: 44px 40px; border-top: 1px solid var(--color-divider); display: flex; flex-wrap: wrap; gap: 20px 28px; align-items: center; justify-content: space-between; }
.footer-social-kicker { font-family: var(--font-heading); font-size: 13px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--color-accent); }
.footer-social-title { font-family: var(--font-heading); font-weight: 700; font-size: 26px; text-transform: uppercase; letter-spacing: .01em; margin-top: 8px; }
.footer-social-row { display: flex; flex-wrap: wrap; gap: 12px; }
.social-btn { display: inline-flex; align-items: center; gap: 9px; border: 1px solid var(--color-divider); padding: 11px 16px; min-height: 44px; font-family: var(--font-heading); font-weight: 600; font-size: 14px; text-transform: uppercase; letter-spacing: .04em; color: var(--color-text); text-decoration: none; background: var(--color-surface); }
.social-btn:hover { border-color: var(--color-accent); color: var(--color-accent); box-shadow: 0 0 16px rgba(132,255,61,.25); }

.site-footer { display: flex; flex-wrap: wrap; gap: 16px; justify-content: space-between; align-items: center; padding: 30px 40px; border-top: 1px solid var(--color-divider); font-family: var(--font-body); font-size: 13px; color: color-mix(in srgb, var(--color-text) 62%, transparent); }
.footer-brand { font-family: var(--font-heading); font-weight: 700; font-size: 19px; text-transform: uppercase; color: var(--color-text); }
.footer-phone { color: var(--color-accent); text-decoration: none; font-family: var(--font-heading); font-size: 17px; }

/* ---- Section kicker / rule / h2 pattern ---- */
.kicker { font-family: var(--font-heading); font-size: 13px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--color-accent); }
.rule { height: 1px; border: 0; margin: 14px 0 20px; background: var(--color-divider); }

/* ---- Grids ---- */
.grid4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 22px; margin-top: 34px; }
.grid3n { display: grid; grid-template-columns: repeat(4,1fr); align-items: start; position: relative; }
.grid3s { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; margin-top: 34px; }

/* ---- FAQ ---- */
.faq-item { border-bottom: 1px solid var(--color-divider); padding: 18px 0; }
.faq-item:last-child { border-bottom: none; }
.faq-item summary { font-family: var(--font-heading); font-weight: 600; font-size: 20px; text-transform: uppercase; letter-spacing: .01em; cursor: pointer; display: flex; justify-content: space-between; gap: 16px; }
.faq-item summary .plus { color: var(--color-accent); }
.faq-item p { font-family: var(--font-body); font-size: 15px; line-height: 1.5; margin: 12px 0 0; max-width: 70ch; color: color-mix(in srgb, var(--color-text) 78%, transparent); }

/* ---- Responsive ---- */
@media (max-width: 1000px) {
  .grid4 { grid-template-columns: repeat(2,1fr); }
  .grid3s { grid-template-columns: repeat(2,1fr); }
}

@media (max-width: 900px) {
  .ftt > section:not(.hero) { padding: 56px 20px; }
  .ftt > footer, .footer-social { padding-left: 20px; padding-right: 20px; }
  .hero-inner { padding: 56px 20px 48px !important; }
  .ftt h1 { font-size: 40px !important; }
  .navbar { padding: 14px 20px; }
}

@media (max-width: 760px) {
  .ftt > section { padding: 52px 22px; }
  .hero-inner { padding: 52px 22px 44px !important; }
  .ftt h1 { font-size: clamp(32px,9vw,40px) !important; }
  .ftt h2 { font-size: clamp(28px,8vw,38px) !important; }
  .grid4 { grid-template-columns: 1fr; }
  .grid3n { grid-template-columns: 1fr; gap: 26px; }
  .grid3s { grid-template-columns: 1fr; }
  .route-line { display: none; }
  .cta-phone { font-size: clamp(30px,10vw,44px) !important; }
}

@media (max-width: 640px) {
  .ftt h1 { font-size: 32px !important; }
  .navbar { flex-wrap: nowrap; padding-left: 14px; padding-right: 14px; gap: 8px; }
  .nav-link:not(.nav-brand-link), .nav-dropdown { display: none; }
  .nav-call { padding: 10px 12px; font-size: 13px; }
  .navbar img.logo { height: 40px; }
  .nav-hamburger { display: inline-flex; align-items: center; justify-content: center; width: 44px; height: 44px; flex-shrink: 0; border: 1px solid var(--color-divider); background: transparent; color: var(--color-text); cursor: pointer; }
  .nav-hamburger:hover { border-color: var(--color-accent); color: var(--color-accent); }
  .nav-mobile-panel { position: fixed; inset: 0; z-index: 40; background: var(--color-bg); padding: 20px; display: none; flex-direction: column; gap: 4px; }
  .nav-mobile-panel.open { display: flex; }
  .nav-mobile-panel a, .nav-mobile-panel summary { font-family: var(--font-heading); font-size: 20px; text-transform: uppercase; letter-spacing: .04em; color: var(--color-text); text-decoration: none; padding: 16px 4px; border-bottom: 1px solid var(--color-divider); cursor: pointer; }
  .nav-mobile-panel .nav-mobile-close { align-self: flex-end; margin-bottom: 12px; }
  .footer-social, .site-footer { flex-direction: column; align-items: flex-start; text-align: left; }
  section[style*="height:340px"], .photo-band { height: 220px !important; }
}