/* ============================================
   LUTON HAND CAR WASH — Design System
   Aesthetic: Clean-industrial, trust-forward
   Palette: Deep navy + electric blue + warm white
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;500;600;700;800&family=Plus+Jakarta+Sans:wght@300;400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  /* Palette */
  --navy:     #0b1120;
  --navy-mid: #131c30;
  --navy-lt:  #1d2d4a;
  --blue:     #1c6bff;
  --blue-lt:  #4d8eff;
  --blue-dim: rgba(28,107,255,.12);
  --gold:     #f0b429;
  --gold-lt:  #ffd166;
  --white:    #f5f5f0;
  --off:      #e8e5dc;
  --grey-lt:  #a8b0c0;
  --grey-mid: #5a6478;
  --border:   rgba(255,255,255,.08);
  --border-lt:rgba(255,255,255,.14);

  /* Type */
  --font-head: 'Syne', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Spacing */
  --gutter: 64px;
  --section: 96px;

  /* Radius */
  --r-sm:  6px;
  --r-md: 12px;
  --r-lg: 20px;

  /* Shadow */
  --shadow-sm:  0 2px 12px rgba(0,0,0,.25);
  --shadow-md:  0 8px 32px rgba(0,0,0,.35);
  --shadow-lg:  0 20px 60px rgba(0,0,0,.45);
  --glow-blue:  0 0 40px rgba(28,107,255,.2);
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  background: var(--navy);
  color: var(--white);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }
ul { list-style: none; }

/* ── Nav ── */
.site-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  background: rgba(11,17,32,.88);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow .3s;
}
.site-nav.scrolled { box-shadow: var(--shadow-md); }
.nav-inner {
  max-width: 1200px; margin: 0 auto;
  padding: 0 var(--gutter);
  height: 68px;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-logo {
  font-family: var(--font-head);
  font-size: 18px; font-weight: 800;
  letter-spacing: -.3px;
  display: flex; align-items: center; gap: 10px;
  flex-shrink: 0;
}
.nav-logo .logo-icon {
  width: 34px; height: 34px;
  background: var(--blue);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; line-height: 1;
}
.nav-links {
  display: flex; align-items: center; gap: 4px;
}
.nav-links a {
  font-size: 14px; font-weight: 500;
  padding: 8px 14px;
  border-radius: var(--r-sm);
  color: var(--grey-lt);
  transition: color .2s, background .2s;
}
.nav-links a:hover,
.nav-links a.active { color: var(--white); background: var(--border); }
.nav-cta-wrap { display: flex; align-items: center; gap: 10px; }
.nav-tel {
  font-family: var(--font-mono);
  font-size: 13px; color: var(--gold);
  display: flex; align-items: center; gap: 6px;
  padding: 8px 14px;
  border: 1px solid rgba(240,180,41,.3);
  border-radius: var(--r-sm);
  transition: background .2s, border-color .2s;
}
.nav-tel:hover { background: rgba(240,180,41,.08); border-color: var(--gold); }
.btn-nav {
  background: var(--blue);
  color: #fff; font-weight: 600; font-size: 13px;
  padding: 10px 20px; border-radius: var(--r-sm);
  transition: background .2s, transform .15s;
  white-space: nowrap;
}
.btn-nav:hover { background: var(--blue-lt); transform: translateY(-1px); }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column; gap: 5px;
  padding: 8px; cursor: pointer;
}
.hamburger span {
  display: block; width: 22px; height: 2px;
  background: var(--white); border-radius: 2px;
  transition: transform .3s, opacity .3s;
}
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

/* Mobile menu */
.mobile-menu {
  display: none;
  position: fixed; top: 68px; left: 0; right: 0; bottom: 0; z-index: 199;
  background: var(--navy-mid);
  padding: 32px 24px;
  flex-direction: column; gap: 8px;
  overflow-y: auto;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  font-size: 18px; font-weight: 600;
  padding: 14px 16px;
  border-radius: var(--r-md);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 10px;
}
.mobile-menu a:hover { background: var(--border); }
.mobile-menu .mob-cta {
  background: var(--blue);
  text-align: center; justify-content: center;
  margin-top: 8px; border-radius: var(--r-md);
  font-size: 16px; color: #fff;
  border: none;
}
.mobile-menu .mob-tel {
  color: var(--gold);
  border: 1px solid rgba(240,180,41,.3);
  text-align: center; justify-content: center;
  font-family: var(--font-mono);
}

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-weight: 600; font-size: 15px; border-radius: var(--r-md);
  padding: 14px 28px;
  transition: transform .15s, box-shadow .2s, background .2s;
  cursor: pointer;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  background: var(--blue); color: #fff;
  box-shadow: 0 4px 20px rgba(28,107,255,.35);
}
.btn-primary:hover { background: var(--blue-lt); box-shadow: 0 8px 30px rgba(28,107,255,.5); }
.btn-ghost {
  background: transparent; color: var(--white);
  border: 1.5px solid var(--border-lt);
}
.btn-ghost:hover { border-color: var(--white); background: var(--border); }
.btn-gold {
  background: var(--gold); color: var(--navy);
  font-weight: 700;
  box-shadow: 0 4px 20px rgba(240,180,41,.3);
}
.btn-gold:hover { background: var(--gold-lt); box-shadow: 0 8px 30px rgba(240,180,41,.45); }
.btn-sm { padding: 10px 20px; font-size: 13px; }
.btn-lg { padding: 18px 36px; font-size: 17px; }

/* ── Section wrapper ── */
.section {
  padding: var(--section) 0;
}
.container {
  max-width: 1200px; margin: 0 auto;
  padding: 0 var(--gutter);
}
.section-tag {
  font-family: var(--font-mono);
  font-size: 11px; font-weight: 500;
  letter-spacing: 2.5px; text-transform: uppercase;
  color: var(--blue-lt);
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 16px;
}
.section-tag::before {
  content: ''; width: 24px; height: 1.5px; background: var(--blue-lt);
}
h1,h2,h3,h4 { font-family: var(--font-head); }
h1 { font-size: clamp(44px,5.5vw,88px); font-weight: 800; line-height: 1.0; letter-spacing: -1.5px; }
h2 { font-size: clamp(32px,4vw,60px); font-weight: 700; line-height: 1.05; letter-spacing: -.8px; }
h3 { font-size: clamp(20px,2.5vw,28px); font-weight: 700; line-height: 1.2; }
h4 { font-size: 17px; font-weight: 600; }
.text-blue { color: var(--blue-lt); }
.text-gold { color: var(--gold); }
.text-muted { color: var(--grey-lt); }

/* ── Cards ── */
.card {
  background: var(--navy-mid);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: border-color .25s, box-shadow .25s, transform .25s;
}
.card:hover {
  border-color: var(--border-lt);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

/* ── Open pill ── */
.open-pill {
  display: inline-flex; align-items: center; gap: 7px;
  background: rgba(34,197,94,.1);
  border: 1px solid rgba(34,197,94,.35);
  border-radius: 999px;
  padding: 5px 14px;
  font-size: 12px; font-weight: 600;
  color: #4ade80;
  letter-spacing: .5px;
}
.open-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: #4ade80;
  animation: blink 1.8s ease-in-out infinite;
}
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:.3} }

/* ── Stars ── */
.stars { display: flex; gap: 2px; }
.star { color: var(--gold); font-size: 16px; }

/* ── Divider ── */
.divider {
  height: 1px; background: var(--border);
  margin: var(--section) 0;
}

/* ── Floating CTA bar (mobile) ── */
.float-bar {
  display: none;
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 190;
  background: var(--navy-mid);
  border-top: 1px solid var(--border);
  padding: 12px 16px;
  gap: 10px;
}
.float-bar a { flex: 1; text-align: center; }

/* ── Footer ── */
.site-footer {
  background: var(--navy-mid);
  border-top: 1px solid var(--border);
  padding: 64px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-brand-name {
  font-family: var(--font-head);
  font-size: 20px; font-weight: 800;
  margin-bottom: 12px;
}
.footer-tagline {
  font-size: 14px; color: var(--grey-lt); line-height: 1.7;
  max-width: 280px; margin-bottom: 24px;
}
.footer-col h5 {
  font-family: var(--font-mono);
  font-size: 10px; letter-spacing: 2px; text-transform: uppercase;
  color: var(--grey-mid); margin-bottom: 16px;
}
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a {
  font-size: 14px; color: var(--grey-lt);
  transition: color .2s;
}
.footer-col ul li a:hover { color: var(--white); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 28px;
  display: flex; align-items: center; justify-content: space-between;
  font-size: 12px; color: var(--grey-mid);
  font-family: var(--font-mono);
  flex-wrap: wrap; gap: 12px;
}
.footer-schema-note { display: none; }

/* ── Scroll animations ── */
.reveal {
  opacity: 0; transform: translateY(28px);
  transition: opacity .65s cubic-bezier(.25,.46,.45,.94),
              transform .65s cubic-bezier(.25,.46,.45,.94);
}
.reveal.visible { opacity: 1; transform: none; }
.reveal-delay-1 { transition-delay: .1s; }
.reveal-delay-2 { transition-delay: .2s; }
.reveal-delay-3 { transition-delay: .3s; }
.reveal-delay-4 { transition-delay: .4s; }

/* ── Responsive ── */
@media (max-width: 1024px) {
  :root { --gutter: 32px; --section: 72px; }
}
@media (max-width: 768px) {
  :root { --gutter: 20px; --section: 56px; }
  .nav-links, .nav-tel, .btn-nav, .nav-cta-wrap { display: none; }
  .hamburger { display: flex; flex-shrink: 0; }
  .nav-inner { gap: 12px; }
  .nav-logo {
    font-size: 16px;
    min-width: 0;
    flex: 1 1 auto;
    overflow: hidden;
  }
  .nav-logo > span:not(.logo-icon) {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    min-width: 0;
  }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .float-bar { display: flex; }
  body { padding-bottom: 76px; }
}
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
  .nav-logo { font-size: 15px; gap: 8px; }
  .nav-logo .logo-icon { width: 30px; height: 30px; font-size: 16px; }
}