/*
Design DNA - Premium Mobile Auto Wash
- Color Strategy: Primary #1f7ae0 / Secondary #00bfa6 / Accent #ffd166 / Neutral #f4f8fb
- Layout Pattern: Split Hero, Card Service Grid, Feature Icon Section, CTA Highlight Banner
- Section Order: Header > Split Hero > Services > Features > About > Process > Contact > Region > Business > Footer
- Icon Style: Line-based vehicle/wash SVG
- Background Pattern: Water drop repeat SVG pattern
*/
:root {
  --primary: #1f7ae0;
  --secondary: #00bfa6;
  --accent: #ffd166;
  --neutral: #f4f8fb;
  --ink: #0f2a43;
  --muted: #4f6579;
  --surface: #ffffff;
  --line: #d6e2ee;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(20, 58, 94, 0.14);
  --max: 1100px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--neutral) url("../img/pattern-bg.svg") repeat;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  line-height: 1.6;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.container { width: min(100% - 2rem, var(--max)); margin-inline: auto; }
.section { padding: 4rem 0; }
.section-title { margin: 0 0 1.2rem; font-size: clamp(1.5rem, 3vw, 2rem); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 74px;
}
.logo { width: 170px; }
.main-nav ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  gap: 1rem;
}
.main-nav a {
  padding: 0.4rem 0.6rem;
  border-radius: 8px;
}
.main-nav a:hover,
.main-nav a:focus-visible { background: #eaf4fe; }

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
}
.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  margin: 5px auto;
  background: var(--ink);
}

.hero-grid {
  display: grid;
  align-items: center;
  gap: 2rem;
}
.eyebrow {
  color: var(--secondary);
  font-weight: 700;
  margin-bottom: 0.5rem;
}
.hero h1 { margin: 0 0 1rem; font-size: clamp(1.8rem, 4.8vw, 3.2rem); line-height: 1.2; }
.hero-sub { margin: 0 0 1.5rem; color: var(--muted); }
.hero-visual img {
  border-radius: calc(var(--radius) + 6px);
  box-shadow: var(--shadow);
}

.btn {
  display: inline-block;
  border-radius: 999px;
  border: 0;
  padding: 0.8rem 1.2rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background-color 0.25s ease;
}
.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.btn-primary { background: var(--primary); color: #fff; }
.btn-secondary { background: var(--secondary); color: #052e2a; }
.btn-accent { background: var(--accent); color: #3e2f00; }

.services { background: #fff; }
.service-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem;
  box-shadow: 0 6px 22px rgba(22, 56, 90, 0.08);
  transition: transform 0.25s ease, border-color 0.25s ease;
}
.card:hover { transform: translateY(-4px); border-color: var(--primary); }
.card img { width: 44px; margin-bottom: 0.8rem; }
.card h3 { margin: 0 0 0.4rem; }
.card p { margin: 0; color: var(--muted); }

.feature-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
}
.feature-item {
  background: linear-gradient(145deg, #f7fcff, #ecf7f5);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem;
}
.feature-item img {
  width: 38px;
  margin-bottom: 0.6rem;
}
.feature-item h3 { margin: 0 0 0.4rem; }
.feature-item p { margin: 0; color: var(--muted); }

.about-list {
  margin: 0;
  padding-left: 1.2rem;
  display: grid;
  gap: 0.45rem;
}

.process-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.8rem;
}
.process-list li {
  background: #fff;
  border: 1px solid var(--line);
  border-left: 4px solid var(--primary);
  border-radius: 10px;
  padding: 0.8rem 1rem;
}

.contact-form {
  display: grid;
  gap: 0.65rem;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem;
}
.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  border: 1px solid #b9ccdd;
  border-radius: 10px;
  padding: 0.7rem 0.8rem;
  font: inherit;
  background: #fff;
}
.form-message {
  margin: 0;
  font-weight: 600;
  min-height: 1.4rem;
}
.form-message.error { color: #b42318; }
.form-message.success { color: #0b7a63; }

.region-text {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem;
}
.business-info {
  margin: 0;
  display: grid;
  gap: 0.6rem;
}
.business-info div {
  display: grid;
  gap: 0.2rem;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.75rem 0.85rem;
}
.business-info dt { font-weight: 700; }
.business-info dd { margin: 0; color: var(--muted); }

.cta-banner {
  padding: 1rem 0;
  background: linear-gradient(100deg, var(--primary), var(--secondary));
  color: #fff;
}
.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.cta-inner p { margin: 0; font-size: 1.05rem; font-weight: 600; }

.site-footer {
  background: #0a2237;
  color: #d6e7f8;
  padding: 1.3rem 0;
}
.site-footer p { margin: 0; text-align: center; }

.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
}

@media (min-width: 850px) {
  .hero-grid { grid-template-columns: 1.05fr 0.95fr; }
}

@media (max-width: 849px) {
  .menu-toggle { display: block; }
  .main-nav {
    position: absolute;
    top: 74px;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--line);
    display: none;
  }
  .main-nav.open { display: block; }
  .main-nav ul {
    flex-direction: column;
    padding: 0.8rem 1rem 1rem;
  }
  .cta-inner { flex-direction: column; align-items: flex-start; }
}