/* =========================================================
   DESIGN TOKENS
   Change these values to re-theme the entire site at once.
========================================================= */
:root {
  --charcoal: #2b2b2a;      /* asphalt - main dark color */
  --sealant: #161615;       /* near-black - header/footer */
  --cream: #f0ebe1;         /* warm concrete - main background */
  --cream-dim: #e3ddd0;     /* slightly darker cream for cards */
  --yellow: #fbca00;        /* work-vest orange - accent/CTA */
  --orange-dark: #a5401f;
  --text-dark: #201f1d;
  --text-light: #f0ebe1;

  --font-display: "Oswald", sans-serif;
  --font-body: "Inter", sans-serif;
}

/* =========================================================
   RESET / BASE
========================================================= */
* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--text-dark);
  background: var(--cream);
  line-height: 1.5;
}

.wrap {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3, .logo, .eyebrow {
  font-family: var(--font-display);
  text-transform: uppercase;
}

a {
  color: inherit;
  text-decoration: none;
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--Yellow);
  outline-offset: 3px;
}

/* =========================================================
   HEADER
========================================================= */
.site-header {
  background: var(--sealant);
  color: var(--text-light);
  position: sticky;
  top: 0;
  z-index: 10;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: 0.03em;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.main-nav a {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--text-light);
  opacity: 0.85;
  transition: opacity 0.15s ease;
}

.main-nav a:hover { opacity: 1; }

.nav-cta {
  background: var(--orange);
  padding: 8px 18px;
  border-radius: 4px;
  opacity: 1 !important;
}

.nav-cta:hover { background: var(--orange-dark); }

/* =========================================================
   BUTTONS
========================================================= */
.btn {
  display: inline-block;
  font-family: var(--font-display);
  text-transform: uppercase;
  font-weight: 600;
  letter-spacing: 0.03em;
  padding: 16px 32px;
  border-radius: 4px;
  transition: transform 0.15s ease, background 0.15s ease;
}

.btn-primary {
  background: var(--orange);
  color: var(--text-light);
}

.btn-primary:hover {
  background: var(--orange-dark);
  transform: translateY(-1px);
}

/* =========================================================
   EYEBROW LABEL (small caps label above headings)
========================================================= */
.eyebrow {
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  color: var(--yellow);
  font-weight: 600;
  margin-bottom: 12px;
}

/* =========================================================
   HERO
========================================================= */
.hero {
  background: var(--charcoal);
  color: var(--text-light);
  position: relative;
  overflow: hidden;
}

.hero-inner {
  padding: 100px 24px 120px;
  max-width: 720px;
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  line-height: 1.1;
  margin-bottom: 24px;
}

.hero-sub {
  font-size: 1.1rem;
  line-height: 1.6;
  color: #d8d2c4;
  margin-bottom: 36px;
  max-width: 56ch;
}

/* Signature element: diagonal "sealcoat stripe" divider,
   echoing a freshly striped driveway line. */
.stripe {
  height: 18px;
  background: repeating-linear-gradient(
    -45deg,
    var(--yellow),
    var(--yellow) 24px,
    var(--sealant) 24px,
    var(--sealant) 48px
  );
}

.stripe-flip {
  background: repeating-linear-gradient(
    45deg,
    var(--yellow),
    var(--yellow) 24px,
    var(--sealant) 24px,
    var(--sealant) 48px
  );
}

/* =========================================================
   SERVICES
========================================================= */
.services {
  padding: 80px 0 90px;
}

.services h2 {
  font-size: 2rem;
  margin-bottom: 40px;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--cream-dim);
  border-left: 4px solid var(--yellow);
  padding: 28px 24px;
  border-radius: 4px;
}

.service-card h3 {
  font-size: 1.15rem;
  margin-bottom: 12px;
  letter-spacing: 0.02em;
}

.service-card p {
  font-size: 0.95rem;
  color: #4a4844;
}

/* =========================================================
   WHY US
========================================================= */
.why-us {
  background: var(--sealant);
  color: var(--text-light);
  padding: 80px 0;
}

.why-inner { max-width: 640px; }

.why-us h2 {
  font-size: 1.9rem;
  margin-bottom: 28px;
}

.why-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.why-list li {
  padding-left: 28px;
  position: relative;
  color: #d8d2c4;
}

.why-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 12px;
  height: 12px;
  background: var(--yellow);
  border-radius: 2px;
}

/* =========================================================
   CONTACT
========================================================= */
.contact {
  padding: 90px 0 100px;
  text-align: center;
}

.contact h2 {
  font-size: 2rem;
  margin-bottom: 16px;
}

.contact-sub {
  max-width: 50ch;
  margin: 0 auto 36px;
  color: #4a4844;
}

.contact-details {
  display: flex;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
}

.contact-link {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  padding: 14px 20px;
  border: 2px solid var(--charcoal);
  border-radius: 4px;
  transition: background 0.15s ease, color 0.15s ease;
}

.contact-link:hover {
  background: var(--charcoal);
  color: var(--text-light);
}

/* =========================================================
   FOOTER
========================================================= */
.site-footer {
  background: var(--sealant);
  color: #a39d90;
  text-align: center;
  padding: 24px 0;
  font-size: 0.85rem;
}

/* =========================================================
   RESPONSIVE
========================================================= */
@media (max-width: 720px) {
  .main-nav { gap: 16px; }
  .main-nav a { font-size: 0.85rem; }
  .service-grid { grid-template-columns: 1fr; }
  .hero-inner { padding: 70px 24px 90px; }
  .contact-details { flex-direction: column; align-items: center; }
}

/* Respect reduced-motion preferences */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn-primary:hover { transform: none; }
}