/* ========================================
   BULKCRETE — Main Stylesheet
   Design: Industrial, bold, masculine
   Palette: Charcoal + High-vis Yellow
   ======================================== */

/* ---- CSS Variables ---- */
:root {
  --color-bg: #111111;
  --color-surface: #1a1a1a;
  --color-surface-2: #222222;
  --color-accent: #f5c400;       /* High-vis yellow */
  --color-accent-dark: #c49b00;
  --color-text: #f0f0f0;
  --color-text-muted: #999999;
  --color-border: #2e2e2e;

  --font-heading: 'Bebas Neue', sans-serif;
  --font-body: 'Barlow', sans-serif;

  --radius: 4px;
  --transition: 0.2s ease;

  --container-max: 1200px;
  --container-pad: 1.25rem;

  --section-pad: 5rem 0;
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ---- Utility ---- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}

.section-pad { padding: var(--section-pad); }

.section-dark {
  background: var(--color-surface);
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--color-text);
  margin-bottom: 0.5rem;
}

.section-sub {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  margin-bottom: 2.5rem;
}

.section-cta {
  text-align: center;
  margin-top: 2.5rem;
}

/* ---- Buttons ---- */
.btn {
  display: inline-block;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition);
}

.btn-primary {
  background: var(--color-accent);
  color: #111;
  border-color: var(--color-accent);
}
.btn-primary:hover {
  background: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
}

.btn-secondary {
  background: transparent;
  color: var(--color-accent);
  border-color: var(--color-accent);
}
.btn-secondary:hover {
  background: var(--color-accent);
  color: #111;
}

.btn-large {
  padding: 1rem 2.5rem;
  font-size: 1.1rem;
}

/* ========================================
   HEADER
   ======================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(17,17,17,0.97);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1rem;
  padding-bottom: 1rem;
  gap: 1rem;
}

.logo-text {
  font-family: var(--font-heading);
  font-size: 2rem;
  letter-spacing: 0.08em;
  color: var(--color-accent);
}

.logo img { height: 48px; width: auto; }

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

.nav-list {
  display: flex;
  gap: 2rem;
}

.nav-list a {
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  transition: var(--transition);
}
.nav-list a:hover { color: var(--color-accent); }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-text);
  font-size: 1.5rem;
  cursor: pointer;
}

.header-cta { white-space: nowrap; }

/* ========================================
   HERO
   ======================================== */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;

  background-image: url('../assets/images/driveway-4.jpg');
  background-size: cover;
  background-position: center;

  /* Fallback if no image yet */
  background-color: #1a1a1a;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to right,
    rgba(0,0,0,0.85) 0%,
    rgba(0,0,0,0.4) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 650px;
}

.hero-eyebrow {
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 1rem;
}

.hero-headline {
  font-family: var(--font-heading);
  font-size: clamp(4rem, 10vw, 7rem);
  line-height: 0.95;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--color-text);
  margin-bottom: 1.25rem;
}

.hero-sub {
  font-size: 1.1rem;
  color: rgba(240,240,240,0.8);
  margin-bottom: 2rem;
  max-width: 460px;
}

/* ========================================
   SERVICES OVERVIEW
   ======================================== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
}

.service-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 2rem 1.75rem;
  transition: var(--transition);
  display: block;
}

.service-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-3px);
}

.service-icon {
  font-size: 2rem;
  margin-bottom: 0.75rem;
}

.service-card h3 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-text);
  margin-bottom: 0.5rem;
}

.service-card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

/* ========================================
   WHY BULKCRETE
   ======================================== */
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
}

.why-card {
  background: var(--color-surface-2);
  border-left: 4px solid var(--color-accent);
  padding: 2rem 1.5rem;
  border-radius: 0 var(--radius) var(--radius) 0;
}

.why-number {
  display: block;
  font-family: var(--font-heading);
  font-size: 3rem;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.why-card h3 {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.why-card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

/* ========================================
   GALLERY PREVIEW
   ======================================== */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
}

.gallery-item {
  aspect-ratio: 4/3;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--color-surface-2);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}
.gallery-item:hover img { transform: scale(1.04); }

/* Placeholder styling — remove when real photos added */
.placeholder-img {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: 0.85rem;
  border: 1px dashed var(--color-border);
}

/* ========================================
   TESTIMONIALS
   ======================================== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
}

.testimonial-card {
  background: var(--color-surface-2);
  border-radius: var(--radius);
  padding: 2rem;
  border-top: 3px solid var(--color-accent);
}

.testimonial-text {
  font-size: 1rem;
  font-style: italic;
  color: var(--color-text);
  margin-bottom: 1rem;
  line-height: 1.7;
}

.testimonial-author {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-accent);
}

/* ========================================
   CTA BANNER
   ======================================== */
.cta-banner {
  background: var(--color-accent);
  padding: 4rem 0;
}

.cta-banner-inner {
  text-align: center;
}

.cta-banner h2 {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 5vw, 4rem);
  text-transform: uppercase;
  color: #111;
  margin-bottom: 0.5rem;
}

.cta-banner p {
  color: #333;
  font-size: 1.05rem;
  margin-bottom: 1.75rem;
}

.cta-banner .btn-primary {
  background: #111;
  color: var(--color-accent);
  border-color: #111;
}
.cta-banner .btn-primary:hover {
  background: #000;
}

/* ========================================
   FOOTER
   ======================================== */
.site-footer {
  background: #0a0a0a;
  border-top: 1px solid var(--color-border);
  padding-top: 3.5rem;
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2.5rem;
  padding-bottom: 3rem;
}

.footer-brand .logo-text {
  display: block;
  margin-bottom: 0.75rem;
}

.footer-brand p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  line-height: 1.8;
}

.footer-nav h4,
.footer-contact h4 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 1rem;
}

.footer-nav ul { display: flex; flex-direction: column; gap: 0.5rem; }
.footer-nav a {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  transition: var(--transition);
}
.footer-nav a:hover { color: var(--color-text); }

.footer-contact p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}
.footer-contact a:hover { color: var(--color-accent); }

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding: 1.25rem 0;
  text-align: center;
}
.footer-bottom p {
  color: var(--color-text-muted);
  font-size: 0.8rem;
}

/* ========================================
   MOBILE — RESPONSIVE
   ======================================== */
@media (max-width: 768px) {
  :root { --section-pad: 3.5rem 0; }

  .header-cta { display: none; }

  .nav-toggle { display: block; }

  .nav-list {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-bg);
    flex-direction: column;
    gap: 0;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
  }

  .nav-list.open { display: flex; }

  .nav-list li a {
    display: block;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--color-border);
  }

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .hero { min-height: 85vh; }
}

@media (max-width: 480px) {
  .gallery-grid { grid-template-columns: 1fr 1fr; }
  .services-grid { grid-template-columns: 1fr; }
}