:root {
  --white: #ffffff;
  --light: #f6f7f8;
  --concrete: #d7d7d4;
  --gray: #666b70;
  --dark: #17191c;
  --deep: #262a2f;
  --accent: #d9822b;
  --accent-dark: #aa5e16;
  --shadow: 0 18px 55px rgba(23, 25, 28, 0.13);
  --radius: 24px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: Arial, Helvetica, sans-serif;
  background: var(--white);
  color: var(--dark);
  line-height: 1.6;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.container { width: min(1120px, calc(100% - 36px)); margin: 0 auto; }
.section-pad { padding: 88px 0; }
.section-pad-small { padding: 56px 0; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255,255,255,0.94);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0,0,0,0.08);
}
.navbar {
  width: min(1180px, calc(100% - 28px));
  margin: 0 auto;
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.brand { display: flex; align-items: center; gap: 12px; font-weight: 800; }
.brand-mark {
  width: 48px;
  height: 48px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--deep), #60666d);
  color: var(--white);
  border: 3px solid var(--accent);
  font-size: 15px;
  letter-spacing: 1px;
}
.brand-text { font-size: 18px; }
.nav-links { display: flex; align-items: center; gap: 22px; font-size: 15px; font-weight: 700; color: var(--deep); }
.nav-links a { transition: 0.25s ease; }
.nav-links a:hover { color: var(--accent-dark); }
.nav-cta { background: var(--accent); color: var(--white) !important; padding: 11px 18px; border-radius: 999px; }
.menu-toggle { display: none; border: 0; background: var(--deep); color: var(--white); width: 44px; height: 44px; border-radius: 12px; font-size: 22px; }

.hero {
  background:
    radial-gradient(circle at top right, rgba(217,130,43,0.15), transparent 30%),
    linear-gradient(180deg, #ffffff, #f7f7f7);
  overflow: hidden;
}
.hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 50px; align-items: center; }
.eyebrow { color: var(--accent-dark); text-transform: uppercase; font-weight: 800; letter-spacing: 1.8px; font-size: 13px; margin-bottom: 12px; }
h1 { font-size: clamp(40px, 6vw, 72px); line-height: 0.98; letter-spacing: -2.6px; color: var(--dark); margin-bottom: 24px; }
h2 { font-size: clamp(30px, 4vw, 48px); line-height: 1.05; letter-spacing: -1.5px; margin-bottom: 14px; }
h3 { line-height: 1.15; }
.hero-text { max-width: 630px; font-size: 20px; color: var(--gray); margin-bottom: 30px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 13px 24px; border-radius: 999px; font-weight: 800; transition: transform 0.22s ease, box-shadow 0.22s ease; }
.btn:hover { transform: translateY(-2px); }
.btn.primary { color: var(--white); background: linear-gradient(135deg, var(--accent), var(--accent-dark)); box-shadow: 0 14px 28px rgba(217,130,43,0.28); }
.btn.secondary { background: var(--white); border: 1px solid rgba(0,0,0,0.12); color: var(--deep); }

.hero-card { background: var(--white); border-radius: 34px; box-shadow: var(--shadow); padding: 20px; border: 1px solid rgba(0,0,0,0.08); }
.concrete-visual { height: 330px; border-radius: 26px; background: linear-gradient(145deg, #f2f2ef, #d0d1ce); position: relative; overflow: hidden; }
.concrete-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(35deg, rgba(255,255,255,0.32) 1px, transparent 1px),
    linear-gradient(120deg, rgba(0,0,0,0.05) 1px, transparent 1px);
  background-size: 38px 38px;
}
.slab { position: absolute; height: 86px; border-radius: 18px; background: linear-gradient(135deg, #aeb1b1, #f5f5f3); box-shadow: 0 20px 35px rgba(0,0,0,0.16); transform: skewY(-7deg); }
.slab-one { width: 72%; left: 12%; top: 62px; }
.slab-two { width: 86%; left: 5%; top: 145px; }
.slab-three { width: 62%; right: 9%; top: 225px; }
.hero-card-info { padding: 22px 8px 6px; }
.hero-card-info span { color: var(--accent-dark); font-weight: 800; font-size: 13px; text-transform: uppercase; }
.hero-card-info strong { display: block; font-size: 28px; margin: 4px 0; }
.hero-card-info p { color: var(--gray); }

.intro-box, .location-box { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 34px; align-items: center; background: var(--deep); color: var(--white); padding: 38px; border-radius: var(--radius); box-shadow: var(--shadow); }
.intro-box p, .location-box p { color: rgba(255,255,255,0.83); font-size: 18px; }
.intro-box h2, .location-box h2 { color: var(--white); }

.section-heading { max-width: 720px; margin-bottom: 36px; }
.section-heading p { color: var(--gray); font-size: 18px; }
.cards-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.service-card { padding: 34px; border-radius: var(--radius); background: var(--white); border: 1px solid rgba(0,0,0,0.08); box-shadow: 0 14px 40px rgba(0,0,0,0.08); min-height: 300px; position: relative; overflow: hidden; }
.service-card::after { content: ""; position: absolute; width: 160px; height: 160px; border-radius: 50%; right: -60px; bottom: -60px; background: rgba(217,130,43,0.11); }
.card-number { display: inline-grid; place-items: center; width: 50px; height: 50px; border-radius: 15px; background: var(--light); color: var(--accent-dark); font-weight: 900; margin-bottom: 28px; }
.service-card h3 { font-size: 24px; margin-bottom: 16px; }
.service-card p { color: var(--gray); }

.benefits { background: var(--light); }
.benefit-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.benefit-item { background: var(--white); border-radius: 22px; padding: 26px; border: 1px solid rgba(0,0,0,0.07); }
.benefit-item span { color: var(--accent); font-size: 22px; }
.benefit-item h3 { margin: 12px 0 8px; font-size: 20px; }
.benefit-item p { color: var(--gray); font-size: 15px; }

.process-grid { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 40px; align-items: start; }
.process-copy p { color: var(--gray); font-size: 18px; }
.timeline { display: grid; gap: 14px; }
.timeline-item { display: grid; grid-template-columns: 52px 1fr; align-items: center; gap: 16px; background: var(--white); border: 1px solid rgba(0,0,0,0.09); border-radius: 18px; padding: 18px; box-shadow: 0 12px 35px rgba(0,0,0,0.06); }
.timeline-item strong { width: 52px; height: 52px; border-radius: 15px; background: var(--deep); color: var(--white); display: grid; place-items: center; }
.timeline-item span { color: var(--gray); }

.location-box { background: linear-gradient(135deg, var(--deep), #3e454b); }
.contact { background: linear-gradient(180deg, #ffffff, #f7f7f7); }
.contact-card { text-align: center; background: var(--white); border-radius: 34px; padding: 52px; box-shadow: var(--shadow); border: 1px solid rgba(0,0,0,0.08); }
.contact-card > p { color: var(--gray); max-width: 720px; margin: 0 auto 28px; font-size: 18px; }
.contact-details { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin: 32px 0; text-align: left; }
.contact-details div { background: var(--light); border-radius: 18px; padding: 18px; border: 1px solid rgba(0,0,0,0.06); }
.contact-details span { display: block; color: var(--accent-dark); font-weight: 800; font-size: 13px; text-transform: uppercase; margin-bottom: 6px; }
.contact-details strong { display: block; }
.footer { padding: 28px 0; background: var(--dark); color: var(--white); }
.footer-content { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 14px; color: rgba(255,255,255,0.8); }
.footer strong { color: var(--white); }

.reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
.delay-1 { transition-delay: 0.08s; }
.delay-2 { transition-delay: 0.16s; }
.delay-3 { transition-delay: 0.24s; }

@media (max-width: 900px) {
  .menu-toggle { display: block; }
  .nav-links { position: absolute; top: 76px; left: 14px; right: 14px; background: var(--white); border: 1px solid rgba(0,0,0,0.1); box-shadow: var(--shadow); border-radius: 20px; padding: 18px; display: none; flex-direction: column; align-items: stretch; }
  .nav-links.open { display: flex; }
  .hero-grid, .intro-box, .location-box, .process-grid { grid-template-columns: 1fr; }
  .cards-grid, .benefit-grid, .contact-details { grid-template-columns: 1fr; }
  .hero-card { order: -1; }
  .section-pad { padding: 64px 0; }
  .contact-card { padding: 34px 22px; }
}

@media (max-width: 520px) {
  .brand-text { font-size: 15px; }
  .brand-mark { width: 42px; height: 42px; border-radius: 13px; }
  .hero-actions { flex-direction: column; }
  .btn { width: 100%; }
  .concrete-visual { height: 250px; }
  .intro-box, .location-box { padding: 26px; }
  .service-card { padding: 26px; min-height: auto; }
}