/* ===========================
   D&J Pipe Specialist — Styles
   =========================== */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --navy: #0f1f3d;
  --navy-mid: #1a3460;
  --orange: #e07b2a;
  --orange-light: #f09040;
  --white: #ffffff;
  --light-gray: #f4f7fb;
  --text: #1e293b;
  --text-muted: #64748b;
  --border: #e2e8f0;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ---- NAV ---- */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(15, 31, 61, 0.97);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: box-shadow 0.3s;
}
#navbar.scrolled { box-shadow: 0 2px 20px rgba(0,0,0,0.3); }

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo { display: flex; align-items: center; gap: 0.5rem; text-decoration: none; }
.logo-img { height: 54px; width: auto; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}
.nav-links a {
  color: rgba(255,255,255,0.8);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--white); }

.nav-cta {
  background: var(--orange) !important;
  color: var(--white) !important;
  padding: 0.5rem 1.25rem;
  border-radius: 6px;
  font-weight: 600 !important;
  transition: background 0.2s !important;
}
.nav-cta:hover { background: var(--orange-light) !important; }

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

.mobile-menu {
  display: none;
  list-style: none;
  flex-direction: column;
  padding: 1rem 1.5rem 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.1);
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  color: rgba(255,255,255,0.85);
  text-decoration: none;
  padding: 0.75rem 0;
  font-size: 1rem;
  font-weight: 500;
  border-bottom: 1px solid rgba(255,255,255,0.07);
}

/* ---- HERO ---- */
.hero {
  min-height: 100vh;
  background: linear-gradient(135deg, #0a1628 0%, #0f2347 50%, #1a3460 100%);
  display: flex;
  align-items: center;
  padding: 100px 1.5rem 60px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 80% 20%, rgba(224,123,42,0.18) 0%, transparent 50%),
    radial-gradient(ellipse at 20% 80%, rgba(26,52,96,0.6) 0%, transparent 50%);
}

/* Pipe grid pattern overlay */
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
}

.hero-accent {
  color: var(--orange);
  font-style: italic;
}

.hero-badge {
  display: inline-block;
  background: rgba(224,123,42,0.2);
  border: 1px solid rgba(224,123,42,0.4);
  color: var(--orange-light);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  padding: 0.4rem 1rem;
  border-radius: 100px;
  margin-bottom: 1.5rem;
  text-transform: uppercase;
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1.15;
  margin-bottom: 1.25rem;
}

.hero p {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.75);
  max-width: 540px;
  margin: 0 auto 2rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.hero-trust {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
  color: rgba(255,255,255,0.6);
  font-size: 0.85rem;
  font-weight: 500;
}

/* ---- BUTTONS ---- */
.btn {
  display: inline-block;
  padding: 0.85rem 1.75rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  transition: all 0.2s;
  cursor: pointer;
}

.btn-primary {
  background: var(--orange);
  color: var(--white);
  box-shadow: 0 4px 15px rgba(224,123,42,0.35);
}
.btn-primary:hover {
  background: var(--orange-light);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(224,123,42,0.45);
}

.btn-secondary {
  background: rgba(255,255,255,0.1);
  color: var(--white);
  border: 1px solid rgba(255,255,255,0.25);
}
.btn-secondary:hover {
  background: rgba(255,255,255,0.18);
  transform: translateY(-1px);
}

/* ---- SECTION HEADER ---- */
.section-header {
  text-align: center;
  margin-bottom: 3rem;
}
.section-header h2 {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 0.75rem;
}
.section-header p {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 500px;
  margin: 0 auto;
}
.section-header.light h2 { color: var(--white); }
.section-header.light p { color: rgba(255,255,255,0.7); }

/* ---- SERVICES ---- */
.services {
  padding: 5rem 0;
  background: var(--light-gray);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 1.5rem;
}

.service-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  transition: transform 0.2s, box-shadow 0.2s;
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0,0,0,0.08);
}

.service-icon {
  font-size: 2.25rem;
  margin-bottom: 1rem;
}
.service-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 0.5rem;
}
.service-card p {
  color: var(--text-muted);
  font-size: 0.93rem;
  line-height: 1.6;
}

/* ---- WHY US ---- */
.why-us {
  padding: 5rem 0;
  background: var(--white);
}

.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.why-text h2 {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 2rem;
}

.why-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.why-list li {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}
.why-check {
  background: var(--orange);
  color: var(--white);
  width: 26px;
  height: 26px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 2px;
}
.why-list strong {
  display: block;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 0.2rem;
}
.why-list p { color: var(--text-muted); font-size: 0.9rem; }

.callout-card {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-mid) 100%);
  border-radius: 16px;
  padding: 2.5rem;
  text-align: center;
  box-shadow: 0 20px 50px rgba(15,31,61,0.25);
}
.callout-quote {
  color: rgba(255,255,255,0.85);
  font-size: 1.05rem;
  font-style: italic;
  line-height: 1.7;
  margin-bottom: 1rem;
}
.callout-name {
  color: var(--orange-light);
  font-weight: 600;
  font-size: 0.9rem;
}

/* ---- ABOUT ---- */
.about {
  padding: 5rem 0;
  background: var(--light-gray);
}

.about-inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-text h2 {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 1.25rem;
}
.about-text p {
  color: var(--text-muted);
  margin-bottom: 1rem;
  font-size: 0.97rem;
  line-height: 1.75;
}
.about-text strong { color: var(--text); }

.about-stats {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.stat {
  background: var(--white);
  border: 1px solid var(--border);
  border-left: 4px solid var(--orange);
  border-radius: 10px;
  padding: 1.25rem 1.5rem;
  display: flex;
  flex-direction: column;
}
.stat-num {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--navy);
  line-height: 1;
}
.stat-label {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-top: 0.25rem;
}

/* ---- CONTACT ---- */
.contact {
  padding: 5rem 0;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-mid) 100%);
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.contact-card {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 12px;
  padding: 2rem;
  text-align: center;
  color: var(--white);
}
.contact-icon { font-size: 2rem; margin-bottom: 1rem; }
.contact-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}
.contact-card p {
  color: rgba(255,255,255,0.7);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* ---- FOOTER ---- */
.footer {
  background: #080f1e;
  padding: 3rem 0 1.5rem;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-links {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  align-items: center;
}
.footer-links a {
  color: rgba(255,255,255,0.55);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--white); }

.footer-bottom {
  padding-top: 1.5rem;
  text-align: center;
  color: rgba(255,255,255,0.35);
  font-size: 0.8rem;
}

/* ---- RESPONSIVE ---- */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .hamburger { display: block; }

  .why-grid,
  .about-inner { grid-template-columns: 1fr; gap: 2.5rem; }

  .why-callout { order: -1; }

  .hero-actions { flex-direction: column; align-items: center; }
  .hero-trust { flex-direction: column; gap: 0.5rem; }
}

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