/* ===== BUR TRANSPORTATION INC. ===== */
/* Professional trucking website — $5K quality */

:root {
  --navy: #0B1D3A;
  --navy-light: #142D54;
  --blue: #1A5DAB;
  --blue-light: #2E7DD6;
  --gold: #D4A84B;
  --gold-light: #E8C36E;
  --white: #FFFFFF;
  --off-white: #F5F6F8;
  --gray-100: #EBEDF0;
  --gray-200: #D1D5DB;
  --gray-300: #9CA3AF;
  --gray-600: #4B5563;
  --gray-800: #1F2937;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,.1);
  --shadow-lg: 0 8px 30px rgba(0,0,0,.15);
  --radius: 8px;
  --transition: .25s ease;
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--gray-800);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: color var(--transition); }
ul { list-style: none; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ---------- TYPOGRAPHY ---------- */
h1 { font-size: clamp(2rem, 5vw, 3.25rem); font-weight: 800; line-height: 1.15; letter-spacing: -.02em; }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.5rem); font-weight: 700; line-height: 1.2; letter-spacing: -.015em; }
h3 { font-size: 1.35rem; font-weight: 700; line-height: 1.3; }
h4 { font-size: 1.1rem; font-weight: 600; }

.section-label {
  text-transform: uppercase; letter-spacing: .12em; font-size: .8rem;
  font-weight: 700; color: var(--gold); margin-bottom: 8px;
}

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 32px; border-radius: 6px; font-weight: 600;
  font-size: .95rem; cursor: pointer; border: none;
  transition: all var(--transition); white-space: nowrap;
}
.btn-primary { background: var(--gold); color: var(--navy); }
.btn-primary:hover { background: var(--gold-light); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-secondary { background: transparent; color: var(--white); border: 2px solid rgba(255,255,255,.4); }
.btn-secondary:hover { border-color: var(--white); background: rgba(255,255,255,.1); }
.btn-outline { background: transparent; color: var(--blue); border: 2px solid var(--blue); }
.btn-outline:hover { background: var(--blue); color: var(--white); }

/* ---------- TOP BAR ---------- */
.top-bar {
  background: var(--navy); border-bottom: 1px solid rgba(255,255,255,.08);
  font-size: .82rem; color: rgba(255,255,255,.7);
}
.top-bar .container {
  display: flex; justify-content: space-between; align-items: center;
  height: 36px;
}
.top-bar a { color: rgba(255,255,255,.7); transition: color var(--transition); }
.top-bar a:hover { color: var(--gold); }
.top-bar-left, .top-bar-right { display: flex; align-items: center; gap: 20px; }
.top-bar-item { display: flex; align-items: center; gap: 6px; }
.top-bar-item svg { flex-shrink: 0; }
@media (max-width: 640px) {
  .top-bar-right { display: none; }
  .top-bar .container { justify-content: center; }
}

/* ---------- HEADER / NAV ---------- */
.site-header {
  position: fixed; top: 36px; left: 0; right: 0; z-index: 1000;
  background: rgba(11,29,58,.95); backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,.06);
  transition: background var(--transition), top var(--transition);
}
.nav-wrap {
  display: flex; align-items: center; justify-content: space-between;
  height: 80px;
}
.logo { display: flex; align-items: center; gap: 12px; }
.logo-icon {
  width: 44px; height: 44px; background: var(--gold);
  border-radius: 6px; display: flex; align-items: center; justify-content: center;
  font-weight: 900; font-size: 1.1rem; color: var(--navy);
}
.logo-text { color: var(--white); font-weight: 700; font-size: 1.15rem; line-height: 1.2; }
.logo-text span { display: block; font-weight: 400; font-size: .7rem; letter-spacing: .14em; text-transform: uppercase; color: var(--gray-300); }

.nav-links { display: flex; align-items: center; gap: 36px; }
.nav-links a {
  color: rgba(255,255,255,.8); font-size: .9rem; font-weight: 500;
  position: relative; padding: 4px 0;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: -2px; left: 0; width: 0; height: 2px;
  background: var(--gold); transition: width var(--transition);
}
.nav-links a:hover, .nav-links a.active { color: var(--white); }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }

.nav-cta { margin-left: 12px; }

.hamburger {
  display: none; flex-direction: column; gap: 5px; cursor: pointer;
  background: none; border: none; padding: 8px;
}
.hamburger span { width: 24px; height: 2px; background: var(--white); transition: all var(--transition); border-radius: 2px; }

/* ---------- MOBILE NAV ---------- */
@media (max-width: 960px) {
  .hamburger { display: flex; }
  .nav-links {
    position: fixed; top: 80px; left: 0; right: 0; bottom: 0;
    background: var(--navy); flex-direction: column; justify-content: flex-start;
    padding: 40px 24px; gap: 0;
    transform: translateX(100%); transition: transform .35s ease;
  }
  .nav-links.open { transform: translateX(0); }
  .nav-links a { font-size: 1.2rem; padding: 16px 0; border-bottom: 1px solid rgba(255,255,255,.06); width: 100%; }
  .nav-cta { margin: 24px 0 0; width: 100%; text-align: center; }
}

/* ---------- HERO ---------- */
.hero {
  position: relative; min-height: 92vh; display: flex; align-items: center;
  background: var(--navy); overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0; background-size: cover; background-position: center 40%;
  opacity: .4;
}
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(11,29,58,.92) 0%, rgba(11,29,58,.6) 50%, rgba(11,29,58,.85) 100%);
}
.hero .container { position: relative; z-index: 2; }
.hero-content { max-width: 660px; padding: 140px 0 80px; }
.hero h1 { color: var(--white); margin-bottom: 20px; }
.hero h1 .accent { color: var(--gold); }
.hero-sub { color: rgba(255,255,255,.75); font-size: 1.15rem; line-height: 1.7; margin-bottom: 36px; }
.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; }

/* ---------- STATS BAR ---------- */
.stats-bar {
  background: var(--navy-light); border-top: 1px solid rgba(255,255,255,.06);
  padding: 0;
}
.stats-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  text-align: center;
}
.stat-item {
  padding: 36px 16px;
  border-right: 1px solid rgba(255,255,255,.06);
}
.stat-item:last-child { border-right: none; }
.stat-number { font-size: 2.2rem; font-weight: 800; color: var(--gold); margin-bottom: 4px; }
.stat-label { font-size: .85rem; color: rgba(255,255,255,.6); text-transform: uppercase; letter-spacing: .08em; font-weight: 500; }

@media (max-width: 640px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-item { border-bottom: 1px solid rgba(255,255,255,.06); }
}

/* ---------- SECTIONS ---------- */
.section { padding: 96px 0; }
.section-alt { background: var(--off-white); }
.section-dark { background: var(--navy); color: var(--white); }
.section-header { max-width: 640px; margin-bottom: 56px; }
.section-header p { color: var(--gray-600); font-size: 1.05rem; margin-top: 12px; }
.section-dark .section-header p { color: rgba(255,255,255,.65); }
.section-center { text-align: center; margin-left: auto; margin-right: auto; }

/* ---------- CARDS ---------- */
.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 28px; }
.card {
  background: var(--white); border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow-sm); transition: all var(--transition);
  border: 1px solid var(--gray-100);
}
.card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.card-img { height: 220px; overflow: hidden; }
.card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.card:hover .card-img img { transform: scale(1.04); }
.card-body { padding: 28px; }
.card-body h3 { margin-bottom: 12px; }
.card-body p { color: var(--gray-600); font-size: .95rem; }

/* ---------- ICON CARDS ---------- */
.icon-card {
  background: var(--white); border-radius: var(--radius);
  padding: 36px 28px; border: 1px solid var(--gray-100);
  transition: all var(--transition);
}
.icon-card:hover { box-shadow: var(--shadow-md); border-color: var(--blue); }
.icon-card .icon-wrap {
  width: 56px; height: 56px; border-radius: 12px;
  background: linear-gradient(135deg, var(--blue), var(--navy-light));
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px; color: var(--white); font-size: 1.4rem;
}
.icon-card h4 { margin-bottom: 10px; }
.icon-card p { color: var(--gray-600); font-size: .92rem; }

.icon-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 24px; }
.icon-grid-3 { grid-template-columns: repeat(3, 1fr); }

@media (max-width: 768px) {
  .icon-grid-3 { grid-template-columns: 1fr; }
}

/* ---------- SPLIT SECTION ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.split-img { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-lg); }
.split-img img { width: 100%; height: 100%; object-fit: cover; }

@media (max-width: 768px) {
  .split { grid-template-columns: 1fr; gap: 40px; }
}

/* ---------- FEATURES LIST ---------- */
.feature-list { display: flex; flex-direction: column; gap: 24px; }
.feature-item { display: flex; gap: 16px; }
.feature-check {
  flex-shrink: 0; width: 28px; height: 28px; border-radius: 50%;
  background: rgba(26,93,171,.1); display: flex; align-items: center; justify-content: center;
  color: var(--blue); font-size: .85rem; margin-top: 2px;
}
.feature-item h4 { margin-bottom: 4px; }
.feature-item p { color: var(--gray-600); font-size: .92rem; }

/* ---------- EQUIPMENT TABLE ---------- */
.equip-table {
  width: 100%; border-collapse: collapse; background: var(--white);
  border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm);
}
.equip-table thead { background: var(--navy); color: var(--white); }
.equip-table th { padding: 16px 20px; text-align: left; font-weight: 600; font-size: .85rem; text-transform: uppercase; letter-spacing: .06em; }
.equip-table td { padding: 16px 20px; border-bottom: 1px solid var(--gray-100); font-size: .95rem; }
.equip-table tbody tr:hover { background: var(--off-white); }

@media (max-width: 640px) {
  .equip-table th, .equip-table td { padding: 12px 14px; font-size: .85rem; }
}

/* ---------- CTA BANNER ---------- */
.cta-banner {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
  padding: 72px 0; text-align: center;
}
.cta-banner h2 { color: var(--white); margin-bottom: 16px; }
.cta-banner p { color: rgba(255,255,255,.7); font-size: 1.1rem; max-width: 560px; margin: 0 auto 32px; }

/* ---------- CONTACT FORM ---------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group.full { grid-column: 1 / -1; }
.form-group label { font-weight: 600; font-size: .85rem; color: var(--gray-800); }
.form-group input, .form-group select, .form-group textarea {
  padding: 14px 16px; border: 1px solid var(--gray-200); border-radius: 6px;
  font-size: .95rem; font-family: inherit; transition: border-color var(--transition);
  background: var(--white);
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(26,93,171,.1);
}
.form-group textarea { resize: vertical; min-height: 120px; }

@media (max-width: 640px) {
  .form-grid { grid-template-columns: 1fr; }
}

/* ---------- CONTACT INFO ---------- */
.contact-info-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.contact-card {
  background: var(--off-white); border-radius: var(--radius); padding: 32px 24px;
  text-align: center; border: 1px solid var(--gray-100);
}
.contact-card .contact-icon {
  width: 52px; height: 52px; border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), var(--navy-light));
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 16px; color: var(--white); font-size: 1.2rem;
}
.contact-card h4 { margin-bottom: 8px; }
.contact-card p { color: var(--gray-600); font-size: .92rem; }

@media (max-width: 768px) {
  .contact-info-grid { grid-template-columns: 1fr; }
}

/* ---------- MAP ---------- */
.map-wrap {
  border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-md);
  height: 400px;
}
.map-wrap iframe { width: 100%; height: 100%; border: 0; }

/* ---------- FOOTER ---------- */
.site-footer { background: var(--navy); color: rgba(255,255,255,.7); padding: 64px 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
.footer-about { max-width: 320px; }
.footer-about p { font-size: .9rem; margin-top: 16px; line-height: 1.7; }
.footer-col h4 { color: var(--white); margin-bottom: 20px; font-size: .9rem; text-transform: uppercase; letter-spacing: .1em; }
.footer-col a { display: block; padding: 5px 0; font-size: .9rem; transition: color var(--transition); }
.footer-col a:hover { color: var(--gold); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08); padding: 24px 0;
  display: flex; justify-content: space-between; align-items: center;
  font-size: .82rem;
}
.footer-social { display: flex; gap: 16px; }
.footer-social a {
  width: 36px; height: 36px; border-radius: 50%;
  background: rgba(255,255,255,.06); display: flex; align-items: center; justify-content: center;
  transition: all var(--transition); color: rgba(255,255,255,.6);
}
.footer-social a:hover { background: var(--gold); color: var(--navy); }

@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
}
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
}

/* ---------- PAGE HEADER (internal pages) ---------- */
.page-header {
  background: var(--navy); padding: 160px 0 64px;
  position: relative; overflow: hidden;
}
.page-header::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(26,93,171,.15) 0%, transparent 60%);
}
.page-header .container { position: relative; z-index: 2; }
.page-header h1 { color: var(--white); margin-bottom: 12px; }
.page-header p { color: rgba(255,255,255,.65); font-size: 1.1rem; max-width: 540px; }
.breadcrumb { display: flex; gap: 8px; align-items: center; margin-bottom: 16px; font-size: .85rem; color: rgba(255,255,255,.5); }
.breadcrumb a { color: rgba(255,255,255,.5); }
.breadcrumb a:hover { color: var(--gold); }

/* ---------- SERVICE DETAIL ---------- */
.service-detail { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.service-detail + .service-detail { margin-top: 72px; padding-top: 72px; border-top: 1px solid var(--gray-100); }
.service-text h3 { margin-bottom: 12px; }
.service-text p { color: var(--gray-600); }
.service-badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(26,93,171,.08); color: var(--blue); padding: 6px 14px;
  border-radius: 20px; font-size: .8rem; font-weight: 600; margin-bottom: 16px;
}

@media (max-width: 768px) {
  .service-detail { grid-template-columns: 1fr; }
}

/* ---------- MISC ---------- */
.text-gold { color: var(--gold); }
.text-blue { color: var(--blue); }
.mb-0 { margin-bottom: 0; }
.mt-48 { margin-top: 48px; }
.mt-64 { margin-top: 64px; }

.divider { height: 1px; background: var(--gray-100); margin: 72px 0; }

/* Smooth scroll offset for fixed header */
:target { scroll-margin-top: 100px; }