/* ============================================
   OBEC LIMITED – Main Stylesheet
   Blue & White Professional Engineering Theme
   ============================================ */

:root {
  --blue-900: #0a1628;
  --blue-800: #0d2041;
  --blue-700: #0f2d5e;
  --blue-600: #1a3f7a;
  --blue: #1e4fa0;
  --blue-light: #2563c7;
  --blue-accent: #3b82f6;
  --blue-pale: #dbeafe;
  --blue-faint: #eff6ff;
  --gold: #c9a227;
  --gold-light: #e4b94a;
  --white: #ffffff;
  --off-white: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-500: #64748b;
  --gray-700: #334155;
  --gray-900: #0f172a;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow: 0 4px 16px rgba(10,22,40,0.12);
  --shadow-lg: 0 12px 40px rgba(10,22,40,0.18);
  --shadow-xl: 0 24px 64px rgba(10,22,40,0.22);
  --radius: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --transition: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'DM Sans', sans-serif;
  --font-mono: 'DM Mono', monospace;
}

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

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

body {
  font-family: var(--font-body);
  color: var(--gray-900);
  background: var(--white);
  line-height: 1.65;
  overflow-x: hidden;
}

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

.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---- Topbar ---- */
.topbar {
  background: var(--blue-900);
  color: rgba(255,255,255,0.8);
  font-size: 0.78rem;
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
  padding: 8px 0;
}
.topbar-inner { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.topbar-left, .topbar-right { display: flex; gap: 20px; align-items: center; flex-wrap: wrap; }
.topbar span, .topbar a { display: flex; align-items: center; gap: 6px; }
.topbar a { color: rgba(255,255,255,0.75); }
.topbar a:hover { color: var(--gold-light); }
.topbar i { color: var(--gold); }

/* ---- Header ---- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: var(--white);
  box-shadow: var(--shadow);
  transition: all var(--transition);
}
.site-header.scrolled {
  box-shadow: var(--shadow-lg);
}
.header-spacer { height: 80px; }

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 74px;
}

.logo { display: flex; align-items: center; gap: 12px; }
.logo-img { height: 48px; width: auto; }
.logo-text { display: flex; flex-direction: column; }
.logo-name { font-family: var(--font-display); font-size: 1.2rem; font-weight: 700; color: var(--blue-700); line-height: 1.2; }
.logo-name strong { color: var(--blue-light); }
.logo-sub { font-size: 0.62rem; color: var(--gray-500); letter-spacing: 0.04em; text-transform: uppercase; line-height: 1.3; max-width: 180px; }

/* ---- Nav ---- */
.main-nav ul { display: flex; gap: 4px; align-items: center; }
.main-nav ul li { position: relative; }
.main-nav ul li a {
  display: flex; align-items: center; gap: 5px;
  padding: 8px 14px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--gray-700);
  border-radius: var(--radius);
  transition: all var(--transition);
}
.main-nav ul li a:hover,
.main-nav ul li a.active {
  color: var(--blue-light);
  background: var(--blue-faint);
}
.main-nav ul li a i { font-size: 0.72rem; transition: transform var(--transition); }
.main-nav ul li:hover > a i { transform: rotate(180deg); }

/* Dropdown */
.has-dropdown { position: relative; }
.dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  min-width: 220px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: all var(--transition);
  padding: 8px;
  z-index: 200;
}
.has-dropdown:hover .dropdown {
  opacity: 1; visibility: visible; pointer-events: all;
  transform: translateX(-50%) translateY(0);
}
.dropdown li a {
  padding: 10px 14px;
  font-size: 0.85rem;
  border-radius: var(--radius);
  display: flex; align-items: center; gap: 10px;
  color: var(--gray-700);
}
.dropdown li a i { color: var(--blue-light); width: 16px; }
.dropdown li a:hover { background: var(--blue-faint); color: var(--blue-light); }

/* ---- Buttons ---- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 24px;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid transparent;
  line-height: 1;
}
.btn-primary {
  background: var(--blue-light);
  color: var(--white);
  border-color: var(--blue-light);
}
.btn-primary:hover {
  background: var(--blue-700);
  border-color: var(--blue-700);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(30,79,160,0.3);
}
.btn-outline {
  background: transparent;
  color: var(--blue-light);
  border-color: var(--blue-light);
}
.btn-outline:hover { background: var(--blue-light); color: var(--white); }
.btn-white {
  background: var(--white);
  color: var(--blue-700);
  border-color: var(--white);
}
.btn-white:hover { background: var(--blue-faint); }
.btn-gold { background: var(--gold); color: var(--white); border-color: var(--gold); }
.btn-gold:hover { background: #a8841e; }
.btn-lg { padding: 15px 36px; font-size: 0.95rem; border-radius: 10px; }
.btn-sm { padding: 7px 16px; font-size: 0.8rem; }
.btn-danger { background: #dc2626; color: white; border-color: #dc2626; }
.btn-danger:hover { background: #b91c1c; }

/* Mobile menu toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.menu-toggle span { width: 24px; height: 2px; background: var(--blue-700); border-radius: 2px; transition: all var(--transition); display: block; }
.menu-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---- Hero ---- */
.hero {
  position: relative;
  min-height: 88vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--blue-900);
}
.hero-bg {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, var(--blue-900) 0%, var(--blue-800) 40%, var(--blue-700) 100%);
}
.hero-pattern {
  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;
}
.hero-glow {
  position: absolute;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(59,130,246,0.25) 0%, transparent 70%);
  right: -100px; top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
}
.hero-content {
  position: relative; z-index: 2;
  max-width: 700px;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(201,162,39,0.15);
  border: 1px solid rgba(201,162,39,0.4);
  color: var(--gold-light);
  padding: 7px 16px;
  border-radius: 100px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 28px;
}
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 900;
  color: var(--white);
  line-height: 1.15;
  margin-bottom: 24px;
}
.hero h1 em { color: var(--blue-accent); font-style: normal; }
.hero p {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.75);
  margin-bottom: 40px;
  max-width: 560px;
  line-height: 1.75;
}
.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 60px;
  padding-top: 40px;
  border-top: 1px solid rgba(255,255,255,0.1);
  flex-wrap: wrap;
}
.hero-stat-num {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--white);
  display: block;
}
.hero-stat-label {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.55);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ---- Section Titles ---- */
.section { padding: 96px 0; }
.section-alt { background: var(--off-white); }
.section-blue { background: var(--blue-900); color: var(--white); }

.section-tag {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue-light);
  margin-bottom: 14px;
}
.section-tag::before {
  content: '';
  width: 28px; height: 2px;
  background: var(--blue-light);
  border-radius: 2px;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 700;
  line-height: 1.25;
  color: var(--gray-900);
  margin-bottom: 16px;
}
.section-blue .section-title { color: var(--white); }
.section-blue .section-tag { color: var(--gold-light); }
.section-blue .section-tag::before { background: var(--gold-light); }
.section-sub {
  font-size: 1.05rem;
  color: var(--gray-500);
  max-width: 560px;
  line-height: 1.7;
}
.section-blue .section-sub { color: rgba(255,255,255,0.6); }
.text-center { text-align: center; }
.text-center .section-tag { justify-content: center; }
.text-center .section-sub { margin: 0 auto; }

/* ---- Services Grid ---- */
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; margin-top: 56px; }
.service-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--blue-light), var(--blue-accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}
.service-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); border-color: var(--blue-pale); }
.service-card:hover::before { transform: scaleX(1); }
.service-icon {
  width: 56px; height: 56px;
  background: var(--blue-faint);
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
  font-size: 1.4rem;
  color: var(--blue-light);
  transition: all var(--transition);
}
.service-card:hover .service-icon { background: var(--blue-light); color: var(--white); }
.service-card h3 { font-family: var(--font-display); font-size: 1.15rem; font-weight: 700; margin-bottom: 10px; color: var(--gray-900); }
.service-card p { font-size: 0.9rem; color: var(--gray-500); line-height: 1.65; }

/* ---- Project Cards ---- */
.projects-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 28px; margin-top: 56px; }
.project-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  transition: all var(--transition);
}
.project-card:hover { box-shadow: var(--shadow-xl); transform: translateY(-6px); }
.project-thumb {
  position: relative;
  height: 220px;
  background: linear-gradient(135deg, var(--blue-800), var(--blue-600));
  overflow: hidden;
}
.project-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.project-card:hover .project-thumb img { transform: scale(1.05); }
.project-thumb-placeholder {
  width: 100%; height: 100%;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  color: rgba(255,255,255,0.5);
  gap: 12px;
}
.project-thumb-placeholder i { font-size: 3rem; color: rgba(255,255,255,0.3); }
.project-cat-badge {
  position: absolute; top: 14px; left: 14px;
  background: rgba(255,255,255,0.95);
  color: var(--blue-light);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 5px 12px;
  border-radius: 100px;
}
.project-body { padding: 24px; }
.project-body h3 { font-family: var(--font-display); font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; color: var(--gray-900); }
.project-body p { font-size: 0.88rem; color: var(--gray-500); line-height: 1.6; margin-bottom: 16px; }
.project-meta { display: flex; gap: 16px; flex-wrap: wrap; }
.project-meta span { font-size: 0.78rem; color: var(--gray-500); display: flex; align-items: center; gap: 5px; }
.project-meta i { color: var(--blue-accent); }

/* ---- Why Choose Us ---- */
.why-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.why-img { position: relative; border-radius: var(--radius-xl); overflow: hidden; }
.why-img-placeholder {
  height: 480px;
  background: linear-gradient(135deg, var(--blue-800), var(--blue-600));
  border-radius: var(--radius-xl);
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,0.3);
  font-size: 5rem;
}
.why-badge {
  position: absolute; bottom: 28px; right: 28px;
  background: var(--white);
  padding: 20px 24px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  text-align: center;
}
.why-badge-num { font-family: var(--font-display); font-size: 2rem; font-weight: 900; color: var(--blue-light); display: block; }
.why-badge-label { font-size: 0.78rem; color: var(--gray-500); text-transform: uppercase; letter-spacing: 0.06em; }
.why-list { margin-top: 36px; display: flex; flex-direction: column; gap: 20px; }
.why-item { display: flex; gap: 16px; align-items: flex-start; }
.why-item-icon {
  width: 44px; height: 44px; flex-shrink: 0;
  background: var(--blue-faint);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: var(--blue-light); font-size: 1rem;
}
.why-item h4 { font-weight: 600; font-size: 0.95rem; margin-bottom: 4px; }
.why-item p { font-size: 0.87rem; color: var(--gray-500); line-height: 1.6; }

/* ---- CTA Banner ---- */
.cta-banner {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--blue-800), var(--blue-600));
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute; inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.cta-banner h2 { font-family: var(--font-display); font-size: clamp(1.8rem, 3vw, 2.6rem); color: var(--white); margin-bottom: 16px; position: relative; }
.cta-banner p { font-size: 1.05rem; color: rgba(255,255,255,0.75); margin-bottom: 36px; position: relative; }
.cta-banner .btn { position: relative; }

/* ---- Contact Form ---- */
.contact-layout { display: grid; grid-template-columns: 1fr 1.5fr; gap: 60px; align-items: start; }
.contact-info-item { display: flex; gap: 16px; align-items: flex-start; margin-bottom: 28px; }
.contact-info-icon {
  width: 48px; height: 48px; flex-shrink: 0;
  background: var(--blue-faint);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  color: var(--blue-light); font-size: 1.1rem;
}
.contact-info-item h4 { font-weight: 600; margin-bottom: 4px; }
.contact-info-item p, .contact-info-item a { font-size: 0.9rem; color: var(--gray-500); }
.contact-info-item a:hover { color: var(--blue-light); }

.form-group { margin-bottom: 20px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
label { display: block; font-size: 0.84rem; font-weight: 600; color: var(--gray-700); margin-bottom: 7px; }
input, textarea, select {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--gray-900);
  background: var(--white);
  transition: all var(--transition);
  outline: none;
}
input:focus, textarea:focus, select:focus {
  border-color: var(--blue-accent);
  box-shadow: 0 0 0 3px rgba(59,130,246,0.12);
}
textarea { resize: vertical; min-height: 130px; }
.form-submit { margin-top: 8px; }

/* ---- Alerts ---- */
.alert {
  padding: 14px 20px;
  border-radius: var(--radius);
  margin-bottom: 20px;
  font-size: 0.9rem;
  display: flex; align-items: center; gap: 10px;
}
.alert-success { background: #dcfce7; color: #166534; border: 1px solid #bbf7d0; }
.alert-error { background: #fee2e2; color: #991b1b; border: 1px solid #fecaca; }

/* ---- Gallery Page ---- */
.gallery-filters {
  display: flex; gap: 12px; flex-wrap: wrap;
  margin-bottom: 40px;
}
.filter-btn {
  padding: 9px 22px;
  border-radius: 100px;
  border: 1.5px solid var(--gray-200);
  background: var(--white);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  color: var(--gray-700);
}
.filter-btn.active, .filter-btn:hover {
  background: var(--blue-light);
  border-color: var(--blue-light);
  color: var(--white);
}

/* ---- About Page ---- */
.team-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 28px; margin-top: 48px; }
.team-card { background: var(--white); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-sm); border: 1px solid var(--gray-200); text-align: center; transition: all var(--transition); }
.team-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.team-avatar { height: 220px; background: linear-gradient(135deg, var(--blue-700), var(--blue-500)); display: flex; align-items: center; justify-content: center; }
.team-avatar i { font-size: 4rem; color: rgba(255,255,255,0.5); }
.team-info { padding: 24px; }
.team-info h3 { font-family: var(--font-display); font-size: 1.05rem; font-weight: 700; margin-bottom: 4px; }
.team-info p { font-size: 0.85rem; color: var(--blue-light); font-weight: 500; margin-bottom: 10px; }
.team-info span { font-size: 0.82rem; color: var(--gray-500); }

/* ---- Stats Bar ---- */
.stats-bar { background: var(--blue-900); padding: 56px 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px; text-align: center; }
.stat-num { font-family: var(--font-display); font-size: 2.8rem; font-weight: 900; color: var(--white); display: block; line-height: 1; }
.stat-label { font-size: 0.82rem; color: rgba(255,255,255,0.5); text-transform: uppercase; letter-spacing: 0.08em; margin-top: 8px; display: block; }

/* ---- Page Hero ---- */
.page-hero {
  background: linear-gradient(135deg, var(--blue-900) 0%, var(--blue-700) 100%);
  padding: 72px 0 60px;
  position: relative; overflow: hidden;
}
.page-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;
}
.page-hero-content { position: relative; z-index: 2; }
.page-hero h1 { font-family: var(--font-display); font-size: clamp(1.8rem, 4vw, 3rem); color: var(--white); font-weight: 900; margin-bottom: 12px; }
.page-hero p { color: rgba(255,255,255,0.7); font-size: 1rem; }
.breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 0.82rem; color: rgba(255,255,255,0.5); margin-bottom: 16px; }
.breadcrumb a { color: rgba(255,255,255,0.6); }
.breadcrumb a:hover { color: var(--gold-light); }
.breadcrumb i { font-size: 0.6rem; }

/* ---- Footer ---- */
.site-footer { background: var(--blue-900); color: rgba(255,255,255,0.7); }
.footer-top { padding: 72px 0 48px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 48px; }
.footer-logo { height: 52px; margin-bottom: 16px; }
.footer-brand p { font-size: 0.88rem; line-height: 1.75; color: rgba(255,255,255,0.55); margin-bottom: 24px; }
.social-links { display: flex; gap: 10px; }
.social-links a {
  width: 38px; height: 38px;
  border-radius: 10px;
  background: rgba(255,255,255,0.08);
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,0.6);
  font-size: 0.85rem;
  transition: all var(--transition);
}
.social-links a:hover { background: var(--blue-light); color: var(--white); }
.footer-col h4 { font-family: var(--font-display); font-size: 1rem; font-weight: 700; color: var(--white); margin-bottom: 20px; position: relative; padding-bottom: 12px; }
.footer-col h4::after { content: ''; position: absolute; bottom: 0; left: 0; width: 32px; height: 2px; background: var(--gold); border-radius: 2px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { font-size: 0.87rem; color: rgba(255,255,255,0.55); display: flex; align-items: center; gap: 8px; transition: color var(--transition); }
.footer-col ul li a i { font-size: 0.7rem; color: var(--gold); }
.footer-col ul li a:hover { color: var(--white); }
.contact-list li { display: flex; gap: 12px; align-items: flex-start; font-size: 0.87rem; color: rgba(255,255,255,0.55); margin-bottom: 12px; }
.contact-list i { color: var(--gold); margin-top: 2px; width: 16px; flex-shrink: 0; }
.contact-list a { color: rgba(255,255,255,0.55); }
.contact-list a:hover { color: var(--white); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding: 20px 0; }
.footer-bottom-inner { display: flex; justify-content: space-between; align-items: center; font-size: 0.82rem; }
.admin-link { color: rgba(255,255,255,0.3); display: flex; align-items: center; gap: 6px; font-size: 0.78rem; transition: color var(--transition); }
.admin-link:hover { color: var(--gold-light); }

/* ---- Empty State ---- */
.empty-state { text-align: center; padding: 80px 40px; }
.empty-state i { font-size: 3.5rem; color: var(--gray-300); margin-bottom: 20px; display: block; }
.empty-state h3 { font-family: var(--font-display); font-size: 1.3rem; color: var(--gray-500); margin-bottom: 8px; }
.empty-state p { font-size: 0.9rem; color: var(--gray-300); }

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .why-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .main-nav { position: fixed; top: 0; right: 0; height: 100vh; width: 280px; background: var(--white); box-shadow: var(--shadow-xl); transform: translateX(100%); transition: transform var(--transition); z-index: 999; padding: 80px 24px 40px; flex-direction: column; display: flex; }
  .main-nav.open { transform: translateX(0); }
  .main-nav ul { flex-direction: column; gap: 4px; }
  .main-nav ul li a { padding: 12px 14px; font-size: 0.95rem; }
  .dropdown { position: static; transform: none; opacity: 1; visibility: visible; pointer-events: all; box-shadow: none; border: none; background: var(--blue-faint); margin-top: 4px; display: none; }
  .has-dropdown.open .dropdown { display: block; }
  .menu-toggle { display: flex; z-index: 1001; position: relative; }
  .nav-cta { display: none; }
  .contact-layout { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero { min-height: 100vh; }
  .topbar-left { display: none; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .hero-stats { gap: 24px; }
  .projects-grid { grid-template-columns: 1fr; }
}

/* ============================================
   TESTIMONIALS
   ============================================ */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
  margin-top: 56px;
}
.testimonial-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  position: relative;
  transition: all var(--transition);
}
.testimonial-card:hover {
  background: rgba(255,255,255,0.1);
  transform: translateY(-4px);
  border-color: rgba(255,255,255,0.2);
}
.testimonial-stars { display: flex; gap: 4px; margin-bottom: 16px; font-size: 0.85rem; }
.testimonial-text {
  font-size: 0.92rem;
  line-height: 1.8;
  color: rgba(255,255,255,0.8);
  margin-bottom: 24px;
  font-style: italic;
}
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.testimonial-avatar {
  width: 44px; height: 44px;
  background: var(--blue-light);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
  flex-shrink: 0;
}
.testimonial-info strong { display: block; font-size: 0.9rem; color: var(--white); font-weight: 600; }
.testimonial-info span { font-size: 0.78rem; color: rgba(255,255,255,0.5); }
.testimonial-quote-icon {
  position: absolute;
  bottom: 20px; right: 24px;
  font-size: 2rem;
  color: rgba(255,255,255,0.06);
}

/* ============================================
   PROJECT DETAIL PAGE
   ============================================ */
.project-detail-layout {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 56px;
  align-items: start;
}

/* Gallery Column */
.project-gallery-col { position: sticky; top: 100px; }

.main-image-wrap {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--blue-900);
  aspect-ratio: 4/3;
  cursor: zoom-in;
}
.main-img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}
.main-image-wrap:hover .main-img { transform: scale(1.02); }

.gallery-placeholder-large {
  width: 100%; height: 100%;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  color: rgba(255,255,255,0.25);
  gap: 16px;
  font-size: 0.9rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.gallery-placeholder-large i { font-size: 4rem; color: rgba(255,255,255,0.15); }

.main-img-caption {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  background: linear-gradient(transparent, rgba(0,0,0,0.7));
  color: rgba(255,255,255,0.9);
  padding: 32px 16px 14px;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-weight: 600;
}

.lightbox-btn {
  position: absolute;
  top: 14px; right: 14px;
  background: rgba(0,0,0,0.5);
  color: white;
  border: none;
  border-radius: 8px;
  width: 38px; height: 38px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: all var(--transition);
  font-size: 0.9rem;
  backdrop-filter: blur(4px);
}
.lightbox-btn:hover { background: var(--blue-light); }

.img-nav-btn {
  position: absolute;
  top: 50%; transform: translateY(-50%);
  background: rgba(255,255,255,0.15);
  color: white;
  border: none;
  border-radius: 8px;
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: all var(--transition);
  backdrop-filter: blur(4px);
  font-size: 0.9rem;
}
.img-nav-btn:hover { background: var(--blue-light); }
.img-nav-btn.prev { left: 10px; }
.img-nav-btn.next { right: 10px; }

/* Thumbnail Strip */
.thumb-strip {
  display: flex;
  gap: 10px;
  margin-top: 14px;
  overflow-x: auto;
  padding-bottom: 6px;
  scrollbar-width: thin;
}
.thumb-strip::-webkit-scrollbar { height: 4px; }
.thumb-strip::-webkit-scrollbar-track { background: var(--gray-100); border-radius: 2px; }
.thumb-strip::-webkit-scrollbar-thumb { background: var(--blue-light); border-radius: 2px; }

.thumb-item {
  flex-shrink: 0;
  width: 90px;
  cursor: pointer;
  border-radius: 10px;
  overflow: hidden;
  border: 2.5px solid transparent;
  transition: all var(--transition);
  position: relative;
}
.thumb-item.active { border-color: var(--blue-light); }
.thumb-item:hover { border-color: var(--blue-accent); }
.thumb-item img { width: 90px; height: 66px; object-fit: cover; display: block; }
.thumb-placeholder-small {
  width: 90px; height: 66px;
  background: linear-gradient(135deg, var(--blue-800), var(--blue-600));
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,0.4); font-size: 1rem;
}
.thumb-item span {
  display: block;
  font-size: 0.65rem;
  text-align: center;
  padding: 4px 4px;
  background: var(--gray-100);
  color: var(--gray-500);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.thumb-item.active span { background: var(--blue-faint); color: var(--blue-light); }

/* Hover overlay on gallery card thumbs */
.project-thumb-overlay {
  position: absolute;
  inset: 0;
  background: rgba(10,22,40,0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: white;
  font-size: 0.88rem;
  font-weight: 600;
  opacity: 0;
  transition: opacity var(--transition);
  letter-spacing: 0.04em;
}
.project-card:hover .project-thumb-overlay { opacity: 1; }

/* Project Info Column */
.project-detail-badge { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 16px; }
.project-detail-title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 900;
  color: var(--gray-900);
  line-height: 1.2;
  margin-bottom: 20px;
}
.project-detail-desc {
  font-size: 0.97rem;
  color: var(--gray-500);
  line-height: 1.85;
  margin-bottom: 32px;
}

/* Project Specs */
.project-specs {
  background: var(--off-white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 28px;
}
.project-specs h3 {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--blue-700);
  margin-bottom: 16px;
  display: flex; align-items: center; gap: 8px;
}
.project-specs h3 i { color: var(--blue-light); }
.specs-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.spec-item { display: flex; flex-direction: column; gap: 3px; }
.spec-label {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gray-500);
  display: flex; align-items: center; gap: 6px;
}
.spec-label i { color: var(--blue-accent); width: 12px; }
.spec-value { font-size: 0.9rem; font-weight: 600; color: var(--gray-900); }

.project-detail-cta { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 20px; }
.back-link {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.85rem;
  color: var(--gray-500);
  transition: color var(--transition);
}
.back-link:hover { color: var(--blue-light); }

/* ============================================
   LIGHTBOX
   ============================================ */
.lightbox-overlay {
  position: fixed; inset: 0;
  background: rgba(5, 10, 20, 0.96);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}
.lightbox-overlay.open { opacity: 1; visibility: visible; }

.lightbox-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 90vw;
  max-height: 90vh;
}
.lightbox-img-wrap {
  max-width: 85vw;
  max-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.lightbox-img-wrap img {
  max-width: 85vw;
  max-height: 78vh;
  object-fit: contain;
  border-radius: var(--radius-lg);
  box-shadow: 0 32px 80px rgba(0,0,0,0.5);
}
.lightbox-caption {
  margin-top: 16px;
  color: rgba(255,255,255,0.7);
  font-size: 0.88rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
}
.lightbox-counter {
  margin-top: 6px;
  color: rgba(255,255,255,0.35);
  font-family: var(--font-mono);
  font-size: 0.78rem;
}
.lightbox-close {
  position: fixed; top: 20px; right: 24px;
  background: rgba(255,255,255,0.1);
  border: none;
  color: white;
  width: 44px; height: 44px;
  border-radius: 50%;
  font-size: 1.1rem;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition);
  z-index: 10000;
}
.lightbox-close:hover { background: #dc2626; }
.lightbox-nav {
  position: fixed;
  top: 50%; transform: translateY(-50%);
  background: rgba(255,255,255,0.1);
  border: none; color: white;
  width: 52px; height: 52px;
  border-radius: 50%;
  font-size: 1.1rem;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition);
  z-index: 10000;
}
.lightbox-nav:hover { background: var(--blue-light); }
.lightbox-prev { left: 16px; }
.lightbox-next { right: 16px; }

/* ============================================
   WHATSAPP FLOATING BUTTON
   ============================================ */
.whatsapp-float {
  position: fixed;
  bottom: 28px; right: 28px;
  width: 60px; height: 60px;
  background: #25D366;
  color: white;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.8rem;
  z-index: 999;
  box-shadow: 0 6px 24px rgba(37,211,102,0.4);
  transition: all var(--transition);
  text-decoration: none;
}
.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 10px 32px rgba(37,211,102,0.55);
  color: white;
}
.whatsapp-float::before {
  content: '';
  position: absolute;
  width: 100%; height: 100%;
  background: #25D366;
  border-radius: 50%;
  animation: wa-pulse 2s ease-out infinite;
  z-index: -1;
}
@keyframes wa-pulse {
  0% { transform: scale(1); opacity: 0.7; }
  100% { transform: scale(1.7); opacity: 0; }
}
.whatsapp-tooltip {
  position: absolute;
  right: 72px;
  background: var(--gray-900);
  color: white;
  padding: 7px 14px;
  border-radius: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
  font-family: var(--font-body);
}
.whatsapp-tooltip::after {
  content: '';
  position: absolute;
  right: -6px; top: 50%;
  transform: translateY(-50%);
  border: 6px solid transparent;
  border-right: none;
  border-left-color: var(--gray-900);
}
.whatsapp-float:hover .whatsapp-tooltip { opacity: 1; }

/* ============================================
   RESPONSIVE UPDATES
   ============================================ */
@media (max-width: 1024px) {
  .project-detail-layout { grid-template-columns: 1fr; }
  .project-gallery-col { position: static; }
  .specs-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .testimonials-grid { grid-template-columns: 1fr; }
  .specs-grid { grid-template-columns: 1fr; }
  .lightbox-nav { width: 40px; height: 40px; font-size: 0.9rem; }
  .lightbox-prev { left: 6px; }
  .lightbox-next { right: 6px; }
  .whatsapp-float { width: 52px; height: 52px; font-size: 1.5rem; bottom: 20px; right: 20px; }
}

/* ============================================
   HERO SLIDER
   ============================================ */
.hero-slider {
  position: relative;
  height: 92vh;
  min-height: 580px;
  overflow: hidden;
  background: var(--blue-900);
}
.hero-slide {
  position: absolute; inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 1s ease;
  display: flex;
  align-items: center;
}
.hero-slide.active { opacity: 1; z-index: 1; }
.slide-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(120deg, rgba(9,18,37,0.88) 0%, rgba(10,22,40,0.65) 60%, rgba(10,22,40,0.3) 100%);
}
.slide-pattern {
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 60px 60px;
}
.slide-content {
  position: relative; z-index: 2;
  padding-top: 40px;
  padding-bottom: 120px;
  max-width: 780px;
  animation: slideIn 0.9s ease both;
}
.hero-slide:not(.active) .slide-content { animation: none; }
@keyframes slideIn {
  from { opacity:0; transform: translateY(28px); }
  to   { opacity:1; transform: translateY(0); }
}
.slide-content .hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(201,162,39,0.18);
  border: 1px solid rgba(201,162,39,0.45);
  color: var(--gold-light);
  padding: 7px 18px;
  border-radius: 100px;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 24px;
}
.slide-content h1 {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 4rem);
  font-weight: 900;
  color: var(--white);
  line-height: 1.15;
  margin-bottom: 20px;
}
.slide-content h1 em { color: var(--blue-accent); font-style: normal; }
.slide-content p {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.75);
  line-height: 1.75;
  margin-bottom: 36px;
  max-width: 560px;
}
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }

/* Prev/Next */
.slider-btn {
  position: absolute; top: 50%; transform: translateY(-50%);
  z-index: 10;
  background: rgba(255,255,255,0.12);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(255,255,255,0.2);
  color: white;
  width: 52px; height: 52px;
  border-radius: 50%;
  font-size: 1rem;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition);
}
.slider-btn:hover { background: var(--blue-light); border-color: var(--blue-light); }
.slider-prev { left: 24px; }
.slider-next { right: 24px; }

/* Dots */
.slider-dots {
  position: absolute; bottom: 88px; left: 50%;
  transform: translateX(-50%);
  display: flex; gap: 10px;
  z-index: 10;
}
.slider-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,0.3);
  border: none; cursor: pointer;
  transition: all var(--transition);
  padding: 0;
}
.slider-dot.active {
  background: var(--white);
  width: 28px;
  border-radius: 5px;
}

/* Progress bar */
.slider-progress {
  position: absolute; bottom: 0; left: 0; right: 0;
  height: 3px;
  background: rgba(255,255,255,0.1);
  z-index: 10;
}
.slider-progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--blue-accent), var(--gold-light));
  width: 0%;
  transition: width 0.1s linear;
}

/* Hero Stats Bar (bottom of slider) */
.hero-stats-bar {
  position: absolute; bottom: 0; left: 0; right: 0;
  background: rgba(9,18,37,0.75);
  backdrop-filter: blur(12px);
  border-top: 1px solid rgba(255,255,255,0.08);
  z-index: 5;
  padding: 14px 0;
}
.hero-stats-inner {
  display: flex; align-items: center;
  gap: 0; flex-wrap: wrap;
}
.hero-stat-item {
  flex: 1; min-width: 120px;
  text-align: center;
  padding: 6px 12px;
}
.hero-stat-num {
  display: block;
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 900;
  color: var(--white);
  line-height: 1;
}
.hero-stat-lbl {
  display: block;
  font-size: 0.7rem;
  color: rgba(255,255,255,0.5);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 4px;
}
.hero-stat-divider {
  width: 1px; height: 36px;
  background: rgba(255,255,255,0.12);
  flex-shrink: 0;
}

/* ============================================
   MARQUEE SCROLLING BANNER
   ============================================ */
.marquee-banner {
  background: var(--blue-light);
  overflow: hidden;
  padding: 12px 0;
  position: relative;
}
.marquee-banner::before,
.marquee-banner::after {
  content: '';
  position: absolute; top: 0; bottom: 0; width: 80px;
  z-index: 2;
}
.marquee-banner::before { left: 0; background: linear-gradient(90deg, var(--blue-light), transparent); }
.marquee-banner::after  { right: 0; background: linear-gradient(270deg, var(--blue-light), transparent); }

.marquee-track {
  display: flex; gap: 0;
  white-space: nowrap;
  animation: marqueeScroll 32s linear infinite;
  width: max-content;
}
.marquee-track span {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 0 32px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.9);
  border-right: 1px solid rgba(255,255,255,0.2);
}
.marquee-track span i { color: var(--gold-light); font-size: 0.75rem; }
.marquee-banner:hover .marquee-track { animation-play-state: paused; }
@keyframes marqueeScroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ============================================
   CATEGORY BANDS
   ============================================ */
.cat-band {
  position: relative;
  height: 280px;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: flex-end;
  text-decoration: none;
  transition: transform var(--transition), box-shadow var(--transition);
}
.cat-band:hover { transform: translateY(-5px); box-shadow: var(--shadow-xl); }
.cat-band-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(0deg, rgba(9,18,37,0.88) 0%, rgba(9,18,37,0.4) 60%, transparent 100%);
  transition: background var(--transition);
}
.cat-band:hover .cat-band-overlay {
  background: linear-gradient(0deg, rgba(9,18,37,0.92) 0%, rgba(30,79,160,0.5) 60%, transparent 100%);
}
.cat-band-content {
  position: relative; z-index: 2;
  padding: 28px;
  width: 100%;
}
.cat-band-content i { font-size: 2rem; color: var(--gold-light); margin-bottom: 10px; display: block; }
.cat-band-content h3 {
  font-family: var(--font-display);
  font-size: 1.5rem; font-weight: 700;
  color: var(--white); margin-bottom: 4px;
}
.cat-band-content p { color: rgba(255,255,255,0.6); font-size: 0.88rem; margin-bottom: 16px; }

/* ============================================
   TESTIMONIALS SLIDER
   ============================================ */
.testimonials-slider { position: relative; margin-top: 52px; overflow: hidden; }
.testimonials-track {
  display: flex;
  transition: transform 0.45s cubic-bezier(0.4,0,0.2,1);
}
.testimonials-track .testimonial-card {
  flex: 0 0 calc(33.333% - 16px);
  margin-right: 24px;
}
.testimonials-nav {
  display: flex; justify-content: center; gap: 12px;
  margin-top: 28px;
}
.t-nav-btn {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  color: white;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.9rem;
  transition: all var(--transition);
}
.t-nav-btn:hover { background: var(--blue-light); border-color: var(--blue-light); }

/* Responsive fixes */
@media (max-width: 1024px) {
  .testimonials-track .testimonial-card { flex: 0 0 calc(50% - 12px); }
}
@media (max-width: 640px) {
  .testimonials-track .testimonial-card { flex: 0 0 calc(100%); margin-right: 24px; }
  .cat-band { height: 220px; }
  .hero-slider { height: 100vh; }
  .slider-btn { width: 40px; height: 40px; font-size: 0.85rem; }
  .slider-prev { left: 12px; }
  .slider-next { right: 12px; }
  .hero-stat-divider { display: none; }
  .hero-stats-inner { gap: 0; }
  .hero-stat-item { min-width: 80px; }
  .hero-stat-num { font-size: 1.2rem; }
  [style*="grid-template-columns:1fr 1fr"] { grid-template-columns: 1fr !important; }
}