/* ============================================
   BEST WAY AIR DUCT CLEANING
   Global Design System
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Outfit:wght@400;600;700;800&display=swap');

/* ============ CSS VARIABLES ============ */
:root {
  --primary: #0ea5e9;
  --primary-dark: #0284c7;
  --primary-light: #38bdf8;
  --secondary: #06b6d4;
  --accent: #22d3ee;
  --gold: #f59e0b;

  --bg-dark: #060d1a;
  --bg-card: rgba(14, 165, 233, 0.06);
  --bg-glass: rgba(255, 255, 255, 0.04);
  --bg-section: #0b1629;
  --bg-surface: #0f1e35;

  --text-primary: #f0f9ff;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-white: #ffffff;

  --border: rgba(14, 165, 233, 0.15);
  --border-bright: rgba(14, 165, 233, 0.4);

  --gradient-primary: linear-gradient(135deg, #0ea5e9 0%, #06b6d4 50%, #0284c7 100%);
  --gradient-hero: linear-gradient(135deg, #060d1a 0%, #0b1629 40%, #0c2048 100%);
  --gradient-card: linear-gradient(135deg, rgba(14,165,233,0.1) 0%, rgba(6,182,212,0.05) 100%);
  --gradient-glow: radial-gradient(ellipse at center, rgba(14,165,233,0.15) 0%, transparent 70%);

  --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
  --shadow-md: 0 8px 30px rgba(0,0,0,0.4);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 40px rgba(14,165,233,0.3);
  --shadow-blue: 0 8px 32px rgba(14,165,233,0.25);

  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-full: 9999px;

  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);

  --font-body: 'Inter', sans-serif;
  --font-heading: 'Outfit', sans-serif;

  --max-width: 1280px;
  --header-height: 80px;
}

/* ============ RESET & BASE ============ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background:
    radial-gradient(ellipse at 20% 20%, rgba(14,165,233,0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 80%, rgba(6,182,212,0.06) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

img { max-width: 100%; display: block; }
a { color: var(--primary-light); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--accent); }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: var(--font-body); }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-white);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); font-weight: 800; }
h2 { font-size: clamp(1.75rem, 4vw, 2.75rem); font-weight: 700; }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.75rem); font-weight: 600; }
h4 { font-size: 1.25rem; font-weight: 600; }
h5 { font-size: 1.1rem; font-weight: 600; }

p { color: var(--text-secondary); margin-bottom: 1rem; }
p:last-child { margin-bottom: 0; }

/* ============ LAYOUT ============ */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
  position: relative;
  z-index: 1;
}

.section-sm { padding: 60px 0; }
.section-dark { background: var(--bg-section); }
.section-surface { background: var(--bg-surface); }

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.grid-auto { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }

/* ============ TYPOGRAPHY UTILITIES ============ */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.text-primary { color: var(--primary-light); }
.text-muted { color: var(--text-muted); }

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(14,165,233,0.1);
  border: 1px solid rgba(14,165,233,0.3);
  border-radius: var(--radius-full);
  padding: 6px 18px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--primary-light);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.section-title {
  margin-bottom: 16px;
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 620px;
  margin: 0 auto 48px;
}

/* ============ HEADER / NAVIGATION ============ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  display: flex;
  align-items: center;
  transition: var(--transition);
}

.header.scrolled {
  background: rgba(6, 13, 26, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-md);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.logo-icon {
  width: 44px;
  height: 44px;
  background: var(--gradient-primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  box-shadow: var(--shadow-blue);
  flex-shrink: 0;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.logo-name {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-white);
  white-space: nowrap;
}

.logo-tagline {
  font-size: 0.65rem;
  color: var(--primary-light);
  font-weight: 500;
  letter-spacing: 0.05em;
}

.nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  white-space: nowrap;
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-white);
  background: rgba(14,165,233,0.1);
}

.nav-dropdown {
  position: relative;
}

.nav-dropdown-menu {
  position: absolute;
  top: calc(100% + 12px);
  left: 50%;
  transform: translateX(-50%) translateY(-8px);
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 12px;
  min-width: 240px;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 100;
}

.nav-dropdown:hover .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.nav-dropdown-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  transition: var(--transition);
}

.nav-dropdown-item:hover {
  background: rgba(14,165,233,0.1);
  color: var(--text-white);
}

.nav-dropdown-item .icon {
  font-size: 1.1rem;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(14,165,233,0.1);
  border-radius: 8px;
  flex-shrink: 0;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.header-phone {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  transition: var(--transition);
}

.header-phone:hover {
  color: var(--primary-light);
  border-color: var(--border-bright);
  background: rgba(14,165,233,0.08);
}

/* ============ BUTTONS ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-full);
  font-size: 0.95rem;
  font-weight: 600;
  font-family: var(--font-body);
  transition: var(--transition);
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: var(--shadow-blue);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(14,165,233,0.4);
  color: white;
}

.btn-secondary {
  background: rgba(14,165,233,0.1);
  color: var(--primary-light);
  border: 1px solid rgba(14,165,233,0.3);
}

.btn-secondary:hover {
  background: rgba(14,165,233,0.2);
  border-color: var(--primary);
  transform: translateY(-2px);
  color: var(--primary-light);
}

.btn-outline {
  background: transparent;
  color: var(--text-white);
  border: 1px solid rgba(255,255,255,0.2);
}

.btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.4);
  color: var(--text-white);
}

.btn-lg {
  padding: 16px 36px;
  font-size: 1.05rem;
}

.btn-sm {
  padding: 8px 20px;
  font-size: 0.85rem;
}

.btn-icon {
  width: 48px;
  height: 48px;
  padding: 0;
  border-radius: 50%;
}

/* ============ CARDS ============ */
.card {
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(14,165,233,0.5), transparent);
  opacity: 0;
  transition: var(--transition);
}

.card:hover {
  border-color: var(--border-bright);
  background: rgba(14,165,233,0.08);
  transform: translateY(-4px);
  box-shadow: var(--shadow-blue);
}

.card:hover::before {
  opacity: 1;
}

.card-icon {
  width: 64px;
  height: 64px;
  background: var(--gradient-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  margin-bottom: 24px;
  box-shadow: var(--shadow-blue);
}

.card-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-white);
}

.card-text {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ============ HERO ============ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
  padding-top: var(--header-height);
}

.hero-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.4;
  animation: float 8s ease-in-out infinite;
}

.hero-orb-1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(14,165,233,0.4) 0%, transparent 70%);
  top: -200px;
  right: -100px;
}

.hero-orb-2 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(6,182,212,0.3) 0%, transparent 70%);
  bottom: -100px;
  left: -100px;
  animation-delay: -4s;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(14,165,233,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(14,165,233,0.05) 1px, transparent 1px);
  background-size: 60px 60px;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 700px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(14,165,233,0.15);
  border: 1px solid rgba(14,165,233,0.3);
  border-radius: var(--radius-full);
  padding: 8px 20px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--primary-light);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 28px;
  animation: fadeInDown 0.6s ease both;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 900;
  line-height: 1.05;
  margin-bottom: 24px;
  animation: fadeInUp 0.7s ease 0.1s both;
}

.hero-desc {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 40px;
  max-width: 580px;
  animation: fadeInUp 0.7s ease 0.2s both;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  animation: fadeInUp 0.7s ease 0.3s both;
}

.hero-stats {
  display: flex;
  gap: 48px;
  margin-top: 60px;
  padding-top: 40px;
  border-top: 1px solid var(--border);
  animation: fadeInUp 0.7s ease 0.4s both;
}

.hero-stat-number {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--text-white);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 6px;
}

.hero-stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* ============ TRUST BAR ============ */
.trust-bar {
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 20px 0;
  overflow: hidden;
}

.trust-bar-inner {
  display: flex;
  align-items: center;
  gap: 48px;
  animation: scrollX 30s linear infinite;
  white-space: nowrap;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  flex-shrink: 0;
}

.trust-item .icon {
  font-size: 1.2rem;
  color: var(--primary-light);
}

/* ============ FAQ SECTION ============ */
.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 12px;
  transition: var(--transition);
  background: var(--bg-glass);
}

.faq-item:hover {
  border-color: var(--border-bright);
}

.faq-item.active {
  border-color: var(--primary);
  background: rgba(14,165,233,0.05);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 28px;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-white);
  gap: 16px;
  transition: var(--transition);
}

.faq-question:hover {
  color: var(--primary-light);
}

.faq-arrow {
  width: 32px;
  height: 32px;
  background: rgba(14,165,233,0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: var(--transition);
  color: var(--primary-light);
  font-size: 1rem;
}

.faq-item.active .faq-arrow {
  background: var(--primary);
  color: white;
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
}

.faq-answer-inner {
  padding: 0 28px 24px;
  color: var(--text-secondary);
  line-height: 1.8;
  font-size: 0.95rem;
}

.faq-item.active .faq-answer {
  max-height: 600px;
}

/* ============ TESTIMONIALS ============ */
.testimonial-card {
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: var(--transition);
}

.testimonial-card:hover {
  border-color: var(--border-bright);
  transform: translateY(-4px);
}

.stars {
  display: flex;
  gap: 4px;
  margin-bottom: 16px;
  font-size: 1.1rem;
}

.star { color: var(--gold); }

.testimonial-text {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.8;
  margin-bottom: 20px;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testimonial-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: white;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.testimonial-name {
  font-weight: 600;
  color: var(--text-white);
  font-size: 0.95rem;
}

.testimonial-location {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ============ CTA SECTION ============ */
.cta-section {
  background: linear-gradient(135deg, #0c1f3d 0%, #0b2c4e 50%, #062040 100%);
  border-top: 1px solid rgba(14,165,233,0.2);
  border-bottom: 1px solid rgba(14,165,233,0.2);
  text-align: center;
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 800px;
  height: 400px;
  background: radial-gradient(ellipse, rgba(14,165,233,0.12) 0%, transparent 70%);
  pointer-events: none;
}

/* ============ PROCESS STEPS ============ */
.process-step {
  display: flex;
  gap: 24px;
  align-items: flex-start;
  margin-bottom: 40px;
}

.process-number {
  width: 52px;
  height: 52px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.2rem;
  color: white;
  flex-shrink: 0;
  box-shadow: var(--shadow-blue);
}

.process-content h4 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.process-content p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin: 0;
}

/* ============ SERVICE AREA ============ */
.area-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.area-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(14,165,233,0.08);
  border: 1px solid rgba(14,165,233,0.2);
  border-radius: var(--radius-full);
  padding: 6px 16px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
  text-decoration: none;
}

.area-tag:hover {
  background: rgba(14,165,233,0.18);
  border-color: var(--border-bright);
  color: var(--primary-light);
}

.area-tag .dot {
  width: 6px;
  height: 6px;
  background: var(--primary);
  border-radius: 50%;
}

/* ============ FOOTER ============ */
.footer {
  background: #03080f;
  border-top: 1px solid var(--border);
  padding: 80px 0 40px;
  position: relative;
  z-index: 1;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 60px;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.8;
  margin: 20px 0 28px;
  max-width: 300px;
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 14px;
  color: var(--text-secondary);
  font-size: 0.875rem;
  line-height: 1.6;
}

.footer-contact-item .icon {
  font-size: 1rem;
  color: var(--primary-light);
  margin-top: 2px;
  flex-shrink: 0;
}

.footer-contact-item a {
  color: var(--text-secondary);
}

.footer-contact-item a:hover {
  color: var(--primary-light);
}

.footer-heading {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-white);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 24px;
}

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 0.875rem;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.footer-links a:hover {
  color: var(--primary-light);
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-bottom p {
  color: var(--text-muted);
  font-size: 0.8rem;
  margin: 0;
}

.footer-bottom-links {
  display: flex;
  gap: 24px;
}

.footer-bottom-links a {
  color: var(--text-muted);
  font-size: 0.8rem;
}

.footer-bottom-links a:hover {
  color: var(--primary-light);
}

/* ============ BREADCRUMB ============ */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 16px 0;
  font-size: 0.85rem;
}

.breadcrumb-item {
  color: var(--text-muted);
}

.breadcrumb-item a {
  color: var(--text-muted);
}

.breadcrumb-item a:hover {
  color: var(--primary-light);
}

.breadcrumb-sep {
  color: var(--text-muted);
  opacity: 0.5;
}

.breadcrumb-item.active {
  color: var(--primary-light);
}

/* ============ PAGE HERO (inner pages) ============ */
.page-hero {
  padding: 160px 0 80px;
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(14,165,233,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(14,165,233,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
}

.page-hero-content {
  position: relative;
  z-index: 1;
  max-width: 700px;
}

.page-hero h1 {
  margin-bottom: 20px;
  font-size: clamp(1.75rem, 4vw, 3rem);
}

.page-hero p {
  font-size: 1.05rem;
  color: var(--text-secondary);
}

/* ============ MOBILE NAV ============ */
.hamburger {
  display: none;
  width: 40px;
  height: 40px;
  background: rgba(14,165,233,0.1);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}

.hamburger span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--primary-light);
  border-radius: 2px;
  transition: var(--transition);
}

.mobile-menu {
  display: none;
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  background: rgba(6,13,26,0.98);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 24px;
  z-index: 999;
  flex-direction: column;
  gap: 8px;
}

.mobile-menu.open { display: flex; }

.mobile-menu .nav-link {
  padding: 14px 16px;
  width: 100%;
  font-size: 1rem;
}

/* ============ ANIMATIONS ============ */
@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes float {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-20px) scale(1.05); }
}

@keyframes scrollX {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

@keyframes shimmer {
  from { background-position: -200% 0; }
  to { background-position: 200% 0; }
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ============ NOTICE BAR ============ */
.notice-bar {
  background: var(--gradient-primary);
  padding: 10px 0;
  text-align: center;
  font-size: 0.85rem;
  font-weight: 600;
  color: white;
  position: relative;
  z-index: 1001;
}

.notice-bar a {
  color: white;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ============ BADGES ============ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
}

.badge-blue {
  background: rgba(14,165,233,0.15);
  color: var(--primary-light);
  border: 1px solid rgba(14,165,233,0.25);
}

.badge-green {
  background: rgba(34,197,94,0.15);
  color: #4ade80;
  border: 1px solid rgba(34,197,94,0.25);
}

/* ============ BACK TO TOP ============ */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.2rem;
  box-shadow: var(--shadow-blue);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 100;
  cursor: pointer;
  text-decoration: none;
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  transform: translateY(-4px);
  color: white;
}

/* ============ UTILITY ============ */
.mt-4 { margin-top: 1rem; }
.mt-8 { margin-top: 2rem; }
.mt-12 { margin-top: 3rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-8 { margin-bottom: 2rem; }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.gap-4 { gap: 1rem; }
.flex-wrap { flex-wrap: wrap; }
.w-full { width: 100%; }

/* ============ RESPONSIVE ============ */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  :root { --header-height: 70px; }
  .section { padding: 70px 0; }
  .hero-stats { gap: 24px; flex-wrap: wrap; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .nav { display: none; }
  .header-phone { display: none; }
  .hamburger { display: flex; }
  .hero-title { font-size: 2.2rem; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }
  .container { padding: 0 16px; }
  .card { padding: 24px; }
}

@media (max-width: 480px) {
  h1 { font-size: 1.85rem; }
  h2 { font-size: 1.6rem; }
  .hero { min-height: auto; padding: 120px 0 60px; }
}

/* ============ HERO VAN PANEL ============ */
.hero-van-panel {
  flex-shrink: 0;
  animation: floatVan 6s ease-in-out infinite;
}

@keyframes floatVan {
  0%, 100% { transform: translateY(0px) rotate(-1deg); }
  50%       { transform: translateY(-12px) rotate(1deg); }
}

/* Tablet: küçük göster */
@media (max-width: 1024px) {
  .hero-van-panel img { max-width: 320px !important; }
}

/* Mobil: gizle */
@media (max-width: 768px) {
  .hero-van-panel { display: none; }
}

/* ============ LOGO IMAGE ============ */
.logo-img {
  width: 44px;
  height: 44px;
  object-fit: contain;
  border-radius: 8px;
}

/* ============ SOCIAL POST EMBED ============ */
.social-post-img {
  border-radius: var(--radius-xl);
  box-shadow: 0 24px 60px rgba(0,0,0,0.4);
  border: 2px solid rgba(14,165,233,0.25);
  width: 100%;
  max-width: 320px;
  display: block;
}

/* ============ OG IMAGE FIX ============ */
.team-card {
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 36px;
  text-align: center;
}

.team-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  font-weight: 800;
  color: white;
  margin: 0 auto 20px;
}