/* Bylift - Kiralık Platform İskele Modern Design System */
:root {
  --primary: #f59e0b;
  --primary-hover: #d97706;
  --primary-dark: #b45309;
  --primary-light: #fef3c7;
  --secondary: #0f172a;
  --secondary-light: #1e293b;
  --accent: #2563eb;
  --text-main: #1e293b;
  --text-muted: #64748b;
  --bg-light: #f8fafc;
  --bg-white: #ffffff;
  --border-color: #e2e8f0;
  --success: #10b981;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --radius: 12px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  font-family: var(--font-sans);
  color: var(--text-main);
  background-color: var(--bg-light);
  line-height: 1.6;
}

body {
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  color: var(--secondary);
  font-weight: 700;
  line-height: 1.25;
}

a {
  color: inherit;
  text-decoration: none;
  transition: all 0.2s ease;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Container */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Top Bar */
.top-bar {
  background-color: #0b1120;
  color: #94a3b8;
  font-size: 0.875rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid #1e293b;
}

.top-bar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.top-bar-contact {
  display: flex;
  gap: 1.25rem;
  align-items: center;
  flex-wrap: wrap;
}

.top-bar-contact a {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: #cbd5e1;
}

.top-bar-contact a:hover {
  color: var(--primary);
}

.top-bar-badge {
  background: rgba(245, 158, 11, 0.15);
  color: #f59e0b;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.75rem;
}

/* Navbar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding: 0.85rem 0;
  transition: all 0.3s ease;
}

.navbar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.5rem;
  font-weight: 900;
  color: #ffffff;
  letter-spacing: -0.5px;
}

.logo-badge {
  background: linear-gradient(135deg, var(--primary), var(--primary-hover));
  color: #0f172a;
  padding: 0.25rem 0.6rem;
  border-radius: 8px;
  font-size: 1.1rem;
  font-weight: 900;
}

.logo span.sub {
  display: block;
  font-size: 0.7rem;
  font-weight: 500;
  color: #94a3b8;
  letter-spacing: 0.5px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
}

.nav-link {
  color: #e2e8f0;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.5rem 0.25rem;
  position: relative;
}

.nav-link:hover, .nav-link.active {
  color: var(--primary);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width 0.2s ease;
}

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 0.65rem 1.35rem;
  border-radius: var(--radius);
  cursor: pointer;
  border: none;
  transition: all 0.2s ease;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-hover));
  color: #0f172a;
  box-shadow: 0 4px 14px rgba(245, 158, 11, 0.35);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-hover), var(--primary-dark));
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(245, 158, 11, 0.45);
}

.btn-secondary {
  background: #1e293b;
  color: #ffffff;
  border: 1px solid #334155;
}

.btn-secondary:hover {
  background: #334155;
  color: var(--primary);
}

.btn-whatsapp {
  background: #25d366;
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(37, 211, 102, 0.35);
}

.btn-whatsapp:hover {
  background: #1ebc57;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.45);
}

.btn-sm {
  padding: 0.45rem 0.9rem;
  font-size: 0.85rem;
  border-radius: 8px;
}

.btn-lg {
  padding: 0.85rem 1.85rem;
  font-size: 1.05rem;
  border-radius: var(--radius-lg);
}

/* Mobile Menu Toggle & Drawer */
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: #ffffff;
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.25rem 0.5rem;
}

.mobile-menu {
  display: none;
}

/* Hero Section */
.hero {
  position: relative;
  background: linear-gradient(135deg, #0b1120 0%, #1e293b 100%);
  color: #ffffff;
  padding: 4.5rem 0 5rem 0;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 80% 20%, rgba(245, 158, 11, 0.15), transparent 45%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3rem;
  align-items: center;
  position: relative;
  z-index: 10;
}

.hero-content h1 {
  font-size: 2.75rem;
  color: #ffffff;
  line-height: 1.15;
  margin-bottom: 1.25rem;
}

.hero-content h1 span.highlight {
  color: var(--primary);
  position: relative;
}

.hero-content p {
  font-size: 1.15rem;
  color: #94a3b8;
  margin-bottom: 1.75rem;
  line-height: 1.6;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.hero-badge-item {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #e2e8f0;
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 500;
}

.hero-badge-item svg {
  color: var(--primary);
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

/* Calculator Card */
.calculator-card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: 2rem;
  color: var(--text-main);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(245, 158, 11, 0.2);
  position: relative;
}

.calculator-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.35rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.calculator-card p.subtitle {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}

.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
  color: var(--secondary);
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-family: inherit;
  transition: all 0.2s ease;
  background: #f8fafc;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  background: #ffffff;
  box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.15);
}

.calc-result {
  background: #f1f5f9;
  border-left: 4px solid var(--primary);
  padding: 1rem;
  border-radius: 8px;
  margin-top: 1.25rem;
  display: none;
}

.calc-result.active {
  display: block;
  animation: fadeIn 0.3s ease;
}

.calc-result h4 {
  font-size: 1rem;
  color: var(--secondary);
  margin-bottom: 0.25rem;
}

.calc-result p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

/* Section Header */
.section {
  padding: 4.5rem 0;
}

.section-bg-white {
  background-color: #ffffff;
}

.section-bg-dark {
  background-color: #0f172a;
  color: #ffffff;
}

.section-bg-dark h2, .section-bg-dark h3 {
  color: #ffffff;
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 3rem auto;
}

.section-tag {
  display: inline-block;
  color: var(--primary-dark);
  background: var(--primary-light);
  font-weight: 700;
  font-size: 0.8rem;
  padding: 0.3rem 0.8rem;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 0.75rem;
}

.section-header h2 {
  font-size: 2.25rem;
  margin-bottom: 0.85rem;
}

.section-header p {
  color: var(--text-muted);
  font-size: 1.05rem;
}

.section-bg-dark .section-header p {
  color: #94a3b8;
}

/* Terminology Synonyms Matrix (SEO / GEO Pillar) */
.terminology-box {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
  margin-bottom: 3.5rem;
}

.term-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.term-card {
  background: #f8fafc;
  padding: 1.25rem;
  border-radius: var(--radius);
  border-top: 3px solid var(--primary);
}

.term-card h4 {
  font-size: 1.05rem;
  margin-bottom: 0.5rem;
  color: var(--secondary);
}

.term-card p {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* Product Cards Grid */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.product-card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(245, 158, 11, 0.4);
}

.product-header {
  background: linear-gradient(135deg, #1e293b, #0f172a);
  color: #ffffff;
  padding: 1.5rem;
  position: relative;
}

.product-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: var(--primary);
  color: #0f172a;
  font-size: 0.75rem;
  font-weight: 800;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-full);
}

.product-header h3 {
  color: #ffffff;
  font-size: 1.35rem;
  margin-bottom: 0.25rem;
}

.product-header p {
  color: #94a3b8;
  font-size: 0.85rem;
}

.product-specs {
  padding: 1.5rem;
  flex: 1;
}

.spec-list {
  list-style: none;
  margin-bottom: 1.5rem;
}

.spec-list li {
  display: flex;
  justify-content: space-between;
  padding: 0.5rem 0;
  border-bottom: 1px dashed var(--border-color);
  font-size: 0.9rem;
}

.spec-list li span.label {
  color: var(--text-muted);
}

.spec-list li span.value {
  font-weight: 700;
  color: var(--secondary);
}

.product-actions {
  padding: 0 1.5rem 1.5rem 1.5rem;
  display: flex;
  gap: 0.75rem;
}

/* Feature & Safety Cards */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.75rem;
}

.feature-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 2rem;
  border-radius: var(--radius-lg);
  transition: all 0.3s ease;
}

.feature-card:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--primary);
  transform: translateY(-4px);
}

.feature-icon {
  width: 52px;
  height: 52px;
  background: rgba(245, 158, 11, 0.15);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  margin-bottom: 1.25rem;
}

.feature-card h3 {
  font-size: 1.2rem;
  margin-bottom: 0.6rem;
  color: #ffffff;
}

.feature-card p {
  color: #94a3b8;
  font-size: 0.92rem;
  line-height: 1.6;
}

/* Gallery Grid */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 3/4;
  box-shadow: var(--shadow-md);
  background: #1e293b;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.gallery-item:hover img {
  transform: scale(1.06);
}

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15, 23, 42, 0.9) 0%, transparent 60%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.25rem;
  color: #ffffff;
}

.gallery-overlay h4 {
  color: #ffffff;
  font-size: 1.05rem;
  margin-bottom: 0.2rem;
}

.gallery-overlay p {
  color: var(--primary);
  font-size: 0.8rem;
  font-weight: 600;
}

/* Specs Comparison Table */
.table-responsive {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  background: #ffffff;
}

.table-custom {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.table-custom th, .table-custom td {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border-color);
}

.table-custom th {
  background: #0f172a;
  color: #ffffff;
  font-weight: 700;
  font-size: 0.95rem;
}

.table-custom th.highlight {
  background: #1e293b;
  color: var(--primary);
}

.table-custom tbody tr:hover {
  background: #f8fafc;
}

.table-custom td:first-child {
  font-weight: 600;
  color: var(--secondary);
}

/* FAQ Accordion */
.faq-list {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all 0.2s ease;
}

.faq-item.active {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
}

.faq-question {
  padding: 1.25rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-weight: 700;
  color: var(--secondary);
  user-select: none;
}

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

.faq-icon {
  transition: transform 0.3s ease;
}

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

.faq-answer {
  padding: 0 1.5rem 1.25rem 1.5rem;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
  display: none;
}

.faq-item.active .faq-answer {
  display: block;
}

/* Provinces Grid & Search */
.provinces-hub {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
}

.provinces-search-box {
  margin-bottom: 2rem;
  display: flex;
  gap: 1rem;
  max-width: 600px;
}

.provinces-list-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
  max-height: 520px;
  overflow-y: auto;
  padding-right: 0.5rem;
}

.province-chip {
  background: #f8fafc;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  transition: all 0.2s ease;
}

.province-chip:hover {
  background: var(--primary-light);
  border-color: var(--primary);
  transform: translateY(-2px);
}

.province-chip strong {
  color: var(--secondary);
  font-size: 0.95rem;
}

.province-chip span.districts {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Footer */
.footer {
  background: #090e17;
  color: #94a3b8;
  padding: 4.5rem 0 2rem 0;
  border-top: 1px solid #1e293b;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 3rem;
  margin-bottom: 3.5rem;
}

.footer-col h4 {
  color: #ffffff;
  font-size: 1.15rem;
  margin-bottom: 1.25rem;
  position: relative;
  padding-bottom: 0.5rem;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 32px;
  height: 2px;
  background: var(--primary);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer-links a {
  color: #94a3b8;
  font-size: 0.9rem;
}

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

.footer-contact-info {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  font-size: 0.9rem;
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
}

.footer-contact-item svg {
  color: var(--primary);
  flex-shrink: 0;
  margin-top: 3px;
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid #1e293b;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.85rem;
}

/* Floating Actions */
.floating-bar {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.float-btn {
  width: 54px;
  height: 54px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.float-btn:hover {
  transform: scale(1.1);
}

.float-whatsapp {
  background-color: #25d366;
}

.float-call {
  background-color: #0284c7;
}

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

@media (max-width: 768px) {
  .top-bar-inner {
    flex-direction: column;
    align-items: flex-start;
  }
  .nav-links, .nav-actions .btn-quote-nav {
    display: none;
  }
  .mobile-toggle {
    display: block;
  }
  .mobile-menu {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: #0f172a;
    padding: 1.5rem;
    border-bottom: 1px solid #334155;
    flex-direction: column;
    gap: 1rem;
    z-index: 999;
  }
  .mobile-menu.active {
    display: flex;
  }
  .hero-content h1 {
    font-size: 2rem;
  }
  .gallery-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}