/* ==========================================================================
   MKÜ Taksi - Ana Stil Dosyası (Mobile-First & Modern UX)
   ========================================================================== */

:root {
  --sari: #F6B400;
  --sari-hover: #e0a300;
  --asfalt: #1B1E24;
  --koyu-gri: #262B34;
  --acik-gri: #f8f9fa;
  --yazi-koyu: #1f2937;
  --yazi-acik: #f3f4f6;
  --yesil: #25D366;
  --shadow: 0 4px 20px rgba(0,0,0,0.08);
  --radius: 12px;
  --font: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

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

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

body {
  font-family: var(--font);
  background-color: var(--acik-gri);
  color: var(--yazi-koyu);
  line-height: 1.6;
}

a {
  text-decoration: none;
  color: inherit;
}

/* Container */
.container {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header & Nav */
.header {
  background: var(--asfalt);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.nav-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.logo {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--sari);
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-links {
  display: flex;
  gap: 20px;
  list-style: none;
}

.nav-links a {
  color: var(--yazi-acik);
  font-weight: 600;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--sari);
}

.btn-header-call {
  background: var(--sari);
  color: var(--asfalt);
  padding: 8px 16px;
  border-radius: 20px;
  font-weight: 700;
  font-size: 0.9rem;
  transition: transform 0.2s;
}

.btn-header-call:hover {
  transform: scale(1.05);
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--asfalt) 0%, var(--koyu-gri) 100%);
  color: var(--yazi-acik);
  padding: 60px 0;
  text-align: center;
}

.hero h1 {
  font-size: 2.2rem;
  color: var(--sari);
  margin-bottom: 15px;
  line-height: 1.2;
}

.hero p {
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto 30px auto;
  color: #ccc;
}

.hero-buttons {
  display: flex;
  justify-content: center;
  gap: 15px;
  flex-wrap: wrap;
}

.btn-main {
  background: var(--sari);
  color: var(--asfalt);
  padding: 16px 32px;
  border-radius: var(--radius);
  font-size: 1.2rem;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 4px 15px rgba(246, 180, 0, 0.4);
  transition: all 0.2s;
}

.btn-whatsapp {
  background: var(--yesil);
  color: #fff;
  padding: 16px 32px;
  border-radius: var(--radius);
  font-size: 1.2rem;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
  transition: all 0.2s;
}

.btn-main:hover, .btn-whatsapp:hover {
  transform: translateY(-2px);
}

/* Canlı Taksimetre Kartı */
.meter-card {
  background: var(--koyu-gri);
  border: 2px solid var(--sari);
  border-radius: var(--radius);
  padding: 20px;
  max-width: 400px;
  margin: 30px auto 0 auto;
}

.meter-title {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: #aaa;
}

.meter-route {
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  margin: 10px 0 5px 0;
}

.meter-price {
  font-size: 2rem;
  font-weight: 900;
  color: var(--sari);
}

/* Section Stilleri */
.section {
  padding: 60px 0;
}

.section-title {
  text-align: center;
  font-size: 1.8rem;
  margin-bottom: 40px;
  position: relative;
}

.section-title::after {
  content: '';
  display: block;
  width: 50px;
  height: 4px;
  background: var(--sari);
  margin: 10px auto 0 auto;
  border-radius: 2px;
}

/* Grid Kartlar */
.grid-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 25px;
}

.card {
  background: #fff;
  padding: 25px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid #eee;
  transition: transform 0.2s;
}

.card:hover {
  transform: translateY(-50px);
}

.card h3 {
  margin-bottom: 10px;
  color: var(--asfalt);
}

/* Tarifeler Tablosu */
.tarife-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.tarife-table th, .tarife-table td {
  padding: 15px 20px;
  text-align: left;
  border-bottom: 1px solid #eee;
}

.tarife-table th {
  background: var(--asfalt);
  color: var(--sari);
}

.tarife-table tr:last-child td {
  border-bottom: none;
}

.price-tag {
  font-weight: 800;
  color: var(--asfalt);
}

/* Sabit Alt Arama Barı (Mobil İçin) */
.fixed-bottom-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--asfalt);
  padding: 10px;
  z-index: 999;
  box-shadow: 0 -2px 10px rgba(0,0,0,0.2);
}

.fixed-bottom-bar .btn-main {
  width: 100%;
  justify-content: center;
  padding: 12px;
  font-size: 1.1rem;
}

/* Footer */
.footer {
  background: var(--asfalt);
  color: #888;
  padding: 40px 0 20px 0;
  text-align: center;
  font-size: 0.9rem;
}

.footer a {
  color: #fff;
}

/* Responsive */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .fixed-bottom-bar { display: block; }
  body { padding-bottom: 60px; }
  .hero h1 { font-size: 1.7rem; }
}