/* ============================================
   Çelebi Turizm — Design System (Kırmızı & Beyaz)
   ============================================ */

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

:root {
  --color-primary: #E31712;
  --color-primary-dark: #B8120E;
  --color-primary-light: #FF4742;
  --color-primary-soft: rgba(227, 23, 18, 0.08);
  --color-primary-muted: rgba(227, 23, 18, 0.14);
  --color-accent: #E31712;
  --color-accent-hover: #B8120E;
  --color-dark: #111111;
  --color-dark-soft: #1C1C1C;
  --color-dark-muted: #2A2A2A;
  --color-bg: #FFFFFF;
  --color-bg-alt: #F7F7F7;
  --color-bg-warm: #F5F5F5;
  --color-text: #111111;
  --color-text-muted: #6B7280;
  --color-border: #E8E8E8;
  --color-white: #ffffff;
  --color-whatsapp: #25D366;

  --font-family: 'Plus Jakarta Sans', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --container-max: 1180px;
  --header-height: 72px;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 12px 32px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 24px 48px rgba(0, 0, 0, 0.12);
  --shadow-red: 0 8px 24px rgba(227, 23, 18, 0.22);
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-left: env(safe-area-inset-left, 0px);
  --safe-right: env(safe-area-inset-right, 0px);
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition);
}

ul {
  list-style: none;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 clamp(20px, 4.5vw, 32px);
}

.section {
  padding: clamp(56px, 8vw, 96px) 0;
  position: relative;
}

.section--alt {
  background: var(--color-bg-alt);
}

.section--warm {
  background: var(--color-bg-warm);
}

.section--dark {
  background: var(--color-dark);
  color: var(--color-white);
}

.section-header {
  text-align: center;
  margin-bottom: clamp(32px, 5vw, 56px);
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 14px;
  padding: 6px 14px;
  background: var(--color-primary-soft);
  border-radius: 50px;
}

.section-label::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--color-primary);
  border-radius: 50%;
}

.section-title {
  font-size: clamp(1.65rem, 4.5vw, 2.65rem);
  font-weight: 800;
  color: var(--color-text);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.section-title span {
  color: var(--color-primary);
}

.section-subtitle {
  font-size: clamp(0.95rem, 2vw, 1.08rem);
  color: var(--color-text-muted);
  max-width: 580px;
  margin: 16px auto 0;
  line-height: 1.7;
}

/* Page Hero — koyu zemin, kırmızı vurgu */
.page-hero {
  background-color: var(--color-dark);
  background-image:
    linear-gradient(135deg, rgba(17, 17, 17, 0.97) 0%, rgba(28, 28, 28, 0.92) 100%),
    url('../images/hero.webp');
  background-size: cover;
  background-position: center;
  padding: calc(var(--header-height) + 64px) 0 56px;
  text-align: center;
  color: var(--color-white);
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(227, 23, 18, 0.12) 0%, transparent 55%);
  pointer-events: none;
}

.page-hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary) 0%, rgba(227, 23, 18, 0.3) 60%, transparent 100%);
}

.page-hero .container {
  position: relative;
  z-index: 1;
}

.page-hero__title {
  font-size: clamp(1.85rem, 5vw, 3rem);
  font-weight: 800;
  margin-bottom: 14px;
  letter-spacing: -0.02em;
}

.page-hero__subtitle {
  font-size: clamp(0.95rem, 2vw, 1.1rem);
  opacity: 0.92;
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.65;
}

.breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
  font-size: 0.88rem;
  opacity: 0.88;
}

.breadcrumb a:hover {
  color: var(--color-white);
  text-decoration: underline;
}

.breadcrumb span {
  opacity: 0.55;
}

/* Animations */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

.text-accent {
  color: var(--color-primary);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: 16px;
  z-index: 10000;
  padding: 12px 20px;
  background: var(--color-primary);
  color: var(--color-white);
  font-weight: 700;
  border-radius: var(--radius-sm);
  transition: top var(--transition);
}

.skip-link:focus {
  top: 16px;
  outline: 2px solid var(--color-white);
  outline-offset: 2px;
}

.footer-social-note {
  font-size: 0.82rem;
  opacity: 0.55;
  font-style: italic;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .animate-on-scroll {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .partners-marquee__track {
    animation: none !important;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

.legal-content {
  max-width: 760px;
  margin: 0 auto;
}

.legal-content h2 {
  font-size: 1.25rem;
  margin: 28px 0 12px;
  color: var(--color-text);
}

.legal-content p {
  color: var(--color-text-muted);
  line-height: 1.75;
  margin-bottom: 12px;
}

/* Mobile menu backdrop */
.nav-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 998;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition);
  backdrop-filter: blur(4px);
}

.nav-backdrop.open {
  opacity: 1;
  visibility: visible;
}

@media (max-width: 768px) {
  .section {
    padding: 48px 0;
  }

  .page-hero {
    padding: calc(var(--header-height) + 48px) 0 40px;
  }
}

@media (max-width: 480px) {
  :root {
    --header-height: 64px;
  }
}