/* ============================================
   MACWAG Türkiye — Design System
   Ana renk paleti: Antrasit + Kırmızı
   Tipografi: Outfit (başlıklar), Inter (metin)
   ============================================ */


/* --- Design Tokens (CSS Custom Properties) --- */
:root {
  /* Ürün görselleri her yerde bu oranda gösterilir; panelde yükleme de bu orana
     kırpar (lib/yuklemeKurallari.js → BAGLAMLAR.urun.kirpma). */
  --urun-gorsel-orani: 2 / 3;

  /* Antrasit Palette */
  --clr-bg-primary: #0D0D0D;
  --clr-bg-secondary: #1A1A1A;
  --clr-bg-tertiary: #242424;
  --clr-bg-card: #1E1E1E;
  --clr-bg-card-hover: #2A2A2A;
  --clr-border: #333333;
  --clr-border-subtle: #2A2A2A;

  /* Kırmızı Accent Palette */
  --clr-accent: #C62828;
  --clr-accent-hover: #E53935;
  --clr-accent-dark: #8E0000;
  --clr-accent-glow: rgba(198, 40, 40, 0.3);
  --clr-accent-subtle: rgba(198, 40, 40, 0.1);

  /* Text Colors */
  --clr-text-primary: #F5F5F5;
  --clr-text-secondary: #A0A0A0;
  --clr-text-tertiary: #6B6B6B;
  --clr-text-accent: #E53935;

  /* Gradients */
  --gradient-hero: linear-gradient(135deg, rgba(13,13,13,0.95) 0%, rgba(30,10,10,0.85) 100%);
  --gradient-card: linear-gradient(145deg, #1E1E1E 0%, #161616 100%);
  --gradient-accent: linear-gradient(135deg, #C62828 0%, #E53935 100%);
  --gradient-subtle: linear-gradient(180deg, rgba(198,40,40,0.08) 0%, transparent 100%);

  /* Typography */
  /* next/font tarafindan saglanir (app/layout.js); yedek olarak sistem fontu. */
  --font-heading: var(--font-outfit), 'Outfit', system-ui, sans-serif;
  --font-body: var(--font-inter), 'Inter', system-ui, sans-serif;

  /* Font Sizes */
  --fs-hero: clamp(3rem, 8vw, 6rem);
  --fs-h1: clamp(2rem, 4vw, 3.5rem);
  --fs-h2: clamp(1.5rem, 3vw, 2.5rem);
  --fs-h3: clamp(1.2rem, 2vw, 1.75rem);
  --fs-h4: clamp(1rem, 1.5vw, 1.25rem);
  --fs-body: 1rem;
  --fs-body-lg: 1.125rem;
  --fs-small: 0.875rem;
  --fs-xs: 0.75rem;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --space-5xl: 8rem;

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 24px;
  --radius-full: 50%;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.5);
  --shadow-xl: 0 16px 48px rgba(0,0,0,0.6);
  --shadow-accent: 0 4px 24px rgba(198,40,40,0.25);
  --shadow-accent-lg: 0 8px 32px rgba(198,40,40,0.35);

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  --transition-spring: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Layout */
  --container-max: 1280px;
  --container-wide: 1440px;
  --container-narrow: 960px;
  --nav-height: 80px;

  /* Z-Index Scale */
  --z-base: 1;
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-overlay: 300;
  --z-modal: 400;
  --z-toast: 500;
}

/* --- CSS Reset --- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  /* Uzun ürün adı/açıklama veya boşluksuz uzun metin kutusunu taşırmasın. */
  overflow-wrap: break-word;
}

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

body {
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  color: var(--clr-text-primary);
  background-color: var(--clr-bg-primary);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul, ol {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.15;
  color: var(--clr-text-primary);
}

h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }
h4 { font-size: var(--fs-h4); }

p {
  color: var(--clr-text-secondary);
  line-height: 1.7;
}

.text-accent { color: var(--clr-text-accent); }
.text-gradient {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* --- Layout Utilities --- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.container-wide {
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.container-narrow {
  max-width: var(--container-narrow);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.section {
  /* Önce sabit 8rem idi: art arda iki bölüm arasında 256px boşluk kalıyordu.
     Ekran genişliğiyle ölçeklenir (masaüstü 72-80px, mobil 48px); tablet ve
     mobil için ayrıca kural gerekmez. */
  padding: clamp(3rem, 5vw, 5rem) 0;
}

.section-sm {
  padding: clamp(2rem, 3.5vw, 3rem) 0;
}

/* Grid System */
.grid {
  display: grid;
  gap: var(--space-xl);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* Flex Utilities */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }
.gap-xl { gap: var(--space-xl); }

/* Text Alignment */
.text-center { text-align: center; }
.text-left { text-align: left; }

/* Spacing Utilities */
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mt-2xl { margin-top: var(--space-2xl); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

/* --- Section Title Component --- */
.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto clamp(2rem, 3.5vw, 3rem);
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-heading);
  font-size: var(--fs-small);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--clr-accent);
  margin-bottom: var(--space-md);
}

.section-label::before,
.section-label::after {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--clr-accent);
}

.section-header h2 {
  margin-bottom: var(--space-md);
}

.section-header p {
  font-size: var(--fs-body-lg);
}

/* --- Divider --- */
.divider {
  width: 60px;
  height: 3px;
  background: var(--gradient-accent);
  border-radius: 2px;
  margin: var(--space-lg) auto;
}

/* --- Selection Color --- */
::selection {
  background: var(--clr-accent);
  color: #fff;
}

/* --- Scrollbar --- */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--clr-bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--clr-bg-tertiary);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--clr-accent);
}

/* --- Lazy Load Image Transition --- */
img[loading="lazy"] {
  transition: opacity 0.5s ease;
}

img.loaded {
  opacity: 1;
}

/* Razor sürümü: öğeler JS'te `hidden` niteliğiyle gizlenip gösteriliyor. Kendi `display`
   değeri olan sınıflarda (flex/grid) tarayıcının varsayılan gizlemesi ezilmesin. */
[hidden] { display: none !important; }