/* ==========================================================================
   Berk Cam Balkon & Sineklik - Design Tokens & Variables
   Palette: Mimari Antrasit (#18181b) + Sıcak Amber (#d97706) + WhatsApp (#25D366)
   ========================================================================== */

:root {
  /* Renk Paleti - Mimari Kurumsal */
  --color-dark: #18181b;          /* Döküm Antrasit - Ana Koyu Renk */
  --color-dark-surface: #27272a;  /* Koyu Yüzey / Kartlar */
  --color-dark-card: #3f3f46;     /* Koyu Kenarlık / Hafif Kart */
  --color-dark-elevated: #1e1e24; /* Koyu Başlık ve Hero Arka Planı */

  --color-light: #fafaf9;         /* Sıcak Taş / Tebeşir Beyazı Zemin */
  --color-light-surface: #f5f5f4; /* İkincil Açık Zemin */
  --color-light-card: #ffffff;    /* Saf Beyaz Kart */
  --color-border: #e4e4e7;        /* Açık Kenarlık Rengi */
  --color-border-subtle: #f0f0f2; /* Çok Hafif Çizgi Rengi */

  /* Vurgu Rengi - Mimari Amber & Bronz (Ustalık, Dayanıklılık ve Kalite) */
  --color-accent: #d97706;        /* Amber 600 */
  --color-accent-hover: #b45309;  /* Amber 700 */
  --color-accent-light: #fef3c7;  /* Amber 100 - Rozet Arka Planı */
  --color-accent-subtle: rgba(217, 119, 6, 0.12);

  /* Dönüşüm Renkleri (CRO) - Sadece Arama & WhatsApp İçin */
  --color-whatsapp: #25D366;      /* Canlı WhatsApp Yeşili */
  --color-whatsapp-hover: #1ebd5b;
  --color-whatsapp-glow: rgba(37, 211, 102, 0.35);
  --color-phone: #18181b;         /* Koyu Arama Butonu */
  --color-phone-hover: #27272a;

  /* Metin Renkleri */
  --color-text-primary: #18181b;
  --color-text-secondary: #52525b;
  --color-text-muted: #71717a;
  --color-text-inverse: #ffffff;
  --color-text-inverse-muted: #a1a1aa;

  /* Akıcı Tipografi Ölçeği (Fluid Typography via clamp) */
  --font-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.8125rem);
  --font-sm: clamp(0.875rem, 0.825rem + 0.25vw, 0.9375rem);
  --font-base: clamp(1rem, 0.95rem + 0.25vw, 1.0625rem);
  --font-md: clamp(1.125rem, 1.05rem + 0.35vw, 1.25rem);
  --font-lg: clamp(1.25rem, 1.15rem + 0.5vw, 1.5rem);
  --font-xl: clamp(1.5rem, 1.35rem + 0.75vw, 1.875rem);
  --font-2xl: clamp(1.875rem, 1.65rem + 1.1vw, 2.375rem);
  --font-3xl: clamp(2.25rem, 1.95rem + 1.5vw, 3rem);
  --font-hero: clamp(2.5rem, 2.1rem + 2vw, 3.75rem);

  /* Boşluk Ölçeği */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Konteyner ve Izgara */
  --container-max: 1200px;
  --container-padding: clamp(1rem, 4vw, 2rem);

  /* Gölgeler */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.03);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-cta: 0 8px 24px var(--color-whatsapp-glow);
  --shadow-accent: 0 8px 24px rgba(217, 119, 6, 0.25);

  /* Köşe Yuvarlama */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Geçişler */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 350ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Z-Index Katmanları */
  --z-negative: -1;
  --z-elevate: 10;
  --z-sticky: 100;
  --z-header: 500;
  --z-drawer: 800;
  --z-sticky-bottom: 999;
}