/* ============================================================
   ORBEKA YAPI — TASARIM SİSTEMİ
   Kimlik: logodaki siyah + kırmızı.
   UI'ın kullandığı her değer burada yaşar.
   ============================================================ */

:root {
  /* ---------- Renk: Mürekkep (nötr, hafif sıcak siyah) ---------- */
  --ink-950: #060606;
  --ink-900: #0B0A0A;
  --ink-850: #100E0E;
  --ink-800: #151212;
  --ink-750: #1B1717;
  --ink-700: #241E1E;
  --ink-600: #332A2A;
  --ink-500: #4A3E3E;

  /* ---------- Renk: Kırmızı (logodan) ---------- */
  --red-200: #FFC9C9;
  --red-300: #FF8F8F;
  --red-400: #F5484B;
  --red-500: #E31E26;   /* logo kırmızısı */
  --red-600: #C4151C;
  --red-700: #970F15;
  --red-800: #660A0E;
  --red-900: #380608;
  --red-950: #1E0405;

  /* ---------- Renk: Kemik / sıcak nötrler ---------- */
  --bone-100: #F7F5F4;
  --bone-200: #E7E3E1;
  --bone-300: #C8C2C0;
  --bone-400: #9A9391;
  --bone-500: #736C6B;

  /* ---------- Anlamsal ---------- */
  --bg-base:        var(--ink-950);
  --bg-raised:      var(--ink-900);
  --bg-elevated:    var(--ink-850);
  --bg-inset:       var(--ink-800);

  --text-primary:   var(--bone-100);
  --text-secondary: var(--bone-400);
  --text-muted:     var(--bone-500);
  --text-on-accent: #FFFFFF;

  --accent:         var(--red-500);
  --accent-hover:   var(--red-400);
  --accent-deep:    var(--red-800);
  --accent-soft:    rgba(227, 30, 38, 0.14);
  --accent-glow:    rgba(227, 30, 38, 0.34);

  --hairline:        rgba(231, 227, 225, 0.10);
  --hairline-strong: rgba(231, 227, 225, 0.20);
  --hairline-accent: rgba(227, 30, 38, 0.42);

  /* ---------- Tipografi ---------- */
  --font-display: "Cormorant Garamond", "Times New Roman", Georgia, serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  --fs-micro:  0.6875rem;  /* 11px — eyebrow, künye */
  --fs-xs:     0.8125rem;  /* 13px */
  --fs-sm:     0.9375rem;  /* 15px */
  --fs-base:   1.0625rem;  /* 17px */
  --fs-lg:     1.25rem;
  --fs-xl:     1.75rem;
  --fs-2xl:    2.5rem;
  --fs-3xl:    3.5rem;
  --fs-4xl:    clamp(3rem, 9vw, 7.5rem);

  --lh-tight: 1.05;
  --lh-snug:  1.25;
  --lh-base:  1.7;

  --ls-tightest: -0.03em;
  --ls-tight:    -0.01em;
  --ls-normal:   0;
  --ls-wide:     0.08em;
  --ls-widest:   0.28em;

  --fw-light:  300;
  --fw-normal: 400;
  --fw-medium: 500;
  --fw-semi:   600;
  --fw-bold:   700;

  /* ---------- Boşluk (4px taban) ---------- */
  --sp-1:  0.25rem;
  --sp-2:  0.5rem;
  --sp-3:  0.75rem;
  --sp-4:  1rem;
  --sp-5:  1.5rem;
  --sp-6:  2rem;
  --sp-7:  3rem;
  --sp-8:  4rem;
  --sp-9:  6rem;
  --sp-10: 8rem;
  --sp-11: 11rem;

  /* ---------- Yerleşim ---------- */
  --container: 1280px;
  --container-narrow: 940px;
  --gutter: clamp(1.25rem, 5vw, 4.5rem);
  --section-y: clamp(5rem, 12vw, 11rem);

  /* ---------- Köşe ---------- */
  --r-none: 0;
  --r-sm: 2px;
  --r-md: 4px;
  --r-lg: 10px;
  --r-full: 999px;

  /* ---------- Yükseklik ---------- */
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.5);
  --shadow-md: 0 12px 32px -12px rgba(0,0,0,0.75);
  --shadow-lg: 0 40px 80px -32px rgba(0,0,0,0.9);
  --shadow-accent: 0 24px 64px -24px var(--accent-glow);

  /* ---------- Hareket ---------- */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --ease-back: cubic-bezier(0.34, 1.4, 0.36, 1);
  --dur-fast: 180ms;
  --dur-base: 380ms;
  --dur-slow: 720ms;
  --dur-slower: 1200ms;
  --dur-curtain: 1400ms;

  /* ---------- Z ---------- */
  --z-base: 1;
  --z-grain: 5;
  --z-nav: 100;
  --z-top: 900;
  --z-curtain: 950;
}