/**
 * SESİN İşitme Cihazları — Design System Tokens
 * Premium Healthcare + Modern Hearing Technology + Trust
 */

:root {
  /* Brand Primary Colors (Deep Navy / Medical Tech) */
  --color-primary-950: #081626;
  --color-primary-900: #0f243b;
  --color-primary-800: #153455;
  --color-primary-700: #1a4673;
  --color-primary-600: #1e5993;
  --color-primary-500: #256eb4;

  /* Accent Brand Cyan (Derived from official SESIN emblem) */
  --color-accent-600: #0284c7;
  --color-accent-500: #0ea5e9;
  --color-accent-400: #38bdf8;
  --color-accent-100: #e0f2fe;
  --color-accent-50:  #f0f9ff;

  /* Subtle Warm Gold Accent (Refined medical excellence highlight) */
  --color-gold-700: #996e25;
  --color-gold-600: #b9862f;
  --color-gold-500: #d4a34b;
  --color-gold-400: #e4bc6e;
  --color-gold-100: #fbf5e8;
  --color-gold-50:  #fdfbf6;

  /* Neutrals & Anthracite Slate */
  --color-slate-900: #0f172a;
  --color-slate-800: #1e293b;
  --color-slate-700: #334155;
  --color-slate-600: #475569;
  --color-slate-500: #64748b;
  --color-slate-400: #94a3b8;
  --color-slate-300: #cbd5e1;
  --color-slate-200: #e2e8f0;
  --color-slate-100: #f1f5f9;
  --color-slate-50:  #f8fafc;
  --color-white:     #ffffff;

  /* Functional Colors */
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-danger:  #ef4444;
  --color-info:    #0ea5e9;

  /* WhatsApp Green */
  --color-whatsapp: #25d366;
  --color-whatsapp-dark: #128c7e;

  /* Semantic Theme Tokens */
  --bg-body:       #f8fafc;
  --bg-surface:    #ffffff;
  --bg-card:       #ffffff;
  --bg-muted:      #f1f5f9;
  --text-main:     var(--color-slate-900);
  --text-muted:    var(--color-slate-600);
  --text-subtle:   var(--color-slate-400);
  --border-subtle: rgba(15, 23, 42, 0.08);
  --border-hover:  rgba(2, 132, 199, 0.25);

  /* Typography Scale */
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  
  --font-size-display: clamp(1.75rem, 4vw + 0.5rem, 3.5rem);
  --font-size-h1:      clamp(1.45rem, 2.8vw + 0.4rem, 2.5rem);
  --font-size-h2:      clamp(1.25rem, 2vw + 0.3rem, 2rem);
  --font-size-h3:      clamp(1.1rem, 1.4vw + 0.2rem, 1.35rem);
  --font-size-h4:      1.125rem;
  --font-size-body-lg: 1.125rem;
  --font-size-body:    1rem;
  --font-size-body-sm: 0.875rem;
  --font-size-caption: 0.75rem;

  --line-height-tight:  1.15;
  --line-height-snug:   1.3;
  --line-height-normal: 1.6;
  --line-height-loose:  1.75;

  /* Elevation Shadows */
  --shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-sm: 0 2px 4px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.07), 0 1px 3px rgba(15, 23, 42, 0.03);
  --shadow-lg: 0 10px 25px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -2px rgba(15, 23, 42, 0.03);
  --shadow-xl: 0 20px 40px -4px rgba(15, 23, 42, 0.12), 0 8px 16px -4px rgba(15, 23, 42, 0.04);
  --shadow-glow: 0 0 25px rgba(14, 165, 233, 0.25);
  --shadow-gold: 0 0 20px rgba(212, 163, 75, 0.2);

  /* Border Radiuses */
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Layout Widths */
  --container-max: 1240px;
  --container-narrow: 980px;
  --container-pad: clamp(1rem, 3vw, 2rem);
}