/* Sebyone — Radii, borders, shadows, motion
   The brand skews technical & squared: modest radii, crisp 1px borders,
   soft cool-tinted shadows. Petrol tint in shadows keeps them from going muddy. */
:root {
  /* Corner radii */
  --radius-none: 0;
  --radius-xs: 3px;
  --radius-sm: 5px;
  --radius-md: 8px;   /* default card/control */
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 22px;
  --radius-pill: 999px;

  /* Borders */
  --border-width: 1px;
  --border-width-thick: 2px;
  --border-hairline: 1px solid var(--border);
  --border-card: 1px solid var(--border);

  /* Shadows (petrol-tinted, cool) */
  --shadow-xs: 0 1px 2px rgba(5, 36, 47, 0.06);
  --shadow-sm: 0 1px 3px rgba(5, 36, 47, 0.08), 0 1px 2px rgba(5, 36, 47, 0.05);
  --shadow-md: 0 4px 12px rgba(5, 36, 47, 0.10), 0 2px 4px rgba(5, 36, 47, 0.06);
  --shadow-lg: 0 12px 28px rgba(5, 36, 47, 0.14), 0 4px 8px rgba(5, 36, 47, 0.07);
  --shadow-xl: 0 24px 56px rgba(5, 36, 47, 0.18);
  --shadow-focus: 0 0 0 3px var(--focus-ring);
  --shadow-accent: 0 6px 18px rgba(5, 186, 193, 0.28); /* cyan glow for accent CTAs */

  /* Gradients / signature washes */
  --gradient-petrol: linear-gradient(135deg, #004767 0%, #05242f 100%); /* @kind color */
  --gradient-cyan: linear-gradient(120deg, #05bac1 0%, #037a7f 100%); /* @kind color */
  --gradient-hero: linear-gradient(120deg, #05242f 0%, #004767 55%, #045a5e 100%); /* @kind color */

  /* Motion */
  --ease-standard: cubic-bezier(0.2, 0, 0.15, 1); /* @kind other */
  --ease-emphasized: cubic-bezier(0.2, 0.7, 0.1, 1); /* @kind other */
  --duration-fast: 120ms; /* @kind other */
  --duration-base: 200ms; /* @kind other */
  --duration-slow: 320ms; /* @kind other */
  --transition-base: all var(--duration-base) var(--ease-standard);
}