/* Design tokens — ported verbatim from src/styles/variables.scss.
   Single source of truth for light/dark theming; Tailwind theme maps to these vars. */

:root {
  --container-max-width: 1600px;
  color-scheme: light;
  --background: #FAFBFC;
  --surface: #FFFFFF;
  --surface-2: #F4F6F9;
  --card: #FFFFFF;

  --primary: #1B54D8;
  --primary-hover: #1648BE;
  --primary-light: rgba(27, 84, 216, 0.08);

  --purple: #5B4FCF;
  --purple-light: rgba(91, 79, 207, 0.08);

  --accent: #D4A012;
  --accent-hover: #E8B820;

  --white: #FFFFFF;
  --heading: #1A2332;
  --text: #4A5568;
  --muted: #718096;

  --glass-bg: rgba(255, 255, 255, 0.92);
  --glass-border: #E8ECF0;
  --border: #E8ECF0;
  --divider: #EDF0F4;

  --success: #16A34A;
  --error: #DC2626;

  /* Gradients */
  --primary-gradient: linear-gradient(135deg, #1B54D8 0%, #3B72F0 100%);
  --hero-gradient: linear-gradient(180deg, #FFFFFF 0%, #FFFFFF 100%);
  --hero-bg: #FFFFFF;
  --hero-fade: linear-gradient(to bottom, transparent 92%, #FFFFFF 100%);
  --hero-overlay-opacity: 0;
  --hero-orb-blue: transparent;
  --hero-orb-accent: transparent;
  --hero-orb-opacity: 0;
  --accent-glow: radial-gradient(circle, rgba(212, 160, 18, 0.12) 0%, transparent 100%);

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(26, 35, 50, 0.06);
  --shadow-md: 0 8px 24px rgba(26, 35, 50, 0.08);
  --shadow-lg: 0 16px 48px rgba(26, 35, 50, 0.10);
  --glow-blue: 0 0 0 3px rgba(27, 84, 216, 0.12);

  /* Font Sizes (Fluid Typography System) */
  --fs-hero: clamp(2rem, 3vw + 0.75rem, 2.75rem);
  --fs-h1: clamp(2.25rem, 4vw + 0.5rem, 3.75rem);
  --fs-h2: clamp(1.75rem, 2.5vw + 0.75rem, 2.5rem);
  --fs-h3: clamp(1rem, 1.5vw + 0.5rem, 1.375rem);
  --fs-h4: clamp(1rem, 1vw + 0.5rem, 1.25rem);
  --fs-body: clamp(1rem, 0.5vw + 0.875rem, 1.125rem);
  --fs-subtitle: clamp(1rem, 1.5vw + 0.25rem, 1.25rem);
  --fs-small: 0.875rem;
  --fs-xs: 0.75rem;

  /* Font Weights */
  --fw-light: 300;
  --fw-regular: 400;
  --fw-medium: 500;
  --fw-semibold: 600;
  --fw-bold: 700;
  --fw-extrabold: 800;

  --nav-bg: rgba(255, 255, 255, 0.92);
  --nav-text: #4A5568;
  --nav-heading: #1A2332;
  --nav-muted: #7A8A9E;
  --nav-border: #E8ECF0;
  --nav-active-bg: rgba(27, 84, 216, 0.12);
  --nav-active-border: rgba(27, 84, 216, 0.28);
  --nav-active-text: #1648BE;
  --nav-hover-text: #1B54D8;
  --sticky-bar-bg: rgba(255, 255, 255, 0.95);
  --on-primary: #FFFFFF;
  --decorative-faint: rgba(26, 35, 50, 0.06);
  --overlay-text: #FFFFFF;

  /* Motion tokens */
  --ease-soft: cubic-bezier(0.25, 0.8, 0.25, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.33, 1, 0.68, 1);
  --motion-fast: 0.2s var(--ease-soft);
  --motion-base: 0.35s var(--ease-out);
  --motion-slow: 0.65s var(--ease-out);
  --motion-reveal: 0.75s var(--ease-out);

  /* Button shine sweep */
  --btn-shine-core: rgba(255, 255, 255, 0.24);
  --btn-shine-fade: rgba(255, 255, 255, 0.05);
  --btn-shine-surface-core: rgba(255, 255, 255, 0.55);
  --btn-shine-surface-fade: rgba(255, 255, 255, 0.12);
}

[data-theme='dark'] {
  color-scheme: dark;

  --background: #0C1017;
  --surface: #141B26;
  --surface-2: #1C2533;
  --card: #1A2332;

  --primary: #4B8AF5;
  --primary-hover: #6BA0FF;
  --primary-light: rgba(75, 138, 245, 0.14);

  --purple: #8B7FE8;
  --purple-light: rgba(139, 127, 232, 0.12);

  --accent: #E8B820;
  --accent-hover: #F5C832;

  --heading: #EDF2F7;
  --text: #A8B5C4;
  --muted: #7A8A9E;

  --glass-bg: rgba(20, 27, 38, 0.92);
  --glass-border: #2D3A4F;
  --border: #2A3548;
  --divider: #232D3D;

  --hero-gradient: linear-gradient(160deg, #0f1a2e 0%, #121a28 45%, #0C1017 100%);
  --hero-bg: linear-gradient(180deg, #121a28 0%, #0C1017 55%, #080b10 100%);
  --hero-fade: linear-gradient(to bottom, transparent 78%, #0C1017 100%);
  --hero-overlay-opacity: 0.65;
  --hero-orb-blue: radial-gradient(circle, rgba(75, 138, 245, 0.22) 0%, rgba(75, 138, 245, 0.06) 40%, transparent 72%);
  --hero-orb-accent: radial-gradient(circle, rgba(139, 127, 232, 0.14) 0%, rgba(232, 184, 32, 0.05) 45%, transparent 72%);
  --hero-orb-opacity: 1;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.28);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.36);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.44);
  --glow-blue: 0 0 0 3px rgba(75, 138, 245, 0.2);

  --nav-bg: rgba(20, 27, 38, 0.94);
  --nav-text: #D5DEEA;
  --nav-heading: #FFFFFF;
  --nav-muted: #A8B5C4;
  --nav-border: rgba(255, 255, 255, 0.14);
  --nav-active-bg: rgba(107, 160, 255, 0.24);
  --nav-active-border: rgba(139, 184, 255, 0.45);
  --nav-active-text: #FFFFFF;
  --nav-hover-text: #FFFFFF;
  --sticky-bar-bg: rgba(20, 27, 38, 0.96);
  --on-primary: #FFFFFF;
  --decorative-faint: rgba(237, 242, 247, 0.06);
  --overlay-text: #FFFFFF;

  --btn-shine-core: rgba(255, 255, 255, 0.2);
  --btn-shine-fade: rgba(255, 255, 255, 0.04);
  --btn-shine-surface-core: rgba(255, 255, 255, 0.22);
  --btn-shine-surface-fade: rgba(255, 255, 255, 0.06);
}