/* ============================================================
   BASE.CSS — WhizCoreTech Design System
   ============================================================ */

/* --- Font loading --- */
@import url('https://api.fontshare.com/v2/css?f[]=cabinet-grotesk@400,500,700,800,900&f[]=satoshi@300,400,500,700&display=swap');

/* --- Design Tokens --- */
:root {
  /* Brand Colors — Deep Ink + Electric Teal + Warm Cream */
  --color-bg: #0e1117;
  --color-surface: #141720;
  --color-surface-2: #1a1e2a;
  --color-surface-offset: #1f2330;
  --color-border: #2a2f3e;
  --color-divider: #222738;

  --color-text: #edeae3;
  --color-text-muted: #8a8fa0;
  --color-text-faint: #525769;
  --color-text-inverse: #0e1117;

  --color-primary: #00e5c3;
  --color-primary-hover: #00c9aa;
  --color-primary-active: #00a98f;
  --color-primary-dim: rgba(0, 229, 195, 0.12);
  --color-primary-glow: rgba(0, 229, 195, 0.2);

  --color-accent: #f7f3eb;
  --color-accent-dim: rgba(247, 243, 235, 0.08);

  /* Type Scale */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 5rem);
  --text-hero: clamp(3rem, 0.5rem + 7vw, 7rem);

  /* Spacing */
  --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;
  --space-32: 8rem;

  /* Radii */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.875rem;
  --radius-xl: 1.25rem;
  --radius-full: 9999px;

  /* Fonts */
  --font-display: 'Cabinet Grotesk', 'Helvetica Neue', sans-serif;
  --font-body: 'Satoshi', system-ui, sans-serif;

  /* Theme-aware UI tokens (overridden in light mode) */
  --color-on-primary: #0a0f1e;
  --color-primary-border: rgba(0, 229, 195, 0.22);
  --color-hero-ghost-border: rgba(255, 255, 255, 0.15);
  --color-card-shade: linear-gradient(to top, rgba(10, 15, 30, 0.95) 0%, rgba(10, 15, 30, 0.35) 45%, transparent 70%);
  --color-nav-scrolled: rgba(10, 15, 30, 0.82);
  --color-hero-bg-glow: rgba(0, 229, 195, 0.07);
  --color-cta-glow: rgba(0, 229, 195, 0.08);

  /* Transitions */
  --transition: 200ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 400ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.4);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.5);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.6);
  --shadow-primary: 0 0 40px rgba(0,229,195,0.15);

  /* Layout */
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;
}

/* Light mode override */
[data-theme="light"] {
  --color-bg: #f5f3ef;
  --color-surface: #ffffff;
  --color-surface-2: #faf9f7;
  --color-surface-offset: #f0ede8;
  --color-border: #ddd9d2;
  --color-divider: #e5e2dc;
  --color-text: #111318;
  --color-text-muted: #5a5e6e;
  --color-text-faint: #a0a3ae;
  --color-text-inverse: #f5f3ef;
  --color-primary: #008b77;
  --color-primary-hover: #007060;
  --color-primary-active: #005a4c;
  --color-primary-dim: rgba(0, 139, 119, 0.1);
  --color-primary-glow: rgba(0, 139, 119, 0.15);
  --color-accent: #111318;
  --color-accent-dim: rgba(17,19,24,0.06);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.1);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.12);
  --shadow-primary: 0 0 40px rgba(0,139,119,0.12);
  --color-on-primary: #ffffff;
  --color-primary-border: rgba(0, 139, 119, 0.28);
  --color-hero-ghost-border: rgba(17, 19, 24, 0.12);
  --color-card-shade: linear-gradient(to top, rgba(17, 19, 24, 0.88) 0%, rgba(17, 19, 24, 0.4) 45%, transparent 70%);
  --color-nav-scrolled: rgba(255, 255, 255, 0.92);
  --color-hero-bg-glow: rgba(0, 139, 119, 0.1);
  --color-cta-glow: rgba(0, 139, 119, 0.1);
}

/* System preference fallback */
@media (prefers-color-scheme: light) {
  :root:not([data-theme]) {
    --color-bg: #f5f3ef;
    --color-surface: #ffffff;
    --color-surface-2: #faf9f7;
    --color-surface-offset: #f0ede8;
    --color-border: #ddd9d2;
    --color-divider: #e5e2dc;
    --color-text: #111318;
    --color-text-muted: #5a5e6e;
    --color-text-faint: #a0a3ae;
    --color-text-inverse: #f5f3ef;
    --color-primary: #008b77;
    --color-primary-hover: #007060;
    --color-primary-dim: rgba(0, 139, 119, 0.1);
    --color-primary-glow: rgba(0, 139, 119, 0.15);
    --color-accent: #111318;
    --color-accent-dim: rgba(17,19,24,0.06);
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.1);
    --shadow-lg: 0 12px 40px rgba(0,0,0,0.12);
    --shadow-primary: 0 0 40px rgba(0,139,119,0.12);
    --color-on-primary: #ffffff;
    --color-primary-border: rgba(0, 139, 119, 0.28);
    --color-hero-ghost-border: rgba(17, 19, 24, 0.12);
    --color-card-shade: linear-gradient(to top, rgba(17, 19, 24, 0.88) 0%, rgba(17, 19, 24, 0.4) 45%, transparent 70%);
    --color-nav-scrolled: rgba(255, 255, 255, 0.92);
    --color-hero-bg-glow: rgba(0, 139, 119, 0.1);
    --color-cta-glow: rgba(0, 139, 119, 0.1);
  }
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: var(--space-16);
}
body {
  min-height: 100dvh;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.6;
  transition: background-color 0.3s ease, color 0.3s ease;
}
img, picture, video, canvas, svg { display: block; max-width: 100%; height: auto; }
ul[role='list'], ol[role='list'] { list-style: none; }
input, button, textarea, select { font: inherit; color: inherit; }
h1,h2,h3,h4,h5,h6 { text-wrap: balance; line-height: 1.15; font-family: var(--font-display); }
p, li, figcaption { text-wrap: pretty; }
button { cursor: pointer; background: none; border: none; }
a { color: inherit; text-decoration: none; }
table { border-collapse: collapse; width: 100%; }

::selection { background: var(--color-primary-dim); color: var(--color-text); }
:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 3px; border-radius: var(--radius-sm); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border-width: 0; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}