/* =========================================
   DESIGN TOKENS — Ask the Goals Coach (AI Edition)
   Palette: Deep indigo-navy + electric cyan + warm gold
   Concept: AI empowerment agency — visionary, bold, modern
   ========================================= */

:root, [data-theme="light"] {
  /* Surfaces */
  --color-bg:              #f5f5fb;
  --color-surface:         #ffffff;
  --color-surface-2:       #f0f0f8;
  --color-surface-offset:  #e8e8f4;
  --color-surface-dynamic: #dcdcee;
  --color-divider:         #d0d0e8;
  --color-border:          #c4c4dc;

  /* Text */
  --color-text:            #12102a;
  --color-text-muted:      #5c5a78;
  --color-text-faint:      #a8a6c0;
  --color-text-inverse:    #f5f5fb;

  /* Primary — Deep Indigo */
  --color-primary:         #2d1fa8;
  --color-primary-hover:   #221793;
  --color-primary-active:  #180f7a;
  --color-primary-highlight: #dddaf8;

  /* Accent — Electric Cyan */
  --color-accent:          #00b4d8;
  --color-accent-hover:    #0096b7;
  --color-accent-active:   #007a96;
  --color-accent-highlight: #caf0f8;

  /* Gold — for CTAs / highlights */
  --color-gold:            #f4a00a;
  --color-gold-hover:      #d98800;
  --color-gold-active:     #b87200;
  --color-gold-highlight:  #fde9b3;

  /* Dark surfaces for hero/contrast */
  --color-dark-bg:         #09081e;
  --color-dark-surface:    #110f2e;
  --color-dark-surface-2:  #1a1840;
  --color-dark-text:       #e8e6ff;
  --color-dark-text-muted: #9490c0;

  /* State */
  --color-success:         #059669;
  --color-error:           #dc2626;

  /* Radius */
  --radius-sm:  0.375rem;
  --radius-md:  0.5rem;
  --radius-lg:  0.75rem;
  --radius-xl:  1rem;
  --radius-2xl: 1.5rem;
  --radius-3xl: 2rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 120ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-interactive: 180ms 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(18, 16, 42, 0.08);
  --shadow-md:  0 4px 16px rgba(18, 16, 42, 0.10);
  --shadow-lg:  0 12px 40px rgba(18, 16, 42, 0.14);
  --shadow-xl:  0 24px 64px rgba(18, 16, 42, 0.18);
  --shadow-glow: 0 0 40px rgba(0, 180, 216, 0.25);
  --shadow-glow-gold: 0 0 30px rgba(244, 160, 10, 0.3);

  /* Content widths */
  --content-narrow:  640px;
  --content-default: 960px;
  --content-wide:    1200px;

  /* 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,    8rem);

  /* 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;

  /* Fonts */
  --font-display: 'Cabinet Grotesk', 'Inter', sans-serif;
  --font-body:    'Satoshi', 'Inter', sans-serif;
  --font-mono:    'JetBrains Mono', 'Courier New', monospace;
}

/* Dark mode */
[data-theme="dark"] {
  --color-bg:              #09081e;
  --color-surface:         #110f2e;
  --color-surface-2:       #1a1840;
  --color-surface-offset:  #1e1c48;
  --color-surface-dynamic: #252352;
  --color-divider:         #2e2c5e;
  --color-border:          #3a3870;
  --color-text:            #e8e6ff;
  --color-text-muted:      #9490c0;
  --color-text-faint:      #5a5880;
  --color-text-inverse:    #12102a;
  --color-primary:         #7c6ffc;
  --color-primary-hover:   #9588fd;
  --color-primary-active:  #ada0fe;
  --color-primary-highlight: #2a2660;
  --color-accent:          #22d3ee;
  --color-accent-hover:    #06b6d4;
  --color-accent-active:   #0891b2;
  --color-accent-highlight: #0c2a40;
  --color-gold:            #fbbf24;
  --color-gold-hover:      #f59e0b;
  --color-gold-active:     #d97706;
  --color-gold-highlight:  #3a2a08;
  --shadow-sm:  0 1px 3px rgba(0,0,0,0.3);
  --shadow-md:  0 4px 16px rgba(0,0,0,0.4);
  --shadow-lg:  0 12px 40px rgba(0,0,0,0.5);
  --shadow-xl:  0 24px 64px rgba(0,0,0,0.6);
  --shadow-glow: 0 0 50px rgba(34, 211, 238, 0.2);
  --shadow-glow-gold: 0 0 40px rgba(251, 191, 36, 0.25);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg:              #09081e;
    --color-surface:         #110f2e;
    --color-surface-2:       #1a1840;
    --color-surface-offset:  #1e1c48;
    --color-surface-dynamic: #252352;
    --color-divider:         #2e2c5e;
    --color-border:          #3a3870;
    --color-text:            #e8e6ff;
    --color-text-muted:      #9490c0;
    --color-text-faint:      #5a5880;
    --color-text-inverse:    #12102a;
    --color-primary:         #7c6ffc;
    --color-primary-hover:   #9588fd;
    --color-primary-active:  #ada0fe;
    --color-primary-highlight: #2a2660;
    --color-accent:          #22d3ee;
    --color-accent-hover:    #06b6d4;
    --color-accent-active:   #0891b2;
    --color-accent-highlight: #0c2a40;
    --color-gold:            #fbbf24;
    --color-gold-hover:      #f59e0b;
    --color-gold-active:     #d97706;
    --color-gold-highlight:  #3a2a08;
    --shadow-glow: 0 0 50px rgba(34, 211, 238, 0.2);
  }
}

/* =========================================
   BASE RESET
   ========================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  -moz-text-size-adjust: none;
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  hanging-punctuation: first last;
  scroll-padding-top: var(--space-16);
}

body {
  min-height: 100dvh;
  line-height: 1.65;
  font-family: var(--font-body, sans-serif);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  transition: background-color var(--transition-slow), color var(--transition-slow);
}

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: 1.12; font-family: var(--font-display); }
p, li, figcaption { text-wrap: pretty; max-width: 72ch; }

::selection { background: var(--color-primary-highlight); color: var(--color-text); }

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

@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;
  }
}

button { cursor: pointer; background: none; border: none; }
table { border-collapse: collapse; width: 100%; }

a, button, [role="button"], input, textarea, select {
  transition:
    color var(--transition-interactive),
    background var(--transition-interactive),
    border-color var(--transition-interactive),
    box-shadow var(--transition-interactive),
    opacity var(--transition-interactive),
    transform var(--transition-interactive);
}

.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;
}