/* base.css — reset + design tokens (True Results) */
*,
*::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: 6rem;
}

body {
  min-height: 100dvh;
  line-height: 1.6;
  font-family: var(--font-body, sans-serif);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
}

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;
}
p,
li,
figcaption {
  text-wrap: pretty;
}

::selection {
  background: color-mix(in oklab, var(--color-primary) 30%, transparent);
  color: var(--color-text);
}

:focus-visible {
  outline: 2px solid var(--color-primary);
  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'],
[role='link'],
input,
textarea,
select {
  transition:
    color var(--transition-interactive),
    background var(--transition-interactive),
    border-color var(--transition-interactive),
    box-shadow 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;
}

/* ---------------------------------- */
/* Design Tokens — Type Scale          */
/* ---------------------------------- */
:root {
  --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(2.75rem, 0.5rem + 6vw, 6.5rem);

  /* Spacing (4px system) */
  --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-14: 3.5rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.625rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in: cubic-bezier(0.4, 0, 1, 1);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);

  /* Content widths */
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1220px;
  --content-full: 100%;

  /* Fonts */
  --font-display: 'Cabinet Grotesk', 'Segoe UI', sans-serif;
  --font-body: 'Satoshi', 'Segoe UI', sans-serif;
}

/* ---------------------------------- */
/* Color System — dark-default "fitness-tech" */
/* ---------------------------------- */
:root,
[data-theme='dark'] {
  --color-bg: #0e0e0f;
  --color-surface: #161617;
  --color-surface-2: #1c1c1e;
  --color-surface-offset: #090909;
  --color-surface-offset-2: #202022;
  --color-surface-dynamic: #262628;
  --color-divider: #262628;
  --color-border: #2e2e31;

  --color-text: #f5f5f6;
  --color-text-muted: #a8a8ac;
  --color-text-faint: #6f6f74;
  --color-text-inverse: #0e0e0f;

  --color-primary: #dd1029;
  --color-primary-hover: #ef1c34;
  --color-primary-active: #a80c20;
  --color-primary-highlight: #351014;
  --color-primary-ink: #ffffff;

  --color-success: #4caf6a;
  --color-warning: #e8af34;
  --color-error: #ff5c5c;

  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.35);
  --shadow-md: 0 8px 24px oklch(0 0 0 / 0.45);
  --shadow-lg: 0 20px 48px oklch(0 0 0 / 0.55);
}

[data-theme='light'] {
  --color-bg: #f7f7f7;
  --color-surface: #ffffff;
  --color-surface-2: #efeff0;
  --color-surface-offset: #0e0e0f;
  --color-surface-offset-2: #1c1c1e;
  --color-surface-dynamic: #e7e7e8;
  --color-divider: #e0e0e1;
  --color-border: #d2d2d4;

  --color-text: #161617;
  --color-text-muted: #55555a;
  --color-text-faint: #86868b;
  --color-text-inverse: #f5f5f6;

  --color-primary: #c8102e;
  --color-primary-hover: #a80c20;
  --color-primary-active: #8c0a1b;
  --color-primary-highlight: #fbe4e7;
  --color-primary-ink: #ffffff;

  --color-success: #2e7d46;
  --color-warning: #8a5b00;
  --color-error: #a13544;

  --shadow-sm: 0 1px 2px oklch(0.2 0.02 130 / 0.08);
  --shadow-md: 0 8px 24px oklch(0.2 0.02 130 / 0.12);
  --shadow-lg: 0 20px 48px oklch(0.2 0.02 130 / 0.16);
}

/* True Results defaults to dark mode regardless of system preference —
   the :root,[data-theme='dark'] rule above already covers the no-attribute
   case, so no additional system-preference override is needed here. */

html {
  background-color: var(--color-bg);
}

body {
  transition:
    background-color 260ms var(--ease-in-out),
    color 260ms var(--ease-in-out);
}