/* =========================================================
   Accredited Safety Solutions — Design Tokens & Base
   Industrial | Orange + Navy | NCCCO Crane Certification
   ========================================================= */

:root {
  /* 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(2.75rem, 1rem + 5.5vw, 6rem);

  /* Spacing (4px base) */
  --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;

  /* Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  --transition-interactive: 200ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Content widths */
  --content-narrow: 720px;
  --content-default: 1100px;
  --content-wide: 1320px;

  /* Fonts */
  --font-display: 'Barlow Condensed', 'Oswald', 'Arial Narrow', sans-serif;
  --font-display-2: 'Barlow Semi Condensed', var(--font-display);
  --font-body: 'Inter', 'Helvetica Neue', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;
}

/* ========= Color scheme — Industrial Navy + Safety Orange ========= */
:root {
  /* Base Color Palette */
  --color-orange: #ee6a19;
  --color-orange-2: #d25610;
  --color-orange-3: #ac4308;
  --color-navy: #0f2a3d;
  --color-navy-2: #143b54;
  --color-navy-3: #1d5070;

  /* Surfaces */
  --color-bg: #ffffff;
  --color-surface: #f7f8fa;
  --color-surface-2: #f2f4f7;

  --color-divider: #e1e5eb;
  --color-border: #cbd2db;

  /* Text */
  --color-text: #111b24;
  --color-text-heading: #1d5070;
  --color-text-muted: #4d5c6c;
  --color-text-faint: #8a98a8;
  --color-text-inverse: #ffffff;

  /* Semantic */
  --color-primary: var(--color-orange);
  --color-primary-hover: var(--color-orange-2);
  --color-primary-active: var(--color-orange-3);
  --color-secondary: var(--color-navy-3);
  --color-secondary-hover: var(--color-navy-2);
  --color-secondary-active: var(--color-navy);
  --color-accent: var(--color-navy);

  --color-success: #2e7d32;
  --color-success-highlight: #e5f2e6;
  --color-warning: var(--color-orange);
  --color-warning-highlight: #fff6e9;
  --color-error: var(--color-orange-3);

  --shadow-sm: 0 1px 2px color-mix(in srgb, var(--color-navy), transparent 92%);
  --shadow-md: 0 6px 18px color-mix(in srgb, var(--color-navy), transparent 90%);
  --shadow-lg: 0 20px 48px color-mix(in srgb, var(--color-navy), transparent 82%);
  --shadow-orange: 0 8px 24px color-mix(in srgb, var(--color-orange), transparent 68%);
}

/* =========================================================
   Reset / Base
   ========================================================= */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

body {
  min-width: 320px;
  min-height: 100dvh;
  line-height: 1.6;
  font-family: var(--font-body);
  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 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.01em;
  text-wrap: balance;
  line-height: 1.05;
  text-transform: uppercase;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button {
  cursor: pointer;
  background: none;
  border: none;
  font-family: inherit;
}

hr {
  height: 1px;
  margin-block: var(--space-3);
  background: var(--color-border);
  border: none;
}

::selection {
  background: var(--color-orange);
  color: #ffffff;
}

:focus-visible {
  outline: 3px solid var(--color-orange);
  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;
  }
}

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),
    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;
}
