/* ============================================
   BCKA — BASE CSS
   Bleed Control Kits Australia
   ============================================ */

/* --- Reset & Box Sizing --- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* --- Design Tokens --- */
:root {
  /* Type Scale (fluid) */
  --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 (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;

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

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

  /* Transitions */
  --transition: 180ms 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);

  /* BCKA Brand Palette — Dark Mode Primary */
  --color-bg:              #080808;
  --color-surface:         #0f0f0f;
  --color-surface-2:       #141414;
  --color-surface-raised:  #1a1a1a;
  --color-border:          #2a2a2a;
  --color-divider:         #1e1e1e;

  --color-text:            #f0eeea;
  --color-text-muted:      #8a8884;
  --color-text-faint:      #4a4846;
  --color-text-inverse:    #080808;

  /* Primary: blood red */
  --color-primary:         #C8102E;
  --color-primary-hover:   #a50d25;
  --color-primary-active:  #830a1d;
  --color-primary-light:   rgba(200, 16, 46, 0.12);
  --color-primary-glow:    rgba(200, 16, 46, 0.25);

  /* Accent: white for contrast */
  --color-accent:          #ffffff;
  --color-accent-muted:    rgba(255,255,255,0.7);

  /* Fonts */
  --font-display: 'Clash Display', 'Arial Black', sans-serif;
  --font-body:    'Satoshi', 'Inter', sans-serif;
}

/* Light mode override */
[data-theme="light"] {
  --color-bg:              #f8f6f2;
  --color-surface:         #ffffff;
  --color-surface-2:       #f2f0ec;
  --color-surface-raised:  #ffffff;
  --color-border:          #e0ddd8;
  --color-divider:         #e8e5e0;

  --color-text:            #0f0d0b;
  --color-text-muted:      #6b6966;
  --color-text-faint:      #b0adaa;
  --color-text-inverse:    #f0eeea;

  --color-primary:         #C8102E;
  --color-primary-hover:   #a50d25;
  --color-primary-active:  #830a1d;
  --color-primary-light:   rgba(200, 16, 46, 0.08);
  --color-primary-glow:    rgba(200, 16, 46, 0.2);

  --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(0,0,0,0.15);
}

/* --- Base Styles --- */
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: var(--space-20);
}

body {
  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);
  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: 1.1;
  font-family: var(--font-display);
  letter-spacing: -0.02em;
}

p, li, figcaption {
  text-wrap: pretty;
  max-width: 68ch;
}

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

: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; }

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

.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;
}

/* --- Layout Utilities --- */
.container {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-6);
}
.container--narrow {
  max-width: var(--content-narrow);
}
.container--default {
  max-width: var(--content-default);
}

.section-pad {
  padding-block: clamp(var(--space-16), 8vw, var(--space-32));
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-8);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  white-space: nowrap;
}

.btn--primary {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}
.btn--primary:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  box-shadow: 0 0 24px var(--color-primary-glow);
}

.btn--outline {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn--outline:hover {
  border-color: var(--color-text-muted);
  color: var(--color-text);
}

.btn--white {
  background: #fff;
  color: var(--color-primary);
  border-color: #fff;
}
.btn--white:hover {
  background: #f0eeea;
  border-color: #f0eeea;
}

.btn--lg {
  padding: var(--space-4) var(--space-10);
  font-size: var(--text-base);
}

/* --- Section Labels --- */
.section-label {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

/* --- Dividers --- */
.divider {
  width: 3rem;
  height: 3px;
  background: var(--color-primary);
  margin-block: var(--space-6);
}