/* ============================================================
   base.css — Delta Solutions Texas
   Tokens, reset, and foundational styles
   ============================================================ */

@font-face {
  font-family: 'Conthrax';
  src: url('assets/fonts/Conthrax-SemiBold.woff2') format('woff2'),
       url('assets/fonts/Conthrax-SemiBold.otf') format('opentype');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

:root {
  /* Type scale (fluid) */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.8125rem);
  --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, 8.5rem);

  /* 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: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-full: 9999px;

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

  /* Content widths */
  --content-narrow: 680px;
  --content-default: 1080px;
  --content-wide: 1320px;

  /* Fonts */
  --font-display: 'Clash Display', 'Arial Narrow', sans-serif;
  --font-body: 'Satoshi', 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', monospace;
  --font-logo: 'Anton', 'Impact', 'Arial Narrow', sans-serif;

  /* Brand red — constant across themes */
  --color-accent: #C8102E;
  --color-accent-hover: #A50D26;
  --color-accent-highlight: #3A0D14;
}

/* ---------- DARK (default) ---------- */
/* Warmer graphite — deeper and richer for stronger text contrast. */
:root,
[data-theme='dark'] {
  --color-bg: #0F0E12;
  --color-surface-1: #1A191E;
  --color-surface-2: #232228;
  --color-surface-light: #F3F1EE; /* light break-band inside dark pages */
  --color-border: #35333B;
  --color-border-strong: #4A4852;
  --color-text: #FBFAF8;
  --color-text-muted: #FFFFFF;
  --color-text-faint: #E6E4E0;
  --color-hero-overlay: rgba(10, 8, 12, 0.68);
  --color-on-accent: #FFFFFF;
  --logo-cutout: #17161A;
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.6);
  --color-partner-filter: grayscale(1) brightness(1.4);
}

/* ---------- LIGHT ---------- */
[data-theme='light'] {
  --color-bg: #FAF8F5;
  --color-surface-1: #FFFFFF;
  --color-surface-2: #F1EEE9;
  --color-surface-light: #FFFFFF;
  --color-border: #E4E0D9;
  --color-border-strong: #C9C4BB;
  --color-text: #1A1613;
  --color-text-muted: #5B554D;
  --color-text-faint: #A29C93;
  --color-hero-overlay: rgba(10, 8, 6, 0.42);
  --color-on-accent: #FFFFFF;
  --logo-cutout: #FAF8F5;
  --shadow-md: 0 4px 16px rgba(20, 16, 14, 0.08);
  --shadow-lg: 0 20px 50px rgba(20, 16, 14, 0.12);
  --color-partner-filter: grayscale(1) brightness(0.55);
}

/* Dark is the intentional default for this brand — no system-pref override. */

/* ---------- Reset ---------- */
*,
*::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: 6rem;
}

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);
  overflow-x: hidden;
  transition: background-color var(--transition-interactive), color var(--transition-interactive);
}

img,
picture,
video,
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: 1.05;
}

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

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

button {
  cursor: pointer;
  background: none;
  border: none;
}

::selection {
  background: var(--color-accent);
  color: #fff;
}

: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;
  }
}

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