/* ============================================
   HIRED LETTER - Editorial Minimalist Landing
   ============================================ */

: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(3rem, 0.5rem + 7vw, 7.5rem);

  /* 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;

  /* Editorial palette - ivory/ink/terracotta */
  --color-bg: #F5F1E8;            /* warm ivory */
  --color-surface: #FAF6EE;       /* slightly lighter cream */
  --color-surface-2: #FFFCF5;     /* near-white cream */
  --color-surface-offset: #ECE5D4; /* darker tan */
  --color-divider: #D9CFB8;
  --color-border: #C9BFA6;

  --color-text: #1A1714;          /* deep ink */
  --color-text-muted: #5A524A;
  --color-text-faint: #8F857A;
  --color-text-inverse: #F5F1E8;

  --color-primary: #8C3A2C;       /* muted terracotta */
  --color-primary-hover: #6E2C20;
  --color-primary-active: #4E1E16;
  --color-primary-highlight: #E8D7CC;

  --color-success: #4A6B3E;

  /* Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-interactive: 220ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(26,23,20,0.06);
  --shadow-md: 0 4px 16px rgba(26,23,20,0.08);
  --shadow-lg: 0 12px 40px rgba(26,23,20,0.12);

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

  /* Fonts */
  --font-display: 'Instrument Serif', 'Boska', Georgia, serif;
  --font-body: 'Satoshi', 'Inter', -apple-system, sans-serif;
}

/* Dark mode */
[data-theme="dark"] {
  --color-bg: #161412;
  --color-surface: #1C1A17;
  --color-surface-2: #221F1B;
  --color-surface-offset: #2A2722;
  --color-divider: #2E2A24;
  --color-border: #3F3A33;

  --color-text: #EFEAE0;
  --color-text-muted: #A89E91;
  --color-text-faint: #6F6759;
  --color-text-inverse: #161412;

  --color-primary: #C97560;
  --color-primary-hover: #D58875;
  --color-primary-active: #B6604C;
  --color-primary-highlight: #3A2924;

  --shadow-sm: 0 1px 2px 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);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #161412;
    --color-surface: #1C1A17;
    --color-surface-2: #221F1B;
    --color-surface-offset: #2A2722;
    --color-divider: #2E2A24;
    --color-border: #3F3A33;
    --color-text: #EFEAE0;
    --color-text-muted: #A89E91;
    --color-text-faint: #6F6759;
    --color-text-inverse: #161412;
    --color-primary: #C97560;
    --color-primary-hover: #D58875;
    --color-primary-active: #B6604C;
    --color-primary-highlight: #3A2924;
  }
}

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

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: var(--space-16);
}

body {
  min-height: 100dvh;
  line-height: 1.65;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  font-feature-settings: "kern", "liga", "ss01";
}

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;
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: -0.02em;
}

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

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

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

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

: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;
  }
}

a, button, [role="button"] {
  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: 0;
}