/* base.css — design tokens + reset */

:root,
[data-theme='light'] {
  /* 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, 1.4rem + 2.2vw, 3.25rem);
  --text-3xl: clamp(2.5rem, 1.4rem + 3.8vw, 4.5rem);

  /* Spacing */
  --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;

  /* Brand palette — Infant Atelier: warm ivory, oatmeal, muted sage, honey wood, dusty rose */
  --color-bg: #f4efe4;          /* warm ivory */
  --color-surface: #efe8d8;     /* oatmeal */
  --color-surface-2: #f8f4ea;   /* paper */
  --color-surface-offset: #e8dfcb;

  --color-text: #2d2a22;        /* warm charcoal */
  --color-text-muted: #6b6353;
  --color-text-faint: #a39a87;

  --color-border: #d9d1be;
  --color-divider: #e3dbc7;

  --color-primary: #5a6f4f;     /* muted sage */
  --color-primary-hover: #44563c;
  --color-primary-soft: #c8ceb9;

  --color-accent: #a98759;      /* honey wood */
  --color-accent-soft: #e6d6bc;

  /* Soft rainbow accents — used very sparingly */
  --color-rose: #d3a99f;
  --color-peach: #e0b893;
  --color-buttercup: #d9c98a;
  --color-mint: #b7c5a8;
  --color-sky: #aebfc8;
  --color-lilac: #bfb2c4;

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

  --shadow-sm: 0 1px 2px rgba(60, 50, 30, 0.06);
  --shadow-md: 0 8px 24px rgba(60, 50, 30, 0.08);
  --shadow-lg: 0 24px 60px rgba(60, 50, 30, 0.12);

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

  --content-narrow: 640px;
  --content-default: 1040px;
  --content-wide: 1240px;

  --font-display: 'Newsreader', Georgia, serif;
  --font-body: 'Work Sans', 'Helvetica Neue', system-ui, sans-serif;
}

[data-theme='dark'] {
  --color-bg: #1a1814;
  --color-surface: #221f1a;
  --color-surface-2: #26221c;
  --color-surface-offset: #2c2820;

  --color-text: #ece5d3;
  --color-text-muted: #a39a87;
  --color-text-faint: #6b6353;

  --color-border: #3a3429;
  --color-divider: #2f2a22;

  --color-primary: #9caf8e;
  --color-primary-hover: #b5c4a7;
  --color-primary-soft: #3a4435;

  --color-accent: #cda57b;
  --color-accent-soft: #4a3a26;

  --color-rose: #b08a82;
  --color-peach: #b89779;
  --color-buttercup: #b3a572;
  --color-mint: #95a487;
  --color-sky: #8b9ba5;
  --color-lilac: #9c91a3;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 24px 60px rgba(0, 0, 0, 0.5);
}

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

html {
  -webkit-text-size-adjust: none;
  -moz-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: var(--space-20);
}

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', 'calt';
  overflow-x: hidden;
}

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);
  font-weight: 400;
  letter-spacing: -0.01em;
}

p,
li,
figcaption {
  text-wrap: pretty;
  max-width: 65ch;
}

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

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

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;
}

/* Skip link */
.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-4);
  background: var(--color-primary);
  color: var(--color-surface-2);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
  z-index: 100;
  font-size: var(--text-sm);
}
.skip-link:focus {
  top: var(--space-4);
}