/* Art direction: Child/family psychology practice → warm, nurturing, safe, professional
   Palette: Warm sage green primary, cream/ivory backgrounds, soft earth tones
   Typography: Cormorant (display serif) + Plus Jakarta Sans (humanist sans body)
   Density: Spacious — generous whitespace, editorial feel */

/* ===== TYPE SCALE ===== */
:root {
  --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);
}

/* ===== 4px SPACING ===== */
:root {
  --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;
}

/* ===== CUSTOM WARM SAGE PALETTE — Light Mode ===== */
:root, [data-theme="light"] {
  /* Surfaces — warm cream/ivory */
  --color-bg:               #faf8f4;
  --color-surface:          #fdfcf9;
  --color-surface-2:        #ffffff;
  --color-surface-offset:   #f5f2ec;
  --color-surface-offset-2: #eeebe4;
  --color-surface-dynamic:  #e7e3db;
  --color-divider:          #ddd9d0;
  --color-border:           #d0ccc3;

  /* Text — warm dark browns */
  --color-text:             #2c2a24;
  --color-text-muted:       #6e6b62;
  --color-text-faint:       #a9a69e;
  --color-text-inverse:     #faf8f4;

  /* Primary — soft sage green */
  --color-primary:          #5a7a5e;
  --color-primary-hover:    #4a6a4e;
  --color-primary-active:   #3b5b3f;
  --color-primary-highlight: #d6e4d8;

  /* Warning (warm amber) */
  --color-warning:          #9a6a2f;
  --color-warning-hover:    #7c5424;
  --color-warning-active:   #5e3e1a;
  --color-warning-highlight: #e8dbc8;

  /* Error (soft rose) */
  --color-error:            #b04a5a;
  --color-error-hover:      #903a48;
  --color-error-active:     #702c38;
  --color-error-highlight:  #ecd4d8;

  /* Success (forest green) */
  --color-success:          #4a8040;
  --color-success-hover:    #366830;
  --color-success-active:   #265020;
  --color-success-highlight: #d4e2d0;

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Shadows — warm toned */
  --shadow-sm: 0 1px 2px oklch(0.25 0.02 70 / 0.06);
  --shadow-md: 0 4px 12px oklch(0.25 0.02 70 / 0.08);
  --shadow-lg: 0 12px 32px oklch(0.25 0.02 70 / 0.12);

  /* Content widths */
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;
  --content-full: 100%;
}

/* ===== DARK MODE ===== */
[data-theme="dark"] {
  --color-bg:               #1a1916;
  --color-surface:          #1f1e1b;
  --color-surface-2:        #242320;
  --color-surface-offset:   #201f1c;
  --color-surface-offset-2: #282724;
  --color-surface-dynamic:  #32312e;
  --color-divider:          #2c2b28;
  --color-border:           #3e3d3a;

  --color-text:             #d8d6d0;
  --color-text-muted:       #908e88;
  --color-text-faint:       #5e5d5a;
  --color-text-inverse:     #1a1916;

  --color-primary:          #7da882;
  --color-primary-hover:    #6a9670;
  --color-primary-active:   #57845e;
  --color-primary-highlight: #2a3a2c;

  --color-warning:          #c4923f;
  --color-warning-hover:    #b07d30;
  --color-warning-active:   #9c6920;
  --color-warning-highlight: #3a3224;

  --color-error:            #d87080;
  --color-error-hover:      #c25868;
  --color-error-active:     #ac4050;
  --color-error-highlight:  #3e2a2e;

  --color-success:          #6aaa5e;
  --color-success-hover:    #52944a;
  --color-success-active:   #3e7e38;
  --color-success-highlight: #283a26;

  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.2);
  --shadow-md: 0 4px 12px oklch(0 0 0 / 0.3);
  --shadow-lg: 0 12px 32px oklch(0 0 0 / 0.4);
}

/* System preference fallback */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg:               #1a1916;
    --color-surface:          #1f1e1b;
    --color-surface-2:        #242320;
    --color-surface-offset:   #201f1c;
    --color-surface-offset-2: #282724;
    --color-surface-dynamic:  #32312e;
    --color-divider:          #2c2b28;
    --color-border:           #3e3d3a;
    --color-text:             #d8d6d0;
    --color-text-muted:       #908e88;
    --color-text-faint:       #5e5d5a;
    --color-text-inverse:     #1a1916;
    --color-primary:          #7da882;
    --color-primary-hover:    #6a9670;
    --color-primary-active:   #57845e;
    --color-primary-highlight: #2a3a2c;
    --color-warning:          #c4923f;
    --color-warning-hover:    #b07d30;
    --color-warning-active:   #9c6920;
    --color-warning-highlight: #3a3224;
    --color-error:            #d87080;
    --color-error-hover:      #c25868;
    --color-error-active:     #ac4050;
    --color-error-highlight:  #3e2a2e;
    --color-success:          #6aaa5e;
    --color-success-hover:    #52944a;
    --color-success-active:   #3e7e38;
    --color-success-highlight: #283a26;
    --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.2);
    --shadow-md: 0 4px 12px oklch(0 0 0 / 0.3);
    --shadow-lg: 0 12px 32px oklch(0 0 0 / 0.4);
  }
}

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

html {
  -moz-text-size-adjust: none;
  -webkit-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-16);
}

body {
  min-height: 100dvh;
  line-height: 1.6;
  font-family: var(--font-body, sans-serif);
  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 { text-wrap: balance; line-height: 1.15; }
p, li, figcaption { text-wrap: pretty; max-width: 72ch; }

::selection {
  background: oklch(from var(--color-primary) l c h / 0.25);
  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; }
table { border-collapse: collapse; width: 100%; }

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