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

: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, 7rem);

  /* 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;

  /* Radii / shadows / transitions */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;
  --transition-interactive: 200ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Content widths */
  --content-narrow: 640px;
  --content-default: 1080px;
  --content-wide: 1240px;

  /* Fonts */
  --font-display: 'Clash Display', 'Trebuchet MS', system-ui, sans-serif;
  --font-body: 'Satoshi', 'Helvetica Neue', system-ui, sans-serif;
}

/* LIGHT — Caribbean sunset palette */
:root,
[data-theme='light'] {
  --color-bg: #FBF6EE;            /* warm cream sand */
  --color-surface: #FFFCF6;       /* lightest sand */
  --color-surface-2: #F5EBDB;     /* deeper sand */
  --color-surface-offset: #ECE0CB;
  --color-divider: #E0D2BB;
  --color-border: #D5C4A8;

  --color-text: #1F2A2E;          /* deep teal-charcoal */
  --color-text-muted: #5A6770;
  --color-text-faint: #8E9AA1;
  --color-text-inverse: #FFFCF6;

  --color-primary: #0E6E73;       /* Caribbean teal */
  --color-primary-hover: #0A5256;
  --color-primary-active: #073B3F;
  --color-primary-soft: #CDE4E5;

  --color-accent: #E36A2C;        /* sunset orange */
  --color-accent-hover: #C2541F;
  --color-accent-soft: #FAD9C5;

  --color-gold: #E5A33A;
  --color-coral: #E27170;

  --shadow-sm: 0 1px 2px rgba(31, 42, 46, 0.06);
  --shadow-md: 0 6px 18px rgba(31, 42, 46, 0.10);
  --shadow-lg: 0 18px 48px rgba(14, 110, 115, 0.18);
}

/* DARK — twilight reef */
[data-theme='dark'] {
  --color-bg: #0E1518;
  --color-surface: #15201F;
  --color-surface-2: #1A2825;
  --color-surface-offset: #21302C;
  --color-divider: #28332F;
  --color-border: #3B4845;

  --color-text: #E8E0D0;
  --color-text-muted: #9AA59E;
  --color-text-faint: #6E7972;
  --color-text-inverse: #0E1518;

  --color-primary: #4DC0C8;
  --color-primary-hover: #6FD4DB;
  --color-primary-active: #88E1E7;
  --color-primary-soft: #1B3A3D;

  --color-accent: #FF8A4A;
  --color-accent-hover: #FFA570;
  --color-accent-soft: #4A2914;

  --color-gold: #F1B95C;
  --color-coral: #F18A89;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 6px 18px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 18px 48px rgba(0, 0, 0, 0.55);
}

/* ===== Base 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: 84px;
}

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);
  font-feature-settings: 'ss01', 'cv11';
}

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

h1, h2, h3, h4, h5, h6 {
  text-wrap: balance;
  line-height: 1.1;
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.015em;
}

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

a { color: var(--color-primary); text-decoration: none; }
a:hover { color: var(--color-primary-hover); }

::selection {
  background: var(--color-accent-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;
  }
}

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;
}