/* ============================
   BASE CSS — TERRA INTELLIGENCE
   ============================ */

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

: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 + 8vw, 9rem);

  /* 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;

  /* Green Palette — Agri Theme */
  --color-bg: #030804;
  --color-surface: #070e06;
  --color-surface-2: #0a1208;
  --color-surface-offset: #0d160b;
  --color-divider: rgba(255,255,255,0.08);
  --color-border: rgba(255,255,255,0.12);

  --color-text: #f5f5f2;
  --color-text-muted: rgba(255,255,255,0.5);
  --color-text-faint: rgba(255,255,255,0.25);

  /* Primary Green Accent */
  --color-primary: #2d9e4f;
  --color-primary-light: #3dbf63;
  --color-primary-dim: rgba(45,158,79,0.15);
  --color-primary-glow: rgba(45,158,79,0.3);

  /* Accent gold for data highlights */
  --color-gold: #c9a227;
  --color-gold-dim: rgba(201,162,39,0.15);

  /* Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-full: 9999px;

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

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.4);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.5);
  --shadow-lg: 0 16px 48px rgba(0,0,0,0.6);

  /* Content widths */
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1280px;

  /* Fonts */
  --font-display: 'Barlow Condensed', 'Arial Narrow', sans-serif;
  --font-body: 'Barlow', 'Helvetica Neue', sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;
}

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: 1.6;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  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: 1.05;
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.02em;
}

p, li, figcaption {
  text-wrap: pretty;
  max-width: 72ch;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition);
}

::selection {
  background: rgba(45,158,79,0.3);
  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;
    transition-duration: 0.01ms !important;
  }
}

.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;
}