/* ============================================================
   WCS-FARM — Design Tokens
   Paleta agrícola: Water (azul) · Carbon (grafite) · Soil (terra/verde)
   ============================================================ */
:root {
  /* Brand — verde de campo */
  --c-green-900: #143824;
  --c-green-800: #1c4d2f;
  --c-green-700: #266a3f;   /* primária */
  --c-green-600: #2f7d4a;
  --c-green-500: #3d9a5c;
  --c-green-300: #8fc6a0;
  --c-green-100: #dceee1;
  --c-green-tint: #eef5ef;

  /* Lime — cor de assinatura da marca WCS-FARM */
  --c-lime: #d3d87f;
  --c-lime-deep: #b6bd55;
  --c-lime-dark: #8f9637;
  --c-lime-tint: #f4f5e4;

  /* Acentos temáticos WCS */
  --c-water: #2b7fb0;       /* Water Productivity */
  --c-water-tint: #e6f1f8;
  --c-gold: #c8a23a;        /* destaque quente (uso pontual) */
  --c-gold-tint: #faf2dd;
  --c-soil: #8a5a34;        /* Soil */
  --c-soil-tint: #f3ebe2;

  /* Neutros */
  --c-ink: #15201a;
  --c-body: #38453d;
  --c-muted: #6a766c;
  --c-line: #e3e9e0;
  --c-line-soft: #eef2eb;
  --c-surface: #ffffff;
  --c-surface-2: #f6f8f3;
  --c-bg: #f3f6ef;
  --c-white: #ffffff;

  /* Semânticos */
  --color-primary: var(--c-green-700);
  --color-primary-dark: var(--c-green-800);
  --color-accent: var(--c-lime);
  --link-hover: var(--c-green-600);

  /* Tipografia */
  --font-sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-display: "Space Grotesk", "Inter", system-ui, sans-serif;

  /* Escala fluida (clamp: mobile → desktop) */
  --fs-300: clamp(0.8rem, 0.78rem + 0.1vw, 0.875rem);
  --fs-400: clamp(0.95rem, 0.9rem + 0.2vw, 1.0625rem);
  --fs-500: clamp(1.05rem, 0.98rem + 0.35vw, 1.25rem);
  --fs-600: clamp(1.3rem, 1.1rem + 0.9vw, 1.75rem);
  --fs-700: clamp(1.7rem, 1.35rem + 1.7vw, 2.6rem);
  --fs-800: clamp(2.2rem, 1.6rem + 2.9vw, 3.8rem);
  --fs-900: clamp(2.8rem, 1.9rem + 4.4vw, 5.2rem);

  /* Espaçamento */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4.5rem;
  --space-9: 6.5rem;

  /* Layout */
  --container: 1440px;
  --container-narrow: 820px;
  --radius-sm: 0;
  --radius: 0;
  --radius-lg: 0;
  --radius-pill: 0;

  /* Sombras — sutis, estética editorial baseada em bordas */
  --shadow-sm: 0 1px 2px rgba(20, 40, 28, 0.05);
  --shadow: 0 4px 14px rgba(20, 40, 28, 0.07);
  --shadow-lg: 0 14px 34px rgba(20, 40, 28, 0.12);

  /* Animação */
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --dur-fast: 160ms;
  --dur: 320ms;
  --dur-slow: 620ms;

  --header-h: 72px;
}