/* ============================================================
   SOMOS IMPACT TRAVEL — SPACING, RADIUS, SHADOW, MOTION, LAYOUT
   ============================================================ */

:root {
  /* Spacing scale — 4px base unit */
  --space-0:  0;
  --space-1:  0.25rem;   /* 4 */
  --space-2:  0.5rem;    /* 8 */
  --space-3:  0.75rem;   /* 12 */
  --space-4:  1rem;      /* 16 */
  --space-5:  1.5rem;    /* 24 */
  --space-6:  2rem;      /* 32 */
  --space-7:  2.5rem;    /* 40 */
  --space-8:  3rem;      /* 48 */
  --space-9:  4rem;      /* 64 */
  --space-10: 5rem;      /* 80 */
  --space-11: 6.5rem;    /* 104 */
  --space-12: 8rem;      /* 128 */

  /* Radius — soft, rounded to echo the circular mark & Quicksand wordmark */
  --radius-xs:   4px;
  --radius-sm:   8px;
  --radius-md:   12px;
  --radius-lg:   18px;
  --radius-xl:   28px;
  --radius-2xl:  40px;
  --radius-pill: 999px;
  --radius-circle: 50%;

  /* Borders */
  --border-hairline: 1px;
  --border-thin:     1.5px;
  --border-thick:    2px;

  /* Shadows — warm-tinted, soft & low; never harsh black.
     Tinted with the deep-sea anchor for an earthy lift. */
  --shadow-xs:  0 1px 2px rgba(38, 70, 83, 0.06);
  --shadow-sm:  0 2px 6px rgba(38, 70, 83, 0.08);
  --shadow-md:  0 8px 20px -6px rgba(38, 70, 83, 0.14);
  --shadow-lg:  0 18px 40px -12px rgba(38, 70, 83, 0.20);
  --shadow-xl:  0 32px 64px -18px rgba(38, 70, 83, 0.26);
  --shadow-focus: 0 0 0 3px var(--terra-100);
  --shadow-inset: inset 0 1px 2px rgba(38, 70, 83, 0.08);

  /* Motion — calm, grounded. Gentle ease, no bounce. */
  --ease-standard: cubic-bezier(0.4, 0.0, 0.2, 1); /* @kind other */
  --ease-out:      cubic-bezier(0.16, 1, 0.3, 1); /* @kind other */
  --ease-in:       cubic-bezier(0.4, 0, 1, 1); /* @kind other */
  --duration-fast:   140ms; /* @kind other */
  --duration-normal: 240ms; /* @kind other */
  --duration-slow:   420ms; /* @kind other */
  --duration-reveal: 720ms; /* @kind other */

  /* Layout */
  --container-sm: 640px;
  --container-md: 820px;
  --container-lg: 1080px;
  --container-xl: 1240px;
  --gutter:       clamp(1.25rem, 5vw, 4rem); /* @kind spacing */
  --section-y:    clamp(4rem, 8vw, 8rem); /* @kind spacing */
  --z-base: 0; /* @kind other */
  --z-raised: 10; /* @kind other */
  --z-sticky: 100; /* @kind other */
  --z-overlay: 1000; /* @kind other */
  --z-modal: 1100; /* @kind other */
  --z-toast: 1200; /* @kind other */
}