/* =========================================================
   Base Styles — Exlora
   Purpose: Foundations only (NO components, NO pages)
   ========================================================= */

/* -------------------------
   CSS Reset / Box Model
   ------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI",
               Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: #111;
  background-color: #fff;
}

/* -------------------------
   Typography Scale
   ------------------------- */
h1, h2, h3, h4, h5, h6 {
  margin: 0;
  font-weight: 600;
  line-height: 1.25;
}

h1 {
  font-size: 40px;
}

h2 {
  font-size: 28px;
}

h3 {
  font-size: 20px;
}

p {
  margin: 0;
  font-size: 16px;
  color: #333;
}

small {
  font-size: 14px;
  color: #666;
}

/* -------------------------
   Links (neutral by default)
   ------------------------- */
a {
  color: inherit;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* -------------------------
   Images
   ------------------------- */
img {
  max-width: 100%;
  display: block;
}

/* -------------------------
   Layout Container
   ------------------------- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* -------------------------
   Section Spacing System
   ------------------------- */
.section {
  padding: 72px 0;
}

.section-sm {
  padding: 40px 0;
}

.section-lg {
  padding: 96px 0;
}

/* -------------------------
   Utility Helpers
   ------------------------- */
.text-center {
  text-align: center;
}

.text-muted {
  color: #666;
}

.mt-0 { margin-top: 0; }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }

.mb-0 { margin-bottom: 0; }
.mb-8 { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.mb-32 { margin-bottom: 32px; }

/* -------------------------
   Responsive Base Tweaks
   ------------------------- */
@media (max-width: 768px) {
  h1 {
    font-size: 32px;
  }

  h2 {
    font-size: 24px;
  }

  .container {
    padding-left: 16px;
    padding-right: 16px;
  }

  .section {
    padding: 56px 0;
  }

  .section-lg {
    padding: 72px 0;
  }
}