/* ============================================================
   BASE — Reset, Typography, Section Alternations
   ============================================================ */

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

html {
  scroll-behavior: smooth;
  background-color: var(--color-bg-white);
  color: var(--text-dark);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
}

body {
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
}

p {
  line-height: 1.6;
  font-size: 1.05rem;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: #F0F0F2;
}
::-webkit-scrollbar-thumb {
  background: #D8D8DC;
  border: 2px solid #F0F0F2;
  border-radius: var(--border-radius-sm);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-purple);
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--font-size-md);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  display: inline-block;
  margin-bottom: var(--spacing-sm);
  color: var(--color-purple);
}

/* ============================================================
   Utilities
   ============================================================ */
.w-100 {
  width: 100%;
}

.radius-sm {
  border-radius: var(--border-radius-sm);
}

.text-light-muted {
  color: var(--text-light-muted);
}

.mb-8 {
  margin-bottom: var(--spacing-xs);
}

.mb-24 {
  margin-bottom: var(--spacing-xl);
}

/* ============================================================
   Section Alternations — subtle rhythm of light backgrounds
   ============================================================ */
section {
  padding: var(--section-padding) 0;
  position: relative;
}

/* Pure white — Hero, Stats, Services, Contact */
.sec-dark {
  background-color: var(--color-bg-white);
  color: var(--text-dark);
}

/* Very light warm gray — Coverage, Testimonials */
.sec-dark-paper {
  background-color: var(--color-bg-paper);
  color: var(--text-dark);
}

/* Light cool gray — Clients, About, Team */
.sec-light {
  background-color: var(--color-bg-light);
  color: var(--text-dark);
}

/* Slightly deeper gray — Capacity */
.sec-light-alt {
  background-color: var(--color-bg-light-alt);
  color: var(--text-dark);
}

/* Subtle top border to visually separate sections */
.sec-dark + .sec-light,
.sec-light + .sec-dark,
.sec-dark-paper + .sec-light,
.sec-light + .sec-dark-paper,
.sec-light-alt + .sec-dark,
.sec-dark + .sec-light-alt {
  border-top: 1px solid var(--border-dark-soft);
}