/* =============================================
   BASE — reset, typography, global utilities
   ============================================= */

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-primary);
}

h1 { font-size: var(--text-5xl); }
h2 { font-size: var(--text-3xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }

p {
  line-height: 1.75;
  color: var(--color-text-muted);
}

a {
  color: var(--color-action);
  text-decoration: none;
  transition: color var(--transition-fast);
}
a:hover { color: var(--color-action-hover); }

img { max-width: 100%; height: auto; display: block; }
ul  { list-style: none; }

/* ---- Layout helpers ---- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.section     { padding: var(--space-20) 0; }
.section-alt { background-color: var(--color-ice); }
.section-dark {
  background-color: var(--color-primary);
  color: var(--color-white);
}
.section-dark h2,
.section-dark h3,
.section-dark h4 { color: var(--color-white); }
.section-dark p  { color: rgba(255,255,255,0.75); }

.section-header {
  text-align: center;
  margin-bottom: var(--space-12);
}
.section-header h2 { margin-bottom: var(--space-4); }
.section-header p {
  max-width: 600px;
  margin: 0 auto;
  font-size: var(--text-lg);
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: 600;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition-base);
  text-decoration: none;
  white-space: nowrap;
  line-height: 1;
}

.btn-primary {
  background-color: var(--color-action);
  color: var(--color-white);
  border-color: var(--color-action);
}
.btn-primary:hover {
  background-color: var(--color-action-hover);
  border-color: var(--color-action-hover);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-white);
  border-color: rgba(255,255,255,0.6);
}
.btn-outline:hover {
  background-color: var(--color-white);
  color: var(--color-primary);
  border-color: var(--color-white);
  transform: translateY(-2px);
}

.btn-outline-dark {
  background-color: transparent;
  color: var(--color-action);
  border-color: var(--color-action);
}
.btn-outline-dark:hover {
  background-color: var(--color-action);
  color: var(--color-white);
  transform: translateY(-2px);
}

.btn-whatsapp {
  background-color: #25D366;
  color: var(--color-white);
  border-color: #25D366;
}
.btn-whatsapp:hover {
  background-color: #1EBE5D;
  border-color: #1EBE5D;
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(37,211,102,0.4);
}

/* ---- Badge ---- */
.badge {
  display: inline-block;
  padding: var(--space-1) var(--space-4);
  background-color: var(--color-ice);
  color: var(--color-action);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 700;
  font-family: var(--font-heading);
  letter-spacing: 0.02em;
  margin-bottom: var(--space-4);
}

.badge-white {
  background-color: rgba(255,255,255,0.18);
  color: var(--color-white);
}