/* ==========================================
   Zamba Pharma - Global Styles & CSS Reset
   ========================================== */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700;800&family=Plus+Jakarta+Sans:wght@400;500;600;700&display=swap');
@import './variables.css';

/* Reset & Box Sizing */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family-body);
  background-color: var(--color-bg-body);
  color: var(--color-text-main);
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* Accessibility Focus States */
:focus-visible {
  outline: 3px solid var(--color-focus-ring);
  outline-offset: 3px;
  border-radius: 4px;
}

/* Skip link for screen readers */
.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  background: var(--color-primary-800);
  color: var(--color-text-inverse);
  padding: 0.75rem 1.25rem;
  z-index: 9999;
  border-radius: var(--radius-sm);
  font-weight: 600;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 1rem;
}

/* Typography Hierarchy */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-family-heading);
  color: var(--color-primary-900);
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.02em;
}

h1 { 
  font-size: clamp(1.75rem, 4.5vw, 3.75rem);
  overflow-wrap: break-word;
}
h2 { font-size: clamp(1.85rem, 3.2vw, 2.65rem); }
h3 { font-size: clamp(1.35rem, 2.2vw, 1.75rem); }
h4 { font-size: 1.25rem; }

p {
  color: var(--color-text-muted);
  margin-bottom: 1rem;
}

p:last-child {
  margin-bottom: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

img, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

button, input, select, textarea {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

/* Layout Utilities */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-lg);
  padding-right: var(--space-lg);
}

.section {
  padding-top: var(--space-3xl);
  padding-bottom: var(--space-3xl);
  position: relative;
}

.section-alt {
  background-color: var(--color-bg-surface);
}

.section-header {
  max-width: 760px;
  margin-bottom: var(--space-2xl);
}

.section-header.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.85rem;
  background-color: var(--color-teal-100);
  color: var(--color-teal-700);
  border-radius: var(--radius-full);
  font-size: 0.825rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 1rem;
  border: 1px solid rgba(0, 168, 135, 0.2);
  max-width: 100%;
  white-space: normal;
  line-height: 1.35;
}

.badge-primary {
  background-color: rgba(255, 255, 255, 0.12);
  color: var(--color-teal-400);
  border: 1px solid rgba(26, 209, 172, 0.3);
}

/* Screen reader only utility */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .section {
    padding-top: var(--space-2xl);
    padding-bottom: var(--space-2xl);
  }

  .container {
    padding-left: var(--space-md);
    padding-right: var(--space-md);
  }
}