/* ==========================================================================
   Layout Styles — Header, Footer, Page Structure, Hero, Sections
   ========================================================================== */

/* ==========================================================================
   Header
   ========================================================================== */

.header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background: var(--color-white);
  border-bottom: 1px solid var(--color-gray-200);
  transition: box-shadow var(--transition-base), background var(--transition-base);
}

.header.scrolled {
  box-shadow: var(--shadow-lg);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

.header-logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
}

.header-logo img {
  height: 44px;
  width: auto;
}

.header-nav-desktop {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  height: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

.header-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  color: var(--color-gray-800);
}

.header-toggle .icon-bars,
.header-toggle .icon-x {
  width: 24px;
  height: 24px;
}

.header-toggle[aria-expanded="true"] .icon-bars {
  display: none;
}

.header-toggle[aria-expanded="false"] .icon-bars {
  display: block;
}

.header-toggle[aria-expanded="true"] .icon-x {
  display: block;
}

.header-toggle[aria-expanded="false"] .icon-x {
  display: none;
}

/* ==========================================================================
   Navigation (see navigation.css for mega menu details)
   ========================================================================== */

/* ==========================================================================
   Hero - Full Pages / Home
   ========================================================================== */

.hero {
  position: relative;
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 55%, var(--color-primary-light) 100%);
  color: var(--color-white);
  padding-top: var(--space-24);
  padding-bottom: var(--space-24);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 70%;
  height: 160%;
  background: radial-gradient(circle at center, rgba(0, 184, 169, 0.18) 0%, transparent 60%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -60%;
  left: -15%;
  width: 60%;
  height: 160%;
  background: radial-gradient(circle at center, rgba(244, 163, 0, 0.12) 0%, transparent 60%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero h1 {
  color: var(--color-white);
  margin-bottom: var(--space-6);
}

.hero p {
  font-size: var(--text-lg);
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: var(--space-8);
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: rgba(255, 255, 255, 0.9);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: var(--font-regular);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: var(--space-6);
}

/* Hero variant: page hero (smaller) */
.hero-page {
  position: relative;
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 70%, var(--color-primary-light) 100%);
  color: var(--color-white);
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
  overflow: hidden;
}

.hero-page::after {
  content: '';
  position: absolute;
  top: -30%;
  right: -10%;
  width: 50%;
  height: 160%;
  background: radial-gradient(circle at center, rgba(0, 184, 169, 0.2) 0%, transparent 60%);
  pointer-events: none;
}

.hero-page .container {
  position: relative;
  z-index: 1;
}

.hero-page h1 {
  color: var(--color-white);
  margin-bottom: var(--space-4);
}

.hero-page p {
  color: rgba(255, 255, 255, 0.85);
  max-width: 640px;
  margin-bottom: 0;
}

/* Breadcrumbs — light bar below the page banner */
.breadcrumb-bar {
  background: #fff;
  border-bottom: 1px solid var(--color-gray-200);
  padding: var(--space-3) 0;
}

.breadcrumbs {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--color-gray-600);
}

.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
}

.breadcrumbs li {
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
}

.breadcrumbs li + li::before {
  content: '/';
  margin: 0 var(--space-2);
  color: var(--color-gray-400);
}

.breadcrumbs a {
  color: var(--color-primary-dark);
  transition: color var(--transition-fast);
}

.breadcrumbs a:hover {
  color: var(--color-primary);
}

.breadcrumbs .current {
  color: var(--color-gray-700);
  font-weight: var(--font-medium);
}

/* ==========================================================================
   Section Headers
   ========================================================================== */

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto var(--space-12) auto;
}

.section-header-left {
  text-align: left;
  margin-left: 0;
}

.section-eyebrow {
  display: inline-block;
  color: var(--color-secondary);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--space-3);
}

.section-header h2 {
  margin-bottom: var(--space-4);
}

.section-header p {
  color: var(--color-gray-500);
  font-size: var(--text-lg);
}

/* ==========================================================================
   Cards
   ========================================================================== */

.card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-gray-300);
}

.card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: var(--color-gray-50);
  color: var(--color-primary);
  margin-bottom: var(--space-6);
}

.card-icon svg {
  width: 28px;
  height: 28px;
}

.card-title {
  font-size: var(--text-xl);
  margin-bottom: var(--space-3);
}

.card-text {
  color: var(--color-gray-500);
  margin-bottom: var(--space-6);
}

.card-link {
  font-weight: var(--font-semibold);
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
}

.card-link .arrow {
  transition: transform var(--transition-fast);
}

.card-link:hover .arrow {
  transform: translateX(4px);
}

/* ==========================================================================
   Feature / Value Points
   ========================================================================== */

.feature {
  display: flex;
  gap: var(--space-4);
}

.feature-icon {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(0, 184, 169, 0.1);
  color: var(--color-secondary);
}

.feature-icon svg {
  width: 24px;
  height: 24px;
}

.feature-content h4 {
  margin-bottom: var(--space-2);
}

.feature-content p {
  color: var(--color-gray-500);
  margin-bottom: 0;
  font-size: var(--text-sm);
}

/* ==========================================================================
   Stats
   ========================================================================== */

.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

.stat-number {
  font-family: var(--font-heading);
  font-size: var(--text-4xl);
  font-weight: var(--font-extrabold);
  color: var(--color-primary);
  line-height: 1;
}

.stat-label {
  color: var(--color-gray-500);
  font-size: var(--text-sm);
  margin-top: var(--space-2);
}

/* Stats on dark background */
.stats-dark {
  background: var(--color-primary-dark);
  color: var(--color-white);
}

.stats-dark .stat-number {
  color: var(--color-white);
}

.stats-dark .stat-label {
  color: rgba(255, 255, 255, 0.7);
}

/* ==========================================================================
   CTAs
   ========================================================================== */

.cta-section {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 60%, var(--color-primary-light) 100%);
  color: var(--color-white);
  padding: var(--space-16) 0;
  text-align: center;
}

.cta-section h2 {
  color: var(--color-white);
  margin-bottom: var(--space-4);
}

.cta-section p {
  color: rgba(255, 255, 255, 0.85);
  max-width: 560px;
  margin: 0 auto var(--space-8) auto;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-4);
}

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
  background: var(--color-primary-dark);
  color: rgba(255, 255, 255, 0.7);
  padding-top: var(--space-16);
  font-size: var(--text-sm);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 2fr 2fr 1.5fr 2fr 1.2fr;
  gap: var(--space-8);
  padding-bottom: var(--space-12);
}

.footer h3,
.footer h4 {
  color: var(--color-white);
  font-size: var(--text-base);
  margin-bottom: var(--space-4);
  font-weight: var(--font-semibold);
}

.footer-brand img {
  height: 40px;
  margin-bottom: var(--space-4);
}

.logo-white {
  filter: brightness(0) invert(1);
}

.footer-brand p {
  margin-bottom: var(--space-6);
  line-height: 1.7;
}

.footer-social {
  display: flex;
  gap: var(--space-3);
}

.footer-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.06);
  color: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

.footer-social a:hover {
  background: var(--color-secondary);
  color: var(--color-white);
  transform: translateY(-2px);
}

.footer-social svg {
  width: 18px;
  height: 18px;
}

.footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-links li {
  margin-bottom: var(--space-2);
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  transition: color var(--transition-fast), padding-left var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-white);
  padding-left: var(--space-1);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: var(--space-6) 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
  font-size: var(--text-xs);
}

.footer-bottom-links {
  display: flex;
  gap: var(--space-4);
}

.footer-bottom-links a {
  color: rgba(255, 255, 255, 0.5);
}

.footer-bottom-links a:hover {
  color: var(--color-white);
}

/* ==========================================================================
   Back to top
   ========================================================================== */

.back-to-top {
  position: fixed;
  bottom: var(--space-8);
  right: var(--space-8);
  width: 46px;
  height: 46px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: var(--color-white);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity var(--transition-base), transform var(--transition-base), visibility var(--transition-base), background var(--transition-fast);
  z-index: 900;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--color-primary-light);
}

.back-to-top svg {
  width: 20px;
  height: 20px;
}

/* ==========================================================================
   Page content defaults
   ========================================================================== */

.page-content {
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
}

.page-content-narrow {
  max-width: 860px;
}

/* Two-column content block */
.content-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
}

/* Alternate gray section */
.section-alt {
  background: var(--color-gray-50);
}

/* ==========================================================================
   Tags / Badges / Chips
   ========================================================================== */

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  background: var(--color-gray-100);
  color: var(--color-gray-700);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  white-space: nowrap;
}

.badge-primary {
  background: rgba(10, 61, 98, 0.1);
  color: var(--color-primary);
}

.badge-secondary {
  background: rgba(0, 184, 169, 0.12);
  color: var(--color-secondary-dark);
}

.badge-accent {
  background: rgba(244, 163, 0, 0.15);
  color: #B07A00;
}

.badge-success {
  background: rgba(16, 185, 129, 0.12);
  color: var(--color-success);
}

.badge-danger {
  background: rgba(239, 68, 68, 0.12);
  color: var(--color-danger);
}