/**
 * FoksTech Layout Styles
 * Advanced navbar, theme switcher, WhatsApp CTA button, mobile drawer, footer, containers.
 */

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

.container-narrow {
  width: 100%;
  max-width: var(--container-narrow-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

.site-wrapper {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

main {
  flex: 1 0 auto;
}

/* Sections */
.section {
  padding-top: var(--space-20);
  padding-bottom: var(--space-20);
  position: relative;
}

.section-hero {
  padding-top: var(--space-20);
  padding-bottom: var(--space-16);
  background: var(--grad-hero-radial);
  position: relative;
  overflow: hidden;
  min-height: calc(100vh - 76px);
  display: flex;
  align-items: center;
}

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

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

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

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent-primary);
  background: var(--accent-primary-faint);
  border: 1px solid var(--border-accent);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-3);
}

.section-title {
  margin-bottom: var(--space-3);
  font-size: clamp(2rem, 3.5vw + 0.5rem, 3rem);
}

.section-description {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  line-height: var(--line-height-relaxed);
}

/* ==========================================================================
   ADVANCED NAVBAR
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  width: 100%;
  z-index: var(--z-header);
  background-color: var(--bg-glass);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-color);
  transition: background-color var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.site-header.scrolled {
  background-color: var(--bg-main);
  box-shadow: var(--shadow-md);
  border-bottom-color: var(--border-hover);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  gap: var(--space-4);
}

/* Brand Link with Official Animated Logo */
.brand-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--text-main);
  flex-shrink: 0;
}

.brand-link:hover {
  text-decoration: none;
}

.brand-logo-img {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  object-fit: cover;
  transition: transform var(--transition-normal), filter var(--transition-normal);
  filter: drop-shadow(0 0 10px rgba(40, 215, 242, 0.45));
}

.brand-link:hover .brand-logo-img {
  transform: scale(1.1) rotate(5deg);
  filter: drop-shadow(0 0 18px rgba(40, 215, 242, 0.8)) drop-shadow(0 0 26px rgba(139, 92, 246, 0.5));
}

.brand-name-text {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-extrabold);
  letter-spacing: -0.02em;
  color: var(--text-main);
  display: flex;
  align-items: center;
  line-height: 1;
}

/* Desktop Navigation */
.desktop-nav {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.nav-list {
  display: flex;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: var(--space-1);
}

.nav-item {
  position: relative;
  margin: 0;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 0.5rem 0.85rem;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.nav-link:hover {
  color: var(--text-main);
  background-color: var(--bg-card);
  text-decoration: none;
}

.nav-link.active {
  color: var(--accent-primary);
  background-color: var(--accent-primary-faint);
  font-weight: var(--font-weight-semibold);
}

/* Nav Dropdown */
.nav-dropdown-trigger {
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
}

.dropdown-icon {
  width: 14px;
  height: 14px;
  transition: transform var(--transition-fast);
}

.nav-item.dropdown-open .dropdown-icon {
  transform: rotate(180deg);
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 230px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: var(--space-2);
  list-style: none;
  margin: 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: opacity var(--transition-fast), transform var(--transition-fast), visibility var(--transition-fast);
  z-index: var(--z-dropdown);
}

.nav-item.dropdown-open .dropdown-menu,
.nav-item:focus-within .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-link {
  display: flex;
  flex-direction: column;
  padding: var(--space-2) var(--space-3);
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.dropdown-link:hover,
.dropdown-link:focus-visible {
  background-color: var(--bg-card-hover);
  color: var(--accent-primary);
  text-decoration: none;
}

.dropdown-title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--text-main);
}

.dropdown-sub {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
}

/* Header Actions: Theme Switcher & WhatsApp "Let's Talk" */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* Theme Toggle Button */
.theme-toggle-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  cursor: pointer;
  transition: transform var(--transition-fast), border-color var(--transition-fast), background-color var(--transition-fast), color var(--transition-fast);
}

.theme-toggle-btn:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  transform: rotate(15deg);
}

.theme-toggle-btn svg {
  width: 18px;
  height: 18px;
}

/* WhatsApp Let's Talk Button */
.btn-whatsapp {
  background-color: var(--color-whatsapp);
  color: #FFFFFF !important;
  border-color: var(--color-whatsapp);
  font-weight: var(--font-weight-semibold);
  box-shadow: 0 4px 14px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp:hover {
  background-color: var(--color-whatsapp-hover);
  border-color: var(--color-whatsapp-hover);
  color: #FFFFFF !important;
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(37, 211, 102, 0.45);
}

/* Mobile Nav Toggle Button */
.mobile-nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  cursor: pointer;
  padding: 0;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.mobile-nav-toggle:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

.mobile-nav-toggle .icon-close {
  display: none;
}

.mobile-nav-toggle[aria-expanded="true"] .icon-menu {
  display: none;
}

.mobile-nav-toggle[aria-expanded="true"] .icon-close {
  display: block;
}

/* Mobile Navigation Drawer - Viewport Layer Outside Header */
.mobile-drawer {
  display: none;
  position: fixed;
  top: 76px;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  height: calc(100vh - 76px);
  height: calc(100dvh - 76px);
  background-color: rgba(5, 8, 17, 0.98);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-top: 1px solid var(--border-color);
  padding: var(--space-6) var(--container-padding) var(--space-8);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  z-index: var(--z-modal);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity var(--transition-normal), transform var(--transition-normal), visibility var(--transition-normal);
}

[data-theme="light"] .mobile-drawer {
  background-color: rgba(248, 250, 252, 0.98);
}

.mobile-drawer.open {
  display: flex;
  flex-direction: column;
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.mobile-nav-list {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-6) 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.mobile-nav-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  color: var(--text-secondary);
  border-radius: var(--radius-md);
  text-decoration: none;
  background: transparent;
  border: 1px solid transparent;
  transition: all var(--transition-fast);
}

.mobile-nav-link:hover,
.mobile-nav-link:focus-visible {
  color: var(--text-main);
  background-color: var(--bg-card);
  border-color: var(--border-color);
  text-decoration: none;
  transform: translateX(4px);
}

.mobile-nav-link.active {
  color: var(--accent-primary);
  background-color: var(--accent-primary-faint);
  border-color: var(--border-accent);
  font-weight: var(--font-weight-bold);
}

.mobile-nav-sublist {
  list-style: none;
  padding-left: var(--space-4);
  margin-top: var(--space-1);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.mobile-nav-sublink {
  display: block;
  padding: var(--space-2) var(--space-3);
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.mobile-nav-sublink:hover,
.mobile-nav-sublink.active {
  color: var(--accent-primary);
  text-decoration: none;
}

.mobile-drawer-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-top: auto;
  padding-top: var(--space-4);
  border-top: 1px solid var(--border-subtle);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */

.site-footer {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding-top: var(--space-20);
  padding-bottom: var(--space-8);
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-8);
  margin-bottom: var(--space-12);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

/* Footer Brand Link & Animated Logo Badge */
.footer-brand-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  margin-bottom: var(--space-2);
}

.footer-brand-link:hover {
  text-decoration: none;
}

.footer-logo-badge {
  position: relative;
  width: 58px;
  height: 58px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3px;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  box-shadow: 0 0 20px rgba(40, 215, 242, 0.35), 0 0 38px rgba(139, 92, 246, 0.25);
  animation: logoPulseGlow 4s ease-in-out infinite;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.footer-brand-link:hover .footer-logo-badge {
  transform: scale(1.08) rotate(6deg);
  box-shadow: 0 0 30px rgba(40, 215, 242, 0.75), 0 0 60px rgba(139, 92, 246, 0.55);
}

.footer-logo-img {
  width: 100%;
  height: 100%;
  border-radius: var(--radius-full);
  object-fit: cover;
  background: var(--bg-main);
}

.footer-brand-text {
  display: flex;
  flex-direction: column;
}

.footer-brand-name {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-extrabold);
  letter-spacing: -0.02em;
  color: var(--text-main);
  line-height: 1.1;
}

.footer-brand-badge {
  font-size: 0.65rem;
  font-weight: var(--font-weight-bold);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-primary);
}

@keyframes logoPulseGlow {
  0%, 100% {
    box-shadow: 0 0 16px rgba(40, 215, 242, 0.3), 0 0 32px rgba(139, 92, 246, 0.2);
  }
  50% {
    box-shadow: 0 0 28px rgba(40, 215, 242, 0.65), 0 0 52px rgba(139, 92, 246, 0.45);
  }
}

/* Animated Social Media Icons Component */
.footer-social-wrapper {
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--border-subtle);
}

.footer-social-label {
  display: block;
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-weight: var(--font-weight-bold);
  color: var(--accent-primary);
  margin-bottom: var(--space-3);
}

.footer-social-icons {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.social-icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  text-decoration: none;
  position: relative;
  overflow: hidden;
  transition: all var(--transition-normal);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
  animation: socialFloat 3.5s ease-in-out infinite;
}

.social-icon-btn:nth-child(1) { animation-delay: 0.0s; }
.social-icon-btn:nth-child(2) { animation-delay: 0.15s; }
.social-icon-btn:nth-child(3) { animation-delay: 0.3s; }
.social-icon-btn:nth-child(4) { animation-delay: 0.45s; }
.social-icon-btn:nth-child(5) { animation-delay: 0.6s; }
.social-icon-btn:nth-child(6) { animation-delay: 0.75s; }

.social-icon-btn::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  opacity: 0;
  z-index: 0;
  transition: opacity var(--transition-fast);
}

.social-icon-btn::after {
  content: "";
  position: absolute;
  inset: 1px;
  border-radius: var(--radius-full);
  background: var(--bg-card);
  z-index: 1;
  transition: background var(--transition-fast);
}

.social-icon-btn svg {
  position: relative;
  z-index: 2;
  width: 18px;
  height: 18px;
  transition: transform var(--transition-fast), color var(--transition-fast);
}

.social-icon-btn:hover {
  transform: translateY(-5px) scale(1.12);
  border-color: transparent;
  color: #FFFFFF;
}

.social-icon-btn:hover::before {
  opacity: 1;
}

.social-icon-btn:hover svg {
  transform: scale(1.16);
}

/* Platform specific glow & colors on hover */
.social-icon-btn.social-whatsapp:hover {
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.55);
  color: #25D366;
}
.social-icon-btn.social-github:hover {
  box-shadow: 0 8px 24px rgba(40, 215, 242, 0.55);
  color: #28D7F2;
}
.social-icon-btn.social-linkedin:hover {
  box-shadow: 0 8px 24px rgba(10, 102, 194, 0.55);
  color: #0A66C2;
}
.social-icon-btn.social-twitter:hover {
  box-shadow: 0 8px 24px rgba(29, 161, 242, 0.55);
  color: #1DA1F2;
}
.social-icon-btn.social-instagram:hover {
  box-shadow: 0 8px 24px rgba(225, 48, 108, 0.55);
  color: #E1306C;
}
.social-icon-btn.social-email:hover {
  box-shadow: 0 8px 24px rgba(139, 92, 246, 0.55);
  color: #8B5CF6;
}

@keyframes socialFloat {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-4px);
  }
}

.footer-brand .brand-logo-img {
  height: 36px;
}

.footer-tagline {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--accent-primary);
  margin-bottom: var(--space-1);
}

.footer-desc {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  line-height: var(--line-height-base);
  max-width: 340px;
}

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  margin-top: var(--space-2);
}

.footer-column-title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-main);
  margin-bottom: var(--space-4);
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer-link {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--accent-primary);
  text-decoration: none;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-8);
  border-top: 1px solid var(--border-subtle);
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  gap: var(--space-4);
}

.footer-back-to-top {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--text-secondary);
  font-size: var(--font-size-xs);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.footer-back-to-top:hover {
  color: var(--accent-primary);
  border-color: var(--accent-primary);
  text-decoration: none;
}

/* Grid Utilities */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

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