/**
 * NAS COMMUNICATIONS - Apple / iPhone Glassmorphism Design System
 * Modern, ultra-refined, fluid, lightweight & responsive.
 */

:root {
  /* Apple / iOS Curated Palette */
  --bg-main: #f5f5f7;
  --bg-gradient: radial-gradient(circle at 10% 10%, rgba(240, 244, 255, 0.8) 0%, rgba(245, 245, 247, 0.95) 100%);
  --surface-glass: rgba(255, 255, 255, 0.72);
  --surface-glass-card: rgba(255, 255, 255, 0.65);
  --surface-glass-hover: rgba(255, 255, 255, 0.88);
  --surface-dark-glass: rgba(26, 28, 30, 0.78);
  
  --border-glass: rgba(255, 255, 255, 0.5);
  --border-subtle: rgba(0, 0, 0, 0.06);
  --border-focus: #0071e3;
  
  --text-primary: #1d1d1f;
  --text-secondary: #6e6e73;
  --text-tertiary: #86868b;
  --text-on-dark: #ffffff;
  
  --accent-primary: #0071e3;
  --accent-primary-hover: #0077ed;
  --accent-secondary: #30b0c7;
  --accent-success: #34c759;
  --accent-warning: #ff9500;
  --accent-danger: #ff3b30;
  --accent-purple: #af52de;
  --accent-teal: #5ac8fa;
  
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 8px 24px -4px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 20px 40px -8px rgba(0, 0, 0, 0.12);
  --shadow-glass: 0 8px 32px 0 rgba(31, 38, 135, 0.07);
  --shadow-glow: 0 0 25px rgba(0, 113, 227, 0.25);
  
  --blur-base: blur(20px);
  --blur-heavy: blur(30px);
  
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-pill: 9999px;
  
  --font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Inter", "Segoe UI", Roboto, sans-serif;
  --transition-smooth: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-spring: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

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

html {
  font-family: var(--font-sans);
  background-color: var(--bg-main);
  color: var(--text-primary);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  background: var(--bg-gradient);
  background-attachment: fixed;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

/* Container */
.container {
  width: 100%;
  max-width: 1240px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-primary);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.2;
}

h1 { font-size: clamp(2.2rem, 4vw, 3.4rem); font-weight: 800; }
h2 { font-size: clamp(1.75rem, 3vw, 2.4rem); }
h3 { font-size: 1.4rem; }
h4 { font-size: 1.15rem; }

p {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.6;
}

a {
  color: var(--accent-primary);
  text-decoration: none;
  transition: var(--transition-smooth);
}

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

/* Top Announcement Bar */
.announcement-bar {
  background: rgba(0, 113, 227, 0.08);
  border-bottom: 1px solid rgba(0, 113, 227, 0.12);
  backdrop-filter: var(--blur-base);
  -webkit-backdrop-filter: var(--blur-base);
  padding: 8px 16px;
  font-size: 0.85rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  text-align: center;
}

.announcement-bar .badge {
  background: var(--accent-primary);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Glass Navigation Bar */
.navbar-wrapper {
  position: sticky;
  top: 12px;
  z-index: 1000;
  padding: 0 16px;
  margin-bottom: 24px;
}

.navbar-glass {
  background: var(--surface-glass);
  backdrop-filter: var(--blur-heavy);
  -webkit-backdrop-filter: var(--blur-heavy);
  border: 1px solid var(--border-glass);
  box-shadow: var(--shadow-glass);
  border-radius: var(--radius-lg);
  padding: 10px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  max-width: 1240px;
  margin: 0 auto;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--text-primary);
  letter-spacing: -0.03em;
}

.brand-icon-box {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, #0071e3 0%, #30b0c7 100%);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 900;
  font-size: 1.1rem;
  box-shadow: 0 4px 12px rgba(0, 113, 227, 0.3);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
  list-style: none;
}

.nav-link {
  padding: 8px 16px;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-pill);
  transition: var(--transition-smooth);
}

.nav-link:hover, .nav-link.active {
  color: var(--text-primary);
  background: rgba(0, 0, 0, 0.05);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Glass Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 22px;
  font-size: 0.92rem;
  font-weight: 600;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition-smooth);
  text-decoration: none;
  line-height: 1;
}

.btn-primary {
  background: var(--text-primary);
  color: #fff;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
}

.btn-primary:hover {
  background: #000000;
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.22);
}

.btn-accent {
  background: var(--accent-primary);
  color: #fff;
  box-shadow: 0 4px 14px rgba(0, 113, 227, 0.3);
}

.btn-accent:hover {
  background: var(--accent-primary-hover);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 6px 22px rgba(0, 113, 227, 0.4);
}

.btn-glass {
  background: var(--surface-glass);
  backdrop-filter: var(--blur-base);
  -webkit-backdrop-filter: var(--blur-base);
  border: 1px solid var(--border-glass);
  color: var(--text-primary);
  box-shadow: var(--shadow-sm);
}

.btn-glass:hover {
  background: var(--surface-glass-hover);
  border-color: rgba(0, 0, 0, 0.1);
  color: var(--text-primary);
  transform: translateY(-1px);
}

.btn-sm {
  padding: 7px 14px;
  font-size: 0.82rem;
}

.btn-lg {
  padding: 14px 28px;
  font-size: 1.05rem;
  border-radius: var(--radius-pill);
}

/* Glass Card Component */
.glass-card {
  background: var(--surface-glass-card);
  backdrop-filter: var(--blur-base);
  -webkit-backdrop-filter: var(--blur-base);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-glass);
  padding: 24px;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.glass-card:hover {
  background: var(--surface-glass-hover);
  border-color: rgba(255, 255, 255, 0.8);
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}

/* Hero Section */
.hero-section {
  padding: 40px 0 60px 0;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 40px;
  align-items: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.hero-pill-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 113, 227, 0.1);
  color: var(--accent-primary);
  border: 1px solid rgba(0, 113, 227, 0.2);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  font-size: 0.82rem;
  font-weight: 600;
  width: fit-content;
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-glass-stack {
  position: relative;
  width: 100%;
  max-width: 440px;
}

.hero-main-card {
  background: linear-gradient(135deg, rgba(255,255,255,0.85) 0%, rgba(255,255,255,0.55) 100%);
  backdrop-filter: var(--blur-heavy);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  padding: 30px;
  box-shadow: var(--shadow-lg);
}

.hero-float-card {
  position: absolute;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: var(--blur-heavy);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 12px 18px;
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
  font-size: 0.85rem;
  animation: floatAnim 4s ease-in-out infinite;
}

.hero-float-card.top-right {
  top: -15px;
  right: -20px;
  animation-delay: 0s;
}

.hero-float-card.bottom-left {
  bottom: -20px;
  left: -20px;
  animation-delay: 2s;
}

@keyframes floatAnim {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-8px); }
}

/* Redirection Screen Progress Animation */
.redirect-progress-bar {
  width: 100%;
  height: 6px;
  background: rgba(0, 0, 0, 0.08);
  border-radius: var(--radius-pill);
  overflow: hidden;
  position: relative;
  margin: 16px 0 20px 0;
}

.redirect-progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #0071e3 0%, #30b0c7 100%);
  border-radius: var(--radius-pill);
  transition: width 1.2s cubic-bezier(0.25, 1, 0.5, 1);
}

.url-preview-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(0, 113, 227, 0.08);
  color: var(--accent-primary);
  border: 1px solid rgba(0, 113, 227, 0.18);
  border-radius: var(--radius-pill);
  padding: 6px 14px;
  font-size: 0.8rem;
  font-family: monospace;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Search Bar (Apple Spotlight Style) */
.search-wrapper {
  margin: 30px 0;
  position: relative;
}

.search-box-glass {
  background: var(--surface-glass);
  backdrop-filter: var(--blur-heavy);
  -webkit-backdrop-filter: var(--blur-heavy);
  border: 1.5px solid var(--border-glass);
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-md);
  padding: 8px 12px 8px 24px;
  display: flex;
  align-items: center;
  gap: 12px;
  transition: var(--transition-smooth);
}

.search-box-glass:focus-within {
  border-color: var(--border-focus);
  background: #ffffff;
  box-shadow: var(--shadow-glow);
}

.search-input {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  font-family: inherit;
  font-size: 1.05rem;
  color: var(--text-primary);
}

.search-input::placeholder {
  color: var(--text-tertiary);
}

/* Service Grid */
.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 28px;
  gap: 20px;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 22px;
}

/* Service Card */
.service-card {
  background: var(--surface-glass-card);
  backdrop-filter: var(--blur-base);
  -webkit-backdrop-filter: var(--blur-base);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-glass);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition-smooth);
  cursor: pointer;
  position: relative;
}

.service-card:hover {
  background: var(--surface-glass-hover);
  border-color: rgba(0, 113, 227, 0.4);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.service-card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 16px;
}

.service-icon-wrap {
  width: 46px;
  height: 46px;
  border-radius: var(--radius-md);
  background: rgba(0, 113, 227, 0.1);
  color: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  transition: var(--transition-smooth);
}

.service-card:hover .service-icon-wrap {
  background: var(--accent-primary);
  color: #ffffff;
  transform: scale(1.05);
}

.service-badge {
  font-size: 0.72rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: var(--radius-pill);
  text-transform: uppercase;
}

.badge-popular { background: rgba(255, 149, 0, 0.15); color: #c46d00; }
.badge-new { background: rgba(52, 199, 89, 0.15); color: #1e873a; }
.badge-featured { background: rgba(175, 82, 222, 0.15); color: #8e2abf; }

.service-card-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.service-card-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 18px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.service-card-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border-subtle);
  padding-top: 14px;
  margin-top: auto;
}

.service-price-tag {
  display: flex;
  flex-direction: column;
}

.service-price-label {
  font-size: 0.7rem;
  color: var(--text-tertiary);
  text-transform: uppercase;
}

.service-price-value {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
}

/* Category Cards */
.category-card {
  background: var(--surface-glass-card);
  backdrop-filter: var(--blur-base);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 18px;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: var(--transition-smooth);
}

.category-card:hover {
  background: var(--surface-glass-hover);
  border-color: rgba(0,0,0,0.1);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.category-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

/* Product Cards for E-Commerce */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}

.product-card {
  background: var(--surface-glass-card);
  backdrop-filter: var(--blur-base);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-glass);
  transition: var(--transition-smooth);
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  background: var(--surface-glass-hover);
}

.product-image-box {
  width: 100%;
  height: 200px;
  position: relative;
  background: #f0f0f2;
  overflow: hidden;
}

.product-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.product-card:hover .product-img {
  transform: scale(1.05);
}

.product-body {
  padding: 18px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.product-brand {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-primary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 4px;
}

.product-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
  line-height: 1.4;
  color: var(--text-primary);
}

.product-pricing {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-top: auto;
  margin-bottom: 14px;
}

.price-current {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--text-primary);
}

.price-original {
  font-size: 0.88rem;
  color: var(--text-tertiary);
  text-decoration: line-through;
}

/* Apple-style Glass Modal for Customer Information Workflow */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.glass-modal {
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: var(--blur-heavy);
  -webkit-backdrop-filter: var(--blur-heavy);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(0,0,0,0.05);
  width: 100%;
  max-width: 480px;
  padding: 32px;
  position: relative;
  transform: scale(0.95) translateY(10px);
  transition: var(--transition-spring);
}

.modal-overlay.active .glass-modal {
  transform: scale(1) translateY(0);
}

.modal-close-btn {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.05);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: var(--transition-smooth);
}

.modal-close-btn:hover {
  background: rgba(0, 0, 0, 0.12);
  color: var(--text-primary);
}

.form-group {
  margin-bottom: 18px;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.form-input {
  width: 100%;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(0, 0, 0, 0.12);
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--text-primary);
  outline: none;
  transition: var(--transition-smooth);
}

.form-input:focus {
  background: #ffffff;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 4px rgba(0, 113, 227, 0.15);
}

/* Floating WhatsApp Button */
.floating-whatsapp {
  position: fixed;
  bottom: 84px;
  right: 24px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25D366;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4);
  z-index: 999;
  transition: var(--transition-spring);
}

.floating-whatsapp:hover {
  transform: scale(1.1) translateY(-2px);
  box-shadow: 0 12px 30px rgba(37, 211, 102, 0.5);
  color: #fff;
}

/* Mobile Bottom Navigation Bar (iOS Native Feel) */
.mobile-bottom-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: var(--blur-heavy);
  -webkit-backdrop-filter: var(--blur-heavy);
  border-top: 1px solid var(--border-glass);
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.05);
  z-index: 1000;
  padding: 6px 12px max(6px, env(safe-area-inset-bottom));
}

.mobile-nav-grid {
  display: flex;
  justify-content: space-around;
  align-items: center;
}

.mobile-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  color: var(--text-tertiary);
  font-size: 0.72rem;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  transition: var(--transition-smooth);
  position: relative;
}

.mobile-nav-item.active, .mobile-nav-item:hover {
  color: var(--accent-primary);
}

.mobile-nav-icon {
  font-size: 1.25rem;
}

/* Footer */
.footer-glass {
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: var(--blur-base);
  border-top: 1px solid var(--border-glass);
  margin-top: auto;
  padding: 60px 0 30px 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 40px;
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  top: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast {
  background: rgba(30, 30, 32, 0.9);
  backdrop-filter: var(--blur-heavy);
  color: #fff;
  padding: 12px 20px;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 10px;
  animation: slideInRight 0.3s ease;
}

@keyframes slideInRight {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* Responsive Media Queries */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .mobile-bottom-nav { display: block; }
  body { padding-bottom: 70px; }
  .footer-grid { grid-template-columns: 1fr; }
  .floating-whatsapp { bottom: 80px; }
}