/* ==========================================================================
   DIGITAL HORIZON - Main Stylesheet
   Theme: Premium Dark Glassmorphism + Royal Blue Gradient
   ========================================================================== */

/* --- Google Font & Root Variables --- */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800;900&display=swap');

:root {
  --bg-primary: #080C14;
  --bg-secondary: #0F172A;
  --bg-glass: rgba(15, 23, 42, 0.7);
  --bg-glass-card: rgba(26, 38, 66, 0.5);
  --border-glass: rgba(255, 255, 255, 0.1);
  --border-glow: rgba(59, 130, 246, 0.4);
  
  --royal-blue: #2563EB;
  --royal-blue-light: #3B82F6;
  --cyan-accent: #38BDF8;
  --blue-gradient: linear-gradient(135deg, #1E40AF 0%, #2563EB 50%, #3B82F6 100%);
  --blue-glow: 0 0 25px rgba(37, 99, 235, 0.45);
  
  --text-main: #F8FAFC;
  --text-muted: #94A3B8;
  --text-dim: #64748B;
  
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  
  --transition-fast: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-family: 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-main);
  overflow-x: hidden;
}

body {
  min-height: 100vh;
  line-height: 1.6;
  background: 
    radial-gradient(circle at 15% 15%, rgba(37, 99, 235, 0.15) 0%, transparent 40%),
    radial-gradient(circle at 85% 65%, rgba(56, 189, 248, 0.1) 0%, transparent 40%),
    var(--bg-primary);
  background-attachment: fixed;
  color: var(--text-main);
  -webkit-font-smoothing: antialiased;
}

/* --- Custom Scrollbar --- */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: #1E293B;
  border-radius: 5px;
  border: 2px solid var(--bg-primary);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--royal-blue);
}

/* --- Utility Classes --- */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.text-gradient {
  background: linear-gradient(135deg, #FFFFFF 0%, #93C5FD 50%, #3B82F6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-gold {
  color: #FCD34D;
}

/* --- Header & Navigation --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(8, 12, 20, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-glass);
  transition: var(--transition-smooth);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.logo-brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  text-decoration: none;
  color: var(--text-main);
  transition: transform var(--transition-fast);
}

.logo-brand:hover {
  transform: translateY(-1px);
}

.logo-img {
  height: 52px;
  width: auto;
  filter: drop-shadow(0 0 12px rgba(20, 184, 166, 0.45));
  transition: transform var(--transition-smooth), filter var(--transition-smooth);
}

.logo-brand:hover .logo-img {
  transform: scale(1.06) rotate(3deg);
  filter: drop-shadow(0 0 20px rgba(45, 212, 191, 0.7));
}

.brand-text {
  font-size: 1.35rem;
  font-weight: 900;
  letter-spacing: 1.2px;
  color: #FFFFFF;
  display: inline-flex;
  align-items: baseline;
}

.brand-teal {
  color: #14B8A6;
  background: linear-gradient(135deg, #2DD4BF 0%, #14B8A6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 800;
  margin-left: 0.35rem;
}

.brand-dot {
  color: #2DD4BF;
  -webkit-text-fill-color: #2DD4BF;
  font-weight: 900;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.2rem;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.95rem;
  transition: var(--transition-fast);
  position: relative;
  padding: 0.4rem 0;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-main);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--blue-gradient);
  border-radius: 2px;
  transition: var(--transition-fast);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.mobile-toggle {
  display: none;
  background: transparent;
  border: none;
  color: var(--text-main);
  font-size: 1.6rem;
  cursor: pointer;
  padding: 0.5rem;
}

/* --- Mobile Menu Drawer --- */
.mobile-nav {
  display: none;
  position: fixed;
  top: 80px;
  left: 0;
  width: 100%;
  background: rgba(11, 15, 25, 0.98);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-glass);
  padding: 1.5rem;
  z-index: 999;
  transform: translateY(-100%);
  opacity: 0;
  transition: all 0.35s ease-in-out;
}

.mobile-nav.open {
  display: block;
  transform: translateY(0);
  opacity: 1;
}

.mobile-nav ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.mobile-nav a {
  text-decoration: none;
  color: var(--text-main);
  font-size: 1.1rem;
  font-weight: 600;
  display: block;
  padding: 0.6rem 1rem;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.03);
  transition: var(--transition-fast);
}

.mobile-nav a:hover {
  background: rgba(37, 99, 235, 0.2);
  color: var(--cyan-accent);
}

/* --- Hero Section --- */
.hero-section {
  padding: 6rem 0 5rem 0;
  position: relative;
  overflow: hidden;
  text-align: center;
}

.hero-glow-bg {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.25) 0%, rgba(8, 12, 20, 0) 70%);
  pointer-events: none;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 850px;
  margin: 0 auto;
}

.badge-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1.25rem;
  background: rgba(37, 99, 235, 0.15);
  border: 1px solid var(--border-glow);
  border-radius: 50px;
  color: var(--cyan-accent);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  box-shadow: 0 0 20px rgba(37, 99, 235, 0.2);
}

.hero-title {
  font-size: 3.2rem;
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 1.25rem;
  letter-spacing: -0.5px;
}

.hero-subtitle {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--royal-blue-light);
  margin-bottom: 2rem;
  letter-spacing: 2px;
}

.hero-subtitle span {
  color: var(--text-muted);
  margin: 0 0.5rem;
  font-weight: 300;
}

.hero-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 2.5rem;
  background: var(--blue-gradient);
  color: #FFFFFF;
  font-size: 1.1rem;
  font-weight: 700;
  border: none;
  border-radius: 50px;
  text-decoration: none;
  cursor: pointer;
  box-shadow: var(--blue-glow);
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.hero-btn:hover {
  transform: translateY(-3px) scale(1.03);
  box-shadow: 0 0 35px rgba(37, 99, 235, 0.7);
}

.hero-features-bar {
  display: flex;
  justify-content: center;
  gap: 2.5rem;
  margin-top: 3.5rem;
  flex-wrap: wrap;
}

.hero-feature-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.95rem;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.03);
  padding: 0.6rem 1.2rem;
  border-radius: 50px;
  border: 1px solid var(--border-glass);
}

.hero-feature-item i {
  color: #4ADE80;
}

/* --- Section Title --- */
.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
}

.section-desc {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 600px;
  margin: 0 auto;
}

/* --- Products Section --- */
.products-section {
  padding: 5rem 0;
  position: relative;
}

.category-filter-tabs {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.filter-tab {
  padding: 0.65rem 1.5rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-glass);
  border-radius: 50px;
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-fast);
}

.filter-tab:hover,
.filter-tab.active {
  background: var(--blue-gradient);
  color: #FFFFFF;
  border-color: transparent;
  box-shadow: var(--blue-glow);
}

/* --- Responsive Product Grid --- */
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

/* Tablet (2 columns) */
@media (max-width: 1024px) {
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Mobile (1 column) */
@media (max-width: 640px) {
  .products-grid {
    grid-template-columns: 1fr;
  }
}

/* --- Product Card & 3D Flip Animation --- */
.product-card {
  background: var(--bg-glass-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
  box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
}

.product-card:hover {
  transform: translateY(-8px);
  border-color: var(--border-glow);
  box-shadow: 0 20px 40px -15px rgba(37, 99, 235, 0.3);
}

.card-category-badge {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: rgba(37, 99, 235, 0.2);
  border: 1px solid var(--border-glow);
  color: var(--cyan-accent);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.75rem;
  border-radius: 50px;
  z-index: 10;
}

/* 3D Flip Stage */
.card-image-stage {
  perspective: 1000px;
  width: 100%;
  aspect-ratio: 1.58 / 1;
  margin-top: 1rem;
  margin-bottom: 1.25rem;
  cursor: pointer;
  position: relative;
}

.card-3d-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
  transform-style: preserve-3d;
  border-radius: var(--radius-sm);
}

.card-3d-inner.is-flipped {
  transform: rotateY(180deg);
}

.card-face {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
}

.card-face img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.card-face-back {
  transform: rotateY(180deg);
}

.flip-hint-badge {
  position: absolute;
  bottom: 0.5rem;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  color: #FFFFFF;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.8rem;
  border-radius: 50px;
  pointer-events: none;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  z-index: 5;
}

.card-details {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  justify-content: space-between;
}

.product-name {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  line-height: 1.3;
}

.product-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.product-price {
  font-size: 1.5rem;
  font-weight: 800;
  color: #FFFFFF;
}

.btn-select {
  padding: 0.65rem 1.4rem;
  background: var(--blue-gradient);
  color: #FFFFFF;
  border: none;
  border-radius: 50px;
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition-fast);
  box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.btn-select:hover {
  transform: scale(1.05);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.6);
}

/* --- Modal Popup --- */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(4, 7, 13, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  padding: 1.5rem;
}

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

.modal-box {
  background: #0F172A;
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-md);
  width: 100%;
  max-width: 520px;
  padding: 2.25rem;
  position: relative;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.8);
  transform: scale(0.9) translateY(20px);
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

.modal-close-btn {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
  color: var(--text-muted);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
}

.modal-close-btn:hover {
  background: rgba(239, 68, 68, 0.2);
  color: #EF4444;
}

.modal-header {
  margin-bottom: 1.5rem;
}

.modal-title {
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 0.25rem;
}

.modal-subtitle {
  color: var(--cyan-accent);
  font-size: 0.95rem;
  font-weight: 600;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
}

.form-control {
  width: 100%;
  padding: 0.85rem 1rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-family: inherit;
  font-size: 0.95rem;
  transition: var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--royal-blue-light);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 0 12px rgba(59, 130, 246, 0.3);
}

.error-text {
  color: #F87171;
  font-size: 0.8rem;
  margin-top: 0.3rem;
  display: none;
}

.btn-submit-whatsapp {
  width: 100%;
  padding: 1rem;
  background: linear-gradient(135deg, #16A34A 0%, #22C55E 100%);
  color: #FFFFFF;
  border: none;
  border-radius: 50px;
  font-size: 1.05rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  box-shadow: 0 0 20px rgba(34, 197, 94, 0.4);
  transition: var(--transition-fast);
  margin-top: 1rem;
}

.btn-submit-whatsapp:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(34, 197, 94, 0.7);
}

/* --- About Section --- */
.about-section {
  padding: 5rem 0;
  background: rgba(15, 23, 42, 0.3);
}

.about-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

@media (max-width: 900px) {
  .about-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .about-grid {
    grid-template-columns: 1fr;
  }
}

.about-card {
  background: var(--bg-glass-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  transition: var(--transition-smooth);
}

.about-card:hover {
  transform: translateY(-5px);
  border-color: var(--border-glow);
  background: rgba(30, 41, 59, 0.6);
}

.about-icon-box {
  width: 50px;
  height: 50px;
  border-radius: 12px;
  background: var(--blue-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  font-size: 1.35rem;
  flex-shrink: 0;
  box-shadow: 0 4px 15px rgba(37, 99, 235, 0.4);
}

.about-card-content h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
}

.about-card-content p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* --- Services Section --- */
.services-section {
  padding: 5rem 0;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.25rem;
}

@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 640px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.service-item-card {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 1.75rem 1rem;
  text-align: center;
  transition: var(--transition-smooth);
}

.service-item-card:hover {
  transform: translateY(-6px) scale(1.02);
  border-color: var(--cyan-accent);
  box-shadow: 0 10px 25px -5px rgba(56, 189, 248, 0.3);
}

.service-icon-wrapper {
  font-size: 2.25rem;
  color: var(--cyan-accent);
  margin-bottom: 1rem;
  display: inline-block;
  transition: transform 0.3s ease;
}

.service-item-card:hover .service-icon-wrapper {
  transform: scale(1.2) rotate(5deg);
}

.service-item-card h4 {
  font-size: 1rem;
  font-weight: 700;
}

/* --- Contact Section --- */
.contact-section {
  padding: 5rem 0;
  background: radial-gradient(circle at 50% 50%, rgba(37, 99, 235, 0.12) 0%, transparent 70%);
}

.contact-card-box {
  background: var(--bg-glass-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  padding: 3.5rem 2rem;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
}

.contact-info-grid {
  display: flex;
  justify-content: center;
  gap: 3rem;
  margin-top: 2rem;
  flex-wrap: wrap;
}

.contact-info-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: rgba(255, 255, 255, 0.04);
  padding: 1rem 1.75rem;
  border-radius: 50px;
  border: 1px solid var(--border-glass);
  text-decoration: none;
  color: var(--text-main);
  transition: var(--transition-fast);
}

.contact-info-item:hover {
  background: rgba(37, 99, 235, 0.2);
  border-color: var(--cyan-accent);
  transform: translateY(-3px);
}

.contact-info-item i {
  font-size: 1.5rem;
  color: #22C55E;
}

/* --- Floating WhatsApp Button --- */
.floating-whatsapp {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 62px;
  height: 62px;
  background: #22C55E;
  color: #FFFFFF;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  box-shadow: 0 8px 25px rgba(34, 197, 94, 0.6);
  z-index: 1500;
  text-decoration: none;
  transition: var(--transition-smooth);
  animation: pulseGlow 2s infinite;
}

.floating-whatsapp:hover {
  transform: scale(1.12);
  box-shadow: 0 12px 35px rgba(34, 197, 94, 0.9);
}

@keyframes pulseGlow {
  0% {
    box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.7);
  }
  70% {
    box-shadow: 0 0 0 18px rgba(34, 197, 94, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(34, 197, 94, 0);
  }
}

/* --- Footer --- */
.site-footer {
  padding: 2.5rem 0;
  background: #04070D;
  border-top: 1px solid var(--border-glass);
  text-align: center;
}

.footer-brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  margin-bottom: 0.85rem;
}

.footer-logo {
  height: 38px;
  width: auto;
  filter: drop-shadow(0 0 10px rgba(20, 184, 166, 0.5));
}

.footer-content p {
  color: var(--text-dim);
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}

.footer-content .tagline {
  color: var(--royal-blue-light);
  font-size: 0.85rem;
  font-weight: 600;
}

/* --- Responsive Layout Adjustments --- */
@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  
  .mobile-toggle {
    display: block;
  }

  .hero-title {
    font-size: 2.2rem;
  }

  .hero-subtitle {
    font-size: 1.15rem;
  }

  .section-title {
    font-size: 1.75rem;
  }

  .floating-whatsapp {
    bottom: 1.25rem;
    right: 1.25rem;
    width: 52px;
    height: 52px;
    font-size: 1.6rem;
  }
}