/* BTECH Premium Styles */
:root {
  --primary-blue: #1e40af;
  --primary-blue-dark: #1e3a8a;
  --primary-blue-light: #3b82f6;
  --accent-orange: #f59e0b;
  --accent-orange-light: #fbbf24;
  --eta-green: #10b981;
  --eta-green-dark: #059669;
  --text-dark: #1f2937;
  --text-light: #6b7280;
  --background-light: #f8fafc;
  --background-white: #ffffff;
  --shadow-soft: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-medium: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-large: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --gradient-primary: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%);
  --gradient-accent: linear-gradient(135deg, #f59e0b 0%, #fbbf24 100%);
  --gradient-eta: linear-gradient(135deg, #10b981 0%, #059669 100%);
  --gradient-purple: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.6;
  color: var(--text-dark);
  background: linear-gradient(135deg, #0a0e27 0%, #1a1f3a 100%);
  overflow-x: hidden;
  position: relative;
}

/* Animated Background */
.animated-bg {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 0;
  background: radial-gradient(ellipse at top, #1e3a8a 0%, transparent 50%),
              radial-gradient(ellipse at bottom, #7c3aed 0%, transparent 50%);
  opacity: 0.4;
  pointer-events: none;
}

.stars {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

.star {
  position: absolute;
  width: 2px;
  height: 2px;
  background: white;
  border-radius: 50%;
  animation: twinkle 3s infinite;
}

@keyframes twinkle {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 1; }
}

.content-wrapper {
  position: relative;
  z-index: 1;
}

/* Enhanced Cards */
.ultra-card {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-radius: 20px;
  box-shadow: 0 20px 60px -15px rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  position: relative;
  overflow: hidden;
}

.ultra-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s;
}

.ultra-card:hover::before {
  left: 100%;
}

.ultra-card:hover {
  transform: translateY(-8px) scale(1.01);
  box-shadow: 0 30px 80px -20px rgba(99, 102, 241, 0.4);
}

/* ETA Alert Banner */
.eta-banner {
  background: var(--gradient-eta);
  color: white;
  padding: 1rem 2rem;
  text-align: center;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1001;
  transition: transform 0.5s ease-in-out, opacity 0.5s ease-in-out;
}

.eta-banner.hidden {
  transform: translateY(-100%);
  opacity: 0;
  visibility: hidden;
}

.eta-banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="white" opacity="0.1"/><circle cx="75" cy="75" r="1" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
}

.eta-banner-content {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.eta-banner-text {
  font-weight: 600;
  font-size: 1rem;
}

.eta-banner-cta {
  background: white;
  color: var(--eta-green);
  padding: 0.5rem 1rem;
  border-radius: 25px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  box-shadow: var(--shadow-soft);
}

.eta-banner-cta:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
}

.close-banner {
  position: absolute;
  top: 50%;
  right: 1rem;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: white;
  cursor: pointer;
  font-size: 1.2rem;
  opacity: 0.8;
  transition: var(--transition);
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.close-banner:hover {
  opacity: 1;
  background: rgba(255, 255, 255, 0.1);
}

/* Header */
header {
  position: fixed;
  top: 60px;
  left: 0;
  right: 0;
  height: 80px;
  z-index: 1000;
  transition: top 0.5s ease-in-out, background 0.5s, box-shadow 0.5s;
}

.header-no-banner {
  top: 0;
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  background: rgba(10, 14, 39, 0.9);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  border-radius: 0 0 20px 20px;
}

.logo {
  font-weight: 800;
  font-size: 1.75rem;
  color: white;
  text-decoration: none;
  letter-spacing: -0.02em;
  text-shadow: 0 2px 10px rgba(99, 102, 241, 0.5);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
  align-items: center;
}

.nav-menu a {
  text-decoration: none;
  color: rgba(255, 255, 255, 0.9);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.5rem 0;
  position: relative;
  transition: var(--transition);
}

.nav-menu a:hover {
  color: white;
}

.nav-menu a.active::after,
.nav-menu a:hover::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-purple);
  border-radius: 1px;
}

.nav-menu .eta-nav-item a {
  background: var(--gradient-eta);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-weight: 600;
  position: relative;
  overflow: hidden;
}

.nav-menu .eta-nav-item a::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s;
}

.nav-menu .eta-nav-item a:hover::before {
  left: 100%;
}

.nav-menu .eta-nav-item a::after {
  display: none;
}

.cta-header {
  background: var(--gradient-purple);
  color: white;
  padding: 0.75rem 1.5rem;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  transition: var(--transition);
  box-shadow: 0 10px 30px -10px rgba(99, 102, 241, 0.6);
}

.cta-header:hover {
  transform: translateY(-2px);
  box-shadow: 0 15px 40px -10px rgba(99, 102, 241, 0.8);
}

/* Mobile Menu */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  z-index: 1002;
}

.mobile-menu-btn span {
  width: 24px;
  height: 2px;
  background: white;
  border-radius: 1px;
  transition: var(--transition);
}

.mobile-menu-btn.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}

.mobile-nav {
  position: fixed;
  top: 140px;
  left: 0;
  right: 0;
  background: rgba(10, 14, 39, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding: 2rem;
  transform: translateY(-100%);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 999;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
}

.mobile-nav-no-banner {
  top: 80px;
}

.mobile-nav.active {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}

.mobile-nav ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.mobile-nav a {
  text-decoration: none;
  color: white;
  font-weight: 600;
  font-size: 1.1rem;
  padding: 1rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  transition: var(--transition);
  display: block;
}

.mobile-nav a:hover {
  color: var(--accent-orange);
  transform: translateX(10px);
}

.mobile-nav .eta-mobile-item a {
  background: var(--gradient-eta);
  color: white;
  border-radius: 12px;
  padding: 1rem;
  border-bottom: none;
  text-align: center;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 0 2rem;
  position: relative;
  overflow: hidden;
  margin-top: 140px;
}

.hero-no-banner {
  margin-top: 80px;
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-content h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  color: white;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, #ffffff 0%, #a855f7 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-content .subtitle {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 2rem;
  line-height: 1.6;
  font-weight: 400;
}

.typing-text {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.1rem;
  color: var(--accent-orange);
  margin-bottom: 2.5rem;
  min-height: 1.5em;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn-premium {
  background: var(--gradient-purple);
  color: white;
  padding: 1rem 2rem;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--transition);
  box-shadow: 0 10px 30px -10px rgba(99, 102, 241, 0.6);
  border: none;
  cursor: pointer;
  font-size: 1rem;
  position: relative;
  overflow: hidden;
}

.btn-premium::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn-premium:active::before {
  width: 400px;
  height: 400px;
}

.btn-premium:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 40px -10px rgba(99, 102, 241, 0.8);
}

.btn-primary {
  background: var(--gradient-accent);
  color: var(--text-dark);
  padding: 1rem 2rem;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--transition);
  box-shadow: var(--shadow-soft);
  border: none;
  cursor: pointer;
  font-size: 1rem;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-large);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.1);
  color: white;
  border: 2px solid rgba(255, 255, 255, 0.3);
  padding: 1rem 2rem;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--transition);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.5);
  transform: translateY(-2px);
}

.btn-eta {
  background: var(--gradient-eta);
  color: white;
  padding: 1rem 2rem;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--transition);
  box-shadow: var(--shadow-soft);
  border: none;
  cursor: pointer;
  font-size: 1rem;
  position: relative;
  overflow: hidden;
}

.btn-eta::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s;
}

.btn-eta:hover::before {
  left: 100%;
}

.btn-eta:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-large);
}

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

.hero-image {
  width: 100%;
  max-width: 500px;
  height: 500px;
  background: url('https://images.unsplash.com/photo-1519389950473-47ba0277781c?ixlib=rb-4.0.3&auto=format&fit=crop&w=1200&q=80') center/cover no-repeat;
  border-radius: 20px;
  box-shadow: 0 30px 80px -20px rgba(99, 102, 241, 0.4);
  position: relative;
  overflow: hidden;
}

.hero-image::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(45deg, rgba(99, 102, 241, 0.2), rgba(139, 92, 246, 0.2));
}

/* Floating elements */
.floating-card {
  position: absolute;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  padding: 1rem;
  border-radius: 12px;
  box-shadow: 0 20px 60px -15px rgba(0, 0, 0, 0.3);
  animation: float 6s ease-in-out infinite;
  z-index: 3;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.floating-card.card-1 {
  top: 10%;
  right: -10%;
  animation-delay: -1s;
}

.floating-card.card-2 {
  bottom: 20%;
  left: -15%;
  animation-delay: -3s;
}

.floating-card.card-3 {
  top: 60%;
  right: 10%;
  animation-delay: -2s;
  background: var(--gradient-eta);
  color: white;
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-20px); }
}

/* ETA Quick Access Section */
.eta-quick-access {
  color: white;
  padding: 4rem 2rem;
  position: relative;
  z-index: 5;
  margin-top: -2rem;
  background: url('plane.jpg') center/cover no-repeat;
}

.eta-quick-access::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(16, 185, 129, 0.1);
  z-index: 1;
}

.eta-quick-container {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 2;
}

.eta-quick-header {
  margin-bottom: 3rem;
}

.eta-quick-header h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  margin-bottom: 1rem;
  color: white;
}

.eta-quick-header p {
  font-size: 1.2rem;
  opacity: 0.9;
  max-width: 600px;
  margin: 0 auto;
}

.eta-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.eta-feature {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  padding: 2rem;
  border-radius: 20px;
  text-align: center;
  transition: var(--transition);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.eta-feature:hover {
  transform: translateY(-10px);
  background: rgba(255, 255, 255, 0.15);
  box-shadow: 0 20px 60px -15px rgba(0, 0, 0, 0.3);
}

.eta-feature-icon {
  width: 80px;
  height: 80px;
  background: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  color: var(--eta-green);
  font-size: 2rem;
  box-shadow: 0 10px 30px -10px rgba(16, 185, 129, 0.4);
}

.eta-feature h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: white;
}

.eta-feature p {
  opacity: 0.9;
  line-height: 1.6;
}

/* Section Styles */
.section {
  padding: 6rem 2rem;
  position: relative;
}

.section-container {
  max-width: 1200px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-header h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: white;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.section-header p {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.8);
  max-width: 600px;
  margin: 0 auto;
}

/* About Section */
.about-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 4rem;
  align-items: center;
}

.ceo-card {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  padding: 2rem;
  border-radius: 20px;
  box-shadow: 0 20px 60px -15px rgba(0, 0, 0, 0.3);
  text-align: center;
  transition: var(--transition);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.ceo-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 30px 80px -20px rgba(99, 102, 241, 0.4);
}

.ceo-image {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  margin: 0 auto 1.5rem;
  object-fit: cover;
  border: 4px solid var(--accent-orange);
  box-shadow: 0 10px 30px -10px rgba(245, 158, 11, 0.4);
}

.ceo-card h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 0.5rem;
}

.ceo-card .title {
  color: var(--primary-blue);
  font-weight: 600;
  margin-bottom: 1rem;
}

.about-text {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.8;
}

.about-text p {
  margin-bottom: 1.5rem;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 2rem;
  padding: 2rem;
  background: rgba(99, 102, 241, 0.1);
  backdrop-filter: blur(10px);
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-size: 2rem;
  font-weight: 800;
  background: var(--gradient-purple);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
}

.stat-label {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.7);
  font-weight: 500;
}

/* Services Section */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.service-card {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  padding: 2.5rem 2rem;
  border-radius: 20px;
  box-shadow: 0 20px 60px -15px rgba(0, 0, 0, 0.3);
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  position: relative;
  overflow: hidden;
  cursor: pointer;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-purple);
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-card:hover {
  transform: translateY(-10px) scale(1.01);
  box-shadow: 0 30px 80px -20px rgba(99, 102, 241, 0.4);
}

.service-card.eta-card::before {
  background: var(--gradient-eta);
}

.service-item {
  width: 80px;
  height: 80px;
  background: var(--gradient-purple);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  color: white;
  font-size: 2rem;
  box-shadow: 0 10px 30px -10px rgba(99, 102, 241, 0.4);
}

.service-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 20px;
}

.service-item.eta-item {
  background: var(--gradient-eta);
}

.service-card h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 1rem;
}

.service-card p {
  color: var(--text-light);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.service-link {
  color: var(--primary-blue);
  text-decoration: none;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--transition);
}

.service-link:hover {
  color: var(--primary-blue-dark);
  transform: translateX(5px);
}

.service-link.eta-link {
  color: var(--eta-green);
}

.service-link.eta-link:hover {
  color: var(--eta-green-dark);
}

/* Download Section */
.download-section {
  background: var(--gradient-purple);
  color: white;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.download-section::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  background: url('https://images.unsplash.com/photo-1512941937669-90a1b58e7e9c?ixlib=rb-4.0.3&auto=format&fit=crop&w=800&q=80') center/cover no-repeat;
  opacity: 0.1;
}

.download-content {
  max-width: 600px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.download-content h2 {
  color: white;
  margin-bottom: 1rem;
}

.app-preview {
  width: 200px;
  height: 400px;
  background: url('https://images.unsplash.com/photo-1512941937669-90a1b58e7e9c?ixlib=rb-4.0.3&auto=format&fit=crop&w=400&q=80') center/cover no-repeat;
  border-radius: 25px;
  margin: 2rem auto;
  box-shadow: 0 30px 80px -20px rgba(0, 0, 0, 0.5);
  border: 4px solid rgba(255, 255, 255, 0.2);
  position: relative;
  overflow: hidden;
}

.app-preview::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(45deg, rgba(99, 102, 241, 0.3), rgba(139, 92, 246, 0.3));
}

.download-stats {
  display: flex;
  justify-content: center;
  gap: 3rem;
  margin-top: 2rem;
}

.download-stat {
  text-align: center;
}

.download-stat .number {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent-orange);
}

.download-stat .label {
  font-size: 0.9rem;
  opacity: 0.8;
}

/* Contact Section */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.contact-item {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  padding: 2rem;
  border-radius: 16px;
  box-shadow: 0 20px 60px -15px rgba(0, 0, 0, 0.3);
  text-align: center;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.contact-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-accent);
  transform: scaleX(0);
  transform-origin: center;
  transition: var(--transition);
}

.contact-item:hover::before {
  transform: scaleX(1);
}

.contact-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 30px 80px -20px rgba(99, 102, 241, 0.4);
}

.contact-icon {
  width: 60px;
  height: 60px;
  background: var(--gradient-purple);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  color: white;
  font-size: 1.5rem;
  box-shadow: 0 10px 30px -10px rgba(99, 102, 241, 0.4);
}

.contact-item h4 {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 0.5rem;
}

.contact-item a {
  color: var(--primary-blue);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
  display: block;
  margin: 0.25rem 0;
}

.contact-item a:hover {
  color: var(--primary-blue-dark);
}

.contact-item p {
  font-size: 0.9rem;
  color: var(--text-light);
  margin-top: 0.5rem;
}

/* Staff Login Section */
.login-section {
  background: transparent;
}

.login-card {
  background: var(--gradient-purple);
  padding: 3rem 2rem;
  border-radius: 24px;
  text-align: center;
  color: white;
  max-width: 500px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
  box-shadow: 0 30px 80px -20px rgba(99, 102, 241, 0.4);
}

.login-card::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 200px;
  height: 200px;
  background: url('https://images.unsplash.com/photo-1563207153-f403bf289096?ixlib=rb-4.0.3&auto=format&fit=crop&w=400&q=80') center/cover no-repeat;
  opacity: 0.1;
  border-radius: 50%;
}

.login-card h2 {
  color: white;
  margin-bottom: 1rem;
  position: relative;
  z-index: 2;
}

.login-card p {
  margin-bottom: 2rem;
  opacity: 0.9;
  position: relative;
  z-index: 2;
}

/* Footer */
footer {
  background: rgba(10, 14, 39, 0.95);
  backdrop-filter: blur(20px);
  color: white;
  padding: 3rem 2rem 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
  text-align: left;
}

.footer-section h4 {
  color: white;
  font-weight: 700;
  margin-bottom: 1rem;
  font-size: 1.1rem;
}

.footer-section p,
.footer-section a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  margin-bottom: 0.5rem;
  display: block;
  transition: var(--transition);
}

.footer-section a:hover {
  color: var(--accent-orange);
}

.social-links {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-top: 2rem;
}

.social-links a {
  width: 50px;
  height: 50px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  text-decoration: none;
  transition: var(--transition);
  font-size: 1.2rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.social-links a:hover {
  background: var(--gradient-purple);
  transform: translateY(-3px);
  box-shadow: 0 10px 30px -10px rgba(99, 102, 241, 0.6);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 2rem;
  margin-top: 2rem;
  text-align: center;
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
}

/* Back to top button */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 50px;
  height: 50px;
  background: var(--gradient-purple);
  color: white;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 10px 30px -10px rgba(99, 102, 241, 0.6);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 999;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 40px -10px rgba(99, 102, 241, 0.8);
}

/* Modal Styles */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

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

.modal {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  padding: 2rem;
  border-radius: 20px;
  width: 100%;
  max-width: 400px;
  margin: 1rem;
  box-shadow: 0 30px 80px -20px rgba(0, 0, 0, 0.5);
  transform: translateY(50px);
  transition: var(--transition);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

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

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
}

.modal-header h3 {
  color: var(--text-dark);
  font-size: 1.5rem;
  font-weight: 700;
}

.close-modal {
  background: none;
  border: none;
  color: var(--text-light);
  cursor: pointer;
  font-size: 1.5rem;
  transition: var(--transition);
  padding: 0.25rem;
}

.close-modal:hover {
  color: var(--text-dark);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--text-dark);
  font-weight: 500;
}

.form-group input {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 2px solid #e5e7eb;
  border-radius: 12px;
  font-size: 1rem;
  transition: var(--transition);
}

.form-group input:focus {
  outline: none;
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
}

.submit-btn {
  width: 100%;
  background: var(--gradient-purple);
  color: white;
  padding: 1rem;
  border: none;
  border-radius: 12px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  box-shadow: 0 10px 30px -10px rgba(99, 102, 241, 0.6);
}

.submit-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 15px 40px -10px rgba(99, 102, 241, 0.8);
}

/* Success and Error States */
.alert {
  padding: 1rem;
  border-radius: 12px;
  margin-bottom: 1rem;
  font-weight: 500;
}

.alert-success {
  background: #d1fae5;
  color: #065f46;
  border: 1px solid #a7f3d0;
}

.alert-error {
  background: #fee2e2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

/* Loading Animation */
.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top: 2px solid white;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Tasks Dashboard CTA - Featured Position */
.tasks-dashboard-cta {
  position: fixed;
  bottom: 80px;
  right: 2rem;
  z-index: 998;
  animation: pulse-glow 2s ease-in-out infinite;
}

@keyframes pulse-glow {
  0%, 100% {
    box-shadow: 0 10px 30px -10px rgba(99, 102, 241, 0.6);
  }
  50% {
    box-shadow: 0 15px 40px -10px rgba(99, 102, 241, 0.9);
  }
}

.tasks-dashboard-btn {
  background: var(--gradient-purple);
  color: white;
  padding: 1rem 1.5rem;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  transition: var(--transition);
  box-shadow: 0 10px 30px -10px rgba(99, 102, 241, 0.6);
  border: 2px solid rgba(255, 255, 255, 0.3);
  font-size: 1rem;
  position: relative;
  overflow: hidden;
}

.tasks-dashboard-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  transition: left 0.5s;
}

.tasks-dashboard-btn:hover::before {
  left: 100%;
}

.tasks-dashboard-btn:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 20px 50px -10px rgba(99, 102, 241, 0.8);
}

.badge-new {
  position: absolute;
  top: -8px;
  right: -8px;
  background: var(--gradient-accent);
  color: white;
  font-size: 0.7rem;
  font-weight: 800;
  padding: 0.25rem 0.5rem;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.4);
  animation: bounce 1s ease-in-out infinite;
}

@keyframes bounce {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-5px);
  }
}

/* Scroll Animations */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.slide-in-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: all 0.6s ease;
}

.slide-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.slide-in-right {
  opacity: 0;
  transform: translateX(50px);
  transition: all 0.6s ease;
}

.slide-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: rgba(10, 14, 39, 0.5);
}

::-webkit-scrollbar-thumb {
  background: var(--gradient-purple);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-blue);
}

/* Focus States for Accessibility */
*:focus {
  outline: 2px solid var(--primary-blue);
  outline-offset: 2px;
}

button:focus,
a:focus,
input:focus {
  outline: 2px solid var(--primary-blue);
  outline-offset: 2px;
}

/* Hidden class */
.hidden {
  display: none !important;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .hero-container {
    gap: 2rem;
  }
  
  .about-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 2rem;
  }
  
  .download-stats {
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    display: none;
  }

  .mobile-menu-btn {
    display: flex;
  }

  .header-container {
    padding: 0 1rem;
  }

  .hero {
    padding: 0 1rem;
  }

  .hero-container {
    grid-template-columns: 1fr;
    gap: 2rem;
    text-align: center;
  }

  .hero-content h1 {
    font-size: 2.5rem;
  }

  .floating-card {
    display: none;
  }

  .services-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 4rem 1rem;
  }

  .about-stats {
    grid-template-columns: 1fr;
    gap: 1rem;
    text-align: center;
  }

  .download-stats {
    flex-direction: column;
    gap: 1rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .eta-banner-content {
    flex-direction: column;
    gap: 0.5rem;
  }

  .eta-quick-access {
    padding: 3rem 1rem;
  }

  .eta-features {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .tasks-dashboard-cta {
    bottom: 70px;
    right: 1rem;
    left: 1rem;
  }

  .tasks-dashboard-btn {
    width: 100%;
    justify-content: center;
    padding: 1rem;
    font-size: 0.95rem;
  }
}

@media (max-width: 480px) {
  .hero-buttons {
    flex-direction: column;
    width: 100%;
  }

  .btn-primary,
  .btn-secondary,
  .btn-eta,
  .btn-premium {
    width: 100%;
    justify-content: center;
  }

  .service-card {
    padding: 2rem 1.5rem;
  }

  .contact-item {
    padding: 1.5rem;
  }

  .modal {
    margin: 0.5rem;
    padding: 1.5rem;
  }

  .back-to-top {
    bottom: 1rem;
    right: 1rem;
    width: 45px;
    height: 45px;
  }

  header {
    height: 70px;
  }

  .mobile-nav {
    top: 130px;
  }

  .hero {
    margin-top: 130px;
  }

  .eta-banner {
    padding: 0.75rem 1rem;
  }

  .eta-banner-text {
    font-size: 0.9rem;
  }

  .eta-feature {
    padding: 1.5rem;
  }
}