@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');
@import url('https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css');

:root {
  /* Custom Color Palette */
  --c-primary: #0B4DB7;
  --c-orange: #F7931E;
  --c-green: #2E9E3E;
  --c-navy: #0A2240;
  --c-bg-light: #F8FAFC;
  --c-white: #FFFFFF;
  --c-text-main: #1E293B;
  --c-text-muted: #64748B;
  --c-border: #E2E8F0;

  --font-main: 'Inter', sans-serif;
  --max-width: 1400px;
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-premium: 0 30px 60px -15px rgba(11, 77, 183, 0.15);
  
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-main);
  background-color: var(--c-bg-light);
  color: var(--c-text-main);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; height: auto; display: block; }
button, input, textarea { font-family: inherit; }

/* Language Toggle */
.hide-lang { display: none !important; }

/* Layout & Containers */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
  width: 100%;
}
section { padding: 6rem 0; position: relative; }
.section-header { text-align: center; margin-bottom: 4rem; max-width: 800px; margin-inline: auto; }
.section-title { font-size: 2.5rem; font-weight: 800; color: var(--c-navy); margin-bottom: 1rem; line-height: 1.2; }
.section-subtitle { font-size: 1.125rem; color: var(--c-text-muted); }

/* Typography */
h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.2; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 2rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 1rem;
  transition: var(--transition-normal);
  cursor: pointer;
  border: 2px solid transparent;
  gap: 0.5rem;
  position: relative;
  overflow: hidden;
  z-index: 1;
}
.btn::before {
  content: ''; position: absolute; top: 50%; left: 50%; width: 0; height: 0;
  background: rgba(255,255,255,0.2); border-radius: 50%;
  transform: translate(-50%, -50%); transition: width 0.6s ease, height 0.6s ease; z-index: -1;
}
.btn:hover::before { width: 300px; height: 300px; }
.btn-primary { background: var(--c-primary); color: var(--c-white); box-shadow: 0 10px 20px -10px var(--c-primary); }
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 15px 25px -10px var(--c-primary); }
.btn-orange { background: var(--c-orange); color: var(--c-white); box-shadow: 0 10px 20px -10px var(--c-orange); }
.btn-orange:hover { transform: translateY(-3px); box-shadow: 0 15px 25px -10px var(--c-orange); }
.btn-outline { background: transparent; border-color: var(--c-primary); color: var(--c-primary); }
.btn-outline:hover { background: var(--c-primary); color: var(--c-white); transform: translateY(-3px); }
.btn-white { background: var(--c-white); color: var(--c-primary); box-shadow: var(--shadow-md); }
.btn-white:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }

/* Glassmorphism */
.glass {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.5);
}
.glass-dark {
  background: rgba(10, 34, 64, 0.8);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--c-white);
}

/* Navbar */
.navbar {
  position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;
  padding: 1rem 0; transition: var(--transition-normal);
}
.navbar.scrolled {
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
  padding: 0.75rem 0;
}
.navbar .container { display: flex; align-items: center; justify-content: space-between; }
.nav-brand { display: flex; align-items: center; gap: 0.75rem; font-size: 1.5rem; font-weight: 800; color: var(--c-navy); }
.nav-brand img { height: 2.5rem; object-fit: contain; }
.nav-links { display: flex; gap: 2rem; align-items: center; }
.nav-links a { font-weight: 500; color: var(--c-navy); transition: var(--transition-fast); }
.nav-links a:hover { color: var(--c-primary); }
.nav-actions { display: flex; align-items: center; gap: 1rem; }
.nav-lang { cursor: pointer; font-weight: 600; color: var(--c-text-muted); transition: var(--transition-fast); border: 1px solid var(--c-border); padding: 0.5rem 1rem; border-radius: var(--radius-full); }
.nav-lang:hover { color: var(--c-primary); border-color: var(--c-primary); }
.mobile-menu-btn { display: none; font-size: 1.5rem; color: var(--c-navy); background: none; border: none; cursor: pointer; }

/* Hero Section */
.hero {
  min-height: 100vh;
  padding-top: 8rem;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--c-bg-light) 0%, #e0e7ff 100%);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; top: -20%; right: -10%; width: 60%; height: 80%;
  background: radial-gradient(circle, rgba(11,77,183,0.1) 0%, rgba(255,255,255,0) 70%); z-index: 0;
}
.hero-container {
  display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; position: relative; z-index: 1;
}
.hero-content h1 { font-size: 4rem; color: var(--c-navy); margin-bottom: 1.5rem; letter-spacing: -0.02em; }
.hero-content h1 span { color: var(--c-primary); }
.hero-content p { font-size: 1.25rem; color: var(--c-text-muted); margin-bottom: 2.5rem; max-width: 90%; }
.hero-buttons { display: flex; gap: 1rem; flex-wrap: wrap; }
.hero-illustration { position: relative; animation: float 6s ease-in-out infinite; }
.hero-illustration img { width: 100%; border-radius: var(--radius-xl); filter: drop-shadow(var(--shadow-premium)); }
@keyframes float { 0% { transform: translateY(0px); } 50% { transform: translateY(-20px); } 100% { transform: translateY(0px); } }

/* Stats Section */
.stats { padding: 4rem 0; background: var(--c-white); margin-top: -2rem; position: relative; z-index: 10; border-radius: var(--radius-xl) var(--radius-xl) 0 0; box-shadow: 0 -10px 40px rgba(0,0,0,0.02); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; text-align: center; }
.stat-card { padding: 2rem; border-radius: var(--radius-lg); transition: var(--transition-normal); }
.stat-card:hover { transform: translateY(-5px); background: var(--c-bg-light); }
.stat-num { font-size: 3rem; font-weight: 900; color: var(--c-primary); margin-bottom: 0.5rem; line-height: 1; }
.stat-label { font-weight: 600; color: var(--c-text-muted); text-transform: uppercase; letter-spacing: 1px; font-size: 0.875rem; }

/* Categories */
.categories { background: var(--c-bg-light); }
.cat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 1.5rem; }
.cat-card {
  background: var(--c-white); padding: 2rem 1.5rem; border-radius: var(--radius-lg);
  text-align: center; transition: var(--transition-normal); box-shadow: var(--shadow-sm);
  border: 1px solid transparent; cursor: pointer; display: block;
}
.cat-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-xl); border-color: rgba(11,77,183,0.1); }
.cat-icon {
  width: 4rem; height: 4rem; margin: 0 auto 1.5rem; border-radius: 50%;
  display: flex; align-items: center; justify-content: center; font-size: 1.75rem;
  background: rgba(11,77,183,0.05); color: var(--c-primary); transition: var(--transition-normal);
}
.cat-card:hover .cat-icon { background: var(--c-primary); color: var(--c-white); transform: scale(1.1); }
.cat-card h3 { font-size: 1.125rem; color: var(--c-navy); margin-bottom: 0.5rem; }
.cat-card p { font-size: 0.875rem; color: var(--c-text-muted); }

/* Features */
.features { background: var(--c-white); }
.feature-row { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; margin-bottom: 6rem; }
.feature-row:last-child { margin-bottom: 0; }
.feature-row.reverse .feature-content { order: 2; }
.feature-row.reverse .feature-image { order: 1; }
.feature-content h3 { font-size: 2.25rem; color: var(--c-navy); margin-bottom: 1.5rem; }
.feature-content p { font-size: 1.125rem; color: var(--c-text-muted); margin-bottom: 2rem; }
.feature-list li { display: flex; align-items: flex-start; gap: 1rem; margin-bottom: 1rem; }
.feature-list i { color: var(--c-green); font-size: 1.25rem; margin-top: 0.25rem; }
.feature-image img { border-radius: var(--radius-xl); box-shadow: var(--shadow-premium); }

/* How It Works (Timeline) */
.timeline { background: var(--c-bg-light); }
.timeline-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 3rem; position: relative; }
.timeline-grid::before {
  content: ''; position: absolute; top: 3rem; left: 10%; right: 10%; height: 2px;
  background: dashed 2px var(--c-border); z-index: 0;
}
.step-card { text-align: center; position: relative; z-index: 1; }
.step-number {
  width: 6rem; height: 6rem; margin: 0 auto 1.5rem; background: var(--c-white);
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-size: 2rem; font-weight: 800; color: var(--c-primary); box-shadow: var(--shadow-lg);
  border: 4px solid var(--c-bg-light); transition: var(--transition-normal);
}
.step-card:hover .step-number { transform: scale(1.1); background: var(--c-primary); color: var(--c-white); }
.step-card h3 { font-size: 1.5rem; margin-bottom: 1rem; color: var(--c-navy); }
.step-card p { color: var(--c-text-muted); }

/* Screenshots */
.screenshots { background: var(--c-navy); color: var(--c-white); overflow: hidden; }
.screenshots .section-title { color: var(--c-white); }
.screenshot-track { display: flex; gap: 2rem; padding: 2rem 0; overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none; }
.screenshot-track::-webkit-scrollbar { display: none; }
.screenshot-item { flex: 0 0 auto; width: 300px; scroll-snap-align: center; transition: var(--transition-normal); border-radius: 2rem; box-shadow: 0 25px 50px -12px rgba(0,0,0,0.5); border: 8px solid #1E293B; }
.screenshot-item:hover { transform: scale(1.05); }

/* Testimonials */
.testimonials { background: var(--c-white); }
.testi-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.testi-card { padding: 2.5rem; background: var(--c-bg-light); border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); transition: var(--transition-normal); }
.testi-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-xl); }
.testi-stars { color: var(--c-orange); margin-bottom: 1.5rem; font-size: 1.25rem; }
.testi-quote { font-size: 1.125rem; font-style: italic; color: var(--c-text-main); margin-bottom: 2rem; }
.testi-author { display: flex; align-items: center; gap: 1rem; }
.testi-avatar { width: 3.5rem; height: 3.5rem; border-radius: 50%; background: var(--c-border); overflow: hidden; }
.testi-avatar img { width: 100%; height: 100%; object-fit: cover; }
.testi-info h4 { color: var(--c-navy); font-size: 1rem; }
.testi-info p { color: var(--c-text-muted); font-size: 0.875rem; }

/* FAQ */
.faq { background: var(--c-bg-light); }
.faq-container { max-width: 800px; margin: 0 auto; }
.faq-item { background: var(--c-white); border-radius: var(--radius-md); margin-bottom: 1rem; box-shadow: var(--shadow-sm); overflow: hidden; }
.faq-question { padding: 1.5rem; display: flex; justify-content: space-between; align-items: center; font-weight: 600; font-size: 1.125rem; color: var(--c-navy); cursor: pointer; user-select: none; }
.faq-icon { transition: transform 0.3s ease; color: var(--c-primary); }
.faq-answer { padding: 0 1.5rem; max-height: 0; overflow: hidden; transition: max-height 0.3s ease, padding 0.3s ease; color: var(--c-text-muted); }
.faq-item.active .faq-answer { padding-bottom: 1.5rem; max-height: 500px; }
.faq-item.active .faq-icon { transform: rotate(180deg); }

/* Download App */
.download { background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-navy) 100%); color: var(--c-white); padding: 6rem 0; position: relative; overflow: hidden; }
.download-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; position: relative; z-index: 1; }
.download-content h2 { font-size: 3rem; margin-bottom: 1.5rem; }
.download-content p { font-size: 1.25rem; opacity: 0.9; margin-bottom: 2.5rem; }
.store-buttons { display: flex; gap: 1rem; }
.store-btn { display: flex; align-items: center; gap: 1rem; background: var(--c-white); color: var(--c-navy); padding: 0.75rem 1.5rem; border-radius: var(--radius-lg); font-weight: 700; transition: var(--transition-normal); }
.store-btn:hover { transform: translateY(-3px); box-shadow: var(--shadow-xl); }
.store-btn i { font-size: 2rem; color: var(--c-primary); }
.qr-box { background: rgba(255,255,255,0.1); padding: 2rem; border-radius: var(--radius-xl); backdrop-filter: blur(10px); text-align: center; border: 1px solid rgba(255,255,255,0.2); }
.qr-box img { width: 200px; height: 200px; margin: 0 auto 1rem; border-radius: var(--radius-md); background: #fff; padding: 10px; }

/* Contact */
.contact { background: var(--c-white); }
.contact-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 4rem; }
.contact-info-card { background: var(--c-navy); color: var(--c-white); padding: 3rem; border-radius: var(--radius-xl); }
.contact-info-card h3 { font-size: 2rem; margin-bottom: 2rem; }
.info-item { display: flex; align-items: flex-start; gap: 1rem; margin-bottom: 1.5rem; font-size: 1.125rem; }
.info-item i { color: var(--c-orange); font-size: 1.5rem; margin-top: 0.25rem; }
.contact-form { padding: 1rem 0; }
.form-group { margin-bottom: 1.5rem; }
.form-group label { display: block; font-weight: 600; color: var(--c-navy); margin-bottom: 0.5rem; }
.form-control { width: 100%; padding: 1rem; border: 1px solid var(--c-border); border-radius: var(--radius-md); font-size: 1rem; transition: var(--transition-fast); background: var(--c-bg-light); }
.form-control:focus { outline: none; border-color: var(--c-primary); box-shadow: 0 0 0 4px rgba(11,77,183,0.1); background: var(--c-white); }

/* Footer */
footer { background: var(--c-navy); color: rgba(255,255,255,0.7); padding: 5rem 0 2rem; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 4rem; margin-bottom: 4rem; }
.footer-brand { margin-bottom: 1.5rem; }
.footer-brand img { height: 3rem; margin-bottom: 1rem; filter: brightness(0) invert(1); }
.footer-desc { margin-bottom: 2rem; }
.social-links { display: flex; gap: 1rem; }
.social-links a { width: 2.5rem; height: 2.5rem; display: flex; align-items: center; justify-content: center; background: rgba(255,255,255,0.1); border-radius: 50%; color: var(--c-white); transition: var(--transition-fast); }
.social-links a:hover { background: var(--c-primary); transform: translateY(-3px); }
.footer-links h4 { color: var(--c-white); font-size: 1.125rem; margin-bottom: 1.5rem; }
.footer-links ul { display: flex; flex-direction: column; gap: 0.75rem; }
.footer-links a:hover { color: var(--c-orange); }
.footer-bottom { text-align: center; padding-top: 2rem; border-top: 1px solid rgba(255,255,255,0.1); font-size: 0.875rem; }

/* Scroll Animations */
.reveal { opacity: 0; transform: translateY(30px); transition: all 0.8s ease-out; }
.reveal.active { opacity: 1; transform: translateY(0); }
.reveal-left { opacity: 0; transform: translateX(-50px); transition: all 0.8s ease-out; }
.reveal-left.active { opacity: 1; transform: translateX(0); }
.reveal-right { opacity: 0; transform: translateX(50px); transition: all 0.8s ease-out; }
.reveal-right.active { opacity: 1; transform: translateX(0); }

/* Responsive Breakdown */
@media (max-width: 1200px) {
  .hero-content h1 { font-size: 3.5rem; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .timeline-grid::before { display: none; }
}

@media (max-width: 1024px) {
  .nav-links { display: none; }
  .nav-actions .btn { display: none; }
  .mobile-menu-btn { display: block; }
  
  .hero-container { grid-template-columns: 1fr; text-align: center; gap: 2rem; }
  .hero-content p { margin: 0 auto 2.5rem; }
  .hero-buttons { justify-content: center; }
  
  .feature-row, .feature-row.reverse { grid-template-columns: 1fr; gap: 2rem; }
  .feature-row .feature-image { order: 2 !important; }
  .feature-row .feature-content { order: 1 !important; }
  
  .testi-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .download-grid { grid-template-columns: 1fr; text-align: center; }
  .store-buttons { justify-content: center; }
  
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
}

@media (max-width: 768px) {
  .hero-content h1 { font-size: 2.5rem; }
  .timeline-grid { grid-template-columns: 1fr; }
  .testi-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .cat-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 425px) {
  .stats-grid { grid-template-columns: 1fr; }
  .cat-grid { grid-template-columns: 1fr; }
  .hero-buttons { flex-direction: column; width: 100%; }
  .hero-buttons .btn { width: 100%; }
  .store-buttons { flex-direction: column; }
}

/* Mobile Drawer */
.mobile-drawer {
  position: fixed; top: 0; left: -100%; width: 80%; max-width: 300px; height: 100vh;
  background: var(--c-white); z-index: 2000; box-shadow: var(--shadow-xl);
  transition: var(--transition-normal); padding: 2rem; display: flex; flex-direction: column;
}
.mobile-drawer.open { left: 0; }
.drawer-close { position: absolute; top: 1rem; right: 1rem; font-size: 1.5rem; background: none; border: none; color: var(--c-navy); cursor: pointer; }
.drawer-links { display: flex; flex-direction: column; gap: 1.5rem; margin-top: 3rem; }
.drawer-links a { font-size: 1.25rem; font-weight: 600; color: var(--c-navy); }
.drawer-backdrop { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.5); z-index: 1999; opacity: 0; pointer-events: none; transition: var(--transition-normal); }
.drawer-backdrop.open { opacity: 1; pointer-events: all; }