/* ==========================================================================
   Base Styles & Variables
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
  /* Colors */
  --bg-primary: #0A0E1A;
  --bg-secondary: #111827;
  --bg-glass: rgba(17, 24, 39, 0.6);
  --bg-glass-hover: rgba(31, 41, 55, 0.8);
  
  --accent-blue: #00D4FF;
  --accent-purple: #7B2FFF;
  --accent-gradient: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  
  --text-main: #F3F4F6;
  --text-muted: #9CA3AF;
  
  --border-color: rgba(255, 255, 255, 0.1);
  --border-glow: 0 0 15px rgba(0, 212, 255, 0.3);
  
  /* Typography */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* ==========================================================================
   Reset & Global
   ========================================================================== */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
}

h1 { font-size: clamp(2.5rem, 5vw, 4.5rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }

a {
  color: var(--text-main);
  text-decoration: none;
  transition: color var(--transition-normal);
}

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

img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul {
  list-style: none;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.text-center { text-align: center; }
.text-gradient {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.text-muted { color: var(--text-muted); }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mb-5 { margin-bottom: 3rem; }

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: 8px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-normal);
  border: none;
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.btn-primary {
  background: var(--accent-gradient);
  color: #fff;
  box-shadow: 0 4px 15px rgba(123, 47, 255, 0.4);
}

.btn-primary::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 ease;
  z-index: -1;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 212, 255, 0.5);
  color: #fff;
}

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

.btn-outline {
  background: transparent;
  color: var(--text-main);
  border: 1px solid var(--accent-blue);
}

.btn-outline:hover {
  background: rgba(0, 212, 255, 0.1);
  box-shadow: var(--border-glow);
  transform: translateY(-2px);
}

.btn-block {
  display: block;
  width: 100%;
}

/* ==========================================================================
   Glassmorphism Cards
   ========================================================================== */

.glass-card {
  background: var(--bg-glass);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 30px;
  transition: all var(--transition-normal);
}

.glass-card:hover {
  background: var(--bg-glass-hover);
  border-color: var(--accent-blue);
  box-shadow: var(--border-glow);
  transform: translateY(-5px);
}

/* ==========================================================================
   Navigation
   ========================================================================== */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 20px 0;
  transition: all var(--transition-normal);
}

.navbar.scrolled {
  padding: 15px 0;
  background: var(--bg-glass);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  border-bottom: 1px solid var(--border-color);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  color: var(--text-main);
}

.logo-dot {
  width: 8px;
  height: 8px;
  background: var(--accent-blue);
  border-radius: 50%;
  margin-left: 4px;
  box-shadow: 0 0 10px var(--accent-blue);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 30px;
}

.nav-links a {
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 1rem;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -4px;
  left: 0;
  background: var(--accent-gradient);
  transition: width var(--transition-normal);
}

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

.hamburger {
  display: none;
  cursor: pointer;
  background: none;
  border: none;
  color: var(--text-main);
  font-size: 1.5rem;
}

/* Dropdown */
.dropdown {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--bg-secondary);
  min-width: 200px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  padding: 10px 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-normal);
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-menu li {
  display: block;
}

.dropdown-menu a {
  padding: 10px 20px;
  display: block;
}

.dropdown-menu a::after {
  display: none;
}

.dropdown-menu a:hover {
  background: rgba(255,255,255,0.05);
  color: var(--accent-blue);
}

/* ==========================================================================
   Footer
   ========================================================================== */

footer {
  background: #05070d;
  padding: 80px 0 20px;
  border-top: 1px solid var(--border-color);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  margin-bottom: 60px;
}

.footer-col h4 {
  font-size: 1.2rem;
  margin-bottom: 20px;
  position: relative;
  display: inline-block;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  width: 30px;
  height: 2px;
  bottom: -5px;
  left: 0;
  background: var(--accent-gradient);
}

.footer-col p {
  color: var(--text-muted);
  margin-bottom: 15px;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: var(--text-muted);
}

.footer-links a:hover {
  color: var(--accent-blue);
  padding-left: 5px;
}

.social-icons {
  display: flex;
  gap: 15px;
  margin-top: 20px;
}

.social-icons a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  transition: all var(--transition-normal);
}

.social-icons a:hover {
  background: var(--accent-gradient);
  border-color: transparent;
  transform: translateY(-3px);
}

.newsletter-form {
  display: flex;
  margin-top: 15px;
}

.newsletter-form input {
  flex: 1;
  padding: 12px 15px;
  border: 1px solid var(--border-color);
  background: var(--bg-secondary);
  color: var(--text-main);
  border-radius: 4px 0 0 4px;
  outline: none;
}

.newsletter-form input:focus {
  border-color: var(--accent-blue);
}

.newsletter-form button {
  padding: 12px 20px;
  background: var(--accent-gradient);
  border: none;
  color: white;
  border-radius: 0 4px 4px 0;
  cursor: pointer;
  font-weight: bold;
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.footer-bottom-links {
  display: flex;
  gap: 20px;
}

.usa-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.05);
  padding: 8px 12px;
  border-radius: 20px;
  font-size: 0.85rem;
  border: 1px solid var(--border-color);
}

/* ==========================================================================
   Utility Layouts
   ========================================================================== */

.section-padding {
  padding: 100px 0;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.align-center {
  align-items: center;
}

/* Scroll to top & WhatsApp Float */
.floating-btn {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-glass);
  backdrop-filter: blur(5px);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  font-size: 1.2rem;
  cursor: pointer;
  z-index: 99;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.floating-btn.visible {
  opacity: 1;
  visibility: visible;
}

.floating-btn:hover {
  background: var(--accent-gradient);
  transform: translateY(-3px);
}

.whatsapp-float {
  position: fixed;
  bottom: 30px;
  left: 30px;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: #25D366;
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
  z-index: 99;
  transition: all var(--transition-normal);
  text-decoration: none;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  color: white;
}

/* Scroll Progress Bar */
#scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 3px;
  background: var(--accent-gradient);
  z-index: 1001;
}

/* Announcement Bar */
.announcement-bar {
  background: var(--accent-gradient);
  color: white;
  text-align: center;
  padding: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
}

/* Page Header (for inner pages) */
.page-header {
  padding: 150px 0 80px;
  text-align: center;
  position: relative;
  background: linear-gradient(to bottom, #0A0E1A, #111827);
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  top: -50%; left: 50%;
  transform: translateX(-50%);
  width: 800px; height: 800px;
  background: radial-gradient(circle, rgba(123, 47, 255, 0.1) 0%, transparent 70%);
  z-index: 0;
}

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