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

:root {
  --bg-main: #0a0a0f;
  --bg-secondary: #13141f;
  --bg-glass: rgba(10, 10, 15, 0.75);
  --bg-card: rgba(255, 255, 255, 0.03);
  --bg-card-hover: rgba(255, 255, 255, 0.06);
  --bg-icon: rgba(0, 240, 255, 0.08);

  --primary: #00e8cc;
  --secondary: #008f6e;
  --accent: #ff0055;
  --gradient-brand: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  --gradient-glow: linear-gradient(135deg, rgba(0,232,204,0.5) 0%, rgba(0,143,110,0.5) 100%);

  --text-main: #f8fafc;
  --text-muted: #94a3b8;

  --border-light: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(0, 232, 204, 0.4);

  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;

  --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  background-image:
    radial-gradient(circle at 15% 50%, rgba(112, 0, 255, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 85% 30%, rgba(0, 240, 255, 0.08) 0%, transparent 50%);
}

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

ul {
  list-style: none;
}

/* Layout Utilities */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
}

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

.text-gradient {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline-block;
}

/* Header & Nav */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-light);
  padding: 16px 0;
  transition: var(--transition);
}

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

.logo img {
  height: 64px;
  will-change: transform;
}

.nav-links {
  display: flex;
  gap: 32px;
  align-items: center;
}

.nav-links a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-main);
  position: relative;
}

.nav-links a:hover {
  color: var(--primary);
}

/* Dropdown Menus */
.dropdown {
  position: relative;
  display: flex;
  align-items: center;
  height: 100%;
}

.dropdown-content {
  visibility: hidden;
  position: absolute;
  top: 100%;
  left: -20px;
  background-color: var(--bg-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  min-width: 200px;
  box-shadow: 0px 8px 30px rgba(0,0,0,0.6);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  z-index: 1001;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s;
  padding: 8px 0;
}

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

.dropdown-content a {
  padding: 12px 24px;
  display: block;
  font-size: 0.9rem;
  white-space: nowrap;
  transition: var(--transition);
}

.dropdown-content a:hover {
  background-color: var(--bg-card-hover);
  color: var(--primary);
  padding-left: 30px;
}

.nav-actions {
  display: flex;
  gap: 16px;
  align-items: center;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  gap: 8px;
}

.btn-primary {
  background: var(--gradient-brand);
  color: #fff;
  box-shadow: 0 4px 15px rgba(0, 240, 255, 0.2);
}

.btn-primary:hover {
  box-shadow: 0 8px 25px rgba(0, 240, 255, 0.4);
  transform: translateY(-2px);
}

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

.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(0, 240, 255, 0.05);
}

/* Hero Section */
.hero {
  padding: 220px 0 120px;
  position: relative;
  text-align: center;
  overflow: hidden;
}

.hero::after {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 400px;
  background: var(--gradient-brand);
  filter: blur(150px);
  opacity: 0.2;
  border-radius: 50%;
  z-index: -1;
}

.hero h1 {
  font-size: 4.5rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 24px;
  letter-spacing: -0.03em;
}

.hero p {
  font-size: 1.25rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto 40px;
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
}

/* Grids */
.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

/* Cards */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 40px 32px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 100%;
  backdrop-filter: blur(10px);
}

.card:hover {
  transform: translateY(-8px);
  border-color: var(--border-glow);
  background: var(--bg-card-hover);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.card-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.card-icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-sm);
  background: var(--bg-icon);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  color: var(--primary);
  margin-bottom: 24px;
  border: 1px solid var(--border-light);
  transition: var(--transition);
}

.card-icon svg {
  flex-shrink: 0;
  transition: var(--transition);
}

.card:hover .card-icon {
  background: var(--gradient-brand);
  color: #fff;
  border-color: transparent;
}

.card h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 32px;
  flex-grow: 1;
}

/* Features List */
.feature-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 40px;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.feature-item i,
.feature-item svg {
  color: var(--primary);
  font-size: 20px;
  margin-top: 4px;
  flex-shrink: 0;
}

.feature-item h4 {
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.feature-item p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Two Col Section */
.grid-2-align {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 16px;
  line-height: 1.2;
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 1.1rem;
  margin-bottom: 48px;
}

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  text-align: center;
  transition: var(--transition);
  backdrop-filter: blur(10px);
}

.stat-card:hover {
  border-color: var(--border-glow);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
}

.stat-number {
  font-size: 2.8rem;
  font-weight: 800;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.stat-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}

.stat-bar {
  width: 100%;
  height: 4px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 4px;
  overflow: hidden;
}

.stat-bar-fill {
  height: 100%;
  background: var(--gradient-brand);
  border-radius: 4px;
  width: 0;
  transition: width 2s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.stat-detail {
  font-size: 0.85rem;
  color: var(--text-muted);
  letter-spacing: 0.02em;
}

.stat-detail span {
  font-size: 1.2rem;
  margin: 0 4px;
}

.stat-detail img {
  height: 18px;
  vertical-align: middle;
  border-radius: 2px;
  margin: 0 5px;
}

/* Footer */
.footer {
  background: var(--bg-secondary);
  padding: 80px 0 40px;
  border-top: 1px solid var(--border-light);
}

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

.footer-brand p {
  color: var(--text-muted);
  margin: 20px 0;
  max-width: 300px;
}

.social-links {
  display: flex;
  gap: 16px;
}

.social-links a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg-card);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-main);
  border: 1px solid var(--border-light);
}

.social-links a:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  transform: translateY(-3px);
}

.footer h4 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 24px;
}

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.footer-links a:hover {
  color: var(--primary);
}

.footer-bottom {
  text-align: center;
  padding-top: 32px;
  border-top: 1px solid var(--border-light);
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Badges */
.badge {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(0, 240, 255, 0.1);
  color: var(--primary);
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 16px;
  border: 1px solid rgba(0, 240, 255, 0.2);
}

/* Responsive */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-2-align { grid-template-columns: 1fr; }
  .hero h1 { font-size: 3.5rem; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .hero h1 { font-size: 2.5rem; }
  .grid-4, .grid-3 { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .feature-list { grid-template-columns: 1fr; }
  .hero-buttons { flex-direction: column; }
  .nav-actions { display: none; }
}

/* ================================================
   HAMBURGER BUTTON
   ================================================ */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: transparent;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  cursor: pointer;
  z-index: 1100;
  transition: var(--transition);
}
.hamburger:hover { border-color: var(--primary); }
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-main);
  border-radius: 2px;
  transition: all 0.35s cubic-bezier(.25,.8,.25,1);
  transform-origin: center;
}
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 768px) {
  .hamburger { display: flex; }
}

/* ================================================
   MOBILE MENU OVERLAY
   ================================================ */
.mobile-menu-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 1099;
  opacity: 0;
  transition: opacity 0.3s ease;
}
.mobile-menu-overlay.active {
  display: block;
  opacity: 1;
}

/* ================================================
   MOBILE MENU DRAWER
   ================================================ */
.mobile-menu {
  position: fixed;
  top: 0;
  right: 0;
  width: 300px;
  max-width: 85vw;
  height: 100%;
  background: var(--bg-secondary);
  border-left: 1px solid var(--border-light);
  z-index: 1100;
  transform: translateX(105%);
  transition: transform 0.35s cubic-bezier(.25,.8,.25,1);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}
.mobile-menu.active { transform: translateX(0); }

.mobile-menu-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 20px 16px;
  border-bottom: 1px solid var(--border-light);
}
.mobile-menu-header img { height: 44px; }
.mobile-menu-close {
  background: none;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: 1.1rem;
  cursor: pointer;
  padding: 6px 10px;
  line-height: 1;
  transition: var(--transition);
}
.mobile-menu-close:hover { color: var(--primary); border-color: var(--primary); }

.mobile-nav {
  display: flex;
  flex-direction: column;
  padding: 16px 12px;
  gap: 2px;
  flex-grow: 1;
}
.mobile-nav > a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 14px;
  font-size: 0.95rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  color: var(--text-main);
  transition: var(--transition);
}
.mobile-nav > a:hover {
  background: var(--bg-card);
  color: var(--primary);
  padding-left: 20px;
}

.mobile-nav-group { margin: 4px 0; }
.mobile-nav-group-title {
  padding: 8px 14px 4px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--primary);
}
.mobile-nav-group a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 14px 9px 28px;
  font-size: 0.88rem;
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.mobile-nav-group a img { border-radius: 2px; flex-shrink: 0; }
.mobile-nav-group a:hover {
  background: var(--bg-card);
  color: var(--text-main);
}

.mobile-nav-divider {
  height: 1px;
  background: var(--border-light);
  margin: 10px 0;
}
.mobile-nav-ctas {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 4px 0 8px;
}
.mobile-nav-ctas .btn {
  justify-content: center;
  width: 100%;
  padding: 12px 20px;
  font-size: 0.9rem;
}