:root {
  --primary: #0f766e;
  --primary-hover: #0d9488;
  --secondary: #3b82f6;
  --accent: #10b981;
  --bg-light: #f8fafc;
  --text-main: #0f172a;
  --text-muted: #64748b;
  --glass: rgba(255, 255, 255, 0.8);
  --border: rgba(226, 232, 240, 0.8);
  --shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

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

body {
  font-family: 'Inter', sans-serif;
  color: var(--text-main);
  background-color: var(--bg-light);
  line-height: 1.6;
}

h1, h2, h3, h4 {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
}

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

/* Navigation */
nav {
  position: fixed;
  top: 0;
  width: 100%;
  background: var(--glass);
  backdrop-filter: blur(10px);
  z-index: 1000;
  border-bottom: 1px solid var(--border);
  padding: 15px 0;
  transition: all 0.3s;
}

nav.scrolled {
  padding: 10px 0;
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

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

.logo {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--primary);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 10px;
}

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

.nav-links a {
  text-decoration: none;
  color: var(--text-main);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.3s;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width 0.3s;
}

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

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

.mobile-toggle {
  display: none;
  font-size: 1.5rem;
  color: var(--primary);
  cursor: pointer;
}

.btn {
  padding: 10px 24px;
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s;
  cursor: pointer;
  display: inline-block;
  text-align: center;
}

.btn-primary {
  background-color: var(--primary);
  color: white;
  border: none;
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(15, 118, 110, 0.3);
}

.btn-outline {
  border: 2px solid var(--primary);
  color: var(--primary);
}

.btn-outline:hover {
  background-color: var(--primary);
  color: white;
}

.btn-lg {
  padding: 14px 30px;
  font-size: 1.05rem;
}

/* Sections */
.section-padding {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 60px;
}

.section-header h2 {
  font-size: 1.8rem;
  margin-bottom: 15px;
  background: linear-gradient(90deg, #0f172a 0%, #0f766e 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-header p {
  color: var(--text-muted);
  font-size: 1rem;
}

/* Hero Section */
.hero {
  padding: 120px 0 60px;
  background: radial-gradient(circle at 100% 0%, #f0fdfa 0%, #ffffff 50%);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -150px;
  left: -150px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.05) 0%, transparent 70%);
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
}

.hero h1 {
  font-size: 2.5rem;
  line-height: 1.2;
  margin-bottom: 15px;
  letter-spacing: -0.01em;
}

.hero p {
  font-size: 1.05rem;
  color: var(--text-muted);
  margin-bottom: 30px;
  font-weight: 400;
}

.hero-btns {
  display: flex;
  gap: 15px;
  justify-content: center;
  margin-bottom: 60px;
}

.hero-mockup {
  max-width: 900px;
  margin: 0 auto;
  border-radius: 16px;
  box-shadow: 0 25px 50px -12px rgba(15, 23, 42, 0.15);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: transform 0.5s ease;
}

.hero-mockup:hover {
  transform: translateY(-5px);
}

.hero-mockup img {
  width: 100%;
  display: block;
}

/* Stats */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-top: 80px;
}

.stat-item {
  padding: 15px;
}

.stat-item h3 {
  font-size: 1.8rem;
  color: var(--primary);
  margin-bottom: 5px;
}

.stat-item p {
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
}

/* Features */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 30px;
}

.feature-card {
  background: white;
  padding: 50px 40px;
  border-radius: 24px;
  border: 1px solid var(--border);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.feature-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.05);
  border-color: var(--primary);
}

.feature-icon {
  width: 64px;
  height: 64px;
  background: #f0fdfa;
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 18px;
  font-size: 1.6rem;
  margin-bottom: 30px;
}

.feature-card h3 {
  margin-bottom: 15px;
  font-size: 1.4rem;
}

.feature-card p {
  color: var(--text-muted);
  font-size: 1.05rem;
}

/* Pricing */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.pricing-card {
  background: white;
  padding: 50px 40px;
  border-radius: 24px;
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  transition: all 0.4s;
}

.pricing-card.featured {
  border: 2px solid var(--primary);
  box-shadow: 0 20px 40px rgba(15, 118, 110, 0.1);
  transform: scale(1.05);
  z-index: 2;
}

.pricing-card h3 {
  font-size: 1.5rem;
  margin-bottom: 10px;
}

.pricing-card .price {
  font-size: 2.5rem;
  font-weight: 800;
  margin: 20px 0;
  color: var(--text-main);
}

.pricing-card .price span {
  font-size: 1rem;
  color: var(--text-muted);
  font-weight: 500;
}

.pricing-features {
  list-style: none;
  margin-bottom: 40px;
  flex-grow: 1;
}

.pricing-features li {
  margin-bottom: 15px;
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-main);
}

.pricing-features li i {
  color: var(--accent);
}

/* Footer */
footer {
  background: #0f172a;
  color: white;
  padding: 100px 0 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 80px;
}

.footer-brand .logo {
  color: white;
  margin-bottom: 25px;
}

.footer-brand p {
  color: #94a3b8;
  max-width: 300px;
}

.footer-links h4 {
  margin-bottom: 20px;
  font-size: 1rem;
}

.footer-links ul {
  list-style: none;
}

.footer-links li {
  margin-bottom: 10px;
  font-size: 0.9rem;
}

.footer-links a {
  color: #94a3b8;
  text-decoration: none;
  transition: color 0.3s;
}

.footer-links a:hover {
  color: white;
}

.footer-bottom {
  border-top: 1px solid #334155;
  padding-top: 40px;
  text-align: center;
  color: #64748b;
  font-size: 0.9rem;
}

/* Language Switcher */
.lang-switcher {
  position: relative;
  display: inline-block;
}

.lang-btn {
  background: none;
  border: 1px solid var(--border);
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 0.85rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 5px;
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  animation: fadeInUp 0.8s ease forwards;
}

/* Responsive fixes */
@media (max-width: 1024px) {
  .hero h1 { font-size: 3.5rem; }
  .pricing-card.featured { transform: scale(1); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: white;
    flex-direction: column;
    padding: 20px;
    border-bottom: 1px solid var(--border);
  }

  .nav-links.active {
    display: flex;
  }

  .mobile-toggle { display: block; }
  .hero h1 { font-size: 2.8rem; }
  .stats-grid { grid-template-columns: 1fr; gap: 20px; }
  .section-header h2 { font-size: 2.2rem; }
  .footer-grid { grid-template-columns: 1fr; gap: 40px; }
}