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

:root {
  --primary: #4F46E5;
  --secondary: #00D4AA;
  --accent: #FF6B6B;
  --bg-main: #FFFFFF;
  --bg-alt: #F8FAFC;
  --card-bg: #FFFFFF;
  --card-border: rgba(0, 0, 0, 0.05);
  --text-primary: #0F172A;
  --text-secondary: #475569;
  --gradient-primary: linear-gradient(135deg, var(--primary), var(--secondary));
}

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

body {
  font-family: 'Inter', sans-serif;
  color: var(--text-primary);
  background-color: var(--bg-main);
  line-height: 1.6;
  overflow-x: hidden;
  scroll-behavior: smooth;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Outfit', sans-serif;
  color: var(--text-primary);
  line-height: 1.2;
}

a {
  text-decoration: none;
  color: inherit;
  transition: all 0.3s ease;
}

ul {
  list-style: none;
}

/* Glassmorphism */
.glass {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(0,0,0,0.05);
}

.glass-card {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  border: 1px solid var(--card-border);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.05);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: 50px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  border: none;
  font-family: 'Inter', sans-serif;
  letter-spacing: 0.5px;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: 0 8px 20px rgba(79, 70, 229, 0.25);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 25px rgba(79, 70, 229, 0.35);
}

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

.btn-secondary:hover {
  background: var(--primary);
  color: white;
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(79, 70, 229, 0.2);
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  padding: 20px 5%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 1000;
  transition: all 0.4s ease;
}

.navbar.scrolled {
  padding: 15px 5%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.logo {
  font-family: 'Outfit', sans-serif;
  font-size: 26px;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-links {
  display: flex;
  gap: 35px;
}

.nav-links a {
  font-weight: 500;
  position: relative;
  font-size: 1.05rem;
  color: var(--text-secondary);
}

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

.nav-links a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -6px;
  left: 0;
  background: var(--gradient-primary);
  transition: width 0.3s ease;
  border-radius: 2px;
}

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

.hamburger {
  display: none;
  cursor: pointer;
  flex-direction: column;
  gap: 6px;
}

.hamburger span {
  width: 28px;
  height: 2px;
  background-color: var(--text-primary);
  border-radius: 2px;
  transition: all 0.3s ease;
}

/* Sections */
.section {
  padding: 100px 5%;
  position: relative;
}

/* Utility classes */
.container {
  max-width: 1200px;
  margin: 0 auto;
}

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

.mb-2 { margin-bottom: 20px; }
.mb-4 { margin-bottom: 40px; }

/* Mobile Responsive */
@media (max-width: 768px) {
  .nav-links {
    position: absolute;
    top: 100%;
    left: -100%;
    width: 100%;
    flex-direction: column;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    padding: 30px 0;
    text-align: center;
    border-bottom: 1px solid var(--card-border);
    transition: left 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
  }
  
  .nav-links.active {
    left: 0;
  }

  .nav-links a {
    font-size: 1.2rem;
    padding: 10px 0;
    display: inline-block;
  }

  .hamburger {
    display: flex;
  }

  .section {
    padding: 70px 5%;
  }

  h1 { font-size: 2.5rem !important; }
  h2 { font-size: 2rem !important; }
}

/* Animations */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.165, 0.84, 0.44, 1), transform 0.8s cubic-bezier(0.165, 0.84, 0.44, 1);
}

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

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

/* Footer */
.main-footer {
    background: var(--bg-alt);
    border-top: 1px solid var(--card-border);
    padding: 80px 5% 30px;
    color: var(--text-secondary);
}

.footer-container {
    max-width: 1300px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 50px;
    margin-bottom: 60px;
}

.footer-col h4 {
    font-size: 1.2rem;
    margin-bottom: 25px;
    color: var(--text-primary);
}

.footer-col p {
    margin-bottom: 20px;
    line-height: 1.6;
}

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

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

.footer-col ul li a {
    color: var(--text-secondary);
    transition: color 0.3s ease;
}

.footer-col ul li a:hover {
    color: var(--primary);
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    color: var(--primary);
    font-weight: 600;
    transition: all 0.3s ease;
}

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

.newsletter-form {
    display: flex;
    gap: 10px;
}

.newsletter-form input {
    flex: 1;
    padding: 12px 20px;
    border: 1px solid var(--card-border);
    border-radius: 12px;
    background: var(--card-bg);
    outline: none;
    transition: border-color 0.3s ease;
}

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

.newsletter-form button {
    padding: 0 20px;
    border: none;
    background: var(--gradient-primary);
    color: white;
    border-radius: 12px;
    cursor: pointer;
    font-weight: bold;
    transition: transform 0.3s ease;
}

.newsletter-form button:hover {
    transform: translateX(3px);
}

.footer-bottom {
    max-width: 1300px;
    margin: 0 auto;
    padding-top: 30px;
    border-top: 1px solid var(--card-border);
    text-align: center;
    font-size: 0.9rem;
}

@media (max-width: 1024px) {
    .footer-container {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .footer-container {
        grid-template-columns: 1fr;
    }
}