/* --- CSS Reset & Variables --- */
:root {
  --bg-dark: #07070b;
  --bg-surface: rgba(255, 255, 255, 0.03);
  --bg-surface-hover: rgba(255, 255, 255, 0.08);
  
  --primary-color: #7b2cbf;
  --primary-glow: rgba(123, 44, 191, 0.6);
  --secondary-color: #48bfe3;
  --secondary-glow: rgba(72, 191, 227, 0.6);
  
  --text-main: #f8f9fa;
  --text-muted: #adb5bd;
  
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  --glass-border: 1px solid rgba(255, 255, 255, 0.1);
  --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  --glass-blur: blur(10px);
}

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

html {
  scroll-behavior: smooth;
}

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

/* --- Typography --- */
h1, h2, h3, h4, .logo {
  font-family: var(--font-heading);
}

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
}

.highlight {
  color: var(--secondary-color);
  text-shadow: 0 0 10px var(--secondary-glow);
}

.section-title {
  font-size: 2.5rem;
  text-align: center;
  margin-bottom: 0.5rem;
}

.section-subtitle {
  text-align: center;
  color: var(--text-muted);
  margin-bottom: 3rem;
  font-size: 1.1rem;
}

/* --- Buttons --- */
.btn {
  display: inline-block;
  padding: 0.8rem 1.5rem;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  text-align: center;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: #fff;
  border: none;
  box-shadow: 0 4px 15px rgba(123, 44, 191, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(72, 191, 227, 0.6);
}

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

.btn-outline:hover {
  background: rgba(72, 191, 227, 0.1);
  transform: translateY(-2px);
}

.btn-large {
  padding: 1rem 2rem;
  font-size: 1.1rem;
}

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

/* --- Navbar --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(7, 7, 11, 0.7);
  backdrop-filter: var(--glass-blur);
  z-index: 1000;
  border-bottom: var(--glass-border);
  transition: all 0.3s ease;
  padding: 1rem 0;
}

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

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-icon {
  font-size: 1.8rem;
  animation: float 3s ease-in-out infinite;
}

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-links a {
  font-weight: 500;
  color: var(--text-muted);
  transition: color 0.3s ease;
}

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

/* --- Hero Section --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 80px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}

.glow-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.5;
  animation: floatOrb 10s infinite alternate linear;
}

.orb-1 {
  width: 300px;
  height: 300px;
  background: var(--primary-color);
  top: 20%;
  left: 20%;
}

.orb-2 {
  width: 400px;
  height: 400px;
  background: var(--secondary-color);
  bottom: 10%;
  right: 15%;
}

.orb-3 {
  width: 250px;
  height: 250px;
  background: #3a0ca3;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.hero-content {
  text-align: center;
  max-width: 800px;
  z-index: 1;
}

.hero-title {
  font-size: 4rem;
  margin-bottom: 1rem;
  line-height: 1.1;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 1rem;
}

/* --- Pricing Section --- */
.pricing-section {
  padding: 5rem 0;
  position: relative;
}

.tabs-container {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.tab-btn {
  background: var(--bg-surface);
  border: var(--glass-border);
  color: var(--text-muted);
  padding: 0.8rem 2rem;
  border-radius: 30px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.3s ease;
}

.tab-btn:hover {
  background: var(--bg-surface-hover);
  color: var(--text-main);
}

.tab-btn.active {
  background: var(--primary-color);
  color: #fff;
  border-color: var(--primary-color);
  box-shadow: 0 0 15px var(--primary-glow);
}

.tab-content {
  display: none;
  animation: fadeIn 0.5s ease;
}

.tab-content.active {
  display: block;
}

.pricing-grid {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
  justify-content: center;
}

.pricing-grid.three-cols > .pricing-card {
  flex: 1 1 calc(33.333% - 2rem);
  max-width: 350px;
}

.pricing-grid.stretch-grid > .pricing-card {
  flex: 1 1 calc(33.333% - 2rem);
  min-width: 280px;
}

.pricing-card {
  background: rgba(255, 255, 255, 0.02);
  border: var(--glass-border);
  border-radius: 16px;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  position: relative;
  backdrop-filter: var(--glass-blur);
  transition: transform 0.3s ease, border-color 0.3s ease;
  overflow: hidden;
}

.pricing-card:hover {
  transform: translateY(-10px);
  border-color: rgba(72, 191, 227, 0.5);
  background: rgba(255, 255, 255, 0.05);
}

.pricing-card.popular {
  border-color: var(--primary-color);
  box-shadow: 0 0 20px rgba(123, 44, 191, 0.2);
}

.popular-badge {
  position: absolute;
  top: 1rem;
  right: -2rem;
  background: var(--primary-color);
  color: #fff;
  padding: 0.3rem 2.5rem;
  transform: rotate(45deg);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
}

.card-header {
  text-align: center;
  margin-bottom: 2rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding-bottom: 1.5rem;
}

.card-header h3 {
  font-size: 1.5rem;
  color: var(--secondary-color);
  margin-bottom: 0.5rem;
}

.price {
  font-size: 2.5rem;
  font-family: var(--font-heading);
  font-weight: 800;
}

.price span {
  font-size: 1rem;
  font-weight: 400;
  color: var(--text-muted);
}

.features-list {
  margin-bottom: 2rem;
  flex-grow: 1;
}

.features-list li {
  margin-bottom: 0.8rem;
  font-size: 0.95rem;
  color: #ddd;
}

/* --- Features Section --- */
.features-section {
  padding: 5rem 0;
  background: linear-gradient(to bottom, transparent, rgba(123, 44, 191, 0.05));
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.feature-card {
  background: rgba(255, 255, 255, 0.02);
  border: var(--glass-border);
  border-radius: 12px;
  padding: 2rem;
  text-align: center;
  transition: all 0.3s ease;
}

.feature-card:hover {
  background: rgba(255, 255, 255, 0.05);
  transform: translateY(-5px);
}

.feature-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.feature-card h3 {
  margin-bottom: 1rem;
  font-size: 1.3rem;
}

.feature-card p {
  color: var(--text-muted);
}

/* --- Footer --- */
.footer {
  background: #040406;
  padding-top: 4rem;
  border-top: var(--glass-border);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 2rem;
  margin-bottom: 3rem;
}

.footer-brand {
  flex: 1 1 300px;
}

.footer-brand p {
  color: var(--text-muted);
  margin-top: 1rem;
  max-width: 300px;
}

.footer-links, .footer-social {
  flex: 1 1 150px;
}

.footer h4 {
  font-size: 1.2rem;
  margin-bottom: 1.5rem;
  color: var(--text-main);
}

.footer ul li {
  margin-bottom: 0.8rem;
}

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

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

.footer-bottom {
  text-align: center;
  padding: 1.5rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* --- Animations --- */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

@keyframes floatOrb {
  0% { transform: translate(0, 0); }
  50% { transform: translate(30px, -30px); }
  100% { transform: translate(-30px, 30px); }
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease-out;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* --- Responsive Layout --- */
@media (max-width: 768px) {
  .hero-title {
    font-size: 2.5rem;
  }
  
  .nav-links {
    display: none;
  }
  
  .pricing-grid.three-cols > .pricing-card {
    flex: 1 1 100%;
  }
  
  .hero-actions {
    flex-direction: column;
  }
}