:root {
  --bg-color: #000000;
  --bg-secondary: #0A0A0A;
  --text-primary: #FFFFFF;
  --text-secondary: #A1A1AA;
  --accent-green: #4ADE80;
  --accent-purple: #A855F7;
  --card-bg: #18181B;
  --border-color: rgba(255, 255, 255, 0.1);
}

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

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

a {
  color: var(--accent-green);
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: var(--text-primary);
}

/* Typography */
h1, h2, h3, h4 {
  font-weight: 700;
  margin-bottom: 1rem;
}

h1 {
  font-size: 3.5rem;
  line-height: 1.2;
}

h2 {
  font-size: 2.5rem;
}

p {
  color: var(--text-secondary);
  font-size: 1.125rem;
  margin-bottom: 1.5rem;
}

/* Layout */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

section {
  padding: 100px 0;
}

/* Navbar */
nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
}

.logo img {
  width: 40px;
  height: 40px;
  filter: drop-shadow(0 0 10px rgba(74, 222, 128, 0.3));
}

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

.nav-links a {
  color: var(--text-secondary);
  font-weight: 500;
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: var(--text-primary);
  color: var(--bg-color);
  padding: 16px 32px;
  border-radius: 100px;
  font-size: 1.125rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.3s ease;
  border: none;
}

.btn:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 10px 25px rgba(255, 255, 255, 0.2);
}

.btn-primary {
  background: var(--accent-green);
  color: var(--bg-color);
}

.btn-primary:hover {
  box-shadow: 0 10px 25px rgba(74, 222, 128, 0.4);
}

.btn svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
}

/* Hero Section */
.hero {
  min-height: calc(100vh - 100px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(168, 85, 247, 0.15) 0%, rgba(0, 0, 0, 0) 70%);
  z-index: -1;
  pointer-events: none;
}

.hero-logo {
  width: 120px;
  margin-bottom: 32px;
  animation: float 6s ease-in-out infinite;
  filter: drop-shadow(0 0 30px rgba(74, 222, 128, 0.4));
}

.hero h1 {
  background: linear-gradient(to right, #FFF, var(--text-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 24px;
}

.hero p {
  font-size: 1.25rem;
  max-width: 600px;
  margin: 0 auto 40px auto;
}

.app-store-btn {
  display: inline-block;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.app-store-btn:hover {
  transform: translateY(-2px) scale(1.02);
}

.app-store-btn img {
  height: 50px;
  width: auto;
}

/* Problem Statement */
.problem-statement {
  background: linear-gradient(to bottom, var(--bg-color), var(--bg-secondary));
  text-align: center;
}

.problem-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  padding: 60px 40px;
  border-radius: 24px;
  max-width: 800px;
  margin: 0 auto;
}

.problem-card h3 {
  font-size: 1.75rem;
  margin-bottom: 20px;
}

.highlight-text {
  color: var(--accent-green);
  margin-top: 40px;
}

.problem-list {
  text-align: left;
  margin-top: 20px;
  padding-left: 20px;
  color: var(--text-secondary);
}

.problem-list li {
  margin-bottom: 15px;
}

.problem-list strong {
  color: var(--text-primary);
}

/* Testimonials */
.testimonials {
  text-align: center;
  background: var(--bg-secondary);
  overflow: hidden;
}

.testimonials-container {
  overflow: hidden;
  white-space: nowrap;
  padding: 40px 0;
  position: relative;
  width: 100vw;
  margin-left: calc(-50vw + 50%);
}

.testimonials-container::before,
.testimonials-container::after {
  content: '';
  position: absolute;
  top: 0;
  width: 150px;
  height: 100%;
  z-index: 2;
  pointer-events: none;
}

.testimonials-container::before {
  left: 0;
  background: linear-gradient(to right, var(--bg-secondary), transparent);
}

.testimonials-container::after {
  right: 0;
  background: linear-gradient(to left, var(--bg-secondary), transparent);
}

.testimonial-grid {
  display: inline-flex;
  gap: 32px;
  animation: scroll 40s linear infinite;
  padding: 0 16px;
}

.testimonial-grid:hover {
  animation-play-state: paused;
}

.testimonial-card {
  background: var(--card-bg);
  padding: 30px;
  border-radius: 25px;
  border: 1px solid var(--border-color);
  text-align: left;
  position: relative;
  width: 300px;
  white-space: normal;
  flex: 0 0 auto;
}

.stars {
  font-size: 1rem;
  margin-bottom: 12px;
  letter-spacing: 2px;
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: 20px;
  right: 30px;
  font-size: 4rem;
  color: rgba(168, 85, 247, 0.2);
  font-family: serif;
}

.quote {
  font-size: 1.125rem;
  font-style: italic;
  margin-bottom: 20px;
  position: relative;
  z-index: 1;
}

.author {
  color: var(--accent-green);
  font-weight: 600;
  margin-bottom: 0;
}

/* Pricing */
.pricing {
  text-align: center;
}

.pricing-cards {
  display: flex;
  justify-content: center;
  margin-top: 40px;
}

.pricing-card {
  background: var(--card-bg);
  border: 1px solid var(--accent-green);
  padding: 50px 40px;
  border-radius: 24px;
  max-width: 400px;
  width: 100%;
  position: relative;
  box-shadow: 0 10px 40px rgba(74, 222, 128, 0.1);
}

.pricing-card h3 {
  font-size: 2rem;
  margin-bottom: 10px;
}

.price {
  margin-bottom: 15px;
}

.currency {
  font-size: 1.5rem;
  vertical-align: super;
}

.amount {
  font-size: 4rem;
  font-weight: 700;
  color: var(--text-primary);
}

.period {
  color: var(--text-secondary);
  font-size: 1.125rem;
}

.trial-badge {
  display: inline-block;
  background: rgba(168, 85, 247, 0.2);
  color: var(--accent-purple);
  padding: 6px 16px;
  border-radius: 100px;
  font-weight: 600;
  font-size: 0.875rem;
  margin-bottom: 30px;
}

.pricing-features {
  list-style: none;
  text-align: left;
  margin-bottom: 40px;
  padding: 0;
}

.pricing-features li {
  padding-left: 30px;
  position: relative;
  margin-bottom: 15px;
  color: var(--text-secondary);
}

.pricing-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent-green);
  font-weight: bold;
}

.pricing-card .btn {
  width: 100%;
  justify-content: center;
}

/* Features Grid */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
  margin-top: 64px;
}

.feature-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  padding: 40px;
  border-radius: 24px;
  text-align: left;
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent-green);
}

.feature-icon {
  font-size: 2.5rem;
  margin-bottom: 24px;
  display: inline-block;
}

/* Document Pages (Privacy, Terms) */
.doc-header {
  text-align: center;
  padding: 80px 0 40px;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 40px;
}

.doc-content {
  max-width: 800px;
  margin: 0 auto;
}

.doc-content h2 {
  font-size: 1.5rem;
  margin-top: 40px;
  color: var(--text-primary);
}

.doc-content p, .doc-content ul {
  margin-bottom: 1.5rem;
  color: var(--text-secondary);
}

.doc-content ul {
  padding-left: 24px;
}

.doc-content li {
  margin-bottom: 0.5rem;
}

/* Footer */
footer {
  border-top: 1px solid var(--border-color);
  padding: 40px 0;
  margin-top: 80px;
  text-align: center;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-bottom: 24px;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

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

.copyright {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

/* Animations */
@keyframes float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-20px); }
  100% { transform: translateY(0px); }
}

@keyframes scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(calc(-50% - 16px)); }
}

/* Responsive */
@media (max-width: 768px) {
  h1 { font-size: 2.5rem; }
  .hero { min-height: 80vh; padding-top: 60px; }
  .nav-links { display: none; }
}