:root {
  --primary-blue: #4361ee;
  --primary-purple: #9d4edd;
  --dark-bg: #0f172a;
  --text-light: #f8f9fa;
  --text-gray: #94a3b8;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

body {
  background: linear-gradient(135deg, var(--dark-bg) 0%, #1e293b 100%);
  color: var(--text-light);
  line-height: 1.6;
  overflow-x: hidden;
}

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

/* Header & Navigation */
header {
  padding: 20px 0;
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
  background: rgba(15, 23, 42, 0.9);
  backdrop-filter: blur(10px);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 28px;
  font-weight: 700;
  background: linear-gradient(
    to right,
    var(--primary-blue),
    var(--primary-purple)
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

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

.nav-links a {
  color: var(--text-light);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s;
}

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

.download-btn {
  background: linear-gradient(
    to right,
    var(--primary-blue),
    var(--primary-purple)
  );
  color: white;
  border: none;
  padding: 10px 20px;
  border-radius: 30px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.3s, box-shadow 0.3s;
}

.download-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(157, 78, 221, 0.4);
}

/* Hero Section */
.hero {
  padding: 150px 0 100px;
  display: flex;
  align-items: center;
  min-height: 100vh;
}

.hero-content {
  flex: 1;
  padding-right: 50px;
}

.hero h1 {
  font-size: 3.5rem;
  margin-bottom: 20px;
  background: linear-gradient(
    to right,
    var(--primary-blue),
    var(--primary-purple)
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.8rem;
  color: var(--text-gray);
  margin-bottom: 30px;
}

.hero p {
  font-size: 1.2rem;
  margin-bottom: 40px;
  color: var(--text-gray);
  max-width: 600px;
}

.hero-buttons {
  display: flex;
  gap: 20px;
}

.app-store-btn,
.google-play-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 25px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-light);
  cursor: pointer;
  transition: transform 0.3s, background 0.3s;
}

.app-store-btn:hover,
.google-play-btn:hover {
  transform: translateY(-3px);
  background: rgba(255, 255, 255, 0.2);
}

.hero-image {
  flex: 1;
  position: relative;
  perspective: 1000px;
}

.phone-mockup {
  width: 300px;
  height: 600px;
  background: #1e293b;
  border-radius: 40px;
  padding: 15px;
  margin: 0 auto;
  position: relative;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
  transform-style: preserve-3d;
  transition: transform 0.5s;
}

.phone-screen {
  width: 100%;
  height: 100%;
  border-radius: 30px;
  overflow: hidden;
  background: linear-gradient(45deg, #3a0ca3, #4361ee, #7209b7, #f72585);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: bold;
  font-size: 20px;
}

.floating-screens {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
}

.floating-img {
  position: absolute;
  width: 150px;
  height: 300px;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  transform-style: preserve-3d;
  transition: transform 0.5s;
}

.floating-img:nth-child(1) {
  top: -30px;
  right: -30px;
  transform: rotate(10deg);
  background: #7209b7;
}

.floating-img:nth-child(2) {
  bottom: -40px;
  right: 50px;
  transform: rotate(-5deg);
  background: #4361ee;
}

.floating-img:nth-child(3) {
  bottom: 80px;
  left: -40px;
  transform: rotate(5deg);
  background: #f72585;
}

/* Features Section */
.features {
  padding: 100px 0;
  text-align: center;
}

.section-title {
  font-size: 2.5rem;
  margin-bottom: 20px;
  background: linear-gradient(
    to right,
    var(--primary-blue),
    var(--primary-purple)
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-subtitle {
  font-size: 1.2rem;
  color: var(--text-gray);
  max-width: 700px;
  margin: 0 auto 60px;
}

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

.feature-card {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  border-radius: 20px;
  padding: 30px;
  transition: transform 0.3s;
}

.feature-card:hover {
  transform: translateY(-10px);
}

.feature-icon {
  font-size: 40px;
  margin-bottom: 20px;
  background: linear-gradient(
    to right,
    var(--primary-blue),
    var(--primary-purple)
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.feature-title {
  font-size: 1.5rem;
  margin-bottom: 15px;
}

.feature-desc {
  color: var(--text-gray);
}

/* Screenshots Section */
.screenshots {
  padding: 100px 0;
  text-align: center;
}

.screenshot-container {
  display: flex;
  justify-content: center;
  gap: 30px;
  margin-top: 50px;
  flex-wrap: wrap;
}

.screenshot {
  width: 250px;
  height: 500px;
  border-radius: 40px;
  overflow: hidden;
  background: linear-gradient(45deg, #3a0ca3, #4361ee);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  transform: perspective(1000px) rotateY(20deg);
  transition: transform 0.5s;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: bold;
}

.screenshot:nth-child(2) {
  background: linear-gradient(45deg, #7209b7, #f72585);
  transform: perspective(1000px) rotateY(-20deg);
}

.screenshot:nth-child(3) {
  background: linear-gradient(45deg, #4361ee, #4cc9f0);
  transform: perspective(1000px) rotateY(10deg);
}

.screenshot:hover {
  transform: perspective(1000px) rotateY(0);
}

/* Footer */
footer {
  padding: 50px 0;
  text-align: center;
  background: rgba(0, 0, 0, 0.2);
}

.footer-content {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.footer-email {
  font-size: 1.2rem;
  color: var(--primary-purple);
}

.copyright {
  color: var(--text-gray);
}

/* Responsive Design */
@media (max-width: 992px) {
  .hero {
    flex-direction: column;
    text-align: center;
    padding: 120px 0 50px;
  }

  .hero-content {
    padding-right: 0;
    margin-bottom: 50px;
  }

  .hero p {
    margin: 0 auto 40px;
  }

  .hero-buttons {
    justify-content: center;
  }

  .nav-links {
    display: none;
  }
}

@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.5rem;
  }

  .hero-subtitle {
    font-size: 1.5rem;
  }

  .phone-mockup {
    width: 250px;
    height: 500px;
  }

  .floating-img {
    width: 120px;
    height: 240px;
  }
}

@media (max-width: 576px) {
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .screenshot {
    width: 200px;
    height: 400px;
  }
}