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

:root {
  --primary-gradient: linear-gradient(135deg, #ff6b9d, #8ac6ff);
  --pink-color: #ff6b9d;
  --blue-color: #8ac6ff;
  --light-bg: rgba(255, 255, 255, 0.9);
  --dark-text: #333;
  --light-text: #fff;
}

body {
  color: var(--dark-text);
  line-height: 1.6;
  overflow-x: hidden;
  background-color: #f5f7fa;
}

.background-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}

.background-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url("https://images.unsplash.com/photo-1488646953014-85cb44e25828?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=1935&q=80");
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}

.overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    rgba(255, 255, 255, 0.75),
    rgba(255, 255, 255, 0.85)
  );
}

/* Header & Navigation */
header {
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 0 5%;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
  max-width: 1400px;
  margin: 0 auto;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 28px;
  font-weight: 700;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.logo i {
  font-size: 32px;
  color: var(--pink-color);
}

nav ul {
  display: flex;
  list-style: none;
  gap: 40px;
}

nav a {
  text-decoration: none;
  color: var(--dark-text);
  font-weight: 600;
  font-size: 18px;
  transition: all 0.3s ease;
  padding: 8px 0;
  position: relative;
}

nav a:hover {
  color: var(--pink-color);
}

nav a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 3px;
  background: var(--primary-gradient);
  transition: width 0.3s ease;
  border-radius: 2px;
}

nav a:hover::after {
  width: 100%;
}

/* Main Content */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 40px 5%;
}

.hero-section {
  text-align: center;
  padding: 80px 20px;
  margin-bottom: 60px;
}

.hero-title {
  font-size: 3.5rem;
  margin-bottom: 20px;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1.2;
}

.hero-subtitle {
  font-size: 1.8rem;
  color: #555;
  margin-bottom: 30px;
  font-weight: 500;
}

/* Content Sections */
.section-title {
  font-size: 2.5rem;
  text-align: center;
  margin-bottom: 50px;
  color: #444;
  position: relative;
}

.section-title::after {
  content: "";
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 4px;
  background: var(--primary-gradient);
  border-radius: 2px;
}

.content-section {
  display: flex;
  align-items: center;
  gap: 60px;
  margin-bottom: 100px;
}

.content-section:nth-child(even) {
  flex-direction: row-reverse;
}

.text-content {
  flex: 1;
}

.text-content h3 {
  font-size: 1.8rem;
  margin-bottom: 20px;
  color: #444;
}

.text-content p {
  font-size: 1.1rem;
  margin-bottom: 20px;
  color: #555;
}

.highlight {
  background: var(--primary-gradient);
  padding: 5px 10px;
  border-radius: 5px;
  color: white;
  font-weight: 600;
}

/* App Screenshots */
.screenshot-container {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 20px;
}

.screenshot {
  width: 100%;
  max-width: 180px;
  aspect-ratio: 4/9;
  background: linear-gradient(145deg, #ff6b9d, #8ac6ff);
  border-radius: 24px;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
  position: relative;
  overflow: hidden;
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.screenshot:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.screenshot::before {
  content: "";
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  width: 50%;
  height: 20px;
  background: #333;
  border-radius: 10px;
  z-index: 1;
}

.screenshot::after {
  content: "";
  position: absolute;
  bottom: 10px;
  left: 50%;
  transform: translateX(-50%);
  width: 40%;
  height: 5px;
  background: #333;
  border-radius: 3px;
}

.screenshot-inner {
  position: absolute;
  top: 40px;
  left: 10px;
  right: 10px;
  bottom: 30px;
  background: #f8f9fa;
  border-radius: 16px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.screenshot-header {
  height: 30px;
  background: var(--primary-gradient);
  display: flex;
  align-items: center;
  padding: 0 15px;
  color: white;
  font-weight: 600;
  font-size: 0.9rem;
}

.screenshot-content {
  flex: 1;
  padding: 15px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.screenshot-line {
  height: 8px;
  background: #e9ecef;
  border-radius: 4px;
}

.screenshot-line.wide {
  width: 80%;
}

.screenshot-line.medium {
  width: 60%;
}

.screenshot-line.narrow {
  width: 40%;
}

.screenshot-circle {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--primary-gradient);
  align-self: center;
  margin-top: 10px;
}

/* Features Section */
.features-section {
  margin-bottom: 100px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
  gap: 40px;
  margin-top: 50px;
}

.feature-card {
  background: var(--light-bg);
  border-radius: 16px;
  padding: 30px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s ease;
  text-align: center;
}

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

.feature-icon {
  width: 70px;
  height: 70px;
  background: var(--primary-gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 25px;
  font-size: 30px;
  color: white;
}

.feature-card h3 {
  font-size: 1.5rem;
  margin-bottom: 15px;
  color: #444;
}

/* CTA Section */
.cta-section {
  text-align: center;
  padding: 80px 20px;
  margin-bottom: 80px;
  background: rgba(255, 255, 255, 0.9);
  border-radius: 20px;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.cta-title {
  font-size: 2.8rem;
  margin-bottom: 20px;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.cta-text {
  font-size: 1.2rem;
  max-width: 800px;
  margin: 0 auto 40px;
  color: #555;
}

/* Footer */
footer {
  background: rgba(255, 255, 255, 0.95);
  padding: 60px 5% 30px;
  border-top: 1px solid rgba(0, 0, 0, 0.05);
}

.footer-content {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 40px;
}

.contact-info {
  text-align: center;
  font-size: 1.2rem;
}

.contact-email {
  color: var(--pink-color);
  font-weight: 600;
  text-decoration: none;
  font-size: 1.3rem;
  margin-bottom: 10px;
  display: block;
}

.copyright {
  color: #777;
  font-size: 1rem;
  text-align: center;
  padding-top: 30px;
  border-top: 1px solid rgba(0, 0, 0, 0.1);
  width: 100%;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .content-section,
  .content-section:nth-child(even) {
    flex-direction: column;
    text-align: center;
  }

  .screenshot-container {
    margin-top: 40px;
  }

  .hero-title {
    font-size: 2.8rem;
  }
}

@media (max-width: 768px) {
  nav ul {
    gap: 20px;
  }

  .hero-title {
    font-size: 2.2rem;
  }

  .hero-subtitle {
    font-size: 1.4rem;
  }

  .section-title {
    font-size: 2rem;
  }

  .screenshot-container {
    flex-wrap: wrap;
  }

  .screenshot {
    max-width: 150px;
  }
}

@media (max-width: 576px) {
  .nav-container {
    flex-direction: column;
    gap: 20px;
  }

  nav ul {
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
  }

  .hero-title {
    font-size: 1.8rem;
  }

  .screenshot {
    max-width: 120px;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }
}