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

:root {
  --primary-color: #0d3b4a;
  --secondary-color: #1a6d7a;
  --accent-color: #2a9d8f;
  --light-color: #e9f5f2;
  --dark-color: #0a2e3a;
  --gradient: linear-gradient(
    135deg,
    var(--primary-color),
    var(--secondary-color),
    var(--accent-color)
  );
}

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

/* Background with overlay */
.background-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
  background-image: url("https://images.unsplash.com/photo-1550745165-9bc0b252726f?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80");
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}

.overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(10, 46, 58, 0.85);
  z-index: -1;
}

/* Header & Navigation */
header {
  position: fixed;
  top: 0;
  width: 100%;
  padding: 1.2rem 5%;
  background: rgba(13, 59, 74, 0.9);
  backdrop-filter: blur(10px);
  z-index: 1000;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid rgba(42, 157, 143, 0.3);
}

.logo {
  font-size: 2.2rem;
  font-weight: 700;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  display: flex;
  align-items: center;
}

.logo i {
  margin-right: 10px;
  font-size: 2.5rem;
}

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

nav ul li {
  margin-left: 2rem;
}

nav ul li a {
  color: var(--light-color);
  text-decoration: none;
  font-size: 1.1rem;
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  transition: all 0.3s ease;
}

nav ul li a:hover {
  background: rgba(42, 157, 143, 0.2);
  color: #a8e6cf;
}

/* Main Content */
main {
  margin-top: 80px;
}

section {
  padding: 0rem 5%;
  min-height: 50vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hero {
  text-align: center;
  padding-top: 3rem;
}

.hero h1 {
  font-size: 4rem;
  margin-bottom: 1rem;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.hero .tagline {
  font-size: 2rem;
  color: #a8e6cf;
  margin-bottom: 2rem;
  font-weight: 300;
}

.description-box {
  background: rgba(13, 59, 74, 0.7);
  border-radius: 15px;
  padding: 2.5rem;
  margin: 2rem auto;
  max-width: 900px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(42, 157, 143, 0.2);
}

.description-box p {
  font-size: 1.2rem;
  margin-bottom: 1.5rem;
  line-height: 1.8;
}

.description-box p:last-child {
  margin-bottom: 0;
}

/* Screenshots Section */
.screenshots-section {
  padding-top: 3rem;
}

.section-title {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 3rem;
  color: #a8e6cf;
  position: relative;
}

.section-title::after {
  content: "";
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 3px;
  background: var(--gradient);
  border-radius: 2px;
}

.screenshot-container {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 2rem;
  margin-top: 2rem;
}

.screenshot {
  width: 200px;
  height: 450px;
  border-radius: 25px;
  background: rgba(13, 59, 74, 0.8);
  position: relative;
  overflow: hidden;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(42, 157, 143, 0.3);
}

.screenshot::before {
  content: "";
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  width: 40%;
  height: 20px;
  background: rgba(26, 109, 122, 0.7);
  border-radius: 0 0 10px 10px;
}

.screenshot::after {
  content: "Janna App";
  position: absolute;
  bottom: 20px;
  left: 0;
  width: 100%;
  text-align: center;
  color: #a8e6cf;
  font-weight: 500;
}

.screenshot-content {
  width: 100%;
  height: 100%;
  padding: 40px 15px 60px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.screen-item {
  width: 100%;
  height: 70px;
  background: rgba(42, 157, 143, 0.2);
  margin-bottom: 15px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  padding: 0 15px;
}

.screen-item i {
  margin-right: 10px;
  color: #a8e6cf;
  font-size: 1.2rem;
}

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

.feature-card {
  background: rgba(13, 59, 74, 0.7);
  border-radius: 15px;
  padding: 2rem;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
  border: 1px solid rgba(42, 157, 143, 0.2);
  transition: transform 0.3s ease;
}

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

.feature-card i {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
  color: #a8e6cf;
}

.feature-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: #a8e6cf;
}

/* Footer */
footer {
  background: rgba(10, 46, 58, 0.95);
  padding: 3rem 5%;
  text-align: center;
  border-top: 1px solid rgba(42, 157, 143, 0.3);
}

.contact-info {
  margin-bottom: 2rem;
}

.contact-info a {
  color: #a8e6cf;
  text-decoration: none;
  font-size: 1.2rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}

.contact-info a i {
  margin-right: 10px;
}

.contact-info a:hover {
  text-decoration: underline;
}

.copyright {
  color: #8ab4b8;
  font-size: 0.9rem;
  line-height: 1.5;
}

/* Responsive Design */
@media (max-width: 992px) {
  .hero h1 {
    font-size: 3rem;
  }

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

  nav ul {
    display: none;
  }

  .mobile-menu-btn {
    display: block;
    font-size: 1.8rem;
    color: var(--light-color);
    cursor: pointer;
  }
}

@media (max-width: 768px) {
  .screenshot {
    width: 160px;
    height: 360px;
  }

  .hero h1 {
    font-size: 2.5rem;
  }

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

  .description-box {
    padding: 1.5rem;
  }

  .description-box p {
    font-size: 1.1rem;
  }
}

@media (max-width: 576px) {
  section {
    padding: 3rem 5%;
  }

  .hero {
    padding-top: 1rem;
  }

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

  .screenshot-container {
    gap: 1rem;
  }
}

/* Animation */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeInUp 0.8s ease forwards;
}