/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #f8f9fa;
}

/* Gradient Theme Colors */
:root {
  --matcha-light: #d4e6d4;
  --matcha-medium: #a8d5a2;
  --matcha-dark: #6b9b65;
  --matcha-darker: #4a7a44;
  --white: #ffffff;
  --text-dark: #2c3e50;
  --text-light: #6c757d;
}

/* Header Navigation */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0.95),
    rgba(255, 255, 255, 0.8)
  );
  backdrop-filter: blur(10px);
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.logo {
  font-size: 28px;
  font-weight: 700;
  background: linear-gradient(
    to right,
    var(--matcha-dark),
    var(--matcha-medium)
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-decoration: none;
}

.nav-menu {
  display: flex;
  list-style: none;
}

.nav-menu li {
  margin-left: 30px;
}

.nav-menu a {
  text-decoration: none;
  color: var(--text-dark);
  font-weight: 500;
  font-size: 16px;
  transition: color 0.3s ease;
  position: relative;
}

.nav-menu a::after {
  content: "";
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -5px;
  left: 0;
  background: linear-gradient(
    to right,
    var(--matcha-dark),
    var(--matcha-medium)
  );
  transition: width 0.3s ease;
}

.nav-menu a:hover {
  color: var(--matcha-dark);
}

.nav-menu a:hover::after {
  width: 100%;
}

.hamburger {
  display: none;
  cursor: pointer;
  font-size: 24px;
  color: var(--text-dark);
}

/* Hero/Banner Section */
.banner {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-image: url("https://images.unsplash.com/photo-1476514525535-07fb3b4ae5f1?ixlib=rb-4.0.3&auto=format&fit=crop&w=2070&q=80");
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  overflow: hidden;
}

.banner::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.6);
  z-index: 1;
}

.banner-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
  padding: 0 20px;
}

.banner h1 {
  font-size: 64px;
  font-weight: 800;
  margin-bottom: 20px;
  background: linear-gradient(
    to right,
    var(--matcha-darker),
    var(--matcha-dark)
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}

.banner p {
  font-size: 24px;
  margin-bottom: 30px;
  color: var(--text-dark);
  font-weight: 500;
}

/* Introduction Section */
.intro {
  padding: 100px 20px;
  background: linear-gradient(to bottom, var(--white), var(--matcha-light));
}

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

.section-title {
  text-align: center;
  margin-bottom: 60px;
}

.section-title h2 {
  font-size: 42px;
  font-weight: 700;
  margin-bottom: 15px;
  color: var(--text-dark);
}

.section-title p {
  font-size: 18px;
  color: var(--text-light);
  max-width: 700px;
  margin: 0 auto;
}

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

.intro-text {
  flex: 1;
}

.intro-text h3 {
  font-size: 32px;
  margin-bottom: 20px;
  color: var(--matcha-darker);
}

.intro-text p {
  font-size: 18px;
  line-height: 1.8;
  color: var(--text-dark);
  margin-bottom: 20px;
}

.intro-image {
  flex: 1;
  display: flex;
  justify-content: center;
}

.phone-mockup {
  width: 280px;
  height: 560px;
  background: #000;
  border-radius: 35px;
  padding: 10px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
  position: relative;
  overflow: hidden;
}

.phone-mockup img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 28px;
}

.phone-mockup::before {
  content: "";
  position: absolute;
  top: 15px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 25px;
  background: #000;
  border-radius: 20px;
  z-index: 10;
}

/* Features Section */
.features {
  padding: 100px 20px;
  background: linear-gradient(to bottom, var(--matcha-light), var(--white));
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 40px;
}

.feature-card {
  background: var(--white);
  border-radius: 20px;
  padding: 40px 30px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
  transition:
    transform 0.3s ease,
    box-shadow 0.3s ease;
  text-align: center;
}

.feature-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.feature-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--matcha-medium), var(--matcha-dark));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 25px;
}

.feature-icon i {
  font-size: 36px;
  color: var(--white);
}

.feature-card h3 {
  font-size: 24px;
  margin-bottom: 15px;
  color: var(--text-dark);
}

.feature-card p {
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-light);
}

/* Screenshot Section */
.screenshots {
  padding: 100px 20px;
  background: linear-gradient(to bottom, var(--white), var(--matcha-light));
}

.screenshots-container {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 30px;
}

.screenshot-item {
  width: 280px;
  height: 560px;
  background: #000;
  border-radius: 35px;
  padding: 10px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
  overflow: hidden;
  position: relative;
  transition: transform 0.3s ease;
}

.screenshot-item:hover {
  transform: scale(1.05);
}

.screenshot-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 28px;
}

.screenshot-item::before {
  content: "";
  position: absolute;
  top: 15px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 25px;
  background: #000;
  border-radius: 20px;
  z-index: 10;
}

/* Footer */
footer {
  background: linear-gradient(to top, var(--matcha-dark), var(--matcha-medium));
  color: var(--white);
  padding: 50px 20px 20px;
}

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

.footer-nav {
  display: flex;
  justify-content: center;
  list-style: none;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.footer-nav li {
  margin: 0 15px;
}

.footer-nav a {
  color: var(--white);
  text-decoration: none;
  font-size: 16px;
  transition: opacity 0.3s ease;
}

.footer-nav a:hover {
  opacity: 0.8;
}

.footer-bottom {
  text-align: center;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.footer-bottom p {
  margin-bottom: 10px;
  font-size: 14px;
}

.footer-bottom a {
  color: var(--white);
  text-decoration: none;
  transition: opacity 0.3s ease;
}

.footer-bottom a:hover {
  opacity: 0.8;
}

/* Responsive Design */
@media (max-width: 992px) {
  .banner h1 {
    font-size: 48px;
  }

  .banner p {
    font-size: 20px;
  }

  .intro-content {
    flex-direction: column;
    text-align: center;
  }

  .intro-text {
    order: 2;
  }

  .intro-image {
    order: 1;
  }

  .screenshots-container {
    justify-content: center;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    left: -100%;
    top: 70px;
    flex-direction: column;
    background-color: var(--white);
    width: 100%;
    text-align: center;
    transition: 0.3s;
    box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
    padding: 20px 0;
  }

  .nav-menu.active {
    left: 0;
  }

  .nav-menu li {
    margin: 15px 0;
  }

  .hamburger {
    display: block;
  }

  .banner h1 {
    font-size: 36px;
  }

  .banner p {
    font-size: 18px;
  }

  .section-title h2 {
    font-size: 32px;
  }

  .intro-text h3 {
    font-size: 28px;
  }

  .intro-text p {
    font-size: 16px;
  }

  .phone-mockup,
  .screenshot-item {
    width: 240px;
    height: 480px;
  }
}

@media (max-width: 480px) {
  .banner h1 {
    font-size: 30px;
  }

  .banner p {
    font-size: 16px;
  }

  .section-title h2 {
    font-size: 28px;
  }

  .section-title p {
    font-size: 16px;
  }

  .phone-mockup,
  .screenshot-item {
    width: 200px;
    height: 400px;
  }

  .feature-card {
    padding: 30px 20px;
  }
}