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

body {
  font-family:
    "Inter",
    system-ui,
    -apple-system,
    "Segoe UI",
    Roboto,
    Helvetica,
    sans-serif;
  line-height: 1.5;
  color: #f0f3fc;
  background-color: #0a0c14;
  scroll-behavior: smooth;
}

/* background image with dark overlay + gradient blend */
.bg-layer {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
  background-image: url("https://images.pexels.com/photos/3998016/pexels-photo-3998016.jpeg?auto=compress&cs=tinysrgb&w=1600");
  background-size: cover;
  background-position: center 30%;
  background-repeat: no-repeat;
}

/* black-to-lavender gradient overlay (semi-transparent) */
.overlay-gradient {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  background: linear-gradient(
    145deg,
    rgba(0, 0, 0, 0.75) 0%,
    rgba(30, 20, 55, 0.65) 50%,
    rgba(80, 70, 130, 0.6) 100%
  );
}

/* container */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
  position: relative;
  z-index: 2;
}

/* ===== header & navigation ===== */
header {
  padding: 24px 0 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(2px);
}

.nav-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.logo h1 {
  font-size: 1.9rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, #ffffff 0%, #c0b9ff 80%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.nav-links {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
  list-style: none;
}

.nav-links a {
  color: #f0edff;
  text-decoration: none;
  font-weight: 500;
  font-size: 1.05rem;
  transition: all 0.2s ease;
  border-bottom: 1px solid transparent;
  padding-bottom: 4px;
}

.nav-links a:hover {
  border-bottom-color: #b2aaff;
  color: #ffffff;
}

/* ===== Banner Section ===== */
.banner {
  padding: 100px 0 80px;
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}

.banner h2 {
  font-size: 3.3rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  background: linear-gradient(to right, #ffffff, #ddd6fe);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 20px;
}

.banner .tagline {
  font-size: 1.5rem;
  font-weight: 500;
  color: #dedeff;
  margin-bottom: 28px;
}

.banner p {
  font-size: 1.2rem;
  max-width: 700px;
  margin: 0 auto;
  color: #e9e9ff;
  backdrop-filter: blur(4px);
  background: rgba(0, 0, 0, 0.3);
  padding: 12px 24px;
  border-radius: 60px;
  display: inline-block;
}

/* intro & features split layout */
.intro-features {
  padding: 70px 0 50px;
}

.split-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 48px;
  align-items: center;
  justify-content: space-between;
}

.intro-text {
  flex: 1.2;
  min-width: 260px;
}

.intro-text h3 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 20px;
  background: linear-gradient(120deg, #ffffff, #cbc3ff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.intro-text p {
  font-size: 1.1rem;
  color: #eaeaff;
  margin-bottom: 32px;
  line-height: 1.5;
}

.feature-cards {
  flex: 1.5;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 28px;
}

.card {
  background: rgba(20, 18, 40, 0.55);
  backdrop-filter: blur(8px);
  border-radius: 32px;
  padding: 28px 20px;
  transition:
    transform 0.25s ease,
    background 0.2s;
  border: 1px solid rgba(180, 160, 255, 0.25);
}

.card:hover {
  transform: translateY(-6px);
  background: rgba(35, 30, 65, 0.7);
  border-color: rgba(200, 180, 255, 0.5);
}

.card .emoji {
  font-size: 2.2rem;
  margin-bottom: 12px;
}

.card h4 {
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: #f0ecff;
}

.card p {
  font-size: 0.95rem;
  color: #cfcaff;
}

/* screenshot section */
.screenshot-section {
  padding: 70px 0 80px;
}

.section-title {
  text-align: center;
  font-size: 2.3rem;
  font-weight: 700;
  margin-bottom: 48px;
  letter-spacing: -0.3px;
  background: linear-gradient(135deg, #fff, #cbc0ff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.screenshot-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 32px;
}

.screen-card {
  background: rgba(12, 10, 28, 0.55);
  backdrop-filter: blur(8px);
  border-radius: 40px;
  padding: 20px 20px 25px;
  text-align: center;
  transition: all 0.2s;
  width: 240px;
  border: 1px solid rgba(150, 130, 220, 0.4);
}

.screen-card img {
  width: 100%;
  max-width: 200px;
  height: auto;
  border-radius: 32px;
  box-shadow: 0 20px 30px -10px rgba(0, 0, 0, 0.5);
  display: block;
  margin: 0 auto;
  border: 2px solid rgba(255, 255, 255, 0.2);
}

.screen-card p {
  margin-top: 16px;
  font-weight: 500;
  color: #ddd8ff;
}

/* footer */
footer {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding: 40px 0 32px;
  margin-top: 40px;
  backdrop-filter: blur(2px);
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  text-align: center;
}

.footer-nav {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
  justify-content: center;
}

.footer-nav a {
  color: #cac5ff;
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.2s;
}

.footer-nav a:hover {
  color: white;
}

.contact-info {
  font-size: 0.95rem;
  letter-spacing: 0.3px;
}

.contact-info a {
  color: #d9d2ff;
  text-decoration: none;
  border-bottom: 1px dotted rgba(255, 255, 255, 0.5);
}

.copyright {
  font-size: 0.8rem;
  opacity: 0.7;
}

/* additional responsive */
@media (max-width: 880px) {
  .container {
    padding: 0 24px;
  }
  .banner h2 {
    font-size: 2.4rem;
  }
  .tagline {
    font-size: 1.2rem;
  }
  .split-grid {
    flex-direction: column;
  }
  .feature-cards {
    width: 100%;
  }
}

@media (max-width: 550px) {
  .nav-bar {
    flex-direction: column;
    align-items: center;
  }
  .nav-links {
    gap: 1.2rem;
    justify-content: center;
  }
  .banner {
    padding: 60px 0 40px;
  }
  .section-title {
    font-size: 1.9rem;
  }
  .screen-card {
    width: 200px;
  }
  .screen-card img {
    max-width: 160px;
  }
}

/* smooth anchor offset for fixed header */
html {
  scroll-padding-top: 90px;
}