* {
  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: #1a1e2b;
  scroll-behavior: smooth;
}

/* background image with semi-transparent overlay (pink to sky blue) */
.bg-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url("https://images.unsplash.com/photo-1551632811-561732d1e306?q=80&w=2070&auto=format&fit=crop")
    center/cover no-repeat fixed;
  z-index: -2;
}

.bg-overlay::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg,
    rgba(209, 152, 184, 0.849),
    rgba(62, 136, 179, 0.4)
  );
  backdrop-filter: blur(2px);
  z-index: -1;
}

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

/* ========== HEADER ========== */
header {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.3);
}

.logo h1 {
  font-size: 1.8rem;
  font-weight: 700;
  background: linear-gradient(135deg, #e280b1, #7bc8f5);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  letter-spacing: -0.5px;
}

.logo p {
  font-size: 0.75rem;
  font-weight: 500;
  color: rgba(20, 20, 35, 0.8);
  letter-spacing: 0.3px;
}

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

.nav-links a {
  text-decoration: none;
  font-weight: 600;
  color: #1f2a3e;
  transition: 0.2s;
  font-size: 1rem;
  padding: 0.5rem 0;
  border-bottom: 2px solid transparent;
}

.nav-links a:hover {
  border-bottom-color: #d96ba6;
  color: #b34180;
}

/* ========== SECTIONS ========== */
section {
  padding: 5rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 2.5rem;
  background: linear-gradient(120deg, #b24e8e, #4d9ece);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  display: inline-block;
}

/* Banner specific */
.banner {
  min-height: 85vh;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 2rem;
}

.banner-content {
  flex: 1.2;
}

.banner-content h2 {
  font-size: 3.3rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1rem;
  color: #1a192b;
}

.highlight {
  background: linear-gradient(145deg, #e889b9, #6bb9e8);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.banner-content p {
  font-size: 1.2rem;
  margin: 1.5rem 0 2rem;
  color: #2c2a3a;
  max-width: 550px;
}

.banner-feature-badge {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 1rem;
}
.badge {
  background: rgba(255, 245, 245, 0.7);
  backdrop-filter: blur(5px);
  padding: 0.5rem 1.2rem;
  border-radius: 40px;
  font-weight: 500;
  color: #9b4b77;
}

.banner-visual {
  flex: 0.8;
  display: flex;
  justify-content: center;
}

.mockup-frame {
  background: rgba(255, 255, 255, 0.2);
  border-radius: 48px;
  padding: 12px;
  backdrop-filter: blur(4px);
  box-shadow: 0 25px 40px rgba(0, 0, 0, 0.15);
}

.mockup-frame img {
  max-width: 260px;
  width: 100%;
  height: auto;
  border-radius: 36px;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
  display: block;
}

/* intro & features grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 1rem;
}

.feature-card {
  background: rgba(255, 255, 255, 0.5);
  backdrop-filter: blur(8px);
  border-radius: 32px;
  padding: 1.8rem;
  transition: all 0.3s ease;
  border: 1px solid rgba(255, 255, 240, 0.6);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.05);
}

.feature-card:hover {
  transform: translateY(-5px);
  background: rgba(255, 250, 250, 0.7);
  border-color: #ffb7d2;
}

.feature-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.feature-card h3 {
  font-size: 1.6rem;
  margin-bottom: 1rem;
  font-weight: 700;
  color: #2f2b50;
}

.feature-card p {
  color: #2c2a44;
  margin-bottom: 1rem;
}

.feature-card small {
  display: block;
  color: #ac4e85;
  font-weight: 500;
}

/* Screenshot optional */
.screenshot-showcase {
  text-align: center;
}

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

.screenshot-item {
  background: rgba(250, 240, 255, 0.4);
  backdrop-filter: blur(3px);
  border-radius: 44px;
  padding: 12px;
  width: 220px;
  transition: transform 0.3s;
}

.screenshot-item img {
  width: 100%;
  border-radius: 32px;
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
  display: block;
}

.screenshot-item:hover {
  transform: scale(1.03);
}

/* Footer */
footer {
  padding: 2.5rem 0 2rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.3);
  margin-top: 1.5rem;
}

.footer-contact a {
  color: #1f2a3e;
  text-decoration: none;
  font-weight: 500;
  border-bottom: 1px dotted #b34180;
}

.copyright {
  font-size: 0.8rem;
  opacity: 0.9;
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .container {
    padding: 0 1.2rem;
  }
  header {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
  .nav-links ul {
    justify-content: center;
    gap: 1.2rem;
  }
  .banner {
    flex-direction: column-reverse;
    text-align: center;
  }
  .banner-content p {
    margin-left: auto;
    margin-right: auto;
  }
  .banner-feature-badge {
    justify-content: center;
  }
  .section-title {
    font-size: 2rem;
  }
  .banner-content h2 {
    font-size: 2.3rem;
  }
  .mockup-frame img {
    max-width: 200px;
  }
  footer {
    flex-direction: column;
    text-align: center;
  }
}

/* button like style, no download but internal link */
.explore-link {
  display: inline-block;
  margin-top: 1rem;
  background: rgba(129, 81, 145, 0.2);
  backdrop-filter: blur(4px);
  padding: 0.8rem 1.8rem;
  border-radius: 50px;
  font-weight: 600;
  color: #773e5e;
  text-decoration: none;
  transition: 0.2s;
  border: 1px solid rgba(210, 110, 160, 0.5);
}
.explore-link:hover {
  background: rgba(210, 110, 160, 0.3);
  border-color: #db7aaa;
}