* {
  box-sizing: border-box;
}
html, body {
  margin: 0;
  padding: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji";
  color: #0f172a;
  background: linear-gradient(180deg, #f8fafc 0%, #f1f5f9 30%, #eef2f7 100%);
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
}
.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 20px;
}
.navbar {
  position: sticky;
  top: 0;
  backdrop-filter: saturate(140%) blur(6px);
  background: rgba(255, 255, 255, 0.8);
  border-bottom: 1px solid rgba(15, 23, 42, 0.06);
  z-index: 10;
}
.nav-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.brand-logo {
  width: 40px;
  height: 40px;
  border-radius: 10px;
}
.brand-logo.small {
  width: 28px;
  height: 28px;
}
.brand-title {
  font-weight: 700;
  letter-spacing: 0.2px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 16px;
  border-radius: 12px;
  font-weight: 600;
  letter-spacing: 0.2px;
  transition: transform .08s ease, background-color .2s ease, box-shadow .2s ease;
  border: 1px solid rgba(15, 23, 42, 0.08);
}
.btn.primary {
  color: #fff;
  background: linear-gradient(180deg, #10b981 0%, #059669 100%);
  box-shadow: 0 6px 16px rgba(16, 185, 129, 0.32);
}
.btn.primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 22px rgba(16, 185, 129, 0.38);
}
.btn.ghost {
  background: rgba(255,255,255,0.6);
}
.btn.large {
  padding: 14px 22px;
  font-size: 16px;
}
.hero {
  padding: 56px 0 28px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 32px;
  align-items: center;
}
.hero-text h1 {
  margin: 0 0 12px;
  font-size: 44px;
  line-height: 1.1;
}
.lead {
  font-size: 18px;
  color: #334155;
}
.hero-cta {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}
.hero-media {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(15, 23, 42, 0.12);
  background: #ffffff;
  border: 1px solid rgba(15, 23, 42, 0.06);
}
.hero-image {
  width: 100%;
  height: auto;
}
.features {
  padding: 20px 0 48px;
}
.features h2 {
  text-align: center;
  font-size: 28px;
  margin: 8px 0 24px;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 16px;
}
.feature {
  background: #fff;
  padding: 18px;
  border-radius: 14px;
  border: 1px solid rgba(15, 23, 42, 0.06);
  box-shadow: 0 10px 26px rgba(15, 23, 42, 0.06);
}
.feature .icon {
  font-size: 22px;
}
.feature h3 {
  margin: 8px 0 6px;
  font-size: 16px;
}
.feature p {
  margin: 0;
  color: #475569;
  font-size: 14px;
  line-height: 1.4;
}
.store {
  padding: 8px 0 64px;
}
.store-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  background: linear-gradient(180deg, #ecfeff 0%, #e6fffa 100%);
  border: 1px solid rgba(15, 23, 42, 0.06);
  border-radius: 16px;
  padding: 24px;
}
.footer {
  border-top: 1px solid rgba(15, 23, 42, 0.08);
  background: #ffffff;
}
.footer-inner {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand.small .brand-title {
  font-size: 14px;
}
@media (max-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}
@media (max-width: 760px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .hero-text h1 {
    font-size: 34px;
  }
  .features-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (max-width: 480px) {
  .features-grid {
    grid-template-columns: 1fr;
  }
}