.hero {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  padding-block: clamp(3rem, 8vw, 6rem) clamp(5rem, 10vw, 8rem);
  background: linear-gradient(180deg, #ffffff 0%, var(--bg-soft) 100%);
}

.hero__bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(
      55% 50% at 80% 10%,
      rgba(127, 231, 212, 0.45),
      transparent 70%
    ),
    radial-gradient(
      60% 60% at 10% 90%,
      rgba(0, 168, 232, 0.35),
      transparent 65%
    ),
    radial-gradient(
      40% 40% at 50% 50%,
      rgba(0, 119, 182, 0.18),
      transparent 70%
    );
  z-index: -1;
  filter: blur(0.5px);
  animation: drift 18s var(--ease) infinite alternate;
}

@keyframes drift {
  0% {
    transform: translate3d(0, 0, 0) scale(1);
  }
  100% {
    transform: translate3d(-1.5%, 1.5%, 0) scale(1.04);
  }
}

.hero__inner {
  position: relative;
  text-align: center;
  max-width: 880px;
}

.hero__title {
  margin-bottom: 0.4em;
  background: linear-gradient(
    180deg,
    var(--ink) 0%,
    var(--brand-darker) 100%
  );
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__sub {
  font-size: clamp(1.05rem, 1vw + 0.85rem, 1.25rem);
  color: var(--ink-soft);
  max-width: 36ch;
  margin: 0 auto 2rem;
}

.hero__cta {
  display: inline-flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
}

.hero__wave {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  width: 100%;
  pointer-events: none;
  user-select: none;
}

.intro {
  padding-block: clamp(3rem, 6vw, 5rem);
}

.intro__inner {
  max-width: 980px;
  margin: 0 auto;
  text-align: center;
}

.intro__lede {
  font-size: clamp(1.05rem, 1vw + 0.9rem, 1.2rem);
  color: var(--ink-soft);
  max-width: 60ch;
  margin: 0 auto 3rem;
}

.intro__features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  text-align: left;
}

.intro__features li {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: transform 200ms var(--ease), box-shadow 200ms var(--ease);
}

.intro__features li:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.intro__features h3 {
  margin: 0.6rem 0 0.3rem;
}

.intro__features p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.feature__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--brand));
  color: #fff;
  font-size: 0.7rem;
}

@media (max-width: 820px) {
  .intro__features {
    grid-template-columns: 1fr;
  }
}

.showcase {
  padding-block: clamp(2rem, 5vw, 4rem) clamp(4rem, 8vw, 6rem);
  background: linear-gradient(180deg, var(--bg-soft) 0%, #ffffff 100%);
}

.showcase__head {
  text-align: center;
  margin-bottom: 2.5rem;
}

.showcase__sub {
  color: var(--ink-soft);
  margin: 0;
}

.showcase .product-card {
  max-width: 880px;
  margin: 0 auto;
}