:root {
  font-family: "Manrope", "Segoe UI", sans-serif;
  line-height: 1.6;
  font-weight: 400;
  color: #1d1b22;
  background-color: #f6f1ea;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, rgba(255, 204, 156, 0.4), transparent 48%),
    radial-gradient(circle at 20% 80%, rgba(178, 205, 255, 0.4), transparent 50%),
    #f6f1ea;
  color: #1d1b22;
}

h1,
h2,
h3 {
  font-family: "DM Serif Display", "Times New Roman", serif;
  margin: 0;
}

p {
  margin: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

.landing {
  min-height: 100vh;
}

.app-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.5rem 6vw 1rem;
  position: sticky;
  top: 0;
  backdrop-filter: blur(12px);
  background: rgba(255, 255, 255, 0.7);
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  z-index: 1000;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.9rem;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: linear-gradient(135deg, #ffb36b, #f45d87, #6b6bf8);
  color: #fff;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.brand-name {
  font-size: 1.2rem;
  font-weight: 700;
}

.brand-tag {
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(29, 27, 34, 0.65);
}

.nav-links {
  display: flex;
  gap: 0.75rem;
}

.nav-links a {
  padding: 0.5rem 1.1rem;
  border-radius: 999px;
  font-weight: 600;
  letter-spacing: 0.02em;
  background: rgba(255, 255, 255, 0.6);
  box-shadow: 0 8px 20px rgba(15, 14, 32, 0.08);
}

.nav-link-primary {
  background: linear-gradient(135deg, #1d1b22, #3b2ff2) !important;
  color: #fff !important;
}

.section-shell {
  width: min(1040px, 92vw);
  margin: 0 auto;
}

.hero {
  display: grid;
  gap: 1rem;
  padding: 5.5rem 0 4rem;
}

.eyebrow {
  margin-bottom: 0.35rem;
  font-size: 0.85rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(29, 27, 34, 0.55);
}

.hero h1 {
  max-width: 14ch;
  font-size: clamp(2.4rem, 5vw, 4rem);
  line-height: 1.06;
}

.hero-copy {
  max-width: 64ch;
  color: rgba(29, 27, 34, 0.72);
  font-size: 1.05rem;
}

.hero-actions {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
  margin-top: 0.8rem;
}

.btn-primary,
.btn-ghost {
  border: none;
  padding: 0.85rem 1.2rem;
  border-radius: 16px;
  font-weight: 600;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-primary {
  background: linear-gradient(135deg, #1d1b22, #3b2ff2);
  color: #fff;
  box-shadow: 0 16px 30px rgba(62, 45, 242, 0.24);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.8);
  color: #1d1b22;
  border: 1px solid rgba(29, 27, 34, 0.12);
}

.btn-primary:hover,
.btn-ghost:hover,
.nav-links a:hover {
  transform: translateY(-1px);
}

#features,
#how-it-works {
  padding: 1.2rem 0 2.4rem;
}

#features h2,
#how-it-works h2 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  margin-bottom: 1.1rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.feature-card {
  background: rgba(255, 255, 255, 0.84);
  border-radius: 22px;
  padding: 1.3rem;
  border: 1px solid rgba(255, 255, 255, 0.7);
  box-shadow: 0 18px 40px rgba(16, 18, 30, 0.12);
}

.feature-card h3 {
  font-size: 1.45rem;
  margin-bottom: 0.45rem;
}

.feature-card p {
  color: rgba(29, 27, 34, 0.7);
}

.steps {
  margin: 0;
  padding-left: 1.15rem;
  display: grid;
  gap: 0.6rem;
  color: rgba(29, 27, 34, 0.78);
}

@media (max-width: 860px) {
  .app-nav {
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 1.2rem 1.2rem 1rem;
  }

  .brand {
    flex-direction: column;
    gap: 0.5rem;
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }
}