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

:root {
  --black: #0e0e0e;
  --off-white: #f7f6f3;
  --warm-gray: #8a8580;
  --rule: #e4e2dd;

  --abide: #4a6fa5;
  --abide-light: #eef2f8;
  --bloom: #8b5e7a;
  --bloom-light: #f5eef3;
  --arrow: #5c6b3a;
  --arrow-light: #eef1e8;
  --answered: #b8490a;
  --answered-light: #fdf0ea;
  --tee: #2e7d5e;
  --tee-light: #e8f4ef;
  --cadence: #5a4e8e;
  --cadence-light: #f0eefa;
}

html { font-size: 16px; scroll-behavior: smooth; }

body {
  background: var(--off-white);
  color: var(--black);
  font-family: 'DM Sans', sans-serif;
  font-weight: 300;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 48px;
  height: 64px;
  background: rgba(247,246,243,0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--rule);
}
.nav-logo {
  font-family: 'DM Serif Display', serif;
  font-size: 1.25rem;
  color: var(--black);
  text-decoration: none;
  letter-spacing: -0.01em;
}
.nav-back {
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--warm-gray);
  text-decoration: none;
  transition: color 0.2s;
  display: flex; align-items: center; gap: 6px;
}
.nav-back:hover { color: var(--black); }

.app-hero {
  padding: 140px 48px 80px;
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: 80px;
  align-items: start;
}
.hero-eyebrow {
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 20px;
}
.app-hero h1 {
  font-family: 'DM Serif Display', serif;
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}
.app-hero .tagline {
  font-size: 1.125rem;
  color: var(--warm-gray);
  line-height: 1.7;
  margin-bottom: 40px;
  max-width: 480px;
}
.cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: 100px;
  font-size: 0.9375rem;
  font-weight: 500;
  text-decoration: none;
  transition: opacity 0.2s, transform 0.15s;
  font-family: 'DM Sans', sans-serif;
}
.cta-btn:hover { opacity: 0.85; transform: translateY(-1px); }
.cta-btn svg { flex-shrink: 0; }

.hero-card {
  background: #fff;
  border: 1px solid var(--rule);
  border-radius: 20px;
  padding: 40px;
  position: sticky;
  top: 88px;
}
.hero-card-label {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--warm-gray);
  margin-bottom: 16px;
}
.hero-card-name {
  font-family: 'DM Serif Display', serif;
  font-size: 1.5rem;
  margin-bottom: 8px;
}
.hero-card-sub {
  font-size: 0.9rem;
  color: var(--warm-gray);
  margin-bottom: 28px;
  line-height: 1.5;
}
.hero-card-price {
  font-size: 0.875rem;
  color: var(--warm-gray);
  margin-bottom: 20px;
}
.features-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.features-list li {
  font-size: 0.9rem;
  color: var(--warm-gray);
  display: flex;
  align-items: flex-start;
  gap: 10px;
  line-height: 1.4;
}
.features-list li::before {
  content: '✓';
  font-size: 0.8rem;
  font-weight: 600;
  flex-shrink: 0;
  margin-top: 2px;
}

.section-rule {
  width: 100%;
  height: 1px;
  background: var(--rule);
  max-width: 1100px;
  margin: 0 auto;
}

.content-section {
  padding: 80px 48px;
  max-width: 1100px;
  margin: 0 auto;
}
.section-label {
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--warm-gray);
  margin-bottom: 48px;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}
.feature-item h3 {
  font-family: 'DM Serif Display', serif;
  font-size: 1.25rem;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}
.feature-item p {
  font-size: 0.9375rem;
  color: var(--warm-gray);
  line-height: 1.65;
}

.links-strip {
  border-top: 1px solid var(--rule);
  padding: 40px 48px;
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  gap: 32px;
}
.links-strip a {
  font-size: 0.875rem;
  color: var(--warm-gray);
  text-decoration: none;
  transition: color 0.2s;
}
.links-strip a:hover { color: var(--black); }

footer {
  border-top: 1px solid var(--rule);
  padding: 40px 48px;
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
footer p { font-size: 0.875rem; color: var(--warm-gray); }
footer a { color: var(--warm-gray); text-decoration: none; }
footer a:hover { color: var(--black); }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}
.hero-eyebrow { animation: fadeUp 0.5s ease both; }
.app-hero h1 { animation: fadeUp 0.5s 0.08s ease both; }
.app-hero .tagline { animation: fadeUp 0.5s 0.16s ease both; }
.cta-btn { animation: fadeUp 0.5s 0.24s ease both; }

@media (max-width: 960px) {
  nav { padding: 0 24px; }
  .app-hero { grid-template-columns: 1fr; gap: 48px; padding: 120px 24px 64px; }
  .hero-card { position: static; }
  .content-section { padding: 64px 24px; }
  .features-grid { grid-template-columns: 1fr 1fr; }
  .links-strip { padding: 32px 24px; flex-wrap: wrap; }
  footer { padding: 32px 24px; flex-direction: column; gap: 12px; }
}
@media (max-width: 600px) {
  .features-grid { grid-template-columns: 1fr; }
}
