:root {
  --ink: #161c19;
  --ink-soft: #626b66;
  --ink-faint: #8d9691;
  --line: rgba(22, 28, 25, 0.11);
  --surface: rgba(255, 255, 255, 0.72);
  --accent: #3157e8;
  --sage: #507a63;
  --sage-soft: #e1eee5;
  --radius-xl: 30px;
  --radius-lg: 20px;
}

* { box-sizing: border-box; }

html { color-scheme: light; scroll-behavior: smooth; }

body {
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  color: var(--ink);
  background:
    radial-gradient(circle at 10% 5%, rgba(177, 196, 255, 0.38), transparent 28%),
    radial-gradient(circle at 92% 8%, rgba(255, 214, 203, 0.34), transparent 25%),
    linear-gradient(150deg, #f8f9f8 0%, #eef2f0 55%, #e8edeb 100%);
  font-family: "Noto Serif SC", "Songti SC", "STSong", serif;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

.page-glow {
  position: fixed;
  z-index: -1;
  border-radius: 50%;
  filter: blur(30px);
  pointer-events: none;
}

.page-glow--one {
  width: 360px;
  height: 360px;
  top: -170px;
  right: -90px;
  background: rgba(171, 191, 255, 0.45);
}

.page-glow--two {
  width: 300px;
  height: 300px;
  bottom: -150px;
  left: -120px;
  background: rgba(224, 193, 181, 0.38);
}

.landing-shell {
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
  padding: 28px 0;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 80px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: "Playfair Display", Georgia, serif;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.brand__mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 11px;
  background: var(--ink);
  color: #fff;
}

.header-link {
  padding: 9px 14px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: rgba(255, 255, 255, 0.58);
  font-size: 0.76rem;
  font-weight: 600;
}

.header-link:hover { color: var(--accent); }

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(340px, 0.72fr);
  align-items: center;
  gap: 70px;
  min-height: 580px;
}

.eyebrow {
  margin: 0 0 13px;
  color: var(--sage);
  font-family: "Noto Serif SC", serif;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.11em;
}

.hero h1,
.section h2,
.privacy-panel h2 {
  margin: 0;
  font-weight: 600;
  letter-spacing: -0.055em;
}

.hero h1 {
  max-width: 760px;
  font-size: clamp(3rem, 6.4vw, 5.9rem);
  line-height: 1.14;
}

.hero__intro {
  max-width: 660px;
  margin: 28px 0 0;
  color: var(--ink-soft);
  font-size: 1rem;
  line-height: 2;
}

.hero__actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 34px;
}

.primary-cta {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  padding: 0 21px;
  border-radius: 13px;
  background: var(--ink);
  color: #fff;
  font-size: 0.84rem;
  font-weight: 600;
  box-shadow: 0 12px 30px rgba(22, 28, 25, 0.16);
  transition: transform 160ms ease, background 160ms ease;
}

.primary-cta:hover {
  transform: translateY(-2px);
  background: #29332f;
}

.hero__note {
  color: var(--ink-faint);
  font-size: 0.68rem;
}

.hero-preview {
  position: relative;
  padding: 25px;
  border: 1px solid rgba(255, 255, 255, 0.88);
  border-radius: var(--radius-xl);
  background: rgba(255, 255, 255, 0.7);
  box-shadow: 0 26px 70px rgba(44, 55, 50, 0.12);
  backdrop-filter: blur(22px);
}

.hero-preview::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: -20px;
  border-radius: 40px;
  background: rgba(255, 255, 255, 0.24);
}

.preview-topline {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  color: var(--ink-soft);
  font-size: 0.75rem;
}

.preview-topline strong {
  color: var(--ink);
  font-family: Georgia, serif;
  font-size: 2.25rem;
  font-weight: 500;
  line-height: 1;
}

.preview-progress {
  overflow: hidden;
  height: 7px;
  margin: 16px 0 20px;
  border-radius: 999px;
  background: rgba(22, 28, 25, 0.08);
}

.preview-progress span {
  display: block;
  width: 67%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent), #7891f0);
}

.preview-task {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 11px;
  margin-top: 9px;
  padding: 13px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.82);
}

.preview-task--done {
  border-color: rgba(80, 122, 99, 0.13);
  background: #e8ebe9;
}

.preview-task strong {
  display: block;
  font-family: "Noto Serif SC", serif;
  font-size: 0.78rem;
  font-weight: 600;
}

.preview-task small {
  display: block;
  margin-top: 2px;
  color: var(--ink-faint);
  font-size: 0.61rem;
}

.preview-check {
  display: grid;
  width: 29px;
  height: 29px;
  place-items: center;
  border-radius: 50%;
  background: var(--sage);
  color: #fff;
  font-size: 0.68rem;
}

.preview-check--empty {
  border: 1px solid #aab2ad;
  background: #fff;
}

.preview-quote {
  margin: 23px 3px 2px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 0.72rem;
  font-style: italic;
  line-height: 1.8;
}

.section { padding: 110px 0 60px; }

.section-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 30px;
  margin-bottom: 38px;
}

.section h2,
.privacy-panel h2 {
  max-width: 680px;
  font-size: clamp(2rem, 4vw, 3.3rem);
  line-height: 1.25;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.feature-card {
  min-height: 225px;
  padding: 27px;
  border: 1px solid rgba(255, 255, 255, 0.88);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.62);
  box-shadow: 0 14px 40px rgba(44, 55, 50, 0.055);
}

.feature-index {
  color: var(--accent);
  font-family: Georgia, serif;
  font-size: 0.7rem;
}

.feature-card h3 {
  margin: 52px 0 10px;
  font-size: 1.08rem;
  font-weight: 600;
}

.feature-card p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.78rem;
  line-height: 1.85;
}

.privacy-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.72fr);
  align-items: end;
  gap: 60px;
  margin: 66px 0 40px;
  padding: 38px;
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, #dceade, #eef3ef);
}

.privacy-panel p:last-child {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.78rem;
  line-height: 1.9;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 28px 4px 8px;
  border-top: 1px solid var(--line);
  color: var(--ink-faint);
  font-size: 0.65rem;
}

@media (max-width: 850px) {
  .landing-shell { width: min(100% - 28px, 680px); }
  .site-header { margin-bottom: 44px; }
  .hero { grid-template-columns: 1fr; gap: 44px; min-height: auto; }
  .hero h1 { font-size: clamp(2.8rem, 13vw, 4.3rem); }
  .section { padding-top: 80px; }
  .section-heading,
  .privacy-panel { align-items: flex-start; flex-direction: column; }
  .feature-grid,
  .privacy-panel { grid-template-columns: 1fr; }
}

@media (max-width: 520px) {
  .landing-shell { padding-top: 18px; }
  .brand { font-size: 0.9rem; }
  .header-link { padding-inline: 11px; }
  .hero__intro { font-size: 0.9rem; }
  .hero__actions { align-items: flex-start; flex-direction: column; }
  .hero-preview { padding: 19px; }
  .section { padding-top: 64px; }
  .feature-card { min-height: 190px; padding: 22px; }
  .feature-card h3 { margin-top: 36px; }
  .privacy-panel { gap: 24px; padding: 26px; }
  .site-footer { flex-direction: column; }
}