:root {
  --bg: #0d0f14;
  --surface: #151922;
  --surface-2: #1a1f29;
  --text: #f3efe7;
  --muted: #a7b0be;
  --line: rgba(255, 255, 255, 0.08);
  --accent: #4d7cfe;
  --accent-warm: #ffb347;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Inter', system-ui, sans-serif;
  background:
    radial-gradient(circle at top, rgba(77, 124, 254, 0.18), transparent 0 35%),
    linear-gradient(180deg, #0d0f14 0%, #0f1218 100%);
  color: var(--text);
}

body, p, li {
  line-height: 1.6;
}

.page-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0 80px;
}

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  padding: 8px 0 24px;
}

.brand-mark {
  font-weight: 800;
  letter-spacing: -0.04em;
  font-size: 1.15rem;
}

.site-nav {
  display: flex;
  gap: 20px;
}

.site-nav a,
.btn,
.btn:visited {
  color: var(--text);
  text-decoration: none;
}

.site-nav a {
  color: var(--muted);
  font-size: 0.95rem;
}

.hero {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 32px;
  align-items: center;
  padding: 52px 0 28px;
}

.eyebrow {
  color: var(--accent-warm);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  font-weight: 700;
  margin-bottom: 12px;
}

.hero h1,
.section-heading h2,
.manifesto h2 {
  letter-spacing: -0.05em;
  line-height: 1.02;
  margin: 0 0 18px;
}

.hero h1 {
  font-size: clamp(2.8rem, 6vw, 5.4rem);
  max-width: 11ch;
}

.lead,
.section-heading p,
.manifesto p,
.feature-card p,
.step-card p,
.price-card li,
.hero-card p {
  color: var(--muted);
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 28px 0 22px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 999px;
  font-weight: 600;
  border: 1px solid transparent;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), #6a94ff);
  box-shadow: var(--shadow);
}

.btn-secondary {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.02);
}

.hero-points {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 8px;
  color: var(--muted);
}

.hero-points li::before {
  content: '—';
  color: var(--accent-warm);
  margin-right: 10px;
}

.hero-card,
.feature-card,
.step-card,
.price-card,
.proof-strip,
.manifesto {
  background: rgba(26, 31, 41, 0.7);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.hero-card {
  border-radius: 28px;
  padding: 28px;
}

.card-label,
.tier {
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.hero-card h2,
.price-card h3,
.feature-card h3,
.step-card h3 {
  margin: 10px 0 12px;
  letter-spacing: -0.03em;
}

.mini-grid {
  display: grid;
  gap: 18px;
  margin-top: 22px;
}

.mini-grid span {
  display: block;
  color: var(--muted);
  font-size: 0.82rem;
  margin-bottom: 4px;
}

.proof-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  border-radius: 20px;
  padding: 18px;
  margin: 26px 0 10px;
  color: var(--muted);
  text-align: center;
}

.section {
  padding: 92px 0 0;
}

.section-alt .step-card,
.price-card,
.feature-card,
.manifesto {
  border-radius: 24px;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 28px;
}

.feature-grid,
.steps-grid,
.pricing-grid {
  display: grid;
  gap: 20px;
}

.feature-grid {
  grid-template-columns: repeat(3, 1fr);
}

.steps-grid {
  grid-template-columns: repeat(3, 1fr);
}

.pricing-grid {
  grid-template-columns: repeat(3, 1fr);
}

.feature-card,
.step-card,
.price-card {
  padding: 24px;
}

.step-number {
  color: var(--accent-warm);
  font-weight: 800;
  letter-spacing: -0.04em;
  font-size: 1.8rem;
}

.price {
  font-size: 1.8rem;
  font-weight: 800;
  letter-spacing: -0.05em;
  margin-bottom: 14px;
}

.price-card ul {
  margin: 0;
  padding-left: 18px;
}

.featured {
  background: linear-gradient(180deg, rgba(77, 124, 254, 0.16), rgba(26, 31, 41, 0.9));
  border-color: rgba(77, 124, 254, 0.35);
}

.manifesto {
  text-align: center;
  padding: 42px 24px;
  margin-top: 92px;
}

.login-wrap {
  min-height: calc(100vh - 120px);
  display: grid;
  place-items: center;
  padding-top: 40px;
}

.login-card {
  width: min(560px, 100%);
  background: rgba(26, 31, 41, 0.8);
  border: 1px solid var(--line);
  border-radius: 28px;
  box-shadow: var(--shadow);
  padding: 32px;
}

.login-card h1,
.library-hero h1 {
  letter-spacing: -0.05em;
  line-height: 1.05;
  margin: 0 0 16px;
}

.login-form {
  display: grid;
  gap: 14px;
  margin-top: 24px;
}

.login-form label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-weight: 600;
}

.login-form input {
  width: 100%;
  min-height: 52px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  padding: 0 16px;
  font: inherit;
}

.login-note {
  margin-top: 18px;
  padding: 16px;
  border-radius: 16px;
  background: rgba(255, 179, 71, 0.08);
  border: 1px solid rgba(255, 179, 71, 0.18);
  color: var(--muted);
}

.auth-status {
  margin-top: 16px;
  padding: 14px 16px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--line);
  color: var(--muted);
}

.auth-status[data-type="success"] {
  border-color: rgba(63, 175, 130, 0.4);
  color: #b8ead5;
}

.auth-status[data-type="error"] {
  border-color: rgba(255, 120, 120, 0.35);
  color: #ffb6b6;
}

.auth-status[data-type="warn"] {
  border-color: rgba(255, 179, 71, 0.35);
  color: #ffd39b;
}

.library-hero {
  max-width: 760px;
  padding: 52px 0 24px;
}

.library-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.library-card {
  padding: 24px;
  border-radius: 24px;
  background: rgba(26, 31, 41, 0.78);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.library-link {
  display: block;
  color: var(--text);
  text-decoration: none;
  transition: transform 140ms ease, border-color 140ms ease;
}

.library-link:hover {
  transform: translateY(-2px);
  border-color: rgba(77, 124, 254, 0.32);
}

.library-card h2 {
  margin: 10px 0 10px;
  letter-spacing: -0.03em;
}

.library-card p {
  color: var(--muted);
}

.library-tag {
  display: inline-flex;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(77, 124, 254, 0.12);
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.gated {
  border-color: rgba(255, 179, 71, 0.24);
}

.cta-center {
  justify-content: center;
}

.content-article {
  max-width: 860px;
  margin: 32px auto 0;
  padding: 32px;
  border-radius: 28px;
  background: rgba(26, 31, 41, 0.8);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.article-body {
  color: var(--muted);
}

.article-body p,
.article-body li {
  color: var(--muted);
}

.article-body ul,
.article-body ol {
  padding-left: 22px;
}

@media (max-width: 980px) {
  .hero,
  .feature-grid,
  .steps-grid,
  .pricing-grid,
  .proof-strip,
  .library-grid {
    grid-template-columns: 1fr;
  }

  .site-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero h1 {
    max-width: none;
  }
}

@media (max-width: 640px) {
  .page-shell {
    width: min(100% - 20px, 1180px);
  }

  .site-nav {
    flex-wrap: wrap;
    gap: 12px;
  }

  .hero {
    padding-top: 24px;
  }

  .hero-card,
  .feature-card,
  .step-card,
  .price-card,
  .manifesto {
    border-radius: 18px;
  }
}