:root {
  --bg: #08111f;
  --bg-soft: #0f1c32;
  --surface: rgba(15, 28, 50, 0.78);
  --surface-strong: #132542;
  --surface-muted: rgba(148, 163, 184, 0.08);
  --text: #ecf2ff;
  --text-soft: #c3d1ea;
  --muted: #94a3b8;
  --line: rgba(195, 209, 234, 0.14);
  --primary: #78f0c4;
  --primary-strong: #38d39f;
  --accent: #8aa7ff;
  --danger: #ff8a8a;
  --shadow: 0 24px 80px rgba(3, 8, 20, 0.42);
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --container: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(120, 240, 196, 0.12), transparent 32%),
    radial-gradient(circle at 85% 15%, rgba(138, 167, 255, 0.2), transparent 24%),
    linear-gradient(180deg, #09111f 0%, #08111f 52%, #0a1528 100%);
  color: var(--text);
  min-height: 100vh;
}

body::before,
body::after {
  content: "";
  position: fixed;
  inset: auto;
  width: 22rem;
  height: 22rem;
  border-radius: 999px;
  filter: blur(70px);
  pointer-events: none;
  opacity: 0.28;
  z-index: 0;
}

body::before {
  background: rgba(120, 240, 196, 0.18);
  top: -6rem;
  right: -8rem;
}

body::after {
  background: rgba(138, 167, 255, 0.18);
  bottom: 8rem;
  left: -10rem;
}

body,
a,
button,
input {
  -webkit-tap-highlight-color: transparent;
}

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

.page-shell {
  position: relative;
  z-index: 1;
  width: min(calc(100% - 2rem), var(--container));
  margin: 0 auto;
  padding-bottom: 4rem;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  padding: 1.25rem 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  font-weight: 700;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 2.35rem;
  height: 2.35rem;
  border-radius: 0.85rem;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #041019;
  box-shadow: 0 12px 30px rgba(120, 240, 196, 0.22);
}

.brand-text {
  letter-spacing: -0.02em;
}

.nav {
  display: inline-flex;
  gap: 1.25rem;
  flex-wrap: wrap;
  color: var(--text-soft);
  font-size: 0.97rem;
}

.nav a:hover,
.nav a:focus-visible {
  color: var(--text);
}

.section {
  padding: 3.5rem 0;
}

.hero {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 2rem;
  align-items: center;
  min-height: calc(100vh - 6rem);
  padding-top: 2rem;
}

.eyebrow {
  margin: 0 0 1rem;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.78rem;
  font-weight: 700;
}

h1,
h2,
h3,
p,
ul {
  margin-top: 0;
}

h1 {
  font-size: clamp(2.75rem, 6vw, 5.2rem);
  line-height: 0.95;
  letter-spacing: -0.05em;
  max-width: 10.5ch;
  margin-bottom: 1.25rem;
}

h2 {
  font-size: clamp(2rem, 4vw, 3.1rem);
  line-height: 1.02;
  letter-spacing: -0.04em;
  margin-bottom: 1rem;
  max-width: 14ch;
}

h3 {
  font-size: 1.18rem;
  line-height: 1.2;
  margin-bottom: 0.7rem;
}

p,
li,
summary,
label,
input,
button {
  font-size: 1rem;
  line-height: 1.65;
}

.lead,
.section-heading p,
.info-card p,
.step-card p,
.comparison-card li,
.pricing-card p,
.metric-card span,
.faq-item p,
.modal-copy {
  color: var(--text-soft);
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin: 2rem 0 1.4rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.25rem;
  padding: 0.85rem 1.35rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.button-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-strong));
  color: #041019;
  box-shadow: 0 18px 35px rgba(56, 211, 159, 0.18);
}

.button-secondary {
  background: rgba(8, 17, 31, 0.45);
  color: var(--text);
  border-color: var(--line);
}

.button-wide {
  width: 100%;
}

.proof-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.7rem;
}

.proof-list li {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--text-soft);
}

.proof-list li::before {
  content: "";
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  flex: none;
}

.hero-visual {
  display: flex;
  justify-content: flex-end;
}

.panel {
  width: min(100%, 31rem);
  padding: 1.2rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: linear-gradient(180deg, rgba(19, 37, 66, 0.92), rgba(10, 21, 40, 0.88));
  box-shadow: var(--shadow);
}

.panel-header {
  display: flex;
  gap: 0.45rem;
  margin-bottom: 1rem;
}

.panel-header span {
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 999px;
  background: rgba(236, 242, 255, 0.22);
}

.signal-card,
.mini-card,
.info-card,
.step-card,
.comparison-card,
.metric-card,
.pricing-card,
.faq-item,
.modal-dialog {
  border: 1px solid var(--line);
  background: var(--surface);
  backdrop-filter: blur(12px);
}

.signal-card {
  padding: 1.2rem;
  border-radius: var(--radius-lg);
  margin-bottom: 1rem;
}

.signal-label {
  font-size: 0.86rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  margin-bottom: 0.65rem;
}

.signal-score {
  font-size: clamp(3rem, 7vw, 4.6rem);
  line-height: 1;
  font-weight: 800;
  letter-spacing: -0.06em;
  margin-bottom: 0.7rem;
}

.signal-note {
  margin-bottom: 0;
}

.mini-grid,
.card-grid,
.steps,
.metrics-row {
  display: grid;
  gap: 1rem;
}

.mini-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.mini-card {
  padding: 1rem;
  border-radius: var(--radius-md);
}

.mini-card span,
.metric-card span {
  display: block;
  color: var(--muted);
  font-size: 0.92rem;
}

.mini-card strong,
.metric-card strong {
  display: block;
  margin-top: 0.2rem;
  font-size: 1.1rem;
}

.compact h2 {
  max-width: 16ch;
}

.card-grid.three-up {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.info-card,
.step-card,
.metric-card {
  padding: 1.4rem;
  border-radius: var(--radius-lg);
}

.section-heading {
  max-width: 42rem;
  margin-bottom: 1.6rem;
}

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

.comparison-card {
  padding: 1.5rem;
  border-radius: var(--radius-lg);
}

.comparison-card ul {
  padding-left: 1.2rem;
  margin-bottom: 0;
}

.comparison-card li + li {
  margin-top: 0.55rem;
}

.comparison-card.strong {
  background: linear-gradient(180deg, rgba(20, 43, 76, 0.96), rgba(12, 28, 49, 0.92));
}

.comparison-card.muted {
  background: rgba(12, 22, 39, 0.74);
}

.steps {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.step-number {
  display: inline-flex;
  margin-bottom: 1rem;
  color: var(--primary);
  font-size: 0.88rem;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.metrics-row {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.pricing-card {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 1rem;
  border-radius: var(--radius-xl);
  padding: 1.4rem;
}

.pricing-panel {
  padding: 1.3rem;
  border-radius: var(--radius-lg);
  background: rgba(8, 17, 31, 0.5);
}

.price-tag {
  display: inline-flex;
  margin-bottom: 0.8rem;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  background: rgba(120, 240, 196, 0.12);
  color: var(--primary);
  font-size: 0.88rem;
  font-weight: 700;
}

.faq-list {
  display: grid;
  gap: 0.9rem;
}

.faq-item {
  border-radius: var(--radius-md);
  padding: 0 1.1rem;
  overflow: hidden;
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 1rem 0;
  font-weight: 700;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item p {
  padding: 0 0 1rem;
  margin-bottom: 0;
}

.modal {
  position: fixed;
  inset: 0;
  display: none;
  z-index: 20;
}

.modal:target {
  display: grid;
  place-items: center;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(4, 10, 20, 0.7);
  backdrop-filter: blur(6px);
}

.modal-dialog {
  position: relative;
  width: min(calc(100% - 1.5rem), 34rem);
  border-radius: var(--radius-xl);
  padding: 1.4rem;
  box-shadow: var(--shadow);
}

.modal-close {
  position: absolute;
  top: 0.85rem;
  right: 1rem;
  font-size: 1.8rem;
  line-height: 1;
  color: var(--muted);
}

.waitlist-form {
  display: grid;
  gap: 0.95rem;
  margin-top: 1rem;
}

.waitlist-form label {
  display: grid;
  gap: 0.35rem;
  font-weight: 600;
}

.waitlist-form label span {
  color: var(--muted);
  font-weight: 500;
}

.waitlist-form input {
  width: 100%;
  min-height: 3.1rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(195, 209, 234, 0.18);
  background: rgba(8, 17, 31, 0.72);
  color: var(--text);
  padding: 0.85rem 1rem;
  outline: none;
}

.waitlist-form input:focus {
  border-color: rgba(120, 240, 196, 0.65);
  box-shadow: 0 0 0 4px rgba(120, 240, 196, 0.14);
}

.form-status {
  padding: 0.8rem 0.95rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
}

.landai-waitlist-success {
  background: rgba(120, 240, 196, 0.12);
  color: var(--primary);
}

.landai-waitlist-error {
  background: rgba(255, 138, 138, 0.12);
  color: var(--danger);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 980px) {
  .hero,
  .pricing-card,
  .comparison,
  .steps,
  .card-grid.three-up,
  .metrics-row {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 1rem;
  }

  h1 {
    max-width: 12ch;
  }

  .hero-visual {
    justify-content: stretch;
  }
}

@media (max-width: 720px) {
  .page-shell {
    width: min(calc(100% - 1rem), var(--container));
  }

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

  .nav {
    gap: 0.9rem;
  }

  .section {
    padding: 2.6rem 0;
  }

  .hero-actions {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .panel,
  .pricing-card,
  .modal-dialog {
    padding: 1rem;
  }
}