:root {
  --k-bg-page: #eef2f6;
  --k-bg-surface: #f2f5f9;
  --k-bg-card: #ffffff;
  --k-bg-card-subtle: #fafbfd;
  --k-bg-dark: #0f1c2e;
  --k-bg-dark-raised: #162436;
  --k-text-primary: #1b2a3b;
  --k-text-secondary: #6b7a8d;
  --k-text-tertiary: #9aaabb;
  --k-text-on-dark: #f0f4f8;
  --k-text-on-dark-muted: #8ba0b8;
  --k-text-on-dark-subtle: #4a6278;
  --k-accent: #2d7dd2;
  --k-accent-hover: #2468b5;
  --k-accent-light: #e8f1fb;
  --k-accent-border: #b8d4f0;
  --k-verified-text: #1d6b4e;
  --k-verified-bg: #d4ede3;
  --k-verified-border: #a8d9c4;
  --k-error-text: #dc2626;
  --k-error-bg: #fef2f2;
  --k-error-border: #fca5a5;
  --k-border: rgba(0, 0, 0, 0.07);
  --k-border-medium: rgba(0, 0, 0, 0.12);
  --k-radius-sm: 6px;
  --k-radius-md: 10px;
  --k-radius-lg: 14px;
  --k-radius-xl: 18px;
  --k-radius-pill: 9999px;
  --k-shadow-card: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
  --k-shadow-raised: 0 4px 12px rgba(0, 0, 0, 0.08), 0 2px 4px rgba(0, 0, 0, 0.04);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--k-bg-page);
  color: var(--k-text-primary);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

a {
  color: inherit;
}

img,
picture,
svg {
  display: block;
  max-width: 100%;
}

button,
input,
select,
textarea {
  font: inherit;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  z-index: 50;
  min-height: 44px;
  padding: 0.75rem 1rem;
  border-radius: var(--k-radius-pill);
  background: var(--k-text-primary);
  color: var(--k-bg-page);
  text-decoration: none;
}

.skip-link:focus {
  top: 1rem;
}

.shell {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
}

.site-header {
  background: var(--k-bg-dark);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.site-header--light {
  background: var(--k-bg-page);
  border-bottom: 1px solid var(--k-border);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.875rem;
  text-decoration: none;
}

.brand__mark {
  width: 2.5rem;
  height: 2.5rem;
  display: grid;
  place-items: center;
  border-radius: var(--k-radius-lg);
  border: 1px solid var(--k-border);
  background: var(--k-bg-card);
  box-shadow: var(--k-shadow-card);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--k-text-primary);
}

.brand__text {
  display: grid;
  gap: 0.125rem;
}

.brand__name {
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--k-text-on-dark);
}

.site-header--light .brand__name {
  color: var(--k-text-primary);
}

.brand__meta {
  font-size: 0.9375rem;
  color: var(--k-text-on-dark-muted);
}

.site-header--light .brand__meta {
  color: var(--k-text-secondary);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.site-nav a {
  color: var(--k-text-on-dark);
  text-decoration: none;
  font-size: 0.9375rem;
}

.site-header--light .site-nav a {
  color: var(--k-text-primary);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 1rem;
  border-radius: var(--k-radius-md);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.04);
}

.site-header--light .nav-cta {
  border-color: var(--k-border);
  background: var(--k-bg-card);
}

.hero {
  background: var(--k-bg-dark);
}

.hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.06fr) minmax(18rem, 0.94fr);
  gap: 1.25rem;
  padding: 2rem 0 2.5rem;
}

.hero__copy {
  padding: 0.25rem 0;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0;
  color: var(--k-text-tertiary);
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 2px;
  height: 14px;
  border-radius: var(--k-radius-pill);
  background: var(--k-accent);
}

.eyebrow--dark {
  color: var(--k-text-on-dark-muted);
}

.hero h1,
.panel h1,
.confirmation-shell h1 {
  margin: 0.9rem 0 0;
  font-size: clamp(2.4rem, 6vw, 4.8rem);
  line-height: 0.95;
  letter-spacing: -0.05em;
  font-weight: 700;
}

.hero h1 {
  color: var(--k-text-on-dark);
  max-width: 12ch;
}

.hero__lead,
.panel__body,
.card p,
.cta-band p,
.scene-card__muted {
  color: var(--k-text-secondary);
  font-size: 0.975rem;
  line-height: 1.7;
}

.hero__lead {
  margin-top: 1rem;
  color: var(--k-text-on-dark-muted);
  max-width: 38rem;
  font-size: clamp(1rem, 1.3vw, 1.125rem);
  line-height: 1.75;
}

.hero__actions,
.confirmation-actions,
.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 1.25rem;
  border-radius: var(--k-radius-md);
  border: 1px solid transparent;
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 150ms ease, border-color 150ms ease, transform 150ms ease;
}

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

.button--primary {
  background: var(--k-accent);
  color: #ffffff;
}

.button--primary:hover {
  background: var(--k-accent-hover);
}

.button--secondary {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.08);
  color: var(--k-text-on-dark);
}

.button--secondary-light {
  background: var(--k-bg-card);
  border-color: var(--k-border);
  color: var(--k-text-primary);
}

.button--secondary-light:hover {
  background: var(--k-bg-surface);
  border-color: var(--k-border-medium);
}

.hero__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.625rem;
  margin-top: 1.5rem;
}

.chip {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 0.75rem;
  border-radius: var(--k-radius-pill);
  font-size: 0.75rem;
  font-weight: 600;
}

.chip--dark {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--k-text-on-dark);
}

.chip--trust {
  background: var(--k-verified-bg);
  border: 1px solid var(--k-verified-border);
  color: var(--k-verified-text);
}

.hero__scene {
  display: grid;
  gap: 0.875rem;
}

.scene-card {
  border-radius: var(--k-radius-xl);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: var(--k-bg-dark-raised);
  padding: 1rem;
}

.scene-card__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.scene-card__label {
  color: var(--k-text-on-dark-subtle);
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.scene-card__title {
  margin-top: 0.75rem;
  color: var(--k-text-on-dark);
  font-size: 1rem;
  line-height: 1.65;
}

.scene-card__muted {
  margin-top: 0.375rem;
  color: var(--k-text-on-dark-muted);
}

.scene-stack {
  display: grid;
  gap: 0.75rem;
  margin-top: 0.875rem;
}

.scene-stack__item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.75rem;
  align-items: start;
  padding: 0.875rem;
  border-radius: var(--k-radius-lg);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.scene-dot {
  width: 0.625rem;
  height: 0.625rem;
  margin-top: 0.35rem;
  border-radius: var(--k-radius-pill);
  background: var(--k-accent);
}

.section {
  padding: 1rem 0 2rem;
}

.section--page-top {
  padding-top: 2rem;
}

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

.two-column {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 1rem;
}

.card,
.panel {
  border: 1px solid var(--k-border);
  border-radius: var(--k-radius-xl);
  background: var(--k-bg-card);
  box-shadow: var(--k-shadow-card);
  padding: 1.5rem;
}

.panel--subtle {
  background: var(--k-bg-card-subtle);
}

.panel--form {
  background: var(--k-bg-card);
}

.card h2,
.panel h2,
.panel h1,
.confirmation-shell h1,
.cta-band h2 {
  margin: 0.875rem 0 0;
  color: var(--k-text-primary);
  font-size: 1.25rem;
  line-height: 1.25;
  letter-spacing: -0.03em;
}

.panel h1,
.confirmation-shell h1 {
  font-size: clamp(2rem, 4vw, 3rem);
}

.list-block {
  display: grid;
  gap: 0.75rem;
  margin-top: 1rem;
}

.list-block--compact {
  margin-top: 1.25rem;
}

.list-row {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.75rem;
  align-items: start;
  padding: 0.875rem 0.95rem;
  border-radius: var(--k-radius-lg);
  background: var(--k-bg-surface);
}

.list-row span {
  min-width: 1.4rem;
  color: var(--k-text-tertiary);
  font-weight: 600;
}

.list-row p,
.form-footnote,
.field-hint {
  margin: 0;
  color: var(--k-text-secondary);
}

.cta-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border: 1px solid var(--k-border);
  border-radius: var(--k-radius-xl);
  background: var(--k-bg-card);
  box-shadow: var(--k-shadow-card);
  padding: 1.5rem;
}

.cta-band__content {
  max-width: 42rem;
}

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

.form-field {
  display: grid;
  gap: 0.5rem;
}

.form-field label {
  color: var(--k-text-primary);
  font-size: 0.9375rem;
  font-weight: 600;
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  min-height: 44px;
  padding: 0.875rem 1rem;
  border-radius: var(--k-radius-md);
  border: 1px solid var(--k-border);
  background: var(--k-bg-surface);
  color: var(--k-text-primary);
  outline: none;
}

.form-field textarea {
  min-height: 132px;
  resize: vertical;
}

.form-field input::placeholder,
.form-field textarea::placeholder {
  color: var(--k-text-tertiary);
}

.form-field input:hover,
.form-field select:hover,
.form-field textarea:hover {
  border-color: var(--k-border-medium);
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  border-color: var(--k-accent);
  box-shadow: 0 0 0 4px rgba(45, 125, 210, 0.12);
  background: var(--k-bg-card);
}

.form-field input[aria-invalid="true"],
.form-field select[aria-invalid="true"],
.form-field textarea[aria-invalid="true"] {
  border-color: var(--k-error-border);
  box-shadow: 0 0 0 4px rgba(220, 38, 38, 0.08);
}

.field-error {
  min-height: 1.25rem;
  margin: 0;
  color: var(--k-error-text);
  font-size: 0.875rem;
}

.field-hint,
.form-footnote {
  font-size: 0.875rem;
  line-height: 1.6;
}

.form-footnote {
  color: var(--k-text-tertiary);
  font-size: 0.8125rem;
  line-height: 1.65;
}

.form-status {
  padding: 0.875rem 1rem;
  border-radius: var(--k-radius-lg);
  font-size: 0.9375rem;
  line-height: 1.6;
}

.form-status--error {
  background: var(--k-error-bg);
  border: 1px solid var(--k-error-border);
  color: var(--k-error-text);
}

.confirmation-shell {
  max-width: 760px;
}

.panel--confirmation {
  background: var(--k-bg-card);
}

.site-footer {
  padding: 0.5rem 0 2rem;
}

.site-footer__inner {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  color: var(--k-text-tertiary);
  font-size: 0.875rem;
}

.site-footer__inner p {
  margin: 0;
}

.site-footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.site-footer__links a {
  text-decoration: none;
}

@media (max-width: 980px) {
  .hero__inner,
  .card-grid,
  .two-column,
  .cta-band {
    grid-template-columns: 1fr;
    flex-direction: column;
    align-items: flex-start;
  }

  .hero h1 {
    max-width: 14ch;
  }
}

@media (max-width: 640px) {
  .shell {
    width: min(1120px, calc(100% - 1rem));
  }

  .site-header__inner,
  .site-nav,
  .hero__actions,
  .form-actions,
  .confirmation-actions,
  .site-footer__inner,
  .site-footer__links {
    flex-direction: column;
    align-items: flex-start;
  }

  .site-nav {
    gap: 0.75rem;
  }

  .hero__inner,
  .card,
  .panel,
  .scene-card,
  .cta-band {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .hero__inner {
    padding-top: 1.5rem;
    padding-bottom: 1.75rem;
  }

  .button,
  .nav-cta {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .button {
    transition: none;
  }

  .button:hover {
    transform: none;
  }
}