:root {
  --hc-bg: #0a0a12;
  --hc-bg-elevated: #12121f;
  --hc-bg-card: #161625;
  --hc-bg-card-active: #1c1c30;
  --hc-violet: #8b5cf6;
  --hc-violet-glow: rgba(139, 92, 246, 0.35);
  --hc-electric: #3b82f6;
  --hc-magenta: #d946ef;
  --hc-warm: #f97316;
  --hc-accent-gradient: linear-gradient(135deg, var(--hc-violet) 0%, var(--hc-magenta) 50%, var(--hc-warm) 100%);
  --hc-text: #f4f4f8;
  --hc-text-muted: #9494b8;
  --hc-text-dim: #6b6b88;
  --hc-border: rgba(139, 92, 246, 0.2);
  --hc-border-active: rgba(217, 70, 239, 0.5);
  --hc-radius-md: 12px;
  --hc-radius-lg: 16px;
  --hc-radius-xl: 24px;
  --hc-font: system-ui, -apple-system, 'Segoe UI', sans-serif;
  --hc-shadow-glow: 0 0 32px var(--hc-violet-glow);
  --hc-shadow-card: 0 8px 32px rgba(0, 0, 0, 0.45);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--hc-font);
  background: var(--hc-bg);
  color: var(--hc-text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

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

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

.landing-shell {
  overflow-x: hidden;
}

.landing-container {
  width: min(100% - 48px, 1280px);
  margin-inline: auto;
}

.landing-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--hc-border);
  background: rgba(10, 10, 18, 0.92);
  backdrop-filter: blur(12px);
}

.landing-nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 24px;
}

.landing-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 1.25rem;
  font-weight: 700;
}

.landing-brand__logo {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  object-fit: cover;
  box-shadow: 0 4px 16px rgba(139, 92, 246, 0.35);
}

.landing-nav__links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.landing-nav__links a {
  color: var(--hc-text-muted);
  font-size: 0.875rem;
  transition: color 0.15s ease;
}

.landing-nav__links a:hover {
  color: var(--hc-text);
}

.landing-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 24px;
  border-radius: var(--hc-radius-md);
  font-size: 0.875rem;
  font-weight: 600;
  border: 1px solid transparent;
  transition: transform 0.15s ease, opacity 0.15s ease;
}

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

.landing-btn--primary {
  background: var(--hc-accent-gradient);
  color: var(--hc-text);
}

.landing-btn--ghost {
  background: transparent;
  border-color: var(--hc-violet);
  color: var(--hc-violet);
}

.landing-btn--ghost:hover {
  background: rgba(139, 92, 246, 0.08);
}

.landing-hero {
  padding: 80px 0 96px;
}

.landing-hero__grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 64px;
  align-items: center;
}

.landing-hero__copy {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.landing-badge {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--hc-border);
  background: rgba(139, 92, 246, 0.2);
  color: var(--hc-violet);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.12em;
}

.landing-hero__title {
  margin: 0;
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  line-height: 1.1;
  font-weight: 700;
}

.landing-hero__lead {
  margin: 0;
  font-size: 1.125rem;
  color: var(--hc-text-muted);
  line-height: 1.6;
  max-width: 38rem;
}

.landing-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.landing-hero__note {
  margin: 0;
  font-size: 0.8125rem;
  color: var(--hc-text-dim);
}

.landing-phone {
  width: min(100%, 390px);
  margin-inline: auto;
  padding: 24px;
  border-radius: 32px;
  border: 2px solid var(--hc-magenta);
  background: var(--hc-bg);
  box-shadow: 0 16px 48px rgba(139, 92, 246, 0.5);
}

.landing-phone__header {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 16px;
}

.landing-phone__title {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--hc-violet);
}

.landing-phone__subtitle {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--hc-text-muted);
}

.landing-phone--preview {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.landing-phone__player {
  overflow: hidden;
  border-radius: var(--hc-radius-xl);
  border: 2px solid var(--hc-magenta);
  background: #000;
  box-shadow: var(--hc-shadow-glow);
}

.landing-preview-video,
.landing-demo-video {
  display: block;
  width: 100%;
  aspect-ratio: 9 / 16;
  object-fit: cover;
  background: #000;
}

.landing-phone__status {
  align-self: center;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--hc-border);
  background: rgba(139, 92, 246, 0.15);
  color: var(--hc-violet);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.landing-demo {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 360px);
  gap: 48px;
  align-items: center;
}

.landing-demo__copy {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.landing-demo__copy .landing-prompt-box {
  margin-top: 8px;
}

.landing-demo__media {
  display: flex;
  justify-content: center;
}

.landing-demo-phone {
  width: min(100%, 320px);
  padding: 16px;
  border-radius: 28px;
  border: 2px solid var(--hc-border-active);
  background: var(--hc-bg-card);
  box-shadow: var(--hc-shadow-card);
}

.landing-demo-phone__chrome {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--hc-text);
}

.landing-demo-phone__badge {
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(217, 70, 239, 0.15);
  color: var(--hc-magenta);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.landing-demo-phone .landing-demo-video {
  border-radius: var(--hc-radius-lg);
}

.landing-trust {
  border-block: 1px solid var(--hc-border);
  background: var(--hc-bg-elevated);
}

.landing-trust__inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 24px 48px;
  padding: 24px 0;
}

.landing-trust__inner span {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--hc-text-dim);
}

.landing-section {
  padding: 96px 0;
}

.landing-section--elevated {
  background: var(--hc-bg-elevated);
}

.landing-section__header {
  max-width: 720px;
  margin: 0 auto 48px;
  text-align: center;
}

.landing-section__eyebrow {
  margin: 0 0 12px;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--hc-violet);
}

.landing-section__eyebrow--electric {
  color: var(--hc-electric);
}

.landing-section__eyebrow--magenta {
  color: var(--hc-magenta);
}

.landing-section__title {
  margin: 0 0 12px;
  font-size: clamp(2rem, 3vw, 2.5rem);
  line-height: 1.2;
  font-weight: 700;
}

.landing-section__lead {
  margin: 0;
  color: var(--hc-text-muted);
  font-size: 1rem;
  line-height: 1.5;
}

.landing-features {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
}

.landing-feature-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px;
  border-radius: var(--hc-radius-lg);
  border: 1px solid var(--hc-border);
  background: var(--hc-bg-card);
}

.landing-feature-card__icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(139, 92, 246, 0.2);
}

.landing-feature-card h3 {
  margin: 0;
  font-size: 1.125rem;
}

.landing-feature-card p {
  margin: 0;
  color: var(--hc-text-muted);
  font-size: 0.875rem;
  line-height: 1.5;
}

.landing-steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
}

.landing-step {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 24px;
  border-radius: var(--hc-radius-lg);
  border: 1px solid var(--hc-border);
  background: var(--hc-bg-card);
}

.landing-step__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(59, 130, 246, 0.2);
  color: var(--hc-electric);
  font-size: 0.875rem;
  font-weight: 700;
}

.landing-step h3 {
  margin: 0;
  font-size: 1.125rem;
}

.landing-step p {
  margin: 0;
  color: var(--hc-text-muted);
  font-size: 0.875rem;
  line-height: 1.5;
}

.landing-demo__quote {
  margin: 0;
  font-size: clamp(1.75rem, 2.5vw, 2rem);
  line-height: 1.3;
  font-weight: 700;
}

.landing-prompt-box {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px;
  border-radius: var(--hc-radius-lg);
  border: 1px solid var(--hc-border-active);
  background: var(--hc-bg-card);
}

.landing-prompt-box__label {
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--hc-text-dim);
}

.landing-prompt-box__user {
  margin: 0;
  font-size: 1rem;
}

.landing-prompt-box__chain {
  margin: 0;
  font-size: 0.8125rem;
  line-height: 1.5;
  color: var(--hc-violet);
}

.landing-final-cta {
  padding: 80px 0;
  text-align: center;
  background:
    linear-gradient(180deg, rgba(18, 18, 31, 0) 0%, rgba(18, 18, 31, 0.95) 50%, rgba(139, 92, 246, 0.12) 100%);
}

.landing-final-cta h2 {
  margin: 0 0 24px;
  font-size: clamp(2rem, 3vw, 2.75rem);
}

.landing-final-cta p {
  max-width: 640px;
  margin: 0 auto 24px;
  color: var(--hc-text-muted);
  line-height: 1.5;
}

.landing-final-cta__actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 16px;
}

.landing-footer {
  border-top: 1px solid var(--hc-border);
  padding: 32px 0;
}

.landing-footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px 24px;
}

.landing-footer__brand {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.landing-footer__brand-row {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.landing-footer__logo {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  object-fit: cover;
}

.landing-footer__brand strong {
  font-size: 0.875rem;
}

.landing-footer__brand span {
  font-size: 0.8125rem;
  color: var(--hc-text-dim);
}

.landing-footer__links {
  display: flex;
  gap: 24px;
}

.landing-footer__links a {
  font-size: 0.8125rem;
  color: var(--hc-text-muted);
}

.landing-footer__links a:hover {
  color: var(--hc-text);
}

.landing-footer__copy {
  font-size: 0.75rem;
  color: var(--hc-text-dim);
}

@media (max-width: 1100px) {
  .landing-features,
  .landing-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .landing-hero__grid,
  .landing-demo {
    grid-template-columns: 1fr;
  }

  .landing-nav__links {
    display: none;
  }

  .landing-hero {
    padding-top: 48px;
  }
}

@media (max-width: 640px) {
  .landing-container {
    width: min(100% - 32px, 1280px);
  }

  .landing-features,
  .landing-steps {
    grid-template-columns: 1fr;
  }

  .landing-section {
    padding: 64px 0;
  }

  .landing-hero__actions,
  .landing-final-cta__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .landing-btn {
    width: 100%;
  }
}