.landing-screen {
  min-height: 100dvh;
  background:
    radial-gradient(circle at 85% 4%, rgba(5, 150, 105, .13), transparent 28rem),
    radial-gradient(circle at 8% 20%, rgba(56, 189, 248, .08), transparent 26rem),
    #0b1324;
  color: var(--color-text);
}

.marketing-header {
  position: sticky;
  z-index: 80;
  top: 0;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
  background: rgba(11, 19, 36, .86);
  backdrop-filter: blur(18px);
}

.marketing-nav,
.marketing-hero,
.trust-strip,
.marketing-section,
.download-panel,
.marketing-footer {
  width: min(1180px, calc(100% - 40px));
  margin-inline: auto;
}

.marketing-nav {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.marketing-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--color-foreground);
  text-decoration: none;
}

.marketing-brand strong,
.marketing-brand small {
  display: block;
}

.marketing-brand strong { letter-spacing: -.02em; }
.marketing-brand small { margin-top: 2px; color: var(--color-text-muted); font-size: .7rem; }
.marketing-links { display: flex; align-items: center; gap: 26px; }
.marketing-section-link { color: var(--color-text-muted); text-decoration: none; font-size: .9rem; }
.marketing-section-link:hover { color: var(--color-foreground); }
.marketing-login { min-height: 40px; padding: 8px 15px; text-decoration: none; }

.marketing-hero {
  min-height: 650px;
  display: grid;
  grid-template-columns: minmax(0, .92fr) minmax(480px, 1.08fr);
  align-items: center;
  gap: clamp(50px, 7vw, 92px);
  padding-block: 92px 78px;
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 20px;
  color: #a7f3d0;
  font: 650 .78rem/1.4 "Fira Code", Consolas, monospace;
  letter-spacing: .06em;
}

.hero-kicker span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #34d399;
  box-shadow: 0 0 0 5px rgba(52, 211, 153, .11);
}

.hero-copy h1 {
  max-width: 680px;
  margin-bottom: 24px;
  font-size: clamp(2.65rem, 5.5vw, 4.8rem);
  line-height: 1.07;
  letter-spacing: -.055em;
}

.hero-lead {
  max-width: 650px;
  margin-bottom: 30px;
  color: #b8c6d9;
  font-size: clamp(1rem, 1.4vw, 1.12rem);
  line-height: 1.85;
}

.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; }
.hero-actions .button { text-decoration: none; }
.download-button { min-height: 48px; padding-inline: 20px; text-decoration: none; }
.download-button.is-disabled { opacity: .55; pointer-events: none; }
.release-note { min-height: 1.4em; margin: 14px 0 0; color: var(--color-text-muted); font-size: .78rem; }

.tunnel-preview {
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 20px;
  background: rgba(15, 27, 49, .88);
  box-shadow: 0 26px 70px rgba(0, 0, 0, .3);
}

.preview-toolbar {
  min-height: 46px;
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 0 18px;
  border-bottom: 1px solid var(--color-border);
  background: rgba(255, 255, 255, .025);
}

.preview-toolbar > span { width: 8px; height: 8px; border-radius: 50%; background: #475569; }
.preview-toolbar > span:first-child { background: #f87171; }
.preview-toolbar > span:nth-child(2) { background: #fbbf24; }
.preview-toolbar > span:nth-child(3) { background: #34d399; }
.preview-toolbar strong { margin-left: auto; color: var(--color-text-muted); font: 500 .72rem "Fira Code", Consolas, monospace; }
.preview-address { min-height: 48px; display: flex; align-items: center; gap: 10px; margin: 20px; padding: 0 14px; border: 1px solid var(--color-border); border-radius: 9px; background: rgba(2, 6, 23, .36); font: .72rem "Fira Code", Consolas, monospace; }
.preview-address > span:nth-child(2) { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.preview-address strong { margin-left: auto; color: #a7f3d0; font-size: .68rem; }
.preview-flow { display: grid; grid-template-columns: 1fr 42px 1fr 42px 1fr; align-items: center; gap: 4px; padding: 20px 20px 34px; }
.preview-flow article { min-width: 0; display: grid; place-items: center; gap: 12px; text-align: center; }
.preview-flow small, .preview-flow strong { display: block; }
.preview-flow small { margin-bottom: 5px; color: var(--color-text-muted); font-size: .7rem; }
.preview-flow strong { overflow: hidden; text-overflow: ellipsis; color: var(--color-foreground); font: 600 .7rem "Fira Code", Consolas, monospace; white-space: nowrap; }
.preview-icon { width: 48px; height: 48px; display: grid; place-items: center; border: 1px solid rgba(125, 211, 252, .2); border-radius: 13px; background: rgba(30, 58, 95, .55); color: #7dd3fc; }
.preview-icon.accent { border-color: rgba(52, 211, 153, .25); background: rgba(5, 150, 105, .18); color: #6ee7b7; }
.flow-line { height: 1px; background: rgba(125, 211, 252, .25); position: relative; }
.flow-line i { position: absolute; top: -3px; right: 0; width: 7px; height: 7px; border-radius: 50%; background: #34d399; box-shadow: 0 0 12px #34d399; }
.preview-stats { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--color-border); background: rgba(2, 6, 23, .2); }
.preview-stats div { padding: 17px 16px; border-right: 1px solid var(--color-border); }
.preview-stats div:last-child { border-right: 0; }
.preview-stats small, .preview-stats strong { display: block; }
.preview-stats small { margin-bottom: 7px; color: var(--color-text-muted); font-size: .68rem; }
.preview-stats strong { color: var(--color-foreground); font-size: .78rem; }
.preview-stats .status-dot { margin-right: 5px; }

.trust-strip {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 16px 24px;
  border-block: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: .8rem;
}
.trust-strip i { width: 3px; height: 3px; flex: 0 0 auto; border-radius: 50%; background: #34d399; }

.marketing-section { padding-block: 112px; }
.section-heading { max-width: 680px; margin-bottom: 44px; }
.section-heading.compact { margin-bottom: 34px; }
.section-heading h2, .download-panel h2 { margin-bottom: 16px; font-size: clamp(2rem, 4vw, 3.1rem); line-height: 1.15; letter-spacing: -.045em; }
.section-heading > p:last-child, .download-panel > div > p:last-child { color: var(--color-text-muted); line-height: 1.75; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.feature-card { min-height: 250px; padding: 28px; border: 1px solid var(--color-border); border-radius: 16px; background: rgba(18, 29, 50, .66); }
.feature-number { color: #6ee7b7; font: 600 .72rem "Fira Code", Consolas, monospace; }
.feature-card h3 { margin: 56px 0 13px; font-size: 1.25rem; }
.feature-card p { margin: 0; color: var(--color-text-muted); line-height: 1.7; }

.workflow-section { display: grid; grid-template-columns: minmax(280px, .75fr) minmax(0, 1.25fr); gap: 72px; border-top: 1px solid var(--color-border); }
.workflow-list { display: grid; gap: 0; margin: 0; padding: 0; list-style: none; }
.workflow-list li { display: grid; grid-template-columns: 52px 1fr; gap: 20px; padding: 24px 0; border-bottom: 1px solid var(--color-border); }
.workflow-list li > span { width: 40px; height: 40px; display: grid; place-items: center; border: 1px solid rgba(52, 211, 153, .3); border-radius: 50%; color: #6ee7b7; font: 600 .78rem "Fira Code", Consolas, monospace; }
.workflow-list h3 { margin-bottom: 8px; font-size: 1.05rem; }
.workflow-list p { margin: 0; color: var(--color-text-muted); line-height: 1.65; }

.download-panel { display: grid; grid-template-columns: minmax(0, 1fr) minmax(370px, .72fr); align-items: center; gap: 60px; margin-bottom: 90px; padding: clamp(30px, 5vw, 54px); border: 1px solid rgba(52, 211, 153, .24); border-radius: 20px; background: rgba(5, 150, 105, .075); }
.download-details { min-width: 0; display: grid; gap: 20px; }
.download-details .button { justify-self: start; }
.download-details dl { display: grid; gap: 9px; margin: 0; }
.download-details dl div { min-width: 0; display: grid; grid-template-columns: 70px minmax(0, 1fr); gap: 12px; }
.download-details dt { color: var(--color-text-muted); font-size: .76rem; }
.download-details dd { min-width: 0; margin: 0; overflow: hidden; text-overflow: ellipsis; color: var(--color-foreground); font: .72rem "Fira Code", Consolas, monospace; white-space: nowrap; }

.marketing-footer { min-height: 120px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 24px; border-top: 1px solid var(--color-border); }
.marketing-footer p { margin: 0; color: var(--color-text-muted); font-size: .82rem; }
.marketing-footer > a:last-child { justify-self: end; color: #a7f3d0; font-size: .82rem; text-decoration: none; }
.auth-back { display: inline-block; margin-top: 24px; color: var(--color-text-muted); font-size: .84rem; text-decoration: none; }
.auth-back:hover { color: var(--color-foreground); }

@media (max-width: 960px) {
  .marketing-hero { grid-template-columns: 1fr; padding-top: 70px; }
  .hero-copy { max-width: 760px; }
  .tunnel-preview { max-width: 720px; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-card { min-height: 0; }
  .feature-card h3 { margin-top: 30px; }
  .workflow-section { grid-template-columns: 1fr; gap: 16px; }
  .download-panel { grid-template-columns: 1fr; gap: 28px; }
}

@media (max-width: 680px) {
  .marketing-nav, .marketing-hero, .trust-strip, .marketing-section, .download-panel, .marketing-footer { width: min(100% - 28px, 1180px); }
  .marketing-nav { min-height: 68px; }
  .marketing-brand small, .marketing-section-link { display: none; }
  .marketing-links { gap: 8px; }
  .marketing-login { min-height: 38px; padding-inline: 12px; font-size: .82rem; }
  .marketing-hero { min-height: 0; gap: 48px; padding-block: 60px; }
  .hero-copy h1 { font-size: clamp(2.35rem, 12.5vw, 3.8rem); }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .hero-actions .button { width: 100%; }
  .preview-flow { grid-template-columns: 1fr; gap: 12px; }
  .flow-line { width: 1px; height: 24px; margin: 0 auto; }
  .flow-line i { top: auto; right: -3px; bottom: 0; }
  .preview-stats { grid-template-columns: 1fr; }
  .preview-stats div { border-right: 0; border-bottom: 1px solid var(--color-border); }
  .preview-stats div:last-child { border-bottom: 0; }
  .trust-strip { justify-content: center; flex-wrap: wrap; }
  .trust-strip i { display: none; }
  .marketing-section { padding-block: 78px; }
  .workflow-list li { grid-template-columns: 42px 1fr; gap: 12px; }
  .download-panel { margin-bottom: 54px; }
  .download-details .button { width: 100%; }
  .marketing-footer { grid-template-columns: 1fr auto; padding-block: 24px; }
  .marketing-footer p { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .landing-screen * { scroll-behavior: auto !important; }
}