.landing-hero {
  padding: clamp(2.5rem, 6vw, 4rem) clamp(1.5rem, 4vw, 2.5rem);
  margin-bottom: 0;
  border: none;
  box-shadow: none;
  border-radius: 0;
  min-height: clamp(420px, 72vh, 640px);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-fiu {
  animation: fadeInUp 0.75s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.hero-fiu-1 { animation-delay: 0.05s; }
.hero-fiu-2 { animation-delay: 0.12s; }
.hero-fiu-3 { animation-delay: 0.2s; }
.hero-fiu-4 { animation-delay: 0.28s; }
.hero-fiu-5 { animation-delay: 0.36s; }

.landing-scroll-cue {
  position: absolute;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-dim);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  z-index: 2;
}

.landing-scroll-cue::after {
  content: '';
  width: 1px;
  height: 2.5rem;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
  0% { opacity: 0; transform: scaleY(0); transform-origin: top; }
  50% { opacity: 1; transform: scaleY(1); }
  100% { opacity: 0; transform: scaleY(0); transform-origin: bottom; }
}

.landing-marquee {
  width: 100vw;
  margin-left: calc(50% - 50vw);
  overflow: hidden;
  padding: 1rem 0;
  background: rgba(255, 255, 255, 0.55);
  backdrop-filter: blur(8px);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin-bottom: 0;
}

.landing-marquee-track {
  display: flex;
  white-space: nowrap;
  animation: scrollMarquee 28s linear infinite;
}

.landing-marquee-track span {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  padding-right: 0;
}

@keyframes scrollMarquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.landing-hero-inner {
  max-width: var(--max-width-wide);
  margin: 0 auto;
}

.landing-brand {
  margin-bottom: 1rem;
}

.landing-lead {
  font-size: 1.1rem;
  color: var(--muted);
  max-width: 58ch;
  margin: 0 0 0.5rem;
  line-height: 1.65;
}

.landing-hero-cta {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.landing-subline {
  margin: 0;
  font-size: 0.875rem;
  color: var(--text-dim);
}

.btn-lg {
  padding: 0.95rem 1.75rem;
  font-size: 1.05rem;
}

.landing-section {
  max-width: var(--max-width-wide);
  margin: 0 auto;
  padding: 3.5rem 0;
}

.landing-note {
  color: var(--muted);
  font-size: 0.925rem;
  max-width: 60ch;
}

.landing-section-intro {
  color: var(--muted);
  max-width: 62ch;
  margin-bottom: 1.5rem;
  line-height: 1.65;
}

.landing-scenario-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.landing-scenario h3 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
  font-weight: 700;
}

.landing-scenario p {
  margin: 0;
  color: var(--muted);
  font-size: 0.925rem;
  line-height: 1.6;
}

.landing-scenario::after,
.landing-method-card::after {
  content: '';
  position: absolute;
  width: 140px;
  height: 140px;
  top: -50px;
  right: -50px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(13, 148, 136, 0.22) 0%, transparent 70%);
  transition: transform var(--transition-smooth);
  pointer-events: none;
}

.landing-scenario:hover::after,
.landing-method-card:hover::after {
  transform: scale(1.4);
}

.landing-timeline {
  position: relative;
  padding-left: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.landing-timeline::before {
  content: '';
  position: absolute;
  left: 0.45rem;
  top: 0.5rem;
  bottom: 0.5rem;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent), var(--accent-2), var(--border));
  border-radius: 2px;
}

.landing-timeline-item {
  position: relative;
  padding: 0 0 2rem;
}

.landing-timeline-item:last-child {
  padding-bottom: 0;
}

.landing-timeline-dot {
  position: absolute;
  left: -1.65rem;
  top: 1.25rem;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--glow-teal);
  border: 2px solid var(--bg);
}

.landing-timeline-body {
  margin: 0;
}

.landing-timeline-body h3 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
}

.landing-timeline-body p {
  margin: 0;
  color: var(--muted);
  font-size: 0.925rem;
  line-height: 1.6;
}

.landing-ladder-time {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.landing-author .author-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 2rem;
  align-items: start;
  margin-top: 1.5rem;
}

.author-photo {
  width: 200px;
  height: 200px;
  object-fit: cover;
  border-radius: 50%;
  border: 3px solid transparent;
  background: linear-gradient(var(--bg), var(--bg)) padding-box, var(--gradient-brand) border-box;
  box-shadow: 0 8px 32px var(--glow-teal), 0 0 0 6px rgba(13, 148, 136, 0.08);
}

.author-name {
  margin: 0 0 0.35rem;
  font-size: 1.35rem;
}

.author-role {
  margin: 0 0 1rem;
  color: var(--accent);
  font-weight: 600;
  font-size: 0.95rem;
}

.author-research {
  margin: 0 0 1.25rem;
  color: var(--muted);
  line-height: 1.65;
  font-size: 0.925rem;
}

.author-tg {
  display: inline-flex;
}

.landing-science {
  margin-top: 1.5rem;
}

.landing-science h3 {
  margin: 0 0 0.75rem;
  font-size: 1.05rem;
}

.landing-methods-list {
  margin: 0;
  padding-left: 1.25rem;
  color: var(--muted);
  line-height: 1.75;
  font-size: 0.925rem;
}

.landing-audience-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.landing-audience-for h3,
.landing-audience-not h3 {
  margin: 0 0 0.75rem;
  font-size: 1.05rem;
}

.landing-audience-for ul,
.landing-audience-not ul {
  margin: 0;
  padding-left: 1.15rem;
  color: var(--muted);
  line-height: 1.7;
  font-size: 0.925rem;
}

.landing-offer {
  text-align: center;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, var(--accent-glow) 0%, transparent 70%),
    var(--hero-gradient);
  border-radius: var(--radius);
  border: 1px solid transparent;
  background-clip: padding-box;
  position: relative;
  padding: 2.75rem 1.75rem;
  box-shadow: 0 12px 40px var(--glass-shadow);
}

.landing-offer::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius);
  padding: 1px;
  background: var(--gradient-brand);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.landing-offer h2 {
  margin: 0 0 1.25rem;
}

.landing-offer-list {
  list-style: none;
  padding: 0;
  margin: 0 auto;
  max-width: 420px;
  text-align: left;
}

.landing-offer-list li {
  position: relative;
  padding-left: 1.75rem;
  margin-bottom: 0.65rem;
  color: var(--text);
  line-height: 1.5;
}

.landing-offer-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  width: 1.25rem;
  height: 1.25rem;
  display: grid;
  place-items: center;
  border-radius: 50%;
  font-size: 0.7rem;
  color: #fff;
  background: var(--gradient-brand);
  font-weight: 700;
}

.landing-method-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.landing-method-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
  font-weight: 700;
}

.landing-method-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.925rem;
  line-height: 1.6;
}

.landing-steps {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.landing-steps li {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.landing-step-num {
  flex-shrink: 0;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 0.95rem;
}

.landing-steps p {
  margin: 0.25rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.landing-social-proof {
  margin-top: 1rem !important;
  font-size: 0.9rem;
}

.landing-faq-list {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.landing-faq-item {
  transition: border-color var(--transition-smooth), box-shadow var(--transition-smooth);
}

.landing-faq-item[open] {
  border-color: var(--border-accent);
  border-left: 3px solid var(--accent);
  box-shadow: 0 8px 24px var(--glass-shadow);
}

.landing-faq-item summary {
  cursor: pointer;
  font-weight: 600;
  padding: 0.25rem 0;
  list-style: none;
}

.landing-faq-item summary::-webkit-details-marker {
  display: none;
}

.landing-faq-item p {
  margin: 0.75rem 0 0.25rem;
  color: var(--muted);
  font-size: 0.925rem;
  line-height: 1.6;
}

.landing-final-cta {
  text-align: center;
  padding: 3rem 1rem 4rem;
}

.landing-final-cta p {
  color: var(--muted);
  margin-bottom: 1.25rem;
}

.landing-sticky-cta {
  display: block;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 0.75rem 1rem;
  background: var(--surface-glass);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--border);
  z-index: 90;
  transform: translateY(100%);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.landing-sticky-cta.is-visible {
  transform: translateY(0);
}

body.landing-page {
  padding-bottom: 0;
}

body.landing-page .main-content {
  width: min(100% - 2rem, var(--max-width-wide));
  padding-top: 0;
}

body.landing-page .site-header + .container,
body.landing-page .main-content {
  max-width: none;
  width: 100%;
}

body.landing-page .main-content > .landing-hero,
body.landing-page .main-content > .landing-marquee {
  width: 100vw;
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
}

body.landing-page .main-content > .landing-section,
body.landing-page .main-content > .disclaimer-box,
body.landing-page .main-content > .ds-divider {
  width: min(100% - 2rem, var(--max-width-wide));
  margin-left: auto;
  margin-right: auto;
}

@media (max-width: 720px) {
  .landing-scroll-cue {
    display: none;
  }

  body.landing-page {
    padding-bottom: 4.5rem;
  }

  body.landing-page.cookie-visible {
    padding-bottom: 7.5rem;
  }

  .landing-section {
    padding: 2.5rem 0;
  }

  .landing-author .author-card {
    grid-template-columns: 1fr;
    justify-items: center;
    text-align: center;
  }

  .author-tg {
    width: 100%;
    justify-content: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .landing-marquee-track,
  .landing-scroll-cue::after,
  .hero-fiu {
    animation: none;
  }

  .landing-sticky-cta {
    transform: translateY(0);
  }
}
