.float-cta {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 200;
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--color-text);
  color: var(--color-bg);
  padding: 14px 24px;
  border-radius: 50px;
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.04em;
  box-shadow: var(--shadow);
  transition: background 0.25s, transform 0.2s;
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
}

.float-cta.show {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.float-cta:hover {
  background: var(--color-primary);
  transform: translateY(-2px);
}

.float-cta-dot {
  width: 8px;
  height: 8px;
  background: var(--color-secondary);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

.float-cta:hover .float-cta-dot {
  background: var(--color-bg);
}

.hero {
  padding: 3.5rem 0 3.5rem;
  border-bottom: 0.5px solid var(--border-color);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 4rem;
  align-items: center;
}

.hero-grid-single {
  grid-template-columns: 1fr;
  max-width: 860px;
}

.hero-grid-single .hero-desc {
  max-width: 680px;
}

.hero-grid-single h1 {
  font-size: clamp(2.4rem, 4vw, 3.5rem);
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 2rem;
}

.hero-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-text-muted);
  border: 0.5px solid var(--border-color);
  background: color-mix(in srgb, var(--color-bg) 40%, transparent);
  padding: 5px 12px;
  letter-spacing: 0.03em;
}

.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-primary);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 1.5rem;
}

.hero-eyebrow::before {
  content: '';
  width: 32px;
  height: 0.5px;
  background: var(--color-primary);
}

.hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(2.6rem, 4.5vw, 3.9rem);
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: 0.04em;
  color: var(--color-text);
  margin-bottom: 1.75rem;
}

.hero h1 em {
  font-style: normal;
  color: var(--color-primary);
}

.hero-desc {
  font-size: 15.5px;
  line-height: 2;
  color: var(--color-text-muted);
  max-width: 540px;
  margin-bottom: 2.5rem;
  font-weight: 400;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--color-bg);
  background: var(--color-text);
  padding: 16px 32px;
  text-decoration: none;
  transition: background 0.25s, transform 0.18s;
}

.btn-primary:hover {
  background: var(--color-primary);
  transform: translateY(-2px);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--color-text-muted);
  text-decoration: none;
  letter-spacing: 0.04em;
  padding: 16px 4px;
  border-bottom: 0.5px solid var(--border-color);
  transition: color 0.2s, border-color 0.2s;
}

.btn-ghost:hover {
  color: var(--color-text);
  border-color: var(--color-primary);
}

.hero-portrait {
  position: relative;
}

.portrait-frame {
  position: relative;
  background: var(--color-text);
  padding: 0;
  overflow: hidden;
}

.portrait-img {
  aspect-ratio: 4/5;
  background: linear-gradient(160deg, var(--color-cta), var(--color-text));
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  color: var(--color-text-lighter);
  position: relative;
}

.portrait-img i {
  font-size: 3rem;
  opacity: 0.3;
  color: var(--color-secondary);
}

.portrait-placeholder-text {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  color: color-mix(in srgb, var(--color-primary) 50%, transparent);
  text-transform: uppercase;
}

.portrait-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, color-mix(in srgb, var(--color-text) 95%, transparent));
  padding: 2.5rem 1.75rem 1.5rem;
}

.portrait-name {
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 500;
  color: var(--color-bg);
  letter-spacing: 0.04em;
  line-height: 1.4;
}

.portrait-role {
  font-family: var(--font-serif);
  font-size: 13px;
  font-style: normal;
  color: var(--color-secondary);
  margin-top: 4px;
}

.portrait-deco {
  position: absolute;
  top: -14px;
  right: -14px;
  width: 80px;
  height: 80px;
  border-top: 1px solid var(--color-primary);
  border-right: 1px solid var(--color-primary);
  opacity: 0.5;
}

.portrait-deco-2 {
  position: absolute;
  bottom: -14px;
  left: -14px;
  width: 80px;
  height: 80px;
  border-bottom: 1px solid var(--color-primary);
  border-left: 1px solid var(--color-primary);
  opacity: 0.5;
}

.stats-bar {
  background: var(--color-text);
  color: var(--color-bg);
}

.stats-grid {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 2.5rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.stat-cell {
  padding: 2.75rem 1.5rem;
  border-right: 0.5px solid var(--border-color-light);
  text-align: center;
}

.stat-cell:last-child {
  border-right: none;
}

.stat-num {
  font-family: var(--font-serif);
  font-size: 3rem;
  font-weight: 400;
  line-height: 1;
  color: var(--color-bg);
}

.stat-num span {
  color: var(--color-secondary);
  font-size: 1.5rem;
}

.stat-label {
  font-size: 12.5px;
  color: var(--color-text-on-dark);
  margin-top: 0.6rem;
  letter-spacing: 0.04em;
}

section.block {
  padding: 4.5rem 0;
}

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 2.5rem;
}

.section-head {
  margin-bottom: 2.5rem;
}

.section-head.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: end;
}

.section-eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-primary);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 10px;
}

.section-eyebrow::before {
  content: '';
  width: 24px;
  height: 0.5px;
  background: var(--color-primary);
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.9rem, 3vw, 2.6rem);
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--color-text);
  line-height: 1.35;
}

.section-intro {
  font-size: 14.5px;
  line-height: 2;
  color: var(--color-text-lighter);
}

.about {
  background: var(--color-surface);
  border-top: 0.5px solid var(--border-color);
  border-bottom: 0.5px solid var(--border-color);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 4rem;
  align-items: start;
}

.about-creds {
  margin-top: 1.5rem;
}

.cred {
  display: flex;
  gap: 12px;
  padding: 13px 0;
  border-bottom: 0.5px solid var(--border-color);
  font-size: 13px;
  color: var(--color-text-muted);
  line-height: 1.75;
}

.cred:last-child {
  border-bottom: none;
}

.cred i {
  color: var(--color-primary);
  font-size: 16px;
  flex-shrink: 0;
  margin-top: 3px;
}

.about-body h3 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: 1.5rem;
  letter-spacing: 0.02em;
  line-height: 1.65;
}

.about-body p {
  font-size: 15px;
  line-height: 2.1;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
}

.about-quote {
  font-family: var(--font-serif);
  font-style: normal;
  font-size: 1.05rem;
  color: var(--color-text-dark);
  line-height: 1.9;
  padding: 1.25rem 0 1.25rem 1.5rem;
  border-left: 2px solid var(--color-primary);
  margin: 2rem 0;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 0.5px solid var(--border-color);
  border-left: 0.5px solid var(--border-color);
}

.service-card {
  padding: 2.5rem 2rem;
  border-right: 0.5px solid var(--border-color);
  border-bottom: 0.5px solid var(--border-color);
  background: var(--color-bg);
  transition: background 0.3s;
  position: relative;
}

.service-card:hover {
  background: var(--color-surface-hover);
}

.service-card:hover .service-num {
  color: var(--color-primary);
}

.service-num {
  font-family: var(--font-serif);
  font-size: 14px;
  color: var(--color-text-lighter);
  letter-spacing: 0.1em;
  transition: color 0.3s;
}

.service-name {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 500;
  color: var(--color-text);
  margin: 1.25rem 0 1rem;
  letter-spacing: 0.03em;
}

.service-desc {
  font-size: 13.5px;
  line-height: 1.95;
  color: var(--color-text-lighter);
  min-height: 5.5rem;
}

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 1.25rem;
}

.service-tag {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--color-text-muted);
  background: var(--color-surface);
  padding: 4px 9px;
  letter-spacing: 0.02em;
}

.scenarios {
  background: var(--color-text);
  color: var(--color-bg);
}

.scenarios .section-eyebrow {
  color: var(--color-secondary);
}

.scenarios .section-title {
  color: var(--color-bg);
}

.scenarios .section-intro {
  color: var(--color-text-on-dark);
}

.scenarios-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.scenario-card {
  border: 0.5px solid var(--border-color-light);
  background: var(--color-surface-on-dark-3);
  padding: 2rem 1.75rem;
  transition: background 0.3s, border-color 0.3s;
  cursor: default;
}

.scenario-card:hover {
  background: var(--color-surface-on-dark-6);
  border-color: var(--color-primary-40);
}

.scenario-badge {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--color-secondary);
  border: 0.5px solid var(--color-primary-40);
  padding: 4px 10px;
  letter-spacing: 0.08em;
}

.scenario-title {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--color-bg);
  margin: 1.25rem 0 0.75rem;
  letter-spacing: 0.02em;
  line-height: 1.5;
}

.scenario-desc {
  font-size: 13px;
  line-height: 1.9;
  color: var(--color-text-on-dark-muted);
}

.scenario-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 1.25rem;
  font-size: 12.5px;
  color: var(--color-secondary);
  text-decoration: none;
  letter-spacing: 0.04em;
  transition: gap 0.2s;
}

.scenario-link:hover {
  gap: 12px;
}

.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.case-card {
  border: 0.5px solid var(--border-color);
  background: var(--color-bg);
  padding: 2rem 1.75rem;
  transition: transform 0.25s, box-shadow 0.25s;
}

.case-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.case-card-link {
  display: block;
  text-decoration: none;
  border-color: var(--color-primary-45);
}

.case-card-link:hover {
  border-color: var(--color-primary);
}

.case-type {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--color-primary);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.case-title {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--color-text);
  line-height: 1.6;
  margin-bottom: 0.85rem;
}

.case-desc {
  font-size: 13px;
  line-height: 1.9;
  color: var(--color-text-lighter);
}

.case-outcome {
  display: inline-block;
  margin-top: 1.25rem;
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--color-primary);
  border: 0.5px solid var(--color-primary-40);
  padding: 4px 11px;
  letter-spacing: 0.06em;
}

.cases-note {
  text-align: center;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-text-lighter);
  letter-spacing: 0.03em;
  margin-top: 2.5rem;
  line-height: 1.8;
}

.models {
  background: var(--color-surface);
  border-top: 0.5px solid var(--border-color);
  border-bottom: 0.5px solid var(--border-color);
}

.models-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 2rem;
}

.model-feature {
  background: var(--color-bg);
  border: 0.5px solid var(--border-color);
  padding: 2.5rem;
}

.model-feature-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-primary);
  background: var(--color-accent);
  padding: 5px 12px;
  letter-spacing: 0.06em;
  margin-bottom: 1.5rem;
}

.model-feature h3 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: 1.25rem;
  letter-spacing: 0.03em;
}

.model-feature p {
  font-size: 14px;
  line-height: 2;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
}

.model-q {
  background: var(--color-surface);
  padding: 14px 18px;
  font-size: 13.5px;
  color: var(--color-text-dark);
  margin-bottom: 10px;
  line-height: 1.6;
  border-left: 2px solid var(--color-primary);
}

.model-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  align-content: start;
}

.model-item {
  background: var(--color-bg);
  border: 0.5px solid var(--border-color);
  padding: 1.75rem;
  transition: border-color 0.25s;
}

.model-item:hover {
  border-color: var(--color-primary);
}

.model-item h4 {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: 0.75rem;
  letter-spacing: 0.02em;
}

.model-item p {
  font-size: 12.5px;
  line-height: 1.85;
  color: var(--color-text-lighter);
}

.research-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.article-card {
  border: 0.5px solid var(--border-color);
  background: var(--color-bg);
  padding: 2.25rem 2rem;
  text-decoration: none;
  display: block;
  transition: background 0.25s, transform 0.25s;
}

.article-card:hover {
  background: var(--color-surface-hover);
  transform: translateY(-2px);
}

.article-meta {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--color-primary);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
  display: flex;
  justify-content: space-between;
}

.article-meta .date {
  color: var(--color-text-lighter);
}

.article-card h3 {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 500;
  color: var(--color-text);
  line-height: 1.55;
  margin-bottom: 1rem;
  letter-spacing: 0.02em;
}

.article-card p {
  font-size: 13.5px;
  line-height: 1.9;
  color: var(--color-text-lighter);
}

.article-read {
  margin-top: 1.5rem;
  font-size: 12.5px;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  gap: 6px;
}

.process {
  background: var(--color-text);
  color: var(--color-bg);
}

.process .section-eyebrow {
  color: var(--color-secondary);
}

.process .section-title {
  color: var(--color-bg);
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
}

.pstep {
  padding: 0 1.5rem;
  border-left: 0.5px solid var(--border-color-light);
  position: relative;
}

.pstep:first-child {
  padding-left: 0;
  border-left: none;
}

.pstep-num {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  color: var(--color-secondary);
  line-height: 1;
  margin-bottom: 1.25rem;
}

.pstep h4 {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--color-bg);
  margin-bottom: 0.75rem;
  letter-spacing: 0.02em;
}

.pstep p {
  font-size: 12.5px;
  line-height: 1.85;
  color: var(--color-text-on-dark-muted);
}

.contact-card {
  background: var(--color-text);
  color: var(--color-bg);
  padding: 4rem;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 4rem;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.contact-card::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 400px;
  height: 400px;
  border: 1px solid var(--color-primary-15);
  border-radius: 50%;
}

.contact-card::after {
  content: '';
  position: absolute;
  top: -30%;
  right: 0%;
  width: 300px;
  height: 300px;
  border: 1px solid var(--color-primary-10);
  border-radius: 50%;
}

.contact-left {
  position: relative;
  z-index: 1;
}

.contact-eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-secondary);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
}

.contact-card h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 2.8vw, 2.5rem);
  font-weight: 500;
  line-height: 1.45;
  color: var(--color-bg);
  letter-spacing: 0.03em;
  margin-bottom: 1.5rem;
}

.contact-card h2 em {
  font-style: normal;
  color: var(--color-secondary);
}

.contact-card .lead {
  font-size: 14.5px;
  line-height: 2;
  color: color-mix(in srgb, var(--color-bg) 60%, transparent);
  margin-bottom: 2rem;
  max-width: 460px;
}

.contact-assure {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.assure-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--color-text-on-dark-75);
}

.assure-item i {
  color: var(--color-secondary);
  font-size: 16px;
}

.contact-right {
  position: relative;
  z-index: 1;
}

.contact-box {
  background: var(--color-surface-on-dark-6);
  border: 0.5px solid var(--color-primary-30);
  padding: 2.25rem;
}

.contact-box h3 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--color-bg);
  margin-bottom: 1.75rem;
  letter-spacing: 0.03em;
}

.contact-row {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 0.5px solid var(--border-color-light);
}

.contact-row:last-of-type {
  border-bottom: none;
}

.contact-row i {
  color: var(--color-secondary);
  font-size: 18px;
  width: 24px;
  flex-shrink: 0;
}

.contact-row .label {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--color-text-on-dark-faint);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.contact-row .value {
  font-size: 14px;
  color: var(--color-bg);
  margin-top: 1px;
}

.contact-submit {
  display: block;
  width: 100%;
  text-align: center;
  background: var(--color-primary);
  color: var(--color-text);
  font-family: var(--font-serif);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.06em;
  padding: 16px;
  text-decoration: none;
  margin-top: 1.75rem;
  transition: background 0.25s;
}

.contact-submit:hover {
  background: var(--color-secondary);
}

.disclaimer {
  text-align: center;
  font-size: 12px;
  line-height: 1.9;
  color: var(--color-text-lighter);
  margin-top: 2.5rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.hero-grid > * > * {
  animation: fadeUp 0.8s ease both;
}

.hero-eyebrow {
  animation-delay: 0.05s;
}

.hero h1 {
  animation-delay: 0.15s;
}

.hero-desc {
  animation-delay: 0.25s;
}

.hero-actions {
  animation-delay: 0.35s;
}

.hero-portrait {
  animation: fadeUp 0.9s 0.3s ease both;
}

@media (max-width: 980px) {
  .container, .stats-grid {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .hero-portrait {
    max-width: 380px;
    margin: 0 auto;
  }
  .stats-grid {
    grid-template-columns: 1fr;
  }
  .stat-cell {
    border-right: none;
    border-bottom: 0.5px solid var(--border-color-light);
  }
  .stat-cell:last-child {
    border-bottom: none;
  }
  .section-head.split {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .about-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .services-grid {
    grid-template-columns: 1fr;
  }
  .scenarios-grid {
    grid-template-columns: 1fr;
  }
  .cases-grid {
    grid-template-columns: 1fr;
  }
  .models-grid {
    grid-template-columns: 1fr;
  }
  .model-list {
    grid-template-columns: 1fr;
  }
  .research-grid {
    grid-template-columns: 1fr;
  }
  .process-steps {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .pstep {
    padding-left: 0;
    border-left: none;
    border-top: 0.5px solid var(--border-color-light);
    padding-top: 1.5rem;
  }
  .pstep:first-child {
    border-top: none;
    padding-top: 0;
  }
  .contact-card {
    grid-template-columns: 1fr;
    gap: 2.5rem;
    padding: 2.5rem;
  }
  section.block {
    padding: 3rem 0;
  }
  .float-cta {
    bottom: 1.25rem;
    right: 1.25rem;
    padding: 12px 20px;
  }
}