:root {
  --bg: #f4f7fb;
  --bg-alt: #edf2f8;
  --surface: #ffffff;
  --surface-soft: #f8fbff;
  --text: #0f172a;
  --muted: #52607a;
  --line: rgba(15, 23, 42, 0.12);
  --hero: #08121f;
  --hero-soft: #10253f;
  --accent: #12b5b0;
  --accent-strong: #0a8f8d;
  --warm: #ffb703;
  --cool: #4f8cff;
  --coral: #ff6b6b;
  --shadow: 0 18px 50px rgba(15, 23, 42, 0.08);
  --radius: 8px;
  --shell: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    linear-gradient(180deg, rgba(79, 140, 255, 0.06), transparent 180px),
    linear-gradient(90deg, rgba(18, 181, 176, 0.05), transparent 45%),
    var(--bg);
}

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

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

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

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 1000;
  padding: 0.75rem 1rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 999px;
}

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

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
  background: rgba(244, 247, 251, 0.82);
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
}

.topbar-inner {
  min-height: 4.75rem;
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  min-width: 0;
}

.brand-mark {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 8px;
  display: grid;
  place-items: center;
  color: #fff;
  font-weight: 800;
  letter-spacing: 0;
  background:
    linear-gradient(135deg, var(--accent), var(--cool) 55%, var(--warm));
  box-shadow: 0 10px 24px rgba(79, 140, 255, 0.24);
}

.brand-text {
  display: grid;
  gap: 0.12rem;
}

.brand-text strong {
  font-size: 1rem;
  line-height: 1.1;
}

.brand-text span {
  font-size: 0.86rem;
  color: var(--muted);
}

.nav {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-left: auto;
}

.nav a {
  color: var(--muted);
  font-size: 0.95rem;
}

.nav a:hover {
  color: var(--text);
}

.topbar-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.72rem 1rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: 0 6px 20px rgba(15, 23, 42, 0.04);
  white-space: nowrap;
}

.topbar-cta span {
  font-size: 0.92rem;
}

.hero {
  position: relative;
  padding: 2rem 0 2.5rem;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(115deg, rgba(8, 18, 31, 0.96), rgba(8, 18, 31, 0.84) 48%, rgba(8, 18, 31, 0.66)),
    linear-gradient(180deg, rgba(18, 181, 176, 0.12), rgba(255, 183, 3, 0.05));
  pointer-events: none;
}

.hero-grid {
  position: relative;
  z-index: 1;
  min-height: 86svh;
  display: grid;
  grid-template-columns: 1.02fr 0.98fr;
  gap: 2rem;
  align-items: center;
}

.hero-copy {
  color: #fff;
  padding: 1rem 0 1rem;
}

.eyebrow {
  margin: 0 0 1rem;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: rgba(255, 255, 255, 0.86);
  letter-spacing: 0;
  font-size: 0.92rem;
  text-transform: none;
}

.hero h1 {
  margin: 0;
  font-size: 4.4rem;
  line-height: 0.96;
  letter-spacing: 0;
}

.lede {
  max-width: 34rem;
  margin: 1.2rem 0 0;
  font-size: 1.15rem;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.86);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin: 1.6rem 0 1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.92rem 1.15rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  font-size: 0.98rem;
  line-height: 1;
  transition: transform 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}

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

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--cool));
  color: #fff;
  box-shadow: 0 12px 30px rgba(79, 140, 255, 0.22);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.18);
  color: #fff;
}

.mobile-hero-visual {
  display: none;
}

.hero-proof {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-bottom: 1.1rem;
  max-width: 36rem;
}

.hero-proof span {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.58rem 0.72rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.09);
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: rgba(255, 255, 255, 0.86);
  font-size: 0.9rem;
  line-height: 1;
}

.hero-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
  max-width: 34rem;
  margin: 0;
}

.hero-facts div {
  padding: 0.95rem 1rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
}

.hero-facts dt {
  margin-bottom: 0.35rem;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0;
  color: rgba(255, 255, 255, 0.62);
}

.hero-facts dd {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
}

.hero-art {
  position: relative;
  min-height: 34rem;
  display: flex;
  align-items: stretch;
  justify-content: flex-end;
}

.hero-art img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.4);
}

.hero-art-caption {
  position: absolute;
  left: 1.15rem;
  bottom: 1.15rem;
  max-width: 18rem;
  padding: 0.95rem 1rem;
  background: rgba(8, 18, 31, 0.76);
  color: #fff;
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(10px);
}

.hero-art-caption span {
  display: block;
  margin-bottom: 0.32rem;
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0;
  color: rgba(255, 255, 255, 0.68);
}

.hero-art-caption strong {
  font-size: 0.98rem;
  line-height: 1.4;
}

.signal-band {
  margin-top: -0.8rem;
  position: relative;
  z-index: 2;
}

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

.signal-item {
  display: flex;
  gap: 0.9rem;
  align-items: flex-start;
  padding: 1rem 1.1rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.signal-item p {
  margin: 0;
  line-height: 1.5;
  color: var(--muted);
}

.signal-kicker {
  flex: 0 0 auto;
  width: 2rem;
  height: 2rem;
  border-radius: 999px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--accent), var(--cool));
  color: #fff;
  font-weight: 700;
}

.section {
  padding: 4.5rem 0;
}

.section-alt {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.4), rgba(255, 255, 255, 0.75)),
    var(--bg-alt);
}

.section-head {
  max-width: 48rem;
  margin-bottom: 1.8rem;
}

.section-label {
  margin: 0 0 0.65rem;
  font-size: 0.79rem;
  text-transform: uppercase;
  letter-spacing: 0;
  color: var(--accent-strong);
  font-weight: 700;
}

.section-head h2 {
  margin: 0;
  font-size: 2.35rem;
  line-height: 1.1;
}

.section-head p {
  margin: 0.95rem 0 0;
  color: var(--muted);
  line-height: 1.7;
  font-size: 1.02rem;
}

.feature-grid,
.three-up,
.data-grid,
.deliverable-grid,
.industry-grid,
.method-grid,
.pilot-detail-grid,
.roadmap {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.feature-card,
.info-card,
.data-card,
.deliverable,
.industry-grid article,
.method-card,
.pilot-detail-grid article,
.roadmap article,
.panel,
.contact-band,
.timeline-step,
.faq details {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.product-console-section {
  padding-top: 4rem;
}

.console-layout {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  align-items: center;
  gap: 1.2rem;
}

.console-copy h2 {
  margin: 0;
  font-size: 2.25rem;
  line-height: 1.1;
}

.console-copy p {
  margin: 0.95rem 0 0;
  color: var(--muted);
  line-height: 1.7;
}

.dense-list {
  display: grid;
  gap: 0.72rem;
  margin-top: 1.25rem;
}

.dense-list div {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  padding: 0.9rem 1rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 10px 26px rgba(15, 23, 42, 0.05);
  color: var(--text);
  line-height: 1.45;
  font-weight: 600;
}

.dense-list i {
  flex: 0 0 auto;
  color: var(--accent-strong);
}

.console-frame {
  padding: 1rem;
  border-radius: 12px;
  background:
    linear-gradient(135deg, rgba(18, 181, 176, 0.16), rgba(79, 140, 255, 0.08)),
    #0c1726;
  color: #fff;
  box-shadow: 0 26px 70px rgba(15, 23, 42, 0.22);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.console-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 0.9rem;
}

.console-top span {
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.9rem;
}

.console-top strong {
  font-size: 1rem;
}

.chart-panel {
  min-height: 14rem;
  padding: 1rem;
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.03)),
    repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.08) 0 1px, transparent 1px 35px),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.06) 0 1px, transparent 1px 58px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  display: flex;
  align-items: flex-end;
}

.chart-bars {
  width: 100%;
  height: 12rem;
  display: grid;
  grid-template-columns: repeat(10, 1fr);
  align-items: end;
  gap: 0.55rem;
}

.chart-bars span {
  height: var(--h);
  min-height: 1.2rem;
  border-radius: 999px 999px 4px 4px;
  background: linear-gradient(180deg, var(--warm), var(--accent) 45%, var(--cool));
  box-shadow: 0 0 18px rgba(18, 181, 176, 0.25);
}

.console-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.65rem;
  margin-top: 0.75rem;
}

.console-metric {
  padding: 0.8rem;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.console-metric span {
  display: block;
  margin-bottom: 0.3rem;
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.78rem;
}

.console-metric strong {
  display: block;
  font-size: 1.04rem;
}

.recommendation-list {
  display: grid;
  gap: 0.55rem;
  margin-top: 0.75rem;
}

.recommendation-list div {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 0.65rem;
  padding: 0.74rem;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.recommendation-list span,
.deliverable span {
  width: 2rem;
  height: 2rem;
  display: inline-grid;
  place-items: center;
  border-radius: 999px;
  color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--cool));
  font-weight: 800;
}

.recommendation-list p {
  margin: 0;
  color: rgba(255, 255, 255, 0.84);
  line-height: 1.45;
}

.feature-card {
  padding: 1.15rem;
}

.feature-card i {
  color: var(--accent);
}

.feature-card h3,
.info-card h3,
.data-card h3,
.deliverable h3,
.industry-grid h3,
.panel h2,
.timeline-step h3 {
  margin: 0.85rem 0 0.55rem;
  font-size: 1.1rem;
  line-height: 1.35;
}

.feature-card p,
.info-card p,
.data-card p,
.deliverable p,
.industry-grid p,
.panel p,
.timeline-step p,
.faq p {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}

.data-card,
.deliverable,
.industry-grid article {
  padding: 1.15rem;
}

.technical-section {
  background:
    linear-gradient(115deg, rgba(8, 18, 31, 0.96), rgba(8, 18, 31, 0.86)),
    var(--hero);
  color: #fff;
}

.technical-section .section-head p:not(.section-label) {
  color: rgba(255, 255, 255, 0.72);
}

.method-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.method-card {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(255, 255, 255, 0.13);
  box-shadow: none;
  padding: 1.1rem;
}

.method-card span,
.roadmap span {
  display: inline-flex;
  margin-bottom: 0.7rem;
  padding: 0.45rem 0.62rem;
  border-radius: 999px;
  background: rgba(18, 181, 176, 0.14);
  color: var(--accent);
  font-weight: 800;
  font-size: 0.78rem;
}

.method-card h3 {
  margin: 0 0 0.55rem;
  font-size: 1.08rem;
}

.method-card p {
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.62;
}

.pilot-detail-grid {
  margin-top: 1rem;
}

.pilot-detail-grid article,
.roadmap article {
  padding: 1.15rem;
}

.pilot-detail-grid h3,
.roadmap h3 {
  margin: 0 0 0.55rem;
  font-size: 1.08rem;
}

.pilot-detail-grid p,
.roadmap p {
  margin: 0;
  color: var(--muted);
  line-height: 1.62;
}

.data-card i,
.industry-grid i {
  color: var(--accent-strong);
}

.deliverable-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.industry-section {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.62), rgba(244, 247, 251, 0.8)),
    var(--bg);
}

.industry-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

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

.flow-item {
  padding: 1rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(18, 181, 176, 0.07), rgba(79, 140, 255, 0.06)),
    #fff;
  box-shadow: var(--shadow);
}

.flow-item span {
  display: block;
  margin-bottom: 0.42rem;
  color: var(--accent-strong);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0;
}

.flow-item strong {
  display: block;
  line-height: 1.45;
}

.split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.panel {
  padding: 1.3rem;
}

.panel-accent {
  background:
    linear-gradient(135deg, rgba(18, 181, 176, 0.08), rgba(79, 140, 255, 0.08)),
    var(--surface);
}

.bullet-list,
.step-list {
  margin: 1rem 0 0;
  padding-left: 1.1rem;
  color: var(--muted);
  line-height: 1.75;
}

.bullet-list li + li,
.step-list li + li {
  margin-top: 0.5rem;
}

.fit-strip {
  margin-top: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.fit-pill {
  display: inline-flex;
  align-items: center;
  padding: 0.7rem 0.95rem;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 999px;
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.04);
  font-size: 0.95rem;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.timeline-step {
  padding: 1.15rem;
}

.timeline-step span {
  display: inline-flex;
  width: 2.1rem;
  height: 2.1rem;
  border-radius: 999px;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--warm), var(--coral));
  color: #fff;
  font-weight: 800;
}

.metric-stack {
  display: grid;
  gap: 0.9rem;
  margin-top: 1rem;
}

.metric {
  display: grid;
  gap: 0.25rem;
  padding: 1rem;
  background: var(--surface-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.metric strong {
  font-size: 1.4rem;
  line-height: 1.1;
}

.metric span {
  color: var(--muted);
  line-height: 1.5;
}

.founder-copy {
  margin-top: 1rem;
  line-height: 1.8;
}

.founder-copy a {
  color: var(--accent-strong);
}

.small-note {
  margin-top: 1rem;
  color: var(--muted);
  line-height: 1.6;
  font-size: 0.95rem;
}

.contact-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.4rem;
}

.contact-band h2 {
  margin: 0;
  font-size: 2rem;
  line-height: 1.1;
}

.contact-band p {
  margin: 0.8rem 0 0;
  max-width: 42rem;
  color: var(--muted);
  line-height: 1.7;
}

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.75rem;
}

.faq {
  margin-top: 1rem;
  display: grid;
  gap: 0.8rem;
}

.faq details {
  padding: 1rem 1.1rem;
}

.faq summary {
  cursor: pointer;
  list-style: none;
  font-weight: 700;
  font-size: 1rem;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary::after {
  content: "+";
  float: right;
  color: var(--accent-strong);
}

.faq details[open] summary::after {
  content: "–";
}

.faq p {
  margin-top: 0.8rem;
}

.footer {
  padding: 1.3rem 0 2rem;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(15, 23, 42, 0.12);
  color: var(--muted);
  font-size: 0.95rem;
}

.footer-inner a {
  color: var(--accent-strong);
}

.privacy-hero {
  background:
    linear-gradient(115deg, rgba(8, 18, 31, 0.96), rgba(8, 18, 31, 0.8)),
    var(--hero);
  color: #fff;
}

.narrow {
  max-width: 820px;
}

.privacy-hero h1 {
  margin: 0;
  font-size: 3rem;
  line-height: 1.05;
}

.privacy-hero p {
  margin: 1rem 0 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: 1.08rem;
  line-height: 1.7;
}

.policy-stack {
  display: grid;
  gap: 1rem;
}

.policy-stack .panel h2 {
  margin-top: 0;
}

.policy-stack a {
  color: var(--accent-strong);
}

@media (max-width: 1080px) {
  .hero-grid,
  .split,
  .feature-grid,
  .three-up,
  .timeline,
  .signal-grid,
  .product-flow,
  .console-layout,
  .data-grid,
  .deliverable-grid,
  .industry-grid,
  .method-grid,
  .pilot-detail-grid,
  .roadmap {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero h1 {
    font-size: 3.6rem;
  }

  .hero-art {
    min-height: 28rem;
  }
}

@media (max-width: 760px) {
  .topbar-inner {
    flex-wrap: wrap;
    justify-content: center;
    padding: 0.75rem 0;
  }

  .nav {
    order: 3;
    width: 100%;
    justify-content: center;
    margin-left: 0;
    flex-wrap: wrap;
  }

  .topbar-cta {
    margin-left: auto;
  }

  .hero {
    padding-top: 0.65rem;
  }

  .hero-grid,
  .split,
  .feature-grid,
  .three-up,
  .timeline,
  .signal-grid,
  .contact-band,
  .product-flow,
  .console-layout,
  .data-grid,
  .deliverable-grid,
  .industry-grid,
  .method-grid,
  .pilot-detail-grid,
  .roadmap {
    grid-template-columns: 1fr;
  }

  .hero-grid {
    min-height: auto;
    gap: 1rem;
  }

  .hero h1 {
    font-size: 2.7rem;
  }

  .lede {
    font-size: 1.02rem;
    line-height: 1.55;
  }

  .mobile-hero-visual {
    display: block;
    margin-top: 1rem;
  }

  .mobile-hero-visual img {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.13);
    box-shadow: 0 18px 42px rgba(0, 0, 0, 0.28);
  }

  .hero-proof {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.5rem;
  }

  .hero-proof span {
    justify-content: center;
    min-height: 3.2rem;
    border-radius: var(--radius);
    padding: 0.55rem 0.42rem;
    text-align: center;
    font-size: 0.78rem;
    line-height: 1.25;
  }

  .hero-art {
    display: none;
  }

  .contact-band {
    display: grid;
  }

  .contact-actions {
    justify-content: flex-start;
  }

  .section-head h2 {
    font-size: 1.9rem;
  }

  .console-copy h2 {
    font-size: 1.85rem;
  }

  .chart-panel {
    min-height: 10.5rem;
  }

  .chart-bars {
    height: 8.7rem;
    gap: 0.35rem;
  }

  .console-grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 3.4rem 0;
  }
}

@media (max-width: 520px) {
  .shell {
    width: min(100% - 1.1rem, var(--shell));
  }

  .hero h1 {
    font-size: 2.35rem;
  }

  .hero-facts {
    grid-template-columns: 1fr;
  }

  .btn {
    width: 100%;
    justify-content: center;
  }

  .topbar-cta {
    width: 100%;
    justify-content: center;
  }

  .hero-actions {
    width: 100%;
  }
}

/* ── Scroll-triggered entrance animations ── */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(28px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInScale {
  from {
    opacity: 0;
    transform: scale(0.92);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 12px 30px rgba(79, 140, 255, 0.22); }
  50% { box-shadow: 0 12px 40px rgba(18, 181, 176, 0.35), 0 0 60px rgba(79, 140, 255, 0.15); }
}

.feature-card,
.info-card,
.data-card,
.deliverable,
.industry-grid article,
.method-card,
.timeline-step,
.pilot-detail-grid article,
.roadmap article,
.signal-item,
.flow-item,
.faq details,
.panel {
  animation: fadeInUp 0.6s ease both;
}

.feature-card:nth-child(1) { animation-delay: 0.05s; }
.feature-card:nth-child(2) { animation-delay: 0.1s; }
.feature-card:nth-child(3) { animation-delay: 0.15s; }
.feature-card:nth-child(4) { animation-delay: 0.2s; }
.feature-card:nth-child(5) { animation-delay: 0.25s; }
.feature-card:nth-child(6) { animation-delay: 0.3s; }

.signal-item:nth-child(1) { animation-delay: 0.05s; }
.signal-item:nth-child(2) { animation-delay: 0.12s; }
.signal-item:nth-child(3) { animation-delay: 0.19s; }

.timeline-step:nth-child(1) { animation-delay: 0.05s; }
.timeline-step:nth-child(2) { animation-delay: 0.12s; }
.timeline-step:nth-child(3) { animation-delay: 0.19s; }
.timeline-step:nth-child(4) { animation-delay: 0.26s; }

.console-frame {
  animation: fadeInScale 0.7s ease 0.15s both;
}

/* ── Enhanced hover effects ── */
.feature-card,
.info-card,
.data-card,
.deliverable,
.industry-grid article,
.pilot-detail-grid article,
.roadmap article,
.flow-item {
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1),
              box-shadow 0.25s cubic-bezier(0.4, 0, 0.2, 1),
              border-color 0.25s ease;
}

.feature-card:hover,
.info-card:hover,
.data-card:hover,
.deliverable:hover,
.industry-grid article:hover,
.pilot-detail-grid article:hover,
.roadmap article:hover,
.flow-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 24px 56px rgba(15, 23, 42, 0.13);
  border-color: var(--accent);
}

.method-card {
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1),
              background 0.25s ease,
              border-color 0.25s ease;
}

.method-card:hover {
  transform: translateY(-4px);
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(18, 181, 176, 0.4);
}

.timeline-step {
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1),
              box-shadow 0.25s ease;
}

.timeline-step:hover {
  transform: translateY(-3px);
  box-shadow: 0 20px 48px rgba(15, 23, 42, 0.12);
}

.faq details {
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.faq details:hover {
  border-color: var(--accent);
}

.faq details[open] {
  border-color: var(--accent);
  box-shadow: 0 12px 36px rgba(18, 181, 176, 0.08);
}

/* ── CTA pulse ── */
.btn-primary {
  animation: pulseGlow 3s ease-in-out infinite;
}

.btn-primary:hover {
  animation: none;
  box-shadow: 0 16px 42px rgba(79, 140, 255, 0.32);
}

/* ── Hero bar chart stagger animation ── */
@keyframes barGrow {
  from { transform: scaleY(0); }
  to { transform: scaleY(1); }
}

.chart-bars span {
  transform-origin: bottom;
  animation: barGrow 0.5s ease both;
}

.chart-bars span:nth-child(1) { animation-delay: 0.1s; }
.chart-bars span:nth-child(2) { animation-delay: 0.15s; }
.chart-bars span:nth-child(3) { animation-delay: 0.2s; }
.chart-bars span:nth-child(4) { animation-delay: 0.25s; }
.chart-bars span:nth-child(5) { animation-delay: 0.3s; }
.chart-bars span:nth-child(6) { animation-delay: 0.35s; }
.chart-bars span:nth-child(7) { animation-delay: 0.4s; }
.chart-bars span:nth-child(8) { animation-delay: 0.45s; }
.chart-bars span:nth-child(9) { animation-delay: 0.5s; }
.chart-bars span:nth-child(10) { animation-delay: 0.55s; }

/* ── Brand mark hover ── */
.brand-mark {
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
              box-shadow 0.3s ease;
}

.brand:hover .brand-mark {
  transform: rotate(-6deg) scale(1.08);
  box-shadow: 0 14px 32px rgba(79, 140, 255, 0.32);
}

/* ── Fit pills hover ── */
.fit-pill {
  transition: transform 0.2s ease,
              border-color 0.2s ease,
              box-shadow 0.2s ease;
}

.fit-pill:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
  box-shadow: 0 12px 28px rgba(18, 181, 176, 0.1);
}

/* ── Smooth nav hover underline ── */
.nav a {
  position: relative;
  transition: color 0.2s ease;
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--cool));
  border-radius: 999px;
  transition: width 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav a:hover::after {
  width: 100%;
}

/* ── Reduce motion preference ── */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}
