:root {
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 5rem);
  --text-hero: clamp(3rem, 0.85rem + 5.8vw, 6.6rem);

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-long: 620ms cubic-bezier(0.16, 1, 0.3, 1);
  --content-narrow: 680px;
  --content-default: 980px;
  --content-wide: 1220px;

  --font-display: 'Cabinet Grotesk', 'Inter', sans-serif;
  --font-body: 'Satoshi', 'Inter', sans-serif;
}

:root {
  --color-bg: #071015;
  --color-surface: #0c171d;
  --color-surface-2: #101f27;
  --color-surface-offset: #142a34;
  --color-surface-dynamic: #193947;
  --color-border: #27424c;
  --color-divider: #1b3039;
  --color-text: #e8f1f4;
  --color-text-muted: #a4b3bb;
  --color-text-faint: #6f828b;
  --color-text-inverse: #071015;
  --color-primary: #52c7df;
  --color-primary-hover: #83d9ea;
  --color-primary-active: #b0eafa;
  --color-primary-highlight: #153945;
  --color-accent: #ff9a52;
  --color-accent-soft: #3c2618;
  --color-dark-panel: #050a0d;
  --shadow-sm: 0 1px 2px rgb(0 0 0 / 0.24);
  --shadow-md: 0 14px 36px rgb(0 0 0 / 0.34);
  --shadow-lg: 0 28px 80px rgb(0 0 0 / 0.42);
}

body {
  overflow-x: hidden;
}

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

.skip-link {
  position: fixed;
  inset: var(--space-3) auto auto var(--space-3);
  z-index: 1000;
  transform: translateY(-160%);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-full);
  background: var(--color-text);
  color: var(--color-bg);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-shell {
  min-height: 100dvh;
  background:
    radial-gradient(circle at top left, color-mix(in oklab, var(--color-primary), transparent 72%), transparent 36rem),
    linear-gradient(180deg, var(--color-surface-2), var(--color-bg) 34rem);
}

.container {
  width: min(calc(100% - var(--space-8)), var(--content-wide));
  margin-inline: auto;
}

.narrow {
  max-width: var(--content-narrow);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid color-mix(in oklab, var(--color-text), transparent 88%);
  background: color-mix(in oklab, var(--color-bg), transparent 8%);
  backdrop-filter: blur(18px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  gap: var(--space-4);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-weight: 800;
  letter-spacing: -0.018em;
}

.brand-mark {
  width: 38px;
  height: 38px;
  color: var(--color-primary);
}

.brand span {
  font-family: var(--font-display);
  font-size: var(--text-lg);
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

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

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.mobile-toggle {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 1px solid color-mix(in oklab, var(--color-text), transparent 86%);
  border-radius: var(--radius-full);
  background: color-mix(in oklab, var(--color-surface), transparent 16%);
}

.mobile-toggle {
  display: none;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 750;
  letter-spacing: -0.01em;
  border: 1px solid transparent;
}

.btn-primary {
  color: var(--color-text-inverse);
  background: var(--color-primary);
  box-shadow: 0 10px 30px color-mix(in oklab, var(--color-primary), transparent 72%);
}

.btn-primary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
}

.btn-secondary {
  color: var(--color-text);
  background: var(--color-surface);
  border-color: color-mix(in oklab, var(--color-text), transparent 86%);
}

.btn-secondary:hover {
  border-color: color-mix(in oklab, var(--color-primary), transparent 48%);
  transform: translateY(-1px);
}

.btn-ghost {
  color: var(--color-primary);
  background: transparent;
}

.hero {
  padding-block: clamp(var(--space-16), 9vw, var(--space-32));
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(320px, 0.74fr);
  gap: clamp(var(--space-10), 6vw, var(--space-20));
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  width: fit-content;
  padding: var(--space-2) var(--space-3);
  border: 1px solid color-mix(in oklab, var(--color-primary), transparent 58%);
  border-radius: var(--radius-full);
  background: color-mix(in oklab, var(--color-primary-highlight), transparent 12%);
  color: var(--color-primary);
  font-size: var(--text-xs);
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: '';
  width: 0.5rem;
  height: 0.5rem;
  border-radius: var(--radius-full);
  background: currentColor;
  box-shadow: 0 0 0 6px color-mix(in oklab, var(--color-primary), transparent 84%);
}

.hero h1 {
  margin-block: var(--space-6);
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 800;
  letter-spacing: -0.045em;
  line-height: 0.98;
  max-width: 12ch;
}

.hero-lead {
  color: var(--color-text-muted);
  font-size: var(--text-lg);
  line-height: 1.45;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-8);
}

.hero-form-link {
  margin: var(--space-3) 0 0;
  font-size: var(--text-sm);
  font-weight: 750;
}

.hero-form-link a {
  color: var(--color-primary);
  text-decoration: none;
}

.hero-form-link a:hover {
  text-decoration: underline;
}

.hero-proof {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-top: var(--space-8);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.hero-proof span {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.hero-proof span::before {
  content: '';
  width: 0.38rem;
  height: 0.38rem;
  border-radius: var(--radius-full);
  background: var(--color-accent);
}

.hero-visual {
  position: relative;
  isolation: isolate;
}

.product-card {
  overflow: hidden;
  border-radius: var(--radius-2xl);
  border: 1px solid color-mix(in oklab, var(--color-text), transparent 86%);
  background: var(--color-dark-panel);
  box-shadow: var(--shadow-lg);
}

.product-card img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
}

.product-caption {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-4);
  padding: var(--space-5);
  color: #e8f1f4;
}

.product-caption strong {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  letter-spacing: -0.03em;
}

.product-caption span {
  color: #9fb3bc;
  font-size: var(--text-sm);
}

.metric-stack {
  position: absolute;
  inset: 50% auto auto calc(var(--space-8) * -1);
  transform: translateY(-50%);
  z-index: 2;
  display: grid;
  gap: var(--space-2);
}

.metric {
  width: 156px;
  padding: var(--space-4);
  border: 1px solid color-mix(in oklab, white, transparent 72%);
  border-radius: var(--radius-xl);
  background: color-mix(in oklab, var(--color-surface), transparent 5%);
  box-shadow: var(--shadow-md);
}

.metric b {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-xl);
  line-height: 1;
  letter-spacing: -0.04em;
}

.metric span {
  display: block;
  margin-top: var(--space-1);
  color: var(--color-text-muted);
  font-size: var(--text-xs);
}

section {
  padding-block: clamp(var(--space-12), 7vw, var(--space-24));
}

.section-kicker {
  margin-bottom: var(--space-3);
  color: var(--color-primary);
  font-size: var(--text-xs);
  font-weight: 850;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.section-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  letter-spacing: -0.055em;
  max-width: 15ch;
}

.section-lead {
  margin-top: var(--space-5);
  color: var(--color-text-muted);
  font-size: var(--text-lg);
  line-height: 1.45;
}

.definition-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: clamp(var(--space-8), 5vw, var(--space-16));
  align-items: start;
}

.definition-panel {
  position: sticky;
  top: 104px;
  padding: var(--space-6);
  border-radius: var(--radius-2xl);
  background: var(--color-text);
  color: var(--color-bg);
}

.definition-panel h3 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  letter-spacing: -0.04em;
}

.definition-panel p {
  margin-top: var(--space-4);
  color: color-mix(in oklab, var(--color-bg), transparent 18%);
}

.definition-list {
  display: grid;
  gap: var(--space-4);
}

.definition-item {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: var(--space-5);
  align-items: start;
  padding: var(--space-6);
  border: 1px solid color-mix(in oklab, var(--color-text), transparent 88%);
  border-radius: var(--radius-xl);
  background: color-mix(in oklab, var(--color-surface), transparent 8%);
}

.definition-item .label {
  color: var(--color-primary);
  font-size: var(--text-xs);
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.definition-item h3 {
  margin-bottom: var(--space-2);
  font-size: var(--text-lg);
  letter-spacing: -0.02em;
}

.definition-item p {
  color: var(--color-text-muted);
}

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

.pain-section .section-kicker,
.pain-section .section-lead {
  color: color-mix(in oklab, var(--color-bg), transparent 24%);
}

.pain-section .section-title {
  max-width: 17ch;
}

.pain-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--space-8);
  margin-top: var(--space-12);
}

.pain-list {
  display: grid;
  gap: var(--space-3);
}

.pain-card {
  padding: var(--space-6);
  border: 1px solid color-mix(in oklab, var(--color-bg), transparent 86%);
  border-radius: var(--radius-xl);
  background: color-mix(in oklab, var(--color-bg), transparent 95%);
}

.pain-card h3 {
  margin-bottom: var(--space-2);
  color: var(--color-bg);
  font-size: var(--text-lg);
}

.pain-card p {
  color: color-mix(in oklab, var(--color-bg), transparent 24%);
}

.signal-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 100%;
  padding: var(--space-8);
  border-radius: var(--radius-2xl);
  background:
    linear-gradient(145deg, color-mix(in oklab, var(--color-primary), black 8%), color-mix(in oklab, var(--color-primary), black 44%)),
    var(--color-primary);
}

.signal-card b {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(4rem, 12vw, 9rem);
  line-height: 0.8;
  letter-spacing: -0.08em;
  color: white;
}

.signal-card p {
  margin-top: var(--space-8);
  color: color-mix(in oklab, white, transparent 10%);
  font-size: var(--text-lg);
}

.paths {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-5);
  margin-top: var(--space-10);
}

.path-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 420px;
  padding: var(--space-8);
  border: 1px solid color-mix(in oklab, var(--color-text), transparent 88%);
  border-radius: var(--radius-2xl);
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
}

.path-card.featured {
  background: var(--color-primary-highlight);
}

.path-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  letter-spacing: -0.04em;
}

.path-card p {
  margin-top: var(--space-4);
  color: var(--color-text-muted);
}

.path-card ul {
  display: grid;
  gap: var(--space-3);
  margin-block: var(--space-8);
  color: var(--color-text-muted);
  list-style: none;
}

.path-card li {
  position: relative;
  padding-left: var(--space-5);
}

.path-card li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 0.45rem;
  height: 0.45rem;
  border-radius: var(--radius-full);
  background: var(--color-primary);
}

.use-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--space-4);
  margin-top: var(--space-10);
}

.use-card {
  min-height: 230px;
  padding: var(--space-6);
  border-radius: var(--radius-xl);
  background: var(--color-surface);
  border: 1px solid color-mix(in oklab, var(--color-text), transparent 88%);
}

.use-card.wide {
  grid-column: span 2;
  background: var(--color-text);
  color: var(--color-bg);
}

.use-card h3 {
  margin-bottom: var(--space-3);
  font-size: var(--text-lg);
}

.use-card p {
  color: var(--color-text-muted);
}

.use-card.wide p {
  color: color-mix(in oklab, var(--color-bg), transparent 22%);
}

.spec-layout {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: var(--space-8);
  align-items: center;
  margin-top: var(--space-10);
}

.spec-layout--table-only {
  grid-template-columns: minmax(0, 1fr);
  max-width: 820px;
}

.spec-image {
  overflow: hidden;
  border-radius: var(--radius-2xl);
  border: 1px solid color-mix(in oklab, var(--color-text), transparent 88%);
  background: white;
}

.spec-image img {
  width: 100%;
}

.spec-table {
  display: grid;
  gap: var(--space-3);
}

.spec-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  padding: var(--space-4) 0;
  border-bottom: 1px solid color-mix(in oklab, var(--color-text), transparent 88%);
}

.spec-row dt {
  color: var(--color-text-muted);
}

.spec-row dd {
  font-weight: 800;
}

.compare-section {
  background: linear-gradient(180deg, var(--color-surface-2), var(--color-bg));
}

.compare-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-4);
  margin-top: var(--space-10);
}

.compare-card {
  padding: var(--space-6);
  border: 1px solid color-mix(in oklab, var(--color-text), transparent 88%);
  border-radius: var(--radius-xl);
  background: var(--color-surface);
}

.compare-card h3 {
  margin-bottom: var(--space-3);
  font-size: var(--text-lg);
}

.compare-card p {
  color: var(--color-text-muted);
}

.partner-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
  margin-top: var(--space-10);
}

.partner-card {
  padding: var(--space-8);
  border-radius: var(--radius-2xl);
  background: var(--color-surface);
  border: 1px solid color-mix(in oklab, var(--color-text), transparent 88%);
}

.partner-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  letter-spacing: -0.04em;
}

.partner-card p {
  margin-top: var(--space-4);
  color: var(--color-text-muted);
}

.partner-card .tag {
  display: inline-flex;
  margin-bottom: var(--space-4);
  color: var(--color-primary);
  font-size: var(--text-xs);
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.faq-grid {
  display: grid;
  grid-template-columns: 0.6fr 1fr;
  gap: var(--space-10);
  align-items: start;
}

.faq-list {
  display: grid;
  gap: var(--space-3);
}

.faq-group {
  display: grid;
  gap: var(--space-3);
}

.faq-group + .faq-group {
  margin-top: var(--space-6);
}

.faq-group-title {
  margin: 0 0 var(--space-1);
  color: var(--color-primary);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  letter-spacing: 0.02em;
}

.faq-list details {
  border: 1px solid color-mix(in oklab, var(--color-text), transparent 88%);
  border-radius: var(--radius-xl);
  background: var(--color-surface);
  overflow: hidden;
}

.faq-list summary {
  cursor: pointer;
  padding: var(--space-5);
  font-weight: 800;
}

.faq-list p {
  padding: 0 var(--space-5) var(--space-5);
  color: var(--color-text-muted);
}

.lead-section {
  padding-bottom: var(--space-24);
}

.lead-box {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: var(--space-8);
  padding: clamp(var(--space-6), 5vw, var(--space-12));
  border-radius: var(--radius-2xl);
  background: var(--color-text);
  color: var(--color-bg);
}

.lead-box .section-kicker,
.lead-box .section-lead {
  color: color-mix(in oklab, var(--color-bg), transparent 28%);
}

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

.lead-form {
  display: grid;
  gap: var(--space-4);
}

.field-group {
  display: grid;
  gap: var(--space-2);
}

.field-group label,
.fieldset-label {
  color: color-mix(in oklab, var(--color-bg), transparent 16%);
  font-size: var(--text-sm);
  font-weight: 750;
}

.lead-form input,
.lead-form select,
.lead-form textarea {
  width: 100%;
  min-height: 48px;
  padding: var(--space-3) var(--space-4);
  border: 1px solid color-mix(in oklab, var(--color-bg), transparent 82%);
  border-radius: var(--radius-md);
  background: color-mix(in oklab, var(--color-bg), transparent 94%);
  color: var(--color-bg);
}

.lead-form textarea {
  min-height: 120px;
  resize: vertical;
}

.lead-form input::placeholder,
.lead-form textarea::placeholder {
  color: color-mix(in oklab, var(--color-bg), transparent 56%);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.choice-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.choice-row input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.choice-row span {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: var(--space-2) var(--space-4);
  border: 1px solid color-mix(in oklab, var(--color-bg), transparent 82%);
  border-radius: var(--radius-full);
  color: color-mix(in oklab, var(--color-bg), transparent 18%);
}

.choice-row input:checked + span {
  border-color: var(--color-primary);
  background: var(--color-primary);
  color: var(--color-text-inverse);
}

.form-note {
  color: color-mix(in oklab, var(--color-bg), transparent 32%);
  font-size: var(--text-sm);
}

.site-footer {
  padding-block: var(--space-10);
  border-top: 1px solid color-mix(in oklab, var(--color-text), transparent 88%);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
}

.reveal {
  opacity: 1;
  transform: none;
}

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

@media (width < 980px) {
  .hero-grid,
  .definition-grid,
  .pain-grid,
  .spec-layout,
  .faq-grid,
  .lead-box {
    grid-template-columns: 1fr;
  }

  .definition-panel {
    position: static;
  }

  .paths,
  .partner-grid {
    grid-template-columns: 1fr;
  }

  .use-grid,
  .compare-grid {
    grid-template-columns: 1fr 1fr;
  }

  .metric-stack {
    position: static;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-top: var(--space-3);
  }

  .metric {
    width: auto;
  }
}

@media (width < 760px) {
  .container {
    width: min(calc(100% - var(--space-5)), var(--content-wide));
  }

  .header-inner {
    min-height: 68px;
  }

  .mobile-toggle {
    display: inline-grid;
  }

  .nav {
    position: fixed;
    inset: 68px var(--space-3) auto var(--space-3);
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: var(--space-4);
    border: 1px solid color-mix(in oklab, var(--color-text), transparent 86%);
    border-radius: var(--radius-xl);
    background: var(--color-surface);
    box-shadow: var(--shadow-lg);
  }

  .nav.is-open {
    display: flex;
  }

  .nav a {
    min-height: 44px;
    display: flex;
    align-items: center;
  }

  .header-actions .btn {
    display: none;
  }

  .hero {
    padding-block: var(--space-12) var(--space-16);
  }

  .hero h1 {
    max-width: 10ch;
  }

  .definition-item,
  .spec-row,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .use-grid,
  .compare-grid {
    grid-template-columns: 1fr;
  }

  .use-card.wide {
    grid-column: auto;
  }

  .path-card {
    min-height: auto;
  }

  .product-caption {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    flex-direction: column;
  }
}