/* PhyloPay — shared marketing styles
   CSP-friendly: no inline styles required for core layout.
   Suggested headers (configure on server):
   Content-Security-Policy: default-src 'self'; script-src 'self'; style-src 'self'; img-src 'self' data:; font-src 'self'; connect-src 'self'; base-uri 'self'; form-action 'self';
   X-Frame-Options: DENY (or SAMEORIGIN)
   Referrer-Policy: strict-origin-when-cross-origin
   Permissions-Policy: geolocation=(), microphone=(), camera=()
   Strict-Transport-Security: max-age=31536000; includeSubDomains; preload
*/

:root {
  --color-bg: #f6f7f9;
  --color-bg-elevated: #ffffff;
  --color-surface: #ffffff;
  --color-text: #0f172a;
  --color-text-muted: #475569;
  --color-text-subtle: #64748b;
  --color-border: #e2e8f0;
  --color-border-strong: #cbd5e1;
  --color-navy: #0c1929;
  --color-navy-soft: #132337;
  --accent: #0d9488;
  --accent-hover: #0f766e;
  --accent-soft: rgba(13, 148, 136, 0.12);
  --accent-glow: rgba(13, 148, 136, 0.25);
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 4px 16px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 20px 50px rgba(15, 23, 42, 0.12);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --font-sans: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, "Cascadia Code", "SF Mono", Menlo, monospace;
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --max-width: 1180px;
  --header-height: 72px;
  --transition-fast: 150ms ease;
  --transition-base: 220ms ease;
  --transition-slow: 400ms cubic-bezier(0.22, 1, 0.36, 1);
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #0c1117;
    --color-bg-elevated: #111827;
    --color-surface: #151f2e;
    --color-text: #f1f5f9;
    --color-text-muted: #94a3b8;
    --color-text-subtle: #64748b;
    --color-border: #1e293b;
    --color-border-strong: #334155;
    --color-navy: #020617;
    --color-navy-soft: #0f172a;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 24px rgba(0, 0, 0, 0.35);
    --shadow-lg: 0 24px 64px rgba(0, 0, 0, 0.45);
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--accent-hover);
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.container {
  width: min(100% - var(--space-xl), var(--max-width));
  margin-inline: auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  display: flex;
  align-items: center;
  background: rgba(246, 247, 249, 0.85);
  border-bottom: 1px solid transparent;
  transition: background var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
}

@media (prefers-color-scheme: dark) {
  .site-header {
    background: rgba(12, 17, 23, 0.88);
  }
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.92);
  border-bottom-color: var(--color-border);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

@media (prefers-color-scheme: dark) {
  .site-header.is-scrolled {
    background: rgba(17, 24, 39, 0.92);
  }
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding-block: var(--space-sm);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

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

.logo__mark {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--accent) 0%, #0891b2 100%);
  box-shadow: 0 2px 8px var(--accent-glow);
}

.logo__text span {
  display: block;
  font-size: 0.6875rem;
  font-weight: 500;
  color: var(--color-text-subtle);
  letter-spacing: 0.02em;
}

.nav {
  display: none;
}

@media (min-width: 960px) {
  .nav {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
  }
}

.nav__link {
  padding: var(--space-sm) var(--space-md);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-muted);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
}

.nav__link:hover {
  color: var(--color-text);
  background: var(--accent-soft);
}

.nav__link.is-active {
  color: var(--accent);
  background: var(--accent-soft);
}

.header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.menu-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  cursor: pointer;
  color: var(--color-text);
}

.menu-toggle__bar {
  display: block;
  width: 20px;
  height: 2px;
  background: currentColor;
  position: relative;
  transition: transform var(--transition-base);
}

.menu-toggle__bar::before,
.menu-toggle__bar::after {
  content: "";
  position: absolute;
  left: 0;
  width: 20px;
  height: 2px;
  background: currentColor;
  transition: transform var(--transition-base), top var(--transition-base);
}

.menu-toggle__bar::before {
  top: -6px;
}

.menu-toggle__bar::after {
  top: 6px;
}

.menu-toggle[aria-expanded="true"] .menu-toggle__bar {
  background: transparent;
}

.menu-toggle[aria-expanded="true"] .menu-toggle__bar::before {
  top: 0;
  transform: rotate(45deg);
}

.menu-toggle[aria-expanded="true"] .menu-toggle__bar::after {
  top: 0;
  transform: rotate(-45deg);
}

@media (min-width: 960px) {
  .menu-toggle {
    display: none;
  }
}

.mobile-nav {
  position: fixed;
  inset: var(--header-height) 0 0 0;
  z-index: 99;
  padding: var(--space-xl);
  background: var(--color-bg-elevated);
  border-top: 1px solid var(--color-border);
  transform: translateX(100%);
  opacity: 0;
  visibility: hidden;
  transition: transform var(--transition-slow), opacity var(--transition-base), visibility var(--transition-base);
}

.mobile-nav.is-open {
  transform: translateX(0);
  opacity: 1;
  visibility: visible;
}

.mobile-nav__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.mobile-nav__link {
  display: block;
  padding: var(--space-md);
  font-weight: 500;
  color: var(--color-text);
  border-radius: var(--radius-md);
}

.mobile-nav__link.is-active {
  color: var(--accent);
  background: var(--accent-soft);
}

.mobile-nav__cta {
  margin-top: var(--space-lg);
}

@media (min-width: 960px) {
  .mobile-nav {
    display: none;
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.625rem 1.25rem;
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.25;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

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

.btn--primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.btn--primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  color: #fff;
}

.btn--secondary {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border-strong);
}

.btn--secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
}

.btn--ghost {
  background: transparent;
  color: var(--accent);
  border-color: transparent;
  padding-inline: var(--space-sm);
}

.btn--ghost:hover {
  background: var(--accent-soft);
}

.btn--lg {
  padding: 0.875rem 1.5rem;
  font-size: 1rem;
}

.btn--block {
  width: 100%;
}

/* Typography */
.eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--space-md);
}

h1,
h2,
h3,
h4 {
  margin: 0 0 var(--space-md);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--color-text);
}

h1 {
  font-size: clamp(2rem, 4vw, 2.75rem);
}

h2 {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
}

h3 {
  font-size: 1.25rem;
}

p {
  margin: 0 0 var(--space-md);
  color: var(--color-text-muted);
}

.lead {
  font-size: 1.125rem;
  line-height: 1.65;
}

/* Sections */
.section {
  padding-block: var(--space-3xl);
}

.section--tight {
  padding-block: var(--space-2xl);
}

.section--navy {
  background: var(--color-navy);
  color: #e2e8f0;
}

.section--navy h2,
.section--navy h3 {
  color: #f8fafc;
}

.section--navy p {
  color: #94a3b8;
}

.section--muted {
  background: linear-gradient(180deg, var(--color-bg) 0%, #eef1f5 100%);
}

@media (prefers-color-scheme: dark) {
  .section--muted {
    background: linear-gradient(180deg, var(--color-bg) 0%, #0f172a 100%);
  }
}

.section__header {
  max-width: 640px;
  margin-bottom: var(--space-2xl);
}

.section__header--center {
  margin-inline: auto;
  text-align: center;
}

/* Hero */
.hero {
  position: relative;
  padding-block: var(--space-3xl) var(--space-4xl);
  overflow: hidden;
}

.hero__grid-bg {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(13, 148, 136, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(13, 148, 136, 0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(180deg, black 0%, transparent 85%);
  pointer-events: none;
  animation: grid-drift 60s linear infinite;
}

@keyframes grid-drift {
  0% {
    background-position: 0 0, 0 0;
  }
  100% {
    background-position: 48px 48px, 48px 48px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero__grid-bg {
    animation: none;
  }
}

.hero__inner {
  display: grid;
  gap: var(--space-3xl);
  align-items: center;
}

@media (min-width: 960px) {
  .hero__inner {
    grid-template-columns: 1fr 1.05fr;
  }
}

.hero__content.hero-animate {
  animation: hero-in 0.9s var(--transition-slow) both;
}

@keyframes hero-in {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-top: var(--space-xl);
}

.hero__trust {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-lg);
  margin-top: var(--space-2xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border);
}

.hero__trust-item {
  font-size: 0.8125rem;
  color: var(--color-text-subtle);
}

.hero__trust-item strong {
  display: block;
  font-size: 0.875rem;
  color: var(--color-text);
}

/* Dashboard mockup */
.mockup {
  position: relative;
  border-radius: var(--radius-xl);
  background: var(--color-surface);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
  overflow: hidden;
  animation: mockup-in 1s var(--transition-slow) 0.15s both;
}

@keyframes mockup-in {
  from {
    opacity: 0;
    transform: translateY(24px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.mockup__chrome {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.mockup__dots {
  display: flex;
  gap: 6px;
}

.mockup__dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-border-strong);
}

.mockup__dots span:first-child {
  background: #f87171;
}

.mockup__dots span:nth-child(2) {
  background: #fbbf24;
}

.mockup__dots span:nth-child(3) {
  background: #34d399;
}

.mockup__title {
  flex: 1;
  text-align: center;
  font-size: 0.75rem;
  color: var(--color-text-subtle);
  font-family: var(--font-mono);
}

.mockup__body {
  display: grid;
  gap: var(--space-md);
  padding: var(--space-lg);
}

@media (min-width: 640px) {
  .mockup__body {
    grid-template-columns: 1.2fr 1fr;
  }
}

.mockup__panel {
  padding: var(--space-md);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
}

.mockup__panel h4 {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-subtle);
  margin-bottom: var(--space-sm);
}

.mockup__stat {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text);
}

.mockup__stat span {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--accent);
}

.mockup__spark {
  height: 48px;
  margin-top: var(--space-sm);
  background: linear-gradient(90deg, var(--accent-soft) 0%, transparent 100%);
  border-radius: var(--radius-sm);
  position: relative;
  overflow: hidden;
}

.mockup__spark::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.35;
  animation: spark-move 8s ease-in-out infinite;
}

@keyframes spark-move {
  0%,
  100% {
    transform: translateX(-30%);
  }
  50% {
    transform: translateX(30%);
  }
}

@media (prefers-reduced-motion: reduce) {
  .mockup__spark::after {
    animation: none;
  }
}

.mockup__list {
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 0.8125rem;
}

.mockup__list li {
  display: flex;
  justify-content: space-between;
  padding: var(--space-xs) 0;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-muted);
}

.mockup__list li:last-child {
  border-bottom: 0;
}

.mockup__badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 0.6875rem;
  font-weight: 600;
  background: var(--accent-soft);
  color: var(--accent);
}

.mockup__float {
  position: absolute;
  width: min(200px, 42%);
  padding: var(--space-md);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
  font-size: 0.75rem;
  z-index: 2;
}

.mockup__float--1 {
  top: 18%;
  right: -4%;
  animation: float-y 6s ease-in-out infinite;
}

.mockup__float--2 {
  bottom: 12%;
  left: -6%;
  animation: float-y 7s ease-in-out infinite 0.5s;
}

@keyframes float-y {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .mockup__float--1,
  .mockup__float--2 {
    animation: none;
  }
}

.mockup-wrap {
  position: relative;
}

/* Cards & grids */
.grid-3 {
  display: grid;
  gap: var(--space-lg);
}

@media (min-width: 720px) {
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

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

@media (min-width: 720px) {
  .grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }
}

.card {
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: border-color var(--transition-base), box-shadow var(--transition-base), transform var(--transition-base);
}

.card:hover {
  border-color: var(--color-border-strong);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.card__icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--accent-soft);
  margin-bottom: var(--space-md);
}

.card h3 {
  margin-bottom: var(--space-sm);
}

.card p:last-child {
  margin-bottom: 0;
}

/* Reveal */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s var(--transition-slow), transform 0.6s var(--transition-slow);
}

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

/* Counters */
.stat-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

@media (min-width: 720px) {
  .stat-row {
    grid-template-columns: repeat(4, 1fr);
  }
}

.stat {
  text-align: center;
  padding: var(--space-lg);
}

.stat__value {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 700;
  color: var(--color-text);
  font-variant-numeric: tabular-nums;
}

.stat__label {
  font-size: 0.8125rem;
  color: var(--color-text-subtle);
  margin-top: var(--space-xs);
}

/* Steps */
.steps {
  display: grid;
  gap: var(--space-xl);
}

@media (min-width: 900px) {
  .steps {
    grid-template-columns: repeat(5, 1fr);
  }
}

.step {
  position: relative;
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
}

.step__num {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  font-size: 0.875rem;
  margin-bottom: var(--space-md);
}

.step h3 {
  font-size: 1rem;
  margin-bottom: var(--space-sm);
}

.step p {
  font-size: 0.9375rem;
  margin: 0;
}

/* AI panels */
.ai-panels {
  display: grid;
  gap: var(--space-md);
}

@media (min-width: 720px) {
  .ai-panels {
    grid-template-columns: repeat(2, 1fr);
  }
}

.ai-panel {
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  border-left: 3px solid var(--accent);
  box-shadow: var(--shadow-sm);
}

.ai-panel__type {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
  margin-bottom: var(--space-sm);
}

.ai-panel p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--color-text);
}

/* Integration strip */
.integrations-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--space-xl);
  padding-block: var(--space-xl);
}

.integration-badge {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-muted);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
}

/* CTA block */
.cta-block {
  padding: var(--space-3xl);
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, var(--color-navy-soft) 0%, var(--color-navy) 100%);
  color: #e2e8f0;
  text-align: center;
}

.cta-block h2 {
  color: #fff;
}

.cta-block p {
  color: #94a3b8;
  max-width: 520px;
  margin-inline: auto;
}

.cta-block .btn--primary {
  margin-top: var(--space-lg);
}

/* Footer */
.site-footer {
  padding-block: var(--space-3xl) var(--space-xl);
  background: var(--color-navy);
  color: #94a3b8;
  font-size: 0.875rem;
}

.site-footer a {
  color: #cbd5e1;
}

.site-footer a:hover {
  color: #fff;
}

.site-footer__grid {
  display: grid;
  gap: var(--space-2xl);
}

@media (min-width: 720px) {
  .site-footer__grid {
    grid-template-columns: 1.5fr repeat(3, 1fr);
  }
}

.site-footer h4 {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #64748b;
  margin-bottom: var(--space-md);
}

.site-footer ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-footer li {
  margin-bottom: var(--space-sm);
}

.site-footer__bottom {
  margin-top: var(--space-3xl);
  padding-top: var(--space-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  justify-content: space-between;
  font-size: 0.8125rem;
}

/* Tables */
.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

table.compare {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

table.compare th,
table.compare td {
  padding: var(--space-md) var(--space-lg);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

table.compare th {
  background: var(--color-bg);
  font-weight: 600;
  color: var(--color-text);
}

table.compare tr:last-child td {
  border-bottom: 0;
}

/* Forms */
.form {
  max-width: 560px;
}

.form__row {
  margin-bottom: var(--space-lg);
}

.form label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: var(--space-sm);
  color: var(--color-text);
}

.form input,
.form select,
.form textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  font-family: inherit;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-text);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form input:focus,
.form select:focus,
.form textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

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

.form__hint {
  font-size: 0.75rem;
  color: var(--color-text-subtle);
  margin-top: var(--space-xs);
}

/* Honeypot — hidden from users; backend rejects if filled */
.hp-field {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Page hero (inner pages) */
.page-hero {
  padding-block: var(--space-3xl);
  background: linear-gradient(180deg, var(--color-bg) 0%, rgba(13, 148, 136, 0.06) 100%);
}

.page-hero__inner {
  max-width: 720px;
}

/* Diagram */
.flow-diagram {
  display: grid;
  gap: var(--space-md);
  align-items: stretch;
}

@media (min-width: 900px) {
  .flow-diagram {
    grid-template-columns: 1fr auto 1fr auto 1fr;
    align-items: center;
  }
}

.flow-box {
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  text-align: center;
  font-weight: 600;
  font-size: 0.9375rem;
}

.flow-arrow {
  text-align: center;
  color: var(--accent);
  font-size: 1.5rem;
}

@media (min-width: 900px) {
  .flow-arrow {
    transform: rotate(0);
  }
}

/* Roadmap */
.roadmap-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.roadmap-list li {
  padding: var(--space-sm) var(--space-md);
  border-radius: 999px;
  border: 1px dashed var(--color-border-strong);
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

/* Feature deep section */
.feature-block {
  margin-bottom: var(--space-3xl);
  padding-bottom: var(--space-3xl);
  border-bottom: 1px solid var(--color-border);
}

.feature-block:last-child {
  border-bottom: 0;
  margin-bottom: 0;
  padding-bottom: 0;
}

.workflow-ui {
  margin-top: var(--space-lg);
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-muted);
  overflow-x: auto;
}

/* Solutions */
.use-case {
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  height: 100%;
}

.use-case h3 {
  margin-bottom: var(--space-md);
}

/* Legal placeholder pages */
.legal {
  max-width: 720px;
  margin-inline: auto;
}

.legal h2 {
  margin-top: var(--space-2xl);
}

/* Utilities */
.text-center {
  text-align: center;
}

.mt-0 {
  margin-top: 0;
}

.mb-lg {
  margin-bottom: var(--space-lg);
}

.link-arrow::after {
  content: " →";
}