/* ==========================================================================
   EsferaSys — Design tokens (industrial B2B)
   ========================================================================== */
:root {
  /* Backgrounds */
  --bg-base: #060816;
  --bg-elevated: #0b1020;
  --bg-surface: #111827;
  --bg-glass: rgba(17, 24, 39, 0.72);

  /* Brand */
  --color-primary: #2563eb;
  --color-primary-hover: #3b82f6;
  --color-accent-glow: rgba(37, 99, 235, 0.18);

  /* Text */
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  /* Borders */
  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-medium: rgba(255, 255, 255, 0.1);

  /* Typography */
  --font-family: "Plus Jakarta Sans", system-ui, -apple-system, sans-serif;
  --font-size-xs: 0.6875rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: clamp(1.75rem, 4vw, 2.5rem);
  --font-size-3xl: clamp(2.125rem, 4.5vw, 3.25rem);

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3.5rem;
  --space-2xl: 5rem;
  --section-pad: clamp(3.5rem, 8vw, 6rem);

  /* Layout */
  --container: min(1080px, calc(100% - 2rem));
  --header-h: 68px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 16px;

  /* Motion */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --duration-fast: 0.2s;
  --duration-base: 0.35s;
  --duration-slow: 0.55s;
}

/* ==========================================================================
   Reset & base
   ========================================================================== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-base);
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

button {
  font: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

/* ==========================================================================
   Utilities
   ========================================================================== */
.container {
  width: var(--container);
  margin-inline: auto;
}

.section {
  padding-block: var(--section-pad);
}

.section--compact {
  padding-block: var(--space-lg);
}

.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-sm);
  z-index: 9999;
  padding: 0.5rem 1rem;
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-sm);
}

.skip-link:focus {
  top: var(--space-sm);
}

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

.eyebrow {
  font-size: var(--font-size-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
}

.section__header {
  max-width: 34rem;
  margin-bottom: var(--space-lg);
}

.section__title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.2;
  margin-bottom: var(--space-xs);
}

.section__lead {
  color: var(--text-secondary);
  font-size: var(--font-size-base);
  line-height: 1.65;
}

/* Reveal animations */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition:
    opacity var(--duration-slow) var(--ease-out),
    transform var(--duration-slow) var(--ease-out);
}

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

.reveal--delay { transition-delay: 0.08s; }
.reveal--delay-2 { transition-delay: 0.16s; }

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.6875rem 1.375rem;
  font-size: var(--font-size-sm);
  font-weight: 600;
  letter-spacing: -0.01em;
  border-radius: var(--radius-md);
  transition:
    background var(--duration-fast) var(--ease-out),
    border-color var(--duration-fast) var(--ease-out),
    box-shadow var(--duration-fast) var(--ease-out),
    color var(--duration-fast) var(--ease-out);
}

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

.btn--primary:hover {
  background: var(--color-primary-hover);
  box-shadow: 0 4px 24px var(--color-accent-glow);
}

.btn--ghost {
  border: 1px solid var(--border-medium);
  color: var(--text-secondary);
  background: transparent;
}

.btn--ghost:hover {
  border-color: rgba(255, 255, 255, 0.16);
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.03);
}

.btn--sm {
  padding: 0.4375rem 0.875rem;
  font-size: var(--font-size-xs);
}

.btn--lg {
  padding: 0.8125rem 1.75rem;
  font-size: var(--font-size-sm);
}

/* ==========================================================================
   Header
   ========================================================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-h);
  transition:
    background var(--duration-fast),
    border-color var(--duration-fast),
    backdrop-filter var(--duration-fast);
}

.header.is-scrolled {
  background: rgba(6, 8, 22, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: var(--space-md);
}

.logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  transition: opacity var(--duration-fast);
}

.logo:hover {
  opacity: 0.88;
}

.logo__img {
  display: block;
  height: 36px;
  width: auto;
}

.nav__list {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav__link {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  transition: color var(--duration-fast);
}

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

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

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 40px;
  height: 40px;
  padding: 8px;
}

.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform var(--duration-fast), opacity var(--duration-fast);
}

.nav-toggle.is-active span:first-child {
  transform: translateY(4px) rotate(45deg);
}

.nav-toggle.is-active span:last-child {
  transform: translateY(-4px) rotate(-45deg);
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  position: relative;
  padding-top: calc(var(--header-h) + var(--space-2xl));
  padding-bottom: var(--space-xl);
  min-height: min(100svh, 920px);
  display: flex;
  align-items: center;
}

.hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 70% 45% at 20% -10%, rgba(37, 99, 235, 0.07), transparent 55%),
    radial-gradient(ellipse 50% 35% at 90% 60%, rgba(37, 99, 235, 0.04), transparent 50%);
}

.hero__grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.hero__content {
  max-width: 36rem;
}

.hero__title {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.12;
  margin-bottom: var(--space-md);
}

.hero__subtitle {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  max-width: 30rem;
  margin-bottom: var(--space-lg);
  line-height: 1.7;
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.hero__disclaimer {
  margin-top: 0.75rem;
  font-size: 0.625rem;
  color: var(--text-muted);
  letter-spacing: 0.02em;
  text-align: center;
}

/* Dashboard — operación industrial */
.dashboard {
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.02) inset,
    0 16px 40px -16px rgba(0, 0, 0, 0.55);
}

.dashboard--float {
  animation: dashboardFloat 8s ease-in-out infinite;
}

@keyframes dashboardFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}

.dashboard__chrome {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.625rem 0.875rem;
  border-bottom: 1px solid var(--border-subtle);
  background: rgba(0, 0, 0, 0.28);
}

.dashboard__status {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #22c55e;
  opacity: 0.75;
  flex-shrink: 0;
}

.dashboard__title {
  flex: 1;
  font-size: 0.625rem;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.03em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.dashboard__badge {
  font-size: 0.5625rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 0.2rem 0.45rem;
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
}

.dashboard__body {
  padding: 0.875rem;
}

.dashboard__cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.625rem;
  margin-bottom: 0.625rem;
}

.dashboard__panel {
  padding: 0.625rem;
  background: rgba(0, 0, 0, 0.22);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
}

.dashboard__panel-head {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
  margin-bottom: 0.5rem;
}

.dashboard__panel-label {
  font-size: 0.5625rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.dashboard__panel-meta {
  font-size: 0.5625rem;
  color: var(--text-muted);
}

.dashboard__checklist li {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.625rem;
  color: var(--text-muted);
  padding: 0.25rem 0;
}

.dashboard__checklist li.is-done {
  color: var(--text-secondary);
}

.dashboard__checklist li.is-active {
  color: var(--text-primary);
  font-weight: 500;
}

.dash-check {
  width: 10px;
  height: 10px;
  border: 1px solid var(--border-medium);
  border-radius: 2px;
  flex-shrink: 0;
}

.dashboard__checklist li.is-done .dash-check {
  background: rgba(37, 99, 235, 0.25);
  border-color: var(--color-primary);
  position: relative;
}

.dashboard__checklist li.is-done .dash-check::after {
  content: "";
  position: absolute;
  left: 2px;
  top: 3px;
  width: 4px;
  height: 2px;
  border-left: 1px solid var(--color-primary-hover);
  border-bottom: 1px solid var(--color-primary-hover);
  transform: rotate(-45deg);
}

.dashboard__checklist li.is-active .dash-check {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.15);
}

.dashboard__ops li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.5rem;
  padding: 0.3rem 0;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 0.625rem;
}

.dashboard__ops li:last-child {
  border-bottom: none;
}

.ops__key {
  color: var(--text-muted);
}

.ops__val {
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: -0.01em;
}

.ops__val--ok {
  color: var(--text-primary);
}

.dashboard__feed {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.dash-event {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4375rem 0.5rem;
  background: rgba(0, 0, 0, 0.18);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  transition: border-color var(--duration-fast);
}

.dash-event:hover {
  border-color: var(--border-medium);
}

.dash-event__type {
  font-size: 0.5rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 0.2rem 0.35rem;
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-muted);
}

.dash-event--nc .dash-event__type {
  background: rgba(248, 113, 113, 0.12);
  color: #fca5a5;
}

.dash-event__type--ev {
  background: rgba(37, 99, 235, 0.12);
  color: var(--color-primary-hover);
}

.dash-event__type--lot {
  background: rgba(34, 197, 94, 0.1);
  color: #86efac;
}

.dash-event__body {
  display: flex;
  flex-direction: column;
  gap: 0.05rem;
  min-width: 0;
}

.dash-event__body strong {
  font-size: 0.625rem;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.dash-event__body span {
  font-size: 0.5625rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.dash-event__time {
  font-size: 0.5625rem;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
}

/* ==========================================================================
   Trust / industrias
   ========================================================================== */
.trust {
  border-block: 1px solid var(--border-subtle);
  background: var(--bg-elevated);
}

.trust__label {
  text-align: center;
  font-size: var(--font-size-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--space-md);
}

.trust__strip {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 0;
}

.trust__strip li {
  display: flex;
  align-items: center;
  opacity: 0;
  transform: translateY(6px);
  transition:
    opacity var(--duration-slow) var(--ease-out),
    transform var(--duration-slow) var(--ease-out),
    color var(--duration-fast);
}

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

.trust__strip li:not(:last-child)::after {
  content: "";
  width: 1px;
  height: 12px;
  margin-inline: clamp(0.75rem, 2.5vw, 1.5rem);
  background: var(--border-subtle);
}

.trust__item {
  font-size: var(--font-size-sm);
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--text-secondary);
  transition: color var(--duration-fast);
}

.trust__strip li:hover .trust__item {
  color: var(--text-primary);
}

/* ==========================================================================
   Solutions
   ========================================================================== */
.solutions__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.solution {
  padding: var(--space-md);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  background: var(--bg-elevated);
  transition:
    border-color var(--duration-fast),
    background var(--duration-fast);
}

.solution:hover {
  border-color: var(--border-medium);
  background: var(--bg-surface);
}

.solution__icon {
  width: 32px;
  height: 32px;
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
  transition: color var(--duration-fast);
}

.solution:hover .solution__icon {
  color: var(--color-primary-hover);
}

.solution__icon svg {
  width: 100%;
  height: 100%;
}

.solution__title {
  font-size: var(--font-size-base);
  font-weight: 600;
  margin-bottom: 0.375rem;
  letter-spacing: -0.02em;
}

.solution__text {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
  line-height: 1.6;
}

.solution__link {
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--color-primary-hover);
  transition: color var(--duration-fast);
}

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

/* ==========================================================================
   Differential
   ========================================================================== */
.differential__inner {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: var(--space-xl);
  align-items: start;
  padding: var(--space-lg);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  background: var(--bg-elevated);
}

.differential__title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.2;
  margin-bottom: var(--space-sm);
}

.differential__text {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 26rem;
}

.differential__points {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.differential__points li {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.75rem var(--space-sm);
  border-left: 1px solid var(--color-primary);
  background: rgba(0, 0, 0, 0.2);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  transition: background var(--duration-fast);
}

.differential__points li:hover {
  background: rgba(0, 0, 0, 0.32);
}

.differential__num {
  font-size: var(--font-size-xs);
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  font-variant-numeric: tabular-nums;
}

.services-anchor {
  height: 0;
  overflow: hidden;
}

/* ==========================================================================
   Cases
   ========================================================================== */
.cases__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.case__preview {
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  margin-bottom: var(--space-sm);
  overflow: hidden;
  background: var(--bg-surface);
  transition: border-color var(--duration-fast);
}

.case:hover .case__preview {
  border-color: var(--border-medium);
}

.case-mock {
  padding: 0.75rem;
  height: 100%;
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.case-mock__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.375rem 0.5rem;
  background: rgba(0, 0, 0, 0.28);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
}

.case-mock__row span:first-child {
  width: 58%;
  height: 5px;
  background: var(--border-medium);
  border-radius: 2px;
}

.case-mock__check {
  width: 12px !important;
  height: 12px !important;
  border-radius: 2px !important;
  background: rgba(37, 99, 235, 0.15) !important;
  border: 1px solid var(--color-primary) !important;
}

.case-mock__row--active {
  border-color: rgba(37, 99, 235, 0.35);
}

.case-mock--docs {
  gap: 0.5rem;
  justify-content: center;
}

.case-mock--docs span {
  display: block;
  height: 10px;
  background: var(--border-medium);
  border-radius: 3px;
}

.case-mock--docs span:nth-child(1) { width: 78%; }
.case-mock--docs span:nth-child(2) { width: 62%; opacity: 0.65; }
.case-mock--docs span:nth-child(3) { width: 88%; opacity: 0.45; }

.case-mock--dash {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.375rem;
  padding: 0.75rem;
}

.case-mock--dash span {
  aspect-ratio: 1.5;
  background: rgba(37, 99, 235, 0.06);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
}

.case__title {
  font-size: var(--font-size-base);
  font-weight: 600;
  margin-bottom: 0.25rem;
  letter-spacing: -0.01em;
}

.case__text {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  line-height: 1.6;
}

.cases__note {
  text-align: center;
  margin-top: var(--space-lg);
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}

/* ==========================================================================
   CTA
   ========================================================================== */
.cta__inner {
  text-align: center;
  padding: var(--space-xl) var(--space-lg);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  background: var(--bg-elevated);
}

.cta__title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  letter-spacing: -0.025em;
  margin-bottom: var(--space-xs);
}

.cta__text {
  color: var(--text-secondary);
  font-size: var(--font-size-base);
  margin-bottom: var(--space-md);
}

.cta__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: var(--space-sm);
}

.cta__contact {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem 1.25rem;
  margin-top: var(--space-sm);
}

.cta__contact a {
  font-size: var(--font-size-sm);
  color: var(--color-primary-hover);
  transition: color var(--duration-fast);
}

.cta__contact a:hover {
  color: var(--color-primary);
}

.cta__contact a[href^="tel:"] {
  color: var(--text-secondary);
}

.cta__contact a[href^="tel:"]:hover {
  color: var(--text-primary);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
  padding-block: var(--space-lg) var(--space-md);
  border-top: 1px solid var(--border-subtle);
  background: var(--bg-base);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: var(--space-lg);
  align-items: start;
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--border-subtle);
}

.footer__desc {
  margin-top: 0.5rem;
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  max-width: 18rem;
  line-height: 1.55;
}

.footer__entity {
  margin-top: 0.375rem;
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  letter-spacing: 0.02em;
}

.footer__contact-list {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
  margin-bottom: 0.5rem;
}

.footer__contact-list a {
  font-size: var(--font-size-sm);
  color: var(--color-primary-hover);
  transition: color var(--duration-fast);
}

.footer__contact-list a:hover {
  color: var(--color-primary);
}

.footer__contact-list a[href^="tel:"] {
  color: var(--text-secondary);
}

.footer__contact-list a[href^="tel:"]:hover {
  color: var(--text-primary);
}

.footer__legal {
  padding-block: var(--space-sm);
  border-bottom: 1px solid var(--border-subtle);
}

.footer__legal ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
}

.footer__legal a,
.footer__legal-btn {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  transition: color var(--duration-fast);
}

.footer__legal-btn {
  padding: 0;
}

.footer__legal a:hover,
.footer__legal-btn:hover,
.footer__legal-btn.is-active {
  color: var(--text-secondary);
}

.footer__nav ul {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer__nav a {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  transition: color var(--duration-fast);
}

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

.footer__bottom {
  padding-top: var(--space-sm);
}

.footer__bottom p {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
}

.logo--footer .logo__img {
  height: 28px;
}

/* Legal information */
.legal-section {
  border-top: 1px solid var(--border-subtle);
  background:
    radial-gradient(ellipse 45% 35% at 10% 0%, rgba(37, 99, 235, 0.06), transparent 58%),
    var(--bg-elevated);
}

.legal-section[hidden] {
  display: none !important;
}

.legal-section__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-md);
  max-width: 38rem;
  margin-bottom: var(--space-lg);
}

.legal-section__close {
  flex-shrink: 0;
  padding: 0.45rem 0.75rem;
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.03);
  transition:
    color var(--duration-fast),
    border-color var(--duration-fast),
    background var(--duration-fast);
}

.legal-section__close:hover {
  color: var(--text-primary);
  border-color: var(--border-medium);
  background: rgba(255, 255, 255, 0.05);
}

.legal-section__grid {
  display: grid;
  grid-template-columns: minmax(0, 48rem);
  align-items: start;
}

.legal-card {
  scroll-margin-top: calc(var(--header-h) + var(--space-md));
  padding: var(--space-lg);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  background: rgba(6, 8, 22, 0.48);
  box-shadow: 0 18px 44px -28px rgba(0, 0, 0, 0.7);
}

.legal-card[hidden] {
  display: none !important;
}

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

.legal-doc h3 {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  letter-spacing: -0.025em;
  margin-bottom: var(--space-xs);
}

.legal-doc__updated {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  margin-bottom: var(--space-lg);
}

.legal-doc section {
  margin-bottom: var(--space-md);
}

.legal-doc h4 {
  font-size: var(--font-size-base);
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.legal-doc p,
.legal-doc li {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  line-height: 1.7;
}

.legal-doc ul {
  list-style: disc;
  padding-left: 1.25rem;
  margin-top: 0.5rem;
}

.legal-doc ul + p {
  margin-top: 0.75rem;
}

.legal-doc__contact {
  list-style: none !important;
  padding-left: 0 !important;
  margin-top: 0.75rem;
}

.legal-doc__contact a {
  color: var(--color-primary-hover);
}

/* ==========================================================================
   Responsive (mobile first)
   ========================================================================== */
@media (max-width: 1024px) {
  .hero__grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .hero__content {
    max-width: none;
  }

  .hero__visual {
    max-width: 480px;
    margin-inline: auto;
  }

  .solutions__grid,
  .cases__grid {
    grid-template-columns: 1fr;
    max-width: 24rem;
    margin-inline: auto;
  }

  .legal-section__grid {
    grid-template-columns: 1fr;
  }

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

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

@media (max-width: 768px) {
  :root {
    --header-h: 60px;
  }

  .nav {
    position: fixed;
    inset: var(--header-h) 0 0 0;
    background: rgba(6, 8, 22, 0.98);
    backdrop-filter: blur(16px);
    padding: var(--space-lg);
    transform: translateX(100%);
    transition: transform var(--duration-base) var(--ease-out);
  }

  .nav.is-open {
    transform: translateX(0);
  }

  .nav__list {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-md);
  }

  .nav__link {
    font-size: var(--font-size-lg);
  }

  .nav-toggle {
    display: flex;
  }

  .header__actions .btn--primary {
    display: none;
  }

  .logo__img {
    height: 30px;
  }

  .hero {
    min-height: auto;
    padding-top: calc(var(--header-h) + var(--space-lg));
  }

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

  .trust__strip li:not(:last-child)::after {
    display: none;
  }

  .trust__strip {
    gap: 0.5rem 1rem;
  }

  .footer__grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .differential__inner {
    padding: var(--space-md);
  }

  .legal-card {
    padding: var(--space-md);
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

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

  .dashboard--float {
    animation: none;
  }

  .btn:hover,
  .solution:hover {
    transform: none;
  }
}