/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  background: color-mix(in srgb, var(--tone-void) 88%, transparent);
  backdrop-filter: blur(16px) saturate(1.4);
  border-bottom: 1px solid color-mix(in srgb, var(--brand-cyan) 12%, transparent);
  box-shadow: 0 1px 0 color-mix(in srgb, var(--brand-blue) 8%, transparent);
}

.site-header::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-brand-h);
  opacity: 0.55;
  transform: scaleX(0.35);
  transform-origin: left;
  transition: transform 0.4s ease, opacity 0.4s ease;
}

.site-header:hover::after {
  transform: scaleX(1);
  opacity: 0.85;
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--color-white);
  text-decoration: none;
  font-weight: 600;
  font-size: var(--text-md);
}

.site-logo img {
  width: auto;
  height: 2rem;
  border-radius: 0;
}

.site-logo img.logo-mark {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: var(--radius-sm);
}

.logo-text {
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-white);
}

.logo-text__ix {
  background: var(--gradient-brand-h);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.site-nav ul {
  display: flex;
  gap: var(--space-md);
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav a {
  color: var(--color-light);
  text-decoration: none;
  font-weight: 500;
  position: relative;
  padding-bottom: 0.2rem;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: var(--gradient-brand-h);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
  border-radius: 1px;
}

.site-nav a:hover::after,
.site-nav a[aria-current="page"]::after {
  transform: scaleX(1);
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--color-white);
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid color-mix(in srgb, var(--color-light) 20%, transparent);
  color: var(--color-light);
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font: inherit;
}

@media (max-width: 640px) {
  .nav-toggle {
    display: block;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-surface);
    border-bottom: 1px solid color-mix(in srgb, var(--color-light) 10%, transparent);
    padding: var(--space-sm) var(--space-md);
  }

  .site-nav.is-open {
    display: block;
  }

  .site-nav ul {
    flex-direction: column;
    gap: var(--space-sm);
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: var(--text-sm);
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition);
}

.btn--primary {
  background: var(--gradient-brand);
  background-size: 200% 200%;
  color: var(--color-white);
  box-shadow: 0 4px 20px color-mix(in srgb, var(--brand-blue) 35%, transparent);
}

.btn--primary:hover {
  background-position: 100% 50%;
  color: var(--color-white);
  box-shadow: 0 6px 28px color-mix(in srgb, var(--brand-cyan) 40%, transparent);
}

.btn--outline {
  background: transparent;
  border-color: color-mix(in srgb, var(--brand-cyan) 45%, transparent);
  color: var(--color-light);
}

.btn--outline:hover {
  background: color-mix(in srgb, var(--brand-cyan) 10%, transparent);
  border-color: var(--brand-cyan);
  color: var(--color-white);
}

.btn--disabled,
.btn--soon {
  background: color-mix(in srgb, var(--color-muted) 40%, var(--color-surface));
  color: color-mix(in srgb, var(--color-light) 70%, transparent);
  cursor: not-allowed;
  pointer-events: none;
  border-color: transparent;
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

/* Hero */
.hero {
  position: relative;
  padding-block: var(--space-2xl);
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 55% at 20% 10%, color-mix(in srgb, var(--brand-blue) 28%, transparent), transparent 55%),
    radial-gradient(ellipse 55% 45% at 85% 25%, color-mix(in srgb, var(--brand-mint) 15%, transparent), transparent 50%),
    linear-gradient(175deg, var(--tone-blue) 0%, var(--tone-navy) 55%, var(--tone-void) 100%);
  z-index: -1;
}

.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(color-mix(in srgb, var(--brand-cyan) 14%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in srgb, var(--brand-blue) 10%, transparent) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, black, transparent);
  z-index: -1;
  opacity: 0.45;
}

.hero__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  pointer-events: none;
  z-index: -1;
}

.hero__orb--blue {
  width: 28rem;
  height: 28rem;
  top: -8%;
  right: -5%;
  background: color-mix(in srgb, var(--brand-blue) 30%, transparent);
}

.hero__orb--green {
  width: 22rem;
  height: 22rem;
  bottom: 5%;
  left: -8%;
  background: color-mix(in srgb, var(--brand-mint) 22%, transparent);
}

.hero__content {
  max-width: 40rem;
}

.hero__eyebrow {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: var(--gradient-brand-h);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: var(--space-sm);
}

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

/* Cards */
.card-grid {
  display: grid;
  gap: var(--space-md);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 16rem), 1fr));
}

.card {
  position: relative;
  background: color-mix(in srgb, var(--tone-plate) 75%, transparent);
  border: 1px solid color-mix(in srgb, var(--brand-cyan) 12%, transparent);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  box-shadow: var(--shadow-card);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-brand-h);
  opacity: 0;
  transition: opacity var(--transition);
}

.card:hover {
  border-color: color-mix(in srgb, var(--brand-cyan) 35%, transparent);
  box-shadow: var(--shadow-glow);
}

.card:hover::before {
  opacity: 1;
}

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

.card--pricing .card__footer {
  margin-top: auto;
  padding-top: var(--space-sm);
}

.card--featured {
  border-color: color-mix(in srgb, var(--brand-cyan) 45%, transparent);
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--brand-blue) 40%, transparent), var(--shadow-glow);
}

.card--featured::before {
  opacity: 1;
}

.badge {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-pill);
  background: color-mix(in srgb, var(--brand-blue) 25%, transparent);
  color: var(--brand-cyan);
  border: 1px solid color-mix(in srgb, var(--brand-cyan) 30%, transparent);
}

.badge--gradient {
  background: var(--gradient-brand);
  color: var(--tone-void);
  border: none;
  font-weight: 700;
}

.badge--muted {
  background: color-mix(in srgb, var(--color-muted) 30%, transparent);
  color: var(--color-light);
}

.card__icon {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-md);
  background: var(--gradient-brand-soft);
  border: 1px solid color-mix(in srgb, var(--brand-cyan) 20%, transparent);
  display: grid;
  place-items: center;
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
}

/* Steps */
.steps {
  display: grid;
  gap: var(--space-lg);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 14rem), 1fr));
  counter-reset: step;
}

.step {
  position: relative;
  padding-top: var(--space-md);
}

.step::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  display: block;
  font-size: var(--text-xl);
  font-weight: 700;
  background: var(--gradient-brand-h);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: var(--space-sm);
}

/* FAQ accordion */
.accordion {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.accordion__item {
  border: 1px solid color-mix(in srgb, var(--brand-cyan) 14%, transparent);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.accordion__item.is-open {
  border-color: color-mix(in srgb, var(--brand-cyan) 35%, transparent);
  box-shadow: 0 4px 24px color-mix(in srgb, var(--brand-blue) 12%, transparent);
}

.accordion__trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background: color-mix(in srgb, var(--tone-plate) 70%, transparent);
  border: none;
  color: var(--color-white);
  font: inherit;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
}

.accordion__trigger:hover {
  background: color-mix(in srgb, var(--brand-blue) 12%, var(--tone-plate));
}

.accordion__icon {
  flex-shrink: 0;
  color: var(--brand-cyan);
  transition: transform var(--transition), color var(--transition);
}

.accordion__item.is-open .accordion__icon {
  transform: rotate(45deg);
  color: var(--brand-mint);
}

.accordion__panel {
  padding: 0 var(--space-md);
  color: color-mix(in srgb, var(--color-light) 90%, transparent);
}

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

/* Comparison table */
.compare-table-wrap {
  overflow-x: auto;
  margin-top: var(--space-lg);
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}

.compare-table th,
.compare-table td {
  padding: var(--space-sm) var(--space-md);
  border-bottom: 1px solid color-mix(in srgb, var(--color-light) 10%, transparent);
  text-align: left;
}

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

.compare-table td {
  color: color-mix(in srgb, var(--color-light) 90%, transparent);
}

.compare-table thead th {
  background: color-mix(in srgb, var(--brand-blue) 15%, var(--tone-plate));
  border-bottom: 2px solid color-mix(in srgb, var(--brand-cyan) 25%, transparent);
}

.compare-table .check {
  color: var(--brand-mint);
  font-weight: 700;
}

/* Contact */
.contact-card {
  text-align: center;
  padding: var(--space-lg);
  border: 1px solid color-mix(in srgb, var(--brand-cyan) 25%, transparent);
  box-shadow: var(--shadow-glow);
}

.feature-list {
  list-style: none;
  padding: 0;
  margin: var(--space-md) 0 0;
}

.feature-list li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: var(--space-xs);
}

.feature-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--brand-mint);
  font-weight: 700;
}

.cta-band {
  text-align: center;
  padding: var(--space-xl) var(--space-md);
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, color-mix(in srgb, var(--brand-blue) 12%, transparent), transparent 60%),
    color-mix(in srgb, var(--tone-plate) 80%, transparent);
  border-radius: var(--radius-lg);
  border: 1px solid color-mix(in srgb, var(--brand-cyan) 22%, transparent);
  box-shadow: var(--shadow-glow);
}

.price {
  font-size: var(--text-xl);
  font-weight: 700;
  background: var(--gradient-brand-h);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.price__period {
  font-size: var(--text-sm);
  font-weight: 400;
  color: var(--color-muted);
}

.section-tagline {
  font-weight: 600;
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--space-xs);
}

.site-footer {
  position: relative;
  background:
    radial-gradient(ellipse 80% 50% at 50% 100%, color-mix(in srgb, var(--brand-mint) 8%, transparent), transparent 55%),
    var(--tone-plate);
  border-top: none;
  padding-block: var(--space-lg);
}

.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-brand-h);
  opacity: 0.7;
}

.site-footer__inner {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-lg);
  justify-content: space-between;
  align-items: flex-start;
}

.site-footer nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.site-footer nav a {
  color: var(--color-light);
  text-decoration: none;
}

.site-footer nav a:hover {
  color: var(--color-accent);
}

.site-footer__credit {
  color: var(--color-muted);
  font-size: var(--text-xs);
}

.notice {
  background: color-mix(in srgb, var(--brand-blue) 12%, var(--tone-plate));
  border: 1px solid color-mix(in srgb, var(--brand-cyan) 30%, transparent);
  border-left: 3px solid var(--brand-cyan);
  border-radius: var(--radius-md);
  padding: var(--space-sm) var(--space-md);
  font-size: var(--text-sm);
  color: color-mix(in srgb, var(--color-light) 90%, transparent);
  margin-bottom: var(--space-lg);
}