/* Header, hero (default), sections, cards, tabs, FAQ, footer */

/* Ensure page content layers above fixed canvas/overlay */
.notice,
header,
section,
footer {
  position: relative;
  z-index: 2;
}

/* Top notice */
.notice {
  background: var(--elevated);
  border-bottom: 1px solid var(--border);
  text-align: center;
  font-size: 0.8125rem;
  color: var(--grey-light);
  padding: 0.65rem 1rem;
}

.notice strong {
  color: var(--beige);
  font-weight: 600;
}

/* Header */
header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--nav-h);
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav {
  position: relative;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo {
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.03em;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.logo span {
  color: var(--beige);
}

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

.nav-links a:not(.btn) {
  font-size: 0.875rem;
  color: var(--grey-light);
  transition: color 0.15s;
}

.nav-links a:not(.btn):hover {
  color: var(--white);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.55rem 1.1rem;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
  white-space: nowrap;
}

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

.btn-ghost:hover {
  border-color: var(--grey);
  background: var(--elevated);
}

.btn-primary {
  background: var(--beige);
  color: var(--black);
  border-color: var(--beige);
}

.btn-primary:hover {
  background: var(--beige-wash);
  border-color: var(--beige-wash);
}

.menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--elevated);
  color: var(--white);
  cursor: pointer;
  align-items: center;
  justify-content: center;
}

@media (max-width: 900px) {
  .menu-toggle {
    display: flex;
  }

  .nav-links,
  .nav-actions {
    display: none;
  }

  .nav.open .nav-links,
  .nav.open .nav-actions {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--nav-h);
    left: 0;
    right: 0;
    background: var(--black-soft);
    border-bottom: 1px solid var(--border);
    padding: 1rem 1.25rem 1.25rem;
    align-items: stretch;
    gap: 0.5rem;
  }

  .nav.open .nav-actions {
    padding-top: 0;
  }

  .nav.open .nav-actions .btn {
    width: 100%;
  }
}

/* Hero */
.hero {
  padding: clamp(3rem, 8vw, 5.5rem) 0 clamp(4rem, 10vw, 6rem);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: -40% 20% auto -20%;
  height: 80%;
  background: radial-gradient(ellipse, var(--beige-dim) 0%, transparent 55%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  position: relative;
}

@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
}

.hero h1 {
  font-size: clamp(2.4rem, 5.5vw, 3.6rem);
  font-weight: 250;
  letter-spacing: -0.02em;
  line-height: 1.07;
  margin: 0 0 1.25rem;
}

.hero-lead {
  font-size: 1.125rem;
  color: var(--grey-light);
  max-width: 34rem;
  margin: 0 0 2rem;
}

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

.hero-visual {
  aspect-ratio: 4/3;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: linear-gradient(145deg, var(--elevated) 0%, var(--black-soft) 100%);
  position: relative;
  overflow: hidden;
}

.hero-visual::after {
  content: "";
  position: absolute;
  inset: 12%;
  border-radius: var(--radius);
  border: 1px dashed var(--border);
  background: repeating-linear-gradient(
      -12deg,
      transparent,
      transparent 8px,
      rgba(212, 196, 176, 0.06) 8px,
      rgba(212, 196, 176, 0.06) 9px
    ),
    radial-gradient(circle at 30% 40%, var(--beige-dim), transparent 50%);
}

.hero-nodes {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--grey);
}

/* Logos */
.logo-strip {
  padding: 2rem 0 3rem;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--black-soft);
}

.logo-strip p {
  text-align: center;
  font-size: 0.8125rem;
  color: var(--grey);
  margin: 0 0 1.25rem;
}

.logo-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem 1.5rem;
}

.logo-pill {
  font-size: 0.8125rem;
  font-weight: 400;
  color: var(--grey-light);
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--black);
}

/* Stat */
.stat-block {
  padding: 4rem 0;
  text-align: center;
}

.stat-block .label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--grey);
  margin-bottom: 0.5rem;
}

.stat-block .num {
  font-size: clamp(3rem, 10vw, 5rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  color: var(--beige-wash);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.stat-block .sub {
  margin-top: 0.75rem;
  color: var(--grey-light);
  font-size: 1rem;
}

/* Sections */
.section {
  padding: clamp(3.5rem, 8vw, 5.5rem) 0;
}

.section-head {
  max-width: 40rem;
  margin-bottom: 2.5rem;
}

.eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--beige-deep);
  margin: 0 0 0.75rem;
}

.section h2 {
  font-size: clamp(1.75rem, 3.5vw, 2.25rem);
  font-weight: 300;
  letter-spacing: -0.02em;
  margin: 0 0 0.75rem;
  line-height: 1.15;
}

.section-desc {
  margin: 0;
  color: var(--grey-light);
  font-size: 1.0625rem;
}

/* Product cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

@media (max-width: 768px) {
  .card-grid {
    grid-template-columns: 1fr;
  }
}

.card {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem 1.5rem 1.75rem;
  background: var(--black-soft);
  transition: border-color 0.2s;
}

.card:hover {
  border-color: #3d3d3d;
}

.card h3 {
  margin: 0 0 0.65rem;
  font-size: 1.125rem;
  font-weight: 400;
  letter-spacing: -0.02em;
}

.card p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--grey-light);
}

.card-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--beige-dim);
  border: 1px solid rgba(212, 196, 176, 0.25);
  display: grid;
  place-items: center;
  margin-bottom: 1rem;
  font-size: 1.1rem;
}

/* Use cases */
.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.tab {
  padding: 0.45rem 1rem;
  font-size: 0.8125rem;
  font-weight: 600;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--grey-light);
  cursor: pointer;
  transition: all 0.15s;
}

.tab:hover,
.tab.active {
  background: var(--beige-dim);
  border-color: rgba(212, 196, 176, 0.35);
  color: var(--white);
}

.panel {
  display: none;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  background: var(--elevated);
}

.panel.active {
  display: block;
}

.panel p {
  margin: 0;
  color: var(--grey-light);
  font-size: 1.0625rem;
  max-width: 42rem;
}

.panel .btn {
  margin-top: 1.5rem;
}

/* How it works */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

@media (max-width: 768px) {
  .steps {
    grid-template-columns: 1fr;
  }
}

.step {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  background: var(--black-soft);
}

.step-num {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--beige-deep);
  margin-bottom: 0.75rem;
}

.step h3 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
  font-weight: 400;
}

.step p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--grey-light);
}

/* Feature matrix */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

@media (max-width: 900px) {
  .feature-grid {
    grid-template-columns: 1fr;
  }
}

.feature {
  padding: 1.35rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--elevated);
}

.feature h4 {
  margin: 0 0 0.4rem;
  font-size: 0.9375rem;
  font-weight: 600;
}

.feature p {
  margin: 0;
  font-size: 0.8125rem;
  color: var(--grey);
  line-height: 1.5;
}

/* Enterprise */
.enterprise {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: clamp(2rem, 5vw, 3rem);
  background: linear-gradient(160deg, var(--elevated) 0%, var(--black) 100%);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: start;
}

@media (max-width: 768px) {
  .enterprise {
    grid-template-columns: 1fr;
  }
}

.enterprise ul {
  margin: 1.25rem 0 0;
  padding: 0;
  list-style: none;
}

.enterprise li {
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.9375rem;
  color: var(--grey-light);
  display: flex;
  gap: 0.65rem;
  align-items: flex-start;
}

.enterprise li::before {
  content: "✓";
  color: var(--beige);
  font-weight: 700;
  flex-shrink: 0;
}

/* FAQ */
.faq-item {
  border-bottom: 1px solid var(--border);
}

.faq-item button {
  width: 100%;
  text-align: left;
  padding: 1.15rem 0;
  background: none;
  border: none;
  color: var(--white);
  font: inherit;
  font-weight: 400;
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.faq-item button span:last-child {
  font-size: 1.25rem;
  color: var(--grey);
  transition: transform 0.2s;
}

.faq-item.open button span:last-child {
  transform: rotate(45deg);
}

.faq-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}

.faq-item.open .faq-body {
  max-height: 28rem;
}

.faq-body p {
  margin: 0 0 1.15rem;
  color: var(--grey-light);
  font-size: 0.9375rem;
  max-width: 48rem;
}

/* CTA band */
.cta-band {
  margin: 2rem 0 0;
  padding: clamp(3rem, 6vw, 4rem);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--beige-dim);
  text-align: center;
}

.cta-band h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 300;
  margin: 0 0 0.5rem;
}

.cta-band p {
  margin: 0 0 1.5rem;
  color: var(--grey-light);
}

.cta-band .hero-ctas {
  justify-content: center;
}

/* Footer */
footer {
  border-top: 1px solid var(--border);
  padding: 3rem 0 2rem;
  margin-top: 2rem;
  background: var(--black-soft);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 2rem;
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 520px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

.footer-brand p {
  margin: 0.75rem 0 0;
  font-size: 0.875rem;
  color: var(--grey);
  max-width: 22rem;
  line-height: 1.55;
}

.footer-col h4 {
  margin: 0 0 0.85rem;
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--grey);
}

.footer-col a {
  display: block;
  font-size: 0.875rem;
  color: var(--grey-light);
  padding: 0.25rem 0;
}

.footer-col a:hover {
  color: var(--beige-wash);
}

.footer-bottom {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  font-size: 0.8125rem;
  color: var(--grey);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
}