/* OperZon — Landing page */
.landing-page {
  background: var(--bg);
  color: var(--text);
}

.landing-wrap {
  width: min(1140px, calc(100% - 2.5rem));
  margin-inline: auto;
}

/* Header */
.landing-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 1.25rem;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-light);
}

.landing-brand {
  display: flex;
  align-items: center;
  line-height: 0;
}

.landing-brand img {
  height: 36px;
  width: auto;
  display: block;
}

.landing-nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.landing-nav a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
}

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

.landing-nav-link {
  display: none;
}

/* Hero */
.landing-hero {
  padding: 3.5rem 0 2.5rem;
  background:
    radial-gradient(ellipse 80% 60% at 70% 0%, rgba(13, 148, 136, 0.12), transparent 55%),
    linear-gradient(180deg, #fff 0%, var(--bg) 100%);
}

.landing-hero-grid {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 2.5rem;
  align-items: center;
}

.landing-eyebrow {
  display: inline-block;
  margin-bottom: 0.85rem;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-hover);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.landing-hero h1 {
  font-size: clamp(2rem, 4.5vw, 3.15rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
  font-weight: 800;
}

.landing-hero h1 span {
  color: var(--accent-hover);
}

.landing-lead {
  font-size: 1.08rem;
  color: var(--text-secondary);
  max-width: 34rem;
  margin-bottom: 1.5rem;
  line-height: 1.65;
}

.landing-hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.btn-lg {
  padding: 0.85rem 1.35rem;
  font-size: 0.95rem;
}

.landing-hero-bullets {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 600;
}

.landing-hero-bullets li::before {
  content: "✓ ";
  color: var(--accent);
}

.landing-hero-visual img {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  box-shadow: 0 24px 60px rgba(15, 23, 42, 0.12);
  border: 1px solid var(--border-light);
}

/* Stats strip */
.landing-stats {
  padding: 1.25rem 0 2rem;
}

.landing-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.landing-stats-grid > div {
  background: var(--surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: 1rem 1.1rem;
  box-shadow: var(--shadow);
}

.landing-stats-grid strong {
  display: block;
  font-size: 1rem;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 0.15rem;
}

.landing-stats-grid span {
  font-size: 0.82rem;
  color: var(--muted);
  font-weight: 500;
}

/* Sections */
.landing-section {
  padding: 4rem 0;
}

.landing-section-alt {
  background: linear-gradient(180deg, var(--bg) 0%, #fff 50%, var(--bg) 100%);
}

.landing-section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 2.5rem;
}

.landing-section-head h2 {
  font-size: clamp(1.65rem, 3vw, 2.25rem);
  letter-spacing: -0.02em;
  margin-bottom: 0.65rem;
  font-weight: 800;
  line-height: 1.15;
}

/* Modules grid */
.landing-modules {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.landing-module-card {
  background: var(--surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.landing-module-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(15, 23, 42, 0.08);
}

.landing-module-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 10px;
  background: var(--accent-soft);
  font-size: 1.2rem;
  margin-bottom: 0.75rem;
}

.landing-module-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
}

.landing-module-card p {
  font-size: 0.86rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* Split sections */
.landing-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: center;
  margin-bottom: 4rem;
}

.landing-split:last-child {
  margin-bottom: 0;
}

.landing-split-reverse .landing-split-copy {
  order: 2;
}

.landing-split-reverse .landing-split-visual {
  order: 1;
}

.landing-split h2 {
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
  font-weight: 800;
  line-height: 1.2;
}

.landing-split p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
  line-height: 1.65;
}

.landing-checklist {
  list-style: none;
}

.landing-checklist li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.5rem;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text);
}

.landing-checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.45rem;
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--accent);
}

.landing-split-visual img {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--border-light);
}

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

.landing-step {
  background: var(--surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
}

.landing-step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 800;
  margin-bottom: 0.85rem;
}

.landing-step h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
}

.landing-step p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

/* CTA */
.landing-cta {
  padding: 4rem 0 5rem;
}

.landing-cta-inner {
  text-align: center;
  padding: 3rem 2rem;
  border-radius: calc(var(--radius) + 4px);
  background: linear-gradient(135deg, var(--accent-hover) 0%, var(--accent) 55%, #14b8a6 100%);
  color: #fff;
  box-shadow: 0 20px 50px rgba(13, 148, 136, 0.28);
}

.landing-cta-inner h2 {
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  font-weight: 800;
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}

.landing-cta-inner p {
  margin-bottom: 1.5rem;
  opacity: 0.92;
  font-size: 1.05rem;
}

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

.landing-cta-inner .btn-primary:hover {
  background: var(--accent-soft);
  color: var(--accent-hover);
}

/* Footer */
.landing-footer {
  padding: 2rem 0 2.5rem;
  border-top: 1px solid var(--border-light);
  background: var(--surface);
}

.landing-footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.landing-footer-inner img {
  height: 28px;
  width: auto;
}

.landing-footer nav {
  display: flex;
  gap: 1.25rem;
}

.landing-footer nav a {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-secondary);
}

/* Responsive */
@media (max-width: 960px) {
  .landing-hero-grid,
  .landing-split,
  .landing-modules {
    grid-template-columns: 1fr 1fr;
  }

  .landing-stats-grid,
  .landing-steps {
    grid-template-columns: 1fr 1fr;
  }

  .landing-split-reverse .landing-split-copy,
  .landing-split-reverse .landing-split-visual {
    order: unset;
  }
}

@media (max-width: 720px) {
  .landing-nav a:not(.btn) {
    display: none;
  }

  .landing-nav-link {
    display: inline;
  }

  .landing-hero {
    padding-top: 2rem;
  }

  .landing-hero-grid,
  .landing-split,
  .landing-modules,
  .landing-stats-grid,
  .landing-steps {
    grid-template-columns: 1fr;
  }

  .landing-hero-visual {
    order: -1;
  }

  .landing-hero-cta {
    flex-direction: column;
  }

  .landing-hero-cta .btn {
    width: 100%;
  }

  .landing-section {
    padding: 2.75rem 0;
  }
}