/* ── Landing ──────────────────────────────────────────── */

.landing {
  display: flex;
  flex-direction: column;
  padding: 0;
}

/* ── Hero ─────────────────────────────────────────────── */

.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 6rem 2rem 5rem;
  border-bottom: 1px solid var(--border);
}

.hero .eyebrow {
  margin-bottom: 1rem;
}

.hero h1 {
  margin: 0 0 1.25rem;
  font-size: clamp(2.5rem, 6vw, 4rem);
  line-height: 1.05;
  letter-spacing: -0.035em;
  font-weight: 700;
  max-width: 600px;
}

.hero-sub {
  margin: 0 0 2.25rem;
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--muted);
  max-width: 460px;
}

.hero-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  justify-content: center;
}

.btn-lg {
  padding: 0.75rem 1.75rem;
  font-size: 0.9375rem;
}

/* ── Features ─────────────────────────────────────────── */

.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  max-width: 1100px;
  margin: 0 auto;
  width: 100%;
  padding: 0 2rem;
}

.feature-card {
  padding: 2.5rem 2.25rem;
  border: 1px solid var(--border);
  background: var(--bg-panel);
  border-right: none;
}

.feature-card:last-child {
  border-right: 1px solid var(--border);
}

.feature-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: var(--text);
  color: var(--bg);
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
}

.feature-card h3 {
  margin: 0 0 0.625rem;
  font-size: 1.0625rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.feature-card p {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--muted);
}

/* ── Showcase ─────────────────────────────────────────── */

.showcase {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  padding: 5.5rem 4rem;
  max-width: 1100px;
  margin: 0 auto;
  width: 100%;
}

.showcase-text .eyebrow {
  margin-bottom: 0.5rem;
}

.showcase-text h2 {
  margin: 0 0 1.25rem;
  font-size: clamp(1.625rem, 3vw, 2.25rem);
  letter-spacing: -0.02em;
  font-weight: 700;
}

.showcase-text p {
  margin: 0 0 0.875rem;
  color: var(--muted);
  line-height: 1.7;
  font-size: 0.9375rem;
}

.showcase-visual {
  display: flex;
  justify-content: center;
}

/* ── Mock UI ──────────────────────────────────────────── */

.showcase-mock {
  display: flex;
  width: 100%;
  max-width: 420px;
  aspect-ratio: 16 / 10;
  border: 2px solid var(--text);
  background: var(--bg);
  overflow: hidden;
}

.mock-rail {
  width: 48px;
  flex-shrink: 0;
  background: var(--bg);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0.75rem 0;
  gap: 0.5rem;
}

.mock-icon {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  font-size: 0.6rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--muted);
}

.mock-icon-active {
  background: var(--text);
  border-color: var(--text);
  color: var(--bg);
  font-size: 0.75rem;
}

.mock-divider {
  width: 24px;
  height: 1px;
  background: var(--border);
  margin: 0.125rem 0;
}

.mock-panel {
  width: 110px;
  flex-shrink: 0;
  background: var(--bg-panel);
  border-right: 1px solid var(--border);
  padding: 0.875rem 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.mock-panel-head {
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--text);
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
  letter-spacing: 0.02em;
}

.mock-line {
  height: 7px;
  background: var(--border);
  width: 100%;
}

.mock-line-short {
  width: 55%;
}

.mock-chat {
  flex: 1;
  padding: 0.875rem 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  overflow: hidden;
}

.mock-msg {
  display: flex;
  gap: 0.5rem;
  align-items: flex-start;
}

.mock-avatar {
  width: 22px;
  height: 22px;
  background: var(--border);
  border-radius: 50%;
  flex-shrink: 0;
}

.mock-msg-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.mock-msg-name {
  height: 6px;
  width: 52px;
  background: var(--accent);
}

.mock-msg-name-alt {
  width: 40px;
  background: var(--muted);
}

.mock-msg-text {
  height: 6px;
  width: 100%;
  background: var(--border);
}

.mock-msg-text-long {
  width: 88%;
}

.mock-msg-text-short {
  width: 50%;
}

/* ── CTA ──────────────────────────────────────────────── */

.cta {
  text-align: center;
  padding: 5rem 2rem 6rem;
  background: var(--bg-panel);
  border-top: 1px solid var(--border);
}

.cta h2 {
  margin: 0 0 0.625rem;
  font-size: clamp(1.625rem, 3vw, 2.25rem);
  letter-spacing: -0.02em;
  font-weight: 700;
}

.cta p {
  margin: 0 0 1.75rem;
  color: var(--muted);
  font-size: 1rem;
}

/* ── Responsive ───────────────────────────────────────── */

@media (max-width: 760px) {
  .hero {
    padding: 4rem 1.25rem 3.5rem;
  }

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

  .feature-card {
    border-right: 1px solid var(--border);
    border-bottom: none;
  }

  .feature-card:last-child {
    border-bottom: 1px solid var(--border);
  }

  .showcase {
    grid-template-columns: 1fr;
    padding: 3.5rem 1.25rem;
    gap: 2.5rem;
  }

  .showcase-visual {
    order: -1;
  }

  .cta {
    padding: 3.5rem 1.25rem 4.5rem;
  }
}