/* ============================================================
   AKKO AI Runtime — page-specific styles
   Pairs with /style.css (Inter + JetBrains Mono + dark theme)
   ============================================================ */

/* ---- HERO ---- */
.runtime-hero {
  padding: 8rem 0 4rem;
  text-align: center;
  position: relative;
}

.runtime-hero-content {
  max-width: 920px;
  margin: 0 auto;
}

.runtime-eyebrow {
  display: inline-block;
  font-family: var(--code-font);
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent-light);
  padding: 0.35rem 0.85rem;
  border: 1px solid var(--border-hover);
  border-radius: 999px;
  background: rgba(108, 99, 255, 0.06);
  margin-bottom: 1.6rem;
}

.runtime-h1 {
  font-size: clamp(2rem, 5.5vw, 3.6rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 1.4rem;
}

.runtime-sub {
  font-size: clamp(1rem, 1.5vw, 1.18rem);
  color: var(--text-secondary);
  max-width: 760px;
  margin: 0 auto 2.2rem;
  line-height: 1.65;
}

.runtime-sub strong {
  color: var(--text);
  font-weight: 600;
}

.runtime-hero-actions {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.runtime-hero-badges {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 1.2rem;
}

.runtime-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--bg-card);
  font-size: 0.82rem;
  color: var(--text-secondary);
  font-family: var(--code-font);
}

.runtime-badge .badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--c, var(--accent));
  box-shadow: 0 0 8px var(--c, var(--accent));
}

/* ---- DIAGRAM ---- */
.runtime-diagram {
  padding: 4rem 0 2rem;
}

.diagram-frame {
  margin: 2.5rem auto 0;
  padding: 1.5rem;
  background: linear-gradient(180deg, var(--bg-elevated) 0%, var(--bg-card) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  max-width: 1080px;
  box-shadow: 0 18px 60px -20px rgba(0, 0, 0, 0.6);
}

.diagram-frame img {
  width: 100%;
  height: auto;
  display: block;
}

/* ---- COMPONENT CARDS ---- */
.runtime-cards {
  padding: 5rem 0 4rem;
}

.runtime-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
  margin-top: 2.4rem;
}

.runtime-card {
  position: relative;
  padding: 1.6rem 1.4rem 1.4rem;
  border: 1px solid var(--border);
  background: var(--bg-card);
  border-radius: var(--radius);
  transition: border-color 0.2s ease, transform 0.2s ease, background 0.2s ease;
  display: flex;
  flex-direction: column;
  min-height: 100%;
}

.runtime-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius);
  padding: 1px;
  background: linear-gradient(160deg, var(--c, var(--accent)) 0%, transparent 55%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
          mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  opacity: 0.35;
  pointer-events: none;
}

.runtime-card:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  transform: translateY(-2px);
}

.runtime-card header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.85rem;
}

.card-index {
  font-family: var(--code-font);
  font-weight: 600;
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  color: var(--c, var(--accent));
}

.card-layer {
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 0.22rem 0.55rem;
  border: 1px solid var(--border);
  border-radius: 999px;
}

.runtime-card h3 {
  font-size: 1.18rem;
  font-weight: 700;
  margin-bottom: 0.65rem;
  letter-spacing: -0.01em;
}

.card-lede {
  color: var(--text-secondary);
  font-size: 0.93rem;
  line-height: 1.55;
  margin-bottom: 0.95rem;
}

.card-lede strong {
  color: var(--text);
  font-weight: 600;
}

.card-bullets {
  list-style: none;
  padding: 0;
  margin: 0 0 1.1rem 0;
  display: grid;
  gap: 0.4rem;
}

.card-bullets li {
  position: relative;
  padding-left: 1.1rem;
  font-size: 0.86rem;
  color: var(--text-secondary);
  line-height: 1.45;
}

.card-bullets li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--c, var(--accent));
  box-shadow: 0 0 6px var(--c, var(--accent));
}

.card-bullets code {
  font-family: var(--code-font);
  font-size: 0.8rem;
  color: var(--text);
  padding: 0.05rem 0.35rem;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 4px;
  border: 1px solid var(--border);
}

.card-metric {
  margin-top: auto;
  padding-top: 0.9rem;
  border-top: 1px solid var(--border);
  font-family: var(--code-font);
  font-size: 0.78rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}

.card-metric strong {
  color: var(--c, var(--accent));
  font-size: 1.05rem;
  font-weight: 700;
}

/* ---- COMPARATOR ---- */
.runtime-comparator {
  padding: 5rem 0 5rem;
}

.compare-table-wrap {
  margin-top: 2.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-card);
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.94rem;
}

.compare-table thead {
  background: var(--bg-elevated);
}

.compare-table th,
.compare-table td {
  padding: 1rem 1.1rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

.compare-table th[scope="col"] {
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 600;
}

.compare-table th[scope="col"].col-akko {
  color: var(--accent-light);
}

.compare-table th[scope="row"] {
  font-weight: 600;
  color: var(--text);
  width: 28%;
}

.compare-table tbody tr:last-child th,
.compare-table tbody tr:last-child td {
  border-bottom: none;
}

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

.cell-ko {
  color: var(--text-secondary);
}

.compare-table .check {
  display: inline-block;
  width: 18px;
  height: 18px;
  line-height: 18px;
  text-align: center;
  border-radius: 50%;
  background: rgba(34, 197, 94, 0.16);
  color: #22c55e;
  font-weight: 700;
  font-size: 0.78rem;
  margin-right: 0.45rem;
}

.compare-table .cross {
  display: inline-block;
  width: 18px;
  height: 18px;
  line-height: 18px;
  text-align: center;
  border-radius: 50%;
  background: rgba(239, 68, 68, 0.14);
  color: #ef4444;
  font-weight: 700;
  font-size: 0.78rem;
  margin-right: 0.45rem;
}

.compare-closer {
  text-align: center;
  margin-top: 1.6rem;
  font-size: 1.02rem;
  color: var(--text-secondary);
}

.compare-closer strong {
  color: var(--text);
  font-weight: 700;
}

/* ---- FINAL CTA ---- */
.runtime-cta-final {
  padding: 5rem 0 6rem;
}

.runtime-cta-inner {
  text-align: center;
  max-width: 720px;
  padding: 3rem 2rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background:
    radial-gradient(ellipse 500px 240px at 50% 0%, rgba(108, 99, 255, 0.16), transparent 70%),
    var(--bg-card);
}

.cta-h2 {
  font-size: clamp(1.5rem, 3.4vw, 2.2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 0.9rem;
}

.cta-sub {
  color: var(--text-secondary);
  margin-bottom: 1.8rem;
  font-size: 1rem;
}

.runtime-cta-actions {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1.4rem;
}

.cta-trust {
  font-family: var(--code-font);
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* ---- RESPONSIVE ---- */
@media (max-width: 980px) {
  .runtime-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 720px) {
  .runtime-hero { padding: 5rem 0 3rem; }
  .runtime-grid { grid-template-columns: 1fr; }
  .runtime-hero-actions .btn-primary,
  .runtime-hero-actions .btn-secondary,
  .runtime-cta-actions .btn-primary,
  .runtime-cta-actions .btn-secondary {
    width: 100%;
    justify-content: center;
  }
  .compare-table th[scope="row"] {
    width: auto;
  }
  .compare-table th,
  .compare-table td {
    font-size: 0.86rem;
    padding: 0.85rem 0.75rem;
  }
}