/* ==========================================================================
   Home page — hero + certs teaser
   ========================================================================== */

.hero {
  min-height: calc(100vh - 64px);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero .wrap {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
  width: 100%;
}

.hero-copy .eyebrow {
  margin-bottom: 24px;
}

.hero-name {
  font-size: clamp(34px, 5vw, 56px);
  line-height: 1.08;
  color: var(--text);
  margin-bottom: 20px;
}

.hero-name .accent-line {
  color: var(--accent);
}

/* --- EDIT ME ---
   This is the section you'll come back and hand-edit whenever your offer
   changes. hero-offer holds the short positioning line; hero-desc holds the
   longer paragraph underneath it. */
.hero-offer {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--accent);
  margin-bottom: 18px;
  letter-spacing: 0.01em;
}

.hero-desc {
  font-family: var(--font-body);
  font-size: 17px;
  color: var(--text-muted);
  max-width: 52ch;
  margin-bottom: 36px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* --- Node graph signature --- */

.node-graph {
  width: 100%;
  height: auto;
  filter: drop-shadow(0 0 30px rgba(0, 209, 224, 0.15));
}

.node-graph .edge {
  fill: none;
  stroke: var(--accent-dim);
  stroke-width: 1.4;
}

.node-graph .edge-active {
  stroke: var(--accent);
  stroke-dasharray: 6 10;
  animation: flow 3.2s linear infinite;
}

.node-graph .node {
  fill: var(--bg-elevated);
  stroke: var(--accent);
  stroke-width: 1.4;
}

.node-graph .node-core {
  fill: var(--accent);
}

.node-graph .node-pulse {
  fill: none;
  stroke: var(--accent);
  stroke-width: 1;
  opacity: 0;
  animation: pulse 3.2s ease-out infinite;
}

.node-graph .pulse-2 { animation-delay: 1.05s; }
.node-graph .pulse-3 { animation-delay: 2.1s; }

@keyframes flow {
  to { stroke-dashoffset: -160; }
}

@keyframes pulse {
  0% { r: 4; opacity: 0.9; }
  100% { r: 22; opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .node-graph .edge-active { animation: none; stroke-dasharray: none; }
  .node-graph .node-pulse { animation: none; opacity: 0; }
}

/* --- Certs teaser section --- */

.certs-teaser {
  border-top: 1px solid var(--border);
  padding: 96px 0;
  position: relative;
}

.certs-teaser .wrap {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end;
  gap: 32px;
}

.certs-teaser h2 {
  font-size: clamp(26px, 3.5vw, 36px);
  margin: 14px 0 16px;
  color: var(--text);
}

.certs-teaser p {
  font-family: var(--font-body);
  color: var(--text-muted);
  max-width: 60ch;
  font-size: 16px;
}

.certs-teaser-cta {
  white-space: nowrap;
}

@media (max-width: 860px) {
  .hero .wrap {
    grid-template-columns: 1fr;
  }
  .hero-graph {
    order: -1;
    max-width: 280px;
    margin: 0 auto;
  }
  .certs-teaser .wrap {
    grid-template-columns: 1fr;
    align-items: start;
  }
}

/* --- Social Proof section --- */

.social-proof-section {
  border-top: 1px solid var(--border);
  padding: 96px 0;
  position: relative;
}

.social-proof-header {
  margin-bottom: 48px;
}

.social-proof-header h2 {
  font-size: clamp(26px, 3.5vw, 36px);
  margin: 14px 0 16px;
  color: var(--text);
}

.social-proof-header p {
  font-family: var(--font-body);
  color: var(--text-muted);
  max-width: 60ch;
  font-size: 16px;
}

.social-proof-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 20px;
}

/* --- Proof card --- */

.proof-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  transition:
    border-color var(--transition),
    transform var(--transition),
    box-shadow var(--transition);
  position: relative;
  overflow: hidden;
}

.proof-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}

.proof-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: 0 8px 32px rgba(0, 209, 224, 0.12);
}

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

.proof-card-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}

.proof-card-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--accent-dim);
  border: 1px solid var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 700;
  color: var(--accent);
  flex-shrink: 0;
}

.proof-card-name {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: 0.01em;
}

.proof-card-quote {
  font-family: var(--font-body);
  font-size: 14.5px;
  color: var(--text-muted);
  line-height: 1.65;
  margin: 0;
  padding: 0;
  border: none;
  flex: 1;
}

.proof-card-screenshot {
  margin-top: 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-elevated-2);
}

.proof-card-screenshot img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: contain;
}

.proof-card-link {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--accent);
  transition: color var(--transition);
}

.proof-card:hover .proof-card-link {
  color: var(--text);
}

@media (max-width: 420px) {
  .social-proof-grid {
    grid-template-columns: 1fr;
  }
}