/* === Architecture Page === */
.arch-hero {
  padding: calc(var(--nav-height) + var(--space-16)) 0 var(--space-12);
  text-align: center;
  position: relative;
  overflow: hidden;
}

/* Architecture diagram */
.arch-diagram {
  max-width: 700px;
  margin: 0 auto;
  position: relative;
  padding: var(--space-8) 0;
}

.arch-node {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-5) var(--space-6);
  border-radius: var(--radius-xl);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: all var(--duration-normal) var(--ease-in-out);
}

.arch-node:hover {
  border-color: var(--glass-border-hover);
  box-shadow: var(--shadow-glow-sm);
}

.arch-node__icon {
  font-size: var(--text-3xl);
  flex-shrink: 0;
}

.arch-node__info {
  flex: 1;
}

.arch-node__title {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
}

.arch-node__subtitle {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}

.arch-node--phone {
  border-color: rgba(77, 208, 225, 0.3);
  background: rgba(77, 208, 225, 0.05);
}

.arch-node--router {
  border-color: rgba(121, 134, 203, 0.3);
  background: rgba(121, 134, 203, 0.05);
  max-width: 400px;
  margin: 0 auto;
}

.arch-node--ondevice {
  border-color: rgba(165, 214, 167, 0.3);
  background: rgba(165, 214, 167, 0.05);
}

.arch-node--ollama {
  border-color: rgba(255, 171, 64, 0.3);
  background: rgba(255, 171, 64, 0.05);
}

.arch-node--laptop {
  border-color: rgba(206, 147, 216, 0.3);
  background: rgba(206, 147, 216, 0.05);
}

/* Connector lines */
.arch-connector {
  display: flex;
  justify-content: center;
  padding: var(--space-4) 0;
  position: relative;
}

.arch-connector__line {
  width: 2px;
  height: 40px;
  background: linear-gradient(180deg, var(--color-cyan), rgba(77, 208, 225, 0.2));
  position: relative;
}

.arch-connector__line::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 6px solid var(--color-cyan);
  opacity: 0.5;
}

/* Animated pulse on lines */
.arch-connector__pulse {
  position: absolute;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-cyan);
  box-shadow: 0 0 10px var(--color-cyan);
  left: 50%;
  transform: translateX(-50%);
  animation: arch-pulse 2s ease-in-out infinite;
}

@keyframes arch-pulse {
  0% { top: 0; opacity: 1; }
  100% { top: 100%; opacity: 0; }
}

.arch-branch {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
}

.arch-branch-connector {
  display: flex;
  justify-content: center;
  gap: 50%;
  padding: var(--space-4) 0;
}

/* Routing table */
.arch-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--glass-border);
}

.arch-table thead {
  background: rgba(77, 208, 225, 0.08);
}

.arch-table th {
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-cyan);
  text-align: left;
  border-bottom: 1px solid var(--glass-border);
}

.arch-table td {
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.arch-table tr:last-child td {
  border-bottom: none;
}

.arch-table tbody tr:hover {
  background: rgba(255, 255, 255, 0.02);
}

/* Tech badges */
.tech-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-secondary);
  transition: all var(--duration-fast) var(--ease-in-out);
}

.tech-badge:hover {
  border-color: var(--glass-border-hover);
  background: var(--glass-bg-hover);
}

.tech-badge__icon {
  font-size: var(--text-lg);
}

/* Privacy list */
.privacy-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3) 0;
}

.privacy-item__icon {
  color: var(--color-cyan);
  font-size: var(--text-lg);
  flex-shrink: 0;
  margin-top: 2px;
}

.privacy-item__text {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: var(--leading-normal);
}

/* === Responsive === */
@media (max-width: 768px) {
  .arch-branch {
    grid-template-columns: 1fr;
  }

  .arch-table {
    font-size: var(--text-xs);
  }

  .arch-table th,
  .arch-table td {
    padding: var(--space-2) var(--space-3);
  }
}