/* ============================================================
   WAZUH · ARCHITECTURE & COMPONENTS
   T-Alpha Technical Introduction
   ============================================================ */

:root {
  /* Cool, neutral dark palette */
  --bg:        oklch(15% 0.012 240);
  --bg-elev:   oklch(19% 0.014 240);
  --bg-tinted: oklch(17% 0.014 232);
  --surface:   oklch(22% 0.012 240);
  --surface-2: oklch(26% 0.012 238);
  --rule:      oklch(34% 0.012 240);
  --rule-soft: oklch(28% 0.012 240);

  --text:      oklch(96% 0.005 240);
  --text-2:    oklch(80% 0.008 240);
  --muted:     oklch(60% 0.012 240);
  --dim:       oklch(45% 0.014 240);

  /* T-Alpha cyan accent (corporate brand) + warn */
  --accent:    oklch(80% 0.15 195);
  --accent-2:  oklch(72% 0.16 195);
  --accent-glow: oklch(80% 0.15 195 / 0.28);
  --warn:      oklch(78% 0.13 70);
  --crit:      oklch(70% 0.18 25);
  --pass:      oklch(76% 0.13 155);

  --maxw: 1200px;
  --rail-w: 240px;
  --gap: clamp(1rem, 2vw, 2rem);

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-out: cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { margin: 0; padding: 0; }

body {
  font-family: 'Space Grotesk', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 17px;
  line-height: 1.55;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

.mono {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 0.78em;
  letter-spacing: 0.04em;
  font-weight: 500;
}

a { color: inherit; text-decoration: none; }
em { font-style: italic; color: var(--accent); font-weight: 500; }
strong { font-weight: 600; color: var(--text); }
code { font-family: 'JetBrains Mono', monospace; font-size: 0.86em; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

/* ============================================================
   SIDE RAIL
============================================================ */
.rail {
  position: fixed;
  top: 0; left: 0;
  width: var(--rail-w);
  height: 100vh;
  padding: 1.5rem 1.25rem;
  background: linear-gradient(180deg, oklch(15% 0.012 240 / 0.96), oklch(15% 0.012 240 / 0.7));
  border-right: 1px solid var(--rule-soft);
  backdrop-filter: blur(8px);
  display: flex;
  flex-direction: column;
  z-index: 100;
  font-size: 0.82rem;
}

.rail-mark {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--rule-soft);
}
.rail-logo {
  width: 100%;
  max-width: 170px;
  height: auto;
  display: block;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.7; transform: scale(0.92); }
}

.rail-nav {
  margin-top: 1.25rem;
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0.05rem;
  scrollbar-width: thin;
  scrollbar-color: var(--rule) transparent;
}
.rail-nav::-webkit-scrollbar { width: 4px; }
.rail-nav::-webkit-scrollbar-thumb { background: var(--rule); border-radius: 2px; }

.rail-nav a {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 0.5rem;
  padding: 0.45rem 0.5rem;
  border-radius: 4px;
  color: var(--muted);
  transition: all 0.18s var(--ease);
  position: relative;
  align-items: center;
}
.rail-nav a:hover { color: var(--text-2); background: oklch(22% 0.012 240 / 0.4); }
.rail-nav a.active {
  color: var(--text);
  background: oklch(22% 0.012 240 / 0.7);
}
.rail-nav a.active::before {
  content: "";
  position: absolute;
  left: -1.25rem; top: 50%;
  width: 3px; height: 60%;
  background: var(--accent);
  transform: translateY(-50%);
  border-radius: 0 2px 2px 0;
}
.rail-nav .num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem;
  letter-spacing: 0.05em;
  color: var(--dim);
}
.rail-nav a.active .num { color: var(--accent); }
.rail-nav .lbl { font-size: 0.82rem; }

.rail-foot {
  padding-top: 1rem;
  border-top: 1px solid var(--rule-soft);
  color: var(--dim);
  font-size: 0.7rem;
}

/* ============================================================
   GLOBAL LAYOUT
============================================================ */
.section, .hero, .divider, .page-foot {
  margin-left: var(--rail-w);
  padding: clamp(4rem, 8vw, 7rem) clamp(1.5rem, 5vw, 5rem);
}
.section { max-width: calc(var(--maxw) + var(--rail-w)); }
.section-tinted { background: var(--bg-tinted); border-block: 1px solid var(--rule-soft); }

.section-head { max-width: 780px; margin-bottom: 3rem; }

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--accent);
  margin-bottom: 1.25rem;
  font-size: 0.75rem;
}
.section-tag span {
  display: inline-block;
  padding: 0.2rem 0.55rem;
  border: 1px solid var(--accent);
  border-radius: 2px;
  background: oklch(78% 0.13 200 / 0.08);
}

.section-title {
  font-size: clamp(2rem, 3.6vw, 3.1rem);
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0 0 1.25rem 0;
  text-wrap: balance;
}

.section-lede {
  font-size: 1.1rem;
  color: var(--text-2);
  font-weight: 300;
  line-height: 1.6;
  text-wrap: pretty;
  max-width: 64ch;
}

.sub-title {
  font-size: 1.15rem;
  font-weight: 500;
  margin: 2rem 0 1rem 0;
  color: var(--text);
}

/* ============================================================
   HERO
============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding-top: 1.25rem;
  overflow: hidden;
  border-bottom: 1px solid var(--rule-soft);
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, oklch(34% 0.012 240 / 0.08) 1px, transparent 1px),
    linear-gradient(to bottom, oklch(34% 0.012 240 / 0.08) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 40%, black 30%, transparent 90%);
  pointer-events: none;
  z-index: 0;
}
.hero::after {
  content: "";
  position: absolute;
  top: 20%; right: -10%;
  width: 600px; height: 600px;
  background: radial-gradient(circle, var(--accent-glow), transparent 60%);
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 0 2.5rem 0;
  position: relative;
  z-index: 2;
}
.brand { display: flex; align-items: center; gap: 0.85rem; }
.brand-logo {
  height: 32px;
  width: auto;
  display: block;
}
.brand-tag { font-size: 0.7rem; color: var(--muted); padding-left: 0.85rem; border-left: 1px solid var(--rule); }

.topbar-meta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--muted);
  font-size: 0.72rem;
}
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--muted); }
.dot.live { background: var(--accent); animation: pulse 1.6s ease-in-out infinite; }

.hero-inner {
  position: relative;
  z-index: 2;
  margin: auto 0;
  padding: 2rem 0;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--accent);
  margin-bottom: 1.75rem;
}
.hero-eyebrow .line {
  display: inline-block;
  width: 32px; height: 1px;
  background: var(--accent);
}

.hero-title {
  font-size: clamp(2.4rem, 5.5vw, 4.6rem);
  font-weight: 400;
  line-height: 1.04;
  letter-spacing: -0.025em;
  margin: 0 0 2rem 0;
  max-width: 22ch;
}
.hero-title span {
  display: block;
  text-wrap: balance;
}
.hero-title em { color: var(--accent); font-weight: 500; }

.reveal { opacity: 1; transform: none; }
.reveal.in {
  animation: revealIn 0.9s cubic-bezier(0.4, 0, 0.2, 1);
}
@keyframes revealIn {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: none; }
}
@media (prefers-reduced-motion: reduce) {
  .reveal.in { animation: none; }
}

.hero-lede {
  font-size: 1.2rem;
  color: var(--text-2);
  font-weight: 300;
  max-width: 60ch;
  margin-bottom: 3.5rem;
  text-wrap: pretty;
}
.hero-tagline {
  display: inline-block;
  margin-top: 0.85rem;
  color: var(--accent);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
}

/* Hero canvas — animated 4-component flow */
.hero-canvas {
  position: relative;
  margin: 1rem 0 3rem 0;
  max-width: 920px;
}
.hero-flow {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}
.flow-path {
  fill: none;
  stroke: var(--rule);
  stroke-width: 1;
  stroke-dasharray: 4 6;
}
.flow-traveler, .flow-traveler-2 {
  fill: var(--accent);
  filter: drop-shadow(0 0 6px var(--accent));
  animation: travel 4s linear infinite;
}
.flow-traveler-2 { animation-delay: 2s; }
@keyframes travel {
  0%   { transform: translateX(0); opacity: 0; }
  10%  { opacity: 1; }
  90%  { opacity: 1; }
  100% { transform: translateX(810px); opacity: 0; }
}

.hero-stages {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  position: relative;
  z-index: 1;
}
.hero-stage {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.85rem;
  padding: 1rem;
  background: var(--bg-elev);
  border: 1px solid var(--rule-soft);
  border-radius: 6px;
  position: relative;
}
.stage-icon {
  width: 56px; height: 56px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.stage-icon .ring {
  position: absolute;
  inset: 0;
  border: 1px solid var(--accent);
  border-radius: 50%;
  opacity: 0.5;
  animation: ring-pulse 3s ease-in-out infinite;
}
.stage-icon .core {
  width: 14px; height: 14px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 12px var(--accent-glow);
}
@keyframes ring-pulse {
  0%, 100% { transform: scale(1); opacity: 0.5; }
  50% { transform: scale(1.3); opacity: 0.1; }
}
.hero-stage[data-stage="server"] .stage-icon .ring { animation-delay: 0.6s; }
.hero-stage[data-stage="indexer"] .stage-icon .ring { animation-delay: 1.2s; }
.hero-stage[data-stage="dashboard"] .stage-icon .ring { animation-delay: 1.8s; }

.stage-label { text-align: center; }
.stage-name { font-size: 1rem; font-weight: 500; }
.stage-sub { color: var(--muted); }

.hero-foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: auto;
  padding-top: 2rem;
  position: relative;
  z-index: 2;
  flex-wrap: wrap;
  gap: 1rem;
}
.hero-meta { display: flex; align-items: center; gap: 0.5rem; color: var(--muted); }
.hero-meta .sep { color: var(--dim); }

.scroll-cue {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--text-2);
  padding: 0.5rem 0.85rem;
  border: 1px solid var(--rule);
  border-radius: 999px;
  transition: all 0.2s var(--ease);
}
.scroll-cue:hover { color: var(--accent); border-color: var(--accent); }
.scroll-cue svg { animation: bobble 1.8s ease-in-out infinite; }
@keyframes bobble {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(3px); }
}

/* ============================================================
   STATS ROW
============================================================ */
.stat-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1px;
  background: var(--rule-soft);
  border: 1px solid var(--rule-soft);
  border-radius: 6px;
  overflow: hidden;
  margin-bottom: 2.5rem;
}
.stat-card {
  background: var(--bg-elev);
  padding: 1.75rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.stat-num {
  font-size: clamp(2.4rem, 4vw, 3.4rem);
  font-weight: 300;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--accent);
  font-feature-settings: 'tnum';
}
.stat-cap {
  color: var(--muted);
  font-size: 0.7rem;
  margin-top: 0.4rem;
}
.stat-detail {
  color: var(--text-2);
  font-size: 0.92rem;
  font-weight: 300;
  margin-top: 0.6rem;
}

/* ============================================================
   CALLOUT
============================================================ */
.callout {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: 1rem 1.25rem;
  border-left: 2px solid var(--accent);
  background: oklch(78% 0.13 200 / 0.04);
  border-radius: 0 4px 4px 0;
  font-size: 0.94rem;
  color: var(--text-2);
}
.callout-tag {
  color: var(--accent);
  flex-shrink: 0;
  padding-top: 0.1rem;
}
.callout-warn { border-left-color: var(--warn); background: oklch(78% 0.13 70 / 0.05); }
.callout-warn .callout-tag { color: var(--warn); }

/* ============================================================
   STACK DIAGRAM
============================================================ */
.stack-diagram {
  position: relative;
  height: 480px;
  margin-bottom: 2rem;
}
.stack-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.stack-link {
  fill: none;
  stroke: var(--rule);
  stroke-width: 1.4;
  stroke-dasharray: 4 5;
  transition: stroke 0.3s var(--ease), stroke-width 0.3s var(--ease);
}
.stack-link.active {
  stroke: var(--accent);
  stroke-width: 2;
  stroke-dasharray: none;
  filter: drop-shadow(0 0 6px var(--accent-glow));
}

.stack-node {
  position: absolute;
  width: 200px;
  padding: 1rem 1.1rem;
  background: var(--bg-elev);
  border: 1px solid var(--rule);
  border-radius: 6px;
  text-align: left;
  transition: all 0.25s var(--ease);
  cursor: pointer;
}
.stack-node:hover, .stack-node.active {
  border-color: var(--accent);
  background: oklch(22% 0.012 240);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px oklch(0% 0 0 / 0.3), 0 0 0 1px var(--accent);
}
.stack-node.dim { opacity: 0.35; }

.stack-node .node-cap {
  color: var(--muted);
  font-size: 0.65rem;
  margin-bottom: 0.4rem;
}
.stack-node:hover .node-cap, .stack-node.active .node-cap { color: var(--accent); }
.stack-node .node-name {
  font-size: 1.15rem;
  font-weight: 500;
  margin-bottom: 0.25rem;
}
.stack-node .node-desc {
  font-size: 0.85rem;
  color: var(--text-2);
  line-height: 1.4;
}

.n-suricata { left: 2%;  top: 60px; }
.n-wazuh    { left: 38%; top: 180px; width: 240px; border-color: var(--accent); background: oklch(22% 0.018 240); }
.n-wazuh::before {
  content: "CORE";
  position: absolute;
  top: -10px; right: 12px;
  background: var(--accent);
  color: var(--bg);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  padding: 2px 7px;
  border-radius: 2px;
}
.n-thehive  { right: 2%;  top: 60px; }
.n-cortex   { right: 8%;  top: 290px; }
.n-misp     { left: 2%;   top: 290px; }

.flow-narrative {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  flex-wrap: wrap;
  padding: 1rem 1.25rem;
  background: var(--bg-elev);
  border: 1px solid var(--rule-soft);
  border-radius: 4px;
  font-size: 0.85rem;
  color: var(--text-2);
}
.flow-narrative .arr { color: var(--accent); }
.flow-narrative .hl { color: var(--accent); font-weight: 600; }

/* ============================================================
   ARCHITECTURE FLOW
============================================================ */
.arch-flow {
  display: grid;
  grid-template-columns: 1fr 60px 1fr 60px 1fr 60px 1fr;
  align-items: center;
  margin-bottom: 3rem;
  position: relative;
}

.arch-node {
  background: var(--bg-elev);
  border: 1px solid var(--rule);
  border-radius: 6px;
  padding: 1.25rem 1rem;
  text-align: center;
  transition: all 0.3s var(--ease);
  cursor: pointer;
  position: relative;
}
.arch-node:hover, .arch-node.active {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 0 0 1px var(--accent), 0 0 24px var(--accent-glow);
}
.arch-node-label { font-size: 1.05rem; font-weight: 500; margin-bottom: 0.3rem; }
.arch-node-sub { color: var(--muted); font-size: 0.82rem; }

.arch-link {
  height: 2px;
  background: var(--rule);
  position: relative;
  overflow: visible;
}
.arch-link::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  transform: translateX(-100%);
  animation: pulse-line 3.2s ease-in-out infinite;
}
.arch-link[data-link="1-2"]::before { animation-delay: 0s; }
.arch-link[data-link="2-3"]::before { animation-delay: 0.6s; }
.arch-link[data-link="3-4"]::before { animation-delay: 1.2s; }
@keyframes pulse-line {
  0% { transform: translateX(-100%); }
  60% { transform: translateX(100%); }
  100% { transform: translateX(100%); }
}

.arch-link-label {
  position: absolute;
  top: -1.6rem;
  left: 50%;
  transform: translateX(-50%);
  white-space: nowrap;
  color: var(--muted);
  font-size: 0.65rem;
  background: var(--bg);
  padding: 0 0.4rem;
}

.arch-steps {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}
.arch-steps li {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  padding: 1rem;
  background: var(--bg-elev);
  border: 1px solid var(--rule-soft);
  border-radius: 4px;
  font-size: 0.9rem;
  color: var(--text-2);
  transition: all 0.25s var(--ease);
}
.arch-steps li.highlight {
  border-color: var(--accent);
  background: oklch(22% 0.014 240);
}
.step-tick {
  color: var(--accent);
  font-size: 0.7rem;
  flex-shrink: 0;
  padding-top: 0.1rem;
}

/* ============================================================
   CAPABILITY GRID (Server)
============================================================ */
.capability-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1px;
  background: var(--rule-soft);
  border: 1px solid var(--rule-soft);
  border-radius: 6px;
  overflow: hidden;
}
.capability {
  background: var(--bg-elev);
  padding: 1.5rem;
  position: relative;
  transition: background 0.25s var(--ease);
}
.capability:hover { background: var(--surface); }
.cap-num {
  color: var(--accent);
  font-size: 0.7rem;
  margin-bottom: 0.6rem;
}
.capability h3 {
  font-size: 1.1rem;
  font-weight: 500;
  margin: 0 0 0.5rem 0;
}
.capability p {
  color: var(--text-2);
  font-size: 0.92rem;
  margin: 0 0 0.85rem 0;
}
.capability code {
  display: inline-block;
  font-size: 0.75rem;
  color: var(--accent);
  background: oklch(78% 0.13 200 / 0.08);
  padding: 0.2rem 0.5rem;
  border-radius: 3px;
}

/* ============================================================
   SPLIT (Indexer/Dashboard etc.)
============================================================ */
.split {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1rem;
}
.split-card {
  background: var(--bg-elev);
  border: 1px solid var(--rule-soft);
  border-radius: 6px;
  padding: 1.5rem;
}
.split-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 1rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--rule-soft);
  flex-wrap: wrap;
  gap: 0.5rem;
}
.split-cap { color: var(--accent); font-size: 0.72rem; }
.split-port { color: var(--muted); font-size: 0.72rem; }
.split-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}
.split-list li {
  font-size: 0.95rem;
  color: var(--text-2);
  padding-left: 1.1rem;
  position: relative;
  line-height: 1.5;
}
.split-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.55em;
  width: 6px; height: 1px;
  background: var(--accent);
}

/* ============================================================
   MODULES GRID
============================================================ */
.modules {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1px;
  background: var(--rule-soft);
  border: 1px solid var(--rule-soft);
  border-radius: 6px;
  overflow: hidden;
  margin-bottom: 3rem;
}
.module {
  background: var(--bg-elev);
  padding: 1.5rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  transition: background 0.25s var(--ease);
  position: relative;
}
.module:hover {
  background: var(--surface);
}
.module:hover .mod-glyph .g { transform: scale(1.1); border-color: var(--accent); }

.mod-glyph {
  width: 32px; height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.5rem;
}
.mod-glyph .g {
  width: 18px; height: 18px;
  border: 1.5px solid var(--text-2);
  transition: all 0.3s var(--ease);
}
.mod-glyph .g-1 { border-radius: 0; }
.mod-glyph .g-2 { border-radius: 50%; }
.mod-glyph .g-3 { transform: rotate(45deg); }
.mod-glyph .g-4 { border-radius: 0; border-style: dashed; }
.mod-glyph .g-5 { border-radius: 2px; border-bottom-width: 4px; border-bottom-color: var(--accent); }
.mod-glyph .g-6 { border-radius: 50%; border-top-width: 4px; border-top-color: var(--warn); }
.mod-glyph .g-7 { border-radius: 0; transform: rotate(45deg); width: 14px; height: 14px; }
.mod-glyph .g-8 { border-radius: 999px; width: 22px; height: 12px; }

.module h3 {
  font-size: 0.98rem;
  font-weight: 500;
  margin: 0;
}
.module p {
  font-size: 0.85rem;
  color: var(--muted);
  margin: 0;
}

/* Grouping layers */
.grouping { margin-top: 2rem; }
.layer-stack {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}
.layer {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 1.25rem;
  padding: 1rem 1.25rem;
  background: var(--bg-elev);
  border: 1px solid var(--rule-soft);
  border-radius: 4px;
  align-items: center;
  position: relative;
  border-left: 3px solid var(--rule);
}
.layer-1 { border-left-color: var(--accent); margin-left: 0; }
.layer-2 { border-left-color: var(--accent-2); margin-left: 1.5rem; }
.layer-3 { border-left-color: var(--warn); margin-left: 3rem; }
.layer-cap { color: var(--accent); font-size: 0.72rem; }
.layer-2 .layer-cap { color: var(--accent-2); }
.layer-3 .layer-cap { color: var(--warn); }
.layer-body { color: var(--text-2); font-size: 0.93rem; }
.layer-body code {
  background: var(--surface);
  padding: 0.1rem 0.4rem;
  border-radius: 2px;
  font-size: 0.78rem;
}

/* ============================================================
   DIVIDER
============================================================ */
.divider {
  text-align: center;
  padding-block: 6rem;
  background: var(--bg-tinted);
  border-block: 1px solid var(--rule-soft);
  position: relative;
  overflow: hidden;
}
.divider::before {
  content: "";
  position: absolute;
  top: 50%; left: 50%;
  width: 800px; height: 800px;
  background: radial-gradient(circle, var(--accent-glow), transparent 60%);
  transform: translate(-50%, -50%);
  filter: blur(120px);
  opacity: 0.4;
  pointer-events: none;
}
.divider-inner { position: relative; max-width: 720px; margin: 0 auto; }
.divider-cap { color: var(--accent); margin-bottom: 1.25rem; }
.divider-title {
  font-size: clamp(2.4rem, 4.5vw, 3.6rem);
  font-weight: 400;
  letter-spacing: -0.025em;
  margin: 0 0 1rem 0;
  line-height: 1.05;
}
.divider-sub {
  color: var(--text-2);
  font-size: 1.1rem;
  font-weight: 300;
  text-wrap: pretty;
  margin: 0 auto;
}

/* ============================================================
   PIPELINE
============================================================ */
.pipeline {
  list-style: none;
  padding: 0;
  margin: 0 0 2.5rem 0;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.5rem;
  position: relative;
}
.pipeline::before {
  content: "";
  position: absolute;
  top: 38px;
  left: 5%;
  right: 5%;
  height: 1px;
  background: var(--rule);
  z-index: 0;
}

.pipe-step {
  background: var(--bg-elev);
  border: 1px solid var(--rule-soft);
  border-radius: 6px;
  padding: 1.25rem 1rem;
  position: relative;
  z-index: 1;
  text-align: center;
  transition: all 0.3s var(--ease);
}
.pipe-step.active {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent), 0 0 24px var(--accent-glow);
  transform: translateY(-3px);
}
.pipe-num {
  display: inline-block;
  width: 28px; height: 28px;
  line-height: 28px;
  text-align: center;
  background: var(--surface);
  border-radius: 50%;
  color: var(--accent);
  font-size: 0.65rem;
  margin-bottom: 0.6rem;
  border: 1px solid var(--rule);
}
.pipe-step.active .pipe-num {
  background: var(--accent);
  color: var(--bg);
  border-color: var(--accent);
}
.pipe-name {
  font-size: 1rem;
  font-weight: 500;
  margin-bottom: 0.4rem;
}
.pipe-desc {
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.45;
}

/* Terminal */
.terminal {
  background: oklch(11% 0.012 240);
  border: 1px solid var(--rule);
  border-radius: 6px;
  overflow: hidden;
  margin-bottom: 1.5rem;
  box-shadow: 0 8px 32px oklch(0% 0 0 / 0.3);
}
.term-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.6rem 1rem;
  background: var(--surface);
  border-bottom: 1px solid var(--rule);
  gap: 1rem;
}
.term-dots { display: flex; gap: 0.4rem; }
.term-dots span {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--rule);
}
.term-dots span:nth-child(1) { background: oklch(62% 0.18 25); }
.term-dots span:nth-child(2) { background: oklch(76% 0.13 80); }
.term-dots span:nth-child(3) { background: oklch(70% 0.13 155); }
.term-title { color: var(--muted); font-size: 0.7rem; }
.term-replay {
  color: var(--accent);
  font-size: 0.7rem;
  padding: 0.3rem 0.65rem;
  border: 1px solid var(--rule);
  border-radius: 3px;
  transition: all 0.18s var(--ease);
}
.term-replay:hover { background: oklch(78% 0.13 200 / 0.1); border-color: var(--accent); }

.term-body {
  padding: 1.1rem 1.25rem;
  font-size: 0.86rem;
  line-height: 1.7;
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}
.term-line {
  opacity: 1;
  transform: none;
  color: var(--text-2);
}
.term-line.pending { opacity: 0; transform: translateY(4px); }
.term-line.in { animation: revealIn 0.4s cubic-bezier(0.4, 0, 0.2, 1) both; }
.t-prompt { color: var(--accent); display: inline-block; width: 1.3em; }
.t-raw { color: var(--text); }
.t-key { color: var(--accent); font-weight: 500; }
.t-warn { color: var(--warn); font-weight: 500; }
.t-alert {
  color: var(--crit);
  background: oklch(70% 0.18 25 / 0.08);
  padding: 0.1rem 0.4rem;
  border-radius: 2px;
  font-weight: 500;
}

/* ============================================================
   CODE PAIR (decoders & rules)
============================================================ */
.code-pair {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 1rem;
  margin-bottom: 1rem;
}
.code-card {
  background: oklch(11% 0.012 240);
  border: 1px solid var(--rule);
  border-radius: 6px;
  overflow: hidden;
}
.code-card-wide { margin-bottom: 1.5rem; }
.code-head {
  display: flex;
  justify-content: space-between;
  padding: 0.65rem 1rem;
  background: var(--surface);
  border-bottom: 1px solid var(--rule);
  font-size: 0.7rem;
}
.code-cap { color: var(--accent); }
.code-file { color: var(--muted); }
.code-card pre {
  margin: 0;
  padding: 1.1rem 1.25rem;
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--text-2);
  overflow-x: auto;
}
.code-mini {
  background: oklch(11% 0.012 240);
  border-radius: 0 0 4px 4px;
  margin: 0 !important;
}
.x-tag { color: oklch(72% 0.12 280); }
.x-attr { color: var(--accent); }
.x-str { color: var(--warn); }
.x-com { color: var(--dim); font-style: italic; }

.bullet-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  font-size: 0.92rem;
  color: var(--text-2);
  padding: 1rem 1.25rem;
  background: var(--bg-elev);
  border: 1px solid var(--rule-soft);
  border-radius: 4px;
}
.b-tick { color: var(--accent); margin-right: 0.5rem; }

/* ============================================================
   FIM
============================================================ */
.fim-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 1.5rem;
}
.fim-how {
  background: var(--bg-elev);
  border: 1px solid var(--rule-soft);
  border-radius: 6px;
  padding: 1.5rem;
}
.fim-how h3 { font-size: 1.1rem; font-weight: 500; margin: 0 0 1rem 0; }

.checklist {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}
.checklist li {
  font-size: 0.93rem;
  color: var(--text-2);
  padding-left: 1.5rem;
  position: relative;
  line-height: 1.5;
}
.checklist li::before {
  content: "✓";
  position: absolute;
  left: 0; top: 0;
  color: var(--accent);
  font-weight: 600;
}

.fim-demo {
  background: var(--bg-elev);
  border: 1px solid var(--rule-soft);
  border-radius: 6px;
  padding: 1.5rem;
}
.demo-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--rule-soft);
  flex-wrap: wrap;
  gap: 0.5rem;
}
.demo-cap { color: var(--accent); font-size: 0.7rem; }
.demo-title { font-size: 1rem; font-weight: 500; }

.demo-steps {
  list-style: none;
  padding: 0;
  margin: 0 0 1.25rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.demo-step {
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 0.75rem;
  align-items: center;
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--rule-soft);
  border-radius: 4px;
  font-size: 0.9rem;
  color: var(--text-2);
  opacity: 1;
  transform: none;
  background: oklch(17% 0.012 240);
}
.demo-step.pending { opacity: 0.35; transform: translateX(-4px); }
.demo-step.in { animation: demoStepIn 0.4s cubic-bezier(0.4, 0, 0.2, 1) both; border-color: var(--accent); }
.demo-step.in.done { opacity: 0.9; border-color: var(--rule); animation: none; }
@keyframes demoStepIn {
  from { opacity: 0.35; transform: translateX(-4px); }
  to   { opacity: 1; transform: none; }
}
.ds-num {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--surface);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
}
.demo-step.in .ds-num { background: var(--accent); color: var(--bg); }

.demo-alert {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 1rem;
  background: oklch(70% 0.18 25 / 0.06);
  border: 1px solid oklch(70% 0.18 25 / 0.3);
  border-radius: 4px;
  font-size: 0.82rem;
  color: var(--text-2);
  opacity: 1;
  transform: none;
}
.demo-alert.pending { opacity: 0; transform: translateY(4px); }
.demo-alert.in { animation: revealIn 0.5s cubic-bezier(0.4, 0, 0.2, 1) both; }
.alert-pulse {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--crit);
  flex-shrink: 0;
  animation: pulse 1.6s ease-in-out infinite;
  box-shadow: 0 0 8px var(--crit);
}

/* ============================================================
   ACTIVE RESPONSE CHAIN
============================================================ */
.ar-chain {
  list-style: none;
  padding: 0;
  margin: 0 0 2.5rem 0;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1rem;
  position: relative;
}
.ar-chain::before {
  content: "";
  position: absolute;
  top: 26px;
  left: 8%; right: 8%;
  height: 1px;
  background: var(--rule);
}
.ar-chain li {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  position: relative;
  z-index: 1;
}
.ar-num {
  width: 52px; height: 52px;
  border-radius: 50%;
  background: var(--bg-elev);
  border: 1px solid var(--rule);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 0.72rem;
  position: relative;
}
.ar-num::after {
  content: "";
  position: absolute;
  inset: 4px;
  border: 1px solid transparent;
  border-radius: 50%;
  transition: all 0.3s var(--ease);
}
.ar-chain li.active .ar-num {
  background: var(--accent);
  color: var(--bg);
  border-color: var(--accent);
  box-shadow: 0 0 16px var(--accent-glow);
}
.ar-name { font-size: 0.92rem; font-weight: 500; color: var(--text-2); }
.ar-chain li.active .ar-name { color: var(--text); }

/* ============================================================
   VULNERABILITY
============================================================ */
.vuln-flow {
  list-style: none;
  padding: 0;
  margin: 0 0 2rem 0;
  display: grid;
  grid-template-columns: 1fr 24px 1fr 24px 1fr;
  align-items: center;
  gap: 0.5rem;
}
.vuln-flow li {
  background: var(--bg-elev);
  border: 1px solid var(--rule);
  border-radius: 6px;
  padding: 1.5rem 1.25rem;
  text-align: center;
}
.vuln-flow li:nth-child(2),
.vuln-flow li:nth-child(4) {
  display: none;
}
.vuln-flow {
  position: relative;
}
.vuln-flow::before, .vuln-flow::after {
  content: "→";
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  color: var(--accent);
  font-size: 1.3rem;
  font-family: 'JetBrains Mono', monospace;
}
.vuln-flow::before { left: calc(33.3% - 0.6rem); }
.vuln-flow::after { left: calc(66.6% - 0.6rem); }
.v-num { color: var(--accent); font-size: 0.7rem; margin-bottom: 0.6rem; }
.v-name { font-size: 1.1rem; font-weight: 500; margin-bottom: 0.4rem; }
.v-sub { color: var(--muted); font-size: 0.85rem; }

.vuln-example {
  background: var(--bg-elev);
  border: 1px solid var(--rule-soft);
  border-radius: 6px;
  overflow: hidden;
}
.ve-row {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 1.5rem;
  padding: 1rem 1.5rem;
  align-items: center;
  border-top: 1px solid var(--rule-soft);
}
.ve-row:first-child { border-top: 0; }
.ve-cap { color: var(--accent); font-size: 0.7rem; }
.ve-val { font-size: 0.95rem; color: var(--text-2); }
.ve-val code { color: var(--text); background: var(--surface); padding: 0.15rem 0.45rem; border-radius: 3px; font-size: 0.82rem; }
.cve {
  display: inline-block;
  background: oklch(70% 0.18 25 / 0.12);
  color: oklch(78% 0.16 25);
  padding: 0.2rem 0.55rem;
  border-radius: 3px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  font-weight: 500;
  margin-right: 0.5rem;
}
.cvss {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  padding: 0.2rem 0.55rem;
  border-radius: 3px;
  font-weight: 500;
}
.cvss-crit { background: oklch(70% 0.18 25 / 0.12); color: oklch(78% 0.16 25); }

/* ============================================================
   SCA
============================================================ */
.sca-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1px;
  background: var(--rule-soft);
  border: 1px solid var(--rule-soft);
  border-radius: 6px;
  overflow: hidden;
  margin-bottom: 2rem;
}
.sca-card {
  background: var(--bg-elev);
  padding: 1.5rem;
}
.sca-card h3 {
  font-size: 1.05rem;
  font-weight: 500;
  margin: 0 0 0.5rem 0;
  color: var(--accent);
}
.sca-card p { font-size: 0.92rem; color: var(--text-2); margin: 0; line-height: 1.5; }

.sca-bench {
  background: var(--bg-elev);
  border: 1px solid var(--rule-soft);
  border-radius: 6px;
  padding: 1.5rem;
}
.bench-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.bench-cap { color: var(--accent); font-size: 0.7rem; }
.bench-name { font-size: 1.05rem; font-weight: 500; }

.bench-bar {
  display: flex;
  height: 36px;
  background: var(--surface);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 1rem;
}
.bench-bar .seg {
  width: var(--pct);
  display: flex;
  align-items: center;
  justify-content: flex-start;
  padding-left: 0.75rem;
  font-size: 0.7rem;
  color: var(--bg);
  font-weight: 600;
  white-space: nowrap;
  transition: width 1.2s var(--ease);
}
.seg-pass { background: var(--pass); }
.seg-fail { background: oklch(70% 0.18 25); color: white; }
.seg-na   { background: var(--muted); }
.seg-label { color: inherit; }

.bench-failed {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  font-size: 0.78rem;
  color: var(--muted);
}
.bench-fail-cap { color: var(--text-2); margin-right: 0.5rem; }
.chip {
  display: inline-block;
  padding: 0.25rem 0.6rem;
  background: oklch(70% 0.18 25 / 0.08);
  border: 1px solid oklch(70% 0.18 25 / 0.25);
  color: oklch(80% 0.14 25);
  border-radius: 3px;
  font-size: 0.72rem;
}

/* ============================================================
   PORTS TABLE
============================================================ */
.ports-table {
  background: var(--bg-elev);
  border: 1px solid var(--rule-soft);
  border-radius: 6px;
  overflow: hidden;
  margin-bottom: 1.5rem;
}
.ports-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1.1fr 1fr 2fr;
  align-items: center;
  padding: 0.85rem 1.25rem;
  font-size: 0.9rem;
  color: var(--text-2);
  border-top: 1px solid var(--rule-soft);
  transition: background 0.2s var(--ease);
}
.ports-row:hover:not(.ports-head) { background: var(--surface); }
.ports-head {
  background: var(--surface);
  border-top: 0;
  color: var(--muted);
  padding-block: 0.7rem;
}
.port-cell { color: var(--accent); }
.proto {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  padding: 0.18rem 0.5rem;
  border-radius: 3px;
  font-weight: 500;
}
.proto-aes { background: oklch(80% 0.15 195 / 0.12); color: var(--accent); }
.proto-tls { background: oklch(80% 0.15 195 / 0.12); color: var(--accent); }
.proto-https { background: oklch(76% 0.13 155 / 0.12); color: var(--pass); }

/* ============================================================
   DEPLOYMENT
============================================================ */
.deploy-models {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1px;
  background: var(--rule-soft);
  border: 1px solid var(--rule-soft);
  border-radius: 6px;
  overflow: hidden;
  margin-bottom: 2rem;
}
.dep-model {
  background: var(--bg-elev);
  padding: 1.5rem;
  transition: background 0.25s var(--ease);
}
.dep-model:hover { background: var(--surface); }
.dep-cap { color: var(--accent); font-size: 0.7rem; margin-bottom: 0.6rem; }
.dep-model h3 { font-size: 1.1rem; font-weight: 500; margin: 0 0 0.5rem 0; }
.dep-model p { color: var(--text-2); font-size: 0.92rem; margin: 0; line-height: 1.5; }

.sizing {
  background: var(--bg-elev);
  border: 1px solid var(--rule-soft);
  border-radius: 6px;
  overflow: hidden;
}
.sizing-head { padding: 1.25rem 1.5rem; border-bottom: 1px solid var(--rule-soft); }
.sizing-head h3 { font-size: 1.05rem; font-weight: 500; margin: 0; }
.sizing-table { display: flex; flex-direction: column; }
.sz-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr 2fr;
  padding: 0.8rem 1.5rem;
  font-size: 0.92rem;
  color: var(--text-2);
  border-top: 1px solid var(--rule-soft);
}
.sz-head { background: var(--surface); color: var(--muted); border-top: 0; }
.sz-row-warn { color: var(--warn); }
.sz-row-warn div:last-child { font-style: italic; }

/* ============================================================
   INSTALL
============================================================ */
.install-card {
  background: oklch(11% 0.012 240);
  border: 1px solid var(--rule);
  border-radius: 6px;
  overflow: hidden;
  margin-bottom: 2rem;
  box-shadow: 0 8px 32px oklch(0% 0 0 / 0.3);
}
.install-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.7rem 1.25rem;
  background: var(--surface);
  border-bottom: 1px solid var(--rule);
  font-size: 0.7rem;
}
.install-cap { color: var(--accent); }
.install-os { color: var(--muted); }
.install-code {
  margin: 0;
  padding: 1.5rem 1.5rem;
  font-size: 0.92rem;
  line-height: 2;
  color: var(--text);
}

.install-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
}
.install-block {
  background: var(--bg-elev);
  border: 1px solid var(--rule-soft);
  border-radius: 6px;
  padding: 1.5rem;
}
.install-block h3 {
  font-size: 1.05rem;
  font-weight: 500;
  margin: 0 0 1rem 0;
}
.path-list {
  list-style: none;
  padding: 0;
  margin: 0 0 1rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.path-list li {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.4rem 0.6rem;
  background: oklch(11% 0.012 240);
  border-radius: 3px;
  font-size: 0.8rem;
}
.p-path { color: var(--accent); }
.p-note { color: var(--muted); font-size: 0.7rem; }
.install-note { color: var(--muted); font-size: 0.85rem; margin: 0.5rem 0 0 0; }

/* ============================================================
   SUMMARY + TALPHA
============================================================ */
.section-final { padding-bottom: 4rem; }
.summary-list {
  list-style: none;
  padding: 0;
  margin: 0 0 4rem 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 0.6rem;
}
.summary-list li {
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  background: var(--bg-elev);
  border: 1px solid var(--rule-soft);
  border-radius: 4px;
  font-size: 0.95rem;
  color: var(--text-2);
  align-items: start;
}
.s-num {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: oklch(78% 0.13 200 / 0.1);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
}

.talpha {
  background: var(--bg-elev);
  border: 1px solid var(--rule-soft);
  border-radius: 8px;
  padding: clamp(1.5rem, 3vw, 2.5rem);
  position: relative;
  overflow: hidden;
}
.talpha::before {
  content: "";
  position: absolute;
  top: -100px; right: -100px;
  width: 300px; height: 300px;
  background: radial-gradient(circle, var(--accent-glow), transparent 70%);
  filter: blur(60px);
  pointer-events: none;
}
.talpha-head {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  position: relative;
}
.talpha-logo {
  height: 64px;
  width: auto;
  display: block;
  flex-shrink: 0;
}
.talpha-cap { color: var(--accent); font-size: 0.7rem; margin-bottom: 0.3rem; }
.talpha h3 { font-size: 1.6rem; font-weight: 500; margin: 0; letter-spacing: -0.01em; }
.talpha-lede {
  font-size: 1.05rem;
  color: var(--text-2);
  font-weight: 300;
  margin: 0 0 2rem 0;
  text-wrap: pretty;
  max-width: 64ch;
  position: relative;
}

.talpha-areas {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
  position: relative;
}
.ta-area {
  padding: 1.1rem 1.25rem;
  background: oklch(17% 0.012 240);
  border: 1px solid var(--rule-soft);
  border-radius: 4px;
  font-size: 0.92rem;
  color: var(--text-2);
}
.ta-cap { color: var(--accent); font-size: 0.7rem; margin-bottom: 0.5rem; display: block; }

.talpha-next {
  padding: 1.5rem;
  background: oklch(17% 0.012 240);
  border: 1px solid var(--rule-soft);
  border-radius: 4px;
  margin-bottom: 1.5rem;
  position: relative;
}
.next-cap { color: var(--accent); font-size: 0.7rem; margin-bottom: 1rem; display: block; }
.next-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  font-size: 0.95rem;
  color: var(--text-2);
}
.next-list .arrow { color: var(--accent); font-weight: 600; margin-right: 0.5rem; }

.talpha-foot {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  color: var(--text-2);
  font-size: 0.88rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule-soft);
  position: relative;
}
.foot-block { line-height: 1.6; }
.fb-cap { color: var(--accent); font-size: 0.7rem; margin-bottom: 0.5rem; display: block; }
.foot-block a { color: var(--text-2); transition: color 0.2s var(--ease); }
.foot-block a:hover { color: var(--accent); }

.talpha-team {
  padding: 1.25rem 1.5rem;
  background: oklch(17% 0.012 240);
  border: 1px solid var(--rule-soft);
  border-radius: 4px;
  margin-bottom: 1rem;
  position: relative;
}
.team-cap { color: var(--accent); font-size: 0.7rem; margin-bottom: 0.85rem; display: block; }
.team-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}
.team-member {
  padding: 0.75rem 1rem;
  background: var(--bg-elev);
  border-left: 2px solid var(--accent);
  border-radius: 0 3px 3px 0;
}
.member-name { font-size: 1rem; font-weight: 500; margin-bottom: 0.25rem; }
.member-role { color: var(--muted); font-size: 0.7rem; }

/* ============================================================
   PAGE FOOTER
============================================================ */
.page-foot {
  padding-block: 2.5rem;
  border-top: 1px solid var(--rule-soft);
  background: var(--bg-elev);
}
.foot-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.72rem;
  color: var(--muted);
  flex-wrap: wrap;
  gap: 1rem;
}
.foot-links { display: flex; gap: 1.5rem; }
.foot-links a { transition: color 0.2s var(--ease); }
.foot-links a:hover { color: var(--accent); }

/* ============================================================
   RESPONSIVE
============================================================ */
@media (max-width: 1024px) {
  :root { --rail-w: 0px; }
  .rail {
    width: 100%;
    height: auto;
    flex-direction: row;
    align-items: center;
    padding: 0.75rem 1rem;
    gap: 1rem;
  }
  .rail-mark { padding-bottom: 0; border: 0; }
  .rail-mark .rail-logo { max-width: 110px; }
  .rail-nav { display: none; }
  .rail-foot { display: none; }
  .topbar .brand-logo { display: none; }
  .topbar .brand-tag { padding-left: 0; border-left: 0; }
  .section, .hero, .divider, .page-foot {
    margin-left: 0;
    padding-top: clamp(3rem, 8vw, 5rem);
  }
  .hero { padding-top: 4rem; }
}

@media (max-width: 760px) {
  .hero-title { font-size: 2.2rem; }
  .hero-stages { grid-template-columns: repeat(2, 1fr); }
  .hero-flow { display: none; }
  .arch-flow {
    grid-template-columns: 1fr;
    gap: 0.6rem;
  }
  .arch-link {
    height: 40px;
    width: 2px;
    margin: 0 auto;
    background: var(--rule);
  }
  .arch-link::before {
    width: 100%; height: 100%;
    background: linear-gradient(180deg, transparent, var(--accent), transparent);
  }
  .arch-link-label {
    top: 50%;
    left: calc(50% + 1rem);
    transform: translateY(-50%);
  }
  .pipeline { grid-template-columns: 1fr 1fr; }
  .pipeline::before { display: none; }
  .ar-chain { grid-template-columns: repeat(5, 1fr); gap: 0.4rem; }
  .ar-chain::before { left: 10%; right: 10%; }
  .ar-name { font-size: 0.78rem; }
  .vuln-flow { grid-template-columns: 1fr; gap: 1.5rem; }
  .vuln-flow::before, .vuln-flow::after { display: none; }
  .stack-diagram { height: auto; }
  .stack-svg { display: none; }
  .stack-node { position: relative; left: auto !important; right: auto !important; top: auto !important; width: 100%; margin-bottom: 0.6rem; }
  .ports-table { overflow-x: auto; }
  .ports-row { grid-template-columns: 1fr 1fr 1fr 1fr 2fr; min-width: 640px; }
  .sizing-table { overflow-x: auto; }
  .sz-row { min-width: 640px; }
  .ve-row { grid-template-columns: 1fr; gap: 0.4rem; }
  .layer-2 { margin-left: 0.75rem; }
  .layer-3 { margin-left: 1.5rem; }
  .layer { grid-template-columns: 1fr; gap: 0.4rem; }
}