/* === RESET & BASE === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #060d1a;
  --bg-2: #0a1525;
  --bg-card: #0d1e35;
  --teal: #00e5c8;
  --teal-dim: rgba(0,229,200,0.12);
  --teal-glow: rgba(0,229,200,0.35);
  --amber: #ffb020;
  --amber-dim: rgba(255,176,32,0.15);
  --text: #c8d8e8;
  --text-dim: #5a7a99;
  --text-bright: #eaf3ff;
  --mono: 'IBM Plex Mono', monospace;
  --sans: 'IBM Plex Sans', sans-serif;
  --border: rgba(0,229,200,0.1);
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* === TYPOGRAPHY === */
.section-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--teal);
  text-transform: uppercase;
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(28px, 3.5vw, 48px);
  font-weight: 700;
  color: var(--text-bright);
  line-height: 1.15;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.section-body {
  font-size: 16px;
  color: var(--text-dim);
  line-height: 1.75;
  max-width: 640px;
}

.section-body--narrow { max-width: 540px; }

/* === LAYOUT === */
.section-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
}

/* === TOPBAR === */
.topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
  height: 60px;
  background: rgba(6,13,26,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.topbar__brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-mark {
  font-size: 22px;
  color: var(--teal);
  line-height: 1;
}

.brand-name {
  font-family: var(--mono);
  font-size: 15px;
  font-weight: 600;
  color: var(--text-bright);
  letter-spacing: 0.05em;
}

.topbar__badge {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-dim);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 8px var(--teal);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* === HERO === */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 100px 0 80px;
  overflow: hidden;
}

.hero__grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 100%);
}

.hero__inner {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.hero__label {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
}

.label-bar {
  width: 24px;
  height: 2px;
  background: var(--teal);
  box-shadow: 0 0 8px var(--teal-glow);
}

.label-text {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--teal);
  text-transform: uppercase;
}

.hero__headline {
  font-size: clamp(36px, 4.5vw, 60px);
  font-weight: 700;
  color: var(--text-bright);
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.headline-accent {
  color: var(--teal);
  position: relative;
}

.hero__sub {
  font-size: 17px;
  color: var(--text-dim);
  line-height: 1.75;
  max-width: 500px;
  margin-bottom: 40px;
}

.hero__meta {
  display: flex;
  align-items: center;
  gap: 32px;
}

.meta-stat { display: flex; flex-direction: column; gap: 2px; }

.meta-val {
  font-family: var(--mono);
  font-size: 22px;
  font-weight: 600;
  color: var(--text-bright);
}

.meta-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.meta-divider {
  width: 1px;
  height: 36px;
  background: var(--border);
}

/* === NODE VISUALIZATION === */
.node-viz {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  max-width: 440px;
}

.node-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px solid var(--border);
}

.node-ring--outer {
  animation: spin 40s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

.node-ring--mid {
  inset: 25%;
  animation: spin 25s linear infinite reverse;
}

.node {
  position: absolute;
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--text-bright);
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 4px 10px;
  border-radius: 3px;
  white-space: nowrap;
}

.node--A { top: 2%; left: 50%; transform: translateX(-50%); color: var(--teal); border-color: rgba(0,229,200,0.3); }
.node--B { top: 15%; right: 6%; color: var(--text-dim); }
.node--C { top: 50%; right: -2%; transform: translateY(-50%); color: var(--text-dim); }
.node--D { bottom: 15%; right: 6%; color: var(--text-dim); }
.node--E { bottom: 2%; left: 50%; transform: translateX(-50%); color: var(--amber); border-color: rgba(255,176,32,0.3); }
.node--F { bottom: 15%; left: 6%; color: var(--text-dim); }
.node--G { top: 50%; left: -2%; transform: translateY(-50%); color: var(--text-dim); }
.node--H { top: 50%; right: -2%; transform: translateY(-50%); color: var(--text-dim); }
.node--I { top: -2%; left: 50%; transform: translateX(-50%); color: var(--text-dim); }

.node-core {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--teal-dim);
  border: 2px solid var(--teal);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  box-shadow: 0 0 30px var(--teal-glow), inset 0 0 20px rgba(0,229,200,0.1);
  z-index: 2;
}

.core-label {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--teal);
}

.core-pulse {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--teal);
  opacity: 0.4;
  animation: core-pulse 2s ease-in-out infinite;
  margin-top: 4px;
}

@keyframes core-pulse {
  0%, 100% { transform: scale(0.5); opacity: 0.4; }
  50% { transform: scale(1.2); opacity: 0.1; }
}

.node-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

/* === ARCHITECTURE === */
.arch {
  padding: 120px 0;
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.arch__header { margin-bottom: 64px; }

.arch__stack { display: flex; flex-direction: column; gap: 0; }

.arch-layer {
  padding: 28px 32px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg-card);
}

.layer-tag {
  display: block;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 16px;
}

.layer-icons { display: flex; gap: 10px; flex-wrap: wrap; }

.app-chip {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-bright);
  background: var(--teal-dim);
  border: 1px solid rgba(0,229,200,0.2);
  padding: 6px 14px;
  border-radius: 4px;
}

.arch-connector {
  display: flex;
  align-items: center;
  padding: 16px 32px;
  position: relative;
}

.connector-line {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--teal), transparent);
  position: relative;
}

.connector-line::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%,-50%);
  width: 8px;
  height: 8px;
  background: var(--teal);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--teal);
}

.connector-label {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--mono);
  font-size: 10px;
  color: var(--teal);
  letter-spacing: 0.1em;
  background: var(--bg-2);
  padding: 0 12px;
  white-space: nowrap;
}

.fabric-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.fabric-node {
  padding: 18px 20px;
  border: 1px solid rgba(0,229,200,0.15);
  border-radius: 4px;
  background: rgba(0,229,200,0.04);
}

.fn-name {
  display: block;
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--teal);
  letter-spacing: 0.08em;
  margin-bottom: 4px;
}

.fn-desc {
  display: block;
  font-size: 13px;
  color: var(--text-dim);
}

.infra-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.infra-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--bg);
}

.infra-icon {
  font-size: 20px;
  color: var(--teal);
  opacity: 0.6;
}

.infra-name {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--text-bright);
}

.infra-type {
  font-size: 11px;
  color: var(--text-dim);
}

/* === INTELLIGENCE ENGINE === */
.intel { padding: 120px 0; }

.intel__layout {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 80px;
  align-items: start;
}

.intel__pillars { display: flex; flex-direction: column; gap: 32px; margin-top: 48px; }

.pillar {
  display: flex;
  gap: 24px;
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg-2);
  transition: border-color 0.2s;
}

.pillar:hover { border-color: rgba(0,229,200,0.3); }

.pillar-num {
  font-family: var(--mono);
  font-size: 28px;
  font-weight: 700;
  color: rgba(0,229,200,0.2);
  line-height: 1;
  flex-shrink: 0;
  width: 48px;
}

.pillar-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-bright);
  margin-bottom: 8px;
}

.pillar-desc {
  font-size: 14px;
  color: var(--text-dim);
  line-height: 1.65;
}

/* Metric Panel */
.metric-panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 28px;
  margin-bottom: 20px;
}

.mp-header {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 24px;
}

.chart-bars {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  height: 80px;
  margin-bottom: 10px;
}

.bar {
  flex: 1;
  background: var(--teal-dim);
  border-radius: 2px 2px 0 0;
  height: var(--h);
  transition: height 0.3s;
  position: relative;
}

.bar--active { background: var(--teal); box-shadow: 0 0 10px var(--teal-glow); }

.chart-label {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--text-dim);
  text-align: right;
  letter-spacing: 0.08em;
}

.mp-stats {
  display: flex;
  gap: 24px;
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.ms { display: flex; flex-direction: column; gap: 2px; }

.ms-val {
  font-family: var(--mono);
  font-size: 20px;
  font-weight: 600;
  color: var(--text-bright);
}

.ms-key {
  font-size: 11px;
  color: var(--text-dim);
}

.status-row {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
}

.status-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-dim);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.status-dot--green { background: #22c55e; box-shadow: 0 0 6px rgba(34,197,94,0.6); }
.status-dot--amber { background: var(--amber); box-shadow: 0 0 6px rgba(255,176,32,0.6); }

/* === FINANCIAL === */
.fin {
  padding: 120px 0;
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.fin__headline { margin-bottom: 60px; }

.fin__grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 16px;
}

.fin-card {
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg-card);
}

.fin-card--main {
  background: linear-gradient(135deg, var(--bg-card), rgba(0,229,200,0.06));
  border-color: rgba(0,229,200,0.2);
}

.fc-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.fc-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--teal);
}

.fc-badge {
  font-family: var(--mono);
  font-size: 10px;
  color: #22c55e;
  background: rgba(34,197,94,0.1);
  border: 1px solid rgba(34,197,94,0.2);
  padding: 2px 8px;
  border-radius: 3px;
}

.fc-desc {
  font-size: 14px;
  color: var(--text-dim);
  line-height: 1.65;
  margin-bottom: 24px;
}

.fc-metrics {
  display: flex;
  gap: 32px;
}

.fm { display: flex; flex-direction: column; gap: 2px; }

.fm-val {
  font-family: var(--mono);
  font-size: 22px;
  font-weight: 700;
  color: var(--text-bright);
}

.fm-key {
  font-size: 11px;
  color: var(--text-dim);
}

/* === CONVERGENCE === */
.conv { padding: 120px 0; }

.conv__header { margin-bottom: 64px; }

.conv__domains {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.domain {
  display: flex;
  gap: 20px;
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg-2);
  transition: border-color 0.2s;
}

.domain:hover { border-color: rgba(0,229,200,0.25); }

.dom-num {
  font-family: var(--mono);
  font-size: 28px;
  font-weight: 700;
  color: rgba(0,229,200,0.15);
  line-height: 1;
  flex-shrink: 0;
  width: 48px;
}

.dom-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-bright);
  margin-bottom: 8px;
}

.dom-desc {
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.65;
}

/* === CLOSING === */
.closing {
  padding: 140px 0;
  border-top: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.closing__glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 400px;
  background: radial-gradient(ellipse, rgba(0,229,200,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.closing__inner { position: relative; z-index: 2; text-align: center; }

.closing__headline {
  font-size: clamp(28px, 3.5vw, 52px);
  font-weight: 700;
  color: var(--text-bright);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.closing__sub {
  font-size: 17px;
  color: var(--text-dim);
  line-height: 1.75;
  max-width: 560px;
  margin: 0 auto 48px;
}

.closing__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}

.ctag {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--teal);
  background: var(--teal-dim);
  border: 1px solid rgba(0,229,200,0.2);
  padding: 6px 14px;
  border-radius: 4px;
}

/* === FOOTER === */
.footer {
  padding: 64px 0 32px;
  border-top: 1px solid var(--border);
  background: var(--bg-2);
}

.footer__top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 60px;
  margin-bottom: 60px;
}

.footer__brand {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.footer__name {
  font-family: var(--mono);
  font-size: 16px;
  font-weight: 600;
  color: var(--text-bright);
  letter-spacing: 0.05em;
}

.footer__tagline {
  font-size: 13px;
  color: var(--text-dim);
  margin-top: 2px;
}

.footer__links {
  display: flex;
  gap: 60px;
}

.fl-col { display: flex; flex-direction: column; gap: 10px; }

.fl-head {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 4px;
}

.fl-link {
  font-size: 14px;
  color: var(--text-dim);
  text-decoration: none;
  transition: color 0.2s;
}

.fl-link:hover { color: var(--text-bright); }

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}

.footer__copy {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-dim);
}

.footer__status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 12px;
  color: #22c55e;
}

/* === RESPONSIVE === */
@media (max-width: 1024px) {
  .hero__inner { grid-template-columns: 1fr; gap: 60px; }
  .intel__layout { grid-template-columns: 1fr; }
  .fin__grid { grid-template-columns: 1fr 1fr; }
  .fin-card--main { grid-column: span 2; }
  .infra-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .section-inner, .hero__inner, .topbar { padding-left: 20px; padding-right: 20px; }
  .footer__top { flex-direction: column; }
  .footer__links { flex-wrap: wrap; gap: 32px; }
  .conv__domains { grid-template-columns: 1fr; }
  .fin__grid { grid-template-columns: 1fr; }
  .fin-card--main { grid-column: auto; }
}

/* scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--bg-card); border-radius: 3px; }