/* =============================================================
   ARK LABS — HOMEPAGE STYLES
   Section-specific styles for the home page only:
   hero, trust bar, EU AI Act countdown, problem, capabilities,
   connectors, comparison, benchmarks, density, use cases,
   pricing, sovereign CTA.
   ============================================================= */

/* ===== HERO ===== */
.hero {
  padding: 72px 60px 60px; background: var(--white);
  display: flex; align-items: center; position: relative; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; top: -120px; right: -120px;
  width: 680px; height: 680px;
  background: radial-gradient(circle, rgba(0,174,232,0.07) 0%, transparent 70%);
  pointer-events: none;
}
.hero::after {
  content: ''; position: absolute; bottom: -160px; left: -120px;
  width: 560px; height: 560px;
  background: radial-gradient(circle, rgba(13,138,106,0.05) 0%, transparent 70%);
  pointer-events: none;
}
.hero-content {
  max-width: 1280px; margin: 0 auto; width: 100%;
  display: flex; align-items: center; gap: 56px;
  position: relative; z-index: 2;
}
.hero-text { flex: 1; min-width: 480px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px; border-radius: 20px; font-size: 0.78em; font-weight: 600;
  background: var(--cyan-light); color: var(--cyan-dark); border: 1px solid rgba(0,174,232,0.15);
  margin-bottom: 22px;
}
.hero-badge .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--green); animation: pulse 2s infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }
.hero h1 {
  font-size: 3.8em; font-weight: 800; line-height: 1.05;
  color: var(--navy); margin-bottom: 22px; letter-spacing: -1.8px;
}
.hero h1 .accent { color: var(--cyan); }
.hero h1 .underline { position: relative; display: inline-block; }
.hero h1 .underline::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: 4px;
  height: 10px; background: rgba(0,174,232,0.18); z-index: -1; border-radius: 2px;
}

/* Hero rolling deployment phrase — cycles through On-prem / In your cloud / At the edge / In your country */
.hero h1 .hero-roll {
  display: inline-block;
  overflow: hidden;
  vertical-align: top;
  height: 1.05em;
  line-height: 1.05;
  color: var(--cyan);
  position: relative;
}
.hero h1 .hero-roll-list {
  display: block;
  animation: heroRoll 9s infinite;
  animation-timing-function: cubic-bezier(0.65, 0, 0.35, 1);
  will-change: transform;
}
.hero h1 .hero-roll-item {
  display: block;
  height: 1.05em;
  line-height: 1.05;
  white-space: nowrap;
}
@keyframes heroRoll {
  0%,   28%  { transform: translateY(0%); }
  33%,  61%  { transform: translateY(-25%); }
  66%,  94%  { transform: translateY(-50%); }
  100%       { transform: translateY(-75%); }
}
@media (prefers-reduced-motion: reduce) {
  .hero h1 .hero-roll-list { animation: none; }
}

.hero .subtitle {
  font-size: 1.18em; color: var(--steel); line-height: 1.65;
  max-width: 540px; margin-bottom: 32px;
}
.hero-ctas { display: flex; gap: 14px; margin-bottom: 10px; }
.hero-free-note { font-size: 0.82em; color: var(--steel); margin-bottom: 38px; }
.hero-free-note strong { color: var(--green); }
.hero-proof {
  display: flex; align-items: center; gap: 22px;
  padding-top: 24px; border-top: 1px solid var(--border-light);
}
.hero-proof-item { text-align: left; }
.hero-proof-item .number { font-size: 1.45em; font-weight: 800; color: var(--cyan); }
.hero-proof-item .label { font-size: 0.7em; color: var(--steel); margin-top: 2px; text-transform: uppercase; letter-spacing: 0.8px; line-height: 1.4; }
.hero-proof-divider { width: 1px; height: 36px; background: var(--border-light); }

/* Hero dashboard mock */
.hero-visual { flex: 1; min-width: 460px; position: relative; }
.dashboard-mock {
  background: white; border: 1px solid var(--border);
  border-radius: 16px; overflow: hidden;
  box-shadow: 0 20px 60px rgba(12,35,64,0.10), 0 2px 8px rgba(12,35,64,0.04);
  position: relative; z-index: 2;
}
.dash-header {
  padding: 14px 18px; background: var(--bg-warm);
  border-bottom: 1px solid var(--border-light);
  display: flex; justify-content: space-between; align-items: center;
}
.dash-header-left { display: flex; align-items: center; gap: 7px; }
.dash-dot { width: 10px; height: 10px; border-radius: 50%; }
.dash-dot.red { background: #ff5f57; }
.dash-dot.yellow { background: #febc2e; }
.dash-dot.green { background: #28c840; }
.dash-title { font-size: 0.78em; color: var(--steel); margin-left: 8px; font-weight: 500; }
.dash-region-pill { font-size: 0.68em; color: var(--green); font-weight: 700; background: var(--green-light); padding: 3px 8px; border-radius: 10px; display: inline-flex; align-items: center; gap: 5px; }
.dash-body { padding: 18px; }
.dash-topline { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; padding-bottom: 12px; border-bottom: 1px solid var(--border-light); }
.dash-topline-left { display: flex; align-items: center; gap: 8px; }
.dash-topline-title { font-size: 0.82em; font-weight: 700; color: var(--navy); }
.dash-topline-sub { font-size: 0.7em; color: var(--steel); }
.dash-topline-right { display: flex; align-items: center; gap: 10px; }
.dash-live { font-size: 0.68em; color: var(--green); font-weight: 700; display: flex; align-items: center; gap: 5px; }
.dash-live-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--green); animation: pulse 2s infinite; }
.model-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 14px; }
.model-card { background: var(--bg-warm); border: 1px solid var(--border-light); border-radius: 10px; padding: 13px; }
.model-card-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 6px; }
.model-name { font-size: 0.8em; font-weight: 700; color: var(--navy); }
.model-status { font-size: 0.62em; font-weight: 700; padding: 2px 8px; border-radius: 10px; text-transform: uppercase; letter-spacing: 0.5px; }
.model-status.running { background: var(--green-light); color: var(--green); }
.model-status.scaling { background: var(--cyan-light); color: var(--cyan-dark); }
.model-card-meta { font-size: 0.7em; color: var(--steel); }
.model-card-meta span { margin-right: 10px; }
.model-card-bar { height: 4px; border-radius: 2px; background: var(--border-light); margin-top: 8px; overflow: hidden; }
.model-card-bar-fill { height: 100%; border-radius: 2px; animation: bar-fill 2.5s ease-out; }
@keyframes bar-fill { from { width: 0; } }
.dash-metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.dash-metric { background: var(--bg-warm); border: 1px solid var(--border-light); border-radius: 10px; padding: 11px 13px; text-align: center; }
.dash-metric .val { font-size: 1.2em; font-weight: 800; color: var(--cyan); }
.dash-metric .lbl { font-size: 0.65em; color: var(--steel); margin-top: 2px; text-transform: uppercase; letter-spacing: 0.5px; }

/* ===== HERO FLEET ANIMATION =====
   Right side of hero: API request -> ARK Supervisor -> heterogeneous GPU fleet.
   Shows concurrent sessions, selective activation, and shard-level multi-model tenancy.
   Pure CSS + SVG, no JS. 8-second loop.
   Session A (cyan)   : Llama-3.3-70B inference  -> H100, RTX 5090, RTX 3090
   Session B (green)  : Mistral-7B inference     -> RTX 3090 (shared!), RTX 3060
   Session C (coral)  : bge-v3 embeddings        -> AMD MI300X, Intel Gaudi 3
*/
.fleet-anim {
  position: relative; z-index: 2;
  width: 520px; height: 560px; margin: 0 auto;
  font-family: 'Inter', sans-serif;
}
.fleet-anim * { box-sizing: border-box; }

/* ---- Request cards (slide in from left, beside the gateway) ---- */
.fa-req {
  position: absolute; top: 16px; left: 0;
  background: white; border: 1px solid var(--border);
  border-left: 3px solid var(--cyan);
  border-radius: 10px; padding: 8px 11px 8px 10px;
  box-shadow: 0 8px 22px rgba(12,35,64,0.10);
  display: flex; flex-direction: column; gap: 1px;
  width: 150px; opacity: 0; z-index: 5;
  animation: fa-req-cycle 8s linear infinite;
}
.fa-req-kind { font-size: 0.54em; font-weight: 800; letter-spacing: 0.3px; text-transform: uppercase; color: var(--cyan); }
.fa-req-model { font-size: 0.82em; font-weight: 700; color: var(--navy); }
.fa-req-meta { font-size: 0.62em; color: var(--steel); font-weight: 500; }
.fa-req-a { animation-delay: 0s;    border-left-color: var(--cyan);  }
.fa-req-a .fa-req-kind { color: var(--cyan);  }
.fa-req-b { animation-delay: 2.66s; border-left-color: var(--green); }
.fa-req-b .fa-req-kind { color: var(--green); }
.fa-req-c { animation-delay: 5.33s; border-left-color: var(--coral); }
.fa-req-c .fa-req-kind { color: var(--coral); }

@keyframes fa-req-cycle {
  0%        { opacity: 0; transform: translateX(-28px); }
  4%, 22%   { opacity: 1; transform: translateX(0); }
  28%, 100% { opacity: 0; transform: translateX(6px); }
}

/* ---- API Gateway box (top center: external entry point) ---- */
.fa-gateway {
  position: absolute; top: 14px; left: 160px;
  width: 200px; padding: 9px 14px 10px;
  background: var(--navy); border-radius: 12px;
  box-shadow: 0 14px 38px rgba(12,35,64,0.22), 0 2px 6px rgba(12,35,64,0.14);
  color: white; z-index: 4;
}
.fa-gw-head { display: flex; align-items: center; gap: 6px; margin-bottom: 3px; }
.fa-gw-title { margin-left: 6px; font-size: 0.66em; font-weight: 800; letter-spacing: 1.6px; color: #AEC7E0; }
.fa-gw-body { display: flex; align-items: center; }
.fa-gw-label { font-size: 0.72em; font-weight: 500; color: #D9ECFD; }

/* ---- ARK Supervisor Node (below gateway, centered) ---- */
.fa-supervisor {
  position: absolute; top: 96px; left: 140px;
  width: 240px; padding: 10px 14px 11px;
  background: var(--navy); border-radius: 12px;
  box-shadow: 0 14px 38px rgba(12,35,64,0.22), 0 2px 6px rgba(12,35,64,0.14);
  color: white; z-index: 4;
}
.fa-sup-head { display: flex; align-items: center; gap: 6px; margin-bottom: 4px; }
.fa-dot { width: 8px; height: 8px; border-radius: 50%; }
.fa-dot-r { background: #ff5f57; }
.fa-dot-y { background: #febc2e; }
.fa-dot-g { background: #28c840; }
.fa-sup-title { margin-left: 6px; font-size: 0.68em; font-weight: 800; letter-spacing: 1.6px; color: #AEC7E0; }
.fa-sup-body { display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.fa-sup-label { font-size: 0.74em; font-weight: 500; color: #D9ECFD; }
.fa-live { font-size: 0.6em; font-weight: 800; color: var(--green); display: inline-flex; align-items: center; gap: 5px; letter-spacing: 0.8px; }
.fa-live-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--green); animation: fa-live-pulse 1.4s ease-in-out infinite; }
.fa-sup-glow {
  position: absolute; inset: -6px; border-radius: 16px;
  background: radial-gradient(ellipse at center, rgba(0,174,232,0.35) 0%, transparent 70%);
  opacity: 0; z-index: -1;
  animation: fa-sup-glow 8s linear infinite;
}
@keyframes fa-sup-glow {
  0%, 4%    { opacity: 0.15; }
  8%, 16%   { opacity: 0.65; }
  20%       { opacity: 0.25; }
  33%, 42%  { opacity: 0.65; }
  47%       { opacity: 0.25; }
  60%, 69%  { opacity: 0.65; }
  74%, 100% { opacity: 0.15; }
}
@keyframes fa-live-pulse { 0%,100% { transform: scale(1); opacity: 1; } 50% { transform: scale(1.6); opacity: 0.5; } }

/* ---- Connecting lines + travelling pulses (SVG) ---- */
.fa-lines {
  position: absolute; inset: 0; width: 100%; height: 100%;
  pointer-events: none; z-index: 1;
}
.fa-line {
  stroke: #D4DEE9; stroke-width: 1.2; fill: none;
}
.fa-pulse {
  r: 4; fill: var(--cyan); opacity: 0;
  filter: drop-shadow(0 0 6px rgba(0,174,232,0.8));
}
/* Session A pulse: supervisor -> (H100, RTX5090, RTX3090 via line-1 + line-4)
   Session B pulse: supervisor -> (RTX3090 via line-1+line-4, RTX3060 via line-3+line-6)
   Session C pulse: supervisor -> (MI300X via line-3, Gaudi3 via line-2+line-5)
   For clarity we just show three primary pulses, one per session, travelling a representative path. */
.fa-pulse-1 { fill: var(--cyan);  animation: fa-pulse-a 8s linear infinite; }
.fa-pulse-2 { fill: var(--green); animation: fa-pulse-b 8s linear infinite; animation-delay: 2.66s; }
.fa-pulse-3 { fill: var(--coral); animation: fa-pulse-c 8s linear infinite; animation-delay: 5.33s; }

/* Pulses travel: gateway bottom (260,66) -> supervisor top (260,96)
   -> supervisor bottom (260,158) -> compute node top (varies per session) */
@keyframes fa-pulse-a {
  0%   { transform: translate(260px, 66px);  opacity: 0; }
  3%   { opacity: 1; }
  8%   { transform: translate(260px, 96px);  }
  14%  { transform: translate(260px, 158px); }
  20%  { transform: translate(85px, 210px);  opacity: 1; }
  24%  { opacity: 0; }
  100% { opacity: 0; }
}
@keyframes fa-pulse-b {
  0%   { transform: translate(260px, 66px);  opacity: 0; }
  3%   { opacity: 1; }
  8%   { transform: translate(260px, 96px);  }
  14%  { transform: translate(260px, 158px); }
  20%  { transform: translate(435px, 210px); opacity: 1; }
  24%  { opacity: 0; }
  100% { opacity: 0; }
}
@keyframes fa-pulse-c {
  0%   { transform: translate(260px, 66px);  opacity: 0; }
  3%   { opacity: 1; }
  8%   { transform: translate(260px, 96px);  }
  14%  { transform: translate(260px, 158px); }
  20%  { transform: translate(260px, 210px); opacity: 1; }
  24%  { opacity: 0; }
  100% { opacity: 0; }
}

/* Line "energized" effect — briefly highlighted while a session runs */
.fa-line-gs, .fa-line-1, .fa-line-2, .fa-line-3 {
  stroke-dasharray: 4 4; animation: fa-line-dash 8s linear infinite;
}
@keyframes fa-line-dash {
  0%   { stroke: #D4DEE9; stroke-dashoffset: 0; }
  8%, 20% { stroke: rgba(0,174,232,0.6); }
  25%  { stroke: #D4DEE9; }
  33%, 45% { stroke: rgba(13,138,106,0.6); }
  50%  { stroke: #D4DEE9; }
  60%, 72% { stroke: rgba(232,128,122,0.6); }
  77%, 100% { stroke: #D4DEE9; }
}

/* ---- Compute Nodes (3x2 grid, each wraps a single GPU) ---- */
.fa-nodes {
  position: absolute; top: 210px; left: 0; right: 0; bottom: 46px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: 1fr 1fr;
  gap: 12px 10px;
  padding: 0 6px;
  z-index: 2;
}
.fa-node {
  background: rgba(255,255,255,0.55);
  border: 1.5px dashed rgba(12,35,64,0.18);
  border-radius: 12px;
  padding: 7px 7px 8px;
  display: flex; flex-direction: column;
  gap: 6px;
  box-shadow: 0 2px 8px rgba(12,35,64,0.04);
  min-height: 0;
}
.fa-node-label {
  font-size: 0.52em; font-weight: 800; letter-spacing: 1px;
  color: var(--navy); text-transform: uppercase;
  display: flex; align-items: center; gap: 5px;
  padding: 1px 2px 3px;
  border-bottom: 1px solid rgba(12,35,64,0.08);
}
.fa-node-dot {
  width: 5px; height: 5px; border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 5px rgba(13,138,106,0.55);
}
.fa-node .fa-gpu { flex: 1 1 auto; min-height: 0; }
.fa-gpu {
  background: white; border: 1.5px solid var(--border);
  border-radius: 10px; padding: 9px 10px 8px;
  box-shadow: 0 4px 14px rgba(12,35,64,0.06);
  display: flex; flex-direction: column; justify-content: space-between;
  position: relative;
  transition: none;
  animation: fa-gpu-idle 8s linear infinite;
}
.fa-gpu-head { display: flex; align-items: center; justify-content: space-between; gap: 6px; }
.fa-vendor {
  font-size: 0.56em; font-weight: 800; letter-spacing: 1.2px;
  color: white; background: var(--navy);
  padding: 2px 5px; border-radius: 3px;
}
.fa-v-nv    { background: #76B900; } /* NVIDIA green */
.fa-v-amd   { background: #ED1C24; } /* AMD red */
.fa-v-intel { background: #0071C5; } /* Intel blue */
.fa-model { font-size: 0.78em; font-weight: 700; color: var(--navy); }
.fa-gpu-shards {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 3px; margin: 5px 0 3px;
}
.fa-shard {
  height: 14px; background: #EAF0F6; border-radius: 2px;
  position: relative; overflow: hidden;
}
.fa-shard::after {
  content: ''; position: absolute; inset: 0;
  background: var(--fa-shard-color, transparent);
  opacity: 0;
  animation: fa-shard-fill 8s linear infinite;
  animation-delay: var(--fa-shard-delay, 0s);
}
.fa-gpu-foot { display: flex; justify-content: space-between; align-items: center; }
.fa-gpu-meta { font-size: 0.58em; color: var(--steel); font-weight: 600; letter-spacing: 0.3px; }

/* ---- "Now running" label (shown only when this GPU is executing a session) ---- */
.fa-gpu-run {
  position: relative; height: 14px; margin: 3px 0 4px;
  font-size: 0.64em; font-weight: 700; letter-spacing: 0.1px;
  line-height: 14px; overflow: hidden;
}
.fa-run {
  position: absolute; top: 0; left: 0; right: 0;
  white-space: nowrap; opacity: 0;
  animation-duration: 8s; animation-timing-function: ease-in-out;
  animation-iteration-count: infinite;
}
.fa-run-a { color: var(--cyan);  animation-name: fa-run-a-show; }
.fa-run-b { color: var(--green); animation-name: fa-run-b-show; }
.fa-run-c { color: var(--coral); animation-name: fa-run-c-show; }

@keyframes fa-run-a-show {
  0%, 3%    { opacity: 0; transform: translateY(6px); }
  6%, 28%   { opacity: 1; transform: translateY(0); }
  31%, 100% { opacity: 0; transform: translateY(-6px); }
}
@keyframes fa-run-b-show {
  0%, 35%   { opacity: 0; transform: translateY(6px); }
  38%, 61%  { opacity: 1; transform: translateY(0); }
  64%, 100% { opacity: 0; transform: translateY(-6px); }
}
@keyframes fa-run-c-show {
  0%, 68%   { opacity: 0; transform: translateY(6px); }
  71%, 94%  { opacity: 1; transform: translateY(0); }
  97%, 100% { opacity: 0; transform: translateY(-6px); }
}

.fa-fan {
  width: 14px; height: 14px; border-radius: 50%;
  background:
    radial-gradient(circle, #fff 0 2px, transparent 2px 100%),
    conic-gradient(from 0deg, var(--steel) 0deg 20deg, transparent 20deg 120deg, var(--steel) 120deg 140deg, transparent 140deg 240deg, var(--steel) 240deg 260deg, transparent 260deg 360deg);
  border: 1px solid var(--border);
  animation: fa-fan-spin 4s linear infinite;
  animation-play-state: paused;
}

@keyframes fa-fan-spin { to { transform: rotate(360deg); } }
@keyframes fa-gpu-idle { 0%, 100% { border-color: var(--border); box-shadow: 0 4px 14px rgba(12,35,64,0.06); } }

/* ---- Per-GPU activation (border glow + fan spin) ----
   Timing key: Session A 4-28%, Session B 37-61%, Session C 70-94% of the 8s loop.
*/
.fa-gpu-1 { animation-name: fa-gpu-a; }                 /* H100   - Session A only */
.fa-gpu-2 { animation-name: fa-gpu-a; }                 /* RTX 5090 - Session A only */
.fa-gpu-3 { animation-name: fa-gpu-c; }                 /* MI300X - Session C only */
.fa-gpu-4 { animation-name: fa-gpu-ab; }                /* RTX 3090 - MULTI-TENANT (A + B) */
.fa-gpu-5 { animation-name: fa-gpu-c; }                 /* Gaudi 3 - Session C only */
.fa-gpu-6 { animation-name: fa-gpu-b; }                 /* RTX 3060 - Session B only */

@keyframes fa-gpu-a {
  0%, 4%   { border-color: var(--border); box-shadow: 0 4px 14px rgba(12,35,64,0.06); }
  8%, 28%  { border-color: rgba(0,174,232,0.8); box-shadow: 0 8px 22px rgba(0,174,232,0.22); }
  32%, 100% { border-color: var(--border); box-shadow: 0 4px 14px rgba(12,35,64,0.06); }
}
@keyframes fa-gpu-b {
  0%, 33%  { border-color: var(--border); box-shadow: 0 4px 14px rgba(12,35,64,0.06); }
  37%, 61% { border-color: rgba(13,138,106,0.8); box-shadow: 0 8px 22px rgba(13,138,106,0.22); }
  65%, 100% { border-color: var(--border); box-shadow: 0 4px 14px rgba(12,35,64,0.06); }
}
@keyframes fa-gpu-c {
  0%, 66%  { border-color: var(--border); box-shadow: 0 4px 14px rgba(12,35,64,0.06); }
  70%, 94% { border-color: rgba(232,128,122,0.8); box-shadow: 0 8px 22px rgba(232,128,122,0.22); }
  97%, 100% { border-color: var(--border); box-shadow: 0 4px 14px rgba(12,35,64,0.06); }
}
/* multi-tenant RTX 3090: highlights during BOTH A and B windows */
@keyframes fa-gpu-ab {
  0%, 4%   { border-color: var(--border); box-shadow: 0 4px 14px rgba(12,35,64,0.06); }
  8%, 28%  { border-color: rgba(0,174,232,0.8); box-shadow: 0 8px 22px rgba(0,174,232,0.22); }
  32%, 36% { border-color: var(--border); box-shadow: 0 4px 14px rgba(12,35,64,0.06); }
  40%, 60% { border-color: rgba(13,138,106,0.8); box-shadow: 0 8px 22px rgba(13,138,106,0.22); }
  64%, 100% { border-color: var(--border); box-shadow: 0 4px 14px rgba(12,35,64,0.06); }
}

/* ---- Shard fill (per-GPU, per-slot) ----
   The shard slots are filled with session-colored chips during each session's active window.
   --fa-shard-color + --fa-shard-delay are set via inline CSS below so we can stagger per slot.
*/
@keyframes fa-shard-fill {
  0%, 4%   { opacity: 0; transform: scaleX(0); transform-origin: left; }
  8%, 28%  { opacity: 1; transform: scaleX(1); }
  32%, 100% { opacity: 1; transform: scaleX(1); }
}

/* Session A fills: GPUs 1, 2, 4 (RTX 3090) get cyan shards at slots 1-2 */
.fa-gpu-1 .fa-shard[data-s="1"] { --fa-shard-color: var(--cyan); }
.fa-gpu-1 .fa-shard[data-s="2"] { --fa-shard-color: var(--cyan); }
.fa-gpu-2 .fa-shard[data-s="1"] { --fa-shard-color: var(--cyan); }
.fa-gpu-2 .fa-shard[data-s="2"] { --fa-shard-color: var(--cyan); }
.fa-gpu-4 .fa-shard[data-s="1"] { --fa-shard-color: var(--cyan); }
.fa-gpu-4 .fa-shard[data-s="2"] { --fa-shard-color: var(--cyan); }

/* Session B fills: GPUs 4 (multi-tenant!) + 6, green shards at slots 3-4 */
.fa-gpu-4 .fa-shard[data-s="3"] { --fa-shard-color: var(--green); }
.fa-gpu-4 .fa-shard[data-s="3"]::after { animation-name: fa-shard-fill-b; }
.fa-gpu-6 .fa-shard[data-s="1"] { --fa-shard-color: var(--green); }
.fa-gpu-6 .fa-shard[data-s="1"]::after { animation-name: fa-shard-fill-b; }
.fa-gpu-6 .fa-shard[data-s="2"] { --fa-shard-color: var(--green); }
.fa-gpu-6 .fa-shard[data-s="2"]::after { animation-name: fa-shard-fill-b; }

@keyframes fa-shard-fill-b {
  0%, 33%   { opacity: 0; transform: scaleX(0); transform-origin: left; }
  37%, 61%  { opacity: 1; transform: scaleX(1); }
  65%, 100% { opacity: 1; transform: scaleX(1); }
}

/* Session C fills: GPUs 3 (MI300X) + 5 (Gaudi 3), coral shards */
.fa-gpu-3 .fa-shard[data-s="1"] { --fa-shard-color: var(--coral); }
.fa-gpu-3 .fa-shard[data-s="1"]::after { animation-name: fa-shard-fill-c; }
.fa-gpu-3 .fa-shard[data-s="2"] { --fa-shard-color: var(--coral); }
.fa-gpu-3 .fa-shard[data-s="2"]::after { animation-name: fa-shard-fill-c; }
.fa-gpu-5 .fa-shard[data-s="1"] { --fa-shard-color: var(--coral); }
.fa-gpu-5 .fa-shard[data-s="1"]::after { animation-name: fa-shard-fill-c; }
.fa-gpu-5 .fa-shard[data-s="2"] { --fa-shard-color: var(--coral); }
.fa-gpu-5 .fa-shard[data-s="2"]::after { animation-name: fa-shard-fill-c; }

@keyframes fa-shard-fill-c {
  0%, 66%   { opacity: 0; transform: scaleX(0); transform-origin: left; }
  70%, 94%  { opacity: 1; transform: scaleX(1); }
  97%, 100% { opacity: 1; transform: scaleX(1); }
}

/* ---- Bottom caption ---- */
.fa-caption {
  position: absolute; bottom: -6px; left: 0; right: 0; text-align: center;
  font-size: 0.76em; color: var(--steel);
}
.fa-cap-main { font-weight: 700; color: var(--navy); letter-spacing: -0.2px; }
.fa-cap-meta { font-size: 0.92em; color: var(--steel); margin-top: 3px; }
.fa-cap-meta b { color: var(--cyan); font-weight: 800; }

/* ---- Responsive: shrink the whole anim on smaller viewports ---- */
@media (max-width: 1120px) {
  .fleet-anim { transform: scale(0.88); transform-origin: top right; }
}
@media (max-width: 960px) {
  .fleet-anim { transform: scale(0.78); transform-origin: top center; margin-bottom: -70px; }
}

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
  .fa-req, .fa-sup-glow, .fa-live-dot, .fa-pulse,
  .fa-line-gs, .fa-line-1, .fa-line-2, .fa-line-3,
  .fa-gpu, .fa-shard::after, .fa-fan, .fa-run {
    animation: none !important;
  }
  .fa-req { opacity: 1; transform: translateX(0); }
  .fa-shard::after { opacity: 0.9; transform: scaleX(1); }
  .fa-gpu { border-color: rgba(0,174,232,0.35); }
  /* Hide Session B label on multi-tenant GPU in reduced mode so the two labels don't stack */
  .fa-run { opacity: 1; transform: none; }
  .fa-gpu-4 .fa-run-b { opacity: 0; }
}

/* Floating hero callouts */
.hero-callout {
  position: absolute; background: white;
  border: 1px solid var(--border); border-radius: 10px;
  padding: 10px 14px; font-size: 0.78em; font-weight: 600; color: var(--navy);
  box-shadow: 0 8px 24px rgba(12,35,64,0.08);
  display: flex; align-items: center; gap: 8px; z-index: 3;
}
.hero-callout.is-sovereign { top: -18px; left: -16px; border-color: rgba(13,138,106,0.3); }
.hero-callout.is-sovereign .ico { color: var(--green); font-size: 1.1em; }
.hero-callout.is-aiact { bottom: -14px; right: -20px; border-color: rgba(0,174,232,0.3); }
.hero-callout.is-aiact .ico { color: var(--cyan); font-size: 1.1em; }

/* ===== TRUST BAR ===== */
.trust-bar { background: var(--bg-warm); border-top: 1px solid var(--border-light); border-bottom: 1px solid var(--border-light); padding: 36px 60px; text-align: center; }
.trust-label { font-size: 0.75em; color: var(--steel); text-transform: uppercase; letter-spacing: 2px; margin-bottom: 20px; font-weight: 600; }
.trust-logos { display: flex; justify-content: center; align-items: center; gap: 48px; flex-wrap: wrap; }
.trust-logo { font-size: 1.05em; font-weight: 700; color: #B0BEC5; letter-spacing: 1px; }

/* ===== EU AI ACT COUNTDOWN ===== */
.aiact {
  background: linear-gradient(180deg, var(--navy) 0%, var(--navy-deep) 100%);
  color: white; padding: 80px 60px; position: relative; overflow: hidden;
}
.aiact::before {
  content: ''; position: absolute; top: -200px; right: -200px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(0,174,232,0.12) 0%, transparent 70%);
  pointer-events: none;
}
.aiact-inner { max-width: 1280px; margin: 0 auto; position: relative; z-index: 2; }
.aiact-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 56px; align-items: center; }
.aiact-label { display: inline-flex; align-items: center; gap: 8px; font-size: 0.76em; font-weight: 700; color: var(--cyan); text-transform: uppercase; letter-spacing: 2px; margin-bottom: 14px; }
.aiact-label .bar { width: 20px; height: 2px; background: var(--cyan); }
.aiact h2 { font-size: 2.4em; font-weight: 800; color: white; line-height: 1.15; letter-spacing: -0.5px; margin-bottom: 16px; }
.aiact h2 .accent { color: var(--cyan); }
.aiact p { font-size: 1.02em; color: rgba(255,255,255,0.65); line-height: 1.7; margin-bottom: 24px; max-width: 520px; }
.aiact-checks { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 18px; margin-top: 24px; }
.aiact-check { display: flex; align-items: center; gap: 10px; font-size: 0.88em; color: rgba(255,255,255,0.85); }
.aiact-check .c-ico { width: 22px; height: 22px; border-radius: 50%; background: rgba(13,138,106,0.2); display: flex; align-items: center; justify-content: center; color: var(--green); font-weight: 700; font-size: 0.8em; flex-shrink: 0; }

.countdown-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 18px; padding: 32px; text-align: center;
  backdrop-filter: blur(12px);
}
.countdown-kicker { font-size: 0.72em; color: var(--cyan); font-weight: 700; text-transform: uppercase; letter-spacing: 2px; margin-bottom: 8px; }
.countdown-title { font-size: 1.1em; font-weight: 700; color: white; margin-bottom: 22px; }
.countdown-blocks { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-bottom: 22px; }
.countdown-block {
  background: rgba(0,174,232,0.08);
  border: 1px solid rgba(0,174,232,0.2);
  border-radius: 12px; padding: 18px 8px;
}
.countdown-num { font-size: 2.4em; font-weight: 800; color: white; line-height: 1; font-variant-numeric: tabular-nums; }
.countdown-lbl { font-size: 0.68em; color: rgba(255,255,255,0.55); text-transform: uppercase; letter-spacing: 1.5px; margin-top: 6px; font-weight: 600; }
.countdown-deadline { font-size: 0.82em; color: rgba(255,255,255,0.7); border-top: 1px solid rgba(255,255,255,0.1); padding-top: 18px; }
.countdown-deadline strong { color: var(--cyan); font-weight: 700; }

/* ===== PROBLEM ===== */
/* ===== WHY ARK ===== */
.why-ark { padding: 110px 60px; background: var(--bg-warm); }
.why-ark-inner { max-width: 1120px; margin: 0 auto; }
.why-ark-head { text-align: center; margin-bottom: 56px; }
.why-ark-head .section-tag { justify-content: center; margin: 0 auto 18px; display: inline-flex; align-items: center; gap: 8px; }
.why-ark-title { font-size: 2.8em; font-weight: 800; color: var(--navy); letter-spacing: -0.5px; line-height: 1.15; margin-bottom: 16px; }
.why-ark-sub { font-size: 1.05em; color: var(--steel); line-height: 1.7; max-width: 640px; margin: 0 auto; }
.why-ark-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.why-card {
  background: var(--white); border: 1px solid var(--border); border-radius: 14px;
  padding: 28px 30px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.why-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(12,35,64,0.07);
  border-color: rgba(0,174,232,0.3);
}
.why-card-head { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.why-dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--cyan); flex-shrink: 0;
  box-shadow: 0 0 0 4px rgba(0,174,232,0.15);
}
.why-card h3 { font-size: 1.05em; font-weight: 700; color: var(--navy); letter-spacing: -0.1px; }
.why-card p { font-size: 0.92em; color: var(--steel); line-height: 1.7; }

/* ===== CAPABILITIES ===== */
.capabilities { padding: 100px 60px; background: var(--light-blue); }
.capabilities-inner { max-width: 1280px; margin: 0 auto; }
.cap-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 44px; }
.cap-card { background: white; border: 1px solid var(--border); border-radius: 14px; padding: 30px; transition: transform 0.2s, box-shadow 0.2s; }
.cap-card:hover { transform: translateY(-3px); box-shadow: 0 8px 24px rgba(12,35,64,0.06); }
.cap-icon { width: 44px; height: 44px; border-radius: 11px; background: var(--cyan); display: flex; align-items: center; justify-content: center; margin-bottom: 18px; font-size: 1.2em; color: white; }
.cap-card h4 { font-size: 1.05em; font-weight: 700; color: var(--navy); margin-bottom: 8px; }
.cap-card p { font-size: 0.85em; color: var(--steel); line-height: 1.65; }
.cap-highlight { display: inline-block; margin-top: 12px; font-size: 0.78em; font-weight: 700; color: var(--cyan-dark); padding: 3px 10px; border-radius: 6px; background: var(--cyan-light); border: 1px solid rgba(0,174,232,0.12); }

/* ===== CONNECTORS ===== */
.connectors { padding: 100px 60px; background: var(--white); overflow: hidden; }
.connectors-inner { max-width: 1280px; margin: 0 auto; }
.connectors-head { text-align: center; margin-bottom: 48px; }
.connectors-head .section-tag { justify-content: center; }
.connectors-head .section-subtitle { margin-left: auto; margin-right: auto; }
.connector-stage {
  position: relative; height: 460px;
  background: radial-gradient(circle at center, var(--light-blue) 0%, transparent 60%);
  display: flex; align-items: center; justify-content: center;
}
.connector-center {
  width: 140px; height: 140px; border-radius: 50%;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-alt) 100%);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  color: white; z-index: 5; position: relative;
  box-shadow: 0 16px 48px rgba(12,35,64,0.2), 0 0 0 12px rgba(0,174,232,0.08), 0 0 0 26px rgba(0,174,232,0.04);
}
.connector-center .ark-mark-big {
  width: 50px; height: 50px; background: var(--cyan);
  border-radius: 14px; display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 22px; color: white; margin-bottom: 8px;
}
.connector-center .label { font-size: 0.75em; font-weight: 700; letter-spacing: 1.5px; }
.connector-center .sub { font-size: 0.62em; color: rgba(255,255,255,0.6); margin-top: 2px; }
.connector-ring {
  position: absolute; top: 50%; left: 50%;
  width: 380px; height: 380px; border-radius: 50%;
  border: 1.5px dashed rgba(0,174,232,0.3);
  transform: translate(-50%, -50%);
  animation: spin 60s linear infinite;
}
.connector-ring-outer {
  width: 620px; height: 620px;
  border: 1px dashed rgba(0,174,232,0.15);
  animation: spin 120s linear infinite reverse;
}
@keyframes spin { to { transform: translate(-50%, -50%) rotate(360deg); } }
.connector-node {
  position: absolute;
  width: 72px; height: 72px; border-radius: 16px;
  background: white; border: 1px solid var(--border);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  box-shadow: 0 6px 20px rgba(12,35,64,0.06);
  z-index: 4; font-size: 0.62em; font-weight: 700; color: var(--navy);
  transition: transform 0.3s;
}
.connector-node:hover { transform: scale(1.1); border-color: var(--cyan); }
.connector-node .brand-abbr { font-size: 1.05em; font-weight: 800; letter-spacing: -0.5px; margin-bottom: 3px; }
.connector-node .brand-name { font-size: 0.62em; font-weight: 600; color: var(--steel); letter-spacing: 0.3px; }
.node-sap { top: 10%; left: 20%; }
.node-sap .brand-abbr { color: #0FAAFF; }
.node-sf { top: 8%; right: 22%; }
.node-sf .brand-abbr { color: #00A1E0; }
.node-sp { top: 48%; left: 6%; }
.node-sp .brand-abbr { color: #1E88E5; }
.node-sn { top: 48%; right: 6%; }
.node-sn .brand-abbr { color: #62D84E; }
.node-ms { bottom: 10%; left: 20%; }
.node-ms .brand-abbr { color: #F25022; }
.node-ad { bottom: 8%; right: 22%; }
.node-ad .brand-abbr { color: #003D7C; }
.connector-lines { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; z-index: 1; }
.connector-line { fill: none; stroke: var(--cyan); stroke-width: 1.5; stroke-dasharray: 4 4; opacity: 0.4; }
.connector-dot { fill: var(--cyan); }
.connector-flow {
  stroke: var(--cyan); stroke-width: 2; fill: none;
  stroke-dasharray: 3 5;
  animation: flow 2s linear infinite;
}
@keyframes flow { to { stroke-dashoffset: -16; } }
.connector-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 40px; padding-top: 40px; border-top: 1px solid var(--border-light); }
.connector-stat { text-align: center; }
.connector-stat .val { font-size: 1.6em; font-weight: 800; color: var(--cyan); }
.connector-stat .lbl { font-size: 0.78em; color: var(--steel); margin-top: 4px; }

/* ===== COMPARISON TABLE ===== */
.comparison { padding: 100px 60px; background: var(--light-blue); }
.comparison-inner { max-width: 1100px; margin: 0 auto; }
.comp-table { width: 100%; border-collapse: separate; border-spacing: 0; margin-top: 44px; border-radius: 14px; overflow: hidden; border: 1px solid var(--border); background: white; }
.comp-table th { padding: 16px 18px; text-align: left; font-size: 0.78em; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; background: var(--navy); color: rgba(255,255,255,0.6); }
.comp-table th:first-child { color: white; }
.comp-table th.ark-col { color: var(--cyan); }
.comp-table td { padding: 14px 18px; font-size: 0.88em; border-bottom: 1px solid var(--border-light); color: var(--steel); }
.comp-table td:first-child { font-weight: 600; color: var(--navy); }
.comp-table td.ark-col { background: var(--cyan-light); color: var(--navy); font-weight: 600; }
.comp-table tr:last-child td { border-bottom: none; }
.check { color: var(--green); font-weight: 700; }
.cross { color: var(--coral); font-weight: 700; }

/* ===== BENCHMARKS ===== */
.benchmarks { padding: 100px 60px; background: var(--white); }
.benchmarks-inner { max-width: 1280px; margin: 0 auto; }
.bench-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 44px; }
.bench-card { background: white; border-radius: 14px; padding: 28px; text-align: center; border: 1px solid var(--border); position: relative; overflow: hidden; }
.bench-card .border-top { position: absolute; top: 0; left: 0; right: 0; height: 3px; }
.bench-card .val { font-size: 2.6em; font-weight: 800; color: var(--cyan); line-height: 1; }
.bench-card .unit { font-size: 0.85em; font-weight: 700; color: var(--cyan); }
.bench-card .desc { font-size: 0.88em; font-weight: 600; color: var(--navy); margin-top: 6px; }
.bench-card .context { font-size: 0.72em; color: var(--steel); margin-top: 6px; line-height: 1.4; }

/* ===== DENSITY ===== */
.density { padding: 100px 60px; background: var(--light-blue); }
.density-inner { max-width: 1180px; margin: 0 auto; }
.density-head { text-align: center; margin-bottom: 36px; }
.density-head .section-tag { justify-content: center; }
.density-head .section-subtitle { margin-left: auto; margin-right: auto; }
.density-card {
  background: white; border: 1px solid var(--border);
  border-radius: 18px; padding: 40px;
  box-shadow: 0 8px 28px rgba(12,35,64,0.04);
}
.density-context {
  display: flex; justify-content: space-between; align-items: flex-end;
  margin-bottom: 32px; padding-bottom: 22px; border-bottom: 1px solid var(--border-light);
  gap: 24px; flex-wrap: wrap;
}
.density-context-left { flex: 1; min-width: 300px; }
.density-context h3 { font-size: 1.3em; font-weight: 800; color: var(--navy); margin-bottom: 6px; }
.density-context p { font-size: 0.9em; color: var(--steel); line-height: 1.6; }
.density-context-meta { font-size: 0.78em; color: var(--steel); text-align: right; }
.density-context-meta strong { color: var(--navy); display: block; font-weight: 700; font-size: 1.05em; }
.density-chart { display: grid; grid-template-columns: 120px 1fr 140px; gap: 14px; align-items: center; }
.density-row { display: contents; }
.density-label { font-size: 0.92em; font-weight: 700; color: var(--navy); }
.density-label .sub { display: block; font-size: 0.72em; color: var(--steel); font-weight: 500; margin-top: 2px; }
.density-bar-wrap { height: 36px; background: var(--bg-warm); border-radius: 8px; position: relative; overflow: hidden; border: 1px solid var(--border-light); }
.density-bar {
  height: 100%; display: flex; align-items: center; padding: 0 12px;
  border-radius: 7px; color: white; font-size: 0.8em; font-weight: 700;
  transition: width 1.2s cubic-bezier(0.22, 1, 0.36, 1);
}
.density-bar.ark { background: linear-gradient(90deg, var(--cyan) 0%, var(--cyan-dark) 100%); }
.density-bar.vllm { background: linear-gradient(90deg, #8EA5B8 0%, #6B8299 100%); }
.density-bar.trt { background: linear-gradient(90deg, #A0AEC0 0%, #7C8CA0 100%); }
.density-value { font-size: 1em; font-weight: 800; color: var(--navy); text-align: right; }
.density-value .mult { color: var(--cyan); font-size: 1.2em; }
.density-footer {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
  margin-top: 32px; padding-top: 28px; border-top: 1px solid var(--border-light);
}
.density-foot-card { text-align: center; }
.density-foot-card .big { font-size: 2em; font-weight: 800; color: var(--cyan); }
.density-foot-card .small { font-size: 0.84em; font-weight: 600; color: var(--navy); margin-top: 2px; }
.density-foot-card .context { font-size: 0.76em; color: var(--steel); margin-top: 4px; }

/* ===== USE CASES (Dossier) ===== */
.usecases { padding: 100px 60px; background: var(--white); }
.usecases-inner { max-width: 1280px; margin: 0 auto; }

.dossier {
  display: grid;
  grid-template-columns: 420px 1fr;
  gap: 28px;
  margin-top: 44px;
  align-items: stretch;
}

/* Left rail: industry tabs */
.dossier-rail { display: flex; flex-direction: column; gap: 10px; }
.dossier-tab {
  all: unset;
  box-sizing: border-box;
  cursor: pointer;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px 18px 18px 16px;
  display: grid;
  grid-template-columns: 56px 1fr auto;
  align-items: center;
  gap: 14px;
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s, background 0.2s;
  color: var(--navy);
}
.dossier-tab:hover { border-color: var(--cyan); box-shadow: 0 6px 20px rgba(12,35,64,0.05); }
.dossier-tab:focus-visible { outline: 2px solid var(--cyan); outline-offset: 2px; }
.dossier-tab.is-active {
  border-color: var(--cyan);
  background: linear-gradient(180deg, #FFFFFF 0%, #F5FBFE 100%);
  box-shadow: 0 10px 28px rgba(0,174,232,0.08), inset 3px 0 0 0 var(--cyan);
}
.dossier-tab.is-active .dossier-tab-chev { color: var(--cyan); transform: translateX(2px); }

.dossier-viz {
  width: 56px; height: 56px;
  border-radius: 12px;
  background: var(--cyan-light);
  color: var(--cyan);
  display: flex; align-items: center; justify-content: center;
  transition: background 0.25s, color 0.25s;
}
.dossier-tab.is-active .dossier-viz { background: var(--cyan); color: white; }
.dossier-viz svg { width: 100%; height: 100%; display: block; }

.dossier-tab-meta { min-width: 0; }
.dossier-tab-label {
  font-size: 0.68em; font-weight: 700; color: var(--cyan);
  text-transform: uppercase; letter-spacing: 1.4px;
  margin-bottom: 4px;
}
.dossier-tab-title {
  font-size: 1em; font-weight: 700; color: var(--navy);
  line-height: 1.25;
}
.dossier-tab-chev {
  color: var(--steel); font-weight: 700; font-size: 1.1em;
  transition: color 0.2s, transform 0.2s;
}

/* Right pane: dossier content */
.dossier-pane {
  background: var(--bg-warm);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 36px 40px;
  position: relative;
  overflow: hidden;
  min-height: 520px;
}
.dossier-pane::before {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 260px; height: 260px;
  background: radial-gradient(circle at top right, rgba(0,174,232,0.08), transparent 70%);
  pointer-events: none;
}

.dossier-panel { display: none; position: relative; z-index: 1; animation: dossierFade 0.35s ease; }
.dossier-panel.is-active { display: block; }
.dossier-panel[hidden] { display: none !important; }

@keyframes dossierFade {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.dossier-panel-head {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  margin-bottom: 18px;
}
.dossier-kicker {
  font-size: 0.7em; font-weight: 700; color: var(--steel);
  text-transform: uppercase; letter-spacing: 1.6px;
  padding-right: 10px;
  border-right: 1px solid var(--border);
}
.dossier-badges { display: flex; flex-wrap: wrap; gap: 6px; }
.reg-badge {
  display: inline-flex; align-items: center;
  padding: 4px 10px;
  border-radius: 20px;
  background: var(--white);
  border: 1px solid var(--border);
  font-size: 0.74em; font-weight: 600;
  color: var(--navy); letter-spacing: 0.2px;
}

.dossier-headline {
  font-size: 1.8em; font-weight: 800; color: var(--navy);
  line-height: 1.15; letter-spacing: -0.4px;
  margin-bottom: 14px;
}
.dossier-summary {
  font-size: 1em; color: var(--steel); line-height: 1.65;
  margin-bottom: 26px; max-width: 640px;
}

.dossier-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
  margin-bottom: 26px;
}
.dossier-block {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 18px;
}
.dossier-block-label {
  font-size: 0.7em; font-weight: 700; color: var(--cyan);
  text-transform: uppercase; letter-spacing: 1.2px;
  margin-bottom: 8px;
}
.dossier-block-value {
  font-size: 0.92em; color: var(--navy); line-height: 1.55; font-weight: 500;
}

.dossier-proof {
  display: flex; align-items: stretch; gap: 28px;
  padding: 18px 22px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 12px;
  margin-bottom: 22px;
}
.dossier-proof-stat { flex: 1; }
.dossier-proof-num {
  font-size: 1.9em; font-weight: 800; color: var(--navy);
  letter-spacing: -0.5px; line-height: 1;
  margin-bottom: 6px;
}
.dossier-proof-lbl {
  font-size: 0.78em; color: var(--steel); line-height: 1.5;
}
.dossier-proof-divider { width: 1px; background: var(--border); }

.dossier-link {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.95em; font-weight: 700;
  color: var(--cyan); text-decoration: none;
  transition: gap 0.2s, color 0.2s;
}
.dossier-link:hover { color: var(--cyan-dark); gap: 12px; }
.dossier-link .arrow { transition: transform 0.2s; }
.dossier-link:hover .arrow { transform: translateX(2px); }

/* ---------- Micro-visual animations ---------- */

/* Lanes (FinServ): dots traverse isolated lanes */
@keyframes laneRun {
  0%   { transform: translateX(0); opacity: 0; }
  10%  { opacity: 1; }
  90%  { opacity: 1; }
  100% { transform: translateX(56px); opacity: 0; }
}
.dossier-tab.is-active .lane-dot { animation: laneRun 2.4s linear infinite; }
.dossier-tab.is-active .lane-dot-1 { animation-delay: 0s; }
.dossier-tab.is-active .lane-dot-2 { animation-delay: 0.8s; }
.dossier-tab.is-active .lane-dot-3 { animation-delay: 1.6s; }

/* Boundary (Health): ring pulse + dots wander inside */
@keyframes boundaryPulse {
  0%   { transform: scale(0.9); opacity: 0.5; }
  70%  { transform: scale(1.1); opacity: 0; }
  100% { transform: scale(1.1); opacity: 0; }
}
.dossier-tab.is-active .bd-pulse {
  transform-origin: 36px 36px;
  animation: boundaryPulse 2.2s ease-out infinite;
}
@keyframes bdDrift1 { 0%,100% { transform: translate(0,0); } 50% { transform: translate(6px,4px); } }
@keyframes bdDrift2 { 0%,100% { transform: translate(0,0); } 50% { transform: translate(-5px,-3px); } }
@keyframes bdDrift3 { 0%,100% { transform: translate(0,0); } 50% { transform: translate(3px,-5px); } }
.dossier-tab.is-active .bd-dot-1 { animation: bdDrift1 2.8s ease-in-out infinite; }
.dossier-tab.is-active .bd-dot-2 { animation: bdDrift2 3.2s ease-in-out infinite; }
.dossier-tab.is-active .bd-dot-3 { animation: bdDrift3 2.5s ease-in-out infinite; }

/* Air-gap (Gov): node pulses, cuts blink */
@keyframes agBlink { 0%,100% { opacity: 1; } 50% { opacity: 0.45; } }
@keyframes agPulse { 0%,100% { transform: scale(1); } 50% { transform: scale(0.94); } }
.dossier-tab.is-active .ag-cut { animation: agBlink 1.8s ease-in-out infinite; }
.dossier-tab.is-active .ag-cut-right { animation-delay: 0.6s; }
.dossier-tab.is-active .ag-node {
  transform-origin: 36px 36px;
  animation: agPulse 2.4s ease-in-out infinite;
}

/* Bars (Agentic): without-bar collapses, arrow slides */
@keyframes barCollapse {
  0%,15%   { height: 44px; y: 16; }
  55%,100% { height: 4px; y: 56; }
}
@keyframes barGrowArrow {
  0%,15%   { opacity: 0.35; }
  55%,100% { opacity: 1; }
}
.dossier-tab.is-active .bar-without { animation: barCollapse 2.6s ease-in-out infinite; }
.dossier-tab.is-active .bar-arrow,
.dossier-tab.is-active .bar-arrow-head { animation: barGrowArrow 2.6s ease-in-out infinite; }

@media (prefers-reduced-motion: reduce) {
  .dossier-tab .lane-dot,
  .dossier-tab .bd-pulse,
  .dossier-tab .bd-dot,
  .dossier-tab .ag-cut,
  .dossier-tab .ag-node,
  .dossier-tab .bar-without,
  .dossier-tab .bar-arrow,
  .dossier-tab .bar-arrow-head { animation: none !important; }
  .dossier-panel { animation: none !important; }
}

/* ===== PRICING ===== */
.pricing { padding: 100px 60px; background: var(--light-blue); }
.pricing-inner { max-width: 1200px; margin: 0 auto; text-align: center; }
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 44px; }
.pricing-card { background: white; border: 1px solid var(--border); border-radius: 16px; padding: 36px; text-align: left; position: relative; transition: transform 0.2s, box-shadow 0.2s; }
.pricing-card:hover { transform: translateY(-3px); box-shadow: 0 12px 32px rgba(12,35,64,0.08); }
.pricing-card.featured { border-color: var(--cyan); border-width: 2px; }
.pricing-card.featured::before { content: 'MOST POPULAR'; position: absolute; top: -13px; left: 50%; transform: translateX(-50%); background: var(--cyan); color: white; font-size: 0.68em; font-weight: 800; padding: 4px 16px; border-radius: 10px; letter-spacing: 1px; }
.pricing-icon { width: 48px; height: 48px; border-radius: 12px; display: flex; align-items: center; justify-content: center; margin-bottom: 16px; font-size: 1.4em; }
.pricing-icon.cloud { background: var(--cyan-light); color: var(--cyan); }
.pricing-icon.tailored { background: var(--green-light); color: var(--green); }
.pricing-icon.core { background: var(--card-blue); color: var(--navy); }
.pricing-label { font-size: 0.75em; font-weight: 700; color: var(--cyan); text-transform: uppercase; letter-spacing: 1.5px; margin-bottom: 6px; }
.pricing-name { font-size: 1.4em; font-weight: 800; color: var(--navy); margin-bottom: 6px; }
.pricing-desc { font-size: 0.88em; color: var(--steel); line-height: 1.6; margin-bottom: 20px; min-height: 48px; }
.pricing-price { font-size: 1.05em; font-weight: 700; color: var(--navy); margin-bottom: 20px; padding-bottom: 20px; border-bottom: 1px solid var(--border-light); }
.pricing-price .free { color: var(--green); }
.pricing-features { list-style: none; margin-bottom: 28px; }
.pricing-features li { padding: 8px 0; font-size: 0.88em; color: var(--steel); display: flex; align-items: flex-start; gap: 10px; }
.pricing-features li::before { content: '\2713'; color: var(--green); font-weight: 700; font-size: 1em; flex-shrink: 0; }
.pricing-cta { width: 100%; padding: 12px; border-radius: 10px; font-size: 0.92em; font-weight: 700; cursor: pointer; transition: all 0.2s; text-align: center; text-decoration: none; display: block; }
.pricing-cta.primary { background: var(--cyan); color: white; border: none; }
.pricing-cta.primary:hover { background: var(--cyan-dark); }
.pricing-cta.secondary { background: white; color: var(--navy); border: 2px solid var(--border); }
.pricing-cta.secondary:hover { border-color: var(--cyan); color: var(--cyan); }

/* ===== SOVEREIGN CTA ===== */
.sovereign-cta { padding: 100px 60px; background: var(--navy); text-align: center; position: relative; overflow: hidden; }
.sovereign-cta::before { content: ''; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); width: 600px; height: 600px; background: radial-gradient(circle, rgba(0,174,232,0.1) 0%, transparent 70%); pointer-events: none; }
.sovereign-inner { max-width: 680px; margin: 0 auto; position: relative; z-index: 2; }
.sovereign-cta h2 { font-size: 2.4em; font-weight: 800; color: white; margin-bottom: 16px; line-height: 1.15; }
.sovereign-cta h2 .accent { color: var(--cyan); }
.sovereign-cta p { font-size: 1.05em; color: rgba(255,255,255,0.6); line-height: 1.7; margin-bottom: 32px; }
.sovereign-cta .cta-group { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; }
.btn-w { padding: 14px 32px; border-radius: 10px; font-size: 1em; font-weight: 700; background: white; color: var(--navy); border: none; cursor: pointer; transition: all 0.2s; text-decoration: none; display: inline-flex; align-items: center; gap: 8px; }
.btn-w:hover { transform: translateY(-1px); box-shadow: 0 6px 24px rgba(255,255,255,0.15); }
.btn-od { padding: 14px 32px; border-radius: 10px; font-size: 1em; font-weight: 600; border: 2px solid rgba(255,255,255,0.2); color: white; background: transparent; cursor: pointer; transition: all 0.2s; text-decoration: none; display: inline-flex; align-items: center; gap: 8px; }
.btn-od:hover { border-color: var(--cyan); color: var(--cyan); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .hero { padding: 56px 24px; }
  .hero-content { flex-direction: column; }
  .hero-text, .hero-visual { min-width: 100%; }
  .hero h1 { font-size: 2.6em; }
  .aiact { padding: 56px 24px; }
  .aiact-grid { grid-template-columns: 1fr; gap: 32px; }
  .why-ark, .capabilities, .connectors, .comparison, .benchmarks, .density, .usecases, .pricing, .sovereign-cta { padding-left: 24px; padding-right: 24px; }
  .why-ark { padding-top: 72px; padding-bottom: 72px; }
  .why-ark-title { font-size: 2.2em; }
  .why-ark-grid { grid-template-columns: 1fr; gap: 16px; }
  .why-card { padding: 22px 24px; }
  .cap-grid, .bench-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: 1fr; }
  .dossier { grid-template-columns: 1fr; gap: 20px; }
  .dossier-rail { flex-direction: row; overflow-x: auto; gap: 10px; padding-bottom: 6px; scroll-snap-type: x mandatory; -webkit-overflow-scrolling: touch; }
  .dossier-tab { min-width: 260px; flex: 0 0 auto; scroll-snap-align: start; grid-template-columns: 48px 1fr; }
  .dossier-tab .dossier-tab-chev { display: none; }
  .dossier-viz { width: 48px; height: 48px; }
  .dossier-pane { padding: 28px 24px; min-height: 0; }
  .dossier-headline { font-size: 1.5em; }
  .dossier-grid { grid-template-columns: 1fr; gap: 10px; }
  .dossier-proof { flex-direction: column; gap: 14px; }
  .dossier-proof-divider { width: 100%; height: 1px; }
  .connector-stats { grid-template-columns: repeat(2, 1fr); }
  .trust-bar { padding-left: 24px; padding-right: 24px; }
  .trust-logos { gap: 28px; }
}