/* ======================================================
   Humanex AI Machine Agents Portal — Theme + Layout
   ====================================================== */

/* Light mode (default) ---------------------------------- */
:root, [data-theme="light"] {
  --blue: #0b39f0;
  --blue-2: #1f54ff;
  --blue-3: #3b73ff;
  --blue-dark: #0728a9;
  --blue-deep: #061a6e;
  --blue-soft: #dfe8ff;
  --cyan: #19c8ff;
  --teal: #00d4b8;
  --amber: #ffb547;
  --rose: #ff5d6c;
  --green: #2ecc71;
  --violet: #7b5cff;

  --ink: #0c1a36;
  --ink-2: #1a2b50;
  --muted: #5e6f8e;
  --muted-2: #8c9bb8;

  --bg-page: linear-gradient(180deg, #f9fbff 0%, #eef4ff 100%);
  --bg-radial-1: radial-gradient(circle at 12% -5%, rgba(11,57,240,0.10), transparent 40%);
  --bg-radial-2: radial-gradient(circle at 95% 5%, rgba(25,200,255,0.08), transparent 40%);

  --card: #ffffff;
  --card-soft: #f8fbff;
  --card-softer: #f4f8ff;
  --card-glass: rgba(255,255,255,0.92);
  --card-glass-2: rgba(241,246,255,0.92);

  --border: #d6e1fb;
  --border-strong: #b4c6f5;
  --input-bg: #ffffff;

  --shadow-sm: 0 6px 14px rgba(17, 32, 59, 0.06);
  --shadow: 0 16px 40px rgba(17, 32, 59, 0.08);
  --shadow-lg: 0 30px 60px rgba(11, 40, 169, 0.18);

  --gradient-brand: linear-gradient(135deg, #061a6e 0%, #0b39f0 50%, #19c8ff 100%);
  --gradient-brand-text: linear-gradient(135deg, #061a6e 0%, #0b39f0 50%, #19c8ff 100%);
  --gradient-kpi-text: linear-gradient(90deg, #0b39f0 0%, #19c8ff 100%);
  --gradient-card: linear-gradient(180deg, #ffffff 0%, #f6faff 100%);
  --gradient-dark: linear-gradient(135deg, #0a1538 0%, #122356 50%, #1f3a8a 100%);

  --node-fill: #ffffff;
  --node-stroke: #b4c6f5;
  --node-title: #061a6e;
  --node-body: #4a5d80;
  --machine-fill: #eef3ff;
  --layer-label: #8c9bb8;
  --flow-line: #9ab8ff;
  --flow-line-thick: #6f95ff;
  --feedback-line: #80a5ff;

  --radius: 22px;
  --radius-sm: 14px;
  --radius-lg: 28px;
  --transition: cubic-bezier(.22,.61,.36,1);
}

/* Dark mode --------------------------------------------- */
[data-theme="dark"] {
  --blue-dark: #6ea1ff;
  --blue-deep: #b9cfff;

  --ink: #f0f4ff;
  --ink-2: #d8e2fb;
  --muted: #b3c0e3;
  --muted-2: #95a5cf;

  --bg-page: linear-gradient(180deg, #0a1334 0%, #0d1947 100%);
  --bg-radial-1: radial-gradient(circle at 12% -5%, rgba(25,200,255,0.18), transparent 45%);
  --bg-radial-2: radial-gradient(circle at 95% 5%, rgba(123,92,255,0.16), transparent 45%);

  --card: #142359;
  --card-soft: #182a66;
  --card-softer: #16265e;
  --card-glass: rgba(20, 35, 89, 0.88);
  --card-glass-2: rgba(15, 28, 76, 0.88);

  --border: #2a3b6e;
  --border-strong: #3d5294;
  --input-bg: #0f1b48;

  --shadow-sm: 0 6px 14px rgba(0, 0, 0, 0.30);
  --shadow: 0 18px 40px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 30px 60px rgba(0, 0, 0, 0.55);

  --gradient-card: linear-gradient(180deg, #142359 0%, #0f1b48 100%);
  --gradient-brand-text: linear-gradient(135deg, #6ea1ff 0%, #19c8ff 50%, #6ee5ff 100%);
  --gradient-kpi-text: linear-gradient(90deg, #6ea1ff 0%, #19c8ff 100%);

  --node-fill: #1a2b65;
  --node-stroke: #3d5294;
  --node-title: #e7eeff;
  --node-body: #8898c4;
  --machine-fill: #1f3275;
  --layer-label: #6b7da8;
  --flow-line: #4a6fc6;
  --flow-line-thick: #6f95ff;
  --feedback-line: #4f78d4;
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  padding: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  background: var(--bg-radial-1), var(--bg-radial-2), var(--bg-page);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  transition: background 0.3s ease, color 0.3s ease;
}
body { min-height: 100vh; }

.page-shell { max-width: 1480px; margin: 0 auto; padding: 24px; }

/* ============== Cards & atoms ============== */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}
.section-heading h2 { margin: 0 0 6px; font-size: 28px; letter-spacing: -0.01em; color: var(--ink); }
.section-heading p { margin: 0; color: var(--muted); line-height: 1.6; max-width: 880px; }

/* ============== Topbar ============== */
.topbar {
  position: relative;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 22px 26px;
  margin-bottom: 14px;
  background: linear-gradient(135deg, var(--card-glass) 0%, var(--card-glass-2) 100%);
  backdrop-filter: blur(14px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.topbar::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 92% 0%, rgba(25,200,255,0.18), transparent 35%);
  pointer-events: none;
}
.brand { display: flex; align-items: center; gap: 18px; position: relative; min-width: 0; }
.logo {
  width: 124px;
  height: auto;
  object-fit: contain;
  flex-shrink: 0;
  padding: 8px 12px;
  border-radius: 12px;
  transition: background 0.25s ease, box-shadow 0.25s ease;
}
[data-theme="dark"] .logo {
  background: #ffffff;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.25);
}
.eyebrow { color: var(--blue); font-size: 12px; text-transform: uppercase; letter-spacing: 0.18em; font-weight: 700; margin-bottom: 4px; }
[data-theme="dark"] .eyebrow { color: var(--cyan); }
.topbar h1 {
  margin: 0;
  font-size: 30px;
  font-weight: 800;
  letter-spacing: -0.02em;
  background: linear-gradient(90deg, #061a6e 0%, #0b39f0 50%, #19c8ff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
[data-theme="dark"] .topbar h1 {
  background: linear-gradient(90deg, #c2d6ff 0%, #6ea1ff 50%, #19c8ff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.subtitle { margin: 6px 0 0; color: var(--muted); max-width: 760px; line-height: 1.55; font-size: 14px; }

.topbar-actions { display: flex; align-items: center; gap: 14px; position: relative; flex-shrink: 0; }
.topbar-badges {
  display: flex; flex-wrap: nowrap; align-items: center; justify-content: flex-end; gap: 8px;
}
.topbar-badges span {
  border: 1px solid var(--border-strong);
  background: var(--card-soft);
  color: var(--blue-dark);
  padding: 8px 13px;
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.topbar-badges span::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 4px rgba(46,204,113,0.18);
}
[data-theme="dark"] .topbar-badges span {
  background: rgba(255,255,255,0.06);
  color: #d8e2fb;
  border-color: rgba(255,255,255,0.18);
}

/* Theme toggle */
.theme-toggle {
  width: 44px; height: 44px;
  border-radius: 50%;
  border: 1px solid var(--border-strong);
  background: var(--card-soft);
  color: var(--ink);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all .25s var(--transition);
  flex-shrink: 0;
}
.theme-toggle:hover { background: var(--card); transform: rotate(15deg); box-shadow: var(--shadow-sm); }
.theme-toggle svg {
  width: 20px; height: 20px;
  stroke: currentColor; fill: none;
  stroke-width: 2; stroke-linecap: round; stroke-linejoin: round;
}
[data-theme="light"] .icon-moon { display: none; }
[data-theme="dark"] .icon-sun { display: none; }

/* ============== Quick Navigation ============== */
.quick-nav {
  position: sticky;
  top: 12px;
  z-index: 80;
  display: flex; flex-wrap: wrap; align-items: center; gap: 6px;
  padding: 10px 14px;
  margin-bottom: 22px;
  background: var(--card-glass);
  backdrop-filter: blur(14px);
  border: 1px solid var(--border);
  border-radius: 999px;
  box-shadow: var(--shadow-sm);
}
.quick-nav .nav-item {
  border: 1px solid transparent;
  background: transparent;
  color: var(--muted);
  font-family: inherit;
  font-weight: 600;
  font-size: 13px;
  padding: 8px 14px;
  border-radius: 999px;
  cursor: pointer;
  transition: all .2s var(--transition);
  text-decoration: none;
  white-space: nowrap;
}
.quick-nav .nav-item:hover { background: var(--card-soft); color: var(--ink); }
.quick-nav .nav-item.cta {
  background: var(--gradient-brand);
  color: white;
  border-color: transparent;
}
.quick-nav .nav-item.cta:hover { filter: brightness(1.1); transform: translateY(-1px); }
.quick-nav .nav-divider {
  width: 1px; height: 18px;
  background: var(--border);
  margin: 0 4px;
}

/* ============== Hero ============== */
.hero-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.35fr;
  gap: 22px;
  margin-bottom: 22px;
}
.hero-copy, .animation-panel,
.pillars-section, .footer,
.outcomes-section, .benefits,
.engagement-strip > .card { padding: 26px; }
.hero-copy h2, .animation-panel h2, .footer h2 {
  margin: 0 0 10px; font-size: 26px; letter-spacing: -0.01em; color: var(--ink);
}
.hero-copy p, .animation-panel p, .footer p { color: var(--muted); line-height: 1.65; }

.callouts { display: grid; grid-template-columns: 1fr; gap: 14px; margin-top: 22px; }
.callout {
  border: 1px solid var(--border);
  background: var(--card-soft);
  border-radius: var(--radius);
  padding: 18px;
  position: relative;
  overflow: hidden;
}
.callout::after {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 6px; height: 100%;
  background: linear-gradient(180deg, var(--blue) 0%, var(--cyan) 100%);
  opacity: .8;
}
.callout.highlight { background: var(--card-softer); border-color: var(--border-strong); }
.callout h3 { margin: 0 0 8px; font-size: 16px; color: var(--blue-dark); }
.callout ul { padding-left: 20px; margin: 0; color: var(--muted); line-height: 1.65; }
.callout p { margin: 0; color: var(--muted); }

.kpi-strip {
  margin-top: 22px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.kpi-strip .kpi {
  background: linear-gradient(180deg, var(--card-softer) 0%, var(--card) 100%);
  border: 1px solid var(--border);
  padding: 14px 12px;
  border-radius: 16px;
  text-align: center;
}
.kpi b {
  display: block;
  font-size: 22px;
  background: var(--gradient-kpi-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-weight: 800;
  letter-spacing: -0.02em;
}
.kpi span { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: .1em; }

.kpi-disclaimer {
  margin-top: 10px;
  font-size: 12px;
  color: var(--muted-2);
  font-style: italic;
  line-height: 1.5;
  text-align: center;
}

/* ============== Animation panel ============== */
.animation-panel {
  background: var(--gradient-card);
  position: relative;
  overflow: hidden;
}
.panel-header {
  display: flex; justify-content: space-between; align-items: flex-start; gap: 20px;
  margin-bottom: 18px; flex-wrap: wrap;
}
.mode-switch { display: flex; flex-wrap: wrap; gap: 8px; }
.mode-btn {
  border: 1px solid var(--border-strong);
  background: var(--card-soft);
  color: var(--blue-dark);
  padding: 9px 14px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all .25s var(--transition);
  font-family: inherit;
}
.mode-btn:hover { background: var(--card); transform: translateY(-1px); }
.mode-btn.active {
  background: var(--gradient-brand);
  color: white;
  border-color: transparent;
  box-shadow: 0 8px 20px rgba(11,57,240,0.28);
}

.svg-wrap {
  overflow: auto;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background:
    radial-gradient(circle at 5% 0%, rgba(11,57,240,0.10), transparent 35%),
    radial-gradient(circle at 100% 100%, rgba(25,200,255,0.10), transparent 35%),
    var(--card-soft);
  position: relative;
}
[data-theme="dark"] .svg-wrap {
  background:
    radial-gradient(circle at 5% 0%, rgba(25,200,255,0.18), transparent 35%),
    radial-gradient(circle at 100% 100%, rgba(123,92,255,0.16), transparent 35%),
    rgba(10,19,52,0.50);
}
#flowSvg { width: 100%; min-width: 720px; display: block; }

.layer-label {
  fill: var(--layer-label);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-weight: 700;
}
.node rect, .machine-node rect, .agent-node rect, .device-node rect {
  fill: var(--node-fill);
  stroke: var(--node-stroke);
  stroke-width: 1.6;
  filter: drop-shadow(0 8px 14px rgba(11,40,169,0.06));
}
.machine-node rect { fill: var(--machine-fill); }
[data-theme="light"] .agent-node rect { fill: url(#agentFill); stroke: #5b8cff; }
[data-theme="light"] .device-node rect { fill: url(#deviceFill); stroke: #00b69e; }
[data-theme="dark"] .agent-node rect { fill: rgba(123,92,255,0.22); stroke: var(--violet); }
[data-theme="dark"] .device-node rect { fill: rgba(0,212,184,0.18); stroke: var(--teal); }

.node-title { fill: var(--node-title); font-size: 14px; font-weight: 700; }
.node-title.small { font-size: 12px; }
.node-body { fill: var(--node-body); font-size: 11px; }
.node-body.small { font-size: 10px; }
.agent-icon { fill: var(--blue); }
.device-icon { fill: var(--teal); }
.flow-line {
  fill: none;
  stroke: var(--flow-line);
  stroke-width: 2.2;
  stroke-linecap: round;
  opacity: 0.85;
}
.flow-line.thick { stroke-width: 3; stroke: var(--flow-line-thick); }
.feedback-line {
  fill: none;
  stroke: var(--feedback-line);
  stroke-width: 1.8;
  stroke-dasharray: 6 6;
  opacity: 0.7;
}
.pulse { fill: url(#pulseGradient); filter: drop-shadow(0 0 10px rgba(11,57,240,0.55)); }
.pulse.feedback { fill: #4f84ff; }
.pulse.agent { fill: url(#agentPulse); filter: drop-shadow(0 0 8px rgba(123,92,255,0.6)); }
.pulse.device { fill: url(#devicePulse); filter: drop-shadow(0 0 8px rgba(0,212,184,0.6)); }

@keyframes nodeBlink { 0%,100% { stroke-opacity: 1; } 50% { stroke-opacity: 0.4; } }
.node-active rect { stroke: var(--blue); stroke-width: 2.5; animation: nodeBlink 1.4s ease-in-out infinite; }

.mode-content {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 12px;
  margin-top: 16px;
  counter-reset: card;
}
.mode-card {
  padding: 16px;
  border-radius: 18px;
  background: var(--card-soft);
  border: 1px solid var(--border);
  position: relative;
}
.mode-card::before {
  content: counter(card);
  counter-increment: card;
  position: absolute;
  top: 14px; right: 14px;
  width: 24px; height: 24px;
  border-radius: 50%;
  background: var(--gradient-brand);
  color: white;
  font-size: 12px;
  font-weight: 700;
  display: inline-flex; align-items: center; justify-content: center;
}
.mode-card h3 { margin: 0 0 6px; color: var(--blue-dark); font-size: 15px; padding-right: 28px; }
.mode-card p { margin: 0; color: var(--muted); line-height: 1.55; font-size: 13.5px; }

/* ============== Engagement strip (modal triggers) ============== */
.engagement-strip {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
  margin-bottom: 22px;
}
.engagement-card {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.engagement-card::before {
  content: '';
  position: absolute;
  top: -40px; right: -40px;
  width: 160px; height: 160px;
  background: radial-gradient(circle, rgba(25,200,255,0.20), transparent 60%);
  border-radius: 50%;
  pointer-events: none;
}
.engagement-card .eyebrow { margin-bottom: 0; }
.engagement-card h2 { margin: 4px 0 6px; font-size: 22px; letter-spacing: -0.01em; color: var(--ink); }
.engagement-card p { margin: 0; color: var(--muted); line-height: 1.6; }
.engagement-card .card-actions {
  display: flex; gap: 10px; flex-wrap: wrap; margin-top: 10px;
}
.engagement-card .feature-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin: 6px 0 0;
  padding: 0;
  list-style: none;
}
.engagement-card .feature-list li {
  display: flex; align-items: center; gap: 8px;
  font-size: 13px; color: var(--muted);
}
.engagement-card .feature-list li::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--cyan);
  border-radius: 50%;
  flex-shrink: 0;
}
.engagement-card .badge-row { display: flex; flex-wrap: wrap; gap: 6px; }
.engagement-card .badge-row span {
  font-size: 11px;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--card-soft);
  border: 1px solid var(--border);
  color: var(--blue-dark);
  font-weight: 600;
}

/* ============== Pillars ============== */
.pillars-section { margin-bottom: 22px; }
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-top: 18px;
}
.pillar {
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: linear-gradient(180deg, var(--card) 0%, var(--card-soft) 100%);
  transition: all .35s var(--transition);
  position: relative;
}
.pillar:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: var(--border-strong); }
.pillar span {
  display: inline-flex; align-items: center; justify-content: center;
  width: 32px; height: 32px;
  border-radius: 10px;
  background: var(--gradient-brand);
  color: white;
  font-weight: 800;
  margin-bottom: 12px;
  font-size: 14px;
}
.pillar h3 { margin: 0 0 8px; font-size: 15px; color: var(--ink); }
.pillar p { margin: 0; color: var(--muted); line-height: 1.55; font-size: 13px; }

/* ============== Outcomes ============== */
.outcomes-section { margin: 22px 0; background: var(--card); }
.outcomes-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 18px;
}
.outcome-card {
  padding: 18px;
  border-radius: 18px;
  border: 1px solid var(--border);
  background: linear-gradient(180deg, var(--card) 0%, var(--card-soft) 100%);
}
.outcome-card .figure {
  font-size: 30px; font-weight: 800; letter-spacing: -0.02em;
  background: var(--gradient-brand-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  display: block;
  line-height: 1;
}
.outcome-card span { color: var(--muted); font-size: 13px; display: block; margin-top: 6px; line-height: 1.45; }
.outcomes-disclaimer {
  margin-top: 14px;
  font-size: 12px;
  color: var(--muted-2);
  font-style: italic;
  line-height: 1.5;
  text-align: center;
}

/* ============== Benefits ============== */
.benefits { margin: 22px 0; }
.benefit-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 18px;
}
.benefit-grid article {
  padding: 18px;
  border-radius: 18px;
  border: 1px solid var(--border);
  background: linear-gradient(180deg, var(--card) 0%, var(--card-soft) 100%);
  transition: all .3s var(--transition);
}
.benefit-grid article:hover { border-color: var(--border-strong); box-shadow: var(--shadow); transform: translateY(-2px); }
.benefit-grid h3 { margin: 0 0 8px; font-size: 15px; color: var(--ink); }
.benefit-grid p { margin: 0; color: var(--muted); line-height: 1.55; font-size: 13px; }

/* ============== Footer ============== */
.footer {
  display: flex; justify-content: space-between; align-items: center;
  gap: 24px;
  margin-bottom: 22px;
  background: var(--gradient-dark);
  color: white;
  position: relative; overflow: hidden;
}
.footer::before {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(circle at 20% 0%, rgba(25,200,255,0.18), transparent 40%),
    radial-gradient(circle at 90% 100%, rgba(123,92,255,0.18), transparent 40%);
  pointer-events: none;
}
.footer h2, .footer p { color: white; }
.footer-cta { display: flex; flex-wrap: wrap; gap: 10px; position: relative; }
.footer-cta button, .footer-cta a {
  border: 1px solid rgba(255,255,255,0.35);
  border-radius: 999px;
  padding: 10px 18px;
  background: rgba(255,255,255,0.08);
  color: white;
  text-decoration: none;
  font-weight: 600;
  font-size: 13.5px;
  font-family: inherit;
  cursor: pointer;
  transition: all .25s var(--transition);
}
.footer-cta button:hover, .footer-cta a:hover { background: rgba(255,255,255,0.18); transform: translateY(-1px); }
.footer-cta .primary {
  background: linear-gradient(135deg, #19c8ff 0%, #ffffff 100%);
  color: #061a6e;
  border-color: transparent;
  font-weight: 700;
}

/* ============== Generic Buttons ============== */
.btn {
  cursor: pointer;
  padding: 10px 16px;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 600;
  font-family: inherit;
  border: 1px solid var(--border-strong);
  background: var(--card-soft);
  color: var(--ink);
  transition: all .25s var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.btn:hover { background: var(--card); transform: translateY(-1px); }
.btn.primary {
  background: var(--gradient-brand);
  color: white;
  border-color: transparent;
  box-shadow: 0 10px 24px rgba(11,57,240,0.30);
}
.btn.primary:hover { filter: brightness(1.08); }
.btn.cyan {
  background: linear-gradient(135deg, var(--blue) 0%, var(--cyan) 100%);
  color: white;
  border-color: transparent;
  box-shadow: 0 10px 24px rgba(25,200,255,0.30);
}
.btn:disabled { opacity: .5; cursor: not-allowed; transform: none; }

/* ============== Modal System ============== */
.modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding: 24px 16px;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}
.modal.open { display: flex; animation: modalFadeIn .25s ease-out; }
@keyframes modalFadeIn { from { opacity: 0; } to { opacity: 1; } }
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(8, 16, 38, 0.72);
  backdrop-filter: blur(8px);
  z-index: -1;
}
.modal-card {
  position: relative;
  width: 100%;
  max-width: 1280px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  margin: auto;
  animation: modalSlideUp .35s var(--transition);
  display: flex;
  flex-direction: column;
  max-height: calc(100vh - 48px);
}
@keyframes modalSlideUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
.modal-card.modal-narrow { max-width: 640px; }

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: var(--card);
  z-index: 2;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}
.modal-header h2 { margin: 0; font-size: 22px; letter-spacing: -0.01em; color: var(--ink); }
.modal-header p { margin: 4px 0 0; color: var(--muted); font-size: 13px; }
.modal-close {
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--card-soft);
  color: var(--ink);
  cursor: pointer;
  font-size: 22px;
  line-height: 1;
  display: flex; align-items: center; justify-content: center;
  transition: all .2s var(--transition);
  flex-shrink: 0;
}
.modal-close:hover { background: var(--rose); color: white; border-color: transparent; }

.modal-body {
  padding: 24px;
  overflow-y: auto;
  flex: 1;
}

/* Modal: scenarios specifically (dark interior) */
#simulationsModal .modal-card { background: var(--gradient-dark); color: white; }
#simulationsModal .modal-header {
  background: rgba(8, 16, 38, 0.55);
  border-bottom-color: rgba(255,255,255,0.10);
}
#simulationsModal .modal-header h2 { color: white; }
#simulationsModal .modal-header p { color: rgba(220,232,255,0.80); }
#simulationsModal .modal-close {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.20);
  color: white;
}

/* ============== Scenarios (inside modal) ============== */
.scenarios-inner { position: relative; }
.scenario-tabs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin: 0 0 22px;
}
.scenario-tab {
  cursor: pointer;
  padding: 14px;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,0.18);
  background: rgba(255,255,255,0.06);
  color: white;
  text-align: left;
  transition: all .3s var(--transition);
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 12px;
  align-items: center;
  font-family: inherit;
}
.scenario-tab:hover { background: rgba(255,255,255,0.12); border-color: rgba(255,255,255,0.30); }
.scenario-tab.active {
  background: linear-gradient(135deg, rgba(11,57,240,0.55) 0%, rgba(25,200,255,0.45) 100%);
  border-color: rgba(255,255,255,0.45);
  box-shadow: 0 14px 30px rgba(0,0,0,0.20);
}
.scenario-tab .tab-icon {
  width: 32px; height: 32px;
  border-radius: 10px;
  background: rgba(255,255,255,0.15);
  display: inline-flex; align-items: center; justify-content: center;
}
.scenario-tab .tab-icon svg { width: 18px; height: 18px; stroke: white; fill: none; stroke-width: 2; }
.scenario-tab .tab-title { font-weight: 700; font-size: 14px; }
.scenario-tab .tab-sub { font-size: 11.5px; color: rgba(220,232,255,0.75); margin-top: 2px; }

.scenario-stage {
  display: grid;
  grid-template-columns: 1.7fr 1fr;
  gap: 18px;
}
.stage-panel {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: var(--radius);
  padding: 18px;
  backdrop-filter: blur(12px);
}
.stage-panel h3 {
  margin: 0 0 10px; font-size: 16px; color: white;
  display: flex; align-items: center; gap: 10px;
}
.stage-panel h3 .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(25,200,255,0.18);
  animation: pulseDot 1.6s ease-in-out infinite;
}
@keyframes pulseDot { 0%,100% { opacity: 1; } 50% { opacity: .35; } }

.scenario-controls { display: flex; gap: 8px; flex-wrap: wrap; margin: 8px 0 14px; }
#simulationsModal .btn {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.30);
  color: white;
}
#simulationsModal .btn:hover { background: rgba(255,255,255,0.16); }
#simulationsModal .btn.primary {
  background: linear-gradient(135deg, var(--blue) 0%, var(--cyan) 100%);
  border-color: transparent;
}

.scenario-svg-wrap {
  background:
    radial-gradient(circle at 10% 0%, rgba(25,200,255,0.10), transparent 35%),
    linear-gradient(180deg, rgba(255,255,255,0.04) 0%, rgba(255,255,255,0.01) 100%);
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,0.10);
  padding: 8px;
  overflow: auto;
}
#scenarioSvg { width: 100%; min-width: 600px; display: block; height: 460px; }

.scn-bg { fill: rgba(255,255,255,0.03); stroke: rgba(255,255,255,0.10); }
.scn-zone-label { fill: rgba(220,232,255,0.55); font-size: 10.5px; text-transform: uppercase; letter-spacing: 0.16em; font-weight: 700; }
.scn-machine rect { fill: rgba(255,255,255,0.10); stroke: rgba(255,255,255,0.30); }
.scn-machine.active rect { fill: rgba(25,200,255,0.25); stroke: var(--cyan); }
.scn-machine.alert rect { fill: rgba(255,93,108,0.22); stroke: var(--rose); }
.scn-machine.maintenance rect { fill: rgba(255,181,71,0.20); stroke: var(--amber); }
.scn-machine.idle rect { fill: rgba(255,255,255,0.05); stroke: rgba(255,255,255,0.20); }
.scn-label { fill: white; font-size: 11px; font-weight: 600; }
.scn-sublabel { fill: rgba(220,232,255,0.70); font-size: 9.5px; }
.scn-agent rect { fill: rgba(123,92,255,0.20); stroke: var(--violet); }
.scn-device rect { fill: rgba(0,212,184,0.18); stroke: var(--teal); }
.scn-erp rect { fill: rgba(11,57,240,0.30); stroke: var(--blue-3); }
.scn-flow {
  fill: none;
  stroke: rgba(255,255,255,0.18);
  stroke-width: 1.6;
  stroke-dasharray: 4 4;
}
.scn-flow.live { stroke: var(--cyan); stroke-dasharray: none; opacity: .8; animation: flowDash 1.2s linear infinite; }
@keyframes flowDash { from { stroke-dashoffset: 0; } to { stroke-dashoffset: -16; } }
.scn-pulse { fill: var(--cyan); filter: drop-shadow(0 0 6px rgba(25,200,255,0.7)); }
.scn-pulse.alert { fill: var(--rose); filter: drop-shadow(0 0 6px rgba(255,93,108,0.7)); }
.scn-pulse.warn { fill: var(--amber); filter: drop-shadow(0 0 6px rgba(255,181,71,0.7)); }
.scn-pulse.violet { fill: var(--violet); filter: drop-shadow(0 0 6px rgba(123,92,255,0.7)); }

.scenario-side { display: flex; flex-direction: column; gap: 14px; }
.live-kpis { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.live-kpi {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: 14px;
  padding: 12px;
}
.live-kpi b { display: block; font-size: 22px; color: white; font-weight: 800; letter-spacing: -0.01em; }
.live-kpi span { font-size: 10.5px; color: rgba(220,232,255,0.70); text-transform: uppercase; letter-spacing: 0.10em; }

.event-log {
  flex: 1;
  background: rgba(0,0,0,0.18);
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: 14px;
  padding: 10px;
  font-family: 'JetBrains Mono', 'SF Mono', Menlo, monospace;
  font-size: 12px;
  max-height: 360px;
  overflow-y: auto;
  scroll-behavior: smooth;
}
.event-log .log-row {
  display: grid; grid-template-columns: 64px 1fr;
  gap: 8px;
  padding: 5px 6px;
  border-radius: 6px;
  border-left: 2px solid transparent;
  margin-bottom: 2px;
  animation: slideIn .3s var(--transition);
}
@keyframes slideIn { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: translateY(0); } }
.event-log .ts { color: rgba(220,232,255,0.55); font-size: 11px; }
.event-log .msg { color: rgba(235,242,255,0.92); }
.log-row.info { border-color: var(--cyan); }
.log-row.warn { border-color: var(--amber); background: rgba(255,181,71,0.06); }
.log-row.alert { border-color: var(--rose); background: rgba(255,93,108,0.07); }
.log-row.action { border-color: var(--violet); background: rgba(123,92,255,0.07); }
.log-row.success { border-color: var(--green); background: rgba(46,204,113,0.07); }
.event-log .tag {
  display: inline-block;
  font-size: 10px;
  padding: 1px 6px;
  border-radius: 6px;
  margin-right: 5px;
  font-weight: 700;
}
.tag.ai { background: rgba(123,92,255,0.30); color: #d9cfff; }
.tag.dev { background: rgba(0,212,184,0.25); color: #a8f4e8; }
.tag.erp { background: rgba(59,115,255,0.30); color: #c2d6ff; }
.tag.machine { background: rgba(255,255,255,0.16); color: #e6efff; }
.tag.safety { background: rgba(255,93,108,0.25); color: #ffd2d6; }

.scenario-description {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: 14px;
  padding: 14px;
  margin-top: 14px;
}
.scenario-description h4 { margin: 0 0 6px; font-size: 14px; color: white; }
.scenario-description p { margin: 0; color: rgba(220,232,255,0.85); line-height: 1.6; font-size: 13px; }

/* ============== Configurator (inside modal) ============== */
.config-grid {
  display: grid;
  grid-template-columns: 1.05fr 1.05fr 1.1fr;
  gap: 16px;
}
.config-panel, .summary-panel {
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--card-soft) 0%, var(--card-softer) 100%);
}
.config-panel h3, .summary-panel h3 {
  margin: 0 0 12px; font-size: 14px; color: var(--ink); font-weight: 700;
  display: flex; align-items: center; gap: 8px;
}
.config-panel h3:not(:first-child) { margin-top: 18px; }
.config-panel h3 .step {
  display: inline-flex; align-items: center; justify-content: center;
  width: 22px; height: 22px;
  background: var(--gradient-brand);
  color: white;
  border-radius: 7px;
  font-size: 11px;
  font-weight: 800;
}
.chip-group { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  cursor: pointer;
  border: 1px solid var(--border-strong);
  background: var(--card);
  color: var(--blue-dark);
  padding: 9px 14px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  transition: all .25s var(--transition);
  font-family: inherit;
}
.chip:hover { background: var(--card-softer); }
.chip.active {
  background: var(--gradient-brand);
  color: white;
  border-color: transparent;
  box-shadow: 0 8px 18px rgba(11,57,240,0.25);
}

.machine-list, .protocol-grid, .option-list, .agent-list { display: grid; gap: 8px; }
.machine-list label, .protocol-grid label, .option-list label, .agent-list label {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px;
  border-radius: 12px;
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--ink);
  font-size: 13.5px;
  cursor: pointer;
  transition: all .2s var(--transition);
}
.machine-list label:hover, .protocol-grid label:hover,
.option-list label:hover, .agent-list label:hover {
  border-color: var(--border-strong);
  background: var(--card-soft);
}
.protocol-grid { grid-template-columns: 1fr 1fr; }
.agent-list .agent-row {
  display: grid; grid-template-columns: 1fr auto; gap: 10px;
  align-items: center; width: 100%;
}
.agent-pill {
  font-size: 10.5px; padding: 2px 8px; border-radius: 999px;
  font-weight: 700; text-transform: uppercase; letter-spacing: .07em;
}
.agent-pill.ops { background: #e6efff; color: var(--blue-dark); }
.agent-pill.maint { background: #fff3df; color: #a55a00; }
.agent-pill.qual { background: #e3f9ee; color: #167a3a; }
.agent-pill.energy { background: #e6f7fb; color: #035d75; }
.agent-pill.sched { background: #efe6ff; color: #5a35bd; }
[data-theme="dark"] .agent-pill.ops { background: rgba(110,161,255,0.20); color: #b9cfff; }
[data-theme="dark"] .agent-pill.maint { background: rgba(255,181,71,0.18); color: #ffd9a0; }
[data-theme="dark"] .agent-pill.qual { background: rgba(46,204,113,0.18); color: #a4f0c4; }
[data-theme="dark"] .agent-pill.energy { background: rgba(25,200,255,0.18); color: #abe6f8; }
[data-theme="dark"] .agent-pill.sched { background: rgba(123,92,255,0.22); color: #d9cfff; }

input[type="checkbox"] {
  appearance: none;
  width: 18px; height: 18px;
  border: 1.6px solid var(--border-strong);
  border-radius: 5px;
  background: var(--input-bg);
  cursor: pointer;
  position: relative;
  transition: all .2s var(--transition);
  flex-shrink: 0;
}
input[type="checkbox"]:checked {
  background: var(--gradient-brand);
  border-color: transparent;
}
input[type="checkbox"]:checked::after {
  content: '';
  position: absolute;
  left: 5px; top: 1px;
  width: 5px; height: 10px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.summary-panel { background: linear-gradient(180deg, var(--card-softer) 0%, var(--card-soft) 100%); }
.summary-list { display: grid; gap: 10px; }
.summary-list .summary-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 12px 14px;
}
.summary-item strong {
  display: block;
  margin-bottom: 4px;
  color: var(--blue-dark);
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: .1em;
}
.summary-item span { font-size: 13px; color: var(--ink); line-height: 1.5; }
.summary-box {
  padding: 14px;
  margin-top: 16px;
  border-radius: 14px;
  background: var(--gradient-brand);
  color: white;
  position: relative;
  overflow: hidden;
}
.summary-box::after {
  content: '';
  position: absolute;
  top: -30px; right: -30px;
  width: 120px; height: 120px;
  background: radial-gradient(circle, rgba(255,255,255,0.25), transparent 60%);
}
.summary-box h4 { margin: 0 0 8px; color: white; font-size: 14px; }
.summary-box p { margin: 0; color: rgba(255,255,255,0.92); line-height: 1.55; font-size: 13px; }

.deployment-preview {
  margin-top: 18px;
  padding: 16px;
  border-radius: 16px;
  background: linear-gradient(180deg, #0c1a36 0%, #122356 100%);
  color: white;
  font-family: 'JetBrains Mono', 'SF Mono', Menlo, monospace;
  font-size: 12px;
  line-height: 1.55;
  border: 1px solid #1f3268;
  overflow-x: auto;
}
.deployment-preview .preview-head {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 10px;
  font-family: 'Inter', sans-serif;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .15em;
  color: rgba(255,255,255,0.55);
}
.preview-head .dots { display: flex; gap: 5px; }
.preview-head .dots i { width: 9px; height: 9px; border-radius: 50%; background: rgba(255,255,255,0.20); display: inline-block; }
.preview-head .dots i:nth-child(1) { background: #ff5f56; }
.preview-head .dots i:nth-child(2) { background: #ffbd2e; }
.preview-head .dots i:nth-child(3) { background: #27c93f; }
.deployment-preview pre { margin: 0; white-space: pre-wrap; color: #c8d6ff; }
.deployment-preview .k { color: #7fc4ff; }
.deployment-preview .s { color: #b9f6c5; }
.deployment-preview .v { color: #ffd28a; }
.deployment-preview .c { color: rgba(255,255,255,0.40); }

/* ============== Contact form ============== */
.form-tabs {
  display: flex;
  gap: 8px;
  background: var(--card-soft);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 5px;
  margin-bottom: 18px;
}
.form-tab {
  flex: 1;
  padding: 10px;
  border: none;
  background: transparent;
  color: var(--muted);
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  border-radius: 10px;
  transition: all .25s var(--transition);
}
.form-tab:hover { color: var(--ink); }
.form-tab.active {
  background: var(--gradient-brand);
  color: white;
  box-shadow: 0 6px 14px rgba(11,57,240,0.25);
}

.contact-form { display: grid; gap: 14px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-field { display: flex; flex-direction: column; gap: 6px; }
.form-field label {
  font-size: 12px;
  color: var(--muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
}
.form-field label .req { color: var(--rose); margin-left: 2px; }
.form-field input,
.form-field textarea,
.form-field select {
  padding: 11px 14px;
  border: 1.5px solid var(--border);
  border-radius: 12px;
  background: var(--input-bg);
  color: var(--ink);
  font-family: inherit;
  font-size: 14px;
  transition: all .2s var(--transition);
}
.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 4px rgba(11,57,240,0.12);
}
.form-field textarea { resize: vertical; min-height: 100px; font-family: inherit; }
.form-field.error input,
.form-field.error textarea {
  border-color: var(--rose);
  box-shadow: 0 0 0 4px rgba(255,93,108,0.10);
}
.form-field .err-msg {
  font-size: 11.5px;
  color: var(--rose);
  margin-top: 2px;
  display: none;
}
.form-field.error .err-msg { display: block; }

.form-info {
  background: var(--card-soft);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 14px;
  font-size: 12.5px;
  color: var(--muted);
  line-height: 1.55;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}
.form-info::before { content: 'ℹ'; font-size: 16px; line-height: 1; color: var(--blue); }

.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 6px;
}
.form-success {
  display: none;
  background: linear-gradient(135deg, rgba(46,204,113,0.12) 0%, rgba(25,200,255,0.10) 100%);
  border: 1px solid rgba(46,204,113,0.30);
  border-radius: 14px;
  padding: 16px;
  text-align: center;
}
.form-success.show { display: block; animation: slideIn .35s var(--transition); }
.form-success h4 { margin: 0 0 6px; color: var(--green); font-size: 16px; }
.form-success p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.55; }

/* ============== Responsive breakpoints ============== */
@media (max-width: 1340px) {
  .topbar { flex-direction: column; align-items: flex-start; }
  .topbar-actions { width: 100%; justify-content: space-between; flex-wrap: wrap; gap: 10px; }
  .topbar-badges { justify-content: flex-start; flex-wrap: wrap; }
}
@media (max-width: 1240px) {
  .hero-grid { grid-template-columns: 1fr; }
  .config-grid { grid-template-columns: 1fr 1fr; }
  .pillars-grid { grid-template-columns: 1fr 1fr; }
  .scenario-stage { grid-template-columns: 1fr; }
  .outcomes-grid, .benefit-grid { grid-template-columns: 1fr 1fr; }
  .footer { flex-direction: column; align-items: flex-start; }
  .panel-header { flex-direction: column; align-items: stretch; }
}
@media (max-width: 1024px) {
  .engagement-strip { grid-template-columns: 1fr; }
  .scenario-tabs { grid-template-columns: 1fr 1fr; }
  .config-grid { grid-template-columns: 1fr; }
  .pillars-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .page-shell { padding: 14px; }
  .topbar { padding: 18px 18px; }
  .topbar h1 { font-size: 24px; }
  .subtitle { font-size: 13px; }
  .hero-copy h2, .animation-panel h2,
  .section-heading h2, .footer h2 { font-size: 22px; }
  .pillars-grid, .mode-content, .benefit-grid,
  .protocol-grid, .scenario-tabs, .outcomes-grid,
  .kpi-strip, .live-kpis, .form-row { grid-template-columns: 1fr; }
  .brand { flex-direction: column; align-items: flex-start; }
  .logo { width: 100px; }
  .quick-nav {
    overflow-x: auto;
    flex-wrap: nowrap;
    border-radius: 16px;
    -webkit-overflow-scrolling: touch;
  }
  .quick-nav .nav-divider { display: none; }
  .modal { padding: 0; }
  .modal-card { max-height: 100vh; border-radius: 0; min-height: 100vh; }
  .modal-header { border-radius: 0; padding: 16px; }
  .modal-body { padding: 16px; }
  .footer-cta { width: 100%; }
  .footer-cta button, .footer-cta a { flex: 1; text-align: center; }
}
@media (max-width: 480px) {
  .topbar-badges span { font-size: 11px; padding: 6px 10px; }
  .pillar h3, .benefit-grid h3, .outcome-card span { font-size: 14px; }
  .outcome-card .figure { font-size: 26px; }
  .engagement-card .feature-list { grid-template-columns: 1fr; }
}

/* Scrollbar */
.event-log::-webkit-scrollbar,
.modal-body::-webkit-scrollbar,
.deployment-preview::-webkit-scrollbar { width: 6px; height: 6px; }
.event-log::-webkit-scrollbar-track,
.modal-body::-webkit-scrollbar-track { background: rgba(255,255,255,0.04); }
.event-log::-webkit-scrollbar-thumb,
.modal-body::-webkit-scrollbar-thumb { background: rgba(120,140,180,0.40); border-radius: 3px; }
[data-theme="dark"] .modal-body::-webkit-scrollbar-track { background: rgba(0,0,0,0.20); }

body.modal-open { overflow: hidden; }