:root{
  --bg:#f4f7fb;
  --panel:#ffffff;
  --panel2:#f8fafc;
  --text:#0c172b;
  --muted:#65748b;
  --line:#dde5ef;
  --navy:#071426;
  --navy2:#0b1e36;
  --blue:#0e73ff;
  --cyan:#00c8ff;
  --teal:#00b9a8;
  --orange:#ff9b3d;
  --red:#f35b67;
  --purple:#8366ff;
  --shadow:0 20px 60px rgba(5,22,46,.09);
  --radius:22px;
  --sidebar:260px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Be Vietnam Pro","Inter",sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.65;
  overflow-x:hidden;
}
body.dark-mode{
  --bg:#07111f;
  --panel:#0e1a2b;
  --panel2:#101f32;
  --text:#edf5ff;
  --muted:#92a4bb;
  --line:#21334a;
  --shadow:0 20px 60px rgba(0,0,0,.25);
}
.noise{
  position:fixed;inset:0;pointer-events:none;z-index:9999;opacity:.025;
  background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.4'/%3E%3C/svg%3E");
}
.sidebar{
  position:fixed;left:0;top:0;bottom:0;width:var(--sidebar);z-index:100;
  background:linear-gradient(180deg,#061223 0%,#091a31 100%);
  color:#fff;padding:26px 18px 22px;border-right:1px solid rgba(255,255,255,.06);
  display:flex;flex-direction:column;
}
.brand{display:flex;align-items:center;gap:12px;padding:2px 8px 26px}
.brand-mark{
  width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--cyan),var(--blue));
  font-weight:800;box-shadow:0 10px 30px rgba(14,115,255,.35);
}
.brand-name{font-weight:800;letter-spacing:.08em;font-size:14px}
.brand-sub{font-size:10px;color:#84a3c7;letter-spacing:.22em;margin-top:-2px}
.side-nav{display:flex;flex-direction:column;gap:6px}
.nav-item{
  text-decoration:none;color:#8fa5c0;display:flex;align-items:center;gap:12px;
  padding:12px 13px;border-radius:12px;font-size:13px;font-weight:600;transition:.25s;
}
.nav-item svg{width:18px;height:18px}
.nav-item:hover,.nav-item.active{color:#fff;background:rgba(255,255,255,.07)}
.nav-item.active{box-shadow:inset 3px 0 0 var(--cyan)}
.sidebar-footer{margin-top:auto;border-top:1px solid rgba(255,255,255,.08);padding:18px 8px 0}
.badge-dot{font-size:10px;letter-spacing:.12em;font-weight:700;color:#c2d5ea}
.badge-dot span{display:inline-block;width:7px;height:7px;border-radius:50%;background:#29df98;box-shadow:0 0 12px #29df98;margin-right:6px}
.small-muted{color:#68829f;font-size:11px;margin-top:8px}
.main{margin-left:var(--sidebar);min-height:100vh}
.topbar{
  height:76px;position:sticky;top:0;z-index:80;display:flex;align-items:center;justify-content:space-between;
  padding:0 34px;background:rgba(244,247,251,.86);backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(180,194,212,.45)
}
.dark-mode .topbar{background:rgba(7,17,31,.86)}
.top-title{display:flex;flex-direction:column}
.top-title strong{font-size:13px;letter-spacing:.12em}
.top-title span{font-size:11px;color:var(--muted)}
.top-actions{display:flex;gap:8px}
.btn{
  border:0;border-radius:12px;padding:10px 15px;display:inline-flex;gap:8px;align-items:center;
  font-family:inherit;font-weight:700;font-size:12px;cursor:pointer;text-decoration:none;transition:.25s
}
.btn svg{width:16px;height:16px}
.btn.primary{background:linear-gradient(135deg,var(--blue),#1456d8);color:#fff;box-shadow:0 10px 25px rgba(14,115,255,.22)}
.btn.primary:hover{transform:translateY(-2px)}
.btn.secondary{background:var(--panel);color:var(--text);border:1px solid var(--line)}
.btn.ghost{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);color:#fff}
.btn.big{padding:13px 18px;font-size:13px}
.icon-btn{border:0;background:none;color:inherit}
.mobile-only{display:none}
.hero{
  position:relative;background:
  radial-gradient(circle at 74% 34%,rgba(0,200,255,.17),transparent 26%),
  radial-gradient(circle at 90% 0%,rgba(14,115,255,.20),transparent 30%),
  linear-gradient(135deg,#071426 0%,#0a1d36 55%,#0d2a4e 100%);
  color:#fff;padding:78px 54px 0;overflow:hidden
}
.hero:before{
  content:"";position:absolute;inset:0;opacity:.16;
  background-image:linear-gradient(rgba(255,255,255,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.08) 1px,transparent 1px);
  background-size:42px 42px;mask-image:linear-gradient(to right,transparent,black 40%)
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.12fr .88fr;gap:50px;align-items:center;max-width:1500px;margin:auto}
.eyebrow,.section-kicker{font-size:11px;font-weight:800;letter-spacing:.18em;color:#79dfff}
.eyebrow{display:flex;align-items:center;gap:8px}
.pulse{width:8px;height:8px;border-radius:50%;background:#35e4ab;box-shadow:0 0 15px #35e4ab}
.hero h1{font-size:clamp(44px,5vw,76px);line-height:1.04;margin:18px 0 22px;letter-spacing:-.045em;max-width:800px}
.hero h1 span{background:linear-gradient(90deg,#6fe4ff,#4ca0ff);-webkit-background-clip:text;color:transparent}
.hero-copy{max-width:760px;color:#b8cbe2;font-size:15px;line-height:1.8}
.hero-actions{display:flex;gap:10px;margin-top:28px}
.hero-note{
  display:flex;gap:13px;align-items:flex-start;margin-top:28px;padding:15px 17px;max-width:700px;
  border:1px solid rgba(255,255,255,.1);background:rgba(255,255,255,.055);border-radius:15px
}
.hero-note svg{width:20px;color:#68e6c2;flex:0 0 auto;margin-top:3px}
.hero-note strong{display:block;font-size:13px}
.hero-note span{display:block;color:#9eb7d2;font-size:12px;margin-top:3px}
.hero-visual{height:470px;position:relative;display:grid;place-items:center}
.radar-circle{position:absolute;border:1px solid rgba(74,204,255,.16);border-radius:50%}
.radar-circle.c1{width:210px;height:210px}.radar-circle.c2{width:330px;height:330px}.radar-circle.c3{width:450px;height:450px}
.card-center{
  width:170px;height:170px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;
  z-index:4;border-radius:50%!important;background:radial-gradient(circle at 30% 20%,#123c68,#09192b)!important;
  box-shadow:0 0 0 12px rgba(24,119,255,.07),0 30px 90px rgba(0,0,0,.35)!important
}
.ai-core{width:58px;height:58px;border-radius:18px;background:linear-gradient(135deg,var(--cyan),var(--blue));display:grid;place-items:center;margin-bottom:10px}
.ai-core svg{width:30px;height:30px}
.card-center strong{font-size:13px}.card-center span{font-size:10px;color:#8fb0cf}
.orbit-card{
  position:absolute;z-index:5;display:flex;align-items:center;gap:8px;padding:10px 13px;border-radius:12px;
  border:1px solid rgba(255,255,255,.1);background:rgba(7,20,38,.72);backdrop-filter:blur(12px);
  box-shadow:0 12px 35px rgba(0,0,0,.2);font-size:11px;color:#d9ebfc
}
.orbit-card svg{width:18px;color:#70dcff}
.orbit-1{top:38px;left:25%}.orbit-2{right:2%;top:115px}.orbit-3{right:8%;bottom:86px}.orbit-4{left:2%;bottom:88px}.orbit-5{left:0;top:145px}
.kpi-strip{
  position:relative;z-index:3;max-width:1500px;margin:68px auto 0;
  display:grid;grid-template-columns:repeat(4,1fr);background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.09);border-bottom:0;border-radius:20px 20px 0 0;overflow:hidden
}
.kpi-card{display:flex;gap:12px;align-items:center;padding:22px;border-right:1px solid rgba(255,255,255,.08)}
.kpi-card:last-child{border-right:0}
.kpi-icon{width:42px;height:42px;border-radius:13px;display:grid;place-items:center;flex:0 0 auto}
.kpi-icon svg{width:20px}
.kpi-icon.cyan{background:rgba(0,200,255,.12);color:#49dbff}
.kpi-icon.blue{background:rgba(14,115,255,.15);color:#6ba8ff}
.kpi-icon.orange{background:rgba(255,155,61,.14);color:#ffb365}
.kpi-icon.purple{background:rgba(131,102,255,.14);color:#a992ff}
.kpi-card span{font-size:10px;color:#7f9ab8;text-transform:uppercase;letter-spacing:.08em;display:block}
.kpi-card strong{font-size:20px;display:block;letter-spacing:-.03em}
.kpi-card small{font-size:10px;color:#98afc9}
.section{padding:74px 54px;max-width:1600px;margin:auto}
.section-head{display:flex;justify-content:space-between;gap:20px;align-items:flex-end;margin-bottom:34px}
.section-head h2{font-size:clamp(30px,3vw,46px);line-height:1.15;margin:8px 0 0;letter-spacing:-.035em}
.section-kicker{color:var(--blue)}
.head-tag{font-size:11px;font-weight:700;color:var(--blue);padding:8px 12px;border:1px solid #bcd3ff;background:#eef5ff;border-radius:999px;white-space:nowrap}
.head-tag.dark{color:#8edfff;border-color:rgba(117,222,255,.18);background:rgba(50,174,240,.08)}
.architecture-board{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow)}
.arch-row{display:grid;gap:14px}
.arch-row.top{grid-template-columns:repeat(3,1fr)}
.arch-row.bottom{grid-template-columns:repeat(4,1fr)}
.arch-node{border:1px solid var(--line);background:var(--panel2);padding:20px;border-radius:18px;min-height:120px}
.arch-node svg{color:var(--blue);width:24px;height:24px;margin-bottom:14px}
.arch-node strong,.arch-node span{display:block}
.arch-node strong{font-size:14px}.arch-node span{font-size:11px;color:var(--muted);margin-top:3px}
.arch-node.accent{background:linear-gradient(180deg,rgba(14,115,255,.06),rgba(0,200,255,.03))}
.connector-line{height:34px;width:2px;background:linear-gradient(to bottom,var(--line),var(--blue),var(--line));margin:auto}
.arch-core{display:grid;grid-template-columns:1fr 70px 1fr;align-items:center;background:linear-gradient(135deg,#071426,#0c2848);border-radius:18px;padding:22px;color:#fff}
.core-left,.core-right{padding:10px 14px}
.arch-core .label{font-size:9px;letter-spacing:.16em;color:#70d9ff;font-weight:800}
.arch-core strong{display:block;font-size:19px;margin:4px 0 10px}
.core-arrow{display:grid;place-items:center;color:#55d9ff}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chips span{font-size:9px;border:1px solid rgba(255,255,255,.1);padding:5px 8px;border-radius:999px;color:#9fb9d5}
.principle-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:18px}
.principle-card{background:var(--panel);border:1px solid var(--line);padding:22px;border-radius:18px}
.principle-card svg{color:var(--blue);width:24px}
.principle-card h3{font-size:15px;margin:14px 0 6px}.principle-card p{font-size:12px;color:var(--muted);margin:0}
.dark-section{max-width:none;background:linear-gradient(145deg,#071426,#0a1b30 60%,#0b2746);color:#fff;position:relative}
.dark-section>.section-head,.dark-section>.cost-pillars,.dark-section>.chart-grid,.dark-section>.calculator-grid,.dark-section>.roi-grid,.dark-section>.payback-box,.dark-section>.kpi-table-card{max-width:1492px;margin-left:auto;margin-right:auto}
.section-head.light h2{color:#fff}.section-head.light .section-kicker{color:#63ddff}
.cost-pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}
.pillar{position:relative;padding:28px;border-radius:22px;background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.09);overflow:hidden}
.pillar:after{content:"";position:absolute;right:-20px;top:-20px;width:110px;height:110px;border-radius:50%;background:rgba(0,200,255,.05)}
.pillar.danger:after{background:rgba(243,91,103,.08)}
.pillar-index{position:absolute;right:22px;top:15px;font-size:52px;font-weight:800;color:rgba(255,255,255,.045)}
.pillar-icon{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;background:rgba(0,200,255,.12);color:#59ddff}
.pillar h3{font-size:20px;margin:16px 0 2px}.pillar p{margin:0 0 14px;color:#87a2c0;font-size:11px}
.pillar ul{padding:0;list-style:none;margin:0}.pillar li{font-size:11px;color:#bfd0e3;padding:6px 0;border-bottom:1px dashed rgba(255,255,255,.08)}
.pillar li:before{content:"•";color:#56ddff;margin-right:8px}
.chart-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px;margin-top:15px}
.chart-card,.comparison-box{background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:22px;box-shadow:var(--shadow);color:var(--text)}
.dark-section .chart-card{background:rgba(255,255,255,.055);border-color:rgba(255,255,255,.09);color:#fff}
.chart-title{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.chart-title span{font-size:10px;color:var(--muted);text-transform:uppercase;letter-spacing:.09em}.dark-section .chart-title span{color:#7f9ab8}
.chart-title strong{display:block;font-size:15px;margin-top:2px}
.chart-card canvas{max-height:330px}
.mini-badge{font-size:9px;border:1px solid rgba(255,255,255,.12);padding:5px 8px;border-radius:999px;color:#77dcff}
.tabs{display:flex;gap:7px;flex-wrap:wrap;margin-bottom:18px}
.tab-btn{border:1px solid var(--line);background:var(--panel);padding:9px 14px;border-radius:999px;font-family:inherit;font-size:11px;font-weight:700;color:var(--muted);cursor:pointer}
.tab-btn.active{background:var(--navy);color:#fff;border-color:var(--navy)}
.tab-panel{display:none}.tab-panel.active{display:block}
.cost-table-wrap{overflow:auto;border:1px solid var(--line);border-radius:18px;background:var(--panel);box-shadow:var(--shadow)}
.cost-table{width:100%;border-collapse:collapse;min-width:760px}
.cost-table th,.cost-table td{text-align:left;padding:15px 17px;border-bottom:1px solid var(--line);font-size:11px}
.cost-table th{font-size:9px;letter-spacing:.09em;text-transform:uppercase;color:var(--muted);background:var(--panel2)}
.cost-table tr:last-child td{border-bottom:0}
.status{padding:5px 8px;border-radius:999px;font-size:9px;font-weight:800}
.status.must{background:#e9f8f4;color:#03836f}.status.high{background:#eaf2ff;color:#1b62c9}.status.med{background:#fff3e7;color:#b36113}
.device-grid,.price-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.device-card,.price-card{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:22px;box-shadow:var(--shadow)}
.device-card svg{width:26px;color:var(--blue);margin-bottom:20px}.device-card span,.device-card strong,.device-card small{display:block}
.device-card span{font-size:10px;color:var(--muted);text-transform:uppercase;letter-spacing:.08em}
.device-card strong{font-size:19px;margin-top:3px}.device-card small{font-size:10px;color:var(--muted);margin-top:3px}
.price-card .provider{font-size:9px;letter-spacing:.12em;font-weight:800;color:var(--blue)}
.price-card strong{display:block;font-size:20px;margin:10px 0 5px}.price-card p{font-size:11px;color:var(--muted);min-height:56px}
.source-tag{display:inline-block;padding:5px 7px;background:var(--panel2);border:1px solid var(--line);border-radius:7px;font-size:8px;color:var(--muted)}
.vision-stack{background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:15px;box-shadow:var(--shadow)}
.vision-step{display:grid;grid-template-columns:50px 1fr auto;gap:15px;align-items:center;padding:15px;border-bottom:1px solid var(--line)}
.vision-step>span{width:38px;height:38px;border-radius:12px;background:#eaf3ff;color:var(--blue);display:grid;place-items:center;font-size:10px;font-weight:800}
.vision-step div strong,.vision-step div small{display:block}.vision-step div strong{font-size:13px}.vision-step div small{font-size:10px;color:var(--muted)}
.vision-step b{font-size:15px}.vision-total{display:flex;justify-content:space-between;align-items:center;padding:20px 15px;font-size:11px;font-weight:800;color:var(--blue)}
.vision-total strong{font-size:23px}
.option-cards{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
.option-card{position:relative;background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:22px;box-shadow:var(--shadow);overflow:hidden}
.option-card.recommended{border:2px solid var(--blue);transform:translateY(-8px)}
.ribbon{position:absolute;right:-43px;top:17px;transform:rotate(40deg);background:var(--blue);color:#fff;font-size:8px;font-weight:800;padding:5px 45px}
.option-top{display:flex;align-items:center;justify-content:space-between}.opt-number{font-size:30px;font-weight:800;color:#dbe3ec}.opt-level{font-size:8px;letter-spacing:.1em;font-weight:800;color:var(--blue)}
.option-card h3{font-size:16px;line-height:1.3;margin:12px 0 8px}.option-card p{font-size:10px;color:var(--muted);min-height:70px}
.price-large{font-size:28px;font-weight:800;letter-spacing:-.04em}.price-large span{font-size:13px;margin-left:3px;color:var(--muted)}
.opex{font-size:9px;color:var(--muted)}
.meter{height:5px;background:var(--line);border-radius:999px;margin:15px 0}.meter span{display:block;height:100%;background:linear-gradient(90deg,var(--cyan),var(--blue));border-radius:999px}
.option-card ul{padding-left:17px;margin:0}.option-card li{font-size:10px;color:var(--muted);margin:5px 0}
.option-card.enterprise{background:linear-gradient(160deg,#071426,#102b4a);color:#fff;border-color:#153a62}.option-card.enterprise p,.option-card.enterprise li,.option-card.enterprise .opex{color:#98afc9}
.comparison-box{margin-top:20px;padding:26px}.comparison-box canvas{max-height:380px}
.calculator-section{padding-bottom:82px}
.calculator-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:18px}
.calc-controls,.calc-result{border:1px solid rgba(255,255,255,.09);background:rgba(255,255,255,.055);border-radius:22px;padding:27px}
.control-group{margin-bottom:20px}.control-group label{display:flex;justify-content:space-between;font-size:12px;margin-bottom:8px}.control-group label strong{font-size:16px;color:#68ddff}
.control-group small{color:#7893af;font-size:9px}
input[type=range]{width:100%;accent-color:#18bfff}
.toggle-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:20px}
.toggle-item{display:flex;align-items:center;gap:8px;border:1px solid rgba(255,255,255,.08);padding:10px;border-radius:11px;font-size:10px;color:#bdd0e4;cursor:pointer}
.toggle-item input{accent-color:#1fbfff}
.result-label{font-size:10px;letter-spacing:.14em;color:#70dfff;font-weight:800}
.result-number{font-size:68px;line-height:1;font-weight:800;letter-spacing:-.05em;margin:17px 0 24px}.result-number small{font-size:14px;color:#829eba;margin-left:6px}
.result-split{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.result-split div{background:rgba(255,255,255,.05);border-radius:12px;padding:12px}
.result-split span{font-size:8px;color:#7f9ab8;display:block}.result-split strong{font-size:14px}
.monthly-box{border-top:1px solid rgba(255,255,255,.09);border-bottom:1px solid rgba(255,255,255,.09);margin-top:18px;padding:15px 0;display:grid;grid-template-columns:1fr 1fr;gap:12px}
.monthly-box div{display:flex;justify-content:space-between}.monthly-box span{font-size:9px;color:#8da5bf}.monthly-box strong{font-size:14px;color:#fff}
.calc-disclaimer{font-size:9px;color:#6f89a4;margin-top:16px}
.roadmap{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:0;background:var(--panel);border:1px solid var(--line);border-radius:22px;overflow:hidden;box-shadow:var(--shadow)}
.road-item{padding:24px;border-right:1px solid var(--line);position:relative}.road-item:last-child{border-right:0}
.road-item.active{background:linear-gradient(180deg,rgba(14,115,255,.08),transparent)}
.road-marker{width:38px;height:38px;border-radius:12px;background:#eaf3ff;color:var(--blue);display:grid;place-items:center;font-weight:800;font-size:10px}
.road-content>span{font-size:8px;letter-spacing:.12em;color:var(--blue);font-weight:800;display:block;margin-top:16px}
.road-content h3{font-size:16px;margin:6px 0}.road-content p{font-size:10px;color:var(--muted);min-height:70px}
.road-budget{font-size:14px;font-weight:800}
.decision-gate{background:#071426;color:#fff;border-radius:20px;margin-top:18px;padding:22px}
.gate-title{display:flex;gap:10px;align-items:center;margin-bottom:16px}.gate-title svg{color:#63ddff}.gate-title strong{font-size:13px}
.gate-flow{display:grid;grid-template-columns:1fr 28px 1fr 28px 1fr 28px 1fr;align-items:center;gap:8px}
.gate-flow>div{padding:13px;border:1px solid rgba(255,255,255,.1);border-radius:12px}.gate-flow>div.highlight{background:rgba(0,200,255,.09);border-color:rgba(0,200,255,.25)}
.gate-flow span,.gate-flow small{display:block}.gate-flow span{font-size:11px;font-weight:700}.gate-flow small{font-size:9px;color:#7895b3}
.gate-flow>svg{width:17px;color:#426481}
.roi-grid{display:grid;grid-template-columns:2fr repeat(4,1fr);gap:12px}
.roi-card{padding:22px;border-radius:18px;border:1px solid rgba(255,255,255,.09);background:rgba(255,255,255,.05)}
.roi-card>svg,.roi-icon svg{color:#64ddff;width:25px}.roi-card span{display:block;font-size:8px;color:#78a0c0;letter-spacing:.12em;font-weight:800;margin-top:25px}.roi-card strong{display:block;font-size:14px;margin-top:4px}
.roi-card.major p{font-size:10px;color:#87a0bc}.roi-card.major{background:linear-gradient(145deg,rgba(14,115,255,.17),rgba(0,200,255,.05))}
.payback-box{display:grid;grid-template-columns:1fr 1.2fr;gap:20px;margin-top:18px;background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.09);border-radius:20px;padding:25px}
.payback-copy h3{font-size:20px;margin:8px 0}.payback-copy p{font-size:11px;color:#88a2bd}
.payback-math{display:grid;grid-template-columns:1fr 24px 1fr 24px 1.1fr;align-items:center;text-align:center}
.payback-math>div:not(.math-sign){padding:15px;border-radius:14px;background:rgba(255,255,255,.05)}.payback-math span{display:block;font-size:8px;color:#809bb7}.payback-math strong{font-size:20px}.payback-math .result{background:rgba(0,200,255,.12)!important}.payback-math .result strong{color:#6ce3ff}
.math-sign{font-size:20px;color:#54728f}
.kpi-table-card{margin-top:18px;border:1px solid rgba(255,255,255,.09);border-radius:18px;overflow:hidden}
.dark-table{background:rgba(255,255,255,.04);color:#fff}.dark-table th{background:rgba(255,255,255,.04);color:#7f9ab8}.dark-table td,.dark-table th{border-color:rgba(255,255,255,.08)}
.risk-matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:13px}
.risk-card{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:20px;position:relative;overflow:hidden}
.risk-card:before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px}.risk-card.high:before{background:var(--red)}.risk-card.medium:before{background:var(--orange)}.risk-card.low:before{background:var(--teal)}
.risk-top{display:flex;justify-content:space-between;font-size:9px;color:var(--muted)}.risk-top b{padding:4px 7px;border-radius:999px;background:var(--panel2)}
.risk-card h3{font-size:15px;margin:13px 0 7px}.risk-card p{font-size:10px;color:var(--muted);min-height:48px}.mitigation{font-size:9px;padding-top:10px;border-top:1px dashed var(--line);color:var(--muted)}
.executive{padding-top:20px}
.executive-panel{display:grid;grid-template-columns:1.1fr .9fr;border-radius:26px;overflow:hidden;background:linear-gradient(135deg,#071426,#0e3158);color:#fff;box-shadow:0 30px 80px rgba(5,22,46,.16)}
.exec-left,.exec-right{padding:38px}.exec-left h2{font-size:38px;line-height:1.15;margin:10px 0 15px}.exec-left p{font-size:12px;color:#9eb7d0}
.exec-tags{display:flex;flex-wrap:wrap;gap:7px;margin-top:22px}.exec-tags span{border:1px solid rgba(255,255,255,.1);background:rgba(255,255,255,.05);padding:7px 9px;border-radius:999px;font-size:9px}
.exec-right{background:rgba(255,255,255,.04);border-left:1px solid rgba(255,255,255,.08)}
.allocation>div{display:flex;justify-content:space-between;padding:9px 0;border-bottom:1px solid rgba(255,255,255,.07);font-size:10px;color:#a9bfd6}.allocation b{color:#fff;font-size:12px}
.allocation-total{border-bottom:0!important;margin-top:10px;padding:15px!important;background:rgba(0,200,255,.09);border-radius:12px}.allocation-total span{font-weight:800;color:#69dfff}.allocation-total b{font-size:18px}
.exec-message{display:flex;gap:12px;align-items:center;margin-top:15px;padding:20px 24px;background:var(--panel);border:1px solid var(--line);border-radius:18px}.exec-message svg{color:var(--blue)}.exec-message p{margin:0;font-size:12px;font-weight:600}
.sources{padding-top:40px}
.source-list{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.source-list a{text-decoration:none;color:var(--text);display:grid;grid-template-columns:42px 1fr 20px;align-items:center;background:var(--panel);border:1px solid var(--line);padding:15px;border-radius:14px}
.source-list a>span{font-size:19px;font-weight:800;color:#d0dae6}.source-list strong,.source-list small{display:block}.source-list strong{font-size:12px}.source-list small{font-size:9px;color:var(--muted)}.source-list svg{width:16px;color:var(--blue)}
.source-note{font-size:9px;color:var(--muted);margin-top:16px;padding:13px;border-left:3px solid var(--blue);background:var(--panel)}
.footer{margin:0 54px 30px;padding:20px 0;border-top:1px solid var(--line);display:flex;justify-content:space-between;color:var(--muted);font-size:9px}.footer strong,.footer span{display:block}.footer strong{color:var(--text);font-size:11px}
@media(max-width:1250px){
  :root{--sidebar:220px}
  .option-cards{grid-template-columns:repeat(3,1fr)}.option-card.recommended{transform:none}
  .kpi-strip{grid-template-columns:1fr 1fr}.kpi-card:nth-child(2){border-right:0}
  .roi-grid{grid-template-columns:1fr 1fr 1fr}.roi-card.major{grid-column:span 2}
}
@media(max-width:900px){
  .sidebar{transform:translateX(-100%);transition:.3s}.sidebar.open{transform:translateX(0)}
  .main{margin-left:0}.mobile-only{display:block}
  .topbar{padding:0 16px}.top-actions .btn span{display:none}
  .hero{padding:50px 22px 0}.hero-grid{grid-template-columns:1fr}.hero-visual{height:380px}.hero h1{font-size:50px}
  .section{padding:55px 22px}.section-head{align-items:flex-start;flex-direction:column}
  .architecture-board{padding:18px}.arch-row.top,.arch-row.bottom{grid-template-columns:1fr 1fr}
  .arch-core{grid-template-columns:1fr}.core-arrow{transform:rotate(90deg);padding:7px}
  .principle-grid,.cost-pillars,.chart-grid,.device-grid,.price-cards,.risk-matrix{grid-template-columns:1fr 1fr}
  .option-cards{grid-template-columns:1fr 1fr}
  .calculator-grid,.payback-box,.executive-panel{grid-template-columns:1fr}
  .roadmap{grid-template-columns:1fr 1fr}.road-item:nth-child(2){border-right:0}
  .gate-flow{grid-template-columns:1fr}.gate-flow>svg{transform:rotate(90deg);margin:auto}
  .source-list{grid-template-columns:1fr}
  .footer{margin:0 22px 25px}
}
@media(max-width:580px){
  .hero h1{font-size:40px}.hero-copy{font-size:13px}.hero-actions{flex-direction:column;align-items:flex-start}
  .hero-visual{height:330px;transform:scale(.88);margin:-25px}
  .kpi-strip{grid-template-columns:1fr}.kpi-card{border-right:0;border-bottom:1px solid rgba(255,255,255,.08)}
  .principle-grid,.cost-pillars,.chart-grid,.device-grid,.price-cards,.risk-matrix,.option-cards,.roadmap,.roi-grid{grid-template-columns:1fr}
  .arch-row.top,.arch-row.bottom{grid-template-columns:1fr}
  .result-split,.toggle-grid{grid-template-columns:1fr}.result-number{font-size:50px}.monthly-box{grid-template-columns:1fr}
  .roi-card.major{grid-column:auto}.payback-math{grid-template-columns:1fr;gap:7px}.math-sign{transform:rotate(90deg)}
  .exec-left h2{font-size:30px}.exec-left,.exec-right{padding:25px}.footer{flex-direction:column;gap:10px}
}
@media print{
  .sidebar,.topbar,.hero-actions,#calculator,.noise{display:none!important}
  .main{margin:0!important}.hero{padding:35px 25px}.hero-visual{display:none}.hero-grid{grid-template-columns:1fr}
  .section{padding:35px 25px;break-inside:avoid}.dark-section{-webkit-print-color-adjust:exact;print-color-adjust:exact}
  .option-cards{grid-template-columns:repeat(3,1fr)}.option-card{break-inside:avoid}.comparison-box{break-inside:avoid}
  body{background:#fff}.footer{margin:0 25px 20px}
}