:root{
  --navy:#0D1B2A;--orange:#FF6B00;--light:#F2F4F7;--white:#fff;--ink:#17212b;
  --muted:#667085;--border:#e4e7ec;--soft-orange:#fff3ea;--soft-blue:#eef4f8;
  --green:#157347;--red:#b42318;--amber:#b54708;--radius:22px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Montserrat,Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.55}
a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}.container{width:min(1180px,calc(100% - 36px));margin:auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.96);border-bottom:1px solid var(--border);backdrop-filter:blur(12px)}
.nav{height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand,.survey-brand{display:inline-flex;align-items:center;gap:10px}.brand-icon{position:relative;display:inline-block;width:38px;height:30px;flex:0 0 auto}.brand-icon i,.brand-icon b{position:absolute;top:6px;width:8px;height:26px;border-radius:2px;transform-origin:center}.brand-icon i{left:9px;background:var(--navy);transform:rotate(38deg)}.brand-icon b{right:9px;background:var(--orange);transform:rotate(-38deg)}.brand-text{display:inline-flex;align-items:baseline;font-size:25px;letter-spacing:-1.1px}.brand-text strong{color:var(--navy);font-weight:800}.brand-text em{color:var(--orange);font-style:normal;font-weight:800}.nav-links{display:flex;gap:24px;align-items:center;font-size:14px;font-weight:600}.nav-links a:hover{color:var(--orange)}.nav-cta{padding:10px 16px;border:1px solid var(--navy);border-radius:999px}
.hero{background:linear-gradient(135deg,var(--navy) 0%,#142d45 72%,#193b58 100%);color:#fff;padding:82px 0 72px;overflow:hidden}.hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:56px;align-items:center}.eyebrow{font-size:12px;letter-spacing:.16em;text-transform:uppercase;font-weight:700;color:var(--orange)}.hero h1{font-size:clamp(42px,6vw,76px);line-height:1.02;margin:12px 0 20px;max-width:780px}.hero p{font-size:18px;color:#d9e2ea;max-width:720px}.hero-actions,.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.btn{border:0;border-radius:12px;padding:13px 18px;font-weight:700;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:8px}.btn-primary{background:var(--orange);color:#fff}.btn-secondary{background:#fff;color:var(--navy)}.btn-ghost{background:transparent;color:var(--navy);border:1px solid var(--border)}.btn-dark{background:var(--navy);color:#fff}.btn-sm{padding:9px 12px;font-size:13px}.btn:disabled{opacity:.55;cursor:not-allowed}
.hero-panel{border:1px solid rgba(255,255,255,.18);border-radius:28px;padding:28px;background:rgba(255,255,255,.06)}.hero-panel .metric-line{display:grid;grid-template-columns:1fr auto;gap:16px;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.12)}.hero-panel .metric-line:last-child{border-bottom:0}.hero-panel strong{font-size:22px;color:#fff}.hero-panel span{color:#d9e2ea}
.section{padding:74px 0}.section-soft{background:var(--light)}.section-title{font-size:clamp(30px,4vw,46px);line-height:1.12;margin:8px 0 14px;color:var(--navy)}.section-intro{max-width:800px;color:var(--muted);font-size:17px}.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.cards{margin-top:36px}.card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:26px}.card h3{margin:8px 0 10px;color:var(--navy);font-size:22px}.card p{color:var(--muted);margin:0}.card .tag,.tag{display:inline-flex;align-items:center;border-radius:999px;padding:5px 9px;background:var(--soft-orange);color:#9a4200;font-size:12px;font-weight:700}.card.disabled{opacity:.72}.card-link{transition:transform .2s,border-color .2s}.card-link:hover{transform:translateY(-3px);border-color:#c8d0d8}.metric-card{display:flex;flex-direction:column;min-height:290px}.metric-card .formula{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:14px;background:var(--light);padding:12px;border-radius:10px;margin:16px 0;color:var(--navy)}.metric-card .spacer{flex:1}
.profile-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:38px;align-items:start}.profile-box{background:var(--navy);color:#fff;border-radius:26px;padding:30px}.profile-box h3{font-size:28px;margin:0 0 12px}.profile-box p{color:#dce4eb}.profile-details{display:grid;gap:12px}.profile-item{padding:15px 0;border-bottom:1px solid var(--border)}.profile-item:last-child{border-bottom:0}.profile-item strong{display:block;color:var(--navy);margin-bottom:3px}
.course-header{background:var(--navy);color:#fff;padding:58px 0}.breadcrumbs{font-size:13px;color:#c8d5df;margin-bottom:18px}.breadcrumbs a{color:#fff}.course-header h1{font-size:clamp(36px,5vw,60px);line-height:1.05;margin:0 0 16px}.course-header p{max-width:820px;color:#dbe4eb;font-size:17px}.course-nav{display:flex;gap:10px;flex-wrap:wrap;margin-top:26px}.course-nav a{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);border-radius:999px;padding:8px 12px;font-size:13px}
.tool-shell{display:grid;grid-template-columns:.92fr 1.08fr;gap:22px;align-items:start}.tool-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px}.tool-card h3{margin:0 0 8px;color:var(--navy)}.field{display:grid;gap:7px;margin:14px 0}.field label{font-size:13px;font-weight:700;color:#344054}.field input,.field select,.field textarea{width:100%;border:1px solid #cfd6dd;border-radius:10px;padding:11px 12px;background:#fff;min-height:44px}.field textarea{min-height:90px;resize:vertical}.input-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.result-box{background:var(--navy);color:#fff;border-radius:18px;padding:22px;margin-top:16px}.result-box small{color:#b9c7d2}.result-value{font-size:42px;line-height:1;font-weight:800;margin:8px 0}.result-note{color:#dbe4eb;font-size:14px}.formula-box{background:var(--light);border-radius:14px;padding:16px;margin:16px 0}.formula-box code{white-space:normal;color:var(--navy);font-weight:700}.teaching-note{border-left:4px solid var(--orange);padding:12px 16px;background:var(--soft-orange);border-radius:0 12px 12px 0;margin-top:18px}.teaching-note strong{display:block;color:#8b3d00;margin-bottom:4px}
.metric-section{padding:62px 0;border-bottom:1px solid var(--border)}.metric-section:last-child{border-bottom:0}.metric-head{display:grid;grid-template-columns:auto 1fr;gap:16px;align-items:start;margin-bottom:28px}.metric-number{width:46px;height:46px;display:grid;place-items:center;background:var(--orange);color:#fff;border-radius:14px;font-weight:800}.metric-head h2{margin:0;color:var(--navy);font-size:31px}.metric-head p{margin:5px 0 0;color:var(--muted)}
.scale{display:grid;grid-template-columns:repeat(11,1fr);gap:6px;margin:16px 0}.scale button{min-width:0;border:1px solid var(--border);background:#fff;border-radius:9px;padding:11px 0;font-weight:700;cursor:pointer}.scale button.active{background:var(--navy);color:#fff;border-color:var(--navy)}
.live-banner{background:linear-gradient(135deg,#fff5ee,#fff);border:1px solid #ffd6b8;border-radius:24px;padding:26px;margin-top:34px;display:grid;grid-template-columns:1fr auto;gap:22px;align-items:center}.live-banner h3{margin:0 0 8px;color:var(--navy)}.live-banner p{margin:0;color:var(--muted)}
.footer{background:#08131e;color:#cbd5df;padding:44px 0;margin-top:0}.footer-grid{display:flex;justify-content:space-between;gap:30px;align-items:center}.footer-brand{font-weight:800;color:#fff;font-size:22px}.orange{color:var(--orange)}
.admin-wrap{min-height:calc(100vh - 76px);background:var(--light);padding:48px 0}.admin-grid{display:grid;grid-template-columns:360px 1fr;gap:24px}.admin-panel{background:#fff;border:1px solid var(--border);border-radius:20px;padding:22px}.survey-list{display:grid;gap:10px}.survey-item{border:1px solid var(--border);border-radius:14px;padding:14px}.survey-item-head{display:flex;justify-content:space-between;gap:10px}.status{font-size:11px;font-weight:800;padding:4px 8px;border-radius:999px}.status.open{background:#ecfdf3;color:#027a48}.status.closed{background:#f2f4f7;color:#475467}
.survey-page{min-height:100vh;background:var(--light);display:grid;place-items:center;padding:28px}.survey-box{width:min(680px,100%);background:#fff;border:1px solid var(--border);border-radius:28px;padding:30px}.survey-brand{margin-bottom:12px}.survey-brand .brand-text{font-size:28px}.survey-box h1{color:var(--navy);font-size:30px;margin:18px 0 8px}.choice-grid{display:grid;grid-template-columns:repeat(11,1fr);gap:6px;margin:14px 0 22px}.choice-grid label{cursor:pointer}.choice-grid input{position:absolute;opacity:0;pointer-events:none}.choice-grid span{display:grid;place-items:center;border:1px solid var(--border);border-radius:9px;height:46px;font-weight:700}.choice-grid input:checked+span{background:var(--navy);color:#fff;border-color:var(--navy)}.csat-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:8px}.csat-grid label{cursor:pointer}.csat-grid input{position:absolute;opacity:0}.csat-grid span{display:grid;place-items:center;text-align:center;border:1px solid var(--border);border-radius:10px;min-height:58px;padding:8px;font-size:13px}.csat-grid input:checked+span{background:var(--navy);color:#fff;border-color:var(--navy)}
.dashboard-top{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.kpi{background:#fff;border:1px solid var(--border);border-radius:18px;padding:20px}.kpi small{color:var(--muted);font-weight:600}.kpi strong{display:block;color:var(--navy);font-size:34px;margin-top:6px}.bar-list{display:grid;gap:11px;margin-top:16px}.bar-row{display:grid;grid-template-columns:120px 1fr 55px;gap:10px;align-items:center;font-size:13px}.bar{height:12px;background:#eef0f2;border-radius:999px;overflow:hidden}.bar>i{display:block;height:100%;background:var(--navy);border-radius:999px}.muted{color:var(--muted)}.alert{padding:12px 14px;border-radius:12px;background:#fff4ed;color:#9a3412;margin:12px 0}.success{padding:12px 14px;border-radius:12px;background:#ecfdf3;color:#027a48;margin:12px 0}
@media(max-width:900px){.hero-grid,.profile-grid,.tool-shell,.admin-grid{grid-template-columns:1fr}.grid-3{grid-template-columns:1fr 1fr}.dashboard-top{grid-template-columns:1fr 1fr}.nav-links a:not(.nav-cta){display:none}.hero{padding-top:58px}.hero-panel{max-width:620px}.live-banner{grid-template-columns:1fr}}
@media(max-width:620px){.container{width:min(100% - 24px,1180px)}.grid-2,.grid-3,.input-row{grid-template-columns:1fr}.nav{height:68px}.brand-text{font-size:22px}.brand-icon{transform:scale(.9)}.hero h1{font-size:42px}.section{padding:54px 0}.choice-grid,.scale{grid-template-columns:repeat(6,1fr)}.csat-grid{grid-template-columns:1fr}.dashboard-top{grid-template-columns:1fr}.survey-box{padding:22px}.footer-grid{display:grid}.metric-head h2{font-size:26px}}