/* ReactionLab — clean redesign, 2026-10-26.
   One design system: navy + blue + light grey, white cards, real shadows.
   No dead rules, no leaked component styles. System fonts only. */
*{box-sizing:border-box}
:root{
  --bg:#f6f7fb; --ink:#0f172a; --muted:#475569; --faint:#64748b;
  --line:#e2e8f0; --blue:#2563eb; --blue-dark:#1d4ed8; --navy:#0f172a;
  --green:#16a34a; --red:#dc2626; --amber:#d97706;
  --radius:16px; --shadow:0 10px 30px rgba(15,23,42,.08);
}
html{scroll-behavior:smooth;scroll-padding-top:88px}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.65;font-size:16px}
a{color:var(--blue)}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid #93c5fd;outline-offset:2px}
::selection{background:#dbeafe}
.wrap{max-width:1240px;margin:0 auto;padding:0 24px}

/* Header — brand left, Start Test + Menu right, Menu pill = CTA height */
.topbar{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 4px 20px rgba(15,23,42,.06)}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;height:70px}
.brand{display:inline-flex;align-items:center;gap:12px;font-size:24px;font-weight:800;color:var(--ink);text-decoration:none}
.brand-logo{width:34px;height:34px;flex:none;line-height:0}
.brand-logo svg{width:100%;height:100%;display:block}
.brand-text{letter-spacing:0;white-space:nowrap}
.foot-brand-link .brand-logo{width:28px;height:28px}
.header-actions{display:flex;align-items:center;gap:12px}
.header-cta,.cta-btn{display:inline-block;background:var(--blue);color:#fff;text-decoration:none;font-weight:700;padding:10px 20px;border-radius:999px;line-height:1.4}
.header-cta:hover,.cta-btn:hover{background:var(--blue-dark);color:#fff}
.menu{position:relative}
.menu summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:10px 20px;font-weight:700;line-height:1.4}
.menu summary::-webkit-details-marker{display:none}
.menu-bars{display:inline-flex;flex-direction:column;gap:4px}
.menu-bars span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px}
.menu-panel{position:absolute;right:0;top:calc(100% + 10px);min-width:220px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);padding:8px;z-index:60}
.menu-panel a{display:block;color:var(--ink);text-decoration:none;font-weight:600;padding:10px 14px;border-radius:10px}
.menu-panel a:hover{background:#eff6ff;color:var(--blue)}

/* Hero + tool — tool is the hero, immediately visible */
.hero-simple{padding:36px 0 8px}
.hero-badge{display:inline-block;background:#dbeafe;color:#1e40af;font-weight:700;font-size:13px;letter-spacing:.04em;text-transform:uppercase;padding:6px 12px;border-radius:999px}
.hero-simple h1{font-size:46px;line-height:1.1;letter-spacing:-.02em;margin:14px 0 10px}
.lead{font-size:19px;color:var(--muted);max-width:820px;margin:0 0 16px}
.tool-instruction{color:var(--muted);margin:0 0 20px}
#test{background:var(--navy);border-radius:20px;padding:28px;box-shadow:var(--shadow);margin:8px 0}
.tool-bar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}
.tool-pill{color:#cbd5e1;font-weight:700;font-size:14px}
.reset-btn{background:transparent;color:#fff;border:1px solid #334155;border-radius:999px;padding:8px 18px;font-weight:700;cursor:pointer}
.reset-btn:hover{border-color:#94a3b8}
.testbox{display:block;width:100%;min-height:220px;border:0;border-radius:14px;color:#fff;font:inherit;cursor:pointer;padding:24px}
.testbox span{display:block;font-size:32px;font-weight:800}
.testbox small{display:block;font-size:16px;opacity:.9;margin-top:8px}
.testbox.idle{background:var(--blue)}
.testbox.waiting{background:var(--red)}
.testbox.ready{background:var(--green)}
.testbox.toosoon{background:var(--amber)}
.testbox.done{background:#1e293b}
.attempt-dots{display:flex;gap:10px;justify-content:center;margin:18px 0 4px}
.attempt-dots span{width:14px;height:14px;border-radius:50%;background:#334155}
.attempt-dots span.done{background:var(--green)}
.attempt-dots span.current{background:#fff;box-shadow:0 0 0 3px var(--blue)}
.hint{text-align:center;color:#94a3b8;font-size:14px;margin:8px 0 18px}
.scoreboard{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.score{background:rgba(255,255,255,.08);border:1px solid #334155;border-radius:14px;padding:16px;text-align:center}
.score span{display:block;color:#94a3b8;font-size:13px;text-transform:uppercase;letter-spacing:.06em}
.score b{display:block;color:#fff;font-size:26px;margin-top:4px}
.score-strip{text-align:center;color:#94a3b8;font-size:14px}
.score-strip b{color:#fff}
.attempts{list-style:none;padding:0;margin:16px 0 0;display:flex;flex-wrap:wrap;gap:10px}
.attempts li{background:rgba(255,255,255,.08);color:#e2e8f0;border:1px solid #334155;border-radius:999px;padding:6px 14px;font-size:14px}
.result-box{background:#fff;border:1px solid var(--line);border-left:5px solid var(--green);border-radius:14px;padding:22px 24px;margin-top:20px;color:var(--ink)}
.result-box h2{margin-top:0}
.hidden{display:none!important}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:16px}
button,.btn{background:var(--blue);color:#fff;border:0;border-radius:10px;padding:11px 20px;font-size:15px;font-weight:700;cursor:pointer}
button:hover,.btn:hover{background:var(--blue-dark)}
button.secondary,.btn.secondary,.secondary{background:#fff;color:var(--ink);border:1px solid var(--line)}
button.secondary:hover,.btn.secondary:hover,.secondary:hover{background:#f8fafc}
.disclaimer{color:#94a3b8;font-size:14px;margin-top:18px}
.disclaimer strong{color:#e2e8f0}

/* Content sections — each designed differently, never the same card twice */
main section{margin:48px 0}
main h2{font-size:28px;letter-spacing:-.01em;margin:0 0 16px;padding-left:14px;border-left:5px solid var(--blue)}
main h3{font-size:18px;margin:0 0 6px}
main p{margin:0 0 14px}
main ul,main ol{margin:0 0 16px;padding-left:22px}
main li{margin-bottom:8px}
table{width:100%;border-collapse:collapse;background:#fff;border-radius:14px;overflow:hidden;box-shadow:var(--shadow)}
th,td{border:1px solid var(--line);padding:12px 14px;text-align:left;vertical-align:top}
th{background:var(--navy);color:#fff;border-color:var(--navy)}
tr:nth-child(even) td{background:#f8fafc}
.callout{background:#eff6ff;border:1px solid #bfdbfe;border-left:5px solid var(--blue);border-radius:14px;padding:22px 24px;margin:20px 0}
.notice{background:#fffbeb;border:1px solid #fde68a;border-left:5px solid var(--amber);border-radius:14px;padding:16px 20px;margin:20px 0}
.audience-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:20px 0}
.audience-grid>div{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px;box-shadow:var(--shadow)}
.audience-grid h3{color:var(--blue)}
.stats-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:20px 0}
.stats-strip>div{background:var(--navy);color:#fff;border-radius:14px;padding:20px}
.stats-strip b{display:block;font-size:22px}
.stats-strip span{display:block;color:#cbd5e1;font-size:14px;margin-top:4px}
ol.steps{list-style:none;counter-reset:step;padding:0}
ol.steps li{position:relative;background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 20px 18px 64px;box-shadow:var(--shadow)}
ol.steps li:before{counter-increment:step;content:counter(step);position:absolute;left:16px;top:16px;width:32px;height:32px;border-radius:50%;background:var(--blue);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center}
.creator-dark{background:var(--navy);color:#e2e8f0;border-radius:20px;padding:28px;box-shadow:var(--shadow);margin:32px 0}
.creator-dark h2{border-left-color:#22c55e;color:#fff}
.creator-name{font-size:26px;font-weight:800;color:#fff;margin:0}
.creator-role{color:#7dd3fc;font-weight:700;margin:0 0 14px}
.creator-dark a{color:#93c5fd}
main details{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 20px;margin:12px 0;box-shadow:var(--shadow)}
main summary{font-weight:700;cursor:pointer;font-size:17px}
main details[open]{border-color:#93c5fd}
main details p{margin:12px 0 0;color:var(--muted)}

/* Inner pages */
.page-body{background:#fff;border:1px solid var(--line);border-radius:20px;padding:36px 40px;margin:28px auto;box-shadow:var(--shadow)}
.page-body h1{font-size:38px;letter-spacing:-.02em;margin:8px 0 12px;padding-left:0;border-left:0}
.page-body h2{margin-top:32px}
.breadcrumb{font-size:14px;color:var(--faint)}
.breadcrumb a{color:var(--faint)}
.page-body .lead{max-width:none}
.page-body form{max-width:640px}
.page-body label{display:block;font-weight:600;margin-top:16px}
.page-body input,.page-body textarea{width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:10px;font:inherit;margin-top:6px;background:#fff}
.page-body input:focus,.page-body textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px #dbeafe}

/* Contact */
.contact-hero{padding:28px 0 8px}
.contact-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:20px;margin:20px 0 32px}
.contact-form-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:28px;box-shadow:var(--shadow)}
.contact-side{display:flex;flex-direction:column;gap:16px}
.contact-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px;box-shadow:var(--shadow)}
.contact-card h3{color:var(--blue)}

/* Blog */
.guide-list{list-style:none;padding:0}
.guide-list li{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px 22px;margin:14px 0;box-shadow:var(--shadow)}
.guide-list li a{font-weight:800;font-size:18px;text-decoration:none}
.guide-list li p{color:var(--muted);margin:6px 0 0}

/* Footer — dark, soft links, brand white, no pill box */
footer{background:var(--navy);color:#cbd5e1;margin-top:56px}
.foot-new{display:flex;justify-content:space-between;gap:32px;padding:36px 24px 24px;max-width:1240px;margin:0 auto}
.foot-brand{max-width:420px}
.foot-brand-link{color:#fff;font-size:22px;font-weight:800}
.foot-brand p{color:#94a3b8;font-size:14px;margin:10px 0 0}
.foot-links{display:flex;flex-wrap:wrap;gap:8px 22px;align-content:flex-start}
.foot-links a{color:#cbd5e1;text-decoration:none;font-weight:600}
.foot-links a:hover{color:#fff;text-decoration:underline}
.foot-base{border-top:1px solid #1e293b;padding:16px 24px;text-align:center;color:#94a3b8;font-size:13px}

/* Mobile */
@media(max-width:900px){
  .wrap{padding:0 16px}
  .topbar-inner{height:64px}
  .brand{font-size:21px}
  .header-cta{padding:9px 14px}
  .menu summary{padding:9px 14px}
  .menu-panel{right:0;left:auto;min-width:200px}
  .hero-simple h1{font-size:32px}
  .hero-simple{padding:24px 0 4px}
  #test{padding:20px 16px;border-radius:16px}
  .testbox{min-height:190px}
  .testbox span{font-size:26px}
  .scoreboard{grid-template-columns:1fr 1fr}
  .audience-grid,.stats-strip{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .page-body{padding:24px 20px;border-radius:16px}
  .page-body h1{font-size:30px}
  .foot-new{flex-direction:column;padding:28px 16px 20px}
  main section{margin:36px 0}
  main h2{font-size:24px}
}

/* Links: no underline by default (colour shows it is a link), underline on hover only.
   Buttons, Menu links and the brand never get an underline, even on hover. */
a{text-decoration:none}
a:hover{text-decoration:underline}
.header-cta:hover,.cta-btn:hover,.btn:hover,.menu-panel a:hover,.brand:hover{text-decoration:none}

/* Footer social links: soft pills on the dark footer, like other sites. Never underlined. */
.foot-social{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}
.foot-social a{background:#1e293b;color:#cbd5e1;padding:7px 14px;border-radius:999px;font-size:13px;font-weight:700;text-decoration:none}
.foot-social a:hover{background:var(--blue);color:#fff;text-decoration:none}

@media(max-width:900px){.brand-logo{width:30px;height:30px}.foot-brand-link .brand-logo{width:26px;height:26px}}
/* Small phones: keep icon + Test Reaction + CTA + Menu on one header row */
@media(max-width:480px){
  .brand{font-size:18px;gap:8px}
  .brand-logo{width:26px;height:26px}
  .header-cta{padding:8px 12px}
  .menu summary{padding:8px 12px}
}