:root{
  --bg:#f6f8fc;--surface:#fff;--text:#172033;--muted:#5f6f84;--line:#dfe5ee;
  --brand:#1769e0;--brand-dark:#1156ba;--soft:#edf4ff;--radius:16px;
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  color-scheme:light;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--bg)}
body{margin:0;background:var(--bg);color:var(--text);line-height:1.55}
a{color:var(--brand)}
img,svg{display:block;max-width:100%}
button,input,select,textarea{font:inherit}
.skip-link{position:absolute;left:-9999px;top:8px;z-index:1000;background:#fff;padding:10px 14px;border-radius:10px}
.skip-link:focus{left:12px}
.calm-guest-header{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:14px max(20px,calc((100% - 1120px)/2));background:rgba(246,248,252,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(10px)}
.calm-brand{display:flex;align-items:center;gap:10px;color:var(--text);text-decoration:none;min-width:0}
.calm-brand img{width:34px;height:34px;border-radius:9px}
.calm-brand>span{display:flex;flex-direction:column;min-width:0}
.calm-brand strong{font-size:18px;line-height:1.2}
.calm-brand small{display:flex;align-items:center;gap:5px;color:var(--muted);font-size:11px;line-height:1.25;white-space:nowrap}
.sidebar-country-flag{width:18px;height:10px;flex:0 0 auto}
.calm-guest-header>div{display:flex;align-items:center;gap:12px}
.calm-guest-header>div>a:not(.button){color:var(--text);text-decoration:none;font-weight:650}
.calm-layout{display:block}
.calm-main{width:min(1120px,calc(100% - 32px));margin:0 auto;padding:46px 0 28px}
.hero{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(280px,.75fr);gap:28px;align-items:center;padding:34px 0 26px}
.hero h1,.seo-hero h1{font-size:clamp(38px,6vw,68px);line-height:1.02;letter-spacing:-.05em;margin:8px 0 18px}
.accent-text{color:var(--brand)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--brand);font-size:12px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}
.hero p{font-size:18px;line-height:1.65;color:var(--muted);max-width:720px}
.hero p strong{color:var(--text)}
.calm-landing-examples{font-size:16px!important}
.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 17px;border:1px solid var(--brand);border-radius:11px;background:var(--brand);color:#fff;text-decoration:none;font-weight:750;line-height:1.25;transition:transform .15s ease,background .15s ease}
.button:hover{background:var(--brand-dark);transform:translateY(-1px)}
.button.secondary{background:#fff;color:var(--brand)}
.button.secondary:hover{background:var(--soft)}
.activity-panel,.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 8px 26px rgba(30,52,79,.05)}
.welcome-audience{padding:22px}
.welcome-audience h2{font-size:19px;margin:0 0 12px}
.audience-list{display:grid;gap:10px}
.audience-list p{display:flex;flex-direction:column;gap:2px;margin:0;padding:10px 0;border-bottom:1px solid var(--line);font-size:14px!important}
.audience-list p:last-child{border-bottom:0}
.audience-list span{color:var(--muted)}
.grid3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.welcome-steps{margin:18px 0 42px}
.welcome-steps>div{padding:20px;border:1px solid var(--line);border-radius:var(--radius);background:rgba(255,255,255,.7)}
.welcome-steps h3{margin:0 0 6px}
.welcome-steps p{margin:0;color:var(--muted)}
.seo-page{display:flex;flex-direction:column;gap:28px}
.seo-hero{max-width:840px;padding:22px 0 10px}
.seo-lead{font-size:clamp(17px,2.2vw,22px);line-height:1.65;color:var(--muted);max-width:780px}
.seo-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.seo-grid>.card,.seo-guide-list>.card{padding:22px;text-decoration:none;color:inherit}
.seo-grid h2,.seo-grid h3,.seo-guide-list h2{margin:0 0 8px;line-height:1.25}
.seo-grid p,.seo-guide-list p{margin:0;color:var(--muted)}
.seo-section{max-width:840px;padding:8px 0}
.seo-section h2,.seo-links h2{font-size:clamp(24px,3vw,34px);line-height:1.2;letter-spacing:-.025em;margin:0 0 12px}
.seo-section h3{margin-bottom:8px}
.seo-section :is(p,li),.seo-links p{font-size:16px;line-height:1.75}
.seo-section ul,.seo-section ol{padding-left:24px}
.seo-section li+li{margin-top:8px}
.seo-links{padding:22px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.seo-guide-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.seo-guide-list>.card:hover,.seo-home-links .card:hover{transform:translateY(-1px);box-shadow:0 10px 26px rgba(30,52,79,.08)}
.seo-pricing{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;align-items:stretch}
.seo-pricing>.card{display:flex;flex-direction:column;padding:24px}
.seo-pricing>.card ul{padding-left:20px}
.seo-pricing>.card .button{margin-top:auto}
.seo-price{font-size:28px;font-weight:850;letter-spacing:-.03em;margin:6px 0}
.muted{color:var(--muted)}
.seo-home-links{width:100%;margin:34px auto 0;padding-top:28px;border-top:1px solid var(--line)}
.seo-home-links>h2{font-size:clamp(24px,3vw,34px);margin:0 0 16px}
.seo-home-links a{text-decoration:none;color:inherit}
.calm-footer{width:min(1120px,calc(100% - 32px));margin:30px auto 0;padding:22px 0 30px;border-top:1px solid var(--line);display:flex;align-items:flex-start;justify-content:space-between;gap:18px;color:var(--muted)}
.calm-footer>span{font-weight:800;color:var(--text)}
.seo-footer-nav{display:flex;justify-content:flex-end;flex-wrap:wrap;gap:9px 16px}
.seo-footer-nav a{font-size:13px;text-decoration:none;color:var(--muted)}
.seo-footer-nav a:hover{color:var(--brand)}
@media(max-width:860px){
  .hero{grid-template-columns:1fr}
  .grid3,.seo-grid,.seo-guide-list,.seo-pricing{grid-template-columns:1fr}
  .welcome-audience{max-width:680px}
  .seo-hero{padding-top:12px}
}
@media(max-width:700px){
  .calm-guest-header{padding:11px 12px}
  .calm-brand small{max-width:150px;white-space:normal}
  .calm-guest-header>div{gap:8px}
  .calm-guest-header>div>a:not(.button){font-size:13px}
  .calm-guest-header .button{min-height:40px;padding:8px 11px;font-size:13px}
  .calm-main{width:min(100% - 24px,1120px);padding-top:24px}
  .hero{padding-top:16px;gap:18px}
  .hero h1,.seo-hero h1{font-size:36px}
  .hero p,.seo-lead{font-size:16px}
  .welcome-steps{margin-bottom:28px}
  .seo-page{gap:20px}
  .seo-grid>.card,.seo-guide-list>.card,.seo-pricing>.card{padding:18px}
  .calm-footer{width:min(100% - 24px,1120px);flex-direction:column}
  .seo-footer-nav{justify-content:flex-start}
}

/* Landing-page audience panel, study steps and topic links */
.welcome-audience {
  background: radial-gradient(ellipse at 95% 0, rgba(133,101,238,.44), transparent 63%), #1b1c33;
  color: white;
}
.hero.beta-welcome .welcome-audience :is(h2,strong) { color: #fff; }
.welcome-audience .audience-list span { color: #e8e6f4; }
.welcome-audience .audience-list p { border-color: rgba(255,255,255,.16); }
.welcome-steps {
  grid-template-columns: repeat(3,minmax(0,1fr));
  gap: clamp(5px,1vw,12px);
  margin: 18px 0 4px;
}
.welcome-steps > div { padding: clamp(8px,1.2vw,14px); }
.welcome-steps h3 { font-size: 15px; line-height: 1.3; margin-bottom: 3px; }
.welcome-steps p { font-size: 14px; line-height: 1.4; }
.landing-topic-links {
  display: grid;
  grid-template-columns: repeat(4,minmax(0,1fr));
  align-items: center;
  text-align: center;
}
.landing-topic-links a {
  display: grid;
  align-items: center;
  min-height: 44px;
  padding: 4px;
  font-size: 14px;
  line-height: 1.3;
  color: var(--brand);
  text-underline-offset: 3px;
}
@media(max-width:480px) {
  .welcome-steps h3 {font-size:13px;}
  .welcome-steps p,.landing-topic-links a {font-size:12px;}
}

@media (max-width: 700px) {
  .hero.beta-welcome .welcome-audience .audience-list {
    gap: 0;
  }
  .hero.beta-welcome .welcome-audience .audience-list > p {
    padding-block: 12px;
  }
  .hero.beta-welcome .welcome-audience .audience-list > p:last-child {
    padding-bottom: 0;
  }
  .hero.beta-welcome .audience-list strong {
    font-size: 16px;
    line-height: 1.35;
  }
}

@media (max-width: 700px) {
  .calm-guest-header { background: var(--bg, #f6f8fc); }
}