:root{
 --v21-bg:#f6f7fb;--v21-surface:#fff;--v21-ink:#101322;--v21-muted:#687085;
 --v21-line:#e6e8ef;--v21-indigo:#5a4bff;--v21-blue:#2474ff;--v21-cyan:#15c7c8;
 --v21-lime:#b9f74a;--v21-pink:#ff6f9d;--v21-shadow:0 20px 60px rgba(31,38,76,.10);
}
body{background:var(--v21-bg);color:var(--v21-ink)}
.v18-top{background:rgba(255,255,255,.88)!important;border:0!important;border-bottom:1px solid rgba(20,25,45,.07)!important;backdrop-filter:blur(18px);box-shadow:none!important;position:sticky;top:0;z-index:50}
.v18-top .topin{height:72px!important}.v18-top .brand,.v18-top .nav a{color:#101322!important}.v18-top .nav a{font-weight:720;opacity:.78!important}.v18-top .nav a:hover{color:var(--v21-indigo)!important;opacity:1!important}.v18-top .lang,.v18-top .account-btn{background:#f1f3f8!important;color:#182035!important;border:1px solid #e2e5ec!important}.v18-brand .brandmark{background:linear-gradient(135deg,var(--v21-indigo),var(--v21-cyan))!important;box-shadow:none!important}.v18-brand b{color:var(--v21-indigo)!important}
.v21-home{overflow:hidden}.v21-hero{position:relative;padding:66px 0 44px;background:
 radial-gradient(circle at 15% 10%,rgba(185,247,74,.24),transparent 23%),
 radial-gradient(circle at 88% 18%,rgba(90,75,255,.18),transparent 26%),
 linear-gradient(180deg,#fff 0,#f8f9fd 100%);}
.v21-hero:after{content:"";position:absolute;right:-130px;top:160px;width:320px;height:320px;border:1px solid rgba(90,75,255,.12);border-radius:50%;box-shadow:0 0 0 60px rgba(90,75,255,.035),0 0 0 120px rgba(90,75,255,.025)}
.v21-hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:54px;align-items:center}
.v21-eyebrow{display:inline-flex;align-items:center;gap:8px;border:1px solid #e4e6ef;background:#fff;border-radius:999px;padding:7px 10px;font-size:11px;font-weight:850;box-shadow:0 8px 24px rgba(30,38,78,.05)}.v21-eyebrow i{width:8px;height:8px;border-radius:50%;background:var(--v21-lime);box-shadow:0 0 0 5px rgba(185,247,74,.18)}
.v21-hero h1{font-size:clamp(48px,6.4vw,88px);line-height:.95;letter-spacing:-.065em;margin:20px 0 18px;max-width:800px}.v21-hero h1 em{font-style:normal;background:linear-gradient(90deg,var(--v21-indigo),var(--v21-blue),var(--v21-cyan));-webkit-background-clip:text;color:transparent}
.v21-hero .lead{font-size:19px;line-height:1.65;color:#5d667b;max-width:690px}
.v21-goalbox{margin-top:28px;background:#fff;border:1px solid #e5e8f0;border-radius:22px;padding:10px;display:flex;gap:9px;box-shadow:var(--v21-shadow);max-width:720px}.v21-goalbox input{flex:1;border:0;background:transparent;padding:14px 12px;font:inherit;font-size:15px;outline:none}.v21-goalbox button{border:0;border-radius:16px;background:linear-gradient(135deg,var(--v21-indigo),var(--v21-blue));color:#fff;padding:0 20px;font-weight:850;cursor:pointer}.v21-goalbox button:hover{transform:translateY(-1px)}
.v21-chips{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}.v21-chip{border:1px solid #e0e4ed;background:rgba(255,255,255,.78);border-radius:999px;padding:8px 10px;font-size:11px;font-weight:730;cursor:pointer}.v21-chip:hover{border-color:#bfc8ff;background:#f3f5ff;color:#4438db}
.v21-visual{position:relative;min-height:510px}.v21-product{position:absolute;inset:20px 0 0 20px;background:#fff;border:1px solid #e2e6ef;border-radius:30px;box-shadow:0 35px 90px rgba(32,40,80,.13);overflow:hidden}.v21-product-bar{height:54px;border-bottom:1px solid #edf0f5;display:flex;align-items:center;gap:6px;padding:0 18px}.v21-dot{width:8px;height:8px;border-radius:50%;background:#dde2ec}.v21-dot:nth-child(1){background:#ff8ba8}.v21-dot:nth-child(2){background:#ffd55d}.v21-dot:nth-child(3){background:#71e9b5}.v21-product-body{display:grid;grid-template-columns:150px 1fr;min-height:410px}.v21-mini-nav{background:#f8f9fc;border-right:1px solid #edf0f5;padding:16px}.v21-mini-brand{font-size:11px;font-weight:900;margin-bottom:18px}.v21-mini-item{padding:9px;border-radius:10px;font-size:10px;margin:5px 0;color:#647087}.v21-mini-item.active{background:#ecebff;color:#4639df;font-weight:850}.v21-preview{padding:20px}.v21-preview-top{display:flex;justify-content:space-between;align-items:center}.v21-preview-top h3{font-size:20px;margin:0}.v21-avatar{width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,#b9f74a,#15c7c8)}.v21-progress-ring{width:110px;height:110px;border-radius:50%;background:conic-gradient(var(--v21-indigo) 0 68%,#edf0f6 68%);display:grid;place-items:center;margin:22px auto;box-shadow:inset 0 0 0 11px #fff}.v21-progress-ring b{font-size:21px}.v21-preview-cards{display:grid;grid-template-columns:1fr 1fr;gap:10px}.v21-preview-card{border:1px solid #e8ebf2;border-radius:16px;padding:12px;background:#fff}.v21-preview-card b{font-size:11px;display:block}.v21-preview-card span{font-size:10px;color:#7b8495}.v21-coach-pop{position:absolute;right:-18px;bottom:36px;width:230px;background:#14192a;color:#fff;border-radius:20px;padding:15px;box-shadow:0 20px 60px rgba(20,25,42,.25);animation:v21float 5s ease-in-out infinite}.v21-coach-pop small{color:#adb9d3}.v21-coach-pop b{display:block;margin:4px 0}.v21-coach-pop .pulse{display:inline-block;width:8px;height:8px;background:var(--v21-lime);border-radius:50%;margin-right:5px}
@keyframes v21float{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
.v21-proof{padding:18px 0 58px;background:#f8f9fd}.v21-proof-row{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.v21-proof-card{background:#fff;border:1px solid #e6e9f1;border-radius:18px;padding:17px}.v21-proof-card strong{display:block;font-size:22px}.v21-proof-card span{font-size:11px;color:#747d90}
.v21-section{padding:78px 0}.v21-section.alt{background:#fff}.v21-title{font-size:clamp(34px,4vw,56px);letter-spacing:-.045em;margin:8px 0 14px}.v21-sub{font-size:16px;color:#687085;max-width:720px;line-height:1.6}
.v21-journey{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:30px}.v21-journey article{background:#fff;border:1px solid #e6e9f1;border-radius:24px;padding:23px;position:relative;overflow:hidden}.v21-journey article:before{content:"";position:absolute;width:80px;height:80px;border-radius:50%;right:-20px;top:-20px;background:rgba(90,75,255,.06)}.v21-journey .num{font-size:11px;font-weight:900;color:#fff;background:#171c2f;border-radius:999px;padding:6px 9px;display:inline-block}.v21-journey h3{font-size:21px;margin:16px 0 8px}.v21-journey p{font-size:13px;color:#6e7789}
.v21-ai-panel{background:#101525;border-radius:30px;padding:32px;color:#fff;display:grid;grid-template-columns:.8fr 1.2fr;gap:24px;align-items:center;box-shadow:0 28px 80px rgba(16,21,37,.18)}.v21-ai-panel p{color:#bfc9dc}.v21-ai-chat{background:#fff;color:#1a2135;border-radius:20px;padding:18px}.v21-ai-msg{padding:12px 13px;border-radius:14px;margin:8px 0;font-size:12px;line-height:1.5}.v21-ai-msg.user{background:#f0f2ff;margin-left:20%}.v21-ai-msg.ai{background:#eefaf7;margin-right:8%}.v21-ai-input{border:1px solid #e5e8f0;border-radius:12px;padding:10px;font-size:11px;color:#7a8393;margin-top:8px}
.v21-final{background:linear-gradient(135deg,#5a4bff,#2474ff);border-radius:32px;color:#fff;padding:36px;display:flex;justify-content:space-between;align-items:center;gap:24px}.v21-final p{color:#e6e8ff}.v21-final .btn{background:#fff!important;color:#382fd0!important}
.v18-footer{background:#fff!important;border-top:1px solid #e7e9f0!important;color:#31394c!important}
.ai-fab{background:#151a2b!important;box-shadow:0 12px 34px rgba(15,21,38,.22)!important}
@media(max-width:980px){.v21-hero-grid,.v21-ai-panel{grid-template-columns:1fr}.v21-visual{min-height:470px}.v21-journey{grid-template-columns:1fr}.v21-proof-row{grid-template-columns:1fr 1fr}}
@media(max-width:620px){.v21-hero{padding-top:40px}.v21-goalbox{display:block}.v21-goalbox button{width:100%;padding:13px}.v21-visual{min-height:420px}.v21-product{inset:10px 0}.v21-product-body{grid-template-columns:1fr}.v21-mini-nav{display:none}.v21-coach-pop{right:10px;width:210px}.v21-proof-row{grid-template-columns:1fr 1fr}.v21-final{display:block}.v18-top .nav{display:none}}
/* V21 admin / database wizard */
.db-wizard{display:grid;grid-template-columns:220px 1fr;gap:18px}.db-steps{background:#101626;color:#fff;border-radius:22px;padding:18px;height:max-content}.db-step{display:grid;grid-template-columns:32px 1fr;gap:10px;padding:11px 0;border-bottom:1px solid rgba(255,255,255,.08)}.db-step:last-child{border-bottom:0}.db-step i{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:#252f4c;font-style:normal;font-size:11px}.db-step.active i{background:#b9f74a;color:#172014}.db-step b{font-size:12px}.db-step span{font-size:10px;color:#a9b4cc}.db-guide-card{background:#fff;border:1px solid #e5e8ef;border-radius:24px;padding:24px}.db-known{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:18px 0}.db-known article{background:#f7f8fb;border:1px solid #e6e9f0;border-radius:15px;padding:13px}.db-known small{display:block;color:#778094}.db-known code{font-size:14px;font-weight:800;color:#282e46}.db-password{border:2px solid #d9dded!important;background:#fff!important}.db-action{display:flex;gap:10px;align-items:center;margin-top:16px}.db-help{background:#f0f7ff;border:1px solid #d8e9ff;border-radius:14px;padding:13px;font-size:12px;line-height:1.55}.db-help strong{display:block}.db-result{border-radius:14px;padding:13px;margin:12px 0}.db-result.ok{background:#eafaf4;color:#146348}.db-result.bad{background:#fff0f1;color:#9a2634}
@media(max-width:850px){.db-wizard{grid-template-columns:1fr}.db-known{grid-template-columns:1fr}}

/* Global public visual refresh: V21 family, not V18/V20 card language */
.section,.v15-course-shell,.ai-page,.profile-page,.signup-page{background:var(--v21-bg)}
.sectionhead h1,.sectionhead h2,.v15-course-head h1{letter-spacing:-.045em;color:#15192a}
.gold-grid{gap:14px!important}
.gold-card{border:1px solid #e5e8ef!important;border-radius:20px!important;background:#fff!important;box-shadow:none!important;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.gold-card:hover{transform:translateY(-4px);box-shadow:0 18px 48px rgba(37,45,84,.09)!important;border-color:#d7dcf0!important}
.gold-card .btn.secondary,.btn.secondary{border-color:#dfe3ed!important;background:#fff!important;color:#20263a!important}.gold-card .btn.secondary:hover,.btn.secondary:hover{border-color:#aeb9ff!important;color:#4438db!important}
.btn.primary{background:linear-gradient(135deg,var(--v21-indigo),var(--v21-blue))!important;border:0!important;box-shadow:none!important}
.kicker{color:#5547ee!important;font-weight:850!important;letter-spacing:.09em!important}
.status-pill,.tag{border-radius:999px!important}
.v15-course-head{background:#fff!important;border:1px solid #e5e8ef!important;border-radius:24px!important;padding:26px!important;box-shadow:none!important}
.v18-dashboard-hero{background:#fff!important;color:#15192a!important;border:1px solid #e5e8ef!important;box-shadow:none!important}.v18-dashboard-hero p{color:#687085!important}.student-kpi{background:#f6f7fb!important;border-color:#e7eaf1!important;color:#15192a!important}.student-kpi span{color:#6e778b!important}
.student-tool{border-radius:18px!important;transition:.2s}.student-tool:hover{transform:translateY(-3px);box-shadow:0 15px 40px rgba(31,39,78,.08)}
.coach-profile-card{background:#101626!important}.coach-main,.coach-aside,.profile-form{box-shadow:none!important;border-color:#e4e8ef!important}.coach-welcome{background:#f1f4ff!important}.coach-action{transition:.2s}.coach-action:hover{transform:translateY(-2px)}
.signup-story,.profile-intro{background:#101626!important}.signup-shell{box-shadow:0 22px 70px rgba(32,39,80,.08)!important;border-radius:24px!important}
.v20-user-cta{background:#171c2e!important;color:#fff!important}