:root{
  --primary:#4A82D3;
  --secondary:#46C1DB;
  --primary-dark:#2c5fb0;
  --text:#223041;
  --text-soft:#5f7288;
  --line:#dbe7f1;
  --surface:#ffffff;
  --surface-alt:#F5F9FC;
  --bg:#ffffff;
  --bg-app:#eef5fb;
  --shadow:0 18px 45px rgba(35,74,120,.10);
  --radius-xl:32px;
  --radius-lg:24px;
  --radius-md:18px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:Figtree,Inter,system-ui,-apple-system,sans-serif;font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
h1,h2,h3,h4,h5{font-family:Poppins,Figtree,Inter,sans-serif;font-weight:600;line-height:1.12;letter-spacing:-.03em;color:#122133;margin:0 0 .65rem}
h1{font-size:clamp(2.35rem,4.4vw,4.5rem)}h2{font-size:clamp(1.8rem,3vw,3rem)}h3{font-size:1.2rem}
p{margin:0 0 1rem;color:var(--text-soft)}
strong{font-weight:600}
.small,small{font-size:.9rem}
.muted,.help{color:var(--text-soft)!important}
.marketing-page,.marketing-main{background:#fff}
.marketing-main{max-width:1240px;margin:0 auto;padding:0 20px 70px}
.app-page{background:radial-gradient(circle at top right,rgba(70,193,219,.18),transparent 25%),linear-gradient(180deg,#f7fbff 0%, #eef5fb 100%);min-height:100vh}
.section-kicker,.eyebrow{display:inline-flex;align-items:center;gap:.5rem;padding:.38rem .8rem;border-radius:999px;background:rgba(74,130,211,.1);color:var(--primary-dark);font-size:.8rem;font-weight:600;letter-spacing:.03em;margin-bottom:1rem}
.btn{border-radius:999px;padding:.82rem 1.25rem;font-weight:600;border:1px solid transparent;box-shadow:none}
.btn-primary{background:linear-gradient(135deg,var(--secondary),var(--primary));border:none;color:#fff}
.btn-primary:hover{filter:brightness(.98);color:#fff}
.btn-outline-primary,.btn-light,.btn-soft,.btn-ghost{background:#fff;border:1px solid rgba(74,130,211,.18);color:var(--primary-dark)}
.btn-outline-primary:hover,.btn-light:hover,.btn-soft:hover,.btn-ghost:hover{background:var(--surface-alt);color:var(--primary-dark);border-color:rgba(74,130,211,.3)}
.btn-lg{padding:1rem 1.45rem}
.btn-small{padding:.55rem .9rem;font-size:.9rem}
.w-100{width:100%}
.mt-2{margin-top:.75rem}.mt-3{margin-top:1rem}.mt-4{margin-top:1.5rem}.mb-0{margin-bottom:0}.mb-1{margin-bottom:.25rem}.mb-2{margin-bottom:.5rem}.mb-3{margin-bottom:1rem}.mb-4{margin-bottom:1.5rem}.mb-5{margin-bottom:3rem}.flex-fill{flex:1}
.text-center{text-align:center}
.d-flex{display:flex}.justify-content-between{justify-content:space-between}.align-items-center{align-items:center}.align-items-end{align-items:flex-end}.gap-3{gap:1rem}.gap-2{gap:.75rem}.flex-wrap{flex-wrap:wrap}

/* brand + marketing header */
.brand{display:flex;align-items:center;gap:.8rem;font-family:Poppins,Figtree,Inter,sans-serif;font-weight:600;color:#122133}
.brand-mark{width:42px;height:42px;border-radius:14px;background:linear-gradient(135deg,var(--secondary),var(--primary));display:grid;place-items:center;color:#fff;box-shadow:0 10px 25px rgba(74,130,211,.22)}
.brand-logo-wrap{display:flex;align-items:center}.brand-logo{max-height:38px;width:auto}
.marketing-nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.86);backdrop-filter:blur(16px);border-bottom:1px solid rgba(219,231,241,.8)}
.marketing-nav-inner{max-width:1240px;margin:0 auto;padding:18px 20px;display:flex;align-items:center;justify-content:space-between;gap:1rem}
.marketing-menu{display:flex;align-items:center;gap:1.65rem;flex-wrap:wrap}
.marketing-menu a{color:#4e6075;font-weight:500}
.marketing-menu a:hover{color:var(--primary-dark)}
.marketing-actions{display:flex;align-items:center;gap:.75rem}
.btn-nav-primary{background:linear-gradient(135deg,var(--secondary),var(--primary));color:#fff;border:none;border-radius:999px;padding:.8rem 1.15rem;font-weight:600}
.btn-nav-ghost{background:#fff;border:1px solid rgba(74,130,211,.18);color:#27436c;border-radius:999px;padding:.8rem 1.1rem;font-weight:600}

/* home hero */
.home-hero{display:grid;grid-template-columns:1.03fr .97fr;align-items:center;gap:3rem;padding:56px 0 44px}
.home-hero__content p{max-width:640px;font-size:1.05rem}
.hero-cta-group{display:flex;gap:1rem;flex-wrap:wrap;margin:1.8rem 0}
.hero-mini-pills{display:flex;gap:.75rem;flex-wrap:wrap}
.hero-mini-pills span,.chip-soft,.pill{display:inline-flex;align-items:center;justify-content:center;padding:.5rem .85rem;border-radius:999px;background:var(--surface-alt);border:1px solid rgba(74,130,211,.12);font-size:.9rem;color:#3f5572}
.home-hero__visual{display:flex;justify-content:flex-end}
.visual-panel{position:relative;isolation:isolate;width:min(100%,540px);min-height:560px;border-radius:42px;padding:36px;overflow:hidden;background:linear-gradient(145deg,#46C1DB 0%, #4A82D3 68%, #5ea6f2 100%);box-shadow:var(--shadow)}
.visual-panel::before{content:"";position:absolute;inset:auto -18% -22% auto;width:78%;height:48%;background:rgba(255,255,255,.22);filter:blur(40px);border-radius:50%}
.visual-gradient{position:absolute;inset:24px 24px auto auto;width:160px;height:160px;border-radius:50%;background:rgba(255,255,255,.18);filter:blur(8px)}
.hero-device-img{position:absolute;right:55px;bottom:35px;width:min(320px,58%);filter:drop-shadow(0 28px 30px rgba(12,33,67,.16));transform:rotate(-8deg)}
.floating-card{position:absolute;left:32px;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-radius:20px;padding:16px 18px;box-shadow:0 16px 30px rgba(24,52,91,.12);max-width:220px}
.floating-card strong{display:block;color:#13253a;font-family:Poppins,Figtree,Inter,sans-serif;font-weight:600}.floating-card span{font-size:.92rem;color:#5e728a}
.floating-card--top{top:110px}.floating-card--bottom{bottom:72px}

/* sections */
.info-section{padding:56px 0}.info-section--alt{background:var(--surface-alt);padding:72px 32px;border-radius:36px;margin:14px 0}
.section-heading{max-width:860px;margin:0 auto 2rem}.section-heading p{max-width:760px;margin:0 auto;color:var(--text-soft)}
.feature-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:1.25rem;margin-top:2rem}
.feature-tile{background:#fff;border:1px solid var(--line);border-radius:28px;padding:24px;box-shadow:0 16px 35px rgba(17,42,71,.05)}
.feature-number{font-family:Poppins,Figtree,Inter,sans-serif;font-size:1.6rem;color:rgba(74,130,211,.35);margin-bottom:1rem}

.course-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1.25rem}
.course-card{background:#fff;border:1px solid var(--line);border-radius:28px;overflow:hidden;box-shadow:0 18px 35px rgba(16,33,62,.05)}
.course-thumb{position:relative;height:220px;background:linear-gradient(160deg,#e9f7fb 0%, #edf3ff 100%);display:flex;align-items:center;justify-content:center;padding:20px}
.course-thumb img{width:auto;max-height:100%;object-fit:contain}
.course-body{padding:22px}
.course-tags{display:flex;gap:.5rem;flex-wrap:wrap;margin-bottom:.8rem}
.course-title{font-size:1.35rem;font-family:Poppins,Figtree,Inter,sans-serif;font-weight:600;color:#172435}
.course-text{min-height:48px}
.course-meta{display:flex;flex-wrap:wrap;gap:.75rem 1rem;color:#66788d;font-size:.92rem;margin-bottom:1.1rem}
.course-footer-line{display:flex;align-items:flex-end;justify-content:space-between;gap:1rem;flex-wrap:wrap}
.price{font-family:Poppins,Figtree,Inter,sans-serif;font-size:1.55rem;font-weight:600;color:#11233b;margin:0}.price small{display:block;font-size:.92rem;color:#77859a;font-weight:500}
.price s{color:#97a4b6}

.pricing-table-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1.25rem}
.price-box{background:#fff;border:1px solid var(--line);border-radius:30px;padding:28px;box-shadow:0 18px 35px rgba(16,33,62,.05)}
.price-box--featured{background:linear-gradient(180deg,rgba(70,193,219,.12) 0%, rgba(74,130,211,.08) 100%);border-color:rgba(74,130,211,.25);transform:translateY(-6px)}
.price-box__label{font-size:.95rem;color:#5b7190;margin-bottom:.85rem;font-weight:600}
.price-box__price{font-family:Poppins,Figtree,Inter,sans-serif;font-size:2.2rem;font-weight:600;color:#102340;margin-bottom:.3rem}.price-box__price small{font-size:1rem}
.price-box ul{list-style:none;padding:0;margin:1.1rem 0 1.35rem;display:grid;gap:.8rem;color:#54677e}.price-box li{position:relative;padding-left:1.35rem}.price-box li:before{content:"";position:absolute;left:0;top:.55rem;width:8px;height:8px;border-radius:50%;background:linear-gradient(135deg,var(--secondary),var(--primary))}

.faq-list{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}.faq-item{background:#fff;border:1px solid var(--line);border-radius:24px;padding:22px;box-shadow:0 14px 30px rgba(16,33,62,.04)}
.contact-banner{display:flex;justify-content:space-between;align-items:center;gap:1.5rem;background:linear-gradient(140deg,#46C1DB 0%, #4A82D3 100%);border-radius:34px;color:#fff;padding:36px 38px;box-shadow:var(--shadow)}
.contact-banner h2,.contact-banner p,.contact-banner .section-kicker{color:#fff}.contact-banner .section-kicker{background:rgba(255,255,255,.18)}
.contact-actions{display:flex;gap:1rem;flex-wrap:wrap}.contact-banner .btn-outline-primary{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.35);color:#fff}.contact-banner .btn-primary{background:#fff;color:#1e4080}

.marketing-footer{max-width:1240px;margin:0 auto;padding:24px 20px 54px;display:flex;justify-content:space-between;gap:1.25rem;color:#66788d;border-top:1px solid var(--line)}
.footer-links{display:flex;gap:1.2rem;flex-wrap:wrap;align-items:center}
.brand-footer{margin-bottom:.85rem}

/* forms / catalog / course */
.catalog-layout{display:grid;grid-template-columns:290px 1fr;gap:1.5rem;padding:42px 0}
.filter-panel,.soft-card,.course-buy-card,.module-box,.card,.panel-card,.glass-card,.stat-card-admin{background:#fff;border:1px solid var(--line);border-radius:28px;box-shadow:0 16px 35px rgba(16,33,62,.04)}
.filter-panel{padding:24px;position:sticky;top:96px;align-self:start}.filter-title{font-family:Poppins,Figtree,Inter,sans-serif;font-weight:600;color:#15263b;margin-bottom:1rem}.filter-row{display:grid;gap:.45rem;margin-bottom:1rem}.filter-row label{font-weight:600;color:#425975;font-size:.95rem}
.form-control,input[type=text],input[type=email],input[type=password],input[type=search],input[type=url],input[type=number],select,textarea{width:100%;border:1px solid #d8e4ef;background:#fff;border-radius:16px;padding:.9rem 1rem;color:#1e2a38;outline:none;box-shadow:none}
textarea{min-height:120px;resize:vertical}
.form-control:focus,input:focus,select:focus,textarea:focus{border-color:rgba(74,130,211,.55);box-shadow:0 0 0 4px rgba(74,130,211,.12)}
.catalog-head{display:flex;align-items:end;justify-content:space-between;gap:1rem;flex-wrap:wrap;margin-bottom:1.4rem}.catalog-search{display:flex;align-items:center;gap:.65rem;background:#fff;border:1px solid var(--line);border-radius:18px;padding:0 1rem;min-width:min(100%,360px)}.catalog-search input{border:none;background:transparent;padding:1rem .1rem;box-shadow:none}
.course-hero{display:grid;grid-template-columns:1.2fr .8fr;gap:1.5rem;padding:42px 0}.course-hero-main{background:linear-gradient(135deg,#46C1DB 0%, #4A82D3 100%);border-radius:34px;padding:36px;color:#fff;box-shadow:var(--shadow)}.course-hero-main h1,.course-hero-main p,.course-hero-main .eyebrow{color:#fff}.course-hero-main .eyebrow{background:rgba(255,255,255,.18)}
.actions{display:flex;gap:.75rem;flex-wrap:wrap}.pill-dark{background:rgba(255,255,255,.15);border-color:rgba(255,255,255,.22);color:#fff}.include-list,.check-list,.module-lessons,.clean-list{list-style:none;padding:0;margin:0;display:grid;gap:.7rem}.include-list li,.check-list li,.clean-list li{display:flex;align-items:flex-start;gap:.65rem;color:#57697d}.module-box{padding:22px;margin-bottom:1rem}.module-lessons li{display:flex;align-items:center;gap:.6rem;color:#57697d}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:1.25rem}
.soft-card{padding:24px}

/* app shell */
.app-shell{display:grid;grid-template-columns:280px 1fr;min-height:100vh}.app-sidebar{padding:24px 18px;background:linear-gradient(180deg,#4A82D3 0%, #46C1DB 100%);color:#fff;display:flex;flex-direction:column;gap:1rem;position:sticky;top:0;height:100vh}.sidebar-brand .brand{color:#fff}.sidebar-brand .brand-mark{background:rgba(255,255,255,.18);box-shadow:none}
.sidebar-group-title{padding:0 12px;font-size:.75rem;letter-spacing:.08em;text-transform:uppercase;color:rgba(255,255,255,.7);font-weight:600}
.sidebar-nav{display:grid;gap:.4rem}.sidebar-link{display:flex;align-items:center;gap:.85rem;padding:.85rem .95rem;border-radius:16px;color:rgba(255,255,255,.9);font-weight:500}.sidebar-link:hover,.sidebar-link.active{background:rgba(255,255,255,.18);color:#fff}.sidebar-link.text-danger{color:#fff}.sidebar-spacer{flex:1}
.sidebar-profile-card{display:flex;align-items:center;gap:.8rem;padding:14px;border-radius:20px;background:rgba(255,255,255,.14);color:#fff}.sidebar-profile-card strong,.sidebar-profile-card small{display:block;color:#fff}
.avatar{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;background:#fff;color:#2e62b7;font-weight:700;font-size:.88rem;flex-shrink:0}
.app-main{display:flex;flex-direction:column;min-width:0}.topbar{padding:18px 22px;border-bottom:1px solid #dce8f1;background:rgba(255,255,255,.78);backdrop-filter:blur(10px);display:flex;align-items:center;gap:1rem;position:sticky;top:0;z-index:40}.top-title span{display:block;color:#73849a;font-size:.88rem}.top-title strong{font-family:Poppins,Figtree,Inter,sans-serif;font-weight:600;color:#16263a}
.top-search{margin-left:auto;display:flex;align-items:center;gap:.65rem;min-width:280px;max-width:440px;flex:1;background:#fff;border:1px solid var(--line);padding:0 .95rem;border-radius:18px}.top-search input{border:none;background:transparent;padding:1rem 0;box-shadow:none}
.top-actions{display:flex;align-items:center;gap:.7rem}.icon-btn{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;background:#fff;border:1px solid var(--line);color:#4a6282}.user-chip{display:flex;align-items:center;gap:.7rem;padding:.38rem .6rem .38rem .38rem;background:#fff;border:1px solid var(--line);border-radius:999px}.user-name{font-weight:600;color:#24364b}.app-content{padding:24px}
.home-layout{display:grid;grid-template-columns:1fr 320px;gap:1.25rem}.hero-banner{position:relative;overflow:hidden;background:linear-gradient(135deg,#46C1DB 0%, #4A82D3 100%);border-radius:34px;padding:32px;color:#fff;box-shadow:var(--shadow)}.hero-banner h1,.hero-banner p,.hero-banner .eyebrow{color:#fff}.hero-banner .eyebrow{background:rgba(255,255,255,.16)}.hero-spark{position:absolute;right:28px;top:22px;font-size:2rem;opacity:.55}
.quick-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}.quick-stat{background:#fff;border:1px solid var(--line);border-radius:22px;padding:18px;display:flex;gap:.8rem;align-items:center}.quick-icon{width:46px;height:46px;border-radius:16px;display:grid;place-items:center;background:linear-gradient(135deg,rgba(70,193,219,.16),rgba(74,130,211,.14));color:#2a60b3}.quick-stat small{display:block;color:#7c8ea2}.quick-stat strong{display:block;font-family:Poppins,Figtree,Inter,sans-serif;font-weight:600;color:#18293d}
.right-panel{display:grid;gap:1rem}.glass-card,.statistic-card{padding:22px}.donut{width:122px;height:122px;border-radius:50%;display:grid;place-items:center;margin:10px auto 18px;background:conic-gradient(var(--primary) 0 42%, #e8eef6 42% 100%)}.donut .avatar{width:90px;height:90px;background:#fff;color:#2e62b7}
.chart-bars{display:flex;align-items:flex-end;gap:.6rem;height:120px}.bar{flex:1;background:#dbe8f5;border-radius:10px 10px 4px 4px}.bar.active{background:linear-gradient(180deg,var(--secondary),var(--primary))}
.mentor-list{display:grid;gap:.7rem}.mentor-row{display:flex;align-items:center;gap:.8rem;padding:.65rem;border:1px solid var(--line);border-radius:18px}.mentor-row div{display:grid}.mentor-row strong{font-size:.95rem;font-weight:600;color:#1d3147}.mentor-row small{color:#76879b}
.mini-progress{height:8px;background:#e8eff6;border-radius:999px;overflow:hidden;margin-bottom:.7rem}.mini-progress span{display:block;height:100%;background:linear-gradient(135deg,var(--secondary),var(--primary))}
.menu-toggle,.sidebar-close{display:none}
.admin-overview{display:grid;gap:1.35rem}.admin-overview__header{display:flex;align-items:flex-end;justify-content:space-between;gap:1rem;flex-wrap:wrap}.admin-overview__actions{display:flex;gap:.8rem;flex-wrap:wrap}
.stats-grid-admin{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}.stat-card-admin{padding:20px;display:flex;align-items:center;gap:1rem}.stat-card-admin__icon{width:48px;height:48px;border-radius:16px;background:linear-gradient(135deg,rgba(70,193,219,.18),rgba(74,130,211,.16));display:grid;place-items:center;color:#2f63b6;font-size:1.05rem}.stat-card-admin small{display:block;color:#7c8ea2}.stat-card-admin strong{display:block;font-family:Poppins,Figtree,Inter,sans-serif;font-size:1.7rem;font-weight:600;color:#17273b}
.admin-panels-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:1rem}.panel-card{padding:24px}.quick-link-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:.85rem;margin-top:1rem}.quick-link-grid a{display:grid;place-items:center;text-align:center;gap:.55rem;padding:18px;border-radius:20px;background:var(--surface-alt);border:1px solid var(--line);color:#304660;font-weight:600}.quick-link-grid a i{font-size:1.2rem;color:#2f63b6}.clean-list li{justify-content:space-between;border-bottom:1px solid #edf2f7;padding:.65rem 0}.clean-list li:last-child{border-bottom:none}
.admin-nav{display:flex;gap:.75rem;flex-wrap:wrap;margin:1rem 0 1.25rem}
.card,.soft-card,.panel-card,.glass-card,.filter-panel,.course-buy-card,.module-box,.faq-item,.feature-tile,.price-box,.course-card,.quick-stat,.stat-card-admin{transition:transform .18s ease, box-shadow .18s ease}.card:hover,.soft-card:hover,.panel-card:hover,.glass-card:hover,.filter-panel:hover,.course-buy-card:hover,.module-box:hover,.faq-item:hover,.feature-tile:hover,.price-box:hover,.course-card:hover,.quick-stat:hover,.stat-card-admin:hover{transform:translateY(-2px);box-shadow:0 18px 35px rgba(16,33,62,.07)}

.table{width:100%;background:#fff;border-collapse:separate;border-spacing:0;border:1px solid var(--line);border-radius:24px;overflow:hidden}.table th,.table td{padding:14px 16px;border-bottom:1px solid #edf2f7;text-align:left}.table thead th{background:#f9fbfd;color:#59708c;font-size:.9rem;font-weight:600}.table tbody tr:last-child td{border-bottom:none}
.app-footer{padding:0 24px 24px;color:#73849a;display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap}
.app-alert{margin:0 0 1rem;border-radius:18px;border:none}
.sidebar-backdrop{display:none}

@media (max-width: 1100px){
  .home-hero,.home-layout,.course-hero,.grid-2,.admin-panels-grid,.catalog-layout{grid-template-columns:1fr}
  .feature-strip,.course-grid,.pricing-table-grid,.faq-list,.stats-grid-admin{grid-template-columns:repeat(2,1fr)}
  .app-shell{grid-template-columns:1fr}.app-sidebar{position:fixed;left:0;top:0;transform:translateX(-100%);transition:transform .25s ease;z-index:60;max-width:280px;width:100%}.app-shell.sidebar-open .app-sidebar{transform:translateX(0)}.sidebar-backdrop{position:fixed;inset:0;background:rgba(10,25,48,.35);z-index:55}.app-shell.sidebar-open .sidebar-backdrop{display:block}.menu-toggle,.sidebar-close{display:inline-grid;place-items:center;width:42px;height:42px;border:none;border-radius:14px;background:#fff;color:#325b9a}.top-search{order:3;min-width:100%}.right-panel{grid-template-columns:repeat(2,1fr)}
}
@media (max-width: 740px){
  .marketing-nav-inner{flex-wrap:wrap}.marketing-menu{order:3;width:100%;justify-content:center;gap:1rem}.marketing-actions{margin-left:auto}
  .home-hero{padding:34px 0 20px}.visual-panel{min-height:420px;padding:20px}.hero-device-img{width:52%;right:22px;bottom:24px}.floating-card{left:18px;max-width:170px;padding:12px 14px}.floating-card--top{top:72px}.floating-card--bottom{bottom:34px}
  .feature-strip,.course-grid,.pricing-table-grid,.faq-list,.stats-grid-admin,.quick-stats,.right-panel,.quick-link-grid{grid-template-columns:1fr}
  .info-section--alt{padding:42px 20px;border-radius:26px}.contact-banner{padding:28px 22px}.contact-banner,.course-footer-line,.catalog-head,.contact-actions{flex-direction:column;align-items:flex-start}
  .app-content{padding:18px}.topbar{padding:14px 16px}.user-name{display:none}.top-title strong{font-size:1rem}
}

/* V6 refinements */
.container,.container-fluid{width:min(100%,1180px);margin:0 auto}.container-fluid{width:100%}.section{padding:28px 0}.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:1rem;flex-wrap:wrap;margin-bottom:1.4rem}.admin-page-head h1,.section-head h1{font-size:clamp(2rem,3.2vw,3.7rem)}
.grid{display:grid;gap:1.1rem}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.form-grid{display:grid;gap:1rem}.form-grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}
.card{background:#fff;border:1px solid var(--line);border-radius:28px;box-shadow:0 16px 35px rgba(16,33,62,.04)}.card-body{padding:24px}.table-card{background:#fff;border:1px solid var(--line);border-radius:28px;box-shadow:0 16px 35px rgba(16,33,62,.04);overflow:auto;padding:0}.table-card .table{border:none;border-radius:0;margin:0}
.form-card,.auth-card{background:#fff;border:1px solid var(--line);border-radius:34px;box-shadow:0 22px 55px rgba(16,33,62,.08)}.form-group{display:grid;gap:.45rem;margin-bottom:1rem}.form-group label{font-weight:600;color:#30445c;font-size:.95rem}.form-group .help{margin:.25rem 0 0}.form-group input,.form-group select,.form-group textarea{display:block;width:100%}input[type="checkbox"],input[type="radio"]{width:auto!important;accent-color:var(--primary)}
.check-row{display:flex;align-items:center;gap:.65rem;color:#465c76}.check-row input{width:auto}.panel-title-row{display:flex;align-items:flex-start;justify-content:space-between;gap:1rem;flex-wrap:wrap}.panel-title-row p,.settings-panel p{margin-bottom:1rem}
.btn-danger{background:#e93656;color:#fff;border:none}.btn-danger:hover{background:#d62d4c;color:#fff}.alert,.app-alert{padding:1rem 1.15rem;border-radius:20px;margin-bottom:1rem}.alert-success{background:#d8f2e5;color:#145c37}.alert-error,.alert-danger{background:#ffe2e6;color:#9d1d33}.alert-info{background:#e7f3ff;color:#224a7b}
.auth-section{min-height:calc(100vh - 210px);display:grid;place-items:center;padding:58px 0}.auth-card{width:min(100%,940px);display:grid;grid-template-columns:1fr .9fr;gap:1.25rem;padding:18px;background:linear-gradient(135deg,#fff 0%,#fff 55%,#eef9fc 100%)}.auth-card--register{grid-template-columns:.9fr 1fr}.auth-copy{border-radius:28px;padding:36px;background:linear-gradient(135deg,rgba(70,193,219,.15),rgba(74,130,211,.12))}.auth-copy h1{font-size:clamp(2rem,3.5vw,3.4rem)}.auth-form{padding:28px;align-self:center}.auth-form .btn{margin-top:.25rem}
.campaign-fullbleed{width:100vw;margin-left:calc(50% - 50vw);padding:16px 20px 42px}.campaign-banner{max-width:1240px;min-height:270px;margin:0 auto;border-radius:36px;background:linear-gradient(135deg,#46C1DB 0%,#4A82D3 100%);background-size:cover;background-position:center;display:flex;align-items:center;overflow:hidden;box-shadow:0 28px 60px rgba(42,98,176,.18)}.campaign-content{padding:42px;color:#fff;max-width:650px}.campaign-content h2,.campaign-content p,.campaign-content .section-kicker{color:#fff}.campaign-content .section-kicker{background:rgba(255,255,255,.18)}.campaign-content p{font-size:1.05rem}.campaign-content .btn-light{color:#224f9a;border:none}
.settings-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.25rem}.settings-panel--wide,.settings-actions{grid-column:1/-1}.settings-actions{display:flex;gap:.9rem;justify-content:flex-end;align-items:center}.logo-preview-card,.banner-preview-card{border:1px solid var(--line);border-radius:22px;background:var(--surface-alt);padding:16px;overflow:hidden}.logo-preview-card img{max-height:70px;width:auto}.logo-preview-label{display:block;color:#6c7d91;font-weight:600;margin-bottom:.7rem}.banner-preview-card img{width:100%;max-height:260px;object-fit:cover;border-radius:16px}.logo-empty-state{display:flex;align-items:center;gap:.9rem;padding:16px;border:1px dashed #cbdbe9;border-radius:22px;background:#fbfdff}.logo-empty-state strong,.logo-empty-state small{display:block}.logo-empty-state small{color:#718399}
.admin-course-picker-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem}.course-picker-card{display:flex;flex-direction:column;justify-content:space-between;gap:1rem;min-height:250px}.course-picker-card h2{font-size:1.35rem;margin-top:1rem}
.course-form-card .card-body{padding:28px}.course-form-card .form-group{margin-bottom:1.05rem}.lesson-content-preview{border:1px solid var(--line);border-radius:24px;background:#fff;padding:20px}.module-actions{display:flex;gap:.75rem;flex-wrap:wrap}.inline-form{display:inline-flex;gap:.65rem;align-items:center;flex-wrap:wrap}.quiz-question-card{border:1px solid var(--line);border-radius:22px;padding:16px;margin-top:1rem;background:#fff}.quiz-option{display:flex;gap:.75rem;align-items:flex-start;padding:.8rem;border:1px solid var(--line);border-radius:16px;margin:.6rem 0;background:#fbfdff}.quiz-option input{margin-top:.3rem}.empty-state{background:#fff;border:1px solid var(--line);border-radius:28px;padding:28px;text-align:center;box-shadow:0 16px 35px rgba(16,33,62,.04)}
.course-hero .actions form{display:inline-flex}.course-buy-card{padding:24px}.course-buy-card .include-list{margin:1rem 0}.module-list{display:grid;gap:1rem}
.marketing-menu a.active,.marketing-menu a:hover{color:var(--primary-dark)}.topbar .btn{white-space:nowrap}.top-actions{flex-shrink:0}
@media (max-width: 1100px){.settings-grid,.auth-card{grid-template-columns:1fr}.admin-course-picker-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width: 740px){.grid-2,.grid-3,.grid-4,.form-grid.two,.settings-grid,.admin-course-picker-grid{grid-template-columns:1fr}.auth-section{padding:28px 0}.auth-form,.auth-copy{padding:22px}.campaign-content{padding:28px}.campaign-banner{border-radius:26px}.settings-actions{justify-content:stretch;flex-direction:column}.settings-actions .btn{width:100%}}

/* V6.1 lesson page redesign */
.lesson-page{display:grid;gap:1.35rem}
.lesson-hero-card{display:grid;grid-template-columns:1.15fr .85fr;gap:1.2rem;align-items:stretch}
.lesson-hero-card__content,.lesson-status-card,.lesson-sidebar-card,.lesson-media-card,.lesson-text-card,.lesson-support-card,.lesson-nav-card{background:#fff;border:1px solid var(--line);border-radius:30px;box-shadow:0 16px 35px rgba(16,33,62,.04)}
.lesson-hero-card__content{padding:30px;background:linear-gradient(135deg,rgba(70,193,219,.16),rgba(74,130,211,.10))}
.lesson-hero-card__content p{max-width:780px}
.lesson-hero-meta{display:flex;flex-wrap:wrap;gap:.7rem;margin-top:1.15rem}
.lesson-status-card{padding:24px;display:grid;gap:1rem;height:100%}
.lesson-status-card__top{display:flex;align-items:flex-end;justify-content:space-between;gap:1rem}.lesson-status-card__top span{color:#65788f;font-weight:600}.lesson-status-card__top strong{font-family:Poppins,Figtree,Inter,sans-serif;font-size:2rem;line-height:1;color:#17304d;font-weight:600}
.progress{height:10px;background:#e8f0f8;border-radius:999px;overflow:hidden}.progress span{display:block;height:100%;background:linear-gradient(135deg,var(--secondary),var(--primary));border-radius:999px}.progress-lg{height:12px}
.lesson-status-actions{display:flex;gap:.75rem;flex-wrap:wrap;margin-top:auto}
.lesson-page-grid{display:grid;grid-template-columns:minmax(0,1.28fr) 360px;gap:1.25rem;align-items:start}
.lesson-main{display:grid;gap:1.2rem;min-width:0}
.lesson-media-card{padding:24px}
.lesson-media-card__head{display:flex;align-items:flex-start;justify-content:space-between;gap:1rem;flex-wrap:wrap;margin-bottom:1rem}
.lesson-video-wrap{position:relative;border-radius:26px;overflow:hidden;background:linear-gradient(135deg,#eaf7fb,#edf4ff);min-height:420px;border:1px solid #deebf4}
.video-frame{width:100%;height:100%;min-height:420px;border:0;background:#f4f8fc;display:block}
.video-placeholder-state{position:relative;min-height:420px;display:grid;place-items:center;background:linear-gradient(140deg,#eff8fb 0%,#eef3ff 100%)}
.video-placeholder-state img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:saturate(.98)}
.video-placeholder-state__overlay{position:relative;z-index:2;max-width:500px;margin:20px;padding:28px;border-radius:24px;background:rgba(255,255,255,.88);backdrop-filter:blur(8px);text-align:center;box-shadow:0 20px 45px rgba(18,48,84,.12)}
.video-placeholder-state__overlay h3{margin-bottom:.55rem}.video-placeholder-state__overlay p{margin:0}.play-badge{width:74px;height:74px;margin:0 auto 1rem;display:grid;place-items:center;border-radius:50%;background:linear-gradient(135deg,var(--secondary),var(--primary));color:#fff;font-size:2rem;box-shadow:0 16px 35px rgba(61,127,211,.22)}
.lesson-detail-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:1.2rem;align-items:start}
.lesson-text-card .card-body,.lesson-support-card .card-body,.lesson-nav-card .card-body{padding:24px}
.lesson-content{color:#495f78}.lesson-content p:last-child{margin-bottom:0}.lesson-content ul{padding-left:1.1rem;color:#4b6078}
.lesson-resource-list strong{font-size:.96rem;color:#1e3350;font-weight:600}
.lesson-support-actions{display:grid;gap:.75rem;margin-top:1rem}.empty-inline-note{display:flex;gap:.7rem;align-items:flex-start;padding:14px 16px;border-radius:18px;background:#f8fbfe;border:1px dashed #cfddea;color:#62768e}
.lesson-nav-card__body{display:grid;grid-template-columns:1fr 1fr;gap:1rem}.lesson-nav-card__item{padding:6px 0}.lesson-nav-card__item span{display:block;font-size:.85rem;font-weight:600;color:#74859a;margin-bottom:.45rem}.lesson-nav-card__item a,.lesson-nav-card__item strong{font-size:1rem;color:#17304d;font-weight:600}
.lesson-nav-card__item--next{text-align:right}
.lesson-sidebar-card{padding:22px;position:sticky;top:95px}
.lesson-sidebar-card__head p{margin-bottom:0}
.curriculum-list{display:grid;gap:1rem;margin-top:1rem}
.curriculum-module{padding:16px;border:1px solid #e6eef5;border-radius:22px;background:#fbfdff}
.curriculum-module__title{font-family:Poppins,Figtree,Inter,sans-serif;font-size:1.02rem;font-weight:600;color:#1c314b;margin-bottom:.25rem}.curriculum-module__desc{font-size:.9rem;margin-bottom:.8rem}
.lesson-list-modern{list-style:none;padding:0;margin:0;display:grid;gap:.55rem}
.lesson-list-modern li a{display:flex;align-items:center;gap:.75rem;padding:.8rem .85rem;border-radius:18px;border:1px solid transparent;background:#fff;color:#36506c;transition:all .18s ease}
.lesson-list-modern li a:hover{background:#f7fbff;border-color:#d8e7f3}
.lesson-list-modern li a.active{background:linear-gradient(135deg,rgba(70,193,219,.12),rgba(74,130,211,.10));border-color:rgba(74,130,211,.2);color:#17304d}
.lesson-list-modern__icon{width:34px;height:34px;border-radius:12px;display:grid;place-items:center;background:#eef5fb;color:#3464b6;flex-shrink:0}
.lesson-list-modern__text{display:grid;gap:.15rem;min-width:0}.lesson-list-modern__text strong{font-size:.95rem;font-weight:600;color:#1f3450;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.lesson-list-modern__text small{color:#73859a}
.lesson-active-pill{margin-left:auto;padding:.28rem .55rem;border-radius:999px;background:#fff;color:#2f62b3;border:1px solid rgba(74,130,211,.16);font-size:.78rem;font-weight:600}
.pill-success{background:rgba(54,190,113,.09)!important;border-color:rgba(54,190,113,.18)!important;color:#1f9256!important}

@media (max-width: 1100px){
  .lesson-hero-card,.lesson-page-grid,.lesson-detail-grid{grid-template-columns:1fr}
  .lesson-sidebar-card{position:static}
}
@media (max-width: 740px){
  .lesson-hero-card__content,.lesson-status-card,.lesson-media-card,.lesson-sidebar-card{padding:20px}
  .lesson-video-wrap,.video-frame,.video-placeholder-state{min-height:280px}
  .video-placeholder-state__overlay{padding:20px}
  .lesson-nav-card__body{grid-template-columns:1fr}.lesson-nav-card__item--next{text-align:left}
}


/* V7 Flat Learning UI — front + backend unified */
:root{
  --primary:#5D73E6;
  --secondary:#6F84F7;
  --primary-dark:#232B54;
  --text:#202947;
  --text-soft:#667096;
  --line:#DDE4FF;
  --surface:#FFFFFF;
  --surface-alt:#F5F7FF;
  --bg:#FFFFFF;
  --bg-app:#EEF3FF;
  --shadow:none;
  --radius-xl:24px;
  --radius-lg:20px;
  --radius-md:14px;
}

body{background:#fff;color:var(--text)}
h1,h2,h3,h4,h5{color:var(--text);font-weight:600;letter-spacing:-.035em}
p{color:var(--text-soft)}

.section-kicker,.eyebrow{
  background:#EEF1FF;
  color:#4158C9;
  border:0;
  border-radius:12px;
  padding:.45rem .75rem;
}

.btn{border-radius:14px;box-shadow:none!important}
.btn-primary,.btn-nav-primary{
  background:#5D73E6!important;
  border-color:#5D73E6!important;
  color:#fff!important;
  box-shadow:none!important;
}
.btn-primary:hover,.btn-nav-primary:hover{background:#4F64D5!important;border-color:#4F64D5!important}
.btn-light,.btn-soft,.btn-ghost,.btn-outline-primary,.btn-nav-ghost{
  background:#fff!important;
  border:1px solid #DDE4FF!important;
  color:#2A376D!important;
  box-shadow:none!important;
}
.btn-light:hover,.btn-soft:hover,.btn-ghost:hover,.btn-outline-primary:hover,.btn-nav-ghost:hover{background:#EEF1FF!important;color:#22305F!important}

.brand-mark{background:#5D73E6!important;border-radius:14px;box-shadow:none!important}
.marketing-nav{background:#fff;border-bottom:1px solid #E6EBFF;backdrop-filter:none}
.marketing-nav-inner{padding-top:18px;padding-bottom:18px}
.marketing-menu a{color:#364166}
.marketing-menu a:hover{color:#5D73E6}
.marketing-main{max-width:1240px}

/* Flat home */
.home-hero--flat{grid-template-columns:.95fr 1.05fr;min-height:650px;padding:56px 0 64px;gap:42px}
.flat-hero-left{display:flex;flex-direction:column;justify-content:center}
.flat-hero-left h1{max-width:620px;font-size:clamp(2.6rem,5.3vw,5.7rem);line-height:.96;margin-bottom:1.2rem}
.flat-hero-left p{max-width:540px;font-size:1.05rem}
.flat-palette{display:flex;gap:16px;margin-top:28px}
.flat-palette span{width:48px;height:48px;border-radius:12px;border:1px solid rgba(35,43,84,.08)}

.flat-hero-art{
  min-height:620px;
  background:#5D73E6;
  border-radius:26px;
  position:relative;
  overflow:hidden;
  padding:34px;
  display:flex;
  flex-direction:column;
  justify-content:space-between;
}
.flat-hero-art::before{content:"";position:absolute;width:520px;height:520px;border-radius:50%;right:-190px;top:125px;background:rgba(35,43,84,.28)}
.flat-hero-art::after{content:"";position:absolute;width:170px;height:170px;border-radius:50%;right:36px;top:34px;background:rgba(255,255,255,.11)}
.flat-art-top{position:relative;z-index:2;display:flex;justify-content:space-between;align-items:center;color:#fff;gap:16px}
.flat-art-brand{display:flex;align-items:center;gap:10px}
.brand-dot{width:22px;height:22px;border-radius:7px;background:#fff;display:inline-block}
.flat-art-pill{background:#fff;color:#4E61CF;padding:.45rem .75rem;border-radius:12px;font-weight:600;font-size:.86rem}

.flat-dashboard-mock{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:110px 1fr;
  gap:16px;
  background:#202A58;
  border-radius:18px;
  padding:16px;
  margin:80px 0 0;
  min-height:285px;
}
.flat-dashboard-mock aside{background:#2F3D87;border-radius:16px;padding:20px 14px;display:grid;align-content:start;gap:16px}
.flat-dashboard-mock aside span{height:12px;border-radius:99px;background:rgba(255,255,255,.72)}
.flat-dashboard-mock aside span:first-child{height:38px;width:38px;border-radius:13px}
.flat-dashboard-mock main{background:#fff;border-radius:16px;padding:18px;min-width:0}
.mock-search{height:38px;border-radius:12px;background:#F0F3FF;margin-bottom:16px}
.mock-tabs{display:flex;gap:10px;margin-bottom:16px}
.mock-tabs span{flex:1;height:30px;border-radius:10px;background:#E3E8FF}
.mock-tabs span:first-child{background:#5D73E6}
.mock-table{display:grid;grid-template-columns:1.2fr .8fr .8fr .8fr;gap:10px}
.mock-table div{height:23px;border-radius:7px;background:#F0F3FF}
.mock-table div:nth-child(4n+1){background:#DDE4FF}
.flat-art-copy{position:relative;z-index:2;width:74%;align-self:flex-end;color:#fff;text-align:left;margin-top:42px}
.flat-art-copy h2{color:#fff;font-size:clamp(1.8rem,3vw,3rem)}
.flat-art-copy p{color:rgba(255,255,255,.82)}

/* Flat sections/cards */
.info-section--alt,.campaign-fullbleed,.app-content{background:var(--surface-alt)}
.info-section--alt{box-shadow:none}
.feature-tile,.course-card,.price-box,.faq-item,.contact-banner,.filter-panel,.soft-card,.course-buy-card,.module-box,.card,.panel-card,.glass-card,.stat-card-admin,.lesson-hero-card__content,.lesson-status-card,.lesson-sidebar-card,.lesson-media-card,.lesson-text-card,.lesson-support-card,.lesson-nav-card,.form-card,.auth-card,.table-card,.empty-state{
  box-shadow:none!important;
  border:1px solid #DDE4FF!important;
}
.feature-tile:hover,.course-card:hover,.price-box:hover,.faq-item:hover,.filter-panel:hover,.soft-card:hover,.course-buy-card:hover,.module-box:hover,.card:hover,.panel-card:hover,.glass-card:hover,.stat-card-admin:hover,.quick-stat:hover{
  transform:none!important;
  box-shadow:none!important;
}
.course-thumb{background:#EEF1FF!important}
.price-box--featured{background:#EAF0FF!important;border-color:#BFCBFF!important;transform:none!important}
.price-box li:before{background:#5D73E6!important}
.contact-banner,.campaign-banner,.course-hero-main,.hero-banner{background:#5D73E6!important;border-radius:26px;box-shadow:none!important}

/* App/backend flat */
.app-page,.app-shell{background:#EEF3FF}
.app-sidebar{background:#5D73E6!important;color:#fff}
.sidebar-link{border-radius:14px}
.sidebar-link:hover,.sidebar-link.active{background:rgba(255,255,255,.18)!important}
.sidebar-profile-card{background:rgba(255,255,255,.16);border-radius:18px}
.avatar{color:#5D73E6}
.topbar{background:#fff!important;border-bottom:1px solid #DDE4FF;backdrop-filter:none}
.top-search,.icon-btn,.user-chip{border:1px solid #DDE4FF!important;box-shadow:none!important}
.quick-stat,.stat-card-admin{box-shadow:none!important;border:1px solid #DDE4FF!important}
.quick-icon,.stat-card-admin__icon{background:#EEF1FF!important;color:#5D73E6!important}
.chart-bars .bar.active,.bar.active,.progress span,.mini-progress span{background:#5D73E6!important}

/* Flat lesson page */
.lesson-hero-card__content{background:#fff!important}
.lesson-status-card__top strong{color:#5D73E6}
.lesson-video-wrap{background:#EEF1FF!important;border-color:#DDE4FF!important;border-radius:22px}
.video-placeholder-state{background:#EEF1FF!important}
.video-placeholder-state__overlay{box-shadow:none!important;border:1px solid #DDE4FF}
.play-badge{background:#5D73E6!important;box-shadow:none!important}
.curriculum-module{background:#F8FAFF!important;border-color:#DDE4FF!important}
.lesson-list-modern li a.active{background:#EEF1FF!important;border-color:#C9D4FF!important}
.lesson-list-modern__icon{background:#EEF1FF!important;color:#5D73E6!important}
.lesson-active-pill{color:#5D73E6!important;border-color:#C9D4FF!important}
.pill-success{background:rgba(54,190,113,.09)!important;border-color:rgba(54,190,113,.18)!important;color:#1f9256!important}

/* Forms */
.form-control,input[type=text],input[type=email],input[type=password],input[type=search],input[type=url],input[type=number],select,textarea{
  border-color:#DDE4FF!important;
  background:#fff!important;
  border-radius:14px!important;
}
.form-control:focus,input:focus,select:focus,textarea:focus{
  border-color:#9CABFF!important;
  box-shadow:0 0 0 4px rgba(93,115,230,.12)!important;
}
.table{border-color:#DDE4FF!important}
.table thead th{background:#F3F6FF!important}
.auth-card{background:#fff!important}
.auth-copy{background:#EEF1FF!important}

@media (max-width:1100px){
  .home-hero--flat{grid-template-columns:1fr;min-height:auto}
  .flat-hero-art{min-height:560px}
}
@media (max-width:740px){
  .flat-hero-left h1{font-size:3rem}
  .flat-hero-art{min-height:520px;padding:22px}
  .flat-dashboard-mock{grid-template-columns:74px 1fr;min-height:250px;margin-top:52px}
  .flat-art-copy{width:100%}
  .mock-table{grid-template-columns:1fr 1fr}
}


/* V7.1 Mounjaro right hero image */
.flat-hero-art--image{
  background:transparent!important;
  padding:0!important;
  min-height:620px;
  border-radius:26px;
  overflow:hidden;
  display:flex;
  align-items:center;
  justify-content:center;
  border:0!important;
}
.flat-hero-art--image::before,
.flat-hero-art--image::after{
  display:none!important;
}
.hero-right-image{
  width:100%;
  height:100%;
  min-height:620px;
  object-fit:cover;
  object-position:center;
  border-radius:26px;
  display:block;
}
.banner-preview-card img[alt="Imagen hero actual"]{
  max-height:360px;
  object-fit:cover;
  object-position:center;
}
@media (max-width:1100px){
  .flat-hero-art--image{min-height:auto}
  .hero-right-image{height:auto;min-height:0}
}


/* V7.2 frontend hero replacement fix */
.flat-hero-art--image{
  background:transparent!important;
  padding:0!important;
  min-height:620px;
  border-radius:26px;
  overflow:hidden;
  display:flex;
  align-items:center;
  justify-content:center;
  border:0!important;
}
.flat-hero-art--image::before,
.flat-hero-art--image::after{
  display:none!important;
}
.hero-right-image{
  width:100%;
  height:100%;
  min-height:620px;
  object-fit:cover;
  object-position:center;
  border-radius:26px;
  display:block;
}
@media (max-width:1100px){
  .flat-hero-art--image{min-height:auto}
  .hero-right-image{height:auto;min-height:0}
}