:root{--cream:#fffaf6;--cream2:#f5ebe5;--wine:#7b1e2d;--wine2:#55131f;--rose:#efb8bd;--teal:#116a61;--mint:#dff0e9;--ink:#241a1b;--line:rgba(123,30,45,.12);--shadow:0 24px 65px rgba(66,36,40,.14)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--cream);color:var(--ink);font-family:Arial,Helvetica,sans-serif;font-size:16px}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}.shell{width:min(1180px,calc(100% - 40px));margin:auto}.serif{font-family:Georgia,'Times New Roman',serif}.topbar{position:relative;z-index:20;border-bottom:1px solid var(--line);background:rgba(255,250,246,.94);backdrop-filter:blur(12px)}.topbar-inner{height:80px;display:flex;align-items:center;justify-content:space-between}.brand{display:inline-flex;flex-direction:column;align-items:center;color:var(--wine);line-height:1}.brand strong{font:400 20px Georgia,serif;letter-spacing:.12em}.brand small{font-size:7px;font-weight:800;letter-spacing:.24em;margin-top:6px}.nav{display:flex;gap:28px;font-weight:700;font-size:14px;color:rgba(36,26,27,.65)}.nav a:hover{color:var(--wine)}.actions{display:flex;align-items:center;gap:10px}.btn{border:0;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 22px;font-weight:800;cursor:pointer;transition:.2s}.btn-primary{background:var(--wine);color:#fff;box-shadow:0 10px 24px rgba(123,30,45,.18)}.btn-primary:hover{background:var(--wine2);transform:translateY(-1px)}.btn-outline{background:#fff;border:1px solid var(--line);color:var(--wine)}.btn-ghost{background:transparent;color:var(--wine)}.eyebrow,.kicker{font-size:12px;line-height:1.5;font-weight:900;letter-spacing:.16em;text-transform:uppercase;color:var(--wine)}.eyebrow{display:inline-block;background:var(--cream2);padding:10px 14px;border-radius:999px}.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);padding:72px 0 96px}.hero:before{content:"";position:absolute;width:700px;height:700px;border:1px solid rgba(123,30,45,.08);border-radius:50%;right:-260px;top:-180px;box-shadow:0 0 0 70px rgba(123,30,45,.025),0 0 0 140px rgba(123,30,45,.018)}.hero-grid{position:relative;display:grid;grid-template-columns:1.08fr .92fr;gap:70px;align-items:center}.display{font:400 clamp(50px,6vw,90px)/.98 Georgia,serif;letter-spacing:-.055em;margin:26px 0 0}.display em{color:var(--wine)}.lead{font-size:20px;line-height:1.65;color:rgba(36,26,27,.65);max-width:600px}.hero-cta{display:flex;gap:12px;margin-top:30px}.ticks{display:flex;flex-wrap:wrap;gap:18px 28px;margin-top:35px;color:rgba(36,26,27,.58);font-size:14px}.ticks span:before{content:'✓';color:var(--teal);font-weight:900;margin-right:8px}.portrait-wrap{position:relative;max-width:510px;margin-left:auto}.portrait{position:relative;aspect-ratio:.88;overflow:hidden;border-radius:48% 48% 25px 25px;box-shadow:0 28px 80px rgba(71,25,31,.18)}.portrait img{width:100%;height:100%;object-fit:cover;object-position:50% 18%}.float-card{position:absolute;background:#fff;border-radius:20px;box-shadow:var(--shadow);padding:16px}.focus-card{left:-35px;top:34px}.progress-card{right:-20px;bottom:-28px;width:260px}.progress{height:8px;border-radius:999px;background:rgba(123,30,45,.12);overflow:hidden}.progress>span{display:block;height:100%;background:var(--wine);border-radius:inherit}.section{padding:105px 0}.section-title{font:400 clamp(38px,4.5vw,62px)/1.06 Georgia,serif;letter-spacing:-.04em;margin:14px 0}.muted{color:rgba(36,26,27,.58);line-height:1.7}.fit-grid,.about-grid,.system-grid,.contact-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:80px;align-items:center}.fit-list{border-top:1px solid var(--line)}.fit-item{display:grid;grid-template-columns:56px 1fr;gap:10px;padding:25px 0;border-bottom:1px solid var(--line)}.fit-item b{font-size:20px}.fit-item p{margin:5px 0 0}.num{font:italic 20px Georgia,serif;color:rgba(123,30,45,.42)}.wine-section{background:var(--wine);color:#fff}.wine-section .muted{color:rgba(255,255,255,.62)}.wine-section .kicker{color:var(--rose)}.feature-list{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:30px;color:rgba(255,255,255,.8)}.feature-list span:before{content:'✓';display:inline-grid;place-items:center;width:24px;height:24px;background:rgba(255,255,255,.1);border-radius:50%;margin-right:9px}.dash-preview{background:#fff;color:var(--ink);border-radius:30px;padding:28px;box-shadow:0 30px 80px rgba(52,9,18,.3);transform:rotate(1deg)}.dash-top{display:flex;justify-content:space-between;border-bottom:1px solid var(--line);padding-bottom:18px}.tag{display:inline-block;border-radius:999px;background:var(--mint);color:var(--teal);padding:7px 12px;font-size:12px;font-weight:800}.dash-cards{display:grid;grid-template-columns:1.3fr .7fr;gap:15px;margin-top:20px}.dash-primary{background:var(--wine);color:#fff;border-radius:22px;padding:20px}.dash-secondary{background:var(--cream2);border-radius:22px;padding:20px}.steps,.pricing,.quotes,.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:26px;overflow:hidden;margin-top:45px}.step{padding:30px;background:var(--cream);min-height:220px}.step h3{margin-top:54px}.pricing{grid-template-columns:repeat(3,1fr);gap:20px;background:transparent;border:0;overflow:visible}.price-card{border:1px solid var(--line);border-radius:26px;padding:28px;background:var(--cream)}.price-card.featured{background:var(--wine);color:#fff;box-shadow:var(--shadow)}.price{font:400 48px Georgia,serif;margin:34px 0 6px}.about-photo{position:relative;aspect-ratio:4/5;overflow:hidden;border-radius:30px}.about-photo img{width:100%;height:100%;object-fit:cover;object-position:50% 22%}.facts{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:28px}.fact{background:var(--cream2);border-radius:16px;padding:16px}.fact b{display:block;margin-top:14px}.quotes{grid-template-columns:repeat(3,1fr);gap:20px;background:transparent;border:0;overflow:visible}.quote{background:#fff;border-radius:24px;padding:27px}.quote q{display:block;font:400 24px/1.5 Georgia,serif;margin-top:24px}.demo-label{display:inline-block;background:rgba(123,30,45,.08);color:var(--wine);border-radius:999px;padding:6px 10px;font-size:11px;font-weight:900}.faq-wrap{display:grid;grid-template-columns:.7fr 1.3fr;gap:80px}.faq details{border-bottom:1px solid var(--line);padding:18px 0}.faq details:first-child{border-top:1px solid var(--line)}.faq summary{font-weight:800;cursor:pointer;list-style:none;display:flex;justify-content:space-between}.faq summary:after{content:'+';color:var(--wine)}.faq details[open] summary:after{content:'–'}.faq p{padding-right:30px}.contact-card{background:#fff;border-radius:26px;padding:30px;color:var(--ink);box-shadow:var(--shadow)}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.field{display:flex;flex-direction:column;gap:8px}.field.full{grid-column:1/-1}.field label{font-size:14px;font-weight:800}.input{width:100%;min-height:50px;border:1px solid var(--line);border-radius:13px;background:var(--cream);padding:12px 14px;outline:none}.input:focus{border-color:var(--wine);box-shadow:0 0 0 3px rgba(123,30,45,.1)}textarea.input{min-height:100px;resize:vertical}.form-status{margin-top:15px;padding:13px 15px;border-radius:12px;background:var(--mint);color:var(--teal);display:none}.form-status.error{display:block;background:#fff0f0;color:#a22}.footer{background:var(--wine2);color:rgba(255,255,255,.55);padding:30px 0}.footer-inner{display:flex;justify-content:space-between;align-items:center}.footer .brand{color:#fff}
/* app surfaces */
.app-body{background:#f7f5f2}.app-header{height:72px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center}.app-header .shell{display:flex;align-items:center;justify-content:space-between}.app-layout{width:min(1260px,100%);margin:auto;display:grid;grid-template-columns:225px 1fr;min-height:calc(100vh - 72px)}.sidebar{background:#fff;border-right:1px solid var(--line);padding:20px}.side-link{display:flex;align-items:center;gap:11px;padding:12px;border-radius:12px;font-size:14px;font-weight:800;color:rgba(36,26,27,.52);margin-bottom:3px}.side-link.active{background:var(--wine);color:#fff}.app-main{padding:38px;min-width:0}.app-title{font:400 50px Georgia,serif;letter-spacing:-.04em;margin:8px 0}.top-row{display:flex;justify-content:space-between;align-items:end;gap:20px}.card{background:#fff;border-radius:24px;padding:24px;box-shadow:0 2px 8px rgba(40,20,20,.04)}.hero-task{background:var(--wine);color:#fff;border-radius:28px;padding:30px;box-shadow:var(--shadow);min-height:285px;display:flex;flex-direction:column}.hero-task .task-bottom{display:flex;align-items:end;justify-content:space-between;margin-top:auto}.round-go{width:54px;height:54px;border-radius:50%;background:#fff;color:var(--wine);display:grid;place-items:center;font-size:24px}.student-grid{display:grid;grid-template-columns:1.35fr .65fr;gap:20px;margin-top:28px}.stat-pair{display:grid;grid-template-columns:1fr 1fr;gap:12px}.mini-stat{background:var(--cream);border-radius:16px;padding:16px}.task-list{margin-top:30px}.task-row{display:grid;grid-template-columns:auto 1fr auto auto;gap:16px;align-items:center;background:#fff;padding:17px;margin-top:10px;border-radius:18px}.task-icon{width:44px;height:44px;border-radius:12px;background:var(--cream2);color:var(--wine);display:grid;place-items:center;font-weight:900}.mobile-nav{display:none}.admin-layout{display:grid;grid-template-columns:245px 1fr;min-height:100vh}.admin-side{background:var(--wine);color:#fff;padding:26px}.admin-side .brand{color:#fff}.admin-side nav{margin-top:45px}.admin-side .side-link{color:rgba(255,255,255,.58)}.admin-side .side-link.active{background:#fff;color:var(--wine)}.admin-main{background:#f6f5f3}.admin-header{height:72px;background:#fff;border-bottom:1px solid var(--line);padding:0 36px;display:flex;align-items:center;justify-content:space-between}.admin-content{padding:38px}.stats-grid{gap:15px;background:transparent;border:0;overflow:visible;margin-top:28px}.admin-stat{background:#fff;border-radius:22px;padding:22px;box-shadow:0 2px 8px rgba(40,20,20,.04)}.admin-stat strong{display:block;font:400 40px Georgia,serif;color:var(--wine);margin-top:25px}.activity-grid{display:grid;grid-template-columns:1.3fr .7fr;gap:20px;margin-top:22px}.table-card{background:#fff;border-radius:22px;overflow:hidden;margin-top:25px}.table-row{display:grid;grid-template-columns:1.4fr .45fr .7fr .5fr auto;gap:12px;align-items:center;padding:17px 20px;border-bottom:1px solid var(--line)}.filters{display:flex;gap:12px;background:#fff;padding:15px;border-radius:18px;margin-top:25px}.modal{position:fixed;inset:0;z-index:100;background:rgba(20,10,12,.55);display:none;place-items:center;padding:20px}.modal.open{display:grid}.modal-card{background:#fff;border-radius:25px;padding:28px;width:min(680px,100%);max-height:92vh;overflow:auto}.modal-head{display:flex;justify-content:space-between;align-items:start}.close{border:0;background:var(--cream2);width:38px;height:38px;border-radius:50%;cursor:pointer}.tabs{display:flex;gap:5px;background:#fff;border-radius:14px;padding:4px;margin:18px}.tabs button{flex:1;border:0;background:transparent;border-radius:10px;padding:10px;font-weight:800}.tabs button.active{background:var(--cream2)}.tab-panel{display:none}.tab-panel.active{display:block}
/* auth + exercise */
.auth-page{min-height:100vh;display:grid;grid-template-columns:.88fr 1.12fr}.auth-art{background:var(--wine);color:#fff;padding:45px;display:flex;flex-direction:column}.auth-art .brand{color:#fff}.auth-copy{margin:auto 0;max-width:560px}.auth-copy h1{font:400 58px/1.05 Georgia,serif}.auth-form-wrap{display:grid;place-items:center;padding:35px}.auth-box{width:min(440px,100%)}.auth-box h1{font:400 50px Georgia,serif;margin:0}.demo-box{border:1px solid var(--line);background:#fff;border-radius:18px;padding:18px;margin-top:22px}.exercise-head{height:72px;background:#fff;border-bottom:1px solid var(--line)}.exercise-head-inner{width:min(950px,calc(100% - 30px));height:100%;margin:auto;display:flex;align-items:center;gap:15px}.back{width:42px;height:42px;border-radius:50%;background:var(--cream2);display:grid;place-items:center;color:var(--wine)}.exercise-wrap{width:min(760px,calc(100% - 30px));min-height:calc(100vh - 72px);margin:auto;padding:48px 0;display:flex;flex-direction:column}.exercise-title{font:400 clamp(34px,6vw,54px)/1.12 Georgia,serif}.options{display:grid;gap:12px;margin-top:32px}.option{border:1px solid var(--line);background:#fff;border-radius:17px;padding:18px;text-align:left;font-weight:800;cursor:pointer}.option.selected{background:var(--wine);color:#fff}.exercise-actions{margin-top:auto;padding-top:35px;border-top:1px solid var(--line);display:flex;justify-content:space-between}.order-zone{min-height:100px;background:#fff;border:2px dashed var(--line);border-radius:20px;padding:16px;margin-top:28px}.tokens{display:flex;flex-wrap:wrap;gap:9px;margin-top:18px}.token{border:1px solid var(--line);background:#fff;border-radius:12px;padding:10px 14px;font-weight:800;cursor:pointer}.order-zone .token{background:var(--wine);color:#fff}.result{width:min(750px,calc(100% - 30px));margin:50px auto;background:#fff;border-radius:30px;padding:35px;box-shadow:var(--shadow)}
@media(max-width:900px){.nav{display:none}.hero{padding-top:45px}.hero-grid,.fit-grid,.about-grid,.system-grid,.contact-grid,.faq-wrap{grid-template-columns:1fr;gap:45px}.portrait-wrap{margin:0 auto}.steps{grid-template-columns:1fr 1fr}.pricing,.quotes{grid-template-columns:1fr}.app-layout{grid-template-columns:1fr}.sidebar{display:none}.app-main{padding:25px 20px 90px}.student-grid{grid-template-columns:1fr}.mobile-nav{display:grid;position:fixed;bottom:0;left:0;right:0;z-index:50;grid-template-columns:repeat(4,1fr);background:#fff;border-top:1px solid var(--line);padding:10px}.mobile-nav a{text-align:center;font-size:11px;font-weight:800;color:rgba(36,26,27,.45)}.mobile-nav a.active{color:var(--wine)}.admin-layout{grid-template-columns:1fr}.admin-side{display:none}.admin-content{padding:24px 18px}.stats-grid{grid-template-columns:1fr 1fr}.activity-grid{grid-template-columns:1fr}.table-row{grid-template-columns:1.3fr .4fr .5fr}.table-row>:nth-child(3),.table-row>:nth-child(5){display:none}.auth-page{grid-template-columns:1fr}.auth-art{display:none}.auth-form-wrap{padding:25px}.filters{flex-direction:column}.top-row{align-items:start;flex-direction:column}}
@media(max-width:600px){.shell{width:min(100% - 28px,1180px)}.topbar-inner{height:74px}.actions .btn-ghost{display:none}.hero{padding-bottom:70px}.display{font-size:clamp(48px,16vw,70px)}.lead{font-size:18px}.hero-cta{flex-direction:column}.ticks{gap:12px;font-size:12px}.focus-card{left:-8px}.progress-card{right:-6px}.section{padding:75px 0}.fit-item{grid-template-columns:38px 1fr}.feature-list,.dash-cards,.steps,.facts,.form-grid{grid-template-columns:1fr}.step{min-height:auto}.step h3{margin-top:25px}.footer-inner{flex-direction:column;gap:16px}.task-row{grid-template-columns:auto 1fr auto}.task-row>:last-child{display:none}.stats-grid{grid-template-columns:1fr}.app-title{font-size:40px}.admin-header{padding:0 18px}.auth-box h1{font-size:42px}.exercise-wrap{padding:30px 0}.result{margin:20px auto;padding:24px}}