:root{--navy:#071a33;--navy2:#0c284c;--blue:#155eef;--sky:#eaf2ff;--gold:#ffb703;--cream:#fff8e8;--ink:#132238;--muted:#64748b;--line:#dfe7f2;--white:#fff;--green:#0f9f6e;--danger:#c93535;--shadow:0 18px 50px rgba(16,42,76,.12)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.65}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}.container{width:min(1160px,calc(100% - 36px));margin:auto}.topbar{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(16px);border-bottom:1px solid rgba(223,231,242,.7)}.nav{height:76px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;gap:11px;align-items:center;font-size:20px;font-weight:800;color:var(--navy)}.brand-mark{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;background:linear-gradient(145deg,var(--gold),#ffd166);color:var(--navy);font-family:Playfair Display,serif;font-size:25px;box-shadow:0 8px 18px rgba(255,183,3,.28)}.nav nav{display:flex;align-items:center;gap:28px;font-weight:600;font-size:14px}.btn{display:inline-flex;align-items:center;justify-content:center;padding:13px 22px;border-radius:12px;border:1px solid var(--blue);background:var(--blue);color:#fff;font-weight:800;cursor:pointer;box-shadow:0 10px 24px rgba(21,94,239,.22);transition:.2s}.btn:hover{transform:translateY(-2px)}.btn-sm{padding:10px 16px}.btn-ghost{background:transparent;color:var(--navy);border-color:#cbd5e1;box-shadow:none}.btn-dark{background:var(--navy);border-color:var(--navy)}.btn-block{width:100%}.hero{background:radial-gradient(circle at 86% 10%,rgba(34,211,238,.18),transparent 28%),linear-gradient(135deg,#f7fbff 0%,#eef5ff 55%,#fff8e8 100%);padding:80px 0 72px;overflow:hidden}.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:72px;align-items:center}.pill,.eyebrow{display:inline-block;text-transform:uppercase;letter-spacing:.16em;font-size:12px;font-weight:800;color:var(--blue)}.pill{padding:8px 12px;border:1px solid #bdd2ff;border-radius:999px;background:#fff}.hero h1{font-family:Playfair Display,serif;font-size:clamp(52px,6vw,82px);line-height:1.02;margin:22px 0;color:var(--navy);letter-spacing:-.04em}.hero h1 em{color:var(--blue);font-style:normal}.hero-copy{font-size:18px;max-width:690px;color:#52647a}.hero-actions{display:flex;gap:14px;margin:30px 0}.proof{display:flex;gap:36px;margin-top:42px}.proof div{display:flex;flex-direction:column}.proof strong{font-size:22px;color:var(--navy)}.proof small{color:var(--muted)}.hero-card{background:var(--navy);color:#fff;border-radius:28px;padding:28px;box-shadow:0 32px 80px rgba(7,26,51,.28);transform:rotate(1.5deg);position:relative}.teacher-badge{font-size:12px;text-transform:uppercase;letter-spacing:.15em;color:#9fd1ff}.teacher-visual{height:170px;margin:18px 0;border-radius:20px;background:linear-gradient(145deg,#164b82,#0f3159);display:flex;align-items:center;justify-content:center;gap:30px}.teacher-avatar{width:94px;height:94px;border-radius:50%;display:grid;place-items:center;font-size:42px;font-family:Playfair Display,serif;background:var(--gold);color:var(--navy);border:8px solid rgba(255,255,255,.16)}.sound-wave{display:flex;align-items:center;gap:6px;height:70px}.sound-wave i{width:5px;border-radius:6px;background:#79d9ff;animation:wave 1.1s infinite ease-in-out}.sound-wave i:nth-child(1),.sound-wave i:nth-child(5){height:22px}.sound-wave i:nth-child(2),.sound-wave i:nth-child(4){height:48px;animation-delay:.15s}.sound-wave i:nth-child(3){height:66px;animation-delay:.3s}@keyframes wave{50%{transform:scaleY(.45)}}.hero-card h3{margin:0 0 5px}.hero-card p{color:#c8d9eb}.speak-btn{border:0;background:#fff;color:var(--navy);padding:11px 16px;border-radius:10px;font-weight:800;cursor:pointer}.mini-progress{margin-top:24px}.mini-progress span,.mini-progress strong{font-size:12px;display:block}.mini-progress strong{float:right;margin-top:-20px}.mini-progress div{height:7px;background:#23496d;border-radius:20px;margin-top:8px}.mini-progress i{display:block;height:100%;background:var(--gold);border-radius:20px}.logos{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff}.logos .container{min-height:72px;display:flex;justify-content:space-between;align-items:center;color:#6b7d91;font-weight:800}.section{padding:94px 0}.section.soft{background:#f6f9fd}.section-head{max-width:790px;margin-bottom:42px}.section-head.row{max-width:none;display:flex;align-items:end;justify-content:space-between}.section-head.center{text-align:center;margin-left:auto;margin-right:auto}.section-head h2{font-size:clamp(34px,4vw,54px);line-height:1.1;color:var(--navy);letter-spacing:-.04em;margin:12px 0}.section-head p{color:var(--muted)}.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.feature-grid article{padding:28px;border:1px solid var(--line);border-radius:18px;background:#fff;transition:.2s}.feature-grid article:hover{transform:translateY(-5px);box-shadow:var(--shadow)}.feature-grid b{color:var(--gold);font-size:13px}.feature-grid h3{margin:14px 0 8px}.feature-grid p{color:var(--muted);font-size:14px}.course-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.course-card{background:#fff;border-radius:20px;overflow:hidden;border:1px solid var(--line);box-shadow:0 10px 30px rgba(19,34,56,.06)}.course-cover{height:190px;padding:24px;display:flex;align-items:flex-end;justify-content:space-between;font-weight:800;color:#fff;background:linear-gradient(145deg,#155eef,#0a2b60)}.course-cover span{align-self:flex-start;background:#fff;color:var(--blue);border-radius:999px;padding:5px 10px}.level-a2{background:linear-gradient(145deg,#0f9f6e,#083f42)}.level-b1{background:linear-gradient(145deg,#7c3aed,#321b72)}.course-body{padding:24px}.course-meta{display:flex;gap:8px}.course-meta span{font-size:11px;padding:5px 9px;background:#eef4ff;color:var(--blue);border-radius:999px;font-weight:800}.course-body h3{font-size:20px;line-height:1.3}.course-body p{color:var(--muted);font-size:14px;min-height:70px}.course-foot{display:flex;justify-content:space-between;align-items:center;padding-top:15px;border-top:1px solid var(--line)}.course-foot a{color:var(--blue);font-weight:800}.pricing-grid{max-width:820px;margin:auto;display:grid;grid-template-columns:1fr 1fr;gap:24px}.pricing-grid article{position:relative;padding:34px;border:1px solid var(--line);border-radius:22px;background:#fff;box-shadow:var(--shadow)}.pricing-grid article.popular{background:var(--navy);color:#fff;transform:scale(1.03)}.popular-tag{position:absolute;right:24px;top:24px;background:var(--gold);color:var(--navy);font-size:11px;font-weight:800;padding:6px 9px;border-radius:99px}.price{font-size:44px;font-weight:800;margin:14px 0}.price small{font-size:13px;color:#8191a6}.pricing-grid ul{padding:0;list-style:none;min-height:125px}.pricing-grid li{padding:7px 0}.pricing-grid li:before{content:'✓';color:var(--green);font-weight:900;margin-right:10px}.cta{padding:64px 0;background:linear-gradient(125deg,var(--navy),#103d70);color:#fff}.cta .container{display:flex;align-items:center;justify-content:space-between;gap:30px}.cta h2{font-size:38px;line-height:1.2;margin:10px 0}.cta .eyebrow{color:#7ed7ff}footer{padding:62px 0 20px;background:#061327;color:#d2dfef}.footer-grid{display:grid;grid-template-columns:2fr 1fr;gap:40px}.footer-grid p{max-width:500px;color:#9db0c5}.footer-grid>div:last-child{display:flex;flex-direction:column;gap:10px}.copyright{border-top:1px solid #203650;margin-top:35px;padding-top:18px;color:#71869c;font-size:13px}.flash{position:fixed;top:92px;left:50%;transform:translateX(-50%);z-index:100;padding:12px 20px;border-radius:12px;box-shadow:var(--shadow);font-weight:700}.flash-success{background:#dcfce7;color:#17613f}.flash-danger{background:#fee2e2;color:#941f1f}.flash-warning{background:#fff3cd;color:#7a5200}.auth-wrap{min-height:100vh;display:grid;grid-template-columns:1fr 1fr}.auth-panel{padding:52px;display:flex;flex-direction:column;justify-content:space-between;color:#fff;background:radial-gradient(circle at 75% 15%,#1e62a7,transparent 30%),linear-gradient(145deg,#071a33,#0c315b)}.auth-panel .brand{color:#fff}.auth-copy{max-width:580px;margin:auto 0}.auth-copy h1{font-family:Playfair Display,serif;font-size:58px;line-height:1.05}.auth-copy p{color:#bed0e4;font-size:18px}.auth-panel .eyebrow{color:#80d4ff}.register-art{background:radial-gradient(circle at 70% 10%,#23a980,transparent 28%),linear-gradient(145deg,#071a33,#0c493f)}.auth-form{display:grid;place-items:center;background:#f7f9fc;padding:30px}.form-card{width:min(470px,100%);background:#fff;padding:38px;border-radius:22px;box-shadow:var(--shadow)}.form-card h2{font-size:32px;margin:0}.form-card>p{color:var(--muted)}.form-card form{display:grid;gap:16px;margin-top:24px}.form-card label{font-size:14px;font-weight:800}.form-card input,.form-card select,.form-card textarea,.control{width:100%;margin-top:7px;padding:13px 14px;border:1px solid #cfd9e6;border-radius:10px;background:#fff}.auth-bottom{text-align:center;margin-top:20px;color:var(--muted);font-size:14px}.auth-bottom a{color:var(--blue);font-weight:800}.demo-note{margin-top:20px;padding:14px;background:#f4f7fb;border-radius:10px;color:#63758c;font-size:12px}
/* Portal */.portal-body{background:#f5f7fb}.portal{min-height:100vh;display:grid;grid-template-columns:250px 1fr}.sidebar{position:fixed;inset:0 auto 0 0;width:250px;background:var(--navy);color:#c9d6e6;padding:26px 18px;display:flex;flex-direction:column;z-index:80}.side-brand{color:#fff;padding:0 10px 20px}.role-chip{margin:4px 10px 20px;padding:7px 10px;border-radius:8px;background:#12365f;color:#87c7ff;font-size:11px;text-transform:uppercase;letter-spacing:.13em;font-weight:800}.side-nav{display:grid;gap:6px}.side-nav a{display:flex;gap:11px;align-items:center;padding:12px;border-radius:10px;font-size:14px;font-weight:700}.side-nav a:hover,.side-nav a.active{background:#fff;color:var(--navy)}.logout{margin-top:auto;padding:12px;color:#ffb8b8}.main{grid-column:2;padding:32px 38px}.main-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:28px}.main-head h1{margin:0;font-size:34px;color:var(--navy)}.main-head .eyebrow{margin:0}.user-mini{display:flex;align-items:center;gap:10px;background:#fff;padding:9px 13px;border-radius:14px;border:1px solid var(--line)}.avatar{width:38px;height:38px;border-radius:10px;display:grid;place-items:center;background:var(--gold);font-weight:900}.user-mini div:last-child{display:flex;flex-direction:column}.user-mini small{color:var(--muted);font-size:11px}.mobile-head{display:none}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:24px}.stat-card,.panel{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px;box-shadow:0 8px 24px rgba(20,41,76,.04)}.stat-card span{color:var(--muted);font-size:13px}.stat-card strong{display:block;font-size:30px;margin:8px 0;color:var(--navy)}.stat-card small{color:var(--green)}.dashboard-grid{display:grid;grid-template-columns:1.5fr .9fr;gap:22px}.panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}.panel-head h2,.panel-head h3{margin:0}.panel-head a{font-size:13px;color:var(--blue);font-weight:800}.continue-card{padding:24px;border-radius:16px;background:linear-gradient(120deg,#0c2a4e,#155eef);color:#fff}.continue-card p{color:#bfd3ed}.progress-line{height:8px;background:#dfe8f4;border-radius:20px;overflow:hidden}.progress-line i{display:block;height:100%;background:var(--gold)}.continue-card .progress-line{background:#2c66a8}.list{display:grid;gap:10px}.list-item{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:13px 0;border-bottom:1px solid var(--line)}.list-item:last-child{border-bottom:0}.list-item small{display:block;color:var(--muted)}.badge{display:inline-flex;padding:5px 9px;border-radius:999px;background:#edf4ff;color:var(--blue);font-size:11px;font-weight:800}.badge.green{background:#dcfce7;color:#14704c}.badge.red{background:#fee2e2;color:#9c2626}.badge.gold{background:#fff4cf;color:#805d00}.portal-course-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.portal-course{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden}.portal-course .course-cover{height:130px}.portal-course .course-body p{min-height:44px}.locked{opacity:.78}.lock-note{padding:10px;border-radius:9px;background:#fff4cf;color:#6d5000;font-size:12px}.module{background:#fff;border:1px solid var(--line);border-radius:16px;margin-bottom:14px;overflow:hidden}.module-head{padding:16px 18px;background:#f8fafc;border-bottom:1px solid var(--line)}.module-head h3{margin:0}.lesson-row{display:flex;align-items:center;justify-content:space-between;padding:15px 18px;border-bottom:1px solid var(--line)}.lesson-row:last-child{border-bottom:0}.lesson-row .left{display:flex;align-items:center;gap:12px}.lesson-icon{width:38px;height:38px;border-radius:10px;display:grid;place-items:center;background:#edf4ff;color:var(--blue)}.lesson-content{max-width:900px}.lesson-content h2,.lesson-content h3{color:var(--navy)}.lesson-content p{font-size:17px}.lesson-box{padding:18px;border-left:4px solid var(--gold);background:#fff8df;border-radius:8px;margin:18px 0}.lesson-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.quiz-question{padding:20px;border:1px solid var(--line);border-radius:14px;margin-bottom:16px}.quiz-question h3{font-size:17px}.option{display:block;padding:12px;border:1px solid var(--line);border-radius:9px;margin:8px 0;font-weight:500}.option input{margin-right:8px}.vocab-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.flashcard{height:220px;perspective:1000px;cursor:pointer}.flashcard-inner{position:relative;width:100%;height:100%;transition:transform .5s;transform-style:preserve-3d}.flashcard.flipped .flashcard-inner{transform:rotateY(180deg)}.flash-front,.flash-back{position:absolute;inset:0;backface-visibility:hidden;border-radius:18px;padding:22px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;border:1px solid var(--line);background:#fff;box-shadow:0 8px 25px rgba(20,40,70,.05)}.flash-front strong{font-size:28px;color:var(--navy)}.flash-front small{color:var(--muted)}.flash-back{transform:rotateY(180deg);background:var(--navy);color:#fff}.table-wrap{overflow:auto}.data-table{width:100%;border-collapse:collapse;background:#fff}.data-table th,.data-table td{padding:13px 14px;text-align:left;border-bottom:1px solid var(--line);font-size:13px}.data-table th{color:#61738a;background:#f8fafc}.inline-form{display:flex;gap:8px;align-items:center}.inline-form input,.inline-form select{padding:8px;border:1px solid var(--line);border-radius:8px}.admin-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.admin-form{display:grid;gap:13px}.admin-form label{font-size:13px;font-weight:800}.admin-form input,.admin-form select,.admin-form textarea{width:100%;padding:11px;border:1px solid var(--line);border-radius:9px}.empty{padding:30px;text-align:center;color:var(--muted)}
@media(max-width:980px){.hero-grid,.dashboard-grid{grid-template-columns:1fr}.hero-card{max-width:520px}.feature-grid,.vocab-grid{grid-template-columns:repeat(2,1fr)}.course-grid,.portal-course-grid{grid-template-columns:repeat(2,1fr)}.stats-grid{grid-template-columns:repeat(2,1fr)}.portal{display:block}.sidebar{transform:translateX(-102%);transition:.25s}.sidebar.open{transform:translateX(0)}.main{padding:20px}.mobile-head{display:flex;align-items:center;gap:15px;margin-bottom:18px}.mobile-head button{border:0;background:var(--navy);color:#fff;border-radius:8px;padding:8px 11px}.auth-wrap{grid-template-columns:1fr}.auth-panel{min-height:330px}.auth-copy h1{font-size:42px}.auth-form{min-height:600px}}@media(max-width:700px){.nav nav>a:not(.btn){display:none}.hero{padding-top:50px}.hero h1{font-size:49px}.hero-grid{gap:36px}.hero-actions,.proof,.cta .container,.section-head.row{align-items:stretch;flex-direction:column}.proof{gap:12px}.logos .container{overflow:auto;gap:30px;justify-content:flex-start}.feature-grid,.course-grid,.pricing-grid,.portal-course-grid,.vocab-grid,.stats-grid,.admin-grid{grid-template-columns:1fr}.section{padding:66px 0}.pricing-grid article.popular{transform:none}.cta h2{font-size:30px}.main{padding:14px}.main-head{align-items:flex-start}.user-mini{display:none}.main-head h1{font-size:28px}.auth-panel{padding:28px}.form-card{padding:26px}.portal-course .course-cover{height:150px}}