@font-face{font-family:Nunito;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/nunito-latin-400-normal-r8SDr6Up.woff2) format("woff2"),url(/assets/nunito-latin-400-normal-DKg4f3fz.woff) format("woff")}@font-face{font-family:Nunito;font-style:normal;font-display:swap;font-weight:700;src:url(/assets/nunito-latin-700-normal-Dort48En.woff2) format("woff2"),url(/assets/nunito-latin-700-normal-OcDqTBcA.woff) format("woff")}@font-face{font-family:Nunito;font-style:normal;font-display:swap;font-weight:800;src:url(/assets/nunito-latin-800-normal-Dz8SOQK_.woff2) format("woff2"),url(/assets/nunito-latin-800-normal-D-J0wlBY.woff) format("woff")}@font-face{font-family:Nunito;font-style:normal;font-display:swap;font-weight:900;src:url(/assets/nunito-latin-900-normal-BVB1fGs6.woff2) format("woff2"),url(/assets/nunito-latin-900-normal-CVn49sIn.woff) format("woff")}:root{--it-green: #009246;--it-red: #ce2b37;--br-green: #009c3b;--br-yellow: #ffdf00;--br-blue: #002776;--bg: #fffbf4;--surface: #ffffff;--surface-2: #f6f0e6;--text: #1c1a16;--muted: #4d483f;--border: #e4dccd;--link: #00693a;--primary: #00753a;--primary-edge: #004f27;--on-primary: #ffffff;--secondary-edge: #cfc5b3;--danger: #b3202b;--danger-edge: #7d141c;--yellow: #ffdf00;--yellow-edge: #c9a800;--on-yellow: #1c1a16;--ok-bg: #e3f6ea;--ok-text: #0b5a2e;--warn-bg: #fff4c7;--warn-text: #5c4500;--err-bg: #fde5e6;--err-text: #8a1720;--info-bg: #e5ecfa;--info-text: #0f2f6b;--glow-it: rgba(0, 146, 70, .16);--glow-it2: rgba(206, 43, 55, .1);--glow-br: rgba(0, 156, 59, .14);--glow-br2: rgba(255, 223, 0, .2);--glow-br3: rgba(0, 39, 118, .1);--radius: 20px;--shadow: 0 2px 0 var(--border), 0 10px 30px rgba(60, 40, 10, .06);--focus: #1a5fd0;color-scheme:light}@media(prefers-color-scheme:dark){:root{--bg: #15140f;--surface: #211f19;--surface-2: #2a2720;--text: #f7f2e9;--muted: #cfc7b8;--border: #3b372e;--link: #6fdc9c;--primary: #00843f;--primary-edge: #004d25;--secondary-edge: #12110d;--danger: #c42a35;--danger-edge: #6d1018;--ok-bg: #133524;--ok-text: #b9f1cd;--warn-bg: #3b3210;--warn-text: #ffe98a;--err-bg: #3f1518;--err-text: #ffc4c8;--info-bg: #17254a;--info-text: #c9d8ff;--glow-it: rgba(0, 146, 70, .2);--glow-it2: rgba(206, 43, 55, .14);--glow-br: rgba(0, 156, 59, .16);--glow-br2: rgba(255, 223, 0, .1);--glow-br3: rgba(60, 100, 200, .16);--shadow: 0 2px 0 #0b0a07, 0 10px 30px rgba(0, 0, 0, .3);--focus: #8fb8ff;color-scheme:dark}}*,*:before,*:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;background:var(--bg);color:var(--text);font-family:Nunito,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;font-size:1.125rem;line-height:1.6;min-height:100vh}body:before{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;background:radial-gradient(40vw 50vh at 0% 20%,var(--glow-it),transparent 70%),radial-gradient(35vw 40vh at 0% 85%,var(--glow-it2),transparent 70%),radial-gradient(40vw 45vh at 100% 15%,var(--glow-br2),transparent 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var(--focus);outline-offset:3px;border-radius:6px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:absolute;left:16px;top:-60px;z-index:10;background:var(--surface);padding:10px 16px;border-radius:12px}.skip-link:focus{top:12px}.site-header{padding:14px 0 6px}.header-top{display:flex;align-items:center;justify-content:space-between;gap:12px}.logo{display:flex;align-items:center;gap:10px;color:var(--text);text-decoration:none;min-height:44px}.logo-text{display:flex;flex-direction:column;line-height:1.15;gap:4px}.logo-name{font-weight:900;font-size:1.05rem}.flag-pair{display:inline-flex;gap:6px;align-items:center}.flag-frame{display:inline-flex;line-height:0;border-radius:2px;box-shadow:0 0 0 1px #0000002e;flex:none}.flag-frame svg{display:block}.main-nav{display:flex;gap:6px;overflow-x:auto;padding:10px 2px 6px;scrollbar-width:none}.main-nav a{white-space:nowrap;text-decoration:none;color:var(--muted);padding:10px 14px;border-radius:999px;min-height:44px;display:inline-flex;align-items:center}.main-nav a:hover{background:var(--surface-2);color:var(--text)}.main-nav a[aria-current=page]{background:var(--surface);color:var(--text);box-shadow:inset 0 0 0 2px var(--border)}.btn{--edge: var(--secondary-edge);display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:52px;padding:12px 22px;border-radius:16px;border:2px solid transparent;font:inherit;font-weight:800;font-size:1.05rem;text-decoration:none;cursor:pointer;box-shadow:0 5px 0 var(--edge);transform:translateY(0);transition:transform .08s ease,box-shadow .08s ease,filter .15s;-webkit-tap-highlight-color:transparent}.btn:hover:not(:disabled){filter:brightness(1.05)}.btn:active:not(:disabled){transform:translateY(5px);box-shadow:0 0 0 var(--edge)}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-primary{--edge: 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var(--border);background:var(--surface);color:var(--text);font:inherit;font-weight:800;font-size:1rem;cursor:pointer;box-shadow:0 3px 0 var(--secondary-edge);transition:transform .08s,box-shadow .08s}.lang-btn:active{transform:translateY(3px);box-shadow:none}.lang-btn.is-active{border-color:var(--primary);background:var(--ok-bg);color:var(--ok-text)}.card{background:var(--surface);border:2px solid var(--border);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}.center-card{max-width:560px;margin:30px auto;text-align:center}.center-card .btn-row{justify-content:center}.center{text-align:center}.lead{color:var(--muted);font-size:1.15rem;margin-top:0}.hint{color:var(--muted);font-size:.95rem;margin:4px 0}.badge{display:inline-block;font-size:.8rem;font-weight:800;padding:2px 10px;border-radius:999px;background:var(--warn-bg);color:var(--warn-text);vertical-align:middle}.badge-ok{background:var(--ok-bg);color:var(--ok-text)}.notice{border-radius:14px;padding:12px 16px;margin:12px 0;font-weight:600}.notice-info{background:var(--info-bg);color:var(--info-text)}.notice-ok{background:var(--ok-bg);color:var(--ok-text)}.notice-warn{background:var(--warn-bg);color:var(--warn-text)}.notice-error{background:var(--err-bg);color:var(--err-text)}.notice a{color:inherit}.loading{color:var(--muted);display:flex;align-items:center;gap:10px}.dot{width:12px;height:12px;border-radius:50%;background:var(--primary);animation:pulse 1s infinite alternate}@keyframes pulse{0%{opacity:.3}to{opacity:1}}.hero{padding:26px 0}.eyebrow{font-weight:800;color:var(--link);margin:0}.hero-title{font-size:clamp(2.6rem,11vw,4.6rem);line-height:1.02;margin:10px 0 14px}.hero-sub{font-size:clamp(1.2rem,4.5vw,1.5rem);color:var(--muted);max-width:34ch;margin:0}.section-title{margin:34px 0 14px}.chat-demo .section-title{margin-top:0}.chat{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:12px}.bubble{max-width:85%;padding:12px 16px;border-radius:18px;display:flex;flex-direction:column}.bubble-tutor{background:var(--ok-bg);color:var(--ok-text);border-bottom-left-radius:6px}.bubble-student{align-self:flex-end;background:var(--info-bg);color:var(--info-text);border-bottom-right-radius:6px}.who{font-size:.8rem;font-weight:800;text-transform:uppercase;letter-spacing:.06em;opacity:.85}.bubble .it{font-size:1.2rem;font-weight:800}.bubble .pt{font-style:italic}.benefits{list-style:none;padding:0;margin:0;display:grid;gap:16px}.benefit h3{margin:8px 0 4px;font-size:1.25rem}.benefit p{margin:0;color:var(--muted)}.proposal{margin-top:30px;font-size:1.25rem;text-align:center;background:linear-gradient(90deg,var(--glow-it),var(--surface) 30%,var(--surface) 70%,var(--glow-br2))}.proposal p{margin:0}.form-page{max-width:560px;margin:0 auto}.form{display:flex;flex-direction:column;gap:14px;margin:16px 0}.form-section{margin:6px 0 0;font-size:1.2rem}.field{display:flex;flex-direction:column;gap:4px}.field label{font-weight:800}input,select,textarea{font:inherit;color:var(--text);background:var(--surface);border:2px solid var(--border);border-radius:12px;padding:10px 14px;min-height:48px;width:100%}input:focus-visible,select:focus-visible,textarea:focus-visible{border-color:var(--focus);outline-offset:1px}.check{display:flex;gap:12px;align-items:flex-start;font-weight:600;min-height:44px}.check input{width:26px;height:26px;min-height:0;flex:none;margin-top:2px;accent-color:var(--primary)}.check.inline{align-items:center;margin:0}.consent{border:0;padding:0;margin:14px 0;display:flex;flex-direction:column;gap:8px}.divider{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:.95rem}.divider:before,.divider:after{content:"";flex:1;height:2px;background:var(--border)}.danger-zone{border-color:var(--err-bg)}.trail{list-style:none;padding:0;margin:20px 0;display:flex;flex-direction:column;gap:18px;position:relative}.trail-item{width:min(100%,420px)}.lesson-card{display:flex;flex-direction:column;gap:6px;text-decoration:none;color:var(--text);transition:transform .12s}.lesson-card:hover{transform:translateY(-2px)}.lesson-card.complete{border-color:var(--primary)}.lesson-title{font-size:1.3rem;font-weight:900}.lesson-count{color:var(--muted);font-weight:700}.level{align-self:flex-start;font-size:.9rem;font-weight:900;padding:2px 10px;border-radius:8px;background:var(--br-blue);color:#fff}h1 .level{vertical-align:middle}.bar{height:10px;border-radius:99px;background:var(--surface-2);overflow:hidden}.bar span{display:block;height:100%;background:linear-gradient(90deg,var(--it-green),var(--br-yellow));border-radius:99px}.back-link{display:inline-flex;min-height:44px;align-items:center;margin-top:8px}.phrases{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:18px}.phrase.is-done{border-color:var(--primary)}.phrase-head{display:flex;justify-content:space-between;align-items:center}.phrase-num{font-weight:800;color:var(--muted)}.phrase-main{font-size:clamp(1.7rem,7vw,2.3rem);font-weight:900;line-height:1.2;margin:10px 0 4px}.phrase-sub{font-size:1.2rem;color:var(--muted);margin:0}.btn-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:8px 0 6px}.btn-grid .btn{padding:10px 12px}.btn-span{grid-column:1 / -1}.recording{display:flex;align-items:center;gap:8px;font-weight:800;color:var(--err-text)}.rec-dot{width:14px;height:14px;border-radius:50%;background:var(--danger);animation:pulse .7s infinite alternate}.privacy-hint{font-size:.85rem}.live-list{list-style:none;padding:0;margin:16px 0;display:flex;flex-direction:column;gap:16px}.live-card{display:flex;gap:18px;flex-wrap:wrap}.live-when{display:flex;flex-direction:column;min-width:120px}.live-time{font-size:2rem;font-weight:900;line-height:1}.live-date{color:var(--muted);font-weight:700}.live-body{flex:1 1 240px}.live-body h2{margin:0 0 4px;font-size:1.3rem}.live-body p{margin:0 0 8px}.live-notes{color:var(--muted)}.tabs{display:flex;gap:8px;margin:10px 0 16px;flex-wrap:wrap}.tabs button{font:inherit;font-weight:800;min-height:44px;padding:8px 16px;border-radius:12px;border:2px solid var(--border);background:var(--surface);color:var(--text);cursor:pointer}.tabs button.is-active{border-color:var(--primary);background:var(--ok-bg);color:var(--ok-text)}.admin-list{list-style:none;padding:0;margin:16px 0;display:flex;flex-direction:column;gap:12px}.admin-item{padding:16px}.admin-item.is-selected{border-color:var(--primary)}.lesson-row,.phrase-row{display:flex;flex-direction:column;gap:12px}.row-fields{display:flex;flex-wrap:wrap;gap:10px;align-items:center}.row-fields input{flex:1 1 220px}.row-fields select{width:auto}.row-actions{display:flex;flex-wrap:wrap;gap:10px;align-items:center}.audio-box{background:var(--surface-2);border-radius:14px;padding:12px}.audio-status{margin:0 0 8px;font-weight:700}.phrases-admin{margin-top:24px}.prose{max-width:70ch}.prose h2{margin-top:1.6em}.prose svg{vertical-align:middle}.site-footer{border-top:2px solid var(--border);padding:26px 0 40px;text-align:center}.footer-love{font-weight:900;font-size:1.15rem;display:flex;align-items:center;justify-content:center;gap:8px;margin:0 0 10px}.footer-links{display:flex;justify-content:center;flex-wrap:wrap;gap:4px 18px}.footer-links a{min-height:44px;display:inline-flex;align-items:center}.footer-small{font-size:.85rem;color:var(--muted);max-width:50ch;margin:10px auto 0}@media(min-width:720px){.page{padding:0 40px}.benefits{grid-template-columns:repeat(3,1fr)}.trail:before{content:"";position:absolute;left:50%;top:0;bottom:0;border-left:4px dashed var(--border);z-index:-1}.trail-item.right{align-self:flex-end}.btn-grid{grid-template-columns:repeat(4,1fr)}.logo-name{font-size:1.25rem}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important}}