:root{--ink:#172033;--muted:#68738a;--line:#e7eaf1;--paper:#fff;--bg:#f7f8fc;--accent:#5b5ce2;--accent-dark:#4445c7;--mint:#dff7ef;--shadow:0 18px 50px rgba(27,37,67,.08)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.55}
.site-header,main,footer{width:min(1120px,calc(100% - 40px));margin-inline:auto}.site-header{height:78px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;color:var(--ink);font-weight:750;letter-spacing:-.03em}.brand-mark{width:34px;height:34px;display:grid;place-items:center;border-radius:11px;background:var(--accent);color:#fff;font-weight:800}.header-note{font-size:13px;color:var(--muted)}
.hero{padding:76px 0 68px;display:grid;grid-template-columns:1fr .9fr;align-items:center;gap:50px}.eyebrow{font-size:11px;font-weight:800;letter-spacing:.14em;color:var(--accent);display:flex;align-items:center;gap:9px}.dot{width:7px;height:7px;border-radius:50%;background:#53c6a4}
h1{font-size:clamp(40px,5.5vw,66px);line-height:1.05;letter-spacing:-.065em;margin:20px 0 20px;font-weight:800}h1 span{color:var(--accent)}.intro{max-width:520px;color:var(--muted);font-size:17px;line-height:1.8;margin:0}
.hero-art{height:320px;position:relative;border:1px solid #e8e8f8;border-radius:28px;background:linear-gradient(135deg,#eeefff,#f9fbff 60%,#e5f8f2);overflow:hidden;display:grid;place-items:center}.art-glow{position:absolute;width:230px;height:230px;border-radius:50%;background:#c7c9ff;filter:blur(2px);opacity:.55;right:45px;top:32px}
.art-card{position:absolute;width:205px;height:250px;border-radius:18px;box-shadow:0 20px 45px #343c7430}.card-back{background:#c6f0e4;transform:rotate(12deg) translate(35px,-4px);padding:28px}.card-front{background:#fff;transform:rotate(-7deg) translate(-10px,5px);padding:24px}.mini-line{display:block;height:7px;width:100%;background:#90cbbb;border-radius:8px;margin-bottom:11px}.mini-line.short{width:58%}.mini-chip{display:block;width:62px;height:62px;background:#a0dfce;border-radius:16px;margin-top:35px}.art-icon{width:45px;height:45px;background:#eeeeff;color:var(--accent);border-radius:14px;display:grid;place-items:center;font-size:24px}.art-title{font-size:10px;font-weight:850;letter-spacing:.12em;margin-top:20px}.art-lines{display:grid;gap:7px;margin-top:15px}.art-lines i{display:block;height:5px;border-radius:5px;background:#e6e8f2}.art-lines i:nth-child(2){width:75%}.art-lines i:nth-child(3){width:55%}.art-pill{display:inline-block;background:#e3f8f0;color:#2b8d71;font-size:8px;font-weight:800;letter-spacing:.1em;padding:7px 10px;border-radius:20px;margin-top:18px}.floating-bubble{position:absolute;background:#fff;box-shadow:var(--shadow);border:1px solid #edf0f7;border-radius:13px;padding:10px 13px;font-size:11px;font-weight:800;letter-spacing:.05em}.bubble-one{left:11%;top:22%}.bubble-two{right:9%;bottom:19%;color:var(--accent)}
.materials{padding:24px 0 74px}.section-heading{display:flex;align-items:end;justify-content:space-between;margin-bottom:24px}.section-heading h2{font-size:32px;letter-spacing:-.045em;margin:7px 0 0}.secure-label{font-size:12px;color:#4a8d7a;background:#e5f8f1;border-radius:30px;padding:8px 12px}.material-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.material-card{background:var(--paper);border:1px solid var(--line);border-radius:20px;padding:25px;box-shadow:0 5px 18px #202b4b05;display:flex;flex-direction:column;min-height:300px}.file-icon{width:48px;height:48px;border-radius:15px;display:grid;place-items:center;font-size:12px;font-weight:850;margin-bottom:25px}.pdf{background:#fff0ed;color:#e66a56}.zip{background:#eeedff;color:#5959d5}.plus{background:#e4f8f1;color:#278f70;font-size:22px}.material-number{font-size:10px;font-weight:800;letter-spacing:.12em;color:#9aa2b4}.material-card h3{font-size:21px;letter-spacing:-.03em;margin:7px 0}.material-card p{color:var(--muted);font-size:13px;line-height:1.7;margin:0 0 24px;flex:1}.open-modal{display:flex;align-items:center;justify-content:space-between;width:100%;padding:13px 15px;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--ink);font:inherit;font-size:13px;font-weight:750;cursor:pointer;transition:.2s}.open-modal:hover{border-color:#b9baff;background:#f8f8ff}.open-modal span{color:var(--accent);font-size:18px}.help-strip{display:flex;align-items:flex-start;gap:16px;padding:23px;border-radius:18px;background:#eeefff;margin-bottom:65px}.help-icon{width:34px;height:34px;flex:none;border-radius:11px;background:#fff;color:var(--accent);display:grid;place-items:center;font-weight:850}.help-strip h3{margin:0 0 4px;font-size:15px}.help-strip p{margin:0;color:#626d85;font-size:13px;line-height:1.7}footer{border-top:1px solid var(--line);padding:23px 0 30px;display:flex;justify-content:space-between;gap:15px;color:#8992a5;font-size:11px}
.password-dialog{border:0;border-radius:24px;padding:0;width:min(430px,calc(100% - 28px));box-shadow:0 25px 100px #121a3438;color:var(--ink)}.password-dialog::backdrop{background:#171d35a8;backdrop-filter:blur(5px)}.password-dialog form{padding:32px;position:relative}.close-dialog{position:absolute;right:18px;top:15px;border:0;background:transparent;color:#8a93a6;font-size:27px;cursor:pointer}.dialog-lock{width:48px;height:48px;display:grid;place-items:center;border-radius:15px;background:#eeeeff;color:var(--accent);font-size:25px;margin-bottom:20px}.password-dialog h2{font-size:27px;letter-spacing:-.04em;margin:8px 0}.dialog-copy{font-size:13px;color:var(--muted);margin:0 0 23px}.password-dialog label{font-size:12px;font-weight:750;display:block;margin-bottom:8px}.password-wrap{display:flex;border:1px solid #dfe3ed;border-radius:12px;overflow:hidden}.password-wrap:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px #5b5ce21b}.password-wrap input{width:100%;min-width:0;border:0;outline:0;padding:13px 12px;font:inherit;font-size:14px;background:#fff}.toggle-password{border:0;background:#fff;color:var(--accent);font-size:11px;font-weight:750;padding:0 12px;cursor:pointer}.submit-button{width:100%;display:flex;justify-content:space-between;align-items:center;padding:14px 16px;background:var(--accent);border:0;border-radius:12px;color:#fff;font:inherit;font-size:13px;font-weight:800;cursor:pointer;margin-top:13px}.submit-button:hover{background:var(--accent-dark)}.submit-button:disabled{opacity:.65;cursor:wait}.form-message{min-height:20px;font-size:12px;margin:8px 0 0;color:#c33d4d}.form-message.success{color:#278f70}.privacy-note{font-size:10px;line-height:1.6;color:#8a93a6;text-align:center;margin:18px 0 0}
@media(max-width:760px){.site-header,main,footer{width:min(100% - 30px,560px)}.header-note{font-size:11px}.hero{grid-template-columns:1fr;gap:28px;padding:52px 0 48px}.hero-art{height:285px}.intro{font-size:15px}.material-grid{grid-template-columns:1fr}.material-card{min-height:0}.file-icon{margin-bottom:18px}.materials{padding-bottom:48px}.section-heading{align-items:start;gap:12px;flex-direction:column}.section-heading h2{font-size:29px}.help-strip{margin-bottom:45px;padding:18px}footer{flex-direction:column;gap:5px}.password-dialog form{padding:27px 23px}}