:root{
  --teal:#0E5E6F; --teal-d:#0a4855; --ink:#1B2430; --sub:#566271; --sky:#E8F1F4;
  --line:#D5E0E5; --ok:#2E9E6A; --err:#B3261E; --white:#fff;
  --font:"Inter","Segoe UI",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box}
body{margin:0;font:16px/1.6 var(--font);color:var(--ink);background:var(--white);-webkit-font-smoothing:antialiased}
a{color:var(--teal)}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #7cc4d3;outline-offset:2px}
.wrap{max-width:1160px;margin:0 auto;padding:0 20px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

.hdr{border-bottom:1px solid var(--line);background:#fff}
.hdr-in{display:flex;align-items:center;gap:32px;min-height:68px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px;font-weight:750;font-size:20px;color:var(--ink);text-decoration:none;letter-spacing:-.01em}
.hdr-nav{display:flex;gap:24px}
.hdr-nav a,.lnk{color:var(--ink);text-decoration:none;font-weight:550;font-size:15px}
.hdr-nav a:hover,.lnk:hover{color:var(--teal)}
.hdr-act{margin-left:auto;display:flex;align-items:center;gap:18px}

.btn{display:inline-block;border-radius:8px;padding:11px 18px;font:600 15px var(--font);text-decoration:none;cursor:pointer;border:1px solid transparent;text-align:center}
.btn-primary{background:var(--teal);color:#fff}
.btn-primary:hover{background:var(--teal-d)}
.btn-ghost{border-color:var(--teal);color:var(--teal);background:#fff}
.btn-ghost:hover{background:var(--sky)}
.btn-lg{padding:15px 26px;font-size:17px}
.btn-block{display:block;width:100%}

.hero{background:linear-gradient(180deg,var(--sky),#fff 85%)}
.hero-in{display:grid;grid-template-columns:1fr 1.15fr;gap:56px;align-items:center;padding-top:72px;padding-bottom:80px}
.hero h1{font-size:clamp(36px,4.6vw,54px);line-height:1.08;letter-spacing:-.025em;margin:0 0 20px;font-weight:780}
.hero-txt>p{font-size:19px;color:var(--sub);margin:0 0 28px;max-width:30em}
.hero-form{display:flex;gap:10px;max-width:460px}
.hero-form input{flex:1;min-width:0;padding:12px 14px;border:1px solid #b9c8cf;border-radius:8px;font:16px var(--font)}
.fine{font-size:14px;color:var(--sub);margin-top:10px}

.mock{background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 30px 60px -30px rgba(14,94,111,.45);overflow:hidden;position:relative;font-size:14px}
.mock-bar{display:flex;align-items:center;gap:6px;padding:10px 14px;background:#f4f7f8;border-bottom:1px solid var(--line)}
.mock-bar span{width:10px;height:10px;border-radius:50%;background:#cfd8dc}
.mock-bar b{margin-left:10px;font-weight:600;color:var(--sub)}
.mock-body{display:grid;grid-template-columns:150px 1fr}
.mock-side{padding:14px;border-right:1px solid var(--line);color:var(--sub)}
.mock-side p{margin:0 0 6px;padding:5px 8px;border-radius:6px}
.mock-side .on{background:var(--sky);color:var(--teal);font-weight:600}
.quota{height:6px;background:#e3eaed;border-radius:3px;margin:18px 0 6px}
.quota i{display:block;height:100%;background:var(--teal);border-radius:3px}
.mock-side small{font-size:12px}
.mock-files{width:100%;border-collapse:collapse}
.mock-files th{font-size:12px;color:var(--sub);text-align:left;font-weight:600;padding:10px 12px;border-bottom:1px solid var(--line)}
.mock-files td{padding:9px 12px;border-bottom:1px solid #eef2f4;white-space:nowrap}
.mock-files .fn{display:flex;align-items:center;gap:10px}
.mock-files .sel{background:#eef7f9}
.mock-toast{position:absolute;right:16px;bottom:16px;background:var(--ink);color:#fff;padding:9px 14px;border-radius:8px;font-size:13px}
.ic{width:18px;height:18px;border-radius:3px;flex:none;display:inline-block}
.ic-folder{background:#5aa5b5;border-radius:2px 5px 3px 3px}
.ic-xls{background:#2E9E6A}.ic-pdf{background:#d14b3f}.ic-img{background:#7d6bd1}.ic-zip{background:#b98a2e}

.feats{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;padding-top:72px;padding-bottom:72px}
.feat h2{font-size:21px;margin:0 0 10px;letter-spacing:-.01em}
.feat p{color:var(--sub);margin:0}
.band{background:var(--teal);color:#fff}
.band-in{padding-top:64px;padding-bottom:64px;max-width:860px}
.quote{font-size:clamp(22px,2.6vw,30px);line-height:1.35;margin:0 0 18px;letter-spacing:-.01em}
.who{margin:0;color:#bfe0e7}
.cta{text-align:center;padding-top:72px;padding-bottom:88px}
.cta h2{font-size:34px;margin:0 0 8px;letter-spacing:-.02em}
.cta p{color:var(--sub);margin:0 0 24px}

.page{padding-top:56px;padding-bottom:80px}
.page-h{font-size:clamp(30px,4vw,44px);letter-spacing:-.02em;margin:0 0 8px;line-height:1.15}
.page-sub{color:var(--sub);margin:0 0 40px}
.tiers{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:stretch}
.tier{border:1px solid var(--line);border-radius:12px;padding:28px;display:flex;flex-direction:column;position:relative}
.tier-hl{border:2px solid var(--teal);box-shadow:0 20px 40px -28px rgba(14,94,111,.6)}
.badge{position:absolute;top:-13px;left:24px;margin:0;background:var(--teal);color:#fff;font-size:13px;font-weight:600;padding:3px 10px;border-radius:20px}
.tier h2{margin:0 0 6px;font-size:22px}
.tier-price{font-size:36px;font-weight:780;margin:0;letter-spacing:-.02em}
.tier-price small{font-size:14px;font-weight:500;color:var(--sub);letter-spacing:0}
.tier-storage{color:var(--teal);font-weight:600;margin:4px 0 16px}
.tier ul{padding:0;list-style:none;margin:0 0 24px;flex:1}
.tier li{padding:6px 0 6px 26px;position:relative}
.tier li::before{content:"";position:absolute;left:2px;top:12px;width:12px;height:7px;border-left:2px solid var(--ok);border-bottom:2px solid var(--ok);transform:rotate(-45deg)}
.faq{max-width:720px;margin-top:64px}
.faq h2{font-size:26px}
.faq details{border-bottom:1px solid var(--line);padding:14px 0}
.faq summary{font-weight:600;cursor:pointer}
.faq p{color:var(--sub);margin:10px 0 0}
.prose p{max-width:40em;color:#34404d}

.auth-page{background:var(--sky)}
.auth{display:flex;justify-content:center;padding:56px 20px 80px}
.auth-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:36px;width:100%;max-width:460px;box-shadow:0 20px 50px -35px rgba(27,36,48,.5)}
.auth-card h1{font-size:26px;letter-spacing:-.015em;margin:0 0 6px;line-height:1.2}
.auth-sub{color:var(--sub);margin:0 0 24px}
.f{display:grid;gap:16px}
.f label{display:grid;gap:6px;font-weight:600;font-size:14px}
.f input[type=text],.f input:not([type]),.f input[type=email],.f input[type=password]{padding:11px 12px;border:1px solid #b9c8cf;border-radius:8px;font:16px var(--font);width:100%}
.f input:focus{border-color:var(--teal);outline:none;box-shadow:0 0 0 3px #cfe7ec}
.f small{font-weight:400;color:var(--sub)}
.f-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.chk{display:flex!important;align-items:center;gap:8px;font-weight:400!important}
.f-links{display:flex;justify-content:space-between;align-items:center;margin:0;font-size:14px}
.alt{text-align:center;margin:22px 0 0;font-size:15px;color:var(--sub)}
.err{background:#fdecea;color:var(--err);border:1px solid #f4c7c3;padding:10px 12px;border-radius:8px;margin:0 0 18px;font-size:15px}
.done{text-align:center}
.done img{margin:0 auto 16px}
.done p{color:var(--sub)}
.share-file{display:flex;gap:16px;align-items:center;margin-bottom:12px}
.share-file h1{font-size:20px;word-break:break-all}
.share-file p{margin:0;color:var(--sub);font-size:14px}
.ic-lg{width:52px;height:62px;border-radius:6px;flex:none;background:#8aa4ad;position:relative}
.ic-lg::after{content:"";position:absolute;right:0;top:0;border:9px solid;border-color:#fff #fff rgba(0,0,0,.18) rgba(0,0,0,.18)}
.ic-lg.ic-spreadsheet{background:#2E9E6A}.ic-lg.ic-pdf{background:#d14b3f}.ic-lg.ic-archive{background:#b98a2e}.ic-lg.ic-document{background:#2f6fd1}
.share-exp{color:var(--sub);font-size:14px}

.ftr{border-top:1px solid var(--line);background:#fff}
.ftr-in{display:flex;align-items:center;gap:28px;flex-wrap:wrap;padding-top:28px;padding-bottom:28px;font-size:14px;color:var(--sub)}
.ftr-brand{display:flex;gap:8px;align-items:center;font-weight:700;color:var(--ink)}
.ftr nav{display:flex;gap:18px;flex-wrap:wrap}
.ftr nav a{color:var(--sub);text-decoration:none}
.ftr nav a:hover{color:var(--teal)}
.ftr p{margin:0 0 0 auto}

@media (max-width:900px){
  .hero-in,.tiers,.feats{grid-template-columns:1fr}
  .hdr-nav{display:none}
  .mock-body{grid-template-columns:1fr}
  .mock-side{display:none}
  .ftr p{margin:0}
}
@media (max-width:480px){.hero-form{flex-direction:column}.f-row{grid-template-columns:1fr}.auth-card{padding:24px}}