*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#f7f9fc;
  --bg2:#eef2f7;
  --surface:#ffffff;
  --border:#e2e8f0;
  --border2:#cbd5e1;
  --ink:#0d1117;
  --ink2:#334155;
  --muted:#64748b;
  --muted2:#94a3b8;
  --teal:#0d9488;
  --teal2:#14b8a6;
  --teal-pale:#f0fdfa;
  --teal-border:#99f6e4;
  --teal-dark:#0f766e;
  --coral:#f43f5e;
  --coral-pale:#fff1f2;
  --gold:#f59e0b;
  --gold-pale:#fffbeb;
  --blue:#3b82f6;
  --blue-pale:#eff6ff;
  --green:#10b981;
  --green-pale:#ecfdf5;
  --radius:14px;
  --shadow:0 1px 3px rgba(0,0,0,.08),0 4px 16px rgba(0,0,0,.06);
  --shadow-lg:0 8px 32px rgba(0,0,0,.1);
}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);font-family:'Plus Jakarta Sans',sans-serif;line-height:1.6;overflow-x:hidden}

/* NAV */
nav{position:sticky;top:0;z-index:100;background:rgba(247,249,252,.92);backdrop-filter:blur(16px);border-bottom:1px solid var(--border);padding:0 24px}
.nav-inner{max-width:1200px;margin:0 auto;height:62px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.nav-logo{font-family:'Outfit',sans-serif;font-weight:800;font-size:1.25rem;color:var(--ink);text-decoration:none;letter-spacing:-.02em;display:flex;align-items:center;gap:6px}
.nav-logo-icon{width:28px;height:28px;background:var(--teal);border-radius:7px;display:flex;align-items:center;justify-content:center}
.nav-logo-icon svg{width:16px;height:16px;color:#fff}
.nav-links{display:flex;gap:2px}
.nav-links a{color:var(--muted);text-decoration:none;font-size:.83rem;font-weight:500;padding:6px 12px;border-radius:8px;transition:all .18s}
.nav-links a:hover,.nav-links a.active{color:var(--ink);background:var(--bg2)}
@media(max-width:680px){.nav-links{display:none}}

/* CONTAINER */
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.container-sm{max-width:860px;margin:0 auto;padding:0 24px}

/* AD SLOTS */
.ad-slot{background:var(--bg2);border:1px dashed var(--border2);border-radius:10px;padding:14px;text-align:center;color:var(--muted2);font-size:.69rem;letter-spacing:.1em;text-transform:uppercase;display:flex;align-items:center;justify-content:center;font-family:'Outfit',sans-serif}
.ad-leaderboard{min-height:90px;margin:28px 0}
.ad-rect{min-height:250px}

/* CARDS */
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow)}
.card-label{font-family:'Outfit',sans-serif;font-size:.68rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:14px;display:flex;align-items:center;gap:8px;padding-bottom:12px;border-bottom:1px solid var(--border)}
.card-label svg{width:13px;height:13px;color:var(--teal)}

/* DROPZONE */
.dropzone{border:2px dashed var(--border2);border-radius:10px;padding:48px 20px;text-align:center;cursor:pointer;transition:all .2s;position:relative;overflow:hidden;background:var(--bg)}
.dropzone:hover,.dropzone.dragover{border-color:var(--teal);background:var(--teal-pale)}
.dropzone input{position:absolute;inset:0;opacity:0;cursor:pointer;width:100%;height:100%}
.dz-icon{width:52px;height:52px;background:var(--teal-pale);border:1.5px solid var(--teal-border);border-radius:12px;display:flex;align-items:center;justify-content:center;margin:0 auto 14px;transition:transform .2s}
.dropzone:hover .dz-icon{transform:translateY(-4px)}
.dz-icon svg{width:24px;height:24px;color:var(--teal)}
.dropzone h3{font-family:'Outfit',sans-serif;font-size:1rem;font-weight:700;margin-bottom:5px;color:var(--ink)}
.dropzone p{color:var(--muted);font-size:.82rem}
.dropzone p strong{color:var(--teal);font-weight:600}

/* CONTROLS */
.ctrl-label{display:block;font-size:.7rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:8px}
.ctrl-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:16px}
@media(max-width:520px){.ctrl-row{grid-template-columns:1fr}}
.slider-wrap{display:flex;align-items:center;gap:10px}
input[type=range]{-webkit-appearance:none;appearance:none;flex:1;height:4px;background:var(--border2);border-radius:99px;outline:none}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:17px;height:17px;border-radius:50%;background:var(--teal);cursor:pointer;box-shadow:0 0 0 3px var(--teal-pale),0 0 0 4.5px var(--teal-border)}
.slider-val{min-width:44px;text-align:center;font-weight:700;font-size:.82rem;color:var(--teal);background:var(--teal-pale);border:1px solid var(--teal-border);padding:3px 8px;border-radius:6px;font-family:'Outfit',sans-serif}
select,input[type=number]{width:100%;background:var(--surface);border:1.5px solid var(--border2);border-radius:8px;color:var(--ink);font-family:'Plus Jakarta Sans',sans-serif;font-size:.86rem;padding:10px 32px 10px 12px;outline:none;transition:border-color .18s;cursor:pointer}
select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 10px center;background-size:14px}
select:focus,input[type=number]:focus{border-color:var(--teal);outline:3px solid var(--teal-pale)}
input[type=number]{padding-right:12px}

/* BUTTONS */
.btn{width:100%;padding:13px 22px;border:none;border-radius:10px;font-family:'Outfit',sans-serif;font-size:.9rem;font-weight:700;cursor:pointer;transition:all .18s;display:flex;align-items:center;justify-content:center;gap:8px;margin-top:16px;letter-spacing:.01em}
.btn svg{width:16px;height:16px}
.btn-primary{background:var(--teal);color:#fff;box-shadow:0 4px 14px rgba(13,148,136,.35)}
.btn-primary:hover:not(:disabled){background:var(--teal-dark);transform:translateY(-1px);box-shadow:0 6px 20px rgba(13,148,136,.45)}
.btn-primary:disabled{opacity:.35;cursor:not-allowed;transform:none;box-shadow:none}
.btn-outline{background:var(--green-pale);color:var(--green);border:1.5px solid rgba(16,185,129,.25);box-shadow:none}
.btn-outline:hover{background:#d1fae5;transform:none;box-shadow:none}

/* FILE LIST */
.file-list{margin-top:12px;display:flex;flex-direction:column;gap:7px}
.file-item{background:var(--bg);border:1px solid var(--border);border-radius:8px;padding:10px 12px;display:flex;align-items:center;gap:10px;animation:popIn .18s ease}
.file-thumb{width:38px;height:38px;border-radius:6px;object-fit:cover;flex-shrink:0;background:var(--border)}
.file-info{flex:1;min-width:0}
.file-name{font-size:.8rem;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--ink2)}
.file-meta{font-size:.7rem;color:var(--muted);margin-top:1px}
.file-rm{width:24px;height:24px;border:none;border-radius:5px;background:var(--coral-pale);color:var(--coral);cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:background .15s}
.file-rm:hover{background:#fecdd3}

/* PROGRESS */
.prog-wrap{margin-top:12px;display:none}
.prog-wrap.show{display:block;animation:popIn .2s}
.prog-label{font-size:.73rem;color:var(--muted);margin-bottom:6px;display:flex;justify-content:space-between;font-family:'Outfit',sans-serif}
.prog-bar{height:5px;border-radius:99px;background:var(--border2);overflow:hidden}
.prog-fill{height:100%;border-radius:99px;background:linear-gradient(90deg,var(--teal),var(--teal2));transition:width .3s;width:0%}

/* RESULTS */
.results{display:flex;flex-direction:column;gap:8px}
.result-item{background:var(--bg);border:1px solid var(--border);border-radius:10px;padding:12px 15px;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:12px;animation:popIn .2s ease}
@media(max-width:460px){.result-item{grid-template-columns:auto 1fr}.btn-dl{grid-column:2}}
.result-prev{width:44px;height:44px;border-radius:7px;object-fit:cover;border:1px solid var(--border)}
.result-name{font-size:.8rem;font-weight:600;margin-bottom:3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--ink2)}
.result-stats{display:flex;align-items:center;gap:5px;flex-wrap:wrap}
.pill{font-size:.67rem;font-weight:700;padding:2px 8px;border-radius:100px;font-family:'Outfit',sans-serif}
.pill-old{background:var(--bg2);color:var(--muted)}
.pill-new{background:var(--green-pale);color:var(--green)}
.pill-saved{background:var(--teal-pale);color:var(--teal)}
.btn-dl{padding:7px 14px;background:var(--green-pale);border:1.5px solid rgba(16,185,129,.25);color:var(--green);border-radius:7px;font-family:'Outfit',sans-serif;font-size:.78rem;font-weight:700;cursor:pointer;transition:all .15s;display:flex;align-items:center;gap:5px;white-space:nowrap;flex-shrink:0}
.btn-dl:hover{background:#d1fae5}
.btn-dl svg{width:12px;height:12px}

/* INFO STRIP */
.info-strip{background:var(--teal-pale);border:1px solid var(--teal-border);border-radius:8px;padding:10px 14px;font-size:.78rem;color:var(--teal-dark);display:flex;align-items:flex-start;gap:8px;margin-top:12px;line-height:1.6}
.info-strip svg{width:14px;height:14px;flex-shrink:0;margin-top:2px}

/* SECTION TYPOGRAPHY */
.sec-tag{font-family:'Outfit',sans-serif;font-size:.68rem;font-weight:700;letter-spacing:.15em;text-transform:uppercase;color:var(--teal);margin-bottom:10px}
.sec-head{font-family:'Outfit',sans-serif;font-size:clamp(1.6rem,2.8vw,2.2rem);font-weight:800;letter-spacing:-.03em;margin-bottom:12px;color:var(--ink);line-height:1.1}
.sec-head span{color:var(--teal)}
.sec-sub{color:var(--muted);font-size:.9rem;line-height:1.8}

/* PROSE */
.prose p{color:var(--ink2);font-size:.9rem;line-height:1.85;margin-bottom:13px}
.prose h2{font-family:'Outfit',sans-serif;font-size:1.05rem;font-weight:700;margin:26px 0 9px;color:var(--ink)}
.prose h2:first-child{margin-top:0}
.prose ul{color:var(--ink2);font-size:.9rem;margin:0 0 13px 18px;line-height:1.85}
.prose ul li{margin-bottom:5px}

/* FAQ */
.faq-list{display:flex;flex-direction:column;gap:3px;margin-top:18px}
.faq-item{border:1.5px solid var(--border);border-radius:10px;overflow:hidden;transition:border-color .18s}
.faq-item.open{border-color:var(--teal-border);background:var(--teal-pale)}
.faq-q{padding:14px 17px;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:12px;user-select:none}
.faq-q:hover{background:var(--bg2)}
.faq-item.open .faq-q{background:transparent}
.faq-q h3{font-family:'Outfit',sans-serif;font-size:.88rem;font-weight:600;line-height:1.4;color:var(--ink2)}
.faq-arr{width:16px;height:16px;flex-shrink:0;color:var(--muted2);transition:transform .2s}
.faq-item.open .faq-arr{transform:rotate(180deg);color:var(--teal)}
.faq-a{display:none;padding:0 17px 14px;font-size:.84rem;color:var(--muted);line-height:1.8}
.faq-item.open .faq-a{display:block;animation:popIn .18s}

/* RELATED TOOLS */
.tools-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(175px,1fr));gap:11px;margin-top:20px}
.tool-card{background:var(--surface);border:1.5px solid var(--border);border-radius:12px;padding:17px;text-decoration:none;color:var(--ink);transition:all .18s;display:flex;flex-direction:column;gap:8px;box-shadow:var(--shadow)}
.tool-card:hover{border-color:var(--teal-border);transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.tc-icon{width:34px;height:34px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:1rem}
.tc-name{font-family:'Outfit',sans-serif;font-size:.82rem;font-weight:700;color:var(--ink2)}
.tc-desc{font-size:.72rem;color:var(--muted);line-height:1.45}
.tc-arr{font-size:.72rem;color:var(--teal);font-weight:600;font-family:'Outfit',sans-serif}

/* FOOTER */
footer{background:var(--ink);color:#94a3b8;padding:48px 0 28px;margin-top:64px}
.footer-inner{max-width:1200px;margin:0 auto;padding:0 24px}
.footer-top{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:36px;margin-bottom:36px}
@media(max-width:760px){.footer-top{grid-template-columns:1fr 1fr}}
@media(max-width:420px){.footer-top{grid-template-columns:1fr}}
.footer-logo{font-family:'Outfit',sans-serif;font-weight:800;font-size:1.2rem;color:#fff;margin-bottom:10px;display:flex;align-items:center;gap:7px;letter-spacing:-.02em}
.footer-logo-icon{width:26px;height:26px;background:var(--teal);border-radius:6px;display:flex;align-items:center;justify-content:center}
.footer-logo-icon svg{width:14px;height:14px;color:#fff}
.footer-brand p{font-size:.8rem;line-height:1.8;max-width:220px}
.footer-col h4{font-family:'Outfit',sans-serif;font-size:.68rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:#64748b;margin-bottom:13px}
.footer-col a{display:block;color:#94a3b8;text-decoration:none;font-size:.8rem;margin-bottom:7px;transition:color .15s}
.footer-col a:hover{color:#fff}
.footer-bottom{border-top:1px solid #1e293b;padding-top:20px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:.75rem}
.footer-bottom a{color:#64748b;text-decoration:none}
.footer-bottom a:hover{color:#fff}

@keyframes popIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}
::-webkit-scrollbar{width:5px}::-webkit-scrollbar-track{background:var(--bg)}::-webkit-scrollbar-thumb{background:var(--border2);border-radius:99px}