*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --red:#e8333a;--red-dark:#c0272d;--red-light:#fff0f0;
  --bg:#f7f8fa;--white:#ffffff;--text:#1a1a2e;--muted:#6b7280;
  --border:#e5e7eb;--shadow:0 2px 12px rgba(0,0,0,0.08);
  --shadow-lg:0 8px 40px rgba(0,0,0,0.12);
  --radius:14px;--radius-sm:8px;
  --font:'DM Sans',sans-serif;
}
html{scroll-behavior:smooth}
body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.6;overflow-x:hidden}

/* NAV */
.container { max-width: 1140px; margin: 0 auto; padding: 0 20px; }
.header { background-color: #FFFFFF; padding: 15px 0; box-shadow: 0 1px 3px rgba(0,0,0,0.05); position: sticky; top: 0; z-index: 200; border-bottom: 1px solid var(--border); }
.header-container { display: flex; align-items: center; justify-content: space-between; }
.logo { display: inline-flex; align-items: center; gap: 8px; font-size: 22px; font-weight: 700; color: #333333; text-decoration: none; letter-spacing: -0.5px; }
.logo i { color: #E5322D; font-size: 26px; }
.logo span { color: #E5322D; }
.main-nav { display: flex; gap: 20px; }
.main-nav a { text-decoration: none; color: #333333; font-weight: 500; font-size: 15px; transition: all 0.25s ease-in-out; }
.main-nav a:hover { color: #E5322D; }

/* HERO */
.hero{background:var(--white);padding:5rem 2rem 4rem;text-align:center;border-bottom:1px solid var(--border)}
.hero-badge{display:inline-flex;align-items:center;gap:6px;background:var(--red-light);color:var(--red);font-size:0.78rem;font-weight:600;padding:5px 14px;border-radius:50px;margin-bottom:1.5rem;letter-spacing:0.3px}
.hero-badge span{width:6px;height:6px;background:var(--red);border-radius:50%;display:inline-block;animation:pulse-dot 1.5s ease-in-out infinite}
@keyframes pulse-dot{0%,100%{opacity:1;transform:scale(1)}50%{opacity:0.5;transform:scale(0.7)}}
.hero h1{font-size:clamp(2rem,5vw,3.2rem);font-weight:700;line-height:1.15;color:var(--text);letter-spacing:-1px;max-width:720px;margin:0 auto 1.25rem}
.hero h1 em{color:var(--red);font-style:normal}
.hero p{font-size:1.05rem;color:var(--muted);max-width:560px;margin:0 auto 2.5rem;font-weight:400}

/* UPLOAD ZONE */
.upload-wrap{max-width:560px;margin:0 auto}
.upload-zone{border:2px dashed #ddd;border-radius:var(--radius);padding:2.5rem 2rem;text-align:center;cursor:pointer;transition:all 0.25s;background:#fafafa;position:relative}
.upload-zone:hover,.upload-zone.drag-over{border-color:var(--red);background:var(--red-light)}
.upload-zone input{display:none}
.upload-icon-wrap{width:64px;height:64px;background:var(--red-light);border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 1rem;font-size:28px;transition:transform 0.25s}
.upload-zone:hover .upload-icon-wrap{transform:scale(1.08)}
.upload-zone h3{font-size:1rem;font-weight:600;color:var(--text);margin-bottom:0.35rem}
.upload-zone p{font-size:0.82rem;color:var(--muted)}
.fmt-row{display:flex;gap:8px;justify-content:center;margin-top:1rem}
.fmt{font-size:0.72rem;font-weight:600;padding:4px 12px;border:1.5px solid var(--border);border-radius:50px;color:var(--muted);letter-spacing:0.5px}
.upload-btn{display:block;width:100%;margin-top:1.25rem;padding:14px;background:var(--red);color:#fff;border:none;border-radius:var(--radius-sm);font-family:var(--font);font-size:0.95rem;font-weight:600;cursor:pointer;transition:background 0.2s,transform 0.15s;letter-spacing:0.2px}
.upload-btn:hover{background:var(--red-dark);transform:translateY(-1px)}
.progress-bar{width:100%;height:4px;background:#e5e7eb;border-radius:2px;margin-top:1rem;overflow:hidden;display:none}
.progress-fill{height:100%;background:var(--red);width:0%;transition:width 0.3s ease;border-radius:2px}
.status-txt{font-size:0.78rem;color:var(--muted);margin-top:0.5rem;display:none;text-align:center}

/* SECTIONS */
.section{padding:4rem 2rem}
.section-inner{max-width:1100px;margin:0 auto}
.section-label{font-size:0.75rem;font-weight:700;letter-spacing:2px;text-transform:uppercase;color:var(--red);margin-bottom:0.75rem}
.section-title{font-size:clamp(1.4rem,3vw,2rem);font-weight:700;color:var(--text);letter-spacing:-0.5px;margin-bottom:0.5rem}
.section-sub{font-size:0.95rem;color:var(--muted);max-width:480px}

/* STEPS */
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.5rem;margin-top:2.5rem}
.step-card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);padding:1.75rem 1.5rem;transition:box-shadow 0.2s,transform 0.2s}
.step-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px)}
.step-num{width:36px;height:36px;background:var(--red);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:0.9rem;margin-bottom:1rem}
.step-card h4{font-size:1rem;font-weight:600;margin-bottom:0.4rem}
.step-card p{font-size:0.85rem;color:var(--muted);line-height:1.55}

/* FEATURES */
.features-bg{background:var(--white);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1.25rem;margin-top:2.5rem}
.feat-card{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:1.5rem;transition:all 0.2s}
.feat-card:hover{border-color:var(--red);background:var(--red-light)}
.feat-icon{font-size:1.6rem;margin-bottom:0.75rem}
.feat-card h4{font-size:0.95rem;font-weight:600;margin-bottom:0.3rem}
.feat-card p{font-size:0.82rem;color:var(--muted);line-height:1.5}

/* USE CASES */
.use-cases{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.25rem;margin-top:2.5rem}
.use-card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);padding:1.5rem;text-align:center;transition:all 0.2s}
.use-card:hover{box-shadow:var(--shadow);transform:translateY(-2px)}
.use-icon{font-size:2rem;margin-bottom:0.75rem;display:block}
.use-card h4{font-size:0.9rem;font-weight:600;margin-bottom:0.3rem}
.use-card p{font-size:0.8rem;color:var(--muted)}

/* PRIVACY */
.privacy-card{background:linear-gradient(135deg,#fff5f5,#fff);border:1.5px solid #fecaca;border-radius:var(--radius);padding:2.5rem;margin-top:2rem}
.privacy-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;margin-top:1.5rem}
.priv-item{display:flex;align-items:flex-start;gap:10px}
.priv-check{width:22px;height:22px;background:var(--red);border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0;margin-top:2px;font-size:11px;color:#fff;font-weight:700}
.priv-item p{font-size:0.85rem;color:var(--text);font-weight:500;line-height:1.4;padding-top:2px}

/* OUTPUT */
.output-section{display:none;max-width:1100px;margin:0 auto;padding:2rem}
.output-header{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:1.5rem;gap:1rem;flex-wrap:wrap}
.output-title{font-size:1.3rem;font-weight:700}
.stats-row{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:1.5rem}
.stat-box{background:var(--white);border:1px solid var(--border);border-radius:var(--radius-sm);padding:1rem;text-align:center}
.stat-n{font-size:1.6rem;font-weight:700;line-height:1}
.stat-n.red{color:var(--red)}
.stat-n.orange{color:#f97316}
.stat-l{font-size:0.7rem;color:var(--muted);text-transform:uppercase;letter-spacing:1px;margin-top:3px}
.threats-box{background:#fff5f5;border:1px solid #fecaca;border-radius:var(--radius-sm);padding:1rem 1.25rem;margin-bottom:1.25rem;display:none}
.threats-title{font-size:0.75rem;font-weight:700;color:var(--red);letter-spacing:1px;text-transform:uppercase;margin-bottom:0.5rem}
.threat-item{font-size:0.82rem;color:#991b1b;padding:3px 0;border-bottom:1px solid #fee2e2}
.threat-item:last-child{border:none}
.toolbar{display:flex;gap:8px;margin-bottom:1rem;flex-wrap:wrap;align-items:center}
.tool-search{flex:1;min-width:180px;border:1.5px solid var(--border);border-radius:var(--radius-sm);padding:9px 14px;font-family:var(--font);font-size:0.85rem;outline:none;transition:border-color 0.2s;background:var(--white)}
.tool-search:focus{border-color:var(--red)}
.btn{font-family:var(--font);font-size:0.8rem;font-weight:600;padding:9px 16px;border-radius:var(--radius-sm);cursor:pointer;border:1.5px solid;transition:all 0.2s;white-space:nowrap;letter-spacing:0.2px}
.btn-red{background:var(--red);border-color:var(--red);color:#fff}
.btn-red:hover{background:var(--red-dark);border-color:var(--red-dark)}
.btn-outline{background:#fff;border-color:var(--border);color:var(--text)}
.btn-outline:hover{border-color:var(--red);color:var(--red)}
.panel{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;margin-bottom:2rem}
.panel-top{background:#fafafa;border-bottom:1px solid var(--border);padding:0.75rem 1.25rem;display:flex;justify-content:space-between;align-items:center}
.panel-top span{font-size:0.8rem;font-weight:600;color:var(--muted)}
.panel-body{padding:1.25rem;max-height:520px;overflow-y:auto;font-size:12.5px;line-height:1.8}
.panel-body::-webkit-scrollbar{width:5px}
.panel-body::-webkit-scrollbar-thumb{background:#ddd;border-radius:3px}
.txt-block{padding:4px 8px;border-radius:5px;color:#b45309;white-space:pre-wrap;word-break:break-word;transition:background 0.15s;font-family:monospace}
.txt-block:hover{background:#fffbeb}
.txt-block.suspicious{color:#dc2626;background:#fff5f5;border-left:3px solid #dc2626;padding-left:12px}
.txt-block.hidden-txt{color:#ea580c;background:#fff7ed;border-left:3px solid #ea580c;padding-left:12px}
.w-badge{display:inline-block;font-size:9px;padding:2px 6px;background:#fee2e2;color:#dc2626;border-radius:3px;margin-left:6px;font-weight:600;vertical-align:middle;font-family:sans-serif}
mark.highlight{background:#fef9c3;border-radius:2px}

/* THANK YOU */
.thankyou{display:none;text-align:center;padding:4rem 2rem 2rem;max-width:560px;margin:0 auto}
.check-anim{width:80px;height:80px;background:#f0fdf4;border:2px solid #bbf7d0;border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 1.5rem;font-size:2rem;animation:pop-in 0.5s cubic-bezier(0.175,0.885,0.32,1.275) forwards}
@keyframes pop-in{0%{transform:scale(0);opacity:0}100%{transform:scale(1);opacity:1}}
.thankyou h2{font-size:1.8rem;font-weight:700;margin-bottom:0.5rem;letter-spacing:-0.5px}
.thankyou p{color:var(--muted);margin-bottom:2rem;font-size:0.95rem}
.ty-btns{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}

/* FOOTER */
.footer { margin-top: 2rem; background-color: #0B192C; border-top: none; padding: 40px 0 20px; text-align: center; color: #A0ABC0; font-size: 14px; }
.footer-container { max-width: 1140px; margin: 0 auto; padding: 0 20px; }
.footer-links { display: flex; justify-content: center; gap: 25px; margin-bottom: 20px; flex-wrap: wrap; }
.footer-links a { color: #E2E8F0; text-decoration: none; transition: all 0.25s ease-in-out; }
.footer-links a:hover { color: #FFFFFF; }

/* RESPONSIVE */
@media(max-width:768px){
  .header-container { flex-direction: column; gap: 15px; }
  .main-nav { flex-wrap: wrap; justify-content: center; gap: 15px; }
  .stats-row{grid-template-columns:repeat(2,1fr)}
  .hero{padding:3rem 1.5rem 2.5rem}
  .section{padding:3rem 1.5rem}
}