:root{
  --bg: #0B1210;
  --surface: #141F1C;
  --surface-2: #1B2A26;
  --accent: #FF6B4A;
  --accent-dim: #7A3628;
  --success: #4ADE80;
  --danger: #F87171;
  --text: #F2F5F3;
  --text-dim: #8A9691;
  --border: #223330;
}
*{ margin:0; padding:0; box-sizing:border-box; }
body{
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', sans-serif;
  min-height: 100vh;
  overflow-x: hidden;
}
.mono{ font-family: 'JetBrains Mono', monospace; }
a{ color: inherit; }

/* ---------- NAV ---------- */
nav{
  display:flex; align-items:center; justify-content:space-between;
  padding: 20px 24px;
  max-width: 1100px; margin: 0 auto;
}
.logo img{ height: 22px; display:block; }
.nav-links{
  display:flex; gap:24px; align-items:center;
  font-size: 14px; color: var(--text-dim);
}
.nav-links a{ text-decoration:none; }
.coffee-btn{
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  display:inline-flex; align-items:center; gap:6px;
}

/* ---------- HERO ---------- */
.hero{
  max-width: 1100px;
  margin: 0 auto;
  padding: 40px 24px 40px;
  text-align: center;
}
.eyebrow{
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--accent);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 20px;
}
h1{
  font-family: 'Archivo Black', sans-serif;
  font-size: clamp(36px, 7vw, 64px);
  line-height: 1.05;
  letter-spacing: -1.5px;
  margin-bottom: 18px;
}
h1 .accent{ color: var(--accent); }
.hero p{
  color: var(--text-dim);
  font-size: 17px;
  max-width: 480px;
  margin: 0 auto 44px;
  line-height: 1.5;
}

/* ---------- DROPZONE ---------- */
.dropzone{
  max-width: 640px;
  margin: 0 auto;
  border: 2px dashed var(--border);
  border-radius: 20px;
  padding: 56px 32px;
  background: var(--surface);
  position: relative;
  cursor: pointer;
  transition: border-color 0.25s ease, transform 0.2s ease;
}
.dropzone.drag-over{ border-color: var(--accent); transform: translateY(-2px); background: var(--surface-2); }
.dropzone.processing{ cursor: default; border-color: var(--accent-dim); }
.dz-icon{
  width: 56px; height: 56px;
  margin: 0 auto 20px;
  display:flex; align-items:center; justify-content:center;
  border-radius: 50%;
  background: var(--surface-2);
  border: 1px solid var(--border);
}
.dz-icon.spinning svg{ animation: spin 1s linear infinite; }
@keyframes spin{ to{ transform: rotate(360deg); } }
.dz-title{ font-size: 17px; font-weight: 600; margin-bottom: 6px; }
.dz-sub{ font-size: 13px; color: var(--text-dim); }
.dz-formats{
  margin-top: 24px;
  display:flex; gap:10px; justify-content:center; flex-wrap: wrap;
}
.format-chip{
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  padding: 5px 10px;
  border-radius: 6px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text-dim);
}
.format-chip.active{ color: var(--accent); border-color: var(--accent-dim); }

/* ---------- TRUST LINE ---------- */
.trust-line{
  display:flex; align-items:center; justify-content:center; gap: 8px;
  margin-top: 28px;
  font-size: 12.5px;
  color: var(--text-dim);
  flex-wrap: wrap;
}
.trust-line .dot{ width:4px; height:4px; border-radius:50%; background: var(--text-dim); }

/* ---------- RESULT PANEL ---------- */
.result-panel{
  max-width: 640px;
  margin: 32px auto 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
  text-align: left;
}
.result-panel.hidden{ display:none; }
.result-header{
  display:flex; align-items:center; gap:10px;
  margin-bottom: 18px;
}
.result-icon{
  width: 32px; height: 32px;
  border-radius: 50%;
  display:flex; align-items:center; justify-content:center;
  flex-shrink: 0;
}
.result-icon.ok{ background: rgba(74,222,128,0.15); color: var(--success); }
.result-icon.warn{ background: rgba(255,107,74,0.15); color: var(--accent); }
.result-icon.error{ background: rgba(248,113,113,0.15); color: var(--danger); }
.result-title{ font-weight: 600; font-size: 16px; }
.result-sub{ font-size: 13px; color: var(--text-dim); }
.result-stats{
  display:flex; gap: 12px;
  margin-bottom: 18px;
}
.stat-box{
  flex: 1;
  background: var(--surface-2);
  border-radius: 10px;
  padding: 12px;
  text-align: center;
}
.stat-num{ font-family: 'JetBrains Mono', monospace; font-size: 22px; font-weight: 700; }
.stat-num.ok{ color: var(--success); }
.stat-num.bad{ color: var(--danger); }
.stat-label{ font-size: 11px; color: var(--text-dim); margin-top: 2px; }
.file-list{
  max-height: 220px;
  overflow-y: auto;
  border-top: 1px solid var(--border);
  padding-top: 12px;
  margin-bottom: 20px;
}
.file-row{
  display:flex; align-items:center; gap: 10px;
  padding: 6px 0;
  font-size: 13px;
  font-family: 'JetBrains Mono', monospace;
}
.file-row .status{ flex-shrink:0; width:14px; }
.file-row.saved .status{ color: var(--success); }
.file-row.lost .status{ color: var(--danger); }
.file-row.lost .fname{ color: var(--text-dim); text-decoration: line-through; }
.download-btn{
  display:block;
  width: 100%;
  background: var(--accent);
  color: #0B1210;
  border: none;
  padding: 14px;
  border-radius: 10px;
  font-weight: 700;
  font-size: 15px;
  cursor: pointer;
  text-align: center;
  text-decoration: none;
}
.download-btn:hover{ opacity: 0.9; }
.retry-line{
  text-align:center;
  margin-top: 14px;
  font-size: 13px;
  color: var(--text-dim);
}
.retry-line button{
  background: none; border: none; color: var(--accent);
  cursor: pointer; font-size: 13px; text-decoration: underline;
}

/* ---------- HOW IT WORKS ---------- */
.how{
  max-width: 900px;
  margin: 90px auto 0;
  padding: 0 24px;
}
.how-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 32px;
}
.how-card{
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px 20px;
}
.how-label{
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--accent);
  margin-bottom: 12px;
}
.how-card h3{ font-size: 15px; margin-bottom: 8px; }
.how-card p{ font-size: 13px; color: var(--text-dim); line-height: 1.5; }

.section-title{
  font-family: 'Archivo Black', sans-serif;
  font-size: 22px;
  letter-spacing: -0.5px;
}

/* ---------- ADS ---------- */
.banner-ad{
  max-width: 1100px;
  margin: 90px auto 0;
  padding: 0 24px;
}
.banner-top{ margin-top: 10px; }
.ad-slot{
  border: 1px dashed var(--border);
  border-radius: 12px;
  padding: 18px;
  text-align:center;
  font-size: 11px;
  font-family: 'JetBrains Mono', monospace;
  color: var(--text-dim);
  letter-spacing: 1px;
}

footer{
  max-width: 1100px; margin: 60px auto 0; padding: 30px 24px;
  display:flex; justify-content:center; align-items:center;
  border-top: 1px solid var(--border);
  font-size: 12px; color: var(--text-dim);
  text-align: center;
}

@media (max-width: 640px){
  .how-grid{ grid-template-columns: 1fr; }
  .nav-links{ display:none; }
  .result-stats{ flex-direction: column; }
}