:root {
  --bg: #0b0e14;
  --bg-soft: #11151d;
  --card: #161b26;
  --border: #232937;
  --text: #e7ebf3;
  --muted: #8b94a7;
  --accent: #6d5efc;
  --accent-2: #22d3ee;
  --success: #34d399;
  --danger: #f87171;
  --radius: 14px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: radial-gradient(circle at 20% 0%, #1a1030 0%, var(--bg) 45%);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, sans-serif;
  line-height: 1.5;
}

.container { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

/* NAV */
.nav {
  border-bottom: 1px solid var(--border);
  background: rgba(11,14,20,0.85);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 10;
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 18px; }
.brand-icon {
  display: inline-grid; place-items: center;
  width: 28px; height: 28px; border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  font-size: 14px;
}
.nav-links { display: flex; gap: 28px; }
.nav-links a { color: var(--muted); text-decoration: none; font-size: 14px; transition: color .2s; }
.nav-links a:hover { color: var(--text); }

.btn {
  border: none; cursor: pointer; border-radius: 10px;
  padding: 12px 20px; font-weight: 600; font-size: 14px;
  transition: transform .15s, opacity .15s;
}
.btn:disabled { opacity: .4; cursor: not-allowed; }
.btn:not(:disabled):hover { transform: translateY(-1px); }
.btn-primary { background: linear-gradient(135deg, var(--accent), #8b7bff); color: white; }
.btn-small { padding: 9px 16px; font-size: 13px; }

/* HERO */
.hero { text-align: center; padding: 90px 0 60px; }
.badge {
  display: inline-block; padding: 6px 14px; border-radius: 999px;
  background: var(--card); border: 1px solid var(--border);
  color: var(--accent-2); font-size: 13px; margin-bottom: 24px;
}
.hero h1 { font-size: 48px; margin: 0 0 18px; letter-spacing: -1px; }
.accent { background: linear-gradient(135deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.subtitle { color: var(--muted); font-size: 18px; max-width: 560px; margin: 0 auto; }

/* TOOLS */
.tools { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; padding: 40px 24px 80px; }
.card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 26px; display: flex; flex-direction: column; gap: 12px;
  transition: border-color .2s;
}
.card:hover { border-color: var(--accent); }
.card-icon { font-size: 30px; }
.card h3 { margin: 0; font-size: 19px; }
.card p { margin: 0; color: var(--muted); font-size: 14px; min-height: 40px; }

.dropzone {
  border: 1.5px dashed var(--border); border-radius: 10px;
  padding: 22px 12px; text-align: center; cursor: pointer;
  color: var(--muted); font-size: 13px; transition: border-color .2s, background .2s;
}
.dropzone:hover, .dropzone.drag { border-color: var(--accent); background: rgba(109,94,252,0.06); }
.dz-text.has-file { color: var(--success); font-weight: 600; }

.status { font-size: 13px; min-height: 18px; color: var(--muted); }
.status.error { color: var(--danger); }
.status.success { color: var(--success); }

/* HOW */
.how { text-align: center; padding: 20px 24px 80px; }
.how h2, .faq h2 { font-size: 28px; margin-bottom: 32px; }
.steps { display: flex; gap: 24px; justify-content: center; flex-wrap: wrap; }
.step { max-width: 220px; }
.step-num {
  width: 36px; height: 36px; border-radius: 50%; margin: 0 auto 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  display: grid; place-items: center; font-weight: 700;
}
.step p { color: var(--muted); font-size: 14px; margin: 0; }

/* FAQ */
.faq { padding: 20px 24px 80px; max-width: 700px; margin: 0 auto; }
.faq details {
  background: var(--card); border: 1px solid var(--border); border-radius: 10px;
  padding: 14px 18px; margin-bottom: 10px;
}
.faq summary { cursor: pointer; font-weight: 600; font-size: 15px; }
.faq p { color: var(--muted); font-size: 14px; margin: 10px 0 0; }

/* AD SLOTS */
.ad-slot {
  margin: 30px auto;
  min-height: 90px;
  display: flex; align-items: center; justify-content: center;
  border: 1px dashed var(--border); border-radius: 10px;
  background: var(--bg-soft);
}
.ad-placeholder { color: var(--muted); font-size: 12px; letter-spacing: .5px; text-transform: uppercase; }

/* FOOTER */
.footer { border-top: 1px solid var(--border); padding: 28px 0; text-align: center; color: var(--muted); font-size: 13px; }
.footer-links { margin-top: 8px; }
.footer-links a { color: var(--muted); text-decoration: none; }
.footer-links a:hover { color: var(--text); }