/* === AI Defense — Complete Redesign v3 === */
:root{
  --bg:#0a0a12;
  --surface:rgba(255,255,255,.045);
  --surface2:rgba(255,255,255,.08);
  --border:rgba(255,255,255,.1);
  --text:#f1f5f9;
  --text2:#a1a1b5;
  --text3:#6b6b80;
  --violet:#8b5cf6;
  --indigo:#6366f1;
  --cyan:#22d3ee;
  --radius:18px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  background:
    radial-gradient(1000px 500px at 85% -5%, rgba(139,92,246,.14), transparent 60%),
    radial-gradient(800px 450px at 5% 10%, rgba(99,102,241,.1), transparent 55%),
    radial-gradient(900px 500px at 50% 120%, rgba(34,211,238,.06), transparent 60%),
    var(--bg);
  background-attachment:fixed;
  color:var(--text);line-height:1.6;min-height:100vh;
}
a{color:#a5b4fc;text-decoration:none}
.wrap{max-width:1140px;margin:0 auto;padding:0 24px}

/* ── Header ── */
.bar{background:rgba(10,10,18,.72);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-bottom:1px solid var(--border);padding:15px 0;position:sticky;top:0;z-index:100}
.bar .wrap{display:flex;align-items:center;justify-content:space-between}
.brand{font-size:1.22rem;font-weight:800;letter-spacing:-.02em;color:var(--text);display:flex;align-items:center;gap:9px}
.brand .logo{width:30px;height:30px;border-radius:9px;background:linear-gradient(135deg,#6366f1,#8b5cf6);display:flex;align-items:center;justify-content:center;font-size:16px;box-shadow:0 4px 18px rgba(99,102,241,.45)}
nav{display:flex;gap:24px}nav a{color:var(--text2);font-size:.88rem;font-weight:500;transition:color .2s}
nav a:hover{color:var(--text)}
.lang-switcher select{background:var(--surface2);color:var(--text);border:1px solid var(--border);border-radius:9px;padding:6px 10px;font-size:.82rem;cursor:pointer;color-scheme:dark}
.lang-switcher select:focus{outline:none;border-color:var(--indigo)}
.lang-switcher select option{background:#1e293b;color:#e2e8f0}

/* ── Hero (full design) ── */
.hero{position:relative;padding:96px 0 64px;text-align:center}
.hero .badge{display:inline-flex;align-items:center;gap:9px;padding:8px 20px;border-radius:999px;border:1px solid rgba(139,92,246,.45);background:rgba(139,92,246,.1);color:#c4b5fd;font-size:.76rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;margin-bottom:28px}
.hero .badge .dot{width:7px;height:7px;border-radius:50%;background:linear-gradient(135deg,#8b5cf6,#22d3ee);box-shadow:0 0 14px rgba(139,92,246,.9);animation:pulse 2.2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.hero h1{font-size:clamp(2.4rem,5.5vw,4rem);font-weight:800;letter-spacing:-.04em;line-height:1.06;max-width:860px;margin:0 auto;
  background:linear-gradient(135deg,#ffffff 20%,#c4b5fd 55%,#22d3ee 100%);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero .sub{color:var(--text2);font-size:clamp(1rem,1.7vw,1.2rem);max-width:680px;margin:22px auto 0;line-height:1.75}
.hero-cta{display:flex;justify-content:center;gap:14px;margin:36px 0 0;flex-wrap:wrap}
.btn-primary{display:inline-flex;align-items:center;gap:8px;padding:14px 32px;border-radius:12px;font-size:.95rem;font-weight:600;color:#fff;background:linear-gradient(135deg,#6366f1,#8b5cf6);box-shadow:0 10px 34px rgba(99,102,241,.4);transition:all .25s}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 44px rgba(99,102,241,.55)}
.btn-ghost{display:inline-flex;align-items:center;gap:8px;padding:14px 32px;border-radius:12px;font-size:.95rem;font-weight:600;color:var(--text);border:1px solid var(--border);background:var(--surface);transition:all .25s}
.btn-ghost:hover{border-color:rgba(139,92,246,.5);background:rgba(139,92,246,.08)}
.stats{display:flex;justify-content:center;gap:64px;margin:52px 0 0;flex-wrap:wrap}
.stat{text-align:center}
.stat b{font-size:2.4rem;font-weight:800;letter-spacing:-.03em;background:linear-gradient(135deg,#a5b4fc,#22d3ee);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.stat span{display:block;color:var(--text3);font-size:.72rem;margin-top:5px;letter-spacing:.16em;text-transform:uppercase;font-weight:600}

/* ── Sections (uniform, centered) ── */
.section{padding:56px 0 8px}
.section-head{text-align:center;margin-bottom:36px}
.section-head .kicker{display:inline-block;color:var(--violet);font-size:.74rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase;margin-bottom:10px}
.section-head h2{font-size:clamp(1.6rem,3vw,2.2rem);font-weight:800;letter-spacing:-.03em}
.section-head p{color:var(--text2);font-size:.98rem;margin-top:10px}

/* Section pill tabs (Free/AI) */
.section-tabs{display:flex;justify-content:center;gap:6px;margin:0 auto 32px;padding:6px;width:fit-content;background:var(--surface);border:1px solid var(--border);border-radius:999px}
.sec-tab{padding:12px 32px;border-radius:999px;color:var(--text2);font-size:.9rem;font-weight:600;background:transparent;transition:all .25s;display:inline-flex;align-items:center;gap:8px}
.sec-tab:hover{color:#e2e8f0}
.sec-tab.active{background:linear-gradient(135deg,#6366f1,#8b5cf6);color:#fff;box-shadow:0 8px 30px rgba(99,102,241,.45)}

/* Tool tabs */
.tools-tabs{display:flex;justify-content:center;gap:6px;flex-wrap:wrap;margin-bottom:36px}
.tab-btn{background:var(--surface);color:var(--text2);border:1px solid var(--border);padding:11px 24px;border-radius:999px;font-size:.88rem;font-weight:500;transition:all .25s}
.tab-btn:hover{color:#e2e8f0;border-color:rgba(139,92,246,.45)}
.tab-btn.active{color:#fff;border-color:transparent;background:linear-gradient(135deg,#6366f1,#8b5cf6);box-shadow:0 6px 22px rgba(99,102,241,.4)}

/* Category pills (>7 tools mode) */
.cat-pills{display:flex;justify-content:center;gap:8px;flex-wrap:wrap;margin-bottom:32px}
.pill{background:var(--surface);color:var(--text2);border:1px solid var(--border);padding:10px 22px;border-radius:999px;font-size:.88rem;font-weight:600;transition:all .25s}
.pill:hover{color:#e2e8f0;border-color:rgba(139,92,246,.45);transform:translateY(-1px)}
.pill.active{background:linear-gradient(135deg,#6366f1,#8b5cf6);color:#fff;border-color:transparent;box-shadow:0 8px 24px rgba(99,102,241,.35)}

/* ── Card grids (centered) ── */
.tool-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(255px,1fr));gap:18px;max-width:100%}
.tool-grid a.card{position:relative;display:flex;flex-direction:column;gap:8px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px;transition:all .3s;color:var(--text);overflow:hidden;text-decoration:none}
.tool-grid a.card::before{content:'';position:absolute;inset:0;background:linear-gradient(140deg,rgba(99,102,241,.16),rgba(34,211,238,.06));opacity:0;transition:opacity .3s}
.tool-grid a.card:hover{transform:translateY(-5px);border-color:rgba(139,92,246,.55);box-shadow:0 20px 50px rgba(0,0,0,.5);text-decoration:none}
.tool-grid a.card:hover::before{opacity:1}
.tool-grid .card h3{position:relative;font-size:1.02rem;font-weight:600;color:#e2e8f0;letter-spacing:-.01em}
.tool-grid .card p{position:relative;color:var(--text2);font-size:.85rem;line-height:1.55}

.cat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px;max-width:100%}
.cat-card{display:flex;flex-direction:column;align-items:center;gap:11px;padding:32px 18px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);transition:all .3s;color:var(--text)}
.cat-card:hover{transform:translateY(-4px);border-color:rgba(139,92,246,.6);background:rgba(139,92,246,.08);box-shadow:0 16px 42px rgba(0,0,0,.45);text-decoration:none}
.cat-icon{font-size:2.5rem;filter:drop-shadow(0 6px 18px rgba(99,102,241,.4))}
.cat-name{font-weight:600;color:#e2e8f0;font-size:.96rem}
.cat-count{color:var(--text3);font-size:.76rem;font-weight:500}

/* ── Tool pages ── */
.tool-page-hero{padding:56px 0 8px;text-align:center}
.tool-page-hero h1{font-size:clamp(1.8rem,3.5vw,2.6rem);font-weight:800;letter-spacing:-.03em}
.tool-page-hero .sub{color:var(--text2);font-size:1.02rem;margin-top:10px}
.tab-content{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:28px;position:relative;overflow:hidden;margin:28px 0}
.cat-badge{display:inline-block;margin-top:14px;background:rgba(139,92,246,.12);border:1px solid rgba(139,92,246,.4);border-radius:999px;padding:5px 16px;font-size:.78rem;font-weight:500}
.cat-badge a{color:#c4b5fd}
.related{margin-top:28px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px}
.related h2{font-size:1.1rem;margin-bottom:14px}
.related ul{list-style:none;display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:9px}
.related li a{display:block;padding:10px 14px;background:var(--surface2);border-radius:9px;color:var(--text2);font-size:.85rem;transition:all .2s}
.related li a:hover{color:var(--text);border-color:rgba(139,92,246,.4)}

/* Tool detail page extras */
.features{margin-top:24px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:22px}
.features h2{font-size:1.1rem;margin-bottom:12px}
.features ul{padding-left:20px;color:var(--text2);line-height:1.9}
.about{margin-top:24px}
.about h2{font-size:1.1rem;margin-bottom:10px}
.about p{color:var(--text2);line-height:1.8}
.td-url{margin-top:20px;text-align:center}
.td-url a{display:inline-flex;align-items:center;gap:8px;background:linear-gradient(135deg,#6366f1,#8b5cf6);color:#fff;padding:12px 28px;border-radius:11px;font-weight:600;box-shadow:0 8px 26px rgba(99,102,241,.35);transition:all .25s}
.td-url a:hover{transform:translateY(-2px);box-shadow:0 12px 34px rgba(99,102,241,.5)}

/* Scanner panels */
.scanner h2{font-size:1.35rem;font-weight:700;margin-bottom:4px}
.scanner-desc{color:var(--text2);font-size:.9rem;margin-bottom:16px}
.scanner-box textarea{width:100%;max-width:100%;padding:15px;border:1px solid var(--border);border-radius:12px;background:var(--surface2);color:var(--text);font-size:.9rem;line-height:1.65;resize:vertical;box-sizing:border-box;font-family:inherit}
.scanner-box textarea:focus{outline:none;border-color:var(--violet)}
.btn{background:linear-gradient(135deg,#6366f1,#8b5cf6);color:#fff;border:none;padding:12px 32px;border-radius:11px;cursor:pointer;font-size:.9rem;font-weight:600;margin:14px 0;transition:all .25s;box-shadow:0 8px 26px rgba(99,102,241,.35)}
.btn:hover{transform:translateY(-1px);box-shadow:0 12px 34px rgba(99,102,241,.5)}
.scan-results{margin-top:12px}
.sr-header{display:flex;align-items:baseline;gap:12px;margin-bottom:8px}
.sr-score{font-size:2.3rem;font-weight:800}
.sr-label{font-size:1rem;font-weight:500}
.sr-bar{height:8px;background:var(--surface2);border-radius:5px;margin-bottom:12px;overflow:hidden}
.sr-fill{height:100%;border-radius:5px;transition:width .4s}
.sr-details{display:grid;grid-template-columns:1fr 1fr;gap:6px;font-size:.84rem;color:var(--text2);margin-bottom:10px}
.sr-details strong{color:var(--text)}
.sr-hint{color:var(--text2);font-size:.75rem}
.sr-note{font-size:.8rem;color:var(--text2);font-style:italic;margin-top:8px;padding:8px;background:var(--surface2);border-radius:7px}
.scan-info{margin-top:14px;padding:15px;background:var(--surface2);border-radius:11px;font-size:.85rem;color:var(--text2);line-height:1.65}
.img-upload{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.img-upload input[type=file]{flex:1;padding:10px;background:var(--surface2);border:1px solid var(--border);border-radius:9px;color:var(--text);font-size:.85rem}
.img-upload .btn{flex-shrink:0}
.sr-reason{margin-top:8px;padding:10px;background:var(--surface2);border-radius:9px;font-size:.85rem;color:var(--text);line-height:1.5}
.page-content{padding:20px 0;line-height:1.8;max-width:720px;margin:0 auto}
.page-content h2{font-size:1.3rem;margin:20px 0 10px}

/* Login */
.login-area{display:flex;align-items:center;gap:6px}
.btn-login{padding:7px 14px;border-radius:9px;border:none;cursor:pointer;font-size:.8rem;font-weight:600;color:#fff;transition:all .2s;display:inline-flex;align-items:center;gap:6px;text-decoration:none}
.btn-login:hover{opacity:.88;transform:translateY(-1px);text-decoration:none}
.btn-google{background:#4285f4}
.btn-github{background:#24292e}
.user-info{display:flex;align-items:center;gap:6px}
.user-avatar{width:24px;height:24px;border-radius:50%;object-fit:cover}
.user-avatar-placeholder{width:24px;height:24px;border-radius:50%;background:var(--indigo);color:#fff;display:flex;align-items:center;justify-content:center;font-size:.7rem;font-weight:600}
.user-name{font-size:.8rem;color:var(--text2);max-width:80px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.btn-logout{background:transparent;border:1px solid var(--border);color:var(--text2);padding:4px 10px;border-radius:7px;cursor:pointer;font-size:.74rem}
.btn-logout:hover{color:var(--text);border-color:var(--text2)}
.login-overlay{position:absolute;top:0;left:0;right:0;bottom:0;background:rgba(10,10,18,.9);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;z-index:10;border-radius:var(--radius)}
.login-overlay-inner{text-align:center;padding:30px}
.lo-icon{font-size:2.8rem;display:block;margin-bottom:12px;filter:drop-shadow(0 4px 18px rgba(99,102,241,.5))}
.login-overlay h3{margin-bottom:8px;font-size:1.15rem;font-weight:700}
.login-overlay p{color:var(--text2);font-size:.85rem;margin-bottom:18px}
.lo-buttons{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}

/* GLTR */
.gltr-text{line-height:1.9;padding:12px;background:var(--surface2);border-radius:9px;font-size:.95rem;word-break:break-word}
.gltr-red{background:rgba(239,68,68,.25);color:#fca5a5;border-bottom:2px solid #ef4444;padding:1px 0}
.gltr-amber{background:rgba(245,158,11,.2);color:#fcd34d;border-bottom:2px solid #f59e0b;padding:1px 0}
.gltr-green{color:var(--text)}
.gltr-score{text-align:center;padding:16px;font-size:1.3rem;font-weight:700;border-radius:11px;margin-bottom:12px}
.gltr-score .gltr-pct{font-size:2rem;display:block}
.score-high{background:rgba(239,68,68,.15);color:#fca5a5}
.score-mid{background:rgba(245,158,11,.15);color:#fcd34d}
.score-low{background:rgba(34,197,94,.15);color:#86efac}
.gltr-stats{display:flex;gap:16px;justify-content:center;margin-bottom:12px;font-size:.85rem;color:var(--text2)}
.gltr-legend{display:flex;gap:16px;justify-content:center;margin-bottom:12px;font-size:.78rem}
.gltr-legend-red{color:#fca5a5}
.gltr-legend-amber{color:#fcd34d}
.gltr-legend-green{color:var(--text2)}

/* Code Detector */
.cd-findings{display:flex;flex-direction:column;gap:6px;margin:12px 0}
.cd-finding{display:flex;align-items:center;gap:8px;padding:8px 10px;border-radius:9px;font-size:.82rem;flex-wrap:wrap}
.cd-high{background:rgba(239,68,68,.12)}
.cd-mid{background:rgba(245,158,11,.12)}
.cd-low{background:rgba(34,197,94,.1)}
.cd-fname{font-weight:600;flex-shrink:0}
.cd-fdesc{color:var(--text2);font-size:.78rem;flex:1;min-width:120px}
.cd-fscore{font-weight:700;font-size:.78rem;padding:2px 6px;border-radius:5px}
.cd-high .cd-fscore{color:#fca5a5;background:rgba(239,68,68,.2)}
.cd-mid .cd-fscore{color:#fcd34d;background:rgba(245,158,11,.2)}
.cd-low .cd-fscore{color:#86efac;background:rgba(34,197,94,.2)}

footer{border-top:1px solid var(--border);padding:34px 0;text-align:center;color:var(--text3);font-size:.85rem;margin-top:60px}

@media(max-width:760px){
  .hero{padding:64px 0 40px}
  .hero-cta{flex-direction:column;align-items:center}
  .stats{gap:36px}
  .stat b{font-size:1.9rem}
  .tool-grid{grid-template-columns:1fr}
  .cat-grid{grid-template-columns:1fr 1fr}
  .section-tabs{width:100%}
  .sec-tab{flex:1;justify-content:center;padding:11px 10px;font-size:.82rem}
  nav{gap:14px}
  nav a{font-size:.8rem}
}