/* ═══════════════ RESET & BASE ═══════════════ */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
  --bg:#0a0a1a;--bg2:#0f172a;--bg3:#1e293b;--card:rgba(15,23,42,.7);
  --cyan:#06b6d4;--purple:#8b5cf6;--blue:#3b82f6;--green:#10b981;
  --red:#ef4444;--amber:#f59e0b;--pink:#ec4899;
  --text:#e2e8f0;--text2:#94a3b8;--text3:#64748b;
  --grad:linear-gradient(135deg,var(--cyan),var(--purple));
  --radius:12px;--radius2:16px;
  --shadow:0 8px 32px rgba(0,0,0,.3);
  --glow:0 0 20px rgba(6,182,212,.15);
}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:'Inter',sans-serif;background:var(--bg);color:var(--text);line-height:1.6;overflow-x:hidden}
a{text-decoration:none;color:inherit}
img{max-width:100%}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
code{font-family:'JetBrains Mono',monospace;background:var(--bg3);padding:2px 8px;border-radius:6px;font-size:.85em;color:var(--cyan)}

/* ═══════════════ NAVBAR ═══════════════ */
.navbar{position:fixed;top:0;left:0;right:0;z-index:1000;padding:16px 0;transition:all .3s}
.navbar.scrolled{background:rgba(10,10,26,.95);backdrop-filter:blur(20px);border-bottom:1px solid rgba(6,182,212,.1);padding:10px 0}
.nav-container{max-width:1200px;margin:0 auto;padding:0 20px;display:flex;align-items:center;justify-content:space-between}
.nav-logo{display:flex;align-items:center;gap:10px;font-size:1.4rem;font-weight:800;color:#fff}
.nav-logo i{color:var(--cyan);font-size:1.5rem}
.logo-dot{color:var(--cyan)}
.nav-links{display:flex;list-style:none;gap:8px}
.nav-links a{padding:8px 16px;border-radius:8px;font-size:.9rem;font-weight:500;color:var(--text2);transition:all .3s}
.nav-links a:hover,.nav-links a.active{color:#fff;background:rgba(6,182,212,.1)}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:5px}
.nav-toggle span{width:24px;height:2px;background:var(--text);border-radius:2px;transition:all .3s}

/* ═══════════════ HERO ═══════════════ */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;justify-content:center;overflow:hidden;padding:100px 20px 60px}
.hero-bg{position:absolute;inset:0;z-index:0}
.grid-overlay{position:absolute;inset:0;background-image:linear-gradient(rgba(6,182,212,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(6,182,212,.05) 1px,transparent 1px);background-size:60px 60px}
.floating-particles{position:absolute;inset:0}
.particle{position:absolute;width:4px;height:4px;background:var(--cyan);border-radius:50%;opacity:.4;animation:float 6s ease-in-out infinite}
@keyframes float{0%,100%{transform:translateY(0) scale(1);opacity:.4}50%{transform:translateY(-30px) scale(1.5);opacity:.8}}
.hero-content{position:relative;z-index:1;text-align:center;max-width:800px}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:8px 20px;border-radius:50px;background:rgba(6,182,212,.1);border:1px solid rgba(6,182,212,.2);font-size:.85rem;color:var(--cyan);margin-bottom:24px}
.hero-title{font-size:clamp(2.5rem,6vw,4.5rem);font-weight:900;line-height:1.1;margin-bottom:20px;color:#fff}
.gradient-text{background:var(--grad);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-subtitle{font-size:1.1rem;color:var(--text2);max-width:600px;margin:0 auto 40px;line-height:1.7}
.hero-subtitle strong{color:var(--cyan)}
.hero-stats{display:flex;justify-content:center;gap:40px;margin-bottom:40px}
.stat-item{text-align:center}
.stat-number{display:block;font-size:2.2rem;font-weight:800;background:var(--grad);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.stat-label{font-size:.8rem;color:var(--text3);text-transform:uppercase;letter-spacing:1px}
.hero-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 28px;border-radius:10px;font-weight:600;font-size:.95rem;border:none;cursor:pointer;transition:all .3s}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 4px 20px rgba(6,182,212,.3)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 30px rgba(6,182,212,.4)}
.btn-outline{background:transparent;color:var(--text);border:1px solid var(--bg3)}
.btn-outline:hover{border-color:var(--cyan);color:var(--cyan)}
.btn-sm{padding:8px 16px;font-size:.85rem}

/* Scroll Indicator */
.scroll-indicator{position:absolute;bottom:30px;left:50%;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:8px;color:var(--text3);font-size:.75rem;animation:bounce 2s infinite}
.mouse{width:24px;height:38px;border:2px solid var(--text3);border-radius:12px;position:relative}
.wheel{width:4px;height:8px;background:var(--text3);border-radius:2px;position:absolute;top:6px;left:50%;transform:translateX(-50%);animation:scroll 2s infinite}
@keyframes scroll{0%{opacity:1;top:6px}100%{opacity:0;top:20px}}
@keyframes bounce{0%,100%{transform:translateX(-50%) translateY(0)}50%{transform:translateX(-50%) translateY(8px)}}

/* ═══════════════ SECTIONS ═══════════════ */
.section{padding:100px 0}
.section-dark{background:var(--bg2)}
.section-header{text-align:center;margin-bottom:60px}
.section-tag{display:inline-flex;align-items:center;gap:8px;padding:6px 16px;border-radius:50px;background:rgba(6,182,212,.1);border:1px solid rgba(6,182,212,.15);font-size:.8rem;color:var(--cyan);margin-bottom:16px;font-weight:500}
.section-title{font-size:clamp(1.8rem,4vw,2.8rem);font-weight:800;color:#fff;margin-bottom:12px}
.section-desc{color:var(--text2);max-width:600px;margin:0 auto;font-size:1rem}

/* ═══════════════ SCANNER ═══════════════ */
.scanner-card{background:var(--card);backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,.05);border-radius:var(--radius2);padding:32px;box-shadow:var(--shadow)}
.scan-form{display:flex;flex-direction:column;gap:16px}
.input-wrapper{display:flex;align-items:center;background:var(--bg);border:2px solid var(--bg3);border-radius:var(--radius);padding:4px 4px 4px 16px;transition:border-color .3s;gap:12px}
.input-wrapper:focus-within{border-color:var(--cyan);box-shadow:var(--glow)}
.input-icon{color:var(--text3);font-size:1.1rem}
#urlInput{flex:1;background:none;border:none;color:#fff;font-size:1rem;padding:12px 0;outline:none;font-family:'Inter',sans-serif}
#urlInput::placeholder{color:var(--text3)}
.btn-scan{padding:12px 24px;background:var(--grad);color:#fff;border:none;border-radius:10px;font-weight:600;font-size:.9rem;cursor:pointer;white-space:nowrap;transition:all .3s;font-family:'Inter',sans-serif}
.btn-scan:hover{transform:scale(1.02);box-shadow:0 4px 20px rgba(6,182,212,.3)}
.btn-scan .btn-loading{display:none}
.btn-scan.loading .btn-text{display:none}
.btn-scan.loading .btn-loading{display:inline-flex;align-items:center;gap:6px}
.quick-test{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:.85rem;color:var(--text3)}
.chip{padding:6px 14px;border-radius:50px;font-size:.8rem;border:1px solid var(--bg3);background:var(--bg);color:var(--text2);cursor:pointer;transition:all .3s;font-family:'Inter',sans-serif}
.chip:hover{border-color:var(--cyan);color:var(--cyan)}
.chip-danger:hover{border-color:var(--red);color:var(--red)}

/* ═══════════════ RESULT PANEL ═══════════════ */
.result-panel{margin-top:40px;animation:fadeUp .5s ease}
@keyframes fadeUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
.result-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-bottom:24px}
.result-card{background:var(--card);backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,.05);border-radius:var(--radius2);padding:28px;box-shadow:var(--shadow)}
.result-main{text-align:center}

/* Gauge */
.gauge-container{position:relative;width:200px;margin:0 auto 16px}
.gauge-svg{width:100%;display:block}
.gauge-bg{stroke:var(--bg3)}
.gauge-fill{stroke:var(--cyan);stroke-dasharray:251;stroke-dashoffset:251;transition:stroke-dashoffset 1.5s ease,stroke .5s}
.gauge-value{position:absolute;bottom:12px;left:50%;transform:translateX(-50%);font-size:2rem;font-weight:800;color:#fff}
.status-badge{display:inline-block;padding:8px 24px;border-radius:50px;font-weight:700;font-size:.95rem;text-transform:uppercase;letter-spacing:1px}
.status-badge.safe{background:rgba(16,185,129,.15);color:var(--green);border:1px solid rgba(16,185,129,.3)}
.status-badge.danger{background:rgba(239,68,68,.15);color:var(--red);border:1px solid rgba(239,68,68,.3)}
.result-meta{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:20px;padding-top:20px;border-top:1px solid rgba(255,255,255,.05)}
.meta-item{text-align:center}
.meta-label{display:block;font-size:.7rem;color:var(--text3);text-transform:uppercase;letter-spacing:.5px;margin-bottom:4px}
.meta-value{font-size:1rem;font-weight:700;color:#fff}

/* Factors */
.factors-tabs{display:flex;gap:8px;margin-bottom:16px}
.factor-tab{flex:1;padding:10px;background:var(--bg);border:1px solid var(--bg3);border-radius:8px;color:var(--text2);font-size:.8rem;font-weight:600;cursor:pointer;transition:all .3s;font-family:'Inter',sans-serif}
.factor-tab.active{border-color:var(--cyan);color:var(--cyan);background:rgba(6,182,212,.05)}
.factor-list{max-height:280px;overflow-y:auto;display:flex;flex-direction:column;gap:6px}
.factor-list::-webkit-scrollbar{width:4px}
.factor-list::-webkit-scrollbar-thumb{background:var(--bg3);border-radius:4px}
.factor-item{display:flex;align-items:center;gap:10px;padding:8px 12px;background:var(--bg);border-radius:8px;font-size:.85rem}
.factor-item.risk{border-left:3px solid var(--red)}
.factor-item.safe{border-left:3px solid var(--green)}
.factor-item i{font-size:.75rem}
.factor-item.risk i{color:var(--red)}
.factor-item.safe i{color:var(--green)}

/* Feature Table */
.feature-table-card h3{margin-bottom:16px;font-size:1.1rem;color:#fff;display:flex;align-items:center;gap:8px}
.table-responsive{overflow-x:auto}
.feature-table{width:100%;border-collapse:collapse;font-size:.85rem}
.feature-table th{background:var(--bg);padding:10px 14px;text-align:left;color:var(--text2);font-weight:600;border-bottom:1px solid var(--bg3);white-space:nowrap}
.feature-table td{padding:10px 14px;border-bottom:1px solid rgba(255,255,255,.03)}
.feature-table tr:hover td{background:rgba(6,182,212,.03)}
.val-safe{color:var(--green);font-weight:600}
.val-suspicious{color:var(--amber);font-weight:600}
.val-danger{color:var(--red);font-weight:600}
.status-dot{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:6px}

/* ═══════════════ DASHBOARD ═══════════════ */
.dashboard-alert{background:rgba(6,182,212,.1);border:1px solid rgba(6,182,212,.2);border-radius:var(--radius);padding:16px 20px;margin-bottom:30px;display:flex;align-items:center;gap:12px;color:var(--cyan);font-size:.9rem}
.metric-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:40px}
.metric-card{background:var(--card);backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,.05);border-radius:var(--radius2);padding:24px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:12px}
.metric-icon{width:44px;height:44px;border-radius:10px;display:flex;align-items:center;justify-content:center;background:rgba(16,185,129,.15);color:var(--green);font-size:1.1rem}
.metric-icon.icon-blue{background:rgba(59,130,246,.15);color:var(--blue)}
.metric-icon.icon-purple{background:rgba(139,92,246,.15);color:var(--purple)}
.metric-icon.icon-amber{background:rgba(245,158,11,.15);color:var(--amber)}
.metric-value{font-size:1.8rem;font-weight:800;color:#fff}
.metric-label{font-size:.8rem;color:var(--text3);text-transform:uppercase;letter-spacing:1px}
.metric-bar{height:4px;background:var(--bg3);border-radius:4px;overflow:hidden;margin-top:auto}
.metric-bar-fill{height:100%;background:var(--green);border-radius:4px;width:0;transition:width 1.5s ease}
.bar-blue{background:var(--blue)}.bar-purple{background:var(--purple)}.bar-amber{background:var(--amber)}

/* Charts */
.charts-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-bottom:30px}
.chart-card{background:var(--card);backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,.05);border-radius:var(--radius2);padding:24px;box-shadow:var(--shadow)}
.chart-card h3{font-size:1rem;color:#fff;margin-bottom:16px;display:flex;align-items:center;gap:8px}
.chart-card h3 i{color:var(--cyan)}
.chart-body{position:relative;min-height:250px}

/* Confusion Matrix */
.confusion-matrix{display:grid;grid-template-columns:auto 1fr 1fr;grid-template-rows:auto 1fr 1fr;gap:4px;max-width:350px;margin:20px auto}
.cm-cell{display:flex;align-items:center;justify-content:center;padding:20px;border-radius:8px;font-weight:700;font-size:1.2rem}
.cm-header{font-size:.75rem;color:var(--text3);text-transform:uppercase;letter-spacing:.5px;text-align:center;padding:8px}
.cm-tp{background:rgba(16,185,129,.2);color:var(--green)}
.cm-tn{background:rgba(59,130,246,.2);color:var(--blue)}
.cm-fp{background:rgba(239,68,68,.15);color:var(--red)}
.cm-fn{background:rgba(245,158,11,.15);color:var(--amber)}
.cm-corner{visibility:hidden}

/* Model Info */
.model-info-card{background:var(--card);backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,.05);border-radius:var(--radius2);padding:28px;box-shadow:var(--shadow)}
.model-info-card h3{font-size:1.1rem;color:#fff;margin-bottom:20px;display:flex;align-items:center;gap:8px}
.model-info-card h3 i{color:var(--cyan)}
.info-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px}
.info-item{background:var(--bg);border-radius:8px;padding:14px}
.info-item .info-label{font-size:.75rem;color:var(--text3);text-transform:uppercase;letter-spacing:.5px;display:block;margin-bottom:4px}
.info-item .info-val{font-size:1rem;font-weight:700;color:#fff}

/* ═══════════════ DATASET ═══════════════ */
.dataset-overview{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:50px}
.ds-card{background:var(--card);backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,.05);border-radius:var(--radius2);padding:28px;text-align:center;box-shadow:var(--shadow);transition:transform .3s}
.ds-card:hover{transform:translateY(-4px)}
.ds-card i{font-size:2rem;color:var(--cyan);margin-bottom:12px}
.ds-card h4{font-size:2rem;font-weight:800;color:#fff;margin-bottom:4px}
.ds-card p{color:var(--text3);font-size:.85rem}
.feature-cards-section h3{font-size:1.3rem;color:#fff;margin-bottom:24px;text-align:center}
.feature-cards-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px;margin-bottom:40px}
.f-card{background:var(--card);border:1px solid rgba(255,255,255,.05);border-radius:var(--radius);padding:16px;transition:all .3s}
.f-card:hover{border-color:rgba(6,182,212,.2);transform:translateY(-2px)}
.f-card .f-name{font-weight:600;color:var(--cyan);font-size:.85rem;margin-bottom:6px;font-family:'JetBrains Mono',monospace}
.f-card .f-desc{font-size:.8rem;color:var(--text2);line-height:1.5}
.f-card .f-num{font-size:.7rem;color:var(--text3);margin-bottom:4px}
.reference-card{background:var(--card);border:1px solid rgba(255,255,255,.05);border-radius:var(--radius2);padding:28px}
.reference-card h3{color:#fff;margin-bottom:16px;display:flex;align-items:center;gap:8px}
.reference-card h3 i{color:var(--cyan)}
.reference-card p{color:var(--text2);font-size:.9rem;margin-bottom:12px;line-height:1.7}
.reference-card a{color:var(--cyan);text-decoration:underline}

/* ═══════════════ HISTORY ═══════════════ */
.history-toolbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;flex-wrap:wrap;gap:12px}
.history-stats{display:flex;gap:20px;font-size:.85rem;color:var(--text2)}
.history-stats span{color:var(--cyan);font-weight:700}
.history-table-wrap{overflow-x:auto;background:var(--card);border:1px solid rgba(255,255,255,.05);border-radius:var(--radius2);box-shadow:var(--shadow)}
.history-table{width:100%;border-collapse:collapse;font-size:.85rem}
.history-table th{padding:14px 16px;text-align:left;color:var(--text3);font-weight:600;border-bottom:1px solid var(--bg3);background:var(--bg);text-transform:uppercase;font-size:.75rem;letter-spacing:.5px}
.history-table td{padding:12px 16px;border-bottom:1px solid rgba(255,255,255,.03)}
.history-table tr:hover td{background:rgba(6,182,212,.03)}
.empty-state{text-align:center;padding:60px 20px!important;color:var(--text3);font-size:.9rem}
.empty-state i{font-size:2rem;margin-bottom:8px;display:block;color:var(--bg3)}
.badge{display:inline-block;padding:4px 12px;border-radius:50px;font-size:.75rem;font-weight:600}
.badge-safe{background:rgba(16,185,129,.15);color:var(--green)}
.badge-danger{background:rgba(239,68,68,.15);color:var(--red)}

/* ═══════════════ FOOTER ═══════════════ */
.footer{background:var(--bg2);border-top:1px solid rgba(255,255,255,.05);padding:60px 0 0}
.footer-content{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;padding-bottom:40px}
.footer-brand h3{color:#fff;font-size:1.3rem;margin-bottom:12px;display:flex;align-items:center;gap:8px}
.footer-brand h3 i{color:var(--cyan)}
.footer-brand p{color:var(--text3);font-size:.85rem;line-height:1.7}
.footer-links h4{color:#fff;font-size:.9rem;margin-bottom:16px}
.footer-links a{display:block;color:var(--text3);font-size:.85rem;padding:4px 0;transition:color .3s}
.footer-links a:hover{color:var(--cyan)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.05);padding:20px 0;text-align:center;color:var(--text3);font-size:.8rem}

/* ═══════════════ RESPONSIVE ═══════════════ */
@media(max-width:1024px){
  .metric-cards,.dataset-overview{grid-template-columns:repeat(2,1fr)}
  .charts-grid{grid-template-columns:1fr}
  .footer-content{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
  .nav-links{display:none;position:absolute;top:100%;left:0;right:0;background:rgba(10,10,26,.98);backdrop-filter:blur(20px);flex-direction:column;padding:20px;border-bottom:1px solid var(--bg3)}
  .nav-links.open{display:flex}
  .nav-toggle{display:flex}
  .hero-stats{gap:20px}
  .result-grid{grid-template-columns:1fr}
  .metric-cards{grid-template-columns:1fr 1fr}
  .dataset-overview{grid-template-columns:1fr 1fr}
  .result-meta{grid-template-columns:1fr}
  .footer-content{grid-template-columns:1fr}
  .input-wrapper{flex-direction:column;padding:12px}
  .btn-scan{width:100%}
}
@media(max-width:480px){
  .metric-cards,.dataset-overview{grid-template-columns:1fr}
  .hero-title{font-size:2rem}
}