:root {
  --primary: #7C3AED;
  --primary-light: #9F67FF;
  --primary-dark: #5B21B6;
  --primary-glow: rgba(124,58,237,0.35);
  --accent: #06B6D4;
  --bg: #06060F;
  --bg2: #0D0D1F;
  --bg3: #111128;
  --surface: rgba(255,255,255,0.04);
  --surface-hover: rgba(255,255,255,0.07);
  --border: rgba(255,255,255,0.08);
  --border-hover: rgba(124,58,237,0.5);
  --text: #F1F0FF;
  --text-muted: #9CA3AF;
  --text-dim: #6B7280;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 8px 32px rgba(0,0,0,0.5);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Inter',sans-serif;background:var(--bg);color:var(--text);line-height:1.6;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{max-width:1200px;margin:0 auto;padding:0 24px}

/* HEADER */
header{position:sticky;top:0;z-index:100;background:rgba(6,6,15,0.85);backdrop-filter:blur(18px);border-bottom:1px solid var(--border)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.2rem;letter-spacing:-0.02em;white-space:nowrap}
.logo-icon{width:34px;height:34px;background:linear-gradient(135deg,var(--primary),var(--accent));border-radius:8px;display:grid;place-items:center;font-size:18px;box-shadow:0 0 16px var(--primary-glow)}
nav{display:flex;align-items:center;gap:4px}
nav a{padding:6px 14px;border-radius:8px;font-size:0.9rem;font-weight:500;color:var(--text-muted);transition:all .2s}
nav a:hover,nav a.active{color:var(--text);background:var(--surface)}
nav a.active{color:var(--primary-light)}
.nav-dropdown{position:relative}
.nav-dropdown-menu{display:none;position:absolute;top:calc(100% + 8px);left:0;background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius-sm);padding:8px;min-width:240px;box-shadow:var(--shadow)}
.nav-dropdown-menu::before{content:'';position:absolute;top:-10px;left:0;right:0;height:10px;background:transparent}
.nav-dropdown:hover .nav-dropdown-menu{display:block}
.nav-dropdown-menu a{display:block;padding:8px 12px;border-radius:8px;font-size:0.85rem;color:var(--text-muted)}
.nav-dropdown-menu a:hover{background:var(--surface);color:var(--text)}
.header-actions{display:flex;align-items:center;gap:8px}

/* BUTTONS */
.btn{display:inline-flex;align-items:center;gap:8px;padding:9px 20px;border-radius:var(--radius-sm);font-size:0.9rem;font-weight:600;cursor:pointer;border:none;transition:all .25s;line-height:1}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-light));color:#fff;box-shadow:0 4px 20px var(--primary-glow)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 8px 30px var(--primary-glow)}
.btn-outline{background:transparent;color:var(--text);border:1px solid var(--border)}
.btn-outline:hover{border-color:var(--primary);color:var(--primary-light);background:rgba(124,58,237,0.08)}
.btn-ghost{background:transparent;color:var(--text-muted);border:none;padding:8px 12px}
.btn-ghost:hover{color:var(--text);background:var(--surface)}
.btn-lg{padding:13px 28px;font-size:1rem}

/* PAGE HERO */
.page-hero{padding:72px 0 60px;text-align:center;position:relative;overflow:hidden}
.page-hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 70% 60% at 50% 0%,rgba(124,58,237,0.18) 0%,transparent 70%);pointer-events:none}
.page-hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(124,58,237,0.15);border:1px solid rgba(124,58,237,0.3);padding:5px 14px;border-radius:999px;font-size:.78rem;font-weight:600;color:var(--primary-light);margin-bottom:20px;letter-spacing:.05em}
.page-hero h1{font-size:clamp(1.8rem,4vw,3rem);font-weight:900;letter-spacing:-.03em;line-height:1.15;margin-bottom:14px}
.page-hero h1 span{background:linear-gradient(135deg,var(--primary-light),var(--accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.page-hero p{font-size:1rem;color:var(--text-muted);max-width:560px;margin:0 auto 28px;line-height:1.7}

/* TOOL INTERFACE */
.tool-section{padding:48px 0 80px}
.tool-panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:32px;max-width:860px;margin:0 auto}
.tool-panel h2{font-size:1.1rem;font-weight:700;margin-bottom:20px;display:flex;align-items:center;gap:8px}
.upload-area{border:2px dashed var(--border);border-radius:var(--radius-sm);padding:48px 24px;text-align:center;cursor:pointer;transition:all .3s}
.upload-area:hover{border-color:var(--primary);background:rgba(124,58,237,0.05)}
.upload-area .upload-icon{font-size:2.5rem;margin-bottom:12px}
.upload-area p{color:var(--text-muted);font-size:.9rem}
.upload-area strong{color:var(--primary-light)}
.form-group{margin-bottom:20px}
.form-group label{display:block;font-size:.85rem;font-weight:600;margin-bottom:8px;color:var(--text-muted)}
.form-input,.form-textarea,.form-select{width:100%;background:rgba(255,255,255,0.04);border:1px solid var(--border);border-radius:var(--radius-sm);padding:11px 14px;color:var(--text);font-family:inherit;font-size:.9rem;transition:border-color .2s;outline:none}
.form-textarea{resize:vertical;min-height:120px}
.form-input:focus,.form-textarea:focus,.form-select:focus{border-color:var(--primary)}
.form-select option{background:var(--bg2)}
.result-box{background:rgba(124,58,237,0.06);border:1px solid rgba(124,58,237,0.2);border-radius:var(--radius-sm);padding:20px;margin-top:20px;font-size:.9rem;line-height:1.7;color:var(--text-muted);display:none}
.result-box.visible{display:block}
.copy-btn{display:inline-flex;align-items:center;gap:6px;font-size:.8rem;font-weight:600;color:var(--primary-light);cursor:pointer;margin-top:10px;background:none;border:none;padding:0}
.copy-btn:hover{text-decoration:underline}

/* SECTION HEADERS */
.section-header{text-align:center;margin-bottom:48px}
.section-label{display:inline-block;font-size:.75rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--primary-light);margin-bottom:10px}
.section-header h2{font-size:clamp(1.5rem,3vw,2.4rem);font-weight:800;letter-spacing:-.02em;margin-bottom:10px}
.section-header p{color:var(--text-muted);max-width:520px;margin:0 auto;font-size:.95rem}

/* CARDS */
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px;transition:all .3s}
.card:hover{border-color:var(--border-hover);transform:translateY(-3px);box-shadow:0 12px 32px rgba(124,58,237,0.15)}
.cards-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px}
.card-icon{font-size:2rem;margin-bottom:12px}
.card h3{font-size:1rem;font-weight:700;margin-bottom:8px}
.card p{font-size:.875rem;color:var(--text-muted);line-height:1.6}
.card-link{display:inline-flex;align-items:center;gap:6px;font-size:.85rem;font-weight:600;color:var(--primary-light);margin-top:14px;transition:gap .2s}
.card:hover .card-link{gap:10px}

/* BREADCRUMB */
.breadcrumb{padding:16px 0;font-size:.85rem;color:var(--text-dim)}
.breadcrumb a{color:var(--text-muted)}
.breadcrumb a:hover{color:var(--primary-light)}
.breadcrumb span{color:var(--text-dim)}

/* TABLE */
.styled-table{width:100%;border-collapse:collapse;font-size:.9rem}
.styled-table th{text-align:left;padding:12px 16px;background:rgba(124,58,237,0.1);color:var(--primary-light);font-size:.8rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;border-bottom:1px solid var(--border)}
.styled-table td{padding:14px 16px;border-bottom:1px solid var(--border);color:var(--text-muted)}
.styled-table tr:last-child td{border-bottom:none}
.styled-table tr:hover td{background:var(--surface);color:var(--text)}

/* PRICING */
.pricing-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:20px}
.pricing-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:28px;position:relative;transition:all .3s}
.pricing-card.popular{border-color:var(--primary);box-shadow:0 0 30px rgba(124,58,237,0.2)}
.popular-badge{position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:linear-gradient(135deg,var(--primary),var(--primary-light));color:#fff;font-size:.7rem;font-weight:700;padding:4px 14px;border-radius:999px;white-space:nowrap}
.plan-name{font-size:.8rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--text-muted);margin-bottom:8px}
.plan-price{font-size:2.2rem;font-weight:900;letter-spacing:-.04em;margin-bottom:4px}
.plan-price span{font-size:1rem;font-weight:500;color:var(--text-muted)}
.plan-desc{font-size:.85rem;color:var(--text-muted);margin-bottom:20px;padding-bottom:20px;border-bottom:1px solid var(--border)}
.plan-features{list-style:none;display:flex;flex-direction:column;gap:9px;margin-bottom:24px}
.plan-features li{display:flex;align-items:flex-start;gap:8px;font-size:.85rem;color:var(--text-muted)}
.plan-features li::before{content:'✓';color:var(--primary-light);font-weight:700;flex-shrink:0}
.plan-features li.no::before{content:'✕';color:var(--text-dim)}
.plan-features li.no{opacity:.5}

/* FAQ */
.faq-list{max-width:760px;margin:0 auto;display:flex;flex-direction:column;gap:10px}
.faq-item{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);overflow:hidden}
.faq-q{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;cursor:pointer;font-weight:600;font-size:.9rem;transition:color .2s;gap:14px}
.faq-q:hover{color:var(--primary-light)}
.faq-icon{flex-shrink:0;width:20px;height:20px;border-radius:50%;border:1px solid var(--border);display:grid;place-items:center;font-size:.75rem;transition:transform .3s,background .2s}
.faq-item.open .faq-icon{transform:rotate(45deg);background:var(--primary);border-color:var(--primary)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease,padding .2s;font-size:.88rem;color:var(--text-muted);line-height:1.7}
.faq-item.open .faq-a{max-height:300px;padding:0 20px 18px}

/* FOOTER */
footer{background:var(--bg);border-top:1px solid var(--border);padding:56px 0 28px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-brand p{font-size:.85rem;color:var(--text-muted);line-height:1.7;margin-top:12px;max-width:260px}
.footer-col h4{font-size:.75rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--text-dim);margin-bottom:14px}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:9px}
.footer-col ul li a{font-size:.85rem;color:var(--text-muted);transition:color .2s}
.footer-col ul li a:hover{color:var(--primary-light)}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;padding-top:20px;border-top:1px solid var(--border);flex-wrap:wrap;gap:12px}
.footer-bottom p{font-size:.78rem;color:var(--text-dim)}
.social-links{display:flex;gap:10px}
.social-link{width:32px;height:32px;border-radius:8px;background:var(--surface);border:1px solid var(--border);display:grid;place-items:center;font-size:.85rem;color:var(--text-muted);transition:all .2s}
.social-link:hover{border-color:var(--primary);color:var(--primary-light)}

/* HAMBURGER */
.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:6px;background:none;border:none}
.hamburger span{width:22px;height:2px;background:var(--text);border-radius:2px;transition:all .3s}
.mobile-nav{display:none;flex-direction:column;background:var(--bg2);border-bottom:1px solid var(--border);padding:12px 24px}
.mobile-nav.open{display:flex}
.mobile-nav a{padding:10px 0;border-bottom:1px solid var(--border);color:var(--text-muted);font-size:.9rem}

/* ANIMATIONS */
@keyframes fadeUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
.float{animation:float 4s ease-in-out infinite}
[data-anim]{opacity:0;transform:translateY(20px);transition:opacity .5s ease,transform .5s ease}
[data-anim].visible{opacity:1;transform:translateY(0)}

/* BADGE */
.badge{display:inline-flex;align-items:center;gap:6px;padding:3px 10px;border-radius:999px;font-size:.72rem;font-weight:700;letter-spacing:.05em}
.badge-purple{background:rgba(124,58,237,0.15);color:var(--primary-light);border:1px solid rgba(124,58,237,0.3)}
.badge-cyan{background:rgba(6,182,212,0.15);color:var(--accent);border:1px solid rgba(6,182,212,0.3)}
.badge-green{background:rgba(16,185,129,0.15);color:#34D399;border:1px solid rgba(16,185,129,0.3)}

/* ALERT BOX */
.alert{padding:14px 18px;border-radius:var(--radius-sm);font-size:.875rem;margin-bottom:20px}
.alert-info{background:rgba(124,58,237,0.1);border:1px solid rgba(124,58,237,0.25);color:var(--primary-light)}
.alert-success{background:rgba(16,185,129,0.1);border:1px solid rgba(16,185,129,0.25);color:#34D399}

/* CODE BLOCK */
.code-block{background:#0a0a1a;border:1px solid var(--border);border-radius:var(--radius-sm);padding:20px;font-family:'Courier New',monospace;font-size:.85rem;color:#A78BFA;overflow-x:auto;position:relative}
.code-block .copy-code{position:absolute;top:12px;right:12px;background:var(--surface);border:1px solid var(--border);color:var(--text-muted);padding:4px 10px;border-radius:6px;font-size:.75rem;cursor:pointer;font-family:inherit}
.code-block .copy-code:hover{border-color:var(--primary);color:var(--primary-light)}

/* STEPS */
.steps{display:flex;flex-direction:column;gap:24px;max-width:700px;margin:0 auto}
.step{display:flex;gap:20px;align-items:flex-start}
.step-num{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--primary-light));color:#fff;font-weight:800;font-size:.9rem;display:grid;place-items:center;flex-shrink:0;box-shadow:0 4px 12px var(--primary-glow)}
.step-content h3{font-size:1rem;font-weight:700;margin-bottom:6px}
.step-content p{font-size:.875rem;color:var(--text-muted);line-height:1.7}

/* STATS */
.stats-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:24px;text-align:center}
.stat-num{font-size:2.5rem;font-weight:900;letter-spacing:-.04em;background:linear-gradient(135deg,var(--primary-light),var(--accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.stat-label{font-size:.85rem;color:var(--text-muted);margin-top:4px}

/* RESPONSIVE */
@media(max-width:1024px){
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
  nav{display:none}
  .hamburger{display:flex}
  .header-actions .btn-outline{display:none}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;text-align:center}
}