@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

:root {
  --primary: #7C3AED;
  --primary-dark: #5B21B6;
  --primary-light: #A78BFA;
  --accent: #06B6D4;
  --bg: #0A0714;
  --surface: #120D24;
  --surface-2: #1C1535;
  --border: rgba(124, 58, 237, 0.25);
  --border-light: rgba(255, 255, 255, 0.08);
  --text: #F1F0FF;
  --text-muted: #9B93B3;
  --text-faint: #5C5475;
  --success: #10B981;
  --warning: #F59E0B;
  --error: #EF4444;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 4px 24px rgba(0,0,0,0.4);
  --shadow-glow: 0 0 40px rgba(124,58,237,0.3);
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:'Inter',-apple-system,BlinkMacSystemFont,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:var(--primary-light);text-decoration:none}
a:hover{color:var(--text)}
img{max-width:100%}

.container{max-width:1140px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-sm{padding:64px 0}

.display{font-size:clamp(2.5rem,5vw,3.75rem);font-weight:800;line-height:1.15;letter-spacing:-0.02em}
.h1{font-size:clamp(2rem,4vw,3rem);font-weight:700;line-height:1.2;letter-spacing:-0.02em}
.h2{font-size:clamp(1.75rem,3vw,2.25rem);font-weight:700;line-height:1.25;letter-spacing:-0.01em}
.h3{font-size:1.25rem;font-weight:600;line-height:1.4}
.subtitle{font-size:clamp(1rem,2vw,1.2rem);color:var(--text-muted);line-height:1.7}
.gradient-text{background:linear-gradient(135deg,#A78BFA 0%,#06B6D4 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 28px;border-radius:var(--radius);font-weight:600;font-size:1rem;cursor:pointer;border:none;transition:all 0.2s;text-decoration:none;white-space:nowrap;font-family:inherit}
.btn:disabled{opacity:0.5;cursor:not-allowed}
.btn-primary{background:linear-gradient(135deg,var(--primary),#5B21B6);color:#fff;box-shadow:0 4px 16px rgba(124,58,237,0.4)}
.btn-primary:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 8px 24px rgba(124,58,237,0.5);color:#fff}
.btn-outline{background:transparent;border:1.5px solid var(--border);color:var(--text-muted)}
.btn-outline:hover:not(:disabled){border-color:var(--primary-light);color:var(--text)}
.btn-ghost{background:transparent;color:var(--text-muted);padding:10px 16px;font-size:0.9rem}
.btn-ghost:hover{color:var(--text)}
.btn-lg{padding:18px 36px;font-size:1.1rem}
.btn-sm{padding:10px 20px;font-size:0.875rem}
.btn-full{width:100%}
.btn-loading{position:relative;color:transparent!important}
.btn-loading::after{content:'';position:absolute;width:18px;height:18px;border:2px solid rgba(255,255,255,0.3);border-top-color:#fff;border-radius:50%;animation:spin 0.7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

.nav{position:fixed;top:0;left:0;right:0;z-index:100;padding:16px 0;background:rgba(10,7,20,0.9);backdrop-filter:blur(20px);border-bottom:1px solid var(--border-light)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;max-width:1140px;margin:0 auto;padding:0 24px}
.nav-logo{font-size:1.5rem;font-weight:800;letter-spacing:-0.03em;background:linear-gradient(135deg,#A78BFA,#06B6D4);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.nav-links{display:flex;align-items:center;gap:32px}
.nav-link{font-size:0.9rem;font-weight:500;color:var(--text-muted);transition:color 0.2s}
.nav-link:hover{color:var(--text)}
.nav-actions{display:flex;align-items:center;gap:12px}

.card{background:var(--surface);border:1px solid var(--border-light);border-radius:var(--radius-lg);padding:32px}
.card-featured{background:linear-gradient(135deg,rgba(124,58,237,0.15),rgba(6,182,212,0.05));border-color:var(--primary);box-shadow:var(--shadow-glow),var(--shadow);position:relative}

.badge{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:999px;font-size:0.8rem;font-weight:600;background:rgba(124,58,237,0.15);color:var(--primary-light);border:1px solid rgba(124,58,237,0.3)}
.badge-success{background:rgba(16,185,129,0.1);color:#10B981;border-color:rgba(16,185,129,0.3)}
.badge-featured{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;border:none;padding:6px 18px}

.form-group{display:flex;flex-direction:column;gap:8px}
.form-label{font-size:0.875rem;font-weight:500;color:var(--text-muted)}
.form-input{background:var(--surface-2);border:1px solid var(--border-light);border-radius:var(--radius);padding:14px 16px;color:var(--text);font-size:1rem;font-family:inherit;transition:border-color 0.2s,box-shadow 0.2s;width:100%}
.form-input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(124,58,237,0.15)}
.form-input::placeholder{color:var(--text-faint)}
.form-hint{font-size:0.8rem;color:var(--text-muted)}

.alert{padding:14px 18px;border-radius:var(--radius);font-size:0.9rem;display:none;align-items:flex-start;gap:10px;line-height:1.5}
.alert.show{display:flex}
.alert-error{background:rgba(239,68,68,0.1);border:1px solid rgba(239,68,68,0.3);color:#FCA5A5}
.alert-success{background:rgba(16,185,129,0.1);border:1px solid rgba(16,185,129,0.3);color:#6EE7B7}
.alert-info{background:rgba(124,58,237,0.1);border:1px solid rgba(124,58,237,0.3);color:var(--primary-light)}

.divider{height:1px;background:var(--border-light);margin:24px 0}

.hero-bg{position:relative;overflow:hidden}
.hero-bg::before{content:'';position:absolute;top:-200px;left:50%;transform:translateX(-50%);width:800px;height:600px;background:radial-gradient(ellipse,rgba(124,58,237,0.25) 0%,transparent 70%);pointer-events:none;z-index:0}
.hero-bg::after{content:'';position:absolute;top:200px;right:-100px;width:400px;height:400px;background:radial-gradient(ellipse,rgba(6,182,212,0.12) 0%,transparent 70%);pointer-events:none;z-index:0}
.hero-content{position:relative;z-index:1}

.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;align-items:start}

.price-amount{font-size:2.5rem;font-weight:800;color:var(--text);line-height:1}
.price-period{font-size:0.875rem;color:var(--text-muted)}
.feature-list{list-style:none;display:flex;flex-direction:column;gap:12px;margin:24px 0}
.feature-list li{display:flex;align-items:center;gap:10px;font-size:0.9rem;color:var(--text-muted)}
.feature-list .check{color:#10B981;flex-shrink:0}
.feature-list .cross{color:var(--text-faint);flex-shrink:0}

.faq-item{border-bottom:1px solid var(--border-light)}
.faq-question{width:100%;text-align:left;background:none;border:none;color:var(--text);padding:20px 0;font-size:1rem;font-weight:500;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;font-family:inherit}
.faq-question:hover{color:var(--primary-light)}
.faq-icon{font-size:1.25rem;color:var(--primary-light);flex-shrink:0;transition:transform 0.2s}
.faq-item.open .faq-icon{transform:rotate(45deg)}
.faq-answer{font-size:0.9rem;color:var(--text-muted);line-height:1.7;max-height:0;overflow:hidden;transition:max-height 0.3s ease,padding 0.3s}
.faq-item.open .faq-answer{max-height:400px;padding-bottom:20px}

.page-center{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:100px 24px 48px}
.auth-box{width:100%;max-width:420px}
.auth-logo{font-size:2rem;font-weight:800;letter-spacing:-0.03em;margin-bottom:8px}

.step-list{display:flex;flex-direction:column;gap:24px}
.step-item{display:flex;align-items:flex-start;gap:20px}
.step-number{width:40px;height:40px;border-radius:50%;background:rgba(124,58,237,0.2);border:2px solid var(--primary);color:var(--primary-light);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:0.9rem;flex-shrink:0}
.step-content{padding-top:4px}
.step-title{font-weight:600;margin-bottom:4px}
.step-desc{font-size:0.875rem;color:var(--text-muted);line-height:1.6}

footer{background:var(--surface);border-top:1px solid var(--border-light);padding:48px 0 32px}
.footer-inner{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:48px;margin-bottom:40px}
.footer-logo{font-size:1.5rem;font-weight:800;margin-bottom:12px}
.footer-desc{font-size:0.875rem;color:var(--text-muted);line-height:1.7;max-width:280px}
.footer-heading{font-size:0.8rem;font-weight:700;text-transform:uppercase;letter-spacing:0.08em;color:var(--text-muted);margin-bottom:16px}
.footer-links{list-style:none;display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:0.875rem;color:var(--text-muted);transition:color 0.2s}
.footer-links a:hover{color:var(--text)}
.footer-bottom{padding-top:24px;border-top:1px solid var(--border-light);display:flex;align-items:center;justify-content:space-between}
.footer-copy{font-size:0.8rem;color:var(--text-faint)}

.text-center{text-align:center}
.text-muted{color:var(--text-muted)}
.mb-8{margin-bottom:8px}.mb-12{margin-bottom:12px}.mb-16{margin-bottom:16px}.mb-24{margin-bottom:24px}.mb-32{margin-bottom:32px}.mb-48{margin-bottom:48px}.mb-64{margin-bottom:64px}
.mt-8{margin-top:8px}.mt-16{margin-top:16px}.mt-24{margin-top:24px}.mt-32{margin-top:32px}
.flex{display:flex}.flex-center{display:flex;align-items:center;justify-content:center}.flex-between{display:flex;align-items:center;justify-content:space-between}
.gap-8{gap:8px}.gap-12{gap:12px}.gap-16{gap:16px}.gap-24{gap:24px}
.hidden{display:none!important}

.section-label{display:inline-flex;align-items:center;gap:8px;padding:6px 16px;background:rgba(124,58,237,0.1);border:1px solid rgba(124,58,237,0.25);border-radius:999px;font-size:0.8rem;font-weight:600;letter-spacing:0.06em;text-transform:uppercase;color:var(--primary-light);margin-bottom:20px}

.benefit-icon{width:52px;height:52px;border-radius:14px;background:rgba(124,58,237,0.15);border:1px solid rgba(124,58,237,0.3);display:flex;align-items:center;justify-content:center;font-size:1.5rem;margin-bottom:16px}

.plan-name{font-size:1.25rem;font-weight:700;margin-bottom:4px}
.plan-tagline{font-size:0.875rem;color:var(--text-muted);margin-bottom:24px;min-height:40px}

.toggle-wrap{display:inline-flex;align-items:center;gap:12px;background:var(--surface);border:1px solid var(--border-light);border-radius:999px;padding:8px 20px}
.toggle-label{color:var(--text-muted);font-weight:500;font-size:0.9rem;cursor:pointer}
.toggle-label.active{color:var(--text)}
.toggle{position:relative;width:44px;height:24px;cursor:pointer}
.toggle input{opacity:0;width:0;height:0}
.toggle-slider{position:absolute;inset:0;background:var(--surface-2);border:1px solid var(--border);border-radius:999px;transition:0.2s}
.toggle-slider::before{content:'';position:absolute;width:16px;height:16px;left:3px;top:50%;transform:translateY(-50%);background:var(--text-muted);border-radius:50%;transition:0.2s}
.toggle input:checked + .toggle-slider{background:var(--primary);border-color:var(--primary)}
.toggle input:checked + .toggle-slider::before{left:23px;background:#fff}
.discount-pill{background:rgba(16,185,129,0.15);border:1px solid rgba(16,185,129,0.3);color:#10B981;font-size:0.75rem;font-weight:600;padding:3px 10px;border-radius:999px}

@media(max-width:900px){
  .pricing-grid{grid-template-columns:1fr;max-width:480px;margin:0 auto}
  .grid-3{grid-template-columns:1fr}
  .grid-2{grid-template-columns:1fr}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .footer-inner{grid-template-columns:1fr 1fr}
  .nav-links{display:none}
}
@media(max-width:600px){
  .footer-inner{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px;text-align:center}
  .grid-4{grid-template-columns:1fr}
  .section{padding:64px 0}
}