:root{--primary:#F5922E;--primary-hover:#E07D1A;--navy:#12222D;--navy-light:#1A3040;--white:#fff;--gray-50:#F8F9FA;--gray-100:#E9ECEF;--gray-200:#DEE2E6;--gray-400:#CED4DA;--gray-600:#6C757D;--gray-900:#212529;--success:#28A745;--danger:#DC3545;--warning:#FFC107;--radius:8px;--shadow:0 2px 8px rgba(0,0,0,.1);--shadow-lg:0 8px 32px rgba(0,0,0,.15)}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Open Sans',sans-serif;color:var(--gray-900);line-height:1.6;background:var(--gray-50)}
h1,h2,h3,h4{font-family:'Montserrat',sans-serif;font-weight:700;line-height:1.2}
a{color:var(--primary);text-decoration:none}
.container{max-width:1200px;margin:0 auto;padding:0 24px}

/* Buttons */
.btn{display:inline-block;padding:12px 28px;border-radius:var(--radius);font-weight:600;font-size:15px;cursor:pointer;border:2px solid transparent;transition:all .2s;text-align:center}
.btn-primary{background:var(--primary);color:var(--white);border-color:var(--primary)}
.btn-primary:hover{background:var(--primary-hover);border-color:var(--primary-hover)}
.btn-outline{background:transparent;color:var(--white);border-color:var(--white)}
.btn-outline:hover{background:var(--white);color:var(--navy)}
.btn-lg{padding:16px 36px;font-size:17px}
.btn-block{display:block;width:100%}

/* Navbar */
.navbar{background:var(--navy);padding:16px 0;position:sticky;top:0;z-index:100}
.nav-inner{display:flex;align-items:center;justify-content:space-between}
.logo{font-family:'Montserrat',sans-serif;font-size:22px;font-weight:800;color:var(--white)}
.logo span{color:var(--primary)}
.nav-links{display:flex;align-items:center;gap:24px}
.nav-links a{color:var(--gray-200);font-size:14px;font-weight:500}
.nav-links a:hover{color:var(--white)}

/* Hero */
.hero{background:linear-gradient(135deg,var(--navy) 0%,var(--navy-light) 100%);padding:100px 0 80px;color:var(--white);text-align:center}
.hero h1{font-size:48px;margin-bottom:20px}
.hero-sub{font-size:20px;color:var(--gray-200);margin-bottom:40px;max-width:600px;margin-left:auto;margin-right:auto}
.hero-cta{display:flex;gap:16px;justify-content:center;margin-bottom:60px}
.hero-stats{display:flex;justify-content:center;gap:60px}
.stat{text-align:center}
.stat-num{display:block;font-family:'Montserrat',sans-serif;font-size:32px;font-weight:800;color:var(--primary)}
.stat-label{font-size:13px;color:var(--gray-400)}

/* Sections */
.section{padding:80px 0}
.section-alt{background:var(--white)}
.section-title{text-align:center;font-size:36px;margin-bottom:12px;color:var(--navy)}
.section-sub{text-align:center;color:var(--gray-600);font-size:17px;margin-bottom:48px;max-width:600px;margin-left:auto;margin-right:auto}

/* Grid */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
@media(max-width:768px){.grid-3{grid-template-columns:1fr}}

/* Cards */
.card{background:var(--white);border-radius:var(--radius);padding:32px;box-shadow:var(--shadow);border:1px solid var(--gray-100)}
.card-icon{font-size:36px;margin-bottom:16px}
.card h3{margin-bottom:8px;color:var(--navy)}
.card p{color:var(--gray-600);font-size:14px}

/* Steps */
.steps{display:flex;align-items:flex-start;justify-content:center;gap:12px;flex-wrap:wrap}
.step{background:var(--gray-50);border-radius:var(--radius);padding:32px 24px;text-align:center;width:220px;border:1px solid var(--gray-200)}
.step-num{width:48px;height:48px;background:var(--primary);color:var(--white);border-radius:50%;display:flex;align-items:center;justify-content:center;font-family:'Montserrat',sans-serif;font-weight:800;font-size:20px;margin:0 auto 16px}
.step h3{margin-bottom:8px;font-size:16px;color:var(--navy)}
.step p{font-size:13px;color:var(--gray-600)}
.step-arrow{font-size:28px;color:var(--gray-400);padding-top:40px;font-weight:700}

/* Pricing */
.price-card{background:var(--white);border-radius:12px;padding:36px 28px;box-shadow:var(--shadow);border:2px solid var(--gray-100);position:relative;display:flex;flex-direction:column}
.price-card-featured{border-color:var(--primary);transform:scale(1.03)}
.price-badge{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--primary);color:var(--white);padding:4px 16px;border-radius:20px;font-size:12px;font-weight:700}
.price-header h3{font-size:24px;color:var(--navy)}
.price-desc{color:var(--gray-600);font-size:14px;margin-bottom:16px}
.price-amount{font-family:'Montserrat',sans-serif;font-size:42px;font-weight:800;color:var(--navy);margin-bottom:24px}
.price-currency{font-size:16px;font-weight:600;color:var(--gray-600)}
.price-period{font-size:16px;font-weight:400;color:var(--gray-600)}
.price-features{list-style:none;margin-bottom:32px;flex-grow:1}
.price-features li{padding:8px 0;border-bottom:1px solid var(--gray-100);font-size:14px;color:var(--gray-600)}
.price-features li::before{content:"✓ ";color:var(--success);font-weight:700}
.price-card .btn-outline{color:var(--navy);border-color:var(--navy)}
.price-card .btn-outline:hover{background:var(--navy);color:var(--white)}

/* FAQ */
.faq{max-width:700px;margin:0 auto}
.faq-item{background:var(--white);border-radius:var(--radius);margin-bottom:8px;border:1px solid var(--gray-200)}
.faq-item summary{padding:18px 24px;cursor:pointer;font-weight:600;font-size:15px;color:var(--navy)}
.faq-item p{padding:0 24px 18px;color:var(--gray-600);font-size:14px}

/* Footer */
.footer{background:var(--navy);color:var(--gray-400);padding:48px 0}
.footer-inner{display:flex;justify-content:space-between;align-items:center}
.footer-brand .logo{font-size:20px}
.footer-brand p{font-size:13px;margin-top:6px}
.footer-brand a{color:var(--primary)}

/* Auth page */
.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--navy)}
.auth-card{background:var(--white);border-radius:12px;padding:48px;width:100%;max-width:440px;box-shadow:var(--shadow-lg)}
.auth-card .logo{display:block;text-align:center;margin-bottom:32px;color:var(--navy)}
.auth-card h2{text-align:center;margin-bottom:24px;color:var(--navy)}
.auth-switch{text-align:center;margin-top:20px;font-size:14px;color:var(--gray-600)}

/* Forms */
.form-group{margin-bottom:18px}
.form-group label{display:block;font-weight:600;font-size:14px;margin-bottom:6px;color:var(--navy)}
.form-group input,.form-group textarea,.form-group select{width:100%;padding:12px 16px;border:1px solid var(--gray-200);border-radius:var(--radius);font-size:15px;font-family:'Open Sans',sans-serif;transition:border .2s}
.form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--primary)}
.form-group small{display:block;margin-top:4px;font-size:12px;color:var(--gray-600)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}

/* Alerts */
.alert{padding:14px 20px;border-radius:var(--radius);margin-bottom:20px;font-size:14px}
.alert-error{background:#FDE8E8;color:var(--danger);border:1px solid #FACACA}
.alert-success{background:#D4EDDA;color:var(--success);border:1px solid #C3E6CB}

/* App layout */
.app-layout{display:flex;min-height:100vh}
.sidebar{width:260px;background:var(--navy);color:var(--white);padding:24px 0;display:flex;flex-direction:column;position:fixed;height:100vh}
.sidebar .logo{display:block;padding:0 24px;margin-bottom:32px}
.sidebar-nav{flex-grow:1}
.sidebar-link{display:block;padding:12px 24px;color:var(--gray-400);font-size:14px;transition:all .2s}
.sidebar-link:hover,.sidebar-link.active{background:var(--navy-light);color:var(--white)}
.sidebar-footer{padding:16px 24px;border-top:1px solid var(--navy-light)}
.sidebar-user{font-size:13px;font-weight:600;margin-bottom:8px}
.main-content{flex-grow:1;margin-left:260px;padding:32px 40px}
.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:32px}
.page-header h1{font-size:28px;color:var(--navy)}

/* Empty state */
.empty-state{text-align:center;padding:80px 0}
.empty-icon{font-size:64px;margin-bottom:16px}
.empty-state h3{color:var(--navy);margin-bottom:8px}
.empty-state p{color:var(--gray-600);margin-bottom:24px}

/* Migration cards */
.migration-card{background:var(--white);border-radius:var(--radius);padding:20px 24px;border:1px solid var(--gray-200);margin-bottom:12px;display:flex;align-items:center;gap:24px}
.migration-info{flex-grow:1}
.migration-info h3{font-size:15px;color:var(--navy)}
.migration-dest{font-size:13px;color:var(--gray-600)}
.migration-progress{width:200px}
.progress-bar{height:8px;background:var(--gray-200);border-radius:4px;overflow:hidden}
.progress-fill{height:100%;background:var(--primary);border-radius:4px;transition:width .5s}
.progress-text{font-size:12px;color:var(--gray-600)}
.migration-date{font-size:12px;color:var(--gray-600);white-space:nowrap}

/* Badges */
.badge{display:inline-block;padding:3px 10px;border-radius:12px;font-size:11px;font-weight:600;text-transform:uppercase}
.badge-created{background:#E3F2FD;color:#1565C0}
.badge-verifying,.badge-verified{background:#FFF3E0;color:#E65100}
.badge-migrating{background:#E8F5E9;color:#2E7D32}
.badge-completed{background:#E8F5E9;color:#2E7D32}
.badge-failed{background:#FFEBEE;color:#C62828}
.badge-open{background:#FFF3E0;color:#E65100}
.badge-resolved{background:#E8F5E9;color:#2E7D32}

/* Wizard */
.wizard-steps{display:flex;gap:4px;margin-bottom:32px}
.wizard-step{flex:1;padding:12px;text-align:center;background:var(--gray-100);color:var(--gray-600);font-size:13px;font-weight:600;border-radius:var(--radius)}
.wizard-step.active{background:var(--primary);color:var(--white)}
.wizard-step.done{background:var(--success);color:var(--white)}
.wizard-content{background:var(--white);border-radius:var(--radius);padding:36px;border:1px solid var(--gray-200)}
.wizard-content h2{margin-bottom:8px;color:var(--navy);font-size:22px}
.wizard-content>p{color:var(--gray-600);margin-bottom:24px;font-size:14px}

/* Thread list */
.thread-card{display:flex;align-items:center;gap:16px;padding:16px 20px;background:var(--white);border:1px solid var(--gray-200);border-radius:var(--radius);margin-bottom:8px;color:var(--gray-900)}
.thread-card:hover{border-color:var(--primary)}
.thread-subject{flex-grow:1;font-weight:600;font-size:14px}
.thread-date{font-size:12px;color:var(--gray-600)}


/* Language switcher dropdown */
.lang-switcher{position:relative}
.lang-btn{display:flex;align-items:center;gap:6px;background:transparent;border:1px solid var(--gray-600);border-radius:var(--radius);padding:6px 12px;color:var(--white);cursor:pointer;font-size:13px;font-weight:600;transition:all .2s}
.lang-btn:hover{border-color:var(--primary)}
.lang-flag{font-size:18px;line-height:1}
.lang-code{font-family:'Montserrat',sans-serif}
.lang-arrow{font-size:10px;color:var(--gray-400);transition:transform .2s}
.lang-switcher.open .lang-arrow{transform:rotate(180deg)}
.lang-dropdown{display:none;position:absolute;top:calc(100% + 8px);right:0;background:var(--white);border-radius:var(--radius);box-shadow:var(--shadow-lg);min-width:180px;z-index:200;overflow:hidden;border:1px solid var(--gray-200)}
.lang-switcher.open .lang-dropdown{display:block}
.lang-option{display:flex;align-items:center;gap:10px;padding:10px 16px;color:var(--gray-900);font-size:14px;transition:background .15s}
.lang-option:hover{background:var(--gray-50)}
.lang-option.lang-active{background:var(--gray-100);font-weight:600;color:var(--primary)}