/* ============================================
   Raise Import — Product Website
   A premium Filament CSV/Excel import plugin
   ============================================ */

:root {
  --brand-50: #eef2ff; --brand-100: #e0e7ff; --brand-200: #c7d2fe;
  --brand-300: #a5b4fc; --brand-400: #818cf8; --brand-500: #6366f1;
  --brand-600: #4f46e5; --brand-700: #4338ca; --brand-800: #3730a3; --brand-900: #312e81;
  --accent-400: #fbbf24; --accent-500: #f59e0b; --accent-600: #d97706;
  --success-400: #34d399; --success-500: #10b981; --success-600: #059669;
  --neutral-50: #f8fafc; --neutral-100: #f1f5f9; --neutral-200: #e2e8f0;
  --neutral-300: #cbd5e1; --neutral-400: #94a3b8; --neutral-500: #64748b;
  --neutral-600: #475569; --neutral-700: #334155; --neutral-800: #1e293b; --neutral-900: #0f172a;
  --bg-primary: #ffffff; --bg-secondary: #f8fafc; --bg-card: #ffffff;
  --bg-nav: rgba(255,255,255,0.8);
  --text-primary: #1e293b; --text-secondary: #475569; --text-muted: #94a3b8;
  --border-color: #e2e8f0;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.08),0 2px 4px -1px rgba(0,0,0,0.04);
  --shadow-lg: 0 10px 25px -5px rgba(0,0,0,0.08),0 4px 10px -5px rgba(0,0,0,0.04);
  --shadow-xl: 0 20px 40px -10px rgba(0,0,0,0.1);
  --font-sans: -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,'Noto Sans SC',sans-serif;
  --max-width: 1200px; --nav-height: 64px;
}

[data-theme="dark"] {
  --bg-primary: #0f172a; --bg-secondary: #1e293b; --bg-card: #1e293b;
  --bg-nav: rgba(15,23,42,0.8);
  --text-primary: #f1f5f9; --text-secondary: #94a3b8; --text-muted: #64748b;
  --border-color: #334155;
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.3),0 2px 4px -1px rgba(0,0,0,0.15);
  --shadow-lg: 0 10px 25px -5px rgba(0,0,0,0.3),0 4px 10px -5px rgba(0,0,0,0.15);
  --shadow-xl: 0 20px 40px -10px rgba(0,0,0,0.4);
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--font-sans);background:var(--bg-primary);color:var(--text-primary);line-height:1.6;transition:background .3s,color .3s;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand-500);text-decoration:none;transition:color .2s}
a:hover{color:var(--brand-600)}
h1,h2,h3,h4{line-height:1.2;font-weight:700;letter-spacing:-0.025em}
h1{font-size:clamp(2.25rem,5vw,3.5rem)}
h2{font-size:clamp(1.75rem,4vw,2.5rem)}
h3{font-size:clamp(1.25rem,3vw,1.5rem)}
h4{font-size:1.125rem}
p{color:var(--text-secondary);max-width:65ch}

.container{max-width:var(--max-width);margin:0 auto;padding:0 1.5rem}
.section{padding:5rem 0}
.section-title{text-align:center;margin-bottom:.75rem}
.section-subtitle{text-align:center;color:var(--text-secondary);margin-bottom:3rem;font-size:1.125rem}

/* Language toggle — hide inactive language, show active one naturally */
html[data-lang="en"] [lang="zh"],
html[data-lang="zh"] [lang="en"] {
  display: none !important;
}

/* Navigation */
.nav{position:fixed;top:0;left:0;right:0;height:var(--nav-height);background:var(--bg-nav);backdrop-filter:blur(20px) saturate(180%);-webkit-backdrop-filter:blur(20px) saturate(180%);border-bottom:1px solid var(--border-color);z-index:1000;transition:background .3s,border-color .3s}
.nav-inner{max-width:var(--max-width);margin:0 auto;padding:0 1.5rem;height:100%;display:flex;align-items:center;justify-content:space-between}
.nav-logo{display:flex;align-items:center;gap:.625rem;font-weight:700;font-size:1.125rem;color:var(--text-primary);text-decoration:none}
.nav-logo:hover{color:var(--text-primary)}
.nav-logo svg{flex-shrink:0}
.nav-links{display:flex;align-items:center;gap:.25rem;list-style:none}
.nav-links a{padding:.5rem .875rem;border-radius:8px;font-size:.875rem;font-weight:500;color:var(--text-secondary);text-decoration:none;transition:all .2s}
.nav-links a:hover{color:var(--text-primary);background:var(--bg-secondary)}
.nav-actions{display:flex;align-items:center;gap:.75rem}
.lang-btn{background:none;border:1px solid var(--border-color);border-radius:8px;padding:.375rem .625rem;cursor:pointer;color:var(--text-secondary);font-size:.75rem;font-weight:600;transition:all .2s;text-transform:uppercase}
.lang-btn:hover{color:var(--text-primary);background:var(--bg-secondary)}
.theme-toggle{background:none;border:1px solid var(--border-color);border-radius:8px;padding:.5rem;cursor:pointer;color:var(--text-secondary);display:flex;align-items:center;justify-content:center;transition:all .2s}
.theme-toggle:hover{color:var(--text-primary);background:var(--bg-secondary)}
.theme-toggle svg{width:18px;height:18px}
[data-theme="dark"] .icon-sun{display:block}
[data-theme="dark"] .icon-moon{display:none}
[data-theme="light"] .icon-sun{display:none}
[data-theme="light"] .icon-moon{display:block}
.mobile-menu-btn{display:none;background:none;border:1px solid var(--border-color);border-radius:8px;padding:.5rem;cursor:pointer;color:var(--text-secondary)}
.mobile-menu{display:none;position:fixed;top:var(--nav-height);left:0;right:0;background:var(--bg-primary);border-bottom:1px solid var(--border-color);padding:1rem;z-index:999;box-shadow:var(--shadow-lg)}
.mobile-menu.open{display:block}
.mobile-menu a{display:block;padding:.75rem 1rem;border-radius:8px;color:var(--text-secondary);font-weight:500;text-decoration:none;transition:all .2s}
.mobile-menu a:hover{background:var(--bg-secondary);color:var(--text-primary)}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.625rem 1.25rem;border-radius:10px;font-size:.875rem;font-weight:600;text-decoration:none;cursor:pointer;border:none;transition:all .25s cubic-bezier(.16,1,.3,1);white-space:nowrap}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--brand-500);color:#fff;box-shadow:0 1px 3px rgba(99,102,241,.3)}
.btn-primary:hover{background:var(--brand-600);box-shadow:0 4px 12px rgba(99,102,241,.4);color:#fff}
.btn-accent{background:var(--accent-500);color:#1e293b;box-shadow:0 1px 3px rgba(245,158,11,.3)}
.btn-accent:hover{background:var(--accent-600);box-shadow:0 4px 12px rgba(245,158,11,.4);color:#1e293b}
.btn-ghost{background:transparent;color:var(--text-secondary);border:1px solid var(--border-color)}
.btn-ghost:hover{background:var(--bg-secondary);color:var(--text-primary)}
.btn-sm{padding:.5rem 1rem;font-size:.8125rem}
.btn-lg{padding:.875rem 2rem;font-size:1rem;border-radius:12px}

/* Badge */
.badge{display:inline-flex;align-items:center;gap:.375rem;padding:.25rem .75rem;border-radius:999px;font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em}
.badge-pro{background:var(--accent-400);color:#1e293b}
.badge-free{background:var(--success-400);color:#1e293b}

/* Hero */
.hero{padding:calc(var(--nav-height) + 4rem) 0 5rem;text-align:center;position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(ellipse at 50% 0%,rgba(99,102,241,.08),transparent 60%);pointer-events:none}
[data-theme="dark"] .hero::before{background:radial-gradient(ellipse at 50% 0%,rgba(99,102,241,.12),transparent 60%)}
.hero h1{margin-bottom:1rem}
.hero p{font-size:1.125rem;margin:0 auto 2rem;color:var(--text-secondary)}
.hero-actions{display:flex;align-items:center;justify-content:center;gap:1rem;flex-wrap:wrap}
.hero-badge{display:inline-flex;align-items:center;gap:.5rem;margin-bottom:1.5rem}

/* Features grid */
.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:1.5rem}
.feature-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:16px;padding:2rem;transition:all .3s cubic-bezier(.16,1,.3,1)}
.feature-card:hover{border-color:var(--brand-200);box-shadow:var(--shadow-lg);transform:translateY(-2px)}
[data-theme="dark"] .feature-card:hover{border-color:var(--brand-700)}
.feature-icon{width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;margin-bottom:1.25rem;font-size:1.25rem}
.feature-icon.brand{background:var(--brand-100);color:var(--brand-600)}
.feature-icon.accent{background:rgba(245,158,11,.15);color:var(--accent-500)}
.feature-icon.success{background:rgba(16,185,129,.15);color:var(--success-500)}
[data-theme="dark"] .feature-icon.brand{background:rgba(99,102,241,.2)}
[data-theme="dark"] .feature-icon.accent{background:rgba(245,158,11,.2)}
[data-theme="dark"] .feature-icon.success{background:rgba(16,185,129,.2)}
.feature-card h3{margin-bottom:.5rem;font-size:1.125rem}
.feature-card p{font-size:.875rem;margin-bottom:0}

/* Pricing */
.pricing-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(340px,1fr));gap:2rem;align-items:start}
.pricing-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:20px;padding:2.5rem 2rem;transition:all .3s cubic-bezier(.16,1,.3,1);position:relative}
.pricing-card:hover{box-shadow:var(--shadow-xl);transform:translateY(-4px)}
.pricing-card.featured{border-color:var(--brand-500);border-width:2px;box-shadow:0 0 0 1px var(--brand-500)}
[data-theme="dark"] .pricing-card.featured{border-color:var(--brand-400)}
.pricing-card.featured::before{content:'';position:absolute;top:-1px;left:2rem;right:2rem;height:4px;background:linear-gradient(90deg,var(--brand-500),var(--accent-500));border-radius:4px 4px 0 0}
.pricing-header{margin-bottom:2rem}
.pricing-name{font-size:1.25rem;font-weight:700;margin-bottom:.5rem}
.pricing-price{font-size:3rem;font-weight:800;letter-spacing:-.05em;line-height:1}
.pricing-price span{font-size:1rem;font-weight:400;color:var(--text-muted);letter-spacing:0}
.pricing-desc{color:var(--text-secondary);font-size:.875rem;margin-top:.5rem}
.pricing-features{list-style:none;margin-bottom:2rem}
.pricing-features li{display:flex;align-items:flex-start;gap:.75rem;padding:.5rem 0;font-size:.875rem;color:var(--text-secondary)}
.pricing-features li svg{flex-shrink:0;margin-top:2px}
.pricing-features li.muted{opacity:.5}

/* Comparison table */
.comparison{overflow-x:auto}
.comparison table{width:100%;border-collapse:collapse;font-size:.875rem}
.comparison th,.comparison td{text-align:left;padding:.875rem 1rem;border-bottom:1px solid var(--border-color)}
.comparison th{font-weight:600;color:var(--text-primary);background:var(--bg-secondary)}
.comparison td:not(:first-child){text-align:center}
.comparison tr:hover td{background:var(--bg-secondary)}

/* Screenshot card */
.screenshot{background:var(--bg-card);border:1px solid var(--border-color);border-radius:16px;overflow:hidden;cursor:pointer;transition:all .3s cubic-bezier(.16,1,.3,1)}
.screenshot:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px)}
.screenshot-inner{padding:1rem 1rem .75rem}
.screenshot-inner p{font-size:.8125rem;font-weight:600;color:var(--text-secondary);margin-bottom:.625rem;text-align:center}
.screenshot img{display:block;width:100%;border-radius:8px;border:1px solid var(--border-color);transition:transform .35s cubic-bezier(.16,1,.3,1)}
.screenshot:hover img{transform:scale(1.02)}

/* Docs page */
.docs-sidebar{position:sticky;top:calc(var(--nav-height) + 2rem)}
.docs-sidebar a{display:block;padding:.5rem .75rem;border-radius:8px;font-size:.875rem;color:var(--text-secondary);text-decoration:none;transition:all .2s}
.docs-sidebar a:hover,.docs-sidebar a.active{background:var(--bg-secondary);color:var(--brand-500)}
.docs-content h2{margin-top:3rem;margin-bottom:1rem;padding-top:1rem}
.docs-content h3{margin-top:2rem;margin-bottom:.75rem}
.docs-content p,.docs-content li{margin-bottom:.75rem;color:var(--text-secondary);max-width:none}
.docs-content ul,.docs-content ol{padding-left:1.5rem;margin-bottom:1rem}
.docs-content pre{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:12px;padding:1.25rem;overflow-x:auto;font-size:.8125rem;margin-bottom:1.5rem;line-height:1.5}
.docs-content code{font-size:.8125rem}
.docs-content pre code{background:none;padding:0}
.docs-content p code,.docs-content li code{background:var(--bg-secondary);padding:.125rem .375rem;border-radius:4px;border:1px solid var(--border-color)}

/* Legal pages */
.legal-content{max-width:760px;margin:0 auto}
.legal-content h2{margin-top:2.5rem;margin-bottom:1rem}
.legal-content h3{margin-top:2rem;margin-bottom:.75rem}
.legal-content p,.legal-content li{margin-bottom:.75rem;color:var(--text-secondary)}
.legal-content ul,.legal-content ol{padding-left:1.5rem;margin-bottom:1rem}
.legal-content .last-updated{color:var(--text-muted);font-size:.875rem;margin-bottom:2rem}

/* Contact */
.contact-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem;max-width:800px;margin:0 auto}
.contact-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:16px;padding:2rem;text-align:center;transition:all .3s}
.contact-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px)}
.contact-card .icon{font-size:2rem;margin-bottom:1rem}
.contact-card h3{margin-bottom:.5rem;font-size:1.125rem}

/* About */
.about-section{max-width:760px;margin:0 auto;text-align:center}
.about-section p{margin:0 auto 1.5rem}
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:1.5rem;margin-top:3rem}
.stat-card{text-align:center;padding:1.5rem;background:var(--bg-card);border:1px solid var(--border-color);border-radius:16px}
.stat-number{font-size:2.5rem;font-weight:800;color:var(--brand-500);line-height:1}
.stat-label{font-size:.875rem;color:var(--text-secondary);margin-top:.5rem}

/* License activation page */
.license-steps{max-width:700px;margin:0 auto}
.license-step{display:flex;gap:1.5rem;margin-bottom:2rem;padding:1.5rem;background:var(--bg-card);border:1px solid var(--border-color);border-radius:12px}
.step-number{width:36px;height:36px;border-radius:50%;background:var(--brand-100);color:var(--brand-600);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.875rem;flex-shrink:0}
[data-theme="dark"] .step-number{background:rgba(99,102,241,.2);color:var(--brand-300)}
.step-content{flex:1}
.step-content h3{margin-bottom:.375rem;font-size:1rem}
.step-content p{font-size:.875rem;margin-bottom:0}
code.block{display:block;background:var(--bg-secondary);padding:.75rem 1rem;border-radius:8px;font-size:.8125rem;margin-top:.5rem;border:1px solid var(--border-color)}

/* Footer */
.footer{background:var(--bg-secondary);border-top:1px solid var(--border-color);padding:4rem 0 2rem;margin-top:5rem}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:2rem}
@media(max-width:768px){.footer-grid{grid-template-columns:1fr 1fr}}
.footer-brand p{font-size:.875rem;margin-top:.75rem}
.footer h4{font-size:.8125rem;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);margin-bottom:1rem}
.footer a{display:block;padding:.25rem 0;font-size:.875rem;color:var(--text-secondary)}
.footer a:hover{color:var(--brand-500)}
.footer-bottom{border-top:1px solid var(--border-color);margin-top:3rem;padding-top:1.5rem;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem}
.footer-bottom p{font-size:.8125rem;color:var(--text-muted);margin-bottom:0}

/* Page header */
.page-header{padding:calc(var(--nav-height) + 3rem) 0 2rem;text-align:center;position:relative}
.page-header::before{content:'';position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,var(--border-color),transparent)}
.page-header h1{margin-bottom:.5rem}
.page-header p{color:var(--text-secondary);margin:0 auto}

/* Responsive */
@media(max-width:900px){
  .pricing-grid{grid-template-columns:1fr;max-width:450px;margin:0 auto}
  .nav-links{display:none}
  .mobile-menu-btn{display:flex}
}
@media(max-width:640px){
  .hero{padding:calc(var(--nav-height) + 3rem) 0 3rem}
  .section{padding:3rem 0}
  .features-grid{grid-template-columns:1fr}
  .hero-actions{flex-direction:column}
  .hero-actions .btn{width:100%;justify-content:center}
  .pricing-card{padding:2rem 1.5rem}
}

/* Utility */
.text-center{text-align:center}
.mt-2{margin-top:2rem}
.mb-2{margin-bottom:2rem}
.gap-1{gap:1rem}
.flex-center{display:flex;align-items:center;justify-content:center}
.fade-in{animation:fadeIn .5s ease both}
@keyframes fadeIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}

/* Lightbox */
.lightbox-overlay{position:fixed;inset:0;z-index:9999;background:rgba(0,0,0,.75);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transition:opacity .3s,visibility .3s;cursor:pointer}
.lightbox-overlay.open{opacity:1;visibility:visible}
.lightbox-overlay .lightbox-close{position:absolute;top:1.25rem;right:1.5rem;width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,.15);border:none;color:#fff;font-size:1.5rem;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .2s;z-index:2}
.lightbox-overlay .lightbox-close:hover{background:rgba(255,255,255,.25)}
.lightbox-overlay .lightbox-nav{position:absolute;top:50%;transform:translateY(-50%);width:44px;height:44px;border-radius:50%;background:rgba(255,255,255,.12);border:none;color:#fff;font-size:1.25rem;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s;z-index:2;opacity:0}
.lightbox-overlay.open .lightbox-nav{opacity:1}
.lightbox-overlay .lightbox-nav:hover{background:rgba(255,255,255,.25);transform:translateY(-50%) scale(1.1)}
.lightbox-overlay .lightbox-prev{left:1.25rem}
.lightbox-overlay .lightbox-next{right:1.25rem}
.lightbox-overlay .lightbox-image-wrap{position:relative;max-width:90vw;max-height:85vh;cursor:default;padding:2rem 0}
.lightbox-overlay .lightbox-image-wrap img{display:block;max-width:100%;max-height:75vh;border-radius:12px;box-shadow:0 20px 60px rgba(0,0,0,.5);opacity:0;transform:scale(.92);transition:opacity .35s cubic-bezier(.16,1,.3,1),transform .35s cubic-bezier(.16,1,.3,1)}
.lightbox-overlay .lightbox-image-wrap img.loaded{opacity:1;transform:scale(1)}
.lightbox-overlay .lightbox-counter{position:absolute;bottom:.5rem;left:50%;transform:translateX(-50%);color:rgba(255,255,255,.6);font-size:.8125rem;font-weight:500;letter-spacing:.05em;z-index:2}
.lightbox-overlay .lightbox-caption{text-align:center;color:rgba(255,255,255,.8);font-size:.875rem;margin-top:.75rem;padding:0 1rem}