* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif; background-color: #0f1923; color: #ffffff; line-height: 1.6; min-height: 100vh; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
a { color: #00d4aa; text-decoration: none; transition: color .3s ease; }
a:hover { color: #33ddbb; }
a:focus { outline: 2px solid #00d4aa; outline-offset: 2px; }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }
ol { padding-left: 20px; color: #b0b8c0; }
ol li { margin-bottom: 8px; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px 30px 20px; }
.container-narrow { max-width: 800px; margin: 0 auto; padding: 0 20px; }
.text-center { text-align: center; }
.text-teal { color: #00d4aa; }
.text-muted { color: #8899aa; }
.mt-10 { margin-top: 10px; }
.mt-20 { margin-top: 20px; }
.mt-30 { margin-top: 30px; }
.mb-10 { margin-bottom: 10px; }
.mb-20 { margin-bottom: 20px; }
.mb-30 { margin-bottom: 30px; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.gap-10 { gap: 10px; }
.gap-20 { gap: 20px; }
.gap-30 { gap: 30px; }
header { background: rgba(15,25,35,.95); padding: 15px 0; position: fixed; top: 0; left: 0; right: 0; z-index: 1000; border-bottom: 1px solid rgba(0,212,170,.15); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); transition: background .3s; }
.header-inner { display: flex; align-items: center; justify-content: space-between; max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.logo { display: flex; align-items: center; gap: 10px; font-size: 1.5rem; font-weight: 700; color: #fff; text-decoration: none; transition: opacity .3s; }
.logo:hover { opacity: .9; color: #fff; }
.logo svg, .logo img { width: 36px; height: 36px; flex-shrink: 0; }
.logo span { background: linear-gradient(135deg,#00d4aa,#00f5d4); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
nav { display: flex; align-items: center; gap: 25px; }
nav a { color: #b0b8c0; font-size: .95rem; font-weight: 500; padding: 6px 0; position: relative; text-decoration: none; white-space: nowrap; transition: color .3s; }
nav a:hover, nav a.active { color: #00d4aa; }
nav a::after { content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 2px; background: #00d4aa; transition: width .3s ease; }
nav a:hover::after, nav a.active::after { width: 100%; }
.nav-right { display: flex; align-items: center; gap: 15px; }
.lang-select { background: rgba(255,255,255,.08); border: 1px solid rgba(0,212,170,.3); color: #fff; padding: 6px 12px; border-radius: 6px; font-size: .85rem; cursor: pointer; outline: none; transition: border-color .3s,background .3s; font-family: inherit; }
.lang-select:hover, .lang-select:focus { border-color: #00d4aa; background: rgba(0,212,170,.12); }
.lang-select option { background: #0f1923; color: #fff; }
.btn-download-nav { display: inline-block; background: linear-gradient(135deg,#00d4aa,#00b894); color: #fff; padding: 8px 22px; border-radius: 25px; font-weight: 600; font-size: .9rem; text-decoration: none; transition: transform .3s ease,box-shadow .3s ease; border: none; cursor: pointer; font-family: inherit; }
.btn-download-nav:hover { transform: translateY(-2px); box-shadow: 0 4px 20px rgba(0,212,170,.3); color: #fff; }
.btn-download-nav:active { transform: translateY(0); }
.mobile-toggle { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 5px; background: none; border: none; }
.mobile-toggle span { display: block; width: 24px; height: 2px; background: #fff; border-radius: 2px; transition: transform .3s ease,opacity .3s ease; }
.mobile-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.mobile-toggle.active span:nth-child(2) { opacity: 0; }
.mobile-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }
.hero { padding: 140px 0 80px; text-align: center; position: relative; overflow: hidden; background: linear-gradient(135deg,#0f1923 0%,#142433 50%,#0f1923 100%); }
.hero::before { content: ''; position: absolute; top: -50%; left: -50%; width: 200%; height: 200%; background: radial-gradient(circle at 30% 50%,rgba(0,212,170,.05) 0%,transparent 50%),radial-gradient(circle at 70% 50%,rgba(0,212,170,.03) 0%,transparent 50%); animation: heroGlow 8s ease-in-out infinite alternate; pointer-events: none; }
@keyframes heroGlow { 0% { transform: translate(0,0); } 100% { transform: translate(-20px,-20px); } }
.hero .container { position: relative; z-index: 1; }
.hero h1 { font-size: 3rem; font-weight: 800; margin-bottom: 20px; background: linear-gradient(135deg,#fff 30%,#00d4aa 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; line-height: 1.2; }
.hero p { font-size: 1.15rem; color: #b0b8c0; max-width: 700px; margin: 0 auto 30px; line-height: 1.7; }
.hero-features { display: flex; justify-content: center; gap: 25px; margin-bottom: 35px; flex-wrap: wrap; }
.hero-features span { color: #8899aa; font-size: .95rem; position: relative; }
.hero-features span::before { content: '▸ '; color: #00d4aa; }
.hero .btn-download { display: inline-block; background: linear-gradient(135deg,#00d4aa,#00b894); color: #fff; padding: 16px 50px; border-radius: 50px; font-size: 1.15rem; font-weight: 700; text-decoration: none; transition: transform .3s ease,box-shadow .3s ease,filter .3s; border: none; cursor: pointer; font-family: inherit; }
.hero .btn-download:hover { transform: translateY(-3px); box-shadow: 0 8px 30px rgba(0,212,170,.4); color: #fff; filter: brightness(1.1); }
.hero .btn-download:active { transform: translateY(-1px); }
.section { padding: 80px 0; }
.section-dark { background: rgba(0,212,170,.02); }
.section-title { text-align: center; font-size: 2rem; font-weight: 700; margin-bottom: 15px; line-height: 1.3; }
.section-subtitle { text-align: center; color: #8899aa; font-size: 1.05rem; margin-bottom: 50px; max-width: 600px; margin-left: auto; margin-right: auto; }
.features-grid { display: grid; grid-template-columns: repeat(auto-fit,minmax(260px,1fr)); gap: 30px; }
.feature-card { background: rgba(255,255,255,.03); border: 1px solid rgba(0,212,170,.1); border-radius: 16px; padding: 35px 25px; text-align: center; transition: transform .3s ease,background .3s ease,border-color .3s ease; }
.feature-card:hover { transform: translateY(-8px); background: rgba(0,212,170,.06); border-color: rgba(0,212,170,.3); }
.feature-icon { width: 70px; height: 70px; margin: 0 auto 20px; background: linear-gradient(135deg,rgba(0,212,170,.15),rgba(0,212,170,.05)); border-radius: 50%; display: flex; align-items: center; justify-content: center; transition: transform .3s; }
.feature-card:hover .feature-icon { transform: scale(1.1); }
.feature-icon svg { width: 32px; height: 32px; fill: #00d4aa; }
.feature-card h3 { font-size: 1.2rem; margin-bottom: 12px; color: #fff; }
.feature-card p { color: #8899aa; font-size: .95rem; line-height: 1.6; }
.pricing-grid { display: grid; grid-template-columns: repeat(auto-fit,minmax(300px,1fr)); gap: 30px; align-items: start; }
.pricing-card { background: rgba(255,255,255,.03); border: 1px solid rgba(255,255,255,.08); border-radius: 16px; padding: 35px 25px; text-align: center; transition: transform .3s ease,border-color .3s ease; position: relative; }
.pricing-card:hover { transform: translateY(-5px); border-color: rgba(0,212,170,.3); }
.pricing-card.featured { border-color: #00d4aa; background: rgba(0,212,170,.06); transform: scale(1.03); }
.pricing-card.featured:hover { transform: scale(1.03) translateY(-5px); }
.pricing-tag { position: absolute; top: -12px; left: 50%; transform: translateX(-50%); background: linear-gradient(135deg,#00d4aa,#00b894); color: #fff; padding: 4px 18px; border-radius: 20px; font-size: .8rem; font-weight: 600; white-space: nowrap; }
.pricing-card h3 { font-size: 1.3rem; margin-bottom: 5px; }
.pricing-card .price { font-size: 2.2rem; font-weight: 800; color: #00d4aa; margin: 15px 0; line-height: 1; }
.pricing-card .price-sub { color: #8899aa; font-size: .9rem; margin-bottom: 15px; }
.pricing-card ul { margin: 20px 0; text-align: left; display: inline-block; }
.pricing-card ul li { padding: 8px 0; color: #b0b8c0; font-size: .95rem; border-bottom: 1px solid rgba(255,255,255,.05); }
.pricing-card ul li:last-child { border-bottom: none; }
.pricing-card ul li::before { content: '✓ '; color: #00d4aa; font-weight: 700; }
.pricing-btn { display: inline-block; background: linear-gradient(135deg,#00d4aa,#00b894); color: #fff; padding: 12px 35px; border-radius: 25px; font-weight: 600; transition: transform .3s ease,box-shadow .3s ease; margin-top: 10px; border: none; cursor: pointer; text-decoration: none; font-family: inherit; font-size: .95rem; }
.pricing-btn:hover { transform: translateY(-2px); box-shadow: 0 4px 20px rgba(0,212,170,.3); color: #fff; text-decoration: none; }
.download-grid { display: grid; grid-template-columns: repeat(auto-fit,minmax(230px,1fr)); gap: 25px; }
.download-card { background: rgba(255,255,255,.03); border: 1px solid rgba(0,212,170,.1); border-radius: 16px; padding: 30px 20px; text-align: center; transition: transform .3s ease,border-color .3s ease; }
.download-card:hover { transform: translateY(-5px); border-color: rgba(0,212,170,.3); }
.download-icon { width: 64px; height: 64px; margin: 0 auto 15px; display: flex; align-items: center; justify-content: center; }
.download-icon svg { width: 40px; height: 40px; fill: #00d4aa; }
.download-card h3 { font-size: 1.15rem; margin-bottom: 5px; }
.download-card p { color: #8899aa; font-size: .85rem; margin-bottom: 20px; line-height: 1.4; }
.download-card button { background: linear-gradient(135deg,#00d4aa,#00b894); color: #fff; border: none; padding: 10px 28px; border-radius: 25px; font-size: .95rem; font-weight: 600; cursor: pointer; transition: transform .3s ease,box-shadow .3s ease; font-family: inherit; }
.download-card button:hover { transform: translateY(-2px); box-shadow: 0 4px 15px rgba(0,212,170,.3); }
.download-card button:active { transform: translateY(0); }
.download-card .version { color: #667788; font-size: .8rem; margin-top: 10px; }
.blog-grid { display: grid; grid-template-columns: repeat(auto-fit,minmax(340px,1fr)); gap: 25px; }
.blog-card { background: rgba(255,255,255,.03); border: 1px solid rgba(255,255,255,.08); border-radius: 12px; padding: 25px; transition: transform .3s ease,border-color .3s ease; }
.blog-card:hover { transform: translateY(-4px); border-color: rgba(0,212,170,.2); }
.blog-card .cat { display: inline-block; background: rgba(0,212,170,.15); color: #00d4aa; padding: 3px 12px; border-radius: 12px; font-size: .8rem; margin-bottom: 10px; font-weight: 500; }
.blog-card h3 { font-size: 1.15rem; margin-bottom: 10px; line-height: 1.4; }
.blog-card h3 a { color: #fff; text-decoration: none; transition: color .3s; }
.blog-card h3 a:hover { color: #00d4aa; }
.blog-card .summary { color: #8899aa; font-size: .9rem; line-height: 1.5; margin-bottom: 12px; }
.blog-card .meta { color: #667788; font-size: .85rem; display: flex; align-items: center; gap: 15px; }
.blog-card .meta a { color: #00d4aa; font-weight: 500; }
.blog-card .meta a:hover { text-decoration: underline; }
.blog-single { max-width: 800px; margin: 0 auto; }
.blog-single h1 { font-size: 2rem; margin-bottom: 15px; line-height: 1.3; }
.blog-single .meta { color: #667788; font-size: .9rem; margin-bottom: 25px; display: flex; gap: 20px; }
.blog-single .content { color: #b0b8c0; line-height: 1.8; font-size: 1.05rem; }
.blog-single .content p { margin-bottom: 20px; }
.page-header { padding: 120px 0 50px; text-align: center; background: linear-gradient(135deg,#0f1923,#142433,#0f1923); }
.page-header h1 { font-size: 2.2rem; font-weight: 700; line-height: 1.3; }
.page-header p { color: #8899aa; margin-top: 10px; max-width: 600px; margin-left: auto; margin-right: auto; font-size: 1.05rem; line-height: 1.6; }
.content-section { padding: 60px 0; }
.content-section h2 { font-size: 1.5rem; color: #00d4aa; margin-bottom: 15px; margin-top: 35px; line-height: 1.3; }
.content-section h2:first-child { margin-top: 0; }
.content-section h3 { font-size: 1.2rem; color: #fff; margin-bottom: 10px; margin-top: 25px; }
.content-section p { color: #b0b8c0; margin-bottom: 15px; line-height: 1.8; }
.content-section ul { margin: 15px 0 20px 20px; }
.content-section ul li { color: #b0b8c0; margin-bottom: 8px; list-style: disc; padding-left: 5px; }
.content-section ul li::marker { color: #00d4aa; }
.content-section ol { margin: 15px 0 20px 20px; }
.content-section ol li { color: #b0b8c0; margin-bottom: 8px; padding-left: 5px; }
.content-section blockquote { border-left: 3px solid #00d4aa; padding: 15px 20px; margin: 20px 0; background: rgba(0,212,170,.05); border-radius: 0 8px 8px 0; }
.content-section blockquote p { color: #8899aa; margin: 0; }
.about-section { text-align: center; }
.about-section .about-icon { width: 80px; height: 80px; margin: 0 auto 20px; background: linear-gradient(135deg,rgba(0,212,170,.15),rgba(0,212,170,.05)); border-radius: 50%; display: flex; align-items: center; justify-content: center; }
.about-section .about-icon svg { width: 36px; height: 36px; fill: #00d4aa; }
.about-grid { display: grid; grid-template-columns: repeat(auto-fit,minmax(280px,1fr)); gap: 30px; margin-top: 30px; }
.about-card { background: rgba(255,255,255,.03); border: 1px solid rgba(0,212,170,.1); border-radius: 16px; padding: 30px; text-align: center; transition: transform .3s ease,border-color .3s ease; }
.about-card:hover { transform: translateY(-5px); border-color: rgba(0,212,170,.3); }
.about-card h3 { font-size: 1.15rem; margin-bottom: 10px; }
.about-card p { color: #8899aa; font-size: .95rem; line-height: 1.6; }
.cta-section { padding: 60px 0; text-align: center; background: linear-gradient(135deg,rgba(0,212,170,.05),rgba(0,212,170,.02)); }
.cta-section h2 { font-size: 1.8rem; margin-bottom: 15px; }
.cta-section p { color: #8899aa; margin-bottom: 25px; }
.cta-section .btn-cta { display: inline-block; background: linear-gradient(135deg,#00d4aa,#00b894); color: #fff; padding: 14px 40px; border-radius: 50px; font-size: 1.1rem; font-weight: 700; text-decoration: none; transition: transform .3s,box-shadow .3s; }
.cta-section .btn-cta:hover { transform: translateY(-3px); box-shadow: 0 8px 25px rgba(0,212,170,.4); color: #fff; }
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit,minmax(200px,1fr)); gap: 30px; text-align: center; padding: 40px 0; }
.stat-item { padding: 20px; }
.stat-number { font-size: 2.5rem; font-weight: 800; color: #00d4aa; line-height: 1; margin-bottom: 8px; }
.stat-label { color: #8899aa; font-size: .95rem; }
.divider { border: none; height: 1px; background: linear-gradient(90deg,transparent,rgba(0,212,170,.2),transparent); margin: 0; }
.alert { padding: 15px 20px; border-radius: 8px; margin-bottom: 20px; font-size: .95rem; }
.alert-info { background: rgba(0,212,170,.1); border: 1px solid rgba(0,212,170,.2); color: #00d4aa; }
.alert-warning { background: rgba(255,193,7,.1); border: 1px solid rgba(255,193,7,.2); color: #ffc107; }
.alert-danger { background: rgba(220,53,69,.1); border: 1px solid rgba(220,53,69,.2); color: #dc3545; }
.tag { display: inline-block; background: rgba(0,212,170,.15); color: #00d4aa; padding: 2px 10px; border-radius: 10px; font-size: .8rem; font-weight: 500; }
.tag-sm { font-size: .75rem; padding: 1px 8px; }
.badge { display: inline-flex; align-items: center; justify-content: center; background: linear-gradient(135deg,#00d4aa,#00b894); color: #fff; padding: 2px 10px; border-radius: 10px; font-size: .75rem; font-weight: 600; }
.btn { display: inline-block; padding: 10px 28px; border-radius: 25px; font-weight: 600; font-size: .95rem; text-decoration: none; border: none; cursor: pointer; transition: transform .3s ease,box-shadow .3s ease; font-family: inherit; }
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: linear-gradient(135deg,#00d4aa,#00b894); color: #fff; }
.btn-primary:hover { box-shadow: 0 4px 15px rgba(0,212,170,.3); color: #fff; }
.btn-outline { background: transparent; border: 2px solid #00d4aa; color: #00d4aa; }
.btn-outline:hover { background: rgba(0,212,170,.1); color: #00d4aa; }
.btn-sm { padding: 6px 18px; font-size: .85rem; }
.btn-lg { padding: 14px 40px; font-size: 1.1rem; }
.card { background: rgba(255,255,255,.03); border: 1px solid rgba(255,255,255,.08); border-radius: 12px; padding: 25px; transition: transform .3s,border-color .3s; }
.card:hover { transform: translateY(-4px); border-color: rgba(0,212,170,.2); }
.card-title { font-size: 1.1rem; font-weight: 600; margin-bottom: 10px; }
.card-text { color: #8899aa; font-size: .9rem; line-height: 1.5; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 25px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 25px; }
.grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; }
@media(max-width:768px){ .grid-2,.grid-3,.grid-4 { grid-template-columns: 1fr; } }
.form-group { margin-bottom: 20px; }
.form-label { display: block; color: #b0b8c0; font-size: .9rem; margin-bottom: 6px; font-weight: 500; }
.form-input { width: 100%; padding: 10px 15px; background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.1); border-radius: 8px; color: #fff; font-size: .95rem; transition: border-color .3s; font-family: inherit; }
.form-input:focus { outline: none; border-color: #00d4aa; }
.form-input::placeholder { color: #556677; }
textarea.form-input { min-height: 120px; resize: vertical; }
footer { background: #0a1219; border-top: 1px solid rgba(0,212,170,.1); padding: 50px 0 30px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; }
.footer-brand .logo { margin-bottom: 15px; }
.footer-brand p { color: #8899aa; font-size: .9rem; line-height: 1.6; max-width: 300px; }
.footer-col h4 { color: #fff; font-size: 1rem; margin-bottom: 18px; font-weight: 600; }
.footer-col a { display: block; color: #8899aa; font-size: .9rem; padding: 5px 0; transition: color .3s; text-decoration: none; }
.footer-col a:hover { color: #00d4aa; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.05); margin-top: 40px; padding-top: 20px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; }
.footer-bottom p { color: #667788; font-size: .85rem; }
.fade-in { opacity: 0; transform: translateY(30px); transition: opacity .6s ease,transform .6s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }
.page-content { padding: 50px 0; min-height: 400px; }
.page-content h1 { font-size: 2rem; margin-bottom: 20px; }
.page-content p { color: #b0b8c0; margin-bottom: 15px; }
.not-found { text-align: center; padding: 100px 0; }
.not-found h1 { font-size: 4rem; color: #00d4aa; line-height: 1; }
.not-found p { color: #8899aa; margin: 15px 0; font-size: 1.1rem; }
.breadcrumb { display: flex; gap: 8px; align-items: center; font-size: .85rem; color: #667788; margin-bottom: 20px; }
.breadcrumb a { color: #00d4aa; text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb span { color: #667788; }
.pagination { display: flex; gap: 10px; justify-content: center; margin-top: 40px; }
.pagination a,.pagination span { display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; border-radius: 8px; font-size: .9rem; text-decoration: none; transition: background .3s,color .3s; }
.pagination a { background: rgba(255,255,255,.05); color: #b0b8c0; }
.pagination a:hover { background: rgba(0,212,170,.15); color: #00d4aa; }
.pagination .current { background: #00d4aa; color: #fff; }
.scroll-top { position: fixed; bottom: 30px; right: 30px; width: 44px; height: 44px; background: #00d4aa; color: #0f1923; border: none; border-radius: 50%; cursor: pointer; display: none; align-items: center; justify-content: center; font-size: 1.3rem; transition: transform .3s,opacity .3s; z-index: 999; }
.scroll-top.visible { display: flex; }
.scroll-top:hover { transform: scale(1.1); }
@media(max-width:900px){
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
    .hero h1 { font-size: 2.2rem; }
    .pricing-card.featured { transform: none; }
    .pricing-card.featured:hover { transform: translateY(-5px); }
}
@media(max-width:768px){
    .mobile-toggle { display: flex; }
    nav { display: none; position: absolute; top: 100%; left: 0; right: 0; background: rgba(15,25,35,.98); flex-direction: column; padding: 20px; gap: 15px; border-bottom: 1px solid rgba(0,212,170,.15); align-items: stretch; }
    nav.active { display: flex; }
    .nav-right { flex-direction: column; width: 100%; gap: 10px; }
    .nav-right .btn-download-nav { width: 100%; text-align: center; }
    .hero { padding: 110px 0 50px; }
    .hero h1 { font-size: 1.8rem; }
    .hero p { font-size: 1rem; }
    .section-title { font-size: 1.5rem; }
    .download-grid { grid-template-columns: 1fr 1fr; }
    .blog-grid { grid-template-columns: 1fr; }
    .page-header { padding: 100px 0 40px; }
    .page-header h1 { font-size: 1.7rem; }
    .about-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
}
@media(max-width:500px){
    .hero h1 { font-size: 1.5rem; }
    .hero .btn-download { padding: 14px 35px; font-size: 1rem; }
    .download-grid { grid-template-columns: 1fr; }
    .pricing-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr; }
    .section { padding: 50px 0; }
}
::selection { background: rgba(0,212,170,.3); color: #fff; }
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #0f1923; }
::-webkit-scrollbar-thumb { background: rgba(0,212,170,.3); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: rgba(0,212,170,.5); }

/* Preloader */
.preloader { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: #0f1923; display: flex; align-items: center; justify-content: center; z-index: 9999; transition: opacity .5s ease; }
.preloader.hidden { opacity: 0; pointer-events: none; }
.spinner { width: 40px; height: 40px; border: 3px solid rgba(0,212,170,.1); border-top-color: #00d4aa; border-radius: 50%; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Tooltip */
.tooltip { position: relative; display: inline-block; }
.tooltip::after { content: attr(data-tip); position: absolute; bottom: calc(100% + 8px); left: 50%; transform: translateX(-50%); background: #00d4aa; color: #0f1923; padding: 4px 10px; border-radius: 4px; font-size: .8rem; white-space: nowrap; opacity: 0; pointer-events: none; transition: opacity .3s; }
.tooltip:hover::after { opacity: 1; }

/* Dropdown */
.dropdown { position: relative; display: inline-block; }
.dropdown-menu { position: absolute; top: 100%; right: 0; background: #1a2d3d; border: 1px solid rgba(0,212,170,.15); border-radius: 8px; padding: 8px 0; min-width: 160px; opacity: 0; visibility: hidden; transform: translateY(8px); transition: all .3s ease; z-index: 100; }
.dropdown:hover .dropdown-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.dropdown-menu a { display: block; padding: 8px 16px; color: #b0b8c0; font-size: .9rem; text-decoration: none; transition: background .2s,color .3s; }
.dropdown-menu a:hover { background: rgba(0,212,170,.1); color: #00d4aa; }

/* Steps / Timeline */
.steps { counter-reset: step; padding: 0; }
.step { display: flex; gap: 20px; margin-bottom: 30px; position: relative; padding-left: 40px; }
.step::before { counter-increment: step; content: counter(step); position: absolute; left: 0; top: 0; width: 28px; height: 28px; background: #00d4aa; color: #0f1923; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: .85rem; font-weight: 700; }
.step:not(:last-child)::after { content: ''; position: absolute; left: 13px; top: 32px; width: 2px; height: calc(100% - 6px); background: rgba(0,212,170,.2); }
.step h4 { color: #fff; font-size: 1.05rem; margin-bottom: 5px; }
.step p { color: #8899aa; font-size: .9rem; line-height: 1.5; }

/* Testimonials */
.testimonials-grid { display: grid; grid-template-columns: repeat(auto-fit,minmax(300px,1fr)); gap: 25px; }
.testimonial-card { background: rgba(255,255,255,.03); border: 1px solid rgba(255,255,255,.08); border-radius: 12px; padding: 25px; }
.testimonial-card .stars { color: #ffc107; font-size: 1rem; margin-bottom: 10px; letter-spacing: 2px; }
.testimonial-card blockquote { color: #b0b8c0; font-size: .95rem; line-height: 1.6; font-style: italic; margin-bottom: 15px; }
.testimonial-card .author { color: #667788; font-size: .85rem; }
.testimonial-card .author strong { color: #00d4aa; }

/* Server locations */
.locations-grid { display: grid; grid-template-columns: repeat(auto-fill,minmax(150px,1fr)); gap: 12px; }
.location-item { background: rgba(255,255,255,.03); border: 1px solid rgba(255,255,255,.06); border-radius: 8px; padding: 12px; text-align: center; transition: border-color .3s,background .3s; }
.location-item:hover { border-color: rgba(0,212,170,.3); background: rgba(0,212,170,.05); }
.location-item .flag { font-size: 1.5rem; margin-bottom: 5px; }
.location-item .name { color: #b0b8c0; font-size: .85rem; }
.location-item .status { display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: #00d4aa; margin-top: 5px; }
.location-item .status.offline { background: #dc3545; }

/* Feature comparison table */
.compare-table { width: 100%; border-collapse: collapse; margin: 30px 0; }
.compare-table th, .compare-table td { padding: 12px 16px; text-align: left; border-bottom: 1px solid rgba(255,255,255,.06); }
.compare-table th { color: #00d4aa; font-weight: 600; font-size: .9rem; text-transform: uppercase; letter-spacing: .5px; }
.compare-table td { color: #b0b8c0; font-size: .9rem; }
.compare-table tr:hover td { background: rgba(0,212,170,.03); }
.compare-table .check { color: #00d4aa; font-weight: 700; }
.compare-table .cross { color: #dc3545; }

/* Accordion / FAQ */
.faq-list { max-width: 800px; margin: 0 auto; }
.sys-req-grid { grid-template-columns: repeat(4,1fr); }
@media (max-width: 768px) {
    .sys-req-grid { grid-template-columns: repeat(2,1fr); }
}
.faq-item { border-bottom: 1px solid rgba(255,255,255,.06); }
.faq-question { width: 100%; padding: 18px 0; background: none; border: none; color: #fff; font-size: 1rem; font-weight: 500; text-align: left; cursor: pointer; display: flex; justify-content: space-between; align-items: center; font-family: inherit; transition: color .3s; }
.faq-question:hover { color: #00d4aa; }
.faq-question::after { content: '+'; font-size: 1.3rem; color: #00d4aa; transition: transform .3s; }
.faq-item.active .faq-question::after { transform: rotate(45deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height .3s ease,padding .3s ease; padding: 0; }
.faq-item.active .faq-answer { max-height: 300px; padding: 0 0 18px; }
.faq-answer p { color: #8899aa; font-size: .95rem; line-height: 1.6; margin: 0; }

/* Progress bar */
.progress { height: 6px; background: rgba(255,255,255,.06); border-radius: 3px; overflow: hidden; }
.progress-bar { height: 100%; background: linear-gradient(90deg,#00d4aa,#00f5d4); border-radius: 3px; transition: width 1s ease; }

/* Notification toast */
.toast { position: fixed; bottom: 30px; left: 50%; transform: translateX(-50%) translateY(100px); background: #1a2d3d; border: 1px solid rgba(0,212,170,.2); border-radius: 8px; padding: 14px 24px; color: #fff; font-size: .9rem; box-shadow: 0 4px 20px rgba(0,0,0,.3); opacity: 0; transition: all .4s ease; z-index: 10000; pointer-events: none; }
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast-success { border-color: #00d4aa; }
.toast-error { border-color: #dc3545; }

/* Skeleton loading */
.skeleton { background: linear-gradient(90deg,rgba(255,255,255,.04) 25%,rgba(255,255,255,.08) 50%,rgba(255,255,255,.04) 75%); background-size: 200% 100%; animation: shimmer 1.5s ease-in-out infinite; border-radius: 4px; }
@keyframes shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }
.skeleton-text { height: 14px; margin-bottom: 8px; }
.skeleton-text-sm { height: 10px; width: 60%; }
.skeleton-title { height: 22px; width: 70%; margin-bottom: 12px; }
.skeleton-card { height: 200px; border-radius: 12px; }

/* Particle background */
.particles { position: absolute; top: 0; left: 0; width: 100%; height: 100%; overflow: hidden; pointer-events: none; z-index: 0; }
.particle { position: absolute; width: 3px; height: 3px; background: #00d4aa; border-radius: 50%; opacity: .15; animation: float 20s linear infinite; }
@keyframes float { 0% { transform: translateY(100vh) scale(0); opacity: 0; } 10% { opacity: .15; } 90% { opacity: .15; } 100% { transform: translateY(-10vh) scale(1); opacity: 0; } }

/* Video / Image containers */
.media-container { position: relative; width: 100%; border-radius: 12px; overflow: hidden; background: #0a1219; }
.media-container img { width: 100%; display: block; }
.media-overlay { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: linear-gradient(to top,rgba(15,25,35,.8),transparent); display: flex; align-items: flex-end; padding: 20px; }
.media-overlay h3 { color: #fff; font-size: 1.1rem; }
.media-overlay p { color: #b0b8c0; font-size: .85rem; }

/* Floating labels */
.floating-label { position: relative; margin-bottom: 20px; }
.floating-label input, .floating-label textarea { width: 100%; padding: 14px 14px 6px; background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.1); border-radius: 8px; color: #fff; font-size: .95rem; transition: border-color .3s; font-family: inherit; }
.floating-label input:focus, .floating-label textarea:focus { outline: none; border-color: #00d4aa; }
.floating-label label { position: absolute; top: 14px; left: 14px; color: #667788; font-size: .9rem; transition: all .2s ease; pointer-events: none; }
.floating-label input:focus ~ label, .floating-label input:not(:placeholder-shown) ~ label, .floating-label textarea:focus ~ label, .floating-label textarea:not(:placeholder-shown) ~ label { top: 4px; font-size: .75rem; color: #00d4aa; }
.floating-label input::placeholder, .floating-label textarea::placeholder { color: transparent; }

/* Gradient text variations */
.gradient-text { background: linear-gradient(135deg,#00d4aa,#00f5d4); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.gradient-text-blue { background: linear-gradient(135deg,#00d4aa,#4facfe); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

/* Shadow variations */
.shadow-sm { box-shadow: 0 2px 8px rgba(0,0,0,.2); }
.shadow-md { box-shadow: 0 4px 16px rgba(0,0,0,.3); }
.shadow-lg { box-shadow: 0 8px 32px rgba(0,0,0,.4); }
.shadow-teal { box-shadow: 0 4px 20px rgba(0,212,170,.15); }

/* Border utilities */
.border-teal { border-color: #00d4aa !important; }
.border-bottom-teal { border-bottom: 2px solid #00d4aa; padding-bottom: 4px; display: inline-block; }

/* Background utilities */
.bg-dark { background: #0f1923; }
.bg-darker { background: #0a1219; }
.bg-card { background: rgba(255,255,255,.03); }
.bg-teal-subtle { background: rgba(0,212,170,.05); }

/* Width utilities */
.w-100 { width: 100%; }
.w-auto { width: auto; }
.max-w-300 { max-width: 300px; }
.max-w-500 { max-width: 500px; }
.max-w-700 { max-width: 700px; }
.max-w-900 { max-width: 900px; }

/* Print styles */
/* Hero variants */
.hero-sm { padding: 100px 0 40px; }
.hero-sm h1 { font-size: 2rem; }
.hero-lg { padding: 160px 0 100px; }
.hero-lg h1 { font-size: 3.5rem; }
.hero-left { text-align: left; }
.hero-left p { margin-left: 0; }
.hero-left .hero-features { justify-content: flex-start; }

/* Detailed feature rows */
.feature-row { display: flex; align-items: center; gap: 50px; margin-bottom: 80px; }
.feature-row:nth-child(even) { flex-direction: row-reverse; }
.feature-row-image { flex: 1; border-radius: 16px; overflow: hidden; background: rgba(0,212,170,.03); border: 1px solid rgba(0,212,170,.1); padding: 30px; min-height: 250px; display: flex; align-items: center; justify-content: center; }
.feature-row-content { flex: 1; }
.feature-row-content h2 { font-size: 1.8rem; margin-bottom: 15px; color: #fff; }
.feature-row-content p { color: #8899aa; line-height: 1.7; margin-bottom: 15px; }
.feature-row-content ul { margin: 15px 0; }
.feature-row-content ul li { color: #b0b8c0; padding: 6px 0; display: flex; align-items: center; gap: 8px; }
.feature-row-content ul li::before { content: '✓'; color: #00d4aa; font-weight: 700; }
@media(max-width:768px){ .feature-row, .feature-row:nth-child(even) { flex-direction: column; gap: 30px; } .feature-row-content h2 { font-size: 1.4rem; } }

/* Platform badges */
.platform-badges { display: flex; gap: 10px; flex-wrap: wrap; }
.platform-badge { display: inline-flex; align-items: center; gap: 6px; background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.08); padding: 6px 14px; border-radius: 20px; font-size: .85rem; color: #b0b8c0; transition: border-color .3s,background .3s; }
.platform-badge:hover { border-color: #00d4aa; background: rgba(0,212,170,.08); color: #00d4aa; }
.platform-badge svg { width: 16px; height: 16px; fill: currentColor; }

/* Countdown timer */
.countdown { display: flex; gap: 15px; justify-content: center; }
.countdown-item { text-align: center; }
.countdown-number { display: block; font-size: 2rem; font-weight: 800; color: #00d4aa; line-height: 1; }
.countdown-label { display: block; font-size: .75rem; color: #667788; margin-top: 4px; text-transform: uppercase; letter-spacing: 1px; }

/* Announcement bar */
.announcement-bar { background: linear-gradient(90deg,#00d4aa,#00b894); color: #0f1923; text-align: center; padding: 8px; font-size: .85rem; font-weight: 600; }
.announcement-bar a { color: #0f1923; text-decoration: underline; }
.announcement-bar a:hover { color: #fff; }

/* Cookie consent */
.cookie-consent { position: fixed; bottom: 0; left: 0; right: 0; background: #1a2d3d; border-top: 1px solid rgba(0,212,170,.15); padding: 15px 20px; display: flex; align-items: center; justify-content: space-between; gap: 15px; z-index: 9999; transform: translateY(100%); transition: transform .3s ease; }
.cookie-consent.show { transform: translateY(0); }
.cookie-consent p { color: #b0b8c0; font-size: .85rem; margin: 0; }
.cookie-consent button { background: #00d4aa; color: #0f1923; border: none; padding: 8px 20px; border-radius: 6px; font-weight: 600; cursor: pointer; font-size: .85rem; white-space: nowrap; }

/* Sidebar */
.sidebar { position: sticky; top: 100px; }
.sidebar-card { background: rgba(255,255,255,.03); border: 1px solid rgba(255,255,255,.08); border-radius: 12px; padding: 20px; margin-bottom: 20px; }
.sidebar-card h4 { font-size: .95rem; color: #fff; margin-bottom: 12px; }
.sidebar-card a { display: block; color: #8899aa; font-size: .88rem; padding: 5px 0; transition: color .3s; }
.sidebar-card a:hover { color: #00d4aa; }
.sidebar-card a.active { color: #00d4aa; font-weight: 500; }

/* Code blocks */
code { background: rgba(0,212,170,.1); color: #00d4aa; padding: 2px 6px; border-radius: 4px; font-size: .85em; font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace; }
pre { background: #0a1219; border: 1px solid rgba(255,255,255,.06); border-radius: 8px; padding: 16px 20px; overflow-x: auto; margin: 20px 0; }
pre code { background: none; color: #b0b8c0; padding: 0; font-size: .9rem; line-height: 1.6; }

/* Table wrapper for responsive tables */
.table-wrapper { overflow-x: auto; margin: 20px 0; }
.table-wrapper table { width: 100%; border-collapse: collapse; min-width: 600px; }
.table-wrapper th, .table-wrapper td { padding: 10px 14px; text-align: left; border-bottom: 1px solid rgba(255,255,255,.06); color: #b0b8c0; font-size: .9rem; }
.table-wrapper th { color: #00d4aa; font-weight: 600; font-size: .85rem; text-transform: uppercase; }

/* Image gallery */
.gallery { display: grid; grid-template-columns: repeat(auto-fill,minmax(250px,1fr)); gap: 15px; }
.gallery-item { border-radius: 8px; overflow: hidden; cursor: pointer; transition: transform .3s; }
.gallery-item:hover { transform: scale(1.02); }
.gallery-item img { width: 100%; height: 180px; object-fit: cover; }

/* Loading states */
.loading-dots { display: flex; gap: 6px; justify-content: center; align-items: center; padding: 20px; }
.loading-dots span { width: 8px; height: 8px; border-radius: 50%; background: #00d4aa; animation: dotPulse 1.4s ease-in-out infinite; }
.loading-dots span:nth-child(2) { animation-delay: .2s; }
.loading-dots span:nth-child(3) { animation-delay: .4s; }
@keyframes dotPulse { 0%,80%,100% { transform: scale(.6); opacity: .4; } 40% { transform: scale(1); opacity: 1; } }

/* Empty state */
.empty-state { text-align: center; padding: 60px 20px; }
.empty-state svg { width: 64px; height: 64px; fill: #556677; margin-bottom: 20px; }
.empty-state h3 { color: #8899aa; font-size: 1.1rem; margin-bottom: 8px; }
.empty-state p { color: #667788; font-size: .9rem; }

/* Error page detail */
.error-page { text-align: center; padding: 80px 20px; }
.error-page .error-code { font-size: 6rem; font-weight: 800; background: linear-gradient(135deg,#00d4aa,#00b894); -webkit-background-clip: text; -webkit-text-fill-color: transparent; line-height: 1; margin-bottom: 10px; }
.error-page h2 { font-size: 1.5rem; margin-bottom: 15px; }
.error-page p { color: #8899aa; margin-bottom: 25px; max-width: 400px; margin-left: auto; margin-right: auto; }
.error-page .btn { display: inline-block; }

/* Card hover effects */
.card-hover-glow:hover { box-shadow: 0 0 30px rgba(0,212,170,.1); }
.card-hover-border:hover { border-color: #00d4aa; }
.card-hover-lift:hover { transform: translateY(-6px); box-shadow: 0 12px 40px rgba(0,0,0,.3); }

/* Text truncation */
.text-truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.text-clamp-2 { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.text-clamp-3 { display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }

/* Z-index layers */
.z-dropdown { z-index: 1000; }
.z-sticky { z-index: 1020; }
.z-fixed { z-index: 1030; }
.z-modal { z-index: 1040; }
.z-toast { z-index: 1050; }

/* Focus visible for accessibility */
:focus-visible { outline: 2px solid #00d4aa; outline-offset: 2px; }
:focus:not(:focus-visible) { outline: none; }

/* Reduced motion */
/* RTL support */
[dir="rtl"] .header-inner { flex-direction: row-reverse; }
[dir="rtl"] .hero-features span::before { content: ' ◂'; }
[dir="rtl"] .footer-grid { direction: rtl; }
[dir="rtl"] .feature-row { flex-direction: row-reverse; }
[dir="rtl"] .feature-row:nth-child(even) { flex-direction: row; }

/* Specific page layouts */
.layout-sidebar { display: grid; grid-template-columns: 260px 1fr; gap: 40px; }
@media(max-width:900px){ .layout-sidebar { grid-template-columns: 1fr; } }

/* Inline SVG color overrides */
.icon-teal { fill: #00d4aa; }
.icon-muted { fill: #667788; }
.icon-white { fill: #fff; }

/* Hover card with reveal */
.reveal-card { position: relative; overflow: hidden; }
.reveal-card .reveal-content { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,212,170,.9); color: #0f1923; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 20px; opacity: 0; transition: opacity .3s; }
.reveal-card:hover .reveal-content { opacity: 1; }
.reveal-content h4 { font-size: 1.1rem; margin-bottom: 8px; }
.reveal-content p { font-size: .9rem; text-align: center; }

/* Notification dot */
.notif-dot { position: relative; }
.notif-dot::after { content: ''; position: absolute; top: -2px; right: -2px; width: 8px; height: 8px; background: #00d4aa; border-radius: 50%; border: 2px solid #0f1923; }

/* Status indicators */
.status-indicator { display: inline-flex; align-items: center; gap: 6px; font-size: .85rem; }
.status-indicator::before { content: ''; width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.status-online::before { background: #00d4aa; }
.status-away::before { background: #ffc107; }
.status-offline::before { background: #dc3545; }

/* Marquee / scrolling text */
.marquee { overflow: hidden; white-space: nowrap; }
.marquee-content { display: inline-block; animation: marquee 30s linear infinite; }
@keyframes marquee { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

/* Animated underline */
.animated-underline { position: relative; display: inline-block; }
.animated-underline::after { content: ''; position: absolute; bottom: 0; left: 0; width: 100%; height: 2px; background: #00d4aa; transform: scaleX(0); transform-origin: right; transition: transform .3s; }
.animated-underline:hover::after { transform: scaleX(1); transform-origin: left; }

/* Split layout */
.split-layout { display: grid; grid-template-columns: 1fr 1fr; min-height: 100vh; }
.split-visual { background: linear-gradient(135deg,rgba(0,212,170,.05),rgba(0,212,170,.02)); display: flex; align-items: center; justify-content: center; padding: 40px; }
.split-form { display: flex; align-items: center; justify-content: center; padding: 40px; }
@media(max-width:768px){ .split-layout { grid-template-columns: 1fr; } }

/* Mega menu */
.mega-menu { position: absolute; top: 100%; left: 0; right: 0; background: #1a2d3d; border: 1px solid rgba(0,212,170,.1); border-radius: 0 0 12px 12px; padding: 30px; display: none; z-index: 100; }
nav li:hover .mega-menu { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.mega-menu-col h5 { color: #00d4aa; font-size: .85rem; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 10px; }
.mega-menu-col a { color: #8899aa; font-size: .9rem; padding: 4px 0; display: block; }

/* Card grid with featured */
.card-featured { position: relative; overflow: hidden; }
.card-featured::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: linear-gradient(90deg,#00d4aa,#00f5d4); }
    *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}

/* Dark mode preference already applied - this is the dark theme */

.sys-req-grid { grid-template-columns: repeat(4,1fr); }
@media (max-width: 768px) {
    .sys-req-grid { grid-template-columns: repeat(2,1fr); }
}
@media print {
    header, footer, .mobile-toggle, .lang-select, .btn-download-nav, .scroll-top, .toast { display: none !important; }
    body { background: #fff; color: #000; }
    .hero { padding: 20px 0; background: none; }
    .hero h1 { -webkit-text-fill-color: #000; }
    a { color: #000; text-decoration: underline; }
}