:root {
    --bg-color: #050a14;
    --card-bg: rgba(255, 255, 255, 0.03);
    --primary-color: #d4af37;
    --primary-glow: rgba(212, 175, 55, 0.3);
    --text-color: #e0e6ed;
    --text-dim: #94a3b8;
    --accent-blue: #3b82f6;
    --glass-border: rgba(255, 255, 255, 0.1);
    --container-width: 1200px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: 'Outfit', sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}

#particle-canvas {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: 0;
    pointer-events: none;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
    z-index: 1;
}

/* Typography */
h1 { font-size: 4rem; line-height: 1.1; margin-bottom: 1.5rem; font-weight: 700; }
h1 span { color: var(--primary-color); text-shadow: 0 0 20px var(--primary-glow); }
h2 { font-size: 2.5rem; margin-bottom: 1rem; font-weight: 600; }
h3 { font-size: 1.3rem; margin-bottom: 0.8rem; color: #fff; }
p { font-size: 1.05rem; color: var(--text-dim); }

/* Header */
header { position: fixed; top: 0; width: 100%; z-index: 1000; padding: 1.5rem 0; transition: all 0.3s ease; background: transparent; }
header.scrolled { background: rgba(5, 10, 20, 0.85); backdrop-filter: blur(15px); padding: 1rem 0; border-bottom: 1px solid var(--glass-border); }
nav { display: flex; justify-content: space-between; align-items: center; }
.logo { font-size: 1.8rem; font-weight: 700; letter-spacing: 2px; color: #fff; }
.nav-links { display: flex; list-style: none; gap: 2.5rem; align-items: center; }
.nav-links a { text-decoration: none; color: var(--text-color); font-weight: 400; font-size: 0.95rem; transition: color 0.3s ease; }
.nav-links a:hover { color: var(--primary-color); }
.nav-right { display: flex; align-items: center; gap: 1.5rem; }

.menu-toggle { display: none; flex-direction: column; gap: 5px; cursor: pointer; z-index: 1001; }
.menu-toggle span { width: 25px; height: 2px; background: #fff; transition: all 0.3s ease; }

.lang-select {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-color);
    border: 1px solid var(--glass-border);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    outline: none;
    cursor: pointer;
    font-family: 'Outfit', sans-serif;
    transition: all 0.3s ease;
}
.lang-select:hover { border-color: var(--primary-color); }
.lang-select option { background: var(--bg-color); color: var(--text-color); }

/* Buttons */
.btn { display: inline-block; padding: 0.8rem 2rem; border-radius: 50px; text-decoration: none; font-weight: 600; transition: all 0.3s ease; cursor: pointer; border: none; font-size: 1rem; }
.btn-primary { background: linear-gradient(135deg, var(--primary-color), #b8860b); color: #000; box-shadow: 0 10px 20px rgba(0,0,0,0.2); }
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 15px 30px var(--primary-glow); }
.btn-secondary { background: rgba(255,255,255,0.05); color: #fff; border: 1px solid var(--glass-border); }
.btn-outline { border: 1px solid var(--primary-color); color: var(--primary-color); }
.btn-outline:hover { background: var(--primary-color); color: #000; }
.btn-block { display: block; text-align: center; width: 100%; }
.btn-lg { padding: 1.2rem 3rem; font-size: 1.15rem; }

/* Badge */
.badge {
    display: inline-block;
    padding: 0.4rem 1.2rem;
    background: rgba(59, 130, 246, 0.1);
    color: var(--accent-blue);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(59, 130, 246, 0.2);
}

/* ========== HERO ========== */
.hero { padding: 12rem 0 6rem; background: radial-gradient(circle at 80% 20%, rgba(212, 175, 55, 0.05) 0%, transparent 40%); position: relative; }
.hero-grid { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 4rem; align-items: center; }
.hero-btns { margin-top: 2.5rem; display: flex; gap: 1.5rem; flex-wrap: wrap; }
.hero-image img { max-width: 100%; border-radius: 20px; box-shadow: 0 30px 60px rgba(0,0,0,0.5); }

/* ========== STATS BAR ========== */
.stats-bar {
    padding: 3rem 0;
    background: rgba(212, 175, 55, 0.03);
    border-top: 1px solid var(--glass-border);
    border-bottom: 1px solid var(--glass-border);
}
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; text-align: center; }
.stat-item { padding: 1.5rem; }
.stat-number { font-size: 3.5rem; font-weight: 800; color: var(--primary-color); text-shadow: 0 0 20px var(--primary-glow); }
.stat-suffix { font-size: 2.5rem; font-weight: 700; color: var(--primary-color); }
.stat-item p { margin-top: 0.5rem; font-size: 0.95rem; font-weight: 500; }

/* ========== SECTION HEADER ========== */
.section-header { text-align: center; margin-bottom: 4rem; }
.section-header h2 { margin-top: 0.5rem; }

/* ========== FEATURES ========== */
.features { padding: 8rem 0; }
.feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.5rem; }
.feature-card {
    background: var(--card-bg);
    padding: 2.5rem 2rem;
    border-radius: 20px;
    border: 1px solid var(--glass-border);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(5px);
}
.feature-card:hover { transform: translateY(-8px); background: rgba(255,255,255,0.05); border-color: var(--primary-color); box-shadow: 0 20px 40px rgba(212, 175, 55, 0.08); }
.feature-card .icon { font-size: 2.2rem; margin-bottom: 1.2rem; }

/* ========== HOW IT WORKS ========== */
.how-it-works { padding: 8rem 0; background: radial-gradient(circle at 20% 80%, rgba(59, 130, 246, 0.04) 0%, transparent 40%); }
.steps-grid { display: flex; align-items: center; justify-content: center; gap: 0; }
.step-card {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 3rem 2.5rem;
    text-align: center;
    flex: 1;
    max-width: 320px;
    position: relative;
    transition: all 0.3s ease;
}
.step-card:hover { border-color: var(--primary-color); transform: translateY(-5px); }
.step-number {
    position: absolute;
    top: -18px;
    left: 50%;
    transform: translateX(-50%);
    width: 36px; height: 36px;
    background: linear-gradient(135deg, var(--primary-color), #b8860b);
    color: #000;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-weight: 700;
    font-size: 1rem;
}
.step-icon { font-size: 2.5rem; margin-bottom: 1.5rem; margin-top: 1rem; }
.step-connector { width: 60px; height: 2px; background: linear-gradient(90deg, var(--glass-border), var(--primary-color), var(--glass-border)); flex-shrink: 0; }

/* ========== PRIVACY ========== */
.privacy-deep { padding: 6rem 0; }
.privacy-box {
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.05), rgba(5, 10, 20, 0.5));
    padding: 5rem;
    border-radius: 40px;
    text-align: center;
    border: 1px solid var(--glass-border);
}
.privacy-icon { font-size: 4rem; margin-bottom: 2rem; }
.privacy-features { display: flex; justify-content: center; gap: 2rem; flex-wrap: wrap; margin-top: 3rem; }
.privacy-feat {
    display: flex; align-items: center; gap: 0.8rem;
    background: rgba(255,255,255,0.03);
    padding: 0.8rem 1.5rem;
    border-radius: 50px;
    border: 1px solid var(--glass-border);
    font-size: 0.95rem;
    color: var(--text-color);
}
.pf-icon { font-size: 1.3rem; }

/* ========== COMPARISON ========== */
.comparison { padding: 8rem 0; }
.table-wrapper { overflow-x: auto; border-radius: 20px; border: 1px solid var(--glass-border); }
.comparison-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 1rem;
}
.comparison-table th, .comparison-table td { padding: 1.2rem 1.5rem; text-align: center; border-bottom: 1px solid var(--glass-border); }
.comparison-table th { background: rgba(255,255,255,0.03); color: #fff; font-weight: 600; font-size: 1.05rem; }
.comparison-table td { color: var(--text-dim); }
.comparison-table td:first-child { text-align: left; color: var(--text-color); font-weight: 500; }
.comparison-table .highlight-col { background: rgba(212, 175, 55, 0.06); color: var(--primary-color) !important; font-weight: 600; }
.comparison-table thead .highlight-col { background: rgba(212, 175, 55, 0.12); color: var(--primary-color); font-size: 1.1rem; }
.comparison-table tbody tr:hover { background: rgba(255,255,255,0.02); }
.price-cell { font-weight: 700 !important; }

/* ========== PRICING ========== */
.pricing { padding: 8rem 0; background: radial-gradient(circle at 50% 50%, rgba(212, 175, 55, 0.03) 0%, transparent 50%); }
.pricing-card {
    max-width: 520px;
    margin: 0 auto;
    background: var(--card-bg);
    border-radius: 32px;
    padding: 4rem;
    border: 1px solid var(--primary-color);
    box-shadow: 0 0 60px rgba(212, 175, 55, 0.08);
    position: relative;
    overflow: hidden;
}
.pricing-ribbon {
    position: absolute;
    top: 22px; right: -35px;
    background: linear-gradient(135deg, var(--primary-color), #b8860b);
    color: #000;
    padding: 0.4rem 3rem;
    font-size: 0.75rem;
    font-weight: 700;
    transform: rotate(45deg);
    letter-spacing: 1px;
}
.pricing-header { text-align: center; margin-bottom: 2.5rem; }
.price { font-size: 4rem; font-weight: 700; margin: 1rem 0; color: #fff; }
.pricing-features { list-style: none; margin-bottom: 2.5rem; }
.pricing-features li { padding: 0.9rem 0; border-bottom: 1px solid var(--glass-border); color: var(--text-color); }
.tax-notice { font-size: 0.8rem; color: var(--text-dim); margin-top: 1rem; text-align: center; font-style: italic; opacity: 0.8; }

/* ========== FAQ ========== */
.faq { padding: 8rem 0; }
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item { margin-bottom: 1rem; border: 1px solid var(--glass-border); border-radius: 16px; overflow: hidden; transition: border-color 0.3s ease; }
.faq-item.active { border-color: var(--primary-color); }
.faq-question {
    width: 100%;
    padding: 1.5rem 2rem;
    background: var(--card-bg);
    border: none;
    color: var(--text-color);
    font-family: 'Outfit', sans-serif;
    font-size: 1.05rem;
    font-weight: 500;
    cursor: pointer;
    text-align: left;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s ease;
}
.faq-question::after { content: '+'; font-size: 1.5rem; color: var(--primary-color); transition: transform 0.3s ease; font-weight: 300; }
.faq-item.active .faq-question::after { content: '−'; transform: rotate(180deg); }
.faq-question:hover { background: rgba(255,255,255,0.03); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.3s ease; }
.faq-item.active .faq-answer { max-height: 300px; }
.faq-answer p { padding: 0 2rem 1.5rem; line-height: 1.7; }

/* ========== CTA ========== */
.download-cta { padding: 6rem 0; }
.cta-box {
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.08), rgba(59, 130, 246, 0.05));
    border: 1px solid var(--glass-border);
    border-radius: 40px;
    padding: 5rem;
    text-align: center;
}
.cta-box h2 { color: #fff; }
.cta-box p { max-width: 600px; margin: 0 auto; }
.cta-btns { margin-top: 2.5rem; display: flex; flex-direction: column; align-items: center; gap: 1rem; }
.cta-meta { font-size: 0.85rem; color: var(--text-dim); }

/* ========== FOOTER ========== */
footer { padding: 6rem 0 3rem; background: #03060a; border-top: 1px solid var(--glass-border); position: relative; z-index: 1; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 3rem; margin-bottom: 4rem; }
.footer-info p { margin-top: 1rem; max-width: 300px; }
.footer-links h4 { margin-bottom: 1.5rem; color: #fff; font-size: 1rem; }
.footer-links ul { list-style: none; }
.footer-links li { margin-bottom: 0.8rem; }
.footer-links a { color: var(--text-dim); text-decoration: none; transition: color 0.3s ease; }
.footer-links a:hover { color: var(--primary-color); }
.footer-bottom { padding-top: 3rem; border-top: 1px solid var(--glass-border); text-align: center; }

/* ========== SCROLL ANIMATIONS ========== */
.reveal { opacity: 0; transform: translateY(40px); transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1); }
.reveal.revealed { opacity: 1; transform: translateY(0); }
.reveal-right { transform: translateX(60px) !important; }
.reveal-right.revealed { transform: translateX(0) !important; }

/* ========== FLOATING ANIMATION ========== */
.floating { animation: float 6s ease-in-out infinite; }
@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
    100% { transform: translateY(0px); }
}

/* ========== RESPONSIVE ========== */
@media (max-width: 992px) {
    h1 { font-size: 2.8rem; }
    h2 { font-size: 2rem; }
    .hero { padding: 8rem 0 4rem; }
    .hero-grid { grid-template-columns: 1fr; text-align: center; gap: 3rem; }
    .hero-btns { justify-content: center; }
    .hero-image { order: -1; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .steps-grid { flex-direction: column; gap: 1.5rem; }
    .step-connector { width: 2px; height: 40px; background: linear-gradient(180deg, var(--glass-border), var(--primary-color), var(--glass-border)); }
    .step-card { max-width: 100%; }
    .privacy-box { padding: 3rem 2rem; }
    .footer-grid { grid-template-columns: 1fr 1fr; text-align: center; }
    .footer-info { grid-column: 1 / -1; }
    .footer-info p { margin: 1rem auto 0; }
    .menu-toggle { display: flex; }
    .nav-links {
        position: fixed; top: 0; right: -100%;
        width: 80%; height: 100vh;
        background: rgba(5, 10, 20, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        transition: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
        z-index: 1000;
        border-left: 1px solid var(--glass-border);
    }
    .nav-links.active { right: 0; }
    .nav-links li { margin: 1.5rem 0; }
    .nav-links a { font-size: 1.2rem; }
}

@media (max-width: 768px) {
    .container { padding: 0 1.5rem; }
    h1 { font-size: 2.2rem; }
    .price { font-size: 3rem; }
    .pricing-card { padding: 2.5rem 1.5rem; }
    .feature-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .stat-number { font-size: 2.5rem; }
    .cta-box { padding: 3rem 1.5rem; }
    .footer-grid { grid-template-columns: 1fr; }
    .comparison-table { font-size: 0.85rem; }
    .comparison-table th, .comparison-table td { padding: 0.8rem; }
}

/* RTL */
body[dir="rtl"] .nav-links { right: auto; left: -100%; border-left: none; border-right: 1px solid var(--glass-border); }
body[dir="rtl"] .nav-links.active { left: 0; }
body[dir="rtl"] { text-align: right; }
body[dir="rtl"] .faq-question { text-align: right; }
body[dir="rtl"] .comparison-table td:first-child { text-align: right; }

/* Mockup Frame & Simulator Interactivity */
.sim-dropzone-ui:hover {
    border-color: #d4af37 !important;
    background: rgba(212, 175, 55, 0.04) !important;
    box-shadow: 0 0 25px rgba(212, 175, 55, 0.05);
}
.mockup-tab:hover {
    background: rgba(255, 255, 255, 0.08) !important;
    opacity: 1 !important;
}
.mockup-tab.active {
    background: rgba(212, 175, 55, 0.15) !important;
    border-color: rgba(212, 175, 55, 0.4) !important;
    color: var(--primary-color) !important;
    opacity: 1 !important;
}
.mockup-view {
    transition: opacity 0.4s ease-in-out;
}