/* ============ DESIGN SYSTEM & BASE ============ */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-primary: #06060c;
    --bg-secondary: #0b0b16;
    --bg-card: rgba(22, 22, 38, 0.4);
    --border: rgba(99, 102, 241, 0.12);
    --border-hover: rgba(99, 102, 241, 0.35);
    
    --text-primary: #ffffff;
    --text-secondary: #9aa0b9;
    --text-muted: #5e6681;
    
    --accent: #3b82f6;
    --accent-glow: rgba(59, 130, 246, 0.15);
    --accent-gradient: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    
    --radius: 16px;
    --radius-sm: 8px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font: 'Inter', -apple-system, sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    overflow-x: hidden;
    line-height: 1.6;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ============ GLOW ORBS ============ */
.glow-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    pointer-events: none;
    z-index: 0;
}

.glow-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(140px);
    opacity: 0.45;
}

#orb1 {
    top: -5%;
    left: 15%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.25) 0%, rgba(139, 92, 246, 0.08) 100%);
}

#orb2 {
    top: 25%;
    right: 5%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.18) 0%, rgba(59, 130, 246, 0.05) 100%);
}

#orb3 {
    bottom: 10%;
    left: 10%;
    width: 550px;
    height: 550px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.15) 0%, rgba(139, 92, 246, 0.05) 100%);
}

/* ============ WARNING BANNER ============ */
.warning-banner {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 32px;
    background: rgba(244, 63, 94, 0.06);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(244, 63, 94, 0.15);
    z-index: 102;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.marquee {
    display: inline-flex;
    white-space: nowrap;
    animation: marquee-scroll 45s linear infinite;
    gap: 4rem;
}

.marquee span {
    font-size: 11px;
    font-weight: 700;
    color: #f43f5e;
    letter-spacing: 0.5px;
}

@keyframes marquee-scroll {
    0% {
        transform: translate3d(0, 0, 0);
    }
    100% {
        transform: translate3d(-50%, 0, 0);
    }
}

/* ============ HEADER & NAV ============ */
.header {
    position: fixed;
    top: 32px;
    left: 0;
    width: 100%;
    z-index: 100;
    background: rgba(6, 6, 12, 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
}

.header-container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 18px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
}

.logo img {
    width: 32px;
    height: 32px;
    object-fit: contain;
}

.logo-text {
    font-size: 19px;
    font-weight: 700;
    letter-spacing: -0.5px;
    background: linear-gradient(135deg, #ffffff 0%, #d1d5db 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 8px;
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.03);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.social-links {
    display: flex;
    align-items: center;
    gap: 12px;
}

.social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

.social-icon:hover {
    color: var(--text-primary);
    border-color: var(--border-hover);
    background: rgba(59, 130, 246, 0.1);
    transform: translateY(-2px);
}

.lang-selector {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border);
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
}

/* ============ HERO SECTION ============ */
.hero {
    position: relative;
    padding-top: 182px;
    padding-bottom: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 85vh;
    text-align: center;
    z-index: 1;
}

.hero-container {
    max-width: 850px;
    padding: 0 24px;
}

.trust-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: rgba(59, 130, 246, 0.08);
    border: 1px solid rgba(59, 130, 246, 0.25);
    border-radius: 30px;
    margin-bottom: 32px;
}

.stars {
    color: #fbbf24;
    font-size: 12px;
}

.trust-text {
    font-size: 12px;
    font-weight: 600;
    color: #93c5fd;
}

.pulse-dot {
    width: 6px;
    height: 6px;
    background-color: #10b981;
    border-radius: 50%;
    display: inline-block;
    box-shadow: 0 0 8px #10b981;
    animation: blink 2s infinite;
}

@keyframes blink {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; }
}

.hero-title {
    font-size: 58px;
    font-weight: 900;
    line-height: 1.15;
    letter-spacing: -2px;
    margin-bottom: 24px;
}

.gradient-text {
    background: linear-gradient(135deg, #60a5fa 0%, #a78bfa 50%, #f472b6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 17.5px;
    color: var(--text-secondary);
    max-width: 680px;
    margin: 0 auto 40px;
}

.hero-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 64px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    font-size: 14.5px;
    font-weight: 600;
    border-radius: 30px;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    color: #ffffff;
    box-shadow: 0 4px 20px rgba(37, 99, 235, 0.3);
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(37, 99, 235, 0.45);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border);
    color: #ffffff;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--border-hover);
    transform: translateY(-2px);
}

.btn-sm {
    padding: 10px 20px;
    font-size: 13px;
}

.btn-full {
    width: 100%;
    justify-content: center;
}

.product-logos {
    display: flex;
    justify-content: center;
    align-items: center;
}

.product-logo-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.logo-wrapper {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8px;
}

.logo-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.product-name {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-secondary);
}

/* ============ SECTION HEADER STYLE ============ */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag-blue, .section-tag-purple {
    display: inline-block;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 12px;
    padding: 4px 12px;
    border-radius: 4px;
}

.section-tag-blue {
    color: #3b82f6;
    background: rgba(59, 130, 246, 0.08);
}

.section-tag-purple {
    color: #8b5cf6;
    background: rgba(139, 92, 246, 0.08);
}

.section-title-large {
    font-size: 42px;
    font-weight: 900;
    letter-spacing: -1.5px;
    margin-bottom: 16px;
}

.section-desc {
    font-size: 16px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ============ PRODUCTS SECTION ============ */
.products-section {
    padding: 100px 0;
    border-top: 1px solid var(--border);
    position: relative;
    z-index: 1;
}

.products-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 40px;
    align-items: start;
}

/* Left Card: Details */
.product-card-details {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 40px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.product-card-header {
    display: flex;
    align-items: center;
    gap: 20px;
}

.product-icon-box {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    padding: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-icon-box img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.badge-popular {
    display: inline-block;
    font-size: 9px;
    font-weight: 800;
    letter-spacing: 1px;
    background: #3b82f6;
    color: #ffffff;
    padding: 2px 6px;
    border-radius: 4px;
    margin-bottom: 4px;
}

.product-card-title {
    font-size: 24px;
    font-weight: 800;
}

.product-card-desc {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.7;
}

.product-price-box {
    display: flex;
    align-items: baseline;
    gap: 8px;
    margin: 8px 0;
    padding: 12px 16px;
    background: rgba(59, 130, 246, 0.05);
    border: 1px solid rgba(59, 130, 246, 0.15);
    border-radius: 8px;
    width: fit-content;
}

.price-num {
    font-size: 32px;
    font-weight: 900;
    background: linear-gradient(135deg, #60a5fa 0%, #3b82f6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-family: 'Inter', sans-serif;
}

.price-type {
    font-size: 13px;
    color: #9aa0b9;
    font-weight: 500;
}

.product-card-features {
    list-style: none;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.product-card-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13.5px;
    color: var(--text-primary);
}

.product-card-features svg {
    color: #3b82f6;
    flex-shrink: 0;
}

.product-card-cta {
    margin-top: 8px;
}

/* Right Card: Simulator */
.simulator-card {
    background: rgba(11, 11, 22, 0.6);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 30px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.simulator-header h3 {
    font-size: 20px;
    font-weight: 800;
    margin-bottom: 4px;
}

.simulator-header p {
    font-size: 13px;
    color: var(--text-secondary);
}

/* Simulator UI */
.simulator-screen {
    background: #06060c;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
}

.screen-title-bar {
    background: rgba(22, 22, 38, 0.5);
    border-bottom: 1px solid var(--border);
    padding: 10px 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.screen-title {
    font-size: 11px;
    font-weight: 700;
    color: var(--text-muted);
    letter-spacing: 0.5px;
}

.screen-dots {
    display: flex;
    gap: 4px;
}

.screen-dots span {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: rgba(255,255,255,0.2);
}

.screen-body {
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.param-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 12px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.04);
    border-radius: 6px;
}

.param-label {
    font-size: 11px;
    font-weight: 700;
    color: var(--text-muted);
}

.param-val {
    font-size: 12.5px;
    font-weight: 600;
    color: #60a5fa;
    font-family: 'JetBrains Mono', monospace;
}

.screen-footer {
    padding: 16px;
    border-top: 1px solid var(--border);
    background: rgba(22, 22, 38, 0.2);
}

/* ============ EVERYTHING YOU NEED (GRID) ============ */
.features-section {
    padding: 100px 0;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    position: relative;
    z-index: 1;
}

.features-grid-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.feature-detail-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 40px 32px;
    transition: var(--transition);
}

.feature-detail-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.feature-detail-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    margin-bottom: 24px;
    border: 1px solid rgba(255,255,255,0.05);
}

.box-blue { background: rgba(59, 130, 246, 0.1); color: #3b82f6; }
.box-purple { background: rgba(139, 92, 246, 0.1); color: #8b5cf6; }
.box-green { background: rgba(16, 185, 129, 0.1); color: #10b981; }
.box-orange { background: rgba(249, 115, 22, 0.1); color: #f97316; }
.box-red { background: rgba(239, 68, 68, 0.1); color: #ef4444; }
.box-teal { background: rgba(20, 184, 166, 0.1); color: #14b8a6; }

.feature-detail-card h3 {
    font-size: 19px;
    font-weight: 700;
    margin-bottom: 12px;
}

.feature-detail-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ============ WHO USES LD CHANGER ============ */
.users-section {
    padding: 100px 0;
    position: relative;
    z-index: 1;
}

.users-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
}

.user-use-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 30px;
    transition: var(--transition);
}

.user-use-card:hover {
    border-color: var(--border-hover);
    background: rgba(255, 255, 255, 0.04);
}

.user-card-icon {
    font-size: 28px;
    margin-bottom: 16px;
}

.user-use-card h4 {
    font-size: 16.5px;
    font-weight: 700;
    margin-bottom: 8px;
}

.user-use-card p {
    font-size: 13.5px;
    color: var(--text-secondary);
}

/* ============ SUPPORT SECTION ============ */
.support-section {
    padding: 60px 0;
    position: relative;
    z-index: 1;
}

.support-box {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.15) 0%, rgba(139, 92, 246, 0.05) 100%);
    border: 1px solid rgba(59, 130, 246, 0.25);
    border-radius: var(--radius);
    padding: 60px 40px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.support-box h2 {
    font-size: 32px;
    font-weight: 800;
}

.support-box p {
    color: var(--text-secondary);
    font-size: 16px;
    max-width: 500px;
}

.btn-large {
    padding: 16px 40px;
    font-size: 16px;
    border-radius: 40px;
}

/* ============ GET STARTED SECTION ============ */
.get-started-section {
    padding: 80px 0;
    position: relative;
    z-index: 1;
}

.get-started-box {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.get-started-box h2 {
    font-size: 36px;
    font-weight: 800;
}

.get-started-box p {
    color: var(--text-secondary);
    font-size: 16px;
    margin-bottom: 30px;
}

.started-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    width: 100%;
    max-width: 800px;
}

.started-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    text-align: center;
}

.started-card h4 {
    font-size: 20px;
    font-weight: 800;
}

.started-card p {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 8px;
    max-width: 280px;
}

/* ============ FOOTER ============ */
.footer {
    border-top: 1px solid var(--border);
    padding: 40px 0;
    text-align: center;
    background: var(--bg-secondary);
    position: relative;
    z-index: 1;
}

.footer p {
    color: var(--text-muted);
    font-size: 13.5px;
    margin-bottom: 8px;
}

.footer strong {
    color: var(--text-secondary);
}

/* ============ RESPONSIVE ============ */
@media (max-width: 992px) {
    .products-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 38px;
        letter-spacing: -1px;
    }
    
    .hero-subtitle {
        font-size: 15px;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .nav {
        display: none;
    }
    
    .header-container {
        padding: 14px 16px;
    }
    
    .product-card-features {
        grid-template-columns: 1fr;
    }
    
    .started-grid {
        grid-template-columns: 1fr;
    }
    
    .section-title-large {
        font-size: 30px;
    }
}