:root {
    --bg-color: #0A0A0A;
    --surface-color: #141414;
    --text-primary: #FFFFFF;
    --text-secondary: #A0A0A0;
    --accent-color: #2A85FF;
    --accent-hover: #1A75FF;
    --border-color: rgba(255, 255, 255, 0.1);
    --btn-secondary-bg: rgba(255, 255, 255, 0.05);
    --btn-secondary-hover: rgba(255, 255, 255, 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
    display: flex;
    justify-content: center;
}

.landing-container {
    width: 100%;
    max-width: 480px;
    min-height: 100dvh; /* Flexible height to prevent content cutoff on tiny screens */
    display: flex;
    flex-direction: column;
    padding: clamp(20px, 3vh, 32px) 20px;
    position: relative;
    background: radial-gradient(circle at top, rgba(42, 133, 255, 0.08) 0%, transparent 40%);
    justify-content: space-between;
}

/* Logo Area */
.logo-area {
    display: flex;
    flex-shrink: 0;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: clamp(16px, 3vh, 32px);
    animation: fadeIn 0.8s ease-out;
}

.logo-icon {
    color: var(--text-primary);
    display: flex;
    align-items: center;
}

.brand-name {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
}

/* Slider */
.slider-container {
    width: 100%;
    flex-shrink: 0;
    aspect-ratio: 16/9; /* Adjusted for 16:9 images */
    border-radius: 20px;
    overflow: hidden;
    position: relative;
    margin-bottom: clamp(16px, 3vh, 32px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.4);
    animation: scaleIn 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    background-color: var(--surface-color);
}

.slider {
    width: 100%;
    height: 100%;
    position: relative;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    object-fit: cover;
    object-position: center;
    opacity: 0;
    transition: opacity 0.8s ease-in-out, transform 4s linear;
    transform: scale(1.05);
}

.slide.active {
    opacity: 1;
    transform: scale(1);
}

/* Slider Indicators */
.slider-indicators {
    display: none; /* Hidden requested by user so it doesn't overlap image text */
    position: absolute;
    bottom: 12px;
    left: 0;
    width: 100%;
    /* display: flex; */
    justify-content: center;
    gap: 6px;
    z-index: 10;
}

.indicator {
    width: 32px;
    height: 4px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 2px;
    overflow: hidden;
    position: relative;
}

.indicator-fill {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 0%;
    background: #FFFFFF;
    border-radius: 2px;
}

.indicator.active .indicator-fill {
    transition: width 3s linear;
    width: 100%;
}

/* Text Content */
.text-content {
    text-align: center;
    margin-bottom: clamp(16px, 3vh, 32px);
    animation: slideUp 0.6s ease-out 0.2s both;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.main-title {
    font-size: clamp(20px, 4.5vh, 24px);
    font-weight: 600;
    margin-bottom: clamp(12px, 2.5vh, 20px);
    line-height: 1.2;
}

.features {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 6px;
    margin-bottom: clamp(12px, 2.5vh, 20px);
}

.feature-tag {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    padding: 4px 12px;
    border-radius: 100px;
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all 0.3s ease;
}

.feature-tag:hover {
    border-color: rgba(255, 255, 255, 0.3);
    color: var(--text-primary);
}

.description {
    font-size: clamp(12px, 2vh, 14px);
    line-height: 1.5;
    color: var(--text-secondary);
    display: none; /* Hide description on mobile to save vertical space if strictly needed, or let media query enable it */
}

@media (min-height: 680px) {
    .description {
        display: block;
    }
}

/* Actions */
.action-buttons {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: clamp(16px, 3vh, 32px);
    animation: slideUp 0.6s ease-out 0.4s both;
}

.btn {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: clamp(14px, 2.5vh, 16px) 24px;
    border-radius: 14px;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s ease;
    border: none;
    cursor: pointer;
}

.btn-icon {
    width: 20px;
    height: 20px;
}

.btn-primary {
    background: var(--accent-color);
    color: white;
    box-shadow: 0 4px 14px rgba(42, 133, 255, 0.3);
}

.btn-primary:hover, .btn-primary:active {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(42, 133, 255, 0.4);
}

.btn-secondary {
    background: var(--btn-secondary-bg);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover, .btn-secondary:active {
    background: var(--btn-secondary-hover);
    transform: translateY(-2px);
}

/* Footer */
.footer {
    flex-shrink: 0;
    margin-top: auto;
    text-align: center;
    border-top: 1px solid var(--border-color);
    padding-top: clamp(16px, 3vh, 24px);
    animation: fadeIn 0.6s ease-out 0.6s both;
}

.company-desc {
    font-size: 11px;
    color: var(--text-secondary);
    margin-bottom: 8px;
    line-height: 1.4;
}

.legal-details {
    font-size: 10px;
    color: #666;
    margin-bottom: 8px;
    line-height: 1.4;
}

.copyright {
    font-size: 10px;
    color: #555;
}

/* Hover effects for mobile */
@media (hover: none) {
    .btn-primary:hover, .btn-secondary:hover {
        transform: none;
        box-shadow: none;
    }
}

/* Desktop Version Layout */
@media (min-width: 768px) {
    body {
        align-items: center; /* Center horizontally and vertically */
    }
    
    .landing-container {
        max-width: 1000px; /* Wider for more premium feel */
        height: auto;
        min-height: 520px;
        padding: 48px;
        border-radius: 24px;
        background: radial-gradient(circle at top right, rgba(42, 133, 255, 0.06) 0%, #0d0d0d 60%);
        box-shadow: 0 40px 80px rgba(0,0,0,0.7); /* Deeper shadow */
        border: 1px solid rgba(255, 255, 255, 0.05);
        display: grid;
        grid-template-columns: 1.5fr 1fr; /* Image gets slightly more focus */
        grid-template-rows: auto 1fr auto;
        column-gap: 50px;
        align-items: center;
        overflow: visible; 
    }
    
    .logo-area {
        grid-column: 1 / -1;
        justify-content: center; /* Center logo on desktop */
        margin-bottom: 40px;
    }
    
    .slider-container {
        grid-column: 1 / 2;
        grid-row: 2 / 4;
        margin-bottom: 0;
        box-shadow: 0 20px 40px rgba(0,0,0,0.5);
    }
    
    .text-content {
        grid-column: 2 / 3;
        grid-row: 2 / 3;
        text-align: left;
        margin-bottom: 30px;
    }
    
    .main-title {
        font-size: 28px;
        margin-bottom: 24px;
        line-height: 1.3;
    }
    
    .features {
        justify-content: flex-start;
        margin-bottom: 24px;
    }
    
    .description {
        display: block; /* Always visible on desktop */
        font-size: 15px;
    }
    
    .action-buttons {
        grid-column: 2 / 3;
        grid-row: 3 / 4;
        margin-bottom: 0;
    }

    .btn {
        padding: 18px 24px;
        font-size: 16px;
    }
    
    .footer {
        grid-column: 1 / -1;
        margin-top: 40px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        text-align: left;
    }
    
    .company-desc {
        text-align: left;
        margin-bottom: 0;
        max-width: 400px;
        font-size: 12px;
    }
    
    .legal-details {
        margin-bottom: 0;
        text-align: right;
        font-size: 11px;
    }

    .copyright {
        display: none; /* Can omit or mix with legal details to save space in footer */
    }
}