/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: #0A0A0A; /* Deep Void Black */
    color: #FFFFFF;
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Inter", sans-serif;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
}

/* Subtle background glow to add depth to the void */
.background-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60vw;
    height: 60vw;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.03) 0%, rgba(10, 10, 10, 0) 70%);
    z-index: 0;
    pointer-events: none;
}

.container {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    max-width: 800px;
    padding: 2rem;
}

/* Logo Setup */
.logo-container {
    width: 120px;
    height: 120px;
    margin-bottom: 2rem;
    animation: fadeIn 2s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}

/* Hero Typography */
.hero h1 {
    font-size: clamp(1.5rem, 4.5vw, 4rem);
    font-weight: 800;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    white-space: nowrap;
    margin-bottom: 1rem;
    animation: slideUp 1.5s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}

.hero .tagline {
    font-size: clamp(1.2rem, 3vw, 2rem);
    font-weight: 300;
    letter-spacing: 0.05em;
    color: #A0A0A0;
    margin-bottom: 3rem;
    animation: slideUp 1.8s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}

/* Description */
.description {
    margin-bottom: 4rem;
    animation: fadeIn 2.5s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}

.description p {
    font-size: 1.1rem;
    line-height: 1.6;
    color: #D0D0D0;
    margin-bottom: 1rem;
}

.patent-text {
    font-size: 0.85rem !important;
    text-transform: uppercase;
    white-space: nowrap;
    letter-spacing: 0.1em;
    color: #666666 !important;
    margin-top: 1.5rem;
}

/* Store Buttons */
.download-section {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    justify-content: center;
    animation: slideUp 2.2s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}

.store-button {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background-color: transparent;
    color: #FFFFFF;
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-decoration: none;
    text-transform: uppercase;
    white-space: nowrap;
    transition: all 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
    /* Strict geometric edges - no border radius */
    border-radius: 0;
}

.store-button:hover {
    background-color: #FFFFFF;
    color: #0A0A0A;
    border-color: #FFFFFF;
    transform: translateY(-2px);
}

.store-button .icon {
    font-size: 1.25rem;
}

/* Footer */
footer {
    margin-top: 5rem;
    font-size: 0.75rem;
    color: #444444;
    letter-spacing: 0.05em;
    animation: fadeIn 3s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}

/* Cinematic Animations */
@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}