body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: #ffffff; /* Improved contrast for dark background */
    margin: 0;
    padding: 0;
    background-color: #1a002e; /* Darker base */
    background-image: 
        /* Subtle Grid Pattern */
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        /* Deep Fluid Textures */
        radial-gradient(at 0% 0%, hsla(285,100%,15%,0.4) 0, transparent 50%), 
        radial-gradient(at 100% 0%, hsla(265,100%,15%,0.4) 0, transparent 50%),
        radial-gradient(at 50% 100%, hsla(280,100%,10%,0.6) 0, transparent 100%),
        /* Grain/Noise Texture Emulation */
        url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3%3Ffilter id='noiseFilter'%3E%3FfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
    background-size: 40px 40px, 40px 40px, 100% 100%, 100% 100%, 100% 100%, 200px 200px;
    background-attachment: fixed;
    background-blend-mode: normal, normal, normal, normal, normal, overlay;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.container {
    max-width: 800px;
    width: 90%;
    margin: 40px auto;
    padding: 40px;
    text-align: center;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

header {
    margin-bottom: 40px;
}

.logo {
    width: 320px; /* Increased size for the wide logo */
    height: auto;
    margin-bottom: 30px;
    filter: drop-shadow(0 0 20px rgba(255, 197, 38, 0.4));
}

h1 {
    font-size: 2.8em;
    margin-bottom: 10px;
    background: linear-gradient(to bottom, #ffffff, #e0e0e0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 800;
}

.tagline {
    font-size: 1.2em;
    opacity: 0.9;
    margin-bottom: 30px;
}

.app-store-link {
    display: inline-block;
    background-color: #ffc526;
    color: #310054;
    padding: 16px 32px;
    text-decoration: none;
    border-radius: 12px;
    margin-top: 20px;
    font-weight: bold;
    transition: transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.app-store-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.3);
}

main {
    margin-bottom: 40px;
    width: 100%;
}

section {
    margin-bottom: 40px;
}

h2 {
    font-size: 1.8em;
    margin-bottom: 20px;
    color: #ffc526; /* High contrast accent color */
}

/* Promo Headline Enhancements */
.promo-headline {
    margin-bottom: 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.promo-label {
    display: inline-block;
    font-size: 0.5em;
    text-transform: uppercase;
    letter-spacing: 4px;
    color: #ffc526;
    background: rgba(255, 197, 38, 0.1);
    padding: 6px 16px;
    border-radius: 50px;
    border: 1px solid rgba(255, 197, 38, 0.2);
    margin-bottom: 15px;
    font-weight: 700;
}

.promo-name {
    display: block;
    font-size: 1.6em;
    font-weight: 900;
    background: linear-gradient(135deg, #ffffff 20%, #ffc526 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.3));
    line-height: 1.1;
}

.promo-card {
    background: rgba(255, 197, 38, 0.05);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 197, 38, 0.2);
    padding: 35px;
    border-radius: 24px;
    margin-top: 20px;
    display: flex;
    align-items: flex-start;
    gap: 35px;
    text-align: left;
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.2);
    position: relative;
    overflow: hidden;
}

.promo-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(
        to right,
        transparent,
        rgba(255, 255, 255, 0.05),
        transparent
    );
    transform: skewX(-25deg);
    transition: 0.75s;
}

.promo-card:hover::before {
    left: 125%;
}

.promo-img {
    width: 160px;
    height: 160px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid #ffc526;
    flex-shrink: 0;
    box-shadow: 0 0 25px rgba(255, 197, 38, 0.3);
    transition: transform 0.4s ease;
}

.promo-card:hover .promo-img {
    transform: rotate(3deg) scale(1.05);
}

.promo-info {
    flex-grow: 1;
}

.promo-bio {
    font-size: 1.1em;
    line-height: 1.7;
    margin-bottom: 20px;
    white-space: pre-line;
    opacity: 0.95;
}

@media (max-width: 600px) {
    .promo-name {
        font-size: 1.3em;
    }
    .promo-card {
        flex-direction: column;
        text-align: center;
        align-items: center;
        padding: 25px;
        gap: 25px;
    }
}

.promo-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4), 0 0 20px rgba(255, 197, 38, 0.1);
    border-color: rgba(255, 197, 38, 0.4);
}

.promo-link {
    display: inline-block;
    margin-top: 20px;
    background-color: #ffc526;
    color: #310054 !important;
    padding: 12px 24px;
    border-radius: 10px;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.promo-link:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 16px rgba(255, 197, 38, 0.3);
    text-decoration: none;
}

footer {
    margin-top: auto;
    width: 100%;
    font-size: 0.9em;
    color: rgba(255, 255, 255, 0.6);
    padding: 40px 0;
    text-align: center;
}

a {
    color: #ffc526;
    text-decoration: none;
    font-weight: 500;
}

a:hover {
    text-decoration: underline;
}