:root {
    --brand-purple: #5B2A62;
    --brand-purple-rgb: 91 42 98;
    --match-yellow: #FFEA01;
    --surface: #f7f9fb;
}
body {
    font-family: 'Inter', sans-serif;
    color: #1a1a1a;
    background-color: #ffffff;
}

h1,
h2,
h3 {
    font-family: 'Playfair Display', serif;
}

.glass-card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%) skewX(-20deg);
    }

    100% {
        transform: translateX(200%) skewX(-20deg);
    }
}
.svg-sprite {
    display: none;
}

.logo-icon {
    width: 53px;
    height: 48px;
}

.hero-doc-card.reveal-active {
    transform: translateY(0) rotate(-2deg);
}

.hero-match-card.reveal-active {
    transform: translateY(0) rotate(4deg);
}

.hero-source-card.reveal-active {
    transform: translateY(0) rotate(1deg);
}

.shimmer-badge {
    position: relative;
    overflow: hidden;
}

.shimmer-badge::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 50%;
    height: 100%;
    background: linear-gradient(to right, transparent, rgba(255, 255, 255, 0.6), transparent);
    animation: shimmer 3s infinite;
}

.reveal-item {
    opacity: 0;
    transform: translateY(30px);
    transition: all 1s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-active {
    opacity: 1;
    transform: translateY(0);
}

.perspective-container {
    perspective: 1200px;
}

.tilt-card {
    transition: transform 0.3s ease-out;
    transform-style: preserve-3d;
}

#constellation-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -5;
    pointer-events: none;
}

main > section:not(.hero-section),
footer {
    content-visibility: auto;
    contain-intrinsic-size: 1px 700px;
}

.top-viewport {
    display: grid;
    grid-template-rows: auto minmax(0, 1fr) auto;
    min-height: 100vh;
    min-height: 100svh;
}

.top-viewport .hero-section {
    height: 100%;
    min-height: 0;
    padding-bottom: 2rem;
    padding-top: 2rem;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0) rotate(4deg);
    }

    50% {
        transform: translateY(-12px) rotate(5.5deg);
    }
}

.animate-bounce-slow {
    animation: float 6s ease-in-out infinite;
}

.spatial-depth {
    box-shadow:
        0 20px 50px rgba(91, 42, 98, 0.05),
        0 5px 15px rgba(0, 0, 0, 0.05);
}

.vertical-accordion {
    display: flex;
    gap: 0;
}

.vertical-accordion details {
    display: flex;
    flex: 0 0 5.5rem;
    height: 440px;
    min-width: 0;
    border-radius: 0;
    transition: flex 0.45s cubic-bezier(0.16, 1, 0.3, 1);
}

.vertical-accordion details:first-child {
    border-bottom-left-radius: 1rem;
    border-top-left-radius: 1rem;
}

.vertical-accordion details:last-child {
    border-bottom-right-radius: 1rem;
    border-top-right-radius: 1rem;
}

.vertical-accordion details[open] {
    flex: 1 1 0;
}

.vertical-accordion summary {
    align-items: center;
    display: flex;
    flex: 0 0 5.5rem;
    height: 100%;
    justify-content: center;
    list-style: none;
    writing-mode: vertical-rl;
    transform: rotate(180deg);
}

.vertical-accordion summary::-webkit-details-marker {
    display: none;
}

.vertical-accordion details[open] summary {
    background-color: rgb(var(--brand-purple-rgb) / 10%);

    color: var(--brand-purple);
}

.vertical-accordion__content {
    display: none;
    min-width: 0;
    overflow: hidden;
    padding: 2rem;
}

.vertical-accordion details[open] .vertical-accordion__content {
    display: flex;
    width: 100%;
}

.vertical-accordion__copy {
    max-width: 34rem;
    min-width: min(24rem, 100%);
}

@media (max-width: 767px) {
    .vertical-accordion {
        flex-direction: column;
        height: auto;
    }

    .vertical-accordion details,
    .vertical-accordion details[open] {
        border-radius: 0;
        display: block;
        flex: none;
        height: auto;
    }

    .vertical-accordion details:first-child {
        border-radius: 1rem 1rem 0 0;
    }

    .vertical-accordion details:last-child {
        border-radius: 0 0 1rem 1rem;
    }

    .vertical-accordion details:only-child {
        border-radius: 1rem;
    }

    .vertical-accordion summary {
        height: auto;
        min-height: 5rem;
        transform: none;
        width: 100%;
        writing-mode: horizontal-tb;
    }

    .vertical-accordion details[open] summary {
        box-shadow: inset 0 4px 0 #5B2A62;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
    }
}