/* mysterious.day - Swiss aesthetic, immersive-scroll, sunset-warm palette */

:root {
    --sunset-orange: #E8A050;
    --sunset-red: #D85838;
    --twilight-purple: #1A1028;
    --day-cream: #FAF5E0;
    --mystery-gray: #6A6A78;
    --star-white: #F0EDE0;
    --dusk-blue: #3A4868;
    --scroll-progress: 0;
    --gutter: 24px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Albert Sans', sans-serif;
    font-weight: 400;
    color: var(--day-cream);
    background-color: var(--twilight-purple);
    background-image: linear-gradient(
        180deg,
        var(--sunset-orange) 0%,
        var(--sunset-red) 15%,
        var(--twilight-purple) 40%,
        var(--dusk-blue) 100%
    );
    background-attachment: fixed;
    background-size: 100% 300vh;
    background-position: 0 calc(var(--scroll-progress) * -200vh);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.8;
}

/* Star-celestial dot field */
#star-field {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

.star-dot {
    position: absolute;
    width: 2px;
    height: 2px;
    background: var(--star-white);
    border-radius: 50%;
    opacity: 0;
    transition: opacity 0.6s ease;
}

.star-dot.visible {
    opacity: var(--star-opacity, 0.3);
}

.star-dot.bright {
    opacity: 1 !important;
}

/* Swiss grid visible rules */
#grid-rules {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: var(--gutter);
    padding: 0 var(--gutter);
}

#grid-rules::before,
#grid-rules::after {
    display: none;
}

.grid-rule {
    border-right: 1px solid var(--mystery-gray);
    opacity: 0.08;
    transition: opacity 0.3s ease;
    height: 100%;
}

.grid-rule:hover {
    opacity: 0.15;
}

/* Main content */
#main-content {
    position: relative;
    z-index: 2;
}

/* Observatory gate - hero */
#observatory-gate {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

#site-title {
    font-family: 'Albert Sans', sans-serif;
    font-weight: 700;
    font-size: clamp(28px, 5vw, 64px);
    letter-spacing: -0.01em;
    color: var(--day-cream);
    opacity: 0;
    animation: fadeInTitle 800ms ease forwards;
    text-align: center;
}

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

/* Mystery stream */
#mystery-stream {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--gutter);
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 0 var(--gutter);
}

/* Mystery entries */
.mystery-entry {
    grid-column: 3 / 11;
    padding: 80px 0;
    position: relative;
}

.mystery-meta {
    display: block;
    font-family: 'Albert Sans', sans-serif;
    font-weight: 300;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--mystery-gray);
    margin-bottom: 16px;
}

.mystery-headline {
    font-family: 'Albert Sans', sans-serif;
    font-weight: 700;
    font-size: clamp(24px, 3vw, 44px);
    letter-spacing: -0.01em;
    color: var(--day-cream);
    margin-bottom: 24px;
    transition: color 0.2s ease;
    cursor: default;
    line-height: 1.2;
}

.mystery-headline:hover {
    color: var(--sunset-orange);
}

.mystery-body {
    font-family: 'Albert Sans', sans-serif;
    font-weight: 400;
    font-size: clamp(15px, 1vw, 17px);
    line-height: 1.8;
    color: var(--star-white);
    max-width: 640px;
}

/* Duotone photo interludes */
.duotone-band {
    grid-column: 1 / -1;
    width: 100%;
    overflow: hidden;
    margin: 40px 0;
}

.duotone-image {
    width: 100%;
    height: 300px;
    background-size: cover;
    background-position: center;
    filter: grayscale(1) sepia(0.5) hue-rotate(-10deg) contrast(1.1);
    transform: scale(0.98);
    transition: transform 0.6s ease;
}

.duotone-image.in-view {
    transform: scale(1);
}

/* Shake animation for reality-glitch */
@keyframes shakeGlitch {
    0% { transform: translateX(0); }
    10% { transform: translateX(-2px); }
    20% { transform: translateX(2px); }
    30% { transform: translateX(-2px); }
    40% { transform: translateX(2px); }
    50% { transform: translateX(-2px); }
    60% { transform: translateX(2px); }
    70% { transform: translateX(0); }
    100% { transform: translateX(0); }
}

#main-content.shaking {
    animation: shakeGlitch 150ms ease-in-out;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .mystery-entry {
        grid-column: 1 / -1;
        padding: 48px 0;
    }

    #mystery-stream {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .duotone-band {
        grid-column: 1 / -1;
    }

    .duotone-image {
        height: 200px;
    }

    .grid-rule {
        display: none;
    }
}

@media (max-width: 480px) {
    #site-title {
        font-size: clamp(24px, 8vw, 40px);
    }

    .mystery-body {
        font-size: 15px;
    }
}