/* scriptswirl.com — Grainy Nocturnal Dreamscape */

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

html {
    scroll-behavior: smooth;
}

body {
    background: #111827;
    color: #c4cde0;
    font-family: 'Cormorant Garamond', Georgia, serif;
    font-size: clamp(1.05rem, 1.2vw, 1.25rem);
    line-height: 1.75;
    overflow-x: hidden;
    position: relative;
}

/* Grain Overlay */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    z-index: 9999;
    pointer-events: none;
    background: url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg'><filter id='g'><feTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='4'/></filter><rect width='100%25' height='100%25' filter='url(%23g)'/></svg>");
    mix-blend-mode: overlay;
    opacity: 0.3;
}

.grain-svg {
    position: absolute;
    width: 0;
    height: 0;
    overflow: hidden;
}

/* Scroll Indicator */
.scroll-indicator {
    position: fixed;
    right: 1.5rem;
    top: 15vh;
    height: 70vh;
    width: 2px;
    background: #1a2340;
    z-index: 100;
}

.scroll-indicator-fill {
    width: 100%;
    height: 0%;
    background: #7c8db5;
    box-shadow: 0 0 6px rgba(124, 141, 181, 0.4);
    transition: height 0.1s linear;
}

/* Swirl Sections */
.swirl {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: #0a0f1e;
    position: relative;
    overflow: hidden;
}

.swirl-right {
    justify-content: flex-end;
    padding-right: 8vw;
}

.swirl-left {
    justify-content: flex-start;
    padding-left: 8vw;
}

.swirl-text {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: clamp(6rem, 15vw, 14rem);
    color: #f0f2f7;
    letter-spacing: -0.03em;
    transform: rotate(-2deg);
    opacity: 0;
    transition: opacity 0.9s cubic-bezier(0.22, 1, 0.36, 1), transform 0.9s cubic-bezier(0.22, 1, 0.36, 1);
}

.swirl-right .swirl-text {
    transform: rotate(-2deg) translateX(-30px);
}

.swirl-left .swirl-text {
    transform: rotate(2.5deg) translateX(30px);
}

.swirl.visible .swirl-text {
    opacity: 1;
}

.swirl-right.visible .swirl-text {
    transform: rotate(-2deg) translateX(0);
}

.swirl-left.visible .swirl-text {
    transform: rotate(2.5deg) translateX(0);
}

/* City Fragments */
.city-fragment {
    position: absolute;
    opacity: 0;
    mix-blend-mode: screen;
    transition: opacity 1.2s ease;
}

.visible .city-fragment {
    opacity: 0.25;
}

.swirl-right .city-fragment {
    left: 10vw;
    bottom: 15vh;
}

.swirl-left .city-fragment {
    right: 10vw;
    top: 15vh;
}

.card-section .city-fragment {
    position: relative;
    left: auto;
    right: auto;
    top: auto;
    bottom: auto;
    margin-top: 1.5rem;
}

/* Reading Sections */
.reading {
    max-width: 640px;
    margin: 0 auto;
    padding: 8rem 1.5rem;
    position: relative;
}

.reading p {
    margin-bottom: 1.5rem;
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reading.visible p {
    opacity: 1;
    transform: translateY(0);
}

.reading.visible p:nth-child(2) { transition-delay: 0.1s; }
.reading.visible p:nth-child(3) { transition-delay: 0.2s; }
.reading.visible p:nth-child(4) { transition-delay: 0.3s; }
.reading.visible p:nth-child(5) { transition-delay: 0.4s; }

.section-meta {
    display: block;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.8rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: #5a6b8a;
    margin-bottom: 2.5rem;
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reading.visible .section-meta {
    opacity: 1;
    transform: translateY(0);
}

/* Card Flip */
.card-section {
    justify-content: center;
    align-items: center;
    padding: 2rem;
}

.card-flip {
    perspective: 1000px;
    width: 340px;
    height: 420px;
    cursor: pointer;
    transform: scale(0.96);
    transition: transform 0.6s ease;
}

.visible .card-flip {
    transform: scale(1);
}

.card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
    transition: transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.card-flip:hover .card-inner,
.card-flip.flipped .card-inner {
    transform: rotateY(180deg);
}

.card-front,
.card-back {
    position: absolute;
    inset: 0;
    backface-visibility: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    border: 1px solid #2a3a5c;
}

.card-front {
    background: #0a0f1e;
}

.card-back {
    background: #111827;
    transform: rotateY(180deg);
}

.card-word {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: clamp(3rem, 10vw, 5rem);
    color: #f0f2f7;
    letter-spacing: -0.03em;
}

.card-back p {
    font-family: 'Cormorant Garamond', Georgia, serif;
    font-size: clamp(1rem, 1.1vw, 1.15rem);
    line-height: 1.75;
    color: #c4cde0;
}

/* Footer */
.site-footer {
    padding: 4rem 2rem;
    text-align: center;
    background: #0a0f1e;
}

.footer-meta {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.8rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: #5a6b8a;
}

/* Links / Hover */
a {
    color: #7c8db5;
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: #d4825a;
}