/* yesang.org - Neubrutalism prediction playground */

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

:root {
    --black: #1a1a1a;
    --cream: #faf5e8;
    --warm-cream: #fff3e0;
    --orange: #ff6b35;
    --blue: #1a73e8;
    --green: #2ecc71;
    --violet: #9b59b6;
    --border-width: 3px;
    --shadow-offset: 6px;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--cream);
    color: var(--black);
    font-family: 'Work Sans', sans-serif;
    font-weight: 400;
    line-height: 1.6;
    overflow-x: hidden;
}

/* Sections */
.section {
    padding: 80px 24px;
    position: relative;
}

.section-inner {
    max-width: 1000px;
    margin: 0 auto;
}

.section-header {
    display: flex;
    align-items: baseline;
    gap: 16px;
    margin-bottom: 48px;
}

.section-number {
    font-family: 'Space Mono', monospace;
    font-size: 48px;
    font-weight: 700;
    color: var(--black);
    line-height: 1;
}

.section-heading {
    font-family: 'Syne', sans-serif;
    font-size: 36px;
    font-weight: 800;
    letter-spacing: -0.02em;
    text-transform: uppercase;
    color: var(--black);
}

/* Hero */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--warm-cream);
    border-bottom: var(--border-width) solid var(--black);
}

.hero-content {
    text-align: center;
    padding: 40px;
}

.hero-badge {
    display: inline-block;
    font-family: 'Syne', sans-serif;
    font-size: 32px;
    font-weight: 800;
    color: var(--black);
    background-color: var(--orange);
    padding: 8px 24px;
    border: var(--border-width) solid var(--black);
    box-shadow: var(--shadow-offset) var(--shadow-offset) 0 var(--black);
    margin-bottom: 32px;
    transform: rotate(-2deg);
    opacity: 0;
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.hero-badge.visible {
    opacity: 1;
}

.hero-title {
    font-family: 'Syne', sans-serif;
    font-size: clamp(60px, 14vw, 120px);
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--black);
    line-height: 0.95;
    margin-bottom: 16px;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease 0.2s, transform 0.8s ease 0.2s;
}

.hero-title.visible {
    opacity: 1;
    transform: translateY(0);
}

.hero-subtitle {
    font-family: 'Work Sans', sans-serif;
    font-size: 18px;
    font-weight: 400;
    color: var(--black);
    margin-bottom: 24px;
    opacity: 0;
    transition: opacity 0.8s ease 0.5s;
}

.hero-subtitle.visible {
    opacity: 0.7;
}

.hero-tagline {
    font-family: 'Space Mono', monospace;
    font-size: 14px;
    font-weight: 400;
    color: var(--blue);
    letter-spacing: 0.05em;
    opacity: 0;
    transition: opacity 0.8s ease 0.7s;
}

.hero-tagline.visible {
    opacity: 1;
}

/* Predictions Section */
.predictions-section {
    background-color: var(--cream);
    padding-top: 100px;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.prediction-card {
    background-color: var(--warm-cream);
    border: var(--border-width) solid var(--black);
    box-shadow: var(--shadow-offset) var(--shadow-offset) 0 var(--black);
    padding: 28px;
    position: relative;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    opacity: 0;
    transform: translateY(20px);
}

.prediction-card.revealed {
    opacity: 1;
    transform: translateY(0);
}

.prediction-card:hover {
    transform: translate(-3px, -3px);
    box-shadow: 9px 9px 0 var(--black);
}

.prediction-card[data-color="orange"] {
    border-left: 8px solid var(--orange);
}
.prediction-card[data-color="blue"] {
    border-left: 8px solid var(--blue);
}
.prediction-card[data-color="green"] {
    border-left: 8px solid var(--green);
}
.prediction-card[data-color="violet"] {
    border-left: 8px solid var(--violet);
}

/* Offset cards slightly for handmade feel */
.prediction-card:nth-child(2) { transform: translateY(20px) rotate(0.5deg); }
.prediction-card:nth-child(3) { transform: translateY(20px) rotate(-0.3deg); }
.prediction-card:nth-child(4) { transform: translateY(20px) rotate(0.4deg); }
.prediction-card.revealed:nth-child(2) { transform: translateY(0) rotate(0.5deg); }
.prediction-card.revealed:nth-child(3) { transform: translateY(0) rotate(-0.3deg); }
.prediction-card.revealed:nth-child(4) { transform: translateY(0) rotate(0.4deg); }
.prediction-card.revealed:nth-child(2):hover { transform: translate(-3px, -3px) rotate(0.5deg); }
.prediction-card.revealed:nth-child(3):hover { transform: translate(-3px, -3px) rotate(-0.3deg); }
.prediction-card.revealed:nth-child(4):hover { transform: translate(-3px, -3px) rotate(0.4deg); }

.card-icon {
    margin-bottom: 16px;
}

.card-title {
    font-family: 'Syne', sans-serif;
    font-size: 22px;
    font-weight: 700;
    color: var(--black);
    margin-bottom: 12px;
}

.card-expand-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, opacity 0.4s ease;
    opacity: 0;
}

.card-expand-content p {
    font-family: 'Work Sans', sans-serif;
    font-size: 15px;
    line-height: 1.7;
    color: var(--black);
    padding-top: 8px;
}

.prediction-card.expanded .card-expand-content {
    max-height: 200px;
    opacity: 1;
}

.card-toggle {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 32px;
    height: 32px;
    background: var(--black);
    color: var(--warm-cream);
    border: none;
    font-family: 'Space Mono', monospace;
    font-size: 20px;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s ease, transform 0.2s ease;
}

.prediction-card.expanded .card-toggle {
    transform: rotate(45deg);
    background: var(--orange);
}

/* Meaning Section */
.meaning-section {
    background-color: var(--blue);
    color: var(--warm-cream);
    border-top: var(--border-width) solid var(--black);
    border-bottom: var(--border-width) solid var(--black);
}

.meaning-section .section-number {
    color: var(--warm-cream);
}

.meaning-section .section-heading {
    color: var(--warm-cream);
}

.meaning-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
}

.meaning-block {
    background-color: var(--warm-cream);
    color: var(--black);
    border: var(--border-width) solid var(--black);
    box-shadow: var(--shadow-offset) var(--shadow-offset) 0 rgba(26, 26, 26, 0.4);
    padding: 32px;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.meaning-block.revealed {
    opacity: 1;
    transform: translateY(0);
}

.block-left {
    transform: translateY(20px) rotate(-1deg);
}
.block-right {
    transform: translateY(20px) rotate(0.8deg);
}
.block-left.revealed {
    transform: translateY(0) rotate(-1deg);
}
.block-right.revealed {
    transform: translateY(0) rotate(0.8deg);
}

.meaning-title {
    font-family: 'Syne', sans-serif;
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 12px;
}

.meaning-text {
    font-family: 'Work Sans', sans-serif;
    font-size: 16px;
    line-height: 1.7;
}

/* Manifesto Section */
.manifesto-section {
    background-color: var(--warm-cream);
    padding-bottom: 120px;
}

.manifesto-content {
    max-width: 700px;
}

.manifesto-quote {
    font-family: 'Syne', sans-serif;
    font-size: clamp(22px, 4vw, 32px);
    font-weight: 700;
    line-height: 1.5;
    color: var(--black);
    border-left: 6px solid var(--orange);
    padding-left: 28px;
    margin-bottom: 48px;
    opacity: 0;
    transform: translateX(-20px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.manifesto-quote.revealed {
    opacity: 1;
    transform: translateX(0);
}

.manifesto-counter {
    display: inline-block;
    background-color: var(--green);
    border: var(--border-width) solid var(--black);
    box-shadow: var(--shadow-offset) var(--shadow-offset) 0 var(--black);
    padding: 24px 36px;
    text-align: center;
    opacity: 0;
    transition: opacity 0.6s ease 0.3s;
}

.manifesto-counter.revealed {
    opacity: 1;
}

.counter-label {
    display: block;
    font-family: 'Space Mono', monospace;
    font-size: 10px;
    font-weight: 400;
    letter-spacing: 0.15em;
    color: var(--black);
    margin-bottom: 8px;
}

.counter-value {
    display: block;
    font-family: 'Syne', sans-serif;
    font-size: 48px;
    font-weight: 800;
    color: var(--black);
    line-height: 1;
}

/* Colophon */
.colophon {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 48px 24px;
    background-color: var(--black);
    color: var(--cream);
    border-top: var(--border-width) solid var(--black);
}

.colophon-domain {
    font-family: 'Syne', sans-serif;
    font-size: 14px;
    font-weight: 800;
    letter-spacing: 0.1em;
    color: var(--warm-cream);
}

.colophon-timestamp {
    font-family: 'Space Mono', monospace;
    font-size: 11px;
    color: var(--violet);
    letter-spacing: 0.05em;
}

.colophon-korean {
    font-family: 'Work Sans', sans-serif;
    font-size: 14px;
    color: var(--orange);
    opacity: 0.6;
}

/* Responsive */
@media (max-width: 768px) {
    .meaning-grid {
        grid-template-columns: 1fr;
    }
    .card-grid {
        grid-template-columns: 1fr;
    }
    .section {
        padding: 60px 16px;
    }
    .section-number {
        font-size: 36px;
    }
    .section-heading {
        font-size: 28px;
    }
}