/* yesang.org - Street-style meets classical */

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

:root {
    --void-black: #0A0A0A;
    --charcoal: #2E2E34;
    --warm-stone: #D4C8B8;
    --parchment: #E8E0D4;
    --cyan-neon: #00F0FF;
    --orange-neon: #FF8C42;
    --pink-neon: #FF2D6B;
    --acid-green: #CCFF00;
}

body {
    font-family: 'Inter', sans-serif;
    font-weight: 300;
    font-size: clamp(0.95rem, 1.5vw, 1.1rem);
    line-height: 1.75;
    color: var(--parchment);
    background: var(--void-black);
    overflow-x: hidden;
}

.svg-defs {
    position: absolute;
    width: 0;
    height: 0;
}

/* Scene 1: The Split */
.scene-split {
    position: relative;
    height: 100vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.split-dark {
    position: absolute;
    inset: 0;
    background: var(--void-black);
    clip-path: polygon(0 0, 100% 0, 0 100%);
    z-index: 1;
}

.split-marble {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 60% 50%, rgba(232,224,212,0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 40% 70%, rgba(212,200,184,0.1) 0%, transparent 40%),
        linear-gradient(135deg, #1a1a1e, #2E2E34);
    clip-path: polygon(100% 0, 100% 100%, 0 100%);
    z-index: 1;
}

.hero-title {
    position: relative;
    z-index: 10;
    font-family: 'Bebas Neue', sans-serif;
    font-size: clamp(3.5rem, 8vw + 1rem, 8rem);
    letter-spacing: 0.08em;
    color: var(--parchment);
    text-transform: uppercase;
    text-shadow: 0 0 40px rgba(0,240,255,0.15);
    opacity: 0;
    animation: heroIn 1s ease forwards 0.3s;
}

@keyframes heroIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.hero-sub {
    position: relative;
    z-index: 10;
    font-family: 'Inter', sans-serif;
    font-weight: 300;
    font-size: clamp(0.85rem, 1.4vw, 1.1rem);
    letter-spacing: 0.12em;
    color: var(--cyan-neon);
    opacity: 0;
    animation: heroIn 1s ease forwards 0.8s;
}

.diagonal-line {
    position: absolute;
    top: 0;
    left: 0;
    width: 141.4%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--cyan-neon), transparent);
    transform-origin: top left;
    transform: rotate(45deg);
    opacity: 0.15;
    z-index: 5;
}

/* Scene 2: Gallery */
.scene-gallery {
    padding: clamp(40px, 8vw, 80px) clamp(16px, 3vw, 40px);
}

.ticker {
    overflow: hidden;
    white-space: nowrap;
    margin-bottom: clamp(30px, 5vw, 60px);
    border-top: 1px solid rgba(0,240,255,0.1);
    border-bottom: 1px solid rgba(0,240,255,0.1);
    padding: 0.75rem 0;
}

.ticker-text {
    display: inline-block;
    font-family: 'Bebas Neue', sans-serif;
    font-size: clamp(1.4rem, 3vw, 2.4rem);
    letter-spacing: 0.06em;
    color: var(--charcoal);
    animation: tickerScroll 20s linear infinite;
}

@keyframes tickerScroll {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}

.portfolio-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr 1.4fr 0.6fr;
    gap: clamp(12px, 2vw, 20px);
    max-width: 1200px;
    margin: 0 auto;
}

.grid-item {
    position: relative;
    background: var(--charcoal);
    padding: clamp(24px, 3vw, 40px);
    border: 1px solid rgba(0,240,255,0.06);
    overflow: hidden;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 600ms ease, transform 600ms cubic-bezier(0.23,1,0.32,1);
}

.grid-item.visible {
    opacity: 1;
    transform: translateY(0);
}

.item-wide { grid-column: span 2; }
.item-tall { grid-row: span 2; }

.item-noise {
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.7' numOctaves='4'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
    opacity: 0.06;
    mix-blend-mode: overlay;
    pointer-events: none;
}

.stencil-label {
    display: inline-block;
    font-family: 'Inter', sans-serif;
    font-weight: 500;
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--orange-neon);
    border: 1px solid var(--orange-neon);
    padding: 2px 8px;
    margin-bottom: 1rem;
    opacity: 0.8;
}

.grid-item h2 {
    font-family: 'Bebas Neue', sans-serif;
    font-size: clamp(2rem, 4vw + 0.5rem, 3.5rem);
    letter-spacing: 0.04em;
    color: var(--parchment);
    margin-bottom: 0.75rem;
}

.grid-item p {
    color: var(--warm-stone);
    font-size: clamp(0.88rem, 1.3vw, 1rem);
}

/* Scene 3: The Wall */
.scene-wall {
    padding: clamp(60px, 10vw, 120px) clamp(20px, 5vw, 60px);
    display: flex;
    justify-content: center;
}

.wall-content {
    max-width: 700px;
    text-align: center;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 700ms ease, transform 700ms ease;
}

.wall-content.visible {
    opacity: 1;
    transform: translateY(0);
}

.wall-content h2 {
    font-family: 'Bebas Neue', sans-serif;
    font-size: clamp(2.5rem, 5vw, 4rem);
    letter-spacing: 0.08em;
    color: var(--parchment);
    margin-bottom: 1.5rem;
}

.accent-bar {
    width: 60px;
    height: 3px;
    background: var(--pink-neon);
    margin: 2rem auto;
    opacity: 0.7;
}

.wall-quote {
    font-family: 'Inter', sans-serif;
    font-weight: 300;
    font-style: italic;
    font-size: clamp(1.1rem, 2vw, 1.5rem);
    color: var(--cyan-neon);
    opacity: 0.7;
}

/* Scene 4: Collision */
.scene-collision {
    padding: clamp(40px, 8vw, 100px) clamp(20px, 5vw, 60px);
}

.collision-grid {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: clamp(20px, 4vw, 60px);
    max-width: 900px;
    margin: 0 auto;
}

.collision-item {
    flex: 1;
    text-align: center;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 600ms ease, transform 600ms ease;
}

.collision-item.visible {
    opacity: 1;
    transform: translateY(0);
}

.collision-item .stencil-label {
    font-size: 0.8rem;
    margin-bottom: 1rem;
}

.collision-item p {
    color: var(--warm-stone);
}

.collision-divider {
    width: 2px;
    height: 120px;
    background: linear-gradient(180deg, transparent, var(--pink-neon), transparent);
    opacity: 0.4;
    flex-shrink: 0;
}

/* Scene 5: Exit */
.scene-exit {
    padding: clamp(80px, 15vw, 200px) 20px;
    text-align: center;
}

.exit-content {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 600ms ease, transform 600ms ease;
}

.exit-content.visible {
    opacity: 1;
    transform: translateY(0);
}

.exit-mark {
    font-family: 'Bebas Neue', sans-serif;
    font-size: clamp(2rem, 5vw, 4rem);
    letter-spacing: 0.08em;
    color: var(--parchment);
}

.exit-sub {
    font-family: 'Inter', sans-serif;
    font-weight: 300;
    font-size: 0.9rem;
    letter-spacing: 0.1em;
    color: var(--cyan-neon);
    opacity: 0.5;
    margin-top: 0.5rem;
}

/* Responsive */
@media (max-width: 768px) {
    .portfolio-grid {
        grid-template-columns: 1fr 1fr;
    }
    .item-wide { grid-column: span 2; }
    .collision-grid { flex-direction: column; }
    .collision-divider { width: 60px; height: 2px; }
}

@media (max-width: 480px) {
    .portfolio-grid { grid-template-columns: 1fr; }
    .item-wide, .item-tall { grid-column: span 1; grid-row: span 1; }
}