/* layer-2.wiki -- neon inflated 3D knowledge base */

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

:root{
    --pink:#FF2DAA;
    --green:#39FF14;
    --cyan:#00F5FF;
    --purple:#BF40FF;
    --yellow:#FFE600;
    --void:#08080C;
    --card-bg:#121218;
    --text:#D8D8E8;
    --dim:#6A6A7A;
}

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

body{
    background:var(--void);
    color:var(--text);
    font-family:'JetBrains Mono',monospace;
    font-weight:400;
    font-size:clamp(0.85rem,0.95vw,0.95rem);
    line-height:1.65;
    overflow-x:hidden;
}

.section{
    min-height:100vh;
    display:flex;
    flex-direction:column;
    align-items:center;
    justify-content:center;
    padding:clamp(2rem,4vw,4rem);
    position:relative;
}

/* Portal hero */
.portal{overflow:hidden}

.hero-neon{
    font-family:'Rubik',sans-serif;
    font-weight:900;
    font-size:clamp(2.5rem,6vw,6rem);
    color:#fff;
    text-shadow:0 0 20px rgba(0,245,255,0.4),0 0 40px rgba(0,245,255,0.2);
    text-align:center;
    position:relative;
    z-index:2;
}

.neon-pink{color:var(--pink);text-shadow:0 0 20px rgba(255,45,170,0.5)}

.hero-sub{
    font-family:'JetBrains Mono',monospace;
    font-size:clamp(0.8rem,1vw,0.95rem);
    color:var(--dim);
    letter-spacing:0.04em;
    margin-top:0.75rem;
    text-align:center;
    z-index:2;
    position:relative;
}

.neon-vine{
    position:absolute;
    bottom:0;
    z-index:1;
}

.vine-left{left:5%}
.vine-right{right:5%}

.vine-path{
    stroke-dasharray:500;
    stroke-dashoffset:500;
    animation:drawVine 3s ease-out forwards;
}

@keyframes drawVine{to{stroke-dashoffset:0}}

.section-heading{
    font-family:'JetBrains Mono',monospace;
    font-weight:700;
    font-size:clamp(1.3rem,2vw,2rem);
    color:var(--cyan);
    letter-spacing:0.04em;
    margin-bottom:2rem;
    text-align:center;
}

/* Card grid */
.card-grid{
    display:grid;
    grid-template-columns:repeat(8,1fr);
    gap:1rem;
    max-width:900px;
    width:100%;
}

.wiki-card{
    background:var(--card-bg);
    border:2px solid var(--pink);
    border-radius:12px;
    padding:clamp(1.2rem,2vw,1.8rem);
    position:relative;
    overflow:hidden;
    opacity:0;
    transform:translateY(20px);
    transition:opacity 0.5s ease,transform 0.5s ease;
    animation:borderCycle 6s linear infinite;
}

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

@keyframes borderCycle{
    0%{border-color:var(--pink)}
    25%{border-color:var(--green)}
    50%{border-color:var(--cyan)}
    75%{border-color:var(--purple)}
    100%{border-color:var(--pink)}
}

.card-lg{grid-column:span 5}
.card-md{grid-column:span 4}
.card-sm{grid-column:span 3}

.card-tag{
    font-size:0.65rem;
    letter-spacing:0.06em;
    color:var(--green);
    display:block;
    margin-bottom:0.5rem;
}

.card-title{
    font-family:'Rubik',sans-serif;
    font-weight:700;
    font-size:clamp(1.1rem,1.5vw,1.4rem);
    color:#fff;
    margin-bottom:0.5rem;
}

.card-text{
    color:var(--text);
    line-height:1.65;
    font-size:0.9rem;
}

/* Deep dive */
.dive-block{
    max-width:640px;
    width:100%;
    background:var(--card-bg);
    border-left:3px solid var(--cyan);
    padding:clamp(1.5rem,2.5vw,2rem);
    margin-bottom:1.5rem;
    opacity:0;
    transform:translateX(-20px);
    transition:opacity 0.6s ease,transform 0.6s ease;
}

.dive-block.revealed{opacity:1;transform:translateX(0)}

.dive-text{
    color:var(--text);
    line-height:1.7;
}

/* Root */
.root-content{
    text-align:center;
    max-width:500px;
    opacity:0;
    transform:translateY(20px);
    transition:opacity 0.8s ease,transform 0.8s ease;
}

.root-content.revealed{opacity:1;transform:translateY(0)}

.root-text{
    color:var(--text);
    line-height:1.75;
    margin-bottom:2rem;
}

.root-domain{
    font-family:'Rubik',sans-serif;
    font-weight:900;
    font-size:clamp(1.2rem,2vw,1.8rem);
    color:var(--yellow);
    text-shadow:0 0 12px rgba(255,230,0,0.3);
}

/* Responsive */
@media(max-width:768px){
    .card-grid{grid-template-columns:1fr}
    .card-lg,.card-md,.card-sm{grid-column:span 1}
    .neon-vine{display:none}
}

@media(prefers-reduced-motion:reduce){
    .vine-path{stroke-dashoffset:0;animation:none}
    .wiki-card{animation:none;border-color:var(--pink)}
    .wiki-card,.dive-block,.root-content{opacity:1;transform:none;transition:none}
}