:root {
    --void: #0A0908;
    --bg: #0D0C0B;
    --surface: #161412;
    --text: #EDEBE6;
    --dim: rgba(237,235,230,0.62);
    --muted: rgba(237,235,230,0.2);
    --pink: #D4A5A5;
    --orange: #FF6B35;
    --blue: #4A90E2;
    --gold: #FDB927;
    --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
    --sans: Inter, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
    --pad: clamp(1.5rem, 4vw, 3rem);
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { 
    font-family: var(--sans); 
    background: var(--bg); 
    color: var(--text); 
    font-size: 15px; 
    line-height: 1.55; 
    overflow-x: hidden; 
}
::selection { background: var(--text); color: var(--bg); }

#grain { 
    position:fixed; inset:0; z-index:100; pointer-events:none; opacity:0.035; 
    background-image: 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=\".65\" numOctaves=\"3\" stitchTiles=\"stitch\"/%3E%3C/filter%3E%3Crect width=\"100%25\" height=\"100%25\" filter=\"url(%23n)\"/%3E%3C/svg%3E"); 
}
#canvas-container { 
    position:fixed; inset:0; z-index:0; pointer-events:none; 
}

.hud { 
    position:fixed; z-index:1305; font-family:var(--mono); font-size:9px; 
    letter-spacing:.1em; text-transform:uppercase; color:var(--dim); pointer-events:none; 
}
.hud-tl { top:var(--pad); left:var(--pad); }
.hud-tr { top:var(--pad); right:var(--pad); color: var(--pink); }

/* SCROLLYTELLING PANELS */
main#scroller {
    position: relative;
    z-index: 10;
    width: 100%;
    scroll-padding-top: 3.25rem;
}
.panel {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 0 var(--pad);
    width: 100%;
    /* Create a staggered read layout */
}
.panel[data-floor="-1"] { justify-content: center; } /* Hero */
.panel:nth-child(even) { justify-content: flex-start; }
.panel:nth-child(odd) { justify-content: flex-end; }

.content-block {
    max-width: 500px;
    background: rgba(10, 9, 8, 0.75);
    backdrop-filter: blur(10px);
    border: 1px solid var(--muted);
    padding: 3rem;
    opacity: 0; /* JS will handle this */
    transform: translateY(30px);
    pointer-events: auto;
}

h1, h2, h3 { 
    font-weight:400; letter-spacing:-.03em; line-height:1.1; 
    color: var(--gold); 
}
h1 { font-size:clamp(2.6rem,5vw,4.5rem); margin-bottom: 0.5rem; color: var(--text); }
h2 { font-size:clamp(1.8rem,3vw,2rem); border-bottom: 1px solid var(--muted); padding-bottom: 0.5rem; margin-bottom: 1rem;}
h3 { font-size:1rem; letter-spacing:0.05em; color: var(--dim); margin-bottom: 0.5rem; text-transform: uppercase; font-family: var(--mono); color: var(--pink);}

.body-text { font-size:1.05rem; line-height:1.7; color:var(--dim); margin-bottom: 1.2rem; }
.body-text strong { color:var(--text); font-weight:500; }
.hero-label { font-family: var(--mono); color: var(--pink); letter-spacing: .2em; font-size: 10px; text-transform: uppercase; margin-bottom: 2rem; display: block; }

/* MODALS */
.deep-dive-btn {
    font-family: var(--mono);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: .1em;
    background: transparent;
    color: var(--gold);
    border: 1px solid rgba(253,185,39,0.3);
    padding: 0.8rem 1.2rem;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 1rem;
}
.deep-dive-btn:hover {
    background: rgba(253,185,39,0.1);
    border-color: var(--gold);
    color: #fff;
}

.deep-dive-modal {
    position: fixed;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 90vw; max-width: 800px;
    max-height: 90vh;
    background: var(--bg);
    border: 1px solid var(--pink);
    color: var(--text);
    z-index: 2000;
    padding: 0;
}
.deep-dive-modal::backdrop {
    background: rgba(10, 9, 8, 0.85);
    backdrop-filter: blur(5px);
}
.modal-content {
    padding: 3rem;
    position: relative;
    height: 100%;
    display: flex;
    flex-direction: column;
}
.modal-scroll-area {
    overflow-y: auto;
    padding-right: 1rem;
    margin-top: 1rem;
}
.close-btn {
    position: absolute;
    top: 1rem; right: 1.5rem;
    background: none; border: none;
    color: var(--dim); font-size: 2rem;
    cursor: pointer; transition: color 0.3s;
}
.close-btn:hover { color: var(--text); }

/* TABLES */
.dt { width:100%; border-collapse:collapse; font-family:var(--mono); font-size:12px; margin-top: 1rem; }
.dt th,.dt td { text-align:left; padding:.85rem 1rem; border-bottom:1px solid var(--muted); vertical-align: top; color: var(--dim); }
.dt th { color:var(--pink); font-weight:400; font-size:9px; text-transform:uppercase; letter-spacing:.08em; }
.dt tbody tr:hover { background:rgba(255,255,255,.015); }

.arch-site-bar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1310;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding: calc(var(--pad) * 0.55) var(--pad) 0.4rem;
    pointer-events: none;
}

.arch-home-link-btn {
    pointer-events: auto;
    font-family: var(--mono);
    font-size: 10px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    background: transparent;
    color: var(--pink);
    border: 1px solid rgba(212, 165, 165, 0.32);
    padding: 0.55rem 0.95rem;
    cursor: pointer;
    transition: color 0.2s ease, border-color 0.2s ease;
}

.arch-home-link-btn:hover,
.arch-home-link-btn:focus-visible {
    color: var(--gold);
    border-color: rgba(253, 185, 39, 0.45);
    outline: none;
}

.arch-site-dialog {
    position: fixed;
    inset: 50% auto auto 50%;
    transform: translate(-50%, -50%);
    width: min(92vw, 26rem);
    margin: 0;
    padding: 0;
    border: 1px solid var(--muted);
    background: var(--surface);
    color: var(--dim);
    z-index: 2001;
}

.arch-site-dialog::backdrop {
    background: rgba(5, 4, 3, 0.82);
    backdrop-filter: blur(4px);
}

.arch-site-dialog__inner {
    position: relative;
    padding: 1.55rem 1.35rem 1.35rem;
}

.arch-site-dialog__title {
    font-family: var(--sans);
    font-size: clamp(1.05rem, 2.8vw, 1.35rem);
    font-weight: 500;
    color: var(--text);
    margin-bottom: 0.65rem;
    padding-right: 2rem;
}

.arch-site-dialog__body {
    font-size: 0.94rem;
    line-height: 1.55;
    margin-bottom: 0.5rem;
}

.arch-site-dialog__close {
    position: absolute;
    top: 0.45rem;
    right: 0.5rem;
    width: 2.35rem;
    height: 2.35rem;
    border: none;
    background: transparent;
    color: var(--dim);
    font-size: 1.5rem;
    line-height: 1;
    cursor: pointer;
}

.arch-site-dialog__close:hover,
.arch-site-dialog__close:focus-visible {
    color: var(--text);
    outline: none;
}

.arch-site-dialog__actions {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: 1rem;
}

@media (min-width: 520px) {
    .arch-site-dialog__actions {
        flex-direction: row;
        justify-content: flex-end;
    }
}

.arch-btn {
    font-family: var(--mono);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 0.65rem 1rem;
    cursor: pointer;
    transition: border-color 0.2s ease, color 0.2s ease;
}

.arch-btn--ghost {
    background: transparent;
    border: 1px solid var(--muted);
    color: var(--dim);
}

.arch-btn--accent {
    background: transparent;
    border: 1px solid rgba(253, 185, 39, 0.45);
    color: var(--gold);
}

.arch-btn--ghost:hover,
.arch-btn--ghost:focus-visible,
.arch-btn--accent:hover,
.arch-btn--accent:focus-visible {
    border-color: var(--gold);
    color: var(--text);
    outline: none;
}