/* Viewing modes page */
:root {
    --font-sans: 'Geist', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'Geist Mono', ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
    --font-serif: 'Instrument Serif', ui-serif, Georgia, serif;
    --bg: #0b0d0c;
    --text: #e9ede9;
    --muted: #97a299;
    --faint: #69736c;
    --accent: #9be07a;
    --border: rgba(255, 255, 255, .08);
    --border-strong: rgba(255, 255, 255, .16);
    --ease: cubic-bezier(.2, .7, .2, 1);
    --gutter: clamp(16px, 4vw, 40px);
    --container: 1320px;
    color-scheme: dark;
}
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; }
body {
    background: var(--bg);
    color: var(--text);
    font: 15px/1.6 var(--font-sans);
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
    overflow-x: hidden;
}
body::before {
    content: '';
    position: fixed;
    inset: -20vh -20vw auto auto;
    width: 70vw;
    height: 70vh;
    background: radial-gradient(closest-side, rgba(123, 191, 106, .16), transparent);
    filter: blur(40px);
    pointer-events: none;
}
a { color: inherit; text-decoration: none; }
/* Same content area and header as the hub (index.html). */
.wrap { max-width: var(--container); margin: 0 auto; padding: 0 calc(var(--gutter) + env(safe-area-inset-left)) 0 calc(var(--gutter) + env(safe-area-inset-right)); position: relative; }
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: calc(22px + env(safe-area-inset-top)) 0 22px;
    font: 500 13px var(--font-mono);
    color: var(--muted);
}
header a:hover { color: var(--text); }
.head-nav { display: flex; align-items: center; gap: 18px; }
.intro { padding: clamp(48px, 11vh, 120px) 0 clamp(36px, 7vh, 72px); }
.eyebrow { font: 500 12px var(--font-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--accent); margin: 0 0 18px; }
h1 {
    font: 400 clamp(48px, 7vw, 108px)/.92 var(--font-serif);
    letter-spacing: -.025em;
    margin: 0 0 28px;
}
h1 em { color: var(--muted); }
.intro p { color: var(--muted); font-size: 17px; margin: 0; max-width: 760px; }
.grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: clamp(16px, 2.4vw, 28px);
    padding-bottom: 64px;
}
.card {
    position: relative;
    display: flex;
    flex-direction: column;
    border: 1px solid var(--border);
    border-radius: 20px;
    overflow: hidden;
    background: rgba(255, 255, 255, .025);
    transition: border-color .4s var(--ease), transform .6s var(--ease);
}
.card:hover { border-color: var(--border-strong); transform: translateY(-4px); }
.card figure { margin: 0; aspect-ratio: 16 / 9; overflow: hidden; position: relative; }
.card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transform: scale(1.04);
    transition: transform 1.2s var(--ease), filter .6s var(--ease);
    filter: saturate(.85) brightness(.85);
}
.card:hover img { transform: scale(1.1); filter: saturate(1) brightness(1); }
.card figure::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(11, 13, 12, .9), transparent 55%);
}
.num {
    position: absolute;
    left: 20px;
    bottom: 14px;
    z-index: 1;
    font: 400 64px/1 var(--font-serif);
    color: var(--text);
}
.body { padding: 20px 22px 24px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.body h2 { font: 400 32px/1.1 var(--font-serif); margin: 0; }
.body p { margin: 0; color: var(--muted); }
.tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: auto; padding-top: 8px; }
.tags span {
    font: 500 11px var(--font-mono);
    color: var(--faint);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 3px 10px;
}
.open {
    font: 500 12px var(--font-mono);
    color: var(--accent);
    position: absolute;
    top: 16px;
    right: 16px;
    z-index: 1;
    background: rgba(11, 13, 12, .6);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 6px 12px;
}
footer {
    border-top: 1px solid var(--border);
    padding: 24px 0 40px;
    color: var(--faint);
    font-size: 13px;
}
@media (max-width: 760px) {
    .grid { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
    .card, .card img { transition: none; }
}