/* ==========================================================================
   SOBO CULTURE - e-magazine archive, issue page and reader.
   Builds on the .so-* tokens from sobo.css (and their html.dark values).
   ========================================================================== */

/* Covers: portrait like a printed magazine */
.so-mag-cover {
    display: block;
    aspect-ratio: 3 / 4;
    background: var(--so-hair);
    overflow: hidden;
    box-shadow: 0 1px 2px rgba(0,0,0,.08), 0 14px 34px -14px rgba(0,0,0,.35);
}
.so-mag-cover img { width: 100%; height: 100%; object-fit: cover; }
html.dark .so-mag-cover { background: #1E1C1A; }

.so-mag-coverstory {
    margin-top: 12px;
    font-family: var(--so-serif);
    font-style: italic;
    font-size: clamp(1.05rem, 1.4vw, 1.3rem);
    color: var(--so-muted);
}
.so-mag-facts {
    margin-top: 20px;
    display: flex;
    flex-wrap: wrap;
    gap: .4em 1.4em;
    font-family: var(--so-sans);
    font-size: .6875rem;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--so-muted);
}
.so-mag-facts span + span::before {
    content: "";
    display: inline-block;
    width: 1px; height: 10px;
    background: var(--so-hair);
    margin-right: 1.4em;
    vertical-align: -1px;
}

.so-mag-actions { margin-top: 26px; display: flex; flex-wrap: wrap; gap: 12px; }
.so-mag-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 26px;
    background: var(--so-ink);
    color: var(--so-canvas);
    font-family: var(--so-sans);
    font-size: .75rem;
    font-weight: 600;
    letter-spacing: .16em;
    text-transform: uppercase;
    border: 1px solid var(--so-ink);
    transition: background .2s var(--so-ease), color .2s var(--so-ease), border-color .2s var(--so-ease);
}
.so-mag-btn:hover { background: var(--so-accent); border-color: var(--so-accent); color: #fff; }
.so-mag-btn--ghost { background: transparent; color: var(--so-ink); }
.so-mag-btn--big { padding: 18px 32px; font-size: .8rem; }

/* ---------- Archive ---------- */
.so-mag-lead { padding-block: clamp(34px, 4.4vw, 64px); border-bottom: 1px solid var(--so-hair); }
.so-mag-lead-grid {
    display: grid;
    grid-template-columns: minmax(0, 380px) minmax(0, 1fr);
    gap: clamp(28px, 5vw, 80px);
    align-items: center;
}
.so-mag-lead-title {
    margin-top: 14px;
    font-family: var(--so-serif);
    font-weight: 400;
    font-size: clamp(2rem, 4vw, 3.4rem);
    line-height: 1.04;
    letter-spacing: -.02em;
    color: var(--so-ink);
}
.so-mag-lead-title a:hover { color: var(--so-accent); }
.so-mag-lead-desc {
    margin-top: 18px;
    max-width: 58ch;
    font-family: var(--so-serif);
    font-size: 1.05rem;
    line-height: 1.65;
    color: var(--so-muted);
}

.so-mag-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 48px var(--so-gap);
}
.so-mag-card a { display: block; }
.so-mag-card .so-mag-cover { transition: transform .35s var(--so-ease), box-shadow .35s var(--so-ease); }
.so-mag-card a:hover .so-mag-cover { transform: translateY(-6px); box-shadow: 0 2px 4px rgba(0,0,0,.08), 0 26px 44px -18px rgba(0,0,0,.45); }
.so-mag-card .so-kicker { margin-top: 18px; }
.so-mag-card-title {
    margin-top: 9px;
    font-family: var(--so-serif);
    font-weight: 400;
    font-size: 1.2rem;
    line-height: 1.25;
    color: var(--so-ink);
}
.so-mag-card a:hover .so-mag-card-title { color: var(--so-accent); }
.so-mag-card-story { margin-top: 6px; font-family: var(--so-serif); font-style: italic; font-size: .95rem; color: var(--so-muted); }

/* ---------- Issue page ---------- */
.so-mag-head { padding-bottom: clamp(36px, 4.6vw, 64px); }
.so-mag-hero {
    display: grid;
    grid-template-columns: minmax(0, 340px) minmax(0, 1fr);
    gap: clamp(28px, 5vw, 76px);
    align-items: center;
}
.so-mag-title {
    margin-top: 14px;
    font-family: var(--so-serif);
    font-weight: 400;
    font-size: clamp(2.1rem, 4.6vw, 3.9rem);
    line-height: 1.02;
    letter-spacing: -.024em;
    color: var(--so-ink);
}
.so-mag-desc {
    margin-top: 20px;
    max-width: 62ch;
    font-family: var(--so-serif);
    font-size: 1.06rem;
    line-height: 1.7;
    color: var(--so-ink);
}
.so-mag-desc p + p { margin-top: .9em; }
.so-mag-desc a { color: var(--so-accent); text-decoration: underline; text-underline-offset: 3px; }

/* ---------- Reader ---------- */
.so-reader {
    --reader-bg: #161412;
    background: var(--reader-bg);
    color: #EDEAE4;
    scroll-margin-top: 70px;
}
.so-reader:fullscreen { display: flex; flex-direction: column; }
.so-reader:fullscreen .so-reader-stage { flex: 1; }

.so-reader-bar { border-bottom: 1px solid rgba(255,255,255,.08); }
.so-reader-bar-inner {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 12px;
    min-height: 58px;
}
.so-reader-name {
    font-family: var(--so-sans);
    font-size: .6875rem;
    letter-spacing: .16em;
    text-transform: uppercase;
    color: rgba(237,234,228,.6);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.so-reader-count {
    min-width: 92px;
    text-align: center;
    font-family: var(--so-sans);
    font-size: .8rem;
    letter-spacing: .08em;
    font-variant-numeric: tabular-nums;
}
.so-reader-tools { display: flex; justify-content: flex-end; gap: 6px; }
.so-reader-btn {
    width: 40px; height: 40px;
    display: inline-flex; align-items: center; justify-content: center;
    border: 1px solid rgba(255,255,255,.16);
    border-radius: 50%;
    background: transparent;
    color: inherit;
    cursor: pointer;
    transition: background .2s, border-color .2s, opacity .2s;
}
.so-reader-btn:hover:not(:disabled) { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.4); }
.so-reader-btn[aria-pressed="true"] { background: var(--so-accent, #9d7338); border-color: transparent; color: #fff; }

/* Stage: a centred row of [prev] [magazine] [next], so the buttons stay
   beside the magazine whatever its width. */
.so-reader-stage {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 22px;
    min-height: min(80vh, 760px);
    padding: 22px 12px;
    outline: none;
    overflow: hidden;
}
.so-reader-side {
    flex: none;
    width: 52px; height: 52px;
    display: inline-flex; align-items: center; justify-content: center;
    border: 1px solid rgba(255,255,255,.22);
    border-radius: 50%;
    background: rgba(255,255,255,.04);
    color: #EDEAE4;
    cursor: pointer;
    transform: translateX(var(--pull, 0px));
    transition: background .2s, border-color .2s, opacity .25s, transform .72s cubic-bezier(.45, .05, .25, 1);
}
.so-reader-side:hover:not(:disabled) { background: var(--so-accent, #9d7338); border-color: transparent; color: #fff; }
.so-reader-side:disabled { opacity: .18; cursor: default; }

.so-reader-book {
    position: relative;
    display: flex;
    flex: none;
    perspective: 2400px;
    cursor: pointer;
}
.so-reader-slot { position: relative; flex: none; }
.so-reader-slot:not(.is-empty) { background: #fff; box-shadow: 0 24px 46px -18px rgba(0,0,0,.75); }
.so-reader-page { display: block; width: 100%; height: 100%; }

/* Spine shading, carried by each page on its inner edge */
.so-reader-slot.has-spine::before,
.so-reader-face.has-spine::before {
    content: "";
    position: absolute;
    top: 0; bottom: 0;
    width: 30px;
    pointer-events: none;
    z-index: 2;
}
.so-reader-slot.is-left.has-spine::before,
.so-reader-face.is-left.has-spine::before {
    right: 0;
    background: linear-gradient(90deg, rgba(0,0,0,0) 0%, rgba(0,0,0,.12) 60%, rgba(0,0,0,.3) 100%);
}
.so-reader-slot.is-right.has-spine::before,
.so-reader-face.is-right.has-spine::before {
    left: 0;
    background: linear-gradient(270deg, rgba(0,0,0,0) 0%, rgba(0,0,0,.12) 60%, rgba(0,0,0,.3) 100%);
}

/* The book slides to keep a lone cover centred; buttons follow (--pull). */
.so-reader-book { transition: transform .72s cubic-bezier(.45, .05, .25, 1); }
.so-reader-book.no-slide { transition: none; }

/* The turning leaf */
.so-reader-leaf {
    position: absolute;
    top: 0;
    z-index: 5;
    transform-style: preserve-3d;
    pointer-events: none;
}
.so-reader-leaf.is-next { transform-origin: left center; }
.so-reader-leaf.is-prev { transform-origin: right center; }
.so-reader-leaf.is-single { transform-origin: left center; }
.so-reader-leaf.is-turning {
    transition: transform .72s cubic-bezier(.45, .05, .25, 1), opacity .72s ease;
}
.so-reader-face {
    position: absolute;
    inset: 0;
    background: #fff;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    overflow: hidden;
    box-shadow: 0 18px 40px -16px rgba(0,0,0,.7);
}
.so-reader-face--back { transform: rotateY(180deg); }
/* Light and shade sweeping across the paper as it turns */
.so-reader-face::after {
    content: "";
    position: absolute;
    inset: 0;
    opacity: 0;
    pointer-events: none;
}
.so-reader-leaf.is-next .so-reader-face--front::after { background: linear-gradient(90deg, rgba(0,0,0,.28), rgba(0,0,0,0) 45%, rgba(255,255,255,.18)); }
.so-reader-leaf.is-next .so-reader-face--back::after  { background: linear-gradient(270deg, rgba(0,0,0,.28), rgba(0,0,0,0) 45%); }
.so-reader-leaf.is-prev .so-reader-face--front::after { background: linear-gradient(270deg, rgba(0,0,0,.28), rgba(0,0,0,0) 45%, rgba(255,255,255,.18)); }
.so-reader-leaf.is-prev .so-reader-face--back::after  { background: linear-gradient(90deg, rgba(0,0,0,.28), rgba(0,0,0,0) 45%); }
.so-reader-leaf.is-single .so-reader-face::after { background: linear-gradient(90deg, rgba(0,0,0,.3), rgba(0,0,0,0) 60%); }
.so-reader-leaf.is-turning .so-reader-face::after { animation: so-leaf-shade .72s ease-in-out; }
@keyframes so-leaf-shade { 0% { opacity: 0; } 50% { opacity: 1; } 100% { opacity: .2; } }

.so-reader-loading {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    font-family: var(--so-sans);
    font-size: .8rem;
    letter-spacing: .06em;
    color: rgba(237,234,228,.75);
    text-align: center;
    padding: 24px;
    background: var(--reader-bg);
    z-index: 8;
}
.so-reader-loading[hidden] { display: none; }
.so-reader-loading a { color: #fff; text-decoration: underline; }
.so-reader-loading.is-error .so-reader-spinner { display: none; }
.so-reader-spinner {
    width: 34px; height: 34px;
    border: 2px solid rgba(255,255,255,.18);
    border-top-color: var(--so-accent, #9d7338);
    border-radius: 50%;
    animation: so-spin .9s linear infinite;
}
@keyframes so-spin { to { transform: rotate(360deg); } }

.so-reader-scrub { padding-block: 6px 22px; }
.so-reader-scrub input { width: 100%; accent-color: var(--so-accent, #9d7338); }
.so-reader-noscript { padding-block: 20px; }
.so-reader-noscript a { color: #fff; text-decoration: underline; }

@media (prefers-reduced-motion: reduce) {
    .so-reader-leaf.is-turning { transition: none; }
}

/* ---------- Download (bottom of the issue) ---------- */
.so-mag-download { padding-block: clamp(44px, 6vw, 88px); border-bottom: 1px solid var(--so-hair); }
.so-mag-download-inner {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    gap: clamp(24px, 4vw, 64px);
    align-items: center;
    padding: clamp(28px, 4vw, 56px);
    background: var(--so-accent-tint);
    border: 1px solid var(--so-hair);
}
.so-mag-download h2 {
    margin-top: 12px;
    font-family: var(--so-serif);
    font-weight: 400;
    font-size: clamp(1.7rem, 3vw, 2.6rem);
    line-height: 1.08;
    color: var(--so-ink);
}
.so-mag-download-copy p { margin-top: 14px; font-family: var(--so-serif); font-size: 1.05rem; line-height: 1.6; color: var(--so-muted); }
.so-mag-download-cta { display: flex; flex-direction: column; align-items: flex-start; gap: 16px; }
.so-mag-link {
    font-family: var(--so-sans);
    font-size: .75rem;
    font-weight: 600;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--so-ink);
    border-bottom: 1px solid var(--so-hair);
    padding-bottom: .4em;
}
.so-mag-link:hover { color: var(--so-accent); border-color: var(--so-accent); }
.so-mag-print { font-family: var(--so-serif); font-style: italic; font-size: .98rem; line-height: 1.55; color: var(--so-muted); }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
    .so-mag-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 760px) {
    .so-mag-lead-grid, .so-mag-hero, .so-mag-download-inner { grid-template-columns: 1fr; }
    .so-mag-lead-cover, .so-mag-hero-cover { max-width: 260px; }
    .so-mag-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 36px 18px; }
    .so-reader-bar-inner { grid-template-columns: 1fr auto; }
    .so-reader-name { display: none; }
    .so-reader-count { text-align: left; }
    .so-reader-spreadbtn { display: none; }
    .so-reader-stage { min-height: 60vh; padding: 14px 8px; gap: 0; }
    /* No room beside a phone-width page: the buttons float over its edges. */
    .so-reader-side {
        position: absolute;
        top: 50%;
        z-index: 6;
        width: 40px; height: 40px;
        margin-top: -20px;
        background: rgba(22,20,18,.55);
        border-color: rgba(255,255,255,.3);
        backdrop-filter: blur(4px);
    }
    .so-reader-side { transform: none; }
    .so-reader-side--prev { left: 12px; }
    .so-reader-side--next { right: 12px; }
    .so-reader-side:disabled { opacity: 0; pointer-events: none; }
    .so-mag-btn--big { width: 100%; justify-content: center; }
}