/* ============================================================
   АКУЛИК.РФ — ТЕМА "SHARK TECH"
   Палитра: белый холст + чёрная тушь + гоночный оранжевый
   + редкий красный. Авто × IT × манга.
   ============================================================ */

:root {
    --paper: #FAFAFA;
    --paper-dim: #F0F0F0;
    --ink: #0A0A0A;
    --ink-soft: #2B2B2B;
    --steel: #8C8C8C;
    --line: #E0E0E0;
    --orange: #FF5A1F;
    --orange-dim: #FFE4D6;
    --red: #E8321A;

    --font-display: "Oswald", "Arial Narrow", sans-serif;
    --font-mono: "JetBrains Mono", "Consolas", monospace;

    --radius: 2px;
    --drawer-w: min(360px, 86vw);
    --ease: cubic-bezier(.16,.84,.32,1);
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: var(--font-mono);
    font-size: 16px;
    line-height: 1.6;
    overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }

img { max-width: 100%; display: block; }

::selection { background: var(--ink); color: var(--paper); }

:focus-visible {
    outline: 2px solid var(--orange);
    outline-offset: 3px;
}

/* ---------- Фоновые технические слои ---------- */

#bg-grid {
    position: fixed;
    inset: 0;
    z-index: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    opacity: .5;
}

.bg-scanline {
    position: fixed;
    left: 0; right: 0;
    height: 2px;
    top: 0;
    background: linear-gradient(90deg, transparent, var(--orange) 45%, var(--red) 55%, transparent);
    opacity: .55;
    z-index: 1;
    pointer-events: none;
    animation: scan-fall 9s linear infinite;
    mix-blend-mode: multiply;
}

@keyframes scan-fall {
    0%   { top: -2px; opacity: 0; }
    5%   { opacity: .55; }
    95%  { opacity: .55; }
    100% { top: 100%; opacity: 0; }
}

.bg-halftone {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    opacity: .05;
    background-image: radial-gradient(circle, var(--ink) 1px, transparent 1px);
    background-size: 6px 6px;
}

/* ---------- Layout ---------- */

.site-wrap {
    position: relative;
    z-index: 2;
    max-width: 1080px;
    margin: 0 auto;
    padding: 0 24px;
}

.site-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 28px 0;
    border-bottom: 2px solid var(--ink);
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
}

.brand-mark {
    display: inline-block;
    height: 30px;
    width: auto;
    object-fit: contain;
    transition: transform .25s var(--ease);
}

.brand:hover .brand-mark {
    transform: translateX(2px) rotate(-4deg);
}

.brand-text {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 22px;
    letter-spacing: .04em;
    text-transform: uppercase;
}

.brand-dot { color: var(--orange); }

/* ---------- Hero ---------- */

.hero {
    position: relative;
    padding: 64px 0 40px;
    overflow: hidden;
}

.hero-title {
    font-family: var(--font-display);
    font-weight: 700;
    text-transform: uppercase;
    font-size: clamp(42px, 8vw, 84px);
    line-height: .95;
    letter-spacing: .01em;
    margin: 0 0 12px;
}

.hero-sub {
    color: var(--ink-soft);
    max-width: 52ch;
    margin: 0;
    font-size: 15px;
}

.hero-stripe {
    position: absolute;
    right: -10%;
    top: 0;
    width: 60%;
    height: 100%;
    background: repeating-linear-gradient(
        115deg,
        var(--orange) 0 3px,
        transparent 3px 26px
    );
    opacity: .18;
    z-index: -1;
}

.hero-archive .hero-title { font-size: clamp(32px, 6vw, 56px); }

.error-hero { text-align: center; padding: 100px 0; }
body.error-template { max-width: 900px; margin: 0 auto; padding: 0 24px; }
.error-code {
    font-size: clamp(80px, 18vw, 160px);
    -webkit-text-stroke: 2px var(--ink);
    color: transparent;
}

.btn-primary {
    display: inline-block;
    margin-top: 20px;
    padding: 12px 22px;
    background: var(--ink);
    color: var(--paper);
    font-family: var(--font-display);
    text-transform: uppercase;
    letter-spacing: .06em;
    font-weight: 600;
    border-radius: var(--radius);
    transition: background .2s var(--ease), transform .2s var(--ease);
}
.btn-primary:hover { background: var(--orange); transform: translateY(-2px); }

/* ---------- Сетка постов ---------- */

.post-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 28px;
    padding: 20px 0 60px;
}

.post-card {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--paper);
    transition: border-color .25s var(--ease), transform .25s var(--ease), box-shadow .25s var(--ease);
    position: relative;
}

.post-card:hover {
    border-color: var(--ink);
    transform: translateY(-4px);
    box-shadow: 6px 6px 0 var(--orange);
}

.post-card-link { display: block; }

.post-card-media {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16/10;
    border-bottom: 1px solid var(--line);
}
.post-card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s var(--ease); }
.post-card:hover .post-card-media img { transform: scale(1.06); }

/* манга-эффект: диагональный удар-полоса при наведении */
.post-card-slash {
    position: absolute;
    inset: 0;
    background: linear-gradient(115deg, transparent 40%, rgba(255,255,255,.55) 50%, transparent 60%);
    transform: translateX(-120%);
    transition: transform .6s var(--ease);
}
.post-card:hover .post-card-slash { transform: translateX(120%); }

.post-card-body { padding: 18px 18px 20px; }

.post-card-tag {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .1em;
    color: var(--orange);
    border: 1px solid var(--orange);
    padding: 3px 7px;
    border-radius: var(--radius);
    margin-bottom: 10px;
}

.post-card-title {
    font-family: var(--font-display);
    text-transform: uppercase;
    font-size: 20px;
    font-weight: 600;
    margin: 0 0 8px;
    line-height: 1.15;
}

.post-card-excerpt {
    color: var(--steel);
    font-size: 13.5px;
    margin: 0 0 14px;
}

.post-card-meta {
    display: flex;
    justify-content: space-between;
    font-size: 11.5px;
    color: var(--steel);
    border-top: 1px dashed var(--line);
    padding-top: 10px;
}

/* ---------- Пост / страница ---------- */

.post-full { padding: 20px 0 80px; max-width: 720px; margin: 0 auto; }
.post-full-title {
    font-family: var(--font-display);
    text-transform: uppercase;
    font-size: clamp(30px, 5vw, 48px);
    line-height: 1.05;
    margin: 12px 0 10px;
}
.post-full-meta {
    display: flex; gap: 14px;
    font-size: 12.5px; color: var(--steel);
    border-bottom: 1px solid var(--line);
    padding-bottom: 18px;
}
.post-full-media { margin: 24px 0; border: 1px solid var(--line); }
.post-full-content { font-size: 16px; }
.post-full-content h2, .post-full-content h3 {
    font-family: var(--font-display);
    text-transform: uppercase;
}
.post-full-content a { color: var(--orange); border-bottom: 1px solid var(--orange); }
.post-full-content pre {
    background: var(--ink);
    color: #DFF7C4;
    padding: 16px;
    overflow-x: auto;
    border-radius: var(--radius);
}
.post-full-content code {
    font-family: var(--font-mono);
    background: var(--paper-dim);
    padding: 2px 5px;
    border-radius: var(--radius);
}
.post-full-content blockquote {
    border-left: 3px solid var(--red);
    margin: 0;
    padding-left: 16px;
    color: var(--ink-soft);
}

/* Широкие и полноэкранные карточки редактора Koenig */
.post-full-content .kg-width-wide {
    width: 1040px;
    max-width: 1040px;
    margin-left: calc(50% - 520px);
    position: relative;
}
.post-full-content .kg-width-full {
    width: 100vw;
    max-width: 100vw;
    margin-left: calc(50% - 50vw);
    position: relative;
}
@media (max-width: 1100px) {
    .post-full-content .kg-width-wide { width: 100%; max-width: 100%; margin-left: 0; }
}

/* ---------- Навигация между постами ---------- */
.post-nav {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    margin-top: 30px;
    font-family: var(--font-display);
    text-transform: uppercase;
    font-size: 13px;
}
.post-nav a {
    border: 1px solid var(--line);
    padding: 10px 14px;
    border-radius: var(--radius);
    transition: border-color .2s, color .2s;
    max-width: 48%;
}
.post-nav a:hover { border-color: var(--orange); color: var(--orange); }
.post-nav .next { text-align: right; margin-left: auto; }

/* ---------- Комментарии ---------- */
.post-comments { margin-top: 40px; }

.footer-line { height: 2px; background: var(--ink); margin: 30px 0 20px; }

.post-author { display: flex; align-items: center; gap: 10px; font-size: 13px; }
.post-author-avatar { width: 32px; height: 32px; border-radius: 50%; object-fit: cover; }

/* ---------- Футер сайта ---------- */

.site-footer { padding-bottom: 40px; }
.footer-text { color: var(--steel); font-size: 12px; text-align: center; }

/* ============================================================
   МЕНЮ-ЗАКЛАДКА (плавник справа по центру)
   ============================================================ */

.fin-tab {
    position: fixed;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    z-index: 40;
    background: var(--ink);
    color: var(--paper);
    border: none;
    border-radius: 6px 0 0 6px;
    padding: 16px 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    box-shadow: -3px 0 0 var(--orange);
    transition: padding .25s var(--ease), background .25s var(--ease), right .35s var(--ease);
}

.fin-tab:hover { padding-right: 16px; background: var(--orange); }

.fin-tab-bars {
    display: flex;
    flex-direction: column;
    gap: 4px;
    width: 18px;
}
.fin-tab-bars span {
    display: block;
    height: 2px;
    width: 100%;
    background: currentColor;
    transition: transform .25s var(--ease), width .25s var(--ease);
}
.fin-tab-bars span:nth-child(2) { width: 70%; align-self: flex-end; }
.fin-tab[aria-expanded="true"] .fin-tab-bars span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.fin-tab[aria-expanded="true"] .fin-tab-bars span:nth-child(2) { opacity: 0; width: 0; }
.fin-tab[aria-expanded="true"] .fin-tab-bars span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.fin-tab-label {
    writing-mode: vertical-rl;
    font-family: var(--font-display);
    font-size: 11px;
    letter-spacing: .18em;
    text-transform: uppercase;
}

.fin-tab[aria-expanded="true"] { right: var(--drawer-w); }

.side-menu {
    position: fixed;
    top: 0; right: 0;
    height: 100%;
    width: var(--drawer-w);
    background: var(--ink);
    color: var(--paper);
    z-index: 39;
    transform: translateX(100%);
    transition: transform .4s var(--ease);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.side-menu.is-open { transform: translateX(0); }

.side-menu-scan {
    position: absolute;
    left: 0; right: 0; height: 40%;
    background: linear-gradient(180deg, rgba(255,90,31,.12), transparent);
    top: -40%;
    animation: menu-scan 4s var(--ease) infinite;
    pointer-events: none;
}
@keyframes menu-scan {
    0% { top: -40%; }
    100% { top: 100%; }
}

.side-menu-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 24px 16px;
    border-bottom: 1px solid rgba(255,255,255,.15);
}

.side-menu-brand {
    display: flex;
    align-items: center;
    gap: 10px;
}
.side-menu-brand img { display: block; height: 22px; width: auto; }

.side-menu-eyebrow {
    font-size: 12px;
    letter-spacing: .12em;
    color: var(--orange);
}

.side-menu-close {
    background: none;
    border: 1px solid rgba(255,255,255,.3);
    color: var(--paper);
    width: 28px; height: 28px;
    border-radius: 50%;
    cursor: pointer;
    transition: border-color .2s, color .2s, transform .2s;
}
.side-menu-close:hover { border-color: var(--orange); color: var(--orange); transform: rotate(90deg); }

.side-menu-nav { padding: 12px 0; overflow-y: auto; flex: 1; }

.side-menu-list { list-style: none; margin: 0; padding: 0; }

.side-menu-item a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 24px;
    font-family: var(--font-display);
    text-transform: uppercase;
    font-size: 16px;
    letter-spacing: .03em;
    border-bottom: 1px solid rgba(255,255,255,.08);
    position: relative;
    transition: background .2s, padding-left .2s;
}

.side-menu-item a:hover,
.side-menu-item.is-current a {
    background: rgba(255,90,31,.12);
    padding-left: 30px;
}

.side-menu-item .idx {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--orange);
    min-width: 22px;
}

.side-menu-item.pinned a { color: var(--orange); }
.side-menu-item.pinned .idx { color: var(--red); }

.pinned-badge {
    margin-left: auto;
    font-family: var(--font-mono);
    font-size: 9px;
    letter-spacing: .08em;
    border: 1px solid var(--orange);
    padding: 2px 6px;
    border-radius: var(--radius);
}

.side-menu-foot {
    padding: 16px 24px 22px;
    border-top: 1px solid rgba(255,255,255,.15);
    font-family: var(--font-mono);
    font-size: 11.5px;
    color: var(--steel);
}

.side-menu-status { display: flex; align-items: center; gap: 8px; }
.dot {
    width: 7px; height: 7px; border-radius: 50%;
    background: #4CD964;
    display: inline-block;
    box-shadow: 0 0 6px #4CD964;
    animation: pulse 1.6s ease-in-out infinite;
}
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: .35; }
}

.overlay {
    position: fixed;
    inset: 0;
    background: rgba(10,10,10,.35);
    backdrop-filter: blur(1px);
    z-index: 38;
    opacity: 0;
    pointer-events: none;
    transition: opacity .3s var(--ease);
}
.overlay.is-visible { opacity: 1; pointer-events: auto; }

/* ---------- Respect reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
    .bg-scanline, .side-menu-scan, .dot, .post-card-media img, .post-card-slash { animation: none !important; transition: none !important; }
}

/* ---------- Responsive: планшет ---------- */
@media (max-width: 900px) {
    .site-wrap { padding: 0 18px; }
    .post-grid { grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 20px; }
}

/* ---------- Responsive: мобильные ---------- */
@media (max-width: 640px) {
    :root { --drawer-w: 100vw; }

    .site-header { padding: 18px 0; flex-wrap: wrap; gap: 10px; }
    .brand-text { font-size: 18px; }

    .hero { padding: 40px 0 26px; }
    .hero-title { font-size: clamp(34px, 12vw, 52px); }
    .hero-sub { font-size: 14px; }

    .post-grid { grid-template-columns: 1fr; gap: 18px; padding: 12px 0 40px; }
    .post-card:hover { transform: none; box-shadow: 4px 4px 0 var(--orange); }
    .post-card-title { font-size: 18px; }
    .post-card-meta { flex-wrap: wrap; gap: 6px; }

    .post-full-title { font-size: clamp(26px, 8vw, 36px); }
    .post-full-meta { flex-wrap: wrap; gap: 8px 14px; }
    .post-nav { flex-direction: column; }
    .post-nav a { max-width: 100%; }

    .fin-tab {
        top: auto;
        bottom: 20px;
        right: 16px;
        transform: none;
        border-radius: 50%;
        width: 52px;
        height: 52px;
        padding: 0;
        justify-content: center;
        box-shadow: 0 3px 0 var(--orange);
    }
    .fin-tab[aria-expanded="true"] { right: 16px; }
    .fin-tab-label { display: none; }

    .side-menu-head { padding: 18px 18px 14px; }
    .side-menu-item a { padding: 13px 18px; font-size: 15px; }
    .side-menu-foot { padding: 14px 18px 18px; }
}

/* ---------- Responsive: совсем маленькие экраны ---------- */
@media (max-width: 380px) {
    .site-wrap { padding: 0 14px; }
    .hero-title { font-size: 30px; }
    .post-card-body { padding: 14px; }
    .brand-text { font-size: 16px; }
    .brand-mark { height: 24px; }
}