/* Template 1 — "field guide": dark left sidebar, dark illustrated hero, light content.
   Colours come from per-site variables (--bg, --bg2, --accent, --accent2, --pop). */
*{box-sizing:border-box;margin:0;padding:0}
:root{
  --ink:#16202e; --ink2:#46546a; --muted:#6b7890;
  --page:color-mix(in srgb,var(--accent) 9%,#f2f5f8);
  --card:#fff; --line:color-mix(in srgb,var(--accent) 14%,#dfe5ec);
  --dark:color-mix(in srgb,var(--bg2) 78%,#1b2433);
  --dark2:color-mix(in srgb,var(--bg) 80%,#121926);
  --hl:var(--pop); --on-hl:#131620;
  --t1a:color-mix(in srgb,var(--accent) 18%,#fff);
  --t1b:color-mix(in srgb,var(--pop) 22%,#fff);
  --t1c:color-mix(in srgb,var(--accent2) 22%,#fff);
  --t1d:color-mix(in srgb,var(--accent) 10%,color-mix(in srgb,var(--pop) 12%,#fff));
}
html{scroll-behavior:smooth}
body.t1{font-family:Inter,system-ui,sans-serif;color:var(--ink);background:var(--page);font-size:15px;line-height:1.6}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.i{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex:none}
.muted{color:var(--muted)}.small{font-size:13px}
.preview-bar{background:var(--hl);color:var(--on-hl);text-align:center;font-size:13px;padding:8px 16px}
.preview-bar a{text-decoration:underline;margin-left:6px}

/* brand */
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:21px;letter-spacing:-.4px;color:#fff;line-height:1.1}
.logo-mark{width:34px;height:34px;flex:none}

/* shell */
.t1-shell{display:grid;grid-template-columns:260px minmax(0,1fr);min-height:100vh;background:linear-gradient(90deg,var(--dark) 260px,transparent 260px)}
.t1-side{position:sticky;top:0;height:100vh;overflow-y:auto;background:var(--dark);color:#d9e0ea;padding:30px 20px 24px;display:flex;flex-direction:column;gap:6px}
.side-slogan{font-size:13px;color:#a9b4c4;margin:10px 0 22px;line-height:1.45}
.side-nav{display:grid;gap:4px}
.side-nav a{display:flex;align-items:center;gap:12px;padding:10px 14px;border-radius:10px;font-size:14px;font-weight:500;color:#c9d2de;transition:.15s}
.side-nav a:hover{background:rgba(255,255,255,.06);color:#fff}
.side-nav a.on{background:rgba(255,255,255,.1);color:#fff;box-shadow:inset 3px 0 0 var(--hl)}
.side-nav a.on .i{color:var(--hl)}
.side-search{display:flex;align-items:center;gap:8px;margin:20px 0 22px;padding:0 12px;height:40px;border-radius:10px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.08);color:#93a0b4;border-top:1px solid rgba(255,255,255,.08)}
.side-search input{flex:1;min-width:0;background:none;border:0;outline:0;color:#fff;font:inherit;font-size:13px}
.side-search:focus-within{border-color:var(--hl)}
.side-card{margin-top:auto;padding:18px;border-radius:16px;background:var(--dark2);border:1px solid rgba(255,255,255,.07)}
.side-art{width:58px;height:58px;margin:0 0 12px;padding:10px;border-radius:16px;background:rgba(255,255,255,.06)}
.side-art .logo-mark{width:100%;height:100%;animation:floatY 5s ease-in-out infinite}
.side-card strong{display:block;font-size:19px;line-height:1.2;color:#fff;letter-spacing:-.3px}
.side-card p{font-size:12.5px;color:#a9b4c4;margin:8px 0 14px}
.t1-mobilebar{display:none}
.scrim{display:none}

/* buttons */
.btn-main{display:inline-flex;align-items:center;gap:8px;height:46px;padding:0 22px;border-radius:10px;border:0;cursor:pointer;background:var(--hl);color:var(--on-hl);font:700 14px Inter,sans-serif;box-shadow:0 10px 24px color-mix(in srgb,var(--hl) 35%,transparent);transition:.15s}
.btn-main:hover{transform:translateY(-1px);filter:brightness(1.05)}
.btn-main.sm{height:38px;padding:0 16px;font-size:13px}
.btn-main .i{width:16px;height:16px}
.btn-play{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:600;font-size:14px}
.btn-play .play{width:38px;height:38px;border-radius:50%;border:2px solid rgba(255,255,255,.75);display:grid;place-items:center;font-size:11px;padding-left:2px}
.btn-play:hover .play{background:#fff;color:var(--dark)}

/* hero */
.t1-hero{position:relative;min-height:400px;background:var(--dark2);color:#fff;overflow:hidden;display:flex;align-items:center}
.hero-art{position:absolute;inset:0}
.hero-bg{position:absolute;inset:0 0 0 30%;background-size:cover;background-position:center;opacity:.55;mask-image:linear-gradient(90deg,transparent,#000 45%);-webkit-mask-image:linear-gradient(90deg,transparent,#000 45%)}
.hero-sun{position:absolute;right:13%;top:22%;width:240px;height:240px;border-radius:50%;background:radial-gradient(circle at 40% 35%,color-mix(in srgb,var(--hl) 80%,#fff),var(--hl) 60%);box-shadow:0 0 80px color-mix(in srgb,var(--hl) 50%,transparent);opacity:.92}
.hero-mtn{position:absolute;right:0;bottom:0;width:62%;height:78%}
.hero-corner{position:absolute;right:42px;top:28px;text-align:right;font:600 10px/1.6 'JetBrains Mono',monospace;letter-spacing:2px;color:#e3e9f2;max-width:200px}
.hero-corner i{display:inline-block;width:4px;height:4px;border-radius:50%;background:#fff;opacity:.7;margin:0 3px 10px 0}
.hero-corner span{display:block}
.hero-corner b{display:block;width:34px;height:3px;background:var(--hl);margin:10px 0 0 auto}
.hero-copy{position:relative;z-index:2;padding:56px 48px;max-width:640px}
.crumb{font:600 11px 'JetBrains Mono',monospace;letter-spacing:1.6px;color:#c0cad8;margin-bottom:18px}
.crumb span{opacity:.5;margin:0 6px}
.t1-hero h1{font-size:clamp(40px,6vw,70px);font-weight:800;line-height:.98;letter-spacing:-2px}
.t1-hero h1 em{font-style:normal;color:var(--hl)}
.t1-hero .lead{font-size:17px;color:#d6dde8;margin:22px 0 28px;max-width:520px}
.hero-cta{display:flex;align-items:center;gap:22px;flex-wrap:wrap}

/* content wrapper */
.t1-wrap{padding:26px 28px 40px;display:grid;gap:22px}
.card{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:28px;box-shadow:0 12px 30px rgba(20,32,52,.05)}
h2{letter-spacing:-.5px}

.chapter{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.4fr);gap:36px;align-items:center;padding:26px 28px;background:color-mix(in srgb,var(--accent) 6%,#fff);border-radius:20px;border:1px solid var(--line)}
.chapter-head{border-right:2px solid var(--line);padding-right:30px}
.kicker{display:block;font:700 12px 'JetBrains Mono',monospace;letter-spacing:2px;text-transform:uppercase;color:color-mix(in srgb,var(--hl) 75%,#000);margin-bottom:6px}
.chapter h2{font-size:clamp(28px,3.4vw,40px);font-weight:800;line-height:1.05}
.chapter p{color:var(--ink2);font-size:15.5px}

.anatomy{display:grid;grid-template-columns:minmax(0,.75fr) minmax(0,2fr);gap:28px;align-items:center}
.anatomy-intro h2{font-size:24px;font-weight:800;line-height:1.15;margin-bottom:12px}
.anatomy-intro p{color:var(--ink2);font-size:14px}
.anatomy-parts{display:grid;grid-template-columns:1fr auto 1fr auto 1fr auto 1fr;align-items:stretch;gap:8px}
.part{padding:16px 14px;border-radius:14px;display:flex;flex-direction:column;gap:4px;min-height:150px}
.part .i{width:24px;height:24px;margin-bottom:6px;color:var(--ink)}
.part strong{font-size:17px}
.part span{font-size:12.5px;color:var(--ink2);line-height:1.4}
.part small{font-size:11px;color:var(--muted);line-height:1.4;margin-top:auto}
.part.p1{background:var(--t1a)}.part.p2{background:var(--t1b)}.part.p2 .i{color:color-mix(in srgb,var(--hl) 70%,#000)}.part.p3{background:var(--t1c)}.part.p4{background:var(--t1d)}
.plus{align-self:center;font-size:22px;color:var(--muted)}
.formula{grid-column:1/-1;position:relative;text-align:center;margin-top:16px;border-top:2px solid color-mix(in srgb,var(--hl) 55%,transparent);border-radius:14px 14px 0 0}
.formula span{position:relative;top:-14px;display:inline-block;padding:5px 18px;border-radius:999px;background:color-mix(in srgb,var(--hl) 40%,#fff);font-size:12.5px;font-weight:700}

/* row sections: intro on the left, content on the right */
.row-sec{display:grid;grid-template-columns:minmax(200px,.75fr) minmax(0,2.25fr);gap:26px;align-items:start;padding:24px 4px;border-top:1px solid var(--line)}
.sec-intro{display:flex;gap:14px}
.sec-ico{flex:none;color:color-mix(in srgb,var(--hl) 80%,#000)}
.sec-ico .i{width:30px;height:30px;stroke-width:1.6}
.sec-intro h2{font-size:22px;font-weight:800;line-height:1.15}
.sec-intro p{font-size:13.5px;color:var(--ink2);margin-top:6px}

.tips{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.tip{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px 18px}
.tip-top{display:flex;align-items:center;gap:8px;font-size:12px;font-weight:700;color:var(--ink2);margin-bottom:8px}
.tip-top .i{color:color-mix(in srgb,var(--hl) 80%,#000)}
.tip strong{display:block;font-size:15.5px;margin-bottom:4px}
.tip p{font-size:13px;color:var(--ink2)}

.example{display:grid;grid-template-columns:minmax(200px,.75fr) minmax(0,2.25fr);gap:26px;align-items:center;background:var(--dark);color:#fff;border-radius:20px;padding:28px}
.ex-intro h2{font-size:24px;font-weight:800;line-height:1.15}
.ex-intro p{font-size:13.5px;color:#b9c3d2;margin:10px 0 14px}
.ex-legend{display:flex;flex-wrap:wrap;gap:6px}
.tg{font:600 11px 'JetBrains Mono',monospace;padding:3px 9px;border-radius:999px;background:rgba(255,255,255,.08)}
.tg.r,mark.r{color:var(--hl)}.tg.t,mark.t{color:color-mix(in srgb,var(--accent2) 85%,#fff)}.tg.c,mark.c{color:color-mix(in srgb,var(--accent) 60%,#fff)}.tg.o,mark.o{color:#fde68a}
.ex-code{border:1px solid rgba(255,255,255,.14);border-radius:14px;background:var(--dark2);overflow:hidden}
.ex-bar{display:flex;justify-content:space-between;align-items:center;padding:10px 14px;border-bottom:1px solid rgba(255,255,255,.08)}
.pill-label{font:700 10px 'JetBrains Mono',monospace;letter-spacing:1.5px;padding:4px 10px;border-radius:6px;background:rgba(255,255,255,.1)}
.copy-mini{display:inline-flex;align-items:center;gap:6px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);color:#fff;border-radius:8px;padding:5px 10px;font:500 12px Inter,sans-serif;cursor:pointer}
.copy-mini .i{width:14px;height:14px}
.code{padding:16px 18px;font:13px/1.75 'JetBrains Mono',monospace;color:#e6ebf3;white-space:pre-wrap}
.code mark{background:none;font-weight:600}

.path{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);position:relative}
.path::before{content:"";position:absolute;left:12%;right:12%;top:15px;height:2px;background:var(--line)}
.path a{position:relative;display:grid;justify-items:start;gap:4px;padding-right:12px}
.num{width:32px;height:32px;border-radius:50%;display:grid;place-items:center;font-weight:700;font-size:13px;background:var(--card);border:2px solid color-mix(in srgb,var(--ink) 50%,transparent);margin-bottom:10px}
.path li.on .num{background:var(--hl);border-color:var(--hl);color:var(--on-hl);box-shadow:0 0 0 5px color-mix(in srgb,var(--hl) 25%,transparent)}
.path strong{font-size:14.5px}
.path small{font-size:12.5px;color:var(--ink2);line-height:1.45}
.path a:hover strong{color:color-mix(in srgb,var(--hl) 75%,#000)}

.compare{display:grid;grid-template-columns:1fr auto 1fr;gap:14px;align-items:center}
.cmp{border-radius:16px;padding:18px;border:1px solid var(--line);background:color-mix(in srgb,var(--ink) 5%,#fff)}
.cmp.strong{background:color-mix(in srgb,var(--hl) 12%,#fff);border-color:color-mix(in srgb,var(--hl) 45%,#fff)}
.cmp-head{display:flex;align-items:center;gap:8px;font-weight:700;font-size:14px;margin-bottom:10px}
.cmp-head .x{color:#e5484d;font-size:18px}
.cmp-head .v{width:22px;height:22px;border-radius:50%;background:color-mix(in srgb,var(--hl) 85%,#000);color:#fff;display:grid;place-items:center;font-size:12px}
.cmp blockquote{background:#fff;border-radius:10px;padding:12px 14px;font-size:13.5px;border:1px solid var(--line);margin-bottom:12px}
.cmp ul{list-style:none;display:grid;gap:4px;font-size:12.5px;color:var(--ink2)}
.cmp.weak li::before{content:"✕ ";color:#e5484d;font-weight:700}
.cmp.strong li::before{content:"✓ ";color:color-mix(in srgb,var(--hl) 75%,#000);font-weight:700}
.cmp-arrow .i{width:26px;height:26px}

.faq{display:grid;gap:10px}
.faq details{background:var(--card);border:1px solid var(--line);border-radius:12px}
.faq summary{list-style:none;cursor:pointer;padding:14px 18px;font-weight:600;font-size:14px;display:flex;justify-content:space-between;gap:12px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";width:9px;height:9px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg);margin-top:3px;flex:none;transition:.2s}
.faq details[open] summary::after{transform:rotate(-135deg);margin-top:8px}
.faq details p{padding:0 18px 16px;font-size:13.5px;color:var(--ink2)}

/* article cards */
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px}
.acard{background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden;display:flex;flex-direction:column;transition:.2s}
.acard:hover{transform:translateY(-3px);box-shadow:0 16px 30px rgba(20,32,52,.1)}
.acard-img{aspect-ratio:16/9;background:var(--t1a);overflow:hidden}
.acard-img img{width:100%;height:100%;object-fit:cover}
.acard-ph{display:block;width:100%;height:100%;background:linear-gradient(135deg,var(--accent),var(--pop))}
.acard-body{padding:14px 16px 16px;display:flex;flex-direction:column;gap:6px;flex:1}
.chip{align-self:flex-start;font:700 10px 'JetBrains Mono',monospace;letter-spacing:1px;text-transform:uppercase;padding:3px 8px;border-radius:6px;background:color-mix(in srgb,var(--hl) 22%,#fff);color:color-mix(in srgb,var(--hl) 40%,#000)}
.acard h3{font-size:15px;line-height:1.35}
.acard h3 a:hover{color:color-mix(in srgb,var(--hl) 70%,#000)}
.acard p{font-size:12.5px;color:var(--ink2);flex:1}
.acard-go{align-self:flex-end;display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600}
.acard-go svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2}
.acard-go span{position:absolute;left:-9999px}

.related .cards{grid-template-columns:repeat(4,minmax(0,1fr))}
@media (max-width:1280px){.related .cards{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:560px){.related .cards{grid-template-columns:1fr}}

/* listing & article pages */
.page-head{padding:44px 28px 30px;background:var(--dark2);color:#fff;position:relative;overflow:hidden}
.page-head::after{content:"";position:absolute;right:-60px;top:-80px;width:280px;height:280px;border-radius:50%;background:var(--hl);opacity:.85}
.page-head>*{position:relative;z-index:1;max-width:760px}
.page-head .kicker{color:#c0cad8}
.page-head h1{font-size:clamp(30px,4vw,46px);font-weight:800;letter-spacing:-1px;line-height:1.08}
.page-head p{color:#c9d2de;margin-top:10px}
.listing{padding:26px 28px 40px}
.empty-state{text-align:center;padding:50px 20px;border:1px dashed var(--line);border-radius:16px;background:var(--card)}
.empty-state h2{margin-bottom:6px}
.empty-state p{color:var(--ink2);margin-bottom:16px}
.pager{display:flex;gap:6px;justify-content:center;margin:28px 0 0;flex-wrap:wrap}
.pager a,.pager span{min-width:38px;height:38px;display:grid;place-items:center;border-radius:10px;border:1px solid var(--line);background:var(--card);padding:0 10px;font-size:13px}
.pager .on{background:var(--dark);color:#fff;border-color:var(--dark)}
.pager .off{opacity:.45}

.article-wrap{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:30px;padding:30px 28px 50px;align-items:start}
.post-head .meta{display:flex;flex-wrap:wrap;gap:10px;align-items:center;font-size:13px;color:var(--muted);margin-bottom:12px}
.post-head h1{font-size:clamp(30px,4vw,44px);font-weight:800;letter-spacing:-1px;line-height:1.1}
.post-head .lead{font-size:17px;color:var(--ink2);margin-top:12px}
.post-img{margin:24px 0;border-radius:18px;overflow:hidden;border:1px solid var(--line)}
.post-body{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:34px}
.prose{font-size:16.5px;color:#273244;line-height:1.8}
.prose>*+*{margin-top:1.05em}
.prose h2{font-size:24px;margin-top:1.6em;line-height:1.25;color:var(--ink)}
.prose h3{font-size:19px;margin-top:1.4em;color:var(--ink)}
.prose ul,.prose ol{padding-left:1.4em}
.prose li+li{margin-top:.35em}
.prose blockquote{border-left:4px solid var(--hl);background:color-mix(in srgb,var(--hl) 8%,#fff);padding:12px 18px;border-radius:0 12px 12px 0;color:var(--ink2)}
.prose pre{position:relative;padding-top:44px!important;background:var(--dark);color:#e8edf5;border-radius:14px;padding:18px 18px 18px;font:13.5px/1.7 'JetBrains Mono',monospace;white-space:pre-wrap;overflow-x:auto}
.prose code{font-family:'JetBrains Mono',monospace;font-size:.88em;background:color-mix(in srgb,var(--accent) 12%,#fff);padding:1px 6px;border-radius:5px}
.prose pre code{background:none;padding:0}
.prose a{color:color-mix(in srgb,var(--hl) 70%,#000);text-decoration:underline}
.copy-btn{position:absolute;top:10px;right:10px;font:600 11px Inter,sans-serif;padding:5px 10px;border-radius:8px;border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.1);color:#fff;cursor:pointer}
.copy-btn:hover{background:var(--hl);color:var(--on-hl)}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:26px}
.tags a{font-size:12.5px;padding:4px 12px;border-radius:999px;background:var(--t1a);color:var(--ink)}

.aside{position:sticky;top:24px;display:grid;gap:16px}
.widget{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:18px}
.widget h3{font-size:15px;margin-bottom:10px}
.widget ul{list-style:none;display:grid}
.widget li a{display:flex;justify-content:space-between;gap:10px;padding:8px 0;border-bottom:1px solid var(--line);font-size:13.5px}
.widget li:last-child a{border:0}
.widget li a:hover{color:color-mix(in srgb,var(--hl) 70%,#000)}
.widget li em{font-style:normal;color:var(--muted);font-size:12px}
.widget.dark{background:var(--dark);color:#fff;border-color:transparent}
.widget.dark p{font-size:13px;color:#b9c3d2;margin-bottom:12px}

.related-block{margin-top:30px}
.related-block h2{font-size:22px;margin-bottom:14px}

/* comments */
.comments{margin-top:28px;background:var(--card);border:1px solid var(--line);border-radius:20px;padding:28px}
.comments>h2{font-size:21px;margin-bottom:10px}
.comment{display:flex;gap:12px;padding:14px 0;border-bottom:1px solid var(--line)}
.c-avatar{width:38px;height:38px;border-radius:50%;flex:none;display:grid;place-items:center;font-weight:700;background:var(--t1b);color:var(--ink)}
.c-head{display:flex;gap:10px;align-items:baseline;font-size:14px}
.c-head time{font-size:12px;color:var(--muted)}
.comment p{font-size:14px;color:var(--ink2);margin-top:2px}
.c-form{display:grid;gap:12px;margin-top:22px;padding-top:20px}
.c-form h3{font-size:18px}
.c-form label{display:grid;gap:5px;font-size:13px;font-weight:600}
.c-form input,.c-form textarea{width:100%;border:1px solid var(--line);border-radius:10px;padding:11px 13px;font:inherit;font-size:14px;background:var(--page);outline:0}
.c-form input:focus,.c-form textarea:focus{border-color:var(--hl);background:#fff}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.c-form .btn-main{justify-self:start}

/* error page */
.err-page{padding:70px 28px;display:grid;place-items:center;text-align:center}
.err-code{font-size:110px;font-weight:800;letter-spacing:-4px;line-height:1;color:var(--hl);text-shadow:0 14px 40px color-mix(in srgb,var(--hl) 40%,transparent)}
.err-page h1{font-size:28px;margin:10px 0}
.err-page p{color:var(--ink2);max-width:460px;margin:0 auto 22px}

/* footer */
.t1-foot{background:var(--dark);color:#c9d2de;padding:26px 28px;display:flex;flex-wrap:wrap;gap:18px 40px;align-items:center;justify-content:space-between}
.foot-brand{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.foot-brand span{font-size:13px;color:#a9b4c4;border-left:1px solid rgba(255,255,255,.2);padding-left:16px}
.foot-links{display:flex;flex-wrap:wrap;gap:8px 22px;font-size:13.5px}
.foot-links a:hover{color:var(--hl)}
.foot-links.small{font-size:12px;color:#93a0b4;width:100%;border-top:1px solid rgba(255,255,255,.08);padding-top:14px}

/* responsive */
@media (max-width:1180px){
  .anatomy{grid-template-columns:1fr}
  .article-wrap{grid-template-columns:1fr}
  .aside{position:static}
}
@media (max-width:980px){
  .t1-shell{grid-template-columns:1fr;background:none}
  .t1-mobilebar{display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:40;background:var(--dark);padding:12px 16px}
  .menu-btn{width:42px;height:42px;border-radius:10px;border:1px solid rgba(255,255,255,.15);background:none;color:#fff;display:grid;place-items:center;cursor:pointer}
  .t1-side{position:fixed;inset:0 auto 0 0;width:280px;z-index:60;transform:translateX(-100%);transition:transform .25s}
  body.menu-open .t1-side{transform:none;box-shadow:20px 0 60px rgba(0,0,0,.4)}
  .scrim{display:block;position:fixed;inset:0;z-index:55;background:rgba(0,0,0,.5);opacity:0;pointer-events:none;transition:.2s}
  body.menu-open .scrim{opacity:1;pointer-events:auto}
  .row-sec,.example,.chapter{grid-template-columns:1fr}
  .chapter-head{border-right:0;border-bottom:2px solid var(--line);padding:0 0 16px}
}
@media (max-width:760px){
  .hero-copy{padding:44px 16px}
  .hero-sun{width:150px;height:150px;right:-30px;top:30px;opacity:.6}
  .hero-corner{display:none}
  .hero-mtn{width:100%;height:45%;opacity:.45}
  .hero-bg{inset:0;opacity:.35}
  .t1-wrap,.listing,.article-wrap{padding-left:16px;padding-right:16px}
  .page-head{padding:34px 16px 26px}
  .anatomy-parts{grid-template-columns:1fr 1fr}
  .plus{display:none}
  .tips{grid-template-columns:1fr}
  .path{grid-template-columns:1fr 1fr;gap:20px}
  .path::before{display:none}
  .compare{grid-template-columns:1fr}
  .cmp-arrow{justify-self:center;transform:rotate(90deg)}
  .card,.example,.post-body,.comments{padding:20px}
  .row2{grid-template-columns:1fr}
  .t1-foot{padding:24px 16px}
}

/* ===== one-page: reader panel, sections ===== */
[id^="kategori-"],#cari,#artikel,#faq,#builder,#contoh,#top{scroll-margin-top:24px}
body.reader-open{overflow:hidden}
.reader{position:fixed;inset:0;z-index:200;display:flex;justify-content:center;align-items:flex-start;padding:28px 16px}
.reader[hidden]{display:none}
.reader-backdrop{position:absolute;inset:0;background:rgba(5,8,14,.72);backdrop-filter:blur(6px);animation:rfade .2s ease-out}
.reader-panel{position:relative;width:min(860px,100%);max-height:calc(100vh - 56px);overflow-y:auto;overscroll-behavior:contain;border-radius:24px;padding:38px 40px 34px;background:var(--page);color:var(--ink);box-shadow:0 40px 100px rgba(0,0,0,.5);animation:rin .25s ease-out}
.reader-close{position:sticky;top:0;float:right;margin:-18px -20px 0 0;width:42px;height:42px;border-radius:50%;border:1px solid var(--line);background:#fff;color:inherit;font-size:16px;cursor:pointer;z-index:2}
.reader-close:hover{background:var(--hl);color:var(--on-hl);border-color:transparent}
.reader-article .post-head h1{padding-right:30px}
.reader-article .post-body{margin-top:18px}
.reader-article .comments{margin-top:24px}
.tags span{font-size:12.5px;padding:4px 12px;border-radius:999px;background:var(--t1a);font-weight:600}
@keyframes rfade{from{opacity:0}}
@keyframes rin{from{opacity:0;transform:translateY(14px)}}
@media (max-width:760px){.reader{padding:0}.reader-panel{max-height:100vh;height:100vh;border-radius:0;padding:24px 16px}.reader-close{margin:-8px -6px 0 0}}
@media (max-width:980px){[id^="kategori-"],#cari,#artikel,#faq,#contoh,#top{scroll-margin-top:76px}}
.cat-sec .kicker{margin-bottom:2px}

/* ===== simple animations ===== */
@keyframes upIn{from{opacity:0;transform:translateY(22px)}to{opacity:1;transform:none}}
@keyframes floatY{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
@keyframes shine{from{left:-60%}to{left:130%}}
@keyframes ring{0%{box-shadow:0 0 0 0 color-mix(in srgb,var(--hl) 55%,transparent)}100%{box-shadow:0 0 0 12px transparent}}
/* scroll reveal: JS marks elements with .rv and adds .in when they enter the viewport */
.anim .rv{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s cubic-bezier(.2,.7,.2,1);transition-delay:calc(var(--i,0) * 70ms)}
.anim .rv.in{opacity:1;transform:none}
/* hero entrance */
.hero-copy>*{animation:upIn .7s cubic-bezier(.2,.7,.2,1) both}
.hero-copy>*:nth-child(2){animation-delay:.1s}.hero-copy>*:nth-child(3){animation-delay:.2s}
.hero-copy>*:nth-child(4){animation-delay:.3s}.hero-copy>*:nth-child(5){animation-delay:.4s}
/* button shine */
.btn-main,.btn-hl{position:relative;overflow:hidden}
.btn-main::after,.btn-hl::after{content:"";position:absolute;top:0;left:-60%;width:40%;height:100%;background:linear-gradient(100deg,transparent,rgba(255,255,255,.45),transparent);transform:skewX(-20deg);pointer-events:none}
.btn-main:hover::after,.btn-hl:hover::after{animation:shine .7s ease}
/* logo */
.logo-mark{transition:transform .4s cubic-bezier(.3,1.6,.5,1)}
.brand:hover .logo-mark{transform:rotate(-10deg) scale(1.08)}
/* cards: image zoom on hover */
.acard-img img{transition:transform .5s ease}
.acard:hover .acard-img img{transform:scale(1.06)}
.hero-sun{animation:floatY 6s ease-in-out infinite,sunGlow 4s ease-in-out infinite alternate}
@keyframes sunGlow{from{box-shadow:0 0 50px color-mix(in srgb,var(--hl) 40%,transparent)}to{box-shadow:0 0 110px color-mix(in srgb,var(--hl) 65%,transparent)}}
.hero-bg{animation:drift 30s ease-in-out infinite alternate}
@keyframes drift{from{transform:scale(1.02)}to{transform:scale(1.08) translateX(-1.5%)}}
.path li.on .num{animation:ring 1.8s ease-out infinite}
.part{transition:transform .25s ease,box-shadow .25s ease}
.part:hover{transform:translateY(-4px);box-shadow:0 12px 24px rgba(20,32,52,.1)}
.tip{transition:transform .25s ease,box-shadow .25s ease}
.tip:hover{transform:translateY(-3px);box-shadow:0 12px 24px rgba(20,32,52,.08)}
.side-nav a .i{transition:transform .2s ease}
.side-nav a:hover .i{transform:translateX(3px)}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}.anim .rv{opacity:1;transform:none}}

/* ===== per-brand hero illustration ===== */
.hero-illo{position:absolute;right:2%;top:6%;width:min(50%,640px);height:88%;filter:drop-shadow(0 24px 40px rgba(0,0,0,.35))}
.illo-float{animation:floatY 6s ease-in-out infinite}
.illo-sway{animation:sway 5s ease-in-out infinite}
.illo-tilt{animation:tilt 4.5s ease-in-out infinite}
.illo-blink{animation:blinkI 2.2s ease-in-out infinite}
.illo-spin{animation:spinI 24s linear infinite}
.illo-spin-slow{animation:spinI 40s linear infinite}
.illo-rays{animation:rays 3s ease-in-out infinite}
.illo-bounce{animation:bounceI 1.4s cubic-bezier(.5,0,.5,1) infinite}
@keyframes sway{0%,100%{transform:rotate(-4deg)}50%{transform:rotate(4deg)}}
@keyframes tilt{0%,100%{transform:rotate(0)}50%{transform:rotate(-6deg) translateY(-6px)}}
@keyframes blinkI{0%,100%{opacity:1}50%{opacity:.25}}
@keyframes spinI{to{transform:rotate(360deg)}}
@keyframes rays{0%,100%{opacity:.55;transform:scale(.96)}50%{opacity:1;transform:scale(1.04)}}
@keyframes bounceI{0%,100%{transform:translateY(0)}50%{transform:translateY(-58px)}}
@media (max-width:980px){.hero-illo{width:60%;opacity:.5;right:-6%}}
@media (max-width:760px){.hero-illo{width:90%;right:-30%;top:auto;bottom:0;height:60%;opacity:.28}}
@media (prefers-reduced-motion:reduce){.hero-illo *{animation:none!important}}

.post-img{position:relative}
.post-img figcaption{position:absolute;right:10px;bottom:10px;font-size:11px;padding:3px 10px;border-radius:999px;background:rgba(0,0,0,.55);color:#fff;backdrop-filter:blur(4px)}