/* ============================================================
   DESIGN TOKENS  (edit here to re-theme the whole site)
   ============================================================ */
:root{
  color-scheme: light;
  --bg:#F4F6FB; --bg-alt:#ECF0F9; --surface:#FFFFFF; --surface-2:#F6F8FD;
  --ink:#0D1630; --ink-2:#34425F; --muted:#586582;
  --line:#DDE3F0; --line-strong:#C5CFE3;
  --accent:#4F46E5; --accent-text:#4338CA; --accent-soft:rgba(79,70,229,.10); --accent-line:rgba(79,70,229,.38);
  --cyan:#0891B2; --cyan-text:#0E7490; --cyan-soft:rgba(8,145,178,.12);
  --btn-bg:linear-gradient(135deg,#4F46E5 0%,#2563EB 55%,#0E7490 100%); --btn-ink:#fff;
  --danger:#B42318; --danger-soft:#FEF3F2; --ok:#067647; --ok-soft:#ECFDF3;
  --shadow-sm:0 1px 2px rgba(13,22,48,.06);
  --shadow-md:0 14px 34px -14px rgba(52,60,140,.32);
  --glow-1:rgba(99,102,241,.22); --glow-2:rgba(34,211,238,.18); --grid:rgba(13,22,48,.05);
  --code-bg:#0A1024; --code-line:#1E2B4D; --code-ink:#D6DEF5; --code-muted:#7E8CB3;
  --font-display:"Bricolage Grotesque","Segoe UI",system-ui,-apple-system,sans-serif;
  --font-body:"Instrument Sans","Segoe UI",system-ui,-apple-system,sans-serif;
  --font-mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --pad:clamp(1rem,4vw,2rem); --max:1200px;
  --r-lg:20px; --r-md:14px; --r-sm:10px;
  --ease:cubic-bezier(.2,.7,.2,1);
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    color-scheme: dark;
    --bg:#080E1F; --bg-alt:#0B1329; --surface:#0F1830; --surface-2:#131F3D;
    --ink:#EAF0FF; --ink-2:#BAC5E2; --muted:#93A0C2;
    --line:#1E2B4D; --line-strong:#2B3B66;
    --accent:#8C94FF; --accent-text:#A5ABFF; --accent-soft:rgba(140,148,255,.14); --accent-line:rgba(140,148,255,.5);
    --cyan:#22D3EE; --cyan-text:#67E1F5; --cyan-soft:rgba(34,211,238,.14);
    --btn-bg:linear-gradient(135deg,#8C94FF 0%,#4FB6F5 60%,#22D3EE 100%); --btn-ink:#06102A;
    --danger:#FF9B92; --danger-soft:rgba(255,120,110,.12); --ok:#5FE3A1; --ok-soft:rgba(95,227,161,.12);
    --shadow-sm:none; --shadow-md:0 18px 40px -18px rgba(0,0,0,.7);
    --glow-1:rgba(99,102,241,.3); --glow-2:rgba(34,211,238,.16); --grid:rgba(255,255,255,.045);
  }
}
:root[data-theme="dark"]{
  color-scheme: dark;
  --bg:#080E1F; --bg-alt:#0B1329; --surface:#0F1830; --surface-2:#131F3D;
  --ink:#EAF0FF; --ink-2:#BAC5E2; --muted:#93A0C2;
  --line:#1E2B4D; --line-strong:#2B3B66;
  --accent:#8C94FF; --accent-text:#A5ABFF; --accent-soft:rgba(140,148,255,.14); --accent-line:rgba(140,148,255,.5);
  --cyan:#22D3EE; --cyan-text:#67E1F5; --cyan-soft:rgba(34,211,238,.14);
  --btn-bg:linear-gradient(135deg,#8C94FF 0%,#4FB6F5 60%,#22D3EE 100%); --btn-ink:#06102A;
  --danger:#FF9B92; --danger-soft:rgba(255,120,110,.12); --ok:#5FE3A1; --ok-soft:rgba(95,227,161,.12);
  --shadow-sm:none; --shadow-md:0 18px 40px -18px rgba(0,0,0,.7);
  --glow-1:rgba(99,102,241,.3); --glow-2:rgba(34,211,238,.16); --grid:rgba(255,255,255,.045);
}

/* ============================================================ BASE */
:root{ box-sizing:border-box; padding-top:env(safe-area-inset-top,0px); padding-bottom:env(safe-area-inset-bottom,0px); }
html{ scroll-padding-top:calc(88px + env(safe-area-inset-top,0px)); scroll-behavior:smooth; -webkit-text-size-adjust:100%; }
*,*::before,*::after{ box-sizing:inherit; }
body{ margin:0; background:var(--bg); color:var(--ink); font-family:var(--font-body); font-size:1.0625rem; line-height:1.65; -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility; overflow-x:hidden; }
img,svg{ max-width:100%; }
h1,h2,h3,h4{ font-family:var(--font-display); line-height:1.1; letter-spacing:-.02em; margin:0; color:var(--ink); font-weight:700; }
h1{ font-size:clamp(2.5rem,4.6vw + 1rem,4.6rem); letter-spacing:-.035em; font-weight:800; line-height:1.02; }
h2{ font-size:clamp(1.85rem,2.2vw + 1rem,2.85rem); letter-spacing:-.03em; }
h3{ font-size:1.25rem; letter-spacing:-.015em; line-height:1.25; }
p{ margin:0; }
a{ color:var(--accent-text); text-decoration:none; }
ul,ol{ margin:0; padding:0; list-style:none; }
button,input,select,textarea{ font:inherit; color:inherit; }
button{ cursor:pointer; }
::selection{ background:var(--accent); color:var(--btn-ink); }
:focus-visible{ outline:3px solid var(--accent); outline-offset:3px; border-radius:6px; }
main:focus{ outline:none; }
.muted{ color:var(--muted); }
.small{ font-size:.875rem; }
.lead{ font-size:clamp(1.05rem,.5vw + 1rem,1.25rem); color:var(--ink-2); max-width:60ch; line-height:1.6; }
.visually-hidden{ position:absolute!important; width:1px; height:1px; overflow:hidden; clip:rect(0 0 0 0); white-space:nowrap; }
.container{ width:100%; max-width:calc(var(--max) + 2*var(--pad)); margin-inline:auto; padding-inline:var(--pad); }
.section{ padding-block:clamp(3.5rem,8vw,6.5rem); }
.section--alt{ background:var(--bg-alt); border-block:1px solid var(--line); }
.ic{ width:1.15em; height:1.15em; flex:none; }
.skip{ position:absolute; left:1rem; top:-4rem; z-index:100; background:var(--surface); color:var(--ink); padding:.6rem 1rem; border-radius:10px; border:1px solid var(--line-strong); transition:top .2s; }
.skip:focus{ top:calc(.75rem + env(safe-area-inset-top,0px)); }
.page-in{ animation:pageIn .3s var(--ease) both; }
@keyframes pageIn{ from{ opacity:0; transform:translateY(8px);} to{ opacity:1; transform:none;} }

/* ============================================================ BUTTONS / BADGES */
.btn{ display:inline-flex; align-items:center; justify-content:center; gap:.55rem; padding:.72rem 1.2rem; border-radius:12px; border:1px solid transparent; font-weight:600; font-size:.98rem; line-height:1.2; text-decoration:none; transition:transform .2s var(--ease), box-shadow .2s, border-color .2s, background .2s; white-space:nowrap; }
.btn .ic-arrow{ transition:transform .2s var(--ease); }
.btn:hover .ic-arrow{ transform:translateX(3px); }
.btn-lg{ padding:.95rem 1.5rem; font-size:1.03rem; }
.btn-sm{ padding:.5rem .85rem; font-size:.9rem; border-radius:10px; }
.btn-primary{ background:var(--btn-bg); color:var(--btn-ink); box-shadow:0 8px 22px -10px var(--accent); }
.btn-primary:hover{ transform:translateY(-2px); box-shadow:0 14px 28px -10px var(--accent); color:var(--btn-ink); }
.btn-secondary{ background:var(--surface); color:var(--ink); border-color:var(--line-strong); }
.btn-secondary:hover{ border-color:var(--accent); color:var(--accent-text); transform:translateY(-1px); }
.btn[disabled],.btn[aria-busy="true"]{ opacity:.75; cursor:progress; transform:none!important; }
.btn-light{ background:#fff; color:#0D1630; }
.btn-light:hover{ transform:translateY(-2px); box-shadow:0 12px 26px -10px rgba(0,0,0,.5); color:#0D1630; }
.btn-outline-light{ border-color:rgba(255,255,255,.45); color:#fff; background:transparent; }
.btn-outline-light:hover{ background:rgba(255,255,255,.12); color:#fff; }
.badge{ display:inline-flex; align-items:center; gap:.35rem; padding:.18rem .6rem; border-radius:999px; font-size:.78rem; font-weight:600; border:1px solid var(--line); background:var(--surface-2); color:var(--ink-2); line-height:1.5; }
.badge .ic{ width:.95em; height:.95em; }
.badge--new{ background:var(--cyan-soft); color:var(--cyan-text); border-color:transparent; }
.badge--popular{ background:var(--accent-soft); color:var(--accent-text); border-color:transparent; }
.badge--beta{ background:transparent; border-style:dashed; border-color:var(--line-strong); }
.chips{ display:flex; flex-wrap:wrap; gap:.4rem; }
.chip{ font-family:var(--font-mono); font-size:.74rem; padding:.16rem .5rem; border-radius:8px; background:var(--surface-2); border:1px solid var(--line); color:var(--ink-2); }
.checks{ display:grid; gap:.45rem; }
.checks li{ display:flex; gap:.6rem; align-items:flex-start; font-size:.95rem; color:var(--ink-2); line-height:1.45; }
.checks .ic{ color:var(--cyan-text); margin-top:.1rem; width:1.05em; height:1.05em; }

/* ============================================================ HEADER */
.site-header{ position:sticky; top:env(safe-area-inset-top,0px); z-index:50; background:var(--bg); background:color-mix(in srgb,var(--bg) 84%,transparent); -webkit-backdrop-filter:saturate(1.5) blur(14px); backdrop-filter:saturate(1.5) blur(14px); border-bottom:1px solid transparent; transition:border-color .2s; }
.site-header.scrolled{ border-bottom-color:var(--line); }
.nav{ display:flex; align-items:center; justify-content:space-between; gap:1rem; height:68px; }
.brand{ display:inline-flex; align-items:center; gap:.65rem; color:var(--ink); font-family:var(--font-display); font-weight:800; font-size:1.3rem; letter-spacing:-.03em; }
.brand:hover{ color:var(--ink); }
.brand svg{ width:34px; height:34px; }
.brand small{ font-weight:500; color:var(--muted); letter-spacing:0; }
.nav-links{ display:flex; gap:.15rem; align-items:center; }
.nav-links a{ display:block; padding:.5rem .85rem; border-radius:10px; color:var(--ink-2); font-weight:500; font-size:.97rem; transition:background .2s,color .2s; }
.nav-links a:hover{ background:var(--surface-2); color:var(--ink); }
.nav-links a[aria-current="page"]{ background:var(--accent-soft); color:var(--accent-text); }
.nav-actions{ display:flex; align-items:center; gap:.5rem; }
.icon-btn{ width:42px; height:42px; display:inline-grid; place-items:center; border-radius:12px; border:1px solid var(--line); background:var(--surface); color:var(--ink); transition:border-color .2s, transform .2s; }
.icon-btn:hover{ border-color:var(--accent); }
.icon-btn .ic{ width:20px; height:20px; }
.nav-toggle{ display:none; }
.mobile-menu{ display:none; }
@media (max-width:900px){
  .nav-links{ display:none; }
  .nav-toggle{ display:inline-grid; }
  .mobile-menu{ display:block; position:absolute; left:0; right:0; top:100%; background:var(--bg); border-bottom:1px solid var(--line); padding:.5rem var(--pad) 1.25rem; visibility:hidden; opacity:0; transform:translateY(-8px); transition:opacity .2s, transform .2s var(--ease), visibility .2s; box-shadow:var(--shadow-md); }
  .mobile-menu.open{ visibility:visible; opacity:1; transform:none; }
  .mobile-menu a{ display:flex; justify-content:space-between; align-items:center; padding:.95rem .25rem; border-bottom:1px solid var(--line); color:var(--ink); font-weight:600; font-family:var(--font-display); font-size:1.15rem; }
  .mobile-menu a[aria-current="page"]{ color:var(--accent-text); }
  .mobile-menu .btn{ margin-top:1rem; width:100%; border-bottom:0; }
}

/* ============================================================ HERO */
.hero{ position:relative; overflow:hidden; padding-block:clamp(2.5rem,6vw,5.5rem) clamp(3rem,6vw,5rem); }
.hero::before{ content:""; position:absolute; inset:0; background:radial-gradient(55% 55% at 78% 18%,var(--glow-1),transparent 70%), radial-gradient(40% 40% at 8% 0%,var(--glow-2),transparent 70%); pointer-events:none; }
.hero::after{ content:""; position:absolute; inset:0; background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px); background-size:48px 48px; -webkit-mask-image:radial-gradient(70% 65% at 60% 30%,#000,transparent 78%); mask-image:radial-gradient(70% 65% at 60% 30%,#000,transparent 78%); pointer-events:none; }
.hero .container{ position:relative; z-index:1; }
.hero-grid{ display:grid; grid-template-columns:minmax(0,1.02fr) minmax(0,1fr); gap:clamp(2rem,5vw,4.5rem); align-items:center; }
.hero-copy{ display:grid; gap:1.6rem; justify-items:start; }
.announce{ display:inline-flex; align-items:center; gap:.6rem; padding:.3rem .8rem .3rem .3rem; border-radius:999px; border:1px solid var(--line); background:var(--surface); color:var(--ink-2); font-size:.9rem; transition:border-color .2s; }
.announce:hover{ border-color:var(--accent-line); color:var(--ink); }
.cta-row{ display:flex; flex-wrap:wrap; gap:.75rem; }
.hero-facts{ display:flex; flex-wrap:wrap; gap:.5rem 1.4rem; color:var(--muted); font-size:.93rem; }
.hero-facts li{ display:inline-flex; gap:.45rem; align-items:center; }
.hero-facts .ic{ color:var(--cyan-text); }
@media (max-width:980px){ .hero-grid{ grid-template-columns:1fr; } }
.hero-visual{ position:relative; min-width:0; }

/* code window */
.win{ background:var(--code-bg); color:var(--code-ink); border:1px solid var(--code-line); border-radius:18px; overflow:hidden; box-shadow:0 30px 60px -24px rgba(20,24,80,.55); font-family:var(--font-mono); font-size:.83rem; }
.win-bar{ display:flex; align-items:center; gap:.75rem; padding:.55rem .7rem; border-bottom:1px solid var(--code-line); background:rgba(255,255,255,.02); }
.dots{ display:inline-flex; gap:6px; }
.dots i{ width:10px; height:10px; border-radius:50%; background:#2B3B66; }
.dots i:nth-child(1){ background:#FF6B6B; } .dots i:nth-child(2){ background:#FFC857; } .dots i:nth-child(3){ background:#4CD9A0; }
.win-tabs{ display:flex; gap:.15rem; margin-right:auto; }
.win-tabs button{ background:none; border:0; color:var(--code-muted); padding:.3rem .65rem; border-radius:8px; font-family:var(--font-mono); font-size:.8rem; transition:background .2s,color .2s; }
.win-tabs button:hover{ color:var(--code-ink); }
.win-tabs button[aria-selected="true"]{ background:rgba(140,148,255,.16); color:#C9CEFF; }
.run{ display:inline-flex; align-items:center; gap:.4rem; background:#22D3EE; color:#04121F; border:0; border-radius:8px; padding:.35rem .75rem; font-family:var(--font-mono); font-weight:500; font-size:.8rem; transition:transform .2s, filter .2s; }
.run:hover{ filter:brightness(1.1); transform:translateY(-1px); }
.run[disabled]{ opacity:.7; cursor:progress; transform:none; }
.run .ic{ width:.9em; height:.9em; fill:currentColor; }
.code-scroll{ overflow-x:auto; padding:1.1rem 1.1rem 1rem; min-height:11.5rem; line-height:1.7; }
.ln{ display:block; white-space:pre; overflow:hidden; width:calc(var(--n)*1ch); animation:type calc(var(--n)*14ms + 120ms) steps(var(--n),end) both; animation-delay:var(--d); }
@keyframes type{ from{ width:0; } to{ width:calc(var(--n)*1ch); } }
.t-k{ color:#C4A7FF; } .t-s{ color:#7EE6C4; } .t-n{ color:#FFB86B; } .t-f{ color:#7DD3FC; } .t-c{ color:#6B7A9F; font-style:italic; } .t-p{ color:#9DB8FF; }
.win-res{ border-top:1px solid var(--code-line); background:rgba(255,255,255,.02); }
.win-res-head{ display:flex; justify-content:space-between; align-items:center; padding:.5rem 1.1rem; color:var(--code-muted); font-size:.78rem; }
.status{ display:inline-flex; align-items:center; gap:.4rem; }
.status.ok{ color:#5FE3A1; }
.res-body{ padding:0 1.1rem 1rem; min-height:6.6rem; }
.res-body pre{ margin:0; font:inherit; line-height:1.6; white-space:pre; overflow-x:auto; }
.res-empty{ color:var(--code-muted); display:flex; align-items:center; gap:.6rem; padding-top:.4rem; }
.spin{ width:14px; height:14px; border-radius:50%; border:2px solid currentColor; border-top-color:transparent; animation:spin .7s linear infinite; display:inline-block; }
@keyframes spin{ to{ transform:rotate(360deg);} }
.float{ position:absolute; background:var(--surface); border:1px solid var(--line); border-radius:14px; box-shadow:var(--shadow-md); padding:.55rem .85rem; display:none; pointer-events:none; }
.float-a{ left:1.5rem; bottom:-3rem; font-family:var(--font-mono); font-size:.78rem; color:var(--ink-2); }
.float-a b{ color:var(--ok); font-weight:500; }
.float-b{ right:1.5rem; top:-3rem; align-items:center; gap:.85rem; }
.float-b span{ font-size:.75rem; color:var(--muted); display:block; line-height:1.2; }
.float-b strong{ font-family:var(--font-display); font-size:1.1rem; line-height:1.2; }
.spark{ width:76px; height:28px; }
.spark polyline{ fill:none; stroke:var(--accent); stroke-width:2.5; stroke-linecap:round; stroke-linejoin:round; stroke-dasharray:260; stroke-dashoffset:260; animation:draw 1.4s 1s var(--ease) forwards; }
@keyframes draw{ to{ stroke-dashoffset:0; } }
@media (min-width:1100px){ .float-a{ display:block; } .float-b{ display:flex; } }

/* ============================================================ SECTIONS / CARDS */
.sec-head{ display:flex; justify-content:space-between; align-items:flex-end; gap:1.5rem; flex-wrap:wrap; margin-bottom:clamp(1.75rem,4vw,3rem); }
.sec-head .lead{ margin-top:.9rem; }
.card{ background:var(--surface); border:1px solid var(--line); border-radius:var(--r-lg); padding:1.5rem; position:relative; box-shadow:var(--shadow-sm); }
.card--hover{ transition:transform .25s var(--ease), border-color .25s, box-shadow .25s; }
.card--hover:hover{ transform:translateY(-3px); border-color:var(--accent-line); box-shadow:var(--shadow-md); }
.card-link::after{ content:""; position:absolute; inset:0; border-radius:inherit; }
.logo-tile{ width:48px; height:48px; border-radius:14px; display:inline-grid; place-items:center; color:#fff; background:linear-gradient(135deg,var(--g1),var(--g2)); box-shadow:inset 0 1px 0 rgba(255,255,255,.35), 0 8px 18px -8px var(--g1); flex:none; overflow:hidden; }
.logo-tile .ic{ width:24px; height:24px; }
.logo-tile img{ width:100%; height:100%; object-fit:cover; }
.logo-tile--lg{ width:72px; height:72px; border-radius:20px; } .logo-tile--lg .ic{ width:34px; height:34px; }
.grid{ display:grid; gap:1.25rem; }
.grid-3{ grid-template-columns:repeat(3,minmax(0,1fr)); }
.grid-2{ grid-template-columns:repeat(2,minmax(0,1fr)); }
@media (max-width:980px){ .grid-3{ grid-template-columns:repeat(2,minmax(0,1fr)); } }
@media (max-width:680px){ .grid-3,.grid-2{ grid-template-columns:minmax(0,1fr); } }
.card{ min-width:0; }

/* bento */
.bento{ display:grid; gap:1.25rem; grid-template-columns:repeat(12,1fr); }
.bento .b{ display:flex; flex-direction:column; gap:1rem; overflow:hidden; }
.b:nth-child(1){ grid-column:span 7; } .b:nth-child(2){ grid-column:span 5; }
.b:nth-child(3){ grid-column:span 5; } .b:nth-child(4){ grid-column:span 7; }
@media (max-width:900px){ .bento .b{ grid-column:1/-1!important; } }
.b h3{ display:flex; align-items:center; gap:.7rem; font-size:1.4rem; }
.b p{ color:var(--ink-2); max-width:46ch; }
.b .more{ font-weight:600; display:inline-flex; gap:.4rem; align-items:center; margin-top:auto; padding-top:.25rem; }
.tile{ width:40px; height:40px; border-radius:12px; display:inline-grid; place-items:center; background:var(--accent-soft); color:var(--accent-text); flex:none; }
.tile--cyan{ background:var(--cyan-soft); color:var(--cyan-text); }
.viz{ margin-top:auto; border-radius:14px; background:var(--code-bg); border:1px solid var(--code-line); padding:.9rem 1rem; font-family:var(--font-mono); font-size:.78rem; color:var(--code-ink); display:grid; gap:.35rem; line-height:1.5; overflow:hidden; }
.viz .ok{ color:#5FE3A1; } .viz .dim{ color:var(--code-muted); }
.viz .row{ display:flex; gap:.75rem; justify-content:space-between; white-space:nowrap; }
.m-get{ color:#7DD3FC; } .m-post{ color:#7EE6C4; } .m-del{ color:#FF9B92; }
.bars{ display:flex; align-items:flex-end; gap:6px; height:64px; }
.bars i{ flex:1; border-radius:5px 5px 2px 2px; background:linear-gradient(180deg,#8C94FF,#22D3EE); opacity:.9; }

/* logos strip */
.logos{ padding-block:1.5rem 2.75rem; }
.logos p{ text-align:center; color:var(--muted); font-size:.92rem; margin-bottom:1.1rem; }
.logos ul{ display:flex; flex-wrap:wrap; justify-content:center; gap:1rem 2.75rem; }
.logos li{ font-family:var(--font-display); font-weight:700; font-size:1.2rem; letter-spacing:-.02em; color:var(--muted); opacity:.85; display:inline-flex; align-items:center; gap:.45rem; }

/* products */
.product-card{ display:flex; flex-direction:column; gap:1rem; }
.pc-top{ display:flex; justify-content:space-between; align-items:flex-start; gap:.75rem; }
.pc-badges{ display:flex; flex-wrap:wrap; gap:.35rem; justify-content:flex-end; }
.pc-desc{ color:var(--ink-2); font-size:.98rem; }
.pc-foot{ margin-top:auto; padding-top:1rem; border-top:1px solid var(--line); display:flex; justify-content:space-between; align-items:center; gap:.75rem; flex-wrap:wrap; }
.price{ display:grid; line-height:1.3; }
.price strong{ font-family:var(--font-display); font-size:1.05rem; }
.price span{ font-size:.82rem; color:var(--muted); }
.toolbar{ display:flex; flex-wrap:wrap; gap:.75rem 1rem; align-items:center; margin-bottom:1.25rem; }
.search{ position:relative; flex:1 1 260px; max-width:420px; }
.search .ic{ position:absolute; left:.9rem; top:50%; transform:translateY(-50%); color:var(--muted); pointer-events:none; }
.search input{ padding-left:2.6rem; }
.filters{ display:flex; flex-wrap:wrap; gap:.45rem; margin-bottom:1.25rem; }
.pill{ padding:.42rem .95rem; border-radius:999px; border:1px solid var(--line-strong); background:var(--surface); color:var(--ink-2); font-size:.9rem; font-weight:500; transition:all .2s; }
.pill:hover{ border-color:var(--accent); color:var(--accent-text); }
.pill[aria-pressed="true"]{ background:var(--ink); color:var(--bg); border-color:var(--ink); }
.pill span{ opacity:.6; margin-left:.3rem; font-variant-numeric:tabular-nums; }
.result-count{ color:var(--muted); font-size:.92rem; margin-bottom:1rem; }
.skeleton{ border-radius:8px; background:linear-gradient(90deg,var(--surface-2) 25%,var(--line) 37%,var(--surface-2) 63%); background-size:400% 100%; animation:shimmer 1.4s ease infinite; }
@keyframes shimmer{ from{ background-position:100% 0;} to{ background-position:0 0;} }
.sk-card{ display:grid; gap:.9rem; }
.empty{ text-align:center; padding:clamp(2.5rem,7vw,4.5rem) 1.25rem; border:1px dashed var(--line-strong); border-radius:var(--r-lg); background:var(--surface); display:grid; gap:.9rem; justify-items:center; }
.empty .tile{ width:56px; height:56px; border-radius:16px; }
.empty p{ color:var(--muted); max-width:44ch; }
.state-error{ border-color:var(--danger); }

/* why */
.why{ display:grid; grid-template-columns:minmax(0,.8fr) minmax(0,1.5fr); gap:clamp(2rem,5vw,5rem); align-items:start; }
.why-intro{ position:sticky; top:calc(96px + env(safe-area-inset-top,0px)); display:grid; gap:1.25rem; justify-items:start; }
.why-list{ display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:0 2rem; }
.why-item{ padding:1.5rem 0; border-top:1px solid var(--line-strong); display:grid; gap:.6rem; align-content:start; }
.why-item p{ color:var(--ink-2); font-size:.98rem; }
.why-item h3{ display:flex; align-items:center; gap:.65rem; font-size:1.12rem; }
@media (max-width:900px){ .why{ grid-template-columns:1fr; } .why-intro{ position:static; } }
@media (max-width:600px){ .why-list{ grid-template-columns:1fr; } }

/* resources */
.res-card{ display:flex; flex-direction:column; gap:.85rem; }
.res-meta{ display:flex; justify-content:space-between; align-items:center; gap:.5rem; }
.res-card p{ color:var(--ink-2); font-size:.96rem; }
.res-foot{ margin-top:auto; padding-top:.5rem; display:flex; justify-content:space-between; align-items:center; gap:.75rem; flex-wrap:wrap; }
.res-foot .go{ font-weight:600; font-size:.93rem; display:inline-flex; gap:.35rem; align-items:center; }
.code{ margin:0; background:var(--code-bg); color:var(--code-ink); border:1px solid var(--code-line); border-radius:12px; padding:.9rem 1rem; font-family:var(--font-mono); font-size:.78rem; line-height:1.65; overflow-x:auto; position:relative; }
.code-head{ display:flex; justify-content:space-between; align-items:center; }
.copy{ display:inline-flex; align-items:center; gap:.4rem; background:var(--surface-2); border:1px solid var(--line-strong); border-radius:8px; padding:.28rem .6rem; font-size:.8rem; font-weight:500; transition:border-color .2s,color .2s; }
.copy:hover{ border-color:var(--accent); color:var(--accent-text); }
.docs-links a{ display:flex; gap:.9rem; align-items:center; color:var(--ink); }
.docs-links strong{ display:block; font-family:var(--font-display); font-size:1.02rem; }
.docs-links span.d{ font-size:.87rem; color:var(--muted); line-height:1.4; display:block; }

/* testimonials */
.quote{ display:flex; flex-direction:column; gap:1.25rem; }
.quote blockquote{ margin:0; font-size:1.06rem; color:var(--ink); line-height:1.6; }
.quote figcaption{ display:flex; gap:.8rem; align-items:center; margin-top:auto; }
.avatar{ width:42px; height:42px; border-radius:50%; display:grid; place-items:center; background:linear-gradient(135deg,var(--g1),var(--g2)); color:#fff; font-weight:700; font-size:.9rem; font-family:var(--font-display); }
.quote figcaption strong{ display:block; line-height:1.2; }
.quote figcaption span{ font-size:.87rem; color:var(--muted); }

/* CTA band */
.cta-band{ position:relative; overflow:hidden; border-radius:28px; padding:clamp(2rem,6vw,4.25rem); background:linear-gradient(135deg,#3B36C9 0%,#2453D6 55%,#0C7A96 100%); color:#fff; display:grid; gap:1.5rem; justify-items:start; }
.cta-band::after{ content:""; position:absolute; inset:0; background-image:linear-gradient(rgba(255,255,255,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.08) 1px,transparent 1px); background-size:40px 40px; -webkit-mask-image:linear-gradient(120deg,transparent 35%,#000); mask-image:linear-gradient(120deg,transparent 35%,#000); pointer-events:none; }
.cta-band > *{ position:relative; z-index:1; }
.cta-band h2{ color:#fff; max-width:20ch; }
.cta-band p{ color:rgba(255,255,255,.88); max-width:52ch; font-size:1.12rem; }

/* page hero (inner pages) */
.page-hero{ position:relative; overflow:hidden; padding-block:clamp(2.75rem,7vw,5.5rem) clamp(2rem,4vw,3.5rem); border-bottom:1px solid var(--line); }
.page-hero::before{ content:""; position:absolute; inset:0; background:radial-gradient(50% 90% at 90% 0%,var(--glow-1),transparent 70%), radial-gradient(35% 70% at 0% 0%,var(--glow-2),transparent 70%); pointer-events:none; }
.page-hero .container{ position:relative; display:grid; gap:1.25rem; }
.page-hero h1{ font-size:clamp(2.25rem,3.6vw + 1rem,3.9rem); max-width:18ch; }
.crumbs{ display:flex; gap:.5rem; align-items:center; font-size:.9rem; color:var(--muted); }
.crumbs a{ color:var(--muted); } .crumbs a:hover{ color:var(--accent-text); }

/* services */
.svc-layout{ display:grid; grid-template-columns:230px minmax(0,1fr); gap:clamp(2rem,5vw,4rem); align-items:start; }
.svc-index{ position:sticky; top:calc(96px + env(safe-area-inset-top,0px)); display:grid; gap:.15rem; }
.svc-index button{ text-align:left; background:none; border:0; border-left:2px solid var(--line); padding:.55rem .9rem; color:var(--muted); font-weight:500; transition:all .2s; }
.svc-index button:hover{ color:var(--ink); }
.svc-index button.on{ border-left-color:var(--accent); color:var(--accent-text); background:var(--accent-soft); border-radius:0 8px 8px 0; }
.svc-list{ display:grid; grid-template-columns:minmax(0,1fr); gap:1.5rem; }
.service{ display:grid; grid-template-columns:minmax(0,1fr); gap:1.25rem; }
.service-head{ display:flex; gap:1rem; align-items:center; }
.service-head h2{ min-width:0; }
.service h2{ font-size:clamp(1.5rem,1.4vw + 1rem,2rem); }
.service .cols{ display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:1.5rem; padding-top:1.25rem; border-top:1px solid var(--line); }
.service h3{ font-size:.98rem; color:var(--muted); font-family:var(--font-body); font-weight:600; letter-spacing:0; margin-bottom:.7rem; }
@media (max-width:900px){ .svc-layout{ grid-template-columns:1fr; } .svc-index{ display:none; } }
@media (max-width:640px){ .service .cols{ grid-template-columns:1fr; } }
.steps{ display:grid; grid-template-columns:repeat(5,minmax(0,1fr)); gap:1.25rem; }
.step{ border-top:2px solid var(--line-strong); padding-top:1rem; display:grid; gap:.5rem; align-content:start; }
.step .n{ font-family:var(--font-mono); color:var(--accent-text); font-weight:500; font-size:.88rem; }
.step p{ font-size:.95rem; color:var(--ink-2); }
@media (max-width:900px){ .steps{ grid-template-columns:1fr; } .step{ border-top:0; border-left:2px solid var(--line-strong); padding:0 0 0 1.1rem; } }

/* about */
.split{ display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:1.25rem; }
@media (max-width:760px){ .split{ grid-template-columns:1fr; } }
.big-card{ padding:clamp(1.5rem,3vw,2.25rem); display:grid; gap:1rem; align-content:start; }
.big-card h2{ font-size:1.9rem; } .big-card p{ color:var(--ink-2); font-size:1.12rem; }
.stats{ display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:1.25rem; }
.stats div{ border-left:2px solid var(--accent-line); padding-left:1rem; }
.stats strong{ display:block; font-family:var(--font-display); font-size:clamp(1.7rem,2vw + 1rem,2.4rem); letter-spacing:-.03em; line-height:1.1; }
.stats span{ color:var(--muted); font-size:.92rem; }
@media (max-width:760px){ .stats{ grid-template-columns:repeat(2,minmax(0,1fr)); } }
.value{ display:grid; gap:.7rem; align-content:start; }
.value p{ color:var(--ink-2); font-size:.98rem; }
.commit{ display:grid; grid-template-columns:minmax(0,1fr) minmax(0,1.05fr); gap:clamp(1.5rem,5vw,4rem); align-items:center; }
@media (max-width:900px){ .commit{ grid-template-columns:1fr; } }
.timeline{ border-left:2px solid var(--line-strong); margin-left:.4rem; display:grid; gap:1.75rem; }
.timeline li{ position:relative; padding-left:1.75rem; display:grid; gap:.2rem; }
.timeline li::before{ content:""; position:absolute; left:-7px; top:.5rem; width:12px; height:12px; border-radius:50%; background:var(--bg); border:3px solid var(--accent); }
.timeline time{ font-family:var(--font-mono); font-size:.88rem; color:var(--accent-text); }
.timeline p{ color:var(--ink-2); max-width:56ch; }

/* forms */
.field{ display:grid; gap:.4rem; }
.field label{ font-weight:600; font-size:.93rem; }
.field label i{ color:var(--danger); font-style:normal; }
.input{ width:100%; background:var(--surface); border:1px solid var(--line-strong); border-radius:12px; padding:.78rem .95rem; transition:border-color .2s, box-shadow .2s; }
.input::placeholder{ color:var(--muted); opacity:.75; }
.input:hover{ border-color:var(--muted); }
.input:focus{ outline:none; border-color:var(--accent); box-shadow:0 0 0 4px var(--accent-soft); }
.input[aria-invalid="true"]{ border-color:var(--danger); box-shadow:0 0 0 4px var(--danger-soft); }
textarea.input{ resize:vertical; min-height:8.5rem; }
.field-error{ color:var(--danger); font-size:.87rem; display:flex; gap:.4rem; align-items:center; }
.field-hint{ font-size:.82rem; color:var(--muted); display:flex; justify-content:space-between; gap:1rem; }
.form-grid{ display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:1.1rem 1.1rem; }
.form-grid .full{ grid-column:1/-1; }
@media (max-width:640px){ .form-grid{ grid-template-columns:1fr; } }
.hp{ position:absolute!important; left:-9999px; }
.banner{ display:flex; gap:.75rem; align-items:flex-start; padding:.9rem 1rem; border-radius:12px; font-size:.95rem; }
.banner--error{ background:var(--danger-soft); color:var(--danger); border:1px solid var(--danger); }
.success{ display:grid; gap:1rem; justify-items:start; padding:clamp(.5rem,2vw,1.5rem) 0; }
.success .tile{ width:56px; height:56px; border-radius:16px; background:var(--ok-soft); color:var(--ok); }
.success code{ font-family:var(--font-mono); background:var(--surface-2); border:1px solid var(--line); padding:.1rem .45rem; border-radius:6px; font-size:.88rem; }
.contact-grid{ display:grid; grid-template-columns:minmax(0,1.35fr) minmax(0,1fr); gap:1.5rem; align-items:start; }
@media (max-width:960px){ .contact-grid{ grid-template-columns:1fr; } }
.info-list{ display:grid; gap:1.1rem; }
.info-list li{ display:flex; gap:.9rem; align-items:flex-start; }
.info-list strong{ display:block; line-height:1.3; }
.info-list a,.info-list span.v{ color:var(--ink-2); font-size:.97rem; }
.info-list a:hover{ color:var(--accent-text); }
.socials{ display:flex; flex-wrap:wrap; gap:.6rem; }
.social{ display:inline-flex; align-items:center; gap:.5rem; padding:.5rem .85rem; border-radius:12px; border:1px solid var(--line); background:var(--surface); color:var(--ink); font-weight:500; font-size:.92rem; transition:border-color .2s, transform .2s; }
.social:hover{ border-color:var(--accent); transform:translateY(-1px); color:var(--accent-text); }
.social-icon{ width:40px; height:40px; padding:0; justify-content:center; }
details.faq{ border-top:1px solid var(--line-strong); padding:1.1rem 0; }
details.faq:last-child{ border-bottom:1px solid var(--line-strong); }
details.faq summary{ list-style:none; cursor:pointer; font-family:var(--font-display); font-weight:600; font-size:1.12rem; display:flex; justify-content:space-between; gap:1rem; align-items:center; }
details.faq summary::-webkit-details-marker{ display:none; }
details.faq summary .ic{ transition:transform .25s var(--ease); color:var(--muted); }
details.faq[open] summary .ic{ transform:rotate(45deg); }
details.faq p{ color:var(--ink-2); margin-top:.7rem; max-width:64ch; }
.newsletter{ display:grid; grid-template-columns:minmax(0,1fr) minmax(0,1fr); gap:2rem; align-items:center; padding:clamp(1.5rem,4vw,2.5rem); }
@media (max-width:800px){ .newsletter{ grid-template-columns:1fr; } }
.inline-form{ display:flex; gap:.6rem; flex-wrap:wrap; }
.inline-form .input{ flex:1 1 220px; }

/* product detail */
.pd-head{ display:flex; gap:1.5rem; align-items:center; flex-wrap:wrap; }
.pd-layout{ display:grid; grid-template-columns:minmax(0,1.6fr) minmax(0,1fr); gap:1.5rem; align-items:start; }
.pd-side{ position:sticky; top:calc(96px + env(safe-area-inset-top,0px)); display:grid; gap:1rem; }
@media (max-width:900px){ .pd-layout{ grid-template-columns:1fr; } .pd-side{ position:static; } }
.feature-grid{ display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:1rem; }
@media (max-width:600px){ .feature-grid{ grid-template-columns:1fr; } }
.feature{ display:flex; gap:.8rem; align-items:flex-start; padding:1rem; border:1px solid var(--line); border-radius:14px; background:var(--surface-2); }
.feature .tile{ width:34px; height:34px; border-radius:10px; }
.pd-section{ display:grid; gap:1rem; }
.pd-section + .pd-section{ margin-top:2.25rem; }
.pd-section h2{ font-size:1.6rem; }

/* legal prose */
.prose{ max-width:72ch; display:grid; grid-template-columns:minmax(0,1fr); gap:1rem; }
.prose h2{ font-size:1.5rem; margin-top:1.5rem; }
.prose p,.prose li{ color:var(--ink-2); }
.prose ul{ list-style:disc; padding-left:1.25rem; display:grid; gap:.4rem; }
.notice{ padding:.85rem 1rem; border-radius:12px; background:var(--accent-soft); color:var(--ink); border:1px solid var(--accent-line); font-size:.94rem; }

/* footer */
.site-footer{ border-top:1px solid var(--line); background:var(--bg-alt); padding-block:clamp(2.5rem,6vw,4.5rem) 1.5rem; }
.foot-grid{ display:grid; grid-template-columns:minmax(0,1.6fr) repeat(4,minmax(0,1fr)); gap:2rem; }
.foot-brand{ display:grid; gap:1rem; align-content:start; }
.foot-brand p{ color:var(--muted); max-width:34ch; font-size:.97rem; }
.foot-col h2{ font-size:.98rem; font-family:var(--font-body); font-weight:600; letter-spacing:0; margin-bottom:.9rem; }
.foot-col ul{ display:grid; gap:.55rem; }
.foot-col a{ color:var(--muted); font-size:.95rem; transition:color .2s; }
.foot-col a:hover{ color:var(--accent-text); }
.foot-bottom{ margin-top:2.5rem; padding-top:1.25rem; border-top:1px solid var(--line); display:flex; justify-content:space-between; flex-wrap:wrap; gap:.75rem; color:var(--muted); font-size:.9rem; }
@media (max-width:980px){ .foot-grid{ grid-template-columns:repeat(3,minmax(0,1fr)); } .foot-brand{ grid-column:1/-1; } }
@media (max-width:560px){ .foot-grid{ grid-template-columns:repeat(2,minmax(0,1fr)); } }

/* toast */
.toast-region{ position:fixed; left:0; right:0; bottom:calc(1rem + env(safe-area-inset-bottom,0px)); display:grid; justify-items:center; gap:.5rem; z-index:90; pointer-events:none; padding-inline:1rem; }
.toast{ background:var(--ink); color:var(--bg); padding:.7rem 1.1rem; border-radius:12px; font-size:.93rem; box-shadow:var(--shadow-md); animation:pageIn .25s var(--ease) both; max-width:min(92vw,460px); display:flex; gap:.6rem; align-items:center; }

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{ animation-duration:.001ms!important; animation-delay:0s!important; animation-iteration-count:1!important; transition-duration:.001ms!important; scroll-behavior:auto!important; }
  .spark polyline{ stroke-dashoffset:0; }
}

/* ============================================================
   BLOG — category showcase + article cards
   ============================================================ */
@keyframes riseIn{ from{ opacity:0; transform:translateY(16px); } to{ opacity:1; transform:translateY(0); } }
@keyframes floatY{ 0%,100%{ transform:translateY(0); } 50%{ transform:translateY(-6px); } }
@keyframes shimmerMove{ 0%{ background-position:0% 50%; } 100%{ background-position:200% 50%; } }

.blog-hero-grid{ display:grid; grid-template-columns:1fr 1fr; align-items:stretch; gap:.9rem; }
.blog-hero-chip{ --g1:#4F46E5; --g2:#22D3EE; display:flex; flex-direction:column; justify-content:center; gap:.6rem; align-items:flex-start; padding:1.3rem 1.1rem; border-radius:var(--r-md); background:linear-gradient(155deg, color-mix(in srgb, var(--g1) 16%, var(--surface)), color-mix(in srgb, var(--g2) 10%, var(--surface))); border:1px solid var(--line); font-family:var(--font-display); font-weight:600; font-size:.98rem; color:var(--ink);
  opacity:0; animation:riseIn .6s var(--ease) forwards, floatY 4.5s ease-in-out 1s infinite; }
.blog-hero-chip svg{ width:22px; height:22px; color:var(--g1); }
.blog-hero-chip:nth-child(1){ animation-delay:.05s, 1.2s; }
.blog-hero-chip:nth-child(2){ animation-delay:.15s, 1.6s; }
@media (prefers-reduced-motion: reduce){ .blog-hero-chip{ animation:none; opacity:1; } }

.cat-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:1.1rem; align-items:stretch; }
@media (max-width:900px){ .cat-grid{ grid-template-columns:1fr 1fr; } }
@media (max-width:620px){ .cat-grid{ grid-template-columns:1fr; } }
.cat-tile{ --g1:#4F46E5; --g2:#22D3EE; position:relative; display:flex; flex-direction:column; gap:1rem; padding:1.6rem 1.5rem; border-radius:var(--r-lg); background:var(--surface); border:1px solid var(--line); overflow:hidden; color:var(--ink); height:100%; min-height:200px;
  transition:transform .3s var(--ease), border-color .3s, box-shadow .3s;
  opacity:0; animation:riseIn .55s var(--ease) forwards; }
.cat-grid a.cat-tile:nth-child(1){ animation-delay:.05s; } .cat-grid a.cat-tile:nth-child(2){ animation-delay:.11s; } .cat-grid a.cat-tile:nth-child(3){ animation-delay:.17s; }
.cat-grid a.cat-tile:nth-child(4){ animation-delay:.23s; } .cat-grid a.cat-tile:nth-child(5){ animation-delay:.29s; } .cat-grid a.cat-tile:nth-child(6){ animation-delay:.35s; }
.cat-tile::before{ content:""; position:absolute; inset:0; background:linear-gradient(155deg, color-mix(in srgb, var(--g1) 14%, transparent), color-mix(in srgb, var(--g2) 8%, transparent) 60%, transparent); opacity:.9; pointer-events:none; }
.cat-tile::after{ content:""; position:absolute; right:-30%; top:-30%; width:65%; height:65%; border-radius:50%; background:radial-gradient(circle, color-mix(in srgb, var(--g2) 35%, transparent), transparent 70%); pointer-events:none; transition:transform .4s var(--ease); }
.cat-tile:hover{ transform:translateY(-6px) scale(1.015); border-color:var(--accent-line); box-shadow:var(--shadow-md); }
.cat-tile:hover::after{ transform:scale(1.3) rotate(15deg); }
.cat-tile-icon{ position:relative; width:52px; height:52px; border-radius:16px; display:inline-grid; place-items:center; background:linear-gradient(135deg, var(--g1), var(--g2)); color:#fff; flex:none; box-shadow:0 10px 24px -10px color-mix(in srgb, var(--g1) 60%, transparent); transition:transform .35s var(--ease); }
.cat-tile-icon svg{ width:24px; height:24px; }
.cat-tile:hover .cat-tile-icon{ transform:rotate(-8deg) scale(1.08); }
.cat-tile-body{ position:relative; display:flex; flex-direction:column; gap:.4rem; flex:1; }
.cat-tile-body strong{ font-family:var(--font-display); font-size:1.18rem; }
.cat-tile-body span{ color:var(--ink-2); font-size:.92rem; line-height:1.5; display:-webkit-box; -webkit-line-clamp:3; -webkit-box-orient:vertical; overflow:hidden; }
.cat-tile-count{ position:relative; margin-top:auto; display:inline-flex; align-items:center; gap:.4rem; font-size:.86rem; font-weight:600; color:var(--g1); }
.cat-tile-count svg{ width:15px; height:15px; transition:transform .25s var(--ease); }
.cat-tile:hover .cat-tile-count svg{ transform:translateX(3px); }

.post-card{ display:flex; flex-direction:column; gap:.85rem; height:100%;
  opacity:0; animation:riseIn .55s var(--ease) forwards; }
#b-grid .grid.grid-3 > .post-card:nth-child(1),#featured-title ~ .post-card:nth-child(1){ animation-delay:.05s; }
#b-grid .grid.grid-3 > .post-card:nth-child(2){ animation-delay:.11s; } #b-grid .grid.grid-3 > .post-card:nth-child(3){ animation-delay:.17s; }
#b-grid .grid.grid-3 > .post-card:nth-child(4){ animation-delay:.23s; } #b-grid .grid.grid-3 > .post-card:nth-child(5){ animation-delay:.29s; } #b-grid .grid.grid-3 > .post-card:nth-child(6){ animation-delay:.35s; }
#b-grid .grid.grid-3 > .post-card:nth-child(7){ animation-delay:.41s; } #b-grid .grid.grid-3 > .post-card:nth-child(8){ animation-delay:.47s; } #b-grid .grid.grid-3 > .post-card:nth-child(9){ animation-delay:.53s; }
@media (prefers-reduced-motion: reduce){ .cat-tile, .post-card{ animation:none; opacity:1; } }
.post-cat{ --g1:#4F46E5; --g2:#22D3EE; align-self:flex-start; display:inline-flex; align-items:center; gap:.4rem; padding:.32rem .75rem .32rem .55rem; border-radius:999px; font-size:.78rem; font-weight:700; letter-spacing:.02em; text-transform:uppercase; color:#fff; background:linear-gradient(135deg, var(--g1), var(--g2)); position:relative; z-index:1; }
.post-cat svg{ width:13px; height:13px; }
.post-card h3{ font-size:1.15rem; min-height:2.6em; }
.post-card p{ color:var(--ink-2); font-size:.96rem; flex:1; display:-webkit-box; -webkit-line-clamp:3; -webkit-box-orient:vertical; overflow:hidden; }
.post-card .res-foot{ margin-top:auto; }
.post-card--lg{ display:grid; grid-template-columns:1.1fr 1fr; gap:2rem; align-items:stretch; padding:2rem; margin-top:1.5rem; }
.post-card--lg h3{ font-size:1.7rem; line-height:1.25; min-height:0; }
.post-card--lg p{ -webkit-line-clamp:4; }
.post-card--lg .post-card-info{ display:flex; flex-direction:column; gap:.85rem; grid-column:1; grid-row:1; min-width:0; }
.post-card-visual{ grid-column:2; grid-row:1/-1; order:2; border-radius:var(--r-md); overflow:hidden; min-height:220px; }
.post-card-visual svg{ display:block; width:100%; height:100%; border-radius:var(--r-md); }
@media (max-width:760px){ .post-card--lg{ grid-template-columns:1fr; } .post-card-visual{ display:none; } }

/* ============================================================
   ARTICLE PAGES
   ============================================================ */
.breadcrumbs{ display:flex; align-items:center; gap:.5rem; font-size:.85rem; color:var(--muted); margin-bottom:1.5rem; flex-wrap:wrap; }
.breadcrumbs a{ color:var(--muted); }
.breadcrumbs a:hover{ color:var(--ink); }
.breadcrumbs span{ opacity:.6; }
.article-head{ display:grid; gap:.9rem; margin-bottom:2rem; }
.article-head h1{ font-size:clamp(1.9rem,2.4vw + 1rem,2.8rem); line-height:1.2; }
.article-head .lead{ font-size:1.15rem; }
.article-meta{ display:flex; align-items:center; gap:.7rem; margin-top:.4rem; }
.article-meta > span:last-child{ display:flex; flex-direction:column; gap:.1rem; }
.article-hero-art{ width:100%; height:auto; max-height:340px; border-radius:var(--r-lg); margin-bottom:2.25rem; display:block; }
.article-hero-art .orbit-ring{ transform-box:fill-box; transform-origin:50% 50%; animation:spinSlow 60s linear infinite; }
.article-hero-art .orbit-ring--rev{ animation-direction:reverse; animation-duration:44s; }
@keyframes spinSlow{ to{ transform:rotate(360deg); } }
@media (prefers-reduced-motion: reduce){ .article-hero-art .orbit-ring{ animation:none; } }
.article-dek{ font-size:1.1rem; color:var(--ink); font-weight:500; border-left:3px solid var(--accent-line); padding-left:1rem; }
.article-body h2{ font-family:var(--font-display); }
.article-body p{ font-size:1.02rem; line-height:1.75; }
.takeaways-box{ margin:2.25rem 0 1.5rem; padding:1.5rem 1.6rem; border-radius:var(--r-lg); background:var(--accent-soft); border:1px solid var(--accent-line); }
.takeaways-box h2{ display:flex; align-items:center; gap:.5rem; font-size:1.1rem; margin:0 0 .8rem; color:var(--accent-text); }
.takeaways-box h2 svg{ width:20px; height:20px; }
.takeaways-box ul{ list-style:none; padding:0; display:grid; gap:.55rem; margin:0; }
.takeaways-box li{ padding-left:1.6rem; position:relative; color:var(--ink); }
.takeaways-box li::before{ content:"✓"; position:absolute; left:0; color:var(--accent-text); font-weight:700; }
.article-tags{ display:flex; gap:.5rem; flex-wrap:wrap; margin-top:1.75rem; }

/* ---------- tutorial page: reading-rail TOC ---------- */
.tutorial-layout{ display:grid; grid-template-columns:220px minmax(0,1fr); gap:clamp(2rem,4vw,4rem); align-items:start; }
.tutorial-content{ min-width:0; }
.tutorial-toc{ position:sticky; top:calc(104px + env(safe-area-inset-top,0px)); display:grid; gap:.85rem; }
.toc-top{ display:flex; align-items:baseline; justify-content:space-between; gap:.5rem; }
.toc-top-label{ font-size:.95rem; font-weight:600; color:var(--ink); }
.toc-top-pct{ font-size:.8rem; color:var(--muted); font-variant-numeric:tabular-nums; }
.toc-toggle{ display:none; width:100%; background:none; border:0; padding:0; font-size:.95rem; font-weight:600; color:var(--ink); align-items:center; justify-content:space-between; gap:.4rem; }
.toc-toggle svg{ width:16px; height:16px; color:var(--muted); transition:transform .2s; }
.toc-toggle[aria-expanded="true"] svg{ transform:rotate(180deg); }
.toc-rail-wrap{ position:relative; padding-left:1rem; }
.toc-rail-wrap::before{ content:""; position:absolute; left:0; top:.3rem; bottom:.3rem; width:2px; background:var(--line); border-radius:2px; }
.toc-rail-fill{ position:absolute; left:0; top:.3rem; width:2px; height:0%; background:var(--accent); border-radius:2px; }
.toc-rail{ list-style:none; margin:0; padding:0; display:grid; }
.toc-item{ display:block; width:100%; text-align:left; background:none; border:0; padding:.45rem 0; color:var(--muted); font-size:.92rem; line-height:1.35; cursor:pointer; transition:color .15s; }
.toc-item:hover{ color:var(--ink); }
.toc-item.on{ color:var(--accent-text); font-weight:600; }
.chapter{ scroll-margin-top:calc(120px + env(safe-area-inset-top,0px)); }
@media (max-width:900px){
  .tutorial-layout{ grid-template-columns:minmax(0,1fr); }
  .tutorial-toc{ position:sticky; top:env(safe-area-inset-top,0px); z-index:40; background:var(--bg); background:color-mix(in srgb,var(--bg) 92%,transparent); -webkit-backdrop-filter:saturate(1.5) blur(14px); backdrop-filter:saturate(1.5) blur(14px); margin:0 calc(var(--pad) * -1) 1.5rem; padding:.85rem var(--pad); border-bottom:1px solid var(--line); gap:.6rem; }
  .toc-top-label, .toc-top-pct{ display:none; }
  .toc-toggle{ display:flex; }
  .toc-rail-wrap{ display:none; max-height:55vh; overflow-y:auto; padding-top:.85rem; }
  .toc-rail-wrap.open{ display:block; }
}

/* ============================================================
   BLOG — pillar dashboard (the 4 entry points) + topic cards
   ============================================================ */
.pillar-grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:1.25rem; }
@media (max-width:700px){ .pillar-grid{ grid-template-columns:1fr; } }
.pillar-card{ --g1:#4F46E5; --g2:#22D3EE; position:relative; display:flex; flex-direction:column; gap:1rem; padding:2.4rem 2.2rem; border-radius:var(--r-lg); color:var(--ink); background:var(--surface); border:1px solid var(--line); overflow:hidden; height:100%; min-height:270px;
  transition:transform .3s var(--ease), border-color .3s, box-shadow .3s; opacity:0; animation:riseIn .55s var(--ease) forwards; }
.pillar-grid a.pillar-card:nth-child(1){ animation-delay:.04s; } .pillar-grid a.pillar-card:nth-child(2){ animation-delay:.1s; }
.pillar-grid a.pillar-card:nth-child(3){ animation-delay:.16s; } .pillar-grid a.pillar-card:nth-child(4){ animation-delay:.22s; }
@media (prefers-reduced-motion: reduce){ .pillar-card{ animation:none; opacity:1; } }
.pillar-card::before{ content:""; position:absolute; inset:0 0 auto 0; height:4px; background:linear-gradient(90deg, var(--g1), var(--g2)); }
.pillar-card::after{ content:""; position:absolute; right:-35%; top:-35%; width:75%; height:75%; border-radius:50%; background:radial-gradient(circle, color-mix(in srgb, var(--g2) 16%, transparent), transparent 70%); pointer-events:none; transition:transform .4s var(--ease); }
.pillar-card:hover{ transform:translateY(-6px); border-color:var(--accent-line); box-shadow:var(--shadow-md); }
.pillar-card:hover::after{ transform:scale(1.35) rotate(18deg); }
.pillar-card:hover .pillar-card-icon{ transform:rotate(-6deg) scale(1.06); }
.pillar-card-icon{ position:relative; width:58px; height:58px; border-radius:16px; display:inline-grid; place-items:center; background:linear-gradient(135deg, var(--g1), var(--g2)); color:#fff; flex:none; box-shadow:0 10px 22px -10px color-mix(in srgb, var(--g1) 55%, transparent); transition:transform .35s var(--ease); }
.pillar-card-icon svg{ width:27px; height:27px; }
.pillar-card strong{ position:relative; font-family:var(--font-display); font-size:1.5rem; }
.pillar-card-desc{ position:relative; font-size:1rem; line-height:1.6; color:var(--ink-2); flex:1; max-width:42ch; }
.pillar-card-meta{ position:relative; font-size:.82rem; font-weight:700; color:color-mix(in srgb, var(--g1) 75%, var(--ink)); display:flex; align-items:center; gap:.35rem; }
.pillar-card-cta{ position:relative; display:inline-flex; align-items:center; gap:.35rem; font-size:.88rem; font-weight:700; color:var(--ink); margin-top:.2rem; }
.pillar-card-cta svg{ width:15px; height:15px; transition:transform .25s var(--ease); }
.pillar-card:hover .pillar-card-cta svg{ transform:translateX(3px); }

.cat-group{ margin-bottom:2.25rem; }
.cat-group:last-child{ margin-bottom:0; }
.cat-group-head{ display:flex; align-items:center; gap:.7rem; margin-bottom:1.1rem; flex-wrap:wrap; }
.cat-group-icon{ --g1:#4F46E5; --g2:#22D3EE; width:34px; height:34px; border-radius:10px; display:inline-grid; place-items:center; background:linear-gradient(135deg, var(--g1), var(--g2)); color:#fff; flex:none; }
.cat-group-icon svg{ width:17px; height:17px; }
.cat-group-head h3{ font-family:var(--font-display); font-size:1.2rem; margin:0; }

/* ============================================================
   TUTORIAL EXTRAS — diagrams, callouts, step headings, tables, code tabs
   (used by the long-form step-by-step tutorials)
   ============================================================ */
.article-body.rich{ max-width:min(100%,780px); }
.article-body.rich > .chapter{ display:grid; grid-template-columns:minmax(0,1fr); gap:1.05rem; margin-bottom:2.4rem; }
.article-body.rich h2{ margin-top:.5rem; }
.article-body.rich h3{ font-size:1.18rem; margin-top:.8rem; }
.article-body.rich a{ color:var(--accent-text); text-decoration:underline; text-underline-offset:3px; }
.article-body.rich p code, .article-body.rich li code, .article-body.rich td code, .article-body.rich h3 code, .article-body.rich .callout code{
  font-family:var(--font-mono); font-size:.86em; background:var(--accent-soft); color:var(--accent-text); padding:.1em .4em; border-radius:6px; overflow-wrap:anywhere; }
.article-body.rich kbd{ font-family:var(--font-mono); font-size:.82em; padding:.1em .45em; border:1px solid var(--line-strong); border-bottom-width:2px; border-radius:6px; background:var(--surface); color:var(--ink); }
.article-body.rich ul{ list-style:disc; padding-left:1.25rem; display:grid; gap:.5rem; margin:0; }
.article-body.rich li{ color:var(--ink-2); line-height:1.7; }

.step-h{ display:flex; align-items:center; gap:.8rem; }
.step-num{ flex:none; width:2.15rem; height:2.15rem; border-radius:50%; display:inline-grid; place-items:center; background:var(--btn-bg); color:var(--btn-ink); font-family:var(--font-mono); font-size:1rem; font-weight:600; letter-spacing:0; }

.how-list{ counter-reset:how; list-style:none; margin:0; padding:0; display:grid; gap:.8rem; }
.how-list li{ counter-increment:how; position:relative; padding-left:2.5rem; }
.how-list li::before{ content:counter(how); position:absolute; left:0; top:.1rem; width:1.7rem; height:1.7rem; border-radius:50%; background:var(--accent-soft); color:var(--accent-text); font-family:var(--font-mono); font-size:.8rem; display:grid; place-items:center; }

.codeblock{ display:grid; min-width:0; }
.codeblock .file-tab{ justify-self:start; max-width:100%; background:var(--code-line); color:var(--code-muted); font-family:var(--font-mono); font-size:.74rem; line-height:1; padding:.5rem .95rem; border-radius:12px 12px 0 0; }
.codeblock .file-tab + .code{ border-top-left-radius:0; }
.article-body.rich .code{ font-size:.82rem; }

.callout{ display:grid; gap:.4rem; padding:1rem 1.2rem; border-radius:var(--r-md); border:1px solid var(--accent-line); border-left-width:4px; background:var(--accent-soft); }
.callout-title{ display:flex; align-items:center; gap:.5rem; font-family:var(--font-display); color:var(--accent-text); font-size:1rem; }
.callout-title svg{ width:18px; height:18px; flex:none; }
.callout > div{ font-size:.98rem; line-height:1.65; color:var(--ink-2); }
.callout--note{ background:var(--cyan-soft); border-color:var(--cyan); } .callout--note .callout-title{ color:var(--cyan-text); }
.callout--ok{ background:var(--ok-soft); border-color:var(--ok); } .callout--ok .callout-title{ color:var(--ok); }
.callout--warn{ background:rgba(245,158,11,.13); border-color:rgba(217,119,6,.65); } .callout--warn .callout-title{ color:#B45309; }
:root[data-theme="dark"] .callout--warn .callout-title{ color:#FBBF24; }
@media (prefers-color-scheme: dark){ :root:not([data-theme="light"]) .callout--warn .callout-title{ color:#FBBF24; } }

.table-wrap{ overflow-x:auto; border:1px solid var(--line); border-radius:var(--r-md); background:var(--surface); }
.tbl{ width:100%; border-collapse:collapse; font-size:.93rem; }
.tbl th,.tbl td{ padding:.65rem .85rem; text-align:left; vertical-align:top; border-bottom:1px solid var(--line); color:var(--ink-2); line-height:1.55; }
.tbl th{ background:var(--surface-2); color:var(--ink); font-weight:600; white-space:nowrap; }
.tbl tr:last-child td{ border-bottom:0; }

.diagram{ margin:.5rem 0; padding:1rem; background:var(--surface); border:1px solid var(--line); border-radius:var(--r-lg); box-shadow:var(--shadow-sm); }
.diagram-scroll{ overflow-x:auto; -webkit-overflow-scrolling:touch; }
.diagram svg.dg{ display:block; width:100%; min-width:560px; height:auto; }
.diagram figcaption{ margin-top:.8rem; font-size:.9rem; line-height:1.5; color:var(--muted); text-align:center; }
.dg text{ font-family:var(--font-body); }
.dg .dg-t{ fill:var(--ink); font-size:15px; }
.dg .dg-h{ fill:var(--ink); font-size:16px; font-weight:700; font-family:var(--font-display); }
.dg .dg-h2{ fill:var(--ink); font-size:16px; font-weight:600; }
.dg .dg-m{ fill:var(--muted); font-size:14px; }
.dg .dg-mono{ font-family:var(--font-mono); font-size:14px; white-space:pre; }
.dg .dg-code-t{ fill:var(--code-ink); }
.dg .dg-ok-t{ fill:var(--ok); font-weight:700; font-size:15px; }
.dg .dg-bad-t{ fill:var(--danger); font-size:14px; }
.dg .dg-badge-t{ fill:var(--btn-ink); font-size:13px; font-weight:700; }
.dg-box{ fill:var(--surface-2); stroke:var(--line-strong); stroke-width:1.5; }
.dg-accent{ fill:var(--accent-soft); stroke:var(--accent-line); stroke-width:1.5; }
.dg-ok{ fill:var(--ok-soft); stroke:var(--ok); stroke-width:1.5; }
.dg-bad{ fill:var(--danger-soft); stroke:var(--danger); stroke-width:1.5; }
.dg-warn{ fill:rgba(245,158,11,.16); stroke:rgba(217,119,6,.75); stroke-width:1.5; }
.dg-code{ fill:var(--code-bg); stroke:var(--code-line); stroke-width:1.5; }
.dg-badge{ fill:var(--accent); }
.dg-arrow{ stroke:var(--accent); stroke-width:2; fill:none; }
.dg-mk{ fill:var(--accent); }
.dg-dash{ stroke:var(--line-strong); stroke-width:1.5; stroke-dasharray:4 4; fill:none; }
.dg-b1{ fill:rgba(99,102,241,.30); } .dg-b2{ fill:rgba(34,211,238,.28); } .dg-b3{ fill:rgba(34,197,94,.28); } .dg-b4{ fill:rgba(245,158,11,.32); }
.dg-d1{ fill:#6366F1; } .dg-d2{ fill:#22D3EE; } .dg-d3{ fill:#22C55E; } .dg-d4{ fill:#F59E0B; }

.dg .dg-c1{ fill:#FFB86B; } .dg .dg-c2{ fill:#C4A7FF; } .dg .dg-c3{ fill:#7DD3FC; } .dg .dg-c4{ fill:#7EE6C4; }
.dg-pass{ fill:var(--ok-soft); stroke:var(--ok); stroke-width:1.5; } .dg-fail{ fill:var(--danger-soft); stroke:var(--danger); stroke-width:1.5; stroke-dasharray:5 4; }
.dg .dg-fail-t{ fill:var(--danger); font-size:14px; font-weight:600; }
.dg-cut{ stroke:var(--danger); stroke-width:2.5; stroke-dasharray:6 4; fill:none; }
.article-body.rich details{ border:1px solid var(--line); border-radius:var(--r-md); padding:.65rem 1rem; background:var(--surface); }
.article-body.rich summary{ cursor:pointer; font-weight:600; color:var(--accent-text); }
.article-body.rich details[open] summary{ margin-bottom:.6rem; }