/* OCTASKY blog — same tokens and glass style as the main site */
:root {
  --bg: #05060f; --bg-2: #0a0d1f; --text: #f2f4ff; --muted: #aab2d0; --faint: #7681a8;
  --violet: #8b6cff; --cyan: #2ad4f0;
  --grad: linear-gradient(120deg, #8b6cff 0%, #2ad4f0 100%);
  --grad-text: linear-gradient(120deg, var(--violet) 0%, var(--cyan) 100%);
  --glass: rgba(255, 255, 255, .055); --glass-2: rgba(255, 255, 255, .095);
  --glass-border: rgba(255, 255, 255, .13); --glass-hi: rgba(255, 255, 255, .22);
  --shadow: 0 24px 60px -24px rgba(0, 0, 0, .65);
  --line: rgba(255, 255, 255, .12); --code-bg: rgba(255, 255, 255, .07);
  --blob-o: .5; --radius: 22px; --maxw: 1200px;
  --font-d: "Sora", system-ui, sans-serif; --font-b: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  color-scheme: dark;
}
:root[data-theme="light"] {
  --bg: #eef1fb; --bg-2: #e6eaf8; --text: #0d1230; --muted: #4c5577; --faint: #6f7898;
  --violet: #6a48f5; --cyan: #0891b2;
  --glass: rgba(255, 255, 255, .6); --glass-2: rgba(255, 255, 255, .8);
  --glass-border: rgba(255, 255, 255, .95); --glass-hi: #fff;
  --shadow: 0 24px 60px -28px rgba(40, 50, 120, .3), 0 0 0 1px rgba(16, 21, 58, .05);
  --line: rgba(16, 21, 58, .12); --code-bg: rgba(16, 21, 58, .06);
  --blob-o: .38;
  color-scheme: light;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 100px; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: var(--font-b); font-size: 16px; line-height: 1.7; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
main { overflow-x: clip; padding-bottom: 40px; }
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
h1, h2, h3, h4 { font-family: var(--font-d); letter-spacing: -0.025em; line-height: 1.15; margin: 0; }
::view-transition-old(root), ::view-transition-new(root) { animation: none; mix-blend-mode: normal; }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; border-radius: 8px; }
.g { background: var(--grad-text); -webkit-background-clip: text; background-clip: text; color: transparent; }
.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.wrap-narrow { width: 100%; max-width: 860px; margin: 0 auto; padding: 0 24px; }

/* background */
.bg { position: fixed; inset: 0; min-height: 100lvh; z-index: -1; overflow: hidden; pointer-events: none; }
.bg i { position: absolute; border-radius: 50%; filter: blur(100px); opacity: var(--blob-o); animation: drift 26s ease-in-out infinite alternate; }
.bg .b1 { width: 46vw; height: 46vw; background: #6b46ff; top: -16vw; right: -12vw; }
.bg .b2 { width: 40vw; height: 40vw; background: #12b8d8; bottom: -18vw; left: -14vw; opacity: calc(var(--blob-o) * .7); animation-duration: 30s; animation-direction: alternate-reverse; }
.bg .b3 { width: 26vw; height: 26vw; background: #ff4fa3; top: 45%; left: 40%; opacity: calc(var(--blob-o) * .35); animation-duration: 34s; }
@keyframes drift { to { translate: -8vw 10vh; scale: 1.12; } }
.grid-bg { position: absolute; inset: 0; background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px); background-size: 64px 64px; opacity: .35; -webkit-mask-image: radial-gradient(70% 50% at 50% 10%, #000, transparent 75%); mask-image: radial-gradient(70% 50% at 50% 10%, #000, transparent 75%); }
.progress { position: fixed; top: 0; left: 0; right: 0; height: 3px; z-index: 80; background: var(--grad); transform-origin: 0 50%; transform: scaleX(0); }

.glass { background: var(--glass); -webkit-backdrop-filter: blur(18px) saturate(160%); backdrop-filter: blur(18px) saturate(160%); border: 1px solid var(--glass-border); border-radius: var(--radius); box-shadow: var(--shadow), inset 0 1px 0 var(--glass-hi); }

/* buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; padding: 14px 24px; border-radius: 999px; font-weight: 600; font-size: 15px; line-height: 1; border: 1px solid transparent; cursor: pointer; white-space: nowrap; transition: transform .25s ease, box-shadow .3s ease; }
.btn svg { width: 18px; height: 18px; }
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--grad); color: #060914; box-shadow: 0 12px 30px -12px rgba(42, 212, 240, .6), inset 0 1px 0 rgba(255, 255, 255, .5); }

/* header */
.top { position: fixed; top: calc(14px + env(safe-area-inset-top)); left: 0; right: 0; z-index: 60; pointer-events: none; }
.nav { pointer-events: auto; width: calc(100% - 32px); max-width: var(--maxw); margin: 0 auto; height: 64px; display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 0 10px 0 20px; border-radius: 999px; transition: transform .55s cubic-bezier(.2, .8, .2, 1); }
.top.hide .nav { transform: translateY(-150%); }
.brand { display: flex; align-items: center; gap: 11px; }
.brand .mk { width: 32px; height: 32px; transition: transform .8s cubic-bezier(.2, .8, .2, 1); }
.brand:hover .mk { transform: rotate(90deg); }
.brand .wm { height: 17px; width: calc(17px * 5135 / 734); color: var(--text); }
.links { display: flex; align-items: center; gap: 2px; }
.links a:not(.btn) { padding: 9px 14px; border-radius: 999px; color: var(--muted); font-size: 14.5px; font-weight: 500; transition: color .2s, background .2s; }
.links a:not(.btn):hover, .links a.on { color: var(--text); background: var(--glass-2); }
.links .btn { padding: 12px 20px; font-size: 14px; margin-left: 8px; }
.tools { display: flex; align-items: center; gap: 8px; }
.icon-btn { width: 42px; height: 42px; border-radius: 50%; cursor: pointer; display: inline-flex; align-items: center; justify-content: center; color: var(--text); background: var(--glass-2); border: 1px solid var(--glass-border); transition: transform .3s ease; }
.icon-btn:hover { transform: rotate(-15deg); }
.icon-btn svg { width: 19px; height: 19px; }
.theme-btn .i-moon { display: none; }
[data-theme="light"] .theme-btn .i-sun { display: none; }
[data-theme="light"] .theme-btn .i-moon { display: block; }
.menu-btn { display: none; }
.mobile-menu { pointer-events: auto; position: absolute; top: 78px; left: 16px; right: 16px; display: flex; flex-direction: column; gap: 4px; padding: 12px; border-radius: 22px; opacity: 0; visibility: hidden; transform: translateY(-8px); transition: opacity .25s, transform .25s, visibility .25s; }
.mobile-menu.open { opacity: 1; visibility: visible; transform: none; }
.mobile-menu a:not(.btn) { padding: 13px 16px; border-radius: 14px; font-weight: 500; }
.mobile-menu .btn { margin-top: 6px; }
@media (min-width: 901px) { .mobile-menu { display: none; } }
@media (max-width: 900px) { .links { display: none; } .menu-btn { display: inline-flex; } }

/* list page */
.blog-head { padding-top: 150px; padding-bottom: 36px; text-align: center; }
.kicker { display: inline-flex; align-items: center; gap: 12px; font-size: 13px; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; color: var(--cyan); }
.kicker::before, .kicker::after { content: ""; width: 24px; height: 2px; background: var(--grad); border-radius: 2px; }
.blog-head h1 { font-size: clamp(36px, 5.6vw, 64px); font-weight: 800; letter-spacing: -0.035em; margin: 18px auto 18px; max-width: 900px; }
.blog-head .lead { color: var(--muted); font-size: 18px; max-width: 680px; margin: 0 auto; }
.chips { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-top: 30px; }
.chip { padding: 9px 16px; border-radius: 999px; border: 1px solid var(--glass-border); background: var(--glass); color: var(--muted); font-size: 14px; font-weight: 600; transition: background .2s, color .2s; }
.chip:hover { color: var(--text); background: var(--glass-2); }
.chip.on { background: var(--grad); color: #060914; border-color: transparent; }

.post-card { display: flex; flex-direction: column; overflow: hidden; padding: 0; transition: transform .35s ease, border-color .35s ease; }
.post-card:hover { transform: translateY(-6px); border-color: rgba(139, 108, 255, .5); }
.pc-media { display: block; aspect-ratio: 16 / 9; overflow: hidden; background: var(--bg-2); }
.pc-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s cubic-bezier(.2, .8, .2, 1); }
.post-card:hover .pc-media img { transform: scale(1.04); }
.pc-body { padding: 22px 24px 24px; display: flex; flex-direction: column; flex: 1; }
.pc-meta { display: flex; flex-wrap: wrap; gap: 6px 14px; align-items: center; font-size: 13px; color: var(--faint); }
.pc-meta .cat { color: var(--violet); font-weight: 700; text-transform: uppercase; letter-spacing: .08em; font-size: 12px; }
:root:not([data-theme="light"]) .pc-meta .cat { color: #b4a2ff; }
.pc-title { font-size: 20px; font-weight: 700; margin: 10px 0 8px; }
.pc-title a:hover { color: var(--cyan); }
.pc-excerpt { color: var(--muted); font-size: 15px; margin: 0 0 16px; }
.pc-more { margin-top: auto; display: inline-flex; align-items: center; gap: 8px; font-weight: 600; font-size: 14.5px; color: var(--text); }
.pc-more svg { width: 16px; height: 16px; transition: transform .25s ease; }
.post-card:hover .pc-more svg { transform: translateX(4px); }
.post-card.featured { display: grid; grid-template-columns: 1.15fr 1fr; margin-bottom: 26px; }
.post-card.featured .pc-media { aspect-ratio: auto; min-height: 340px; }
.post-card.featured .pc-body { padding: 36px; justify-content: center; }
.post-card.featured .pc-title { font-size: clamp(24px, 2.6vw, 34px); font-weight: 800; }
.post-card.featured .pc-excerpt { font-size: 16.5px; }
.post-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.empty { padding: 30px; text-align: center; color: var(--muted); }
.pager { display: flex; justify-content: center; gap: 8px; margin-top: 34px; }
.pager a { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 12px; border: 1px solid var(--glass-border); background: var(--glass); font-weight: 600; }
.pager a.on { background: var(--grad); color: #060914; border-color: transparent; }

/* post page */
.post-head { padding-top: 140px; padding-bottom: 28px; }
.crumbs { display: flex; flex-wrap: wrap; gap: 8px; font-size: 13.5px; color: var(--faint); margin-bottom: 18px; }
.crumbs a:hover { color: var(--text); }
.post-head h1 { font-size: clamp(32px, 4.6vw, 54px); font-weight: 800; letter-spacing: -0.035em; }
.post-head .lead { color: var(--muted); font-size: 19px; margin: 18px 0 0; }
.post-meta { display: flex; flex-wrap: wrap; gap: 8px 18px; align-items: center; margin-top: 22px; font-size: 14px; color: var(--faint); }
.post-meta .by { display: inline-flex; align-items: center; gap: 8px; color: var(--text); font-weight: 600; }
.post-meta .by svg { width: 22px; height: 22px; }
.post-cover { margin: 8px auto 34px; }
.post-cover img { width: 100%; border-radius: 24px; aspect-ratio: 16 / 9; object-fit: cover; box-shadow: var(--shadow); }
.post-layout { display: grid; grid-template-columns: 260px minmax(0, 1fr); gap: 28px; align-items: start; }
.toc { position: sticky; top: 100px; padding: 20px 16px; font-size: 14px; }
.toc h2 { font-family: var(--font-b); font-size: 12px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--faint); margin: 0 8px 10px; }
.toc ol { list-style: none; margin: 0 0 16px; padding: 0; }
.toc ol a { display: block; padding: 7px 10px; border-radius: 10px; color: var(--muted); line-height: 1.4; border-left: 2px solid transparent; }
.toc ol a:hover, .toc ol a.active { background: var(--glass-2); color: var(--text); }
.toc ol a.active { border-left-color: var(--cyan); }
.share { display: flex; flex-wrap: wrap; gap: 6px; padding: 14px 8px 0; border-top: 1px solid var(--line); align-items: center; }
.share span { width: 100%; font-size: 12px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--faint); margin-bottom: 4px; }
.share a, .share button { font: inherit; font-size: 13px; font-weight: 600; padding: 7px 11px; border-radius: 999px; border: 1px solid var(--glass-border); background: var(--glass-2); color: var(--text); cursor: pointer; }
.prose { padding: 40px 46px; font-size: 17px; line-height: 1.8; min-width: 0; }
.prose > :first-child { margin-top: 0; }
.prose h2 { font-size: 28px; font-weight: 800; margin: 46px 0 14px; }
.prose h3 { font-size: 21px; font-weight: 700; margin: 32px 0 10px; }
.prose h4 { font-size: 18px; font-weight: 700; margin: 26px 0 8px; }
.prose p { margin: 0 0 18px; color: var(--text); opacity: .92; }
.prose a:not(.btn) { color: var(--cyan); font-weight: 500; text-decoration: underline; text-underline-offset: 3px; text-decoration-color: color-mix(in srgb, var(--cyan) 40%, transparent); }
.prose ul, .prose ol { margin: 0 0 20px; padding-left: 24px; }
.prose li { margin: 6px 0; }
.prose li::marker { color: var(--violet); font-weight: 700; }
.prose strong { color: var(--text); font-weight: 700; }
.prose blockquote { margin: 26px 0; padding: 18px 22px; border-left: 4px solid; border-image: var(--grad) 1; background: var(--glass-2); border-radius: 0 14px 14px 0; font-size: 18px; }
.prose blockquote p { margin: 0; }
.prose code { font-family: ui-monospace, "JetBrains Mono", Consolas, monospace; font-size: .88em; background: var(--code-bg); padding: 2px 7px; border-radius: 6px; }
.prose pre { background: var(--code-bg); border: 1px solid var(--line); border-radius: 14px; padding: 18px; overflow-x: auto; margin: 0 0 20px; }
.prose pre code { background: none; padding: 0; }
.prose hr { border: 0; border-top: 1px solid var(--line); margin: 34px 0; }
.prose figure { margin: 26px 0; }
.prose figure img, .prose p img { border-radius: 16px; }
.prose figcaption { font-size: 13.5px; color: var(--faint); text-align: center; margin-top: 8px; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 30px; }
.tags span { font-size: 13px; font-weight: 600; color: var(--muted); padding: 6px 12px; border-radius: 999px; background: var(--glass-2); border: 1px solid var(--glass-border); }
.cta { margin-top: 40px; padding: 30px; border-radius: 20px; background: radial-gradient(120% 140% at 0% 0%, rgba(139, 108, 255, .28), transparent 55%), radial-gradient(120% 140% at 100% 100%, rgba(42, 212, 240, .2), transparent 55%), var(--glass-2); border: 1px solid var(--glass-border); }
.cta h2 { font-size: 24px; margin: 0 0 8px; }
.cta p { color: var(--muted); margin: 0 0 18px; }
.related { margin-top: 70px; }
.related > h2 { font-size: 30px; font-weight: 800; margin-bottom: 24px; }

/* footer + whatsapp */
.foot { margin-top: 60px; border-top: 1px solid var(--line); background: var(--glass); -webkit-backdrop-filter: blur(20px); backdrop-filter: blur(20px); padding: 34px 0 calc(34px + env(safe-area-inset-bottom)); }
.foot-in { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 18px; }
.foot-links { display: flex; flex-wrap: wrap; gap: 20px; color: var(--muted); font-size: 14.5px; }
.foot-links a:hover { color: var(--text); }
.copy { color: var(--faint); font-size: 14px; }
.wa-float { position: fixed; right: calc(22px + env(safe-area-inset-right)); bottom: calc(22px + env(safe-area-inset-bottom)); z-index: 50; width: 58px; height: 58px; border-radius: 50%; display: grid; place-items: center; background: #25d366; color: #fff; box-shadow: 0 14px 30px -10px rgba(37, 211, 102, .75); }
.wa-float svg { width: 29px; height: 29px; }

/* reveal */
.js [data-reveal] { opacity: 0; transform: translateY(28px); transition: opacity .8s ease, transform .8s cubic-bezier(.2, .8, .2, 1); }
.js [data-reveal].in { opacity: 1; transform: none; }

@media (max-width: 1024px) {
  .post-layout { grid-template-columns: 1fr; }
  .toc { position: static; }
  .post-grid { grid-template-columns: repeat(2, 1fr); }
  .post-card.featured { grid-template-columns: 1fr; }
  .post-card.featured .pc-media { min-height: 0; aspect-ratio: 16 / 9; }
}
@media (max-width: 640px) {
  .wrap, .wrap-narrow { padding: 0 16px; }
  .blog-head { padding-top: 120px; }
  .chips { flex-wrap: nowrap; justify-content: flex-start; overflow-x: auto; margin: 26px -16px 0; padding: 2px 16px 6px; scrollbar-width: none; -webkit-mask-image: linear-gradient(90deg, transparent, #000 16px, #000 calc(100% - 16px), transparent); mask-image: linear-gradient(90deg, transparent, #000 16px, #000 calc(100% - 16px), transparent); }
  .chips::-webkit-scrollbar { display: none; }
  .chip { flex: none; }
  .post-head { padding-top: 116px; }
  .post-grid { grid-template-columns: 1fr; }
  .post-card.featured .pc-body { padding: 24px; }
  .prose { padding: 26px 20px; font-size: 16.5px; }
  .prose h2 { font-size: 24px; }
  .post-cover img { border-radius: 18px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .js [data-reveal] { opacity: 1; transform: none; }
}