/* ── Variables ── */
:root {
  --green: #000000;
  --green-dark: #1d1d1f;
  --dark: #1d1d1f;
  --gray: #6e6e73;
  --light: #f5f5f7;
  --white: #ffffff;
  --border: #e5e5e7;
  --font: 'Open Sans', system-ui, sans-serif;
  --nav-h: 60px;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--dark);
  background: var(--white);
  padding-bottom: calc(var(--nav-h) + 16px);
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--light); }
::-webkit-scrollbar-thumb { background: #adb5bd; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--gray); }

/* ── Container ── */
.container { width: 100%; max-width: 1140px; margin: 0 auto; padding: 0 1.5rem; }

/* ── Bottom Nav ── */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--dark);
  box-shadow: none;
  border-top: 1px solid rgba(255,255,255,.05);
}
.bottom-nav-inner {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 1rem;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -.01em;
  text-decoration: none;
}
.logo-bit { color: #fff; font-weight: 800; }
.logo-amp { color: #6e6e73; margin: 0 1px 0 3px; font-weight: 800; }
.logo-bytes { color: #fff; font-weight: 800; }

/* Desktop nav links — inline row */
.nav-links {
  display: flex;
  gap: 1.25rem;
  flex-shrink: 0;
}
.nav-links a {
  color: rgba(255,255,255,.85);
  font-size: .88rem;
  font-weight: 600;
  white-space: nowrap;
  transition: color .2s;
}
.nav-links a:hover, .nav-links a.active { color: #fff; text-decoration: underline; text-underline-offset: 3px; }

/* Hamburger button — hidden on desktop */
.nav-ham {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  flex-shrink: 0;
}
.nav-ham span {
  display: block;
  width: 22px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: transform .25s ease, opacity .25s ease;
}
.bottom-nav.open .nav-ham span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.bottom-nav.open .nav-ham span:nth-child(2) { opacity: 0; }
.bottom-nav.open .nav-ham span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile: hamburger mode */
@media (max-width: 640px) {
  .nav-ham { display: flex; }
  .nav-links {
    position: absolute;
    bottom: var(--nav-h);
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: var(--dark);
    border-top: 1px solid rgba(255,255,255,.1);
    max-height: 0;
    overflow: hidden;
    transition: max-height .3s ease;
  }
  .bottom-nav.open .nav-links { max-height: 400px; }
  .nav-links a {
    padding: .85rem 1.5rem;
    font-size: .95rem;
    border-bottom: 1px solid rgba(255,255,255,.07);
    white-space: normal;
  }
}

/* ── Banner ── */
.banner {
  background-color: #1d1d1f;
  background-image:
    radial-gradient(rgba(255,255,255,0.07) 1px, transparent 1px);
  background-size: 22px 22px;
  color: #fff;
  padding: 1.5rem 0 2.5rem;
  overflow: hidden;
  position: relative;
}
.banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(29,29,31,0.4) 0%, rgba(0,0,0,0.6) 100%);
  pointer-events: none;
}
.banner-inner {
  max-width: 1140px;
  margin: 0 auto;
  padding: 1rem 1.5rem 0;
  display: flex;
  flex-direction: column;
  position: relative;
}
.banner-content {
  display: flex;
  align-items: flex-end;
  gap: 2rem;
}
.banner-text {
  flex: 0 0 46%;
  min-width: 0;
}
.banner-title {
  display: block;
  font-size: 2.25rem;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -.5px;
  margin-bottom: 1rem;
  color: #fff;
  text-decoration: none;
}
.banner-title:hover { text-decoration: underline; text-underline-offset: 4px; }
.banner-excerpt {
  font-size: 1rem;
  line-height: 1.7;
  color: #a1a1a6;
  margin-bottom: 1rem;
}
.banner-meta { margin-bottom: 1.25rem; }
.banner-date { font-size: .85rem; color: #6e6e73; font-style: italic; }
.banner-badge {
  display: inline-block;
  background: #fff;
  color: #000;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .08em;
  padding: 3px 10px;
  border-radius: 4px;
  margin-bottom: .85rem;
}
.banner-cta {
  display: inline-block;
  background: #fff;
  color: #000;
  padding: 11px 22px;
  border-radius: 6px;
  font-weight: 600;
  font-size: .95rem;
  transition: background .2s, transform .15s;
}
.banner-cta:hover { background: #e5e5e7; transform: translateY(-1px); }

/* Banner slides — all absolute inside wrap so height never shifts */
.banner-slides-wrap { position: relative; height: 360px; }
.banner-slide { position: absolute; top: 0; left: 0; width: 100%; transition: opacity .4s ease; }
.banner-slide-hidden { visibility: hidden; pointer-events: none; opacity: 0; }
.banner-services-chips { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 1.25rem; }
.banner-services-chips span { background: rgba(255,255,255,.12); color: #fff; font-size: .78rem; font-weight: 600; padding: .25rem .7rem; border-radius: 999px; border: 1px solid rgba(255,255,255,.2); }
.banner-dots { display: flex; gap: .5rem; justify-content: flex-end; padding-top: .75rem; }
.banner-dot { width: 8px; height: 8px; border-radius: 50%; background: rgba(255,255,255,.3); cursor: pointer; transition: background .2s; }
.banner-dot.active { background: #fff; }

/* Banner overlay bar */
.banner-overlay-bar {
  position: absolute;
  top: 1rem;
  right: 2rem;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  z-index: 3;
}
.banner-top-row { display: flex; align-items: center; justify-content: space-between; width: 100%; margin-bottom: 1rem; }
.banner-top-row .banner-badge { margin-bottom: 0; }
.banner-right-actions { display: flex; align-items: center; gap: .75rem; }
.banner-search-wrap { display: flex; align-items: center; gap: .5rem; }
.banner-search-btn { background: none; border: none; color: rgba(255,255,255,.7); cursor: pointer; padding: 4px; display: flex; align-items: center; flex-shrink: 0; transition: color .2s; }
.banner-search-btn:hover { color: #fff; }
.banner-search-form {
  overflow: hidden;
  max-width: 0;
  opacity: 0;
  transition: max-width .3s ease, opacity .2s ease;
}
.banner-search-wrap.open .banner-search-form { max-width: 220px; opacity: 1; }
.banner-search-input {
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 6px;
  color: #fff;
  padding: .35rem .75rem;
  font-size: .875rem;
  font-family: var(--font);
  outline: none;
  width: 200px;
}
.banner-search-input::placeholder { color: rgba(255,255,255,.5); }
.banner-search-input:focus { border-color: rgba(255,255,255,.5); }
.banner-auth { display: flex; align-items: center; gap: .75rem; font-size: .875rem; }
.banner-username { color: rgba(255,255,255,.8); font-weight: 600; }
.banner-logout-btn { background: none; border: 1px solid rgba(255,255,255,.25); color: rgba(255,255,255,.7); padding: .3rem .75rem; border-radius: 5px; font-size: .8rem; font-family: var(--font); cursor: pointer; transition: border-color .2s, color .2s; }
.banner-logout-btn:hover { border-color: rgba(255,255,255,.6); color: #fff; }
.banner-login-btn { color: rgba(255,255,255,.75); text-decoration: none; font-weight: 500; transition: color .2s; }
.banner-login-btn:hover { color: #fff; }
.banner-register-btn { background: #fff; color: #000; padding: .3rem .85rem; border-radius: 5px; font-size: .8rem; font-weight: 600; text-decoration: none; transition: opacity .2s; }
.banner-register-btn:hover { opacity: .88; }

/* Laptop + video graphic */
.banner-graphic {
  flex: 0 0 54%;
  position: relative;
  display: none;
  align-self: flex-end;
}
.banner-graphic img { position: relative; display: block; width: 100%; }
.banner-graphic video {
  position: absolute;
  z-index: 1;
  width: 45.8%;
  left: 44%;
  top: 4%;
  border-radius: 4px;
}
@media (min-width: 900px) { .banner-graphic { display: block; } }

/* ── Section titles ── */
.section-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 1.5rem;
  padding-bottom: .5rem;
  border-bottom: 2px solid var(--green);
  display: inline-block;
}

/* ── Trending section ── */
.trending {
  background: var(--white);
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--border);
}
.post-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

/* ── Post card ── */
.post-card {
  padding: 1.25rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--white);
  transition: box-shadow .2s, border-color .2s;
}
.post-card:hover { box-shadow: 0 4px 16px rgba(0,0,0,.08); border-color: var(--green); }
.post-card-title {
  display: block;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: .6rem;
  color: var(--dark);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.post-card-title:hover { color: var(--green); }
.post-card-excerpt {
  font-size: .875rem;
  line-height: 1.6;
  color: var(--dark);
  margin-bottom: .75rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ── Posts + Sidebar layout ── */
.posts-section { background: var(--white); padding: 2.5rem 0 3rem; }
.posts-layout {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 3rem;
  align-items: start;
}
@media (max-width: 820px) { .posts-layout { grid-template-columns: 1fr; } }

/* ── Post item (list) ── */
.post-item {
  padding-bottom: 1.75rem;
  margin-bottom: 1.75rem;
  border-bottom: 1px solid var(--border);
}
.post-item:last-child { border-bottom: none; }
.post-item-title {
  display: block;
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: .5rem;
  color: var(--dark);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.post-item-title:hover { color: var(--green); }
.post-item-excerpt {
  font-size: .9rem;
  line-height: 1.7;
  color: var(--dark);
  margin-bottom: .75rem;
}

/* ── Post meta ── */
.post-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: .8rem;
  color: var(--dark);
  margin-bottom: .6rem;
}
.post-header .post-meta { color: rgba(255,255,255,.6); }
.post-date { font-style: italic; }
.post-claps { display: flex; align-items: center; gap: .25rem; }

/* ── Tags ── */
.post-tags { display: flex; flex-wrap: wrap; gap: .4rem; }
.post-tags .tag, .tag-cloud .tag {
  display: inline-block;
  padding: .2rem .6rem;
  background: var(--dark);
  color: var(--white);
  font-size: .75rem;
  border-radius: 3px;
  font-weight: 600;
  transition: background .2s;
}
.post-tags .tag:hover, .tag-cloud .tag:hover { background: var(--green); }
.icon-xs { width: 14px; height: 14px; }

/* ── Sidebar ── */
.sidebar { position: sticky; top: 1rem; }
.sidebar-block { margin-bottom: 2rem; }
.sidebar-title {
  font-size: .9rem;
  font-weight: 700;
  margin-bottom: .75rem;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--dark);
}
.tag-cloud { display: flex; flex-wrap: wrap; gap: .4rem; }
.series-list { list-style: none; }
.series-list li { padding: .4rem 0; border-bottom: 1px solid var(--border); }
.series-list a { font-size: .9rem; font-weight: 600; }
.series-list a:hover { color: var(--green); }

/* ── Post page ── */
.post-page { min-height: 80vh; }
.post-header {
  background: var(--dark);
  color: var(--white);
  padding: 2.5rem 0;
  position: sticky;
  top: 0;
  z-index: 10;
  transition: padding .3s ease, box-shadow .3s ease;
}
.post-header.compact {
  padding: .45rem 0;
  box-shadow: 0 2px 12px rgba(0,0,0,.4);
}
.post-header.compact .container { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; }
.post-header.compact .post-title { font-size: .95rem; margin-bottom: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; flex: 1; min-width: 0; }
.post-header.compact .post-subtitle { display: none; }
.post-header.compact .post-header-bar { display: flex; align-items: center; gap: .75rem; flex-shrink: 0; margin-top: 0; justify-content: flex-end; }
.post-header.compact .post-meta { display: flex; align-items: center; font-size: .78rem; color: rgba(255,255,255,.5); margin: 0; }
.post-header.compact .post-date { font-style: normal; line-height: 1; }
.post-title {
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: .5rem;
  transition: font-size .3s ease;
}
.post-subtitle {
  font-size: 1rem;
  opacity: .85;
  margin-bottom: .5rem;
}
.post-header-bar { display: flex; align-items: center; justify-content: space-between; margin-top: .5rem; }
.post-header-actions { display: flex; align-items: center; gap: 1rem; }
.post-header-comments-link { display: flex; align-items: center; gap: .4rem; color: rgba(255,255,255,.65); font-size: .85rem; text-decoration: none; transition: color .2s; }
.post-header-comments-link:hover { color: #fff; }
.post-body { padding: 2rem 0 3rem; max-width: 780px; }
.post-tags-top { margin-top: 1.25rem; margin-bottom: 1.5rem; }
.post-content {
  font-size: 1rem;
  line-height: 1.85;
  color: var(--dark);
}
.post-content h2 { font-size: 1.4rem; margin: 2rem 0 .75rem; }
.post-content h3 { font-size: 1.15rem; margin: 1.5rem 0 .6rem; }
.post-content p { margin-bottom: 1rem; }
.post-content ul, .post-content ol { margin: 0 0 1rem 1.5rem; }
.post-content li { margin-bottom: .4rem; }
.post-content pre {
  border-radius: 6px;
  margin-bottom: 1rem;
  font-size: .875rem;
}
.post-content code {
  font-family: 'SFMono-Regular', Consolas, 'Courier New', monospace;
  font-size: .875em;
  background: #f0f0f0;
  padding: .15em .35em;
  border-radius: 3px;
  color: #c0392b;
}
.post-content pre code { background: none; padding: 0; font-size: inherit; color: inherit; }
.post-content img { max-width: 100%; border-radius: 6px; margin: 1rem 0; }
.post-content a { color: #000; text-decoration: underline; }
.post-content blockquote {
  border-left: 4px solid var(--green);
  padding-left: 1rem;
  margin: 1rem 0;
  color: var(--gray);
  font-style: italic;
}
/* ── Prism dark theme (VS Code Dark+) ── */
pre[class*=language-], code[class*=language-] {
  color: #d4d4d4;
  font-size: 13px;
  text-shadow: none;
  font-family: Menlo, Monaco, Consolas, "Andale Mono", "Ubuntu Mono", "Courier New", monospace;
  direction: ltr;
  text-align: left;
  white-space: pre;
  word-spacing: normal;
  word-break: normal;
  line-height: 1.5;
  tab-size: 4;
  hyphens: none;
}
pre[class*=language-] {
  padding: 1em 1.25em;
  margin: 0.5em 0;
  overflow: auto;
  background: #1e1e1e;
}
:not(pre) > code[class*=language-] {
  padding: 0.1em 0.3em;
  border-radius: 0.3em;
  color: #db4c69;
  background: #f9f2f4;
}
.namespace { opacity: 0.7; }
.token.doctype .token.doctype-tag { color: #569CD6; }
.token.doctype .token.name { color: #9cdcfe; }
.token.comment, .token.prolog { color: #6a9955; }
.token.punctuation,
.language-html .language-css .token.punctuation,
.language-html .language-javascript .token.punctuation { color: #d4d4d4; }
.token.property, .token.tag, .token.boolean, .token.number, .token.constant,
.token.symbol, .token.inserted, .token.unit { color: #b5cea8; }
.token.selector, .token.attr-name, .token.string, .token.char,
.token.builtin, .token.deleted { color: #ce9178; }
.token.operator, .token.entity { color: #d4d4d4; }
.token.operator.arrow { color: #569CD6; }
.token.atrule { color: #ce9178; }
.token.atrule .token.rule { color: #c586c0; }
.token.atrule .token.url { color: #9cdcfe; }
.token.atrule .token.url .token.function { color: #dcdcaa; }
.token.atrule .token.url .token.punctuation { color: #d4d4d4; }
.token.keyword { color: #569CD6; }
.token.keyword.module, .token.keyword.control-flow { color: #c586c0; }
.token.function, .token.function .token.maybe-class-name { color: #dcdcaa; }
.token.regex { color: #d16969; }
.token.important { color: #569cd6; }
.token.italic { font-style: italic; }
.token.constant { color: #9cdcfe; }
.token.class-name, .token.maybe-class-name { color: #4ec9b0; }
.token.console { color: #9cdcfe; }
.token.parameter { color: #9cdcfe; }
.token.interpolation { color: #9cdcfe; }
.token.punctuation.interpolation-punctuation { color: #569cd6; }
.token.boolean { color: #569cd6; }
.token.property, .token.variable,
.token.imports .token.maybe-class-name,
.token.exports .token.maybe-class-name { color: #9cdcfe; }
.token.selector { color: #d7ba7d; }
.token.escape { color: #d7ba7d; }
.token.tag { color: #569cd6; }
.token.tag .token.punctuation { color: #808080; }
.token.cdata { color: #808080; }
.token.attr-name { color: #9cdcfe; }
.token.attr-value, .token.attr-value .token.punctuation { color: #ce9178; }
.token.attr-value .token.punctuation.attr-equals { color: #d4d4d4; }
.token.entity { color: #569cd6; }
.token.namespace { color: #4ec9b0; }
pre[class*=language-javascript], code[class*=language-javascript],
pre[class*=language-jsx], code[class*=language-jsx],
pre[class*=language-typescript], code[class*=language-typescript],
pre[class*=language-tsx], code[class*=language-tsx] { color: #9cdcfe; }
pre[class*=language-css], code[class*=language-css] { color: #ce9178; }
pre[class*=language-html], code[class*=language-html] { color: #d4d4d4; }
.language-regex .token.anchor { color: #dcdcaa; }
.language-html .token.punctuation { color: #808080; }

.post-attachments { margin: 2.5rem 0 1.5rem; }
.post-attachments-title { display: flex; align-items: center; gap: .4rem; font-size: .8rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); margin: 0 0 .75rem; }
.post-attachments-list { display: flex; flex-wrap: wrap; gap: .6rem; }
.attachment-btn { display: inline-flex; align-items: center; gap: .45rem; padding: .45rem .9rem; border-radius: 6px; font-size: .85rem; font-weight: 500; text-decoration: none; border: 1px solid var(--border); color: var(--text); background: var(--surface); transition: border-color .15s, background .15s; }
.attachment-btn:hover { border-color: var(--green); background: rgba(138,207,49,.08); color: var(--green); }
.attachment-btn svg { flex-shrink: 0; }
.post-footer { margin-top: 3rem; padding-top: 1.5rem; border-top: 1px solid var(--border); }
.back-link { color: var(--green); font-weight: 600; }
.back-link:hover { text-decoration: underline; }

/* ── Archive / Topic / Series pages ── */
.archive-page { padding: 2.5rem 0 3rem; }
.archive-header { margin-bottom: 2rem; }
.archive-header h1 { font-size: 1.75rem; font-weight: 700; margin-bottom: .5rem; }
.archive-header p { color: var(--gray); }

/* ── Blog archive page ── */
.blog-archive { padding: 2.5rem 0 3rem; }
.archive-title { font-size: 2rem; font-weight: 800; margin-bottom: .25rem; }
.archive-count { color: var(--gray); font-size: .9rem; margin-bottom: 2rem; }
.archive-search { margin-bottom: 2rem; }
.archive-search-input {
  width: 100%;
  max-width: 480px;
  padding: .65rem 1rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: .95rem;
  font-family: var(--font);
  color: var(--dark);
  background: var(--white);
  outline: none;
  transition: border-color .2s;
}
.archive-search-input:focus { border-color: var(--dark); }
.archive-list { display: flex; flex-direction: column; }
.archive-item {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 2rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--border);
}
.archive-item-main { flex: 1; min-width: 0; }
.archive-item-title {
  display: block;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--dark);
  text-decoration: underline;
  text-underline-offset: 3px;
  margin-bottom: .4rem;
}
.archive-item-title:hover { color: var(--gray); }
.archive-item-excerpt { font-size: .875rem; color: var(--gray); line-height: 1.6; margin-bottom: .6rem; }
.archive-item-meta { text-align: right; flex-shrink: 0; font-size: .8rem; color: var(--gray); display: flex; flex-direction: column; gap: .3rem; align-items: flex-end; }
.archive-series-label { font-size: .78rem; color: var(--gray); margin-top: .4rem; }
.archive-series-label a { color: var(--dark); text-decoration: underline; }
.series-post-item { display: flex; gap: 1.25rem; align-items: flex-start; }
.series-num {
  flex-shrink: 0;
  width: 2rem;
  height: 2rem;
  background: var(--green);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: .85rem;
  margin-top: .2rem;
}

/* ── Error page ── */
.error-page { padding: 5rem 0; text-align: center; }
.error-page h1 { font-size: 5rem; font-weight: 700; color: var(--green); margin-bottom: 1rem; }
.error-page p { color: var(--gray); margin-bottom: 2rem; }

/* ── Empty state ── */
.empty-state { color: var(--gray); font-style: italic; padding: 2rem 0; }

/* ── Home Services strip ── */
.home-services {
  padding: 2.5rem 0 calc(var(--nav-h) + 2.5rem);
  background: var(--dark);
  color: var(--white);
}
.home-services-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}
.home-services-header .section-title { color: var(--white); border-color: var(--green); margin-bottom: 0; }
.services-link { color: #fff; font-weight: 600; font-size: .9rem; }
.services-link:hover { text-decoration: underline; }
.home-services-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}
.home-service-item {
  display: flex;
  align-items: center;
  gap: .6rem;
  padding: .6rem 1.1rem;
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 6px;
  font-size: .9rem;
  font-weight: 600;
  color: rgba(255,255,255,.85);
  transition: border-color .2s, color .2s;
}
.home-service-item:hover { border-color: #fff; color: #fff; }
.home-service-icon { width: 20px; height: 20px; flex-shrink: 0; }
.home-service-icon svg { width: 100%; height: 100%; }

/* ── Services ── */
.services-hero {
  background: var(--dark);
  color: var(--white);
  padding: 3.5rem 0 2.5rem;
}
.services-hero h1 { font-size: 2.5rem; font-weight: 700; margin-bottom: .6rem; }
.services-hero p { font-size: 1.05rem; color: rgba(255,255,255,.75); }

.services-page { padding: 3rem 0 4rem; }

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
  margin-bottom: 4rem;
}

.service-card {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.75rem;
  transition: box-shadow .2s, border-color .2s;
}
.service-card:hover { box-shadow: 0 6px 24px rgba(0,0,0,.08); border-color: var(--green); }

.service-icon {
  width: 48px;
  height: 48px;
  color: var(--green);
  margin-bottom: 1.1rem;
}
.service-icon svg { width: 100%; height: 100%; }

.service-card h2 { font-size: 1.15rem; font-weight: 700; margin-bottom: .6rem; }
.service-card p { font-size: .9rem; line-height: 1.7; color: var(--dark); margin-bottom: 1rem; }
.service-card ul { list-style: none; padding: 0; }
.service-card li {
  font-size: .875rem;
  padding: .3rem 0;
  color: var(--dark);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: .5rem;
}
.service-card li::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
  flex-shrink: 0;
}
.service-card li:last-child { border-bottom: none; }

.services-cta {
  background: var(--light);
  border-radius: 10px;
  padding: 3rem 2.5rem;
  text-align: center;
}
.services-cta h2 { font-size: 1.75rem; font-weight: 700; margin-bottom: .6rem; color: var(--dark); }
.services-cta p { color: var(--gray); margin-bottom: 1.5rem; }
.cta-btn {
  display: inline-block;
  background: var(--dark);
  color: var(--white);
  padding: .75rem 2rem;
  border-radius: 5px;
  font-weight: 700;
  font-size: .95rem;
  transition: background .2s;
}
.cta-btn:hover { background: #333; }

/* ── Static pages (privacy, terms) ── */
.static-page { padding: 2.5rem 0 4rem; max-width: 780px; }
.static-page h1 { font-size: 2rem; font-weight: 700; margin-bottom: .5rem; }
.static-page h2 { font-size: 1.25rem; font-weight: 700; margin: 2rem 0 .6rem; }
.static-page h4 { font-size: 1rem; font-weight: 700; margin: 1.25rem 0 .5rem; }
.static-page p { margin-bottom: .9rem; line-height: 1.75; color: #333; }
.static-page ul { margin: 0 0 1rem 1.5rem; }
.static-page li { margin-bottom: .4rem; line-height: 1.7; }
.static-page a { color: var(--green); text-decoration: underline; }
.static-meta { color: var(--gray); font-size: .85rem; font-style: italic; margin-bottom: 1.5rem; }

/* ── Open Source ── */
.os-hero {
  background: var(--dark);
  color: var(--white);
  padding: 3rem 0 2rem;
}
.os-hero h1 { font-size: 2.25rem; font-weight: 700; margin-bottom: .5rem; }
.os-hero p { color: rgba(255,255,255,.7); }

.os-page { padding: 3rem 0 4rem; }

.os-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
  margin-bottom: 3rem;
}
.os-card {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.5rem;
  transition: box-shadow .2s, border-color .2s;
}
.os-card:hover { box-shadow: 0 6px 20px rgba(0,0,0,.08); border-color: var(--green); }
.os-card-header { display: flex; align-items: center; gap: .75rem; margin-bottom: .9rem; }
.os-badge {
  background: var(--light);
  color: var(--gray);
  border: 1px solid var(--border);
  font-size: .7rem;
  font-weight: 700;
  padding: .15rem .5rem;
  border-radius: 3px;
  text-transform: uppercase;
  letter-spacing: .05em;
}
.os-npm-link { font-size: 1.05rem; font-weight: 700; color: var(--dark); }
.os-npm-link:hover { color: var(--green); }
.os-desc { font-size: .875rem; line-height: 1.7; color: var(--dark); margin-bottom: 1rem; }
.os-meta { display: flex; align-items: center; justify-content: space-between; margin-bottom: .85rem; }
.os-version { font-size: .78rem; color: var(--dark); font-family: monospace; }
.os-link { font-size: .82rem; color: var(--green); font-weight: 600; }
.os-link:hover { text-decoration: underline; }
.os-install {
  background: #1e1e1e;
  border-radius: 5px;
  padding: .6rem .9rem;
}
.os-install code { font-size: .82rem; color: #a1a1a6; font-family: 'SFMono-Regular', Consolas, monospace; }
.os-footer { text-align: center; color: var(--dark); }
.os-footer a { color: var(--green); text-decoration: underline; }
.os-tool-card { display: flex; gap: 2.5rem; margin-bottom: 2rem; }
.os-tool-main { flex: 1 1 50%; }
.os-tool-side { flex: 1 1 50%; display: flex; flex-direction: column; justify-content: space-between; }
.os-tool-actions { display: flex; align-items: center; gap: 1.25rem; margin-top: 1rem; }
.os-feature-list { font-size: .875rem; line-height: 1.8; color: var(--dark); margin: 0 0 0 1.1rem; }
.os-how-to { font-size: .875rem; line-height: 1.7; color: var(--dark); margin-bottom: 1rem; }
.os-how-to ol { margin: .4rem 0 0 1.1rem; }
.os-how-to code { background: #f2f2f2; padding: .1rem .35rem; border-radius: 3px; font-size: .8rem; font-family: monospace; }
.os-disclaimer { font-size: .78rem; color: #888; margin-bottom: 0; font-style: italic; }
.os-download-btn {
  display: inline-block;
  background: #1e1e1e;
  color: #a1a1a6;
  font-family: 'SFMono-Regular', Consolas, monospace;
  font-size: .82rem;
  padding: .6rem .9rem;
  border-radius: 5px;
  text-decoration: none;
  transition: background .2s;
}
.os-download-btn:hover { background: #2a2a2a; color: #fff; }
@media (max-width: 768px) { .os-tool-card { flex-direction: column; gap: 1rem; } }

/* ── Contact form ── */
.contact-form-wrap { margin-top: 2rem; max-width: 560px; }
.form-group { margin-bottom: 1.25rem; }
.form-group label { display: block; font-size: .875rem; font-weight: 600; margin-bottom: .4rem; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  padding: .6rem .85rem;
  border: 1px solid var(--border);
  border-radius: 5px;
  font-family: var(--font);
  font-size: .9rem;
  color: var(--dark);
  transition: border-color .2s;
  background: var(--white);
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--green);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-alert { padding: .75rem 1rem; border-radius: 5px; margin-bottom: 1.25rem; font-size: .9rem; }
.form-alert-success { background: #d1fae5; color: #065f46; }
.form-alert-error { background: #fee2e2; color: #991b1b; }

/* ── Cookie consent banner ── */
#cookie-banner {
  position: fixed;
  bottom: calc(var(--nav-h) + 0.75rem);
  left: 50%;
  transform: translateX(-50%);
  background: #1d1d1f;
  color: #e5e5e7;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 10px;
  padding: .75rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: .82rem;
  z-index: 9999;
  box-shadow: 0 4px 24px rgba(0,0,0,.4);
  max-width: 560px;
  width: calc(100% - 2rem);
}
#cookie-banner p { margin: 0; line-height: 1.5; }
#cookie-banner a { color: var(--green); text-decoration: underline; }
#cookie-banner button {
  flex-shrink: 0;
  background: #fff;
  color: #000;
  border: none;
  padding: .4rem .9rem;
  border-radius: 6px;
  font-size: .82rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
}

/* ── Responsive ── */
@media (max-width: 768px) {
  /* Banner */
  .banner { padding: 2rem 0 0; }
  .banner-inner { flex-direction: column; }
  .banner-text { padding-bottom: 1.5rem; }
  .banner-title { font-size: 1.35rem; }
  .banner-graphic { display: none; }

  /* Nav — handled by horizontal scroll, no override needed */

  /* Grid */
  .post-grid { grid-template-columns: 1fr; }

  /* Trending */
  .trending { padding: 1.75rem 0; }

  /* Posts section */
  .posts-section { padding: 1.75rem 0 2.5rem; }
  .posts-layout { grid-template-columns: 1fr; gap: 1.5rem; }
  .sidebar { position: static; }

  /* Services */
  .services-hero h1 { font-size: 1.75rem; }
  .services-grid { grid-template-columns: 1fr; }
  .services-cta { padding: 2rem 1.5rem; }
  .services-cta h2 { font-size: 1.35rem; }

  /* Post */
  .post-title { font-size: 1.3rem; }
  .post-header { padding: 1.5rem 0; }
  .post-body { padding: 1.5rem 0 2rem; }

  /* Archive */
  .archive-page { padding: 1.5rem 0 2.5rem; }

  /* Static */
  .static-page { padding: 1.5rem 0 3rem; }
  .static-page h1 { font-size: 1.5rem; }
}

@media (max-width: 480px) {
  .bottom-nav-inner { padding: 0 .75rem; }
  .container { padding: 0 1rem; }
  .banner-title { font-size: 1.2rem; }
  .home-services-grid { gap: .6rem; }
  .home-service-item { padding: .5rem .85rem; font-size: .82rem; }
}

/* ── Auth pages ── */
.auth-page { display: flex; align-items: center; justify-content: center; min-height: 60vh; padding: 2rem 1rem; }
.auth-card { width: 100%; max-width: 420px; }
.auth-title { font-size: 1.75rem; font-weight: 800; margin-bottom: .25rem; }
.auth-sub { color: var(--gray); margin-bottom: 1.75rem; }
.auth-error { background: #fff0f0; border: 1px solid #fcc; color: #c00; padding: .75rem 1rem; border-radius: 6px; font-size: .875rem; margin-bottom: 1.25rem; }
.auth-success { background: #f0fff4; border: 1px solid #9be9a8; color: #1a7f37; padding: .75rem 1rem; border-radius: 6px; font-size: .875rem; margin-bottom: 1.25rem; }
.auth-form .form-group { margin-bottom: 1rem; }
.auth-btn {
  width: 100%;
  padding: .75rem;
  background: var(--dark);
  color: #fff;
  border: none;
  border-radius: 6px;
  font-size: 1rem;
  font-weight: 600;
  font-family: var(--font);
  cursor: pointer;
  margin-top: .5rem;
  transition: opacity .2s;
}
.auth-btn:hover { opacity: .85; }
.auth-switch { margin-top: 1.25rem; font-size: .875rem; color: var(--gray); text-align: center; }
.auth-switch a { color: var(--dark); font-weight: 600; text-decoration: underline; }
.nav-logout-btn { background: none; border: none; color: #a1a1a6; font-size: .9rem; font-family: var(--font); cursor: pointer; padding: 0; }

/* ── Clap ── */
.post-clap-section { display: flex; align-items: center; gap: 1rem; margin: 2.5rem 0 1.5rem; }
.clap-btn {
  display: flex;
  align-items: center;
  gap: .5rem;
  background: var(--light);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: .5rem 1.1rem;
  font-size: 1rem;
  font-weight: 600;
  font-family: var(--font);
  cursor: pointer;
  transition: background .15s, border-color .15s, transform .1s;
  color: var(--dark);
}
.clap-btn:hover { background: #e5e5e7; border-color: #ccc; }
.clap-btn:active { transform: scale(.95); }
.clap-btn.clapped { background: var(--dark); color: #fff; border-color: var(--dark); }
.clap-btn-icon { width: 20px; height: 20px; display: block; }
.clap-btn.clapped .clap-btn-icon { filter: brightness(10); }
.clap-btn-header { background: none; border: none; color: rgba(255,255,255,.8); padding: 0; font-size: .85rem; line-height: 1; }
.clap-btn-header:hover { background: none; border: none; color: #fff; }
.clap-btn-header:active { transform: none; }
.clap-btn-header.clapped { background: none; border: none; color: #fff; }
.clap-btn-header .clap-btn-icon { width: 16px; height: 16px; opacity: .8; }
.clap-btn-header.clapped .clap-btn-icon { opacity: 1; filter: none; }
.clap-hint { display: inline-flex; align-items: center; gap: .35rem; font-size: .82rem; color: var(--gray); }
.clap-hint a { color: var(--dark); text-decoration: underline; }

/* ── Comments ── */
.comments-section { margin-top: 3rem; border-top: 1px solid var(--border); padding-top: 2rem; }
.comments-title { font-size: 1.1rem; font-weight: 700; margin-bottom: 1.5rem; }
.comment-form { margin-bottom: 2rem; }
.comment-textarea {
  width: 100%;
  padding: .75rem 1rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: .9rem;
  font-family: var(--font);
  color: var(--dark);
  resize: vertical;
  outline: none;
  transition: border-color .2s;
}
.comment-textarea:focus { border-color: var(--dark); }
.comment-submit {
  margin-top: .75rem;
  padding: .55rem 1.25rem;
  background: var(--dark);
  color: #fff;
  border: none;
  border-radius: 6px;
  font-size: .9rem;
  font-weight: 600;
  font-family: var(--font);
  cursor: pointer;
  transition: opacity .2s;
}
.comment-submit:hover { opacity: .85; }
.comment-login-prompt { font-size: .9rem; color: var(--gray); margin-bottom: 2rem; }
.comment-login-prompt a { color: var(--dark); font-weight: 600; text-decoration: underline; }
.comment-item { padding: 1rem 0; border-bottom: 1px solid var(--border); }
.comment-meta { display: flex; gap: 1rem; align-items: baseline; margin-bottom: .4rem; }
.comment-author { font-weight: 700; font-size: .9rem; }
.comment-date { font-size: .78rem; color: var(--gray); }
.comment-body { font-size: .9rem; line-height: 1.7; color: var(--dark); white-space: pre-wrap; }
.comment-body a { color: var(--green); text-decoration: underline; word-break: break-all; }
.comment-empty { color: var(--gray); font-size: .9rem; padding: 1rem 0; }