/* Vaultwise — hand-written CSS, no framework, no build step. */

:root {
  --bg: #f6f7fb;
  --bg-2: #ffffff;
  --bg-3: #eef1f8;
  --fg: #10142a;
  --fg-2: #4a5477;
  --fg-3: #6c769b;
  --line: #dfe4f0;
  --accent: #4f46e5;
  --accent-2: #0891b2;
  --accent-soft: rgba(79, 70, 229, 0.1);
  --warn: #b45309;
  --danger: #be123c;
  --ok: #047857;
  --radius: 16px;
  --radius-lg: 22px;
  --shadow: 0 1px 2px rgba(16, 20, 42, 0.05), 0 12px 32px -18px rgba(16, 20, 42, 0.35);
  --maxw: 1180px;
  --font: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

:root[data-theme="dark"] {
  --bg: #070b16;
  --bg-2: #0e1526;
  --bg-3: #131c30;
  --fg: #eaeefb;
  --fg-2: #a7b2d1;
  --fg-3: #7c88ac;
  --line: #1e2942;
  --accent: #818cf8;
  --accent-2: #22d3ee;
  --accent-soft: rgba(129, 140, 248, 0.14);
  --warn: #fbbf24;
  --danger: #fb7185;
  --ok: #34d399;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.5), 0 18px 40px -22px rgba(0, 0, 0, 0.9);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #070b16;
    --bg-2: #0e1526;
    --bg-3: #131c30;
    --fg: #eaeefb;
    --fg-2: #a7b2d1;
    --fg-3: #7c88ac;
    --line: #1e2942;
    --accent: #818cf8;
    --accent-2: #22d3ee;
    --accent-soft: rgba(129, 140, 248, 0.14);
    --warn: #fbbf24;
    --danger: #fb7185;
    --ok: #34d399;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.5), 0 18px 40px -22px rgba(0, 0, 0, 0.9);
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-decoration-color: color-mix(in srgb, var(--accent) 40%, transparent); text-underline-offset: 3px; }
a:hover { text-decoration-color: currentColor; }
h1, h2, h3, h4 { line-height: 1.18; letter-spacing: -0.02em; margin: 0 0 0.5em; font-weight: 800; }
h1 { font-size: clamp(2rem, 1.3rem + 3vw, 3.35rem); }
h2 { font-size: clamp(1.5rem, 1.15rem + 1.5vw, 2.05rem); }
h3 { font-size: 1.28rem; }
p { margin: 0 0 1.1em; }
.wrap { width: min(100% - 2.5rem, var(--maxw)); margin-inline: auto; }
.muted { color: var(--fg-2); }
.small { font-size: 0.86rem; }
.sr-only, .skip:not(:focus) {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip:focus { position: fixed; z-index: 100; top: 12px; left: 12px; background: var(--accent); color: #fff; padding: 10px 16px; border-radius: 10px; }
kbd {
  font-family: var(--mono); font-size: 0.78em; border: 1px solid var(--line);
  border-bottom-width: 2px; border-radius: 6px; padding: 1px 6px; background: var(--bg-3);
}
::selection { background: var(--accent); color: #fff; }

/* ---------- header ---------- */
.progress { position: fixed; inset: 0 auto auto 0; height: 3px; width: 0; z-index: 60; background: linear-gradient(90deg, var(--accent), var(--accent-2)); }
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: saturate(1.4) blur(14px);
  border-bottom: 1px solid var(--line);
}
.site-header__inner { display: flex; align-items: center; gap: 1.5rem; height: 66px; }
.logo { display: inline-flex; align-items: center; gap: 0.55rem; color: var(--fg); text-decoration: none; font-weight: 800; letter-spacing: -0.03em; font-size: 1.12rem; }
.logo__mark { width: 28px; height: 28px; }
.nav { display: flex; gap: 1.35rem; margin-left: auto; font-size: 0.95rem; }
.nav a { color: var(--fg-2); text-decoration: none; padding: 4px 0; border-bottom: 2px solid transparent; }
.nav a:hover { color: var(--fg); }
.nav a[aria-current="page"] { color: var(--fg); border-bottom-color: var(--accent); }
.header-tools { display: flex; gap: 0.4rem; margin-left: auto; }
.nav + .header-tools { margin-left: 0.5rem; }
.iconbtn {
  display: grid; place-items: center; width: 38px; height: 38px; border-radius: 11px;
  border: 1px solid var(--line); background: var(--bg-2); color: var(--fg-2); cursor: pointer;
}
.iconbtn:hover { color: var(--fg); border-color: var(--accent); }
.iconbtn svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; }
.burger { display: none; }
:root[data-theme="dark"] .i-sun, .i-moon { display: none; }
:root[data-theme="dark"] .i-moon { display: block; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .i-sun { display: none; }
  :root:not([data-theme="light"]) .i-moon { display: block; }
}
:root[data-theme="light"] .i-sun { display: block; }
:root[data-theme="light"] .i-moon { display: none; }
.mobile-nav { display: none; flex-direction: column; padding: 0.5rem 1.25rem 1.25rem; border-bottom: 1px solid var(--line); }
.mobile-nav a { padding: 0.7rem 0; color: var(--fg); text-decoration: none; border-bottom: 1px solid var(--line); }

@media (max-width: 900px) {
  .nav { display: none; }
  .burger { display: grid; }
  .mobile-nav:not([hidden]) { display: flex; }
}

/* ---------- hero ---------- */
.hero { padding: clamp(2.5rem, 6vw, 5rem) 0 1rem; position: relative; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: -40% 40% 40% -10%;
  background: radial-gradient(circle at 50% 50%, var(--accent-soft), transparent 65%);
  pointer-events: none;
}
.hero__inner { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(1.5rem, 4vw, 3.5rem); align-items: center; position: relative; }
.hero h1 { margin-bottom: 0.6rem; }
.grad { background: linear-gradient(100deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.eyebrow { text-transform: uppercase; letter-spacing: 0.16em; font-size: 0.75rem; font-weight: 700; color: var(--accent-2); margin-bottom: 0.9rem; }
.lede { font-size: 1.12rem; color: var(--fg-2); max-width: 62ch; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin: 1.5rem 0; }
.hero__img { border-radius: var(--radius-lg); border: 1px solid var(--line); box-shadow: var(--shadow); }
.hero__stats { list-style: none; display: flex; gap: 2rem; padding: 0; margin: 1.5rem 0 0; flex-wrap: wrap; }
.hero__stats li { display: flex; flex-direction: column; }
.hero__stats strong { font-size: 1.7rem; letter-spacing: -0.03em; }
.hero__stats span { font-size: 0.82rem; color: var(--fg-3); }
@media (max-width: 860px) { .hero__inner { grid-template-columns: 1fr; } .hero__img { order: -1; } }

.btn {
  display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.72rem 1.15rem;
  border-radius: 12px; border: 1px solid var(--line); background: var(--bg-2);
  color: var(--fg); text-decoration: none; font-weight: 600; font-size: 0.95rem;
}
.btn:hover { border-color: var(--accent); }
.btn--primary { background: linear-gradient(100deg, var(--accent), var(--accent-2)); border-color: transparent; color: #fff; }
.btn--primary:hover { filter: brightness(1.08); }

/* ---------- sections + cards ---------- */
.section { margin: clamp(2.5rem, 6vw, 4.5rem) 0; }
.section__title { font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.16em; color: var(--fg-3); font-weight: 700; margin-bottom: 1.4rem; padding-bottom: 0.7rem; border-bottom: 1px solid var(--line); }
.grid { display: grid; gap: 1.4rem; }
.grid--3 { grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }
.grid--2 { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }

.card {
  background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius-lg);
  overflow: hidden; display: flex; flex-direction: column; transition: transform 0.18s ease, border-color 0.18s ease;
}
.card:hover { transform: translateY(-3px); border-color: color-mix(in srgb, var(--accent) 55%, var(--line)); }
.card__media img { aspect-ratio: 1200/630; object-fit: cover; }
.card__body { padding: 1.15rem 1.25rem 1.4rem; display: flex; flex-direction: column; gap: 0.5rem; flex: 1; }
.card__body h3 { margin: 0; font-size: 1.13rem; letter-spacing: -0.015em; }
.card__body h3 a { color: var(--fg); text-decoration: none; }
.card__body h3 a:hover { color: var(--accent); }
.card__body p { margin: 0; color: var(--fg-2); font-size: 0.94rem; }
.card__meta { display: flex; align-items: center; gap: 0.55rem; font-size: 0.78rem; color: var(--fg-3); }
.card__kw { margin-top: auto !important; font-size: 0.78rem !important; color: var(--fg-3) !important; padding-top: 0.6rem; border-top: 1px dashed var(--line); }
.dot { width: 3px; height: 3px; border-radius: 50%; background: var(--fg-3); }
.card--featured { flex-direction: row; }
.card--featured .card__media { flex: 1 1 52%; }
.card--featured .card__media img { height: 100%; }
.card--featured .card__body { flex: 1 1 48%; justify-content: center; padding: 2rem; }
.card--featured h3 { font-size: clamp(1.3rem, 1rem + 1.4vw, 1.9rem); }
@media (max-width: 780px) { .card--featured { flex-direction: column; } }

.tag {
  display: inline-block; font-size: 0.72rem; font-weight: 700; letter-spacing: 0.08em;
  text-transform: uppercase; padding: 0.25rem 0.6rem; border-radius: 999px;
  background: var(--accent-soft); color: var(--accent); border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
}
.tag--security { background: color-mix(in srgb, var(--danger) 14%, transparent); color: var(--danger); border-color: color-mix(in srgb, var(--danger) 32%, transparent); }
.tag--reviews { background: color-mix(in srgb, var(--accent-2) 14%, transparent); color: var(--accent-2); border-color: color-mix(in srgb, var(--accent-2) 32%, transparent); }
.tag--compare { background: color-mix(in srgb, var(--warn) 16%, transparent); color: var(--warn); border-color: color-mix(in srgb, var(--warn) 34%, transparent); }

.catcard { display: block; padding: 1.6rem; border-radius: var(--radius-lg); border: 1px solid var(--line); background: var(--bg-2); text-decoration: none; color: var(--fg); }
.catcard:hover { border-color: var(--accent); }
.catcard h3 { margin-bottom: 0.35rem; }
.catcard p { color: var(--fg-2); font-size: 0.95rem; margin-bottom: 0.6rem; }
.catcard__count { font-size: 0.8rem; color: var(--accent); font-weight: 600; }

.trail__list { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.7rem; }
.trail__list li { display: flex; gap: 1rem; align-items: flex-start; background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem 1.2rem; }
.trail__n { display: grid; place-items: center; flex: none; width: 30px; height: 30px; border-radius: 50%; background: var(--accent-soft); color: var(--accent); font-weight: 800; font-size: 0.9rem; }
.trail__list a { text-decoration: none; color: var(--fg); }
.trail__list a strong { display: block; }
.trail__list a span { color: var(--fg-2); font-size: 0.9rem; }
.trail__list a:hover strong { color: var(--accent); }

/* ---------- article ---------- */
.pagehead { padding: clamp(2rem, 5vw, 3.5rem) 0 1rem; }
.crumbs { display: flex; flex-wrap: wrap; gap: 0.5rem; font-size: 0.82rem; color: var(--fg-3); margin-bottom: 1rem; }
.crumbs a { color: var(--fg-3); text-decoration: none; }
.crumbs a:hover { color: var(--accent); }
.post__head { padding: clamp(1.75rem, 4vw, 3rem) 0 0; max-width: 900px; }
.post__head h1 { margin: 0.75rem 0 0.6rem; }
.byline { display: flex; align-items: center; gap: 0.8rem; margin: 1.5rem 0; }
.byline p { margin: 0; }
.avatar { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 50%; font-weight: 800; color: #fff; background: linear-gradient(135deg, var(--accent), var(--accent-2)); }
.post__hero { border-radius: var(--radius-lg); border: 1px solid var(--line); margin: 1.5rem 0 0; box-shadow: var(--shadow); }
.post__layout { display: grid; grid-template-columns: 250px minmax(0, 1fr); gap: clamp(1.5rem, 4vw, 4rem); align-items: start; padding-top: 2.5rem; }
@media (max-width: 1000px) { .post__layout { grid-template-columns: 1fr; } .toc { position: static !important; } }

.toc { position: sticky; top: 90px; font-size: 0.9rem; border-left: 2px solid var(--line); padding-left: 1.1rem; }
.toc__title { text-transform: uppercase; font-size: 0.72rem; letter-spacing: 0.14em; color: var(--fg-3); font-weight: 700; }
.toc ol { list-style: none; padding: 0; margin: 0 0 1.5rem; display: grid; gap: 0.5rem; counter-reset: t; }
.toc li { counter-increment: t; }
.toc a { color: var(--fg-2); text-decoration: none; display: block; }
.toc a::before { content: counter(t) ". "; color: var(--fg-3); }
.toc a:hover, .toc a.active { color: var(--accent); }
.toc__kw { font-size: 0.78rem; color: var(--fg-3); border-top: 1px solid var(--line); padding-top: 0.9rem; }

.prose { max-width: 74ch; font-size: 1.06rem; }
.prose h2 { margin-top: 2.6em; scroll-margin-top: 90px; }
.prose h3 { margin-top: 2em; scroll-margin-top: 90px; }
.prose h2 + h3 { margin-top: 1.2em; }
.prose ul, .prose ol { padding-left: 1.35em; margin: 0 0 1.2em; }
.prose li { margin-bottom: 0.45em; }
.prose li::marker { color: var(--accent); }
.prose strong { color: var(--fg); font-weight: 700; }
.anchor { opacity: 0; margin-left: 0.35em; color: var(--fg-3); text-decoration: none; font-weight: 400; }
h2:hover .anchor, h3:hover .anchor { opacity: 1; }
.prose code { font-family: var(--mono); font-size: 0.87em; background: var(--bg-3); border: 1px solid var(--line); border-radius: 6px; padding: 0.1em 0.38em; }
.codeblock { position: relative; margin: 1.6em 0; border-radius: var(--radius); border: 1px solid var(--line); background: var(--bg-3); overflow: hidden; }
.codeblock::before { content: attr(data-lang); position: absolute; top: 0; right: 0; font-size: 0.68rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--fg-3); padding: 0.4rem 0.7rem; }
.codeblock pre { margin: 0; padding: 1.1rem 1.2rem; overflow-x: auto; }
.codeblock code { background: none; border: 0; padding: 0; font-size: 0.86rem; line-height: 1.6; }
blockquote { margin: 1.8em 0; padding: 0.2em 0 0.2em 1.4em; border-left: 3px solid var(--accent); color: var(--fg-2); font-style: italic; }
blockquote p:last-child { margin-bottom: 0; }
hr { border: 0; border-top: 1px solid var(--line); margin: 2.6em 0; }
.fig { margin: 2em 0; }
.fig img { border-radius: var(--radius); border: 1px solid var(--line); background: var(--bg-2); }
.fig figcaption { font-size: 0.85rem; color: var(--fg-3); margin-top: 0.7rem; text-align: center; }

.callout { margin: 1.8em 0; padding: 1.1rem 1.3rem; border-radius: var(--radius); border: 1px solid var(--line); background: var(--bg-2); border-left: 4px solid var(--accent); }
.callout p:last-child { margin-bottom: 0; }
.callout__title { display: flex; align-items: center; gap: 0.55rem; font-weight: 700; color: var(--fg); margin-bottom: 0.5rem !important; }
.callout__title svg { width: 19px; height: 19px; flex: none; fill: none; stroke: var(--accent); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.callout--tip { border-left-color: var(--ok); }
.callout--tip .callout__title svg { stroke: var(--ok); }
.callout--warn { border-left-color: var(--warn); background: color-mix(in srgb, var(--warn) 7%, var(--bg-2)); }
.callout--warn .callout__title svg { stroke: var(--warn); }
.callout--danger { border-left-color: var(--danger); background: color-mix(in srgb, var(--danger) 8%, var(--bg-2)); }
.callout--danger .callout__title svg { stroke: var(--danger); }
.callout--key { border-left-color: var(--accent-2); background: color-mix(in srgb, var(--accent-2) 7%, var(--bg-2)); }
.callout--key .callout__title svg { stroke: var(--accent-2); }

.table-wrap { overflow-x: auto; margin: 1.8em 0; border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg-2); }
table { border-collapse: collapse; width: 100%; font-size: 0.94rem; }
th, td { text-align: left; padding: 0.8rem 1rem; border-bottom: 1px solid var(--line); vertical-align: top; }
thead th { background: var(--bg-3); font-size: 0.76rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--fg-3); white-space: nowrap; }
tbody tr:last-child td { border-bottom: 0; }
.topics td:first-child { font-weight: 600; }
@media (max-width: 680px) {
  table, thead, tbody, tr, td { display: block; width: 100%; }
  thead { display: none; }
  tbody tr { border-bottom: 1px solid var(--line); padding: 0.5rem 0; }
  td { border: 0; padding: 0.35rem 1rem; }
  td::before { content: attr(data-label); display: block; font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--fg-3); }
}

.disclosure { margin-top: 3rem; padding: 1rem 1.2rem; border: 1px dashed var(--line); border-radius: var(--radius); font-size: 0.85rem; color: var(--fg-3); }
.disclosure p { margin: 0; }
.share { display: flex; align-items: center; flex-wrap: wrap; gap: 0.6rem; margin-top: 1.5rem; font-size: 0.88rem; color: var(--fg-3); }
.share a, .copylink { padding: 0.4rem 0.8rem; border: 1px solid var(--line); border-radius: 999px; text-decoration: none; color: var(--fg-2); background: var(--bg-2); font: inherit; cursor: pointer; }
.share a:hover, .copylink:hover { border-color: var(--accent); color: var(--accent); }

.pager { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin: 3.5rem 0 0; }
.pager__item { padding: 1.1rem 1.3rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg-2); text-decoration: none; color: var(--fg); }
.pager__item span { display: block; font-size: 0.74rem; text-transform: uppercase; letter-spacing: 0.12em; color: var(--fg-3); margin-bottom: 0.3rem; }
.pager__item--next { text-align: right; }
.pager__item:hover { border-color: var(--accent); }
@media (max-width: 680px) { .pager { grid-template-columns: 1fr; } .pager__item--next { text-align: left; } }

.tagcloud { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.tagchip { padding: 0.4rem 0.85rem; border-radius: 999px; border: 1px solid var(--line); background: var(--bg-2); text-decoration: none; color: var(--fg-2); font-size: 0.88rem; }
.tagchip span { color: var(--fg-3); font-size: 0.78rem; }
.tagchip:hover { border-color: var(--accent); color: var(--accent); }

/* ---------- cta + footer ---------- */
.cta { margin: clamp(3rem, 8vw, 6rem) 0 0; padding: clamp(2.5rem, 6vw, 4rem) 1.25rem; background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 16%, var(--bg-2)), color-mix(in srgb, var(--accent-2) 12%, var(--bg-2))); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.cta__inner { width: min(100%, 620px); margin-inline: auto; text-align: center; }
.cta__form { display: flex; gap: 0.6rem; margin: 1.4rem 0 0.8rem; }
.cta__form input { flex: 1; padding: 0.8rem 1rem; border-radius: 12px; border: 1px solid var(--line); background: var(--bg-2); color: var(--fg); font: inherit; }
.cta__form button { padding: 0.8rem 1.3rem; border-radius: 12px; border: 0; background: var(--fg); color: var(--bg); font-weight: 700; cursor: pointer; }
@media (max-width: 520px) { .cta__form { flex-direction: column; } }

.site-footer { border-top: 1px solid var(--line); background: var(--bg-2); padding: clamp(2.5rem, 5vw, 4rem) 0 2rem; margin-top: 0; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.4fr; gap: 2rem; }
@media (max-width: 900px) { .footer-grid { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); } }
.footer-grid h3 { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.14em; color: var(--fg-3); }
.plain { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.5rem; font-size: 0.93rem; }
.plain a { color: var(--fg-2); text-decoration: none; }
.plain a:hover { color: var(--accent); }
.footer-bottom { border-top: 1px solid var(--line); margin-top: 2.5rem; padding-top: 1.5rem; display: grid; gap: 0.4rem; }

/* ---------- search ---------- */
.search-overlay[hidden] { display: none; }
.search-overlay { position: fixed; inset: 0; z-index: 80; background: color-mix(in srgb, #05070f 70%, transparent); backdrop-filter: blur(4px); display: grid; align-items: start; justify-items: center; padding-top: 12vh; }
.search-panel { width: min(100% - 2rem, 620px); background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius-lg); box-shadow: var(--shadow); padding: 1rem; }
.search-panel input { width: 100%; padding: 0.9rem 1rem; font: inherit; font-size: 1.05rem; border-radius: 12px; border: 1px solid var(--line); background: var(--bg); color: var(--fg); }
.search-results { list-style: none; padding: 0; margin: 0.8rem 0 0; max-height: 52vh; overflow-y: auto; display: grid; gap: 0.35rem; }
.search-results a { display: block; padding: 0.7rem 0.85rem; border-radius: 11px; text-decoration: none; color: var(--fg); }
.search-results a:hover, .search-results a:focus { background: var(--bg-3); }
.search-results small { display: block; color: var(--fg-3); font-size: 0.82rem; }
.search-hint { text-align: right; margin: 0.7rem 0 0.2rem; font-size: 0.78rem; color: var(--fg-3); }