/* Cloudvita — design tokens. Dark is the brand default; light via the theme toggle. */
:root,
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0b0f14;
  --bg-alt: #0f141b;
  --surface: #121821;
  --surface-2: #18202b;
  --border: #212b38;
  --text: #e6edf3;
  --muted: #9aa7b4;
  --accent: #5ce1e6;
  --accent-ink: #062226;
  --accent-soft: rgba(92, 225, 230, .12);
  --ok: #4ade80;
  --warn: #fbbf24;
  --error: #f87171;
  --series-1: #3987e5;
  --series-2: #d95926;
  --grid: #263140;
  --shadow: 0 10px 30px rgba(0, 0, 0, .35);
}
:root[data-theme="light"] {
  color-scheme: light;
  --bg: #f6f8fb;
  --bg-alt: #eef2f7;
  --surface: #ffffff;
  --surface-2: #f3f6fa;
  --border: #dde3ea;
  --text: #0d1117;
  --muted: #57606a;
  --accent: #0b7480;
  --accent-ink: #ffffff;
  --accent-soft: rgba(11, 116, 128, .1);
  --ok: #15803d;
  --warn: #b45309;
  --error: #b91c1c;
  --series-1: #2a78d6;
  --series-2: #eb6834;
  --grid: #e3e8ee;
  --shadow: 0 10px 30px rgba(15, 23, 42, .08);
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  margin: 0; background: var(--bg); color: var(--text); line-height: 1.6;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); }
img, svg { max-width: 100%; }
h1, h2, h3, h4 { line-height: 1.15; letter-spacing: -.02em; margin: 0 0 .5em; }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); }
h3 { font-size: 1.15rem; }
code, .mono, pre { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
code { background: var(--accent-soft); color: var(--accent); padding: 1px 6px; border-radius: 6px; font-size: .9em; }
.container { width: min(1180px, 100% - 32px); margin-inline: auto; }
.muted { color: var(--muted); }
.small { font-size: .875rem; }
.eyebrow { font-family: ui-monospace, Menlo, monospace; color: var(--accent); font-size: .8rem; letter-spacing: .12em; text-transform: uppercase; margin: 0 0 10px; }
.section { padding: 88px 0; }
.section.alt { background: var(--bg-alt); border-block: 1px solid var(--border); }
.section-lead { color: var(--muted); font-size: 1.08rem; max-width: 640px; margin: 0 0 32px; }
.section-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 20px; flex-wrap: wrap; }
.skip-link { position: absolute; left: -999px; top: 8px; background: var(--accent); color: var(--accent-ink); padding: 8px 14px; border-radius: 8px; z-index: 100; }
.skip-link:focus { left: 8px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.empty { color: var(--muted); padding: 32px; text-align: center; grid-column: 1 / -1; list-style: none; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 13px 22px; border-radius: 10px;
  font: inherit; font-weight: 600; font-size: .95rem; text-decoration: none; cursor: pointer; border: 1px solid transparent;
  transition: transform .15s ease, background .15s ease, border-color .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn:disabled { opacity: .6; cursor: progress; transform: none; }
.btn-primary { background: var(--accent); color: var(--accent-ink); }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--border); }
.btn-ghost:hover { border-color: var(--accent); }
.btn-sm { padding: 9px 16px; font-size: .88rem; }
.icon-btn { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 10px; border: 1px solid var(--border); background: var(--surface); color: var(--text); cursor: pointer; }
.text-link { font-weight: 600; text-decoration: none; }
.text-link:hover { text-decoration: underline; }
.link-btn { background: none; border: 0; padding: 0; font: inherit; color: var(--muted); cursor: pointer; text-align: left; }
.link-btn:hover { color: var(--text); }

/* Announcement & header */
.announcement { background: var(--accent-soft); border-bottom: 1px solid var(--border); font-size: .9rem; padding: 8px 0; text-align: center; }
.announcement a { font-weight: 600; }
.site-header { position: sticky; top: 0; z-index: 30; background: color-mix(in srgb, var(--bg) 85%, transparent); backdrop-filter: blur(14px) saturate(160%); border-bottom: 1px solid var(--border); }
.nav { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.logo { font-weight: 800; font-size: 1.35rem; letter-spacing: .02em; color: var(--text); text-decoration: none; }
.logo-cloud { color: var(--accent); }
.nav-links { display: flex; align-items: center; gap: 26px; }
.nav-links > a:not(.btn) { color: var(--muted); text-decoration: none; font-weight: 500; font-size: .95rem; }
.nav-links > a:not(.btn):hover { color: var(--text); }
.nav-toggle { display: none; background: none; border: 0; color: var(--text); cursor: pointer; padding: 6px; }

/* Hero */
.hero {
  padding: 96px 0 88px; overflow: hidden;
  background:
    radial-gradient(700px 380px at 85% 20%, var(--accent-soft), transparent 70%),
    linear-gradient(180deg, var(--bg-alt), var(--bg));
}
.hero-grid { display: grid; grid-template-columns: 1.25fr 1fr; gap: 56px; align-items: center; }
.hero h1 { font-size: clamp(2.4rem, 5.5vw, 4rem); font-weight: 800; }
.accent { color: var(--accent); }
.lead { font-size: 1.15rem; color: var(--muted); max-width: 600px; }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; margin: 30px 0 34px; }
.trust { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 10px 22px; font-size: .9rem; color: var(--muted); }
.trust li { display: flex; align-items: center; gap: 8px; }
.trust .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }
.hero-panel { background: var(--surface); border: 1px solid var(--border); border-radius: 18px; padding: 22px; box-shadow: var(--shadow); }
.panel-row { display: flex; justify-content: space-between; gap: 12px; padding: 12px 4px; border-bottom: 1px dashed var(--border); font-size: .88rem; }
.panel-row .ok { color: var(--ok); }
.panel-row .warn { color: var(--warn); }
.panel-bars { display: flex; align-items: flex-end; gap: 10px; height: 110px; margin-top: 18px; }
.panel-bars span { flex: 1; height: var(--h); border-radius: 6px 6px 2px 2px; background: linear-gradient(180deg, var(--accent), color-mix(in srgb, var(--accent) 25%, transparent)); }

/* Cards */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 16px; }
.badge { display: inline-block; font-size: .72rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; padding: 4px 10px; border-radius: 999px; background: var(--accent); color: var(--accent-ink); }
.badge.subtle { background: var(--accent-soft); color: var(--accent); }

/* Services */
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.service { padding: 28px; display: flex; flex-direction: column; transition: border-color .2s, transform .2s; }
.service:hover { border-color: color-mix(in srgb, var(--accent) 50%, var(--border)); transform: translateY(-3px); }
.service p { color: var(--muted); margin: 0 0 14px; }
.service ul { margin: 0 0 8px; padding-left: 18px; color: var(--muted); font-size: .92rem; }
.service ul li::marker { color: var(--accent); }
.service .text-link { margin-top: auto; padding-top: 8px; }
.svc-icon { width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center; background: var(--accent-soft); margin-bottom: 18px; }
.svc-icon svg { width: 24px; height: 24px; fill: none; stroke: var(--accent); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

/* Solutions */
.solution-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 20px; margin-top: 12px; }
.solution { padding: 32px; }
.solution.featured { border-color: color-mix(in srgb, var(--accent) 45%, var(--border)); background: linear-gradient(160deg, var(--accent-soft), var(--surface) 55%); }
.solution h3 { font-size: 1.7rem; margin: 14px 0 4px; }
.checks { list-style: none; padding: 0; margin: 16px 0 24px; }
.checks li { padding-left: 26px; position: relative; margin-bottom: 10px; color: var(--muted); }
.checks li::before { content: "✓"; position: absolute; left: 0; color: var(--accent); font-weight: 700; }
.checks strong { color: var(--text); }
.process { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 48px; }
.process div { border-top: 2px solid var(--border); padding-top: 16px; }
.process .step { font-family: ui-monospace, Menlo, monospace; color: var(--accent); font-size: .85rem; }
.process h4 { margin: 6px 0; font-size: 1.05rem; }
.process p { margin: 0; color: var(--muted); font-size: .92rem; }

/* Chips, search, tabs */
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 8px 0 24px; }
.chip { font: inherit; font-size: .88rem; padding: 7px 14px; border-radius: 999px; border: 1px solid var(--border); background: var(--surface); color: var(--muted); cursor: pointer; }
.chip span { opacity: .6; margin-left: 3px; }
.chip[aria-pressed="true"] { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.search { font: inherit; padding: 10px 14px; border-radius: 10px; border: 1px solid var(--border); background: var(--surface); color: var(--text); min-width: 260px; margin-bottom: 32px; }
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin: 8px 0 28px; overflow-x: auto; scrollbar-width: none; }
.tabs [role="tab"] { font: inherit; font-weight: 600; font-size: .95rem; background: none; border: 0; color: var(--muted); padding: 12px 16px; cursor: pointer; border-bottom: 2px solid transparent; margin-bottom: -1px; white-space: nowrap; }
.tabs [role="tab"][aria-selected="true"] { color: var(--text); border-bottom-color: var(--accent); }

/* Prompt library */
.prompt-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 18px; }
.prompt { padding: 22px; display: flex; flex-direction: column; gap: 10px; align-items: flex-start; }
.prompt h3 { margin: 4px 0 0; }
.prompt p { margin: 0; font-size: .93rem; }
.prompt details { width: 100%; }
.prompt summary { cursor: pointer; font-size: .9rem; font-weight: 600; color: var(--accent); }
.prompt pre { white-space: pre-wrap; font-size: .82rem; line-height: 1.55; background: var(--surface-2); border: 1px solid var(--border); border-radius: 10px; padding: 14px; margin: 10px 0 0; max-height: 260px; overflow: auto; }
.prompt mark { background: var(--accent-soft); color: var(--accent); border-radius: 4px; padding: 0 2px; }
.prompt .copy { margin-top: auto; }
.disclaimer { margin-top: 24px; }

/* Blog & feeds */
.blog-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 20px; }
.post-card { padding: 24px; text-align: left; font: inherit; color: inherit; cursor: pointer; display: flex; flex-direction: column; gap: 10px; }
.post-card:hover { border-color: var(--accent); }
.post-card h3 { margin: 0; font-size: 1.2rem; }
.post-card p { margin: 0; }
.tags { display: flex; flex-wrap: wrap; gap: 6px; }
.meta { color: var(--muted); font-size: .85rem; margin: 0; }
.feed { list-style: none; margin: 0; padding: 0; }
.feed-item { display: grid; grid-template-columns: 130px 1fr; gap: 20px; padding: 20px 0; border-bottom: 1px solid var(--border); }
.feed-item time { color: var(--muted); font-size: .88rem; font-family: ui-monospace, Menlo, monospace; padding-top: 2px; }
.feed-item h3 { margin: 0 0 4px; font-size: 1.05rem; }
.feed-item h3 a { color: var(--text); text-decoration: none; }
.feed-item h3 a:hover { color: var(--accent); }
.feed-item p { margin: 0 0 6px; }
.post-dialog { width: min(760px, calc(100% - 32px)); max-height: 88vh; padding: 44px; border-radius: 18px; border: 1px solid var(--border); background: var(--surface); color: var(--text); box-shadow: 0 30px 80px rgba(0, 0, 0, .45); }
.post-dialog::backdrop { background: rgba(5, 8, 12, .65); backdrop-filter: blur(4px); }
.post-dialog .close { position: absolute; top: 16px; right: 16px; }
.post-dialog h2 { margin-top: 14px; }
.post-dialog h3 { margin-top: 1.6em; }
.post-dialog li { margin-bottom: 6px; }

/* CPI tracker */
.cpi-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 12px; flex-wrap: wrap; margin-bottom: 18px; }
.cpi-head h3 { margin: 0 0 4px; font-size: 1.3rem; }
.cpi-head p { margin: 0; }
.stat-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 18px; }
.stat { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 18px 20px; display: flex; flex-direction: column; gap: 4px; }
.stat-label { color: var(--muted); font-size: .85rem; }
.stat-value { font-size: 2rem; font-weight: 800; letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.viz-root { padding: 20px 20px 12px; }
.legend { display: flex; gap: 20px; font-size: .88rem; color: var(--muted); margin-bottom: 6px; }
.legend span, .tooltip span { display: inline-flex; align-items: center; gap: 7px; }
.sw { display: inline-block; width: 14px; height: 3px; border-radius: 2px; }
.sw.s1 { background: var(--series-1); }
.sw.s2 { background: var(--series-2); }
.chart-wrap { position: relative; }
#cpiChart { width: 100%; display: block; overflow: visible; }
#cpiChart .grid { stroke: var(--grid); stroke-width: 1; }
#cpiChart .grid.zero { stroke: var(--muted); stroke-opacity: .5; }
#cpiChart .axis { fill: var(--muted); font-size: 11px; font-variant-numeric: tabular-nums; }
#cpiChart .line { fill: none; stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
#cpiChart .line.s1 { stroke: var(--series-1); }
#cpiChart .line.s2 { stroke: var(--series-2); }
#cpiChart .end, #cpiChart .hover { stroke: var(--surface); stroke-width: 2; }
#cpiChart .s1.end, #cpiChart .s1.hover { fill: var(--series-1); }
#cpiChart .s2.end, #cpiChart .s2.hover { fill: var(--series-2); }
#cpiChart .dlabel { fill: var(--text); font-size: 12px; font-weight: 600; font-variant-numeric: tabular-nums; }
#cpiChart .gap { stroke: var(--grid); stroke-dasharray: 3 4; }
#cpiChart .crosshair { stroke: var(--muted); stroke-opacity: .6; stroke-dasharray: 3 3; }
#cpiChart .hit { fill: transparent; cursor: crosshair; }
.tooltip { position: absolute; top: 0; transform: translateX(-50%); background: var(--surface-2); border: 1px solid var(--border); border-radius: 10px; padding: 10px 12px; font-size: .82rem; display: flex; flex-direction: column; gap: 3px; pointer-events: none; box-shadow: var(--shadow); white-space: nowrap; }
.tooltip b { font-variant-numeric: tabular-nums; margin-left: 4px; }
.table-view { margin-top: 10px; border-top: 1px solid var(--border); padding-top: 10px; }
.table-view summary { cursor: pointer; font-size: .9rem; font-weight: 600; color: var(--accent); }
.table-scroll { max-height: 320px; overflow: auto; margin-top: 10px; }
.table-view table { width: 100%; border-collapse: collapse; font-size: .88rem; font-variant-numeric: tabular-nums; }
.table-view th, .table-view td { padding: 8px 10px; border-bottom: 1px solid var(--border); text-align: right; }
.table-view th:first-child, .table-view td:first-child { text-align: left; }
.table-view thead th { color: var(--muted); font-weight: 600; position: sticky; top: 0; background: var(--surface); }

/* About */
.about-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: 48px; align-items: start; }
.about-grid p { color: var(--muted); font-size: 1.05rem; }
.about-grid p strong { color: var(--text); }
.about-card { padding: 28px; }
.facts { margin: 0 0 18px; }
.facts div { display: grid; grid-template-columns: 120px 1fr; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--border); }
.facts dt { color: var(--muted); font-size: .88rem; }
.facts dd { margin: 0; font-weight: 600; font-size: .93rem; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 48px; align-items: start; }
.contact-points { list-style: none; padding: 0; margin: 0; }
.contact-points li { padding: 10px 0 10px 28px; position: relative; color: var(--muted); }
.contact-points li::before { content: "→"; position: absolute; left: 0; color: var(--accent); }
.contact-form { padding: 30px; display: grid; gap: 16px; }
.contact-form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.contact-form label { display: grid; gap: 6px; font-size: .88rem; font-weight: 600; }
.contact-form input:not([type="checkbox"]), .contact-form select, .contact-form textarea {
  width: 100%; font: inherit; font-weight: 400; padding: 12px 14px; border-radius: 10px; border: 1px solid var(--border); background: var(--bg); color: var(--text);
}
.contact-form textarea { resize: vertical; }
.contact-form.validated :invalid { border-color: var(--error); }
.contact-form .consent { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; color: var(--muted); }
.contact-form .consent input { margin-top: 4px; accent-color: var(--accent); width: 16px; height: 16px; flex-shrink: 0; }
.contact-form.validated .consent input:invalid { outline: 2px solid var(--error); }
.contact-form .btn { justify-self: start; }
.hp { position: absolute; left: -9999px; opacity: 0; width: 1px; height: 1px; }
.form-status { margin: 0; font-size: .93rem; }
.form-status:empty { display: none; }
.form-status.success { color: var(--ok); background: color-mix(in srgb, var(--ok) 12%, transparent); padding: 12px 14px; border-radius: 10px; }
.form-status.error { color: var(--error); }

/* Footer */
.site-footer { padding: 48px 0 28px; border-top: 1px solid var(--border); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 32px; }
.footer-grid nav { display: flex; flex-direction: column; gap: 8px; font-size: .93rem; }
.footer-grid nav a { color: var(--muted); text-decoration: none; }
.footer-grid nav a:hover { color: var(--text); }
.copyright { border-top: 1px solid var(--border); margin-top: 32px; padding-top: 20px; }

/* Cookie banner */
.cookie-banner {
  position: fixed; left: 16px; right: 16px; bottom: 16px; z-index: 60; max-width: 980px; margin-inline: auto;
  background: var(--surface); border: 1px solid var(--border); border-radius: 16px; box-shadow: 0 20px 60px rgba(0, 0, 0, .4);
  padding: 20px 22px; display: flex; gap: 20px; align-items: flex-end; justify-content: space-between; flex-wrap: wrap;
}
.cookie-text { flex: 1 1 420px; font-size: .9rem; }
.cookie-text p { margin: 6px 0 0; color: var(--muted); }
.cookie-prefs { margin-top: 12px; display: grid; gap: 10px; }
.pref { display: flex; gap: 10px; align-items: flex-start; color: var(--muted); }
.pref input { margin-top: 4px; accent-color: var(--accent); }
.pref strong { color: var(--text); }
.cookie-actions { display: flex; gap: 8px; flex-wrap: wrap; }

/* Responsive */
@media (max-width: 960px) {
  .hero-grid, .solution-grid, .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .hero-panel { max-width: 520px; }
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .process { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 860px) {
  .nav-toggle { display: block; }
  .nav-links {
    display: none; position: absolute; top: 68px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 4px;
    padding: 12px 16px 20px; background: var(--surface); border-bottom: 1px solid var(--border);
  }
  .nav-links.open { display: flex; }
  .nav-links > a:not(.btn) { padding: 10px 0; }
  .nav-links .icon-btn { margin: 6px 0; }
}
@media (max-width: 640px) {
  .section { padding: 64px 0; }
  .hero { padding: 64px 0; }
  .service-grid, .process, .stat-row, .contact-form .row, .footer-grid { grid-template-columns: 1fr; }
  .prompt-grid, .blog-grid { grid-template-columns: 1fr; }
  .search { width: 100%; min-width: 0; margin-bottom: 16px; }
  .feed-item { grid-template-columns: 1fr; gap: 4px; }
  .post-dialog { padding: 30px 20px; }
  .contact-form { padding: 20px; }
  .cookie-banner { left: 8px; right: 8px; bottom: 8px; padding: 16px; }
  .cookie-actions .btn { flex: 1 1 auto; }
  .stat-value { font-size: 1.6rem; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}
@media (forced-colors: active) {
  #cpiChart .line.s2 { stroke-dasharray: 6 3; }
}