/* Clarix — clarix.mu
   Fonts: Space Grotesk (display), IBM Plex Sans (body), IBM Plex Mono (labels) */

:root {
  --ink: #0b0d10;
  --ink-2: #21272f;
  --body: #3f4854;
  --muted: #5c6672;
  --faint: #8b939d;
  --line: rgba(11,13,16,0.10);
  --paper: #ffffff;
  --wash: #f6f8fa;
  --blue: #3b6fb6;
  --blue-ink: #2f63a8;
  --cyan: #29b8e5;
  --cyan-ink: #1596c2;
  --display: 'Space Grotesk', system-ui, sans-serif;
  --sans: 'IBM Plex Sans', system-ui, sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; }

a { color: var(--blue-ink); text-decoration: none; }
a:hover { color: var(--cyan-ink); }

::selection { background: var(--cyan); color: #04252f; }

h1, h2, h3 { font-family: var(--display); font-weight: 500; letter-spacing: -0.03em; margin: 0; text-wrap: pretty; }
h1 { font-size: clamp(38px, 5.4vw, 68px); line-height: 1.03; letter-spacing: -0.035em; }
h2 { font-size: clamp(30px, 3.6vw, 42px); }
h3 { font-size: 21px; letter-spacing: -0.02em; }
p { margin: 0; }

.wrap { max-width: 1240px; margin: 0 auto; padding: 0 40px; }
.section { padding: 92px 0; }
.section--tight { padding: 60px 0; }
.wash { background: var(--wash); border-top: 1px solid var(--line); }
.dark { background: var(--ink); color: #fff; }
.dark h1, .dark h2, .dark h3 { color: #fff; }
.dark p { color: #b3bcc6; }
.dark a { color: #d3dae1; }
.dark a:hover { color: var(--cyan); }

.label { font-family: var(--mono); font-size: 12.5px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--faint); }
.num { font-family: var(--mono); font-size: 11.5px; color: var(--blue); }
.mono { font-family: var(--mono); }
.lead { font-size: clamp(17px, 1.5vw, 19.5px); line-height: 1.62; color: var(--body); }
.small { font-size: 15px; line-height: 1.6; color: var(--muted); }

/* ---- header ---- */
.site-head {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,0.88);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.site-head__inner { display: flex; align-items: center; gap: 36px; height: 82px; }
.site-head__logo img { height: 34px; width: auto; display: block; }
.site-nav { display: flex; align-items: center; gap: 28px; margin-left: auto; font-size: 15px; }
.site-nav a { flex-shrink: 0; white-space: nowrap; }
.site-nav a:not(.btn):not(.sub) { color: var(--ink); padding: 6px 0; border-bottom: 1px solid transparent; }
.site-nav a:not(.btn):not(.sub):hover,
.site-nav a:not(.btn):not(.sub)[aria-current="page"] { border-bottom-color: var(--blue); color: var(--ink); }
.site-nav a.sub { font-family: var(--mono); font-size: 13px; display: flex; align-items: center; gap: 7px; border: 0; color: var(--blue-ink); }
.site-nav .sub .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--blue); }
.site-nav a.sub--ai { color: var(--cyan-ink); }
.site-nav .btn--dark { color: #fff; }
.site-nav .btn--blue { color: #fff; }
.site-nav .btn--cyan { color: #04252f; }
.site-nav .btn { padding: 11px 20px; }
.site-nav .sub--ai .dot { background: var(--cyan); }
.divider { width: 1px; height: 22px; background: var(--line); }
.nav-toggle { display: none; }

/* ---- buttons ---- */
.btn {
  display: inline-block; padding: 16px 30px; border-radius: 3px;
  font-size: 15.5px; font-weight: 500; border: 1px solid transparent;
  cursor: pointer; font-family: var(--sans);
  white-space: nowrap; flex-shrink: 0;
}
.btn--sm { padding: 11px 20px; font-size: 14px; }
.btn--dark { background: var(--ink); color: #fff; }
.btn--dark:hover { background: var(--blue); color: #fff; }
.btn--blue { background: var(--blue); color: #fff; }
.btn--blue:hover { background: var(--ink); color: #fff; }
.btn--cyan { background: var(--cyan); color: #04252f; font-weight: 600; }
.btn--cyan:hover { background: #fff; color: #07090c; }
.btn--ghost { border-color: rgba(11,13,16,0.18); color: var(--ink); }
.btn--ghost:hover { border-color: var(--ink); background: var(--wash); }
.btn-row { display: flex; gap: 14px; flex-wrap: wrap; }

/* ---- layout helpers ---- */
.grid { display: grid; gap: 26px; }
.g2 { grid-template-columns: 1fr 1fr; }
.g3 { grid-template-columns: repeat(3, 1fr); }
.g4 { grid-template-columns: repeat(4, 1fr); }
.split { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 72px; }
.split--even { grid-template-columns: 1fr 1fr; }
.stack { display: flex; flex-direction: column; gap: 26px; }
.rule { height: 1px; background: var(--line); border: 0; margin: 0; }

/* hairline grid of cards */
.cells {
  display: grid; gap: 1px; background: var(--line);
  border: 1px solid var(--line); border-radius: 5px; overflow: hidden;
}
.cells--3 { grid-template-columns: repeat(3, 1fr); }
.cells--2 { grid-template-columns: 1fr 1fr; }
.cell { background: var(--paper); padding: 34px; }
.cell:hover { background: var(--wash); }
.cell h3 { margin-bottom: 10px; }
.cell p { font-size: 15.5px; line-height: 1.6; color: var(--muted); }
.cell .detail { font-family: var(--mono); font-size: 12.5px; color: var(--faint); margin-top: 16px; }
.dark .cells { background: rgba(255,255,255,0.14); border-color: rgba(255,255,255,0.14); }
.dark .cell { background: var(--ink); }
.dark .cell:hover { background: #14181e; }
.dark .num { color: var(--cyan); }

.card { border: 1px solid var(--line); border-radius: 5px; padding: 38px; background: var(--paper); }
.card--wash { background: var(--wash); }

.stat { font-family: var(--display); font-size: 30px; letter-spacing: -0.03em; }

/* image placeholders — replace with real photography */
.ph {
  background-image: repeating-linear-gradient(135deg, #eef1f4 0 10px, #e5e9ee 10px 20px);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--mono); font-size: 11.5px; color: var(--faint);
  border-radius: 4px; text-align: center; padding: 12px;
}
.dark .ph { background-image: repeating-linear-gradient(135deg, #171b21 0 12px, #1e232b 12px 24px); color: #6f7883; }

/* ---- blog ---- */
.post-card { display: flex; flex-direction: column; border: 1px solid var(--line); border-radius: 5px; overflow: hidden; background: var(--paper); color: var(--ink); }
.post-card:hover { border-color: var(--blue); color: var(--ink); box-shadow: 0 18px 40px -30px rgba(11,13,16,0.4); }
.post-card .ph { height: 150px; border-radius: 0; }
.post-card__body { padding: 28px; display: flex; flex-direction: column; gap: 12px; flex: 1; }
.post-meta { display: flex; gap: 10px; flex-wrap: wrap; font-family: var(--mono); font-size: 11.5px; color: var(--faint); }
.post-meta .cat { color: var(--blue-ink); }
.post-card h2, .post-card h3 { font-size: 21px; line-height: 1.26; }
.post-card p { font-size: 15px; line-height: 1.58; color: var(--muted); }
.post-card .more { margin-top: auto; padding-top: 14px; font-size: 14.5px; color: var(--blue-ink); font-weight: 500; }

.filters { display: flex; gap: 8px; flex-wrap: wrap; }
.filters button {
  font-family: var(--mono); font-size: 12.5px; padding: 9px 16px; border-radius: 100px;
  border: 1px solid rgba(11,13,16,0.15); background: #fff; color: var(--body); cursor: pointer;
}
.filters button:hover { border-color: var(--ink); }
.filters button[aria-pressed="true"] { background: var(--ink); color: #fff; border-color: var(--ink); }

.article { max-width: 760px; margin: 0 auto; padding: 82px 40px 40px; }
.article h1 { font-size: clamp(32px, 4vw, 46px); line-height: 1.08; letter-spacing: -0.03em; }
.article h2 { font-size: 27px; letter-spacing: -0.025em; margin: 44px 0 14px; }
.article p { font-size: 17.5px; line-height: 1.72; color: var(--ink-2); margin-bottom: 26px; }
.article .lead { font-size: 20px; color: var(--body); margin-bottom: 36px; }
.article blockquote {
  margin: 34px 0; padding: 22px 26px; border-left: 2px solid var(--blue);
  background: var(--wash); font-family: var(--display); font-size: 18.5px; line-height: 1.6; color: var(--ink-2);
}
.byline { display: flex; align-items: center; gap: 14px; padding: 20px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); margin-bottom: 44px; }
.byline .ph { width: 40px; height: 40px; border-radius: 50%; flex-shrink: 0; }

/* ---- forms ---- */
form label { display: flex; flex-direction: column; gap: 9px; }
form label > span { font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
input, textarea, select {
  padding: 14px 16px; border: 1px solid rgba(11,13,16,0.18); border-radius: 3px;
  font-family: var(--sans); font-size: 15.5px; background: #fff; color: var(--ink); width: 100%;
}
input:focus, textarea:focus, select:focus { border-color: var(--blue); outline: none; }
textarea { line-height: 1.55; resize: vertical; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }

/* ---- footer ---- */
.site-foot { margin-top: auto; background: var(--ink); color: #fff; }
.site-foot__cols { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 48px; padding: 72px 0 40px; }
.site-foot img { height: 40px; width: auto; display: block; margin-bottom: 22px; filter: invert(1) brightness(2); }
.site-foot h4 { font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.1em; text-transform: uppercase; color: #6f7883; margin: 0 0 18px; font-weight: 400; }
.site-foot .links { display: flex; flex-direction: column; gap: 11px; font-size: 15px; }
.site-foot p { font-size: 15px; line-height: 1.65; color: #9aa4af; }
.site-foot__bar {
  border-top: 1px solid rgba(255,255,255,0.1); padding: 26px 0 44px;
  display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap;
  font-size: 13.5px; color: #6f7883;
}
.site-foot__bar a { color: #6f7883; }
.site-foot__bar .legal { display: flex; gap: 22px; }

/* ---- division sites ---- */
.pill { font-family: var(--mono); font-size: 12.5px; padding: 5px 11px; border-radius: 100px; border: 1px solid rgba(59,111,182,0.3); color: var(--blue-ink); }
.it-hero { background: linear-gradient(180deg, #f4f8fd 0%, #ffffff 100%); border-bottom: 1px solid var(--line); }
.checklist { display: flex; flex-direction: column; gap: 14px; font-size: 15.5px; color: var(--ink-2); }
.checklist div { display: flex; gap: 12px; align-items: baseline; }
.checklist .tick { color: var(--blue); }

.ai-site { background: #07090c; color: #fff; }
.ai-site h1, .ai-site h2, .ai-site h3 { color: #fff; }
.ai-site p { color: #b3bcc6; }
.ai-site a { color: #e6eaee; }
.ai-site a:hover { color: var(--cyan); }
.ai-site .site-head { background: rgba(7,9,12,0.82); border-bottom-color: rgba(255,255,255,0.1); }
.ai-site .site-nav a { color: #e6eaee; }
.ai-site .site-nav a:hover { color: var(--cyan); border-bottom-color: var(--cyan); }
.ai-site .pill { color: var(--cyan); border-color: rgba(41,184,229,0.35); }
.ai-site .label, .ai-site .num { color: var(--cyan); }
.ai-site .cells { background: rgba(255,255,255,0.14); border-color: rgba(255,255,255,0.14); }
.ai-site .cell { background: #07090c; }
.ai-site .cell:hover { background: #0d1218; }
.ai-site .cell p { color: #b3bcc6; }
.ai-site .cell .detail { color: #7a848f; }
.ai-site .card { background: transparent; border-color: rgba(255,255,255,0.14); }
.ai-site .card--wash { background: #0d1218; }
.ai-site .small { color: #9aa4af; }
.ai-site .site-foot { background: #04060a; border-top: 1px solid rgba(255,255,255,0.1); }
.ai-site .logo-invert { filter: invert(1) brightness(2); }
.ai-site .btn--ghost { border-color: rgba(255,255,255,0.22); color: #fff; }
.ai-site .btn--ghost:hover { border-color: var(--cyan); color: var(--cyan); background: transparent; }
.step { border-top: 2px solid rgba(255,255,255,0.2); padding-top: 24px; }
.step--on { border-top-color: var(--cyan); }
.beam { width: 46px; height: 1px; background: linear-gradient(90deg, var(--blue), var(--cyan)); display: inline-block; vertical-align: middle; margin-right: 14px; animation: beam 5s ease-in-out infinite; transform-origin: left; }
@keyframes beam { 0%,100% { opacity: .25; transform: scaleX(.6); } 50% { opacity: .8; transform: scaleX(1); } }

/* ---- responsive ---- */
@media (max-width: 1100px) {
  .split, .split--even { grid-template-columns: 1fr; gap: 44px; }
  .g4, .cells--3 { grid-template-columns: repeat(2, 1fr); }
  .site-foot__cols { grid-template-columns: 1fr 1fr; gap: 36px; }

  /* nav has no room for the full row below this width — switch to the menu button */
  .site-nav { display: none; }
  .site-nav.open {
    display: flex; flex-direction: column; align-items: flex-start; gap: 18px;
    position: absolute; left: 0; right: 0; top: 100%; margin: 0;
    background: #fff; border-bottom: 1px solid var(--line); padding: 24px; z-index: 60;
  }
  .ai-site .site-nav.open { background: #07090c; }
  .nav-toggle {
    display: block; margin-left: auto; background: none; border: 1px solid var(--line);
    border-radius: 3px; padding: 9px 13px; font-family: var(--mono); font-size: 12.5px;
    cursor: pointer; color: inherit;
  }
  .ai-site .nav-toggle { border-color: rgba(255,255,255,0.2); }
  .site-head__inner { position: relative; }
}
@media (max-width: 860px) {
  .wrap { padding: 0 24px; }
  .section { padding: 64px 0; }
  .g2, .g3, .cells--2, .field-row { grid-template-columns: 1fr; }
  .site-head__inner { height: 68px; gap: 16px; }
  .cells--3, .g4 { grid-template-columns: 1fr; }
  .article { padding: 56px 24px 30px; }
  .site-foot__cols { grid-template-columns: 1fr; padding: 52px 0 32px; }
}

/* ---- long-form article extras ---- */
.article h3 { font-size: 20.5px; letter-spacing: -0.015em; margin: 32px 0 10px; }
.article ul, .article ol { margin: 0 0 26px; padding-left: 21px; }
.article li { font-size: 17.5px; line-height: 1.68; color: var(--ink-2); margin-bottom: 10px; }
.article li::marker { color: var(--muted); }
.article li strong { color: var(--ink); font-weight: 600; }
.article a { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; text-decoration-color: rgba(11,13,16,0.3); }
.article a:hover { color: var(--blue); text-decoration-color: var(--blue); }
.article table { width: 100%; border-collapse: collapse; margin: 4px 0 32px; }
.article th, .article td { text-align: left; padding: 12px 14px 12px 0; border-bottom: 1px solid var(--line); font-size: 16px; line-height: 1.5; color: var(--ink-2); vertical-align: top; }
.article th { font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); font-weight: 400; }
.article .takeaways { background: var(--wash); border: 1px solid var(--line); border-radius: 5px; padding: 26px 28px 6px; margin: 0 0 40px; }
.article .takeaways .label { margin-bottom: 14px; }
.article .takeaways ul { margin-bottom: 20px; }
.article .takeaways li { font-size: 16.5px; }
.article .faq h3 { font-size: 18.5px; margin: 30px 0 8px; }
.article .sources { margin-top: 52px; padding-top: 24px; border-top: 1px solid var(--line); }
.article .sources .label { margin-bottom: 12px; }
.article .sources li { font-size: 14.5px; color: var(--muted); line-height: 1.55; margin-bottom: 7px; }
.article .sources a { color: var(--muted); }