/* =========================================================================
   SiteSonar — public marketing site + auth (landing, features, why, about,
   login, register). Built on the Fleet Console design tokens in sitesonar.css
   (load that FIRST), so light/dark theming is automatic via [data-theme].
   Prefix: .site-*  ·  buttons: .site-btn  ·  reveal anim: .reveal
   ========================================================================= */

:root {
  --site-max: 1180px;
  --site-nav-h: 66px;
  --grad-brand: linear-gradient(135deg, var(--brand), var(--brand-2));
  --grad-soft: linear-gradient(135deg,
      color-mix(in srgb, var(--brand) 16%, transparent),
      color-mix(in srgb, var(--brand-2) 16%, transparent));
}

/* --------------------------------- base ---------------------------------- */
.site-body { overflow-x: hidden; }
.site-body * { box-sizing: border-box; }
.site-main { display: block; }
a { color: inherit; }

.site-wrap { max-width: var(--site-max); margin: 0 auto; padding: 0 22px; }

.site-eyebrow {
  font-family: var(--font-mono);
  font-size: 11.5px; letter-spacing: .14em; text-transform: uppercase;
  font-weight: 600; color: var(--brand);
  display: inline-flex; align-items: center; gap: 8px; margin: 0 0 14px;
}
.site-eyebrow::before { content: ""; width: 18px; height: 1px; background: var(--brand); opacity: .7; }

.site-h1 { font-size: clamp(34px, 5.4vw, 60px); line-height: 1.04; letter-spacing: -.02em; font-weight: 800; margin: 0 0 18px; color: var(--text); }
.site-h2 { font-size: clamp(26px, 3.6vw, 40px); line-height: 1.1; letter-spacing: -.02em; font-weight: 800; margin: 0 0 14px; color: var(--text); }
.site-h3 { font-size: 18px; font-weight: 700; margin: 0 0 8px; color: var(--text); letter-spacing: -.01em; }
.site-lead { font-size: clamp(15px, 1.6vw, 18.5px); line-height: 1.6; color: var(--text-2); margin: 0 0 26px; max-width: 60ch; }
.site-grad-text { background: var(--grad-brand); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent; }
.site-center { text-align: center; }
.site-center .site-lead, .site-center .site-eyebrow { margin-left: auto; margin-right: auto; }

/* --------------------------------- buttons ------------------------------- */
.site-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  font-size: 14px; font-weight: 600; line-height: 1;
  padding: 12px 18px; border-radius: 11px; cursor: pointer;
  border: 1px solid var(--border); background: var(--surface); color: var(--text);
  text-decoration: none; white-space: nowrap;
  transition: transform .15s ease, box-shadow .2s ease, background-color .2s ease, border-color .2s ease, filter .15s ease;
}
.site-btn:hover { transform: translateY(-1px); box-shadow: var(--shadow); text-decoration: none; }
.site-btn:active { transform: translateY(0); }
.site-btn.primary { background: var(--grad-brand); border-color: transparent; color: #fff; box-shadow: 0 6px 20px color-mix(in srgb, var(--brand) 35%, transparent); }
.site-btn.primary:hover { filter: brightness(1.06); box-shadow: 0 10px 28px color-mix(in srgb, var(--brand) 42%, transparent); }
.site-btn.ghost { background: transparent; border-color: transparent; color: var(--text-2); }
.site-btn.ghost:hover { background: var(--surface-2); box-shadow: none; }
.site-btn.outline { background: transparent; }
.site-btn.lg { padding: 15px 26px; font-size: 15.5px; border-radius: 13px; }
.site-btn.block { width: 100%; }

/* ------------------------------- top nav --------------------------------- */
.site-nav {
  position: sticky; top: 0; z-index: 60;
  height: var(--site-nav-h);
  display: flex; align-items: center;
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .25s ease, background-color .25s ease, box-shadow .25s ease;
}
.site-nav.scrolled { border-bottom-color: var(--border-2); box-shadow: var(--shadow); }
.site-nav-inner { max-width: var(--site-max); margin: 0 auto; padding: 0 22px; width: 100%; display: flex; align-items: center; gap: 20px; }
.site-brand { display: inline-flex; align-items: center; gap: 11px; text-decoration: none; flex: none; }
.site-brand-mark {
  width: 36px; height: 36px; border-radius: 10px; display: grid; place-items: center;
  background: var(--grad-brand); color: #fff; font-size: 17px;
  box-shadow: 0 4px 14px color-mix(in srgb, var(--brand) 38%, transparent);
}
.site-brand-mark img { width: 24px; height: 24px; object-fit: contain; }
.site-brand-name { font-weight: 800; font-size: 18px; letter-spacing: -.02em; color: var(--text); }
.site-nav-links { display: flex; align-items: center; gap: 4px; margin-left: 10px; }
.site-nav-links a {
  text-decoration: none; color: var(--text-2); font-weight: 600; font-size: 14px;
  padding: 8px 12px; border-radius: 9px; transition: background-color .15s ease, color .15s ease;
}
.site-nav-links a:hover, .site-nav-links a.active { color: var(--text); background: var(--surface-2); }
.site-nav-actions { margin-left: auto; display: flex; align-items: center; gap: 9px; }
.site-iconbtn {
  width: 38px; height: 38px; border-radius: 10px; flex: none;
  display: inline-grid; place-items: center; cursor: pointer;
  background: var(--surface); border: 1px solid var(--border); color: var(--text-2);
  transition: background-color .15s ease, color .15s ease, border-color .15s ease;
}
.site-iconbtn:hover { color: var(--text); border-color: var(--rule); }
.site-burger { display: none; }

/* mobile menu */
.site-mobile { display: none; }
@media (max-width: 880px) {
  .site-nav-links, .site-nav-actions .site-nav-desktop { display: none; }
  .site-burger { display: inline-grid; }
  .site-mobile {
    display: block; position: fixed; inset: var(--site-nav-h) 0 auto 0; z-index: 55;
    background: var(--surface); border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
    transform: translateY(-12px); opacity: 0; pointer-events: none;
    transition: transform .22s ease, opacity .22s ease;
  }
  .site-mobile.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .site-mobile a { display: block; padding: 14px 22px; text-decoration: none; color: var(--text); font-weight: 600; border-top: 1px solid var(--border-2); }
  .site-mobile .site-mobile-cta { padding: 16px 22px; display: grid; gap: 10px; }
}

/* --------------------------------- hero ---------------------------------- */
.site-hero { position: relative; padding: clamp(56px, 9vw, 104px) 0 clamp(48px, 7vw, 88px); overflow: hidden; }
.site-hero-bg { position: absolute; inset: 0; z-index: 0; pointer-events: none; overflow: hidden; }
.site-hero-bg::before { /* gradient mesh */
  content: ""; position: absolute; inset: -20% -10% auto -10%; height: 120%;
  background:
    radial-gradient(60% 60% at 78% 8%, color-mix(in srgb, var(--brand-2) 24%, transparent) 0%, transparent 60%),
    radial-gradient(55% 55% at 12% 22%, color-mix(in srgb, var(--brand) 22%, transparent) 0%, transparent 60%);
  filter: blur(8px); opacity: .9;
  animation: site-mesh 18s ease-in-out infinite alternate;
}
.site-hero-bg::after { /* dot grid */
  content: ""; position: absolute; inset: 0;
  background-image: radial-gradient(color-mix(in srgb, var(--muted-fg) 38%, transparent) 1px, transparent 1px);
  background-size: 30px 30px;
  -webkit-mask-image: radial-gradient(80% 70% at 50% 30%, #000 0%, transparent 75%);
          mask-image: radial-gradient(80% 70% at 50% 30%, #000 0%, transparent 75%);
  opacity: .4;
}
.site-hero-inner { position: relative; z-index: 1; max-width: var(--site-max); margin: 0 auto; padding: 0 22px;
  display: grid; grid-template-columns: 1.05fr .95fr; gap: 44px; align-items: center; }
.site-hero-copy { max-width: 600px; }
.site-pill {
  display: inline-flex; align-items: center; gap: 8px; margin-bottom: 22px;
  font-size: 12.5px; font-weight: 600; color: var(--text-2);
  background: var(--surface); border: 1px solid var(--border); border-radius: 999px; padding: 6px 13px 6px 8px;
  box-shadow: var(--shadow);
}
.site-pill .tag { font-family: var(--font-mono); font-size: 10px; letter-spacing: .06em; text-transform: uppercase; font-weight: 700;
  color: var(--brand); background: var(--ok-bg); border-radius: 999px; padding: 3px 8px; }
.site-hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 4px; }
.site-hero-note { margin-top: 18px; font-size: 13px; color: var(--muted-fg); display: flex; align-items: center; gap: 8px; }
.site-hero-note i { color: var(--ok); }

/* sonar radar visual */
.site-hero-visual { position: relative; display: grid; place-items: center; min-height: 360px; }
.sonar { position: relative; width: min(380px, 80vw); aspect-ratio: 1; }
.sonar-rings { position: absolute; inset: 0; border-radius: 50%;
  background:
    radial-gradient(circle, transparent 0 32%, color-mix(in srgb, var(--brand) 14%, transparent) 32% 32.4%, transparent 32.4%),
    radial-gradient(circle, transparent 0 56%, color-mix(in srgb, var(--brand) 11%, transparent) 56% 56.3%, transparent 56.3%),
    radial-gradient(circle, transparent 0 80%, color-mix(in srgb, var(--brand) 9%, transparent) 80% 80.3%, transparent 80.3%);
  border: 1px solid color-mix(in srgb, var(--brand) 22%, transparent);
}
.sonar-rings::after { content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, transparent calc(50% - .5px), color-mix(in srgb, var(--brand) 16%, transparent) 50%, transparent calc(50% + .5px)),
              linear-gradient(0deg, transparent calc(50% - .5px), color-mix(in srgb, var(--brand) 16%, transparent) 50%, transparent calc(50% + .5px)); }
.sonar-sweep { position: absolute; inset: 0; border-radius: 50%; overflow: hidden;
  -webkit-mask: radial-gradient(circle, #000 0 80%, transparent 80%); mask: radial-gradient(circle, #000 0 80%, transparent 80%); }
.sonar-sweep::before { content: ""; position: absolute; inset: 0;
  background: conic-gradient(from 0deg, color-mix(in srgb, var(--brand) 42%, transparent), transparent 38%);
  animation: site-sweep 4.5s linear infinite; transform-origin: center; }
.sonar-ping { position: absolute; inset: 0; margin: auto; width: 12%; aspect-ratio: 1; border-radius: 50%;
  border: 1.5px solid var(--brand); opacity: 0; animation: site-ping 3.6s ease-out infinite; }
.sonar-ping.d2 { animation-delay: 1.2s; }
.sonar-ping.d3 { animation-delay: 2.4s; }
.sonar-core { position: absolute; inset: 0; margin: auto; width: 14px; height: 14px; border-radius: 50%;
  background: var(--grad-brand); box-shadow: 0 0 0 6px color-mix(in srgb, var(--brand) 22%, transparent), 0 0 22px var(--brand); }
.sonar-blip { position: absolute; width: 9px; height: 9px; border-radius: 50%; background: var(--brand);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--brand) 26%, transparent); animation: site-blip 2.4s ease-in-out infinite; }
.sonar-blip.crit { background: var(--crit); box-shadow: 0 0 0 4px color-mix(in srgb, var(--crit) 26%, transparent); }
.sonar-blip.warn { background: var(--warn); box-shadow: 0 0 0 4px color-mix(in srgb, var(--warn) 26%, transparent); }

/* floating live metric chips around the radar */
.site-chip {
  position: absolute; z-index: 2; display: flex; align-items: center; gap: 10px;
  background: var(--surface); border: 1px solid var(--border); border-radius: 12px;
  padding: 9px 12px; box-shadow: var(--shadow-lg); animation: site-float 6s ease-in-out infinite;
}
.site-chip .ic { width: 30px; height: 30px; border-radius: 8px; display: grid; place-items: center; color: #fff; font-size: 13px; background: var(--grad-brand); }
.site-chip .ic.ok { background: var(--ok); } .site-chip .ic.warn { background: var(--warn); } .site-chip .ic.crit { background: var(--crit); } .site-chip .ic.blue { background: var(--accent-c); }
.site-chip .tx b { display: block; font-size: 13.5px; font-weight: 700; color: var(--text); line-height: 1.1; }
.site-chip .tx span { font-family: var(--font-mono); font-size: 10.5px; color: var(--muted-fg); letter-spacing: .03em; }
.site-chip.c1 { top: 6%; left: -4%; } .site-chip.c2 { top: 38%; right: -8%; animation-delay: 1.5s; }
.site-chip.c3 { bottom: 6%; left: 2%; animation-delay: 3s; } .site-chip.c4 { bottom: 22%; right: -2%; animation-delay: .8s; }

/* --------------------------- "what we watch" strip ----------------------- */
.site-strip { border-top: 1px solid var(--border-2); border-bottom: 1px solid var(--border-2); background: var(--surface-2); }
.site-strip-inner { max-width: var(--site-max); margin: 0 auto; padding: 18px 22px; display: flex; align-items: center; gap: 14px 26px; flex-wrap: wrap; justify-content: center; }
.site-strip .lbl { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .12em; text-transform: uppercase; color: var(--faint); }
.site-strip .item { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; font-size: 13.5px; color: var(--text-2); }
.site-strip .item i { color: var(--brand); }

/* --------------------------------- sections ------------------------------ */
.site-section { padding: clamp(54px, 8vw, 94px) 0; }
.site-section.alt { background: var(--surface-2); border-top: 1px solid var(--border-2); border-bottom: 1px solid var(--border-2); }
.site-section-head { max-width: 720px; margin: 0 auto clamp(36px, 5vw, 56px); }

/* feature grid */
.site-grid { display: grid; gap: 18px; }
.site-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.site-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.site-grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
.site-feature {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 24px; box-shadow: var(--shadow); position: relative; overflow: hidden;
  transition: transform .18s ease, box-shadow .2s ease, border-color .2s ease;
}
.site-feature:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); border-color: color-mix(in srgb, var(--brand) 40%, var(--border)); }
.site-feature .fic {
  width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center;
  font-size: 19px; color: var(--brand); background: var(--ok-bg); margin-bottom: 16px;
}
.site-feature.b .fic { color: var(--accent-c); background: color-mix(in srgb, var(--accent-c) 13%, transparent); }
.site-feature.p .fic { color: var(--accent-d); background: color-mix(in srgb, var(--accent-d) 13%, transparent); }
.site-feature.o .fic { color: var(--accent-e); background: color-mix(in srgb, var(--accent-e) 14%, transparent); }
.site-feature p { margin: 0; color: var(--text-2); font-size: 14px; line-height: 1.58; }
.site-feature .tag { position: absolute; top: 18px; right: 18px; font-family: var(--font-mono); font-size: 9.5px;
  letter-spacing: .06em; text-transform: uppercase; font-weight: 700; color: var(--brand);
  background: var(--ok-bg); border-radius: 999px; padding: 3px 8px; }

/* --------------------------- AI agents highlight ------------------------- */
.site-spotlight { position: relative; border-radius: 22px; overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--brand) 30%, var(--border));
  background:
    radial-gradient(70% 120% at 88% 0%, color-mix(in srgb, var(--brand-2) 20%, transparent), transparent 60%),
    radial-gradient(60% 120% at 4% 100%, color-mix(in srgb, var(--brand) 18%, transparent), transparent 60%),
    var(--surface);
  padding: clamp(28px, 5vw, 52px);
  display: grid; grid-template-columns: 1.1fr .9fr; gap: 36px; align-items: center;
}
.site-spotlight .badge { display: inline-flex; align-items: center; gap: 8px; font-size: 12.5px; font-weight: 700;
  color: var(--brand); background: var(--surface); border: 1px solid var(--border); border-radius: 999px; padding: 6px 13px; margin-bottom: 16px; }
.site-checklist { list-style: none; margin: 18px 0 0; padding: 0; display: grid; gap: 12px; }
.site-checklist li { display: flex; gap: 11px; align-items: flex-start; font-size: 14.5px; color: var(--text-2); line-height: 1.5; }
.site-checklist li i { color: var(--ok); margin-top: 3px; flex: none; }
.site-checklist li b { color: var(--text); }

/* a mini live console mock used in the spotlight */
.site-console { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow-lg); overflow: hidden; }
.site-console-bar { display: flex; align-items: center; gap: 8px; padding: 11px 14px; border-bottom: 1px solid var(--border-2); background: var(--surface-2); }
.site-console-bar .dot { width: 10px; height: 10px; border-radius: 50%; background: var(--rule); }
.site-console-bar .ttl { margin-left: 8px; font-family: var(--font-mono); font-size: 11px; color: var(--muted-fg); letter-spacing: .04em; }
.site-row { display: flex; align-items: center; gap: 12px; padding: 12px 14px; border-top: 1px solid var(--border-2); }
.site-row:first-of-type { border-top: 0; }
.site-row .nm { font-weight: 600; font-size: 13px; color: var(--text); flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.site-row .nm small { display: block; font-weight: 500; font-family: var(--font-mono); font-size: 10px; color: var(--faint); }
.site-row .val { font-family: var(--font-mono); font-size: 12.5px; color: var(--text-2); }
.site-stat { display: inline-flex; align-items: center; gap: 7px; font-family: var(--font-mono); font-size: 10.5px; font-weight: 700;
  text-transform: uppercase; letter-spacing: .05em; border-radius: 999px; padding: 3px 9px; }
.site-stat.ok { color: var(--ok); background: var(--ok-bg); } .site-stat.warn { color: var(--warn); background: var(--warn-bg); }
.site-stat.crit { color: var(--crit); background: var(--crit-bg); } .site-stat.off { color: var(--off); background: var(--off-bg); }
.site-stat .d { width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.site-stat.ok .d { animation: site-pulse 2.4s ease-in-out infinite; }

/* ------------------------------ how it works ----------------------------- */
.site-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; counter-reset: step; }
.site-step { position: relative; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 26px 24px; box-shadow: var(--shadow); }
.site-step .num { width: 38px; height: 38px; border-radius: 11px; display: grid; place-items: center; font-weight: 800; color: #fff; background: var(--grad-brand); margin-bottom: 16px; font-size: 16px; }
.site-step code { font-family: var(--font-mono); font-size: 12px; background: var(--surface-3); border: 1px solid var(--border-2); border-radius: 7px; padding: 2px 7px; color: var(--text-2); }

/* --------------------------------- stats --------------------------------- */
.site-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; background: var(--surface); box-shadow: var(--shadow); }
.site-stat-cell { padding: 28px 22px; text-align: center; border-left: 1px solid var(--border-2); }
.site-stat-cell:first-child { border-left: 0; }
.site-stat-cell .big { font-size: clamp(28px, 4vw, 42px); font-weight: 800; letter-spacing: -.02em; background: var(--grad-brand); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.site-stat-cell .cap { margin-top: 4px; font-size: 13px; color: var(--muted-fg); font-weight: 600; }

/* --------------------------------- CTA band ------------------------------ */
.site-cta { position: relative; border-radius: 24px; overflow: hidden; text-align: center; padding: clamp(40px, 6vw, 72px) 24px;
  background: var(--grad-brand); color: #fff; box-shadow: 0 18px 50px color-mix(in srgb, var(--brand) 32%, transparent); }
.site-cta::before { content: ""; position: absolute; inset: 0; background-image: radial-gradient(rgba(255,255,255,.16) 1px, transparent 1px); background-size: 26px 26px; opacity: .5;
  -webkit-mask-image: radial-gradient(70% 70% at 50% 30%, #000, transparent 75%); mask-image: radial-gradient(70% 70% at 50% 30%, #000, transparent 75%); }
.site-cta-inner { position: relative; z-index: 1; max-width: 640px; margin: 0 auto; }
.site-cta h2 { color: #fff; font-size: clamp(26px, 3.6vw, 38px); margin: 0 0 12px; letter-spacing: -.02em; }
.site-cta p { color: rgba(255,255,255,.9); font-size: 16px; margin: 0 0 26px; }
.site-cta .site-btn { background: #fff; color: var(--brand); border-color: #fff; }
.site-cta .site-btn:hover { filter: brightness(1); box-shadow: 0 10px 28px rgba(0,0,0,.2); }
.site-cta .site-btn.ghost { background: transparent; color: #fff; border: 1px solid rgba(255,255,255,.5); }

/* --------------------------------- footer -------------------------------- */
.site-footer { border-top: 1px solid var(--border-2); background: var(--surface-2); padding: 52px 0 30px; margin-top: 10px; }
.site-footer-grid { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 30px; }
.site-footer .blurb { color: var(--muted-fg); font-size: 13.5px; line-height: 1.6; margin: 14px 0 0; max-width: 30ch; }
.site-fcol h4 { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .1em; text-transform: uppercase; color: var(--faint); margin: 0 0 14px; font-weight: 700; }
.site-fcol a { display: block; text-decoration: none; color: var(--text-2); font-size: 13.5px; padding: 5px 0; transition: color .15s ease; }
.site-fcol a:hover { color: var(--brand); }
.site-footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap;
  margin-top: 38px; padding-top: 20px; border-top: 1px solid var(--border-2); color: var(--muted-fg); font-size: 12.5px; }
.site-footer-bottom .links { display: flex; gap: 16px; }
.site-footer-bottom a { color: var(--muted-fg); text-decoration: none; }
.site-footer-bottom a:hover { color: var(--text-2); }

/* --------------------------------- auth ---------------------------------- */
.auth-body { min-height: 100vh; }
.auth-shell { min-height: 100vh; display: grid; grid-template-columns: 1.05fr .95fr; }
.auth-aside { position: relative; overflow: hidden; padding: 48px; display: flex; flex-direction: column; justify-content: space-between;
  background:
    radial-gradient(70% 80% at 80% 10%, color-mix(in srgb, var(--brand-2) 26%, transparent), transparent 60%),
    radial-gradient(60% 70% at 10% 90%, color-mix(in srgb, var(--brand) 24%, transparent), transparent 60%),
    var(--surface-2);
  border-right: 1px solid var(--border-2); }
.auth-aside::after { content: ""; position: absolute; inset: 0; background-image: radial-gradient(color-mix(in srgb, var(--muted-fg) 30%, transparent) 1px, transparent 1px); background-size: 28px 28px; opacity: .3; pointer-events: none; }
.auth-aside .inner { position: relative; z-index: 1; max-width: 420px; }
.auth-aside h2 { font-size: 30px; line-height: 1.12; letter-spacing: -.02em; margin: 26px 0 14px; color: var(--text); }
.auth-aside p { color: var(--text-2); font-size: 15px; line-height: 1.6; }
.auth-main { display: flex; align-items: center; justify-content: center; padding: 40px 24px; }
.auth-card { width: 100%; max-width: 400px; }
.auth-card .auth-logo { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; margin-bottom: 28px; }
.auth-card h1 { font-size: 25px; font-weight: 800; letter-spacing: -.02em; margin: 0 0 6px; color: var(--text); }
.auth-card .sub { color: var(--muted-fg); font-size: 14px; margin: 0 0 24px; }
.auth-field { margin-bottom: 15px; }
.auth-field label { display: block; font-size: 12.5px; font-weight: 600; color: var(--text-2); margin-bottom: 7px; }
.auth-input { width: 100%; padding: 12px 13px; font-size: 14px; color: var(--text);
  background: var(--surface-2); border: 1px solid var(--border); border-radius: 10px; transition: border-color .15s ease, box-shadow .15s ease; }
.auth-input:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 3px color-mix(in srgb, var(--brand) 22%, transparent); }
.auth-row { display: flex; align-items: center; justify-content: space-between; margin: 4px 0 20px; font-size: 13px; }
.auth-row a { color: var(--brand); text-decoration: none; font-weight: 600; }
.auth-alt { text-align: center; margin-top: 22px; font-size: 13.5px; color: var(--muted-fg); }
.auth-alt a { color: var(--brand); font-weight: 600; text-decoration: none; }
.auth-msg { display: flex; gap: 10px; align-items: flex-start; padding: 11px 13px; border-radius: 10px; font-size: 13px; line-height: 1.45; margin-bottom: 18px; }
.auth-msg i { margin-top: 2px; flex: none; }
.auth-msg.err { color: var(--crit); background: var(--crit-bg); border: 1px solid color-mix(in srgb, var(--crit) 30%, transparent); }
.auth-msg.ok { color: var(--ok); background: var(--ok-bg); border: 1px solid color-mix(in srgb, var(--ok) 30%, transparent); }
.auth-msg.info { color: var(--text-2); background: var(--surface-2); border: 1px solid var(--border); }
.auth-back { position: absolute; top: 22px; left: 24px; z-index: 2; font-size: 13px; color: var(--muted-fg); text-decoration: none; font-weight: 600; }
.auth-back:hover { color: var(--text); }

/* ---------------------------- reveal animations -------------------------- */
/* Progressive enhancement: the hidden initial state only applies when JS is on
   (html.site-js, set pre-paint in head.php). With JS off, .reveal stays visible. */
.reveal { transition: opacity .6s cubic-bezier(.2,.7,.3,1), transform .6s cubic-bezier(.2,.7,.3,1); }
.site-js .reveal { opacity: 0; transform: translateY(22px); }
.site-js .reveal.is-visible { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .07s; } .reveal.d2 { transition-delay: .14s; } .reveal.d3 { transition-delay: .21s; } .reveal.d4 { transition-delay: .28s; }

@keyframes site-sweep { to { transform: rotate(360deg); } }
@keyframes site-ping { 0% { width: 12%; opacity: .9; } 100% { width: 96%; opacity: 0; } }
@keyframes site-blip { 0%,100% { opacity: .35; transform: scale(.85); } 50% { opacity: 1; transform: scale(1); } }
@keyframes site-float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
@keyframes site-mesh { 0% { transform: translate3d(0,0,0) scale(1); } 100% { transform: translate3d(-3%,2%,0) scale(1.06); } }
@keyframes site-pulse { 0%,100% { opacity: 1; } 50% { opacity: .3; } }

/* --------------------------------- responsive ---------------------------- */
@media (max-width: 980px) {
  .site-hero-inner { grid-template-columns: 1fr; gap: 20px; }
  .site-hero-visual { order: -1; min-height: 300px; }
  .site-spotlight { grid-template-columns: 1fr; }
  .site-footer-grid { grid-template-columns: 1fr 1fr; }
  .auth-shell { grid-template-columns: 1fr; }
  .auth-aside { display: none; }
}
@media (max-width: 760px) {
  .site-grid.cols-3, .site-grid.cols-4, .site-grid.cols-2 { grid-template-columns: 1fr; }
  .site-steps { grid-template-columns: 1fr; }
  .site-stats { grid-template-columns: 1fr 1fr; }
  .site-stat-cell:nth-child(3) { border-left: 0; }
  .site-stat-cell { border-top: 1px solid var(--border-2); }
  .site-stat-cell:nth-child(-n+2) { border-top: 0; }
  .site-chip.c1, .site-chip.c3 { left: -2%; }
  .site-chip.c2, .site-chip.c4 { right: -2%; }
}
@media (max-width: 520px) {
  .site-footer-grid { grid-template-columns: 1fr; }
  .site-chip .tx span { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
  .sonar-sweep::before, .sonar-ping, .sonar-blip, .site-chip, .site-hero-bg::before, .site-stat.ok .d { animation: none !important; }
}