/* ── LastPing site/styles.css ─────────────────────────────────────────────
   Dark Slate/teal design system for lastping.dev (static marketing site).
   Same token vocabulary as app.css so the site and app feel like one product.
   NO build tool · NO CDN · NO framework · hand-authored static CSS.
   ─────────────────────────────────────────────────────────────────────────── */

/* ── Design tokens ──────────────────────────────────────────────────────── */
:root {
  /* surfaces */
  --bg:     #0e1116;
  --panel:  #151a22;
  --panel2: #1a2029;
  --line:   #232c38;

  /* text */
  --ink:    #e8eef5;
  --muted:  #7e8b9a;
  --dim:    #55606e;

  /* accent + semantic */
  --acc:       #2dd4bf;
  --acc-ink:   #062b28;
  --blue:      #4ea3ff;
  --ok:        #39d98a;
  --warn:      #f2b544;
  --down:      #f0616d;

  /* type */
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, "Cascadia Code", monospace;

  /* layout */
  --max:   1080px;
  --nav-h: 58px;

  /* transitions */
  --t-fast: .12s ease;
  --t-std:  .18s ease;
}

/* ── Reset & base ───────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

html {
  color-scheme: dark;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.65 var(--sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--acc);
  text-decoration: none;
}
a:hover { text-decoration: underline; }

:focus-visible {
  outline: 2px solid var(--acc);
  outline-offset: 2px;
  border-radius: 3px;
}

img, svg { display: block; max-width: 100%; }

h1, h2, h3, h4, h5, h6 {
  margin: 0;
  line-height: 1.1;
  font-weight: 700;
  color: var(--ink);
}

p { margin: 0; }

/* ── ECG logo ───────────────────────────────────────────────────────────── */
.lp-logo {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  text-decoration: none;
}
.lp-logo:hover { text-decoration: none; }

.lp-ecg {
  display: block;
  overflow: visible;
}
.lp-ecg .trace {
  stroke: var(--line);
  fill: none;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.lp-ecg .beat {
  stroke: var(--acc);
  fill: none;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 46 340;
  animation: lp-ecg-sweep 2.4s linear infinite;
}
@keyframes lp-ecg-sweep {
  from { stroke-dashoffset: 386; }
  to   { stroke-dashoffset: 0; }
}

.lp-word {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 15px;
  color: var(--ink);
  letter-spacing: -.01em;
  line-height: 1;
}

/* ── Nav ────────────────────────────────────────────────────────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 28px;
  height: var(--nav-h);
  background: color-mix(in srgb, var(--panel) 85%, transparent);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px) saturate(1.4);
  -webkit-backdrop-filter: blur(12px) saturate(1.4);
}

.nav-brand { margin-right: 8px; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
  flex: 1;
}

.nav-links a {
  color: var(--muted);
  font-size: 13.5px;
  padding: 6px 11px;
  border-radius: 7px;
  transition: color var(--t-fast), background var(--t-fast);
}
.nav-links a:hover {
  color: var(--ink);
  background: var(--panel2);
  text-decoration: none;
}
.nav-links a.active {
  color: var(--ink);
  background: var(--panel2);
}

.nav-ctas {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: auto;
}

/* Mobile menu toggle — hidden on desktop */
.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  background: none;
  border: 1px solid var(--line);
  border-radius: 7px;
  color: var(--muted);
  cursor: pointer;
  padding: 7px 9px;
  margin-left: auto;
  transition: color var(--t-fast), border-color var(--t-fast);
}
.nav-toggle:hover { color: var(--ink); border-color: var(--muted); }
.nav-toggle svg { width: 18px; height: 18px; }

/* ── Footer ─────────────────────────────────────────────────────────────── */
.footer {
  border-top: 1px solid var(--line);
  background: var(--panel);
  padding: 52px 28px 32px;
}

.footer-inner {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 40px;
}

.footer-brand .lp-logo { margin-bottom: 12px; }
.footer-tagline {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.6;
  max-width: 220px;
  margin-top: 8px;
}
.footer-legal {
  font-size: 12px;
  color: var(--dim);
  margin-top: 20px;
  line-height: 1.8;
}

.footer-col h4 {
  font-size: 11.5px;
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--dim);
  margin-bottom: 14px;
}

.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.footer-col ul a {
  color: var(--muted);
  font-size: 13.5px;
  transition: color var(--t-fast);
}
.footer-col ul a:hover { color: var(--ink); text-decoration: none; }

.footer-bottom {
  max-width: var(--max);
  margin: 36px auto 0;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 12px;
  color: var(--dim);
}
.footer-bottom a { color: var(--dim); }
.footer-bottom a:hover { color: var(--muted); text-decoration: none; }

/* ── Buttons ─────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 9px 17px;
  border-radius: 8px;
  font: 14px/1 var(--sans);
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: background var(--t-fast), color var(--t-fast), border-color var(--t-fast), opacity var(--t-fast);
  white-space: nowrap;
  border: 1px solid transparent;
  background: var(--panel2);
  color: var(--ink);
  border-color: var(--line);
}
.btn:hover { background: var(--line); text-decoration: none; }

.btn-primary {
  background: var(--acc);
  color: var(--acc-ink);
  border-color: var(--acc);
}
.btn-primary:hover {
  background: color-mix(in srgb, var(--acc) 85%, #fff);
  border-color: color-mix(in srgb, var(--acc) 85%, #fff);
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}
.btn-ghost:hover { background: var(--panel2); border-color: var(--muted); }

.btn-sm { padding: 6px 12px; font-size: 13px; }
.btn-lg { padding: 12px 22px; font-size: 15px; }

/* ── Eyebrow label ───────────────────────────────────────────────────────── */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--acc);
  letter-spacing: .05em;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.eyebrow .lv {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--acc);
  box-shadow: 0 0 8px var(--acc);
  flex: 0 0 6px;
}

/* ── Card / panel ────────────────────────────────────────────────────────── */
.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 22px 24px;
}
.card + .card { margin-top: 12px; }

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
}

/* ── Console component ───────────────────────────────────────────────────── */
.console {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: 0 30px 80px -30px rgba(0, 0, 0, .75);
  overflow: hidden;
  font-family: var(--mono);
}

.cbar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border-bottom: 1px solid var(--line);
  background: var(--panel2);
  font-size: 11.5px;
  color: var(--muted);
}
.cbar .cbar-ecg { margin-left: auto; }

.cbody { padding: 12px; }

.crow {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 13px;
  border: 1px solid var(--line);
  border-radius: 8px;
  margin-bottom: 7px;
  font-size: 12.5px;
  background: var(--panel2);
}
.crow:last-child { margin-bottom: 0; }

.crow .crow-name {
  display: flex;
  align-items: center;
  gap: 9px;
}
.crow .crow-type {
  font-family: var(--mono);
  font-size: 9.5px;
  color: var(--dim);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 1px 5px;
}

/* alarm row */
.crow.alarm {
  border-color: #4a2530;
  background: #1c1116;
}

.crow-sent {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--ok);
  border: 1px solid #2f5a3f;
  border-radius: 9px;
  padding: 1px 7px;
  margin-left: 6px;
}

.crow-flat {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--down);
}

/* ── Pills ───────────────────────────────────────────────────────────────── */
.pill {
  display: inline-flex;
  align-items: center;
  border-radius: 20px;
  padding: 3px 10px;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  white-space: nowrap;
}
.pill.ok   { background: rgba(57, 217, 138, .12); color: var(--ok); }
.pill.warn { background: rgba(242, 181, 68, .12);  color: var(--warn); }
.pill.down { background: rgba(240, 97, 109, .12);  color: var(--down); }
.pill.muted { background: var(--panel2); color: var(--muted); }

/* ECG sweep inside console bar ─── */
.ecg-svg .ecg-trace {
  stroke: var(--line);
  fill: none;
  stroke-width: 1.4;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.ecg-svg .ecg-beat {
  stroke: var(--acc);
  fill: none;
  stroke-width: 1.4;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 60 200;
  animation: ecg-move 2s linear infinite;
}
@keyframes ecg-move {
  from { stroke-dashoffset: 200; }
  to   { stroke-dashoffset: 0; }
}

/* ── Section utilities ───────────────────────────────────────────────────── */
.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 28px;
}

.section { padding: 80px 28px; }
.section-sm { padding: 48px 28px; }
.section-lg { padding: 100px 28px; }

/* ── Strip (feature band below hero) ────────────────────────────────────── */
.strip {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--panel2);
}
.strip-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 28px 28px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
}

.watch {
  padding: 0 24px;
  border-left: 1px solid var(--line);
}
.watch:first-child { border-left: 0; padding-left: 0; }

.watch-num {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--acc);
  margin-bottom: 8px;
  display: block;
}
.watch h3 {
  font-size: 15px;
  margin-bottom: 6px;
  font-weight: 600;
}
.watch p {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.55;
}

/* ── Hero layout ─────────────────────────────────────────────────────────── */
.hero {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: 40px;
  align-items: center;
  max-width: var(--max);
  margin: 0 auto;
  padding: 60px 28px 48px;
}

.hero-copy h1 {
  font-size: 42px;
  line-height: 1.06;
  font-weight: 750;
  letter-spacing: -.6px;
  margin-bottom: 18px;
}
.hero-copy h1 .down { color: var(--down); }

.hero-lead {
  font-size: 16px;
  line-height: 1.65;
  color: var(--muted);
  margin-bottom: 26px;
  max-width: 440px;
}

.hero-cta {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.hero-cmd {
  margin-top: 20px;
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--dim);
}
.hero-cmd b { color: var(--muted); }

/* ── Background decorations ─────────────────────────────────────────────── */
.bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--panel) 1px, transparent 1px),
    linear-gradient(90deg, var(--panel) 1px, transparent 1px);
  background-size: 40px 40px;
  opacity: .35;
  pointer-events: none;
  mask-image: radial-gradient(ellipse 80% 60% at 70% 0%, #000, transparent);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 70% 0%, #000, transparent);
}

.bg-glow {
  position: absolute;
  top: -140px;
  right: -60px;
  width: 520px;
  height: 420px;
  background: radial-gradient(circle, rgba(45, 212, 191, .15), transparent 60%);
  pointer-events: none;
}

/* ── Prose (docs pages) ─────────────────────────────────────────────────── */
.prose { max-width: 720px; margin: 0 auto; }
.prose h2 { font-size: 22px; margin-top: 48px; margin-bottom: 12px; }
.prose h3 { font-size: 17px; margin-top: 32px; margin-bottom: 8px; color: var(--ink); }
.prose p  { margin-bottom: 16px; color: var(--muted); font-size: 15px; line-height: 1.7; }
.prose ul, .prose ol { color: var(--muted); font-size: 15px; line-height: 1.7; padding-left: 22px; margin-bottom: 16px; }
.prose li + li { margin-top: 6px; }
.prose code {
  font-family: var(--mono);
  font-size: .88em;
  background: var(--panel2);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 1px 5px;
  color: var(--acc);
}
.prose pre {
  background: var(--panel2);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px 18px;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--ink);
  margin-bottom: 18px;
}
.prose pre code { background: none; border: none; padding: 0; color: inherit; font-size: inherit; }
.prose a { color: var(--acc); }
.prose a:hover { text-decoration: underline; }
.prose hr { border: none; border-top: 1px solid var(--line); margin: 40px 0; }
.prose blockquote { border-left: 3px solid var(--acc); margin: 0 0 18px; padding: 10px 18px; background: var(--panel); border-radius: 0 8px 8px 0; color: var(--muted); font-style: italic; }

/* ── Utility classes ─────────────────────────────────────────────────────── */
.text-acc    { color: var(--acc); }
.text-muted  { color: var(--muted); }
.text-dim    { color: var(--dim); }
.text-ok     { color: var(--ok); }
.text-warn   { color: var(--warn); }
.text-down   { color: var(--down); }
.mono        { font-family: var(--mono); }
.sr-only     { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

/* ── Reduced motion ─────────────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  .lp-ecg .beat { animation: none; stroke: var(--acc); }
  .ecg-svg .ecg-beat { animation: none; stroke: var(--acc); }

  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}

/* ── Responsive ─────────────────────────────────────────────────────────── */
@media (max-width: 820px) {
  /* hero stacks */
  .hero {
    grid-template-columns: 1fr;
    padding: 40px 20px 36px;
    gap: 32px;
  }
  .hero-copy h1 { font-size: 32px; }

  /* strip stacks */
  .strip-inner {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .watch { border-left: 0; padding-left: 0; border-top: 1px solid var(--line); padding-top: 24px; }
  .watch:first-child { border-top: 0; padding-top: 0; }

  /* footer stacks */
  .footer-inner {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }
  .footer-brand { grid-column: 1 / -1; }

  /* nav collapses */
  .nav { padding: 0 18px; }
  .nav-links { display: none; }
  .nav-ctas { display: none; }
  .nav-toggle { display: flex; }
}

@media (max-width: 480px) {
  .footer-inner { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 8px; }
  .hero-cta { flex-direction: column; align-items: flex-start; }
  .section { padding: 52px 18px; }
  .section-sm { padding: 32px 18px; }
}

/* ── Mobile nav drawer ─────────────────────────────────────────────────── */
.nav-drawer {
  display: none;
  position: fixed;
  inset: var(--nav-h) 0 0 0;
  background: var(--panel);
  border-top: 1px solid var(--line);
  z-index: 39;
  flex-direction: column;
  padding: 20px 18px 28px;
  gap: 4px;
  overflow-y: auto;
}
.nav-drawer.open { display: flex; }
.nav-drawer a {
  color: var(--muted);
  font-size: 15px;
  padding: 11px 14px;
  border-radius: 8px;
  transition: color var(--t-fast), background var(--t-fast);
}
.nav-drawer a:hover { color: var(--ink); background: var(--panel2); text-decoration: none; }
.nav-drawer .drawer-divider { height: 1px; background: var(--line); margin: 10px 0; }
.nav-drawer .btn { width: 100%; margin-top: 6px; justify-content: center; }