/* =====================================================
   OpenInfra Logger — Landing page
   Tokens mirror brand/system.jsx
   ===================================================== */
:root {
  --ink:        #0A0C10;
  --ink-2:      #14181F;
  --paper:      #F4F2EC;
  --paper-2:    #EAE6DC;
  --signal:     #FF5C28;
  --signal-deep:#D94A1F;
  --steel:      #6B7280;
  --steel-2:    #9CA3AF;
  --mint:       #00D9A3;
  --node: #3FB950;
  --py:   #4B8BBE;
  --go:   #00ADD8;
  --rust: #CE422B;
  --sans: "Geist", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  --max-w: 1180px;
  --pad-x: 64px;
  --radius: 16px;
}

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-weight: 400;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
code { font-family: var(--mono); font-size: 0.92em; }
ul { list-style: none; margin: 0; padding: 0; }

.signal { color: var(--signal); }
.mint   { color: var(--mint); }
.muted  { color: rgba(244, 242, 236, 0.5); }
.paper  { color: var(--paper); }

.container { max-width: var(--max-w); margin: 0 auto; padding: 0 var(--pad-x); }

/* dots */
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 999px; background: var(--steel); flex: none; }
.dot--node { background: var(--node); }
.dot--py   { background: var(--py); }
.dot--go   { background: var(--go); }
.dot--rust { background: var(--rust); }
.dot--mint { background: var(--mint); }
.dot--glow { box-shadow: 0 0 12px var(--mint); }

/* =================== NAV =================== */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(244, 242, 236, 0.85);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid rgba(10, 12, 16, 0.08);
}
.nav__container {
  max-width: var(--max-w); margin: 0 auto;
  padding: 16px var(--pad-x);
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.nav__brand {
  display: inline-flex; align-items: center; gap: 12px;
  color: var(--ink); text-decoration: none;
}
.nav__brand .mark { color: var(--ink); }
.nav__title { font-size: 16px; font-weight: 600; letter-spacing: -0.02em; }
.nav__version {
  font-family: var(--mono); font-size: 10px;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--steel);
  padding: 3px 7px; border: 1px solid rgba(10, 12, 16, 0.12);
  border-radius: 4px; margin-left: 4px;
}
.nav__links { display: flex; align-items: center; gap: 28px; font-size: 14px; }
.nav__links a { color: var(--ink); opacity: 0.75; font-weight: 450; }
.nav__links a:hover { opacity: 1; }
.nav__github { display: inline-flex; align-items: center; gap: 8px; }
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 9px 16px; border-radius: 7px;
  font-family: var(--sans); font-size: 13px; font-weight: 500; letter-spacing: -0.01em;
  text-decoration: none; border: 1px solid transparent;
  transition: background 0.15s ease, color 0.15s ease, transform 0.06s ease;
}
.btn:active { transform: translateY(1px); }
.btn--primary  { background: var(--ink); color: var(--paper); }
.btn--primary:hover { background: var(--ink-2); }
.btn--ghost    { border-color: rgba(10, 12, 16, 0.14); color: var(--ink); padding: 12px 18px; font-size: 14px; border-radius: 10px; }
.btn--ghost:hover { background: rgba(10, 12, 16, 0.04); }
.btn--signal   { background: var(--signal); color: var(--ink); padding: 16px 22px; border-radius: 10px; font-size: 15px; font-weight: 600; justify-content: center; }
.btn--signal:hover { background: var(--signal-deep); color: var(--paper); }
.btn--outline  { background: transparent; color: var(--paper); border: 1px solid rgba(244, 242, 236, 0.2); padding: 16px 22px; border-radius: 10px; font-size: 15px; font-weight: 500; justify-content: center; }
.btn--outline:hover { background: rgba(244, 242, 236, 0.05); }

/* =================== HERO =================== */
.hero {
  position: relative;
  padding: 120px var(--pad-x) 100px;
  overflow: hidden;
}
.hero__grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, rgba(10, 12, 16, 0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(10, 12, 16, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, black 30%, transparent 80%);
          mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, black 30%, transparent 80%);
  pointer-events: none;
}
.hero__inner { position: relative; max-width: 1180px; margin: 0 auto; text-align: center; }
.pill {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 6px 14px; border-radius: 99px;
  border: 1px solid rgba(10, 12, 16, 0.12);
  background: rgba(244, 242, 236, 0.6);
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.04em;
}
.pill__dot   { width: 6px; height: 6px; border-radius: 99px; background: var(--mint); }
.pill__signal { color: var(--signal); }
.hero__title {
  font-size: 92px; font-weight: 600; letter-spacing: -0.045em;
  line-height: 0.96; margin: 28px 0 0;
}
.hero__sub {
  font-size: 21px; line-height: 1.5; color: var(--steel);
  max-width: 720px; margin: 26px auto 0;
}
.hero__cta { margin-top: 36px; display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; }
.install {
  display: inline-flex; align-items: center; gap: 14px;
  background: var(--ink); color: var(--paper);
  padding: 12px 18px 12px 16px; border-radius: 10px;
  font-family: var(--mono); font-size: 14px;
  border: 1px solid rgba(10, 12, 16, 0.06);
  box-shadow: 0 12px 32px -16px rgba(10, 12, 16, 0.4);
}
.install__prompt { color: var(--signal); }
.install__pkg { color: var(--paper); }
.install__sep { width: 1px; height: 16px; background: rgba(244, 242, 236, 0.15); }
.install__copy { opacity: 0.6; font-size: 12px; transition: color 0.15s ease, opacity 0.15s ease; }
.install:hover .install__copy { opacity: 1; color: var(--signal); }
.install.is-copied .install__copy { color: var(--mint); opacity: 1; }
.hero__mark {
  margin-top: 80px;
  display: flex; justify-content: center;
  color: var(--ink);
}

/* ============ RUNTIMES STRIP ============ */
.strip {
  border-top: 1px solid rgba(10, 12, 16, 0.08);
  border-bottom: 1px solid rgba(10, 12, 16, 0.08);
  padding: 28px var(--pad-x);
  background: var(--paper);
}
.strip__inner {
  max-width: var(--max-w); margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap;
}
.strip__eyebrow {
  font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.22em; text-transform: uppercase; color: var(--steel);
}
.strip__item { display: flex; align-items: center; gap: 12px; }
.strip__name { font-size: 16px; font-weight: 600; letter-spacing: -0.02em; }
.strip__item code { display: block; color: var(--steel); font-size: 11px; margin-top: 2px; }

/* ============== SECTION HEAD ============== */
.section-head { display: flex; flex-direction: column; gap: 14px; max-width: 780px; }
.eyebrow {
  font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.24em; text-transform: uppercase; color: var(--signal);
}
.eyebrow--on-dark { color: var(--signal); }
.section-head h2,
.integrations__title,
.cta h2 {
  font-size: 60px; font-weight: 600; letter-spacing: -0.035em;
  line-height: 1; margin: 0;
}
.section-head .lead { font-size: 19px; line-height: 1.55; color: var(--steel); margin: 0; max-width: 640px; }
.section-head .lead code { color: var(--ink); background: var(--paper-2); padding: 2px 6px; border-radius: 4px; }

/* =================== PILLARS =================== */
.pillars { padding: 120px var(--pad-x); background: var(--paper); }
.pillars__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 56px; }
.pillar {
  border: 1px solid rgba(10, 12, 16, 0.10);
  border-radius: var(--radius); padding: 36px 32px;
  background: var(--paper);
  display: flex; flex-direction: column; gap: 20px;
  min-height: 380px;
}
.pillar__top { display: flex; justify-content: space-between; align-items: center; }
.pillar__n   { font-family: var(--mono); font-size: 11px; letter-spacing: 0.2em; color: var(--steel); }
.pillar__sub { font-family: var(--mono); font-size: 11px; color: var(--signal); letter-spacing: 0.04em; }
.pillar h3   { font-size: 30px; font-weight: 600; letter-spacing: -0.025em; margin: 0; line-height: 1.05; }
.pillar p    { font-size: 15px; line-height: 1.6; color: var(--steel); margin: 14px 0 0; }
.pillar p code { background: var(--paper-2); padding: 1px 6px; border-radius: 4px; color: var(--signal); }
.pillar__stat {
  margin-top: auto; padding-top: 18px;
  border-top: 1px dashed rgba(10, 12, 16, 0.12);
  display: flex; align-items: baseline; gap: 10px;
}
.pillar__stat strong { font-family: var(--mono); font-size: 22px; font-weight: 600; letter-spacing: -0.01em; }
.pillar__stat span   { font-family: var(--mono); font-size: 11px; color: var(--steel); }

/* =================== CODE SHOWCASE =================== */
.code-section { padding: 0 var(--pad-x) 120px; background: var(--paper); }
.code-card {
  margin-top: 48px;
  background: var(--ink); color: var(--paper);
  border-radius: var(--radius); overflow: hidden;
  box-shadow: 0 30px 80px -30px rgba(10, 12, 16, 0.5);
}
.code-tabs {
  display: flex; align-items: center;
  border-bottom: 1px solid rgba(244, 242, 236, 0.08);
  padding: 0 14px;
}
.code-tab {
  background: none; border: 0;
  padding: 16px 18px;
  font-family: var(--mono); font-size: 12.5px; letter-spacing: 0.02em;
  color: rgba(244, 242, 236, 0.45);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}
.code-tab.is-active { color: var(--paper); border-bottom-color: var(--signal); }
.code-tab:hover { color: var(--paper); }
.code-tabs__status {
  margin-left: auto; display: flex; gap: 10px; align-items: center;
  font-family: var(--mono); font-size: 11px; color: rgba(244, 242, 236, 0.4);
}
.code-grid { display: grid; grid-template-columns: 1.1fr 1fr; min-height: 320px; }
.code-source { padding: 28px 32px; }
.code-pane {
  display: none; margin: 0;
  font-family: var(--mono); font-size: 15px; line-height: 1.7;
  color: rgba(244, 242, 236, 0.85);
  white-space: pre-wrap;
}
.code-pane.is-active { display: block; }
.code-output {
  border-left: 1px solid rgba(244, 242, 236, 0.08);
  padding: 28px 32px;
  background: rgba(244, 242, 236, 0.02);
}
.code-output__head {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase;
  color: rgba(244, 242, 236, 0.4); margin-bottom: 14px;
}
.code-output pre { margin: 0; font-family: var(--mono); font-size: 12.5px; line-height: 1.7; color: rgba(244, 242, 236, 0.85); white-space: pre; }

/* token colors (matches mockup) */
.tk-kw  { color: #FF8FAF; }
.tk-fn  { color: #7DC7FF; }
.tk-str { color: #FFB873; }
.tk-key { color: #A7E5C1; }
.tk-id  { color: rgba(244, 242, 236, 0.85); }
.tk-cmt { color: rgba(244, 242, 236, 0.4); }

/* =================== INTEGRATIONS =================== */
.integrations {
  background: var(--ink); color: var(--paper);
  padding: 120px var(--pad-x); position: relative; overflow: hidden;
}
.integrations__bgmark {
  position: absolute; right: -100px; top: -100px;
  width: 520px; height: 520px;
  color: var(--paper); opacity: 0.06; pointer-events: none;
}
.integrations__title { margin-top: 14px; max-width: 800px; }
.integrations__lead {
  font-size: 19px; line-height: 1.55;
  color: rgba(244, 242, 236, 0.6);
  margin: 20px 0 0; max-width: 640px;
}
.integrations__grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 0;
  margin-top: 64px;
  border: 1px solid rgba(244, 242, 236, 0.08);
  border-radius: var(--radius); overflow: hidden;
}
.integration {
  padding: 30px 28px;
  display: flex; flex-direction: column; gap: 10px;
  border-right: 1px solid rgba(244, 242, 236, 0.08);
  border-bottom: 1px solid rgba(244, 242, 236, 0.08);
}
.integration:nth-child(3n) { border-right: none; }
.integration:nth-last-child(-n+3) { border-bottom: none; }
.integration__head { display: flex; align-items: center; justify-content: space-between; }
.integration h3 { font-size: 22px; font-weight: 600; letter-spacing: -0.02em; margin: 0; }
.integration code { color: rgba(244, 242, 236, 0.5); font-size: 12px; }
.integrations__config {
  margin-top: 32px;
  font-family: var(--mono); font-size: 13px;
  color: rgba(244, 242, 236, 0.55);
}

/* =================== ANALYZER =================== */
.analyzer { padding: 120px var(--pad-x); background: var(--paper); }
.analyzer__grid {
  margin-top: 56px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 24px;
}
.terminal {
  background: var(--ink); color: var(--paper);
  border-radius: 14px; overflow: hidden;
  box-shadow: 0 30px 80px -30px rgba(10, 12, 16, 0.5);
}
.terminal__bar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 14px;
  border-bottom: 1px solid rgba(244, 242, 236, 0.08);
}
.terminal__dots { display: flex; gap: 6px; }
.terminal__dots span { width: 12px; height: 12px; border-radius: 99px; display: inline-block; }
.terminal__title { font-family: var(--mono); font-size: 11px; color: rgba(244, 242, 236, 0.45); }
.terminal__body {
  margin: 0; padding: 20px 22px;
  font-family: var(--mono); font-size: 12.5px; line-height: 1.7;
  color: rgba(244, 242, 236, 0.85);
  white-space: pre-wrap;
}
.cursor { background: rgba(255, 92, 40, 0.4); }
.analyzer__panel { display: flex; flex-direction: column; gap: 18px; justify-content: center; }
.feature { display: flex; gap: 16px; }
.feature__n { font-family: var(--mono); font-size: 12px; color: var(--signal); letter-spacing: 0.16em; margin-top: 4px; }
.feature h4 { font-size: 18px; font-weight: 600; letter-spacing: -0.02em; margin: 0; }
.feature p  { font-size: 14px; color: var(--steel); margin: 6px 0 0; line-height: 1.55; max-width: 440px; }
.feature p code { background: var(--paper-2); padding: 1px 6px; border-radius: 4px; color: var(--ink); }
.privacy {
  margin-top: 10px;
  padding: 16px 18px;
  border: 1px solid rgba(10, 12, 16, 0.10);
  border-radius: 10px;
  background: var(--paper-2);
}
.privacy__label {
  font-family: var(--mono); font-size: 11px; color: var(--steel);
  letter-spacing: 0.16em; text-transform: uppercase;
}
.privacy > div:last-child { font-size: 14px; color: var(--ink); margin-top: 6px; line-height: 1.5; }
.privacy code { font-family: var(--mono); }

/* =================== NUMBERS =================== */
.numbers {
  padding: 120px var(--pad-x);
  background: var(--paper);
  border-top: 1px solid rgba(10, 12, 16, 0.08);
  border-bottom: 1px solid rgba(10, 12, 16, 0.08);
}
.numbers__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.numbers__v   { font-family: var(--sans); font-size: 72px; font-weight: 600; letter-spacing: -0.04em; line-height: 1; }
.numbers__sub { margin-top: 14px; font-family: var(--mono); font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--signal); }
.numbers__note { font-size: 13px; color: var(--steel); margin-top: 6px; line-height: 1.5; }

/* =================== CTA =================== */
.cta { padding: 140px var(--pad-x); background: var(--paper); }
.cta__card {
  background: var(--ink); color: var(--paper);
  border-radius: 24px;
  padding: 80px 72px;
  position: relative; overflow: hidden;
  display: flex; align-items: center; justify-content: space-between; gap: 48px;
}
.cta__bgmark {
  position: absolute; right: -60px; bottom: -60px;
  width: 360px; height: 360px; color: var(--paper); opacity: 0.08; pointer-events: none;
}
.cta__copy { position: relative; max-width: 560px; }
.cta__copy h2 { font-size: 56px; margin: 16px 0 0; }
.cta__copy p { font-size: 17px; line-height: 1.6; color: rgba(244, 242, 236, 0.6); margin-top: 22px; max-width: 480px; }
.cta__actions { position: relative; display: flex; flex-direction: column; gap: 12px; min-width: 320px; }
.cta__meta { margin-top: 8px; font-family: var(--mono); font-size: 12px; color: rgba(244, 242, 236, 0.4); text-align: center; }

/* =================== FOOTER =================== */
.footer { padding: 56px var(--pad-x) 48px; background: var(--paper); }
.footer__grid {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr 1fr; gap: 32px;
}
.nav__brand--footer { color: var(--ink); }
.nav__brand--footer span { font-size: 18px; font-weight: 600; letter-spacing: -0.02em; }
.footer__about { font-size: 13px; color: var(--steel); margin-top: 18px; max-width: 280px; line-height: 1.55; }
.footer__h    { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--steel); margin-bottom: 14px; }
.footer ul li { font-size: 13.5px; color: var(--ink); margin-bottom: 9px; }
.footer__legal {
  margin-top: 56px;
  border-top: 1px solid rgba(10, 12, 16, 0.08);
  padding-top: 24px;
  display: flex; justify-content: space-between;
  font-family: var(--mono); font-size: 12px; color: var(--steel);
}
.footer__status { display: flex; gap: 8px; align-items: center; }

/* =================== RESPONSIVE =================== */
@media (max-width: 1024px) {
  :root { --pad-x: 32px; }
  .hero__title { font-size: 64px; }
  .section-head h2, .integrations__title, .cta h2 { font-size: 44px; }
  .pillars__grid { grid-template-columns: 1fr 1fr; }
  .code-grid { grid-template-columns: 1fr; }
  .integrations__grid { grid-template-columns: 1fr 1fr; }
  .integration:nth-child(3n) { border-right: 1px solid rgba(244,242,236,0.08); }
  .integration:nth-child(2n) { border-right: none; }
  .analyzer__grid { grid-template-columns: 1fr; }
  .numbers__grid { grid-template-columns: repeat(2, 1fr); }
  .cta__card { flex-direction: column; align-items: flex-start; padding: 56px 40px; }
  .cta__actions { width: 100%; min-width: 0; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 700px) {
  :root { --pad-x: 20px; }
  .hero { padding: 80px var(--pad-x) 60px; }
  .hero__title { font-size: 44px; }
  .hero__sub { font-size: 17px; }
  .nav__links a:not(.nav__github) { display: none; }
  .nav__version { display: none; }
  .pillars { padding: 80px var(--pad-x); }
  .pillars__grid { grid-template-columns: 1fr; }
  .strip__inner > .strip__eyebrow { width: 100%; }
  .section-head h2, .integrations__title, .cta h2 { font-size: 34px; }
  .integrations { padding: 80px var(--pad-x); }
  .integrations__grid { grid-template-columns: 1fr; }
  .integration { border-right: none !important; }
  .analyzer, .cta, .numbers { padding: 80px var(--pad-x); }
  .numbers__grid { grid-template-columns: 1fr 1fr; }
  .numbers__v { font-size: 56px; }
  .cta__card { padding: 40px 24px; }
  .cta__copy h2 { font-size: 32px; }
  .footer__grid { grid-template-columns: 1fr; }
  .footer__legal { flex-direction: column; gap: 12px; }
}