/* PerigeeX case pages. Plain CSS, no build step. */

:root {
  --page: #ffffff;
  --tile: #f5f5f7;
  --ink: #1d1d1f;
  --ink-2: #6e6e73;
  --sep: rgba(60, 60, 67, .16);
  --link: #0066cc;
  --focus: #0071e3;
  --glass: rgba(255, 255, 255, .78);
  --bar-track: rgba(118, 118, 128, .12);
  --case: #1f4fd1;
  --case-ink: #1f4fd1;
  --case-soft: rgba(31, 79, 209, .08);
  --font: -apple-system, BlinkMacSystemFont, system-ui, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", sans-serif;
  --wrap: 1080px;
  --radius: 18px;
  color-scheme: light dark;
}

body.case-custom { --case: #b4601f; --case-ink: #96501a; --case-soft: rgba(180, 96, 31, .09); }
body.case-audit   { --case: #0f7a70; --case-ink: #0d6a61; --case-soft: rgba(15, 122, 112, .09); }

@media (prefers-color-scheme: dark) {
  :root {
    --page: #000000;
    --tile: #1c1c1e;
    --ink: #f5f5f7;
    --ink-2: #a1a1a6;
    --sep: rgba(84, 84, 88, .55);
    --link: #2997ff;
    --glass: rgba(0, 0, 0, .72);
    --bar-track: rgba(118, 118, 128, .24);
    --case: #6e9bff;
    --case-ink: #8fb2ff;
    --case-soft: rgba(110, 155, 255, .14);
  }
  body.case-custom { --case: #f0a56a; --case-ink: #f3b383; --case-soft: rgba(240, 165, 106, .14); }
  body.case-audit   { --case: #4fd1c0; --case-ink: #6fdccd; --case-soft: rgba(79, 209, 192, .14); }
}

@media (prefers-contrast: more) {
  :root { --ink-2: #3a3a3c; --sep: rgba(60, 60, 67, .45); --glass: #ffffff; }
  .tile, .metric, .case-card { box-shadow: inset 0 0 0 1px #8e8e93; }
}
@media (prefers-contrast: more) and (prefers-color-scheme: dark) {
  :root { --ink-2: #c7c7cc; --glass: #000000; }
}
@media (prefers-reduced-transparency: reduce) {
  :root { --glass: var(--page); }
  .topbar { -webkit-backdrop-filter: none; backdrop-filter: none; }
}

*, *::before, *::after { box-sizing: border-box; }

html {
  font-size: 100%;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.75;
  letter-spacing: -0.005em;
  -webkit-font-smoothing: antialiased;
  font-variant-numeric: tabular-nums;
}

a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; border-radius: 4px; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }

/* Top bar */

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--glass);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  backdrop-filter: saturate(180%) blur(20px);
  border-bottom: .5px solid var(--sep);
  padding-top: env(safe-area-inset-top);
}
.topbar-in { display: flex; align-items: center; justify-content: space-between; min-height: 3.25rem; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); }
.brand:hover { text-decoration: none; }
.brand-mark { width: 22px; height: 22px; flex: none; }
.brand-name { font-size: 1.0625rem; font-weight: 600; letter-spacing: -0.01em; }
.brand-cn { font-size: .8125rem; color: var(--ink-2); }
.topnav { font-size: .875rem; }

/* Hero */

.hero { position: relative; overflow: hidden; padding: 88px 0 56px; }
.hero .wrap { position: relative; z-index: 1; }
.hero-index { padding-bottom: 120px; }
.hero-index .orbit { top: -12px; }
@media (min-width: 761px) { .h1-line { white-space: nowrap; } }
@media (max-width: 999px) { .case-card .h1-line { white-space: normal; } }
.eyebrow { margin: 0 0 16px; font-size: .875rem; font-weight: 600; color: var(--case-ink); letter-spacing: 0; }
h1 {
  margin: 0;
  max-width: 13.5em;
  font-size: clamp(2rem, 4.4vw, 3.25rem);
  line-height: 1.16;
  font-weight: 700;
  letter-spacing: -0.025em;
}
.lede { margin: 24px 0 0; max-width: 36em; font-size: 1.1875rem; line-height: 1.7; color: var(--ink-2); }

.facts { display: flex; flex-wrap: wrap; gap: 16px 48px; margin: 40px 0 0; padding: 20px 0 0; border-top: .5px solid var(--sep); }
.facts div { min-width: 0; }
.facts dt { font-size: .8125rem; color: var(--ink-2); }
.facts dd { margin: 2px 0 0; font-size: .9375rem; font-weight: 600; line-height: 1.5; }

.orbit {
  position: absolute;
  right: 0;
  top: 32px;
  width: 560px;
  height: 400px;
  pointer-events: none;
  color: var(--case);
}

/* Metrics */

.metrics { padding: 8px 0 72px; }
.metrics-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; }
.metric { background: var(--tile); border-radius: var(--radius); padding: 28px 28px 26px; }
.metric-value {
  margin: 0;
  font-size: clamp(2rem, 3.4vw, 2.625rem);
  line-height: 1.1;
  font-weight: 600;
  letter-spacing: -0.025em;
  color: var(--case-ink);
  white-space: nowrap;
}
.metric-value small { font-size: .5em; font-weight: 600; letter-spacing: 0; margin-left: 2px; }
.metric-label { margin: 12px 0 0; font-size: 1rem; font-weight: 600; line-height: 1.45; }
.metric-note { margin: 4px 0 0; font-size: .875rem; color: var(--ink-2); line-height: 1.5; }

/* Sections */

.block { padding: 64px 0; border-top: .5px solid var(--sep); }
.block-grid { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 32px; }
.block-label { margin: 0; font-size: 1.375rem; line-height: 1.3; font-weight: 600; letter-spacing: -0.02em; }
.block-label .num { display: block; margin-bottom: 6px; font-size: .8125rem; font-weight: 600; color: var(--case-ink); letter-spacing: 0; }
.block-label .tag {
  display: inline-block;
  margin-top: 10px;
  padding: 2px 10px;
  border-radius: 999px;
  background: var(--case-soft);
  color: var(--case-ink);
  font-size: .8125rem;
  font-weight: 600;
  letter-spacing: 0;
  line-height: 1.6;
}
.block-body > :first-child { margin-top: 0; }
.block-body p { margin: 0 0 16px; max-width: 42em; }
.block-body p:last-child { margin-bottom: 0; }

.points { margin: 0; padding: 0; list-style: none; max-width: 42em; }
.points li { position: relative; padding-left: 22px; margin: 0 0 12px; }
.points li:last-child { margin-bottom: 0; }
.points li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: .72em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--case);
}

.tiles { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.tile { background: var(--tile); border-radius: var(--radius); padding: 24px 24px 22px; }
.tile h3 { margin: 0 0 8px; font-size: 1.0625rem; line-height: 1.4; font-weight: 600; letter-spacing: -0.01em; }
.tile p { margin: 0; font-size: .9375rem; line-height: 1.7; color: var(--ink-2); }

.steps { margin: 0; padding: 0; list-style: none; counter-reset: step; max-width: 42em; }
.steps li { counter-increment: step; position: relative; padding: 0 0 20px 48px; }
.steps li:last-child { padding-bottom: 0; }
.steps li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 2px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--case-soft);
  color: var(--case-ink);
  font-size: .875rem;
  font-weight: 600;
  line-height: 28px;
  text-align: center;
}
.steps strong { display: block; font-weight: 600; }
.steps span { color: var(--ink-2); font-size: .9375rem; }

.services { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 32px; margin: 0; padding: 0; list-style: none; }
.services li { padding: 14px 0; border-bottom: .5px solid var(--sep); font-size: 1rem; line-height: 1.5; }

/* Usage bars */

.subhead { margin: 0 0 6px; font-size: 1.0625rem; font-weight: 600; letter-spacing: -0.01em; }
.subnote { margin: 0 0 20px; font-size: .875rem; color: var(--ink-2); }
.bars { margin: 0; padding: 0; list-style: none; max-width: 40em; }
.bars li { display: grid; grid-template-columns: 9.5em minmax(0, 1fr) 3.5em; align-items: center; gap: 12px; padding: 7px 0; font-size: .9375rem; line-height: 1.4; }
.bar { height: 8px; border-radius: 4px; background: var(--bar-track); overflow: hidden; }
.bar i { display: block; height: 100%; border-radius: 4px; background: var(--case); transform-origin: left; }
.bars .pct { text-align: right; color: var(--ink-2); }

.stat-list.stat-first { margin-top: 12px; margin-bottom: 0; }
.subhead.group-gap { margin-top: 36px; }
.subhead.group-title { font-size: 1.25rem; letter-spacing: -0.015em; }
.subhead.section-gap { margin-top: 56px; padding-top: 40px; border-top: .5px solid var(--sep); }
.stat-list { margin: 40px 0 0; padding: 0; list-style: none; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.stat-list li { background: var(--tile); border-radius: var(--radius); padding: 20px 22px; }
.stat-list b { display: block; font-size: 1.5rem; line-height: 1.2; font-weight: 600; letter-spacing: -0.02em; color: var(--case-ink); }
.stat-list span { display: block; margin-top: 6px; font-size: .9375rem; line-height: 1.55; color: var(--ink-2); }

/* Case index */

.case-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; padding-bottom: 96px; }
.case-card { display: flex; flex-direction: column; background: var(--tile); border-radius: 22px; padding: 32px; color: var(--ink); min-height: 300px; }
.case-card:hover { text-decoration: none; }
.case-card .eyebrow { margin-bottom: 12px; }
.case-card .h1-line { display: block; }
.case-card h2 { margin: 0; font-size: 1.5rem; line-height: 1.3; font-weight: 600; letter-spacing: -0.02em; }
.case-card p { margin: 12px 0 0; font-size: .9375rem; line-height: 1.7; color: var(--ink-2); }
.case-card .more { margin-top: auto; padding-top: 24px; font-size: .9375rem; color: var(--link); }
.case-card:hover .more { text-decoration: underline; }
.case-card.custom .eyebrow { color: #96501a; }
.case-card.audit .eyebrow { color: #0d6a61; }
@media (prefers-color-scheme: dark) {
  .case-card.custom .eyebrow { color: #f3b383; }
  .case-card.audit .eyebrow { color: #6fdccd; }
}

/* Footer */

.next { padding: 64px 0 72px; border-top: .5px solid var(--sep); }
.next a { display: block; max-width: 40em; color: var(--ink); }
.next a:hover { text-decoration: none; }
.next .k { display: block; font-size: .875rem; color: var(--ink-2); }
.next .t { display: block; margin-top: 6px; font-size: 1.375rem; line-height: 1.4; font-weight: 600; letter-spacing: -0.02em; }
.next a:hover .t { text-decoration: underline; }

.site-foot { padding: 28px 0 calc(40px + env(safe-area-inset-bottom)); border-top: .5px solid var(--sep); font-size: .8125rem; color: var(--ink-2); }
.site-foot p { margin: 0; }

/* Narrow screens */

@media (max-width: 760px) {
  body { font-size: 1rem; }
  .wrap { padding: 0 20px; }
  .hero { padding: 56px 0 40px; }
  .lede { font-size: 1.0625rem; }
  .facts { gap: 12px 32px; margin-top: 32px; }
  .orbit { display: none; }
  .metrics { padding-bottom: 48px; }
  .metrics-grid { grid-template-columns: 1fr; gap: 12px; }
  .metric { padding: 22px 22px 20px; }
  .block { padding: 44px 0; }
  .block-grid { grid-template-columns: 1fr; gap: 20px; }
  .tiles, .services, .stat-list, .case-list { grid-template-columns: 1fr; }
  .tiles, .stat-list { gap: 12px; }
  .tile { padding: 20px; }
  .case-card { min-height: 0; padding: 24px; }
  .bars li { grid-template-columns: 7.5em minmax(0, 1fr) 3em; gap: 10px; }
}

@media (max-width: 1199px) {
  .orbit { display: none; }
}

@media print {
  .topbar { position: static; -webkit-backdrop-filter: none; backdrop-filter: none; }
  .orbit { display: none; }
  .block, .tile, .metric { break-inside: avoid; }
}