/* =========================================================================
   PipelineVCS marketing site
   Single stylesheet. All brand tokens are in :root — change them in one place.
   ========================================================================= */

:root {
  /* Brand — sourced from the PLV icon */
  --brand-1: #45c7ff;        /* light cyan-blue */
  --brand-1-rgb: 69, 199, 255;
  --brand-mid: #1f82ff;       /* mid blue */
  --brand-2: #1650f3;        /* deep electric blue */
  --brand-2-rgb: 22, 80, 243;
  --brand-grad: linear-gradient(135deg, var(--brand-1) 0%, var(--brand-mid) 48%, var(--brand-2) 100%);

  /* Surfaces — navy palette to match the icon background */
  --bg: #050b1b;
  --bg-soft: #0a1228;
  --surface: #101b39;
  --surface-2: #18254a;
  --border: #1c2a4d;
  --border-strong: #2a3a66;

  /* Text */
  --text: #e8edf7;
  --text-dim: #aab3c5;
  --text-muted: #6f7a92;

  /* Semantic */
  --success: #34d399;
  --warn: #fbbf24;
  --accent-orange: #f97316;
  --accent-orange-rgb: 249, 115, 22;

  /* Layout */
  --container: 1140px;
  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 20px;

  /* Type scale (fluid) */
  --fs-1: clamp(2.5rem, 1.5rem + 4vw, 4.25rem);
  --fs-2: clamp(1.75rem, 1.2rem + 2vw, 2.5rem);
  --fs-3: clamp(1.25rem, 1rem + 0.8vw, 1.5rem);
  --fs-body: 1.0625rem;
  --fs-small: 0.9375rem;

  /* Motion */
  --t: 180ms cubic-bezier(.2,.7,.3,1);

  color-scheme: dark;
}

/* Reset-ish */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body, h1, h2, h3, h4, p, ul, ol, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
img, svg { display: block; max-width: 100%; }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
a { color: inherit; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI Variable Text", "Segoe UI", Roboto, Inter, system-ui, sans-serif;
  font-size: var(--fs-body);
  line-height: 1.55;
  color: var(--text);
  background: var(--bg);
  background-image:
    radial-gradient(1200px 600px at 80% -10%, rgba(var(--brand-2-rgb), .22), transparent 60%),
    radial-gradient(900px 500px at -10% 10%, rgba(var(--brand-1-rgb), .12), transparent 55%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding-inline: clamp(1rem, 3vw, 2rem);
}

/* ---------- Skip link ---------- */
.skip {
  position: absolute; left: -9999px; top: auto;
}
.skip:focus {
  left: 1rem; top: 1rem; z-index: 100;
  background: var(--surface); padding: .5rem .75rem;
  border-radius: var(--radius-sm); border: 1px solid var(--border-strong);
}

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(5, 11, 27, .78);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid rgba(28, 42, 77, .6);
}
.site-header__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: 1rem; padding-block: .85rem;
}
/* Keep the nav centered to the viewport regardless of brand/button widths.
   nav-actions is pinned to column 3 so it stays right-aligned even when the
   nav is hidden on mobile. */
.site-header__inner .brand { justify-self: start; }
.site-header__inner .nav-actions { grid-column: 3; justify-self: end; }
.brand {
  display: inline-flex; align-items: center; gap: .65rem;
  font-weight: 700; letter-spacing: -0.01em; font-size: 1rem;
  text-decoration: none; color: var(--text);
}
.brand img { width: 28px; height: 28px; }
.brand .brand-name {
  font-family: Arial, "Helvetica Neue", Helvetica, sans-serif;
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: -0.005em;
}
.brand .brand-name strong { font-weight: inherit; color: var(--text); }
.brand .brand-name span { color: rgb(42, 133, 255); font-weight: inherit; }

.primary-nav { display: flex; align-items: center; gap: 1.75rem; }
.primary-nav a {
  text-decoration: none; color: var(--text-dim);
  font-size: var(--fs-small); transition: color var(--t);
}
.primary-nav a:hover { color: var(--text); }
.primary-nav a.is-active { color: var(--text); }

.nav-actions { display: flex; align-items: center; gap: .75rem; }
/* On phones/tablets running iOS or Android, the big "Download PLV" CTA in the
   nav is hidden — PLV isn't available for those OSes. The hamburger stays. */
.is-mobile-os .nav-actions .btn-primary { display: none; }

.nav-toggle {
  display: none;
  width: 38px; height: 38px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  align-items: center; justify-content: center;
}
.nav-toggle svg { width: 18px; height: 18px; }

@media (max-width: 820px) {
  .primary-nav { display: none; }
  .nav-toggle { display: inline-flex; }
  .site-header.is-open .primary-nav {
    position: absolute; left: 0; right: 0; top: 100%;
    display: flex; flex-direction: column; align-items: stretch;
    gap: 0; padding: .5rem 0;
    background: var(--bg-soft);
    border-bottom: 1px solid var(--border);
  }
  .site-header.is-open .primary-nav a {
    padding: .85rem clamp(1rem, 3vw, 2rem);
    border-top: 1px solid var(--border);
  }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: .5rem;
  padding: .75rem 1.1rem;
  border-radius: var(--radius-sm);
  font-weight: 600; font-size: var(--fs-small);
  text-decoration: none;
  transition: transform var(--t), background var(--t), border-color var(--t), color var(--t), box-shadow var(--t);
  white-space: nowrap;
}
.btn-primary {
  color: #02060f;
  background: var(--brand-grad);
  box-shadow: 0 1px 0 rgba(255,255,255,.22) inset, 0 8px 24px -10px rgba(var(--brand-2-rgb), .65);
}
.btn-primary:hover { transform: translateY(-1px); filter: brightness(1.06); }
.btn-secondary {
  color: var(--text);
  background: rgba(255,255,255,.04);
  border: 1px solid var(--border-strong);
}
.btn-secondary:hover { background: rgba(255,255,255,.08); border-color: #3b466e; }
.btn-ghost {
  color: var(--text-dim);
  padding: .5rem .75rem;
}
.btn-ghost:hover { color: var(--text); }

.btn-lg { padding: .9rem 1.4rem; font-size: 1rem; }

/* ---------- Hero ---------- */
.hero { padding: clamp(3.5rem, 6vw, 5.5rem) 0 clamp(3rem, 5vw, 4rem); }
.eyebrow {
  display: inline-flex; align-items: center; gap: .5rem;
  font-size: .8rem; font-weight: 700; letter-spacing: .05em;
  padding: .35rem .7rem;
  border: 1px solid rgba(var(--accent-orange-rgb), .5);
  border-radius: 999px;
  background: rgba(var(--accent-orange-rgb), .18);
  color: #fdba74;
  text-transform: uppercase;
  box-shadow: 0 1px 12px rgba(var(--accent-orange-rgb), .18);
}
.eyebrow .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent-orange);
  box-shadow: 0 0 0 3px rgba(var(--accent-orange-rgb), .22);
}
.hero h1 {
  margin-top: 1.25rem;
  font-size: var(--fs-1);
  line-height: 1.04;
  letter-spacing: -0.025em;
  font-weight: 700;
  max-width: 18ch;
}
.hero h1 .grad {
  background: var(--brand-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero .lead {
  margin-top: 1.25rem;
  max-width: 60ch;
  font-size: clamp(1.05rem, 0.95rem + 0.3vw, 1.2rem);
  color: var(--text-dim);
}
.cta-row {
  display: flex; flex-wrap: wrap; gap: .75rem;
  margin-top: 1.75rem;
}
.cta-meta {
  margin-top: 1rem;
  font-size: var(--fs-small); color: var(--text-muted);
}

/* Terminal preview */
.terminal {
  margin-top: 3rem;
  background: linear-gradient(180deg, #0a142e 0%, #050b1b 100%);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 24px 60px -24px rgba(0,0,0,.6);
  position: relative;
}
.terminal::before {
  content: "";
  position: absolute; inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, rgba(var(--brand-1-rgb),.45), rgba(var(--brand-2-rgb),.35) 55%, transparent 85%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  pointer-events: none;
}
.terminal__bar {
  display: flex; align-items: center; justify-content: space-between;
  padding: .65rem 1rem;
  background: rgba(255,255,255,.02);
  border-bottom: 1px solid var(--border);
}
.terminal__lights { display: inline-flex; gap: .4rem; }
.terminal__lights span {
  width: 12px; height: 12px; border-radius: 50%;
  background: #2a3354;
}
.terminal__lights span:nth-child(1) { background: #ff5f57; }
.terminal__lights span:nth-child(2) { background: #febc2e; }
.terminal__lights span:nth-child(3) { background: #28c840; }
.terminal__title {
  font-family: ui-monospace, "SF Mono", "Cascadia Code", "Fira Code", Menlo, Consolas, monospace;
  font-size: .8rem; color: var(--text-muted);
}
.terminal__body {
  padding: 1.25rem 1.25rem 1.5rem;
  font-family: ui-monospace, "SF Mono", "Cascadia Code", "Fira Code", Menlo, Consolas, monospace;
  font-size: .92rem;
  line-height: 1.7;
  overflow-x: auto;
}
.terminal__body > span { display: block; }
.t-prompt::before { content: "$"; color: var(--brand-1); margin-right: .55rem; }
.t-prompt { color: var(--text); }
.t-cmd { color: var(--text); }
.t-arg { color: #93c5fd; }
.t-flag { color: #fbbf24; }
.t-out { color: var(--text-dim); }
.t-out em { font-style: normal; color: var(--text); }
.t-ok::before { content: "\2713  "; color: var(--success); font-weight: 700; }
.t-ok { color: var(--text-dim); }
.t-ok em { font-style: normal; color: var(--text); }
.t-blank { height: .65rem; }

/* ---------- Sections ---------- */
section { scroll-margin-top: 5rem; }
.section { padding: clamp(3.5rem, 6vw, 5.5rem) 0; }
.section--alt {
  background: linear-gradient(180deg, transparent, rgba(255,255,255,.02), transparent);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.section__head { max-width: 64ch; margin-bottom: 2.5rem; }
.section__eyebrow {
  font-size: .8rem; font-weight: 700; letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--brand-1);
}
.section__title {
  margin-top: .75rem;
  font-size: var(--fs-2);
  letter-spacing: -0.02em;
  font-weight: 700;
  line-height: 1.1;
}
.section__sub {
  margin-top: .9rem;
  color: var(--text-dim);
  max-width: 60ch;
}

/* ---------- Pillars ---------- */
.pillars { display: grid; gap: 1rem; grid-template-columns: repeat(3, minmax(0, 1fr)); }
@media (max-width: 880px) { .pillars { grid-template-columns: 1fr; } }

.pillar {
  position: relative;
  padding: 1.75rem;
  background: linear-gradient(180deg, rgba(255,255,255,.025), rgba(255,255,255,.012));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color var(--t), transform var(--t);
}
.pillar:hover { border-color: var(--border-strong); }
.pillar__icon {
  width: 44px; height: 44px;
  border-radius: 10px;
  background: rgba(var(--brand-1-rgb), .10);
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid rgba(var(--brand-1-rgb), .30);
  margin-bottom: 1.1rem;
}
.pillar__icon svg { width: 22px; height: 22px; color: var(--brand-1); }
.pillar h3 {
  font-size: 1.2rem; letter-spacing: -0.01em;
  font-weight: 700;
  margin-bottom: .5rem;
}
.pillar p { color: var(--text-dim); font-size: var(--fs-small); }

/* ---------- Feature grid ---------- */
.features { display: grid; gap: 1px; background: var(--border);
  border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
@media (max-width: 980px) { .features { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .features { grid-template-columns: 1fr; } }
.feature {
  background: var(--bg-soft);
  padding: 1.5rem;
  display: flex; flex-direction: column; gap: .5rem;
}
.feature__icon {
  width: 28px; height: 28px;
  color: var(--brand-1);
  margin-bottom: .25rem;
}
.feature h4 { font-size: 1rem; font-weight: 600; letter-spacing: -0.01em; }
.feature p { font-size: var(--fs-small); color: var(--text-dim); }

/* ---------- Compare table ---------- */
.compare-wrap {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow-x: auto;
  overflow-y: hidden;
  background: var(--bg-soft);
  -webkit-overflow-scrolling: touch;
}
.compare-grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1fr;
  font-size: var(--fs-small);
  min-width: 36rem;
}
.compare-grid > div {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
  border-left: 1px solid var(--border);
  vertical-align: top;
  color: var(--text-dim);
  white-space: nowrap;
}
.compare-grid > div:nth-child(4n+1) { border-left: 0; }
.compare-grid > div:nth-last-child(-n+4) { border-bottom: 0; }
.compare-grid .cmp-head {
  color: var(--text-muted); font-weight: 600;
  font-size: .8rem; text-transform: uppercase; letter-spacing: .06em;
  background: rgba(255,255,255,.02);
}
.compare-grid .cmp-task { color: var(--text); font-weight: 600; display: flex; align-items: center; gap: .65rem; }
.compare-grid .cmp-task-ic { width: 18px; height: 18px; flex: 0 0 18px; color: var(--brand-1); }
.compare-grid .cmp-plv {
  background: rgba(var(--brand-1-rgb), .06);
  color: var(--text);
}
.compare-grid .cmp-head.cmp-plv { color: var(--brand-1); }
.compare-grid .cmp-plv strong { color: var(--brand-1); font-weight: 600; }
.compare-grid .cmp-ic { width: 18px; height: 18px; vertical-align: middle; }
.compare-grid .cmp-yes { color: var(--success); }
.compare-grid .cmp-no { color: var(--text-muted); }
.compare-grid .cmp-partial { color: var(--warn); }

@media (max-width: 720px) {
  .compare-grid > div { padding: .85rem 1rem; }
}

/* ---------- Use cases ---------- */
.use-cases { display: grid; gap: 1rem; grid-template-columns: repeat(2, 1fr); }
@media (max-width: 800px) { .use-cases { grid-template-columns: 1fr; } }
.use-case {
  padding: 1.5rem 1.5rem 1.6rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-soft);
}
.use-case h3 { font-size: 1.1rem; margin-bottom: .35rem; letter-spacing: -0.01em; }
.use-case p { color: var(--text-dim); font-size: var(--fs-small); }
.use-case__tag {
  display: inline-block; font-size: .72rem; font-weight: 700; letter-spacing: .08em;
  text-transform: uppercase;
  padding: .25rem .55rem; border-radius: 999px;
  background: rgba(var(--brand-1-rgb),.10); color: var(--brand-1);
  border: 1px solid rgba(var(--brand-1-rgb),.30);
  margin-bottom: .8rem;
}

/* ---------- CTA strip ---------- */
.cta-strip {
  margin: 0 auto;
  padding: 2.5rem;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(700px 200px at 80% 0%, rgba(var(--brand-2-rgb), .22), transparent 60%),
    radial-gradient(600px 200px at 0% 100%, rgba(var(--brand-1-rgb), .14), transparent 60%),
    linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,.012));
  text-align: center;
}
.cta-strip h2 {
  font-size: var(--fs-2);
  letter-spacing: -0.02em;
  font-weight: 700;
  line-height: 1.1;
}
.cta-strip p { color: var(--text-dim); margin-top: .75rem; max-width: 56ch; margin-inline: auto; }
.cta-strip .cta-row { justify-content: center; margin-top: 1.5rem; }

.snippet {
  display: inline-flex; align-items: center; gap: .75rem;
  margin-top: 1.5rem;
  padding: .65rem .9rem;
  font-family: ui-monospace, "SF Mono", "Cascadia Code", "Fira Code", Menlo, Consolas, monospace;
  font-size: .9rem;
  background: rgba(0,0,0,.35);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
}
.snippet code { color: var(--text); }
.snippet .copy {
  font-size: .75rem; font-weight: 600; letter-spacing: .04em;
  color: var(--text-muted);
  padding: .25rem .5rem; border-radius: 6px;
  border: 1px solid var(--border-strong);
  background: rgba(255,255,255,.03);
  text-transform: uppercase;
  transition: color var(--t), background var(--t);
}
.snippet .copy:hover { color: var(--text); background: rgba(255,255,255,.06); }
.snippet .copy.is-copied { color: var(--success); border-color: rgba(52, 211, 153, .35); }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 2.5rem 0 3rem;
  margin-top: 3rem;
}
.site-footer__row {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: center;
  gap: 1rem;
}
.site-footer__brand { display: flex; align-items: center; gap: .65rem; }
.site-footer__brand img { width: 24px; height: 24px; }
.site-footer__meta { color: var(--text-muted); font-size: var(--fs-small); }
.site-footer__links { display: flex; flex-wrap: wrap; gap: 1.5rem; }
.site-footer__links a {
  color: var(--text-dim); text-decoration: none;
  font-size: var(--fs-small);
}
.site-footer__links a:hover { color: var(--text); }

/* =========================================================================
   DOWNLOADS PAGE
   ========================================================================= */
.dl-hero { padding: clamp(3.5rem, 6vw, 5.5rem) 0 1.5rem; }
.dl-hero h1 {
  font-size: clamp(2rem, 1.4rem + 2vw, 3rem);
  letter-spacing: -0.025em; line-height: 1.05; font-weight: 700;
}
.dl-hero .lead { color: var(--text-dim); margin-top: 1rem; max-width: 60ch; }
.dl-hero .meta {
  margin-top: 1rem; color: var(--text-muted);
  font-size: var(--fs-small);
  display: flex; flex-wrap: wrap; gap: .35rem 1.25rem;
  align-items: center;
}
.dl-hero .meta strong { color: var(--text); font-weight: 600; }

/* OS card grid */
.os-grid {
  display: grid; gap: 1rem;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 1.5rem;
}
@media (max-width: 880px) { .os-grid { grid-template-columns: 1fr; } }

.os {
  position: relative;
  padding: 1.5rem;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex; flex-direction: column;
  transition: border-color var(--t), transform var(--t);
}
.os:hover { border-color: var(--border-strong); }
.os__head {
  display: flex; align-items: center; gap: .75rem;
  margin-bottom: 1rem;
}
.os__icon {
  width: 38px; height: 38px;
  color: var(--text);
}
.os__icon svg { width: 100%; height: 100%; }
.os h3 { font-size: 1.1rem; font-weight: 700; letter-spacing: -0.01em; }
.os__sub { font-size: .85rem; color: var(--text-muted); }
.os__file {
  font-family: ui-monospace, "SF Mono", "Cascadia Code", "Fira Code", Menlo, Consolas, monospace;
  font-size: .8rem; color: var(--text-dim);
  margin-bottom: .75rem;
  word-break: break-all;
}
.os__details { color: var(--text-dim); font-size: var(--fs-small); margin-bottom: 1.25rem; flex: 1; }
.os__cta { display: flex; gap: .5rem; flex-wrap: wrap; }
.os.is-detected {
  border-color: rgba(var(--brand-1-rgb), .60);
  box-shadow: 0 0 0 4px rgba(var(--brand-1-rgb), .10), 0 18px 40px -20px rgba(var(--brand-1-rgb), .35);
}
.os.is-detected::after {
  content: "Detected";
  position: absolute; top: -10px; right: 16px;
  font-size: .68rem; font-weight: 700; letter-spacing: .08em;
  text-transform: uppercase;
  background: var(--brand-grad); color: #02060f;
  padding: .25rem .55rem; border-radius: 999px;
}

/* Components in box */
.dl-components {
  display: grid; gap: 1rem; grid-template-columns: repeat(3, 1fr);
}
@media (max-width: 720px) { .dl-components { grid-template-columns: 1fr; } }
.dl-comp {
  padding: 1.25rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-soft);
}
.dl-comp h4 {
  font-family: ui-monospace, "SF Mono", "Cascadia Code", "Fira Code", Menlo, Consolas, monospace;
  font-size: .95rem; color: var(--brand-1); font-weight: 600;
  margin-bottom: .35rem;
}
.dl-comp p { font-size: var(--fs-small); color: var(--text-dim); }

/* Checks list */
.req-list {
  display: grid; gap: .65rem;
}
.req-list li {
  padding: .85rem 1rem;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  display: flex; align-items: flex-start; gap: .75rem;
  font-size: var(--fs-small);
  color: var(--text-dim);
}
.req-list li svg {
  width: 18px; height: 18px; flex: none;
  color: var(--brand-1); margin-top: 2px;
}
.req-list li strong { color: var(--text); font-weight: 600; }
/* Keep the gap consistent between the OS-tab req-list and the always-visible
   req-list that follows it (matches the .65rem grid gap used within each ul). */
[data-tabs] + .req-list { margin-top: .65rem; }

/* Code block */
.code {
  background: linear-gradient(180deg, #0a142e 0%, #050b1b 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.code__bar {
  display: flex; justify-content: space-between; align-items: center;
  padding: .55rem .9rem; border-bottom: 1px solid var(--border);
  font-size: .78rem; color: var(--text-muted);
  font-family: ui-monospace, "SF Mono", "Cascadia Code", "Fira Code", Menlo, Consolas, monospace;
}
.code pre {
  margin: 0;
  padding: 1rem 1.1rem;
  font-family: ui-monospace, "SF Mono", "Cascadia Code", "Fira Code", Menlo, Consolas, monospace;
  font-size: .88rem;
  line-height: 1.7;
  color: var(--text-dim);
  overflow-x: auto;
}
.code pre .c { color: var(--brand-1); }
.code pre .v { color: #93c5fd; }
.code pre .s { color: var(--text); }

/* Tabs */
.tabs {
  display: flex; gap: .25rem; padding: .25rem;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  width: max-content;
  margin-bottom: 1rem;
}
.tab {
  padding: .5rem .85rem;
  font-size: .85rem; font-weight: 600;
  color: var(--text-dim);
  border-radius: 6px;
  transition: background var(--t), color var(--t);
}
.tab[aria-selected="true"] {
  background: var(--surface-2);
  color: var(--text);
}
.tab:not([aria-selected="true"]):hover { color: var(--text); }
.tabpanel { display: none; }
.tabpanel.is-active { display: block; }
.tabs--center { margin-inline: auto; }

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; animation: none !important; }
}

/* ---------- Selection ---------- */
::selection { background: rgba(var(--brand-1-rgb),.4); color: #02060f; }

/* ---------- Responsive text-swap helpers ---------- */
/* Pair a .hide-narrow span (full text) with a .show-narrow span (abbreviated)
   to swap copy at the 720px breakpoint without changing layout. */
.show-narrow { display: none; }
@media (max-width: 720px) {
  .hide-narrow { display: none; }
  .show-narrow { display: inline; }
}

/* ---------- Benchmark page ---------- */
.bench-summary {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 2rem;
}
.bench-card {
  position: relative;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
}
/* Highlight + "Fastest" badge — mirrors .os.is-detected on the download page */
.bench-card--fastest {
  border-color: rgba(var(--brand-1-rgb), .60);
  box-shadow: 0 0 0 4px rgba(var(--brand-1-rgb), .10), 0 18px 40px -20px rgba(var(--brand-1-rgb), .35);
}
.bench-card--fastest::after {
  content: "Fastest";
  position: absolute; top: -10px; right: 16px;
  font-size: .68rem; font-weight: 700; letter-spacing: .08em;
  text-transform: uppercase;
  background: var(--brand-grad); color: #02060f;
  padding: .25rem .55rem; border-radius: 999px;
}
.bench-card__system {
  font-size: .8rem; text-transform: uppercase; letter-spacing: .06em;
  font-weight: 700;
  margin-bottom: .35rem;
}
.bench-card__system--plv { color: var(--brand-1); }
.bench-card__system--p4  { color: #93c5fd; }
.bench-card__system--git { color: #fca5a5; }
.bench-card__time {
  font-size: 1.85rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -.01em;
  margin-bottom: .5rem;
  font-variant-numeric: tabular-nums;
}
.bench-card__note { color: var(--text-dim); font-size: var(--fs-small); margin: 0; }

/* Dataset stats row (file count, repo size) */
.bench-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin: 0 0 1.5rem;
}
.bench-stat {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
}
.bench-stat__icon {
  width: 40px;
  height: 40px;
  color: var(--brand-1);
  flex: 0 0 40px;
}
.bench-stat__number {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.01em;
  line-height: 1.05;
  font-variant-numeric: tabular-nums;
}
.bench-stat__label {
  font-size: var(--fs-small);
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-top: .35rem;
}
@media (max-width: 720px) {
  .bench-stats { grid-template-columns: 1fr; }
  .bench-stat__number { font-size: 1.7rem; }
  .bench-stat__icon { width: 32px; height: 32px; flex: 0 0 32px; }
}

.bench-bars { padding: .65rem 1.25rem; }
.bench-bar-row {
  display: grid;
  grid-template-columns: 108px 1fr 108px;
  gap: 1rem;
  align-items: start;
  padding: .65rem 0;
}
.bench-bar-label {
  color: var(--text); font-weight: 600;
  display: flex; align-items: center; height: 28px;
  white-space: nowrap;
}
.bench-bar-track {
  height: 28px;
  background: rgba(255,255,255,.03);
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
}
.bench-bar { height: 100%; min-width: 2px; border-radius: 5px; }
.bench-bar--plv { background: linear-gradient(90deg, var(--brand-1), var(--brand-mid)); }
.bench-bar--p4  { background: linear-gradient(90deg, #93c5fd, #60a5fa); }
.bench-bar--git { background: linear-gradient(90deg, #fca5a5, #f87171); }
.bench-bar--plastic { background: linear-gradient(90deg, #c4b5fd, #a78bfa); }
.bench-bar--svn     { background: linear-gradient(90deg, #fcd34d, #f59e0b); }
.bench-bar-time {
  color: var(--text-dim); font-variant-numeric: tabular-nums;
  display: flex; align-items: center; justify-content: flex-end; height: 28px;
  white-space: nowrap;
}

.bench-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--fs-small);
}
.bench-table th, .bench-table td {
  padding: .95rem 1.15rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}
.bench-table thead th {
  color: var(--text-muted); font-weight: 600;
  font-size: .8rem; text-transform: uppercase; letter-spacing: .06em;
  background: rgba(255,255,255,.02);
}
.bench-table tbody tr:last-child td,
.bench-table tbody tr:last-child th { border-bottom: 0; }
.bench-table td { color: var(--text); }
.bench-table .bench-note { color: var(--text-dim); }
/* Lock the per-system phase tables to identical column widths so switching
   tabs doesn't shift the layout. Time column also stays on a single line. */
.bench-table:not(.bench-table--keyval) { table-layout: fixed; min-width: 32rem; }
.bench-table:not(.bench-table--keyval) th:nth-child(1),
.bench-table:not(.bench-table--keyval) td:nth-child(1) { width: 22%; }
.bench-table:not(.bench-table--keyval) th:nth-child(2),
.bench-table:not(.bench-table--keyval) td:nth-child(2) { width: 12%; white-space: nowrap; }
.bench-table:not(.bench-table--keyval) th:nth-child(3),
.bench-table:not(.bench-table--keyval) td:nth-child(3) { width: 66%; }
.bench-table--keyval th {
  color: var(--text);
  font-weight: 600;
  width: 28%;
  font-size: var(--fs-small);
  text-transform: none;
  letter-spacing: 0;
  background: transparent;
}

.bench-callout {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-left: 3px solid var(--warn);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
}
.bench-callout__title {
  font-size: 1.15rem;
  margin: 0 0 .5rem;
  color: var(--text);
  font-weight: 600;
}
.bench-callout p { color: var(--text-dim); margin: 0; }

.bench-back { margin: 1.5rem 0 0; font-size: var(--fs-small); }
.bench-back a { color: var(--brand-1); text-decoration: none; }
.bench-back a:hover { text-decoration: underline; }

@media (max-width: 720px) {
  .bench-summary { grid-template-columns: 1fr; }
  .bench-bar-row { grid-template-columns: 84px 1fr 80px; gap: .75rem; }
  .bench-table th, .bench-table td { padding: .8rem .9rem; }
  .bench-table--keyval th { width: auto; }
}

/* Footnote-style asterisk link inside a comparison row */
.compare-grid .cmp-task .cmp-asterisk {
  color: var(--brand-1);
  text-decoration: none;
  font-weight: 700;
}
.compare-grid .cmp-task .cmp-asterisk:hover { text-decoration: underline; }

/* Stacked phase-times bar chart (segments inside one bar per system) */
.bench-bar-track--stack { display: flex; align-items: stretch; }
.bench-bar-seg {
  height: 100%;
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  box-sizing: border-box;
  padding: 0;
  font-size: .72rem;
  font-weight: 700;
  color: rgba(5, 11, 27, .85);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}
.bench-bar-seg--plv { background: linear-gradient(90deg, var(--brand-1), var(--brand-mid)); }
.bench-bar-seg--p4  { background: linear-gradient(90deg, #93c5fd, #60a5fa); }
.bench-bar-seg--git { background: linear-gradient(90deg, #fca5a5, #f87171); }
.bench-bar-seg--plastic { background: linear-gradient(90deg, #c4b5fd, #a78bfa); }
.bench-bar-seg--svn     { background: linear-gradient(90deg, #fcd34d, #f59e0b); }

/* Extra benchmark systems (Plastic, Subversion) — hidden by default and
   revealed when body gets .is-extended via the Show more toggle. */
.bench-extra { display: none; }
.is-extended .bench-bar-row.bench-extra { display: grid; }
.is-extended .tab.bench-extra { display: inline-flex; }
.is-extended span.bench-extra { display: inline; }

.bench-show-more {
  display: block;
  margin: -2.25rem 0 0 auto;
  padding: .2rem .35rem;
  border: 0;
  background: transparent;
  color: var(--brand-1);
  font: inherit;
  font-size: .82rem;
  font-weight: 600;
  cursor: pointer;
  transition: color var(--t);
}
.bench-show-more:hover { color: var(--text); text-decoration: underline; }
.bench-bar-seg:not(:last-child) { border-right: 2px solid rgba(5, 11, 27, .65); }
/* Round the right edge of a stacked bar when it doesn't reach the track's right
   edge (Absolute view, PLV + Perforce). Track's overflow:hidden hides this curve
   for bars that already touch the edge, so the rule is safe in both views. */
.bench-bar-track--stack > .bench-bar-seg:last-child {
  border-top-right-radius: 5px;
  border-bottom-right-radius: 5px;
}

/* Phase labels positioned under each segment of the stacked bar */
.bench-bar-stack-wrap { display: flex; flex-direction: column; }
.bench-bar-stack-labels {
  position: relative;
  min-height: 1.2rem;
  margin-top: .4rem;
}
.bench-bar-stack-label {
  position: absolute;
  top: 0;
  transform: translateX(-50%);
  font-size: .7rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: .05em;
  white-space: nowrap;
}
.bench-chart-caption {
  color: var(--text-dim);
  font-size: var(--fs-small);
  text-align: center;
  margin: .85rem 0 0;
}