:root {
  --deep: #040b16;
  --navy: #060f1c;
  --panel: rgba(5, 13, 26, 0.8);
  --panel-strong: rgba(5, 13, 26, 0.92);
  --line: rgba(130, 175, 230, 0.16);
  --line-strong: rgba(130, 175, 230, 0.3);
  --ink: #e9eff7;
  --muted: #a3b5ca;
  --faint: #7890ab;
  --accent: #0772fe;
  --accent-text: #5aa2ff;
  --accent-soft: rgba(7, 114, 254, 0.14);
  --good: #5ad59a;
  --pixel: "Pixelify Sans", "Segoe UI", system-ui, sans-serif;
  --body: "IBM Plex Sans", "Segoe UI", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "Cascadia Mono", Consolas, monospace;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html { background: var(--deep); scroll-behavior: smooth; }
body { margin: 0; background: var(--deep); color: var(--ink); font-family: var(--body); font-size: 16px; line-height: 1.6; overflow-x: hidden; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

#sea-wrap { position: fixed; inset: 0; overflow: hidden; z-index: 0; pointer-events: none; }
#sea { display: block; width: 0; height: 0; image-rendering: pixelated; image-rendering: crisp-edges; }

.skip { position: absolute; left: 16px; top: -48px; z-index: 10; background: var(--accent); color: #fff; padding: 8px 14px; border-radius: 4px; }
.skip:focus { top: 12px; }

h1, h2, h3 { margin: 0; line-height: 1.15; text-wrap: balance; }
h1, h2 { font-family: var(--pixel); font-weight: 600; letter-spacing: 0.01em; }
h1 { font-size: clamp(2.1rem, 5.4vw, 3.7rem); }
h2 { font-size: clamp(1.6rem, 3.4vw, 2.2rem); }
h3 { font-size: 1.05rem; font-weight: 600; }
p { margin: 0; max-width: 66ch; }
a { color: var(--accent-text); text-underline-offset: 3px; }
:focus-visible { outline: 2px solid var(--accent-text); outline-offset: 3px; border-radius: 2px; }
.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.muted { color: var(--muted); }
.eyebrow { font-family: var(--mono); font-size: 0.78rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent-text); }

/* Header */
.site-head { position: relative; z-index: 2; max-width: 1120px; margin: 0 auto; padding: 18px 16px; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px 24px; }
.site-head .brand img { height: 34px; width: auto; display: block; }
.site-head nav { display: flex; flex-wrap: wrap; gap: 4px 6px; }
.site-head nav a { color: var(--muted); text-decoration: none; font-size: 0.95rem; padding: 6px 10px; border-radius: 4px; }
.site-head nav a:hover { color: var(--ink); background: rgba(160, 190, 225, 0.08); }
.site-head nav a[aria-current="page"] { color: var(--ink); background: rgba(7, 114, 254, 0.2); }

.wrap { position: relative; z-index: 1; max-width: 1120px; margin: 0 auto; padding: 0 16px 56px; display: grid; gap: 72px; }

.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 6px; padding: clamp(20px, 4vw, 36px); backdrop-filter: blur(3px); -webkit-backdrop-filter: blur(3px); }
.section-head { display: grid; gap: 10px; margin-bottom: 28px; }
.page-head { display: grid; gap: 14px; padding-top: 32px; }
.page-head h1 { max-width: 20ch; text-shadow: 0 2px 18px rgba(2, 8, 18, 0.8); }
.page-head .lead { font-size: 1.12rem; color: var(--muted); max-width: 62ch; text-shadow: 0 1px 12px rgba(2, 8, 18, 0.9); }

/* Buttons */
.btns { display: flex; flex-wrap: wrap; gap: 12px; }
.btn { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; font-size: 0.98rem; padding: 11px 18px; border-radius: 5px; text-decoration: none; border: 1px solid transparent; }
.btn.primary { background: var(--accent); color: #fff; }
.btn.primary:hover { background: #1a80ff; }
.btn.ghost { color: var(--ink); border-color: var(--line-strong); background: var(--panel-strong); }
.btn.ghost:hover { border-color: var(--accent-text); }

/* Home hero */
.hero { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr); gap: 48px; align-items: center; padding-top: 36px; min-height: min(78svh, 720px); }
@media (max-width: 900px) { .hero { grid-template-columns: minmax(0, 1fr); gap: 36px; min-height: 0; } }
.hero-text { display: grid; gap: 22px; }
.hero h1 { text-shadow: 0 2px 18px rgba(2, 8, 18, 0.8); }
.hero .lead { font-size: 1.15rem; color: var(--muted); max-width: 52ch; text-shadow: 0 1px 12px rgba(2, 8, 18, 0.9); }
.hero .facts { font-size: 0.86rem; color: var(--faint); display: flex; flex-wrap: wrap; gap: 4px 18px; }
.hero-chart { display: grid; gap: 10px; }
.hero-chart .top { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: end; gap: 6px 16px; }
.hero-chart .big { font-family: var(--mono); font-weight: 600; font-size: clamp(2.2rem, 6vw, 3rem); line-height: 1; color: var(--accent-text); }
.hero-chart .cap { font-size: 0.85rem; color: var(--muted); }
.hero-chart .foot { font-size: 0.8rem; color: var(--faint); display: flex; flex-wrap: wrap; justify-content: space-between; gap: 6px 16px; }

/* Pillars and stats */
.pillars { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
@media (max-width: 900px) { .pillars { grid-template-columns: minmax(0, 1fr); } }
.pillar { display: grid; gap: 10px; align-content: start; }
.pillar h2 { font-size: clamp(1.4rem, 2.4vw, 1.75rem); }
.pillar p { color: var(--muted); font-size: 0.95rem; }
.pillar ul { margin: 0; padding-left: 18px; color: var(--muted); font-size: 0.92rem; display: grid; gap: 4px; }
.pillar .more { font-size: 0.9rem; margin-top: 4px; }
.stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
@media (max-width: 900px) { .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 420px) { .stats { grid-template-columns: minmax(0, 1fr); } }
.stat { border-left: 2px solid var(--accent); padding: 2px 0 2px 14px; display: grid; gap: 2px; }
.stat .n { font-family: var(--mono); font-weight: 600; font-size: 1.7rem; color: var(--accent-text); line-height: 1.2; }
.stat .n.good { color: var(--good); }
.stat .t { font-size: 0.85rem; color: var(--muted); }

.tag { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.04em; width: fit-content; padding: 1px 8px; border-radius: 3px; }
.tag.done { color: var(--good); background: rgba(90, 213, 154, 0.1); }
.tag.dev { color: var(--accent-text); background: var(--accent-soft); }
.tag.plan { color: var(--muted); background: rgba(163, 181, 202, 0.1); }

/* Charts */
.controls { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 10px; margin-bottom: 22px; }
.controls .label { font-size: 0.9rem; color: var(--muted); margin-right: 4px; }
.chip { font: 600 0.9rem var(--mono); color: var(--muted); background: transparent; border: 1px solid var(--line-strong); border-radius: 4px; padding: 5px 12px; cursor: pointer; }
.chip + .chip { margin-left: 6px; }
.chip:hover { color: var(--ink); border-color: var(--accent-text); }
.chip[aria-pressed="true"] { color: #fff; background: var(--accent); border-color: var(--accent); }

.metrics { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
@media (max-width: 980px) { .metrics { grid-template-columns: minmax(0, 1fr); } }
.metric { border: 1px solid var(--line); border-radius: 6px; padding: 18px 18px 14px; background: rgba(3, 9, 19, 0.5); display: grid; gap: 16px; align-content: start; }
.metric-head { display: grid; gap: 2px; }
.metric-head .sub { font-size: 0.8rem; color: var(--faint); }
.lower { font-family: var(--mono); font-size: 0.72rem; color: var(--good); letter-spacing: 0.04em; }
.group-title { font-size: 0.8rem; color: var(--muted); margin-bottom: 4px; display: flex; justify-content: space-between; gap: 8px; }
.group-title b { color: var(--ink); font-weight: 600; }
.bars { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; }
.bar-row { display: grid; grid-template-columns: 3.9rem minmax(0, 1fr) 5.8rem; column-gap: 10px; align-items: center; padding: 4px 0; }
.bar-row .name { font-size: 0.85rem; color: var(--muted); }
.bar-row.is-mako .name { color: var(--ink); font-weight: 600; }
.track { height: 12px; background: rgba(160, 190, 225, 0.07); border-radius: 2px; position: relative; overflow: hidden; }
.fill { position: absolute; inset: 0 auto 0 0; background: var(--accent); border-radius: 2px; transition: width 0.5s ease; }
.fill.off { background: #5b7393; }
.val { font-family: var(--mono); font-size: 0.85rem; text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.delta { grid-column: 2 / 4; font-size: 0.72rem; color: var(--faint); margin-top: 1px; }
.delta.better { color: var(--good); }
.pending .track { background: repeating-linear-gradient(-45deg, rgba(163, 181, 202, 0.16) 0 5px, transparent 5px 10px); outline: 1px dashed rgba(163, 181, 202, 0.28); outline-offset: -1px; }
.pending .val { font-family: var(--body); font-size: 0.75rem; color: var(--faint); }
.limit { position: absolute; top: 0; bottom: 0; right: 0; width: 2px; background: rgba(255, 255, 255, 0.25); }
.chart-notes { margin-top: 22px; display: grid; gap: 6px; font-size: 0.88rem; color: var(--muted); }
@media (prefers-reduced-motion: reduce) { .fill { transition: none; } }

.line-chart { border: 1px solid var(--line); border-radius: 6px; padding: 16px 14px 10px; background: rgba(3, 9, 19, 0.5); display: grid; gap: 8px; margin: 0; }
.line-chart.bare { border: 0; padding: 0; background: none; }
.line-chart svg { width: 100%; height: auto; display: block; overflow: visible; }
.line-chart text { font-family: var(--mono); font-size: 12px; fill: var(--faint); }
.line-chart text.v { fill: var(--ink); font-weight: 600; }
.line-chart text.lim { fill: var(--muted); }

.sub-block { margin-top: 44px; }
.ab-summary { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin-bottom: 22px; }
@media (max-width: 560px) { .ab-summary { grid-template-columns: minmax(0, 1fr); } }

/* Proof */
.shots { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
@media (max-width: 820px) { .shots { grid-template-columns: minmax(0, 1fr); } }
.shot { margin: 0; display: grid; gap: 10px; }
.shot .frame { aspect-ratio: 16 / 9; border: 1px dashed var(--line-strong); border-radius: 4px; display: grid; place-items: center; background: repeating-linear-gradient(-45deg, rgba(160, 190, 225, 0.05) 0 8px, transparent 8px 16px); font-family: var(--pixel); color: var(--faint); font-size: 1rem; }
.shot figcaption { font-size: 0.88rem; color: var(--muted); }

/* Lists of features */
.verify { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 10px 28px; align-items: center; }
.verify .zero { font-family: var(--mono); font-size: clamp(3rem, 9vw, 4.4rem); font-weight: 600; line-height: 1; color: var(--good); }
@media (max-width: 520px) { .verify { grid-template-columns: minmax(0, 1fr); } }
.rules { list-style: none; margin: 28px 0 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px 32px; }
@media (max-width: 700px) { .rules { grid-template-columns: minmax(0, 1fr); } }
.rules li { padding-left: 22px; position: relative; color: var(--muted); font-size: 0.95rem; }
.rules li::before { content: ""; position: absolute; left: 2px; top: 0.6em; width: 8px; height: 8px; background: var(--good); }
.rules li b { color: var(--ink); font-weight: 600; }
.features { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px 36px; }
@media (max-width: 700px) { .features { grid-template-columns: minmax(0, 1fr); } }
.feature { display: grid; gap: 6px; align-content: start; }
.feature p { color: var(--muted); font-size: 0.95rem; }
.feature .switch { font-family: var(--mono); font-size: 0.75rem; color: var(--faint); }

dl.table { display: grid; grid-template-columns: 9rem minmax(0, 1fr); gap: 0; margin: 0; }
dl.table dt, dl.table dd { padding: 12px 0; border-top: 1px solid var(--line); margin: 0; }
dl.table dt { color: var(--faint); font-size: 0.88rem; padding-top: 14px; }
@media (max-width: 560px) { dl.table { grid-template-columns: minmax(0, 1fr); } dl.table dd { border-top: 0; padding-top: 0; } }

.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 36px; }
@media (max-width: 820px) { .split { grid-template-columns: minmax(0, 1fr); } }

.steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 0; }
.steps > li { display: grid; grid-template-columns: 7.5rem minmax(0, 1fr); gap: 16px; padding: 16px 0; border-top: 1px solid var(--line); }
.steps > li:first-child { border-top: 0; padding-top: 0; }
.steps .when { font-family: var(--mono); font-size: 0.82rem; color: var(--accent-text); padding-top: 2px; }
.steps ul { margin: 6px 0 0; padding-left: 18px; color: var(--muted); font-size: 0.93rem; display: grid; gap: 3px; }
@media (max-width: 520px) { .steps > li { grid-template-columns: minmax(0, 1fr); gap: 4px; } }

.faq { display: grid; gap: 0; }
.faq details { border-top: 1px solid var(--line); padding: 14px 0; }
.faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; font-weight: 600; list-style: none; display: flex; justify-content: space-between; gap: 12px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-family: var(--mono); color: var(--accent-text); }
.faq details[open] summary::after { content: "\2212"; }
.faq details p { color: var(--muted); margin-top: 8px; font-size: 0.95rem; }

.cta { border-color: rgba(7, 114, 254, 0.45); background: linear-gradient(180deg, rgba(7, 40, 90, 0.55), var(--panel-strong)); display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 20px 32px; align-items: center; }
@media (max-width: 720px) { .cta { grid-template-columns: minmax(0, 1fr); } }
.cta p { color: var(--muted); }

.site-foot { position: relative; z-index: 1; max-width: 1120px; margin: 0 auto; padding: 0 16px 40px; }
.site-foot .panel { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 14px 32px; font-size: 0.86rem; color: var(--muted); }
.site-foot nav { display: flex; flex-wrap: wrap; gap: 6px 18px; }
.site-foot nav a { color: var(--muted); text-decoration: none; }
.site-foot nav a:hover { color: var(--ink); }
@media (max-width: 720px) { .site-foot .panel { grid-template-columns: minmax(0, 1fr); } }

/* Readability: dark glow behind text that sits on the open ocean */
.hero-text, .page-head { position: relative; isolation: isolate; }
.hero-text::before, .page-head::before { content: ""; position: absolute; inset: -56px -40px; z-index: -1; pointer-events: none; background: radial-gradient(closest-side, rgba(4, 11, 22, 0.86), rgba(4, 11, 22, 0.6) 62%, rgba(4, 11, 22, 0) 100%); }
@media (max-width: 600px) { .hero-text::before, .page-head::before { inset: -40px -16px; } }

/* Hero comparison box */
.hb { display: grid; gap: 22px; margin: 0; }
.hb-head { display: grid; gap: 4px; }
.hb-title { font-family: var(--body); font-size: 1.15rem; font-weight: 600; }
.hb-sub { font-size: 0.85rem; color: var(--muted); }
.hb-metric { display: grid; gap: 7px; }
.hb-name { font-family: var(--mono); font-size: 0.75rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.hb-row { display: grid; grid-template-columns: 3.6rem minmax(0, 1fr) 6.4rem; gap: 12px; align-items: center; }
.hb-label { font-size: 0.9rem; color: var(--muted); }
.hb-row.on .hb-label { color: var(--ink); font-weight: 600; }
.hb-track { height: 18px; }
.hb-fill { display: block; height: 100%; border-radius: 4px; background: var(--accent); }
.hb-row.off .hb-fill { background: #4b5b70; }
.hb-val { font-family: var(--mono); font-size: 0.95rem; font-variant-numeric: tabular-nums; white-space: nowrap; }
.hb-row.off .hb-val { color: var(--muted); }
.hb-delta { font-size: 0.9rem; font-weight: 600; color: var(--good); }
.hb-foot { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 6px 16px; font-size: 0.8rem; color: var(--faint); border-top: 1px solid var(--line); padding-top: 14px; }

/* Glossary terms */
.term { background: rgba(7, 114, 254, 0.16); border-bottom: 1px dotted var(--accent-text); border-radius: 3px; padding: 0 2px; cursor: help; }
.term:hover, .term:focus-visible { background: rgba(7, 114, 254, 0.3); }
#term-tip { position: fixed; left: 0; top: 0; z-index: 50; max-width: min(300px, calc(100vw - 16px)); padding: 9px 12px; border-radius: 6px; background: #0b1a30; border: 1px solid var(--line-strong); box-shadow: 0 8px 28px rgba(0, 0, 0, 0.5); color: var(--ink); font: 400 0.85rem/1.45 var(--body); letter-spacing: 0; text-transform: none; pointer-events: none; opacity: 0; visibility: hidden; transition: opacity 0.12s ease; }
#term-tip.on { opacity: 1; visibility: visible; }
@media (prefers-reduced-motion: reduce) { #term-tip { transition: none; } }