:root {
  --navy: #11263d;
  --navy-2: #1b3550;
  --paper: #f5f1e8;
  --paper-2: #ece6d8;
  --card: #fffdf8;
  --ink: #1d2733;
  --muted: #5e6672;
  --rule: #d8cfbd;
  --gold: #b99b62;
  --gold-soft: #efe3c8;
  --green: #47705d;
  --green-soft: #e1ebe4;
  --red: #a8322b;
  --font-head: "DM Serif Display", Georgia, "Times New Roman", serif;
  --font-ui: "Manrope", "Segoe UI", system-ui, sans-serif;
  --font-body: "Source Sans 3", "Segoe UI", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, Consolas, monospace;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  color-scheme: light;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--font-body); font-size: 19px; line-height: 1.6; overflow-x: hidden; }
img, video { max-width: 100%; display: block; }
a { color: var(--navy); }
button { font: inherit; cursor: pointer; color: inherit; }
:focus-visible { outline: 3px solid var(--gold); outline-offset: 3px; }
.gutter { padding-left: max(20px, env(safe-area-inset-left, 0px)); padding-right: max(20px, env(safe-area-inset-right, 0px)); }
.wrap { max-width: 1200px; margin: 0 auto; }
h1, h2, h3 { font-family: var(--font-head); font-weight: 400; color: var(--navy); margin: 0; text-wrap: balance; letter-spacing: -0.005em; }
h1 { font-size: clamp(40px, 5.6vw, 72px); line-height: 1.04; }
h2 { font-size: clamp(32px, 4.2vw, 54px); line-height: 1.08; }
h3 { font-size: clamp(22px, 2.2vw, 28px); line-height: 1.2; }
h1 em, h2 em { font-style: italic; color: var(--gold); }
p { margin: 0; }
.kicker { display: inline-flex; align-items: center; gap: 10px; font-family: var(--font-ui); font-size: 12.5px; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); }
.label { background: var(--red); color: #fff; padding: 3px 9px; border-radius: 2px; letter-spacing: 0.14em; }
.lede { font-size: clamp(19px, 1.6vw, 22px); color: #3a4452; max-width: 58ch; }
.source { font-family: var(--font-ui); font-size: 13px; color: var(--muted); }
.source a { color: var(--muted); }

/* buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 54px; padding: 0 26px; border-radius: 8px; font-family: var(--font-ui); font-weight: 700; font-size: 16px; text-decoration: none; border: 1.5px solid transparent; transition: background 0.18s, color 0.18s, transform 0.18s, box-shadow 0.18s; }
.btn:hover { transform: translateY(-2px); }
.btn.primary { background: var(--navy); color: var(--paper); box-shadow: 0 10px 26px rgb(17 38 61 / 0.22); }
.btn.primary:hover { background: var(--navy-2); }
.btn.gold { background: var(--gold); color: var(--navy); }
.btn.gold:hover { background: #c8ab72; }
.btn.line { border-color: var(--navy); color: var(--navy); background: transparent; }
.btn.line:hover { background: var(--navy); color: var(--paper); }
.btn.line-light { border-color: rgb(245 241 232 / 0.5); color: var(--paper); }
.btn.line-light:hover { background: var(--paper); color: var(--navy); }

/* masthead */
.topline { background: var(--navy); color: rgb(245 241 232 / 0.8); font-family: var(--font-ui); font-size: 12.5px; letter-spacing: 0.06em; padding-block: 8px; }
.topline .wrap { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.mast { position: sticky; top: 0; z-index: 40; background: rgb(245 241 232 / 0.92); backdrop-filter: blur(10px); border-bottom: 1px solid var(--rule); padding-block: 14px; }
.mast .wrap { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.logo { display: flex; align-items: baseline; gap: 10px; text-decoration: none; color: var(--navy); }
.logo b { font-family: var(--font-head); font-weight: 400; font-size: 30px; letter-spacing: 0.01em; }
.logo span { font-family: var(--font-ui); font-size: 12px; font-weight: 700; letter-spacing: 0.18em; text-transform: uppercase; color: var(--gold); }
.mast nav { display: flex; gap: 26px; font-family: var(--font-ui); font-size: 15px; font-weight: 600; }
.mast nav a { text-decoration: none; color: var(--ink); position: relative; padding-block: 4px; }
.mast nav a::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 2px; background: var(--gold); transform: scaleX(0); transform-origin: left; transition: transform 0.2s var(--ease); }
.mast nav a:hover::after { transform: scaleX(1); }
.mast .btn { min-height: 44px; padding: 0 18px; font-size: 14.5px; }
@media (max-width: 960px) { .mast nav { display: none; } }
@media (max-width: 420px) { .logo span { display: none; } }

/* hero */
.hero { padding-block: clamp(40px, 6vw, 80px) clamp(56px, 7vw, 96px); }
.hero .wrap { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: clamp(28px, 5vw, 70px); align-items: center; }
@media (max-width: 900px) { .hero .wrap { grid-template-columns: minmax(0, 1fr); } }
.hero-copy { display: grid; gap: 24px; }
.ctas { display: flex; flex-wrap: wrap; gap: 12px; }
.trust { display: flex; flex-wrap: wrap; gap: 8px 22px; padding: 0; margin: 0; list-style: none; font-family: var(--font-ui); font-size: 15px; font-weight: 600; color: var(--green); }
.trust li { display: flex; align-items: center; gap: 8px; }
.trust li::before { content: ""; width: 18px; height: 18px; border-radius: 50%; background: var(--green-soft) url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 18 18'><path d='M5 9.2 7.6 12 13 6.4' fill='none' stroke='%2347705D' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/></svg>") center / 18px no-repeat; }
.hero-media { position: relative; }
.film { position: relative; border-radius: 6px; overflow: hidden; aspect-ratio: 4 / 5; box-shadow: 0 30px 70px rgb(17 38 61 / 0.25); background: var(--navy); }
@media (max-width: 900px) { .film { aspect-ratio: 16 / 10; } }
.film video, .film img { width: 100%; height: 100%; object-fit: cover; filter: brightness(1.25) saturate(1.05); }
.film::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgb(17 38 61 / 0) 45%, rgb(17 38 61 / 0.75)); pointer-events: none; }
.caption { position: absolute; left: 18px; right: 18px; bottom: 14px; z-index: 2; font-family: var(--font-ui); font-size: 12.5px; color: rgb(245 241 232 / 0.85); }
.float-card { position: absolute; z-index: 3; left: -34px; top: 34px; background: var(--card); border: 1px solid var(--rule); border-radius: 8px; padding: 16px 18px; box-shadow: 0 18px 40px rgb(17 38 61 / 0.18); display: grid; gap: 4px; max-width: 250px; }
.float-card .big { font-family: var(--font-head); font-size: 40px; color: var(--navy); line-height: 1; }
.float-card .small { font-family: var(--font-ui); font-size: 13px; color: var(--muted); }
.float-card .vs { font-family: var(--font-ui); font-size: 13px; font-weight: 700; color: var(--green); }
@media (max-width: 900px) { .float-card { left: 12px; top: 12px; padding: 12px 14px; } .float-card .big { font-size: 30px; } }

/* sections */
section.sec { padding-block: clamp(64px, 9vw, 120px); }
.rule { height: 1px; background: var(--navy); transform-origin: left; margin-bottom: 26px; }
.sec-head { display: grid; gap: 16px; margin-bottom: 42px; max-width: 820px; }

/* in focus */
.focus .wrap > .grid2 { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: clamp(28px, 5vw, 64px); align-items: start; }
@media (max-width: 900px) { .focus .wrap > .grid2 { grid-template-columns: minmax(0, 1fr); } }
.dateline { font-family: var(--font-ui); font-size: 13px; color: var(--muted); }
.article { display: grid; gap: 20px; }
.article p { max-width: 60ch; }
.hl { background-image: linear-gradient(var(--gold-soft), var(--gold-soft)); background-repeat: no-repeat; background-size: 0% 100%; background-position: left; transition: background-size 0.8s var(--ease); padding: 0 2px; }
.in .hl { background-size: 100% 100%; }
.in .hl:nth-of-type(2) { transition-delay: 0.25s; }
.in .hl:nth-of-type(3) { transition-delay: 0.5s; }
.facts { display: grid; gap: 14px; }
.fact { display: grid; grid-template-columns: 120px minmax(0, 1fr); gap: 16px; align-items: center; padding: 18px 20px; background: var(--card); border: 1px solid var(--rule); border-radius: 6px; }
.fact b { font-family: var(--font-head); font-weight: 400; font-size: 44px; color: var(--navy); line-height: 1; font-variant-numeric: tabular-nums; }
.fact span { font-size: 16.5px; color: var(--muted); }
.fact.kiara { background: var(--navy); border-color: var(--navy); }
.fact.kiara b { color: var(--gold); }
.fact.kiara span { color: rgb(245 241 232 / 0.85); }
.focus-photo { position: relative; border-radius: 6px; overflow: hidden; aspect-ratio: 16 / 9; margin-top: 40px; }
.focus-photo video { width: 100%; height: 100%; object-fit: cover; filter: blur(10px) saturate(0.8); transform: scale(1.06); transition: filter 1.2s var(--ease), transform 1.6s var(--ease); }
.focus-photo.in video { filter: blur(0) saturate(1); transform: scale(1); }
.focus-photo .caption { color: #fff; }
.focus-photo::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 55%, rgb(17 38 61 / 0.7)); }

/* explainer tabs */
.explainer { background: var(--paper-2); }
.tabs { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; border-bottom: 1px solid var(--rule); margin-bottom: 30px; }
.tab { text-align: left; padding: 16px 4px 18px; background: none; border: none; border-bottom: 3px solid transparent; margin-bottom: -1px; font-family: var(--font-ui); font-weight: 700; font-size: 17px; color: var(--muted); display: grid; gap: 4px; transition: color 0.2s, border-color 0.2s; }
.tab small { font-weight: 600; font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--gold); }
.tab[aria-selected="true"] { color: var(--navy); border-bottom-color: var(--navy); }
@media (max-width: 640px) { .tab { font-size: 14.5px; } }
.panel { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: clamp(24px, 4vw, 56px); align-items: center; }
.panel[hidden] { display: none; }
@media (max-width: 860px) { .panel { grid-template-columns: minmax(0, 1fr); } }
.panel.show { animation: panelIn 0.45s var(--ease); }
@keyframes panelIn { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }
.panel-copy { display: grid; gap: 16px; }
.doc { background: var(--card); border: 1px solid var(--rule); border-radius: 8px; box-shadow: 0 20px 50px rgb(17 38 61 / 0.12); overflow: hidden; }
.doc-head { display: flex; justify-content: space-between; padding: 12px 16px; border-bottom: 1px solid var(--rule); font-family: var(--font-ui); font-size: 12.5px; color: var(--muted); letter-spacing: 0.06em; }
.doc pre { margin: 0; padding: 18px; font-family: var(--font-mono); font-size: 14px; line-height: 1.75; overflow-x: auto; color: var(--ink); }
.doc .mark { background: linear-gradient(var(--gold-soft), var(--gold-soft)) no-repeat left / 0% 100%; transition: background-size 0.9s var(--ease) 0.3s; border-radius: 3px; }
.panel.show .doc .mark { background-size: 100% 100%; }
.doc .c { color: var(--green); }

/* playground */
.play-card { background: var(--card); border: 1px solid var(--rule); border-radius: 10px; box-shadow: 0 30px 80px rgb(17 38 61 / 0.12); padding: clamp(16px, 2.6vw, 32px); display: grid; gap: 22px; }
.searchbox { position: relative; }
.searchbox label { display: block; font-family: var(--font-ui); font-weight: 700; font-size: 15px; color: var(--navy); margin-bottom: 8px; }
.search-field { position: relative; }
.search-field svg { position: absolute; left: 18px; top: 50%; transform: translateY(-50%); width: 22px; height: 22px; color: var(--gold); }
#q { width: 100%; font: inherit; font-size: clamp(19px, 2vw, 22px); padding: 18px 18px 18px 52px; border-radius: 8px; border: 1.5px solid var(--rule); background: var(--paper); color: var(--ink); transition: border-color 0.18s, box-shadow 0.18s; }
#q:focus { outline: none; border-color: var(--navy); box-shadow: 0 0 0 4px rgb(185 155 98 / 0.3); }
#suggest { position: absolute; left: 0; right: 0; top: 100%; margin: 6px 0 0; padding: 6px; list-style: none; z-index: 20; background: var(--card); border: 1px solid var(--rule); border-radius: 8px; box-shadow: 0 16px 40px rgb(17 38 61 / 0.15); }
#suggest li { padding: 10px 14px; border-radius: 6px; cursor: pointer; font-family: var(--font-mono); font-size: 15px; }
#suggest li[aria-selected="true"], #suggest li:hover { background: var(--gold-soft); }
#suggest li span { color: var(--muted); }
.presets { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-top: 12px; font-family: var(--font-ui); font-size: 14px; color: var(--muted); }
.preset { font-family: var(--font-ui); font-size: 14px; font-weight: 600; padding: 8px 14px; border-radius: 999px; border: 1px solid var(--navy); background: transparent; color: var(--navy); transition: background 0.18s, color 0.18s; }
.preset:hover { background: var(--navy); color: var(--paper); }
.cats { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 10px; }
@media (max-width: 860px) { .cats { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
@media (max-width: 480px) { .cats { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.cat { position: relative; aspect-ratio: 4 / 3; border-radius: 6px; overflow: hidden; border: 1px solid var(--rule); background: var(--navy); padding: 0; transition: transform 0.2s, box-shadow 0.2s; }
.cat:hover { transform: translateY(-3px); box-shadow: 0 10px 22px rgb(17 38 61 / 0.15); }
.cat img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; filter: brightness(0.62); transition: filter 0.25s; }
.cat span { position: absolute; left: 10px; bottom: 7px; font-family: var(--font-ui); font-weight: 700; font-size: 13.5px; color: #fff; text-shadow: 0 1px 6px rgb(0 0 0 / 0.6); }
.cat[aria-pressed="true"] { box-shadow: 0 0 0 3px var(--gold); }
.cat[aria-pressed="true"] img { filter: brightness(0.85); }
.cat.all { display: grid; place-items: center; background: var(--navy); }
.cat.all span { position: static; font-family: var(--font-head); font-weight: 400; font-size: 20px; color: var(--paper); text-shadow: none; }
.filters { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
@media (max-width: 1000px) { .filters { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 540px) { .filters { grid-template-columns: minmax(0, 1fr); } }
.fgroup { display: grid; gap: 8px; align-content: start; padding: 14px; border-radius: 6px; background: var(--paper); border: 1px solid var(--rule); min-width: 0; }
.fhead { display: flex; justify-content: space-between; align-items: center; font-family: var(--font-ui); font-size: 12px; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { font-family: var(--font-ui); font-size: 14px; font-weight: 600; min-height: 34px; padding: 0 12px; border-radius: 999px; border: 1px solid var(--rule); background: var(--card); display: inline-flex; align-items: center; gap: 6px; transition: all 0.15s; }
.chip:hover { border-color: var(--navy); }
.chip[aria-pressed="true"] { background: var(--navy); border-color: var(--navy); color: var(--paper); }
.dot { width: 11px; height: 11px; border-radius: 50%; border: 1px solid rgb(0 0 0 / 0.2); }
.range { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.range label, .fgroup > label { font-family: var(--font-ui); font-size: 12.5px; color: var(--muted); display: grid; gap: 4px; }
.range input, select { width: 100%; font: inherit; font-size: 16px; padding: 8px 10px; border-radius: 6px; border: 1px solid var(--rule); background: var(--card); color: var(--ink); font-variant-numeric: tabular-nums; min-height: 42px; }
.toggle { font-family: var(--font-ui); font-size: 12px; font-weight: 600; letter-spacing: 0; text-transform: none; border: 1px solid var(--rule); background: var(--card); color: var(--navy); border-radius: 6px; padding: 3px 9px; }
.summary { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 18px; border-top: 1px solid var(--rule); padding-top: 18px; }
.count { font-family: var(--font-head); font-size: clamp(26px, 3vw, 36px); color: var(--navy); font-variant-numeric: tabular-nums; }
.time { font-family: var(--font-mono); font-size: 14px; color: #fff; background: var(--green); padding: 5px 12px; border-radius: 999px; font-variant-numeric: tabular-nums; }
.combo { font-family: var(--font-ui); font-size: 14px; color: var(--muted); }
.reset { margin-left: auto; font-family: var(--font-ui); font-size: 14px; font-weight: 600; background: none; border: none; color: var(--navy); text-decoration: underline; text-underline-offset: 3px; padding: 0; }
.fixes { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; font-family: var(--font-ui); font-size: 14px; color: var(--muted); }
.fix { font-family: var(--font-mono); background: var(--gold-soft); color: var(--navy); border: 1px solid var(--gold); padding: 2px 10px; border-radius: 4px; }
.fix s { color: var(--red); }
.grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
@media (max-width: 1020px) { .grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 700px) { .grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; } }
.card { background: var(--card); border: 1px solid var(--rule); border-radius: 8px; overflow: hidden; transition: transform 0.2s var(--ease), box-shadow 0.2s, border-color 0.2s; animation: cardIn 0.5s var(--ease) both; }
.card:hover { transform: translateY(-4px); box-shadow: 0 18px 36px rgb(17 38 61 / 0.14); border-color: var(--gold); }
@keyframes cardIn { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
.card-media { position: relative; aspect-ratio: 4 / 3; overflow: hidden; }
.card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s var(--ease); }
.card:hover .card-media img { transform: scale(1.05); }
.badge { position: absolute; top: 10px; left: 10px; font-family: var(--font-ui); font-size: 11px; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; padding: 3px 9px; border-radius: 3px; background: var(--paper); color: var(--navy); }
.card-body { padding: 14px 16px 16px; display: grid; gap: 7px; }
.card h4 { margin: 0; font-family: var(--font-ui); font-size: 16px; font-weight: 700; color: var(--navy); line-height: 1.35; }
.meta { display: flex; align-items: center; gap: 7px; font-family: var(--font-ui); font-size: 13.5px; color: var(--muted); }
.row { display: flex; justify-content: space-between; align-items: baseline; }
.price { font-family: var(--font-head); font-size: 26px; color: var(--navy); font-variant-numeric: tabular-nums; }
.stars { font-family: var(--font-ui); font-size: 14px; font-weight: 700; color: var(--gold); }
.tags { display: flex; flex-wrap: wrap; gap: 4px; }
.tags span { font-family: var(--font-ui); font-size: 12px; color: var(--muted); border: 1px solid var(--rule); border-radius: 4px; padding: 0 6px; }
mark { background: var(--gold-soft); color: var(--navy); border-bottom: 2px solid var(--gold); padding: 0 2px; }
.empty { grid-column: 1 / -1; padding: 44px 16px; text-align: center; color: var(--muted); border: 1px dashed var(--rule); border-radius: 8px; }
.note { font-family: var(--font-ui); font-size: 14px; color: var(--muted); }
.code { border-radius: 8px; overflow: hidden; background: var(--navy); }
.code-head { display: flex; justify-content: space-between; align-items: center; padding: 10px 16px; border-bottom: 1px solid rgb(245 241 232 / 0.12); font-family: var(--font-ui); font-size: 13px; color: rgb(245 241 232 / 0.7); gap: 10px; }
.copy { font-family: var(--font-ui); font-size: 13px; font-weight: 600; padding: 5px 12px; border-radius: 6px; border: 1px solid rgb(245 241 232 / 0.3); background: transparent; color: var(--paper); }
#code { margin: 0; padding: 16px; overflow-x: auto; font-family: var(--font-mono); font-size: 13.5px; line-height: 1.7; color: #dbe3ee; }
#code .k { color: var(--gold); } #code .s { color: #9fd3b6; }

/* benchmarks */
.chart { background: var(--card); border: 1px solid var(--rule); border-radius: 8px; padding: clamp(18px, 3vw, 34px); display: grid; gap: 18px; }
.legend { display: flex; flex-wrap: wrap; gap: 8px 22px; font-family: var(--font-ui); font-size: 14px; font-weight: 600; }
.legend span { display: inline-flex; align-items: center; gap: 8px; }
.legend i { width: 14px; height: 14px; border-radius: 2px; }
.brow { display: grid; grid-template-columns: 240px minmax(0, 1fr) 70px; gap: 6px 18px; align-items: center; padding-block: 10px; border-top: 1px solid var(--paper-2); }
@media (max-width: 760px) { .brow { grid-template-columns: minmax(0, 1fr) 60px; } .brow .bars { grid-column: 1 / -1; grid-row: 2; } }
.brow .q { font-family: var(--font-ui); font-size: 15px; font-weight: 600; color: var(--ink); }
.bars { display: grid; gap: 5px; }
.bar { position: relative; height: 16px; }
.bar i { position: absolute; left: 0; top: 0; bottom: 0; border-radius: 2px; transform: scaleX(0); transform-origin: left; transition: transform 1.1s var(--ease); }
.chart.in .bar i { transform: scaleX(1); }
.bar.k i { background: var(--navy); }
.bar.f i { background: var(--gold); }
.bar em { position: absolute; top: 50%; transform: translateY(-50%); font-style: normal; font-family: var(--font-mono); font-size: 12.5px; color: var(--muted); white-space: nowrap; opacity: 0; transition: opacity 0.4s 0.9s; }
.chart.in .bar em { opacity: 1; }
.speed { font-family: var(--font-head); font-size: 24px; color: var(--green); text-align: right; }
.axis { display: grid; grid-template-columns: 240px minmax(0, 1fr) 70px; gap: 18px; font-family: var(--font-mono); font-size: 12px; color: var(--muted); }
@media (max-width: 760px) { .axis { grid-template-columns: minmax(0, 1fr); } .axis > :not(.ticks) { display: none; } }
.ticks { position: relative; height: 18px; }
.ticks span { position: absolute; transform: translateX(-50%); white-space: nowrap; }
.ticks span:first-child { transform: none; }
.ticks span:last-child { transform: translateX(-100%); }
.ticks i { font-style: normal; }
@media (max-width: 760px) { .ticks i { display: none; } }
.honest { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; margin-top: 22px; }
@media (max-width: 860px) { .honest { grid-template-columns: minmax(0, 1fr); } }
.honest div { padding: 18px 20px; border-radius: 6px; background: var(--paper-2); border-left: 3px solid var(--gold); display: grid; gap: 4px; }
.honest b { font-family: var(--font-ui); font-size: 15px; color: var(--navy); }
.honest span { font-size: 16.5px; color: var(--muted); }

/* behind the library */
.behind .wrap > .grid2 { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); gap: clamp(28px, 5vw, 70px); align-items: center; }
@media (max-width: 900px) { .behind .wrap > .grid2 { grid-template-columns: minmax(0, 1fr); } }
.xfade { position: relative; aspect-ratio: 4 / 3; border-radius: 6px; overflow: hidden; box-shadow: 0 30px 70px rgb(17 38 61 / 0.2); }
.xfade img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: opacity 1.4s var(--ease), transform 6s linear; }
.xfade img.second { opacity: 0; }
.xfade.in img.second { opacity: 1; }
.xfade.in img { transform: scale(1.05); }
.xfade .caption { color: #fff; }
.xfade::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 60%, rgb(17 38 61 / 0.65)); }
.proof { display: grid; gap: 0; padding: 0; margin: 0; list-style: none; border-top: 1px solid var(--rule); }
.proof li { display: grid; grid-template-columns: 96px minmax(0, 1fr); gap: 16px; padding-block: 16px; border-bottom: 1px solid var(--rule); align-items: baseline; }
.proof b { font-family: var(--font-head); font-weight: 400; font-size: 32px; color: var(--navy); line-height: 1; }
.proof span { color: var(--muted); }
.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; margin-top: 56px; position: relative; padding: 0; list-style: none; }
.steps::before { content: ""; position: absolute; left: 24px; right: 24px; top: 23px; height: 2px; background: var(--rule); }
.steps::after { content: ""; position: absolute; left: 24px; right: 24px; top: 23px; height: 2px; background: var(--gold); transform: scaleX(0); transform-origin: left; transition: transform 1.4s var(--ease); }
.steps.in::after { transform: scaleX(1); }
.steps li { position: relative; display: grid; gap: 8px; padding-right: 22px; }
.steps .n { width: 48px; height: 48px; border-radius: 50%; display: grid; place-items: center; background: var(--navy); color: var(--paper); font-family: var(--font-head); font-size: 22px; position: relative; z-index: 1; }
.steps h3 { font-size: 23px; margin-top: 8px; }
.steps code { font-family: var(--font-mono); font-size: 14px; color: var(--green); }
@media (max-width: 760px) { .steps { grid-template-columns: minmax(0, 1fr); gap: 26px; } .steps::before, .steps::after { display: none; } }

/* quiz */
.quiz-sec { background: var(--paper-2); }
.quiz { max-width: 820px; margin: 0 auto; background: var(--card); border: 1px solid var(--rule); border-radius: 10px; box-shadow: 0 30px 80px rgb(17 38 61 / 0.12); overflow: hidden; }
.quiz-top { padding: 22px clamp(18px, 4vw, 40px) 0; display: grid; gap: 12px; }
.quiz-meta { display: flex; justify-content: space-between; font-family: var(--font-ui); font-size: 13px; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); }
.progress { height: 6px; border-radius: 6px; background: var(--paper-2); overflow: hidden; }
.progress i { display: block; height: 100%; background: var(--gold); width: 20%; transition: width 0.35s var(--ease); }
.quiz-body { padding: 26px clamp(18px, 4vw, 40px) 30px; min-height: 420px; display: grid; align-content: start; gap: 20px; overflow: hidden; }
.step { display: grid; gap: 18px; }
.step.enter { animation: stepIn 0.28s var(--ease); }
.step.enter-back { animation: stepBack 0.28s var(--ease); }
@keyframes stepIn { from { opacity: 0; transform: translateX(28px); } to { opacity: 1; transform: none; } }
@keyframes stepBack { from { opacity: 0; transform: translateX(-28px); } to { opacity: 1; transform: none; } }
.step h3 { font-size: clamp(26px, 3vw, 34px); }
.step .hint { color: var(--muted); font-size: 17px; }
.answers { display: grid; gap: 10px; }
.answer { display: flex; align-items: center; gap: 14px; text-align: left; min-height: 60px; padding: 12px 18px; border-radius: 8px; border: 1.5px solid var(--rule); background: var(--paper); font-family: var(--font-ui); font-weight: 600; font-size: 17px; color: var(--ink); transition: border-color 0.15s, background 0.15s, transform 0.15s; }
.answer:hover { border-color: var(--navy); transform: translateX(3px); }
.answer i { width: 22px; height: 22px; border-radius: 50%; border: 2px solid var(--rule); flex: none; transition: all 0.15s; }
.answer[aria-checked="true"] { border-color: var(--navy); background: var(--gold-soft); }
.answer[aria-checked="true"] i { border-color: var(--navy); background: var(--navy); box-shadow: inset 0 0 0 4px var(--gold-soft); }
.quiz-nav { display: flex; justify-content: space-between; gap: 12px; padding: 18px clamp(18px, 4vw, 40px); border-top: 1px solid var(--rule); background: var(--paper); align-items: center; }
.quiz-nav .btn { min-height: 50px; }
.quiz-nav .btn[disabled] { opacity: 0.4; cursor: not-allowed; transform: none; }
.privacy { font-family: var(--font-ui); font-size: 13px; color: var(--muted); }
.verdict { display: grid; gap: 16px; }
.verdict .tag { justify-self: start; font-family: var(--font-ui); font-size: 13px; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; padding: 5px 12px; border-radius: 3px; }
.verdict .tag.good { background: var(--green-soft); color: var(--green); }
.verdict .tag.maybe { background: var(--gold-soft); color: #7a5f2c; }
.verdict .tag.no { background: #f4dfdc; color: var(--red); }
.verdict ul { margin: 0; padding-left: 22px; display: grid; gap: 6px; }
.install { display: flex; align-items: center; justify-content: space-between; gap: 12px; background: var(--navy); color: var(--paper); border-radius: 8px; padding: 12px 14px 12px 18px; font-family: var(--font-mono); font-size: 14.5px; overflow-x: auto; }
.install button { flex: none; font-family: var(--font-ui); font-size: 13px; font-weight: 700; border: 1px solid rgb(245 241 232 / 0.35); background: transparent; color: var(--paper); border-radius: 6px; padding: 6px 12px; }

/* faq */
.faq { max-width: 860px; display: grid; border-top: 1px solid var(--navy); }
.qa { border-bottom: 1px solid var(--rule); }
.qa button { width: 100%; display: flex; justify-content: space-between; align-items: center; gap: 16px; text-align: left; padding: 22px 4px; background: none; border: none; font-family: var(--font-head); font-size: clamp(21px, 2vw, 25px); color: var(--navy); }
.qa button::after { content: "+"; font-family: var(--font-ui); font-size: 26px; color: var(--gold); transition: transform 0.22s var(--ease); }
.qa button[aria-expanded="true"]::after { transform: rotate(45deg); }
.qa .ans { display: grid; grid-template-rows: 0fr; transition: grid-template-rows 0.24s var(--ease); }
.qa .ans > div { overflow: hidden; }
.qa .ans p { padding: 0 4px 22px; color: #3a4452; max-width: 64ch; }
.qa button[aria-expanded="true"] + .ans { grid-template-rows: 1fr; }

/* closing */
.closing { position: relative; overflow: hidden; background: var(--navy); color: var(--paper); isolation: isolate; }
.closing video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; opacity: 0.35; filter: grayscale(0.3); }
.closing::before { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(90deg, var(--navy) 25%, rgb(17 38 61 / 0.55)); }
.closing .wrap { display: grid; gap: 24px; justify-items: start; padding-block: clamp(80px, 11vw, 150px); }
.closing h2 { color: var(--paper); font-size: clamp(38px, 5.4vw, 72px); max-width: 15ch; }
.closing p { color: rgb(245 241 232 / 0.85); max-width: 54ch; }
.closing .kicker { color: var(--gold); }

footer { background: #0c1c2e; color: rgb(245 241 232 / 0.7); font-family: var(--font-ui); font-size: 14px; padding-block: 34px 90px; }
footer .wrap { display: grid; gap: 14px; }
footer .cols { display: flex; flex-wrap: wrap; gap: 10px 28px; }
footer a { color: var(--paper); }

/* mobile sticky CTA */
.sticky-cta { position: fixed; left: 0; right: 0; bottom: 0; z-index: 45; padding: 10px max(16px, env(safe-area-inset-left, 0px)) calc(10px + env(safe-area-inset-bottom, 0px)); background: rgb(245 241 232 / 0.96); border-top: 1px solid var(--rule); transform: translateY(110%); transition: transform 0.3s var(--ease); display: none; }
.sticky-cta .btn { width: 100%; }
.sticky-cta.on { transform: none; }
@media (max-width: 760px) { .sticky-cta { display: block; } }

/* motion */
body::before { content: ""; position: fixed; inset: 0; z-index: 90; pointer-events: none; opacity: 0.06; mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='240' height='240'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.1  0 0 0 0 0.12  0 0 0 0 0.16  0 0 0 1 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>"); }
.progress-line { position: fixed; top: 0; left: 0; right: 0; height: 3px; z-index: 95; background: var(--gold); transform: scaleX(0); transform-origin: left; pointer-events: none; }

.hero { position: relative; overflow: hidden; isolation: isolate; }
.hero-bg { position: absolute; inset: 0; z-index: -1; pointer-events: none; overflow: hidden; }
.blob { position: absolute; border-radius: 50%; filter: blur(80px); opacity: 0.6; animation: drift 22s ease-in-out infinite alternate; }
.blob.b1 { width: 560px; height: 560px; background: #ead8ae; left: -160px; top: -180px; }
.blob.b2 { width: 480px; height: 480px; background: #c8d5e6; right: -120px; top: 80px; animation-duration: 27s; }
.blob.b3 { width: 420px; height: 420px; background: #d7e6dc; left: 30%; bottom: -240px; animation-duration: 31s; }
@keyframes drift { to { transform: translate(90px, 70px) scale(1.18); } }
#trie-art { position: absolute; inset: 0; width: 100%; height: 100%; }
#trie-art .edge { fill: none; stroke: var(--navy); stroke-opacity: 0.11; stroke-width: 1.2; stroke-dasharray: var(--len); stroke-dashoffset: var(--len); animation: draw 2.4s var(--ease) forwards; }
#trie-art .node { fill: var(--gold); opacity: 0; animation: pop 0.6s var(--ease) forwards; }
#trie-art .query { fill: none; stroke: var(--gold); stroke-width: 2.4; stroke-linecap: round; stroke-dasharray: var(--len); stroke-dashoffset: var(--len); filter: drop-shadow(0 0 6px rgb(185 155 98 / 0.7)); animation: query 4.5s var(--ease) infinite; }
@keyframes draw { to { stroke-dashoffset: 0; } }
@keyframes pop { from { opacity: 0; transform: scale(0.2); } to { opacity: 0.55; transform: none; } }
@keyframes query { 0% { stroke-dashoffset: var(--len); opacity: 1; } 55% { stroke-dashoffset: 0; opacity: 1; } 85%, 100% { stroke-dashoffset: 0; opacity: 0; } }
.hero-media { transition: transform 0.4s var(--ease); transform-style: preserve-3d; }

/* wipe */
.wipe { clip-path: inset(0 100% 0 0); transition: clip-path 1.4s cubic-bezier(0.77, 0, 0.18, 1); }
.wipe.in { clip-path: inset(0 0 0 0); }
.wipe > .sweep { position: absolute; top: 0; bottom: 0; left: 0; width: 5px; z-index: 6; background: var(--gold); box-shadow: 0 0 24px var(--gold); transform: translateX(-10px); opacity: 0; pointer-events: none; }
.wipe.in > .sweep { animation: sweep 1.4s cubic-bezier(0.77, 0, 0.18, 1) forwards; }
@keyframes sweep { 0% { left: 0; opacity: 1; } 92% { opacity: 1; } 100% { left: 100%; opacity: 0; } }

/* light leak */
.leak { position: absolute; inset: -20%; z-index: 2; pointer-events: none; mix-blend-mode: screen; opacity: 0.85;
  background: linear-gradient(110deg, transparent 32%, rgb(255 196 120 / 0.38) 44%, rgb(255 128 84 / 0.22) 52%, transparent 66%);
  transform: translateX(-70%); animation: leak 11s ease-in-out infinite; }
@keyframes leak { 0%, 15% { transform: translateX(-70%); } 60%, 100% { transform: translateX(70%); } }

/* headline reveal */
.split .wm { display: inline-block; overflow: hidden; vertical-align: top; padding-bottom: 0.12em; margin-bottom: -0.12em; }
.split .wm > span { display: inline-block; transform: translateY(108%); transition: transform 0.9s var(--ease); transition-delay: calc(var(--i) * 45ms); }
.split.in .wm > span { transform: none; }

/* chapter numbers */
section.sec { position: relative; overflow-x: clip; }
section.sec > .wrap { position: relative; z-index: 1; }
.chapter { position: absolute; top: clamp(30px, 5vw, 60px); right: max(10px, env(safe-area-inset-right, 0px)); z-index: 0; pointer-events: none;
  font-family: var(--font-head); font-size: clamp(130px, 19vw, 280px); line-height: 1; color: transparent; -webkit-text-stroke: 1.5px rgb(185 155 98 / 0.4); will-change: transform; }

/* video text */
.vtext { padding-block: clamp(30px, 5vw, 60px) clamp(50px, 7vw, 90px); position: relative; }
.vtext canvas { display: block; width: 100%; height: 0; }
.vtext-cap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 20px; border-top: 1px solid var(--navy); padding-top: 14px; margin-top: 10px; font-family: var(--font-ui); font-weight: 700; font-size: 15px; color: var(--navy); }
.vtext video { position: absolute; width: 2px; height: 2px; opacity: 0; pointer-events: none; }

/* closing spotlight */
.closing .spot { position: absolute; inset: 0; z-index: -1; pointer-events: none; background: radial-gradient(420px circle at var(--mx, 70%) var(--my, 40%), rgb(185 155 98 / 0.28), transparent 70%); transition: background 0.1s; }
.closing video { animation: kenburns 24s ease-in-out infinite alternate; }
@keyframes kenburns { from { transform: scale(1.02); } to { transform: scale(1.14) translate(-2%, -1%); } }

/* quiz answer ripple */
.answer { position: relative; overflow: hidden; }
.answer .ripple { position: absolute; border-radius: 50%; background: rgb(185 155 98 / 0.35); transform: scale(0); animation: ripple 0.6s var(--ease) forwards; pointer-events: none; }
@keyframes ripple { to { transform: scale(4); opacity: 0; } }

/* reveal */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.6s var(--ease), transform 0.6s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.rule.reveal { opacity: 1; transform: scaleX(0); transition: transform 1s var(--ease); }
.rule.reveal.in { transform: scaleX(1); }
.hero [data-enter] { opacity: 0; transform: translateY(16px); animation: enter 0.8s var(--ease) forwards; }
.hero .film { animation: filmIn 1.2s var(--ease) both; }
@keyframes enter { to { opacity: 1; transform: none; } }
@keyframes filmIn { from { opacity: 0; transform: scale(1.03); } to { opacity: 1; transform: none; } }
.no-js .reveal { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}