/* Sparkie EV buyer's guides. Shares the homepage's tokens and components (site/index.html).
   Layout: floating glass nav, one reading column of rounded slate panels: answer box, recommendation, numbers, FAQ. */
:root {
  --bg: #232a29;
  --panel: #313a39;
  --panel-2: #2a3231;
  --line: rgba(255,255,255,.09);
  --ink: #f3f5f4;
  --muted: #9aa5a3;
  --dim: #6c7775;
  --accent: #f2763a;
  --accent-ink: #1d130d;
  --glass: rgba(255,255,255,.08);
  --go: #63d39d;
  --font-display: "Manrope", "Avenir Next", "Segoe UI", system-ui, sans-serif;
  --font-body: "Manrope", "Avenir Next", "Segoe UI", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, Menlo, monospace;
  --r-lg: 30px;
  --r-md: 20px;
  --ease: cubic-bezier(.2,.8,.2,1);
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--font-body); font-size: 16.5px; line-height: 1.65; }
body::before { content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px); z-index: 10; background: var(--bg); }
img, svg { max-width: 100%; }
a { color: inherit; text-decoration-color: var(--accent); text-underline-offset: 3px; }
a:hover { color: var(--accent); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 8px; }
h1, h2, h3 { font-family: var(--font-display); line-height: 1.12; letter-spacing: -0.02em; text-wrap: balance; margin: 0; font-weight: 700; }
h1 { font-size: clamp(2.1rem, 5vw, 3.3rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); }
h3 { font-size: 1.15rem; }
p { margin: 0; }
.wrap { width: 100%; max-width: 980px; margin-inline: auto; padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }
.num { font-variant-numeric: tabular-nums; }
.caps { font-size: .7rem; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); }

/* Buttons */
.pill-btn { font: inherit; font-weight: 600; font-size: .92rem; display: inline-flex; align-items: center; gap: 10px; padding: 5px 16px 5px 5px; border-radius: 12px; border: 1px solid var(--line); background: var(--glass); color: var(--ink); cursor: pointer; text-decoration: none; transition: background .25s, transform .25s var(--ease); }
.pill-btn .arr { width: 30px; height: 30px; border-radius: 9px; background: var(--accent); color: var(--accent-ink); display: grid; place-items: center; transition: transform .35s var(--ease); flex: none; }
.pill-btn .arr svg { width: 14px; height: 14px; }
.pill-btn:hover { background: rgba(255,255,255,.14); color: var(--ink); }
.pill-btn:hover .arr { transform: rotate(45deg); }
.btn-solid { font: inherit; font-weight: 600; font-size: .92rem; border: 0; border-radius: 12px; padding: 10px 18px; background: var(--accent); color: var(--accent-ink); text-decoration: none; display: inline-flex; align-items: center; gap: 8px; white-space: nowrap; transition: filter .2s; }
.btn-solid:hover { filter: brightness(1.08); color: var(--accent-ink); }
.chip { font-family: var(--font-mono); font-size: .7rem; font-weight: 500; padding: 4px 9px; border-radius: 8px; background: rgba(255,255,255,.06); border: 1px solid var(--line); color: var(--muted); white-space: nowrap; }

/* Floating glass nav */
.nav { position: sticky; top: calc(env(safe-area-inset-top, 0px) + 14px); z-index: 30; display: flex; justify-content: center; padding-top: 14px; }
.navbar { display: flex; align-items: center; gap: 6px; padding: 7px 7px 7px 18px; border-radius: 18px; background: rgba(42,50,49,.72); border: 1px solid var(--line); backdrop-filter: blur(18px) saturate(1.2); -webkit-backdrop-filter: blur(18px) saturate(1.2); box-shadow: 0 18px 40px -24px rgba(0,0,0,.7); max-width: calc(100vw - 32px); }
.brand { display: flex; align-items: center; gap: 9px; text-decoration: none; font-weight: 700; font-size: .98rem; margin-right: 18px; white-space: nowrap; }
.brand svg { width: 22px; height: 22px; flex: none; }
.navbar ul { display: flex; gap: 2px; list-style: none; margin: 0 12px 0 0; padding: 0; }
.navbar ul a { text-decoration: none; font-size: .9rem; font-weight: 500; color: rgba(243,245,244,.82); padding: 8px 11px; border-radius: 10px; transition: background .2s, color .2s; white-space: nowrap; }
.navbar ul a:hover, .navbar ul a[aria-current="page"] { background: var(--glass); color: var(--ink); }
@media (max-width: 760px) { .navbar ul { display: none; } .brand { margin-right: 10px; } }

/* Page head */
.crumbs { margin-top: 36px; font-size: .84rem; color: var(--muted); }
.crumbs ol { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 4px 8px; }
.crumbs li + li::before { content: "/"; margin-right: 8px; color: var(--dim); }
.crumbs a { text-decoration: none; }
.crumbs [aria-current] { color: var(--ink); }
header.page { padding-block: 20px 28px; display: grid; gap: 16px; }
header.page .lede { color: var(--muted); font-size: 1.1rem; max-width: 62ch; }
.byline { display: flex; flex-wrap: wrap; gap: 6px 14px; align-items: center; font-size: .86rem; color: var(--muted); }
.byline .avatar { width: 30px; height: 30px; border-radius: 10px; background: var(--accent); color: var(--accent-ink); display: grid; place-items: center; font-weight: 800; font-size: .85rem; }
.byline b { color: var(--ink); font-weight: 600; }

/* Panels */
main { display: grid; gap: 12px; }
section.block { background: var(--panel-2); border-radius: var(--r-lg); padding: clamp(22px, 4.5vw, 44px) clamp(18px, 4vw, 44px); min-width: 0; }
.sec-head { display: grid; gap: 10px; margin-bottom: 22px; max-width: 70ch; }
.sec-head p { color: var(--muted); }
.prose { display: grid; gap: 14px; max-width: 68ch; }
.prose p, .prose li { color: var(--muted); }
.prose strong { color: var(--ink); font-weight: 600; }
.prose ul, .prose ol { margin: 0; padding-left: 1.2em; display: grid; gap: 8px; }
.prose h3 { margin-top: 10px; }

/* Direct answer box, written for AI answer engines */
.answer { background: radial-gradient(70% 90% at 100% 0%, rgba(242,118,58,.16), transparent 70%), var(--panel); border: 1px solid rgba(242,118,58,.28); }
.answer .short { font-size: clamp(1.1rem, 2.2vw, 1.3rem); font-weight: 600; line-height: 1.5; margin-top: 12px; max-width: 62ch; }
.answer ul { margin: 18px 0 0; padding: 0; list-style: none; display: grid; gap: 10px; }
.answer li { background: var(--glass); border: 1px solid var(--line); border-radius: 14px; padding: 12px 16px; color: var(--muted); }
.answer li strong { color: var(--ink); }

/* Recommendation cards */
.recs { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 12px; }
.rec { background: var(--panel); border-radius: var(--r-md); padding: 20px; display: grid; gap: 12px; align-content: start; border: 1px solid transparent; }
.rec.top { border-color: rgba(242,118,58,.5); }
.rec .badge { justify-self: start; font-size: .66rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; padding: 5px 10px; border-radius: 8px; background: rgba(255,255,255,.08); }
.rec.top .badge { background: var(--accent); color: var(--accent-ink); }
.rec .specs { display: flex; flex-wrap: wrap; gap: 6px; }
.rec p { color: var(--muted); font-size: .95rem; }
.rec .pill-btn { white-space: nowrap; }
.rec .foot { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px; border-top: 1px solid var(--line); padding-top: 14px; margin-top: 4px; }
.rec .price { font-size: 1.5rem; font-weight: 700; letter-spacing: -.02em; line-height: 1; }
.rec .price small a { color: var(--go, #63d39d); }
.rec .price small { display: block; font-size: .68rem; color: var(--muted); font-weight: 600; margin-top: 4px; letter-spacing: 0; }

/* Decision flow */
.flow { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; counter-reset: step; }
.flow li { counter-increment: step; background: var(--panel); border-radius: var(--r-md); padding: 18px 20px 18px 66px; position: relative; display: grid; gap: 6px; }
.flow li::before { content: counter(step); position: absolute; left: 18px; top: 18px; width: 32px; height: 32px; border-radius: 10px; background: rgba(242,118,58,.16); color: var(--accent); display: grid; place-items: center; font-weight: 800; font-size: .9rem; }
.flow .q { font-weight: 700; font-size: 1.05rem; }
.flow .a { color: var(--muted); }
.flow .a a { color: var(--ink); font-weight: 600; }

/* Worked numbers */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 12px; margin-bottom: 18px; }
.stat { background: var(--panel); border-radius: var(--r-md); padding: 18px 20px; display: grid; gap: 2px; }
.stat b { font-size: 1.8rem; font-weight: 800; letter-spacing: -.03em; line-height: 1.1; font-variant-numeric: tabular-nums; }
.stat span { font-size: .84rem; color: var(--muted); }
.method { font-size: .82rem; color: var(--dim); margin-top: 14px; max-width: 70ch; }

/* Tables */
.tbl-wrap { overflow-x: auto; border-radius: var(--r-md); background: var(--panel); }
table { border-collapse: collapse; width: 100%; min-width: 600px; font-size: .94rem; }
caption { caption-side: bottom; text-align: left; padding: 14px 18px; font-size: .82rem; color: var(--dim); }
th, td { text-align: left; padding: 13px 18px; border-bottom: 1px solid var(--line); vertical-align: top; }
thead th { font-size: .68rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
tbody th { font-weight: 600; }
td { color: var(--muted); }
td.n { font-variant-numeric: tabular-nums; white-space: nowrap; color: var(--ink); }
tr.hl th, tr.hl td { background: rgba(242,118,58,.08); }
.pill { font-family: var(--font-mono); font-size: .68rem; font-weight: 700; padding: 3px 8px; border-radius: 6px; background: rgba(255,255,255,.08); color: var(--ink); }

/* Callout */
.note { background: var(--panel); border-radius: var(--r-md); padding: 16px 20px; display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 14px; align-items: start; color: var(--muted); }
.note .mark { width: 32px; height: 32px; border-radius: 10px; display: grid; place-items: center; font-weight: 800; background: rgba(242,118,58,.16); color: var(--accent); }
.note.ok .mark { background: rgba(99,211,157,.14); color: var(--go); }
.note strong { color: var(--ink); }

/* FAQ */
.faq details { border-top: 1px solid var(--line); }
.faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary { list-style: none; cursor: pointer; padding: 18px 44px 18px 0; font-weight: 600; font-size: 1.03rem; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: ""; position: absolute; right: 6px; top: 50%; width: 22px; height: 22px; margin-top: -11px; border-radius: 7px; background: var(--glass) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23f2763a' stroke-width='2.4' stroke-linecap='round'%3E%3Cpath d='M12 6v12M6 12h12'/%3E%3C/svg%3E") center / 14px no-repeat; transition: transform .4s var(--ease); }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { color: var(--muted); padding-bottom: 20px; max-width: 70ch; }

/* Related guides */
.related { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 10px; }
.related a { background: var(--panel); border-radius: 16px; padding: 16px 18px; text-decoration: none; display: grid; gap: 4px; transition: background .25s, transform .35s var(--ease); }
.related a:hover { background: #38423f; color: var(--ink); transform: translateY(-2px); }
.related a b { font-weight: 600; }
.related a span { font-size: .85rem; color: var(--muted); }

footer { margin-top: 12px; padding-block: 32px 48px; font-size: .88rem; color: var(--muted); }
footer .cols { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px; }
footer b { color: var(--ink); display: block; margin-bottom: 6px; }
@media (max-width: 900px) { footer .cols { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 700px) { footer .cols { grid-template-columns: 1fr; } }

/* Gentle entrance; content is visible at rest without it */
@keyframes rise { from { transform: translateY(14px); } }
main > * { animation: rise .7s var(--ease) backwards; }
main > *:nth-child(2) { animation-delay: .06s; }
main > *:nth-child(3) { animation-delay: .12s; }

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

/* SEO expansion (Nov 2026): hub group headings, product buy box, linked card titles */
.hub-h { font-size: 1.05rem; margin: 26px 0 12px; }
.hub-h:first-child { margin-top: 0; }
.rec h3 a { text-decoration: none; }
.rec h3 a:hover { color: var(--accent); }
.buybox { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: clamp(18px, 4vw, 36px); align-items: center; }
.buybox img { width: 100%; height: auto; border-radius: var(--r-md); background: var(--panel); display: block; }
.buybox .bb { display: grid; gap: 14px; }
.buybox .specs { display: flex; flex-wrap: wrap; gap: 6px; }
.buybox .price { font-size: 2.1rem; font-weight: 800; letter-spacing: -.03em; line-height: 1; }
.buybox .price small { display: block; font-size: .74rem; color: var(--muted); font-weight: 600; margin-top: 6px; letter-spacing: 0; }
.buybox .ctas { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.buybox .soon { font-size: .86rem; color: var(--muted); }
.buybox ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 6px; font-size: .9rem; color: var(--muted); }
.buybox ul li::before { content: "✓"; color: var(--go, #63d39d); font-weight: 700; margin-right: 8px; }
.illus { font-size: .76rem; color: var(--dim); margin-top: 6px; }
@media (max-width: 760px) { .buybox { grid-template-columns: 1fr; } }