/* Best Mini Split Brands — a leaderboard, not a catalogue.
   Deliberately unlike minisplitbrands.com (slate + EnergyGuide yellow, serif body):
   all-sans, bottle green, and a single struck-gold rank numeral. */

:root {
  --paper:   #ffffff;
  --surface: #f4f4f1;
  --rule:    #dededa;
  --rule-2:  #ebebe7;
  --ink:     #1c1b19;
  --muted:   #5e5d59;
  --green:   #14452f;
  --green-2: #1d5c3f;
  --gold:    #a87c1f;
  --on-green:#f2f6f3;
  --on-green-m: #b6c9bd;

  --shell: 1100px;
  --gutter: clamp(1rem, 4vw, 2.75rem);
  --display: "Libre Franklin", Helvetica, Arial, sans-serif;
  --body: "IBM Plex Sans", Helvetica, Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-size: 1.0625rem;
  line-height: 1.65;
}

h1, h2, h3, h4 { font-family: var(--display); margin: 0; font-weight: 700; letter-spacing: -0.025em; line-height: 1.08; }
p { margin: 0 0 1.05em; }
p:last-child { margin-bottom: 0; }
a { color: inherit; }
:focus-visible { outline: 3px solid var(--gold); outline-offset: 2px; }

.shell { width: 100%; max-width: var(--shell); margin-inline: auto; padding-inline: var(--gutter); }

.skip { position: absolute; left: -9999px; background: var(--gold); color: #fff; padding: .6rem 1rem; font-family: var(--display); font-weight: 600; z-index: 50; }
.skip:focus { left: 0; }

/* header */
.masthead { background: var(--green); color: var(--on-green); }
.masthead__inner { display: flex; align-items: center; justify-content: space-between; gap: 1.25rem; min-height: 64px; flex-wrap: wrap; }
.wordmark { font-family: var(--display); font-weight: 700; font-size: 1.0625rem; letter-spacing: -0.03em; text-decoration: none; color: var(--on-green); padding-block: .85rem; }
.wordmark b { color: var(--gold); font-weight: 700; }
.topnav { display: flex; flex-wrap: wrap; gap: 1.15rem; font-family: var(--display); font-size: .875rem; font-weight: 600; padding-bottom: .5rem; }
.topnav a { color: var(--on-green-m); text-decoration: none; padding-block: .3rem; border-bottom: 2px solid transparent; }
.topnav a:hover, .topnav a[aria-current] { color: var(--on-green); border-bottom-color: var(--gold); }

/* page head */
.head { background: var(--green); color: var(--on-green); padding-block: clamp(2.5rem, 6vw, 4.25rem); }
.head h1 { font-size: clamp(2.1rem, 5.4vw, 3.5rem); max-width: 20ch; text-wrap: balance; }
.head .dek { margin-top: 1.15rem; color: var(--on-green-m); font-size: clamp(1.03rem, 1.5vw, 1.2rem); max-width: 58ch; }
.head .dateline { margin-top: 1.5rem; font-family: var(--display); font-size: .8125rem; color: var(--on-green-m); }
.crumbs { font-family: var(--display); font-size: .8125rem; font-weight: 600; color: var(--on-green-m); margin-bottom: 1.1rem; }
.crumbs a { text-decoration: none; border-bottom: 1px solid rgba(242,246,243,.3); }
.crumbs span { padding-inline: .45rem; opacity: .6; }

/* body */
.band { padding-block: clamp(2.5rem, 6vw, 4rem); }
.band--surface { background: var(--surface); }
.prose { max-width: 70ch; }
.prose h2 { font-size: clamp(1.4rem, 2.6vw, 1.85rem); margin: 2.4rem 0 .85rem; }
.prose h2:first-child { margin-top: 0; }
.prose a { text-decoration: none; border-bottom: 1px solid var(--rule); }
.prose a:hover { border-bottom-color: var(--ink); }
.prose ul { padding-left: 1.15rem; margin: 0 0 1.05em; }
.prose li { margin-bottom: .35rem; }

.bluf { border-left: 4px solid var(--gold); padding-left: 1.2rem; margin-bottom: 2.25rem; }
.bluf p { font-size: 1.15rem; line-height: 1.6; }

/* leaderboard */
.rank { border-top: 1px solid var(--rule); padding-block: 1.9rem; display: grid; gap: .25rem 1.5rem; }
@media (min-width: 720px) { .rank { grid-template-columns: 4.5rem minmax(0,1fr); } }
.rank:last-of-type { border-bottom: 1px solid var(--rule); }
.rank__n { font-family: var(--display); font-weight: 700; font-size: 2.6rem; line-height: 1; color: var(--gold); letter-spacing: -0.05em; font-variant-numeric: tabular-nums; }
.rank__brand { font-family: var(--display); font-size: 1.5rem; font-weight: 700; letter-spacing: -0.03em; margin-bottom: .1rem; }
.rank__for { font-family: var(--display); font-size: .8125rem; font-weight: 600; color: var(--muted); margin-bottom: .75rem; }
.rank__body { max-width: 64ch; }
.rank__body p { margin-bottom: .8em; }
.rank__watch { font-size: .95rem; color: var(--muted); border-top: 1px solid var(--rule-2); padding-top: .75rem; margin-top: .9rem; }
.rank__watch b { font-family: var(--display); color: var(--ink); font-weight: 600; }
.rank__link { display: inline-block; margin-top: .9rem; font-family: var(--display); font-size: .875rem; font-weight: 600; text-decoration: none; border-bottom: 2px solid var(--gold); }

/* faq */
.faq { max-width: 72ch; }
.faq details { border-bottom: 1px solid var(--rule); }
.faq summary { font-family: var(--display); font-weight: 600; font-size: 1.0625rem; padding: 1.05rem 2.5rem 1.05rem 0; cursor: pointer; list-style: none; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: ""; position: absolute; right: .35rem; top: 1.4rem; width: 12px; height: 12px; border-right: 2px solid var(--muted); border-bottom: 2px solid var(--muted); transform: rotate(45deg); transition: transform 150ms ease; }
.faq details[open] summary::after { transform: rotate(225deg); top: 1.6rem; }
.faq details > div { padding-bottom: 1.25rem; max-width: 66ch; color: var(--muted); }

/* cards */
.cards { display: grid; gap: 1px; background: var(--rule); border: 1px solid var(--rule); }
@media (min-width: 680px) { .cards { grid-template-columns: 1fr 1fr; } }
.card { background: var(--paper); padding: 1.5rem; text-decoration: none; display: block; }
.card:hover { background: var(--surface); }
.card h3 { font-size: 1.15rem; margin-bottom: .4rem; }
.card p { font-size: .95rem; color: var(--muted); margin: 0; }

/* footer */
.footer { background: var(--green); color: var(--on-green-m); padding-block: 2.75rem 2rem; font-size: .9375rem; }
.footer a { color: var(--on-green); }
.footer__top { display: grid; gap: 1.75rem; padding-bottom: 1.75rem; border-bottom: 1px solid var(--green-2); }
@media (min-width: 720px) { .footer__top { grid-template-columns: 1.5fr 1fr; } }
.footer__mark { font-family: var(--display); font-weight: 700; color: var(--on-green); font-size: 1.05rem; margin-bottom: .5rem; }
.footer__links { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: .5rem 1.35rem; font-family: var(--display); font-weight: 600; }
.footer__links a { text-decoration: none; border-bottom: 1px solid var(--green-2); }
.footer__links a:hover { border-bottom-color: var(--gold); }
.footer__legal { padding-top: 1.5rem; font-size: .84rem; max-width: 80ch; }
.footer__legal p { margin-bottom: .6rem; }

@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }