/* serp.systems — /best/ ranked landing pages
   Shared stylesheet, dark theme, GEO-optimized layout.
   Loaded by every /best/* page. */

:root {
  --color-bg: #000;
  --color-bg2: #0a0a0c;
  --color-text: #fff;
  --color-muted: #9ca3af;
  --color-dim: rgba(255,255,255,.55);
  --color-primary: #dc2626;
  --color-primary-soft: rgba(220,38,38,.12);
  --color-border: rgba(255,255,255,.08);
  --color-border-strong: rgba(255,255,255,.14);
  --color-good: #22c55e;
  --color-warn: #f59e0b;
  --color-bad: #ef4444;
  --font: 'Geist', 'Inter', system-ui, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html, body { overflow-x: hidden; }
body { background: var(--color-bg); color: var(--color-text); font-family: var(--font); line-height: 1.7; }

a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.best-shell { max-width: 920px; margin: 0 auto; padding: 130px 22px 60px; }
.best-shell.wide { max-width: 1100px; }

.crumbs { font-size: .82rem; color: var(--color-muted); margin-bottom: 1.2rem; }
.crumbs a { color: var(--color-muted); }
.crumbs a:hover { color: #fff; text-decoration: none; }

.eyebrow { display: inline-block; font-size: .72rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--color-primary); padding: 5px 12px; border: 1px solid rgba(220,38,38,.3); border-radius: 100px; background: rgba(220,38,38,.06); margin-bottom: 1rem; }

h1 { font-size: clamp(2rem, 4.5vw, 3rem); line-height: 1.15; font-weight: 900; letter-spacing: -.02em; margin-bottom: 1rem; }
h1 .accent { background: linear-gradient(135deg, #fff 30%, rgba(220,38,38,.7)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.hero-sub { font-size: 1.1rem; color: var(--color-dim); max-width: 720px; line-height: 1.7; margin-bottom: 1.4rem; }
.byline { font-size: .82rem; color: var(--color-muted); margin-bottom: 2rem; }
.byline strong { color: #fff; font-weight: 600; }

h2 { font-size: 1.7rem; font-weight: 800; line-height: 1.25; margin: 3rem 0 1rem; color: #fff; }
h2 .num { color: var(--color-primary); font-variant-numeric: tabular-nums; margin-right: .35em; }
h3 { font-size: 1.2rem; font-weight: 700; line-height: 1.3; margin: 1.8rem 0 .7rem; color: #fff; }
h4 { font-size: 1rem; font-weight: 700; margin: 1.2rem 0 .5rem; color: #fff; }

p { color: #d1d5db; margin-bottom: 1.1rem; }
p strong, li strong { color: #fff; font-weight: 700; }

ul, ol { padding-left: 1.4rem; margin-bottom: 1.2rem; color: #d1d5db; }
li { margin-bottom: .55rem; }
li::marker { color: var(--color-primary); }

blockquote {
  border-left: 3px solid var(--color-primary);
  padding: .8rem 1.2rem;
  margin: 1.5rem 0;
  background: rgba(220,38,38,.05);
  color: #e5e7eb;
  font-style: italic;
  border-radius: 0 8px 8px 0;
}
blockquote cite { display: block; margin-top: .5rem; font-style: normal; font-size: .82rem; color: var(--color-muted); }
blockquote cite::before { content: "— "; }

/* TL;DR / verdict box */
.tldr {
  background: linear-gradient(135deg, rgba(220,38,38,.10), rgba(220,38,38,.02));
  border: 1px solid rgba(220,38,38,.22);
  border-radius: 14px;
  padding: 1.4rem 1.6rem;
  margin: 1.5rem 0 2rem;
}
.tldr .tldr-head { font-size: .72rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; color: var(--color-primary); margin-bottom: .55rem; }
.tldr p { color: #e5e7eb; margin: 0; font-size: 1.02rem; }
.tldr p + p { margin-top: .7rem; }

/* Stat band */
.stat-band {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
  margin: 1.6rem 0 2.2rem;
}
.stat {
  background: rgba(255,255,255,.025);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 1.1rem 1.2rem;
}
.stat .v { font-size: 1.7rem; font-weight: 900; color: var(--color-primary); font-variant-numeric: tabular-nums; line-height: 1.1; }
.stat .l { font-size: .8rem; color: var(--color-muted); margin-top: .35rem; line-height: 1.45; }

/* Definition block */
.def {
  background: rgba(255,255,255,.025);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-primary);
  border-radius: 0 12px 12px 0;
  padding: 1.1rem 1.3rem;
  margin: 1.4rem 0;
}
.def .term { font-size: .72rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; color: var(--color-primary); margin-bottom: .35rem; }
.def p { margin: 0; color: #e5e7eb; }

/* Tables */
.tbl-wrap { overflow-x: auto; margin: 1.5rem 0; border: 1px solid var(--color-border); border-radius: 12px; }
table { width: 100%; border-collapse: collapse; font-size: .92rem; }
th, td { padding: 12px 14px; text-align: left; border-bottom: 1px solid var(--color-border); color: #d1d5db; vertical-align: top; }
th { color: #fff; font-weight: 700; background: rgba(255,255,255,.04); position: sticky; top: 0; font-size: .82rem; letter-spacing: .04em; }
tr:last-child td { border-bottom: none; }
tr.row-best td { background: rgba(220,38,38,.05); }
tr.row-best td:first-child { font-weight: 700; color: #fff; }

.verdict { display: inline-block; padding: 3px 9px; border-radius: 6px; font-size: .74rem; font-weight: 700; letter-spacing: .02em; }
.verdict-best { background: rgba(34,197,94,.14); color: var(--color-good); }
.verdict-good { background: rgba(250,204,21,.12); color: #facc15; }
.verdict-mid { background: rgba(245,158,11,.12); color: var(--color-warn); }
.verdict-low { background: rgba(239,68,68,.12); color: var(--color-bad); }

/* Pros / cons */
.pc { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 1.4rem 0; }
.pc > div { background: rgba(255,255,255,.025); border: 1px solid var(--color-border); border-radius: 12px; padding: 1.2rem 1.3rem; }
.pc .pros { border-color: rgba(34,197,94,.22); }
.pc .cons { border-color: rgba(239,68,68,.22); }
.pc h4 { margin-top: 0; font-size: .82rem; letter-spacing: .12em; text-transform: uppercase; }
.pc .pros h4 { color: var(--color-good); }
.pc .cons h4 { color: var(--color-bad); }
.pc ul { margin-bottom: 0; padding-left: 1.2rem; }
@media (max-width: 700px) { .pc { grid-template-columns: 1fr; } }

/* Ranked tool card */
.tool-card {
  background: rgba(255,255,255,.025);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 1.6rem 1.8rem;
  margin: 1.8rem 0;
}
.tool-card.best { border-color: rgba(220,38,38,.32); background: linear-gradient(180deg, rgba(220,38,38,.06), rgba(220,38,38,.01)); }
.tool-card .rank-row { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin-bottom: .8rem; }
.tool-card .rank { display: inline-flex; align-items: center; justify-content: center; width: 38px; height: 38px; border-radius: 50%; background: var(--color-primary); color: #fff; font-weight: 800; font-size: 1rem; }
.tool-card.best .rank { box-shadow: 0 0 0 4px rgba(220,38,38,.18); }
.tool-card h3 { margin: 0; font-size: 1.4rem; }
.tool-card .one-liner { font-weight: 700; color: #fff; margin: .2rem 0 1rem; font-size: 1.02rem; }
.tool-card .meta { display: flex; flex-wrap: wrap; gap: 14px; font-size: .84rem; color: var(--color-muted); margin-bottom: 1rem; }
.tool-card .meta span strong { color: #fff; font-weight: 600; }

/* Value prop banner inside card */
.vp { background: rgba(34,197,94,.06); border: 1px solid rgba(34,197,94,.18); border-radius: 10px; padding: .85rem 1.1rem; margin: 1rem 0; font-size: .98rem; }
.vp strong { color: var(--color-good); font-weight: 700; }

/* CTA box */
.cta {
  background: linear-gradient(135deg, rgba(220,38,38,.14), rgba(220,38,38,.04));
  border: 1px solid rgba(220,38,38,.28);
  border-radius: 16px;
  padding: 2rem 2rem;
  margin: 2.4rem 0;
  text-align: center;
}
.cta h3 { margin: 0 0 .5rem; font-size: 1.4rem; }
.cta p { color: #e5e7eb; margin-bottom: 1.1rem; }
.cta .cta-btn { display: inline-block; padding: 12px 30px; font-size: .98rem; font-weight: 700; color: #fff; background: linear-gradient(135deg, #dc2626, #b91c1c); border-radius: 100px; text-decoration: none; transition: transform .2s, box-shadow .2s; }
.cta .cta-btn:hover { transform: translateY(-2px); box-shadow: 0 10px 30px rgba(220,38,38,.45); text-decoration: none; }

/* FAQ */
.faq h3 { font-size: 1.05rem; margin: 1.6rem 0 .55rem; }
.faq p { margin-bottom: .9rem; }

/* Numbered playbook */
ol.playbook { padding-left: 1.4rem; }
ol.playbook > li { margin-bottom: 1rem; }
ol.playbook > li::marker { font-weight: 800; color: var(--color-primary); }

/* Author / methodology */
.method-card {
  background: rgba(255,255,255,.025);
  border: 1px solid var(--color-border);
  border-radius: 14px;
  padding: 1.4rem 1.6rem;
  margin: 1.8rem 0;
}
.method-card h3 { margin-top: 0; }

/* Footer */
.serp-footer { padding: 60px 0 0; border-top: 1px solid var(--color-border); margin-top: 60px; }
.sf-container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.sf-top { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 40px; }
.sf-brand p { font-size: .85rem; color: rgba(255,255,255,.35); line-height: 1.7; max-width: 280px; margin-bottom: 1rem; }
.sf-brand .sf-wordmark { display: inline-block; height: 28px; width: auto; vertical-align: middle; margin-bottom: .8rem; }
.sf-col h4 { font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .18em; color: rgba(255,255,255,.35); margin-bottom: 1rem; }
.sf-col a { display: block; font-size: .86rem; color: rgba(255,255,255,.55); text-decoration: none; padding: 4px 0; transition: all .25s; }
.sf-col a:hover { color: #fff; padding-left: 4px; text-decoration: none; }
.sf-bottom { display: flex; align-items: center; justify-content: space-between; border-top: 1px solid var(--color-border); padding: 22px 0; flex-wrap: wrap; gap: 12px; }
.sf-bottom p { font-size: .8rem; color: rgba(255,255,255,.35); }
@media (max-width: 1024px) { .sf-top { grid-template-columns: 1fr 1fr; } }
@media (max-width: 700px) { .sf-top { grid-template-columns: 1fr; gap: 28px; } .sf-bottom { flex-direction: column; text-align: center; } }

/* Hub grid */
.hub-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 18px; margin: 1.5rem 0; }
.hub-card { background: rgba(255,255,255,.025); border: 1px solid var(--color-border); border-radius: 14px; padding: 1.4rem 1.5rem; transition: all .25s; text-decoration: none; display: block; color: inherit; }
.hub-card:hover { border-color: rgba(220,38,38,.4); background: rgba(220,38,38,.04); transform: translateY(-3px); text-decoration: none; }
.hub-card h3 { margin: 0 0 .4rem; font-size: 1.05rem; }
.hub-card p { color: var(--color-muted); font-size: .88rem; margin: 0; }

@media (max-width: 700px) {
  .best-shell { padding: 100px 16px 40px; }
  h1 { font-size: 2rem; }
  h2 { font-size: 1.4rem; }
  .tool-card { padding: 1.2rem; }
}