/* Portfolio Tracker — landing + guides. Matches the app: zinc ground, indigo accent. */
:root {
  --bg: #fafafa;
  --surface: #ffffff;
  --surface2: #f4f4f5;
  --border: #e4e4e7;
  --text: #18181b;
  --text2: #52525b;
  --accent: #4f46e5;
  --accent-soft: rgba(79, 70, 229, .08);
  --green: #059669;
  --red: #e11d48;
  --radius: 14px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "Cascadia Code", "SF Mono", Consolas, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #09090b;
    --surface: #18181b;
    --surface2: #27272a;
    --border: #27272a;
    --text: #f4f4f5;
    --text2: #a1a1aa;
    --accent: #818cf8;
    --accent-soft: rgba(129, 140, 248, .1);
    --green: #34d399;
    --red: #fb7185;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.6 var(--font); }
img { max-width: 100%; }
a { color: var(--accent); text-underline-offset: 2px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 760px; }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 12px; top: 12px; background: var(--surface); padding: 8px 12px; z-index: 10; }

/* Header & footer */
.site-header { border-bottom: 1px solid var(--border); background: var(--surface); position: sticky; top: 0; z-index: 5; }
.bar { display: flex; align-items: center; justify-content: space-between; gap: 16px; height: 60px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font-weight: 700; }
.nav { display: flex; align-items: center; gap: 18px; }
.nav a { color: var(--text2); text-decoration: none; font-size: .95rem; }
.nav a:hover, .nav a[aria-current] { color: var(--text); }
.site-footer { border-top: 1px solid var(--border); margin-top: 64px; padding: 28px 0; color: var(--text2); font-size: .88rem; }
.foot p { margin: 6px 0; }
.foot .links a { color: var(--text2); }
.small { font-size: .8rem; }

/* Buttons */
.btn { display: inline-block; background: var(--accent); color: #fff !important; text-decoration: none; font-weight: 600;
  padding: 12px 22px; border-radius: 10px; border: 1px solid transparent; }
.btn:hover { filter: brightness(1.08); }
.btn-sm { padding: 7px 14px; font-size: .9rem; }
.btn-ghost { background: transparent; color: var(--text) !important; border-color: var(--border); }
.btn-ghost:hover { background: var(--surface2); filter: none; }
@media (prefers-color-scheme: dark) { .btn { color: #0b0b12 !important; } .btn-ghost { color: var(--text) !important; } }

/* Landing */
.hero { display: grid; grid-template-columns: 1.1fr 1fr; gap: 48px; align-items: center; padding: 64px 0 40px; }
.hero h1 { font-size: clamp(2rem, 4.2vw, 3rem); line-height: 1.12; letter-spacing: -.02em; margin: 0 0 16px; }
.hero p.sub { font-size: 1.15rem; color: var(--text2); margin: 0 0 28px; max-width: 34em; }
.hero .ctas { display: flex; gap: 12px; flex-wrap: wrap; }
.hero .fine { color: var(--text2); font-size: .85rem; margin-top: 14px; }
.hero-art { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; }
.hero-art svg { display: block; width: 100%; height: auto; }
.eyebrow { display: inline-block; font-size: .78rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
  color: var(--accent); background: var(--accent-soft); padding: 4px 10px; border-radius: 999px; margin-bottom: 16px; }

.section { padding: 40px 0; }
.section > h2 { font-size: 1.6rem; letter-spacing: -.01em; margin: 0 0 8px; }
.section > p.intro { color: var(--text2); margin: 0 0 24px; max-width: 42em; }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.feature { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; }
.feature h3 { margin: 0 0 6px; font-size: 1.05rem; }
.feature p { margin: 0; color: var(--text2); font-size: .95rem; }
.feature .ico { font-size: 1.4rem; margin-bottom: 8px; display: block; }

.compare { width: 100%; border-collapse: collapse; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.compare th, .compare td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--border); font-size: .95rem; }
.compare thead th { background: var(--surface2); font-size: .85rem; }
.compare tr:last-child td { border-bottom: 0; }
.yes { color: var(--green); font-weight: 600; }
.no { color: var(--text2); }
.table-wrap { overflow-x: auto; }

.steps { counter-reset: s; list-style: none; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.steps li { counter-increment: s; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; }
.steps li::before { content: counter(s); display: inline-grid; place-items: center; width: 28px; height: 28px; border-radius: 50%;
  background: var(--accent-soft); color: var(--accent); font-weight: 700; margin-bottom: 8px; }
.steps strong { display: block; margin-bottom: 4px; }
.steps span { color: var(--text2); font-size: .95rem; }

.cta-band { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 32px;
  display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.cta-band h2 { margin: 0 0 4px; font-size: 1.35rem; }
.cta-band p { margin: 0; color: var(--text2); }

/* Card list (guides) */
.card-list { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.card { display: block; height: 100%; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 16px 18px; text-decoration: none; color: var(--text); }
.card:hover { border-color: var(--accent); }
.card strong { display: block; margin-bottom: 4px; }
.card span { color: var(--text2); font-size: .92rem; }

/* Guides (prose) */
.crumbs { font-size: .85rem; color: var(--text2); margin: 28px 0 0; }
.crumbs a { color: var(--text2); }
.crumbs span { margin: 0 6px; }
.prose h1 { font-size: clamp(1.8rem, 3.4vw, 2.4rem); line-height: 1.18; letter-spacing: -.015em; margin: 12px 0 10px; }
.prose .lede { font-size: 1.15rem; color: var(--text2); margin: 0 0 6px; }
.prose .updated { font-size: .82rem; color: var(--text2); margin: 0 0 28px; }
.prose h2 { font-size: 1.4rem; margin: 40px 0 10px; letter-spacing: -.01em; }
.prose h3 { font-size: 1.1rem; margin: 28px 0 8px; }
.prose p, .prose li { font-size: 1.03rem; line-height: 1.75; }
.prose ol, .prose ul { padding-left: 1.4em; }
.prose li { margin: 6px 0; }
.prose code { font-family: var(--mono); font-size: .9em; background: var(--surface2); padding: 1px 6px; border-radius: 5px; }
.prose pre { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 14px 16px; overflow-x: auto; }
.prose pre code { background: none; padding: 0; }
.prose table { width: 100%; border-collapse: collapse; margin: 16px 0; font-size: .95rem; }
.prose th, .prose td { border: 1px solid var(--border); padding: 9px 12px; text-align: left; vertical-align: top; }
.prose th { background: var(--surface2); }
.prose .num { text-align: right; font-variant-numeric: tabular-nums; font-family: var(--mono); font-size: .9rem; }
.callout { background: var(--accent-soft); border-left: 3px solid var(--accent); border-radius: 0 10px 10px 0; padding: 14px 18px; margin: 20px 0; }
.callout p { margin: 0; }
.note { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 14px 18px; margin: 40px 0 0; font-size: .92rem; color: var(--text2); }
.related { margin-top: 48px; }
.related h2 { font-size: 1.2rem; }

/* Ads — always labelled, always separated from content */
.ad-slot { margin: 32px 0; min-height: 90px; }
.ad-label { display: block; font-size: .7rem; letter-spacing: .08em; text-transform: uppercase; color: var(--text2); margin-bottom: 4px; }
.ad-placeholder { display: grid; place-items: center; border: 2px dashed var(--border); border-radius: 10px; color: var(--text2);
  font-size: .8rem; letter-spacing: .06em; text-transform: uppercase; min-height: 120px; }

/* Responsive */
@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; padding-top: 40px; gap: 28px; }
  .grid, .steps { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .grid, .steps, .card-list { grid-template-columns: 1fr; }
  .nav a:not(.btn) { display: none; }
  .cta-band { padding: 22px; }
}