:root {
  --accent: #FF6B35;
  --accent-dark: #E5552A;
  --ink: #1a1a1a;
  --ink-soft: #4a4a4a;
  --ink-mute: #767676;
  --bg: #ffffff;
  --bg-soft: #fafafa;
  --bg-card: #f5f5f5;
  --border: #e5e5e5;
  --radius: 14px;
  --max: 1080px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --ink: #f2f2f2;
    --ink-soft: #cfcfcf;
    --ink-mute: #999;
    --bg: #0e0e0e;
    --bg-soft: #161616;
    --bg-card: #1c1c1c;
    --border: #2a2a2a;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
}
.container { max-width: var(--max); margin: 0 auto; padding: 0 20px; }
a { color: var(--accent-dark); text-decoration: none; }
a:hover { text-decoration: underline; }
@media (prefers-color-scheme: dark) { a { color: var(--accent); } }

/* Header */
.site-header {
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  position: sticky; top: 0; z-index: 50;
}
.site-header .container {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 14px; padding-bottom: 14px; gap: 16px;
}
.brand {
  font-family: var(--mono); font-weight: 700; font-size: 20px;
  color: var(--ink); letter-spacing: 0.5px;
}
.brand .dot { color: var(--accent); }
.nav { display: flex; gap: 22px; flex-wrap: wrap; }
.nav a { color: var(--ink-soft); font-size: 15px; }
.nav a:hover { color: var(--accent); text-decoration: none; }
.cta-mini {
  background: var(--accent); color: #fff !important;
  padding: 8px 14px; border-radius: 8px;
  font-weight: 600; font-size: 14px;
}
.cta-mini:hover { background: var(--accent-dark); text-decoration: none; }
@media (max-width: 720px) {
  .nav { display: none; }
}

/* Hero */
.hero {
  padding: 72px 0 56px;
  background: linear-gradient(180deg, rgba(255,107,53,0.06), transparent);
}
.hero h1 {
  font-size: clamp(34px, 5vw, 54px);
  line-height: 1.1; margin: 0 0 20px;
  letter-spacing: -0.02em;
}
.hero .lede {
  font-size: clamp(17px, 2vw, 20px);
  color: var(--ink-soft);
  max-width: 640px;
  margin: 0 0 32px;
}
.hero .cta-row { display: flex; gap: 14px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 22px; border-radius: 10px;
  font-weight: 600; font-size: 16px;
  border: 1px solid transparent;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); text-decoration: none; }
.btn-secondary {
  background: transparent; color: var(--ink);
  border-color: var(--border);
}
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); text-decoration: none; }
.coming-soon {
  display: inline-block; margin-left: 8px;
  font-size: 11px; padding: 2px 8px; border-radius: 99px;
  background: var(--bg-card); color: var(--ink-mute);
  vertical-align: middle;
}

/* Sections */
section { padding: 56px 0; }
section h2 {
  font-size: clamp(26px, 3.4vw, 36px);
  line-height: 1.2; margin: 0 0 12px;
  letter-spacing: -0.01em;
}
section .sub {
  color: var(--ink-soft); max-width: 640px; margin: 0 0 36px;
}
.cards {
  display: grid; gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}
.card {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}
.card h3 { margin: 0 0 8px; font-size: 19px; }
.card p { color: var(--ink-soft); margin: 0; font-size: 15px; }
.card .num {
  font-family: var(--mono); color: var(--accent);
  font-weight: 700; font-size: 13px; letter-spacing: 1px;
}

/* TL;DR box */
.tldr {
  background: var(--bg-card);
  border-left: 4px solid var(--accent);
  border-radius: 8px;
  padding: 18px 20px;
  margin: 0 0 32px;
}
.tldr strong { color: var(--accent); }
.tldr p { margin: 8px 0 0; color: var(--ink-soft); }

/* Article */
.article { max-width: 760px; margin: 0 auto; }
.article h1 {
  font-size: clamp(30px, 4vw, 44px);
  line-height: 1.15; margin: 32px 0 8px;
  letter-spacing: -0.02em;
}
.article .meta { color: var(--ink-mute); font-size: 14px; margin: 0 0 28px; }
.article h2 {
  font-size: 26px; line-height: 1.25;
  margin: 44px 0 12px; letter-spacing: -0.01em;
}
.article h3 { font-size: 19px; margin: 28px 0 8px; }
.article p, .article li { color: var(--ink-soft); }
.article ol, .article ul { padding-left: 22px; }
.article ol li, .article ul li { margin: 8px 0; }
.article code {
  font-family: var(--mono); font-size: 14px;
  background: var(--bg-card); padding: 2px 6px; border-radius: 4px;
}
.article pre {
  font-family: var(--mono); font-size: 14px;
  background: var(--bg-card); padding: 16px; border-radius: 8px;
  overflow-x: auto;
}
.article blockquote {
  border-left: 4px solid var(--accent); padding: 4px 0 4px 16px;
  margin: 20px 0; color: var(--ink-soft);
}

/* Table */
.table-wrap { overflow-x: auto; margin: 24px 0; }
table {
  width: 100%; border-collapse: collapse;
  font-size: 14px;
}
th, td {
  text-align: left; padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
th {
  background: var(--bg-card);
  font-weight: 600; color: var(--ink);
  font-size: 13px; letter-spacing: 0.3px;
}
td.num, th.num { font-family: var(--mono); text-align: right; }
tr:hover td { background: var(--bg-soft); }
.table-note { font-size: 13px; color: var(--ink-mute); margin-top: 8px; }

/* Steps */
.steps { counter-reset: s; padding-left: 0; list-style: none; }
.steps > li {
  position: relative; padding: 18px 0 18px 56px;
  border-top: 1px solid var(--border);
}
.steps > li:first-child { border-top: 0; }
.steps > li::before {
  counter-increment: s; content: counter(s);
  position: absolute; left: 0; top: 18px;
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--accent); color: #fff;
  font-family: var(--mono); font-weight: 700;
  display: grid; place-items: center;
}
.steps h3 { margin: 0 0 6px; }

/* FAQ */
.faq details {
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
}
.faq summary {
  cursor: pointer; font-weight: 600; font-size: 17px;
  list-style: none; position: relative; padding-right: 28px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; position: absolute; right: 4px; top: -2px;
  color: var(--accent); font-size: 24px; font-family: var(--mono);
}
.faq details[open] summary::after { content: "−"; }
.faq details > *:not(summary) { color: var(--ink-soft); margin-top: 8px; }

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  background: var(--bg-soft);
  padding: 40px 0 32px;
  margin-top: 64px;
  font-size: 14px;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 32px; margin-bottom: 28px;
}
.footer-grid h4 {
  font-size: 13px; text-transform: uppercase; letter-spacing: 1px;
  margin: 0 0 12px; color: var(--ink-mute);
}
.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid li { margin: 6px 0; }
.footer-grid a { color: var(--ink-soft); }
.footer-grid a:hover { color: var(--accent); text-decoration: none; }
.footer-bottom {
  border-top: 1px solid var(--border); padding-top: 20px;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  color: var(--ink-mute);
}
@media (max-width: 720px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

/* Notify / Email capture */
.notify-section {
  background: linear-gradient(135deg, rgba(255,107,53,0.08), rgba(255,107,53,0.03));
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 56px 0;
}
.notify-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
.notify-icon { font-size: 42px; margin-bottom: 12px; }
.notify-body h2 {
  font-size: clamp(24px, 3vw, 34px);
  margin: 0 0 12px; letter-spacing: -0.01em;
}
.notify-body > p { color: var(--ink-soft); margin: 0 0 20px; }
.notify-reasons {
  list-style: none; padding: 0; margin: 0 0 24px;
}
.notify-reasons li {
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  font-size: 15px; color: var(--ink-soft);
}
.notify-reasons li:last-child { border-bottom: none; }
.notify-reasons strong { color: var(--ink); }
.notify-form {
  display: flex; gap: 10px; flex-wrap: wrap;
}
.notify-form input[type="email"] {
  flex: 1; min-width: 200px;
  padding: 12px 14px; border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg); color: var(--ink);
  font-size: 15px;
  outline: none;
}
.notify-form input[type="email"]:focus { border-color: var(--accent); }
.notify-form button {
  padding: 12px 20px; border-radius: 8px;
  background: var(--accent); color: #fff;
  border: none; font-size: 15px; font-weight: 600;
  cursor: pointer;
}
.notify-form button:hover { background: var(--accent-dark); }
.notify-form button:disabled { opacity: 0.6; cursor: default; }
.notify-small {
  font-size: 13px; color: var(--ink-mute);
  margin: 10px 0 0;
}
.notify-push {
  padding: 28px;
  background: var(--bg-card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  align-self: center;
}
.notify-push p { margin: 0 0 14px; color: var(--ink-soft); font-size: 15px; }
.btn-push {
  width: 100%;
  padding: 12px 16px; border-radius: 8px;
  background: var(--bg); color: var(--ink);
  border: 1px solid var(--border);
  font-size: 15px; font-weight: 600; cursor: pointer;
  transition: border-color 0.15s;
}
.btn-push:hover { border-color: var(--accent); color: var(--accent); }
.btn-push:disabled { opacity: 0.6; cursor: default; }
@media (max-width: 720px) {
  .notify-card { grid-template-columns: 1fr; gap: 28px; }
}

/* Utility */
.lead-strip {
  background: var(--bg-soft); border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 20px 0; font-size: 14px; color: var(--ink-mute);
}
.lead-strip .container { display: flex; gap: 28px; flex-wrap: wrap; justify-content: center; }
.lead-strip b { color: var(--ink); font-family: var(--mono); }

.breadcrumbs { font-size: 13px; color: var(--ink-mute); margin: 24px 0 0; }
.breadcrumbs a { color: var(--ink-mute); }
.breadcrumbs a:hover { color: var(--accent); }

.related {
  margin-top: 48px; padding: 24px;
  background: var(--bg-soft); border-radius: var(--radius);
  border: 1px solid var(--border);
}
.related h3 { margin: 0 0 12px; font-size: 17px; }
.related ul { margin: 0; padding-left: 20px; }