:root {
  --ink: #0b1324;
  --ink-2: #14203a;
  --text: #1c2536;
  --muted: #5b6678;
  --line: #e3e7ee;
  --bg: #ffffff;
  --bg-soft: #f4f6fa;
  --accent: #19c2b0;
  --accent-ink: #0a8f82;
  --on-dark: #e8edf5;
  --on-dark-muted: #9aa7bd;
  --radius: 14px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { margin: 0; font-family: var(--font); color: var(--text); background: var(--bg); line-height: 1.6; font-size: 17px; -webkit-font-smoothing: antialiased; }
img, svg { display: block; }
a { color: var(--accent-ink); }
h1, h2, h3 { line-height: 1.2; margin: 0 0 .5em; color: var(--ink); letter-spacing: -0.01em; }
p { margin: 0 0 1em; }

.wrap { max-width: 1140px; margin: 0 auto; padding: 0 24px; }
.narrow { max-width: 780px; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 16px; z-index: 100; background: #fff; padding: 8px 12px; border-radius: 6px; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(11, 19, 36, .92); backdrop-filter: blur(10px); border-bottom: 1px solid rgba(255,255,255,.06); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: #fff; text-decoration: none; font-weight: 800; font-size: 20px; letter-spacing: -0.02em; margin: 0; }
.brand-mark { width: 30px; height: 30px; color: var(--accent); }
.nav { display: flex; align-items: center; gap: 28px; }
.nav a { color: var(--on-dark); text-decoration: none; font-size: 15px; font-weight: 500; }
.nav a:hover { color: #fff; }
.nav-toggle { display: none; background: none; border: 0; width: 40px; height: 40px; padding: 8px; cursor: pointer; }
.nav-toggle span { display: block; height: 2px; background: #fff; margin: 6px 0; border-radius: 2px; transition: transform .2s; }

/* Buttons */
.btn { display: inline-block; background: var(--accent); color: var(--ink); font-weight: 700; text-decoration: none; padding: 14px 26px; border-radius: 999px; border: 2px solid var(--accent); font-size: 16px; cursor: pointer; font-family: inherit; transition: background .15s, border-color .15s; }
.btn:hover { background: #2fd8c6; border-color: #2fd8c6; }
.btn-small { padding: 8px 18px; font-size: 15px; }
.nav a.btn { color: var(--ink); }
.btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.35); }
.btn-ghost:hover { background: rgba(255,255,255,.08); border-color: #fff; }

/* Hero */
.hero { background: radial-gradient(1200px 600px at 85% -10%, rgba(25,194,176,.22), transparent 60%), linear-gradient(180deg, var(--ink) 0%, var(--ink-2) 100%); color: var(--on-dark); padding: 110px 0 120px; }
.hero h1 { color: #fff; font-size: clamp(38px, 6vw, 68px); font-weight: 800; letter-spacing: -0.03em; max-width: 15ch; }
.accent { color: var(--accent); }
.lead { font-size: clamp(18px, 2vw, 21px); color: var(--on-dark-muted); max-width: 640px; margin-bottom: 2em; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; }
.eyebrow { text-transform: uppercase; letter-spacing: .12em; font-size: 13px; font-weight: 700; color: var(--accent-ink); margin-bottom: 14px; }
.hero .eyebrow { color: var(--accent); }

/* Sections */
section { padding: 96px 0; }
.section-title { font-size: clamp(28px, 3.6vw, 42px); font-weight: 800; letter-spacing: -0.02em; }
.section-lead { color: var(--muted); font-size: 19px; max-width: 640px; margin-bottom: 48px; }
.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.why { background: var(--bg-soft); }
.why .section-title { margin-bottom: 40px; }
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; }
.card h3 { font-size: 20px; }
.card p { color: var(--muted); margin: 0; }

.service { border: 1px solid var(--line); border-radius: var(--radius); padding: 32px; position: relative; transition: border-color .2s, box-shadow .2s; }
.service:hover { border-color: var(--accent); box-shadow: 0 10px 30px rgba(11,19,36,.06); }
.service h3 { font-size: 24px; }
.service p { color: var(--muted); }
.service ul { margin: 0; padding: 0; list-style: none; }
.service li { padding-left: 26px; position: relative; margin: 8px 0; font-size: 16px; }
.service li::before { content: ""; position: absolute; left: 0; top: .55em; width: 12px; height: 2px; background: var(--accent); }
.tag { display: inline-block; font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; color: var(--accent-ink); background: rgba(25,194,176,.12); padding: 4px 10px; border-radius: 999px; margin-bottom: 14px; }

.areas { background: var(--ink); color: var(--on-dark); }
.areas .section-title { color: #fff; margin-bottom: 40px; }
.area-list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border-top: 1px solid rgba(255,255,255,.1); }
.area-list li { padding: 28px 24px 28px 0; border-bottom: 1px solid rgba(255,255,255,.1); }
.area-list strong { display: block; color: #fff; font-size: 19px; margin-bottom: 6px; }
.area-list span { color: var(--on-dark-muted); font-size: 16px; }

.stage { border-top: 3px solid var(--accent); padding-top: 22px; }
.stage-num { font-size: 14px; font-weight: 800; color: var(--accent-ink); letter-spacing: .06em; }
.stage h3 { font-size: 22px; margin-top: 8px; }
.stage p { color: var(--muted); font-size: 16px; }
.stages .section-title { margin-bottom: 48px; }

.approach { background: var(--bg-soft); }
.approach .section-title { margin-bottom: 48px; }
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; counter-reset: step; }
.steps li { counter-increment: step; background: #fff; border-radius: var(--radius); padding: 28px; border: 1px solid var(--line); }
.steps li::before { content: counter(step); display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; background: var(--ink); color: var(--accent); font-weight: 800; margin-bottom: 18px; }
.steps h3 { font-size: 19px; }
.steps p { color: var(--muted); font-size: 16px; margin: 0; }

.deliverables-inner { display: grid; grid-template-columns: 1fr 1.2fr; gap: 48px; align-items: start; }
.checks { list-style: none; margin: 0; padding: 0; }
.checks li { padding: 16px 0 16px 40px; border-bottom: 1px solid var(--line); position: relative; font-size: 18px; font-weight: 500; }
.checks li::before { content: ""; position: absolute; left: 4px; top: 21px; width: 14px; height: 8px; border-left: 3px solid var(--accent); border-bottom: 3px solid var(--accent); transform: rotate(-45deg); }

.faq { background: var(--bg-soft); }
.faq .section-title { margin-bottom: 32px; }
details { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 0 24px; margin-bottom: 12px; }
summary { cursor: pointer; padding: 20px 0; font-weight: 700; font-size: 18px; list-style: none; position: relative; padding-right: 32px; color: var(--ink); }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; position: absolute; right: 0; top: 16px; font-size: 26px; color: var(--accent-ink); font-weight: 400; }
details[open] summary::after { content: "\2212"; }
details p { color: var(--muted); padding-bottom: 8px; }

.contact { background: linear-gradient(180deg, var(--ink-2), var(--ink)); color: var(--on-dark); }
.contact-inner { display: grid; grid-template-columns: 1fr 1.3fr; gap: 56px; align-items: start; }
.contact .section-title { color: #fff; }
.contact-text p { color: var(--on-dark-muted); font-size: 18px; }
.contact a { color: var(--accent); }
.contact-mail { margin-top: 24px; }
.form { background: #fff; border-radius: 18px; padding: 32px; color: var(--text); }
.form label { display: block; font-weight: 600; font-size: 14px; margin-bottom: 18px; color: var(--ink); }
.form input, .form select, .form textarea { display: block; width: 100%; margin-top: 6px; padding: 12px 14px; font: inherit; font-size: 16px; border: 1px solid #cdd3dd; border-radius: 10px; background: #fff; color: var(--text); }
.form input:focus, .form select:focus, .form textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; border-color: var(--accent); }
.form textarea { resize: vertical; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form .btn { width: 100%; }
.form-note { font-size: 13px; color: var(--muted); margin: 14px 0 0; }
.form .form-note a { color: var(--accent-ink); }
.form-status { margin: 12px 0 0; font-weight: 600; min-height: 1em; }
.form-status.ok { color: var(--accent-ink); }
.form-status.err { color: #c0392b; }
.hp { position: absolute !important; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.site-footer { background: var(--ink); color: var(--on-dark-muted); padding: 40px 0; border-top: 1px solid rgba(255,255,255,.06); }
.footer-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; }
.footer-inner p { margin: 0; }
.site-footer a { color: var(--on-dark); }
.brand-footer { font-size: 18px; }

/* Simple page (privacy, 404) */
.page { padding: 80px 0 96px; }
.page h1 { font-size: clamp(32px, 5vw, 48px); font-weight: 800; }
.page h2 { font-size: 22px; margin-top: 2em; }
.page p, .page li { color: var(--text); }
.page .muted { color: var(--muted); }

@media (max-width: 960px) {
  .grid-3, .grid-4, .steps { grid-template-columns: repeat(2, 1fr); }
  .area-list { grid-template-columns: repeat(2, 1fr); }
  .deliverables-inner, .contact-inner { grid-template-columns: 1fr; gap: 32px; }
}

@media (max-width: 760px) {
  body { font-size: 16px; }
  .wrap { padding: 0 16px; }
  section { padding: 64px 0; }
  .hero { padding: 72px 0 80px; }
  .nav-toggle { display: block; }
  .nav { position: absolute; top: 68px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0; background: var(--ink); padding: 8px 16px 20px; border-bottom: 1px solid rgba(255,255,255,.08); display: none; }
  .nav.open { display: flex; }
  .nav a { padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,.06); font-size: 17px; }
  .nav a.btn { margin-top: 14px; text-align: center; border-bottom: 0; }
  .nav-toggle[aria-expanded="true"] span:first-child { transform: translateY(4px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:last-child { transform: translateY(-4px) rotate(-45deg); }
  .grid-2, .grid-3, .grid-4, .steps, .area-list, .field-row { grid-template-columns: 1fr; }
  .field-row { gap: 0; }
  .form { padding: 22px; }
  .service { padding: 24px; }
}

.nav-static { display: flex !important; position: static !important; flex-direction: row !important; padding: 0 !important; background: none !important; border: 0 !important; }
.nav-static a.btn { margin: 0 !important; }

/* Blog and guides */
.listing { padding: 80px 0 96px; }
.listing .section-title { max-width: 22ch; margin-bottom: 40px; }
.post-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.post-card { display: flex; flex-direction: column; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; text-decoration: none; color: var(--text); transition: border-color .2s, box-shadow .2s; }
.post-card:hover { border-color: var(--accent); box-shadow: 0 10px 30px rgba(11,19,36,.06); }
.post-card h2 { font-size: 21px; }
.post-card p { color: var(--muted); font-size: 16px; flex: 1; }
.post-card .tag { align-self: flex-start; }
.post-meta { color: var(--muted); font-size: 14px; }

.post-head { background: linear-gradient(180deg, var(--ink) 0%, var(--ink-2) 100%); color: var(--on-dark); padding: 64px 0 56px; }
.post-head h1 { color: #fff; font-size: clamp(32px, 4.6vw, 48px); font-weight: 800; letter-spacing: -0.02em; }
.post-head .post-lead { color: var(--on-dark-muted); font-size: 20px; }
.post-head .post-meta { color: var(--on-dark-muted); margin: 0; }
.post-head .tag { color: var(--accent); background: rgba(25,194,176,.15); }
.crumbs { margin-bottom: 18px; font-size: 14px; font-weight: 600; }
.crumbs a { color: var(--accent); text-decoration: none; }
.crumbs a::before { content: "\2190\00a0"; }

.prose { padding-top: 48px; font-size: 18px; line-height: 1.75; }
.prose h2 { font-size: 28px; margin-top: 1.8em; }
.prose h3 { font-size: 21px; margin-top: 1.5em; }
.prose ul, .prose ol { padding-left: 1.3em; margin: 0 0 1.2em; }
.prose li { margin: .4em 0; }
.prose li > ul, .prose li > ol { margin: .2em 0; }
.prose blockquote { margin: 1.5em 0; padding: 16px 22px; border-left: 4px solid var(--accent); background: var(--bg-soft); border-radius: 0 10px 10px 0; color: var(--ink); }
.prose blockquote p:last-child { margin: 0; }
.prose table { width: 100%; border-collapse: collapse; margin: 1.5em 0; font-size: 16px; display: block; overflow-x: auto; }
.prose th, .prose td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
.prose th { background: var(--bg-soft); color: var(--ink); }
.prose code { background: var(--bg-soft); padding: 2px 6px; border-radius: 4px; font-size: .9em; }
.prose hr { border: 0; border-top: 1px solid var(--line); margin: 2.5em 0; }
.prose li:has(> input[type=checkbox]) { list-style: none; margin-left: -1.3em; }
.prose input[type=checkbox] { margin-right: 10px; accent-color: var(--accent); transform: scale(1.15); }

.post-cta { margin: 56px 0 32px; background: var(--ink); color: var(--on-dark); border-radius: 18px; padding: 36px; }
.post-cta h2 { color: #fff; font-size: 26px; }
.post-cta p { color: var(--on-dark-muted); }
.related { margin-bottom: 96px; }
.related h2 { font-size: 22px; }
.related ul { list-style: none; padding: 0; margin: 0; }
.related li { border-bottom: 1px solid var(--line); }
.related a { display: block; padding: 16px 0; text-decoration: none; color: var(--ink); font-weight: 600; font-size: 18px; }
.related a:hover { color: var(--accent-ink); }
.related .kind { display: block; font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; color: var(--accent-ink); margin-bottom: 4px; }

@media (max-width: 960px) { .post-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 760px) {
  .post-grid { grid-template-columns: 1fr; }
  .prose { font-size: 17px; }
  .post-head { padding: 44px 0 40px; }
  .post-cta { padding: 26px; }
}

/* Toolkit */
.product-hero { padding: 88px 0 96px; }
.product-hero-inner { display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: center; }
.product-hero h1 { max-width: 14ch; }
.price { margin: 0 0 18px; color: var(--on-dark-muted); }
.price-amount { font-size: 40px; font-weight: 800; color: #fff; letter-spacing: -0.02em; }
.price-note { font-size: 15px; }
.buy-note { font-size: 14px; color: var(--on-dark-muted); margin: 16px 0 0; }
.preview { margin: 0; background: #fff; border-radius: 14px; box-shadow: 0 30px 60px rgba(0,0,0,.35); overflow: hidden; color: var(--text); }
.preview-bar { display: flex; align-items: center; gap: 6px; padding: 10px 14px; background: #e9edf3; font-size: 13px; }
.preview-bar span { width: 10px; height: 10px; border-radius: 50%; background: #c9d0db; }
.preview-bar strong { margin-left: 10px; color: var(--ink); font-weight: 600; }
.preview-body { padding: 20px 22px 8px; }
.preview-co { font-weight: 800; color: var(--ink); font-size: 17px; margin-bottom: 12px; }
.preview-co span { display: block; font-weight: 400; color: var(--muted); font-size: 13px; }
.preview table { width: 100%; border-collapse: collapse; font-size: 14px; }
.preview th { text-align: left; background: #14203a; color: #fff; padding: 8px 10px; font-weight: 600; }
.preview td { padding: 8px 10px; border-bottom: 1px solid var(--line); white-space: nowrap; }
.preview td:first-child { white-space: normal; }
.preview td:nth-child(2) { width: 34%; font-variant-numeric: tabular-nums; }
.preview td i { display: inline-block; width: calc(var(--w) * .6); max-width: 60%; height: 8px; border-radius: 4px; background: var(--accent); margin-right: 8px; vertical-align: middle; }
.preview tfoot td { font-weight: 800; border-top: 2px solid var(--ink); border-bottom: 0; }
.preview b { display: inline-block; padding: 2px 8px; border-radius: 6px; font-size: 12px; }
.r-good { background: #c8f0e9; color: #0a6b61; }
.r-ok { background: #e3f2d9; color: #3b6b1f; }
.r-warn { background: #ffe7c2; color: #8a5300; }
.r-bad { background: #f9d0cc; color: #9b2318; }
.preview figcaption { font-size: 12px; color: var(--muted); padding: 6px 22px 14px; }
.sheets .card h3 { color: var(--ink); }
.center { text-align: center; }
.product-cta .price { margin: 12px 0 22px; }
.product-cta .buy-note a { color: var(--accent); }

.toolkit-box { margin: 56px 0 0; border: 2px solid var(--accent); border-radius: 18px; padding: 32px; background: rgba(25,194,176,.06); }
.toolkit-box .eyebrow { margin-bottom: 8px; }
.toolkit-box h2 { font-size: 24px; }
.toolkit-box p { color: var(--muted); }
.toolkit-box + .post-cta { margin-top: 24px; }

.diy { background: var(--bg-soft); }
.diy-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.diy .card { display: flex; flex-direction: column; }
.diy .card p { flex: 1; margin-bottom: 18px; }
.diy .card .btn { align-self: flex-start; }
.diy .card-dark { background: var(--ink); border-color: var(--ink); }
.diy .card-dark h3 { color: #fff; }
.diy .card-dark p { color: var(--on-dark-muted); }

@media (max-width: 960px) {
  .product-hero-inner, .diy-inner { grid-template-columns: 1fr; gap: 40px; }
}
@media (max-width: 760px) {
  .preview-body { padding: 16px 14px 6px; }
  .preview td, .preview th { padding: 7px 6px; font-size: 13px; }
  .preview td i { display: none; }
  .toolkit-box { padding: 24px; }
}