/* contentpolisher.com — one stylesheet, no framework. */

:root {
  --bg: #ffffff;
  --bg-soft: #f4f6fb;
  --bg-card: #ffffff;
  --text: #16203a;
  --text-soft: #4a5572;
  --muted: #6b7591;
  --line: #e2e6f0;
  --brand: #1d40b8;
  --brand-strong: #132c86;
  --brand-soft: #e8edfc;
  --pro: #7a3ff2;
  --pro-soft: #f1eaff;
  --ok: #157f3b;
  --ok-soft: #e3f5ea;
  --bad: #b42318;
  --bad-soft: #fde8e6;
  --warn-soft: #fff6dc;
  --code-bg: #f1f3f8;
  --shadow: 0 1px 2px rgba(16, 24, 48, .06), 0 8px 24px rgba(16, 24, 48, .08);
  --radius: 14px;
  --wrap: 1120px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d1222;
    --bg-soft: #131a2e;
    --bg-card: #161e35;
    --text: #e8ecf7;
    --text-soft: #b7c0d8;
    --muted: #8e98b3;
    --line: #26304b;
    --brand: #7f9cff;
    --brand-strong: #a9bbff;
    --brand-soft: #1c2748;
    --pro: #b48cff;
    --pro-soft: #261d42;
    --ok: #6fd69a;
    --ok-soft: #12301f;
    --bad: #ff8a80;
    --bad-soft: #3a1714;
    --warn-soft: #33290e;
    --code-bg: #1b2440;
    --shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 8px 24px rgba(0, 0, 0, .35);
    color-scheme: dark;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body { margin: 0; background: var(--bg); color: var(--text); font: 17px/1.6 var(--font); }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--brand); text-underline-offset: 2px; }
a:hover { color: var(--brand-strong); }
h1, h2, h3, h4 { line-height: 1.2; letter-spacing: -.01em; margin: 0 0 .5em; }
h1 { font-size: clamp(2rem, 4.5vw, 3.1rem); letter-spacing: -.02em; }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); }
h3 { font-size: 1.2rem; }
p { margin: 0 0 1em; }
code, kbd { font-family: var(--mono); font-size: .88em; background: var(--code-bg); padding: .12em .38em; border-radius: 5px; }
pre { font-family: var(--mono); font-size: .88rem; background: var(--code-bg); padding: 1em 1.2em; border-radius: 10px; overflow-x: auto; line-height: 1.5; }
pre code { background: none; padding: 0; }
hr { border: 0; border-top: 1px solid var(--line); margin: 2.5rem 0; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }
.muted { color: var(--muted); }
.skip { position: absolute; left: -999px; top: 8px; background: var(--bg); padding: 8px 12px; z-index: 100; }
.skip:focus { left: 8px; }
:focus-visible { outline: 3px solid var(--brand); outline-offset: 2px; border-radius: 4px; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 50; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: saturate(1.4) blur(10px); border-bottom: 1px solid var(--line); }
.header-inner { display: flex; align-items: center; gap: 24px; min-height: 64px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font-weight: 700; font-size: 1.08rem; }
.brand img { border-radius: 8px; }
.site-nav { display: flex; align-items: center; gap: 24px; margin-left: auto; }
.site-nav ul { display: flex; gap: 22px; list-style: none; margin: 0; padding: 0; }
.site-nav a:not(.btn) { color: var(--text-soft); text-decoration: none; font-weight: 500; }
.site-nav a:not(.btn):hover, .site-nav a[aria-current="page"] { color: var(--brand); }
.menu-toggle { display: none; margin-left: auto; background: none; border: 1px solid var(--line); color: var(--text); border-radius: 8px; padding: 6px 12px; font: inherit; font-size: .95rem; cursor: pointer; }
@media (max-width: 820px) {
  .menu-toggle { display: inline-block; }
  .site-nav { display: none; position: absolute; left: 0; right: 0; top: 64px; flex-direction: column; align-items: stretch; gap: 0; background: var(--bg); border-bottom: 1px solid var(--line); padding: 8px 20px 20px; margin: 0; }
  .site-nav.open { display: flex; }
  .site-nav ul { flex-direction: column; gap: 0; }
  .site-nav li a { display: block; padding: 12px 0; border-bottom: 1px solid var(--line); }
  .site-nav .btn { margin-top: 14px; text-align: center; }
}

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 22px; border-radius: 10px; border: 1px solid transparent; background: var(--brand); color: #fff; font: inherit; font-weight: 600; text-decoration: none; cursor: pointer; transition: transform .15s, box-shadow .15s, background .15s; }
.btn:hover { color: #fff; background: var(--brand-strong); transform: translateY(-1px); box-shadow: var(--shadow); }
@media (prefers-color-scheme: dark) { .btn { color: #0d1222; } .btn:hover { color: #0d1222; } }
.btn-small { padding: 8px 16px; font-size: .95rem; }
.btn-ghost { background: transparent; color: var(--brand); border-color: var(--line); }
.btn-ghost:hover { background: var(--brand-soft); color: var(--brand-strong); box-shadow: none; }
.btn-pro { background: var(--pro); }
.btn-pro:hover { background: color-mix(in srgb, var(--pro) 82%, #000); }
.btn-block { width: 100%; }
.btn[aria-disabled="true"] { opacity: .6; pointer-events: none; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }

/* Sections */
.section { padding: 80px 0; }
.section-soft { background: var(--bg-soft); }
.section-head { max-width: 720px; margin: 0 auto 48px; text-align: center; }
.section-head p { color: var(--text-soft); font-size: 1.1rem; }
.eyebrow { display: inline-block; font-size: .8rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--brand); margin-bottom: 10px; }
.eyebrow-pro { color: var(--pro); }
.badge { display: inline-block; font-size: .72rem; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; padding: 3px 8px; border-radius: 999px; background: var(--brand-soft); color: var(--brand); vertical-align: middle; }
.badge-pro { background: var(--pro-soft); color: var(--pro); }

/* Hero */
.hero { padding: 72px 0 40px; background: radial-gradient(1200px 500px at 85% -10%, var(--brand-soft), transparent 60%); }
.hero-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 48px; align-items: center; }
.hero h1 span { color: var(--brand); }
.hero .lead { font-size: 1.2rem; color: var(--text-soft); max-width: 560px; }
.hero-points { list-style: none; padding: 0; margin: 22px 0 28px; display: grid; gap: 8px; }
.hero-points li { padding-left: 28px; position: relative; color: var(--text-soft); }
.hero-points li::before { content: ""; position: absolute; left: 0; top: .35em; width: 18px; height: 18px; border-radius: 50%; background: var(--ok-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M5 10.5l3 3 7-7' fill='none' stroke='%23157f3b' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/12px no-repeat; }
.hero-note { font-size: .92rem; color: var(--muted); margin-top: 14px; }
@media (max-width: 900px) { .hero-grid { grid-template-columns: 1fr; } .hero { padding-top: 48px; } }

/* Before / After demo */
.demo { background: var(--bg-card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; }
.demo-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 18px; border-bottom: 1px solid var(--line); font-size: .92rem; }
.demo-head strong { font-size: 1rem; }
.demo-body { padding: 6px 18px 12px; }
.issue { padding: 14px 0; border-bottom: 1px solid var(--line); }
.issue:last-child { border-bottom: 0; }
.issue-title { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font-weight: 600; font-size: .95rem; margin-bottom: 8px; }
.tag { font-size: .72rem; font-weight: 600; padding: 2px 8px; border-radius: 999px; }
.tag-safe { background: var(--ok-soft); color: var(--ok); }
.tag-review { background: var(--warn-soft); color: #8a5a00; }
@media (prefers-color-scheme: dark) { .tag-review { color: #f2c76b; } }
.tag-field { background: var(--brand-soft); color: var(--brand); }
.diff { display: grid; grid-template-columns: 54px 1fr; gap: 4px 10px; font-family: var(--mono); font-size: .86rem; }
.diff span:nth-child(odd) { font-family: var(--font); color: var(--muted); font-size: .8rem; padding-top: 2px; }
.diff mark { border-radius: 3px; padding: 0 1px; }
.diff .del { background: var(--bad-soft); color: var(--bad); }
.diff .ins { background: var(--ok-soft); color: var(--ok); }

/* Cards / grids */
.grid { display: grid; gap: 22px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 900px) { .grid-3 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .grid-3, .grid-2 { grid-template-columns: 1fr; } }
.card { background: var(--bg-card); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; }
.card h3 { margin-bottom: .4em; }
.card p { color: var(--text-soft); margin: 0; }
.card-icon { width: 42px; height: 42px; border-radius: 10px; display: grid; place-items: center; background: var(--brand-soft); color: var(--brand); margin-bottom: 14px; }
.card-icon svg { width: 22px; height: 22px; }
.card-pro .card-icon { background: var(--pro-soft); color: var(--pro); }

/* Rule examples */
.rules { display: grid; gap: 12px; }
.rule { display: grid; grid-template-columns: 220px 1fr; gap: 16px; align-items: center; background: var(--bg-card); border: 1px solid var(--line); border-radius: 12px; padding: 14px 18px; }
.rule strong { font-size: .98rem; }
.rule code { white-space: pre-wrap; }
@media (max-width: 640px) { .rule { grid-template-columns: 1fr; gap: 6px; } }

/* Screenshot */
.shot { border-radius: var(--radius); border: 1px solid var(--line); box-shadow: var(--shadow); overflow: hidden; background: var(--bg-card); }
.shot figcaption { padding: 12px 16px; font-size: .92rem; color: var(--muted); border-top: 1px solid var(--line); }
.split { display: grid; grid-template-columns: 1fr 1.25fr; gap: 48px; align-items: center; }
.split-rev { grid-template-columns: 1.25fr 1fr; }
.split-rev > :first-child { order: 2; }
@media (max-width: 900px) { .split, .split-rev { grid-template-columns: 1fr; } .split-rev > :first-child { order: 0; } }
.checklist { list-style: none; padding: 0; margin: 0 0 1.2em; display: grid; gap: 10px; }
.checklist li { padding-left: 28px; position: relative; color: var(--text-soft); }
.checklist li::before { content: "✓"; position: absolute; left: 4px; top: 0; color: var(--ok); font-weight: 700; }

/* Pricing */
.toggle { display: inline-flex; padding: 4px; border: 1px solid var(--line); border-radius: 999px; background: var(--bg-card); gap: 4px; }
.toggle button { border: 0; background: none; color: var(--text-soft); font: inherit; font-weight: 600; font-size: .95rem; padding: 8px 18px; border-radius: 999px; cursor: pointer; }
.toggle button[aria-pressed="true"] { background: var(--pro); color: #fff; }
.plans { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; max-width: 900px; margin: 32px auto 0; align-items: stretch; }
@media (max-width: 760px) { .plans { grid-template-columns: 1fr; } }
.plan { background: var(--bg-card); border: 1px solid var(--line); border-radius: 18px; padding: 30px; display: flex; flex-direction: column; }
.plan-pro { border: 2px solid var(--pro); box-shadow: var(--shadow); }
.plan h3 { font-size: 1.35rem; display: flex; align-items: center; gap: 10px; }
.price { font-size: 2.6rem; font-weight: 800; letter-spacing: -.02em; line-height: 1; margin: 14px 0 4px; }
.price small { font-size: 1rem; font-weight: 500; color: var(--muted); letter-spacing: 0; }
.plan .checklist { margin: 22px 0 26px; flex: 1; }
.plan-foot { font-size: .88rem; color: var(--muted); margin: 12px 0 0; text-align: center; }

/* Table */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 12px; }
table { width: 100%; border-collapse: collapse; font-size: .95rem; }
th, td { text-align: left; padding: 12px 16px; border-bottom: 1px solid var(--line); vertical-align: top; }
thead th { background: var(--bg-soft); font-weight: 600; }
tbody tr:last-child td { border-bottom: 0; }
td.c, th.c { text-align: center; }
.yes { color: var(--ok); font-weight: 700; }
.no { color: var(--muted); }

/* FAQ */
.faq { max-width: 820px; margin: 0 auto; }
.faq details { border-bottom: 1px solid var(--line); padding: 4px 0; }
.faq summary { cursor: pointer; font-weight: 600; padding: 14px 0; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--brand); font-size: 1.3rem; line-height: 1; }
.faq details[open] summary::after { content: "−"; }
.faq details > div { color: var(--text-soft); padding-bottom: 14px; }

/* CTA band */
.band { background: linear-gradient(120deg, #132c86 0%, #1d40b8 55%, #2c5fd8 100%); color: #fff; border-radius: 22px; padding: 48px; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 24px; }
.band h2 { margin: 0 0 .3em; }
.band p { margin: 0; color: #dfe7ff; }
.band .btn { background: #fff; color: #132c86; }
.band .btn:hover { background: #eef2ff; color: #132c86; }
.band .btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.45); }
.band .btn-ghost:hover { background: rgba(255,255,255,.12); color: #fff; }

/* Page header (inner pages) */
.page-head { padding: 56px 0 28px; border-bottom: 1px solid var(--line); background: var(--bg-soft); }
.page-head p { color: var(--text-soft); font-size: 1.1rem; max-width: 720px; margin: 0; }
.crumbs { font-size: .9rem; color: var(--muted); margin-bottom: 10px; }
.crumbs a { color: var(--muted); }

/* Docs */
.docs { display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: 48px; padding: 40px 0 80px; }
.docs-nav { position: sticky; top: 88px; align-self: start; font-size: .95rem; }
.docs-nav h2 { font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); margin: 22px 0 8px; }
.docs-nav h2:first-child { margin-top: 0; }
.docs-nav ul { list-style: none; margin: 0; padding: 0; }
.docs-nav a { display: block; padding: 6px 10px; border-radius: 8px; color: var(--text-soft); text-decoration: none; }
.docs-nav a:hover { background: var(--bg-soft); color: var(--text); }
.docs-nav a[aria-current="page"] { background: var(--brand-soft); color: var(--brand); font-weight: 600; }
@media (max-width: 860px) { .docs { grid-template-columns: 1fr; gap: 24px; } .docs-nav { position: static; border: 1px solid var(--line); border-radius: 12px; padding: 16px; } }

.prose { max-width: 760px; }
.prose h2 { margin-top: 2em; font-size: 1.55rem; }
.prose h3 { margin-top: 1.6em; }
.prose ul, .prose ol { padding-left: 1.3em; }
.prose li { margin-bottom: .4em; }
.prose figure { margin: 1.6em 0; }
.prose .table-wrap { margin: 1.2em 0 1.6em; }
.note { border-left: 4px solid var(--brand); background: var(--brand-soft); padding: 14px 18px; border-radius: 0 10px 10px 0; margin: 1.4em 0; }
.note-pro { border-left-color: var(--pro); background: var(--pro-soft); }
.note-warn { border-left-color: #c98a00; background: var(--warn-soft); }
.note p:last-child { margin: 0; }
.pager { display: flex; justify-content: space-between; gap: 16px; margin-top: 3em; padding-top: 1.5em; border-top: 1px solid var(--line); }
.pager a { text-decoration: none; }

/* Footer */
.site-footer { border-top: 1px solid var(--line); background: var(--bg-soft); padding: 56px 0 28px; margin-top: 0; font-size: .95rem; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 32px; }
.footer-grid h2 { font-size: .8rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); margin-bottom: 12px; }
.footer-grid ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.footer-grid a:not(.brand) { color: var(--text-soft); text-decoration: none; }
.footer-grid a:not(.brand):hover { color: var(--brand); }
.brand-footer { margin-bottom: 10px; }
.footer-bottom { border-top: 1px solid var(--line); margin-top: 40px; padding-top: 20px; font-size: .85rem; color: var(--muted); }
.footer-bottom p { margin: 0 0 4px; }
@media (max-width: 760px) { .footer-grid { grid-template-columns: 1fr 1fr; } .footer-grid > :first-child { grid-column: 1 / -1; } }
.sp { color: var(--muted); font-weight: 700; }