:root {
  --bg: #ffffff;
  --bg-alt: #f4f6f3;
  --text: #1b2421;
  --muted: #56625d;
  --accent: #0f5f4f;
  --accent-text: #ffffff;
  --border: #d9e0dc;
  --error: #a3261b;
  --radius: 10px;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111715;
    --bg-alt: #18201d;
    --text: #e7ece9;
    --muted: #a3b0aa;
    --accent: #4fc3a1;
    --accent-text: #0b1210;
    --border: #2c3833;
    --error: #ff8a7a;
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
a { color: var(--accent); }
h1, h2, h3 { line-height: 1.2; margin: 0 0 .5em; }
h1 { font-size: clamp(2rem, 4.4vw, 2.75rem); letter-spacing: -.02em; }
h2 { font-size: clamp(1.5rem, 3.5vw, 2rem); }
h3 { font-size: 1.15rem; }
.wrap { max-width: 1040px; margin: 0 auto; padding: 0 16px; }

.site-header { border-bottom: 1px solid var(--border); position: sticky; top: 0; background: var(--bg); z-index: 10; }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 60px; flex-wrap: wrap; }
.brand { font-weight: 700; font-size: 1.1rem; text-decoration: none; color: var(--text); }
.brand span { color: var(--accent); }
nav { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
nav a { color: var(--muted); text-decoration: none; font-size: .95rem; }
nav a:hover { color: var(--text); }
@media (max-width: 640px) { nav a:not(.btn) { display: none; } }

.btn {
  display: inline-block; background: var(--accent); color: var(--accent-text);
  padding: .75em 1.3em; border-radius: var(--radius); border: 2px solid var(--accent);
  font-weight: 600; text-decoration: none; cursor: pointer; font-size: 1rem;
}
nav a.btn { color: var(--accent-text); }
.btn:hover { filter: brightness(1.08); }
.btn:disabled { opacity: .6; cursor: wait; }
.btn-small { padding: .4em .9em; font-size: .9rem; }
.btn-outline { background: transparent; color: var(--accent); }

.hero { padding: 72px 0 56px; }
.eyebrow { color: var(--accent); font-weight: 600; text-transform: uppercase; letter-spacing: .06em; font-size: .85rem; margin: 0 0 .75em; }
.lead { font-size: 1.2rem; color: var(--muted); max-width: 680px; }
.hero-actions { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; margin: 28px 0; }
.link { font-weight: 600; }
.stat { color: var(--muted); font-size: .95rem; border-left: 3px solid var(--accent); padding-left: 12px; max-width: 620px; }
.stat strong { color: var(--text); font-size: 1.1rem; }

.section { padding: 64px 0; }
.section-alt { background: var(--bg-alt); }
.section-lead { color: var(--muted); margin-top: -.25em; }

.steps { list-style: none; padding: 0; margin: 24px 0 0; display: grid; gap: 24px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.steps p { color: var(--muted); margin: 0; }

.plans { display: grid; gap: 20px; margin-top: 28px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.plan { background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; display: flex; flex-direction: column; }
.plan-featured { border: 2px solid var(--accent); }
.price { font-size: 2rem; font-weight: 700; margin: 0 0 12px; }
.price span { font-size: 1rem; font-weight: 400; color: var(--muted); }
.plan ul { padding-left: 1.1em; margin: 0 0 24px; color: var(--muted); flex: 1; }
.plan .btn { text-align: center; }

.promises { display: grid; gap: 24px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.promises p { color: var(--muted); }

.form-wrap { display: grid; gap: 32px; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); align-items: start; }
.check-form { display: grid; gap: 14px; background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; }
.check-form label { display: grid; gap: 4px; font-weight: 600; font-size: .95rem; }
.check-form .row { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); }
.optional { color: var(--muted); font-weight: 400; }
input, textarea, select {
  font: inherit; font-weight: 400; color: var(--text); background: var(--bg); width: 100%;
  border: 1px solid var(--border); border-radius: 8px; padding: .6em .7em;
}
input:focus, textarea:focus, select:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.check-form[hidden] { display: none; }
.check-form h3 { margin: 0; }
.check-form h3:focus { outline: none; }
.form-note { margin: 0; color: var(--muted); font-size: .85rem; }
.skip { background: none; border: 0; padding: 0; color: var(--accent); cursor: pointer; font: inherit; justify-self: start; text-decoration: underline; }
.skip:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.form-status { margin: 0; min-height: 1.4em; font-size: .95rem; }
.form-status[data-kind="ok"] { color: var(--accent); }
.form-status[data-kind="error"] { color: var(--error); }

.faq details { border-bottom: 1px solid var(--border); padding: 16px 0; max-width: 760px; }
.faq summary { font-weight: 600; cursor: pointer; }
.faq p { color: var(--muted); margin: 10px 0 0; }

.site-footer { border-top: 1px solid var(--border); padding: 28px 0; color: var(--muted); font-size: .9rem; }

/* ---- Content expansion: hero illustration, stats, report mock ---- */
:root { --accent-soft: #e3f1ec; --miss: #b4442f; --chat-bg: #ffffff; }
@media (prefers-color-scheme: dark) { :root { --accent-soft: #1d3a32; --miss: #ff8a7a; --chat-bg: #1b2421; } }
.hero h1 em { font-style: normal; color: var(--accent); }
.hero-grid { display: grid; gap: 40px; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); align-items: center; }
.btn-big { font-size: 1.08rem; padding: .9em 1.5em; }
.hero-note { color: var(--muted); font-size: .92rem; margin: -12px 0 0; }

.chat-mock { margin: 0; background: var(--chat-bg); border: 1px solid var(--border); border-radius: 14px; box-shadow: 0 18px 40px -20px rgba(0,0,0,.35); overflow: hidden; }
.chat-bar { display: flex; gap: 6px; padding: 10px 14px; border-bottom: 1px solid var(--border); background: var(--bg-alt); }
.chat-bar span { width: 10px; height: 10px; border-radius: 50%; background: var(--border); }
.chat-body { padding: 18px; display: grid; gap: 12px; font-size: .95rem; }
.bubble { margin: 0; padding: 10px 14px; border-radius: 12px; max-width: 92%; }
.bubble-user { justify-self: end; background: var(--accent); color: var(--accent-text); border-bottom-right-radius: 4px; }
.bubble-ai { background: var(--bg-alt); border-bottom-left-radius: 4px; }
.bubble-ai p { margin: 0 0 6px; }
.bubble-ai ol { margin: 0; padding-left: 1.2em; }
.chat-missing { margin: 4px 0 0; display: flex; align-items: center; gap: 8px; color: var(--miss); font-weight: 700; border: 2px dashed var(--miss); border-radius: 10px; padding: 8px 12px; }
.chat-mock figcaption, .report-mock figcaption { font-size: .78rem; color: var(--muted); padding: 0 18px 12px; }

.why-grid { display: grid; gap: 24px; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); margin-top: 28px; }
.chart-card { margin: 0; background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; }
.chart-title { font-weight: 700; margin-bottom: 8px; }
.bar-chart { width: 100%; height: auto; display: block; }
.bar-chart .axis { stroke: var(--border); stroke-width: 2; }
.bar-chart .bar-muted { fill: var(--border); }
.bar-chart .bar-accent { fill: var(--accent); }
.bar-chart .bar-value { fill: var(--text); font: 700 20px system-ui, sans-serif; }
.bar-chart .bar-value-accent { fill: var(--accent); font-size: 26px; }
.bar-chart .bar-label { fill: var(--muted); font: 14px system-ui, sans-serif; }
.stats { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
.stat-card { background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; }
.stat-card p { margin: 0 0 8px; color: var(--muted); font-size: .95rem; }
.stat-card .stat-num { font-size: 2.2rem; font-weight: 800; color: var(--accent); line-height: 1; margin-bottom: 10px; letter-spacing: -.02em; }
.source { font-size: .8rem; color: var(--muted); margin: 8px 0 0; }
.stat-card .source { margin: 0; font-size: .8rem; }
.center { text-align: center; }
.kicker { font-size: 1.3rem; margin: 36px 0 0; text-align: center; }

.step-icon { width: 44px; height: 44px; color: var(--accent); background: var(--accent-soft); border-radius: 12px; padding: 8px; margin-bottom: 10px; }

.report-grid { display: grid; gap: 40px; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); align-items: center; }
.checks { list-style: none; padding: 0; margin: 16px 0 0; display: grid; gap: 8px; }
.checks li { padding-left: 30px; position: relative; }
.checks li::before { content: ""; position: absolute; left: 0; top: .25em; width: 20px; height: 20px; border-radius: 50%; background: var(--accent-soft); }
.checks li::after { content: ""; position: absolute; left: 7px; top: calc(.25em + 4px); width: 5px; height: 9px; border: solid var(--accent); border-width: 0 2.5px 2.5px 0; transform: rotate(45deg); }
.report-mock { margin: 0; background: var(--bg); border: 1px solid var(--border); border-radius: 14px; box-shadow: 0 18px 40px -20px rgba(0,0,0,.3); }
.report-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 14px 18px; border-bottom: 1px solid var(--border); }
.report-tag { font-size: .72rem; text-transform: uppercase; letter-spacing: .06em; background: var(--accent-soft); color: var(--accent); padding: 3px 8px; border-radius: 6px; font-weight: 700; }
.report-score { display: flex; align-items: center; gap: 16px; padding: 14px 18px; }
.report-score p { margin: 0; font-size: 1.05rem; }
.ring-bg { fill: none; stroke: var(--bg-alt); stroke-width: 12; }
.ring-fg { fill: none; stroke: var(--miss); stroke-width: 12; stroke-linecap: round; }
.ring-num { fill: var(--text); font: 800 24px system-ui, sans-serif; }
.ring-label { fill: var(--muted); font: 12px system-ui, sans-serif; }
.report-table { width: calc(100% - 36px); margin: 0 18px 14px; border-collapse: collapse; font-size: .9rem; }
.report-table td { padding: 8px 0; border-top: 1px solid var(--border); }
.report-table td:last-child { text-align: right; font-weight: 700; white-space: nowrap; padding-left: 8px; }
.report-table .miss { color: var(--miss); }
.report-table .hit { color: var(--accent); }

.plan { position: relative; }
.plan-badge { position: absolute; top: -13px; left: 24px; margin: 0; background: var(--accent); color: var(--accent-text); font-size: .78rem; font-weight: 700; padding: 3px 10px; border-radius: 20px; }
.plan-pitch { margin: -6px 0 14px; font-weight: 600; }

.quotes { display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); margin-top: 24px; }
.quote { margin: 0; background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; }
.quote blockquote { margin: 0 0 14px; font-size: 1.05rem; }
.quote figcaption { color: var(--muted); font-size: .9rem; }

.section-cta { background: var(--accent-soft); }