:root {
  --bg: #ffffff;
  --bg-soft: #f4f7fb;
  --text: #16202c;
  --muted: #566476;
  --line: #dde4ee;
  --brand: #1f6fc5;
  --brand-dark: #185a9f;
  --accent: #ffc83d;
  --card: #ffffff;
  --ok: #1f8a5b;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(22, 32, 44, 0.08);
  --max: 1080px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f151d;
    --bg-soft: #151d27;
    --text: #e8eef6;
    --muted: #9fb0c4;
    --line: #26323f;
    --brand: #4c9cf0;
    --brand-dark: #78b5f5;
    --card: #17212c;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 "Segoe UI Variable Text", "Segoe UI", system-ui, -apple-system, sans-serif;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; }

a { color: var(--brand); }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 20px; }

/* ---- header ---- */
.site-header {
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap { display: flex; align-items: center; gap: 24px; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font-weight: 700; font-size: 19px; }
.brand img { width: 32px; height: 32px; }
.brand small { font-weight: 400; color: var(--muted); font-size: 15px; }
.site-header nav { margin-left: auto; display: flex; gap: 22px; }
.site-header nav a { color: var(--muted); text-decoration: none; font-size: 15px; }
.site-header nav a:hover { color: var(--text); }
@media (max-width: 720px) { .site-header nav { display: none; } }

/* ---- hero ---- */
.hero { padding: 72px 0 56px; }
.hero .wrap { display: grid; grid-template-columns: 1.05fr 1fr; gap: 48px; align-items: center; }
.eyebrow { display: inline-block; font-size: 14px; font-weight: 600; color: var(--brand); background: color-mix(in srgb, var(--brand) 12%, transparent); padding: 4px 12px; border-radius: 999px; }
h1 { font-size: clamp(34px, 5vw, 52px); line-height: 1.1; margin: 16px 0; letter-spacing: -0.02em; }
.lead { font-size: 19px; color: var(--muted); margin: 0 0 28px; }
.hero-art { width: 100%; }
@media (max-width: 880px) {
  .hero { padding-top: 44px; }
  .hero .wrap { grid-template-columns: 1fr; }
}

/* ---- signup ---- */
.signup { display: flex; gap: 10px; flex-wrap: wrap; max-width: 520px; }
.signup input[type="email"] {
  flex: 1 1 240px; min-width: 0; font: inherit; padding: 13px 16px;
  border: 1px solid var(--line); border-radius: 10px; background: var(--card); color: var(--text);
}
.signup input[type="email"]:focus { outline: 2px solid var(--brand); outline-offset: 1px; }
.button {
  font: inherit; font-weight: 600; padding: 13px 22px; border: 0; border-radius: 10px; cursor: pointer;
  background: var(--brand); color: #fff; text-decoration: none; display: inline-block;
}
.button:hover { background: var(--brand-dark); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.fine { font-size: 14px; color: var(--muted); margin-top: 12px; }

/* ---- sections ---- */
section { padding: 64px 0; }
section.soft { background: var(--bg-soft); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
h2 { font-size: clamp(26px, 3.4vw, 36px); line-height: 1.2; margin: 0 0 12px; letter-spacing: -0.01em; }
.section-lead { color: var(--muted); max-width: 640px; margin: 0 0 36px; }

.pains { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.pain { padding: 22px; border-left: 4px solid var(--accent); background: var(--card); border-radius: 0 var(--radius) var(--radius) 0; box-shadow: var(--shadow); }
.pain p { margin: 0; }

.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.feature { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.feature h3 { margin: 12px 0 6px; font-size: 18px; }
.feature p { margin: 0; color: var(--muted); font-size: 16px; }
.icon { width: 40px; height: 40px; border-radius: 10px; display: grid; place-items: center; background: color-mix(in srgb, var(--brand) 14%, transparent); color: var(--brand); }
.icon svg { width: 22px; height: 22px; }
.feature.key { border-color: var(--brand); }
.tag { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; color: var(--brand); }

@media (max-width: 880px) { .pains, .features { grid-template-columns: 1fr; } }

.shots { display: grid; grid-template-columns: 1.6fr 1fr; gap: 28px; align-items: start; }
figure { margin: 0; }
figure img { border-radius: 10px; box-shadow: var(--shadow); border: 1px solid var(--line); display: block; }
figcaption { color: var(--muted); font-size: 15px; margin-top: 12px; }
@media (max-width: 880px) { .shots { grid-template-columns: 1fr; } }

.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; counter-reset: step; list-style: none; padding: 0; margin: 0; }
.steps li { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px 24px 24px 72px; position: relative; }
.steps li::before {
  counter-increment: step; content: counter(step);
  position: absolute; left: 22px; top: 22px; width: 34px; height: 34px; border-radius: 50%;
  background: var(--brand); color: #fff; font-weight: 700; display: grid; place-items: center;
}
.steps h3 { margin: 0 0 4px; font-size: 18px; }
.steps p { margin: 0; color: var(--muted); font-size: 16px; }
@media (max-width: 880px) { .steps { grid-template-columns: 1fr; } }

.price-card { max-width: 460px; margin: 0 auto; text-align: center; background: var(--card); border: 2px solid var(--brand); border-radius: 20px; padding: 36px 32px; box-shadow: var(--shadow); }
.price { font-size: 60px; font-weight: 800; line-height: 1; margin: 8px 0 4px; }
.price small { font-size: 18px; font-weight: 500; color: var(--muted); }
.checks { list-style: none; padding: 0; margin: 24px 0 28px; text-align: left; }
.checks li { padding: 6px 0 6px 30px; position: relative; }
.checks li::before { content: "✓"; position: absolute; left: 4px; color: var(--ok); font-weight: 800; }

.faq { max-width: 760px; }
.faq details { border-bottom: 1px solid var(--line); padding: 16px 0; }
.faq summary { cursor: pointer; font-weight: 600; font-size: 18px; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; float: right; color: var(--muted); font-weight: 400; }
.faq details[open] summary::after { content: "–"; }
.faq details p { color: var(--muted); margin: 10px 0 0; }

.cta { text-align: center; }
.cta .signup { margin: 0 auto; }

footer { border-top: 1px solid var(--line); padding: 32px 0 48px; color: var(--muted); font-size: 14px; }
footer .wrap { display: flex; gap: 20px; flex-wrap: wrap; justify-content: space-between; }
footer a { color: var(--muted); }

/* ---- simple pages ---- */
.page { padding: 56px 0 72px; }
.page .wrap { max-width: 760px; }
.page h1 { font-size: clamp(30px, 4vw, 40px); }
.page h2 { font-size: 22px; margin-top: 32px; }
.page p, .page li { color: var(--text); }