:root {
  color-scheme: light dark;
  --bg: #f4f6f8; --surface: #ffffff; --surface-2: #eef2f5; --text: #121820; --muted: #5d6875;
  --border: #e3e8ed; --accent: #0f8f74;
  --grad: linear-gradient(135deg, #16c496 0%, #0b6f86 100%);
  --pro-grad: linear-gradient(135deg, #8b5cf6 0%, #5b4cf0 55%, #2f7cf6 100%);
  --shadow: 0 1px 2px rgba(16, 24, 40, .05), 0 12px 32px rgba(16, 24, 40, .08);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e1116; --surface: #161b22; --surface-2: #1c222b; --text: #e8ecf1; --muted: #9aa5b1;
    --border: #262e38; --accent: #2fc79f; --shadow: 0 12px 32px rgba(0, 0, 0, .35);
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); }
img { max-width: 100%; height: auto; display: block; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 20px; }

/* Nav */
.nav { display: flex; align-items: center; gap: 12px; padding: 18px 0; }
.nav .brand { display: flex; align-items: center; gap: 10px; font-weight: 750; font-size: 18px; color: inherit; text-decoration: none; }
.nav .brand img { width: 32px; height: 32px; border-radius: 8px; }
.nav .links { margin-left: auto; display: flex; gap: 20px; font-size: 15px; }
.nav .links a { color: var(--muted); text-decoration: none; }
.nav .links a:hover { color: var(--text); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 8px; padding: 13px 22px; border-radius: 12px;
  font-weight: 650; text-decoration: none; transition: filter .15s, transform .08s;
}
.btn:active { transform: translateY(1px); }
.btn.primary { background: var(--grad); color: #fff; box-shadow: 0 8px 22px rgba(15, 143, 116, .28); }
.btn.primary:hover { filter: brightness(1.06); }
.btn.ghost { color: var(--text); background: var(--surface); border: 1px solid var(--border); }

/* Hero */
.hero { display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; padding: 40px 0 72px; }
.hero h1 { font-size: clamp(36px, 5vw, 56px); line-height: 1.08; letter-spacing: -0.035em; margin: 0 0 18px; }
.hero h1 span { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p.lead { font-size: 19px; color: var(--muted); margin: 0 0 28px; max-width: 520px; }
.hero .cta { display: flex; gap: 12px; flex-wrap: wrap; }
.hero .note { margin-top: 14px; font-size: 14px; color: var(--muted); }
.hero .shot { justify-self: center; width: min(100%, 420px); border-radius: 22px; box-shadow: 0 30px 70px rgba(11, 111, 134, .28); }

/* Sections */
section.block { padding: 56px 0; }
.eyebrow { font-size: 13px; font-weight: 750; letter-spacing: .08em; text-transform: uppercase; color: var(--accent); }
h2 { font-size: clamp(28px, 3.6vw, 38px); letter-spacing: -0.025em; margin: 6px 0 12px; line-height: 1.15; }
.sub { color: var(--muted); font-size: 17px; max-width: 640px; margin: 0 0 32px; }

.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 18px; padding: 24px; box-shadow: var(--shadow); }
.card .num {
  width: 34px; height: 34px; border-radius: 10px; background: var(--grad); color: #fff;
  display: grid; place-items: center; font-weight: 750; margin-bottom: 14px;
}
.card h3 { margin: 0 0 6px; font-size: 18px; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }

.features { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px 32px; margin: 0; padding: 0; list-style: none; }
.features li { display: flex; gap: 12px; align-items: flex-start; }
.features li::before {
  content: "✓"; flex: none; width: 24px; height: 24px; border-radius: 50%; margin-top: 2px;
  background: var(--grad); color: #fff; font-size: 13px; font-weight: 800; display: grid; place-items: center;
}
.features strong { display: block; }
.features span { color: var(--muted); font-size: 15px; }

.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.gallery img { border-radius: 14px; box-shadow: var(--shadow); }

.pricing { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; max-width: 780px; }
.plan h3 { margin: 0; font-size: 20px; }
.plan .price { font-size: 40px; font-weight: 800; letter-spacing: -0.03em; margin: 8px 0 2px; }
.plan .price small { font-size: 15px; font-weight: 500; color: var(--muted); }
.plan ul { padding-left: 0; list-style: none; margin: 16px 0 0; display: grid; gap: 8px; }
.plan li::before { content: "✓  "; color: var(--accent); font-weight: 800; }
.plan.pro { background: var(--pro-grad); color: #fff; border: none; }
.plan.pro li::before { color: #fff; }
.plan.pro .price small { color: rgba(255, 255, 255, .8); }

/* FAQ */
details.faq { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 16px 20px; }
details.faq + details.faq { margin-top: 10px; }
details.faq summary { cursor: pointer; font-weight: 650; list-style: none; display: flex; justify-content: space-between; gap: 12px; }
details.faq summary::-webkit-details-marker { display: none; }
details.faq summary::after { content: "+"; color: var(--muted); font-weight: 400; font-size: 20px; line-height: 1; }
details.faq[open] summary::after { content: "–"; }
details.faq p, details.faq ol, details.faq ul { color: var(--muted); margin: 10px 0 0; }

.contact {
  background: var(--grad); color: #fff; border-radius: 20px; padding: 32px; display: flex; gap: 20px;
  align-items: center; justify-content: space-between; flex-wrap: wrap;
}
.contact h2 { margin: 0 0 4px; }
.contact p { margin: 0; opacity: .9; }
.contact .btn { background: #fff; color: #0b6f86; }

footer { padding: 40px 0 56px; color: var(--muted); font-size: 14px; display: flex; gap: 18px; flex-wrap: wrap; }
footer a { color: var(--muted); }

@media (max-width: 820px) {
  .hero { grid-template-columns: 1fr; padding-top: 16px; }
  .steps, .gallery, .pricing, .features { grid-template-columns: 1fr; }
  .nav .links { gap: 14px; }
}