:root {
  --bg: #f6f7f9;
  --panel: #ffffff;
  --text: #15171c;
  --muted: #5d6573;
  --faint: #8b93a1;
  --border: #e3e6eb;
  --accent: #2563eb;
  --accent-2: #8b5cf6;
  --accent-text: #ffffff;
  --accent-weak: #eaf0fe;
  --ok: #15803d;
  --shadow: 0 1px 2px rgba(16, 24, 40, .05), 0 12px 32px rgba(16, 24, 40, .08);
  --radius: 14px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111215;
    --panel: #1a1c20;
    --text: #e8eaee;
    --muted: #a0a7b3;
    --faint: #737b88;
    --border: #2a2d33;
    --accent: #5b8def;
    --accent-weak: #1c2640;
    --ok: #4ade80;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 12px 32px rgba(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: 16px/1.6 "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 20px; }

/* header */
.top { position: sticky; top: 0; z-index: 10; background: color-mix(in srgb, var(--bg) 86%, transparent);
       backdrop-filter: saturate(1.4) blur(10px); border-bottom: 1px solid var(--border); }
.top .wrap { display: flex; align-items: center; gap: 24px; height: 64px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 17px; color: var(--text); text-decoration: none; }
.mark { width: 28px; height: 28px; border-radius: 8px; flex: none;
        background: linear-gradient(135deg, #3b82f6, #8b5cf6); box-shadow: inset 0 0 0 5px rgba(255, 255, 255, .25); }
.top nav { display: flex; gap: 22px; margin-left: auto; }
.top nav a { color: var(--muted); text-decoration: none; font-size: 15px; }
.top nav a:hover { color: var(--text); }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 10px 18px; border-radius: 10px;
       font-weight: 600; font-size: 15px; text-decoration: none; border: 1px solid var(--border); background: var(--panel);
       color: var(--text); cursor: pointer; }
.btn:hover { border-color: var(--faint); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
.btn.primary:hover { filter: brightness(1.08); }
.btn.big { padding: 14px 24px; font-size: 16px; }
.btn.disabled { opacity: .6; pointer-events: none; }

/* hero */
.hero { padding: 72px 0 40px; text-align: center; }
.eyebrow { display: inline-block; font-size: 13px; font-weight: 600; color: var(--accent); background: var(--accent-weak);
           padding: 5px 12px; border-radius: 99px; margin-bottom: 18px; }
h1 { font-size: clamp(32px, 5vw, 54px); line-height: 1.12; letter-spacing: -.02em; margin: 0 auto 18px; max-width: 840px; }
.lead { font-size: clamp(17px, 2vw, 20px); color: var(--muted); max-width: 680px; margin: 0 auto 30px; }
.cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.note { color: var(--faint); font-size: 14px; margin-top: 14px; }
.shot { margin: 48px auto 0; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow);
        border: 1px solid var(--border); background: var(--panel); }

/* sections */
section { padding: 72px 0; scroll-margin-top: 64px; }
section.alt { background: var(--panel); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
h2 { font-size: clamp(26px, 3.4vw, 36px); letter-spacing: -.015em; line-height: 1.2; margin: 0 0 12px; text-align: center; }
.sub { color: var(--muted); text-align: center; max-width: 640px; margin: 0 auto 44px; }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 18px; }
.card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; }
section.alt .card { background: var(--bg); }
.card h3 { margin: 0 0 8px; font-size: 17px; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }
.icon { width: 40px; height: 40px; border-radius: 10px; display: grid; place-items: center; margin-bottom: 14px;
        background: var(--accent-weak); color: var(--accent); }
.icon svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

.gallery { display: grid; grid-template-columns: repeat(auto-fit, minmax(420px, 1fr)); gap: 24px; }
.gallery figure { margin: 0; }
.gallery img { border-radius: 12px; border: 1px solid var(--border); box-shadow: var(--shadow); }
.gallery figcaption { color: var(--muted); font-size: 14px; margin-top: 10px; text-align: center; }

.steps { counter-reset: step; display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 18px; }
.steps .card { position: relative; padding-top: 56px; }
.steps .card::before { counter-increment: step; content: counter(step); position: absolute; top: 20px; left: 24px;
                       width: 28px; height: 28px; border-radius: 50%; background: var(--accent); color: #fff;
                       display: grid; place-items: center; font-weight: 700; font-size: 14px; }

.works { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-top: 8px; }
.works span { border: 1px solid var(--border); background: var(--panel); border-radius: 99px; padding: 6px 14px;
              font-size: 14px; color: var(--muted); }

/* pricing */
.price-card { max-width: 460px; margin: 0 auto; text-align: center; padding: 36px 32px; border: 2px solid var(--accent); }
.price { font-size: 52px; font-weight: 800; letter-spacing: -.02em; line-height: 1; margin: 10px 0 4px; }
.price small { font-size: 16px; font-weight: 500; color: var(--muted); letter-spacing: 0; }
.ticks { list-style: none; padding: 0; margin: 24px 0 28px; text-align: left; display: grid; gap: 10px; }
.ticks li { padding-left: 28px; position: relative; color: var(--text); }
.ticks li::before { content: ""; position: absolute; left: 2px; top: 7px; width: 14px; height: 8px;
                    border-left: 2.5px solid var(--ok); border-bottom: 2.5px solid var(--ok); transform: rotate(-45deg); }
.price-card .btn { width: 100%; }
.fine { font-size: 13px; color: var(--faint); margin-top: 14px; }

/* faq */
.faq { max-width: 780px; margin: 0 auto; display: grid; gap: 12px; }
.faq details { background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 16px 20px; }
.faq summary { cursor: pointer; font-weight: 600; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--faint); font-size: 22px; line-height: 1; }
.faq details[open] summary::after { content: "–"; }
.faq details p { color: var(--muted); margin: 12px 0 0; }

/* legal pages */
.doc { max-width: 780px; margin: 0 auto; padding: 56px 20px 72px; }
.doc h1 { font-size: clamp(30px, 4vw, 40px); text-align: left; margin: 0 0 6px; }
.doc .updated { color: var(--faint); margin: 0 0 36px; }
.doc h2 { text-align: left; font-size: 21px; margin: 36px 0 10px; }
.doc p, .doc li { color: var(--muted); }
.doc strong { color: var(--text); }

/* footer */
footer { border-top: 1px solid var(--border); padding: 40px 0; color: var(--faint); font-size: 14px; }
footer .wrap { display: grid; gap: 14px; }
footer .links { display: flex; flex-wrap: wrap; gap: 20px; }
footer .links a { color: var(--muted); text-decoration: none; }
footer .links a:hover { color: var(--text); }
footer p { margin: 0; }

@media (max-width: 720px) {
  .top nav { display: none; }
  .top .wrap > .btn { margin-left: auto; }
  .gallery { grid-template-columns: 1fr; }
  section { padding: 56px 0; }
  .hero { padding-top: 48px; }
}
