.pp-btn { margin-top: 14px; min-height: 45px; }
:root {
  --bg: #0b0f14;
  --bg-soft: #11161d;
  --surface: #161c25;
  --surface-2: #1d2530;
  --border: #273141;
  --text: #e8edf3;
  --muted: #9aa7b6;
  --primary: #f59e0b;
  --primary-soft: #fbbf24;
  --accent: #38bdf8;
  --ok: #34d399;
  --radius: 16px;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  --max: 1080px;
  font-synthesis: none;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue",
    "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  background: radial-gradient(1200px 600px at 70% -10%, #1a2330 0%, var(--bg) 55%) fixed;
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

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

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(10px);
  background: rgba(11, 15, 20, 0.72);
  border-bottom: 1px solid var(--border);
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { font-weight: 800; letter-spacing: 0.2px; font-size: 18px; display: flex; align-items: center; gap: 8px; }
.brand .dot { width: 10px; height: 10px; border-radius: 50%; background: var(--primary); box-shadow: 0 0 12px var(--primary); }
.nav { display: flex; align-items: center; gap: 6px; }
.nav a { padding: 8px 12px; border-radius: 10px; color: var(--muted); font-weight: 600; font-size: 14px; }
.nav a:hover { color: var(--text); background: var(--surface); }
.nav a.active { color: var(--text); background: var(--surface-2); }

/* Language switcher */
.lang { position: relative; }
.lang > button {
  display: inline-flex; align-items: center; gap: 6px; cursor: pointer;
  background: var(--surface); color: var(--text); border: 1px solid var(--border);
  padding: 8px 12px; border-radius: 10px; font-weight: 600; font-size: 14px;
}
.lang > button:hover { border-color: var(--primary); }
.lang .menu {
  position: absolute; right: 0; top: calc(100% + 8px); min-width: 160px;
  background: var(--surface); border: 1px solid var(--border); border-radius: 12px;
  padding: 6px; box-shadow: var(--shadow); display: none;
}
.lang.open .menu { display: block; }
.lang .menu a { display: block; padding: 9px 12px; border-radius: 8px; color: var(--muted); font-size: 14px; }
.lang .menu a:hover { background: var(--surface-2); color: var(--text); }

/* Hero */
.hero { padding: 80px 0 56px; text-align: center; }
.hero .badge {
  display: inline-block; font-size: 13px; font-weight: 700; color: var(--primary-soft);
  background: rgba(245, 158, 11, 0.12); border: 1px solid rgba(245, 158, 11, 0.3);
  padding: 6px 14px; border-radius: 999px; margin-bottom: 18px;
}
.hero h1 { font-size: clamp(30px, 5vw, 52px); line-height: 1.1; margin: 0 0 16px; font-weight: 800; }
.hero p.sub { color: var(--muted); font-size: clamp(16px, 2.2vw, 19px); max-width: 720px; margin: 0 auto 14px; }
.hero p.desc { color: var(--muted); max-width: 680px; margin: 0 auto 28px; }
.hero .actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 22px; border-radius: 12px; font-weight: 700; font-size: 15px;
  border: 1px solid transparent; cursor: pointer; transition: transform 0.05s ease, filter 0.2s ease;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: linear-gradient(180deg, var(--primary-soft), var(--primary)); color: #1a1206; }
.btn-primary:hover { filter: brightness(1.05); }
.btn-ghost { background: var(--surface); color: var(--text); border-color: var(--border); }
.btn-ghost:hover { border-color: var(--primary); }
.btn-pay { width: 100%; background: #ffc439; color: #111; border: 1px solid #e0a800; font-weight: 800; }
.btn-pay:hover { filter: brightness(1.04); }

/* Sections */
.section { padding: 56px 0; }
.section h2 { font-size: clamp(24px, 3.5vw, 34px); margin: 0 0 8px; font-weight: 800; }
.section .lead { color: var(--muted); max-width: 680px; margin: 0 0 32px; }

/* Grid + cards */
.grid { display: grid; gap: 18px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 880px) { .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

.card {
  background: linear-gradient(180deg, var(--surface), var(--bg-soft));
  border: 1px solid var(--border); border-radius: var(--radius); padding: 22px;
}
.card .ico { width: 38px; height: 38px; color: var(--primary); margin-bottom: 12px; }
.card h3 { margin: 0 0 8px; font-size: 18px; }
.card p { margin: 0; color: var(--muted); font-size: 14.5px; }

/* Pricing */
.model-block { margin-bottom: 44px; }
.model-block .model-head { margin-bottom: 18px; }
.model-block .model-head h3 { font-size: 22px; margin: 0 0 4px; }
.model-block .model-head p { color: var(--muted); margin: 0; }

.price-card { display: flex; flex-direction: column; }
.price-card.featured { border-color: var(--primary); box-shadow: 0 0 0 1px var(--primary); }
.price-card .name { font-weight: 800; font-size: 17px; }
.price-card .price { font-size: 30px; font-weight: 800; margin: 10px 0 2px; color: var(--primary-soft); }
.price-card .dur { color: var(--muted); font-size: 13px; margin-bottom: 14px; }
.price-card ul { list-style: none; padding: 0; margin: 0 0 18px; display: grid; gap: 9px; }
.price-card li { color: var(--text); font-size: 14px; display: flex; gap: 9px; }
.price-card li svg { flex: none; width: 18px; height: 18px; color: var(--ok); margin-top: 3px; }
.price-card .paypal-form { margin-top: auto; }
.price-card .note { color: var(--muted); font-size: 12.5px; margin: 10px 0 0; text-align: center; }
.price-card .btns { display: grid; gap: 10px; margin-top: auto; }

/* FAQ */
.faq { display: grid; gap: 12px; max-width: 820px; }
.faq details {
  background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 4px 18px;
}
.faq summary { cursor: pointer; font-weight: 700; padding: 14px 0; list-style: none; display: flex; justify-content: space-between; align-items: center; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--primary); font-size: 20px; }
.faq details[open] summary::after { content: "−"; }
.faq p { color: var(--muted); margin: 0 0 16px; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
@media (max-width: 760px) { .contact-grid { grid-template-columns: 1fr; } }
.email-box { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; }
.email-box .mail { font-size: 20px; font-weight: 800; color: var(--primary-soft); }
.email-box .res { color: var(--muted); font-size: 14px; margin-top: 6px; }

form.lead-form { display: grid; gap: 14px; }
form.lead-form label { font-size: 13px; color: var(--muted); font-weight: 600; }
form.lead-form input, form.lead-form textarea {
  width: 100%; background: var(--bg-soft); border: 1px solid var(--border); color: var(--text);
  border-radius: 10px; padding: 12px 14px; font-size: 15px; font-family: inherit;
}
form.lead-form input:focus, form.lead-form textarea:focus { outline: none; border-color: var(--primary); }
form.lead-form textarea { resize: vertical; min-height: 120px; }
.form-msg { font-size: 14px; font-weight: 600; }
.form-msg.ok { color: var(--ok); }
.form-msg.err { color: #f87171; }

/* Footer */
.site-footer { border-top: 1px solid var(--border); margin-top: 40px; padding: 28px 0; color: var(--muted); font-size: 13.5px; }
.site-footer .wrap { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; }
.site-footer a { color: var(--accent); }

/* Misc */
.center { text-align: center; }
.muted { color: var(--muted); }
.tag { display: inline-block; font-size: 12px; color: var(--primary-soft); border: 1px solid rgba(245,158,11,0.35); padding: 3px 10px; border-radius: 999px; margin-bottom: 10px; }