* { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #000000;
  --bg-soft: #0d0a04;
  --gold-1: #ffe261;
  --gold-2: #ffc400;
  --gold-3: #ffd625;
  --gold-deep: #b8860b;
  --text: #ffffff;
  --muted: rgba(255, 255, 255, 0.55);
  --line: rgba(255, 196, 0, 0.12);
}

html { scroll-behavior: smooth; }

body {
  font-family: "Trebuchet MS", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

.gold-text {
  background: linear-gradient(180deg, var(--gold-1) 0%, var(--gold-2) 50%, var(--gold-3) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
}

.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 48px;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
  z-index: 100;
}

.brand {
  font-weight: 700;
  letter-spacing: 0.15em;
  font-size: 18px;
}

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
}
.nav-links a {
  position: relative;
  display: inline-block;
  padding-bottom: 6px;
  color: var(--text);
  text-decoration: none;
  font-size: 13px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--gold-2); }
.nav-links a.nav-link-active { color: var(--gold-2); }
.nav-links a.nav-link-active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--gold-1) 0%, var(--gold-2) 50%, var(--gold-3) 100%);
  border-radius: 1px;
}

.lang-switch {
  display: flex;
  gap: 6px;
  margin-left: 24px;
}
.lang-btn {
  padding: 6px 10px;
  background: transparent;
  border: 1px solid rgba(255, 196, 0, 0.25);
  color: var(--text);
  border-radius: 2px;
  cursor: pointer;
  font-size: 11px;
  letter-spacing: 0.15em;
  font-family: inherit;
  transition: all 0.2s;
}
.lang-btn:hover { border-color: var(--gold-2); color: var(--gold-2); }
.lang-btn-active {
  background: linear-gradient(180deg, var(--gold-1) 0%, var(--gold-2) 50%, var(--gold-3) 100%);
  color: #000;
  border-color: var(--gold-2);
  font-weight: 700;
}

.section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 0px 48px 0px;
}

.section-inner {
  max-width: 1100px;
  margin: 0 auto;
  width: 100%;
}

.eyebrow {
  text-transform: uppercase;
  font-size: 12px;
  letter-spacing: 0.3em;
  color: var(--gold-2);
  margin-bottom: 16px;
}

.section h1 {
  font-size: clamp(40px, 6vw, 76px);
  font-weight: 800;
  letter-spacing: 0.15em;
  margin-bottom: 24px;
  line-height: 1.1;
}
.section h2 {
  font-size: clamp(32px, 4.5vw, 56px);
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 32px;
  background: linear-gradient(180deg, var(--gold-1) 0%, var(--gold-2) 50%, var(--gold-3) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
}

.lead {
  font-size: 18px;
  color: #ffffff;
  max-width: 800px;
  margin-bottom: 40px;
}

.section-about {
  background:
    radial-gradient(circle at 20% 20%, rgba(255, 196, 0, 0.08) 0%, transparent 50%),
    var(--bg);
}

.stats {
  display: flex;
  gap: 48px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}
.stat strong {
  display: block;
  font-size: 40px;
  font-weight: 800;
  background: linear-gradient(180deg, var(--gold-1) 0%, var(--gold-2) 50%, var(--gold-3) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat span {
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.cta {
  display: inline-block;
  padding: 14px 36px;
  background: linear-gradient(180deg, var(--gold-1) 0%, var(--gold-2) 50%, var(--gold-3) 100%);
  color: #000;
  text-decoration: none;
  font-weight: 800;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-size: 13px;
  border-radius: 2px;
  transition: transform 0.2s, box-shadow 0.2s;
  border: 1px solid var(--gold-2);
}
.cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(255, 196, 0, 0.35);
}

.section-features {
  background: var(--bg);
}

.feature-controls {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 32px;
}

.feature-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.feature-group-label {
  font-size: 11px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--muted);
}

.feature-checks {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.feature-check {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: transparent;
  border: 1px solid rgba(255, 196, 0, 0.25);
  border-radius: 2px;
  cursor: pointer;
  font-size: 12px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text);
  user-select: none;
  transition: all 0.2s;
}
.feature-check:hover { border-color: var(--gold-2); color: var(--gold-2); }
.feature-check input {
  appearance: none;
  width: 14px;
  height: 14px;
  border: 1px solid var(--gold-2);
  border-radius: 2px;
  display: inline-block;
  position: relative;
  cursor: pointer;
  background: transparent;
}
.feature-check input:checked {
  background: linear-gradient(180deg, var(--gold-1) 0%, var(--gold-2) 50%, var(--gold-3) 100%);
}
.feature-check input:checked::after {
  content: "";
  position: absolute;
  left: 3px;
  top: 0px;
  width: 4px;
  height: 8px;
  border: solid #000;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}
.feature-check-active {
  border-color: var(--gold-2);
  color: var(--gold-2);
}

.show-btn {
  align-self: flex-start;
  border: none;
  cursor: pointer;
  font-family: inherit;
}

.slot-frame {
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--bg-soft);
  box-shadow: 0 20px 50px rgba(255, 196, 0, 0.1);
}
.slot-frame iframe {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}

.section-contacts {
  background:
    radial-gradient(circle at 80% 80%, rgba(255, 196, 0, 0.08) 0%, transparent 50%),
    var(--bg);
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
  margin-bottom: 80px;
}
.contact-item {
  padding: 24px;
  background: var(--bg-soft);
  border-radius: 4px;
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.contact-label {
  font-size: 11px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--muted);
}
.contact-item a {
  color: var(--gold-2);
  text-decoration: none;
  font-size: 16px;
}
.contact-item a:hover { color: var(--gold-1); text-decoration: underline; }

.footer {
  padding-top: 32px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.15em;
}

@media (max-width: 640px) {
  .nav {
    padding: 12px 20px;
    flex-wrap: wrap;
    row-gap: 10px;
  }
  .nav-links {
    order: 3;
    width: 100%;
    gap: 20px;
    justify-content: center;
  }
  .lang-switch { margin-left: 0; }
  .section { padding: 80px 20px 0px; }
  .section-about { padding-top: 100px; }
  .stats { gap: 24px; }
}