:root {
  --bg: #14080a;
  --surface: #1f0f12;
  --text: #fff7f8;
  --muted: #d7b4b8;
  --accent: #d7070f;
  --accent-soft: rgba(215, 7, 15, 0.18);
  --line: rgba(255, 247, 248, 0.12);
  --max: 720px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Avenir Next", "Segoe UI", "Helvetica Neue", sans-serif;
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(215, 7, 15, 0.35), transparent 55%),
    radial-gradient(900px 500px at 100% 0%, rgba(255, 120, 140, 0.12), transparent 45%),
    var(--bg);
  line-height: 1.65;
}

a {
  color: #ff8a90;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.wrap {
  width: min(100% - 2rem, var(--max));
  margin: 0 auto;
  padding: 2.5rem 0 4rem;
}

.top {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.brand:hover {
  text-decoration: none;
}

.mark {
  width: 2.1rem;
  height: 2.1rem;
  border-radius: 0.7rem;
  display: grid;
  place-items: center;
  background: linear-gradient(145deg, #ff3b45, var(--accent));
  box-shadow: 0 8px 24px rgba(215, 7, 15, 0.35);
  font-size: 1rem;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.nav a,
.lang button {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  border-radius: 999px;
  padding: 0.45rem 0.85rem;
  font: inherit;
  font-size: 0.9rem;
  cursor: pointer;
}

.nav a:hover,
.lang button:hover,
.lang button.active {
  background: var(--accent-soft);
  border-color: rgba(215, 7, 15, 0.55);
  text-decoration: none;
}

.lang {
  display: inline-flex;
  gap: 0.35rem;
}

.hero {
  padding: 1.5rem 0 0.5rem;
}

.hero h1 {
  margin: 0 0 0.6rem;
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.hero p,
.lead {
  margin: 0;
  color: var(--muted);
  max-width: 40rem;
}

.meta {
  margin: 1rem 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.cards {
  display: grid;
  gap: 1rem;
  margin-top: 2rem;
}

.card {
  display: block;
  padding: 1.25rem 1.35rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.02));
  color: var(--text);
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.card:hover {
  border-color: rgba(215, 7, 15, 0.55);
  transform: translateY(-2px);
  text-decoration: none;
}

.card h2 {
  margin: 0 0 0.4rem;
  font-size: 1.15rem;
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.panel {
  margin-top: 1.25rem;
  padding: 1.5rem;
  border: 1px solid var(--line);
  border-radius: 1.1rem;
  background: rgba(31, 15, 18, 0.72);
  backdrop-filter: blur(8px);
}

.panel h2 {
  margin: 1.75rem 0 0.55rem;
  font-size: 1.15rem;
}

.panel h2:first-child {
  margin-top: 0;
}

.panel p,
.panel li {
  color: var(--muted);
}

.panel ul {
  margin: 0.4rem 0 0;
  padding-left: 1.2rem;
}

.panel li + li {
  margin-top: 0.35rem;
}

footer {
  margin-top: 2.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}

[hidden] {
  display: none !important;
}

@media (max-width: 560px) {
  .panel {
    padding: 1.15rem;
  }
}