:root {
  --gdr-red: #d22630;
  --gdr-red-hover: #b91f28;
  --background: #0b0c0f;
  --surface: #121419;
  --text: #f4f5f7;
  --muted: #a8adb7;
  --border: rgba(255, 255, 255, 0.1);
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  min-height: 100vh;
  margin: 0;
  display: flex;
  flex-direction: column;
  color: var(--text);
  background:
    radial-gradient(circle at 50% 25%, rgba(210, 38, 48, 0.13), transparent 30rem),
    var(--background);
  font-family: Inter, "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

a {
  color: inherit;
}

.landing-header {
  width: 100%;
  min-height: 76px;
  padding: 1rem clamp(1.25rem, 4vw, 3.5rem);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  border-bottom: 1px solid var(--border);
  background: rgba(11, 12, 15, 0.72);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--text);
  text-decoration: none;
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.brand img {
  border-radius: 9px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.header-login,
.primary-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: var(--gdr-red);
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  transition: background-color 0.18s ease, transform 0.18s ease;
}

.header-login {
  min-height: 40px;
  padding: 0 1rem;
  font-size: 0.92rem;
}

.header-login:hover,
.primary-action:hover {
  background: var(--gdr-red-hover);
}

.primary-action:hover {
  transform: translateY(-1px);
}

.language-selector {
  position: relative;
}

.language-selector summary {
  min-height: 40px;
  padding: 0 0.9rem;
  display: flex;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: 10px;
  color: #d9dce2;
  cursor: pointer;
  list-style: none;
  font-size: 0.9rem;
  user-select: none;
}

.language-selector summary::-webkit-details-marker {
  display: none;
}

.language-selector summary::after {
  content: "▾";
  margin-left: 0.55rem;
  color: var(--muted);
  font-size: 0.72rem;
}

.language-menu {
  position: absolute;
  z-index: 10;
  top: calc(100% + 0.5rem);
  right: 0;
  min-width: 150px;
  padding: 0.4rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
}

.language-menu a {
  display: block;
  padding: 0.6rem 0.7rem;
  border-radius: 7px;
  color: #d9dce2;
  text-decoration: none;
  font-size: 0.9rem;
}

.language-menu a:hover,
.language-menu a[aria-current="page"] {
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
}

.landing-main {
  width: 100%;
  flex: 1;
  display: grid;
  place-items: center;
  padding: clamp(4rem, 10vh, 7rem) 1.5rem;
}

.hero {
  width: min(100%, 760px);
  text-align: center;
}

.hero-logo {
  width: 112px;
  height: 112px;
  margin-bottom: 2rem;
  border-radius: 24px;
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.35);
}

.hero-kicker {
  margin: 0 0 0.9rem;
  color: #f06c74;
  font-size: 0.84rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  font-size: clamp(4rem, 12vw, 7rem);
  line-height: 0.95;
  letter-spacing: -0.065em;
  font-weight: 850;
}

.hero-description {
  max-width: 650px;
  margin: 1.8rem auto 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 2.3vw, 1.22rem);
  line-height: 1.75;
}

.primary-action {
  min-height: 52px;
  margin-top: 2.25rem;
  padding: 0 1.45rem;
  font-size: 1rem;
}

.landing-footer {
  min-height: 68px;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-top: 1px solid var(--border);
  color: #777e89;
  text-align: center;
  font-size: 0.86rem;
}

@media (max-width: 600px) {
  .landing-header {
    min-height: 68px;
    padding-inline: 1rem;
  }

  .brand span {
    display: none;
  }

  .brand img {
    width: 34px;
    height: 34px;
  }

  .language-selector summary,
  .header-login {
    min-height: 38px;
  }

  .hero-logo {
    width: 92px;
    height: 92px;
    border-radius: 20px;
  }

  .hero h1 {
    font-size: clamp(3.7rem, 22vw, 5.3rem);
  }
}