:root {
  --navy-950: #060d1e;
  --navy-900: #0c1835;
  --navy-800: #112553;
  --red-900: #520b15;
  --red-800: #7b1021;
  --red-700: #a1142d;
  --text: #eef3ff;
  --muted: #b7c4e4;
  --card: rgba(8, 18, 43, 0.72);
  --card-border: rgba(255, 255, 255, 0.14);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100dvh;
  font-family: "Source Sans 3", sans-serif;
  color: var(--text);
  background:
    radial-gradient(1000px 500px at -10% -20%, rgba(161, 20, 45, 0.4), transparent 55%),
    radial-gradient(900px 560px at 120% 120%, rgba(17, 37, 83, 0.7), transparent 60%),
    linear-gradient(135deg, var(--navy-950), var(--navy-900) 45%, #0a1430);
  overflow-x: hidden;
}

body::before,
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
}

body::before {
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: radial-gradient(circle at center, black 32%, transparent 95%);
}

body::after {
  background: linear-gradient(20deg, rgba(123, 16, 33, 0.26), transparent 28%, transparent 72%, rgba(17, 37, 83, 0.3));
}

.page {
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: clamp(14px, 3.2vw, 32px);
}

.card {
  width: min(100%, 560px);
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: clamp(18px, 2.8vw, 24px);
  padding: clamp(18px, 4vw, 30px);
  box-shadow: 0 18px 60px rgba(2, 6, 15, 0.5);
  backdrop-filter: blur(10px);
  transform: translateY(12px);
  opacity: 0;
  animation: reveal 0.6s ease-out forwards;
}

.logo-slot {
  display: grid;
  place-items: center;
  margin: 0 0 14px;
}

.logo-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s ease;
}

.logo-link:hover,
.logo-link:focus-visible {
  transform: translateY(-2px);
}

.logo-image {
  display: block;
  width: clamp(160px, 44vw, 260px);
  max-height: 120px;
  object-fit: contain;
}

.logo-placeholder {
  margin: 0;
  font-size: 0.82rem;
  color: rgba(238, 243, 255, 0.72);
}

.kicker {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-weight: 700;
  color: #ff8094;
  font-size: 0.78rem;
}

h1 {
  margin: 8px 0 10px;
  font-family: "Oswald", sans-serif;
  font-size: clamp(2rem, 7vw, 3.3rem);
  line-height: 0.98;
  color: #ffffff;
  text-shadow: 0 4px 18px rgba(0, 0, 0, 0.35);
}

.subtitle {
  margin: 0 0 22px;
  font-size: clamp(0.98rem, 2.2vw, 1.07rem);
  color: var(--muted);
}

.links {
  display: grid;
  gap: 12px;
}

.link-btn {
  --mx: 50%;
  --my: 50%;
  position: relative;
  isolation: isolate;
  text-decoration: none;
  color: #fff;
  background: linear-gradient(100deg, var(--red-900), var(--red-700));
  min-height: 48px;
  padding: clamp(12px, 2.5vw, 14px) clamp(14px, 3vw, 16px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 14px;
  font-weight: 700;
  text-align: center;
  letter-spacing: 0.02em;
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease, filter 0.2s ease;
}

.link-btn[data-tone="navy"] {
  background: linear-gradient(100deg, var(--navy-800), #1a3977);
}

.link-btn::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  border-radius: inherit;
  background:
    radial-gradient(circle at var(--mx) var(--my), rgba(255, 255, 255, 0.24), transparent 38%),
    linear-gradient(115deg, rgba(255, 255, 255, 0.16), transparent 35%, rgba(17, 37, 83, 0.35));
  opacity: 0;
  transition: opacity 0.2s ease;
}

.link-btn:hover,
.link-btn:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 12px 25px rgba(0, 0, 0, 0.35);
  border-color: rgba(255, 255, 255, 0.28);
  filter: saturate(1.08);
}

.link-btn:hover::before,
.link-btn:focus-visible::before {
  opacity: 1;
}

@keyframes reveal {
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@media (max-width: 520px) {
  .card {
    padding: 24px 18px;
    border-radius: 20px;
  }

  .kicker {
    letter-spacing: 0.13em;
    font-size: 0.72rem;
  }

  h1 {
    font-size: clamp(1.76rem, 10.2vw, 2.4rem);
  }

  .logo-slot {
    margin-bottom: 10px;
  }

  .logo-image {
    width: clamp(140px, 56vw, 220px);
    max-height: 100px;
  }
}

@media (max-width: 360px) {
  .page {
    padding: 10px;
  }

  .card {
    padding: 16px 12px;
  }

  .links {
    gap: 10px;
  }

  .link-btn {
    border-radius: 12px;
    font-size: 0.95rem;
  }
}

@media (min-width: 900px) {
  .card {
    width: min(100%, 620px);
  }

  .links {
    gap: 14px;
  }
}

@media (hover: none), (pointer: coarse) {
  .link-btn::before {
    opacity: 0.45;
  }
}

@media (prefers-reduced-motion: reduce) {
  .card,
  .link-btn {
    animation: none;
    transition: none;
  }
}