:root {
  --ink: #e8f2fb;
  --muted: #b7c8d8;
  --line: rgba(180, 220, 255, 0.22);
  --glass: rgba(8, 14, 24, 0.62);
  --cyan: #7fd7ff;
  --danger: #ffb4b4;
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Outfit", sans-serif;
  color: var(--ink);
  background-color: #05080e;
  background-image:
    linear-gradient(90deg, rgba(6, 10, 18, 0.88) 0%, rgba(6, 10, 18, 0.55) 42%, rgba(6, 10, 18, 0.18) 100%),
    url("../assets/hero-bg-datacenter.jpg");
  background-position: center right;
  background-size: cover;
  background-repeat: no-repeat;
  background-attachment: fixed;
}

.skip {
  position: absolute;
  left: 1rem;
  top: -3rem;
  z-index: 3;
  padding: 0.5rem 0.8rem;
  background: #fff;
  color: #041018;
  border-radius: 0.4rem;
}

.skip:focus {
  top: 1rem;
}

.site-header {
  position: absolute;
  z-index: 2;
  inset: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 6vw;
}

.brand {
  font-family: "Syne", sans-serif;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: inherit;
  text-decoration: none;
  font-size: 1.15rem;
}

.site-header nav a {
  color: var(--ink);
  text-decoration: none;
  font-size: 0.95rem;
  border-bottom: 1px solid transparent;
}

.site-header nav a:hover,
.site-header nav a:focus-visible {
  border-bottom-color: var(--cyan);
}

.hero {
  min-height: 100vh;
  display: grid;
  align-items: center;
  padding: 6.5rem 6vw 3rem;
}

.welcome {
  min-height: 100vh;
  display: grid;
  place-items: center;
  font-family: Georgia, serif;
  font-size: 2rem;
}

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

.panel {
  width: min(34rem, 100%);
}

.kicker {
  margin: 0 0 0.75rem;
  color: var(--cyan);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: 0.75rem;
}

h1 {
  margin: 0;
  font-family: "Syne", sans-serif;
  font-size: clamp(2.4rem, 5vw, 4.2rem);
  line-height: 0.95;
  font-weight: 700;
}

.lead {
  margin: 1rem 0 1.5rem;
  max-width: 32rem;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.5;
}

.gate,
.session {
  padding: 1.25rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: var(--glass);
  backdrop-filter: blur(14px);
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-bottom: 0.85rem;
}

label {
  font-size: 0.85rem;
  color: var(--muted);
}

input {
  width: 100%;
  padding: 0.75rem 0.85rem;
  border-radius: 0.65rem;
  border: 1px solid var(--line);
  background: rgba(4, 8, 14, 0.55);
  color: var(--ink);
  font: inherit;
}

input:focus-visible,
button:focus-visible,
a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

button {
  width: 100%;
  margin-top: 0.25rem;
  padding: 0.8rem 1rem;
  border: 0;
  border-radius: 0.65rem;
  background: #d7f3ff;
  color: #061018;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

button:hover {
  background: #fff;
}

.error {
  margin: 0 0 0.75rem;
  color: var(--danger);
  font-size: 0.9rem;
}

.hint,
.session-note {
  margin: 0.85rem 0 0;
  color: var(--muted);
  font-size: 0.85rem;
  line-height: 1.45;
}

.hello {
  margin: 0;
  font-family: "Syne", sans-serif;
  font-size: 1.45rem;
}

.stats {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.6rem;
}

.stats li {
  padding: 0.75rem 0.6rem;
  border-radius: 0.7rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
}

.stats span {
  display: block;
  color: var(--muted);
  font-size: 0.75rem;
  margin-bottom: 0.25rem;
}

.stats strong {
  font-weight: 600;
  font-size: 0.95rem;
  overflow-wrap: anywhere;
}

@media (max-width: 720px) {
  body {
    background-position: 70% center;
  }

  .hero {
    padding-inline: 1.25rem;
  }

  .site-header {
    padding-inline: 1.25rem;
  }

  .stats {
    grid-template-columns: 1fr;
  }
}