:root {
  --sky: #f5fcfd;
  --sky-deep: #dff3f6;
  --seafoam: #c4f0ec;
  --aqua: #1ea79c;
  --aqua-dark: #0b6973;
  --ink: #13353d;
  --text-soft: rgba(19, 53, 61, 0.75);
  --card: rgba(255, 255, 255, 0.82);
  --border: rgba(11, 105, 115, 0.12);
  --shadow: 0 28px 80px rgba(24, 79, 90, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
}

body {
  min-height: 100vh;
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--sky);
}

.hero {
  position: relative;
  isolation: isolate;
  min-height: 100vh;
  display: grid;
  place-items: center;
  overflow: hidden;
  padding: 32px 20px;
  background:
    radial-gradient(circle at 15% 15%, rgba(102, 221, 214, 0.28), transparent 28%),
    radial-gradient(circle at 85% 75%, rgba(95, 190, 230, 0.22), transparent 24%),
    linear-gradient(160deg, #f9ffff 0%, #eefbfc 42%, #ddf2f5 100%);
}

.hero::before,
.hero::after {
  content: "";
  position: absolute;
  z-index: -2;
  left: -10%;
  width: 120%;
  height: 220px;
  border-radius: 50%;
}

.hero::before {
  bottom: -115px;
  transform: rotate(-3deg);
  background: rgba(30, 167, 156, 0.08);
}

.hero::after {
  bottom: -165px;
  background: rgba(11, 105, 115, 0.06);
  transform: rotate(4deg);
}

.ocean-light {
  position: absolute;
  z-index: -1;
  border-radius: 999px;
  filter: blur(70px);
  opacity: 0.48;
}

.ocean-light--one {
  top: 8%;
  left: 6%;
  width: 240px;
  height: 240px;
  background: #b8f1ec;
}

.ocean-light--two {
  right: 5%;
  bottom: 10%;
  width: 300px;
  height: 300px;
  background: #c8eefd;
}

.card {
  width: min(100%, 680px);
  padding: clamp(36px, 7vw, 64px);
  text-align: center;
  border: 1px solid var(--border);
  border-radius: 30px;
  background: var(--card);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.logo-wrapper {
  min-height: 116px;
  display: grid;
  place-items: center;
  margin-bottom: 24px;
}

.logo {
  display: block;
  width: min(100%, 330px);
  max-height: 150px;
  object-fit: contain;
  filter: drop-shadow(0 10px 22px rgba(13, 75, 84, 0.10));
}

.logo-fallback {
  font-size: clamp(2.4rem, 9vw, 4.4rem);
  font-weight: 900;
  letter-spacing: 0.1em;
  color: var(--aqua-dark);
}

.eyebrow {
  margin: 0 0 12px;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.24em;
  color: var(--aqua);
}

h1 {
  margin: 0;
  font-size: clamp(2.25rem, 7vw, 4.65rem);
  line-height: 1.02;
  letter-spacing: -0.045em;
  text-wrap: balance;
  color: #0f3138;
}

.description {
  max-width: 530px;
  margin: 24px auto 32px;
  font-size: clamp(1rem, 2.5vw, 1.15rem);
  line-height: 1.7;
  color: var(--text-soft);
}

.catalog-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 11px;
  min-height: 56px;
  padding: 15px 26px;
  border: 1px solid rgba(11, 105, 115, 0.16);
  border-radius: 999px;
  color: #ffffff;
  background: linear-gradient(135deg, #32c8bc, #179db0);
  box-shadow: 0 12px 30px rgba(23, 157, 176, 0.20);
  font-size: 1rem;
  font-weight: 800;
  text-decoration: none;
  transition: transform 180ms ease, box-shadow 180ms ease, filter 180ms ease;
}

.catalog-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 17px 34px rgba(23, 157, 176, 0.28);
  filter: brightness(1.04);
}

.catalog-button:active {
  transform: translateY(-1px);
}

.catalog-button:focus-visible {
  outline: 3px solid rgba(11, 105, 115, 0.25);
  outline-offset: 5px;
}

.file-note {
  margin: 16px 0 0;
  font-size: 0.82rem;
  color: rgba(19, 53, 61, 0.55);
}

@media (max-width: 520px) {
  .hero {
    padding: 18px;
  }

  .card {
    padding: 38px 24px;
    border-radius: 24px;
  }

  .logo-wrapper {
    min-height: 90px;
    margin-bottom: 18px;
  }

  .catalog-button {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}
