:root {
  color-scheme: light;
  --ink: #142033;
  --muted: #5e6878;
  --cyan: #18b9f2;
  --orange: #ff9d00;
  --paper: #ffffff;
  --line: rgba(20, 32, 51, 0.1);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: #f6f8fb;
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 15% 15%, rgba(24, 185, 242, 0.12), transparent 31rem),
    radial-gradient(circle at 85% 85%, rgba(255, 157, 0, 0.1), transparent 28rem),
    #f6f8fb;
}

.welcome {
  min-height: 100vh;
  min-height: 100svh;
  display: grid;
  place-items: center;
  padding: clamp(0.5rem, 2vw, 1.25rem) clamp(1rem, 4vw, 3rem);
}

.welcome-card {
  position: relative;
  width: min(100%, 840px);
  padding: clamp(2rem, 6vw, 4.75rem);
  overflow: hidden;
  text-align: center;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--line);
  border-radius: 30px;
  box-shadow: 0 24px 70px rgba(36, 53, 78, 0.12);
  backdrop-filter: blur(12px);
}

.welcome-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: linear-gradient(180deg, var(--cyan), var(--orange));
}

.eyebrow {
  display: inline-block;
  margin-bottom: 1.5rem;
  color: #25718e;
  font-size: 0.72rem;
  font-weight: 750;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.logo-frame {
  width: min(100%, 440px);
  margin: 0 auto clamp(1.8rem, 4vw, 2.8rem);
  padding: 1.1rem 1.25rem;
  background: var(--paper);
  border: 1px solid rgba(20, 32, 51, 0.08);
  border-radius: 20px;
  box-shadow: 0 12px 35px rgba(36, 53, 78, 0.08);
}

.logo {
  display: block;
  width: 100%;
  height: auto;
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 5.3vw, 4.15rem);
  line-height: 1.05;
  letter-spacing: -0.045em;
}

p {
  max-width: 600px;
  margin: 1.4rem auto 2.1rem;
  color: var(--muted);
  font-size: clamp(1rem, 2vw, 1.12rem);
  line-height: 1.7;
}

.enter-button {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  min-height: 54px;
  padding: 0.85rem 1rem 0.85rem 1.35rem;
  color: #fff;
  font-weight: 750;
  text-decoration: none;
  background: var(--ink);
  border-radius: 999px;
  box-shadow: 0 12px 25px rgba(20, 32, 51, 0.2);
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.arrow {
  display: grid;
  width: 35px;
  height: 35px;
  place-items: center;
  color: var(--ink);
  font-size: 1.15rem;
  background: linear-gradient(135deg, var(--cyan), #72d8fb);
  border-radius: 50%;
}

.enter-button:hover {
  transform: translateY(-2px);
  background: #1c2b42;
  box-shadow: 0 16px 30px rgba(20, 32, 51, 0.25);
}

.enter-button:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 5px;
}

@media (max-width: 560px) {
  .welcome {
    align-items: start;
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
  }

  .welcome-card {
    padding: 1.65rem 1.25rem 1.85rem;
    border-radius: 22px;
  }

  .eyebrow {
    margin-bottom: 1.15rem;
    font-size: 0.64rem;
    line-height: 1.5;
  }

  .logo-frame {
    padding: 0.8rem;
    border-radius: 16px;
  }

  h1 {
    letter-spacing: -0.035em;
  }

  p {
    line-height: 1.6;
  }
}

@media (prefers-reduced-motion: reduce) {
  .enter-button {
    transition: none;
  }
}