:root {
  --landing-bg: radial-gradient(circle at top, #18234c 0%, #0a1024 42%, #070b18 100%);
  --landing-surface: #121931;
  --landing-surface-alt: #1b2442;
  --landing-outline: rgba(255, 255, 255, 0.08);
  --landing-accent: #ffbd3d;
  --landing-accent-alt: #ff6b3d;
  --landing-text: #f7f3ea;
  --landing-muted: #b9bfd3;
  --landing-shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  width: 100%;
  overflow-x: hidden;
}

body {
  margin: 0;
  width: 100%;
  overflow-x: hidden;
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
  background: var(--landing-bg);
  color: var(--landing-text);
}

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

button {
  border: 0;
  font: inherit;
  cursor: pointer;
}

img {
  display: block;
  max-width: 100%;
}

.app-shell {
  min-height: var(--landing-viewport-height, 100vh);
  width: var(--landing-viewport-width, 100%);
  max-width: 100%;
  overflow-x: hidden;
}

.loading-screen {
  min-height: var(--landing-viewport-height, 100vh);
  display: grid;
  place-items: center;
  gap: 1rem;
  text-align: center;
  color: var(--landing-text);
}

.loading-screen--error {
  padding: 2rem;
}

.loading-mark {
  width: 4.5rem;
  height: 4.5rem;
  border-radius: 1.4rem;
  background: linear-gradient(135deg, var(--landing-accent), var(--landing-accent-alt));
  box-shadow: var(--landing-shadow);
  position: relative;
}

.loading-mark::after {
  content: "";
  position: absolute;
  inset: 0.7rem;
  border-radius: 1rem;
  border: 2px solid rgba(255, 255, 255, 0.6);
}