:root {
  --bg: #f6f4ef;
  --bg-deep: #e8ebe3;
  --leaf-1: #7d9a6e;
  --leaf-2: #5c7a52;
  --leaf-stroke: rgba(92, 122, 82, 0.45);
  --text: #2c3330;
  --text-soft: #5a6560;
  --muted: #8a9590;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Noto Sans SC", system-ui, sans-serif;
  font-weight: 300;
  color: var(--text);
  background: linear-gradient(
    165deg,
    var(--bg) 0%,
    #eef1ea 42%,
    var(--bg-deep) 100%
  );
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1.5rem;
  position: relative;
  overflow-x: hidden;
}

/*  subtle botanical texture */
.bg-pattern {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.35;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='80' height='80' viewBox='0 0 80 80'%3E%3Cg fill='none' stroke='%235c7a52' stroke-width='0.35' opacity='0.25'%3E%3Cpath d='M40 5 Q55 25 40 45 Q25 25 40 5'/%3E%3Cpath d='M40 35 Q55 55 40 75 Q25 55 40 35'/%3E%3Cpath d='M10 40 Q30 25 50 40 Q30 55 10 40'/%3E%3Cpath d='M30 40 Q50 25 70 40 Q50 55 30 40'/%3E%3C/g%3E%3C/svg%3E");
  background-size: 80px 80px;
}

.bg-glow {
  position: fixed;
  width: min(90vw, 520px);
  height: min(90vw, 520px);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -48%);
  pointer-events: none;
  background: radial-gradient(
    ellipse at center,
    rgba(125, 154, 110, 0.12) 0%,
    transparent 65%
  );
}

.welcome {
  position: relative;
  text-align: center;
  max-width: 36rem;
  animation: fadeUp 1s ease-out both;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.brand-mark {
  margin-bottom: 1.25rem;
}

.leaf-emblem {
  width: 5rem;
  height: 5rem;
  filter: drop-shadow(0 8px 24px rgba(92, 122, 82, 0.2));
}

.title {
  font-family: "Noto Serif SC", "Songti SC", serif;
  font-weight: 600;
  font-size: clamp(2.25rem, 8vw, 3rem);
  letter-spacing: 0.35em;
  margin: 0 0 0.75rem;
  color: var(--text);
  text-indent: 0.35em;
}

.tagline {
  font-size: clamp(0.95rem, 2.8vw, 1.1rem);
  font-weight: 400;
  letter-spacing: 0.45em;
  color: var(--leaf-2);
  margin: 0 0 1.75rem;
  text-indent: 0.45em;
}

.intro {
  font-size: 1rem;
  line-height: 1.85;
  color: var(--text-soft);
  margin: 0 0 2rem;
}

.divider {
  width: 3rem;
  height: 1px;
  margin: 0 auto 1.5rem;
  background: linear-gradient(
    90deg,
    transparent,
    var(--leaf-stroke),
    transparent
  );
}

.footnote {
  font-size: 0.8125rem;
  letter-spacing: 0.12em;
  color: var(--muted);
  margin: 0;
}

@media (prefers-reduced-motion: reduce) {
  .welcome {
    animation: none;
  }
}