:root {
  --night: #1a2f4a;
  --cloud: #6ec6f0;
  --cloud-dark: #4aa8d8;
  --calm: #b8d4c8;
  --warm: #e8a87c;
  --text: #2d3436;
  --bg: #f0f7fc;
  --sky-top: #7ec8e8;
  --white: #ffffff;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Nunito', 'Segoe UI', sans-serif;
  background: linear-gradient(180deg, var(--sky-top) 0%, var(--bg) 42%, #f7f6f3 100%);
  color: var(--text);
  line-height: 1.55;
}

/* Logo blok */
.brand-block { text-align: center; }
.mascot-wrap {
  display: inline-block;
  animation: bulti-float 4s ease-in-out infinite;
  text-align: center;
}
.mascot-wrap.huzur { animation: bulti-breathe 8s ease-in-out infinite; }
@keyframes bulti-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}
@keyframes bulti-breathe {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-4px) scale(1.03); }
}
.mascot-frame { width: min(200px, 52vw); margin: 0 auto; }
.mascot-img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: contain;
  filter: drop-shadow(0 8px 20px rgba(74, 168, 216, 0.3));
}
.wordmark {
  margin: 0.15rem 0 0;
  font-size: clamp(1.65rem, 6vw, 2rem);
  font-weight: 800;
  letter-spacing: 0.08em;
  line-height: 1.1;
  color: var(--white);
  -webkit-text-stroke: 2.5px #5eb8e8;
  paint-order: stroke fill;
  text-shadow: 0 2px 0 var(--cloud-dark), 0 4px 14px rgba(74, 168, 216, 0.35);
}
.tagline { margin-top: 0.4rem; color: var(--night); font-size: 0.85rem; }
.etc-badge {
  font-size: 0.65rem;
  color: #636e72;
  margin-top: 0.3rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

/* Butonlar */
.btn-primary {
  display: inline-block;
  background: var(--night);
  color: var(--white);
  text-decoration: none;
  border: none;
  border-radius: 28px;
  padding: 0.85rem 1.75rem;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 8px 24px rgba(26, 47, 74, 0.2);
  transition: transform 0.2s, box-shadow 0.2s;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(26, 47, 74, 0.25);
}
.btn-ghost {
  color: var(--night);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  opacity: 0.85;
}
.btn-ghost:hover { opacity: 1; }