/* Volltreffer! – Das See-Duell · Splash Screen */
html, body { margin: 0; padding: 0; background: #0d2233; }
* { box-sizing: border-box; }
a { color: #f3d27a; text-decoration: none; }
a:hover { color: #ffe9ad; }

.splash {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 420px;
  overflow: hidden;
  background: #12354d;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
}

.splash__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 55%;
}

.splash__vignette {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(120% 85% at 50% 42%,
    rgba(255, 255, 255, 0.06) 0%,
    rgba(6, 26, 42, 0) 45%,
    rgba(6, 26, 42, 0.34) 100%);
}

.splash__content {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  padding: clamp(18px, 5vh, 54px) clamp(16px, 4vw, 64px) clamp(22px, 7vh, 72px);
}

/* --- Titel + Stein --- */
.splash__title-row {
  position: relative;
  width: 100%;
  max-width: 1080px;
  display: flex;
  justify-content: center;
  margin-top: clamp(56px, 12vh, 112px);
}

.title {
  position: relative;
  width: clamp(260px, 58vw, 900px);
  animation: title-float 7s ease-in-out infinite;
}

.title__image {
  display: block;
  width: 100%;
  height: auto;
  filter: drop-shadow(0 18px 26px rgba(8, 32, 50, 0.45));
}

/* Position relativ zum Titel, skaliert also mit ihm */
.title__stone {
  position: absolute;
  left: 75%;
  top: -27%;
  width: 20%;
  height: auto;
  animation: stone-float 5.4s ease-in-out infinite;
  filter: drop-shadow(0 14px 18px rgba(8, 32, 50, 0.4));
}

/* --- Start-Button --- */
.splash__actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(10px, 2.4vh, 22px);
}

.start-btn {
  position: relative;
  display: block;
  width: clamp(220px, 34vw, 460px);
  padding: 0;
  border: none;
  background: none;
  cursor: pointer;
  animation: btn-pulse 3.2s ease-in-out infinite;
  filter: drop-shadow(0 12px 18px rgba(8, 32, 50, 0.42));
  transition: filter 200ms ease;
}

.start-btn:hover { filter: drop-shadow(0 16px 22px rgba(8, 32, 50, 0.5)) brightness(1.06); }
.start-btn:active { filter: drop-shadow(0 6px 10px rgba(8, 32, 50, 0.5)) brightness(0.96); }
.start-btn:focus-visible { outline: 3px solid rgba(255, 255, 255, 0.85); outline-offset: 6px; border-radius: 14px; }

.start-btn__frame {
  position: relative;
  display: block;
  overflow: hidden;
  border-radius: 12px;
}

.start-btn__image {
  display: block;
  width: 100%;
  height: auto;
  pointer-events: none;
}

/* Lichtreflex – läuft nur innerhalb des Buttons */
.start-btn__glint {
  position: absolute;
  top: 6%;
  bottom: 6%;
  left: 0;
  width: 18%;
  pointer-events: none;
  filter: blur(5px);
  background: linear-gradient(90deg,
    rgba(255, 255, 255, 0) 0%,
    rgba(255, 255, 255, 0.8) 50%,
    rgba(255, 255, 255, 0) 100%);
  animation: glint 5.5s ease-in-out infinite;
}

.splash__tagline {
  font-size: clamp(11px, 1.15vw, 14px);
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.86);
  text-shadow: 0 2px 6px rgba(6, 26, 42, 0.6);
}

/* --- Animationen --- */
@keyframes stone-float {
  0%, 100% { transform: translate3d(0, 0, 0) rotate(-4deg); }
  50%      { transform: translate3d(6px, -12px, 0) rotate(3deg); }
}

@keyframes title-float {
  0%, 100% { transform: translateY(0) scale(1); }
  50%      { transform: translateY(-10px) scale(1.006); }
}

@keyframes btn-pulse {
  0%, 100% { transform: translateY(0) scale(1); }
  50%      { transform: translateY(-3px) scale(1.018); }
}

@keyframes glint {
  0%   { transform: translateX(0) skewX(-14deg); opacity: 0; }
  6%   { opacity: 0.7; }
  34%  { opacity: 0.7; }
  40%  { transform: translateX(455%) skewX(-14deg); opacity: 0; }
  100% { transform: translateX(455%) skewX(-14deg); opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .title, .title__stone, .start-btn, .start-btn__glint { animation: none; }
}

/* Hochformat / kleine Fenster */
@media (max-aspect-ratio: 3/4) {
  .title { width: clamp(240px, 82vw, 640px); }
  .splash__title-row { margin-top: clamp(48px, 14vh, 96px); }
}