* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Josefin Sans", "Open Sans", Avenir, Helvetica, sans-serif;
  color: #3d2c2c;
  background: linear-gradient(165deg, #fff5f7 0%, #ffe8ee 35%, #fff9fb 70%, #f7f0ff 100%);
}

/* ── Password gate ── */

.gate {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.gate-card {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 182, 193, 0.4);
  border-radius: 24px;
  padding: 3rem 2.5rem;
  max-width: 380px;
  width: 100%;
  text-align: center;
  box-shadow: 0 8px 32px rgba(200, 120, 140, 0.15);
}

.gate-heart {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.08); }
}

.gate-card h1 {
  font-size: 1.4rem;
  font-weight: 300;
  letter-spacing: 0.04em;
  margin: 0 0 0.5rem;
  color: #5c3d4a;
}

.gate-card p {
  font-size: 0.85rem;
  color: #8a6b75;
  margin: 0 0 1.5rem;
  line-height: 1.5;
}

.gate-form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.gate-form input {
  padding: 0.85rem 1rem;
  border: 1px solid rgba(200, 140, 155, 0.5);
  border-radius: 12px;
  font-size: 1rem;
  font-family: inherit;
  text-align: center;
  letter-spacing: 0.15em;
  background: #fff;
  color: #3d2c2c;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.gate-form input:focus {
  border-color: #c9788c;
  box-shadow: 0 0 0 3px rgba(201, 120, 140, 0.15);
}

.gate-form button {
  padding: 0.85rem;
  border: none;
  border-radius: 12px;
  font-size: 0.95rem;
  font-family: inherit;
  letter-spacing: 0.06em;
  background: linear-gradient(135deg, #d4849a, #b86b82);
  color: #fff;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s;
}

.gate-form button:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(184, 107, 130, 0.35);
}

.gate-error {
  color: #b05060;
  font-size: 0.8rem;
  min-height: 1.2em;
  margin-top: 0.25rem;
}

.gate-card.shake {
  animation: shake 0.45s ease;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-8px); }
  40% { transform: translateX(8px); }
  60% { transform: translateX(-6px); }
  80% { transform: translateX(6px); }
}

/* ── Timeline page ── */

.timeline-page {
  display: none;
  padding: 3rem 1.5rem 5rem;
  max-width: 720px;
  margin: 0 auto;
}

.timeline-page.visible {
  display: block;
}

.timeline-header {
  text-align: center;
  margin-bottom: 3rem;
}

.timeline-header h1 {
  font-size: 2rem;
  font-weight: 300;
  letter-spacing: 0.06em;
  color: #5c3d4a;
  margin: 0 0 0.75rem;
}

.timeline-header p {
  font-size: 0.95rem;
  color: #8a6b75;
  line-height: 1.6;
  max-width: 480px;
  margin: 0 auto;
}

.timeline {
  position: relative;
  padding-left: 2rem;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(to bottom, #f0b8c8, #d4849a, #c4a8e0);
  border-radius: 2px;
}

.timeline-item {
  position: relative;
  margin-bottom: 2.25rem;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.timeline-item.revealed {
  opacity: 1;
  transform: translateY(0);
}

.timeline-item::before {
  content: "♥";
  position: absolute;
  left: -2rem;
  top: 0.15rem;
  width: 16px;
  height: 16px;
  font-size: 0.65rem;
  line-height: 16px;
  text-align: center;
  color: #fff;
  background: #d4849a;
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(212, 132, 154, 0.2);
  z-index: 1;
}

.timeline-item.highlight::before {
  background: #b86b82;
  box-shadow: 0 0 0 4px rgba(184, 107, 130, 0.25), 0 0 12px rgba(212, 132, 154, 0.4);
  animation: pulse 2s ease-in-out infinite;
}

.timeline-card {
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 182, 193, 0.35);
  border-radius: 16px;
  padding: 1.25rem 1.5rem;
  box-shadow: 0 4px 20px rgba(200, 120, 140, 0.08);
  transition: box-shadow 0.2s, transform 0.2s;
}

.timeline-card:hover {
  box-shadow: 0 6px 28px rgba(200, 120, 140, 0.14);
  transform: translateX(4px);
}

.timeline-when {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #b86b82;
  font-weight: 500;
  margin-bottom: 0.35rem;
}

.timeline-title {
  font-size: 1.05rem;
  font-weight: 400;
  color: #5c3d4a;
  margin: 0 0 0.5rem;
  letter-spacing: 0.02em;
}

.timeline-place {
  display: inline-block;
  font-size: 0.72rem;
  color: #9a7a85;
  background: rgba(212, 132, 154, 0.12);
  padding: 0.2rem 0.6rem;
  border-radius: 20px;
  margin-bottom: 0.6rem;
}

.timeline-text {
  font-size: 0.88rem;
  line-height: 1.65;
  color: #6b5058;
  margin: 0;
}

.timeline-footer {
  text-align: center;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(212, 132, 154, 0.2);
}

.timeline-footer p {
  font-size: 0.9rem;
  color: #8a6b75;
  font-style: italic;
  line-height: 1.6;
  margin: 0;
}

@media (max-width: 520px) {
  .timeline-page {
    padding: 2rem 1rem 4rem;
  }

  .timeline-header h1 {
    font-size: 1.5rem;
  }

  .timeline {
    padding-left: 1.75rem;
  }

  .timeline-item::before {
    left: -1.75rem;
  }
}