/* ===== Variáveis e reset ===== */
:root {
  --rosa-claro: #fce4ec;
  --rosa-medio: #f8bbd9;
  --rosa-acento: #f48fb1;
  --rosa-principal: #ec407a;
  --rosa-forte: #e91e63;
  --lilás: #e1bee7;
  --lilás-escuro: #ce93d8;
  --branco: #fce4ec;
  --branco-puro: #ffffff;
  --dourado: #d4af37;
  --dourado-suave: #e8d5b7;
  --texto-escuro: #4a4a4a;
  --texto-suave: #6d6d6d;
  --sombra-suave: 0 4px 20px rgba(244, 143, 177, 0.2);
  --sombra-hover: 0 8px 30px rgba(236, 64, 122, 0.3);
  --raio: 16px;
  --transicao: 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Poppins', sans-serif;
  background: linear-gradient(135deg, var(--rosa-medio) 0%, var(--rosa-claro) 30%, var(--rosa-acento) 60%, var(--rosa-medio) 100%);
  min-height: 100vh;
  color: var(--texto-escuro);
  line-height: 1.6;
}

/* ===== Header ===== */
.header {
  background: linear-gradient(90deg, rgba(248,187,217,0.9) 0%, rgba(244,143,177,0.5) 50%, rgba(248,187,217,0.7) 100%);
  backdrop-filter: blur(10px);
  padding: 1.25rem 1.5rem;
  text-align: center;
  border-bottom: 1px solid rgba(244, 143, 177, 0.4);
  box-shadow: 0 2px 15px rgba(244, 143, 177, 0.2);
}

.header-content {
  max-width: 1200px;
  margin: 0 auto;
}

.aniversariante {
  font-family: 'Playfair Display', serif;
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--texto-escuro);
  letter-spacing: 0.02em;
}

.data-aniversario {
  font-size: 0.95rem;
  color: var(--texto-suave);
  margin-top: 0.25rem;
  font-weight: 400;
}

/* ===== Hero ===== */
.hero {
  padding: 3rem 1.5rem 2.5rem;
  text-align: center;
}

.titulo {
  font-family: 'Playfair Display', serif;
  font-size: clamp(1.75rem, 5vw, 2.75rem);
  font-weight: 700;
  color: var(--rosa-forte);
  margin-bottom: 0.75rem;
  line-height: 1.3;
  text-shadow: 0 1px 2px rgba(233, 30, 99, 0.1);
}

.subtitulo {
  font-size: clamp(0.95rem, 2.5vw, 1.15rem);
  color: var(--texto-suave);
  font-weight: 400;
}

/* ===== Galeria ===== */
.galeria {
  padding: 0 1.5rem 4rem;
  max-width: 1200px;
  margin: 0 auto;
}

.grid-presentes {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.75rem;
  justify-items: center;
}

/* ===== Cards ===== */
.card {
  background: var(--branco-puro);
  border-radius: var(--raio);
  overflow: hidden;
  box-shadow: var(--sombra-suave);
  transition: transform var(--transicao), box-shadow var(--transicao);
  width: 100%;
  max-width: 320px;
  display: flex;
  flex-direction: column;
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--sombra-hover);
}

.card-imagem {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--rosa-claro);
}

.card-imagem img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transicao);
}

.card:hover .card-imagem img {
  transform: scale(1.05);
}

.card-conteudo {
  padding: 1.25rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.card-titulo {
  font-family: 'Playfair Display', serif;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--texto-escuro);
  line-height: 1.35;
}

.card-valor {
  font-size: 1rem;
  font-weight: 600;
  color: var(--dourado);
  margin-bottom: 0.25rem;
}

/* ===== Botão ===== */
.btn-reservar {
  margin-top: auto;
  padding: 0.75rem 1.25rem;
  font-family: 'Poppins', sans-serif;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--branco-puro);
  background: linear-gradient(135deg, var(--rosa-principal) 0%, var(--rosa-forte) 100%);
  border: none;
  border-radius: 12px;
  cursor: pointer;
  transition: transform var(--transicao), box-shadow var(--transicao), opacity var(--transicao);
  box-shadow: 0 4px 15px rgba(233, 30, 99, 0.4);
}

.btn-reservar:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(244, 143, 177, 0.5);
}

.btn-reservar:active:not(:disabled) {
  transform: translateY(0);
}

.btn-reservar:disabled {
  cursor: not-allowed;
  opacity: 0.9;
  background: linear-gradient(135deg, var(--rosa-medio) 0%, var(--lilás) 100%);
  box-shadow: none;
}

/* ===== Rodapé ===== */
.footer {
  padding: 1.5rem;
  text-align: center;
  background: rgba(248, 187, 217, 0.85);
  border-top: 1px solid rgba(244, 143, 177, 0.35);
  color: var(--rosa-forte);
  font-size: 0.9rem;
  font-weight: 500;
}

/* ===== Responsivo ===== */
@media (max-width: 640px) {
  .header {
    padding: 1rem 1rem;
  }

  .aniversariante {
    font-size: 1.5rem;
  }

  .hero {
    padding: 2rem 1rem 2rem;
  }

  .galeria {
    padding: 0 1rem 3rem;
  }

  .grid-presentes {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .card {
    max-width: 100%;
  }
}

@media (min-width: 641px) and (max-width: 900px) {
  .grid-presentes {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 901px) {
  .grid-presentes {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1200px) {
  .grid-presentes {
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
  }
}

/* ===== Flocos de neve ===== */
#flocos-neve {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
  overflow: hidden;
}

.floco {
  position: absolute;
  top: -20px;
  color: rgba(255, 255, 255, 0.85);
  font-size: 1rem;
  text-shadow: 0 0 3px rgba(255, 255, 255, 0.5);
  animation: floco-cair linear infinite;
  user-select: none;
}

.floco--rosa {
  color: rgba(255, 228, 236, 0.9);
}

@keyframes floco-cair {
  0% {
    transform: translateY(-10px) translateX(0) rotate(0deg);
  }
  25% {
    transform: translateY(25vh) translateX(8px) rotate(90deg);
  }
  50% {
    transform: translateY(50vh) translateX(-5px) rotate(180deg);
  }
  75% {
    transform: translateY(75vh) translateX(6px) rotate(270deg);
  }
  100% {
    transform: translateY(100vh) translateX(0) rotate(360deg);
  }
}