/* ============================================
   VARIABLES Y CONFIGURACIÓN GLOBAL
   ============================================ */
:root {
  /* Paleta de colores Voelkeep */
  --magenta-oscuro: #8B1E5A;
  --rosa-fuerte: #C94C7C;
  --rosa-medio: #E88BA0;
  --rosa-claro: #F7C1D0;
  --rosa-pastel: #FCE4EC;
  
  /* Colores auxiliares */
  --blanco: #FFFFFF;
  --gris-claro: #F5F5F5;
  --gris-medio: #E0E0E0;
  --texto-oscuro: #2C2C2C;
  --texto-gris: #666666;
  
  /* Sombras */
  --shadow-sm: 0 2px 10px rgba(139, 30, 90, 0.08);
  --shadow-md: 0 8px 30px rgba(139, 30, 90, 0.12);
  --shadow-lg: 0 12px 40px rgba(139, 30, 90, 0.18);
  --shadow-xl: 0 20px 60px rgba(139, 30, 90, 0.25);
  
  /* Transiciones */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* ============================================
   RESET Y ESTILOS BASE
   ============================================ */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  scroll-padding-top: 16px;
}

body {
  font-family: 'Montserrat', sans-serif;
  color: var(--texto-oscuro);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Playfair Display', serif;
  font-weight: 600;
  line-height: 1.2;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition-normal);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 16px;
}

/* ============================================
   BOTÓN FLOTANTE DE WHATSAPP
   ============================================ */
.whatsapp-float {
  position: fixed;
  bottom: max(16px, env(safe-area-inset-bottom));
  right: max(16px, env(safe-area-inset-right));
  background: #25D366;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  z-index: 1000;
  transition: all 0.3s ease;
  animation: pulse 2s infinite;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 30px rgba(37, 211, 102, 0.6);
}

.whatsapp-float:hover .whatsapp-tooltip {
  opacity: 1;
  visibility: visible;
  transform: translateX(-10px);
}

.whatsapp-tooltip {
  position: absolute;
  right: 70px;
  background: var(--texto-oscuro);
  color: var(--blanco);
  padding: 8px 15px;
  border-radius: 8px;
  font-size: 0.9rem;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  pointer-events: none;
}

.whatsapp-tooltip::after {
  content: '';
  position: absolute;
  right: -6px;
  top: 50%;
  transform: translateY(-50%);
  border-left: 6px solid var(--texto-oscuro);
  border-top: 6px solid transparent;
  border-bottom: 6px solid transparent;
}

@keyframes pulse {
  0%, 100% {
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  }
  50% {
    box-shadow: 0 4px 30px rgba(37, 211, 102, 0.7);
  }
}

/* ============================================
   HERO SECTION CON ANIMACIÓN 3D
   ============================================ */
.hero {
  position: relative;
  min-height: auto;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--magenta-oscuro) 0%, var(--rosa-fuerte) 50%, var(--rosa-medio) 100%);
  overflow: hidden;
  color: var(--blanco);
  padding-block: 32px;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  opacity: 0.3;
}

.circle {
  position: absolute;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,255,255,0.2) 0%, transparent 70%);
}

.circle-1 {
  width: 400px;
  height: 400px;
  top: -100px;
  right: -100px;
  animation: float 15s ease-in-out infinite;
}

.circle-2 {
  width: 300px;
  height: 300px;
  bottom: -50px;
  left: -50px;
  animation: float 20s ease-in-out infinite reverse;
}

.circle-3 {
  width: 200px;
  height: 200px;
  top: 50%;
  left: 30%;
  animation: float 25s ease-in-out infinite;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0) translateX(0);
  }
  50% {
    transform: translateY(-30px) translateX(20px);
  }
}

.hero-container {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  align-items: center;
  position: relative;
  z-index: 1;
  padding: 32px 16px;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  text-align: center;
}

.hero-badge {
  display: inline-block;
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  padding: 8px 16px;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  align-self: center;
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.hero h1 {
  font-size: clamp(2.5rem, 11vw, 3.5rem);
  font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: 10px;
  text-shadow: 2px 2px 20px rgba(0,0,0,0.3);
}

.hero-subtitle {
  font-size: clamp(1.15rem, 5vw, 1.45rem);
  font-weight: 300;
  opacity: 0.95;
  font-family: 'Montserrat', sans-serif;
}

.hero-description {
  max-width: 38rem;
  font-size: 1rem;
  opacity: 0.9;
  line-height: 1.7;
  font-family: 'Montserrat', sans-serif;
}

.cta-button {
  display: inline-flex;
  width: min(100%, 22rem);
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 14px 20px;
  background: var(--blanco);
  color: var(--magenta-oscuro);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 50px;
  transition: all 0.3s ease;
  box-shadow: 0 8px 30px rgba(0,0,0,0.2);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  align-self: center;
  text-align: center;
}

.cta-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.3);
  background: var(--rosa-pastel);
}


/* Banner Span  */
.fade-in {
  opacity: 0;
  animation: fadeIn 1s forwards;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}



/* ============================================
   ANIMACIÓN 3D DE LA GIFT CARD
   ============================================ */
.hero-card-container {
  display: flex;
  align-items: center;
  justify-content: center;
  perspective: 1000px;
  min-width: 0;
}

.giftcard-3d {
  position: relative;
  width: 100%;
  max-width: 360px;
  transform-style: preserve-3d;
  animation: none;
  filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.3));
}

@keyframes rotateCard {
  0%, 100% {
    transform: rotateY(-15deg) rotateX(10deg);
  }
  25% {
    transform: rotateY(5deg) rotateX(5deg);
  }
  50% {
    transform: rotateY(15deg) rotateX(-10deg);
  }
  75% {
    transform: rotateY(-5deg) rotateX(-5deg);
  }
}

.giftcard-image {
  width: 100%;
  height: auto;
  object-fit: contain;
  border-radius: 20px;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
  display: block;
}

/* ============================================
   ANIMACIONES FADE-IN
   ============================================ */
.fade-in {
  opacity: 0;
  animation: fadeIn 1s ease forwards;
}

.fade-in:nth-child(1) { animation-delay: 0.2s; }
.fade-in:nth-child(2) { animation-delay: 0.4s; }
.fade-in:nth-child(3) { animation-delay: 0.6s; }
.fade-in:nth-child(4) { animation-delay: 0.8s; }
.fade-in:nth-child(5) { animation-delay: 1s; }

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.scroll-reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease;
}

.scroll-reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   SECCIONES GENERALES
   ============================================ */
section {
  padding: 56px 0;
}

.section-title {
  font-size: clamp(1.9rem, 8vw, 2.6rem);
  text-align: center;
  margin-bottom: 16px;
  color: var(--magenta-oscuro);
  position: relative;
}

.section-title::after {
  content: '';
  display: block;
  width: 68px;
  height: 3px;
  background: linear-gradient(90deg, var(--rosa-fuerte), var(--rosa-medio));
  margin: 16px auto 0;
  border-radius: 2px;
}

.section-subtitle {
  text-align: center;
  font-size: 1rem;
  color: var(--texto-gris);
  line-height: 1.6;
  margin: 0 auto 30px;
  max-width: 42rem;
}

/* ============================================
   CÓMO FUNCIONA
   ============================================ */
.how-it-works {
  background: var(--gris-claro);
}

.steps-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}

.step-card {
  position: relative;
  background: var(--blanco);
  padding: 32px 22px;
  border-radius: 20px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.step-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
}

.step-number {
  position: absolute;
  top: -15px;
  left: 30px;
  width: 45px;
  height: 45px;
  background: linear-gradient(135deg, var(--rosa-fuerte), var(--rosa-medio));
  color: var(--blanco);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.3rem;
  box-shadow: 0 4px 15px rgba(201, 76, 124, 0.4);
}

.step-icon {
  font-size: 3rem;
  margin-bottom: 16px;
}

.step-card h3 {
  color: var(--magenta-oscuro);
  margin-bottom: 15px;
  font-size: 1.25rem;
}

.step-card p {
  color: var(--texto-gris);
  line-height: 1.7;
}

/* ============================================
   TRATAMIENTOS DISPONIBLES
   ============================================ */
.treatments-section {
  background: var(--blanco);
}

.treatments-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  margin-bottom: 36px;
}

.treatment-card {
  position: relative;
  background: linear-gradient(135deg, var(--rosa-pastel) 0%, var(--blanco) 100%);
  padding: 30px 22px;
  border-radius: 18px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  overflow: hidden;
}

.treatment-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 5px;
  background: linear-gradient(90deg, var(--magenta-oscuro), var(--rosa-fuerte), var(--rosa-medio));
}

.treatment-badge {
  position: absolute;
  top: 20px;
  right: -35px;
  background: var(--rosa-fuerte);
  color: var(--blanco);
  padding: 5px 40px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  transform: rotate(45deg);
  box-shadow: 0 2px 10px rgba(201, 76, 124, 0.3);
}

.treatment-icon {
  font-size: 3rem;
  margin-bottom: 20px;
  text-align: center;
}

.treatment-card h3 {
  color: var(--magenta-oscuro);
  font-size: 1.4rem;
  margin-bottom: 12px;
  text-align: center;
}

.treatment-name {
  color: var(--texto-gris);
  font-size: 1rem;
  text-align: center;
  margin-bottom: 20px;
  line-height: 1.6;
}

.treatment-benefits {
  list-style: none;
  margin-bottom: 22px;
}

.treatment-benefits li {
  padding: 9px 0;
  padding-left: 30px;
  position: relative;
  color: var(--texto-oscuro);
  font-size: 0.95rem;
}

.treatment-benefits li::before {
  content: "\2713";
  position: absolute;
  left: 0;
  color: var(--rosa-fuerte);
  font-weight: 700;
  font-size: 1.2rem;
  font-family: Arial, sans-serif;
}

.treatment-cta {
  min-height: 48px;
  display: block;
  text-align: center;
  padding: 14px 18px;
  background: linear-gradient(135deg, var(--magenta-oscuro), var(--rosa-fuerte));
  color: var(--blanco);
  border-radius: 50px;
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  transition: all var(--transition-normal);
}

.treatment-cta:hover {
  transform: scale(1.05);
  box-shadow: 0 8px 25px rgba(139, 30, 90, 0.3);
}

/* ============================================
   GIFT CARD PERSONALIZADA
   ============================================ */
.custom-giftcard {
  background: linear-gradient(135deg, var(--magenta-oscuro), var(--rosa-fuerte));
  padding: 34px 22px;
  border-radius: 20px;
  text-align: center;
  color: var(--blanco);
  box-shadow: var(--shadow-xl);
}

.custom-content h3 {
  font-size: 1.65rem;
  margin-bottom: 16px;
  color: var(--blanco);
}

.custom-content p {
  font-size: 1rem;
  margin-bottom: 12px;
  opacity: 0.95;
}

.custom-note {
  font-size: 0.95rem;
  font-style: italic;
  opacity: 0.85;
  margin-bottom: 22px;
}

.cta-button-secondary {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 14px 22px;
  background: var(--blanco);
  color: var(--magenta-oscuro);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 50px;
  transition: all var(--transition-normal);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  text-align: center;
}

.cta-button-secondary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(255, 255, 255, 0.3);
  background: var(--rosa-pastel);
}

/* ============================================
   BENEFICIOS DE REGALAR
   ============================================ */
.benefits-section {
  background: var(--gris-claro);
}

.benefits-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.benefit-item {
  text-align: center;
  padding: 26px 20px;
  background: var(--blanco);
  border-radius: 15px;
  transition: all var(--transition-normal);
}

.benefit-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.benefit-icon {
  font-size: 3rem;
  margin-bottom: 16px;
}

.benefit-item h3 {
  color: var(--magenta-oscuro);
  margin-bottom: 12px;
  font-size: 1.2rem;
}

.benefit-item p {
  color: var(--texto-gris);
  line-height: 1.7;
}

/* ============================================
   CTA FINAL
   ============================================ */
.final-cta {
  background: var(--blanco);
}

.cta-box {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  background: linear-gradient(135deg, var(--rosa-pastel) 0%, var(--rosa-claro) 100%);
  padding: 36px 22px;
  border-radius: 22px;
  box-shadow: var(--shadow-xl);
}

.cta-box h2 {
  font-size: clamp(1.8rem, 7vw, 2.4rem);
  color: var(--magenta-oscuro);
  margin-bottom: 20px;
}

.cta-box > p {
  font-size: 1rem;
  color: var(--texto-gris);
  margin-bottom: 24px;
}

.cta-button-large {
  display: inline-flex;
  width: min(100%, 22rem);
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 15px 20px;
  background: linear-gradient(135deg, var(--magenta-oscuro), var(--rosa-fuerte));
  color: var(--blanco);
  font-size: 0.95rem;
  font-weight: 700;
  border-radius: 50px;
  transition: all var(--transition-normal);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  box-shadow: 0 10px 30px rgba(139, 30, 90, 0.3);
}

.cta-button-large:hover {
  transform: translateY(-5px) scale(1.02);
  box-shadow: 0 15px 40px rgba(139, 30, 90, 0.4);
}

.cta-note {
  margin-top: 20px;
  font-size: 0.95rem;
  color: var(--texto-gris);
  font-style: italic;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: linear-gradient(135deg, var(--magenta-oscuro) 0%, #6B1545 100%);
  color: var(--blanco);
  padding: 44px 0 26px;
}

.footer-content {
  margin-bottom: 26px;
}

.footer-main {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  align-items: start;
}

.footer-brand h3 {
  font-size: 1.75rem;
  margin-bottom: 10px;
  letter-spacing: 2px;
  color: var(--blanco);
}

.footer-brand p {
  font-size: 0.95rem;
  opacity: 0.8;
  font-style: italic;
}

.footer-links {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
}

.footer-column h4 {
  font-size: 1.1rem;
  margin-bottom: 15px;
  color: var(--rosa-claro);
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
}

.footer-column ul {
  list-style: none;
}

.footer-column li {
  margin-bottom: 6px;
}

.footer-column a {
  color: var(--blanco);
  opacity: 0.8;
  display: inline-flex;
  min-height: 40px;
  align-items: center;
  font-size: 0.95rem;
  transition: var(--transition-fast);
}

.footer-column a:hover {
  opacity: 1;
  color: var(--rosa-claro);
  padding-left: 5px;
}

.footer-social {
  display: flex;
  gap: 15px;
  justify-content: flex-start;
}

.social-link {
  width: 45px;
  height: 45px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-normal);
  backdrop-filter: blur(10px);
}

.social-link:hover {
  background: var(--rosa-fuerte);
  transform: translateY(-5px) scale(1.1);
  box-shadow: 0 8px 20px rgba(255, 255, 255, 0.2);
}

.footer-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  margin: 22px 0;
}

.footer-bottom {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  padding-top: 16px;
}

.footer-copy {
  font-size: 0.9rem;
  opacity: 0.7;
}

.footer-credits {
  font-size: 0.9rem;
  opacity: 0.8;
  text-align: left;
}

.footer-credits strong {
  color: var(--rosa-claro);
  font-weight: 600;
}

@media (hover: hover) and (pointer: fine) {
  .treatment-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
  }
}

@media (min-width: 600px) {
  .container { padding-inline: 24px; }
  section { padding-block: 72px; }

  .hero-container { padding: 44px 24px; gap: 34px; }
  .hero h1 { font-size: clamp(3.4rem, 8vw, 5rem); }
  .hero-subtitle { font-size: clamp(1.3rem, 3vw, 1.7rem); }
  .hero-description { font-size: 1.08rem; }

  .section-title {
    font-size: clamp(2.2rem, 5vw, 2.8rem);
    margin-bottom: 20px;
  }

  .section-subtitle { font-size: 1.1rem; margin-bottom: 38px; }
  .steps-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
  .treatments-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
  .treatment-card { padding: 32px 24px; }
  .benefits-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
  .custom-giftcard { padding: 42px 32px; }
  .cta-box { padding: 46px 34px; }
  .cta-box h2 { font-size: clamp(2rem, 4vw, 2.8rem); }
  .cta-box > p { font-size: 1.1rem; }
  .cta-button-large { width: auto; padding-inline: 34px; font-size: 1rem; }
  .footer-links { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
}

@media (min-width: 900px) {
  section { padding-block: 84px; }

  .hero { min-height: 88vh; min-height: 88svh; }
  .hero-container {
    grid-template-columns: minmax(0, 1.1fr) minmax(300px, 0.9fr);
    gap: 44px;
    padding-block: 64px;
  }
  .hero-content { align-items: flex-start; text-align: left; gap: 22px; }
  .hero-badge, .cta-button { align-self: flex-start; }
  .hero h1 { font-size: clamp(3.5rem, 6vw, 5rem); }
  .hero-card-container { padding: 12px; }
  .giftcard-3d { max-width: 460px; animation: rotateCard 20s ease-in-out infinite; }
  .steps-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 22px; }
  .treatments-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 26px; }
  .benefits-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 22px; }
  .treatment-card { padding: 34px 26px; }

  .footer-main { grid-template-columns: minmax(0, 1fr) minmax(0, 2fr); gap: 36px; }
  .footer-links { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
}

@media (min-width: 1200px) {
  .hero-container { gap: 60px; }
  .giftcard-3d { max-width: 500px; }
  .treatments-grid { gap: 35px; }
  .footer-main { grid-template-columns: minmax(0, 1.5fr) minmax(0, 2fr) minmax(0, 1fr); gap: 50px; }
}

@media (max-width: 599px) {
  .whatsapp-tooltip { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: 0.01ms !important; }
  .scroll-reveal { opacity: 1; transform: none; }
}