/* ==========================================================================
   Funeraria Santa Bárbara - Estilos Premium Globales
   Arquitectura: BEM Puro, Optimizado para GPU
   Preparado para Integración Multi-Página PHP
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Variables CSS (Custom Properties)
   -------------------------------------------------------------------------- */
:root {
  /* Paleta Corporativa "Alta Costura Digital" */
  --c-primary: #1152d4;
  --c-primary-light: #eef4ff;
  --c-primary-dark: #0d3da3;
  --c-bg-light: #fdfbf7;
  --c-bg-dark: #101622;
  --c-surface-light: #ffffff;
  --c-surface-light-a90: rgba(255, 255, 255, 0.9);
  --c-surface-dark: #1a2332;
  --c-text-main: #111318;
  --c-text-subtle: #616f89;
  --c-accent-beige: #f3f0e9;
  --c-border-subtle: #f1f5f9;
  --c-white: #ffffff;

  /* Tipografía */
  --font-display: 'Playfair Display', Georgia, serif;
  /* Títulos grandes, elegancia */
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  /* Legibilidad, UI */

  /* Layout */
  --max-width-xl: 1280px;
  --max-width-lg: 1024px;
  --max-width-md: 800px;

  /* Transiciones Optimizadas GPU */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* --------------------------------------------------------------------------
   2. Reset & Base
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-body);
  line-height: 1.5;
  -webkit-text-size-adjust: 100%;
  color: var(--c-text-main);
  background-color: var(--c-bg-light);
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

ul,
ol {
  list-style: none;
}

button,
input,
select,
textarea {
  font: inherit;
  border: none;
  background: none;
}

button {
  cursor: pointer;
}

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

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
}

/* Scrollbar personalizada */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--c-border-subtle);
}

::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #94a3b8;
}

/* --------------------------------------------------------------------------
   3. Utilidades Estructurales (Mínimas)
   -------------------------------------------------------------------------- */
.container {
  max-width: var(--max-width-xl);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.container--sm {
  max-width: var(--max-width-md);
}

.italic {
  font-style: italic;
}

.text-primary {
  color: var(--c-primary);
}

.text-center {
  text-align: center;
}

.mt-auto {
  margin-top: auto;
}

.mb-2 {
  margin-bottom: 0.5rem;
}

.mb-4 {
  margin-bottom: 1rem;
}

.mb-8 {
  margin-bottom: 2rem;
}

.mb-12 {
  margin-bottom: 3rem;
}

.mt-12 {
  margin-top: 3rem;
}

.py-20 {
  padding-top: 5rem;
  padding-bottom: 5rem;
}

/* --------------------------------------------------------------------------
   4. Componentes Globales (Header & Footer)
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  width: 100%;
  background-color: var(--c-surface-light-a90);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--c-accent-beige);
  transition: box-shadow var(--transition-normal);
  will-change: transform;
  transform: translateZ(0);
  /* Acelera el pintado del layer sticky en GPU */
}

.site-header--scrolled {
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
  border-bottom-color: transparent;
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 5rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  background-color: rgba(17, 82, 212, 0.1);
  color: var(--c-primary);
  border-radius: 50%;
}

.brand__name {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--c-text-main);
  line-height: 1;
  letter-spacing: -0.025em;
}

.nav {
  display: none;
}

@media (min-width: 768px) {
  .nav {
    display: block;
  }
}

.nav__list {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav__link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--c-text-subtle);
  font-family: var(--font-body);
}

.nav__link:hover {
  color: var(--c-primary);
}

.nav__link--active {
  color: var(--c-primary);
  font-weight: 600;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  font-family: var(--font-body);
  border-radius: 9999px;
  padding: 0 1.5rem;
  height: 2.5rem;
  transition: all var(--transition-normal);
  will-change: transform, box-shadow, background-color;
  transform: translateZ(0);
}

.btn:active {
  transform: scale(0.98) translateZ(0);
}

.btn--primary {
  background-color: var(--c-primary);
  color: var(--c-white);
  box-shadow: 0 4px 6px -1px rgba(17, 82, 212, 0.2);
}

.btn--primary:hover {
  background-color: var(--c-primary-dark);
  box-shadow: 0 10px 15px -3px rgba(17, 82, 212, 0.3);
}

.btn--outline {
  background-color: transparent;
  color: var(--c-text-main);
  border: 1px solid var(--c-border-subtle);
}

.btn--outline:hover {
  border-color: var(--c-primary);
  color: var(--c-primary);
}

.btn--outline-light {
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--c-white);
  border: 1px solid rgba(255, 255, 255, 0.4);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.btn--outline-light:hover {
  background-color: rgba(255, 255, 255, 0.2);
}

.btn--large {
  height: 3.5rem;
  padding: 0 2.5rem;
  font-size: 1rem;
  border-radius: 0.5rem;
}

.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--c-text-subtle);
  padding: 0.5rem;
}

@media (min-width: 768px) {
  .btn-icon.mobile-only {
    display: none;
  }
}

/* Base Main Content */
.main-content {
  flex-grow: 1;
}

/* Footer */
.site-footer {
  background-color: var(--c-surface-dark);
  color: var(--c-white);
  padding: 4rem 0 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-bottom: 3rem;
}

@media (min-width: 768px) {
  .site-footer__grid {
    grid-template-columns: 2fr 1fr 1fr;
  }
}

.site-footer__brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
  color: var(--c-primary);
}

.site-footer__title {
  color: var(--c-white);
  font-family: var(--font-display);
  font-size: 1.5rem;
}

.site-footer__desc {
  color: #94a3b8;
  font-size: 0.875rem;
  max-width: 28rem;
}

.footer-nav__title {
  font-size: 1.125rem;
  margin-bottom: 1rem;
  color: var(--c-white);
  font-family: var(--font-body);
}

.footer-nav__list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-nav__item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: #94a3b8;
  font-size: 0.875rem;
}

.footer-nav__item a:hover {
  color: var(--c-primary);
}

.site-footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  font-size: 0.75rem;
  color: #64748b;
}

@media (min-width: 768px) {
  .site-footer__bottom {
    flex-direction: row;
    justify-content: space-between;
  }
}

.site-footer__links {
  display: flex;
  gap: 1rem;
}

.site-footer__links a:hover {
  color: var(--c-white);
}

/* Whatsapp Float */
.float-whatsapp {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.float-whatsapp__tooltip {
  background-color: var(--c-white);
  color: var(--c-text-main);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  opacity: 0;
  transform: translateX(10px) translateZ(0);
  transition: all var(--transition-normal);
  will-change: transform, opacity;
  display: none;
}

@media (min-width: 640px) {
  .float-whatsapp__tooltip {
    display: block;
  }
}

.float-whatsapp:hover .float-whatsapp__tooltip {
  opacity: 1;
  transform: translateX(0) translateZ(0);
}

.float-whatsapp__btn {
  background-color: #25D366;
  color: var(--c-white);
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 15px -3px rgba(37, 211, 102, 0.3);
  transition: transform var(--transition-normal);
  will-change: transform;
  transform: translateZ(0);
}

.float-whatsapp__btn:hover {
  background-color: #20bd5a;
  transform: scale(1.1) translateZ(0);
}

.float-whatsapp__btn svg {
  width: 2rem;
  height: 2rem;
  fill: currentColor;
}

/* --------------------------------------------------------------------------
   5. Vistas Específicas
   -------------------------------------------------------------------------- */

/* Hero Index */
.hero-index {
  position: relative;
  width: 100%;
  height: 85vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  text-align: center;
}

.hero-index__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-size: cover;
  background-position: center;
}

.hero-index__content {
  position: relative;
  z-index: 10;
  max-width: var(--max-width-md);
  margin: 0 auto;
  padding: 0 1.5rem;
  animation: fadeUpIn 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  will-change: opacity, transform;
}

.hero-index__badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  margin-bottom: 1.5rem;
  border-radius: 9999px;
  background-color: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: var(--c-white);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.hero-index__title {
  color: var(--c-white);
  font-size: clamp(2.25rem, 5vw, 4.5rem);
  margin-bottom: 1.5rem;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-index__desc {
  color: rgba(255, 255, 255, 0.9);
  font-size: clamp(1.125rem, 2vw, 1.25rem);
  max-width: 42rem;
  margin: 0 auto 2.5rem;
  line-height: 1.6;
}

.hero-index__actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

@media (min-width: 640px) {
  .hero-index__actions {
    flex-direction: row;
    justify-content: center;
  }
}

.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  color: rgba(255, 255, 255, 0.7);
  animation: bounce 2s infinite;
  transform: translateX(-50%) translateZ(0);
  will-change: transform;
}

/* About Us Index */
.about {
  padding: 6rem 0;
  background-color: var(--c-bg-light);
  position: relative;
  overflow: hidden;
}

.about__decor {
  position: absolute;
  background-color: rgba(232, 228, 220, 0.3);
  border-radius: 50%;
  filter: blur(64px);
  z-index: 0;
  transform: translateZ(0);
}

.about__decor--top {
  top: 0;
  left: 0;
  width: 16rem;
  height: 16rem;
  transform: translate(-50%, -50%);
}

.about__decor--bottom {
  bottom: 0;
  right: 0;
  width: 24rem;
  height: 24rem;
  transform: translate(33%, 33%);
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
  position: relative;
  z-index: 10;
}

.section-header__badge {
  color: var(--c-primary);
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  background-color: var(--c-primary-light);
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  display: inline-block;
  margin-bottom: 1rem;
}

.section-header__title {
  font-size: clamp(1.875rem, 4vw, 3rem);
  color: var(--c-text-main);
  margin-bottom: 1rem;
}

.section-header__line {
  width: 4rem;
  height: 4px;
  background-color: rgba(17, 82, 212, 0.3);
  margin: 0 auto 1.5rem;
  border-radius: 999px;
}

.section-header__desc {
  font-size: 1.125rem;
  color: var(--c-text-subtle);
  max-width: 48rem;
  margin: 0 auto;
}

.values-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  position: relative;
  z-index: 10;
}

@media (min-width: 768px) {
  .values-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.value-card {
  padding: 2rem;
  border-radius: 1rem;
  background-color: var(--c-surface-light);
  border: 1px solid var(--c-border-subtle);
  transition: all var(--transition-normal);
  will-change: transform, box-shadow, border-color;
  transform: translate3d(0, 0, 0);
}

.value-card:hover {
  border-color: rgba(17, 82, 212, 0.3);
  box-shadow: 0 20px 25px -5px rgba(17, 82, 212, 0.05);
  transform: translate3d(0, -4px, 0);
}

.value-card__icon {
  width: 3rem;
  height: 3rem;
  background-color: var(--c-primary-light);
  color: var(--c-primary);
  border-radius: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  transition: all var(--transition-normal);
}

.value-card:hover .value-card__icon {
  background-color: var(--c-primary);
  color: var(--c-white);
}

/* Modulares Formularios para PHP */
.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--c-text-subtle);
  margin-bottom: 0.5rem;
}

.form-input {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: 0.5rem;
  border: 1px solid var(--c-border-subtle);
  background-color: var(--c-bg-light);
  color: var(--c-text-main);
  transition: border-color var(--transition-fast);
  font-family: var(--font-body);
}

.form-input:focus {
  outline: none;
  border-color: var(--c-primary);
  box-shadow: 0 0 0 3px rgba(17, 82, 212, 0.1);
}

/* Homenajes Grid */
.tributes-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 640px) {
  .tributes-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .tributes-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.tribute-card {
  background-color: var(--c-surface-light);
  border-radius: 1rem;
  border: 1px solid var(--c-border-subtle);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  transition: box-shadow var(--transition-normal);
  will-change: box-shadow;
}

.tribute-card:hover {
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.05);
}

.tribute-card__avatar {
  width: 6rem;
  height: 6rem;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid var(--c-bg-light);
  margin-bottom: 1rem;
  transition: border-color var(--transition-normal);
}

.tribute-card:hover .tribute-card__avatar {
  border-color: rgba(17, 82, 212, 0.2);
}

.tribute-card__name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.125rem;
  color: var(--c-text-main);
}

.tribute-card__dates {
  font-size: 0.75rem;
  color: #94a3b8;
  margin-bottom: 1rem;
  letter-spacing: 0.05em;
}

/* Planes Exequiales */
.plans-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 768px) {
  .plans-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.plan-card {
  background-color: var(--c-surface-light);
  border-radius: 1rem;
  border: 1px solid var(--c-border-subtle);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
  will-change: transform, box-shadow;
  transform: translateZ(0);
}

.plan-card:hover {
  border-color: rgba(17, 82, 212, 0.4);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.05);
}

.plan-card--featured {
  border-color: var(--c-primary);
  box-shadow: 0 20px 25px -5px rgba(17, 82, 212, 0.1);
  position: relative;
}

@media (min-width: 768px) {
  .plan-card--featured {
    transform: translateY(-1rem);
  }

  .plan-card--featured:hover {
    transform: translateY(-1.25rem);
  }
}

.plan-card__badge {
  position: absolute;
  top: 0;
  right: 0;
  background-color: var(--c-primary);
  color: var(--c-white);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.75rem;
  border-bottom-left-radius: 0.5rem;
  border-top-right-radius: 1rem;
}

/* FAQ Accordion Details */
.faq-details {
  background-color: var(--c-surface-light);
  border-radius: 0.75rem;
  border: 1px solid var(--c-border-subtle);
  overflow: hidden;
  margin-bottom: 1rem;
  transition: box-shadow var(--transition-normal);
}

.faq-details:hover {
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.faq-details>summary {
  list-style: none;
  cursor: pointer;
  padding: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-weight: 600;
  color: var(--c-text-main);
}

.faq-details>summary::-webkit-details-marker {
  display: none;
}

.faq-details__icon {
  color: var(--c-primary);
  transition: transform var(--transition-normal);
}

.faq-details[open] .faq-details__icon {
  transform: rotate(180deg);
}

.faq-details__content {
  padding: 0 1.5rem 1.5rem;
  color: var(--c-text-subtle);
  line-height: 1.6;
}

/* Animations Variables */
@keyframes bounce {

  0%,
  100% {
    transform: translateX(-50%) translateY(0) translateZ(0);
    animation-timing-function: cubic-bezier(0.8, 0, 1, 1);
  }

  50% {
    transform: translateX(-50%) translateY(25%) translateZ(0);
    animation-timing-function: cubic-bezier(0, 0, 0.2, 1);
  }
}

@keyframes fadeUpIn {
  from {
    opacity: 0;
    transform: translate3d(0, 2rem, 0);
  }

  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}