/* ===== Variables de color ===== */
:root {
  --sage: #9CAF88;
  --sage-dark: #7A9568;
  --sage-light: #B5C5A5;
  --cream: #F5F0EB;
  --cream-dark: #E8E0D8;
  --beige: #D4C5B2;
  --earth: #8B7355;
  --earth-dark: #6B5740;
  --white-off: #FDFCFA;
  --text-dark: #3D3530;
  --text-light: #6B6259;
  --overlay: rgba(61, 53, 48, 0.6);
}

/* ===== Reset & Base ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: 'Montserrat', sans-serif;
  color: var(--text-dark);
  background-color: var(--white-off);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: 'Cormorant Garamond', serif;
}

/* ===== Navbar ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: transparent;
  transition: background 0.5s ease, box-shadow 0.5s ease;
}

.navbar.scrolled {
  background: rgba(253, 252, 250, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.navbar.scrolled {
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
}

/* Navbar logo sizing */
#navbar-inner {
  height: 64px;
  padding-top: 0;
  align-items: center;
}

#navbar-logo {
  height: 40px;
  opacity: 0;
  transform: translateX(-14px);
  transition: opacity 0.5s ease, transform 0.5s ease;
  filter: none;
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border-radius: 0;
  padding: 0;
}

.navbar.scrolled #navbar-inner {
  height: 64px;
  padding-top: 0;
  align-items: center;
}

.navbar.scrolled #navbar-logo {
  height: 40px;
  opacity: 1;
  transform: translateX(0);
  filter: none;
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  padding: 0;
}

.nav-link {
  position: relative;
  transition: color 0.3s ease;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--sage);
  transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-link.active {
  color: var(--sage-dark);
}

/* ===== Mobile Menu ===== */
.mobile-menu {
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.mobile-menu.open {
  transform: translateX(0);
}

.mobile-menu-overlay {
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
}

.mobile-menu-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

/* Hamburger animation */
.hamburger span {
  transition: all 0.3s ease;
}

.hamburger.open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.open span:nth-child(2) {
  opacity: 0;
}

.hamburger.open span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ===== Hero Section ===== */
.hero-gradient {
  background: linear-gradient(
    135deg,
    #9CAF88 0%,
    #B5C5A5 25%,
    #D4C5B2 50%,
    #E8E0D8 75%,
    #F5F0EB 100%
  );
}

.hero-overlay {
  background: linear-gradient(
    to bottom,
    rgba(61, 53, 48, 0.2) 0%,
    rgba(61, 53, 48, 0.42) 50%,
    rgba(61, 53, 48, 0.62) 100%
  );
}

/* ===== Countdown ===== */
.countdown-item {
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 12px;
  padding: 1rem 0.75rem;
  min-width: 70px;
  text-align: center;
  transition: transform 0.3s ease;
}

.countdown-item:hover {
  transform: translateY(-2px);
}

/* ===== Section Titles ===== */
.section-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: 2.5rem;
  font-weight: 500;
  color: var(--text-dark);
  text-align: center;
  margin-bottom: 0.5rem;
  letter-spacing: 0.02em;
}

.section-divider {
  width: 160px;
  height: 20px;
  background-image: url("../img/divider.svg");
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
  margin: 0.5rem auto 3rem;
}

/* ===== Programme Cards ===== */
.programme-card {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.programme-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.programme-card:nth-child(1) { transition-delay: 0s; }
.programme-card:nth-child(2) { transition-delay: 0.15s; }
.programme-card:nth-child(3) { transition-delay: 0.3s; }
.programme-card:nth-child(4) { transition-delay: 0.45s; }

.programme-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--sage);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.programme-card:hover .programme-icon {
  transform: scale(1.1);
  box-shadow: 0 4px 15px rgba(156, 175, 136, 0.4);
}

.programme-time {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--sage-dark);
  line-height: 1;
}

.programme-connector {
  width: 2px;
  height: 2rem;
  background: linear-gradient(to bottom, var(--sage-light), transparent);
  margin: 0 auto;
}

/* ===== Cards ===== */
.card {
  background: var(--white-off);
  border-radius: 16px;
  border: 1px solid var(--cream-dark);
  padding: 1.5rem;
  transition: transform 0.4s ease, box-shadow 0.4s ease;
  box-shadow: 0 4px 20px rgba(139, 115, 85, 0.05);
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 32px rgba(139, 115, 85, 0.12);
}

/* ===== Gallery ===== */
.gallery-item {
  border-radius: 12px;
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 1;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.gallery-item img {
  transition: filter 0.4s ease;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.gallery-item:hover {
  transform: scale(1.03);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.gallery-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.8);
}

/* ===== Lightbox ===== */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0, 0, 0, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.lightbox.open {
  opacity: 1;
  pointer-events: auto;
}

.lightbox-content {
  max-width: 90vw;
  max-height: 85vh;
  border-radius: 8px;
  transform: scale(0.9);
  transition: transform 0.3s ease;
}

.lightbox.open .lightbox-content {
  transform: scale(1);
}

.lightbox-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.15);
  border: none;
  border-radius: 50%;
  color: white;
  font-size: 1.5rem;
  cursor: pointer;
  transition: background 0.3s ease;
}

.lightbox-close:hover {
  background: rgba(255, 255, 255, 0.3);
}

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.15);
  border: none;
  border-radius: 50%;
  color: white;
  font-size: 1.25rem;
  cursor: pointer;
  transition: background 0.3s ease;
}

.lightbox-nav:hover {
  background: rgba(255, 255, 255, 0.3);
}

.lightbox-prev {
  left: 1rem;
}

.lightbox-next {
  right: 1rem;
}

/* ===== FAQ Accordion ===== */
.faq-item {
  border: 1px solid var(--cream-dark);
  border-radius: 12px;
  overflow: hidden;
  transition: border-color 0.3s ease;
}

.faq-item:hover {
  border-color: var(--sage-light);
}

.faq-question {
  width: 100%;
  padding: 1.25rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: none;
  border: none;
  cursor: pointer;
  font-family: 'Montserrat', sans-serif;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-dark);
  text-align: left;
  gap: 1rem;
}

.faq-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s ease;
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1),
              padding 0.35s ease;
}

.faq-item.open .faq-answer {
  max-height: 300px;
}

.faq-answer-inner {
  padding: 0 1.5rem 1.25rem;
  color: var(--text-light);
  font-size: 0.9rem;
  line-height: 1.7;
}

/* ===== WhatsApp Button ===== */
.whatsapp-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: #25D366;
  color: white;
  padding: 0.75rem 1.5rem;
  border-radius: 50px;
  font-weight: 500;
  text-decoration: none;
  transition: background 0.3s ease, transform 0.3s ease;
}

.whatsapp-btn:hover {
  background: #1DA851;
  transform: translateY(-2px);
}

/* ===== Footer ===== */
.footer {
  background: var(--text-dark);
  color: var(--cream);
}

/* ===== Animations ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Staggering para elementos en grids */
.grid.animate-on-scroll {
  opacity: 1 !important;
  transform: none !important;
}

.grid.animate-on-scroll > * {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.grid.animate-on-scroll.visible > * {
  opacity: 1;
  transform: translateY(0);
}

.grid.animate-on-scroll.visible > *:nth-child(1) { transition-delay: 0s; }
.grid.animate-on-scroll.visible > *:nth-child(2) { transition-delay: 0.15s; }
.grid.animate-on-scroll.visible > *:nth-child(3) { transition-delay: 0.3s; }
.grid.animate-on-scroll.visible > *:nth-child(4) { transition-delay: 0.45s; }
.grid.animate-on-scroll.visible > *:nth-child(5) { transition-delay: 0.6s; }
.grid.animate-on-scroll.visible > *:nth-child(6) { transition-delay: 0.75s; }

/* ===== Scroll to top ===== */
.scroll-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 44px;
  height: 44px;
  background: var(--sage);
  color: white;
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease, transform 0.3s ease, background 0.3s ease;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  z-index: 900;
}

.scroll-top.visible {
  opacity: 1;
  pointer-events: auto;
}

.scroll-top:hover {
  background: var(--sage-dark);
  transform: translateY(-2px);
}

/* ===== Utilities ===== */
.bg-cream { background-color: var(--cream); }
.bg-white-off { background-color: var(--white-off); }
.text-sage { color: var(--sage); }
.text-sage-dark { color: var(--sage-dark); }
.text-earth { color: var(--earth); }
.text-earth-dark { color: var(--earth-dark); }
.border-sage { border-color: var(--sage-light); }

/* ===== Custom Scrollbar ===== */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--cream);
}
::-webkit-scrollbar-thumb {
  background: var(--sage-dark);
  border-radius: 10px;
  border: 2px solid var(--cream);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--sage);
}

/* ===== Custom Text Selection ===== */
::selection {
  background: var(--sage-light);
  color: var(--text-dark);
}
::-moz-selection {
  background: var(--sage-light);
  color: var(--text-dark);
}

/* ===== Hero Initial Animations ===== */
.fade-in-hero {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUpHero 1s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}
.fade-in-hero.delay-1 { animation-delay: 0.2s; }
.fade-in-hero.delay-2 { animation-delay: 0.5s; }
.fade-in-hero.delay-3 { animation-delay: 0.8s; }

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