/* ============================================
   CHÙA HỒNG ĐỨC - Main Stylesheet
   chuahongduc.online
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
  --primary: #6B1D0E;
  --primary-dark: #4A1209;
  --primary-light: #8B2E1A;
  --gold: #C9A84C;
  --gold-light: #E8D48B;
  --gold-dark: #A08030;
  --bg-cream: #FBF7F0;
  --bg-white: #FFFFFF;
  --text-dark: #2D1810;
  --text-medium: #5A3D2E;
  --text-light: #8C7060;
  --border: #E8DFD5;
  --shadow-sm: 0 2px 8px rgba(45,24,16,0.08);
  --shadow-md: 0 4px 20px rgba(45,24,16,0.12);
  --shadow-lg: 0 8px 40px rgba(45,24,16,0.16);
  --radius: 12px;
  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
  --header-h: 72px;
}

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Inter', sans-serif;
  color: var(--text-dark);
  background: var(--bg-cream);
  line-height: 1.7;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: color var(--transition); }
ul { list-style: none; }
h1,h2,h3,h4,h5 { font-family: 'Playfair Display', serif; line-height: 1.3; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* --- Lotus Divider --- */
.lotus-divider {
  display: flex; align-items: center; justify-content: center;
  gap: 16px; margin: 12px 0;
}
.lotus-divider::before, .lotus-divider::after {
  content: ''; height: 1px; width: 60px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}
.lotus-divider svg { width: 28px; height: 28px; fill: var(--gold); }

/* --- Section Header --- */
.section-title {
  text-align: center; margin-bottom: 48px;
}
.section-title h2 {
  font-size: 2rem; color: var(--primary);
  position: relative; display: inline-block;
}
.section-title p {
  color: var(--text-light); margin-top: 8px; font-size: 1rem;
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: transparent;
  transition: background var(--transition), box-shadow var(--transition);
}
.header.scrolled {
  background: rgba(74,18,9,0.95);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-md);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: var(--header-h); padding: 0 24px; max-width: 1300px; margin: 0 auto;
}
.logo {
  display: flex; align-items: center; gap: 12px;
}
.logo-icon {
  width: 44px; height: 44px; border-radius: 50%;
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; box-shadow: 0 2px 8px rgba(201,168,76,0.3);
}
.logo-text h1 {
  font-size: 1.25rem; color: var(--gold-light);
  font-family: 'Playfair Display', serif; letter-spacing: 1px;
}
.logo-text span {
  font-size: 0.7rem; color: rgba(232,212,139,0.7);
  letter-spacing: 2px; text-transform: uppercase;
}

/* Desktop Nav */
.nav-menu {
  display: flex; gap: 4px;
}
.nav-menu a {
  padding: 8px 16px; border-radius: 8px;
  font-size: 0.88rem; font-weight: 500;
  color: rgba(255,255,255,0.85);
  transition: all var(--transition); position: relative;
}
.nav-menu a:hover, .nav-menu a.active {
  color: var(--gold-light);
  background: rgba(255,255,255,0.08);
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 8px;
}
.menu-toggle span {
  width: 24px; height: 2px; background: var(--gold-light);
  border-radius: 2px; transition: all var(--transition);
}
.menu-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  position: relative; height: 100vh; min-height: 600px;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0; z-index: 0;
}
.hero-bg img {
  width: 100%; height: 100%; object-fit: cover;
  transform: scale(1.05);
  animation: heroZoom 20s ease-in-out infinite alternate;
}
@keyframes heroZoom {
  from { transform: scale(1); }
  to { transform: scale(1.08); }
}
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(74,18,9,0.4) 0%,
    rgba(74,18,9,0.6) 50%,
    rgba(74,18,9,0.85) 100%
  );
}
.hero-content {
  position: relative; z-index: 1; text-align: center;
  color: #fff; padding: 20px;
  animation: fadeInUp 1.2s ease-out;
}
.hero-content h2 {
  font-size: 3.5rem; letter-spacing: 4px;
  background: linear-gradient(135deg, var(--gold-light), var(--gold), var(--gold-light));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text; text-shadow: none;
  margin-bottom: 8px;
}
.hero-content .hero-sub {
  font-size: 1.15rem; color: rgba(232,212,139,0.85);
  letter-spacing: 3px; text-transform: uppercase;
  margin-bottom: 16px;
}
.hero-content .hero-addr {
  font-size: 0.95rem; color: rgba(255,255,255,0.7);
  margin-top: 4px;
}
.hero-scroll {
  position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%);
  z-index: 2; animation: bounce 2s infinite;
  color: var(--gold-light); font-size: 0.8rem;
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  opacity: 0.7;
}
.hero-scroll span { letter-spacing: 2px; text-transform: uppercase; }
.hero-scroll svg { width: 20px; height: 20px; stroke: var(--gold-light); }
@keyframes bounce {
  0%,100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ============================================
   NOTICE / ANNOUNCEMENT BAR
   ============================================ */
.notice-bar {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff; padding: 16px 0;
  border-bottom: 2px solid var(--gold);
}
.notice-bar .container {
  display: flex; align-items: center; gap: 16px;
}
.notice-badge {
  background: var(--gold); color: var(--primary-dark);
  padding: 4px 14px; border-radius: 20px;
  font-size: 0.78rem; font-weight: 700;
  white-space: nowrap; text-transform: uppercase; letter-spacing: 1px;
}
.notice-text {
  font-size: 0.92rem; line-height: 1.5;
  flex: 1;
}
.notice-text strong { color: var(--gold-light); }

/* ============================================
   ABOUT SECTION
   ============================================ */
.about { padding: 80px 0; background: var(--bg-white); }
.about-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 48px; align-items: center;
}
.about-image {
  border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow-lg); position: relative;
}
.about-image img {
  width: 100%; height: 400px; object-fit: cover;
  transition: transform 0.6s ease;
}
.about-image:hover img { transform: scale(1.03); }
.about-image::after {
  content: ''; position: absolute; inset: 0;
  border: 2px solid var(--gold); border-radius: var(--radius);
  transform: translate(12px,12px); z-index: -1;
}
.about-text h2 {
  font-size: 2rem; color: var(--primary); margin-bottom: 16px;
}
.about-text p {
  color: var(--text-medium); margin-bottom: 16px; font-size: 0.95rem;
}
.about-text .highlight {
  display: flex; gap: 24px; margin-top: 24px;
}
.about-text .highlight-item {
  text-align: center; flex: 1;
  padding: 16px; border-radius: var(--radius);
  background: var(--bg-cream); border: 1px solid var(--border);
}
.highlight-item .icon { font-size: 1.8rem; margin-bottom: 8px; }
.highlight-item h4 {
  font-size: 0.85rem; color: var(--primary);
  font-family: 'Inter', sans-serif; font-weight: 600;
}

/* ============================================
   SCHEDULE SECTION
   ============================================ */
.schedule { padding: 80px 0; background: var(--bg-cream); }
.schedule-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.schedule-card {
  background: var(--bg-white); border-radius: var(--radius);
  padding: 32px 24px; box-shadow: var(--shadow-sm);
  border-top: 3px solid var(--gold);
  transition: all var(--transition);
}
.schedule-card:hover {
  transform: translateY(-4px); box-shadow: var(--shadow-md);
}
.schedule-card .card-icon {
  width: 48px; height: 48px; border-radius: 12px;
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; margin-bottom: 16px;
}
.schedule-card h3 {
  font-size: 1.15rem; color: var(--primary); margin-bottom: 16px;
}
.schedule-card ul li {
  padding: 8px 0; border-bottom: 1px dashed var(--border);
  font-size: 0.88rem; color: var(--text-medium);
  display: flex; align-items: flex-start; gap: 8px;
}
.schedule-card ul li:last-child { border-bottom: none; }
.schedule-card ul li .time {
  font-weight: 700; color: var(--primary);
  min-width: 50px; white-space: nowrap;
}

/* ============================================
   NEWS / PHẬT SỰ SECTION
   ============================================ */
.news { padding: 80px 0; background: var(--bg-white); }
.news-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.news-card {
  background: var(--bg-white); border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow-sm);
  transition: all var(--transition); border: 1px solid var(--border);
}
.news-card:hover {
  transform: translateY(-6px); box-shadow: var(--shadow-lg);
}
.news-card .card-img {
  height: 200px; overflow: hidden; position: relative;
}
.news-card .card-img img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.6s ease;
}
.news-card:hover .card-img img { transform: scale(1.08); }
.news-card .card-date {
  position: absolute; bottom: 12px; left: 12px;
  background: var(--primary); color: var(--gold-light);
  padding: 4px 12px; border-radius: 6px;
  font-size: 0.75rem; font-weight: 600;
}
.news-card .card-body { padding: 20px; }
.news-card .card-tag {
  display: inline-block; background: rgba(107,29,14,0.08);
  color: var(--primary); padding: 3px 10px; border-radius: 4px;
  font-size: 0.72rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.5px; margin-bottom: 10px;
}
.news-card h3 {
  font-size: 1.05rem; color: var(--text-dark); margin-bottom: 8px;
  line-height: 1.4;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-card p {
  font-size: 0.85rem; color: var(--text-light); line-height: 1.6;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-card .read-more {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--gold-dark); font-weight: 600; font-size: 0.85rem;
  margin-top: 12px; transition: gap var(--transition);
}
.news-card:hover .read-more { gap: 10px; color: var(--primary); }

/* ============================================
   DHARMA TALKS / PHÁP THOẠI
   ============================================ */
.dharma { padding: 80px 0; background: var(--bg-cream); }
.dharma-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px;
}
.dharma-card {
  display: flex; gap: 20px; background: var(--bg-white);
  border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow-sm); border: 1px solid var(--border);
  transition: all var(--transition); padding: 0;
}
.dharma-card:hover {
  transform: translateY(-4px); box-shadow: var(--shadow-md);
}
.dharma-card .card-thumb {
  width: 160px; min-height: 140px; flex-shrink: 0; overflow: hidden;
}
.dharma-card .card-thumb img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.6s ease;
}
.dharma-card:hover .card-thumb img { transform: scale(1.06); }
.dharma-card .card-info {
  padding: 20px 20px 20px 0; display: flex;
  flex-direction: column; justify-content: center;
}
.dharma-card .card-info h3 {
  font-size: 1rem; color: var(--text-dark); margin-bottom: 6px;
  line-height: 1.4;
}
.dharma-card .card-info p {
  font-size: 0.83rem; color: var(--text-light); line-height: 1.5;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
  overflow: hidden;
}
.dharma-card .card-info .speaker {
  font-size: 0.78rem; color: var(--gold-dark); font-weight: 600;
  margin-top: 8px;
}

/* ============================================
   GALLERY SECTION
   ============================================ */
.gallery { padding: 80px 0; background: var(--bg-white); }
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: 220px;
  gap: 16px;
}
.gallery-grid .g-item:nth-child(1) {
  grid-column: span 2; grid-row: span 2;
}
.g-item {
  border-radius: var(--radius); overflow: hidden;
  position: relative; cursor: pointer;
}
.g-item img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.6s ease;
}
.g-item:hover img { transform: scale(1.06); }
.g-item .g-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(74,18,9,0.7), transparent);
  opacity: 0; transition: opacity var(--transition);
  display: flex; align-items: flex-end; padding: 16px;
}
.g-item:hover .g-overlay { opacity: 1; }
.g-overlay span {
  color: #fff; font-size: 0.85rem; font-weight: 500;
}

/* ============================================
   CONTACT / MAP SECTION
   ============================================ */
.contact { padding: 80px 0; background: var(--bg-cream); }
.contact-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 40px;
}
.contact-info { display: flex; flex-direction: column; gap: 24px; }
.contact-item {
  display: flex; gap: 16px; align-items: flex-start;
}
.contact-item .c-icon {
  width: 48px; height: 48px; border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; flex-shrink: 0;
}
.contact-item h4 {
  font-size: 0.95rem; color: var(--primary);
  font-family: 'Inter', sans-serif; font-weight: 600;
  margin-bottom: 4px;
}
.contact-item p {
  font-size: 0.88rem; color: var(--text-medium); line-height: 1.5;
}
.map-wrapper {
  border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow-md); height: 400px;
}
.map-wrapper iframe {
  width: 100%; height: 100%; border: 0;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  color: rgba(255,255,255,0.8); padding: 48px 0 0;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px;
  padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-about h3 {
  color: var(--gold-light); font-size: 1.2rem; margin-bottom: 12px;
}
.footer-about p {
  font-size: 0.85rem; line-height: 1.7; opacity: 0.8;
}
.footer-links h4, .footer-schedule h4 {
  color: var(--gold-light); font-size: 0.95rem; margin-bottom: 16px;
  font-family: 'Inter', sans-serif; font-weight: 600;
}
.footer-links ul li { margin-bottom: 8px; }
.footer-links ul li a {
  font-size: 0.85rem; opacity: 0.7;
  transition: opacity var(--transition), padding-left var(--transition);
}
.footer-links ul li a:hover { opacity: 1; padding-left: 6px; color: var(--gold-light); }
.footer-schedule p {
  font-size: 0.83rem; opacity: 0.7; margin-bottom: 6px;
}
.footer-bottom {
  text-align: center; padding: 20px 0;
  font-size: 0.78rem; opacity: 0.5;
}
.footer-bottom a { color: var(--gold-light); }

/* ============================================
   LIGHTBOX
   ============================================ */
.lightbox {
  position: fixed; inset: 0; z-index: 9999;
  background: rgba(0,0,0,0.92);
  display: none; align-items: center; justify-content: center;
  opacity: 0; transition: opacity 0.3s ease;
}
.lightbox.active { display: flex; opacity: 1; }
.lightbox img {
  max-width: 90vw; max-height: 85vh;
  border-radius: 8px; box-shadow: 0 0 40px rgba(0,0,0,0.5);
}
.lightbox-close {
  position: absolute; top: 24px; right: 24px;
  width: 44px; height: 44px; border-radius: 50%;
  background: rgba(255,255,255,0.15);
  border: none; cursor: pointer;
  color: #fff; font-size: 1.5rem;
  display: flex; align-items: center; justify-content: center;
  transition: background var(--transition);
}
.lightbox-close:hover { background: rgba(255,255,255,0.3); }

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
.reveal {
  opacity: 0; transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.reveal.visible {
  opacity: 1; transform: translateY(0);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .schedule-grid { grid-template-columns: repeat(2, 1fr); }
  .news-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  :root { --header-h: 64px; }
  .nav-menu {
    position: fixed; top: 0; right: -100%;
    width: 280px; height: 100vh;
    background: var(--primary-dark);
    flex-direction: column; padding: 80px 24px 24px;
    transition: right var(--transition);
    box-shadow: -4px 0 20px rgba(0,0,0,0.3);
  }
  .nav-menu.open { right: 0; }
  .nav-menu a { padding: 12px 16px; font-size: 1rem; width: 100%; }
  .menu-toggle { display: flex; }

  .hero-content h2 { font-size: 2.2rem; letter-spacing: 2px; }
  .hero-content .hero-sub { font-size: 0.9rem; }

  .schedule-grid,
  .news-grid,
  .dharma-grid { grid-template-columns: 1fr; }

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    grid-auto-rows: 160px;
  }
  .gallery-grid .g-item:nth-child(1) {
    grid-column: span 2; grid-row: span 1;
  }

  .footer-grid { grid-template-columns: 1fr; }

  .notice-bar .container { flex-direction: column; gap: 8px; }
}

@media (max-width: 480px) {
  .hero-content h2 { font-size: 1.7rem; }
  .gallery-grid { grid-template-columns: 1fr; }
  .gallery-grid .g-item:nth-child(1) { grid-column: span 1; }
  .about-text .highlight { flex-direction: column; }
  .dharma-card { flex-direction: column; }
  .dharma-card .card-thumb { width: 100%; min-height: 160px; }
  .dharma-card .card-info { padding: 16px; }
}