/* ==========================================
   MAHA GHOSANANDA — SHARED STYLES
   A Journey from Suffering to Peace
   ========================================== */

/* --- CSS Variables / Design Tokens --- */
:root {
  /* Color Palette — Soft earth tones */
  --color-bg: #f5f0e8;
  --color-bg-dark: #1a1710;
  --color-bg-deep: #0d0b07;
  --color-sand: #e8dfd0;
  --color-sand-light: #f2ede4;
  --color-saffron: #c4956a;
  --color-saffron-muted: #b8956e;
  --color-saffron-deep: #a07040;
  --color-warm-grey: #8a8279;
  --color-warm-grey-light: #b5ada5;
  --color-text: #2c2820;
  --color-text-light: #5a5349;
  --color-text-on-dark: #e8dfd0;
  --color-white: #fffdf8;
  --color-overlay: rgba(13, 11, 7, 0.55);
  --color-overlay-light: rgba(13, 11, 7, 0.3);

  /* Typography */
  --font-serif: 'Playfair Display', 'Georgia', serif;
  --font-sans: 'Inter', 'Helvetica Neue', sans-serif;
  --font-display: 'Cormorant Garamond', 'Playfair Display', serif;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;
  --space-2xl: 10rem;

  /* Transitions */
  --ease-gentle: cubic-bezier(0.25, 0.1, 0.25, 1);
  --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.8s var(--ease-gentle);
  --transition-medium: 0.5s var(--ease-gentle);
  --transition-fast: 0.3s var(--ease-smooth);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.7;
  overflow-x: hidden;
  min-height: 100vh;
}

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

a {
  color: var(--color-saffron-deep);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-saffron);
}

ul, ol {
  list-style: none;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: 1.2;
  color: var(--color-text);
}

h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 300;
  letter-spacing: -0.02em;
}

h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 300;
  letter-spacing: -0.01em;
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
}

h4 {
  font-size: clamp(1.2rem, 2vw, 1.6rem);
}

p {
  font-size: clamp(1rem, 1.2vw, 1.15rem);
  line-height: 1.8;
  color: var(--color-text-light);
  max-width: 65ch;
}

blockquote {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3vw, 2.2rem);
  font-style: italic;
  color: var(--color-saffron-deep);
  line-height: 1.5;
  padding-left: var(--space-md);
  border-left: 2px solid var(--color-saffron-muted);
  max-width: 50ch;
}

.text-center { text-align: center; }
.text-light { color: var(--color-text-on-dark); }

/* --- Layout Utilities --- */
.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-sm);
}

.container-narrow {
  width: 85%;
  max-width: 800px;
  margin: 0 auto;
  padding: 0 var(--space-sm);
}

.section {
  padding: var(--space-xl) 0;
}

.section-large {
  padding: var(--space-2xl) 0;
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--space-sm) 0;
  transition: all var(--transition-medium);
}

.nav.scrolled {
  background: rgba(245, 240, 232, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 rgba(0,0,0,0.05);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 92%;
  max-width: 1400px;
  margin: 0 auto;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: var(--color-text);
  letter-spacing: 0.05em;
  font-weight: 400;
  transition: color var(--transition-fast);
}

.nav.on-dark .nav-logo {
  color: var(--color-text-on-dark);
}

.nav-links {
  display: flex;
  gap: var(--space-md);
  align-items: center;
}

.nav-links a {
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-warm-grey);
  transition: color var(--transition-fast);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-saffron-deep);
  transition: width var(--transition-fast);
}

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

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-text);
}

.nav.on-dark .nav-links a {
  color: rgba(232, 223, 208, 0.7);
}

.nav.on-dark .nav-links a:hover,
.nav.on-dark .nav-links a.active {
  color: var(--color-text-on-dark);
}

/* Mobile menu toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 5px;
  background: none;
  border: none;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--color-text);
  transition: all var(--transition-fast);
}

.nav.on-dark .nav-toggle span {
  background: var(--color-text-on-dark);
}

/* Mobile menu */
.nav-mobile {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-bg);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-medium);
}

.nav-mobile.open {
  display: flex;
  opacity: 1;
  pointer-events: all;
}

.nav-mobile a {
  font-family: var(--font-display);
  font-size: 1.8rem;
  color: var(--color-text);
  letter-spacing: 0.02em;
}

.nav-mobile-close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--color-text);
  cursor: pointer;
}

/* --- Hero Sections --- */
.hero {
  position: relative;
  min-height: 100vh;
  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;
  object-position: center top;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(13, 11, 7, 0.3) 0%,
    rgba(13, 11, 7, 0.5) 50%,
    rgba(13, 11, 7, 0.7) 100%
  );
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: var(--space-lg);
  max-width: 900px;
}

.hero-content h1 {
  color: var(--color-white);
  margin-bottom: var(--space-md);
  text-shadow: 0 2px 40px rgba(0,0,0,0.3);
}

.hero-content p {
  color: rgba(255, 253, 248, 0.85);
  font-size: clamp(1.05rem, 1.5vw, 1.25rem);
  max-width: 55ch;
  margin: 0 auto;
}

.hero-subtitle {
  font-family: var(--font-sans);
  font-size: 0.85rem !important;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-saffron) !important;
  margin-bottom: var(--space-sm);
  display: block;
}

/* Page hero (shorter) */
.hero-page {
  min-height: 70vh;
}

/* Page hero for portrait images — taller so face is never cropped */
.hero-portrait {
  min-height: 90vh;
}

.hero-portrait .hero-bg img {
  object-position: center 15%;
}

.hero-page .hero-content {
  margin-top: var(--space-lg);
}

/* --- Buttons / CTAs --- */
.btn {
  display: inline-block;
  padding: 0.9rem 2.5rem;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  border: 1px solid var(--color-saffron-muted);
  color: var(--color-white);
  background: transparent;
  cursor: pointer;
  transition: all var(--transition-medium);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--color-saffron-deep);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-medium);
  z-index: -1;
}

.btn:hover {
  color: var(--color-white);
  border-color: var(--color-saffron-deep);
}

.btn:hover::before {
  transform: scaleX(1);
}

.btn-dark {
  border-color: var(--color-text);
  color: var(--color-text);
}

.btn-dark:hover {
  color: var(--color-white);
  border-color: var(--color-text);
}

.btn-dark::before {
  background: var(--color-text);
}

/* --- Cards --- */
.card {
  background: var(--color-white);
  padding: var(--space-lg);
  border: 1px solid rgba(0,0,0,0.05);
  transition: all var(--transition-medium);
}

.card:hover {
  box-shadow: 0 20px 60px rgba(0,0,0,0.06);
  transform: translateY(-2px);
}

/* --- Image Treatments --- */
.img-cover {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.img-contain {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.img-frame {
  position: relative;
  overflow: hidden;
}

.img-frame img {
  transition: transform 1.2s var(--ease-gentle);
}

.img-frame:hover img {
  transform: scale(1.03);
}

.img-cinematic {
  position: relative;
}

.img-cinematic::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 60%, rgba(13,11,7,0.4));
  pointer-events: none;
}

/* --- Quote Block --- */
.quote-block {
  padding: var(--space-xl) 0;
  text-align: center;
}

.quote-block blockquote {
  border: none;
  padding: 0;
  margin: 0 auto;
  text-align: center;
  font-size: clamp(1.5rem, 3.5vw, 2.5rem);
}

.quote-block .quote-attribution {
  display: block;
  margin-top: var(--space-md);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-warm-grey);
  font-style: normal;
}

/* --- Dividers --- */
.divider {
  width: 60px;
  height: 1px;
  background: var(--color-saffron-muted);
  margin: var(--space-md) 0;
}

.divider-center {
  margin-left: auto;
  margin-right: auto;
}

/* --- Scroll Reveal Animations --- */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 1s var(--ease-gentle), transform 1s var(--ease-gentle);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.15s; }
.reveal-delay-2 { transition-delay: 0.3s; }
.reveal-delay-3 { transition-delay: 0.45s; }
.reveal-delay-4 { transition-delay: 0.6s; }

.reveal-fade {
  opacity: 0;
  transition: opacity 1.2s var(--ease-gentle);
}

.reveal-fade.visible {
  opacity: 1;
}

/* --- Page Transition --- */
.page-transition {
  position: fixed;
  inset: 0;
  background: var(--color-bg-dark);
  z-index: 9999;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.6s var(--ease-gentle);
}

.page-transition.active {
  opacity: 1;
  pointer-events: all;
}

/* --- Footer --- */
.footer {
  background: var(--color-bg-dark);
  color: var(--color-text-on-dark);
  padding: var(--space-xl) 0 var(--space-md);
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.footer-brand h3 {
  font-family: var(--font-display);
  color: var(--color-text-on-dark);
  margin-bottom: var(--space-sm);
  font-size: 1.5rem;
}

.footer-brand p {
  color: rgba(232, 223, 208, 0.6);
  font-size: 0.95rem;
  max-width: 40ch;
}

.footer h4 {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-saffron-muted);
  margin-bottom: var(--space-sm);
}

.footer-links a {
  display: block;
  color: rgba(232, 223, 208, 0.6);
  font-size: 0.95rem;
  padding: 0.3rem 0;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-text-on-dark);
}

.footer-contact p,
.footer-contact a {
  color: rgba(232, 223, 208, 0.6);
  font-size: 0.95rem;
  display: block;
  margin-bottom: 0.3rem;
}

.footer-contact a:hover {
  color: var(--color-text-on-dark);
}

.footer-social {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-sm);
}

.footer-social a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(232, 223, 208, 0.2);
  color: rgba(232, 223, 208, 0.6);
  font-size: 0.9rem;
  transition: all var(--transition-fast);
}

.footer-social a:hover {
  border-color: var(--color-saffron-muted);
  color: var(--color-saffron);
  background: rgba(196, 149, 106, 0.1);
}

.footer-bottom {
  border-top: 1px solid rgba(232, 223, 208, 0.1);
  padding-top: var(--space-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.footer-bottom p,
.footer-bottom a {
  font-size: 0.8rem;
  color: rgba(232, 223, 208, 0.4);
}

.footer-bottom a:hover {
  color: var(--color-saffron);
}

/* --- Floating Particles (Peace theme) --- */
.particles-container {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.particle {
  position: absolute;
  width: 3px;
  height: 3px;
  background: var(--color-saffron-muted);
  border-radius: 50%;
  opacity: 0;
  animation: particleFloat 12s infinite ease-in-out;
}

@keyframes particleFloat {
  0% { opacity: 0; transform: translateY(100vh) scale(0); }
  10% { opacity: 0.4; }
  50% { opacity: 0.15; }
  90% { opacity: 0; }
  100% { opacity: 0; transform: translateY(-10vh) scale(1); }
}

/* --- Timeline --- */
.timeline {
  position: relative;
  padding: var(--space-lg) 0;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--color-saffron-muted);
  transform: translateX(-50%);
}

.timeline-item {
  display: flex;
  align-items: flex-start;
  margin-bottom: var(--space-lg);
  position: relative;
}

.timeline-item:nth-child(odd) {
  flex-direction: row-reverse;
}

.timeline-content {
  width: 45%;
  padding: var(--space-md);
  min-height: 1px;
}

.timeline-content h4 {
  margin-bottom: var(--space-xs);
}

.timeline-year {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--color-saffron);
  display: block;
  margin-bottom: var(--space-xs);
  font-weight: 500;
}

.timeline-dot {
  position: absolute;
  left: 50%;
  top: var(--space-md);
  width: 12px;
  height: 12px;
  background: var(--color-saffron);
  border-radius: 50%;
  transform: translateX(-50%);
  z-index: 2;
  box-shadow: 0 0 0 4px var(--color-bg-dark), 0 0 0 5px var(--color-saffron-muted);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .nav-links {
    display: none;
  }
  .nav-toggle {
    display: flex;
  }
  .footer-inner {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .section { padding: var(--space-lg) 0; }
  .section-large { padding: var(--space-xl) 0; }

  .hero { min-height: 85vh; }
  .hero-page { min-height: 60vh; }
  .hero-portrait { min-height: 80vh; }

  .hero-content { padding: var(--space-md); }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .timeline::before {
    left: 20px;
  }

  .timeline-item,
  .timeline-item:nth-child(odd) {
    flex-direction: column;
    padding-left: 50px;
  }

  .timeline-content {
    width: 100%;
  }

  .timeline-dot {
    left: 20px;
  }
}

@media (max-width: 480px) {
  .hero { min-height: 75vh; }
  .container { width: 92%; }
}

/* --- Dark Section --- */
.section-dark {
  background: var(--color-bg-dark);
  color: var(--color-text-on-dark);
}

.section-dark h2,
.section-dark h3,
.section-dark h4 {
  color: var(--color-text-on-dark);
}

.section-dark p {
  color: rgba(232, 223, 208, 0.7);
}

/* --- Content Grid Layouts --- */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: center;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}

@media (max-width: 768px) {
  .grid-2 { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
  .grid-4 { grid-template-columns: 1fr; }
}

/* --- Staggered Image + Text Blocks --- */
.story-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
  padding: var(--space-xl) 0;
}

.story-block.reverse {
  direction: rtl;
}

.story-block.reverse > * {
  direction: ltr;
}

.story-block-image {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4/5;
}

.story-block-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.story-block-text h3 {
  margin-bottom: var(--space-sm);
}

.story-block-text p {
  margin-bottom: var(--space-sm);
}

@media (max-width: 768px) {
  .story-block {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }
  .story-block.reverse {
    direction: ltr;
  }
  .story-block-image {
    aspect-ratio: 16/10;
  }
}

/* --- Gallery Grid --- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-sm);
}

.gallery-item {
  position: relative;
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 1;
}

.gallery-item.wide {
  grid-column: span 2;
  aspect-ratio: 2/1;
}

.gallery-item.tall {
  grid-row: span 2;
  aspect-ratio: auto;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  transition: transform 1s var(--ease-gentle);
}

.gallery-item:hover img {
  transform: scale(1.05);
}

.gallery-item-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(13,11,7,0.6) 0%, transparent 50%);
  opacity: 0;
  transition: opacity var(--transition-medium);
  display: flex;
  align-items: flex-end;
  padding: var(--space-md);
}

.gallery-item:hover .gallery-item-overlay {
  opacity: 1;
}

.gallery-item-overlay p {
  color: var(--color-white);
  font-size: 0.9rem;
}

@media (max-width: 768px) {
  .gallery-grid {
    grid-template-columns: 1fr 1fr;
  }
  .gallery-item.wide {
    grid-column: span 1;
    aspect-ratio: 1;
  }
}

/* --- Lightbox --- */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(13, 11, 7, 0.95);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-medium);
}

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

.lightbox img {
  max-width: 90%;
  max-height: 90vh;
  object-fit: contain;
}

.lightbox-close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  background: none;
  border: none;
  color: var(--color-white);
  font-size: 1.5rem;
  cursor: pointer;
}

/* --- Form Styles --- */
.form-group {
  margin-bottom: var(--space-md);
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-warm-grey);
  margin-bottom: var(--space-xs);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.9rem 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  color: var(--color-text);
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--color-warm-grey-light);
  outline: none;
  transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-saffron-deep);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

/* --- Loading / Page Enter Animation --- */
.page-enter {
  animation: pageEnter 1s var(--ease-gentle) forwards;
}

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

/* --- Scroll Progress Bar --- */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  background: var(--color-saffron-muted);
  z-index: 10001;
  transition: width 0.1s linear;
}

/* --- Gallery Filter Tabs --- */
.filter-tabs {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
  flex-wrap: wrap;
}

.filter-tab {
  padding: 0.5rem 1.5rem;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: none;
  border: 1px solid transparent;
  color: var(--color-warm-grey);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-tab:hover,
.filter-tab.active {
  border-color: var(--color-saffron-muted);
  color: var(--color-text);
}