.page {
  padding: var(--page-padding);
  max-width: var(--max-width);
  margin: 0 auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px var(--page-padding);
  position: fixed; 
  top: 0; 
  width: 100%; 
  height: var(--header-height);
  background: var(--bg); /* Added for visibility */
  z-index: 100; /* Added to keep it on top */
  transition: border-bottom 0.3s ease, box-shadow 0.3s ease;
}

#site-header.scrolled .site-header {
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.site-nav {
  display: flex;
  gap: 20px;
  font-size: 0.95rem;
}

.nav-link {
  color: var(--muted);
}

.nav-link:hover {
  color: var(--text-hover);
}

.text-hover {
  color: var(--text-hover);
}

.nav-link.active {
  color: var(--text);
  font-weight: 600;
}

.logo img {
  max-height: calc(var(--header-height) * 0.9);
  max-width: 100%;
  vertical-align: top;
  padding-left: 50px;
  padding-top: 5px;
}

.site-social {
  display: flex;
  gap: 18px;
  font-size: 0.95rem;
  color: var(--muted);
}

.social-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: inherit;
}

.social-link .icon {
  width: 16px;
  height: 16px;
  display: inline-block;
  color: currentColor;
}

body {
  padding-top: var(--header-height); /* Added to offset fixed header */
}

.hero {
  position: fixed;
  top: var(--header-height);
  left: 0;
  width: 100%;
  height: calc(100vh - var(--header-height));
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 40px 24px 100px;
  z-index: 1;
}

.hero h1 {
  font-size: clamp(2.0rem, 4vw, 3.2rem);
  font-weight: 450;
  margin: 0 0 12px;
  letter-spacing: 0.02em;
}
 
.hero-sub {
  color: var(--text-hover);
  width: 60%;
  margin: auto;
  line-height: 32px;
  letter-spacing: 0.05em;
}

.hero-inner {
  will-change: transform, opacity;
  transition: none; /* Ensure JS has full control without CSS interference */
}

.hero-subpage .hero-sub {
  width: 90%;
  max-width: 800px;
}

 .hero-arrow {
  position: absolute;
  bottom: 100px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  animation: arrow-bounce 2s infinite ease-in-out;
  background: transparent;
  cursor: pointer;
  border: none;
  padding: 0;
  z-index: 1; /* Ensure arrow is above hero content but below gallery */
}

.hero-arrow::after {
  content: "";
  width: 24px;
  height: 24px;
  border-right: 3px solid var(--muted);
  border-bottom: 3px solid var(--muted);
  transform: rotate(45deg);
  transition: border-color 0.2s ease;
}

.hero-arrow:hover::after {
  border-color: var(--text-hover);
}

@keyframes arrow-bounce {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 1; }
}

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--card-gap);
  padding: 80px 0 10px;
  width: var(--gallery-width);
  margin-left: auto;
  margin-right: auto;
  margin-top: calc(100vh - var(--header-height));
  background: var(--bg);
  opacity: 1;
  position: relative; /* Added for z-index to work */
  z-index: 2; /* Added to appear over hero */
  scroll-margin-top: var(--header-height);
}

.gallery::before {
  content: "";
  position: absolute;
  top: -100px;
  left: 0;
  right: 0;
  height: 100px;
  background: linear-gradient(to bottom, transparent, var(--bg));
  pointer-events: none;
}

.show-projects .gallery {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--card-bg);
  position: relative;
  /* Reveal animation initial state */
  opacity: 0;
  transform: translateY(30px) scale(0.98);
  transition: 
    opacity 0.8s ease-out, 
    transform 0.8s cubic-bezier(0.16, 1, 0.3, 1), 
    box-shadow 0.2s ease;
}

.card.revealed {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.card:hover {
  box-shadow: var(--card-shadow);
}

/* Generic reveal class for about page elements */
.reveal-item {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease-out, transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.info-item {
  margin-bottom: 24px;
}

.achievement-list {
  list-style: none;
  padding: 0 !important;
}

.subpage-link {
  color: var(--text-green);
}

.subpage-link:hover {
  text-decoration: underline;
}


.card-image {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--card-image-bg);
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card-body {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 18px;
  background: linear-gradient(180deg, transparent 40%, rgba(0, 0, 0, 0.4) 100%);
  color: var(--bg);
  opacity: 1;
  transition: background 0.3s ease;
}

.card-body h3 {
  margin: 0 0 6px;
  font-size: 1.05rem;
  opacity: 0.9;
  transition: opacity 0.3s ease, transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  transform: translateY(32px);
}

.card-body p {
  margin: 0;
  color: var(--bg);
  font-size: 0.95rem;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.card:hover .card-body,
.card.touch-active .card-body {
  background: rgba(46, 82, 58, 0.9);
}

.card:hover .card-body h3,
.card.touch-active .card-body h3 {
  opacity: 1;
  transform: translateY(0);
}

.card:hover .card-body p,
.card.touch-active .card-body p {
  opacity: 1;
  transform: translateY(0);
}

.card:hover .card-image img,
.card.touch-active .card-image img {
  filter: brightness(0.8);
}

.hero-subpage h1 {
  margin: 0 0 8px;
  font-size: clamp(2rem, 3vw, 2.8rem);
}

.project-content {
  display: grid;
  gap: 24px;
}

.project-image img {
  width: 100%;
  border-radius: var(--radius);
}

.project-text {
  max-width: 760px;
  text-align: center;
}

.project-text p,
.project-text ul {
  margin: 0 0 12px;
}

.project-text ul {
  padding-left: 18px;
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: center;
}

.split-text h1 {
  margin-top: 0;
}

.wide-image {
  margin: 40px 0;
}

.wide-image img {
  border-radius: var(--radius);
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 28px;
}

.info-block h2 {
  margin: 0 0 10px;
  font-size: 1.1rem;
  color: var(--text-green);
}

.info-block p,
.info-block ul {
  margin: 0 0 8px;
}

.photo-lock {
  max-width: 520px;
  margin: 80px auto 120px;
  text-align: center;
}

.hero-subpage {
  position: fixed;
  top: var(--header-height);
  left: 0;
  width: 100%;
  height: 40vh; /* Shorter than main hero but fixed */
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  z-index: 1;
  background: var(--bg);
}

.about-content {
  position: relative;
  z-index: 2;
  background: var(--bg);
  margin-top: 40vh; /* Aligned with hero-subpage height */
  padding: 60px var(--page-padding);
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
}

/* Added fade effect for subpages to match the homepage gallery */
.about-content::before {
  content: "";
  position: absolute;
  top: -120px; /* Sits above the content */
  left: 0;
  right: 0;
  height: 120px;
  background: linear-gradient(to bottom, transparent, var(--bg));
  pointer-events: none;
}

.photo-grid {
  position: relative;
  --photo-gap: var(--card-gap);
  padding: 24px 0 10px;
  opacity: 0;
  transition: opacity 0.5s ease-in-out;
}

/* Ensure the photo grid starts lower when used on a subpage with a hero */
[data-page="photo"] .photo-grid {
  margin-top: 40vh;
  z-index: 2;
  background: var(--bg);
}

[data-page="photo"] .photo-grid::before {
  /* Reusing the same gradient logic for photography page */
  content: "";
  position: absolute;
  top: -120px;
  left: 0;
  right: 0;
  height: 120px;
  background: linear-gradient(to bottom, transparent, var(--bg));
  pointer-events: none;
}

.photo-item {
  position: absolute;
  background: transparent;
  border: 1px solid transparent;
  box-shadow: none;
  overflow: hidden;
  display: none; /* Hidden by default for batching */
  transition: background 0.8s ease-out, border-color 0.8s ease-out, box-shadow 0.8s ease-out;
}

.photo-item.revealed {
  background: var(--card-bg);
  border-color: var(--border);
  box-shadow: var(--card-shadow);
}

.load-more-container {
  text-align: center;
  padding: 40px 0;
}

.photo-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  /* Reveal animation initial state */
  opacity: 0;
  transform: translateY(30px) scale(0.98);
  transition: 
    opacity 0.8s ease-out, 
    transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.photo-item.revealed img {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.password-form {
  display: flex;
  gap: 10px;
  margin-top: 18px;
}

.password-form input {
  flex: 1;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 1rem;
}

.password-form button {
  padding: 10px 16px;
  border: 1px solid var(--text);
  background: var(--text);
  color: #fff;
  border-radius: var(--radius);
  cursor: pointer;
}

.site-footer {
  padding: 22px var(--page-padding) 32px;
}

.footer-text {
  text-align: center;
  gap: 16px;
  color: var(--muted);
  font-size: 0.8rem;
}

/* Burger Menu Styles */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 10px;
  z-index: 101;
}

.menu-toggle span, 
.menu-toggle span::before, 
.menu-toggle span::after {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--text);
  transition: 0.3s ease;
  position: relative;
}

.menu-toggle span::before, 
.menu-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
}

.menu-toggle span::before { top: -7px; }
.menu-toggle span::after { top: 7px; }

.site-header.nav-open .menu-toggle span { background: transparent; }
.site-header.nav-open .menu-toggle span::before { transform: rotate(45deg); top: 0; }
.site-header.nav-open .menu-toggle span::after { transform: rotate(-45deg); top: 0; }

@media (max-width: 800px) {
  :root {
    --page-padding: 20px;
  }

  .menu-toggle {
    display: block;
  }

  .site-header {
    flex-direction: row;
    align-items: center;
  }

  .site-nav {
    display: none;
    position: fixed;
    top: var(--header-height);
    left: 0; right: 0; bottom: 0;
    background: var(--bg);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 32px;
    padding: 40px;
    font-size: 1.2rem;
  }

  .site-header.nav-open .site-nav {
    display: flex;
  }

  .site-social {
    display: none;
  }

  .site-header.nav-open .site-social {
    display: flex;
    position: absolute;
    bottom: 60px;
    left: 0; right: 0;
    justify-content: center;
    gap: 24px;
  }

  .social-link span:not(.icon) {
    display: none;
  }

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

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

  .password-form {
    flex-direction: column;
  }
}

/* Other Projects Component */
.other-projects {
  padding: 80px 0;
  margin-top: 80px;
}

.other-projects-title {
  font-size: 1.5rem;
  margin-bottom: 40px;
  font-weight: 450;
  color: var(--text);
}

.project-covers {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}

.project-cover {
  display: block;
  text-decoration: none;
  color: inherit;
}

.cover-image-wrap {
  aspect-ratio: 4/3;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--card-image-bg);
  margin-bottom: 12px;
}

.cover-image {
  height: 100%;
}

.cover-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.project-cover:hover img {
  transform: scale(1.05);
}

.details .title {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--muted);
  line-height: 1.4;
}


@media (max-width: 1000px) {
  .project-covers {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 600px) {
  .project-covers {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Lightbox Styles */
.lightbox {
  position: fixed;
  inset: 0;
  background: var(--bg);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: zoom-out;
  padding: 40px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.lightbox.active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

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

.lightbox-spinner {
  width: 40px;
  height: 40px;
  border: 4px solid rgba(0, 0, 0, 0.1);
  border-left-color: var(--text-green);
  border-radius: 50%;
  position: absolute;
  display: none;
  animation: spin 1s linear infinite;
  z-index: -1;
}

.lightbox.loading .lightbox-spinner {
  display: block;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 44px;
  height: 44px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  box-shadow: var(--card-shadow);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  border-color: var(--text-green);
}

.back-to-top::after {
  content: "";
  width: 10px;
  height: 10px;
  border-left: 2px solid var(--text-green);
  border-top: 2px solid var(--text-green);
  transform: rotate(45deg);
  margin-top: 4px;
}