/* ============================================
   SAFFRON PATEL — Photography Portfolio
   ============================================ */

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

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

body {
  font-family: "Outfit", "Helvetica Neue", Helvetica, Arial, sans-serif;
  color: #1a1a1a;
  background: #ffffff;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  animation: fadeIn 0.5s ease;
}

body.transitioning {
  opacity: 0;
  transition: opacity 0.3s ease;
}

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

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

a {
  color: inherit;
  text-decoration: none;
}

/* --- Header --- */
header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 2.8rem 3.5rem;
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 100;
  transition: transform 0.35s ease;
}

header.header-hidden {
  transform: translateY(-100%);
}

.logo {
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  white-space: nowrap;
}

nav {
  display: flex;
  gap: 2rem;
}

nav a {
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: 0.03em;
  position: relative;
  padding-bottom: 2px;
}

nav a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: #1a1a1a;
  transition: width 0.3s ease;
}

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

/* --- Footer --- */
footer {
  margin-top: auto;
  padding: 3rem;
  text-align: center;
}

.footer-line {
  width: 30px;
  height: 1.5px;
  background: #1a1a1a;
  margin: 0 auto 1.2rem;
}

.footer-name {
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.06em;
}

/* --- Homepage Featured Grid --- */
.home {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 3.5rem;
}

.featured-grid {
  display: flex;
  justify-content: center;
  align-items: flex-end;
  gap: 1.5rem;
}

.featured-item {
  flex-shrink: 0;
  display: block;
  text-align: center;
}

.featured-image-wrapper {
  line-height: 0;
}

.featured-image-wrapper img {
  height: 52vh;
  width: auto;
  max-width: none !important;
  display: block;
  transition: transform 0.7s cubic-bezier(0.25, 0.1, 0.25, 1);
}

.featured-item:hover .featured-image-wrapper img {
  transform: scale(1.04);
}

.featured-label {
  display: block;
  margin-top: 0.75rem;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: #1a1a1a;
  transition: color 0.3s ease;
}

.featured-item:hover .featured-label {
  color: #555;
}

/* --- Gallery Masonry --- */
.gallery {
  flex: 1;
  padding: 1.5rem 4rem 4rem;
}

.masonry {
  column-count: 3;
  column-gap: 1.8rem;
}

.masonry-item {
  break-inside: avoid;
  margin-bottom: 1.8rem;
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.masonry-item img {
  width: 100%;
  display: block;
  background: #f5f5f5;
  cursor: zoom-in;
  transition: filter 0.4s ease;
}

.masonry-item:hover img {
  filter: brightness(1.04);
}

.caption {
  font-size: 0.82rem;
  font-weight: 300;
  color: #888;
  letter-spacing: 0.02em;
  margin-top: 0.6rem;
  line-height: 1.4;
}

/* --- Lightbox --- */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(255, 255, 255, 0.94);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

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

.lightbox-image-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  max-width: 90vw;
  max-height: 82vh;
}

.lightbox-image-wrapper img {
  max-height: 82vh;
  max-width: 90vw;
  object-fit: contain;
  transition: opacity 0.3s ease;
  cursor: zoom-out;
}

.lightbox-close {
  position: absolute;
  top: 1.5rem;
  right: 2rem;
  background: none;
  border: none;
  color: rgba(0, 0, 0, 0.5);
  font-size: 2rem;
  cursor: pointer;
  z-index: 1010;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.2s ease;
  font-weight: 300;
  line-height: 1;
}

.lightbox-close:hover {
  color: #000000;
}

.lightbox-prev,
.lightbox-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: rgba(0, 0, 0, 0.4);
  font-size: 2.5rem;
  cursor: pointer;
  z-index: 1010;
  width: 60px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.2s ease;
  font-weight: 300;
}

.lightbox-prev { left: 1rem; }
.lightbox-next { right: 1rem; }

.lightbox-prev:hover,
.lightbox-next:hover {
  color: #000000;
}

.lightbox-caption {
  color: rgba(0, 0, 0, 0.5);
  font-size: 0.8rem;
  letter-spacing: 0.03em;
  margin-top: 1rem;
  text-align: center;
  min-height: 1.2em;
}

/* --- Responsive --- */

/* Tablet */
@media (max-width: 1024px) {
  header {
    padding: 1.5rem 2rem;
  }

  nav {
    gap: 1.5rem;
  }

  .home {
    padding: 1rem 2rem 2rem;
  }

  .featured-grid {
    flex-wrap: wrap;
    gap: 1.2rem;
  }

  .featured-image-wrapper img {
    height: 38vh;
  }

  .gallery {
    padding: 1rem 2.5rem 2.5rem;
  }

  .masonry {
    column-count: 2;
    column-gap: 1.4rem;
  }

  .masonry-item {
    margin-bottom: 1.4rem;
  }
}

/* Mobile */
@media (max-width: 640px) {
  header {
    flex-direction: column;
    gap: 0.8rem;
    padding: 1.2rem 1.5rem;
    align-items: flex-start;
  }

  nav {
    gap: 1.2rem;
    flex-wrap: wrap;
  }

  .home {
    padding: 0.5rem 1.2rem 2rem;
  }

  .featured-grid {
    gap: 0.8rem;
  }

  .featured-image-wrapper img {
    height: 28vh;
  }

  .gallery {
    padding: 0.5rem 1.2rem 2rem;
  }

  .masonry {
    column-count: 1;
  }

  footer {
    padding: 2rem 1.5rem;
  }

  .lightbox-prev { left: 0.5rem; }
  .lightbox-next { right: 0.5rem; }

  .lightbox-prev,
  .lightbox-next {
    font-size: 2rem;
    width: 44px;
  }
}

/* Small mobile */
@media (max-width: 420px) {
  .featured-image-wrapper img {
    height: 22vh;
  }
}

/* --- Print --- */
@media print {
  header, footer, .lightbox { display: none; }
  .masonry { column-count: 2; }
  .masonry-item { opacity: 1; transform: none; }
}