/* ════════════════════════════════════════════════════════════
   gallery.css  —  House Gallery (Zeetech-style exact copy)
   ════════════════════════════════════════════════════════════ */

/* ── Design Tokens ── */
:root {
  --font-main:        "Poppins", sans-serif;
  --color-bg:         #f8fafc;
  --color-surface:    #ffffff;
  --color-text:       #1f2937;
  --color-text-light: #6b7280;
  --color-accent:     #0c5ca8;   /* zeetech primary blue */
  --color-accent-hov: #094a86;
  --color-border:     #e5e7eb;
  --transition:       all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}
body {
  font-family: var(--font-main);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.8;
}
a           { text-decoration: none; color: inherit; transition: var(--transition); }
button      { cursor: pointer; font-family: var(--font-main); border: none; background: none; }
img, video  { max-width: 100%; display: block; }

/* ── Utilities ── */
.container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 4rem;
}
.section { padding: 6rem 0; }

/* ── Reveal animation ── */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 1s cubic-bezier(0.25, 1, 0.5, 1),
              transform 1s cubic-bezier(0.25, 1, 0.5, 1);
}
.reveal.active { opacity: 1; transform: translateY(0); }

/* ── Typography ── */
.title {
  font-size: 3.5rem;
  font-weight: 300;
  letter-spacing: -0.02em;
  margin-bottom: 2rem;
  color: var(--color-text);
  line-height: 1.1;
}
.subtitle {
  font-size: 1.25rem;
  color: var(--color-text-light);
  font-weight: 300;
  margin-bottom: 4rem;
  max-width: 700px;
  line-height: 1.6;
}
.text-accent {
  color: var(--color-accent);
  font-style: italic;
  font-weight: 400;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 2.5rem;
  font-size: 0.9rem;
  font-weight: 400;
  letter-spacing: 1px;
  text-transform: uppercase;
  border-radius: 0;
  transition: var(--transition);
}
.btn-primary {
  background: var(--color-accent);
  color: #fff;
}
.btn-primary:hover {
  background: var(--color-accent-hov);
  color: #fff;
}
.btn-outline {
  border: 1px solid var(--color-border);
  color: var(--color-text);
}
.btn-outline:hover {
  border-color: var(--color-text);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,.08);
}

/* ════════════════════════════════════════════════════════════
   NAVBAR
   ════════════════════════════════════════════════════════════ */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 100;
  background: rgba(248,250,252,.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: 1.5rem 0;
  transition: var(--transition);
}
.navbar.scrolled { box-shadow: 0 2px 24px rgba(0,0,0,.06); }

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 400;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-accent);
}

.nav-links {
  display: flex;
  gap: 3rem;
  align-items: center;
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-text-light);
  transition: var(--transition);
}
.nav-link:hover { color: var(--color-text); }

/* ════════════════════════════════════════════════════════════
   HERO
   ════════════════════════════════════════════════════════════ */
.hero {
  height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 5rem;
}

/* Right-side image panel — fades in from the left edge */
.hero-image-wrapper {
  position: absolute;
  top: 0; right: 0;
  width: 65%;
  height: 100%;
  z-index: 0;
  -webkit-mask-image: radial-gradient(ellipse 100% 120% at 100% 50%, black 40%, transparent 95%);
          mask-image: radial-gradient(ellipse 100% 120% at 100% 50%, black 40%, transparent 95%);
}

.hero-bg {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: brightness(.95);
  opacity: 0;
  transition: opacity .8s ease;
}
.hero-bg.loaded { opacity: 1; }

/* Left text content */
.hero-content {
  position: relative;
  z-index: 1;
  max-width: 600px;
  padding: 2rem 2rem 2rem 0;
  background: transparent;
}

.hero-accent-line {
  width: 60px;
  height: 2px;
  background: var(--color-accent);
  margin-bottom: 2rem;
}

.hero-title {
  font-size: 5rem;
  font-weight: 300;
  line-height: 1.1;
  letter-spacing: -1px;
  margin-bottom: 2rem;
  color: var(--color-text);
}

.hero-subtitle {
  font-size: 1.25rem;
  font-weight: 300;
  color: var(--color-text-light);
  margin-bottom: 3rem;
  max-width: 500px;
}

/* Scroll indicator */
.hero-scroll {
  position: absolute;
  bottom: 3rem;
  left: 4rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--color-text);
  opacity: .7;
}
.scroll-line {
  width: 1px;
  height: 60px;
  background: var(--color-text);
  position: relative;
  overflow: hidden;
}
.scroll-line::after {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 50%;
  background: var(--color-bg);
  animation: scrollDown 2s cubic-bezier(0.77, 0, 0.175, 1) infinite;
}
@keyframes scrollDown {
  0%   { transform: translateY(-100%); }
  100% { transform: translateY(200%);  }
}

/* ════════════════════════════════════════════════════════════
   FEATURED / SELECTED WORKS
   ════════════════════════════════════════════════════════════ */
#selected-works { padding-bottom: 2rem; }
#gallery { padding-top: 2rem; }
.featured-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.featured-item {
  cursor: pointer;
  display: flex;
  flex-direction: column;
  transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
.featured-item:hover { transform: translateY(-12px); }

.featured-img-wrapper {
  position: relative;
  overflow: hidden;
  margin-bottom: 1.5rem;
  aspect-ratio: 1 / 1;
  box-shadow: 0 8px 30px rgba(0,0,0,.04);
  border-radius: 2px;
  transition: box-shadow 0.4s ease;
}
.featured-item:hover .featured-img-wrapper { box-shadow: 0 25px 50px rgba(0,0,0,.15); }

.featured-img-wrapper .slideshow-img {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 1.5s ease-in-out, transform 0.8s ease;
}
.featured-img-wrapper .slideshow-img.active {
  opacity: 1;
  z-index: 1;
}
.featured-item:hover .featured-img-wrapper .slideshow-img.active { transform: scale(1.03); }

.featured-meta { display: flex; flex-direction: column; gap: .25rem; }
.featured-title { font-size: 1.25rem; font-weight: 400; color: var(--color-text); transition: color .3s ease; }
.featured-cat   { text-transform: uppercase; letter-spacing: 1px; font-size: .85rem; color: var(--color-text-light); }
.featured-item:hover .featured-title { color: var(--color-accent); }

/* ════════════════════════════════════════════════════════════
   ARCHIVE / MASONRY GALLERY
   ════════════════════════════════════════════════════════════ */
.gallery-filters {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 6rem;
}

.filter-btn {
  font-size: 1rem;
  font-weight: 300;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-text-light);
  padding-bottom: .5rem;
  border-bottom: 1px solid transparent;
  transition: var(--transition);
}
.filter-btn.active,
.filter-btn:hover {
  color: var(--color-text);
  border-bottom-color: var(--color-text);
}

.masonry-grid {
  columns: 3;
  column-gap: 3rem;
}
@media (max-width: 1200px) { .masonry-grid { columns: 2; } }
@media (max-width: 640px)  { .masonry-grid { columns: 1; } }

.masonry-item {
  break-inside: avoid;
  margin-bottom: 3rem;
  position: relative;
  cursor: pointer;
}

.masonry-img-wrapper { overflow: hidden; border-radius: 2px; }
.masonry-img-wrapper img {
  width: 100%; display: block;
  transition: transform 1s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              filter .5s ease, box-shadow .5s ease;
  filter: grayscale(20%);
}
.masonry-item:hover .masonry-img-wrapper img {
  transform: scale(1.02);
  filter: grayscale(0%);
  box-shadow: 0 10px 40px rgba(0,0,0,.08);
}

.masonry-item-overlay {
  position: absolute;
  bottom: 0; left: 0;
  width: 100%;
  padding: 1.5rem;
  background: linear-gradient(to top, rgba(248,250,252,.85), transparent);
  backdrop-filter: blur(4px);
  border-radius: 0 0 2px 2px;
  opacity: 0;
  transition: opacity .4s ease;
}
.masonry-item:hover .masonry-item-overlay { opacity: 1; }
.masonry-item-overlay span { font-size: 1.1rem; font-weight: 400; color: var(--color-text); }

/* ════════════════════════════════════════════════════════════
   CTA BANNER
   ════════════════════════════════════════════════════════════ */
.cta-banner {
  background: var(--color-border);
  padding: 8rem 0;
  text-align: center;
}
.cta-banner h2 {
  font-size: 3rem;
  font-weight: 300;
  margin-bottom: 2rem;
}

/* ════════════════════════════════════════════════════════════
   CONTACT / STUDIO
   ════════════════════════════════════════════════════════════ */
#contact {
  background: #1f2937;
  color: #fff;
  padding: 6rem 5rem;
  border-radius: 16px;
  margin: 4rem auto 6rem auto;
  box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}
#contact .title { color: #fff; }
#contact .subtitle { color: #d1d5db !important; }
#contact .info-item h4 { color: #9ca3af; }
#contact .info-item p { color: #e5e7eb; }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8rem;
}
.contact-info { display: flex; flex-direction: column; gap: 3rem; }
.info-item h4 {
  font-size: .9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-text-light);
  margin-bottom: .5rem;
}
.info-item p { font-size: 1.25rem; font-weight: 300; }

.contact-form { display: flex; flex-direction: column; gap: 2rem; }
.form-control {
  background: transparent;
  border: none;
  border-bottom: 1px solid #374151;
  padding: 1rem 0;
  font-family: var(--font-main);
  font-size: 1.1rem;
  color: #fff;
  transition: border-color .3s;
  width: 100%;
}
.form-control::placeholder { color: #9ca3af; }
.form-control:focus { outline: none; border-bottom-color: var(--color-accent); }
#contact .btn-primary { background: var(--color-accent); color: #fff; border: none; }
#contact .btn-primary:hover { background: #fff; color: #1f2937; }

/* ════════════════════════════════════════════════════════════
   FOOTER
   ════════════════════════════════════════════════════════════ */
.footer {
  padding: 4rem 0;
  border-top: 1px solid var(--color-border);
  text-align: center;
}
.footer-logo {
  font-size: 1.25rem;
  font-weight: 300;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 1rem;
}
.footer-copy { font-size: .9rem; color: var(--color-text-light); }

/* ════════════════════════════════════════════════════════════
   LIGHTBOX
   ════════════════════════════════════════════════════════════ */
.lightbox {
  position: fixed;
  inset: 0; z-index: 1000;
  background: var(--color-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0; pointer-events: none;
  transition: opacity .3s ease;
}
.lightbox.open { opacity: 1; pointer-events: all; }

.lightbox-content {
  position: relative;
  width: 90vw; height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.lightbox-media { max-width: 100%; max-height: 100%; object-fit: contain; }

.lightbox-close {
  position: fixed;
  top: 2rem; right: 2rem;
  color: var(--color-text);
  font-size: 1.4rem;
  width: 50px; height: 50px;
  display: flex; align-items: center; justify-content: center;
  transition: transform .4s ease;
  z-index: 1010;
}
.lightbox-close:hover { transform: rotate(90deg); }

.lightbox-nav {
  position: fixed;
  top: 50%; transform: translateY(-50%);
  color: var(--color-text-light);
  width: 80px; height: 100%;
  display: flex; align-items: center; justify-content: center;
  font-size: 3rem;
  transition: color .3s;
}
.lightbox-nav:hover { color: var(--color-text); }
.lightbox-prev { left: 0; }
.lightbox-next { right: 0; }

/* ════════════════════════════════════════════════════════════
   RESPONSIVE
   ════════════════════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .featured-grid    { grid-template-columns: repeat(2, 1fr); }
  .contact-grid     { grid-template-columns: 1fr; gap: 4rem; }
}
@media (max-width: 768px) {
  .container        { padding: 0 1.5rem; }
  .section          { padding: 4rem 0; }
  .title            { font-size: 2.5rem; }
  .nav-links        { display: none; }
  
  .hero {
    flex-direction: column;
    justify-content: center;
    height: auto;
    min-height: 100vh;
    padding-top: 8rem;
    padding-bottom: 4rem;
  }
  .hero-image-wrapper {
    position: relative;
    width: 100%;
    height: 40vh;
    margin-top: 3rem;
    -webkit-mask-image: none;
    mask-image: none;
    border-radius: 8px;
  }
  .hero-content {
    padding: 0 1.5rem;
    max-width: 100%;
  }
  .hero-title       { font-size: 3rem; }
  .hero-scroll      { display: none; }
  
  .featured-grid    { grid-template-columns: 1fr; }
  .gallery-filters  { flex-wrap: wrap; gap: 1rem; }
  
  #contact {
    padding: 3rem 1.5rem;
    margin: 2rem 1.5rem;
  }
}