:root {
  --c-bg: #f8fafc;
  --c-surface: #ffffff;
  --c-text: #0f172a;
  --c-text-muted: #64748b;
  --c-primary: #2563eb;
  --c-primary-hover: #1d4ed8;
  --c-danger: #ef4444;
  --c-success: #10b981;
  --c-border: #e2e8f0;
  --c-input-bg: #ffffff;
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --shadow-sm: 0 1px 2px 0 rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
  --font-main: 'Inter', system-ui, -apple-system, sans-serif;
  --max-w: 1400px;
  --header-h: 70px;
}
* { box-sizing: border-box; }
body {
  margin: 0; font-family: var(--font-main); background: var(--c-bg); color: var(--c-text); line-height: 1.6; padding-top: var(--header-h); -webkit-font-smoothing: antialiased;
}
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* --- High Tech Header --- */
.header-wrap {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--c-border);
  height: var(--header-h);
  display: flex;
  align-items: center;
  transition: all 0.3s ease;
}

.header {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand a {
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.brand h1 {
  font-size: 1.25rem;
  font-weight: 800;
  margin: 0;
  color: var(--c-text);
  letter-spacing: -0.5px;
  text-transform: uppercase;
  font-family: 'JetBrains Mono', var(--font-main); /* Tech feel if avail */
}

.nav {
  display: flex;
  gap: 2rem;
  align-items: center;
  height: 100%;
}

.nav-link {
  position: relative;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--c-text-muted);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: color 0.2s;
  height: 100%;
  display: flex;
  align-items: center;
  border-bottom: 2px solid transparent;
}

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

.nav-link.active {
  color: var(--c-text);
  border-bottom-color: var(--c-primary);
}

/* Mobile Menu Toggle */
.menu-btn {
  display: none;
  flex-direction: column;
  gap: 6px;
  cursor: pointer;
  padding: 5px;
  z-index: 1002;
}
.icon-bar {
  width: 24px;
  height: 2px;
  background: var(--c-text);
  transition: 0.3s;
  border-radius: 0; /* Sharp lines */
}

/* --- General UI --- */
.card { background: var(--c-surface); border-radius: var(--radius-lg); border: 1px solid var(--c-border); box-shadow: var(--shadow-sm); padding: 2.5rem; margin-bottom: 2rem; }
.btn { background: var(--c-text); color: #ffffff; padding: 0.75rem 1.75rem; border-radius: 4px; border: none; cursor: pointer; font-weight: 600; font-size: 0.9rem; display: inline-flex; align-items: center; justify-content: center; text-decoration: none; transition: all 0.2s; white-space: nowrap; text-transform: uppercase; letter-spacing: 0.5px; }
.btn:hover { opacity: 0.9; transform: translateY(-1px); box-shadow: 0 4px 12px rgba(0,0,0,0.1); }
.btn.light { background: #fff; color: var(--c-text); border: 1px solid var(--c-border); }
.btn.danger { background: #fff; color: var(--c-danger); border: 1px solid #fee2e2; }
.btn.sm { padding: 0.4rem 1rem; font-size: 0.75rem; }

/* Gallery Grid Updates */
.gallery-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
}

@media (min-width: 1400px) {
  .gallery-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.gallery-tile {
  display: block;
  position: relative;
  aspect-ratio: 4/5;
  border-radius: 4px;
  overflow: hidden;
  background: var(--c-surface);
  text-decoration: none;
  border: 1px solid var(--c-border);
}

.gallery-tile:hover {
  border-color: var(--c-primary);
}

.tile-img-wrap {
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.gallery-tile img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s cubic-bezier(0.2, 0, 0.2, 1);
  display: block;
}

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

.tile-overlay {
    position: absolute;
    bottom: 0; left: 0; right: 0;
    background: rgba(255,255,255,0.95);
    padding: 1rem;
    transform: translateY(100%);
    transition: transform 0.3s cubic-bezier(0.2, 0, 0.2, 1);
    border-top: 1px solid var(--c-border);
    display: flex;
    align-items: center;
    justify-content: center;
}

.gallery-tile:hover .tile-overlay {
    transform: translateY(0);
}

.tile-title {
    color: var(--c-text);
    font-weight: 600;
    font-size: 0.9rem;
    text-align: center;
}

.form-group { margin-bottom: 1.5rem; text-align: start; }
.form-label { display: block; margin-bottom: 0.5rem; font-weight: 600; font-size: 0.85rem; text-transform:uppercase; color: var(--c-text-muted); letter-spacing:0.5px; }
.form-input, .form-textarea {
  width: 100%; padding: 0.8rem 1rem; border: 1px solid var(--c-border); border-radius: 4px; background: #fff; font-family: inherit; font-size: 0.95rem; transition: border-color 0.2s; box-shadow: none;
}
.form-input:focus, .form-textarea:focus { outline: none; border-color: var(--c-primary); }
.form-textarea { resize: vertical; min-height: 120px; }

/* High Tech Search */
.hero-search {
  margin: 3rem 0 4rem;
  text-align: center;
  position: relative;
  z-index: 10;
}
.search-wrapper {
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: 4px;
  padding: 0.5rem;
  box-shadow: var(--shadow-md);
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  gap: 0.5rem;
  align-items: center;
}
.search-main-input {
  flex: 1;
  min-width: 200px;
  border: none;
  background: transparent;
  font-size: 1rem;
  padding: 0.5rem 1rem;
  outline: none;
  color: var(--c-text);
}
.search-actions {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}
.modern-select {
  appearance: none;
  background-color: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: 4px;
  padding: 0.5rem 2rem 0.5rem 1rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--c-text);
  cursor: pointer;
  height: 40px;
}
.search-btn-hero {
  background: var(--c-text);
  color: #fff;
  border: none;
  padding: 0 1.5rem;
  height: 40px;
  border-radius: 4px;
  font-weight: 600;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.tag-cloud {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1.5rem;
  flex-wrap: wrap;
}
.tag-pill {
  font-size: 0.8rem;
  padding: 0.3rem 0.8rem;
  border-radius: 2px;
  background: #fff;
  border: 1px solid var(--c-border);
  color: var(--c-text-muted);
  text-decoration: none;
  transition: all 0.2s;
}
.tag-pill:hover {
  border-color: var(--c-primary);
  color: var(--c-primary);
}

.chip { display: inline-block; padding: 0.4rem 1rem; border-radius: 4px; background: #f1f5f9; color: var(--c-text-muted); font-size: 0.8rem; font-weight: 600; border: 1px solid var(--c-border); text-decoration:none; transition: all 0.2s; }
.chip:hover { border-color: var(--c-primary); color: var(--c-primary); }
.chip.active { background: var(--c-primary); color: #fff; border-color: var(--c-primary); }

.copy-box { position: relative; cursor: pointer; display: flex; align-items: center; justify-content: space-between; overflow: hidden; }
.copy-box code { flex: 1; }
.copy-icon { opacity: 0.5; margin-inline-start: 1rem; }
.copy-msg {
  position: absolute; inset: 0; background: var(--c-success); color: #fff; display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden; transition: 0.2s;
}
.copy-box.copied .copy-msg { opacity: 1; visibility: visible; }

.flex-between { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.footer { padding: 4rem 0; text-align: center; color: var(--c-text-muted); border-top: 1px solid var(--c-border); margin-top: 4rem; background: #fff; font-size: 0.9rem; }

/* --- Featured Section (Clean & Light Design) --- */
.featured-section {
    margin: 4rem 0 5rem;
    text-align: center;
}
.featured-label {
    font-family: 'Inter', system-ui, sans-serif;
    font-weight: 300;
    text-transform: uppercase;
    letter-spacing: 4px;
    font-size: 0.95rem;
    color: var(--c-text-muted);
    margin-bottom: 2.5rem;
    display: inline-block;
    border: none;
    padding: 0;
    background: transparent;
    opacity: 0.8;
    position: relative;
}
.featured-label::after {
    content: '✨';
    display: block;
    font-size: 0.8rem;
    margin-top: 0.5rem;
    opacity: 0.5;
}
.feat-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}
@media(max-width: 900px) {
    .feat-grid { grid-template-columns: repeat(2, 1fr); }
}
@media(max-width: 500px) {
    .feat-grid { grid-template-columns: 1fr; }
}
.feat-card {
    position: relative;
    aspect-ratio: 1/1;
    overflow: hidden;
    border-radius: 24px;
    /* Clean look: No border, no initial shadow, transparent bg */
    box-shadow: none;
    border: none;
    background: transparent;
    transition: transform 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
    -webkit-mask-image: -webkit-radial-gradient(white, black); /* Fix border-radius overflow */
}
.feat-card:hover {
    transform: translateY(-10px);
    z-index: 5;
}
.feat-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.7s ease, filter 0.5s ease;
    filter: brightness(0.95);
}
.feat-card:hover .feat-img {
    transform: scale(1.1);
    filter: brightness(1.05);
}
.feat-info {
    position: absolute;
    bottom: 0; left: 0; right: 0;
    padding: 2rem 1.5rem 1.5rem;
    /* Very subtle gradient */
    background: linear-gradient(to top, rgba(0,0,0,0.6) 0%, rgba(0,0,0,0.3) 50%, transparent 100%);
    color: #fff;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.4s ease-out;
    text-align: center;
    display: flex;
    align-items: flex-end;
    justify-content: center;
}
.feat-info strong {
    font-weight: 500;
    letter-spacing: 0.5px;
    font-size: 1.1rem;
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}
.feat-card:hover .feat-info {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 900px) {
  .header { padding: 0 1.25rem; }
  .menu-btn { display: flex; }
  .nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: rgba(255,255,255,0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    height: auto;
    padding: 1rem 0;
    border-bottom: 1px solid var(--c-border);
    gap: 0;
    display: none;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    transform: translateY(-10px);
    opacity: 0;
    transition: all 0.3s ease;
  }
  
  .nav-link {
    width: 100%;
    padding: 1rem 2rem;
    height: auto;
    border-bottom: 1px solid var(--c-bg);
    border-left: 2px solid transparent;
  }
  .nav-link:hover, .nav-link.active {
      background: var(--c-bg);
      border-left-color: var(--c-primary);
      border-bottom-color: var(--c-bg);
  }
  
  #menu-toggle:checked ~ .nav {
    display: flex;
    transform: translateY(0);
    opacity: 1;
  }
  #menu-toggle:checked + .menu-btn .icon-bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }
  #menu-toggle:checked + .menu-btn .icon-bar:nth-child(2) {
    opacity: 0;
  }
  #menu-toggle:checked + .menu-btn .icon-bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }

  .search-wrapper { flex-direction: column; padding: 1rem; gap: 1rem; }
  .search-actions { width: 100%; display: grid; grid-template-columns: 1fr 1fr; }
  .search-btn-hero { width: 100%; }
}