/* =============================================
   Thomas Meldgaard — Photography Portfolio
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&display=swap');

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --header-height: 72px;
  --photo-gap: 0px;
  --overlay-opacity: 0.55;
  --transition-speed: 0.55s;
  --transition-ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

html, body {
  height: 100%;
  overflow: hidden;
}

body {
  font-family: 'Space Grotesk', system-ui, -apple-system, sans-serif;
  background: #ffffff;
  color: #111111;
  -webkit-font-smoothing: antialiased;
}

/* =============================================
   HEADER
   ============================================= */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: #ffffff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 36px;
  z-index: 100;
}

/* ── Logo ───────────────────────────────────── */

.site-logo {
  display: flex;
  flex-direction: column;
  gap: 4px;
  text-decoration: none;
}

.site-logo:hover {
  opacity: 0.7;
}

.logo-name {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #111111;
  line-height: 1;
}

.logo-subtitle {
  font-size: 0.58rem;
  font-weight: 300;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: #111111;
  line-height: 1;
}

/* ── Nav ────────────────────────────────────── */

.site-nav {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 400;
  letter-spacing: 0.02em;
  color: #111111;
  text-decoration: none;
  transition: opacity 0.2s ease;
  line-height: 1;
}

.nav-link:hover {
  opacity: 0.5;
}

.nav-link.active {
  text-decoration: underline;
  text-underline-offset: 5px;
  text-decoration-thickness: 1px;
}

.nav-instagram {
  display: flex;
  align-items: center;
}

.nav-instagram svg {
  display: block;
}

/* ── Dropdown ───────────────────────────────── */

.nav-dropdown-wrapper {
  position: relative;
  height: var(--header-height);
  display: flex;
  align-items: center;
}

.nav-dropdown {
  position: absolute;
  top: 100%;
  left: -16px;
  background: #ffffff;
  padding: 8px 0 12px;
  min-width: 148px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s ease;
  z-index: 200;
}

.nav-dropdown-wrapper:hover .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-dropdown-link {
  display: block;
  padding: 6px 20px;
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.03em;
  color: #111111;
  text-decoration: none;
  transition: opacity 0.15s ease;
  white-space: nowrap;
}

.nav-dropdown-link:hover {
  opacity: 0.5;
}

.nav-dropdown-link.active {
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-thickness: 1px;
}

/* =============================================
   CAROUSEL LAYOUT
   ============================================= */

.carousel-section {
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  align-items: center;
  background: #ffffff;
}

.carousel-viewport {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.carousel-track {
  display: flex;
  align-items: center;
  height: 100%;
  gap: var(--photo-gap);
  will-change: transform;
  opacity: 0;
}

.carousel-track.loaded {
  opacity: 1;
}

/* =============================================
   CAROUSEL ITEMS & PHOTOS
   ============================================= */

.carousel-item {
  flex-shrink: 0;
  height: 100%;
  position: relative;
  cursor: pointer;
}

.carousel-item img {
  height: 100%;
  width: auto;
  display: block;
  max-height: calc(100vh - var(--header-height));
  user-select: none;
  -webkit-user-drag: none;
  pointer-events: none;
  transition: filter 0.4s ease;
}

/* Dark overlay on non-active photos */
.carousel-item::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, var(--overlay-opacity));
  transition: opacity 0.4s ease;
  pointer-events: none;
}

.carousel-item.active::after {
  opacity: 0;
}

/* Suppress overlay transition during instant loop teleport — prevents blink */
.carousel-track.teleporting .carousel-item::after {
  transition: none !important;
}

/* =============================================
   ARROW BUTTONS
   ============================================= */

.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 20;
  background: rgba(255, 255, 255, 0.88);
  border: none;
  border-radius: 50%;
  width: 46px;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.2s ease, opacity 0.25s ease, transform 0.2s ease;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.carousel-btn:hover {
  background: rgba(255, 255, 255, 1);
  transform: translateY(-50%) scale(1.06);
}

.carousel-btn--prev { left: 22px; }
.carousel-btn--next { right: 22px; }

/* =============================================
   EMPTY STATE
   ============================================= */

.carousel-empty {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  color: #999;
  letter-spacing: 0.05em;
}

/* =============================================
   SUBCATEGORY GRID
   ============================================= */

.subcat-section {
  display: none;
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
}

.subcat-section.visible {
  display: flex;
  z-index: 90;
}

.subcat-grid {
  display: flex;
  flex-direction: row;
  width: 100%;
  height: 100%;
  gap: 3px;
}

.subcat-card {
  position: relative;
  display: block;
  text-decoration: none;
  overflow: hidden;
  flex: 1;
  background: #e8e8e8;
}

.subcat-card-img {
  width: 100%;
  height: 100%;
  transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  transform-origin: 50% 50%;
}

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

.subcat-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Gradient + label overlay */
.subcat-card-label {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 40px 20px 18px;
  background: linear-gradient(to top, rgba(0,0,0,0.62) 0%, transparent 100%);
  pointer-events: none;
}

.subcat-card-label-text {
  display: block;
  color: #ffffff;
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  opacity: 0;
}

@keyframes labelFadeUp {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0);    }
}

.subcat-card-label-text.animate {
  animation: labelFadeUp 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

/* =============================================
   CONTACT PAGE
   ============================================= */

.contact-section {
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-content {
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
}

.contact-name {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #111;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.contact-details a,
.contact-details span {
  display: block;
  font-size: 0.875rem;
  font-weight: 300;
  letter-spacing: 0.04em;
  color: #111;
  text-decoration: none;
}

.contact-details a:hover {
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-thickness: 1px;
}