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

:root {
  --bg: #fafafa;
  --text: #1a1a1a;
  --text-secondary: #666;
  --card-shadow: rgba(0,0,0,.08);
  --transition: .3s ease;
}

[data-theme="dark"] {
  --bg: #111;
  --text: #eee;
  --text-secondary: #999;
  --card-shadow: rgba(0,0,0,.4);
}

html {
  scroll-behavior: smooth;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  transition: background var(--transition), color var(--transition);
}

body { overflow-x: hidden; }

/* ── Theme toggle ── */
.theme-toggle, .lang-toggle {
  position: fixed;
  z-index: 100;
  top: 1.2rem;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--text-secondary);
  border-radius: 2rem;
  padding: .45rem .9rem;
  font-size: .85rem;
  cursor: pointer;
  transition: all var(--transition);
  opacity: .7;
}
.theme-toggle:hover, .lang-toggle:hover { opacity: 1; }
.theme-toggle { right: 1.5rem; }
.lang-toggle  { right: 5.5rem; }

/* ── Carousel ── */
.carousel {
  width: 100%;
  height: 33.33vh;
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  cursor: grab;
  padding: 1.5rem 0 1.5rem 1.5rem;
}
.carousel::-webkit-scrollbar { display: none; }
.carousel:active { cursor: grabbing; }

.carousel-track {
  display: flex;
  gap: 1rem;
  height: 100%;
  width: max-content;
  will-change: transform;
}

.card {
  flex: 0 0 auto;
  height: 100%;
  aspect-ratio: 4/3;
  border-radius: 1rem;
  overflow: hidden;
  box-shadow: 0 4px 20px var(--card-shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}
.card:hover {
  transform: scale(1.03);
  box-shadow: 0 8px 30px var(--card-shadow);
}
.card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  cursor: pointer;
  transition: transform .6s ease;
}
.card:hover img { transform: scale(1.05); }

/* ── Hero ── */
.hero {
  padding: 4rem 2rem 2rem;
}
.hero h1 {
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 700;
  letter-spacing: -.03em;
  line-height: 1.1;
}

/* ── About ── */
.about {
  padding: 2rem 2rem 6rem;
  max-width: 640px;
}
.about p {
  font-size: clamp(1rem, 2vw, 1.25rem);
  line-height: 1.7;
  color: var(--text-secondary);
  transition: color var(--transition);
}
.instagram-link {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  margin-top: 1.5rem;
  color: var(--text);
  text-decoration: none;
  font-size: 1rem;
  opacity: .7;
  transition: opacity var(--transition);
}
.instagram-link:hover { opacity: 1; }

/* ── Lightbox ── */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(0,0,0,.92);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s ease;
}
.lightbox.active {
  opacity: 1;
  pointer-events: all;
}
.lightbox img {
  max-width: 90vw;
  max-height: 90vh;
  border-radius: .5rem;
  object-fit: contain;
  transition: transform .3s ease;
}
.lightbox-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  background: none;
  border: none;
  color: #fff;
  font-size: 2.5rem;
  cursor: pointer;
  line-height: 1;
  opacity: .7;
  transition: opacity .2s;
}
.lightbox-close:hover { opacity: 1; }

.lightbox-prev, .lightbox-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: #fff;
  font-size: 3rem;
  cursor: pointer;
  opacity: .5;
  transition: opacity .2s;
  padding: 1rem;
}
.lightbox-prev:hover, .lightbox-next:hover { opacity: 1; }
.lightbox-prev { left: 1rem; }
.lightbox-next { right: 1rem; }

/* ── Mobile ── */
@media (max-width: 768px) {
  .carousel {
    height: 28vh;
    padding: 1rem 0 1rem 1rem;
  }
  .carousel-track { gap: .75rem; }
  .card { border-radius: .75rem; }
  .hero { padding: 2.5rem 1.25rem 1.5rem; }
  .about { padding: 1.5rem 1.25rem 4rem; }
  .theme-toggle { right: 1rem; top: .8rem; }
  .lang-toggle  { right: 4.5rem; top: .8rem; }
  .lightbox-prev, .lightbox-next { font-size: 2rem; }
}

@media (max-width: 480px) {
  .carousel { height: 24vh; }
  .card { aspect-ratio: 3/2; }
}