/* ============================================================
   ЮЛИЯ РОКИНА — Portfolio CSS
   ============================================================ */

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

/* === VARIABLES === */
:root {
  --bg: #F8F7F4;
  --text: #1C1C1A;
  --gray: #8A8A85;
  --border: #E2E0DA;
  --nav-h: 70px;
  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --ease: 0.3s ease;
}

/* === BASE === */
html { font-size: 16px; scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
body.page { padding-top: var(--nav-h); }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; }

/* ============================================================
   NAVIGATION
   ============================================================ */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 48px;
}

body.home nav {
  background: rgba(248,247,244,0.84);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
body.page nav {
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: 300;
  letter-spacing: 0.08em;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 0;
}

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text);
  transition: opacity var(--ease);
}
.nav-links a:hover { opacity: 0.45; }
.nav-links a.active { border-bottom: 1px solid var(--text); padding-bottom: 1px; }

/* Language switcher */
.lang-switcher {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: 24px;
  padding-left: 24px;
  border-left: 1px solid var(--border);
}

.lang-btn {
  background: none;
  border: none;
  font-family: var(--font-sans);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--gray);
  padding: 2px 1px;
  transition: color var(--ease);
}
.lang-btn:hover { color: var(--text); }
.lang-btn.active { color: var(--text); font-weight: 500; }
.lang-sep { color: var(--border); font-size: 11px; }

/* Mobile toggle */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  padding: 8px;
  flex-direction: column;
  gap: 5px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--text);
  transition: var(--ease);
}

/* ============================================================
   SLIDESHOW (Home) — landscape: single full-screen
                       portrait: two side by side
   ============================================================ */
.slideshow {
  position: fixed;
  inset: 0;
  z-index: 0;
  background: #1a1a18;
}

.slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1.5s ease-in-out;
}
.slide.active { opacity: 1; }

/* Landscape: single image fills the screen */
.slide.landscape img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Portrait pair: two images side by side */
.slide.portrait-pair {
  display: flex;
  align-items: center;
  justify-content: center;
}
.slide.portrait-pair img {
  width: 50%;
  height: 100%;
  object-fit: contain;
  flex-shrink: 0;
}

/* Slideshow navigation */
.slide-nav {
  position: fixed;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 16px;
}
.slide-arrow {
  background: none;
  border: none;
  color: rgba(255,255,255,0.55);
  font-size: 26px;
  line-height: 1;
  padding: 6px 10px;
  transition: color 0.2s;
}
.slide-arrow:hover { color: white; }
.slide-dots { display: flex; gap: 8px; }
.slide-dot {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: rgba(255,255,255,0.32);
  border: none;
  padding: 0;
  transition: background 0.3s, transform 0.3s;
}
.slide-dot.active {
  background: rgba(255,255,255,0.9);
  transform: scale(1.3);
}

/* ============================================================
   PROJECTS OVERVIEW (3 category cards)
   ============================================================ */
.categories {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  min-height: calc(100vh - var(--nav-h));
}
.category-card {
  position: relative;
  overflow: hidden;
  display: block;
}
.category-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 50vh;
  transition: transform 0.8s ease;
}
.category-card:hover .category-card-img { transform: scale(1.04); }
.category-card-label {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 48px 32px 32px;
  background: linear-gradient(transparent, rgba(0,0,0,0.6));
  color: white;
}
.category-card-label h2 {
  font-family: var(--font-serif);
  font-size: 26px;
  font-weight: 300;
  letter-spacing: 0.05em;
}
.category-card-label p {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.65;
  margin-top: 6px;
}

/* ============================================================
   SERIES GRID — object-fit: contain so nothing is cropped
   ============================================================ */
.page-header {
  padding: 40px 48px 32px;
  border-bottom: 1px solid var(--border);
}
.breadcrumb {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 10px;
}
.breadcrumb a { color: var(--gray); transition: color 0.2s; }
.breadcrumb a:hover { color: var(--text); }
.breadcrumb span { margin: 0 8px; }
.page-header h1 {
  font-family: var(--font-serif);
  font-size: 30px;
  font-weight: 300;
  letter-spacing: 0.04em;
}

.series-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  padding: 2px;
  margin-top: 2px;
}
.series-card {
  cursor: pointer;
  overflow: hidden;
  background: var(--bg);
}
.series-thumb {
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: #EDECEA; /* neutral so object is visible on all sides */
  display: flex;
  align-items: center;
  justify-content: center;
}
.series-thumb img {
  max-width: 100%;
  max-height: 100%;
  width: 100%;
  height: 100%;
  object-fit: contain; /* full object, no cropping */
  padding: 10px;
  transition: transform 0.7s ease;
}
.series-card:hover .series-thumb img { transform: scale(1.05); }
.series-name {
  padding: 10px 8px 14px;
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--text);
  background: var(--bg);
}

/* ============================================================
   PROJECT DETAIL PANEL
   ============================================================ */
.project-panel {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: #131311;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  display: flex;
  flex-direction: column;
}
.project-panel.open {
  opacity: 1;
  pointer-events: all;
}

.pp-body {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 300px;
  overflow: hidden;
  min-height: 0;
}

/* Gallery side */
.pp-gallery {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-right: 1px solid rgba(255,255,255,0.07);
}
.pp-img-wrap {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 88px;
}
.pp-img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  pointer-events: none;
  user-select: none;
}
.pp-prev, .pp-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: rgba(255,255,255,0.28);
  font-size: 52px;
  line-height: 1;
  padding: 16px 20px;
  transition: color 0.2s;
  z-index: 2;
}
.pp-prev:hover, .pp-next:hover { color: rgba(255,255,255,0.85); }
.pp-prev { left: 0; }
.pp-next { right: 0; }

/* Info side */
.pp-info {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.pp-info-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding: 28px 24px 20px;
  border-bottom: 1px solid rgba(255,255,255,0.07);
  flex-shrink: 0;
}
.pp-title {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 300;
  letter-spacing: 0.06em;
  color: rgba(255,255,255,0.85);
  line-height: 1.3;
}
.pp-close {
  background: none;
  border: none;
  color: rgba(255,255,255,0.4);
  font-size: 28px;
  line-height: 1;
  padding: 0 4px;
  flex-shrink: 0;
  transition: color 0.2s;
}
.pp-close:hover { color: white; }

.pp-fields {
  flex: 1;
  overflow-y: auto;
  padding: 20px 24px 24px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.pp-field label {
  display: block;
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.32);
  margin-bottom: 5px;
}
.pp-field p {
  font-size: 14px;
  color: rgba(255,255,255,0.68);
  line-height: 1.75;
}

/* Thumbnail strip */
.pp-thumbs {
  display: flex;
  gap: 3px;
  padding: 10px 12px;
  overflow-x: auto;
  border-top: 1px solid rgba(255,255,255,0.06);
  flex-shrink: 0;
  scrollbar-width: none;
}
.pp-thumbs::-webkit-scrollbar { display: none; }
.pp-thumb {
  width: 54px;
  height: 54px;
  object-fit: cover;
  opacity: 0.4;
  cursor: pointer;
  flex-shrink: 0;
  border: 2px solid transparent;
  transition: opacity 0.2s, border-color 0.2s;
}
.pp-thumb.active { opacity: 1; border-color: rgba(255,255,255,0.45); }
.pp-thumb:hover { opacity: 0.8; }

/* ============================================================
   ABOUT
   ============================================================ */
.about-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: calc(100vh - var(--nav-h));
}
.about-image { overflow: hidden; }
.about-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
}
.about-text {
  padding: 56px 64px 56px;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  max-height: calc(100vh - var(--nav-h));
}
.about-text h1 {
  font-family: var(--font-serif);
  font-size: 36px;
  font-weight: 300;
  letter-spacing: 0.04em;
  margin-bottom: 28px;
  flex-shrink: 0;
}

/* Tab nav */
.about-tabs {
  display: flex;
  gap: 28px;
  flex-shrink: 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 32px;
}
.about-tab {
  background: none;
  border: none;
  padding: 0 0 14px;
  font-family: var(--font-sans);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray);
  cursor: pointer;
  position: relative;
}
.about-tab.active { color: var(--text); }
.about-tab.active::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--text);
}

/* Language content blocks */
body[data-lang="en"] .lang-ru { display: none; }
body:not([data-lang="en"]) .lang-en { display: none; }

/* Tab sections */
.about-section { display: none; }
.about-section.active { display: block; }
.about-section p {
  font-size: 15px;
  line-height: 1.85;
  color: var(--text);
  margin-bottom: 18px;
  max-width: 460px;
}
.about-section p:last-child { margin-bottom: 0; }

/* CV */
.cv-block { margin-bottom: 36px; }
.cv-block h3 {
  font-family: var(--font-sans);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 14px;
}
.cv-entry {
  display: flex;
  gap: 20px;
  margin-bottom: 8px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text);
}
.cv-year {
  flex-shrink: 0;
  width: 72px;
  color: var(--gray);
  font-size: 12px;
}
.cv-entry a {
  color: inherit;
  text-decoration: underline;
  text-decoration-color: var(--border);
  text-underline-offset: 3px;
  transition: text-decoration-color 0.2s;
}
.cv-entry a:hover { text-decoration-color: var(--text); }

/* ============================================================
   CONTACTS
   ============================================================ */
.contacts-layout {
  max-width: 640px;
  margin: 0 auto;
  padding: 80px 48px 120px;
}
.contacts-layout h1 {
  font-family: var(--font-serif);
  font-size: 36px;
  font-weight: 300;
  letter-spacing: 0.04em;
  margin-bottom: 56px;
}
.contact-item {
  display: flex;
  gap: 28px;
  align-items: baseline;
  padding: 18px 0;
  border-bottom: 1px solid var(--border);
}
.contact-label {
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gray);
  min-width: 90px;
}
.contact-value { font-size: 15px; }
.contact-value a { transition: opacity 0.2s; }
.contact-value a:hover { opacity: 0.5; }

/* ============================================================
   SHOP / МАГАЗИН
   ============================================================ */
.shop-header {
  padding: 40px 48px 32px;
  border-bottom: 1px solid var(--border);
}
.shop-header h1 {
  font-family: var(--font-serif);
  font-size: 30px;
  font-weight: 300;
  letter-spacing: 0.04em;
}
.shop-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
  padding: 2px;
  margin-top: 2px;
}
.shop-empty {
  grid-column: 1 / -1;
  padding: 140px 48px;
  text-align: center;
}
.shop-empty p {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 300;
  color: var(--gray);
  letter-spacing: 0.08em;
}

/* ============================================================
   PLACEHOLDER
   ============================================================ */
.placeholder-page {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - var(--nav-h));
  text-align: center;
  padding: 48px;
}
.placeholder-page p {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 300;
  color: var(--gray);
  letter-spacing: 0.08em;
}

/* ============================================================
   FOOTER
   ============================================================ */
footer {
  padding: 36px 48px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer-copy { font-size: 11px; color: var(--gray); letter-spacing: 0.08em; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1100px) {
  .series-grid { grid-template-columns: repeat(2, 1fr); }
  .shop-grid { grid-template-columns: repeat(3, 1fr); }
  .pp-body { grid-template-columns: 1fr 260px; }
}

@media (max-width: 768px) {
  nav { padding: 0 20px; }

  .nav-links {
    display: none;
    position: fixed;
    top: var(--nav-h);
    left: 0; right: 0;
    background: var(--bg);
    flex-direction: column;
    padding: 16px 0;
    gap: 0;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 8px 24px rgba(0,0,0,0.06);
    z-index: 999;
  }
  .nav-links.open { display: flex; }
  .nav-links li { border-bottom: 1px solid var(--border); }
  .nav-links a { display: block; padding: 14px 24px; }

  .lang-switcher {
    margin-left: 0;
    padding-left: 0;
    border-left: none;
  }
  .nav-toggle { display: flex; margin-left: 16px; }

  .categories { grid-template-columns: 1fr; }
  .category-card, .category-card.empty { min-height: 40vh; }

  .series-grid { grid-template-columns: repeat(2, 1fr); }
  .page-header { padding: 28px 20px 20px; }
  .page-header h1 { font-size: 22px; }
  .breadcrumb { font-size: 10px; }

  .about-layout { grid-template-columns: 1fr; }
  .about-image { height: 60vw; min-height: 280px; }
  .about-text { padding: 36px 24px 48px; max-height: none; overflow-y: visible; }
  .about-text h1 { font-size: 28px; margin-bottom: 20px; }

  .contacts-layout { padding: 48px 20px 80px; }
  .contacts-layout h1 { font-size: 26px; margin-bottom: 36px; }

  .shop-header { padding: 28px 20px 20px; }
  .shop-grid { grid-template-columns: repeat(2, 1fr); }

  /* Project panel — stack on mobile */
  .pp-body {
    grid-template-columns: 1fr;
    grid-template-rows: 55vh 1fr;
  }
  .pp-gallery { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.07); }
  .pp-img-wrap { padding: 24px 56px; }
  .pp-prev { left: 0; padding: 12px; font-size: 36px; }
  .pp-next { right: 0; padding: 12px; font-size: 36px; }
  .pp-info { overflow-y: auto; }

  /* Portrait pair on mobile — show first image full-screen */
  .slide.portrait-pair img:nth-child(2) { display: none; }
  .slide.portrait-pair img { width: 100%; height: 100%; object-fit: cover; }

  /* Slideshow dots — bigger tap targets */
  .slide-dot { width: 7px; height: 7px; }
  .slide-dots { gap: 14px; }

  /* About tabs — prevent overflow on narrow screens */
  .about-tabs { gap: 14px; }
  .about-tab { font-size: 10px; letter-spacing: 0.08em; }

  /* Project panel — compact padding, larger tap targets */
  .pp-img-wrap { padding: 16px 52px; }
  .pp-info-header { padding: 18px 16px 14px; }
  .pp-close {
    font-size: 24px;
    min-width: 44px;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .pp-fields { padding: 16px 16px 20px; gap: 14px; }
  .pp-thumbs { padding: 8px 10px; }
  .pp-thumb { width: 46px; height: 46px; }

  footer { padding: 28px 20px; flex-direction: column; gap: 8px; }
}

@media (max-width: 480px) {
  .series-grid { grid-template-columns: 1fr; }
  .shop-grid { grid-template-columns: 1fr; }

  /* CV entries — stack year above text */
  .cv-entry { flex-direction: column; gap: 2px; }
  .cv-year { width: auto; font-size: 11px; }
  .cv-block { margin-bottom: 28px; }

  /* About tabs — wrap if needed */
  .about-tabs { flex-wrap: wrap; gap: 0; border-bottom: none; }
  .about-tab {
    padding: 10px 14px 10px 0;
    border-bottom: 1px solid var(--border);
    width: 100%;
    text-align: left;
  }
  .about-tab.active::after { display: none; }
  .about-tab.active { border-bottom-color: var(--text); }
}