/* ============================================================
   photo.pilotarbuza.com — Photography Portfolio
   Colors: Palette from pilotarbuza.ru (#212121, #0E6466, #FFCA9D, #D9AF8E)
   UI: Modern minimalist editorial aesthetic like pilotarbuza.com
   ============================================================ */

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

:root {
  --bg: #212121;
  --bg-deep: #161616;
  --bg-surface: #292929;
  --bg-surface-elevated: #323232;
  --teal: #0E6466;
  --teal-light: #168183;
  --teal-glow: rgba(14, 100, 102, 0.45);
  --teal-subtle: rgba(14, 100, 102, 0.15);
  --sand: #D9AF8E;
  --apricot: #FFCA9D;
  --white: #FFFFFF;
  --text-muted: #A9A9A9;
  --text-dim: #707070;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);
  --border-teal: rgba(14, 100, 102, 0.4);
  --border-apricot: rgba(255, 202, 157, 0.4);
  --shadow-card: 0 16px 36px rgba(0, 0, 0, 0.4);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-pill: 9999px;
  --max-w: 1440px;
  --font-main: 'Geologica', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  background-color: var(--bg);
  color: var(--white);
  font-family: var(--font-main);
  font-size: 16px;
  line-height: 1.5;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  background-color: var(--bg);
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

/* ---------- Typography & Utility ---------- */
.mono {
  font-family: var(--font-mono);
  font-size: 0.85em;
  letter-spacing: 0.04em;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(33, 33, 33, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: background 0.3s var(--ease), border-color 0.3s var(--ease);
}

.header-container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-badge {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  background: var(--teal);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 16px;
  border: 1px solid var(--border-teal);
  box-shadow: 0 4px 12px var(--teal-glow);
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-weight: 600;
  font-size: 17px;
  letter-spacing: -0.01em;
  color: var(--white);
}

.brand-desc {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* Header nav pills */
.nav-filters {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(22, 22, 22, 0.6);
  padding: 4px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border);
}

.filter-btn {
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  transition: all 0.2s var(--ease);
}

.filter-btn:hover {
  color: var(--white);
  background: rgba(255, 255, 255, 0.06);
}

.filter-btn.active {
  background: var(--teal);
  color: var(--white);
  box-shadow: 0 2px 8px var(--teal-glow);
}

.filter-btn .count {
  font-size: 11px;
  opacity: 0.75;
  margin-left: 4px;
}

/* Header actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.stat-pill {
  font-size: 12px;
  color: var(--apricot);
  background: rgba(255, 202, 157, 0.1);
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255, 202, 157, 0.2);
}

.link-home {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  transition: all 0.2s;
  display: flex;
  align-items: center;
  gap: 4px;
}

.link-home:hover {
  color: var(--apricot);
  background: rgba(255, 255, 255, 0.05);
}

/* ---------- Hero Section ---------- */
.hero {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 56px 24px 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--sand);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 600;
}

.hero-tag::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--teal-light);
  box-shadow: 0 0 8px var(--teal);
}

.hero-title {
  font-size: clamp(32px, 5vw, 60px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.08;
  color: var(--white);
  max-width: 900px;
}

.hero-title span {
  color: var(--sand);
}

.hero-lead {
  font-size: clamp(16px, 1.8vw, 19px);
  color: var(--text-muted);
  max-width: 720px;
  line-height: 1.6;
}

/* ---------- Main Grid Section ---------- */
.main-content {
  flex: 1;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 16px 24px 80px;
  width: 100%;
}

.view-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.view-title {
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  font-weight: 600;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 24px;
  transition: opacity 0.3s var(--ease);
}

/* ---------- Project Card ---------- */
.project-card {
  position: relative;
  background: var(--bg-surface);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border);
  cursor: pointer;
  transition: transform 0.35s var(--ease), border-color 0.35s var(--ease), box-shadow 0.35s var(--ease);
  aspect-ratio: 16 / 11;
  display: flex;
  flex-direction: column;
}

.project-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-apricot);
  box-shadow: var(--shadow-card), 0 0 20px rgba(14, 100, 102, 0.2);
}

.project-card .card-media {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: var(--bg-deep);
}

.project-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease), filter 0.6s var(--ease);
}

.project-card:hover img {
  transform: scale(1.04);
  filter: brightness(1.05);
}

.project-card .card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(22, 22, 22, 0.2) 0%,
    rgba(22, 22, 22, 0.1) 40%,
    rgba(22, 22, 22, 0.88) 85%,
    rgba(22, 22, 22, 0.98) 100%
  );
  pointer-events: none;
}

.project-card .card-content {
  position: relative;
  margin-top: auto;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 2;
}

.card-top {
  position: absolute;
  top: 16px;
  left: 16px;
  right: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 2;
}

.badge-category {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  background: rgba(14, 100, 102, 0.85);
  color: var(--white);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border-teal);
}

.badge-frames {
  font-size: 11px;
  font-weight: 500;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  background: rgba(0, 0, 0, 0.6);
  color: var(--apricot);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 202, 157, 0.2);
}

.card-title {
  font-size: 22px;
  font-weight: 600;
  color: var(--white);
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.card-desc {
  font-size: 13px;
  color: var(--text-muted);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.45;
}

/* ---------- Project Roll View (Detail) ---------- */
.project-roll-view {
  display: none;
  animation: fadeIn 0.3s var(--ease);
}

.project-roll-view.active {
  display: block;
}

.roll-header {
  margin-bottom: 36px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.btn-back {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border);
  font-size: 13px;
  font-weight: 500;
  color: var(--white);
  transition: all 0.2s;
}

.btn-back:hover {
  background: var(--teal);
  border-color: var(--border-teal);
  box-shadow: 0 4px 12px var(--teal-glow);
}

.roll-meta {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.roll-title {
  font-size: clamp(32px, 4.5vw, 54px);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--white);
}

.roll-tags {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--text-muted);
}

.roll-tags .roll-cat {
  color: var(--sand);
  text-transform: uppercase;
  font-weight: 600;
  letter-spacing: 0.06em;
}

.roll-desc {
  font-size: 16px;
  color: var(--text-muted);
  max-width: 800px;
  line-height: 1.6;
}

/* Photo Gallery Columns (Masonry effect) */
.gallery-masonry {
  column-count: 3;
  column-gap: 20px;
}

@media (max-width: 1080px) {
  .gallery-masonry {
    column-count: 2;
  }
}

@media (max-width: 640px) {
  .gallery-masonry {
    column-count: 1;
  }
}

.photo-item {
  break-inside: avoid;
  margin-bottom: 20px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  cursor: zoom-in;
  position: relative;
  transition: transform 0.25s var(--ease), border-color 0.25s;
}

.photo-item:hover {
  transform: translateY(-2px);
  border-color: var(--border-teal);
}

.photo-item img {
  width: 100%;
  height: auto;
  display: block;
  background: #1a1a1a;
  transition: filter 0.3s;
}

.photo-item:hover img {
  filter: brightness(1.03);
}

/* ---------- Fullscreen Lightbox ---------- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(14, 14, 14, 0.96);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  display: none;
  flex-direction: column;
  opacity: 0;
  transition: opacity 0.25s var(--ease);
}

.lightbox.active {
  display: flex;
  opacity: 1;
}

.lightbox-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
  color: var(--white);
  z-index: 10;
}

.lb-title-group {
  display: flex;
  align-items: center;
  gap: 16px;
}

.lb-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--white);
}

.lb-counter {
  font-size: 12px;
  color: var(--apricot);
  background: rgba(255, 202, 157, 0.12);
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255, 202, 157, 0.25);
}

.lb-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

.lb-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  transition: all 0.2s;
}

.lb-btn:hover {
  background: var(--teal);
  border-color: var(--border-teal);
  box-shadow: 0 0 12px var(--teal-glow);
}

.lightbox-stage {
  flex: 1;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  overflow: hidden;
  user-select: none;
}

.lightbox-img-wrapper {
  max-width: 92vw;
  max-height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.lightbox-img {
  max-width: 100%;
  max-height: 85vh;
  object-fit: contain;
  border-radius: var(--radius-sm);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.8);
  transition: opacity 0.2s var(--ease), transform 0.2s var(--ease);
}

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(30, 30, 30, 0.7);
  border: 1px solid var(--border);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  z-index: 10;
  transition: all 0.2s;
  backdrop-filter: blur(8px);
}

.lightbox-nav:hover {
  background: var(--teal);
  border-color: var(--border-teal);
}

.lightbox-prev {
  left: 24px;
}

.lightbox-next {
  right: 24px;
}

/* ---------- Footer ---------- */
.site-footer {
  margin-top: auto;
  border-top: 1px solid var(--border);
  background: rgba(22, 22, 22, 0.8);
  padding: 32px 24px;
}

.footer-container {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  font-size: 13px;
  color: var(--text-dim);
}

.footer-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.footer-left span {
  color: var(--text-muted);
}

.footer-right a {
  color: var(--sand);
  transition: color 0.2s;
}

.footer-right a:hover {
  color: var(--apricot);
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Responsive queries */
@media (max-width: 840px) {
  .nav-filters {
    display: none; /* Mobile menu drawer or horizontal scroll */
  }
  .header-actions .stat-pill {
    display: none;
  }
  .projects-grid {
    grid-template-columns: 1fr;
  }
  .lightbox-prev {
    left: 8px;
  }
  .lightbox-next {
    right: 8px;
  }
}