/* ==========================================================================
   vnkdevelop Design System & Stylesheet
   Theme: Contemporary Digital Craft (Unbounded + Manrope + JetBrains Mono)
   ========================================================================== */

:root {
  /* Surfaces & Canvas */
  --bg-base: #0a0c10;
  --bg-surface: #12151c;
  --bg-surface-elevated: #181d26;
  --bg-surface-active: #202734;
  --bg-glass: rgba(16, 20, 27, 0.88);

  /* Color Palette - Warm Ochre & Subtle Sage */
  --accent-primary: #dfa863;
  --accent-light: #f0d5b0;
  --accent-dark: #b8823f;
  --accent-subtle: rgba(223, 168, 99, 0.12);
  --accent-border: rgba(223, 168, 99, 0.28);
  
  --secondary-mist: #8ea89d;
  --secondary-subtle: rgba(142, 168, 157, 0.12);

  /* Text & Contrast */
  --text-primary: #f4f5f7;
  --text-secondary: #9da3af;
  --text-muted: #6b7280;
  --text-inverse: #0a0c10;

  /* Borders & Shadows */
  --border-hairline: rgba(255, 255, 255, 0.08);
  --border-card: rgba(255, 255, 255, 0.06);
  --border-hover: rgba(223, 168, 99, 0.4);

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 18px 48px rgba(0, 0, 0, 0.6);
  --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.25);
  --shadow-card-hover: 0 14px 40px rgba(0, 0, 0, 0.55);

  /* Modern Font Stack */
  --font-display: 'Unbounded', sans-serif;
  --font-body: 'Manrope', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Radii */
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-pill: 9999px;

  /* Transitions */
  --transition-fast: 160ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 260ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 380ms cubic-bezier(0.16, 1, 0.3, 1);

  --container-max: 1240px;
}

/* ==========================================================================
   Reset & Base Styles
   ========================================================================== */

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

html {
  scroll-behavior: smooth;
  overflow-x: clip;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-base);
  color: var(--text-primary);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: clip;
  position: relative;
}

/* Atmospheric subtle noise & ambient radial */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  background-image: radial-gradient(circle at 60% -15%, rgba(223, 168, 99, 0.08) 0%, transparent 65%);
  z-index: 0;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

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

:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 3px;
}

/* Technical Monospace Micro-Elements */
.mono-accent {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  color: var(--accent-primary);
  text-transform: uppercase;
}

.mono-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.mono-text {
  font-family: var(--font-mono);
}

.section-container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 28px;
  position: relative;
  z-index: 1;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4.2vw, 3.2rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--text-primary);
  line-height: 1.15;
}

.section-desc {
  font-size: 1.08rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Primary Action Button */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 14px 32px;
  border-radius: var(--radius-pill);
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  transition: transform var(--transition-normal), background-color var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-normal);
  will-change: transform;
}

.btn-primary {
  background-color: var(--accent-primary);
  color: var(--text-inverse);
  border: 1px solid var(--accent-primary);
  box-shadow: 0 4px 18px rgba(223, 168, 99, 0.25);
}

.btn-primary:hover {
  background-color: var(--accent-light);
  border-color: var(--accent-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(223, 168, 99, 0.38);
}

.btn-large {
  padding: 18px 42px;
  font-size: 1.05rem;
}

/* ==========================================================================
   Header
   ========================================================================== */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 76px;
  background-color: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-hairline);
  z-index: 100;
  transition: transform var(--transition-fast);
}

.header-container {
  max-width: var(--container-max);
  height: 100%;
  margin: 0 auto;
  padding: 0 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.04em;
  color: var(--text-primary);
}

.logo-symbol {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--accent-primary);
  font-weight: 600;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 34px;
}

.nav-item {
  font-family: var(--font-body);
  font-size: 0.94rem;
  font-weight: 600;
  color: var(--text-secondary);
  position: relative;
  padding: 6px 2px;
  transition: color var(--transition-fast);
}

.nav-item:hover, .nav-item.active {
  color: var(--text-primary);
}

.nav-item.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--accent-primary);
  border-radius: 2px;
}

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

.btn-header-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-hairline);
  color: var(--text-primary);
  padding: 8px 20px;
  border-radius: var(--radius-pill);
  font-family: var(--font-display);
  font-size: 0.84rem;
  font-weight: 700;
  transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.btn-header-cta:hover {
  background-color: var(--bg-surface-active);
  border-color: var(--border-hover);
  color: var(--accent-primary);
}

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 40px;
  height: 40px;
  padding: 8px;
  border-radius: var(--radius-sm);
  background-color: var(--bg-surface);
  border: 1px solid var(--border-hairline);
}

.hamburger-bar {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--text-primary);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

/* Mobile Drawer */
.mobile-drawer {
  display: none;
  position: fixed;
  top: 76px;
  left: 0;
  width: 100%;
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-hairline);
  padding: 28px;
  z-index: 99;
  box-shadow: var(--shadow-md);
  transform: translateY(-100%);
  opacity: 0;
  pointer-events: none;
  transition: transform var(--transition-normal), opacity var(--transition-normal);
}

.mobile-drawer.open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.drawer-nav {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.drawer-link {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  padding: 10px 0;
  border-bottom: 1px solid var(--border-hairline);
}

.drawer-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background-color: var(--accent-primary);
  color: var(--text-inverse);
  border-radius: var(--radius-pill);
  padding: 14px 24px;
  margin-top: 10px;
  border-bottom: none;
}

/* ==========================================================================
   Hero Section: Modern Asymmetric Composition
   ========================================================================== */

.hero-section {
  position: relative;
  min-height: 88vh;
  display: flex;
  align-items: center;
  padding: 140px 0 80px 0;
  overflow: hidden;
}

.hero-backdrop-glow {
  position: absolute;
  top: 35%;
  left: 45%;
  transform: translate(-50%, -50%);
  width: 650px;
  height: 320px;
  background: radial-gradient(ellipse at center, rgba(223, 168, 99, 0.12) 0%, rgba(142, 168, 157, 0.05) 50%, transparent 80%);
  filter: blur(50px);
  pointer-events: none;
  z-index: 0;
}

.hero-grid-container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 28px;
  display: grid;
  grid-template-columns: 1.35fr 0.85fr;
  gap: 56px;
  align-items: center;
  position: relative;
  z-index: 1;
}

/* Left Hero Column */
.hero-main-column {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
}

.hero-tag-strip {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}

.mono-badge {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent-primary);
  background-color: var(--accent-subtle);
  border: 1px solid var(--accent-border);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
}

.meta-tag {
  font-family: var(--font-body);
  font-size: 0.88rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.75rem, 5vw, 4.4rem);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -0.04em;
  color: var(--text-primary);
  margin-bottom: 24px;
}

.highlight-text {
  color: var(--accent-primary);
  position: relative;
  display: inline-block;
}

.hero-subtitle {
  font-family: var(--font-body);
  font-size: clamp(1.1rem, 1.6vw, 1.28rem);
  color: var(--text-secondary);
  line-height: 1.65;
  max-width: 600px;
  margin-bottom: 38px;
  font-weight: 400;
}

.hero-action-row {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Right Hero Column: Bento Highlights */
.hero-side-column {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.hero-bento-card {
  background-color: rgba(18, 21, 28, 0.72);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 28px;
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-normal), border-color var(--transition-fast), background-color var(--transition-fast);
}

.hero-bento-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-hover);
  background-color: rgba(24, 29, 38, 0.85);
}

.bento-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.bento-index {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--accent-primary);
  font-weight: 600;
  letter-spacing: 0.05em;
}

.bento-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background-color: var(--accent-subtle);
  color: var(--accent-primary);
}

.bento-title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.bento-desc {
  font-family: var(--font-body);
  font-size: 0.94rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

/* ==========================================================================
   About Section: Full Atmospheric Background with обо мне.webp
   ========================================================================== */

.about-section {
  position: relative;
  padding: 120px 0;
  border-top: 1px solid var(--border-hairline);
  border-bottom: 1px solid var(--border-hairline);
  background-image: 
    linear-gradient(180deg, var(--bg-base) 0%, rgba(10, 12, 16, 0.78) 20%, rgba(10, 12, 16, 0.78) 80%, var(--bg-base) 100%),
    url('обо мне.webp');
  background-position: center center;
  background-size: cover;
  background-repeat: no-repeat;
}

.about-card-container {
  max-width: 960px;
  margin: 0 auto;
  background: rgba(18, 21, 28, 0.82);
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: var(--radius-xl);
  padding: 60px 52px;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow: var(--shadow-lg);
  text-align: center;
}

.about-header-row {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  margin-bottom: 28px;
}

.about-headline {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 4.2vw, 3.2rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--text-primary);
}

.about-main-text {
  font-family: var(--font-body);
  font-size: 1.2rem;
  color: var(--text-primary);
  line-height: 1.85;
  font-weight: 400;
  max-width: 800px;
  margin: 0 auto 46px auto;
}

/* Distinctive Skill Blocks */
.skills-highlight-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  justify-content: center;
}

.skill-tile {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 22px 14px;
  background-color: rgba(24, 29, 38, 0.65);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-md);
  transition: transform var(--transition-normal), border-color var(--transition-fast), background-color var(--transition-fast);
}

.skill-tile:hover {
  transform: translateY(-4px);
  border-color: var(--border-hover);
  background-color: var(--bg-surface-active);
}

.skill-tile-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  background-color: var(--accent-subtle);
  color: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.skill-tile-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
}

.skill-tile-tag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: var(--secondary-mist);
  font-weight: 600;
}

.skill-tile-name {
  font-family: var(--font-display);
  font-size: 0.98rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  text-align: center;
  line-height: 1.3;
}

/* ==========================================================================
   Portfolio / Works Section
   ========================================================================== */

.portfolio-section {
  padding: 110px 0;
}

.portfolio-header-block {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 32px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.portfolio-header-left {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* Filter Controls with Monospace Badges */
.filters-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 52px;
}

.filter-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background-color: var(--bg-surface);
  color: var(--text-secondary);
  border: 1px solid var(--border-hairline);
  padding: 11px 24px;
  border-radius: var(--radius-pill);
  font-family: var(--font-body);
  font-size: 0.94rem;
  font-weight: 600;
  transition: all var(--transition-fast);
}

.filter-count {
  font-size: 0.78rem;
  background-color: rgba(255, 255, 255, 0.08);
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  color: var(--text-muted);
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  background-color: var(--bg-surface-elevated);
  color: var(--text-primary);
  border-color: var(--border-hover);
}

.filter-btn.active {
  background-color: var(--accent-primary);
  color: var(--text-inverse);
  border-color: var(--accent-primary);
  font-weight: 700;
  box-shadow: 0 4px 16px rgba(223, 168, 99, 0.28);
}

.filter-btn.active .filter-count {
  background-color: rgba(0, 0, 0, 0.22);
  color: var(--text-inverse);
}

/* Gallery Grid (No stretching, clean alignment) */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  align-items: start;
  transition: opacity var(--transition-fast);
}

/* Gallery Cards */
.gallery-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-self: start;
  height: auto;
  cursor: pointer;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-fast);
  position: relative;
  will-change: transform;
}

.gallery-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-hover);
  box-shadow: var(--shadow-card-hover);
}

.gallery-card.hidden {
  display: none !important;
}

/* Media Containers */
.card-media {
  position: relative;
  width: 100%;
  background-color: #0d1017;
  overflow: hidden;
}

.format-standard .card-media {
  aspect-ratio: 16 / 10;
}

.format-product .card-media {
  aspect-ratio: 4 / 5;
}

.format-preview .card-media {
  aspect-ratio: 16 / 9;
}

.format-panorama {
  grid-column: span 2;
}

.format-panorama .card-media {
  aspect-ratio: 21 / 9;
}

.card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-smooth);
}

.gallery-card:hover .card-img {
  transform: scale(1.04);
}

.card-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  background-color: rgba(16, 20, 27, 0.86);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border-hairline);
  color: var(--accent-light);
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  padding: 4px 11px;
  border-radius: var(--radius-pill);
  z-index: 2;
}

.card-hover-action {
  position: absolute;
  inset: 0;
  background-color: rgba(10, 12, 16, 0.45);
  backdrop-filter: blur(2px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-fast);
  z-index: 3;
}

.gallery-card:hover .card-hover-action {
  opacity: 1;
}

.zoom-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: var(--accent-primary);
  color: var(--text-inverse);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.4);
  transform: scale(0.85);
  transition: transform var(--transition-normal);
}

.gallery-card:hover .zoom-btn {
  transform: scale(1);
}

.card-body {
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  background-color: var(--bg-surface);
  border-top: 1px solid var(--border-hairline);
  flex-grow: 0;
}

.card-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.card-year {
  color: var(--accent-primary);
  font-weight: 500;
}

.card-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--text-primary);
}

/* ==========================================================================
   Contacts Section (Minimalist Statement)
   ========================================================================== */

.contacts-section {
  padding: 100px 0 120px 0;
  border-top: 1px solid var(--border-hairline);
}

.contact-cta-card {
  position: relative;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-xl);
  padding: 68px 32px;
  text-align: center;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.cta-glow-bg {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 480px;
  height: 260px;
  background: radial-gradient(ellipse, rgba(223, 168, 99, 0.12) 0%, transparent 70%);
  filter: blur(45px);
  pointer-events: none;
}

.cta-inner {
  position: relative;
  max-width: 640px;
  margin: 0 auto;
  z-index: 1;
}

.cta-heading {
  font-family: var(--font-display);
  font-size: clamp(2.3rem, 4.2vw, 3.3rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--text-primary);
  margin: 12px 0 34px 0;
  line-height: 1.2;
}

.cta-action-group {
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  padding: 38px 0;
  border-top: 1px solid var(--border-hairline);
  background-color: var(--bg-base);
  color: var(--text-muted);
}

.footer-container.center-footer {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 28px;
  text-align: center;
}

.footer-copy {
  font-size: 0.86rem;
  letter-spacing: 0.02em;
}

/* ==========================================================================
   Lightbox Modal
   ========================================================================== */

.modal-lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.modal-lightbox.active {
  opacity: 1;
  pointer-events: auto;
}

.lightbox-overlay {
  position: absolute;
  inset: 0;
  background-color: rgba(10, 12, 16, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.lightbox-dialog {
  position: relative;
  z-index: 1010;
  max-width: 92vw;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  transform: scale(0.96);
  transition: transform var(--transition-normal);
}

.modal-lightbox.active .lightbox-dialog {
  transform: scale(1);
}

.lightbox-top-bar {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 4px 14px 4px;
}

.lightbox-counter {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-secondary);
  background-color: rgba(255, 255, 255, 0.08);
  padding: 4px 12px;
  border-radius: var(--radius-pill);
}

.lightbox-btn-close {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.lightbox-btn-close:hover {
  background-color: var(--accent-primary);
  color: var(--text-inverse);
  border-color: var(--accent-primary);
}

.lightbox-nav-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background-color: rgba(18, 21, 28, 0.75);
  border: 1px solid var(--border-hairline);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(8px);
  transition: all var(--transition-fast);
  z-index: 1020;
}

.lightbox-nav-btn:hover {
  background-color: var(--accent-primary);
  color: var(--text-inverse);
  border-color: var(--accent-primary);
  transform: translateY(-50%) scale(1.05);
}

.lightbox-nav-btn.prev {
  left: -74px;
}

.lightbox-nav-btn.next {
  right: -74px;
}

.lightbox-content-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-md);
  padding: 12px;
  box-shadow: var(--shadow-lg);
  max-height: 82vh;
}

.lightbox-image-stage {
  max-width: 82vw;
  max-height: 72vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-radius: var(--radius-sm);
  background-color: #080a0d;
}

.lightbox-img {
  max-width: 100%;
  max-height: 72vh;
  object-fit: contain;
  display: block;
}

.lightbox-info-bar {
  width: 100%;
  padding: 14px 8px 4px 8px;
  text-align: center;
}

.lightbox-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--text-primary);
}

.lightbox-meta {
  font-size: 0.84rem;
  color: var(--text-secondary);
  margin-top: 3px;
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */

@media (max-width: 1024px) {
  .hero-grid-container {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  .format-panorama {
    grid-column: span 2;
  }

  .skills-highlight-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .lightbox-nav-btn.prev {
    left: 12px;
  }

  .lightbox-nav-btn.next {
    right: 12px;
  }
}

@media (max-width: 768px) {
  .site-header {
    height: 64px;
  }

  .main-nav {
    display: none;
  }

  .mobile-menu-toggle {
    display: flex;
  }

  .hero-section {
    padding: 100px 0 60px 0;
    min-height: auto;
  }

  .about-section {
    padding: 80px 0;
  }

  .about-card-container {
    padding: 36px 20px;
  }

  .skills-highlight-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .portfolio-header-block {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  .gallery-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .format-panorama {
    grid-column: span 1;
  }

  .format-panorama .card-media {
    aspect-ratio: 16 / 9;
  }

  .contact-cta-card {
    padding: 44px 20px;
  }

  .lightbox-dialog {
    max-width: 96vw;
  }

  .lightbox-image-stage {
    max-width: 94vw;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}