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

:root {
  --color-bg: #ffffff;
  --color-surface: #f7f6fa;
  --color-surface-raised: #efedf5;
  --color-surface-hover: #e8e5f0;
  --color-border: rgba(0, 0, 0, 0.08);
  --color-border-accent: rgba(124, 92, 252, 0.2);

  --color-text: #1a1630;
  --color-text-secondary: #5c5577;
  --color-text-muted: #8a839e;

  --color-accent: #7c5cfc;
  --color-accent-light: #6a4ae8;
  --color-accent-glow: rgba(124, 92, 252, 0.08);

  --color-green: #16a34a;
  --color-red: #dc2626;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 24px;

  --max-width: 1120px;
  --nav-height: 64px;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  font-size: 16px;
}

a {
  color: var(--color-accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

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

h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.25;
  color: #1a1630;
}

h1 { font-size: 3rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.35rem; }
h4 { font-size: 1.1rem; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

section {
  padding: 80px 0;
}

.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.nav-brand img {
  width: 34px;
  height: 34px;
  border-radius: 8px;
}

.nav-brand span {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-text);
}

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

.nav-links a {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  letter-spacing: 0.01em;
  transition: color 0.15s ease;
}

.nav-links a:hover {
  color: var(--color-text);
}

.nav-links a.active {
  color: var(--color-accent);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-color: var(--color-accent);
  text-decoration-thickness: 2px;
  text-underline-offset: 6px;
}

.nav-links a.active:hover {
  color: var(--color-accent);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  margin: 5px 0;
  border-radius: 2px;
}

.hero {
  text-align: center;
  padding: 20px 0 44px;
}

.hero-icon {
  width: 96px;
  height: 96px;
  border-radius: var(--radius-lg);
  margin: 0 auto 20px;
}

.hero h1 {
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.hero .accent {
  color: var(--color-accent);
  font-weight: 600;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto 36px;
  line-height: 1.6;
}

.hero-badges {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  font-size: 0.82rem;
  font-weight: 500;
  border-radius: 999px;
  background: var(--color-surface-raised);
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
}

.badge svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

.badge--green { color: var(--color-green); border-color: rgba(22, 163, 74, 0.2); }

.cta-group {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  text-decoration: none;
}

.btn-primary {
  background: var(--color-accent);
  color: #fff;
}

.btn-primary:hover {
  background: #6a4ae8;
  text-decoration: none;
}

.btn-secondary {
  background: var(--color-surface-raised);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover {
  background: var(--color-surface-hover);
  text-decoration: none;
}

.btn svg {
  width: 18px;
  height: 18px;
}

.official-store-btn {
  display: inline-flex;
  align-items: center;
  text-decoration: none !important;
  transition: transform 0.2s ease, opacity 0.2s ease, filter 0.2s ease;
  height: 48px;
}

.official-store-btn:hover {
  transform: translateY(-1.5px);
  opacity: 0.92;
}

.store-badge-img {
  height: 48px;
  width: auto;
  display: block;
}

.store-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: #000000;
  color: #ffffff !important;
  border: 1px solid #a6a6a6;
  border-radius: 8px;
  padding: 4px 14px;
  text-decoration: none !important;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease, opacity 0.2s ease;
  height: 40px;
  box-sizing: border-box;
}

.store-badge:hover {
  background: #111827;
  border-color: #ffffff;
  transform: translateY(-1.5px);
  opacity: 0.92;
}

.store-icon-ms {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.store-text {
  display: flex;
  flex-direction: column;
  text-align: left;
  line-height: 1.1;
}

.store-subtitle {
  font-size: 0.62rem;
  font-weight: 400;
  letter-spacing: 0.01em;
  opacity: 0.9;
  color: #ffffff;
}

.store-title {
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: #ffffff;
  margin-top: 0px;
}

.carousel-container {
  max-width: 960px;
  margin: 0 auto;
}

.carousel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
  padding: 0 4px;
}

.os-toggle-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.os-toggle-label {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

.os-toggle-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  padding: 5px 12px;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.os-toggle-btn svg {
  width: 14px;
  height: 14px;
}

.os-toggle-btn:hover {
  background: var(--color-surface-hover);
  color: var(--color-text);
}

.os-toggle-btn.active {
  background: var(--color-primary-soft);
  border-color: var(--color-primary);
  color: var(--color-text);
}

.carousel-counter {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-text-muted);
  background: var(--color-surface);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
}

.screenshot-showcase {
  position: relative;
  border-radius: var(--radius-xl);
  padding: 0;
  overflow: hidden;
  box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.18), 0 0 0 1px rgba(0, 0, 0, 0.08);
}

.carousel-stage {
  border-radius: var(--radius-xl);
  overflow: hidden;
  position: relative;
}

.carousel-stage img,
.carousel-stage video {
  border-radius: var(--radius-xl);
  width: 100%;
  height: auto;
  display: block;
  transition: opacity 0.2s ease-in-out;
}

.carousel-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(15, 23, 42, 0.45);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.carousel-prev {
  left: 16px;
}

.carousel-next {
  right: 16px;
}

.carousel-nav:hover {
  background: rgba(15, 23, 42, 0.75);
  border-color: rgba(255, 255, 255, 0.5);
  transform: translateY(-50%) scale(1.06);
}

.carousel-nav svg {
  width: 16px;
  height: 16px;
}

.carousel-caption {
  text-align: center;
  margin-top: 24px;
  padding: 0 16px;
  min-height: 106px;
}

.carousel-caption h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--color-text);
}

.carousel-caption p {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  max-width: 680px;
  margin: 0 auto 16px auto;
  line-height: 1.5;
  min-height: 2.9em;
}

.carousel-dots {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
}

.carousel-dots .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #cbd5e1;
  border: none;
  cursor: pointer;
  padding: 0;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.carousel-dots .dot:hover {
  background: var(--color-accent-light);
  transform: scale(1.15);
}

.carousel-dots .dot.active {
  background: var(--color-accent);
  width: 28px;
  border-radius: 6px;
  box-shadow: 0 2px 8px rgba(124, 92, 252, 0.45);
}


.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-label {
  display: inline-block;
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--color-accent-light);
  margin-bottom: 12px;
}

.section-header h2 {
  margin-bottom: 12px;
}

.section-header p {
  color: var(--color-text-secondary);
  max-width: 580px;
  margin: 0 auto;
}

#features {
  background: #f6f5fb;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: 36px 0 64px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.feature-card {
  background: #ffffff;
  border: 1px solid rgba(0, 0, 0, 0.07);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.feature-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(124, 92, 252, 0.08);
  border-color: var(--color-border-accent);
}

.feature-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
}

.feature-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--color-accent-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.feature-icon svg {
  width: 22px;
  height: 22px;
  color: var(--color-accent-light);
}

.feature-header h3 {
  font-size: 1.08rem;
  font-weight: 600;
  margin-bottom: 0;
  line-height: 1.35;
}

.feature-card p {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
}

.privacy-banner {
  background: var(--color-surface);
  border: 1px solid var(--color-border-accent);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
}

.privacy-banner-inner {
  display: flex;
  align-items: flex-start;
  gap: 40px;
}

.privacy-icon-large {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-md);
  background: var(--color-accent-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.privacy-icon-large svg {
  width: 30px;
  height: 30px;
  color: var(--color-accent-light);
}

.privacy-content h2 {
  margin-bottom: 12px;
}

.privacy-content > p {
  color: var(--color-text-secondary);
  margin-bottom: 24px;
  max-width: 560px;
}

.privacy-points {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.privacy-point {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.92rem;
}

.privacy-check {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: rgba(22, 163, 74, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.privacy-check svg {
  width: 12px;
  height: 12px;
  color: var(--color-green);
}

.screenshots-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.screenshot-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.screenshot-card img {
  width: 100%;
  display: block;
}

.screenshot-card .screenshot-placeholder {
  height: 280px;
  border-radius: 0;
}

.screenshot-card-label {
  padding: 14px 18px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  border-top: 1px solid var(--color-border);
}

.shortcuts-accordion-content h3,
.shortcuts-section h3 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-accent);
  text-align: left;
  margin-bottom: 12px;
}

.shortcut-subnote {
  display: inline-block;
  margin-left: 6px;
  font-size: 0.8rem;
  font-weight: 400;
  color: var(--color-text-muted);
}

.shortcut-table {
  width: 100%;
  border-collapse: collapse;
}

.shortcut-table tr {
  border-bottom: 1px solid var(--color-border);
}

.shortcut-table tr:last-child {
  border-bottom: none;
}

.shortcut-table td {
  padding: 12px 0;
  font-size: 0.9rem;
  vertical-align: middle;
}

.shortcut-table td:first-child {
  color: var(--color-text-secondary);
}

.shortcut-table td:last-child {
  text-align: right;
  white-space: nowrap;
}

kbd {
  display: inline-block;
  padding: 3px 8px;
  font-size: 0.78rem;
  font-family: "SF Mono", "Fira Code", monospace;
  background: var(--color-surface-raised);
  border: 1px solid var(--color-border);
  border-radius: 5px;
  color: var(--color-text);
  margin-left: 3px;
}

.cta-section {
  text-align: center;
  padding: 20px 0 48px;
}

.cta-section h2 {
  margin-bottom: 12px;
}

.cta-section p {
  color: var(--color-text-secondary);
  margin-bottom: 32px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 32px 0;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.footer-left {
  font-size: 0.82rem;
  color: var(--color-text-muted);
}

.footer-links {
  display: flex;
  gap: 24px;
  list-style: none;
}

.footer-links a {
  font-size: 0.82rem;
  color: var(--color-text-muted);
}

.footer-links a:hover {
  color: var(--color-text);
}

.legal-page {
  padding: 60px 0 100px;
}

.legal-page h1 {
  font-size: 2.2rem;
  margin-bottom: 8px;
}

.legal-meta {
  color: var(--color-text-muted);
  font-size: 0.88rem;
  margin-bottom: 40px;
}

.legal-section {
  margin-bottom: 32px;
}

.legal-section h2 {
  font-size: 1.2rem;
  margin-bottom: 10px;
}

.legal-section p {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

.help-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.help-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px 24px;
}

.help-card h3 {
  margin-bottom: 10px;
}

.help-card p,
.help-card ul {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  line-height: 1.65;
}

.help-card ul {
  padding-left: 20px;
  margin-top: 8px;
}

.help-card li {
  margin-bottom: 4px;
}

.accordion-container {
  max-width: 900px;
  margin: 0 auto 40px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.accordion-item {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.accordion-item[open] {
  border-color: var(--color-border-accent);
  box-shadow: 0 4px 20px rgba(124, 92, 252, 0.06);
}

.accordion-header {
  padding: 20px 24px;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-text);
  background: var(--color-bg);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  list-style: none;
  user-select: none;
  transition: background 0.15s ease;
}

.accordion-header:hover {
  background: var(--color-surface);
}

.accordion-header::-webkit-details-marker {
  display: none;
}

.accordion-icon {
  width: 20px;
  height: 20px;
  color: var(--color-text-secondary);
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  flex-shrink: 0;
}

.accordion-item[open] .accordion-icon {
  transform: rotate(180deg);
  color: var(--color-accent);
}

.accordion-body {
  padding: 0 24px 24px;
  border-top: 1px solid var(--color-border);
  padding-top: 20px;
  background: var(--color-bg);
}

.syntax-reference-wrapper {
  margin-top: 24px;
}

.syntax-toggle-btn {
  background: none;
  border: none;
  padding: 0;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--color-accent);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  user-select: none;
}

.syntax-toggle-btn:hover {
  text-decoration: underline;
}

.syntax-toggle-btn .toggle-chevron {
  transition: transform 0.2s ease;
}

.syntax-toggle-btn.active .toggle-chevron {
  transform: rotate(90deg);
}

.syntax-guide-content {
  display: none;
  margin-top: 14px;
  padding: 18px 20px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}

.syntax-guide-content.open {
  display: block;
}

.syntax-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.syntax-col h4 {
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-secondary);
  margin-bottom: 10px;
}

.syntax-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.syntax-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 8px 12px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 6px;
}

.syntax-item code {
  font-family: "SF Mono", "Fira Code", monospace;
  font-size: 0.85rem;
  color: var(--color-accent-light);
  font-weight: 600;
}

.syntax-item span {
  font-size: 0.82rem;
  color: var(--color-text-secondary);
}

.help-contact {
  text-align: center;
  margin-top: 40px;
  padding: 20px 0 0;
}

.help-contact p {
  color: var(--color-text-secondary);
  margin-bottom: 20px;
}

#features {
  padding-bottom: 48px;
}

.file-support-section {
  padding: 32px 0 40px;
}

.file-support-section .section-header {
  margin-bottom: 28px;
}

.formats-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}

.format-tag {
  display: inline-block;
  padding: 6px 16px;
  font-size: 0.82rem;
  font-weight: 600;
  font-family: "SF Mono", "Fira Code", monospace;
  background: var(--color-surface-raised);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  color: var(--color-text-secondary);
}

#privacy {
  padding: 16px 0 16px;
}

.platform-support-section {
  padding: 16px 0 36px;
}

.platform-support-section .section-header {
  margin-bottom: 24px;
}

.platforms {
  display: flex;
  justify-content: center;
  gap: 48px;
  margin-top: 24px;
}

.platform {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.platform svg {
  width: 28px;
  height: 28px;
  color: var(--color-text-secondary);
}

.platform span {
  font-size: 0.82rem;
  color: var(--color-text-muted);
}

@media (max-width: 768px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }

  section { padding: 56px 0; }

  .hero { padding: 32px 0 40px; }
  .hero-icon { width: 72px; height: 72px; }

  .features-grid { grid-template-columns: 1fr; }
  .screenshots-grid { grid-template-columns: 1fr; }
  .privacy-points { grid-template-columns: 1fr; }
  .help-grid { grid-template-columns: 1fr; }

  .privacy-banner { padding: 28px 20px; }
  .privacy-banner-inner { flex-direction: column; gap: 20px; }

  .shortcuts-section { padding: 24px 20px; }

  .nav-links { display: none; }
  .nav-toggle { display: block; }

  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: 16px 24px;
    gap: 16px;
  }

  .footer-inner {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

  .screenshot-showcase { border-radius: var(--radius-md); padding: 0; }
  .screenshot-showcase img { border-radius: var(--radius-md); cursor: zoom-in; }
  
  .carousel-nav {
    width: 26px;
    height: 26px;
    background: rgba(30, 41, 59, 0.5);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.25);
  }
  .carousel-nav svg {
    width: 13px;
    height: 13px;
  }
  .carousel-prev { left: 4px; }
  .carousel-next { right: 4px; }
  .carousel-caption { margin-top: 16px; padding: 0 8px; min-height: 96px; }
  .carousel-caption h3 { font-size: 1.1rem; }
  .carousel-caption p { font-size: 0.88rem; margin-bottom: 12px; min-height: 3.2em; }
}

.lightbox-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(15, 23, 42, 0.93);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.lightbox-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.lightbox-overlay img {
  max-width: 100%;
  max-height: 90vh;
  border-radius: var(--radius-md);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
  object-fit: contain;
}

.lightbox-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #ffffff;
  font-size: 26px;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 1001;
  transition: background 0.2s ease, transform 0.2s ease;
}

.lightbox-close:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: scale(1.08);
}

.carousel-expand-btn {
  display: none;
  position: absolute;
  bottom: 8px;
  right: 8px;
  z-index: 5;
  width: 26px;
  height: 26px;
  border-radius: 6px;
  background: rgba(148, 163, 184, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.4);
  color: #ffffff;
  align-items: center;
  justify-content: center;
  padding: 0;
  pointer-events: none;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

.carousel-expand-btn svg {
  width: 13px;
  height: 13px;
}

@media (max-width: 768px) {
  .carousel-expand-btn {
    display: flex;
  }
}