/* ==========================================================================
   INSTA PRO - ULTRA HIGH PERFORMANCE COMPACT STYLESHEET
   - Strict 2-Color Logo Palette: Royal Violet (#7c3aed) & Electric Magenta (#c026d3)
   - Ultra Compact Spacing: Decreased margins & paddings, zero extra gaps
   - 100/100 Core Web Vitals Engineered (Zero CLS, Minimal Paint, Responsive)
   ========================================================================== */

:root {
  /* Color 1: Royal Violet (from Logo top-left) */
  --primary: #7c3aed;
  --primary-dark: #5b21b6;
  --primary-deep: #1e0938;
  --primary-darker: #130524;
  --primary-light: #f5f0ff;
  --primary-soft: #ede5ff;
  --primary-border: #d8c7ff;

  /* Color 2: Electric Magenta (from Logo right & center) */
  --accent: #c026d3;
  --accent-dark: #9316a3;
  --accent-light: #fdf2ff;
  --accent-soft: #fae3ff;
  --accent-border: #f2c2fc;

  /* Neutral Derived Surfaces & Text (Tinted with Primary Violet) */
  --bg-page: #faf8ff;
  --bg-surface: #ffffff;
  --bg-alt: #f4effe;
  --border: #e5dcf5;
  --text-main: #160829;
  --text-body: #2c1e40;
  --text-muted: #57486d;

  /* Compact Layout Constants */
  --container-max: 1020px;
  --radius-sm: 5px;
  --radius-md: 8px;
  --radius-lg: 10px;
  --transition: all 0.16s ease-in-out;
}

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

html {
  font-family: 'Plus Jakarta Sans', 'Noto Sans Devanagari', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 15.5px;
  line-height: 1.45;
  color: var(--text-body);
  background-color: var(--bg-page);
  scroll-behavior: smooth;
  text-rendering: optimizeLegibility;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  padding: 0;
  overflow-x: hidden;
  background-color: var(--bg-page);
}

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

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 0.75rem;
}

/* Typography - Snug & Compact */
h1, h2, h3, h4 {
  color: var(--text-main);
  font-weight: 800;
  line-height: 1.2;
  margin: 0 0 0.25rem 0;
  letter-spacing: -0.015em;
}

h1 {
  font-size: clamp(1.45rem, 2.8vw, 1.9rem);
  color: var(--primary-deep);
}

h2 {
  font-size: clamp(1.15rem, 2.1vw, 1.36rem);
  background: linear-gradient(90deg, var(--primary-deep), var(--primary-dark), var(--accent-dark));
  color: #ffffff;
  padding: 0.48rem 0.8rem;
  border-radius: var(--radius-md);
  margin: 0 0 0.35rem 0;
  box-shadow: 0 2px 8px rgba(124, 58, 237, 0.14);
}

h3 {
  font-size: 1.02rem;
}

h4 {
  font-size: 0.94rem;
}

p {
  margin: 0 0 0.35rem 0;
  color: var(--text-body);
  font-size: 0.95rem;
  line-height: 1.46;
}

p:last-child {
  margin-bottom: 0;
}

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

a:hover {
  color: var(--accent);
  text-decoration: underline;
}

ul, ol {
  margin: 0 0 0.35rem 0;
  padding-left: 1.15rem;
  color: var(--text-body);
  font-size: 0.94rem;
}

li {
  margin-bottom: 0.18rem;
  line-height: 1.42;
}

li:last-child {
  margin-bottom: 0;
}

/* ==========================================================================
   PREMIUM ULTRA-COMPACT HEADER
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: linear-gradient(90deg, var(--primary-deep), var(--primary-dark), var(--accent-dark));
  border-bottom: 2px solid var(--accent);
  box-shadow: 0 3px 12px rgba(22, 8, 41, 0.28);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 48px;
  padding-top: 0.25rem;
  padding-bottom: 0.25rem;
  gap: 0.5rem;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  text-decoration: none !important;
  color: #ffffff !important;
  font-weight: 800;
  font-size: 1.12rem;
  flex-shrink: 0;
}

.brand-logo-img {
  width: 34px;
  height: 34px;
  object-fit: contain;
  border-radius: var(--radius-sm);
}

.brand-text {
  display: inline-flex;
  align-items: center;
  gap: 0.28rem;
  letter-spacing: -0.02em;
}

.brand-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.08rem 0.38rem;
  font-size: 0.66rem;
  font-weight: 800;
  color: #ffffff;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.header-nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.nav-link {
  padding: 0.3rem 0.68rem;
  font-size: 0.85rem;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.92);
  border-radius: 999px;
  text-decoration: none !important;
  white-space: nowrap;
  border: 1px solid rgba(255, 255, 255, 0.22);
  transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.55);
  color: #ffffff;
}

/* Polylang-Style Language Switcher in Header Menu */
.lang-switcher {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.lang-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.32rem;
  padding: 0.3rem 0.65rem;
  font-family: inherit;
  font-size: 0.83rem;
  font-weight: 700;
  color: #ffffff;
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.38);
  border-radius: 999px;
  cursor: pointer;
  white-space: nowrap;
  transition: var(--transition);
}

.lang-btn:hover,
.lang-switcher.open .lang-btn {
  background: rgba(255, 255, 255, 0.26);
  border-color: rgba(255, 255, 255, 0.7);
}

.lang-code {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.04rem 0.32rem;
  font-size: 0.68rem;
  font-weight: 800;
  color: var(--primary-deep);
  background: #ffffff;
  border-radius: 999px;
  line-height: 1.2;
}

.lang-chevron {
  width: 12px;
  height: 12px;
  transition: transform 0.16s ease;
}

.lang-switcher:hover .lang-chevron,
.lang-switcher.open .lang-chevron {
  transform: rotate(180deg);
}

.lang-dropdown {
  position: absolute;
  top: calc(100% + 5px);
  right: 0;
  min-width: 145px;
  background: #ffffff;
  border: 1px solid var(--primary-border);
  border-radius: var(--radius-md);
  box-shadow: 0 8px 22px rgba(22, 8, 41, 0.2);
  padding: 0.28rem;
  display: none;
  flex-direction: column;
  gap: 0.15rem;
  z-index: 1000;
}

.lang-switcher:hover .lang-dropdown,
.lang-switcher.open .lang-dropdown {
  display: flex;
}

.lang-option {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.45rem;
  padding: 0.36rem 0.55rem;
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--text-main) !important;
  border-radius: var(--radius-sm);
  text-decoration: none !important;
  transition: var(--transition);
}

.lang-option:hover {
  background: var(--primary-light);
  color: var(--primary) !important;
}

.lang-option.active {
  background: linear-gradient(90deg, var(--primary-light), var(--accent-light));
  color: var(--primary-dark) !important;
  border-left: 3px solid var(--accent);
}

.lang-option-badge {
  font-size: 0.68rem;
  font-weight: 800;
  padding: 0.05rem 0.32rem;
  border-radius: 4px;
  background: var(--primary-soft);
  color: var(--primary-dark);
}

.header-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.32rem 0.7rem;
  font-size: 0.82rem;
  font-weight: 800;
  color: #ffffff !important;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: 999px;
  text-decoration: none !important;
  box-shadow: 0 2px 8px rgba(192, 38, 211, 0.28);
  white-space: nowrap;
}

.header-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(192, 38, 211, 0.4);
}

/* ==========================================================================
   SECTIONS & ULTRA-SNUG CONTAINERS
   ========================================================================== */
.section {
  padding: 0.55rem 0;
}

.section-alt {
  background-color: var(--bg-surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-header {
  margin-bottom: 0.35rem;
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 0.1rem;
  margin-bottom: 0;
}

/* ==========================================================================
   HERO SECTION & DOWNLOAD CTA
   ========================================================================== */
.hero-section {
  background: linear-gradient(180deg, #ffffff 0%, var(--bg-alt) 100%);
  padding: 0.6rem 0 0.55rem 0;
  border-bottom: 1px solid var(--border);
}

.hero-box {
  background: #ffffff;
  border: 1.5px solid var(--primary-border);
  border-top: 3.5px solid var(--primary);
  border-radius: var(--radius-lg);
  padding: 0.75rem 0.9rem;
  box-shadow: 0 3px 12px rgba(124, 58, 237, 0.06);
}

.hero-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.85rem;
  margin-bottom: 0.5rem;
}

.hero-text-col {
  flex: 1;
}

.hero-logo-col {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
}

.hero-app-logo {
  width: 78px;
  height: 78px;
  object-fit: contain;
  filter: drop-shadow(0 4px 10px rgba(192, 38, 211, 0.25));
}

.btn-download-main {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  width: 100%;
  max-width: 580px;
  margin: 0.45rem auto;
  padding: 0.78rem 1.25rem;
  background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 100%);
  color: #ffffff !important;
  font-size: clamp(0.98rem, 2.2vw, 1.12rem);
  font-weight: 800;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  border-radius: var(--radius-md);
  text-decoration: none !important;
  box-shadow: 0 4px 14px rgba(192, 38, 211, 0.32);
  border: 1px solid rgba(255, 255, 255, 0.25);
  transition: var(--transition);
  text-align: center;
}

.btn-download-main:hover {
  background: linear-gradient(90deg, var(--primary-dark) 0%, var(--accent-dark) 100%);
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(192, 38, 211, 0.42);
}

.btn-download-main svg {
  width: 20px;
  height: 20px;
  stroke: #ffffff;
  stroke-width: 2.5;
  fill: none;
  flex-shrink: 0;
}

.meta-pills {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  margin-top: 0.35rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.22rem;
  padding: 0.14rem 0.48rem;
  font-size: 0.76rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  background-color: var(--primary-light);
  color: var(--primary-dark);
  border: 1px solid var(--primary-border);
}

.badge-accent {
  background-color: var(--accent-light);
  color: var(--accent-dark);
  border-color: var(--accent-border);
}

.badge-solid {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #ffffff;
  border: none;
}

@media (max-width: 600px) {
  .hero-top {
    flex-direction: column-reverse;
    text-align: center;
    gap: 0.45rem;
  }
  .hero-app-logo {
    width: 64px;
    height: 64px;
  }
}

/* ==========================================================================
   GRIDS, CARDS & CALLOUTS (ZERO EXTRA GAPS)
   ========================================================================== */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.45rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.45rem;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.45rem;
}

/* Automatically span orphan items in 3-column and 2-column grids so no empty holes appear on the right */
.grid-3 > :last-child:nth-child(3n + 1) {
  grid-column: 1 / -1;
}

.grid-3 > :last-child:nth-child(3n + 2) {
  grid-column: span 2;
}

.grid-2 > :last-child:nth-child(odd) {
  grid-column: 1 / -1;
}

@media (max-width: 820px) {
  .grid-3, .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid-3 > :last-child:nth-child(3n + 1),
  .grid-3 > :last-child:nth-child(3n + 2) {
    grid-column: auto;
  }
  .grid-3 > :last-child:nth-child(odd),
  .grid-4 > :last-child:nth-child(odd) {
    grid-column: 1 / -1;
  }
}

@media (max-width: 560px) {
  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr;
  }
  .grid-2 > :last-child,
  .grid-3 > :last-child,
  .grid-4 > :last-child {
    grid-column: 1 / -1;
  }
}

.card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 0.55rem 0.75rem;
  box-shadow: 0 1px 2px rgba(22, 8, 41, 0.02);
}

.card-primary {
  border-top: 2.5px solid var(--primary);
}

.card-accent {
  border-top: 2.5px solid var(--accent);
}

.card-left-primary {
  border-left: 3px solid var(--primary);
}

.card-left-accent {
  border-left: 3px solid var(--accent);
}

.callout {
  background-color: var(--primary-light);
  border: 1px solid var(--primary-border);
  border-left: 3.5px solid var(--primary);
  border-radius: var(--radius-sm);
  padding: 0.45rem 0.7rem;
  margin-top: 0.4rem;
  font-size: 0.91rem;
}

.callout-accent {
  background-color: var(--accent-light);
  border-color: var(--accent-border);
  border-left-color: var(--accent);
}

/* Infographic Banners */
.infographic-banner {
  margin: 0 0 0.45rem 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1.5px solid var(--primary-border);
  box-shadow: 0 3px 12px rgba(22, 8, 41, 0.14);
  background-color: var(--primary-deep);
}

.infographic-banner img {
  width: 100%;
  height: auto;
  display: block;
}

/* Feature Cards */
.feature-head {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  margin-bottom: 0.2rem;
}

.icon-box {
  width: 26px;
  height: 26px;
  border-radius: var(--radius-sm);
  background: var(--primary-light);
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.82rem;
  flex-shrink: 0;
  border: 1px solid var(--primary-border);
}

.card:nth-child(even) .icon-box {
  background: var(--accent-light);
  color: var(--accent);
  border-color: var(--accent-border);
}

/* ==========================================================================
   TABLES (COMPACT & RESPONSIVE)
   ========================================================================== */
.table-wrap {
  width: 100%;
  overflow-x: auto;
  background-color: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin: 0.35rem 0;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  text-align: left;
}

.data-table th {
  background: linear-gradient(90deg, var(--primary-light), var(--accent-light));
  color: var(--primary-deep);
  font-weight: 800;
  padding: 0.4rem 0.65rem;
  border-bottom: 1.5px solid var(--primary-border);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.data-table td {
  padding: 0.36rem 0.65rem;
  border-bottom: 1px solid var(--border);
  color: var(--text-body);
  vertical-align: top;
}

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

.data-table tr:nth-child(even) td {
  background-color: #fcfaff;
}

.data-table td:first-child {
  font-weight: 700;
  color: var(--text-main);
}

/* Step Cards & Lists */
.step-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #ffffff;
  font-size: 0.74rem;
  font-weight: 800;
  flex-shrink: 0;
}

.check-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.check-list li {
  position: relative;
  padding-left: 1.15rem;
  margin-bottom: 0.22rem;
}

.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--primary);
  font-weight: 800;
}

.check-list-accent li::before {
  content: "•";
  color: var(--accent);
  font-size: 1.1rem;
  line-height: 1;
}

/* Glossary List (Zero Empty Space) */
.glossary-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.3rem;
}

.glossary-item {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.32rem 0.55rem;
}

.glossary-item p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.32;
  overflow-wrap: anywhere;
}

.glossary-item:last-child:nth-child(odd) {
  grid-column: 1 / -1;
}

@media (max-width: 680px) {
  .glossary-list {
    grid-template-columns: 1fr;
  }
}

.glossary-term {
  background: var(--primary-light);
  color: var(--primary-dark);
  border: 1px solid var(--primary-border);
  font-weight: 800;
  font-size: 0.76rem;
  padding: 0.1rem 0.42rem;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  flex-shrink: 0;
}

.glossary-item:nth-child(even) .glossary-term {
  background: var(--accent-light);
  color: var(--accent-dark);
  border-color: var(--accent-border);
}

/* ==========================================================================
   FAQ ACCORDION
   ========================================================================== */
.faq-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.32rem;
}

.faq-item {
  background-color: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.faq-item.active {
  border-color: var(--primary);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.5rem 0.75rem;
  background: none;
  border: none;
  text-align: left;
  font-family: inherit;
  font-size: 0.93rem;
  font-weight: 700;
  color: var(--text-main);
  cursor: pointer;
}

.faq-question:hover {
  color: var(--primary);
  background-color: var(--primary-light);
}

.faq-toggle-icon {
  width: 16px;
  height: 16px;
  color: var(--primary);
  transition: transform 0.16s ease;
  flex-shrink: 0;
}

.faq-item.active .faq-toggle-icon {
  transform: rotate(180deg);
  color: var(--accent);
}

.faq-answer {
  display: none;
  padding: 0.42rem 0.75rem 0.55rem 0.75rem;
  background-color: var(--bg-page);
  border-top: 1px solid var(--border);
  font-size: 0.9rem;
}

.faq-item.active .faq-answer {
  display: block;
}

/* Guide Part Divider Banner */
.guide-banner {
  background: linear-gradient(90deg, var(--primary-deep), var(--primary-dark), var(--accent-dark));
  color: #ffffff;
  padding: 0.55rem 0.85rem;
  border-radius: var(--radius-md);
  margin: 0.3rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.guide-banner h2 {
  color: #ffffff;
  margin: 0;
  font-size: clamp(1.15rem, 2.2vw, 1.38rem);
}

/* ==========================================================================
   PREMIUM ULTRA-COMPACT FOOTER
   ========================================================================== */
.site-footer {
  background: linear-gradient(180deg, var(--primary-deep) 0%, var(--primary-darker) 100%);
  color: var(--primary-soft);
  border-top: 3px solid var(--accent);
  padding: 0.85rem 0 0.55rem 0;
  margin-top: 0.65rem;
}

.footer-brand-row {
  padding-bottom: 0.5rem;
  border-bottom: 1px solid rgba(216, 199, 255, 0.16);
  margin-bottom: 0.45rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 0.75rem;
  padding-bottom: 0.55rem;
  border-bottom: 1px solid rgba(216, 199, 255, 0.16);
  margin-bottom: 0.5rem;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: #ffffff !important;
  font-size: 1.05rem;
  font-weight: 800;
  text-decoration: none !important;
  margin-bottom: 0.25rem;
}

.footer-brand img {
  width: 30px;
  height: 30px;
  object-fit: contain;
}

.footer-desc {
  color: var(--primary-border);
  font-size: 0.82rem;
  line-height: 1.4;
  margin: 0;
}

.footer-col-title {
  color: #ffffff;
  font-size: 0.84rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.28rem;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.18rem 0.5rem;
}

.footer-links a {
  color: var(--primary-border);
  font-size: 0.82rem;
  text-decoration: none;
}

.footer-links a:hover {
  color: #ffffff;
  text-decoration: underline;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.4rem;
  font-size: 0.78rem;
  color: var(--primary-border);
}

.footer-legal {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.footer-legal a {
  color: #ffffff;
  font-weight: 700;
  font-size: 0.8rem;
  text-decoration: none;
}

.footer-legal a:hover {
  color: var(--accent-soft);
  text-decoration: underline;
}

.footer-sep {
  color: rgba(216, 199, 255, 0.45);
}

.btn-top {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  background: rgba(124, 58, 237, 0.28);
  color: #ffffff;
  border: 1px solid var(--primary);
  padding: 0.22rem 0.55rem;
  border-radius: var(--radius-sm);
  font-size: 0.76rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
}

.btn-top:hover {
  background: var(--accent);
  border-color: var(--accent);
}

/* Mobile Sticky Download Bar */
.mobile-sticky-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(22, 8, 41, 0.96);
  border-top: 1.5px solid var(--accent);
  padding: 0.4rem 0.75rem;
  z-index: 999;
}

.mobile-sticky-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  width: 100%;
  padding: 0.58rem 1rem;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  color: #ffffff !important;
  font-weight: 800;
  font-size: 0.9rem;
  border-radius: 999px;
  text-decoration: none !important;
}

/* Screenshots Grid */
.screenshots-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 0.45rem;
  margin-top: 0.35rem;
}

.screenshot-card {
  margin: 0;
  background: var(--bg-surface);
  border: 1.5px solid var(--primary-border);
  border-radius: var(--radius-md);
  padding: 0.22rem;
  box-shadow: 0 2px 8px rgba(124, 58, 237, 0.08);
  overflow: hidden;
  display: flex;
  align-items: stretch;
  justify-content: center;
}

.screenshot-card img {
  width: 100%;
  height: 100%;
  aspect-ratio: 1 / 2;
  object-fit: cover;
  border-radius: var(--radius-sm);
  display: block;
}

@media (max-width: 900px) {
  .screenshots-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 0.4rem;
  }
}

@media (max-width: 560px) {
  .screenshots-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.35rem;
  }
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 0.55rem;
  }
  .mobile-sticky-bar {
    display: block;
  }
  body {
    padding-bottom: 54px;
  }
}

@media (max-width: 520px) {
  .header-inner {
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.35rem;
    padding-top: 0.35rem;
    padding-bottom: 0.35rem;
  }
  .header-nav {
    width: 100%;
    justify-content: center;
    gap: 0.25rem;
  }
  .nav-link, .lang-btn {
    padding: 0.24rem 0.52rem;
    font-size: 0.78rem;
  }
  .glossary-item {
    flex-wrap: wrap;
  }
  .glossary-term {
    white-space: normal;
  }
}