/* 
  Funlabs Creation - Master Corporate Software Studio Design System
  Ultra-Polished UI/UX, Play Store CTA, Professional Image Sizes, ROI Calculator
*/

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=Inter:wght@400;500;600;700&display=swap');

:root {
  /* Dark Theme Tokens (Default) */
  --bg-main: #090c15;
  --bg-surface: #101422;
  --bg-card: rgba(18, 24, 38, 0.85);
  --bg-card-hover: #182032;
  --bg-header: rgba(9, 12, 21, 0.92);
  
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(59, 130, 246, 0.35);
  
  --text-main: #f8fafc;
  --text-sub: #94a3b8;
  --text-muted: #64748b;
  
  --brand-primary: #3b82f6;
  --brand-primary-hover: #2563eb;
  --brand-secondary: #1e293b;
  
  --status-success: #10b981;
  --status-success-bg: rgba(16, 185, 129, 0.12);
  --status-danger: #ef4444;
  --status-danger-bg: rgba(239, 68, 68, 0.12);

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
  --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.35);
  --shadow-glow: 0 10px 30px -5px rgba(59, 130, 246, 0.25);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  --max-width: 1140px;
}

[data-theme="light"] {
  /* Light Theme Tokens (High Contrast Corporate) */
  --bg-main: #f8fafc;
  --bg-surface: #ffffff;
  --bg-card: #ffffff;
  --bg-card-hover: #f1f5f9;
  --bg-header: rgba(248, 250, 252, 0.94);
  
  --border-subtle: #e2e8f0;
  --border-strong: #cbd5e1;
  
  --text-main: #0f172a;
  --text-sub: #334155;
  --text-muted: #64748b;
  
  --brand-secondary: #f1f5f9;
  
  --status-success-bg: #ecfdf5;
  --status-danger-bg: #fef2f2;

  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.05);
  --shadow-card: 0 4px 16px rgba(15, 23, 42, 0.06);
  --shadow-glow: 0 10px 30px -5px rgba(59, 130, 246, 0.12);
}

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

html {
  scroll-behavior: smooth;
  font-family: 'Plus Jakarta Sans', 'Inter', -apple-system, sans-serif;
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  overflow-x: hidden;
}

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

button, input, textarea, select {
  font: inherit;
}

/* Accessibility Focus States */
:focus-visible {
  outline: 2px solid var(--brand-primary);
  outline-offset: 2px;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
}

/* Section Smooth Scroll Offset */
section[id] {
  scroll-margin-top: 72px;
}

/* ==========================================================================
   HEADER & TOPBAR NAVIGATION
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--bg-header);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  height: 72px;
  display: flex;
  align-items: center;
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.brand-logo-img {
  height: 38px;
  width: auto;
  object-fit: contain;
  transition: var(--transition-fast);
  background: transparent;
  filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.15));
}

[data-theme="dark"] .brand-logo-img {
  filter: drop-shadow(0 0 2px rgba(255, 255, 255, 0.5));
}

.brand-link:hover .brand-logo-img {
  transform: scale(1.04);
}

.brand-meta {
  display: flex;
  flex-direction: column;
  line-height: 1.25;
}

.brand-title {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.01em;
}

.brand-subtitle {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Navigation List */
.main-nav {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}

.nav-link {
  color: var(--text-sub);
  font-size: 0.88rem;
  font-weight: 600;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
  white-space: nowrap;
}

.nav-link:hover {
  color: var(--text-main);
  background-color: var(--bg-card-hover);
}

.nav-link.active {
  color: var(--brand-primary);
  background-color: rgba(59, 130, 246, 0.08);
}

/* Controls */
.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.icon-btn {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  color: var(--text-sub);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-fast);
}

.icon-btn:hover {
  color: var(--text-main);
  border-color: var(--border-strong);
  background-color: var(--bg-card-hover);
}

.mobile-menu-btn {
  display: none;
}

/* Standard Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition-normal);
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--brand-primary);
  color: #ffffff;
  box-shadow: 0 2px 10px rgba(59, 130, 246, 0.25);
}

.btn-primary:hover {
  background-color: var(--brand-primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(59, 130, 246, 0.4);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background-color: var(--bg-surface);
  color: var(--text-main);
  border-color: var(--border-subtle);
}

.btn-secondary:hover {
  background-color: var(--bg-card-hover);
  border-color: var(--border-strong);
  transform: translateY(-2px);
}

.btn-secondary:active {
  transform: translateY(0);
}

.btn-sm {
  padding: 8px 14px;
  font-size: 0.84rem;
}

/* Copy Email Button */
.copy-email-btn {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  font-size: 0.76rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-left: 8px;
}

.copy-email-btn:hover {
  border-color: var(--brand-primary);
  color: var(--brand-primary);
}

/* Google Play Store Badge Button */
.playstore-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background-color: #000000;
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-md);
  padding: 8px 16px;
  transition: var(--transition-normal);
}

.playstore-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
  border-color: var(--brand-primary);
}

.playstore-btn-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
  text-align: left;
}

.playstore-sub {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #a1a1aa;
}

.playstore-main {
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: -0.01em;
}

/* ==========================================================================
   HERO SECTION & STATS BAR
   ========================================================================== */
.hero-section {
  padding: 64px 0 48px;
  background: radial-gradient(circle at 50% 0%, rgba(59, 130, 246, 0.08), transparent 60%);
  border-bottom: 1px solid var(--border-subtle);
}

.hero-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-sub);
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 20px;
}

.badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--status-success);
  box-shadow: 0 0 8px var(--status-success);
}

.hero-title {
  font-size: clamp(2.2rem, 3.8vw, 3.2rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--text-main);
  margin-bottom: 18px;
}

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

.hero-description {
  font-size: 1.05rem;
  color: var(--text-sub);
  line-height: 1.65;
  margin-bottom: 28px;
  max-width: 540px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.hero-benefits {
  display: flex;
  align-items: center;
  gap: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--border-subtle);
  flex-wrap: wrap;
}

.benefit-item {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.82rem;
  font-weight: 600;
}

.benefit-item svg {
  color: var(--brand-primary);
}

/* Stats Counter Bar */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-top: 40px;
  text-align: center;
}

.stat-number {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--brand-primary);
  line-height: 1.2;
}

.stat-label {
  font-size: 0.82rem;
  color: var(--text-sub);
  font-weight: 600;
}

/* Hero Feature Showcase Card & Professional App Window Frame */
.hero-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 12px;
  box-shadow: var(--shadow-card);
  transition: var(--transition-normal);
  overflow: hidden;
}

.hero-card:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-glow);
}

.hero-card-window-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 8px 10px;
}

.window-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
}

.dot-red { background-color: #ef4444; }
.dot-yellow { background-color: #f59e0b; }
.dot-green { background-color: #10b981; }

.window-title {
  font-size: 0.72rem;
  font-family: monospace;
  color: var(--text-muted);
  margin-left: 8px;
}

.hero-banner-img {
  width: 100%;
  max-height: 380px;
  object-fit: cover;
  object-position: top center;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  display: block;
}

/* ==========================================================================
   SECTIONS & SECTIONS LAYOUT
   ========================================================================== */
.section {
  padding: 64px 0;
  border-bottom: 1px solid var(--border-subtle);
}

.section-alt {
  background-color: var(--bg-surface);
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 48px;
}

.section-tag {
  color: var(--brand-primary);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
  display: block;
}

.section-heading {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-main);
  margin-bottom: 12px;
}

.section-subtext {
  color: var(--text-sub);
  font-size: 1rem;
  line-height: 1.6;
}

/* ==========================================================================
   INTERACTIVE FEATURE TAB SWITCHER
   ========================================================================== */
.feature-tab-switcher {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.tab-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-sub);
  padding: 10px 18px;
  border-radius: var(--radius-full);
  font-size: 0.88rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition-fast);
}

.tab-btn:hover {
  color: var(--text-main);
  border-color: var(--border-strong);
}

.tab-btn.active {
  background: var(--brand-primary);
  color: #ffffff;
  border-color: var(--brand-primary);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

/* ==========================================================================
   INTERACTIVE MERCHANT ROI CALCULATOR CARD
   ========================================================================== */
.roi-calculator-card {
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-card);
  margin-bottom: 40px;
  text-align: center;
}

.roi-title {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 4px;
}

.roi-subtitle {
  color: var(--text-sub);
  font-size: 0.9rem;
  margin-bottom: 24px;
}

.roi-slider-group {
  max-width: 520px;
  margin: 0 auto 28px;
}

.roi-label-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.95rem;
  color: var(--text-main);
  font-weight: 700;
  margin-bottom: 10px;
}

.roi-slider {
  width: 100%;
  height: 8px;
  border-radius: 4px;
  background: var(--bg-surface);
  outline: none;
  cursor: pointer;
  accent-color: var(--brand-primary);
}

.roi-results-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  max-width: 600px;
  margin: 0 auto;
}

.roi-stat-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 16px;
}

.roi-stat-val {
  display: block;
  font-size: 1.7rem;
  font-weight: 800;
  color: var(--status-success);
  margin-bottom: 2px;
}

.roi-stat-lbl {
  font-size: 0.8rem;
  color: var(--text-sub);
  font-weight: 600;
}

/* ==========================================================================
   FAQ SEARCH FILTER BOX
   ========================================================================== */
.faq-search-box {
  max-width: 540px;
  margin: 0 auto 24px;
}

/* ==========================================================================
   LEGAL DOCUMENT CARD (RESPONSIVE WRAPPER)
   ========================================================================== */
.legal-card {
  max-width: 860px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-card);
}

/* ==========================================================================
   ABOUT US STUDIO CARDS
   ========================================================================== */
.studio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.studio-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: var(--transition-normal);
}

.studio-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-strong);
  transform: translateY(-3px);
  box-shadow: var(--shadow-card);
}

.studio-card-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 16px;
}

.studio-card-title {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 8px;
}

.studio-card-text {
  color: var(--text-sub);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* ==========================================================================
   PRODUCTS PORTFOLIO CARDS
   ========================================================================== */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.portfolio-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: flex;
  flex-direction: column;
  transition: var(--transition-normal);
}

.portfolio-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-card);
}

.portfolio-card-featured {
  border-color: var(--border-strong);
  background: var(--bg-surface);
}

.portfolio-top {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}

.portfolio-app-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  border: 1px solid var(--border-subtle);
}

.portfolio-badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 800;
  color: var(--brand-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 2px;
}

.portfolio-app-name {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--text-main);
}

.portfolio-app-pkg {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.portfolio-app-desc {
  color: var(--text-sub);
  font-size: 0.92rem;
  line-height: 1.6;
  margin-bottom: 20px;
  flex-grow: 1;
}

.portfolio-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.tag-pill {
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  background: var(--bg-main);
  border: 1px solid var(--border-subtle);
  font-size: 0.78rem;
  color: var(--text-sub);
  font-weight: 600;
}

/* ==========================================================================
   FEATURE SCREENSHOTS PREVIEW CAROUSEL
   ========================================================================== */
.feature-preview-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 48px;
}

.preview-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.preview-card.active {
  border-color: var(--brand-primary);
  box-shadow: var(--shadow-glow);
  background: var(--bg-card-hover);
}

.preview-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-strong);
  transform: translateY(-3px);
  box-shadow: var(--shadow-card);
}

.preview-card-badge {
  font-size: 1.6rem;
  margin-bottom: 12px;
}

.preview-card-title {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 6px;
}

.preview-card-text {
  color: var(--text-sub);
  font-size: 0.86rem;
  line-height: 1.5;
}

/* ==========================================================================
   LINKSELL SPOTLIGHT INFOGRAPHIC CONTENT
   ========================================================================== */
.banner-container {
  max-width: 1060px;
  margin: 0 auto 40px;
  border-radius: var(--radius-lg);
  padding: 6px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: var(--transition-normal);
}

.banner-container:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-glow);
}

.banner-container img {
  width: 100%;
  max-height: 480px;
  object-fit: cover;
  object-position: top center;
  border-radius: var(--radius-md);
  display: block;
}

.problem-solution-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 40px;
}

.box-problem, .box-solution {
  border-radius: var(--radius-lg);
  padding: 28px;
  border: 1px solid var(--border-subtle);
  transition: var(--transition-normal);
}

.box-problem {
  background: var(--status-danger-bg);
  border-color: rgba(239, 68, 68, 0.25);
}

.box-solution {
  background: var(--status-success-bg);
  border-color: rgba(16, 185, 129, 0.25);
}

.box-problem:hover, .box-solution:hover {
  transform: translateY(-2px);
}

.box-tag {
  display: inline-block;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 800;
  margin-bottom: 14px;
}

.box-tag-red {
  background: rgba(239, 68, 68, 0.2);
  color: #ef4444;
}

.box-tag-green {
  background: rgba(16, 185, 129, 0.2);
  color: #10b981;
}

.box-heading-red {
  font-size: 1.25rem;
  font-weight: 800;
  color: #ef4444;
  margin-bottom: 10px;
}

.box-heading-green {
  font-size: 1.25rem;
  font-weight: 800;
  color: #10b981;
  margin-bottom: 10px;
}

.box-text {
  color: var(--text-sub);
  font-size: 0.92rem;
  line-height: 1.6;
  margin-bottom: 12px;
}

/* Comparison Table */
.table-card {
  overflow-x: auto;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  margin-bottom: 40px;
}

.comp-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  min-width: 600px;
}

.comp-table th, .comp-table td {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 0.88rem;
}

.comp-table th {
  color: var(--text-main);
  font-weight: 800;
  background: var(--bg-surface);
}

.comp-table tr:hover td {
  background-color: var(--bg-card-hover);
}

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

.comp-highlight {
  background: rgba(59, 130, 246, 0.08);
  color: var(--text-main);
}

/* Target Audience Grid */
.audience-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.audience-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: var(--transition-normal);
}

.audience-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-strong);
  transform: translateY(-2px);
}

.audience-icon {
  font-size: 1.5rem;
  margin-bottom: 12px;
}

.audience-title {
  font-size: 1rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 6px;
}

.audience-desc {
  color: var(--text-sub);
  font-size: 0.86rem;
  line-height: 1.5;
}

/* ==========================================================================
   INTERACTIVE FAQ ACCORDION (EXPLICIT DISPLAY STYLING)
   ========================================================================== */
.faq-accordion {
  max-width: 840px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition-fast);
}

.faq-item:hover {
  border-color: var(--border-strong);
}

.faq-question {
  width: 100%;
  padding: 20px 24px;
  background: transparent;
  border: none;
  color: var(--text-main);
  font-size: 1.02rem;
  font-weight: 700;
  text-align: left;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  gap: 16px;
}

.faq-icon {
  font-size: 1.3rem;
  font-weight: 800;
  transition: transform 0.25s ease;
  color: var(--brand-primary);
  flex-shrink: 0;
}

.faq-answer {
  display: none !important;
  padding: 0 24px 20px !important;
  color: var(--text-sub);
  font-size: 0.92rem;
  line-height: 1.65;
  border-top: 1px solid var(--border-subtle);
  margin-top: 0;
  padding-top: 16px !important;
}

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

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

/* ==========================================================================
   COMPLIANCE & SUPPORT
   ========================================================================== */
.compliance-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.compliance-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 24px;
}

.compliance-card h3 {
  font-size: 1rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 8px;
}

.compliance-card p {
  color: var(--text-sub);
  font-size: 0.86rem;
  line-height: 1.55;
}

/* Support Contact Layout */
.support-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 32px;
}

.contact-info-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 16px;
}

.contact-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.contact-title {
  font-size: 0.9rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 4px;
}

.contact-detail {
  color: var(--text-sub);
  font-size: 0.86rem;
}

.contact-form-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 28px;
}

.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 6px;
}

.form-control {
  width: 100%;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  background: var(--bg-main);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  font-size: 0.88rem;
  transition: var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--brand-primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

textarea.form-control {
  min-height: 100px;
  resize: vertical;
}

.form-toast {
  display: none;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  background: var(--status-success-bg);
  border: 1px solid var(--status-success);
  color: var(--status-success);
  font-size: 0.85rem;
  margin-bottom: 16px;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  padding: 48px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 32px;
  margin-bottom: 32px;
}

.footer-brand-desc {
  color: var(--text-sub);
  font-size: 0.86rem;
  margin-top: 12px;
  max-width: 280px;
}

.footer-col-title {
  font-size: 0.8rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-main);
  margin-bottom: 14px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-links a {
  color: var(--text-sub);
  font-size: 0.86rem;
  transition: var(--transition-fast);
}

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

.footer-bottom {
  padding-top: 20px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--text-muted);
  font-size: 0.82rem;
}

/* ==========================================================================
   RESPONSIVE LAYOUT BREAKPOINTS (DESKTOP, TABLET & MOBILE)
   ========================================================================== */

/* Tablet & Medium Laptops (960px and below) */
@media (max-width: 960px) {
  .hero-layout {
    grid-template-columns: 1fr;
  }
  
  .hero-banner-img {
    max-height: 320px;
  }

  .stats-bar {
    grid-template-columns: 1fr 1fr;
  }

  .studio-grid, .compliance-grid {
    grid-template-columns: 1fr;
  }

  .portfolio-grid {
    grid-template-columns: 1fr;
  }

  .feature-preview-grid {
    grid-template-columns: 1fr 1fr;
  }

  .problem-solution-grid {
    grid-template-columns: 1fr;
  }

  .audience-grid {
    grid-template-columns: 1fr 1fr;
  }

  .roi-results-grid {
    grid-template-columns: 1fr;
  }

  .support-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* Small Tablets & Mobile Devices (768px and below) */
@media (max-width: 768px) {
  .legal-card {
    padding: 24px 16px;
    border-radius: var(--radius-md);
  }

  .hero-banner-img {
    max-height: 260px;
  }

  .stats-bar {
    grid-template-columns: 1fr 1fr;
  }

  .main-nav {
    position: fixed;
    top: 72px;
    left: 0;
    width: 100%;
    background-color: var(--bg-surface);
    border-bottom: 1px solid var(--border-subtle);
    padding: 20px 24px;
    transform: translateY(-150%);
    transition: var(--transition-normal);
    box-shadow: var(--shadow-card);
  }

  .main-nav.active {
    transform: translateY(0);
  }

  .nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    width: 100%;
  }

  .nav-link {
    width: 100%;
    padding: 10px;
  }

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

  .feature-preview-grid {
    grid-template-columns: 1fr;
  }

  .audience-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 10px;
    text-align: center;
  }
}

/* Extra Small Smartphones (480px and below) */
@media (max-width: 480px) {
  .hero-title {
    font-size: 1.85rem;
  }

  .hero-banner-img {
    max-height: 220px;
  }

  .stats-bar {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
  }

  .hero-actions .playstore-btn,
  .hero-actions .btn {
    width: 100%;
    justify-content: center;
  }

  .container {
    padding: 0 16px;
  }

  .section {
    padding: 48px 0;
  }
}