/* ==========================================================================
   FreeQRCodeOnline.io - Premium Clean SaaS Design System
   Strict 15px Radius, Crisp White/Green Palette, SEO-Optimized
   ========================================================================== */

:root {
  --primary: #00c675;
  --primary-dark: #059669;
  --primary-deep: #047857;
  --primary-light: #34d399;
  --primary-bg: #ecfdf5;
  --primary-glow: rgba(0, 198, 117, 0.2);

  --dark: #0f172a;
  --dark-light: #1e293b;
  --dark-muted: #475569;
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --white: #ffffff;

  --accent-blue: #2563eb;
  --accent-amber: #f59e0b;
  --accent-red: #ef4444;

  /* Strict 15px radius rules */
  --radius-xs: 6px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-box: 15px;

  --shadow-xs: 0 1px 3px rgba(15, 23, 42, 0.04);
  --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 6px 20px -2px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 12px 32px -4px rgba(15, 23, 42, 0.12);

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Accessible Skip Link */
.skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  background: var(--primary-deep);
  color: #ffffff;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.875rem;
  z-index: 10000;
  text-decoration: none;
  box-shadow: var(--shadow-md);
  transition: top 0.2s ease;
}
.skip-link:focus {
  top: 16px;
  outline: 2px solid #ffffff;
}

/* Screen Reader Only Utility */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Font Display Swap Overrides for FontAwesome to eliminate render blocking */
@font-face {
  font-family: 'Font Awesome 6 Free';
  font-style: normal;
  font-weight: 900;
  font-display: swap;
  src: url("https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.1/webfonts/fa-solid-900.woff2") format("woff2");
}

@font-face {
  font-family: 'Font Awesome 6 Brands';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.1/webfonts/fa-brands-400.woff2") format("woff2");
}

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

html {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  color: var(--dark);
  background-color: var(--gray-50);
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  overflow-x: hidden;
  max-width: 100vw;
  width: 100%;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  color: var(--dark);
  background: #f8fafc;
  overflow-x: hidden;
  max-width: 100vw;
  width: 100%;
  position: relative;
}

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

a:hover {
  color: var(--primary-deep);
}

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

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
  box-sizing: border-box;
}

@media (max-width: 768px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }
}

/* ==========================================================================
   Header & Navigation (Taller, Professional, Desktop & Mobile Clean)
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--gray-200);
  height: 76px;
  display: flex;
  align-items: center;
  box-shadow: 0 1px 6px rgba(0, 0, 0, 0.03);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.brand-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  min-width: 220px;
}

.brand-logo img {
  width: 220px;
  max-width: 100%;
  height: 44px;
  aspect-ratio: 220 / 44;
  object-fit: contain;
  display: block;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-link {
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--dark-muted);
  transition: color var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-link:hover, .nav-link.active {
  color: var(--primary-dark);
}

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

.btn-header-install {
  background: var(--primary-bg);
  color: var(--primary-dark);
  border: 1px solid rgba(0, 198, 117, 0.4);
  padding: 9px 18px;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all var(--transition-fast);
}

.btn-header-install:hover {
  background: var(--primary-dark);
  color: var(--white);
  border-color: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(5, 150, 105, 0.2);
}

.mobile-menu-toggle {
  display: none;
  background: var(--gray-100);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-sm);
  cursor: pointer;
  padding: 8px 10px;
  color: var(--dark);
}

@media (max-width: 860px) {
  .site-header {
    height: 64px;
  }
  .brand-logo img {
    height: 38px;
  }
  .mobile-menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .nav-menu {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    flex-direction: column;
    align-items: flex-start;
    padding: 16px 24px;
    gap: 16px;
    box-shadow: var(--shadow-lg);
    display: none;
  }
  .nav-menu.mobile-open {
    display: flex;
  }
  .nav-link {
    width: 100%;
    padding: 8px 0;
    border-bottom: 1px solid var(--gray-100);
  }
  .header-actions {
    display: none;
  }
}

/* ==========================================================================
   Instant QR Generator Layout (No Bloated Hero, Straight into Tool)
   ========================================================================== */
.generator-section-top {
  padding: 24px 0 60px;
}

.generator-lead-header {
  text-align: center;
  margin-bottom: 18px;
}

.generator-lead-title {
  font-size: clamp(1.4rem, 2.5vw, 1.85rem);
  font-weight: 800;
  color: var(--dark);
  letter-spacing: -0.02em;
  line-height: 1.25;
}

.generator-lead-title .text-green {
  color: var(--primary-dark);
}

.generator-lead-sub {
  font-size: 0.875rem;
  color: var(--dark-muted);
  margin-top: 4px;
}

.generator-wrapper {
  margin: 0 auto;
}

/* QR Type Navigation Tabs Bar with Horizontal Touch Scroll */
.qr-types-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--white);
  padding: 8px 12px;
  border-radius: var(--radius-box) var(--radius-box) 0 0;
  border: 1px solid var(--gray-200);
  border-bottom: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  white-space: nowrap;
  box-shadow: var(--shadow-xs);
  min-height: 52px;
  contain: layout;
}

.qr-types-nav::-webkit-scrollbar {
  height: 4px;
}
.qr-types-nav::-webkit-scrollbar-thumb {
  background: var(--gray-300);
  border-radius: 4px;
}

.type-tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 15px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--dark-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  flex-shrink: 0;
}

.type-tab-btn i, .type-tab-btn svg {
  width: 16px;
  height: 16px;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  line-height: 1;
}

.type-tab-btn:hover {
  color: var(--dark);
  background: var(--gray-100);
}

.type-tab-btn.active {
  color: var(--primary-deep);
  background: var(--primary-bg);
  border-color: rgba(0, 198, 117, 0.4);
}

/* Generator Main Card */
.generator-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 0 0 var(--radius-box) var(--radius-box);
  box-shadow: var(--shadow-md);
  display: grid;
  grid-template-columns: 1fr 370px;
  overflow: hidden;
  contain: layout;
}

@media (max-width: 960px) {
  .generator-card {
    grid-template-columns: 1fr;
  }
}

/* Left Column: Editor & Accordions */
.generator-editor {
  padding: 24px;
  border-right: 1px solid var(--gray-200);
  background: #ffffff;
}

@media (max-width: 960px) {
  .generator-editor {
    border-right: none;
    border-bottom: 1px solid var(--gray-200);
  }
}

/* Accordion Section */
.accordion-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.accordion-item {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.accordion-item.active {
  border-color: rgba(0, 198, 117, 0.5);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
}

.accordion-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 13px 16px;
  background: var(--gray-50);
  cursor: pointer;
  user-select: none;
  font-weight: 700;
  font-size: 0.9375rem;
  color: var(--dark);
}

.accordion-item.active .accordion-header {
  background: #f0fdf4;
}

.accordion-header-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.accordion-icon-box {
  width: 26px;
  height: 26px;
  border-radius: var(--radius-xs);
  background: var(--white);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-dark);
  border: 1px solid var(--gray-200);
  flex-shrink: 0;
}

.accordion-icon-box i, .accordion-icon-box svg {
  width: 14px;
  height: 14px;
  font-size: 13px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.accordion-chevron {
  width: 16px;
  height: 16px;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  line-height: 1;
  transition: transform var(--transition-normal);
  color: var(--gray-400);
}

.accordion-item.active .accordion-chevron {
  transform: rotate(180deg);
  color: var(--primary-dark);
}

.accordion-body {
  padding: 18px;
  display: none;
  border-top: 1px solid var(--gray-200);
  background: var(--white);
}

.accordion-item.active .accordion-body {
  display: block;
}

/* Form Controls */
.form-group {
  margin-bottom: 14px;
}

.form-group:last-child {
  margin-bottom: 0;
}

.form-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--dark-muted);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 10px 12px;
  background: var(--white);
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-sm);
  color: var(--dark);
  font-size: 0.9375rem;
  transition: all var(--transition-fast);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

.form-textarea {
  resize: vertical;
  min-height: 80px;
}

.form-hint {
  font-size: 0.75rem;
  color: #475569;
  margin-top: 4px;
  line-height: 1.5;
}

.form-hint a, .accordion-body a, .feature-text a, .faq-answer a {
  color: #047857;
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.form-hint a:hover, .accordion-body a:hover, .feature-text a:hover, .faq-answer a:hover {
  color: #065f46;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

@media (max-width: 600px) {
  .grid-2 {
    grid-template-columns: 1fr;
  }
}

/* Color Picker UI */
.color-picker-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.color-swatch-input {
  width: 42px;
  height: 38px;
  padding: 0;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-sm);
  cursor: pointer;
  background: none;
}

.color-swatch-input::-webkit-color-swatch-wrapper {
  padding: 0;
}
.color-swatch-input::-webkit-color-swatch {
  border: none;
  border-radius: var(--radius-sm);
}

.radio-group {
  display: flex;
  gap: 16px;
  margin-bottom: 14px;
}

.radio-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
}

/* Shapes Grid Selection */
.shape-options-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(64px, 1fr));
  gap: 8px;
  margin-top: 6px;
}

.shape-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 8px 4px;
  background: var(--white);
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.shape-btn svg {
  width: 22px;
  height: 22px;
  color: var(--dark);
}

.shape-btn span {
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--dark-muted);
}

.shape-btn:hover {
  border-color: var(--primary-light);
  background: #f0fdf4;
}

.shape-btn.active {
  border-color: var(--primary-dark);
  background: var(--primary-bg);
  box-shadow: 0 0 0 2px var(--primary-glow);
}

.shape-btn.active span {
  color: var(--primary-deep);
}

/* Presets & Logo Dropzone */
.preset-logos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(42px, 1fr));
  gap: 8px;
  margin-top: 8px;
}

.preset-logo-btn {
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--white);
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  padding: 6px;
}

.preset-logo-btn img, .preset-logo-btn svg {
  width: 24px;
  height: 24px;
  object-fit: contain;
}

.preset-logo-btn:hover {
  border-color: var(--primary);
  transform: translateY(-1px);
}

.preset-logo-btn.active {
  border-color: var(--primary-dark);
  background: var(--primary-bg);
  box-shadow: 0 0 0 2px var(--primary-glow);
}

.file-dropzone {
  border: 2px dashed var(--gray-300);
  border-radius: var(--radius-md);
  padding: 16px;
  text-align: center;
  background: var(--gray-50);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.file-dropzone:hover {
  border-color: var(--primary);
  background: #f0fdf4;
}

/* Right Column: Live QR Preview & Actions */
.generator-preview {
  padding: 24px;
  background: #ffffff;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
}

.preview-canvas-card {
  width: 100%;
  max-width: 280px;
  aspect-ratio: 1 / 1;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
  margin-bottom: 16px;
  position: relative;
  overflow: hidden;
}

.preview-canvas-card canvas {
  width: 100% !important;
  height: 100% !important;
  object-fit: contain;
  display: block;
}

.preview-badge {
  position: absolute;
  top: 8px;
  right: 8px;
  background: #f0fdf4;
  color: var(--primary-deep);
  border: 1px solid rgba(0, 198, 117, 0.4);
  font-size: 0.6875rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--radius-xs);
}

/* Resolution Slider */
.slider-control-group {
  width: 100%;
  margin-bottom: 16px;
}

.slider-header {
  display: flex;
  justify-content: space-between;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--dark-muted);
  margin-bottom: 6px;
}

.slider-input {
  width: 100%;
  accent-color: var(--primary-dark);
  cursor: pointer;
}

/* Action Buttons */
.preview-actions-primary {
  width: 100%;
  display: flex;
  gap: 8px;
  margin-bottom: 10px;
}

.btn-generate {
  flex: 1;
  background: var(--primary-deep);
  color: var(--white);
  padding: 11px;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 0.875rem;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: all var(--transition-fast);
}

.btn-generate:hover {
  background: #065f46;
  transform: translateY(-1px);
}

.btn-download-png {
  flex: 1;
  background: #0369a1;
  color: #ffffff;
  padding: 11px;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 0.875rem;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: all var(--transition-fast);
}

.btn-download-png:hover {
  background: #075985;
  transform: translateY(-1px);
}

.vector-downloads-row {
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 6px;
  margin-bottom: 12px;
}

.btn-format-dl {
  background: var(--gray-100);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-sm);
  padding: 7px 4px;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--dark);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
}

.btn-format-dl:hover {
  background: var(--white);
  border-color: var(--dark);
}

.secondary-actions-row {
  width: 100%;
  display: flex;
  gap: 8px;
  margin-bottom: 14px;
}

.btn-secondary-action {
  flex: 1;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  padding: 7px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--dark-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: all var(--transition-fast);
}

.btn-secondary-action:hover {
  border-color: var(--dark);
  color: var(--dark);
}

.btn-templates-modal-trigger {
  width: 100%;
  padding: 10px;
  background: #f0fdf4;
  border: 1.5px dashed rgba(0, 198, 117, 0.6);
  border-radius: var(--radius-md);
  color: var(--primary-deep);
  font-weight: 700;
  font-size: 0.8125rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: all var(--transition-fast);
}

.btn-templates-modal-trigger:hover {
  background: var(--primary-bg);
  border-color: var(--primary-dark);
}

/* ==========================================================================
   Template Modal (Strict 15px radius)
   ========================================================================== */
.modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(15, 23, 42, 0.65);
  backdrop-filter: blur(4px);
  z-index: 999;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-overlay.active {
  display: flex;
}

.modal-card {
  background: var(--white);
  border-radius: var(--radius-box);
  max-width: 740px;
  width: 100%;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--gray-200);
}

.modal-title {
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--dark);
}

.btn-modal-close {
  background: none;
  border: none;
  font-size: 1.4rem;
  color: var(--gray-400);
  cursor: pointer;
  padding: 4px;
}

.btn-modal-close:hover {
  color: var(--dark);
}

.modal-body {
  padding: 20px;
  overflow-y: auto;
}

.templates-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(135px, 1fr));
  gap: 12px;
}

.template-card {
  background: var(--white);
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: 10px;
  display: flex;
  flex-direction: column;
  align-items: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
}

.template-card:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.template-preview-box {
  width: 90px;
  height: 90px;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.template-card-name {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--dark);
}

.template-card-cat {
  font-size: 0.6875rem;
  color: var(--gray-500);
}

/* ==========================================================================
   Professional SEO Sections (Strict 15px Radius, Dense Keyword Backlinks)
   ========================================================================== */
.section-seo {
  padding-top: 48px;
  padding-bottom: 48px;
  width: 100%;
  box-sizing: border-box;
}

.section-header {
  text-align: center;
  max-width: 740px;
  margin: 0 auto 32px;
  padding: 0 4px;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary-deep);
  background: var(--primary-bg);
  border: 1px solid rgba(0, 198, 117, 0.25);
  padding: 4px 12px;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 10px;
}

.section-title {
  font-size: clamp(1.4rem, 2.5vw, 1.85rem);
  font-weight: 800;
  color: var(--dark);
  line-height: 1.3;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.section-desc {
  font-size: 0.9375rem;
  color: var(--dark-muted);
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  width: 100%;
  box-sizing: border-box;
}

.feature-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-box);
  padding: 24px;
  transition: all var(--transition-normal);
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.04);
  position: relative;
  box-sizing: border-box;
}

.feature-card:hover {
  border-color: rgba(0, 198, 117, 0.5);
  transform: translateY(-2px);
  box-shadow: 0 10px 25px -5px rgba(0, 198, 117, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
}

.feature-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--primary-bg), #dcfce7);
  color: var(--primary-deep);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  margin-bottom: 14px;
  border: 1px solid rgba(0, 198, 117, 0.2);
}

.feature-title {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 8px;
}

.feature-text {
  font-size: 0.875rem;
  color: var(--dark-muted);
  line-height: 1.6;
}

.feature-text a {
  color: var(--primary-deep);
  font-weight: 600;
  text-decoration: underline;
}

/* Dedicated QR Types Directory Grid (Modern SaaS Cards) */
.types-directory-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 16px;
  width: 100%;
  box-sizing: border-box;
}

.type-dir-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-box);
  padding: 20px;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.03);
  text-decoration: none;
  position: relative;
  overflow: hidden;
  box-sizing: border-box;
  width: 100%;
}

.type-dir-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--primary-dark));
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.type-dir-card:hover {
  border-color: rgba(0, 198, 117, 0.5);
  box-shadow: 0 8px 20px -4px rgba(0, 198, 117, 0.12), 0 4px 6px -2px rgba(0, 0, 0, 0.03);
  transform: translateY(-2px);
}

.type-dir-card:hover::before {
  opacity: 1;
}

.type-dir-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}

.type-dir-icon-box {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.type-dir-icon-box.icon-url { background: #eff6ff; color: #2563eb; border: 1px solid #bfdbfe; }
.type-dir-icon-box.icon-wifi { background: #ecfdf5; color: #059669; border: 1px solid #a7f3d0; }
.type-dir-icon-box.icon-wa { background: #f0fdf4; color: #16a34a; border: 1px solid #bbf7d0; }
.type-dir-icon-box.icon-vcard { background: #faf5ff; color: #9333ea; border: 1px solid #e9d5ff; }
.type-dir-icon-box.icon-text { background: #f8fafc; color: #475569; border: 1px solid #e2e8f0; }
.type-dir-icon-box.icon-phone { background: #fffbeb; color: #d97706; border: 1px solid #fde68a; }
.type-dir-icon-box.icon-email { background: #f0f9ff; color: #0284c7; border: 1px solid #bae6fd; }
.type-dir-icon-box.icon-pdf { background: #fef2f2; color: #dc2626; border: 1px solid #fecaca; }

.type-dir-card h3 {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--dark);
  margin: 0;
  line-height: 1.3;
}

.type-dir-card p {
  font-size: 0.8125rem;
  color: var(--dark-muted);
  line-height: 1.5;
  margin-bottom: 14px;
  flex-grow: 1;
}

.type-dir-link {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--primary-deep);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap var(--transition-fast);
}

.type-dir-card:hover .type-dir-link {
  gap: 10px;
}

@media (max-width: 640px) {
  .types-directory-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
}

/* Comparison Table with Horizontal Scroll & Featured Highlight */
.comparison-table-wrapper {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-box);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  box-shadow: 0 2px 10px rgba(15, 23, 42, 0.04);
  margin-top: 20px;
  position: relative;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

.mobile-scroll-hint {
  display: none;
  padding: 8px 16px;
  background: #f8fafc;
  border-bottom: 1px solid var(--gray-200);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--dark-muted);
  align-items: center;
  gap: 6px;
  justify-content: center;
}

@media (max-width: 768px) {
  .mobile-scroll-hint {
    display: flex;
  }
}

.comparison-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.875rem;
}

.comparison-table th, .comparison-table td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--gray-200);
}

.comparison-table th {
  background: #f8fafc;
  font-weight: 700;
  color: var(--dark);
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.comparison-table th.highlight, .comparison-table td.highlight {
  background: #f0fdf4;
  color: var(--primary-deep);
  font-weight: 700;
  position: relative;
}

.comparison-table th.highlight {
  border-top: 3px solid var(--primary);
  background: #ecfdf5;
}

.comparison-table tr:hover td {
  background-color: rgba(241, 245, 249, 0.4);
}

.comparison-table tr:hover td.highlight {
  background-color: #e6fced;
}

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

.badge-rec {
  display: inline-block;
  background: #047857;
  color: #ffffff;
  font-size: 0.6875rem;
  font-weight: 800;
  padding: 2px 7px;
  border-radius: var(--radius-xs);
  margin-left: 4px;
  letter-spacing: 0.02em;
}

/* FAQ Accordion */
.faq-list {
  max-width: 780px;
  width: 100%;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
  box-sizing: border-box;
}

.faq-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-box);
  overflow: hidden;
  transition: all var(--transition-fast);
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.02);
  width: 100%;
  box-sizing: border-box;
}

.faq-card.active {
  border-color: rgba(0, 198, 117, 0.6);
  border-left: 3px solid var(--primary);
  box-shadow: 0 4px 12px rgba(0, 198, 117, 0.06);
}

.faq-question {
  padding: 16px 20px;
  font-weight: 700;
  font-size: 0.9375rem;
  color: var(--dark);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  user-select: none;
  gap: 12px;
}

.faq-question i.faq-chevron,
.faq-question i.fa-chevron-down {
  color: var(--gray-400);
  transition: transform 0.25s ease;
  font-size: 0.875rem;
  flex-shrink: 0;
}

.faq-card.active .faq-question i.faq-chevron,
.faq-card.active .faq-question i.fa-chevron-down {
  transform: rotate(180deg);
  color: var(--primary-deep);
}

.faq-answer {
  padding: 0 20px 18px;
  display: none;
  font-size: 0.875rem;
  color: var(--dark-muted);
  line-height: 1.65;
}

.faq-answer a {
  color: var(--primary-deep);
  font-weight: 600;
  text-decoration: underline;
}

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

/* Keyword Cloud Box for SEO Rank Surges */
.seo-keyword-cloud-section {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-box);
  padding: 24px;
  margin: 30px auto;
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.04);
}

.keyword-tags-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.seo-tag-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--dark-muted);
  transition: all var(--transition-fast);
}

.seo-tag-link:hover {
  background: var(--primary-bg);
  border-color: var(--primary);
  color: var(--primary-deep);
  transform: translateY(-1px);
}

/* ==========================================================================
   Professional White Footer with Original Brand Logo & Green Hovers
   ========================================================================== */
.site-footer {
  background: #ffffff;
  color: var(--dark-muted);
  padding: 50px 0 20px;
  margin-top: auto;
  border-top: 1px solid var(--gray-200);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 36px;
  margin-bottom: 36px;
}

@media (max-width: 860px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 540px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

.footer-brand img {
  width: 220px;
  max-width: 100%;
  height: 42px;
  aspect-ratio: 220 / 42;
  object-fit: contain;
  display: block;
  margin-bottom: 12px;
}

.footer-brand p {
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--dark-muted);
  max-width: 320px;
}

.footer-heading {
  font-size: 0.875rem;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 14px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

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

.footer-links a {
  color: var(--dark-muted);
  font-size: 0.875rem;
  font-weight: 500;
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  padding-top: 20px;
  border-top: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.8125rem;
  color: var(--gray-500);
}

.footer-bottom a {
  color: var(--primary-deep);
}

/* Toast Notice */
.toast-notice {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: var(--dark);
  color: var(--white);
  padding: 10px 18px;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  z-index: 1000;
  display: flex;
  align-items: center;
  gap: 8px;
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.toast-notice.show {
  transform: translateY(0);
  opacity: 1;
}