:root {
      /* Primary Colors - from Flutter design system */
      --primary: #00AD37;
      --primary-dark: #008C2E;
      --primary-light: #E6F7EC;
      --secondary: #0097A7;
      --tertiary: #F3A227;
      --error: #FF566C;

      /* Text Colors - Light Mode */
      --text-primary: #404145;
      --text-secondary: #787878;
      --text-tertiary: #989898;

      /* Background Colors - Light Mode */
      --bg-white: #FFFFFF;
      --bg-soft: #F9FAFB;
      --bg-card: #FFFFFF;

      /* Border Colors */
      --border-default: #E0E0E0;
      --border-light: #F0F0F0;

      /* Typography */
      --font-family: 'Roboto Flex', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

      /* Spacing - 4pt grid */
      --space-xs: 4px;
      --space-sm: 8px;
      --space-md: 12px;
      --space-lg: 16px;
      --space-xl: 24px;
      --space-xxl: 32px;
      --space-xxxl: 48px;
      --space-huge: 64px;
      --space-section: 96px;

      /* Border Radius */
      --radius-xs: 6px;
      --radius-sm: 8px;
      --radius-md: 12px;
      --radius-lg: 16px;
      --radius-xl: 20px;
      --radius-round: 999px;

      /* Shadows - Light Mode */
      --shadow-subtle: 0 2px 8px rgba(0, 0, 0, 0.04);
      --shadow-soft: 0 4px 16px rgba(0, 0, 0, 0.08);
      --shadow-medium: 0 8px 24px rgba(0, 0, 0, 0.12);
      --shadow-strong: 0 16px 40px rgba(0, 0, 0, 0.16);
      --shadow-phone: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: var(--font-family);
      background: var(--bg-white);
      color: var(--text-primary);
      line-height: 1.5;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
      overflow-x: hidden;
    }

    /* Typography */
    h1, h2, h3, h4, h5, h6 {
      color: var(--text-primary);
      letter-spacing: -0.02em;
    }

    p {
      color: var(--text-secondary);
    }

    /* Navigation */
    .nav {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.9);
      backdrop-filter: blur(20px);
      border-bottom: 1px solid var(--border-light);
      transition: all 0.3s ease;
    }

    .nav.scrolled {
      box-shadow: var(--shadow-subtle);
    }

    .nav-container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 var(--space-xl);
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }

    .nav-logo {
      display: flex;
      align-items: center;
      gap: var(--space-md);
      font-weight: 700;
      font-size: 1.5rem;
      color: var(--text-primary);
      text-decoration: none;
      transition: all 0.3s ease;
    }

    .nav-logo:hover {
      transform: scale(1.02);
    }

    .nav-logo img {
      width: 40px;
      height: 40px;
      transition: all 0.3s ease;
    }

    .nav-logo span {
      background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }

    .nav-menu {
      display: flex;
      align-items: center;
      gap: var(--space-xl);
    }

    .nav-link {
      color: var(--text-secondary);
      text-decoration: none;
      font-weight: 500;
      font-size: 0.95rem;
      transition: all 0.3s ease;
      position: relative;
      padding: var(--space-sm) 0;
    }

    .nav-link::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0;
      height: 2px;
      background: var(--primary);
      transition: width 0.3s ease;
      border-radius: 2px;
    }

    .nav-link:hover {
      color: var(--text-primary);
    }

    .nav-link:hover::after {
      width: 100%;
    }

    .nav-cta {
      background: var(--primary);
      color: white;
      padding: var(--space-md) var(--space-xl);
      border-radius: var(--radius-sm);
      text-decoration: none;
      font-weight: 600;
      font-size: 0.95rem;
      transition: all 0.3s ease;
      box-shadow: 0 4px 14px rgba(0, 173, 55, 0.25);
    }

    .nav-cta:hover {
      background: var(--primary-dark);
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(0, 173, 55, 0.35);
    }

    .nav-toggle {
      display: none;
      flex-direction: column;
      gap: 5px;
      cursor: pointer;
      padding: var(--space-sm);
    }

    .nav-toggle span {
      width: 24px;
      height: 2px;
      background: var(--text-primary);
      transition: all 0.3s ease;
      border-radius: 2px;
    }

    /* Hero Section */
    .hero {
      min-height: 100vh;
      display: flex;
      align-items: center;
      justify-content: center;
      position: relative;
      background: linear-gradient(180deg, var(--bg-soft) 0%, var(--bg-white) 100%);
      padding: 120px 0 var(--space-section);
      overflow: hidden;
    }

    .hero::before {
      content: '';
      position: absolute;
      top: -50%;
      left: -50%;
      width: 200%;
      height: 200%;
      background: radial-gradient(ellipse at 30% 20%, rgba(0, 173, 55, 0.06) 0%, transparent 50%),
                  radial-gradient(ellipse at 70% 80%, rgba(0, 151, 167, 0.04) 0%, transparent 50%);
      pointer-events: none;
    }

    .hero-container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 var(--space-xl);
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: var(--space-huge);
      align-items: center;
      position: relative;
      z-index: 2;
    }

    .hero-content {
      max-width: 560px;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: var(--space-sm);
      background: var(--primary-light);
      border: 1px solid rgba(0, 173, 55, 0.2);
      border-radius: var(--radius-round);
      padding: var(--space-sm) var(--space-lg);
      margin-bottom: var(--space-xl);
      font-size: 0.875rem;
      font-weight: 500;
      color: var(--primary);
    }

    .hero-badge-dot {
      width: 8px;
      height: 8px;
      background: var(--primary);
      border-radius: 50%;
      animation: pulse 2s infinite;
    }

    @keyframes pulse {
      0%, 100% { opacity: 1; transform: scale(1); }
      50% { opacity: 0.7; transform: scale(1.2); }
    }

    .hero-title {
      font-size: clamp(2.5rem, 5vw, 3.5rem);
      font-weight: 700;
      line-height: 1.1;
      margin-bottom: var(--space-xl);
      color: var(--text-primary);
    }

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

    .hero-subtitle {
      font-size: 1.25rem;
      color: var(--text-secondary);
      line-height: 1.6;
      margin-bottom: var(--space-xxl);
    }

    .hero-buttons {
      display: flex;
      gap: var(--space-lg);
      flex-wrap: wrap;
      align-items: center;
    }

    .store-badge {
      display: inline-block;
      transition: transform 0.3s ease;
    }

    .store-badge:hover {
      transform: translateY(-3px);
    }

    .store-badge img {
      height: 52px;
      width: auto;
    }

    .hero-caption {
      margin-top: var(--space-lg);
      font-size: 0.875rem;
      color: var(--text-tertiary);
    }

    .btn-primary {
      display: inline-flex;
      align-items: center;
      gap: var(--space-sm);
      background: var(--primary);
      color: white;
      padding: var(--space-lg) var(--space-xl);
      border-radius: var(--radius-sm);
      text-decoration: none;
      font-weight: 600;
      font-size: 1rem;
      transition: all 0.3s ease;
      box-shadow: 0 4px 14px rgba(0, 173, 55, 0.25);
      border: none;
      cursor: pointer;
    }

    .btn-primary:hover {
      background: var(--primary-dark);
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(0, 173, 55, 0.35);
    }

    .btn-secondary {
      display: inline-flex;
      align-items: center;
      gap: var(--space-sm);
      background: transparent;
      color: var(--text-primary);
      padding: var(--space-lg) var(--space-xl);
      border-radius: var(--radius-sm);
      text-decoration: none;
      font-weight: 600;
      font-size: 1rem;
      transition: all 0.3s ease;
      border: 1px solid var(--border-default);
    }

    .btn-secondary:hover {
      background: var(--bg-soft);
      border-color: var(--text-tertiary);
    }

    .hero-visual {
      position: relative;
      display: flex;
      justify-content: center;
      align-items: center;
    }

    .phone-showcase {
      position: relative;
      perspective: 1000px;
    }

    /* iPhone Frame Styles */
    .iphone-frame {
      position: relative;
      background: #1a1a1a;
      border-radius: 44px;
      padding: 10px;
      box-shadow:
        var(--shadow-phone),
        inset 0 0 0 2px #333,
        inset 0 0 0 4px #1a1a1a;
    }

    .iphone-frame img {
      display: block;
      width: 100%;
      height: auto;
      border-radius: 34px;
    }

    .phone-main {
      width: 280px;
      position: relative;
      z-index: 3;
      transition: transform 0.6s ease;
    }

    .phone-showcase:hover .phone-main {
      transform: translateY(-10px);
    }

    .phone-secondary {
      width: 240px;
      position: absolute;
      right: -120px;
      top: 60px;
      transform: rotate(8deg);
      opacity: 0.9;
      z-index: 2;
      transition: transform 0.6s ease;
    }

    .phone-showcase:hover .phone-secondary {
      transform: rotate(8deg) translateY(-5px);
    }

    .phone-tertiary {
      width: 220px;
      position: absolute;
      left: -100px;
      top: 100px;
      transform: rotate(-8deg);
      opacity: 0.8;
      z-index: 1;
      transition: transform 0.6s ease;
    }

    .phone-showcase:hover .phone-tertiary {
      transform: rotate(-8deg) translateY(-5px);
    }

    /* Features Section */
    .features-section {
      padding: var(--space-section) 0;
      background: var(--bg-white);
    }

    .section-container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 var(--space-xl);
    }

    .section-header {
      text-align: center;
      max-width: 700px;
      margin: 0 auto var(--space-huge);
    }

    .section-label {
      display: inline-block;
      font-size: 0.875rem;
      font-weight: 600;
      color: var(--primary);
      text-transform: uppercase;
      letter-spacing: 0.1em;
      margin-bottom: var(--space-lg);
    }

    .section-title {
      font-size: clamp(2rem, 4vw, 3rem);
      font-weight: 700;
      line-height: 1.2;
      margin-bottom: var(--space-lg);
      color: var(--text-primary);
    }

    .section-subtitle {
      font-size: 1.125rem;
      color: var(--text-secondary);
      line-height: 1.6;
    }

    .features-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
      gap: var(--space-xl);
    }

    .feature-card {
      background: var(--bg-white);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-lg);
      padding: var(--space-xxl);
      transition: all 0.3s ease;
    }

    .feature-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-medium);
      border-color: transparent;
    }

    .feature-icon {
      width: 56px;
      height: 56px;
      background: var(--primary-light);
      border-radius: var(--radius-md);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.5rem;
      margin-bottom: var(--space-xl);
    }

    .feature-title {
      font-size: 1.25rem;
      font-weight: 600;
      margin-bottom: var(--space-md);
      color: var(--text-primary);
    }

    .feature-description {
      color: var(--text-secondary);
      line-height: 1.6;
    }

    /* Story Sections */
    .story-section {
      padding: var(--space-section) 0;
    }

    .story-section.alt {
      background: var(--bg-soft);
    }

    .story-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: var(--space-huge);
      align-items: center;
    }

    .story-grid.reverse {
      direction: rtl;
    }

    .story-grid.reverse > * {
      direction: ltr;
    }

    .story-content {
      max-width: 520px;
    }

    .story-label {
      display: inline-block;
      font-size: 0.875rem;
      font-weight: 600;
      color: var(--primary);
      text-transform: uppercase;
      letter-spacing: 0.1em;
      margin-bottom: var(--space-lg);
    }

    .story-title {
      font-size: clamp(1.75rem, 3.5vw, 2.5rem);
      font-weight: 700;
      line-height: 1.2;
      margin-bottom: var(--space-lg);
      color: var(--text-primary);
    }

    .story-title .highlight {
      color: var(--primary);
    }

    .story-description {
      font-size: 1.125rem;
      color: var(--text-secondary);
      line-height: 1.7;
      margin-bottom: var(--space-xl);
    }

    .story-features {
      display: flex;
      flex-direction: column;
      gap: var(--space-md);
    }

    .story-feature {
      display: flex;
      align-items: center;
      gap: var(--space-md);
      color: var(--text-secondary);
    }

    .story-feature-icon {
      width: 24px;
      height: 24px;
      background: var(--primary-light);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      font-size: 0.75rem;
      flex-shrink: 0;
    }

    .story-visual {
      display: flex;
      justify-content: center;
      align-items: center;
    }

    .story-phone {
      width: 100%;
      max-width: 320px;
      transition: transform 0.4s ease;
    }

    .story-phone:hover {
      transform: scale(1.02);
    }

    .story-phone img {
      display: block;
      width: 100%;
      height: auto;
      border-radius: 32px;
    }

    /* CTA Section */
    .cta-section {
      padding: var(--space-section) 0;
      background: linear-gradient(135deg, var(--primary-light) 0%, rgba(0, 151, 167, 0.05) 100%);
      position: relative;
      overflow: hidden;
    }

    .cta-section::before {
      content: '';
      position: absolute;
      top: 0;
      right: 0;
      width: 400px;
      height: 400px;
      background: radial-gradient(circle, rgba(0, 173, 55, 0.1) 0%, transparent 70%);
      pointer-events: none;
    }

    .cta-container {
      max-width: 800px;
      margin: 0 auto;
      padding: 0 var(--space-xl);
      text-align: center;
      position: relative;
      z-index: 2;
    }

    .cta-title {
      font-size: clamp(2rem, 4vw, 3rem);
      font-weight: 700;
      line-height: 1.2;
      margin-bottom: var(--space-lg);
      color: var(--text-primary);
    }

    .cta-subtitle {
      font-size: 1.125rem;
      color: var(--text-secondary);
      line-height: 1.6;
      margin-bottom: var(--space-xxl);
    }

    .store-buttons {
      display: flex;
      justify-content: center;
      gap: var(--space-lg);
      flex-wrap: wrap;
      align-items: center;
    }

    .store-button {
      height: 56px;
      transition: transform 0.3s ease;
    }

    .store-button:hover {
      transform: scale(1.05);
    }

    .store-button.disabled {
      opacity: 0.5;
      filter: grayscale(100%);
      cursor: not-allowed;
      position: relative;
    }

    .coming-soon-badge {
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      background: var(--text-primary);
      color: white;
      padding: 4px 12px;
      border-radius: var(--radius-xs);
      font-size: 0.75rem;
      font-weight: 600;
      white-space: nowrap;
    }

    /* Support Section */
    .support-section {
      padding: var(--space-section) 0;
      background: var(--bg-white);
    }

    .support-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: var(--space-xl);
      max-width: 800px;
      margin: 0 auto;
    }

    .support-card {
      background: var(--bg-soft);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-lg);
      padding: var(--space-xxl);
      transition: all 0.3s ease;
    }

    .support-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-soft);
    }

    .support-icon {
      font-size: 2rem;
      margin-bottom: var(--space-lg);
    }

    .support-title {
      font-size: 1.25rem;
      font-weight: 600;
      margin-bottom: var(--space-md);
      color: var(--text-primary);
    }

    .support-description {
      color: var(--text-secondary);
      line-height: 1.6;
      margin-bottom: var(--space-lg);
    }

    .support-link {
      color: var(--primary);
      font-weight: 600;
      text-decoration: none;
      transition: color 0.3s ease;
    }

    .support-link:hover {
      color: var(--primary-dark);
    }

    /* FAQ Section */
    .faq-section {
      padding: var(--space-section) 0;
      background: var(--bg-soft);
    }

    .faq-list {
      max-width: 800px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: var(--space-lg);
    }

    .faq-item {
      background: var(--bg-white);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: var(--space-xl);
      transition: all 0.3s ease;
    }

    .faq-item:hover {
      box-shadow: var(--shadow-subtle);
    }

    .faq-question {
      font-size: 1.125rem;
      font-weight: 600;
      margin-bottom: var(--space-md);
      color: var(--text-primary);
    }

    .faq-answer {
      color: var(--text-secondary);
      line-height: 1.7;
    }

    .faq-answer a {
      color: var(--primary);
      text-decoration: none;
    }

    .faq-answer a:hover {
      text-decoration: underline;
    }

    /* Footer */
    .footer {
      padding: var(--space-xxxl) 0 var(--space-xxl);
      background: var(--bg-soft);
      border-top: 1px solid var(--border-light);
    }

    .footer-container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 var(--space-xl);
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: var(--space-xl);
    }

    .footer-brand {
      display: flex;
      align-items: center;
      gap: var(--space-md);
    }

    .footer-brand img {
      border-radius: var(--radius-sm);
    }

    .footer-copyright {
      color: var(--text-tertiary);
      font-size: 0.875rem;
    }

    .footer-links {
      display: flex;
      flex-wrap: wrap;
      gap: var(--space-lg);
      justify-content: center;
    }

    .footer-link {
      color: var(--text-secondary);
      text-decoration: none;
      font-size: 0.875rem;
      transition: color 0.3s ease;
    }

    .footer-link:hover {
      color: var(--primary);
    }

    .footer-apps {
      display: flex;
      gap: var(--space-md);
      align-items: center;
    }

    .footer-apps img {
      height: 40px;
      width: auto;
      transition: transform 0.3s ease;
    }

    .footer-apps a:hover img {
      transform: scale(1.05);
    }

    @media (max-width: 768px) {
      .footer-container {
        flex-direction: column;
        text-align: center;
      }

      .footer-brand {
        flex-direction: column;
      }

      .footer-links {
        gap: var(--space-md);
      }
    }

    /* Animations */
    .fade-in-up {
      opacity: 0;
      transform: translateY(30px);
      animation: fadeInUp 0.8s ease forwards;
    }

    @keyframes fadeInUp {
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    .delay-1 { animation-delay: 0.1s; }
    .delay-2 { animation-delay: 0.2s; }
    .delay-3 { animation-delay: 0.3s; }
    .delay-4 { animation-delay: 0.4s; }
    .delay-5 { animation-delay: 0.5s; }

    .scroll-reveal {
      opacity: 0;
      transform: translateY(30px);
      transition: all 0.6s ease;
    }

    .scroll-reveal.revealed {
      opacity: 1;
      transform: translateY(0);
    }

    /* Mobile Menu */
    .nav-menu-open {
      position: fixed;
      top: 72px;
      left: 0;
      right: 0;
      background: rgba(255, 255, 255, 0.98);
      backdrop-filter: blur(20px);
      border-bottom: 1px solid var(--border-light);
      flex-direction: column;
      align-items: center;
      gap: var(--space-lg);
      padding: var(--space-xxl) var(--space-lg);
      box-shadow: var(--shadow-medium);
      z-index: 999;
    }

    .nav-toggle-open span:nth-child(1) {
      transform: rotate(45deg) translate(5px, 5px);
    }

    .nav-toggle-open span:nth-child(2) {
      opacity: 0;
    }

    .nav-toggle-open span:nth-child(3) {
      transform: rotate(-45deg) translate(7px, -6px);
    }

    /* Responsive */
    @media (max-width: 1024px) {
      .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--space-xxl);
      }

      .hero-content {
        max-width: 100%;
      }

      .hero-buttons {
        justify-content: center;
      }

      .phone-secondary,
      .phone-tertiary {
        display: none;
      }

      .phone-main {
        width: 240px;
      }

      .iphone-frame {
        border-radius: 36px;
        padding: 8px;
      }

      .iphone-frame img {
        border-radius: 28px;
      }

      .story-grid {
        grid-template-columns: 1fr;
        gap: var(--space-xxl);
        text-align: center;
      }

      .story-grid.reverse {
        direction: ltr;
      }

      .story-content {
        max-width: 100%;
      }

      .story-features {
        align-items: center;
      }
    }

    @media (max-width: 768px) {
      .nav-menu {
        display: none;
      }

      .nav-menu.nav-menu-open {
        display: flex;
      }

      .nav-toggle {
        display: flex;
      }

      .nav-container {
        padding: 0 var(--space-lg);
      }

      .section-container {
        padding: 0 var(--space-lg);
      }

      .hero {
        padding: 100px 0 var(--space-huge);
      }

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

      .phone-main {
        width: 200px;
      }

      .story-phone {
        max-width: 240px;
      }

      .iphone-frame {
        border-radius: 28px;
        padding: 6px;
      }

      .iphone-frame img {
        border-radius: 22px;
      }
    }

    @media (max-width: 480px) {
      .hero-buttons {
        flex-direction: column;
        width: 100%;
        gap: var(--space-md);
      }

      .store-badge img {
        height: 48px;
      }

      .hero-caption {
        text-align: center;
      }

      .btn-primary,
      .btn-secondary {
        width: 100%;
        justify-content: center;
      }

      .store-buttons {
        flex-direction: column;
      }
    }

    /* Language Selector */
    .lang-select {
      position: relative;
    }

    .lang-trigger {
      display: inline-flex;
      align-items: center;
      gap: var(--space-sm);
      background: transparent;
      border: 1px solid var(--border-default);
      border-radius: var(--radius-round);
      padding: 9px var(--space-md);
      font-family: inherit;
      font-size: 0.9rem;
      font-weight: 500;
      color: var(--text-secondary);
      cursor: pointer;
      transition: all 0.25s ease;
      line-height: 1;
    }

    .lang-trigger:hover {
      color: var(--text-primary);
      border-color: var(--text-tertiary);
    }

    .lang-globe {
      width: 18px;
      height: 18px;
      flex-shrink: 0;
    }

    .lang-chevron {
      width: 14px;
      height: 14px;
      flex-shrink: 0;
      opacity: 0.6;
      transition: transform 0.25s ease;
    }

    .lang-select.open .lang-trigger {
      color: var(--text-primary);
      border-color: var(--primary);
    }

    .lang-select.open .lang-chevron {
      transform: rotate(180deg);
    }

    .lang-menu {
      position: absolute;
      top: calc(100% + var(--space-sm));
      right: 0;
      min-width: 248px;
      background: var(--bg-white);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-medium);
      padding: var(--space-xs);
      opacity: 0;
      visibility: hidden;
      transform: translateY(-8px) scale(0.98);
      transform-origin: top right;
      transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
      z-index: 1100;
    }

    .lang-select.open .lang-menu {
      opacity: 1;
      visibility: visible;
      transform: translateY(0) scale(1);
    }

    .lang-option {
      display: flex;
      align-items: center;
      gap: var(--space-md);
      padding: var(--space-md);
      border-radius: var(--radius-sm);
      text-decoration: none;
      transition: background 0.2s ease;
    }

    .lang-option:hover {
      background: var(--bg-soft);
    }

    .lang-flag {
      width: 30px;
      height: 30px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.1rem;
      line-height: 1;
      background: var(--bg-soft);
      box-shadow: inset 0 0 0 1px var(--border-light);
      flex-shrink: 0;
    }

    .lang-text {
      display: flex;
      flex-direction: column;
      gap: 2px;
      flex: 1;
      min-width: 0;
    }

    .lang-name {
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--text-primary);
      line-height: 1.15;
    }

    .lang-region {
      font-size: 0.78rem;
      color: var(--text-tertiary);
      line-height: 1.15;
    }

    .lang-check {
      width: 18px;
      height: 18px;
      color: var(--primary);
      flex-shrink: 0;
      opacity: 0;
    }

    .lang-option.active {
      background: var(--primary-light);
    }

    .lang-option.active .lang-name {
      color: var(--primary-dark);
    }

    .lang-option.active .lang-check {
      opacity: 1;
    }

    @media (max-width: 768px) {
      .lang-select {
        width: 100%;
        margin-top: var(--space-sm);
      }

      .lang-trigger {
        width: 100%;
        justify-content: center;
      }

      .lang-menu {
        position: static;
        width: 100%;
        min-width: 0;
        margin-top: var(--space-sm);
        box-shadow: none;
        border: none;
        padding: 0;
        opacity: 1;
        visibility: hidden;
        transform: none;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.25s ease, visibility 0.25s;
      }

      .lang-select.open .lang-menu {
        visibility: visible;
        max-height: 320px;
        padding: var(--space-xs);
        border: 1px solid var(--border-light);
      }
    }