/* ---------------------------------------------------------------------
       CSS Variables & Apple-Style Base Theme
    --------------------------------------------------------------------- */
    :root {
      /* Colors */
      --bg-color: #FBFBFD;
      --surface-color: #FFFFFF;
      --surface-alt: #F5F5F7;
      --text-primary: #1D1D1F;
      --text-secondary: #86868B;
      --accent: #E5A00D;
      --accent-hover: #C88A0A;
      --accent-light: rgba(229, 160, 13, 0.1);
      --link-color: #0066CC;
      --border-color: #D2D2D7;
      
      /* Typography */
      --font-stack: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
      --font-heading: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
      
      /* Fluid Spacing & Sizes */
      --max-width: 1200px;
      --radius-sm: 12px;
      --radius-md: 24px;
      --radius-lg: 40px;
      --nav-height: 80px;
      
      /* Shadows & Effects */
      --shadow-sm: 0 4px 14px rgba(0, 0, 0, 0.04);
      --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.08);
      --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.12);
      --glass-bg: rgba(255, 255, 255, 0.85);
      --glass-blur: blur(24px);
      
      /* Transitions */
      --transition-fast: 0.2s cubic-bezier(0.25, 0.1, 0.25, 1);
      --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    }

    /* ---------------------------------------------------------------------
       Reset & Globals
    --------------------------------------------------------------------- */
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    
    html {
      scroll-behavior: smooth;
      font-size: 16px;
      -webkit-tap-highlight-color: transparent;
    }
    
    body {
      font-family: var(--font-stack);
      background-color: var(--bg-color);
      color: var(--text-primary);
      line-height: 1.5;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
      overflow-x: hidden;
    }

    img, svg { display: block; max-width: 100%; height: auto; }
    a { color: inherit; text-decoration: none; transition: color var(--transition-fast); }
    button { background: none; border: none; font: inherit; cursor: pointer; color: inherit; }
    ul, ol { list-style: none; }
    
    /* Accessibility */
    .sr-only {
      position: absolute;
      width: 1px; height: 1px; padding: 0; margin: -1px;
      overflow: hidden; clip: rect(0, 0, 0, 0); border: 0;
    }
    
    :focus-visible {
      outline: 3px solid var(--link-color);
      outline-offset: 2px;
      border-radius: 4px;
    }

    /* Scroll Reveal Animation */
    .reveal {
      opacity: 0;
      transform: translateY(30px);
      transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .reveal.is-visible { opacity: 1; transform: translateY(0); }
    
    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      .reveal { opacity: 1; transform: none; transition: none; }
      *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
    }

    /* ---------------------------------------------------------------------
       Typography
    --------------------------------------------------------------------- */
    h1, h2, h3, h4 { font-family: var(--font-heading); font-weight: 700; letter-spacing: -0.03em; line-height: 1.1; }
    
    .text-eyebrow {
      font-size: clamp(0.75rem, 2vw, 0.875rem);
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0.1em;
      color: var(--text-secondary);
      margin-bottom: 0.5rem;
    }
    
    .text-title { font-size: clamp(2.5rem, 5vw, 4.5rem); margin-bottom: 1.5rem; }
    .text-title em { font-style: italic; color: var(--accent); }
    .text-section { font-size: clamp(2rem, 4vw, 3.5rem); margin-bottom: 1rem; }
    .text-lead { font-size: clamp(1.125rem, 2vw, 1.25rem); color: var(--text-secondary); max-width: 700px; margin: 0 auto; line-height: 1.6; }

    /* Buttons */
    .btn {
      display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
      padding: 0.875rem 1.75rem; border-radius: 999px;
      font-weight: 600; font-size: 1rem;
      transition: all var(--transition-fast);
      text-align: center;
    }
    .btn--primary { background: var(--text-primary); color: var(--surface-color); }
    .btn--primary:hover { background: var(--accent); color: var(--surface-color); transform: scale(1.02); }
    .btn--outline { border: 2px solid var(--surface-color); color: var(--surface-color); }
    .btn--outline:hover { background: var(--surface-color); color: var(--text-primary); }

    /* Layout Utilities */
    .container { width: 100%; max-width: var(--max-width); margin: 0 auto; padding: 0 1.5rem; }
    .section-pad { padding: clamp(4rem, 8vw, 8rem) 0; }
    .text-center { text-align: center; }

    /* ---------------------------------------------------------------------
       Header & Navigation
    --------------------------------------------------------------------- */
    .site-header {
      position: fixed; top: 0; left: 0; width: 100%; z-index: 100;
      background: var(--glass-bg); backdrop-filter: var(--glass-blur); -webkit-backdrop-filter: var(--glass-blur);
      border-bottom: 1px solid rgba(0,0,0,0.05);
      transition: transform var(--transition-smooth);
    }
    
    .header-top {
      background: var(--surface-alt);
      font-size: 0.75rem; font-weight: 500;
      padding: 0.5rem 0; border-bottom: 1px solid var(--border-color);
      display: none; /* Hidden on smallest mobile */
    }
    @media (min-width: 768px) { .header-top { display: block; } }
    
    .header-top__inner { display: flex; justify-content: space-between; align-items: center; }
    .header-top__links { display: flex; gap: 1.5rem; align-items: center; color: var(--text-secondary); }
    .header-top__links a:hover { color: var(--text-primary); }
    
    .lang-switch img { width: 20px; height: 15px; border-radius: 2px; }

    .header-main { height: var(--nav-height); display: flex; align-items: center; }
    .header-main__inner { display: flex; justify-content: space-between; align-items: center; width: 100%; }
    
    .logo img { height: 48px; width: auto; object-fit: contain; mix-blend-mode: multiply; }
    
    .desktop-nav { display: none; }
    @media (min-width: 1024px) {
      .desktop-nav { display: flex; align-items: center; gap: 2rem; }
      .nav-item { position: relative; }
      .nav-link { font-weight: 500; color: var(--text-primary); padding: 0.5rem 0; display: flex; align-items: center; gap: 0.25rem; }
      .nav-link:hover { color: var(--accent); }
      
      .dropdown {
        position: absolute; top: 100%; left: 50%; transform: translateX(-50%) translateY(10px);
        background: var(--surface-color); border-radius: var(--radius-sm);
        box-shadow: var(--shadow-md); padding: 0.5rem 0; min-width: 220px;
        opacity: 0; visibility: hidden; pointer-events: none;
        transition: all var(--transition-fast);
      }
      .nav-item:hover .dropdown, .nav-item:focus-within .dropdown {
        opacity: 1; visibility: visible; pointer-events: auto; transform: translateX(-50%) translateY(0);
      }
      .dropdown a {
        display: block; padding: 0.75rem 1.5rem; font-size: 0.875rem; color: var(--text-primary); transition: background var(--transition-fast);
      }
      .dropdown a:hover { background: var(--surface-alt); color: var(--accent); }
    }

    .mobile-menu-btn {
      display: flex; align-items: center; justify-content: center;
      width: 44px; height: 44px; border-radius: 50%; background: var(--surface-alt);
    }
    @media (min-width: 1024px) { .mobile-menu-btn { display: none; } }

    /* ---------------------------------------------------------------------
       Mobile Menu
    --------------------------------------------------------------------- */
    .mobile-menu {
      position: fixed; inset: 0; z-index: 200; pointer-events: none;
      display: flex; justify-content: flex-end;
    }
    .mobile-menu.is-open { pointer-events: auto; }
    
    .mobile-menu__backdrop {
      position: absolute; inset: 0; background: rgba(0,0,0,0.4);
      backdrop-filter: blur(4px); opacity: 0; transition: opacity var(--transition-smooth);
    }
    .mobile-menu.is-open .mobile-menu__backdrop { opacity: 1; }
    
    .mobile-menu__panel {
      position: relative; width: 100%; max-width: 400px; height: 100%;
      background: var(--surface-color); box-shadow: var(--shadow-lg);
      transform: translateX(100%); transition: transform var(--transition-smooth);
      display: flex; flex-direction: column;
    }
    .mobile-menu.is-open .mobile-menu__panel { transform: translateX(0); }
    
    .mobile-menu__header { padding: 1.5rem; display: flex; justify-content: flex-end; border-bottom: 1px solid var(--border-color); }
    .mobile-menu__close { width: 44px; height: 44px; border-radius: 50%; background: var(--surface-alt); display: flex; align-items: center; justify-content: center; }
    
    .mobile-menu__body { padding: 1.5rem; overflow-y: auto; flex: 1; display: flex; flex-direction: column; gap: 1rem; }
    .mobile-menu__link { display: block; font-size: 1.25rem; font-weight: 600; padding: 0.75rem 0; border-bottom: 1px solid var(--border-color); }
    .mobile-menu__sub { padding-left: 1rem; margin-top: 0.5rem; display: none; flex-direction: column; gap: 0.5rem; }
    .mobile-menu__sub a { font-size: 1rem; color: var(--text-secondary); padding: 0.25rem 0; }
    .mobile-menu__item.is-open .mobile-menu__sub { display: flex; }
    .mobile-menu__toggle { display: flex; justify-content: space-between; align-items: center; width: 100%; }

    /* ---------------------------------------------------------------------
       Hero Section
    --------------------------------------------------------------------- */
    .hero {
      width: 100%;
      max-width: none;
      padding-top: var(--nav-height);
      padding-bottom: 4rem;
      padding-left: 0;
      padding-right: 0;
    }
    .hero__card {
      position: relative; border-radius: 0; overflow: hidden;
      width: 100%;
      min-height: calc(100vh - var(--nav-height)); display: flex; flex-direction: column; justify-content: center; align-items: center;
      padding: 4rem 1.5rem; text-align: center;
      background: #000; color: #fff;
    }
    .hero__bg {
      position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
      opacity: 1; z-index: 0; mix-blend-mode: normal;
      filter: brightness(0.78) saturate(1.08);
    }
    .hero__content { position: relative; z-index: 1; max-width: 1180px; width: 100%; }
    .hero .text-eyebrow {
      color: rgba(255,255,255,0.98);
      text-shadow: 0 2px 10px rgba(0,0,0,0.55);
    }
    .destination .text-eyebrow,
    .dest-content .text-eyebrow {
      color: rgba(255,255,255,0.98);
      text-shadow: 0 2px 10px rgba(0,0,0,0.55);
    }

    /* Search Form inside Hero */
    .search-dock {
      margin: 3rem auto 0;
      max-width: 1120px;
      width: 100%;
      background: var(--glass-bg);
      backdrop-filter: var(--glass-blur);
      -webkit-backdrop-filter: var(--glass-blur);
      border-radius: 24px;
      padding: 0.75rem;
      display: grid;
      grid-template-columns: minmax(0, 1fr);
      gap: 0.5rem;
      box-shadow: var(--shadow-lg);
      border: 1px solid rgba(255,255,255,0.4);
    }
    @media (min-width: 992px) {
      .search-dock {
        grid-template-columns: minmax(0,1fr) minmax(0,1fr) minmax(0,1fr) 160px 160px 80px;
        align-items: center;
      }
    }

    .search-field { position: relative; min-width: 0; }
    .search-btn {
      width: 100%;
      min-height: 64px;
      text-align: left;
      padding: 0.75rem 1rem;
      border-radius: 14px;
      background: rgba(255,255,255,0.94);
      border: 1px solid rgba(0,0,0,0.08);
      transition: var(--transition-smooth);
      display: flex;
      flex-direction: column;
      justify-content: center;
      box-shadow: 0 1px 0 rgba(255,255,255,0.35) inset;
    }
    .search-btn:hover, .search-btn[aria-expanded="true"] {
      background: #FFFFFF;
      border-color: rgba(229,160,13,0.45);
    }

    .search-label { font-size: 0.75rem; text-transform: none; font-weight: 500; color: var(--text-primary); opacity: 0.8; letter-spacing: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
    .search-val { font-size: 0.95rem; font-weight: 600; color: var(--text-primary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; display: block; margin-top: 0.15rem;}

    .search-submit {
      background: var(--accent);
      color: #fff;
      border-radius: 14px;
      min-height: 64px;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: all var(--transition-fast);
      width: 100%;
      padding: 0 1rem;
    }
    .search-submit:hover { background: var(--accent-hover); transform: translateY(-1px); }

    /* Custom Dropdowns */
    .search-menu {
      position: absolute; top: calc(100% + 10px); left: 0; z-index: 50;
      background: var(--surface-color); border-radius: var(--radius-md);
      box-shadow: var(--shadow-float); padding: 0.5rem;
      width: calc(100vw - 3rem); max-width: 300px;
      opacity: 0; visibility: hidden; transform: translateY(-10px); transition: all var(--transition-fast);
    }
    @media (min-width: 1024px) { .search-menu { width: 250px; } }
    .search-menu.is-open { opacity: 1; visibility: visible; transform: translateY(0); }
    
    .search-menu li { display: block; }
    .search-menu button {
      width: 100%; text-align: left; padding: 0.75rem 1rem; font-size: 0.95rem; font-weight: 500;
      color: var(--text-primary); border-radius: var(--radius-sm); transition: background var(--transition-fast);
    }
    .search-menu button:hover, .search-menu button:focus-visible { background: var(--surface-alt); color: var(--accent); }

    /* ---------------------------------------------------------------------
       Reasons Section
    --------------------------------------------------------------------- */
    .reasons { background: var(--surface-color); }
    .reasons__grid {
      display: grid; grid-template-columns: 1fr; gap: 4rem; align-items: center; margin-top: 4rem;
    }
    @media (min-width: 1024px) { .reasons__grid { grid-template-columns: 1fr 1fr; } }
    
    .feature-list { display: grid; gap: 2rem; }
    .feature-card { display: flex; gap: 1.5rem; align-items: flex-start; }
    .feature-icon {
      width: 64px; height: 64px; border-radius: var(--radius-sm);
      background: linear-gradient(135deg, rgba(229, 160, 13, 0.12), rgba(229, 160, 13, 0.2));
      border: 1px solid rgba(229, 160, 13, 0.16);
      box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.65);
      color: var(--text-primary);
      display: flex; align-items: center; justify-content: center; flex-shrink: 0;
    }
    .feature-icon svg {
      width: 32px; height: 32px;
      opacity: 0.82;
    }
    .feature-card h3 { font-size: 1.25rem; margin-bottom: 0.5rem; }
    .feature-card p { color: var(--text-secondary); font-size: 0.95rem; }

    .reasons__collage { position: relative; height: 500px; width: 100%; }
    .reasons__img {
      position: absolute; border-radius: var(--radius-md); box-shadow: var(--shadow-lg); object-fit: cover;
    }
    .reasons__img--back { width: 70%; height: 80%; top: 0; right: 0; filter: brightness(0.9); transform: rotate(3deg); }
    .reasons__img--front { width: 65%; height: 75%; bottom: 0; left: 0; border: 8px solid var(--surface-color); z-index: 2; transform: rotate(-2deg); }

    .editorial-box {
      background: var(--surface-alt); border-radius: var(--radius-md); padding: 3rem; margin-top: 4rem;
    }
    .editorial-box p { margin-bottom: 1.5rem; color: var(--text-secondary); line-height: 1.8; }
    .editorial-box p:last-child { margin-bottom: 0; }

    /* ---------------------------------------------------------------------
       Booking Gallery
    --------------------------------------------------------------------- */
    .gallery { background: var(--surface-alt); }
    .gallery__grid {
      display: grid; grid-template-columns: 1fr; gap: 2rem; margin-top: 3rem;
    }
    @media (min-width: 768px) { .gallery__grid { grid-template-columns: repeat(3, 1fr); } }
    
    .gallery__item {
      position: relative; border-radius: var(--radius-md); overflow: hidden; aspect-ratio: 3/4;
    }
    .gallery__item img {
      width: 100%; height: 100%; object-fit: cover; transition: transform var(--transition-smooth);
    }
    .gallery__item:hover img { transform: scale(1.05); }

    /* ---------------------------------------------------------------------
       Testimonials (Smooth Snap Slider)
    --------------------------------------------------------------------- */
    .testimonials { background: var(--surface-color); overflow: hidden; }
    .testimonials-stage {
      position: relative;
      display: flex;
      align-items: center;
      justify-content: center;
      min-height: 500px;
      user-select: none;
      cursor: grab;
    }
    .testimonials-stage:active { cursor: grabbing; }
    @media (min-width: 768px) {
      .testimonials-stage { min-height: 540px; }
    }

    .testimonial-card {
      position: absolute;
      width: min(100% - 2rem, 400px);
      max-width: 400px;
      background: var(--surface-alt);
      padding: 2.5rem;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      gap: 1.5rem;
      text-align: center;
      align-items: center;
      opacity: 0;
      pointer-events: none;
      transition: opacity var(--transition-smooth), transform var(--transition-smooth), box-shadow var(--transition-smooth);
      transform: scale(0.92);
    }

    .testimonial-card.is-active {
      opacity: 1;
      pointer-events: auto;
      transform: translateX(0) scale(1);
      z-index: 3;
      box-shadow: var(--shadow-md);
    }

    @media (min-width: 768px) {
      .testimonial-card.is-prev {
        opacity: 0.55;
        transform: translateX(calc(-100% - 2rem)) scale(0.94);
        z-index: 1;
      }
      .testimonial-card.is-next {
        opacity: 0.55;
        transform: translateX(calc(100% + 2rem)) scale(0.94);
        z-index: 1;
      }
    }

    .testimonial-card h3 { font-size: 1.25rem; font-style: italic; color: var(--text-primary); }
    .testimonial-card p { flex: 1; font-size: 0.95rem; color: var(--text-secondary); line-height: 1.6; }
    .testimonial-author { display: flex; align-items: center; justify-content: center; gap: 1rem; text-align: center; }
    .testimonial-author img { width: 48px; height: 48px; border-radius: 50%; object-fit: cover; }
    .testimonial-author span { font-weight: 600; font-size: 0.95rem; }

    .slider-controls { display: flex; justify-content: center; gap: 0.5rem; margin-top: 2rem; }
    .slider-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--border-color); transition: all var(--transition-fast); }
    .slider-dot.is-active { background: var(--text-primary); transform: scale(1.3); }

    /* ---------------------------------------------------------------------
       Destination Parallax
    --------------------------------------------------------------------- */
    .destination { padding-inline: 0; }
    .dest-card {
      position: relative; border-radius: 0; overflow: hidden;
      min-height: 70vh; display: flex; flex-direction: column; justify-content: center; align-items: center;
      padding: 4rem 1.5rem; text-align: center; color: #fff;
      background: #000 url('https://irmusta.lt/wp-content/uploads/2024/06/photo-1548678967-f1aec58f6fb2.avif') center center / cover no-repeat;
      isolation: isolate;
    }
    .dest-card::before {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(to top, rgba(0, 0, 0, 0.45), rgba(0, 0, 0, 0.2));
      z-index: 0;
    }
    .dest-card img {
      display: none;
    }
    .dest-content { position: relative; z-index: 1; }
    .dest-pin { position: absolute; bottom: 2rem; left: 2rem; display: flex; align-items: center; gap: 0.5rem; font-weight: 600; z-index: 1; }

    /* ---------------------------------------------------------------------
       Travel Styles
    --------------------------------------------------------------------- */
    .styles { background: var(--surface-color); }
    .styles__grid {
      display: grid; grid-template-columns: 1fr; gap: 2rem; margin-top: 3rem;
    }
    @media (min-width: 1024px) { .styles__grid { grid-template-columns: repeat(3, 1fr); } }
    
    .style-card {
      position: relative; height: 500px; border-radius: var(--radius-md); overflow: hidden;
      display: flex; align-items: flex-end; padding: 2rem; color: #fff; background: #000;
      text-decoration: none;
    }
    .style-card img {
      position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0.7; transition: transform var(--transition-smooth), opacity var(--transition-smooth);
    }
    .style-card::after {
      content: ''; position: absolute; inset: 0; background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, transparent 60%); pointer-events: none;
    }
    .style-content { position: relative; z-index: 2; transform: translateY(20px); transition: transform var(--transition-smooth); }
    .style-card h3 { font-size: 2rem; margin-bottom: 0.5rem; }
    .style-card p { font-size: 0.95rem; opacity: 0; transition: opacity var(--transition-smooth); line-height: 1.5; }
    
    .style-card:hover img { transform: scale(1.05); opacity: 0.5; }
    .style-card:hover .style-content, .style-card:focus-visible .style-content { transform: translateY(0); }
    .style-card:hover p, .style-card:focus-visible p { opacity: 1; }

    /* ---------------------------------------------------------------------
       Partners
    --------------------------------------------------------------------- */
    .partners { background: var(--surface-alt); padding: 4rem 0; text-align: center; }
    .partners__grid {
      display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 3rem; margin-top: 2rem; opacity: 0.6;
    }
    .partners__grid img { max-height: 40px; width: auto; mix-blend-mode: multiply; filter: grayscale(100%); transition: all var(--transition-fast); }
    .partners__grid img:hover { filter: grayscale(0%); transform: scale(1.05); opacity: 1; }

    /* ---------------------------------------------------------------------
       Footer
    --------------------------------------------------------------------- */
    .footer { background: var(--text-primary); color: #fff; padding-top: 5rem; }
    .footer__grid { display: grid; grid-template-columns: 1fr; gap: 4rem; padding-bottom: 4rem; }
    @media (min-width: 768px) { .footer__grid { grid-template-columns: 2fr 1fr 1fr; } }
    
    .footer-brand p { color: #A1A1A6; margin: 1.5rem 0; font-size: 0.95rem; max-width: 300px; }
    .social-links { display: flex; gap: 1rem; }
    .social-links a { display: flex; align-items: center; justify-content: center; width: 40px; height: 40px; border-radius: 50%; background: rgba(255,255,255,0.1); transition: background var(--transition-fast); }
    .social-links a:hover { background: var(--accent); }
    
    .footer-col h4 { font-size: 1.1rem; margin-bottom: 1.5rem; }
    .footer-col ul { display: grid; gap: 0.75rem; }
    .footer-col a, .footer-col span { color: #A1A1A6; font-size: 0.95rem; transition: color var(--transition-fast); }
    .footer-col a:hover { color: #fff; }
    
    .footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding: 2rem 0; display: flex; flex-direction: column; align-items: center; gap: 1.5rem; text-align: center; }
    @media (min-width: 768px) { .footer-bottom { flex-direction: row; justify-content: space-between; text-align: left; } }
    
    .footer-legal a { color: #A1A1A6; font-size: 0.85rem; margin-right: 1.5rem; }
    .footer-legal a:hover { color: #fff; }
    .footer-copy { color: #A1A1A6; font-size: 0.85rem; }
    .payment-icons { display: flex; gap: 1rem; align-items: center; }
    .payment-icons img { height: 24px; }

    /* Back to Top */
    .back-to-top {
      position: fixed; bottom: 2rem; right: 2rem; z-index: 90;
      width: 50px; height: 50px; border-radius: 50%; background: var(--text-primary); color: #fff;
      display: flex; align-items: center; justify-content: center;
      box-shadow: var(--shadow-md); opacity: 0; visibility: hidden; transform: translateY(20px);
      transition: all var(--transition-fast);
    }
    .back-to-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }
    .back-to-top:hover { background: var(--accent); transform: translateY(-5px); }