:root {
    --yellow: #F5C518;
    --dark: #121212;
    --darker: #0d0d0d;
    --surface: #1c1c1c;
    --surface-2: #242424;
    --text: #EDEDED;
    --gray: #a8a8a8;
    --light-gray: #1c1c1c;
    --mid-gray: #3a3a3a;
    --white: #FFFFFF;
    --font: 'Segoe UI', Arial, sans-serif;

    --bs-primary: #F5C518;
    --bs-primary-rgb: 245, 197, 24;
  }

  * { box-sizing: border-box; }
  html, body { overflow-x: hidden; max-width: 100%; touch-action: pan-y; }
  body { font-family: var(--font); color: var(--text); background: var(--dark); }

  a { text-decoration: none; }

  /* NAVBAR */
  .navbar-dolphi {
    background: var(--darker);
    padding: 0;
    height: 64px;
    transition: box-shadow 0.3s ease, background 0.3s ease;
  }
  .navbar-dolphi.scrolled {
    box-shadow: 0 8px 24px rgba(0,0,0,0.45);
    background: rgba(13,13,13,0.96);
    backdrop-filter: blur(6px);
  }
  .navbar-dolphi .navbar-brand { display: flex; align-items: center; gap: 12px; }
  .logo-icon {
    width: 40px; height: 40px; object-fit: cover;
    border-radius: 50%; flex-shrink: 0;
    transition: transform 0.5s ease;
  }
  .navbar-brand:hover .logo-icon { transform: rotate(-12deg) scale(1.08); }
  .logo-text { color: var(--white); font-size: 22px; font-weight: 700; letter-spacing: 1px; }
  .navbar-dolphi .nav-link { color: #ccc !important; font-size: 14px; transition: color 0.2s; position: relative; }
  .navbar-dolphi .nav-link:hover { color: var(--yellow) !important; }
  .navbar-dolphi .nav-link::after {
    content: ''; position: absolute; left: 0; bottom: -2px; width: 0; height: 2px;
    background: var(--yellow); transition: width 0.25s ease;
  }
  .navbar-dolphi .nav-link:hover::after { width: 100%; }
  .lang-dropdown .nav-link::after { display: none; }
  .nav-cta {
    background: var(--yellow); color: var(--dark) !important;
    padding: 10px 24px; border-radius: 6px;
    font-weight: 700; font-size: 14px;
    transition: opacity 0.2s, transform 0.2s, box-shadow 0.2s; display: inline-block;
    box-shadow: 0 0 0 rgba(245,197,24,0.5);
    animation: navCtaPulse 3.5s ease-in-out infinite;
  }
  .nav-cta:hover { opacity: 0.9; color: var(--dark) !important; transform: translateY(-2px); animation-play-state: paused; }
  @keyframes navCtaPulse {
    0%, 100% { box-shadow: 0 0 0 rgba(245,197,24,0.45); }
    50% { box-shadow: 0 0 14px rgba(245,197,24,0.65); }
  }

  /* LANGUAGE DROPDOWN */
  .lang-dropdown .nav-link {
    border: 1px solid #444; border-radius: 6px; padding: 6px 14px !important;
    font-size: 13px; font-weight: 600; letter-spacing: .5px;
  }
  .lang-dropdown .nav-link:hover, .lang-dropdown .nav-link.show { border-color: var(--yellow); }
  .lang-dropdown .dropdown-toggle::after { vertical-align: 1px; }
  .lang-dropdown .dropdown-menu {
    background: var(--surface-2); border: 1px solid #333; border-radius: 10px;
    padding: 6px; min-width: 170px; box-shadow: 0 12px 28px rgba(0,0,0,0.5);
  }
  .lang-dropdown .dropdown-item {
    color: #ddd; font-size: 14px; border-radius: 6px; padding: 8px 12px; transition: background 0.15s, color 0.15s;
  }
  .lang-dropdown .dropdown-item:hover, .lang-dropdown .dropdown-item:focus {
    background: rgba(245,197,24,0.12); color: var(--yellow);
  }
  .lang-dropdown .dropdown-item.active {
    background: var(--yellow); color: var(--dark); font-weight: 700;
  }
  .navbar-toggler { border-color: #555; }
  .navbar-toggler .navbar-toggler-icon {
    filter: invert(80%) sepia(50%) saturate(900%) hue-rotate(0deg);
  }
  /* fix: mobile dropdown must be a solid, opaque panel above the hero, not a transparent overlay */
  @media (max-width: 991.98px) {
    .navbar-collapse {
      position: absolute;
      top: 64px;
      left: 0;
      right: 0;
      background: var(--darker);
      border-top: 1px solid #333;
      box-shadow: 0 12px 24px rgba(0,0,0,0.4);
      max-height: calc(100vh - 64px);
      overflow-y: auto;
      z-index: 999;
    }
    .navbar-collapse .navbar-nav { padding: 0 20px; }
    .navbar-collapse .nav-link { padding: 10px 0; border-bottom: 1px solid #2a2a2a; }
  }

  /* HERO — full screen */
  .hero {
    position: relative;
    min-height: calc(100vh - 64px);
    display: flex;
    align-items: center;
    padding: 100px 0 80px;
    overflow: hidden;
    background: var(--dark);
  }
  .hero-video {
    position: absolute; inset: 0; width: 100%; height: 100%;
    object-fit: cover; z-index: 0;
    animation: heroVideoZoom 20s ease-out forwards;
  }
  @keyframes heroVideoZoom {
    0% { transform: scale(1.08); }
    100% { transform: scale(1); }
  }
  .hero-overlay {
    position: absolute; inset: 0; z-index: 1;
    background: linear-gradient(180deg, rgba(12,12,12,0.85) 0%, rgba(12,12,12,0.65) 45%, rgba(12,12,12,0.92) 100%);
  }
  .hero .container { position: relative; z-index: 2; width: 100%; }
  .hero-scroll-cue {
    position: absolute; bottom: 28px; left: 50%; transform: translateX(-50%);
    z-index: 2; color: var(--yellow); font-size: 26px; opacity: 0.85;
    animation: bounce 2s infinite;
  }
  @keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(8px); }
  }
  .hero-tag {
    display: inline-block; background: var(--yellow); color: var(--dark);
    font-size: 12px; font-weight: 700; padding: 4px 14px; border-radius: 20px;
    margin-bottom: 20px; text-transform: uppercase; letter-spacing: 1px;
    opacity: 0; animation: heroFadeUp 0.7s ease forwards;
  }
  .hero h1 {
    color: var(--white); font-size: 56px; line-height: 1.1; font-weight: 800; margin-bottom: 20px;
    opacity: 0; animation: heroFadeUp 0.7s ease 0.12s forwards;
  }
  .hero h1 span { color: var(--yellow); position: relative; display: inline-block; }
  .hero h1 span::after {
    content: ''; position: absolute; left: 0; bottom: 2px; width: 100%; height: 3px;
    background: var(--yellow); transform: scaleX(0); transform-origin: left;
    animation: heroUnderline 0.6s ease 1s forwards;
  }
  @keyframes heroUnderline { to { transform: scaleX(1); } }
  .hero-sub {
    color: #ccc; font-size: 18px; line-height: 1.6; margin-bottom: 36px;
    opacity: 0; animation: heroFadeUp 0.7s ease 0.24s forwards;
  }
  .hero .d-flex.flex-wrap.gap-3 { opacity: 0; animation: heroFadeUp 0.7s ease 0.36s forwards; }
  .hero .col-lg-6:last-child { opacity: 0; animation: heroFadeUp 0.7s ease 0.5s forwards; }
  @keyframes heroFadeUp {
    from { opacity: 0; transform: translateY(22px); }
    to { opacity: 1; transform: translateY(0); }
  }
  .btn-primary-dolphi {
    background: var(--yellow); color: var(--dark); padding: 14px 32px; border-radius: 8px;
    font-weight: 700; font-size: 16px; border: none; transition: opacity 0.2s, transform 0.2s, box-shadow 0.2s; display: inline-block;
  }
  .btn-primary-dolphi:hover { opacity: 0.9; color: var(--dark); transform: translateY(-3px); box-shadow: 0 10px 24px rgba(245,197,24,0.28); }
  .btn-secondary-dolphi {
    background: rgba(255,255,255,0.05); color: var(--white); padding: 14px 32px; border-radius: 8px;
    font-weight: 600; font-size: 16px; border: 2px solid #666; transition: border-color 0.2s, transform 0.2s; display: inline-block;
  }
  .btn-secondary-dolphi:hover { border-color: var(--yellow); color: var(--yellow); transform: translateY(-3px); }

  .stat-card {
    background: rgba(36,36,36,0.85); backdrop-filter: blur(4px); border: 1px solid #333; border-radius: 12px; padding: 28px 20px; text-align: center; height: 100%;
    transition: transform 0.25s ease, border-color 0.25s ease;
  }
  .stat-card:hover { transform: translateY(-4px); border-color: var(--yellow); }
  .stat-card.featured { background: var(--yellow); border-color: var(--yellow); }
  .stat-card.featured .stat-num, .stat-card.featured .stat-label { color: var(--dark); }
  .stat-num { font-size: 44px; font-weight: 800; color: var(--yellow); line-height: 1; }
  .stat-label { font-size: 13px; color: #ccc; margin-top: 6px; }

  /* SCROLL REVEAL */
  .reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.65s ease, transform 0.65s ease; }
  .reveal.in-view { opacity: 1; transform: translateY(0); }

  /* BADGES */
  .badges { background: var(--yellow); padding: 20px 0; }
  .badge-item { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 14px; color: var(--dark); justify-content: center; }

  /* SECTIONS */
  section { padding: 80px 0; }
  .section-label { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 2px; color: var(--yellow); margin-bottom: 12px; }
  .section-title { font-size: 38px; font-weight: 800; line-height: 1.15; margin-bottom: 16px; color: var(--white); }
  .section-sub { font-size: 17px; color: var(--gray); line-height: 1.6; max-width: 600px; margin-bottom: 48px; }

  /* SERVICES */
  .service-card {
    background: var(--surface); border-radius: 12px; padding: 32px 28px;
    border-left: 4px solid var(--yellow); transition: transform 0.3s ease, box-shadow 0.3s ease; height: 100%;
  }
  .service-card:hover { transform: translateY(-6px); box-shadow: 0 14px 32px rgba(0,0,0,0.4); }
  .service-icon { font-size: 36px; margin-bottom: 16px; display: inline-block; transition: transform 0.3s ease; }
  .service-card:hover .service-icon { transform: scale(1.15) rotate(-6deg); }
  .service-title { font-size: 18px; font-weight: 700; margin-bottom: 10px; color: var(--white); }
  .service-desc { font-size: 14px; color: var(--gray); line-height: 1.6; margin-bottom: 16px; }
  .service-price { font-size: 16px; font-weight: 700; color: var(--white); }
  .service-price span { color: var(--gray); font-weight: 400; font-size: 13px; }

  /* ABOUT */
  .about-section { background: var(--darker); }
  .about-section .section-sub { color: #aaa; }
  .ikea-badge {
    display: inline-flex; align-items: center; gap: 10px; background: var(--yellow); color: var(--dark);
    padding: 10px 20px; border-radius: 8px; font-weight: 700; font-size: 15px; margin-bottom: 28px;
  }
  .about-points { list-style: none; padding: 0; display: flex; flex-direction: column; gap: 16px; }
  .about-points li { display: flex; align-items: flex-start; gap: 12px; color: #ccc; font-size: 15px; line-height: 1.5; }
  .about-points li .check { color: var(--yellow); font-size: 18px; flex-shrink: 0; }
  .about-card { background: var(--surface-2); border: 1px solid #333; border-radius: 12px; padding: 24px 20px; text-align: center; height: 100%; transition: transform 0.25s ease, border-color 0.25s ease; }
  .about-card:hover { transform: translateY(-4px); border-color: var(--yellow); }
  .about-card .num { font-size: 40px; font-weight: 800; color: var(--yellow); }
  .about-card .lbl { font-size: 13px; color: #aaa; margin-top: 4px; }

  /* PROCESS */
  .process-section { background: #181818; border-top: 1px solid rgba(255,255,255,0.06); border-bottom: 1px solid rgba(255,255,255,0.06); }
  .step { text-align: center; padding: 32px 20px; position: relative; height: 100%; }
  .step .arrow {
    position: absolute; right: -14px; top: 42px; font-size: 24px; color: var(--yellow);
    animation: arrowFlow 1.6s ease-in-out infinite;
  }
  @keyframes arrowFlow {
    0%, 100% { transform: translateX(0); opacity: 0.7; }
    50% { transform: translateX(5px); opacity: 1; }
  }
  .step-num {
    width: 52px; height: 52px; background: var(--yellow); color: var(--dark); border-radius: 50%;
    display: flex; align-items: center; justify-content: center; font-size: 20px; font-weight: 800; margin: 0 auto 16px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
  }
  .step:hover .step-num { transform: scale(1.1); box-shadow: 0 0 0 6px rgba(245,197,24,0.15); }
  .step-title { font-size: 15px; font-weight: 700; margin-bottom: 8px; color: var(--white); }
  .step-desc { font-size: 13px; color: var(--gray); line-height: 1.5; }

  /* PRICING */
  .price-card {
    background: var(--surface);
    border: 2px solid var(--mid-gray); border-radius: 16px; padding: 36px 28px;
    transition: border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease; height: 100%;
  }
  .price-card:hover { border-color: var(--yellow); transform: translateY(-5px); box-shadow: 0 14px 30px rgba(0,0,0,0.35); }
  .price-card.featured { border-color: var(--yellow); background: rgba(245,197,24,0.07); }
  .price-cat { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; color: var(--gray); margin-bottom: 8px; }
  .price-title { font-size: 20px; font-weight: 800; margin-bottom: 8px; color: var(--white); }
  .price-from { font-size: 36px; font-weight: 800; color: var(--white); margin-bottom: 4px; }
  .price-from small { font-size: 15px; font-weight: 400; color: var(--gray); }
  .price-desc { font-size: 14px; color: var(--gray); margin-bottom: 20px; line-height: 1.5; }
  .price-items { list-style: none; padding: 0; display: flex; flex-direction: column; gap: 8px; }
  .price-items li { font-size: 14px; display: flex; align-items: center; gap: 8px; color: #ddd; }
  .price-items li::before { content: '✓'; color: var(--yellow); font-weight: 700; }

  /* REVIEWS */
  .reviews-section { background: var(--darker); }
  .review-card { background: var(--surface-2); border: 1px solid #333; border-radius: 12px; padding: 28px 24px; height: 100%; transition: transform 0.25s ease, box-shadow 0.25s ease; }
  .review-card:hover { transform: translateY(-4px); box-shadow: 0 12px 26px rgba(0,0,0,0.35); }
  .review-stars { color: var(--yellow); font-size: 18px; margin-bottom: 14px; }
  .review-text { color: #ccc; font-size: 14px; line-height: 1.7; margin-bottom: 20px; font-style: italic; }
  .review-author { color: var(--white); font-weight: 700; font-size: 14px; }
  .review-date { color: #888; font-size: 12px; margin-top: 2px; }

  /* PORTFOLIO */
  .portfolio-section { background: #181818; border-top: 1px solid rgba(255,255,255,0.06); border-bottom: 1px solid rgba(255,255,255,0.06); }
  .portfolio-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 18px;
  }
  .portfolio-item {
    position: relative; border-radius: 12px; overflow: hidden; aspect-ratio: 4/3;
    background: var(--surface); border: 1px solid #333; box-shadow: 0 2px 10px rgba(0,0,0,0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
  }
  .portfolio-item:hover { transform: translateY(-4px); box-shadow: 0 14px 28px rgba(0,0,0,0.4); }
  .portfolio-item img { width: 100%; height: 100%; object-fit: cover; cursor: pointer; transition: transform 0.4s ease; display: block; }
  .portfolio-item:hover img { transform: scale(1.08); }
  .portfolio-empty {
    grid-column: 1 / -1; text-align: center; padding: 40px 20px; color: var(--gray);
    border: 2px dashed var(--mid-gray); border-radius: 12px;
  }
  .portfolio-empty i { font-size: 30px; color: var(--mid-gray); display: block; margin-bottom: 10px; }

  /* CONTACT */
  .contact-section { background: var(--yellow); }
  .contact-section .section-title { color: var(--dark); }
  .contact-section .section-sub { color: #333; }
  .contact-item { display: flex; align-items: center; gap: 14px; margin-bottom: 20px; }
  .contact-icon {
    width: 44px; height: 44px; background: var(--dark); border-radius: 10px; display: flex;
    align-items: center; justify-content: center; font-size: 18px; color: var(--yellow); flex-shrink: 0;
  }
  .contact-item-text strong { display: block; font-size: 15px; color: var(--dark); }
  .contact-item-text span { font-size: 14px; color: #333; }
  .contact-form { background: var(--surface); border: 1px solid #333; border-radius: 16px; padding: 36px 32px; }
  .contact-form h3 { color: var(--white); }
  .contact-form .form-label { font-size: 13px; font-weight: 600; color: #ddd; }
  .contact-form .form-control, .contact-form .form-select {
    background: var(--surface-2); color: var(--text); border: 2px solid var(--mid-gray); border-radius: 8px; padding: 12px 16px; font-size: 15px;
  }
  .contact-form .form-control::placeholder { color: #888; }
  .contact-form .form-control:focus, .contact-form .form-select:focus {
    border-color: var(--yellow); box-shadow: none; background: var(--surface-2); color: var(--text);
  }
  .contact-form .form-select option { background: var(--surface-2); color: var(--text); }
  .form-submit {
    width: 100%; background: var(--dark); color: var(--white); padding: 14px; border: none;
    border-radius: 8px; font-size: 16px; font-weight: 700; transition: opacity 0.2s;
  }
  .form-submit:hover { opacity: 0.85; color: var(--white); }

  /* FOOTER */
  footer { background: var(--darker); padding: 48px 0 24px; }
  .footer-desc { color: #777; font-size: 14px; line-height: 1.6; margin-bottom: 20px; }
  .social-btn {
    width: 38px; height: 38px; background: var(--surface-2); border-radius: 8px; display: flex; align-items: center;
    justify-content: center; font-size: 18px; transition: background 0.2s; color: var(--white);
  }
  .social-btn:hover { background: var(--yellow); }
  .footer-col h4 { color: var(--white); font-size: 14px; font-weight: 700; margin-bottom: 16px; text-transform: uppercase; letter-spacing: 1px; }
  .footer-col ul { list-style: none; padding: 0; display: flex; flex-direction: column; gap: 10px; }
  .footer-col ul a { color: #777; font-size: 14px; transition: color 0.2s; }
  .footer-col ul a:hover { color: var(--yellow); }
  .footer-bottom { border-top: 1px solid #2a2a2a; padding-top: 24px; color: #555; font-size: 13px; }

  /* LIGHTBOX MODAL */
  #lightboxModal .modal-content { background: transparent; border: none; }
  #lightboxModal img { max-height: 85vh; width: 100%; object-fit: contain; border-radius: 8px; }
  #lightboxModal .btn-close { filter: invert(1); opacity: 1; background-color: rgba(0,0,0,0.4); border-radius: 50%; padding: 10px; }

  @media (max-width: 767.98px) {
    .hero { min-height: calc(100vh - 64px); padding: 60px 0 50px; }
    .hero h1 { font-size: 34px; }
    section { padding: 56px 0; }
    .step .arrow { display: none; }
  }