/* ========== NAV ========== */
    #heroWrapper {
      position: relative;
      padding: 0;
    }

    nav {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      width: 100%;
      max-width: 100%;
      margin: 0 auto;
      z-index: 1000;
      padding: 28px 5%;
      display: flex;
      justify-content: space-between;
      align-items: center;
      border-radius: 0;
      background: transparent;
      backdrop-filter: none;
      box-shadow: none;
      transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
      opacity: 0;
      transform: translateY(-40px);
    }

    nav.nav-entered {
      opacity: 1;
      transform: translateY(0);
      transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1),
                  opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
                  transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
    }

    nav.scrolled {
      pointer-events: none;
    }

    .nav-logo {
      display: flex;
      align-items: center;
      text-decoration: none;
    }

    .nav-logo-img {
      height: 45px;
      width: auto;
    }

    .nav-logo-blocks {
      display: grid;
      grid-template-columns: repeat(3, 8px);
      grid-template-rows: repeat(3, 8px);
      gap: 2px;
    }

    .nav-logo-blocks .b {
      width: 8px;
      height: 8px;
      background: var(--white);
    }

    .nav-logo-blocks .b.orange {
      background: var(--orange);
    }

    .nav-logo-blocks .b.empty {
      background: transparent;
    }

    .nav-logo-text {
      font-family: 'Sequel Sans Display', 'Aptos Display', Arial, sans-serif;
      font-size: 18px;
      font-weight: 700;
      color: var(--white);
      letter-spacing: 2px;
      text-transform: uppercase;
    }

    nav .nav-links {
      display: flex;
      gap: 36px;
      list-style: none;
      overflow: visible;
    }

    nav .nav-links a {
      color: var(--white);
      text-decoration: none;
      font-size: 13px;
      font-weight: 400;
      letter-spacing: 2px;
      text-transform: uppercase;
      position: relative;
      padding-bottom: 4px;
      background:
        linear-gradient(to right, var(--orange), var(--orange)) no-repeat left,
        linear-gradient(to right, var(--white), var(--white));
      background-size: 0% 100%, 100% 100%;
      -webkit-background-clip: text, text;
      background-clip: text, text;
      -webkit-text-fill-color: transparent;
      transition: background-size 0.3s linear;
    }

    nav .nav-links a.fill-active {
      background-size: 100% 100%, 100% 100%;
    }

    nav .nav-links a::after {
      content: '';
      position: absolute;
      right: -10px;
      top: 50%;
      transform: translateY(-50%) scale(0);
      width: 6px;
      height: 6px;
      background: var(--orange);
      transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
      transform-origin: center;
    }

    nav .nav-links a.underline-active::after {
      transform: translateY(-50%) scale(1);
    }

    .nav-contact-btn {
      font-family: 'Sequel Sans Display', Arial, sans-serif;
      font-size: 13px;
      font-weight: 400;
      letter-spacing: 2px;
      text-transform: uppercase;
      color: var(--white);
      text-decoration: none;
      padding: 10px 22px;
      border: 1px solid rgba(255, 255, 255, 0.5);
      border-radius: 0px;
      background: rgba(255, 255, 255, 0.1);
      backdrop-filter: blur(10px);
      -webkit-backdrop-filter: blur(10px);
      transition: background 0.3s ease, border-color 0.3s ease, color 0.3s ease;
    }

    .nav-contact-btn:hover {
      background: rgba(255, 255, 255, 0.2);
      border-color: rgba(255, 255, 255, 0.8);
    }

    .nav-right {
      display: flex;
      align-items: center;
      gap: 28px;
    }

    .lang-switcher {
      position: relative;
    }

    .lang-link {
      color: var(--white);
      text-decoration: none;
      font-family: 'Sequel Sans Display', Arial, sans-serif;
      font-size: 13px;
      font-weight: 400;
      letter-spacing: 2px;
      text-transform: uppercase;
      position: relative;
      padding-bottom: 4px;
      background:
        linear-gradient(to right, var(--orange), var(--orange)) no-repeat left,
        linear-gradient(to right, var(--white), var(--white));
      background-size: 0% 100%, 100% 100%;
      -webkit-background-clip: text, text;
      background-clip: text, text;
      -webkit-text-fill-color: transparent;
      transition: background-size 0.3s linear;
      cursor: pointer;
    }

    .lang-link::after {
      content: '';
      position: absolute;
      right: -10px;
      top: 50%;
      transform: translateY(-50%) scale(0);
      width: 6px;
      height: 6px;
      background: var(--orange);
      transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
      transform-origin: center;
    }

    .lang-link.underline-active::after {
      transform: translateY(-50%) scale(1);
    }

    .lang-dropdown {
      position: absolute;
      top: 100%;
      left: 50%;
      transform: translateX(-50%);
      padding-top: 8px;
      opacity: 0;
      pointer-events: none;
      transition: opacity 0.25s ease;
    }

    .lang-switcher:hover .lang-dropdown {
      opacity: 1;
      pointer-events: auto;
    }

    .lang-alt {
      background-size: 0% 100%, 100% 100% !important;
      opacity: 0.5;
      transition: opacity 0.2s ease, background-size 0.3s linear;
    }

    .lang-alt:hover {
      opacity: 1;
    }

    nav.nav-dark .lang-link {
      background:
        linear-gradient(to right, var(--orange), var(--orange)) no-repeat left,
        linear-gradient(to right, var(--black), var(--black));
      background-size: 0% 100%, 100% 100%;
      -webkit-background-clip: text, text;
      background-clip: text, text;
      -webkit-text-fill-color: transparent;
    }

    /* ========== NAV CONTRAST (dark over light bg) ========== */
    nav.nav-dark .nav-logo-blocks .b:not(.empty):not(.orange) {
      background: var(--black);
    }
    nav.nav-dark .nav-logo-text {
      color: var(--black);
    }
    nav.nav-dark .nav-links a {
      color: var(--black);
      background:
        linear-gradient(to right, var(--orange), var(--orange)) no-repeat left,
        linear-gradient(to right, var(--black), var(--black));
      background-size: 0% 100%, 100% 100%;
      -webkit-background-clip: text, text;
      background-clip: text, text;
      -webkit-text-fill-color: transparent;
    }
    nav.nav-dark .nav-links a.fill-active {
      background-size: 100% 100%, 100% 100%;
    }
    nav.nav-dark .nav-contact-btn {
      color: var(--black);
      border-color: rgba(0, 0, 0, 0.3);
      background: rgba(0, 0, 0, 0.05);
    }
    nav.nav-dark .nav-contact-btn:hover {
      background: rgba(0, 0, 0, 0.1);
      border-color: rgba(0, 0, 0, 0.5);
    }
    nav.nav-dark.scrolled {
      background: rgba(255, 255, 255, 0.75);
      border-color: rgba(0, 0, 0, 0.1);
    }
    /* transition for smooth color swap */
    nav .nav-logo-blocks .b:not(.empty):not(.orange) {
      transition: background 0.3s ease;
    }
    nav .nav-logo-text,
    nav .nav-contact-btn {
      transition: color 0.3s ease, background 0.3s ease, border-color 0.3s ease;
    }

    /* ========== HAMBURGER FIXO ========== */
    .hamburger-fixed {
      position: fixed;
      top: 35px;
      right: 40px;
      z-index: 100006; /* above the fixed cube canvas (100002) so it's never painted over */
      width: 36px;
      height: 28px;
      cursor: pointer;
      opacity: 0;
      pointer-events: none;
      transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      align-items: flex-end;
      padding: 0;
      background: none;
      border: none;
      outline: none;
    }

    .hamburger-fixed span {
      display: block;
      height: 2px;
      background: var(--white);
      border-radius: 0;
      transition: width 0.35s cubic-bezier(0.16, 1, 0.3, 1),
                  background 0.3s ease,
                  transform 0.35s cubic-bezier(0.16, 1, 0.3, 1),
                  opacity 0.25s ease;
      transform-origin: center;
    }

    .hamburger-fixed span:nth-child(1) { width: 100%; }
    .hamburger-fixed span:nth-child(2) { width: 65%; }
    .hamburger-fixed span:nth-child(3) { width: 80%; }

    .hamburger-fixed.visible {
      opacity: 1;
      pointer-events: all;
    }

    .hamburger-fixed:hover span { width: 100%; }

    /* X state */
    .hamburger-fixed.active span:nth-child(1) {
      width: 100%;
      transform: translateY(13px) rotate(45deg);
    }
    .hamburger-fixed.active span:nth-child(2) {
      width: 0%;
      opacity: 0;
    }
    .hamburger-fixed.active span:nth-child(3) {
      width: 100%;
      transform: translateY(-13px) rotate(-45deg);
    }

    /* ========== MENU OVERLAY ========== */
    .menu-overlay {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: rgba(0, 0, 0, 0.95);
      z-index: 99998;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      gap: 32px;
      opacity: 0;
      pointer-events: none;
      transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    }

    .menu-overlay.open {
      opacity: 1;
      pointer-events: all;
    }

    .menu-overlay a {
      font-family: 'Sequel Sans Display', Arial, sans-serif;
      font-size: 28px;
      font-weight: 300;
      letter-spacing: 6px;
      text-transform: uppercase;
      color: var(--white);
      text-decoration: none;
      position: relative;
      padding-bottom: 4px;
      transition: color 0.3s ease;
    }

    .menu-overlay a:hover {
      color: var(--orange);
    }

    .menu-overlay a::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0;
      height: 1px;
      background: var(--orange);
      transition: width 0.3s ease;
    }

    .menu-overlay a:hover::after {
      width: 100%;
    }

    .hero-letter {
      opacity: 0;
      transition: opacity 0.2s ease;
    }

    .hero-letter.visible {
      opacity: 1;
    }

    .hero-letter.bold {
      font-weight: 400;
    }