.glass-panel {
      background-color: rgba(255, 255, 255, 0.08);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border: 1px solid rgba(255, 255, 255, 0.16);
    }

    .glass-panel-glow {
      background-color: rgba(17, 24, 39, 0.66);
      backdrop-filter: blur(20px);
      -webkit-backdrop-filter: blur(20px);
      border: 1px solid rgba(110, 231, 255, 0.34);
      box-shadow: 0 0 26px rgba(102, 170, 255, 0.18);
    }

    .material-symbols-outlined {
      font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
    }

    /* Texturas Dinâmicas para Separação de Seções */
    .section-cursos-bg {
      background: linear-gradient(180deg, #081b30 0%, #0d121e 48%, #081b30 100%);
    }

    .tech-grid-bg {
      background-color: #081b30;
      /* Um azul mais calmo e "claro" iluminado */
      background-image:
        linear-gradient(rgba(110, 231, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(110, 231, 255, 0.05) 1px, transparent 1px);
      background-size: 60px 60px;
      background-position: center top;
      position: relative;
    }

    .nebula-glow {
      position: absolute;
      inset: 0;
      pointer-events: none;
      background: radial-gradient(ellipse at 50% 0%, rgba(110, 231, 255, 0.15) 0%, rgba(35, 116, 187, 0.1) 42%, transparent 72%);
    }

    .section-soft-top,
    .section-soft-bottom {
      position: relative;
    }

    .section-soft-top::before,
    .section-soft-bottom::after {
      content: "";
      position: absolute;
      left: 0;
      right: 0;
      height: clamp(92px, 12vw, 160px);
      pointer-events: none;
      z-index: 2;
    }

    .section-soft-top::before {
      top: 0;
      background:
        radial-gradient(ellipse at 50% 0%, rgba(110, 231, 255, 0.08), transparent 58%),
        linear-gradient(180deg, var(--fade-from, #081b30) 0%, rgba(8, 27, 48, 0.62) 42%, rgba(8, 27, 48, 0) 100%);
    }

    .section-soft-bottom::after {
      bottom: 0;
      background:
        radial-gradient(ellipse at 50% 100%, rgba(102, 170, 255, 0.08), transparent 60%),
        linear-gradient(0deg, var(--fade-to, #081b30) 0%, rgba(8, 27, 48, 0.58) 46%, rgba(8, 27, 48, 0) 100%);
    }

    .courses-section {
      position: relative;
      z-index: 10;
      overflow: hidden;
      padding: clamp(104px, 10vw, 156px) 24px clamp(104px, 12vw, 164px);
      background:
        radial-gradient(ellipse at 12% 20%, rgba(110, 231, 255, 0.07) 0%, rgba(110, 231, 255, 0.025) 28%, transparent 56%),
        radial-gradient(ellipse at 84% 76%, rgba(247, 148, 29, 0.04) 0%, transparent 50%),
        linear-gradient(180deg, #081b30 0%, #0d121e 52%, #081b30 100%);
      isolation: isolate;
      --active-track: var(--mc);
    }

    .courses-section::before {
      content: "";
      position: absolute;
      inset: 0;
      z-index: -2;
      opacity: 0.14;
      pointer-events: none;
      background:
        linear-gradient(120deg, rgba(255, 255, 255, 0.05), transparent 34%),
        linear-gradient(300deg, rgba(110, 231, 255, 0.05), transparent 38%);
    }

    .courses-section::after {
      content: "";
      position: absolute;
      inset: -18% -10%;
      z-index: -1;
      pointer-events: none;
      background:
        linear-gradient(115deg, transparent 8%, rgba(110, 231, 255, 0.08) 32%, transparent 52%),
        linear-gradient(245deg, transparent 18%, rgba(247, 148, 29, 0.08) 42%, transparent 62%);
      filter: blur(30px);
      opacity: 0.36;
      animation: coursesLightDrift 16s ease-in-out infinite alternate;
    }

    .section-horizon {
      position: absolute;
      top: -26px;
      left: 0;
      right: 0;
      z-index: 2;
      height: 68px;
      pointer-events: none;
      background: radial-gradient(ellipse at 50% 0%, rgba(102, 170, 255, 0.08), transparent 62%);
    }

    .section-horizon::before {
      content: none;
    }

    .section-horizon::after {
      content: "";
      position: absolute;
      top: 4px;
      left: 50%;
      width: 220px;
      height: 50px;
      border-radius: 999px;
      transform: translateX(-50%);
      background: radial-gradient(ellipse at center, rgba(110, 231, 255, 0.12), transparent 72%);
      filter: blur(18px);
      opacity: 0.38;
    }

    .course-starfield {
      position: absolute;
      inset: 0;
      z-index: 0;
      overflow: hidden;
      pointer-events: none;
    }

    .course-starfield {
      opacity: 0.76;
      background-repeat: no-repeat;
      background-size: 100% 100%;
      background-image:
        radial-gradient(circle at 2% 14%, rgba(255, 255, 255, 0.56) 0, rgba(255, 255, 255, 0.56) 0.7px, transparent 1.3px),
        radial-gradient(circle at 6% 42%, rgba(255, 255, 255, 0.4) 0, rgba(255, 255, 255, 0.4) 0.6px, transparent 1.2px),
        radial-gradient(circle at 9% 72%, rgba(255, 255, 255, 0.5) 0, rgba(255, 255, 255, 0.5) 0.7px, transparent 1.3px),
        radial-gradient(circle at 13% 31%, rgba(255, 255, 255, 0.7) 0, rgba(255, 255, 255, 0.7) 0.9px, transparent 1.7px),
        radial-gradient(circle at 16% 83%, rgba(255, 255, 255, 0.42) 0, rgba(255, 255, 255, 0.42) 0.6px, transparent 1.2px),
        radial-gradient(circle at 19% 18%, rgba(255, 255, 255, 0.48) 0, rgba(255, 255, 255, 0.48) 0.7px, transparent 1.3px),
        radial-gradient(circle at 22% 56%, rgba(255, 255, 255, 0.62) 0, rgba(255, 255, 255, 0.62) 0.8px, transparent 1.5px),
        radial-gradient(circle at 26% 9%, rgba(255, 255, 255, 0.38) 0, rgba(255, 255, 255, 0.38) 0.6px, transparent 1.2px),
        radial-gradient(circle at 29% 77%, rgba(255, 255, 255, 0.52) 0, rgba(255, 255, 255, 0.52) 0.7px, transparent 1.3px),
        radial-gradient(circle at 33% 36%, rgba(255, 255, 255, 0.5) 0, rgba(255, 255, 255, 0.5) 0.7px, transparent 1.3px),
        radial-gradient(circle at 37% 15%, rgba(255, 255, 255, 0.7) 0, rgba(255, 255, 255, 0.7) 0.9px, transparent 1.7px),
        radial-gradient(circle at 40% 68%, rgba(255, 255, 255, 0.44) 0, rgba(255, 255, 255, 0.44) 0.6px, transparent 1.2px),
        radial-gradient(circle at 44% 24%, rgba(255, 255, 255, 0.5) 0, rgba(255, 255, 255, 0.5) 0.7px, transparent 1.3px),
        radial-gradient(circle at 47% 90%, rgba(255, 255, 255, 0.38) 0, rgba(255, 255, 255, 0.38) 0.6px, transparent 1.2px),
        radial-gradient(circle at 51% 49%, rgba(255, 255, 255, 0.6) 0, rgba(255, 255, 255, 0.6) 0.8px, transparent 1.5px),
        radial-gradient(circle at 55% 12%, rgba(255, 255, 255, 0.44) 0, rgba(255, 255, 255, 0.44) 0.6px, transparent 1.2px),
        radial-gradient(circle at 58% 81%, rgba(255, 255, 255, 0.54) 0, rgba(255, 255, 255, 0.54) 0.7px, transparent 1.3px),
        radial-gradient(circle at 62% 34%, rgba(255, 255, 255, 0.46) 0, rgba(255, 255, 255, 0.46) 0.7px, transparent 1.3px),
        radial-gradient(circle at 66% 63%, rgba(255, 255, 255, 0.64) 0, rgba(255, 255, 255, 0.64) 0.8px, transparent 1.5px),
        radial-gradient(circle at 70% 19%, rgba(255, 255, 255, 0.42) 0, rgba(255, 255, 255, 0.42) 0.6px, transparent 1.2px),
        radial-gradient(circle at 74% 86%, rgba(255, 255, 255, 0.5) 0, rgba(255, 255, 255, 0.5) 0.7px, transparent 1.3px),
        radial-gradient(circle at 78% 45%, rgba(255, 255, 255, 0.68) 0, rgba(255, 255, 255, 0.68) 0.9px, transparent 1.7px),
        radial-gradient(circle at 82% 11%, rgba(255, 255, 255, 0.48) 0, rgba(255, 255, 255, 0.48) 0.7px, transparent 1.3px),
        radial-gradient(circle at 85% 70%, rgba(255, 255, 255, 0.42) 0, rgba(255, 255, 255, 0.42) 0.6px, transparent 1.2px),
        radial-gradient(circle at 90% 29%, rgba(255, 255, 255, 0.58) 0, rgba(255, 255, 255, 0.58) 0.8px, transparent 1.5px),
        radial-gradient(circle at 95% 58%, rgba(255, 255, 255, 0.46) 0, rgba(255, 255, 255, 0.46) 0.7px, transparent 1.3px),
        radial-gradient(circle at 98% 82%, rgba(255, 255, 255, 0.62) 0, rgba(255, 255, 255, 0.62) 0.8px, transparent 1.5px),
        radial-gradient(circle at 5% 57%, rgba(255, 255, 255, 0.38) 0, rgba(255, 255, 255, 0.38) 0.6px, transparent 1.2px),
        radial-gradient(circle at 14% 92%, rgba(255, 255, 255, 0.56) 0, rgba(255, 255, 255, 0.56) 0.8px, transparent 1.5px),
        radial-gradient(circle at 24% 43%, rgba(255, 255, 255, 0.42) 0, rgba(255, 255, 255, 0.42) 0.6px, transparent 1.2px),
        radial-gradient(circle at 35% 80%, rgba(255, 255, 255, 0.52) 0, rgba(255, 255, 255, 0.52) 0.7px, transparent 1.3px),
        radial-gradient(circle at 46% 6%, rgba(255, 255, 255, 0.46) 0, rgba(255, 255, 255, 0.46) 0.7px, transparent 1.3px),
        radial-gradient(circle at 60% 56%, rgba(255, 255, 255, 0.4) 0, rgba(255, 255, 255, 0.4) 0.6px, transparent 1.2px),
        radial-gradient(circle at 73% 33%, rgba(255, 255, 255, 0.48) 0, rgba(255, 255, 255, 0.48) 0.7px, transparent 1.3px),
        radial-gradient(circle at 89% 88%, rgba(255, 255, 255, 0.54) 0, rgba(255, 255, 255, 0.54) 0.8px, transparent 1.5px);
      animation: courseStarsDrift 52s linear infinite alternate;
    }

    .course-starfield::before,
    .course-starfield::after {
      content: "";
      position: absolute;
      inset: 0;
      background-repeat: no-repeat;
      background-size: 100% 100%;
      pointer-events: none;
    }

    .course-starfield::before {
      opacity: 0.8;
      background-image:
        radial-gradient(circle at 4% 88%, rgba(255, 255, 255, 0.44) 0, rgba(255, 255, 255, 0.44) 0.6px, transparent 1.2px),
        radial-gradient(circle at 11% 8%, rgba(255, 255, 255, 0.76) 0, rgba(255, 255, 255, 0.76) 1px, transparent 2px),
        radial-gradient(circle at 18% 48%, rgba(255, 255, 255, 0.4) 0, rgba(255, 255, 255, 0.4) 0.6px, transparent 1.2px),
        radial-gradient(circle at 24% 64%, rgba(255, 255, 255, 0.5) 0, rgba(255, 255, 255, 0.5) 0.7px, transparent 1.3px),
        radial-gradient(circle at 31% 93%, rgba(255, 255, 255, 0.46) 0, rgba(255, 255, 255, 0.46) 0.7px, transparent 1.3px),
        radial-gradient(circle at 36% 4%, rgba(255, 255, 255, 0.42) 0, rgba(255, 255, 255, 0.42) 0.6px, transparent 1.2px),
        radial-gradient(circle at 43% 58%, rgba(255, 255, 255, 0.72) 0, rgba(255, 255, 255, 0.72) 1px, transparent 2px),
        radial-gradient(circle at 49% 20%, rgba(255, 255, 255, 0.42) 0, rgba(255, 255, 255, 0.42) 0.6px, transparent 1.2px),
        radial-gradient(circle at 57% 94%, rgba(255, 255, 255, 0.48) 0, rgba(255, 255, 255, 0.48) 0.7px, transparent 1.3px),
        radial-gradient(circle at 64% 7%, rgba(255, 255, 255, 0.54) 0, rgba(255, 255, 255, 0.54) 0.8px, transparent 1.5px),
        radial-gradient(circle at 72% 53%, rgba(255, 255, 255, 0.44) 0, rgba(255, 255, 255, 0.44) 0.6px, transparent 1.2px),
        radial-gradient(circle at 81% 91%, rgba(255, 255, 255, 0.5) 0, rgba(255, 255, 255, 0.5) 0.7px, transparent 1.3px),
        radial-gradient(circle at 88% 5%, rgba(255, 255, 255, 0.4) 0, rgba(255, 255, 255, 0.4) 0.6px, transparent 1.2px),
        radial-gradient(circle at 93% 74%, rgba(255, 255, 255, 0.68) 0, rgba(255, 255, 255, 0.68) 0.9px, transparent 1.7px),
        radial-gradient(circle at 9% 38%, rgba(255, 255, 255, 0.4) 0, rgba(255, 255, 255, 0.4) 0.6px, transparent 1.2px),
        radial-gradient(circle at 21% 79%, rgba(255, 255, 255, 0.46) 0, rgba(255, 255, 255, 0.46) 0.7px, transparent 1.3px),
        radial-gradient(circle at 34% 27%, rgba(255, 255, 255, 0.72) 0, rgba(255, 255, 255, 0.72) 1px, transparent 2px),
        radial-gradient(circle at 47% 84%, rgba(255, 255, 255, 0.42) 0, rgba(255, 255, 255, 0.42) 0.6px, transparent 1.2px),
        radial-gradient(circle at 59% 39%, rgba(255, 255, 255, 0.5) 0, rgba(255, 255, 255, 0.5) 0.7px, transparent 1.3px),
        radial-gradient(circle at 69% 16%, rgba(255, 255, 255, 0.38) 0, rgba(255, 255, 255, 0.38) 0.6px, transparent 1.2px),
        radial-gradient(circle at 84% 58%, rgba(255, 255, 255, 0.44) 0, rgba(255, 255, 255, 0.44) 0.6px, transparent 1.2px),
        radial-gradient(circle at 96% 28%, rgba(255, 255, 255, 0.58) 0, rgba(255, 255, 255, 0.58) 0.8px, transparent 1.5px);
    }

    .course-starfield::after {
      opacity: 0.44;
      background-image:
        radial-gradient(circle at 7% 24%, rgba(255, 255, 255, 0.42) 0, rgba(255, 255, 255, 0.42) 0.55px, transparent 1px),
        radial-gradient(circle at 15% 67%, rgba(255, 255, 255, 0.36) 0, rgba(255, 255, 255, 0.36) 0.5px, transparent 1px),
        radial-gradient(circle at 28% 29%, rgba(255, 255, 255, 0.4) 0, rgba(255, 255, 255, 0.4) 0.55px, transparent 1px),
        radial-gradient(circle at 39% 82%, rgba(255, 255, 255, 0.34) 0, rgba(255, 255, 255, 0.34) 0.5px, transparent 1px),
        radial-gradient(circle at 52% 7%, rgba(255, 255, 255, 0.38) 0, rgba(255, 255, 255, 0.38) 0.55px, transparent 1px),
        radial-gradient(circle at 61% 73%, rgba(255, 255, 255, 0.42) 0, rgba(255, 255, 255, 0.42) 0.55px, transparent 1px),
        radial-gradient(circle at 76% 25%, rgba(255, 255, 255, 0.36) 0, rgba(255, 255, 255, 0.36) 0.5px, transparent 1px),
        radial-gradient(circle at 87% 39%, rgba(255, 255, 255, 0.38) 0, rgba(255, 255, 255, 0.38) 0.55px, transparent 1px),
        radial-gradient(circle at 97% 15%, rgba(255, 255, 255, 0.36) 0, rgba(255, 255, 255, 0.36) 0.5px, transparent 1px),
        radial-gradient(circle at 4% 49%, rgba(255, 255, 255, 0.34) 0, rgba(255, 255, 255, 0.34) 0.5px, transparent 1px),
        radial-gradient(circle at 13% 89%, rgba(255, 255, 255, 0.3) 0, rgba(255, 255, 255, 0.3) 0.45px, transparent 1px),
        radial-gradient(circle at 22% 14%, rgba(255, 255, 255, 0.36) 0, rgba(255, 255, 255, 0.36) 0.5px, transparent 1px),
        radial-gradient(circle at 32% 58%, rgba(255, 255, 255, 0.32) 0, rgba(255, 255, 255, 0.32) 0.45px, transparent 1px),
        radial-gradient(circle at 45% 35%, rgba(255, 255, 255, 0.38) 0, rgba(255, 255, 255, 0.38) 0.5px, transparent 1px),
        radial-gradient(circle at 58% 92%, rgba(255, 255, 255, 0.34) 0, rgba(255, 255, 255, 0.34) 0.5px, transparent 1px),
        radial-gradient(circle at 69% 44%, rgba(255, 255, 255, 0.3) 0, rgba(255, 255, 255, 0.3) 0.45px, transparent 1px),
        radial-gradient(circle at 79% 63%, rgba(255, 255, 255, 0.36) 0, rgba(255, 255, 255, 0.36) 0.5px, transparent 1px),
        radial-gradient(circle at 92% 83%, rgba(255, 255, 255, 0.32) 0, rgba(255, 255, 255, 0.32) 0.45px, transparent 1px);
    }

    .section-icon-field {
      position: absolute;
      inset: 0;
      z-index: 1;
      overflow: hidden;
      pointer-events: none;
    }

    .section-bg-icon {
      position: absolute;
      color: rgba(255, 255, 255, 0.5);
      font-size: clamp(72px, 8vw, 132px);
      line-height: 1;
      text-shadow: 0 0 38px rgba(255, 255, 255, 0.1);
      transform-origin: center;
      user-select: none;
      font-variation-settings: 'FILL' 0, 'wght' 300, 'GRAD' 0, 'opsz' 48;
    }

    .section-bg-icon--small {
      color: rgba(255, 255, 255, 0.5);
      font-size: clamp(52px, 5.5vw, 96px);
      text-shadow: 0 0 28px rgba(255, 255, 255, 0.08);
    }

    .section-bg-icon--medium {
      color: rgba(255, 255, 255, 0.5);
      font-size: clamp(60px, 6.4vw, 112px);
      text-shadow: 0 0 30px rgba(255, 255, 255, 0.08);
    }

    .section-icon-field--courses .section-bg-icon:nth-child(1) {
      top: 8%;
      right: 4%;
      transform: rotate(14deg);
    }

    .section-icon-field--courses .section-bg-icon:nth-child(2) {
      bottom: 6%;
      left: 2%;
      transform: rotate(-12deg);
    }

    .section-icon-field--courses .section-bg-icon:nth-child(3) {
      top: 32%;
      right: 88%;
      transform: rotate(10deg);
    }

    .section-icon-field--courses {
      mask-image: linear-gradient(180deg, black 0%, black 26%, rgba(0, 0, 0, 0.32) 42%, transparent 58%);
    }

    .section-icon-field--about .section-bg-icon:nth-child(1) {
      top: 14%;
      left: 8%;
      transform: rotate(-10deg);
    }

    .section-icon-field--about .section-bg-icon:nth-child(2) {
      right: 7%;
      bottom: 18%;
      transform: rotate(12deg);
    }

    .section-icon-field--about .section-bg-icon:nth-child(3) {
      top: 12%;
      right: 13%;
      transform: rotate(8deg);
    }

    .section-icon-field--cta .section-bg-icon:nth-child(1) {
      top: 18%;
      left: 10%;
      transform: rotate(-14deg);
    }

    .section-icon-field--cta .section-bg-icon:nth-child(2) {
      right: 10%;
      bottom: 20%;
      transform: rotate(10deg);
    }

    .section-icon-field--cta .section-bg-icon:nth-child(3) {
      top: 16%;
      right: 12%;
      transform: rotate(-8deg);
    }

    .courses-wrap {
      position: relative;
      z-index: 3;
      width: min(100%, 1280px);
      margin: 0 auto;
      scroll-margin-top: 92px;
    }

    .courses-kicker {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      color: var(--cyan);
      font-family: 'Poppins', sans-serif;
      font-size: 13px;
      font-weight: 700;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      margin-bottom: 16px;
    }

    .courses-kicker::before {
      content: "";
      width: 34px;
      height: 1px;
      background: linear-gradient(90deg, var(--active-track), var(--cyan));
      box-shadow: 0 0 14px color-mix(in srgb, var(--active-track) 42%, transparent);
    }

    .courses-heading {
      position: relative;
      display: grid;
      grid-template-columns: minmax(0, 1fr) minmax(260px, 420px);
      align-items: end;
      gap: 32px;
      margin-bottom: clamp(42px, 6vw, 76px);
    }

    .courses-heading::after {
      content: "";
      position: absolute;
      left: 0;
      right: 0;
      bottom: clamp(-34px, -3vw, -24px);
      height: 1px;
      background: linear-gradient(90deg, rgba(110, 231, 255, 0.34), rgba(255, 255, 255, 0.08), transparent 78%);
      opacity: 0.62;
    }

    .courses-title {
      max-width: 780px;
      color: #ffffff;
      font-family: 'Montserrat', sans-serif;
      font-size: clamp(42px, 6vw, 76px);
      font-weight: 900;
      line-height: 0.98;
    }

    .courses-title span {
      color: var(--active-track);
      text-shadow: 0 0 26px color-mix(in srgb, var(--active-track) 42%, transparent);
      transition: color 0.3s ease, text-shadow 0.3s ease;
    }

    .courses-lede {
      color: rgba(255, 255, 255, 0.72);
      font-size: 17px;
      line-height: 1.65;
    }

    .courses-grid {
      display: grid;
      grid-template-columns: minmax(580px, 620px) minmax(0, 1fr);
      gap: clamp(30px, 4vw, 56px);
      align-items: start;
    }

    .track-nav-panel,
    .courses-carousel-panel {
      min-width: 0;
    }

    .track-nav-panel {
      position: sticky;
      top: 92px;
      padding: 6px 0;
      isolation: isolate;
    }

    .track-nav-panel::before {
      content: "";
      position: absolute;
      top: calc(50% + 20px);
      left: 50%;
      z-index: -1;
      width: min(78%, 420px);
      height: min(78%, 420px);
      border: 1px solid rgba(110, 231, 255, 0.18);
      border-radius: 50%;
      background: transparent;
      box-shadow: 0 0 18px rgba(110, 231, 255, 0.16);
      transform: translate(-50%, -50%);
    }

    .track-nav-title {
      max-width: 220px;
      margin: 0 auto 28px;
      color: var(--cyan);
      font-family: 'Poppins', sans-serif;
      font-size: 12px;
      font-weight: 800;
      line-height: 1.35;
      letter-spacing: 0.14em;
      text-align: center;
      text-transform: uppercase;
    }

    .track-nav-callout {
      display: flex;
      align-items: flex-start;
      gap: 14px;
      max-width: 430px;
      margin: 0 auto 28px;
      padding: 16px 18px;
      border: 1px solid rgba(110, 231, 255, 0.2);
      border-radius: 18px;
      background:
        linear-gradient(135deg, rgba(110, 231, 255, 0.12), rgba(13, 18, 30, 0.3)),
        rgba(13, 18, 30, 0.56);
      box-shadow: 0 18px 36px rgba(0, 0, 0, 0.16), 0 0 22px rgba(102, 170, 255, 0.08);
    }

    .track-nav-callout .material-symbols-outlined {
      flex: 0 0 auto;
      font-size: 24px;
      color: var(--cyan);
      text-shadow: 0 0 18px rgba(110, 231, 255, 0.26);
    }

    .track-nav-callout p {
      margin: 0;
      color: rgba(255, 255, 255, 0.72);
      font-size: 14px;
      line-height: 1.55;
    }

    .track-nav-callout strong {
      color: #ffffff;
    }

    .track-orbits {
      display: grid;
      grid-template-columns: repeat(2, minmax(270px, 1fr));
      gap: 24px;
      justify-items: center;
    }

    .track-orbit {
      position: relative;
      display: grid;
      place-items: center;
      width: 280px;
      height: 280px;
      color: #ffffff;
      cursor: pointer;
      border-radius: 50%;
      transition: transform 0.25s ease;
    }

    .track-orbit::after {
      content: "Clique para ver";
      position: absolute;
      left: 50%;
      bottom: 18px;
      min-width: 136px;
      padding: 9px 14px;
      border: 1px solid rgba(255, 255, 255, 0.14);
      border-radius: 999px;
      background: rgba(13, 18, 30, 0.74);
      box-shadow: 0 14px 26px rgba(0, 0, 0, 0.18);
      color: rgba(255, 255, 255, 0.7);
      font-family: 'Poppins', sans-serif;
      font-size: 11px;
      font-weight: 700;
      letter-spacing: 0.08em;
      text-align: center;
      text-transform: uppercase;
      transform: translateX(-50%);
      transition: color 0.25s ease, border-color 0.25s ease, background 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
    }

    .track-orbit:focus-visible {
      outline: none;
    }

    .track-orbit-ring {
      position: absolute;
      inset: 0;
      color: var(--track-color);
      opacity: 0.5;
      animation: trackOrbitSpin 26s linear infinite;
      transition: opacity 0.25s ease;
    }

    .track-orbit-ring text {
      fill: currentColor;
      font-family: 'Poppins', sans-serif;
      font-size: var(--ring-font, 6.4px);
      font-weight: 700;
      letter-spacing: var(--ring-spacing, 0.38px);
      text-transform: uppercase;
    }

    .track-orbit-core {
      position: relative;
      display: grid;
      place-items: center;
      width: 146px;
      height: 146px;
      border: 2px solid rgba(255, 255, 255, 0.18);
      border-radius: 50%;
      background:
        radial-gradient(circle at 50% 34%, rgba(255, 255, 255, 0.18), transparent 34%),
        radial-gradient(circle at 50% 70%, color-mix(in srgb, var(--track-color) 18%, transparent), transparent 52%),
        rgba(13, 18, 30, 0.78);
      color: rgba(255, 255, 255, 0.7);
      font-family: 'Montserrat', sans-serif;
      font-size: 46px;
      font-weight: 900;
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      transition: color 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
    }

    .track-orbit:hover,
    .track-orbit:focus-visible {
      transform: translateY(-4px);
    }

    .track-orbit:hover .track-orbit-ring,
    .track-orbit.is-active .track-orbit-ring,
    .track-orbit:focus-visible .track-orbit-ring {
      opacity: 1;
    }

    .track-orbit:hover .track-orbit-core,
    .track-orbit.is-active .track-orbit-core,
    .track-orbit:focus-visible .track-orbit-core {
      color: #ffffff;
      border-color: var(--track-color);
      box-shadow: 0 0 24px color-mix(in srgb, var(--track-color) 55%, transparent);
      transform: scale(1.04);
    }

    .track-orbit:hover::after,
    .track-orbit:focus-visible::after {
      border-color: color-mix(in srgb, var(--track-color) 56%, rgba(255, 255, 255, 0.2));
      background: rgba(13, 18, 30, 0.9);
      color: #ffffff;
      box-shadow: 0 16px 34px color-mix(in srgb, var(--track-color) 18%, transparent);
      transform: translateX(-50%) translateY(-2px);
    }

    .track-orbit.is-active::after {
      content: "Cursos exibidos";
      border-color: color-mix(in srgb, var(--track-color) 72%, rgba(255, 255, 255, 0.24));
      background: linear-gradient(135deg, color-mix(in srgb, var(--track-color) 26%, rgba(13, 18, 30, 0.92)), rgba(13, 18, 30, 0.92));
      color: #ffffff;
      box-shadow: 0 16px 34px color-mix(in srgb, var(--track-color) 22%, transparent);
    }

    .courses-carousel-panel {
      position: relative;
      padding: 0;
      overflow: hidden;
    }

    .courses-carousel-panel::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      width: min(420px, 52%);
      height: 2px;
      background: linear-gradient(90deg, var(--active-track), rgba(110, 231, 255, 0.34), transparent);
      box-shadow: 0 0 22px color-mix(in srgb, var(--active-track) 42%, transparent);
      transition: background 0.25s ease, box-shadow 0.25s ease;
    }

    .active-track-meta {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 12px;
      padding-top: 28px;
      margin-bottom: 16px;
    }

    .active-track-badge,
    .active-track-count {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-height: 38px;
      padding: 8px 14px;
      border-radius: 999px;
      font-family: 'Poppins', sans-serif;
      font-size: 12px;
      font-weight: 700;
      letter-spacing: 0.08em;
      text-transform: uppercase;
    }

    .active-track-badge {
      border: 1px solid color-mix(in srgb, var(--active-track) 62%, rgba(255, 255, 255, 0.16));
      background: color-mix(in srgb, var(--active-track) 18%, rgba(13, 18, 30, 0.88));
      color: #ffffff;
      box-shadow: 0 0 26px color-mix(in srgb, var(--active-track) 14%, transparent);
      transition: border-color 0.25s ease, background 0.25s ease, box-shadow 0.25s ease;
    }

    .active-track-badge .material-symbols-outlined {
      font-size: 17px;
    }

    .active-track-count {
      border: 1px solid rgba(255, 255, 255, 0.12);
      background: rgba(255, 255, 255, 0.05);
      color: rgba(255, 255, 255, 0.72);
    }

    .active-track-name {
      color: #ffffff;
      font-family: 'Montserrat', sans-serif;
      font-size: clamp(28px, 4vw, 48px);
      font-weight: 900;
      line-height: 1.05;
      max-width: calc(100% - 132px);
      margin-bottom: 16px;
      padding-top: 0;
      text-shadow: 0 0 28px rgba(110, 231, 255, 0.08);
      text-wrap: balance;
      transition: text-shadow 0.25s ease;
    }

    .active-track-name::after {
      content: "";
      display: block;
      width: min(320px, 46vw);
      height: 1px;
      margin-top: 16px;
      background: linear-gradient(90deg, var(--active-track), rgba(255, 255, 255, 0.26), transparent);
      box-shadow: 0 0 18px color-mix(in srgb, var(--active-track) 48%, transparent);
    }

    .active-track-text {
      max-width: 760px;
      color: rgba(255, 255, 255, 0.72);
      font-size: 16px;
      line-height: 1.65;
      margin-bottom: 26px;
      padding-right: 124px;
    }

    .course-carousel-controls {
      position: absolute;
      top: 28px;
      right: 4px;
      z-index: 4;
      display: flex;
      gap: 12px;
    }

    .course-carousel-btn {
      display: grid;
      place-items: center;
      width: 50px;
      height: 50px;
      border: 1px solid color-mix(in srgb, var(--active-track) 72%, rgba(255, 255, 255, 0.22));
      border-radius: 50%;
      background:
        radial-gradient(circle at 50% 34%, rgba(255, 255, 255, 0.28), transparent 34%),
        linear-gradient(135deg, color-mix(in srgb, var(--active-track) 84%, white 10%), var(--active-track));
      color: #ffffff;
      box-shadow: 0 0 24px color-mix(in srgb, var(--active-track) 34%, transparent), 0 12px 28px rgba(0, 0, 0, 0.28);
      transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
    }

    .course-carousel-btn:hover,
    .course-carousel-btn:focus-visible {
      border-color: rgba(255, 255, 255, 0.72);
      box-shadow: 0 0 34px color-mix(in srgb, var(--active-track) 52%, transparent), 0 16px 34px rgba(0, 0, 0, 0.34);
      transform: translateY(-2px) scale(1.04);
      outline: none;
    }

    .course-carousel-btn svg {
      width: 22px;
      height: 22px;
    }

    .course-marquee {
      display: none;
      overflow: hidden;
      margin: 0 -24px 0 -8px;
      padding: 20px 24px 32px 8px;
      mask-image: linear-gradient(90deg, transparent 0%, black 8%, black 88%, transparent 100%);
      cursor: grab;
      touch-action: pan-y;
      user-select: none;
    }

    .course-marquee.is-active {
      display: block;
    }

    .courses-section.has-single-active-track .course-carousel-controls {
      display: none;
    }

    .course-marquee.is-dragging {
      cursor: grabbing;
    }

    .course-marquee.is-single {
      width: 100%;
      cursor: default;
      mask-image: none;
      touch-action: auto;
    }

    .course-track-inner {
      display: flex;
      align-items: stretch;
      gap: 24px;
      width: max-content;
      will-change: transform;
    }

    .course-marquee.is-single .course-track-inner {
      width: min(100%, 320px);
      transform: none !important;
    }

    .course-card {
      position: relative;
      flex: 0 0 clamp(210px, 24vw, 292px);
      cursor: pointer;
      border-radius: 8px;
      overflow: hidden;
      background: rgba(13, 18, 30, 0.7);
      outline: 1px solid rgba(255, 255, 255, 0.12);
      box-shadow: 0 18px 42px rgba(0, 0, 0, 0.34), 0 0 0 1px rgba(110, 231, 255, 0.03);
      transition: transform 0.24s ease, box-shadow 0.24s ease, outline-color 0.24s ease;
    }

    .course-marquee.is-single .course-card {
      flex-basis: min(100%, 320px);
    }

    .course-card::after {
      content: "";
      position: absolute;
      inset: 0;
      z-index: 1;
      background:
        linear-gradient(180deg, transparent 34%, rgba(0, 0, 0, 0.64) 100%),
        radial-gradient(ellipse at 50% 18%, color-mix(in srgb, var(--active-track) 20%, transparent), transparent 58%);
      opacity: 0;
      transition: opacity 0.24s ease;
    }

    .course-card img {
      display: block;
      width: 100%;
      aspect-ratio: 280 / 390;
      object-fit: cover;
      object-position: center bottom;
      pointer-events: none;
      user-select: none;
      -webkit-user-drag: none;
    }

    .course-card-link {
      position: absolute;
      left: 50%;
      top: 50%;
      z-index: 2;
      min-height: 42px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 0 20px;
      border-radius: 8px;
      border: 1px solid rgba(255, 255, 255, 0.26);
      background:
        linear-gradient(135deg, color-mix(in srgb, var(--active-track) 88%, white 12%), var(--active-track));
      color: #ffffff;
      font-family: 'Poppins', sans-serif;
      font-size: 14px;
      font-weight: 700;
      white-space: nowrap;
      overflow: hidden;
      isolation: isolate;
      opacity: 0;
      transform: translate(-50%, -42%);
      transition: opacity 0.24s ease, transform 0.24s ease, background 0.24s ease, box-shadow 0.24s ease, border-color 0.24s ease;
      box-shadow: 0 14px 30px rgba(0, 0, 0, 0.36), 0 0 0 1px color-mix(in srgb, var(--active-track) 14%, transparent);
    }

    .course-card-link::before {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(120deg, transparent 0%, rgba(255, 255, 255, 0.28) 26%, transparent 52%);
      opacity: 0;
      transform: translateX(-140%);
      transition: transform 0.36s ease, opacity 0.24s ease;
      pointer-events: none;
    }

    .course-card:hover {
      transform: translateY(-10px) scale(1.012);
      outline-color: color-mix(in srgb, var(--active-track) 44%, rgba(255, 255, 255, 0.16));
      box-shadow: 0 30px 64px rgba(0, 0, 0, 0.48), 0 0 34px color-mix(in srgb, var(--active-track) 18%, transparent);
    }

    .course-card:hover::after,
    .course-card:hover .course-card-link {
      opacity: 1;
    }

    .course-card:hover .course-card-link {
      transform: translate(-50%, -50%);
    }

    .course-card:hover .course-card-link,
    .course-card-link:hover,
    .course-card-link:focus-visible {
      border-color: rgba(255, 255, 255, 0.56);
      background: linear-gradient(135deg,
          color-mix(in srgb, var(--active-track) 72%, white 28%),
          color-mix(in srgb, var(--active-track) 92%, black 2%));
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.42), 0 0 30px color-mix(in srgb, var(--active-track) 26%, transparent);
    }

    .course-card:hover .course-card-link::before,
    .course-card-link:hover::before,
    .course-card-link:focus-visible::before {
      opacity: 1;
      transform: translateX(135%);
    }

    .course-card-link:hover,
    .course-card-link:focus-visible {
      transform: translate(-50%, -50%) scale(1.04);
      outline: none;
    }

    @keyframes coursesLightDrift {
      from {
        transform: translate3d(-18px, -8px, 0) scale(1);
      }

      to {
        transform: translate3d(18px, 14px, 0) scale(1.04);
      }
    }

    @keyframes horizonSweep {
      0% {
        transform: translateX(0);
        opacity: 0;
      }

      18% {
        opacity: 0.72;
      }

      48% {
        opacity: 0.38;
      }

      100% {
        transform: translateX(680%);
        opacity: 0;
      }
    }

    @keyframes courseStarsDrift {
      from {
        transform: translate3d(-6px, 0, 0);
      }

      to {
        transform: translate3d(10px, -12px, 0);
      }
    }

    @keyframes trackOrbitSpin {
      to {
        transform: rotate(1turn);
      }
    }

    @keyframes carouselPulse {

      0%,
      100% {
        transform: translateX(-20%);
        opacity: 0.48;
      }

      50% {
        transform: translateX(154%);
        opacity: 1;
      }
    }

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

    a {
      color: inherit;
      text-decoration: none;
    }

    button {
      font: inherit;
      cursor: pointer;
      border: none;
      background: none;
    }

    /* ── TOKENS GALILEO ── */
    :root {
      --bg: #081b30;
      --night: #0d121e;
      --surface-low: #0d121e;
      --surface: #111827;
      --surface-high: #172338;
      --surface-top: rgba(255, 255, 255, 0.08);
      --white: #ffffff;
      --on-surface: #ffffff;
      --on-muted: rgba(255, 255, 255, 0.72);
      --outline: rgba(255, 255, 255, 0.16);
      --outline-var: rgba(255, 255, 255, 0.09);
      --primary: #ffffff;
      --primary-cont: #254c89;
      --on-primary: #254c89;
      --access: #254c89;
      --access-hover: #2374bb;
      --secondary: #2374bb;
      --star: #66aaff;
      --cyan: #6ee7ff;
      --mc: #f7941d;
      --om: #f15a29;
      --te: #ed1e79;
      --dh: #662d91;
    }

    /* ── BASE ── */
    html {
      scroll-behavior: smooth;
    }

    html,
    body {
      min-height: 100%;
      background: var(--bg);
      color: var(--on-surface);
      font-family: 'Inter', system-ui, sans-serif;
      overflow-x: hidden;
    }

    .courses-section,
    #sobre-nos {
      scroll-margin-top: 92px;
    }

    /* ── PRELOADER ── */
    #preloader {
      position: fixed;
      inset: 0;
      z-index: 999;
      display: grid;
      justify-items: center;
      align-content: center;
      gap: 18px;
      overflow: hidden;
      background:
        radial-gradient(circle at 50% 32%, rgba(110, 231, 255, 0.12), transparent 18%),
        radial-gradient(circle at 50% 52%, rgba(37, 76, 137, 0.26), transparent 38%),
        linear-gradient(180deg, #0d121e 0%, #081b30 56%, #06111d 100%);
      transition: opacity 0.5s ease;
    }

    #preloader::before {
      content: "";
      position: absolute;
      inset: 0;
      pointer-events: none;
      opacity: 0.38;
      background-image:
        radial-gradient(circle at 16% 24%, rgba(255, 255, 255, 0.72) 0, rgba(255, 255, 255, 0.72) 1px, transparent 2px),
        radial-gradient(circle at 78% 18%, rgba(255, 255, 255, 0.46) 0, rgba(255, 255, 255, 0.46) 1px, transparent 2px),
        radial-gradient(circle at 24% 82%, rgba(255, 255, 255, 0.5) 0, rgba(255, 255, 255, 0.5) 1px, transparent 2px),
        radial-gradient(circle at 84% 74%, rgba(255, 255, 255, 0.68) 0, rgba(255, 255, 255, 0.68) 1.2px, transparent 2.2px),
        radial-gradient(circle at 54% 10%, rgba(110, 231, 255, 0.5) 0, rgba(110, 231, 255, 0.5) 1px, transparent 2px),
        radial-gradient(circle at 48% 88%, rgba(102, 170, 255, 0.54) 0, rgba(102, 170, 255, 0.54) 1px, transparent 2px);
      animation: preloaderDrift 18s linear infinite;
    }

    #preloader::after {
      content: "";
      position: absolute;
      top: 50%;
      left: 50%;
      width: clamp(240px, 34vw, 420px);
      height: clamp(240px, 34vw, 420px);
      border-radius: 50%;
      transform: translate(-50%, -50%);
      pointer-events: none;
      background: radial-gradient(circle, rgba(102, 170, 255, 0.18), transparent 68%);
      filter: blur(26px);
      opacity: 0.72;
    }

    .loader {
      position: relative;
      width: clamp(220px, 28vw, 320px);
      aspect-ratio: 1;
      display: grid;
      place-items: center;
    }

    .loader::before {
      content: "";
      position: absolute;
      inset: 14%;
      border-radius: 50%;
      border: 1px solid rgba(255, 255, 255, 0.06);
      box-shadow: inset 0 0 26px rgba(110, 231, 255, 0.05);
    }

    .preloader-orbit {
      position: absolute;
      border-radius: 50%;
    }

    .preloader-orbit--outer {
      inset: 0;
      border: 1px dashed rgba(110, 231, 255, 0.3);
      box-shadow: 0 0 34px rgba(102, 170, 255, 0.14);
      animation: spin 18s linear infinite;
    }

    .preloader-orbit--middle {
      inset: 12%;
      border: 1px solid rgba(255, 255, 255, 0.1);
      animation: spin-reverse 12s linear infinite;
    }

    .preloader-orbit--inner {
      inset: 24%;
      border: 1px dashed rgba(102, 170, 255, 0.2);
      animation: preloaderPulse 3.4s ease-in-out infinite;
    }

    .preloader-core {
      position: absolute;
      width: 47%;
      aspect-ratio: 1;
      display: grid;
      place-items: center;
      border-radius: 50%;
      overflow: hidden;
      border: 1px solid rgba(255, 255, 255, 0.14);
      background:
        radial-gradient(circle at 30% 24%, rgba(255, 255, 255, 0.26), transparent 24%),
        linear-gradient(145deg, rgba(255, 255, 255, 0.14), rgba(37, 76, 137, 0.18) 34%, rgba(8, 27, 48, 0.96) 74%);
      box-shadow:
        inset 0 0 30px rgba(110, 231, 255, 0.12),
        0 0 44px rgba(102, 170, 255, 0.16),
        0 18px 42px rgba(0, 0, 0, 0.38);
      animation: preloaderPulse 4.5s ease-in-out infinite;
    }

    .preloader-core::before {
      content: "";
      position: absolute;
      inset: -34% 24%;
      background: linear-gradient(180deg, transparent, rgba(255, 255, 255, 0.2), transparent);
      transform: rotate(28deg);
      animation: preloaderSweep 4.8s linear infinite;
    }

    .preloader-logo {
      position: relative;
      z-index: 1;
      width: 78%;
      height: auto;
      object-fit: contain;
      filter: drop-shadow(0 0 22px rgba(110, 231, 255, 0.34)) drop-shadow(0 0 30px rgba(37, 76, 137, 0.24));
      opacity: 0.96;
    }

    .preloader-signal {
      position: absolute;
      bottom: 8%;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .preloader-signal span {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: linear-gradient(180deg, #ffffff, var(--cyan));
      box-shadow: 0 0 18px rgba(110, 231, 255, 0.34);
      animation: signalPulse 1.8s ease-in-out infinite;
    }

    .preloader-signal span:nth-child(2) {
      animation-delay: 0.22s;
    }

    .preloader-signal span:nth-child(3) {
      animation-delay: 0.44s;
    }

    .preloader-copy {
      position: relative;
      z-index: 1;
      margin: 0;
      color: rgba(255, 255, 255, 0.82);
      font-family: 'Poppins', sans-serif;
      font-size: 12px;
      font-weight: 700;
      letter-spacing: 0.22em;
      text-transform: uppercase;
      text-shadow: 0 0 18px rgba(102, 170, 255, 0.24);
    }

    @keyframes spin {
      to {
        transform: rotate(1turn);
      }
    }

    @keyframes spin-reverse {
      to {
        transform: rotate(-1turn);
      }
    }

    @keyframes preloaderPulse {

      0%,
      100% {
        transform: scale(1);
        opacity: 0.96;
      }

      50% {
        transform: scale(1.04);
        opacity: 1;
      }
    }

    @keyframes preloaderSweep {
      from {
        transform: translateY(-12%) rotate(28deg);
      }

      to {
        transform: translateY(12%) rotate(28deg);
      }
    }

    @keyframes signalPulse {

      0%,
      100% {
        transform: scale(0.72);
        opacity: 0.4;
      }

      50% {
        transform: scale(1.14);
        opacity: 1;
      }
    }

    @keyframes preloaderDrift {
      from {
        transform: translate3d(-10px, -8px, 0);
      }

      to {
        transform: translate3d(10px, 8px, 0);
      }
    }

    body.no-scroll {
      overflow: hidden;
    }

    /* ── NAVBAR ── */
    .topbar {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 50;
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 0 32px;
      height: 64px;
      background: rgba(13, 18, 30, 0.28);
      backdrop-filter: blur(20px);
      -webkit-backdrop-filter: blur(20px);
      border-bottom: 1px solid rgba(102, 170, 255, 0.12);
      box-shadow: 0 14px 34px rgba(8, 27, 48, 0.18);
    }

    /* Logo */
    .brand {
      display: flex;
      align-items: center;
      gap: 18px;
    }

    .brand::after {
      content: "";
      width: 1px;
      height: 32px;
      background: linear-gradient(180deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.58), rgba(255, 255, 255, 0.12));
    }

    .brand img {
      height: 92px;
      width: auto;
      object-fit: contain;
      object-position: left center;
      filter: drop-shadow(0 0 18px rgba(255, 255, 255, 0.18));
    }

    /* Nav links */
    .nav-links {
      display: flex;
      align-items: center;
      gap: 4px;
    }

    .nav-links a {
      font-family: 'Poppins', sans-serif;
      font-weight: 700;
      font-size: 13px;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      color: rgba(255, 255, 255, 0.72);
      padding: 8px 16px;
      border-radius: 8px;
      border: 1px solid transparent;
      transition: all 0.2s ease;
    }

    .nav-links a:hover {
      color: #fff;
      border-color: rgba(102, 170, 255, 0.16);
      background: rgba(37, 76, 137, 0.18);
    }

    .nav-links a.active {
      color: var(--secondary);
      border-bottom: 2px solid var(--star);
      border-radius: 0;
      padding-bottom: 6px;
      box-shadow: inset 0 -1px 0 rgba(102, 170, 255, 0.28);
    }

    /* Botão acessar */
    .btn-acessar {
      font-family: 'Poppins', sans-serif;
      font-weight: 700;
      font-size: 14px;
      color: var(--access);
      background: var(--white);
      border: 1px solid rgba(255, 255, 255, 0.88);
      padding: 10px 22px;
      border-radius: 8px;
      transition: all 0.2s ease;
      box-shadow: 0 12px 26px rgba(0, 0, 0, 0.16), 0 0 18px rgba(102, 170, 255, 0.08);
      white-space: nowrap;
    }

    .btn-acessar:hover {
      color: var(--access-hover);
      background: var(--white);
      box-shadow: 0 14px 30px rgba(0, 0, 0, 0.18), 0 0 26px rgba(102, 170, 255, 0.14);
      transform: translateY(-1px);
    }

    /* Mobile menu toggle */
    .menu-toggle {
      display: none;
      color: var(--on-surface);
      padding: 6px;
    }

    .menu-toggle svg {
      width: 24px;
      height: 24px;
    }

    /* ── HERO (fullscreen) ── */
    .hero {
      position: relative;
      width: 100%;
      min-height: 100dvh;
      overflow: hidden;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .hero::before {
      content: "";
      position: absolute;
      left: 50%;
      bottom: 0;
      z-index: 7;
      width: min(1280px, calc(100% - 64px));
      height: 1px;
      transform: translateX(-50%);
      pointer-events: none;
      background: linear-gradient(90deg,
          transparent 0%,
          rgba(110, 231, 255, 0.14) 12%,
          rgba(255, 255, 255, 0.72) 28%,
          rgba(255, 255, 255, 0.95) 50%,
          rgba(255, 255, 255, 0.72) 72%,
          rgba(110, 231, 255, 0.14) 88%,
          transparent 100%);
      box-shadow: 0 0 12px rgba(110, 231, 255, 0.16);
      opacity: 0.86;
    }

    .hero::after {
      content: "";
      position: absolute;
      left: 50%;
      bottom: -10px;
      z-index: 6;
      width: 180px;
      height: 54px;
      transform: translateX(-50%);
      pointer-events: none;
      background: radial-gradient(ellipse at center,
          rgba(255, 255, 255, 0.18) 0%,
          rgba(110, 231, 255, 0.12) 24%,
          rgba(247, 148, 29, 0.08) 42%,
          transparent 74%);
      filter: blur(14px);
      opacity: 0.58;
    }

    /* Vídeo de fundo */
    .video-bg {
      position: absolute;
      top: 64px;
      right: 0;
      bottom: 0;
      left: 0;
      z-index: 0;
      overflow: hidden;
    }

    .video-bg video {
      width: 100%;
      height: 100%;
      object-fit: cover;
      object-position: center center;
      opacity: 0.35;
      pointer-events: none;
      user-select: none;
      -webkit-user-select: none;
    }

    .video-bg video::-webkit-media-controls-picture-in-picture-button {
      display: none !important;
    }

    /* Overlay gradiente — só topo e leve escurecimento geral, SEM gradiente no fundo */
    .hero-overlay {
      position: absolute;
      inset: 0;
      z-index: 1;
      pointer-events: none;
      background:
        linear-gradient(to bottom, rgba(18, 19, 23, 0.55) 0%, rgba(18, 19, 23, 0.02) 18%, transparent 40%),
        linear-gradient(to top, #081b30 0%, rgba(8, 27, 48, 0.92) 4%, rgba(8, 27, 48, 0) 28%);
    }

    /* Starry overlay */
    .starry-overlay {
      position: absolute;
      inset: 0;
      z-index: 2;
      pointer-events: none;
      opacity: 0.22;
      background-image:
        radial-gradient(white, rgba(255, 255, 255, .2) 2px, transparent 40px),
        radial-gradient(white, rgba(255, 255, 255, .15) 1px, transparent 30px),
        radial-gradient(white, rgba(255, 255, 255, .1) 2px, transparent 40px);
      background-size: 550px 550px, 350px 350px, 250px 250px;
      background-position: 0 0, 40px 60px, 130px 270px;
    }



    /* ── LOGO CENTRAL MAGNÍFICA ── */
    .center-logo-stage {
      position: absolute;
      top: 48%;
      left: 50%;
      transform: translate(-50%, -50%);
      z-index: 5;
      pointer-events: none;
      display: flex;
      justify-content: center;
      align-items: center;
      opacity: 0;
    }

    .center-logo-stage.show {
      animation: logoReveal 3s cubic-bezier(0.16, 1, 0.2, 1) 1.5s forwards, floatLogo 6s ease-in-out infinite 5s;
    }

    .center-logo-stage img {
      width: clamp(800px, 79vw, 2300px);
      max-width: none;
      height: auto;
      transform: scale(1.12);
      transform-origin: center;
      object-fit: contain;
      filter: drop-shadow(0 0 40px rgba(110, 231, 255, 0.4)) drop-shadow(0 0 100px rgba(37, 76, 137, 0.7));
    }

    .hero-scroll-cta {
      position: absolute;
      left: 50%;
      bottom: clamp(28px, 7vh, 72px);
      z-index: 6;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 11px;
      color: #ffffff;
      letter-spacing: 0;
      opacity: 0;
      pointer-events: none;
      transform: translateX(-50%) translateY(18px);
      transition: opacity 0.8s ease 2.5s, transform 0.8s cubic-bezier(0.16, 1, 0.2, 1) 2.5s;
    }

    .hero-scroll-cta.show {
      opacity: 1;
      pointer-events: auto;
      transform: translateX(-50%) translateY(0);
    }

    .hero-scroll-cta-label {
      font-family: 'Poppins', sans-serif;
      font-size: 13px;
      font-weight: 700;
      line-height: 1;
      text-shadow: 0 0 18px rgba(102, 170, 255, 0.65);
    }

    .hero-scroll-cta-dot {
      position: relative;
      display: grid;
      place-items: center;
      width: 52px;
      height: 52px;
      border: 1px solid rgba(110, 231, 255, 0.52);
      border-radius: 50%;
      background:
        radial-gradient(circle at 50% 35%, rgba(255, 255, 255, 0.24), transparent 30%),
        rgba(37, 76, 137, 0.72);
      box-shadow: 0 0 22px rgba(102, 170, 255, 0.46), 0 0 54px rgba(35, 116, 187, 0.32);
      transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
    }

    .hero-scroll-cta-dot::before {
      content: "";
      position: absolute;
      inset: -16px;
      border-radius: 50%;
      background: rgba(102, 170, 255, 0.3);
      filter: blur(18px);
      opacity: 0.7;
      animation: ctaGlowPulse 1.7s ease-in-out infinite;
    }

    .hero-scroll-cta:hover .hero-scroll-cta-dot,
    .hero-scroll-cta:focus-visible .hero-scroll-cta-dot {
      transform: translateY(2px) scale(1.04);
      border-color: rgba(110, 231, 255, 0.88);
      background:
        radial-gradient(circle at 50% 35%, rgba(255, 255, 255, 0.3), transparent 32%),
        rgba(35, 116, 187, 0.86);
    }

    .hero-scroll-cta:focus-visible {
      outline: none;
    }

    .hero-scroll-cta svg {
      position: relative;
      z-index: 1;
      width: 20px;
      height: 20px;
      color: #ffffff;
      animation: arrowFloat 1.8s ease-in-out infinite;
    }

    @keyframes ctaGlowPulse {

      0%,
      100% {
        opacity: 0.42;
        transform: scale(0.92);
      }

      50% {
        opacity: 0.95;
        transform: scale(1.12);
      }
    }

    @keyframes arrowFloat {

      0%,
      100% {
        transform: translateY(-1px);
      }

      50% {
        transform: translateY(4px);
      }
    }

    @keyframes logoReveal {
      0% {
        opacity: 0;
        transform: translate(-50%, calc(-50% + 50px)) scale(0.9);
        filter: blur(12px);
      }

      100% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
        filter: blur(0);
      }
    }

    @keyframes floatLogo {

      0%,
      100% {
        transform: translate(-50%, -50%);
      }

      50% {
        transform: translate(-50%, calc(-50% - 20px));
      }
    }

    @media (max-width: 1024px) {
      .courses-heading,
      .courses-grid {
        grid-template-columns: 1fr;
      }

      .track-nav-panel {
        position: relative;
        top: auto;
        padding: 0;
      }

      .track-nav-panel::before {
        display: none;
      }

      .track-nav-title {
        max-width: none;
        text-align: left;
      }

      .track-nav-callout {
        max-width: none;
        margin-left: 0;
        margin-right: 0;
      }

      .track-orbits {
        grid-template-columns: repeat(2, minmax(240px, 1fr));
        gap: 18px;
        justify-content: center;
      }

      .track-orbit {
        width: 252px;
        height: 252px;
      }

      .track-orbit-core {
        width: 132px;
        height: 132px;
        font-size: 42px;
      }
    }

    /* ── FOOTER ── */
    .site-footer {
      width: 100%;
      padding: 28px 32px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 16px;
      border-top: 1px solid rgba(102, 170, 255, 0.12);
      background: rgba(13, 18, 30, 0.88);
      box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03);
    }

    .footer-brand {
      display: flex;
      align-items: center;
      gap: 16px;
    }

    .footer-brand img {
      height: 44px;
      width: auto;
      opacity: 0.94;
      object-fit: contain;
      filter: drop-shadow(0 0 16px rgba(255, 255, 255, 0.12));
    }

    .footer-copy {
      font-family: 'Poppins', sans-serif;
      font-size: 13px;
      color: rgba(201, 215, 234, 0.72);
      max-width: 420px;
    }

    .footer-links {
      display: flex;
      align-items: center;
      gap: 20px;
    }

    .footer-links a {
      font-family: 'Poppins', sans-serif;
      font-size: 13px;
      font-weight: 600;
      color: rgba(201, 215, 234, 0.58);
      transition: color 0.2s;
    }

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

    /* ── BRAND SECTIONS ── */
    .section-kicker {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      color: var(--cyan);
      font-family: 'Poppins', sans-serif;
      font-size: 12px;
      font-weight: 700;
      letter-spacing: 0.14em;
      text-transform: uppercase;
      margin-bottom: 20px;
    }

    .section-kicker::before {
      content: "";
      width: 34px;
      height: 1px;
      background: linear-gradient(90deg, var(--star), var(--cyan));
      box-shadow: 0 0 14px rgba(102, 170, 255, 0.22);
    }

    .mission-panel,
    .feature-card,
    .badge-panel,
    .cta-shell {
      position: relative;
      overflow: hidden;
      border: 1px solid var(--outline);
      background: rgba(255, 255, 255, 0.07);
      backdrop-filter: blur(18px);
      -webkit-backdrop-filter: blur(18px);
      box-shadow: 0 22px 48px rgba(0, 0, 0, 0.24);
    }

    .mission-panel::before,
    .badge-panel::before,
    .cta-shell::before {
      content: "";
      position: absolute;
      inset: 0;
      pointer-events: none;
      background:
        radial-gradient(circle at top right, rgba(102, 170, 255, 0.16), transparent 30%),
        linear-gradient(145deg, rgba(255, 255, 255, 0.04), transparent 36%);
    }

    .about-title {
      max-width: 13ch;
      color: var(--white);
      font-family: 'Montserrat', sans-serif;
      font-size: clamp(38px, 5.4vw, 68px);
      font-weight: 900;
      line-height: 0.98;
      letter-spacing: -0.03em;
      margin-bottom: 24px;
      position: relative;
      z-index: 1;
    }

    .about-title span {
      color: var(--star);
      text-shadow: 0 0 24px rgba(102, 170, 255, 0.2);
    }

    .about-copy {
      max-width: 720px;
      color: var(--on-muted);
      font-size: 18px;
      line-height: 1.74;
      position: relative;
      z-index: 1;
    }

    .mission-panel {
      border-radius: 24px;
      padding: clamp(28px, 4vw, 44px);
    }

    .feature-card {
      border-radius: 22px;
      padding: 28px;
    }

    .feature-icon {
      display: grid;
      place-items: center;
      width: 56px;
      height: 56px;
      margin-bottom: 18px;
      border-radius: 16px;
      border: 1px solid rgba(110, 231, 255, 0.18);
      background: linear-gradient(135deg, rgba(37, 76, 137, 0.42), rgba(110, 231, 255, 0.1));
      box-shadow: 0 0 24px rgba(102, 170, 255, 0.14);
      color: var(--cyan);
    }

    .feature-card--platform .feature-icon {
      border-color: rgba(102, 170, 255, 0.2);
      background: linear-gradient(135deg, rgba(37, 76, 137, 0.48), rgba(102, 170, 255, 0.12));
      color: var(--star);
    }

    .feature-card h3,
    .badge-title {
      color: var(--white);
      font-family: 'Montserrat', sans-serif;
      font-size: 24px;
      font-weight: 800;
      line-height: 1.15;
      margin-bottom: 12px;
      position: relative;
      z-index: 1;
    }

    .feature-card p,
    .badge-copy {
      color: var(--on-muted);
      font-size: 16px;
      line-height: 1.72;
      position: relative;
      z-index: 1;
    }

    .badge-panel {
      height: 100%;
      padding: 34px 28px;
      border-radius: 24px;
      border-color: rgba(110, 231, 255, 0.22);
      background: rgba(17, 24, 39, 0.62);
      box-shadow: 0 24px 54px rgba(0, 0, 0, 0.28), 0 0 28px rgba(102, 170, 255, 0.12);
    }

    .badge-orbit {
      position: relative;
      width: 304px;
      height: 304px;
      margin: 0 auto 34px;
      display: grid;
      place-items: center;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(102, 170, 255, 0.12) 0%, rgba(102, 170, 255, 0.03) 48%, transparent 72%);
      box-shadow: 0 0 34px rgba(102, 170, 255, 0.14);
    }

    .badge-orbit::before {
      content: "";
      position: absolute;
      inset: 12px;
      border-radius: 50%;
      border: 1px solid rgba(255, 255, 255, 0.08);
      background: radial-gradient(circle at 30% 28%, rgba(255, 255, 255, 0.16), rgba(255, 255, 255, 0.02) 36%, transparent 70%);
      pointer-events: none;
    }

    .badge-orbit::after {
      content: "";
      position: absolute;
      inset: 2px;
      border-radius: 50%;
      border: 1px dashed rgba(110, 231, 255, 0.3);
      box-shadow: 0 0 16px rgba(102, 170, 255, 0.16);
      animation: spin 90s linear infinite;
      pointer-events: none;
    }

    .badge-core {
      position: relative;
      width: 248px;
      height: 248px;
      display: grid;
      place-items: center;
      border-radius: 50%;
      overflow: hidden;
      border: 1px solid rgba(255, 255, 255, 0.16);
      background:
        radial-gradient(circle at 32% 26%, rgba(255, 255, 255, 0.3), transparent 34%),
        radial-gradient(circle at center, rgba(91, 154, 255, 0.14), rgba(13, 18, 30, 0.9) 72%);
      box-shadow:
        inset 0 0 26px rgba(110, 231, 255, 0.1),
        0 16px 30px rgba(0, 0, 0, 0.28);
    }

    .badge-core::before {
      content: "";
      position: absolute;
      inset: 9px;
      border-radius: 50%;
      border: 1px solid rgba(255, 255, 255, 0.08);
      pointer-events: none;
    }

    .badge-image {
      position: relative;
      z-index: 1;
      width: 92%;
      height: 92%;
      object-fit: contain;
      filter: drop-shadow(0 10px 18px rgba(8, 27, 48, 0.32));
    }

    .badge-title {
      color: var(--cyan);
    }

    .badge-copy {
      margin-bottom: 24px;
    }

    .badge-button,
    .cta-primary,
    .cta-secondary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      padding: 13px 20px;
      border-radius: 10px;
      font-family: 'Poppins', sans-serif;
      font-size: 14px;
      font-weight: 700;
      transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease;
    }

    .badge-button {
      border: 1px solid rgba(110, 231, 255, 0.24);
      background: rgba(37, 76, 137, 0.18);
      color: var(--white);
    }

    .badge-button:hover,
    .badge-button:focus-visible {
      border-color: rgba(110, 231, 255, 0.4);
      background: rgba(37, 76, 137, 0.34);
      transform: translateY(-1px);
      outline: none;
    }

    .cta-shell {
      max-width: 900px;
      margin: 0 auto;
      padding: clamp(34px, 5vw, 58px);
      border-radius: 28px;
      text-align: center;
      background: linear-gradient(180deg, rgba(13, 18, 30, 0.84), rgba(17, 24, 39, 0.8));
    }

    .cta-title {
      color: var(--white);
      font-family: 'Montserrat', sans-serif;
      font-size: clamp(40px, 5.4vw, 70px);
      font-weight: 900;
      line-height: 0.98;
      letter-spacing: -0.03em;
      margin-bottom: 20px;
    }

    .cta-title span {
      color: var(--star);
      text-shadow: 0 0 24px rgba(102, 170, 255, 0.22);
    }

    .cta-copy {
      max-width: 620px;
      margin: 0 auto 30px;
      color: var(--on-muted);
      font-size: 18px;
      line-height: 1.72;
    }

    .cta-actions {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 14px;
    }

    .cta-primary {
      border: 1px solid rgba(102, 170, 255, 0.18);
      background: var(--access);
      color: var(--white);
      box-shadow: 0 0 30px rgba(102, 170, 255, 0.22);
    }

    .cta-primary:hover,
    .cta-primary:focus-visible {
      background: var(--access-hover);
      box-shadow: 0 0 42px rgba(102, 170, 255, 0.32);
      transform: translateY(-1px);
      outline: none;
    }

    .cta-secondary {
      border: 1px solid rgba(255, 255, 255, 0.12);
      background: rgba(255, 255, 255, 0.05);
      color: var(--white);
    }

    .cta-secondary:hover,
    .cta-secondary:focus-visible {
      border-color: rgba(110, 231, 255, 0.22);
      background: rgba(37, 76, 137, 0.18);
      transform: translateY(-1px);
      outline: none;
    }

    /* ── MOBILE ── */
    @media (max-width: 768px) {
      .topbar {
        padding: 0 16px;
      }

      .nav-links {
        display: none;
      }

      .menu-toggle {
        display: flex;
      }

      .brand {
        gap: 12px;
      }

      .brand::after {
        height: 26px;
      }

      .brand img {
        height: 36px;
      }

      .center-logo-stage {
        top: 44%;
        width: calc(100% - 40px);
      }

      .center-logo-stage img {
        width: clamp(280px, 82vw, 430px);
        max-width: 100%;
        transform: scale(1.05);
        filter: drop-shadow(0 0 24px rgba(110, 231, 255, 0.32)) drop-shadow(0 0 48px rgba(37, 76, 137, 0.44));
      }

      .preloader-copy {
        font-size: 10px;
        letter-spacing: 0.18em;
      }

      .loader {
        width: clamp(190px, 56vw, 280px);
      }

      .courses-section {
        padding: 72px 14px 86px;
      }

      .hero::before {
        width: calc(100% - 28px);
      }

      .hero::after {
        width: 128px;
        height: 42px;
        bottom: -8px;
      }

      .courses-heading {
        gap: 18px;
        margin-bottom: 34px;
      }

      .courses-title {
        font-size: clamp(38px, 14vw, 58px);
      }

      .courses-lede {
        font-size: 15px;
      }

      .track-nav-panel,
      .courses-carousel-panel {
        border-radius: 0;
      }

      .track-nav-callout {
        gap: 12px;
        padding: 14px 16px;
        margin-bottom: 22px;
      }

      .track-nav-callout p {
        font-size: 13px;
      }

      .track-orbits {
        grid-template-columns: repeat(2, minmax(144px, 1fr));
        gap: 12px;
      }

      .track-orbit {
        width: min(43vw, 190px);
        height: min(43vw, 190px);
      }

      .track-orbit::after {
        bottom: 10px;
        min-width: 110px;
        padding: 7px 10px;
        font-size: 9px;
        letter-spacing: 0.06em;
      }

      .track-orbit-core {
        width: min(24vw, 100px);
        height: min(24vw, 100px);
        font-size: clamp(30px, 8vw, 34px);
      }

      .courses-carousel-panel {
        padding: 0;
      }

      .active-track-meta {
        gap: 10px;
        padding-top: 24px;
      }

      .course-marquee {
        margin: 0 -14px 0 -4px;
        padding: 18px 14px 28px 4px;
        mask-image: linear-gradient(90deg, transparent 0%, black 5%, black 92%, transparent 100%);
      }

      .active-track-text {
        padding-right: 0;
      }

      .active-track-name {
        max-width: none;
      }

      .course-carousel-controls {
        position: static;
        justify-content: flex-start;
        margin: -4px 0 16px;
      }

      .course-carousel-btn {
        width: 46px;
        height: 46px;
      }

      .course-card {
        flex-basis: 218px;
      }

      .course-starfield {
        opacity: 0.38;
      }

      .section-bg-icon {
        color: rgba(255, 255, 255, 0.08);
        font-size: clamp(54px, 14vw, 88px);
      }

      .section-bg-icon--small {
        display: none;
      }

      .section-bg-icon--medium {
        color: rgba(255, 255, 255, 0.07);
        font-size: clamp(46px, 11vw, 72px);
      }

      .about-title {
        max-width: none;
        font-size: clamp(34px, 14vw, 54px);
      }

      .about-copy,
      .cta-copy {
        font-size: 16px;
      }

      .mission-panel,
      .feature-card,
      .badge-panel,
      .cta-shell {
        padding-left: 22px;
        padding-right: 22px;
      }

      .badge-orbit {
        width: 210px;
        height: 210px;
        margin-bottom: 26px;
      }

      .badge-core {
        width: 170px;
        height: 170px;
      }

      .cta-actions {
        flex-direction: column;
        align-items: stretch;
      }

      .cta-primary,
      .cta-secondary {
        width: 100%;
      }

      .footer-brand {
        flex-direction: column;
        text-align: center;
      }



      .site-footer {
        flex-direction: column;
        text-align: center;
        padding: 20px 16px;
        gap: 12px;
      }

      .footer-links {
        flex-wrap: wrap;
        justify-content: center;
      }
    }

    @media (max-width: 480px) {
      .center-logo-stage {
        top: 43%;
      }

      .center-logo-stage img {
        width: clamp(240px, 82vw, 360px);
        transform: scale(1.03);
      }

      .loader {
        width: min(68vw, 240px);
      }
    }

    @media (prefers-reduced-motion: reduce) {

      .course-starfield,
      .section-horizon::after {
        animation: none;
      }
    }
