@media (max-width: 768px) {
  /* Zero Horizontal Overflow & Base Viewport Units */
  *,
  *::before,
  *::after {
    box-sizing: border-box;
  }

  html,
  body {
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
    position: relative;
    background-color: #000;
  }

  video {
    pointer-events: none;
    -webkit-appearance: none;
  }

  video::-webkit-media-controls,
  video::-webkit-media-controls-start-playback-button,
  video::-webkit-media-controls-play-button,
  video::-webkit-media-controls-panel,
  video::-webkit-media-controls-overlay-play-button {
    display: none !important;
    -webkit-appearance: none !important;
    opacity: 0 !important;
  }

  #main {
    width: 100%;
    max-width: 100%;
    position: relative;
    overflow-x: hidden;
    background-color: #000;
  }

  /* 1. Mobile Navigation & Slide-Down Overlay */
  .navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 18px;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    max-width: 100%;
    z-index: 99999;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

  .logo {
    position: static;
    transform: none;
  }

  .logo img {
    margin: 0;
    height: 22px;
    transform: scale(2.2);
    transform-origin: center;
  }

  .nav-icons {
    position: static;
    right: auto;
    top: auto;
    gap: 18px;
  }

  #menu {
    display: block;
    font-size: 1.15rem;
    cursor: pointer;
    color: #ffffff;
  }

  /* Slide-down Fullscreen Mobile Overlay */
  .navbar ul {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 52px;
    left: 0;
    width: 100%;
    height: calc(100vh - 52px);
    height: calc(100svh - 52px);
    background: rgba(0, 0, 0, 0.96);
    backdrop-filter: blur(30px) saturate(180%);
    -webkit-backdrop-filter: blur(30px) saturate(180%);
    padding: 2rem 1.5rem;
    gap: 1.1rem;
    z-index: 99998;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-20px);
    transition: opacity 0.35s cubic-bezier(0.16, 1, 0.3, 1), transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  }

  .navbar.active ul {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .navbar ul li {
    font-size: 1.15rem;
    font-weight: 500;
    color: #f5f5f7;
    margin: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    padding-bottom: 0.65rem;
  }

  /* Mobile Subnav Capsule */
  #page > nav {
    height: 44px;
    width: 92%;
    top: 66px;
    padding: 0 14px;
    border-radius: 25px;
  }

  #page > nav > h3 {
    font-size: 0.9rem;
  }

  .item p {
    display: none;
  }

  #page > nav > .item > button {
    padding: 5px 12px;
    font-size: 11.5px;
    margin-left: 0;
  }

  /* 2. Hero & Videos */
  #page {
    height: 100svh;
    width: 100%;
    max-width: 100%;
    position: relative;
    overflow: hidden;
    background: #000;
  }

  #page > video {
    height: 60svh;
    width: 100%;
    object-fit: contain;
    position: absolute;
    top: 45%;
    left: 50%;
    transform: translate(-50%, -50%);
  }

  #page-bottom {
    position: absolute;
    bottom: 5%;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    height: auto;
    padding: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 10;
  }

  #page-bottom img {
    max-width: 200px;
    width: 60%;
    height: auto;
    margin-bottom: 0.3rem;
  }

  #page-bottom h3 {
    font-size: 0.9rem;
    margin-top: 0.3rem;
    color: #ff5a00;
    cursor: pointer;
  }

  /* Page 1 & Page 2 Video Sections */
  #page1,
  #page2 {
    height: 85svh;
    min-height: 460px;
    width: 100%;
    max-width: 100%;
    position: relative;
    overflow: hidden;
    background: #000;
  }

  #page1 > video,
  #page2 > video {
    height: 100%;
    width: 100%;
    object-fit: cover;
    object-position: center;
  }

  #page1 > h1,
  #page2 > h1 {
    font-size: clamp(1.3rem, 4.6vw, 1.9rem);
    white-space: normal;
    text-align: center;
    width: 90%;
    left: 50%;
    transform: translateX(-50%);
    bottom: 10%;
    line-height: 1.25;
    text-shadow: 0 2px 18px rgba(0, 0, 0, 0.9);
  }

  /* Page 3 Guided Tour / Hardware Look */
  #page3 {
    height: auto;
    min-height: 75svh;
    width: 100%;
    max-width: 100%;
    padding: 2.2rem 1.25rem;
    position: relative;
    background-color: #fff;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    gap: 1.2rem;
  }

  #page3-upper {
    position: static;
    transform: none;
    width: 90%;
    height: auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    z-index: 10;
  }

  #page3-upper > img {
    position: static;
    transform: none;
    width: 55%;
    max-width: 170px;
    height: auto;
  }

  #page3-upper-inner {
    position: static;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.2rem;
    width: 100%;
    padding: 0;
    color: #ff823d;
  }

  #page3-upper-inner > h3 {
    font-size: 0.82rem;
    font-weight: 600;
  }

  #page3 > img {
    position: static;
    transform: none;
    width: 82%;
    max-width: 300px;
    height: auto;
    object-fit: contain;
    margin: 0.8rem auto;
    display: block;
  }

  #page3 > button {
    position: static;
    transform: none;
    font-size: 0.9rem;
    padding: 10px 22px;
    border-radius: 980px;
    background-color: #fff;
    border: 1px solid #000;
    white-space: nowrap;
    z-index: 10;
  }

  /* Page 4 Apps Section */
  #page4 {
    height: 85svh;
    min-height: 460px;
    width: 100%;
    max-width: 100%;
    position: relative;
    overflow: hidden;
    background: #000;
  }

  #page4 > video {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
  }

  #center-page4 {
    position: absolute;
    top: 12%;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    text-align: center;
    z-index: 10;
  }

  #center-page4 h5 {
    font-size: 0.88rem;
    color: #a1a1a6;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.3rem;
  }

  #center-page4 h1 {
    width: 100%;
    line-height: 1.18;
    font-size: clamp(1.45rem, 4.8vw, 2rem);
    color: #ffffff;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.9);
  }

  /* Page 5 & 6 Text Story Sections */
  #page5 {
    display: flex;
    flex-direction: column;
    height: auto;
    min-height: auto;
    width: 100%;
    max-width: 100%;
    padding: 2.5rem 1.25rem 2rem 1.25rem;
    gap: 1.2rem;
    background: #fff;
  }

  .left5 {
    height: auto;
    width: 100%;
    margin-top: 0;
  }

  .left5 > h1 {
    display: block;
    font-size: clamp(1.6rem, 5vw, 2.2rem);
    position: static;
    transform: none;
    line-height: 1.2;
    text-align: center;
    color: #1d1d1f;
  }

  .left5 > h2 {
    display: none;
  }

  .right5 {
    width: 100%;
    padding-left: 0;
    align-items: center;
    text-align: center;
  }

  .right5 > h3 {
    font-size: clamp(0.92rem, 3.4vw, 1.1rem);
    width: 100%;
    line-height: 1.5;
    color: #484848;
  }

  .right5 > button {
    font-size: 0.88rem;
    margin-top: 1rem;
    margin-left: 0;
    padding: 9px 20px;
  }

  #page6 {
    height: auto;
    min-height: auto;
    width: 100%;
    max-width: 100%;
    padding: 2.5rem 1.25rem 2rem 1.25rem;
    background-color: #f5f5f7;
  }

  #page6 > h3 {
    font-size: 0.88rem;
    margin-bottom: 0.4rem;
  }

  #page6 > h1 {
    font-size: clamp(1.8rem, 5.8vw, 2.6rem);
    line-height: 1.1;
    margin-bottom: 0.8rem;
  }

  #page6 > p {
    font-size: clamp(0.9rem, 3.2vw, 1.05rem);
    width: 100%;
    line-height: 1.5;
  }

  /* 3. 360 Showcase Section & Overlay Cards */
  #vision-360-showcase {
    position: relative;
    width: 100%;
    max-width: 100%;
    height: 100svh;
    background-color: #f5f5f7;
    overflow: hidden;
  }

  #page7 {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
  }

  #page7 > canvas {
    width: 100% !important;
    height: 100svh !important;
    object-fit: contain;
    position: absolute;
    top: 0;
    left: 0;
  }

  .showcase-card {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding-bottom: 5svh;
    pointer-events: none;
  }

  .showcase-card > h1 {
    width: 88%;
    max-width: 420px;
    font-size: clamp(0.82rem, 3vw, 0.98rem);
    line-height: 1.35;
    color: #333336;
    background: rgba(255, 255, 255, 0.88);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(0, 0, 0, 0.06);
    padding: 12px 16px;
    border-radius: 16px;
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.08);
    text-align: center;
    position: static;
    transform: none;
    margin: 0 auto;
  }

  .showcase-card > h1 > span {
    display: block;
    font-size: clamp(1.05rem, 4vw, 1.3rem);
    font-weight: 600;
    color: #1d1d1f;
    margin-bottom: 3px;
  }

  #page8 > h1,
  #page9 > h1,
  #page10 > h1,
  #page11 > h1,
  #page12 > h1,
  #page13 > h1 {
    left: auto !important;
    right: auto !important;
    top: auto !important;
    bottom: auto !important;
    transform: none !important;
  }

  /* 4. Page 14 Product Dual Images (Glass Top / Side) */
  #page14 {
    display: flex;
    flex-direction: column;
    height: auto;
    width: 100%;
    max-width: 100%;
    gap: 1.2rem;
    padding: 2rem 1.25rem;
    background-color: #fff;
  }

  .left14,
  .right14 {
    width: 100%;
    height: 38vw;
    min-height: 170px;
    max-height: 230px;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    border-radius: 18px;
    background-color: #000;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
  }

  /* 5. Page 15 (Video) & Page 16 (Light Seal Image) */
  #page15 {
    height: auto;
    min-height: auto;
    width: 100%;
    max-width: 100%;
    padding: 1.5rem 1rem;
    background-color: #000;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  #center-page15 {
    width: 100%;
    height: auto;
    border-radius: 14px;
    overflow: hidden;
  }

  #center-page15 > video {
    width: 100%;
    height: auto;
    max-height: 50svh;
    object-fit: contain;
    border-radius: 14px;
    display: block;
  }

  #page16 {
    height: auto;
    min-height: auto;
    width: 100%;
    max-width: 100%;
    padding: 2.5rem 1.25rem 2rem 1.25rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    background-color: #fff;
  }

  #page16 > h2 {
    position: static;
    width: 100%;
    font-size: clamp(0.95rem, 3.5vw, 1.25rem);
    line-height: 1.45;
    color: #434343;
    margin-bottom: 1.2rem;
  }

  #page16 > img {
    position: static;
    width: 78%;
    max-width: 270px;
    height: auto;
    object-fit: contain;
    margin: 0 auto 1.2rem auto;
    display: block;
  }

  #page16 > button {
    position: static;
    transform: none;
    font-size: 0.88rem;
    padding: 9px 20px;
    background-color: #ff823d;
    color: #fff;
    border-radius: 50px;
    border: none;
  }

  /* 6. Technology & Page 18 Exploded Hardware Canvas */
  #page17 {
    height: auto;
    min-height: auto;
    width: 100%;
    max-width: 100%;
    padding: 2.2rem 1.25rem 0.5rem 1.25rem;
    background-color: #000;
    color: #fff;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
  }

  #page17 > h4 {
    font-size: 0.88rem;
    margin-bottom: 0.35rem;
  }

  #page17 > h1 {
    font-size: clamp(1.7rem, 5.2vw, 2.4rem);
    line-height: 1.15;
    margin-bottom: 0.8rem;
  }

  #page17 > p {
    width: 100%;
    font-size: clamp(0.9rem, 3.2vw, 1.05rem);
    line-height: 1.5;
    margin-bottom: 0.5rem;
  }

  #page18 {
    height: 70svh;
    min-height: 360px;
    width: 100%;
    max-width: 100%;
    background-color: #000 !important;
    position: relative;
    overflow: hidden;
  }

  #page18 > canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100% !important;
    height: 70svh !important;
    object-fit: contain;
    background-color: #000;
  }

  #page19 {
    height: auto;
    min-height: auto;
    width: 100%;
    max-width: 100%;
    padding: 1.5rem 1.25rem 2rem 1.25rem;
    background-color: #000;
    color: #fff;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
  }

  #page19 > h1 {
    font-size: clamp(1.45rem, 4.8vw, 2.1rem);
    line-height: 1.2;
    text-align: center;
    width: 100%;
    margin-bottom: 0.6rem;
  }

  #page19 > h5 {
    font-size: clamp(0.88rem, 3.2vw, 1.02rem);
    line-height: 1.45;
    text-align: center;
    width: 95%;
    color: rgba(255, 255, 255, 0.7);
    font-weight: 400;
  }

  /* 7. Spatial Audio, Sensors & Dual-Chip Sections */
  #page20 {
    height: 80svh;
    min-height: 450px;
    width: 100%;
    max-width: 100%;
    position: relative;
    overflow: hidden;
    background: #000;
  }

  #page20 > video {
    height: 100%;
    width: 100%;
    object-fit: cover;
    object-position: center;
  }

  #center-page20 {
    position: absolute;
    bottom: 6%;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    text-align: center;
    z-index: 10;
  }

  #center-page20 > h1 {
    font-size: clamp(1.35rem, 4.6vw, 1.9rem);
    line-height: 1.15;
    margin-bottom: 0.5rem;
  }

  #center-page20 > p {
    font-size: 0.88rem;
    line-height: 1.4;
    color: rgba(255, 255, 255, 0.8);
  }

  #page21,
  #page22 {
    height: 36svh;
    min-height: 200px;
    max-height: 280px;
    width: 100%;
    max-width: 100%;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #000;
    margin: 0;
    padding: 0;
  }

  #page21 > #troff,
  #page21 > #tron,
  #page22 > #snroff,
  #page22 > #snron {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 78%;
    max-width: 300px;
    height: auto;
    object-fit: contain;
  }

  #page23 {
    height: auto;
    min-height: auto;
    width: 100%;
    max-width: 100%;
    padding: 1.5rem 1.25rem 0.5rem 1.25rem;
    background-color: #000;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  #page23 > img {
    position: static;
    width: 85%;
    max-width: 320px;
    height: auto;
    object-fit: contain;
    display: block;
    margin: 0 auto;
    border-radius: 16px;
    opacity: 1 !important;
  }

  #page24 {
    height: auto;
    min-height: auto;
    width: 100%;
    max-width: 100%;
    padding: 1rem 1.25rem 2.5rem 1.25rem;
    background-color: #000;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
  }

  #center-page24 {
    position: static !important;
    transform: none !important;
    width: 100%;
    max-width: 440px;
    margin: 0 auto;
    text-align: center;
    opacity: 1 !important;
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  #center-page24 h1 {
    font-size: clamp(1.5rem, 5vw, 2.1rem);
    line-height: 1.15;
    color: #fff;
    text-align: center;
    margin: 0 auto 0.8rem auto;
    width: 100%;
  }

  #center-page24 p {
    font-size: 0.92rem;
    line-height: 1.5;
    margin: 0 auto 1.4rem auto;
    color: rgba(255, 255, 255, 0.75);
    text-align: center;
    width: 100%;
  }

  #page24 > #center-page24 > button,
  #center-page24 button {
    position: relative !important;
    padding: 12px 28px !important;
    font-size: 13.5px !important;
    line-height: 1 !important;
    border-radius: 980px !important;
    background-color: #ffffff !important;
    color: #000000 !important;
    font-weight: 600 !important;
    letter-spacing: -0.01em !important;
    margin: 0.5rem auto 0 auto !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    width: auto !important;
    box-shadow: 0 4px 14px rgba(255, 255, 255, 0.15);
  }

  #page25 {
    height: auto;
    min-height: auto;
    width: 100%;
    max-width: 100%;
    padding: 2.5rem 1.25rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    background: #000;
    text-align: center;
  }

  #page25 img {
    position: static;
    width: 32px;
    height: auto;
    filter: invert();
  }

  #page25 h2 {
    position: static;
    font-size: 1.05rem;
    color: #86868b;
  }

  #page25 h1 {
    position: static;
    width: 92%;
    font-size: clamp(1.5rem, 5vw, 2.1rem);
    line-height: 1.15;
    color: #fff;
  }

  #page25 p {
    position: static;
    width: 92%;
    font-size: clamp(0.9rem, 3.2vw, 1.05rem);
    line-height: 1.5;
    color: rgba(255, 255, 255, 0.7);
  }

  /* 8. Mobile Footer */
  footer {
    width: 100%;
    max-width: 100%;
    background: #f5f5f7;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1.5rem 0 2rem 0;
    overflow: hidden;
    color: #6e6e73;
  }

  .inform {
    width: 100%;
    max-width: 100%;
    height: auto;
    padding: 1rem 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 8px;
    border-bottom: 1px solid #d2d2d7;
    position: static;
  }

  .inform p {
    width: 100%;
    text-align: left;
    font-size: 11px;
    line-height: 1.45;
    color: #86868b;
  }

  .list {
    width: 100%;
    max-width: 100%;
    height: auto;
    padding: 1.25rem 1.25rem 0.5rem 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    position: static;
  }

  .head {
    width: 100%;
    height: auto;
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 8px;
  }

  .head img {
    height: 18px;
    width: auto;
  }

  .head h5 {
    font-size: 13px;
    font-weight: 600;
    color: #1d1d1f;
  }

  .menu-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    width: 100%;
    gap: 1.2rem 1rem;
    padding: 0;
    height: auto;
    position: static;
    top: auto;
    left: auto;
  }

  .menu-list ul {
    width: 100%;
    margin: 0;
    padding: 0;
    list-style: none;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 5px;
    text-align: left;
  }

  .menu-list h5 {
    font-size: 11.5px;
    font-weight: 600;
    color: #1d1d1f;
    margin-top: 6px;
  }

  .menu-list h5:first-child {
    margin-top: 0;
  }

  .menu-list li {
    font-size: 11px;
    color: #6e6e73;
    line-height: 1.4;
    padding: 0;
    cursor: pointer;
  }

  .bottom {
    position: static;
    bottom: auto;
    left: auto;
    font-size: 11px;
    line-height: 1.4;
    color: #86868b;
    border-bottom: 1px solid #d2d2d7;
    padding-bottom: 0.8rem;
    width: 100%;
    text-align: left;
    margin-top: 0.5rem;
  }

  .links {
    width: 100%;
    max-width: 100%;
    padding: 0.8rem 1.25rem 1.5rem 1.25rem;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    position: static;
  }

  .links p {
    position: static;
    left: auto;
    font-size: 11px;
    line-height: 1.5;
    color: #86868b;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    width: 100%;
  }

  .links > p > a {
    text-decoration: none;
    color: #515154;
  }

  .line,
  .line1 {
    display: none;
  }
}