@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;600;700;800&family=Playfair+Display:ital,wght@1,600;1,700&display=swap');

  .tedx-speaker-section {
    background:linear-gradient(180deg,#070325,#070325da,#d154b3);
    color: #ffffff;
    font-family: 'Montserrat', sans-serif;
    padding: 60px 20px;
    position: relative;
    overflow: hidden;
  }

  .tedx-container {
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
        padding: 10px 35px;
  }

  .speaker-slider {
    position: relative;
    width: 100%;
  }

  .speaker-title {
    text-align:center;
    margin-bottom:80px;

}

.speaker-title span {
    display:inline-block;
    color:#EB0028;
    font-size:13px;
    letter-spacing:5px;
    text-transform:uppercase;
    margin-bottom:18px;

}

.speaker-title h2 {
    font-size:clamp(42px,5vw,72px);
    font-weight:700;
    line-height:1.1;
}


.speaker-title strong {
    color:#EB0028;
}

  .speaker-slide {
    display: none;
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
  }

  .speaker-slide.active {
    display: block;
    opacity: 1;
  }

  .speaker-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    align-items: flex-start;
  }

  @media (min-width: 992px) {
    .speaker-grid {
      grid-template-columns: 4.5fr 7.5fr;
      gap: 60px;
    }
  }

  .speaker-visual-col {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .speaker-header-mobile {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    margin-bottom: 25px;
  }

  @media (min-width: 992px) {
    .speaker-header-mobile {
      display: none;
    }
  }

  .speaker-header-desktop {
    display: none;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    margin-bottom: 30px;
  }

  @media (min-width: 992px) {
    .speaker-header-desktop {
      display: flex;
    }
  }

  .section-tag {
    font-size: 14px;
    font-weight: 800;
    letter-spacing: 3px;
    color: #eb0028;
    position: relative;
  }

  /* .section-tag::after {
    content: '';
    position: absolute;
    right: -60px;
    top: 50%;
    width: 50px;
    height: 2px;
    background-color: #eb0028;
  } */

  .tedx-logo {
    height: 35px;
    width: auto;
  }

  .speaker-image-wrapper {
    position: relative;
    width: 100%;
    max-width: 380px;
    aspect-ratio: 1 / 1.15;
    border-radius: 20px;
    /* overflow: hidden; */
    /* background: radial-gradient(circle at center, #1a0a0c 0%, #050505 100%);
    box-shadow: 0 0 40px rgba(235, 0, 40, 0.15); */
  }

 .red-x-background {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 105%;
    height: 90%;
    background-image: url("/img/speakers-26/chux.png");
    background-size: cover;
    background-position: center;
    z-index: 1;
    pointer-events: none;

    opacity: .35;
    transition: all .5s ease;
}
/* Lớp phát sáng */
.red-x-background::before{
    content:"";
    position:absolute;
    inset:0;

    background:inherit;
    background-size:cover;
    background-position:center;

    filter:blur(18px);
    opacity:0;

    transition:.5s;
}
.speaker-slide:hover .red-x-background{
    opacity:1;

    transform:
        translate(-50%,-50%)
        scale(1.08);

    filter:
        brightness(0.5)
        saturate(2.5);
}

.speaker-slide:hover .red-x-background::before{
    opacity:.9;

    filter:
        blur(18px)
        brightness(3);

    transform:scale(1.05);
}

  .speaker-photo {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 95%;
    height: 100%;
    object-fit: contain;
    z-index: 2;
  }

  .speaker-name-container {
    margin-bottom: 30px;
  }

  .speaker-title-label {
    font-family: 'Playfair Display', serif;
    font-style: italic;
    font-size: 32px;
    color: #eb0028;
    display: block;
    margin-bottom: -5px;
    margin-bottom: 10px;
  }

  .speaker-name {
    font-size: 36px;
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: 1px;
    text-transform: uppercase;
  }

  .tenhoa{
    font-family: 'Playfair Display', serif;  
    margin-left: 150px;
  }

    @media (max-width: 550px) {
    .tenhoa{ 
      margin-left: 50px !important;
    }
  }
  @media (max-width: 450px) {
    .tenhoa{ 
      margin-left: 0px !important;
    }
  }

  @media (min-width: 768px) {
    .speaker-name {
      font-size: 48px;
    }
  }

  .highlight-red {
    color: #eb0028;
  }

  .card-glass {
        background: rgb(15 15 15 / 50%);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    padding: 20px;
    margin-bottom: 20px;
    display: flex;
    gap: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
    transition: transform 0.3s, border-color 0.3s;
  }

  .card-glass:hover {
    transform: translateY(-2px);
    border-color: rgba(235, 0, 40, 0.4);
  }

  .card-icon {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
  }

  .card-icon svg {
    width: 20px;
    height: 20px;
    fill: #eb0028;
  }

  .card-icon.red-badge {
    background: rgba(235, 0, 40, 0.1);
  }

  .card-content {
    flex-grow: 1;
  }

  .card-content h3 {
    font-size: 14px;
    font-weight: 800;
    letter-spacing: 2px;
    margin: 0 0 10px 0;
    color: #ffffff;
  }

  .card-content p {
    font-size: 14px;
    line-height: 1.6;
    color: #cccccc;
    margin: 0;
  }

  .achievement-list {
    margin: 0;
    padding: 0 0 0 18px;
    list-style-type: disc;
  }

  .achievement-list li {
    font-size: 13.5px;
    line-height: 1.5;
    color: #dddddd;
    /* margin-bottom: 8px; */
  }

  .achievement-list li::marker {
    color: #eb0028;
    font-size: 20px;
  }

  .keywords-and-quote {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    margin-top: 30px;
  }

  @media (min-width: 768px) {
    .keywords-and-quote {
      grid-template-columns: 5fr 7fr;
    }
  }

  .keywords-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 15px;
  }

  .keyword-item {
    display: flex;
    align-items: center;
    gap: 12px;
  }

  .keyword-icon {
    font-size: 20px;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
  }

  .keyword-item h4 {
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 1.5px;
    margin: 0;
  }

  .keyword-item p {
    font-size: 11px;
    color: #aaaaaa;
    margin: 2px 0 0 0;
  }

  .quote-card {
    background: linear-gradient(16deg, #07032575 0%, #070325eb 100%);
    border: 1px solid rgba(235, 0, 40, 0.3);
    border-radius: 16px;
    padding: 25px;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 120px;
    box-shadow: 0 10px 30px rgba(235, 0, 40, 0.05);
  }

  .quote-card p {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 20px;
    line-height: 1.5;
    margin: 0;
    text-align: center;
    position: relative;
    z-index: 2;
  }

  .quote-mark {
    font-family: 'Playfair Display', serif;
    font-size: 60px;
    color: rgba(235, 0, 40, 0.2);
    position: absolute;
    top: 10px;
    left: 40px;
    line-height: 1;
    z-index: 1;
  }

  .quote-mark.close-quote {
    top: auto;
    left: auto;
    bottom: -15px;
    right: 40px;
  }

  .tedx-slider-nav {
    position: absolute;
    bottom: -15px;
    right: 20px;
    display: flex;
    gap: 15px;
    z-index: 10;
  }

  @media (min-width: 992px) {
    .tedx-slider-nav {
      top: 30px;
      bottom: auto;
      right: 0;
    }
  }

  .nav-btn {
    background: rgba(15, 15, 15, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #ffffff;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
  }

  .nav-btn:hover {
    background: #eb0028;
    border-color: #eb0028;
    transform: scale(1.05);
    box-shadow: 0 0 15px rgba(235, 0, 40, 0.4);
  }

  .nav-btn:active {
    transform: scale(0.95);
  }
.speaker-tabs{
    display:flex;
    justify-content:center;
    gap:18px;
    margin-bottom:45px;
    flex-wrap:wrap;
}

.speaker-tab{
    width:130px;
    cursor:pointer;
    transition:.35s;
    opacity:.45;
    text-align:center;
}

.speaker-tab img{
    width:80px;
    height:80px;
    object-fit:cover;
    border-radius:14px;
    border:2px solid transparent;
    transition:.35s;
    border-radius:100px;
        object-position: center top;
}

@media (max-width: 550px) {
    .speaker-tab img{
        width: 60px !important;
        height: 60px !important;
    }
    .speaker-tab{
        width:60px !important;
    }
  }
.speaker-tab span{
    display:block;
    margin-top:10px;
    color:#bbb;
    font-size:14px;
}

.speaker-tab:hover,
.speaker-tab.active{
    opacity:1;
}

.speaker-tab:hover img,
.speaker-tab.active img{
    border-color:#EB0028;
    transform:translateY(-6px);
    box-shadow:
    0 0 25px rgba(235,0,40,.45);
}

.speaker-tab:hover span,
.speaker-tab.active span{
    color:#fff;
}

.reveal{
    opacity:0;
    transform:translateY(60px);
    transition:all .8s ease;
}

.reveal.show{
    opacity:1;
    transform:translateY(0);
}