:root {
      --epp-red: #e31e24;
      --epp-red-hover: #c41419;
      --epp-black: #111111;
      --epp-gray-text: #666666;
      --epp-gray-light: #f5f7fa;
      --epp-gray-border: #e2e8f0;
      --epp-card-bg: #ffffff;
      
      --epp-font-heading: 'Outfit', 'Inter', sans-serif;
      --epp-font-body: 'Inter', sans-serif;
      
      --epp-radius-sm: 8px;
      --epp-radius-md: 12px;
      --epp-radius-lg: 20px;
      --epp-shadow-card: 0 10px 30px rgba(0, 0, 0, 0.08);
      --epp-shadow-hover: 0 20px 40px rgba(227, 30, 36, 0.15);
      --epp-transition: all 0.35s cubic-bezier(0.25, 1, 0.5, 1);
    }

    /* ==========================================================================
       SECTION CONTAINER
       ========================================================================== */
    .epp-video-section {
        max-width: 1580px;
      margin: 0 auto;
      padding: 48px 40px;
    }

    /* ==========================================================================
       UPPER HEADER (EXACT MATCH TO ATTACHED IMAGE)
       ========================================================================== */
    .epp-upper-header {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px 18px;
      margin-bottom: 36px;
      user-select: none;
    }

    /* Header Tab Button */
    .epp-header-tab {
      background: none;
      border: none;
      outline: none;
      font-family: var(--epp-font-heading);
      font-size: clamp(26px, 4vw, 44px);
      font-weight: 800;
      color: var(--epp-black);
      cursor: pointer;
      padding: 4px 8px;
      border-radius: var(--epp-radius-sm);
      transition: var(--epp-transition);
      position: relative;
      letter-spacing: -0.5px;
      display: inline-flex;
      align-items: center;
    }

    .epp-header-tab:hover {
      color: var(--epp-red);
      transform: translateY(-2px);
    }

    /* Active Tab State: Bright Red */
    .epp-header-tab.active {
      color: var(--epp-red);
    }

    .epp-header-tab.active::after {
      content: '';
      position: absolute;
      bottom: -6px;
      left: 8px;
      right: 8px;
      height: 4px;
      background-color: var(--epp-red);
      border-radius: 4px;
      animation: tabExpand 0.3s cubic-bezier(0.25, 1, 0.5, 1) forwards;
    }

    @keyframes tabExpand {
      from { transform: scaleX(0); }
      to { transform: scaleX(1); }
    }

    /* Header Plus Sign Separator */
    .epp-header-plus {
      font-family: var(--epp-font-heading);
      font-size: clamp(24px, 3.5vw, 40px);
      font-weight: 800;
      color: var(--epp-black);
      opacity: 0.85;
      margin: 0 2px;
    }

    /* Subtitle Description */
    .epp-section-subtitle {
      font-size: 1.05rem;
      color: var(--epp-gray-text);
      max-width: 780px;
      margin-bottom: 32px;
      line-height: 1.6;
    }

    /* ==========================================================================
       TAB PANES (16:9 VIDEO CONTAINERS)
       ========================================================================== */
    .epp-tab-pane {
      display: none;
      opacity: 0;
      transform: translateY(16px);
      transition: opacity 0.4s ease, transform 0.4s ease;
    }

    .epp-tab-pane.active {
      display: block;
      opacity: 1;
      transform: translateY(0);
    }

    /* ==========================================================================
       FEATURED 16:9 HERO VIDEO CARD
       ========================================================================== */
    .epp-hero-video-box {
      display: grid;
      /* grid-template-columns: 1.4fr 1fr; */
      gap: 32px;
      background: #0f172a;
      color: #ffffff;
      border-radius: var(--epp-radius-md);
      overflow: hidden;
      margin-bottom: 40px;
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    }

    /* 16:9 Widescreen Aspect Ratio Wrapper */
    .epp-video-ratio-16-9 {
      position: relative;
      width: 100%;
      aspect-ratio: 16 / 9; /* STRICT 16:9 RATIO */
      background: #000000;
      overflow: hidden;
      border-radius: var(--epp-radius-md) 0 0 var(--epp-radius-md);
    }

    .epp-video-ratio-16-9 img,
    .epp-video-ratio-16-9 video {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      transition: transform 0.5s ease;
    }

    .epp-hero-video-box:hover .epp-video-ratio-16-9 img {
      transform: scale(1.04);
    }

    /* Video Overlay & Play Button */
    .epp-video-overlay {
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(0, 0, 0, 0.1) 0%, rgba(0, 0, 0, 0.65) 100%);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
    }

    .epp-play-btn-lg {
      width: 72px;
      height: 72px;
      background: var(--epp-red);
      color: #ffffff;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 0 0 10px rgba(227, 30, 36, 0.3);
      transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    }

    .epp-video-overlay:hover .epp-play-btn-lg {
      transform: scale(1.12);
      box-shadow: 0 0 0 16px rgba(227, 30, 36, 0.4);
      background: #ff1e27;
    }

    .epp-play-btn-lg svg {
      width: 28px;
      height: 28px;
      fill: currentColor;
      margin-left: 4px;
    }

    /* Video Duration Badge */
    .epp-duration-badge {
      position: absolute;
      bottom: 16px;
      right: 16px;
      background: rgba(0, 0, 0, 0.8);
      backdrop-filter: blur(8px);
      color: #ffffff;
      font-size: 0.8rem;
      font-weight: 600;
      padding: 4px 10px;
      border-radius: 4px;
      letter-spacing: 0.5px;
    }

    /* Hero Info Content */
    .epp-hero-info {
      padding: 36px 36px 36px 8px;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }

    .epp-category-tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: rgba(227, 30, 36, 0.15);
      color: #ff4d4d;
      font-size: 0.75rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 1.5px;
      padding: 6px 14px;
      border-radius: 50px;
      width: fit-content;
      margin-bottom: 16px;
      border: 1px solid rgba(227, 30, 36, 0.3);
    }

    .epp-hero-title {
      font-family: var(--epp-font-heading);
      font-size: clamp(1.4rem, 2vw, 1.85rem);
      font-weight: 700;
      color: #ffffff;
      line-height: 1.3;
      margin-bottom: 14px;
    }

    .epp-hero-quote {
      font-size: 0.95rem;
      color: #94a3b8;
      line-height: 1.6;
      margin-bottom: 24px;
      font-style: italic;
    }

    /* Speaker Profile Header */
    .epp-speaker-meta {
      display: flex;
      align-items: center;
      gap: 14px;
    }

    .epp-speaker-avatar {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      object-fit: cover;
      border: 2px solid var(--epp-red);
    }

    .epp-speaker-name {
      font-weight: 700;
      font-size: 1rem;
      color: #ffffff;
    }

    .epp-speaker-role {
      font-size: 0.82rem;
      color: #cbd5e1;
    }

    /* ==========================================================================
       16:9 VIDEO GRID CARDS
       ========================================================================== */
    .epp-grid-title-bar {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 24px;
    }

    .epp-grid-title {
      font-family: var(--epp-font-heading);
      font-size: 1.4rem;
      font-weight: 700;
      color: var(--epp-black);
    }

    .epp-video-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
      gap: 28px;
    }

    /* 16:9 Personal Video Card */
    .epp-video-card {
      background: var(--epp-card-bg);
      border-radius: var(--epp-radius-md);
      overflow: hidden;
      border: 1px solid var(--epp-gray-border);
      transition: var(--epp-transition);
      cursor: pointer;
      display: flex;
      flex-direction: column;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.03);
    }

    .epp-video-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--epp-shadow-hover);
      border-color: rgba(227, 30, 36, 0.4);
    }

    /* Card Thumbnail 16:9 Ratio */
    .epp-card-thumb-16-9 {
      position: relative;
      width: 100%;
      aspect-ratio: 16 / 9; /* 16:9 RATIO */
      background: #1e293b;
      overflow: hidden;
    }

    .epp-card-thumb-16-9 img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }

    .epp-video-card:hover .epp-card-thumb-16-9 img {
      transform: scale(1.06);
    }

    .epp-card-play-btn {
      width: 46px;
      height: 46px;
      background: rgba(227, 30, 36, 0.9);
      color: #ffffff;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: var(--epp-transition);
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    }

    .epp-video-card:hover .epp-card-play-btn {
      background: var(--epp-red);
      transform: scale(1.15);
    }

    .epp-card-play-btn svg {
      width: 18px;
      height: 18px;
      fill: currentColor;
      margin-left: 2px;
    }

    /* Card Body */
    .epp-card-body {
      padding: 20px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }

    .epp-card-speaker {
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 12px;
    }

    .epp-card-avatar {
      width: 36px;
      height: 36px;
      border-radius: 50%;
      object-fit: cover;
    }

    .epp-card-speaker-name {
      font-size: 0.88rem;
      font-weight: 700;
      color: var(--epp-black);
      line-height: 1.2;
    }

    .epp-card-speaker-role {
      font-size: 0.75rem;
      color: var(--epp-gray-text);
    }

    .epp-card-title {
      font-family: var(--epp-font-heading);
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--epp-black);
      line-height: 1.35;
      margin-bottom: 10px;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    .epp-card-footer {
      margin-top: auto;
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding-top: 12px;
      border-top: 1px solid var(--epp-gray-light);
      font-size: 0.8rem;
      color: var(--epp-gray-text);
    }

    .epp-card-watch-link {
      font-weight: 700;
      color: var(--epp-red);
      display: flex;
      align-items: center;
      gap: 4px;
    }

    .epp-video-card:hover .epp-card-watch-link {
      text-decoration: underline;
    }

    /* ==========================================================================
       MODAL VIDEO PLAYER (FULLSCREEN 16:9 ENHANCED)
       ========================================================================== */
    .epp-video-modal {
      position: fixed;
      inset: 0;
      background: rgba(11, 15, 23, 0.92);
      backdrop-filter: blur(12px);
      z-index: 99999;
      display: flex;
      align-items: center;
      justify-content: center;
      opacity: 0;
      pointer-events: none;
      transition: opacity 0.35s ease;
      padding: 24px;
    }

    .epp-video-modal.open {
      opacity: 1;
      pointer-events: auto;
    }

    .epp-modal-content {
      width: 100%;
      max-width: 1000px;
      background: #000000;
      border-radius: var(--epp-radius-md);
      overflow: hidden;
      box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
      position: relative;
      transform: scale(0.92);
      transition: transform 0.35s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    }

    .epp-video-modal.open .epp-modal-content {
      transform: scale(1);
    }

    /* 16:9 Modal Video Area */
    .epp-modal-video-container {
      width: 100%;
      aspect-ratio: 16 / 9;
      background: #000000;
      position: relative;
    }

    .epp-modal-video-container video {
      width: 100%;
      height: 100%;
      object-fit: contain;
    }

    .epp-modal-close {
      position: absolute;
      top: 16px;
      right: 16px;
      width: 40px;
      height: 40px;
      background: rgba(255, 255, 255, 0.2);
      color: #ffffff;
      border: none;
      border-radius: 50%;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.5rem;
      z-index: 10;
      transition: background 0.2s;
    }

    .epp-modal-close:hover {
      background: var(--epp-red);
    }

    .epp-modal-info {
      padding: 20px 24px;
      background: #0f172a;
      color: #ffffff;
    }

    .epp-modal-title {
      font-family: var(--epp-font-heading);
      font-size: 1.3rem;
      font-weight: 700;
      margin-bottom: 6px;
    }

    .epp-modal-desc {
      font-size: 0.9rem;
      color: #94a3b8;
    }

    /* ==========================================================================
       RESPONSIVE DESIGN
       ========================================================================== */
    @media (max-width: 992px) {
      .epp-hero-video-box {
        grid-template-columns: 1fr;
      }
      .epp-video-ratio-16-9 {
        border-radius: var(--epp-radius-md) var(--epp-radius-md) 0 0;
      }
      .epp-hero-info {
        padding: 24px;
      }
    }

    @media (max-width: 640px) {
      .epp-video-section {
        padding: 28px 18px;
      }
      .epp-upper-header {
        gap: 8px 12px;
      }
      .epp-header-tab {
        font-size: 24px;
      }
      .epp-header-plus {
        font-size: 22px;
      }
      .epp-video-grid {
        grid-template-columns: 1fr;
      }
    }