/* === Refined Premium Tech Color Token System === */
    :root {
      --cyber-bg: #050B18;
      --cyber-surface: #0A1329;
      --cyber-card-bg: rgba(13, 25, 48, 0.78);
      --cyber-border: rgba(56, 189, 248, 0.24);
      --cyber-border-glow: rgba(56, 189, 248, 0.65);
      --neon-cyan: #38BDF8;
      --quantum-blue: #2563EB;
      --electric-blue: #4F46E5;
      --text-white: #F8FAFC;
      --text-slate: #94A3B8;
      --font-title: 'Outfit', 'Space Grotesk', sans-serif;
      --font-main: 'Outfit', 'Inter', sans-serif;
      --font-hud: 'Outfit', sans-serif;
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    html {
      scroll-behavior: smooth;
      overflow-x: clip;
      max-width: 100%;
    }

    body {
      background-color: var(--cyber-bg);
      color: var(--text-white);
      font-family: var(--font-title);
      line-height: 1.65;
      font-size: 16px;
      overflow-x: clip;
      width: 100%;
      max-width: 100%;
      position: relative;
    }

    main {
      width: 100%;
      max-width: 100%;
      position: relative;
    }

    /* === Global Link & Mobile Tap Reset === */
    a, a:visited, a:hover, a:active, a:focus {
      text-decoration: none;
      color: inherit;
      -webkit-tap-highlight-color: transparent;
    }
    a[href^="tel"], a[href^="mailto"], a[href^="sms"] {
      color: inherit !important;
      text-decoration: none !important;
    }

    /* === Custom Pointer === */
    .cursor-dot, .cursor-ring {
      opacity: 0;
      pointer-events: none;
      transition: opacity 0.3s ease, width 0.2s, height 0.2s, border-color 0.2s;
    }
    .cursor-dot.is-active, .cursor-ring.is-active {
      opacity: 1;
    }
    .cursor-dot {
      width: 8px; height: 8px; background: var(--neon-cyan);
      position: fixed; top: 0; left: 0; border-radius: 50%;
      pointer-events: none; z-index: 9999; transform: translate(-50%, -50%);
      box-shadow: 0 0 10px var(--neon-cyan);
    }
    .cursor-ring {
      width: 36px; height: 36px; border: 1.5px solid var(--quantum-blue);
      position: fixed; top: 0; left: 0; border-radius: 50%;
      pointer-events: none; z-index: 9998; transform: translate(-50%, -50%);
    }

    /* Completely hide custom cursor on touch/mobile devices */
    @media (hover: none), (pointer: coarse), (max-width: 1024px) {
      .cursor-dot, .cursor-ring {
        display: none !important;
        opacity: 0 !important;
        visibility: hidden !important;
      }
    }

    /* === Brand Entrance Preloader === */
    .site-preloader {
      position: fixed; inset: 0; background: var(--cyber-bg);
      z-index: 99999; display: flex; align-items: center; justify-content: center;
      transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.8s;
    }
    .site-preloader.fade-out {
      opacity: 0; visibility: hidden; pointer-events: none;
    }
    .preloader-content {
      text-align: center; display: flex; flex-direction: column; align-items: center; gap: 20px;
    }
    .preloader-logo {
      height: 44px; width: auto; filter: brightness(0) invert(1);
      animation: preloaderPulse 2s ease-in-out infinite alternate;
    }
    .preloader-bar-stage {
      width: 220px; height: 3.5px; background: rgba(255, 255, 255, 0.12);
      border-radius: 4px; overflow: hidden; position: relative;
    }
    .preloader-bar-fill {
      height: 100%; width: 0%; background: linear-gradient(90deg, var(--neon-cyan), var(--quantum-blue));
      border-radius: 4px; transition: width 0.4s ease;
    }
    .preloader-text {
      font-family: var(--font-hud); font-size: 11px; letter-spacing: 3px;
      color: var(--text-slate); text-transform: uppercase;
    }
    @keyframes preloaderPulse {
      0% { transform: scale(0.98); opacity: 0.85; }
      100% { transform: scale(1.03); opacity: 1; filter: brightness(0) invert(1) drop-shadow(0 0 15px rgba(0, 242, 254, 0.6)); }
    }

    /* === Header & Sticky Navigation Bar === */
    header {
      position: sticky; top: 0; left: 0; width: 100%; z-index: 1000;
      background: rgba(3, 7, 18, 0.85); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
      border-bottom: 1px solid var(--cyber-border);
      box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
    }
    .nav-container {
      padding: 0 6%; height: 68px; display: flex; align-items: center; justify-content: space-between;
    }
    .brand-logo-img { height: 36px; width: auto; display: block; object-fit: contain; filter: brightness(0) invert(1); }
    
    .nav-links {
      display: flex; align-items: center; gap: 32px; list-style: none;
    }
    .nav-links a {
      font-family: var(--font-hud); font-size: 13.5px; font-weight: 600; letter-spacing: 0.5px;
      color: var(--text-slate); text-decoration: none; text-transform: uppercase;
      transition: color 0.3s ease;
    }
    .nav-links a:hover { color: var(--neon-cyan); }

    .nav-actions { display: flex; align-items: center; gap: 16px; position: relative; z-index: 1002; }
    .btn-lang {
      background: rgba(0, 242, 254, 0.08); border: 1px solid var(--cyber-border);
      color: var(--neon-cyan); font-family: var(--font-hud); font-size: 13px; font-weight: 400;
      padding: 8px 18px; border-radius: 4px; cursor: pointer; transition: all 0.3s ease;
      outline: none; user-select: none; display: inline-flex; align-items: center; justify-content: center;
    }
    .btn-lang:hover {
      background: var(--neon-cyan); color: var(--cyber-bg);
      box-shadow: 0 0 16px rgba(0, 242, 254, 0.4);
    }

    /* Hamburger Menu Button */
    .hamburger {
      display: none; flex-direction: column; gap: 5px; cursor: pointer; z-index: 1001;
    }
    .hamburger-line {
      width: 26px; height: 2px; background: var(--neon-cyan); transition: all 0.3s ease;
    }
    .hamburger.active .line-1 { transform: translateY(7px) rotate(45deg); }
    .hamburger.active .line-2 { opacity: 0; }
    .hamburger.active .line-3 { transform: translateY(-7px) rotate(-45deg); }

    .hamburger-overlay {
      position: fixed; inset: 0; background: rgba(3, 7, 18, 0.96); backdrop-filter: blur(25px);
      -webkit-backdrop-filter: blur(25px);
      z-index: 9999; display: flex; align-items: center; justify-content: center;
      opacity: 0; visibility: hidden; transition: all 0.4s ease;
    }
    .hamburger-overlay.active { opacity: 1; visibility: visible; }
    body.menu-open { overflow: hidden; }

    /* Mobile Menu Dedicated Close Button */
    .menu-close-btn {
      position: absolute; top: 22px; right: 20px;
      width: 44px; height: 44px;
      background: rgba(255, 255, 255, 0.08); border: 1px solid var(--cyber-border);
      border-radius: 50%; display: flex; align-items: center; justify-content: center;
      color: #FFFFFF; cursor: pointer; transition: all 0.3s ease;
      z-index: 10005; padding: 0;
    }
    .menu-close-btn:hover {
      background: var(--neon-cyan); color: var(--cyber-bg);
      border-color: var(--neon-cyan); transform: rotate(90deg);
    }
    .nav-menu-list { list-style: none; text-align: center; display: flex; flex-direction: column; gap: 24px; }
    .nav-menu-link {
      font-size: 22px; font-family: var(--font-hud); color: #FFFFFF; text-decoration: none;
      transition: color 0.3s;
    }
    .nav-menu-link:hover { color: var(--neon-cyan); }

    /* === Hero Stage (#home) - LAYOUT 15 SIGNATURE: Full-Bleed Video Background + Top/Bottom Mask Overlays === */
    .hero-stage {
      position: relative; min-height: calc(100vh - 68px); padding: 80px 6% 40px 6%;
      display: flex; flex-direction: column; justify-content: space-between; align-items: center;
      overflow: hidden; background: var(--cyber-bg);
    }

    /* Layout 15 Full-Bleed Video Background & Radial Overlay */
    .hero-stage video.hero-video-bg {
      position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
      opacity: 0.50; z-index: 1; filter: contrast(1.1) brightness(0.85);
    }
    .hero-video-overlay {
      position: absolute; inset: 0; z-index: 2;
      background: radial-gradient(circle at 50% 50%, rgba(4, 9, 20, 0.18) 0%, rgba(4, 9, 20, 0.43) 85%);
      pointer-events: none;
    }

    /* Top & Bottom Gradient Fade Masks */
    .hero-mask-top {
      position: absolute; top: 0; left: 0; right: 0; height: 140px; z-index: 3;
      background: linear-gradient(180deg, var(--cyber-bg) 0%, transparent 100%);
      pointer-events: none;
    }
    .hero-mask-bottom {
      position: absolute; bottom: 0; left: 0; right: 0; height: 140px; z-index: 3;
      background: linear-gradient(0deg, var(--cyber-bg) 0%, transparent 100%);
      pointer-events: none;
    }

    /* Layout 15 Hero Content Container */
    .hero-layout15-content-wrapper {
      position: relative; z-index: 4; display: flex; flex-direction: column;
      align-items: center; justify-content: center; text-align: center;
      max-width: 960px; margin: auto; width: 100%; padding: 40px 0;
    }
    .hero-tagline-italic {
      font-family: var(--font-hud); font-size: 13.5px; letter-spacing: 2.5px;
      color: var(--neon-cyan); text-transform: uppercase; margin-bottom: 20px;
      display: inline-block; padding: 6px 14px; background: rgba(0, 242, 254, 0.08);
      border: 1px solid var(--cyber-border); border-radius: 4px;
    }
    .hero-title-quantum {
      font-family: var(--font-title);
      font-size: clamp(36px, 4.8vw, 56px); font-weight: 700; color: #FFFFFF;
      line-height: 1.2; margin-bottom: 28px; letter-spacing: 0.5px; text-align: center;
    }
    .hero-title-quantum span {
      background: linear-gradient(135deg, var(--neon-cyan) 0%, var(--quantum-blue) 100%);
      -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    }
    .hero-desc-p {
      font-size: 17px; color: var(--text-slate); line-height: 1.75; margin-bottom: 40px; max-width: 760px; text-align: center;
    }
    .hero-cta-wrapper { display: flex; gap: 20px; align-items: center; justify-content: center; flex-wrap: wrap; }

    /* Hero Entrance Animation (plays after preloader fades out) */
    .hero-layout15-content-wrapper .hero-tagline-italic,
    .hero-layout15-content-wrapper .hero-title-quantum,
    .hero-layout15-content-wrapper .hero-desc-p,
    .hero-layout15-content-wrapper .hero-cta-wrapper {
      opacity: 0; transform: translateY(42px) scale(0.96);
      transition: opacity 0.6s ease-in, transform 1.1s cubic-bezier(0.34, 1.56, 0.64, 1);
    }
    .hero-layout15-content-wrapper.hero-entrance-play .hero-tagline-italic { transition-delay: 0.1s; }
    .hero-layout15-content-wrapper.hero-entrance-play .hero-title-quantum { transition-delay: 0.22s; }
    .hero-layout15-content-wrapper.hero-entrance-play .hero-desc-p { transition-delay: 0.36s; }
    .hero-layout15-content-wrapper.hero-entrance-play .hero-cta-wrapper { transition-delay: 0.48s; }
    .hero-layout15-content-wrapper.hero-entrance-play .hero-tagline-italic,
    .hero-layout15-content-wrapper.hero-entrance-play .hero-title-quantum,
    .hero-layout15-content-wrapper.hero-entrance-play .hero-desc-p,
    .hero-layout15-content-wrapper.hero-entrance-play .hero-cta-wrapper {
      opacity: 1; transform: translateY(0) scale(1);
    }
    .btn-pill-cta {
      display: inline-flex; align-items: center; justify-content: center;
      background: linear-gradient(135deg, var(--neon-cyan) 0%, var(--quantum-blue) 100%);
      color: var(--cyber-bg); padding: 16px 38px; border-radius: 4px; font-weight: 400;
      font-size: 15px; font-family: var(--font-title); text-decoration: none; box-shadow: 0 0 25px rgba(0, 242, 254, 0.35);
      transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .btn-pill-cta:hover {
      transform: translateY(-3px); box-shadow: 0 0 35px rgba(0, 242, 254, 0.6);
    }
    .btn-pill-secondary {
      display: inline-flex; align-items: center; justify-content: center;
      background: rgba(255, 255, 255, 0.05); border: 1px solid var(--cyber-border);
      color: #FFFFFF; padding: 16px 38px; border-radius: 4px; font-weight: 400;
      font-size: 15px; font-family: var(--font-title); text-decoration: none; transition: all 0.3s ease;
    }
    .btn-pill-secondary:hover {
      background: rgba(0, 242, 254, 0.12); border-color: var(--neon-cyan); color: var(--neon-cyan);
    }

    .hero-right-visual {
      position: relative; display: flex; align-items: center; justify-content: center;
    }
    .hero-right-visual img {
      width: 100%; max-width: 600px; height: auto; object-fit: contain;
      filter: drop-shadow(0 0 45px rgba(0, 242, 254, 0.3));
      animation: gentleFloat 6s ease-in-out infinite alternate;
    }
    @keyframes gentleFloat {
      0% { transform: translateY(0px); }
      100% { transform: translateY(-16px); }
    }

    .hero-marquee-bar {
      position: relative; z-index: 4; width: 100%;
      background: rgba(10, 19, 41, 0.88);
      border-top: 1px solid var(--cyber-border);
      border-bottom: 1px solid var(--cyber-border);
      padding: 12px 0; overflow: hidden; backdrop-filter: blur(10px);
      transform: rotate(-2deg);
    }
    .marquee-track {
      display: flex; gap: 40px; white-space: nowrap; animation: marqueeScroll 25s linear infinite;
    }
    .marquee-item {
      display: flex; align-items: center; gap: 12px; font-family: var(--font-hud);
      font-size: 16px; letter-spacing: 2px; color: var(--neon-cyan); text-transform: uppercase;
    }
    .marquee-dot { width: 6px; height: 6px; background: var(--quantum-blue); border-radius: 50%; }
    @keyframes marqueeScroll {
      0% { transform: translateX(0); }
      100% { transform: translateX(-50%); }
    }

    /* === Section Container & Common Utilities === */
    .section-padding { padding: 90px 6%; position: relative; }
    .section-subtitle {
      font-family: var(--font-hud); font-size: 13px; font-weight: 800;
      color: var(--neon-cyan); letter-spacing: 3px; text-transform: uppercase; margin-bottom: 12px;
      text-align: center;
    }
    .section-title {
      font-family: var(--font-title);
      font-size: clamp(26px, 3.2vw, 38px); font-weight: 700; color: #FFFFFF; line-height: 1.25; letter-spacing: 0.5px;
      text-align: center;
    }
    .section-title span {
      background: linear-gradient(135deg, var(--neon-cyan) 0%, var(--quantum-blue) 100%);
      -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    }
    .container { max-width: 1300px; margin: 0 auto; width: 100%; }

    /* === Section 2: PRODUCTS Showcase - REDESIGNED: Tab Switching + Video === */
    .products-redesign-container {
      display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 44px; align-items: center; margin-top: 40px;
    }
    .product-tabs-wrapper { display: flex; flex-direction: column; gap: 16px; }
    .product-tab-btn {
      background: var(--cyber-card-bg); border: 1px solid var(--cyber-border);
      border-radius: 4px; padding: 20px 24px; text-align: left; cursor: pointer;
      transition: all 0.35s ease; position: relative; overflow: hidden;
    }
    .product-tab-btn::before {
      content: ''; position: absolute; top: 0; left: 0; width: 4px; height: 100%;
      background: transparent; transition: background 0.3s;
    }
    .product-tab-btn.active {
      background: rgba(0, 242, 254, 0.1); border-color: var(--neon-cyan);
      box-shadow: 0 10px 30px rgba(0, 242, 254, 0.15);
    }
    .product-tab-btn.active::before { background: var(--neon-cyan); }
    .product-tab-category {
      font-family: var(--font-hud); font-size: 11px; font-weight: 800;
      color: var(--neon-cyan); letter-spacing: 2px; text-transform: uppercase; margin-bottom: 6px;
    }
    .product-tab-title { font-size: 18px; font-weight: 800; color: #FFFFFF; margin-bottom: 6px; }
    .product-tab-desc { font-size: 13.5px; color: var(--text-slate); line-height: 1.5; }

    .product-video-stage {
      position: relative; border-radius: 4px; overflow: hidden;
      border: 1px solid var(--cyber-border); box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
      background: #000; height: 440px; display: flex; align-items: center; justify-content: center;
    }
    .product-display-video {
      width: 100%; height: 100%; object-fit: cover; opacity: 0.85; filter: contrast(1.05);
    }
    .product-display-overlay {
      position: absolute; inset: 0;
      background: linear-gradient(180deg, rgba(3,7,18,0.2) 0%, rgba(3,7,18,0.85) 100%);
      pointer-events: none;
    }
    .product-active-info-box {
      position: absolute; bottom: 30px; left: 30px; right: 30px; z-index: 2;
    }
    .product-active-badge {
      display: inline-block; font-family: var(--font-hud); font-size: 11px; font-weight: 800;
      color: var(--cyber-bg); background: var(--neon-cyan); padding: 4px 12px; border-radius: 4px;
      letter-spacing: 1.5px; text-transform: uppercase; margin-bottom: 8px;
    }
    .product-active-title { font-size: 22px; font-weight: 800; color: #FFFFFF; }

    /* === FULL-BLEED AMBIENT HERO BANNER (滿版情境區塊) === */
    .about-fullbleed-hero {
      position: relative;
      width: 100vw;
      left: 50%;
      right: 50%;
      margin-left: -50vw;
      margin-right: -50vw;
      height: 540px;
      margin-bottom: 60px;
      overflow: hidden;
      display: flex;
      align-items: center;
      justify-content: center;
      text-align: center;
    }
    .about-fullbleed-bg {
      position: absolute;
      top: 0; left: 0; width: 100%; height: 100%;
      background: url('../img/refinelab_holographic_3d_microprocessor.webp') center/cover no-repeat;
      transform: scale(1.25);
      opacity: 0;
      filter: blur(10px);
      transition: transform 1.8s cubic-bezier(0.16, 1, 0.3, 1), opacity 1.4s ease, filter 1.4s ease;
      z-index: 1;
    }
    .about-fullbleed-hero.revealed .about-fullbleed-bg,
    .about-fullbleed-hero.is-visible .about-fullbleed-bg,
    .about-fullbleed-hero.scroll-active .about-fullbleed-bg {
      transform: scale(1.03);
      opacity: 1;
      filter: blur(0px);
    }
    .about-fullbleed-hero:hover.revealed .about-fullbleed-bg,
    .about-fullbleed-hero:hover.is-visible .about-fullbleed-bg {
      transform: scale(1.0);
    }
    .about-fullbleed-overlay {
      position: absolute;
      top: 0; left: 0; width: 100%; height: 100%;
      background: radial-gradient(circle at center, rgba(4, 9, 20, 0.6) 0%, rgba(4, 9, 20, 0.92) 85%);
      z-index: 2;
    }
    .about-fullbleed-content {
      position: relative;
      z-index: 3;
      max-width: 1050px;
      padding: 0 6%;
      display: flex;
      flex-direction: column;
      align-items: center;
      opacity: 0;
      transform: translateY(40px);
      transition: opacity 1.2s cubic-bezier(0.16, 1, 0.3, 1) 0.3s, transform 1.2s cubic-bezier(0.16, 1, 0.3, 1) 0.3s;
    }
    .about-fullbleed-hero.revealed .about-fullbleed-content,
    .about-fullbleed-hero.is-visible .about-fullbleed-content,
    .about-fullbleed-hero.scroll-active .about-fullbleed-content {
      opacity: 1;
      transform: translateY(0);
    }
    .about-fullbleed-tag {
      font-family: var(--font-hud);
      font-size: 13px;
      font-weight: 700;
      color: var(--neon-cyan);
      letter-spacing: 3px;
      padding: 6px 20px;
      background: rgba(0, 242, 254, 0.1);
      border: 1px solid rgba(0, 242, 254, 0.35);
      border-radius: 4px;
      margin-bottom: 20px;
      box-shadow: 0 0 20px rgba(0, 242, 254, 0.2);
    }
    .about-fullbleed-title {
      font-family: var(--font-title);
      font-size: clamp(30px, 4.2vw, 52px);
      font-weight: 800;
      color: #FFFFFF;
      line-height: 1.25;
      letter-spacing: -0.01em;
      text-shadow: 0 10px 30px rgba(0, 0, 0, 0.9), 0 0 40px rgba(0, 242, 254, 0.25);
      margin-bottom: 18px;
    }
    .about-fullbleed-title span {
      background: linear-gradient(135deg, var(--neon-cyan) 0%, var(--quantum-blue) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .about-fullbleed-sub {
      font-size: 16.5px;
      color: var(--text-slate);
      max-width: 760px;
      line-height: 1.7;
    }

    /* === Sections with section-subtitle (ABOUT, STRENGTHS, CULTURE) === */
    #about {
      background: var(--cyber-card-bg);
      position: relative;
    }
    #about {
      margin-top: 100px;
    }
    .about-curved-top-divider {
      position: absolute;
      top: -72px;
      left: 0;
      width: 100%;
      height: 72px;
      overflow: hidden;
      line-height: 0;
      pointer-events: none;
      z-index: 3;
    }
    .about-curved-top-divider svg {
      position: relative;
      display: block;
      width: 100%;
      height: 72px;
    }
    .layout5-about-split {
      display: grid; grid-template-columns: 0.95fr 1.05fr; gap: 48px; align-items: center;
    }
    @media (max-width: 1024px) {
      .layout5-about-split { grid-template-columns: 1fr; gap: 36px; }
    }

    .layout5-about-visual-col {
      position: relative; display: flex; align-items: center; justify-content: center;
    }
    .layout5-about-image-card {
      position: relative; width: 100%; max-width: 640px; overflow: hidden;
      display: flex; flex-direction: column; align-items: center; justify-content: center;
    }
    .layout5-about-image-card img {
      width: 100%; height: auto; object-fit: contain;
      animation: gentleFloat 6s ease-in-out infinite alternate;
    }

    .layout5-about-text-col { display: flex; flex-direction: column; gap: 16px; }
    .layout5-about-text-col .section-title,
    .layout5-about-text-col .section-subtitle { text-align: left; }
    .about-desc-p { font-size: 16px; color: var(--text-slate); line-height: 1.75; margin-bottom: 8px; }

    .layout5-stats-dock {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 0;
      margin-top: 24px;
      width: 100%;
      border-radius: 4px;
      padding: 16px 12px;
    }

    .layout5-stat-item {
      background: transparent;
      border: none;
      border-radius: 0;
      padding: 16px 14px;
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
      gap: 4px;
      position: relative;
    }

    .layout5-stat-item:nth-child(1),
    .layout5-stat-item:nth-child(3) {
      border-right: 1px solid var(--cyber-border);
    }
    .layout5-stat-item:nth-child(1),
    .layout5-stat-item:nth-child(2) {
      border-bottom: 1px solid var(--cyber-border);
    }

    .layout5-stat-number {
      font-family: var(--font-hud);
      font-size: 38px;
      font-weight: 800;
      color: #FFFFFF;
      background: linear-gradient(135deg, var(--neon-cyan) 0%, var(--quantum-blue) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .layout5-stat-label {
      font-size: 12.5px;
      color: var(--text-slate);
      font-weight: 500;
    }

    @media (max-width: 640px) {
      .layout5-stats-dock {
        grid-template-columns: 1fr;
        padding: 12px 8px;
      }
      .layout5-stat-item {
        border-right: none !important;
        padding: 14px;
      }
      .layout5-stat-item:not(:last-child) {
        border-bottom: 1px solid var(--cyber-border);
      }
    }

    /* === Section 4: BRAND FEATURES - REDESIGNED: 3x2 Bento Grid (No Overflow) === */
    .bf-bento-grid {
      display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 44px;
      position: relative;
    }
    .bf-bento-card {
      background: var(--cyber-card-bg); border: 1px solid var(--cyber-border);
      border-radius: 4px; padding: 32px 26px; display: flex; flex-direction: column;
      gap: 16px; transition: all 0.4s ease; position: relative; overflow: hidden;
      backdrop-filter: blur(16px);
    }
    .bf-bento-card::after {
      content: ''; position: absolute; inset: 0;
      background: radial-gradient(circle at top right, rgba(0, 242, 254, 0.12), transparent 70%);
      opacity: 0; transition: opacity 0.4s; pointer-events: none;
    }
    .bf-bento-card:hover {
      border-color: var(--neon-cyan); transform: translateY(-8px);
      box-shadow: 0 16px 40px rgba(0, 242, 254, 0.25);
    }
    .bf-bento-card:hover::after { opacity: 1; }
    .bf-bento-icon-wrapper {
      width: 64px; height: 64px;
      display: flex; align-items: center; justify-content: center;
    }
    .bf-bento-icon { width: 34px; height: 34px; object-fit: contain; }
    .bf-bento-title { font-size: 18px; font-weight: 800; color: #FFFFFF; line-height: 1.35; }
    .bf-bento-desc { font-size: 14px; color: var(--text-slate); line-height: 1.25; }
    .bf-bento-num {
      position: absolute; top: 24px; right: 26px; font-family: var(--font-hud);
      font-size: 14px; font-weight: 800; color: rgba(255, 255, 255, 0.2);
    }

    /* === Layout 11 Asymmetrical Split Layout for Brand Features (#products) === */
    #products {
      position: relative;
      background: #040914 url('../img/refinelab_brand_feature_data_stream_bg.webp') center/cover no-repeat !important;
    }
    #products::before {
      content: ''; position: absolute; inset: 0;
      background: linear-gradient(180deg, rgba(4, 9, 20, 0.88) 0%, rgba(4, 9, 20, 0.65) 50%, rgba(4, 9, 20, 0.92) 100%);
      pointer-events: none; z-index: 1;
    }
    #products .container { position: relative; z-index: 2; }

    .layout11-features-wrapper {
      display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 40px; align-items: start; margin-top: 36px;
    }
    @media (max-width: 1024px) {
      .layout11-features-wrapper { grid-template-columns: 1fr; }
    }

    .layout11-features-list { display: flex; flex-direction: column; gap: 18px; }
    .layout11-feature-card {
      background: var(--cyber-card-bg); border: 1px solid var(--cyber-border);
      border-radius: 4px; padding: 24px 26px; display: flex; gap: 20px; align-items: flex-start;
      position: relative; overflow: hidden; backdrop-filter: blur(16px);
      opacity: 0; transform: translateY(32px);
      transition: opacity 0.65s cubic-bezier(0.16, 1, 0.3, 1), transform 0.65s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.3s ease, box-shadow 0.3s ease;
      will-change: transform, opacity;
    }
    .layout11-feature-card.is-visible {
      opacity: 1; transform: translateY(0);
    }
    .layout11-feature-card:hover {
      border-color: var(--neon-cyan);
      transform: translateY(-4px);
      box-shadow: 0 12px 30px rgba(0, 242, 254, 0.18);
    }
    .layout11-card-content { display: flex; flex-direction: column; gap: 6px; flex: 1; }
    .layout11-card-header { display: flex; align-items: center; gap: 12px; }
    .layout11-card-title { font-size: 17.5px; font-weight: 700; color: #FFFFFF; line-height: 1.35; }

    /* Desktop Layout for Brand Features (Stacked Cards) */
    @media (min-width: 769px) {
      .bfFeaturesSwiper {
        overflow: visible !important;
      }
      .bfFeaturesSwiper .layout11-features-track {
        display: flex !important;
        flex-direction: column !important;
        gap: 18px !important;
        transform: none !important;
        width: auto !important;
        height: auto !important;
      }
      .bfFeaturesSwiper .layout11-feature-slide {
        width: 100% !important;
        height: auto !important;
      }
      .bf-swiper-pagination {
        display: none !important;
      }
    }

    /* Mobile Layout for Brand Features: Slider, Icon on Top, Max Card Width 340px */
    @media (max-width: 768px) {
      .layout11-features-wrapper {
        display: flex;
        flex-direction: column;
        gap: 0 !important;
        margin-top: 20px !important;
      }
      .bfFeaturesSwiper {
        width: 100%;
        padding: 4px 0 0 0 !important;
        margin: 0 !important;
        overflow: hidden;
      }
      .bfFeaturesSwiper .layout11-features-track {
        display: flex;
        align-items: stretch !important;
      }
      .layout11-feature-slide {
        width: 100% !important;
        max-width: 340px !important;
        height: auto !important;
        display: flex !important;
        flex-direction: column !important;
        justify-content: stretch !important;
        box-sizing: border-box;
      }
      .layout11-feature-card {
        width: 100% !important;
        max-width: 340px !important;
        height: 100% !important;
        flex: 1 1 auto !important;
        margin: 0 auto;
        display: flex !important;
        flex-direction: column !important; /* Icon on top, Text on bottom */
        align-items: center !important;
        text-align: center !important;
        padding: 22px 20px 20px 20px !important;
        gap: 12px !important;
        opacity: 1 !important;
        transform: none !important;
        box-sizing: border-box;
      }
      .bf-bento-icon-wrapper {
        margin: 0 auto;
        width: 72px !important;
        height: 72px !important;
        display: flex;
        align-items: center;
        justify-content: center;
      }
      .bf-bento-icon-wrapper .bf-bento-icon {
        width: 68px !important;
        height: 68px !important;
        object-fit: contain;
      }
      .layout11-card-content {
        display: flex;
        flex-direction: column;
        align-items: center !important;
        text-align: center !important;
        gap: 6px !important;
        margin: 0 !important;
        flex: 1 1 auto !important;
      }
      .layout11-card-header {
        justify-content: center !important;
        text-align: center !important;
        margin: 0 !important;
      }
      .layout11-card-title {
        font-size: 16.5px !important;
        text-align: center !important;
        line-height: 1.35 !important;
      }
      .bf-bento-desc {
        font-size: 13.5px !important;
        text-align: left !important;
        line-height: 1.5 !important;
        width: 100%;
      }
      .bf-swiper-pagination {
        position: relative !important;
        margin-top: 10px !important;
        margin-bottom: 2px !important;
        bottom: 0 !important;
        text-align: center;
      }
      .bf-swiper-pagination .swiper-pagination-bullet {
        background: rgba(255, 255, 255, 0.25);
        width: 7px; height: 7px;
        transition: all 0.3s ease;
        opacity: 1;
      }
      .bf-swiper-pagination .swiper-pagination-bullet-active {
        background: var(--neon-cyan, #00f2fe);
        width: 20px; border-radius: 4px;
      }
      /* DRAM Visual Stage on Mobile (Continuous WebP Sequence - Full Bleed / No Side Padding) */
      .layout11-right-visual-stage {
        position: relative !important;
        top: 0 !important;
        min-height: auto !important;
        width: calc(100% + 2.5rem) !important;
        max-width: none !important;
        margin: 0 -1.25rem 0 -1.25rem !important;
        padding: 0 !important;
        display: flex !important;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        overflow: hidden;
        border-radius: 0 !important;
      }
      .layout11-seq-canvas {
        display: block !important;
        width: 100% !important;
        max-width: 100% !important;
        height: auto !important;
        aspect-ratio: 1 / 1 !important;
        padding: 0 !important;
        margin: 0 !important;
        border-radius: 0 !important;
      }
    }

    /* Right Sticky Visual Stage (Layout 11 60-Frame WebP Sequence) */
    .layout11-right-visual-stage {
      position: sticky; top: 100px; width: 100%; min-height: 480px;
      padding: 0;
      display: flex; flex-direction: column; align-items: center; justify-content: center;
      text-align: center; overflow: hidden;
      border-radius: 8px;
    }
    .layout11-seq-canvas {
      width: 100%; height: auto; max-height: 520px; aspect-ratio: 1 / 1; object-fit: contain;
      pointer-events: none;
      z-index: 1;
      transform: translateZ(0);
      will-change: transform;
    }
    .layout11-mobile-static-img {
      display: none;
      width: 100%; max-width: 360px; height: auto; object-fit: contain;
      margin: 0 auto; pointer-events: none;
    }
    /* Layout 2 Bottom 3-Card Static Grid (Ratio 2:1:1 -> 50% : 25% : 25%) */
    .prod-l2-cards-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr;
      gap: 24px;
      margin-top: 60px;
    }

    .prod-l2-card {
      position: relative;
      background: rgba(10, 20, 40, 0.75);
      border-radius: 4px;
      padding: 24px 22px;
      backdrop-filter: blur(25px);
      -webkit-backdrop-filter: blur(25px);
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
      box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5);
      height: 100%;
      transition: all 0.4s ease;
    }
    .prod-l2-card.prod-card-wide .prod-l2-card-img-box {
      height: 280px;
    }
    .prod-l2-card:hover {
      border-color: var(--neon-cyan);
      transform: translateY(-8px);
      box-shadow: 0 20px 45px rgba(0, 194, 255, 0.25);
    }

    .prod-l2-card-img-box {
      width: 100%;
      height: 180px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 16px;
      padding: 0;
      border-radius: 4px;
      overflow: hidden;
    }
    .prod-l2-card-img-box img {
      width: 100%;
      max-width: 270px;
      height: 180px;
      object-fit: cover;
      border-radius: 4px;
      transition: transform 0.4s ease;
    }
    .prod-l2-card-img-box video {
      width: 100%;
      height: 100%;
      object-fit: cover;
      border-radius: 4px;
      filter: drop-shadow(0 8px 16px rgba(0, 194, 255, 0.3));
      transition: transform 0.4s ease;
    }
    .prod-l2-card.prod-card-wide .prod-l2-card-img-box video {
      transform: scale(1.3);
      transform-origin: center center;
    }
    .prod-l2-card:hover .prod-l2-card-img-box img {
      transform: scale(1.08);
    }
    .prod-l2-card.prod-card-wide:hover .prod-l2-card-img-box video {
      transform: scale(1.38);
    }

    .prod-l2-card-stat {
      font-family: var(--font-hud);
      font-size: 19px;
      font-weight: 900;
      color: var(--neon-cyan);
      margin-bottom: 6px;
      text-shadow: 0 0 10px rgba(0, 194, 255, 0.3);
      text-align: center;
      width: 100%;
    }

    .prod-l2-card-title {
      font-size: 18px;
      font-weight: 800;
      color: #FFFFFF;
      margin-bottom: 8px;
      line-height: 1.35;
      text-align: center;
      width: 100%;
    }

    .prod-l2-card-desc {
      font-size: 16px;
      color: var(--text-slate);
      line-height: 1.6;
      text-align: left;
      width: 100%;
    }

    @media (max-width: 1024px) {
      .prod-l2-cards-grid {
        grid-template-columns: 1fr;
      }
      .prod-l2-card.prod-card-wide .prod-l2-card-img-box video {
        transform: scale(1);
      }
      .prod-l2-card.prod-card-wide:hover .prod-l2-card-img-box video {
        transform: scale(1.05);
      }
    }

    /* === Section 5: OUR STRENGTHS - REDESIGNED: Asymmetrical Bento Grid === */
    .strengths-bento-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      margin-top: 40px;
      position: relative;
      z-index: 2;
    }
    .strengths-bento-card {
      background: var(--cyber-card-bg);
      border: none;
      border-radius: 0;
      padding: 32px 28px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      backdrop-filter: blur(24px);
      -webkit-backdrop-filter: blur(24px);
      box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
      transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
      position: relative;
      overflow: hidden;
      min-height: 250px;
    }
    .strengths-bento-card.hero-bento {
      grid-column: span 2;
      background: linear-gradient(135deg, rgba(14, 28, 54, 0.95) 0%, rgba(5, 11, 24, 0.95) 100%);
      border: none;
      min-height: 250px;
    }
    .strengths-bento-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 3px;
      background: linear-gradient(90deg, var(--neon-cyan), var(--quantum-blue));
      opacity: 0.5;
      transition: opacity 0.3s ease;
    }
    .strengths-bento-card:hover {
      transform: translateY(-8px);
      box-shadow: 0 20px 45px rgba(56, 189, 248, 0.25);
    }
    .strengths-bento-card:hover::before {
      opacity: 1;
    }
    .bento-card-header {
      display: flex;
      align-items: center;
      justify-content: flex-start;
      width: 100%;
      margin-bottom: 20px;
    }
    .bento-hud-tag {
      font-family: var(--font-hud);
      font-size: 11px;
      font-weight: 800;
      color: var(--neon-cyan);
      background: rgba(56, 189, 248, 0.14);
      border: none;
      padding: 6px 14px;
      border-radius: 4px;
      letter-spacing: 1.5px;
      text-transform: uppercase;
    }
    .bento-card-content {
      flex: 1;
      display: flex;
      flex-direction: column;
      justify-content: flex-end;
    }
    .bento-card-title {
      font-size: 20px;
      font-weight: 800;
      color: #FFFFFF;
      margin-bottom: 10px;
      line-height: 1.35;
    }
    .hero-bento .bento-card-title {
      font-size: 24px;
    }
    .bento-card-desc {
      font-size: 14px;
      color: var(--text-slate);
      line-height: 1.65;
    }
    .hero-bento .bento-card-desc {
      font-size: 15px;
      max-width: 90%;
    }
    @media (max-width: 1024px) {
      .strengths-bento-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .strengths-bento-card.hero-bento {
        grid-column: span 2;
      }
    }
    @media (max-width: 640px) {
      .strengths-bento-grid {
        grid-template-columns: 1fr;
      }
      .strengths-bento-card.hero-bento {
        grid-column: span 1;
      }
    }

    /* === Unified Strengths & Culture Mega Section === */
    .sc-tabs-wrapper {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 16px;
      margin-bottom: 40px;
      position: relative;
      z-index: 5;
    }
    .sc-tab-btn {
      background: rgba(11, 19, 38, 0.7);
      border: none;
      border-radius: 4px;
      padding: 12px 28px;
      color: var(--text-slate);
      font-family: var(--font-title);
      font-size: 15px;
      font-weight: 700;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
      backdrop-filter: blur(10px);
    }
    .sc-tab-btn:hover {
      color: #FFFFFF;
    }
    .sc-tab-btn.active {
      background: linear-gradient(135deg, rgba(56, 189, 248, 0.25) 0%, rgba(37, 99, 235, 0.25) 100%);
      border: none;
      color: #FFFFFF;
      box-shadow: 0 0 20px rgba(56, 189, 248, 0.3);
    }
    .sc-panel {
      display: none;
      opacity: 0;
      transition: opacity 0.4s ease;
    }
    .sc-panel.active {
      display: block;
      opacity: 1;
    }

    /* === Shared Background Wrap: Strengths + Contact === */
    .shared-bg-wrap {
      background: url('../img/refinelab_contact_parametric_dot_bg.webp') center center / cover;
      background-attachment: fixed;
    }

    /* === Section 6: CORPORATE CULTURE - REDESIGNED: Equal Height Cards === */
    .culture-section-redesign {
      position: relative;
      background: transparent;
      overflow: visible;
    }
    .culture-section-redesign::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 180px;
      background: linear-gradient(to bottom, var(--cyber-card-bg) 0%, rgba(7, 14, 30, 0.6) 60%, transparent 100%);
      z-index: 4;
      pointer-events: none;
    }
    .culture-equal-grid {
      display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 40px;
      position: relative; z-index: 2;
    }
    .cultureSwiper {
      width: 100%;
      padding: 24px 0 60px 0;
      margin-top: 24px;
      position: relative;
      z-index: 2;
      overflow: visible !important;
    }
    .cultureSwiper .swiper-slide {
      height: auto;
      display: flex;
    }
    .cultureSwiper .culture-card-equal {
      width: 100%;
      height: 100%;
      min-height: 380px;
    }
    .culture-swiper-pagination {
      bottom: 10px !important;
    }
    .culture-swiper-pagination .swiper-pagination-bullet {
      background: var(--text-slate);
      opacity: 0.4;
      transition: all 0.3s ease;
    }
    .culture-swiper-pagination .swiper-pagination-bullet-active {
      background: var(--neon-cyan);
      opacity: 1;
      width: 26px;
      border-radius: 4px;
      box-shadow: 0 0 10px var(--neon-cyan);
    }
    .culture-swiper-next, .culture-swiper-prev {
      color: var(--neon-cyan);
      width: 44px;
      height: 44px;
      background: rgba(10, 19, 41, 0.75);
      border: 1px solid var(--cyber-border);
      border-radius: 50%;
      backdrop-filter: blur(10px);
      transition: all 0.3s ease;
    }
    .culture-swiper-next:after, .culture-swiper-prev:after {
      font-size: 16px;
      font-weight: 900;
    }
    .culture-swiper-next:hover, .culture-swiper-prev:hover {
      background: var(--neon-cyan);
      color: var(--cyber-bg);
      box-shadow: 0 0 15px var(--neon-cyan);
    }
    .culture-card-equal {
      position: relative;
      background: rgba(11, 15, 25, 0.92);
      border: 1px solid var(--cyber-border);
      border-radius: 4px;
      overflow: hidden;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
      backdrop-filter: blur(20px);
      -webkit-backdrop-filter: blur(20px);
      min-height: 380px;
    }
    .culture-card-equal::before {
      content: '';
      position: absolute;
      inset: 0;
      background: radial-gradient(circle at 50% 0%, rgba(56, 189, 248, 0.22) 0%, transparent 75%);
      opacity: 0;
      transition: opacity 0.4s ease;
      pointer-events: none;
      z-index: 1;
    }
    .culture-card-equal:hover {
      transform: translateY(-8px);
      border-color: var(--neon-cyan);
      box-shadow: 0 18px 45px rgba(0, 0, 0, 0.6), 0 0 35px rgba(56, 189, 248, 0.35), inset 0 0 20px rgba(56, 189, 248, 0.08);
    }
    .culture-card-equal:hover::before {
      opacity: 1;
    }
    .culture-card-top {
      position: relative;
      z-index: 2;
      padding: 28px 24px 16px 24px;
      flex: 1;
    }
    .culture-card-tag {
      font-family: var(--font-hud); font-size: 11px; font-weight: 800; color: var(--neon-cyan);
      letter-spacing: 2px; text-transform: uppercase; margin-bottom: 10px;
    }
    .culture-card-title { font-size: 20px; font-weight: 800; color: #FFFFFF; margin-bottom: 12px; }
    .culture-card-desc { font-size: 13.5px; color: var(--text-slate); line-height: 1.6; }
    .culture-card-img {
      position: relative;
      z-index: 2;
      width: 100%;
      height: 160px;
      object-fit: cover;
      border-top: 1px solid var(--cyber-border);
    }

    /* === Section 7: CONTACT US - REDESIGNED: Adaptive Width Flexbox === */
    .contact-asym-flex {
      display: flex; gap: 40px; justify-content: space-between; margin-top: 40px; flex-wrap: wrap;
    }
    .contact-card-solid {
      flex: 1 1 min(380px, 100%); max-width: 440px;
      background: linear-gradient(145deg, #0284C7 0%, #1E40AF 60%, #1D4ED8 100%);
      border-radius: 4px; padding: 44px 36px; color: #FFFFFF; display: flex;
      flex-direction: column; justify-content: space-between; box-shadow: 0 20px 50px rgba(2, 132, 199, 0.35);
    }
    .contact-logo-box img { height: 40px; width: auto; filter: brightness(0) invert(1); }
    .contact-info-list { display: flex; flex-direction: column; gap: 24px; margin-top: 36px; }
    .contact-info-item { display: flex; align-items: flex-start; gap: 16px; }
    .contact-icon-svg { width: 22px; height: 22px; flex-shrink: 0; margin-top: 3px; }
    .contact-info-text { font-size: 14.5px; line-height: 1.5; color: rgba(255, 255, 255, 0.95); font-weight: 500; }

    .contact-form-side {
      flex: 1 1 500px; background: var(--cyber-card-bg);
      border-radius: 4px; padding: 44px; backdrop-filter: blur(20px);
    }
    .form-flex-container { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 24px; }
    .form-field-half { flex: 1 1 calc(50% - 9px); min-width: 220px; }
    .form-field-full { flex: 1 1 100%; }
    .form-control-cyber {
      width: 100%; padding: 16px 20px; border-radius: 4px; border: 1px solid var(--cyber-border);
      background: rgba(3, 7, 18, 0.6); font-family: var(--font-title); font-size: 14.5px;
      color: #FFFFFF; transition: all 0.3s ease;
    }
    .form-control-cyber::placeholder { color: var(--text-slate); font-weight: 500; }
    .form-control-cyber:focus {
      outline: none; border-color: var(--neon-cyan); box-shadow: 0 0 20px rgba(0, 242, 254, 0.25);
    }
    textarea.form-control-cyber { height: 120px; resize: vertical; }

    .btn-submit-cyber {
      display: inline-flex; align-items: center; justify-content: center;
      background: linear-gradient(135deg, var(--neon-cyan) 0%, var(--quantum-blue) 100%);
      color: var(--cyber-bg); padding: 16px 36px; border-radius: 4px; font-weight: 400;
      font-size: 15px; border: none; cursor: pointer; transition: all 0.3s ease; margin-top: 14px;
    }
    .btn-submit-cyber:hover {
      transform: translateY(-3px); box-shadow: 0 0 30px rgba(0, 242, 254, 0.5);
    }

    /* === Section 8: Footer === */
    footer {
      background: #02050D; border-top: 1px solid var(--cyber-border);
      padding: 24px 6%; text-align: center; color: var(--text-slate); font-size: 13.5px;
      font-family: var(--font-hud);
    }

    /* === Motion Reveal === */
    .reveal-on-scroll { opacity: 0; transform: translateY(36px);
      transition: opacity 0.85s cubic-bezier(0.16, 1, 0.3, 1), transform 0.85s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .reveal-on-scroll.is-visible { opacity: 1; transform: translateY(0); }

    /* Stagger delay utilities for cascading card reveals */
    .reveal-stagger { opacity: 0; transform: translateY(28px);
      transition: opacity 0.75s cubic-bezier(0.16,1,0.3,1), transform 0.75s cubic-bezier(0.16,1,0.3,1);
    }
    .reveal-stagger.is-visible { opacity: 1; transform: translateY(0); }
    .reveal-stagger.delay-1 { transition-delay: 0.05s; }
    .reveal-stagger.delay-2 { transition-delay: 0.13s; }
    .reveal-stagger.delay-3 { transition-delay: 0.21s; }
    .reveal-stagger.delay-4 { transition-delay: 0.29s; }
    .reveal-stagger.delay-5 { transition-delay: 0.37s; }
    .reveal-stagger.delay-6 { transition-delay: 0.45s; }

    /* Fade-up for section headings */
    .reveal-heading { opacity: 0; transform: translateY(20px);
      transition: opacity 0.7s cubic-bezier(0.16,1,0.3,1), transform 0.7s cubic-bezier(0.16,1,0.3,1);
    }
    .reveal-heading.is-visible { opacity: 1; transform: translateY(0); }

    /* Layout11 Right Visual Stage: slide-in from right */
    .visual-stage-reveal {
      opacity: 0;
      transform: translateX(60px) scale(0.97);
      transition: opacity 1s cubic-bezier(0.16, 1, 0.3, 1), transform 1s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .visual-stage-reveal.is-visible {
      opacity: 1;
      transform: translateX(0) scale(1);
    }

    /* === RWD Responsive Adapters === */
    @media (max-width: 1024px) {
      .nav-links { display: none; }
      .hamburger { display: flex; }
      .products-redesign-container { grid-template-columns: 1fr; }
      .strengths-redesign-grid { grid-template-columns: 1fr; }
      .about-stats-countup-grid { grid-template-columns: repeat(2, 1fr); }
      .bf-bento-grid { grid-template-columns: repeat(2, 1fr); }
      .culture-equal-grid { grid-template-columns: repeat(2, 1fr); }
      .contact-card-solid { max-width: 100%; }
    }
    @media (max-width: 768px) {
      .section-padding { padding: 60px 1.25rem; } /* 20px Gutter */
      .nav-container { padding: 0 1.25rem; }
      .about-fullbleed-sub { text-align: left !important; }
      #products .hero-desc-p { text-align: left !important; }
      .hero-marquee-bar { transform: none !important; width: 100% !important; overflow: hidden; }
      .marquee-track { animation-duration: 12.5s !important; } /* 2x faster speed on mobile */
      .visual-stage-reveal {
        transform: translateY(24px) scale(0.98) !important;
      }
      .visual-stage-reveal.is-visible {
        transform: translateY(0) scale(1) !important;
      }
      .contact-asym-flex { gap: 24px !important; }
      .contact-card-solid, .contact-form-side {
        max-width: 100% !important;
        width: 100% !important;
        padding: 32px 20px !important;
      }
      .footer-top, .footer-bottom {
        padding-left: 1.25rem !important;
        padding-right: 1.25rem !important;
      }
    }
    @media (max-width: 640px) {
      .hero-cta-wrapper {
        flex-direction: column;
        width: 100%;
        max-width: 320px;
        margin: 0 auto;
        gap: 12px;
      }
      .hero-cta-wrapper .btn-pill-cta,
      .hero-cta-wrapper .btn-pill-secondary {
        width: 100%;
        justify-content: center;
        text-align: center;
        box-sizing: border-box;
      }
      .bf-bento-grid { grid-template-columns: 1fr; }
      .culture-equal-grid { grid-template-columns: 1fr; }
      .about-stats-countup-grid { grid-template-columns: 1fr; }
      .form-field-half { flex: 1 1 100%; }
    }
    @media (max-width: 480px) {
      .section-padding { padding: 50px 1rem; } /* 16px Gutter */
      .nav-container { padding: 0 1rem; }
      .footer-top, .footer-bottom {
        padding-left: 1rem !important;
        padding-right: 1rem !important;
      }
    }
