/* ===== Cubic Byte — Metallic Theme ===== */
  :root {
    --accent: #cfcfcf;
    --accent-2: #9f9f9f;
    --bg: #0b0b0f;
    --bg-2: #111117;
    --text: #e6e6e6;
    --shadow: 0 20px 60px rgba(0, 0, 0, 0.55);
    --softglow: 0 0 32px rgba(255, 255, 255, 0.25);
  }

  * {
    box-sizing: border-box;
  }

  html,
  body {
    background: var(--bg);
    color: var(--text);
    font-family: "Poppins", system-ui, Segoe UI, Roboto, Arial, sans-serif;
  }

  a {
    text-decoration: none;
  }

  img {
    max-width: 100%;
    display: block;
  }

  section {
    position: relative;
  }

  /* ===== Custom Cursor ===== */
  .cursor {
    position: fixed;
    top: 0;
    left: 0;
    width: 22px;
    height: 22px;
    border: 2px solid #dcdcdc;
    border-radius: 50%;
    pointer-events: none;
    z-index: 10000;
    transform: translate(-50%, -50%);
    mix-blend-mode: difference;
    transition: transform 0.05s ease;
  }

  /* ===== Navbar ===== */
  .navbar {
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(10px);
  }
  .navbar-brand {
    color: var(--accent) !important;
    letter-spacing: 0.5px;
  }
  .nav-link {
    color: #fff !important;
    position: relative;
    opacity: 0.9;
  }
  .nav-link::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -4px;
    height: 2px;
    width: 0;
    background: linear-gradient(90deg, var(--accent), #fff);
    transition: 0.25s;
  }
  .nav-link:hover::after {
    width: 100%;
  }

  /* ========================================================= */
  /*                     HERO SECTION                          */
  /* ========================================================= */
  .hero-section {
    position: relative;
    min-height: 100vh;
    width: 100%;
    overflow: hidden;
    display: flex;
    align-items: center;
    padding-top: 110px; /* navbar spacing */
    background: none !important;
    z-index: 0; /* keep background video inside this stacking context */
    isolation: isolate;
  }

  .hero-video {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: translate(-50%, -50%);
    z-index: -1;
    opacity: 0.35;
    pointer-events: none; /* prevent accidental blocking of hero content */
  }

  /* Subtle grid overlay for depth */
  .hero-section::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 20% 20%, rgba(255,255,255,0.08), transparent 35%),
                radial-gradient(circle at 80% 10%, rgba(0,255,255,0.08), transparent 30%),
                linear-gradient(180deg, rgba(0,0,0,0.35), rgba(0,0,0,0.75));
    z-index: -0.5;
  }

  .brand-stack {
    position: relative;
    z-index: 10;
  }

  .hero-section .row {
    width: 100%;
  }

  .brand-stack .logo-emboss {
    width: 160px;
    filter: drop-shadow(0 2px 12px rgba(255, 255, 255, 0.12));
    mix-blend-mode: screen; /* blend with hero background highlights */
    opacity: 0.9;
  }

  .section-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    border-radius: 999px;
    border: 1px solid rgba(255,255,255,0.14);
    background: rgba(255,255,255,0.06);
    color: #e8e8e8;
    font-size: 0.9rem;
    letter-spacing: 0.3px;
  }

  .stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 14px;
    margin-top: 24px;
  }

  .stat-chip {
    padding: 14px 16px;
    border-radius: 14px;
    border: 1px solid rgba(255,255,255,0.12);
    background: rgba(255,255,255,0.06);
    box-shadow: 0 12px 30px rgba(0,0,0,0.25);
    text-align: left;
  }
  .stat-chip h6 {
    margin: 0;
    color: #fff;
    font-weight: 700;
  }
  .stat-chip span {
    color: rgba(255,255,255,0.85);
    font-size: 0.95rem;
  }

  .pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    border-radius: 999px;
    border: 1px solid rgba(255,255,255,0.14);
    background: rgba(255,255,255,0.05);
    color: #f7f7f7;
    font-weight: 600;
    letter-spacing: 0.2px;
  }

  /* ===== Trust strip ===== */
  .logo-strip {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
  }

  .logo-pill {
    padding: 12px 18px;
    border-radius: 12px;
    border: 1px solid rgba(255,255,255,0.12);
    background: rgba(255,255,255,0.05);
    color: #eaeaea;
    font-weight: 600;
    letter-spacing: 0.4px;
  }

  /* ===== Capability cards ===== */
  #capabilities {
    position: relative;
    overflow: hidden;
  }

  #capabilities::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 20% 20%, rgba(0,255,255,0.08), transparent 35%),
                radial-gradient(circle at 80% 10%, rgba(255,255,255,0.06), transparent 30%);
    pointer-events: none;
  }

  .cap-card {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 18px;
    padding: 24px 22px;
    height: 100%;
    position: relative;
    overflow: hidden;
    box-shadow: 0 18px 60px rgba(0,0,0,0.35);
    transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
  }

  .cap-card:hover {
    transform: translateY(-8px);
    border-color: rgba(0,255,255,0.2);
    box-shadow: 0 26px 80px rgba(0, 255, 255, 0.1);
  }

  .cap-icon {
    width: 48px;
    height: 48px;
    display: grid;
    place-items: center;
    border-radius: 12px;
    background: rgba(0,255,255,0.08);
    color: #00e0ff;
    margin-bottom: 14px;
  }

  .cap-card h5 {
    color: #fff;
    margin-bottom: 10px;
  }

  .cap-card p {
    color: rgba(235,235,235,0.85);
    margin: 0;
  }

  /* ===== Accordion (dark) ===== */
  .accordion-dark .accordion-item {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 10px;
  }

  .accordion-dark .accordion-button {
    background: transparent;
    color: #eaeaea;
    box-shadow: none;
  }

  .accordion-dark .accordion-button:focus {
    box-shadow: none;
    outline: none;
  }

  .accordion-dark .accordion-button:not(.collapsed) {
    background: rgba(0,255,255,0.06);
    color: #fff;
  }

  .accordion-dark .accordion-body {
    color: rgba(230,230,230,0.9);
  }

  /* ===== Tech strip ===== */
  .tech-strip {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
  }

  /* ===== Tech carousel (slider feel) ===== */
  .tech-carousel {
    position: relative;
    overflow: hidden;
  }

  .tech-scroll {
    display: flex;
    gap: 12px;
    overflow-x: auto;
    padding: 6px 10px 12px;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
  }

  .tech-scroll .logo-pill {
    scroll-snap-align: center;
    background: linear-gradient(135deg, rgba(255,255,255,0.08), rgba(0,255,255,0.08));
    border: 1px solid rgba(0,255,255,0.12);
    box-shadow: 0 18px 50px rgba(0,0,0,0.35), 0 0 24px rgba(0,255,255,0.12);
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
  }

  .tech-scroll .logo-pill:hover {
    transform: translateY(-3px);
    border-color: rgba(0,255,255,0.25);
    box-shadow: 0 22px 60px rgba(0,0,0,0.45), 0 0 30px rgba(0,255,255,0.18);
  }

  .tech-scroll::-webkit-scrollbar {
    height: 6px;
  }

  .tech-scroll::-webkit-scrollbar-track {
    background: rgba(255,255,255,0.04);
    border-radius: 10px;
  }

  .tech-scroll::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, rgba(0,255,255,0.5), rgba(255,255,255,0.35));
    border-radius: 10px;
  }

  .tech-fade {
    position: absolute;
    top: 0;
    bottom: 0;
    width: 80px;
    pointer-events: none;
    z-index: 2;
  }

  .tech-fade.left {
    left: 0;
    background: linear-gradient(90deg, rgba(11,11,15,1), rgba(11,11,15,0));
  }

  .tech-fade.right {
    right: 0;
    background: linear-gradient(270deg, rgba(11,11,15,1), rgba(11,11,15,0));
  }

  .metallic-text {
    background: linear-gradient(180deg, #f5f5f5 0%, #bfbfbf 40%, #8f8f8f 60%, #eaeaea 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-shadow: 0 1px 0 #898888;
  }

  .subtle {
    opacity: 0.85;
  }

  /* ===== Buttons ===== */
  .btn-metal {
    background: linear-gradient(180deg, #d9d9d9, #9f9f9f);
    color: #111;
    border: none;
    border-radius: 12px;
    padding: 0.8rem 1.3rem;
    box-shadow: var(--softglow);
  }
  .btn-metal:hover {
    filter: brightness(1.05);
  }

  .btn-outline-metal {
    border: 1px solid var(--accent);
    color: var(--text);
    border-radius: 12px;
    padding: 0.8rem 1.3rem;
  }
  .btn-outline-metal:hover {
    background: rgba(255, 255, 255, 0.06);
  }

  /* ========================================================= */
  /*                      ABOUT SECTION                        */
  /* ========================================================= */
  .about-card {
    background: rgba(188, 176, 176, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 20px;
    padding: 25px;
    transition: 0.4s ease;
  }
  .about-card:hover {
    transform: translateY(-10px);
  }

  /* ========================================================= */
  /*                      FOUNDERS SECTION                     */
  /* ========================================================= */
  #founders .founder-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 25px;
    transition: 0.4s ease;
  }
  #founders .founder-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.25);
  }

  .founder-img {
    width: 160px;
    height: 160px;
    object-fit: cover;
    border: 4px solid #b7afaf;
    box-shadow: 0 0 20px rgba(192, 192, 192, 0.944);
  }

  #founders .founder-card h5 {
    color: #ffffff;
    font-weight: 700;
    font-size: 1.3rem;
    margin-bottom: 5px;
  }

  #founders .founder-card p {
    color: #dcdcdc;
    opacity: 0.9;
  }

  /* ========================================================= */
  /*                     PROJECTS SECTION                       */
  /* ========================================================= */
  .project-card {
    background: linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.02));
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 22px;
    padding: 50px 45px;
    backdrop-filter: blur(6px);
    transition: 0.35s ease;
  }
  .project-card:hover {
    transform: translateY(-12px);
    box-shadow: 0 30px 100px rgba(255,255,255,0.08);
  }

  .project-card h4 {
    font-size: 1.9rem;
    background: linear-gradient(90deg, #55ceb8ae, #bfbfbf);
    -webkit-background-clip: text;
    color: transparent;
  }

  /* ========================================================= */
  /*                    SERVICES SECTION                        */
  /* ========================================================= */
  #services {
    background: linear-gradient(180deg, #0a0a0a 0%, #121212 100%);
    padding: 120px 0;
    overflow: hidden;
  }

  .service-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 20px;
    padding: 40px 25px;
    transition: 0.4s ease;
    position: relative;
    overflow: hidden;
  }

  .service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 0 25px rgba(255,255,255,0.1);
  }

  .service-card i {
    font-size: 3rem;
    color: #00e0ff;
    margin-bottom: 20px;
  }

  .service-card h5 {
    color: #fff;
    font-size: 1.3rem;
  }

  /* ========================================================= */
  /*                   SERVICE FORM SECTION                     */
  /* ========================================================= */
  #serviceForm {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 18px;
    padding: 40px 35px;
    backdrop-filter: blur(10px);
    margin-top: 80px;
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.1);
  }

  #serviceForm input,
  #serviceForm textarea {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255,255,255,0.25);
    color: #fff;
    border-radius: 12px;
    padding: 12px 15px;
  }

  #serviceForm input::placeholder,
  #serviceForm textarea::placeholder {
    color: #cccccc;
  }

  /* ========================================================= */
  /*                       CONTACT FORM                         */
  /* ========================================================= */
  .contact-form input,
  .contact-form textarea {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255,255,255,0.2);
    color: #fff;
    border-radius: 12px;
    padding: 12px 15px;
  }

  .contact-form input::placeholder,
  .contact-form textarea::placeholder {
    color: #bfbfbf;
  }

  /* ========================================================= */
  /*                         FOOTER                             */
  /* ========================================================= */
  footer {
    background: #0a0a0a;
    color: #ccc;
    font-size: 0.95rem;
    padding: 40px 0;
  }