* {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
      font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      background-color: #080b10;
      color: #e8edf2;
      line-height: 1.5;
      padding-top: 70px;
    }

    /* ----- FIXED NAVBAR with HAMBURGER ----- */
    .navbar {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      z-index: 1000;
      background: rgba(8, 11, 16, 0.92);
      backdrop-filter: blur(14px);
      border-bottom: 1px solid rgba(255, 255, 255, 0.04);
      padding: 0 1.5rem;
      height: 70px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .navbar .logo {
      font-weight: 600;
      font-size: 1.4rem;
      width:5%;
      letter-spacing: -0.02em;
      background: linear-gradient(135deg, #eaf1fe, #9bbaff);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      z-index: 1001;
    }

    .navbar .logo i {
      -webkit-text-fill-color: initial;
      color: #3b7bf0;
      margin-right: 8px;
    }

    /* --- hamburger button --- */
    .hamburger {
      display: none;
      flex-direction: column;
      gap: 5px;
      background: transparent;
      border: none;
      cursor: pointer;
      padding: 6px;
      z-index: 1001;
    }

    .hamburger span {
      display: block;
      width: 26px;
      height: 2.5px;
      background: #e8edf2;
      border-radius: 4px;
      transition: 0.25s ease;
      transform-origin: center;
    }

    .hamburger.active span:nth-child(1) {
      transform: rotate(45deg) translate(5px, 5px);
    }
    .hamburger.active span:nth-child(2) {
      opacity: 0;
    }
    .hamburger.active span:nth-child(3) {
      transform: rotate(-45deg) translate(5px, -5px);
    }

    /* --- nav links (desktop) --- */
    .nav-links {
      display: flex;
      gap: 1.8rem;
      align-items: center;
      list-style: none;
      transition: 0.3s ease;
    }

    .nav-links a {
      color: #b8cee8;
      text-decoration: none;
      font-size: 0.9rem;
      font-weight: 450;
      transition: 0.2s;
      letter-spacing: 0.2px;
      border-bottom: 1px solid transparent;
      padding-bottom: 4px;
      white-space: nowrap;
    }

    .nav-links a:hover {
      color: #ffffff;
      border-bottom-color: #3b7bf0;
    }

    .nav-links .btn-small {
      background: #2b6ef0;
      padding: 0.4rem 1.2rem;
      border-radius: 40px;
      color: #fff !important;
      border-bottom: none !important;
      font-weight: 500;
      font-size: 0.85rem;
      transition: 0.2s;
    }

    .nav-links .btn-small:hover {
      background: #1f5bd4;
      transform: translateY(-1px);
    }

    /* --- mobile nav (slide from right) --- */
    @media (max-width: 768px) {
      .hamburger {
        display: flex;
      }

    .navbar .logo {
      font-weight: 600;
      font-size: 1.4rem;
      width:35%;
      letter-spacing: -0.02em;
      background: linear-gradient(135deg, #eaf1fe, #9bbaff);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      padding-top:5px;
      z-index: 1001;
    }

      .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        max-width: 320px;
        height: 100vh;
        background: rgba(10, 13, 20, 0.96);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 2rem;
        padding: 2rem 1.5rem;
        transition: right 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        border-left: 1px solid rgba(255, 255, 255, 0.04);
        box-shadow: -8px 0 40px rgba(0,0,0,0.5);
      }

      .nav-links.open {
        right: 0;
      }

      .nav-links a {
        font-size: 1.1rem;
        border-bottom: none;
        padding: 0.4rem 0;
      }

      .nav-links .btn-small {
        font-size: 1rem;
        padding: 0.6rem 2rem;
      }
    }

    /* ----- HERO with VIDEO BACKGROUND ----- */
    .hero {
      position: relative;
      width: 100%;
      min-height: 70vh;
      display: flex;
      align-items: center;
      justify-content: center;
      text-align: center;
      padding: 2rem 1.5rem;
      overflow: hidden;
      border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    }

    .hero-video {
      position: absolute;
      top: 50%;
      left: 50%;
      min-width: 100%;
      min-height: 100%;
      width: auto;
      height: auto;
      transform: translate(-50%, -50%);
      object-fit: cover;
      z-index: 0;
      filter: brightness(0.4) saturate(1.1);
    }

    .hero-overlay {
      position: absolute;
      inset: 0;
      background: radial-gradient(circle at 20% 30%, rgba(0, 30, 60, 0.5) 0%, rgba(8, 11, 16, 0.75) 100%);
      z-index: 1;
    }

    .hero-content {
      position: relative;
      z-index: 10;
      max-width: 1000px;
      margin: 0 auto;
    }

    .hero-badge {
      display: inline-block;
      background: rgba(255, 255, 255, 0.06);
      backdrop-filter: blur(8px);
      border: 1px solid rgba(255, 255, 255, 0.08);
      padding: 0.4rem 1.4rem;
      border-radius: 40px;
      font-size: 0.85rem;
      font-weight: 500;
      letter-spacing: 0.4px;
      color: #c8d8ee;
      margin-bottom: 1.8rem;
      text-transform: uppercase;
    }

    .hero h1 {
      font-size: clamp(2.6rem, 8vw, 5.2rem);
      font-weight: 700;
      line-height: 1.1;
      letter-spacing: -0.02em;
      background: linear-gradient(135deg, #f0f6ff 0%, #b8d0f0 80%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      margin-bottom: 1.2rem;
    }

    .hero p {
      font-size: 1.25rem;
      color: #c0d2e8;
      max-width: 700px;
      margin: 0 auto 2.5rem;
      opacity: 0.95;
      text-shadow: 0 2px 12px rgba(0,0,0,0.3);
    }

    .hero-stats {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 2.5rem 4rem;
      margin-bottom: 2.8rem;
    }

    .stat-item .number {
      font-size: 2.5rem;
      font-weight: 700;
      background: linear-gradient(135deg, #e0edff, #9bbaff);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      text-shadow: 0 2px 20px rgba(43, 110, 240, 0.2);
    }
    .stat-item .label {
      font-size: 0.9rem;
      color: #a0b8d0;
      margin-top: 0.15rem;
      text-transform: uppercase;
      letter-spacing: 0.6px;
      text-shadow: 0 1px 8px rgba(0,0,0,0.3);
    }

    .btn-group {
      display: flex;
      flex-wrap: wrap;
      gap: 1rem;
      justify-content: center;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      gap: 0.6rem;
      padding: 0.9rem 2.4rem;
      border-radius: 60px;
      font-weight: 500;
      font-size: 1rem;
      background: rgba(255, 255, 255, 0.03);
      border: 1px solid rgba(255, 255, 255, 0.08);
      color: #d6e2f5;
      backdrop-filter: blur(4px);
      transition: 0.25s ease;
      text-decoration: none;
      cursor: pointer;
      text-shadow: 0 1px 8px rgba(0,0,0,0.2);
    }

    .btn-primary {
      background: #2b6ef0;
      border: 1px solid #2b6ef0;
      color: #fff;
      box-shadow: 0 8px 24px -6px rgba(43, 110, 240, 0.35);
    }
    .btn-primary:hover {
      background: #1f5bd4;
      border-color: #1f5bd4;
      transform: translateY(-2px);
      box-shadow: 0 12px 30px -8px #1f5bd480;
    }
    .btn-outline:hover {
      background: rgba(255, 255, 255, 0.08);
      border-color: #4f7dc9;
    }

    /* ----- sections ----- */
    .section {
      padding: 4rem 2rem;
      max-width: 1280px;
      margin: 0 auto;
    }

    .section-title {
      font-size: 2.2rem;
      font-weight: 600;
      letter-spacing: -0.02em;
      margin-bottom: 1.8rem;
      background: linear-gradient(135deg, #eaf1fe, #b6cef0);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }

    .section-sub {
      color: #9eb2cb;
      margin-bottom: 2.5rem;
      font-size: 1.05rem;
      max-width: 800px;
    }

    .grid-2col {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
      gap: 2rem;
    }

    .grid-3col {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
      gap: 1.8rem;
    }

    .card {
      background: rgba(255, 255, 255, 0.02);
      backdrop-filter: blur(4px);
      border: 1px solid rgba(255, 255, 255, 0.04);
      border-radius: 32px;
      padding: 2rem 1.8rem;
      transition: 0.2s ease;
    }
    .card:hover {
      background: rgba(255, 255, 255, 0.04);
      border-color: rgba(255, 255, 255, 0.08);
      transform: translateY(-4px);
    }
    .card i {
      font-size: 2.2rem;
      color: #4b8cff;
      margin-bottom: 1rem;
      opacity: 0.8;
    }
    .card h3 {
      font-size: 1.3rem;
      font-weight: 500;
      margin-bottom: 0.6rem;
      color: #e0ebf9;
    }
    .card p {
      color: #9eb2cb;
      font-size: 0.95rem;
    }

    /* ----- ABOUT SECTION — LIGHT BACKGROUND ----- */
    .about-light {
      background: #f2f6fc;
      padding: 3rem 0;
      margin: 2rem 0;
      border-top: 1px solid rgba(0,0,0,0.04);
      border-bottom: 1px solid rgba(0,0,0,0.04);
    }

    .about-light .section-title {
      background: linear-gradient(135deg, #1a2a4a, #2b4b7a);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }

    .about-light .about-content {
      display: flex;
      flex-wrap: wrap;
      gap: 2.5rem;
      align-items: center;
      background: rgba(255, 255, 255, 0.7);
      backdrop-filter: blur(4px);
      border-radius: 40px;
      padding: 2.5rem;
      border: 1px solid rgba(255, 255, 255, 0.8);
      box-shadow: 0 2px 20px rgba(0,0,0,0.02);
    }

    .about-light .about-text {
      flex: 2;
      min-width: 240px;
      color: #1a2a4a;
    }

    .about-light .about-text strong {
      color: #0a1a2e;
    }

    .about-light .about-text p {
      color: #1a2a4a;
      max-width: 700px;
      font-size: 1.05rem;
      opacity: 0.9;
    }

    .about-light .about-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 1.2rem;
      margin-top: 1.8rem;
    }

    .about-light .about-tags span {
      background: rgba(43, 110, 240, 0.08);
      padding: 0.3rem 1.2rem;
      border-radius: 30px;
      border: 1px solid rgba(43, 110, 240, 0.15);
      color: #1a2a4a;
      font-size: 0.9rem;
    }

    .about-light .about-tags i {
      color: #2b6ef0;
      margin-right: 6px;
    }

    .about-light .about-highlights {
      flex: 1;
      background: rgba(255, 255, 255, 0.5);
      backdrop-filter: blur(2px);
      border-radius: 30px;
      padding: 1.5rem 2rem;
      border: 1px solid rgba(255, 255, 255, 0.9);
      box-shadow: 0 2px 8px rgba(0,0,0,0.02);
      color: #1a2a4a;
    }

    .about-light .about-highlights div {
      padding: 0.4rem 0;
      font-size: 0.95rem;
    }

    .about-light .about-highlights i {
      color: #2b6ef0;
      width: 1.8rem;
    }

    /* ----- PARTNERS SECTION — LIGHT BACKGROUND ----- */
    .partners-light {
      background: #f2f6fc;
      padding: 3rem 0 2.5rem 0;
      border-top: 1px solid rgba(0,0,0,0.04);
      border-bottom: 1px solid rgba(0,0,0,0.04);
    }

    .partners-light .section-title {
      background: linear-gradient(135deg, #1a2a4a, #2b4b7a);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }

    .partners-light .section-sub {
      color: #2a3f5e;
    }

    .partners-light .partner-grid {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 1.5rem 2.5rem;
      margin-top: 1rem;
    }

    .partners-light .partner-item {
      background: rgba(255, 255, 255, 0.6);
      backdrop-filter: blur(2px);
      border: 1px solid rgba(0, 0, 0, 0.04);
      border-radius: 40px;
      padding: 0.6rem 1.8rem;
      font-weight: 500;
      color: #1a2a4a;
      box-shadow: 0 2px 8px rgba(0,0,0,0.02);
      font-size: 0.95rem;
      transition: 0.2s;
    }
    .partners-light .partner-item i {
      color: #2b6ef0;
      margin-right: 8px;
    }
    .partners-light .partner-item:hover {
      background: #ffffff;
      box-shadow: 0 4px 16px rgba(0,0,0,0.06);
      transform: translateY(-2px);
    }

    /* ----- INFINITE SCROLLING PARTNERS ROW (light bg) ----- */
    .partners-scroll-light {
      background: #f2f6fc;
      padding: 1.8rem 0 2.5rem 0;
      overflow: hidden;
      position: relative;
      width: 100%;
      border-bottom: 1px solid rgba(0,0,0,0.04);
    }

    .partners-scroll-light::before,
    .partners-scroll-light::after {
      content: '';
      position: absolute;
      top: 0;
      width: 60px;
      height: 100%;
      z-index: 2;
      pointer-events: none;
    }
    .partners-scroll-light::before {
      left: 0;
      background: linear-gradient(to right, #f2f6fc 0%, transparent 100%);
    }
    .partners-scroll-light::after {
      right: 0;
      background: linear-gradient(to left, #f2f6fc 0%, transparent 100%);
    }

    .scroll-track-light {
      display: flex;
      gap: 3rem;
      animation: scrollPartners 30s linear infinite;
      width: max-content;
    }

    .scroll-track-light .partner-logo {
      display: inline-flex;
      align-items: center;
      gap: 0.6rem;
      Height: 150px;
      background: rgba(255, 255, 255, 0.5);
      backdrop-filter: blur(4px);
      padding: 0.2rem 1.2rem 0.2rem 0.8rem;
      border-radius: 40px;
      border: 1px solid rgba(0, 0, 0, 0.04);
      box-shadow: 0 2px 6px rgba(0,0,0,0.02);
      transition: 0.2s;
      white-space: nowrap;
    }

    .scroll-track-light .partner-logo:hover {
      background: #ffffff;
      box-shadow: 0 4px 16px rgba(0,0,0,0.06);
    }

    .scroll-track-light .partner-logo svg {
      border-radius: 50%;
    }

    .scroll-track-light .partner-logo span {
      color: #1a2a4a;
      font-size: 0.85rem;
      font-weight: 500;
      height: 50px;
    }

    @keyframes scrollPartners {
      0% { transform: translateX(0); }
      100% { transform: translateX(-50%); }
    }

    .partners-scroll-light:hover .scroll-track-light {
      animation-play-state: paused;
    }

    /* back to top button */
    .back-to-top {
      position: fixed;
      bottom: 2.5rem;
      right: 2rem;
      z-index: 999;
      background: #2b6ef0;
      color: #fff;
      border: none;
      border-radius: 60px;
      padding: 0.8rem 1.2rem;
      font-size: 1.1rem;
      box-shadow: 0 6px 20px rgba(43, 110, 240, 0.3);
      cursor: pointer;
      transition: 0.2s;
      display: flex;
      align-items: center;
      gap: 0.5rem;
      opacity: 0;
      visibility: hidden;
      transform: translateY(12px);
    }
    .back-to-top.visible {
      opacity: 1;
      visibility: visible;
      transform: translateY(0);
    }
    .back-to-top:hover {
      background: #1f5bd4;
      transform: translateY(-3px);
    }

    /* cookies banner */
    .cookies-banner {
      position: fixed;
      bottom: 0;
      left: 0;
      width: 100%;
      z-index: 1100;
      background: rgba(8, 11, 16, 0.92);
      backdrop-filter: blur(12px);
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      padding: 1rem 2rem;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: center;
      gap: 1rem 2rem;
      font-size: 0.9rem;
      color: #b8cee8;
      transition: 0.3s;
    }
    .cookies-banner.hidden {
      display: none;
    }
    .cookies-banner .cookies-text {
      max-width: 700px;
      text-align: center;
    }
    .cookies-banner .cookies-text i {
      color: #4b8cff;
      margin-right: 6px;
    }
    .cookies-banner .btn-cookie {
      background: #2b6ef0;
      border: none;
      color: #fff;
      padding: 0.4rem 1.6rem;
      border-radius: 40px;
      font-weight: 500;
      cursor: pointer;
      transition: 0.2s;
    }
    .cookies-banner .btn-cookie:hover {
      background: #1f5bd4;
    }
    .cookies-banner .btn-cookie-outline {
      background: transparent;
      border: 1px solid rgba(255,255,255,0.15);
      color: #b8cee8;
      padding: 0.4rem 1.6rem;
      border-radius: 40px;
      cursor: pointer;
      transition: 0.2s;
    }
    .cookies-banner .btn-cookie-outline:hover {
      background: rgba(255,255,255,0.04);
    }

    .footer {
      border-top: 1px solid rgba(255, 255, 255, 0.03);
      padding: 2.5rem 2rem;
      text-align: center;
      color: #6f85a2;
      font-size: 0.9rem;
      background: #080b0f;
    }

    @media (max-width: 640px) {
      .hero h1 { font-size: 2.6rem; }
      .hero-stats { gap: 1.5rem; }
      .stat-item .number { font-size: 2rem; }
      .btn { padding: 0.7rem 1.8rem; }
      .cookies-banner { padding: 1rem; flex-direction: column; }
      .scroll-track-light { gap: 1.5rem; }
      .scroll-track-light .partner-logo { padding: 0.2rem 0.8rem 0.2rem 0.4rem; }
      .scroll-track-light .partner-logo span { font-size: 0.75rem; }
      .about-light .about-content { padding: 1.5rem; }
    }