:root {
      --primary: #4f46e5;
      --primary-dark: #4338ca;
      --primary-light: #818cf8;
      --secondary: #10b981;
      --accent: #f59e0b;
      --text-dark: #111827;
      --text-gray: #6b7280;
      --bg-light: #ffffff;
      --bg-section: #eef3f8;
      --bg-section2: #dbe6ef;
      --shadow-sm: 0 5px 12px rgba(0,0,0,0.08);
      --shadow-md: 0 10px 20px rgba(0,0,0,0.08);
      --shadow-lg: 0 20px 40px rgba(79,70,229,0.15);
      --gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    }

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

    html, body {
      margin: 0;
      padding: 0;
      font-family: 'Segoe UI', Arial, Helvetica, sans-serif;
      background: linear-gradient(180deg, #e9edf6, #ffffff);
      overflow-x: hidden;
      animation: pageFade 1s ease;
    }

    @keyframes pageFade {
      0% { opacity: 0; }
      100% { opacity: 1; }
    }

    .header-container {
  position: relative;
  width: 100%;
  margin: 0;
  padding: 0;
}

.header-bg {
  background: #e0e5ec;
  box-shadow: 5px 5px 10px #a3b1c6, -5px -5px 10px #ffffff;
  border-radius: 0 0 20px 20px;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 70px;
  z-index: 1;
}

.header-content {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 20px;
  height: 70px;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo-img {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  object-fit: cover;
  position: relative;
  top: -3px;
  left: -10px;
}

.brand-text {
  font-size: 22px;
  font-weight: 800;
  color: #1e40af;
  text-shadow: 3px 3px 6px #a3b1c6, -3px -3px 6px #ffffff;
  white-space: nowrap;
  position: relative;
  top: 0px;
  left: -15px;
}

.menu-btn {
  width: 40px;
  height: 40px;
  background: #e0e5ec;
  border: none;
  border-radius: 10px;
  color: #4f46e5;
  font-size: 20px;
  cursor: pointer;
  box-shadow: 5px 5px 10px #a3b1c6, -5px -5px 10px #ffffff;
  transition: .2s;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  top: 0px;
  right: -8px;
  z-index: 3;
  padding: 0;
}

.menu-btn:active {
  box-shadow: inset 5px 5px 10px #a3b1c6, inset -5px -5px 10px #ffffff;
}

    .overlay {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: rgba(0, 0, 0, 0.5);
      opacity: 0;
      visibility: hidden;
      transition: 0.3s;
      z-index: 999;
      pointer-events: none;
      backdrop-filter: blur(3px);
    }

    .overlay.active {
      opacity: 1;
      visibility: visible;
      pointer-events: auto;
    }

    .menu-container {
      position: fixed;
      top: 0;
      right: -280px;
      width: 280px;
      background: #e0e5ec;
      transition: 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
      z-index: 1000;
      padding: 20px 15px;
      box-shadow: -5px 0 20px rgba(0, 0, 0, 0.1);
      border-radius: 25px 0 0 25px;
      transform: translateX(100%);
    }

    .menu-container.active {
      right: 0;
      transform: translateX(0);
    }

    .menu-items {
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .menu-box {
      background: #e0e5ec;
      border-radius: 12px;
      padding: 10px 15px;
      box-shadow: 3px 3px 6px #a3b1c6, -3px -3px 6px #ffffff;
      transition: 0.3s;
    }

    .menu-box.digital-box {
      padding: 12px 15px;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .digital-title {
      font-size: 20px;
      font-weight: bold;
      color: #e67e22;
      text-shadow: 2px 2px 4px #a3b1c6, -2px -2px 4px #ffffff;
      white-space: nowrap;
    }

    .close-btn {
      width: 32px;
      height: 32px;
      background: #e0e5ec;
      border: none;
      border-radius: 8px;
      color: #ef4444;
      font-size: 16px;
      cursor: pointer;
      box-shadow: 2px 2px 4px #a3b1c6, -2px -2px 4px #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .close-btn:active {
      box-shadow: inset 2px 2px 4px #a3b1c6, inset -2px -2px 4px #ffffff;
    }

    .menu-link {
      display: block;
      font-size: 15px;
      font-weight: 600;
      color: #333333;
      text-decoration: none;
      padding: 8px 5px;
      border-radius: 6px;
      transition: 0.2s;
    }

    .menu-link:hover {
      color: #e67e22;
      padding-left: 15px;
    }

    body.menu-open {
      overflow: hidden;
      position: fixed;
      width: 100%;
    }

    .container {
      text-align: center;
      padding: 60px 20px;
      max-width: 700px;
      margin: auto;
      animation: slideUp 0.8s ease;
    }

    @keyframes slideUp {
      0% { opacity: 0; transform: translateY(30px); }
      100% { opacity: 1; transform: translateY(0); }
    }

    .hero-title {
      font-size: 32px;
      font-weight: 900;
      margin-bottom: 10px;
      color: #1a237e;
    }

    .hero-sub {
      font-size: 18px;
      color: #4b5563;
    }

    .box {
      background: #fff;
      margin: 35px 18px;
      padding: 50px 28px;
      border-radius: 18px;
      box-shadow: 0 8px 22px rgba(0,0,0,0.08);
      position: relative;
      opacity: 0;
      transform: translateY(30px);
      transition: all 0.8s ease;
    }

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

    .box::before {
      content: "";
      position: absolute;
      left: 0;
      top: 0;
      height: 100%;
      width: 6px;
      background: #4f46e5;
      border-top-left-radius: 18px;
      border-bottom-left-radius: 18px;
    }

    .box h2 {
      text-align: center;
      font-size: 26px;
      margin-top: 0;
      color: #1e293b;
    }

    .box p {
      font-size: 17px;
      line-height: 1.7;
      color: #4b5563;
    }

    .blue-line {
      width: 50px;
      height: 4px;
      background: #4f46e5;
      margin: 12px auto 25px auto;
      border-radius: 3px;
    }

    .community {
      margin: 50px 18px;
      padding: 40px 20px;
      background: #f5f7fb;
      border-radius: 20px;
      text-align: center;
      opacity: 0;
      transform: translateY(30px);
      transition: all 0.8s ease;
    }

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

    .stats-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 25px;
      margin-top: 25px;
    }

    .stat-box {
      background: #fff;
      padding: 35px 25px;
      border-radius: 16px;
      box-shadow: 0 8px 18px rgba(0,0,0,0.08);
    }

    .stat-number {
      font-size: 42px;
      font-weight: 900;
      color: #4f46e5;
    }

    .stat-text {
      font-size: 16px;
      letter-spacing: 2px;
      margin-top: 5px;
      color: #334155;
    }

    .how-section {
      background: #fff;
      margin: 40px 18px;
      padding: 40px 20px;
      border-radius: 18px;
      box-shadow: 0 8px 22px rgba(0,0,0,0.08);
      position: relative;
      text-align: center;
      opacity: 0;
      transform: translateY(30px);
      transition: all 0.8s ease;
    }

    .how-section.show {
      opacity: 1;
      transform: translateY(0);
    }

    .how-section::before {
      content: "";
      position: absolute;
      left: 0;
      top: 0;
      height: 100%;
      width: 6px;
      background: #4f46e5;
      border-radius: 18px 0 0 18px;
    }

    .step-card {
      background: #eef1f7;
      padding: 30px 20px;
      border-radius: 16px;
      text-align: center;
      margin-top: 20px;
      transition: 0.3s;
    }

    .step-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    }

    .circle {
      width: 40px;
      height: 40px;
      background: #4f46e5;
      color: white;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: bold;
      margin: 0 auto 10px auto;
    }

    .step-card p {
      font-weight: 600;
      font-size: 16px;
      color: #1e293b;
    }

    .text-section {
      text-align: center;
      padding: 30px 20px;
      opacity: 0;
      transform: translateY(30px);
      transition: all 0.8s ease;
    }

    .text-section.show {
      opacity: 1;
      transform: translateY(0);
    }

    .text-section h2 {
      font-size: 22px;
      font-weight: 800;
      margin-bottom: 10px;
      color: #1e293b;
    }

    .text-section p {
      font-size: 15px;
      line-height: 1.6;
      color: #4b5563;
    }

    .founder {
      background: #fff;
      margin: 40px 18px;
      padding: 50px 25px;
      border-radius: 18px;
      box-shadow: 0 8px 22px rgba(0,0,0,0.08);
      text-align: center;
      position: relative;
      opacity: 0;
      transform: translateY(30px);
      transition: all 0.8s ease;
    }

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

    .founder::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      width: 6px;
      height: 100%;
      background: #4f46e5;
      border-radius: 18px 0 0 18px;
    }

    .founder img {
      width: 120px;
      height: 120px;
      border-radius: 50%;
      border: 4px solid #4f46e5;
      object-fit: cover;
      margin-top: 60px;
    }

    .founder h3 {
      font-size: 22px;
      margin-top: 25px;
      color: #1e293b;
    }

    .founder-role {
      display: block;
      color: #4f46e5;
      font-weight: 800;
      margin-top: 8px;
    }

    .founder-desc {
      color: #4b5563;
      margin-top: 30px;
      line-height: 1.8;
    }
    
    .footer {
      background: #1e293b;
      color: #cbd5e1;
      text-align: center;
      padding: 18px 20px;
      margin-top: 40px;
      font-size: 14px;
    }
    
    .footer p {
      display: inline;
    }
    
    .footer .rights {
      font-size: 14px;
      color: #94a3b8;
    }
    
    /* Remove Android tap highlight */
* {
  -webkit-tap-highlight-color: transparent;
}

.box,
.menu-btn,
.menu-text,
button,
a,
div {
  -webkit-tap-highlight-color: transparent;
  outline: none;
  user-select: none;
  -webkit-user-select: none;
}

.box:focus,
.box:active,
button:focus,
button:active,
a:focus,
a:active {
  outline: none;
}