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

        :root {
            --primary: #2D6AFF;
            --primary-dark: #1A4FCF;
            --primary-glow: rgba(45, 106, 255, 0.25);
            --secondary: #8B5CF6;
            --accent: #10B981;
            --dark-bg: #0B1120;
            --surface-dark: #111827;
            --gray-50: #F9FAFB;
            --gray-100: #F3F4F6;
            --gray-200: #E5E7EB;
            --gray-600: #4B5563;
            --gray-700: #374151;
            --gray-900: #111827;
            --white: #FFFFFF;
            --glass-white: rgba(255, 255, 255, 0.04);
            --border-light: rgba(255, 255, 255, 0.08);
            --shadow-sm: 0 10px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.02);
            --shadow-md: 0 20px 25px -5px rgba(0, 0, 0, 0.05), 0 10px 10px -5px rgba(0, 0, 0, 0.01);
            --shadow-lg: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
            --shadow-xl: 0 35px 60px -15px rgba(0, 0, 0, 0.2);
            --gradient-hero: linear-gradient(135deg, #0A0F1F 0%, #10172B 50%, #16223B 100%);
            --gradient-primary: linear-gradient(105deg, #2D6AFF 0%, #6D28D9 100%);
            --gradient-card: linear-gradient(145deg, rgba(255, 255, 255, 0.02) 0%, rgba(255, 255, 255, 0.00) 100%);
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Inter', system-ui, -apple-system, sans-serif;
            background-color: var(--gray-50);
            color: var(--gray-700);
            line-height: 1.5;
            overflow-x: hidden;
        }

        /* custom scroll */
        ::-webkit-scrollbar {
            width: 8px;
        }

        ::-webkit-scrollbar-track {
            background: var(--gray-100);
        }

        ::-webkit-scrollbar-thumb {
            background: var(--primary);
            border-radius: 12px;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 32px;
        }

        .section-padding {
            padding: 120px 0;
        }

        .text-center {
            text-align: center;
        }

        /* Buttons Modern */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: -0.01em;
            text-decoration: none;
            transition: all 0.3s cubic-bezier(0.2, 0.9, 0.4, 1.1);
            cursor: pointer;
            border: none;
            background: transparent;
        }

        .btn-primary {
            background: var(--gradient-primary);
            color: white;
            box-shadow: 0 8px 20px rgba(45, 106, 255, 0.3);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 30px rgba(45, 106, 255, 0.4);
            filter: brightness(1.02);
        }

        .btn-outline {
            background: transparent;
            color: white;
            border: 1.5px solid rgba(255, 255, 255, 0.35);
            backdrop-filter: blur(4px);
        }

        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.8);
            transform: translateY(-2px);
        }

        .btn-google {
            background: rgba(255, 255, 255, 0.96);
            color: #1F2937;
            border-radius: 40px;
            padding: 10px 22px;
            font-weight: 500;
            box-shadow: var(--shadow-sm);
            transition: all 0.2s ease;
        }

        .btn-google:hover {
            background: white;
            transform: scale(1.02);
            box-shadow: 0 12px 22px rgba(0, 0, 0, 0.1);
        }

        /* Navbar Glassmorphic */
        .navbar {
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
            background: rgba(11, 18, 32, 0.75);
            backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: all 0.3s;
        }

        .nav-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 80px;
        }

        /* Logo area with image and text */
        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 1.5rem;
            font-weight: 700;
            background: linear-gradient(120deg, #FFFFFF, #A5B4FC);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            letter-spacing: -0.02em;
        }

        .logo-img {
            height: 38px;
            width: auto;
            display: block;
            filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
        }

        .logo span {
            font-weight: 800;
            background: linear-gradient(135deg, #2D6AFF, #8B5CF6);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }

        /* Hero Section - Elegant */
        .hero {
            background: var(--gradient-hero);
            padding: 180px 0 140px 0;
            color: white;
            position: relative;
            isolation: isolate;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -20%;
            right: -15%;
            width: 80%;
            height: 80%;
            background: radial-gradient(circle, rgba(45, 106, 255, 0.25) 0%, rgba(139, 92, 246, 0.15) 80%);
            filter: blur(100px);
            z-index: -1;
        }

        .hero::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 70%;
            height: 70%;
            background: radial-gradient(circle, rgba(16, 185, 129, 0.1) 0%, rgba(0, 0, 0, 0) 70%);
            filter: blur(90px);
            z-index: -1;
        }

        .hero h1 {
            font-size: clamp(2.8rem, 6vw, 4.8rem);
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 28px;
            background: linear-gradient(to right, #FFFFFF, #CBD5E1, #A5B4FC);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            letter-spacing: -0.02em;
        }

        .hero p {
            font-size: 1.2rem;
            color: #94A3B8;
            max-width: 680px;
            margin: 0 auto 48px auto;
            font-weight: 400;
        }

        .badge {
            background: rgba(45, 106, 255, 0.12);
            color: #A5B4FC;
            padding: 6px 18px;
            border-radius: 100px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.3px;
            backdrop-filter: blur(2px);
            display: inline-block;
            margin-bottom: 24px;
            border: 0.5px solid rgba(255, 255, 255, 0.1);
        }

        /* Cards Modern */
        .grid {
            display: grid;
            gap: 32px;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
        }

        .card {
            background: var(--white);
            padding: 40px 32px;
            border-radius: 36px;
            border: 1px solid var(--gray-200);
            transition: all 0.4s ease;
            box-shadow: var(--shadow-sm);
            position: relative;
            backdrop-filter: blur(0px);
        }

        .card:hover {
            transform: translateY(-8px);
            border-color: var(--primary);
            box-shadow: var(--shadow-lg);
        }

        .card-icon {
            width: 64px;
            height: 64px;
            background: linear-gradient(135deg, #EEF2FF 0%, #E0E7FF 100%);
            border-radius: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 28px;
            font-size: 2rem;
            color: var(--primary);
            transition: 0.2s;
        }

        .card h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--gray-900);
            letter-spacing: -0.3px;
        }

        .card p {
            color: var(--gray-600);
            line-height: 1.6;
        }

        /* Challenges Section modern */
        .challenges {
            background: var(--white);
            position: relative;
        }

        .challenge-item {
            background: var(--gray-50);
            padding: 24px 28px;
            border-radius: 28px;
            display: flex;
            align-items: center;
            gap: 20px;
            transition: 0.2s;
            border: 1px solid var(--gray-200);
            font-weight: 500;
            color: var(--gray-800);
        }

        .challenge-item svg {
            flex-shrink: 0;
            color: var(--primary);
            stroke-width: 1.8;
            width: 28px;
            height: 28px;
        }

        .challenge-item:hover {
            background: white;
            border-color: var(--primary);
            box-shadow: var(--shadow-sm);
            transform: translateX(4px);
        }

        /* Roles Grid modern */
        .roles-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
        }

        @media (max-width: 992px) {
            .roles-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 576px) {
            .roles-grid {
                grid-template-columns: 1fr;
            }
        }

        .role-card {
            text-align: center;
            padding: 40px 20px;
            background: var(--white);
            border-radius: 32px;
            border: 1px solid var(--gray-200);
            transition: all 0.25s;
            box-shadow: var(--shadow-sm);
        }

        .role-card:hover {
            transform: translateY(-6px);
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
        }

        .role-card h5 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 12px;
            background: linear-gradient(105deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }

        .role-card p {
            color: var(--gray-600);
            font-weight: 500;
        }

        /* Section titles */
        .section-title {
            font-size: 2.8rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: 20px;
            color: var(--gray-900);
        }

        .section-subtitle {
            color: var(--gray-600);
            max-width: 640px;
            margin: 0 auto 64px auto;
            font-size: 1.1rem;
        }

        /* CTA Glassmorphic Premium */
        .cta {
            background: radial-gradient(ellipse at 30% 40%, #111827, #0B1120);
            border-radius: 48px;
            margin: 40px 0 80px 0;
            padding: 80px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.1);
            box-shadow: var(--shadow-xl);
        }

        .cta:before {
            content: '';
            position: absolute;
            top: -50%;
            left: -20%;
            width: 150%;
            height: 150%;
            background: radial-gradient(circle, rgba(45, 106, 255, 0.2) 0%, rgba(0, 0, 0, 0) 70%);
            pointer-events: none;
        }

        .cta h2 {
            font-size: 2.5rem;
            font-weight: 700;
            color: white;
            margin-bottom: 20px;
        }

        /* Footer */
        .footer {
            padding: 48px 0 40px;
            border-top: 1px solid var(--gray-200);
            color: var(--gray-500);
            text-align: center;
            font-size: 0.9rem;
        }

        /* Responsive */
        @media (max-width: 768px) {
            .container {
                padding: 0 24px;
            }

            .section-padding {
                padding: 80px 0;
            }

            .card {
                padding: 32px 24px;
            }

            .section-title {
                font-size: 2rem;
            }

            .cta {
                padding: 56px 24px;
            }

            .nav-actions .btn-google {
                padding: 8px 16px;
                font-size: 0.85rem;
            }

            .logo {
                font-size: 1.2rem;
                gap: 8px;
            }

            .logo-img {
                height: 30px;
            }
        }

        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }

            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .hero,
        .grid,
        .roles-grid,
        .cta {
            animation: fadeUp 0.6s ease-out forwards;
        }
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background-color: #25D366;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
  transition: all 0.3s ease;
  z-index: 9999;
  text-decoration: none;
}

.whatsapp-float:hover {
  transform: scale(1.08);
  background-color: #20b859;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
}

.whatsapp-float svg {
  width: 32px;
  height: 32px;
  fill: white;
}

/* Optional: responsive adjustment for mobile */
@media (max-width: 768px) {
  .whatsapp-float {
    width: 52px;
    height: 52px;
    bottom: 20px;
    right: 20px;
  }
  .whatsapp-float svg {
    width: 28px;
    height: 28px;
  }
}