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

        :root {
            --primary: #0052CC;
            --primary-dark: #0041A3;
            --secondary: #10B981;
            --accent: #FF6B35;
            --background: #FFFFFF;
            --foreground: #1F2937;
            --muted-foreground: #6B7280;
            --border: #E5E7EB;
            --blue-50: #EFF6FF;
            --green-50: #F0FDF4;
            --orange-50: #FFF7ED;
        }

        body {
            font-family: 'Inter', sans-serif;
            background-color: var(--background);
            color: var(--foreground);
            line-height: 1.6;
        }

        h1, h2, h3, h4, h5, h6 {
            font-family: 'Plus Jakarta Sans', sans-serif;
            font-weight: 700;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1rem;
        }

        @media (min-width: 768px) {
            .container {
                padding: 0 2rem;
            }
        }

        /* Header */
        header {
            position: sticky;
            top: 0;
            z-index: 50;
            background-color: var(--background);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
        }

        nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1rem 0;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .logo-icon {
            width: 32px;
            height: 32px;
            background-color: var(--primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: bold;
            font-size: 18px;
            font-family: 'Plus Jakarta Sans', sans-serif;
        }

        .logo-text {
            font-family: 'Plus Jakarta Sans', sans-serif;
            font-weight: bold;
            font-size: 18px;
            display: none;
        }

        @media (min-width: 640px) {
            .logo-text {
                display: inline;
            }
        }

        .nav-menu {
            display: none;
            align-items: center;
            gap: 2rem;
        }

        @media (min-width: 768px) {
            .nav-menu {
                display: flex;
            }
        }

        .nav-menu button {
            background: none;
            border: none;
            cursor: pointer;
            font-size: 14px;
            font-weight: 500;
            color: var(--foreground);
            transition: color 0.3s;
        }

        .nav-menu button:hover {
            color: var(--primary);
        }

        .nav-menu .contact-btn {
            background-color: var(--primary);
            color: white;
            padding: 0.5rem 1.5rem;
            border-radius: 8px;
            transition: background-color 0.3s;
        }

        .nav-menu .contact-btn:hover {
            background-color: var(--primary-dark);
        }

        .mobile-menu-btn {
            display: block;
            background: none;
            border: none;
            cursor: pointer;
            font-size: 24px;
        }

        @media (min-width: 768px) {
            .mobile-menu-btn {
                display: none;
            }
        }

        .mobile-menu {
            display: none;
            border-top: 1px solid var(--border);
            background-color: var(--background);
            padding: 1rem 0;
        }

        .mobile-menu.active {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .mobile-menu button {
            background: none;
            border: none;
            cursor: pointer;
            text-align: left;
            padding: 0.5rem 0;
            color: var(--foreground);
            font-weight: 500;
            transition: color 0.3s;
        }

        .mobile-menu button:hover {
            color: var(--primary);
        }

        /* Hero Section */
        .hero {
            background-color: var(--background);
            position: relative;
            overflow: hidden;
        }

        .hero-content {
            display: grid;
            grid-template-columns: 1fr;
            gap: 3rem;
            align-items: center;
            padding: 5rem 0;
        }

        @media (min-width: 768px) {
            .hero-content {
                grid-template-columns: 1fr 1fr;
                padding: 8rem 0;
            }
        }

        .hero-left {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
            z-index: 10;
        }

        .rch-logo {
            height: 80px;
            object-fit: contain;
        }

        .badge {
            display: inline-block;
            background-color: var(--blue-50);
            color: var(--primary);
            padding: 0.5rem 1rem;
            border-radius: 9999px;
            font-size: 14px;
            font-weight: 500;
            width: fit-content;
        }

        .hero-left h1 {
            font-size: 2rem;
            line-height: 1.2;
            color: var(--foreground);
        }

        @media (min-width: 768px) {
            .hero-left h1 {
                font-size: 3rem;
            }
        }

        .hero-left p {
            font-size: 1.125rem;
            color: var(--muted-foreground);
            max-width: 500px;
        }

        .hero-buttons {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            padding-top: 1rem;
        }

        @media (min-width: 640px) {
            .hero-buttons {
                flex-direction: row;
            }
        }

        .btn {
            padding: 0.75rem 2rem;
            border-radius: 8px;
            font-weight: 500;
            cursor: pointer;
            border: none;
            transition: all 0.3s;
            text-align: center;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
        }

        .btn-primary {
            background-color: var(--primary);
            color: white;
        }

        .btn-primary:hover {
            background-color: var(--primary-dark);
            transform: translateY(-2px);
        }

        .btn-secondary {
            border: 2px solid var(--primary);
            color: var(--primary);
            background-color: transparent;
        }

        .btn-secondary:hover {
            background-color: var(--blue-50);
        }

        .hero-right {
            position: relative;
            height: 400px;
            min-height: 400px;
        }

        @media (min-width: 768px) {
            .hero-right {
                height: 100%;
            }
        }

        .hero-right img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 8px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 384px;
            height: 384px;
            background-color: var(--blue-50);
            border-radius: 50%;
            margin-right: -192px;
            margin-top: -192px;
            opacity: 0.5;
            filter: blur(80px);
        }

        .hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 384px;
            height: 384px;
            background-color: var(--green-50);
            border-radius: 50%;
            margin-left: -192px;
            margin-bottom: -192px;
            opacity: 0.3;
            filter: blur(80px);
        }

        /* About Section */
        .about {
            background: linear-gradient(to bottom right, var(--blue-50), var(--background));
            padding: 5rem 0;
        }

        @media (min-width: 768px) {
            .about {
                padding: 8rem 0;
            }
        }

        .about-content {
            max-width: 900px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }

        .about-header h2 {
            font-size: 2rem;
            margin-bottom: 1rem;
        }

        @media (min-width: 768px) {
            .about-header h2 {
                font-size: 2.25rem;
            }
        }

        .about-header p {
            font-size: 1.125rem;
            color: var(--muted-foreground);
        }

        .about-text {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
            color: var(--foreground);
            line-height: 1.8;
        }

        .about-text p {
            font-size: 1rem;
        }

        .about-text strong {
            font-weight: 600;
        }

        .partners-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.5rem;
        }

        @media (min-width: 768px) {
            .partners-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        .partner-card {
            background-color: white;
            border: 2px solid;
            border-radius: 8px;
            padding: 1.5rem;
        }

        .partner-card.rittal {
            border-color: #FBBF24;
        }

        .partner-card.commbox {
            border-color: #86EFAC;
        }

        .partner-card h3 {
            font-size: 1.25rem;
            margin-bottom: 0.75rem;
        }

        .partner-card.rittal h3 {
            color: #B45309;
        }

        .partner-card.commbox h3 {
            color: #15803D;
        }

        .solutions-box {
            background-color: white;
            border-left: 4px solid var(--primary);
            border-radius: 8px;
            padding: 2rem;
        }

        .solutions-box h3 {
            font-size: 1.5rem;
            margin-bottom: 1.5rem;
        }

        .solutions-list {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
            list-style: none;
        }

        .solutions-list li {
            display: flex;
            gap: 0.75rem;
            align-items: flex-start;
        }

        .solutions-list strong {
            color: var(--primary);
            font-size: 1.125rem;
            flex-shrink: 0;
        }

        .advantages-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.5rem;
        }

        @media (min-width: 768px) {
            .advantages-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        .advantages-list {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .advantages-list h3 {
            font-size: 1.5rem;
            margin-bottom: 1rem;
        }

        .advantages-list li {
            display: flex;
            gap: 0.75rem;
            align-items: flex-start;
            list-style: none;
        }

        .advantages-list .check {
            color: var(--secondary);
            font-weight: bold;
            flex-shrink: 0;
        }

        .partner-ideal {
            background: linear-gradient(135deg, var(--primary), #0041A3);
            border-radius: 8px;
            padding: 2rem;
            color: white;
        }

        .partner-ideal h3 {
            font-size: 1.5rem;
            margin-bottom: 1rem;
            color: white;
        }

        .partner-ideal p {
            line-height: 1.8;
        }

        .partner-ideal p:last-child {
            margin-top: 1rem;
            font-weight: 500;
        }

        /* Ecosystem Section */
        .ecosystem {
            background-color: var(--background);
            padding: 5rem 0;
        }

        @media (min-width: 768px) {
            .ecosystem {
                padding: 8rem 0;
            }
        }

        .ecosystem-header {
            text-align: center;
            margin-bottom: 4rem;
        }

        .ecosystem-header h2 {
            font-size: 2rem;
            margin-bottom: 1rem;
        }

        @media (min-width: 768px) {
            .ecosystem-header h2 {
                font-size: 2.25rem;
            }
        }

        .ecosystem-header p {
            font-size: 1.125rem;
            color: var(--muted-foreground);
            max-width: 600px;
            margin: 0 auto;
        }

        .pillars-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
        }

        @media (min-width: 768px) {
            .pillars-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        .pillar-card {
            border: 2px solid;
            border-radius: 8px;
            padding: 2rem;
            transition: all 0.3s;
            cursor: pointer;
        }

        .pillar-card:hover {
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
            transform: translateY(-8px);
        }

        .pillar-card.assets {
            background-color: var(--blue-50);
            border-color: #BFDBFE;
        }

        .pillar-card.access {
            background-color: var(--green-50);
            border-color: #BBFBEE;
        }

        .pillar-card.infra {
            background-color: var(--orange-50);
            border-color: #FEDBA8;
        }

        .pillar-icon {
            width: 56px;
            height: 56px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 2px solid;
            margin-bottom: 1.5rem;
            font-size: 28px;
        }

        .pillar-card.assets .pillar-icon {
            background-color: var(--blue-50);
            border-color: #BFDBFE;
            color: #1E40AF;
        }

        .pillar-card.access .pillar-icon {
            background-color: var(--green-50);
            border-color: #BBFBEE;
            color: #065F46;
        }

        .pillar-card.infra .pillar-icon {
            background-color: var(--orange-50);
            border-color: #FEDBA8;
            color: #B45309;
        }

        .pillar-card h3 {
            font-size: 1.5rem;
            margin-bottom: 0.75rem;
        }

        .pillar-card.assets h3 {
            color: #1E40AF;
        }

        .pillar-card.access h3 {
            color: #065F46;
        }

        .pillar-card.infra h3 {
            color: #B45309;
        }

        .pillar-card p {
            margin-bottom: 1.5rem;
            color: var(--foreground);
        }

        .pillar-image {
            width: 100%;
            height: 192px;
            object-fit: cover;
            border-radius: 8px;
            margin-bottom: 1.5rem;
        }

        .logo-box {
            display: flex;
            justify-content: center;
            padding: 1rem;
            background-color: white;
            border-radius: 8px;
            border: 1px solid var(--border);
            margin-bottom: 1rem;
        }

        .logo-box img {
            height: 56px;
            object-fit: contain;
        }

        .solution-label {
            font-size: 0.875rem;
            font-weight: 500;
            color: var(--muted-foreground);
            margin-bottom: 0.5rem;
        }

        .solution-badge {
            display: inline-block;
            padding: 0.25rem 0.75rem;
            border-radius: 9999px;
            font-size: 0.875rem;
            font-weight: 500;
            border: 2px solid;
        }

        .pillar-card.assets .solution-badge {
            background-color: var(--blue-50);
            border-color: #BFDBFE;
            color: #1E40AF;
        }

        .pillar-card.access .solution-badge {
            background-color: var(--green-50);
            border-color: #BBFBEE;
            color: #065F46;
        }

        .pillar-card.infra .solution-badge {
            background-color: var(--orange-50);
            border-color: #FEDBA8;
            color: #B45309;
        }

        /* Contact Section */
        .contact {
            background: linear-gradient(to bottom, var(--background), var(--blue-50));
            padding: 5rem 0;
        }

        @media (min-width: 768px) {
            .contact {
                padding: 8rem 0;
            }
        }

        .contact-content {
            display: grid;
            grid-template-columns: 1fr;
            gap: 3rem;
            align-items: center;
        }

        @media (min-width: 768px) {
            .contact-content {
                grid-template-columns: 1fr 1fr;
            }
        }

        .contact-left {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }

        .contact-left h2 {
            font-size: 2rem;
            margin-bottom: 1rem;
        }

        @media (min-width: 768px) {
            .contact-left h2 {
                font-size: 2.25rem;
            }
        }

        .contact-info {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }

        .info-item {
            display: flex;
            gap: 1rem;
        }

        .info-icon {
            width: 48px;
            height: 48px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 24px;
            flex-shrink: 0;
        }

        .info-icon.phone {
            background-color: var(--primary);
        }

        .info-icon.email {
            background-color: var(--secondary);
        }

        .info-icon.whatsapp {
            background-color: #22C55E;
        }

        .info-item h3 {
            font-size: 1rem;
            margin-bottom: 0.25rem;
        }

        .info-item p {
            color: var(--muted-foreground);
            font-size: 0.95rem;
        }

        .director-card {
            background-color: var(--blue-50);
            border-left: 4px solid var(--primary);
            padding: 1.5rem;
            border-radius: 8px;
        }

        .director-card p:first-child {
            color: var(--foreground);
            font-weight: 500;
        }

        .director-card p:last-child {
            color: var(--muted-foreground);
            font-size: 0.875rem;
            margin-top: 0.5rem;
        }

        .contact-form {
            background-color: white;
            border-radius: 8px;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
            padding: 2rem;
            border: 1px solid var(--border);
        }

        .form-group {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }

        .form-field {
            display: flex;
            flex-direction: column;
        }

        .form-field label {
            font-size: 0.875rem;
            font-weight: 500;
            color: var(--foreground);
            margin-bottom: 0.5rem;
        }

        .form-field input,
        .form-field textarea {
            padding: 0.75rem 1rem;
            border: 1px solid var(--border);
            border-radius: 8px;
            font-family: inherit;
            font-size: 1rem;
            transition: all 0.3s;
        }

        .form-field input:focus,
        .form-field textarea:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(0, 82, 204, 0.1);
        }

        .form-field textarea {
            resize: none;
            min-height: 120px;
        }

        .submit-btn {
            width: 100%;
            padding: 0.75rem;
            background-color: var(--primary);
            color: white;
            border: none;
            border-radius: 8px;
            font-weight: 500;
            cursor: pointer;
            transition: background-color 0.3s;
        }

        .submit-btn:hover {
            background-color: var(--primary-dark);
        }

        .form-note {
            font-size: 0.75rem;
            color: var(--muted-foreground);
            text-align: center;
        }

        /* Footer */
        footer {
            background-color: var(--foreground);
            color: white;
            padding: 3rem 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
            margin-bottom: 3rem;
        }

        @media (min-width: 768px) {
            .footer-grid {
                grid-template-columns: repeat(4, 1fr);
            }
        }

        .footer-section h3 {
            font-size: 1rem;
            margin-bottom: 1rem;
            font-family: 'Plus Jakarta Sans', sans-serif;
        }

        .footer-section ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        .footer-section a {
            color: #D1D5DB;
            text-decoration: none;
            font-size: 0.875rem;
            transition: color 0.3s;
        }

        .footer-section a:hover {
            color: white;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            margin-bottom: 1rem;
        }

        .footer-logo-icon {
            width: 32px;
            height: 32px;
            background-color: var(--primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: bold;
            font-family: 'Plus Jakarta Sans', sans-serif;
        }

        .footer-brand span {
            font-family: 'Plus Jakarta Sans', sans-serif;
            font-weight: bold;
        }

        .footer-bottom {
            border-top: 1px solid #374151;
            padding-top: 2rem;
            display: flex;
            flex-direction: column;
            gap: 1rem;
            text-align: center;
            font-size: 0.875rem;
            color: #9CA3AF;
        }

        @media (min-width: 768px) {
            .footer-bottom {
                flex-direction: row;
                justify-content: space-between;
                text-align: left;
            }
        }

        /* Utilities */
        .text-center {
            text-align: center;
        }

        .hidden {
            display: none;
        }

        .visible {
            display: block;
        }

        /* Smooth scroll */
        html {
            scroll-behavior: smooth;
        }