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

        :root {
            --bg: #0f172a;
            --bg-card: #1e293b;
            --bg-card-hover: #293548;
            --accent: #38bdf8;
            --accent-dim: rgba(56, 189, 248, 0.15);
            --coral: #f87171;
            --green: #4ade80;
            --text: #e2e8f0;
            --text-dim: #94a3b8;
            --border: #334155;
        }

        body {
            font-family: 'Segoe UI', system-ui, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.6;
            min-height: 100vh;
        }

        nav {
            position: fixed;
            top: 0;
            width: 100%;
            z-index: 100;
            background: rgba(15, 23, 42, 0.85);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            padding: 1rem 0;
        }

        nav .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--accent);
            letter-spacing: -0.5px;
        }

        .nav-links {
            display: flex;
            gap: 2rem;
            list-style: none;
        }

        .nav-links a {
            color: var(--text-dim);
            text-decoration: none;
            font-size: 0.9rem;
            transition: color 0.3s;
        }

        .nav-links a:hover {
            color: var(--accent);
        }

        .container {
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            padding-top: 60px;
        }

        .hero-content {
            width: 100%;
        }

        .hero-tag {
            display: inline-block;
            background: var(--accent-dim);
            color: var(--accent);
            padding: 0.4rem 1rem;
            border-radius: 50px;
            font-size: 0.85rem;
            margin-bottom: 1.5rem;
            border: 1px solid rgba(56, 189, 248, 0.3);
        }

        .hero h1 {
            font-size: 3.5rem;
            font-weight: 700;
            line-height: 1.15;
            margin-bottom: 1rem;
            letter-spacing: -1.5px;
        }

        .hero h1 span {
            color: var(--accent);
        }

        .hero p {
            color: var(--text-dim);
            font-size: 1.15rem;
            max-width: 550px;
            margin-bottom: 2rem;
        }

        .hero-buttons {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }

        .btn-primary {
            background: var(--accent);
            color: #0f172a;
            padding: 0.75rem 1.8rem;
            border-radius: 8px;
            text-decoration: none;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all 0.3s;
        }

        .btn-primary:hover {
            background: #7dd3fc;
            transform: translateY(-2px);
        }

        .btn-secondary {
            border: 1px solid var(--border);
            color: var(--text);
            padding: 0.75rem 1.8rem;
            border-radius: 8px;
            text-decoration: none;
            font-size: 0.95rem;
            transition: all 0.3s;
        }

        .btn-secondary:hover {
            border-color: var(--accent);
            color: var(--accent);
        }

        .section-label {
            color: var(--accent);
            font-size: 0.85rem;
            text-transform: uppercase;
            letter-spacing: 2px;
            margin-bottom: 0.5rem;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
            letter-spacing: -0.5px;
        }

        .section-sub {
            color: var(--text-dim);
            margin-bottom: 3rem;
            max-width: 550px;
        }

        .about {
            padding: 6rem 0;
        }

        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            align-items: start;
        }

        .about-text p {
            color: var(--text-dim);
            margin-bottom: 1rem;
            line-height: 1.8;
        }

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

        .stat-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 1.5rem;
            transition: border-color 0.3s;
        }

        .stat-card:hover {
            border-color: var(--accent);
        }

        .stat-number {
            font-size: 2rem;
            font-weight: 700;
            color: var(--accent);
        }

        .stat-label {
            color: var(--text-dim);
            font-size: 0.85rem;
            margin-top: 0.25rem;
        }

        .tech {
            padding: 5rem 0;
            border-top: 1px solid var(--border);
        }

        .tech-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 1rem;
        }

        .tech-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 1.25rem 1.5rem;
            display: flex;
            align-items: center;
            gap: 1rem;
            transition: all 0.3s;
        }

        .tech-card:hover {
            border-color: var(--accent);
            background: var(--bg-card-hover);
        }

        .tech-icon {
            font-size: 1.5rem;
        }

        .tech-card h4 {
            font-size: 0.95rem;
            font-weight: 600;
        }

        .tech-card p {
            color: var(--text-dim);
            font-size: 0.8rem;
            margin-top: 2px;
        }

        .projects {
            padding: 5rem 0;
            border-top: 1px solid var(--border);
        }

        .project-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 16px;
            overflow: hidden;
            margin-bottom: 1.5rem;
            transition: border-color 0.3s;
        }

        .project-card:hover {
            border-color: var(--accent);
        }

        .project-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
        }

        .project-preview {
            height: 280px;
            background: linear-gradient(135deg, #1a2940 0%, #2a1f3d 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            overflow: hidden;
        }

        .project-preview .preview-text {
            color: var(--text-dim);
            font-size: 0.85rem;
            text-align: center;
            z-index: 1;
        }

        .preview-circles {
            position: absolute;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            opacity: 0.15;
        }

        .c1 {
            background: var(--accent);
            top: -40px;
            left: -40px;
        }

        .c2 {
            background: var(--coral);
            bottom: -60px;
            right: -60px;
            width: 250px;
            height: 250px;
        }

        .c3 {
            background: var(--green);
            bottom: 20px;
            left: 40%;
            width: 100px;
            height: 100px;
        }

        .project-info {
            padding: 2rem;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .project-tag {
            display: inline-block;
            background: var(--accent-dim);
            color: var(--accent);
            font-size: 0.75rem;
            padding: 0.3rem 0.8rem;
            border-radius: 50px;
            margin-bottom: 1rem;
            width: fit-content;
        }

        .project-info h3 {
            font-size: 1.4rem;
            margin-bottom: 0.5rem;
        }

        .project-info p {
            color: var(--text-dim);
            font-size: 0.9rem;
            margin-bottom: 1rem;
            line-height: 1.7;
        }

        .project-tags {
            display: flex;
            gap: 0.5rem;
            flex-wrap: wrap;
            margin-top: 1rem;
        }

        .tag {
            background: var(--bg);
            border: 1px solid var(--border);
            color: var(--text-dim);
            padding: 0.25rem 0.7rem;
            border-radius: 6px;
            font-size: 0.75rem;
        }

        .services {
            padding: 5rem 0;
            border-top: 1px solid var(--border);
        }

        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 1.5rem;
        }

        .service-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 2rem;
            transition: all 0.3s;
        }

        .service-card:hover {
            border-color: var(--accent);
            transform: translateY(-3px);
        }

        .service-icon {
            font-size: 2rem;
            margin-bottom: 1rem;
        }

        .service-card h3 {
            font-size: 1.1rem;
            margin-bottom: 0.5rem;
        }

        .service-card p {
            color: var(--text-dim);
            font-size: 0.88rem;
            line-height: 1.7;
        }

        .service-price {
            margin-top: 1.2rem;
            color: var(--accent);
            font-weight: 600;
            font-size: 0.9rem;
        }

        .contact {
            padding: 5rem 0 6rem;
            border-top: 1px solid var(--border);
        }

        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
        }

        .contact-info h3 {
            font-size: 1.6rem;
            margin-bottom: 0.75rem;
        }

        .contact-info p {
            color: var(--text-dim);
            margin-bottom: 2rem;
            line-height: 1.8;
        }

        .contact-detail {
            display: flex;
            align-items: center;
            gap: 1rem;
            margin-bottom: 1rem;
        }

        .contact-detail .icon {
            width: 42px;
            height: 42px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
        }

        .contact-detail span {
            color: var(--text-dim);
            font-size: 0.9rem;
        }

        .contact-detail a {
            color: var(--accent);
            text-decoration: none;
            font-size: 0.9rem;
        }

        .contact-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1rem;
        }

        .form-group {
            display: flex;
            flex-direction: column;
            gap: 0.4rem;
        }

        .form-group label {
            font-size: 0.82rem;
            color: var(--text-dim);
        }

        .form-group input,
        .form-group textarea {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 8px;
            padding: 0.75rem 1rem;
            color: var(--text);
            font-size: 0.9rem;
            transition: border-color 0.3s;
            font-family: inherit;
        }

        .form-group input:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: var(--accent);
        }

        .form-group textarea {
            min-height: 110px;
            resize: vertical;
        }

        .form-submit {
            background: var(--accent);
            color: #0f172a;
            border: none;
            padding: 0.85rem;
            border-radius: 8px;
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
            margin-top: 0.5rem;
        }

        .form-submit:hover {
            background: #7dd3fc;
            transform: translateY(-2px);
        }

        .success-msg {
            display: none;
            background: rgba(74, 222, 128, 0.1);
            border: 1px solid rgba(74, 222, 128, 0.3);
            border-radius: 8px;
            padding: 1rem;
            color: var(--green);
            text-align: center;
            font-size: 0.9rem;
        }

        footer {
            border-top: 1px solid var(--border);
            padding: 2rem 0;
            text-align: center;
            color: var(--text-dim);
            font-size: 0.82rem;
        }

        .whatsapp-float {
            position: fixed;
            bottom: 30px;
            right: 30px;
            background: #25D366;
            color: white;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.7rem;
            box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
            text-decoration: none;
            transition: all 0.3s;
            z-index: 100;
        }

        .whatsapp-float:hover {
            transform: scale(1.1);
        }

        @media (max-width: 768px) {
            .hero h1 {
                font-size: 2.4rem;
            }

            .hero p {
                font-size: 1.1rem;
            }

            .about-grid,
            .project-grid,
            .contact-grid {
                grid-template-columns: 1fr;
            }

            .project-preview {
                height: 180px;
            }

            .form-row {
                grid-template-columns: 1fr;
            }

            .nav-links {
                gap: 1rem;
                font-size: 0.82rem;
            }
        }