/* ==========================================================================
           1. VARIÁVEIS & RESET (PALETA DE CORES E TIPOGRAFIA)
           ========================================================================== */
        :root {
            --bg-black: #000000;
            --voltz-orange: #FF6400;
            --bright-amber: #FF9000;
            --dark-charcoal: #262626;
            --pure-white: #FFFFFF;
            --gray-text: #A0A0A0;
            
            --font-display: 'Inter', sans-serif;
            --font-mono: 'JetBrains Mono', monospace;
            
            --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            background-color: var(--bg-black);
            color: var(--pure-white);
            font-family: var(--font-display);
            line-height: 1.6;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
        }

        ul {
            list-style: none;
        }

        /* ==========================================================================
           2. NAVEGAÇÃO / HEADER
           ========================================================================== */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background: rgba(0, 0, 0, 0.85);
            backdrop-filter: blur(12px);
            z-index: 1000;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .nav-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 1.2rem 2rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .brand {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        /* Isotipo Geométrico V-Lightning */

        .wordmark {
            display: flex;
            flex-direction: column;
            line-height: 0.9;
        }

        .wordmark .voltz {
            font-weight: 900;
            font-size: 1.4rem;
            letter-spacing: -0.05em; /* tight kerning */
            color: var(--pure-white);
        }

        .wordmark .studio {
            font-size: 0.65rem;
            font-weight: 700;
            letter-spacing: 0.35em;
            color: var(--voltz-orange);
            margin-top: 2px;
        }

        .nav-links {
            display: flex;
            gap: 2rem;
            align-items: center;
        }

        .nav-links a {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--white-text);
            transition: var(--transition);
        }

        .btn-cta-nav {
            background: var(--voltz-orange);
            color: var(--pure-white);
            padding: 0.6rem 1.2rem;
            border-radius: 4px;
            font-weight: 700;
            font-size: 0.85rem;
            transition: var(--transition);
            box-shadow: 0 0 15px rgba(255, 100, 0, 0.2);
        }

        .btn-cta-nav:hover {
            background: var(--bright-amber);
            box-shadow: 0 0 20px rgba(255, 144, 0, 0.5);
            transform: translateY(-1px);
        }

        /* ==========================================================================
           3. HERO SECTION
           ========================================================================== */
        .hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            padding: 8rem 2rem 4rem;
            position: relative;
            background: radial-gradient(circle at 80% 20%, rgba(255, 100, 0, 0.12) 0%, rgba(0, 0, 0, 0) 50%);
        }

        .hero-container {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 4rem;
            align-items: center;
        }

        .badge-tech {
            font-family: var(--font-mono);
            font-size: 0.8rem;
            color: var(--bright-amber);
            background: rgba(255, 144, 0, 0.1);
            border: 1px solid rgba(255, 144, 0, 0.2);
            padding: 0.4rem 0.8rem;
            border-radius: 4px;
            display: inline-block;
            margin-bottom: 1.5rem;
        }

        .hero h1 {
            font-size: 3.8rem;
            font-weight: 900;
            line-height: 1.05;
            letter-spacing: -0.03em;
            margin-bottom: 1.5rem;
        }

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

        .hero p {
            font-size: 1.15rem;
            color: var(--gray-text);
            margin-bottom: 2.5rem;
            max-width: 600px;
        }

        .hero-cta-group {
            display: flex;
            gap: 1rem;
            align-items: center;
        }

        .btn-primary {
            background: var(--voltz-orange);
            color: var(--pure-white);
            padding: 1rem 2rem;
            border-radius: 4px;
            font-weight: 700;
            font-size: 1rem;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
        }

        .btn-primary:hover {
            background: var(--bright-amber);
            transform: translateY(-2px);
            box-shadow: 0 10px 25px rgba(255, 100, 0, 0.3);
        }

        .btn-secondary {
            border: 1px solid var(--dark-charcoal);
            background: transparent;
            color: var(--pure-white);
            padding: 1rem 2rem;
            border-radius: 4px;
            font-weight: 700;
            font-size: 1rem;
            transition: var(--transition);
        }

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

        .hero-graphic {
            position: relative;
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .hero-graphic-bg {
            width: 300px;
            height: 300px;
            background: var(--dark-charcoal);
            border: 1px solid rgba(255, 100, 0, 0.3);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8);
            position: relative;
        }

        .hero-graphic-bg svg {
            width: 140px;
            height: 140px;
            stroke: var(--voltz-orange);
            filter: drop-shadow(0 0 15px rgba(255, 100, 0, 0.6));
        }

        /* ==========================================================================
           4. SEÇÃO DE SERVIÇOS & PACOTES
           ========================================================================== */
        .services-section {
            padding: 6rem 2rem;
            max-width: 1200px;
            margin: 0 auto;
        }

        .section-header {
            margin-bottom: 4rem;
        }

        .section-header h2 {
            font-size: 2.5rem;
            font-weight: 900;
            margin-bottom: 0.5rem;
        }

        .section-header p {
            color: var(--gray-text);
            font-size: 1.1rem;
        }

        .packages-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 2rem;
            margin-bottom: 4rem;
        }

        .package-card {
            background: var(--dark-charcoal);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: 8px;
            padding: 2.5rem;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            position: relative;
            transition: var(--transition);
        }

        .package-card:hover {
            border-color: var(--voltz-orange);
            transform: translateY(-5px);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
        }

        .package-card.featured {
            border-color: var(--bright-amber);
            background: linear-gradient(180deg, var(--dark-charcoal) 0%, rgba(38, 38, 38, 0.6) 100%);
        }

        .badge-featured {
            position: absolute;
            top: -12px;
            right: 20px;
            background: var(--bright-amber);
            color: var(--bg-black);
            font-size: 0.75rem;
            font-weight: 900;
            padding: 0.2rem 0.8rem;
            border-radius: 20px;
            text-transform: uppercase;
        }

        .package-title {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }

        .package-price {
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--voltz-orange);
            margin-bottom: 0.5rem;
        }

        .package-conditions {
            font-family: var(--font-mono);
            font-size: 0.8rem;
            color: var(--gray-text);
            margin-bottom: 1.5rem;
            padding-bottom: 1.5rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .package-features {
            margin-bottom: 2rem;
        }

        .package-features li {
            font-size: 0.95rem;
            color: var(--pure-white);
            margin-bottom: 0.8rem;
            display: flex;
            align-items: flex-start;
            gap: 10px;
        }

        .package-features li::before {
            content: "➔";
            color: var(--bright-amber);
            font-size: 0.8rem;
        }

        .package-deadline {
            font-family: var(--font-mono);
            font-size: 0.85rem;
            color: var(--bright-amber);
            margin-bottom: 1.5rem;
        }

        /* Lista Secundária de Serviços (Avulsos) */
        .services-subgrid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
        }

        .service-category {
            background: rgba(38, 38, 38, 0.4);
            border: 1px solid rgba(255, 255, 255, 0.05);
            padding: 2rem;
            border-radius: 8px;
        }

        .service-category h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--bright-amber);
            margin-bottom: 1.5rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }

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

        .item-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-bottom: 0.8rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .item-row:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        .item-name {
            font-weight: 500;
        }

        .item-meta {
            text-align: right;
        }

        .item-price {
            font-family: var(--font-mono);
            font-weight: 700;
            color: var(--pure-white);
        }

        .item-time {
            font-family: var(--font-mono);
            font-size: 0.75rem;
            color: var(--gray-text);
            display: block;
        }

        /* ==========================================================================
           5. SOBRE & POSICIONAMENTO
           ========================================================================== */
        .about-section {
            padding: 6rem 2rem;
            background: var(--dark-charcoal);
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .about-container {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1fr;
            gap: 4rem;
            align-items: center;
        }

        .about-content h2 {
            font-size: 2.5rem;
            font-weight: 900;
            margin-bottom: 1.5rem;
        }

        .about-content p {
            color: var(--gray-text);
            margin-bottom: 1.5rem;
            font-size: 1.05rem;
        }

        .attributes-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1rem;
            margin-top: 2rem;
        }

        .attr-card {
            background: rgba(0, 0, 0, 0.4);
            padding: 1rem;
            border-left: 3px solid var(--voltz-orange);
            font-size: 0.9rem;
        }

        .attr-card strong {
            display: block;
            color: var(--pure-white);
            margin-bottom: 0.2rem;
        }

        /* ==========================================================================
           6. CONTATO / FOOTER
           ========================================================================== */
        footer {
            padding: 6rem 2rem 2rem;
            max-width: 1200px;
            margin: 0 auto;
        }

        .footer-cta {
            text-align: center;
            background: radial-gradient(circle, rgba(255,100,0,0.15) 0%, rgba(0,0,0,0) 70%);
            padding: 4rem 2rem;
            border-radius: 12px;
            border: 1px solid rgba(255, 100, 0, 0.2);
            margin-bottom: 4rem;
        }

        .footer-cta h2 {
            font-size: 2.8rem;
            font-weight: 900;
            margin-bottom: 1rem;
        }

        .footer-cta p {
            color: var(--gray-text);
            max-width: 600px;
            margin: 0 auto 2rem;
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            font-size: 0.85rem;
            color: var(--gray-text);
        }

        /* ==========================================================================
           7. RESPONSIVIDADE
           ========================================================================== */
        @media (max-width: 900px) {
            .hero-container,
            .about-container,
            .services-subgrid {
                grid-template-columns: 1fr;
            }

            .hero h1 {
                font-size: 2.8rem;
            }

            .hero-graphic {
                display: none;
            }

            .nav-links {
                display: none; /* Em produção, adicione menu hamburguer se necessário */
            }
        }