:root {
        --color-primary: #1a1a1a;
        --color-secondary: #f5f5f0;
        --color-accent: #d4af37;
        --color-text: #2d2d2d;
        --color-text-light: #6b6b6b;
        --font-display: "Cormorant Garamond", serif;
        --font-body: "Work Sans", sans-serif;
        --spacing-xs: 0.5rem;
        --spacing-sm: 1rem;
        --spacing-md: 2rem;
        --spacing-lg: 4rem;
        --spacing-xl: 6rem;
      }

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

      body {
        font-family: var(--font-body);
        color: var(--color-text);
        line-height: 1.6;
        background: var(--color-secondary);
        overflow-x: hidden;
      }

      .container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 2rem;
      }

      /* Header */
      header {
        position: fixed;
        top: 0;
        width: 100%;
        background: rgba(245, 245, 240, 0.95);
        backdrop-filter: saturate(180%) blur(10px);
        z-index: 1000;
        border-bottom: 1px solid rgba(26, 26, 26, 0.1);
      }

      nav {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 1.5rem 2rem;
        max-width: 1200px;
        margin: 0 auto;
      }

      .logo {
        font-family: var(--font-display);
        font-size: 1.8rem;
        font-weight: 600;
        color: var(--color-primary);
        letter-spacing: -0.02em;
      }

      .nav-links {
        display: flex;
        gap: 2.5rem;
        list-style: none;
      }

      .nav-links a {
        color: var(--color-text);
        text-decoration: none;
        font-size: 0.95rem;
        font-weight: 400;
        letter-spacing: 0.02em;
        transition: color 0.3s ease;
        position: relative;
      }

      .nav-links a::after {
        content: "";
        position: absolute;
        bottom: -4px;
        left: 0;
        width: 0;
        height: 1px;
        background: var(--color-accent);
        transition: width 0.3s ease;
      }

      .nav-links a:hover::after {
        width: 100%;
      }

      /* Hero Section */
      .hero {
        min-height: 100vh;
        display: flex;
        align-items: center;
        padding-top: 80px;
      }

      .hero-content {
        max-width: 800px;
      }

      .hero-subtitle {
        font-size: 0.9rem;
        letter-spacing: 0.15em;
        text-transform: uppercase;
        color: var(--color-text-light);
        margin-bottom: 1rem;
        font-weight: 400;
      }

      .hero-title {
        font-family: var(--font-display);
        font-size: clamp(3rem, 8vw, 5.5rem);
        font-weight: 400;
        line-height: 1.1;
        color: var(--color-primary);
        margin-bottom: 1.5rem;
        letter-spacing: -0.02em;
      }

      .hero-description {
        font-size: 1.1rem;
        color: var(--color-text-light);
        margin-bottom: 2.5rem;
        line-height: 1.8;
        font-weight: 300;
      }

      .cta-button {
        display: inline-block;
        padding: 1rem 2.5rem;
        background: var(--color-primary);
        color: var(--color-secondary);
        text-decoration: none;
        font-size: 0.95rem;
        letter-spacing: 0.05em;
        transition: all 0.3s ease;
        border: 1px solid var(--color-primary);
        font-weight: 400;
      }

      .cta-button:hover {
        background: transparent;
        color: var(--color-primary);
      }

      /* Services Section */
      .services {
        padding: var(--spacing-xl) 0;
        background: white;
      }

      .section-header {
        text-align: center;
        margin-bottom: var(--spacing-lg);
      }

      .section-subtitle {
        font-size: 0.85rem;
        letter-spacing: 0.15em;
        text-transform: uppercase;
        color: var(--color-accent);
        margin-bottom: 0.5rem;
      }

      .section-title {
        font-family: var(--font-display);
        font-size: clamp(2.5rem, 5vw, 3.5rem);
        font-weight: 400;
        color: var(--color-primary);
        letter-spacing: -0.02em;
      }

      .services-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 3rem;
        margin-top: var(--spacing-lg);
      }

      .service-card {
        padding: 2.5rem 2rem;
        border: 1px solid rgba(26, 26, 26, 0.1);
        transition: all 0.3s ease;
      }

      .service-card:hover {
        border-color: var(--color-accent);
        transform: translateY(-5px);
      }

      .service-number {
        font-family: var(--font-display);
        font-size: 3rem;
        color: var(--color-accent);
        opacity: 0.3;
        font-weight: 300;
      }

      .service-title {
        font-family: var(--font-display);
        font-size: 1.8rem;
        margin: 1rem 0;
        font-weight: 500;
      }

      .service-description {
        color: var(--color-text-light);
        line-height: 1.7;
        font-size: 0.95rem;
        font-weight: 300;
      }

      /* E-commerce Section */
      .ecommerce {
        padding: var(--spacing-xl) 0;
        background: var(--color-primary);
        color: var(--color-secondary);
      }

      .ecommerce .section-subtitle {
        color: var(--color-accent);
      }

      .ecommerce .section-title {
        color: var(--color-secondary);
      }

      .ecommerce-content {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 4rem;
        margin-top: var(--spacing-lg);
        align-items: center;
      }

      .benefits-list {
        list-style: none;
      }

      .benefits-list li {
        padding: 1rem 0;
        border-bottom: 1px solid rgba(245, 245, 240, 0.1);
        display: flex;
        align-items: center;
        gap: 1rem;
        font-weight: 300;
      }

      .benefits-list li::before {
        content: "→";
        color: var(--color-accent);
        font-size: 1.2rem;
      }

      /* Tools Section */
      .tools {
        padding: var(--spacing-xl) 0;
        background: white;
      }

      .tools-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 2rem;
        margin-top: var(--spacing-lg);
      }

      .tool-item {
        padding: 2rem;
        border: 1px solid rgba(26, 26, 26, 0.1);
        text-align: center;
        transition: all 0.3s ease;
      }

      .tool-item:hover {
        border-color: var(--color-accent);
      }

      .tool-name {
        font-family: var(--font-display);
        font-size: 1.3rem;
        margin-bottom: 0.5rem;
        font-weight: 500;
      }

      .tool-description {
        font-size: 0.9rem;
        color: var(--color-text-light);
        font-weight: 300;
      }

      /* Contact Section */
      .contact {
        padding: var(--spacing-xl) 0;
        background: var(--color-secondary);
      }

      .contact-content {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 4rem;
        margin-top: var(--spacing-lg);
      }

      .contact-info h3 {
        font-family: var(--font-display);
        font-size: 1.8rem;
        margin-bottom: 2rem;
        font-weight: 500;
      }

      .info-item {
        margin-bottom: 2rem;
      }

      .info-label {
        font-size: 0.85rem;
        letter-spacing: 0.1em;
        text-transform: uppercase;
        color: var(--color-text-light);
        margin-bottom: 0.5rem;
      }

      .info-value {
        font-size: 1rem;
        color: var(--color-text);
      }

      .info-value a {
        color: var(--color-text);
        text-decoration: none;
        transition: color 0.3s ease;
      }

      .info-value a:hover {
        color: var(--color-accent);
      }

      /* Form */
      .contact-form {
        background: white;
        padding: 3rem;
        border: 1px solid rgba(26, 26, 26, 0.1);
        box-shadow: 0 4px 20px rgba(26, 26, 26, 0.05);
        position: relative;
      }

      .form-step {
        display: none;
      }

      .form-step.active {
        display: block;
        animation: slideIn 0.4s ease;
      }

      @keyframes slideIn {
        from {
          opacity: 0;
          transform: translateX(20px);
        }
        to {
          opacity: 1;
          transform: translateX(0);
        }
      }

      .form-progress {
        display: flex;
        gap: 0.5rem;
        margin-bottom: 2rem;
      }

      .progress-dot {
        flex: 1;
        height: 3px;
        background: rgba(26, 26, 26, 0.1);
        transition: all 0.3s ease;
      }

      .progress-dot.active {
        background: var(--color-accent);
      }

      .form-step-title {
        font-family: var(--font-display);
        font-size: 1.5rem;
        margin-bottom: 0.5rem;
        font-weight: 500;
        color: var(--color-primary);
      }

      .form-step-subtitle {
        font-size: 0.9rem;
        color: var(--color-text-light);
        margin-bottom: 2rem;
        font-weight: 300;
      }

      .form-group {
        margin-bottom: 1.5rem;
      }

      .form-group label {
        display: block;
        font-size: 0.85rem;
        letter-spacing: 0.05em;
        margin-bottom: 0.75rem;
        color: var(--color-text);
        font-weight: 500;
      }

      .form-group input,
      .form-group textarea,
      .form-group select {
        width: 100%;
        padding: 1rem;
        border: 2px solid rgba(26, 26, 26, 0.1);
        background: var(--color-secondary);
        font-family: var(--font-body);
        font-size: 0.95rem;
        transition: all 0.3s ease;
        font-weight: 300;
      }

      .form-group input:focus,
      .form-group textarea:focus,
      .form-group select:focus {
        outline: none;
        border-color: var(--color-accent);
        box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.1);
      }

      .form-group textarea {
        resize: vertical;
        min-height: 120px;
      }

      .form-group.error input,
      .form-group.error textarea,
      .form-group.error select {
        border-color: #e74c3c;
      }

      .error-message {
        color: #e74c3c;
        font-size: 0.8rem;
        margin-top: 0.5rem;
        display: none;
      }

      .form-group.error .error-message {
        display: block;
      }

      /* Checkbox options */
      .checkbox-group {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 1rem;
        margin-top: 1rem;
      }

      .checkbox-option {
        position: relative;
      }

      .checkbox-option input[type="checkbox"] {
        position: absolute;
        opacity: 0;
        width: 0;
        height: 0;
      }

      .checkbox-label {
        display: flex;
        align-items: center;
        padding: 1rem;
        border: 2px solid rgba(26, 26, 26, 0.1);
        background: white;
        cursor: pointer;
        transition: all 0.3s ease;
        font-size: 0.9rem;
      }

      .checkbox-option input[type="checkbox"]:checked + .checkbox-label {
        border-color: var(--color-accent);
        background: rgba(212, 175, 55, 0.05);
      }

      .checkbox-label::before {
        content: "";
        display: inline-block;
        width: 20px;
        height: 20px;
        border: 2px solid rgba(26, 26, 26, 0.2);
        margin-right: 0.75rem;
        transition: all 0.3s ease;
      }

      .checkbox-option
        input[type="checkbox"]:checked
        + .checkbox-label::before {
        background: var(--color-accent);
        border-color: var(--color-accent);
        background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3'%3E%3Cpolyline points='20 6 9 17 4 12'%3E%3C/polyline%3E%3C/svg%3E");
        background-size: 14px;
        background-position: center;
        background-repeat: no-repeat;
      }

      .radio-group {
        display: grid;
        gap: 1rem;
        margin-top: 1rem;
      }

      .radio-option {
        position: relative;
      }

      .radio-option input[type="radio"] {
        position: absolute;
        opacity: 0;
      }

      .radio-label {
        display: block;
        padding: 1.25rem;
        border: 2px solid rgba(26, 26, 26, 0.1);
        background: white;
        cursor: pointer;
        transition: all 0.3s ease;
        position: relative;
        padding-left: 3.5rem;
      }

      .radio-label::before {
        content: "";
        position: absolute;
        left: 1.25rem;
        top: 50%;
        transform: translateY(-50%);
        width: 22px;
        height: 22px;
        border: 2px solid rgba(26, 26, 26, 0.2);
        border-radius: 50%;
        transition: all 0.3s ease;
      }

      .radio-label::after {
        content: "";
        position: absolute;
        left: 1.65rem;
        top: 50%;
        transform: translateY(-50%) scale(0);
        width: 10px;
        height: 10px;
        background: var(--color-accent);
        border-radius: 50%;
        transition: all 0.3s ease;
      }

      .radio-option input[type="radio"]:checked + .radio-label {
        border-color: var(--color-accent);
        background: rgba(212, 175, 55, 0.05);
      }

      .radio-option input[type="radio"]:checked + .radio-label::before {
        border-color: var(--color-accent);
      }

      .radio-option input[type="radio"]:checked + .radio-label::after {
        transform: translateY(-50%) scale(1);
      }

      .radio-label-title {
        font-weight: 500;
        color: var(--color-primary);
        margin-bottom: 0.25rem;
      }

      .radio-label-desc {
        font-size: 0.85rem;
        color: var(--color-text-light);
      }

      /* Honeypot - campo oculto para bots */
      .honeypot {
        position: absolute;
        left: -9999px;
        width: 1px;
        height: 1px;
        opacity: 0;
      }

      .form-buttons {
        display: flex;
        gap: 1rem;
        margin-top: 2rem;
      }

      .submit-button,
      .next-button,
      .back-button-form {
        flex: 1;
        padding: 1rem;
        background: var(--color-primary);
        color: var(--color-secondary);
        border: 2px solid var(--color-primary);
        font-size: 0.95rem;
        letter-spacing: 0.05em;
        cursor: pointer;
        transition: all 0.3s ease;
        font-family: var(--font-body);
        font-weight: 400;
      }

      .back-button-form {
        background: transparent;
        color: var(--color-primary);
      }

      .submit-button:hover,
      .next-button:hover {
        background: transparent;
        color: var(--color-primary);
        transform: translateY(-2px);
        box-shadow: 0 4px 12px rgba(26, 26, 26, 0.15);
      }

      .back-button-form:hover {
        background: var(--color-primary);
        color: var(--color-secondary);
      }

      .submit-button:disabled,
      .next-button:disabled {
        opacity: 0.5;
        cursor: not-allowed;
        transform: none;
      }

      /* Footer */
      footer {
        padding: 3rem 0;
        background: var(--color-primary);
        color: var(--color-secondary);
        text-align: center;
      }

      .footer-content {
        font-size: 0.9rem;
        font-weight: 300;
      }

      /* Responsive */
      @media (max-width: 768px) {
        .nav-links {
          display: none;
        }

        .hero-title {
          font-size: 2.5rem;
        }

        .ecommerce-content,
        .contact-content {
          grid-template-columns: 1fr;
          gap: 2rem;
        }

        .services-grid {
          grid-template-columns: 1fr;
        }

        .tools-grid {
          grid-template-columns: 1fr;
        }
      }

      /* Animation on scroll */
      .fade-in {
        opacity: 0;
        transform: translateY(20px);
        animation: fadeInUp 0.8s ease forwards;
      }

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

      .delay-1 {
        animation-delay: 0.1s;
      }
      .delay-2 {
        animation-delay: 0.2s;
      }
      .delay-3 {
        animation-delay: 0.3s;
      }