/**
 * RESPONSIVE STYLES
 */

@media (max-width: 1024px) {
    .main-grid {
        grid-template-columns: 1fr;
    }
    
    .sidebar {
        position: static;
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 24px;
    }
    
    .container {
        padding: 40px 32px;
    }
    
    .card {
        padding: 40px 32px;
    }

    /* ==================== HERO - TABLET ==================== */
    .hero {
        padding: 60px 32px 80px;
    }

    .hero h1 {
        font-size: 2.8em;
        line-height: 1.15;
        margin-bottom: 16px;
    }

    .hero-subtitle {
        font-size: 1.25em;
        line-height: 1.5;
        margin-bottom: 32px;
    }

    .cta-button {
        font-size: 1.1em;
        padding: 16px 36px;
        margin-bottom: 40px;
    }

    .hero-stats {
        flex-direction: row;
        gap: 40px;
        margin-top: 40px;
    }

    .stat-number {
        font-size: 2.2em;
    }

    .stat-label {
        font-size: 0.95em;
    }

    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .container {
        padding: 24px 20px;
    }
    
    .card {
        padding: 24px 20px;
        border-radius: 16px;
    }

    /* ==================== HERO - MOBILE GRANDE ==================== */
    .hero {
        padding: 50px 20px 60px;
    }

    .hero-content {
        max-width: 100%;
    }

    .hero h1 {
        font-size: 2em;
        line-height: 1.2;
        margin-bottom: 12px;
    }
    
    .hero-subtitle {
        font-size: 1em;
        line-height: 1.5;
        margin-bottom: 24px;
    }

    .cta-button {
        font-size: 1em;
        padding: 14px 28px;
        margin-bottom: 32px;
        display: inline-block;
    }
    
    .hero-stats {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 30px;
        justify-content: center;
        margin-top: 32px;
    }

    .stat-item {
        flex: 0 1 auto;
        min-width: 100px;
    }

    .stat-number {
        font-size: 2em;
        margin-bottom: 6px;
    }

    .stat-label {
        font-size: 0.9em;
    }

    h2 {
        font-size: 1.8em;
    }
    
    h3 {
        font-size: 1.4em;
        margin: 30px 0 16px;
    }

    /* ==================== BENEFITS GRID - TABLET ==================== */
    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .benefit-card {
        padding: 20px 16px;
        border-radius: 12px;
    }

    .benefit-card::before {
        width: 3px;
    }

    .benefit-icon {
        font-size: 2em;
        margin-bottom: 10px;
    }

    .benefit-card h4 {
        font-size: 1.1em;
        margin-bottom: 8px;
    }

    .benefit-card p {
        font-size: 0.9em;
        line-height: 1.5;
    }

    .calculator-wrapper {
        padding: 24px 20px;
    }

    .tab-buttons {
        flex-direction: column;
        gap: 10px;
        padding: 12px;
    }
    
    .tab-button {
        padding: 16px 20px;
        font-size: 1em;
    }

    .tab-content {
        padding: 24px 20px;
    }

    .tab-content h3 {
        margin-top: 0;
    }

    .input-row {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .input-group {
        margin-bottom: 20px;
    }

    label {
        font-size: 0.95em;
        margin-bottom: 8px;
    }

    input[type="number"],
    select {
        font-size: 16px !important;
        padding: 14px 16px;
    }

    .calculate-btn {
        padding: 16px 20px;
        font-size: 1.1em;
        margin-top: 20px;
    }

    .results {
        padding: 24px 20px;
    }

    .results h3 {
        margin-top: 0;
    }

    .result-item {
        flex-direction: column;
        align-items: flex-start;
        padding: 14px 0;
        margin: 8px 0;
        background: transparent;
        border: none;
        border-bottom: 1px solid var(--border);
    }

    .result-item:last-child {
        border-bottom: none;
    }

    .result-label {
        font-size: 0.95em;
        margin-bottom: 6px;
        font-weight: 600;
    }

    .result-value {
        font-size: 1.4em;
    }

    .highlight-box {
        padding: 32px 20px;
    }

    .highlight-box h3 {
        font-size: 1.5em;
    }

    .manual-step {
        padding: 20px 20px;
    }

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

    .sidebar-widget {
        padding: 20px 20px;
    }

    .sidebar-link {
        padding: 12px 14px;
        font-size: 0.95em;
    }

    .adsense-container {
        padding: 16px;
        min-height: 80px !important;
    }

    footer {
        padding: 40px 20px 30px;
    }

    .footer-content p {
        font-size: 1em;
    }
}

@media (max-width: 480px) {
    /* ==================== HERO - MOBILE PICCOLO ==================== */
    .hero {
        padding: 40px 16px 50px;
    }

    .hero-content {
        max-width: 100%;
    }

    .hero h1 {
        font-size: 1.6em;
        line-height: 1.2;
        margin-bottom: 10px;
        font-weight: 800;
    }
    
    .hero-subtitle {
        font-size: 0.95em;
        line-height: 1.4;
        margin-bottom: 20px;
    }

    .cta-button {
        font-size: 0.95em;
        padding: 12px 24px;
        margin-bottom: 28px;
        display: inline-block;
    }

    .hero-stats {
        flex-direction: column;
        gap: 20px;
        margin-top: 28px;
        align-items: center;
    }

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

    .stat-number {
        font-size: 1.6em;
        margin-bottom: 4px;
    }

    .stat-label {
        font-size: 0.8em;
    }

    h2 {
        font-size: 1.5em;
        line-height: 1.3;
    }

    h3 {
        font-size: 1.2em;
        margin: 24px 0 12px;
    }

    h4 {
        font-size: 1.05em;
    }

    .container {
        padding: 20px 16px;
    }

    .card {
        padding: 20px 16px;
        margin-bottom: 20px;
    }

    /* ==================== BENEFITS GRID - MOBILE ==================== */
    .benefits-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .benefit-card {
        padding: 18px 14px;
        border-radius: 10px;
    }

    .benefit-card::before {
        width: 3px;
    }

    .benefit-icon {
        font-size: 1.8em;
        margin-bottom: 8px;
    }

    .benefit-card h4 {
        font-size: 1.05em;
        margin-bottom: 6px;
        color: var(--text-dark);
    }

    .benefit-card p {
        font-size: 0.85em;
        line-height: 1.4;
        color: var(--text-gray);
    }

    .calculator-wrapper {
        padding: 20px 16px;
    }

    .tab-buttons {
        flex-direction: column;
        gap: 8px;
        padding: 8px;
    }

    .tab-button {
        padding: 14px 16px;
        font-size: 0.95em;
    }

    .tab-content {
        padding: 20px 16px;
    }

    .tab-content h3 {
        font-size: 1.2em;
        margin-top: 0;
    }

    .input-row {
        grid-template-columns: 1fr;
        gap: 14px;
    }

    .input-group {
        margin-bottom: 16px;
    }

    label {
        font-size: 0.9em;
        margin-bottom: 6px;
    }

    input[type="number"],
    select {
        padding: 12px 14px;
        font-size: 16px !important;
        border-radius: 8px;
    }

    .calculate-btn {
        padding: 14px 16px;
        font-size: 1em;
        margin-top: 16px;
    }

    .results {
        padding: 20px 16px;
        margin-top: 24px;
    }

    .results h3 {
        font-size: 1.2em;
        margin-top: 0;
        margin-bottom: 16px;
    }

    .result-item {
        flex-direction: column;
        align-items: flex-start;
        padding: 12px 0;
        margin: 0;
        background: transparent;
        border: none;
        border-bottom: 1px solid var(--border);
    }

    .result-item:last-child {
        border-bottom: none;
    }

    .result-label {
        font-size: 0.9em;
        margin-bottom: 4px;
        font-weight: 600;
    }

    .result-value {
        font-size: 1.3em;
        color: var(--primary);
        font-weight: 800;
    }

    .highlight-box {
        padding: 24px 16px;
    }

    .highlight-box h3 {
        font-size: 1.3em;
        margin-top: 0;
    }

    .highlight-box p {
        font-size: 0.95em;
        line-height: 1.6;
    }

    .manual-step {
        padding: 16px 16px;
        margin: 16px 0;
        border-radius: 10px;
    }

    .manual-step h4 {
        font-size: 1em;
        color: var(--primary);
        margin-bottom: 8px;
    }

    .manual-step p {
        font-size: 0.9em;
        color: var(--text-gray);
        line-height: 1.6;
        margin-bottom: 8px;
    }

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

    .sidebar-widget {
        padding: 16px 16px;
        margin-bottom: 20px;
        border-radius: 12px;
    }

    .sidebar-widget h4 {
        font-size: 1em;
        margin-bottom: 12px;
    }

    .sidebar-link {
        padding: 10px 12px;
        font-size: 0.9em;
        margin-bottom: 6px;
    }

    .adsense-container {
        padding: 12px;
        min-height: 70px !important;
        font-size: 0.8em;
    }

    footer {
        padding: 30px 16px 24px;
    }

    .footer-content p {
        font-size: 0.95em;
        line-height: 1.6;
    }

    .disclaimer {
        font-size: 0.8em;
        opacity: 0.7;
    }
}

@media print {
    header, .sidebar, .adsense-container, footer, .tab-buttons, .cta-button, .calculate-btn {
        display: none !important;
    }
    
    .main-grid {
        grid-template-columns: 1fr;
    }
    
    .card {
        page-break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ccc;
    }
}