/* ===================================
   SmartEnergiePro - Responsive Styles
   Mobile-First Responsive Design
   =================================== */

/* ===== Tablet Landscape (max-width: 1200px) ===== */
@media (max-width: 1200px) {
    :root {
        --text-7xl: 3.5rem;
        --text-6xl: 3rem;
        --text-5xl: 2.5rem;
    }
    
    .hero-container {
        gap: var(--spacing-3xl);
    }
    
    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .hardware-pricing-content {
        gap: var(--spacing-2xl);
    }
    
    .hardware-icon {
        width: 100px;
        height: 100px;
        font-size: 48px;
    }
    
    .tech-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .cert-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ===== Tablet Portrait (max-width: 992px) ===== */
@media (max-width: 992px) {
    :root {
        --text-7xl: 3rem;
        --text-6xl: 2.5rem;
        --text-5xl: 2rem;
        --spacing-4xl: 4rem;
    }
    
    .hardware-pricing-content {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .hardware-highlight {
        flex-direction: column;
        text-align: center;
    }
    
    .hardware-cta {
        justify-content: center;
    }
    
    /* Navigation */
    .nav-menu {
        position: fixed;
        top: 80px;
        left: 0;
        width: 100%;
        height: calc(100vh - 80px);
        background-color: var(--color-white);
        box-shadow: var(--shadow-lg);
        transform: translateX(-100%);
        transition: transform var(--transition-base);
        overflow-y: auto;
        z-index: var(--z-fixed);
    }
    
    .nav-menu.active {
        transform: translateX(0);
    }
    
    .nav-list {
        flex-direction: column;
        padding: var(--spacing-xl);
        gap: 0;
    }
    
    .nav-item {
        width: 100%;
    }
    
    .nav-link {
        display: block;
        padding: var(--spacing-md);
        width: 100%;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }
    
    /* Hero */
    .hero-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-3xl);
    }
    
    .hero-title {
        font-size: var(--text-6xl);
    }
    
    .hero-visual {
        order: -1;
    }
    
    .energy-flow-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }
    
    .monitor-stats-enhanced {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
    }
    
    .floating-cards {
        position: relative;
        right: 0;
        top: 0;
        transform: none;
        flex-direction: row;
        flex-wrap: wrap;
        margin-top: var(--spacing-lg);
    }
    
    .float-card {
        flex: 1 1 calc(50% - var(--spacing-md));
        min-width: 200px;
    }
    
    /* Trust Section */
    .trust-content {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* About Section */
    .about-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-3xl);
    }
    
    .about-image {
        order: -1;
    }
    
    /* Expertise */
    .panel-grid {
        grid-template-columns: 1fr;
    }
    
    .about-values {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ===== Mobile Landscape (max-width: 768px) ===== */
@media (max-width: 768px) {
    :root {
        --text-7xl: 2.5rem;
        --text-6xl: 2rem;
        --text-5xl: 1.75rem;
        --text-4xl: 1.5rem;
        --spacing-3xl: 3rem;
        --spacing-4xl: 3rem;
    }
    
    .container {
        padding: 0 var(--spacing-md);
    }
    
    /* Navigation */
    .nav-container {
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .nav-actions .btn {
        display: none;
    }
    
    /* Hero */
    section {
        padding: var(--spacing-3xl) 0;
    }
    
    .hero-section {
        padding: 100px 0 60px;
    }
    
    .hero-container {
        padding: 0 var(--spacing-md);
    }
    
    .hero-badge {
        font-size: var(--text-xs);
        padding: var(--spacing-xs) var(--spacing-md);
    }
    
    .hero-title {
        font-size: var(--text-5xl);
    }
    
    .hero-subtitle {
        font-size: var(--text-base);
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .stat-item {
        padding: var(--spacing-md);
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .hero-actions .btn {
        width: 100%;
        justify-content: center;
    }
    
    /* Services */
    .services-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .service-card {
        padding: var(--spacing-xl);
    }
    
    /* Portfolio */
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .portfolio-filters {
        gap: var(--spacing-sm);
    }
    
    .filter-btn {
        padding: var(--spacing-xs) var(--spacing-md);
        font-size: var(--text-xs);
    }
    
    /* Technology */
    .tech-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }
    
    .tech-card {
        padding: var(--spacing-lg);
    }
    
    /* Expertise */
    .expertise-tabs {
        gap: var(--spacing-sm);
    }
    
    .tab-btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--text-sm);
    }
    
    .tab-btn span {
        display: none;
    }
    
    .expertise-item {
        padding: var(--spacing-lg);
    }
    
    /* Certifications */
    .cert-grid {
        grid-template-columns: 1fr;
    }
    
    /* Contact */
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .contact-info {
        order: 2;
    }
    
    /* About */
    .about-image-placeholder {
        height: 400px;
    }
    
    .about-badge {
        padding: var(--spacing-md);
    }
    
    .badge-number {
        font-size: var(--text-3xl);
    }
    
    .about-values {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }
    
    .about-cta {
        flex-direction: column;
    }
    
    .about-cta .btn {
        width: 100%;
        justify-content: center;
    }
    
    /* Trust Section */
    .trust-content {
        grid-template-columns: 1fr;
    }
    
    .trust-item {
        padding: var(--spacing-md);
    }
}

/* ===== Mobile Portrait (max-width: 576px) ===== */
@media (max-width: 576px) {
    :root {
        --text-7xl: 2rem;
        --text-6xl: 1.75rem;
        --text-5xl: 1.5rem;
        --text-4xl: 1.25rem;
        --text-3xl: 1.125rem;
        --spacing-2xl: 2rem;
        --spacing-3xl: 2.5rem;
        --spacing-4xl: 2.5rem;
    }
    
    /* Logo */
    .logo-text {
        font-size: var(--text-lg);
    }
    
    .logo-container i {
        font-size: var(--text-xl);
    }
    
    /* Section Headers */
    .section-header {
        margin-bottom: var(--spacing-2xl);
    }
    
    .section-badge {
        font-size: var(--text-xs);
        padding: var(--spacing-xs) var(--spacing-md);
    }
    
    .section-title {
        font-size: var(--text-4xl);
    }
    
    .section-subtitle {
        font-size: var(--text-base);
    }
    
    /* Hero */
    .hero-title {
        font-size: 2.25rem;
        line-height: 1.2;
        margin-bottom: var(--spacing-lg);
    }
    
    .hero-subtitle {
        font-size: 1rem;
        line-height: 1.6;
        margin-bottom: var(--spacing-xl);
    }
    
    .hero-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-actions .btn {
        width: 100%;
        justify-content: center;
    }
    
    .hero-badge {
        gap: var(--spacing-xs);
    }
    
    .hero-features {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .feature-badge {
        width: 100%;
    }
    
    .stat-icon {
        width: 40px;
        height: 40px;
        font-size: var(--text-lg);
    }
    
    .stat-number {
        font-size: var(--text-2xl);
    }
    
    .stat-label {
        font-size: var(--text-xs);
    }
    
    /* Visual Card */
    .visual-card {
        padding: var(--spacing-md);
    }
    
    .card-header {
        font-size: var(--text-base);
        flex-wrap: wrap;
    }
    
    .dashboard-timestamp {
        width: 100%;
        margin-top: var(--spacing-xs);
        margin-left: 0;
    }
    
    .energy-flow-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .energy-component {
        padding: var(--spacing-md);
    }
    
    .energy-component .component-icon {
        width: 40px;
        height: 40px;
        font-size: var(--text-xl);
    }
    
    .component-value {
        font-size: 1.25rem;
        line-height: 1.4;
    }
    
    .component-label {
        font-size: 0.875rem;
        margin-bottom: 0.25rem;
    }
    
    .component-detail {
        font-size: 0.75rem;
    }
    
    .monitor-stats-enhanced {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .monitor-stat-card {
        padding: var(--spacing-sm);
    }
    
    .monitor-stat-card .stat-icon {
        width: 36px;
        height: 36px;
        font-size: var(--text-lg);
    }
    
    .monitor-stat-card .value {
        font-size: var(--text-base);
    }
    
    .monitor-stats {
        grid-template-columns: 1fr;
    }
    
    .floating-cards {
        flex-direction: column;
    }
    
    /* Services */
    .service-icon {
        width: 60px;
        height: 60px;
        font-size: var(--text-3xl);
    }
    
    .service-title {
        font-size: var(--text-xl);
    }
    
    .service-features li {
        font-size: var(--text-xs);
    }
    
    /* Technology */
    .tech-grid {
        grid-template-columns: 1fr;
    }
    
    .tech-icon {
        width: 60px;
        height: 60px;
        font-size: var(--text-3xl);
    }
    
    /* Expertise */
    .tab-btn {
        padding: var(--spacing-sm);
        font-size: var(--text-base);
    }
    
    .expertise-icon {
        width: 50px;
        height: 50px;
        font-size: var(--text-xl);
    }
    
    /* Main CTA Section */
    .main-cta-card {
        padding: var(--spacing-2xl) var(--spacing-lg);
    }
    
    .cta-title {
        font-size: var(--text-3xl);
    }
    
    .cta-subtitle {
        font-size: var(--text-xl);
    }
    
    .cta-features {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-md);
    }
    
    .cta-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .btn-xl {
        width: 100%;
        padding: 1rem 1.5rem;
        font-size: 1.125rem;
        min-height: 56px;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 0.75rem;
    }
    
    .btn {
        min-height: 48px;
        padding: 0.875rem 1.25rem;
        font-size: 1rem;
    }
    
    .cta-trust {
        flex-direction: column;
        gap: var(--spacing-xl);
    }
    
    .trust-number {
        font-size: var(--text-2xl);
    }
    
    /* Portfolio */
    .portfolio-image {
        height: 200px;
    }
    
    .portfolio-stats {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    /* Blog */
    .blog-grid {
        grid-template-columns: 1fr;
    }
    
    /* Testimonials */
    .testimonials-slider {
        gap: var(--spacing-lg);
    }
    
    .testimonial-card {
        padding: var(--spacing-lg);
    }
    
    /* Contact */
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .info-card {
        padding: var(--spacing-md);
    }
    
    /* FAQ */
    .faq-grid {
        grid-template-columns: 1fr;
    }
    
    /* Footer */
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .footer-social {
        justify-content: flex-start;
    }
    
    /* About */
    .about-image-placeholder {
        height: 300px;
    }
    
    .about-badge {
        left: 20px;
        bottom: 20px;
        padding: var(--spacing-md);
    }
    
    .badge-number {
        font-size: var(--text-2xl);
    }
    
    .about-values {
        grid-template-columns: 1fr;
    }
    
    /* Buttons */
    .btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--text-sm);
    }
    
    .btn-lg {
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: var(--text-sm);
    }
    
    /* Modal */
    .modal-content {
        width: 95%;
        margin: var(--spacing-md);
    }
}

/* ===== Very Small Devices (max-width: 375px) ===== */
@media (max-width: 375px) {
    :root {
        --text-6xl: 1.5rem;
        --text-5xl: 1.375rem;
        --text-4xl: 1.125rem;
    }
    
    .hero-title {
        font-size: var(--text-3xl);
    }
    
    .section-title {
        font-size: var(--text-3xl);
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
}

/* ===== Landscape Orientation for Mobile ===== */
@media (max-height: 600px) and (orientation: landscape) {
    .hero-section {
        min-height: auto;
        padding: 100px 0 60px;
    }
    
    .hero-stats {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .scroll-indicator {
        display: none;
    }
}

/* ===== Print Styles ===== */
@media print {
    .navbar,
    .scroll-to-top,
    .cookie-banner,
    .nav-toggle,
    .hero-actions,
    .portfolio-filters,
    .contact-form-wrapper,
    .footer {
        display: none !important;
    }
    
    body {
        color: #000;
        background: #fff;
    }
    
    .hero-section {
        min-height: auto;
    }
    
    section {
        page-break-inside: avoid;
        padding: 2rem 0;
    }
    
    h1, h2, h3, h4, h5, h6 {
        page-break-after: avoid;
    }
}