/* ========================================
   NexaCloud - Responsive Styles
   Mobile-first breakpoints
   ======================================== */

/* ========== TABLET (max-width: 1024px) ========== */
@media (max-width: 1024px) {
    :root {
        --text-7xl: 3.5rem;
        --text-6xl: 3rem;
        --text-5xl: 2.5rem;
    }

    .container {
        padding: 0 var(--space-5);
    }

    .section {
        padding: var(--space-16) 0;
    }

    .section-lg {
        padding: var(--space-20) 0;
    }

    /* Navigation */
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 300px;
        height: 100vh;
        background: var(--white);
        flex-direction: column;
        align-items: flex-start;
        padding: var(--space-20) var(--space-8);
        gap: var(--space-2);
        box-shadow: var(--shadow-2xl);
        transition: right var(--transition-base);
        z-index: var(--z-modal);
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-link {
        width: 100%;
        padding: var(--space-4);
        font-size: var(--text-lg);
    }

    .nav-item .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        padding-left: var(--space-4);
        display: none;
    }

    .nav-item.open .dropdown-menu {
        display: block;
    }

    .nav-actions {
        display: none;
    }

    .menu-toggle {
        display: flex;
        z-index: var(--z-tooltip);
    }

    .mobile-overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.5);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition-base);
        z-index: var(--z-fixed);
    }

    .mobile-overlay.active {
        opacity: 1;
        visibility: visible;
    }

    /* Hero */
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

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

    .hero-actions {
        justify-content: center;
    }

    .hero-image {
        order: -1;
    }

    .hero-illustration {
        max-width: 450px;
        margin: 0 auto;
    }

    .floating-card {
        display: none;
    }

    /* Services */
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Features */
    .features-row {
        grid-template-columns: 1fr;
        gap: var(--space-10);
    }

    .features-row.reverse {
        direction: ltr;
    }

    .features-content {
        max-width: 100%;
        text-align: center;
    }

    .features-content .btn {
        margin: 0 auto;
    }

    /* Feature Grid */
    .feature-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* API Section */
    .api-grid {
        grid-template-columns: 1fr;
        gap: var(--space-10);
    }

    .api-content {
        max-width: 100%;
        order: 1;
    }

    .api-image {
        order: 0;
    }

    /* Blog Grid */
    .blog-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Page Hero */
    .page-hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .page-hero-content {
        order: 1;
    }

    .page-hero-image {
        order: 0;
        margin-bottom: var(--space-8);
    }

    .page-hero-image img {
        max-width: 300px;
    }

    /* Footer */
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-brand {
        grid-column: span 2;
        max-width: 100%;
        text-align: center;
        margin-bottom: var(--space-8);
    }

    .footer-social {
        justify-content: center;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

/* ========== SMALL TABLET (max-width: 768px) ========== */
@media (max-width: 768px) {
    :root {
        --text-7xl: 3rem;
        --text-6xl: 2.5rem;
        --text-5xl: 2rem;
        --text-4xl: 1.75rem;
    }

    .section {
        padding: var(--space-12) 0;
    }

    /* Hero */
    .hero {
        min-height: auto;
        padding: calc(var(--space-24) + 80px) 0 var(--space-16);
    }

    .hero-title {
        font-size: clamp(2rem, 8vw, 2.75rem);
    }

    .hero-description {
        font-size: var(--text-base);
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .hero-actions .btn {
        width: 100%;
        max-width: 300px;
    }

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

    .service-card {
        padding: var(--space-8);
    }

    /* Feature Grid */
    .feature-grid {
        grid-template-columns: 1fr;
    }

    /* Blog Grid */
    .blog-grid {
        grid-template-columns: 1fr;
    }

    /* Testimonials */
    .testimonial-text {
        font-size: var(--text-lg);
    }

    /* CTA */
    .cta-actions {
        flex-direction: column;
        align-items: center;
    }

    .cta-actions .btn {
        width: 100%;
        max-width: 300px;
    }

    /* Footer */
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-brand {
        grid-column: span 1;
    }

    .footer-column {
        margin-bottom: var(--space-6);
    }

    /* Page Hero */
    .page-hero {
        padding: calc(var(--space-24) + 60px) 0 var(--space-12);
    }

    .page-hero h1 {
        font-size: clamp(2rem, 8vw, 2.5rem);
    }

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

    /* Back to top */
    .back-to-top {
        right: var(--space-4);
        bottom: var(--space-4);
        width: 44px;
        height: 44px;
    }
}

/* ========== MOBILE (max-width: 480px) ========== */
@media (max-width: 480px) {
    :root {
        --text-7xl: 2.5rem;
        --text-6xl: 2rem;
        --text-5xl: 1.75rem;
        --text-4xl: 1.5rem;
        --text-3xl: 1.25rem;
    }

    .container {
        padding: 0 var(--space-4);
    }

    .section {
        padding: var(--space-10) 0;
    }

    /* Header */
    .header {
        padding: var(--space-3) 0;
    }

    .logo {
        font-size: var(--text-xl);
    }

    .logo-icon {
        width: 36px;
        height: 36px;
    }

    /* Hero */
    .hero {
        padding: calc(var(--space-20) + 60px) 0 var(--space-12);
    }

    .hero-overline {
        font-size: var(--text-xs);
        padding: var(--space-1) var(--space-3);
        margin-bottom: var(--space-4);
    }

    .hero-title {
        font-size: clamp(1.75rem, 8vw, 2.25rem);
        margin-bottom: var(--space-4);
    }

    .hero-description {
        margin-bottom: var(--space-6);
    }

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

    /* Trust Bar */
    .trust-bar {
        padding: var(--space-8) 0;
    }

    .trust-logos {
        gap: var(--space-6);
    }

    .trust-logo {
        font-size: var(--text-lg);
    }

    /* Service Cards */
    .service-card {
        padding: var(--space-6);
    }

    .service-icon {
        width: 64px;
        height: 64px;
        font-size: var(--text-2xl);
    }

    /* Feature Items */
    .feature-item {
        padding: var(--space-6);
    }

    .feature-item-icon {
        width: 48px;
        height: 48px;
        font-size: var(--text-xl);
    }

    /* API Features */
    .api-feature {
        padding: var(--space-4);
        gap: var(--space-3);
    }

    .api-feature-icon {
        width: 40px;
        height: 40px;
        min-width: 40px;
        font-size: var(--text-lg);
    }

    /* Testimonials */
    .testimonial-card {
        padding: var(--space-4);
    }

    .testimonial-quote-icon {
        font-size: var(--text-4xl);
    }

    .testimonial-text {
        font-size: var(--text-base);
    }

    .testimonial-avatar {
        width: 60px;
        height: 60px;
    }

    /* Blog Cards */
    .blog-card-image {
        height: 180px;
    }

    .blog-card-content {
        padding: var(--space-4);
    }

    .blog-card h3 {
        font-size: var(--text-base);
    }

    /* CTA Section */
    .cta-section {
        padding: var(--space-12) 0;
    }

    .cta-content p {
        font-size: var(--text-base);
    }

    /* Page Hero */
    .page-hero {
        padding: calc(var(--space-16) + 60px) 0 var(--space-10);
    }

    .page-hero-image img {
        max-width: 250px;
    }

    /* Footer */
    .footer {
        padding: var(--space-12) 0 var(--space-6);
    }

    .footer-grid {
        gap: var(--space-8);
        margin-bottom: var(--space-8);
    }

    .footer-social a {
        width: 36px;
        height: 36px;
    }

    .footer-bottom-links {
        flex-direction: column;
        gap: var(--space-3);
    }

    /* Buttons */
    .btn {
        padding: var(--space-3) var(--space-6);
        font-size: var(--text-sm);
    }

    .btn-lg {
        padding: var(--space-4) var(--space-8);
        font-size: var(--text-base);
    }
}

/* ========== LANDSCAPE MOBILE ========== */
@media (max-height: 500px) and (orientation: landscape) {
    .hero {
        min-height: auto;
        padding: calc(var(--space-16) + 60px) 0 var(--space-12);
    }

    .hero .container {
        grid-template-columns: 1.2fr 1fr;
        text-align: left;
    }

    .hero-image {
        order: 0;
    }

    .hero-actions {
        justify-content: flex-start;
    }
}

/* ========== HIGH DPI SCREENS ========== */
@media (-webkit-min-device-pixel-ratio: 2),
(min-resolution: 192dpi) {

    .hero-illustration,
    .features-image img,
    .api-image img,
    .page-hero-image img {
        image-rendering: -webkit-optimize-contrast;
    }
}

/* ========== REDUCED MOTION ========== */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }

    .hero-illustration,
    .floating-card {
        animation: none;
    }

    .reveal {
        opacity: 1;
        transform: none;
    }
}

/* ========== DARK MODE (Optional) ========== */
@media (prefers-color-scheme: dark) {
    /* Uncomment to enable automatic dark mode */
    /*
  :root {
    --white: #0F172A;
    --light: #1E293B;
    --gray-100: #334155;
    --gray-200: #475569;
    --gray-300: #64748B;
    --gray-400: #94A3B8;
    --gray-500: #CBD5E1;
    --gray-600: #E2E8F0;
    --gray-700: #F1F5F9;
    --dark: #F8FAFC;
  }
  
  .header.scrolled {
    background: rgba(15, 23, 42, 0.95);
  }
  
  .service-card,
  .feature-item,
  .blog-card,
  .info-card {
    background: var(--dark-lighter);
    border-color: var(--gray-100);
  }
  */
}

/* ========== PRINT STYLES ========== */
@media print {

    .header,
    .footer,
    .back-to-top,
    .menu-toggle {
        display: none !important;
    }

    .hero {
        min-height: auto;
        padding: var(--space-8) 0;
    }

    .section {
        padding: var(--space-8) 0;
    }

    * {
        background: white !important;
        color: black !important;
        box-shadow: none !important;
    }

    a {
        text-decoration: underline;
    }
}