/* =============================================
   KUPI KUHNY - Responsive Styles
   Mobile First Approach
   ============================================= */

/* Extra Large Screens (1440px+) */
@media (min-width: 1440px) {
    .container {
        max-width: 1320px;
    }

    .hero-title {
        font-size: 4rem;
    }

    .section-title {
        font-size: 3rem;
    }
}

/* Large Screens (1200px - 1439px) */
@media (max-width: 1439px) {
    .container {
        max-width: 1140px;
    }
}

/* Medium-Large Screens (1024px - 1199px) */
@media (max-width: 1199px) {
    :root {
        --section-padding: 80px;
    }

    .container {
        max-width: 960px;
    }

    .nav-list {
        gap: 20px;
    }

    .nav-list a {
        font-size: 0.9rem;
    }

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

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

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

    .timeline-item:nth-child(odd) .timeline-content,
    .timeline-item:nth-child(even) .timeline-content {
        padding-left: 60px;
        padding-right: 60px;
    }
}

/* Tablets (768px - 1023px) */
@media (max-width: 1023px) {
    :root {
        --section-padding: 70px;
    }

    .container {
        max-width: 720px;
    }

    /* Header */
    .nav {
        display: none;
    }

    .header-contacts {
        display: none;
    }

    .burger {
        display: flex;
    }

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

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .hero-cta {
        flex-direction: column;
        align-items: flex-start;
    }

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

    /* Prices */
    .prices-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin-left: auto;
        margin-right: auto;
    }

    .price-card.popular {
        transform: none;
        order: -1;
    }

    .price-card.popular:hover {
        transform: translateY(-10px);
    }

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

    /* Timeline */
    .timeline {
        padding-left: 40px;
    }

    .timeline-line {
        left: 20px;
    }

    .timeline-number {
        left: 20px;
        transform: translateX(-50%);
    }

    .timeline-item,
    .timeline-item:nth-child(odd) {
        flex-direction: column;
        align-items: flex-start;
    }

    .timeline-item .timeline-content,
    .timeline-item:nth-child(odd) .timeline-content,
    .timeline-item:nth-child(even) .timeline-content {
        text-align: left;
        padding-left: 40px;
        padding-right: 0;
        margin-left: 20px;
    }

    /* Lead Form */
    .lead-form-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .lead-form-content {
        text-align: center;
    }

    .lead-form-benefits {
        align-items: center;
    }

    /* Contacts */
    .contacts-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .contacts-map {
        order: -1;
    }

    .map-placeholder {
        height: 300px;
    }

    /* Prices info */
    .prices-info {
        flex-direction: column;
        gap: 20px;
    }
}

/* Small Tablets / Large Phones (576px - 767px) */
@media (max-width: 767px) {
    :root {
        --section-padding: 60px;
        --container-padding: 15px;
    }

    /* Typography */
    .section-title {
        font-size: 1.75rem;
    }

    .section-subtitle {
        font-size: 1rem;
        margin-bottom: 30px;
    }

    /* Header */
    .header .container {
        height: 70px;
    }

    .mobile-menu {
        top: 70px;
    }

    /* Hero */
    .hero {
        padding-top: 70px;
        min-height: auto;
        padding-bottom: 60px;
    }

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

    .hero-content {
        text-align: center;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-cta {
        align-items: center;
    }

    .hero-scroll {
        display: none;
    }

    /* Advantages */
    .advantages-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .advantage-card {
        padding: 30px 25px;
    }

    /* Assortment */
    .tabs-nav {
        gap: 8px;
    }

    .tab-btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }

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

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

    /* Portfolio */
    .portfolio-grid {
        grid-template-columns: 1fr;
    }

    .portfolio-filter {
        gap: 10px;
    }

    .filter-btn {
        padding: 8px 18px;
        font-size: 0.9rem;
    }

    .portfolio-img-placeholder {
        height: 220px;
    }

    /* Timeline */
    .timeline {
        padding-left: 30px;
    }

    .timeline-number {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }

    .timeline-content {
        padding: 20px;
    }

    .timeline-item .timeline-content,
    .timeline-item:nth-child(odd) .timeline-content,
    .timeline-item:nth-child(even) .timeline-content {
        padding-left: 30px;
        margin-left: 15px;
    }

    /* Lead Form */
    .lead-form-title {
        font-size: 1.75rem;
    }

    .lead-form {
        padding: 30px 25px;
    }

    /* FAQ */
    .faq-question {
        padding: 15px 20px;
        font-size: 1rem;
    }

    .faq-answer p {
        padding: 0 20px 15px;
    }

    /* Contacts */
    .messenger-buttons {
        flex-direction: column;
    }

    .messenger-btn {
        justify-content: center;
    }

    /* Footer */
    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }

    /* Scroll top */
    .scroll-top {
        width: 45px;
        height: 45px;
        bottom: 20px;
        right: 20px;
    }

    /* Modals */
    .modal-content {
        padding: 30px 20px;
        margin: 10px;
    }
}

/* Mobile Phones (320px - 575px) */
@media (max-width: 575px) {
    :root {
        --section-padding: 50px;
    }

    /* Buttons */
    .btn {
        padding: 12px 25px;
        font-size: 0.95rem;
    }

    .btn-lg {
        padding: 15px 30px;
        font-size: 1rem;
    }

    /* Hero */
    .hero-title {
        font-size: 1.75rem;
    }

    .badge {
        padding: 6px 12px;
        font-size: 0.8rem;
    }

    /* Advantages */
    .advantage-icon {
        width: 70px;
        height: 70px;
    }

    .advantage-icon svg {
        width: 36px;
        height: 36px;
    }

    /* Prices */
    .price-card {
        padding: 30px 20px;
    }

    .price-amount {
        font-size: 2rem;
    }

    .popular-badge {
        font-size: 0.75rem;
        padding: 6px 18px;
    }

    /* Portfolio */
    .portfolio-img-placeholder {
        height: 200px;
    }

    .portfolio-overlay {
        padding: 20px;
    }

    .portfolio-info h4 {
        font-size: 1.1rem;
    }

    /* Timeline */
    .timeline-icon {
        width: 50px;
        height: 50px;
    }

    .timeline-icon svg {
        width: 24px;
        height: 24px;
    }

    .timeline-content h4 {
        font-size: 1.1rem;
    }

    /* Lead form */
    .lead-form-title {
        font-size: 1.5rem;
    }

    .lead-form-benefits li {
        font-size: 1rem;
    }

    .form-group input {
        padding: 15px 18px;
    }

    /* Contacts */
    .contact-icon {
        width: 45px;
        height: 45px;
    }

    .contact-icon svg {
        width: 20px;
        height: 20px;
    }

    /* Map */
    .map-placeholder {
        height: 250px;
    }
}

/* Extra Small Phones (under 320px) */
@media (max-width: 320px) {
    .hero-title {
        font-size: 1.5rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }

    .tab-btn {
        padding: 8px 15px;
        font-size: 0.85rem;
    }
}

/* Landscape orientation on mobile */
@media (max-height: 500px) and (orientation: landscape) {
    .hero {
        min-height: auto;
        padding: 100px 0 50px;
    }

    .hero-scroll {
        display: none;
    }
}

/* High DPI / Retina displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    /* Ensure sharp rendering on retina */
    .logo-placeholder,
    .advantage-icon,
    .timeline-icon {
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
}

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    .pulse {
        animation: none;
    }

    .hero-content,
    .hero-badges,
    .hero-title,
    .hero-subtitle,
    .hero-cta {
        animation: none;
        opacity: 1;
    }

    [data-aos] {
        opacity: 1 !important;
        transform: none !important;
    }
}

/* Dark mode support (optional, can be enabled later) */
@media (prefers-color-scheme: dark) {
    /*
    :root {
        --white: #1a1a2e;
        --light-gray: #16213e;
        --dark-gray: #e0e0e0;
        --text-color: #ffffff;
        --text-light: #a0a0a0;
    }
    */
}

/* Print styles */
@media print {
    .header,
    .hero-scroll,
    .scroll-top,
    .mobile-menu,
    .modal,
    .btn,
    .hero-cta,
    .lead-form-section,
    .contacts-map {
        display: none !important;
    }

    body {
        background: white;
        color: black;
    }

    .hero {
        min-height: auto;
        padding: 20px 0;
    }

    .hero-bg,
    .hero-overlay {
        display: none;
    }

    .hero-content {
        color: black;
    }

    .hero-title,
    .hero-subtitle {
        color: black;
    }

    section {
        page-break-inside: avoid;
        padding: 30px 0;
    }

    .section-title {
        color: black;
    }

    a {
        text-decoration: underline;
    }

    a[href]::after {
        content: " (" attr(href) ")";
        font-size: 0.8em;
    }
}

/* Focus visible for accessibility */
@media (hover: hover) {
    :focus-visible {
        outline: 2px solid var(--primary);
        outline-offset: 2px;
    }
}

/* Touch devices */
@media (hover: none) {
    .portfolio-overlay {
        opacity: 1;
        background: linear-gradient(to top, rgba(44, 62, 80, 0.9) 0%, rgba(44, 62, 80, 0) 70%);
    }

    .portfolio-zoom {
        opacity: 1;
        transform: scale(1);
    }

    .advantage-card:hover {
        transform: none;
    }

    .price-card:hover {
        transform: none;
    }

    .price-card.popular:hover {
        transform: scale(1.05);
    }
}