/* ========================================
   7 ГРАМА СТУДИО - MOBILE RESPONSIVE CSS
   Professional E-commerce Mobile Optimization
   Desktop (>768px) remains UNCHANGED
   Mobile (≤768px) fully optimized
   ======================================== */

/* ========================================
   PREVENT HORIZONTAL SCROLL - ALL DEVICES
   ======================================== */
html, body {
    overflow-x: hidden;
    max-width: 100vw;
}

* {
    box-sizing: border-box;
}

/* ========================================
   TABLET & MOBILE: 992px and below
   ======================================== */
@media (max-width: 992px) {
    /* Mobile menu toggle */
    .menu-toggle {
        display: flex !important;
    }
    
    /* Cart icon stays visible in navbar */
    .navbar .nav-menu > li:last-child:not(.nav-cart-desktop) {
        position: fixed !important;
        top: 37px !important;
        right: 72px !important;
        transform: none !important;
        z-index: 1001 !important;
        background: transparent !important;
        border: none !important;
        margin: 0 !important;
        padding: 0 !important;
    }
    
    .navbar .nav-menu > li:last-child:not(.nav-cart-desktop) .nav-cart {
        margin: 0 !important;
        padding: 8px !important;
        display: flex !important;
        width: auto !important;
        min-width: 0 !important;
    }
    
    /* Mobile navigation */
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: #fff;
        flex-direction: column;
        align-items: stretch;
        padding: 80px 0 20px;
        box-shadow: -5px 0 20px rgba(0,0,0,0.15);
        transition: right 0.3s ease;
        z-index: 1000;
        overflow-y: auto;
        gap: 0;
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    /* Menu overlay */
    .menu-overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0,0,0,0.6);
        backdrop-filter: blur(4px);
        z-index: 999;
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
    }
    
    .menu-overlay.active {
        opacity: 1;
        visibility: visible;
    }
    
    /* Mobile nav links */
    .nav-menu > li {
        width: 100%;
    }

    .nav-link {
        display: block;
        width: 100%;
        padding: 15px 25px;
        font-size: 1rem;
        border-bottom: 1px solid #f0f0f0;
    }
    
    .nav-link::after {
        display: none;
    }
    
    /* Mobile dropdown */
    .nav-dropdown .nav-link {
        display: flex;
        justify-content: space-between;
        align-items: center;
    }
    
    .dropdown-menu {
        position: static;
        transform: none;
        opacity: 1;
        visibility: visible;
        margin: 0;
        padding: 0;
        box-shadow: none;
        border-radius: 0;
        background: #f8f8f8;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }
    
    .nav-dropdown.active .dropdown-menu {
        max-height: 500px;
    }
    
    .dropdown-item {
        padding: 12px 25px 12px 40px;
        font-size: 0.9rem;
        border-bottom: 1px solid #e8e8e8;
    }
    
    .dropdown-item::before {
        display: none;
    }
    
    .dropdown-item:hover {
        background: #fff;
        padding-left: 45px;
    }
    
    .nav-menu .nav-cart {
        margin: 15px 25px;
    }
}

/* ========================================
   MOBILE: 768px and below
   ======================================== */
@media (max-width: 768px) {
    /* Base typography */
    html {
        font-size: 15px;
    }
    
    body {
        overflow-x: hidden;
    }
    
    /* Container */
    .container {
        padding: 0 15px;
        max-width: 100%;
        overflow-x: hidden;
    }
    
    /* Navbar */
    .nav-container {
        padding: 12px 15px;
    }
    
    .nav-logo img {
        width: 50px;
        height: 50px;
    }
    
    .nav-brand-full {
        font-size: 1rem;
    }
    
    .nav-brand-full .brand-sub {
        font-size: 0.7rem;
    }
    
    /* Hero section */
    .hero {
        padding: 100px 15px 0;
        min-height: 100vh;
    }
    
    .hero-content {
        margin-top: 40px;
    }
    
    .hero-video-container {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        overflow: hidden;
        line-height: 0;
        font-size: 0;
    }
    
    .hero-video {
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        width: auto;
        height: auto;
        min-width: 100%;
        min-height: 100%;
        object-fit: cover;
        display: block;
        margin: 0;
        padding: 0;
        border: 0;
    }
    
    .hero-overlay {
        display: block;
        margin: 0;
        padding: 0;
    }
    
    .hero-title {
        font-size: 2.2rem;
        line-height: 1.2;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
        margin-bottom: 30px;
    }
    
    .hero-badge {
        padding: 10px 24px;
        font-size: 0.85rem;
        margin-bottom: 25px;
    }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
        gap: 15px;
    }
    
    .hero-buttons .btn {
        width: 100%;
        max-width: 300px;
        padding: 16px 32px;
        font-size: 1.05rem;
    }
    
    .scroll-indicator {
        display: flex;
    }
    
    /* Section spacing */
    .section {
        padding: 60px 0;
    }
    
    .section-header {
        margin-bottom: 40px;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .section-subtitle {
        font-size: 0.95rem;
    }
    
    /* Products grid - CRITICAL FIX */
    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
        gap: 15px;
        padding: 0;
    }
    
    /* Product cards - E-COMMERCE OPTIMIZATION */
    .product-card,
    .card-wrapper {
        width: 100%;
        max-width: 100%;
    }
    
    .card-image-container {
        height: 150px;
    }
    
    .card-content {
        padding: 12px;
    }
    
    .card-title {
        font-size: 0.9rem;
        line-height: 1.3;
    }
    
    .card-description {
        font-size: 0.75rem;
    }
    
    .card-weight {
        font-size: 0.8rem;
    }
    
    .card-footer {
        padding-top: 10px;
        gap: 8px;
    }
    
    .card-price {
        font-size: 1.1rem;
    }
    
    /* Add to Cart Button - FINGER-FRIENDLY */
    .card-btn-add,
    .btn-add-cart {
        padding: 8px 10px;
        font-size: 0.5rem;
        min-height: 32px;
        min-width: auto;
        white-space: nowrap;
        letter-spacing: 0;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    /* Services section */
    .services-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .service-card {
        padding: 30px 20px;
    }
    
    .service-icon {
        width: 60px;
        height: 60px;
    }
    
    .service-icon svg {
        width: 28px;
        height: 28px;
    }
    
    .service-card h4 {
        font-size: 1.1rem;
    }
    
    .service-card p {
        font-size: 0.9rem;
    }
    
    /* Fast links */
    .fast-links-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .fast-link-card {
        padding: 25px 15px;
    }
    
    .fast-link-icon {
        width: 50px;
        height: 50px;
    }
    
    .fast-link-icon svg {
        width: 24px;
        height: 24px;
    }
    
    /* Location section */
    .location-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .location-map {
        height: 300px;
        width: 100%;
    }
    
    .location-map iframe {
        width: 100%;
        height: 100%;
    }
    
    .location-item {
        padding: 12px;
    }
    
    .location-item svg {
        width: 20px;
        height: 20px;
    }
    
    /* About section */
    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .about-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .stat-item {
        padding: 25px 15px;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    .stat-label {
        font-size: 0.85rem;
    }
    
    /* Contact section */
    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .contact-form {
        padding: 30px 20px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .form-group {
        margin-bottom: 20px;
    }
    
    .form-group input,
    .form-group textarea {
        font-size: 1rem;
        padding: 14px 18px;
    }
    
    .contact-item {
        padding: 20px;
    }
    
    .contact-item svg {
        width: 32px;
        height: 32px;
    }
    
    /* Footer */
    .footer {
        padding: 50px 0 25px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .footer-brand {
        max-width: 100%;
    }
    
    .footer-column {
        text-align: left;
    }
    
    /* Cart page */
    .cart-page {
        padding: 120px 0 60px;
    }
    
    .cart-page-title {
        font-size: 2rem;
        margin-bottom: 30px;
    }
    
    .cart-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .cart-item {
        grid-template-columns: 80px 1fr;
        gap: 15px;
        padding: 20px;
    }
    
    .cart-item-image {
        width: 80px;
        height: 80px;
    }
    
    .cart-item-info h4 {
        font-size: 1rem;
    }
    
    .cart-item-price {
        font-size: 1.1rem;
        grid-column: 2;
        margin-top: 10px;
    }
    
    .cart-quantity {
        grid-column: 2;
        margin-top: 10px;
    }
    
    .cart-quantity button {
        min-width: 40px;
        min-height: 40px;
    }
    
    .cart-item-remove {
        grid-column: 2;
        text-align: right;
        margin-top: 10px;
    }
    
    .cart-summary {
        position: static;
    }
    
    /* Checkout page */
    .checkout-page {
        padding: 120px 0 60px;
    }
    
    .checkout-title {
        font-size: 2rem;
        margin-bottom: 30px;
    }
    
    .checkout-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .checkout-form {
        padding: 30px 20px;
    }
    
    .checkout-form .form-row {
        grid-template-columns: 1fr;
    }
    
    .checkout-order-summary {
        position: static;
    }
    
    .checkout-progress {
        flex-wrap: wrap;
        gap: 10px;
    }
    
    .progress-line {
        display: none;
    }
    
    /* Category pages */
    .category-header {
        padding: 120px 15px 0;
        min-height: 50vh;
        line-height: 0;
        font-size: 0;
    }
    
    .category-header .hero-video-container {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        line-height: 0;
        font-size: 0;
    }
    
    .category-header .hero-video {
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        width: auto;
        height: auto;
        min-width: 100%;
        min-height: 100%;
        object-fit: cover;
        display: block;
        margin: 0;
        padding: 0;
        border: 0;
    }
    
    .category-header::before {
        display: block;
        margin: 0;
        padding: 0;
    }
    
    .category-header .container {
        line-height: 1.6;
        font-size: 1rem;
    }
    
    .category-title {
        font-size: 2rem;
    }
    
    .category-subtitle {
        font-size: 1rem;
    }
    
    /* About page */
    .about-header {
        padding: 120px 15px 60px;
    }
    
    .about-title {
        font-size: 2rem;
    }
    
    .about-subtitle {
        font-size: 1rem;
    }
    
    .about-main {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .about-image img {
        max-width: 250px;
        margin: 0 auto;
    }
    
    .about-text h2 {
        font-size: 1.75rem;
    }
    
    .about-text p {
        font-size: 1rem;
    }
    
    .mission-vision-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .mission-card,
    .vision-card,
    .values-card {
        padding: 30px 20px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    /* Contact page */
    .contact-header {
        padding: 120px 15px 60px;
    }
    
    .contact-title {
        font-size: 2rem;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-form-wrapper,
    .contact-info-card {
        padding: 30px 20px;
    }
    
    .contact-map {
        height: 300px;
    }
    
    /* Buttons - Touch-friendly */
    .btn {
        min-height: 44px;
        padding: 14px 28px;
        font-size: 0.95rem;
    }
    
    button {
        min-height: 44px;
    }
    
    /* Text wrapping */
    h1, h2, h3, h4, h5, h6,
    p, span, a, li {
        word-wrap: break-word;
        overflow-wrap: break-word;
    }
    
    /* Images responsive */
    img {
        max-width: 100%;
        height: auto;
    }
}

/* ========================================
   SMALL MOBILE: 480px and below
   ======================================== */
@media (max-width: 480px) {
    /* Typography */
    html {
        font-size: 14px;
    }
    
    /* Navbar */
    .nav-logo img {
        width: 45px;
        height: 45px;
    }
    
    .nav-brand-full {
        font-size: 0.9rem;
    }
    
    .nav-brand-full .brand-sub {
        font-size: 0.65rem;
    }
    
    /* Hero */
    .hero {
        padding: 90px 10px 50px;
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    .hero-subtitle {
        font-size: 0.9rem;
    }
    
    /* Sections */
    .section {
        padding: 50px 0;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .section-subtitle {
        font-size: 0.85rem;
    }
    
    /* Products - Single column */
    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
        gap: 12px;
    }
    
    .product-card,
    .card-wrapper {
        max-width: 100%;
    }
    
    .card-image-container {
        height: 130px;
    }
    
    .card-content {
        padding: 10px;
    }
    
    .card-title {
        font-size: 0.8rem;
    }
    
    .card-description {
        font-size: 0.7rem;
    }
    
    .card-weight {
        font-size: 0.75rem;
    }
    
    .card-price {
        font-size: 1rem;
    }
    
    .card-btn-add {
        padding: 8px 10px;
        font-size: 0.65rem;
    }
    
    /* Cart */
    .cart-item {
        grid-template-columns: 70px 1fr;
        padding: 15px;
    }
    
    .cart-item-image {
        width: 70px;
        height: 70px;
    }
    
    /* Stats */
    .about-stats,
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    /* Fast links */
    .fast-links-grid {
        grid-template-columns: 1fr;
    }
    
    /* Forms */
    .contact-form,
    .checkout-form {
        padding: 25px 15px;
    }
    
    .form-group input,
    .form-group textarea {
        font-size: 0.95rem;
    }
    
    /* Footer */
    .footer {
        padding: 40px 0 20px;
    }
    
    .footer-content {
        gap: 25px;
    }
}

/* ========================================
   EXTRA SMALL: 360px and below
   ======================================== */
@media (max-width: 360px) {
    .container {
        padding: 0 10px;
    }
    
    .hero-title {
        font-size: 1.5rem;
    }
    
    .section-title {
        font-size: 1.3rem;
    }
    
    .card-btn-add {
        padding: 8px 12px;
        font-size: 0.65rem;
    }
}

/* ========================================
   LANDSCAPE MOBILE FIX
   ======================================== */
@media (max-height: 500px) and (orientation: landscape) {
    .hero {
        min-height: auto;
        padding: 80px 15px 40px;
    }
    
    .category-header {
        min-height: auto;
        padding: 100px 15px 40px;
    }
}

/* ========================================
   PREVENT LAYOUT BREAKS
   ======================================== */
@media (max-width: 768px) {
    /* Prevent overflow */
    .hero-content,
    .section,
    .container,
    .products-grid,
    .card-wrapper,
    .footer-content {
        overflow-x: hidden;
    }
    
    /* Ensure all containers fit viewport */
    .nav-container,
    .hero,
    .section,
    .footer {
        max-width: 100vw;
    }
    
    /* Fix video overflow and grey space underneath */
    video {
        max-width: 100%;
        display: block;
        line-height: 0;
        font-size: 0;
        margin: 0;
        padding: 0;
        border: 0;
        vertical-align: bottom;
    }
    
    /* Remove grey space under videos in containers */
    .hero-video-container,
    .category-header .hero-video-container {
        line-height: 0;
        font-size: 0;
    }
    
    .hero-video,
    .category-header .hero-video {
        display: block;
        vertical-align: bottom;
        margin: 0;
        padding: 0;
        border: 0;
    }
    
    /* Reset text styles for content */
    .hero-content,
    .category-header .container {
        line-height: 1.6;
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .navbar .nav-menu > li:last-child:not(.nav-cart-desktop) {
        top: 35px !important;
    }
}

/* Disable card hover effects on phone/touch devices (glitch prevention) */
@media (max-width: 768px), (hover: none) and (pointer: coarse) {
    .product-card:hover,
    .card-wrapper:hover {
        transform: none !important;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1) !important;
    }

    .product-card:hover::before {
        opacity: 0 !important;
        transform: none !important;
    }

    .product-card:hover .card-image,
    .product-card:hover .product-image,
    .card-wrapper:hover .card-image {
        transform: none !important;
    }

    .product-card,
    .card-wrapper,
    .card-image,
    .card-image-container,
    .card-content,
    .card-floating-elements,
    .floating-element {
        transition: none !important;
        animation: none !important;
    }

    .reveal,
    .reveal-left,
    .reveal-right {
        opacity: 1 !important;
        transform: none !important;
        transition: none !important;
    }
}

/* Final responsive button tuning for add-to-cart text on phones */
@media (max-width: 768px) {
    .card-btn-add,
    .btn-add-cart {
        font-size: clamp(0.52rem, 2.1vw, 0.66rem) !important;
        line-height: 1.15 !important;
        letter-spacing: 0.01em !important;
        white-space: nowrap !important;
        overflow: hidden;
        text-overflow: ellipsis;
        min-height: 30px !important;
        padding: 6px 8px !important;
    }

    .card-btn-add .btn-text,
    .btn-add-cart .btn-text {
        font-size: inherit !important;
        line-height: inherit !important;
    }
}

@media (max-width: 480px) {
    .card-btn-add,
    .btn-add-cart {
        font-size: clamp(0.48rem, 2.8vw, 0.58rem) !important;
        min-height: 28px !important;
        padding: 5px 7px !important;
    }
}

@media (max-width: 768px) {
    .card-btn-add.item-added,
    .btn-add-cart.item-added {
        font-size: clamp(0.44rem, 2vw, 0.55rem) !important;
        line-height: 1.05 !important;
        letter-spacing: 0 !important;
        white-space: normal !important;
        text-overflow: clip;
        min-height: 30px !important;
        padding: 4px 6px !important;
    }
}

/* Final mobile fix: guaranteed inner spacing + safe font size on all phones */
@media (max-width: 768px) {
    .card-btn-add,
    .btn-add-cart {
        box-sizing: border-box !important;
        display: inline-flex !important;
        align-items: center !important;
        justify-content: center !important;
        width: auto;
        max-width: 100%;
        padding: 9px 16px !important;
        min-height: 32px !important;
        font-size: clamp(0.5rem, 1.9vw, 0.62rem) !important;
        line-height: 1.1 !important;
        letter-spacing: 0 !important;
        white-space: nowrap !important;
        overflow: hidden;
        text-overflow: ellipsis;
        border-radius: 8px;
    }

    .card-btn-add.item-added,
    .btn-add-cart.item-added {
        padding: 8px 14px !important;
        font-size: clamp(0.46rem, 1.7vw, 0.56rem) !important;
        line-height: 1.05 !important;
    }
}

@media (max-width: 480px) {
    .card-btn-add,
    .btn-add-cart {
        padding: 9px 15px !important;
        min-height: 30px !important;
        font-size: clamp(0.46rem, 2.4vw, 0.56rem) !important;
    }

    .card-btn-add.item-added,
    .btn-add-cart.item-added {
        padding: 8px 13px !important;
        font-size: clamp(0.42rem, 2.2vw, 0.52rem) !important;
    }
}