/* ========================================
   COMPREHENSIVE RESPONSIVE DESIGN
   Mobile-First Approach
   ======================================== */

/* ========================================
   BASE RESPONSIVE UTILITIES
   ======================================== */

/* Ensure proper box sizing */
*, *::before, *::after {
    box-sizing: border-box;
}

/* Prevent horizontal scroll */
html, body {
    overflow-x: hidden;
    width: 100%;
}

/* Responsive images and media */
img, video, iframe {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ========================================
   HEADER & NAVIGATION - RESPONSIVE
   ======================================== */

/* Mobile: <= 768px */
@media (max-width: 768px) {
    /* Header adjustments */
    header {
        padding: 0 !important;
    }

    nav {
        height: 64px !important;
        padding: 0 1rem !important;
    }

    /* Logo size reduction */
    .logo {
        font-size: 1.1rem !important;
        gap: 0.5rem !important;
    }

    .logo-img {
        height: 32px !important;
        width: 32px !important;
    }

    .logo-text {
        font-size: 1.1rem !important;
    }

    /* Hide desktop navigation */
    .nav-links {
        display: none !important;
    }

    /* Show mobile menu button */
    .mobile-menu-button {
        display: flex !important;
        z-index: 1002;
    }

    /* Mobile menu improvements */
    .mobile-menu-overlay {
        padding: 0;
    }

    .mobile-menu-content {
        padding: 1rem;
        overflow-y: auto;
    }

    .mobile-menu-header {
        padding: 1rem;
        margin-bottom: 1.5rem;
    }

    .mobile-nav-link {
        font-size: 1.2rem !important;
        padding: 0.75rem 1rem !important;
    }

    /* Adjust main content to account for fixed header */
    main {
        padding-top: 64px;
    }

    /* Profile header for profile page */
    .profile-header nav {
        height: 64px !important;
        padding: 0 1rem !important;
    }
}

/* Tablet: 769px - 1024px */
@media (min-width: 769px) and (max-width: 1024px) {
    nav {
        padding: 0 1.5rem !important;
    }

    .nav-links {
        gap: 1rem !important;
    }

    .nav-link {
        font-size: 0.9rem !important;
        padding: 0.4rem 0.75rem !important;
    }

    .logo-img {
        height: 36px !important;
        width: 36px !important;
    }
}

/* Desktop: > 1024px */
@media (min-width: 1025px) {
    .mobile-menu-button {
        display: none !important;
    }

    .mobile-menu-overlay {
        display: none !important;
    }
}

/* ========================================
   AUTH SECTION - RESPONSIVE
   ======================================== */

@media (max-width: 768px) {
    /* Auth section hidden on mobile - shown in mobile menu instead */
    .auth-section {
        display: none !important;
    }

    /* Mobile auth links in mobile menu */
    .mobile-login-btn,
    .mobile-profile-link,
    .mobile-logout-btn {
        display: flex !important;
        align-items: center;
        gap: 12px;
        font-size: 1.1rem;
        color: var(--text-color);
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    /* Tablet - compact auth section */
    .btn-login {
        padding: 8px 16px !important;
        font-size: 13px !important;
    }

    .profile-trigger {
        padding: 6px 12px !important;
        font-size: 13px !important;
    }

    .profile-trigger span {
        display: none !important; /* Hide name on tablet */
    }

    .profile-menu {
        width: 240px !important;
    }
}

/* ========================================
   HERO SECTION - RESPONSIVE
   ======================================== */

@media (max-width: 480px) {
    .hero {
        padding: 2rem 1rem !important;
    }

    .hero-title {
        font-size: 1.75rem !important;
        line-height: 1.2 !important;
    }

    .hero-sub {
        font-size: 0.95rem !important;
        line-height: 1.5 !important;
    }

    .hero-badge-top {
        font-size: 0.7rem !important;
    }

    .pulse-badge {
        padding: 0.4rem 0.8rem !important;
    }

    .hero-cta {
        flex-direction: column !important;
        gap: 0.75rem !important;
        width: 100% !important;
    }

    .hero-cta .btn {
        width: 100% !important;
        padding: 0.875rem 1.5rem !important;
        font-size: 0.95rem !important;
    }

    .payment-info {
        font-size: 0.8rem !important;
        margin-top: 1rem !important;
    }

    .hero-stats {
        flex-direction: column !important;
        gap: 1rem !important;
    }

    .stat-item {
        text-align: center !important;
        width: 100% !important;
    }

    .stat-number {
        font-size: 1rem !important;
    }
}

@media (min-width: 481px) and (max-width: 768px) {
    .hero {
        padding: 3rem 1.5rem !important;
    }

    .hero-title {
        font-size: 2.25rem !important;
        line-height: 1.2 !important;
    }

    .hero-sub {
        font-size: 1rem !important;
    }

    .hero-cta {
        flex-direction: column !important;
        gap: 1rem !important;
    }

    .hero-cta .btn {
        width: 100% !important;
        padding: 1rem 2rem !important;
    }

    .hero-stats {
        flex-direction: column !important;
        gap: 1.25rem !important;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .hero {
        padding: 4rem 2rem !important;
    }

    .hero-title {
        font-size: 2.75rem !important;
    }

    .hero-sub {
        font-size: 1.1rem !important;
    }

    .hero-container {
        grid-template-columns: 1fr !important;
        text-align: center !important;
    }

    .hero-left {
        align-items: center !important;
    }

    .hero-right {
        display: none !important;
    }
}

/* ========================================
   SECTIONS - RESPONSIVE
   ======================================== */

@media (max-width: 480px) {
    section {
        padding: 2rem 1rem !important;
    }

    .section-title h2 {
        font-size: 1.5rem !important;
        line-height: 1.3 !important;
    }

    .section-title p {
        font-size: 0.9rem !important;
    }
}

@media (min-width: 481px) and (max-width: 768px) {
    section {
        padding: 3rem 1.5rem !important;
    }

    .section-title h2 {
        font-size: 2rem !important;
    }

    .section-title p {
        font-size: 1rem !important;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    section {
        padding: 4rem 2rem !important;
    }

    .section-title h2 {
        font-size: 2.25rem !important;
    }
}

/* ========================================
   FEATURES SECTION - RESPONSIVE
   ======================================== */

@media (max-width: 640px) {
    .features-grid,
    .feature-grid {
        grid-template-columns: 1fr !important;
        gap: 1.25rem !important;
    }

    .feature-card {
        padding: 1.25rem !important;
    }

    .feature-icon {
        font-size: 2rem !important;
        width: 56px !important;
        height: 56px !important;
    }

    .feature-card h3 {
        font-size: 1.1rem !important;
    }

    .feature-card p {
        font-size: 0.9rem !important;
    }
}

@media (min-width: 641px) and (max-width: 1024px) {
    .features-grid,
    .feature-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 1.5rem !important;
    }
}

/* ========================================
   PRICING SECTION - RESPONSIVE
   ======================================== */

@media (max-width: 640px) {
    .pricing,
    .pricing-section {
        padding: 2rem 1rem !important;
    }

    .pricing-grid,
    .pricing-grid-three {
        grid-template-columns: 1fr !important;
        gap: 1.5rem !important;
    }

    .pricing-card,
    .pricing-card-modern {
        transform: none !important;
        margin: 0 !important;
    }

    .pricing-card.featured,
    .pricing-card-modern.featured {
        transform: none !important;
        order: -1;
    }

    .price-amount {
        font-size: 2.5rem !important;
    }

    .pricing-benefits {
        flex-direction: column !important;
        gap: 0.75rem !important;
        align-items: flex-start !important;
    }

    .benefit-badge {
        font-size: 0.8rem !important;
        padding: 0.4rem 0.8rem !important;
        width: 100% !important;
        text-align: center !important;
    }

    .get-credits-btn {
        width: 100% !important;
        padding: 1rem !important;
        font-size: 1rem !important;
    }
}

@media (min-width: 641px) and (max-width: 1024px) {
    .pricing-grid-three {
        grid-template-columns: repeat(2, 1fr) !important;
        max-width: 800px !important;
        margin: 0 auto !important;
    }

    .pricing-card-modern.featured {
        grid-column: 1 / -1 !important;
        max-width: 400px !important;
        margin: 0 auto !important;
    }

    .pricing-benefits {
        flex-wrap: wrap !important;
        gap: 0.75rem !important;
    }
}

/* ========================================
   DOWNLOAD SECTION & PAGE - RESPONSIVE
   ======================================== */

@media (max-width: 640px) {
    .download-section {
        padding: 2rem 1rem !important;
        border-radius: 1rem !important;
    }

    .download-header h2 {
        font-size: 1.5rem !important;
    }

    .download-header p {
        font-size: 0.95rem !important;
    }

    .download-options,
    .download-grid,
    .platforms-grid {
        grid-template-columns: 1fr !important;
        gap: 1rem !important;
    }

    .download-card,
    .platform-card {
        padding: 1.25rem !important;
    }

    .platform-icon {
        font-size: 2.5rem !important;
    }

    .download-btn {
        width: 100% !important;
        padding: 0.875rem 1.5rem !important;
        font-size: 0.95rem !important;
    }

    /* Download page specific */
    .download-hero {
        padding: 3rem 1rem !important;
    }

    .download-hero h1 {
        font-size: 2rem !important;
    }

    .download-content {
        padding: 2rem 1rem !important;
    }

    .guide-section,
    .requirements-section {
        padding: 1.5rem 1rem !important;
    }
}

@media (min-width: 641px) and (max-width: 1024px) {
    .download-options,
    .download-grid,
    .platforms-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 1.5rem !important;
    }

    .download-hero {
        padding: 4rem 2rem !important;
    }
}

/* ========================================
   FOOTER - RESPONSIVE
   ======================================== */

@media (max-width: 640px) {
    footer {
        padding: 2rem 0 !important;
        margin-top: 3rem !important;
    }

    .footer-content {
        grid-template-columns: 1fr !important;
        gap: 2rem !important;
        padding: 0 1rem !important;
        text-align: center !important;
    }

    .footer-section {
        text-align: center !important;
    }

    .footer-logo {
        justify-content: center !important;
        margin: 0 auto !important;
    }

    .social-links {
        justify-content: center !important;
    }

    .footer-section ul {
        display: flex !important;
        flex-direction: column !important;
        align-items: center !important;
    }

    .footer-bottom {
        flex-direction: column !important;
        gap: 1rem !important;
        padding: 1.5rem 1rem !important;
        text-align: center !important;
    }

    .footer-badges {
        flex-direction: column !important;
        gap: 0.75rem !important;
        width: 100% !important;
    }

    .footer-badges .badge {
        width: 100% !important;
        justify-content: center !important;
    }
}

@media (min-width: 641px) and (max-width: 1024px) {
    footer {
        padding: 2.5rem 0 !important;
    }

    .footer-content {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 2rem !important;
        padding: 0 1.5rem !important;
    }

    .footer-section:first-child {
        grid-column: 1 / -1 !important;
        text-align: center !important;
    }

    .footer-section:first-child .footer-logo {
        justify-content: center !important;
    }

    .footer-section:first-child p {
        text-align: center !important;
    }

    .footer-section:first-child .social-links {
        justify-content: center !important;
    }

    .footer-bottom {
        flex-wrap: wrap !important;
        gap: 1rem !important;
        justify-content: center !important;
        padding: 1.5rem 1.5rem !important;
    }
}

/* ========================================
   PROFILE PAGE - RESPONSIVE
   ======================================== */

@media (max-width: 768px) {
    .profile-container {
        padding: 1rem !important;
        margin-top: 64px !important;
    }

    .profile-grid {
        grid-template-columns: 1fr !important;
        gap: 1.5rem !important;
    }

    .profile-card {
        padding: 1.25rem !important;
    }

    .profile-sidebar {
        position: static !important;
    }

    .profile-section-header h3 {
        font-size: 1.25rem !important;
    }

    .stat-grid {
        grid-template-columns: 1fr !important;
        gap: 1rem !important;
    }

    .activity-item {
        padding: 0.875rem !important;
    }

    .subscription-action {
        width: 100% !important;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .profile-container {
        padding: 1.5rem !important;
    }

    .profile-grid {
        grid-template-columns: 1fr !important;
        gap: 2rem !important;
    }
}

/* ========================================
   AUTH PAGE - RESPONSIVE
   ======================================== */

@media (max-width: 640px) {
    .auth-container {
        padding: 1rem !important;
    }

    .auth-box {
        padding: 1.5rem !important;
        margin: 0 !important;
    }

    .auth-tabs {
        flex-direction: row !important;
        gap: 0.5rem !important;
    }

    .auth-tab {
        padding: 0.75rem 1rem !important;
        font-size: 14px !important;
    }

    .form-group label {
        font-size: 14px !important;
    }

    .form-input {
        padding: 0.75rem 1rem !important;
        font-size: 14px !important;
    }

    .submit-btn,
    .oauth-btn {
        padding: 0.875rem 1.5rem !important;
        font-size: 14px !important;
    }

    .back-btn {
        position: static !important;
        margin-bottom: 1rem !important;
    }

    /* Modal responsive */
    .modal-content {
        padding: 1.5rem !important;
        margin: 1rem !important;
        max-width: calc(100% - 2rem) !important;
    }

    .modal-header h3 {
        font-size: 1.25rem !important;
    }
}

/* ========================================
   PAYMENT PAGE - RESPONSIVE
   ======================================== */

@media (max-width: 768px) {
    .payment-container {
        padding: 1rem !important;
        margin-top: 64px !important;
    }

    .payment-card {
        padding: 1.5rem !important;
    }

    .product-info {
        flex-direction: column !important;
        text-align: center !important;
    }

    .product-icon {
        margin: 0 auto !important;
    }

    .price-breakdown {
        padding: 1rem !important;
    }

    .pay-btn {
        width: 100% !important;
        padding: 1rem !important;
        font-size: 1rem !important;
    }

    .security-badges {
        flex-direction: column !important;
        gap: 0.75rem !important;
    }
}

/* ========================================
   USER GUIDE / STEPS - RESPONSIVE
   ======================================== */

@media (max-width: 768px) {
    .guide-container,
    .steps-container {
        grid-template-columns: 1fr !important;
        gap: 1.5rem !important;
    }

    .step {
        padding: 1.25rem !important;
    }

    .step-number {
        font-size: 1.5rem !important;
        width: 40px !important;
        height: 40px !important;
    }
}

/* ========================================
   BUTTONS - RESPONSIVE
   ======================================== */

@media (max-width: 640px) {
    .btn {
        padding: 0.875rem 1.5rem !important;
        font-size: 0.95rem !important;
    }

    .btn-primary,
    .btn-secondary {
        width: 100% !important;
        text-align: center !important;
    }
}

/* ========================================
   PROFILE DROPDOWN - MOBILE FIX
   ======================================== */

@media (max-width: 768px) {
    .profile-menu {
        position: fixed !important;
        top: 64px !important;
        right: 1rem !important;
        left: 1rem !important;
        width: auto !important;
        max-width: 320px !important;
        margin: 0 auto !important;
    }
}

/* ========================================
   THEME TOGGLE - RESPONSIVE
   ======================================== */

@media (max-width: 768px) {
    .theme-toggle {
        display: none !important;
    }

    .mobile-theme-toggle {
        display: flex !important;
        justify-content: space-between !important;
        align-items: center !important;
        padding: 1rem !important;
        font-size: 1.1rem !important;
        color: var(--text-color) !important;
    }
}

@media (min-width: 769px) {
    .mobile-theme-toggle {
        display: none !important;
    }
}

/* ========================================
   CONTAINER RESPONSIVE WIDTHS
   ======================================== */

.container,
.hero-container,
.download-content {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding-left: 1rem;
    padding-right: 1rem;
}

@media (min-width: 640px) {
    .container,
    .hero-container,
    .download-content {
        padding-left: 1.5rem;
        padding-right: 1.5rem;
    }
}

@media (min-width: 1024px) {
    .container,
    .hero-container,
    .download-content {
        padding-left: 2rem;
        padding-right: 2rem;
    }
}

/* ========================================
   SCROLL PROGRESS - RESPONSIVE
   ======================================== */

.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    z-index: 9999;
    transition: width 0.1s ease;
}

@media (max-width: 768px) {
    .scroll-progress {
        height: 2px;
    }
}

/* ========================================
   LANDSCAPE MOBILE FIXES
   ======================================== */

@media (max-height: 500px) and (orientation: landscape) {
    .hero {
        padding: 2rem 1rem !important;
    }

    .hero-title {
        font-size: 1.75rem !important;
    }

    .mobile-menu-content {
        padding: 1rem;
    }

    .mobile-nav-link {
        padding: 0.5rem 1rem;
        font-size: 1rem;
    }

    nav {
        height: 56px !important;
    }

    main {
        padding-top: 56px !important;
    }
}

/* ========================================
   ACCESSIBILITY - TOUCH TARGETS
   ======================================== */

@media (hover: none) and (pointer: coarse) {
    /* Increase touch targets for mobile */
    .nav-link,
    .mobile-nav-link,
    .btn,
    .profile-menu-item {
        min-height: 44px;
        display: flex;
        align-items: center;
    }

    button,
    a.btn {
        min-height: 44px;
    }
}

/* ========================================
   TABLES - RESPONSIVE
   ======================================== */

@media (max-width: 768px) {
    table {
        display: block;
        overflow-x: auto;
        white-space: nowrap;
    }

    .activity-table {
        font-size: 0.875rem !important;
    }
}

/* ========================================
   FORMS - RESPONSIVE
   ======================================== */

@media (max-width: 640px) {
    .form-row {
        flex-direction: column !important;
        gap: 1rem !important;
    }

    .form-group {
        width: 100% !important;
    }
}

/* ========================================
   PRINT STYLES
   ======================================== */

@media print {
    header,
    footer,
    .mobile-menu-overlay,
    .theme-toggle,
    .scroll-progress,
    .back-btn,
    button {
        display: none !important;
    }

    body {
        background: white !important;
        color: black !important;
    }

    a {
        text-decoration: underline !important;
    }

    .container,
    section {
        max-width: 100% !important;
        padding: 0 !important;
    }
}