/**
 * Strive Hunt Responsive Design System
 * Advanced responsive utilities and mobile-first design
 * Version: 1.0
 */

/* ===== Mobile Navigation ===== */
.mobile-menu-toggle {
    display: none;
    width: 40px;
    height: 40px;
    background: transparent;
    border: none;
    cursor: pointer;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    padding: 8px;
    border-radius: var(--radius-md);
    transition: var(--transition-base);
}

.mobile-menu-toggle:hover {
    background: var(--bg-gray-100);
}

.mobile-menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all 0.3s ease;
    border-radius: 2px;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* Mobile Navigation Menu */
.mobile-nav {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--bg-white);
    box-shadow: var(--shadow-xl);
    padding: var(--spacing-lg);
    z-index: var(--z-dropdown);
    max-height: calc(100vh - 70px);
    overflow-y: auto;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.mobile-nav.active {
    display: block;
}

.mobile-nav nav {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.mobile-nav nav a {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    transition: var(--transition-base);
    color: var(--text-primary);
    text-decoration: none;
    font-weight: var(--font-weight-semibold);
}

.mobile-nav nav a:hover {
    background: var(--bg-gray-100);
    color: var(--color-primary-blue);
}

.mobile-nav .header-buttons {
    margin-top: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.mobile-nav .header-buttons .btn {
    width: 100%;
    justify-content: center;
}

/* ===== Responsive Grid System ===== */
.grid {
    display: grid;
    gap: var(--spacing-lg);
}

.grid-cols-1 { grid-template-columns: 1fr; }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
.grid-cols-5 { grid-template-columns: repeat(5, 1fr); }

/* ===== Responsive Utilities ===== */
.container {
    width: 100%;
    max-width: var(--container-xl);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--container-padding-lg);
    padding-right: var(--container-padding-lg);
}

/* ===== Breakpoint: Large Desktop (1280px+) ===== */
@media (min-width: 1280px) {
    .container {
        padding-left: var(--container-padding-lg);
        padding-right: var(--container-padding-lg);
    }
}

/* ===== Breakpoint: Desktop (1024px - 1279px) ===== */
@media (max-width: 1279px) {
    .container {
        padding-left: var(--container-padding-md);
        padding-right: var(--container-padding-md);
    }

    .grid-cols-5 {
        grid-template-columns: repeat(3, 1fr);
    }

    .grid-cols-4 {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ===== Breakpoint: Tablet (768px - 1023px) ===== */
@media (max-width: 1023px) {
    .container {
        padding-left: var(--container-padding-md);
        padding-right: var(--container-padding-md);
    }

    .grid-cols-5,
    .grid-cols-4,
    .grid-cols-3 {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Show mobile menu toggle */
    .mobile-menu-toggle {
        display: flex;
    }

    /* Hide desktop nav */
    .header-left nav {
        display: none !important;
    }

    /* Adjust header buttons */
    .header-right {
        gap: var(--spacing-sm);
    }
}

/* ===== Breakpoint: Mobile (480px - 767px) ===== */
@media (max-width: 767px) {
    /* Base font size scaling */
    html {
        font-size: 14px;
    }

    .container {
        padding-left: var(--container-padding-sm);
        padding-right: var(--container-padding-sm);
    }

    .grid-cols-5,
    .grid-cols-4,
    .grid-cols-3,
    .grid-cols-2 {
        grid-template-columns: 1fr;
    }

    /* Typography adjustments with viewport width scaling */
    h1 {
        font-size: clamp(1.5rem, 5vw, 2rem) !important;
        line-height: 1.2;
    }

    h2 {
        font-size: clamp(1.25rem, 4vw, 1.5rem) !important;
    }

    h3 {
        font-size: clamp(1.125rem, 3.5vw, 1.25rem) !important;
    }

    h4 {
        font-size: 1rem !important;
    }

    h5 {
        font-size: 0.875rem !important;
    }

    /* Paragraph and body text */
    p, body {
        font-size: 0.875rem;
        line-height: 1.6;
    }

    /* Hide some header buttons on very small screens */
    .header-right .btn-login {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--font-size-sm);
    }

    .header-right .btn-register {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--font-size-sm);
    }

    /* Logo adjustments */
    .logo-text {
        font-size: var(--font-size-xl) !important;
    }

    .logo-icon {
        width: 36px !important;
        height: 36px !important;
        font-size: var(--font-size-lg) !important;
    }

    /* Card padding adjustments - more aggressive */
    .card {
        padding: var(--spacing-md);
    }

    /* Button size adjustments */
    .btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.8125rem;
    }

    .btn-lg {
        padding: var(--spacing-sm) var(--spacing-lg);
        font-size: var(--font-size-sm);
    }

    /* Section padding */
    section {
        padding: var(--spacing-lg) 0;
    }

    /* Form elements scaling */
    input, textarea, select {
        font-size: 0.875rem !important;
        padding: 0.625rem 0.875rem !important;
    }

    /* Reduce spacing between elements */
    .mb-8 { margin-bottom: var(--spacing-lg) !important; }
    .mb-6 { margin-bottom: var(--spacing-md) !important; }
    .mt-8 { margin-top: var(--spacing-lg) !important; }
    .mt-6 { margin-top: var(--spacing-md) !important; }
}

/* ===== Breakpoint: Small Mobile (< 480px) ===== */
@media (max-width: 479px) {
    /* Even more aggressive base font scaling */
    html {
        font-size: 13px;
    }

    .container {
        padding-left: var(--spacing-sm);
        padding-right: var(--spacing-sm);
    }

    /* Further reduce header elements */
    .header-content {
        padding: var(--spacing-xs) var(--spacing-sm);
    }

    .logo-text {
        display: none;
    }

    .logo-icon {
        width: 32px !important;
        height: 32px !important;
        font-size: 1rem !important;
    }

    /* Stack buttons vertically if needed */
    .header-buttons {
        gap: var(--spacing-xs);
    }

    .header-right .btn-login,
    .header-right .btn-register {
        padding: 0.375rem 0.625rem;
        font-size: 0.75rem;
    }

    .btn {
        padding: 0.5rem 0.75rem;
        font-size: 0.75rem;
    }

    /* Reduce card padding more */
    .card {
        padding: var(--spacing-sm);
    }

    /* Make search inputs stack */
    .search-grid {
        grid-template-columns: 1fr !important;
        gap: var(--spacing-xs) !important;
    }

    /* Adjust hero text with viewport scaling */
    h1 {
        font-size: clamp(1.25rem, 6vw, 1.5rem) !important;
    }

    h2 {
        font-size: clamp(1.125rem, 5vw, 1.25rem) !important;
    }

    h3 {
        font-size: 1rem !important;
    }

    p, body {
        font-size: 0.8125rem;
    }

    /* Form inputs even smaller */
    input, textarea, select {
        font-size: 0.8125rem !important;
        padding: 0.5rem 0.75rem !important;
    }

    /* Tighter spacing */
    section {
        padding: var(--spacing-md) 0;
    }

    .mb-8, .mt-8 {
        margin-bottom: var(--spacing-md) !important;
        margin-top: var(--spacing-md) !important;
    }

    .mb-6, .mt-6 {
        margin-bottom: var(--spacing-sm) !important;
        margin-top: var(--spacing-sm) !important;
    }
}

/* ===== Responsive Text Utilities ===== */
.text-responsive-sm {
    font-size: var(--font-size-sm);
}

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

@media (max-width: 767px) {
    .text-responsive-sm {
        font-size: var(--font-size-xs);
    }

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

/* ===== Responsive Spacing ===== */
.section-padding {
    padding: var(--spacing-3xl) 0;
}

@media (max-width: 1023px) {
    .section-padding {
        padding: var(--spacing-2xl) 0;
    }
}

@media (max-width: 767px) {
    .section-padding {
        padding: var(--spacing-xl) 0;
    }
}

/* ===== Responsive Images ===== */
img {
    max-width: 100%;
    height: auto;
}

/* ===== Responsive Tables ===== */
@media (max-width: 767px) {
    table {
        display: block;
        overflow-x: auto;
        white-space: nowrap;
    }
}

/* ===== Hide/Show Utilities ===== */
.hide-mobile {
    display: block;
}

.show-mobile {
    display: none;
}

@media (max-width: 767px) {
    .hide-mobile {
        display: none !important;
    }

    .show-mobile {
        display: block !important;
    }
}

.hide-tablet {
    display: block;
}

.show-tablet {
    display: none;
}

@media (max-width: 1023px) {
    .hide-tablet {
        display: none !important;
    }

    .show-tablet {
        display: block !important;
    }
}

/* ===== Responsive Flexbox Utilities ===== */
@media (max-width: 767px) {
    .flex-mobile-col {
        flex-direction: column !important;
    }

    .flex-mobile-wrap {
        flex-wrap: wrap !important;
    }
}

/* ===== Touch-Friendly Interactive Elements ===== */
@media (hover: none) and (pointer: coarse) {
    /* Increase tap target sizes for touch devices */
    .btn,
    .icon-btn,
    a {
        min-height: 44px;
        min-width: 44px;
    }

    /* Remove hover effects on touch */
    .btn:hover,
    .card:hover,
    .icon-btn:hover {
        transform: none;
    }

    /* But keep active states for feedback */
    .btn:active {
        transform: scale(0.98);
    }
}

/* ===== Responsive Gap Utilities ===== */
.gap-responsive {
    gap: var(--spacing-lg);
}

@media (max-width: 1023px) {
    .gap-responsive {
        gap: var(--spacing-md);
    }
}

@media (max-width: 767px) {
    .gap-responsive {
        gap: var(--spacing-sm);
    }
}

/* ===== Print Styles ===== */
@media print {
    .header,
    .footer,
    .mobile-nav,
    .mobile-menu-toggle,
    .btn {
        display: none !important;
    }

    body {
        background: white !important;
    }

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

/* ===== Smooth Scrolling for All Devices ===== */
@media (prefers-reduced-motion: no-preference) {
    html {
        scroll-behavior: smooth;
    }
}

/* ===== Accessibility: Respect User Motion Preferences ===== */
@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;
    }
}