/**
 * iboczek.pl - Główne style
 * Nowoczesny ciemny motyw z neonowymi akcentami
 */

/* ========================================
   CSS Variables / Design Tokens
   ======================================== */
:root {
    /* Główne kolory */
    --color-bg-primary: #0a0a0f;
    --color-bg-secondary: #12121a;
    --color-bg-tertiary: #1a1a25;
    --color-bg-card: #16161f;
    --color-bg-glass: rgba(22, 22, 31, 0.8);
    
    /* Akcenty */
    --color-accent-primary: #00d4ff;
    --color-accent-secondary: #7c3aed;
    --color-accent-tertiary: #10b981;
    --color-accent-warning: #f59e0b;
    --color-accent-danger: #ef4444;
    
    /* Gradienty */
    --gradient-primary: linear-gradient(135deg, #00d4ff 0%, #7c3aed 100%);
    --gradient-secondary: linear-gradient(135deg, #7c3aed 0%, #ec4899 100%);
    --gradient-bg: linear-gradient(180deg, #0a0a0f 0%, #12121a 50%, #0a0a0f 100%);
    --gradient-card: linear-gradient(145deg, rgba(255,255,255,0.03) 0%, rgba(255,255,255,0) 100%);
    
    /* Tekst */
    --color-text-primary: #ffffff;
    --color-text-secondary: #a0a0b0;
    --color-text-muted: #6b6b7b;
    
    /* Obramowania */
    --color-border: rgba(255, 255, 255, 0.08);
    --color-border-hover: rgba(0, 212, 255, 0.3);
    
    /* Cienie */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 30px rgba(0, 212, 255, 0.2);
    --shadow-glow-purple: 0 0 30px rgba(124, 58, 237, 0.2);
    
    /* Typografia */
    --font-primary: 'Outfit', 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    
    /* Rozmiary */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    
    /* Przejścia */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Rozmiary kontenera */
    --container-max: 1400px;
    --container-padding: 2rem;
}

/* ========================================
   Reset & Base Styles
   ======================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    background: var(--color-bg-primary);
    color: var(--color-text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Background pattern */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(ellipse at 20% 20%, rgba(0, 212, 255, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(124, 58, 237, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, rgba(16, 185, 129, 0.03) 0%, transparent 70%);
    pointer-events: none;
    z-index: -1;
}

/* Grid pattern overlay */
body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
    z-index: -1;
}

a {
    color: var(--color-accent-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-accent-secondary);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

button {
    font-family: inherit;
    cursor: pointer;
}

/* ========================================
   Typography
   ======================================== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-text-primary);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: clamp(1.25rem, 2vw, 1.5rem); }

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ========================================
   Layout
   ======================================== */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.section {
    padding: 6rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    margin-bottom: 1rem;
}

.section-subtitle {
    color: var(--color-text-secondary);
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto;
}

/* ========================================
   Navigation
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1rem 0;
    background: var(--color-bg-glass);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    padding: 0.75rem 0;
    background: rgba(10, 10, 15, 0.95);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-text-primary);
}

.navbar-brand .logo {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: 1.2rem;
}

.navbar-nav {
    display: flex;
    align-items: center;
    gap: 2rem;
    list-style: none;
}

.nav-link {
    color: var(--color-text-secondary);
    font-weight: 500;
    padding: 0.5rem 0;
    position: relative;
    transition: color var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-normal);
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-text-primary);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.navbar-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.lang-switcher {
    display: flex;
    gap: 0.5rem;
}

.lang-btn {
    padding: 0.4rem 0.8rem;
    border: 1px solid var(--color-border);
    background: transparent;
    color: var(--color-text-secondary);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 600;
    transition: all var(--transition-fast);
}

.lang-btn:hover,
.lang-btn.active {
    border-color: var(--color-accent-primary);
    color: var(--color-accent-primary);
    background: rgba(0, 212, 255, 0.1);
}

/* User menu & Auth buttons */
.auth-buttons {
    display: flex;
    gap: 0.5rem;
}

.user-menu {
    position: relative;
}

.user-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.35rem 0.75rem 0.35rem 0.35rem;
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: 50px;
    color: var(--color-text-primary);
    font-weight: 500;
    font-size: 0.9rem;
    transition: all var(--transition-fast);
}

.user-btn:hover,
.user-btn.active {
    border-color: var(--color-accent-primary);
    background: rgba(0, 212, 255, 0.1);
    color: var(--color-accent-primary);
}

.user-avatar {
    width: 28px;
    height: 28px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--color-bg-primary);
}

.user-name {
    max-width: 100px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-toggle span {
    width: 25px;
    height: 2px;
    background: var(--color-text-primary);
    transition: all var(--transition-fast);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 20%;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.15) 0%, transparent 70%);
    pointer-events: none;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content {
    animation: fadeInUp 0.8s ease;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 50px;
    font-size: 0.9rem;
    color: var(--color-accent-primary);
    margin-bottom: 1.5rem;
}

.hero-badge::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--color-accent-primary);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.hero-title {
    margin-bottom: 1.5rem;
}

.hero-description {
    font-size: 1.2rem;
    color: var(--color-text-secondary);
    margin-bottom: 2.5rem;
    max-width: 540px;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-visual {
    position: relative;
    animation: fadeInRight 0.8s ease 0.2s both;
}

.hero-image {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.hero-image img {
    width: 100%;
    height: auto;
}

.hero-floating {
    position: absolute;
    padding: 1rem 1.5rem;
    background: var(--color-bg-glass);
    backdrop-filter: blur(10px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
}

.hero-floating.top-right {
    top: -20px;
    right: -20px;
    animation: float 3s ease-in-out infinite;
}

.hero-floating.bottom-left {
    bottom: -20px;
    left: -20px;
    animation: float 3s ease-in-out infinite 0.5s;
}

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    text-decoration: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--color-bg-primary);
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 40px rgba(0, 212, 255, 0.4);
    color: var(--color-bg-primary);
}

.btn-secondary {
    background: transparent;
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover {
    border-color: var(--color-accent-primary);
    background: rgba(0, 212, 255, 0.1);
    color: var(--color-accent-primary);
}

.btn-icon {
    width: 44px;
    height: 44px;
    padding: 0;
    border-radius: var(--radius-sm);
}

.btn-sm {
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
}

/* ========================================
   Cards
   ======================================== */
.card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.card:hover {
    border-color: var(--color-border-hover);
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.card-image {
    aspect-ratio: 16/10;
    overflow: hidden;
    position: relative;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.card:hover .card-image img {
    transform: scale(1.05);
}

.card-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 0.35rem 0.75rem;
    background: var(--color-bg-glass);
    backdrop-filter: blur(10px);
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-accent-primary);
}

.card-content {
    padding: 1.5rem;
}

.card-title {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.card-description {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    margin-bottom: 1rem;
}

.card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.card-meta-item {
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.card-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* ========================================
   App Cards (specific)
   ======================================== */
.apps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 2rem;
}

.app-card {
    background: var(--color-bg-card);
    background-image: var(--gradient-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.app-card:hover {
    border-color: var(--color-border-hover);
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.app-card-header {
    padding: 2rem;
    display: flex;
    align-items: flex-start;
    gap: 1.25rem;
}

.app-icon {
    width: 72px;
    height: 72px;
    border-radius: var(--radius-md);
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    flex-shrink: 0;
    box-shadow: var(--shadow-md);
}

.app-info h3 {
    font-size: 1.35rem;
    margin-bottom: 0.35rem;
}

.app-info p {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
}

.app-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.75rem;
}

.app-tag {
    padding: 0.25rem 0.6rem;
    background: rgba(0, 212, 255, 0.1);
    border-radius: 50px;
    font-size: 0.75rem;
    color: var(--color-accent-primary);
}

.app-card-body {
    padding: 0 2rem 1.5rem;
}

.app-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    text-align: center;
}

.app-stat {
    padding: 1rem;
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-sm);
}

.app-stat-value {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text-primary);
    display: block;
}

.app-stat-label {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.app-card-footer {
    padding: 1.25rem 2rem;
    border-top: 1px solid var(--color-border);
    display: flex;
    gap: 1rem;
}

.app-card-footer .btn {
    flex: 1;
}

/* ========================================
   Stats Section
   ======================================== */
.stats {
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.stat-card {
    text-align: center;
    padding: 2rem;
}

.stat-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 1.5rem;
    background: rgba(0, 212, 255, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: var(--color-accent-primary);
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    color: var(--color-text-secondary);
    font-size: 1rem;
    margin-top: 0.5rem;
}

/* ========================================
   Filter Tabs
   ======================================== */
.filter-tabs {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-tab {
    padding: 0.75rem 1.5rem;
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: 50px;
    color: var(--color-text-secondary);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.filter-tab:hover {
    border-color: var(--color-accent-primary);
    color: var(--color-accent-primary);
}

.filter-tab.active {
    background: var(--gradient-primary);
    border-color: transparent;
    color: var(--color-bg-primary);
}

/* ========================================
   Contact Form
   ======================================== */
.contact-section {
    background: var(--color-bg-secondary);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 4rem;
    align-items: start;
}

.contact-info h2 {
    margin-bottom: 1rem;
}

.contact-info p {
    color: var(--color-text-secondary);
    margin-bottom: 2rem;
}

.contact-links {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
}

.contact-link:hover {
    background: rgba(0, 212, 255, 0.1);
    color: var(--color-accent-primary);
}

.contact-link-icon {
    width: 44px;
    height: 44px;
    background: var(--color-bg-card);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.contact-form {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--color-text-secondary);
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 1rem 1.25rem;
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    font-family: inherit;
    font-size: 1rem;
    transition: all var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-accent-primary);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.form-textarea {
    min-height: 150px;
    resize: vertical;
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--color-text-muted);
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
    padding: 4rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-text-primary);
    margin-bottom: 1rem;
}

.footer-description {
    color: var(--color-text-secondary);
    margin-bottom: 1.5rem;
    max-width: 300px;
}

.footer-social {
    display: flex;
    gap: 0.75rem;
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-sm);
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
}

.social-link:hover {
    background: var(--color-accent-primary);
    color: var(--color-bg-primary);
}

.footer-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1.25rem;
    color: var(--color-text-primary);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-accent-primary);
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-copyright {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.footer-legal {
    display: flex;
    gap: 1.5rem;
}

.footer-legal a {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

/* ========================================
   Animations
   ======================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-15px);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

@keyframes glow {
    0%, 100% {
        box-shadow: var(--shadow-glow);
    }
    50% {
        box-shadow: 0 0 50px rgba(0, 212, 255, 0.4);
    }
}

/* Scroll animations */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 1200px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 992px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content {
        order: 1;
    }
    
    .hero-visual {
        order: 0;
        max-width: 500px;
        margin: 0 auto;
    }
    
    .hero-description {
        margin: 0 auto 2.5rem;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --container-padding: 1.25rem;
    }
    
    .navbar-nav {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--color-bg-secondary);
        flex-direction: column;
        padding: 2rem;
        gap: 1rem;
        border-bottom: 1px solid var(--color-border);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-normal);
    }
    
    .navbar-nav.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .mobile-toggle {
        display: flex;
    }
    
    .user-name {
        display: none;
    }
    
    .user-btn {
        padding: 0.35rem;
        border-radius: 50%;
    }
    
    .auth-buttons .btn span {
        display: none;
    }
    
    .apps-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-brand {
        justify-content: center;
    }
    
    .footer-description {
        margin: 0 auto 1.5rem;
    }
    
    .footer-social {
        justify-content: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .section {
        padding: 4rem 0;
    }
    
    .hero {
        min-height: auto;
        padding: 120px 0 60px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .app-card-header {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .app-stats {
        grid-template-columns: 1fr;
    }
    
    .btn {
        width: 100%;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
}

/* ========================================
   Utility Classes
   ======================================== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.hidden { display: none !important; }
.visible { display: block; }

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}