/**
 * BO-IS.eu - Hauptstylesheet
 * Professionelles Design für IT-Dienstleistungen
 */

/* ===== CSS Variables - Dark Theme (Default) ===== */
:root {
    /* Hauptfarben - Neon/Cyber Style */
    --primary: #00ff88;
    --primary-dark: #00cc6a;
    --primary-light: #33ff9f;
    --primary-rgb: 0, 255, 136;
    --secondary: #7b2ff7;
    --secondary-light: #9b59f7;
    --accent: #00d4ff;
    --accent-rgb: 0, 212, 255;
    --success: #22c55e;
    --warning: #f59e0b;
    --danger: #ef4444;

    /* Grautöne (invertiert für Dark Mode) */
    --gray-50: #0f0f1a;
    --gray-100: #1a1a2e;
    --gray-200: #252542;
    --gray-300: #363654;
    --gray-400: #5a5a7a;
    --gray-500: #8585a8;
    --gray-600: #a0a0c0;
    --gray-700: #c0c0d8;
    --gray-800: #e0e0f0;
    --gray-900: #f5f5ff;

    /* Text */
    --text-primary: #f0f0f5;
    --text-secondary: #a0a0c0;
    --text-muted: #6a6a8a;
    --text-light: #ffffff;

    /* Hintergrund */
    --bg-primary: #0a0a0f;
    --bg-secondary: #0f0f1a;
    --bg-tertiary: #1a1a2e;
    --bg-card: rgba(26, 26, 46, 0.8);
    --bg-dark: #050508;

    /* Abstände */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;

    /* Schriften */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', Consolas, monospace;

    /* Größen */
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;

    /* Schatten */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);

    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition: 200ms ease;
    --transition-slow: 300ms ease;

    /* Container */
    --container-max: 1280px;
    --container-padding: 1.5rem;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-sans);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--text-primary);
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 50%, var(--bg-primary) 100%);
    background-attachment: fixed;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

a:hover {
    color: var(--primary-dark);
}

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

input, textarea, select {
    font-family: inherit;
    font-size: inherit;
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    color: var(--text-primary);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

p {
    margin-bottom: var(--spacing-md);
}

.text-muted {
    color: var(--text-secondary);
}

.text-center { text-align: center; }
.text-right { text-align: right; }

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

.section {
    padding: var(--spacing-3xl) 0;
}

.section-dark {
    background-color: var(--bg-dark);
    color: var(--text-light);
}

.section-alt {
    background-color: var(--bg-secondary);
}

.grid {
    display: grid;
    gap: var(--spacing-lg);
}

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

@media (max-width: 768px) {
    .grid-2, .grid-3, .grid-4 {
        grid-template-columns: 1fr;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .grid-3, .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

.flex {
    display: flex;
}

.flex-center {
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }

/* ===== Header & Navigation ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 15, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 255, 136, 0.1);
    transition: all var(--transition);
}

.header.scrolled {
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
    background: rgba(10, 10, 15, 0.98);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--text-light);
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-dark);
    font-weight: 700;
    box-shadow: 0 4px 15px rgba(var(--primary-rgb), 0.3);
}

.nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.nav-divider {
    width: 1px;
    height: 24px;
    background: rgba(var(--primary-rgb), 0.2);
    margin: 0 var(--spacing-sm);
}

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

.btn-outline {
    background: transparent;
    border: 2px solid rgba(var(--primary-rgb), 0.5);
    color: var(--primary);
}

.btn-outline:hover {
    background: rgba(var(--primary-rgb), 0.1);
    border-color: var(--primary);
    color: var(--primary);
}

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

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

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

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    padding: var(--spacing-sm);
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all var(--transition);
}

.lang-switch {
    display: flex;
    gap: var(--spacing-xs);
    margin-left: var(--spacing-md);
    padding-left: var(--spacing-md);
    border-left: 1px solid var(--gray-200);
}

.lang-btn {
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-sm);
    background: transparent;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.lang-btn:hover,
.lang-btn.active {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--bg-secondary);
        flex-direction: column;
        padding: var(--spacing-lg);
        gap: var(--spacing-md);
        box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition);
    }

    .nav.open {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .lang-switch {
        margin: var(--spacing-md) 0 0;
        padding: var(--spacing-md) 0 0;
        border-left: none;
        border-top: 1px solid var(--gray-200);
    }
}

/* ===== Hero Section ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--bg-dark) 0%, #1e3a5f 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-3xl) 0;
}

.hero-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-lg);
}

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    color: white;
    margin-bottom: var(--spacing-md);
    line-height: 1.1;
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: var(--gray-300);
    margin-bottom: var(--spacing-2xl);
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-3xl);
    margin-top: var(--spacing-3xl);
    padding-top: var(--spacing-2xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

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

.hero-stat-value {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--accent);
}

.hero-stat-label {
    font-size: var(--font-size-sm);
    color: var(--gray-400);
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius);
    font-weight: 500;
    font-size: var(--font-size-base);
    border: 2px solid transparent;
    transition: all var(--transition-fast);
    cursor: pointer;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    color: var(--bg-dark);
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(var(--primary-rgb), 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
    color: var(--bg-dark);
    box-shadow: 0 6px 25px rgba(var(--primary-rgb), 0.4);
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    border-color: rgba(255, 255, 255, 0.3);
    color: white;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: white;
    color: white;
}

.btn-outline {
    background: transparent;
    border-color: var(--primary);
    color: var(--primary);
}

.btn-outline:hover {
    background: var(--primary);
    color: white;
}

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

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

.btn-block {
    display: flex;
    width: 100%;
}

/* ===== Cards ===== */
.card {
    background: var(--bg-card);
    border: 1px solid rgba(0, 255, 136, 0.1);
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    overflow: hidden;
    transition: all var(--transition);
    backdrop-filter: blur(10px);
}

.card:hover {
    box-shadow: 0 8px 40px rgba(0, 255, 136, 0.15);
    transform: translateY(-4px);
    border-color: rgba(0, 255, 136, 0.3);
}

.card-body {
    padding: var(--spacing-xl);
}

.card-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-2xl);
    color: white;
}

.card-title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
}

.card-text {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.card-features {
    list-style: none;
}

.card-features li {
    padding: var(--spacing-xs) 0;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-secondary);
}

.card-features li::before {
    content: '✓';
    color: var(--success);
    font-weight: 700;
}

/* ===== Section Headers ===== */
.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-3xl);
}

.section-header h2 {
    margin-bottom: var(--spacing-sm);
}

.section-header p {
    color: var(--text-secondary);
    font-size: var(--font-size-lg);
    margin: 0;
}

/* ===== Tools Grid ===== */
.tools-category {
    margin-bottom: var(--spacing-2xl);
}

.tools-category h3 {
    font-size: var(--font-size-lg);
    color: var(--primary);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--primary);
    display: inline-block;
}

.tool-card {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    transition: all var(--transition);
    backdrop-filter: blur(10px);
}

.tool-card:hover {
    background: rgba(0, 255, 136, 0.1);
    border-color: var(--primary);
    box-shadow: 0 8px 30px rgba(0, 255, 136, 0.2);
    transform: translateY(-4px);
}

.tool-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, rgba(0, 255, 136, 0.2) 0%, rgba(123, 47, 247, 0.2) 100%);
    border: 1px solid rgba(0, 255, 136, 0.3);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    flex-shrink: 0;
}

.tool-card:hover .tool-icon {
    background: linear-gradient(135deg, rgba(0, 255, 136, 0.3) 0%, rgba(123, 47, 247, 0.3) 100%);
    border-color: var(--primary);
}

.tool-content h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.tool-card:hover .tool-content h4 {
    color: var(--primary);
}

.tool-content p {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.5;
}

/* ===== Tool Pages ===== */
.tool-container {
    max-width: 900px;
    margin: 0 auto;
}

.tool-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.tool-result {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.result-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
}

.result-item {
    background: var(--bg-tertiary);
    padding: var(--spacing-md);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.result-label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.result-value {
    font-size: var(--font-size-lg);
    font-weight: 600;
    font-family: var(--font-mono);
}

.result-value.success { color: var(--success); }
.result-value.warning { color: var(--warning); }
.result-value.danger { color: var(--danger); }

/* ===== Forms ===== */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
}

.form-control {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid var(--gray-300);
    border-radius: var(--radius);
    font-size: var(--font-size-base);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.2);
    background: var(--bg-secondary);
}

.form-control::placeholder {
    color: var(--text-muted);
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

.form-hint {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-top: var(--spacing-xs);
}

.form-error {
    font-size: var(--font-size-sm);
    color: var(--danger);
    margin-top: var(--spacing-xs);
}

.input-group {
    display: flex;
}

.input-group .form-control {
    border-radius: var(--radius) 0 0 var(--radius);
}

.input-group .btn {
    border-radius: 0 var(--radius) var(--radius) 0;
}

/* ===== Password Toggle ===== */
.password-toggle-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.password-toggle-wrapper input {
    flex: 1;
    padding-right: 45px;
}

.password-toggle {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-muted);
    padding: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color var(--transition-fast);
}

.password-toggle:hover {
    color: var(--text-primary);
}

.password-toggle svg {
    width: 20px;
    height: 20px;
}

.password-toggle .eye-closed {
    display: none;
}

/* ===== Password Strength Meter ===== */
.password-strength-meter {
    margin-top: var(--spacing-sm);
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.strength-bar {
    width: 100%;
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.strength-fill {
    height: 100%;
    width: 0;
    border-radius: var(--radius-full);
    transition: all 0.3s ease;
}

.strength-details {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.strength-text {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.strength-checks {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin-top: 4px;
}

.strength-check {
    font-size: 0.7rem;
    padding: 2px 6px;
    border-radius: 3px;
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
    transition: all 0.2s;
}

.strength-check.met {
    background: rgba(34, 197, 94, 0.15);
    color: #22c55e;
}

/* ===== Tables ===== */
.table-container {
    overflow-x: auto;
}

.table {
    width: 100%;
    border-collapse: collapse;
}

.table th,
.table td {
    padding: var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--gray-200);
}

.table th {
    background: var(--bg-secondary);
    font-weight: 600;
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
}

.table tr:hover {
    background: var(--gray-50);
}

/* ===== Badges ===== */
.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
}

.badge-success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.badge-warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
}

.badge-danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
}

.badge-info {
    background: rgba(6, 182, 212, 0.1);
    color: var(--accent);
}

/* ===== Global Background Video ===== */
.global-video-wrapper {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.global-video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    transform: translate(-50%, -50%);
    object-fit: cover;
}

.global-video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        180deg,
        rgba(10, 10, 15, 0.85) 0%,
        rgba(10, 10, 15, 0.75) 50%,
        rgba(10, 10, 15, 0.9) 100%
    );
}

.video-toggle-btn {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 100;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 2px solid var(--primary);
    color: var(--primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    transition: all var(--transition);
    pointer-events: auto;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 15px rgba(0, 255, 136, 0.2);
}

.video-toggle-btn:hover {
    background: var(--primary);
    color: var(--bg-primary);
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(0, 255, 136, 0.4);
}

@media (max-width: 768px) {
    .video-toggle-btn {
        bottom: 80px;
        right: 15px;
        width: 45px;
        height: 45px;
        font-size: 1.25rem;
    }
}

/* ===== Footer ===== */
.footer {
    background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-dark) 100%);
    color: var(--text-secondary);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
    border-top: 1px solid rgba(0, 255, 136, 0.1);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
}

.footer-about {
    max-width: 300px;
}

.footer h4 {
    color: white;
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
}

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

.footer-links li {
    margin-bottom: var(--spacing-sm);
}

.footer-links a {
    color: var(--gray-400);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: white;
}

.footer-bottom {
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--gray-700);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer-bottom p {
    margin: 0;
    font-size: var(--font-size-sm);
    color: var(--gray-500);
}

.footer-credits {
    font-size: var(--font-size-xs);
    color: var(--gray-600);
    width: 100%;
    text-align: center;
    margin-top: var(--spacing-sm);
}

.footer-payment {
    text-align: center;
    padding: var(--spacing-md) 0;
    border-top: 1px solid var(--gray-700);
    margin-top: var(--spacing-md);
}
.footer-payment-label {
    font-size: var(--font-size-sm);
    color: var(--gray-500);
    margin: 0 0 0.5rem 0;
}
.footer-payment-icons {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.75rem;
}
.pay-icon {
    display: inline-flex;
    align-items: center;
    cursor: default;
    opacity: 0.7;
    transition: opacity 0.2s, transform 0.2s;
}
.pay-icon svg {
    width: 38px;
    height: 24px;
    border-radius: 3px;
}
.pay-icon:hover {
    opacity: 1;
    transform: translateY(-1px);
}

.footer-credits a {
    color: var(--gray-500);
    text-decoration: none;
}

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

/* ===== Cookie Banner ===== */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    border-top: 1px solid rgba(var(--primary-rgb), 0.2);
    box-shadow: 0 -4px 30px rgba(0, 0, 0, 0.5);
    padding: var(--spacing-lg);
    z-index: 9999;
    transform: translateY(100%);
    transition: transform var(--transition-slow);
    backdrop-filter: blur(20px);
    color: var(--text-primary);
}

.cookie-banner.show {
    transform: translateY(0);
}

.cookie-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.cookie-text {
    flex: 1;
    min-width: 300px;
}

.cookie-text h4 {
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.cookie-text p {
    margin: 0;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

/* Toast notifications */
.toast {
    background: var(--bg-secondary) !important;
    color: var(--text-primary) !important;
    border: 1px solid rgba(var(--primary-rgb), 0.2);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

.cookie-buttons {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

/* ===== Loading & Spinners ===== */
.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--gray-200);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 10, 15, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
}

/* ===== Animations ===== */
.fade-in {
    animation: fadeIn 0.5s ease forwards;
}

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

.slide-up {
    animation: slideUp 0.5s ease forwards;
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(40px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ===== Progress Bar ===== */
.progress {
    height: 8px;
    background: var(--gray-200);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    border-radius: var(--radius-full);
    transition: width 0.3s ease;
}

/* ===== Speedtest Specific ===== */
.speedtest-gauge {
    width: 250px;
    height: 250px;
    margin: 0 auto;
    position: relative;
}

.speedtest-display {
    text-align: center;
    margin-top: var(--spacing-lg);
}

.speedtest-value {
    font-size: var(--font-size-5xl);
    font-weight: 700;
    color: var(--primary);
}

.speedtest-unit {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
}

/* ===== Utilities ===== */
.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }
.mt-5 { margin-top: var(--spacing-2xl); }

.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }
.mb-5 { margin-bottom: var(--spacing-2xl); }

.p-1 { padding: var(--spacing-sm); }
.p-2 { padding: var(--spacing-md); }
.p-3 { padding: var(--spacing-lg); }
.p-4 { padding: var(--spacing-xl); }
.p-5 { padding: var(--spacing-2xl); }

.hidden { display: none !important; }
.visible { visibility: visible !important; }
.invisible { visibility: hidden !important; }

.rounded { border-radius: var(--radius); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-full { border-radius: var(--radius-full); }

.shadow { box-shadow: var(--shadow); }
.shadow-lg { box-shadow: var(--shadow-lg); }

.bg-white { background-color: white; }
.bg-light { background-color: var(--bg-secondary); }
.bg-dark { background-color: var(--bg-dark); }

/* ===== Responsive Adjustments ===== */
@media (max-width: 768px) {
    :root {
        --container-padding: 1rem;
    }

    h1 { font-size: var(--font-size-3xl); }
    h2 { font-size: var(--font-size-2xl); }
    h3 { font-size: var(--font-size-xl); }

    .section {
        padding: var(--spacing-2xl) 0;
    }

    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-lg);
    }

    .hero-buttons {
        flex-direction: column;
    }

    .hero-buttons .btn {
        width: 100%;
    }
}

/* ===== Auth Pages ===== */
.auth-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-3xl) var(--spacing-md);
    padding-top: calc(70px + var(--spacing-3xl));
}

.auth-box {
    width: 100%;
    max-width: 420px;
    background: var(--bg-card);
    border: 1px solid rgba(var(--primary-rgb), 0.2);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
}

.auth-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.auth-header h1 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.auth-header p {
    color: var(--text-secondary);
    margin: 0;
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.auth-form input[type="text"],
.auth-form input[type="email"],
.auth-form input[type="password"] {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border: 2px solid var(--gray-300);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: var(--font-size-base);
    transition: all var(--transition-fast);
}

.auth-form input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.2);
}

.auth-form label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xs);
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.auth-form label a {
    color: var(--primary);
    font-size: var(--font-size-sm);
}

.auth-form label a:hover {
    text-decoration: underline;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    color: var(--text-secondary);
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--primary);
}

.btn-full {
    width: 100%;
}

.auth-footer {
    text-align: center;
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(var(--primary-rgb), 0.1);
}

.auth-footer p {
    color: var(--text-secondary);
    margin: 0;
}

.auth-footer a {
    color: var(--primary);
    font-weight: 500;
}

.auth-footer a:hover {
    text-decoration: underline;
}

.float-right {
    float: right;
}

/* Auth form-row for side by side fields */
.auth-form .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

@media (max-width: 600px) {
    .auth-form .form-row {
        grid-template-columns: 1fr;
    }
}

.form-section-title {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-xs);
    padding-bottom: var(--spacing-xs);
    border-bottom: 1px solid rgba(var(--primary-rgb), 0.2);
}

.auth-form select,
.auth-form input[type="tel"] {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border: 2px solid var(--gray-300);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: var(--font-size-base);
    transition: all var(--transition-fast);
}

.auth-form select:focus,
.auth-form input[type="tel"]:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.2);
}

/* ===== Profile Pages ===== */
.profile-section {
    min-height: 100vh;
    padding: calc(70px + var(--spacing-2xl)) var(--spacing-md) var(--spacing-3xl);
}

.profile-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.profile-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.profile-avatar {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    border: 2px solid var(--primary);
}

.profile-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid rgba(var(--primary-rgb), 0.15);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
}

.stat-card .stat-value {
    display: block;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary);
}

.stat-card .stat-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.profile-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.profile-card,
.settings-card {
    background: var(--bg-card);
    border: 1px solid rgba(var(--primary-rgb), 0.15);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.settings-card.danger {
    border-color: rgba(239, 68, 68, 0.3);
}

.profile-card .card-header,
.settings-card .card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid rgba(var(--primary-rgb), 0.1);
}

.profile-card .card-header h2,
.settings-card .card-header h2 {
    font-size: 1rem;
    margin: 0;
}

.profile-card .card-body,
.settings-card .card-body {
    padding: var(--spacing-lg);
}

.settings-card .card-body .form-group {
    margin-bottom: var(--spacing-md);
}

.settings-card .card-body label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.settings-card .card-body input[type="text"],
.settings-card .card-body input[type="email"],
.settings-card .card-body input[type="password"],
.settings-card .card-body input[type="tel"],
.settings-card .card-body select,
.settings-card .card-body textarea {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-tertiary);
    border: 2px solid var(--gray-300);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: var(--font-size-base);
    transition: all var(--transition-fast);
}

.settings-card .card-body input:focus,
.settings-card .card-body select:focus,
.settings-card .card-body textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.2);
}

.settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
    gap: var(--spacing-lg);
}

@media (max-width: 768px) {
    .settings-grid {
        grid-template-columns: 1fr;
    }
}

.info-list {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--spacing-sm) var(--spacing-md);
}

.info-list dt {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.info-list dd {
    margin: 0;
}

.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: var(--radius);
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-success { background: rgba(34, 197, 94, 0.15); color: #22c55e; }
.badge-warning { background: rgba(245, 158, 11, 0.15); color: #f59e0b; }
.badge-admin { background: rgba(239, 68, 68, 0.15); color: #ef4444; }
.badge-user { background: rgba(var(--primary-rgb), 0.15); color: var(--primary); }
.badge-moderator { background: rgba(var(--accent-rgb), 0.15); color: var(--accent); }

.server-list,
.order-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.server-item,
.order-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm);
    background: rgba(var(--primary-rgb), 0.03);
    border-radius: var(--radius);
}

.server-info,
.order-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.profile-actions {
    margin-top: var(--spacing-xl);
}

.profile-actions h3 {
    margin-bottom: var(--spacing-md);
}

.action-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-md);
}

.action-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg);
    background: var(--bg-card);
    border: 1px solid rgba(var(--primary-rgb), 0.15);
    border-radius: var(--radius-lg);
    text-decoration: none;
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.action-card:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
}

.action-icon {
    font-size: 1.5rem;
}

/* Settings form row */
.settings-card .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

@media (max-width: 600px) {
    .settings-card .form-row {
        grid-template-columns: 1fr;
    }
}

/* ===== Alerts ===== */
.alert {
    padding: var(--spacing-md);
    border-radius: var(--radius);
    margin-bottom: var(--spacing-md);
}

.alert-success {
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid var(--success);
    color: var(--success);
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--danger);
    color: var(--danger);
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid var(--warning);
    color: var(--warning);
}

.alert-info {
    background: rgba(var(--accent-rgb), 0.1);
    border: 1px solid var(--accent);
    color: var(--accent);
}

/* ===== Under Construction / Dev Banner ===== */
.dev-banner {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.2), rgba(239, 68, 68, 0.15));
    border-bottom: 1px solid rgba(245, 158, 11, 0.4);
    color: var(--warning);
    position: fixed;
    top: 70px; /* Height of header */
    left: 0;
    right: 0;
    z-index: 999; /* Below header */
    backdrop-filter: blur(10px);
}

/* Adjust main content when banner is shown */
body:has(.dev-banner) main {
    margin-top: 40px; /* Extra space for banner */
}

.dev-banner-inner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    padding: var(--spacing-xs) var(--spacing-md);
    text-align: center;
    flex-wrap: wrap;
    min-height: 36px;
}

.dev-banner-icon {
    font-size: 1.25rem;
    animation: bannerPulse 2s ease-in-out infinite;
}

.dev-banner-text {
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.dev-banner-close {
    position: absolute;
    right: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    background: transparent;
    border: none;
    color: var(--warning);
    font-size: 1.5rem;
    cursor: pointer;
    opacity: 0.7;
    transition: opacity var(--transition);
    line-height: 1;
    padding: var(--spacing-xs);
}

.dev-banner-close:hover {
    opacity: 1;
}

@keyframes bannerPulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.7; transform: scale(1.1); }
}

@media (max-width: 768px) {
    .dev-banner-inner {
        padding-right: 2.5rem;
    }

    .dev-banner-text {
        font-size: var(--font-size-xs);
    }
}

/* ===== Print Styles ===== */
@media print {
    .header,
    .footer,
    .cookie-banner,
    .nav-toggle,
    .dev-banner {
        display: none !important;
    }

    body {
        font-size: 12pt;
        color: black;
        background: white;
    }

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

    a {
        color: black;
        text-decoration: underline;
    }
}