/* ==========================================
   SUKRO11 - Modern IT Theme CSS
   Blue-Black Color Scheme
   ========================================== */

:root {
    /* Primary Colors - IT Modern Blue Theme */
    --primary-blue: #2196F3;
    --primary-dark: #0D47A1;
    --primary-light: #64B5F6;
    --accent-blue: #2979FF;
    
    /* Neutral Colors */
    --black: #000000;
    --dark-gray: #121212;
    --medium-gray: #1E1E1E;
    --light-gray: #2D2D2D;
    --text-light: #E0E0E0;
    --text-white: #FFFFFF;
    
    /* Functional Colors */
    --success: #4CAF50;
    --warning: #FF9800;
    --danger: #F44336;
    --info: #2196F3;
    
    /* Typography */
    --font-main: 'Inter', 'Segoe UI', system-ui, sans-serif;
    --font-heading: 'Segoe UI', 'Inter', system-ui, sans-serif;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 3rem;
    --space-xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.3);
    --shadow-blue: 0 4px 20px rgba(33, 150, 243, 0.3);
}

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

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

body {
    font-family: var(--font-main);
    background: linear-gradient(135deg, var(--black) 0%, var(--dark-gray) 100%);
    color: var(--text-light);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: var(--space-sm);
    color: var(--text-white);
}

.main-title {
    font-size: 2.5rem;
    text-align: center;
    margin: var(--space-lg) 0;
    padding: var(--space-md);
    position: relative;
}

.italic-blue {
    font-style: italic;
    color: var(--primary-blue);
    text-shadow: 0 0 10px rgba(33, 150, 243, 0.5);
    transform: skewX(-5deg);
    display: inline-block;
    animation: glow 3s ease-in-out infinite alternate;
}

@keyframes glow {
    from { text-shadow: 0 0 10px rgba(33, 150, 243, 0.5); }
    to { text-shadow: 0 0 20px rgba(33, 150, 243, 0.8), 0 0 30px rgba(33, 150, 243, 0.6); }
}

/* Header & Navigation */
.it-header {
    background: rgba(18, 18, 18, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 2px solid var(--primary-blue);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: var(--space-sm) 0;
}

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

.logo-section {
    flex: 0 0 auto;
}

.logo-img {
    height: 60px;
    width: auto;
    transition: transform 0.3s ease;
}

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

.desktop-nav {
    flex: 1 1 auto;
}

.nav-list {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    list-style: none;
}

.nav-link {
    color: var(--text-light);
    text-decoration: none;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    transition: all 0.3s ease;
    font-weight: 500;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-blue);
    background: rgba(33, 150, 243, 0.1);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 4px;
    background: var(--primary-blue);
    border-radius: 50%;
}

.amp-badge {
    background: var(--primary-blue);
    color: white !important;
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: var(--radius-md);
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    border: 2px solid transparent;
    font-size: 1rem;
}

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

.btn-login:hover {
    background: var(--primary-blue);
    color: white;
    box-shadow: var(--shadow-blue);
}

.btn-register {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-dark));
    color: white;
    margin-left: var(--space-sm);
}

.btn-register:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-blue);
}

.action-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin: var(--space-lg) 0;
    justify-content: center;
}

.action-btn {
    min-width: 160px;
    text-align: center;
}

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

.btn-secondary {
    background: var(--dark-gray);
    color: var(--primary-blue);
    border-color: var(--primary-blue);
}

.btn-alternative {
    background: var(--light-gray);
    color: var(--text-light);
    border-color: var(--medium-gray);
}

/* Content Sections */
.content-section {
    background: rgba(30, 30, 30, 0.8);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    margin-bottom: var(--space-lg);
    border: 1px solid rgba(33, 150, 243, 0.2);
}

.lead-text {
    font-size: 1.25rem;
    color: var(--text-white);
    margin-bottom: var(--space-md);
    line-height: 1.8;
}

.seo-content {
    font-size: 1.1rem;
    line-height: 1.8;
}

.content-block {
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.content-block h2 {
    color: var(--primary-light);
    font-size: 1.75rem;
    margin-bottom: var(--space-md);
}

.content-block p {
    margin-bottom: var(--space-sm);
    text-align: justify;
}

/* Floating Elements */
.floating-chat {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: var(--primary-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-blue);
    z-index: 1001;
    transition: all 0.3s ease;
    animation: float 3s ease-in-out infinite;
}

.floating-chat:hover {
    transform: scale(1.1);
    box-shadow: 0 0 30px rgba(33, 150, 243, 0.6);
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* Social Media */
.social-section {
    background: rgba(33, 150, 243, 0.05);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    margin: var(--space-xl) 0;
}

.social-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--space-sm);
    margin-top: var(--space-md);
}

.social-link {
    display: block;
    padding: var(--space-sm);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
    color: var(--text-light);
    text-decoration: none;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid rgba(33, 150, 243, 0.2);
}

.social-link:hover {
    background: rgba(33, 150, 243, 0.2);
    color: var(--primary-blue);
    transform: translateY(-2px);
}

/* Footer */
.it-footer {
    background: var(--black);
    padding: var(--space-lg) 0;
    border-top: 2px solid var(--primary-blue);
    margin-top: var(--space-xl);
}

.footer-content {
    text-align: center;
}

.footer-nav {
    margin-top: var(--space-md);
}

.footer-nav a {
    color: var(--text-light);
    text-decoration: none;
    margin: 0 var(--space-sm);
    transition: color 0.3s ease;
}

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

/* Mobile Menu */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    width: 30px;
    height: 30px;
    flex-direction: column;
    justify-content: space-between;
    cursor: pointer;
    padding: 0;
}

.mobile-menu-toggle span {
    display: block;
    height: 3px;
    width: 100%;
    background: var(--primary-blue);
    transition: all 0.3s ease;
}

.mobile-nav {
    display: none;
    background: var(--dark-gray);
    padding: var(--space-md);
    border-top: 1px solid var(--primary-blue);
}

.mobile-nav-list {
    list-style: none;
}

.mobile-nav-list li {
    margin-bottom: var(--space-sm);
}

.mobile-nav-list a {
    display: block;
    padding: var(--space-sm);
    color: var(--text-light);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all 0.3s ease;
}

.mobile-nav-list a:hover {
    background: rgba(33, 150, 243, 0.2);
    color: var(--primary-blue);
}

/* Performance Optimizations */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Print Styles */
@media print {
    .floating-chat,
    .mobile-menu-toggle,
    .btn-register {
        display: none !important;
    }
}