/* ============================================================================
   CSS VARIABLES
   ============================================================================ */

   :root {
    --primary-color: #8b0000;
    --secondary-color: #a52a2a;
    --accent-color: #800000;
    --text-color: #2c3e50;
    --light-bg: #f8f9fa;
    --border-radius: 12px;
    --card-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --card-hover-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s ease;
    --gradient-primary: linear-gradient(135deg, #8b0000, #a52a2a);
    --gradient-secondary: linear-gradient(135deg, #a52a2a, #800000);
    --shadow-light: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 4px 20px rgba(0, 0, 0, 0.15);
    --shadow-heavy: 0 8px 30px rgba(0, 0, 0, 0.2);
}

/* ============================================================================
   PROFESSIONAL BACKGROUND DESIGN
   ============================================================================ */

body {
    font-family: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    background: linear-gradient(135deg, #ecf0f1 0%, #bdc3c7 50%, #ecf0f1 100%);
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
    color: var(--text-color);
    line-height: 1.6;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(139, 0, 0, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(165, 42, 42, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(128, 0, 0, 0.1) 0%, transparent 50%);
    pointer-events: none;
    z-index: -2;
}

body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(139, 0, 0, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(139, 0, 0, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    animation: gridMove 25s linear infinite;
    pointer-events: none;
    z-index: -1;
}

@keyframes gridMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(60px, 60px); }
}

/* ============================================================================
   FLOATING SHAPES ANIMATION
   ============================================================================ */

.floating-element {
    position: fixed;
    background: rgba(139, 0, 0, 0.15);
    border: 2px solid rgba(139, 0, 0, 0.3);
    animation: officeFloat 12s ease-in-out infinite;
    pointer-events: none;
    z-index: -1;
}

.floating-element:nth-child(1) {
    width: 80px;
    height: 80px;
    top: 15%;
    left: 10%;
    animation-delay: 0s;
    clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
    background: rgba(165, 42, 42, 0.2);
    border-color: rgba(165, 42, 42, 0.4);
}

.floating-element:nth-child(2) {
    width: 100px;
    height: 100px;
    top: 60%;
    right: 15%;
    animation-delay: 3s;
    border-radius: 50%;
    background: rgba(139, 0, 0, 0.2);
    border-color: rgba(139, 0, 0, 0.4);
}

.floating-element:nth-child(3) {
    width: 60px;
    height: 60px;
    bottom: 20%;
    left: 20%;
    animation-delay: 6s;
    clip-path: polygon(25% 0%, 75% 0%, 100% 50%, 75% 100%, 25% 100%, 0% 50%);
    background: rgba(165, 42, 42, 0.2);
    border-color: rgba(165, 42, 42, 0.4);
}

.floating-element::before {
    content: '';
    position: absolute;
    width: 4px;
    height: 4px;
    background: #8b0000;
    border-radius: 50%;
    top: -2px;
    left: 50%;
    transform: translateX(-50%);
    animation: document 3s ease-in-out infinite;
    box-shadow: 0 0 10px #8b0000;
}

.floating-element::after {
    content: '';
    position: absolute;
    width: 2px;
    height: 2px;
    background: #a52a2a;
    border-radius: 50%;
    bottom: -1px;
    right: 10px;
    animation: document 3s ease-in-out infinite 1.5s;
    box-shadow: 0 0 8px #a52a2a;
}

@keyframes officeFloat {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
        opacity: 0.4;
    }
    50% {
        transform: translateY(-20px) rotate(90deg);
        opacity: 0.8;
    }
}

@keyframes document {
    0%, 100% {
        opacity: 0.3;
        transform: translateX(-50%) scale(0.8);
    }
    50% {
        opacity: 1;
        transform: translateX(-50%) scale(1.2);
    }
}

/* ============================================================================
   MODULES SECTION ENHANCEMENT
   ============================================================================ */

/* Main layout styles for home page */
.main-layout {
    min-height: calc(100vh - 200px);
    padding: 2rem 0;
}

/* ============================================================================
   BUTTON STYLES ENHANCED
   ============================================================================ */

.btn-primary {
    background: var(--gradient-primary);
    border: none;
    border-radius: 8px;
    padding: 0.75rem 1.5rem;
    font-weight: 500;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-medium);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: var(--transition);
}

.btn-primary:hover {
    background: var(--gradient-secondary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-heavy);
    color: white;
    text-decoration: none;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:focus {
    box-shadow: 0 0 0 0.2rem rgba(139, 0, 0, 0.25);
}

.btn-danger {
    background: linear-gradient(135deg, #e74c3c, #c0392b);
    border: none;
    border-radius: 8px;
    padding: 0.75rem 1.5rem;
    font-weight: 500;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-medium);
}

.btn-danger::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: var(--transition);
}

.btn-danger:hover {
    background: linear-gradient(135deg, #c0392b, #e74c3c);
    transform: translateY(-2px);
    box-shadow: var(--shadow-heavy);
    color: white;
    text-decoration: none;
}

.btn-danger:hover::before {
    left: 100%;
}


/* ============================================================================
   FOOTER ENHANCED
   ============================================================================ */

.footer-section {
    background: var(--gradient-primary);
    color: white;
    padding: 2rem 0;
    margin-top: 3rem;
    position: relative;
    overflow: hidden;
}

.footer-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="footerGrain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="white" opacity="0.1"/><circle cx="75" cy="75" r="1" fill="white" opacity="0.1"/><circle cx="50" cy="10" r="0.5" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23footerGrain)"/></svg>');
    pointer-events: none;
}

.footer-section .container {
    position: relative;
    z-index: 1;
}