/* ============================================================================
   ASLI TEKSTİL - Portal Sayfası Stilleri
   ============================================================================ */

/* CSS Değişkenleri ve Renk Paleti */
:root {
    /* Modül Gradient Renkleri */
    --module-personel: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --module-guvenlik: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --module-bakim: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --module-dokuman: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
    --module-performans: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
    --module-organizasyon: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
    
    /* Ana Renkler */
    --primary-blue: #1e3a8a;
    --primary-dark: #0f172a;
    
    /* Nötr Renkler */
    --bg-color: #f8fafc;
    --bg-gradient: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    --text-dark: #1e293b;
    --text-light: #64748b;
    --white: #ffffff;
    
    /* Gölgeler */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 1rem;
    --radius-lg: 1.5rem;
    --radius-xl: 2rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--bg-gradient);
    color: var(--text-dark);
    min-height: 100vh;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Portal Container */
.portal-container {
    display: flex;
    flex-direction: column;
    padding: var(--spacing-sm);
    padding-bottom: var(--spacing-xs);
    animation: fadeIn var(--transition-slow);
}

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

/* Header Styles */
.portal-header {
    text-align: center;
    margin-bottom: var(--spacing-xs);
    animation: slideDown var(--transition-slow);
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.company-name {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-blue) 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-xs);
    letter-spacing: 2px;
    text-transform: uppercase;
}

.subtitle {
    font-size: clamp(0.9rem, 1.5vw, 1.2rem);
    color: var(--text-light);
    font-weight: 500;
    letter-spacing: 1px;
}

/* Modules Grid */
.modules-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-sm);
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
    padding: 0;
}

/* Responsive Grid */
@media (min-width: 768px) {
    .modules-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }
}

@media (min-width: 1024px) {
    .modules-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1400px) {
    .modules-grid {
        gap: var(--spacing-lg);
    }
}

/* Module Card Styles */
.module-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
    min-height: 160px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    animation: cardFadeIn var(--transition-slow) backwards;
}

@keyframes cardFadeIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Stagger animation for cards */
.module-card:nth-child(1) { animation-delay: 0.1s; }
.module-card:nth-child(2) { animation-delay: 0.2s; }
.module-card:nth-child(3) { animation-delay: 0.3s; }
.module-card:nth-child(4) { animation-delay: 0.4s; }
.module-card:nth-child(5) { animation-delay: 0.5s; }
.module-card:nth-child(6) { animation-delay: 0.6s; }

/* Gradient Top Border */
.module-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: var(--module-color);
    transition: height var(--transition-normal);
}

.module-card:hover::before {
    height: 8px;
}

/* Hover Effects */
.module-card:hover {
    transform: translateY(-12px);
    box-shadow: var(--shadow-2xl);
}

.module-card:active {
    transform: translateY(-8px);
}

/* Module Icon */
.module-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-xs);
    transition: transform var(--transition-normal);
}

.module-card:hover .module-icon {
    transform: scale(1.1) rotate(5deg);
}

/* Module Title */
.module-title {
    font-size: clamp(1.1rem, 1.8vw, 1.5rem);
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: var(--spacing-xs);
    letter-spacing: 0.5px;
}

/* Module Description */
.module-description {
    font-size: 0.95rem;
    color: var(--text-light);
    line-height: 1.5;
}

/* Inactive Module Card */
.module-card[data-active="false"] {
    opacity: 0.85;
    cursor: pointer;
}

.module-card[data-active="false"]:hover {
    opacity: 1;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1000;
    animation: modalFadeIn var(--transition-fast);
}

.modal.show {
    display: block;
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    max-width: 500px;
    margin: 10vh auto;
    box-shadow: var(--shadow-2xl);
    text-align: center;
    animation: modalSlideIn var(--transition-normal);
    z-index: 1001;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    font-size: 2rem;
    font-weight: 300;
    color: var(--text-light);
    cursor: pointer;
    transition: all var(--transition-fast);
    line-height: 1;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.modal-close:hover {
    color: var(--text-dark);
    background: var(--bg-color);
    transform: rotate(90deg);
}

.modal-icon {
    font-size: 5rem;
    margin-bottom: var(--spacing-md);
    animation: bounce 1s infinite;
}

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

.modal-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: var(--spacing-md);
}

.modal-text {
    font-size: 1.125rem;
    color: var(--text-light);
    margin-bottom: var(--spacing-sm);
    line-height: 1.6;
}

.modal-subtext {
    font-size: 1rem;
    color: var(--text-light);
    font-style: italic;
}

/* Mobile Optimizations */
@media (max-width: 767px) {
    .portal-container {
        padding: var(--spacing-md);
    }
    
    .portal-header {
        margin-bottom: var(--spacing-lg);
    }
    
    .modules-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
        padding: 0;
    }
    
    .module-card {
        min-height: 180px;
        padding: var(--spacing-lg);
    }
    
    .module-icon {
        font-size: 3rem;
    }
    
    .modal-content {
        margin: 5vh var(--spacing-md);
        padding: var(--spacing-xl);
    }
    
    .modal-icon {
        font-size: 4rem;
    }
    
    .modal-title {
        font-size: 1.5rem;
    }
    
    .portal-footer {
        margin-top: var(--spacing-md);
        padding: var(--spacing-sm);
    }
}

/* Focus Styles for Accessibility */
.module-card:focus {
    outline: 3px solid var(--primary-blue);
    outline-offset: 4px;
}

.modal-close:focus {
    outline: 2px solid var(--primary-blue);
    outline-offset: 2px;
}

/* Print Styles */
@media print {
    .modal {
        display: none !important;
    }
    
    .module-card {
        break-inside: avoid;
    }
}

/* Portal Footer */
.portal-footer {
    text-align: center;
    margin-top: var(--spacing-xs);
    padding: var(--spacing-xs);
    animation: fadeIn var(--transition-slow) 0.8s backwards;
}

.copyright {
    font-size: 0.95rem;
    color: var(--text-light);
    font-weight: 400;
    letter-spacing: 0.3px;
}

.brand-name {
    font-weight: 800;
    font-size: 1.1em;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    position: relative;
    display: inline-block;
    transition: all var(--transition-normal);
}

.brand-name::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.brand-name:hover::after {
    transform: scaleX(1);
}

.brand-name:hover {
    transform: translateY(-2px);
    filter: brightness(1.2);
}