/* ========================================
   RESPONSIVE STYLES - MOBILE FIRST
   ======================================== */

/* Tablet ve Altı (992px ve altı) */
@media (max-width: 992px) {

    /* Typography */
    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.75rem;
    }

    h3 {
        font-size: 1.5rem;
    }

    /* Hero Section */
    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.25rem;
    }

    .hero-description {
        font-size: 1rem;
    }

    /* Navigation */
    .main-nav {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background: var(--color-secondary);
        z-index: 9999;
        padding: var(--spacing-xl);
        overflow-y: auto;
    }

    .main-nav.active {
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
    }

    .main-nav ul {
        flex-direction: column;
        gap: var(--spacing-md);
        width: 100%;
        max-width: 400px;
    }

    .main-nav a {
        width: 100%;
        text-align: center;
        font-size: 1.25rem;
        padding: var(--spacing-md);
    }

    .mobile-menu-toggle {
        display: block;
        position: relative;
        z-index: 10000;
    }

    .mobile-menu-toggle.active {
        background: var(--color-primary);
    }

    /* Top Header */
    .top-header-content {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .top-header-left {
        flex-direction: column;
        gap: var(--spacing-sm);
        width: 100%;
    }

    .top-header-right {
        width: 100%;
        justify-content: center;
    }

    /* Footer */
    .footer-contact {
        flex-direction: column;
    }

    .footer-contact-item {
        width: 100%;
        justify-content: center;
    }

    /* Grid */
    .col-md-6 {
        flex: 0 0 50%;
        max-width: 50%;
    }

    .col-md-12 {
        flex: 0 0 100%;
        max-width: 100%;
    }
}

/* Mobil (768px ve altı) */
@media (max-width: 768px) {

    /* Container */
    .container {
        padding: 0 var(--spacing-sm);
    }

    /* Typography */
    h1 {
        font-size: 1.75rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    h3 {
        font-size: 1.25rem;
    }

    /* Hero Section */
    .hero-section {
        padding: var(--spacing-lg) 0;
    }

    .hero-title {
        font-size: 1.75rem;
        line-height: 1.3;
    }

    .hero-subtitle {
        font-size: 1.125rem;
    }

    .hero-description {
        font-size: 0.9375rem;
    }

    .hero-form {
        padding: var(--spacing-sm);
    }

    /* Buttons */
    .btn {
        padding: 10px 20px;
        font-size: 0.9375rem;
    }

    /* Cards */
    .card-body {
        padding: var(--spacing-sm);
    }

    .card-title {
        font-size: 1.125rem;
    }

    .card-text {
        font-size: 0.875rem;
    }

    /* Top Header */
    .top-header {
        font-size: 0.8125rem;
    }

    .top-header-item {
        font-size: 0.8125rem;
    }

    .social-icon {
        width: 28px;
        height: 28px;
    }

    .social-icon svg {
        width: 14px;
        height: 14px;
    }

    /* Header */
    .header-content {
        flex-wrap: wrap;
    }

    .logo-text {
        font-size: 1.25rem;
    }

    .logo-icon {
        width: 40px;
        height: 40px;
    }

    /* Footer */
    .footer-top {
        padding: var(--spacing-sm) 0;
    }

    .footer-contact-item {
        font-size: 0.875rem;
    }

    .footer-contact-icon {
        width: 35px;
        height: 35px;
    }

    .footer-contact-icon svg {
        width: 18px;
        height: 18px;
    }

    .footer-widget-title {
        font-size: 1.125rem;
    }

    .footer-bottom-content {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .copyright {
        text-align: center;
    }

    /* Grid */
    .col-sm-12 {
        flex: 0 0 100%;
        max-width: 100%;
    }

    .col-sm-6 {
        flex: 0 0 50%;
        max-width: 50%;
    }

    /* Section */
    .section {
        padding: var(--spacing-lg) 0;
    }

    .section-title h2 {
        font-size: 1.5rem;
    }

    /* Badge */
    .badge {
        font-size: 0.6875rem;
        padding: 3px 10px;
    }
}

/* Küçük Mobil (480px ve altı) */
@media (max-width: 480px) {

    /* Typography */
    h1 {
        font-size: 1.5rem;
    }

    h2 {
        font-size: 1.25rem;
    }

    h3 {
        font-size: 1.125rem;
    }

    /* Hero */
    .hero-title {
        font-size: 1.5rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    /* Buttons */
    .btn {
        padding: 8px 16px;
        font-size: 0.875rem;
    }

    .btn-icon {
        flex-direction: column;
        gap: 4px;
    }

    .btn-icon svg {
        width: 16px;
        height: 16px;
    }

    /* Grid - Tüm kartlar tam genişlik */
    .col-3,
    .col-4,
    .col-6 {
        flex: 0 0 100%;
        max-width: 100%;
    }

    /* Top Header */
    .top-header-left {
        font-size: 0.75rem;
    }

    .top-header-item svg {
        width: 14px;
        height: 14px;
    }

    /* Social Icons */
    .social-icon {
        width: 24px;
        height: 24px;
    }

    .social-icon svg {
        width: 12px;
        height: 12px;
    }

    /* Cards */
    .card-meta {
        flex-direction: column;
        gap: 4px;
        align-items: flex-start;
    }

    .card-meta-item {
        font-size: 0.75rem;
    }

    /* Form */
    .form-control {
        padding: 12px 16px;
        font-size: 0.9375rem;
    }

    /* Footer */
    .footer-contact-item {
        flex-direction: column;
        text-align: center;
    }
}

/* ========================================
   LANDSCAPE ORIENTATION
   ======================================== */
@media (max-height: 500px) and (orientation: landscape) {
    .hero-section {
        padding: var(--spacing-md) 0;
    }

    .main-nav.active {
        padding: var(--spacing-md);
    }

    .main-nav ul {
        gap: var(--spacing-sm);
    }

    .main-nav a {
        padding: var(--spacing-sm);
        font-size: 1rem;
    }
}

/* ========================================
   PRINT STYLES
   ======================================== */
@media print {

    .top-header,
    .main-header,
    .site-footer,
    .btn,
    .social-icons,
    .mobile-menu-toggle {
        display: none !important;
    }

    body {
        background: white;
        color: black;
    }

    .card {
        box-shadow: none;
        border: 1px solid #ddd;
    }

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

/* ========================================
   ACCESSIBILITY
   ======================================== */

/* Focus Styles */
a:focus,
button:focus,
input:focus,
textarea:focus,
select:focus {
    outline: 3px solid var(--color-primary);
    outline-offset: 2px;
}

/* Skip to Content Link */
.skip-to-content {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--color-primary);
    color: var(--color-white);
    padding: 8px 16px;
    text-decoration: none;
    z-index: 10001;
}

.skip-to-content:focus {
    top: 0;
}

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

/* ========================================
   DARK MODE SUPPORT (Optional)
   ======================================== */
@media (prefers-color-scheme: dark) {
    /* Kullanıcı sistem ayarlarında dark mode kullanıyorsa */
    /* Bu bölüm isteğe bağlıdır, şu an için devre dışı */
}

/* ========================================
   REDUCED MOTION
   ======================================== */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* ========================================
   HIGH CONTRAST MODE
   ======================================== */
@media (prefers-contrast: high) {
    .btn {
        border-width: 3px;
    }

    .card {
        border: 2px solid var(--color-secondary);
    }
}

/* ========================================
   PAGINATION STYLES
   ======================================== */
.pagination {
    margin: var(--spacing-lg) 0;
}

.pagination ul {
    display: flex;
    gap: 8px;
    list-style: none;
    padding: 0;
    margin: 0;
}

.pagination li {
    margin: 0;
}

.pagination a,
.pagination span {
    display: block;
    padding: 10px 16px;
    background: var(--color-white);
    color: var(--color-secondary);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-sm);
    text-decoration: none;
    transition: var(--transition-normal);
}

.pagination a:hover {
    background: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

.pagination .current {
    background: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

/* ========================================
   LOADING ANIMATION
   ======================================== */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid var(--color-border);
    border-radius: 50%;
    border-top-color: var(--color-primary);
    animation: spin 1s ease-in-out infinite;
}

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

/* ========================================
   TOOLTIP
   ======================================== */
[data-tooltip] {
    position: relative;
    cursor: help;
}

[data-tooltip]::before {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-8px);
    padding: 8px 12px;
    background: var(--color-secondary);
    color: var(--color-white);
    font-size: 0.875rem;
    white-space: nowrap;
    border-radius: var(--radius-sm);
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-normal);
}

[data-tooltip]:hover::before {
    opacity: 1;
    transform: translateX(-50%) translateY(-4px);
}