/* Responsive Tasarım */
@media (max-width: 992px) {
    .main-menu {
        display: none;
        position: absolute;
        top: 80px;
        left: 0;
        width: 100%;
        background-color: var(--white-color);
        box-shadow: var(--shadow);
        flex-direction: column;
        padding: 20px;
    }

    .main-menu.active {
        display: flex;
    }

    .main-menu li {
        margin: 0;
        margin-bottom: 10px;
    }

    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        width: 100%;
        display: none;
    }

    .dropdown.active .dropdown-menu {
        display: block;
    }

    .mobile-menu-toggle {
        display: block;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

    .calculator-tabs {
        flex-wrap: wrap;
    }
    
    .tab-btn {
        padding: 10px 20px;
        font-size: 14px;
    }

    .menu-toggle {
        display: block;
    }
    
    .nav-menu {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background-color: var(--white-color);
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s;
        z-index: 999;
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-item {
        margin: 0 0 15px 0;
    }
    
    .dropdown-menu {
        position: static;
        box-shadow: none;
        display: none;
        padding: 10px 0 10px 20px;
    }
    
    .nav-item.active .dropdown-menu {
        display: block;
    }
}

/* Tablet Boyutu İçin Ek Düzenlemeler */
@media (max-width: 768px) {
    .countdown-container {
        gap: 20px;
    }
    
    .countdown-box {
        min-width: 200px;
    }
    
    .time-block .days,
    .time-block .hours,
    .time-block .minutes,
    .time-block .seconds {
        font-size: 1.5rem;
        min-width: 40px;
    }
    
    .pomodoro-container {
        flex-direction: column;
    }
    
    .footer-content {
        flex-direction: column;
    }
    
    .footer-links {
        margin-top: 30px;
    }

    .subject-table th, 
    .subject-table td {
        padding: 10px;
    }
    
    .subject-table .subject-name {
        width: 40%;
    }
    
    .subject-table input[type="number"] {
        width: 70px;
    }
    
    .result-group {
        flex-direction: column;
        text-align: center;
    }
    
    .result-label {
        margin-bottom: 5px;
    }
}

/* Mobil Boyut İçin Ek Düzenlemeler */
@media (max-width: 576px) {
    .hero-content h1 {
        font-size: 1.8rem;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
    
    .countdown-box {
        min-width: 100%;
        margin-bottom: 20px;
    }
    
    .timer-display {
        font-size: 3rem;
    }
    
    .timer-controls {
        flex-direction: column;
        gap: 10px;
    }
    
    .timer-controls button {
        width: 100%;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .social-links {
        margin-top: 15px;
    }
    
    .social-links a {
        margin: 0 10px;
    }

    .subject-table {
        font-size: 14px;
    }
    
    .subject-table th, 
    .subject-table td {
        padding: 8px 5px;
    }
    
    .subject-table input[type="number"] {
        width: 60px;
        padding: 6px;
    }
    
    .btn {
        padding: 10px 20px;
        font-size: 14px;
    }
    
    .result-value {
        font-size: 20px;
    }
}

/* Responsive Styles */
@media (max-width: 1200px) {
    .container {
        max-width: 960px;
    }
}

@media (max-width: 992px) {
    .container {
        max-width: 720px;
    }
    
    .hero-content h1 {
        font-size: 36px;
    }
    
    .hero-image {
        position: relative;
        width: 100%;
        height: 300px;
        margin-top: 30px;
    }
    
    .content-wrapper {
        flex-direction: column;
    }
    
    .main-content {
        width: 100%;
        margin-bottom: 40px;
    }
    
    .sidebar {
        width: 100%;
    }
}

@media (max-width: 768px) {
    .container {
        max-width: 540px;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .nav-menu {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background-color: #fff;
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s;
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-item {
        margin: 0 0 15px 0;
    }
    
    .dropdown-menu {
        position: static;
        box-shadow: none;
        display: none;
        padding: 10px 0 10px 20px;
    }
    
    .nav-item.active .dropdown-menu {
        display: block;
    }
    
    .footer-content {
        flex-direction: column;
    }
    
    .footer-logo {
        margin-bottom: 40px;
    }
    
    .footer-links {
        flex-direction: column;
    }
}

@media (max-width: 576px) {
    .container {
        width: 100%;
        padding: 0 15px;
    }
    
    .hero-content h1 {
        font-size: 28px;
    }
    
    .hero-content p {
        font-size: 16px;
    }
    
    .motivation-gallery {
        grid-template-columns: 1fr;
    }
    
    .table-container {
        overflow-x: auto;
    }
    
    .data-table {
        min-width: 600px;
    }
}