:root {
    --primary-color: #4CAF50;
    --secondary-color: #2196F3;
    --accent-color: #60a5fa;
    --text-color: #333;
    --background-color: #fff;
    --hover-color: #45a049;
    --nav-gradient: linear-gradient(135deg, #4CAF50, #45a049);
    --content-width: 1200px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    margin: 0;
    padding: 0;
    position: relative;
}

/* Navbar Styles */
.navbar {
    background: var(--nav-gradient);
    padding: 0.42rem 1rem;
    box-shadow: 0 2px 10px rgba(76, 175, 80, 0.15);
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 9999;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 58px;
}

.main-content {
    padding-top: 58px;
    margin-top: 0 !important;
}

/* Logo Styles */
.logo a {
    text-decoration: none;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 12px;
    background: rgba(255, 255, 255, 0.15);
    padding: 7px 16px;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.logo-symbol {
    width: 33px;
    height: 33px;
    position: relative;
    transform-style: preserve-3d;
    transition: transform 0.6s ease;
    cursor: pointer;
}

.logo-symbol::before,
.logo-symbol::after {
    content: 'K';
    position: absolute;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: 900;
    font-family: 'Arial Black', sans-serif;
    border-radius: 50%;
    backface-visibility: hidden;
}

.logo-symbol::before {
    background: var(--primary-color);
    color: white;
    transform: rotateY(0deg);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.logo-symbol::after {
    background: white;
    color: var(--primary-color);
    transform: rotateY(180deg);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.logo:hover .logo-symbol {
    transform: rotateY(180deg);
}

.logo-text {
    display: flex;
    flex-direction: column;
    gap: 0px;
}

.logo-text-kod, 
.logo-text-zirve {
    color: #ffffff;
    text-decoration: none;
}

.logo-text-kod {
    font-size: 1.28rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1px;
    line-height: 1;
}

.logo-text-zirve {
    font-size: 0.92rem;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 2px;
    opacity: 0.9;
}

.logo a:hover .logo-text-kod,
.logo a:hover .logo-text-zirve {
    color: #ffffff;
}

/* Navigation Links */
.nav-links {
    display: flex;
    gap: 0.5rem;
    list-style: none;
    margin: 0;
    padding: 0;
    align-items: center;
}

.nav-links li a {
    color: #ffffff;
    text-decoration: none;
    font-weight: 500;
    font-size: 1.08rem;
    padding: 0.47rem 1rem;
    border-radius: 5px;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.1);
}

.nav-links li a:hover,
.nav-links li a.active {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-1px);
}

.nav-links li a.home-btn {
    padding: 0.47rem;
    width: 33px;
    height: 33px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Current Page Indicator */
.nav-links li a[href*="<?php echo basename(dirname($_SERVER['PHP_SELF'])); ?>"] {
    background: rgba(255, 255, 255, 0.25);
    border: 1px solid rgba(255, 255, 255, 0.3);
    font-weight: 600;
}

/* Menu Toggle for Mobile */
.menu-toggle {
    display: none;
    color: #ffffff;
    cursor: pointer;
    font-size: 1.4rem;
    padding: 0.4rem;
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.menu-toggle:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* Responsive Design */
@media screen and (max-width: 600px) {
    .menu-toggle {
        display: block;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 45px;
        right: 10px;
        background: var(--primary-color);
        border-radius: 8px;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        padding: 0.5rem;
        flex-direction: column;
        gap: 0.2rem;
        width: auto;
        min-width: 200px;
        max-height: calc(100vh - 65px);
        overflow-y: auto;
        scrollbar-width: thin;
        scrollbar-color: rgba(255, 255, 255, 0.5) rgba(255, 255, 255, 0.1);
    }

    .nav-links::-webkit-scrollbar {
        width: 6px;
    }

    .nav-links::-webkit-scrollbar-track {
        background: rgba(255, 255, 255, 0.1);
        border-radius: 3px;
    }

    .nav-links::-webkit-scrollbar-thumb {
        background: rgba(255, 255, 255, 0.5);
        border-radius: 3px;
    }

    .nav-links::-webkit-scrollbar-thumb:hover {
        background: rgba(255, 255, 255, 0.7);
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links li {
        width: 100%;
    }

    .nav-links li a {
        display: block;
        padding: 0.5rem 1rem;
        text-align: left;
        border-radius: 4px;
        font-size: 0.95rem;
    }

    .nav-links li a:hover {
        background: rgba(255, 255, 255, 0.2);
    }
}

@media screen and (max-width: 400px) {
    .navbar {
        padding: 0.2rem;
        height: 40px;
    }

    .logo-container {
        transform: scale(0.7);
    }

    .logo-symbol {
        width: 20px;
        height: 20px;
    }

    .logo-text {
        font-size: 0.9rem;
    }

    .logo-text-kod, .logo-text-zirve {
        font-size: 0.9rem;
    }

    .menu-toggle {
        font-size: 1.2rem;
    }

    .main-content {
        padding-top: 40px;
        margin-top: 0 !important;
    }

    .hero-content {
        padding: 0.8rem 0.8rem 0;
    }

    .courses-grid {
        gap: 0.8rem;
        padding: 0.3rem;
    }

    .courses h2 {
        font-size: 1.5rem;
        margin: 0.3rem 0 0.8rem;
    }

    .course-card h3 {
        font-size: 1.4rem;
        padding: 1rem 1rem 0.5rem;
    }

    .course-card p {
        font-size: 0.9rem;
        padding: 0 1rem 0.5rem;
    }

    .basla-button {
        margin: 0.5rem 1rem 1rem;
        font-size: 1rem;
    }

    .footer-content {
        padding: 1rem;
    }

    .footer-section {
        margin-bottom: 1rem;
    }
}

@media screen and (min-width: 601px) and (max-width: 1024px) {
    .navbar {
        height: 50px;
        padding: 0.3rem;
    }

    .logo-container {
        transform: scale(0.85);
        padding: 0;
    }

    .logo-symbol {
        width: 26px;
        height: 26px;
    }

    .logo-text {
        font-size: 1.1rem;
    }

    .logo-text-kod, .logo-text-zirve {
        font-size: 1.1rem;
    }

    .menu-toggle {
        font-size: 1.4rem;
    }

    .main-content {
        padding-top: 50px;
        margin-top: 0 !important;
    }

    .hero {
        margin: 0;
        padding: 0;
    }

    .hero-content {
        padding: 0;
    }

    .courses {
        margin: 0;
        padding: 0;
    }

    .courses h2 {
        margin: 0.8rem 0;
        font-size: 2rem;
    }

    .courses-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
        padding: 0.5rem;
        margin: 0;
    }
}

@media screen and (max-width: 600px) {
    .navbar {
        height: 45px;
        padding: 0.3rem;
    }

    .main-content {
        padding-top: 45px;
        margin-top: 0 !important;
    }

    .hero {
        margin: 0;
        padding: 0;
    }

    .hero-content {
        padding: 0;
    }

    .courses {
        margin: 0;
        padding: 0;
    }

    .courses h2 {
        margin: 0.5rem 0;
        font-size: 1.8rem;
    }

    .courses-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
        padding: 0.3rem;
        margin: 0;
    }
}

@media screen and (max-width: 400px) {
    .navbar {
        height: 40px;
    }

    .main-content {
        padding-top: 40px;
        margin-top: 0 !important;
    }

    .hero-content {
        padding: 0;
    }

    .courses h2 {
        font-size: 1.5rem;
        margin: 0.3rem 0;
    }

    .courses-grid {
        padding: 0.2rem;
    }
}

/* Hero Section */
.hero {
    position: relative;
    padding: 6rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 4rem;
    background: var(--primary-color);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--secondary-color);
    clip-path: polygon(100% 0, 0% 100%, 100% 100%);
    opacity: 0.8;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 120px;
    background: white;
    clip-path: ellipse(50% 60% at 50% 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    flex: 1;
    max-width: 600px;
    color: white;
}

.title-container {
    margin-bottom: 2rem;
    position: relative;
}

.title-container::before {
    content: '';
    position: absolute;
    top: -20px;
    left: -30px;
    width: 60px;
    height: 60px;
    border: 3px solid rgba(255, 255, 255, 0.2);
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    animation: morph 8s ease-in-out infinite;
}

@keyframes morph {
    0%, 100% { border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%; }
    25% { border-radius: 58% 42% 75% 25% / 76% 46% 54% 24%; }
    50% { border-radius: 50% 50% 33% 67% / 55% 27% 73% 45%; }
    75% { border-radius: 33% 67% 58% 42% / 63% 68% 32% 37%; }
}

.hero h1 {
    font-size: 3.2rem;
    line-height: 1.2;
    font-weight: 800;
    margin: 0;
}

.highlight-container {
    position: relative;
    display: inline-block;
    margin: 0.5rem 0;
}

.highlight {
    position: relative;
    z-index: 1;
    color: var(--primary-color);
    font-weight: 800;
}

.highlight-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: white;
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 2.5rem;
    opacity: 0.9;
    position: relative;
}

.cta-container {
    display: flex;
    gap: 1rem;
    position: relative;
}

.cta-container::after {
    content: '';
    position: absolute;
    bottom: -20px;
    right: -30px;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 63% 37% 54% 46% / 55% 48% 52% 45%;
}

.cta-button {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    color: var(--primary-color);
    background: white;
    border: none;
    border-radius: 30px;
    text-decoration: none;
    transition: all 0.3s ease;
    overflow: hidden;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(120deg, transparent 0%, transparent 50%, rgba(255, 255, 255, 0.2) 50%, transparent 100%);
    transform: translateX(-100%);
    transition: transform 0.3s ease;
}

.cta-button:hover {
    transform: translateY(-2px);
    border-radius: 20px;
}

.cta-button:hover::before {
    transform: translateX(100%);
}

.cta-icon {
    font-size: 1.2em;
    transition: transform 0.2s ease;
}

.cta-button:hover .cta-icon {
    transform: translateX(4px);
}

.hero-visual {
    position: relative;
    z-index: 1;
}

.image-stack {
    position: relative;
}

.image-container {
    position: relative;
    width: 220px;
    height: 220px;
    overflow: hidden;
    border-radius: 63% 37% 54% 46% / 55% 48% 52% 45%;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
    transition: all 0.6s ease;
}

.image-container:hover {
    border-radius: 48% 52% 68% 32% / 42% 28% 72% 58%;
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

@media (max-width: 768px) {
    .hero {
        flex-direction: column;
        padding: 4rem 1.5rem 8rem;
        text-align: center;
    }

    .hero::after {
        height: 80px;
    }

    .title-container::before {
        display: none;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .cta-container {
        justify-content: center;
    }

    .cta-container::after {
        display: none;
    }

    .image-container {
        width: 180px;
        height: 180px;
        margin: 0 auto;
    }
}

/* Courses Section */
.courses {
    padding: 6rem 2rem;
    background: linear-gradient(135deg, #f6f8fd 0%, #f1f4f9 100%);
}

.courses h2 {
    text-align: center;
    font-size: 2.8rem;
    margin-bottom: 4rem;
    color: var(--text-color);
    text-transform: uppercase;
    letter-spacing: 2px;
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
}

.courses h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2.5rem;
    max-width: 1400px;
    margin: 0 auto;
    padding: 1rem;
}

.course-card {
    position: relative;
    background: white;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    overflow: hidden;
    text-decoration: none;
    transform-style: preserve-3d;
    transform: perspective(1000px);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.course-card:hover {
    transform: perspective(1000px) translateY(-5px) rotateX(5deg);
    box-shadow: 0 20px 40px rgba(0,0,0,0.2);
}

.course-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    opacity: 0;
    transition: opacity 0.4s ease;
}

.course-card:hover::before {
    opacity: 0.8;
}

.course-card h3 {
    position: relative;
    font-size: 2rem;
    color: var(--text-color);
    margin: 0;
    padding: 2rem 2rem 1rem;
    transition: color 0.3s ease;
}

.course-card:hover h3 {
    color: white;
}

.course-card p {
    position: relative;
    font-size: 1.1rem;
    color: #666;
    line-height: 1.6;
    padding: 0 2rem 1rem;
    margin: 0;
    transition: color 0.3s ease;
}

.course-card:hover p {
    color: rgba(255,255,255,0.9);
}

.course-link {
    position: relative;
    display: inline-block;
    margin: 1rem 2rem 2rem;
    color: var(--primary-color);
    font-weight: 600;
    font-size: 1.2rem;
    text-transform: uppercase;
    text-decoration: none;
    letter-spacing: 1px;
    transition: color 0.3s ease;
}

.course-card:hover .course-link {
    color: white;
}

.course-link::after {
    content: '→';
    position: absolute;
    right: -25px;
    top: 50%;
    transform: translateY(-50%);
    opacity: 0;
    transition: all 0.3s ease;
}

.course-card:hover .course-link::after {
    opacity: 1;
    right: -35px;
}

@media screen and (max-width: 600px) {
    .courses-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding: 0.8rem;
        margin: 0 0.5rem;
    }

    .courses h2 {
        font-size: 1.8rem;
        margin-bottom: 1.5rem;
    }

    .course-card {
        margin-bottom: 1rem;
    }

    .course-card h3 {
        font-size: 1.6rem;
        padding: 1.5rem 1.5rem 0.8rem;
    }

    .course-card p {
        font-size: 1rem;
        padding: 0 1.5rem 0.8rem;
    }

    .course-link {
        margin: 0.8rem 1.5rem 1.5rem;
        font-size: 1.1rem;
    }
}

@media screen and (max-width: 400px) {
    .courses-grid {
        gap: 1rem;
        padding: 0.5rem;
        margin: 0 0.3rem;
    }

    .courses h2 {
        font-size: 1.5rem;
        margin-bottom: 1rem;
    }

    .course-card h3 {
        font-size: 1.4rem;
        padding: 1.2rem 1.2rem 0.6rem;
    }

    .course-card p {
        font-size: 0.9rem;
        padding: 0 1.2rem 0.6rem;
    }

    .course-link {
        margin: 0.6rem 1.2rem 1.2rem;
        font-size: 1rem;
    }
}

/* Footer Styles */
.footer {
    background-color: #1a1a1a;
    color: #fff;
    padding: 3rem 0;
    position: relative;
    z-index: 3;
    margin-top: auto;
}

.footer-content {
    max-width: var(--content-width, 1200px);
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

@media screen and (max-width: 768px) {
    .footer-content {
        padding: 0 1rem;
        grid-template-columns: 1fr;
    }
}

.footer-section {
    margin-bottom: 20px;
}

.footer-section h4 {
    color: #3498db;
    font-size: 1.2rem;
    margin-bottom: 20px;
    position: relative;
}

.footer-section h4::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -8px;
    width: 40px;
    height: 2px;
    background: #3498db;
}

.footer-section p {
    line-height: 1.6;
    margin-bottom: 20px;
    color: #ecf0f1;
}

.socials {
    display: flex;
    gap: 15px;
}

.socials a {
    width: 35px;
    height: 35px;
    background: #34495e;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    text-decoration: none;
    transition: all 0.3s ease;
}

.socials a:hover {
    background: #3498db;
    transform: translateY(-3px);
}

.footer-section.links ul {
    list-style: none;
    padding: 0;
}

.footer-section.links ul li {
    margin-bottom: 15px;
}

.footer-section.links ul li a {
    color: #ecf0f1;
    text-decoration: none;
    display: flex;
    align-items: center;
    transition: all 0.3s ease;
}

.footer-section.links ul li a i {
    margin-right: 10px;
    color: var(--primary-color);
    width: 20px;
    text-align: center;
}

.footer-section.links ul li a:hover {
    color: var(--primary-color);
    padding-left: 5px;
}

.footer-section.contact span {
    display: block;
    margin-bottom: 15px;
    color: #ecf0f1;
}

.footer-section.contact span i {
    margin-right: 10px;
    color: var(--primary-color);
    font-size: 1.1rem;
    width: 20px;
    text-align: center;
}

.newsletter-form {
    display: flex;
    margin-top: 20px;
}

.newsletter-form input {
    flex: 1;
    padding: 10px;
    border: none;
    outline: none;
    background: #34495e;
    color: #fff;
    border-radius: 4px 0 0 4px;
}

.newsletter-form button {
    padding: 10px 15px;
    border: none;
    background: #3498db;
    color: #fff;
    border-radius: 0 4px 4px 0;
    cursor: pointer;
    transition: background 0.3s ease;
}

.newsletter-form button:hover {
    background: #2980b9;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    margin-top: 20px;
    border-top: 1px solid #34495e;
    color: #bdc3c7;
}

.link-columns {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

@media (max-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .footer-section {
        text-align: center;
    }
    
    .footer-section h4::after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .socials {
        justify-content: center;
    }
    
    .footer-section.links ul li a {
        justify-content: center;
    }
}

.footer-section.links .link-columns {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.footer-section.links h5 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.1rem;
    font-weight: 600;
}

.footer-section.links ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-section.links ul li {
    margin-bottom: 0.8rem;
}

.footer-section.links ul li a {
    color: #f8f9fa;
    text-decoration: none;
    display: flex;
    align-items: center;
    transition: all 0.3s ease;
    font-size: 0.95rem;
}

.footer-section.links ul li a i {
    margin-right: 10px;
    color: var(--primary-color);
    font-size: 1.1rem;
    width: 20px;
    text-align: center;
}

.footer-section.links ul li a:hover {
    color: var(--primary-color);
    transform: translateX(5px);
}

.footer-section.contact span {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
    color: #f8f9fa;
    font-size: 0.95rem;
}

.footer-section.contact span i {
    margin-right: 10px;
    color: var(--primary-color);
    font-size: 1.1rem;
    width: 20px;
    text-align: center;
}

.newsletter-form {
    display: flex;
    gap: 0.5rem;
    margin-top: 1.5rem;
}

.newsletter-form input {
    flex: 1;
    padding: 0.5rem 1rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    border-radius: 4px;
}

.newsletter-form button {
    padding: 0.5rem 1.5rem;
    background: var(--primary-color);
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.newsletter-form button:hover {
    background: var(--primary-hover);
}

@media (max-width: 768px) {
    .footer-section.links .link-columns {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .footer-section.links .link-columns {
        grid-template-columns: 1fr;
    }
}

.footer {
    background-color: #333;
    color: white;
    padding: 20px 0;
    margin-top: auto;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 2rem;
}

.footer-section h4 {
    color: #fff;
    margin-bottom: 1rem;
}

.footer-section ul {
    list-style: none;
    padding: 0;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: #fff;
    text-decoration: none;
}

.footer-section ul li a:hover {
    text-decoration: underline;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    margin-top: 20px;
    border-top: 1px solid #444;
}

.footer-bottom p {
    margin: 0;
    font-size: 14px;
}

.tutorial-container {
    display: flex;
    margin-top: 58px;
    min-height: calc(100vh - 58px);
    margin-left: 0;
    padding: 0;
}

.content {
    flex: 1;
    padding: 2rem;
    margin-left: 250px;
}

.main-content {
    margin-top: 58px;
    padding: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(76, 175, 80, 0.95);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        padding: 0.8rem;
        box-shadow: 0 4px 20px rgba(76, 175, 80, 0.2);
        flex-direction: column;
        gap: 0.5rem;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links li a {
        display: block;
        text-align: center;
        padding: 0.8rem;
        margin: 0.3rem 0;
        background: rgba(255, 255, 255, 0.1);
    }

    .nav-links li a:hover {
        background: rgba(255, 255, 255, 0.2);
        transform: translateY(-2px);
    }

    .logo-container {
        padding: 3px 8px;
        gap: 6px;
    }

    .logo-text-kod, .logo-text-zirve {
        font-size: 1rem;
    }

    .logo-symbol {
        width: 24px;
        height: 24px;
    }

    .logo-symbol::before,
    .logo-symbol::after {
        font-size: 16px;
    }
}

/* Sidebar Styles */
.sidebar {
    width: 250px;
    background: rgba(248, 249, 250, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 2rem 1rem;
    border-right: 1px solid rgba(222, 226, 230, 0.5);
    position: fixed;
    height: calc(100vh - 58px);
    overflow-y: auto;
    top: 58px;
    left: 0;
    transition: all 0.3s ease;
}

.sidebar h3 {
    margin-bottom: 1rem;
    color: var(--primary-color);
    font-weight: 600;
}

.sidebar ul {
    list-style: none;
    padding: 0;
}

.sidebar ul li {
    margin-bottom: 0.5rem;
}

.sidebar ul li a {
    text-decoration: none;
    color: var(--text-color);
    display: block;
    padding: 0.8rem 1rem;
    border-radius: 6px;
    transition: all 0.3s ease;
    font-size: 0.95rem;
    background: rgba(255, 255, 255, 0.5);
    border: 1px solid rgba(222, 226, 230, 0.3);
}

.sidebar ul li a:hover,
.sidebar ul li a.active {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(76, 175, 80, 0.15);
}

/* Tutorial Content */
.tutorial-content {
    flex: 1;
    padding: 2rem;
    margin-left: 250px;
    background: rgba(255, 255, 255, 0.95);
    min-height: calc(100vh - 58px);
    margin-top: 58px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .navbar {
        padding: 0.2rem 1rem;
        height: 35px;
    }

    .menu-toggle {
        display: block;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(76, 175, 80, 0.95);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        padding: 0.8rem;
        box-shadow: 0 4px 20px rgba(76, 175, 80, 0.2);
        flex-direction: column;
        gap: 0.5rem;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
    }

    .nav-links.active {
        display: flex;
    }

    .sidebar {
        transform: translateX(-100%);
        z-index: 999;
    }

    .sidebar.active {
        transform: translateX(0);
    }

    .tutorial-content {
        margin-left: 0;
        padding: 1rem;
    }
}

.footer-section.links ul li a {
    color: #f8f9fa;
    text-decoration: none;
    display: flex;
    align-items: center;
    transition: all 0.3s ease;
}

.footer-section.links ul li a i {
    margin-right: 10px;
    color: var(--primary-color);
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

.footer-section.links ul li a:hover {
    color: var(--primary-color);
}

.footer-section.links ul li a:hover i {
    transform: translateX(5px);
}

.footer-section.contact span {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
    color: #f8f9fa;
}

.footer-section.contact span i {
    margin-right: 10px;
    color: var(--primary-color);
    font-size: 1.2rem;
}

/* Social Icons */
.social-icons {
    margin-top: 20px;
    display: flex;
    gap: 15px;
}

.social-icons a {
    width: 35px;
    height: 35px;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.social-icons a i {
    color: var(--primary-color);
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

.social-icons a:hover {
    background: var(--primary-color);
}

.social-icons a:hover i {
    color: #fff;
}