/* === RESET & BASE === */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #0a0a0a;
    color: #ffffff;
    line-height: 1.6;
    overflow-x: hidden;
}

/* === VARIABLES === */
:root {
    --primary-color: #00ff9f;
    --secondary-color: #00d4ff;
    --accent-color: #ff6b35;
    --dark-bg: #0a0a0a;
    --darker-bg: #050505;
    --card-bg: rgba(0, 20, 40, 0.8);
    --border-color: rgba(0, 255, 159, 0.2);
    --text-light: #ffffff;
    --text-muted: #888888;
    --gradient-primary: linear-gradient(135deg, #00ff9f, #00d4ff);
    --gradient-secondary: linear-gradient(135deg, #00d4ff, #0099cc);
    --shadow-primary: 0 10px 30px rgba(0, 255, 159, 0.3);
    --shadow-secondary: 0 10px 30px rgba(0, 212, 255, 0.3);
}

/* === CONTAINER === */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* === NAVIGATION === */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 15px 0;
    border-bottom: 1px solid var(--border-color);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo .logo {
    height: 88px;
    filter: brightness(1.2);
}

.nav-menu {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-link {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 500;
    font-family: 'Montserrat', sans-serif;
    font-size: 0.9rem;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    position: relative;
    text-transform: uppercase;
}

.nav-link:hover {
    color: var(--primary-color);
    text-shadow: 0 0 10px var(--primary-color);
}

.nav-link.login-btn,
.nav-link.profile-btn {
    background: var(--gradient-primary);
    padding: 10px 20px;
    border-radius: 25px;
    color: var(--dark-bg);
    font-weight: 600;
}

.nav-link.login-btn:hover,
.nav-link.profile-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-primary);
    color: var(--dark-bg);
    text-shadow: none;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    margin: 3px 0;
    transition: 0.3s;
}

/* === HERO SECTION === */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 80px;
    position: relative;
    overflow: hidden;
    background: radial-gradient(ellipse at center, rgba(0, 255, 159, 0.1) 0%, transparent 50%);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('img/Arkaplan.png') center/cover;
    opacity: 0.3;
    z-index: -2;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.7), rgba(0, 20, 40, 0.5));
    z-index: -1;
}

.hero-container {
    text-align: center;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

.hero-logo {
    margin-bottom: 2rem;
}

.hero-logo-img {
    height: 120px;
    filter: drop-shadow(0 0 20px var(--primary-color));
    animation: pulse 2s infinite;
}

.hero-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 4rem;
    font-weight: 900;
    color: var(--text-light);
    margin-bottom: 1rem;
    text-shadow: 0 0 30px var(--primary-color);
    letter-spacing: 3px;
    text-transform: uppercase;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 3rem;
    font-weight: 300;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.hero-search {
    display: flex;
    gap: 1rem;
    align-items: center;
    flex-wrap: wrap;
}

.search-input {
    background: rgba(0, 20, 40, 0.8);
    border: 1px solid var(--border-color);
    border-radius: 25px;
    padding: 12px 20px;
    color: var(--text-light);
    font-size: 1rem;
    width: 200px;
    outline: none;
    transition: all 0.3s ease;
}

.search-input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 15px rgba(0, 255, 159, 0.3);
}

.search-btn,
.search-btn-alt {
    background: rgba(0, 20, 40, 0.8);
    border: 1px solid var(--border-color);
    color: var(--text-light);
    padding: 12px 20px;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Montserrat', sans-serif;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.search-btn:hover,
.search-btn-alt:hover {
    background: var(--primary-color);
    color: var(--dark-bg);
    transform: translateY(-2px);
    box-shadow: var(--shadow-primary);
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

/* === HERO CHARACTERS === */
.hero-characters {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
    pointer-events: none;
}

.hero-character {
    position: absolute;
    top: 0;
    width: 40%;
    height: 100%;
    opacity: 0.9;
    animation: characterGlow 4s ease-in-out infinite alternate;
}

.hero-character img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: bottom;
}

.left-character {
    left: -10%;
}

.left-character::before {
    content: '';
    position: absolute;
    top: 10%;
    left: 20%;
    width: 60%;
    height: 80%;
    background: radial-gradient(ellipse at center, 
        rgba(0, 255, 159, 0.4) 0%, 
        rgba(0, 255, 159, 0.2) 40%, 
        transparent 70%);
    border-radius: 50%;
    z-index: -1;
    animation: glowPulse 3s ease-in-out infinite alternate;
}

.left-character img {
    filter: drop-shadow(0 0 30px rgba(0, 255, 159, 0.6));
}

.right-character {
    right: -10%;
    animation-delay: 2s;
}

.right-character::before {
    content: '';
    position: absolute;
    top: 10%;
    left: 20%;
    width: 60%;
    height: 80%;
    background: radial-gradient(ellipse at center, 
        rgba(0, 212, 255, 0.4) 0%, 
        rgba(0, 212, 255, 0.2) 40%, 
        transparent 70%);
    border-radius: 50%;
    z-index: -1;
    animation: glowPulse 3s ease-in-out infinite alternate;
    animation-delay: 1.5s;
}

.right-character img {
    filter: drop-shadow(0 0 30px rgba(0, 212, 255, 0.6));
}

@keyframes glowPulse {
    0% {
        opacity: 0.6;
        transform: scale(1);
    }
    100% {
        opacity: 1;
        transform: scale(1.1);
    }
}

@keyframes characterGlow {
    0% {
        opacity: 0.8;
    }
    100% {
        opacity: 1;
    }
}

/* === HERO LIGHT LINES === */
.hero-light-lines {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
    pointer-events: none;
}

.hero-light-line {
    position: absolute;
    width: 8px;
    height: 0;
    border-radius: 4px;
    top: 15%;
}

.left-light {
    left: 8%;
    background: linear-gradient(to bottom,
        transparent 0%,
        rgba(0, 255, 159, 0.8) 20%,
        rgba(0, 255, 159, 1) 50%,
        rgba(0, 255, 159, 0.8) 80%,
        transparent 100%);
    box-shadow: 0 0 20px rgba(0, 255, 159, 0.8);
    animation: leftLightFlow 15s ease-in-out infinite;
    transform: rotate(-15deg);
}

.right-light {
    right: 8%;
    background: linear-gradient(to bottom,
        transparent 0%,
        rgba(0, 212, 255, 0.8) 20%,
        rgba(0, 212, 255, 1) 50%,
        rgba(0, 212, 255, 0.8) 80%,
        transparent 100%);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.8);
    animation: rightLightFlow 15s ease-in-out infinite;
    animation-delay: 7.5s;
    transform: rotate(15deg);
}

@keyframes leftLightFlow {
    0% {
        height: 0;
        opacity: 0;
    }
    20% {
        height: 60vh;
        opacity: 1;
    }
    80% {
        height: 60vh;
        opacity: 1;
    }
    100% {
        height: 0;
        opacity: 0;
    }
}

@keyframes rightLightFlow {
    0% {
        height: 0;
        opacity: 0;
    }
    20% {
        height: 60vh;
        opacity: 1;
    }
    80% {
        height: 60vh;
        opacity: 1;
    }
    100% {
        height: 0;
        opacity: 0;
    }
}

.action-btn,
.action-btn-alt {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    padding: 15px 30px;
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 1rem;
}

.action-btn:hover,
.action-btn-alt:hover {
    background: var(--primary-color);
    color: var(--dark-bg);
    transform: translateY(-3px);
    box-shadow: var(--shadow-primary);
}

/* === BUTTONS === */
.btn {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    border: none;
    transition: all 0.3s ease;
    font-size: 1rem;
    position: relative;
    overflow: hidden;
    font-family: 'Montserrat', sans-serif;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--dark-bg);
    box-shadow: 0 5px 15px rgba(0, 255, 159, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-primary);
}

.btn-secondary {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: var(--dark-bg);
    transform: translateY(-3px);
}

.btn-download {
    background: var(--gradient-secondary);
    color: white;
}

.btn-download:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-secondary);
}

.btn-full {
    width: 100%;
}

/* === SECTIONS === */
section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 60px;
    color: var(--primary-color);
    font-family: 'Montserrat', sans-serif;
    text-transform: uppercase;
    letter-spacing: 2px;
    text-shadow: 0 0 20px var(--primary-color);
}

/* === FEATURES SECTION === */
.features {
    background: var(--darker-bg);
    position: relative;
}

.features::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at center, rgba(0, 212, 255, 0.05) 0%, transparent 50%);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    position: relative;
    z-index: 2;
}

.feature-card {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 40px 30px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(0, 255, 159, 0.2);
    border-color: var(--primary-color);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    display: block;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--primary-color);
    font-family: 'Montserrat', sans-serif;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.feature-card p {
    color: var(--text-light);
    line-height: 1.6;
}

/* === PRODUCTS SECTION === */
.products {
    background: var(--dark-bg);
    position: relative;
}

.products::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at center, rgba(0, 255, 159, 0.05) 0%, transparent 50%);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    position: relative;
    z-index: 2;
}

.product-card {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 30px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(0, 255, 159, 0.2);
    border-color: var(--primary-color);
}

.product-image {
    position: relative;
    text-align: center;
    margin-bottom: 25px;
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-image img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    filter: brightness(1.2);
}

.product-overlay {
    position: absolute;
    top: -10px;
    right: -10px;
}

.product-tag {
    background: var(--gradient-primary);
    color: var(--dark-bg);
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.product-info h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--primary-color);
    font-family: 'Montserrat', sans-serif;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.product-description {
    color: var(--text-light);
    margin-bottom: 20px;
    line-height: 1.6;
}

.product-pricing {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 25px;
}

.price-old {
    color: var(--text-muted);
    text-decoration: line-through;
    font-size: 1rem;
}

.price-new {
    color: var(--primary-color);
    font-size: 1.5rem;
    font-weight: 700;
    font-family: 'Montserrat', sans-serif;
}

.product-btn {
    width: 100%;
}

.products-cta {
    text-align: center;
    margin-top: 60px;
}

/* === DOWNLOAD SECTION === */
.download {
    background: var(--darker-bg);
}

.download-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.download-card {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 40px;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.download-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(0, 212, 255, 0.2);
    border-color: var(--secondary-color);
}

.download-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    display: block;
}

.download-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--secondary-color);
    font-family: 'Montserrat', sans-serif;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.download-card p {
    color: var(--text-light);
    margin-bottom: 25px;
    line-height: 1.6;
}

/* === MODALS === */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
}

.modal-content {
    background: var(--card-bg);
    margin: 5% auto;
    padding: 0;
    border-radius: 20px;
    width: 90%;
    max-width: 500px;
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.modal-header {
    background: var(--gradient-primary);
    color: var(--dark-bg);
    padding: 20px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 600;
    font-family: 'Montserrat', sans-serif;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.close {
    color: var(--dark-bg);
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
}

.close:hover {
    opacity: 0.7;
}

.auth-form {
    padding: 30px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-light);
    font-weight: 500;
    font-family: 'Montserrat', sans-serif;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
}

.form-group input {
    width: 100%;
    padding: 15px;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    background: rgba(0, 20, 40, 0.8);
    color: white;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 10px rgba(0, 255, 159, 0.3);
}

.auth-switch {
    text-align: center;
    margin-top: 20px;
}

.auth-switch a {
    color: var(--primary-color);
    text-decoration: none;
}

.auth-switch a:hover {
    text-decoration: underline;
}

/* === MESSAGES === */
.message {
    margin-top: 15px;
    padding: 12px;
    border-radius: 8px;
    text-align: center;
    font-weight: 500;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.message.show {
    opacity: 1;
}

.message.success {
    background: rgba(0, 255, 159, 0.1);
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
}

.message.error {
    background: rgba(255, 107, 53, 0.1);
    border: 1px solid var(--accent-color);
    color: var(--accent-color);
}

/* === FOOTER === */
.footer {
    background: var(--darker-bg);
    border-top: 1px solid var(--border-color);
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    color: var(--primary-color);
    margin-bottom: 20px;
    font-size: 1.2rem;
    font-family: 'Montserrat', sans-serif;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-logo {
    height: 60px;
    margin-bottom: 15px;
    filter: brightness(1.2);
}

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

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section ul li a {
    color: var(--text-light);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
}

/* === ANIMATIONS === */
@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* === LOADING === */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: var(--primary-color);
    animation: spin 1s ease-in-out infinite;
}

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

.loading-products {
    text-align: center;
    color: var(--primary-color);
    font-family: 'Montserrat', sans-serif;
    text-transform: uppercase;
    letter-spacing: 1px;
    grid-column: 1 / -1;
    padding: 3rem;
}

/* === RESPONSIVE === */
/* Large screens (1400px+) */
@media (min-width: 1400px) {
    .container {
        max-width: 1400px;
    }
    
    .hero-title {
        font-size: 5rem;
    }
    
    .hero-subtitle {
        font-size: 1.8rem;
    }
    
    .section-title {
        font-size: 3.5rem;
    }
}

/* Medium-large screens (1200px - 1399px) */
@media (max-width: 1399px) {
    .container {
        max-width: 1200px;
    }
}

/* Medium screens (992px - 1199px) */
@media (max-width: 1199px) {
    .container {
        max-width: 960px;
    }
    
    .hero-title {
        font-size: 3.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.3rem;
    }
    
    .section-title {
        font-size: 2.5rem;
    }
    
    .nav-menu {
        gap: 20px;
    }
    
    .nav-link {
        font-size: 0.85rem;
    }
}

/* Small-medium screens (768px - 991px) */
@media (max-width: 991px) {
    .container {
        max-width: 720px;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .section-title {
        font-size: 2.2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .hero-search {
        flex-direction: column;
        width: 100%;
        gap: 0.8rem;
    }
    
    .search-input {
        width: 100%;
    }
    
    .products-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
    
    .features-grid {
        grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    }
}

/* Hero Characters Responsive */
@media (max-width: 1199px) {
    .hero-character {
        width: 30%;
    }
    
    .left-character {
        left: -3%;
    }
    
    .right-character {
        right: -3%;
    }
    
    .left-light {
        left: 6%;
    }
    
    .right-light {
        right: 6%;
    }
}

@media (max-width: 991px) {
    .hero-character {
        width: 25%;
        opacity: 0.6;
    }
    
    .left-character {
        left: -2%;
    }
    
    .right-character {
        right: -2%;
    }
    
    .left-light {
        left: 4%;
        width: 6px;
    }
    
    .right-light {
        right: 4%;
        width: 6px;
    }
    
    @keyframes leftLightFlow {
        0% {
            height: 0;
            opacity: 0;
        }
        20% {
            height: 50vh;
            opacity: 1;
        }
        80% {
            height: 50vh;
            opacity: 1;
        }
        100% {
            height: 0;
            opacity: 0;
        }
    }
    
    @keyframes rightLightFlow {
        0% {
            height: 0;
            opacity: 0;
        }
        20% {
            height: 50vh;
            opacity: 1;
        }
        80% {
            height: 50vh;
            opacity: 1;
        }
        100% {
            height: 0;
            opacity: 0;
        }
    }
}

/* Tablet screens (768px - 991px) */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        right: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: rgba(10, 10, 10, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding: 30px 20px;
        transition: right 0.3s ease;
        border-left: 1px solid var(--border-color);
        overflow-y: auto;
        overflow-x: hidden;
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-menu .nav-link {
        font-size: 1.2rem;
        margin: 15px 0;
        padding: 10px 20px;
        border-radius: 10px;
        transition: all 0.3s ease;
        display: block;
        text-align: center;
        width: 200px;
    }
    
    .nav-menu .nav-link:hover {
        background: rgba(0, 255, 159, 0.1);
    }
    
    .nav-menu .nav-link.login-btn,
    .nav-menu .nav-link.profile-btn {
        background: var(--gradient-primary);
        color: var(--dark-bg);
        font-weight: 600;
        margin-top: 30px;
    }
    
    .nav-menu .nav-link.login-btn:hover,
    .nav-menu .nav-link.profile-btn:hover {
        transform: scale(1.05);
        box-shadow: var(--shadow-primary);
        background: var(--gradient-primary);
        color: var(--dark-bg);
    }
    
    .hamburger {
        display: flex;
        z-index: 1001;
    }
    
    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(6px, 6px);
    }
    
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(6px, -6px);
    }
    
    .container {
        max-width: 540px;
        padding: 0 15px;
    }
    
    .hero-title {
        font-size: 2.5rem;
        letter-spacing: 2px;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
        letter-spacing: 1px;
    }
    
    .section-title {
        font-size: 2rem;
        margin-bottom: 40px;
    }
    
    .hero-buttons,
    .hero-actions {
        flex-direction: column;
        gap: 1rem;
    }
    
    .hero-search {
        flex-direction: column;
        width: 100%;
        gap: 0.8rem;
    }
    
    .search-input {
        width: 100%;
        font-size: 0.9rem;
    }
    
    .search-btn,
    .search-btn-alt {
        font-size: 0.8rem;
        padding: 10px 18px;
    }
    
    .products-grid,
    .download-grid,
    .features-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .modal-content {
        margin: 10% auto;
        width: 95%;
        padding: 1.5rem;
    }
    
    .feature-card,
    .product-card,
    .download-card {
        padding: 25px 20px;
    }
    
    .btn {
        padding: 12px 25px;
        font-size: 0.9rem;
    }
    
    .action-btn,
    .action-btn-alt {
        padding: 12px 25px;
        font-size: 0.9rem;
    }
    
    section {
        padding: 60px 0;
    }
}

/* Mobile screens (576px - 767px) */
@media (max-width: 576px) {
    .container {
        max-width: 100%;
        padding: 0 10px;
    }
    
    .hero-title {
        font-size: 2.2rem;
        letter-spacing: 1px;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-logo-img {
        height: 90px;
    }
    
    .section-title {
        font-size: 1.8rem;
        margin-bottom: 30px;
    }
    
    .nav-container {
        padding: 0 15px;
    }
    
    .nav-logo .logo {
        height: 69px;
    }
    
    .hero-buttons,
    .hero-actions {
        gap: 0.8rem;
    }
    
    /* Mobilde karakterleri gizle */
    .hero-characters {
        display: none;
    }
    
    .search-input {
        padding: 10px 15px;
        font-size: 0.9rem;
    }
    
    .search-btn,
    .search-btn-alt {
        padding: 10px 15px;
        font-size: 0.8rem;
    }
    
    .btn {
        padding: 10px 20px;
        font-size: 0.85rem;
    }
    
    .action-btn,
    .action-btn-alt {
        padding: 12px 20px;
        font-size: 0.85rem;
    }
    
    .feature-card,
    .product-card,
    .download-card {
        padding: 20px 15px;
    }
    
    .feature-card h3,
    .product-info h3,
    .download-card h3 {
        font-size: 1.2rem;
    }
    
    .modal-content {
        margin: 5% auto;
        width: 98%;
        padding: 1rem;
    }
    
    section {
        padding: 40px 0;
    }
}

/* Small mobile screens (480px and below) */
@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
        line-height: 1.2;
    }
    
    .hero-subtitle {
        font-size: 0.9rem;
        margin-bottom: 2rem;
    }
    
    .hero-logo-img {
        height: 70px;
    }
    
    .section-title {
        font-size: 1.6rem;
        margin-bottom: 25px;
    }
    
    .hero-container {
        padding: 0 10px;
    }
    
    .btn {
        padding: 10px 18px;
        font-size: 0.8rem;
    }
    
    .action-btn,
    .action-btn-alt {
        padding: 10px 18px;
        font-size: 0.8rem;
    }
    
    .search-input {
        padding: 8px 12px;
        font-size: 0.85rem;
    }
    
    .search-btn,
    .search-btn-alt {
        padding: 8px 12px;
        font-size: 0.75rem;
    }
    
    .feature-card,
    .product-card,
    .download-card {
        padding: 15px 10px;
    }
    
    .feature-icon,
    .download-icon {
        font-size: 2.5rem;
    }
    
    .feature-card h3,
    .product-info h3,
    .download-card h3 {
        font-size: 1.1rem;
        margin-bottom: 10px;
    }
    
    .feature-card p,
    .product-description,
    .download-card p {
        font-size: 0.9rem;
        line-height: 1.4;
    }
    
    .price-new {
        font-size: 1.3rem;
    }
    
    .modal-content {
        margin: 2% auto;
        width: 100%;
        border-radius: 10px;
        padding: 0.8rem;
    }
    
    section {
        padding: 30px 0;
    }
}

/* Extra small screens (360px and below) */
@media (max-width: 360px) {
    .hero-title {
        font-size: 1.8rem;
    }
    
    .hero-subtitle {
        font-size: 0.85rem;
    }
    
    .hero-logo-img {
        height: 60px;
    }
    
    .section-title {
        font-size: 1.4rem;
    }
    
    .nav-container {
        padding: 0 10px;
    }
    
    .container {
        padding: 0 5px;
    }
    
    .btn {
        padding: 8px 15px;
        font-size: 0.75rem;
    }
    
    .action-btn,
    .action-btn-alt {
        padding: 8px 15px;
        font-size: 0.75rem;
    }
    
    .feature-card,
    .product-card,
    .download-card {
        padding: 12px 8px;
    }
    
    .modal-content {
        padding: 0.5rem;
    }
}

/* High DPI / Retina displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .hero-logo-img,
    .nav-logo .logo,
    .footer-logo {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

/* Landscape orientation on mobile */
@media (max-height: 500px) and (orientation: landscape) {
    .hero {
        min-height: 100vh;
        padding-top: 60px;
    }
    
    .hero-title {
        font-size: 2rem;
        margin-bottom: 0.5rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
        margin-bottom: 1.5rem;
    }
    
    .hero-logo-img {
        height: 60px;
    }
    
    .hero-buttons,
    .hero-actions {
        gap: 0.5rem;
    }
    
    section {
        padding: 40px 0;
    }
}

/* Print styles */
@media print {
    .navbar,
    .hero-buttons,
    .hero-actions,
    .btn,
    .modal {
        display: none !important;
    }
    
    body {
        background: white !important;
        color: black !important;
    }
    
    .hero-title,
    .section-title {
        color: black !important;
    }
}

/* === GAMEPLAY DEMO SECTION === */
.gameplay-demo {
    background: var(--darker-bg);
    position: relative;
    overflow: hidden;
}

.gameplay-demo::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at center, rgba(0, 255, 159, 0.08) 0%, transparent 50%);
    z-index: 1;
}

.gameplay-demo .container {
    position: relative;
    z-index: 2;
}

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 50px;
    font-weight: 300;
    letter-spacing: 1px;
}

.demo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    padding: 20px 0;
}

.demo-card {
    background: var(--card-bg);
    border-radius: 20px;
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.demo-card:hover {
    transform: translateY(-15px) rotateX(5deg);
    box-shadow:
        0 25px 60px rgba(0, 255, 159, 0.25),
        0 0 30px rgba(0, 255, 159, 0.1);
    border-color: var(--primary-color);
}

.demo-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg,
        rgba(0, 255, 159, 0.05) 0%,
        rgba(0, 212, 255, 0.05) 50%,
        rgba(0, 255, 159, 0.05) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 1;
}

.demo-card:hover::before {
    opacity: 1;
}

.demo-image-container {
    position: relative;
    height: 220px;
    background: linear-gradient(45deg, #001a2e, #002b4f);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.demo-gif {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.4s ease;
    filter: brightness(1.1) contrast(1.1);
}

.demo-card:hover .demo-gif {
    transform: scale(1.05);
    filter: brightness(1.2) contrast(1.2) saturate(1.1);
}


.demo-info {
    padding: 25px;
    position: relative;
    z-index: 2;
}

.demo-info h3 {
    color: var(--primary-color);
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 10px;
    font-family: 'Montserrat', sans-serif;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-shadow: 0 0 10px rgba(0, 255, 159, 0.3);
}

.demo-info p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.5;
    font-size: 0.95rem;
    margin: 0;
}

/* Gaming effects */
.demo-card::after {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg,
        var(--primary-color),
        var(--secondary-color),
        var(--primary-color));
    border-radius: 22px;
    opacity: 0;
    z-index: -1;
    transition: opacity 0.3s ease;
    animation: rotate 4s linear infinite;
}

.demo-card:hover::after {
    opacity: 0.7;
}


/* Rotating border animation */
@keyframes rotate {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

/* Responsive Design for Demo Section */
@media (max-width: 1200px) {
    .demo-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 30px;
    }
    
    .demo-image-container {
        height: 200px;
    }
}

@media (max-width: 768px) {
    .demo-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .demo-image-container {
        height: 180px;
    }
    
    .demo-info {
        padding: 20px;
    }
    
    .demo-info h3 {
        font-size: 1.2rem;
    }
    
    
    .section-subtitle {
        font-size: 1.1rem;
        margin-bottom: 30px;
    }
}

@media (max-width: 576px) {
    .demo-image-container {
        height: 160px;
    }
    
    .demo-info {
        padding: 15px;
    }
    
    .demo-info h3 {
        font-size: 1.1rem;
        margin-bottom: 8px;
    }
    
    .demo-info p {
        font-size: 0.9rem;
    }
    
    .demo-card:hover {
        transform: translateY(-10px);
    }
}

@media (max-width: 480px) {
    .demo-image-container {
        height: 140px;
    }
    
    .demo-info {
        padding: 12px;
    }
}