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

:root {
    --dark-bg: #2b2b2b;
    --panel-bg: #3a3a3a;
    --accent-blue: #4a9eff;
    --success-green: #00ff88;
    --text-white: #ffffff;
    --text-gray: #b0b0b0;
    --border-color: #4a4a4a;
}

body {
    font-family: 'Darker Grotesque', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: linear-gradient(135deg, var(--dark-bg) 0%, #1a1a1a 100%);
    background-attachment: fixed;
    color: var(--text-white);
    line-height: 1.6;
}

html {
    scroll-behavior: smooth;
}

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

/* Navigation */
.navbar {
    background-color: var(--panel-bg);
    padding: 1rem 0;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-text {
    font-size: 2.2rem;
    font-weight: 400;
    color: var(--text-white);
    letter-spacing: 0.04em;
}

.brand-name {
    font-size: 1.1rem;
    font-weight: 400;
    color: var(--text-white);
    opacity: 0.9;
    margin-top: 4px;
}

/* Hamburger Menu Button */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 20px;
    height: 16px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
    transition: transform 0.3s ease;
}

.hamburger-line {
    width: 100%;
    height: 2px;
    background-color: var(--text-white);
    border-radius: 2px;
    transition: all 0.3s ease;
}

.hamburger.active {
    transform: rotate(0deg);
}

.hamburger.active .hamburger-line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.hamburger.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.hamburger.active .hamburger-line:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    margin: 0;
    padding: 0;
}

.nav-menu .menu-logo {
    display: none;
}

.nav-menu a {
    color: var(--text-white);
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 500;
    transition: color 0.3s;
    padding: 0.5rem 0;
    display: block;
}

.nav-menu a:hover {
    color: var(--accent-blue);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: rgba(42, 42, 42, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        padding: 80px 30px 30px;
        gap: 0;
        box-shadow: -5px 0 20px rgba(0, 0, 0, 0.5);
        transition: right 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
        z-index: 1000;
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-menu li {
        width: 100%;
        opacity: 0;
        transform: translateX(30px);
        animation: slideIn 0.4s ease forwards;
    }
    
    .nav-menu.active li:nth-child(1) {
        animation-delay: 0.1s;
    }
    
    .nav-menu.active li:nth-child(2) {
        animation-delay: 0.2s;
    }
    
    .nav-menu.active li:nth-child(3) {
        animation-delay: 0.3s;
    }
    
    .nav-menu.active li:nth-child(4) {
        animation-delay: 0.4s;
    }
    
    .nav-menu .menu-logo {
        position: fixed;
        top: 20px;
        left: 30px;
        display: flex;
        align-items: center;
        padding: 0;
        margin: 0;
        border: none;
        opacity: 1;
        transform: none;
        animation: none;
        z-index: 1001;
    }
    
    .nav-menu .menu-logo {
        display: flex;
    }
    
    .nav-menu a {
        font-size: 1rem;
        font-weight: 400;
        padding: 1rem 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .nav-menu li:last-child a {
        border-bottom: none;
    }
    
    .logo-text {
        font-size: 1.8rem;
    }
    
    .brand-name {
        font-size: 0.9rem;
    }
}

@keyframes slideIn {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Tablet responsive */
@media (max-width: 1024px) and (min-width: 769px) {
    .nav-menu {
        gap: 1.5rem;
    }
    
    .nav-menu a {
        font-size: 1rem;
    }
    
    .logo-text {
        font-size: 2rem;
    }
    
    .brand-name {
        font-size: 1rem;
    }
}

/* Hero Section */
.hero {
    margin-top: 80px;
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(74, 158, 255, 0.1) 0%, transparent 50%);
}

.hero-layout {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.3fr);
    align-items: center;
    gap: 3rem;
}

.hero-visual {
    display: flex;
    justify-content: flex-start;
}

.hero-egg-card {
    position: relative;
    width: 100%;
    max-width: 420px;
    aspect-ratio: 4 / 3;
    border-radius: 24px;
    overflow: hidden;
    background: radial-gradient(circle at 20% 20%, rgba(255,255,255,0.08), transparent 60%),
                radial-gradient(circle at 80% 80%, rgba(74,158,255,0.18), transparent 55%),
                rgba(0,0,0,0.4);
    border: 1px solid rgba(255,255,255,0.08);
    box-shadow: 0 30px 80px rgba(0,0,0,0.6);
}

.hero-egg-bg {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 30% 20%, rgba(255,255,255,0.18), transparent 60%);
    opacity: 0.8;
}

.hero-egg-overlay {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.hero-egg-id {
    font-size: 1.05rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    color: #ffffff;
    text-shadow: 0 0 8px rgba(0, 0, 0, 1);
    white-space: nowrap;
    margin-bottom: 4px;
}

.hero-egg-frame {
    position: relative;
    padding: 10px 16px;
    border-radius: 18px;
    border: 3px solid var(--accent-blue);
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 18px rgba(74, 158, 255, 0.45);
}

.hero-egg-circle {
    width: 160px;
    height: 200px;
    border-radius: 50% 50% 48% 48%;
    background: radial-gradient(circle at 30% 25%, #ffffff, #f5f5f5 40%, #e0e0e0 80%);
    box-shadow: 0 20px 40px rgba(0,0,0,0.45);
    position: relative;
}

.hero-egg-counter {
    position: absolute;
    bottom: 18%;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
}

.hero-egg-label {
    display: block;
    font-size: 0.9rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.7);
}

.hero-egg-value {
    display: block;
    font-size: 1.3rem;
    font-weight: 600;
}

.hero-egg-footer {
    position: absolute;
    left: 16px;
    right: 16px;
    bottom: 16px;
    display: flex;
    justify-content: space-between;
    gap: 0.5rem;
}

.hero-egg-chip {
    padding: 6px 12px;
    border-radius: 999px;
    background: rgba(0,0,0,0.4);
    border: 1px solid rgba(255,255,255,0.12);
    font-size: 0.8rem;
    color: rgba(255,255,255,0.85);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: left;
}

/* Ana başlığı sadeleştirip küçült */
.hero-title {
    font-size: 2.4rem;
    font-weight: 300; /* light */
    margin-bottom: 0.5rem;
    line-height: 1.2;
    color: var(--text-white);
}

.highlight {
    font-size: 2.4rem;
    font-weight: 300; /* light */
    margin-bottom: 0.5rem;
    line-height: 1.2;
    color: var(--text-white);
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--text-gray);
    margin-bottom: 3rem;
}

.hero-stats {
    display: flex;
    justify-content: flex-start;
    gap: 3rem;
    margin-bottom: 3rem;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-blue); /* istatistik rengini mavi yap */
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-gray);
    font-size: 1rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: flex-start;
}

.btn {
    padding: 15px 40px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s;
    border: 2px solid transparent;
    cursor: pointer;
}

.btn-primary {
    background-color: var(--accent-blue);
    color: var(--text-white);
}

.btn-primary:hover {
    background-color: #3d8ae6;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(74, 158, 255, 0.3);
}

.btn-secondary {
    background-color: transparent;
    border-color: var(--text-white);
    color: var(--text-white);
}

.btn-secondary:hover {
    background-color: var(--accent-blue);
    color: var(--text-white);
}

/* Features Section */
.features {
    padding: 100px 0;
}

.section-title {
     font-size: 2.4rem;
    font-weight: 300; /* light */
    margin-bottom: 0.5rem;
    line-height: 1.2;
    color: var(--text-white);
    text-align: center;
}

.section-subtitle {
    text-align: center;
    color: var(--text-gray);
    font-size: 1.2rem;
    margin-bottom: 4rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.feature-card {
    background-color: var(--panel-bg);
    padding: 2.5rem;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s;
    border: 2px solid var(--border-color);
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-blue);
    box-shadow: 0 10px 30px rgba(74, 158, 255, 0.2);
}

.feature-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 1rem;
    color: var(--accent-blue);
}

.feature-icon svg {
    width: 100%;
    height: 100%;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-white);
    font-weight:400;
}

.feature-card p {
    color: var(--text-gray);
    line-height: 1.8;
}

/* Screenshots Section */
.screenshots {
    padding: 100px 0;
}

.screenshots-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.screenshot-item {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    cursor: pointer;
    border: 2px solid var(--border-color);
}

.screenshot-img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    transition: transform 0.3s;
}

.screenshot-item:hover .screenshot-img {
    transform: scale(1.1);
}

.screenshot-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9), transparent);
    padding: 1.5rem;
    transform: translateY(100%);
    transition: transform 0.3s;
}

.screenshot-item:hover .screenshot-overlay {
    transform: translateY(0);
}

.screenshot-overlay h3 {
    color: var(--text-white);
    margin-bottom: 0.5rem;
    font-weight: 400;
}

.screenshot-overlay p {
    color: var(--text-gray);
    font-size: 0.9rem;
}

/* Contact Section */
.contact {
    padding: 100px 0;
    background-color: var(--dark-bg);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-top: 3rem;
}

.contact-form {
    background-color: var(--panel-bg);
    padding: 3rem;
    border-radius: 12px;
    border: 2px solid var(--border-color);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-gray);
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    background-color: var(--dark-bg);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-white);
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-blue);
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.info-item {
    display: flex;
    gap: 1.5rem;
    background-color: var(--panel-bg);
    padding: 2rem;
    border-radius: 12px;
    border: 2px solid var(--border-color);
    transition: all 0.3s;
}

.info-item:hover {
    border-color: var(--accent-blue);
}

.info-icon {
    width: 40px;
    height: 40px;
    color: var(--accent-blue);
}

.info-icon svg {
    width: 100%;
    height: 100%;
}

.info-content h3 {
    color: var(--text-white);
    margin-bottom: 0.5rem;
    font-weight: 400;
}

.info-content p {
    color: var(--text-gray);
}

.info-content a {
    color: var(--text-gray);
    text-decoration: none;
}

.info-content a:hover {
    color: var(--accent-blue);
}

/* Footer */
.footer {
    background-color: var(--panel-bg);
    padding: 3rem 0 1rem;
    border-top: 2px solid var(--border-color);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    color: var(--accent-blue);
    margin-bottom: 1rem;
    font-weight: 400;
}

.footer-section p,
.footer-section li {
    color: var(--text-gray);
    line-height: 1.8;
}

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

.footer-section a {
    color: var(--text-gray);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: var(--accent-blue);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-gray);
}

/* Lightbox for screenshots */
.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.95);
    z-index: 10000;
    opacity: 0;
    transition: opacity 0.3s ease;
    align-items: center;
    justify-content: center;
}

.lightbox.active {
    display: flex;
    opacity: 1;
}

.lightbox-content {
    position: relative;
    max-width: 90%;
    max-height: 90%;
    display: flex;
    flex-direction: column;
    align-items: center;
    animation: lightboxZoom 0.3s ease;
}

@keyframes lightboxZoom {
    from {
        transform: scale(0.8);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.lightbox-img {
    max-width: 100%;
    max-height: 80vh;
    object-fit: contain;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.8);
}

.lightbox-close {
    position: absolute;
    top: -50px;
    right: 0;
    font-size: 48px;
    color: var(--text-white);
    cursor: pointer;
    transition: color 0.3s, transform 0.3s;
    font-weight: 300;
    line-height: 1;
}

.lightbox-close:hover {
    color: var(--accent-blue);
    transform: rotate(90deg);
}

.lightbox-caption {
    margin-top: 20px;
    text-align: center;
    max-width: 600px;
}

.lightbox-caption h3 {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--text-white);
    margin-bottom: 8px;
}

.lightbox-caption p {
    font-size: 1.1rem;
    color: var(--text-gray);
}

.screenshot-item {
    cursor: pointer;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero {
        margin-top: 60px;
        padding: 60px 0;
    }
    
    .hero-layout {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .hero-visual {
        justify-content: center;
        order: 1;
    }
    
    .hero-content {
        order: 2;
        text-align: center;
    }
    
    .hero-egg-card {
        max-width: 320px;
        width: 90%;
    }
    
    .hero-egg-circle {
        width: 120px;
        height: 150px;
    }
    
    .hero-egg-frame {
        padding: 8px 12px;
    }
    
    .hero-egg-id {
        font-size: 0.9rem;
    }
    
    .hero-title {
        font-size: 2rem;
        margin-bottom: 1rem;
    }
    
    .highlight {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
        margin-bottom: 2rem;
    }
    
    .hero-stats {
        flex-direction: row;
        gap: 1.5rem;
        justify-content: center;
        margin-bottom: 2rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .stat-label {
        font-size: 0.85rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 1rem;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 280px;
        text-align: center;
    }
    
    .nav-menu {
        flex-direction: column;
        gap: 1rem;
    }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
}

/* Tablet responsive for hero */
@media (max-width: 1024px) and (min-width: 769px) {
    .hero-layout {
        gap: 2rem;
    }
    
    .hero-egg-card {
        max-width: 360px;
    }
    
    .hero-title {
        font-size: 2.2rem;
    }
    
    .highlight {
        font-size: 2.2rem;
    }
    
    .hero-subtitle {
        font-size: 1.3rem;
    }
    
    .hero-stats {
        gap: 2rem;
    }
}