:root {
    --primary: #00ff88;
    --secondary: #a4ff00;
    --accent: #ffea00;
    --dark-bg: #0f1419;
    --darker-bg: #0a0e14;
    --light-text: #e2e8f0;
    --muted-text: #94a3b8;
    --gradient-primary: linear-gradient(135deg, #00ff88, #a4ff00);
    --gradient-secondary: linear-gradient(135deg, #a4ff00, #ffea00);
    --gradient-dark: linear-gradient(135deg, #0f1419 0%, #1a1f2e 50%, #0f1419 100%);
    
    /* Eksik değişkenler eklendi */
    --bg-primary: #0f1419;
    --bg-card: rgba(26, 31, 46, 0.6);
    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --neon-green: #00ff88;
}

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

body {
    font-family: 'Poppins', sans-serif;
    background: var(--dark-bg);
    color: var(--light-text);
    overflow-x: hidden;
    line-height: 1.6;
}

.animated-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    background: var(--gradient-dark);
    transition: background 0.3s ease;
}

.gradient-orbs {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.25;
    transition: transform 0.3s ease-out;
    will-change: transform;
}

.orb-1 {
    width: 500px;
    height: 500px;
    background: linear-gradient(45deg, #00ff88, #00ffaa);
    top: -10%;
    left: -10%;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: linear-gradient(45deg, #a4ff00, #c4ff40);
    top: 30%;
    right: -10%;
}

.orb-3 {
    width: 450px;
    height: 450px;
    background: linear-gradient(45deg, #ffea00, #fff44f);
    bottom: -10%;
    left: 30%;
}

header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 20px 5%;
    z-index: 1000;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    background: transparent;
}

header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 20, 25, 0);
    backdrop-filter: blur(0px);
    border-bottom: 1px solid rgba(0, 240, 255, 0);
    transition: all 0.4s ease;
    z-index: -1;
}

header.scrolled::before {
    background: rgba(15, 20, 25, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 255, 136, 0.3);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5), 0 0 50px rgba(0, 255, 136, 0.1);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1600px;
    margin: 0 auto;
}

.logo {
    font-size: 28px;
    font-weight: 900;
    text-decoration: none;
    position: relative;
    letter-spacing: -1px;
    color: var(--light-text);
    text-shadow: 0 0 30px rgba(0, 255, 136, 0.8), 0 0 60px rgba(0, 255, 136, 0.4);
    transition: all 0.3s ease;
}

.logo:hover {
    transform: translateY(-2px);
    text-shadow: 0 0 40px rgba(0, 255, 136, 1), 0 0 80px rgba(0, 255, 136, 0.6);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 10px;
    align-items: center;
}

.nav-links a {
    color: var(--muted-text);
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    padding: 10px 20px;
    border-radius: 12px;
    position: relative;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-links a:hover {
    color: var(--primary);
    background: rgba(0, 255, 136, 0.1);
    transform: translateY(-2px);
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.3);
}

.nav-links a.active {
    color: var(--primary);
    background: linear-gradient(135deg, rgba(0, 255, 136, 0.15), rgba(164, 255, 0, 0.15));
    box-shadow: 0 0 30px rgba(0, 255, 136, 0.4);
    border: 1px solid rgba(0, 255, 136, 0.5);
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    padding: 10px;
    border-radius: 8px;
    background: rgba(59, 130, 246, 0.08);
    border: 1px solid rgba(59, 130, 246, 0.2);
    transition: all 0.3s ease;
}

.mobile-toggle:hover {
    background: rgba(59, 130, 246, 0.15);
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.2);
}

.mobile-toggle span {
    width: 25px;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: 2px;
    transition: all 0.3s ease;
}

.mobile-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.mobile-toggle.active span:nth-child(2) {
    opacity: 0;
    transform: translateX(20px);
}

.mobile-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(8px, -8px);
}

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 140px 5% 80px;
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-width: 1000px;
    text-align: center;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.15), rgba(139, 92, 246, 0.15));
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: 50px;
    color: var(--primary);
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 35px;
    box-shadow: 0 0 30px rgba(59, 130, 246, 0.2);
    animation: badgePulse 3s ease infinite;
}

@keyframes badgePulse {
    0%, 100% {
        box-shadow: 0 0 30px rgba(59, 130, 246, 0.2);
    }
    50% {
        box-shadow: 0 0 50px rgba(59, 130, 246, 0.3);
    }
}

.hero h1 {
    font-size: clamp(2.5rem, 8vw, 6rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 25px;
    letter-spacing: -2px;
    color: var(--light-text);
}

.hero p {
    font-size: clamp(1rem, 2vw, 1.3rem);
    color: var(--muted-text);
    max-width: 700px;
    margin: 0 auto 45px;
    line-height: 1.8;
}

.cta-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-primary,
.btn-secondary {
    padding: 14px 32px;
    font-size: 15px;
    font-weight: 700;
    text-decoration: none;
    border-radius: 12px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-primary {
    background: var(--gradient-primary);
    color: #0a0e14;
    box-shadow: 0 10px 35px rgba(0, 255, 136, 0.6), 0 0 45px rgba(0, 255, 136, 0.4);
    border: 2px solid transparent;
    font-weight: 800;
    position: relative;
    z-index: 1;
}

.btn-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 12px;
    padding: 2px;
    background: var(--gradient-primary);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 15px 50px rgba(0, 255, 136, 0.8), 0 0 70px rgba(0, 255, 136, 0.6);
}

.btn-primary:hover::before {
    opacity: 1;
}

.btn-secondary {
    background: rgba(0, 255, 136, 0.1);
    color: var(--primary);
    border: 2px solid rgba(0, 255, 136, 0.5);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(0, 255, 136, 0.2);
    border-color: var(--primary);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 255, 136, 0.4), 0 0 30px rgba(0, 255, 136, 0.3);
}

.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 30px;
    margin: 70px auto 0;
    max-width: 800px;
}

.stat-item {
    text-align: center;
    padding: 25px 15px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.08), rgba(139, 92, 246, 0.08));
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 18px;
    transition: all 0.4s ease;
}

.stat-item:hover {
    transform: translateY(-8px);
    border-color: rgba(59, 130, 246, 0.4);
    box-shadow: 0 15px 40px rgba(59, 130, 246, 0.15);
}

.stat-number {
    font-size: 3rem;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
    margin-bottom: 8px;
}

.stat-label {
    color: var(--muted-text);
    font-size: 0.9rem;
    font-weight: 600;
}

.section {
    padding: 100px 5%;
    max-width: 1600px;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    margin-bottom: 70px;
}

.section-title h2 {
    font-size: clamp(2rem, 5vw, 4rem);
    font-weight: 900;
    margin-bottom: 15px;
    letter-spacing: -1px;
}

.section-title p {
    font-size: 1.2rem;
    color: var(--muted-text);
    max-width: 650px;
    margin: 0 auto;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
}

.product-card {
    background: rgba(20, 25, 30, 0.8);
    border: 1px solid rgba(0, 255, 136, 0.2);
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.product-card:hover {
    transform: translateY(-10px);
    border-color: rgba(0, 255, 136, 0.6);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5), 0 0 40px rgba(0, 255, 136, 0.3);
}

.product-image {
    height: 200px;
    background: linear-gradient(135deg, #141a1f 0%, #1f2633 100%);
    position: relative;
    overflow: hidden;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.product-card:hover .product-image img {
    transform: scale(1.08);
}

.product-info {
    padding: 24px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.product-category {
    display: inline-block;
    width: fit-content;
    padding: 5px 12px;
    background: rgba(59, 130, 246, 0.15);
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: 18px;
    color: var(--primary);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin-bottom: 14px;
}

.product-title {
    font-size: 1.3rem;
    font-weight: 800;
    margin-bottom: 12px;
    color: var(--light-text);
    line-height: 1.3;
}

.product-description {
    color: var(--muted-text);
    margin-bottom: 18px;
    line-height: 1.7;
    font-size: 0.9rem;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

.product-features {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
    margin-bottom: 18px;
}

.feature-tag {
    padding: 5px 11px;
    background: rgba(139, 92, 246, 0.12);
    border: 1px solid rgba(139, 92, 246, 0.3);
    border-radius: 14px;
    font-size: 0.72rem;
    color: var(--secondary);
    font-weight: 600;
}

.product-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 20px;
    border-top: 1px solid rgba(59, 130, 246, 0.15);
    gap: 15px;
}

.product-price {
    font-size: 2rem;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    flex-shrink: 0;
}

.btn-buy {
    padding: 10px 22px;
    background: var(--gradient-primary);
    color: #ffffff;
    text-decoration: none;
    border-radius: 10px;
    font-weight: 700;
    font-size: 0.85rem;
    transition: all 0.3s ease;
    box-shadow: 0 5px 20px rgba(59, 130, 246, 0.25);
}

.btn-buy:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 30px rgba(59, 130, 246, 0.4);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-item {
    padding: 35px 28px;
    background: rgba(20, 25, 30, 0.8);
    border: 1px solid rgba(0, 255, 136, 0.2);
    border-radius: 20px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.feature-item:hover {
    transform: translateY(-8px);
    border-color: rgba(0, 255, 136, 0.5);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5), 0 0 30px rgba(0, 255, 136, 0.3);
}

.feature-icon {
    width: 75px;
    height: 75px;
    margin-bottom: 22px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.15), rgba(139, 92, 246, 0.15));
    border: 2px solid rgba(59, 130, 246, 0.3);
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-icon svg {
    width: 38px;
    height: 38px;
    stroke: var(--primary);
    stroke-width: 2;
}

.feature-item h3 {
    font-size: 1.4rem;
    margin-bottom: 13px;
    color: var(--light-text);
    font-weight: 800;
}

.feature-item p {
    color: var(--muted-text);
    line-height: 1.7;
    font-size: 0.95rem;
}

.cta-section {
    padding: 90px 5%;
}

.cta-box {
    max-width: 950px;
    margin: 0 auto;
    padding: 70px 50px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(139, 92, 246, 0.1));
    border: 2px solid rgba(59, 130, 246, 0.3);
    border-radius: 28px;
    text-align: center;
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.1);
}

.cta-box h2 {
    font-size: clamp(1.8rem, 4vw, 3rem);
    font-weight: 900;
    margin-bottom: 18px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.cta-box p {
    font-size: 1.2rem;
    color: var(--muted-text);
    margin-bottom: 35px;
    line-height: 1.7;
}

footer {
    background: rgba(10, 14, 20, 0.95);
    border-top: 1px solid rgba(0, 255, 136, 0.3);
    padding: 70px 5% 0;
    margin-top: 100px;
    backdrop-filter: blur(20px);
    box-shadow: 0 -10px 40px rgba(0, 0, 0, 0.5);
}

.footer-content {
    max-width: 1600px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 60px;
    padding-bottom: 50px;
}

.footer-about h3 {
    font-size: 1.8rem;
    font-weight: 900;
    margin-bottom: 15px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-about p {
    color: var(--muted-text);
    line-height: 1.8;
    margin-bottom: 20px;
    max-width: 400px;
}

.footer-social {
    display: flex;
    gap: 15px;
}

.footer-social a {
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 255, 136, 0.1);
    border: 1px solid rgba(0, 255, 136, 0.3);
    border-radius: 12px;
    color: var(--primary);
    transition: all 0.3s ease;
}

.footer-social a:hover {
    background: rgba(0, 255, 136, 0.2);
    border-color: var(--primary);
    transform: translateY(-3px);
    box-shadow: 0 5px 20px rgba(0, 255, 136, 0.3);
}

.footer-links h4,
.footer-contact h4 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--light-text);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    color: var(--muted-text);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    font-size: 0.95rem;
}

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

.footer-contact p {
    color: var(--muted-text);
    margin-bottom: 12px;
    font-size: 0.95rem;
    line-height: 1.6;
}

.footer-bottom {
    text-align: center;
    padding: 30px 0;
    border-top: 1px solid rgba(59, 130, 246, 0.15);
}

.footer-bottom p {
    color: #64748b;
    font-size: 0.9rem;
}

::-webkit-scrollbar {
    width: 12px;
}

::-webkit-scrollbar-track {
    background: var(--dark-bg);
    border-left: 1px solid rgba(59, 130, 246, 0.1);
}

::-webkit-scrollbar-thumb {
    background: var(--gradient-primary);
    border-radius: 10px;
    border: 3px solid var(--dark-bg);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gradient-secondary);
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.4);
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 75px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 75px);
        background: rgba(15, 20, 25, 0.98);
        backdrop-filter: blur(30px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 25px;
        transition: left 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        border-top: 1px solid rgba(0, 255, 136, 0.3);
    }

    .nav-links.active {
        left: 0;
    }

    .mobile-toggle {
        display: flex;
    }

    .nav-links a {
        font-size: 1.3rem;
        padding: 13px 35px;
    }

    .hero {
        padding: 110px 5% 60px;
        min-height: 85vh;
    }

    .stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 22px;
    }

    .stat-number {
        font-size: 2.3rem;
    }

    .products-grid,
    .features-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }

    .section {
        padding: 75px 5%;
    }

    .cta-box {
        padding: 50px 30px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }

    .footer-about p {
        margin: 0 auto 20px;
    }

    .footer-social {
        justify-content: center;
    }

    .footer-links {
        align-items: center;
    }

    .footer-links a:hover {
        padding-left: 0;
    }
}

@media (max-width: 480px) {
    .hero-badge {
        font-size: 11px;
        padding: 8px 18px;
        letter-spacing: 1px;
    }

    .cta-buttons {
        flex-direction: column;
        gap: 12px;
    }

    .btn-primary,
    .btn-secondary {
        width: 100%;
        justify-content: center;
        padding: 13px 28px;
    }

    .product-card {
        border-radius: 18px;
    }

    .product-info {
        padding: 20px;
    }

    .feature-item {
        padding: 28px 20px;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 3px;
    border-radius: 6px;
}

::selection {
    background: rgba(59, 130, 246, 0.3);
    color: var(--light-text);
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}