:root {
    --bg-color-main: #0B0F19; /* Çok koyu lacivert/siyah */
    --bg-color-alt: #131A2B;
    --text-primary: #f0f4f8;
    --text-secondary: #94a3b8;
    --accent-color: #EAB308; /* Premium altın/sarı */
    --accent-hover: #FACC15;
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-color-main);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, .logo {
    font-family: var(--font-heading);
}

a {
    text-decoration: none;
    color: inherit;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 5%;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1.5rem 0;
    transition: var(--transition);
    z-index: 1000;
}

.navbar.scrolled {
    background: rgba(11, 15, 25, 0.9);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    border-bottom: 1px solid var(--glass-border);
}

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

.logo {
    font-size: 1.8rem;
    font-weight: 900;
    color: var(--text-primary);
    letter-spacing: 1px;
}

.logo span {
    color: var(--accent-color);
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 2rem;
}

.nav-links li a {
    font-weight: 600;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: var(--transition);
    position: relative;
}

.nav-links li a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-color);
    transition: var(--transition);
}

.nav-links li a:hover {
    color: var(--accent-color);
}

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

.hamburger {
    display: none;
    cursor: pointer;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
    font-family: var(--font-heading);
    cursor: pointer;
}

.btn-primary {
    background: var(--accent-color);
    color: #000;
    box-shadow: 0 4px 15px rgba(234, 179, 8, 0.3);
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(234, 179, 8, 0.5);
}

/* Sections */
.section {
    padding: 7rem 0 5rem 0;
}

.bg-dark {
    background-color: var(--bg-color-alt);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
}

.divider {
    height: 4px;
    width: 60px;
    background: var(--accent-color);
    margin: 0 auto;
    border-radius: 2px;
}

.section-desc {
    margin-top: 1.5rem;
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: radial-gradient(circle at center, #1E293B 0%, var(--bg-color-main) 100%);
    overflow: hidden;
}

/* Abstract machine/industrial background effect */
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 50px 50px;
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(135deg, rgba(11, 15, 25, 0.8) 0%, rgba(11, 15, 25, 0) 100%);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    max-width: 800px;
}

.hero-title {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    background: linear-gradient(to right, #fff, var(--text-secondary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 600px;
}

/* Glass Card Global Structure */
.glass-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
    border-radius: 1rem;
    padding: 2.5rem;
    transition: var(--transition);
}

.glass-card:hover {
    transform: translateY(-10px);
    border-color: rgba(234, 179, 8, 0.3);
    background: rgba(255, 255, 255, 0.05);
}

/* Hakkımızda */
.about-content {
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: 4rem;
    align-items: center;
}

.about-text h3 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--accent-color);
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.about-stats {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 3.5rem;
    font-weight: 900;
    font-family: var(--font-heading);
    color: var(--accent-color);
    line-height: 1;
}

.stat-text {
    font-size: 1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-secondary);
}

/* Carousel Styles */
.carousel-container {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    overflow: hidden;
    padding: 1rem 0;
}

.carousel-track {
    display: flex;
    transition: transform 0.5s ease-in-out;
}

.carousel-slide {
    min-width: 100%;
    padding: 0 1rem;
    text-align: center;
}

.slide-img {
    width: 100%;
    height: 450px;
    object-fit: contain;
    background-color: #fff;
    border-radius: 0.5rem;
    margin-bottom: 0;
}

.carousel-btn {
    position: absolute;
    top: 45%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: var(--accent-color);
    font-size: 2rem;
    width: 50px;
    height: 50px;
    cursor: pointer;
    border-radius: 50%;
    z-index: 10;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.carousel-btn:hover {
    background: var(--accent-color);
    color: #000;
}

.prev-btn {
    left: 10px;
}

.next-btn {
    right: 10px;
}

.carousel-dots {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 2rem;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    cursor: pointer;
    transition: var(--transition);
}

.dot.active {
    background: var(--accent-color);
    transform: scale(1.2);
}

/* Kalite Politikalarımız */
.quality-content {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.quality-item {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    background: var(--bg-color-alt);
    padding: 2rem;
    border-radius: 1rem;
    border-left: 4px solid var(--accent-color);
    transition: var(--transition);
}

.quality-item:hover {
    transform: translateX(10px);
    background: rgba(255, 255, 255, 0.05);
}

.q-icon {
    background: var(--accent-color);
    color: #000;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-weight: bold;
    flex-shrink: 0;
}

.q-text h4 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

.q-text p {
    color: var(--text-secondary);
}

/* Sosyal Sorumluluk & Etik */
.ethics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.ethics-card {
    background: var(--bg-color-main);
    padding: 2.5rem;
    border-top: 3px solid var(--accent-color);
    border-radius: 0.5rem;
    transition: var(--transition);
}

.ethics-card:hover {
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    transform: translateY(-5px);
}

.ethics-card h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
}

.ethics-card p {
    color: var(--text-secondary);
}

/* Footer */
.footer {
    background-color: #05080f;
    padding: 4rem 0 2rem;
    border-top: 1px solid var(--glass-border);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 2rem;
    margin-bottom: 3rem;
}

.footer-brand p {
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

.footer-contact h4 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: var(--accent-color);
}

.footer-contact p {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.footer-contact a {
    color: var(--accent-color);
    transition: var(--transition);
}

.footer-contact a:hover {
    color: var(--text-primary);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.05);
    color: var(--text-secondary);
    font-size: 0.9rem;
}
/* Policy & Intro Layouts */
.policy-content {
    max-width: 1000px;
    margin: 0 auto;
    padding: 2rem 0;
}

.policy-section {
    margin-bottom: 4rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 3rem;
    border-radius: 1.5rem;
    backdrop-filter: blur(10px);
}

.policy-section h2 {
    color: var(--accent-color);
    margin-bottom: 2rem;
    font-size: 2rem;
    border-bottom: 2px solid var(--accent-color);
    padding-bottom: 0.5rem;
    display: inline-block;
}

.policy-section h3 {
    margin-top: 2.5rem;
    margin-bottom: 1.2rem;
    color: #fff;
    font-size: 1.5rem;
    border-left: 4px solid var(--accent-color);
    padding-left: 1rem;
}

.policy-section h4 {
    margin-top: 1.5rem;
    margin-bottom: 0.8rem;
    color: var(--accent-color);
    font-size: 1.2rem;
}

.policy-section p {
    color: var(--text-secondary);
    margin-bottom: 1.2rem;
    line-height: 1.8;
    font-size: 1.05rem;
}

.policy-section ul {
    list-style: none;
    padding-left: 0;
    margin-bottom: 1.5rem;
}

.policy-section ul li {
    margin-bottom: 1rem;
    position: relative;
    padding-left: 2rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.policy-section ul li::before {
    content: '→';
    color: var(--accent-color);
    position: absolute;
    left: 0;
    font-weight: bold;
}

.intro-box {
    background: var(--bg-color-alt);
    padding: 3rem;
    border-radius: 1.5rem;
    border-top: 5px solid var(--accent-color);
    margin-bottom: 4rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

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

.highlight {
    color: #fff;
    font-weight: 600;
}

.policy-content strong {
    color: #fff;
}

/* Animations */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s cubic-bezier(0.5, 0, 0, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.delay-1 { transition-delay: 0.2s; }
.delay-2 { transition-delay: 0.4s; }

/* Responsive */
@media (max-width: 900px) {
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .hero-title {
        font-size: 3rem;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        right: -100%;
        top: 0;
        height: 100vh;
        width: 70%;
        background: var(--bg-color-alt);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transition: 0.4s ease-in-out;
        box-shadow: -10px 0 30px rgba(0,0,0,0.5);
    }
    
    .nav-links.active {
        right: 0;
    }
    
    .hamburger {
        display: block;
        z-index: 1001;
    }
    
    .hamburger .bar {
        display: block;
        width: 25px;
        height: 3px;
        margin: 5px auto;
        background-color: var(--text-primary);
        transition: all 0.3s ease;
    }
    
    .hamburger.active .bar:nth-child(2) { opacity: 0; }
    .hamburger.active .bar:nth-child(1) { transform: translateY(8px) rotate(45deg); }
    .hamburger.active .bar:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }
    
    .hero-title {
        font-size: 2.5rem;
    }
}