@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Oswald:wght@400;500;600;700&display=swap');

:root {
    --bg-dark: #121212;
    --bg-asphalt: #1e1e1e;
    --bg-concrete: #2c2c2c;
    --primary-yellow: #ffb300;
    --primary-orange: #ff5722;
    --text-light: #f5f5f5;
    --text-muted: #a0a0a0;
    --glass-bg: rgba(30, 30, 30, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
    --transition-fast: 0.3s ease;
}

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

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

h1, h2, h3, h4, h5, h6 {
    font-family: 'Oswald', sans-serif;
    text-transform: uppercase;
    font-weight: 600;
}

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

/* Typography Utilities */
.text-yellow { color: var(--primary-yellow); }
.text-orange { color: var(--primary-orange); }

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 28px;
    font-family: 'Oswald', sans-serif;
    font-size: 1.1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 4px;
    transition: var(--transition-fast);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: linear-gradient(45deg, var(--primary-orange), var(--primary-yellow));
    color: #000;
    box-shadow: 0 4px 15px rgba(255, 87, 34, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 87, 34, 0.5);
}

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

.btn-outline:hover {
    background: var(--primary-yellow);
    color: #000;
}

/* Glassmorphism */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
}

/* Header Corporate Design */
header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition-fast);
    background: transparent;
}

header.scrolled {
    background: rgba(18, 18, 18, 0.98);
    backdrop-filter: blur(15px);
    box-shadow: 0 4px 25px rgba(0,0,0,0.7);
    padding: 12px 0;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: 'Oswald', sans-serif;
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text-light);
    letter-spacing: 1px;
}

.logo-icon {
    width: 35px;
    height: 35px;
    fill: var(--primary-yellow);
    transition: var(--transition-fast);
}

.logo:hover .logo-icon {
    transform: rotate(90deg);
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1;
}

.logo-text span.brand {
    color: var(--primary-yellow);
    font-size: 1.6rem;
}
.logo-text span.slogan {
    font-size: 0.7rem;
    color: var(--text-muted);
    letter-spacing: 2px;
    font-family: 'Inter', sans-serif;
    text-transform: uppercase;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 35px;
    list-style: none;
}

.nav-links a {
    font-size: 0.95rem;
    font-weight: 500;
    text-transform: uppercase;
    position: relative;
    letter-spacing: 1px;
    transition: color var(--transition-fast);
}

.nav-links a:hover {
    color: var(--primary-yellow);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-orange);
    transition: var(--transition-fast);
}

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

.nav-links .btn-primary::after {
    display: none;
}

/* Mobile Controls (Hidden on Desktop) */
.mobile-controls {
    display: none;
}

/* Elegant Hamburger Menu */
.mobile-menu-btn {
    display: none;
    width: 30px;
    height: 20px;
    position: relative;
    cursor: pointer;
    z-index: 1002;
}

.mobile-menu-btn span {
    display: block;
    position: absolute;
    height: 2px;
    width: 100%;
    background: var(--text-light);
    border-radius: 2px;
    opacity: 1;
    left: 0;
    transition: .25s ease-in-out;
}

.mobile-menu-btn span:nth-child(1) { top: 0px; }
.mobile-menu-btn span:nth-child(2) { top: 9px; }
.mobile-menu-btn span:nth-child(3) { top: 18px; }

.mobile-menu-btn.open span:nth-child(1) {
    top: 9px;
    transform: rotate(135deg);
    background: var(--primary-yellow);
}
.mobile-menu-btn.open span:nth-child(2) {
    opacity: 0;
    left: -20px;
}
.mobile-menu-btn.open span:nth-child(3) {
    top: 9px;
    transform: rotate(-135deg);
    background: var(--primary-yellow);
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 80px;
    overflow: hidden;
}

/* Minimalist geometric background instead of image to ensure load speed and premium look */
.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('../images/hero.png') center/cover no-repeat;
    opacity: 0.3;
    z-index: -2;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(18,18,18,0.8) 0%, rgba(18,18,18,1) 100%);
    z-index: -1;
}

.hero-pattern {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.05;
    background-image: 
        linear-gradient(45deg, #ffffff 25%, transparent 25%, transparent 75%, #ffffff 75%, #ffffff),
        linear-gradient(45deg, #ffffff 25%, transparent 25%, transparent 75%, #ffffff 75%, #ffffff);
    background-size: 20px 20px;
    background-position: 0 0, 10px 10px;
    z-index: -1;
}

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

.hero-content {
    max-width: 800px;
    animation: fadeInUp 1s ease forwards;
    opacity: 0;
    transform: translateY(30px);
}

.hero h1 {
    font-size: 4.5rem;
    line-height: 1.1;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 40px;
    max-width: 600px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
}

/* Services Grid */
.section {
    padding: 100px 0;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 50px;
}

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

.service-card {
    padding: 30px;
    border-radius: 8px;
    background: var(--bg-asphalt);
    border-top: 4px solid var(--primary-yellow);
    transition: var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.05), transparent);
    transition: 0.5s;
}

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

.service-card:hover::before {
    left: 100%;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--text-light);
}

.service-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Location Tags */
.locations-wrap {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    justify-content: center;
    margin-top: 40px;
}

.loc-tag {
    background: var(--bg-concrete);
    padding: 8px 16px;
    border-radius: 30px;
    font-size: 0.9rem;
    color: var(--text-muted);
    transition: var(--transition-fast);
    border: 1px solid var(--glass-border);
}

.loc-tag:hover {
    background: var(--primary-yellow);
    color: #000;
    border-color: var(--primary-yellow);
}

/* Footer */
footer {
    background: #0a0a0a;
    padding: 60px 0 20px;
    border-top: 1px solid var(--glass-border);
}

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

.footer-col h4 {
    color: var(--primary-yellow);
    margin-bottom: 20px;
    font-size: 1.2rem;
}

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

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

.footer-col ul li a {
    color: var(--text-muted);
    transition: var(--transition-fast);
}

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

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #222;
    color: #555;
    font-size: 0.9rem;
}

/* SEO Page Specifics */
.seo-header {
    padding: 150px 0 60px;
    background: linear-gradient(180deg, var(--bg-dark) 0%, var(--bg-asphalt) 100%);
    text-align: center;
    border-bottom: 1px solid var(--primary-yellow);
}

.seo-header h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
}

.seo-header p {
    font-size: 1.2rem;
    color: var(--text-muted);
    max-width: 800px;
    margin: 0 auto;
}

.seo-content {
    padding: 60px 0;
}

.seo-text {
    background: var(--bg-asphalt);
    padding: 40px;
    border-radius: 8px;
    margin-bottom: 40px;
    line-height: 1.8;
}

.seo-text h2 {
    color: var(--primary-yellow);
    margin-top: 30px;
    margin-bottom: 15px;
}

.cta-box {
    background: linear-gradient(45deg, #111, #222);
    border: 1px solid var(--primary-orange);
    border-left: 5px solid var(--primary-yellow);
    padding: 40px;
    border-radius: 8px;
    text-align: center;
}

.cta-box h3 {
    font-size: 2rem;
    margin-bottom: 15px;
}

/* Animations */
@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Mobile Responsive Refinements */
@media (max-width: 768px) {
    .nav-container {
        padding: 0 15px; /* Daha az kenar boşluğu */
    }
    
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 300px;
        max-width: 80%;
        height: 100vh;
        background: rgba(18, 18, 18, 0.98);
        backdrop-filter: blur(15px);
        border-left: 1px solid var(--glass-border);
        flex-direction: column;
        align-items: flex-start;
        justify-content: flex-start;
        padding: 100px 30px 40px;
        transition: right 0.4s cubic-bezier(0.77, 0, 0.175, 1);
        box-shadow: -10px 0 30px rgba(0,0,0,0.8);
    }
    
    .nav-links.active {
        right: 0;
    }
    
    .nav-links a {
        font-size: 1.2rem;
        display: block;
        width: 100%;
        padding: 10px 0;
        border-bottom: 1px solid rgba(255,255,255,0.05);
    }
    
    .nav-links a::after {
        display: none; /* Kapat alt çizgileri mobilde */
    }

    .nav-links .btn-primary {
        margin-top: 20px;
        text-align: center;
        border: none;
    }

    /* Show Mobile Controls */
    .mobile-controls {
        display: flex;
        align-items: center;
        gap: 10px;
        margin-left: auto; /* Ensure it pushes all the way right */
    }

    .mobile-icon {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 44px;
        height: 44px;
        border: 1px solid rgba(255, 255, 255, 0.15);
        border-radius: 6px; /* Köşeli (Hafif yuvarlatılmış) */
        background: rgba(255, 255, 255, 0.03);
        color: var(--text-light);
        transition: var(--transition-fast);
    }
    
    .mobile-icon:active, .mobile-icon:hover {
        background: rgba(255, 179, 0, 0.1);
        border-color: var(--primary-yellow);
        color: var(--primary-yellow);
        transform: scale(1.05);
    }

    .mobile-icon.whatsapp:active, .mobile-icon.whatsapp:hover {
        background: rgba(37, 211, 102, 0.1);
        border-color: #25D366;
        color: #25D366;
    }

    .mobile-menu-btn {
        display: block;
        width: 44px;
        height: 44px;
        border: 1px solid rgba(255, 255, 255, 0.15);
        border-radius: 6px;
        background: rgba(255, 255, 255, 0.03);
    }
    
    .mobile-menu-btn.open {
        border-color: var(--primary-yellow);
        background: rgba(255, 179, 0, 0.08);
    }
    
    /* Hamburger çizgilerini 44x44 kutunun ortasına hizalama */
    .mobile-menu-btn span {
        width: 22px;
        left: 10px;
    }
    .mobile-menu-btn span:nth-child(1) { top: 13px; }
    .mobile-menu-btn span:nth-child(2) { top: 21px; }
    .mobile-menu-btn span:nth-child(3) { top: 29px; }

    .mobile-menu-btn.open span:nth-child(1) { top: 21px; }
    .mobile-menu-btn.open span:nth-child(3) { top: 21px; }

    .hero h1 {
        font-size: 3rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .seo-header h1 {
        font-size: 2.5rem;
    }
}