/* --- Genel Stiller ve Değişkenler --- */
:root {
    --primary-color: #d4af37; /* Altın sarısı tonu */
    --secondary-color: #1a1a1a;
    --dark-grey: #2c2c2c;
    --light-grey: #f4f4f4;
    --white-color: #ffffff;
    --font-main: 'Poppins', sans-serif;
    --font-headings: 'Montserrat', sans-serif;
    --transition-speed: 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    background-color: var(--secondary-color);
    color: var(--light-grey);
    line-height: 1.6;
}

a {
    text-decoration: none;
    color: var(--primary-color);
    transition: color var(--transition-speed);
}

a:hover {
    color: var(--white-color);
}

h1, h2, h3 {
    font-family: var(--font-headings);
    font-weight: 700;
    color: var(--white-color);
}

.section-padding {
    padding: 80px 20px;
}

.section-padding-bg {
    padding: 80px 20px;
    background-color: var(--dark-grey);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 2px;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background-color: var(--primary-color);
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 600;
    transition: all var(--transition-speed);
    text-transform: uppercase;
    letter-spacing: 1px;
}

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

.btn-primary:hover {
    background-color: transparent;
    color: var(--primary-color);
}

/* --- Header ve Navbar --- */
.header {
    background-color: rgba(26, 26, 26, 0.9);
    padding: 15px 5%;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: background-color var(--transition-speed);
}

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

.nav-logo {
    font-family: var(--font-headings);
    font-size: 1.8rem;
    font-weight: 900;
    color: var(--white-color);
}

.nav-logo strong {
    color: var(--primary-color);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-link {
    font-weight: 600;
    font-size: 1rem;
    text-transform: uppercase;
}

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

.bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px auto;
    background-color: var(--white-color);
    transition: all 0.3s ease-in-out;
}

/* --- Hero Section --- */
.hero {
    height: 100vh;
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('https://images.unsplash.com/photo-1516223725371-ac79de52492b?ixlib=rb-4.0.3&ixid=MnwxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8&auto=format&fit=crop&w=1170&q=80') no-repeat center center/cover;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 0 20px;
}

.hero-text {
    max-width: 800px;
}

.hero-title {
    font-size: 4rem;
    font-weight: 900;
    margin-bottom: 20px;
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 300;
    margin-bottom: 40px;
}

/* --- Services Section --- */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.service-card {
    background-color: var(--dark-grey);
    padding: 40px;
    border-radius: 10px;
    text-align: center;
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
    border-bottom: 4px solid var(--primary-color);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.3);
}

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

/* --- About Section --- */
.about-container {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.about-content p {
    font-size: 1.1rem;
}

/* --- Blog Section --- */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.blog-post {
    background-color: var(--dark-grey);
    border-radius: 10px;
    overflow: hidden;
    transition: transform var(--transition-speed);
}

.blog-post:hover {
    transform: scale(1.03);
}

.blog-post img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.blog-content {
    padding: 30px;
}

.blog-content h3 {
    font-size: 1.4rem;
    margin-bottom: 10px;
}

.read-more {
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* --- Contact Section --- */
.contact-subtitle {
    text-align: center;
    margin-bottom: 40px;
    font-size: 1.2rem;
}

.contact-form {
    max-width: 700px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid #444;
    background-color: #2c2c2c;
    color: var(--white-color);
    border-radius: 5px;
    font-family: var(--font-main);
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

/* --- Footer --- */
.footer {
    background-color: #111;
    text-align: center;
    padding: 30px 20px;
}

.footer-group {
    margin-top: 10px;
    font-weight: 700;
    color: #aaa;
}

/* --- Mobil Uyumluluk --- */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 80px; /* header height */
        flex-direction: column;
        background-color: var(--dark-grey);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        gap: 0;
    }

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

    .nav-item {
        padding: 20px 0;
        border-bottom: 1px solid #444;
    }

    .hamburger {
        display: block;
    }

    .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;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .section-title {
        font-size: 2rem;
    }
}