/* Bayteknik Corporate CSS */
:root {
    --primary-color: #0F2C59; /* Dark Corporate Navy Blue */
    --accent-color: #ff7a00;  /* Master / Technical Orange */
    --accent-hover: #D98200;
    --dark-bg: #111827;
    --light-bg: #F4F6F9;
    --text-color: #333333;
    --text-muted: #666666;
    --white: #FFFFFF;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

body {
    background-color: var(--light-bg);
    color: var(--text-color);
    line-height: 1.6;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

/* Navbar */
.navbar {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 1.2rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.15);
}

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

/* Logo ve Marka Info */
.logo {
    display: flex;
    align-items: center;
    gap: 12px; /* Logo ile yazı arasındaki boşluk */
    text-decoration: none;
}

.logo img, .site-logo {
    height: 50px; /* Logonun boyutu */
    width: auto;
    object-fit: contain;
}

.brand-text-group {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.brand-title {
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: 0.5px;
    line-height: 1.1;
}

.white-text {
    color: var(--white);
}

.orange-text {
    color: var(--accent-color);
}

.brand-slogan {
    font-size: 0.65rem;
    font-weight: 500;
    color: #cbd5e1;
    letter-spacing: 0.5px;
    margin-top: 2px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 1.5rem;
}

.nav-links a {
    color: #E2E8F0;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

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

.menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--white);
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(15, 44, 89, 0.85), rgba(15, 44, 89, 0.85)), 
                url('https://images.unsplash.com/photo-1581092160607-ee22621dd758?auto=format&fit=crop&w=1350&q=80') center/cover no-repeat;
    height: 70vh;
    display: flex;
    align-items: center;
    text-align: center;
    color: var(--white);
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.hero-content p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    color: #E2E8F0;
}

/* Page Header for subpages */
.page-header {
    background: var(--primary-color);
    color: var(--white);
    padding: 3rem 0;
    text-align: center;
}

.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.page-header p {
    color: var(--accent-color);
    font-weight: 500;
}

/* Butons */
.btn {
    display: inline-block;
    padding: 0.8rem 1.8rem;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 600;
    transition: all 0.3s ease;
    margin: 0.3rem;
}

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

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

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

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

.btn-whatsapp {
    background-color: #25D366;
    color: var(--white);
}

.btn-whatsapp:hover {
    background-color: #1EBE5D;
}

/* Section Common */
.section-padding {
    padding: 4rem 0;
}

.section-title {
    text-align: center;
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 2.5rem;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--accent-color);
    margin: 8px auto 0;
    border-radius: 2px;
}

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

.card {
    background: var(--white);
    padding: 2rem;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
    transition: transform 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
}

.card i {
    font-size: 2.5rem;
    color: var(--accent-color);
    margin-bottom: 1rem;
}

.card h3 {
    margin-bottom: 0.8rem;
    color: var(--primary-color);
}

/* About Page Styles */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.about-text h2 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.about-text p {
    margin-bottom: 1rem;
    color: var(--text-muted);
}

.about-img img {
    width: 100%;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

/* Contact Form */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.contact-info-box {
    background: var(--white);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.contact-info-item i {
    font-size: 1.5rem;
    color: var(--accent-color);
    margin-top: 5px;
}

/* WhatsApp Button */
.whatsapp-float {
    position: fixed;
    width: 60px;
    height: 60px;
    bottom: 25px;
    right: 25px;
    background-color: #25D366;
    color: #FFF;
    border-radius: 50px;
    text-align: center;
    font-size: 30px;
    box-shadow: 2px 2px 8px rgba(0, 0, 0, 0.3);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: transform 0.3s;
}

.whatsapp-float:hover {
    transform: scale(1.1);
}

/* Footer */
footer {
    background: var(--dark-bg);
    color: #9CA3AF;
    padding: 2.5rem 0 1.5rem;
    margin-top: 4rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

/* Mobil View */
@media (max-width: 768px) {
    .menu-toggle { display: block; }
    .nav-links {
        display: none;
        flex-direction: column;
        width: 100%;
        position: absolute;
        top: 100%;
        left: 0;
        background-color: var(--primary-color);
        padding: 1.5rem;
        box-shadow: 0 5px 10px rgba(0,0,0,0.2);
    }
    .nav-links.active { display: flex; }
    .hero-content h1 { font-size: 2rem; }
    .about-grid, .contact-grid { grid-template-columns: 1fr; }
}