/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* FH Premier Bold font tanımı – font dosyalarını yoluna göre güncelleyin */
@font-face {
    font-family: 'FH Premier Bold';
    src: url('FH-Premier-Bold.woff2') format('woff2'),
         url('FH-Premier-Bold.woff') format('woff');
    font-weight: 700;
    font-style: normal;
    font-display: swap;
}

:root {
    /* DMT-inspired color palette */
    --primary-dark: #1a1a1a;
    --secondary-dark: #2d2d2d;
    --accent-color: #ff6b35;
    --accent-blue: #0066cc;
    --text-light: #ffffff;
    --text-gray: #cccccc;
    --text-dark: #333333;
    --bg-light: #f5f5f5;
    --bg-section: #ffffff;
    --border-color: #e0e0e0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'FH Premier Bold', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-section);
    overflow-x: hidden;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: #ffffff;
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1.6rem 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

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

.logo a {
    display: flex;
    align-items: center;
}

.logo img {
    height: 60px;
    width: auto;
    display: block;
}

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

.has-submenu {
    position: relative;
}

.submenu {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: #ffffff;
    list-style: none;
    padding: 0.75rem 0;
    margin: 0;
    min-width: 200px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
    border-radius: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
    z-index: 1100;
}

.submenu li {
    padding: 0;
}

.submenu-link {
    display: block;
    padding: 0.5rem 1.25rem;
    font-size: 0.9rem;
}

.submenu-link::after {
    display: none;
}

.submenu-link:hover {
    background-color: var(--bg-light);
}

.has-submenu:hover .submenu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.nav-link {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 400;
    font-size: 0.95rem;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: var(--accent-color);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-color);
    transition: width 0.3s ease;
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.hamburger span {
    width: 25px;
    height: 2px;
    background-color: var(--text-dark);
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    margin-top: 100px;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--secondary-dark) 100%);
    color: var(--text-light);
    padding: 120px 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 50%, rgba(255, 107, 53, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 2rem;
    letter-spacing: -1px;
}

.hero-subtitle {
    font-size: 1.2rem;
    line-height: 1.8;
    color: var(--text-gray);
    font-weight: 300;
    text-align: justify;
}

/* Section Styles */
section {
    padding: 80px 0;
}

.section-header {
    margin-bottom: 3rem;
    text-align: center;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-dark);
    letter-spacing: -0.5px;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background-color: var(--accent-color);
}

/* About Section */
.about {
    background-color: var(--bg-section);
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
}

.about-content p {
    font-size: 1.1rem;
    line-height: 1.9;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
    text-align: justify;
}

/* Companies Section */
.companies {
    background-color: var(--bg-light);
}

.companies-intro {
    max-width: 900px;
    margin: 0 auto 4rem;
    text-align: center;
}

.companies-intro p {
    font-size: 1.1rem;
    line-height: 1.9;
    color: var(--text-dark);
    text-align: justify;
}

.company-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 4rem;
    max-width: 1000px;
    margin: 0 auto;
}

.company-card {
    background-color: var(--bg-section);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.company-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.company-image {
    width: 100%;
    height: 400px;
    overflow: hidden;
    position: relative;
}

.company-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.company-card:hover .company-image img {
    transform: scale(1.05);
}

.company-content {
    padding: 2.5rem;
}

.company-name {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--primary-dark);
    margin-bottom: 1.5rem;
    letter-spacing: -0.5px;
}

.company-content p {
    font-size: 1.1rem;
    line-height: 1.9;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
    text-align: justify;
}

/* Services Section */
.services {
    background-color: var(--bg-section);
}

.service-card {
    max-width: 900px;
    margin: 0 auto;
    background-color: var(--bg-light);
    padding: 3rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.service-title {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--primary-dark);
    margin-bottom: 1.5rem;
    letter-spacing: -0.5px;
}

.service-card p {
    font-size: 1.1rem;
    line-height: 1.9;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
    text-align: justify;
}

/* Contact Section */
.contact {
    background-color: var(--primary-dark);
    color: var(--text-light);
}

.contact .section-title {
    color: var(--text-light);
}

.contact .section-title::after {
    background-color: var(--accent-color);
}

.contact-content {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.contact-content > p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: var(--text-gray);
}

.contact-info {
    background-color: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: 12px;
    margin-top: 2rem;
}

.contact-info p {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: var(--text-light);
}

.contact-info a {
    color: var(--accent-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-info a:hover {
    color: var(--text-light);
    text-decoration: underline;
}

/* Footer */
.footer {
    background-color: var(--secondary-dark);
    color: var(--text-gray);
    padding: 2rem 0;
    text-align: center;
}

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

.footer a {
    color: var(--accent-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: #ffffff;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
        gap: 0.5rem;
    }

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

    .has-submenu {
        width: 100%;
    }

    .submenu {
        position: static;
        box-shadow: none;
        border-radius: 0;
        padding: 0.25rem 0 0.5rem;
        max-height: 0;
        overflow: hidden;
        opacity: 1;
        visibility: visible;
        transform: none;
        transition: max-height 0.25s ease;
    }

    .has-submenu.open .submenu {
        max-height: 200px;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

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

    .company-image {
        height: 300px;
    }

    .company-content {
        padding: 2rem;
    }

    .service-card {
        padding: 2rem;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 80px 0;
    }

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

    .hero-subtitle {
        font-size: 1rem;
    }

    section {
        padding: 60px 0;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .company-content {
        padding: 1.5rem;
    }

    .service-card {
        padding: 1.5rem;
    }
}