:root {
    --primary-color: #a31038;
    --text-color: #010101;
    --text-light: #475569;
    --bg-light: #F8FAFC;
    --white: #ffffff;
    --black: #000000;
    --border-color: #e2e8f0;
    --container-width: 1200px;
    --font-family: 'Montserrat', sans-serif;
}

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

body {
    font-family: var(--font-family);
    color: var(--text-color);
    line-height: 1.6;
    background-color: var(--white);
    font-size: 16px;
}

a {
    text-decoration: none;
    color: inherit;
    transition: 0.3s;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.site-header {
    background: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 90px;
}

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

.main-nav ul {
    display: flex;
    gap: 30px;
}

.main-nav a {
    font-weight: 500;
    color: var(--text-color);
    font-size: 15px;
}

.main-nav a:hover, .main-nav a.active {
    color: var(--primary-color);
}

.header-actions .btn {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 10px 25px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 14px;
}

.header-actions .btn:hover {
    background-color: #8a0d2d;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 24px;
}

/* Hero Section */
.hero-section {
    position: relative;
    height: 80vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    background-image: url('../images/TFG-Menkul-Hero.jpg');
    background-size: cover;
    background-position: center;
    color: var(--white);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.4); /* Darken image slightly */
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
}

.hero-title span {
    color: var(--primary-color); /* Option to highlight */
    border-bottom: 3px solid var(--primary-color);
}

.hero-text {
    font-size: 1.2rem;
    margin-bottom: 30px;
    font-weight: 400;
}

.hero-btn {
    display: inline-flex;
    align-items: center;
    background-color: var(--primary-color);
    color: var(--white);
    padding: 15px 40px;
    border-radius: 5px;
    font-weight: 600;
    font-size: 16px;
    gap: 10px;
}

.hero-btn:hover {
    transform: translateY(-2px);
    background-color: #8a0d2d;
}

/* Features / "Neden TFG" */
.features-section {
    padding: 80px 0;
    background-color: var(--bg-light);
    text-align: center;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 50px;
    color: var(--text-color);
}

.section-title span {
    border-bottom: 3px solid var(--primary-color);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--white);
    padding: 40px 20px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    transition: 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 15px rgba(0,0,0,0.1);
}

.feature-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
    fill: var(--primary-color);
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 15px;
}

/* Footer */
.site-footer {
    background-color: var(--white);
    padding: 40px 0;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.footer-copy {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
    .main-nav {
        display: none; /* JS will toggle this */
        position: absolute;
        top: 90px;
        left: 0;
        width: 100%;
        background: var(--white);
        padding: 20px;
        box-shadow: 0 5px 10px rgba(0,0,0,0.1);
    }

    .main-nav.open {
        display: block;
    }

    .main-nav ul {
        flex-direction: column;
        gap: 15px;
    }

    .mobile-menu-toggle {
        display: block;
    }

    .header-actions {
        display: none; /* Hide E-Sube on mobile or move it */
    }

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

/* Inner Pages */
.page-header {
    background-color: var(--bg-light);
    padding: 60px 0;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

.page-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-color);
}

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

.page-content h2 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    margin-top: 40px;
    color: var(--text-color);
}

.page-content h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    margin-top: 30px;
    color: var(--text-color);
}

.page-content p {
    margin-bottom: 20px;
    color: var(--text-light);
}

.page-content ul, .page-content ol {
    margin-bottom: 20px;
    padding-left: 20px;
    color: var(--text-light);
}

.page-content li {
    margin-bottom: 10px;
}

/* Contact Page Specifics */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 40px;
}

.contact-info-card {
    background: var(--bg-light);
    padding: 30px;
    border-radius: 8px;
}

.contact-label {
    font-weight: 700;
    display: block;
    margin-bottom: 5px;
    color: var(--text-color);
}

.contact-value {
    color: var(--text-light);
    display: block;
    margin-bottom: 20px;
}

/* --- New Sections Support --- */

/* Utility */
.text-center { text-align: center; }
.text-gold { color: var(--primary-color); }
.section-subtitle {
    text-align: center;
    max-width: 700px;
    margin: -30px auto 50px;
    color: var(--text-light);
}
.btn-primary {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 12px 30px;
    border-radius: 5px;
    display: inline-block;
    font-weight: 600;
}
.btn-primary:hover {
    background-color: #8a0d2d;
    color: var(--white);
}
.btn-outline {
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    padding: 12px 30px;
    border-radius: 5px;
    display: inline-block;
    font-weight: 600;
}
.btn-outline:hover {
    background-color: var(--primary-color);
    color: var(--white);
}
.btn-white {
    background-color: var(--white);
    color: var(--primary-color);
    padding: 12px 30px;
    border-radius: 5px;
    display: inline-block;
    font-weight: 600;
}
.btn-white:hover {
    background-color: #f0f0f0;
}

/* About Section */
.about { padding: 80px 0; }
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}
.about-image img {
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}
.about-list {
    margin: 20px 0 30px;
    padding-left: 0;
}
.about-list li {
    margin-bottom: 10px;
    position: relative;
    padding-left: 25px;
}
.about-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

/* Services Section */
.services { padding: 80px 0; background-color: var(--bg-light); }
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}
.service-card {
    background: var(--white);
    padding: 30px;
    border-radius: 8px;
    transition: 0.3s;
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    height: 100%;
}
.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.05);
    border-color: var(--primary-color);
}
.service-icon img {
    height: 50px;
    margin-bottom: 20px;
}
.service-content h3 {
    margin-bottom: 15px;
    font-size: 1.25rem;
}

/* Stats Section */
.stats {
    background-color: var(--primary-color);
    padding: 60px 0;
    color: var(--white);
}
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    text-align: center;
}
.stat-number {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 10px;
}
.stat-label {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* Blog / News Grid */
.blog { padding: 80px 0; }
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}
.blog-card {
    background: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
    transition: 0.3s;
    border: 1px solid var(--border-color);
    display: block;
}
.blog-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
}
.blog-image {
    height: 200px;
    overflow: hidden;
}
.blog-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: 0.3s;
}
.blog-card:hover .blog-image img {
    transform: scale(1.05);
}
.blog-content {
    padding: 25px;
}
.blog-category {
    font-size: 0.8rem;
    color: var(--primary-color);
    font-weight: 700;
    text-transform: uppercase;
    display: block;
    margin-bottom: 10px;
}
.blog-content h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    line-height: 1.4;
    color: var(--text-color);
}
.blog-content p {
    color: var(--text-light);
    font-size: 0.95rem;
    margin-bottom: 20px;
    line-height: 1.6;
}
.blog-link {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.9rem;
}

/* CTA Section */
.cta {
    background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), url('../images/TFG-Menkul-Hero.jpg'); /* Reuse hero bg or dark color */
    background-size: cover;
    background-position: center;
    padding: 80px 0;
    text-align: center;
    color: var(--white);
}
.cta h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}
.cta p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* FAQ / Accordion */
.section-light { background-color: var(--bg-light); padding: 80px 0; }
.accordion {
    max-width: 800px;
    margin: 0 auto;
}
.accordion-item {
    background: var(--white);
    margin-bottom: 10px;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}
.accordion-title {
    padding: 20px;
    cursor: pointer;
    font-weight: 600;
    position: relative;
    padding-right: 50px;
}
.accordion-title::after {
    content: "+";
    position: absolute;
    right: 20px;
    font-weight: bold;
    color: var(--primary-color);
}
.accordion-content {
    padding: 0 20px 20px;
    display: none; /* Hidden by default, JS toggles */
    color: var(--text-light);
}
.accordion-item.active .accordion-content {
    display: block;
}
.accordion-item.active .accordion-title::after {
    content: "-";
}

/* Enhanced Footer */
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 2fr;
    gap: 40px;
    padding-bottom: 40px;
    text-align: left;
}
.footer-brand p {
    color: var(--text-light);
    margin: 20px 0;
    font-size: 0.9rem;
}
.footer-social {
    display: flex;
    gap: 15px;
}
.footer-social a {
    color: var(--primary-color);
    background: var(--bg-light);
    width: 35px;
    height: 35px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: 0.3s;
}
.footer-social a:hover {
    background: var(--primary-color);
    color: var(--white);
}
.footer h4 {
    font-size: 1.1rem;
    margin-bottom: 20px;
    color: var(--text-color);
}
.footer-links li {
    margin-bottom: 10px;
}
.footer-links a {
    color: var(--text-light);
    font-size: 0.9rem;
}
.footer-links a:hover {
    color: var(--primary-color);
    padding-left: 5px;
}
.footer-contact li {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
    color: var(--text-light);
    font-size: 0.9rem;
}
.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 20px;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 20px;
    font-size: 0.85rem;
    color: var(--text-light);
}
.footer-bottom-links a {
    margin-left: 20px;
    color: var(--text-light);
}

@media (max-width: 900px) {
    .about-grid, .footer-grid {
        grid-template-columns: 1fr;
    }
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    .footer-bottom-links a {
        margin: 0 10px;
    }
}