/* Temel Değişkenler */
:root {
    --primary-color: #00bf63;
    --secondary-color: #008f4a;
    --text-dark: #1f2937;
    --text-light: #4b5563;
    --bg-light: #f0fdf4;
    --white: #ffffff;
    --container-width: 1200px;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

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

ul {
    list-style: none;
}

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

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 2rem;
}

.section {
    padding: 100px 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--primary-color);
    margin: 10px auto;
}

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

/* Butonlar */
.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: var(--transition);
}

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

.btn.primary:hover {
    background-color: #00a857;
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(0, 191, 99, 0.3);
}

.btn.secondary {
    background-color: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    margin-left: 1rem;
}

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

/* Header & Nav */
header {
    background-color: transparent;
    height: auto;
    display: flex;
    align-items: center;
    position: fixed;
    top: 20px;
    left: 0;
    right: 0;
    width: 100%;
    z-index: 1000;
    transition: var(--transition);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: calc(100% - 40px);
    max-width: var(--container-width);
    margin: 0 auto;
    background-color: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    padding: 0.5rem 2rem;
    border-radius: 50px;
    border: 2px solid var(--primary-color);
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    transition: var(--transition);
}

.logo a {
    display: flex;
    align-items: center;
    gap: 0px;
}

.logo-img {
    height: 120px;
    width: auto;
    filter: none;
    margin: -40px 0; /* Nav bar yüksekliğini etkilemeden resmi daha da büyütmek için */
    display: block;
}

.logo-text {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-links {
    display: flex;
}

.nav-links li {
    margin-left: 2rem;
}

.nav-links a {
    font-weight: 600;
    color: var(--text-dark);
}

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

/* Burger Menu */
.burger {
    display: none;
    cursor: pointer;
}

.burger div {
    width: 25px;
    height: 3px;
    background-color: var(--primary-color);
    margin: 5px;
    transition: var(--transition);
}

/* Slider Bölümü */
.hero-slider {
    height: 100vh;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

.slider-container {
    height: 100%;
    width: 100%;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out;
    display: flex;
    align-items: center;
    justify-content: center;
}

.slide.active {
    opacity: 1;
    z-index: 1;
}

.slide img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.4);
}

.hero-content-overlay {
    position: relative;
    z-index: 2;
    text-align: left;
    color: var(--white);
    width: 100%;
}

.hero-content-overlay h1, 
.hero-content-overlay h2 {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero-content-overlay h1 span,
.hero-content-overlay h2 span {
    color: var(--primary-color);
}

.hero-content-overlay p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    max-width: 700px;
}

/* Slider Kontrolleri */
.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.2);
    color: white;
    padding: 1rem;
    border: none;
    cursor: pointer;
    z-index: 10;
    font-size: 1.5rem;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

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

.prev { left: 20px; }
.next { right: 20px; }

.slider-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    display: flex;
    gap: 10px;
}

.dot {
    width: 12px;
    height: 12px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
}

.dot.active {
    background: var(--primary-color);
    width: 30px;
    border-radius: 10px;
}

/* Hero Section (Eski hali yedeği veya kaldırılabilir) */
.hero {
    height: 100vh;
    background: linear-gradient(135deg, #f0fdf4 0%, #ffffff 100%);
    display: flex;
    align-items: center;
    padding-top: 80px;
}

.hero-content {
    max-width: 700px;
}

.hero h1 {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero h1 span {
    color: var(--primary-color);
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 2rem;
}

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text {
    display: flex;
    flex-direction: column;
    justify-content: center;
    height: 100%;
}

.about-text h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.features {
    margin-top: 2rem;
}

.features li {
    margin-bottom: 0.8rem;
    font-weight: 500;
    color: var(--primary-color);
}

.img-responsive {
    max-width: 100%;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.img-responsive:hover {
    transform: scale(1.05);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.15);
}

.image-placeholder {
    background-color: #e2e8f0;
    height: 400px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    color: var(--text-light);
}

/* Services Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--white);
    padding: 3rem;
    border-radius: 20px;
    text-align: center;
    transition: var(--transition);
    border: 1px solid #edf2f7;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

.service-card .icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.service-card h3 {
    margin-bottom: 1rem;
}

/* Contact Section */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
}

.contact-info h3 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

.info-item {
    display: flex;
    margin-bottom: 1.5rem;
}

.info-item span {
    font-size: 1.5rem;
    margin-right: 1rem;
    color: var(--primary-color);
}

.contact-form {
    display: flex;
    flex-direction: column;
}

.contact-form input, 
.contact-form textarea {
    padding: 1rem;
    margin-bottom: 1rem;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    font-family: inherit;
}

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

/* Footer */
footer {
    padding: 2rem 0;
    text-align: center;
    background-color: transparent;
}

footer .container {
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    padding: 1.5rem 2rem;
    border-radius: 50px;
    border: 2px solid var(--primary-color);
    max-width: fit-content;
    margin: 0 auto;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

footer p {
    color: var(--text-dark);
    font-weight: 500;
}

/* Responsive */
@media (max-width: 968px) {
    .hero-content-overlay h1, 
    .hero-content-overlay h2 { font-size: 2.5rem; }
    .hero-slider { height: 70vh; }
    .about-grid, .contact-wrapper { grid-template-columns: 1fr; }
    .section { padding: 60px 0; }
    .logo-text { font-size: 1.2rem; }
    .logo-img { height: 60px; }
    
    .nav-links {
        position: absolute;
        right: 20px;
        height: auto;
        top: 80px;
        background-color: rgba(255, 255, 255, 0.85);
        backdrop-filter: blur(10px);
        display: flex;
        flex-direction: column;
        align-items: center;
        width: 250px;
        transform: translateX(120%);
        transition: transform 0.5s ease-in;
        padding: 2rem;
        border-radius: 20px;
        border: 2px solid var(--primary-color);
        box-shadow: 0 10px 30px rgba(0,0,0,0.15);
    }

    .nav-links a {
        color: var(--text-dark);
        font-weight: 600;
    }

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

    .nav-links li {
        margin: 1.5rem 0;
        margin-left: 0;
    }

    .burger { display: block; }
}

@media (max-width: 576px) {
    .hero-content-overlay h1, 
    .hero-content-overlay h2 { font-size: 1.8rem; }
    .hero-content-overlay p { font-size: 1rem; }
    .hero-slider { height: 60vh; }
    .slider-btn { display: none; }
    .section-title { font-size: 2rem; }
    .hero-btns { display: flex; flex-direction: column; gap: 1rem; }
    .btn.secondary { margin-left: 0; }
    .container { padding: 0 1.5rem; }
    .logo-text { display: none; }
}

@keyframes navLinkFade {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0px);
    }
}

.nav-active {
    transform: translateX(0%);
}

.toggle .line1 { transform: rotate(-45deg) translate(-5px, 6px); }
.toggle .line2 { opacity: 0; }
.toggle .line3 { transform: rotate(45deg) translate(-5px, -6px); }