:root {
    --sevinc-orange: #F55D2A;
    --sevinc-dark-gray: #4A4A4A;
    --sevinc-white: #FFFFFF;
    --sevinc-light-gray: #f7f8fa;
    --text-color: #555;
    --border-color: #e0e0e0;
    --border-radius: 8px;
    --box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--sevinc-light-gray);
    color: var(--text-color);
    line-height: 1.7;
    overflow-x: hidden;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--sevinc-orange);
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: opacity 0.5s, visibility 0.5s;
}

.loader {
    text-align: center;
}

.loader img {
    max-width: 250px;
    animation: pulse 1.5s infinite ease-in-out;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top-color: var(--sevinc-white);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 20px auto 0;
}

#preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

.site-header {
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all 0.4s ease;
}

.site-header.scrolled {
    background: var(--sevinc-white);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    padding: 10px 0;
}

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

.logo img {
    max-width: 180px;
    transition: transform 0.3s;
    position: relative;
    top: 5px;
}

.main-nav ul {
    list-style: none;
    display: flex;
    gap: 35px;
    margin: 0;
    padding: 0;
}

.main-nav li {
    animation: fadeInDown 0.5s ease-out forwards;
    opacity: 0;
}

.main-nav li:nth-child(1) {
    animation-delay: 0.1s;
}

.main-nav li:nth-child(2) {
    animation-delay: 0.2s;
}

.main-nav li:nth-child(3) {
    animation-delay: 0.3s;
}

.main-nav li:nth-child(4) {
    animation-delay: 0.4s;
}

.main-nav li:nth-child(5) {
    animation-delay: 0.5s;
}

.main-nav li:nth-child(6) {
    animation-delay: 0.6s;
}

.main-nav a {
    text-decoration: none;
    color: var(--sevinc-dark-gray);
    font-weight: 500;
    position: relative;
    padding: 8px 0;
    /* Sadece dikey padding verelim, yatay boşluğu gap ile kontrol ediyoruz */
    transition: color 0.3s ease;
    z-index: 1;
    /* Diğer elementlerin önüne geçmesi için */
}

.main-nav a::after {
    /* ::before yerine ::after kullanalım ve alttaki çizgi olsun */
    content: '';
    position: absolute;
    bottom: 1px;
    /* Linkin biraz altına insin */
    left: 0;
    width: 0%;
    /* Başlangıçta genişliği sıfır */
    height: 3px;
    background: var(--sevinc-orange);
    border-radius: 2px;
    transition: width 0.3s cubic-bezier(0.23, 1, 0.32, 1);
    /* Sadece genişliği animasyonlu olsun */
    z-index: -1;
}

.main-nav a:hover {
    color: var(--sevinc-orange);
    /* Hover'da linkin rengi turuncu olsun */
}

.main-nav a:hover::after {
    width: 100%;
    /* Hover'da genişliği tam olsun */
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--sevinc-dark-gray);
    cursor: pointer;
}

.hero-section {
    position: relative;
    padding: 120px 0;
    text-align: center;
    color: var(--sevinc-white);
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.4));
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 15px;
    text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.5);
}

.hero-content p {
    font-size: 1.3rem;
    max-width: 700px;
    margin: 0 auto 30px;
}

.btn {
    text-decoration: none;
    display: inline-block;
    padding: 12px 30px;
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

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

.btn-lg {
    padding: 15px 40px;
    font-size: 1.1rem;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(245, 93, 42, 0.3);
}

.section-title {
    font-size: 2.5rem;
    color: var(--sevinc-dark-gray);
    margin-bottom: 50px;
    text-align: center;
    position: relative;
    padding-bottom: 15px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 70px;
    height: 4px;
    background: var(--sevinc-orange);
    border-radius: 2px;
}

.text-center {
    text-align: center;
}

.form-section-main,
.content-section {
    padding: 80px 0;
}

#form-container {
    background: var(--sevinc-white);
    padding: 40px 50px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.form-header {
    text-align: center;
    margin-bottom: 30px;
}

.progress-bar-container {
    display: flex;
    justify-content: space-between;
    position: relative;
    max-width: 500px;
    margin: 30px auto;
}

.progress-bar-container::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
    height: 4px;
    width: 100%;
    background: var(--border-color);
    z-index: 1;
}

.step-indicator {
    background: var(--sevinc-white);
    color: #ccc;
    border: 3px solid #ccc;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    position: relative;
    z-index: 2;
    transition: all 0.4s ease;
    font-size: 1.4rem;
}

.step-indicator.active {
    border-color: var(--sevinc-orange);
    color: var(--sevinc-orange);
    font-weight: 700;
    transform: scale(1.1);
}

.form-step {
    display: none;
    animation: fadeIn 0.5s;
}

.form-step.active-step {
    display: block;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
}

.form-group {
    position: relative;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--sevinc-dark-gray);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-family: 'Poppins', sans-serif;
    transition: all 0.3s ease;
    background-color: var(--sevinc-light-gray);
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.06);
    color: var(--sevinc-dark-gray);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    background-color: var(--sevinc-white);
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.06), 0 0 0 2px var(--sevinc-orange);
}

.radio-group-container {
    display: flex;
    /* Öğeleri yatayda sırala */
    align-items: center;
    /* Dikeyde ortala */
    gap: 25px;
    /* Seçenekler arasına boşluk koy */
    padding-top: 10px;
    margin-left: 12px;
        /* <-- BU SATIRI EKLEYİN */
}

.radio-option {
    display: flex;
    /* Radyo düğmesi ve etiketini yan yana getir */
    align-items: center;
    /* Dikeyde ortala */
    gap: 8px;
    /* Düğme ve yazı arasına küçük bir boşluk koy */
}

/* Radyo düğmesi etiketlerinin genel stilini sıfırla */
.radio-option label {
    margin: 0;
    font-weight: normal;
    cursor: pointer;
}
.form-buttons {
    display: flex;
    justify-content: space-between;
    margin-top: 30px;
}

.btn-prev {
    background-color: var(--border-color);
    color: var(--sevinc-dark-gray);
}

.veli-bilgileri-container {
    border: none;
    border-radius: var(--border-radius);
    padding: 20px;
    background: var(--sevinc-white);
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.05);
}

.form-grid-veli {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 25px;
    padding-bottom: 25px;
    margin-bottom: 25px;
    border-bottom: 1px solid var(--border-color);
}

.veli-grup {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.veli-grup:first-child {
    padding-right: 25px;
    border-right: 1px solid var(--border-color);
}

.veli-grup:last-child {
    padding-left: 25px;
}

.veli-grup h3 {
    color: var(--sevinc-orange);
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 10px;
    padding-bottom: 15px;
    border-bottom: 2px solid #eee;
    display: flex;
    align-items: center;
    gap: 10px;
}

.input-with-icon {
    position: relative;
}

.input-with-icon i {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: #ccc;
    transition: color 0.3s ease;
    z-index: 3;
}

.input-with-icon input {
    padding-left: 45px !important;
}

.form-group:focus-within .input-with-icon i {
    color: var(--sevinc-orange);
}

.sorumlu-veli-grup {
    margin: 0;
}

.sorumlu-veli-grup select {
    background-color: var(--sevinc-light-gray);
}

#hakkimizda {
    background: var(--sevinc-white);
}

.about-container {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 50px;
    align-items: center;
}

.about-image img {
    width: 100%;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.about-text .section-title {
    text-align: left;
}

.about-text .section-title::after {
    left: 0;
    transform: translateX(0);
}

.stats-section {
    background: var(--sevinc-light-gray);
}

.stats-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    text-align: center;
}

.stat-item h3 {
    font-size: 3rem;
    color: var(--sevinc-orange);
    font-weight: 700;
}

.stat-item p {
    color: var(--sevinc-dark-gray);
    font-weight: 500;
}

#egitim {
    background: var(--sevinc-white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
    margin-top: 50px;
}

.feature-item {
    text-align: center;
    padding: 20px;
}

.feature-item i {
    font-size: 3rem;
    color: var(--sevinc-orange);
    margin-bottom: 20px;
}

.feature-item h3 {
    font-size: 1.4rem;
    color: var(--sevinc-dark-gray);
    margin-bottom: 10px;
}

.gallery-section {
    background: var(--sevinc-light-gray);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    cursor: pointer;
    aspect-ratio: 4/3;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s ease;
}

.gallery-item:hover img {
    transform: scale(1.1);
}

.gallery-item .overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    color: var(--sevinc-white);
    padding: 25px 15px 15px;
    font-weight: 600;
    font-size: 1.1rem;
    text-align: left;
    transform: translateY(100%);
    transition: transform 0.4s ease;
}

.gallery-item:hover .overlay {
    transform: translateY(0);
}

#iletisim {
    background: var(--sevinc-white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.contact-info h3 {
    font-size: 1.5rem;
    color: var(--sevinc-dark-gray);
    margin-bottom: 20px;
}

.contact-info p {
    font-size: 1.1rem;
    margin-bottom: 20px;
    display: flex;
    align-items: flex-start;
}

.contact-info i {
    color: var(--sevinc-orange);
    margin-right: 15px;
    width: 20px;
    text-align: center;
    font-size: 1.2rem;
    margin-top: 5px;
}

.contact-info a {
    color: var(--text-color);
    text-decoration: none;
}

.contact-map iframe {
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.site-footer {
    background-color: var(--sevinc-dark-gray);
    color: #ccc;
    padding: 60px 0 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1.5fr 1fr;
    gap: 40px;
}

.footer-column h4 {
    color: var(--sevinc-white);
    margin-bottom: 20px;
    font-size: 1.2rem;
    position: relative;
    padding-bottom: 10px;
}

.footer-column h4::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 40px;
    height: 3px;
    background: var(--sevinc-orange);
}

.footer-column a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-column a:hover {
    color: var(--sevinc-orange);
}

.social-icons a {
    margin-right: 15px;
    font-size: 1.6rem;
    color: #ccc;
}

.footer-bottom {
    text-align: center;
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid #5a5a5a;
    font-size: 0.9rem;
    color: #aaa;
}

.form-message {
    padding: 18px 25px;
    margin-bottom: 30px;
    border-radius: var(--border-radius);
    font-size: 1.05rem;
    font-weight: 500;
    text-align: center;
    border: 1px solid transparent;
    animation: fadeInDown 0.5s ease-out;
}

.form-message.success {
    background-color: #d4edda;
    border-color: #c3e6cb;
    color: #155724;
}

.form-message.error {
    background-color: #f8d7da;
    border-color: #f5c6cb;
    color: #721c24;
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.7;
        transform: scale(0.95);
    }
}

@keyframes fadeOut {
    to {
        opacity: 0;
        visibility: hidden;
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 992px) {
    .main-nav {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--sevinc-white);
        flex-direction: column;
        gap: 0;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-10px);
        transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s;
    }

    .main-nav.nav-active {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

    .main-nav ul {
        flex-direction: column;
        width: 100%;
    }

    .main-nav li {
        width: 100%;
        text-align: center;
        animation: none;
        opacity: 1;
    }

    .main-nav a {
        padding: 10px 15px;
        display: block;
        border-bottom: 1px solid #f0f0f0;
        border-radius: 0;
    }

    .main-nav a:hover::before {
        transform: scaleX(0);
    }

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

    .about-container,
    .contact-grid {
        grid-template-columns: 1fr;
    }

    .gallery-grid {
        grid-template-columns: 1fr 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
    }

    .veli-grup:first-child {
        padding-right: 0;
        border-right: none;
    }

    .veli-grup:last-child {
        padding-left: 0;
    }
}

@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 2.5rem;
    }

    .form-grid,
    .form-grid-veli {
        grid-template-columns: 1fr;
    }

    .veli-grup:first-child {
        padding-bottom: 25px;
        border-bottom: 1px solid var(--border-color);
    }

    #form-container {
        padding: 30px 20px;
    }

    .stats-container,
    .features-grid {
        grid-template-columns: 1fr 1fr;
    }

    .gallery-grid {
        grid-template-columns: 1fr;
    }
}