:root {
    --bg-color: #0D1117;
    --primary-text: #C9D1D9;
    --accent-color: #ff8045;
    --secondary-accent: #37ff5f;
    --border-color: #30363d;
    --card-bg: #161b22;
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Open Sans', sans-serif;
}
*{
    margin: 0;
    padding: 0;
}
body {
    font-family: var(--font-body);
    color: var(--primary-text);
    background-color: var(--bg-color);
    scroll-behavior: smooth;
}

h1,
h2,
h3 {
    font-family: var(--font-heading);
    color: var(--primary-text);
}

.btn-primary {
    position: relative;
    display: inline-block;
    margin-top: 2rem;
    padding: 0.8rem 2rem;
    background-color: var(--accent-color);
    border: 1px solid var(--accent-color);
    color: var(--primary-text);
    border-radius: 4px;
    text-decoration: none;
    font-weight: bolder;
    transition: background-color 0.3s ease, width 0.3s ease-out;
    overflow: hidden;
}

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

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

.btn-primary:hover::after {
    width: 100%;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

section {
    padding: 6rem 0;
}

.section-heading {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--accent-color);
}

/* Nav */
.main-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: var(--bg-color);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
    padding: 1rem 0;
}

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

.logo {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-text);
    text-decoration: none;
    transition: color 0.3s;
    border-bottom: 1px solid var(--accent-color) ;
}

.logo-accent {
    color: var(--accent-color);
}

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

.nav-links a {
    text-decoration: none;
    color: var(--primary-text);
    font-weight: 600;
    font-size: 1rem;
    padding-bottom: 0.3rem;
    position: relative;
    transition: color 0.3s ease;
}

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

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

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

.nav-contact {
    background-color: var(--accent-color);
    border: 1px solid var(--accent-color);
    padding: 0.5rem 1rem;
    border-radius: 4px;
    line-height: 1;
}

.nav-contact:hover {
    background-color: var(--card-bg);
}



/* Hero */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 2rem;
}

.hero-name {
    font-size: 3.5rem;
    margin: 2rem 0;
    color: var(--accent-color);
}

.hero-title {
    font-size: 1.5rem;
    font-weight: bolder;
    color: var(--primary-text);
}

.social-links {
    margin: 2rem 0;
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    z-index: 5;
}

.social-links a {
    color: var(--primary-text);
    font-size: 1.5rem;
    transition: color 0.3s ease;
}

.social-links a:hover {
    color: var(--accent-color);
}

/* About */

/* .about-content {
    max-width: 800px;
    margin: 0 auto 3rem auto;
    font-size: 1.15rem;
    line-height: 1.8; 
}

.about-content strong {
    color: var(--accent-color); 
} */

.skills-heading {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    text-align: center;
    margin-top: 2rem;
    margin-bottom: 2rem;
}

.skills-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    max-width: 900px;
}

.skill-tag {
    color: var(--primary-text);
    background-color: #1a2b3f;
    padding: 0.5rem 1.2rem;
    border-radius: 20px;
    font-size: 0.95rem;
    font-weight: 600;
    border: 1px solid var(--accent-color);
    transition: background-color 0.3s;
    cursor: default;
}

/* Projects */
.projects{
    border-top: 1px solid var(--border-color);
}
.carousel-container {
    display: flex;
    align-items: center;
    position: relative;
    padding: 0 1.5rem;
}

.projects-carousel {
    display: flex;
    overflow-x: scroll;
    gap: 2rem;
    padding: 1rem 0;
    -ms-overflow-style: none;
    scrollbar-width: none;
    scroll-behavior: smooth;
}

.projects-carousel::-webkit-scrollbar {
    display: none;
}

.project-card {
    scroll-snap-align: start;
    min-width: 295px;
    width: 295px;
    display: flex;
    flex-direction: column;
    background-color: var(--card-bg);
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    overflow: hidden;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.25);
    border-color: var(--accent-color);
}

.project-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 6px;
    margin-bottom: 1.5rem;
    border: 1px solid var(--border-color);
}

.project-title {
    font-size: 1.6rem;
    color: var(--accent-color);
    margin-top: 0;
    margin-bottom: 0.75rem;
}

.project-description {
    flex-grow: 1;
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    overflow-y: scroll;
    max-height: 100px;
    overflow-y: auto;
    scrollbar-width: none;
}
.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.tag {
    background-color: var(--secondary-accent);
    color: var(--bg-color);
    padding: 0.3rem 0.8rem;
    border-radius: 4px;
    font-size: 0.85rem;
    font-weight: 600;
}

.project-link {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 600;
    display: inline-block;
    margin-top: 0.5rem;
    transition: color 0.3s;
    align-self: flex-start;
    margin-top: auto;

}

.project-link:hover {
    text-decoration: underline;
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    background-color: rgba(13, 17, 23, 0.8);
    color: var(--primary-text);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    width: 45px;
    height: 45px;
    cursor: pointer;
    font-size: 1.2rem;
    transition: background-color 0.3s, color 0.3s, border-color 0.3s;
}

.carousel-btn:hover {
    background-color: var(--accent-color);
    color: var(--bg-color);
    border-color: var(--accent-color);
}

.prev-btn {
    left: -2rem;
}

.next-btn {
    right: -2rem;
}


.contact{
    padding: 0;
    margin: 0;
}
.contact-info{
    display: flex;
    flex-direction: column;
    align-items: center;
}



.info-item {
    display: flex;
    align-items: center;
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.info-item i {
    color: var(--accent-color);
    font-size: 1.2rem;
    margin-right: 1rem;
    width: 20px;
    text-align: center;
}

.info-item a {
    color: var(--primary-text);
    text-decoration: none;
    transition: color 0.3s;
}

.info-item a:hover {
    color: var(--accent-color);
}

/* Footer */
.main-footer {
    background-color: var(--card-bg);
    padding: 1rem;
    border-top: 1px solid var(--border-color);
    text-align: center;
}


.copyright {
    font-size: 0.95rem;
    color: var(--primary-text);
}

.design-note {
    font-size: 0.8rem;
    color: var(--border-color);
}




/* Responsive */
/* Mobil cihazlar için (max 768px) */
@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        align-items: flex-start;
    }

    .nav-links {
        flex-direction: column;
        gap: 1rem;
        width: 100%;
        margin-top: 1rem;
    }

    .nav-contact {
        align-self: flex-end;
    }
    .hero{
        align-items: start;
        margin: 2rem 0;
        min-height: 100vh;
    }
    .hero-name {
        font-size: 2.5rem;
        margin: 2rem 0;
    }

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

    .btn-primary {
        padding: 0.6rem 1.5rem;
        font-size: 0.9rem;
    }

    .section-heading {
        font-size: 1.7rem;
    }

    .skills-grid {
        flex-direction: row;
        align-items: center;
        flex-wrap: wrap;
    }


    .project-card {
        min-width: 90% !important;
        height: 550px !important;
    }

    .carousel-btn {
        display: none;
    }

    .info-item {
        font-size: 1rem;
        align-items: flex-start;
        gap: 0.3rem;
    }

    .info-item i {
        margin-right: 0;
    }
}

/* Tabletler için (769px - 1024px) */
@media (min-width: 769px) and (max-width: 1024px) {
    .hero-name {
        font-size: 3rem;
    }

    .hero-title {
        font-size: 1.3rem;
    }

    .section-heading {
        font-size: 2.2rem;
    }

    .skills-grid {
        gap: 0.8rem;
    }

    .project-card {
        min-width: 270px;
        min-height: 400px;
    }

    .carousel-btn {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
}