:root {
    --arka-koyu: #0b1220;
    --arka-orta: #0f1724;
    --kutu-arka: #0f1724;
    --soluk: #9aa4b2;
    --cam: rgba(255, 255, 255, 0.03);
    --vurgulu: #7c3aed;
    --vurgulu2: #00d4ff;
    --kose: 14px;
    --icerik-genislik: 1100px;
    --golge: 0 8px 30px rgba(2, 6, 23, 0.6);
}

* {
    box-sizing: border-box
}

html {
    scroll-behavior: smooth
}

body {
    margin: 0;
    font-family: Inter, "Segoe UI", Roboto, Arial, sans-serif;
    background: radial-gradient(1200px 600px at 5% 10%, rgba(124, 58, 237, 0.06), transparent),
    radial-gradient(900px 400px at 95% 90%, rgba(0, 212, 255, 0.03), transparent),
    linear-gradient(180deg, var(--arka-koyu), var(--arka-orta));
    color: #e6eef8;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    line-height: 1.5;
}

a {
    color: var(--vurgulu2);
    text-decoration: none
}

a:hover {
    text-decoration: underline
}


header {
    position: sticky;
    top: 0;
    z-index: 60;
    backdrop-filter: blur(6px);
    background: linear-gradient(180deg, rgba(6, 10, 18, 0.65), rgba(6, 10, 18, 0.45));
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.nav {
    max-width: var(--icerik-genislik);
    margin: 0 auto;
    padding: 20px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.site-title {
    font-weight: 700;
    letter-spacing: 1px;
    color: #eaf2ff
}

nav ul {
    list-style: none;
    display: flex;
    gap: 22px;
    margin: 0;
    padding: 0
}

nav a {
    color: var(--soluk);
    font-weight: 600
}

nav a:hover {
    color: var(--vurgulu2)
}


.menu-toggle {
    display: none
}

.hamb {
    display: none;
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: var(--cam);
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.03);
    cursor: pointer;
    color: var(--soluk);
    font-weight: 700;
}


.hero {
    max-width: var(--icerik-genislik);
    margin: 28px auto;
    padding: 28px 20px;
    display: flex;
    gap: 26px;

}

.hero-card {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0.01));
    border-radius: var(--kose);
    padding: 28px;
    border: 1px solid rgba(255, 255, 255, 0.03);
    box-shadow: var(--golge);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.hero h1 {
    margin: 0;
    font-size: 2.1rem;
    color: #f7fbff
}

.hero p {
    color: var(--soluk);
    margin-top: 10px
}

.hero-actions {
    display: flex;
    gap: 12px;
    margin-top: 18px;
    flex-wrap: wrap
}

.btn {
    padding: 10px 14px;
    border-radius: 10px;
    font-weight: 700;
    background: linear-gradient(90deg, var(--vurgulu), var(--vurgulu2));
    color: #e1e1e1;
    border: none;
    cursor: pointer;
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.35)
}

.btn.ghost {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.04);
    color: var(--soluk)
}


.panel {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0.01));
    border-radius: var(--kose);
    padding: 18px;
    border: 1px solid rgba(255, 255, 255, 0.03);
    box-shadow: 0 20px 50px rgba(2, 6, 23, 0.5);
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-items: center;
}

.avatar {
    width: 320px;
    height: 320px;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.04);
}

.avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block
}

.skill-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center
}

.skill {
    padding: 8px 10px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.02);
    font-weight: 600;
    color: var(--soluk);
    font-size: .9rem
}


.container {
    max-width: var(--icerik-genislik);
    margin: 22px auto;
    padding: 0 20px 56px;
    display: grid;
    gap: 20px
}

section.card {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0.01));
    border-radius: 12px;
    padding: 20px;
    border: 1px solid rgba(255, 255, 255, 0.02);
    box-shadow: 0 8px 30px rgba(2, 6, 23, 0.45)
}

h2 {
    margin: 0;
    color: #eaf2ff
}


.about-grid {
    display: grid;
    grid-template-columns:1fr 280px;
    gap: 18px;
    align-items: start
}

.about-grid img {
    width: 100%;
    border-radius: 8px;
    object-fit: cover;
    height: 180px;
    border: 1px solid rgba(255, 255, 255, 0.03)
}


.projects-grid {
    display: grid;
    grid-template-columns:repeat(3, 1fr);
    gap: 14px
}

.project {
    padding: 14px;
    border-radius: 10px;
    background: linear-gradient(180deg, rgba(124, 58, 237, 0.03), rgba(0, 212, 255, 0.01));
    border: 1px solid rgba(255, 255, 255, 0.02)
}

.project h3 {
    margin: 0;
    color: #f4f8ff
}

.project p {
    color: var(--soluk);
    margin-top: 8px;
    font-size: .95rem
}


.media-grid {
    display: grid;
    grid-template-columns:1fr 1fr;
    gap: 14px
}

.video {
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.03)
}

.video iframe {
    width: 100%;
    height: 100%;
    min-height: 260px;
    display: block
}


.contact-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 8px
}

.contact-item {
    display: flex;
    gap: 12px;
    align-items: center
}

.contact-item strong {
    min-width: 90px;
    color: var(--soluk);
    font-weight: 700
}

footer {
    margin-top: 20px;
    padding: 18px 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.02)
}

.footer-inner {
    max-width: var(--icerik-genislik);
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--soluk)
}

@media (max-width: 1000px) {
    .hero {
        display: grid;
        grid-template-columns:1fr 300px
    }

    .projects-grid {
        grid-template-columns:repeat(2, 1fr)
    }

    .about-grid {
        grid-template-columns:1fr
    }

    .media-grid {
        grid-template-columns:1fr
    }
}

@media (max-width: 720px) {
    nav ul {
        display: none
    }

    header nav {
        display: none;
    }

    .hamb {
        display: flex
    }

    .menu-toggle:checked + label + nav ul {
        display: flex;
        position: absolute;
        left: 16px;
        right: 16px;
        top: 64px;
        flex-direction: column;
        background: linear-gradient(180deg, rgba(6, 10, 18, 0.9), rgba(6, 10, 18, 0.95));
        padding: 12px;
        border-radius: 10px;
        border: 1px solid rgba(255, 255, 255, 0.02)
    }

    .hero {
        display: grid;
        grid-template-columns:1fr;
        gap: 12px;
        padding: 18px
    }

    .avatar {
        width: 100%;
        height: 240px
    }

    .projects-grid {
        grid-template-columns:1fr
    }

    .footer-inner {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px
    }
}