/* =========================================
   1. DEĞİŞKENLER & TEMEL AYARLAR
   ========================================= */
:root {
    /* Renkler */
    --color-bg-primary: #061048;
    --color-bg-secondary: #0b0b0b;
    --color-bg-card: #063676;
    --color-bg-section: #021125;
    --color-accent: rgb(12, 93, 155);
    --color-text: white;
    --color-border: white;

    /* Tipografi */
    --font-primary: 'Space Mono', monospace;
    
    /* Spacing */
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 5rem;
    
    /* Container */
    --container-max: 1400px;
    --container-padding: clamp(1rem, 5vw, 3rem);
    
    /* Animasyon */
    --transition-std: all 0.3s ease;
    --transition-slow: all 0.8s ease;
}

*, *::before, *::after {
    box-sizing: border-box;
}

body {
    font-family: var(--font-primary);
    margin: 0;
    padding: 0;
    background: radial-gradient(circle, var(--color-bg-primary) 0%, var(--color-bg-secondary) 100%);
    overflow-x: hidden;
    color: var(--color-text);
    line-height: 1.6;
}

h1, h2, h3 {
    text-transform: uppercase;
    margin: 0;
}

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

/* =========================================
   2. ANİMASYONLAR
   ========================================= */
@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* =========================================
   3. GERİ DÖN BUTONU
   ========================================= */
.go-back-container {
    width: 100%;
    padding: 20px 20px;
    background-color: var(--color-bg-section);
}

.go-back {
    color: var(--color-text);
    text-decoration: none;
    font-size: 1rem;
    border-radius: 25px;
    padding: 10px 25px;
    transition: var(--transition-std);
    font-weight: bold;
    border: 2px solid var(--color-accent);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    background-color: transparent;
}

.go-back p {
    margin: 0;
}

.go-back:hover,
.go-back:focus-visible {
    background-color: var(--color-accent);
    transform: translateX(-5px);
    box-shadow: 0 0 15px rgba(12, 93, 155, 0.5);
}

/* =========================================
   4. TOP BAR (ÜST BÖLÜM) - GRID LAYOUT
   ========================================= */
.top-bar {
    width: 100%;
    min-height: clamp(150px, 22vh, 240px);
    background-color: var(--color-bg-section);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    padding: 0.75rem var(--container-padding);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
    align-items: center;
    overflow: visible;
    position: relative;
    z-index: 2;
}

.top-bar-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 0;
}

.top-bar-image {
    display: flex;
    justify-content: center;
    align-items: center;
    animation: slideIn 1s ease forwards;
}

.top-bar-image img {
    width: 100%;
    max-width: 750px;
    height: auto;
        background-color: white;
    border: 1px solid var(--color-border);
    box-shadow: 10px 10px rgba(255, 255, 255, 0.32);
    object-fit: contain;
    transition: var(--transition-std);
    transform: translateY(25%);
    position: relative;
    z-index: 3;
}

/* =========================================
   5. BAĞLANTI ÇİZGİSİ
   ========================================= */
.connection {
    width: 100%;
    display: flex;
    justify-content: center;
    padding: 0;
    position: relative;
    height: 500px;    z-index: 1;}

.connection::before {
    content: '';
    position: absolute;
    top: 0;
    width: 3px;
    height: 100%;
    background: var(--color-accent);
    box-shadow: 0px 0px 15px var(--color-accent);
}

/* Üst ve alt bağlantı noktaları */
.connection::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 15px;
    height: 15px;
    background: var(--color-accent);
    border-radius: 50%;
    box-shadow: 0px 0px 20px var(--color-accent);
}

/* =========================================
   6. BOTTOM BAR (ALT BÖLÜM) - GRID LAYOUT
   ========================================= */
.bottom-bar {
    width: 100%;
    min-height: clamp(150px, 22vh, 240px);
    background-color: var(--color-bg-section);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
    align-items: center;
}

.bottom-bar-image {
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transform: translateY(50px);
    transition: var(--transition-slow);
}

.bottom-bar-image.visible {
    opacity: 1;
    transform: translateY(0);
}

.bottom-bar-image img {
    width: 100%;
    max-width: 750px;
    height: auto;
    border: 1px solid var(--color-border);
    box-shadow: 10px 10px rgba(255, 255, 255, 0.32);
    object-fit: contain;
    transition: var(--transition-std);
    transform: translateY(-25%);
    position: relative;
    z-index: 3;
}

.bottom-bar-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 0px;
    transform: translateX(-50px);
}

/* =========================================
   7. AÇIKLAMA METİNLERİ
   ========================================= */
.image-desc, 
.image-desc-1 {
    font-family: var(--font-primary);
    font-size: clamp(1rem, 2vw, 1.5rem);
    color: var(--color-text);
    font-weight: bold;
    line-height: 1.6;
    margin: 0;
}

.image-desc {
    animation: slideIn 1s ease forwards;
}

.image-desc-1 {
    opacity: 0;
    transform: translateY(-60px);
    transition: var(--transition-slow);
}

.image-desc-1.visible {
    opacity: 1;
    transform: translateY(-60px);
}

.toGitHub {
    width: 100%;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: center;
    justify-content: center;
    display: grid;
    padding: 2rem;
    padding-top: 4rem;
}
.toGitHub-content {
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transform: translateX(-50px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.toGitHub-content.visible {
    opacity: 1;
    transform: translateX(0);
}

.toGitHub-content img{
    max-width: 500px;
    height: auto;
    width: 100%;
    transition: var(--transition-std);
}

.github-link {
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
    opacity: 0;
    transform: translateX(50px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.github-link.visible {
    opacity: 1;
    transform: translateX(0);
}
.github-link a {
    color: var(--color-text);
    text-decoration: none;
    font-size: 3rem;
    padding: 0.75rem 1.5rem;
    font-weight: bold;
    transition: var(--transition-std);
    text-align: center;
    display: inline-block;
}
.github-link p {
    border: 1px solid var(--color-border);
    padding: 1rem;
    margin: 0;
    border-radius: 30px;
    display: inline-block;
    transition: var(--transition-std);
}

.github-link p:hover {
    background-color: var(--color-accent);
    box-shadow: 0 0 15px rgba(12, 93, 155, 0.5);
}

.toGitHub-content a :hover {
    transform: scale(1.05);
    transition: var(--transition-std);
}

/* =========================================
   8. RESPONSIVE DESIGN
   ========================================= */

/* Tablet */
@media (max-width: 1024px) {
    .top-bar,
    .bottom-bar, 
    .toGitHub {
        grid-template-columns: 1fr;
        min-height: auto;
        padding: var(--spacing-md) var(--container-padding);
        gap: var(--spacing-md);
    }
    
    .top-bar-image,
    .bottom-bar-image,
    .toGitHub-content {
        order: -1;
    }
    
    .connection {
        height: 200px;
    }
}

/* Mobile */
@media (max-width: 768px) {
    :root {
        --spacing-lg: 2rem;
        --spacing-xl: 3rem;
    }
    
    .top-bar,
    .bottom-bar {
        grid-template-columns: 1fr;
        gap: 1rem;
        padding: 1rem;
    }
    
    .top-bar-image img {
        transform: translateY(0);
        box-shadow: 5px 5px rgba(255, 255, 255, 0.2);
        max-width: 100%;
    }
    
    .bottom-bar-image img {
        transform: translateY(0);
        box-shadow: 5px 5px rgba(255, 255, 255, 0.2);
        max-width: 100%;
    }
    
    .bottom-bar-content {
        transform: translateX(0);
        padding: 1rem 0;
    }
    
    .image-desc,
    .image-desc-1 {
        font-size: 0.95rem;
        transform: translateY(0) !important;
        text-align: center;
    }
    
    .connection {
        height: 80px;
    }
    
    .go-back-container {
        padding: 15px;
    }
    
    .go-back {
        padding: 0.6rem 1rem;
        font-size: 0.85rem;
    }
    
    .toGitHub {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding: 2rem 1rem;
    }
    
    .toGitHub-content img {
        max-width: 200px;
    }
    
    .github-link a {
        font-size: 1.5rem;
    }
    
    .github-link p {
        padding: 0.75rem 1rem;
        font-size: 0.9rem;
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    :root {
        --spacing-md: 1rem;
        --spacing-lg: 1.5rem;
    }
    
    .top-bar,
    .bottom-bar,
    .toGitHub {
        padding: 0.75rem;
    }
    
    .image-desc,
    .image-desc-1 {
        font-size: 0.85rem;
    }
    
    .connection {
        height: 50px;
    }
    
    .toGitHub-content img {
        max-width: 150px;
    }
    
    .github-link a {
        font-size: 1.2rem;
    }
    
    .github-link p {
        padding: 0.5rem 0.75rem;
        font-size: 0.8rem;
    }
}

/* =========================================
   9. ERİŞİLEBİLİRLİK
   ========================================= */
*:focus-visible {
    outline: 3px solid var(--color-accent);
    outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}