/* ========================================================= */
/* TEMALAR */
/* ========================================================= */

/* Default Theme: Light Mode */
:root {
    --background-color: #f5f5f7;
    --text-color: #1d1d1f;
    --primary-glow: #7000FF;
    --terminal-bg: rgba(255, 255, 255, 0.7);
    --terminal-border: rgba(0, 0, 0, 0.1);
    --section-bg: #FFFFFF;
    --section-border: #EAEAEA;
    --section-shadow: rgba(0, 0, 0, 0.1);
    --paragraph-color: #333;
    --font-terminal: 'Courier New', Courier, monospace;
}

/* Dark Mode */
body.dark-mode {
    --background-color: #0A0A0A;
    --text-color: #E0E0E0;
    --primary-glow: #8A2BE2;
    --terminal-bg: rgba(10, 10, 10, 0.75);
    --terminal-border: rgba(224, 224, 224, 0.1);
    --section-bg: transparent;
    --section-border: rgba(224, 224, 224, 0.1);
    --section-shadow: var(--primary-glow);
    --paragraph-color: #b3b3b3;
}

/* ========================================================= */
/* GENEL STİLLER VE RESETLER */
/* ========================================================= */
html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    background-color: var(--background-color);
    color: var(--text-color);
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    margin: 0;
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Tema Değiştirme Butonu */
#theme-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    background: var(--terminal-bg);
    border: 1px solid var(--terminal-border);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    cursor: pointer;
    z-index: 999;
    overflow: hidden;
    transition: background-color 0.3s ease, border-color 0.3s ease;
    display: flex;
    justify-content: center;
    align-items: center;
}

#theme-toggle .sun-icon, #theme-toggle .moon-icon {
    font-size: 20px;
    position: absolute;
    transition: transform 0.2s ease-out, opacity 0.2s ease-out;
}

body.dark-mode .sun-icon { transform: translateY(0); opacity: 1; }
body.dark-mode .moon-icon { transform: translateY(100%); opacity: 0; }
body.light-mode .sun-icon { transform: translateY(-100%); opacity: 0; }
body.light-mode .moon-icon { transform: translateY(0); opacity: 1; }

/* Partikül Arka Planı */
#particle-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

/* ========================================================= */
/* HERO VE TERMİNAL */
/* ========================================================= */
#hero {
    display: flex;
    justify-content: center;
    align-items: center;
    height: var(--app-height, 100vh);
    padding: 1rem;
    box-sizing: border-box;
    position: relative;
    overflow: hidden;
}

/* YENİ EKLENEN KOD: Mobil klavye aktifken terminali sabitlemek için */
body.keyboard-active #hero {
    align-items: flex-start; /* Dikeyde ortalamayı durdur, üste yasla */
    padding-top: 5vh;        /* Ekranın en tepesine yapışmasın diye biraz boşluk ver */
    transition: padding-top 0.3s ease; /* Yumuşak bir geçiş için */
}

.terminal {
    width: 100%;
    max-width: 800px;
    background-color: var(--terminal-bg);
    border: 1px solid var(--terminal-border);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 10px 40px -10px var(--section-shadow);
    box-sizing: border-box;
    font-family: var(--font-terminal);
    transition: transform 0.6s ease-out, opacity 0.6s ease-out, box-shadow 0.6s ease-out, background-color 0.3s ease, border-color 0.3s ease;
    transform-origin: top center;
}

body.scrolled .terminal {
    transform: translateY(-200px) scale(0.6);
    opacity: 0;
    box-shadow: none;
    pointer-events: none;
}

#output {
    max-height: 25rem;
    overflow-y: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

#output::-webkit-scrollbar {
    display: none;
}

/* Scroll İndikatörü */
.scroll-down-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 40px;
    background-color: var(--text-color);
    opacity: 0.3;
    animation: bounce 2s infinite ease-in-out;
}

.scroll-down-indicator::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%) rotate(45deg);
    width: 10px;
    height: 10px;
    border-bottom: 2px solid var(--text-color);
    border-right: 2px solid var(--text-color);
}

@keyframes bounce {
    0%, 100% {
        transform: translateX(-50%) translateY(0);
        opacity: 1;
    }
    50% {
        transform: translateX(-50%) translateY(20px);
        opacity: 0.5;
    }
}

/* Terminal İçi Stiller */
#cursor {
    background-color: var(--text-color);
    width: 10px;
    box-shadow: 0 0 5px var(--text-color);
    animation: glow 2s infinite ease-in-out;
}

@keyframes glow {
    0% { box-shadow: 0 0 3px var(--text-color); }
    50% { box-shadow: 0 0 10px var(--text-color), 0 0 15px var(--text-color); }
    100% { box-shadow: 0 0 3px var(--text-color); }
}

.prompt-line {
    display: flex;
    align-items: center;
    margin-top: 1rem;
}

.terminal-input {
    background: transparent;
    border: none;
    color: var(--text-color);
    font-family: var(--font-terminal);
    font-size: inherit;
    width: 100%;
}

.terminal-input:focus {
    outline: none;
}

.send-button {
    background: var(--primary-glow);
    border: none;
    border-radius: 5px;
    padding: 0.5rem 0.8rem;
    margin-left: 10px;
    cursor: pointer;
    font-size: 1.2em;
    color: #FFF;
    transition: background-color 0.3s ease, transform 0.2s ease;
    box-shadow: 0 0 10px var(--primary-glow);
}

.send-button:hover {
    transform: scale(1.05);
}

.send-button:active {
    transform: scale(0.95);
}

/* Loader */
.loader span {
    display: inline-block;
    animation: blink 1.4s infinite both;
    font-size: 1.5em;
    font-weight: bold;
}

.loader span:nth-child(2) {
    animation-delay: 0.2s;
}

.loader span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes blink {
    0%, 80%, 100% { opacity: 0; }
    40% { opacity: 1; }
}

/* ========================================================= */
/* İÇERİK BÖLÜMLERİ */
/* ========================================================= */
.content-section {
    padding: 6rem 2rem;
    max-width: 800px;
    margin: 3rem auto;
    background-color: var(--section-bg);
    border: 1px solid var(--section-border);
    border-radius: 12px;
    box-shadow: 0 5px 20px -5px var(--section-shadow);
    transition: box-shadow 0.3s ease, transform 0.3s ease, background-color 0.3s ease, border-color 0.3s ease;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    min-height: 40vh;
}

.content-section:not(.dynamic-projects-section):hover {
    box-shadow: 0 8px 30px -8px var(--primary-glow);
    transform: translateY(-3px);
}

/* ScrollTrigger animasyonları için gizleme */
.content-section h2,
.content-section p,
.social-links,
.project-slogan,
.project-visual-container,
.project-details,
.project-navigation,
.section-title {
    opacity: 0;
    visibility: hidden;
}

.content-section h2 {
    font-size: 2.5em;
    text-align: center;
    margin-bottom: 3rem;
    font-weight: 600;
    color: transparent;
    background-image: linear-gradient(to top, #333333, #000000);
    -webkit-background-clip: text;
    background-clip: text;
    position: relative;
    padding-bottom: 1rem;
    padding-left: 0;
}
body.dark-mode .content-section h2 {
    background-image: linear-gradient(to top, #7d7d7d, #ffffff);
}
.content-section h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 2px;
    background-image: linear-gradient(to right, transparent, var(--primary-glow), transparent);
}

/* ========================================================= */
/* PROJELER BÖLÜMÜ */
/* ========================================================= */
.dynamic-projects-section {
    border: none;
    background: none;
    box-shadow: none;
}

.project-display-area {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

.project-visual-container {
    position: relative;
    max-width: 800px;
    width: 100%;
}

#project-main-image {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    transition: opacity 0.4s ease-in-out;
}

body.dark-mode #project-main-image {
    box-shadow: 0 10px 40px -10px var(--section-shadow);
}

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

#project-title {
    font-size: 2em;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

#project-description {
    font-size: 1.2em;
    color: var(--paragraph-color);
    max-width: 600px;
    margin-bottom: 1.5rem;
}

.project-navigation {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-top: 1rem;
}

.nav-button {
    background: transparent;
    border: 1px solid var(--terminal-border);
    color: var(--text-color);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    font-size: 1.5em;
    cursor: pointer;
    transition: background-color 0.2s, border-color 0.2s, color 0.2s;
}

.nav-button:hover {
    background-color: var(--primary-glow);
    border-color: var(--primary-glow);
    color: white;
}

.thumbnails-container {
    display: flex;
    gap: 10px;
}

.thumbnail {
    width: 80px;
    height: 50px;
    border-radius: 6px;
    border: 2px solid transparent;
    cursor: pointer;
    opacity: 0.5;
    transition: opacity 0.2s, border-color 0.2s, transform 0.2s;
    object-fit: cover;
}

.thumbnail:hover {
    opacity: 1;
    transform: scale(1.05);
}

.thumbnail.active {
    opacity: 1;
    border-color: var(--primary-glow);
}

/* ========================================================= */
/* İLETİŞİM VE SOSYAL BAĞLANTILAR */
/* ========================================================= */
.social-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 2rem;
}

.social-icon {
    width: 40px;
    height: 40px;
    color: var(--paragraph-color);
    transition: color 0.3s ease, transform 0.3s ease;
}

.social-icon:hover {
    color: var(--primary-glow);
    transform: scale(1.1) translateY(-3px);
}

.social-icon svg {
    width: 100%;
    height: 100%;
}

/* SİNEMATİK GİRİŞ EKRANI */
/* ========================================================= */
#entry-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--background-color);
    color: var(--text-color);
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    z-index: 1000;
    transition: opacity 0.8s ease-out;
    font-family: var(--font-terminal);
}

.overlay-content {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.glitch {
    font-size: 5rem;
    font-weight: 700;
    position: relative;
    color: var(--text-color);
    letter-spacing: 0.1em;
    animation: glitch-scan 4s infinite linear alternate;
}

.glitch::before,
.glitch::after {
    display: block;
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    opacity: 0.8;
}

.glitch::before {
    animation: glitch-anim 2s infinite linear alternate-reverse;
    color: #FF00E5; /* Pembe/Macenta Glitch */
    z-index: -1;
}

.glitch::after {
    animation: glitch-anim2 3s infinite linear alternate-reverse;
    color: #00FFFF; /* Cyan Glitch */
    z-index: -2;
}

body.light-mode .glitch::before { color: #FF3C82; }
body.light-mode .glitch::after { color: #4D9FFF; }

@keyframes glitch-scan {
    0%, 100% { clip-path: inset(0 0 98% 0); }
    20% { clip-path: inset(40% 0 58% 0); }
    40% { clip-path: inset(20% 0 18% 0); }
    60% { clip-path: inset(80% 0 5% 0); }
    80% { clip-path: inset(50% 0 45% 0); }
}
@keyframes glitch-anim {
    0% { transform: translate(-0.03em, -0.02em); }
    25% { transform: translate(0.02em, 0.03em); }
    50% { transform: translate(-0.03em, 0.02em); }
    75% { transform: translate(0.02em, -0.03em); }
    100% { transform: translate(-0.03em, -0.02em); }
}
@keyframes glitch-anim2 {
    0% { transform: translate(0.03em, 0.02em); }
    25% { transform: translate(-0.02em, -0.03em); }
    50% { transform: translate(0.03em, -0.02em); }
    75% { transform: translate(-0.02em, 0.03em); }
    100% { transform: translate(0.03em, 0.02em); }
}

#entry-status {
    font-size: 1.2rem;
    letter-spacing: 0.2em;
    margin-top: 1rem;
    opacity: 0.8;
    animation: blink 2s infinite ease-in-out;
}

#entry-button {
    background: transparent;
    border: 1px solid var(--text-color);
    color: var(--text-color);
    padding: 0.8rem 1.5rem;
    font-family: var(--font-terminal);
    font-size: 1rem;
    margin-top: 2rem;
    cursor: pointer;
    transition: all 0.3s ease;
    letter-spacing: 0.1em;
}

#entry-button:hover {
    background-color: var(--primary-glow);
    border-color: var(--primary-glow);
    color: #fff;
    box-shadow: 0 0 15px var(--primary-glow);
}

.hidden {
    opacity: 0;
    pointer-events: none;
}

/* ========================================================= */
/* MOBİL UYUMLULUK (MEDIA QUERIES) */
/* ========================================================= */
@media screen and (max-width: 800px) {
    
    .terminal {
        padding: 1rem; 
    }

    .content-section {
        padding: 4rem 1rem; 
        margin: 2rem auto;
    }

    .content-section h2 {
        font-size: 2em; 
        margin-bottom: 2rem;
    }

    .content-section p {
        font-size: 0.95em; 
        text-align: left; 
        padding: 0 1rem;
    }

    .project-display-area {
        gap: 1.5rem;
    }

    #project-title {
        font-size: 1.5em; 
    }

    .project-navigation {
        gap: 0.5rem;
    }

    .thumbnail {
        width: 60px; 
        height: 40px; 
    }

    #theme-toggle {
        top: 10px;
        right: 10px;
        width: 35px;
        height: 35px;
    }

    .glitch {
        font-size: 3rem;
    }

    #entry-status {
        font-size: 1rem;
    }
}
/* ============================================= */
/* PROJE: CATALYST İNDİRME STİLLERİ       */
/* ============================================= */
.download-section {
    text-align: center;
    margin: 120px auto;
    padding: 50px 30px;
    max-width: 800px;
    border: 1px solid rgba(106, 13, 173, 0.5); /* Koyu Mor Kenarlık */
    background: rgba(18, 16, 24, 0.8); /* Yarı Şeffaf Panel Arka Planı */
    position: relative;
}

.download-section h2 {
    font-size: 3em;
    margin-bottom: 10px;
    letter-spacing: 2px;
}

.download-section .purple-text {
    color: #A020F0; /* Ana Mor */
    opacity: 0.7;
    font-weight: normal;
}

.download-section .tagline {
    font-size: 1.2em;
    color: #E0E0E0;
    opacity: 0.8;
    margin-bottom: 40px;
}

.download-button {
    display: inline-flex; /* İkon ve metni hizalamak için */
    align-items: center;
    padding: 18px 35px;
    border: 2px solid #00BCD4; /* Turkuaz Kenarlık */
    color: #00BCD4;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.2em;
    transition: all 0.3s ease;
    letter-spacing: 1px;
    position: relative;
    overflow: hidden;
}

.download-button:hover {
    background-color: #00BCD4;
    color: #121018; /* Koyu Arka Plan Rengi */
    box-shadow: 0 0 30px #00BCD4, 0 0 10px #00BCD4 inset;
    transform: translateY(-3px);
}

.download-button svg {
    margin-right: 15px;
    transition: transform 0.3s ease;
}

.download-button:hover svg {
    transform: rotate(10deg) scale(1.1);
}