/* --- Temel Ayarlar ve Değişkenler --- */
:root {
    --primary-color: #00e6ff; /* Neon Mavi */
    --secondary-color: #3498db; /* Klasik Mavi */
    --accent-color: #ff6b6b; /* Kırmızımsı Vurgu */
    --background-color: #05050A; /* Çok Koyu Gri/Siyah */
    --background-light: #0D0D15; /* Biraz Açık Koyu Gri */
    --card-bg-color: rgba(255, 255, 255, 0.03); /* Daha şeffaf beyaz */
    --text-color: #e0e0e0; /* Açık Gri Yazı */
    --heading-color: #ffffff; /* Beyaz Başlık */
    --border-color: rgba(0, 230, 255, 0.15); /* Primary color'dan gelen hafif parlak kenarlık */
    --roadmap-done: #2ecc71; /* Yeşil */
    --roadmap-progress: #f1c40f; /* Sarı */
    --roadmap-planned: #bdc3c7; /* Açık Gri */
    --spacing-unit: 1.5rem; /* Genel boşluk birimi */

    /* Yeni ve Güncellenenler */
    --glow-1: 0 0 25px var(--primary-color), 0 0 50px var(--primary-color); /* Ana başlıklar, güçlü efektler */
    --glow-2: 0 0 15px var(--primary-color); /* Kart başlıkları, orta seviye efektler */
    --text-glow-light: 0 0 10px rgba(0, 230, 255, 0.5); /* Metinlerde hafif parıltı */
    --shadow-dark: 0 18px 50px rgba(0, 0, 0, 0.8); /* Daha derin gölge */
    --shadow-light: 0 10px 30px rgba(0, 230, 255, 0.3); /* Parlak elementler için hafif gölge */
    --transition-duration: 0.4s;
    --transition-timing: cubic-bezier(0.25, 0.46, 0.45, 0.94); /* Smooth cubic-bezier */

    --form-bg: rgba(13, 13, 21, 0.95); /* Formlar için daha koyu arka plan */
    --input-border: rgba(0, 230, 255, 0.3);
    --input-focus-border: var(--primary-color);
    --button-bg-gradient: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    --button-text-color: var(--background-color);
}

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: 'Oxanium', sans-serif;
    color: var(--text-color);
    background: var(--background-color);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-size: 1.15rem;
    position: relative;
}

/* Arka Plan Efektleri */
.bg-placeholder {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100vh;
    background-image: url('https://r.resimlink.com/dLRnbOmSAJ6.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    filter: brightness(0.2) contrast(1.5);
    z-index: -10;
}

body::before {
    content: '';
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    pointer-events: none;
    z-index: -9;
    background: radial-gradient(circle at 50% 50%, rgba(0, 230, 255, 0.04) 0%, transparent 40%),
                linear-gradient(90deg, rgba(0, 230, 255, 0.015) 1px, transparent 1px) 0 0 / 50px 50px,
                linear-gradient(rgba(0, 230, 255, 0.015) 1px, transparent 1px) 0 0 / 50px 50px;
    animation: background-pulse 15s infinite alternate ease-in-out;
}

@keyframes background-pulse {
    from { opacity: 0.9; }
    to { opacity: 1; }
}

.container {
    max-width: 1500px;
    margin: 0 auto;
    padding: 0 calc(var(--spacing-unit) * 2);
}

/* --- Navigasyon Menüsü --- */
.nav-bar {
    position: fixed;
    top: 0; left: 0;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: calc(var(--spacing-unit) * 1.2) calc(var(--spacing-unit) * 2.5);
    background-color: rgba(5, 5, 10, 0.85);
    backdrop-filter: blur(20px);
    z-index: 1000;
    border-bottom: 2px solid var(--border-color);
    transition: background-color var(--transition-duration) ease, padding var(--transition-duration) ease, box-shadow var(--transition-duration) ease;
}
.nav-bar.scrolled {
    padding: calc(var(--spacing-unit) * 0.8) calc(var(--spacing-unit) * 2);
    background-color: rgba(5, 5, 10, 0.98);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.6);
}
.logo img { height: 60px; transition: transform var(--transition-duration) var(--transition-timing), filter var(--transition-duration) var(--transition-timing); }
.logo img:hover { transform: scale(1.15); filter: drop-shadow(0 0 20px var(--primary-color)); }
.nav-links { display: flex; gap: calc(var(--spacing-unit) * 1.8); list-style: none; }
.nav-links a {
    font-family: 'Orbitron', sans-serif;
    color: var(--text-color);
    text-decoration: none;
    font-weight: 600;
    position: relative;
    padding-bottom: 10px;
    font-size: 1.15rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: color var(--transition-duration) var(--transition-timing), text-shadow var(--transition-duration) var(--transition-timing), transform 0.2s var(--transition-timing);
}
.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0;
    width: 0; height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transition: width var(--transition-duration) var(--transition-timing);
    box-shadow: 0 0 10px var(--primary-color);
}
.nav-links a:hover::after, .nav-links a.nav-active::after { width: 100%; }
.nav-links a:hover, .nav-links a.nav-active {
    color: var(--primary-color);
    text-shadow: 0 0 25px var(--primary-color);
    transform: translateY(-5px);
}

/* Auth Linkleri (Login/Register/Profile) */
.auth-links {
    display: flex;
    align-items: center;
    gap: calc(var(--spacing-unit) * 0.8);
    list-style: none;
    font-family: 'Orbitron', sans-serif;
    text-transform: uppercase;
    font-size: 1rem;
    font-weight: 600;
}
.auth-links a {
    color: var(--primary-color);
    text-decoration: none;
    padding: 8px 15px;
    border: 2px solid var(--primary-color);
    border-radius: 8px;
    transition: all var(--transition-duration) var(--transition-timing);
    text-shadow: 0 0 5px var(--primary-color);
}
.auth-links a:hover {
    background-color: var(--primary-color);
    color: var(--background-color);
    box-shadow: 0 0 15px var(--primary-color);
    transform: translateY(-3px);
}
.auth-links .welcome-text {
    color: var(--text-color);
    font-size: 1.1rem;
    margin-right: 10px;
    white-space: nowrap; /* Metnin tek satırda kalmasını sağlar */
}
.auth-links .profile-link {
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    border: none;
    color: var(--background-color);
    padding: 10px 20px;
    text-shadow: none;
    box-shadow: 0 0 10px rgba(0,230,255,0.5);
}
.auth-links .profile-link:hover {
    filter: brightness(1.2);
    box-shadow: 0 0 20px var(--primary-color);
}
.auth-links .logout-link {
    background-color: transparent;
    border: 2px solid var(--accent-color);
    color: var(--accent-color);
    text-shadow: 0 0 5px var(--accent-color);
}
.auth-links .logout-link:hover {
    background-color: var(--accent-color);
    color: var(--background-color);
    box-shadow: 0 0 15px var(--accent-color);
}


/* Hamburger Menü (Mobil) */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 6px;
    z-index: 1001;
}
.hamburger span {
    width: 35px;
    height: 4px;
    background-color: var(--primary-color);
    border-radius: 5px;
    transition: all 0.3s ease-in-out;
}
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(8px, 8px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(8px, -8px); }

/* --- Ana Bölüm (Hero) --- */
.hero {
    min-height: 90vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 18vh 0 10rem 0;
    position: relative;
    overflow: hidden;
    background-image: url('https://r.resimlink.com/dLRnbOmSAJ6.png'); /* Bu görseli kendi görselinizle güncelleyin */
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    background-blend-mode: multiply;
    background-color: rgba(5,5,10,0.7);
    z-index: 1;
    box-shadow: inset 0 -50px 80px rgba(0,0,0,0.6);
}
.hero::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: linear-gradient(180deg, rgba(5,5,10,0.8) 0%, rgba(5,5,10,0.4) 50%, rgba(5,5,10,0.8) 100%);
    z-index: -1;
}

.hero h1 {
    font-family: 'Orbitron', sans-serif;
    font-size: 7.5rem;
    font-weight: 900;
    color: var(--heading-color);
    text-transform: uppercase;
    letter-spacing: 10px;
    text-shadow: var(--glow-1);
    margin-bottom: calc(var(--spacing-unit) * 1.5);
    animation: fadeInTop 1.8s var(--transition-timing);
    z-index: 2;
    /* Hero Başlık Ortalaması İçin */
    display: inline-block; /* Metnin kendi genişliğini almasını sağlar */
    white-space: nowrap; /* Metnin tek satırda kalmasını sağlar */
    transform: translateX(0); /* Varsayılan konum */
    transition: transform 0.5s ease-out; /* Animasyon için */
}

/* Resimdeki görsel ortalamasını sağlamak için */
.hero .container {
    display: flex;
    flex-direction: column;
    align-items: center; /* İçeriği yatayda ortala */
    text-align: center;
}
.hero p {
    font-size: 2.1rem;
    max-width: 1000px;
    color: #d0d0d0;
    text-shadow: 0 0 15px rgba(0, 0, 0, 0.9);
    margin-bottom: calc(var(--spacing-unit) * 3);
    animation: fadeIn 2s var(--transition-timing) 0.6s forwards;
    opacity: 0;
    z-index: 2;
}
.hero-buttons {
    display: flex;
    gap: 2rem;
    z-index: 2;
    flex-wrap: wrap;
    justify-content: center;
    animation: fadeIn 2s var(--transition-timing) 1s forwards;
    opacity: 0;
}

.download-button, .explore-button {
    display: inline-flex;
    align-items: center;
    gap: 20px;
    color: var(--background-color);
    padding: 2rem 5.5rem;
    border-radius: 18px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.6rem;
    transition: all var(--transition-duration) var(--transition-timing);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.8);
    text-transform: uppercase;
    letter-spacing: 2px;
    border: none;
    overflow: hidden;
    position: relative;
    cursor: pointer;
    isolation: isolate;
}

.download-button {
    background: var(--button-bg-gradient);
}

.explore-button {
    background: transparent;
    border: 3px solid var(--primary-color);
    color: var(--primary-color);
    box-shadow: var(--shadow-light);
}

.download-button::before, .explore-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -120%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.5), transparent);
    transition: all 0.8s ease-in-out;
    transform: skewX(-20deg);
    z-index: -1;
}
.download-button:hover::before, .explore-button:hover::before { left: 120%; }

.download-button:hover {
    transform: translateY(-12px) scale(1.1);
    box-shadow: 0 20px 60px rgba(0, 230, 255, 0.9);
    filter: brightness(1.1);
}
.explore-button:hover {
    transform: translateY(-12px) scale(1.1);
    background-color: var(--primary-color);
    color: var(--background-color);
    border-color: var(--primary-color);
    box-shadow: 0 20px 60px rgba(0, 230, 255, 0.9);
    filter: brightness(1.1);
}

.download-button i, .explore-button i { font-size: 1.8rem; }

.scroll-down-arrow {
    position: absolute;
    bottom: 50px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 3.5rem;
    color: rgba(255, 255, 255, 0.9);
    animation: bounce 2.2s infinite, arrow-glow 1.5s infinite alternate;
    text-shadow: 0 0 18px var(--primary-color), 0 0 10px rgba(255,255,255,0.7);
    z-index: 2;
}
@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translate(-50%, 0); }
    40% { transform: translate(-50%, -30px); }
    60% { transform: translate(-50%, -18px); }
}
@keyframes arrow-glow {
    from { text-shadow: 0 0 18px var(--primary-color), 0 0 10px rgba(255,255,255,0.7); }
    to { text-shadow: 0 0 25px var(--primary-color), 0 0 15px rgba(255,255,255,0.9); }
}
@keyframes fadeInTop {
    from { opacity: 0; transform: translateY(-100px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* --- Genel Bölüm ve Başlık Stilleri --- */
.section {
    padding: 9rem 0;
    position: relative;
    z-index: 2;
    background-color: var(--background-color);
    border-top: 2px solid var(--border-color);
}
.section-light { background-color: var(--background-light); }
.section-title {
    font-family: 'Orbitron', sans-serif;
    font-size: 5.5rem;
    font-weight: 800;
    text-align: center;
    color: var(--heading-color);
    margin-bottom: calc(var(--spacing-unit) * 3.5);
    text-transform: uppercase;
    letter-spacing: 5px;
    position: relative;
    padding-bottom: 2rem;
    text-shadow: var(--glow-1);
}
.section-title::after {
    content: ''; display: block;
    width: 150px; height: 6px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    margin: 1.8rem auto 0;
    border-radius: 4px;
    position: absolute;
    bottom: 0; left: 50%;
    transform: translateX(-50%);
    box-shadow: 0 0 18px var(--primary-color);
}

/* Kaydırma Animasyonu */
.fade-in-section {
    opacity: 0;
    transform: translateY(70px);
    transition: opacity 1.2s var(--transition-timing), transform 1.2s var(--transition-timing);
}
.fade-in-section.visible {
    opacity: 1;
    transform: translateY(0);
}

/* --- Hakkında Bölümü --- */
.about-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: calc(var(--spacing-unit) * 2.5); }
.about-card {
    background-color: var(--card-bg-color);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: calc(var(--spacing-unit) * 2.5);
    box-shadow: var(--shadow-dark);
    transition: transform var(--transition-duration) var(--transition-timing), box-shadow var(--transition-duration) var(--transition-timing), border-color var(--transition-duration) var(--transition-timing);
    backdrop-filter: blur(12px);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
    overflow: hidden;
    aspect-ratio: 1 / 1;
    min-height: 350px;
    z-index: 1;
}
.about-card::before, .about-card::after {
    content: '';
    position: absolute;
    width: 45px; height: 45px;
    border-color: var(--primary-color);
    border-style: solid;
    border-width: 3px;
    transition: all var(--transition-duration) var(--transition-timing);
    box-shadow: 0 0 18px rgba(0, 230, 255, 0.5);
}
.about-card::before { top: 0; left: 0; border-right: none; border-bottom: none; }
.about-card::after { bottom: 0; right: 0; border-left: none; border-top: none; }

.about-card:hover::before, .about-card:hover::after {
    width: 60px; height: 60px;
    border-color: var(--secondary-color);
    box-shadow: 0 0 30px var(--secondary-color);
}

.about-card:hover {
    transform: translateY(-25px);
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.9), var(--glow-1);
    border-color: var(--primary-color);
}
.about-card h3 {
    font-size: 2.2rem;
    color: var(--primary-color);
    margin-bottom: calc(var(--spacing-unit) * 1.2);
    display: flex;
    align-items: center;
    gap: 18px;
    text-shadow: var(--text-glow-light);
    text-transform: uppercase;
}
.about-card h3 i {
    font-size: 2.8rem;
    color: var(--secondary-color);
    text-shadow: var(--text-glow-light);
}
.about-card p { font-size: 1.15rem; color: #c0c0c0; }
.about-card a {
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: calc(var(--spacing-unit) * 1.8);
    position: relative;
    padding-bottom: 4px;
    font-size: 1.1rem;
    transition: color var(--transition-duration) var(--transition-timing), text-shadow var(--transition-duration) var(--transition-timing);
}
.about-card a i { font-size: 1.1rem; transition: transform var(--transition-duration) var(--transition-timing); }
.about-card a:hover i { transform: translateX(8px); }
.about-card a::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0;
    width: 0; height: 2px;
    background-color: var(--secondary-color);
    transition: width var(--transition-duration) var(--transition-timing);
}
.about-card a:hover::after { width: 100%; background-color: var(--primary-color); }
.about-card a:hover { color: var(--primary-color); text-shadow: 0 0 10px var(--primary-color); }

/* --- Özellikler Bölümü --- */
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(350px, 1fr)); gap: calc(var(--spacing-unit) * 2.5); }
.feature-item {
    text-align: center; padding: calc(var(--spacing-unit) * 2.5);
    background-color: var(--card-bg-color);
    border-radius: 12px;
    border: 2px solid var(--border-color);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
    transition: transform var(--transition-duration) var(--transition-timing), box-shadow var(--transition-duration) var(--transition-timing), background-color var(--transition-duration) var(--transition-timing), border-color var(--transition-duration) var(--transition-timing);
    position: relative;
    overflow: hidden;
    z-index: 1;
}
.feature-item::before {
    content: '';
    position: absolute;
    top: -2px; left: -2px; right: -2px; bottom: -2px;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    z-index: -1;
    filter: blur(10px);
    opacity: 0;
    transition: opacity var(--transition-duration) var(--transition-timing);
}
.feature-item:hover::before { opacity: 1; }
.feature-item:hover {
    transform: scale(1.05);
    box-shadow: 0 20px 50px rgba(0, 230, 255, 0.5), var(--glow-2);
    background-color: rgba(255, 255, 255, 0.09);
    border-color: transparent;
}
.feature-item i {
    font-size: 5rem;
    color: var(--primary-color);
    margin-bottom: calc(var(--spacing-unit) * 1.8);
    text-shadow: var(--glow-1);
    transition: color var(--transition-duration) var(--transition-timing), transform var(--transition-duration) var(--transition-timing);
}
.feature-item:hover i { color: var(--secondary-color); transform: rotateY(20deg) scale(1.1); }
.feature-item h3 { font-size: 2.2rem; margin-bottom: var(--spacing-unit); color: var(--heading-color); text-transform: uppercase; text-shadow: var(--text-glow-light); }
.feature-item p { font-size: 1.1rem; color: #c0c0c0; }

/* Orvix ile Yapılanlar Bölümü */
.showcase-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(380px, 1fr)); gap: calc(var(--spacing-unit) * 2); }
.game-card {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.8);
    transition: transform var(--transition-duration) var(--transition-timing), box-shadow var(--transition-duration) var(--transition-timing), border-color var(--transition-duration) var(--transition-timing);
    cursor: pointer;
    border: 2px solid transparent;
    background-color: var(--background-light);
}
.game-card:hover {
    transform: scale(1.04);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.98), var(--glow-1);
    border-color: var(--primary-color);
}
.game-card img {
    width: 100%; height: 300px;
    object-fit: cover;
    display: block;
    transition: transform 0.6s var(--transition-timing), filter 0.6s var(--transition-timing);
}
.game-card:hover img { transform: scale(1.25); filter: brightness(0.5); }
.game-card-overlay {
    position: absolute;
    bottom: 0; left: 0; right: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.99) 0%, rgba(0,0,0,0) 100%);
    padding: calc(var(--spacing-unit) * 2.5) calc(var(--spacing-unit) * 1.5);
    color: #fff;
    transform: translateY(100%);
    opacity: 0;
    transition: transform 0.5s var(--transition-timing), opacity 0.5s var(--transition-timing);
    text-align: left;
}
.game-card:hover .game-card-overlay { transform: translateY(0); opacity: 1; }
.game-card-overlay h3 { font-size: 1.8rem; margin-bottom: var(--spacing-unit); color: var(--primary-color); text-shadow: var(--text-glow-light); }
.game-card-overlay p { font-size: 1.05rem; color: #bbb; }

/* Yol Haritası Bölümü */
.roadmap-timeline {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
    padding: calc(var(--spacing-unit) * 2) 0;
}
.roadmap-timeline::after {
    content: '';
    position: absolute;
    width: 8px;
    background: linear-gradient(to bottom, var(--primary-color), var(--secondary-color));
    top: 0; bottom: 0;
    left: 50%;
    margin-left: -4px;
    z-index: 1;
    box-shadow: 0 0 20px var(--primary-color);
}
.roadmap-item {
    padding: 3rem 4rem;
    position: relative;
    width: 50%;
    z-index: 2;
}
.roadmap-item:nth-child(odd) {
    left: 0;
    text-align: right;
    padding-right: 7rem;
}
.roadmap-item:nth-child(even) {
    left: 50%;
    padding-left: 7rem;
}
.roadmap-item::after {
    content: '';
    position: absolute;
    width: 30px; height: 30px;
    background-color: var(--background-light);
    border: 6px solid var(--primary-color);
    border-radius: 50%;
    z-index: 3;
    top: 55px;
    box-shadow: 0 0 20px rgba(0, 230, 255, 0.6);
    transition: border-color var(--transition-duration) var(--transition-timing), background-color var(--transition-duration) var(--transition-timing), transform var(--transition-duration) var(--transition-timing), box-shadow var(--transition-duration) var(--transition-timing);
}
.roadmap-item:nth-child(odd)::after { right: -15px; }
.roadmap-item:nth-child(even)::after { left: -15px; }

/* Durum bazlı nokta renkleri */
.roadmap-item:has(.status-done)::after {
    border-color: var(--roadmap-done);
    background-color: var(--roadmap-done);
    box-shadow: 0 0 25px var(--roadmap-done);
}
.roadmap-item:has(.status-progress)::after {
    border-color: var(--roadmap-progress);
    background-color: var(--roadmap-progress);
    box-shadow: 0 0 25px var(--roadmap-progress);
}
.roadmap-item:has(.status-planned)::after {
    border-color: var(--roadmap-planned);
    background-color: var(--background-light);
    box-shadow: 0 0 15px rgba(189, 195, 199, 0.7);
}

.roadmap-item:hover::after {
    transform: scale(1.3);
    border-color: var(--secondary-color);
    background-color: var(--primary-color);
    box-shadow: 0 0 30px var(--primary-color);
}

.roadmap-content {
    padding: calc(var(--spacing-unit) * 1.8);
    background: var(--card-bg-color);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    position: relative;
    box-shadow: 0 10px 25px rgba(0,0,0,0.5);
    transition: transform var(--transition-duration) var(--transition-timing), box-shadow var(--transition-duration) var(--transition-timing), border-color var(--transition-duration) var(--transition-timing);
}
.roadmap-item:hover .roadmap-content {
    transform: translateY(-12px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.8), var(--glow-2);
    border-color: var(--secondary-color);
}
.roadmap-content h3 {
    color: var(--heading-color);
    font-size: 1.7rem;
    margin-bottom: var(--spacing-unit);
    text-shadow: var(--text-glow-light);
}
.roadmap-content p { font-size: 1.05rem; color: #c0c0c0; }
.roadmap-status {
    display: inline-block;
    padding: 0.4rem 1.2rem;
    border-radius: 25px;
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--background-color);
    margin-top: calc(var(--spacing-unit) * 1.2);
    text-transform: uppercase;
    box-shadow: 0 4px 10px rgba(0,0,0,0.5);
    transition: background-color var(--transition-duration) var(--transition-timing), color var(--transition-duration) var(--transition-timing);
}
.status-done { background-color: var(--roadmap-done); }
.status-progress { background-color: var(--roadmap-progress); }
.status-planned { background-color: var(--roadmap-planned); color: #333; }

/* --- Başlarken Bölümü --- */
.getting-started-grid { display: flex; justify-content: space-around; gap: calc(var(--spacing-unit) * 3); flex-wrap: wrap; }
.step {
    flex-basis: 30%;
    text-align: center;
    padding: calc(var(--spacing-unit) * 3);
    position: relative;
    background: var(--card-bg-color);
    border-radius: 15px;
    border: 2px solid var(--border-color);
    box-shadow: 0 12px 35px rgba(0,0,0,0.6);
    transition: transform var(--transition-duration) var(--transition-timing), box-shadow var(--transition-duration) var(--transition-timing), border-color var(--transition-duration) var(--transition-timing);
    overflow: hidden;
    z-index: 1;
}
.step:hover {
    transform: translateY(-18px);
    box-shadow: 0 25px 60px rgba(0,0,0,0.9), var(--glow-1);
    border-color: var(--primary-color);
}
.step::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: radial-gradient(circle at 50% 0, rgba(0, 230, 255, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.5s ease;
    z-index: -1;
}
.step:hover::before { opacity: 1; }

.step-number {
    font-family: 'Orbitron', sans-serif;
    font-size: 7.5rem;
    font-weight: 900;
    color: rgba(0, 230, 255, 0.08);
    position: absolute; top: 0; left: 50%;
    transform: translateX(-50%);
    z-index: -1;
    transition: color var(--transition-duration) var(--transition-timing);
}
.step:hover .step-number { color: rgba(0, 230, 255, 0.25); }
.step h3 {
    font-size: 2.5rem;
    margin: calc(var(--spacing-unit) * 1.8) 0 var(--spacing-unit) 0;
    color: var(--primary-color);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    text-shadow: var(--text-glow-light);
}
.step p { font-size: 1.1rem; color: #c0c0c0; }

/* --- Topluluk & Yorumlar Bölümü --- */
.testimonials-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(380px, 1fr)); gap: calc(var(--spacing-unit) * 2); }
.testimonial-card {
    background: var(--card-bg-color);
    border-left: 10px solid var(--primary-color);
    padding: calc(var(--spacing-unit) * 2);
    border-radius: 12px;
    backdrop-filter: blur(10px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.5);
    transition: transform var(--transition-duration) var(--transition-timing), box-shadow var(--transition-duration) var(--transition-timing), border-color var(--transition-duration) var(--transition-timing);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
.testimonial-card:hover {
    transform: translateY(-12px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.8), 0 0 20px var(--primary-color);
    border-color: var(--secondary-color);
}
.testimonial-card p { font-style: italic; margin-bottom: var(--spacing-unit); color: #d0d0d0; font-size: 1.1rem; }
.testimonial-author {
    font-weight: 700;
    color: var(--heading-color);
    font-size: 1.3rem;
    margin-top: auto;
    text-shadow: 0 0 10px rgba(255,255,255,0.3);
}
.testimonial-author::before { content: "— "; color: var(--secondary-color); }

/* --- Harekete Geçirici Mesaj (CTA) --- */
.cta-section {
    background: linear-gradient(45deg, rgba(0, 230, 255, 0.25), rgba(52, 152, 219, 0.3));
    padding: 7rem 4rem;
    text-align: center;
    border-radius: 30px;
    margin: calc(var(--spacing-unit) * 5) auto;
    border: 2px solid var(--border-color);
    box-shadow: 0 20px 60px rgba(0, 230, 255, 0.6);
    max-width: 1200px;
    position: relative;
    overflow: hidden;
    z-index: 1;
}
.cta-section::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: radial-gradient(circle at 10% 20%, rgba(0, 230, 255, 0.07) 0%, transparent 60%),
                radial-gradient(circle at 90% 80%, rgba(52, 152, 219, 0.07) 0%, transparent 60%);
    z-index: -1;
    opacity: 0.8;
    animation: cta-pulse 4s infinite alternate ease-in-out;
}
@keyframes cta-pulse {
    from { transform: scale(1); opacity: 0.8; }
    to { transform: scale(1.01); opacity: 1; }
}

.cta-section h2 {
    font-family: 'Orbitron', sans-serif;
    font-size: 4.5rem;
    margin-bottom: calc(var(--spacing-unit) * 1.8);
    color: var(--heading-color);
    text-shadow: var(--glow-1);
    line-height: 1.2;
    letter-spacing: 2px;
}
.cta-section p {
    font-size: 1.45rem;
    max-width: 900px;
    margin: 0 auto calc(var(--spacing-unit) * 3) auto;
    color: var(--text-color);
}

/* --- Footer --- */
footer {
    text-align: center;
    padding: 6rem 0 3rem 0;
    background-color: var(--background-light);
    border-top: 2px solid var(--border-color);
    color: #999; font-size: 1rem;
    position: relative;
    z-index: 2;
}
.social-links { margin-bottom: calc(var(--spacing-unit) * 1.8); }
.social-links a {
    color: #bbb;
    font-size: 2.8rem;
    margin: 0 calc(var(--spacing-unit) * 1);
    transition: color var(--transition-duration) var(--transition-timing), transform var(--transition-duration) var(--transition-timing), text-shadow var(--transition-duration) var(--transition-timing);
}
.social-links a:hover {
    color: var(--primary-color);
    transform: scale(1.5) translateY(-8px);
    text-shadow: 0 0 25px var(--primary-color);
}
footer p { margin-bottom: 1rem; }
footer a { color: #999; text-decoration: none; transition: color var(--transition-duration) var(--transition-timing); }
footer a:hover { color: var(--primary-color); }

/* --- Mobil Uyumluluk --- */
/* Genel mobil ayarlarını daha agresif hale getirdik */
@media (max-width: 1400px) {
    .hero h1 { font-size: 6.5rem; letter-spacing: 8px; }
    .hero p { font-size: 1.9rem; }
    .section-title { font-size: 4.5rem; letter-spacing: 4px; }
    .download-button, .explore-button { padding: 1.8rem 4.5rem; font-size: 1.4rem; }
    .cta-section h2 { font-size: 4rem; }
    .cta-section p { font-size: 1.3rem; }
}

@media (max-width: 1200px) {
    .hero h1 { font-size: 5.5rem; letter-spacing: 6px; }
    .hero p { font-size: 1.7rem; }
    .section-title { font-size: 3.8rem; letter-spacing: 3px; }
    .nav-links { gap: var(--spacing-unit); }
    .about-card h3 { font-size: 2rem; }
    .feature-item h3 { font-size: 2rem; }
    .game-card img { height: 280px; }
    .cta-section h2 { font-size: 3.5rem; }
    .cta-section p { font-size: 1.2rem; }
}

/* TABLET VE KÜÇÜK LAPTOPLAR (992px) için ana ayarlamalar */
@media (max-width: 992px) {
    .nav-bar { padding: var(--spacing-unit) calc(var(--spacing-unit) * 1.5); }
    /* Navigasyon linkleri ve auth-links aynı hamburger menüye girecek */
    .nav-links, .auth-links {
        display: none; /* Varsayılan olarak gizli */
        flex-direction: column;
        position: fixed;
        top: 0;
        /* Mobil menü sağdan veya soldan açılabilir. Sağdan açılması daha yaygın. */
        right: -100%; /* Başlangıçta ekran dışı */
        width: 80%; /* Mobil menü genişliği */
        height: 100%;
        background-color: rgba(5, 5, 10, 0.98);
        backdrop-filter: blur(25px);
        padding-top: 100px; /* Logo ve hamburger altına insin */
        align-items: center;
        gap: 2.8rem;
        transition: right 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.8);
    }
    .nav-links.active, .auth-links.active {
        display: flex;
        right: 0; /* Menü açıldığında */
    }
    .nav-links a, .auth-links a { font-size: 1.5rem; padding: 15px 0; width: 90%; text-align: center; }
    .auth-links .welcome-text { font-size: 1.1rem; margin-right: 0; margin-bottom: 1rem; } /* Alt alta gelsin */
    .auth-links .profile-link, .auth-links .logout-link { width: 80%; padding: 12px 0; } /* Butonlar mobil genişliğine uysun */

    .hamburger { display: flex; } /* Hamburger ikonu görünür */

    .hero { padding-top: 15vh; padding-bottom: 8rem; }
    .hero h1 { font-size: 4.5rem; letter-spacing: 4px; line-height: 1.1; } /* Satır yüksekliği ayarı */
    .hero p { font-size: 1.6rem; max-width: 90%; }
    .hero-buttons { flex-direction: column; gap: 1.8rem; align-items: center; }
    .download-button, .explore-button { padding: 1.6rem 4rem; font-size: 1.35rem; width: 90%; max-width: 450px;}
    .scroll-down-arrow { font-size: 3.2rem; bottom: 45px; }
    .section { padding: 7rem 0; }
    .section-title { font-size: 3.5rem; letter-spacing: 3px; margin-bottom: 3.5rem; }
    .section-title::after { width: 130px; height: 5px; margin: 1.8rem auto 0; }

    .about-grid, .features-grid, .showcase-grid, .testimonials-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); /* Daha küçük kartlar */
        gap: calc(var(--spacing-unit) * 1.8);
    }
    .about-card { padding: calc(var(--spacing-unit) * 2); min-height: 280px; } /* Küçült */
    .about-card h3 { font-size: 1.8rem; }
    .about-card h3 i { font-size: 2.2rem; }
    .feature-item i { font-size: 4rem; } /* Küçült */
    .feature-item h3 { font-size: 1.8rem; }
    .game-card img { height: 240px; } /* Küçült */
    .game-card-overlay h3 { font-size: 1.6rem; }

    .roadmap-timeline::after { left: 50%; } /* Ortada kalmaya devam etsin */
    .roadmap-item {
        width: 100%; /* Tam genişlik */
        left: 0; /* Sola hizala */
        padding-left: calc(var(--spacing-unit) * 2.5); /* Yeni çizgiye göre boşluk */
        padding-right: var(--spacing-unit); /* Sağdan boşluk */
        text-align: left; /* Sola hizalı metin */
    }
    .roadmap-item:nth-child(odd)::after, .roadmap-item:nth-child(even)::after {
        left: calc(var(--spacing-unit) * 1.5); /* Çizgiye göre pozisyonla */
        right: auto;
    }
    .roadmap-item::after { top: 40px; width: 24px; height: 24px; border-width: 4px; } /* Küçült */
    .roadmap-content { padding: 1.6rem; }
    .roadmap-content h3 { font-size: 1.4rem; }
    .roadmap-status { font-size: 0.85rem; padding: 0.5rem 1.2rem; }

    .cta-section h2 { font-size: 3.5rem; }
    .cta-section p { font-size: 1.3rem; }
    .step-number { font-size: 6rem; } /* Küçült */
}

/* DİKEY TABLET VE BÜYÜK TELEFONLAR (768px) için ana ayarlamalar */
@media (max-width: 768px) {
    .nav-bar { padding: var(--spacing-unit) 1rem; } /* Yan boşlukları daha da küçült */
    .logo img { height: 45px; } /* Logoyu küçült */
    .hamburger span { width: 30px; height: 3px; } /* Hamburger ikonunu küçült */
    .nav-links, .auth-links {
        width: 100%; /* Menü tam ekran genişliğinde */
        padding-top: 80px; /* Daha az padding */
        gap: 2rem; /* Boşlukları küçült */
    }
    .nav-links a, .auth-links a { font-size: 1.3rem; padding: 10px 0; } /* Linkleri küçült */
    .auth-links .profile-link, .auth-links .logout-link { width: 90%; padding: 10px 0; }

    .hero { padding-top: 12vh; padding-bottom: 6rem; } /* Hero boşluklarını ayarla */
    .hero h1 { font-size: 3.5rem; letter-spacing: 2px; line-height: 1.05; }
    .hero p { font-size: 1.2rem; margin-bottom: 2rem; max-width: 95%; }
    .hero-buttons { gap: 1.5rem; }
    .download-button, .explore-button { padding: 1.2rem 2.8rem; font-size: 1.1rem; gap: 10px; border-radius: 12px; }
    .download-button i, .explore-button i { font-size: 1.4rem; }
    .scroll-down-arrow { font-size: 2.8rem; bottom: 30px; }
    .section { padding: 5rem 0; }
    .section-title { font-size: 2.8rem; margin-bottom: 2.5rem; letter-spacing: 2px; }
    .section-title::after { width: 100px; height: 4px; margin: 1.2rem auto 0; }

    .about-grid, .features-grid, .showcase-grid, .testimonials-grid {
        grid-template-columns: 1fr; /* Tek sütunlu düzen */
        gap: calc(var(--spacing-unit) * 1.5);
    }
    .about-card, .feature-item, .game-card, .testimonial-card {
        max-width: 450px; /* Tek sütunda maksimum genişlik */
        margin: 0 auto; /* Ortala */
        width: 95%; /* Kenarlara yaslanmasın */
        min-height: auto; /* Yüksekliği içeriğe bırak */
    }
    .about-card { padding: 1.5rem; }
    .about-card h3 { font-size: 1.6rem; }
    .about-card h3 i { font-size: 2rem; }
    .feature-item i { font-size: 3.5rem; }
    .feature-item h3 { font-size: 1.6rem; }
    .game-card img { height: 200px; }
    .game-card-overlay { padding: 1.8rem 1.2rem; }
    .game-card-overlay h3 { font-size: 1.4rem; }
    .roadmap-timeline::after { left: 25px; } /* Çizgiyi sola kaydır */
    .roadmap-item {
        padding: 1.8rem 10px 1.8rem 50px; /* Soldan boşluğu azalt */
    }
    .roadmap-item:nth-child(odd)::after, .roadmap-item:nth-child(even)::after {
        left: 15px; /* Çizgiye yaklaştır */
    }
    .roadmap-item::after { top: 35px; width: 20px; height: 20px; border-width: 3px; }
    .roadmap-content { padding: 1.4rem; }
    .roadmap-content h3 { font-size: 1.3rem; }
    .roadmap-status { font-size: 0.8rem; padding: 0.4rem 1rem; }

    .getting-started-grid {
        flex-direction: column; /* Alt alta sırala */
        gap: calc(var(--spacing-unit) * 2);
    }
    .step {
        flex-basis: auto; /* Otomatik genişlik */
        width: 95%; /* Maksimum genişlik */
        max-width: 400px; /* Ortala */
        margin: 0 auto;
        padding: calc(var(--spacing-unit) * 2);
    }
    .step-number { font-size: 5.5rem; }
    .step h3 { font-size: 2rem; margin: calc(var(--spacing-unit) * 1.2) 0 var(--spacing-unit) 0; }

    .cta-section { padding: 5rem 2rem; margin: 3.5rem auto; }
    .cta-section h2 { font-size: 2.8rem; }
    .cta-section p { font-size: 1.1rem; margin-bottom: 2.5rem; }
    .social-links a { font-size: 2.2rem; margin: 0 0.8rem; }
    footer { padding: 4rem 0 2rem 0; font-size: 0.9rem; }

    /* Login/Register/Profile Formları için Genel Ayar */
    .form-container {
        padding: 3rem 2rem;
        max-width: 95%; /* Mobil cihazlarda daha geniş olsun */
        gap: 1.5rem;
    }
    .form-container h2 {
        font-size: 2.5rem;
        margin-bottom: 1.5rem;
    }
    .form-container .message {
        padding: 0.8rem;
        font-size: 0.9rem;
    }
    .input-group label,
    .input-group input,
    .input-group button[type="submit"] {
        font-size: 1rem;
        padding: 1rem 1.2rem;
    }
    .profile-picture-container {
        width: 90px;
        height: 90px;
        border-width: 2px;
    }
    .profile-picture-container i.fa-user {
        font-size: 3rem;
    }
    .profile-upload-form button[type="submit"] {
        padding: 0.7rem 1.2rem;
        font-size: 0.95rem;
    }
    .profile-info p, .profile-info .account-token {
        font-size: 0.95rem;
    }
    .profile-info .token-refresh-btn {
        font-size: 0.75rem;
        padding: 0.4rem 0.7rem;
    }
    .form-container h3 {
        font-size: 1.6rem;
    }
    .delete-account-btn {
        padding: 1rem 1.8rem;
        font-size: 1rem;
    }
    .password-toggle {
        right: 0.5rem;
        font-size: 0.9rem;
    }
}

/* KÜÇÜK TELEFONLAR (480px) için son ayarlamalar */
@media (max-width: 480px) {
    .nav-bar { padding: 0.8rem 0.8rem; }
    .logo img { height: 40px; }
    .hamburger span { width: 28px; height: 3px; }
    .nav-links, .auth-links {
        padding-top: 60px; /* Daha az padding */
        gap: 1.5rem; /* Boşlukları daha da küçült */
    }
    .nav-links a, .auth-links a { font-size: 1.1rem; padding: 8px 0; }
    .auth-links .profile-link, .auth-links .logout-link { width: 95%; padding: 8px 0; }

    .hero { padding-top: 10vh; padding-bottom: 4rem; }
    .hero h1 { font-size: 2.8rem; letter-spacing: 1px; line-height: 1; }
    .hero p { font-size: 1rem; margin-bottom: 1.5rem; max-width: 98%; }
    .hero-buttons { gap: 1rem; }
    .download-button, .explore-button { padding: 1rem 2rem; font-size: 0.95rem; gap: 8px; border-radius: 10px; }
    .download-button i, .explore-button i { font-size: 1.2rem; }
    .scroll-down-arrow { font-size: 2.2rem; bottom: 20px; }
    .section { padding: 3.5rem 0; }
    .section-title { font-size: 2.2rem; margin-bottom: 2rem; letter-spacing: 1px; }
    .section-title::after { width: 80px; height: 3px; margin: 1rem auto 0; }

    .about-card, .feature-item, .game-card, .testimonial-card, .step {
        padding: 1.2rem;
        max-width: 98%; /* Çok küçük ekranlarda daha fazla yer kaplasın */
        min-height: auto;
    }
    .about-card h3 { font-size: 1.4rem; gap: 8px; }
    .about-card h3 i { font-size: 1.8rem; }
    .feature-item i { font-size: 3rem; }
    .feature-item h3 { font-size: 1.4rem; }
    .game-card img { height: 160px; }
    .game-card-overlay { padding: 1.5rem 1rem; }
    .game-card-overlay h3 { font-size: 1.2rem; }
    .roadmap-timeline::after { left: 15px; } /* Daha da sola */
    .roadmap-item {
        padding: 1.5rem 5px 1.5rem 35px; /* Boşlukları daha da azalt */
    }
    .roadmap-item:nth-child(odd)::after, .roadmap-item:nth-child(even)::after {
        left: 8px; /* Çizgiye daha da yaklaştır */
    }
    .roadmap-item::after { top: 30px; width: 18px; height: 18px; border-width: 2px; }
    .roadmap-content { padding: 1.2rem; }
    .roadmap-content h3 { font-size: 1.1rem; }
    .roadmap-status { font-size: 0.7rem; padding: 0.3rem 0.8rem; }

    .step-number { font-size: 4.5rem; }
    .step h3 { font-size: 1.6rem; margin: 0.8rem 0 0.5rem 0; }
    .step p { font-size: 0.9rem; }

    .cta-section { padding: 3.5rem 1.5rem; margin: 2.5rem auto; }
    .cta-section h2 { font-size: 2.2rem; }
    .cta-section p { font-size: 0.95rem; margin-bottom: 2rem; }
    .social-links a { font-size: 2rem; margin: 0 0.5rem; }
    footer { padding: 3rem 0 1.5rem 0; font-size: 0.8rem; }

    /* Login/Register/Profile Formları için Genel Ayar */
    .form-container {
        padding: 2rem 1rem;
        max-width: 100%;
        gap: 1.2rem;
    }
    .form-container h2 {
        font-size: 2rem;
        margin-bottom: 1.2rem;
    }
    .form-container .message {
        padding: 0.6rem;
        font-size: 0.8rem;
    }
    .input-group label,
    .input-group input,
    .input-group button[type="submit"] {
        font-size: 0.9rem;
        padding: 0.8rem 1rem;
    }
    .profile-picture-container {
        width: 70px;
        height: 70px;
        border-width: 2px;
    }
    .profile-picture-container i.fa-user {
        font-size: 2rem;
    }
    .profile-upload-form button[type="submit"] {
        padding: 0.5rem 0.8rem;
        font-size: 0.8rem;
    }
    .profile-info p, .profile-info .account-token {
        font-size: 0.85rem;
    }
    .profile-info .token-refresh-btn {
        font-size: 0.7rem;
        padding: 0.3rem 0.6rem;
        margin-left: 3px;
    }
    .form-container h3 {
        font-size: 1.4rem;
    }
    .delete-account-btn {
        padding: 0.9rem 1.2rem;
        font-size: 0.85rem;
    }
    .password-toggle {
        right: 0.3rem;
        font-size: 0.8rem;
    }
}