/* ==========================================================================
   1. Değişkenler ve Temel Ayarlar (Variables & Base Setup)
   ========================================================================== */
:root {
    --dark-bg: #121212;
    --content-bg: #1E1E1E;
    --box-bg: #282828;
    --text-primary: #FFFFFF;
    --text-secondary: #B3B3B3;
    --accent-magenta: #E300D8;
    --accent-purple: #A000E3;
    --accent-cyan: #00E3E3;
    --font-family: 'Poppins', sans-serif;
}

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

body {
    font-family: var(--font-family);
    background-color: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.7;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

h1 { font-size: 3.5rem; font-weight: 700; }
h2 { font-size: 2.5rem; font-weight: 700; margin-bottom: 1rem; }
h3 { font-size: 1.5rem; font-weight: 600; margin-bottom: 1rem; }

/* ==========================================================================
   2. Tekrar Eden Bileşenler (Reusable Components - Header & Footer)
   ========================================================================== */

/* --- Header --- */
.site-header {
    background-color: rgba(18, 18, 18, 0.8);
    padding: 1rem 0;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid #2a2a2a;
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo a {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
}

.main-nav ul {
    display: flex;
    gap: 2.5rem;
    list-style: none;
}

.main-nav a {
    font-weight: 600;
    padding-bottom: 5px;
}

.main-nav a:hover, .footer-nav a:hover {
    color: var(--text-primary);
}

.main-nav a.active {
    color: var(--text-primary);
    border-bottom: 2px solid var(--accent-magenta);
}

/* --- Footer --- */
.site-footer {
    padding: 3rem 0;
    text-align: center;
    border-top: 1px solid #2a2a2a;
    background-color: var(--dark-bg);
}

.age-warning {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 2rem;
}

.eighteen-plus {
    font-size: 1rem;
    font-weight: 700;
    color: var(--dark-bg);
    background-color: var(--text-secondary);
    border-radius: 50%;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.footer-nav {
    margin-bottom: 2rem;
}

.footer-nav ul {
    display: flex;
    justify-content: center;
    gap: 2rem;
    list-style: none;
}

.copyright p {
    font-size: 0.9rem;
    color: #666;
}

/* ==========================================================================
   3. Ana Sayfa Stilleri
   ========================================================================== */
.hero-section {
    padding: 5rem 0;
}

.two-column-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.chat-entry-box, .tips-box {
    background-color: var(--box-bg);
    padding: 2.5rem;
    border-radius: 16px;
    border: 1px solid #333;
}

.chat-entry-box input {
    width: 100%; padding: 1rem; font-size: 1rem; font-family: var(--font-family);
    border: 1px solid #444; background-color: var(--content-bg);
    color: var(--text-primary); border-radius: 8px; margin-bottom: 1.5rem;
}

.chat-entry-box button {
    width: 100%; padding: 1rem; font-size: 1.1rem; font-weight: 700;
    color: #fff; border: none; border-radius: 8px; cursor: pointer;
    background: linear-gradient(90deg, var(--accent-magenta), var(--accent-cyan));
    background-size: 200% auto; transition: all 0.4s ease;
}

.chat-entry-box button:hover {
    background-position: right center; box-shadow: 0 0 20px rgba(227, 0, 216, 0.4);
}

.seo-article-section {
    padding: 4rem 0; background-color: var(--content-bg); text-align: center;
}

.seo-article-section article {
    max-width: 800px; margin: 0 auto;
}

/* ==========================================================================
   4. Hakkımızda Sayfası Stilleri
   ========================================================================== */
.hero-about {
    position: relative; height: 60vh; display: flex; align-items: center; justify-content: center; text-align: center;
    background-size: cover; background-position: center; color: var(--text-primary);
}

.hero-overlay {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%; background-color: rgba(18, 18, 18, 0.7);
}

.hero-content {
    position: relative; z-index: 2;
}

.content-section-about {
    padding: 5rem 0; background-color: var(--content-bg);
}

.about-article {
    max-width: 800px; margin: 0 auto;
}

.about-article h2 {
    border-left: 4px solid var(--accent-magenta); padding-left: 1rem;
}

.about-article ul {
    list-style: none; padding-left: 0;
}

.about-article ul li {
    padding-left: 1.5rem; position: relative; margin-bottom: 1rem;
}

.about-article ul li::before {
    content: '✓'; position: absolute; left: 0; color: var(--accent-cyan); font-weight: 700;
}

.cta-button {
    display: inline-block; margin-top: 2rem; padding: 1rem 2rem; font-size: 1.1rem; font-weight: 700;
    color: #fff; border: none; border-radius: 8px; cursor: pointer;
    background: linear-gradient(90deg, var(--accent-magenta), var(--accent-cyan));
    background-size: 200% auto; transition: all 0.4s ease;
}

.cta-button:hover {
    background-position: right center; box-shadow: 0 0 20px rgba(227, 0, 216, 0.4); color: #fff;
}

/* ==========================================================================
   5. Yasal Sayfalar (Kullanım Koşulları, Gizlilik) ve 404 Stilleri
   ========================================================================== */
.legal-page-content {
    background-color: #f8f9fa; color: #212529; padding: 5rem 0;
}

.legal-article {
    max-width: 800px; margin: 0 auto;
}

.legal-article h1 { color: #000; }
.legal-article h3 { border-bottom: 2px solid #dee2e6; padding-bottom: 0.5rem; }
.legal-article ul li::before { content: '•'; color: var(--accent-purple); }

.content-404 {
    display: flex; align-items: center; justify-content: center; text-align: center;
    padding: 6rem 0; min-height: calc(100vh - 200px);
}
.content-404 h1 {
    font-size: 8rem; background: linear-gradient(90deg, var(--accent-magenta), var(--accent-cyan));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.content-404 .cta-button {
    font-size: 1rem; padding: 0.8rem 1.5rem;
}

/* ==========================================================================
   6. Çerez Banner Stilleri
   ========================================================================== */
.cookie-banner {
    position: fixed; bottom: 20px; left: 20px; max-width: 350px;
    background-color: var(--box-bg); color: var(--text-secondary); padding: 1.5rem;
    border-radius: 12px; border: 1px solid #333; z-index: 2000;
    font-size: 0.9rem; display: none; box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}
.cookie-banner p { margin-bottom: 1rem; }
.cookie-banner a { color: var(--text-primary); text-decoration: underline; }
.cookie-accept-button {
    width: 100%; padding: 0.75rem; font-size: 0.9rem; font-weight: 700; color: #fff;
    border: none; border-radius: 8px; cursor: pointer;
    background: linear-gradient(90deg, var(--accent-magenta), var(--accent-cyan));
}

/* ==========================================================================
   7. Mobil Uyumluluk (Media Queries)
   ========================================================================== */
@media (max-width: 900px) {
    .two-column-layout { grid-template-columns: 1fr; }
    .main-nav { display: none; /* Gerçek projede hamburger menü gerekir */ }
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
}