@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;600;700&display=swap');

:root {
    --bg-color: #0D0D1A; 
    --primary-color: #00BFFF; 
    --accent-color: #FF00FF; 
    --neon-glow-primary: rgba(0, 191, 255, 0.7);
    --neon-glow-accent: rgba(255, 0, 255, 0.7);
    --border-color: rgba(224, 224, 224, 0.2);
    --text-color: #E0E0E0;
    --header-height: 80px;
    --transition-speed: 0.3s;
}

/* === TEMEL STİLLER === */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; height: 100%; }
body { font-family: 'Poppins', sans-serif; background-color: var(--bg-color); color: var(--text-color); line-height: 1.6; display: flex; flex-direction: column; min-height: 100vh; }
body.body-no-scroll { overflow: hidden; }
main { padding-top: var(--header-height); flex: 1 0 auto; }
a { color: var(--primary-color); text-decoration: none; transition: color var(--transition-speed) ease, text-shadow var(--transition-speed) ease; }
a:hover { color: var(--accent-color); text-shadow: 0 0 8px var(--neon-glow-accent); }
ul { list-style: none; }
img { max-width: 100%; height: auto; display: block; }

/* === HEADER === */
header { background-color: rgba(13, 13, 26, 0.7); backdrop-filter: blur(15px); -webkit-backdrop-filter: blur(15px); border-bottom: 1px solid var(--border-color); position: fixed; top: 0; left: 0; width: 100%; z-index: 1000; }
.navbar { height: var(--header-height); display: flex; justify-content: space-between; align-items: center; padding: 0 1.5rem; max-width: 1300px; margin: 0 auto; }
.nav-logo img { height: 55px; transition: transform var(--transition-speed) ease, filter var(--transition-speed) ease; }
.nav-logo:hover img { transform: scale(1.05); filter: drop-shadow(0 0 10px var(--neon-glow-primary)); }
.nav-right { display: flex; align-items: center; gap: 1.5rem; }
.profile-icon { font-size: 1.6rem; color: var(--text-color); transition: color var(--transition-speed) ease, text-shadow var(--transition-speed) ease; }
.profile-icon:hover { color: var(--primary-color); text-shadow: 0 0 8px var(--neon-glow-primary); }
.hamburger { display: none; cursor: pointer; z-index: 10001; }
.bar { display: block; width: 25px; height: 3px; margin: 5px auto; background-color: var(--text-color); transition: all 0.3s ease-in-out; }
.desktop-menu { display: flex; align-items: center; gap: 2rem; }
.desktop-menu .nav-link { font-weight: 600; text-transform: uppercase; font-size: 0.9rem; position: relative; padding: 5px 0; color: var(--text-color); }
.desktop-menu .nav-link:hover { color: var(--primary-color); text-shadow: 0 0 8px var(--neon-glow-primary); }
.desktop-menu .nav-link::after { content: ''; position: absolute; bottom: -5px; left: 50%; transform: translateX(-50%); width: 0; height: 2px; background-color: var(--primary-color); transition: width var(--transition-speed) ease-in-out; box-shadow: 0 0 8px var(--neon-glow-primary); filter: blur(1px); }
.desktop-menu .nav-link:hover::after { width: 100%; }
.desktop-menu .nav-item.has-dropdown { position: relative; } /* Konumlandırma için eklendi */
.desktop-menu .nav-item.has-dropdown:hover .dropdown-menu { opacity: 1; visibility: visible; transform: translate(-50%, 0); top: calc(100% + 10px); }
.dropdown-menu { display: block; position: absolute; top: calc(100% + 25px); left: 50%; background-color: rgba(20, 20, 35, 0.9); backdrop-filter: blur(10px); border: 1px solid var(--border-color); border-radius: 8px; padding: 0.5rem 0; min-width: 220px; opacity: 0; visibility: hidden; transform: translate(-50%, 10px); transition: all var(--transition-speed) cubic-bezier(0.25, 0.46, 0.45, 0.94); z-index: 100; }
.dropdown-menu::before { content: ''; position: absolute; top: -10px; left: 50%; transform: translateX(-50%); border-width: 0 8px 8px 8px; border-style: solid; border-color: transparent transparent var(--border-color) transparent; }
.dropdown-menu a { display: block; padding: 0.8rem 1.3rem; font-size: 0.9rem; color: var(--text-color); transition: background-color var(--transition-speed), color var(--transition-speed); }
.dropdown-menu a:hover { background-color: var(--primary-color); color: var(--bg-color); }

/* === FOOTER === */
footer { background-color: #0A0A14; padding: 4rem 2rem 1.5rem 2rem; position: relative; margin-top: 6rem; flex-shrink: 0; border-top: 1px solid var(--border-color); }
footer::before { content: ''; position: absolute; top: -2px; left: 0; width: 100%; height: 3px; background: linear-gradient(90deg, transparent, var(--primary-color), var(--accent-color), transparent); filter: blur(5px); z-index: 1; }
.footer-container { max-width: 1300px; margin: 0 auto; display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 2.5rem; margin-bottom: 3rem; }
.footer-column h3 { margin-bottom: 1rem; color: var(--primary-color); text-transform: uppercase; font-size: 1rem; text-shadow: 0 0 8px var(--neon-glow-primary); }
.footer-links li a { color: #ccc; transition: color 0.3s, padding-left 0.3s, text-shadow 0.3s; font-size: 0.9rem; line-height: 2; }
.footer-links li a:hover { color: white; padding-left: 5px; text-shadow: 0 0 5px var(--neon-glow-accent); }
.footer-social { display: flex; gap: 1rem; margin-bottom: 1rem; }
.footer-social a { font-size: 1.6rem; color: #ccc; transition: transform 0.3s, color 0.3s, text-shadow 0.3s; }
.footer-social a:hover { transform: translateY(-3px); color: var(--primary-color); text-shadow: 0 0 8px var(--neon-glow-primary); }
.newsletter-form input[type="email"] { width: 100%; padding: 0.8rem; background-color: rgba(0,0,0,0.3); border: 1px solid var(--border-color); border-radius: 5px; color: var(--text-color); transition: box-shadow 0.3s, border-color 0.3s; }
.newsletter-form input[type="email"]:focus { outline: none; border-color: var(--primary-color); box-shadow: 0 0 10px var(--neon-glow-primary); }
.newsletter-form button { width: 100%; padding: 0.8rem; background: var(--primary-color); color: var(--bg-color); border: none; border-radius: 5px; font-weight: 700; text-transform: uppercase; cursor: pointer; transition: all 0.3s ease; box-shadow: 0 0 10px var(--neon-glow-primary); }
.newsletter-form button:hover { background: var(--accent-color); color: var(--text-color); transform: translateY(-2px); box-shadow: 0 0 15px var(--neon-glow-accent); }
.footer-bottom { max-width: 1300px; margin: 0 auto; padding-top: 1.5rem; border-top: 1px solid var(--border-color); display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; color: #aaa; font-size: 0.85rem; }
.payment-methods { display: flex; align-items: center; gap: 0.7rem; }
/* KESİN ÇÖZÜM: İkonların boyutunu !important ile zorla küçültüyoruz */
.payment-methods img {
    height: 24px !important;
    width: auto !important;
    max-width: 40px !important;
    filter: grayscale(50%) opacity(0.7);
    transition: filter 0.3s;
}
.payment-methods img:hover { filter: grayscale(0%) opacity(1); }

/* === BİLEŞENLER === */
.cta-button { display: inline-block; padding: 12px 30px; background: var(--primary-color); color: var(--bg-color); font-weight: 700; text-transform: uppercase; border: 2px solid var(--primary-color); border-radius: 5px; transition: all 0.3s ease; box-shadow: 0 0 10px var(--neon-glow-primary); }
.cta-button:hover { background: transparent; color: var(--primary-color); transform: translateY(-3px); box-shadow: 0 0 20px var(--primary-color), 0 0 30px var(--accent-color); }
.toast-notification { position: fixed; bottom: 20px; right: 20px; padding: 1rem 1.5rem; border-radius: 8px; color: white; font-weight: 600; z-index: 9999; display: flex; align-items: center; gap: 10px; box-shadow: 0 5px 15px rgba(0,0,0,0.3); transform: translateY(150%); transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94); }
.toast-notification.show { transform: translateY(0); }
.toast-notification.success { background-color: #28a745; border-left: 5px solid #218838; }
.toast-notification.error { background-color: #dc3545; border-left: 5px solid #c82333; }

/* === RESPONSIVE === */
@media(min-width: 993px) { .nav-menu { display: none; } }
@media(max-width: 992px) {
    .desktop-menu { display: none; }
    .hamburger { display: block; }
    .nav-menu { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background-color: var(--bg-color); transform: translateX(-100%); transition: transform 0.4s cubic-bezier(0.23, 1, 0.32, 1); z-index: 9999; overflow: hidden; }
    .nav-menu.active { transform: translateX(0); }
    .nav-menu-inner { display: flex; height: 100%; width: 100%; position: relative; }
    .nav-menu-panel { width: 100%; height: 100%; display: flex; flex-direction: column; justify-content: center; padding: 2rem; position: absolute; top: 0; transition: transform 0.4s cubic-bezier(0.23, 1, 0.32, 1); }
    .nav-menu-main { transform: translateX(0); z-index: 10; }
    .nav-menu-sub { transform: translateX(100%); z-index: 20; background-color: var(--bg-color); }
    .nav-menu-sub.active { transform: translateX(0); }
    .nav-menu-main.sub-active { transform: translateX(-100%); }
    .nav-links { width: 100%; text-align: center; }
    .nav-links li { margin: 1rem 0; }
    .nav-menu .nav-link { font-size: 1.8rem; font-weight: 600; color: var(--text-color); padding: 10px; display: flex; justify-content: space-between; align-items: center; }
    .mobile-close-button { position: absolute; top: 2rem; right: 2rem; font-size: 2rem; color: var(--text-color); cursor: pointer; z-index: 30; }
    .submenu-header { text-align: left; padding-bottom: 2rem; border-bottom: 1px solid var(--border-color); }
    .back-button { background: none; border: none; color: var(--primary-color); font-size: 1rem; font-weight: 600; cursor: pointer; display: flex; align-items: center; gap: 0.5rem; }
    .submenu-header h3 { font-size: 1.5rem; margin-top: 1rem; }
    .nav-menu-sub .nav-link { font-size: 1.2rem; font-weight: 400; justify-content: flex-start; }
}

/* === GENEL SAYFA GİRİŞ BAŞLIĞI STİLİ === */
.page-intro {
    text-align: center;
    padding: 3rem 1.5rem;
    margin-bottom: 2rem;
    background-color: rgba(13, 13, 26, 0.5); /* Hafif yarı saydam arka plan */
    border-bottom: 1px solid var(--border-color);
}

.page-intro h1 {
    font-size: 2.8rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
    text-shadow: 0 0 15px var(--neon-glow-primary);
}

.page-intro p {
    font-size: 1.1rem;
    color: #ccc;
    max-width: 650px;
    margin: 0 auto;
}