/* Genel Ayarlar */
:root {
    --bg-color: #0d0d0d;
    --primary-color: #39ff14; /* Neon yeşil */
    --text-color: #f0f0f0; /* Klasik beyaz */
    --secondary-text-color: #a0a0a0;
    --card-bg-color: #1a1a1a;
    --border-color: #2a2a2a;
    --transition-speed: 0.3s;
    --font-family: 'Poppins', sans-serif;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-family);
    overflow-x: hidden;
    padding-top: 80px;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.main-content {
    flex: 1;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
}

a {
    text-decoration: none;
    color: var(--text-color);
    transition: color var(--transition-speed);
}

a:hover {
    color: var(--primary-color);
}

/* Header ve Navigasyon */
.header {
    background-color: var(--bg-color);
    padding: 20px 0;
    border-bottom: 1px solid var(--border-color);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-color);
    letter-spacing: 1px;
}

.nav-menu {
    display: flex;
    list-style: none;
    margin-left: 50px;
    margin-right: auto;
}

.nav-item {
    margin-right: 25px;
    position: relative;
}

.nav-link {
    font-weight: 600;
    padding: 10px 0;
    display: block;
    color: var(--text-color);
    transition: color var(--transition-speed);
}

.nav-link:hover {
    color: var(--primary-color);
}

.user-actions {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-left: auto;
}

.log-in-btn, .sign-up-btn {
    padding: 8px 20px;
    border-radius: 5px;
    font-weight: 600;
    white-space: nowrap;
}

.log-in-btn {
    color: var(--secondary-text-color);
    transition: color var(--transition-speed);
}

.log-in-btn:hover {
    color: var(--text-color);
}

.sign-up-btn {
    background-color: var(--text-color);
    color: var(--bg-color);
    border: none;
    transition: none;
}

.sign-up-btn:hover {
    background-color: var(--text-color);
    color: var(--bg-color);
}

/* Dropdown menü stilleri */
.nav-item.dropdown {
    position: relative;
}

.dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background-color: #000;
    min-width: 160px;
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
    z-index: 1;
    border-radius: 4px;
    padding: 10px 0;
}

.dropdown-menu a {
    color: #fff;
    padding: 10px 16px;
    text-decoration: none;
    display: block;
    text-align: left;
    transition: background-color 0.3s ease;
}

.dropdown-menu a:hover {
    background-color:#0d0d0d;
}

.nav-item.dropdown:hover .dropdown-menu {
    display: block;
}

/* Ana Sayfa Bölümü (Hero Section) ve Animasyonlar */
.hero-section {
    min-height: calc(100vh - 80px);
    display: flex;
    align-items: center;
    background-color: var(--bg-color);
    padding: 50px 0;
}

.hero-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 50px;
}

.text-content {
    flex: 1;
    max-width: 50%;
    animation: fadeInLeft 1s ease-in-out;
}

.main-heading {
    font-size: 64px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
}

.sub-heading {
    font-size: 24px;
    color: var(--secondary-text-color);
    margin-bottom: 40px;
}

.cta-button {
    background-color: var(--primary-color);
    color: var(--bg-color);
    padding: 15px 30px;
    border-radius: 8px;
    font-size: 18px;
    font-weight: 700;
    transition: background-color var(--transition-speed), transform var(--transition-speed);
    display: inline-block;
}

.cta-button:hover {
    background-color: #31e011;
    transform: scale(1.05);
}

.image-content {
    flex: 1;
    max-width: 50%;
    text-align: right;
    animation: fadeInRight 1s ease-in-out;
}

.image-content img {
    max-width: 100%;
    height: auto;
    filter: drop-shadow(0 0 20px rgba(57, 255, 20, 0.5)) drop-shadow(0 0 40px rgba(57, 255, 20, 0.3));
    animation: float 4s ease-in-out infinite;
}

/* Animasyonlar */
@keyframes fadeInLeft {
    from { opacity: 0; transform: translateX(-50px); }
    to { opacity: 1; transform: translateX(0); }
}

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

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0px); }
}

/* Piyasa Tablosu Stilleri */
.market-section {
    padding: 80px 0;
}

.markets-table-container {
    overflow-x: auto;
    background-color: var(--card-bg-color);
    border-radius: 12px;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.1);
}

.markets-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 16px;
    color: var(--text-color);
}

.markets-table thead {
    background-color: #1a1a1a;
    color: var(--secondary-text-color);
    text-align: left;
    font-weight: 600;
}

.markets-table th, .markets-table td {
    padding: 18px 25px;
    white-space: nowrap;
    border-bottom: 1px solid var(--border-color);
}

.markets-table tbody tr:hover {
    background-color: #1c1c1c;
}

.coin-cell {
    display: flex;
    align-items: center;
    gap: 15px;
}

.coin-logo {
    width: 32px;
    height: 32px;
    border-radius: 50%;
}

.coin-info {
    display: flex;
    flex-direction: column;
}

.coin-symbol {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-color);
}

.coin-name {
    font-size: 14px;
    color: var(--secondary-text-color);
}

.positive {
    color: var(--primary-color);
    font-weight: 600;
}

.negative {
    color: #ff3914; /* Kırmızı renk */
    font-weight: 600;
}

.trade-link {
    background-color: var(--primary-color);
    color: var(--bg-color);
    padding: 8px 18px;
    border-radius: 6px;
    font-weight: 600;
    transition: background-color 0.3s ease;
}

.trade-link:hover {
    background-color: #31e011;
}

.view-more-markets {
    display: block;
    text-align: center;
    margin-top: 25px;
    font-size: 16px;
    font-weight: 600;
    color: var(--secondary-text-color);
    transition: color 0.3s ease;
}

.view-more-markets:hover {
    color: var(--primary-color);
}

/* Rehber Bölümü */
.guide-section {
    padding: 80px 0;
    background-color: var(--bg-color);
}

.section-title {
    text-align: center;
    font-size: 36px; /* Font boyutu küçültüldü */
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text-color);
}

.section-subtitle {
    text-align: center;
    font-size: 18px;
    color: var(--secondary-text-color);
    margin-bottom: 60px;
}

.guide-cards {
    display: flex;
    justify-content: space-between;
    gap: 30px;
}

.card {
    flex: 1;
    background-color: var(--card-bg-color);
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease-in-out, box-shadow 0.3s ease-in-out;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.card-img {
    max-width: 100%;
    height: auto;
    margin-bottom: 25px;
}

.card-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 10px;
}

.card-text {
    font-size: 14px;
    color: var(--secondary-text-color);
}

/* Footer Section */
.main-footer {
    background-color: var(--card-bg-color);
    padding: 60px 0 20px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    gap: 40px;
    flex-wrap: wrap;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 40px;
}

.footer-brand {
    flex: 2;
    max-width: 300px;
}

.footer-brand .logo {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary-color);
}

.footer-brand .brand-text {
    margin-top: 15px;
    font-size: 14px;
    color: var(--secondary-text-color);
}

.social-links {
    margin-top: 20px;
    display: flex;
    gap: 15px;
}

.social-links a {
    color: var(--secondary-text-color);
    font-size: 20px;
    transition: color var(--transition-speed);
}

.social-links a:hover {
    color: var(--primary-color);
}

.footer-links {
    flex: 1;
    min-width: 150px;
}

.footer-links h4 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 20px;
}

.footer-links ul {
    list-style: none;
}

.footer-links ul li {
    margin-bottom: 10px;
}

.footer-links ul li a {
    color: var(--secondary-text-color);
    font-size: 14px;
    transition: color var(--transition-speed);
}

.footer-links ul li a:hover {
    color: var(--text-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    font-size: 14px;
    color: var(--secondary-text-color);
}

/* Masaüstü tablosunu varsayılan olarak göster */
.desktop-table {
    display: table;
}

.markets-table-container {
    overflow-x: auto;
    background-color: var(--card-bg-color);
    border-radius: 12px;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.1);
}

/* Mobil görünümü için gizleme sınıfı */
.mobile-markets-list {
    display: none;
}

/* Mobil Alt Menü */
.mobile-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: var(--card-bg-color);
    border-top: 1px solid var(--border-color);
    justify-content: space-around;
    align-items: center;
    padding: 10px 0;
    z-index: 1001;
}

.mobile-nav a {
    color: var(--text-color);
    text-align: center;
    font-size: 12px;
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 5px 0;
    transition: color 0.3s ease;
}

.mobile-nav a:hover,
.mobile-nav a.active {
    color: var(--primary-color);
}

.mobile-nav a i {
    font-size: 20px;
    margin-bottom: 5px;
}

/* Responsive tasarım için medya sorguları */
@media (max-width: 992px) {
    .container {
        max-width: 960px;
    }
    .guide-cards {
        flex-direction: column;
        align-items: center;
    }
    .card {
        max-width: 80%;
        margin-bottom: 30px;
    }
}

@media (max-width: 768px) {
    /* Genel mobil stilleri */
    .container {
        padding: 0 20px;
    }

    /* Ana sayfa başlık ve görsel bölümü için */
    .hero-content {
        flex-direction: column; /* Yazı ve resim bloklarını alt alta sırala */
        align-items: center; /* İçerikleri ortala */
        gap: 50px; /* Yazı ve resim arasına daha fazla boşluk */
        text-align: center; /* Tüm metinleri ortala */
    }

    /* Yazı içeriklerinin yan yana gelmesini sağla */
    .text-content {
        max-width: 100%;
        animation: none;
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .main-heading {
        font-size: 28px; /* Yazı boyutunu küçült */
        line-height: 1.1;
        margin-bottom: 15px; /* İki yazı arasına daha fazla boşluk */
        text-align: center;
    }

    .sub-heading {
        font-size: 14px; /* Yazı boyutunu küçült */
        text-align: center;
        white-space: normal;
    }

    /* tes.png'nin boyutunu artır ve konumlandır */
    .image-content {
        width: 100%;
        animation: none;
        order: 2; /* Resmi yazıların altına al */
    }
    .image-content img {
        width: 380px; /* Görselin boyutu biraz daha artırıldı */
        height: auto;
    }

    /* Giriş/Kayıt butonlarını ana sayfadan kaldır */
    .desktop-cta-btn, .mobile-cta-btns {
        display: none;
    }

    /* Mobil görünümde üst menüde butonları göster */
    .nav-menu {
        display: none;
    }
    .user-actions {
        display: flex;
    }

    .section-title {
        font-size: 28px;
    }

    /* Tabloların mobil görünümü */
    .desktop-table {
        display: none;
    }
    .markets-table-container {
        overflow-x: auto;
        background-color: black;
        border-radius: 12px;
        box-shadow: 0 5px 25px rgba(0, 0, 0, 0.1);
    }
    .mobile-markets-list {
        display: flex;
        flex-direction: column;
        gap: 12px;
    }
    .markets-table th,
    .markets-table td {
        padding: 12px 15px;
    }
    .market-list-item {
        display: flex;
        justify-content: space-between;
        align-items: center;
        background-color: black;
        padding: 15px 12px;
        border-radius: 10px;
        gap: 20px;
    }
    .coin-info-left {
        display: flex;
        align-items: center;
        gap: 12px;
    }
    .coin-info-left .coin-logo {
        width: 32px;
        height: 32px;
    }
    .coin-symbol-pair {
        font-weight: 600;
        font-size: 16px;
        color: var(--text-color);
    }
    .price-info-middle {
        flex: 1;
        text-align: center;
        font-size: 16px;
        font-weight: 700;
    }
    .change-info-right {
        display: flex;
        align-items: center;
    }
    .change-box {
        padding: 8px 10px;
        border-radius: 8px;
        font-weight: 600;
        font-size: 14px;
        text-align: center;
        min-width: 75px;
        color: var(--text-color);
    }
    .change-box.positive {
        background-color: #2ecc71;
        color: #dcdcdc;
    }
    .change-box.negative {
        background-color: #ff3914;
        color: #dcdcdc;
    }
    .main-symbol {
        font-weight: 700;
        color: var(--text-color);
    }
    .pair-text {
        font-weight: 600;
        font-size: 14px;
        color: var(--secondary-text-color);
    }

    /* Mobil Alt Menü */
    .mobile-nav {
        display: flex;
    }
    body {
        padding-bottom: 70px;
    }
}

/* PC görünümü için düzeltmeler */
@media (min-width: 769px) {
    /* Giriş/Kayıt butonlarını "Register Now" butonunun altından kaldır */
    .mobile-cta-btns {
        display: none;
    }

    /* PC görünümünde tabloyu sayfa genişliğine yay */
    .markets-table-container {
        width: 100%;
    }
}




/* style.css'ye ekle (en alta) */
/* İşlemler Popup */
.transactions-popup {
    display: none;
    position: fixed;
    bottom: 70px;
    left: 0;
    width: 100%;
    background: var(--card-bg-color);
    border-top: 1px solid var(--border-color);
    padding: 20px;
    z-index: 1002;
    box-shadow: 0 -5px 15px rgba(0,0,0,0.3);
    border-radius: 15px 15px 0 0;
    animation: slideUp 0.3s ease-out;
}

.transactions-popup.active {
    display: block;
}

.transactions-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.transaction-card {
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 15px;
    text-align: center;
    transition: all 0.3s ease;
}

.transaction-card:hover {
    background: #1a1a1a;
    transform: translateY(-3px);
}

.transaction-card i {
    font-size: 24px;
    color: var(--primary-color);
    margin-bottom: 10px;
    display: block;
}

.transaction-card h3 {
    font-size: 16px;
    margin-bottom: 5px;
    color: var(--text-color);
}

.transaction-card p {
    font-size: 12px;
    color: var(--secondary-text-color);
}

@keyframes slideUp {
    from { transform: translateY(100%); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

/* Mobil nav'daki işlemler butonu */
.mobile-nav .transactions-btn i {
    color: var(--primary-color);
}

@media (max-width: 768px) {
    .navbar .logo {
        font-size: 15px;   /* Yazıyı küçült */
        white-space: nowrap; /* Alt alta düşmesin */
        display: flex;
        align-items: center;
    }
}