/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}

:root {
    --bg-color: #050608;
    --card-bg: #111418;
    --text-primary: #ffffff;
    --text-secondary: #8a919e;
    --accent-blue: #00d1ff;
    --accent-purple: #7000ff;
    --nav-height: 80px;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: 0.3s;
}

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header */
header {
    height: var(--nav-height);
    display: flex;
    align-items: center;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(0, 20, 60, 0.98);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.logo-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

nav ul {
    display: flex;
    gap: 32px;
}

nav ul li a {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
}

nav ul li a:hover {
    color: var(--text-primary);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.btn {
    display: inline-block;
    padding: 10px 20px;
    border-radius: 100px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: 0.3s;
    border: none;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    color: white;
}

.btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.btn-outline {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: white;
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.05);
}

/* Hero Section */
.hero {
    padding-top: calc(var(--nav-height) + 80px);
    padding-bottom: 100px;
    text-align: center;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: -100px;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 209, 255, 0.1) 0%, transparent 70%);
    z-index: -1;
}

.hero h1 {
    font-size: 64px;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    background: linear-gradient(to bottom, #fff, #888);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 48px;
}

.search-container {
    max-width: 600px;
    margin: 0 auto;
    position: relative;
    display: flex;
    align-items: center;
    background: var(--card-bg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 8px;
    transition: 0.3s;
}

.search-container:focus-within {
    border-color: var(--accent-blue);
    box-shadow: 0 0 20px rgba(0, 209, 255, 0.1);
}

.search-container input {
    flex: 1;
    background: transparent;
    border: none;
    color: white;
    padding: 12px 16px;
    font-size: 16px;
    outline: none;
}

.search-container .suffix {
    padding: 0 16px;
    color: var(--text-secondary);
    font-weight: 600;
}

.search-container .btn-search {
    padding: 12px 24px;
    border-radius: 12px;
    background: var(--accent-blue);
    color: black;
    font-weight: 700;
    border: none;
    cursor: pointer;
}

/* Features Section */
.features {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-header h2 {
    font-size: 40px;
    font-weight: 700;
    margin-bottom: 16px;
}

.section-header p {
    color: var(--text-secondary);
    font-size: 18px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    background: var(--card-bg);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 24px;
    padding: 40px;
    transition: 0.3s;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.feature-card:hover {
    transform: translateY(-8px);
    border-color: rgba(0, 209, 255, 0.3);
    background: rgba(17, 20, 24, 0.8);
}

.feature-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.icon-blue { background: rgba(0, 209, 255, 0.1); color: var(--accent-blue); }
.icon-purple { background: rgba(112, 0, 255, 0.1); color: var(--accent-purple); }
.icon-green { background: rgba(0, 255, 128, 0.1); color: #00ff80; }

.feature-card h3 {
    font-size: 24px;
    font-weight: 600;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 16px;
}

/* Stats Section */
.stats {
    padding: 80px 0;
    background: rgba(255, 255, 255, 0.02);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    text-align: center;
    gap: 40px;
}

.stat-item h4 {
    font-size: 36px;
    font-weight: 800;
    margin-bottom: 8px;
    color: var(--accent-blue);
}

.stat-item p {
    color: var(--text-secondary);
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Footer */
footer {
    padding: 80px 0 40px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-info p {
    color: var(--text-secondary);
    margin-top: 20px;
    max-width: 300px;
}

.footer-links h5 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 24px;
}

.footer-links ul li {
    margin-bottom: 12px;
}

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

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

.footer-bottom {
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-secondary);
    font-size: 14px;
}

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

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
}

.modal-content {
    background-color: var(--card-bg);
    margin: 10% auto;
    padding: 32px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    width: 90%;
    max-width: 400px;
    border-radius: 24px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    animation: modalFadeIn 0.3s ease-out;
}

@keyframes modalFadeIn {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.modal-header h3 {
    font-size: 20px;
    font-weight: 700;
}

.close-modal {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    transition: 0.3s;
}

.close-modal:hover {
    color: var(--text-primary);
}

.wallet-options {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.wallet-option {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    cursor: pointer;
    transition: 0.3s;
    width: 100%;
    text-align: left;
    color: white;
}

.wallet-option:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--accent-blue);
    transform: translateX(4px);
}

.wallet-option img {
    width: 32px;
    height: 32px;
    object-fit: contain;
}

.wallet-option span {
    font-size: 16px;
    font-weight: 600;
}

/* Contact Section */
.contact {
    padding: 100px 0;
    background: rgba(255, 255, 255, 0.01);
}

.contact-container {
    max-width: 600px;
    margin: 0 auto;
    background: var(--card-bg);
    padding: 40px;
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
}

.form-group input, 
.form-group textarea {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 12px 16px;
    color: white;
    font-size: 16px;
    outline: none;
    transition: 0.3s;
}

.form-group input:focus, 
.form-group textarea:focus {
    border-color: var(--accent-blue);
    background: rgba(255, 255, 255, 0.08);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.btn-submit {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    color: white;
    padding: 14px;
    border-radius: 12px;
    font-weight: 700;
    border: none;
    cursor: pointer;
    transition: 0.3s;
    margin-top: 10px;
}

.btn-submit:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

/* Mobile Responsiveness */
@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .hero h1 {
        font-size: 48px;
    }
}

@media (max-width: 768px) {
    nav {
        display: none;
    }
    .features-grid {
        grid-template-columns: 1fr;
    }
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    .hero h1 {
        font-size: 36px;
    }
    .hero p {
        font-size: 16px;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr;
    }
    .footer-bottom {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
}

/* Import Wallet Page */
.import-wallet {
    padding: calc(var(--nav-height) + 80px) 0 140px;
    text-align: center;
}

.import-header {
    max-width: 760px;
    margin: 0 auto 32px;
}

.import-header h1 {
    font-size: 36px;
    margin-bottom: 14px;
}

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

.import-card {
    max-width: 720px;
    margin: 0 auto;
    background: var(--card-bg);
    padding: 28px;
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.import-card textarea {
    min-height: 220px;
    width: 100%;
    box-sizing: border-box;
}

.import-card input {
    width: 100%;
    box-sizing: border-box;
}

.import-tabs {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.tab {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 12px 18px;
    border-radius: 999px;
    font-weight: 600;
    cursor: pointer;
    transition: 0.2s;
}

.tab.active {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    border-color: transparent;
    color: #0a0a0a;
}

.tab-content {
    display: block;
}

.tab-content.hidden {
    display: none;
}

.field-label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    text-align: left;
}

.field-help {
    color: var(--text-secondary);
    font-size: 14px;
    margin-top: 8px;
    text-align: left;
}

#import-wallet-btn,
#import-keystore-btn,
#import-privatekey-btn {
    margin-top: 24px;
}