:root {
    --primary-bg: #121820; /* Very dark blue/black - main background */
    --secondary-bg: #1E2A38; /* Dark blue - for cards, sections */
    --accent-color-1: #00BFFF; /* Deep Sky Blue - primary accent */
    --accent-color-2: #FFD700; /* Gold - secondary accent (e.g. Bitcoin) */
    --text-color: #E0E0E0; /* Light gray/white - main text */
    --text-color-darker: #a0a0a0; /* Darker gray for subtitles */
    --heading-color: #FFFFFF; /* White for headings */
    --positive-color: #28A745; /* Green for gains */
    --negative-color: #DC3545; /* Red for losses */
    --border-color: #2A3B4D;
    --font-family: 'Montserrat', sans-serif;
    --card-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

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

body {
    font-family: var(--font-family);
    line-height: 1.7;
    color: var(--text-color);
    background-color: var(--primary-bg);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.container {
    width: 90%;
    max-width: 1200px; /* Increased max-width for modern feel */
    margin: auto;
    padding: 0 15px; /* Add horizontal padding to container */
}

h1, h2, h3, h4 {
    color: var(--heading-color);
    font-weight: 700;
    margin-bottom: 1rem;
}

h1 { font-size: 2.8rem; line-height: 1.2; }
h2 { font-size: 2.5rem; line-height: 1.2; }
h3 { font-size: 2rem; text-align: center; margin-bottom: 2.5rem; text-transform: uppercase; letter-spacing: 1px;}
h4 { font-size: 1.25rem; color: var(--accent-color-1); }

p {
    margin-bottom: 1rem;
    color: var(--text-color-darker);
}

a {
    color: var(--accent-color-1);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--accent-color-2);
}

/* Header */
header {
    background-color: var(--secondary-bg);
    padding: 15px 0;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

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

.header-logo {
    height: 50px;
    object-fit: contain; /* Ensure logo aspect ratio is maintained */
}

.main-nav ul {
    list-style: none;
    display: flex;
    align-items: center;
}

.main-nav li {
    margin-left: 25px;
}

.main-nav a {
    color: var(--text-color);
    font-weight: 500;
    font-size: 0.95rem;
    padding: 5px 0;
    border-bottom: 2px solid transparent;
    transition: color 0.3s ease, border-bottom-color 0.3s ease;
}

.main-nav a:hover, .main-nav a.active {
    color: var(--accent-color-1);
    border-bottom-color: var(--accent-color-1);
}

.auth-buttons .btn {
    margin-left: 15px;
    font-size: 0.9rem;
    padding: 8px 18px;
}

.mobile-nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
}
.mobile-nav-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--text-color);
    margin: 5px 0;
    transition: all 0.3s ease-in-out;
}

/* Stock Ticker Section */
#stock-ticker-section {
    background-color: var(--primary-bg);
    padding: 10px 0;
    border-bottom: 1px solid var(--border-color);
    overflow: hidden; /* Important for ticker */
}

.stock-ticker-container {
    width: 100%;
    overflow: hidden;
}

.stock-ticker {
    display: flex;
    width: max-content; /* Make it wide enough for all items */
    animation: ticker-scroll 40s linear infinite;
}

.ticker-item {
    padding: 0 25px;
    font-size: 0.9rem;
    color: var(--text-color-darker);
    display: flex;
    align-items: center;
    white-space: nowrap;
}

.ticker-item span { margin-right: 8px; }
.ticker-item .price { color: var(--text-color); font-weight: bold; }
.ticker-item .change { font-weight: bold; }
.ticker-item .positive { color: var(--positive-color); }
.ticker-item .negative { color: var(--negative-color); }

@keyframes ticker-scroll {
    0% { transform: translateX(0%); }
    100% { transform: translateX(-50%); } /* Scroll by half the width because items are duplicated */
}

/* Hero Section */
#hero {
    background: linear-gradient(rgba(18, 24, 32, 0.85), rgba(18, 24, 32, 0.95)), url('https://images.unsplash.com/photo-1621452298908-f6f149199d31?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=1770&q=80') no-repeat center center/cover;
    color: var(--heading-color);
    padding: 80px 0;
    text-align: left;
}

.hero-content-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}

.hero-text {
    flex: 1;
    max-width: 600px;
}

#hero h2 {
    font-size: 3.5rem;
    font-weight: 900;
    margin-bottom: 1rem;
    line-height: 1.1;
    color: var(--heading-color);
}
#hero h2 .highlight {
    color: var(--accent-color-1);
}

#hero .subheading {
    font-size: 1.25rem;
    color: var(--text-color-darker);
    margin-bottom: 2rem;
    max-width: 550px;
}

.hero-image {
    flex-shrink: 0;
}
#bitcoin-main-image {
    max-width: 350px; /* Control size of Bitcoin image */
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
	0% { transform: translateY(0px); }
	50% { transform: translateY(-20px); }
	100% { transform: translateY(0px); }
}

/* General Section Styling */
section {
    padding: 70px 0;
}

main > section:last-of-type { /* Ensure last section doesn't have excessive bottom padding if footer is sticky */
    padding-bottom: 70px;
}

section:nth-child(even) {
    background-color: var(--secondary-bg);
}

#about {
    text-align: center;
}

#about p {
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.1rem;
    color: var(--text-color);
}

/* Services/Platform Features Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    text-align: left;
}

.service-item {
    background-color: var(--primary-bg); /* Slightly darker than section bg if section is secondary */
    padding: 30px;
    border-radius: 10px;
    box-shadow: var(--card-shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--border-color);
}
section:nth-child(odd) .service-item { /* if section is primary-bg */
    background-color: var(--secondary-bg);
}

.service-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 25px rgba(0, 191, 255, 0.15);
}

.service-item h4 {
    margin-bottom: 0.8rem;
}
.service-item p {
    font-size: 0.95rem;
}

/* Testimonials Section */
#testimonials {
    background-color: var(--secondary-bg);
}
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}
.testimonial-item {
    background-color: var(--primary-bg);
    padding: 30px;
    border-radius: 10px;
    box-shadow: var(--card-shadow);
    border-left: 5px solid var(--accent-color-1);
}
.testimonial-item p {
    font-style: italic;
    margin-bottom: 1rem;
    font-size: 1.05rem;
    color: var(--text-color);
}
.testimonial-author {
    display: block;
    text-align: right;
    font-weight: bold;
    color: var(--accent-color-2);
    font-size: 0.95rem;
}

/* Why Choose Us Section */
.strengths-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px; /* Increased gap */
    text-align: center;
}

.strength-item {
    padding: 25px;
    background-color: var(--secondary-bg);
    border-radius: 10px;
    box-shadow: var(--card-shadow);
    transition: transform 0.3s ease;
}
.strength-item:hover {
    transform: translateY(-5px);
}

.strength-icon {
    width: 50px; /* Slightly smaller */
    height: 50px;
    margin-bottom: 1.5rem;
    /* Filter for Deep Sky Blue (#00BFFF) from dark gray icon */
    filter: invert(69%) sepia(96%) saturate(4539%) hue-rotate(176deg) brightness(102%) contrast(102%);
    /* If icons are already light/white and need coloring to accent: */
    /* filter: brightness(0) saturate(100%) invert(64%) sepia(72%) saturate(5178%) hue-rotate(176deg) brightness(102%) contrast(102%); */
}

.strength-item h4 {
    color: var(--heading-color); /* Headings consistent */
    margin-bottom: 0.5rem;
}

/* Contact Section */
#contact {
    background-color: var(--secondary-bg); /* Or var(--primary-bg) */
}

.contact-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr; /* Form takes more space */
    gap: 50px;
    align-items: start;
}

.form-group { /* General form group styling for reuse */
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 700;
    color: var(--text-color);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group textarea {
    width: 100%;
    padding: 15px; /* Increased padding */
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-family: var(--font-family);
    font-size: 1rem;
    background-color: var(--primary-bg); /* Input background */
    color: var(--text-color);
}
.form-group input[type="text"]::placeholder,
.form-group input[type="email"]::placeholder,
.form-group input[type="password"]::placeholder,
.form-group textarea::placeholder {
    color: var(--text-color-darker);
}

#contact-form .form-group { /* Keep specificity if needed */
    margin-bottom: 1.5rem;
}

#contact-form label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 700;
    color: var(--text-color);
}

#contact-form input[type="text"],
#contact-form input[type="email"],
#contact-form textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-family: var(--font-family);
    font-size: 1rem;
    background-color: var(--primary-bg);
    color: var(--text-color);
}
#contact-form input[type="text"]::placeholder,
#contact-form input[type="email"]::placeholder,
#contact-form textarea::placeholder {
    color: var(--text-color-darker);
}

#contact-form textarea {
    resize: vertical;
    min-height: 120px;
}

.btn {
    display: inline-block;
    padding: 12px 28px;
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    font-weight: 700;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
}

.btn-primary {
    background-color: var(--accent-color-1);
    color: var(--primary-bg); /* Dark text on light blue button */
}
.btn-primary:hover {
    background-color: var(--accent-color-2);
    color: var(--primary-bg);
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(255, 215, 0, 0.3);
}

.btn-outline {
    background-color: transparent;
    color: var(--accent-color-1);
    border: 2px solid var(--accent-color-1);
}
.btn-outline:hover {
    background-color: var(--accent-color-1);
    color: var(--primary-bg);
}

.btn-cta { /* Call to action button in hero */
    font-size: 1.1rem;
    padding: 15px 35px;
}

.contact-details p {
    margin-bottom: 1rem;
    font-size: 1rem;
}
.contact-details strong {
    color: var(--text-color);
}

/* Footer */
footer {
    background-color: var(--primary-bg); /* Darkest bg */
    color: var(--text-color-darker);
    text-align: center;
    padding: 30px 0;
    border-top: 1px solid var(--border-color);
    margin-top: auto; /* Pushes footer to bottom if content is short */
}

footer p {
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

/* Auth Page Specific Styles (Login/Register) */
.auth-page {
    display: flex;
    flex-direction: column;
    min-height: 100vh; /* Full viewport height */
}

.auth-header {
    background-color: var(--secondary-bg);
    padding: 15px 0;
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

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

.auth-header .header-logo {
    height: 50px;
    object-fit: contain;
}

.back-to-home-link {
    color: var(--accent-color-1);
    font-weight: 500;
    font-size: 0.95rem;
    padding: 8px 18px;
    border: 2px solid var(--accent-color-1);
    border-radius: 5px;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.back-to-home-link:hover {
    background-color: var(--accent-color-1);
    color: var(--primary-bg);
}

.auth-main {
    flex-grow: 1; /* Takes up available space */
    display: flex;
    align-items: center; /* Vertically center form container */
    justify-content: center; /* Horizontally center form container */
    padding: 40px 0;
}

.auth-container {
    background-color: var(--secondary-bg);
    padding: 40px;
    border-radius: 10px;
    box-shadow: var(--card-shadow);
    width: 100%;
    max-width: 500px; /* Max width for the form box */
    border: 1px solid var(--border-color);
}

.auth-container h2 {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--heading-color);
    font-size: 2rem;
}

.auth-container .form-group input {
    background-color: var(--primary-bg); /* Ensure inputs inside auth container have consistent bg */
}

.auth-container .btn {
    width: 100%; /* Full width button */
    margin-top: 1rem;
}

.auth-container .form-link {
    display: block;
    text-align: center;
    margin-top: 1.5rem;
    font-size: 0.9rem;
}

.auth-container .form-link a {
    font-weight: bold;
}

/* Dashboard Page Specific Styles */
.dashboard-main {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    padding: 40px 0;
}

.dashboard-header h2 {
    font-size: 2.2rem;
    text-align: left;
    margin-bottom: 2rem;
    color: var(--heading-color);
}

.dashboard-nav {
    display: flex;
    align-items: center;
    gap: 20px;
}

.welcome-user {
    color: var(--text-color-darker);
}

.dashboard-nav .btn-outline {
    padding: 8px 18px;
    font-size: 0.9rem;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 30px;
}

.dashboard-section {
    background-color: var(--secondary-bg);
    padding: 30px;
    border-radius: 10px;
    box-shadow: var(--card-shadow);
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
}

.dashboard-section h3 {
    text-align: left;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    text-transform: none;
    letter-spacing: 0;
    color: var(--accent-color-1);
}

.wallet-actions {
    display: flex;
    gap: 15px;
    margin-bottom: 2rem;
}

.wallet-actions .btn {
    flex-grow: 1;
}

.portfolio-summary {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 20px;
    margin-bottom: 2rem;
}

.total-balance {
    text-align: left;
}

.balance-label {
    display: block;
    font-size: 1rem;
    color: var(--text-color-darker);
    margin-bottom: 0.5rem;
}

.balance-amount {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--heading-color);
}

.account-details {
    margin: 2rem 0;
    padding: 20px;
    background-color: var(--primary-bg);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.detail-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    font-size: 0.95rem;
}

.detail-item:not(:last-child) {
    border-bottom: 1px solid var(--border-color);
}

.detail-label {
    color: var(--text-color-darker);
}

.detail-value {
    color: var(--accent-color-2);
    font-weight: bold;
}

.detail-value-address {
    font-family: monospace;
    font-size: 0.9rem;
    color: var(--text-color);
    word-break: break-all;
    text-align: right;
    padding-left: 10px;
}

.portfolio-chart {
    position: relative;
    height: 150px;
    width: 150px;
    margin: 0 auto;
}

.asset-list-container {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.asset-list-container h4 {
    color: var(--heading-color);
    font-size: 1.2rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

.asset-list {
    list-style: none;
    max-height: 250px;
    overflow-y: auto;
    padding-right: 10px;
}

.asset-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 5px;
    border-bottom: 1px solid var(--border-color);
}
.asset-item:last-child {
    border-bottom: none;
}

.asset-info {
    display: flex;
    align-items: center;
    gap: 15px;
}
.asset-info div {
    display: flex;
    flex-direction: column;
}

.asset-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
}

.asset-name {
    font-weight: 700;
    color: var(--text-color);
}
.asset-symbol {
    font-size: 0.9rem;
    color: var(--text-color-darker);
}

.asset-balance {
    text-align: right;
    display: flex;
    flex-direction: column;
}
.asset-amount-usd {
    font-weight: 700;
    color: var(--text-color);
}
.asset-amount-crypto {
    font-size: 0.9rem;
    color: var(--text-color-darker);
}

.table-container {
    overflow-x: auto;
    flex-grow: 1;
}

.transactions-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.95rem;
}

.transactions-table th, .transactions-table td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
}

.transactions-table thead {
    color: var(--accent-color-1);
    font-size: 0.85rem;
    text-transform: uppercase;
    position: sticky;
    top: 0;
    background-color: var(--secondary-bg);
}
.transactions-table tbody tr:hover {
    background-color: var(--primary-bg);
}

.tx-asset-info {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: bold;
}
.asset-icon-sm {
    width: 24px;
    height: 24px;
    border-radius: 50%;
}

.status-badge {
    padding: 4px 10px;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--primary-bg);
    text-align: center;
}
.status-completed { background-color: var(--positive-color); }
.status-pending { background-color: var(--accent-color-2); }
.status-failed { background-color: var(--negative-color); }

.tx-hash {
    font-family: monospace;
    font-size: 0.9rem;
}

.tx-hash a {
    color: var(--accent-color-1);
    text-decoration: none;
}
.tx-hash a:hover {
    text-decoration: underline;
}

/* Modals & Notifications */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(18, 24, 32, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0s 0.3s;
}
.modal-overlay.active {
    opacity: 1;
    visibility: visible;
    transition: opacity 0.3s ease;
}

.modal-content {
    background-color: var(--secondary-bg);
    padding: 30px 40px;
    border-radius: 10px;
    box-shadow: 0 5px 25px rgba(0,0,0,0.5);
    width: 90%;
    max-width: 500px;
    position: relative;
    transform: scale(0.95);
    transition: transform 0.3s ease;
    border: 1px solid var(--border-color);
}
.modal-overlay.active .modal-content {
    transform: scale(1);
}

.close-modal-btn {
    position: absolute;
    top: 10px;
    right: 15px;
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--text-color-darker);
    cursor: pointer;
    transition: color 0.3s ease;
}
.close-modal-btn:hover {
    color: var(--text-color);
}

.modal-content h3 {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--heading-color);
}

.modal-content .form-group {
    margin-bottom: 1.5rem;
}

.modal-content select {
    width: 100%;
    padding: 15px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-family: var(--font-family);
    font-size: 1rem;
    background-color: var(--primary-bg);
    color: var(--text-color);
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23E0E0E0' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 15px center;
    background-size: 1em;
}

.modal-content .btn {
    width: 100%;
    margin-top: 1rem;
}

.receive-content {
    text-align: center;
}
.receive-warning {
    background-color: rgba(255, 215, 0, 0.1);
    padding: 10px;
    border-radius: 5px;
    border: 1px solid var(--accent-color-2);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}
.receive-warning strong {
    color: var(--accent-color-2);
}

.qr-code-img {
    width: 200px;
    height: 200px;
    margin: 0 auto 1.5rem auto;
    display: block;
    background-color: white;
    padding: 10px;
    border-radius: 5px;
}

.address-box {
    display: flex;
    gap: 10px;
}
.address-box input {
    flex-grow: 1;
    width: 100%;
    padding: 10px 15px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-family: var(--font-family);
    font-size: 0.9rem;
    background-color: var(--primary-bg);
    color: var(--text-color);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.address-box .btn {
    padding: 10px 15px;
    font-size: 0.9rem;
    white-space: nowrap;
}

#notification-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 3000;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.notification {
    background-color: var(--positive-color);
    color: white;
    padding: 15px 25px;
    border-radius: 5px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
    opacity: 0;
    transform: translateX(100%);
    transition: opacity 0.5s ease, transform 0.5s ease;
}
.notification.show {
    opacity: 1;
    transform: translateX(0);
}
.notification.error {
    background-color: var(--negative-color);
}

/* Responsive Design */
@media (max-width: 992px) {
    .main-nav {
        display: none; /* Hide nav for custom mobile menu */
        position: absolute;
        top: calc(100% + 1px); /* Position below header */
        left: 0;
        width: 100%;
        background-color: var(--secondary-bg);
        flex-direction: column;
        padding: 15px 0;
        box-shadow: 0 5px 10px rgba(0,0,0,0.2);
    }
    .main-nav.active {
        display: flex;
    }
    .main-nav ul {
        flex-direction: column;
        width: 100%;
    }
    .main-nav li {
        margin: 10px 0;
        text-align: center;
        width: 100%;
    }
    .main-nav a {
        display: block;
        padding: 10px;
    }

    .auth-buttons {
        display: none; /* Can be moved into mobile nav or kept separate */
    }
    .auth-buttons.active { /* Example: show in mobile nav if moved there */
        display: flex;
        flex-direction: column;
        align-items: center;
        width: 100%;
    }
    .auth-buttons.active .btn {
        margin: 8px 0;
        width: 80%;
    }

    .mobile-nav-toggle {
        display: block; /* Show hamburger */
    }
    .mobile-nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    .mobile-nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    .mobile-nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }

    .hero-content-wrapper {
        flex-direction: column;
        text-align: center;
    }
    #hero .subheading {
        margin-left: auto;
        margin-right: auto;
    }
    .hero-image {
        margin-top: 30px;
    }
    #bitcoin-main-image {
        max-width: 280px;
    }
    #hero h2 { font-size: 2.8rem; }

    .contact-content {
        grid-template-columns: 1fr;
    }

    .dashboard-grid {
        grid-template-columns: 1fr;
    }

    .dashboard-section {
        margin-bottom: 30px; /* Spacing when stacked */
    }
    .dashboard-grid .dashboard-section:last-child {
        margin-bottom: 0;
    }
}

@media (max-width: 768px) {
    h1 { font-size: 2.2rem; }
    h2 { font-size: 2rem; }
    #hero h2 { font-size: 2.4rem; }
    #hero .subheading { font-size: 1.1rem; }
    h3 { font-size: 1.6rem; margin-bottom: 2rem; }

    .header-logo { height: 40px; }
    .stock-ticker { animation-duration: 30s; } /* Speed up ticker on smaller screens */
    .ticker-item { padding: 0 15px; font-size: 0.85rem; }

    .services-grid, .strengths-grid, .testimonials-grid {
        grid-template-columns: 1fr;
    }
    .service-item, .strength-item, .testimonial-item {
        margin-bottom: 25px;
    }
    #bitcoin-main-image {
        max-width: 220px;
    }
    .auth-container {
        padding: 30px;
    }
    .auth-container h2 {
        font-size: 1.8rem;
    }
    .portfolio-summary {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .total-balance {
        text-align: center;
        margin-bottom: 2rem;
    }
    .balance-amount {
        font-size: 2.2rem;
    }
}

@media (max-width: 480px) {
    body { font-size: 15px; } /* Adjust base font size for small screens */
    .container { width: 95%; padding: 0 10px;}
    #hero h2 { font-size: 2rem; }
    #hero .subheading { font-size: 1rem; }
    #bitcoin-main-image { max-width: 180px; }

    .btn { width: 100%; padding: 12px 20px; font-size: 0.95rem;}
    .btn-cta { padding: 14px 30px; font-size: 1rem;}
    .auth-buttons .btn {
        width: auto; /* Allow login/register buttons to be side-by-side if space */
        padding: 8px 15px;
    }
    header .container .auth-buttons { /* If auth buttons are not part of mobile nav */
        display: none; /* Hide them completely on very small screens if not in menu */
    }
    .auth-header .header-logo {
        height: 40px;
    }
    .back-to-home-link {
        font-size: 0.85rem;
        padding: 6px 12px;
    }
    .auth-container {
        padding: 20px;
        margin: 0 15px; /* Add some horizontal margin on smallest screens */
    }
}

.wallet-box {
    margin-top: 1.5rem;
    background-color: #121e2a;
    padding: 1rem;
    border-radius: 10px;
}

.wallet-label {
    font-weight: bold;
    color: #ccc;
    margin-bottom: 0.25rem;
    display: block;
}

.wallet-display code {
    font-family: monospace;
    font-size: 1rem;
    color: #00ffcc;
    background-color: #0f1a24;
    padding: 0.5rem;
    display: block;
    word-break: break-all;
    border-radius: 4px;
}

.wallet-note {
    font-size: 0.85rem;
    color: #888;
    margin-top: 0.4rem;
}

.row-btns {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
    flex-wrap: wrap;
}

.btn-buybtc {
    background-color: transparent;
    color: #ff3c78;
    border: 2px solid #ff3c78;
    padding: 0.6rem 1.2rem;
    border-radius: 6px;
    font-weight: bold;
    transition: 0.3s ease;
}

.btn-buybtc:hover {
    background-color: #ff3c78;
    color: #fff;
}


.empty-transaction-msg {
    text-align: center;
    padding: 20px;
    background-color: #121820;
    color: #bbb;
    font-size: 14px;
    border-radius: 8px;
}
.empty-transaction-msg a {
    color: #4fc3f7;
    text-decoration: underline;
}

.nav-logo {
    height: 90px;
    width: auto;
    object-fit: contain;
    display: block;
}

.logo-link {
    display: flex;
    align-items: center;
    margin-right: 1rem;
}

body,
html {
    margin: 0;
    padding: 0;
}



  
.service-item h4,
.service-item p {
    color: var(--text-color) !important;
}

/* ID Verification Modal */
#verify-modal.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(18, 24, 32, 0.85); /* Matches your dark overlay */
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 1;
    visibility: visible;
}

#verify-modal .modal-content {
    background-color: var(--secondary-bg, #1E2A38);
    padding: 30px 40px;
    border-radius: 10px;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.5);
    width: 90%;
    max-width: 500px;
    border: 1px solid var(--border-color, #2A3B4D);
    color: var(--text-color, #E0E0E0);
    text-align: center;
}

#verify-modal h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: var(--heading-color, #FFFFFF);
}

#verify-modal p {
    color: var(--text-color-darker, #a0a0a0);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
}

#verify-modal .form-group {
    margin-bottom: 1.5rem;
    text-align: left;
}

#verify-modal label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: bold;
    color: var(--text-color, #E0E0E0);
}

#verify-modal input[type="file"] {
    background-color: var(--primary-bg, #121820);
    border: 1px solid var(--border-color, #2A3B4D);
    padding: 10px;
    color: var(--text-color, #E0E0E0);
    width: 100%;
    border-radius: 5px;
    font-size: 0.95rem;
}

#verify-modal .btn {
    width: 100%;
    background-color: var(--accent-color-1, #00BFFF);
    color: var(--primary-bg, #121820);
    border: none;
    padding: 12px 20px;
    font-weight: bold;
    text-transform: uppercase;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

#verify-modal .btn:hover {
    background-color: var(--accent-color-2, #FFD700);
}

.site-footer {
    width: 100%;
    background-color: #0f1c2e;
    color: #fff;
    padding: 30px 0;
    border-top: 1px solid var(--border-color, #2A3B4D);
    text-align: center;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}

.site-footer .footer-inner {
    width: 100%;
    max-width: none;
    padding: 0 30px;
    text-align: center;
}

.site-footer p {
    margin: 4px 0;
    color: #ccc;
    font-size: 14px;
    line-height: 1.6;
}


.site-footer, .site-footer * {
    max-width: none !important;
    box-sizing: border-box;
}

/* Transaction Table Rows */
.transactions-table tbody tr {
    background-color: rgba(255, 255, 255, 0.02); /* subtle row tint */
    transition: background-color 0.3s;
}

.transactions-table tbody tr:hover {
    background-color: rgba(255, 255, 255, 0.05); /* hover effect */
}

.transactions-table td {
    color: var(--text-color); /* make text readable */
    font-size: 0.95rem;
}

/* Status Badge Styling */
.status-badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 12px;
    font-weight: bold;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: #121820;
}

.status-approved {
    background-color: var(--positive-color); /* green */
}

.status-pending {
    background-color: var(--accent-color-2); /* yellow */
}

.status-failed {
    background-color: var(--negative-color); /* red */
}

/* Optional: dim TX hash a little less */
.tx-hash a {
    color: var(--accent-color-1);
    font-family: monospace;
    font-size: 0.85rem;
}

.tx-hash a:hover {
    text-decoration: underline;
}