:root {
    --primary-color: #FFD700;
    --secondary-color: #333333;
    --text-color: #252525;
    --bg-color: #FFFFFF;
    --danger-color: #FF3B30;
    --success-color: #34C759;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    background-color: var(--bg-color);
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header Styles */
header {
    background-color: var(--bg-color);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
}

.logo h1 {
    color: var(--secondary-color);
    font-size: 1.8rem;
    position: relative;
}

.logo h1::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 60%;
    height: 3px;
    background-color: var(--primary-color);
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: 30px;
}

nav ul li a {
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

nav ul li a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: var(--transition);
}

nav ul li a:hover::after {
    width: 100%;
}

/* Hero Section */
.hero {
    padding: 80px 0;
    background-color: #f8f8f8;
    text-align: center;
}

.hero h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: var(--secondary-color);
}

.hero p {
    font-size: 1.2rem;
    max-width: 800px;
    margin: 0 auto;
}

/* Footer */
footer {
    background-color: var(--secondary-color);
    color: #fff;
    padding: 30px 0;
    text-align: center;
}

/* Button Styles */
.btn {
    display: inline-block;
    padding: 12px 25px;
    background-color: var(--primary-color);
    color: var(--secondary-color);
    border: none;
    border-radius: 30px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    text-align: center;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.btn-danger {
    background-color: var(--danger-color);
    color: white;
}

/* Card Styles */
.card {
    background-color: #fff;
    border-radius: 10px;
    box-shadow: var(--shadow);
    padding: 25px;
    margin-bottom: 30px;
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

/* Back to top button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    z-index: 99;
    box-shadow: var(--shadow);
    transition: var(--transition);
    opacity: 0;
    visibility: hidden;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-3px);
}

/* Help Icon */
.help-icon {
    position: fixed;
    bottom: 30px;
    left: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    z-index: 99;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.help-icon:hover {
    transform: scale(1.1);
}

/* Responsive Design */
@media screen and (max-width: 768px) {
    header .container {
        flex-direction: column;
    }
    
    nav ul {
        margin-top: 20px;
    }
    
    nav ul li {
        margin-left: 15px;
        margin-right: 15px;
    }
    
    .hero h2 {
        font-size: 2rem;
    }
}

/* Dark Mode Toggle */
.dark-mode-toggle {
    position: absolute;
    top: 20px;
    right: 20px;
    cursor: pointer;
    z-index: 101;
}

body.dark-mode {
    --text-color: #f8f8f8;
    --bg-color: #1c1c1e;
    --secondary-color: #f8f8f8;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
}

body.dark-mode .card {
    background-color: #2c2c2e;
}

body.dark-mode .hero {
    background-color: #2c2c2e;
}

/* Accordion Styles for Privacy Policy */
.accordion {
    margin-bottom: 20px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.accordion-header {
    background-color: var(--primary-color);
    padding: 15px 20px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
}

.accordion-content {
    padding: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    background-color: var(--bg-color);
}

.accordion-content.active {
    padding: 20px;
    max-height: 500px;
}

/* Modal Styles */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.modal.show {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background-color: var(--bg-color);
    padding: 30px;
    border-radius: 10px;
    max-width: 500px;
    width: 90%;
    box-shadow: var(--shadow);
    transform: translateY(-50px);
    transition: transform 0.3s ease;
}

.modal.show .modal-content {
    transform: translateY(0);
}

.modal-header {
    margin-bottom: 20px;
    text-align: center;
}

.modal-footer {
    display: flex;
    justify-content: space-between;
    margin-top: 30px;
}

/* Loading Animation */
.loading-bar {
    height: 4px;
    width: 100%;
    background-color: #e0e0e0;
    border-radius: 2px;
    margin: 30px 0;
    overflow: hidden;
}

.loading-bar::before {
    content: '';
    display: block;
    height: 100%;
    width: 50%;
    background-color: var(--primary-color);
    animation: loading 2s infinite ease-in-out;
}

@keyframes loading {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(200%);
    }
}

/* Tooltip */
.tooltip {
    position: relative;
    display: inline-block;
    margin-left: 5px;
    cursor: pointer;
}

.tooltip .tooltip-text {
    visibility: hidden;
    width: 200px;
    background-color: var(--secondary-color);
    color: #fff;
    text-align: center;
    border-radius: 6px;
    padding: 10px;
    position: absolute;
    z-index: 1;
    bottom: 125%;
    left: 50%;
    transform: translateX(-50%);
    opacity: 0;
    transition: var(--transition);
}

.tooltip:hover .tooltip-text {
    visibility: visible;
    opacity: 1;
}