:root {
    --primary-color: #333;
    --secondary-color: #f2f2f2;
    --accent-color: #9b59b6;
    --subscribe-color: #3498db;
    --font-family: 'Poppins', sans-serif;
}

body {
    font-family: var(--font-family);
    margin: 0;
    background-color: var(--secondary-color);
    color: var(--primary-color);
}

/* General Container for Centering */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Header */
header {
    background-color: white;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 60px;
}

.logo-link {
    text-decoration: none;
    color: inherit;
    z-index: 10;
}

.logo {
    font-weight: bold;
    font-size: 1.5rem;
}

/* Hamburger Button */
.hamburger-btn {
    display: none; /* Hidden by default */
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 10;
}

.hamburger-btn span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--primary-color);
    margin: 5px 0;
    transition: all 0.3s ease-in-out;
}

/* Nav Wrapper */
.nav-wrapper {
    display: flex;
    align-items: center;
}

nav a {
    position: relative;
    text-decoration: none;
    color: var(--primary-color);
    margin: 0 1rem;
    padding-bottom: 5px;
    transition: transform 0.3s ease, color 0.3s ease;
}

nav a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-color);
    transition: width 0.3s ease;
}

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

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

.auth-buttons {
    display: flex;
    align-items: center;
}

.auth-buttons button, .auth-buttons .signup-btn {
    border: none;
    padding: 0.75rem 1rem;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.3s ease;
    margin-left: 0.5rem;
    text-decoration: none;
    text-align: center;
    box-sizing: border-box;
}

.login-btn {
    background-color: transparent;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
}

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

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

.subscribe-btn:hover {
    background-color: #2980b9;
}

/* News Ticker */
.news-ticker-container {
    background-color: var(--primary-color);
    color: white;
    padding: 0.5rem 0;
    overflow: hidden;
}

.news-ticker {
    display: flex;
    animation: ticker 30s linear infinite;
}

.news-ticker p {
    margin: 0 2rem;
    white-space: nowrap;
}

@keyframes ticker {
    from { transform: translateX(100%); }
    to { transform: translateX(-100%); }
}

/* Main Content */
main {
    padding: 1rem 0;
}

.sub-header {
    text-align: center;
    padding: 1rem;
    background-color: #f8f8f8;
    border-bottom: 1px solid #ddd;
    margin-bottom: 1rem;
}

.sub-header h2 { font-weight: bold; margin: 0; }

/* Footer */
footer {
    background-color: white;
    margin-top: 2rem;
    padding: 1rem 0;
}

footer p { text-align: center; margin: 0; }

/* Modal Styles */
.modal { display: none; position: fixed; z-index: 1000; left: 0; top: 0; width: 100%; height: 100%; background-color: rgba(0, 0, 0, 0.5); justify-content: center; align-items: center; }
.modal-content { background-color: white; padding: 2rem; border-radius: 10px; box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3); width: 90%; max-width: 400px; position: relative; animation: slide-down 0.4s ease-out; }
@keyframes slide-down { from { transform: translateY(-50px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
.close-btn { position: absolute; top: 10px; right: 15px; font-size: 1.5rem; font-weight: bold; color: #aaa; cursor: pointer; }
.close-btn:hover { color: #333; }
.modal-content h2, .join-form-container h2 { text-align: center; margin-bottom: 1.5rem; }
#login-form input, #join-form input, #join-form select { width: 100%; padding: 0.75rem; margin-bottom: 1rem; border: 1px solid #ddd; border-radius: 5px; box-sizing: border-box; font-family: var(--font-family); color: var(--primary-color); }
#join-form select:invalid { color: #999; }
.submit-btn { width: 100%; padding: 0.75rem; background-color: var(--accent-color); color: white; border: none; border-radius: 5px; cursor: pointer; font-size: 1rem; transition: background-color 0.3s ease; margin-top: 1rem; }
.submit-btn:hover { background-color: #8e44ad; }

/* Join Page Styles */
.join-container { display: flex; justify-content: center; align-items: center; padding: 1rem; }
.join-form-container { background-color: white; padding: 2rem; border-radius: 10px; box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1); width: 90%; max-width: 400px; }
.form-row { display: flex; flex-direction: column; gap: 1rem; }

/* Mobile Styles (up to 767px) */
@media (max-width: 767px) {
    .header-content { padding: 0 1rem; }
    .hamburger-btn { display: block; }
    .nav-wrapper { position: absolute; top: 0; left: 0; width: 100%; height: 100vh; background-color: white; flex-direction: column; justify-content: center; align-items: center; transform: translateX(-100%); transition: transform 0.3s ease-in-out; }
    .nav-wrapper.active { transform: translateX(0); }
    nav { flex-direction: column; margin-bottom: 2rem; }
    nav a { margin: 1rem 0; font-size: 1.5rem; }
    .auth-buttons { flex-direction: column; }
    .auth-buttons button, .auth-buttons .signup-btn { margin: 0.5rem 0; width: 200px; }
    .hamburger-btn.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
    .hamburger-btn.active span:nth-child(2) { opacity: 0; }
    .hamburger-btn.active span:nth-child(3) { transform: rotate(-45deg) translate(7px, -6px); }
}

/* Tablet and Desktop Styles */
@media (min-width: 768px) {
    .form-row { flex-direction: row; }
}