:root {
    --bg-color: #f7f9fc;
    --text-color-headings: #1A293E;
    --text-color-body: #1A293E;
    --text-color-nav: #5b6b78;
    --header-bg: #fff;
    --header-border: #e1e8ed;
    --button-text: #1A293E;
    --button-border: #1A293E;
    --button-hover-bg: #1A293E;
    --button-hover-text: #fff;
    --contact-box-bg: #e8f5fd;
    --contact-box-link: #1d9bf0;
}

body.dark-theme {
    --bg-color: #0d1a26;
    --text-color-headings: #f7f9fc;
    --text-color-body: #e1e8ed;
    --text-color-nav: #e1e8ed;
    --header-bg: #29405f;
    --header-border: #0d1a26;
    --button-text: #f7f9fc;
    --button-border: #f7f9fc;
    --button-hover-bg: #f7f9fc;
    --button-hover-text: #1A293E;
    --contact-box-bg: #1A293E;
    --contact-box-link: #e8f5fd;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    margin: 0;
    background-color: var(--bg-color);
    color: var(--text-color-body);
    transition: background-color 0.3s, color 0.3s;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

header {
    padding: 20px 0;
    background-color: var(--header-bg);
    border-bottom: 1px solid var(--header-border);
    transition: background-color 0.3s, border-bottom-color 0.3s;
}

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

.logo {
    display: flex;
    align-items: center;
    font-size: 20px;
    font-weight: bold;
    text-decoration: none;
    color: var(--text-color-headings);
}

.logo img {
    margin-right: 10px;
}

nav a {
    text-decoration: none;
    color: var(--text-color-nav);
    margin-left: 30px;
    font-weight: 500;
}

nav a:hover {
    color: #1d9bf0;
}

.button {
    text-decoration: none;
    color: var(--button-text);
    border: 1px solid var(--button-border);
    padding: 10px 20px;
    border-radius: 9999px;
    font-weight: bold;
    transition: all 0.2s;
}

.button:hover {
    background-color: var(--button-hover-bg);
    color: var(--button-hover-text);
}

.button-primary {
    background-color: #1d9bf0;
    color: #fff;
}

.button-primary:hover {
    background-color: #1a8cd8;
}

.main-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 100px 20px;
}

.main-content h1 {
    font-size: 40px;
    margin-bottom: 20px;
    color: var(--text-color-headings);
    max-width: 675px;
    width: 100%;
}

.main-content p {
    font-size: 18px;
    color: var(--text-color-body);
    max-width: 600px;
    margin-bottom: 40px;
    line-height: 1.6;
}

.main-content .button {
    font-size: 18px;
    padding: 15px 30px;
    display: inline-flex;
    align-items: center;
}

.main-content .button img {
    margin-right: 10px;
}

.main-content h2 {
    font-size: 36px;
    margin-top: 40px;
    margin-bottom: 20px;
    color: var(--text-color-headings);
}

.contact-section {
    padding: 80px 20px;
}

.contact-section h1 {
    font-size: 36px;
    margin-bottom: 10px;
    color: var(--text-color-headings);
}

.contact-section p {
    font-size: 18px;
    color: var(--text-color-body);
    margin-bottom: 30px;
}

.contact-box {
    background-color: var(--contact-box-bg);
    border-radius: 12px;
    padding: 40px;
    text-align: center;
    transition: background-color 0.3s;
}

.contact-box a {
    color: var(--contact-box-link);
    text-decoration: none;
    font-weight: 500;
}

.welcome-page h1,
.welcome-page h2,
.welcome-page p {
    text-align: left;
    max-width: 675px;
    width: 100%;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

.theme-switcher {
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

body.dark-theme .logo img {
    filter: none;
}

.theme-switcher .icon {
    width: 24px;
    height: 24px;
    color: var(--text-color-nav);
    transition: color 0.3s;
}

.theme-switcher:hover .icon {
    color: var(--text-color-headings);
}

.theme-switcher .sun-icon { display: block; }
.theme-switcher .moon-icon { display: none; }

body.dark-theme .theme-switcher .sun-icon { display: none; }
body.dark-theme .theme-switcher .moon-icon { display: block; }

/* Privacy page styles */
.privacy-page {
    padding: 60px 20px;
    text-align: left;
    max-width: 800px;
    margin: 0 auto;
}

.privacy-container {
    width: 100%;
}

.privacy-page h1 {
    font-size: 36px;
    margin-bottom: 20px;
    color: var(--text-color-headings);
    text-align: left;
}

.privacy-page h2 {
    font-size: 24px;
    margin-top: 40px;
    margin-bottom: 15px;
    color: var(--text-color-headings);
    border-bottom: 2px solid var(--header-border);
    padding-bottom: 8px;
}

.privacy-page h3 {
    font-size: 20px;
    margin-top: 30px;
    margin-bottom: 10px;
    color: var(--text-color-headings);
}

.privacy-page p {
    font-size: 16px;
    line-height: 1.6;
    margin-bottom: 15px;
    color: var(--text-color-body);
}

.privacy-page ul {
    margin: 15px 0;
    padding-left: 25px;
}

.privacy-page li {
    font-size: 16px;
    line-height: 1.6;
    margin-bottom: 8px;
    color: var(--text-color-body);
}

.privacy-page strong {
    color: var(--text-color-headings);
    font-weight: 600;
}

.privacy-page em {
    font-style: italic;
    color: var(--text-color-nav);
    background-color: var(--contact-box-bg);
    padding: 15px;
    border-radius: 8px;
    display: block;
    margin-top: 20px;
}

@media (max-width: 768px) {
    .privacy-page {
        padding: 40px 15px;
    }
    
    .privacy-page h1 {
        font-size: 28px;
    }
    
    .privacy-page h2 {
        font-size: 22px;
    }
}