:root {
--primary-dark: #121212;
--secondary-dark: #1A1A1A;
--primary-green: #00FF7F;
--text-light: #E0E0E0;
--text-white: #FFFFFF;
--border-color: #333333;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; background-color: var(--primary-dark); color: var(--text-light); line-height: 1.7; }
.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }
h1, h2, h3, h4 { color: var(--text-white); margin-bottom: 1rem; line-height: 1.3; }
h1 { font-size: 2.8rem; }
h2 { font-size: 2rem; margin-top: 3rem; border-left: 4px solid var(--primary-green); padding-left: 1rem; }
h3 { font-size: 1.5rem; margin-top: 2.5rem; }
h4 { font-size: 1.2rem; margin-top: 2rem; }
p { margin-bottom: 1.2rem; }
a { color: var(--primary-green); text-decoration: none; }
a:hover { text-decoration: none; }
ul { list-style-position: inside; padding-left: 0; margin-bottom: 1rem; list-style-type: none; }
ul li { margin-bottom: 0.75rem; position: relative; padding-left: 25px; }
ul li::before { content: '✅'; color: var(--primary-green); position: absolute; left: 0; top: 1px; }
header { background: rgba(26, 26, 26, 0.9); backdrop-filter: blur(10px); border-bottom: 1px solid var(--border-color); padding: 1rem 0; position: sticky; top: 0; z-index: 1000; width: 100%; }
.pr-3{padding-right:15px}
.header-container { display: flex; justify-content: space-between; align-items: center; }
.logo { font-size: 1.8rem; font-weight: bold; color: var(--text-white); }
.logo span { color: var(--primary-green); }
.main-nav { display: flex; gap: 20px; }
.main-nav a { color: var(--text-light); font-weight: 500; transition: color 0.3s ease; }
.main-nav a:hover { color: var(--primary-green); text-decoration: none; }
.auth-buttons { display: flex; gap: 10px; }
.btn { padding: 10px 20px; border: none; border-radius: 5px; cursor: pointer; font-weight: bold; text-decoration: none; text-align: center; transition: all 0.3s ease; display: inline-block; }
.btn-primary { background-color: var(--primary-green); color: var(--primary-dark); }
.btn-primary:hover { background-color: #00e673; transform: translateY(-2px); box-shadow: 0 4px 15px rgba(0, 255, 127, 0.2); }
.btn-secondary { background-color: transparent; color: var(--text-white); border: 2px solid var(--primary-green); }
.btn-secondary:hover { background-color: var(--primary-green); color: var(--primary-dark); }
.hero { padding: 80px 20px; text-align: center; background: radial-gradient(circle, #2a2a2a 0%, var(--primary-dark) 70%); }
.hero h1 { font-size: 3.5rem; text-shadow: 0 0 20px rgba(0, 255, 127, 0.3); }
.hero .subtitle { font-size: 1.3rem; max-width: 700px; margin: 1rem auto 2rem; color: var(--text-light); }
.btn-hero { padding: 15px 40px; font-size: 1.2rem; border-radius: 50px; }
.mobile-cta, .burger-menu { display: none; }
.mobile-nav { position: fixed; top: 0; right: -100%; width: 80%; max-width: 300px; height: 100%; background-color: var(--secondary-dark); box-shadow: -5px 0 15px rgba(0,0,0,0.5); transition: right 0.3s ease-in-out; padding: 60px 20px 20px; z-index: 1001; }
.mobile-nav.active { right: 0; }
.mobile-nav nav { display: flex; flex-direction: column; gap: 20px; }
.mobile-nav a { color: var(--text-white); font-size: 1.2rem; padding: 10px; border-bottom: 1px solid var(--border-color); }
.close-btn { position: absolute; top: 20px; right: 20px; background: none; border: none; color: var(--text-white); font-size: 2rem; cursor: pointer; }
main { padding-top: 3rem; }
#toc-container { background-color: var(--secondary-dark); border-radius: 8px; padding: 1.5rem; margin: 3rem 0; border-left: 5px solid var(--primary-green); }
#toc-container h3 { margin-top: 0; border-left: none; padding-left: 0; font-size: 1.5rem; }
#toc-list { list-style: none; padding-left: 0; }
#toc-list li::before { content: '→'; }
#toc-list li a { color: var(--text-light); }
#toc-list li a:hover { color: var(--primary-green); }
.key-takeaways { background: var(--secondary-dark); border-radius: 8px; padding: 1.5rem; margin: 2rem 0; }
.key-takeaways h3 { margin-top: 0; }
.image-placeholder { width: 100%; min-height: 250px; background-color: #2a2a2a; border: 2px dashed var(--border-color); display: flex; align-items: center; justify-content: center; padding: 1rem; text-align: center; color: #777; border-radius: 8px; margin: 2rem 0; }
.info-box { background: var(--secondary-dark); border-radius: 8px; padding: 1.5rem; margin: 2rem 0; border-left: 4px solid var(--primary-green); }
table { width: 100%; border-collapse: collapse; margin: 2rem 0; }
table th, table td { padding: 12px; border: 1px solid var(--border-color); text-align: left; }
table th { background-color: var(--secondary-dark); color: var(--text-white); }
table tr:nth-child(even) { background-color: #222; }
footer { background-color: var(--secondary-dark); border-top: 1px solid var(--border-color); padding: 2rem 0; margin-top: 3rem; text-align: center; }
.footer-nav { display: flex; justify-content: center; gap: 20px; margin: 1rem 0; flex-wrap: wrap; }
.footer-nav a { color: var(--text-light); }
.copyright { color: #888; font-size: 0.9rem; }
.footer-logo { margin-bottom: 1rem; }
@media (max-width: 992px) {
.main-nav, .auth-buttons { display: none; }
.mobile-cta, .burger-menu { display: block; }
.burger-menu { background: none; border: none; cursor: pointer; display: flex; flex-direction: column; gap: 5px; }
.burger-menu .bar { width: 25px; height: 3px; background-color: var(--text-white); transition: all 0.3s ease; }
h1 { font-size: 2.5rem; }
.hero h1 { font-size: 2.8rem; }
h2 { font-size: 1.7rem; }
}
@media (max-width: 480px) {
.hero h1 { font-size: 2.2rem; }
.hero .subtitle { font-size: 1.1rem; }
}