/* Import Satoshi Font */
@import url('https://api.fontshare.com/v2/css?f[]=satoshi@400,500,700&display=swap');

/* CSS Variables */
:root {
    --primary-color: #DC143C;
    --primary-dark: #A00020;
    --accent-color: #FFFFF0;
    --accent-dark: #F5F5DC;
    --text-dark: #1a1a1a;
    --text-light: #FFFFF0;
    --bg-light: #fafafa;
    --bg-dark: #1a1a1a;
}

/* Reset and Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Satoshi', -apple-system, BlinkMacSystemFont, sans-serif !important;
    font-size: 18px !important;
    line-height: 1.7 !important;
    color: var(--text-dark) !important;
    background-color: var(--bg-light) !important;
}

/* Bootstrap Navbar Fixes - CRITICAL */
.navbar-nav {
    margin-bottom: 0 !important;
    margin-top: 0 !important;
    list-style: none !important;
}

.navbar-nav::before,
.navbar-nav::after {
    display: none !important;
    content: none !important;
}

.nav-item {
    margin-bottom: 0 !important;
    list-style: none !important;
}

.nav-item::before,
.nav-item::after {
    display: none !important;
    content: none !important;
}

.nav-link::before,
.nav-link::after {
    display: none !important;
    content: none !important;
}

/* Navbar Styling */
.navbar {
    background-color: var(--bg-dark) !important;
    padding: 1rem 0 !important;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1) !important;
}

.navbar-brand {
    display: flex !important;
    align-items: center !important;
    gap: 10px !important;
    font-weight: 700 !important;
    font-size: 1.5rem !important;
    color: var(--accent-color) !important;
}

.navbar-brand img {
    width: 40px !important;
    height: 40px !important;
    box-shadow: none !important;
}

.navbar-brand:hover {
    color: var(--primary-color) !important;
}

.nav-link {
    color: var(--accent-color) !important;
    font-weight: 500 !important;
    padding: 0.5rem 1rem !important;
    transition: color 0.3s ease !important;
}

.nav-link:hover {
    color: var(--primary-color) !important;
}

.navbar-toggler {
    border-color: var(--accent-color) !important;
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%23FFFFF0' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
}

/* CTA Button in Navbar */
.btn-cta-nav {
    background-color: var(--primary-color) !important;
    color: var(--text-light) !important;
    padding: 10px 20px !important;
    border-radius: 5px !important;
    font-weight: 600 !important;
    text-decoration: none !important;
    white-space: nowrap !important;
    border: none !important;
    transition: background-color 0.3s ease !important;
}

.btn-cta-nav:hover {
    background-color: var(--primary-dark) !important;
    color: var(--text-light) !important;
}

/* Hero Section */
.hero-section {
    background-size: cover !important;
    background-position: center !important;
    background-repeat: no-repeat !important;
    position: relative !important;
    min-height: 500px !important;
    display: flex !important;
    align-items: center !important;
    padding: 80px 0 !important;
}

.hero-section::before {
    content: '' !important;
    position: absolute !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    background: linear-gradient(135deg, rgba(26,26,26,0.9) 0%, rgba(26,26,26,0.7) 100%) !important;
    z-index: 1 !important;
}

.hero-content {
    position: relative !important;
    z-index: 2 !important;
    color: var(--text-light) !important;
}

.hero-section h1 {
    font-size: 3rem !important;
    font-weight: 700 !important;
    margin-bottom: 1.5rem !important;
    color: var(--accent-color) !important;
    line-height: 1.2 !important;
}

.hero-section p {
    font-size: 1.2rem !important;
    margin-bottom: 2rem !important;
    color: var(--accent-color) !important;
    opacity: 0.9 !important;
}

.btn-hero {
    background-color: var(--primary-color) !important;
    color: var(--text-light) !important;
    padding: 15px 40px !important;
    font-size: 1.1rem !important;
    font-weight: 600 !important;
    border-radius: 5px !important;
    text-decoration: none !important;
    display: inline-block !important;
    white-space: nowrap !important;
    border: none !important;
    transition: all 0.3s ease !important;
}

.btn-hero:hover {
    background-color: var(--primary-dark) !important;
    color: var(--text-light) !important;
    transform: translateY(-2px) !important;
}

/* Table of Contents */
.toc-section {
    padding: 40px 0 !important;
    background-color: var(--bg-light) !important;
}

.toc-buttons {
    display: flex !important;
    flex-wrap: wrap !important;
    gap: 15px !important;
    justify-content: center !important;
}

.btn-toc {
    background-color: transparent !important;
    color: var(--primary-color) !important;
    border: 2px solid var(--primary-color) !important;
    padding: 12px 24px !important;
    font-weight: 500 !important;
    border-radius: 5px !important;
    text-decoration: none !important;
    white-space: nowrap !important;
    transition: all 0.3s ease !important;
}

.btn-toc:hover {
    background-color: var(--primary-color) !important;
    color: var(--text-light) !important;
}

/* Section Styling */
.content-section {
    padding: 60px 0 !important;
}

.content-section:nth-child(even) {
    background-color: #fff !important;
}

.content-section:nth-child(odd) {
    background-color: var(--bg-light) !important;
}

.content-section h2 {
    font-size: 2rem !important;
    font-weight: 700 !important;
    margin-bottom: 1.5rem !important;
    color: var(--text-dark) !important;
}

.content-section h3 {
    font-size: 1.5rem !important;
    font-weight: 600 !important;
    margin-bottom: 1rem !important;
    color: var(--text-dark) !important;
}

.content-section p {
    font-size: 1.1rem !important;
    margin-bottom: 1.5rem !important;
    color: var(--text-dark) !important;
}

/* Card Styling */
.info-card {
    background: #fff !important;
    border-radius: 10px !important;
    padding: 30px !important;
    margin-bottom: 30px !important;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08) !important;
    border-left: 4px solid var(--primary-color) !important;
}

.info-card h3 {
    color: var(--primary-color) !important;
    margin-bottom: 1rem !important;
}

/* Lists Styling */
ul, ol {
    list-style: none !important;
    padding-left: 0 !important;
    margin-bottom: 1.5rem !important;
}

ul li, ol li {
    position: relative !important;
    padding-left: 30px !important;
    margin-bottom: 12px !important;
    font-size: 1.1rem !important;
}

ul li::before {
    content: '—' !important;
    position: absolute !important;
    left: 0 !important;
    color: var(--accent-dark) !important;
    font-weight: bold !important;
}

ol {
    counter-reset: item !important;
}

ol li::before {
    counter-increment: item !important;
    content: counter(item) '.' !important;
    position: absolute !important;
    left: 0 !important;
    color: var(--primary-color) !important;
    font-weight: 700 !important;
}

/* Navbar and Footer lists - NO markers */
.navbar ul,
.navbar ol,
footer ul,
footer ol,
.navbar-nav,
.footer-links {
    list-style: none !important;
    padding-left: 0 !important;
}

.navbar ul li,
.navbar ol li,
footer ul li,
footer ol li,
.navbar-nav li,
.footer-links li {
    padding-left: 0 !important;
}

.navbar ul li::before,
.navbar ol li::before,
footer ul li::before,
footer ol li::before,
.navbar-nav li::before,
.footer-links li::before,
.navbar ul li::after,
.navbar ol li::after,
footer ul li::after,
footer ol li::after,
.navbar-nav li::after,
.footer-links li::after {
    display: none !important;
    content: none !important;
}

/* Table Styling */
.table-container {
    overflow-x: auto !important;
    margin-bottom: 2rem !important;
    border-radius: 10px !important;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08) !important;
}

table {
    width: 100% !important;
    border-collapse: collapse !important;
    background: #fff !important;
    min-width: 600px !important;
}

thead {
    background-color: var(--primary-color) !important;
}

thead th {
    color: var(--text-light) !important;
    font-weight: 600 !important;
    padding: 15px 20px !important;
    text-align: left !important;
    font-size: 1rem !important;
}

tbody td {
    padding: 15px 20px !important;
    border-bottom: 1px solid #eee !important;
    font-size: 1rem !important;
}

tbody tr:hover {
    background-color: rgba(220,20,60,0.05) !important;
}

/* Images */
.content-section img {
    max-width: 100% !important;
    height: auto !important;
    border-radius: 10px !important;
    margin: 20px 0 !important;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1) !important;
}

/* Conversion Buttons */
.btn-conversion {
    background-color: var(--primary-color) !important;
    color: var(--text-light) !important;
    padding: 15px 35px !important;
    font-size: 1.1rem !important;
    font-weight: 600 !important;
    border-radius: 5px !important;
    text-decoration: none !important;
    display: inline-block !important;
    white-space: nowrap !important;
    border: none !important;
    transition: all 0.3s ease !important;
    margin: 20px 0 !important;
}

.btn-conversion:hover {
    background-color: var(--primary-dark) !important;
    color: var(--text-light) !important;
}

/* Material Icons */
.material-icons {
    color: var(--primary-color) !important;
    vertical-align: middle !important;
    margin-right: 8px !important;
}

/* Footer */
footer {
    background-color: var(--bg-dark) !important;
    color: var(--accent-color) !important;
    padding: 60px 0 30px !important;
}

footer h5 {
    color: var(--accent-color) !important;
    font-weight: 700 !important;
    margin-bottom: 1.5rem !important;
    font-size: 1.2rem !important;
}

footer p {
    color: var(--accent-color) !important;
    opacity: 0.8 !important;
    font-size: 1rem !important;
}

.footer-links {
    list-style: none !important;
    padding: 0 !important;
    margin: 0 !important;
}

.footer-links li {
    margin-bottom: 10px !important;
    padding-left: 0 !important;
}

.footer-links li::before,
.footer-links li::after {
    display: none !important;
    content: none !important;
}

.footer-links a {
    color: var(--accent-color) !important;
    text-decoration: none !important;
    opacity: 0.8 !important;
    transition: opacity 0.3s ease !important;
    font-size: 1rem !important;
}

.footer-links a:hover {
    opacity: 1 !important;
    color: var(--primary-color) !important;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,240,0.2) !important;
    margin-top: 40px !important;
    padding-top: 20px !important;
    text-align: center !important;
}

.footer-bottom p {
    margin: 0 !important;
    opacity: 0.6 !important;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-section h1 {
        font-size: 2rem !important;
    }

    .hero-section p {
        font-size: 1rem !important;
    }

    .content-section h2 {
        font-size: 1.5rem !important;
    }

    .toc-buttons {
        flex-direction: column !important;
        align-items: center !important;
    }

    .btn-toc {
        width: 100% !important;
        max-width: 300px !important;
        text-align: center !important;
    }

    .content-section {
        padding: 40px 0 !important;
    }

    .navbar-brand {
        font-size: 1.2rem !important;
    }
}

@media (max-width: 576px) {
    body {
        font-size: 16px !important;
    }

    .hero-section {
        min-height: 400px !important;
        padding: 60px 0 !important;
    }

    .hero-section h1 {
        font-size: 1.75rem !important;
    }

    .btn-hero {
        padding: 12px 30px !important;
        font-size: 1rem !important;
    }
}