/* Import Public Sans font */
@import url('https://fonts.googleapis.com/css2?family=Public+Sans:wght@300;400;600;700&display=swap');

/* Root variables */
:root {
    --primary-color: deepskyblue;
    --accent-color: crimson;
    --text-color: #333;
    --bg-light: #f8f9fa;
    --bg-white: #ffffff;
    --border-color: #dee2e6;
}

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

body {
    font-family: 'Public Sans', sans-serif !important;
    font-size: 18px !important;
    line-height: 1.7 !important;
    color: var(--text-color) !important;
    background-color: var(--bg-white) !important;
}

/* Reset default list styles */
ul, ol {
    list-style: none !important;
    padding-left: 0 !important;
    margin-left: 0 !important;
}

/* Content lists styling with chevron markers */
.content-section ul li,
.content-section ol li {
    position: relative !important;
    padding-left: 30px !important;
    margin-bottom: 12px !important;
}

.content-section ul li:before {
    content: '›' !important;
    position: absolute !important;
    left: 0 !important;
    color: var(--accent-color) !important;
    font-size: 24px !important;
    font-weight: bold !important;
    line-height: 1.3 !important;
}

.content-section ol {
    counter-reset: item !important;
}

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

/* Navigation styles */
.navbar {
    background-color: var(--bg-white) !important;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1) !important;
    padding: 15px 0 !important;
}

.navbar ul,
.navbar ol,
.navbar li {
    list-style: none !important;
}

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

.navbar-brand {
    font-size: 28px !important;
    font-weight: 700 !important;
    color: var(--primary-color) !important;
    display: flex !important;
    align-items: center !important;
    gap: 10px !important;
}

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

.navbar-nav .nav-link {
    color: var(--text-color) !important;
    font-size: 18px !important;
    font-weight: 500 !important;
    padding: 8px 16px !important;
    transition: color 0.3s ease !important;
}

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

.cta-button-nav {
    background-color: transparent !important;
    color: var(--accent-color) !important;
    border: 2px solid var(--accent-color) !important;
    padding: 10px 24px !important;
    font-size: 18px !important;
    font-weight: 600 !important;
    border-radius: 5px !important;
    text-decoration: none !important;
    white-space: nowrap !important;
    transition: all 0.3s ease !important;
    display: inline-block !important;
}

.cta-button-nav:hover {
    background-color: var(--accent-color) !important;
    color: var(--bg-white) !important;
}

/* Hero section */
.hero-section {
    background: linear-gradient(135deg, rgba(0, 191, 255, 0.1) 0%, rgba(255, 255, 255, 1) 100%) !important;
    padding: 80px 0 !important;
    margin-bottom: 60px !important;
}

.hero-section h1 {
    font-size: 48px !important;
    font-weight: 700 !important;
    color: var(--text-color) !important;
    margin-bottom: 25px !important;
    line-height: 1.2 !important;
}

.hero-section p {
    font-size: 20px !important;
    color: var(--text-color) !important;
    margin-bottom: 30px !important;
    line-height: 1.6 !important;
}

.hero-section img {
    width: 100% !important;
    height: auto !important;
    border-radius: 10px !important;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1) !important;
}

.cta-button {
    background-color: transparent !important;
    color: var(--primary-color) !important;
    border: 2px solid var(--primary-color) !important;
    padding: 14px 32px !important;
    font-size: 20px !important;
    font-weight: 600 !important;
    border-radius: 5px !important;
    text-decoration: none !important;
    white-space: nowrap !important;
    display: inline-block !important;
    transition: all 0.3s ease !important;
}

.cta-button:hover {
    background-color: var(--primary-color) !important;
    color: var(--bg-white) !important;
}

/* Table of Contents */
.toc-section {
    background-color: var(--bg-light) !important;
    padding: 40px !important;
    border-radius: 10px !important;
    margin-bottom: 60px !important;
}

.toc-section ul {
    list-style: none !important;
    padding: 0 !important;
}

.toc-section li {
    padding: 0 !important;
    margin-bottom: 15px !important;
}

.toc-section li:before {
    display: none !important;
    content: none !important;
}

.toc-section a {
    color: var(--text-color) !important;
    font-size: 18px !important;
    font-weight: 500 !important;
    text-decoration: none !important;
    transition: color 0.3s ease !important;
    display: block !important;
    padding: 10px 15px !important;
    border-left: 3px solid transparent !important;
}

.toc-section a:hover {
    color: var(--primary-color) !important;
    border-left-color: var(--primary-color) !important;
    background-color: rgba(0, 191, 255, 0.05) !important;
}

/* Section styles */
.content-section {
    margin-bottom: 60px !important;
    padding-top: 20px !important;
}

.content-section h2 {
    font-size: 38px !important;
    font-weight: 700 !important;
    color: var(--text-color) !important;
    margin-bottom: 25px !important;
    padding-bottom: 15px !important;
    border-bottom: 3px solid var(--primary-color) !important;
}

.content-section h3 {
    font-size: 28px !important;
    font-weight: 600 !important;
    color: var(--text-color) !important;
    margin-top: 30px !important;
    margin-bottom: 20px !important;
}

.content-section p {
    font-size: 18px !important;
    color: var(--text-color) !important;
    margin-bottom: 20px !important;
    line-height: 1.7 !important;
}

.content-section img {
    border-radius: 10px !important;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1) !important;
}

/* Cards */
.card {
    border: 1px solid var(--border-color) !important;
    border-radius: 10px !important;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05) !important;
    transition: transform 0.3s ease, box-shadow 0.3s ease !important;
    margin-bottom: 25px !important;
    background-color: var(--bg-white) !important;
}

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

.card-header {
    background-color: var(--primary-color) !important;
    color: var(--bg-white) !important;
    font-size: 22px !important;
    font-weight: 600 !important;
    padding: 15px 20px !important;
    border-radius: 10px 10px 0 0 !important;
}

.card-body {
    padding: 25px !important;
}

.card-body ul li {
    position: relative !important;
    padding-left: 30px !important;
    margin-bottom: 12px !important;
    font-size: 18px !important;
}

.card-body ul li:before {
    content: '›' !important;
    position: absolute !important;
    left: 0 !important;
    color: var(--accent-color) !important;
    font-size: 24px !important;
    font-weight: bold !important;
    line-height: 1.3 !important;
}

/* Icon styles */
.icon {
    color: var(--primary-color) !important;
    margin-right: 10px !important;
}

.icon-accent {
    color: var(--accent-color) !important;
    margin-right: 10px !important;
}

/* Table styles */
.table-container {
    overflow-x: auto !important;
    margin: 30px 0 !important;
    border-radius: 10px !important;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05) !important;
}

table {
    width: 100% !important;
    border-collapse: collapse !important;
    background-color: var(--bg-white) !important;
    font-size: 18px !important;
}

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

thead th {
    padding: 15px !important;
    text-align: left !important;
    font-weight: 600 !important;
    white-space: nowrap !important;
}

tbody tr {
    border-bottom: 1px solid var(--border-color) !important;
}

tbody tr:hover {
    background-color: var(--bg-light) !important;
}

tbody td {
    padding: 15px !important;
    color: var(--text-color) !important;
}

/* Footer styles */
footer {
    background-color: #2c3e50 !important;
    color: var(--bg-white) !important;
    padding: 50px 0 30px !important;
    margin-top: 80px !important;
}

footer h5 {
    font-size: 22px !important;
    font-weight: 600 !important;
    margin-bottom: 20px !important;
    color: var(--bg-white) !important;
}

footer ul,
footer ol {
    list-style: none !important;
    padding: 0 !important;
}

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

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

footer a {
    color: var(--bg-white) !important;
    text-decoration: none !important;
    font-size: 18px !important;
    transition: color 0.3s ease !important;
}

footer a:hover {
    color: var(--primary-color) !important;
}

footer .footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1) !important;
    margin-top: 40px !important;
    padding-top: 20px !important;
    text-align: center !important;
    color: rgba(255, 255, 255, 0.7) !important;
    font-size: 16px !important;
}

/* Responsive design */
@media (max-width: 768px) {
    .hero-section h1 {
        font-size: 36px !important;
    }

    .hero-section p {
        font-size: 18px !important;
    }

    .content-section h2 {
        font-size: 32px !important;
    }

    .content-section h3 {
        font-size: 24px !important;
    }

    .navbar-brand {
        font-size: 24px !important;
    }

    .cta-button,
    .cta-button-nav {
        font-size: 18px !important;
        padding: 12px 24px !important;
    }
}

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

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

    .hero-section h1 {
        font-size: 28px !important;
    }

    .hero-section p {
        font-size: 16px !important;
    }

    .content-section h2 {
        font-size: 26px !important;
    }

    .content-section h3 {
        font-size: 20px !important;
    }

    .content-section p {
        font-size: 16px !important;
    }

    .cta-button,
    .cta-button-nav {
        font-size: 16px !important;
        padding: 10px 20px !important;
    }

    .toc-section {
        padding: 20px !important;
    }
}