/* Public Sans Font */
@import url('https://fonts.googleapis.com/css2?family=Public+Sans:wght@400;500;600;700&display=swap');

/* CSS Variables */
:root {
    --primary-color: #FF4500;
    --accent-color: #191970;
    --primary-light: #FF6347;
    --accent-light: #4169E1;
    --text-dark: #1a1a2e;
    --text-light: #f8f9fa;
    --bg-light: #f8f9fa;
    --bg-dark: #191970;
}

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

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

/* Bootstrap Navbar Required Rules */
.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;
}

/* Navigation */
.navbar {
    background-color: var(--accent-color) !important;
    padding: 0.8rem 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(--text-light) !important;
}

.navbar-brand img {
    height: 45px !important;
    width: auto !important;
}

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

.nav-link {
    color: var(--text-light) !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(--primary-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='%23FF4500' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
}

/* CTA Button in Nav */
.btn-cta-nav {
    background-color: var(--primary-color) !important;
    color: var(--text-light) !important;
    padding: 0.6rem 1.5rem !important;
    border-radius: 5px !important;
    font-weight: 600 !important;
    white-space: nowrap !important;
    border: none !important;
    transition: background-color 0.3s ease !important;
}

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

/* Hero Section */
.hero-section {
    position: relative !important;
    min-height: 500px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    background-size: cover !important;
    background-position: center !important;
    background-repeat: no-repeat !important;
    padding: 100px 20px !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(25, 25, 112, 0.92) 0%, rgba(25, 25, 112, 0.85) 100%) !important;
    z-index: 1 !important;
}

.hero-content {
    position: relative !important;
    z-index: 2 !important;
    text-align: center !important;
    max-width: 900px !important;
}

.hero-section h1 {
    color: var(--text-light) !important;
    font-size: 2.8rem !important;
    font-weight: 700 !important;
    margin-bottom: 1.5rem !important;
    line-height: 1.2 !important;
}

.hero-section p {
    color: var(--text-light) !important;
    font-size: 1.2rem !important;
    margin-bottom: 2rem !important;
    opacity: 0.95 !important;
}

.btn-hero {
    background-color: var(--primary-color) !important;
    color: var(--text-light) !important;
    padding: 1rem 2.5rem !important;
    font-size: 1.1rem !important;
    font-weight: 600 !important;
    border: none !important;
    border-radius: 5px !important;
    white-space: nowrap !important;
    transition: background-color 0.3s ease, transform 0.2s ease !important;
    display: inline-block !important;
    text-decoration: none !important;
}

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

/* Table of Contents */
.toc-section {
    background-color: var(--bg-light) !important;
    padding: 3rem 0 !important;
}

.toc-buttons {
    display: flex !important;
    flex-wrap: wrap !important;
    gap: 1rem !important;
    justify-content: center !important;
}

.btn-outline-toc {
    border: 2px solid var(--accent-color) !important;
    color: var(--accent-color) !important;
    background-color: transparent !important;
    padding: 0.7rem 1.5rem !important;
    font-weight: 500 !important;
    border-radius: 5px !important;
    white-space: nowrap !important;
    transition: all 0.3s ease !important;
    text-decoration: none !important;
}

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

/* Main Content Sections */
.content-section {
    padding: 4rem 0 !important;
}

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

.content-section h2 {
    color: var(--accent-color) !important;
    font-size: 2rem !important;
    font-weight: 700 !important;
    margin-bottom: 1.5rem !important;
    padding-bottom: 0.5rem !important;
    border-bottom: 3px solid var(--primary-color) !important;
}

.content-section h3 {
    color: var(--text-dark) !important;
    font-size: 1.4rem !important;
    font-weight: 600 !important;
    margin-top: 2rem !important;
    margin-bottom: 1rem !important;
}

.content-section p {
    font-size: 1.1rem !important;
    margin-bottom: 1rem !important;
    color: var(--text-dark) !important;
}

/* Images */
.content-section img {
    max-width: 100% !important;
    height: auto !important;
    border-radius: 10px !important;
    margin: 1.5rem 0 !important;
}

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

.content-section ul li,
.content-section ol li {
    position: relative !important;
    padding-left: 1.8rem !important;
    margin-bottom: 0.8rem !important;
    font-size: 1.1rem !important;
}

.content-section ul li::before {
    content: '' !important;
    position: absolute !important;
    left: 0 !important;
    top: 0.5rem !important;
    width: 10px !important;
    height: 10px !important;
    background-color: var(--accent-color) !important;
    border-radius: 50% !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;
    top: 0 !important;
    width: 24px !important;
    height: 24px !important;
    background-color: var(--accent-color) !important;
    color: var(--text-light) !important;
    border-radius: 50% !important;
    font-size: 0.85rem !important;
    font-weight: 600 !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
}

/* Tables */
.table-container {
    overflow-x: auto !important;
    margin: 1.5rem 0 !important;
    border-radius: 10px !important;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08) !important;
}

.content-section table {
    width: 100% !important;
    border-collapse: collapse !important;
    min-width: 500px !important;
}

.content-section table th {
    background-color: var(--accent-color) !important;
    color: var(--text-light) !important;
    padding: 1rem !important;
    text-align: left !important;
    font-weight: 600 !important;
    font-size: 1rem !important;
}

.content-section table td {
    padding: 1rem !important;
    border-bottom: 1px solid #e9ecef !important;
    font-size: 1rem !important;
}

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

.content-section table tr:hover {
    background-color: #e9ecef !important;
}

/* Cards */
.info-card {
    background: #fff !important;
    border-radius: 10px !important;
    padding: 2rem !important;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08) !important;
    margin-bottom: 1.5rem !important;
    border-left: 4px solid var(--primary-color) !important;
}

.info-card h3 {
    margin-top: 0 !important;
}

/* Conversion Buttons */
.btn-conversion {
    background-color: var(--primary-color) !important;
    color: var(--text-light) !important;
    padding: 1rem 2rem !important;
    font-size: 1.1rem !important;
    font-weight: 600 !important;
    border: none !important;
    border-radius: 5px !important;
    white-space: nowrap !important;
    display: inline-block !important;
    text-decoration: none !important;
    transition: background-color 0.3s ease !important;
}

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

/* Icons */
.bi {
    color: var(--accent-color) !important;
    font-size: 1.2rem !important;
    vertical-align: middle !important;
}

.icon-primary {
    color: var(--primary-color) !important;
}

/* Footer */
.footer {
    background-color: var(--accent-color) !important;
    color: var(--text-light) !important;
    padding: 3rem 0 1.5rem !important;
}

.footer h5 {
    color: var(--primary-color) !important;
    font-weight: 600 !important;
    margin-bottom: 1.5rem !important;
    font-size: 1.2rem !important;
}

.footer p {
    color: var(--text-light) !important;
    opacity: 0.9 !important;
    font-size: 1rem !important;
}

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

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

.footer li {
    margin-bottom: 0.7rem !important;
    list-style: none !important;
}

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

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

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1) !important;
    margin-top: 2rem !important;
    padding-top: 1.5rem !important;
    text-align: center !important;
}

.footer-bottom p {
    margin: 0 !important;
    font-size: 0.95rem !important;
    color: var(--text-light) !important;
    opacity: 0.8 !important;
}

/* Animations */
@keyframes floatSquare {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
        opacity: 0.3;
    }
    50% {
        transform: translateY(-20px) rotate(45deg);
        opacity: 0.6;
    }
}

@keyframes floatRound {
    0%, 100% {
        transform: scale(1) translateY(0);
        opacity: 0.2;
    }
    50% {
        transform: scale(1.1) translateY(-15px);
        opacity: 0.4;
    }
}

@keyframes wave {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(100%);
    }
}

.animated-bg {
    position: absolute !important;
    width: 100% !important;
    height: 100% !important;
    overflow: hidden !important;
    z-index: 0 !important;
    pointer-events: none !important;
}

.animated-bg .square {
    position: absolute !important;
    width: 40px !important;
    height: 40px !important;
    background-color: var(--primary-color) !important;
    animation: floatSquare 6s ease-in-out infinite !important;
}

.animated-bg .circle {
    position: absolute !important;
    width: 50px !important;
    height: 50px !important;
    border-radius: 50% !important;
    background-color: var(--primary-color) !important;
    animation: floatRound 5s ease-in-out infinite !important;
}

.animated-bg .wave-line {
    position: absolute !important;
    width: 200% !important;
    height: 2px !important;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent) !important;
    animation: wave 8s linear infinite !important;
}

/* Responsive */
@media (max-width: 992px) {
    .hero-section h1 {
        font-size: 2.2rem !important;
    }

    .content-section h2 {
        font-size: 1.7rem !important;
    }
}

@media (max-width: 768px) {
    body {
        font-size: 16px !important;
    }

    .hero-section {
        min-height: 400px !important;
        padding: 80px 15px !important;
    }

    .hero-section h1 {
        font-size: 1.8rem !important;
    }

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

    .content-section {
        padding: 2.5rem 0 !important;
    }

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

    .content-section h3 {
        font-size: 1.2rem !important;
    }

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

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

    .footer .row > div {
        margin-bottom: 2rem !important;
    }
}

@media (max-width: 576px) {
    .hero-section h1 {
        font-size: 1.5rem !important;
    }

    .btn-hero,
    .btn-conversion {
        padding: 0.8rem 1.5rem !important;
        font-size: 1rem !important;
    }

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

    .navbar-brand img {
        height: 35px !important;
    }
}