/* ========== Global Styles & CSS Variables ========== */
:root {
    /* Brand Color Palette */
    --primary-color: #1D2A3B;
    /* Deep Navy/Midnight Blue */
    --accent-color: #00BFA5;
    /* Vibrant Teal/Aqua */
    --secondary-color: #FF6B35;
    /* Sunset Orange */
    --neutral-bg: #F5F5F7;
    /* Soft Gray */
    --neutral-text: #333333;
    /* Charcoal Gray */
    --white: #FFFFFF;
    --light-gray: #EEEEEE;
    --medium-gray: #CCCCCC;
    --dark-gray: #666666;
    --divider-color: #E0E0E0;
    --highlight-bg: rgba(0, 191, 165, 0.05);

    /* Typography */
    --primary-font: 'Poppins', 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;

    /* Spacing Variables */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-xxl: 3rem;

    /* Border Radius */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 12px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Box Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.15);
}

/* Dark Mode Variables */
.dark-mode {
    --primary-color: #121c28;
    /* Darker Navy */
    --neutral-bg: #1E1E24;
    /* Dark Background */
    --neutral-text: #F5F5F7;
    /* Light Text */
    --white: #262730;
    /* Dark Card Background */
    --light-gray: #333333;
    --medium-gray: #444444;
    --dark-gray: #AAAAAA;
    --divider-color: #333333;
    --highlight-bg: rgba(0, 191, 165, 0.1);
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.4);
}

/* ========== Reset & Base Styles ========== */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--primary-font);
    background-color: var(--neutral-bg);
    color: var(--neutral-text);
    line-height: 1.6;
    font-weight: 400;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

a {
    color: var(--accent-color);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--secondary-color);
}

ul,
ol {
    list-style-position: outside;
    margin-left: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

ul li,
ol li {
    margin-bottom: var(--spacing-sm);
}

img {
    max-width: 100%;
    height: auto;
}

button {
    cursor: pointer;
    font-family: var(--primary-font);
    border: none;
    background: none;
    transition: all var(--transition-fast);
}

hr {
    border: 0;
    height: 1px;
    background-color: var(--divider-color);
    margin: var(--spacing-lg) 0;
}

/* ========== Typography ========== */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: var(--spacing-md);
    color: var(--primary-color);
}

h1 {
    font-size: 2rem;
    margin-bottom: var(--spacing-lg);
}

h2 {
    font-size: 1.5rem;
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-xs);
    border-bottom: 2px solid var(--accent-color);
    display: inline-block;
}

h3 {
    font-size: 1.2rem;
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    color: var(--primary-color);
}

h4 {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-sm);
}

p {
    margin-bottom: var(--spacing-md);
}

strong {
    font-weight: 600;
    color: var(--primary-color);
}

/* ========== Header Styles ========== */
header {
    background-color: var(--white);
    box-shadow: var(--shadow-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
    transition: background-color var(--transition-normal);
}

.logo-container img {
    height: 40px;
}

nav ul {
    display: flex;
    gap: var(--spacing-lg);
    list-style: none;
    margin: 0;
}

nav ul li a {
    color: var(--primary-color);
    font-weight: 500;
    transition: color var(--transition-fast);
}

nav ul li a:hover {
    color: var(--accent-color);
}

.cta-button {
    background-color: var(--accent-color);
    color: var(--white);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius-md);
    font-weight: 600;
    transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.cta-button:hover {
    background-color: var(--secondary-color);
    color: var(--white);
    transform: translateY(-2px);
}

/* ========== Main Content Styles ========== */
main {
    max-width: 850px;
    margin: 0 auto;
    padding: var(--spacing-lg) var(--spacing-md);
    background-color: var(--white);
    box-shadow: var(--shadow-md);
    border-radius: var(--border-radius-lg);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    transition: background-color var(--transition-normal);
}

/* Policy Header */
.policy-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-md);
}

.policy-meta {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
    font-size: 0.95rem;
    color: var(--dark-gray);
}

/* Policy Sections */
.policy-section {
    margin-bottom: var(--spacing-xl);
}

.policy-section h2 {
    color: var(--primary-color);
    border-bottom-width: 3px;
}

.subsection {
    padding-left: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    border-left: 3px solid var(--light-gray);
    transition: border-color var(--transition-normal), background-color var(--transition-normal);
}

.subsection:hover {
    border-left-color: var(--accent-color);
    background-color: var(--highlight-bg);
    border-radius: 0 var(--border-radius-md) var(--border-radius-md) 0;
}

/* Policy content specific styling */
.policy-section ul {
    margin-top: var(--spacing-sm);
}

.policy-section ul li strong {
    color: var(--accent-color);
}

.policy-note {
    background-color: var(--highlight-bg);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    border-left: 4px solid var(--accent-color);
    margin-top: var(--spacing-xl);
}

.policy-note p {
    margin-bottom: 0;
}

.policy-section:target {
    scroll-margin-top: 80px;
    animation: highlight-section 1.5s ease;
}

@keyframes highlight-section {
    0% {
        background-color: var(--highlight-bg);
    }

    100% {
        background-color: transparent;
    }
}

/* ========== Footer Styling ========== */
footer {
    background-color: var(--primary-color);
    color: var(--white);
    padding: var(--spacing-xl) var(--spacing-md);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
}

.footer-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo img {
    height: 40px;
}

.mode-toggle button {
    color: var(--white);
    font-size: 1.2rem;
    transition: color var(--transition-fast), transform var(--transition-fast);
}

.mode-toggle button:hover {
    color: var(--accent-color);
    transform: rotate(30deg);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-section h4 {
    color: var(--white);
    margin-bottom: var(--spacing-md);
    position: relative;
    padding-bottom: var(--spacing-xs);
}

.footer-section h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background-color: var(--accent-color);
}

.footer-section ul {
    list-style: none;
    margin-left: 0;
}

.footer-section ul li {
    margin-bottom: var(--spacing-sm);
}

.footer-section ul li a {
    color: var(--medium-gray);
    transition: color var(--transition-fast);
}

.footer-section ul li a:hover,
.footer-section ul li a.active {
    color: var(--accent-color);
}

.social-icons {
    display: flex;
    gap: var(--spacing-md);
}

.social-icons a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--white);
    transition: background-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

.social-icons a:hover {
    background-color: var(--accent-color);
    color: var(--white);
    transform: translateY(-3px);
}

.corporate-link {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--accent-color);
    color: var(--white);
    border-radius: var(--border-radius-md);
    font-weight: 500;
    transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.corporate-link:hover {
    background-color: var(--secondary-color);
    color: var(--white);
    transform: translateY(-2px);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
    color: var(--medium-gray);
}

/* ========== Navigation Aids ========== */
/* Back to top button - can be added with JavaScript */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 40px;
    height: 40px;
    background-color: var(--accent-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: var(--shadow-md);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-normal), transform var(--transition-normal);
    z-index: 99;
}

.back-to-top.visible {
    opacity: 1;
    pointer-events: auto;
}

.back-to-top:hover {
    transform: translateY(-5px);
    background-color: var(--secondary-color);
}

/* ========== Responsive Adaptations ========== */
@media (max-width: 992px) {
    .policy-meta {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-xs);
    }
}

@media (max-width: 768px) {
    html {
        font-size: 15px;
    }

    header {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .footer-content {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }

    .subsection {
        padding-left: var(--spacing-md);
    }
}

@media (max-width: 576px) {
    html {
        font-size: 14px;
    }

    main {
        padding: var(--spacing-md);
    }

    h1 {
        font-size: 1.75rem;
    }

    h2 {
        font-size: 1.4rem;
    }

    .policy-section {
        margin-bottom: var(--spacing-lg);
    }

    .subsection {
        padding-left: var(--spacing-sm);
    }

    .footer-top {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-section h4::after {
        left: 50%;
        transform: translateX(-50%);
    }

    .social-icons {
        justify-content: center;
    }
}

/* ========== Dark Mode Styling ========== */
.dark-mode header {
    background-color: var(--white);
}

.dark-mode main {
    background-color: var(--white);
}

.dark-mode .policy-note {
    background-color: rgba(0, 191, 165, 0.1);
}

.dark-mode .mode-toggle button i {
    content: '\f185';
    /* Font Awesome sun icon */
}

/* ========== Print Styles ========== */
@media print {
    body {
        background-color: white;
        color: black;
        font-size: 12pt;
    }

    header,
    footer,
    .mode-toggle,
    .back-to-top {
        display: none;
    }

    main {
        box-shadow: none;
        margin: 0;
        padding: 0;
        max-width: 100%;
    }

    h1,
    h2,
    h3,
    h4,
    h5,
    h6 {
        page-break-after: avoid;
        page-break-inside: avoid;
    }

    p,
    ul,
    ol {
        page-break-inside: avoid;
    }

    .subsection {
        border-left: 1pt solid #cccccc;
        padding-left: 0.5cm;
    }

    .policy-note {
        border: 1pt solid #cccccc;
        padding: 0.5cm;
    }

    img {
        max-width: 100% !important;
    }

    a {
        text-decoration: underline;
        color: black;
    }

    a[href]:after {
        content: " (" attr(href) ")";
        font-size: 90%;
    }

    @page {
        margin: 2cm;
    }
}

/* ========== Additional Utilities ========== */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}