/* =========================
   CSS Reset & Variables
   ========================= */
:root {
    --primary-color: #000000;
    --secondary-color: #f5f5f5;
    --accent-color: #0077ff;
    --warning-bg: #fff3cd;
    --warning-text: #664d03;
    --text-color: #222;
    --border-radius: 10px;
    --max-width: 1100px;
    --transition: 0.2s ease-in-out;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
        Roboto, Arial, sans-serif;
    color: var(--text-color);
    background: #ffffff;
    line-height: 1.6;
}

/* =========================
   Header
   ========================= */
.site-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--primary-color);
    color: #ffffff;
}

.logo {
    border-radius: 8px;
}

.tagline {
    font-size: 0.9rem;
    opacity: 0.85;
}

/* =========================
   Navigation
   ========================= */
.main-nav {
    background: var(--secondary-color);
    border-bottom: 1px solid #ddd;
}

.main-nav ul {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    padding: 0.75rem;
    margin: 0;
    list-style: none;
}

.main-nav a,
.print-btn {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 600;
}

.main-nav a:hover,
.main-nav a:focus,
.print-btn:hover,
.print-btn:focus {
    color: var(--accent-color);
}

/* =========================
   Layout
   ========================= */
main {
    max-width: var(--max-width);
    margin: auto;
    padding: 2rem 1rem;
}

section {
    margin-bottom: 3rem;
}

/* =========================
   Hero Section
   ========================= */
.hero {
    text-align: center;
    padding: 2.5rem 1rem;
    background: var(--secondary-color);
    border-radius: var(--border-radius);
}

.hero h2 {
    margin-bottom: 0.5rem;
}

/* =========================
   Services Grid
   ========================= */
.services h2 {
    text-align: center;
    margin-bottom: 2rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
}

.service-card {
    text-align: center;
    border: 1px solid #e0e0e0;
    border-radius: var(--border-radius);
    padding: 1.25rem;
    background: #ffffff;
    transition: transform var(--transition), box-shadow var(--transition);
}

.service-card img {
    max-width: 100%;
    height: auto;
    border-radius: 6px;
    margin-bottom: 1rem;
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
}

/* =========================
   About & Contact
   ========================= */
.about,
.contact {
    max-width: 800px;
    margin: auto;
    text-align: center;
}

/* Contact Icons */
.contact-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin: 0.5rem 0;
    font-size: 1rem;
}

.contact-icon {
    font-size: 1.25rem;
    line-height: 1;
}

.contact-link {
    color: var(--accent-color);
    font-weight: 600;
    text-decoration: none;
}

.contact-link:hover,
.contact-link:focus {
    text-decoration: underline;
}

/* =========================
   LinkedIn Button
   ========================= */
.linkedin-btn {
    display: inline-block;
    background-color: #818080;
    color: #000000;
    padding: 10px 16px;
    border-radius: 4px;
    text-decoration: none;
    font-weight: bold;
    transition: background var(--transition), color var(--transition);
}

.linkedin-btn:hover {
    background-color: #47b6f1;
    color: #ffffff;
}

/* =========================
   Footer
   ========================= */
.site-footer {
    border-top: 1px solid #ddd;
    background: #fafafa;
}

.footer-warning {
    background: var(--warning-bg);
    color: var(--warning-text);
    padding: 0.75rem 1rem;
    text-align: center;
    font-size: 0.9rem;
}

.footer-bottom {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem;
    font-size: 0.85rem;
}

.footer-bottom a {
    color: var(--accent-color);
    text-decoration: none;
}

.divider {
    opacity: 0.5;
}

/* =========================
   Legal Page – TOC
   ========================= */
.toc-container {
    margin-bottom: 2rem;
}

.toc-toggle {
    display: none;
    background: var(--primary-color);
    color: #ffffff;
    border: none;
    padding: 0.75rem 1rem;
    border-radius: var(--border-radius);
    cursor: pointer;
}

.toc {
    list-style: none;
    padding-left: 0;
    margin: 0;
}

.toc li {
    margin-bottom: 0.5rem;
}

.toc a {
    text-decoration: none;
    color: var(--text-color);
}

.toc a.active {
    color: var(--accent-color);
    font-weight: bold;
}

/* Sticky TOC */
.sticky-toc {
    position: sticky;
    top: 1rem;
    background: #ffffff;
    padding: 1rem;
    border: 1px solid #eee;
    border-radius: var(--border-radius);
}

/* =========================
   Sticky Legal Footer
   ========================= */
.sticky-legal {
    position: sticky;
    bottom: 0;
    background: #ffffff;
    border-top: 1px solid #ddd;
}

.warning-area {
    background: var(--warning-bg);
    color: var(--warning-text);
    padding: 0.75rem;
    font-size: 0.85rem;
    text-align: center;
}

.copyright-area {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem;
    font-size: 0.8rem;
}

/* =========================
   Print / PDF Styles
   ========================= */
@media print {
    nav,
    .toc-container,
    .footer-warning,
    .print-btn {
        display: none !important;
    }

    body {
        background: #ffffff;
        color: #000000;
    }

    main {
        max-width: 100%;
        padding: 0;
    }

    a::after {
        content: " (" attr(href) ")";
        font-size: 0.75em;
        color: #555;
    }
}

/* =========================
   Responsive
   ========================= */
@media (max-width: 768px) {
    .site-header {
        flex-direction: column;
        text-align: center;
    }

    .main-nav ul {
        flex-direction: column;
    }

    .toc-toggle {
        display: block;
        margin-bottom: 1rem;
    }

    .toc {
        display: none;
    }
}

/* =========================
   Accessibility & Motion
   ========================= */
:focus-visible {
    outline: 3px solid var(--accent-color);
    outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
    * {
        transition: none !important;
    }
}

/* =========================
   Toast Notifications (PWA Update / Alerts)
   ========================= */
.toast {
    position: fixed;
    bottom: 1rem;
    left: 50%;
    transform: translateX(-50%);
    background: #0077ff;
    color: #ffffff;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    z-index: 9999;
    display: flex;
    align-items: center;
    gap: 1rem;
    font-family: system-ui, sans-serif;
    animation: slide-in 0.5s ease forwards;
}

.toast button {
    background: #ffffff;
    color: #0077ff;
    border: none;
    padding: 0.3rem 0.7rem;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
}

@keyframes slide-in {
    from { transform: translate(-50%, 100%); opacity: 0; }
    to { transform: translate(-50%, 0); opacity: 1; }
}

@keyframes slide-out {
    from { transform: translate(-50%, 0); opacity: 1; }
    to { transform: translate(-50%, 100%); opacity: 0; }
}

/* Print button Legal page*/
.print-btn {
  background: transparent;
  border: none;
  font-weight: 600;
  cursor: pointer;
  color: var(--accent-color);
}

.copy-btn {
    background: transparent;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    margin-left: 0.5rem;
    color: var(--accent-color);
    transition: color 0.2s ease-in-out;
}

.copy-btn:hover,
.copy-btn:focus {
    color: #005bb5;
    outline: none;
}