:root {
    --bg-main: #f8fafc;
    --bg-card: #ffffff;
    --text-main: #0f172a;
    --text-muted: #475569;
    --accent-color: #2563eb;
    --accent-hover: #1d4ed8;
    --border-color: #e2e8f0;
    --max-content-width: 750px;
    --radius: 12px;
}

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-main);
    color: var(--text-main);
    line-height: 1.6;
}

body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
}

br {
    display: none;
}

header {
    width: 100%;
    background-color: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    padding: 1.25rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.app-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

.logo {
    flex-shrink: 0;
}

.logo a {
    font-size: 1.4rem;
    font-weight: 800;
    text-decoration: none;
    color: var(--text-main);
    letter-spacing: -0.5px;
}

.logo span {
    color: var(--accent-color);
}

#nav-menu {
    display: block;
}

#nav-menu ul {
    display: flex;
    gap: 0.5rem;
    list-style: none;
    flex-wrap: wrap;
    justify-content: flex-end;
}

#nav-menu a {
    text-decoration: none;
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.2s ease;
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    white-space: nowrap;
}

#nav-menu a:hover, #nav-menu a.active {
    color: var(--accent-color);
    background-color: rgba(37, 99, 235, 0.08);
}

body > h1 {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 800;
    text-align: center;
    margin-top: 3rem;
    margin-bottom: 0.5rem;
    padding: 0 1rem;
    letter-spacing: -0.5px;
}

body > h2 {
    font-size: clamp(1.1rem, 2.5vw, 1.35rem);
    font-weight: 500;
    text-align: center;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    padding: 0 1rem;
}

body > p {
    text-align: center;
    max-width: var(--max-content-width);
    color: var(--text-muted);
    margin-bottom: 0.75rem;
    padding: 0 1.5rem;
    font-size: 0.95rem;
}

body > p em {
    font-style: normal;
    font-weight: 600;
    color: var(--accent-color);
}

main {
    width: 100%;
    max-width: var(--max-content-width);
    margin: 2.5rem auto;
    padding: 0 1.5rem;
    display: flex;
    flex-direction: column;
}

main h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-top: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-main);
    border-left: 4px solid var(--accent-color);
    padding-left: 0.75rem;
}

main p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 0.25rem;
}

p1 {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

p1 em {
    font-style: normal;
}

.active-link {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.2s ease;
    word-break: break-all;
}

.active-link:hover {
    text-decoration: underline;
}

main ol {
    list-style-position: inside;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 1rem 1.25rem;
    border-radius: var(--radius);
    margin-bottom: 1.5rem;
}

main ol li {
    margin-bottom: 0.5rem;
    color: var(--text-main);
    font-weight: 500;
    font-size: 0.95rem;
}

#registerForm {
    width: 100%;
    max-width: var(--max-content-width);
    padding: 0 1.5rem;
    margin-bottom: 5rem;
}

#registerForm fieldset {
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    padding: 2rem 1.5rem;
    border-radius: var(--radius);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.03);
}

#registerForm legend {
    font-weight: 700;
    font-size: 1.15rem;
    padding: 0 0.5rem;
    color: var(--text-main);
}

.contact-info-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.contact-info-list li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.1rem;
}

.contact-label {
    font-weight: 700;
    color: var(--text-main);
    min-width: 70px;
}

.contact-link {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
}

.contact-link:hover {
    color: var(--accent-hover);
    text-decoration: underline;
}

footer {
    width: 100%;
    margin-top: auto;
    background-color: var(--bg-card);
    border-top: 1px solid var(--border-color);
    padding: 1.5rem 0;
    text-align: center;
}

footer p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

@media (max-width: 992px) {
    .app-container {
        flex-direction: column;
        gap: 1rem;
        padding: 0 1rem;
    }

    .logo {
        text-align: center;
    }

    #nav-menu {
        width: 100%;
    }

    #nav-menu ul {
        justify-content: center;
    }
}

@media (max-width: 576px) {
    #nav-menu ul {
        gap: 0.25rem;
    }

    #nav-menu a {
        font-size: 0.85rem;
        padding: 0.4rem 0.5rem;
    }

    main, #registerForm {
        padding: 0 1rem;
    }
}