:root {
    --bg: #f3f6fa;
    --text: #1d2733;
    --header-a: #17304a;
    --header-b: #234c74;
    --card: #ffffff;
    --accent: #1f5f99;
    --accent-soft: #e8f1fb;
}

/* Reset some default styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Libre Baskerville', serif;
    background: linear-gradient(180deg, var(--bg) 0%, #edf2f7 100%);
    color: var(--text);
    line-height: 1.7;
    min-height: 100vh;
}

a {
    text-decoration: none;
    color: inherit;
}

header {
    background: linear-gradient(90deg, var(--header-a) 0%, var(--header-b) 100%);
    color: #fff;
    padding: 32px 0 20px 0;
    box-shadow: 0 4px 16px rgba(18, 32, 48, 0.2);
}

header h1 {
    text-align: center;
    font-size: 2.5rem;
    letter-spacing: 1px;
    font-weight: 700;
    margin-bottom: 6px;
}

nav ul {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 32px;
    list-style: none;
    margin-top: 10px;
    padding: 0 16px;
}

nav a {
    color: #fff;
    font-size: 1rem;
    padding: 8px 14px;
    border-radius: 6px;
    transition: background 0.2s, color 0.2s;
}

nav a:hover, nav a:focus {
    background: #fff;
    color: var(--accent);
}

.nav-about-link {
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.4);
    font-weight: 600;
}

.nav-about-link:hover,
.nav-about-link:focus {
    background: #fff;
    color: var(--header-a);
}

section {
    max-width: 880px;
    margin: 40px auto;
    background: linear-gradient(180deg, var(--card) 0%, var(--accent-soft) 100%);
    border-radius: 16px;
    box-shadow: 0 6px 20px rgba(17, 31, 45, 0.08);
    padding: 32px 36px;
    border-top: 4px solid var(--accent);
}

section h2 {
    font-size: 2rem;
    color: var(--header-a);
    margin-bottom: 12px;
    font-weight: 600;
}

section h3, section h4 {
    color: #3a3d5c;
    margin-bottom: 8px;
}

section p, section ul {
    font-size: 1.1rem;
    margin-bottom: 16px;
}

.section-link {
    display: inline-block;
    background: var(--header-a);
    color: #fff;
    padding: 10px 18px;
    border-radius: 8px;
    font-size: 0.98rem;
    transition: background 0.2s ease;
}

.section-link:hover,
.section-link:focus {
    background: var(--accent);
}

.content-link {
    color: var(--accent);
    text-decoration: underline;
    text-decoration-thickness: 2px;
    text-underline-offset: 3px;
    font-weight: 600;
}

.content-link:hover,
.content-link:focus {
    color: var(--header-a);
}

ul {
    padding-left: 0;
}

ul li {
    margin-bottom: 8px;
}

.center {
    text-align: center;
}

footer {
    text-align: center;
    padding: 24px 0;
    background: var(--header-a);
    color: #fff;
    font-size: 1rem;
    margin-top: 48px;
    border-radius: 0 0 16px 16px;
}

iframe {
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(60, 60, 100, 0.10);
    margin: 24px 0;
}

.about-page main {
    max-width: 980px;
    margin: 48px auto;
    padding: 0 28px;
}

.about-page-body {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 40px;
    align-items: start;
}

.about-page-text {
    font-size: 1.12rem;
}

.about-contact-grid {
    margin-top: 24px;
    display: grid;
    grid-template-columns: repeat(2, minmax(220px, 1fr));
    gap: 12px;
}

.about-contact-item {
    border: 1px solid #c8d9ea;
    border-radius: 10px;
    background: #f8fbff;
    padding: 10px 12px;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 8px;
    min-height: 52px;
}

.about-contact-item:hover,
.about-contact-item:focus {
    border-color: #9ab9d8;
    background: #f1f7ff;
}

.about-contact-label {
    font-weight: 600;
    color: var(--header-a);
    flex: 0 0 auto;
}

.about-contact-value {
    font-size: 0.98rem;
    flex: 1 1 auto;
}

.about-contact-icon {
    color: var(--accent);
    width: 18px;
    text-align: center;
    flex: 0 0 18px;
}

.about-contact-link .about-contact-value {
    text-decoration: underline;
    text-underline-offset: 3px;
}

.about-photo-slot {
    min-height: 360px;
    border: none;
    border-radius: 10px;
    background: transparent;
    color: inherit;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 16px;
    font-size: 0.98rem;
}

.about-photo {
    width: 100%;
    height: 100%;
    min-height: 360px;
    object-fit: cover;
    border-radius: 10px;
}

/* Responsive design */
@media (max-width: 900px) {
    section {
        max-width: 98vw;
        padding: 18px 8vw;
    }
    header h1 {
        font-size: 2rem;
    }
    nav ul {
        gap: 16px;
    }
    .about-page-body {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    .about-contact-grid {
        grid-template-columns: 1fr;
    }
}