:root {
    --brand: #07617e;
    --brand-dark: #054d63;
    --brand-light: #058aab;
    --text: #333;
    --muted: #666;
    --line: #e8e8e8;
    --bg: #f5f7fa;
    --card: #ffffff;
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
    --radius: 14px;
    --max: 1180px;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: 'Roboto', Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.65;
}

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

a { color: var(--brand); text-decoration: none; }
a:hover { color: var(--brand-light); }

.container {
    width: min(100% - 32px, var(--max));
    margin: 0 auto;
}

/* Header */
.site-header {
    background: var(--brand);
    color: #fff;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.12);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    min-height: 68px;
}

.logo img { height: 46px; width: auto; }

.site-nav ul {
    display: flex;
    flex-wrap: wrap;
    gap: 6px 22px;
    list-style: none;
}

.site-nav a {
    color: #fff;
    font-weight: 500;
    font-size: 15px;
    padding: 6px 0;
}

.site-nav a:hover { opacity: 0.85; color: #fff; }

.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: #fff;
    margin: 5px 0;
    border-radius: 2px;
}

/* Hero / embeds */
.hero-section {
    padding: 28px 0 10px;
}

.embed-card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    margin-bottom: 20px;
}

.embed-card-head {
    background: linear-gradient(90deg, var(--brand), var(--brand-light));
    color: #fff;
    padding: 12px 18px;
    font-size: 15px;
    font-weight: 600;
}

.embed-card iframe {
    display: block;
    width: 100%;
    border: 0;
    background: #fff;
}

.radio-frame { height: 220px; }
.chat-frame { height: 650px; min-height: 420px; }

/* Intro block */
.intro-section {
    padding: 10px 0 28px;
}

.intro-card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 28px 24px;
    text-align: center;
}

.section-kicker {
    display: inline-block;
    background: rgba(7, 97, 126, 0.1);
    color: var(--brand);
    font-weight: 700;
    font-size: 13px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    padding: 6px 14px;
    border-radius: 999px;
    margin-bottom: 12px;
}

.intro-card h1 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    color: var(--brand);
    margin-bottom: 6px;
}

.intro-card h2 {
    font-size: clamp(1.25rem, 2.5vw, 1.75rem);
    color: #222;
    margin-bottom: 14px;
}

.intro-card p {
    max-width: 820px;
    margin: 0 auto;
    color: var(--muted);
    font-size: 16px;
}

/* Content grid */
.content-section {
    padding: 0 0 40px;
}

.content-grid {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 24px;
    align-items: start;
}

.content-main { display: grid; gap: 18px; }

.text-card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 22px 22px 20px;
}

.text-card-head {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.text-card-head svg { flex-shrink: 0; }

.text-card h3,
.text-card h4 {
    color: var(--brand);
    font-size: 1.15rem;
}

.text-card p,
.text-card li {
    color: var(--muted);
    font-size: 15px;
}

.text-card ul {
    padding-left: 20px;
}

.text-card li + li { margin-top: 8px; }

/* Sidebar */
.sidebar { display: grid; gap: 18px; position: sticky; top: 88px; }

.side-box {
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 1px solid var(--line);
}

.side-box-head {
    padding: 14px 18px;
    font-size: 1.05rem;
    font-weight: 700;
    color: #fff;
}

.side-box.dark .side-box-head { background: var(--brand); }
.side-box.pink .side-box-head { background: #058aab; }

.side-box-body {
    background: var(--card);
    padding: 8px 0;
}

.side-box-body ul { list-style: none; }

.side-box-body li {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    padding: 12px 16px;
    border-bottom: 1px solid var(--line);
    font-size: 14px;
    color: var(--muted);
}

.side-box-body li:last-child { border-bottom: 0; }

.side-box-body .item-icon { flex-shrink: 0; margin-top: 2px; }

.side-box-body a { color: var(--brand); font-weight: 600; }

/* Social band */
.social-band {
    position: relative;
    background: var(--brand);
    color: #fff;
    overflow: hidden;
}

.social-band img.bg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.15;
}

.social-inner {
    position: relative;
    padding: 34px 0;
}

.social-inner ul {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 14px 28px;
    list-style: none;
}

.social-inner a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #fff;
    font-weight: 500;
}

.social-inner a:hover { opacity: 0.85; color: #fff; }

/* Footer */
.site-footer {
    background: #1a1a1a;
    color: #ccc;
    padding: 32px 0 24px;
}

.footer-menu,
.copyright-menu {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px 20px;
    list-style: none;
    margin-bottom: 18px;
}

.footer-menu a,
.copyright-menu a { color: #ddd; font-size: 14px; }
.footer-menu a:hover,
.copyright-menu a:hover { color: #fff; }

.footer-logo {
    text-align: center;
    margin: 18px 0;
}

.footer-logo img {
    height: 44px;
    margin: 0 auto 8px;
}

.copyright {
    font-size: 13px;
    color: #999;
}

/* Mobile */
@media (max-width: 960px) {
    .content-grid { grid-template-columns: 1fr; }
    .sidebar { position: static; }
}

@media (max-width: 768px) {
    .menu-toggle { display: block; }

    .site-nav {
        display: none;
        position: absolute;
        top: 68px;
        left: 0;
        right: 0;
        background: var(--brand-dark);
        padding: 12px 16px 16px;
    }

    .site-nav.open { display: block; }

    .site-nav ul {
        flex-direction: column;
        gap: 4px;
    }

    .site-nav a {
        display: block;
        padding: 10px 8px;
        border-bottom: 1px solid rgba(255,255,255,0.1);
    }

    .chat-frame { height: 520px; }
    .intro-card { padding: 22px 16px; }
}