:root {
    --color-primary: #78674b;
    --color-primary-dark: #5a4d38;
    --color-text: #222;
    --color-muted: #666;
    --color-border: #e6e2df;
    --color-bg: #fffdfb;
    --color-section-bg: #f7f4f1;
    --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --font-heading: 'Yanone Kaffeesatz', var(--font-body);
}

* { box-sizing: border-box; }
body { margin: 0; overflow-x: hidden; font-family: var(--font-body); color: var(--color-text); background: var(--color-bg); line-height: 1.6; }
h1, h2, h3, h4, .site-brand, .site-nav a, .site-nav-cta, .btn, .card h3, .hero-carousel .carousel-caption h1, .hero-carousel .carousel-caption-text, .page-banner-caption h1 { font-family: var(--font-heading); letter-spacing: 0.02em; }
h1, h2, h3, h4 { font-weight: 600; }
a { color: var(--color-primary); }
img { max-width: 100%; }

.utility-bar { background: var(--color-primary); color: #fff; font-size: 0.85rem; }
.utility-bar-inner { max-width: 1100px; margin: 0 auto; padding: 8px 20px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px; }
.utility-contact a { color: #fff; text-decoration: none; margin-right: 16px; opacity: 0.9; }
.utility-contact a i { vertical-align: middle; margin-right: 4px; }
.utility-contact a:hover { opacity: 1; text-decoration: underline; }
.utility-actions { display: flex; gap: 10px; }
.btn-outline-sm, .btn-sm { font-size: 0.8rem; padding: 6px 14px; border-radius: 5px; text-decoration: none; font-weight: 600; }
.btn-outline-sm { border: 1px solid #fff; color: #fff; }
.btn-sm { background: #fff; color: var(--color-primary); }

.site-header { background: #fff; border-bottom: 1px solid var(--color-border); position: sticky; top: 0; z-index: 10; }
.site-header-inner { max-width: 1100px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; padding: 12px 20px; flex-wrap: wrap; gap: 10px; }
.site-brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.2rem; color: var(--color-primary); text-decoration: none; }
.site-brand-logo { height: 40px; width: auto; }
.site-nav { display: flex; gap: 18px; flex-wrap: wrap; align-items: center; }
.site-nav a { display: inline-block; text-decoration: none; color: var(--color-text); font-size: 1.02rem; font-weight: 600; line-height: 1; }
.site-nav a:hover { color: var(--color-primary); }
.site-nav-cta { background: var(--color-primary); color: #fff !important; padding: 8px 16px; border-radius: 6px; }
.site-nav-cta:hover { background: var(--color-primary-dark); }

.site-nav-toggle {
    display: none; flex-direction: column; justify-content: center; gap: 5px; width: 38px; height: 34px;
    background: none; border: 1px solid var(--color-border); border-radius: 6px; cursor: pointer; padding: 0;
}
.site-nav-toggle span { display: block; width: 18px; height: 2px; background: var(--color-text); margin: 0 auto; transition: transform 0.2s ease, opacity 0.2s ease; }
.site-nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.site-nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.site-nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.site-nav-dropdown { display: inline-flex; align-items: center; position: relative; }
.site-nav-dropdown > a .bi-chevron-down { font-size: 0.7rem; vertical-align: middle; margin-left: 3px; transition: transform 0.2s ease; }
.site-nav-dropdown:hover > a .bi-chevron-down, .site-nav-dropdown.is-open > a .bi-chevron-down { transform: rotate(180deg); }
.site-nav-dropdown-menu {
    display: none; position: absolute; top: 100%; left: 0; background: #fff; border: 1px solid var(--color-border);
    border-radius: 8px; box-shadow: 0 4px 12px rgba(0,0,0,0.08); padding: 8px 0; min-width: 190px; z-index: 20;
}
.site-nav-dropdown:hover .site-nav-dropdown-menu, .site-nav-dropdown:focus-within .site-nav-dropdown-menu { display: block; }
.site-nav-dropdown-menu a { display: block; padding: 8px 16px; white-space: nowrap; }
.site-nav-dropdown-menu a:hover { background: var(--color-section-bg); }

.site-main { max-width: 1100px; margin: 0 auto; padding: 32px 20px 60px; min-height: 60vh; }

.hero { background: var(--color-section-bg); padding: 60px 20px; text-align: center; border-radius: 12px; margin-bottom: 32px; }
.hero h1 { font-size: 2rem; margin-bottom: 12px; color: var(--color-primary); }
.hero p { font-size: 1.1rem; color: var(--color-muted); max-width: 640px; margin: 0 auto 20px; }

.content-section { margin-bottom: 32px; }
.content-section h1 { font-size: 2.1rem; color: var(--color-primary); }
.content-section h2 { font-size: 1.4rem; margin-top: 32px; padding-bottom: 8px; border-bottom: 2px solid var(--color-section-bg); color: var(--color-text); }
.content-section ul { list-style: none; margin: 14px 0; padding: 0; }
.content-section ul li { position: relative; padding-left: 28px; margin-bottom: 10px; }
.content-section ul li::before {
    content: "\f26a"; font-family: "bootstrap-icons"; position: absolute; left: 0; top: 0;
    color: var(--color-primary);
}
.content-section i.bi { color: var(--color-primary); margin-right: 4px; }

.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; margin: 24px 0; }
.card { background: #fff; border: 1px solid var(--color-border); border-radius: 10px; padding: 20px; transition: box-shadow 0.2s ease, transform 0.2s ease; }
.card:hover { box-shadow: 0 10px 24px rgba(0,0,0,0.08); transform: translateY(-2px); }
.card h3 { margin-top: 0; color: var(--color-primary); }

.btn { display: inline-block; background: var(--color-primary); color: #fff; text-decoration: none; padding: 12px 22px; border-radius: 6px; font-weight: 600; border: none; cursor: pointer; font-size: 1rem; transition: background 0.15s ease, transform 0.15s ease; }
.btn:hover { background: var(--color-primary-dark); transform: translateY(-1px); }

.hero-carousel {
    width: 100vw; position: relative; left: 50%; right: 50%; margin-left: -50vw; margin-right: -50vw;
    margin-top: -32px; margin-bottom: 32px; overflow: hidden;
}
.hero-carousel .carousel-item img { height: 420px; object-fit: cover; }
.hero-carousel .carousel-caption { background: rgba(0,0,0,0.35); border-radius: 8px; padding: 12px 24px; bottom: 40px; }
.hero-carousel .carousel-caption h1, .hero-carousel .carousel-caption-text { margin: 0; font-size: 2rem; color: #fff; }
@media (max-width: 700px) {
    .hero-carousel .carousel-item img { height: 220px; }
}

.page-banner {
    position: relative; width: 100vw; left: 50%; right: 50%; margin-left: -50vw; margin-right: -50vw;
    margin-top: -32px; margin-bottom: 32px; height: 220px; overflow: hidden;
}
.page-banner img { width: 100%; height: 100%; object-fit: cover; }
.page-banner-caption {
    position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; text-align: center;
    background: rgba(0,0,0,0.4);
}
.page-banner-caption h1 { margin: 0; color: #fff; font-size: 2.2rem; }
@media (max-width: 700px) {
    .page-banner { height: 140px; }
    .page-banner-caption h1 { font-size: 1.5rem; }
}

.field { display: block; font-size: 0.85rem; font-weight: 600; color: var(--color-muted); margin-bottom: 14px; }
.field input, .field select, .field textarea {
    display: block; width: 100%; margin-top: 6px; padding: 10px 12px; font-size: 0.95rem; font-weight: 400;
    border: 1px solid var(--color-border); border-radius: 6px;
}
.field-row { display: flex; gap: 16px; flex-wrap: wrap; }
.field-row .field { flex: 1; min-width: 220px; }

.alert { padding: 12px 16px; border-radius: 6px; margin-bottom: 16px; font-size: 0.9rem; }
.alert-error { background: #fdecea; color: #7a1f1f; border: 1px solid #f3c1bd; }
.alert-success { background: #e9f7ec; color: #1e6b34; border: 1px solid #b9e2c2; }

.tutor-card img { border-radius: 8px; margin-bottom: 10px; width: 100%; height: 160px; object-fit: cover; background: var(--color-section-bg); }

.contact-map { margin-top: 16px; border-radius: 10px; overflow: hidden; border: 1px solid var(--color-border); }
.contact-map iframe { display: block; }

.site-footer { background: var(--color-section-bg); border-top: 1px solid var(--color-border); margin-top: 40px; }
.site-footer-inner { max-width: 1100px; margin: 0 auto; padding: 40px 20px 20px; display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 28px; color: var(--color-muted); font-size: 0.88rem; }
.site-footer-col strong { display: flex; align-items: center; gap: 8px; color: var(--color-primary); font-size: 1rem; margin-bottom: 14px; }
.site-footer-col p { line-height: 1.9; }
.site-footer-col p i { color: var(--color-primary); width: 16px; text-align: center; }
.site-footer-nav { display: flex; flex-direction: column; gap: 9px; }
.site-footer-nav a { display: flex; align-items: center; gap: 8px; color: var(--color-muted); text-decoration: none; transition: color 0.15s ease, transform 0.15s ease; }
.site-footer-nav a i { font-size: 0.7rem; color: var(--color-primary); }
.site-footer-nav a:hover { color: var(--color-primary); transform: translateX(3px); }
.site-footer-social { display: flex; gap: 10px; margin-top: 16px; }
.site-footer-social a {
    display: flex; align-items: center; justify-content: center; width: 36px; height: 36px; border-radius: 50%;
    background: var(--color-primary); color: #fff; text-decoration: none; transition: background 0.15s ease, transform 0.15s ease;
}
.site-footer-social a:hover { background: var(--color-primary-dark); transform: translateY(-2px); }
.site-footer-bottom { max-width: 1100px; margin: 0 auto; padding: 16px 20px 24px; border-top: 1px solid var(--color-border); color: var(--color-muted); font-size: 0.82rem; }

table.price-table { width: 100%; border-collapse: collapse; margin: 16px 0; }
table.price-table th, table.price-table td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--color-border); font-size: 0.92rem; }
table.price-table th { background: var(--color-section-bg); }

details.grade-panel { border: 1px solid var(--color-border); border-radius: 8px; margin-bottom: 10px; padding: 10px 16px; }
details.grade-panel summary { font-weight: 700; cursor: pointer; color: var(--color-primary); padding: 6px 0; }

@media (max-width: 700px) {
    .site-nav-toggle { display: flex; }
    .site-header-inner { position: relative; }
    .site-nav {
        display: none; position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; align-items: stretch;
        gap: 0; background: #fff; border-top: 1px solid var(--color-border); box-shadow: 0 8px 16px rgba(0,0,0,0.08);
    }
    .site-nav.is-open { display: flex; }
    .site-nav > a, .site-nav-dropdown > a { padding: 12px 20px; border-bottom: 1px solid var(--color-border); }
    .site-nav-dropdown-menu { display: none; position: static; box-shadow: none; border: none; }
    .site-nav-dropdown.is-open .site-nav-dropdown-menu { display: block; }
    .site-nav-dropdown-menu a { padding-left: 32px; border-bottom: 1px solid var(--color-border); }

    .hero-carousel .carousel-caption h1, .hero-carousel .carousel-caption-text { font-size: 1.3rem; }
    table.price-table { display: block; overflow-x: auto; white-space: nowrap; }
}