:root {
    color-scheme: light;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
    font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans", "Liberation Sans", sans-serif;
    line-height: 1.5;
    color: #0f172a;
    background: #ffffff;
}

a { color: inherit; text-decoration: none; }
.muted { color: rgba(15, 23, 42, 0.7); }

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 16px;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 10;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid rgba(15, 23, 42, 0.08);
}
.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 16px;
}

.brand { display: inline-flex; align-items: center; gap: 10px; }
.brand-logo { width: 34px; height: 34px; object-fit: contain; }
.brand-name { font-weight: 700; letter-spacing: 0.2px; }

.nav { display: flex; align-items: center; gap: 14px; }
.nav a { padding: 8px 10px; border-radius: 10px; }
.nav a:hover { background: rgba(15, 23, 42, 0.06); }
.nav-cta {
    background: var(--primary);
    color: #fff !important;
}
.nav-cta:hover { filter: brightness(0.95); }

.site-main { padding: 32px 0; }

.alert {
    border: 1px solid rgba(34, 197, 94, 0.35);
    background: rgba(34, 197, 94, 0.08);
    padding: 12px 14px;
    border-radius: 12px;
    margin: 16px 0;
}

.hero {
    border-radius: 20px;
    padding: 42px 24px;
    border: 1px solid rgba(15, 23, 42, 0.08);
    background: radial-gradient(1200px 400px at 20% 0%, rgba(37, 99, 235, 0.18), transparent),
                radial-gradient(1200px 400px at 80% 0%, rgba(34, 197, 94, 0.14), transparent),
                #ffffff;
}
.theme-classic .hero {
    background: #ffffff;
}
.hero-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 20px;
    align-items: center;
}
.hero h1 { margin: 0 0 10px 0; font-size: 40px; line-height: 1.15; }
.hero p { margin: 0 0 16px 0; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 14px;
    border-radius: 12px;
    border: 1px solid rgba(15, 23, 42, 0.12);
    background: #fff;
    font-weight: 600;
}
.btn-primary {
    border-color: transparent;
    background: var(--primary);
    color: #fff;
}
.btn-primary:hover { filter: brightness(0.95); }
.btn:hover { transform: translateY(-1px); }

.section { margin-top: 30px; }
.section-title { font-size: 18px; font-weight: 800; margin: 0 0 12px 0; }
.grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
}
.card {
    border: 1px solid rgba(15, 23, 42, 0.08);
    border-radius: 16px;
    padding: 14px;
    background: #fff;
}
.card-title { font-weight: 800; margin: 0 0 6px 0; }
.pill {
    display: inline-flex;
    padding: 4px 10px;
    border-radius: 999px;
    border: 1px solid rgba(15, 23, 42, 0.12);
    font-size: 12px;
}
.img {
    width: 100%;
    border-radius: 14px;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    background: rgba(15, 23, 42, 0.04);
    border: 1px solid rgba(15, 23, 42, 0.08);
}
.avatar {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    object-fit: cover;
    background: rgba(15, 23, 42, 0.04);
    border: 1px solid rgba(15, 23, 42, 0.08);
}

.site-footer {
    border-top: 1px solid rgba(15, 23, 42, 0.08);
    padding: 26px 0;
    background: rgba(15, 23, 42, 0.02);
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr 1fr;
    gap: 18px;
}
.footer-title { font-weight: 800; margin-bottom: 8px; }
.footer-social { display: flex; gap: 10px; flex-wrap: wrap; }
.footer-social a { text-decoration: underline; text-underline-offset: 3px; }
.footer-bottom {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    margin-top: 18px;
    padding-top: 14px;
    border-top: 1px solid rgba(15, 23, 42, 0.08);
}

.form {
    display: grid;
    gap: 10px;
    max-width: 640px;
}
.input, .textarea, .select {
    width: 100%;
    border: 1px solid rgba(15, 23, 42, 0.16);
    border-radius: 12px;
    padding: 10px 12px;
    font: inherit;
}
.textarea { min-height: 140px; resize: vertical; }
.error { color: #b91c1c; font-size: 13px; }

@media (max-width: 860px) {
    .hero-grid { grid-template-columns: 1fr; }
    .grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .nav { gap: 8px; }
    .nav a { padding: 8px; }
}