/* ==========================================================================
   Site institucional da plataforma
   ========================================================================== */

.site-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 30px;
    border-bottom: 1px solid var(--border-soft);
    position: sticky;
    top: 0;
    background: rgba(13, 14, 20, .9);
    backdrop-filter: blur(10px);
    z-index: 20;
}
.site-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--text);
}
.site-brand .logo-dot {
    width: 32px; height: 32px;
    border-radius: 9px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    display: grid; place-items: center;
    font-size: 16px;
}
.site-nav { display: flex; align-items: center; gap: 20px; }
.site-nav a { color: var(--text-muted); font-size: .92rem; font-weight: 500; }
.site-nav a:hover { color: var(--text); }
.site-nav a.btn { color: #fff; }

.hero {
    text-align: center;
    padding: 88px 24px 66px;
    background: radial-gradient(1000px 520px at 50% -10%, rgba(108, 92, 231, .28), transparent 70%);
}
.hero h1 {
    font-size: clamp(2rem, 5vw, 3.2rem);
    max-width: 780px;
    margin: 0 auto 18px;
    line-height: 1.15;
    letter-spacing: -.02em;
}
.hero h1 .grad {
    background: linear-gradient(120deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.hero p {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 580px;
    margin: 0 auto 30px;
}

.section { padding: 56px 24px; max-width: 1080px; margin: 0 auto; }
.section h2 { text-align: center; font-size: 1.8rem; margin-bottom: 8px; }
.section .sub { text-align: center; color: var(--text-muted); margin-bottom: 38px; }

.feature {
    background: var(--bg-elev);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 26px;
}
.feature .ico {
    width: 46px; height: 46px;
    border-radius: 13px;
    background: rgba(108, 92, 231, .16);
    display: grid; place-items: center;
    font-size: 22px;
    margin-bottom: 14px;
}
.feature h3 { font-size: 1.05rem; }
.feature p { color: var(--text-muted); font-size: .92rem; margin: 0; }

/* Cartões de plano */
.plan-card {
    background: var(--bg-elev);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px;
    display: flex;
    flex-direction: column;
}
.plan-card.featured {
    border-color: var(--primary);
    box-shadow: 0 0 0 1px var(--primary), var(--shadow);
    position: relative;
}
.plan-card.featured::before {
    content: 'Mais escolhido';
    position: absolute;
    top: -11px; left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: #fff;
    font-size: .68rem;
    font-weight: 700;
    padding: 3px 12px;
    border-radius: 20px;
    letter-spacing: .05em;
    text-transform: uppercase;
}
.plan-card .price {
    font-size: 2.2rem;
    font-weight: 700;
    margin: 12px 0 2px;
}
.plan-card .price small {
    font-size: .9rem;
    font-weight: 500;
    color: var(--text-dim);
}
.plan-card ul {
    list-style: none;
    padding: 0;
    margin: 20px 0;
    flex: 1;
}
.plan-card li {
    padding: 7px 0;
    font-size: .9rem;
    color: var(--text-muted);
    display: flex;
    gap: 9px;
}
.plan-card li::before { content: '✓'; color: var(--accent); font-weight: 700; }

/* Vitrine de rádios */
.radio-tile {
    background: var(--bg-elev);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 18px;
    display: flex;
    align-items: center;
    gap: 14px;
    transition: transform .15s, border-color .15s;
    color: var(--text);
}
.radio-tile:hover {
    transform: translateY(-2px);
    border-color: var(--primary);
    color: var(--text);
}
.radio-tile .cover {
    width: 52px; height: 52px;
    border-radius: 12px;
    display: grid; place-items: center;
    font-size: 24px;
    flex-shrink: 0;
    object-fit: cover;
}
.radio-tile .name { font-weight: 650; }
.radio-tile .tag { font-size: .82rem; color: var(--text-muted); }

.site-footer {
    text-align: center;
    padding: 40px 24px;
    border-top: 1px solid var(--border-soft);
    color: var(--text-muted);
    font-size: .9rem;
}
.site-footer p { margin: 0 0 4px; }