/* NAVBAR */

.navbar{
    position:sticky;
    top:0;
    z-index:100;
    backdrop-filter: blur(12px);
    border-bottom:1px solid var(--border-color);
    background:rgba(15,15,15,.85);
}

.navbar-content{
    display:flex;
    justify-content:space-between;
    align-items:center;
    min-height:80px;
}

/* LOGO */
.logo{
    font-size:1.4rem;
    font-weight:700;
    color:var(--accent-red);
    font-family:var(--font-heading);
    display:flex;
    flex-direction:column;
    align-items:flex-start;
    text-decoration:none;
}

/* MENU */
.menu{
    display:flex;
    gap:32px;
    align-items:center;
}

.menu a{
    position:relative;
    color:var(--text-secondary);
    text-decoration:none;
    font-weight:500;
    transition:.3s;
    padding:8px 0;
}

.menu a:hover{
    color:var(--text-primary);
}

.menu a.active{
    color:var(--accent-red);
}

.menu a.active::after{
    content:"";
    position:absolute;
    left:0;
    bottom:-6px;
    width:100%;
    height:2px;
    background:var(--accent-red);
    border-radius:2px;
}

/* BOTAO */
.btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    padding:12px 24px;
    border-radius:999px;
    transition:.3s;
}

.btn-primary{
    background:var(--accent-red);
    color:#ffffff;
    font-weight:700;
}

.btn-primary:hover{
    background:var(--accent-signal);
}

.btn-outline{
    border:1px solid var(--accent-red);
    color:var(--accent-red);
}

/* CARD */
.card{
    background:var(--bg-card);
    border:1px solid var(--border-color);
    border-radius:var(--radius-md);
    padding:24px;
    box-shadow:var(--shadow-card);
}

.card-link{
    transition:.25s;
    cursor:pointer;
}

.card-link:hover{
    transform:translateY(-6px);
    border-color:var(--accent-red);
    box-shadow:0 10px 30px rgba(255,5,6,.15);
}

/* ==========================================================================
   HERO BRAND VISUALS
   ========================================================================== */

/* 1. Home - Símbolo Modular com Iluminação Sutil */
.hero-symbol-showcase {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    max-width: 420px;
}

.hero-symbol-glow {
    position: absolute;
    width: 340px;
    height: 340px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 5, 6, 0.14) 0%, rgba(99, 2, 2, 0.28) 45%, transparent 72%);
    filter: blur(36px);
    pointer-events: none;
    z-index: 0;
}

.hero-symbol-svg {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 300px;
    height: auto;
    aspect-ratio: 1 / 1;
    filter: drop-shadow(0 12px 30px rgba(99, 2, 2, 0.45));
    transition: transform 0.4s ease, filter 0.4s ease;
}

.hero-symbol-svg:hover {
    transform: scale(1.03);
    filter: drop-shadow(0 16px 36px rgba(255, 5, 6, 0.35));
}

/* 2. Páginas Internas - Key Visual com Linhas de Fluxo / Circuito */
.hero-circuit-flow {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    max-width: 400px;
}

.hero-circuit-svg {
    width: 100%;
    height: auto;
    max-width: 390px;
    overflow: visible;
}