@charset "UTF-8";

:root {
    --vermelho: #E3000F;
    --escuro: #1A1A1A;
    --cinza-fundo: #FBFBFB;
    --branco: #ffffff;
    --texto-suave: #666;
}

* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Montserrat', sans-serif; }

body { background-color: var(--branco); color: #333; line-height: 1.8; scroll-behavior: smooth; }

/* REGRAS DE ESPACAMENTO E CENTRALIZACAO */
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; text-align: center; }

section { padding: 120px 0; } /* Espaco generoso entre secoes */

/* HERO (TARJA PRETA) */
.hero { 
    background: var(--escuro); 
    color: var(--branco); 
    padding: 160px 0 200px; 
}

.hero h1 { font-size: 4rem; font-weight: 900; line-height: 1.1; margin-bottom: 25px; letter-spacing: -1px; }
.hero h1 span { color: var(--vermelho); }
.hero p { font-size: 1.3rem; max-width: 750px; margin: 0 auto 45px; opacity: 0.8; font-weight: 300; }

/* TITULOS CENTRALIZADOS */
.titulo-secao { 
    font-size: 2.8rem; 
    font-weight: 900; 
    margin-bottom: 60px; 
    position: relative; 
    padding-bottom: 25px;
    text-transform: uppercase;
    text-align: center; 
}

.titulo-secao::after { 
    content: ''; width: 80px; height: 6px; background: var(--vermelho); 
    position: absolute; bottom: 0; left: 50%; transform: translateX(-50%); 
}

/* TEXTO INSTITUCIONAL */
.texto-destaque { font-size: 1.35rem; color: var(--texto-suave); font-weight: 300; line-height: 1.9; max-width: 850px; margin: 0 auto; }

/* EXPERTISE CARDS REFINADOS */
.grid-servicos { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 40px; margin-top: 40px; }
.card-servico { 
    padding: 60px 40px; background: var(--branco); border-radius: 20px; 
    box-shadow: 0 10px 40px rgba(0,0,0,0.03); border: 1px solid #f0f0f0; 
    transition: 0.4s; text-align: center;
}
.card-servico:hover { transform: translateY(-10px); box-shadow: 0 20px 60px rgba(0,0,0,0.08); border-color: var(--vermelho); }
.card-servico i { font-size: 3.5rem; color: var(--vermelho); margin-bottom: 30px; display: block; }
.card-servico h3 { font-size: 1.5rem; margin-bottom: 15px; font-weight: 700; }

/* LOGOS DE CLIENTES */
.grid-marcas { 
    display: flex; flex-wrap: wrap; justify-content: center; align-items: center; 
    gap: 70px; margin-top: 50px; 
}
.logo-cliente { max-width: 150px; max-height: 70px; filter: grayscale(100%); opacity: 0.4; transition: 0.4s; }
.logo-cliente:hover { filter: grayscale(0); opacity: 1; transform: scale(1.1); }

/* BOTOES */
.btn-cta { background: var(--vermelho); color: #fff; padding: 18px 45px; text-decoration: none; font-weight: 900; border-radius: 6px; font-size: 1rem; text-transform: uppercase; transition: 0.3s; }
.btn-cta:hover { background: #b0000c; box-shadow: 0 10px 30px rgba(227, 0, 15, 0.3); }

/* GRID DE PORTFOLIO - REFINADO */
.grid-portfolio { 
    display: grid; 
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); 
    gap: 40px; 
    margin-top: 50px;
}

.card-portfolio { 
    position: relative; 
    border-radius: 15px; 
    overflow: hidden; 
    height: 500px; 
    box-shadow: 0 15px 45px rgba(0,0,0,0.08); 
    transition: 0.5s cubic-bezier(0.2, 1, 0.3, 1);
}

.card-portfolio:hover { transform: translateY(-10px); }

.card-portfolio img { 
    width: 100%; 
    height: 100%; 
    object-fit: cover; 
    object-position: top; 
}

/* OVERLAY COM INFORMACOES */
.card-portfolio .overlay {
    position: absolute;
    bottom: 0; left: 0; right: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    padding: 30px;
    color: #fff;
    opacity: 0;
    transition: 0.3s;
    text-align: left;
}

.card-portfolio:hover .overlay { opacity: 1; }
.card-portfolio h4 { font-size: 1.2rem; font-weight: 700; margin-bottom: 5px; }
.card-portfolio span { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 1px; opacity: 0.8; }

/* =========================================
   HEADER E NAVBAR
   ========================================= */
.navbar {
    background-color: var(--branco);
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 15px 0;
}

.flex-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-main {
    max-height: 50px;
    width: auto;
}

.nav-links {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-links li a {
    text-decoration: none;
    color: var(--escuro);
    font-weight: 700;
    font-size: 0.95rem;
    text-transform: uppercase;
    transition: color 0.3s ease;
}

.nav-links li a:hover {
    color: var(--vermelho);
}

.nav-links .btn-login {
    background-color: var(--escuro);
    color: var(--branco);
    padding: 10px 20px;
    border-radius: 6px;
}

.nav-links .btn-login:hover {
    background-color: var(--vermelho);
    color: var(--branco);
}

/* =========================================
   FOOTER 
   ========================================= */
footer {
    background-color: var(--escuro);
    color: var(--branco);
    padding: 40px 0;
    border-top: 4px solid var(--vermelho);
}

.footer-grid {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-grid p {
    margin: 0;
    font-size: 0.9rem;
    opacity: 0.8;
}

.admin-link {
    color: var(--texto-suave);
    text-decoration: none;
    font-size: 0.85rem;
    transition: 0.3s;
}

.admin-link:hover {
    color: var(--branco);
}