/* ============================================================
   Busca Fatos — buscafatos.com.br
   Paleta: Azul jornalístico (#1a3c6e), branco e destaque âmbar (#f2a900)
   Layout: Institucional/Jornalístico — tipografia editorial com serifa
   Fontes: Libre Caslon Text (títulos) / Inter (texto) / Unica One (marca)
   ============================================================ */

:root {
    --cor-primaria: #1a3c6e;
    --cor-secundaria: #f2a900;
    --cor-fundo: #f7f9fc;
    --cor-texto: #1f2933;
    --cor-fundo-footer: #12294e;
    --cor-texto-footer: #ffffff;
    --cor-borda: #d9e0ea;
    --fonte-titulo: "Libre Caslon Text", Georgia, serif;
    --fonte-corpo: "Inter", "Segoe UI", Arial, sans-serif;
    --fonte-marca: "Unica One", "Libre Caslon Text", serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: var(--fonte-corpo);
    background: var(--cor-fundo);
    color: var(--cor-texto);
    line-height: 1.7;
}

.container { width: 90%; max-width: 1100px; margin: 0 auto; }

a { color: var(--cor-primaria); }
strong { color: #12294e; }

/* ---------- Cabeçalho ---------- */
.site-header {
    background: var(--cor-primaria);
    padding: 0.9rem 0;
    border-bottom: 4px solid var(--cor-secundaria);
}
.site-header .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; }
.masthead { display: flex; align-items: center; gap: .6rem; text-decoration: none; }
.masthead-mark {
    display: inline-flex; align-items: center; justify-content: center;
    width: 2.4rem; height: 2.4rem;
    background: var(--cor-secundaria);
    color: var(--cor-primaria);
    font-family: var(--fonte-marca);
    font-size: 1.15rem;
    letter-spacing: .05em;
}
.masthead-title {
    font-family: var(--fonte-marca);
    color: #fff;
    font-size: 1.5rem;
    letter-spacing: .12em;
    text-transform: uppercase;
}
.main-navigation ul { list-style: none; display: flex; gap: 1.2rem; }
.main-navigation a { color: #e8edf5; text-decoration: none; font-weight: 500; font-size: .95rem; }
.main-navigation a:hover { color: var(--cor-secundaria); }

/* ---------- Hero ---------- */
.hero {
    background:
        linear-gradient(180deg, rgba(18,41,78,.94), rgba(26,60,110,.90)),
        repeating-linear-gradient(90deg, rgba(255,255,255,.05) 0 1px, transparent 1px 90px);
    color: #fff;
    padding: 4.5rem 0 4rem;
}
.hero-kicker {
    font-family: var(--fonte-marca);
    letter-spacing: .25em;
    text-transform: uppercase;
    color: var(--cor-secundaria);
    font-size: .95rem;
    margin-bottom: .8rem;
}
.hero h1 {
    font-family: var(--fonte-titulo);
    font-size: 2.5rem;
    line-height: 1.25;
    max-width: 840px;
    margin-bottom: 1.1rem;
}
.hero-subtitle { font-size: 1.1rem; max-width: 760px; color: #dbe4f0; margin-bottom: 1.8rem; }
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }

.btn {
    display: inline-block;
    padding: .75rem 1.6rem;
    font-family: var(--fonte-corpo);
    font-weight: 600;
    font-size: .95rem;
    text-decoration: none;
    border: 2px solid transparent;
    transition: background .2s ease, color .2s ease, border-color .2s ease;
}
.btn-solid { background: var(--cor-secundaria); color: #12294e; }
.btn-solid:hover { background: #ffc42e; }
.btn-outline { border-color: var(--cor-secundaria); color: var(--cor-secundaria); }
.btn-outline:hover { background: var(--cor-secundaria); color: #12294e; }

/* ---------- Conteúdo ---------- */
.main-content { padding: 3.5rem 0 3rem; }
.content-section { margin-bottom: 3rem; }
.content-section > h2 {
    font-family: var(--fonte-titulo);
    color: var(--cor-primaria);
    font-size: 1.7rem;
    margin-bottom: .4rem;
}
.content-section > h2::after {
    content: "";
    display: block;
    width: 64px;
    height: 4px;
    background: var(--cor-secundaria);
    margin-top: .5rem;
    margin-bottom: 1.2rem;
}
.content-section p { margin-bottom: 1rem; max-width: 820px; }

/* Metodologia — passos numerados */
.steps-list { list-style: none; counter-reset: passo; }
.steps-list li {
    display: flex;
    gap: 1.1rem;
    align-items: flex-start;
    background: #fff;
    border: 1px solid var(--cor-borda);
    border-left: 4px solid var(--cor-primaria);
    padding: 1.2rem 1.4rem;
    margin-bottom: 1rem;
}
.step-number {
    font-family: var(--fonte-marca);
    font-size: 1.6rem;
    color: var(--cor-secundaria);
    line-height: 1;
    min-width: 1.6rem;
}
.steps-list h3 { font-family: var(--fonte-titulo); color: var(--cor-primaria); font-size: 1.15rem; margin-bottom: .3rem; }
.steps-list p { margin: 0; font-size: .98rem; max-width: none; }

/* Temas — grade de cartões */
.topics-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
.topic-card {
    background: #fff;
    border: 1px solid var(--cor-borda);
    border-top: 4px solid var(--cor-secundaria);
    padding: 1.3rem 1.2rem;
}
.topic-card:hover { border-top-color: var(--cor-primaria); }
.topic-tag {
    display: inline-block;
    font-size: .72rem;
    font-weight: 700;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--cor-primaria);
    background: #e9eff8;
    padding: .25rem .6rem;
    margin-bottom: .7rem;
}
.topic-card h3 { font-family: var(--fonte-titulo); font-size: 1.08rem; color: #12294e; margin-bottom: .4rem; }
.topic-card p { font-size: .93rem; margin: 0; }

/* Guia — lista editorial */
.guide-list { list-style: none; }
.guide-list li {
    padding: .8rem 0 .8rem 1.8rem;
    border-bottom: 1px solid var(--cor-borda);
    position: relative;
    max-width: 820px;
}
.guide-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    top: .8rem;
    color: var(--cor-secundaria);
    font-weight: 700;
}

/* FAQ */
.faq-group { max-width: 820px; }
.faq-group details {
    background: #fff;
    border: 1px solid var(--cor-borda);
    margin-bottom: .7rem;
    padding: 1rem 1.2rem;
}
.faq-group summary {
    font-weight: 600;
    color: var(--cor-primaria);
    cursor: pointer;
    list-style-position: inside;
}
.faq-group details[open] summary { border-bottom: 1px dashed var(--cor-borda); padding-bottom: .6rem; margin-bottom: .6rem; }
.faq-group p { margin: 0; font-size: .96rem; }

/* ---------- Rodapé ---------- */
.site-footer {
    background: var(--cor-fundo-footer);
    color: var(--cor-texto-footer);
    padding: 2.6rem 0 1.4rem;
    margin-top: 2rem;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1.4fr; gap: 2rem; margin-bottom: 1.8rem; }
.footer-logo {
    font-family: var(--fonte-marca);
    font-size: 1.3rem;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--cor-secundaria);
    display: block;
    margin-bottom: .5rem;
}
.footer-about p { color: #c6d2e4; font-size: .92rem; max-width: 320px; }
.site-footer h4 {
    font-family: var(--fonte-corpo);
    font-size: .8rem;
    letter-spacing: .16em;
    text-transform: uppercase;
    color: var(--cor-secundaria);
    margin-bottom: .7rem;
}
.site-footer ul { list-style: none; }
.site-footer li { margin-bottom: .45rem; }
.site-footer a { color: #dbe4f0; text-decoration: none; font-size: .92rem; }
.site-footer a:hover { color: var(--cor-secundaria); text-decoration: underline; }
.footer-copy {
    border-top: 1px solid rgba(255,255,255,.18);
    padding-top: 1.1rem;
    text-align: center;
    font-size: .85rem;
    color: #9fb0c9;
}