/* =========================================================
   Dhionathan Jobim · estrutura comum
   Cabeçalho (preto translúcido ao rolar), menu (vira hambúrguer em 960px) e rodapé.
   ========================================================= */

.site-header {
  position: fixed; inset: 0 0 auto; z-index: 100; height: var(--header-h);
  transition: background-color .25s var(--ease), box-shadow .25s var(--ease);
}
.site-header.is-scrolled, .site-header.is-open {
  background: rgba(7, 7, 12, 0.72); box-shadow: 0 1px 0 var(--line);
  backdrop-filter: saturate(140%) blur(12px); -webkit-backdrop-filter: saturate(140%) blur(12px);
}
.site-header .container { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; color: var(--text); }
.brand__logo { width: 38px; height: auto; filter: drop-shadow(0 0 12px rgba(110,100,255,.45)); }
.brand__name { font: 700 1.0625rem/1.1 var(--font-display); }
.brand__name small { display: block; font: 500 .75rem/1.2 var(--font); color: var(--text-dim); letter-spacing: .06em; }

.nav { display: flex; align-items: center; gap: 28px; }
.nav__list { display: flex; gap: 26px; list-style: none; margin: 0; padding: 0; }
.nav__link { position: relative; padding: 8px 0; color: var(--text-soft); text-decoration: none; font-weight: 500; font-size: .95rem; }
.nav__link::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 2px; height: 2px; border-radius: 2px;
  background: var(--grad); transform: scaleX(0); transform-origin: left; transition: transform .25s var(--ease);
}
.nav__link:hover, .nav__link[aria-current="true"] { color: #fff; }
.nav__link:hover::after, .nav__link[aria-current="true"]::after { transform: scaleX(1); }

.nav-toggle { display: none; width: 48px; height: 48px; margin-right: -8px; background: transparent; border: 0; color: var(--text); cursor: pointer; }
.nav-toggle svg { width: 28px; height: 28px; margin: auto; }
.nav-toggle .i-close { display: none; }
.site-header.is-open .i-open { display: none; }
.site-header.is-open .i-close { display: block; }

@media (max-width: 960px) {
  .nav-toggle { display: inline-flex; }
  .nav {
    position: fixed; top: var(--header-h); left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 18px;
    padding: 18px var(--gutter) 30px; background: rgba(7,7,12,.985); border-top: 1px solid var(--line);
    max-height: calc(100dvh - var(--header-h)); overflow-y: auto;
    visibility: hidden; opacity: 0; transform: translateY(-8px);
    transition: opacity .2s var(--ease), transform .2s var(--ease), visibility 0s linear .2s;
  }
  .site-header.is-open .nav { visibility: visible; opacity: 1; transform: none; transition: opacity .2s var(--ease), transform .2s var(--ease); }
  .nav__list { flex-direction: column; gap: 0; }
  .nav__link { display: block; padding: 14px 0; font-size: 1.0625rem; border-bottom: 1px solid var(--line); }
  .nav__link::after { display: none; }
  .nav .btn { width: 100%; }
}

/* ---------- Rodapé ---------- */
.site-footer { position: relative; background: #050509; border-top: 1px solid var(--line); padding: 56px 0 28px; color: var(--text-soft); font-size: .95rem; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; padding-bottom: 36px; }
.site-footer h3 { font: 600 .8125rem/1 var(--font); letter-spacing: .14em; text-transform: uppercase; color: var(--text); margin-bottom: 16px; }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.site-footer a { color: var(--text-soft); text-decoration: none; }
.site-footer a:hover { color: #fff; }
.footer-bottom { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding-top: 22px; border-top: 1px solid var(--line); font-size: .875rem; color: var(--text-dim); }
@media (max-width: 820px) { .footer-grid { grid-template-columns: 1fr; gap: 28px; } }