/* ------------------------------------------------------------------
   components · nav, botões, links
   ------------------------------------------------------------------ */

/* — nav — */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: var(--z-nav);
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: center;
  padding: clamp(.9rem, 1.6vw, 1.25rem) var(--margin);
  color: var(--tinta);
  border-bottom: 1px solid transparent;
  transition: transform var(--m-med) var(--ease-editorial), color var(--m-fast) var(--ease-standard),
              background-color var(--m-fast) var(--ease-standard), border-color var(--m-fast) var(--ease-standard);
  will-change: transform;
}
.nav.is-hidden { transform: translateY(-110%); }
.nav.is-solid { background: var(--nav-bg, var(--gesso)); border-bottom-color: rgba(26, 22, 24, .1); }
.nav.is-dark { color: var(--gesso); }
.nav.is-solid.is-dark { border-bottom-color: rgba(243, 240, 235, .14); }

.nav__brand { display: inline-flex; align-items: baseline; gap: .75rem; justify-self: start; }
.nav__name {
  font-family: var(--font-display); font-style: italic; font-weight: 300;
  font-size: 1.35rem; letter-spacing: -.02em; line-height: 1;
}
.nav__tag { font-family: var(--font-mono); font-size: .66rem; letter-spacing: .08em; text-transform: uppercase; opacity: .6; }
.nav__links { display: flex; gap: clamp(1.25rem, 2.2vw, 2.4rem); }
.nav__links a { font-family: var(--font-mono); font-size: var(--fs-micro); letter-spacing: .06em; text-transform: uppercase; }
.nav__cta { justify-self: end; }

@media (max-width: 899px) {
  .nav { grid-template-columns: 1fr auto; }
  .nav__links, .nav__tag { display: none; }
}

/* — link com sublinhado que corre — */
.link { position: relative; display: inline-block; padding-bottom: .12em; }
.link::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px;
  background: currentColor; transform: scaleX(0); transform-origin: right;
  transition: transform var(--m-med) var(--ease-editorial);
}
.link:hover::after, .link:focus-visible::after { transform: scaleX(1); transform-origin: left; }

.link--arrow {
  display: inline-flex; align-items: center; gap: .75em;
  font-family: var(--font-mono); font-size: var(--fs-micro); letter-spacing: .06em; text-transform: uppercase;
  color: var(--fg);
}
.link--arrow span { display: inline-block; transition: transform var(--m-med) var(--ease-editorial); }
.link--arrow:hover span { transform: translateX(.45em); }
.link--arrow[href^="#"]:hover span.down { transform: translateY(.3em); }

/* — botão: bloco framboesa, canto vivo, texto em caixa baixa — */
.btn {
  position: relative; display: inline-flex; align-items: center; gap: 1.1rem;
  min-height: 52px; padding: 1rem 1.35rem 1rem 1.5rem;
  font-family: var(--font-text); font-size: .98rem; font-weight: 500; letter-spacing: -.005em;
  background: var(--paixao); color: var(--gesso);
  transition: background-color var(--m-fast) var(--ease-standard), color var(--m-fast) var(--ease-standard);
}
.btn::after {
  content: "→"; font-family: var(--font-display); font-size: 1.2rem; line-height: 1;
  transition: transform var(--m-med) var(--ease-editorial);
}
.btn:hover { background: var(--tinta); }
.btn:hover::after { transform: translateX(.35em); }

.btn--ghost {
  background: transparent; color: currentColor; box-shadow: inset 0 0 0 1px currentColor;
  min-height: 40px; padding: .6rem .95rem .6rem 1.05rem; font-size: .9rem;
}
.btn--ghost:hover { background: var(--paixao); color: var(--gesso); box-shadow: none; }
.nav.is-accent .btn--ghost:hover { background: var(--gesso); color: var(--paixao); }

.btn--paper { background: var(--gesso); color: var(--tinta); }
.btn--paper:hover { background: var(--tinta); color: var(--gesso); }
.btn--magnetic { will-change: transform; }