/* ==========================================================================
   Componentes: header, nav, botões, eyebrow, footer
   ========================================================================== */

/* --------------------------------------------------------- Botões */

/* Botão sólido, sem brilho colorido e sem "pulo" no hover — o halo azul
   embaixo do botão era o que dava aparência de template genérico. */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: 8px;
  font-size: var(--fs-small);
  font-weight: 600;
  letter-spacing: -0.01em;
  white-space: nowrap;
  transition: background-color var(--dur) var(--ease),
              border-color var(--dur) var(--ease),
              color var(--dur) var(--ease);
}

.btn__arrow {
  transition: transform var(--dur) var(--ease);
}

.btn:hover .btn__arrow {
  transform: translateX(3px);
}

.btn--primary {
  background: var(--btn-bg);
  color: var(--btn-fg);
}

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

/* Superfícies escuras invertem o botão: fica branco com texto quase-preto.
   Como são custom properties, basta declarar no container — todo botão
   dentro dele herda, sem precisar de classe extra no HTML. */
.site-header,
.drawer,
.hero,
.page-hero,
.section--dark,
.final-cta__box,
.site-footer {
  --btn-bg: var(--text-white);
  --btn-fg: var(--text-dark);
  --btn-bg-hover: #E4E4E6;
}

/* Botão secundário. Ele precisa de contorno e de preenchimento próprios: sem
   isso vira branco sobre branco (ou preto sobre preto) e só o texto aparece. */
.btn--ghost-light {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-white);
  border: 1px solid var(--border-strong-dark);
}

.btn--ghost-light:hover {
  background: rgba(255, 255, 255, 0.16);
}

.btn--ghost-dark {
  background: var(--bg-card-light);
  color: var(--text-dark);
  border: 1px solid var(--border-strong);
}

.btn--ghost-dark:hover {
  background: #E4E4E6;
}

.btn--lg {
  padding: 15px 26px;
  font-size: 1rem;
}

/* --------------------------------------------------------- Eyebrow / label */

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
  font-size: var(--fs-label);
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--brand-primary);
}

.section--dark .eyebrow {
  color: var(--brand-bright);
}

.eyebrow::before {
  content: '';
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 0 4px color-mix(in srgb, currentColor 18%, transparent);
}

/* --------------------------------------------------------- Cabeçalho de seção */

.section-head {
  max-width: 640px;
}

.section-head--center {
  margin-inline: auto;
  text-align: center;
}

.section-head p {
  margin-top: 18px;
  color: var(--text-muted);
}

.section--dark .section-head p {
  color: var(--text-muted-dark);
}

/* --------------------------------------------------------- Header / navegação */

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background-color var(--dur) var(--ease),
              border-color var(--dur) var(--ease),
              backdrop-filter var(--dur) var(--ease);
}

.site-header.is-scrolled {
  background: rgba(10, 10, 10, 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: var(--border-dark);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

/* Logo — o arquivo tem fundo escuro embutido E uma moldura vazia larga
   (o logotipo ocupa só ~70% x 39% do JPG). Por isso a imagem é ampliada
   dentro de um container que recorta a moldura, senão o logotipo renderiza
   ilegível. Ver skill design-system > Logos. */
.brand {
  --brand-w: 92px;

  position: relative;
  display: block;
  flex-shrink: 0;
  width: var(--brand-w);
  /* proporção real do logotipo dentro do arquivo: 448 x 247 = 1.81 */
  aspect-ratio: 1.81;
  overflow: hidden;
  border-radius: var(--radius-sm);
  background: var(--bg-dark);
}

.brand img {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 143%;          /* 100 / 0.70 — desfaz a moldura horizontal */
  height: auto;
  max-width: none;
  /* centro real do logotipo dentro do arquivo: 49.7% / 48.2% */
  transform: translate(-49.7%, -48.2%);
}

.brand--sm { --brand-w: 78px; }
.brand--lg { --brand-w: 112px; }

/* --- Nav desktop --- */

.nav {
  display: none;
}

.nav__list {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav__item {
  position: relative;
}

/* Sem retângulo de fundo no hover: o texto só passa de branco para azul. */
.nav__link,
.nav__trigger {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 12px;
  font-size: var(--fs-small);
  font-weight: 500;
  color: var(--text-white);
  background: none;
  transition: color var(--dur) var(--ease);
}

.nav__link:hover,
.nav__trigger:hover,
.nav__item:hover > .nav__trigger,
.nav__item:focus-within > .nav__trigger,
.nav__link[aria-current='page'] {
  color: var(--brand-bright);
}

.nav__chevron {
  transition: transform var(--dur) var(--ease);
}

.nav__item:hover .nav__chevron,
.nav__item:focus-within .nav__chevron {
  transform: rotate(180deg);
}

/* --- Dropdown --- */

.nav__dropdown {
  position: absolute;
  top: calc(100% + 10px);
  left: 0;
  min-width: 244px;
  padding: 8px;
  border-radius: var(--radius);
  background: #17171A;
  border: 1px solid var(--border-dark);
  box-shadow: var(--shadow-float);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity var(--dur) var(--ease),
              transform var(--dur) var(--ease),
              visibility var(--dur) var(--ease);
}

.nav__item:hover .nav__dropdown,
.nav__item:focus-within .nav__dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav__dropdown a {
  display: block;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  font-size: var(--fs-small);
  color: rgba(255, 255, 255, 0.82);
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.nav__dropdown a:hover {
  background: rgba(255, 255, 255, 0.07);
  color: var(--text-white);
}

.nav__dropdown span {
  display: block;
  margin-top: 2px;
  font-size: 0.8125rem;
  line-height: 1.4;
  color: var(--text-muted-dark);
}

/* --- Ações do header --- */

.site-header__actions {
  display: none;
}

/* --- Botão hambúrguer --- */

.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-dark);
  background: rgba(255, 255, 255, 0.05);
}

.nav-toggle span {
  display: block;
  height: 2px;
  border-radius: 2px;
  background: var(--text-white);
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}

.nav-toggle[aria-expanded='true'] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded='true'] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded='true'] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* --------------------------------------------------------- Drawer mobile */

.drawer-overlay {
  position: fixed;
  inset: 0;
  z-index: 110;
  background: rgba(0, 0, 0, 0.5);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--dur) var(--ease), visibility var(--dur) var(--ease);
}

.drawer-overlay.is-open {
  opacity: 1;
  visibility: visible;
}

.drawer {
  position: fixed;
  top: 0;
  right: 0;
  z-index: 120;
  width: min(340px, 86vw);
  height: 100dvh;
  padding: 20px;
  overflow-y: auto;
  background: var(--bg-dark);
  border-left: 1px solid var(--border-dark);
  color: var(--text-white);
  transform: translateX(100%);
  visibility: hidden;
  transition: transform 300ms var(--ease), visibility 300ms var(--ease);
}

.drawer.is-open {
  transform: translateX(0);
  visibility: visible;
}

.drawer__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
}

.drawer__close {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-dark);
  color: var(--text-white);
}

.drawer__close:hover {
  background: rgba(255, 255, 255, 0.08);
}

.drawer__group + .drawer__group {
  margin-top: 6px;
  padding-top: 6px;
  border-top: 1px solid var(--border-dark);
}

.drawer__label {
  display: block;
  padding: 14px 4px 6px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted-dark);
}

.drawer a.drawer__link {
  display: block;
  padding: 12px 4px;
  font-size: 1.0625rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.88);
}

.drawer a.drawer__link:hover {
  color: var(--brand-bright);
}

.drawer .btn {
  width: 100%;
  justify-content: center;
  margin-top: 24px;
}

/* --------------------------------------------------------- Footer */

.site-footer {
  background: var(--bg-dark);
  color: var(--text-white);
  padding-block: 72px 32px;
}

.site-footer__top {
  display: grid;
  gap: 44px;
  padding-bottom: 44px;
  border-bottom: 1px solid var(--border-dark);
}

.site-footer__about p {
  margin-top: 20px;
  max-width: 34ch;
  font-size: var(--fs-small);
  color: var(--text-muted-dark);
}

.site-footer__cols {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 32px;
}

.site-footer h4 {
  margin-bottom: 16px;
  font-size: var(--fs-label);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted-dark);
}

.site-footer li + li {
  margin-top: 11px;
}

.site-footer li a {
  font-size: var(--fs-small);
  color: rgba(255, 255, 255, 0.8);
  transition: color var(--dur) var(--ease);
}

.site-footer li a:hover {
  color: var(--brand-bright);
}

.site-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-top: 28px;
  font-size: 0.875rem;
  color: var(--text-muted-dark);
}

.site-footer__bottom p { margin: 0; }

/* --------------------------------------------------------- Breakpoints */

@media (min-width: 992px) {
  .nav { display: block; }
  .site-header__actions { display: flex; align-items: center; gap: 12px; }
  .nav-toggle { display: none; }
  .drawer, .drawer-overlay { display: none; }

  .site-footer__top {
    grid-template-columns: 1.1fr 1.6fr;
    gap: 64px;
  }
}