/* ============================================
   Components — buttons, header, footer, cards, form
   Design: institucional branco + azul + amarelo (acento)
   ============================================ */

/* ---------- Skip link (a11y) ---------- */
.skip-link {
  position: absolute;
  left: 0;
  top: -100px;
  z-index: 1000;
  padding: .85rem 1.25rem;
  background: var(--navy);
  color: var(--yellow);
  font-family: var(--font-mono);
  font-size: .85rem;
  font-weight: 500;
  text-decoration: none;
  border-radius: 0 0 var(--r-md) 0;
  transition: top 180ms ease;
}
.skip-link:focus { top: 0; outline: 3px solid var(--yellow); outline-offset: 2px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .6rem;
  padding: 1rem 1.65rem;
  font-family: var(--font-body);
  font-size: .95rem;
  font-weight: 500;
  letter-spacing: 0;
  line-height: 1;
  text-decoration: none;
  border-radius: var(--r-sm);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
  position: relative;
}
.btn--lg  { padding: 1.15rem 1.9rem; font-size: 1rem; }
.btn--block { width: 100%; }

.btn--primary {
  background: var(--navy);
  color: var(--white);
  border-color: var(--navy);
}
.btn--primary::after {
  content: "→";
  font-family: var(--font-mono);
  transition: transform var(--transition);
  color: var(--yellow);
}
.btn--primary:hover {
  background: var(--navy-deep);
  border-color: var(--navy-deep);
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(13, 27, 61, 0.22);
}
.btn--primary:hover::after { transform: translateX(5px); }

.btn--ghost {
  background: transparent;
  color: var(--navy);
  border-color: var(--navy);
}
.btn--ghost:hover {
  background: var(--navy);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(13, 27, 61, 0.18);
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #FFFFFF;
  border-bottom: 1px solid var(--rule);
  transition: box-shadow var(--transition);
}
.site-header.scrolled {
  box-shadow: 0 2px 12px rgba(13, 27, 61, 0.06);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: .85rem;
  padding-bottom: .85rem;
  min-height: 64px;
}

.header__logo { display: flex; align-items: center; color: var(--navy); }
.header__logo img { height: 42px; width: auto; flex-shrink: 0; }
@media (max-width: 520px) { .header__logo img { height: 34px; } }

.header__nav { display: flex; align-items: center; gap: 2rem; }
.header__nav a {
  font-family: var(--font-body);
  font-size: .94rem;
  font-weight: 500;
  color: var(--ink);
  position: relative;
}
.header__nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -6px;
  height: 2px;
  background: var(--yellow);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}
.header__nav a:hover::after { transform: scaleX(1); }

.header__cta { padding: .75rem 1.3rem; font-size: .88rem; }

.header__toggle { display: none; background: none; border: 0; padding: 8px; cursor: pointer; }
.header__toggle span { display: block; width: 24px; height: 2px; background: var(--navy); margin: 5px 0; transition: all var(--transition); }
.header__toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.header__toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.header__toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 960px) {
  .header__cta { display: none; }
  .header__toggle { display: block; }
  .header__nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: var(--white);
    padding: .5rem var(--container-pad) 1.5rem;
    border-top: 1px solid var(--rule);
    border-bottom: 1px solid var(--rule);
    transform: translateY(-120%);
    transition: transform var(--transition);
    box-shadow: 0 12px 28px rgba(13, 27, 61, 0.10);
    z-index: -1;
  }
  .header__nav.is-open { transform: translateY(0); z-index: 1; }
  .header__nav a { padding: 1rem 0; border-bottom: 1px solid var(--rule); width: 100%; }
  .header__nav a:last-child { border-bottom: 0; }
  .header__nav a::after { display: none; }
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--navy);
  color: rgba(255, 255, 255, 0.72);
  padding-top: 4.5rem;
  padding-bottom: 1.5rem;
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(4, 1fr);
  gap: 2.5rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}
.footer__logo {
  background: var(--white);
  padding: 14px 18px;
  border-radius: var(--r-sm);
  max-width: 200px;
  height: auto;
  margin-bottom: 1.25rem;
  display: block;
}
.footer__brand p {
  font-size: .9rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.7);
}
.footer__col h4 {
  color: var(--yellow);
  font-family: var(--font-mono);
  font-size: .72rem;
  font-weight: 500;
  letter-spacing: .18em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
}
.footer__col ul { list-style: none; padding: 0; margin: 0; }
.footer__col li { margin-bottom: .65rem; }
.footer__col a {
  color: rgba(255, 255, 255, 0.72);
  font-size: .92rem;
  transition: color var(--transition);
}
.footer__col a:hover { color: var(--yellow); }

.footer__bottom {
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-family: var(--font-mono);
  font-size: .74rem;
  color: rgba(255, 255, 255, 0.55);
}
.footer__rt span { color: var(--yellow); }

@media (max-width: 1080px) {
  .footer__grid { grid-template-columns: 1.2fr repeat(2, 1fr); gap: 2.5rem; }
  .footer__brand { grid-column: 1 / -1; }
}
@media (max-width: 820px) {
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
}
@media (max-width: 480px) {
  .footer__grid { grid-template-columns: 1fr; }
  .footer__bottom { flex-direction: column; }
}

/* ---------- WhatsApp float ---------- */
.wa-float {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 90;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: #25D366;
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4);
  transition: transform var(--transition), box-shadow var(--transition);
  animation: wa-pulse 2.5s infinite;
}
.wa-float:hover { transform: scale(1.08); color: #fff; box-shadow: 0 12px 28px rgba(37, 211, 102, 0.5); }
.wa-float svg { width: 30px; height: 30px; }

@keyframes wa-pulse {
  0%, 100% { box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4), 0 0 0 0 rgba(37, 211, 102, 0.6); }
  50%      { box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4), 0 0 0 14px rgba(37, 211, 102, 0); }
}

/* ---------- Vertical cards (3 verticais — resumo conceitual) ---------- */
.vert-card {
  background: var(--white);
  border: 1px solid var(--rule);
  border-radius: 0;
  padding: 2.25rem 2rem;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition), background var(--transition);
}
.vert-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 3px;
  background: var(--yellow);
  opacity: 0;
  transition: opacity var(--transition);
}
.vert-card:hover {
  border-color: var(--navy);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}
.vert-card:hover::before { opacity: 1; }

.vert-card__num {
  font-family: var(--font-mono);
  font-size: .74rem;
  font-weight: 500;
  color: var(--yellow-deep);
  letter-spacing: .04em;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: .5rem;
  text-transform: uppercase;
}
.vert-card__num::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--rule);
}

.vert-card__icon {
  width: 40px;
  height: 40px;
  color: var(--navy);
  margin-bottom: 1.25rem;
}
.vert-card__icon svg { width: 100%; height: 100%; }

.vert-card h3 {
  margin: 0 0 .75rem;
  color: var(--navy);
  font-size: 1.18rem;
  line-height: 1.25;
}
.vert-card > p {
  color: var(--ink-soft);
  margin: 0;
  font-size: .96rem;
  line-height: 1.6;
}

/* ---------- Service cards (8 servicos — ficha tecnica enxuta) ---------- */
.serv-card {
  background: var(--white);
  border: 1px solid var(--rule);
  padding: 1.75rem 1.5rem 1.5rem;
  position: relative;
  transition: background var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-height: 260px;
}
.serv-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: var(--yellow);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}
.serv-card:hover {
  background: var(--bg-soft);
  border-color: var(--yellow);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.serv-card:hover::before { transform: scaleX(1); }

.serv-card__code {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  font-family: var(--font-mono);
  font-size: .66rem;
  font-weight: 500;
  letter-spacing: .04em;
  color: var(--yellow-deep);
  padding: 4px 8px;
  border: 1px solid var(--yellow-deep);
  border-radius: var(--r-xs);
  text-transform: uppercase;
  white-space: nowrap;
  background: var(--white);
}
.serv-card:hover .serv-card__code { background: var(--bg-soft); }

.serv-card__icon {
  width: 40px;
  height: 40px;
  color: var(--navy);
  margin: .25rem 0 1.75rem;
  flex-shrink: 0;
}
.serv-card__icon svg { width: 100%; height: 100%; }

.serv-card h3 {
  font-size: 1.05rem;
  margin: auto 0 0;
  line-height: 1.3;
  color: var(--navy);
  font-weight: 600;
  max-width: calc(100% - 2rem); /* evita encavalar no chip top-right */
}

@media (max-width: 560px) {
  .serv-card { min-height: 180px; padding: 1.5rem 1.25rem; }
  .serv-card__code { top: 1rem; right: 1rem; }
  .serv-card h3 { max-width: 100%; }
}

/* ---------- Forms ---------- */
.contato__form {
  background: var(--white);
  border: 1px solid var(--rule);
  border-radius: 0;
  padding: 2.5rem 2.25rem;
  box-shadow: var(--shadow-md);
  position: relative;
}
.contato__form::before {
  content: "FORMULÁRIO · 001";
  position: absolute;
  top: -10px;
  left: 1.5rem;
  background: var(--white);
  padding: 0 .65rem;
  font-family: var(--font-mono);
  font-size: .7rem;
  font-weight: 500;
  letter-spacing: .1em;
  color: var(--yellow-deep);
}
.contato__form h3 { margin-bottom: 1.5rem; }

.field { margin-bottom: 1.15rem; display: flex; flex-direction: column; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.field label {
  font-family: var(--font-mono);
  font-size: .72rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--ink-soft);
  margin-bottom: .45rem;
}
.field input,
.field select,
.field textarea {
  font-family: var(--font-body);
  font-size: .98rem;
  padding: .85rem 1rem;
  border: 1px solid var(--rule);
  border-radius: var(--r-xs);
  background: var(--white);
  color: var(--ink);
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: 0;
  background: var(--bg-soft);
  border-color: var(--navy);
  box-shadow: 0 0 0 3px rgba(245, 185, 34, 0.25);
}
.field textarea { resize: vertical; }

.form__note {
  font-family: var(--font-mono);
  font-size: .72rem;
  color: var(--ink-mute);
  text-align: center;
  margin-top: 1rem;
  margin-bottom: 0;
}

@media (max-width: 560px) { .field-row { grid-template-columns: 1fr; } }