/* =============================================================
   SECTIONS.CSS — Marthicali
   Estilos específicos por seção.
   ============================================================= */

/* =============================================================
   HEADER — fixo, transparente no topo, sólido ao rolar
   ============================================================= */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  height: var(--header-height);
  background: linear-gradient(to bottom, rgba(10, 38, 71, 0.75), rgba(10, 38, 71, 0));
  transition: background var(--transition-base), box-shadow var(--transition-base), backdrop-filter var(--transition-base);
}

.site-header.is-scrolled {
  background: rgba(10, 38, 71, 0.96);
  box-shadow: var(--shadow-md);
  backdrop-filter: saturate(140%) blur(6px);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: var(--space-md);
}

.site-header__brand img {
  height: 64px;
  width: auto;
  display: block;
  transition: height var(--transition-base);
}
@media (max-width: 639px) {
  .site-header__brand img { height: 52px; }
}

.site-nav ul {
  display: flex;
  gap: var(--space-lg);
}
.site-nav a {
  color: var(--white);
  font-family: var(--font-heading);
  font-size: var(--fs-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.5rem 0;
  position: relative;
}
.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--blue-light);
  transition: width var(--transition-base);
}
.site-nav a:hover::after,
.site-nav a:focus-visible::after { width: 100%; }

.site-nav__cta-mobile { display: none; }

@media (max-width: 1023px) {
  .site-nav {
    position: fixed;
    inset: var(--header-height) 0 0 0;
    background: rgba(10, 38, 71, 0.98);
    backdrop-filter: blur(8px);
    transform: translateX(100%);
    transition: transform var(--transition-base);
    padding: var(--space-xl) var(--container-padding);
  }
  .site-nav.is-open { transform: translateX(0); }
  .site-nav ul {
    flex-direction: column;
    gap: var(--space-md);
    align-items: flex-start;
  }
  .site-nav a { font-size: var(--fs-lg); }
  .site-nav__cta-mobile { display: inline-block; }

  .site-header__cta { display: none; }
  .site-header__menu-toggle { display: block; }
}

.site-header--compact {
  position: sticky;
  background: var(--navy-deep);
  box-shadow: var(--shadow-md);
}

/* =============================================================
   HERO — slider manual
   ============================================================= */

.hero {
  position: relative;
  min-height: 92vh;
  overflow: hidden;
  color: var(--white);
  isolation: isolate;
}

.hero__slides { position: absolute; inset: 0; }

.hero__slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 900ms ease, visibility 900ms ease;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-color: var(--navy-deep);
  transform: scale(1.05);
}
.hero__slide.is-active {
  opacity: 1;
  visibility: visible;
  animation: hero-kenburns 10s ease-out forwards;
}
@keyframes hero-kenburns {
  from { transform: scale(1.08); }
  to   { transform: scale(1); }
}

.hero__slide::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(125deg, rgba(10, 38, 71, 0.88) 0%, rgba(10, 38, 71, 0.55) 55%, rgba(20, 66, 114, 0.35) 100%),
    linear-gradient(to top, rgba(10, 38, 71, 0.6), transparent 40%);
  z-index: 1;
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 780px;
  padding-top: var(--header-height);
}

.hero__content h1 {
  color: var(--white);
  font-size: clamp(2rem, 5.5vw, 4rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.08;
  margin-bottom: var(--space-md);
  text-shadow: 0 2px 16px rgba(0, 0, 0, 0.35);
  animation: hero-fade-up 900ms ease-out 200ms both;
}

.hero__subheadline {
  font-size: clamp(1rem, 1.6vw, 1.25rem);
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.92);
  max-width: 640px;
  margin-bottom: var(--space-lg);
  animation: hero-fade-up 900ms ease-out 400ms both;
}

.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  animation: hero-fade-up 900ms ease-out 600ms both;
}

@keyframes hero-fade-up {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero__slide:not(.is-active) .hero__content h1,
.hero__slide:not(.is-active) .hero__subheadline,
.hero__slide:not(.is-active) .hero__ctas { animation: none; }

.hero__controls {
  position: absolute;
  bottom: var(--space-lg);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 0.75rem;
  z-index: 3;
}
.hero__dot {
  width: 36px;
  height: 4px;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.35);
  transition: background var(--transition-base), width var(--transition-base);
  cursor: pointer;
}
.hero__dot:hover { background: rgba(255, 255, 255, 0.6); }
.hero__dot.is-active {
  background: var(--blue-light);
  width: 56px;
}

.hero__arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  color: var(--white);
  backdrop-filter: blur(4px);
  transition: background var(--transition-base), transform var(--transition-fast);
  z-index: 3;
}
.hero__arrow:hover { background: rgba(255, 255, 255, 0.25); transform: translateY(-50%) scale(1.05); }
.hero__arrow--prev { left: var(--space-md); }
.hero__arrow--next { right: var(--space-md); }
@media (min-width: 1024px) { .hero__arrow { display: flex; } }

.hero__scroll-hint {
  position: absolute;
  left: 50%;
  bottom: calc(var(--space-lg) + 32px);
  transform: translateX(-50%);
  width: 24px;
  height: 40px;
  border: 2px solid rgba(255, 255, 255, 0.5);
  border-radius: 12px;
  display: none;
  z-index: 3;
}
.hero__scroll-hint span {
  position: absolute;
  left: 50%;
  top: 8px;
  width: 4px;
  height: 8px;
  background: var(--white);
  border-radius: 2px;
  transform: translateX(-50%);
  animation: scroll-hint 1.8s ease-in-out infinite;
}
@keyframes scroll-hint {
  0%, 100% { opacity: 0; transform: translate(-50%, 0); }
  50%      { opacity: 1; transform: translate(-50%, 12px); }
}
@media (min-width: 768px) { .hero__scroll-hint { display: block; } }

/* =============================================================
   SERVIÇOS
   ============================================================= */

.servicos__grid {
  display: grid;
  gap: var(--space-lg);
  grid-template-columns: 1fr;
}
@media (min-width: 768px) { .servicos__grid { grid-template-columns: repeat(3, 1fr); } }

.servico {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-border);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  display: flex;
  flex-direction: column;
}
.servico:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.servico__media {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--gray-bg);
}
.servico__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 600ms ease;
}
.servico:hover .servico__media img { transform: scale(1.06); }

.servico__body { padding: var(--space-lg); }

.servico__icon {
  display: inline-flex;
  width: 52px;
  height: 52px;
  align-items: center;
  justify-content: center;
  background: rgba(44, 116, 179, 0.12);
  color: var(--blue-accent);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-sm);
}

.servico h3 {
  font-size: var(--fs-xl);
  margin-bottom: 0.25rem;
}

.servico__lead {
  color: var(--blue-accent);
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.servico__list {
  margin-top: var(--space-sm);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.servico__list li {
  position: relative;
  padding-left: 1.5rem;
  font-size: var(--fs-sm);
  color: var(--gray-text);
}
.servico__list li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.55rem;
  width: 10px; height: 10px;
  background: var(--blue-accent);
  border-radius: 2px;
  transform: rotate(45deg);
}

/* =============================================================
   POR QUE MARTHICALI (pilares em fundo dark)
   ============================================================= */

.pilares {
  display: grid;
  gap: var(--space-lg);
  grid-template-columns: 1fr;
}
@media (min-width: 640px) { .pilares { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .pilares { grid-template-columns: repeat(4, 1fr); } }

.pilar {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: background var(--transition-base), border-color var(--transition-base), transform var(--transition-base);
}
.pilar:hover {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(93, 173, 226, 0.4);
  transform: translateY(-4px);
}

.pilar__icon {
  display: inline-flex;
  width: 56px;
  height: 56px;
  align-items: center;
  justify-content: center;
  background: rgba(93, 173, 226, 0.15);
  color: var(--blue-light);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
}

.pilar h3 {
  color: var(--white);
  font-size: var(--fs-lg);
  margin-bottom: 0.5rem;
}
.pilar p {
  color: rgba(255, 255, 255, 0.75);
  font-size: var(--fs-sm);
  line-height: 1.6;
  margin: 0;
}

/* =============================================================
   COMO FUNCIONA (timeline)
   ============================================================= */

.timeline {
  display: grid;
  gap: var(--space-lg);
  grid-template-columns: 1fr;
  counter-reset: step;
  position: relative;
}

@media (min-width: 768px) {
  .timeline { grid-template-columns: repeat(4, 1fr); gap: var(--space-sm); }
}

.timeline__step {
  position: relative;
  padding: var(--space-md);
  text-align: center;
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  z-index: 1;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}
.timeline__step:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }

.timeline__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  background: var(--blue-accent);
  color: var(--white);
  border-radius: 50%;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: var(--fs-xl);
  margin-bottom: var(--space-sm);
  box-shadow: 0 6px 16px rgba(44, 116, 179, 0.3);
}

.timeline__step h3 {
  font-size: var(--fs-lg);
  margin-bottom: 0.5rem;
}
.timeline__step p {
  font-size: var(--fs-sm);
  color: var(--gray-text);
  margin: 0;
}

/* =============================================================
   COTAÇÃO — duplo CTA
   ============================================================= */

.cotacao__grid {
  display: grid;
  gap: var(--space-lg);
  grid-template-columns: 1fr;
  max-width: 900px;
  margin: 0 auto;
}
@media (min-width: 768px) { .cotacao__grid { grid-template-columns: 1fr 1fr; } }

.cta-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  text-align: center;
  transition: background var(--transition-base), border-color var(--transition-base), transform var(--transition-base);
}
.cta-card:hover {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(93, 173, 226, 0.5);
  transform: translateY(-4px);
}

.cta-card__icon {
  display: inline-flex;
  width: 72px;
  height: 72px;
  align-items: center;
  justify-content: center;
  background: rgba(93, 173, 226, 0.15);
  color: var(--blue-light);
  border-radius: 50%;
  margin-bottom: var(--space-md);
}
.cta-card__icon--whatsapp {
  background: rgba(16, 185, 129, 0.15);
  color: var(--success);
}

.cta-card h3 {
  color: var(--white);
  font-size: var(--fs-2xl);
  margin-bottom: var(--space-xs);
}
.cta-card p {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--space-md);
}

/* =============================================================
   FAQ (accordion)
   ============================================================= */

.faq__lista {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.faq__item {
  background: var(--white);
  border: 1px solid var(--gray-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}
.faq__item[open] {
  border-color: var(--blue-accent);
  box-shadow: var(--shadow-sm);
}

.faq__item summary {
  padding: var(--space-md) var(--space-lg);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: var(--fs-md);
  color: var(--navy-deep);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  transition: background var(--transition-fast);
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary:hover { background: var(--gray-bg); }

.faq__item summary::after {
  content: "";
  flex-shrink: 0;
  width: 14px;
  height: 14px;
  border-right: 2px solid var(--blue-accent);
  border-bottom: 2px solid var(--blue-accent);
  transform: rotate(45deg);
  transition: transform var(--transition-base);
}
.faq__item[open] summary::after { transform: rotate(-135deg); }

.faq__body {
  padding: 0 var(--space-lg) var(--space-md);
  color: var(--gray-text);
  animation: faq-fade 300ms ease;
}
.faq__body p { margin: 0 0 0.75rem; }
.faq__body p:last-child { margin-bottom: 0; }

@keyframes faq-fade {
  from { opacity: 0; transform: translateY(-4px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* =============================================================
   FOOTER
   ============================================================= */

.site-footer {
  background: var(--navy-deep);
  color: rgba(255, 255, 255, 0.8);
  padding-top: var(--space-2xl);
}

.site-footer__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  padding-bottom: var(--space-xl);
}
@media (min-width: 768px) {
  .site-footer__inner { grid-template-columns: 2fr 1.3fr 1fr 1fr; }
}

.site-footer__brand img {
  margin-bottom: var(--space-md);
  max-width: 200px;
  width: 100%;
  height: auto;
}
.site-footer__brand p {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--fs-sm);
  line-height: 1.6;
  max-width: 380px;
}

.site-footer__col h4 {
  color: var(--white);
  font-size: var(--fs-sm);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-md);
}

.site-footer__contact { display: flex; flex-direction: column; gap: var(--space-sm); }
.site-footer__contact li {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  font-size: var(--fs-sm);
}
.site-footer__contact a {
  color: var(--blue-light);
}
.site-footer__contact a:hover { color: var(--white); }

.site-footer__label {
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: rgba(255, 255, 255, 0.5);
}

.site-footer__links { display: flex; flex-direction: column; gap: 0.5rem; }
.site-footer__links a {
  color: rgba(255, 255, 255, 0.75);
  font-size: var(--fs-sm);
}
.site-footer__links a:hover { color: var(--white); }

.site-footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}
.site-footer__bottom-inner {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding-top: var(--space-md);
  padding-bottom: var(--space-md);
  align-items: center;
  text-align: center;
}
@media (min-width: 640px) {
  .site-footer__bottom-inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}
.site-footer__bottom small {
  font-size: var(--fs-xs);
  color: rgba(255, 255, 255, 0.5);
}
.site-footer__credit { font-style: italic; }