/* ==========================================================================
   MV Eventos — Main
   Layout das seções, navbar, hero, footer, whatsapp e responsividade.
   ========================================================================== */

/* ============================== NAVBAR ============================== */
.navbar {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: var(--z-navbar);
  transition: background-color var(--transition-base), box-shadow var(--transition-base),
    padding var(--transition-base);
  padding-block: 1.1rem;
}

.navbar.is-scrolled {
  background-color: rgba(10, 10, 10, 0.72);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border-subtle);
  padding-block: 0.7rem;
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.navbar__logo img {
  height: 44px;
  width: auto;
  transition: height var(--transition-base);
}

.navbar.is-scrolled .navbar__logo img {
  height: 38px;
}

.navbar__menu {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.navbar__links {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.navbar__link {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.02rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  position: relative;
  padding: 0.25rem 0;
  transition: color var(--transition-fast);
}

.navbar__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 2px;
  background-color: var(--color-accent);
  transition: width var(--transition-base);
}

.navbar__link:hover,
.navbar__link.is-active {
  color: var(--color-text-primary);
}

.navbar__link:hover::after,
.navbar__link.is-active::after {
  width: 100%;
}

/* Hamburger */
.navbar__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  z-index: var(--z-mobile-menu);
}

.navbar__toggle span {
  display: block;
  width: 26px;
  height: 2px;
  background-color: var(--color-text-primary);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base);
  margin-inline: auto;
}

.navbar__toggle.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.navbar__toggle.is-open span:nth-child(2) {
  opacity: 0;
}
.navbar__toggle.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ============================== HERO ============================== */
.hero {
  position: relative;
  height: 100vh;
  min-height: 620px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background-color: #000;
}

.hero__video-wrap {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}

/* iframe do YouTube escalonado para cobrir a tela (16:9) */
.hero__video-wrap iframe {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100vw;
  height: 56.25vw;            /* 16:9 baseado na largura */
  min-height: 100vh;
  min-width: 177.77vh;        /* 16:9 baseado na altura */
  transform: translate(-50%, -50%);
  border: 0;
  pointer-events: none;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  z-index: var(--z-hero-overlay);
  background: linear-gradient(
    to bottom,
    rgba(10, 10, 10, 0.75) 0%,
    rgba(10, 10, 10, 0.55) 45%,
    rgba(10, 10, 10, 0.9) 100%
  );
}

.hero__content {
  position: relative;
  z-index: 3;
  max-width: 820px;
}

.hero__eyebrow {
  display: inline-block;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.hero__title {
  color: var(--color-text-primary);
  margin-bottom: var(--space-sm);
  text-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

.hero__subtitle {
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  color: var(--color-text-secondary);
  max-width: 620px;
  margin-bottom: var(--space-lg);
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.hero__scroll {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  color: var(--color-text-muted);
  font-size: 0.8rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.hero__scroll::after {
  content: "";
  width: 1px;
  height: 34px;
  background: linear-gradient(var(--color-accent), transparent);
  animation: scrollLine 1.8s ease-in-out infinite;
}

@keyframes scrollLine {
  0%, 100% { opacity: 0.3; transform: scaleY(0.6); }
  50% { opacity: 1; transform: scaleY(1); }
}

/* ============================== SOBRE ============================== */
.about__grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: var(--space-2xl);
  align-items: center;
}

.about__text p {
  font-size: 1.05rem;
  line-height: 1.75;
  margin-bottom: var(--space-sm);
}

.about__stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.stat-card {
  background-color: var(--color-bg-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-card);
  padding: var(--space-md);
  text-align: center;
}

.stat-card__number {
  font-family: var(--font-heading);
  font-size: clamp(2.4rem, 5vw, 3.2rem);
  font-weight: 900;
  color: var(--color-accent);
  line-height: 1;
}

.stat-card__label {
  font-family: var(--font-heading);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  margin-top: 0.4rem;
}

/* ============================== GRIDS ============================== */
.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-sm);
}

/* ============================== CONTATO ============================== */
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: start;
}

.contact__form-wrap {
  background-color: var(--color-bg-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-card);
  padding: var(--space-lg);
}

/* ============================== FOOTER ============================== */
.footer {
  background-color: var(--color-bg-section-alt);
  border-top: 1px solid var(--color-border-subtle);
  padding-block: var(--space-xl) var(--space-md);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.4fr;
  gap: var(--space-xl);
  margin-bottom: var(--space-lg);
}

.footer__logo img {
  height: 52px;
  width: auto;
  margin-bottom: var(--space-sm);
}

.footer__about {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  max-width: 320px;
}

.footer__col-title {
  font-family: var(--font-heading);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-text-primary);
  margin-bottom: var(--space-sm);
  font-size: 1.15rem;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer__links a {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  transition: color var(--transition-fast);
  width: fit-content;
}

.footer__links a:hover {
  color: var(--color-accent);
}

.footer__contact-line {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  margin-bottom: 0.6rem;
  display: flex;
  gap: 0.5rem;
  align-items: flex-start;
}

.footer__contact-line a:hover {
  color: var(--color-accent);
}

.footer__bottom {
  border-top: 1px solid var(--color-border-subtle);
  padding-top: var(--space-md);
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.88rem;
}

.footer__bottom p {
  margin-bottom: 0.5rem;
}

.footer__credits {
  font-size: 0.85rem;
  opacity: 0.8;
}

.footer__credits a {
  color: var(--color-accent);
  text-decoration: none;
  font-weight: 500;
  transition: opacity var(--transition-base);
}

.footer__credits a:hover {
  opacity: 0.8;
  text-decoration: underline;
}

/* ============================== WHATSAPP FLUTUANTE ============================== */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: var(--z-whatsapp);
  display: flex;
  align-items: center;
}

.whatsapp-float__btn {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background-color: var(--color-whatsapp);
  display: grid;
  place-items: center;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4);
  animation: waPulse 2.4s ease-in-out infinite;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.whatsapp-float__btn:hover {
  background-color: var(--color-whatsapp-hover);
  transform: scale(1.06);
}

.whatsapp-float__btn svg {
  width: 32px;
  height: 32px;
  fill: #fff;
}

.whatsapp-float__tooltip {
  position: absolute;
  right: 74px;
  background-color: var(--color-bg-elevated);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border-subtle);
  padding: 0.55rem 0.9rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  white-space: nowrap;
  opacity: 0;
  transform: translateX(10px);
  pointer-events: none;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.whatsapp-float:hover .whatsapp-float__tooltip {
  opacity: 1;
  transform: translateX(0);
}

@keyframes waPulse {
  0% { box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4), 0 0 0 0 rgba(37, 211, 102, 0.5); }
  70% { box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4), 0 0 0 18px rgba(37, 211, 102, 0); }
  100% { box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4), 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* ==========================================================================
   ANIMAÇÕES DE ENTRADA (Intersection Observer)
   ========================================================================== */
[data-animate] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: opacity, transform;
}

[data-animate].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   RESPONSIVIDADE
   ========================================================================== */

/* Desktop pequeno / tablet grande */
@media (max-width: 1080px) {
  .products-grid { grid-template-columns: repeat(3, 1fr); }
}

/* Tablet */
@media (max-width: 900px) {
  .about__grid { grid-template-columns: 1fr; gap: var(--space-lg); }
  .services-grid { grid-template-columns: 1fr; }
  .contact__grid { grid-template-columns: 1fr; gap: var(--space-lg); }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: var(--space-lg); }
  .products-grid { grid-template-columns: repeat(2, 1fr); }

  /* Menu mobile */
  .navbar__toggle { display: flex; }
  .navbar__menu {
    position: fixed;
    inset: 0 0 0 auto;
    width: min(320px, 80vw);
    flex-direction: column;
    justify-content: flex-start;
    gap: var(--space-xl);
    background-color: var(--color-bg-surface);
    border-left: 1px solid var(--color-border-subtle);
    padding: var(--space-2xl) var(--space-lg);
    padding-top: 100px;
    overflow-y: auto;
    transform: translateX(100%);
    transition: transform var(--transition-base);
    z-index: var(--z-mobile-menu);
  }
  .navbar__menu.is-open {
    transform: translateX(0);
  }
  .navbar__links {
    flex-direction: column;
    gap: var(--space-md);
    align-items: flex-start;
    width: 100%;
  }
  .navbar__link { font-size: 1.3rem; }
  .navbar__menu .btn { width: 100%; }
  .nav-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base), visibility var(--transition-base);
    z-index: var(--z-navbar);
  }
  .nav-backdrop.is-open {
    opacity: 1;
    visibility: visible;
  }
}

/* Mobile */
@media (max-width: 600px) {
  .section { padding-block: var(--space-xl); }
  .products-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); gap: 0.5rem; }
  .about__stats { grid-template-columns: 1fr 1fr; }
  .footer__grid { grid-template-columns: 1fr; }
  .contact__form-wrap { padding: var(--space-md); }
  .hero { min-height: 560px; }
  .whatsapp-float { bottom: 18px; right: 18px; }
  .whatsapp-float__btn { width: 54px; height: 54px; }
}

/* Reduzir movimento */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  [data-animate] {
    opacity: 1;
    transform: none;
  }
  .hero__scroll::after,
  .whatsapp-float__btn {
    animation: none;
  }
}