/*
 * LC Alumiglass — Stylesheet
 * ============================================================
 * Paleta:
 *   --brand-dark    : #1C2B3A  (chumbo/azul escuro — elemento principal)
 *   --brand-mid     : #2E4560  (azul médio — hover, destaques)
 *   --brand-accent  : #4A7FA5  (azul claro — links, bordas sutis)
 *   --neutral-900   : #111418  (texto principal)
 *   --neutral-600   : #4A5568  (texto secundário)
 *   --neutral-200   : #E8ECF0  (linhas, bordas)
 *   --ice           : #F4F6F8  (fundo seções alternadas)
 *   --white         : #FFFFFF
 * ============================================================
 */

/* ── RESET & BASE ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --brand-dark:   #000000;
  --brand-mid:    #565656;
  --brand-accent: #e3b75d;
  --neutral-900:  #1a1a1a;
  --neutral-600:  #565656;
  --neutral-300:  #999999;
  --neutral-200:  #e8e8e8;
  --ice:          #f7f5f2;
  --white:        #ffffff;
  --gold:         #e3b75d;
  --gold-light:   #f0cc7f;
  --gold-dark:    #b8902a;

  --font-display: 'Montserrat', system-ui, sans-serif;
  --font-body:    'Montserrat', system-ui, sans-serif;

  --radius:    4px;
  --radius-lg: 8px;
  --trans:     0.35s ease;
  --shadow:    0 4px 24px rgba(28,43,58,0.10);
  --shadow-lg: 0 12px 48px rgba(28,43,58,0.18);

  --container: 1200px;
  --pad-x:     clamp(1.25rem, 5vw, 3rem);
  --section-pad: clamp(3rem, 6vw, 5.5rem);
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--neutral-900);
  background: var(--white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; height: auto; }

a { color: inherit; text-decoration: none; }

ul { list-style: none; }

/* ── LAYOUT ──────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--pad-x);
}

.section-pad { padding: var(--section-pad) 0; }

.bg-ice  { background: var(--ice); }
.bg-dark { background: var(--brand-dark); }

/* ── TYPOGRAPHY ──────────────────────────────────────────── */
.section-eyebrow {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1rem;
}

.eyebrow-light { color: rgba(255,255,255,0.65); }

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 600;
  line-height: 1.15;
  color: var(--brand-dark);
  margin-bottom: 1.25rem;
}

.section-sub {
  font-size: 1.05rem;
  color: var(--neutral-600);
  max-width: 560px;
}

.section-header {
  text-align: center;
  margin-bottom: clamp(2.5rem, 4vw, 3.5rem);
}

.section-header .section-sub {
  margin: 0 auto;
}

/* ── BUTTONS ─────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.75rem;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: background 0.3s ease, color 0.3s ease, border-color 0.3s ease,
              box-shadow 0.3s ease, transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
  border: 2px solid transparent;
  text-decoration: none;
  white-space: nowrap;
  will-change: transform;
}

.btn:hover {
  transform: scale(1.045);
}

.btn:active {
  transform: scale(0.97);
  transition-duration: 0.1s;
}

.btn:focus-visible { outline: 3px solid var(--brand-accent); outline-offset: 3px; }

.btn-primary {
  background: var(--brand-dark);
  color: var(--white);
  border-color: var(--brand-dark);
}
.btn-primary:hover {
  background: var(--brand-mid);
  border-color: var(--brand-mid);
  box-shadow: 0 10px 28px rgba(0,0,0,0.28);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.55);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.12);
  border-color: var(--white);
  box-shadow: 0 10px 28px rgba(0,0,0,0.22);
}

.btn-secondary {
  background: transparent;
  color: var(--brand-dark);
  border-color: var(--brand-dark);
}
.btn-secondary:hover {
  background: var(--brand-dark);
  color: var(--white);
  box-shadow: 0 10px 28px rgba(0,0,0,0.22);
}

.btn-white {
  background: var(--white);
  color: var(--brand-dark);
  border-color: var(--white);
}
.btn-white:hover {
  background: var(--ice);
  box-shadow: 0 14px 36px rgba(0,0,0,0.30);
}

/* ── REVEAL ANIMATIONS ───────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* stagger siblings */
.reveal:nth-child(2) { transition-delay: 0.07s; }
.reveal:nth-child(3) { transition-delay: 0.14s; }
.reveal:nth-child(4) { transition-delay: 0.21s; }
.reveal:nth-child(5) { transition-delay: 0.28s; }
.reveal:nth-child(6) { transition-delay: 0.35s; }
.reveal:nth-child(7) { transition-delay: 0.42s; }
.reveal:nth-child(8) { transition-delay: 0.49s; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }

  .hero-eyebrow,
  .hero-sub,
  .hero-actions,
  .hero-line-inner {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }

  .whatsapp-float {
    animation: none;
  }

  .btn:hover,
  .btn:active {
    transform: none;
  }
}

/* ── HEADER ──────────────────────────────────────────────── */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 1.25rem 0;
  background: #000000;
  transition: background var(--trans), box-shadow var(--trans), padding var(--trans);
}

.site-header.scrolled {
  background: #000000;
  box-shadow: 0 2px 24px rgba(0,0,0,0.35);
  padding: 0.85rem 0;
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 2rem;
}

/* Logo */
.logo {
  display: flex;
  align-items: baseline;
  gap: 0.3rem;
  text-decoration: none;
  flex-shrink: 0;
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.logo:hover {
  transform: scale(1.04);
}

.logo-lc {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--white);
  transition: color var(--trans);
  letter-spacing: -0.02em;
}

.logo-name {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  color: rgba(255,255,255,0.75);
  letter-spacing: 0.06em;
  transition: color var(--trans);
}

.site-header.scrolled .logo-lc  { color: var(--white); }
.site-header.scrolled .logo-name { color: rgba(255,255,255,0.75); }

/* Nav */
.main-nav { margin-left: auto; }

.nav-list {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2.5vw, 2rem);
}

.nav-link {
  position: relative;
  font-size: 0.825rem;
  font-weight: 500;
  color: rgba(255,255,255,0.85);
  letter-spacing: 0.03em;
  padding-bottom: 4px;
  transition: color 0.3s ease;
}

.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.35s cubic-bezier(0.65, 0, 0.35, 1);
}

.nav-link:hover { color: var(--gold); }
.nav-link:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.site-header.scrolled .nav-link { color: rgba(255,255,255,0.85); }
.site-header.scrolled .nav-link:hover { color: var(--gold); }

/* CTA header */
.header-cta {
  font-size: 0.8rem;
  padding: 0.65rem 1.25rem;
  margin-left: 1rem;
  flex-shrink: 0;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 38px;
  height: 38px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  margin-left: auto;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: transform var(--trans), opacity var(--trans);
}

.site-header.scrolled .hamburger span { background: var(--white); }

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

/* ── HERO ────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  padding-bottom: clamp(4rem, 8vw, 7rem);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  /* Gradient: transparente em cima, escuro em baixo — preserva a imagem */
  background: linear-gradient(
    to bottom,
    rgba(12,24,36,0.25) 0%,
    rgba(12,24,36,0.55) 55%,
    rgba(12,24,36,0.80) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 760px;
}

.hero-eyebrow {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.70);
  margin-bottom: 1.25rem;
  padding-left: 2px;
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.hero-eyebrow.in-view {
  opacity: 1;
  transform: translateY(0);
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4.4vw, 4rem);
  font-weight: 700;
  line-height: 1.12;
  color: var(--white);
  margin-bottom: 1.5rem;
  letter-spacing: -0.01em;
}

/* Reveal por linha — cada linha sobe e desliza para dentro do clip-path */
.hero-line {
  display: block;
  overflow: hidden;
}

.hero-line-inner {
  display: inline-block;
  transform: translateY(110%);
  opacity: 0;
  transition: transform 0.9s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.7s ease;
}

.hero-title.in-view .hero-line-inner {
  transform: translateY(0);
  opacity: 1;
}

.hero-title.in-view .hero-line:nth-child(1) .hero-line-inner { transition-delay: 0.15s; }
.hero-title.in-view .hero-line:nth-child(2) .hero-line-inner { transition-delay: 0.30s; }
.hero-title.in-view .hero-line:nth-child(3) .hero-line-inner { transition-delay: 0.45s; }

.hero-title em {
  font-style: normal;
  font-weight: 300;
  color: rgba(255,255,255,0.85);
}

.hero-sub {
  font-size: clamp(0.95rem, 1.5vw, 1.1rem);
  color: rgba(255,255,255,0.80);
  max-width: 560px;
  margin-bottom: 2.5rem;
  line-height: 1.75;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.7s ease 0.6s, transform 0.7s ease 0.6s;
}

.hero-sub.in-view {
  opacity: 1;
  transform: translateY(0);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.7s ease 0.78s, transform 0.7s ease 0.78s;
}

.hero-actions.in-view {
  opacity: 1;
  transform: translateY(0);
}

.hero-scroll-hint {
  position: absolute;
  bottom: 1.75rem;
  right: var(--pad-x);
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  color: rgba(255,255,255,0.45);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  animation: scrollBounce 2.4s ease-in-out infinite;
}

@keyframes scrollBounce {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(6px); }
}

/* ── SOBRE ───────────────────────────────────────────────── */
.sobre-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(3rem, 6vw, 7rem);
  align-items: start;
}

.sobre-text .section-title { margin-top: 0.25rem; }

.sobre-body {
  font-size: 1.05rem;
  color: var(--neutral-600);
  margin-bottom: 2rem;
  line-height: 1.8;
}

.sobre-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.diferencial-card {
  background: var(--ice);
  border: 1px solid var(--neutral-200);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  transition: box-shadow var(--trans), transform var(--trans);
}

.diferencial-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.diferencial-icon {
  color: var(--brand-accent);
  margin-bottom: 0.85rem;
  display: inline-flex;
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.diferencial-card:hover .diferencial-icon {
  transform: scale(1.15) rotate(-4deg);
}

.diferencial-card h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--brand-dark);
  margin-bottom: 0.4rem;
  line-height: 1.3;
}

.diferencial-card p {
  font-size: 0.85rem;
  color: var(--neutral-600);
  line-height: 1.65;
}

/* ── SERVIÇOS ────────────────────────────────────────────── */
.servicos-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.5rem;
}

.servico-card {
  flex: 1 1 280px;
  max-width: 360px;
  background: var(--white);
  border: 1px solid var(--neutral-200);
  border-radius: var(--radius-lg);
  padding: 2rem 1.75rem;
  transition: box-shadow 0.35s ease, transform 0.35s cubic-bezier(0.22, 1, 0.36, 1), border-color 0.35s ease;
  position: relative;
  overflow: hidden;
}

.servico-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--brand-dark), var(--brand-accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.servico-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-3px);
  border-color: transparent;
}

.servico-card:hover::after { transform: scaleX(1); }

.servico-icon {
  color: var(--brand-accent);
  margin-bottom: 1.25rem;
  display: inline-flex;
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.servico-card:hover .servico-icon {
  transform: scale(1.12) translateY(-2px);
}

.servico-card h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--brand-dark);
  margin-bottom: 0.6rem;
  line-height: 1.3;
}

.servico-card p {
  font-size: 0.875rem;
  color: var(--neutral-600);
  line-height: 1.7;
}

/* ── GALERIA ─────────────────────────────────────────────── */
.galeria { overflow: hidden; }

.galeria-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: auto auto;
  gap: 6px;
  padding: 0 6px;
}

/* 1ª item maior */
.galeria-item:nth-child(1) { grid-row: span 2; }

.galeria-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  cursor: pointer;
  aspect-ratio: 4/3;
}

.galeria-item:nth-child(1) { aspect-ratio: auto; }

.galeria-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

.galeria-label {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  background: linear-gradient(to top, rgba(12,24,36,0.88) 0%, transparent 100%);
  color: var(--white);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  padding: 2rem 1.25rem 1rem;
  transform: translateY(8px);
  opacity: 0;
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.galeria-item:hover img   { transform: scale(1.05); }
.galeria-item:hover .galeria-label,
.galeria-item:focus .galeria-label {
  opacity: 1;
  transform: translateY(0);
}

/* ── NÚMEROS ─────────────────────────────────────────────── */
.numeros-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(255,255,255,0.12);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.numero-item {
  padding: 3rem 2rem;
  text-align: center;
  background: var(--brand-dark);
  position: relative;
}

.numero-item + .numero-item::before {
  content: '';
  position: absolute;
  left: 0; top: 20%; bottom: 20%;
  width: 1px;
  background: rgba(255,255,255,0.12);
}

.numero-valor {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.25rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1;
  margin-bottom: 0.75rem;
}

.numero-label {
  font-size: 0.78rem;
  font-weight: 500;
  color: rgba(255,255,255,0.55);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  line-height: 1.5;
}

/* ── PROJETOS ────────────────────────────────────────────── */
.projetos-list {
  display: flex;
  flex-direction: column;
  gap: clamp(3rem, 5vw, 4.5rem);
}

.projeto-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2.5rem, 5vw, 5rem);
  align-items: center;
}

.projeto-item--reverse { direction: rtl; }
.projeto-item--reverse > * { direction: ltr; }

.projeto-img-wrap {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 4/3;
}

.projeto-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s ease;
}

.projeto-item:hover .projeto-img-wrap img { transform: scale(1.04); }

.projeto-tag {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brand-accent);
  border: 1px solid var(--brand-accent);
  border-radius: 100px;
  padding: 0.25rem 0.75rem;
  margin-bottom: 1rem;
}

.projeto-info h3 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 600;
  color: var(--brand-dark);
  line-height: 1.2;
  margin-bottom: 1rem;
}

.projeto-info p {
  font-size: 0.95rem;
  color: var(--neutral-600);
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

.projeto-beneficio {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--brand-dark);
  padding: 0.85rem 1rem;
  background: var(--ice);
  border-left: 3px solid var(--brand-accent);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.projeto-beneficio svg { color: var(--brand-accent); flex-shrink: 0; margin-top: 2px; }

/* ── COMO TRABALHAMOS ────────────────────────────────────── */
.passos-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
}

/* connecting line between steps */
.passos-grid::before {
  content: '';
  position: absolute;
  top: 2.2rem;
  left: calc(12.5% + 1rem);
  right: calc(12.5% + 1rem);
  height: 1px;
  background: var(--neutral-200);
  z-index: 0;
}

.passo {
  padding: 0 1.5rem;
  padding-top: 5.5rem;
  position: relative;
  text-align: center;
}

.passo-num {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 4rem;
  height: 4rem;
  border-radius: 50%;
  background: var(--white);
  border: 2px solid var(--brand-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--brand-dark);
  z-index: 1;
  transition: background var(--trans), color var(--trans);
}

.passo:hover .passo-num {
  background: var(--brand-dark);
  color: var(--white);
}

.passo-titulo {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--brand-dark);
  margin-bottom: 0.6rem;
}

.passo-texto {
  font-size: 0.875rem;
  color: var(--neutral-600);
  line-height: 1.75;
}

/* ── CTA FINAL ───────────────────────────────────────────── */
.cta-final {
  position: relative;
  overflow: hidden;
}

.cta-bg {
  position: absolute;
  inset: 0;
}

.cta-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cta-overlay {
  position: absolute;
  inset: 0;
  background: rgba(14,26,40,0.80);
}

.cta-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 680px;
  margin: 0 auto;
}

.cta-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.4rem);
  font-weight: 600;
  line-height: 1.15;
  color: var(--white);
  margin-bottom: 1.25rem;
}

.cta-sub {
  font-size: 1rem;
  color: rgba(255,255,255,0.75);
  margin-bottom: 2.5rem;
  line-height: 1.75;
}

/* ── FOOTER ──────────────────────────────────────────────── */
.site-footer {
  background: var(--neutral-900);
  color: rgba(255,255,255,0.65);
  padding-top: 4rem;
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-brand .logo { margin-bottom: 0.85rem; }
.footer-brand .logo-lc  { color: var(--white); }
.footer-brand .logo-name { color: rgba(255,255,255,0.5); }

.footer-local {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brand-accent);
  margin-bottom: 0.5rem;
}

.footer-desc {
  font-size: 0.875rem;
  line-height: 1.65;
}

.footer-col h4 {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 1.25rem;
}

.footer-col ul { display: flex; flex-direction: column; gap: 0.6rem; }

.footer-col a {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.55);
  display: inline-block;
  transition: color 0.3s ease, transform 0.3s ease;
}
.footer-col a:hover {
  color: var(--gold);
  transform: translateX(3px);
}

.footer-bottom {
  padding: 1.25rem 0;
}

.footer-bottom p {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.3);
  text-align: center;
}

/* ── WHATSAPP FLUTUANTE ──────────────────────────────────── */
.whatsapp-float {
  position: fixed;
  bottom: 1.75rem;
  right: 1.75rem;
  z-index: 900;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: #25D366;
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 24px rgba(37,211,102,0.40);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.3s ease;
  animation: whatsappPulse 3s ease-in-out infinite;
}

@keyframes whatsappPulse {
  0%, 100% { box-shadow: 0 6px 24px rgba(37,211,102,0.40); }
  50%      { box-shadow: 0 6px 24px rgba(37,211,102,0.40), 0 0 0 8px rgba(37,211,102,0.12); }
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 10px 32px rgba(37,211,102,0.55);
  animation-play-state: paused;
}

.whatsapp-float:focus-visible {
  outline: 3px solid #25D366;
  outline-offset: 4px;
}

/* Tooltip */
.whatsapp-tooltip {
  position: absolute;
  right: calc(100% + 12px);
  background: var(--neutral-900);
  color: var(--white);
  font-size: 0.78rem;
  font-weight: 500;
  white-space: nowrap;
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius);
  pointer-events: none;
  opacity: 0;
  transform: translateX(6px);
  transition: opacity 0.25s, transform 0.25s;
}

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

/* ── RESPONSIVO ──────────────────────────────────────────── */

/* Tablet */
@media (max-width: 900px) {
  .sobre-grid { grid-template-columns: 1fr; gap: 3rem; }

  .numeros-grid { grid-template-columns: repeat(2, 1fr); }
  .numero-item + .numero-item::before { display: none; }
  .numero-item:nth-child(3),
  .numero-item:nth-child(4) {
    border-top: 1px solid rgba(255,255,255,0.12);
  }

  .passos-grid { grid-template-columns: repeat(2, 1fr); gap: 3rem 2rem; }
  .passos-grid::before { display: none; }
  .passo { padding-top: 5.5rem; }

  .projeto-item,
  .projeto-item--reverse { grid-template-columns: 1fr; direction: ltr; }
  .projeto-item--reverse > * { direction: ltr; }

  .galeria-grid { grid-template-columns: repeat(2, 1fr); }
  .galeria-item:nth-child(1) { grid-row: span 1; aspect-ratio: 4/3; }

  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: span 2; }
}

/* Mobile */
@media (max-width: 640px) {
  .hamburger { display: flex; }

  .main-nav {
    position: fixed;
    top: 0; right: 0; bottom: 0;
    width: 280px;
    background: var(--white);
    box-shadow: -8px 0 40px rgba(0,0,0,0.15);
    padding: 5rem 2rem 2rem;
    transform: translateX(100%);
    transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
    z-index: 999;
    margin-left: 0;
  }

  .main-nav.open { transform: translateX(0); }

  .nav-list { flex-direction: column; align-items: flex-start; gap: 0.25rem; }

  .nav-link {
    font-size: 1.1rem;
    color: var(--neutral-900);
    display: block;
    padding: 0.6rem 0;
    width: 100%;
  }
  .nav-link:hover { color: var(--gold); }

  .header-cta { display: none; }

  .sobre-cards { grid-template-columns: 1fr; }

  .numeros-grid { grid-template-columns: 1fr 1fr; }

  .passos-grid { grid-template-columns: 1fr; gap: 3rem; }

  .galeria-grid { grid-template-columns: 1fr; }
  .galeria-item { aspect-ratio: 16/9; }

  .footer-inner { grid-template-columns: 1fr; gap: 2rem; }
  .footer-brand { grid-column: 1; }

  .hero-actions { flex-direction: column; }

  .hero-title { font-size: clamp(1.9rem, 7vw, 3rem); }
}

/* Very small screens */
@media (max-width: 380px) {
  :root { --pad-x: 1rem; }
  .hero-title { font-size: 1.75rem; }
  .btn { padding: 0.75rem 1.25rem; font-size: 0.82rem; }
}

/* ================================================================
   NOVAS SEÇÕES — ESTILO ORTHOGONAL
   ================================================================ */

/* ── PILL BADGE (botão-pílula azul escuro) ────────────────────── */
.pill-badge {
  display: inline-flex;
  align-items: center;
  background: var(--brand-dark);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 0.45rem 1.1rem;
  border-radius: 100px;
  margin-bottom: 1.25rem;
}

.pill-badge--sm {
  font-size: 0.68rem;
  padding: 0.35rem 0.85rem;
  margin-bottom: 0.65rem;
}

/* ── GALERIA 3D — CARROSSEL COM PERSPECTIVA ───────────────────── */
.galeria-3d { overflow: hidden; }

.section-title-split {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 600;
  line-height: 1.2;
  color: var(--brand-dark);
  margin-bottom: 1rem;
}
.section-title-split em {
  font-style: normal;
  font-weight: 300;
  color: var(--neutral-600);
}

/* Stage do carrossel */
.carousel3d-wrapper {
  position: relative;
  width: 100%;
  overflow: hidden;
  padding: 1.25rem 0 2rem;
  /* perspective no pai para efeito 3D */
  perspective: 1400px;
}

.carousel3d-track {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0; /* controlado por JS via transform */
  height: 480px;
  position: relative;
}

/* Cada slide */
.c3d-slide {
  position: absolute;
  width: 320px;
  height: 420px;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(28,43,58,0.22);
  transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1),
              opacity 0.6s ease,
              box-shadow 0.6s ease;
  cursor: pointer;
  flex-shrink: 0;
}

.c3d-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s ease;
  pointer-events: none;
}

.c3d-slide:hover img { transform: scale(1.04); }

.c3d-caption {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 2rem 1.25rem 1.25rem;
  background: linear-gradient(to top, rgba(12,24,36,0.85) 0%, transparent 100%);
  color: var(--white);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.35s, transform 0.35s;
}

.c3d-slide.is-active .c3d-caption,
.c3d-slide:hover .c3d-caption {
  opacity: 1;
  transform: translateY(0);
}

/* Botões prev/next */
.c3d-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--white);
  border: 1px solid var(--neutral-200);
  color: var(--brand-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--shadow);
  transition: background 0.3s ease, transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.3s ease;
}
.c3d-btn:hover {
  background: var(--brand-dark);
  color: var(--white);
  transform: translateY(-50%) scale(1.12);
  box-shadow: var(--shadow-lg);
}
.c3d-prev { left: clamp(0.75rem, 3vw, 3rem); }
.c3d-next { right: clamp(0.75rem, 3vw, 3rem); }

/* Dots */
.c3d-dots {
  position: absolute;
  bottom: 0.75rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 7px;
  align-items: center;
}

.c3d-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--neutral-200);
  border: none;
  cursor: pointer;
  padding: 0;
  transition: background var(--trans), transform var(--trans), width var(--trans);
}
.c3d-dot.active {
  background: var(--brand-dark);
  width: 22px;
  border-radius: 4px;
}

/* Stats abaixo do carrossel */
.stats-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin-top: 2rem;
  padding: 2rem 0;
  border-top: 1px solid var(--neutral-200);
  border-bottom: 1px solid var(--neutral-200);
  flex-wrap: wrap;
}

.stat-item {
  text-align: center;
  padding: 1rem 3rem;
  flex: 1;
  min-width: 140px;
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.stat-item:hover {
  transform: translateY(-3px);
}

.stat-val {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  font-weight: 700;
  color: var(--brand-dark);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--neutral-300);
  line-height: 1.6;
}

.stat-divider {
  width: 1px;
  height: 56px;
  background: var(--neutral-200);
  flex-shrink: 0;
}

/* ── COMO TRABALHAMOS 2 — layout assimétrico ─────────────────── */
.como2 { background: var(--white); }

/* Linha de topo */
.como2-top {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 4vw, 4rem);
  align-items: center;
  margin-bottom: clamp(2.5rem, 4vw, 3.5rem);
  padding: 2.5rem 2.5rem;
  background: var(--ice);
  border-radius: 20px;
}

.como2-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 600;
  color: var(--brand-dark);
  line-height: 1.2;
}

.como2-top-img {
  border-radius: 14px;
  overflow: hidden;
  aspect-ratio: 4/3;
  box-shadow: var(--shadow-lg);
}

.como2-top-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s ease;
}
.como2-top-img:hover img { transform: scale(1.04); }

/* Linha de baixo */
.como2-bottom {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: clamp(2rem, 4vw, 4rem);
  align-items: start;
}

.como2-main-img {
  border-radius: 18px;
  overflow: hidden;
  aspect-ratio: 3/4;
  box-shadow: var(--shadow-lg);
  position: sticky;
  top: 120px; /* fica parado enquanto os passos sobem */
}

.como2-main-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s ease;
}
.como2-main-img:hover img { transform: scale(1.04); }

/* Passos */
.como2-passos {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.como2-passo {
  padding: 2rem 0;
  border-bottom: 1px solid var(--neutral-200);
  transition: background var(--trans);
}
.como2-passo:last-child { border-bottom: none; }

.como2-passo h3 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--brand-dark);
  margin-bottom: 0.65rem;
  line-height: 1.2;
}

.como2-passo p {
  font-size: 0.9rem;
  color: var(--neutral-600);
  line-height: 1.8;
  margin-bottom: 1rem;
}

/* Tags de benefício (pill secundário, contorno) */
.como2-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.como2-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brand-dark);
  border: 1.5px solid var(--brand-dark);
  border-radius: 100px;
  padding: 0.3rem 0.85rem;
  transition: background var(--trans), color var(--trans);
}
.como2-tag:hover {
  background: var(--brand-dark);
  color: var(--white);
}

/* ── RESPONSIVO — novas seções ───────────────────────────────── */
@media (max-width: 900px) {
  .como2-top   { grid-template-columns: 1fr; }
  .como2-bottom { grid-template-columns: 1fr; }
  .como2-main-img { position: static; aspect-ratio: 16/9; }

  .stat-item  { padding: 1rem 1.5rem; }
  .stat-divider { height: 40px; }

  .c3d-slide { width: 260px; height: 340px; }
  .carousel3d-track { height: 380px; }
}

@media (max-width: 640px) {
  .c3d-slide { width: 220px; height: 290px; }
  .carousel3d-track { height: 320px; }

  .stats-row { gap: 0; }
  .stat-item { padding: 0.85rem 1rem; min-width: 50%; }
  .stat-divider:nth-child(4) { display: none; }

  .como2-top { padding: 1.5rem; }
}

/* ================================================================
   IDENTIDADE VISUAL LC ALUMIGLASS — PALETA DOURADA
   ================================================================ */

/* ── Logo real (imagem PNG, fundo transparente) ──────────────── */
.logo-img {
  height: 44px;
  width: auto;
  display: block;
  object-fit: contain;
}

.site-header.scrolled .logo-img {
  /* logo já é branca/dourada nativamente — sem filtro necessário */
}

/* ── Dourado nos elementos de destaque ────────────────────────── */
.section-eyebrow {
  color: var(--gold);
}

.diferencial-icon { color: var(--gold); }
.servico-icon     { color: var(--gold); }

.servico-card::after {
  background: linear-gradient(90deg, #000000, var(--gold));
}

.projeto-tag {
  color: var(--gold);
  border-color: var(--gold);
}

.projeto-beneficio {
  border-left-color: var(--gold);
}
.projeto-beneficio svg { color: var(--gold); }

.passo-num {
  border-color: var(--gold);
  color: var(--gold);
}
.passo:hover .passo-num {
  background: var(--gold);
  color: #000;
}

.brand-accent-text { color: var(--gold); }

/* ── Botão primário com identidade de marca ───────────────────── */
.btn-primary {
  background: #000000;
  color: #fff;
  border-color: #000000;
}
.btn-primary:hover {
  background: var(--gold);
  border-color: var(--gold);
  color: #000;
  box-shadow: 0 10px 30px rgba(227,183,93,0.45);
}

/* WhatsApp float — mantém verde */
/* botão outline no hero fica dourado */
.btn-outline {
  border-color: rgba(227,183,93,0.6);
  color: var(--white);
}
.btn-outline:hover {
  border-color: var(--gold);
  background: rgba(227,183,93,0.15);
  color: var(--gold);
  box-shadow: 0 10px 28px rgba(227,183,93,0.25);
}

.btn-secondary {
  border-color: #000;
  color: #000;
}
.btn-secondary:hover {
  background: #000;
  color: #fff;
  box-shadow: 0 10px 28px rgba(0,0,0,0.25);
}

/* ── Seção CTA — background dourado texturizado ──────────────── */
.cta-final .cta-bg-gold {
  position: absolute;
  inset: 0;
  background-image: url('assets/background_dourado.jpg');
  background-size: cover;
  background-position: center;
}
.cta-final .cta-overlay {
  background: rgba(0, 0, 0, 0.65);
}

/* ── Dots do carrossel em dourado ─────────────────────────────── */
.c3d-dot.active {
  background: var(--gold);
}

/* ── Pill badges pretos com detalhe dourado ───────────────────── */
.pill-badge {
  background: #000;
  color: #fff;
  border: 1px solid var(--gold);
}
.pill-badge--sm {
  background: #000;
  border-color: var(--gold);
  color: var(--gold);
}

/* ── Tags outline estilo Orthogonal — preto com hover dourado ─── */
.como2-tag {
  color: #000;
  border-color: #000;
}
.como2-tag:hover {
  background: var(--gold);
  color: #000;
  border-color: var(--gold);
}

/* ── Números / stats em dourado ───────────────────────────────── */
.stat-val { color: #000; }

/* ── Linha decorativa dourada abaixo do eyebrow ──────────────── */
.section-eyebrow::after {
  content: '';
  display: block;
  width: 32px;
  height: 2px;
  background: var(--gold);
  margin: 6px auto 0;
}
.section-header .section-eyebrow::after { margin: 6px auto 0; }

/* ── Sobre: borda dourada nos cards ──────────────────────────── */
.diferencial-card {
  border-top: 2px solid transparent;
  transition: border-color var(--trans), box-shadow var(--trans), transform var(--trans);
}
.diferencial-card:hover {
  border-top-color: var(--gold);
}

/* ── Hero: palavra de destaque em dourado ─────────────────────── */
.hero-title em {
  color: var(--gold);
  font-style: normal;
  font-weight: 300;
}

/* ── Rodapé: destaques dourados ──────────────────────────────── */
.footer-local { color: var(--gold); }

.logo-img-footer {
  height: 38px;
  width: auto;
  margin-bottom: 0.85rem;
  display: block;
}

/* ── Número de autoridade / como2 step hover accent ─────────── */
.como2-passo:hover .pill-badge--sm {
  background: var(--gold);
  color: #000;
  border-color: var(--gold);
}

/* ── Scrollbar sutil ─────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: #f0f0f0; }
::-webkit-scrollbar-thumb { background: var(--gold); border-radius: 3px; }