/* ─── DESIGN TOKENS ──────────────────────────────────────── */
:root {
  /* paleta validada com sergio 2026-05-11 */
  --bg:        #3B5C8F;
  --bg-dark:   #1F3261;
  --bg-darker: #131946;
  --white:     #FFFFFF;
  --warm:      #C5BEA8;
  --muted:     rgba(255, 255, 255, 0.62);
  --border:    rgba(255, 255, 255, 0.14);

  /* tipografia */
  --f:  "Barlow", "Helvetica Neue", Arial, sans-serif;
  --fc: "Barlow Condensed", "Arial Narrow", sans-serif;

  /* spacing / layout */
  --pad-x: 64px;
  --pad-x-mobile: 24px;
  --maxw: 1400px;
}

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

html {
  scroll-behavior: smooth;
  background: var(--bg);
}

body {
  font-family: var(--f);
  background: var(--bg);
  color: var(--white);
  font-weight: 400;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

button {
  font-family: inherit;
  background: none;
  border: none;
  color: inherit;
  cursor: pointer;
}

/* ─── SCROLLBAR ──────────────────────────────────────────── */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-dark); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--muted); }

/* ─── NAV STICKY ─────────────────────────────────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 22px var(--pad-x);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.nav-logo {
  display: flex;
  align-items: center;
  height: 48px;
  flex-shrink: 0;
}

.nav-logo img {
  height: 48px;
  max-height: 48px;
  width: auto;
  display: block;
}

.nav-links {
  display: flex;
  gap: 40px;
  font-size: 15px;
  letter-spacing: 0.02em;
}

.nav-links a {
  color: var(--muted);
  transition: color 0.2s;
  text-transform: lowercase;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--white);
}

.nav-wpp {
  background: var(--bg-dark);
  color: var(--white);
  padding: 10px 22px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-transform: lowercase;
  transition: background 0.2s, transform 0.2s;
}

.nav-wpp:hover {
  background: var(--bg-darker);
  transform: translateY(-1px);
}

/* ─── HAMBURGER ─────────────────────────────────────────── */
.nav-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}

.nav-burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--white);
  transition: transform 0.3s, opacity 0.3s;
}

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

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

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

/* ─── NAV OVERLAY (mobile) ──────────────────────────────── */
.nav-overlay {
  position: fixed;
  inset: 0;
  background: var(--bg);
  z-index: 90;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 32px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
  font-family: var(--fc);
  font-size: 40px;
  text-transform: lowercase;
}

.nav-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.nav-overlay a {
  color: var(--white);
  letter-spacing: -0.01em;
}

/* ─── RESPONSIVO MOBILE (nav) ───────────────────────────── */
@media (max-width: 767px) {
  :root { --pad-x: var(--pad-x-mobile); }
  .nav { padding: 12px var(--pad-x-mobile); gap: 8px; }
  .nav-logo { height: 36px; }
  .nav-logo img { height: 36px; max-height: 36px; }
  .nav-links { display: flex; gap: 16px; font-size: 13px; }
  .nav-burger { display: none; }
  .nav-wpp { display: none; }   /* fab verdinho cobre essa função no mobile */
  .nav-overlay { display: none; }
}

/* ─── HERO ──────────────────────────────────────────────── */
.hero {
  position: relative;
  padding: 80px var(--pad-x) 64px;
  display: grid;
  grid-template-columns: 1fr 0.72fr;
  gap: 64px;
  align-items: center;
  min-height: calc(100vh - 72px);
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  left: -8%;
  top: 25%;
  width: 720px;
  height: 720px;
  background: radial-gradient(circle, var(--warm) 0%, rgba(197,190,168,0) 65%);
  opacity: 0.35;
  pointer-events: none;
  z-index: 0;
}

.hero > * { position: relative; z-index: 1; }

.hero-tag {
  display: block;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.28em;
  text-transform: lowercase;
  color: var(--warm);
  margin-bottom: 36px;
}

.hero-headline {
  font-family: var(--fc);
  font-size: clamp(72px, 10vw, 188px);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 0.9;
  text-transform: lowercase;
  margin-bottom: 36px;
  color: var(--white);
}

.hero-desc {
  font-size: clamp(18px, 1.6vw, 24px);
  font-weight: 300;
  line-height: 1.6;
  color: var(--white);
  opacity: 0.92;
  max-width: 480px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
  text-transform: lowercase;
}

.hero-mascote {
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-mascote img {
  width: 100%;
  max-width: 480px;
  opacity: 0.96;
}

@media (max-width: 767px) {
  .hero {
    grid-template-columns: 1fr;
    padding: 48px var(--pad-x-mobile);
    gap: 32px;
    min-height: auto;
  }
  .hero-mascote img { max-width: 240px; }
  .hero-headline { font-size: clamp(56px, 14vw, 88px); }
}

/* ─── SECTION TAG (reutilizável) ────────────────────────── */
.section-tag {
  display: block;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.28em;
  text-transform: lowercase;
  color: var(--warm);
  margin-bottom: 48px;
}

/* ─── STATS ─────────────────────────────────────────────── */
.stats {
  background: var(--bg-dark);
  padding: 96px var(--pad-x);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.stats-inner {
  max-width: var(--maxw);
  margin: 0 auto;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.stat {
  border-left: 1px solid var(--border);
  padding-left: 32px;
}

.stat:first-child { border-left: none; padding-left: 0; }

.stat-num {
  font-family: var(--fc);
  font-size: clamp(80px, 9vw, 168px);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--white);
  display: flex;
  align-items: baseline;
}

.stat-num sup {
  font-size: 0.4em;
  font-weight: 400;
  color: var(--warm);
  margin-left: 4px;
  vertical-align: super;
}

.stat-label {
  font-size: 15px;
  letter-spacing: 0.18em;
  text-transform: lowercase;
  color: var(--muted);
  margin-top: 14px;
}

@media (max-width: 767px) {
  .stats { padding: 64px var(--pad-x-mobile); }
  .stats-grid { grid-template-columns: 1fr; gap: 48px; }
  .stat { border-left: none; padding-left: 0; border-top: 1px solid var(--border); padding-top: 32px; }
  .stat:first-child { border-top: none; padding-top: 0; }
}

/* ─── MANIFESTO ─────────────────────────────────────────── */
.manifesto {
  position: relative;
  padding: 120px var(--pad-x);
  overflow: hidden;
}

.manifesto::before {
  content: "";
  position: absolute;
  right: -10%;
  top: 40%;
  width: 720px;
  height: 720px;
  background: radial-gradient(circle, var(--warm) 0%, rgba(197,190,168,0) 65%);
  opacity: 0.25;
  pointer-events: none;
  z-index: 0;
}

.manifesto-inner {
  position: relative;
  max-width: var(--maxw);
  margin: 0 auto;
  z-index: 1;
}

.manifesto-layout {
  display: grid;
  grid-template-columns: 1fr 0.5fr;
  gap: 80px;
  align-items: center;
}

.manifesto-text p {
  font-size: clamp(22px, 2vw, 28px);
  font-weight: 300;
  line-height: 1.55;
  color: var(--white);
  text-transform: lowercase;
  margin-bottom: 32px;
}

.manifesto-text p:last-child { margin-bottom: 0; }

.manifesto-text em {
  font-style: normal;
  font-family: var(--fc);
  font-weight: 600;
  color: var(--warm);
  letter-spacing: -0.01em;
}

.manifesto-mascote {
  display: flex;
  align-items: center;
  justify-content: center;
}

.manifesto-mascote img {
  width: 100%;
  max-width: 380px;
  opacity: 0.88;
}

@media (max-width: 767px) {
  .manifesto { padding: 64px var(--pad-x-mobile); }
  .manifesto-layout { grid-template-columns: 1fr; gap: 40px; }
  .manifesto-mascote img { max-width: 200px; }
  .manifesto-text p { font-size: 19px; }
}

/* ─── OBRAS ─────────────────────────────────────────────── */
.obras {
  background: var(--bg-dark);
  padding: 120px var(--pad-x);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.obras-inner {
  max-width: var(--maxw);
  margin: 0 auto;
}

.obras-headline {
  font-family: var(--fc);
  font-size: clamp(48px, 5.5vw, 88px);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 0.98;
  text-transform: lowercase;
  margin-bottom: 64px;
  color: var(--white);
}

.obras-filtro {
  display: flex;
  gap: 8px;
  margin-bottom: 48px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0;
}

.obras-filtro-btn {
  padding: 14px 24px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: lowercase;
  color: var(--muted);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color 0.2s, border-color 0.2s;
}

.obras-filtro-btn:hover { color: var(--white); }
.obras-filtro-btn.active { color: var(--white); border-bottom-color: var(--warm); }

.obras-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.obra-card {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--bg-darker);
  cursor: pointer;
  border-radius: 4px;
}

.obra-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.obra-card:hover img { transform: scale(1.04); }

.obra-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(19,25,70,0.85) 0%, rgba(19,25,70,0) 50%);
  display: flex;
  align-items: flex-end;
  padding: 24px;
  opacity: 0;
  transition: opacity 0.3s;
}

.obra-card:hover .obra-card-overlay { opacity: 1; }

.obra-card-titulo {
  font-size: 22px;
  font-weight: 500;
  text-transform: lowercase;
  color: var(--white);
  letter-spacing: -0.01em;
}

.obra-card-ano {
  display: block;
  font-size: 13px;
  letter-spacing: 0.18em;
  text-transform: lowercase;
  color: var(--warm);
  margin-top: 4px;
}

@media (max-width: 1023px) {
  .obras-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 767px) {
  .obras { padding: 64px var(--pad-x-mobile); }
  .obras-grid { grid-template-columns: 1fr; gap: 16px; }
  .obras-filtro { overflow-x: auto; flex-wrap: nowrap; }
  .obras-filtro-btn { padding: 12px 16px; flex-shrink: 0; }
}

/* ─── BOTÃO CARREGAR MAIS ───────────────────────────────── */
.obras-carregar {
  display: block;
  margin: 48px auto 0;
  padding: 14px 32px;
  background: transparent;
  color: var(--white);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-family: var(--f);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-transform: lowercase;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, color 0.2s;
}

.obras-carregar:hover {
  background: var(--bg-darker);
  border-color: var(--warm);
  color: var(--warm);
}

.obras-carregar[hidden] { display: none; }

/* ─── LIGHTBOX ──────────────────────────────────────────── */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(19, 25, 70, 0.97);
  z-index: 200;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox.open {
  opacity: 1;
  pointer-events: auto;
}

.lightbox-header {
  position: absolute;
  top: 24px;
  left: 24px;
  right: 80px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  pointer-events: none;
}

.lightbox-titulo {
  font-size: 18px;
  font-weight: 500;
  text-transform: lowercase;
  color: var(--white);
  letter-spacing: -0.01em;
}

.lightbox-contador {
  font-family: var(--fc);
  font-size: 15px;
  letter-spacing: 0.15em;
  color: var(--warm);
}

.lightbox-img-wrap {
  width: 90vw;
  height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.lightbox-close,
.lightbox-prev,
.lightbox-next {
  position: absolute;
  color: var(--white);
  font-size: 28px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}

.lightbox-close { top: 24px; right: 24px; }
.lightbox-prev  { left: 24px; top: 50%; transform: translateY(-50%); }
.lightbox-next  { right: 24px; top: 50%; transform: translateY(-50%); }

.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover {
  background: rgba(255, 255, 255, 0.18);
}

@media (max-width: 767px) {
  .lightbox-close, .lightbox-prev, .lightbox-next { width: 44px; height: 44px; font-size: 22px; }
  .lightbox-header { left: 16px; right: 60px; top: 16px; }
  .lightbox-titulo { font-size: 14px; }
}

/* ─── SÓCIOS ────────────────────────────────────────────── */
.socios {
  padding: 96px var(--pad-x);
}

.socios-inner {
  max-width: var(--maxw);
  margin: 0 auto;
}

.socios-headline {
  font-family: var(--fc);
  font-size: clamp(36px, 4vw, 56px);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1;
  text-transform: lowercase;
  margin-bottom: 40px;
  color: var(--white);
}

.socios-lista {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
}

.socios-lista li {
  font-size: 22px;
  font-weight: 400;
  color: var(--white);
  text-transform: lowercase;
  letter-spacing: -0.01em;
  padding-right: 32px;
  border-right: 1px solid var(--border);
}

.socios-lista li:last-child { border-right: none; padding-right: 0; }

@media (max-width: 767px) {
  .socios { padding: 48px var(--pad-x-mobile); }
  .socios-lista { flex-direction: column; gap: 16px; }
  .socios-lista li { padding-right: 0; border-right: none; padding-bottom: 16px; border-bottom: 1px solid var(--border); font-size: 19px; }
  .socios-lista li:last-child { border-bottom: none; padding-bottom: 0; }
}

/* ─── MÉTODO ────────────────────────────────────────────── */
.metodo {
  position: relative;
  background: var(--bg-dark);
  padding: 120px var(--pad-x);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}

.metodo::before {
  content: "";
  position: absolute;
  left: -10%;
  top: 50%;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, var(--warm) 0%, rgba(197,190,168,0) 60%);
  opacity: 0.18;
  pointer-events: none;
}

.metodo-inner {
  position: relative;
  max-width: var(--maxw);
  margin: 0 auto;
}

.metodo-intro {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 64px;
  align-items: center;
  margin-bottom: 64px;
}

.metodo-headline {
  font-family: var(--fc);
  font-size: clamp(48px, 5.5vw, 88px);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 0.98;
  text-transform: lowercase;
  color: var(--white);
}

.metodo-mascote img {
  width: 260px;
  opacity: 0.85;
}

.metodo-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}

.metodo-card {
  background: var(--bg-dark);
  padding: 48px 36px;
  transition: background 0.25s;
}

.metodo-card:hover { background: var(--bg-darker); }

.metodo-num {
  font-family: var(--fc);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--warm);
  margin-bottom: 28px;
}

.metodo-titulo {
  font-size: 22px;
  font-weight: 500;
  text-transform: lowercase;
  color: var(--white);
  margin-bottom: 16px;
  line-height: 1.25;
  letter-spacing: -0.01em;
}

.metodo-texto {
  font-size: 16px;
  font-weight: 300;
  line-height: 1.65;
  color: var(--muted);
  text-transform: lowercase;
}

@media (max-width: 1023px) {
  .metodo-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 767px) {
  .metodo { padding: 64px var(--pad-x-mobile); }
  .metodo-intro { grid-template-columns: 1fr; gap: 32px; }
  .metodo-mascote img { width: 160px; }
  .metodo-grid { grid-template-columns: 1fr; }
}

/* ─── CONTATO ───────────────────────────────────────────── */
.contato {
  background: var(--bg-dark);
  padding: 120px var(--pad-x) 0;
  border-top: 1px solid var(--border);
}

.contato-inner {
  max-width: var(--maxw);
  margin: 0 auto 64px;
}

.contato-headline {
  font-family: var(--fc);
  font-size: clamp(72px, 9vw, 152px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 0.9;
  text-transform: lowercase;
  color: var(--white);
  margin-bottom: 24px;
}

.contato-sub {
  font-size: clamp(18px, 1.5vw, 22px);
  font-weight: 300;
  line-height: 1.6;
  color: var(--muted);
  max-width: 540px;
  margin-bottom: 48px;
  text-transform: lowercase;
}

.contato-wpp {
  display: inline-block;
  background: var(--warm);
  color: var(--bg-darker);
  padding: 18px 36px;
  border-radius: 999px;
  font-size: 17px;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-transform: lowercase;
  transition: transform 0.2s, background 0.2s;
  margin-bottom: 80px;
}

.contato-wpp:hover {
  transform: translateY(-2px);
  background: #D4CDB8;
}

.contato-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  padding-top: 48px;
  border-top: 1px solid var(--border);
}

.contato-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.contato-label {
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: lowercase;
  color: var(--muted);
}

.contato-valor {
  font-size: 17px;
  font-weight: 400;
  color: var(--white);
  text-transform: lowercase;
}

a.contato-valor:hover { color: var(--warm); }

/* ─── RODAPÉ ────────────────────────────────────────────── */
.rodape {
  border-top: 1px solid var(--border);
  padding: 32px var(--pad-x);
}

.rodape-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.rodape-logo-img {
  height: 64px;
  width: auto;
  display: block;
  opacity: 0.95;
}

.rodape-copy {
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: lowercase;
  color: var(--muted);
}

@media (max-width: 767px) {
  .contato { padding: 64px var(--pad-x-mobile) 0; }
  .contato-grid { grid-template-columns: 1fr; gap: 24px; }
  .contato-wpp { width: 100%; text-align: center; }
  .rodape { padding: 24px var(--pad-x-mobile); }
}

/* ─── FAB WHATSAPP ──────────────────────────────────────── */
.fab-wpp {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: #25D366;
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 150;
  box-shadow: 0 6px 24px rgba(0,0,0,0.25);
  transition: transform 0.2s, box-shadow 0.2s;
}

.fab-wpp:hover {
  transform: translateY(-3px) scale(1.06);
  box-shadow: 0 10px 30px rgba(0,0,0,0.35);
}

@media (max-width: 767px) {
  .fab-wpp { right: 16px; bottom: 16px; width: 52px; height: 52px; }
  .fab-wpp svg { width: 24px; height: 24px; }
}