/* =========================================================
   TELESAN ENGENHARIA — styles.css
   Paleta corporativa azul · Inter · responsivo mobile-first
   ========================================================= */

:root {
  /* === AZUIS (extraídos da nova logo Telesan: #053362, azul-marinho profundo) === */
  --azul-900: #02213F;   /* texto/titulos super escuros */
  --azul-800: #032A50;
  --azul-700: #053362;   /* azul-marca principal */
  --azul-600: #0B447E;
  --azul-500: #1F5D9C;
  --azul-100: #D9E2EE;
  --azul-50:  #EEF2F8;

  /* === CREME/PÊSSEGO (extraído da nova logo: #FFD49B) === */
  --amarelo: #FFD49B;          /* creme principal da marca */
  --amarelo-claro: #FFE3BB;
  --amarelo-escuro: #F2BE7A;   /* hover dos CTAs */
  --amarelo-deep:  #B8853A;    /* texto sobre creme */

  /* aliases legados (mantêm compatibilidade com regras antigas) */
  --laranja: var(--amarelo);
  --laranja-escuro: var(--amarelo-escuro);

  --whatsapp: #25D366;
  --whatsapp-escuro: #128C7E;

  --cinza-900: #131A26;
  --cinza-700: #3B4658;
  --cinza-500: #6B7686;
  --cinza-300: #C9D1DC;
  --cinza-200: #E2E7EE;
  --cinza-100: #F2F5F9;
  --cinza-50:  #F9FAFC;
  --branco:    #FFFFFF;

  --sombra-sm: 0 2px 6px rgba(13,42,79,.06);
  --sombra-md: 0 6px 22px rgba(13,42,79,.10);
  --sombra-lg: 0 14px 40px rgba(13,42,79,.14);

  --raio-sm: 8px;
  --raio-md: 14px;
  --raio-lg: 22px;
  --raio-pill: 999px;

  --max: 1200px;
  --transicao: .3s cubic-bezier(.4,0,.2,1);
}

/* ===== RESET ===== */
*, *::before, *::after { box-sizing: border-box; }
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}
body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, Arial, sans-serif;
  color: var(--cinza-900);
  background: var(--branco);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  -webkit-tap-highlight-color: rgba(255,212,155,.35);
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--azul-700); text-decoration: none; transition: color var(--transicao); }
a:hover { color: var(--azul-500); }
ul { list-style: none; padding: 0; margin: 0; }
button { font: inherit; cursor: pointer; }

h1, h2, h3, h4 {
  font-family: 'Inter', sans-serif;
  font-weight: 800;
  letter-spacing: -.02em;
  color: var(--azul-900);
  line-height: 1.2;
  margin: 0 0 .5em;
}
h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); }
h3 { font-size: 1.2rem; }
p  { margin: 0 0 1em; }

.container {
  width: 100%;
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: 1.5rem;
}

/* Quebras de linha condicionais */
.br-mobile  { display: none; }
.br-desktop { display: inline; }
@media (max-width: 768px) {
  .br-mobile  { display: inline; }
  .br-desktop { display: none; }
}

.eyebrow {
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: .14em;
  font-size: .8rem;
  font-weight: 700;
  color: var(--azul-600);
  margin-bottom: .8rem;
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 3rem;
}
.section-header h2 { margin-bottom: .4rem; }
.section-header__sub { color: var(--cinza-500); }
.section-header--light h2,
.section-header--light .eyebrow { color: var(--branco); }
.section-header--light .section-header__sub { color: rgba(255,255,255,.85); }

.link-arrow {
  display: inline-flex;
  align-items: center;
  font-weight: 700;
  color: var(--azul-700);
}
.link-arrow:hover { color: var(--amarelo-deep); }

/* ===== BOTÕES ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: .9rem 1.6rem;
  border-radius: var(--raio-pill);
  font-weight: 700;
  font-size: .95rem;
  text-decoration: none;
  border: 2px solid transparent;
  transition: all var(--transicao);
  white-space: nowrap;
  cursor: pointer;
}
.btn--primary {
  background: var(--amarelo);
  color: var(--azul-900);
}
.btn--primary:hover {
  background: var(--amarelo-escuro);
  color: var(--azul-900);
  transform: translateY(-2px);
  box-shadow: var(--sombra-md);
}
.btn--ghost {
  background: transparent;
  color: var(--branco);
  border-color: rgba(255,255,255,.6);
}
.btn--ghost:hover {
  background: rgba(255,255,255,.12);
  color: var(--branco);
  border-color: var(--branco);
}
.btn--whatsapp {
  background: var(--whatsapp);
  color: var(--branco);
}
.btn--whatsapp:hover {
  background: var(--whatsapp-escuro);
  color: var(--branco);
  transform: translateY(-2px);
}
.btn--block { width: 100%; }

/* ===== HEADER ===== */
.header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  background: rgba(255,255,255,.96);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid transparent;
  transition: all var(--transicao);
}
.header.is-scrolled {
  box-shadow: var(--sombra-sm);
  border-bottom-color: var(--cinza-200);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: .7rem;
}

.logo {
  display: inline-flex;
  align-items: center;
  line-height: 1;
  text-decoration: none;
}
.logo__img {
  height: 60px;
  width: auto;
  display: block;
  transition: transform var(--transicao);
}
.logo__img:hover { transform: scale(1.03); }
.footer__logo {
  height: 80px;
  width: auto;
  display: block;
  margin-bottom: .8rem;
}

.nav__list {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.nav__list a {
  font-weight: 600;
  color: var(--cinza-700);
  font-size: .95rem;
  position: relative;
  padding: .35rem 0;
}
.nav__list a:not(.nav__cta)::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 2px;
  background: var(--amarelo);
  transition: width var(--transicao);
}
.nav__list a:not(.nav__cta):hover { color: var(--azul-900); }
.nav__list a:not(.nav__cta):hover::after { width: 100%; }
.nav__cta {
  background: var(--amarelo);
  color: var(--azul-900) !important;
  padding: .6rem 1.2rem !important;
  border-radius: var(--raio-pill);
  font-weight: 700;
  transition: all var(--transicao);
}
.nav__cta:hover {
  background: var(--amarelo-escuro);
  transform: translateY(-2px);
  box-shadow: var(--sombra-sm);
}

.nav__toggle {
  display: none;
  background: none;
  border: 0;
  padding: .5rem;
  flex-direction: column;
  gap: 5px;
}
.nav__toggle span {
  display: block;
  width: 26px; height: 3px;
  background: var(--azul-900);
  border-radius: 2px;
  transition: transform var(--transicao), opacity var(--transicao);
}

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  color: var(--branco);
  isolation: isolate;
  overflow: hidden;
  padding-top: 5rem;
}
.hero__bg {
  position: absolute; inset: 0;
  background-image: url('images/hero/obra-aerea-2.jpg');
  background-size: cover;
  background-position: center;
  z-index: -2;
}
/* Camada azul esmaecida por cima da foto */
.hero__overlay {
  position: absolute; inset: 0;
  background:
    linear-gradient(135deg, rgba(2,33,63,.85), rgba(5,51,98,.78) 55%, rgba(11,68,126,.7)),
    radial-gradient(ellipse at top right, rgba(255,212,155,.22), transparent 60%);
  z-index: -1;
}
.hero__content { max-width: 760px; padding-block: 4rem; }
.hero__eyebrow {
  display: inline-block;
  background: rgba(255,212,155,.18);
  border: 1px solid rgba(255,212,155,.55);
  color: var(--amarelo);
  padding: .4rem 1rem;
  border-radius: var(--raio-pill);
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}
.hero__title {
  color: var(--branco);
  font-size: clamp(2.4rem, 6vw, 4.4rem);
  line-height: 1.05;
  margin-bottom: 1.3rem;
}
.hero__title span { color: var(--amarelo); }
.hero__lead {
  font-size: clamp(1rem, 1.5vw, 1.2rem);
  color: rgba(255,255,255,.92);
  max-width: 620px;
  margin-bottom: 2.5rem;
}
.hero__ctas { display: flex; flex-wrap: wrap; gap: 1rem; }

.hero__scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  color: var(--branco);
  opacity: .8;
  animation: bounce 2.2s infinite;
}
@keyframes bounce {
  0%,100% { transform: translate(-50%, 0); }
  50%     { transform: translate(-50%, 10px); }
}

/* ===== SOBRE ===== */
.sobre {
  padding: 6rem 0;
  background: var(--branco);
}
.sobre__grid {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 4rem;
  align-items: center;
}
.sobre__text p { color: var(--cinza-700); font-size: 1.05rem; }
.sobre__text strong { color: var(--azul-900); }
.sobre__stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.2rem;
}
.stat {
  background: var(--azul-50);
  border-left: 4px solid var(--amarelo);
  padding: 1.8rem 1.4rem;
  border-radius: var(--raio-md);
  transition: transform var(--transicao);
}
.stat:hover { transform: translateY(-4px); box-shadow: var(--sombra-md); }
.stat__number {
  display: block;
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 900;
  color: var(--azul-900);
  line-height: 1;
}
.stat__label {
  display: block;
  margin-top: .4rem;
  font-size: .85rem;
  font-weight: 600;
  color: var(--cinza-500);
  text-transform: uppercase;
  letter-spacing: .06em;
}

/* ===== SERVIÇOS ===== */
.servicos {
  padding: 6rem 0;
  background: var(--cinza-50);
}
.servicos__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}
.servico-card {
  background: var(--branco);
  padding: 2rem;
  border-radius: var(--raio-md);
  border: 1px solid var(--cinza-200);
  transition: all var(--transicao);
  position: relative;
  overflow: hidden;
}
.servico-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; height: 4px;
  background: linear-gradient(90deg, var(--azul-600), var(--amarelo));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .4s ease;
}
.servico-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--sombra-lg);
  border-color: transparent;
}
.servico-card:hover::before { transform: scaleX(1); }
.servico-card__icon {
  width: 56px; height: 56px;
  border-radius: var(--raio-md);
  background: var(--azul-100);
  color: var(--azul-700);
  display: grid;
  place-items: center;
  margin-bottom: 1.2rem;
  transition: all var(--transicao);
}
.servico-card:hover .servico-card__icon {
  background: var(--azul-700);
  color: var(--branco);
  transform: scale(1.05);
}
.servico-card__icon svg { width: 30px; height: 30px; }
.servico-card h3 { margin-bottom: .5rem; }
.servico-card p { color: var(--cinza-700); font-size: .95rem; margin: 0; }
.servico-card--highlight {
  background: linear-gradient(135deg, var(--azul-700), var(--azul-900));
  border-color: var(--azul-700);
}
.servico-card--highlight h3,
.servico-card--highlight strong { color: var(--branco); }
.servico-card--highlight p { color: rgba(255,255,255,.9); }
.servico-card--highlight .servico-card__icon {
  background: rgba(255,255,255,.15);
  color: var(--amarelo);
}

/* ===== OBRAS ===== */
.obras {
  padding: 6rem 0;
  background: linear-gradient(135deg, var(--azul-900), var(--azul-700));
  color: var(--branco);
}
.obras__grid {
  display: grid;
  gap: 2rem;
}
.obras__grid--3 {
  grid-template-columns: repeat(3, 1fr);
}
.obra-card {
  background: var(--branco);
  border-radius: var(--raio-md);
  overflow: hidden;
  color: var(--cinza-900);
  transition: all var(--transicao);
  box-shadow: var(--sombra-md);
  display: flex;
  flex-direction: column;
}
.obra-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--sombra-lg);
}

/* ===== GALERIA DINÂMICA ===== */
.obra-card__gallery {
  position: relative;
  aspect-ratio: 4/3;
  background: var(--azul-900);
  overflow: hidden;
}
.obra-card__gallery img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transform: scale(1.04);
  transition: opacity 1s ease, transform 6s ease;
  will-change: opacity, transform;
}
.obra-card__gallery img.is-active {
  opacity: 1;
  transform: scale(1);
}
/* Indicadores (bolinhas) */
.obra-card__dots {
  position: absolute;
  bottom: .8rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: .4rem;
  z-index: 2;
  pointer-events: auto;
}
.obra-card__dots button {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: 0;
  background: rgba(255,255,255,.45);
  padding: 0;
  cursor: pointer;
  transition: all var(--transicao);
}
.obra-card__dots button:hover {
  background: rgba(255,255,255,.8);
  transform: scale(1.2);
}
.obra-card__dots button.is-active {
  background: var(--amarelo);
  width: 22px;
  border-radius: var(--raio-pill);
}
/* Esconde dots se houver só 1 imagem */
.obra-card__gallery:has(img:only-of-type) .obra-card__dots { display: none; }

/* Setas de navegação: apenas a seta em amarelo, sem círculo */
.obra-card__arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 36px;
  height: 36px;
  border: 0;
  background: transparent;
  color: var(--amarelo);
  display: grid;
  place-items: center;
  cursor: pointer;
  z-index: 2;
  padding: 0;
  transition: transform var(--transicao), color var(--transicao);
  opacity: .95;
  /* sombra no SVG para legibilidade sobre qualquer foto */
  filter: drop-shadow(0 2px 4px rgba(0,0,0,.55));
}
.obra-card__arrow svg {
  width: 30px;
  height: 30px;
  stroke-width: 3;
}
.obra-card__arrow:hover {
  color: var(--amarelo-claro);
  transform: translateY(-50%) scale(1.15);
  background: transparent;
}
.obra-card__arrow:active {
  transform: translateY(-50%) scale(.92);
}
.obra-card__arrow--prev { left: .5rem; }
.obra-card__arrow--next { right: .5rem; }

/* No hover do card inteiro, setas ficam totalmente opacas */
.obra-card__gallery:hover .obra-card__arrow { opacity: 1; }

.obra-card__body { padding: 1.6rem; }
.obra-card__tag {
  display: inline-block;
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--amarelo-deep);
  background: rgba(255,212,155,.22);
  padding: .25rem .7rem;
  border-radius: var(--raio-pill);
  margin-bottom: .7rem;
}
.obra-card h3 { font-size: 1.15rem; margin-bottom: .4rem; }
.obra-card p { color: var(--cinza-700); font-size: .95rem; margin: 0; }

/* ===== CLIENTES (logos) ===== */
.clientes {
  padding: 6rem 0;
  background: var(--branco);
}
.clientes__lead {
  text-align: center;
  max-width: 640px;
  margin: -1.5rem auto 2.5rem;
  color: var(--cinza-500);
}
.clientes__grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1.2rem;
  align-items: stretch;
}
.cliente {
  background: var(--branco);
  border: 1px solid var(--cinza-200);
  border-radius: var(--raio-md);
  padding: 1.1rem 1rem;
  min-height: 130px;
  display: grid;
  place-items: center;
  overflow: hidden;
  transition: all var(--transicao);
  filter: grayscale(100%);
  opacity: .8;
}
.cliente img {
  max-width: 100%;
  max-height: 90px;
  width: auto;
  height: auto;
  object-fit: contain;
}
/* Logos quadrados (CASAN, Habitasul) podem ocupar mais altura */
.cliente[data-cliente="casan"] img,
.cliente[data-cliente="habitasul"] img {
  max-height: 110px;
}
.cliente:hover {
  filter: grayscale(0);
  opacity: 1;
  transform: translateY(-4px);
  box-shadow: var(--sombra-md);
  border-color: var(--azul-100);
}

/* ===== CTA INTERMEDIÁRIO ===== */
.cta-band {
  background: linear-gradient(135deg, var(--azul-700), var(--azul-900));
  padding: 4rem 0;
  color: var(--branco);
  position: relative;
  overflow: hidden;
}
.cta-band::before {
  content: '';
  position: absolute;
  top: -50%; right: -10%;
  width: 60%; height: 200%;
  background: radial-gradient(circle, rgba(255,212,155,.18), transparent 60%);
  pointer-events: none;
}
.cta-band__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
  position: relative;
}
.cta-band h2 { color: var(--branco); margin-bottom: .3rem; }
.cta-band p  { color: rgba(255,255,255,.95); margin: 0; }
.cta-band__buttons { display: flex; gap: .8rem; flex-wrap: wrap; }
.cta-band .btn--primary {
  background: var(--amarelo);
  color: var(--azul-900);
}
.cta-band .btn--primary:hover {
  background: var(--amarelo-claro);
  color: var(--azul-900);
}

/* ===== CONTATO ===== */
.contato {
  padding: 6rem 0 0;
  background: var(--cinza-50);
}
.contato__grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 3.5rem;
  align-items: start;
  padding-bottom: 4rem;
}
.contato__lead { color: var(--cinza-700); font-size: 1.05rem; }
.contato__list { display: flex; flex-direction: column; gap: 1.2rem; margin-top: 1.8rem; }
.contato__list li {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}
.contato__list strong {
  display: block;
  color: var(--azul-900);
  margin-bottom: .15rem;
}
.contato__list a { color: var(--azul-700); }
.contato__icon {
  flex: 0 0 44px;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--azul-100);
  color: var(--azul-700);
  display: grid;
  place-items: center;
}

.contato__form-wrapper {
  background: var(--branco);
  border-radius: var(--raio-lg);
  padding: 2.5rem;
  box-shadow: var(--sombra-md);
}
.contato__form h3 { margin-bottom: .3rem; }
.contato__form > p { color: var(--cinza-500); margin-bottom: 1.5rem; }
.form-row { margin-bottom: 1.2rem; }
.form-row label {
  display: block;
  font-weight: 600;
  font-size: .9rem;
  color: var(--cinza-700);
  margin-bottom: .4rem;
}
.form-row input,
.form-row textarea,
.form-row select {
  width: 100%;
  padding: .85rem 1rem;
  font: inherit;
  color: var(--cinza-900);
  background: var(--cinza-50);
  border: 2px solid var(--cinza-200);
  border-radius: var(--raio-sm);
  transition: all var(--transicao);
}
.form-row input:focus,
.form-row textarea:focus,
.form-row select:focus {
  outline: 0;
  border-color: var(--azul-600);
  background: var(--branco);
  box-shadow: 0 0 0 4px rgba(37,99,168,.12);
}
.form-row textarea { resize: vertical; min-height: 110px; }
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.form-status {
  margin-top: 1rem;
  font-size: .9rem;
  font-weight: 600;
  text-align: center;
  min-height: 1.2em;
}
.form-status.ok    { color: #1F8A3B; }
.form-status.error { color: #C0392B; }

.mapa {
  border-top: 1px solid var(--cinza-200);
}
.mapa iframe {
  display: block;
  width: 100%;
  height: 380px;
  border: 0;
}

/* ===== FOOTER ===== */
.footer {
  background: var(--azul-900);
  color: rgba(255,255,255,.78);
  padding-top: 4rem;
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 2.5rem;
  padding-bottom: 3rem;
}
.footer__brand p { margin-top: 1rem; font-size: .95rem; }
.footer__col h4 {
  color: var(--branco);
  text-transform: uppercase;
  font-size: .85rem;
  letter-spacing: .12em;
  margin-bottom: 1rem;
}
.footer__col ul { display: flex; flex-direction: column; gap: .55rem; }
.footer__col a {
  color: rgba(255,255,255,.78);
  font-size: .95rem;
}
.footer__col a:hover { color: var(--amarelo); }
.footer__bottom {
  border-top: 1px solid rgba(255,255,255,.12);
  padding: 1.4rem 1.5rem;
  display: flex;
  justify-content: space-between;
  font-size: .85rem;
  color: rgba(255,255,255,.55);
  gap: 1rem;
  flex-wrap: wrap;
}
.footer__bottom p { margin: 0; }

/* ===== WhatsApp flutuante ===== */
.whatsapp-float {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 90;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--whatsapp);
  color: var(--branco);
  display: grid;
  place-items: center;
  box-shadow: 0 8px 22px rgba(37,211,102,.45);
  animation: pulse 2s infinite;
  transition: transform var(--transicao);
}
.whatsapp-float:hover {
  transform: scale(1.08);
  color: var(--branco);
}
@keyframes pulse {
  0%   { box-shadow: 0 8px 22px rgba(37,211,102,.45); }
  50%  { box-shadow: 0 8px 22px rgba(37,211,102,.75), 0 0 0 12px rgba(37,211,102,0); }
  100% { box-shadow: 0 8px 22px rgba(37,211,102,.45); }
}

/* ===== RESPONSIVO ===== */
/* ============================================================
   RESPONSIVO
   ============================================================ */

/* ---- TABLET (≤ 992px) ---- */
@media (max-width: 992px) {
  .sobre__grid,
  .contato__grid,
  .footer__grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .clientes__grid { grid-template-columns: repeat(3, 1fr); }
  .obras__grid--3 { grid-template-columns: 1fr 1fr; }
  .obras__grid--3 .obra-card:last-child { grid-column: 1 / -1; max-width: 50%; margin-inline: auto; }
}

/* ---- CELULAR LANDSCAPE / TABLET PEQUENO (≤ 768px) ---- */
@media (max-width: 768px) {
  /* Menu hambúrguer */
  .nav__toggle { display: flex; }
  .nav__list {
    position: fixed;
    top: 0; right: 0;
    height: 100vh;
    width: min(85vw, 340px);
    background: var(--branco);
    flex-direction: column;
    align-items: flex-start;
    gap: 1.4rem;
    padding: 5rem 2rem 2rem;
    box-shadow: -10px 0 30px rgba(0,0,0,.18);
    transform: translateX(100%);
    transition: transform .35s ease;
    overflow-y: auto;
  }
  .nav__list.is-open { transform: translateX(0); }
  .nav__list a:not(.nav__cta) { font-size: 1.15rem; padding: .6rem 0; width: 100%; }
  .nav__cta { width: 100%; text-align: center; }
  .nav__toggle.is-open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
  .nav__toggle.is-open span:nth-child(2) { opacity: 0; }
  .nav__toggle.is-open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

  /* Logos */
  .logo__img { height: 50px; }
  .footer__logo { height: 72px; }
  .header__inner { padding-block: .55rem; }

  /* Tipografia & espaçamentos */
  .container { padding-inline: 1.25rem; }
  .hero { min-height: 86vh; padding-top: 5rem; }
  .hero__content { padding-block: 3rem; }
  .hero__lead { font-size: 1rem; margin-bottom: 2rem; }
  .hero__scroll { display: none; }

  .sobre, .servicos, .obras, .clientes, .contato { padding-block: 4rem; }
  .section-header { margin-bottom: 2.2rem; }

  /* Stats */
  .sobre__stats { grid-template-columns: 1fr 1fr; gap: .9rem; }
  .stat { padding: 1.3rem 1.1rem; }
  .stat__number { font-size: 1.8rem; }

  /* Obras: 1 coluna */
  .obras__grid--3 { grid-template-columns: 1fr; gap: 1.5rem; }
  .obras__grid--3 .obra-card:last-child { max-width: 100%; }
  .obra-card__gallery { aspect-ratio: 16/10; }
  /* Setas mais discretas no mobile (mantendo só a seta amarela) */
  .obra-card__arrow {
    width: 40px;
    height: 40px;
    opacity: 1;
  }
  .obra-card__arrow svg { width: 26px; height: 26px; }
  .obra-card__arrow--prev { left: .35rem; }
  .obra-card__arrow--next { right: .35rem; }
  /* Bolinhas mais finas */
  .obra-card__dots { bottom: .65rem; gap: .35rem; }
  .obra-card__dots button {
    width: 7px;
    height: 7px;
    background: rgba(255,255,255,.55);
  }
  .obra-card__dots button.is-active { width: 20px; height: 7px; }

  /* Clientes: 3 colunas (logos um pouco menores) */
  .cliente { min-height: 110px; padding: .9rem .8rem; }
  .cliente img { max-height: 70px; }
  .cliente[data-cliente="casan"] img,
  .cliente[data-cliente="habitasul"] img { max-height: 88px; }
  .clientes__lead { margin-top: 0; font-size: .95rem; padding-inline: .5rem; }

  /* CTA band */
  .cta-band { padding: 3rem 0; }
  .cta-band__inner { text-align: center; justify-content: center; }
  .cta-band__buttons {
    justify-content: center;
    width: 100%;
    gap: .6rem;
    margin-top: .4rem;
  }
  .cta-band__buttons .btn {
    flex: 1 1 calc(50% - .3rem);
    box-shadow: 0 4px 14px rgba(0,0,0,.18);
    padding: .85rem 1.2rem;
    font-size: .92rem;
    min-height: 0;
  }

  /* Hero buttons */
  .hero__ctas .btn { flex: 1 1 100%; padding: 1rem 1.4rem; }

  /* Form */
  .form-grid { grid-template-columns: 1fr; }
  .contato__form-wrapper { padding: 1.8rem 1.4rem; }
  .form-row input,
  .form-row textarea,
  .form-row select { padding: .95rem 1rem; font-size: 16px; /* evita zoom no iOS */ }

  /* Contato lista */
  .contato__list li { gap: .8rem; }
  .mapa iframe { height: 280px; }

  /* Footer */
  .footer__bottom { justify-content: center; text-align: center; }
  .footer__grid { padding-bottom: 2rem; }

  /* WhatsApp flutuante: um pouco menor */
  .whatsapp-float {
    width: 54px;
    height: 54px;
    bottom: 1.1rem;
    right: 1.1rem;
  }
  .whatsapp-float svg { width: 26px; height: 26px; }
}

/* ---- CELULAR (≤ 540px) ---- */
@media (max-width: 540px) {
  .container { padding-inline: 1rem; }

  .hero__title { font-size: clamp(2rem, 9vw, 2.6rem); line-height: 1.1; }
  /* Eyebrow no mobile: tira o chip e vira só texto leve, mais elegante */
  .hero__eyebrow {
    background: none;
    border: 0;
    padding: 0;
    margin-bottom: 1.2rem;
    font-size: .68rem;
    letter-spacing: .18em;
    color: var(--amarelo);
    text-shadow: 0 1px 2px rgba(0,0,0,.4);
    line-height: 1.5;
  }
  .hero { min-height: 78vh; }
  .hero__content { padding-block: 2rem; }

  .sobre__stats { grid-template-columns: 1fr 1fr; }
  .clientes__grid { grid-template-columns: repeat(2, 1fr); gap: .8rem; }
  .cliente { min-height: 105px; padding: .8rem; }

  .servicos__grid { gap: 1rem; }
  .servico-card { padding: 1.6rem 1.4rem; }
  .servico-card h3 { font-size: 1.1rem; }

  .cta-band h2 { font-size: 1.4rem; line-height: 1.25; }
  .cta-band p { font-size: .92rem; }
  .cta-band__buttons {
    flex-direction: column;
    gap: .55rem;
  }
  .cta-band__buttons .btn {
    flex: 1 1 100%;
    width: 100%;
    padding: .85rem 1.2rem;
    font-size: .92rem;
    box-shadow: 0 4px 14px rgba(0,0,0,.18);
  }
  /* Hierarquia visual: Solicitar Orçamento (primary) tem destaque com leve elevação extra */
  .cta-band .btn--primary {
    order: -1; /* aparece primeiro */
    box-shadow: 0 6px 18px rgba(0,0,0,.22);
  }

  .obra-card__gallery { aspect-ratio: 16/11; }
  .obra-card__body { padding: 1.3rem; }
  .obra-card__arrow { width: 36px; height: 36px; }
  .obra-card__arrow svg { width: 24px; height: 24px; }

  .contato__form-wrapper { padding: 1.4rem 1.1rem; }
  .contato__list strong { font-size: .95rem; }

  .footer__brand p { font-size: .9rem; }
  .footer { padding-top: 3rem; }

  /* Botões: garante altura mínima para toque (44px Apple HIG) */
  .btn { min-height: 48px; }
  .obra-card__dots button { padding: .3rem; box-sizing: content-box; }
}

/* ---- CELULAR PEQUENO (≤ 380px) ---- */
@media (max-width: 380px) {
  .hero__title { font-size: 1.85rem; }
  h2 { font-size: 1.5rem; }
  .logo__img { height: 42px; }
  .nav__toggle span { width: 22px; }
}