/* ==========================================================================
   ProjetArchi — Arquitetura e Interiores
   Dark mode — versão escura coerente em todas as seções
   ========================================================================== */

:root {
  /* Paleta de marca */
  --bege-1: #feeee1;
  --bege-2: #f6e1ce;
  --verde: #768975;
  --verde-escuro: #5e6f5c;
  --verde-claro: #9db09b;
  --terracota: #a26757;
  --terracota-escuro: #8a5347;
  --terracota-claro: #d19d80;
  --branco: #ffffff;

  /* Fundo escuro — tom único (Tema 3), com uma variante levemente mais clara para elementos elevados (menu mobile) */
  --bg-0: #362f2a;
  --bg-0-rgb: 54, 47, 42;
  --bg-1: #453b34;
  --bg-2: #544736;
  --linha: rgba(251, 238, 225, 0.12);
  --linha-forte: rgba(251, 238, 225, 0.22);

  /* Texto sobre fundo escuro */
  --texto-alto: #f9ede2;
  --texto-medio: rgba(249, 237, 226, 0.68);
  --texto-baixo: rgba(249, 237, 226, 0.46);

  /* Texto sobre os blocos claros (números / contato) */
  --texto-em-claro: #362f2a;
  --texto-em-claro-suave: #6b6058;

  --fonte-titulo: 'Jost', sans-serif;
  --fonte-texto: 'Nunito', sans-serif;

  --container: 1160px;
  --radius: 2px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--fonte-texto);
  color: var(--texto-medio);
  background: var(--bg-0);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

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

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

ul {
  list-style: none;
}

section {
  scroll-margin-top: 76px;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
}

h1, h2, h3, h4 {
  font-family: var(--fonte-titulo);
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--texto-alto);
}

.eyebrow {
  display: inline-block;
  font-family: var(--fonte-titulo);
  font-size: 13px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--terracota-claro);
  margin-bottom: 14px;
}

.section-head {
  max-width: 640px;
  margin-bottom: 56px;
}

.section-head.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-head h2 {
  font-size: clamp(28px, 4vw, 38px);
  font-weight: 400;
  margin-bottom: 16px;
}

.section-head p {
  color: var(--texto-medio);
  font-size: 17px;
}

/* Botões ------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--fonte-titulo);
  font-size: 14px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 15px 34px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  transition: background-color 0.25s ease, color 0.25s ease, border-color 0.25s ease;
  cursor: pointer;
}

.btn-primary {
  background: var(--terracota-claro);
  color: var(--bg-0);
}

.btn-primary:hover {
  background: var(--terracota);
  color: var(--branco);
}

.btn-outline {
  border-color: var(--linha-forte);
  color: var(--texto-alto);
  background: transparent;
}

.btn-outline:hover {
  background: var(--texto-alto);
  border-color: var(--texto-alto);
  color: var(--bg-0);
}

/* Header / navegação --------------------------------------------------- */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  padding: 22px 0;
  background: rgba(54, 47, 42, 0);
  transition: background-color 0.35s ease, padding 0.35s ease, box-shadow 0.35s ease;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-header.scrolled {
  background: rgba(54, 47, 42, 0.92);
  backdrop-filter: blur(6px);
  padding: 14px 0;
  box-shadow: 0 1px 0 var(--linha);
}

.brand {
  display: flex;
  align-items: center;
}

.brand img {
  height: 34px;
  width: auto;
}

.nav-list {
  display: flex;
  gap: 40px;
}

.nav-list a {
  font-family: var(--fonte-titulo);
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--texto-alto);
  padding-bottom: 4px;
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s ease, opacity 0.25s ease;
  opacity: 0.78;
}

.nav-list a:hover {
  opacity: 1;
  border-color: currentColor;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  position: relative;
  z-index: 101;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--texto-alto);
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.nav-toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Hero ------------------------------------------------------------------ */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background:
    linear-gradient(90deg, rgba(54, 47, 42, 0.94) 0%, rgba(54, 47, 42, 0.88) 32%, rgba(54, 47, 42, 0.58) 62%, rgba(54, 47, 42, 0.28) 100%),
    url('../assets/img/hero-sala.jpg') center right / cover no-repeat;
  overflow: hidden;
}

.hero .container {
  position: relative;
  z-index: 2;
}

.hero-content {
  max-width: 640px;
  padding-top: 60px;
}

.hero-content .eyebrow {
  color: var(--verde-claro);
}

.hero-content h1 {
  font-size: clamp(38px, 6vw, 64px);
  font-weight: 400;
  line-height: 1.12;
  color: var(--texto-alto);
  margin-bottom: 22px;
}

.hero-content h1 span {
  color: var(--terracota-claro);
}

.hero-content p {
  font-size: 19px;
  color: var(--texto-medio);
  max-width: 480px;
  margin-bottom: 36px;
}

.hero-actions {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

/* Sobre ------------------------------------------------------------------ */

.sobre {
  padding: 130px 0 110px;
  background: var(--bg-0);
}

.sobre-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  align-items: center;
  margin-bottom: 100px;
}

.sobre-intro figure {
  position: relative;
}

.sobre-intro figure img {
  width: 100%;
  height: 520px;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--linha);
}

.sobre-intro figure::before {
  content: '';
  position: absolute;
  top: 22px;
  left: -22px;
  width: 100%;
  height: 100%;
  border: 1px solid var(--linha-forte);
  z-index: -1;
}

.sobre-text .section-head {
  margin-bottom: 24px;
}

.sobre-text p {
  color: var(--texto-medio);
  margin-bottom: 18px;
}

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

.equipe-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.equipe-card {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 24px;
  align-items: start;
}

.equipe-card img {
  width: 130px;
  height: 130px;
  object-fit: cover;
  object-position: 50% 50%;
  border-radius: 50%;
  border: 1px solid var(--linha-forte);
}

.equipe-card h4 {
  font-size: 19px;
  font-weight: 500;
  margin-bottom: 4px;
}

.equipe-card .cargo {
  font-family: var(--fonte-titulo);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--terracota-claro);
  margin-bottom: 10px;
  display: block;
}

.equipe-card p {
  font-size: 14.5px;
  color: var(--texto-medio);
}

/* Serviços ---------------------------------------------------------------- */

.servicos {
  padding: 110px 0;
  background: var(--bege-1);
}

.servicos .eyebrow {
  color: var(--terracota-escuro);
}

.servicos .section-head h2 {
  color: var(--texto-em-claro);
}

.servicos .section-head p {
  color: var(--texto-em-claro-suave);
}

.servicos-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: rgba(54, 47, 42, 0.12);
  border: 1px solid rgba(54, 47, 42, 0.12);
}

.servico-card {
  background: var(--bege-1);
  padding: 44px 38px;
  transition: background-color 0.3s ease;
}

.servico-card:hover {
  background: var(--branco);
}

.servico-numero {
  font-family: var(--fonte-titulo);
  font-size: 13px;
  color: var(--terracota-escuro);
  letter-spacing: 0.1em;
  margin-bottom: 22px;
  display: block;
}

.servico-card h3 {
  font-size: 20px;
  font-weight: 500;
  margin-bottom: 14px;
  color: var(--texto-em-claro);
}

.servico-card p {
  color: var(--texto-em-claro-suave);
  font-size: 15px;
}

/* Método ------------------------------------------------------------------ */

.metodo {
  padding: 130px 0;
  background: var(--bg-0);
}

.metodo-list {
  max-width: 780px;
  margin: 0 auto;
}

.metodo-step {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 36px;
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.metodo-step.visible {
  opacity: 1;
  transform: translateY(0);
}

.metodo-marker {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.metodo-num {
  font-family: var(--fonte-titulo);
  font-size: 34px;
  font-weight: 300;
  color: var(--terracota-claro);
  line-height: 1;
}

.metodo-line {
  width: 1px;
  flex: 1;
  margin-top: 18px;
  background: var(--linha-forte);
  min-height: 60px;
}

.metodo-content {
  padding-bottom: 56px;
}

.metodo-step:last-child .metodo-content {
  padding-bottom: 0;
}

.metodo-content h3 {
  font-size: 23px;
  font-weight: 500;
  margin-bottom: 12px;
  padding-top: 4px;
}

.metodo-content p {
  color: var(--texto-medio);
  font-size: 16px;
  max-width: 560px;
}

/* Projetos ------------------------------------------------------------------ */

.projetos {
  background: var(--bg-1);
  padding: 90px 0 110px;
}

.projetos-head {
  text-align: center;
  margin-bottom: 46px;
}

.projetos-head p {
  color: var(--texto-medio);
  font-size: 17px;
}

.projetos-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.projetos-instagram {
  display: block;
  text-align: center;
  margin-top: 46px;
  font-family: var(--fonte-titulo);
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--terracota-claro);
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s ease;
}

.projetos-instagram:hover {
  border-color: var(--terracota-claro);
}

.projeto-card {
  position: relative;
}

.projeto-carousel {
  position: relative;
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 16 / 11;
  background: var(--bg-2);
}

.projeto-carousel img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transform: translateX(0);
  transition: none;
  pointer-events: none;
}

.projeto-carousel img.active {
  opacity: 1;
  z-index: 1;
}

.projeto-carousel img.leaving-left {
  opacity: 1;
  z-index: 1;
  animation: slideOutLeft 1.1s ease-in-out forwards;
}

.projeto-carousel img.leaving-right {
  opacity: 1;
  z-index: 1;
  animation: slideOutRight 1.1s ease-in-out forwards;
}

.projeto-carousel img.entering-left {
  opacity: 1;
  z-index: 2;
  animation: slideInLeft 1.1s ease-in-out forwards;
}

.projeto-carousel img.entering-right {
  opacity: 1;
  z-index: 2;
  animation: slideInRight 1.1s ease-in-out forwards;
}

@keyframes slideOutLeft {
  from { transform: translateX(0); }
  to { transform: translateX(-100%); }
}

@keyframes slideOutRight {
  from { transform: translateX(0); }
  to { transform: translateX(100%); }
}

@keyframes slideInLeft {
  from { transform: translateX(-100%); }
  to { transform: translateX(0); }
}

@keyframes slideInRight {
  from { transform: translateX(100%); }
  to { transform: translateX(0); }
}

.carousel-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 4;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid rgba(249, 237, 226, 0.4);
  background: rgba(54, 47, 42, 0.55);
  backdrop-filter: blur(3px);
  color: var(--texto-alto);
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.25s ease, background-color 0.25s ease;
}

.projeto-carousel:hover .carousel-arrow {
  opacity: 1;
}

.carousel-arrow:hover {
  background: rgba(54, 47, 42, 0.85);
}

.carousel-arrow.prev {
  left: 16px;
}

.carousel-arrow.next {
  right: 16px;
}

.carousel-dots {
  position: absolute;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 4;
  display: flex;
  gap: 8px;
  opacity: 0;
  transition: opacity 0.25s ease;
}

.projeto-carousel:hover .carousel-dots {
  opacity: 1;
}

.carousel-dots .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(249, 237, 226, 0.45);
  transition: background-color 0.25s ease, transform 0.25s ease;
}

.carousel-dots .dot.active {
  background: var(--texto-alto);
  transform: scale(1.3);
}

/* Números — bloco claro, respiro no meio da página escura ------------------ */

.numeros {
  padding: 90px 0;
  background: var(--bege-1);
  color: var(--texto-em-claro);
}

.numeros-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  max-width: 480px;
  margin: 0 auto;
  text-align: center;
}

.numeros-grid > div {
  border-left: 1px solid rgba(54, 47, 42, 0.18);
  padding: 0 20px;
}

.numeros-grid > div:first-child {
  border-left: none;
}

.numero {
  font-family: var(--fonte-titulo);
  font-size: clamp(38px, 5vw, 54px);
  font-weight: 400;
  margin-bottom: 8px;
  color: var(--terracota-escuro);
}

.numero-label {
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--texto-em-claro-suave);
}

.numero-plus::before {
  content: '+';
}

/* Contato — segundo respiro claro, fecha o site num convite caloroso ------- */

.contato {
  padding: 120px 0;
  background: var(--bege-2);
  color: var(--texto-em-claro);
  text-align: center;
}

.contato .eyebrow {
  color: var(--terracota-escuro);
}

.contato .section-head p {
  color: var(--texto-em-claro-suave);
}

.contato .section-head h2 {
  color: var(--texto-em-claro);
}

.contato-lista {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 40px;
}

.contato-lista a {
  font-size: 19px;
  color: var(--texto-em-claro);
}

.contato-lista .rotulo {
  font-family: var(--fonte-titulo);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--texto-em-claro-suave);
  display: block;
  margin-bottom: 4px;
}

.contato-lista a:hover {
  color: var(--terracota-escuro);
}

.contato .btn-primary {
  background: var(--terracota-escuro);
  color: var(--branco);
}

.contato .btn-primary:hover {
  background: var(--terracota);
}

.contato-social {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 44px;
}

.contato-social a {
  width: 44px;
  height: 44px;
  border: 1px solid rgba(54, 47, 42, 0.3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.25s ease;
  font-size: 15px;
  color: var(--texto-em-claro);
}

.contato-social a:hover {
  background: var(--terracota-escuro);
  border-color: var(--terracota-escuro);
  color: var(--branco);
}

/* Rodapé ------------------------------------------------------------------ */

.site-footer {
  background: var(--bg-0);
  color: var(--texto-baixo);
  padding: 40px 0;
  border-top: 1px solid var(--linha);
}

.site-footer .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 18px;
}

.site-footer img {
  height: 24px;
  opacity: 0.9;
}

.site-footer p {
  font-size: 13.5px;
}

/* Lightbox ------------------------------------------------------------------ */

.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(20, 17, 14, 0.96);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 200;
  padding: 40px;
}

.lightbox.open {
  display: flex;
}

.lightbox img {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
  border: 1px solid var(--linha-forte);
}

.lightbox-close {
  position: absolute;
  top: 28px;
  right: 32px;
  color: var(--texto-alto);
  font-size: 32px;
  background: none;
  border: none;
  cursor: pointer;
  line-height: 1;
  z-index: 2;
}

.lightbox-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  border: 1px solid rgba(249, 237, 226, 0.35);
  background: rgba(54, 47, 42, 0.55);
  color: var(--texto-alto);
  font-size: 28px;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.25s ease;
}

.lightbox-arrow:hover {
  background: rgba(54, 47, 42, 0.9);
}

.lightbox-prev {
  left: 24px;
}

.lightbox-next {
  right: 24px;
}

.lightbox-counter {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  color: var(--texto-medio);
  font-family: var(--fonte-titulo);
  font-size: 13px;
  letter-spacing: 0.12em;
}

@media (max-width: 640px) {
  .lightbox-arrow {
    width: 42px;
    height: 42px;
    font-size: 22px;
  }

  .lightbox-prev {
    left: 8px;
  }

  .lightbox-next {
    right: 8px;
  }
}

/* Responsivo ------------------------------------------------------------------ */

@media (max-width: 900px) {
  .servicos-grid,
  .projetos-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .sobre-intro {
    grid-template-columns: 1fr;
    gap: 50px;
  }

  .sobre-intro figure img {
    height: 380px;
  }

  .equipe-grid {
    grid-template-columns: 1fr;
    gap: 34px;
  }
}

@media (max-width: 720px) {
  .nav-list {
    position: fixed;
    top: 0;
    right: 0;
    height: 100vh;
    width: min(76vw, 320px);
    background: var(--bg-1);
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    gap: 30px;
    padding: 40px;
    transform: translateX(100%);
    transition: transform 0.35s ease;
    box-shadow: -8px 0 24px rgba(0, 0, 0, 0.35);
  }

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

  .nav-toggle {
    display: flex;
  }

  .servicos-grid,
  .projetos-grid {
    grid-template-columns: 1fr;
  }

  .carousel-arrow,
  .carousel-dots {
    opacity: 1;
  }

  .carousel-arrow {
    width: 36px;
    height: 36px;
    font-size: 18px;
  }

  .numeros-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .numeros-grid > div {
    border-left: none;
    border-top: 1px solid rgba(54, 47, 42, 0.18);
    padding-top: 24px;
  }

  .numeros-grid > div:first-child {
    border-top: none;
    padding-top: 0;
  }

  .equipe-card {
    grid-template-columns: 90px 1fr;
  }

  .equipe-card img {
    width: 90px;
    height: 90px;
  }

  .metodo-step {
    grid-template-columns: 56px 1fr;
    gap: 20px;
  }

  .metodo-num {
    font-size: 26px;
  }

  .metodo-content {
    padding-bottom: 40px;
  }

  .metodo-content h3 {
    font-size: 20px;
  }

  .site-footer .container {
    flex-direction: column;
    text-align: center;
  }

  .hero {
    background:
      linear-gradient(180deg, rgba(54, 47, 42, 0.94) 0%, rgba(54, 47, 42, 0.9) 55%, rgba(54, 47, 42, 0.65) 100%),
      url('../assets/img/hero-sala.jpg') center 65% / cover no-repeat;
  }
}