/* MH Ambientes Planejados — identidade da logo
   Navy profundo + bronze metálico | tipografia geométrica */
:root {
  --navy: #0d1b2a;
  --navy-mid: #1b2735;
  --navy-soft: #243447;
  --bronze: #c5a059;
  --bronze-light: #d4b978;
  --bronze-deep: #a8843f;
  --surface: #f5f4f2;
  --surface-2: #ebe9e5;
  --ink: #121a24;
  --muted: #5a6573;
  --line: rgba(13, 27, 42, 0.1);
  --white: #ffffff;
  --font-display: "Syne", "Segoe UI", sans-serif;
  --font-body: "Manrope", "Segoe UI", sans-serif;
  --radius: 0;
  --header-h: 4.75rem;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --shadow: 0 28px 64px rgba(13, 27, 42, 0.14);
  --bevel: linear-gradient(145deg, var(--bronze-light), var(--bronze) 40%, var(--bronze-deep));
}

*,
*::before,
*::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 0.5rem);
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--ink);
  background:
    radial-gradient(900px 480px at 0% 0%, rgba(197, 160, 89, 0.07), transparent 55%),
    radial-gradient(700px 420px at 100% 8%, rgba(13, 27, 42, 0.05), transparent 50%),
    linear-gradient(180deg, var(--surface) 0%, var(--surface-2) 100%);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a {
  color: var(--navy);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

a:hover { color: var(--bronze-deep); }

h1, h2, h3, .form-title {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.12;
  color: var(--navy);
  margin: 0 0 0.55em;
  letter-spacing: -0.03em;
}

h1 { font-size: clamp(2.15rem, 5.2vw, 3.55rem); }
h2 { font-size: clamp(1.75rem, 3.4vw, 2.55rem); }
h3 { font-size: clamp(1.15rem, 2vw, 1.4rem); letter-spacing: -0.02em; }

p { margin: 0 0 1em; }
ul, ol { margin: 0; padding: 0; }
address { font-style: normal; }

.skip-link {
  position: absolute;
  left: 1rem;
  top: -100px;
  background: var(--navy);
  color: var(--white);
  padding: 0.6rem 1rem;
  z-index: 1000;
}

.skip-link:focus { top: 1rem; }

.container {
  width: min(1140px, calc(100% - 2.5rem));
  margin-inline: auto;
}

/* ——— Header ——— */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: var(--header-h);
  transition: background 0.35s var(--ease), box-shadow 0.35s var(--ease);
  background: transparent;
}

.site-header.is-scrolled {
  background: rgba(245, 244, 242, 0.94);
  backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 var(--line);
}

.header-inner {
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand-logo {
  width: auto;
  height: 3.15rem;
  object-fit: contain;
}

.nav ul {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.1rem 1.2rem;
}

.nav a {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--navy);
  text-decoration: none;
  letter-spacing: 0.02em;
}

.nav a:hover { color: var(--bronze-deep); }

.nav-cta {
  display: inline-flex;
  align-items: center;
  padding: 0.55rem 1.05rem;
  background: var(--navy);
  color: var(--surface) !important;
  transition: background 0.25s var(--ease), transform 0.25s var(--ease);
}

.nav-cta:hover {
  background: var(--bronze-deep);
  transform: translateY(-1px);
}

.nav-toggle {
  display: none;
  width: 2.5rem;
  height: 2.5rem;
  border: 0;
  background: transparent;
  cursor: pointer;
  padding: 0.45rem;
  flex-direction: column;
  justify-content: center;
  gap: 0.35rem;
}

.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--navy);
  transition: transform 0.3s var(--ease), opacity 0.3s;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ——— Hero ——— */
.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  place-items: center;
  overflow: hidden;
  color: var(--surface);
  isolation: isolate;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    linear-gradient(128deg, #0a1520 0%, var(--navy) 38%, var(--navy-mid) 68%, #3d3428 100%);
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
  filter: brightness(0.42) saturate(0.88);
}

.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(10, 21, 32, 0.42) 0%, rgba(13, 27, 42, 0.62) 48%, rgba(10, 21, 32, 0.88) 100%),
    radial-gradient(ellipse 75% 48% at 72% 18%, rgba(197, 160, 89, 0.18), transparent 58%);
}

.hero-grain {
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: 0.3;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
  mix-blend-mode: soft-light;
}

@keyframes heroGlow {
  from { transform: scale(1); }
  to { transform: scale(1.06) translate(-1%, 1%); }
}

.hero-content {
  width: min(740px, calc(100% - 2.5rem));
  text-align: center;
  padding: 6.5rem 0 4rem;
  animation: fadeUp 0.95s var(--ease) both;
}

.hero-logo {
  width: min(268px, 58vw);
  height: auto;
  margin: 0 auto 1.6rem;
  filter: drop-shadow(0 16px 42px rgba(0, 0, 0, 0.4));
  animation: logoIn 1.1s var(--ease) 0.08s both;
}

@keyframes logoIn {
  from { opacity: 0; transform: translateY(16px) scale(0.97); }
  to { opacity: 1; transform: none; }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(22px); }
  to { opacity: 1; transform: none; }
}

.hero h1 { color: var(--surface); margin-bottom: 0.7rem; text-wrap: balance; }

.hero-lead {
  color: rgba(245, 244, 242, 0.84);
  font-size: clamp(1.02rem, 2vw, 1.18rem);
  font-weight: 400;
  max-width: 34rem;
  margin: 0 auto 1.85rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  justify-content: center;
}

.hero-scroll {
  position: absolute;
  bottom: 1.4rem;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: rgba(245, 244, 242, 0.5);
  animation: bob 2.4s ease-in-out infinite;
}

@keyframes bob {
  0%, 100% { transform: translate(-50%, 0); opacity: 0.45; }
  50% { transform: translate(-50%, 6px); opacity: 1; }
}

/* ——— Buttons ——— */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.92rem 1.5rem;
  font-family: var(--font-body);
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  border: 1px solid transparent;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.25s var(--ease), background 0.25s, border-color 0.25s, color 0.25s, box-shadow 0.25s;
}

.btn:hover { transform: translateY(-2px); }
.btn:active { transform: none; }

.btn-primary {
  background: var(--bevel);
  color: var(--navy);
  border-color: var(--bronze);
  box-shadow: 0 8px 24px rgba(197, 160, 89, 0.28);
}

.btn-primary:hover {
  background: linear-gradient(145deg, #e0c989, var(--bronze-light) 45%, var(--bronze));
  color: var(--navy);
}

.btn-ghost {
  background: transparent;
  color: var(--surface);
  border-color: rgba(245, 244, 242, 0.32);
}

.btn-ghost:hover {
  border-color: var(--bronze-light);
  color: var(--bronze-light);
}

.btn-whatsapp {
  background: #128c4a;
  color: #fff;
  border-color: #128c4a;
  margin: 0.5rem 0 1.5rem;
}

.btn-whatsapp:hover { background: #0e733c; color: #fff; }

.btn-call {
  background: transparent;
  color: var(--navy);
  border-color: var(--line);
  margin-left: 0.5rem;
}

.btn-call:hover {
  border-color: var(--bronze);
  color: var(--bronze-deep);
}

/* ——— Sections ——— */
.section { padding: clamp(4.5rem, 9vw, 7rem) 0; }

.section-head {
  max-width: 40rem;
  margin-bottom: clamp(2.4rem, 5vw, 3.4rem);
}

.eyebrow {
  font-family: var(--font-body);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--bronze-deep);
  margin: 0 0 0.7rem;
}

.section-lead {
  color: var(--muted);
  font-size: 1.05rem;
  margin: 0;
  max-width: 36rem;
}

/* ——— Ambientes ——— */
.ambientes-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.85rem 1.4rem;
}

.ambiente article { height: 100%; }

.ambiente-visual {
  aspect-ratio: 4 / 3;
  height: auto;
  margin-bottom: 1.1rem;
  background: var(--navy-mid);
  position: relative;
  overflow: hidden;
}

.ambiente-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s var(--ease);
}

.ambiente:hover .ambiente-visual img {
  transform: scale(1.05);
}

.ambiente-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(13, 27, 42, 0.35));
  pointer-events: none;
}

.ambiente h3 { margin-bottom: 0.3rem; }
.ambiente p { color: var(--muted); font-size: 0.96rem; margin: 0; }

/* ——— Sobre ——— */
.sobre {
  background: linear-gradient(180deg, transparent, rgba(13, 27, 42, 0.035), transparent);
}

.sobre-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.sobre-points {
  list-style: none;
  margin-top: 1.4rem;
  display: grid;
  gap: 0.6rem;
}

.sobre-points li {
  position: relative;
  padding-left: 1.3rem;
  font-weight: 600;
  color: var(--navy);
}

.sobre-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 0.5rem;
  height: 0.5rem;
  background: var(--bevel);
}

.sobre-panel {
  min-height: 280px;
  padding: clamp(1.75rem, 4vw, 2.5rem);
  background: linear-gradient(155deg, var(--navy) 0%, var(--navy-mid) 55%, #2c3a4d 100%);
  color: var(--surface);
  display: flex;
  align-items: flex-end;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}

.sobre-panel::before {
  content: "";
  position: absolute;
  inset: auto -15% -25% 25%;
  height: 75%;
  background: radial-gradient(circle, rgba(197, 160, 89, 0.38), transparent 65%);
  pointer-events: none;
}

.sobre-panel blockquote { margin: 0; position: relative; z-index: 1; }

.sobre-panel p {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.4vw, 1.75rem);
  font-weight: 600;
  line-height: 1.28;
  color: var(--surface);
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.sobre-panel footer {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--bronze-light);
  letter-spacing: 0.06em;
}

/* ——— Portfólio ——— */
.portfolio {
  background: var(--navy);
  color: var(--surface);
}

.portfolio .section-head h2,
.portfolio .eyebrow { color: var(--bronze-light); }
.portfolio .section-head h2 { color: var(--surface); }
.portfolio .section-lead { color: rgba(245, 244, 242, 0.7); }

.portfolio-grid {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.portfolio-item figure {
  margin: 0;
  position: relative;
  aspect-ratio: 4 / 3;
  background:
    linear-gradient(145deg, var(--navy-soft), var(--navy-mid) 60%, rgba(197, 160, 89, 0.25));
  overflow: hidden;
  border: 1px solid rgba(197, 160, 89, 0.2);
}

.portfolio-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s var(--ease);
}

.portfolio-item:hover img {
  transform: scale(1.06);
}

.portfolio-item button {
  display: block;
  width: 100%;
  height: 100%;
  padding: 0;
  border: 0;
  background: none;
  cursor: zoom-in;
}

.portfolio-placeholder {
  position: absolute;
  inset: 0;
  display: grid;
  place-content: center;
  text-align: center;
  padding: 1.25rem;
  gap: 0.35rem;
}

.portfolio-placeholder span {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--bronze-light);
  letter-spacing: -0.02em;
}

.portfolio-placeholder small {
  color: rgba(245, 244, 242, 0.5);
  font-size: 0.82rem;
}

.portfolio-item figcaption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 0.75rem 1rem;
  background: linear-gradient(transparent, rgba(13, 27, 42, 0.85));
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--surface);
}

.portfolio-note {
  margin-top: 1.5rem;
  font-size: 0.92rem;
  color: rgba(245, 244, 242, 0.55);
}

.page-gallery {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin: 2.4rem 0 0;
}

.page-gallery figure {
  margin: 0;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--navy-mid);
}

.page-gallery img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s var(--ease);
}

.page-gallery button {
  display: block;
  width: 100%;
  height: 100%;
  padding: 0;
  border: 0;
  background: none;
  cursor: zoom-in;
}

.page-gallery li:hover img {
  transform: scale(1.05);
}

.lightbox {
  border: 0;
  padding: 0;
  max-width: min(96vw, 1100px);
  max-height: 92vh;
  background: transparent;
  position: relative;
}

.lightbox::backdrop {
  background: rgba(10, 21, 32, 0.88);
}

.lightbox img {
  max-width: 96vw;
  max-height: 88vh;
  width: auto;
  height: auto;
  object-fit: contain;
}

.lightbox-close {
  position: absolute;
  top: 0.6rem;
  right: 0.8rem;
  width: 2.4rem;
  height: 2.4rem;
  border: 0;
  border-radius: 0;
  background: var(--navy);
  color: var(--surface);
  font-size: 1.4rem;
  cursor: pointer;
}

/* ——— Processo ——— */
.processo-steps {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.processo-steps li {
  padding-top: 0.35rem;
  border-top: 2px solid var(--bronze);
}

.step-num {
  display: block;
  font-family: var(--font-display);
  font-size: 1.85rem;
  font-weight: 700;
  color: var(--bronze);
  margin-bottom: 0.7rem;
  line-height: 1;
  letter-spacing: -0.04em;
}

.processo-steps p {
  color: var(--muted);
  font-size: 0.94rem;
  margin: 0;
}

/* ——— Região ——— */
.regiao-wrap {
  padding: clamp(1.75rem, 4vw, 2.5rem);
  background: var(--navy);
  color: rgba(245, 244, 242, 0.88);
  box-shadow: var(--shadow);
}

.regiao-intro {
  max-width: 48rem;
  margin-bottom: 1.5rem;
  font-size: 1.04rem;
}

.regiao-intro strong {
  color: var(--bronze-light);
  font-weight: 700;
}

.regiao-tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.regiao-tags li {
  padding: 0.4rem 0.85rem;
  border: 1px solid rgba(197, 160, 89, 0.35);
  color: var(--surface);
  font-size: 0.86rem;
  font-weight: 600;
}

/* ——— FAQ ——— */
.faq-list {
  max-width: 46rem;
  display: grid;
  gap: 0.55rem;
}

.faq-list details {
  border-bottom: 1px solid var(--line);
  padding: 0.25rem 0 0.8rem;
}

.faq-list summary {
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--navy);
  font-size: 1.08rem;
  letter-spacing: -0.02em;
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.65rem 0;
}

.faq-list summary::-webkit-details-marker { display: none; }

.faq-list summary::after {
  content: "+";
  font-size: 1.35rem;
  color: var(--bronze);
  line-height: 1;
  flex-shrink: 0;
}

.faq-list details[open] summary::after { content: "–"; }

.faq-list details p {
  color: var(--muted);
  margin: 0 0 0.45rem;
  padding-right: 1.5rem;
}

/* ——— Contato ——— */
.contato {
  background: linear-gradient(180deg, transparent, rgba(13, 27, 42, 0.04));
}

.contato-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 3.5rem);
  align-items: start;
}

.contato-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin: 0.5rem 0 1.5rem;
}

.contato-actions .btn-whatsapp { margin: 0; }

.contato-meta {
  list-style: none;
  display: grid;
  gap: 1rem;
}

.contato-meta span {
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--bronze-deep);
  margin-bottom: 0.2rem;
}

.contato-meta strong {
  font-weight: 600;
  color: var(--navy);
}

.contato-meta a {
  text-decoration: none;
  color: inherit;
}

.contato-meta a:hover { color: var(--bronze-deep); }

.contato-form {
  background: var(--white);
  padding: clamp(1.5rem, 3vw, 2rem);
  border: 1px solid var(--line);
  box-shadow: 0 20px 48px rgba(13, 27, 42, 0.08);
}

.form-title { margin-bottom: 1.2rem; font-size: 1.4rem; }

.field { margin-bottom: 1rem; }

.field label {
  display: block;
  font-size: 0.82rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
  color: var(--navy);
}

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 0.75rem 0.85rem;
  border: 1px solid var(--line);
  font: inherit;
  color: var(--ink);
  background: var(--surface);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--bronze);
  box-shadow: 0 0 0 3px rgba(197, 160, 89, 0.22);
}

.contato-form > .btn { width: 100%; margin-top: 0.35rem; }

.form-note {
  margin: 0.85rem 0 0;
  font-size: 0.9rem;
  color: var(--muted);
  min-height: 1.3em;
}

.form-note.is-error { color: #9b2c2c; }
.form-note.is-ok { color: #128c4a; }

/* ——— Footer ——— */
.site-footer {
  background: var(--navy);
  color: rgba(245, 244, 242, 0.7);
  padding: 3.25rem 0 2rem;
}

.footer-inner { text-align: center; }

.footer-brand {
  display: inline-block;
  margin-bottom: 1rem;
}

.footer-brand img {
  height: 3.4rem;
  width: auto;
  margin: 0 auto;
}

.footer-tag {
  max-width: 28rem;
  margin: 0 auto 0.75rem;
  font-size: 0.95rem;
}

.footer-legal {
  font-size: 0.85rem;
  margin: 0 auto 1.25rem;
  color: rgba(245, 244, 242, 0.5);
}

.footer-legal a {
  color: var(--bronze-light);
  text-decoration: none;
}

.footer-legal a:hover { color: var(--surface); }

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.footer-nav a {
  color: var(--bronze-light);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 600;
}

.footer-nav a:hover { color: var(--surface); }

.footer-copy { margin: 0; opacity: 0.6; }

/* ——— Float WA ——— */
.float-wa {
  position: fixed;
  right: 1.15rem;
  bottom: 1.15rem;
  z-index: 90;
  width: 3.4rem;
  height: 3.4rem;
  border-radius: 50%;
  background: #25d366;
  color: #fff;
  display: grid;
  place-items: center;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.25);
  transition: transform 0.25s var(--ease);
  animation: waPulse 2.8s ease-in-out infinite;
}

.float-wa:hover {
  transform: scale(1.06);
  color: #fff;
}

@keyframes waPulse {
  0%, 100% { box-shadow: 0 10px 28px rgba(0, 0, 0, 0.25); }
  50% { box-shadow: 0 10px 28px rgba(37, 211, 102, 0.45); }
}

/* ——— Reveal ——— */
[data-reveal] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  [data-reveal] { opacity: 1; transform: none; }
}

@media (max-width: 960px) {
  .ambientes-list,
  .portfolio-grid,
  .page-gallery { grid-template-columns: repeat(2, 1fr); }
  .processo-steps { grid-template-columns: repeat(2, 1fr); }
  .sobre-grid,
  .contato-grid { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .nav-toggle { display: flex; }

  .nav {
    position: fixed;
    inset: var(--header-h) 0 auto;
    background: rgba(245, 244, 242, 0.98);
    backdrop-filter: blur(12px);
    padding: 1rem 1.25rem 1.5rem;
    border-bottom: 1px solid var(--line);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.35s var(--ease), opacity 0.35s;
  }

  .nav.is-open {
    transform: none;
    opacity: 1;
    pointer-events: auto;
  }

  .nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 0.3rem;
  }

  .nav a { display: block; padding: 0.7rem 0.35rem; }
  .nav-cta { justify-content: center; margin-top: 0.35rem; }

  .site-header {
    background: rgba(245, 244, 242, 0.95);
    backdrop-filter: blur(10px);
  }

  .hero-content { padding-top: 7rem; }
  .btn-call { margin-left: 0; width: 100%; }
}

@media (max-width: 560px) {
  .ambientes-list,
  .processo-steps,
  .portfolio-grid,
  .page-gallery { grid-template-columns: 1fr; }

  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }

  .float-wa { right: 0.85rem; bottom: 0.85rem; }
}