/* =========================================================
   LIORA — styles.css
   Catálogo arquitetônico digital. Editorial, sóbrio, técnico.
   ========================================================= */

/* ---------- Tokens ---------- */
:root{
  --carvao:      #0B0B09;
  --grafite:     #242522;
  --verde:       #163D32;
  --verde-2:     #1C4A3D;
  --marfim:      #F3F0E8;
  --branco:      #F8F6F1;
  --dourado:     #D6B36A;
  --dourado-fraco: rgba(214,179,106,0.35);

  --texto-claro: var(--branco);
  --texto-escuro: var(--carvao);
  --texto-suave-claro: rgba(248,246,241,0.72);
  --texto-suave-escuro: rgba(11,11,9,0.66);

  --serif: 'Cormorant Garamond', 'Times New Roman', Georgia, serif;
  --sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  --container: 1280px;
  --gutter: clamp(24px, 5vw, 96px);

  --dur-slow: 900ms;
  --dur-med: 600ms;
  --dur-fast: 300ms;
  --ease: cubic-bezier(.22,.61,.36,1);
}

/* ---------- Reset ---------- */
*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin: 0;
  background: var(--carvao);
  color: var(--texto-claro);
  font-family: var(--sans);
  font-weight: 300;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img{ max-width: 100%; height: auto; display: block; }
a{ color: inherit; text-decoration: none; }
ul, ol{ margin: 0; padding: 0; list-style: none; }
h1,h2,h3,h4,p{ margin: 0; }
button{ font: inherit; color: inherit; background: none; border: none; cursor: pointer; padding: 0; }
input, textarea{ font: inherit; }

.sr-only{
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

.skip-link{
  position: absolute; left: -9999px; top: 0;
  background: var(--dourado); color: var(--carvao);
  padding: 12px 20px; z-index: 1000; font-family: var(--sans);
  font-weight: 500;
}
.skip-link:focus{ left: 16px; top: 16px; }

:focus-visible{
  outline: 2px solid var(--dourado);
  outline-offset: 3px;
}

/* ---------- Layout helpers ---------- */
.section{
  position: relative;
  padding: clamp(72px, 11vw, 160px) var(--gutter);
}
.section-light{ background: var(--branco); color: var(--texto-escuro); }
.section-ivory{ background: var(--marfim); color: var(--texto-escuro); }
.section-dark{ background: var(--carvao); color: var(--texto-claro); }

.section-grid{
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  gap: clamp(32px, 6vw, 96px);
}
@media (min-width: 900px){
  .section-grid{ grid-template-columns: 1fr 1fr; align-items: center; }
  .recognition-grid{ grid-template-columns: 1.1fr 0.9fr; }
  .form-grid{ grid-template-columns: 0.85fr 1.15fr; }
  .material-grid{ grid-template-columns: 1fr 1fr; }
}

/* ---------- Typography ---------- */
.eyebrow{
  font-family: var(--sans);
  font-size: 0.72rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--dourado);
  margin-bottom: 20px;
  font-weight: 500;
}
.eyebrow-dark{ color: var(--verde); }

.display-title{
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2.1rem, 4.4vw, 3.4rem);
  line-height: 1.12;
  letter-spacing: 0.005em;
  margin-bottom: 28px;
}
.display-title--xl{
  font-size: clamp(3.2rem, 11vw, 7.5rem);
  letter-spacing: 0.06em;
}

.body-text{
  font-size: clamp(1rem, 1.1vw, 1.15rem);
  font-weight: 300;
  max-width: 46ch;
  color: inherit;
  opacity: 0.88;
}
.body-text--center{ max-width: 60ch; margin: 0 auto; text-align: center; opacity: 0.78; }

.hero-tagline{
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(1.3rem, 2.2vw, 1.9rem);
  color: var(--dourado);
  margin: 10px 0 22px;
}

.editorial-line{
  margin-top: 28px;
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  opacity: 0.55;
}

.quote-line{
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(1.2rem, 2vw, 1.6rem);
  color: var(--dourado);
  margin-top: 28px;
}

.caption-label{
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  opacity: 0.6;
  margin-top: 14px;
}

.monumental{
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(3rem, 9vw, 6.4rem);
  letter-spacing: 0.02em;
  color: var(--branco);
  text-align: center;
  margin-bottom: 22px;
}
.monumental--sm{ font-size: clamp(2.6rem, 7vw, 4.8rem); color: var(--verde); text-align: left; margin-bottom: 0;}

.seal-inline{
  margin-top: 22px;
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--dourado);
}

.hero-seal{
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--dourado);
  margin: 22px 0 34px;
  opacity: 0.9;
}

/* ---------- Buttons ---------- */
.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 16px 34px;
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 500;
  white-space: nowrap;
  transition: background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
  min-height: 48px;
  border: 1px solid currentColor;
}
.btn-solid{
  background: var(--dourado);
  border-color: var(--dourado);
  color: var(--carvao);
}
.btn-solid:hover{ background: transparent; color: var(--dourado); }
.btn-outline{
  background: transparent;
  border-color: var(--texto-escuro);
  color: var(--texto-escuro);
}
.btn-outline:hover{ background: var(--texto-escuro); color: var(--branco); }
.btn-on-dark.btn-outline{ border-color: var(--branco); color: var(--branco); }
.btn-on-dark.btn-outline:hover{ background: var(--branco); color: var(--carvao); }

/* ---------- Header ---------- */
.site-header{
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 700;
  background: transparent;
  transition: background var(--dur-med) var(--ease), box-shadow var(--dur-med) var(--ease), padding var(--dur-med) var(--ease);
}
.site-header.is-scrolled{
  background: rgba(11,11,9,0.92);
  backdrop-filter: saturate(140%) blur(10px);
  box-shadow: 0 1px 0 rgba(214,179,106,0.18);
}
.header-inner{
  max-width: var(--container);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px var(--gutter);
  transition: padding var(--dur-med) var(--ease);
}
.site-header.is-scrolled .header-inner{ padding-top: 14px; padding-bottom: 14px; }

.brand-logo{ height: 26px; width: auto; max-width: none; flex-shrink: 0; }
.header-inner .brand{ margin-right: clamp(24px, 4vw, 56px); flex-shrink: 0; }

.main-nav{ min-width: 0; }
.main-nav ul{ display: flex; gap: clamp(10px, 1.3vw, 26px); flex-wrap: nowrap; }
.main-nav a{
  font-size: clamp(0.62rem, 0.9vw, 0.72rem);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--branco);
  opacity: 0.82;
  position: relative;
  padding-bottom: 4px;
  white-space: nowrap;
}
.main-nav a::after{
  content: "";
  position: absolute; left: 0; right: 100%; bottom: 0;
  height: 1px; background: var(--dourado);
  transition: right var(--dur-fast) var(--ease);
}
.main-nav a:hover{ opacity: 1; }
.main-nav a:hover::after,
.main-nav a.is-active::after{ right: 0; }
.main-nav a.is-active{ opacity: 1; color: var(--dourado); }

.header-cta{
  padding: 12px 22px;
  border-color: var(--branco); color: var(--branco);
  flex-shrink: 0;
  white-space: nowrap;
  margin-left: clamp(16px, 2vw, 32px);
}
.header-cta:hover{ background: var(--branco); color: var(--carvao); }

.menu-toggle{
  display: none;
  width: 32px; height: 22px;
  position: relative;
  flex-direction: column;
  justify-content: space-between;
}
.menu-toggle span{
  display: block; height: 1px; width: 100%;
  background: var(--branco);
  transition: transform var(--dur-fast) var(--ease), opacity var(--dur-fast) var(--ease);
}
.menu-toggle[aria-expanded="true"] span:nth-child(1){ transform: translateY(10px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2){ opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3){ transform: translateY(-10px) rotate(-45deg); }

.mobile-menu{
  position: fixed; inset: 0;
  background: var(--carvao);
  padding: 100px var(--gutter) 40px;
  transform: translateY(-100%);
  transition: transform var(--dur-med) var(--ease);
  z-index: 600;
  overflow-y: auto;
}
.mobile-menu.is-open{ transform: translateY(0); }
.mobile-menu ul{ display: flex; flex-direction: column; gap: 22px; margin-bottom: 40px; }
.mobile-menu a{
  font-family: var(--serif);
  font-size: 1.7rem;
  color: var(--branco);
}
.mobile-cta{ width: 100%; }

/* ---------- Hero ---------- */
.hero{
  position: relative;
  min-height: 96vh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  background: var(--carvao);
}
.hero-media{
  position: absolute; inset: 0;
  will-change: transform;
}
.hero-media img{
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: 72% center;
}
.hero-scrim{
  position: absolute; inset: 0;
  background: linear-gradient(0deg, rgba(11,11,9,0.92) 0%, rgba(11,11,9,0.45) 42%, rgba(11,11,9,0.18) 68%, rgba(11,11,9,0.32) 100%);
}
.hero-content{
  position: relative;
  z-index: 2;
  max-width: 720px;
  padding: 0 var(--gutter) clamp(64px, 9vw, 110px);
}
.hero-title{
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(3.4rem, 11vw, 7rem);
  letter-spacing: 0.03em;
  line-height: 1;
  margin: 14px 0 6px;
}
.hero-text{
  font-size: clamp(0.95rem, 1.2vw, 1.1rem);
  max-width: 46ch;
  opacity: 0.82;
}
.hero-ctas{ display: flex; flex-wrap: wrap; gap: 16px; margin-top: 8px; }

.scroll-hint{
  position: absolute;
  left: var(--gutter); bottom: 28px;
  width: 1px; height: 46px;
  background: linear-gradient(180deg, var(--dourado), transparent);
  z-index: 2;
}

/* ---------- Reveal animation ---------- */
.reveal{
  opacity: 0;
  transform: translateY(26px);
  transition: opacity var(--dur-slow) var(--ease), transform var(--dur-slow) var(--ease);
}
.reveal.is-visible{ opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  .reveal{ opacity: 1; transform: none; transition: none; }
  .hero-media{ transform: none !important; }
  *{ animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

/* ---------- Recognition (02) ---------- */
.recognition-image img{ width: 100%; }

/* ---------- Concept (03) ---------- */
.concept-image img{ width: 100%; }

/* ---------- Form/Design (04) ---------- */
.numbered-list{ margin-top: 30px; display: flex; flex-direction: column; gap: 14px; }
.numbered-list li{
  display: flex; align-items: baseline; gap: 16px;
  font-size: 0.95rem; letter-spacing: 0.03em;
  border-bottom: 1px solid rgba(11,11,9,0.12);
  padding-bottom: 14px;
}
.numbered-list .num{
  font-family: var(--serif); color: var(--verde);
  font-size: 1.1rem; min-width: 28px;
}

/* ---------- Komorebi (05) ---------- */
.section-immersive{
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: clamp(72px, 11vw, 160px) var(--gutter);
  background: var(--carvao);
  overflow: hidden;
}
.immersive-media{
  position: absolute; inset: 0;
}
.immersive-media img{
  width: 100%; height: 100%; object-fit: cover;
  opacity: 0.85;
}
.section-immersive::before{
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(11,11,9,0.94) 0%, rgba(11,11,9,0.72) 32%, rgba(11,11,9,0.28) 62%, rgba(11,11,9,0.55) 100%);
  z-index: 1;
}
.immersive-content{
  position: relative; z-index: 2;
  max-width: 620px;
}

/* ---------- Tecnologia / CCT (06) ---------- */
.section-light-tech{ text-align: center; }
.tech-content{ max-width: 780px; margin: 0 auto; }
.cct-scale{
  display: flex; align-items: center; gap: 18px;
  max-width: 620px; margin: 36px auto 10px;
}
.cct-bar{
  flex: 1; height: 2px; border-radius: 2px;
  background: linear-gradient(90deg, #FFB25E 0%, #F3F0E8 55%, #BFD8FF 100%);
  position: relative;
}
.cct-bar::before, .cct-bar::after{
  content:""; position:absolute; top:50%; width:1px; height:10px;
  background: rgba(248,246,241,0.5); transform: translateY(-50%);
}
.cct-bar::before{ left:0; } .cct-bar::after{ right:0; }
.cct-label{ font-size: 0.85rem; letter-spacing: 0.08em; opacity: 0.85; }
.cct-captions{
  display: flex; justify-content: space-between;
  max-width: 620px; margin: 0 auto 34px;
  font-size: 0.68rem; letter-spacing: 0.24em; text-transform: uppercase; opacity: 0.5;
}
.spec-inline{
  display: flex; flex-wrap: wrap; justify-content: center; gap: 10px 28px;
  font-size: 0.78rem; letter-spacing: 0.1em; text-transform: uppercase; opacity: 0.72;
  border-top: 1px solid rgba(248,246,241,0.14);
  padding-top: 26px;
}

/* ---------- Acústica (07) ---------- */
.acoustic-number{ text-align: left; }

/* ---------- Materialidade (08) ---------- */
.tag-list{ display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.tag-list li{
  font-size: 0.68rem; letter-spacing: 0.14em; text-transform: uppercase;
  border: 1px solid var(--dourado-fraco); color: var(--dourado);
  padding: 9px 16px;
}
.material-image img{ width: 100%; }

/* ---------- Engenharia (09) ---------- */
.engineering-head{ max-width: 680px; margin: 0 auto 56px; text-align: center; }
.engineering-head .body-text{ margin: 0 auto; }
.engineering-lines{
  max-width: var(--container); margin: 0 auto;
  display: flex; flex-direction: column;
}
.eng-line{
  display: grid;
  grid-template-columns: 60px 1fr auto;
  align-items: baseline;
  gap: 20px;
  padding: 26px 0;
  border-top: 1px solid rgba(11,11,9,0.14);
}
.engineering-lines .eng-line:last-child{ border-bottom: 1px solid rgba(11,11,9,0.14); }
.eng-line .num{ font-family: var(--serif); font-size: 1.3rem; color: var(--verde); }
.eng-title{ font-size: 1rem; letter-spacing: 0.02em; }
.eng-value{ font-size: 0.85rem; letter-spacing: 0.06em; opacity: 0.6; font-variant-numeric: tabular-nums; }

/* ---------- Desenho técnico (10) ---------- */
.technical-head{ text-align: center; margin-bottom: 44px; }
.technical-frame{
  display: block; position: relative;
  max-width: 1100px; margin: 0 auto;
  border: 1px solid rgba(11,11,9,0.14);
  cursor: zoom-in;
}
.technical-frame img{ width: 100%; }
.zoom-hint{
  position: absolute; right: 18px; bottom: 18px;
  font-size: 0.66rem; letter-spacing: 0.16em; text-transform: uppercase;
  background: rgba(11,11,9,0.78); color: var(--branco);
  padding: 8px 14px;
  opacity: 0; transition: opacity var(--dur-fast) var(--ease);
}
.technical-frame:hover .zoom-hint,
.technical-frame:focus-visible .zoom-hint{ opacity: 1; }
.technical-dims{
  text-align: center; margin-top: 24px;
  font-size: 0.85rem; letter-spacing: 0.12em; opacity: 0.6;
}

/* ---------- Aplicações / Galeria (11) ---------- */
.applications-head{ text-align: center; max-width: 680px; margin: 0 auto 56px; }
.gallery-grid{
  max-width: var(--container); margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(10px, 1.6vw, 22px);
}
.gallery-item{
  position: relative;
  display: block;
  overflow: hidden;
  aspect-ratio: 4/3;
  cursor: zoom-in;
}
/* Grid editorial assimétrico e determinístico a partir de 900px:
   [ A (alto, 2 linhas) | B (largo)      ]
   [ A                  | C     |  D     ] */
@media (min-width: 900px){
  .gallery-grid{
    grid-template-columns: 1.1fr 0.85fr 0.85fr;
    grid-template-rows: clamp(220px, 24vw, 300px) clamp(220px, 24vw, 300px);
  }
  .gallery-item{ aspect-ratio: auto; height: 100%; }
  .gallery-item:nth-child(1){ grid-column: 1; grid-row: 1 / 3; }
  .gallery-item:nth-child(2){ grid-column: 2 / 4; grid-row: 1; }
  .gallery-item:nth-child(3){ grid-column: 2; grid-row: 2; }
  .gallery-item:nth-child(4){ grid-column: 3; grid-row: 2; }
}
.gallery-item img{
  width: 100%; height: 100%; object-fit: cover;
  transition: transform var(--dur-med) var(--ease);
}
.gallery-item:hover img, .gallery-item:focus-visible img{ transform: scale(1.03); }
.gallery-caption{
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 16px 18px;
  font-size: 0.68rem; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--branco);
  background: linear-gradient(0deg, rgba(11,11,9,0.75), transparent);
  text-align: left;
}

/* ---------- Detalhe (12) ---------- */
.section-detail{
  position: relative;
  padding: 0;
  min-height: 90vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--carvao);
}
.detail-media{ position: absolute; inset: 0; }
.detail-media img{ width: 100%; height: 100%; object-fit: cover; }
.section-detail::before{
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(0deg, rgba(11,11,9,0.9) 10%, rgba(11,11,9,0.35) 55%, rgba(11,11,9,0.75) 100%);
}
.detail-content{
  position: relative; z-index: 1;
  max-width: 620px;
  padding: clamp(64px, 10vw, 130px) var(--gutter);
}

/* ---------- Especificações (13) ---------- */
.specs-head{ text-align: center; max-width: 680px; margin: 0 auto 40px; }
.specs-table-wrap{ max-width: 900px; margin: 0 auto; }
.specs-table{
  width: 100%;
  border-collapse: collapse;
}
.specs-table tr{ border-bottom: 1px solid rgba(11,11,9,0.14); }
.specs-table tr:first-child{ border-top: 1px solid rgba(11,11,9,0.14); }
.specs-table th, .specs-table td{
  text-align: left;
  padding: 22px 12px;
  font-weight: 300;
  vertical-align: top;
}
.specs-table th{
  width: 30%;
  font-family: var(--sans);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--verde);
  font-weight: 500;
}
.specs-table td{ font-size: 0.98rem; opacity: 0.82; }
.specs-footer{
  text-align: center; margin-top: 44px;
  font-size: 0.7rem; letter-spacing: 0.2em; text-transform: uppercase; opacity: 0.55;
}

/* ---------- Versatilidade (14) ---------- */
.feature-list{ margin-top: 30px; display: flex; flex-direction: column; gap: 22px; }
.feature-list li{ border-top: 1px solid rgba(248,246,241,0.14); padding-top: 18px; display: flex; flex-direction: column; gap: 6px; }
.feature-title{ font-family: var(--serif); font-size: 1.15rem; color: var(--dourado); }
.feature-desc{ font-size: 0.92rem; opacity: 0.72; max-width: 42ch; }
.versatility-image img{ width: 100%; filter: none; }

/* ---------- CTA Final + Contato (15) ---------- */
.cta-final{
  position: relative;
  padding: 0;
  background: var(--carvao);
}
.cta-final-media{ position: absolute; inset: 0; height: 100%; }
.cta-final-media img{ width: 100%; height: 100%; object-fit: cover; opacity: 0.55; }
.cta-final-scrim{
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(11,11,9,0.88) 0%, rgba(11,11,9,0.6) 40%, var(--carvao) 100%);
}
.cta-final-content{
  position: relative; z-index: 1;
  text-align: center;
  max-width: 640px; margin: 0 auto;
  padding: clamp(90px, 14vw, 160px) var(--gutter) clamp(60px, 8vw, 100px);
}
.brand-mark{
  font-family: var(--serif);
  font-size: clamp(2.2rem, 5vw, 3.2rem);
  letter-spacing: 0.3em;
  color: var(--dourado);
  margin-bottom: 26px;
}
.cta-final-words{
  font-family: var(--serif);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  line-height: 1.25;
  margin-bottom: 8px;
}

.contact-form-wrap{
  position: relative; z-index: 1;
  max-width: 640px; margin: 0 auto;
  padding: 0 var(--gutter) clamp(90px, 12vw, 140px);
  scroll-margin-top: 110px;
}
.form-title{
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  text-align: center; margin-bottom: 10px;
}
.form-subtitle{
  text-align: center; opacity: 0.7;
  max-width: 46ch; margin: 0 auto 40px;
  font-size: 0.95rem;
}
.whatsapp-cta{
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  width: 100%;
}
.whatsapp-icon{ flex-shrink: 0; }

/* ---------- Footer ---------- */
.site-footer{
  background: var(--carvao);
  border-top: 1px solid rgba(214,179,106,0.16);
  padding: 56px var(--gutter) 40px;
}
.footer-inner{
  max-width: var(--container); margin: 0 auto;
  display: flex; flex-direction: column; align-items: center; gap: 26px;
  text-align: center;
}
.footer-logo{ height: 22px; width: auto; max-width: none; opacity: 0.9; }
.footer-nav{ display: flex; flex-wrap: wrap; justify-content: center; gap: 18px 26px; }
.footer-nav a{ font-size: 0.68rem; letter-spacing: 0.14em; text-transform: uppercase; opacity: 0.6; }
.footer-nav a:hover{ opacity: 1; color: var(--dourado); }
.footer-seal{ font-size: 0.68rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--dourado); opacity: 0.85; }
.footer-copy{ font-size: 0.72rem; opacity: 0.4; }

/* ---------- Lightbox ---------- */
.lightbox{
  position: fixed; inset: 0;
  background: rgba(11,11,9,0.96);
  display: flex; align-items: center; justify-content: center;
  padding: 40px;
  z-index: 1000;
  opacity: 0; visibility: hidden;
  transition: opacity var(--dur-fast) var(--ease);
}
.lightbox.is-open{ opacity: 1; visibility: visible; }
.lightbox-figure{ margin: 0; max-width: 1300px; max-height: 90vh; }
.lightbox-figure img{ max-width: 100%; max-height: 90vh; object-fit: contain; margin: 0 auto; }
.lightbox-close{
  position: absolute; top: 24px; right: 28px;
  font-size: 2.2rem; line-height: 1; color: var(--branco);
  width: 44px; height: 44px;
}

/* =========================================================
   RESPONSIVE
   ========================================================= */

/* Notebook 1024 */
@media (max-width: 1024px){
  .main-nav{ display: none; }
  .header-cta{ display: none; }
  .menu-toggle{ display: flex; }
}

/* Tablet 768 */
@media (max-width: 768px){
  .section-grid{ grid-template-columns: 1fr !important; }
  .form-grid .form-image{ order: -1; }
  .form-row--split{ grid-template-columns: 1fr; }
  .eng-line{ grid-template-columns: 40px 1fr; row-gap: 6px; }
  .eng-value{ grid-column: 2; }
  .specs-table th{ width: 38%; }
}

/* Mobile 390 / 320 */
@media (max-width: 480px){
  :root{ --gutter: 20px; }
  .hero{ min-height: 100vh; align-items: flex-end; }
  .hero-content{ padding-bottom: 56px; }
  .hero-ctas{ flex-direction: column; align-items: stretch; }
  .hero-ctas .btn{ width: 100%; }
  .gallery-grid{ grid-template-columns: 1fr; }
  .gallery-item, .gallery-item--tall{ aspect-ratio: 4/3; grid-row: auto; }
  .cct-scale, .cct-captions{ max-width: 100%; }
  .spec-inline{ gap: 8px 16px; font-size: 0.7rem; }
  .monumental{ font-size: clamp(2.4rem, 14vw, 4rem); }
  .display-title--xl{ font-size: clamp(2.6rem, 18vw, 5rem); }
  .btn{ padding: 15px 24px; }
  .specs-table th, .specs-table td{ padding: 16px 8px; font-size: 0.9rem; }
}

@media (max-width: 340px){
  .brand-logo{ height: 20px; }
}