/* Reset e base */
:root {
  --color-primary: #063f43;
  --color-primary-deep: #032f33;
  --color-accent: #a88a5b;
  --color-dark: #172326;
  --color-light: #f7f5f0;
  --color-white: #ffffff;
  --color-muted: #5e6968;
  --color-border: #d8d8d2;
  --shadow-soft: 0 18px 48px rgba(7, 35, 36, .12);
  --radius-lg: 2px;
  --radius-md: 2px;
  --container: 1320px;
  --header-height: 96px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-height); }
body { margin: 0; color: var(--color-dark); background: var(--color-white); font-family: Arial, Helvetica, sans-serif; font-size: 16px; line-height: 1.7; overflow-x: hidden; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
h1, h2, h3, p { margin-top: 0; }
h1, h2 { font-family: Georgia, 'Times New Roman', serif; font-weight: 400; letter-spacing: -.035em; line-height: 1.06; }
h1 { font-size: clamp(3rem, 5.3vw, 6.3rem); }
h2 { margin-bottom: 25px; font-size: clamp(2.2rem, 3.4vw, 4.25rem); }
h3 { line-height: 1.35; }
p { color: var(--color-muted); }
.container { width: min(calc(100% - 80px), var(--container)); margin-inline: auto; }
.skip-link { position: fixed; z-index: 9999; top: 10px; left: 10px; padding: 10px 16px; color: #fff; background: var(--color-primary); transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }
.eyebrow { margin-bottom: 18px; color: var(--color-primary); font-size: .72rem; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; }
.eyebrow-light { color: rgba(255,255,255,.76); }

/* Botões */
.btn { display: inline-flex; min-height: 50px; align-items: center; justify-content: center; gap: 18px; padding: 13px 27px; border: 1px solid transparent; border-radius: var(--radius-md); font-size: .72rem; font-weight: 700; letter-spacing: .08em; line-height: 1.2; text-transform: uppercase; transition: color .25s ease, background .25s ease, border-color .25s ease, transform .25s ease; }
.btn:hover { transform: translateY(-2px); }
.btn i { font-size: .9rem; }
.btn-primary { color: #fff; background: var(--color-primary); }
.btn-primary:hover { background: #0a5559; }
.btn-outline-light { color: #fff; border-color: rgba(255,255,255,.72); background: rgba(3,37,39,.12); }
.btn-outline-light:hover { color: var(--color-primary); background: #fff; border-color: #fff; }
.btn-small { min-height: 42px; padding: 11px 18px; }

/* Cabeçalho */
.site-header { position: sticky; z-index: 1000; top: 0; height: var(--header-height); background: rgba(255,255,255,.97); border-bottom: 1px solid rgba(15,63,66,.1); backdrop-filter: blur(12px); }
.header-inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.brand { display: inline-flex; align-items: center; flex: 0 0 auto; }
.brand img { width: 220px; height: auto; }
.main-nav { display: flex; align-items: center; gap: clamp(18px, 2vw, 35px); }
.main-nav > a:not(.btn) { position: relative; padding-block: 11px; color: #263436; font-size: .7rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; }
.main-nav > a:not(.btn)::after { content: ''; position: absolute; right: 0; bottom: 5px; left: 0; height: 1px; background: var(--color-primary); transform: scaleX(0); transform-origin: right; transition: transform .25s ease; }
.main-nav > a:not(.btn):hover::after { transform: scaleX(1); transform-origin: left; }
.menu-toggle { display: none; width: 46px; height: 46px; color: #fff; background: var(--color-primary); border: 0; border-radius: 2px; cursor: pointer; }

/* Hero */
.hero { min-height: calc(100vh - var(--header-height)); display: grid; align-items: center; color: #fff; background-image: linear-gradient(90deg, rgba(0,18,18,.88) 0%, rgba(0,20,20,.62) 37%, rgba(0,20,20,.10) 70%), url('../img/hero-residencia.webp'); background-position: center; background-repeat: no-repeat; background-size: cover; }
.hero-content { padding-block: 90px; }
.hero-copy { max-width: 680px; }
.hero-copy h1 { margin-bottom: 28px; color: #fff; }
.hero-copy > p:not(.eyebrow) { max-width: 535px; margin-bottom: 38px; color: rgba(255,255,255,.84); font-size: 1.02rem; }

/* Seções divididas */
.split-section { min-height: 660px; display: grid; grid-template-columns: 1fr 1fr; }
.split-copy { display: grid; place-items: center; padding: 80px max(40px, calc((100vw - var(--container)) / 2)); padding-right: clamp(45px, 6vw, 110px); background: var(--color-light); }
.content-narrow { max-width: 610px; }
.content-narrow > p:not(.eyebrow) { margin-bottom: 24px; }
.split-image { min-height: 100%; margin: 0; overflow: hidden; }
.split-image img { width: 100%; height: 100%; object-fit: cover; }
.highlights { display: grid; grid-template-columns: repeat(4, 1fr); gap: 25px; margin-top: 46px; }
.highlight i { min-height: 37px; display: block; margin-bottom: 10px; color: var(--color-primary); font-size: 1.75rem; }
.highlight strong, .highlight span { display: block; }
.highlight strong { color: #273537; font-size: .71rem; text-transform: uppercase; }
.highlight span { color: var(--color-muted); font-size: .7rem; }

/* Projetos */
.section-dark { color: #fff; background: var(--color-primary-deep); }
.projects { padding: 75px 0 82px; }
.section-dark h2, .section-dark h3 { color: #fff; }
.section-heading-row { display: flex; align-items: end; justify-content: space-between; gap: 30px; margin-bottom: 35px; }
.section-heading h2 { margin-bottom: 0; }
.project-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.project-card { margin: 0; }
.project-card img { width: 100%; aspect-ratio: 1.65; margin-bottom: 20px; object-fit: cover; transition: transform .45s ease, filter .45s ease; }
.project-card:hover img { transform: translateY(-5px); filter: brightness(1.06); }
.project-card .eyebrow { margin-bottom: 6px; font-size: .62rem; }
.project-card h3 { margin: 0; font-size: .91rem; font-weight: 400; }

/* Projeto residencial real */
.featured-project { padding: 90px 0; background: var(--color-light); }
.featured-project-intro { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(50px, 7vw, 110px); align-items: center; }
.featured-project-copy { max-width: 530px; }
.featured-project-copy > p:not(.eyebrow) { margin-bottom: 30px; }
.project-features { display: grid; gap: 12px; margin: 0; padding: 0; color: var(--color-muted); list-style: none; font-size: .88rem; }
.project-features li { display: flex; align-items: center; gap: 13px; }
.project-features i { color: var(--color-primary); }
.gallery-item { position: relative; display: block; width: 100%; padding: 0; overflow: hidden; color: #fff; background: #e4e2dc; border: 0; cursor: zoom-in; }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease, filter .5s ease; }
.gallery-item:hover img, .gallery-item:focus-visible img { transform: scale(1.025); filter: brightness(.82); }
.gallery-item:focus-visible { outline: 3px solid var(--color-accent); outline-offset: 4px; }
.gallery-cover { height: 500px; }
.gallery-zoom { position: absolute; right: 18px; bottom: 18px; width: 42px; height: 42px; display: grid; place-items: center; background: rgba(3,47,51,.86); opacity: 0; transform: translateY(8px); transition: opacity .25s ease, transform .25s ease; }
.gallery-item:hover .gallery-zoom, .gallery-item:focus-visible .gallery-zoom { opacity: 1; transform: none; }
.project-gallery { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-top: 10px; }
.project-gallery .gallery-item { aspect-ratio: 1.35; }

/* Processo */
.check-list { display: grid; gap: 12px; margin: 35px 0 0; padding: 0; list-style: none; color: var(--color-muted); font-size: .9rem; }
.check-list li { display: flex; align-items: center; gap: 14px; }
.check-list i { color: var(--color-primary); }

/* Filosofia */
.philosophy { min-height: 440px; display: grid; place-items: center; padding: 80px 0; text-align: center; color: #fff; background-image: linear-gradient(rgba(2,32,34,.57), rgba(2,32,34,.68)), url('../img/floresta-filosofia.webp'); background-position: center; background-size: cover; }
.philosophy-inner { max-width: 900px; }
.philosophy h2 { color: #fff; }
.philosophy p:not(.eyebrow) { max-width: 680px; margin: 0 auto 32px; color: rgba(255,255,255,.85); }

/* Arquiteto */
.architect { padding: 82px 0; background: var(--color-light); }
.architect-grid { display: grid; grid-template-columns: minmax(290px, .75fr) 1.35fr; gap: clamp(55px, 8vw, 120px); align-items: center; }
.architect-photo { max-width: 470px; height: 540px; margin: 0; overflow: hidden; background: #2c2c2c; }
.architect-photo img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 24%; }
.architect-photo.logo-wall-photo img { object-position: 58% center; }
.architect-copy { max-width: 740px; }
.architect-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 35px; margin-top: 42px; }
.architect-stats div { display: grid; }
.architect-stats i { margin-bottom: 12px; color: var(--color-primary); font-size: 1.85rem; }
.architect-stats strong { font-size: .77rem; text-transform: uppercase; }
.architect-stats span { color: var(--color-muted); font-size: .72rem; }

/* Depoimento */
.testimonial { padding: 70px 0; color: #fff; background: #0a4a4d; }
.testimonial-inner { max-width: 940px; text-align: center; }
.testimonial-inner > i { margin-bottom: 20px; color: rgba(255,255,255,.32); font-size: 2.4rem; }
.testimonial blockquote { margin: 0 0 24px; font-family: Georgia, 'Times New Roman', serif; font-size: clamp(1.5rem, 2.4vw, 2.35rem); line-height: 1.35; }
.testimonial p { margin: 0; color: #fff; }
.testimonial p span { display: block; color: rgba(255,255,255,.65); font-size: .75rem; text-transform: uppercase; letter-spacing: .1em; }

/* Serviços */
.services { padding: 75px 0; border-bottom: 1px solid var(--color-border); }
.services-layout { display: grid; grid-template-columns: .9fr 2.1fr; gap: 55px; align-items: start; }
.service-grid { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--color-border); }
.service-card { min-height: 300px; padding: 42px 30px; border-right: 1px solid var(--color-border); transition: color .3s ease, background .3s ease, transform .3s ease; }
.service-card:last-child { border-right: 0; }
.service-card:hover { color: #fff; background: var(--color-primary); transform: translateY(-4px); }
.service-card i { margin-bottom: 30px; color: var(--color-primary); font-size: 2.15rem; transition: color .3s ease; }
.service-card h3 { font-size: .82rem; text-transform: uppercase; }
.service-card p { margin: 0; font-size: .82rem; line-height: 1.6; transition: color .3s ease; }
.service-card:hover i, .service-card:hover p { color: rgba(255,255,255,.8); }

/* Portfólio */
.portfolio { padding: 34px 0; background: var(--color-light); }
.portfolio-layout { display: grid; grid-template-columns: .9fr 2.1fr; gap: 55px; align-items: center; }
.portfolio-title h2 { margin: 0; font-size: clamp(2rem, 3vw, 3.6rem); }
.portfolio-strip { position: relative; display: grid; grid-template-columns: repeat(3, 1fr); overflow: hidden; }
.portfolio-strip img { width: 100%; aspect-ratio: 1.35; object-fit: cover; }
.portfolio-strip .btn { position: absolute; right: 0; bottom: 0; }

/* Projeto em vídeo */
.project-video { padding: 88px 0; color: #fff; background: var(--color-primary-deep); }
.project-video-grid { display: grid; grid-template-columns: .75fr 1.25fr; gap: clamp(50px, 7vw, 105px); align-items: center; }
.project-video h2 { color: #fff; }
.project-video-copy > p:not(.eyebrow) { color: rgba(255,255,255,.76); }
.video-note { display: flex; align-items: center; gap: 12px; margin-top: 30px; font-size: .8rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.video-note i { color: #fff; font-size: 1.35rem; }
.video-frame { position: relative; background: #071719; box-shadow: 0 24px 60px rgba(0,0,0,.3); }
.video-frame video { width: 100%; height: auto; display: block; aspect-ratio: 720 / 406; object-fit: cover; }

/* FAQ */
.faq { padding: 90px 0; }
.faq-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 90px; }
.faq-intro p:last-child { max-width: 450px; }
.faq-list { border-top: 1px solid var(--color-border); }
.faq-item { border-bottom: 1px solid var(--color-border); }
.faq-item summary { display: flex; align-items: center; justify-content: space-between; gap: 25px; padding: 24px 3px; color: #253638; font-family: Georgia, 'Times New Roman', serif; font-size: 1.25rem; cursor: pointer; list-style: none; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary i { color: var(--color-primary); font-size: .85rem; transition: transform .25s ease; }
.faq-item[open] summary i { transform: rotate(180deg); }
.faq-item p { padding: 0 35px 24px 3px; }

/* CTA e contato */
.contact-cta { padding: 42px 0; color: #fff; background: var(--color-primary); }
.cta-grid { display: grid; grid-template-columns: 1.1fr 1fr auto; align-items: center; gap: 55px; }
.cta-grid h2 { margin: 0; color: #fff; font-size: clamp(2rem, 3vw, 3.3rem); }
.cta-grid p { margin: 0; color: rgba(255,255,255,.82); }
.contact { padding: 60px 0; background: #faf9f6; }
.contact-layout { display: grid; grid-template-columns: .75fr 2.25fr; gap: 65px; align-items: center; }
.contact-title h2 { margin: 0; font-size: clamp(2rem, 3vw, 3.6rem); }
.contact-items { display: grid; grid-template-columns: repeat(4, 1fr); gap: 34px; font-style: normal; }
.contact-items > a, .contact-items > div:not(.socials) { display: flex; gap: 15px; align-items: flex-start; }
.contact-items > a:hover { color: var(--color-primary); }
.contact-items i { margin-top: 4px; color: var(--color-primary); font-size: 1.25rem; }
.contact-items span, .socials { font-size: .8rem; }
.contact-items small { display: block; margin-bottom: 7px; color: var(--color-muted); font-size: .62rem; letter-spacing: .1em; text-transform: uppercase; }
.socials > span { display: flex; gap: 17px; }
.socials a i { transition: transform .25s ease; }
.socials a:hover i { transform: translateY(-2px); }

/* Rodapé */
.site-footer { background: #fff; border-top: 1px solid var(--color-border); }
.footer-main { min-height: 130px; display: grid; grid-template-columns: 1fr 2fr 1fr; align-items: center; gap: 30px; }
.footer-brand img { width: 165px; }
.footer-main p { margin: 0; text-align: center; font-size: .69rem; }
.footer-main > a:last-child { justify-self: end; color: var(--color-muted); font-size: .65rem; text-transform: uppercase; }
.footer-credit { padding: 12px 20px; color: rgba(255,255,255,.66); background: #122e30; text-align: center; font-size: .7rem; }
.footer-credit a { color: #fff; }
.whatsapp-float { position: fixed; z-index: 900; right: 24px; bottom: 24px; width: 56px; height: 56px; display: grid; place-items: center; color: #fff; background: #25d366; border-radius: 50%; box-shadow: 0 10px 25px rgba(0,0,0,.22); font-size: 1.75rem; transition: transform .25s ease; }
.whatsapp-float:hover { transform: translateY(-4px) scale(1.03); }

/* Galeria ampliada */
.lightbox { width: min(1120px, calc(100vw - 48px)); max-width: none; max-height: calc(100vh - 48px); padding: 0; overflow: visible; color: #fff; background: transparent; border: 0; }
.lightbox::backdrop { background: rgba(2,17,18,.92); backdrop-filter: blur(5px); }
.lightbox figure { margin: 0; }
.lightbox-image { width: 100%; max-height: calc(100vh - 110px); object-fit: contain; background: #071719; }
.lightbox figcaption { padding: 12px 10px 0; color: rgba(255,255,255,.82); text-align: center; font-size: .82rem; }
.lightbox-close, .lightbox-control { position: fixed; z-index: 2; display: grid; place-items: center; color: #fff; background: var(--color-primary); border: 1px solid rgba(255,255,255,.35); cursor: pointer; transition: background .25s ease, transform .25s ease; }
.lightbox-close:hover, .lightbox-control:hover { background: #0a5a5e; }
.lightbox-close { top: 20px; right: 20px; width: 48px; height: 48px; font-size: 1.2rem; }
.lightbox-control { top: 50%; width: 48px; height: 70px; transform: translateY(-50%); }
.lightbox-control:hover { transform: translateY(-50%) scale(1.04); }
.lightbox-prev { left: 20px; }
.lightbox-next { right: 20px; }
body.lightbox-open { overflow: hidden; }

/* Entrada sutil */
.reveal { opacity: 1; transform: none; transition: opacity .7s ease, transform .7s ease; }
.reveal-ready .reveal { opacity: 0; transform: translateY(16px); }
.reveal-ready .reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; } .reveal { opacity: 1; transform: none; } }

/* Responsividade */
@media (max-width: 1180px) {
  :root { --header-height: 82px; }
  .container { width: min(calc(100% - 48px), var(--container)); }
  .brand img { width: 180px; }
  .main-nav { gap: 15px; }
  .main-nav > a:not(.btn) { font-size: .62rem; }
  .nav-cta { display: none; }
  .service-card { padding: 32px 22px; }
  .contact-items { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .container { width: min(calc(100% - 40px), var(--container)); }
  .menu-toggle { display: grid; place-items: center; }
  .main-nav { position: fixed; z-index: 1001; top: var(--header-height); right: 0; left: 0; max-height: calc(100vh - var(--header-height)); display: grid; gap: 0; padding: 18px 20px 26px; overflow-y: auto; background: #fff; border-top: 1px solid var(--color-border); box-shadow: var(--shadow-soft); opacity: 0; visibility: hidden; transform: translateY(-12px); transition: opacity .25s ease, visibility .25s ease, transform .25s ease; }
  .main-nav.is-open { opacity: 1; visibility: visible; transform: translateY(0); }
  .main-nav > a:not(.btn) { padding: 15px 4px; border-bottom: 1px solid #ecece8; font-size: .75rem; }
  .main-nav > a:not(.btn)::after { display: none; }
  .nav-cta { display: inline-flex; margin-top: 18px; }
  body.menu-open { overflow: hidden; }
  .hero { min-height: 760px; }
  .hero-copy { max-width: 580px; }
  .split-section { grid-template-columns: 1fr; }
  .split-copy { padding: 75px 40px; }
  .split-image { min-height: 520px; }
  .project-grid { grid-template-columns: 1fr 1fr; }
  .project-card:last-child { grid-column: 1 / -1; }
  .featured-project-intro { grid-template-columns: 1fr; }
  .featured-project-copy { max-width: 660px; }
  .gallery-cover { height: 500px; }
  .project-gallery { grid-template-columns: repeat(2, 1fr); }
  .architect-grid { grid-template-columns: .8fr 1.2fr; gap: 45px; }
  .architect-photo { height: 500px; }
  .services-layout, .portfolio-layout, .faq-layout, .contact-layout { grid-template-columns: 1fr; }
  .project-video-grid { grid-template-columns: 1fr; }
  .project-video-copy { max-width: 650px; }
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .service-card:nth-child(2) { border-right: 0; }
  .service-card:nth-child(-n+2) { border-bottom: 1px solid var(--color-border); }
  .cta-grid { grid-template-columns: 1fr auto; }
  .cta-grid p { grid-row: 2; }
  .cta-grid .btn { grid-column: 2; grid-row: 1 / 3; }
}

@media (max-width: 640px) {
  :root { --header-height: 74px; }
  .container { width: min(calc(100% - 32px), var(--container)); }
  .brand img { width: 156px; }
  .menu-toggle { width: 43px; height: 43px; }
  h1 { font-size: clamp(2.65rem, 12vw, 4.1rem); }
  h2 { font-size: clamp(2.05rem, 9.5vw, 3rem); }
  .hero { min-height: calc(100svh - var(--header-height)); background-image: linear-gradient(90deg, rgba(0,18,18,.86), rgba(0,20,20,.4)), url('../img/hero-residencia.webp'); background-position: 57% center; }
  .hero-content { padding-block: 70px; }
  .hero-copy > p:not(.eyebrow) { font-size: .95rem; }
  .split-copy { padding: 65px 24px; }
  .split-image { min-height: 390px; }
  .highlights { grid-template-columns: repeat(2, 1fr); }
  .section-heading-row { display: block; }
  .section-heading-row .btn { margin-top: 25px; }
  .project-grid { grid-template-columns: 1fr; gap: 35px; }
  .project-card:last-child { grid-column: auto; }
  .project-card img { aspect-ratio: 1.45; }
  .featured-project { padding: 70px 0; }
  .featured-project-intro { gap: 40px; }
  .gallery-cover { height: auto; aspect-ratio: 4 / 3; }
  .project-gallery { gap: 6px; margin-top: 6px; }
  .project-gallery .gallery-item { aspect-ratio: 1; }
  .gallery-zoom { right: 10px; bottom: 10px; width: 36px; height: 36px; opacity: 1; transform: none; }
  .philosophy { min-height: 540px; }
  .architect-grid { grid-template-columns: 1fr; }
  .architect-photo { width: 100%; height: 470px; }
  .architect-stats { gap: 18px; }
  .service-grid { grid-template-columns: 1fr; }
  .service-card { min-height: 0; border-right: 0; border-bottom: 1px solid var(--color-border); }
  .service-card:last-child { border-bottom: 0; }
  .portfolio-strip { grid-template-columns: 1fr 1fr; }
  .portfolio-strip img:last-of-type { display: none; }
  .portfolio-strip .btn { position: static; grid-column: 1 / -1; }
  .project-video { padding: 70px 0; }
  .faq-layout { gap: 40px; }
  .faq-item summary { font-size: 1.08rem; }
  .cta-grid { grid-template-columns: 1fr; }
  .cta-grid p, .cta-grid .btn { grid-column: auto; grid-row: auto; }
  .cta-grid .btn { justify-self: start; }
  .contact-items { grid-template-columns: 1fr; }
  .footer-main { grid-template-columns: 1fr; padding-block: 35px; text-align: center; }
  .footer-brand, .footer-main > a:last-child { justify-self: center; }
  .whatsapp-float { right: 16px; bottom: 16px; width: 52px; height: 52px; }
  .lightbox { width: calc(100vw - 20px); max-height: calc(100vh - 20px); }
  .lightbox-image { max-height: calc(100vh - 95px); }
  .lightbox-close { top: 10px; right: 10px; width: 44px; height: 44px; }
  .lightbox-control { top: auto; bottom: 18px; width: 46px; height: 46px; transform: none; }
  .lightbox-control:hover { transform: scale(1.04); }
  .lightbox-prev { left: 18px; }
  .lightbox-next { right: 18px; }
}