/* ============================================================
   LAURA DUCCA ARQUITETURA — design system
   ============================================================ */

:root {
  --bg: #F5F0E8;
  --bg-alt: #FFFFFF;
  --ink: #1C1917;
  --ink-soft: #574F47;
  --ink-mute: #7A6F63;
  --accent: #9A8874;
  --accent-dark: #7A6B58;
  --rule: #E5DFD5;

  --font-display: "Archivo", system-ui, -apple-system, "Helvetica Neue", sans-serif;
  --font-body: "Archivo", system-ui, -apple-system, "Helvetica Neue", sans-serif;

  --track: 0.08em;
  --track-wide: 0.24em;

  --container: 1440px;
  --pad-x: clamp(1.25rem, 4vw, 3.5rem);

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 16px;
  line-height: 1.55;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img, picture, video { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; transition: opacity 0.25s var(--ease); }
a:hover { opacity: 0.6; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; padding: 0; }
h1, h2, h3, h4, h5, h6 { font-weight: 400; margin: 0; letter-spacing: -0.01em; }
p { margin: 0 0 1em; }

/* ---------- layout ---------- */
.container { max-width: var(--container); margin: 0 auto; padding-inline: var(--pad-x); }
.container--narrow { max-width: 960px; }

section { padding-block: clamp(4rem, 8vw, 7rem); }
.section-label {
  font-size: 0.72rem;
  letter-spacing: var(--track-wide);
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-bottom: 1.5rem;
  font-weight: 400;
}

.rule { height: 1px; background: var(--rule); border: 0; margin-block: 2rem; }

/* ---------- typography ---------- */
.eyebrow {
  font-size: 0.72rem;
  letter-spacing: var(--track-wide);
  text-transform: uppercase;
  color: var(--ink-soft);
  font-weight: 400;
}
.display {
  font-size: clamp(2.25rem, 6vw, 5.5rem);
  line-height: 1.02;
  letter-spacing: -0.02em;
  font-weight: 300;
}
.heading-xl { font-size: clamp(1.75rem, 3.5vw, 3rem); line-height: 1.1; font-weight: 300; }
.heading-lg { font-size: clamp(1.25rem, 2vw, 1.75rem); line-height: 1.2; font-weight: 400; }
.lede { font-size: clamp(1.05rem, 1.4vw, 1.25rem); line-height: 1.55; color: var(--ink-soft); max-width: 48ch; font-weight: 300; }

/* ---------- header / nav ---------- */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  padding-block: 1.25rem;
  background: transparent;
  transition: background 0.3s var(--ease), border-color 0.3s var(--ease), color 0.3s var(--ease);
  border-bottom: 1px solid transparent;
}
/* Top gradient so nav is readable over hero image */
body[data-hero="true"] .site-header::before {
  content: "";
  position: absolute; inset: 0; top: 0;
  height: 160%;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.55) 0%, rgba(0, 0, 0, 0.12) 60%, transparent 100%);
  pointer-events: none;
  z-index: -1;
  transition: opacity 0.3s var(--ease);
}
body[data-hero="true"] .site-header.is-scrolled::before { opacity: 0; }

.site-header.is-scrolled,
.site-header.is-solid {
  background: rgba(122, 107, 88, 0.95); /* --accent-dark */
  backdrop-filter: saturate(1.2) blur(8px);
  -webkit-backdrop-filter: saturate(1.2) blur(8px);
  border-bottom-color: rgba(255, 255, 255, 0.08);
}
/* White nav text — over hero gradient AND over taupe scrolled/solid bar */
body[data-hero="true"] .site-header:not(.is-scrolled) .brand,
body[data-hero="true"] .site-header:not(.is-scrolled) .nav-links a,
body[data-hero="true"] .site-header:not(.is-scrolled) .nav-toggle,
.site-header.is-scrolled .brand,
.site-header.is-scrolled .nav-links a,
.site-header.is-scrolled .nav-toggle,
.site-header.is-solid .brand,
.site-header.is-solid .nav-links a,
.site-header.is-solid .nav-toggle {
  color: #fff;
}
body[data-hero="true"] .site-header:not(.is-scrolled) .brand span,
.site-header.is-scrolled .brand span,
.site-header.is-solid .brand span { color: rgba(255, 255, 255, 0.75); }
body[data-hero="true"] .site-header:not(.is-scrolled) .lang-toggle,
.site-header.is-scrolled .lang-toggle,
.site-header.is-solid .lang-toggle { border-color: rgba(255, 255, 255, 0.35); }
body[data-hero="true"] .site-header:not(.is-scrolled) .lang-toggle a.is-active,
.site-header.is-scrolled .lang-toggle a.is-active,
.site-header.is-solid .lang-toggle a.is-active { color: #fff; font-weight: 500; }
/* Active page underline — stays white on taupe */
.site-header.is-scrolled .nav-links a.is-active,
.site-header.is-solid .nav-links a.is-active,
body[data-hero="true"] .site-header:not(.is-scrolled) .nav-links a.is-active { color: #fff; }
.nav {
  display: flex; align-items: center; justify-content: space-between;
}
.brand {
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: var(--track-wide);
  text-transform: uppercase;
  font-size: 0.85rem;
  line-height: 1.1;
}
.brand span { display: block; font-weight: 300; font-size: 0.72rem; letter-spacing: var(--track-wide); color: var(--ink-soft); }
.nav-links { display: flex; gap: clamp(1rem, 2.5vw, 2.25rem); align-items: center; }
.nav-links a {
  font-size: 0.78rem;
  letter-spacing: var(--track);
  text-transform: uppercase;
  color: var(--accent-dark);
  font-weight: 400;
}
.nav-links a.is-active {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 6px;
}
.nav-toggle { color: var(--accent-dark); }
.lang-toggle {
  font-size: 0.72rem;
  letter-spacing: var(--track-wide);
  text-transform: uppercase;
  border: 1px solid var(--rule);
  padding: 0.35rem 0.7rem;
  display: inline-flex; gap: 0.4rem;
  border-radius: 2px;
}
.lang-toggle a.is-active { color: var(--accent-dark); font-weight: 500; }

/* mobile nav */
.nav-toggle { display: none; }
@media (max-width: 820px) {
  .nav-toggle { display: inline-flex; position: relative; z-index: 41; }
  .brand { position: relative; z-index: 41; }
  .nav-links {
    position: fixed; top: 0; left: 0;
    width: 100vw; height: 100svh; height: 100dvh;
    background: var(--bg);
    flex-direction: column; justify-content: center; align-items: center;
    gap: 2rem; transform: translateY(-100%); transition: transform 0.4s var(--ease);
    z-index: 40;
    overflow: hidden;
    visibility: hidden;
  }
  .nav-links.is-open { transform: translateY(0); visibility: visible; }
  .nav-links a { font-size: 1.5rem; }
  /* Menu mobile aberto: overlay é cream, texto dos itens fica escuro */
  .site-header .nav-links.is-open a { color: var(--accent-dark); }
  .site-header .nav-links.is-open a.is-active { color: var(--ink); }
  .site-header .nav-links.is-open .lang-toggle { border-color: var(--rule); }
  .site-header .nav-links.is-open .lang-toggle a { color: var(--accent-dark); }
  .site-header .nav-links.is-open .lang-toggle a.is-active { color: var(--ink); font-weight: 500; }
}

/* ---------- hero ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex; align-items: flex-end;
  overflow: hidden;
  color: #fff;
}
.hero__media {
  position: absolute; inset: 0;
  background: #1a1712;
}
/* Logo slide: solid taupe bg with centered wordmark (no image) */
.slide--logo {
  background: var(--accent);
  display: flex; align-items: center; justify-content: center;
}
.slide--logo .logo-mark {
  text-align: center;
  color: #fff;
  font-weight: 300;
  letter-spacing: var(--track-wide);
  text-transform: uppercase;
  line-height: 1.06;
  font-size: clamp(2.5rem, 9vw, 6rem);
}
.slide--logo .logo-mark strong { font-weight: 500; display: block; }
.slide--logo .logo-mark em { display: block; font-style: normal; font-weight: 300; opacity: 0.88; }
.hero__media picture,
.hero__media .slide {
  position: absolute; inset: 0;
  opacity: 0;
  transition: opacity 1.6s var(--ease);
}
.hero__media picture.is-active,
.hero__media .slide.is-active {
  opacity: 1;
}
.hero__media picture:first-child:not(.is-active),
.hero__media .slide:first-child:not(.is-active) {
  opacity: 1;
}
.hero__media img {
  width: 100%; height: 100%; object-fit: cover;
}
.hero__media > img {
  animation: heroIn 1.6s var(--ease) both;
}
@keyframes heroIn { from { transform: scale(1.04); opacity: 0.2; } to { transform: scale(1); opacity: 1; } }
.hero__media::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.18) 0%, rgba(0,0,0,0.0) 25%, rgba(0,0,0,0.55) 100%);
}
.hero__inner {
  position: relative; width: 100%;
  padding-block: clamp(3rem, 10vh, 6rem);
}
.hero__mark {
  font-family: var(--font-display);
  letter-spacing: var(--track-wide);
  text-transform: uppercase;
  font-weight: 300;
  font-size: clamp(1.8rem, 5vw, 3.5rem);
  line-height: 1.02;
}
.hero__mark strong { font-weight: 500; }
.hero__meta {
  margin-top: 1.5rem;
  font-size: 0.78rem; letter-spacing: var(--track-wide); text-transform: uppercase;
  opacity: 0.9;
}
.hero__scroll {
  position: absolute; bottom: 1.5rem; left: 50%; transform: translateX(-50%);
  writing-mode: vertical-rl;
  font-size: 0.7rem; letter-spacing: var(--track-wide); text-transform: uppercase;
  opacity: 0.8;
}

/* ---------- page hero (sobre / projetos) ---------- */
.page-hero {
  position: relative;
  min-height: 62svh;
  display: flex; align-items: flex-end;
  color: #fff; overflow: hidden;
  padding-top: 80px;
}
.page-hero__inner { position: relative; width: 100%; padding-block: clamp(2rem, 5vh, 3.5rem); }
.page-hero__eyebrow {
  font-size: 0.72rem; letter-spacing: var(--track-wide);
  text-transform: uppercase; font-weight: 400;
  opacity: 0.9;
}
.page-hero__title {
  font-size: clamp(2rem, 5vw, 4.25rem);
  line-height: 1.05; font-weight: 300; letter-spacing: -0.01em;
  max-width: 22ch;
  margin-top: 0.75rem;
}
.page-hero__lede {
  max-width: 52ch; margin-top: 1.5rem;
  font-size: clamp(1rem, 1.25vw, 1.15rem);
  line-height: 1.55; opacity: 0.92; font-weight: 300;
}
@media (max-width: 820px) {
  .page-hero { min-height: 70svh; }
}

/* ---------- intro ---------- */
.intro { padding-block: clamp(5rem, 12vw, 9rem); }
.intro__grid {
  display: grid; grid-template-columns: 1fr 2fr; gap: clamp(2rem, 6vw, 5rem);
  align-items: start;
}
@media (max-width: 820px) { .intro__grid { grid-template-columns: 1fr; } }
.intro__body p { margin-bottom: 1.25em; }
.intro__body p:last-child { margin-bottom: 0; }

/* ---------- projects grid ---------- */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 360px), 1fr));
  gap: clamp(1.5rem, 3vw, 2.5rem) clamp(1rem, 2vw, 1.5rem);
}
.project-card {
  display: block;
  opacity: 1;
  transition: transform 0.5s var(--ease);
}
.project-card__media {
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--rule);
}
.project-card__media img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.9s var(--ease), filter 0.5s var(--ease);
  filter: saturate(0.95);
}
.project-card:hover .project-card__media img {
  transform: scale(1.035); filter: saturate(1.05);
}
.project-card__meta {
  margin-top: 1rem;
  display: flex; justify-content: space-between; align-items: baseline;
  gap: 1rem;
}
.project-card__title {
  font-size: 1.05rem;
  letter-spacing: var(--track);
  text-transform: uppercase;
  font-weight: 400;
}
.project-card__aux {
  font-size: 0.72rem;
  letter-spacing: var(--track-wide);
  text-transform: uppercase;
  color: var(--ink-soft);
  white-space: nowrap;
}

/* ---------- project page ---------- */
.project-hero {
  position: relative; min-height: 82svh;
  display: flex; align-items: flex-end;
  color: #fff; overflow: hidden;
  padding-top: 80px;
}
.project-hero__media { position: absolute; inset: 0; }
.project-hero__media img { width: 100%; height: 100%; object-fit: cover; }
.project-hero__media::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.2), rgba(0,0,0,0.55));
}
.project-hero__inner { position: relative; padding-block: 3rem; width: 100%; }
.project-hero__title {
  font-size: clamp(2rem, 5vw, 4rem);
  letter-spacing: var(--track);
  text-transform: uppercase;
  font-weight: 300; line-height: 1.05;
}
.project-hero__loc { margin-top: 0.4rem; font-size: 0.85rem; letter-spacing: var(--track-wide); text-transform: uppercase; opacity: 0.9; }

.project-overview {
  display: grid; grid-template-columns: 1fr 1.4fr;
  gap: clamp(2rem, 6vw, 5rem);
  align-items: start;
}
@media (max-width: 820px) { .project-overview { grid-template-columns: 1fr; } }

.spec-list { list-style: none; padding: 0; margin: 0; }
.spec-list li {
  display: grid; grid-template-columns: 10rem 1fr; gap: 1rem;
  padding-block: 0.9rem;
  border-bottom: 1px solid var(--rule);
  font-size: 0.9rem;
}
.spec-list li:first-child { border-top: 1px solid var(--rule); }
.spec-list dt, .spec-list .label {
  font-size: 0.72rem; letter-spacing: var(--track-wide);
  text-transform: uppercase; color: var(--ink-mute); font-weight: 400;
}

/* gallery — thumbnail grid */
.gallery {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 10px;
}
.gallery figure { margin: 0; overflow: hidden; }
.gallery img {
  width: 100%; height: 100%; object-fit: cover; cursor: zoom-in;
  transition: transform 0.6s var(--ease), filter 0.3s var(--ease);
  filter: saturate(0.97);
}
.gallery figure:hover img { transform: scale(1.03); filter: saturate(1.05); }

/* default: 4-col thumbs */
.gallery > figure { grid-column: span 3; aspect-ratio: 1/1; }
/* featured full-width hero */
.gallery > figure.full { grid-column: span 12; aspect-ratio: 21/9; }
/* wide: span 2 thumbs */
.gallery > figure.wide { grid-column: span 6; aspect-ratio: 16/9; }
/* narrow: portrait single */
.gallery > figure.narrow { grid-column: span 3; aspect-ratio: 3/4; }

@media (max-width: 960px) {
  .gallery > figure { grid-column: span 4; }
  .gallery > figure.narrow { grid-column: span 4; }
  .gallery > figure.wide { grid-column: span 8; }
}
@media (max-width: 600px) {
  .gallery > figure { grid-column: span 6; aspect-ratio: 1/1; }
  .gallery > figure.narrow { grid-column: span 6; }
  .gallery > figure.wide { grid-column: span 12; aspect-ratio: 16/10; }
  .gallery > figure.full { aspect-ratio: 4/3; }
}

/* ---------- about / bio ---------- */
.bio-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 6vw, 5rem);
  align-items: start;
}
@media (max-width: 820px) { .bio-grid { grid-template-columns: 1fr; } }

.press-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: clamp(1.5rem, 3vw, 3rem);
  align-items: center;
}
.press-grid img { max-height: 48px; width: auto; margin: 0 auto; filter: grayscale(100%) opacity(0.7); transition: filter 0.3s var(--ease); }
.press-grid a:hover img { filter: grayscale(0) opacity(1); }
.press-item { font-size: 0.8rem; letter-spacing: var(--track-wide); text-transform: uppercase; color: var(--ink-soft); text-align: center; }

/* ---------- contact ---------- */
.contact-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 6vw, 5rem);
  align-items: start;
}
@media (max-width: 820px) { .contact-grid { grid-template-columns: 1fr; } }
.contact-list { list-style: none; padding: 0; margin: 0; }
.contact-list li {
  padding-block: 1.25rem;
  border-bottom: 1px solid var(--rule);
}
.contact-list li:first-child { border-top: 1px solid var(--rule); }
.contact-list .label {
  font-size: 0.72rem; letter-spacing: var(--track-wide);
  text-transform: uppercase; color: var(--ink-mute);
  display: block; margin-bottom: 0.4rem;
}
.contact-list .value { font-size: 1.1rem; letter-spacing: 0.02em; }

/* form */
.form-field { display: block; margin-bottom: 1.25rem; }
.form-field label {
  display: block;
  font-size: 0.72rem; letter-spacing: var(--track-wide);
  text-transform: uppercase; color: var(--ink-mute);
  margin-bottom: 0.4rem;
}
.form-field input, .form-field textarea {
  width: 100%;
  background: transparent;
  border: 0; border-bottom: 1px solid var(--rule);
  padding: 0.75rem 0;
  font: inherit; color: var(--ink);
  transition: border-color 0.3s var(--ease);
}
.form-field input:focus, .form-field textarea:focus {
  outline: 0; border-bottom-color: var(--accent);
}
.form-field textarea { min-height: 7rem; resize: vertical; }
.button {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.9rem 1.75rem;
  border: 1px solid var(--ink);
  font-size: 0.78rem; letter-spacing: var(--track-wide);
  text-transform: uppercase; font-weight: 400;
  transition: background 0.3s var(--ease), color 0.3s var(--ease);
}
.button:hover { background: var(--ink); color: var(--bg); opacity: 1; }

/* ---------- footer ---------- */
.site-footer {
  border-top: 1px solid var(--rule);
  padding-block: 3rem;
  font-size: 0.78rem;
  color: var(--ink-soft);
}
.site-footer .container {
  display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
  letter-spacing: var(--track);
}
.site-footer a { display: inline-block; }

/* ---------- lightbox ---------- */
.lightbox {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(20, 16, 12, 0.95);
  display: none; align-items: center; justify-content: center;
  padding: 2rem;
}
.lightbox.is-open { display: flex; }
.lightbox img { max-width: 100%; max-height: 90vh; object-fit: contain; }
.lightbox__close, .lightbox__nav {
  position: absolute;
  color: #fff;
  opacity: 0.75;
  padding: 0.75rem;
  display: inline-flex; align-items: center; justify-content: center;
  transition: opacity 0.25s var(--ease);
}
.lightbox__close:hover, .lightbox__nav:hover { opacity: 1; }
.lightbox__close { top: 1rem; right: 1rem; }
.lightbox__nav--prev { left: 1rem; top: 50%; transform: translateY(-50%); }
.lightbox__nav--next { right: 1rem; top: 50%; transform: translateY(-50%); }

/* ---------- animation on scroll ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.9s var(--ease), transform 0.9s var(--ease); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ---------- utilities ---------- */
.mt-0 { margin-top: 0; } .mt-1 { margin-top: 1rem; } .mt-2 { margin-top: 2rem; } .mt-4 { margin-top: 4rem; }
.text-center { text-align: center; }
.hidden { display: none !important; }