/*
Theme Name: ARM Serralharia
Text Domain: wc-arm
Author: Webcomum
Author URI: https://www.webcomum.com
Version: 1.0
*/

/* =====================================================
   ARM Serralharia — style.css
   ===================================================== */

/* 1. Custom properties -------------------------------- */
:root {
  --bone:        oklch(0.965 0.008 80);
  --charcoal:    oklch(0.22 0.005 60);
  --bronze:      #004ce5;
  --bronze-deep: #003bb8;
  --muted-fg:    oklch(0.45 0.01 70);
  --border-clr:  oklch(0.86 0.012 70);
  --secondary-bg:oklch(0.92 0.01 80);

  --font-serif: "magistral", ui-serif, Georgia, "Times New Roman", serif;
  --font-sans: "nexa-text", "nexa", ui-sans-serif, system-ui, -apple-system, sans-serif;

  --max-w: 100rem;
  --px: 1.5rem;
}

/* 2. Reset -------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  background-color: var(--bone);
  color: var(--charcoal);
  font-family: var(--font-sans);
  font-weight: 400;
  letter-spacing: 0.005em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font: inherit; color: inherit; }
ul, ol { list-style: none; }
::selection { background-color: var(--bronze); color: var(--bone); }

h1, h2, h3, h4, h5 {
  font-family: var(--font-serif);
  font-weight: 400;
  letter-spacing: -0.015em;
  line-height: 1.05;
}

/* 3. Typography --------------------------------------- */
.eyebrow {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--bronze);
}

.display-xl {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 6.2vw, 5.5rem);
  line-height: 1;
  letter-spacing: -0.025em;
  font-weight: 400;
}

.display-lg {
  font-family: var(--font-serif);
  font-size: clamp(1.85rem, 4.3vw, 3.5rem);
  line-height: 1.04;
  letter-spacing: -0.02em;
  font-weight: 400;
}

.display-md {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 3.4vw, 2.75rem);
  line-height: 1.08;
  letter-spacing: -0.015em;
  font-weight: 400;
}

.lead {
  font-size: clamp(0.95rem, 1.1vw, 1.0625rem);
  line-height: 1.7;
  color: var(--muted-fg);
}
.lead.on-dark { color: oklch(0.965 0.008 80 / 0.7); }

/* 4. Animations & effects ----------------------------- */
.reveal-up  { animation: revealUp  1.2s cubic-bezier(0.22,1,0.36,1) both; }
.reveal-fade{ animation: revealFade 1.4s ease-out both; }

@keyframes revealUp {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes revealFade {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.image-zoom { overflow: hidden; }
.image-zoom img {
  transition: transform 1200ms cubic-bezier(0.22,1,0.36,1);
  will-change: transform;
}
.image-zoom:hover img { transform: scale(1.04); }

.link-underline { position: relative; display: inline-block; }
.link-underline::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 1px;
  background: currentColor;
  transform-origin: right;
  transform: scaleX(1);
  transition: transform 600ms cubic-bezier(0.65,0,0.35,1);
}
a:hover .link-underline::after,
button:hover .link-underline::after { transform-origin: left; transform: scaleX(0); }

/* 5. Layout ------------------------------------------- */
.container {
  max-width: var(--max-w);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--px);
  padding-right: var(--px);
}

.section-py    { padding-top: 6rem; padding-bottom: 6rem; }
.section-py-lg { padding-top: 6rem; padding-bottom: 6rem; }

.border-top    { border-top:    1px solid var(--border-clr); }
.border-bottom { border-bottom: 1px solid var(--border-clr); }

.bg-secondary { background-color: var(--secondary-bg); }
.bg-charcoal  { background-color: var(--charcoal); color: var(--bone); }
.bg-bone      { background-color: var(--bone); }

/* 6. HEADER ------------------------------------------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  transition: background-color 0.5s, border-color 0.5s, color 0.5s;
}
.site-header.transparent {
  color: var(--bone);
  background-color: transparent;
}
.site-header.scrolled,
.site-header.menu-open {
  background-color: oklch(0.965 0.008 80 / 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-clr);
  color: var(--charcoal);
}
.site-header.dark-page {
  color: var(--charcoal);
  background-color: oklch(0.965 0.008 80 / 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-clr);
}

.header-inner {
  max-width: var(--max-w);
  margin: auto;
  padding: 0 var(--px);
  height: 5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-logo img { height: 2.5rem; width: auto; display: block; }

.header-nav { display: none; align-items: center; gap: 2.25rem; }
.header-nav a {
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  transition: color 0.2s;
}
.header-nav a:hover,
.header-nav a.active { color: var(--bronze); }

.header-actions { display: flex; align-items: center; gap: 1rem; }
.header-cta {
  display: none;
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  transition: color 0.2s;
}
.header-cta:hover { color: var(--bronze); }

.lang-switcher {
  display: none;
  align-items: center;
  gap: 0.25rem;
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.18em;
}
.lang-btn { padding: 0 0.25rem; transition: color 0.2s; }
.lang-btn.active { color: var(--bronze); }
.lang-btn:not(.active) { opacity: 0.6; }
.lang-btn:not(.active):hover { opacity: 1; }
.lang-sep { opacity: 0.4; }

.menu-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.25rem;
  color: inherit;
}

.mobile-menu {
  display: none;
  border-top: 1px solid var(--border-clr);
  background-color: var(--bone);
  color: var(--charcoal);
}
.mobile-menu.open { display: block; }
.mobile-menu nav {
  max-width: var(--max-w);
  margin: auto;
  padding: 1.5rem var(--px);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.mobile-menu a {
  font-family: var(--font-serif);
  font-size: 1.875rem;
  line-height: 1.1;
  padding: 0.5rem 0;
  display: block;
  transition: color 0.2s;
}
.mobile-menu a.active,
.mobile-menu a:hover { color: var(--bronze); }

.mobile-lang {
  max-width: var(--max-w);
  margin: auto;
  padding: 1rem var(--px) 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.25rem;
  border-top: 1px solid var(--border-clr);
}
/* Override .mobile-menu a — metade da fonte dos links de menu (1.875rem / 2) */
.mobile-lang .lang-btn {
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  padding: 0 0.25rem;
  display: inline;
}

/* 7. FOOTER ------------------------------------------- */
.site-footer { background-color: var(--charcoal); color: var(--bone); }
.footer-inner { max-width: var(--max-w); margin: auto; padding: 0 var(--px); }
.footer-top {
  display: grid;
  gap: 3.5rem;
  border-bottom: 1px solid oklch(0.965 0.008 80 / 0.1);
  padding: 5rem 0;
}
.footer-headline { color: var(--bone); max-width: 28rem; }
.footer-headline span { color: var(--bronze); font-style: italic; }
.footer-initiate {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 2.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--bone);
  transition: color 0.2s;
}
.footer-initiate:hover { color: var(--bronze); }
.footer-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 2.5rem; }
.footer-col-title { color: var(--bronze); }
.footer-col-body { margin-top: 1.25rem; display: flex; flex-direction: column; gap: 0.5rem; }
.footer-link { font-size: 0.875rem; color: oklch(0.965 0.008 80 / 0.65); transition: color 0.2s; }
.footer-link:hover { color: var(--bronze); }
.footer-address { font-size: 0.875rem; line-height: 1.7; color: oklch(0.965 0.008 80 / 0.65); }
.footer-social { display: flex; gap: 1.25rem; margin-top: 1rem; font-size: 0.875rem; }
.footer-social a { color: oklch(0.965 0.008 80 / 0.65); transition: color 0.2s; }
.footer-social a:hover { color: var(--bronze); }
.footer-bottom {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 2rem 0;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: oklch(0.965 0.008 80 / 0.45);
}
.footer-legal { display: flex; flex-wrap: wrap; gap: 1.5rem; }
.footer-legal a:hover { color: oklch(0.965 0.008 80 / 0.8); }

/* 8. HERO --------------------------------------------- */
.hero {
  position: relative;
  height: 100svh;
  min-height: 640px;
  overflow: hidden;
  background-color: var(--charcoal);
  color: var(--bone);
}
.hero-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero-overlay { position: absolute; inset: 0; background-color: oklch(0.22 0.005 60 / 0.5); }
.hero-gradient {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom,
    oklch(0.22 0.005 60 / 0.4) 0%,
    oklch(0.22 0.005 60 / 0.2) 50%,
    oklch(0.22 0.005 60 / 0.7) 100%
  );
}
.hero-content {
  position: relative;
  z-index: 1;
  max-width: var(--max-w);
  margin: auto;
  padding: 0 var(--px);
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding-bottom: 4rem;
}
.hero-eyebrow { color: var(--bone); font-size: 13px; }
.hero-title   { color: var(--bone); margin-top: 1.5rem; }
.hero-title span { font-style: italic; }
.hero-bottom {
  margin-top: 3rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2.5rem;
}
.hero-lead { color: oklch(0.965 0.008 80 / 0.9); max-width: 28rem; font-size: 1.2rem;}
.hero-links { display: flex; gap: 2rem; }
.hero-links a {
  font-size: 0.85rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--bone);
  transition: color 0.2s;
}
.hero-links a:hover { color: var(--bronze); }

/* Page hero */
.page-hero { padding-top: 8rem; }
.page-hero-img {
  margin-top: 4rem;
  aspect-ratio: 16/9;
  width: 100%;
  overflow: hidden;
  background-color: var(--secondary-bg);
}
.page-hero-img img { width: 100%; height: 100%; object-fit: cover; }

/* Project hero */
.project-hero {
  position: relative;
  height: 100svh;
  min-height: 640px;
  overflow: hidden;
  background-color: var(--charcoal);
  color: var(--bone);
}
.project-hero .hero-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.project-hero-gradient {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, oklch(0.22 0.005 60 / 0.3) 0%, transparent 50%, oklch(0.22 0.005 60 / 0.75) 100%);
}
.project-hero-content {
  position: relative;
  z-index: 1;
  max-width: var(--max-w);
  margin: auto;
  padding: 0 var(--px);
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding-bottom: 5rem;
}
.project-hero-title {
  font-family: var(--font-serif);
  font-size: clamp(3.5rem, 11vw, 11rem);
  line-height: 0.95;
  letter-spacing: -0.025em;
  color: var(--bone);
  margin-top: 1.5rem;
}

/* 9. SECTIONS ----------------------------------------- */
.section-standard  { border-top: 1px solid var(--border-clr); }
.section-secondary { border-top: 1px solid var(--border-clr); background-color: var(--secondary-bg); }
.section-dark      { border-top: 1px solid var(--border-clr); background-color: var(--charcoal); color: var(--bone); }

.full-bleed {
  position: relative;
  height: 60svh;
  min-height: 420px;
  overflow: hidden;
  background-color: var(--secondary-bg);
}
.full-bleed img,
.full-bleed video { width: 100%; height: 100%; object-fit: cover; display: block; }

/* Video player --------------------------------------- */
.video-player {
  position: relative;
  width: 100%;
  height: 100%;
}
.video-player video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  cursor: pointer;
}
.video-overlay {
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.18);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: opacity 0.35s ease;
}
.video-overlay.is-hidden {
  opacity: 0;
  pointer-events: none;
}
.video-play-btn {
  width: 76px;
  height: 76px;
  border-radius: 50%;
  background: var(--bronze);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-left: 4px; /* optical offset for play triangle */
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 24px oklch(0.22 0.005 60 / 0.25);
}
.video-play-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 32px oklch(0.22 0.005 60 / 0.35);
}

/* 10. INTRO / split ----------------------------------- */
.intro-grid { display: grid; gap: 2.5rem; align-items: center; }
.intro-img { aspect-ratio: 4/5; overflow: hidden; background-color: var(--secondary-bg); }
.intro-img img { width: 100%; height: 100%; object-fit: cover; }

.split-section { background-color: var(--charcoal); color: var(--bone); border-top: 1px solid var(--border-clr); }
.split-grid { display: grid; }
.split-img { aspect-ratio: 4/5; overflow: hidden; background-color: oklch(0.22 0.005 60); }
.split-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.split-text { display: flex; align-items: center; padding: 4rem var(--px); }
.split-inner { max-width: 32rem; }
.split-inner .eyebrow { color: var(--bronze); }
.split-inner .lead { color: oklch(0.965 0.008 80 / 0.7); }
.split-link {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 2.5rem;
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--bone);
  transition: color 0.2s;
}
.split-link:hover { color: var(--bronze); }

.section-header { display: grid; gap: 3.5rem; align-items: flex-end; }
.section-header-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
}
.section-link {
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  transition: color 0.2s;
  white-space: nowrap;
}
.section-link:hover { color: var(--bronze); }

/* 11. PROCESS OVERVIEW -------------------------------- */
.process-overview { display: grid; gap: 3rem; margin-top: 5rem; }
.process-item { border-top: 1px solid var(--border-clr); padding-top: 1.5rem; }
.process-item-num { font-family: var(--font-serif); font-size: 1.875rem; color: var(--bronze); }
.process-item-title { margin-top: 0.75rem; font-family: var(--font-serif); font-size: 1.5rem; }
.process-item-desc { margin-top: 0.75rem; font-size: 0.875rem; line-height: 1.7; color: var(--muted-fg); }

/* 12. STATS ------------------------------------------- */
.stats-grid { display: grid; grid-template-columns: repeat(2, 1fr); row-gap: 3.5rem; margin-top: 3rem; }
.stat-number { font-family: var(--font-serif); font-size: clamp(3rem, 7vw, 4.5rem); letter-spacing: -0.02em; line-height: 1; }
.stat-label { margin-top: 0.75rem; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.2em; color: var(--muted-fg); }

/* 13. PORTFOLIO --------------------------------------- */
.portfolio-grid { display: grid; row-gap: 5rem; column-gap: 2rem; }
.p-wide    { }
.p-narrow  { }
.p-offset  { }

.project-card { display: block; }
.project-card__img {
  position: relative;
  aspect-ratio: 4/5;
  overflow: hidden;
  background-color: var(--secondary-bg);
}
.project-card--large .project-card__img { aspect-ratio: 3/4; }
.project-card__img img {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 1200ms cubic-bezier(0.22,1,0.36,1);
}
.project-card:hover .project-card__img img { transform: scale(1.04); }
.project-card__meta { margin-top: 1.25rem; display: flex; align-items: baseline; justify-content: space-between; gap: 1.5rem; }
.project-card__title { font-family: var(--font-serif); font-size: 1.5rem; line-height: 1.1; }
.project-card--large .project-card__title { font-size: clamp(1.5rem, 2.5vw, 2.25rem); }
.project-card__cat { margin-top: 0.25rem; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.18em; color: var(--muted-fg); }
.project-card__year { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.18em; color: var(--muted-fg); white-space: nowrap; flex-shrink: 0; }

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 2rem;
  border-top: 1px solid var(--border-clr);
  padding-top: 2rem;
  margin-top: 4rem;
}
.filter-btn { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.22em; color: var(--muted-fg); transition: color 0.2s; }
.filter-btn:hover { color: var(--charcoal); }
.filter-btn.active { color: var(--bronze); }
.filter-count { margin-left: auto; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.22em; color: var(--muted-fg); }
.portfolio-item.hidden { display: none; }

/* 14. NEWS CARDS -------------------------------------- */
.news-grid { display: grid; gap: 3rem; }
.news-card { display: block; }
.news-card__img { position: relative; aspect-ratio: 4/3; overflow: hidden; background-color: var(--secondary-bg); }
.news-card--featured .news-card__img { aspect-ratio: 16/10; }
.news-card__img img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform 1200ms cubic-bezier(0.22,1,0.36,1); }
.news-card:hover .news-card__img img { transform: scale(1.04); }
.news-card__meta { margin-top: 1.25rem; }
.news-card__cat { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.18em; color: var(--bronze); }
.news-card__date { color: var(--muted-fg); }
.news-card__title { margin-top: 0.75rem; font-family: var(--font-serif); font-size: 1.5rem; line-height: 1.1; }
.news-card--featured .news-card__title { font-size: clamp(1.5rem, 3.5vw, 3rem); }
.news-card__excerpt { margin-top: 0.75rem; font-size: 0.875rem; line-height: 1.7; color: var(--muted-fg); max-width: 28rem; }
.news-card__title a { color: inherit; transition: color 200ms ease; }
.news-card__title a:hover { color: var(--bronze); }
/* Vídeo oEmbed dentro do cartão — iframe preenche a área da imagem */
.news-card__img--video iframe,
.news-card__img--video embed,
.news-card__img--video object,
.news-card__img--video video { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

/* 15. PROJECT DETAIL ---------------------------------- */
.specs-bar { background-color: var(--secondary-bg); border-bottom: 1px solid var(--border-clr); }
.specs-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2.5rem; padding: 3rem 0; }
.spec-label { font-size: 11px; text-transform: uppercase; letter-spacing: 0.24em; color: var(--bronze); }
.spec-value { margin-top: 0.75rem; font-family: var(--font-serif); font-size: clamp(1.25rem, 2vw, 1.5rem); }

.overview-grid { display: grid; gap: 3rem; }
.overview-intro { font-family: var(--font-serif); font-size: clamp(1.5rem, 3.5vw, 3rem); line-height: 1.1; max-width: 48rem; }
.overview-desc { margin-top: 2.5rem; max-width: 42rem; }

.challenge-grid { display: grid; gap: 4rem; }
.challenge-block { border-top: 1px solid var(--border-clr); padding-top: 2rem; }
.challenge-num { font-family: var(--font-serif); font-size: 3rem; color: var(--bronze); }
.challenge-title { margin-top: 2rem; font-family: var(--font-serif); font-size: clamp(1.5rem, 2.5vw, 1.875rem); }
.challenge-text { margin-top: 1.25rem; font-size: 1rem; line-height: 1.7; color: var(--muted-fg); }

.gallery-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: 3rem;
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
}
.gallery-hint { display: none; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.22em; color: var(--muted-fg); }
.gallery-columns { columns: 1; gap: 1.25rem; }
.gallery-item {
  display: block;
  width: 100%;
  margin-bottom: 1.25rem;
  overflow: hidden;
  background-color: var(--secondary-bg);
  cursor: zoom-in;
  break-inside: avoid;
  border: none;
  padding: 0;
}
.gallery-item img { width: 100%; height: auto; object-fit: cover; display: block; transition: transform 1200ms cubic-bezier(0.22,1,0.36,1); }
.gallery-item:hover img { transform: scale(1.04); }
.gallery-item--hidden { display: none; }
.gallery-view-all {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--bronze);
  white-space: nowrap;
  cursor: pointer;
  padding: 0 0 2px;
  border-bottom: 1px solid currentColor;
  transition: opacity 200ms ease;
}
.gallery-view-all:hover { opacity: 0.65; }

.pull-quote-section { background-color: var(--secondary-bg); border-bottom: 1px solid var(--border-clr); }
.pull-quote { font-family: var(--font-serif); font-size: clamp(1.5rem, 4vw, 3rem); line-height: 1.15; font-style: italic; text-align: center; max-width: 52rem; margin: 0 auto; }

.next-project { position: relative; display: block; height: 70vh; min-height: 520px; overflow: hidden; background-color: var(--charcoal); color: var(--bone); }
.next-project img.hero-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0.5; transition: transform 0.7s, opacity 0.7s; }
.next-project:hover img.hero-bg { transform: scale(1.05); opacity: 0.7; }
.next-project__overlay { position: absolute; inset: 0; background: linear-gradient(to bottom, oklch(0.22 0.005 60 / 0.4) 0%, oklch(0.22 0.005 60 / 0.8) 100%); }
.next-project__content { position: relative; z-index: 1; max-width: var(--max-w); margin: auto; padding: 0 var(--px); height: 100%; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; }
.next-project__title { font-family: var(--font-serif); font-size: clamp(3rem, 8vw, 7rem); line-height: 0.95; margin-top: 1.5rem; }
.next-project__sub { margin-top: 1.5rem; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.22em; color: oklch(0.965 0.008 80 / 0.7); }

/* 16. LIGHTBOX ---------------------------------------- */
.lightbox { display: none; position: fixed; inset: 0; z-index: 100; background-color: oklch(0.22 0.005 60 / 0.95); backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px); align-items: center; justify-content: center; }
.lightbox.open { display: flex; }
.lightbox__img { max-height: 90vh; max-width: 92vw; object-fit: contain; display: block; }
.lightbox__close,
.lightbox__prev,
.lightbox__next { position: absolute; z-index: 10; padding: 0.75rem; color: var(--bone); border-radius: 50%; transition: background-color 0.2s; display: flex; align-items: center; justify-content: center; }
.lightbox__close:hover,
.lightbox__prev:hover,
.lightbox__next:hover { background-color: oklch(0.965 0.008 80 / 0.1); }
.lightbox__close { top: 1.5rem; right: 1.5rem; }
.lightbox__prev { left: 1rem; top: 50%; transform: translateY(-50%); }
.lightbox__next { right: 1rem; top: 50%; transform: translateY(-50%); }
.lightbox__counter { position: absolute; bottom: 1.5rem; left: 50%; transform: translateX(-50%); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.22em; color: oklch(0.965 0.008 80 / 0.7); }

/* 17. CTA SECTION ------------------------------------- */
.cta-section { border-top: 1px solid var(--border-clr); }
.cta-grid { display: grid; gap: 2.5rem; }
.cta-action { }
.cta-link { display: inline-flex; align-items: center; gap: 0.75rem; margin-top: 2rem; font-size: 0.875rem; font-weight: 500; text-transform: uppercase; letter-spacing: 0.2em; transition: color 0.2s; }
.cta-link:hover { color: var(--bronze); }

/* 18. CONTACT FORM ------------------------------------ */
.contact-grid { display: grid; gap: 4rem; }
.form-grid { display: grid; gap: 2.5rem; }
.form-full { }
.form-label { display: block; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.2em; color: var(--muted-fg); margin-bottom: 0.75rem; }
.form-input,
.form-select,
.form-textarea { display: block; width: 100%; padding: 0.75rem 0; background: transparent; border: none; border-bottom: 1px solid var(--border-clr); font-family: var(--font-sans); font-size: 1rem; color: var(--charcoal); outline: none; transition: border-color 0.2s; -webkit-appearance: none; appearance: none; }
.form-input:focus,
.form-select:focus,
.form-textarea:focus { border-bottom-color: var(--bronze); }
.form-textarea { resize: none; }
.form-submit { display: inline-flex; align-items: center; gap: 0.75rem; margin-top: 3rem; font-size: 0.75rem; font-weight: 500; text-transform: uppercase; letter-spacing: 0.22em; color: var(--charcoal); transition: color 0.2s; border: 0; cursor: pointer;}
.form-submit:hover { color: var(--bronze); }
.contact-info { }
.contact-block + .contact-block { margin-top: 3rem; }
.contact-block-text { margin-top: 1rem; font-size: 1rem; line-height: 1.7; color: oklch(0.22 0.005 60 / 0.85); }
.contact-block-text small { font-size: 0.75rem; color: var(--muted-fg); }

/* 19. ABOUT ------------------------------------------- */
.about-split { display: grid; gap: 3rem; }
.about-split img { width: 100%; height: 100%; object-fit: cover; }
.about-split-text { }

.values-grid { display: grid; gap: 2rem; margin-top: 5rem; }
.value-block { display: grid; grid-template-columns: 2rem 1fr; gap: 1.5rem; border-top: 1px solid var(--border-clr); padding-top: 2rem; }
.value-num { font-family: var(--font-serif); font-size: 1.5rem; color: var(--bronze); }
.value-title { font-family: var(--font-serif); font-size: 1.875rem; }
.value-desc { margin-top: 1rem; font-size: 1rem; line-height: 1.7; color: var(--muted-fg); }

.team-grid { display: grid; gap: 3.5rem; margin-top: 5rem; }
.team-member { border-top: 1px solid var(--border-clr); padding-top: 1.5rem; }
.team-name { font-family: var(--font-serif); font-size: 1.5rem; }
.team-role { margin-top: 0.25rem; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.18em; color: var(--bronze); }
.team-bio { margin-top: 1.25rem; font-size: 0.875rem; line-height: 1.7; color: var(--muted-fg); }

/* 20. PROCESSES --------------------------------------- */
.process-detail { border-bottom: 1px solid var(--border-clr); }
.process-grid { display: grid; gap: 3rem; padding: 5rem 0; align-items: center; }
.p-img .stage-img { aspect-ratio: 4/5; overflow: hidden; background-color: var(--secondary-bg); }
.p-img .stage-img img { width: 100%; height: 100%; object-fit: cover; }
.p-num { font-family: var(--font-serif); font-size: 3rem; color: var(--bronze); }
.p-title { margin-top: 1rem; }
.p-desc { margin-top: 1.5rem; }
.p-points { margin-top: 2rem; border-top: 1px solid var(--border-clr); padding-top: 1.5rem; display: flex; flex-direction: column; gap: 0.5rem; }
.p-point { display: flex; align-items: center; gap: 1rem; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.2em; color: var(--muted-fg); }
.p-point-line { display: block; height: 1px; width: 1.5rem; background-color: var(--bronze); flex-shrink: 0; }

.expertise-grid { display: grid; gap: 3rem; }
.expertise-group { border-top: 1px solid oklch(0.965 0.008 80 / 0.15); padding-top: 1.5rem; }
.expertise-title { font-family: var(--font-serif); font-size: 1.875rem; color: var(--bone); }
.expertise-list { margin-top: 1.5rem; display: flex; flex-direction: column; gap: 0.75rem; font-size: 0.875rem; line-height: 1.7; color: oklch(0.965 0.008 80 / 0.7); }

/* 21. ARTICLE PAGE ------------------------------------ */
.article-cover-wrap { margin-top: 4rem; aspect-ratio: 16/9; width: 100%; overflow: hidden; background-color: var(--secondary-bg); }
.article-cover-wrap img { width: 100%; height: 100%; object-fit: cover; }
.article-cover-wrap--video iframe,
.article-cover-wrap--video embed,
.article-cover-wrap--video object,
.article-cover-wrap--video video { width: 100%; height: 100%; border: 0; }
.article-body { max-width: 48rem; margin: 0 auto; padding: 5rem var(--px); }
.article-p { margin-bottom: 1.5rem; font-size: 1.125rem; line-height: 1.8; color: oklch(0.22 0.005 60 / 0.85); }
.article-p.first-para::first-letter { font-family: var(--font-serif); font-size: 4rem; line-height: 1; float: left; margin-right: 0.75rem; margin-top: 0.25rem; color: var(--bronze); }
.article-h2 { margin-top: 4rem; margin-bottom: 1.5rem; font-family: var(--font-serif); font-size: clamp(1.5rem, 3vw, 2.25rem); }
.article-quote { margin: 3.5rem 0; padding-left: 2rem; border-left: 2px solid var(--bronze); font-family: var(--font-serif); font-size: clamp(1.25rem, 2.5vw, 1.875rem); font-style: italic; line-height: 1.4; }
.article-figure { margin: 3.5rem -1.5rem; }
.article-figure img { aspect-ratio: 4/3; width: 100%; object-fit: cover; }

.breadcrumbs { display: flex; align-items: center; gap: 0.5rem; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.18em; color: var(--muted-fg); }
.breadcrumbs a { transition: color 0.2s; }
.breadcrumbs a:hover { color: var(--bronze); }
.breadcrumbs .sep { opacity: 0.5; }

/* 22. LEGAL ------------------------------------------- */

/* Page wrapper */
.legal-page {
  padding-top: 8rem;
}

/* Breadcrumb */
.legal-breadcrumb {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--px);
}

/* Two-column layout: sidebar 3/12 + content 8/12 (gap 1 col) */
.legal-grid {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 4rem var(--px) 6rem;
  display: grid;
  gap: 3rem;
}

/* Sidebar */
.legal-sidebar { }
.legal-nav {
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.legal-nav a {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  line-height: 1.2;
  color: oklch(0.22 0.005 60 / 0.5);
  transition: color 0.2s;
}
.legal-nav a:hover,
.legal-nav a.current { color: var(--bronze); }

/* Content */
.legal-content { }
.legal-wrapper { padding: 0; max-width: none; margin: 0; }
.legal-date { margin-top: 1rem; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.2em; color: var(--muted-fg); }
.legal-body { margin-top: 3rem; }
.legal-section + .legal-section { margin-top: 2.5rem; }
.legal-section h2 { font-family: var(--font-serif); font-size: 1.5rem; color: var(--bronze); }
.legal-section p, .legal-section div { margin-top: 1rem; font-size: 1rem; line-height: 1.8; color: oklch(0.22 0.005 60 / 0.85); }
.legal-section a { color: var(--bronze); text-decoration: underline; }
.legal-section ul { margin-top: 1rem; padding-left: 0; }
.legal-section li { margin-top: 0.5rem; font-size: 1rem; line-height: 1.7; color: oklch(0.22 0.005 60 / 0.85); }

.faq-list { margin-top: 3.5rem; }
.faq-item { border-top: 1px solid var(--border-clr); }
.faq-item:last-child { border-bottom: 1px solid var(--border-clr); }
.faq-question { display: flex; align-items: center; justify-content: space-between; width: 100%; padding: 1.5rem 0; text-align: left; font-family: var(--font-serif); font-size: 1.25rem; transition: color 0.2s; gap: 1rem; }
.faq-question:hover { color: var(--bronze); }
.faq-icon { width: 1.25rem; height: 1.25rem; flex-shrink: 0; transition: transform 0.3s; }
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-answer { display: none; padding-bottom: 1.5rem; font-size: 1rem; line-height: 1.7; color: var(--muted-fg); max-width: 40rem; }
.faq-item.open .faq-answer { display: block; }

/* 23. Utilities --------------------------------------- */
.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; }
.mt-4  { margin-top: 1rem;   }
.mt-6  { margin-top: 1.5rem; }
.mt-8  { margin-top: 2rem;   }
.mt-10 { margin-top: 2.5rem; }
.mt-12 { margin-top: 3rem;   }
.mt-14 { margin-top: 3.5rem; }
.mt-16 { margin-top: 4rem;   }
.mt-20 { margin-top: 5rem;   }
.text-bronze { color: var(--bronze); }
.text-bone   { color: var(--bone);   }
.text-muted  { color: var(--muted-fg); }
.italic { font-style: italic; }
.serif  { font-family: var(--font-serif); }
.max-w-md  { max-width: 28rem; }
.max-w-xl  { max-width: 36rem; }
.max-w-2xl { max-width: 42rem; }
.max-w-3xl { max-width: 48rem; }


/* =====================================================
   MEDIA QUERIES
   ===================================================== */

/* --- min-width: 640px -------------------------------- */
@media (min-width: 640px) {
  .gallery-columns { columns: 2; }
  .hero-lead {
    font-size: 1.3rem;
  }
  .hero-links a {
    font-size: 1rem;
  }
}

/* --- min-width: 768px -------------------------------- */
@media (min-width: 768px) {
  /* Custom properties */
  :root { --px: 2.5rem; }

  /* Layout */
  .section-py    { padding-top: 9rem; padding-bottom: 9rem; }
  .section-py-lg { padding-top: 9rem; padding-bottom: 9rem; }

  /* Legal */
  .legal-page    { padding-top: 11rem; }
  .legal-grid    {
    grid-template-columns: repeat(12, 1fr);
    gap: 3rem;
    padding: 6rem var(--px) 9rem;
  }
  .legal-sidebar { grid-column: span 3; }
  .legal-content { grid-column: 5 / span 8; }

  /* Header */
  .header-logo img { height: 3rem; }

  /* Footer */
  .footer-top  { grid-template-columns: 5fr 7fr; padding: 7rem 0; }
  .footer-cols { grid-template-columns: repeat(3, 1fr); }
  .footer-bottom { flex-direction: row; align-items: center; justify-content: space-between; }

  /* Hero */
  .hero-content { padding-bottom: 6rem; }
  .hero-bottom  { flex-direction: row; align-items: flex-end; justify-content: space-between; }
  .page-hero    { padding-top: 11rem; }
  .page-hero-img { aspect-ratio: 21/9; margin-top: 6rem; }
  .project-hero-content { padding-bottom: 7rem; }

  /* Intro / split */
  .intro-grid  { grid-template-columns: 5fr 7fr; gap: 3.5rem; }
  .split-grid  { grid-template-columns: 1fr 1fr; }
  .split-img   { aspect-ratio: auto; min-height: 600px; }
  .split-text  { padding: 9rem 4rem; }
  .section-header { grid-template-columns: 5fr 7fr; }

  /* Process overview */
  .process-overview { grid-template-columns: repeat(5, 1fr); gap: 2rem; }

  /* Stats */
  .stats-grid { grid-template-columns: repeat(4, 1fr); }

  /* Portfolio */
  .portfolio-grid { grid-template-columns: repeat(12, 1fr); }
  .p-wide          { grid-column: span 7; }
  .p-narrow        { grid-column: span 5; }
  .p-narrow.offset { padding-top: 8rem; }
  .p-wide.offset   { padding-top: 5rem; }

  /* News */
  .news-grid { grid-template-columns: repeat(3, 1fr); }

  /* Project detail */
  .specs-grid    { grid-template-columns: repeat(5, 1fr); gap: 2rem; padding: 4rem 0; }
  .overview-grid { grid-template-columns: 3fr 8fr; gap: 3rem; }
  .challenge-grid { grid-template-columns: repeat(3, 1fr); gap: 2.5rem; }
  .gallery-hint  { display: block; }
  .gallery-columns { gap: 2rem; }
  .gallery-item  { margin-bottom: 2rem; }
  .lightbox__prev { left: 2rem; }
  .lightbox__next { right: 2rem; }

  /* CTA */
  .cta-grid   { grid-template-columns: 7fr 5fr; align-items: end; }
  .cta-action { padding-left: 2.5rem; }

  /* Contact */
  .contact-grid { grid-template-columns: 7fr 4fr; }
  .form-grid    { grid-template-columns: repeat(2, 1fr); }
  .form-full    { grid-column: span 2; }
  .contact-info { padding-left: 3rem; border-left: 1px solid var(--border-clr); }

  /* About */
  .about-split      { grid-template-columns: 7fr 4fr; }
  .about-split-text { grid-column-start: 2; }
  .about-story      { grid-template-columns: 4fr 8fr; }
  .values-grid      { grid-template-columns: repeat(2, 1fr); }
  .team-grid        { grid-template-columns: repeat(3, 1fr); }

  /* Processes */
  .processes-intro { grid-template-columns: 8fr 4fr; align-items: start; }
  .process-grid    { grid-template-columns: 7fr 5fr; gap: 4rem; padding: 8rem 0; }
  .process-grid.reversed .p-img { order: 2; }
  .process-grid.reversed .p-text { order: 1; }
  .p-img .stage-img  { aspect-ratio: 4/3; }
  .expertise-grid    { grid-template-columns: repeat(3, 1fr); }

  /* Article */
  .article-cover-wrap { aspect-ratio: 21/9; margin-top: 6rem; }
  .article-body   { padding: 7rem 1.5rem; }
  .article-figure { margin: 3.5rem -5rem; }

  .gallery-header {
      align-items: flex-end;
      flex-direction: row;
  }

}

/* --- min-width: 1350px ------------------------------- */
@media (min-width: 1350px) {
  .header-inner  { height: 6rem; }
  .header-nav    { display: flex; }
  .header-cta    { display: inline-block; }
  .lang-switcher { display: inline-flex; }
  .menu-toggle   { display: none; }
}