/* =====================================================================
   NUCAA — Design System
   Light / Dark / High-Contrast themes via [data-theme] on <html>.
   Font-size scaling via [data-fontsize] on <html>.
   System font stack on purpose: zero webfont requests = faster LCP.
   ===================================================================== */

/* ---------- 1. Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body, h1, h2, h3, h4, p, figure, blockquote, dl, dd, ul, ol { margin: 0; }
ul[class], ol[class] { list-style: none; padding: 0; margin: 0; }
img, picture, svg { max-width: 100%; display: block; }
input, button, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; }
a { color: inherit; }
table { border-collapse: collapse; width: 100%; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ---------- 2. Design tokens ---------- */
:root{
  --font-base: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;

  --space-1: .25rem;
  --space-2: .5rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2.5rem;
  --space-6: 4rem;
  --space-7: 6rem;

  --container: 1180px;
  --shadow-sm: 0 1px 3px rgba(15,23,42,.10), 0 1px 2px rgba(15,23,42,.06);
  --shadow-md: 0 8px 24px rgba(15,23,42,.12);
  --shadow-lg: 0 20px 48px rgba(15,23,42,.16);

  --transition: 180ms ease;
}

/* Light theme (default) */
:root,
:root[data-theme="light"]{
  --color-bg: #ffffff;
  --color-bg-alt: #f3f7fb;
  --color-surface: #ffffff;
  --color-text: #16212c;
  --color-text-muted: #4b5768;
  --color-heading: #0b1a2b;
  --color-primary: #0b4f8a;
  --color-primary-dark: #073a63;
  --color-primary-contrast: #ffffff;
  --color-accent: #c1650a;
  --color-accent-dark: #9a4f08;
  --color-accent-contrast: #ffffff;
  --color-border: #dbe3ec;
  --color-focus: #c1650a;
  --color-link: #0b4f8a;
  --color-success-bg: #e7f6ec;
  --color-success-text: #1c6b34;
  --color-danger-text: #b3261e;
  color-scheme: light;
}

/* Dark theme */
:root[data-theme="dark"]{
  --color-bg: #101820;
  --color-bg-alt: #17212c;
  --color-surface: #1b2732;
  --color-text: #eef3f8;
  --color-text-muted: #b7c3d1;
  --color-heading: #ffffff;
  --color-primary: #7cb6f2;
  --color-primary-dark: #a9d1fb;
  --color-primary-contrast: #08202f;
  --color-accent: #ffb25c;
  --color-accent-dark: #ffcf9b;
  --color-accent-contrast: #2a1600;
  --color-border: #2c3947;
  --color-focus: #ffb25c;
  --color-link: #8ec2f8;
  --color-success-bg: #123420;
  --color-success-text: #7fe3a2;
  --color-danger-text: #ff9c94;
  color-scheme: dark;
}

/* High-contrast theme (WCAG AAA-oriented, black/yellow) */
:root[data-theme="high-contrast"]{
  --color-bg: #000000;
  --color-bg-alt: #000000;
  --color-surface: #000000;
  --color-text: #ffffff;
  --color-text-muted: #ffffff;
  --color-heading: #ffff00;
  --color-primary: #ffff00;
  --color-primary-dark: #ffff00;
  --color-primary-contrast: #000000;
  --color-accent: #00ffff;
  --color-accent-dark: #00ffff;
  --color-accent-contrast: #000000;
  --color-border: #ffffff;
  --color-focus: #00ffff;
  --color-link: #ffff00;
  --color-success-bg: #000000;
  --color-success-text: #00ff66;
  --color-danger-text: #ff6666;
  color-scheme: dark;
}
:root[data-theme="high-contrast"] img{ filter: contrast(1.1); }

/* Font-size scaling (applied to <html>, controlled by the a11y toolbar) */
:root[data-fontsize="sm"]{ font-size: 93.75%; }
:root[data-fontsize="md"]{ font-size: 100%; }
:root[data-fontsize="lg"]{ font-size: 112.5%; }
:root[data-fontsize="xl"]{ font-size: 125%; }

/* ---------- 3. Base ---------- */
html { scroll-behavior: smooth; }
body{
  font-family: var(--font-base);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: background var(--transition), color var(--transition);
}
main{ flex: 1 0 auto; }

h1, h2, h3, h4 { color: var(--color-heading); line-height: 1.2; font-weight: 800; }
h1{ font-size: clamp(2rem, 1.5rem + 2vw, 3rem); }
h2{ font-size: clamp(1.5rem, 1.25rem + 1.2vw, 2.25rem); margin-bottom: var(--space-3); }
h3{ font-size: clamp(1.15rem, 1.05rem + .5vw, 1.5rem); margin-bottom: var(--space-2); }
h4{ font-size: 1.05rem; margin-bottom: var(--space-2); }
p{ margin-bottom: var(--space-3); color: var(--color-text); max-width: 68ch; }
p.lead{ font-size: 1.15rem; color: var(--color-text-muted); }

a{ text-decoration-color: transparent; text-underline-offset: 3px; transition: color var(--transition); }
a:hover{ color: var(--color-accent); }
main a:not(.btn):not(.card):not(.nav-link){
  color: var(--color-link);
  text-decoration: underline;
  text-decoration-color: currentColor;
}

/* Visible focus ring everywhere — required for keyboard navigation */
:focus{ outline: none; }
:focus-visible{
  outline: 3px solid var(--color-focus);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* Skip link */
.skip-link{
  position: absolute;
  left: var(--space-3);
  top: -100px;
  background: var(--color-accent);
  color: var(--color-accent-contrast);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  font-weight: 700;
  z-index: 1000;
  transition: top var(--transition);
}
.skip-link:focus{ top: var(--space-3); }

/* Screen-reader only */
.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;
}

.container{ max-width: var(--container); margin-inline: auto; padding-inline: var(--space-3); }
.section{ padding-block: var(--space-6); }
.section-alt{ background: var(--color-bg-alt); }
.section-head{ max-width: 60ch; margin-bottom: var(--space-5); }
.section-head p{ color: var(--color-text-muted); }

/* ---------- 4. Buttons ---------- */
.btn{
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .9rem 1.75rem;
  border-radius: 999px;
  font-weight: 700;
  border: 2px solid transparent;
  min-height: 44px;
  text-decoration: none;
  transition: transform var(--transition), background var(--transition), border-color var(--transition), color var(--transition), box-shadow var(--transition);
}
.btn:hover{ transform: translateY(-2px); }
.btn-primary{ background: var(--color-accent); color: var(--color-accent-contrast); box-shadow: 0 8px 20px -8px color-mix(in srgb, var(--color-accent) 70%, transparent); }
.btn-primary:hover{ background: var(--color-accent-dark); color: var(--color-accent-contrast); }
.btn-outline{ background: transparent; border-color: currentColor; color: var(--color-primary); }
:root[data-theme="high-contrast"] .btn-outline{ color: var(--color-text); }
:root[data-theme="high-contrast"] .btn-primary{ box-shadow: none; }
.btn-outline:hover{ background: var(--color-primary); color: var(--color-primary-contrast); }
.btn-block{ width: 100%; }
.btn-sm{ padding: .5rem 1.1rem; min-height: 36px; font-size: .9rem; }

/* ---------- 5. Header / Nav ---------- */
.site-header{
  position: sticky; top: 0; z-index: 500;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}
.header-bar{
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--space-3);
  padding-block: .9rem;
}
.brand{ display: flex; align-items: center; gap: .6rem; font-weight: 800; font-size: 1.1rem; }
.brand img{ height: 63px; width: auto; }

.main-nav{ display: flex; align-items: center; }
.nav-list{ display: flex; align-items: center; gap: var(--space-4); }
.nav-list > li{ position: relative; }
.has-submenu{ display: flex; align-items: center; }
.nav-link{
  display: inline-flex; align-items: center; gap: .3rem;
  padding: .5rem .25rem;
  font-weight: 600;
  border-bottom: 2px solid transparent;
}
.nav-link:hover, .nav-link[aria-current="page"]{ border-bottom-color: var(--color-accent); color: var(--color-text); }

.submenu-trigger{
  background: transparent; border: 0; text-align: start;
}
.submenu-arrow{ flex: none; color: var(--color-text-muted); transition: transform var(--transition), color var(--transition); }
.submenu-trigger[aria-expanded="true"] .submenu-arrow{ transform: rotate(180deg); }
.has-submenu:hover .submenu-arrow,
.has-submenu:focus-within .submenu-arrow,
.submenu-trigger[aria-expanded="true"] .submenu-arrow{ color: var(--color-text); }

.submenu{
  display: none;
  position: absolute; top: 100%; left: 0;
  min-width: 300px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  padding: .5rem;
  z-index: 600;
}
.has-submenu:hover > .submenu,
.has-submenu:focus-within > .submenu{ display: block; }
.submenu li a{
  display: block; padding: .65rem .75rem; border-radius: var(--radius-sm); font-weight: 500;
}
.submenu li a:hover, .submenu li a:focus-visible{ background: var(--color-bg-alt); color: var(--color-text); }

.nav-toggle{
  display: none;
  background: transparent; border: 2px solid var(--color-border); border-radius: var(--radius-sm);
  padding: .5rem .65rem;
}
.nav-toggle .icon-close{ display: none; }
.nav-toggle[aria-expanded="true"] .icon-open{ display: none; }
.nav-toggle[aria-expanded="true"] .icon-close{ display: block; }

/* ---------- 6. Accessibility toolbar ---------- */
.a11y-bar{
  background: var(--color-primary-dark);
  color: var(--color-primary-contrast);
  font-size: .85rem;
}
:root[data-theme="high-contrast"] .a11y-bar{ background: #000; border-bottom: 1px solid #fff; }
.a11y-bar .container{
  display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-3);
  padding-block: .4rem;
}
.a11y-group{ display: flex; align-items: center; gap: .35rem; margin-inline-end: auto; }
.a11y-bar button{
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.35);
  color: inherit;
  border-radius: var(--radius-sm);
  padding: .3rem .6rem;
  min-height: 32px;
  font-weight: 700;
  font-size: .85rem;
}
:root[data-theme="high-contrast"] .a11y-bar button{ background: #000; border-color: #fff; }
.a11y-bar button:hover{ background: rgba(255,255,255,.24); }
.a11y-bar button[aria-pressed="true"]{ background: var(--color-accent); border-color: var(--color-accent); color: var(--color-accent-contrast); }
.a11y-label{ font-weight: 700; margin-inline-end: .25rem; }
.a11y-theme-group{ display: flex; gap: .35rem; }

/* ---------- 7. Hero ---------- */
.hero{
  position: relative;
  padding-block: var(--space-7) var(--space-6);
  background: linear-gradient(180deg, var(--color-bg-alt), var(--color-bg));
  overflow: hidden;
  isolation: isolate;
}
.hero::before{
  content: "";
  position: absolute; z-index: -1;
  top: -18%; right: -10%;
  width: 46rem; height: 46rem;
  background:
    radial-gradient(circle at 30% 30%, color-mix(in srgb, var(--color-accent) 22%, transparent), transparent 60%),
    radial-gradient(circle at 65% 65%, color-mix(in srgb, var(--color-primary) 20%, transparent), transparent 60%);
  border-radius: 50%;
  filter: blur(10px);
}
:root[data-theme="high-contrast"] .hero::before{ display: none; }
.hero-grid{ display: grid; grid-template-columns: 1.1fr .9fr; gap: var(--space-6); align-items: center; }
.hero h1{ margin-bottom: var(--space-3); }
.hero p.lead{ margin-bottom: var(--space-4); }
.hero-actions{ display: flex; flex-wrap: wrap; gap: var(--space-3); }
.hero-media{
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 4/3;
}
.hero-media::after{
  content: "";
  position: absolute; inset: 0;
  border-radius: inherit;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.15);
  background: linear-gradient(200deg, transparent 60%, color-mix(in srgb, var(--color-primary-dark) 55%, transparent));
  pointer-events: none;
}
.hero-media img{ width: 100%; height: 100%; object-fit: cover; }

/* Vertical video embed (ex: YouTube Shorts) */
.hero-grid--video{ align-items: center; }
.video-embed{
  position: relative;
  width: min(100%, 420px);
  aspect-ratio: 1 / 1;
  margin-inline: auto;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  background: #000;
}
.video-embed iframe{
  position: absolute; inset: 0; width: 100%; height: 100%; border: 0;
}
.video-embed__play{
  position: absolute; inset: 0; width: 100%; height: 100%;
  padding: 0; border: 0; background: none; cursor: pointer;
}
.video-embed__play img{ width: 100%; height: 100%; object-fit: cover; display: block; }
.video-embed__play::before{
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,.15), rgba(0,0,0,.45));
  transition: background var(--transition);
}
.video-embed__play:hover::before{ background: rgba(0,0,0,.55); }
.video-embed__icon{
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  display: inline-flex; align-items: center; justify-content: center;
  width: 68px; height: 68px; border-radius: 50%;
  background: var(--color-accent); color: var(--color-accent-contrast);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition), background var(--transition);
}
.video-embed__play:hover .video-embed__icon{ transform: translate(-50%, -50%) scale(1.08); background: var(--color-accent-dark); }
.video-embed__icon svg{ margin-left: 3px; }
.page-hero{ position: relative; padding-block: var(--space-6); background: var(--color-bg-alt); overflow: hidden; isolation: isolate; }
.page-hero::before{
  content: "";
  position: absolute; z-index: -1; top: -60%; right: -8%;
  width: 26rem; height: 26rem; border-radius: 50%;
  background: radial-gradient(circle, color-mix(in srgb, var(--color-accent) 16%, transparent), transparent 65%);
}
:root[data-theme="high-contrast"] .page-hero::before{ display: none; }
.page-hero-grid{ display: grid; grid-template-columns: 1.15fr .85fr; gap: var(--space-6); align-items: center; }
.page-hero-media{
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 4 / 3;
}
.page-hero-media img{ width: 100%; height: 100%; object-fit: cover; }
.page-hero-media::after{
  content: "";
  position: absolute; inset: 0; border-radius: inherit;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.15);
  background: linear-gradient(200deg, transparent 60%, color-mix(in srgb, var(--color-primary-dark) 45%, transparent));
  pointer-events: none;
}
.page-hero .eyebrow{
  display: inline-flex; align-items: center; gap: .5rem;
  color: var(--color-accent); font-weight: 800; letter-spacing: .06em; text-transform: uppercase; font-size: .82rem;
  margin-bottom: .5rem;
}
.page-hero .eyebrow::before{ content: ""; width: 8px; height: 8px; border-radius: 50%; background: currentColor; }

/* Breadcrumbs */
.breadcrumbs{ font-size: .85rem; color: var(--color-text-muted); margin-bottom: var(--space-4); }
.breadcrumbs ol{
  display: flex; flex-wrap: wrap; align-items: center; gap: .45rem;
  list-style: none; padding: 0; margin: 0;
}
.breadcrumbs li{ display: flex; align-items: center; gap: .45rem; }
.breadcrumbs li:not(:last-child)::after{ content: "/"; opacity: .4; }
.breadcrumbs a{ text-decoration: underline; text-decoration-color: transparent; }
.breadcrumbs a:hover{ text-decoration-color: currentColor; }
.breadcrumbs li[aria-current="page"]{ color: var(--color-text); font-weight: 700; }

/* ---------- 8. Cards / grids ---------- */
.grid{ display: grid; gap: var(--space-4); }
.grid-3{ grid-template-columns: repeat(3, 1fr); }
.grid-2{ grid-template-columns: repeat(2, 1fr); }
.card{
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex; flex-direction: column;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
  height: 100%;
}
.card::before{
  content: "";
  position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-primary));
  transform: scaleX(0); transform-origin: left;
  transition: transform var(--transition);
}
.card:hover{ transform: translateY(-4px); box-shadow: var(--shadow-md); }
.card:hover::before{ transform: scaleX(1); }
.card-media{ aspect-ratio: 16/10; overflow: hidden; background: var(--color-bg-alt); }
.card-media img{ width: 100%; height: 100%; object-fit: cover; }
.card-body{ padding: var(--space-4); display: flex; flex-direction: column; gap: .6rem; flex: 1; }
.card-body p{ color: var(--color-text-muted); flex: 1; }
.card-link{ font-weight: 700; color: var(--color-primary); }
:root[data-theme="high-contrast"] .card-link{ color: var(--color-heading); }

.icon-list{ display: grid; gap: 2rem; }
.icon-list li{ display: flex; gap: .9rem; align-items: flex-start; }
.icon-list .icon{ flex: none; width: 28px; height: 28px; margin-top: .1rem; color: var(--color-accent); }
.icon-list h3{ margin-bottom: .15rem; }
.icon-list p{ margin-bottom: 0; color: var(--color-text-muted); }
.icon-list + .hero-actions{ margin-top: 2rem; }
.hero-actions + .icon-list{ margin-top: 2rem; }

/* Client logos */
.client-grid{ display: grid; grid-template-columns: repeat(6, 1fr); gap: var(--space-3); align-items: center; }
.client-grid .client{
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  display: flex; align-items: center; justify-content: center;
  aspect-ratio: 3/2;
}
.client-grid img{ max-height: 48px; width: auto; object-fit: contain; filter: grayscale(1); opacity: .8; transition: var(--transition); }
.client-grid .client:hover img{ filter: none; opacity: 1; }
:root[data-theme="high-contrast"] .client-grid img{ filter: none; opacity: 1; background: #fff; padding: 4px; }

/* Blog featured image */
.featured-image{
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  margin-bottom: var(--space-5);
  aspect-ratio: 16 / 9;
}
.featured-image img{ width: 100%; height: 100%; object-fit: cover; }

/* Photo gallery */
.gallery{ display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-3); }
.gallery figure{ border-radius: var(--radius-md); overflow: hidden; box-shadow: var(--shadow-sm); }
.gallery img{ width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.gallery figcaption{ padding: .5rem .75rem; font-size: .85rem; background: var(--color-surface); color: var(--color-text-muted); }

/* Coverage (cidades atendidas / imóveis aceitos) */
.coverage-grid{ display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-4); margin-block: var(--space-3) var(--space-5); }
.coverage-card{
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}
.coverage-card:hover{ transform: translateY(-4px); box-shadow: var(--shadow-md); }
.coverage-icon, .icon-badge{
  display: inline-flex; align-items: center; justify-content: center;
  width: 46px; height: 46px; border-radius: 50%;
  background: color-mix(in srgb, var(--color-accent) 14%, var(--color-bg-alt));
  color: var(--color-accent);
  margin-bottom: var(--space-3);
}
:root[data-theme="high-contrast"] .coverage-icon,
:root[data-theme="high-contrast"] .icon-badge{ background: #000; border: 1px solid var(--color-accent); }

/* Highlight pills row (e.g. under a hero lead paragraph) */
.highlight-row{ display: flex; flex-wrap: wrap; gap: var(--space-3); margin-top: var(--space-4); }
.highlight-row li{
  display: inline-flex; align-items: center; gap: .6rem;
  padding: .6rem 1.1rem; border-radius: 999px;
  background: var(--color-surface); border: 1px solid var(--color-border);
  font-weight: 700; font-size: .92rem; box-shadow: var(--shadow-sm);
}
.highlight-row li svg{ flex: none; color: var(--color-accent); }
.coverage-card h3{ margin-bottom: .5rem; }
.coverage-card p{ color: var(--color-text-muted); margin-bottom: 0; }
.coverage-tags h3{ margin-bottom: var(--space-3); }
.tag-list{ display: flex; flex-wrap: wrap; gap: .6rem; list-style: none; padding: 0; margin: 0; }
.tag-list li{
  padding: .5rem 1.1rem; border-radius: 999px;
  background: var(--color-surface); border: 1px solid var(--color-border);
  font-weight: 600; font-size: .88rem; color: var(--color-text);
  transition: border-color var(--transition), color var(--transition);
}
.tag-list li:hover{ border-color: var(--color-accent); color: var(--color-accent); }
:root[data-theme="high-contrast"] .tag-list li:hover{ color: var(--color-text); }

/* Profile card (e.g. sócio-administrador) */
.profile-card{
  display: grid; grid-template-columns: auto 1fr; gap: var(--space-4);
  align-items: center;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--space-5);
}
.profile-card img{
  width: 96px; height: 96px; border-radius: 50%;
  object-fit: cover; box-shadow: var(--shadow-sm);
  border: 3px solid var(--color-bg-alt);
}
.profile-card .profile-role{
  display: block; color: var(--color-accent); font-weight: 700;
  font-size: .8rem; text-transform: uppercase; letter-spacing: .05em;
  margin-bottom: .3rem;
}
.profile-card h3{ margin-bottom: .35rem; }
.profile-card p{ margin-bottom: 0; color: var(--color-text-muted); }
@media (max-width: 480px){
  .profile-card{ grid-template-columns: 1fr; text-align: center; justify-items: center; }
}

/* ---------- 8b. Project case-study layout ---------- */
.project-layout{ display: grid; grid-template-columns: 1.6fr 1fr; gap: var(--space-6); align-items: start; }
.project-facts{
  position: sticky; top: calc(64px + var(--space-4));
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  box-shadow: var(--shadow-sm);
}
.project-facts h2{
  font-size: .8rem; text-transform: uppercase; letter-spacing: .08em;
  color: var(--color-text-muted); margin-bottom: var(--space-4);
}
.project-facts dl{ display: grid; gap: var(--space-3); margin: 0; }
.project-facts > dl > div{ border-top: 1px solid var(--color-border); padding-top: var(--space-3); }
.project-facts > dl > div:first-child{ border-top: 0; padding-top: 0; }
.project-facts dt{ font-size: .75rem; text-transform: uppercase; letter-spacing: .05em; color: var(--color-text-muted); font-weight: 700; margin-bottom: .2rem; }
.project-facts dd{ margin: 0; font-weight: 700; color: var(--color-heading); }

.pull-quote{
  border-left: 4px solid var(--color-accent);
  padding-left: var(--space-4);
  margin-block: var(--space-5);
  font-size: 1.2rem; line-height: 1.5; font-style: italic; font-weight: 600;
  color: var(--color-heading);
  max-width: 60ch;
}

.gallery-phase{ margin-top: var(--space-5); }
.gallery-phase > h3{ display: flex; align-items: center; gap: .6rem; margin-bottom: var(--space-3); }
.gallery-phase > h3 .badge{ font-size: .72rem; }

/* CTA banner */
.cta-banner{
  background: var(--color-primary);
  color: var(--color-primary-contrast);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); flex-wrap: wrap;
}
.cta-banner h2, .cta-banner p{ color: inherit; margin: 0; }
:root[data-theme="high-contrast"] .cta-banner{ border: 2px solid #fff; }

/* ---------- 9. Forms ---------- */
.form-field{ margin-bottom: var(--space-3); }
.form-field label{ display: block; font-weight: 700; margin-bottom: .35rem; }
.form-field .hint{ font-size: .82rem; color: var(--color-text-muted); font-weight: 400; }
.form-field input, .form-field textarea{
  width: 100%;
  padding: .75rem .9rem;
  min-height: 46px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-text);
}
.form-field textarea{ min-height: 140px; resize: vertical; }
.form-field input:focus, .form-field textarea:focus{ border-color: var(--color-accent); }
.form-field.has-error input, .form-field.has-error textarea{ border-color: var(--color-danger-text); }
.form-error{ color: var(--color-danger-text); font-size: .85rem; margin-top: .3rem; font-weight: 700; }
.form-status{ border-radius: var(--radius-md); padding: var(--space-3); margin-top: var(--space-3); font-weight: 700; }
.form-status[data-state="success"]{ background: var(--color-success-bg); color: var(--color-success-text); }
.form-status[data-state="error"]{ background: transparent; border: 2px solid var(--color-danger-text); color: var(--color-danger-text); }
.form-status[hidden]{ display: none; }

/* ---------- 10. Footer ---------- */
.site-footer{
  position: relative;
  background: linear-gradient(180deg, var(--color-heading), #060d16);
  color: #a9bbd0;
  margin-top: var(--space-7);
}
.site-footer::before{
  content: "";
  display: block; height: 4px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-primary), var(--color-accent));
}
:root[data-theme="dark"] .site-footer{ background: linear-gradient(180deg, #0b141d, #05090e); }
:root[data-theme="high-contrast"] .site-footer{ background: #000; border-top: 2px solid #fff; color: #fff; }
:root[data-theme="high-contrast"] .site-footer::before{ display: none; }
.site-footer a{ color: #a9bbd0; }
.site-footer p{ color: inherit; }
:root[data-theme="high-contrast"] .site-footer a{ color: #ffff00; }

.footer-grid{ display: grid; grid-template-columns: 1.3fr .9fr .9fr .9fr; gap: var(--space-5); padding-block: var(--space-7) var(--space-5); }
.footer-grid > div > h2{ color: #fff; font-size: 1.35rem; margin-bottom: var(--space-2); }
.footer-grid > div > p{ color: #7c8ea3; max-width: 34ch; }
.footer-grid nav h2{
  color: #fff; font-size: .78rem; font-weight: 800;
  letter-spacing: .1em; text-transform: uppercase; margin-bottom: var(--space-3);
}
.footer-grid ul{ display: grid; gap: .7rem; }
.footer-grid nav a{ text-decoration: none; display: inline-block; transition: color var(--transition), transform var(--transition); }
.footer-grid nav a:hover{ color: #fff; transform: translateX(3px); }

.footer-contact-list li a{ display: inline-flex; align-items: center; gap: .7rem; }
.footer-contact-list svg{
  flex: none; width: 34px; height: 34px; padding: 8px; box-sizing: border-box;
  border-radius: 50%;
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.14);
  color: var(--color-accent);
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
}
.footer-contact-list a:hover svg{ background: var(--color-accent); border-color: var(--color-accent); color: var(--color-accent-contrast); transform: translateY(-2px); }
:root[data-theme="high-contrast"] .footer-contact-list svg{ background: #000; border-color: #fff; color: #ffff00; }

.footer-social{ display: flex; gap: .6rem; margin-top: var(--space-4); }
.footer-social a{
  display: inline-flex; align-items: center; justify-content: center;
  width: 42px; height: 42px; border-radius: var(--radius-md);
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.14);
  transition: background var(--transition), border-color var(--transition), transform var(--transition), color var(--transition);
}
.footer-social a:hover{ background: var(--color-accent); border-color: var(--color-accent); color: var(--color-accent-contrast); transform: translateY(-3px); }
:root[data-theme="high-contrast"] .footer-social a{ background: #000; border-color: #fff; }

.footer-bottom{ border-top: 1px solid rgba(255,255,255,.1); padding-block: var(--space-4); font-size: .85rem; background: rgba(0,0,0,.18); }
.footer-bottom .container{ display: flex; flex-direction: column; justify-content: center; align-items: center; gap: .35rem; text-align: center; }
.footer-bottom p{ color: #a9bbd0; }
.footer-bottom a{ font-weight: 700; color: #c7d4e3; }
.footer-bottom a:hover{ color: var(--color-accent); }
:root[data-theme="high-contrast"] .footer-bottom a{ color: #ffff00; }
:root[data-theme="high-contrast"] .footer-bottom p{ color: #fff; }

/* ---------- 11. WhatsApp float ---------- */
.whatsapp-float{
  position: fixed; right: var(--space-4); bottom: var(--space-4); z-index: 700;
  display: inline-flex; align-items: center; justify-content: center;
  width: 60px; height: 60px; border-radius: 50%;
  background: #25D366; color: #06210f;
  box-shadow: var(--shadow-lg);
  border: 2px solid rgba(0,0,0,.05);
  animation: whatsapp-pulse 2.6s ease-in-out infinite;
}
.whatsapp-float:hover{ transform: scale(1.08); color: #06210f; animation-play-state: paused; }
.whatsapp-float svg{ width: 30px; height: 30px; }
:root[data-theme="high-contrast"] .whatsapp-float{ background: #00ffff; border: 2px solid #fff; animation: none; }
@keyframes whatsapp-pulse{
  0%, 100%{ box-shadow: var(--shadow-lg), 0 0 0 0 rgba(37,211,102,.5); }
  50%{ box-shadow: var(--shadow-lg), 0 0 0 10px rgba(37,211,102,0); }
}

/* ---------- 11b. Cookie banner ---------- */
.cookie-banner{
  position: fixed; left: var(--space-4); bottom: var(--space-4); z-index: 750;
  max-width: 360px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--space-4);
  display: flex; flex-direction: column; gap: var(--space-3);
}
.cookie-banner[hidden]{ display: none; }
.cookie-banner p{ margin: 0; font-size: .85rem; color: var(--color-text-muted); }
.cookie-banner a{ text-decoration: underline; }
:root[data-theme="high-contrast"] .cookie-banner{ border: 2px solid #fff; }
@media (max-width: 480px){
  .cookie-banner{ left: var(--space-3); right: var(--space-3); max-width: none; bottom: calc(54px + var(--space-3) + var(--space-2)); }
}

/* ---------- 12. Glossary index ---------- */
.alpha-jump{ display: flex; flex-wrap: wrap; gap: .4rem; margin-bottom: var(--space-5); }
.alpha-jump a{
  display: inline-flex; align-items: center; justify-content: center;
  width: 38px; height: 38px; border-radius: var(--radius-sm);
  background: var(--color-bg-alt); border: 1px solid var(--color-border);
  font-weight: 800; text-decoration: none;
}
.alpha-jump a:hover{ background: var(--color-primary); color: var(--color-primary-contrast); }
.glossary-letter{ margin-bottom: var(--space-5); scroll-margin-top: 6rem; }
.glossary-letter h2{
  display: inline-flex; align-items: center; justify-content: center;
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--color-primary); color: var(--color-primary-contrast);
  margin-bottom: var(--space-3);
}
.glossary-terms{ display: grid; grid-template-columns: repeat(3, 1fr); gap: .5rem .75rem; }
.glossary-terms a{ text-decoration: none; font-weight: 600; }
.glossary-terms a:hover{ text-decoration: underline; }

/* ---------- 13. Utility ---------- */
.text-center{ text-align: center; }
.mt-0{ margin-top: 0; }
.mt-4{ margin-top: var(--space-4); }
.stack{ display: grid; gap: var(--space-3); }
.badge{
  display: inline-block; padding: .25rem .65rem; border-radius: 999px;
  background: var(--color-bg-alt); border: 1px solid var(--color-border);
  font-size: .78rem; font-weight: 700; color: var(--color-text-muted);
}

/* ---------- 14. Responsive ---------- */
@media (max-width: 960px){
  .hero-grid{ grid-template-columns: 1fr; }
  .contact-info-col{ order: -1; margin-bottom: var(--space-5); }
  .grid-3{ grid-template-columns: repeat(2, 1fr); }
  .footer-grid{ grid-template-columns: 1fr 1fr; }
  .client-grid{ grid-template-columns: repeat(4, 1fr); }
  .coverage-grid{ grid-template-columns: 1fr; }
  .project-layout{ grid-template-columns: 1fr; }
  .project-facts{ position: static; }
  .page-hero-grid{ grid-template-columns: 1fr; }
  .page-hero-media{ order: -1; aspect-ratio: 16/9; }
}

@media (max-width: 760px){
  .main-nav{
    position: fixed; inset: 0 0 0 auto; width: min(320px, 86vw); height: 100vh;
    background: var(--color-surface);
    transform: translateX(100%);
    transition: transform var(--transition);
    padding: var(--space-5) var(--space-4);
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
  }
  .main-nav.is-open{ transform: translateX(0); }
  .nav-list{ flex-direction: column; align-items: stretch; gap: 0; }
  .nav-list > li{ border-bottom: 1px solid var(--color-border); }
  .has-submenu{ flex-direction: column; align-items: stretch; }
  .submenu-trigger{ justify-content: space-between; width: 100%; min-height: 44px; }
  .submenu{ display: none; position: static; box-shadow: none; border: 0; width: 100%; padding-left: var(--space-3); }
  .has-submenu[data-open="true"] > .submenu{ display: block; }
  .nav-toggle{ display: inline-flex; }
  .a11y-group{ margin-inline-end: 0; }
  .grid-3, .grid-2{ grid-template-columns: 1fr; }
  .client-grid{ grid-template-columns: repeat(3, 1fr); }
  .gallery{ grid-template-columns: repeat(2, 1fr); }
  .glossary-terms{ grid-template-columns: 1fr 1fr; }
  .footer-grid{ grid-template-columns: 1fr; padding-block: var(--space-5) var(--space-3); }
  .footer-bottom .container{ flex-direction: column; }
  .cta-banner{ flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px){
  .client-grid{ grid-template-columns: repeat(2, 1fr); }
  .gallery{ grid-template-columns: 1fr 1fr; }
  .glossary-terms{ grid-template-columns: 1fr; }
  .whatsapp-float{ width: 54px; height: 54px; right: var(--space-3); bottom: var(--space-3); }
  .brand img{ height: 46px; }
}

/* Print */
@media print{
  .site-header, .whatsapp-float, .a11y-bar, .skip-link{ display: none; }
}
