:root {
  --color-primary: #111111;
  --color-secondary: #6f6a64;
  --color-text: #161616;
  --color-muted: #5e5e5e;
  --color-bg: #ffffff;
  --color-surface: #f8f7f5;
  --color-soft: #eeeae6;
  --color-border: #e6e2de;
  --font-base: 'Montserrat', sans-serif;
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --max-width: 1200px;
  --border-radius: 4px;
  --transition: 0.2s ease;
  --shadow-soft: 0 12px 30px rgba(17, 17, 17, 0.08);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-base);
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

body.admin-page {
  background: var(--color-surface);
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

button,
input,
textarea,
select {
  font: inherit;
}

button {
  color: inherit;
}

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 2000;
  transform: translateY(-160%);
  background: var(--color-primary);
  color: #fff;
  padding: 10px 14px;
  border-radius: var(--border-radius);
  transition: transform var(--transition);
}

.skip-link:focus {
  transform: translateY(0);
}

header {
  position: sticky;
  top: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  padding: 18px 40px;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: blur(10px);
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.logo {
  height: 40px;
  width: auto;
}

.nom-marca {
  color: var(--color-primary);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-left: auto;
}

.menu-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: transparent;
  border: 0;
  cursor: pointer;
  font-size: 1.7rem;
  line-height: 1;
  appearance: none;
  -webkit-appearance: none;
}

.menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 40px;
  display: none;
  min-width: 220px;
  flex-direction: column;
  align-items: flex-start;
  padding: 18px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-soft);
}

.menu.open {
  display: flex;
}

.menu a {
  width: 100%;
  padding: 8px 4px;
  color: var(--color-primary);
  font-size: var(--text-base);
  font-weight: 500;
  text-decoration: none;
}

.menu a:hover,
.menu a[aria-current='page'] {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.lang-switcher {
  display: flex;
  align-items: center;
  gap: 2px;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: 2px;
}

.lang-switcher button {
  min-width: 34px;
  min-height: 32px;
  border: 0;
  background: transparent;
  cursor: pointer;
  color: var(--color-muted);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.04em;
  transition: background var(--transition), color var(--transition);
}

.lang-switcher button:hover,
.lang-switcher button.active {
  background: var(--color-primary);
  color: #fff;
}

.container,
.legal-content {
  max-width: var(--max-width);
  margin: 60px auto;
  padding: 0 20px;
}

.container h1,
.legal-content h1 {
  margin-bottom: 30px;
  font-size: var(--text-3xl);
  font-weight: 400;
  line-height: 1.25;
  text-align: center;
  text-transform: uppercase;
  text-wrap: balance;
}

.legal-content {
  max-width: 860px;
}

.legal-content h2 {
  margin: 30px 0 10px;
  font-size: var(--text-xl);
  font-weight: 500;
}

.legal-content p {
  margin-bottom: 16px;
  color: #333;
}

footer {
  margin-top: 80px;
  background: var(--color-surface);
  color: var(--color-primary);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 30px;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 40px 20px;
}

.footer-col h3 {
  margin-bottom: 12px;
  font-size: var(--text-base);
  font-weight: 600;
  text-transform: uppercase;
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: 10px;
  color: #303030;
  font-size: var(--text-sm);
}

.footer-bottom {
  padding: 20px 10px;
  background: #f1f1f1;
  color: #666;
  text-align: center;
  font-size: var(--text-sm);
}

.footer-bottom img {
  height: 40px;
  margin: 0 auto 8px;
}

.hero {
  position: relative;
  width: 100%;
  min-height: 80dvh;
  overflow: hidden;
  background: #111;
}

.hero-carousel,
.hero-carousel img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-carousel img {
  object-fit: cover;
  opacity: 0;
  transition: opacity 1.4s ease-in-out;
}

.hero-carousel img.active {
  opacity: 1;
}

.hero-controls {
  position: absolute;
  right: 24px;
  bottom: 24px;
  z-index: 2;
  display: flex;
  gap: 8px;
}

.hero-controls button,
.lightbox button,
.project-nav a,
.back-link {
  border: 1px solid rgba(17, 17, 17, 0.22);
  background: rgba(255, 255, 255, 0.86);
  color: var(--color-primary);
  cursor: pointer;
  padding: 10px 14px;
  border-radius: var(--border-radius);
  transition: background var(--transition), transform var(--transition);
}

.hero-controls button:hover,
.lightbox button:hover,
.project-nav a:hover,
.back-link:hover {
  background: #fff;
  transform: translateY(-1px);
  text-decoration: none;
}

.seccio {
  padding: 80px 20px;
}

.seccio.clara {
  background-color: var(--color-surface);
}

.seccio.gris {
  background-color: var(--color-soft);
}

.resum-seccio {
  display: flex;
  align-items: center;
  gap: 40px;
  max-width: 1100px;
  margin: auto;
}

.resum-seccio:nth-child(even) {
  flex-direction: row-reverse;
}

.resum-seccio img {
  width: min(100%, 420px);
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.resum-text {
  flex: 1;
}

.resum-text h2 {
  margin-bottom: 10px;
  font-size: var(--text-2xl);
  font-weight: 400;
  text-transform: uppercase;
}

.resum-text p {
  max-width: 58ch;
  margin-bottom: 12px;
  color: #444;
}

.resum-text a,
.inline-link {
  font-weight: 600;
  text-underline-offset: 4px;
}

.estudi-section {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 60px;
  max-width: var(--max-width);
  margin: 80px auto;
  padding: 0 20px;
}

.estudi-foto img {
  width: min(100%, 450px);
  aspect-ratio: 4 / 5;
  object-fit: cover;
  box-shadow: var(--shadow-soft);
}

.estudi-text {
  flex: 1;
  max-width: 620px;
}

.estudi-text h1,
.contacte-text h1 {
  margin-bottom: 20px;
  font-size: var(--text-3xl);
  font-weight: 400;
  text-transform: uppercase;
}

.estudi-text p,
.contacte-text p {
  margin-bottom: 20px;
  color: #333;
  font-size: var(--text-lg);
}

.serveis-lista {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 860px;
  margin: 60px auto;
  padding: 0 20px;
}

.servei {
  width: 100%;
  padding: 20px 24px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  cursor: pointer;
  text-align: left;
  transition: box-shadow var(--transition), transform var(--transition);
}

.servei:hover {
  box-shadow: var(--shadow-soft);
  transform: translateY(-1px);
}

.servei h2 {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  color: #222;
  font-size: var(--text-xl);
  font-weight: 500;
}

.servei p {
  display: none;
  margin-top: 12px;
  color: #444;
  animation: fadeIn 0.22s ease-in-out;
}

.servei.active p {
  display: block;
}

.fletxa {
  flex: 0 0 auto;
  font-size: var(--text-sm);
}

.serveis-hero-simple {
  padding: 80px 20px 40px;
  background: var(--color-bg);
}

.serveis-hero-simple .container,
.servei-content {
  max-width: 920px;
}

.serveis-hero-simple h1 {
  margin-bottom: 18px;
  text-align: left;
}

.serveis-hero-simple p,
.servei-intro {
  max-width: 70ch;
  color: #333;
  font-size: var(--text-lg);
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 22px;
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.breadcrumb a {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.serveis-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 28px;
  margin-top: 28px;
}

.servei-card,
.projecte-card {
  background: #fff;
  border: 1px solid var(--color-border);
  transition: transform var(--transition), box-shadow var(--transition);
}

.servei-card:hover,
.projecte-card:hover {
  box-shadow: var(--shadow-soft);
  transform: translateY(-2px);
}

.servei-card a,
.projecte-card a {
  display: block;
  height: 100%;
  text-decoration: none;
}

.servei-card img,
.projecte-card-img img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.servei-card div,
.projecte-card-info {
  padding: 18px;
}

.servei-card h3,
.projecte-card-info h2,
.projecte-card-info h3 {
  margin-bottom: 8px;
  color: var(--color-primary);
  font-size: var(--text-lg);
  font-weight: 500;
}

.servei-card p,
.projecte-card-desc,
.projecte-card-lloc {
  color: #444;
  font-size: var(--text-sm);
}

.projecte-card-lloc {
  margin-bottom: 8px;
  color: var(--color-muted);
  text-transform: uppercase;
}

.servei-hero {
  position: relative;
  min-height: 560px;
  display: grid;
  align-items: end;
  overflow: hidden;
  background: #161616;
}

.servei-hero > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.58;
}

.servei-hero-text {
  position: relative;
  max-width: var(--max-width);
  width: 100%;
  margin: 0 auto;
  padding: 80px 20px;
  color: #fff;
}

.servei-hero-text .breadcrumb {
  color: rgba(255, 255, 255, 0.82);
}

.servei-hero-text h1 {
  max-width: 860px;
  margin-bottom: 18px;
  font-size: clamp(2rem, 4vw, 3.8rem);
  font-weight: 400;
  line-height: 1.12;
  text-transform: uppercase;
}

.servei-hero-text p {
  max-width: 680px;
  color: rgba(255, 255, 255, 0.9);
  font-size: var(--text-lg);
}

.servei-content h2 {
  margin: 28px 0 14px;
  font-size: var(--text-2xl);
  font-weight: 400;
  text-transform: uppercase;
}

.servei-checklist {
  display: grid;
  gap: 12px;
  margin: 22px 0 34px;
  list-style: none;
}

.servei-checklist li {
  padding-left: 18px;
  border-left: 3px solid var(--color-primary);
  color: #333;
}

.cta-seccio {
  text-align: center;
}

.cta-seccio h2 {
  margin-bottom: 10px;
  font-size: var(--text-2xl);
  font-weight: 400;
  text-transform: uppercase;
}

.cta-seccio p {
  max-width: 62ch;
  margin: 0 auto 22px;
  color: #333;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 18px;
  border: 1px solid var(--color-primary);
  background: var(--color-primary);
  color: #fff;
  font-weight: 600;
  text-decoration: none;
  transition: background var(--transition), color var(--transition), transform var(--transition);
}

.btn-primary:hover {
  background: #fff;
  color: var(--color-primary);
  transform: translateY(-1px);
  text-decoration: none;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(-5px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.projectes-toolbar {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-bottom: 34px;
}

.filtre-btn {
  border: 0;
  background: transparent;
  color: var(--color-primary);
  cursor: pointer;
  font-size: var(--text-base);
  font-weight: 500;
  padding: 10px 14px;
  transition: color var(--transition), background var(--transition);
}

.filtre-btn:hover,
.filtre-btn.actiu {
  background: var(--color-surface);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.projectes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 40px;
}

.projecte-box {
  position: relative;
  overflow: hidden;
  opacity: 0;
  transform: translateY(12px);
  animation: cardIn 0.45s ease forwards;
}

.projecte-link {
  display: block;
  text-decoration: none;
}

.projecte-box img {
  width: 100%;
  height: 400px;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  transition: filter 0.4s ease, transform 0.4s ease;
}

.projecte-box:hover img {
  filter: blur(2px);
  transform: scale(1.015);
}

.overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.45);
  backdrop-filter: blur(3px);
  color: var(--color-primary);
  font-size: var(--text-lg);
  font-weight: 600;
  opacity: 0;
  text-align: center;
  text-transform: uppercase;
  transition: opacity 0.3s ease;
}

.projecte-box:hover .overlay,
.projecte-link:focus-visible .overlay {
  opacity: 1;
}

.project-card-meta {
  padding-top: 12px;
}

.project-card-meta h2 {
  font-size: var(--text-lg);
  font-weight: 500;
  text-transform: uppercase;
}

.project-card-meta p {
  color: var(--color-muted);
  font-size: var(--text-sm);
}

@keyframes cardIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.projecte-galeria {
  max-width: 1000px;
  margin: 60px auto;
  padding: 0 20px;
}

.projecte-galeria h1 {
  margin-bottom: 10px;
  font-size: var(--text-3xl);
  font-weight: 400;
  line-height: 1.2;
  text-align: center;
  text-transform: uppercase;
}

.projecte-ubicacio {
  margin-bottom: 20px;
  color: #555;
  font-size: var(--text-lg);
  text-align: center;
  text-transform: uppercase;
}

.projecte-descripcio {
  max-width: 760px;
  margin: 0 auto 28px;
  color: #333;
  font-size: var(--text-lg);
  text-align: center;
}

.project-services {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin: 0 auto 40px;
  list-style: none;
}

.project-services li {
  padding: 6px 10px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  font-size: var(--text-sm);
}

.imatges-grans {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}

.imatges-grans button {
  width: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: zoom-in;
}

.imatges-grans img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  box-shadow: var(--shadow-soft);
}

.project-nav {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  margin-top: 42px;
}

.enrere {
  margin-top: 34px;
  text-align: center;
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 3000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(17, 17, 17, 0.86);
}

.lightbox.open {
  display: flex;
}

.lightbox img {
  max-height: 84dvh;
  width: auto;
  max-width: min(1100px, 100%);
  object-fit: contain;
}

.lightbox-close {
  position: absolute;
  top: 18px;
  right: 18px;
}

.lightbox-prev,
.lightbox-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
}

.lightbox-prev {
  left: 18px;
}

.lightbox-next {
  right: 18px;
}

.contacte-seccio {
  display: flex;
  min-height: calc(100dvh - 82px);
}

.contacte-text {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 60px;
  background-color: #fff;
}

.contact-links a {
  display: block;
  margin-bottom: 12px;
  color: var(--color-primary);
  font-size: var(--text-base);
  text-decoration: none;
}

.contact-links a:hover {
  text-decoration: underline;
}

.contacte-foto {
  flex: 1;
  overflow: hidden;
}

.contacte-foto img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.admin-shell {
  max-width: 1120px;
  margin: 40px auto;
  padding: 0 20px;
}

.admin-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-soft);
  padding: 24px;
}

.admin-login {
  max-width: 420px;
  margin: 12dvh auto;
}

.admin-topbar,
.admin-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.admin-btn,
.admin-form button {
  border: 1px solid var(--color-primary);
  background: var(--color-primary);
  color: #fff;
  cursor: pointer;
  padding: 10px 14px;
  border-radius: var(--border-radius);
  transition: background var(--transition), color var(--transition);
}

.admin-btn.secondary,
.admin-form button.secondary {
  background: #fff;
  color: var(--color-primary);
}

.admin-btn.danger {
  border-color: #8a1f1f;
  background: #8a1f1f;
}

.admin-form label {
  display: grid;
  gap: 6px;
  margin-bottom: 14px;
  color: #333;
  font-size: var(--text-sm);
  font-weight: 600;
}

.admin-form input,
.admin-form textarea,
.admin-form select {
  width: 100%;
  border: 1px solid var(--color-border);
  padding: 10px;
  border-radius: var(--border-radius);
  background: #fff;
}

.admin-form textarea {
  min-height: 110px;
  resize: vertical;
}

.admin-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.admin-list {
  display: grid;
  gap: 10px;
  margin-top: 24px;
}

.admin-project {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 14px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  cursor: grab;
}

.admin-project.dragging {
  opacity: 0.45;
}

.admin-project-title {
  font-weight: 600;
}

.admin-project small {
  color: var(--color-muted);
}

.admin-editor {
  margin-top: 24px;
}

.admin-message {
  margin-top: 12px;
  color: #3f3a35;
}

.hidden {
  display: none !important;
}

@media (max-width: 768px) {
  header {
    padding: 16px 20px;
  }

  .nom-marca {
    max-width: 150px;
    white-space: normal;
    line-height: 1.25;
  }

  .menu {
    right: 20px;
  }

  .lang-switcher button {
    min-width: 30px;
  }

  .hero {
    min-height: 68dvh;
  }

  .resum-seccio,
  .estudi-section,
  .contacte-seccio {
    flex-direction: column;
  }

  .estudi-section {
    margin: 48px auto;
    text-align: center;
  }

  .estudi-text h1 {
    text-align: center;
  }

  .contacte-text {
    padding: 36px 20px;
  }

  .contacte-foto {
    height: 320px;
    width: 100%;
  }

  .project-nav {
    flex-direction: column;
  }

  .serveis-hero-simple {
    padding: 48px 20px 20px;
  }

  .servei-hero {
    min-height: 460px;
  }

  .servei-hero-text {
    padding: 56px 20px;
  }

  .servei-hero-text h1 {
    font-size: var(--text-3xl);
  }

  .admin-grid {
    grid-template-columns: 1fr;
  }
}