:root {
  --brand-black: #000000;
  --brand-white: #ffffff;
  --brand-blue: #4b6fd6;
  --font-sans: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --color-fons: #ffffff;
  --color-superficie: #f7f8fa;
  --color-superficie-elevada: #ffffff;
  --color-fons-suau: #eef1f6;
  --color-text: #111111;
  --color-text-suau: #4d5562;
  --color-text-apagat: #7a8494;
  --color-vora: #e4e8ee;
  --color-vora-forta: #d3d9e3;
  --color-accent: #4b6fd6;
  --color-accent-hover: #3e60c6;
  --color-accent-suau: #dde6ff;
  --color-exit: #2e9e5b;
  --color-error: #d64545;
  --contenidor-max: 1180px;
  --contenidor-padding: clamp(1rem, 4vw, 2rem);
  --espai-xs: .5rem;
  --espai-sm: .75rem;
  --espai-md: 1rem;
  --espai-lg: 1.5rem;
  --espai-xl: 2rem;
  --espai-2xl: 3rem;
  --espai-3xl: 4.5rem;
  --espai-4xl: 6rem;
  --radi-sm: .375rem;
  --radi-md: .75rem;
  --radi-lg: 1.25rem;
  --radi-pastilla: 999px;
  --ombra-suau: 0 12px 30px rgba(0,0,0,.08);
  --ombra-targeta: 0 18px 50px rgba(0,0,0,.12);
  --transicio-rapida: 160ms ease;
  --transicio-base: 240ms ease;
  color-scheme: light;
}

[data-theme="dark"] {
  --color-fons: #0d0f13;
  --color-superficie: #161a21;
  --color-superficie-elevada: #1a1f28;
  --color-fons-suau: #1e2430;
  --color-text: #f5f7fa;
  --color-text-suau: #c9d0da;
  --color-text-apagat: #98a2b3;
  --color-vora: #2b3342;
  --color-vora-forta: #3a4558;
  --color-accent: #6e8ef0;
  --color-accent-hover: #84a0f5;
  --color-accent-suau: #24355f;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--color-fons);
  color: var(--color-text);
  letter-spacing: 0;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }

.skip-link {
  position: fixed;
  left: 1rem;
  top: .5rem;
  z-index: 20;
  transform: translateY(-200%);
  padding: .7rem 1rem;
  background: var(--color-accent);
  color: #fff;
  border-radius: var(--radi-sm);
}
.skip-link:focus { transform: translateY(0); }
:focus-visible { outline: 3px solid var(--color-accent); outline-offset: 4px; }

.container {
  width: min(var(--contenidor-max), 100% - (var(--contenidor-padding) * 2));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--color-vora);
  background: color-mix(in srgb, var(--color-fons) 88%, transparent);
  backdrop-filter: blur(18px);
}

.header-inner {
  min-height: 4.8rem;
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: var(--espai-md);
  align-items: center;
}

.brand {
  display: inline-flex;
  align-items: center;
  width: fit-content;
}
.brand-logo {
  width: clamp(12.5rem, 32vw, 17.5rem);
  height: auto;
  max-height: 3.5rem;
}
.site-nav {
  display: none;
  align-items: center;
  gap: clamp(1rem, 2vw, 1.8rem);
  font-size: .9rem;
  font-weight: 650;
}
.site-nav a { color: var(--color-text); transition: color var(--transicio-rapida); }
.site-nav a:hover { color: var(--color-accent); }

.header-tools { display: flex; align-items: center; gap: .55rem; }
.language-switcher,
.mobile-language-switcher {
  display: none;
  gap: .25rem;
}
.language-switcher a,
.mobile-language-switcher a,
.theme-toggle,
.menu-toggle {
  min-width: 2.5rem;
  min-height: 2.5rem;
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--color-vora);
  border-radius: var(--radi-pastilla);
  background: var(--color-superficie-elevada);
  color: var(--color-text);
  font-size: .78rem;
  font-weight: 800;
}
.language-switcher a.is-active,
.mobile-language-switcher a.is-active { color: var(--color-accent); border-color: var(--color-accent); }
.theme-toggle, .menu-toggle { cursor: pointer; }
.menu-toggle {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: .2rem;
}
.menu-toggle span {
  width: 1rem;
  height: 2px;
  border-radius: var(--radi-pastilla);
  background: currentColor;
  display: block;
  transition: transform var(--transicio-rapida), opacity var(--transicio-rapida);
  transform-origin: center;
}
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(.325rem) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-.325rem) rotate(-45deg); }

.site-nav.is-open {
  position: absolute;
  inset: calc(100% + 1px) var(--contenidor-padding) auto;
  display: grid;
  gap: .3rem;
  padding: .8rem;
  border: 1px solid var(--color-vora);
  border-radius: var(--radi-md);
  background: var(--color-superficie-elevada);
  box-shadow: var(--ombra-suau);
}
.site-nav.is-open a { padding: .75rem .9rem; border-radius: var(--radi-sm); }
.site-nav.is-open a:hover { background: var(--color-fons-suau); }
.site-nav.is-open .mobile-language-switcher {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .5rem;
  margin-top: .45rem;
  padding-top: .75rem;
  border-top: 1px solid var(--color-vora);
}
.site-nav.is-open .mobile-language-switcher a {
  flex: 1;
  min-width: 0;
  min-height: 2.45rem;
  padding: .7rem .5rem;
}

.section { padding-block: var(--espai-3xl); }
.hero {
  min-height: calc(100svh - 4.8rem);
  display: grid;
  align-items: center;
  padding-block: var(--espai-xl);
  overflow: hidden;
}
.hero-grid { display: grid; gap: var(--espai-xl); align-items: center; }
.hero-copy { max-width: 37rem; }
.hero h1 {
  margin: 0;
  font-size: clamp(2.65rem, 11vw, 5.65rem);
  line-height: .95;
  font-weight: 650;
}
.hero p {
  max-width: 34rem;
  margin: var(--espai-lg) 0 0;
  color: var(--color-text-suau);
  line-height: 1.65;
}
.button-row { display: flex; flex-wrap: wrap; gap: .85rem; margin-top: var(--espai-xl); }
.btn {
  min-height: 2.85rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: .8rem 1.15rem;
  border-radius: var(--radi-sm);
  border: 1px solid var(--color-vora-forta);
  font-size: .78rem;
  font-weight: 850;
  text-transform: uppercase;
  transition: transform var(--transicio-base), background var(--transicio-base), border-color var(--transicio-base);
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { border-color: var(--color-accent); background: var(--color-accent); color: #fff; }
.btn-primary:hover { background: var(--color-accent-hover); }
.btn-secondary { background: transparent; color: var(--color-text); }

.hero-media {
  margin: 0;
  align-self: stretch;
  min-height: 19rem;
  position: relative;
}
.hero-media img {
  width: 100%;
  height: 100%;
  min-height: 19rem;
  object-fit: cover;
  filter: grayscale(1);
}
.hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--color-fons) 0%, transparent 38%);
  pointer-events: none;
}

.about { background: var(--color-superficie); border-block: 1px solid var(--color-vora); }
.about-grid, .contact-grid { display: grid; gap: var(--espai-xl); }
.section-title p, .eyebrow {
  margin: 0 0 .65rem;
  color: var(--color-accent);
  font-size: .78rem;
  font-weight: 850;
  text-transform: uppercase;
}
.section-title h2, .contact h2 {
  margin: 0;
  font-size: clamp(1.8rem, 6vw, 3.15rem);
  line-height: 1.1;
  font-weight: 520;
}
.section-title span {
  display: block;
  width: 3rem;
  height: 3px;
  margin-top: var(--espai-lg);
  background: var(--color-accent);
}
.centered { text-align: center; }
.centered span { margin-inline: auto; }
.about-text { color: var(--color-text-suau); line-height: 1.75; }
.signature {
  margin-top: var(--espai-lg);
}
.signature-logo {
  width: min(14rem, 70%);
  height: auto;
}

.featured { background: var(--color-fons); }
.feature-grid { display: grid; gap: var(--espai-lg); margin-top: var(--espai-2xl); }
.feature-card {
  display: grid;
  gap: 0;
  overflow: hidden;
  border: 1px solid var(--color-vora);
  border-radius: var(--radi-md);
  background: var(--color-superficie-elevada);
  box-shadow: var(--ombra-suau);
  transition: transform var(--transicio-base), box-shadow var(--transicio-base);
}
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--ombra-targeta); }
.feature-card img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: grayscale(1);
  transition: transform 600ms ease;
}
.feature-card:hover img { transform: scale(1.045); }
.feature-card div { padding: var(--espai-lg); }
.feature-card p:first-child {
  margin: 0 0 .5rem;
  color: var(--color-accent);
  font-size: .72rem;
  font-weight: 850;
  text-transform: uppercase;
}
.feature-card h3 { margin: 0; font-size: 1.35rem; }
.feature-card p { color: var(--color-text-suau); line-height: 1.55; }
.feature-card a { color: var(--color-accent); font-weight: 800; font-size: .85rem; }

.contact { border-top: 1px solid var(--color-vora); background: var(--color-superficie); }
.contact-copy p:not(.eyebrow) { color: var(--color-text-suau); line-height: 1.65; }
.contact-form {
  display: grid;
  grid-template-columns: 1fr;
  gap: .85rem;
}
.contact-form label { display: grid; gap: .4rem; color: var(--color-text-apagat); font-size: .82rem; font-weight: 700; }
.contact-form input, .contact-form textarea {
  width: 100%;
  border: 1px solid var(--color-vora-forta);
  border-radius: var(--radi-sm);
  background: var(--color-superficie-elevada);
  color: var(--color-text);
  padding: .85rem .9rem;
}
.contact-form textarea { resize: vertical; line-height: 1.5; }
.privacy-check {
  grid-template-columns: 1.1rem minmax(0, 1fr);
  align-items: start;
  gap: .7rem;
  color: var(--color-text-suau);
  line-height: 1.45;
}
.privacy-check input {
  width: 1.05rem;
  height: 1.05rem;
  min-height: 0;
  margin-top: .15rem;
  padding: 0;
  accent-color: var(--color-accent);
}
.privacy-check a {
  color: var(--color-accent);
  font-weight: 850;
  text-decoration: underline;
  text-underline-offset: .18em;
}
.hp-field { position: absolute; left: -9999px; }
.form-status { min-height: 1.4rem; margin: 0; font-weight: 750; }
.form-status.is-ok { color: var(--color-exit); }
.form-status.is-error { color: var(--color-error); }

.site-footer {
  border-top: 2px solid var(--color-accent);
  padding-block: var(--espai-xl);
}
.footer-inner {
  display: grid;
  gap: var(--espai-lg);
  align-items: center;
}
.footer-brand { display: inline-flex; align-items: center; gap: .65rem; width: fit-content; }
.footer-brand span {
  width: 3rem;
  height: 3rem;
  display: grid;
  place-items: center;
  border-radius: 50%;
  overflow: hidden;
}
.footer-icon { width: 3rem; height: 3rem; }
.social-links {
  display: flex;
  gap: .65rem;
}
.social-link {
  width: 2.35rem;
  height: 2.35rem;
  display: inline-grid;
  place-items: center;
  border: 1px solid color-mix(in srgb, var(--color-vora-forta) 72%, transparent);
  border-radius: var(--radi-sm);
  background: color-mix(in srgb, var(--color-superficie-elevada) 78%, transparent);
  color: var(--color-text-suau);
  transition: color var(--transicio-rapida), border-color var(--transicio-rapida), background var(--transicio-rapida), transform var(--transicio-rapida), box-shadow var(--transicio-rapida);
}
.social-icon {
  width: 1.05rem;
  height: 1.05rem;
  display: block;
  flex: none;
}
.social-icon-wide { width: 1.28rem; }
.social-text { font-size: .72rem; font-weight: 850; line-height: 1; }
.social-link:hover {
  transform: translateY(-2px);
  border-color: var(--color-accent);
  background: var(--color-accent-suau);
  color: var(--color-accent);
  box-shadow: 0 10px 22px color-mix(in srgb, var(--color-accent) 18%, transparent);
}
.site-footer p { color: var(--color-text-apagat); margin: 0; }
.site-footer p a { color: var(--color-text-suau); }

.legal-page { min-height: 55svh; display: grid; align-items: center; }
.legal-content {
  max-width: 52rem;
  padding-block: var(--espai-3xl);
}
.legal-content h1 {
  margin: 0 0 var(--espai-lg);
  font-size: clamp(2.2rem, 7vw, 4.6rem);
  line-height: 1;
  font-weight: 600;
}
.legal-content p:not(.eyebrow),
.legal-body {
  color: var(--color-text-suau);
  font-size: 1.1rem;
  line-height: 1.75;
}
.legal-body {
  white-space: pre-line;
}

.reveal { opacity: 0; transform: translateY(18px); transition: opacity 700ms ease, transform 700ms ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (min-width: 48rem) {
  .language-switcher { display: flex; }
  .mobile-language-switcher { display: none; }
  .feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .contact-form { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .contact-form .is-wide, .contact-form .form-status { grid-column: 1 / -1; }
  .footer-inner { grid-template-columns: 1fr auto 1fr; }
  .site-footer p { text-align: right; }
}

@media (min-width: 62rem) {
  .menu-toggle { display: none; }
  .site-nav { display: flex; }
  .site-nav .mobile-language-switcher { display: none; }
  .hero-grid { grid-template-columns: .9fr 1.1fr; }
  .hero-media { min-height: 34rem; margin-right: calc(var(--contenidor-padding) * -1); }
  .about-grid, .contact-grid { grid-template-columns: .75fr 1fr; align-items: start; }
  .section { padding-block: var(--espai-4xl); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}