:root {
  --bg: #050505;
  --text: #f4efe7;
  --text-muted: rgba(244, 239, 231, 0.72);
  --text-faint: rgba(244, 239, 231, 0.4);
  --line: rgba(255,255,255,.08);
  --warning-red: rgba(183, 21, 0, 1);
  --warning-red-text: #140605;

  --space-1: .25rem;
  --space-2: .5rem;
  --space-3: .75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;

  --text-xs: clamp(.66rem, .65rem + .07vw, .74rem);
  --text-sm: clamp(.78rem, .77rem + .1vw, .86rem);
  --text-base: clamp(.9rem, .88rem + .14vw, .98rem);
  --text-lg: clamp(1rem, .96rem + .28vw, 1.14rem);
  --text-xl: clamp(1.45rem, 1rem + 1.8vw, 2.9rem);

  --container: 1440px;
  --hero-shell: 1680px;
  --hero-column: 27rem;

  --transition-fast: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 1100ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Imatge de fons del hero — arxiu dins projects/avariada/assets/images/ */
  --bg-img-1: url("../images/DSC00824.JPG");

  /* Variables del header (copiades de la pagina principal) */
  --header-ink: rgba(243, 238, 230, 0.48);
  --header-ink-hover: rgba(243, 238, 230, 0.96);
  --header-line: rgba(243, 238, 230, 0.34);
  --header-line-hover: rgba(243, 238, 230, 0.88);
  --header-height: 3.72rem;
  --symbol-size: 3.72rem;
  --header-font:
    "Century Gothic",
    "Didact Gothic",
    "Questrial",
    "Avenir Next",
    "Futura",
    "Trebuchet MS",
    sans-serif;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: "Helvetica Neue", "HelveticaNeue", Helvetica, Arial, sans-serif;
  font-size: var(--text-base);
  line-height: 1.35;
  overflow-x: hidden;
  position: relative;
}

a {
  color: inherit;
  text-decoration: none;
  transition: opacity var(--transition-fast), color var(--transition-fast);
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

:focus-visible {
  outline: 2px solid rgba(255,255,255,.55);
  outline-offset: 3px;
}

.bg-system {
  position: absolute;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
  background: #050505;
}

.bg-layer,
.bg-overlay,
.bg-vignette,
.bg-noise {
  position: absolute;
  inset: 0;
}

.bg-layer {
  opacity: 0;
  transform: scale(1.015);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  transition: opacity var(--transition-slow), transform 1.8s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.bg-layer.is-active {
  opacity: 1;
  transform: scale(1);
}

.bg-layer-1 { background-image: var(--bg-img-1); }

.bg-overlay {
  background:
    linear-gradient(to bottom, rgba(0,0,0,.06), rgba(0,0,0,.12) 24%, rgba(0,0,0,.22) 72%, rgba(0,0,0,.3)),
    linear-gradient(to right, rgba(0,0,0,.04), transparent 24%, transparent 76%, rgba(0,0,0,.05));
}

.bg-vignette {
  background: radial-gradient(circle at center, transparent 52%, rgba(0,0,0,.04) 72%, rgba(0,0,0,.12) 100%);
}

.bg-noise {
  opacity: .04;
  mix-blend-mode: soft-light;
  background-image:
    radial-gradient(circle at 20% 20%, rgba(255,255,255,.08) 0 1px, transparent 1px),
    radial-gradient(circle at 70% 35%, rgba(255,255,255,.05) 0 1px, transparent 1px),
    radial-gradient(circle at 45% 70%, rgba(255,255,255,.04) 0 1px, transparent 1px);
  background-size: 180px 180px, 220px 220px, 260px 260px;
}

.container {
  width: min(100% - 1.2rem, var(--container));
  margin-inline: auto;
}

/* ---- Header (identic a la pagina principal) ---- */

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  height: var(--header-height);
}

.header-strip {
  position: relative;
  width: 100%;
  height: var(--header-height);
  display: flex;
  align-items: center;
  background: linear-gradient(to bottom, rgba(5, 5, 5, 0.66), rgba(5, 5, 5, 0.14));
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.symbol-box {
  position: absolute;
  left: 0;
  top: 0;
  width: var(--symbol-size);
  height: var(--symbol-size);
  display: grid;
  place-items: center;
  border-right: 1px solid rgba(255, 255, 255, 0.035);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  overflow: hidden;
}

.symbol-box::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.006);
  pointer-events: none;
}

.symbol-box__char {
  position: relative;
  z-index: 2;
  color: rgba(243, 238, 230, 0.42);
  font-family: var(--header-font);
  font-size: 1.9rem;
  font-weight: 400;
  line-height: 1;
  display: inline-block;
  transform: translateY(-0.03rem);
  transition: opacity 160ms ease, transform 160ms ease, color 160ms ease;
}

.header-inner {
  width: 100%;
  height: var(--header-height);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-5);
  padding-left: calc(var(--symbol-size) + 1rem);
  padding-right: 1.35rem;
}

.header-left {
  display: flex;
  align-items: center;
  min-width: 0;
  flex-shrink: 0;
}

.brand {
  color: var(--header-ink);
  display: inline-flex;
  align-items: center;
  min-height: 2rem;
  white-space: nowrap;
  transition: color 180ms ease;
}

.brand span {
  display: inline-block;
  font-family: var(--header-font);
  font-size: clamp(0.94rem, 0.91rem + 0.06vw, 1rem);
  font-weight: 400;
  letter-spacing: 0.015em;
  line-height: 1;
}

.header-right {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.55rem;
  min-width: 0;
  margin-left: auto;
}

.lang-toggle {
  display: inline-flex;
  align-items: center;
  min-height: 2rem;
  padding-bottom: 0.32rem;
  margin-left: 0.3rem;
}

.lang-toggle__button {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.12rem;
  min-height: 2rem;
  padding: 0.12rem 0.18rem;
  color: var(--header-ink);
  font-family: var(--header-font);
  font-size: clamp(0.88rem, 0.84rem + 0.05vw, 0.94rem);
  line-height: 1;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: color 180ms ease;
}

.lang-toggle__button::before {
  content: "";
  position: absolute;
  left: 0.18rem;
  right: 0.18rem;
  bottom: 0.02rem;
  height: 1px;
  background: var(--header-line);
  transition: background-color 180ms ease;
}

.lang-toggle__button:hover {
  color: var(--header-ink-hover);
}

.lang-toggle__button:hover::before {
  background: var(--header-line-hover);
}

.lang-toggle__code {
  opacity: 0.42;
  transition: opacity 180ms ease, color 180ms ease;
}

.lang-toggle__divider {
  opacity: 0.32;
  margin-inline: 0.12rem;
}

.lang-toggle__code.is-active {
  opacity: 1;
  color: var(--header-ink-hover);
}

.brand:hover {
  color: var(--header-ink-hover);
}

/* ---- Hero / contingut ---- */

main {
  position: relative;
  z-index: 10;
}

.hero {
  position: relative;
  overflow: hidden;
  min-height: 100svh;
  display: grid;
  align-items: end;
  padding: calc(var(--header-height) + 1rem) 0 1rem;
}

.hero-shell {
  width: min(100% - 2rem, var(--hero-shell));
  margin-inline: auto;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  align-items: end;
  min-height: calc(100svh - 6.2rem);
}

.hero-inner {
  width: min(100%, var(--hero-column));
}

.warning-banner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .55rem;
  width: 100%;
  margin-bottom: var(--space-4);
  padding: .95rem 2.3rem 1rem;
  background: var(--warning-red);
  color: var(--warning-red-text);
  text-transform: uppercase;
  line-height: 1;
  text-align: center;
}

.warning-banner strong {
  display: block;
  width: 100%;
  font-size: clamp(1.75rem, 1.1rem + 2.7vw, 4.2rem);
  font-weight: 700;
  letter-spacing: -.05em;
  text-align: center;
}

.warning-banner span {
  display: block;
  width: 100%;
  font-size: clamp(1.02rem, .98rem + .22vw, 1.18rem);
  font-style: normal;
  font-weight: 600;
  text-transform: none;
  letter-spacing: 0;
  line-height: 1.15;
  text-align: center;
  opacity: .98;
  font-family: "Helvetica Neue", "HelveticaNeue", Helvetica, Arial, sans-serif;
}

.hero-text {
  width: 100%;
  max-width: none;
  margin-top: var(--space-4);
  color: var(--text-muted);
  font-size: var(--text-sm);
  line-height: 1.5;
  text-align: justify;
  text-justify: inter-word;
}

.project-gallery {
  position: relative;
  z-index: 10;
  padding: var(--space-20) 0;
}

.gallery-shell {
  width: min(100% - 2rem, var(--hero-shell));
  margin-inline: auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
}

.project-photo {
  width: 100%;
  aspect-ratio: 4 / 5;
  overflow: hidden;
}

.project-photo img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

@media (max-width: 720px) {
  .gallery-shell {
    grid-template-columns: 1fr;
  }
}

.fade-in {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity 700ms cubic-bezier(0.16, 1, 0.3, 1),
    transform 700ms cubic-bezier(0.16, 1, 0.3, 1);
}

.fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (min-width: 1024px) {
  .hero-shell {
    width: min(100% - 3rem, var(--hero-shell));
  }

  .hero-grid {
    grid-template-columns: minmax(22rem, 34rem) 1fr;
  }

  .hero-inner {
    grid-column: 1;
    align-self: end;
    margin-left: clamp(.5rem, 2vw, 2rem);
  }
}

@media (max-width: 720px) {
  .hero {
    padding-top: 6rem;
  }

  .hero-shell {
    width: min(100% - 1.25rem, var(--hero-shell));
  }

  .hero-inner {
    width: 100%;
  }

  .warning-banner {
    padding: .85rem 1.6rem .95rem;
  }
}

@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;
  }

  .fade-in {
    opacity: 1;
    transform: none;
  }

  .bg-layer {
    transform: none;
  }
}