/* ==========================================================================
   Esentai City — Component styles.
   Depends on tokens.css.
   ========================================================================== */

/* ---------- Reset essentials (most live in critical CSS in <head>) ---------- */
h1, h2, h3, h4, p, ul, ol, dl, dd, figure { margin: 0; padding: 0; }
ul, ol { list-style: none; }
button { padding: 0; }
:focus-visible { outline: none; box-shadow: var(--shadow-focus); border-radius: var(--radius-sm); }

/* ---------- Selection ---------- */
::selection { background: var(--color-brass); color: var(--color-canvas); }

/* ---------- Skip link ---------- */
.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  background: var(--color-ink);
  color: var(--color-canvas);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  z-index: var(--z-modal);
}
.skip-link:focus { top: 1rem; }

/* ==========================================================================
   Typography helpers
   ========================================================================== */
.micro-label {
  font-family: var(--font-body);
  font-size: var(--text-micro);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-uppercase);
  text-transform: uppercase;
  color: var(--color-brass);
  display: inline-block;
}

.lead {
  font-size: var(--text-body-lg);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
  max-width: 60ch;
}

.is-italic { font-style: italic; }
.is-brass { color: var(--color-brass); }
.is-muted { color: var(--color-ink-muted); }

.num {
  font-family: var(--font-mono);
  font-feature-settings: "tnum" 1;
  font-weight: var(--weight-medium);
  letter-spacing: 0;
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  min-height: 44px;
  border-radius: var(--radius-pill);
  font-family: var(--font-body);
  font-size: var(--text-body);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-snug);
  cursor: pointer;
  transition: background-color var(--dur-micro) var(--ease-out-quint),
              color var(--dur-micro) var(--ease-out-quint),
              transform var(--dur-micro) var(--ease-out-quint),
              border-color var(--dur-micro) var(--ease-out-quint);
  text-align: center;
  white-space: nowrap;
}

.btn--primary {
  background: var(--color-brass);
  color: var(--color-canvas);
}
.btn--primary:hover { background: var(--color-brass-hover); }
.btn--primary:active { transform: translateY(1px); }

.btn--ghost {
  background: transparent;
  color: var(--color-ink);
  border: 1px solid var(--color-border-strong);
}
.btn--ghost:hover { background: var(--color-surface-warm); border-color: var(--color-brass); }
.btn--ghost:active { transform: translateY(1px); }

.btn--lg { padding: 1rem 2rem; font-size: var(--text-body-lg); }

/* ==========================================================================
   Header
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background: rgba(245, 242, 236, 0.78);
  backdrop-filter: blur(14px) saturate(180%);
  -webkit-backdrop-filter: blur(14px) saturate(180%);
  transition: border-color var(--dur-micro) var(--ease-out-quint),
              background-color var(--dur-micro) var(--ease-out-quint);
  border-bottom: 1px solid transparent;
}
.site-header.is-scrolled {
  background: rgba(245, 242, 236, 0.92);
  border-bottom-color: var(--color-border);
}

.site-header__inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: var(--space-8);
  min-height: 72px;
}

.site-header__logo svg {
  height: 28px;
  width: auto;
  color: var(--color-ink);
}
.wm2-text { font-family: var(--font-display); font-weight: 400; fill: currentColor; font-size: 32px; letter-spacing: -0.015em; }
.wm2-city { font-style: italic; }

.site-nav {
  display: flex;
  gap: var(--space-5);
  justify-content: center;
}
.site-nav a {
  font-size: var(--text-caption);
  color: var(--color-ink-muted);
  font-weight: var(--weight-regular);
  padding: 0.5rem 0;
  position: relative;
  transition: color var(--dur-micro) var(--ease-out-quint);
  white-space: nowrap;
}
.site-nav a:hover,
.site-nav a:focus-visible { color: var(--color-ink); }
.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: var(--color-brass);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform var(--dur-micro) var(--ease-out-quint);
}
.site-nav a:hover::after { transform: scaleX(1); }

.site-header__meta {
  display: flex;
  align-items: center;
  gap: var(--space-5);
}

.site-header__phone {
  font-family: var(--font-mono);
  font-size: var(--text-caption);
  color: var(--color-ink);
  position: relative;
  overflow: hidden;
}

/* Phone shimmer — every 6s, opacity-only sweep */
.phone-shimmer {
  position: relative;
  display: inline-block;
}
.phone-shimmer::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg, transparent 35%, rgba(168, 130, 90, 0.18) 50%, transparent 65%);
  transform: translateX(-100%);
  pointer-events: none;
}
@media (prefers-reduced-motion: no-preference) {
  .phone-shimmer::after {
    animation: phone-shimmer 6s var(--ease-out-quint) infinite;
  }
}
@keyframes phone-shimmer {
  0%, 80% { transform: translateX(-100%); }
  88%, 100% { transform: translateX(100%); }
}

.lang-switcher {
  display: inline-flex;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  padding: 2px;
  background: var(--color-surface);
}
.lang-switcher__option {
  font-family: var(--font-body);
  font-size: var(--text-micro);
  letter-spacing: var(--tracking-uppercase);
  padding: 0.375rem 0.75rem;
  color: var(--color-ink-muted);
  border-radius: var(--radius-pill);
  min-width: 36px;
  text-align: center;
  font-weight: var(--weight-medium);
  transition: background var(--dur-micro) var(--ease-out-quint), color var(--dur-micro) var(--ease-out-quint);
}
.lang-switcher__option:hover { color: var(--color-ink); }
.lang-switcher__option.is-active {
  background: var(--color-ink);
  color: var(--color-canvas);
}

.hamburger {
  display: none;
  width: 44px;
  height: 44px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  border-radius: var(--radius-sm);
}
.hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--color-ink);
  transition: transform var(--dur-micro) var(--ease-out-quint);
}
.hamburger[aria-expanded="true"] span:first-child { transform: translateY(3.25px) rotate(45deg); }
.hamburger[aria-expanded="true"] span:last-child  { transform: translateY(-3.25px) rotate(-45deg); }

/* Mobile drawer */
.mobile-drawer {
  position: fixed;
  inset: 72px 0 0 0;
  background: var(--color-canvas);
  z-index: var(--z-overlay);
  padding: var(--space-8) var(--container-pad);
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
  transform: translateX(100%);
  transition: transform var(--dur-standard) var(--ease-out-quint);
  overflow-y: auto;
}
.mobile-drawer.is-open { transform: translateX(0); }
.mobile-drawer__nav { display: flex; flex-direction: column; gap: var(--space-5); }
.mobile-drawer__nav a {
  font-family: var(--font-display);
  font-size: var(--text-display-md);
  color: var(--color-ink);
  letter-spacing: var(--tracking-tight);
}
.mobile-drawer__meta { display: flex; flex-direction: column; gap: var(--space-4); margin-top: auto; padding-bottom: var(--space-12); }
.mobile-drawer__meta a[data-tbd="phone"] { font-family: var(--font-mono); font-size: var(--text-body-lg); }

/* ==========================================================================
   Section common
   ========================================================================== */
.section {
  padding-block: var(--section-gap);
  position: relative;
}
.section__header {
  max-width: 65ch;
  margin-bottom: var(--space-12);
}
.section__title {
  font-family: var(--font-display);
  font-size: var(--text-display-lg);
  font-weight: var(--weight-regular);
  line-height: var(--leading-display);
  letter-spacing: var(--tracking-tight);
  margin-top: var(--space-4);
  color: var(--color-ink);
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  padding-top: var(--space-12);
  padding-bottom: var(--section-gap);
  min-height: 100dvh;
  display: flex;
  align-items: center;
}
.hero__inner {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: var(--space-12);
  align-items: center;
  width: 100%;
}
.hero__copy { padding-top: var(--space-8); padding-bottom: var(--space-12); }
.hero__title {
  font-family: var(--font-display);
  font-weight: var(--weight-regular);
  font-size: var(--text-display-xl);
  line-height: var(--leading-display);
  letter-spacing: var(--tracking-tight);
  color: var(--color-ink);
  margin-top: var(--space-5);
  display: flex;
  flex-direction: column;
}
.hero__title span { display: block; }
.hero__title .is-italic { font-style: italic; }
.hero__sub {
  margin-top: var(--space-6);
  font-size: var(--text-body-lg);
  color: var(--color-ink-soft);
  max-width: 48ch;
  line-height: var(--leading-body);
}
.hero__cta { margin-top: var(--space-8); }
.hero__facts {
  margin-top: var(--space-12);
  display: flex;
  gap: var(--space-8);
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-6);
}
.hero__facts li {
  font-size: var(--text-caption);
  color: var(--color-ink-muted);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.hero__facts .num {
  font-size: 1.5rem;
  color: var(--color-ink);
}

.hero__visual { position: relative; }
.hero__photo {
  margin: 0;
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--color-surface-warm);
  aspect-ratio: 4 / 5;
  width: calc(100% + var(--container-pad));
  margin-right: calc(-1 * var(--container-pad));
}
.hero__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  will-change: transform;
  transform: translate3d(0, 0, 0);
}
.hero__photo-caption {
  position: absolute;
  left: var(--space-5);
  bottom: var(--space-5);
  font-family: var(--font-body);
  font-size: var(--text-micro);
  letter-spacing: var(--tracking-uppercase);
  text-transform: uppercase;
  color: var(--color-canvas);
  background: rgba(28, 27, 23, 0.55);
  backdrop-filter: blur(4px);
  padding: 0.375rem 0.625rem;
  border-radius: var(--radius-sm);
}

/* ==========================================================================
   About
   ========================================================================== */
.about-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  border-top: 1px solid var(--color-border);
}
.about-tile {
  padding: var(--space-10) var(--space-8) var(--space-10) 0;
  border-bottom: 1px solid var(--color-border);
}
.about-tile:nth-child(odd) {
  border-right: 1px solid var(--color-border);
  padding-right: var(--space-10);
}
.about-tile:nth-child(even) {
  padding-left: var(--space-10);
  padding-right: 0;
}
.about-tile:nth-last-child(-n+2) { border-bottom: 0; }
.about-tile__num {
  font-family: var(--font-mono);
  font-size: var(--text-caption);
  color: var(--color-brass);
  letter-spacing: var(--tracking-uppercase);
  margin-bottom: var(--space-4);
}
.about-tile h3 {
  font-family: var(--font-display);
  font-size: var(--text-display-md);
  font-weight: var(--weight-regular);
  letter-spacing: var(--tracking-tight);
  margin-bottom: var(--space-3);
  color: var(--color-ink);
}
.about-tile p {
  font-size: var(--text-body);
  color: var(--color-ink-soft);
  max-width: 45ch;
}

/* ==========================================================================
   Location
   ========================================================================== */
.location-grid {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: var(--space-12);
  align-items: start;
}
.location-list {
  margin-top: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}
.location-list li {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: var(--space-4);
  padding-bottom: var(--space-5);
  border-bottom: 1px solid var(--color-border);
  align-items: baseline;
}
.location-list li:last-child { border-bottom: 0; }
.location-list li:last-child { padding-bottom: 0; }
.location-list .micro-label { color: var(--color-ink-muted); }

.map-placeholder {
  margin: 0;
  background: var(--color-surface);
  border: 1px dashed var(--color-border-strong);
  border-radius: var(--radius-xl);
  aspect-ratio: 4 / 3;
  display: flex;
  align-items: center;
  justify-content: center;
}
.map-placeholder__inner {
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  color: var(--color-ink-muted);
}
.map-placeholder__addr {
  font-family: var(--font-mono);
  color: var(--color-ink);
  margin-top: var(--space-3);
}

/* ==========================================================================
   Phases
   ========================================================================== */
.phases-grid {
  display: grid;
  grid-template-columns: 6fr 5fr;
  gap: var(--space-7);
  margin-bottom: var(--space-16);
}
.phase-card {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  padding: var(--space-10);
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  transition: transform var(--dur-standard) var(--ease-out-quint), box-shadow var(--dur-standard) var(--ease-out-quint);
}
.phase-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card-hover);
}
.phase-card--ready {
  background: linear-gradient(180deg, var(--color-surface-warm), transparent 60%), var(--color-surface);
}
.phase-card__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.phase-card__badge {
  font-family: var(--font-body);
  font-size: var(--text-micro);
  letter-spacing: var(--tracking-uppercase);
  text-transform: uppercase;
  background: var(--color-brass);
  color: var(--color-canvas);
  padding: 0.375rem 0.625rem;
  border-radius: var(--radius-pill);
  font-weight: var(--weight-medium);
  position: relative;
  isolation: isolate;
}
.phase-card__badge::after {
  content: "";
  position: absolute;
  inset: -2px;
  border-radius: var(--radius-pill);
  background: var(--color-brass);
  opacity: 0;
  z-index: -1;
}
@media (prefers-reduced-motion: no-preference) {
  .phase-card--ready .phase-card__badge::after {
    animation: badge-pulse var(--dur-perpetual) var(--ease-out-quint) infinite;
  }
}
@keyframes badge-pulse {
  0%, 100% { opacity: 0; transform: scale(1); }
  50% { opacity: 0.18; transform: scale(1.08); }
}
.phase-card__badge--start { background: transparent; color: var(--color-brass); border: 1px solid var(--color-brass); }
.phase-card__num {
  font-family: var(--font-mono);
  font-size: var(--text-caption);
  letter-spacing: var(--tracking-uppercase);
  text-transform: uppercase;
  color: var(--color-ink-muted);
}
.phase-card__num span {
  color: var(--color-ink);
  font-weight: var(--weight-medium);
}
.phase-card__title {
  font-family: var(--font-display);
  font-size: var(--text-display-md);
  font-weight: var(--weight-regular);
  letter-spacing: var(--tracking-tight);
  line-height: var(--leading-tight);
}
.phase-card__lead {
  font-size: var(--text-body);
  color: var(--color-ink-soft);
}
.phase-card__specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5) var(--space-7);
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-6);
}
.phase-card__specs > div { display: flex; flex-direction: column; gap: var(--space-1); }
.phase-card__specs dt {
  font-size: var(--text-micro);
  letter-spacing: var(--tracking-uppercase);
  text-transform: uppercase;
  color: var(--color-ink-muted);
  font-weight: var(--weight-medium);
}
.phase-card__specs dd {
  font-family: var(--font-mono);
  font-size: 1.125rem;
  color: var(--color-ink);
  font-weight: var(--weight-medium);
}
.phase-card__progress {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-top: var(--space-4);
}
.phase-card__progress-label {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: var(--text-micro);
  letter-spacing: var(--tracking-uppercase);
  text-transform: uppercase;
  color: var(--color-ink-muted);
  order: -1;
}
.phase-card__progress-label .num { color: var(--color-ink); }
.phase-card__progress-bar {
  background: var(--color-border);
  border-radius: var(--radius-pill);
  height: 6px;
  overflow: hidden;
}
.phase-card__progress-fill {
  display: block;
  height: 100%;
  width: var(--pct, 0%);
  background: var(--color-brass);
  border-radius: var(--radius-pill);
  transform-origin: left;
}
.phase-card__cta { align-self: flex-start; margin-top: var(--space-4); }

.phases-future {
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-8);
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: var(--space-8);
  align-items: start;
}
.phases-future__items {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
}
.phases-future__items > div { display: flex; align-items: baseline; gap: var(--space-4); }
.phases-future__items .num {
  font-size: 3rem;
  color: var(--color-brass);
  font-weight: var(--weight-light);
}
.phases-future__items p {
  color: var(--color-ink-muted);
  font-size: var(--text-caption);
}

/* ==========================================================================
   Architecture
   ========================================================================== */
.arch-grid {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: var(--space-12);
  align-items: center;
}
.arch-photo { margin: 0; border-radius: var(--radius-xl); overflow: hidden; background: var(--color-surface-warm); aspect-ratio: 4 / 5; position: relative; }
.arch-photo img { width: 100%; height: 100%; object-fit: cover; }
.arch-photo figcaption {
  position: absolute;
  left: var(--space-5);
  bottom: var(--space-5);
  font-size: var(--text-micro);
  letter-spacing: var(--tracking-uppercase);
  text-transform: uppercase;
  color: var(--color-canvas);
  background: rgba(28, 27, 23, 0.55);
  backdrop-filter: blur(4px);
  padding: 0.375rem 0.625rem;
  border-radius: var(--radius-sm);
}
.arch-specs {
  margin-top: var(--space-8);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5) var(--space-7);
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-6);
}
.arch-specs > div { display: flex; flex-direction: column; gap: var(--space-1); }
.arch-specs dt {
  font-size: var(--text-micro);
  letter-spacing: var(--tracking-uppercase);
  text-transform: uppercase;
  color: var(--color-ink-muted);
  font-weight: var(--weight-medium);
}
.arch-specs dd {
  font-family: var(--font-mono);
  font-size: var(--text-body-lg);
  color: var(--color-ink);
  font-weight: var(--weight-medium);
}

/* ==========================================================================
   360 tour placeholder
   ========================================================================== */
.tour-placeholder {
  background: var(--color-surface);
  border: 1px dashed var(--color-border-strong);
  border-radius: var(--radius-xl);
  aspect-ratio: 21 / 6;
  min-height: 220px;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}
@media (max-width: 768px) {
  .tour-placeholder {
    aspect-ratio: auto;
    min-height: 240px;
    padding-block: var(--space-8);
  }
}
.tour-placeholder__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-ink-muted);
}
.tour-placeholder__inner svg { color: var(--color-brass); }

/* ==========================================================================
   Infrastructure slider
   ========================================================================== */
/* ==========================================================================
   Advantages carousel — pinned section, vertical scroll → horizontal pan
   On desktop: section is pinned via sticky inner; vertical scroll progress
   drives the horizontal translate of the track.
   On mobile: falls back to native horizontal scroll-snap (touch-friendly).
   ========================================================================== */
.section--infra { padding-block: 0; }

.infra-pin {
  position: relative;
  /* Total scroll budget = number-of-cards × 70vh — JS reads scrollHeight */
  height: calc(70vh + 70vh * 6);
}
.infra-pin__sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
}
.infra-slider {
  position: relative;
  width: 100%;
}
.infra-slider__track {
  display: flex;
  gap: var(--space-5);
  padding-inline: var(--container-pad);
  will-change: transform;
}
.infra-card {
  flex: 0 0 clamp(300px, 32vw, 460px);
}

/* Mobile fallback: native horizontal scroll-snap */
@media (max-width: 1023px) {
  .section--infra { padding-block: var(--section-gap-mobile); }
  .infra-pin { height: auto; }
  .infra-pin__sticky {
    position: static;
    height: auto;
    overflow: visible;
  }
  .infra-slider__track {
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
    padding-bottom: var(--space-6);
  }
  .infra-slider__track::-webkit-scrollbar { display: none; }
  .infra-card {
    scroll-snap-align: start;
    flex: 0 0 78vw;
  }
}

.infra-card {
  scroll-snap-align: start;
  position: relative;
  isolation: isolate;
  border-radius: var(--radius-xl);
  overflow: hidden;
  aspect-ratio: 4 / 5;
  display: block;
  cursor: pointer;
  transition: transform var(--dur-standard) var(--ease-out-quint),
              filter var(--dur-standard) var(--ease-out-quint);
  background: var(--color-surface);
}
.infra-card:not(.is-active) { filter: brightness(0.92); }
.infra-card:hover { transform: translateY(-3px); }

.infra-card__media {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image: var(--bg-img);
  background-size: cover;
  background-position: center;
  transition: transform 1100ms var(--ease-out-quint);
  will-change: transform;
}
.infra-card:hover .infra-card__media,
.infra-card.is-active .infra-card__media {
  transform: scale(1.06);
}

.infra-card__shade {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(180deg,
      rgba(28, 27, 23, 0.05) 0%,
      rgba(28, 27, 23, 0.05) 30%,
      rgba(28, 27, 23, 0.55) 60%,
      rgba(28, 27, 23, 0.92) 100%);
}
/* Subtle vignette for extra title legibility on bright photos */
.infra-card::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: radial-gradient(120% 90% at 50% 100%, rgba(28, 27, 23, 0.35) 0%, transparent 60%);
}

.infra-card__num {
  position: absolute;
  top: var(--space-6);
  right: var(--space-6);
  z-index: 2;
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--text-caption);
  letter-spacing: var(--tracking-uppercase);
  color: var(--color-canvas);
  background: rgba(168, 130, 90, 0.75);
  backdrop-filter: blur(6px);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  font-weight: var(--weight-medium);
}

.infra-card__copy {
  position: absolute;
  left: var(--space-6);
  right: var(--space-6);
  bottom: var(--space-6);
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  color: var(--color-canvas);
}
.infra-card__copy h3 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2vw, 1.875rem);
  font-weight: var(--weight-regular);
  line-height: 1.1;
  letter-spacing: var(--tracking-tight);
  color: var(--color-canvas);
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.35);
  /* Brass underline that grows on active/hover */
  position: relative;
  padding-bottom: var(--space-3);
}
.infra-card__copy h3::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  height: 2px;
  width: 28px;
  background: var(--color-brass);
  transform-origin: left;
  transform: scaleX(1);
  transition: width 600ms var(--ease-out-quint);
}
.infra-card:hover .infra-card__copy h3::after,
.infra-card.is-active .infra-card__copy h3::after {
  width: 56px;
}
.infra-card__copy p {
  font-size: var(--text-caption);
  line-height: 1.45;
  color: rgba(245, 242, 236, 0.88);
  max-width: 30ch;
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.4);
}

/* Reveal on entry (Motion may set this as well; CSS fallback) */
.infra-card {
  opacity: 0;
  transform: translate3d(0, 24px, 0);
  transition: opacity 700ms var(--ease-out-quint),
              transform 700ms var(--ease-out-quint),
              filter var(--dur-standard) var(--ease-out-quint);
}
.infra-slider.is-revealed .infra-card { opacity: 1; transform: translate3d(0, 0, 0); }
.infra-slider.is-revealed .infra-card:nth-child(1) { transition-delay: 0ms; }
.infra-slider.is-revealed .infra-card:nth-child(2) { transition-delay: 80ms; }
.infra-slider.is-revealed .infra-card:nth-child(3) { transition-delay: 160ms; }
.infra-slider.is-revealed .infra-card:nth-child(4) { transition-delay: 240ms; }
.infra-slider.is-revealed .infra-card:nth-child(5) { transition-delay: 320ms; }
.infra-slider.is-revealed .infra-card:nth-child(6) { transition-delay: 400ms; }

@media (prefers-reduced-motion: reduce) {
  .infra-card { opacity: 1; transform: none; transition: none; }
  .infra-card__media { transition: none; }
  .infra-card:hover .infra-card__media { transform: none; }
}

.infra-slider__progress {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
  height: 2px;
  background: var(--color-border);
  border-radius: var(--radius-pill);
  overflow: hidden;
  margin-top: var(--space-2);
}
.infra-slider__progress span {
  display: block;
  height: 100%;
  width: 14%;
  background: var(--color-brass);
  transform-origin: left;
  transition: width var(--dur-micro) linear;
}

@media (max-width: 768px) {
  .infra-card { aspect-ratio: 3 / 4; }
  .infra-card__num { top: var(--space-5); right: var(--space-5); }
  .infra-card__copy { left: var(--space-5); right: var(--space-5); bottom: var(--space-5); }
}

/* ==========================================================================
   Plans — filters + 3-column responsive grid
   ========================================================================== */
.plans-filters {
  margin-top: var(--space-8);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}
.plans-filter {
  font-family: var(--font-body);
  font-size: var(--text-caption);
  font-weight: var(--weight-medium);
  padding: 0.625rem 1.25rem;
  min-height: 40px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border-strong);
  background: transparent;
  color: var(--color-ink);
  cursor: pointer;
  letter-spacing: var(--tracking-snug);
  transition: background var(--dur-micro) var(--ease-out-quint),
              color var(--dur-micro) var(--ease-out-quint),
              border-color var(--dur-micro) var(--ease-out-quint),
              transform var(--dur-micro) var(--ease-out-quint);
}
.plans-filter:hover {
  border-color: var(--color-brass);
  background: var(--color-surface-warm);
}
.plans-filter:active { transform: translateY(1px); }
.plans-filter.is-active {
  background: var(--color-brass);
  color: var(--color-canvas);
  border-color: var(--color-brass);
}
.plans-filter:focus-visible { outline: none; box-shadow: var(--shadow-focus); }

.plans-grid {
  margin-top: var(--space-8);
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-6);
}

.plan-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  /* Filter transition */
  transition: opacity 320ms var(--ease-out-quint),
              transform 320ms var(--ease-out-quint);
}
.plan-card.is-hidden {
  opacity: 0;
  transform: translate3d(0, 8px, 0) scale(0.97);
  position: absolute;
  pointer-events: none;
  visibility: hidden;
}

.plan-card__visual {
  background:
    linear-gradient(135deg, var(--color-surface-warm), transparent 70%),
    repeating-linear-gradient(45deg, rgba(168, 130, 90, 0.14) 0 1px, transparent 1px 14px),
    var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: flex-end;
  padding: var(--space-5);
  position: relative;
}
.plan-card__rooms {
  font-family: var(--font-body);
  font-size: var(--text-micro);
  letter-spacing: var(--tracking-uppercase);
  text-transform: uppercase;
  font-weight: var(--weight-medium);
  color: var(--color-ink);
  background: rgba(252, 250, 246, 0.86);
  backdrop-filter: blur(6px);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
}

.plan-card__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-3);
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-border);
}
.plan-card__head h3 {
  font-family: var(--font-display);
  font-size: var(--text-title);
  font-weight: var(--weight-regular);
  letter-spacing: var(--tracking-tight);
  margin: 0;
}
.plan-card__area {
  font-size: var(--text-body);
  color: var(--color-brass);
  font-weight: var(--weight-medium);
}

.plan-card__specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3) var(--space-5);
}
.plan-card__specs > div { display: flex; flex-direction: column; gap: var(--space-1); }
.plan-card__specs dt {
  font-size: var(--text-micro);
  letter-spacing: var(--tracking-uppercase);
  text-transform: uppercase;
  color: var(--color-ink-muted);
}
.plan-card__specs dd {
  font-family: var(--font-mono);
  color: var(--color-ink);
  font-size: var(--text-body);
  font-weight: var(--weight-medium);
}

.plans-cta { margin-top: var(--space-10); display: flex; justify-content: center; }

@media (max-width: 768px) {
  .plans-filters { gap: var(--space-2); overflow-x: auto; flex-wrap: nowrap; padding-bottom: var(--space-2); }
  .plans-filter { white-space: nowrap; flex-shrink: 0; }
  .plans-grid { grid-template-columns: 1fr; gap: var(--space-5); }
}

/* ==========================================================================
   Form
   ========================================================================== */
.form-grid {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: var(--space-12);
  align-items: start;
}
.form-grid__notes {
  margin-top: var(--space-10);
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.form-grid__notes > div { display: flex; flex-direction: column; gap: var(--space-1); }
.form-grid__notes dd { color: var(--color-ink); }

.lead-form {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-10);
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}
.lead-form__field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.lead-form__field input[type="text"],
.lead-form__field input[type="tel"] {
  font: inherit;
  width: 100%;
  background: var(--color-canvas);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.875rem 1rem;
  color: var(--color-ink);
  transition: border-color var(--dur-micro) var(--ease-out-quint), box-shadow var(--dur-micro) var(--ease-out-quint);
  min-height: 48px;
}
.lead-form__field input::placeholder { color: var(--color-ink-muted); opacity: 0.7; }
.lead-form__field input:focus {
  outline: none;
  border-color: var(--color-brass);
  box-shadow: var(--shadow-focus);
}
.lead-form__field.is-invalid input {
  border-color: var(--color-error);
}
.lead-form__error {
  font-size: var(--text-caption);
  color: var(--color-error);
}

.lead-form__phase { border: 0; padding: 0; margin: 0; }
.phase-toggle {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}
.phase-toggle label {
  flex: 1 1 auto;
  position: relative;
  cursor: pointer;
}
.phase-toggle input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}
.phase-toggle span {
  display: block;
  text-align: center;
  font-size: var(--text-caption);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border);
  background: var(--color-canvas);
  color: var(--color-ink);
  transition: background var(--dur-micro) var(--ease-out-quint), border-color var(--dur-micro) var(--ease-out-quint), color var(--dur-micro) var(--ease-out-quint);
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.phase-toggle input:checked + span {
  background: var(--color-brass);
  color: var(--color-canvas);
  border-color: var(--color-brass);
}
.phase-toggle input:focus-visible + span { box-shadow: var(--shadow-focus); }

.lead-form__consent {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-3);
  font-size: var(--text-caption);
  color: var(--color-ink-soft);
  align-items: start;
  cursor: pointer;
}
.lead-form__consent input {
  width: 18px;
  height: 18px;
  accent-color: var(--color-brass);
  margin-top: 2px;
}
.lead-form__consent a { color: var(--color-brass); border-bottom: 1px solid var(--color-brass); }

.lead-form__submit { align-self: stretch; }
.lead-form__submit[aria-busy="true"] .lead-form__submit-label { display: none; }
.lead-form__submit[aria-busy="true"] .lead-form__submit-loading { display: inline; }

.lead-form__success,
.lead-form__failure {
  font-size: var(--text-caption);
  padding: var(--space-4);
  border-radius: var(--radius-md);
}
.lead-form__success { background: rgba(90, 122, 82, 0.10); color: var(--color-success); }
.lead-form__failure { background: rgba(139, 90, 60, 0.10); color: var(--color-error); }

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding-block: var(--space-16) var(--space-10);
}
.site-footer__inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--space-12);
  align-items: start;
}
.site-footer__wordmark { width: 100%; max-width: 320px; height: auto; color: var(--color-ink); }

.site-footer__col {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.site-footer__col .micro-label { color: var(--color-ink-muted); margin-bottom: var(--space-2); }
.site-footer__col a {
  color: var(--color-ink);
  font-size: var(--text-caption);
  transition: color var(--dur-micro) var(--ease-out-quint);
}
.site-footer__col a:hover { color: var(--color-brass); }
.site-footer__col p { font-size: var(--text-caption); color: var(--color-ink-soft); }

.site-footer__legal {
  grid-column: 1 / -1;
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-6);
  margin-top: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.site-footer__legal p { font-size: var(--text-caption); color: var(--color-ink-muted); }
.site-footer__legal .footnote { font-size: var(--text-micro); }

/* ==========================================================================
   Reveal animation (IntersectionObserver triggers .is-visible)
   ========================================================================== */
.reveal {
  opacity: 0;
  transform: translate3d(0, 12px, 0);
  transition: opacity var(--dur-reveal) var(--ease-out-quint), transform var(--dur-reveal) var(--ease-out-quint);
}
.reveal.is-visible {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1199px) {
  .site-nav { display: none; }
  .site-header__cta { display: none; }
  .hamburger { display: inline-flex; }
  .hero__inner { grid-template-columns: 1fr; gap: var(--space-8); }
  .hero { min-height: auto; padding-top: var(--space-10); }
  .hero__visual { order: -1; }
  .hero__photo { width: 100%; margin-right: 0; aspect-ratio: 16 / 11; }
  .location-grid,
  .arch-grid,
  .form-grid { grid-template-columns: 1fr; }
  .arch-grid > .arch-grid__visual { order: -1; }
  .phases-grid { grid-template-columns: 1fr; }
  .site-footer__inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .section { padding-block: var(--section-gap-mobile); }
  .hero__title { font-size: clamp(2.75rem, 11vw, 4rem); }
  .hero__facts { flex-wrap: wrap; gap: var(--space-5); }
  /* Tone down paper grain on small screens — looks noisy on dense pixels */
  body::before { opacity: 0.022; }
  /* Tighter section rhythm on mobile */
  :root { --section-gap-mobile: clamp(2.5rem, 7vw, 4rem); }
  /* Hamburger inner lines slightly narrower */
  .hamburger span { width: 20px; }
  /* Location list: stack label over content on mobile (more breathing room for long titles) */
  .location-list li {
    grid-template-columns: 1fr;
    gap: var(--space-2);
  }
  .location-list .micro-label { color: var(--color-brass); }
  /* Phase card: pull progress block up slightly */
  .phase-card { gap: var(--space-5); }
  /* Hero photo on small mobile — slightly less tall (less screen-eating) */
  .hero__photo { aspect-ratio: 5 / 6; }
  .about-grid { grid-template-columns: 1fr; }
  .about-tile, .about-tile:nth-child(odd), .about-tile:nth-child(even) {
    border-right: 0;
    padding-inline: 0;
    padding-block: var(--space-7);
  }
  .about-tile:last-child { border-bottom: 0; }
  .phases-future { grid-template-columns: 1fr; }
  .phases-future__items { grid-template-columns: 1fr; }
  .lead-form { padding: var(--space-7); }
  .site-header__phone { display: none; }
  .site-header__inner > .lang-switcher,
  .site-header__meta .lang-switcher { display: none; }
  .site-footer__inner { grid-template-columns: 1fr; gap: var(--space-8); }
  .phase-card__specs { grid-template-columns: 1fr 1fr; }
  .arch-specs { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .hero__photo { aspect-ratio: 4 / 5; }
  .lead-form { padding: var(--space-6); }
  .phase-card { padding: var(--space-7); }
}

/* ==========================================================================
   Print — minimal
   ========================================================================== */
@media print {
  .site-header, .site-footer, .lead-form, .infra-slider, .plans-slider, .hamburger, .lang-switcher { display: none; }
  body { background: white; color: black; }
  .reveal { opacity: 1; transform: none; }
}

/* ==========================================================================
   IMMERSIVE LAYER
   - Scroll-nav (right-edge thread + dots)
   - Hero kinetic typography
   - Hero Ken Burns (slow zoom)
   - Hero atmospheric overlay
   - Phase card 3D tilt prep
   - Section-aware ambient tint
   - Subtle paper grain
   ========================================================================== */

/* ---- 1. Scroll-nav (right-edge dots) ---- */
.scroll-nav {
  position: fixed;
  top: 50%;
  right: clamp(16px, 2.4vw, 28px);
  transform: translateY(-50%);
  z-index: 40;
  pointer-events: none;
}
.scroll-nav ul {
  list-style: none;
  margin: 0; padding: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
  position: relative;
}
/* the brass thread connecting dots */
.scroll-nav ul::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 6px; bottom: 6px;
  width: 1px;
  background: linear-gradient(to bottom, transparent 0%, var(--color-border) 12%, var(--color-border) 88%, transparent 100%);
  transform: translateX(-50%);
  pointer-events: none;
}
.scroll-nav__dot {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  pointer-events: auto;
  text-decoration: none;
  isolation: isolate;
}
.scroll-nav__dot::after {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--color-border-strong);
  transition: background-color var(--dur-micro) var(--ease-out-quint),
              transform var(--dur-micro) var(--ease-out-quint),
              width var(--dur-micro) var(--ease-out-quint),
              height var(--dur-micro) var(--ease-out-quint);
}
.scroll-nav__dot:hover::after,
.scroll-nav__dot:focus-visible::after {
  background: var(--color-brass);
  transform: scale(1.15);
}
.scroll-nav__dot.is-active::after {
  background: var(--color-brass);
  width: 8px; height: 8px;
  box-shadow: 0 0 0 4px var(--color-brass-soft);
}
.scroll-nav__label {
  position: absolute;
  right: calc(100% + 12px);
  top: 50%;
  transform: translate3d(8px, -50%, 0);
  font-family: var(--font-body);
  font-size: var(--text-micro);
  letter-spacing: var(--tracking-uppercase);
  text-transform: uppercase;
  font-weight: var(--weight-medium);
  color: var(--color-ink);
  background: rgba(252, 250, 246, 0.92);
  backdrop-filter: blur(8px);
  padding: 4px 10px;
  border-radius: 999px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur-micro) var(--ease-out-quint),
              transform var(--dur-micro) var(--ease-out-quint);
  border: 1px solid var(--color-border);
}
.scroll-nav__dot:hover .scroll-nav__label,
.scroll-nav__dot:focus-visible .scroll-nav__label {
  opacity: 1;
  transform: translate3d(0, -50%, 0);
}
@media (max-width: 1023px) { .scroll-nav { display: none; } }
@media (prefers-reduced-motion: reduce) {
  .scroll-nav__dot::after,
  .scroll-nav__label { transition: none; }
}

/* ---- 2. Hero kinetic typography (Motion handles animation; CSS only sets up will-change) ---- */
.hero__title .hero__char {
  display: inline-block;
  will-change: opacity, transform;
}
@media (prefers-reduced-motion: reduce) {
  .hero__title .hero__char { opacity: 1 !important; transform: none !important; }
}

/* ---- 3. Hero Ken Burns moved below to combine with parallax (--ken-y) ---- */

/* ---- 4. Hero atmospheric overlay ---- */
.hero__photo::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(
    180deg,
    rgba(28, 27, 23, 0.0) 0%,
    rgba(28, 27, 23, 0.0) 65%,
    rgba(28, 27, 23, 0.18) 100%
  );
  mix-blend-mode: multiply;
}

/* ---- 5. Phase card tilt prep ---- */
.phase-card {
  transform-style: preserve-3d;
  will-change: transform;
}

/* ---- 6. Section-aware ambient canvas tint (very subtle) ---- */
body {
  transition: background-color 800ms var(--ease-out-quint);
  /* Avoid jitter in hero scroll: don't trigger this transition on first viewport */
}
body[data-section="hero"]         { background-color: #F5F2EC; }
body[data-section="about"]        { background-color: #F4F0E8; }
body[data-section="location"]    { background-color: #F3EFE6; }
body[data-section="phases"]      { background-color: #F4F0E7; }
body[data-section="architecture"]{ background-color: #F2EDE4; }
body[data-section="tour"]        { background-color: #F1ECE2; }
body[data-section="infra"]       { background-color: #F3EEE5; }
body[data-section="plans"]       { background-color: #F4F0E7; }
body[data-section="form"]        { background-color: #F5F1E9; }
body[data-section="contacts"]    { background-color: #F5F2EC; }
@media (prefers-reduced-motion: reduce) {
  body { transition: none; }
}

/* ---- 7. Plan cards: idle float removed; filter transitions instead ---- */

/* ---- 8. 360° tour sonar pulse ---- */
.tour-placeholder__inner svg {
  position: relative;
  z-index: 1;
}
.tour-placeholder__inner {
  position: relative;
}
.tour-placeholder__inner::before,
.tour-placeholder__inner::after {
  content: "";
  position: absolute;
  left: 50%; top: 30px;
  width: 90px; height: 90px;
  border: 1px solid var(--color-brass);
  border-radius: 50%;
  transform: translate3d(-50%, 0, 0) scale(0.6);
  opacity: 0;
  pointer-events: none;
}
@media (prefers-reduced-motion: no-preference) {
  .tour-placeholder__inner::before { animation: sonar 3.6s var(--ease-out-quint) infinite; }
  .tour-placeholder__inner::after  { animation: sonar 3.6s var(--ease-out-quint) infinite; animation-delay: 1.8s; }
}
@keyframes sonar {
  0%   { transform: translate3d(-50%, 0, 0) scale(0.5); opacity: 0.55; }
  100% { transform: translate3d(-50%, 0, 0) scale(2.4); opacity: 0; }
}

/* ---- 9. Architecture image scroll-driven scale ---- */
.arch-photo img {
  transform-origin: center center;
  transition: transform 200ms linear;
  will-change: transform;
}

/* ---- 10. Hero copy/photo: Motion handles transform inline, GPU-promote to avoid jitter ---- */
.hero__copy {
  will-change: transform, opacity;
  transform: translateZ(0);
  backface-visibility: hidden;
}
.hero__photo {
  /* Promote photo container to its own layer so paper grain doesn't repaint over it */
  transform: translateZ(0);
  backface-visibility: hidden;
  contain: layout paint;
}
.hero__photo img {
  will-change: transform;
  transform: translateZ(0);
  backface-visibility: hidden;
}

/* ---- 11. Subtle paper grain (premium print feel) ---- */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  opacity: 0.035;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200' viewBox='0 0 200 200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/></filter><rect width='200' height='200' filter='url(%23n)' opacity='0.5'/></svg>");
  background-size: 200px 200px;
}
@media (prefers-reduced-motion: reduce) { body::before { opacity: 0.02; } }
