/* ============================================================
   UWA Design System — v1.0
   Ungaro Winter Arquitectos
   Fuente cuerpo: Archivo (Google Fonts)
   Fuente logo/display: Segoe UI (sistema)
   Acento: Ladrillo #C45C2E
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Archivo:wght@300;400;500;600;700&display=swap');

/* ── Tokens ─────────────────────────────────────────────────── */

:root {
  /* Tipografía */
  --uwa-font:         'Archivo', system-ui, sans-serif;
  --uwa-font-display: 'Segoe UI', system-ui, sans-serif; /* logo, títulos de display */

  /* Paleta */
  --uwa-bg:           #ffffff;
  --uwa-bg-alt:       #f5f5f3;
  --uwa-fg:           #0A0A0A;
  --uwa-muted:        #666666;
  --uwa-accent:       #C45C2E;   /* ladrillo */
  --uwa-accent-dark:  #a04828;
  --uwa-surface:      #ffffff;
  --uwa-border:       #e0e0e0;
  --uwa-border-dark:  #0A0A0A;

  /* Layout */
  --uwa-nav-h:    64px;
  --uwa-max-w:    1280px;
  --uwa-pad:      clamp(20px, 5vw, 64px);
  --uwa-gap:      2px;
  --uwa-r:        0px; /* editorial: sin border-radius */
}

/* ── Reset base ─────────────────────────────────────────────── */

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

html {
  font-family: var(--uwa-font);
  background: var(--uwa-bg);
  color: var(--uwa-fg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body { min-height: 100dvh; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; height: auto; }
ul { list-style: none; }

/* ── Tipografía ─────────────────────────────────────────────── */

.uwa-logo {
  font-family: var(--uwa-font-display);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
}
.uwa-logo__dot { color: var(--uwa-accent); }

.uwa-display {
  font-family: var(--uwa-font-display);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
}

.uwa-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--uwa-accent);
  display: block;
}

.uwa-heading {
  font-size: clamp(1.75rem, 4vw, 3rem);
  font-weight: 300;
  letter-spacing: -0.02em;
  line-height: 1.15;
}
.uwa-heading strong { font-weight: 700; }

.uwa-muted  { color: var(--uwa-muted); }
.uwa-accent { color: var(--uwa-accent); }

/* ── Nav ────────────────────────────────────────────────────── */

.uwa-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--uwa-nav-h);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 var(--uwa-pad);
  background: var(--uwa-bg);
  border-bottom: 1.5px solid var(--uwa-border-dark);
}

.uwa-nav--transparent {
  background: transparent;
  border-color: transparent;
  color: #fff;
}
.uwa-nav--transparent .uwa-logo { color: #fff; }

.uwa-nav__links {
  display: flex; gap: 2rem; list-style: none;
}
.uwa-nav__links a {
  font-size: 0.875rem; font-weight: 500;
  color: var(--uwa-muted); transition: color 0.2s;
  text-decoration: none;
}
.uwa-nav__links a:hover,
.uwa-nav__links a.active { color: var(--uwa-fg); }

/* ── Barra de etapas (configurador) ─────────────────────────── */

.uwa-etapas-bar {
  height: 44px;
  background: var(--uwa-fg);
  display: flex; align-items: center;
  padding: 0 var(--uwa-pad); gap: 0;
}

.uwa-etapa-item {
  display: flex; align-items: center; gap: 10px;
  padding-right: 28px; margin-right: 28px;
  border-right: 1px solid rgba(255,255,255,.12);
}
.uwa-etapa-item:last-child { border-right: none; margin-right: 0; }

.uwa-etapa-item__dot {
  width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0;
  background: transparent;
  border: 1px solid rgba(255,255,255,.3);
}
.uwa-etapa-item--active .uwa-etapa-item__dot {
  background: var(--uwa-accent);
  border-color: var(--uwa-accent);
}

.uwa-etapa-item__num {
  font-size: 0.625rem; font-weight: 700;
  color: rgba(255,255,255,.4); letter-spacing: 0.12em; text-transform: uppercase;
}
.uwa-etapa-item--active .uwa-etapa-item__num { color: #fff; }

.uwa-etapa-item__label {
  font-size: 0.625rem; color: rgba(255,255,255,.35); font-weight: 300;
}
.uwa-etapa-item--active .uwa-etapa-item__label { color: rgba(255,255,255,.65); }

/* ── Botones ─────────────────────────────────────────────────── */

.uwa-btn {
  display: inline-flex; align-items: center; gap: 0.5em;
  font-family: var(--uwa-font);
  font-size: 0.875rem; font-weight: 600;
  padding: 0.75rem 1.5rem;
  border-radius: var(--uwa-r);
  border: 1.5px solid transparent;
  cursor: pointer; transition: all 0.2s;
  white-space: nowrap; text-decoration: none;
  line-height: 1;
}

/* Primario: ladrillo sólido */
.uwa-btn--primary {
  background: var(--uwa-accent);
  color: #fff;
  border-color: var(--uwa-accent);
}
.uwa-btn--primary:hover {
  background: var(--uwa-accent-dark);
  border-color: var(--uwa-accent-dark);
}

/* Secundario: contorno oscuro */
.uwa-btn--secondary {
  background: transparent;
  color: var(--uwa-fg);
  border-color: var(--uwa-fg);
}
.uwa-btn--secondary:hover {
  background: var(--uwa-fg);
  color: var(--uwa-bg);
}

/* Inverso: contorno blanco sobre fondos oscuros */
.uwa-btn--inverse {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,.4);
}
.uwa-btn--inverse:hover { border-color: #fff; }

/* Blanco sólido: sobre banner oscuro */
.uwa-btn--white {
  background: #fff;
  color: var(--uwa-accent);
  border-color: #fff;
}
.uwa-btn--white:hover { background: rgba(255,255,255,.9); }

/* Tamaños */
.uwa-btn--sm { font-size: 0.75rem; padding: 0.5rem 1rem; }
.uwa-btn--lg { font-size: 1rem; padding: 1rem 2rem; }

/* ── Badge de estado ─────────────────────────────────────────── */

.uwa-badge {
  display: inline-block;
  font-size: 0.65rem; font-weight: 700;
  letter-spacing: 0.08em; text-transform: uppercase;
  padding: 0.3rem 0.6rem; border-radius: 0;
  background: var(--uwa-bg); color: var(--uwa-fg);
}
.uwa-badge--construido  { background: var(--uwa-fg);    color: #fff; }
.uwa-badge--finalizando { background: var(--uwa-accent); color: #fff; }
.uwa-badge--proyecto    { background: transparent; color: var(--uwa-muted); border: 1px solid var(--uwa-border); }

/* ── Cards de proyecto ───────────────────────────────────────── */

.uwa-card {
  position: relative;
  aspect-ratio: 3 / 4;
  overflow: hidden;
  background: var(--uwa-bg-alt);
  cursor: pointer;
  display: block;
}
.uwa-card__img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.uwa-card:hover .uwa-card__img { transform: scale(1.04); }
.uwa-card__overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,.7) 0%, transparent 50%);
  opacity: 0; transition: opacity 0.3s;
  display: flex; align-items: flex-end; padding: 1.25rem;
}
.uwa-card:hover .uwa-card__overlay { opacity: 1; }
.uwa-card__info { color: #fff; }
.uwa-card__titulo  { font-size: 0.875rem; font-weight: 600; }
.uwa-card__meta    { font-size: 0.75rem; opacity: 0.75; margin-top: 0.2rem; }

/* ── Secciones ───────────────────────────────────────────────── */

.uwa-section { padding: clamp(64px, 12vw, 128px) 0; }
.uwa-section--alt  { background: var(--uwa-bg-alt); }
.uwa-section--dark { background: var(--uwa-fg); color: #fff; }
.uwa-section--dark .uwa-label    { color: var(--uwa-accent); }
.uwa-section--dark .uwa-muted    { color: rgba(255,255,255,.55); }

/* ── Etapas del configurador (home) ─────────────────────────── */

.uwa-stages {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--uwa-border);
  overflow: hidden;
}
.uwa-stage {
  padding: clamp(24px, 4vw, 48px);
  border-right: 1px solid var(--uwa-border);
  transition: background 0.2s;
}
.uwa-stage:last-child { border-right: none; }
.uwa-stage:hover { background: var(--uwa-bg-alt); }

.uwa-stage__num {
  font-family: var(--uwa-font-display);
  font-size: clamp(3.5rem, 5vw, 5rem);
  font-weight: 700;
  letter-spacing: -0.05em;
  line-height: 1;
  color: var(--uwa-accent);
  margin-bottom: 1.25rem;
}
.uwa-stage__title {
  font-size: 1.125rem; font-weight: 600; line-height: 1.25;
  margin-bottom: 0.75rem;
}
.uwa-stage__sub {
  font-size: 0.875rem; color: var(--uwa-muted); line-height: 1.65;
  margin-bottom: 1.25rem;
}
.uwa-stage__result {
  font-size: 0.8rem; font-weight: 500;
  color: var(--uwa-fg); background: var(--uwa-bg-alt);
  padding: 0.5rem 0.75rem; display: inline-block;
}

/* Dark variant */
.uwa-stages--dark { border-color: rgba(255,255,255,.1); }
.uwa-stages--dark .uwa-stage { border-color: rgba(255,255,255,.1); }
.uwa-stages--dark .uwa-stage:hover { background: rgba(255,255,255,.05); }
.uwa-stages--dark .uwa-stage__sub    { color: rgba(255,255,255,.5); }
.uwa-stages--dark .uwa-stage__result { background: rgba(255,255,255,.08); color: rgba(255,255,255,.8); }

@media (max-width: 860px) {
  .uwa-stages { grid-template-columns: 1fr; }
  .uwa-stage { border-right: none; border-bottom: 1px solid var(--uwa-border); }
  .uwa-stage:last-child { border-bottom: none; }
  .uwa-stages--dark .uwa-stage { border-color: rgba(255,255,255,.1); }
}

/* ── CTA Banner ──────────────────────────────────────────────── */

.uwa-cta-banner {
  background: var(--uwa-fg); color: #fff;
  padding: clamp(48px, 8vw, 80px) var(--uwa-pad);
  text-align: center;
}
.uwa-cta-banner h2 {
  font-size: clamp(1.75rem, 4vw, 3rem);
  font-weight: 300; letter-spacing: -0.02em; margin-bottom: 1.25rem;
}
.uwa-cta-banner h2 strong { font-weight: 700; }
.uwa-cta-banner p {
  font-size: 1rem; opacity: 0.75; margin-bottom: 2rem;
  max-width: 42ch; margin-left: auto; margin-right: auto; line-height: 1.6;
}

/* ── Panel lateral (sidebar configurador) ────────────────────── */

.uwa-panel {
  background: var(--uwa-bg);
  border-right: 1px solid var(--uwa-border);
  padding: 2rem;
  overflow-y: auto;
}
.uwa-panel__label {
  font-size: 0.7rem; font-weight: 700;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--uwa-muted); margin-bottom: 0.75rem;
  display: block;
}
.uwa-panel__section { margin-bottom: 1.5rem; }
.uwa-panel__divider {
  height: 1px; background: var(--uwa-border);
  margin: 1.5rem 0;
}

/* ── Toggle group (selector de opciones) ─────────────────────── */

.uwa-toggle-group { display: flex; gap: 4px; flex-wrap: wrap; }
.uwa-toggle {
  padding: 8px 14px;
  font-family: var(--uwa-font); font-size: 0.8125rem; font-weight: 500;
  background: transparent;
  border: 1px solid var(--uwa-border);
  color: var(--uwa-muted);
  cursor: pointer; transition: all 0.15s;
  border-radius: var(--uwa-r);
}
.uwa-toggle:hover { border-color: var(--uwa-fg); color: var(--uwa-fg); }
.uwa-toggle--active {
  background: var(--uwa-fg); color: #fff;
  border-color: var(--uwa-fg);
}
.uwa-toggle--accent {
  background: var(--uwa-accent); color: #fff;
  border-color: var(--uwa-accent);
}

/* ── Estimación / resumen ────────────────────────────────────── */

.uwa-estimate {
  background: var(--uwa-bg-alt);
  padding: 1rem 1.25rem;
}
.uwa-estimate__value {
  font-size: 1.75rem; font-weight: 700;
  letter-spacing: -0.04em; color: var(--uwa-fg);
  margin-bottom: 0.2rem;
}
.uwa-estimate__meta {
  font-size: 0.75rem; color: var(--uwa-muted); font-weight: 300;
}

/* ── Footer ──────────────────────────────────────────────────── */

.uwa-footer {
  padding: clamp(32px, 6vw, 56px) var(--uwa-pad);
  border-top: 1px solid var(--uwa-border);
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 1rem;
}
.uwa-footer__logo {
  font-family: var(--uwa-font-display);
  font-size: 1rem; font-weight: 700; letter-spacing: -0.02em;
}
.uwa-footer__copy { font-size: 0.8rem; color: var(--uwa-muted); }

/* ── Utilities ───────────────────────────────────────────────── */

.uwa-container  { max-width: var(--uwa-max-w); margin: 0 auto; padding: 0 var(--uwa-pad); }
.uwa-pt-nav     { padding-top: var(--uwa-nav-h); }
.uwa-text-muted { color: var(--uwa-muted); }
.uwa-text-accent{ color: var(--uwa-accent); }
.uwa-divider    { border: none; border-top: 1px solid var(--uwa-border); margin: 1.5rem 0; }
.uwa-grid-2     { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--uwa-gap); }
.uwa-grid-3     { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--uwa-gap); }
.uwa-grid-4     { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--uwa-gap); }

@media (max-width: 680px) {
  .uwa-grid-4 { grid-template-columns: repeat(2, 1fr); }
  .uwa-grid-3 { grid-template-columns: repeat(2, 1fr); }
  .uwa-nav__links { display: none; }
}