:root {
  --bronce: #a86f2c;
  --bronce-claro: #c9954a;
  --bronce-oscuro: #7a4a12;
  --acero-oscuro: #17171a;
  --acero: #3a3a3d;
  --fondo: #faf9f6;
  --blanco: #ffffff;
  --texto: #1c1c1e;
  --texto-suave: #6a6a6e;
  --borde: #e6e3dc;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Inter", -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--texto);
  background: var(--fondo);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3 {
  font-family: "Playfair Display", Georgia, serif;
  line-height: 1.2;
  margin-top: 0;
}
h2 { font-size: 32px; letter-spacing: 0.2px; }

/* ---------- Botones ---------- */
.btn {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
  font-family: "Inter", sans-serif;
  cursor: pointer;
  border: none;
  font-size: 16px;
  letter-spacing: 0.2px;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.btn-primary {
  background: linear-gradient(135deg, var(--bronce-claro), var(--bronce) 60%, var(--bronce-oscuro));
  color: var(--blanco);
  box-shadow: 0 6px 16px rgba(168, 111, 44, 0.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 22px rgba(168, 111, 44, 0.45);
}
.btn-primary:active { transform: translateY(0); }

/* ---------- Header ---------- */
.site-header {
  background: linear-gradient(180deg, #1e1e21, var(--acero-oscuro));
  color: var(--blanco);
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(201, 149, 74, 0.25);
}
.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 24px;
}
.logo {
  font-family: "Playfair Display", serif;
  font-weight: 700;
  font-size: 20px;
  letter-spacing: 0.3px;
}
.logo-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
}
.nav-ancla {
  display: flex;
  align-items: center;
  gap: 22px;
}
.nav-ancla a {
  color: #c9c9cc;
  text-decoration: none;
  font-size: 14.5px;
  font-weight: 500;
  transition: color 0.15s ease;
  white-space: nowrap;
}
.nav-ancla a:hover { color: var(--bronce-claro); }
.nav-ancla a.btn-primary {
  color: var(--blanco);
  padding: 11px 22px;
}
.logo-icono {
  height: 54px;
  width: 54px;
  display: block;
  border-radius: 50%;
  overflow: hidden;
  object-fit: cover;
}
.logo-footer {
  height: 56px;
  width: 56px;
  margin: 0 auto 16px;
  display: block;
  border-radius: 50%;
  overflow: hidden;
  object-fit: cover;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background:
    radial-gradient(1200px 400px at 15% -10%, rgba(201, 149, 74, 0.18), transparent 60%),
    repeating-linear-gradient(120deg, rgba(255,255,255,0.02) 0px, rgba(255,255,255,0.02) 2px, transparent 2px, transparent 6px),
    linear-gradient(160deg, #1c1c1f, var(--acero-oscuro) 70%);
  color: var(--blanco);
  padding: 110px 0 80px;
  text-align: left;
  overflow: hidden;
}
.hero h1 {
  font-size: 48px;
  max-width: 720px;
  background: linear-gradient(100deg, #ffffff, var(--bronce-claro) 60%, var(--bronce));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-sub { font-size: 18px; color: #c9c9cc; max-width: 600px; margin: 22px 0 34px; }

/* ---------- Banner de incentivo ---------- */
.promo-banner {
  background: linear-gradient(90deg, #fff8ec, #fdecd1 50%, #fff8ec);
  border-bottom: 1px solid #f0dcb8;
  padding: 14px 0;
  text-align: center;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--bronce-oscuro);
}
.promo-banner .container::before { content: "✨ "; }

/* ---------- Secciones ---------- */
.historia, .servicios, .portafolio, .cotizador {
  padding: 80px 0;
  border-bottom: 1px solid var(--borde);
}
.historia p, .servicios p { color: var(--texto-suave); }

.grid-servicios {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 22px;
  margin-top: 34px;
}
.card {
  background: var(--blanco);
  border: 1px solid var(--borde);
  border-radius: 14px;
  padding: 28px 24px;
  position: relative;
  overflow: hidden;
  transition: transform 0.22s ease, box-shadow 0.22s ease;
  box-shadow: 0 2px 8px rgba(20, 20, 20, 0.04);
}
.card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--bronce-claro), var(--bronce));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 28px rgba(20, 20, 20, 0.09);
}
.card:hover::before { transform: scaleX(1); }
.card h3 {
  color: var(--bronce-oscuro);
  margin-bottom: 8px;
  font-size: 19px;
}

.nota-portafolio, .nota-cotizador { color: var(--texto-suave); font-size: 14px; }

/* ---------- Portafolio: vitrina oscura, piezas montadas ---------- */
.portafolio {
  background:
    radial-gradient(900px 300px at 85% 0%, rgba(201, 149, 74, 0.10), transparent 60%),
    linear-gradient(180deg, var(--acero-oscuro), #101012);
  color: var(--blanco);
}
.portafolio h2 { color: var(--blanco); }
.portafolio .nota-portafolio { color: #a8a8ac; }

.categoria-portafolio { margin-top: 44px; }
.categoria-portafolio:first-of-type { margin-top: 32px; }
.categoria-titulo {
  font-family: "Inter", sans-serif;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--bronce-claro);
  margin-bottom: 18px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(201, 149, 74, 0.25);
}

.grid-portafolio {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 22px;
}

.pieza-portafolio {
  margin: 0;
  background: #f4f2ec;
  border-radius: 10px;
  padding: 14px;
  box-shadow: 0 12px 28px rgba(0,0,0,0.35);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.pieza-portafolio:hover {
  transform: translateY(-6px);
  box-shadow: 0 18px 36px rgba(0,0,0,0.45);
}
.foto-placeholder {
  aspect-ratio: 1 / 1;
  background: linear-gradient(135deg, #2a2a2d, var(--acero));
  color: #9a9a9e;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  font-size: 14px;
}
/* Cuando reemplaces un div.foto-placeholder por una <img>, esta regla
   ya le da el mismo tamaño cuadrado y bordes redondeados automáticamente
   — no necesitas escribir CSS nuevo por cada foto que agregues. */
.pieza-portafolio img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: contain;
  border-radius: 6px;
  display: block;
  background: #f4f2ec;
}
.pieza-portafolio figcaption {
  margin-top: 12px;
  text-align: center;
}
.pieza-portafolio figcaption strong {
  display: block;
  color: var(--texto);
  font-family: "Playfair Display", serif;
  font-size: 15px;
}
.pieza-portafolio figcaption span {
  display: block;
  color: var(--texto-suave);
  font-size: 12.5px;
  margin-top: 2px;
}

.cierre-portafolio {
  text-align: center;
  margin-top: 48px;
  font-family: "Playfair Display", serif;
  font-size: 20px;
  color: var(--bronce-claro);
}

/* ---------- Formulario ---------- */
form fieldset {
  border: 1px solid var(--borde);
  border-radius: 14px;
  padding: 24px;
  margin-bottom: 22px;
  background: var(--blanco);
}
form legend {
  font-weight: 700;
  padding: 0 10px;
  color: var(--bronce-oscuro);
  font-family: "Playfair Display", serif;
}
form label {
  display: block;
  margin-bottom: 16px;
  font-size: 14px;
  color: var(--texto-suave);
  font-weight: 500;
}
form input[type="text"],
form input[type="email"],
form input[type="tel"],
form input[type="number"],
form select {
  display: block;
  width: 100%;
  margin-top: 7px;
  padding: 12px 14px;
  border: 1px solid var(--borde);
  border-radius: 10px;
  font-size: 15px;
  font-family: inherit;
  background: #fdfcfa;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}
form input:focus,
form select:focus {
  outline: none;
  border-color: var(--bronce);
  box-shadow: 0 0 0 3px rgba(168, 111, 44, 0.15);
}
form label.checkbox {
  display: flex;
  align-items: center;
  gap: 10px;
  background: #fdf7ec;
  padding: 10px 14px;
  border-radius: 10px;
  margin-bottom: 12px;
}
form label.checkbox input { width: auto; margin: 0; accent-color: var(--bronce); }

.resultado {
  margin-top: 28px;
  padding: 26px;
  border-radius: 14px;
  background: var(--blanco);
  border: 1px solid var(--borde);
  box-shadow: 0 8px 24px rgba(20,20,20,0.06);
  animation: aparecer 0.35s ease;
}
@keyframes aparecer {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}
.resultado.ok { border-left: 4px solid #2e7d32; }
.resultado.personalizada { border-left: 4px solid var(--bronce); }
.resultado h3 { margin-bottom: 10px; font-size: 21px; }
.resultado .btn-whatsapp {
  background: linear-gradient(135deg, #34936a, #2e7d32);
  color: white;
  margin-top: 16px;
  box-shadow: 0 6px 16px rgba(46, 125, 50, 0.3);
}
.resultado .btn-whatsapp:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 22px rgba(46, 125, 50, 0.4);
}

/* ---------- FAQ ---------- */
.faq {
  padding: 80px 0;
  border-bottom: 1px solid var(--borde);
}
.pregunta-faq {
  margin-top: 26px;
  padding-top: 22px;
  border-top: 1px solid var(--borde);
}
.pregunta-faq:first-of-type { margin-top: 34px; }
.pregunta-faq h3 {
  font-size: 18px;
  color: var(--bronce-oscuro);
  margin-bottom: 8px;
}
.pregunta-faq p { color: var(--texto-suave); margin: 0; }

/* ---------- Aviso legal / tratamiento de datos ---------- */
.legal {
  background: var(--fondo);
  padding: 32px 0;
  border-top: 1px solid var(--borde);
}
.detalle-legal {
  max-width: 720px;
  margin: 0 auto 10px;
  border: 1px solid var(--borde);
  border-radius: 8px;
  padding: 12px 16px;
  background: var(--blanco);
}
.detalle-legal summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--acero-oscuro);
  font-size: 14px;
}
.detalle-legal p {
  color: var(--texto-suave);
  font-size: 13px;
  line-height: 1.6;
  margin-top: 10px;
}

/* ---------- Footer ---------- */
.site-footer {
  background: linear-gradient(180deg, var(--acero-oscuro), #101012);
  color: #c9c9cc;
  padding: 44px 0;
  text-align: center;
}
.site-footer p:first-child {
  font-family: "Playfair Display", serif;
  font-size: 18px;
  color: var(--bronce-claro);
  margin-bottom: 6px;
}
.site-footer a { color: var(--blanco); text-decoration: none; border-bottom: 1px solid var(--bronce); }

/* ---------- Guía rápida flotante ---------- */
.btn-guia {
  position: fixed;
  bottom: 26px;
  right: 26px;
  background: linear-gradient(135deg, var(--bronce-claro), var(--bronce));
  color: white;
  border: none;
  border-radius: 999px;
  padding: 15px 24px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 8px 22px rgba(168, 111, 44, 0.4);
  z-index: 50;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  animation: pulso 2.4s ease-in-out infinite;
}
.btn-guia:hover {
  transform: translateY(-2px) scale(1.03);
  box-shadow: 0 12px 28px rgba(168, 111, 44, 0.5);
  animation-play-state: paused;
}
@keyframes pulso {
  0%, 100% { box-shadow: 0 8px 22px rgba(168, 111, 44, 0.4); }
  50% { box-shadow: 0 8px 26px rgba(168, 111, 44, 0.65); }
}

.panel-guia {
  position: fixed;
  bottom: 96px;
  right: 26px;
  width: 300px;
  max-width: calc(100vw - 48px);
  background: var(--blanco);
  border: 1px solid var(--borde);
  border-radius: 16px;
  box-shadow: 0 16px 40px rgba(0,0,0,0.22);
  z-index: 50;
  overflow: hidden;
  animation: aparecer 0.2s ease;
}
.panel-guia-header {
  background: linear-gradient(135deg, #232326, var(--acero-oscuro));
  color: white;
  padding: 16px 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  font-family: "Playfair Display", serif;
}
.panel-guia-header button {
  background: none;
  border: none;
  color: white;
  font-size: 16px;
  cursor: pointer;
  opacity: 0.7;
  transition: opacity 0.15s ease;
}
.panel-guia-header button:hover { opacity: 1; }
.panel-guia-opciones {
  display: flex;
  flex-direction: column;
  padding: 12px;
  gap: 8px;
}
.opcion-guia {
  text-align: left;
  padding: 11px 14px;
  border: 1px solid var(--borde);
  border-radius: 10px;
  background: var(--fondo);
  cursor: pointer;
  font-size: 14px;
  font-family: inherit;
  transition: background 0.15s ease, border-color 0.15s ease, transform 0.15s ease;
}
.opcion-guia:hover {
  background: #fdf7ec;
  border-color: var(--bronce-claro);
  transform: translateX(2px);
}
.opcion-guia-whatsapp {
  border-color: #2e7d32;
  color: #2e7d32;
  font-weight: 600;
}

/* ---------- Animación de aparición al hacer scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 640px) {
  .hero h1 { font-size: 34px; }
  .hero { padding: 80px 0 60px; }
  h2 { font-size: 26px; }
  .header-inner { flex-wrap: wrap; gap: 10px; padding: 14px 20px; }
  .nav-ancla { gap: 12px; }
  .nav-ancla a:not(.btn-primary) { display: none; }
}