/* =========================================================
   Tiny House Colombia — by Luis Fernando Botero
   Sistema editorial sobrio · paleta cálida arquitectónica
   ========================================================= */

/* ---------- Tokens ---------- */
:root {
  --color-carbon: #1F2421;
  --color-cal: #FAF8F3;
  --color-niebla: #ECE9E1;
  --color-madera: #B87949;
  --color-verde: #52604F;
  --color-piedra: #BDB6A6;

  --color-text: #1F2421;
  --color-text-muted: #5a5e58;
  --color-line: #d8d3c6;

  /* Sistema tipográfico unificado: Inter (open source, estética Helvetica web-first) */
  --font-sans: "Inter", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-display: "Inter", "Helvetica Neue", Helvetica, Arial, sans-serif;

  --container: 1240px;
  --container-narrow: 820px;
  --radius: 2px;
  --radius-lg: 4px;

  --shadow-soft: 0 2px 24px rgba(31, 36, 33, 0.08);
  --shadow-card: 0 1px 0 rgba(31, 36, 33, 0.06);

  --easing: cubic-bezier(.2, .8, .2, 1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.65;
  color: var(--color-text);
  background: var(--color-cal);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
@media (max-width: 700px) { body { font-size: 16px; } }

img, svg, video { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--color-madera); }
button { font: inherit; cursor: pointer; }

:focus-visible {
  outline: 2px solid var(--color-madera);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
.container.narrow { max-width: var(--container-narrow); }
@media (max-width: 700px) { .container { padding: 0 20px; } }

.section {
  padding: 96px 0;
  position: relative;
}
.section + .section { border-top: 1px solid var(--color-line); }
.section.manifiesto { background: var(--color-niebla); border-top: none; }
.section.in-progress { background: var(--color-niebla); }
.section.bio { background: var(--color-niebla); }
.section.contact { background: var(--color-carbon); color: var(--color-cal); border-top: none; }
@media (max-width: 700px) { .section { padding: 64px 0; } }

.section-head { text-align: left; margin-bottom: 48px; max-width: 780px; }
.section-sub { color: var(--color-text-muted); margin-top: 8px; font-size: 1.05rem; max-width: 680px; }

/* ---------- Tipografía ---------- */
h1, h2, h3 {
  font-family: var(--font-display);
  color: var(--color-carbon);
  margin: 0 0 0.4em;
  line-height: 1.15;
}

/* H1 — caja natural, máxima legibilidad para el mensaje principal */
h1 {
  font-size: clamp(2.1rem, 1.4rem + 3.6vw, 4rem);
  font-weight: 600;
  letter-spacing: -0.022em;
  line-height: 1.08;
}

/* H2 — UPPERCASE editorial con tracking generoso */
h2 {
  font-size: clamp(1.5rem, 1.1rem + 1.5vw, 2.25rem);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  line-height: 1.18;
}

/* H3 — UPPERCASE más compacto, peso menor */
h3 {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  line-height: 1.25;
}

.eyebrow {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-madera);
  margin: 0 0 14px;
}
.section.contact .eyebrow { color: var(--color-piedra); }

p { margin: 0 0 1em; }
strong { font-weight: 600; }
em { font-style: italic; }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 12px 26px;
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  border: 1.5px solid transparent;
  transition: all .25s var(--easing);
  cursor: pointer;
  text-align: center;
  user-select: none;
}
.btn-primary {
  background: var(--color-carbon);
  color: var(--color-cal);
  border-color: var(--color-carbon);
}
.btn-primary:hover, .btn-primary:focus-visible {
  background: var(--color-madera);
  border-color: var(--color-madera);
  color: var(--color-cal);
}
.btn-ghost {
  background: transparent;
  color: var(--color-cal);
  border-color: var(--color-cal);
}
.btn-ghost:hover, .btn-ghost:focus-visible {
  background: var(--color-cal);
  color: var(--color-carbon);
}
.section.contact .btn-ghost { color: var(--color-cal); border-color: var(--color-cal); }
.btn-block { width: 100%; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(250, 248, 243, 0.94);
  backdrop-filter: saturate(140%) blur(8px);
  -webkit-backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--color-line);
}
.nav-row {
  display: flex; align-items: center; justify-content: space-between;
  min-height: 72px; padding-top: 12px; padding-bottom: 12px;
}
.brand {
  display: inline-flex; align-items: center; gap: 12px;
  color: var(--color-carbon);
}
.brand-mark { color: var(--color-carbon); display: inline-flex; }
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-line-1 { font-family: var(--font-display); font-size: 0.92rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; }
.brand-line-2 { font-size: 0.68rem; font-weight: 400; letter-spacing: 0.12em; color: var(--color-text-muted); text-transform: uppercase; margin-top: 2px; }

.primary-nav { display: flex; align-items: center; gap: 28px; }
.primary-nav ul {
  list-style: none; margin: 0; padding: 0;
  display: flex; gap: 22px;
}
.primary-nav a {
  font-size: 0.92rem; font-weight: 500;
  color: var(--color-carbon);
  padding: 6px 0;
  position: relative;
}
.primary-nav a:hover { color: var(--color-madera); }
.nav-cta {
  background: var(--color-carbon); color: var(--color-cal);
  padding: 10px 20px; border-radius: var(--radius);
  font-size: 0.88rem; font-weight: 600; letter-spacing: 0.04em;
}
.nav-cta:hover, .nav-cta:focus-visible { background: var(--color-madera); color: var(--color-cal); }

.nav-toggle {
  display: none;
  background: transparent; border: 0; padding: 8px;
  width: 44px; height: 44px;
  flex-direction: column; gap: 5px; align-items: center; justify-content: center;
}
.nav-toggle span {
  display: block; width: 22px; height: 1.6px;
  background: var(--color-carbon);
  transition: transform .3s var(--easing), opacity .2s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 960px) {
  .nav-toggle { display: inline-flex; }
  .primary-nav {
    position: fixed; inset: 72px 0 0 0;
    background: var(--color-cal);
    flex-direction: column; align-items: flex-start; justify-content: flex-start;
    padding: 32px 24px 32px;
    gap: 8px;
    transform: translateX(100%);
    transition: transform .3s var(--easing);
    border-top: 1px solid var(--color-line);
  }
  .primary-nav.is-open { transform: translateX(0); }
  .primary-nav ul { flex-direction: column; gap: 4px; width: 100%; }
  .primary-nav a {
    display: block; padding: 14px 0; font-size: 0.95rem;
    border-bottom: 1px solid var(--color-line);
    font-family: var(--font-display); font-weight: 600;
    letter-spacing: 0.08em; text-transform: uppercase;
  }
  .nav-cta { margin-top: 16px; align-self: stretch; text-align: center; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: clamp(560px, 78vh, 780px);
  display: flex; align-items: flex-end;
  color: var(--color-cal);
  overflow: hidden;
  isolation: isolate;
}
.hero-image { position: absolute; inset: 0; z-index: -2; }
.hero-image img { width: 100%; height: 100%; object-fit: cover; }
.hero-overlay {
  position: absolute; inset: 0; z-index: -1;
  background:
    linear-gradient(180deg, rgba(31,36,33,0.18) 0%, rgba(31,36,33,0.05) 30%, rgba(31,36,33,0.78) 100%);
}
.hero-content { padding-bottom: 80px; padding-top: 120px; }
.hero h1 { color: var(--color-cal); max-width: 18ch; }
.hero .eyebrow { color: var(--color-piedra); }
.hero .lede { font-size: 1.15rem; max-width: 60ch; color: var(--color-cal); opacity: 0.95; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 24px; }
.hero-meta { margin-top: 24px; font-size: 0.85rem; letter-spacing: 0.04em; color: var(--color-piedra); }
@media (max-width: 700px) {
  .hero-content { padding-bottom: 56px; padding-top: 80px; }
  .hero .lede { font-size: 1.05rem; }
}

/* ---------- Manifiesto ---------- */
.manifiesto p { font-size: 1.1rem; color: var(--color-text); }
.manifiesto h2 { max-width: 16ch; }

/* ---------- Filtros ---------- */
.filters {
  display: flex; flex-wrap: wrap; gap: 8px;
  margin: 0 0 36px;
}
.filter {
  font-family: var(--font-sans);
  font-size: 0.85rem; font-weight: 500; letter-spacing: 0.04em;
  padding: 8px 16px;
  border: 1px solid var(--color-line);
  background: transparent;
  color: var(--color-text-muted);
  border-radius: 999px;
  transition: all .2s var(--easing);
}
.filter:hover { color: var(--color-carbon); border-color: var(--color-carbon); }
.filter.is-active {
  background: var(--color-carbon);
  color: var(--color-cal);
  border-color: var(--color-carbon);
}

/* ---------- Grid de proyectos ---------- */
.grid { display: grid; gap: 48px; }
.grid-projects { grid-template-columns: repeat(3, 1fr); gap: 48px 28px; }
.grid-services { grid-template-columns: repeat(3, 1fr); gap: 28px; }
.grid-progress { grid-template-columns: repeat(2, 1fr); gap: 36px; }
@media (max-width: 1024px) {
  .grid-projects { grid-template-columns: repeat(2, 1fr); gap: 48px 32px; }
}
@media (max-width: 960px) {
  .grid-services { grid-template-columns: repeat(2, 1fr); }
  .grid-progress { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .grid-projects { grid-template-columns: 1fr; gap: 40px; }
  .grid-services { grid-template-columns: 1fr; }
}

/* ===== Tarjeta proyecto — hero B&N + 4 thumbs color ===== */
.project-card {
  background: transparent;
  border: 0;
  display: flex; flex-direction: column;
  cursor: pointer;
  transition: opacity .25s var(--easing);
}
.project-card:focus-visible { outline: none; }
.project-card:focus-visible .hero-shot { outline: 2px solid var(--color-madera); outline-offset: 4px; }

/* Hero B&N */
.project-card .hero-shot {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--color-niebla);
  border-radius: var(--radius);
}
.project-card .hero-shot img {
  width: 100%; height: 100%; object-fit: cover;
  filter: grayscale(100%) contrast(1.04) brightness(0.96);
  transition: filter .5s var(--easing), transform .8s var(--easing);
}
.project-card:hover .hero-shot img,
.project-card:focus-visible .hero-shot img {
  filter: grayscale(0%) contrast(1) brightness(1);
  transform: scale(1.02);
}

/* Meta debajo del hero */
.project-card .meta {
  padding: 18px 0 0;
  display: flex; flex-direction: column; gap: 6px;
}
.project-card .tag-row {
  display: flex; gap: 14px; align-items: center;
  font-size: 0.7rem; font-weight: 600; letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-verde);
}
.project-card .tag-row .sep { color: var(--color-piedra); }
.project-card .tag-row .in-progress { color: var(--color-madera); }
.project-card h3 {
  font-size: 1.05rem;
  letter-spacing: 0.06em;
  font-weight: 700;
  margin: 4px 0 2px;
  color: var(--color-carbon);
}
.project-card .loc {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  letter-spacing: 0.02em;
  margin: 0;
}

/* 4 Thumbs a color */
.project-card .thumbs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 5px;
  margin-top: 14px;
}
@media (min-width: 1025px) and (max-width: 1200px) {
  .project-card .thumbs { gap: 4px; }
}
.project-card .thumbs img {
  aspect-ratio: 1 / 1;
  width: 100%;
  object-fit: cover;
  border-radius: 2px;
  transition: opacity .25s ease, transform .35s var(--easing);
  cursor: pointer;
  background: var(--color-niebla);
}
.project-card .thumbs img:hover {
  opacity: 0.85;
  transform: scale(1.02);
}

/* Tarjeta de obra en proceso (más ancha y editorial) */
.progress-card {
  background: var(--color-cal);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex; flex-direction: column;
}
.progress-card .media {
  aspect-ratio: 3 / 2;
  background: var(--color-piedra);
  overflow: hidden;
}
.progress-card .media img {
  width: 100%; height: 100%; object-fit: cover;
  filter: grayscale(100%) contrast(1.04) brightness(0.96);
  transition: filter .5s var(--easing);
}
.progress-card:hover .media img { filter: grayscale(0%) contrast(1) brightness(1); }
.progress-card .body { padding: 28px 28px 30px; }
.progress-card .status-pill {
  display: inline-block;
  background: var(--color-madera);
  color: var(--color-cal);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 999px;
  margin-bottom: 14px;
}
.progress-card h3 { margin-bottom: 6px; }
.progress-card .loc { color: var(--color-text-muted); font-size: 0.95rem; margin-bottom: 14px; }
.progress-card .spec {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 6px 18px;
  margin: 14px 0 18px;
  font-size: 0.92rem;
  border-top: 1px solid var(--color-line);
  padding-top: 14px;
}
.progress-card .spec dt {
  font-weight: 600; color: var(--color-carbon);
  letter-spacing: 0.04em; font-size: 0.78rem; text-transform: uppercase;
}
.progress-card .spec dd { margin: 0; color: var(--color-text-muted); }
.progress-card .gallery {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  margin-top: 18px;
}
.progress-card .gallery img {
  aspect-ratio: 1 / 1; object-fit: cover; border-radius: 2px; cursor: pointer;
  transition: opacity .2s ease;
}
.progress-card .gallery img:hover { opacity: 0.85; }
.progress-card .cta { margin-top: 22px; }

.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 60px 20px;
  color: var(--color-text-muted);
  font-family: var(--font-display);
  font-size: 0.9rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: var(--color-cal);
  border: 1px dashed var(--color-line);
  border-radius: var(--radius-lg);
}

/* ---------- Servicios ---------- */
.service-card {
  padding: 32px 28px;
  background: var(--color-cal);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  transition: border-color .25s, transform .25s var(--easing);
}
.service-card:hover { border-color: var(--color-madera); transform: translateY(-2px); }
.service-card h3 { margin-bottom: 10px; color: var(--color-carbon); }
.service-card p { color: var(--color-text-muted); margin: 0; font-size: 0.98rem; }

/* ---------- Método ---------- */
.method-steps {
  list-style: none; padding: 0; margin: 0;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 24px;
}
.method-steps li {
  position: relative;
  padding: 24px 18px 0;
  border-top: 1px solid var(--color-line);
}
.method-steps .step-num {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--color-madera);
  display: block;
  margin-bottom: 14px;
  font-weight: 700;
  letter-spacing: 0.06em;
}
.method-steps h3 { font-size: 1.15rem; margin-bottom: 8px; }
.method-steps p { font-size: 0.95rem; color: var(--color-text-muted); margin: 0; }
@media (max-width: 960px) {
  .method-steps { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .method-steps { grid-template-columns: 1fr; }
}

/* ---------- Bio ---------- */
.bio-grid {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 48px;
  align-items: start;
}
.bio-photo {
  max-width: 160px;
}
.bio-photo img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-line);
  filter: grayscale(100%) contrast(1.04) brightness(0.96);
  transition: filter .4s var(--easing);
}
.bio-photo img:hover { filter: grayscale(0%) contrast(1) brightness(1); }
.bio-text { max-width: 720px; }
.bio-text h2 { margin-top: 4px; }
.bio-role {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-verde);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 20px;
}
.bio-links { margin-top: 8px; }
.bio-links a {
  font-weight: 500; color: var(--color-madera);
  border-bottom: 1px solid var(--color-madera);
  padding-bottom: 1px;
}
@media (max-width: 700px) {
  .bio-grid { grid-template-columns: 1fr; gap: 28px; }
  .bio-photo { max-width: 140px; }
}

/* ---------- FAQ ---------- */
.faq-list { display: flex; flex-direction: column; gap: 8px; }
.faq-item {
  border-top: 1px solid var(--color-line);
  padding: 18px 0;
}
.faq-item:last-child { border-bottom: 1px solid var(--color-line); }
.faq-item summary {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  list-style: none;
  cursor: pointer;
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px;
  color: var(--color-carbon);
  padding: 4px 0;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  font-family: var(--font-sans);
  font-size: 1.5rem; line-height: 1;
  color: var(--color-madera);
  transition: transform .2s var(--easing);
  flex-shrink: 0;
}
.faq-item[open] summary::after { content: "−"; }
.faq-item p {
  margin-top: 12px; margin-bottom: 6px;
  color: var(--color-text-muted);
}
.faq-item a { color: var(--color-madera); border-bottom: 1px solid var(--color-madera); }

/* ---------- Contacto ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
}
.contact h2 { color: var(--color-cal); }
.contact p { color: var(--color-piedra); }
.contact-direct {
  list-style: none; padding: 0; margin: 24px 0 0;
  display: flex; flex-direction: column; gap: 12px;
}
.contact-direct .btn { align-self: flex-start; }
.contact-link {
  color: var(--color-cal);
  border-bottom: 1px solid rgba(250, 248, 243, 0.3);
  display: inline-block;
}
.contact-link:hover { color: var(--color-madera); border-color: var(--color-madera); }
.contact-meta { font-size: 0.9rem; color: var(--color-piedra); margin-top: 8px; }

.contact-form {
  background: rgba(250, 248, 243, 0.05);
  padding: 32px;
  border: 1px solid rgba(250, 248, 243, 0.18);
  border-radius: var(--radius-lg);
}
.field { display: flex; flex-direction: column; margin-bottom: 16px; }
.field label {
  font-size: 0.78rem; font-weight: 500;
  letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--color-piedra);
  margin-bottom: 6px;
}
.field input, .field select, .field textarea {
  font: inherit; font-size: 1rem;
  padding: 12px 14px;
  background: rgba(250, 248, 243, 0.06);
  color: var(--color-cal);
  border: 1px solid rgba(250, 248, 243, 0.2);
  border-radius: var(--radius);
  transition: border-color .2s ease;
  font-family: var(--font-sans);
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--color-madera);
  background: rgba(250, 248, 243, 0.1);
}
.field textarea { resize: vertical; min-height: 110px; }
.field select option { background: var(--color-carbon); color: var(--color-cal); }
.contact-form .btn-primary { margin-top: 8px; }
.contact-form .btn-primary { background: var(--color-madera); border-color: var(--color-madera); }
.contact-form .btn-primary:hover { background: var(--color-cal); color: var(--color-carbon); border-color: var(--color-cal); }
.form-note { font-size: 0.78rem; color: var(--color-piedra); margin: 12px 0 0; }
.hp { position: absolute; left: -10000px; }

@media (max-width: 900px) {
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-carbon);
  color: var(--color-piedra);
  padding: 64px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(250, 248, 243, 0.1);
}
.footer-logo {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-cal);
  margin-bottom: 6px;
}
.footer-logo span {
  font-family: var(--font-sans); font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--color-piedra);
  display: inline-block;
  margin-top: 4px;
}
.footer-tag { color: var(--color-piedra); font-size: 0.95rem; max-width: 32ch; }
.footer-title {
  font-size: 0.78rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--color-cal); margin-bottom: 14px; font-weight: 600;
}
.footer-nav ul, .footer-contact ul {
  list-style: none; padding: 0; margin: 0;
  display: flex; flex-direction: column; gap: 8px;
}
.footer-nav a, .footer-contact a { color: var(--color-piedra); font-size: 0.92rem; }
.footer-nav a:hover, .footer-contact a:hover { color: var(--color-madera); }
.footer-base { color: var(--color-piedra); font-size: 0.88rem; margin-top: 6px; }
.footer-bottom {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px;
  padding-top: 24px;
  font-size: 0.82rem;
  color: var(--color-piedra);
}
.footer-legal a { color: var(--color-piedra); }
.footer-legal a:hover { color: var(--color-madera); }
@media (max-width: 700px) {
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
}

/* ---------- Floating WhatsApp ---------- */
.float-wa {
  position: fixed; right: 22px; bottom: 22px; z-index: 60;
  width: 56px; height: 56px;
  border-radius: 50%;
  background: #25D366;
  color: #FFFFFF;
  display: inline-flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.22);
  transition: transform .25s var(--easing);
}
.float-wa:hover { transform: scale(1.08); color: #FFFFFF; }

/* ---------- Lightbox ---------- */
.lightbox {
  position: fixed; inset: 0;
  background: rgba(31, 36, 33, 0.92);
  display: none;
  align-items: center; justify-content: center;
  z-index: 200;
  padding: 32px;
}
.lightbox.is-open { display: flex; }
.lightbox img {
  max-width: 100%; max-height: 100%;
  border-radius: var(--radius);
}
.lightbox-close {
  position: absolute; top: 24px; right: 24px;
  background: transparent; border: 0;
  color: var(--color-cal); font-size: 2rem;
  width: 48px; height: 48px;
  display: inline-flex; align-items: center; justify-content: center;
  cursor: pointer;
}

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity .7s var(--easing), transform .7s var(--easing); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ---------- Print ---------- */
@media print {
  .site-header, .float-wa, .nav-toggle, .filters, .contact-form { display: none !important; }
  body { background: #fff; color: #000; }
  .section { padding: 32px 0; border: 0; }
}