/* ============================================================
   BIRMIN HOUSE — SHARED STYLES
   Used across all subpages
   ============================================================ */

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

:root {
  --white: #F8F7F4;
  --black: #1A1A1A;
  --gray: #6B6B6B;
  --light-gray: #ECEAE6;
  --beige: #D4C5A9;
  --warm-bg: #F8F7F4;
  --cream: #F8F7F4;
  --serif: 'DM Serif Display', serif;
  --sans: 'Inter', sans-serif;
  --bold: 'Anton', sans-serif;
  --orange: #8E0D1E;
  --blue: #0066FF;
  --red: #E63946;
  --yellow: #FFB800;
  --grad: linear-gradient(135deg, #1B2840 0%, #8E0D1E 52%, #C47868 100%);
  --grad-light: linear-gradient(135deg, rgba(27,40,64,0.08) 0%, rgba(142,13,30,0.10) 52%, rgba(196,120,104,0.08) 100%);
  --grad-border: #8E0D1E;
}

html { scroll-behavior: smooth; font-size: 16px; }

/* ==================== PAGE TRANSITION ==================== */
@keyframes birminFadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

body {
  font-family: var(--sans);
  background-color: var(--white);
  color: var(--black);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  animation: birminFadeIn 0.45s ease both;
}

body.overlay-open { overflow: hidden; }
body.overlay-open .whatsapp-float { display: none; }

::selection { background-color: var(--black); color: var(--white); }

img { display: block; max-width: 100%; height: auto; }

a { color: inherit; text-decoration: none; }

/* ==================== BIRMIN MODE ==================== */
body.birmin-mode ::selection { background-color: var(--orange); color: white; }
body.birmin-mode .section-label { font-weight: 500; }
body.birmin-mode .cta-link { border-color: var(--orange); color: var(--orange); }
body.birmin-mode .cta-link:hover { background-color: var(--orange); color: white; }
body.birmin-mode .whatsapp-float { background-color: var(--orange); }
body.birmin-mode .whatsapp-float svg { fill: white; }
body.birmin-mode .nav-eval { border-color: var(--orange); color: var(--orange); }
body.birmin-mode .nav-eval:hover { background-color: var(--orange); color: white; border-color: var(--orange); }
body.birmin-mode .breadcrumb a:hover { color: var(--orange); }

/* ==================== NAV ==================== */
nav {
  position: fixed; top: 0; left: 0; width: 100%; z-index: 100;
  padding: 1.5rem 3rem;
  display: flex; align-items: center;
  transition: background-color 0.4s ease, padding 0.4s ease, box-shadow 0.4s ease;
}
nav.scrolled {
  background-color: rgba(250, 250, 248, 0.92);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  padding: 1rem 3rem;
  border-bottom: 1px solid var(--light-gray);
  box-shadow: 0 1px 8px rgba(0,0,0,0.03);
}
.nav-logo { display: flex; align-items: center; text-decoration: none; }
.nav-logo img { height: 48px; width: auto; object-fit: contain; }

.nav-right { margin-left: auto; display: flex; align-items: center; gap: 1rem; }

/* Language Switcher */
.lang-switch { position: relative; }
.lang-btn {
  display: flex; align-items: center; gap: 0.4rem;
  background: none; border: none; cursor: pointer;
  font-family: var(--sans); font-size: 0.78rem; font-weight: 500;
  color: var(--black); letter-spacing: 0.05em;
  padding: 0.4rem 0.6rem; border-radius: 4px;
  transition: background 0.2s ease;
}
.lang-btn:hover { background: rgba(0,0,0,0.04); }
.lang-btn .arrow { font-size: 0.55rem; margin-left: 0.15rem; transition: transform 0.3s ease; }
.lang-switch.open .lang-btn .arrow { transform: rotate(180deg); }

.lang-dropdown {
  position: absolute; top: calc(100% + 6px); right: 0;
  background: #2C2C2C; border-radius: 6px;
  min-width: 130px; overflow: hidden;
  opacity: 0; visibility: hidden; transform: translateY(-6px);
  transition: all 0.25s ease;
  box-shadow: 0 8px 24px rgba(0,0,0,0.15);
}
.lang-switch.open .lang-dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
.lang-option {
  display: flex; align-items: center; gap: 0.5rem;
  padding: 0.65rem 1rem; cursor: pointer;
  font-size: 0.78rem; color: rgba(255,255,255,0.85);
  transition: background 0.2s ease;
}
.lang-option:hover { background: rgba(255,255,255,0.08); }
.lang-option.active { color: rgba(255,255,255,0.4); pointer-events: none; }

/* Hamburger */
.hamburger-wrap { position: relative; }
.hamburger-btn {
  background: none; border: none; cursor: pointer;
  font-size: 1.4rem; color: var(--black);
  padding: 0.3rem 0.5rem; border-radius: 4px;
  transition: background 0.2s ease;
  line-height: 1;
}
.hamburger-btn:hover { background: rgba(0,0,0,0.04); }

.hamburger-dropdown {
  position: absolute; top: calc(100% + 8px); right: 0;
  background: #ffffff;
  border: 1px solid var(--light-gray);
  border-radius: 8px; min-width: 200px;
  padding: 0.5rem 0; overflow: hidden;
  opacity: 0; visibility: hidden; transform: translateY(-8px);
  transition: all 0.3s ease;
  box-shadow: 0 12px 40px rgba(0,0,0,0.08);
}
.hamburger-wrap.open .hamburger-dropdown { opacity: 1; visibility: visible; transform: translateY(0); }

.hamburger-dropdown a,
.hamburger-dropdown button {
  display: block; width: 100%;
  padding: 0.7rem 1.4rem;
  font-family: var(--sans); font-size: 0.82rem; font-weight: 400;
  color: var(--black); text-align: left;
  background: none; border: none; cursor: pointer;
  transition: background 0.2s ease, padding-left 0.2s ease;
  text-decoration: none;
}
.hamburger-dropdown a:hover,
.hamburger-dropdown button:hover {
  background: rgba(0,0,0,0.03); padding-left: 1.7rem;
}
.hamburger-divider { height: 1px; background: var(--light-gray); margin: 0.3rem 0; }

/* ==================== BREADCRUMBS ==================== */
.breadcrumb {
  padding: 7rem 3rem 0;
  max-width: 1200px; margin: 0 auto;
  font-size: 0.78rem; color: var(--gray);
  font-weight: 400; letter-spacing: 0.02em;
}
.breadcrumb a { transition: color 0.2s ease; }
.breadcrumb a:hover { color: var(--black); }
.breadcrumb .sep { margin: 0 0.5rem; opacity: 0.5; }

/* ==================== PAGE HERO ==================== */
.page-hero {
  padding: 2rem 3rem 4rem;
  max-width: 1200px; margin: 0 auto;
}
.page-hero h1 {
  font-family: var(--serif);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 400;
  line-height: 1.15;
  margin-bottom: 1.2rem;
  color: var(--black);
}
.page-hero p {
  font-size: 1.05rem;
  font-weight: 300;
  color: var(--gray);
  line-height: 1.7;
  max-width: 680px;
}

/* ==================== SECTIONS ==================== */
.section {
  padding: 5rem 3rem;
  max-width: 1200px;
  margin: 0 auto;
}
.section-label {
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 1.5rem;
}
.section h2 {
  font-family: var(--serif);
  font-size: clamp(1.6rem, 3vw, 2.5rem);
  font-weight: 400;
  line-height: 1.2;
  margin-bottom: 1.5rem;
}
.section p {
  font-size: 1rem;
  font-weight: 300;
  color: var(--gray);
  line-height: 1.7;
  max-width: 720px;
}

/* ==================== SERVICE CARDS ==================== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}
.service-card {
  border: 1px solid var(--light-gray);
  border-radius: 6px;
  padding: 2.5rem;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}
.service-card:hover {
  border-color: var(--beige);
  box-shadow: 0 8px 30px rgba(0,0,0,0.05);
}
.service-card h3 {
  font-family: var(--serif);
  font-size: 1.4rem;
  font-weight: 400;
  margin-bottom: 1rem;
}
.service-card p {
  font-size: 0.95rem;
  font-weight: 300;
  color: var(--gray);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}
.service-card ul {
  list-style: none;
  padding: 0;
}
.service-card ul li {
  font-size: 0.9rem;
  font-weight: 300;
  color: var(--gray);
  padding: 0.4rem 0;
  padding-left: 1.2rem;
  position: relative;
}
.service-card ul li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--beige);
}
body.birmin-mode .service-card ul li::before { color: var(--orange); }

/* ==================== PORTFOLIO GRID ==================== */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}
.portfolio-item {
  position: relative;
  overflow: hidden;
  border-radius: 4px;
  aspect-ratio: 4/3;
  cursor: pointer;
}
.portfolio-item img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.6s ease;
}
.portfolio-item:hover img { transform: scale(1.05); }
.portfolio-item::after {
  content: 'BIRMIN HOUSE';
  position: absolute; bottom: 0.8rem; right: 1rem;
  font-family: var(--sans); font-size: 0.55rem;
  font-weight: 500; letter-spacing: 0.15em;
  color: rgba(255,255,255,0.5);
  text-transform: uppercase;
}

/* ==================== CTA SECTION ==================== */
.cta-section {
  padding: 6rem 3rem;
  text-align: center;
  background: var(--warm-bg);
}
.cta-section h2 {
  font-family: var(--serif);
  font-size: clamp(1.6rem, 3vw, 2.5rem);
  font-weight: 400;
  margin-bottom: 1rem;
  max-width: 600px;
  margin-left: auto; margin-right: auto;
}
.cta-section p {
  font-size: 1rem;
  font-weight: 300;
  color: var(--gray);
  margin-bottom: 2rem;
  max-width: 500px;
  margin-left: auto; margin-right: auto;
}
.cta-link {
  display: inline-block;
  padding: 0.85rem 2rem;
  font-family: var(--sans);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--black);
  border: 1px solid var(--black);
  border-radius: 3px;
  transition: all 0.3s ease;
  text-decoration: none;
}
.cta-link:hover {
  background-color: var(--black);
  color: var(--white);
}

/* ==================== PROCESS STEPS ==================== */
.process-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}
.process-step {
  padding: 2rem 0;
  border-top: 1px solid var(--light-gray);
}
.process-number {
  font-family: var(--serif);
  font-size: 2.5rem;
  font-weight: 400;
  color: var(--beige);
  margin-bottom: 0.8rem;
  line-height: 1;
}
body.birmin-mode .process-number { color: var(--blue); }
.process-step h3 {
  font-family: var(--sans);
  font-size: 1rem;
  font-weight: 500;
  margin-bottom: 0.6rem;
}
.process-step p {
  font-size: 0.9rem;
  font-weight: 300;
  color: var(--gray);
  line-height: 1.6;
}

/* ==================== TEAM GRID ==================== */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 3rem;
  margin-top: 3rem;
}
.team-member { text-align: center; }
.team-photo {
  width: 160px; height: 160px;
  border-radius: 50%;
  object-fit: cover;
  object-position: center 20%;
  margin: 0 auto 1.5rem;
}
.team-member h3 {
  font-family: var(--serif);
  font-size: 1.3rem;
  font-weight: 400;
  margin-bottom: 0.3rem;
}
.team-member .role {
  font-size: 0.82rem;
  font-weight: 400;
  color: var(--gray);
  margin-bottom: 1rem;
}
.team-member p {
  font-size: 0.9rem;
  font-weight: 300;
  color: var(--gray);
  line-height: 1.6;
  max-width: 400px;
  margin: 0 auto;
}

/* ==================== FEATURE LIST ==================== */
.feature-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}
.feature-item {
  padding: 1.5rem 0;
  border-top: 1px solid var(--light-gray);
}
.feature-item h4 {
  font-family: var(--sans);
  font-size: 0.95rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
}
.feature-item p {
  font-size: 0.88rem;
  font-weight: 300;
  color: var(--gray);
  line-height: 1.6;
}

/* ==================== INTERNAL LINKS ==================== */
.internal-links {
  padding: 4rem 3rem;
  max-width: 1200px;
  margin: 0 auto;
}
.internal-links h3 {
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 1.5rem;
}
.links-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 0.8rem;
}
.links-grid a {
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--black);
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--light-gray);
  transition: color 0.2s ease, border-color 0.2s ease;
}
.links-grid a:hover { color: var(--gray); border-color: var(--beige); }
body.birmin-mode .links-grid a:hover { color: var(--orange); border-color: var(--orange); }

/* ==================== WHATSAPP FLOAT ==================== */
.whatsapp-float {
  position: fixed; bottom: 1.5rem; right: 1.5rem; z-index: 99;
  width: 52px; height: 52px;
  background-color: var(--beige);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 12px rgba(0,0,0,0.12);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  text-decoration: none;
}
.whatsapp-float:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 20px rgba(0,0,0,0.18);
}
.whatsapp-float svg { width: 24px; height: 24px; fill: var(--black); }

/* ==================== FOOTER ==================== */
footer {
  background: var(--warm-bg);
  border-top: 1px solid var(--light-gray);
  padding: 4rem 3rem 2rem;
}
.footer-grid {
  max-width: 1200px; margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
}
.footer-logo { height: 24px; width: auto; object-fit: contain; margin-bottom: 0.8rem; }
.footer-tagline { font-size: 0.85rem; font-weight: 300; color: var(--gray); line-height: 1.6; }
.footer-label {
  font-size: 0.7rem; font-weight: 500;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--black); margin-bottom: 0.8rem;
}
.footer-link {
  display: block; font-size: 0.85rem; font-weight: 300;
  color: var(--gray); margin-bottom: 0.4rem;
  transition: color 0.2s ease; text-decoration: none;
}
.footer-link:hover { color: var(--black); }
body.birmin-mode .footer-link:hover { color: var(--orange); }
.footer-bottom {
  max-width: 1200px; margin: 3rem auto 0;
  padding-top: 2rem;
  border-top: 1px solid var(--light-gray);
  font-size: 0.75rem; font-weight: 300;
  color: var(--gray); text-align: center;
}
.footer-disclaimer {
  font-size: 0.7rem; color: var(--gray);
  margin-top: 0.8rem;
  max-width: 600px; margin-left: auto; margin-right: auto;
  text-align: center;
}

/* ==================== REVEAL ANIMATIONS ==================== */
.reveal {
  opacity: 0; transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-d1 { transition-delay: 0.15s; }
.reveal-d2 { transition-delay: 0.3s; }
.reveal-d3 { transition-delay: 0.45s; }

/* ==================== LIGHTBOX ==================== */
.photo-lightbox {
  position: fixed; inset: 0; z-index: 600;
  background: rgba(0,0,0,0.95);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden;
  transition: opacity 0.4s ease, visibility 0.4s ease;
}
.photo-lightbox.active { opacity: 1; visibility: visible; }
.lightbox-close {
  position: absolute; top: 1.5rem; right: 1.5rem;
  background: none; border: none; color: white;
  font-size: 2rem; cursor: pointer; padding: 0.5rem;
  opacity: 0.7; transition: opacity 0.2s;
}
.lightbox-close:hover { opacity: 1; }
.lightbox-img {
  max-width: 92vw; max-height: 85vh;
  object-fit: contain; border-radius: 2px;
}
.lightbox-nav {
  position: absolute; top: 50%; transform: translateY(-50%);
  background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.2);
  color: white; width: 44px; height: 44px;
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  cursor: pointer; font-size: 1.2rem;
  transition: background 0.2s;
}
.lightbox-nav:hover { background: rgba(255,255,255,0.2); }
.lightbox-prev { left: 1.5rem; }
.lightbox-next { right: 1.5rem; }
.lightbox-counter {
  position: absolute; bottom: 1.5rem; left: 50%; transform: translateX(-50%);
  color: rgba(255,255,255,0.5); font-size: 0.8rem;
}

/* ==================== HOUSE EXCLUSIVE FEATURES ==================== */

/* B — Primera imagen featured (full width) */
.catalog-item-featured {
  grid-column: 1 / -1;
  aspect-ratio: 16/7;
}

/* Badge "Diseño 01" en la imagen featured */
.catalog-featured-badge {
  position: absolute; top: 1rem; left: 1rem; z-index: 3;
  font-family: var(--sans); font-size: 0.6rem; font-weight: 500;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: rgba(255,255,255,0.9);
  padding: 0.3rem 0.85rem;
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 20px;
  background: rgba(0,0,0,0.22);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  pointer-events: none;
}

/* A — Tags de estilo/material debajo del encabezado */
.catalog-style-tags {
  display: flex; gap: 0.5rem; flex-wrap: wrap;
  margin-bottom: 2rem;
}
.catalog-style-tags span {
  font-family: var(--sans); font-size: 0.62rem; font-weight: 400;
  letter-spacing: 0.04em; text-transform: none;
  color: var(--gray);
  padding: 0.32rem 1rem;
  border: 1px solid var(--light-gray);
  border-radius: 20px;
  transition: border-color 0.3s ease, color 0.3s ease, background 0.3s ease;
}
.catalog-section:hover .catalog-style-tags span {
  border-color: var(--beige);
  color: var(--black);
  background: rgba(212, 197, 169, 0.12);
}

/* C — Hover editorial (house): número nítido + overlay oscuro + CTA alineado */
body:not(.birmin-mode) .catalog-item:hover .catalog-number {
  color: rgba(255,255,255,1);
  text-shadow: 0 2px 14px rgba(0,0,0,0.7);
}
body:not(.birmin-mode) .catalog-item:hover::before {
  background: linear-gradient(to top, rgba(0,0,0,0.75) 0%, rgba(0,0,0,0.15) 52%, rgba(0,0,0,0) 100%);
}

/* ==================== CATALOG GRID ==================== */
.catalog-section { padding: 4rem 3rem 2rem; max-width: 1200px; margin: 0 auto; }
.catalog-section + .catalog-section { padding-top: 3.5rem; }
.catalog-section-title,
.catalog-section h2 {
  font-family: var(--serif); font-size: clamp(1.4rem, 2.5vw, 1.8rem);
  font-weight: 400; margin-bottom: 1.5rem; color: var(--black);
  letter-spacing: -0.01em;
  display: flex; align-items: center; gap: 1.5rem;
}
.catalog-section-title::after,
.catalog-section h2::after {
  content: '';
  flex: 1; height: 1px;
  background: var(--light-gray);
  min-width: 2rem;
}
body.birmin-mode .catalog-section-title::after,
body.birmin-mode .catalog-section h2::after { background: rgba(255,107,53,0.25); }
.catalog-section-desc {
  font-size: 0.875rem;
  font-weight: 300;
  color: #5a5550;
  line-height: 1.75;
  max-width: 520px;
  margin-bottom: 1.8rem;
  letter-spacing: 0.005em;
}
body.birmin-mode .catalog-section-desc {
  font-style: italic;
  color: var(--gray);
}

/* Coming soon section (e.g. Oficina) */
.catalog-coming-soon {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1.2rem;
  padding: 2.5rem;
  background: var(--warm-bg);
  border-radius: 8px;
  border: 1px dashed var(--light-gray);
}
.catalog-coming-soon p {
  font-family: var(--sans);
  font-size: 0.8rem;
  color: var(--gray);
  font-weight: 300;
  letter-spacing: 0.02em;
  margin: 0;
}
.catalog-cta-wa {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--black);
  border: 1.5px solid var(--black);
  padding: 0.7rem 1.4rem;
  border-radius: 4px;
  text-decoration: none;
  transition: background 0.2s, color 0.2s;
}
.catalog-cta-wa:hover { background: var(--black); color: var(--white); }

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.catalog-item {
  position: relative; overflow: hidden;
  border-radius: 4px; aspect-ratio: 4/3; cursor: pointer;
}
.catalog-item img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.6s ease;
}
.catalog-item:hover img { transform: scale(1.05); }
.catalog-item:hover { box-shadow: 0 8px 30px rgba(0,0,0,0.12); }
.catalog-number {
  position: absolute; bottom: 0.85rem; left: 1rem;
  font-family: var(--serif); font-size: 1.6rem;
  font-weight: 400; color: rgba(255,255,255,0.85);
  text-shadow: 0 2px 8px rgba(0,0,0,0.5);
  line-height: 1; pointer-events: none;
  z-index: 2;
  transition: color 0.35s ease, text-shadow 0.35s ease;
}
.catalog-item::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.55) 0%, rgba(0,0,0,0.1) 50%, rgba(0,0,0,0) 100%);
  z-index: 1; pointer-events: none;
  opacity: 0.6;
  transition: opacity 0.4s ease;
}
.catalog-item:hover::before { opacity: 1; }
.catalog-cta {
  position: absolute; bottom: 0; left: 0; right: 0;
  padding: 2.2rem 1rem 0.85rem;
  background: linear-gradient(to top, rgba(0,0,0,0.72) 0%, rgba(0,0,0,0) 100%);
  font-family: var(--sans); font-size: 0.6rem;
  font-weight: 500; letter-spacing: 0.08em;
  color: rgba(255,255,255,0.95); text-transform: uppercase;
  text-align: right;
  border: none; background-color: transparent;
  cursor: pointer; z-index: 3;
  opacity: 0; transform: translateY(6px);
  transition: opacity 0.35s ease, transform 0.35s ease;
  pointer-events: auto;
}
.catalog-item:hover .catalog-cta { opacity: 1; transform: translateY(0); }

/* Mobile: siempre visible */
@media (hover: none) {
  .catalog-cta {
    opacity: 1; transform: translateY(0);
    padding: 1.8rem 0.8rem 0.7rem;
    font-size: 0.55rem;
  }
}

/* LINE SELECTOR CARDS */
.line-selector { padding: 2rem 3rem 5rem; max-width: 1200px; margin: 0 auto; }
.line-cards {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 1.5rem; margin-top: 2rem;
}
.line-card {
  position: relative; overflow: hidden;
  border-radius: 6px; aspect-ratio: 16/10;
  cursor: pointer; display: block;
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}
.line-card:hover { transform: translateY(-4px); box-shadow: 0 12px 40px rgba(0,0,0,0.12); }
.line-card img {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.6s ease;
}
.line-card:hover img { transform: scale(1.03); }
.line-card-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.65) 0%, rgba(0,0,0,0.05) 60%);
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 2.5rem; z-index: 2;
}
.line-card-title {
  font-family: var(--serif); font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 400; color: #fff; margin-bottom: 0.5rem;
}
.line-card-sub {
  font-size: 0.85rem; font-weight: 300; color: rgba(255,255,255,0.85);
  line-height: 1.5; max-width: 320px;
}
.line-card-btn {
  display: inline-block; margin-top: 1rem;
  padding: 0.6rem 1.8rem;
  font-family: var(--sans); font-size: 0.7rem; font-weight: 500;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: #fff; background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.6);
  border-radius: 3px; backdrop-filter: blur(4px);
  transition: background 0.3s ease, border-color 0.3s ease;
}
.line-card:hover .line-card-btn {
  background: rgba(255,255,255,0.3); border-color: #fff;
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 900px) {
  nav { padding: 1.2rem 1.5rem; }
  nav.scrolled { padding: 0.8rem 1.5rem; }
  .breadcrumb { padding: 6rem 1.5rem 0; }
  .page-hero { padding: 1.5rem 1.5rem 3rem; }
  .section { padding: 3rem 1.5rem; }
  .cta-section { padding: 4rem 1.5rem; }
  .internal-links { padding: 3rem 1.5rem; }
  footer { padding: 3rem 1.5rem 1.5rem; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; text-align: center; }
  .footer-logo { margin: 0 auto 0.8rem; }
}

@media (max-width: 900px) {
  .catalog-grid { grid-template-columns: repeat(2, 1fr); }
  .line-cards { grid-template-columns: 1fr 1fr; gap: 1rem; }
  .catalog-section { padding: 3rem 1.5rem 1.5rem; }
  .line-selector { padding: 2rem 1.5rem 4rem; }
}

@media (max-width: 480px) {
  .nav-logo img { height: 28px; }
  .page-hero h1 { font-size: clamp(1.6rem, 6vw, 2.2rem); }
  .page-hero p { font-size: 0.95rem; }
  .portfolio-grid { grid-template-columns: 1fr 1fr; gap: 0.5rem; }
  .catalog-grid { grid-template-columns: 1fr; gap: 0.6rem; }
  .catalog-number { font-size: 1.2rem; bottom: 0.6rem; left: 0.7rem; }
  .line-cards { grid-template-columns: 1fr; }
  .line-card { aspect-ratio: 16/9; }
  .line-card-overlay { padding: 1.5rem; }
  .line-card-title { font-size: 1.4rem; }
  .services-grid { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: 1fr; }
  .whatsapp-float { bottom: 1.2rem; right: 1.2rem; width: 48px; height: 48px; }
  .whatsapp-float svg { width: 22px; height: 22px; }
}

/* ==================== ANTES / DESPUÉS SLIDER ==================== */
.catalog-antes-despues {
  padding: 4rem 0 4.5rem;
  background: var(--white);
  overflow: hidden;
}
.catalog-antes-despues .ad-label {
  font-family: var(--sans);
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--beige);
  text-align: center;
  margin-bottom: 1rem;
}
.catalog-antes-despues h2 {
  font-family: var(--serif);
  font-size: clamp(1.6rem, 3.5vw, 2.5rem);
  font-weight: 400;
  letter-spacing: -0.02em;
  text-align: center;
  color: var(--black);
  margin: 0 0 0.5rem;
}
.catalog-antes-despues .ad-subtitle {
  font-family: var(--sans);
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  color: #9a9088;
  text-align: center;
  margin-bottom: 2.5rem;
}
.ad-wrap {
  position: relative;
  max-width: 820px;
  margin: 0 auto;
  aspect-ratio: 16 / 10;
  border-radius: 3px;
  overflow: hidden;
  cursor: ew-resize;
  user-select: none;
  -webkit-user-select: none;
}
.ad-wrap .ad-img-base,
.ad-wrap .ad-img-overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 60%;
  display: block;
}
.ad-wrap .ad-img-base  { z-index: 1; }
.ad-wrap .ad-img-overlay {
  z-index: 2;
  clip-path: inset(0 50% 0 0);
  transition: clip-path 0.02s linear;
}
.ad-wrap .ad-divider {
  position: absolute;
  top: 0; left: 50%;
  width: 2px; height: 100%;
  background: rgba(255,255,255,0.88);
  z-index: 4;
  transform: translateX(-50%);
  pointer-events: none;
  box-shadow: 0 0 14px rgba(0,0,0,0.22);
}
.ad-wrap .ad-handle {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 44px; height: 44px;
  border-radius: 50%;
  background: white;
  border: none;
  box-shadow: 0 3px 18px rgba(0,0,0,0.26);
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  color: var(--black);
  cursor: ew-resize;
  pointer-events: none;
}
.ad-wrap .ad-badge {
  position: absolute;
  bottom: 1rem;
  font-family: var(--sans);
  font-size: 0.54rem;
  font-weight: 500;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.92);
  padding: 0.28rem 0.7rem;
  background: rgba(0,0,0,0.4);
  border-radius: 2px;
  z-index: 6;
  pointer-events: none;
}
.ad-wrap .ad-badge-before { left: 1rem; }
.ad-wrap .ad-badge-after  { right: 1rem; }

@media (max-width: 768px) {
  .catalog-antes-despues { padding: 3rem 0; }
  .ad-wrap { max-width: 100%; border-radius: 0; }
  .ad-wrap .ad-handle { width: 38px; height: 38px; font-size: 0.65rem; }
}


/* ==================== CATALOG FILTERS ==================== */
.catalog-filters {
  display: flex; align-items: center; gap: 0.5rem;
  flex-wrap: wrap;
  padding: 1.8rem 3rem;
  background: var(--cream);
  background-color: #F5F2EE; /* fallback: solid, never transparent */
  border-bottom: 1px solid rgba(26,26,26,0.10);
  box-shadow: 0 2px 10px rgba(0,0,0,0.07);
  position: sticky; top: 60px; z-index: 50;
}
.cf-btn {
  font-family: var(--sans); font-size: 0.62rem;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: #8a8078; background: transparent;
  border: 1px solid rgba(26,26,26,0.15);
  padding: 0.45rem 1.1rem; border-radius: 100px;
  cursor: pointer;
  transition: all 0.22s ease;
}
.cf-btn:hover { border-color: #8a7a6a; color: #5a5550; }
.cf-btn.active {
  background: #1a1a1a; border-color: #1a1a1a;
  color: white;
}
.catalog-section {
  transition: opacity 0.35s ease, transform 0.35s ease, max-height 0.45s ease;
  scroll-margin-top: 130px;
}
.catalog-section.cf-hidden {
  display: none;
}
@media (max-width: 768px) {
  .catalog-filters { padding: 1.2rem 1.5rem; gap: 0.4rem; top: 54px; }
  .cf-btn { font-size: 0.58rem; padding: 0.4rem 0.9rem; }
}


/* ==================== READING PROGRESS BAR ==================== */
.reading-progress {
  position: fixed;
  top: 0; left: 0;
  z-index: 10000;
  height: 2px;
  width: 0%;
  background: linear-gradient(to right, #c8b89a, #a09080);
  pointer-events: none;
  transition: width 0.08s linear;
}


/* ==================== CATALOG PROCESS STRIP ==================== */
.catalog-process {
  display: flex; align-items: center; justify-content: center;
  flex-wrap: wrap; gap: 0;
  padding: 1.1rem 3rem;
  background: #1a1a1a;
}
.catalog-process-step {
  display: flex; flex-direction: column; align-items: center;
  gap: 0.25rem; padding: 0.5rem 1.6rem; text-align: center;
}
.cp-num {
  font-family: var(--serif); font-size: 0.85rem; font-weight: 400;
  color: rgba(255,255,255,0.28); line-height: 1;
}
.cp-text {
  font-family: var(--sans); font-size: 0.6rem; font-weight: 300;
  letter-spacing: 0.07em; color: rgba(255,255,255,0.78); line-height: 1.4;
}
.cp-arrow {
  font-size: 1rem; color: rgba(255,255,255,0.18); align-self: center;
  padding: 0 0.3rem;
}
/* CATALOG SECTION CTA (per-section, injected by JS) */
.catalog-section-cta {
  display: inline-flex; align-items: center; gap: 0.4rem;
  margin-top: 1.8rem;
  font-family: var(--sans); font-size: 0.62rem;
  font-weight: 500; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--black); text-decoration: none;
  border-bottom: 1px solid rgba(26,26,26,0.3); padding-bottom: 3px;
  transition: opacity 0.25s ease, border-color 0.25s ease;
}
.catalog-section-cta:hover { opacity: 0.55; border-color: transparent; }
body.birmin-mode .catalog-section-cta { color: var(--orange); border-color: rgba(255,107,53,0.3); }
@media (max-width: 768px) {
  .catalog-process { padding: 0.9rem 1.5rem; }
  .catalog-process-step { padding: 0.4rem 0.9rem; }
  .cp-text { font-size: 0.57rem; }
  .catalog-section-cta { font-size: 0.6rem; }
}

/* ==================== LOOKBOOK CATALOG ==================== */
.catalog-lookbook { max-width: 100%; }
.catalog-lookbook .catalog-section {
  padding: 0;
  max-width: 100%;
  border-top: 1px solid rgba(26,26,26,0.06);
  margin-top: 0;
}
.catalog-lookbook .catalog-section + .catalog-section { padding-top: 0; }
.catalog-lookbook .catalog-section h2 {
  font-family: var(--sans);
  font-size: 0.58rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gray);
  padding: 1.8rem 3rem 0.8rem;
  margin: 0;
  font-weight: 400;
}
.catalog-lookbook .catalog-section h2::after { display: none; }
.catalog-lookbook .catalog-section-desc { display: none; }
.catalog-lookbook .catalog-style-tags { display: none; }
.catalog-lookbook .catalog-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.4rem;
  padding: 0 3rem 0;
}
.catalog-lookbook .catalog-item {
  border-radius: 2px;
  aspect-ratio: 4/3;
}
.catalog-lookbook .catalog-item:first-child {
  grid-column: 1 / -1;
  aspect-ratio: 16/9;
}
.catalog-lookbook .catalog-section-cta {
  display: block;
  margin: 1rem 3rem 2rem;
}
@media (max-width: 768px) {
  .catalog-lookbook .catalog-section h2 { padding: 1.5rem 1.5rem 0.6rem; }
  .catalog-lookbook .catalog-grid {
    grid-template-columns: 1fr;
    gap: 0.4rem;
    padding: 0 1.5rem;
  }
  .catalog-lookbook .catalog-item:first-child { aspect-ratio: 4/3; }
  .catalog-lookbook .catalog-section-cta { margin: 1rem 1.5rem 1.8rem; }
}

/* ==================== SKETCH → RENDER SLIDER ==================== */
.sketch-render-slider {
  padding: 0 3rem 1.5rem;
}
.srs-label {
  font-family: var(--sans);
  font-size: 0.56rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #9a9088;
  margin: 0 0 0.9rem;
  display: block;
}
.srs-ad-wrap {
  max-width: 100%;
  max-height: 360px;
  overflow: hidden;
  border-radius: 6px;
}
.srs-ad-wrap .ad-img-base {
  object-position: center top;    /* muestra el RENDER (mitad superior de la imagen) */
}
.srs-ad-wrap .ad-img-overlay {
  object-position: center bottom; /* muestra el BOCETO (mitad inferior de la imagen) */
}
@media (max-width: 768px) {
  .sketch-render-slider { padding: 0 1.5rem 1.2rem; }
}

/* Sliders: drag only, no expand */
.ad-wrap { cursor: ew-resize; }

/* ==================== CATALOG FILTER PLACEHOLDER ==================== */
.cf-placeholder {
  width: 100%;
  padding: 0.5rem 0;
  font-family: var(--sans);
  font-size: 0.7rem;
  font-weight: 300;
  letter-spacing: 0.06em;
  color: var(--gray);
  text-align: center;
}

/* ==================== HAMBURGER FREE BADGE ==================== */
.hamburger-badge {
  display: inline-block;
  font-family: var(--sans);
  font-size: 0.44rem;
  letter-spacing: 0.12em;
  font-weight: 500;
  background: #1a1a1a;
  color: #fafaf8;
  padding: 0.18rem 0.5rem;
  border-radius: 2px;
  vertical-align: middle;
  flex-shrink: 0;
}

/* ==================== ANTES/DESPUÉS COMPOSITE ====================
   La imagen fuente tiene: render/terminado arriba, boceto/antes abajo */
.ad-wrap--composite .ad-img-base    { object-position: center bottom; } /* muestra DESPUÉS */
.ad-wrap--composite .ad-img-overlay { object-position: center top; }    /* muestra ANTES   */

/* ==================== SLIDER INLINE DENTRO DEL CATALOG GRID ==================== */
.catalog-lookbook .catalog-item--slider {
  grid-column: 1 / -1;   /* siempre ocupa todo el ancho */
  aspect-ratio: 16 / 9;
  position: relative;
  border-radius: 2px;
  overflow: hidden;
}
.catalog-item--slider .ad-wrap {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: none;
  margin: 0;
  aspect-ratio: unset;
  border-radius: 0;
}
@media (max-width: 768px) {
  .catalog-lookbook .catalog-item--slider { aspect-ratio: 4/3; }
}

/* ==================== BACK LINK (house/birmin catalog footer) ==================== */
.back-link {
  padding: 2rem 3rem;
  border-top: 1px solid var(--light-gray);
}
.back-link a {
  font-family: var(--sans);
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray);
  text-decoration: none;
  transition: color 0.2s ease;
}
.back-link a:hover { color: var(--black); }
@media (max-width: 768px) {
  .back-link { padding: 1.5rem; }
}

/* ==================== IA DESIGNER — HERO SPLIT ==================== */
.ia-section {
  background: var(--white);
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  padding-top: 0;
  position: relative;
  overflow: hidden;
}

/* ── Hero animated orbs ── */
.ia-orb {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  will-change: transform;
  z-index: 0;
}
.ia-orb-1 {
  width: 720px; height: 720px;
  background: radial-gradient(circle, rgba(27,40,64,0.11) 0%, transparent 68%);
  top: -220px; left: -180px;
  animation: orbDrift1 30s ease-in-out infinite alternate;
}
.ia-orb-2 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(142,13,30,0.10) 0%, transparent 68%);
  bottom: -80px; right: -120px;
  animation: orbDrift2 24s ease-in-out infinite alternate;
}
.ia-orb-3 {
  width: 520px; height: 520px;
  background: radial-gradient(circle, rgba(196,120,104,0.09) 0%, transparent 68%);
  top: 45%; left: 28%;
  animation: orbDrift3 20s ease-in-out infinite alternate;
}
.ia-orb-4 {
  width: 380px; height: 380px;
  background: radial-gradient(circle, rgba(142,13,30,0.07) 0%, transparent 68%);
  top: 5%; right: 22%;
  animation: orbDrift4 26s ease-in-out infinite alternate;
}

@keyframes orbDrift1 {
  0%   { transform: translate(0,0) scale(1); }
  100% { transform: translate(110px, 90px) scale(1.14); }
}
@keyframes orbDrift2 {
  0%   { transform: translate(0,0) scale(1); }
  100% { transform: translate(-100px, -70px) scale(1.12); }
}
@keyframes orbDrift3 {
  0%   { transform: translate(0,0) scale(1); }
  100% { transform: translate(70px, -90px) scale(1.18); }
}
@keyframes orbDrift4 {
  0%   { transform: translate(0,0) scale(1); }
  100% { transform: translate(-80px, 110px) scale(0.88); }
}

.ia-left {
  padding: 8rem 3rem 8rem 5vw;
  display: flex;
  flex-direction: column;
  position: relative;
  z-index: 1;
}
.ia-eyebrow {
  font-family: var(--sans);
  font-size: 0.52rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 1.8rem;
  display: block;
}
.ia-hero-title {
  font-family: var(--serif);
  font-size: clamp(2.8rem, 5vw, 4.8rem);
  font-weight: 400;
  color: var(--black);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0 0 1.8rem;
}
.ia-hero-desc {
  font-family: var(--sans);
  font-size: 0.88rem;
  font-weight: 300;
  color: var(--gray);
  line-height: 1.75;
  max-width: 360px;
  margin: 0 0 2.5rem;
}
.ia-hero-ctas {
  display: flex;
  gap: 0.8rem;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 1.2rem;
}
.btn-primary-dark {
  display: inline-flex;
  align-items: center;
  padding: 0.95rem 2rem;
  background: var(--grad);
  color: var(--white);
  font-family: var(--sans);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: none;
  border-radius: 3px;
  cursor: pointer;
  text-decoration: none;
  transition: opacity 0.22s ease, transform 0.2s ease;
}
.btn-primary-dark:hover { opacity: 0.88; transform: translateY(-1px); }
.btn-primary-dark.btn-lg { padding: 1.1rem 3rem; font-size: 0.73rem; border-radius: 4px; }
.btn-ghost {
  display: inline-flex;
  align-items: center;
  padding: 0.95rem 1.8rem;
  background: transparent;
  color: var(--black);
  font-family: var(--sans);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1px solid var(--light-gray);
  border-radius: 3px;
  cursor: pointer;
  text-decoration: none;
  transition: border-color 0.22s ease;
}
.btn-ghost:hover { border-color: var(--black); }
.btn-ghost-sm {
  display: inline-flex;
  align-items: center;
  padding: 0.6rem 1.2rem;
  background: transparent;
  color: var(--black);
  font-family: var(--sans);
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1px solid var(--light-gray);
  border-radius: 3px;
  cursor: pointer;
  text-decoration: none;
  transition: border-color 0.22s ease;
  white-space: nowrap;
}
.btn-ghost-sm:hover { border-color: var(--black); }
.ia-hero-note {
  font-family: var(--sans);
  font-size: 0.58rem;
  letter-spacing: 0.06em;
  color: var(--gray);
}
/* RIGHT: tool panel */
.ia-right {
  background: transparent;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 5rem 4vw;
  gap: 1.4rem;
  position: relative;
  z-index: 1;
}
.ia-catalog-link-wrap {
  width: 100%;
  max-width: 440px;
  text-align: center;
}
.ia-catalog-link {
  font-family: var(--sans);
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray);
  text-decoration: none;
  border-bottom: 1px solid rgba(107,107,107,0.35);
  padding-bottom: 2px;
  transition: color 0.2s ease, border-color 0.2s ease;
}
.ia-catalog-link:hover {
  color: var(--black);
  border-color: var(--black);
}
.ia-tool-card {
  width: 100%;
  max-width: 440px;
  background: var(--white);
  border-radius: 14px;
  padding: 1.8rem;
  border: 1px solid var(--light-gray);
  box-shadow: 0 12px 56px rgba(26,26,26,0.10), 0 2px 8px rgba(26,26,26,0.04);
}
/* Room type selector */
.ia-room-selector {
  margin: 1rem 0 0;
}
.ia-room-label {
  font-family: var(--sans);
  font-size: 0.58rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 0.55rem;
}
.ia-room-chips {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.4rem;
}
.ia-room-chip {
  padding: 0.5rem 0.4rem;
  border: 1.5px solid var(--light-gray);
  border-radius: 6px;
  background: transparent;
  cursor: pointer;
  font-family: var(--sans);
  font-size: 0.58rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--gray);
  transition: all 0.18s ease;
  text-align: center;
  white-space: nowrap;
}
.ia-room-chip:hover { border-color: rgba(142,13,30,0.4); color: var(--black); background: var(--grad-light); }
.ia-room-chip.active {
  background: var(--grad);
  border-color: transparent;
  color: var(--white);
  font-weight: 600;
}
/* Line cards */
.ia-line-pills {
  display: flex;
  gap: 0.5rem;
  margin: 1rem 0;
}
.ia-line-pill {
  flex: 1;
  padding: 0.75rem 0.85rem;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.15rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  text-align: left;
}
/* House — clean, neutral, classic */
.ia-line-pill[data-line="house"] {
  background: #F7F5F1;
  border: 1.5px solid #CEC9C2;
}
.ia-line-pill[data-line="house"]:hover {
  border-color: #A89E93;
  box-shadow: 0 2px 10px rgba(44,36,32,0.08);
}
.ia-line-pill[data-line="house"].active {
  background: linear-gradient(#F7F5F1, #F7F5F1) padding-box, var(--grad) border-box;
  border: 1.5px solid transparent;
  box-shadow: 0 2px 16px rgba(142,13,30,0.12);
}
/* Birmin — warm, colorful, bold */
.ia-line-pill[data-line="birmin"] {
  background: #FDF3EE;
  border: 1.5px solid rgba(193,100,60,0.45);
}
.ia-line-pill[data-line="birmin"]:hover {
  border-color: rgba(193,100,60,0.75);
  box-shadow: 0 2px 12px rgba(193,100,60,0.14);
}
.ia-line-pill[data-line="birmin"].active {
  background: linear-gradient(#FDF3EE, #FDF3EE) padding-box, var(--grad) border-box;
  border: 1.5px solid transparent;
  box-shadow: 0 3px 18px rgba(142,13,30,0.15);
}
.ia-pill-swatches {
  display: flex;
  gap: 3px;
  margin-bottom: 0.35rem;
}
.ia-pill-swatches span {
  width: 10px; height: 10px;
  border-radius: 50%;
  display: block;
}
.ia-pill-name {
  font-family: var(--serif);
  font-size: 1rem;
  font-weight: 400;
  color: var(--black);
  display: block;
  line-height: 1.1;
}
.ia-line-pill.active .ia-pill-name {
  background: var(--grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.ia-pill-sub {
  font-family: var(--sans);
  font-size: 0.55rem;
  letter-spacing: 0.08em;
  color: var(--gray);
  text-transform: uppercase;
  display: block;
}
/* Birmin sub label: warm accent when active */
.ia-line-pill[data-line="birmin"] .ia-pill-sub { color: rgba(193,100,60,0.75); }
/* Inline error */
.ia-error {
  font-family: var(--sans);
  font-size: 0.68rem;
  color: #C0392B;
  margin-top: 0.75rem;
  text-align: center;
  padding: 0.6rem 0.8rem;
  background: #FFF0EE;
  border-radius: 4px;
}
/* Stats bar */
.ia-stats {
  display: flex;
  align-items: stretch;
  border-top: 1px solid var(--light-gray);
  border-bottom: 1px solid var(--light-gray);
  background: var(--white);
}
.ia-stat {
  flex: 1;
  text-align: center;
  padding: 2rem 1rem;
  border-right: 1px solid var(--light-gray);
}
.ia-stat:last-child { border-right: none; }
.ia-stat strong {
  display: block;
  font-family: var(--serif);
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  font-weight: 400;
  color: var(--black);
  line-height: 1;
  margin-bottom: 0.5rem;
}
.ia-stat span {
  font-family: var(--sans);
  font-size: 0.55rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray);
}
/* How it works */
.ia-how { padding: 7rem 5vw; background: var(--warm-bg); }
.ia-how-inner { max-width: 1000px; margin: 0 auto; }
.ia-section-eyebrow {
  font-family: var(--sans);
  font-size: 0.52rem;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 0.8rem;
  display: block;
}
.ia-section-title {
  font-family: var(--serif);
  font-size: clamp(1.8rem, 3.5vw, 3rem);
  font-weight: 400;
  color: var(--black);
  letter-spacing: -0.01em;
  margin: 0 0 4rem;
  line-height: 1.1;
}
.ia-section-sub {
  font-family: var(--sans);
  font-size: 0.82rem;
  font-weight: 300;
  color: var(--gray);
  line-height: 1.7;
  margin: -2.5rem auto 4rem;
  max-width: 480px;
  text-align: center;
}
.ia-how-steps { display: grid; grid-template-columns: repeat(3,1fr); gap: 3rem; }
.ia-how-step { display: flex; flex-direction: column; gap: 0.8rem; }
.ia-step-num {
  font-family: var(--serif);
  font-size: 3rem;
  font-weight: 400;
  color: var(--light-gray);
  line-height: 1;
  letter-spacing: -0.02em;
}
.ia-how-step h3 {
  font-family: var(--serif);
  font-size: 1.15rem;
  font-weight: 400;
  color: var(--black);
  margin: 0;
}
.ia-how-step p {
  font-family: var(--sans);
  font-size: 0.78rem;
  font-weight: 300;
  color: var(--gray);
  line-height: 1.75;
  margin: 0;
}
/* Ambientes */
.ia-ambientes { padding: 7rem 5vw; background: var(--white); }
.ia-ambientes-inner { max-width: 1100px; margin: 0 auto; }
.ia-ambientes-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 2rem;
  gap: 1rem;
  flex-wrap: wrap;
}
.ia-ambientes-header h2 {
  font-family: var(--serif);
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 400;
  color: var(--black);
  letter-spacing: -0.01em;
  margin: 0 0 0.3rem;
}
.ia-ambientes-header p {
  font-family: var(--sans);
  font-size: 0.75rem;
  color: var(--gray);
  font-weight: 300;
  margin: 0;
}
.ia-ambientes-grid {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  border: 1px solid var(--light-gray);
  border-radius: 8px;
  overflow: hidden;
}
.ia-ambiente-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 1.6rem;
  background: var(--white);
  border-right: 1px solid var(--light-gray);
  border-bottom: 1px solid var(--light-gray);
  text-decoration: none;
  transition: background 0.2s ease;
}
.ia-ambiente-card:nth-child(3n) { border-right: none; }
.ia-ambiente-card:nth-last-child(-n+3) { border-bottom: none; }
.ia-ambiente-card:hover { background: var(--warm-bg); }
.ia-ambiente-card--dark { background: var(--black); }
.ia-ambiente-card--dark .ia-ambiente-name,
.ia-ambiente-card--dark .ia-ambiente-sub,
.ia-ambiente-card--dark .ia-ambiente-arrow { color: var(--white); }
.ia-ambiente-card--dark:hover { background: #222; }
.ia-ambiente-info { display: flex; flex-direction: column; gap: 0.25rem; }
.ia-ambiente-name {
  font-family: var(--serif);
  font-size: 1rem;
  font-weight: 400;
  color: var(--black);
}
.ia-ambiente-sub {
  font-family: var(--sans);
  font-size: 0.6rem;
  color: var(--gray);
  letter-spacing: 0.04em;
}
.ia-ambiente-arrow {
  font-size: 1rem;
  color: var(--gray);
  transition: transform 0.2s ease;
}
.ia-ambiente-card:hover .ia-ambiente-arrow { transform: translateX(4px); }
/* Pricing */
.ia-pricing { padding: 7rem 5vw; background: var(--warm-bg); text-align: center; }
.ia-pricing-inner { max-width: 740px; margin: 0 auto; }
.ia-pricing-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
  margin: 3.5rem 0 2rem;
  text-align: left;
}
.ia-price-card {
  background: var(--white);
  border-radius: 10px;
  padding: 2rem;
  border: 1px solid var(--light-gray);
  display: flex;
  flex-direction: column;
}
.ia-price-card--featured { background: var(--black); border-color: var(--black); }
.ia-price-badge {
  font-family: var(--sans);
  font-size: 0.5rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: 0.6rem;
  background: var(--grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.ia-price-tier {
  font-family: var(--serif);
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--black);
  margin: 0 0 0.2rem;
}
.ia-price-card--featured .ia-price-tier { color: var(--white); }
.ia-price-desc {
  font-family: var(--sans);
  font-size: 0.7rem;
  color: var(--gray);
  font-weight: 300;
  margin: 0 0 1.2rem;
}
.ia-price-card--featured .ia-price-desc { color: rgba(255,255,255,0.5); }
.ia-price-amount {
  font-family: var(--serif);
  font-size: 2.6rem;
  font-weight: 400;
  color: var(--black);
  line-height: 1;
  margin: 0 0 1.2rem;
  letter-spacing: -0.02em;
}
.ia-price-amount span {
  font-family: var(--sans);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--gray);
  vertical-align: middle;
}
.ia-price-card--featured .ia-price-amount { color: var(--white); }
.ia-price-features {
  list-style: none;
  padding: 0;
  margin: 0 0 1.8rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  flex: 1;
}
.ia-price-features li {
  font-family: var(--sans);
  font-size: 0.73rem;
  font-weight: 300;
  color: var(--gray);
  padding-left: 1.2rem;
  position: relative;
}
.ia-price-features li::before { content: '✓'; position: absolute; left: 0; color: var(--black); font-weight: 600; }
.ia-price-card--featured .ia-price-features li { color: rgba(255,255,255,0.7); }
/* ── Overrides for dark featured card ── */
.ia-price-card--featured .ia-price-badge {
  background: none;
  -webkit-text-fill-color: rgba(255,255,255,0.5);
  color: rgba(255,255,255,0.5);
}
.ia-price-card--featured .ia-price-features li::before {
  background: none;
  -webkit-text-fill-color: #E07840;
  color: #E07840;
}
/* White outline button with gradient border on dark card */
.ia-price-card--featured .btn-primary-dark {
  background: linear-gradient(var(--white), var(--white)) padding-box,
              var(--grad) border-box;
  border: 1.5px solid transparent;
  color: var(--black);
}
.ia-price-card--featured .btn-primary-dark:hover {
  opacity: 1;
  background: linear-gradient(rgba(255,255,255,0.88), rgba(255,255,255,0.88)) padding-box,
              var(--grad) border-box;
  transform: translateY(-1px);
}
.ia-price-cta-ghost {
  width: 100%;
  padding: 0.85rem;
  background: transparent;
  border: 1px solid var(--light-gray);
  border-radius: 5px;
  font-family: var(--sans);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--black);
  cursor: pointer;
  transition: border-color 0.2s ease;
}
.ia-price-cta-ghost:hover { border-color: var(--black); }
.ia-price-cta-dark {
  width: 100%;
  padding: 0.85rem;
  background: var(--white);
  border: none;
  border-radius: 5px;
  font-family: var(--sans);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--black);
  cursor: pointer;
  font-weight: 600;
  transition: opacity 0.2s ease;
}
.ia-price-cta-dark:hover { opacity: 0.85; }
.ia-price-cta-dark:disabled { opacity: 0.5; cursor: not-allowed; }
.ia-pricing-note {
  font-family: var(--sans);
  font-size: 0.7rem;
  color: var(--gray);
  font-weight: 300;
}
.ia-pricing-note a {
  color: var(--black);
  text-decoration: none;
  border-bottom: 1px solid var(--light-gray);
  transition: border-color 0.2s ease;
  margin-left: 0.3rem;
}
.ia-pricing-note a:hover { border-color: var(--black); }
/* Final CTA */
.ia-final-cta {
  padding: 5rem 5vw 5.5rem;
  background: var(--cream, #F5F2EE);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  border-top: 1px solid var(--light-gray);
}
.ia-final-cta--light .ia-final-desc {
  font-family: var(--sans);
  font-size: 0.8rem;
  font-weight: 300;
  color: var(--gray);
  margin: 0;
  line-height: 1.7;
  letter-spacing: 0.01em;
}
.ia-final-plan-btn {
  margin-top: 0.25rem;
}
/* Upload area */
.ia-upload-area {
  border: 2px dashed rgba(142,13,30,0.28);
  border-radius: 10px;
  background: var(--grad-light);
  min-height: 190px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: border-color 0.25s ease, background 0.25s ease, box-shadow 0.25s ease;
  position: relative;
  overflow: hidden;
  margin-bottom: 1.2rem;
}
.ia-upload-area:hover,
.ia-upload-area.drag-over {
  border-color: var(--grad-border);
  background: linear-gradient(135deg, rgba(27,40,64,0.13) 0%, rgba(142,13,30,0.15) 52%, rgba(196,120,104,0.12) 100%);
  box-shadow: 0 0 0 4px rgba(142,13,30,0.08);
}
.ia-upload-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.45rem;
  padding: 1.8rem 1.5rem;
  text-align: center;
  width: 100%;
}
.ia-upload-icon {
  width: 52px; height: 52px;
  background: var(--grad);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 0.5rem;
  color: var(--white);
}
.ia-upload-placeholder p {
  font-family: var(--sans);
  font-size: 0.80rem;
  font-weight: 500;
  color: var(--black);
}
.ia-upload-placeholder small {
  font-family: var(--sans);
  font-size: 0.60rem;
  color: var(--gray);
}
/* Mobile action buttons inside upload placeholder */
.ia-upload-mobile-btns {
  display: none;
  gap: 0.5rem;
  margin-top: 0.6rem;
  width: 100%;
  max-width: 240px;
}
.ia-mob-btn {
  flex: 1;
  padding: 0.65rem 0.5rem;
  background: var(--white);
  border: 1.5px solid var(--beige);
  border-radius: 8px;
  font-family: var(--sans);
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--black);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  gap: 0.3rem;
  transition: border-color 0.2s, background 0.2s;
}
.ia-mob-btn:hover { border-color: var(--black); background: var(--cream); }
.ia-upload-desktop-hint { display: block; }
@media (max-width: 768px) {
  .ia-upload-desktop-hint { display: none; }
  .ia-upload-mobile-btns { display: flex; }
  .ia-upload-area { cursor: default; }
}
.ia-preview-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  max-height: 340px;
}
.ia-upload-change {
  position: absolute;
  bottom: 0.75rem;
  right: 0.75rem;
  font-family: var(--sans);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--white);
  background: rgba(26,26,26,0.55);
  border: none;
  border-radius: 2px;
  padding: 0.35rem 0.7rem;
  cursor: pointer;
  backdrop-filter: blur(4px);
  transition: background 0.2s ease;
}
.ia-upload-change:hover { background: rgba(26,26,26,0.8); }
/* Generate button */
.ia-generate-btn {
  display: inline-block;
  padding: 0.95rem 3.5rem;
  font-family: var(--sans);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--white);
  background: var(--grad);
  background-size: 200% 200%;
  border: none;
  border-radius: 3px;
  cursor: pointer;
  transition: opacity 0.25s ease, transform 0.2s ease;
  margin-bottom: 1.5rem;
}
.ia-generate-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}
.ia-generate-btn:not(:disabled):hover {
  opacity: 0.88;
  transform: translateY(-1px);
}
/* Loading */
.ia-loading {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.8rem;
}
.ia-loading p {
  font-family: var(--sans);
  font-size: 0.82rem;
  color: var(--black);
}
.ia-loading small {
  font-family: var(--sans);
  font-size: 0.65rem;
  color: var(--gray);
}
.ia-loading-spinner {
  width: 32px;
  height: 32px;
  border: 2px solid var(--light-gray);
  border-top-color: var(--black);
  border-radius: 50%;
  animation: iaSpinnerRotate 0.85s linear infinite;
}
@keyframes iaSpinnerRotate {
  to { transform: rotate(360deg); }
}
/* Result */
.ia-result {
  margin-top: 1rem;
  text-align: left;
}
.ia-result-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.8rem;
}
.ia-result-card {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.ia-result-label {
  font-family: var(--sans);
  font-size: 0.55rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gray);
}
.ia-result-card--generated .ia-result-label {
  color: var(--black);
  font-weight: 500;
}
.ia-result-card img {
  width: 100%;
  aspect-ratio: 1/1;
  object-fit: cover;
  border-radius: 4px;
  display: block;
}
/* Result presupuesto CTA block */
.ia-result-cta-block {
  margin-top: 1.4rem;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  text-align: center;
}
.ia-result-pitch {
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 300;
  color: var(--gray);
  line-height: 1.6;
  margin: 0;
}
.ia-cta-presupuesto {
  display: block;
  width: 100%;
  padding: 1rem 1.5rem;
  background: var(--black);
  color: var(--white);
  font-family: var(--sans);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: 4px;
  transition: background 0.2s ease;
  text-align: center;
}
.ia-cta-presupuesto:hover { background: #333; }
.ia-cta-retry {
  font-family: var(--sans);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gray);
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0.4rem 0;
  transition: color 0.2s ease;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.ia-cta-retry:hover { color: var(--black); }
/* Final CTA WhatsApp link */
.ia-final-wa {
  font-family: var(--sans);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  border-bottom: 1px solid rgba(255,255,255,0.3);
  padding-bottom: 2px;
  transition: color 0.2s ease, border-color 0.2s ease;
}
.ia-final-wa:hover { color: var(--white); border-color: var(--white); }
.ia-result-actions {
  display: flex;
  gap: 1rem;
  align-items: center;
  flex-wrap: wrap;
  justify-content: center;
  padding-top: 0.5rem;
}
.ia-cta-designer {
  display: inline-block;
  padding: 0.85rem 2.2rem;
  font-family: var(--sans);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--white);
  background: #25D366;
  border-radius: 3px;
  text-decoration: none;
  transition: background 0.2s ease;
}
.ia-cta-designer:hover { background: #1dba57; }
.ia-cta-more {
  font-family: var(--sans);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--black);
  background: transparent;
  border: 1px solid var(--black);
  border-radius: 3px;
  padding: 0.85rem 2.2rem;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
}
.ia-cta-more:hover { background: var(--black); color: var(--white); }
/* Paywall */
.ia-paywall {
  margin-top: 1rem;
  padding: 2.5rem 2rem;
  background: var(--white);
  border-radius: 6px;
  border: 1px solid var(--light-gray);
  text-align: center;
}
.ia-paywall-icon {
  display: block;
  font-size: 1.5rem;
  margin-bottom: 0.8rem;
  color: var(--gray);
}
.ia-paywall h3 {
  font-family: var(--serif);
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--black);
  margin: 0 0 0.75rem;
}
.ia-paywall p {
  font-family: var(--sans);
  font-size: 0.8rem;
  font-weight: 300;
  color: var(--gray);
  line-height: 1.7;
  max-width: 380px;
  margin: 0 auto 2rem;
}
.ia-paywall-actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}
.ia-buy-btn {
  display: inline-block;
  padding: 0.95rem 3rem;
  font-family: var(--sans);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--white);
  background: var(--grad);
  border: none;
  border-radius: 3px;
  cursor: pointer;
  transition: opacity 0.25s ease, transform 0.2s ease;
}
.ia-buy-btn:hover { opacity: 0.88; transform: translateY(-1px); }
.ia-buy-btn:disabled { opacity: 0.5; cursor: not-allowed; }
.ia-designer-link {
  font-family: var(--sans);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--gray);
  text-decoration: none;
  border-bottom: 1px solid var(--light-gray);
  transition: color 0.2s ease, border-color 0.2s ease;
}
.ia-designer-link:hover { color: var(--black); border-color: var(--black); }
.ia-paywall-wa {
  font-family: var(--sans);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--gray);
  text-decoration: none;
  border-bottom: 1px solid var(--light-gray);
  transition: color 0.2s ease, border-color 0.2s ease;
  display: inline-block;
}
.ia-paywall-wa:hover { color: var(--black); border-color: var(--black); }
/* Catalog separator */
.ia-catalog-sep {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--light-gray);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}
.ia-catalog-sep span {
  font-family: var(--sans);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray);
}
.ia-catalog-link {
  font-family: var(--sans);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--black);
  text-decoration: none;
  border-bottom: 1px solid var(--black);
  padding-bottom: 2px;
  transition: opacity 0.2s ease;
}
.ia-catalog-link:hover { opacity: 0.55; }
/* Credits label */
.ia-credits-label {
  font-family: var(--sans);
  font-size: 0.62rem;
  color: var(--gray);
  letter-spacing: 0.06em;
  margin-top: 0.75rem;
  text-align: center;
  min-height: 1em;
}
/* Utility */
.hidden { display: none !important; }
/* Responsive — IA section */
@media (max-width: 900px) {
  .ia-section { grid-template-columns: 1fr; min-height: auto; align-items: flex-start; }
  .ia-left { padding: calc(80px + 2rem) 5vw 1.5rem; }
  .ia-right { min-height: auto; padding: 0 5vw 3rem; }
  .ia-launcher-title { display: none; }
  .ia-hero-title { font-size: clamp(2rem, 9vw, 3.2rem); margin-bottom: 1.2rem; }
  .ia-hero-desc { font-size: 0.82rem; margin-bottom: 1.5rem; }
  .ia-hero-note { font-size: 0.55rem; }
  .ia-how-steps { grid-template-columns: 1fr; gap: 2rem; }
  .ia-ambientes-grid { grid-template-columns: 1fr 1fr; }
  .ia-pricing-cards { grid-template-columns: 1fr; }
  .ia-ambientes-header { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 640px) {
  .ia-left { padding: calc(80px + 1.8rem) 1.25rem 0.75rem; }
  .ia-right { padding: 0.25rem 1.25rem 2.5rem; }
  .ia-hero-title { font-size: clamp(1.9rem, 10vw, 2.8rem); line-height: 1.08; margin-bottom: 1rem; }
  .ia-hero-desc { margin-bottom: 1.2rem; }
  .ia-tool-card { padding: 1.25rem; border-radius: 10px; }
  .ia-result-grid { grid-template-columns: 1fr; }
  .ia-result-actions { flex-direction: column; }
  .ia-cta-designer, .ia-cta-more { width: 100%; text-align: center; }
  .ia-ambientes-grid { grid-template-columns: 1fr; }
  .ia-ambiente-card { border-right: none !important; }
  .ia-line-pills { flex-direction: row; }
  .ia-pill-name { font-size: 0.88rem; }
  .ia-final-cta { padding: 4rem 1.25rem; }
  .ia-how { padding: 3.5rem 1.25rem; }
  .ia-ambientes { padding: 3.5rem 1.25rem; }
  .ia-pricing { padding: 3.5rem 1.25rem; }
  .ia-upload-area { min-height: 160px; }
  .ia-room-chips { grid-template-columns: repeat(3, 1fr); }
  .ia-generate-btn { width: 100%; }
  .ia-catalog-link-wrap { padding: 0 1.25rem; }
}

/* =============================================================
   LAUNCHER (replaces ia-right tool card)
   ============================================================= */
.ia-launcher {
  width: 100%;
  max-width: 420px;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.ia-launcher-eyebrow {
  font-family: var(--sans);
  font-size: 0.55rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gray);
  margin: 0 0 0.55rem;
}
.ia-launcher-title {
  font-family: var(--serif);
  font-size: clamp(1.15rem, 2vw, 1.38rem);
  font-weight: 400;
  line-height: 1.22;
  color: var(--black);
  text-align: center;
  margin: 0 0 1.2rem;
  max-width: 300px;
}
/* ── Upload drop zone — the main CTA (Option B: Dark accent + Shimmer) ── */
.ia-launcher-drop {
  width: 100%;
  border: none;
  border-radius: 20px;
  background: var(--black);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 2.6rem 1.5rem 2.4rem;
  cursor: pointer;
  position: relative;
  text-align: center;
  overflow: hidden;
  transition: background 0.22s ease, box-shadow 0.22s ease, transform 0.15s ease;
  margin-bottom: 1rem;
  box-shadow: 0 8px 32px rgba(26,26,26,0.28);
}
.ia-launcher-drop::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    108deg,
    transparent 25%,
    rgba(255,255,255,0.07) 42%,
    rgba(255,255,255,0.13) 50%,
    rgba(255,255,255,0.07) 58%,
    transparent 75%
  );
  transform: translateX(-150%);
  animation: shimmerSweep 2s ease-in-out 0.4s infinite;
  pointer-events: none;
  border-radius: 20px;
}
@keyframes shimmerSweep {
  0%, 100%  { transform: translateX(-150%); opacity: 0; }
  8%        { opacity: 1; }
  50%       { transform: translateX(150%);  opacity: 1; }
  60%       { transform: translateX(150%);  opacity: 0; }
}
.ia-launcher-drop:hover {
  background: #222;
  box-shadow: 0 16px 52px rgba(26,26,26,0.4);
  transform: translateY(-2px);
}
.ia-launcher-drop:active { transform: translateY(0); }
.ia-launcher-drop-icon {
  color: rgba(255,255,255,0.45);
  margin-bottom: 0.15rem;
  transition: color 0.22s ease;
}
.ia-launcher-drop:hover .ia-launcher-drop-icon { color: rgba(255,255,255,0.85); }
.ia-launcher-drop-main {
  font-family: var(--sans);
  font-size: 1rem;
  font-weight: 500;
  color: var(--white);
  line-height: 1.25;
  display: block;
  letter-spacing: -0.01em;
}
.ia-launcher-drop-sub {
  font-family: var(--sans);
  font-size: 0.65rem;
  color: rgba(255,255,255,0.48);
  font-weight: 300;
  display: block;
  letter-spacing: 0.02em;
}
.ia-launcher-drop-badge {
  display: inline-block;
  margin-top: 0.6rem;
  padding: 0.22rem 0.85rem;
  background: var(--grad);
  border: none;
  border-radius: 999px;
  font-family: var(--sans);
  font-size: 0.54rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #fff;
}
.ia-launcher-note {
  font-family: var(--sans);
  font-size: 0.58rem;
  letter-spacing: 0.07em;
  color: rgba(107,107,107,0.65);
  margin: 0;
  text-align: center;
}

/* =============================================================
   WIZARD OVERLAY
   ============================================================= */
.ia-wizard {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.ia-wizard.open {
  opacity: 1;
  pointer-events: all;
}
.ia-wiz-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(12,12,12,0.72);
  backdrop-filter: blur(7px);
  -webkit-backdrop-filter: blur(7px);
}
.ia-wiz-panel {
  position: relative;
  z-index: 1;
  background: var(--white);
  border-radius: 18px;
  width: 100%;
  max-width: 560px;
  max-height: 92vh;
  overflow-y: auto;
  padding: 1.8rem 2rem 2rem;
  box-shadow: 0 32px 80px rgba(0,0,0,0.38);
}
/* Header: dots + close */
.ia-wiz-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}
.ia-wiz-dots {
  display: flex;
  gap: 0.45rem;
  align-items: center;
}
.ia-wiz-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #D5D0CB;
  transition: background 0.25s ease, transform 0.2s ease;
}
.ia-wiz-dot.active {
  background: var(--black);
  transform: scale(1.25);
}
.ia-wiz-close {
  width: 32px;
  height: 32px;
  border: none;
  background: none;
  cursor: pointer;
  color: #999;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: background 0.15s ease, color 0.15s ease;
  padding: 0;
  flex-shrink: 0;
}
.ia-wiz-close:hover {
  background: #F0EEEC;
  color: var(--black);
}
/* Step bodies */
.ia-wiz-body { display: none; }
.ia-wiz-body.active { display: block; }
.ia-wiz-step-title {
  font-family: var(--serif);
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--black);
  margin: 0 0 0.3rem;
  line-height: 1.2;
}
.ia-wiz-step-subtitle {
  font-family: var(--sans);
  font-size: 0.72rem;
  color: var(--gray);
  font-weight: 300;
  margin: 0 0 1.4rem;
  line-height: 1.55;
}
/* Upload area inside wizard */
.ia-wiz-upload {
  border: 1.5px dashed #C5C0BA;
  border-radius: 10px;
  min-height: 170px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease;
  background: #FAFAF8;
  padding: 1.5rem;
  position: relative;
  text-align: center;
  overflow: hidden;
}
.ia-wiz-upload:hover,
.ia-wiz-upload.drag-over {
  border-color: var(--black);
  background: #F5F3F0;
}
.ia-wiz-upload-icon { color: #AAA; }
.ia-wiz-upload-text {
  font-family: var(--sans);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--black);
  margin: 0;
}
.ia-wiz-upload-hint {
  font-family: var(--sans);
  font-size: 0.62rem;
  color: var(--gray);
  margin: 0;
}
/* Preview inside wizard upload */
.ia-wiz-preview {
  width: 100%;
  max-height: 210px;
  object-fit: cover;
  border-radius: 8px;
  display: none;
}
.ia-wiz-preview.visible { display: block; }
/* Change photo button (absolute overlay) */
.ia-wiz-change {
  position: absolute;
  bottom: 0.6rem;
  right: 0.6rem;
  background: rgba(255,255,255,0.92);
  border: 1px solid #CCC;
  border-radius: 3px;
  padding: 0.28rem 0.65rem;
  font-family: var(--sans);
  font-size: 0.58rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  display: none;
  transition: background 0.15s ease;
}
.ia-wiz-change:hover { background: white; }
.ia-wiz-change.visible { display: block; }
/* Next button */
.ia-wiz-next-btn {
  display: block;
  width: 100%;
  padding: 0.88rem 1.5rem;
  background: var(--black);
  color: var(--white);
  font-family: var(--sans);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  margin-top: 1.3rem;
  transition: background 0.2s ease, transform 0.15s ease;
}
.ia-wiz-next-btn:disabled {
  background: #CECCCA;
  cursor: not-allowed;
}
.ia-wiz-next-btn:not(:disabled):hover {
  background: #2A2A2A;
  transform: translateY(-1px);
}
/* Back button */
.ia-wiz-back-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  background: none;
  border: none;
  font-family: var(--sans);
  font-size: 0.6rem;
  color: var(--gray);
  cursor: pointer;
  padding: 0;
  margin-top: 0.85rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  transition: color 0.15s ease;
}
.ia-wiz-back-btn:hover { color: var(--black); }
/* Progress bar (loading state) */
.ia-wiz-progress-track {
  width: 100%;
  height: 2px;
  background: #E8E5E1;
  border-radius: 999px;
  margin-bottom: 2rem;
  overflow: hidden;
}
.ia-wiz-progress-fill {
  height: 100%;
  width: 0%;
  background: var(--black);
  border-radius: 999px;
  transition: width 28s cubic-bezier(0.25, 0.1, 0.25, 1);
}
.ia-wiz-progress-fill.complete {
  width: 100% !important;
  transition: width 0.7s ease-out;
}
/* Cinematic loading messages */
.ia-wiz-load-msgs {
  min-height: 60px;
  margin-bottom: 0.6rem;
  display: flex;
  align-items: center;
}
.ia-wiz-load-msg {
  font-family: var(--serif);
  font-size: 1.1rem;
  font-style: italic;
  color: var(--black);
  line-height: 1.4;
  opacity: 0;
  transition: opacity 0.5s ease;
  display: none;
}
.ia-wiz-load-msg.active {
  display: block;
  opacity: 1;
}
.ia-wiz-load-hint {
  font-family: var(--sans);
  font-size: 0.6rem;
  color: var(--gray);
  letter-spacing: 0.09em;
  text-transform: uppercase;
  margin-top: 0.5rem;
}
/* Before/after comparison slider */
.ia-comparison-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 4/3;
  overflow: hidden;
  border-radius: 10px;
  cursor: ew-resize;
  user-select: none;
  -webkit-user-select: none;
  touch-action: none;
  margin-bottom: 1.4rem;
  background: #EEE;
}
.ia-comp-before,
.ia-comp-after {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
}
.ia-comp-after {
  clip-path: inset(0 50% 0 0);
  transition: none;
}
.ia-comp-handle {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  background: white;
  transform: translateX(-50%);
  pointer-events: none;
  box-shadow: 0 0 8px rgba(0,0,0,0.25);
}
.ia-comp-handle::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%,-50%);
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: white;
  box-shadow: 0 2px 10px rgba(0,0,0,0.28);
}
.ia-comp-handle::before {
  content: '⟺';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%,-50%);
  z-index: 1;
  font-size: 12px;
  color: #555;
  line-height: 1;
}
.ia-comp-labels {
  position: absolute;
  bottom: 0.75rem;
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-between;
  padding: 0 0.85rem;
  pointer-events: none;
}
.ia-comp-label {
  font-family: var(--sans);
  font-size: 0.56rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: white;
  text-shadow: 0 1px 5px rgba(0,0,0,0.55);
}
/* Result CTA block inside wizard */
.ia-wiz-result-cta { text-align: center; }
.ia-wiz-pitch {
  font-family: var(--sans);
  font-size: 0.74rem;
  color: var(--gray);
  line-height: 1.65;
  margin: 0 0 1.1rem;
  font-weight: 300;
}
.ia-wiz-wa-btn {
  display: inline-block;
  padding: 0.82rem 1.8rem;
  background: var(--black);
  color: var(--white);
  font-family: var(--sans);
  font-size: 0.63rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-radius: 4px;
  text-decoration: none;
  transition: background 0.2s ease, transform 0.15s ease;
  margin-bottom: 0.75rem;
}
.ia-wiz-wa-btn:hover { background: #2A2A2A; transform: translateY(-1px); }
.ia-wiz-retry-btn {
  display: block;
  width: 100%;
  background: none;
  border: 1px solid #E0DEDA;
  border-radius: 4px;
  padding: 0.65rem;
  font-family: var(--sans);
  font-size: 0.6rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--gray);
  cursor: pointer;
  margin-top: 0.6rem;
  transition: border-color 0.2s ease, color 0.2s ease;
}
.ia-wiz-retry-btn:hover { border-color: var(--black); color: var(--black); }
/* Paywall inside wizard */
.ia-wiz-paywall {
  text-align: center;
  padding: 1.2rem 0 0.5rem;
}
.ia-wiz-paywall-icon {
  font-size: 1.6rem;
  display: block;
  margin-bottom: 0.75rem;
}
.ia-wiz-paywall h3 {
  font-family: var(--serif);
  font-size: 1.2rem;
  font-weight: 400;
  margin: 0 0 0.45rem;
  color: var(--black);
}
.ia-wiz-paywall p {
  font-family: var(--sans);
  font-size: 0.72rem;
  color: var(--gray);
  font-weight: 300;
  margin: 0 0 1.3rem;
  line-height: 1.65;
}
/* Credits label inside wizard */
.ia-wiz-credits {
  font-family: var(--sans);
  font-size: 0.58rem;
  color: var(--gray);
  letter-spacing: 0.07em;
  text-align: center;
  margin-top: 0.75rem;
  display: block;
}
/* Wizard responsive */
@media (max-width: 600px) {
  .ia-wiz-panel {
    padding: 1.4rem 1.25rem 1.8rem;
    border-radius: 14px;
    max-height: 96vh;
  }
  .ia-wiz-step-title { font-size: 1.18rem; }
  .ia-launcher-split { height: 170px; }
  .ia-launcher-title { font-size: 1.15rem; }
}