/* ==========================================================================
   GABA BLACK — Arquitectura de Interiores & Ebanistería Shou Sugi Ban
   Boutique Architectural Design System (Palermo Hollywood, CABA)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@500;600;700&family=Plus+Jakarta+Sans:wght@300;400;500;600;700&family=Space+Mono:wght@400;700&display=swap');

:root {
  /* Palette: Charred Yakisugi, Carbon Steel, Travertine & Brass */
  --bg-dark: #0E0F12;
  --bg-surface: #15171D;
  --bg-card: #1C1E26;
  --bg-card-hover: #232630;
  
  --accent-brass: #C29B38;
  --accent-brass-light: #DFC16E;
  --accent-brass-soft: rgba(194, 155, 56, 0.15);
  
  --sand-travertine: #E8E2D8;
  --linen-white: #F5F2EC;
  --text-muted: #8E95A5;
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-active: rgba(194, 155, 56, 0.4);

  /* Typography */
  --font-serif: 'Cinzel', Georgia, serif;
  --font-sans: 'Plus Jakarta Sans', -apple-system, sans-serif;
  --font-mono: 'Space Mono', monospace;

  /* Dimensions */
  --container-max: 1240px;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-pill: 9999px;
  --transition-smooth: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ==========================================================================
   Reset & Base
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-dark);
  color: var(--linen-white);
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-sans);
  font-weight: 400;
  line-height: 1.7;
  background-color: var(--bg-dark);
  color: var(--linen-white);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: 0.02em;
  color: #FFFFFF;
}

p {
  color: var(--sand-travertine);
  opacity: 0.9;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-smooth);
}

ul {
  list-style: none;
}

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

button, input, select, textarea {
  font-family: inherit;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* ==========================================================================
   Top Bar & Header
   ========================================================================== */
.top-bar {
  background: #08090B;
  border-bottom: 1px solid var(--border-subtle);
  padding: 8px 0;
  font-size: 0.78rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
}
.top-bar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.top-bar span.accent {
  color: var(--accent-brass);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(14, 15, 18, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-subtle);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 78px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-symbol {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: #181A22;
  border: 1px solid var(--accent-brass);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--accent-brass);
}

.brand-text h1 {
  font-size: 1.35rem;
  letter-spacing: 2px;
  line-height: 1.1;
}
.brand-text span {
  display: block;
  font-size: 0.68rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1.5px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 30px;
}

.nav-link {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--sand-travertine);
  position: relative;
  padding: 6px 0;
}
.nav-link:hover, .nav-link.active {
  color: var(--accent-brass-light);
}
.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--accent-brass);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-size: 0.88rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  border: 1px solid transparent;
  transition: var(--transition-smooth);
  letter-spacing: 0.5px;
}

.btn-primary {
  background: var(--accent-brass);
  color: #0E0F12;
}
.btn-primary:hover {
  background: var(--accent-brass-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(194, 155, 56, 0.3);
}

.btn-outline {
  border-color: var(--border-subtle);
  background: rgba(255, 255, 255, 0.03);
  color: var(--linen-white);
}
.btn-outline:hover {
  border-color: var(--accent-brass);
  color: var(--accent-brass-light);
  background: rgba(194, 155, 56, 0.08);
  transform: translateY(-2px);
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: #FFFFFF;
  cursor: pointer;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
  position: relative;
  padding: 90px 0 110px;
  overflow: hidden;
  border-bottom: 1px solid var(--border-subtle);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 60px;
  align-items: center;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: var(--accent-brass-soft);
  border: 1px solid rgba(194, 155, 56, 0.3);
  border-radius: var(--radius-pill);
  font-size: 0.76rem;
  font-family: var(--font-mono);
  color: var(--accent-brass-light);
  margin-bottom: 24px;
}

.hero-title {
  font-size: clamp(2.6rem, 5vw, 4.2rem);
  font-weight: 600;
  margin-bottom: 24px;
  line-height: 1.15;
}
.hero-title em {
  font-style: normal;
  color: var(--accent-brass);
}

.hero-desc {
  font-size: 1.12rem;
  line-height: 1.8;
  color: var(--sand-travertine);
  margin-bottom: 38px;
  max-width: 580px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.hero-stats {
  display: flex;
  gap: 40px;
  border-top: 1px solid var(--border-subtle);
  padding-top: 28px;
}
.stat-box h4 {
  font-size: 1.8rem;
  color: var(--linen-white);
  font-family: var(--font-serif);
}
.stat-box p {
  font-size: 0.78rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  text-transform: uppercase;
}

.hero-media-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}
.hero-media-card img {
  width: 100%;
  height: 520px;
  object-fit: cover;
  transition: transform 0.8s ease;
}
.hero-media-card:hover img {
  transform: scale(1.03);
}

.hero-floating-pill {
  position: absolute;
  bottom: 20px;
  left: 20px;
  right: 20px;
  background: rgba(14, 15, 18, 0.88);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-subtle);
  padding: 14px 20px;
  border-radius: var(--radius-sm);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  font-family: var(--font-mono);
}

/* ==========================================================================
   Continuous Marquee Ticker
   ========================================================================== */
.ticker-section {
  padding: 24px 0;
  background: #090A0D;
  border-bottom: 1px solid var(--border-subtle);
  overflow: hidden;
}

.marquee-container {
  display: flex;
  overflow: hidden;
  user-select: none;
  mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, black 10%; black 90%, transparent);
}

.marquee-track {
  display: flex;
  gap: 24px;
  flex-shrink: 0;
  animation: marquee 28s linear infinite;
}
.marquee-track:hover {
  animation-play-state: paused;
}

@keyframes marquee {
  0% { transform: translateX(0%); }
  100% { transform: translateX(-50%); }
}

.ticker-item-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 10px 18px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  white-space: nowrap;
}
.ticker-item-card strong {
  color: var(--linen-white);
}
.ticker-item-card span {
  color: var(--accent-brass);
}

/* ==========================================================================
   Section Styling
   ========================================================================== */
.section {
  padding: 96px 0;
}
.section-alt {
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 56px;
}
.section-badge {
  font-size: 0.78rem;
  font-family: var(--font-mono);
  color: var(--accent-brass);
  text-transform: uppercase;
  letter-spacing: 2px;
  display: block;
  margin-bottom: 12px;
}
.section-title {
  font-size: clamp(2.1rem, 3.8vw, 3rem);
  margin-bottom: 16px;
  color: #FFFFFF;
}
.section-desc {
  font-size: 1.05rem;
  color: var(--sand-travertine);
  line-height: 1.8;
}

/* ==========================================================================
   Interactive Shou Sugi Ban Carbonization Inspector (Zero Money)
   ========================================================================== */
.carbon-inspector {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 44px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}

.inspector-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.char-stage {
  width: 100%;
  height: 320px;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  position: relative;
}
.char-stage img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: filter 0.4s ease;
}

.char-badge-floating {
  position: absolute;
  top: 16px;
  left: 16px;
  background: rgba(14, 15, 18, 0.9);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  border: 1px solid var(--border-subtle);
  color: var(--accent-brass-light);
}

.char-options {
  display: flex;
  gap: 10px;
  margin: 20px 0;
}
.char-btn {
  flex: 1;
  padding: 12px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--sand-travertine);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  cursor: pointer;
  transition: var(--transition-smooth);
}
.char-btn:hover {
  border-color: var(--accent-brass);
}
.char-btn.active {
  background: var(--accent-brass);
  color: #0E0F12;
  font-weight: 700;
  border-color: var(--accent-brass);
}

.char-details-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 24px;
}
.char-details-box h4 {
  font-size: 1.25rem;
  margin-bottom: 8px;
  color: #FFFFFF;
}
.char-details-box p {
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--sand-travertine);
  margin-bottom: 16px;
}

.char-specs-list {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
}
.char-specs-list div {
  margin-bottom: 6px;
}
.char-specs-list strong {
  color: var(--linen-white);
}

/* ==========================================================================
   Project Cards (No Prices)
   ========================================================================== */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 32px;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
}
.project-card:hover {
  border-color: var(--accent-brass);
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.5);
}

.project-media {
  position: relative;
  height: 260px;
  overflow: hidden;
}
.project-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.project-card:hover .project-media img {
  transform: scale(1.05);
}

.project-category {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(14, 15, 18, 0.85);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-subtle);
  color: var(--accent-brass-light);
}

.project-content {
  padding: 28px;
  flex-grow: 1;
}
.project-content h3 {
  font-size: 1.35rem;
  margin-bottom: 8px;
}
.project-content p {
  font-size: 0.92rem;
  line-height: 1.7;
  margin-bottom: 20px;
}

.project-materials-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--text-muted);
}
.mat-tag {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  padding: 4px 8px;
  border-radius: var(--radius-sm);
}

.project-footer {
  padding: 18px 28px;
  border-top: 1px solid var(--border-subtle);
  background: #15171D;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.project-meta-info {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ==========================================================================
   Methodology & Workflow
   ========================================================================== */
.workflow-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.workflow-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 36px 28px;
  transition: var(--transition-smooth);
}
.workflow-card:hover {
  border-color: var(--border-active);
  transform: translateY(-4px);
}

.workflow-step-num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-brass);
  display: block;
  margin-bottom: 14px;
}
.workflow-card h3 {
  font-size: 1.25rem;
  margin-bottom: 10px;
}
.workflow-card p {
  font-size: 0.9rem;
  line-height: 1.7;
}

/* ==========================================================================
   Interactive Spatial Advisor (diagnostico-espacial.html, Zero Money)
   ========================================================================== */
.advisor-panel {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 44px;
}

.advisor-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.advisor-group {
  margin-bottom: 24px;
}
.advisor-group label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.86rem;
  color: var(--sand-travertine);
  margin-bottom: 10px;
}

.advisor-select {
  width: 100%;
  padding: 14px 18px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: #FFFFFF;
  font-size: 0.95rem;
  outline: none;
  transition: var(--transition-smooth);
}
.advisor-select:focus {
  border-color: var(--accent-brass);
  box-shadow: 0 0 12px rgba(194, 155, 56, 0.2);
}

.advisor-result-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 32px;
}

.result-header {
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 14px;
  margin-bottom: 20px;
}
.result-header h4 {
  font-size: 1.2rem;
  color: #FFFFFF;
}

.result-spec-item {
  display: flex;
  justify-content: space-between;
  font-size: 0.9rem;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.08);
}
.result-spec-item span {
  color: var(--text-muted);
}
.result-spec-item strong {
  color: var(--linen-white);
  font-family: var(--font-mono);
}

/* ==========================================================================
   FAQ Accordion
   ========================================================================== */
.faq-wrap {
  max-width: 820px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  margin-bottom: 14px;
  overflow: hidden;
  transition: var(--transition-smooth);
}
.faq-item.active {
  border-color: var(--accent-brass);
}

.faq-btn {
  width: 100%;
  padding: 22px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: none;
  border: none;
  text-align: left;
  font-size: 1.05rem;
  font-weight: 500;
  color: #FFFFFF;
  cursor: pointer;
}
.faq-btn span.icon {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  color: var(--accent-brass);
  transition: transform 0.3s ease;
}
.faq-item.active .faq-btn span.icon {
  transform: rotate(45deg);
}

.faq-body {
  padding: 0 28px 22px;
  display: none;
  font-size: 0.95rem;
  color: var(--sand-travertine);
  line-height: 1.8;
}
.faq-item.active .faq-body {
  display: block;
}

/* ==========================================================================
   Footer & Argentine Compliance
   ========================================================================== */
.site-footer {
  background: #08090C;
  border-top: 1px solid var(--border-subtle);
  padding: 80px 0 36px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 48px;
  margin-bottom: 56px;
}

.footer-col h4 {
  color: #FFFFFF;
  font-size: 1.05rem;
  margin-bottom: 20px;
}
.footer-col p {
  color: var(--text-muted);
  font-size: 0.88rem;
  line-height: 1.7;
  margin-bottom: 16px;
}

.footer-links li {
  margin-bottom: 10px;
}
.footer-links a {
  color: var(--sand-travertine);
  font-size: 0.88rem;
}
.footer-links a:hover {
  color: var(--accent-brass-light);
  padding-left: 4px;
}

.afip-badge-box {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  margin-top: 20px;
}
.afip-badge-box svg {
  width: 42px;
  height: 42px;
  flex-shrink: 0;
}
.afip-text {
  font-size: 0.72rem;
  color: var(--text-muted);
  line-height: 1.4;
}
.afip-text strong {
  color: #FFFFFF;
  display: block;
}

.footer-bottom {
  border-top: 1px solid var(--border-subtle);
  padding-top: 28px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 0.8rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
}
.footer-legal-nav {
  display: flex;
  gap: 18px;
}
.footer-legal-nav a {
  color: var(--text-muted);
}
.footer-legal-nav a:hover {
  color: var(--linen-white);
}

/* ==========================================================================
   Modals & Toast
   ========================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.modal-overlay.active {
  display: flex;
}

.modal-window {
  background: var(--bg-card);
  border: 1px solid var(--accent-brass);
  border-radius: var(--radius-md);
  max-width: 500px;
  width: 100%;
  padding: 38px;
  text-align: center;
  box-shadow: 0 25px 70px rgba(0,0,0,0.7);
  position: relative;
}

.toast-container {
  position: fixed;
  top: 24px;
  right: 24px;
  z-index: 9999;
}

.toast {
  background: var(--bg-card);
  color: #FFFFFF;
  padding: 16px 22px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  border-left: 4px solid var(--accent-brass);
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
  margin-bottom: 10px;
  font-size: 0.88rem;
  display: flex;
  gap: 12px;
  align-items: center;
  animation: slideToast 0.35s ease;
}

@keyframes slideToast {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* Subpage Hero */
.subpage-hero {
  padding: 70px 0 55px;
  background: #0B0C0E;
  border-bottom: 1px solid var(--border-subtle);
}
.breadcrumb {
  font-size: 0.8rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  margin-bottom: 16px;
}
.breadcrumb a {
  color: var(--accent-brass);
}

.legal-content-box {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 44px;
  margin: 50px 0;
}
.legal-content-box h2 {
  font-size: 1.45rem;
  margin: 32px 0 12px;
  color: #FFFFFF;
}
.legal-content-box p, .legal-content-box li {
  font-size: 0.94rem;
  color: var(--sand-travertine);
  line-height: 1.8;
  margin-bottom: 16px;
}

/* Responsive */
@media (max-width: 1024px) {
  .hero-grid, .inspector-grid, .advisor-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    display: none;
  }
  .mobile-toggle {
    display: block;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
}