/* ==========================================================================
   OR CONSTRUCTORA — ARCHITECTURAL EDITORIAL DESIGN SYSTEM (DARK MODE)
   Cali, Colombia · 10+ Años de Experiencia
   ========================================================================== */

/* --- CSS VARIABLES & TOKENS (DARK ARCHITECTURAL PALETTE) --- */
:root {
  /* Deep Luxury Obsidian Canvas */
  --bg-canvas: #0D0D0C;
  --bg-surface: #141413;
  --bg-surface-elevated: #1A1A18;
  --bg-surface-high: #222220;

  /* Typographic Pigments */
  --text-primary: #F4F2ED;
  --text-secondary: #9A9791;
  --text-muted: #64625D;
  --text-inverse: #0D0D0C;

  /* Architectural Copper / Terracotta Accent */
  --accent-copper: #C4623E;
  --accent-copper-hover: #D6724D;
  --accent-copper-glow: rgba(196, 98, 62, 0.18);

  /* Precise Structural Hairline Dividers */
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-medium: rgba(255, 255, 255, 0.14);
  --border-prominent: rgba(255, 255, 255, 0.22);
  --border-copper: rgba(196, 98, 62, 0.4);

  /* Typographic Families */
  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-sans: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'Space Mono', monospace;

  /* Layout Constants */
  --site-max-width: 1360px;
  --site-padding: clamp(1.25rem, 4.5vw, 4rem);
  --section-padding-y: clamp(5.5rem, 9vw, 9.5rem);

  /* Easing */
  --ease-arch: cubic-bezier(0.16, 1, 0.3, 1);
  --duration-fast: 0.22s;
  --duration-normal: 0.4s;
  --duration-slow: 0.8s;
}

/* --- BASE & RESET --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  background-color: var(--bg-canvas);
  color-scheme: dark;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-canvas);
  color: var(--text-primary);
  line-height: 1.65;
  font-weight: 400;
  letter-spacing: -0.01em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--duration-fast) ease;
}

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

button {
  cursor: pointer;
  background: none;
  border: none;
}

ul, ol {
  list-style: none;
}

::selection {
  background-color: var(--accent-copper);
  color: #FFFFFF;
}

/* --- COMMON ARCHITECTURAL UTILITIES --- */
.site-wrapper {
  width: 100%;
  max-width: var(--site-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--site-padding);
  padding-right: var(--site-padding);
}

.font-mono { font-family: var(--font-mono); }
.font-serif { font-family: var(--font-serif); }

/* Structural Labels (No Generic Badges) */
.structural-label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--accent-copper);
  font-weight: 700;
  margin-bottom: 0.85rem;
}

/* Section Headings: Unified Single Font, Upright, NO Italics, NO Mixed Fonts */
.section-heading {
  font-family: var(--font-serif);
  font-size: clamp(2.4rem, 5vw, 4.2rem);
  line-height: 1.08;
  font-weight: 500;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

/* --- CADASTRAL TOP BAR --- */
.cadastral-bar {
  background-color: var(--bg-canvas);
  border-bottom: 1px solid var(--border-subtle);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-muted);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 0.45rem 0;
}

.cadastral-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.cadastral-left, .cadastral-right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.geo-pulse {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--accent-copper);
  display: inline-block;
  animation: pulse-dot 2.5s infinite ease-in-out;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 0.3; transform: scale(0.9); }
  50% { opacity: 1; transform: scale(1.2); }
}

.divider-slash {
  color: var(--border-subtle);
}

.phone-link:hover {
  color: var(--accent-copper);
}

@media (max-width: 768px) {
  .elev-text, .divider-slash, .cadastral-right {
    display: none;
  }
}

/* --- SITE HEADER & NAVIGATION --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(13, 13, 12, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-subtle);
  transition: all var(--duration-fast) ease;
}

.site-header.scrolled {
  background-color: rgba(13, 13, 12, 0.98);
  border-bottom-color: var(--border-medium);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
  transition: height var(--duration-fast) ease;
}

.site-header.scrolled .header-container {
  height: 68px;
}

.brand-link {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  color: var(--text-primary);
}

.brand-monogram {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--text-primary);
  transition: color var(--duration-fast) ease;
}

.brand-link:hover .brand-monogram {
  color: var(--accent-copper);
}

.brand-details {
  border-left: 1px solid var(--border-subtle);
  padding-left: 0.75rem;
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.28em;
  color: var(--text-primary);
  line-height: 1.1;
}

.brand-subtitle {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.18em;
  color: var(--text-muted);
  line-height: 1.3;
}

.main-nav {
  display: flex;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: clamp(1.5rem, 2.5vw, 2.5rem);
}

.nav-item {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 0.35rem 0;
  transition: color var(--duration-fast) ease;
}

.nav-item-special {
  color: var(--accent-copper);
}

.nav-item::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--accent-copper);
  transition: width var(--duration-fast) var(--ease-arch);
}

.nav-item:hover {
  color: var(--text-primary);
}

.nav-item:hover::after {
  width: 100%;
}

.header-action {
  display: flex;
  align-items: center;
}

.btn-architectural-hollow {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-weight: 600;
  padding: 0.75rem 1.4rem;
  border: 1px solid var(--border-medium);
  color: var(--text-primary);
  background-color: transparent;
  transition: all var(--duration-fast) ease;
}

.btn-architectural-hollow:hover {
  border-color: var(--accent-copper);
  color: var(--accent-copper);
  background-color: var(--accent-copper-glow);
}

/* Mobile Hamburger Toggle */
.mobile-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: flex-end;
  width: 40px;
  height: 40px;
  gap: 5px;
}

.ham-line {
  display: block;
  height: 1.5px;
  background-color: var(--text-primary);
  transition: all var(--duration-normal) var(--ease-arch);
}

.line-1 { width: 24px; }
.line-2 { width: 16px; }
.line-3 { width: 24px; }

.mobile-toggle:hover .line-2 {
  width: 24px;
}

@media (max-width: 992px) {
  .main-nav, .header-action {
    display: none;
  }
  .mobile-toggle {
    display: flex;
  }
}

/* Mobile Navigation Drawer */
.mobile-drawer {
  position: fixed;
  inset: 0;
  z-index: 200;
  background-color: var(--bg-canvas);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 2.5rem var(--site-padding);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-10px);
  transition: opacity var(--duration-normal) ease, transform var(--duration-normal) ease;
}

.mobile-drawer.open {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.drawer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 1.25rem;
}

.drawer-meta {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--accent-copper);
}

.drawer-close-btn {
  font-size: 1.4rem;
  color: var(--text-primary);
}

.drawer-nav {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin: 2rem 0;
}

.drawer-link {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  color: var(--text-primary);
  display: flex;
  align-items: baseline;
  gap: 1rem;
}

.drawer-link:hover {
  color: var(--accent-copper);
}

.link-num {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent-copper);
}

.drawer-footer {
  border-top: 1px solid var(--border-subtle);
  padding-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.drawer-phone {
  color: var(--text-primary);
  font-size: 0.9rem;
  font-weight: bold;
}

.drawer-socials {
  display: flex;
  gap: 1.5rem;
  margin-top: 0.5rem;
}

/* --- BUTTONS --- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  background-color: var(--accent-copper);
  color: #FFFFFF;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-weight: 600;
  padding: 1.15rem 2.2rem;
  border: 1px solid var(--accent-copper);
  transition: all var(--duration-fast) ease;
}

.btn-primary:hover {
  background-color: var(--accent-copper-hover);
  border-color: var(--accent-copper-hover);
  box-shadow: 0 8px 24px rgba(196, 98, 62, 0.35);
}

.btn-primary.full-width {
  width: 100%;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-weight: 600;
  padding: 1.15rem 1.75rem;
  border-bottom: 1px solid var(--border-medium);
  transition: all var(--duration-fast) ease;
}

.btn-secondary:hover {
  color: var(--accent-copper);
  border-color: var(--accent-copper);
}

/* ==========================================================================
   1. HERO SECTION (FULLSCREEN CINEMATIC WITH LEFT ALIGNED CONTENT)
   ========================================================================== */
.hero-fullscreen {
  position: relative;
  min-height: 100vh;
  width: 100%;
  display: flex;
  align-items: center;
  overflow: hidden;
  border-bottom: 1px solid var(--border-subtle);
}

.hero-bg-media {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.hero-bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: brightness(0.82) contrast(1.08);
  transform: scale(1.02);
  transition: transform 3s var(--ease-arch);
}

.hero-fullscreen:hover .hero-bg-img {
  transform: scale(1.04);
}

/* Asymmetric Dark Vignette Overlay: Deep Charcoal on the left, revealing image on the right */
.hero-bg-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg, 
    rgba(13, 13, 12, 0.95) 0%, 
    rgba(13, 13, 12, 0.85) 40%, 
    rgba(13, 13, 12, 0.45) 75%, 
    rgba(13, 13, 12, 0.25) 100%
  );
  pointer-events: none;
}

@media (max-width: 992px) {
  .hero-bg-overlay {
    background: linear-gradient(
      180deg, 
      rgba(13, 13, 12, 0.88) 0%, 
      rgba(13, 13, 12, 0.92) 60%, 
      rgba(13, 13, 12, 0.98) 100%
    );
  }
}

.hero-inner-container {
  position: relative;
  z-index: 2;
  padding-top: 5rem;
  padding-bottom: 5rem;
}

.hero-content-column {
  max-width: 720px;
  display: flex;
  flex-direction: column;
}

.hero-tag-line {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.75rem;
}

.tag-line-dash {
  width: 36px;
  height: 1px;
  background-color: var(--accent-copper);
}

.tag-line-text {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.24em;
  color: var(--text-secondary);
}

/* Unified Single Font, Upright, Sculptural */
.hero-monumental-title {
  font-family: var(--font-serif);
  font-size: clamp(3rem, 6.5vw, 5.8rem);
  line-height: 1.03;
  font-weight: 500;
  color: var(--text-primary);
  letter-spacing: -0.025em;
  margin-bottom: 1.75rem;
}

.hero-description {
  font-family: var(--font-sans);
  font-size: clamp(1.05rem, 1.4vw, 1.25rem);
  color: var(--text-secondary);
  line-height: 1.6;
  font-weight: 300;
  max-width: 580px;
  margin-bottom: 2.75rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 3.5rem;
}

.hero-technical-strip {
  border-top: 1px solid var(--border-subtle);
  padding-top: 2rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  max-width: 620px;
}

.tech-item {
  display: flex;
  flex-direction: column;
}

.tech-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
}

.tech-value {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
}

.hero-scroll-cue {
  position: absolute;
  bottom: 2.5rem;
  right: var(--site-padding);
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.cue-text {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: var(--text-muted);
}

.cue-line {
  width: 40px;
  height: 1px;
  background-color: var(--border-medium);
}

@media (max-width: 640px) {
  .hero-technical-strip {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  .hero-scroll-cue {
    display: none;
  }
}

/* ==========================================================================
   2. SECCIÓN DE IMPACTO EDITORIAL & MÉTRICAS (SIN CARDS)
   ========================================================================== */
.impact-section {
  padding: var(--section-padding-y) 0;
  border-bottom: 1px solid var(--border-subtle);
  background-color: var(--bg-canvas);
}

.impact-header-row {
  display: grid;
  grid-template-columns: 0.3fr 0.7fr;
  gap: clamp(2rem, 4vw, 4.5rem);
  padding-bottom: clamp(3rem, 5vw, 5rem);
  border-bottom: 1px solid var(--border-subtle);
}

.impact-col-left {
  display: flex;
  flex-direction: column;
}

.structural-sublabel {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--text-muted);
  font-weight: 600;
}

.impact-col-right {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.impact-quote {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 4.2vw, 3.8rem);
  line-height: 1.15;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  font-weight: 500;
}

.impact-subparagraph {
  font-family: var(--font-sans);
  font-size: clamp(0.95rem, 1.2vw, 1.1rem);
  color: var(--text-secondary);
  line-height: 1.7;
  font-weight: 300;
  max-width: 720px;
}

.impact-body-row {
  display: grid;
  grid-template-columns: 0.42fr 0.58fr;
  gap: clamp(2.5rem, 5vw, 5rem);
  align-items: center;
  padding-top: clamp(3.5rem, 6vw, 5.5rem);
}

.impact-image-container {
  display: flex;
  flex-direction: column;
}

.impact-image-frame {
  width: 100%;
  aspect-ratio: 4 / 5;
  background-color: var(--bg-surface);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
}

.impact-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.9) contrast(1.05);
  transition: all var(--duration-slow) var(--ease-arch);
}

.impact-image-frame:hover .impact-img {
  transform: scale(1.035);
  filter: brightness(1) contrast(1.1);
}

.impact-image-caption {
  display: flex;
  justify-content: space-between;
  padding-top: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border-subtle);
  margin-top: 0.5rem;
}

/* Metrics without cards */
.impact-metrics-container {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.5rem 2rem;
}

.metric-row {
  position: relative;
  padding-left: 1.5rem;
}

.metric-accent-line {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 2px;
  background-color: var(--accent-copper);
}

.metric-accent-line.line-muted {
  background-color: var(--border-medium);
}

.metric-number {
  font-family: var(--font-serif);
  font-size: clamp(3rem, 5vw, 4.5rem);
  line-height: 1;
  font-weight: 400;
  color: var(--text-primary);
  margin-bottom: 0.35rem;
  letter-spacing: -0.03em;
}

.metric-number.metric-textual {
  font-size: clamp(1.8rem, 2.8vw, 2.5rem);
  line-height: 1.05;
  font-weight: 500;
  letter-spacing: -0.02em;
}

.metric-title {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-weight: 700;
  color: var(--accent-copper);
  margin-bottom: 0.5rem;
}

.metric-row:not(.accent-row) .metric-title {
  color: var(--text-muted);
}

.metric-desc {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.6;
  font-weight: 400;
}

.trust-strip {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  padding: 1.25rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.trust-badge-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--accent-copper);
  font-weight: 700;
}

.trust-text {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  color: var(--text-secondary);
}

@media (max-width: 992px) {
  .impact-header-row {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .impact-body-row {
    grid-template-columns: 1fr;
    gap: 3.5rem;
  }
}

@media (max-width: 640px) {
  .metrics-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   3. SERVICIOS (GRANDES BLOQUES EDITORIALES)
   ========================================================================== */
.services-section {
  padding: var(--section-padding-y) 0;
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-subtle);
}

.services-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  padding-bottom: clamp(3rem, 5vw, 4.5rem);
  border-bottom: 1px solid var(--border-subtle);
  gap: 2rem;
  flex-wrap: wrap;
}

.services-intro {
  font-family: var(--font-sans);
  font-size: clamp(0.95rem, 1.2vw, 1.05rem);
  color: var(--text-secondary);
  line-height: 1.7;
  font-weight: 300;
  max-width: 480px;
}

.services-editorial-stream {
  display: flex;
  flex-direction: column;
}

.service-editorial-block {
  display: grid;
  grid-template-columns: 0.45fr 0.55fr;
  gap: clamp(2.5rem, 5vw, 5.5rem);
  align-items: center;
  padding: clamp(3.5rem, 6vw, 6rem) 0;
  border-bottom: 1px solid var(--border-subtle);
}

.service-editorial-block.block-reverse {
  grid-template-columns: 0.55fr 0.45fr;
}

.service-editorial-block.block-reverse .service-text-column {
  order: 2;
}

.service-editorial-block.block-reverse .service-image-column {
  order: 1;
}

.service-text-column {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.service-index-line {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.service-code {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--accent-copper);
  font-weight: 700;
}

.service-tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  color: var(--text-muted);
}

.service-title {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 3.8vw, 3.2rem);
  font-weight: 500;
  line-height: 1.1;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.service-summary {
  font-family: var(--font-sans);
  font-size: clamp(1.05rem, 1.35vw, 1.25rem);
  color: var(--text-primary);
  line-height: 1.5;
  font-weight: 400;
}

.service-body {
  font-family: var(--font-sans);
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.7;
  font-weight: 300;
}

.service-deliverables {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding-top: 1rem;
}

.deliverable-item {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 0.45rem 0.85rem;
  border: 1px solid var(--border-subtle);
  background-color: var(--bg-canvas);
  color: var(--text-secondary);
}

.service-image-column {
  width: 100%;
}

.service-media-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 11;
  overflow: hidden;
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
}

.service-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-arch);
}

.service-media-frame:hover .service-img {
  transform: scale(1.04);
}

.service-tag-overlay {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background-color: rgba(13, 13, 12, 0.85);
  backdrop-filter: blur(8px);
  padding: 0.4rem 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
}

@media (max-width: 992px) {
  .service-editorial-block,
  .service-editorial-block.block-reverse {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .service-editorial-block.block-reverse .service-text-column {
    order: 1;
  }
  .service-editorial-block.block-reverse .service-image-column {
    order: 2;
  }
}

/* ==========================================================================
   4. EXPERIENCIA INTERACTIVA 3D (DIFERENCIADOR ÚNICO)
   ========================================================================== */
.three-d-section {
  padding: var(--section-padding-y) 0;
  background-color: var(--bg-canvas);
  border-bottom: 1px solid var(--border-subtle);
}

.three-d-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  padding-bottom: clamp(2rem, 4vw, 3.5rem);
  border-bottom: 1px solid var(--border-subtle);
  gap: 2rem;
  flex-wrap: wrap;
}

.three-d-intro {
  font-family: var(--font-sans);
  font-size: clamp(0.95rem, 1.2vw, 1.05rem);
  color: var(--text-secondary);
  line-height: 1.7;
  font-weight: 300;
  max-width: 520px;
}

.three-d-viewer-box {
  margin-top: 2.5rem;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  position: relative;
}

.three-canvas-container {
  width: 100%;
  height: 540px;
  position: relative;
  overflow: hidden;
  cursor: grab;
  background-color: #0A0A09;
}

.three-canvas-container:active {
  cursor: grabbing;
}

.three-loader {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  background-color: var(--bg-surface);
  z-index: 10;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-secondary);
  letter-spacing: 0.1em;
  transition: opacity var(--duration-normal) ease;
}

.three-loader.hidden {
  opacity: 0;
  pointer-events: none;
}

.loader-spinner {
  width: 32px;
  height: 32px;
  border: 2px solid var(--border-subtle);
  border-top-color: var(--accent-copper);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* 3D Floating Toolbar */
.three-d-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  background-color: var(--bg-surface-elevated);
  border-top: 1px solid var(--border-subtle);
  flex-wrap: wrap;
  gap: 1rem;
}

.toolbar-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.toolbar-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  color: var(--text-muted);
  margin-right: 0.25rem;
}

.view-btn, .light-btn, .action-btn {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.45rem 0.85rem;
  border: 1px solid var(--border-subtle);
  background-color: var(--bg-surface);
  color: var(--text-secondary);
  transition: all var(--duration-fast) ease;
}

.view-btn:hover, .light-btn:hover, .action-btn:hover {
  border-color: var(--text-primary);
  color: var(--text-primary);
}

.view-btn.active, .light-btn.active, .action-btn.active {
  background-color: var(--accent-copper);
  border-color: var(--accent-copper);
  color: #FFFFFF;
}

/* 3D Annotations Bar */
.three-d-annotations-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--border-subtle);
}

.annotation-item {
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  border-right: 1px solid var(--border-subtle);
  cursor: pointer;
  background-color: var(--bg-surface);
  transition: all var(--duration-fast) ease;
}

.annotation-item:last-child {
  border-right: none;
}

.annotation-item:hover, .annotation-item.active {
  background-color: var(--bg-surface-high);
}

.ann-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-copper);
  font-weight: 700;
}

.ann-info {
  display: flex;
  flex-direction: column;
}

.ann-info strong {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  color: var(--text-primary);
  font-weight: 600;
}

.ann-info span {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-muted);
}

@media (max-width: 992px) {
  .three-d-annotations-bar {
    grid-template-columns: repeat(2, 1fr);
  }
  .annotation-item:nth-child(2) {
    border-right: none;
  }
}

@media (max-width: 640px) {
  .three-canvas-container {
    height: 380px;
  }
  .three-d-annotations-bar {
    grid-template-columns: 1fr;
  }
  .annotation-item {
    border-right: none;
    border-bottom: 1px solid var(--border-subtle);
  }
}

/* ==========================================================================
   5. PROYECTOS (GRID EDITORIAL ASIMÉTRICO)
   ========================================================================== */
.projects-section {
  padding: var(--section-padding-y) 0;
  border-bottom: 1px solid var(--border-subtle);
  background-color: var(--bg-canvas);
}

.projects-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  padding-bottom: clamp(2.5rem, 4vw, 4rem);
  border-bottom: 1px solid var(--border-subtle);
  gap: 2rem;
  flex-wrap: wrap;
}

.filter-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.filter-tab {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  padding: 0.6rem 1.15rem;
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  background: transparent;
  transition: all var(--duration-fast) ease;
}

.filter-tab:hover {
  border-color: var(--text-primary);
  color: var(--text-primary);
}

.filter-tab.active {
  background-color: var(--text-primary);
  border-color: var(--text-primary);
  color: var(--text-inverse);
  font-weight: 600;
}

/* Asymmetric 12-column editorial grid */
.projects-editorial-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: clamp(1.5rem, 3vw, 2.5rem);
  padding-top: clamp(2.5rem, 4vw, 4rem);
}

.project-entry {
  display: flex;
  flex-direction: column;
  cursor: pointer;
  transition: opacity var(--duration-fast) ease;
}

.project-entry.col-span-large {
  grid-column: span 7;
}

.project-entry.col-span-medium {
  grid-column: span 5;
}

.project-entry.hidden {
  display: none;
}

.project-visual-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 11;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  overflow: hidden;
}

.project-visual-wrapper.aspect-square {
  aspect-ratio: 1 / 1;
}

.project-thumbnail {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.92);
  transition: transform var(--duration-slow) var(--ease-arch), filter var(--duration-slow) ease;
}

.project-curtain {
  position: absolute;
  inset: 0;
  background-color: rgba(13, 13, 12, 0.35);
  opacity: 0;
  transition: opacity var(--duration-fast) ease;
}

.project-badge-top {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background-color: rgba(13, 13, 12, 0.9);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border-subtle);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.16em;
  color: var(--text-primary);
  padding: 0.35rem 0.75rem;
}

.project-hover-reveal {
  position: absolute;
  bottom: 1.25rem;
  right: 1.25rem;
  opacity: 0;
  transform: translateY(6px);
  transition: all var(--duration-fast) ease;
}

.reveal-btn {
  background-color: var(--accent-copper);
  color: #FFFFFF;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  padding: 0.5rem 0.9rem;
  display: inline-block;
  border: 1px solid var(--accent-copper);
}

.project-entry:hover .project-thumbnail {
  transform: scale(1.035);
  filter: brightness(1.05);
}

.project-entry:hover .project-curtain {
  opacity: 1;
}

.project-entry:hover .project-hover-reveal {
  opacity: 1;
  transform: translateY(0);
}

.project-meta-strip {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 1.15rem 0;
  border-bottom: 1px solid var(--border-subtle);
  gap: 1rem;
}

.meta-primary {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.project-name {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--text-primary);
  transition: color var(--duration-fast) ease;
}

.project-entry:hover .project-name {
  color: var(--accent-copper);
}

.project-location {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
}

.meta-secondary {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.25rem;
}

.project-year {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
}

.project-type-tag {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent-copper);
  border: 1px solid var(--border-copper);
  padding: 0.15rem 0.45rem;
}

.projects-footnote {
  margin-top: clamp(3rem, 5vw, 5rem);
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footnote-statement {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  max-width: 600px;
}

.footnote-link {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--text-primary);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border-bottom: 1px solid var(--accent-copper);
  padding-bottom: 0.2rem;
}

.footnote-link:hover {
  color: var(--accent-copper);
}

@media (max-width: 992px) {
  .project-entry.col-span-large,
  .project-entry.col-span-medium {
    grid-column: span 12;
  }
}

/* ==========================================================================
   6. PROCESO (LÍNEA VISUAL MINIMALISTA)
   ========================================================================== */
.process-section {
  padding: var(--section-padding-y) 0;
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-subtle);
}

.process-intro-block {
  text-align: center;
  max-width: 720px;
  margin: 0 auto clamp(3.5rem, 6vw, 5.5rem);
}

.process-intro-text {
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
  font-weight: 300;
  margin-top: 1rem;
}

.process-timeline-wrapper {
  position: relative;
}

.process-track-line {
  display: none;
}

@media (min-width: 1024px) {
  .process-track-line {
    display: block;
    position: absolute;
    top: 40px;
    left: 8%;
    right: 8%;
    height: 1px;
    background-color: var(--border-subtle);
    z-index: 1;
  }
}

.process-steps-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: clamp(1rem, 2vw, 2rem);
  position: relative;
  z-index: 2;
}

.step-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0 0.5rem;
  transition: transform var(--duration-fast) ease;
}

.step-card:hover {
  transform: translateY(-4px);
}

.step-marker-box {
  width: 80px;
  height: 80px;
  background-color: var(--bg-canvas);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.75rem;
  transition: border-color var(--duration-fast) ease;
}

.step-card:hover .step-marker-box {
  border-color: var(--accent-copper);
}

.step-number {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  transition: color var(--duration-fast) ease;
}

.step-card:hover .step-number {
  color: var(--accent-copper);
}

.step-phase-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: var(--accent-copper);
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.step-title {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  color: var(--text-primary);
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
  font-weight: 500;
}

.step-description {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  color: var(--text-secondary);
  line-height: 1.6;
  font-weight: 400;
  margin-bottom: 1.25rem;
}

.step-deliverable-tag {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  border-top: 1px solid var(--border-subtle);
  padding-top: 0.5rem;
  width: 100%;
}

@media (max-width: 1024px) {
  .process-steps-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
  }
}

@media (max-width: 640px) {
  .process-steps-grid {
    grid-template-columns: 1fr;
  }
  .step-card {
    align-items: flex-start;
    text-align: left;
  }
  .step-marker-box {
    margin-bottom: 1rem;
  }
}

/* ==========================================================================
   7. EXPERIENCIA / CONFIANZA
   ========================================================================== */
.authority-dark-section {
  padding: var(--section-padding-y) 0;
  background-color: var(--bg-canvas);
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-subtle);
}

.authority-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(2.5rem, 5vw, 5.5rem);
  align-items: center;
}

.authority-editorial {
  display: flex;
  flex-direction: column;
}

.authority-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.authority-dot {
  width: 7px;
  height: 7px;
  background-color: var(--accent-copper);
}

.authority-eyebrow-text {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.authority-title {
  font-family: var(--font-serif);
  font-size: clamp(2.4rem, 5vw, 4.4rem);
  line-height: 1.08;
  font-weight: 500;
  letter-spacing: -0.025em;
  margin-bottom: 1.75rem;
  color: var(--text-primary);
}

.authority-paragraph {
  font-family: var(--font-sans);
  font-size: clamp(0.95rem, 1.25vw, 1.15rem);
  color: var(--text-secondary);
  line-height: 1.7;
  font-weight: 300;
  margin-bottom: 2.75rem;
}

.authority-pillars-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.authority-pillar-item {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  padding: 1.25rem 1.5rem;
  border: 1px solid var(--border-subtle);
  background-color: var(--bg-surface);
  transition: border-color var(--duration-fast) ease;
}

.authority-pillar-item:hover {
  border-color: var(--accent-copper);
}

.pillar-roman {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent-copper);
  font-weight: 700;
  margin-top: 0.15rem;
}

.pillar-content {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.pillar-headline {
  font-family: var(--font-sans);
  font-size: 0.88rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--text-primary);
}

.pillar-text {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Technical spec monolith box */
.authority-spec-monolith {
  width: 100%;
}

.spec-monolith-box {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  padding: clamp(1.75rem, 3.5vw, 2.75rem);
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.spec-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 1rem;
}

.spec-title {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--accent-copper);
  font-weight: 700;
}

.spec-id {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-muted);
}

.spec-data-list {
  display: flex;
  flex-direction: column;
  divide-y: 1px solid var(--border-subtle);
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.spec-data-row {
  display: flex;
  justify-content: space-between;
  padding: 0.8rem 0;
  border-bottom: 1px solid var(--border-subtle);
}

.spec-field {
  color: var(--text-muted);
}

.spec-value {
  color: var(--text-primary);
  font-weight: 700;
}

.spec-quote-footer {
  border-top: 1px solid var(--border-subtle);
  padding-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.spec-quote-text {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.6;
  font-weight: 300;
}

.spec-sign-off {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.16em;
  color: var(--accent-copper);
}

@media (max-width: 992px) {
  .authority-grid {
    grid-template-columns: 1fr;
    gap: 3.5rem;
  }
}

/* ==========================================================================
   8. CTA FINAL & FORMULARIO ARQUITECTÓNICO
   ========================================================================== */
.final-cta-section {
  padding: var(--section-padding-y) 0;
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-subtle);
}

.cta-form-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(2.5rem, 5vw, 6rem);
}

.cta-left-content {
  display: flex;
  flex-direction: column;
}

.cta-monumental-heading {
  font-family: var(--font-serif);
  font-size: clamp(2.6rem, 5.5vw, 4.8rem);
  line-height: 1.05;
  font-weight: 500;
  color: var(--text-primary);
  letter-spacing: -0.025em;
  margin-top: 0.5rem;
  margin-bottom: 1.25rem;
}

.cta-subheading {
  font-family: var(--font-serif);
  font-size: clamp(1.25rem, 2vw, 1.6rem);
  color: var(--text-secondary);
  line-height: 1.4;
  margin-bottom: 1.25rem;
  font-weight: 400;
}

.cta-body-text {
  font-family: var(--font-sans);
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.7;
  font-weight: 300;
  margin-bottom: 2.75rem;
}

.contact-details-block {
  border-top: 1px solid var(--border-subtle);
  padding-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.contact-entry {
  display: flex;
  flex-direction: column;
}

.contact-entry-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
}

.contact-entry-value {
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

.contact-entry-sub {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
}

.whatsapp-direct-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent-copper);
  margin-top: 0.25rem;
}

.wa-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: #25D366;
}

/* Minimalist Dark Form */
.cta-right-form {
  width: 100%;
}

.form-monolith {
  background-color: var(--bg-canvas);
  border: 1px solid var(--border-subtle);
  padding: clamp(2rem, 4vw, 3.25rem);
}

.form-header {
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 1.25rem;
}

.form-kicker {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent-copper);
  font-weight: 700;
  display: block;
  margin-bottom: 0.25rem;
}

.form-title {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  font-weight: 500;
  color: var(--text-primary);
}

.architectural-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-row-duo {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.field-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--text-muted);
}

.field-input {
  width: 100%;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  padding: 0.9rem 1rem;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  color: var(--text-primary);
  transition: border-color var(--duration-fast) ease;
  outline: none;
  border-radius: 0;
}

.field-input:focus {
  border-color: var(--accent-copper);
}

.field-select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%239A9791' stroke-width='1.5' stroke-linecap='square'%3e%3cpath d='M6 9l6 6 6-6'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: 14px;
}

.field-textarea {
  resize: vertical;
  min-height: 110px;
}

.form-action-row {
  margin-top: 0.5rem;
}

.form-alert {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 1rem;
  border: 1px solid var(--border-subtle);
}

.form-alert.hidden {
  display: none;
}

.form-alert.success {
  background-color: rgba(37, 211, 102, 0.1);
  border-color: rgba(37, 211, 102, 0.4);
  color: #55e683;
}

.form-alert.error {
  background-color: rgba(196, 98, 62, 0.15);
  border-color: rgba(196, 98, 62, 0.5);
  color: #ff8559;
}

.form-legal-notice {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--text-muted);
  line-height: 1.5;
  text-align: center;
}

@media (max-width: 992px) {
  .cta-form-grid {
    grid-template-columns: 1fr;
    gap: 3.5rem;
  }
}

@media (max-width: 640px) {
  .form-row-duo {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   9. FOOTER EDITORIAL
   ========================================================================== */
.site-footer {
  background-color: var(--bg-canvas);
  color: var(--text-primary);
  padding: clamp(4rem, 6vw, 5.5rem) 0 2.5rem;
  border-top: 1px solid var(--border-subtle);
}

.footer-top-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr 0.8fr 1fr;
  gap: clamp(2rem, 3.5vw, 4rem);
  padding-bottom: 4rem;
  border-bottom: 1px solid var(--border-subtle);
}

.footer-brand-col {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.footer-brand {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
}

.footer-monogram {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  font-weight: 500;
  color: var(--text-primary);
}

.footer-brand-text {
  border-left: 1px solid var(--border-subtle);
  padding-left: 0.75rem;
  display: flex;
  flex-direction: column;
}

.footer-brand-name {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.25em;
  color: var(--text-primary);
}

.footer-brand-tag {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.14em;
  color: var(--text-muted);
}

.footer-description {
  font-family: var(--font-sans);
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.6;
  font-weight: 300;
  max-width: 320px;
}

.footer-camacol-mark {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.16em;
  color: var(--accent-copper);
}

.footer-links-col, .footer-contact-col {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-heading {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--accent-copper);
  font-weight: 700;
}

.footer-list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-list a {
  font-family: var(--font-sans);
  font-size: 0.82rem;
  color: var(--text-secondary);
  font-weight: 400;
  transition: color var(--duration-fast) ease;
}

.footer-list a:hover {
  color: var(--text-primary);
}

.footer-address {
  font-family: var(--font-sans);
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.footer-phone-email {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-primary);
  line-height: 1.6;
}

.copper-hover:hover {
  color: var(--accent-copper);
}

.footer-social-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-secondary);
}

.social-link:hover {
  color: var(--text-primary);
}

.social-separator {
  color: var(--border-subtle);
}

.footer-bottom-bar {
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-muted);
}

.footer-bottom-links {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.footer-bottom-links a:hover {
  color: var(--text-primary);
}

.back-to-top {
  color: var(--accent-copper);
}

@media (max-width: 992px) {
  .footer-top-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
  }
}

@media (max-width: 640px) {
  .footer-top-grid {
    grid-template-columns: 1fr;
  }
  .footer-bottom-bar {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* ==========================================================================
   MODAL DE DETALLE DE PROYECTO (INTERACTIVO)
   ========================================================================== */
.project-modal {
  position: fixed;
  inset: 0;
  z-index: 300;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-normal) ease;
}

.project-modal.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-overlay {
  position: absolute;
  inset: 0;
  background-color: rgba(5, 5, 5, 0.9);
  backdrop-filter: blur(10px);
}

.modal-window {
  position: relative;
  z-index: 2;
  background-color: var(--bg-surface);
  color: var(--text-primary);
  width: 100%;
  max-width: 980px;
  max-height: 90vh;
  overflow-y: auto;
  border: 1px solid var(--border-subtle);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.7);
  transform: translateY(12px);
  transition: transform var(--duration-normal) var(--ease-arch);
}

.project-modal.active .modal-window {
  transform: translateY(0);
}

.modal-close-button {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  width: 44px;
  height: 44px;
  background-color: var(--bg-canvas);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  transition: all var(--duration-fast) ease;
}

.modal-close-button:hover {
  background-color: var(--accent-copper);
  border-color: var(--accent-copper);
  color: #FFFFFF;
}

.modal-content-area {
  padding: clamp(2rem, 4vw, 3.5rem);
}

.modal-hero-image-wrap {
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background-color: var(--bg-canvas);
  margin-bottom: 2rem;
  border: 1px solid var(--border-subtle);
}

.modal-hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.modal-kicker-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent-copper);
  margin-bottom: 0.5rem;
}

.modal-title {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  line-height: 1.1;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.modal-location-strip {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border-subtle);
}

.modal-grid-specs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-bottom: 2.5rem;
  background-color: var(--bg-canvas);
  padding: 1.25rem;
  border: 1px solid var(--border-subtle);
}

.spec-item-box {
  display: flex;
  flex-direction: column;
}

.spec-item-label {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
}

.spec-item-val {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-primary);
}

.modal-body-text {
  font-family: var(--font-sans);
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--text-secondary);
  font-weight: 300;
  margin-bottom: 2rem;
}

.modal-engineering-highlights {
  border-top: 1px solid var(--border-subtle);
  padding-top: 1.5rem;
  margin-bottom: 2.5rem;
}

.highlights-title {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-copper);
  font-weight: 700;
  margin-bottom: 1rem;
}

.highlights-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

.highlight-bullet {
  font-family: var(--font-sans);
  font-size: 0.82rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.highlight-bullet::before {
  content: '';
  width: 4px;
  height: 4px;
  background-color: var(--accent-copper);
}

.modal-cta-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--border-subtle);
  padding-top: 1.75rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.btn-primary-small {
  background-color: var(--accent-copper);
  color: #FFFFFF;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-weight: 600;
  padding: 0.8rem 1.4rem;
  border: 1px solid var(--accent-copper);
  transition: all var(--duration-fast) ease;
  white-space: nowrap;
}

.btn-primary-small:hover {
  background-color: var(--accent-copper-hover);
}

@media (max-width: 768px) {
  .modal-grid-specs {
    grid-template-columns: repeat(2, 1fr);
  }
  .highlights-list {
    grid-template-columns: 1fr;
  }
}