/* ==========================================================================
   NEXO REFORMAS — ARCHITECTURAL & CONSTRUCTIVE DESIGN SYSTEM
   Madrid, Spain · Technical Residential Renovation & Engineering
   Swiss Graphic Design · Neo-Grotesk · Technical Documentation Aesthetic
   ========================================================================== */

/* 1. TYPOGRAPHY & VARIABLES */
@import url('https://fonts.googleapis.com/css2?family=Inter+Tight:ital,wght@0,400;0,500;0,600;0,700;0,800;0,900;1,700;1,800&family=Inter:wght@300;400;500;600;700&family=Space+Grotesk:wght@400;500;600;700&display=swap');

:root {
  /* Cool Mineral & Concrete Grey Tokens (Eliminating Warm/Beige Tones) */
  --bg-mineral: #DFDCD6;          /* Crisp cool mineral concrete */
  --bg-mineral-light: #E7E5E0;    /* Light clean concrete */
  --bg-mineral-dark: #CECAC0;     /* Industrial cool concrete tone */
  --bg-chalk: #FFFFFF;            /* Pure white contrast */
  
  --bg-graphite: #141413;         /* Deep constructive graphite */
  --bg-graphite-surface: #1B1B19;
  --bg-graphite-light: #242422;

  --text-ink: #111110;
  --text-secondary: #52504B;
  --text-muted: #7E7C75;
  
  --text-inverse: #F0EFEA;
  --text-inverse-muted: #9E9C95;

  /* Technical Hairline Rules */
  --border-hairline: #BCB9AF;
  --border-medium: #86847B;
  --border-strong: #111110;
  --border-dark-hairline: #2C2C2A;
  --border-dark-medium: #484844;

  /* Prominent Constructive Accent (Vivid Architectural Terracotta / Brick Orange) */
  --accent-brick: #D05C33;
  --accent-brick-hover: #B84B24;
  --accent-brick-subtle: #F6E9E4;

  /* Priority Lead Accents */
  --priority-high: #D05C33;
  --priority-high-bg: #F8ECE8;
  --priority-mid: #9E6B28;
  --priority-mid-bg: #F5EEE2;
  --priority-low: #3E5A66;
  --priority-low-bg: #E4ECF0;

  /* Strict Typography Stacks */
  --font-grotesk: 'Inter Tight', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'Space Grotesk', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  /* Layout & Spacing */
  --container-max: 1400px;
  --header-height: 72px;
  --section-space-lg: clamp(72px, 8vw, 120px);
  --section-space-md: clamp(48px, 5vw, 80px);
  --grid-gap: clamp(16px, 2.5vw, 32px);

  /* Precise Mechanical Transitions */
  --transition-fast: 0.14s ease;
  --transition-smooth: 0.25s cubic-bezier(0.2, 0.8, 0.2, 1);
}

/* 2. RESET & BASE (HARD RECTANGULAR EDGES EVERYWHERE) */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  border-radius: 0 !important;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background-color: var(--bg-mineral);
  color: var(--text-ink);
}

body {
  font-family: var(--font-body);
  line-height: 1.55;
  font-weight: 400;
  background-color: var(--bg-mineral);
  color: var(--text-ink);
  position: relative;
}

/* Skip link */
.skip-to-content {
  position: absolute;
  top: -100px;
  left: 20px;
  background: var(--text-ink);
  color: #FFFFFF;
  padding: 10px 18px;
  z-index: 9999;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.8125rem;
  letter-spacing: 0.05em;
  transition: top var(--transition-fast);
  border: 1px solid var(--accent-brick);
}
.skip-to-content:focus {
  top: 20px;
}

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

button, input, select, textarea {
  font: inherit;
  color: inherit;
  border-radius: 0 !important;
}

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

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

ul, ol {
  list-style: none;
}

/* 3. STRUCTURAL UTILITIES & GRID */
.site-container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: clamp(20px, 4vw, 48px);
  padding-right: clamp(20px, 4vw, 48px);
}

.hairline {
  border: none;
  height: 1px;
  background-color: var(--border-hairline);
  margin: 0;
}

.hairline-dark {
  border: none;
  height: 1px;
  background-color: var(--border-dark-hairline);
  margin: 0;
}

/* Technical Label / Bracket Notation (Accentuated) */
.tech-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-brick);
}

.tech-label::before {
  content: '[';
  color: var(--accent-brick);
  font-weight: 800;
}
.tech-label::after {
  content: ']';
  color: var(--accent-brick);
  font-weight: 800;
}

.tech-label-inverse {
  color: var(--accent-brick);
}
.tech-label-inverse::before,
.tech-label-inverse::after {
  color: var(--accent-brick);
}

.section-title-large {
  font-family: var(--font-grotesk);
  font-size: clamp(2.2rem, 4.8vw, 4.2rem);
  font-weight: 800;
  line-height: 0.98;
  letter-spacing: -0.035em;
  text-transform: uppercase;
  color: var(--text-ink);
}

.section-title-large-inverse {
  color: var(--text-inverse);
}

.tabular {
  font-variant-numeric: tabular-nums;
  font-family: var(--font-mono);
}

/* 4. STRUCTURAL BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-grotesk);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 14px 26px;
  border-radius: 0 !important;
  transition: all var(--transition-fast);
  text-transform: uppercase;
  position: relative;
}

.btn-primary {
  background-color: var(--text-ink);
  color: #FFFFFF;
  border: 1px solid var(--text-ink);
}
.btn-primary:hover {
  background-color: var(--accent-brick);
  border-color: var(--accent-brick);
  color: #FFFFFF;
}

.btn-secondary {
  background-color: transparent;
  color: var(--text-ink);
  border: 1px solid var(--border-medium);
}
.btn-secondary:hover {
  background-color: var(--text-ink);
  border-color: var(--text-ink);
  color: #FFFFFF;
}

.btn-terracotta {
  background-color: var(--accent-brick);
  color: #FFFFFF;
  border: 1px solid var(--accent-brick);
}
.btn-terracotta:hover {
  background-color: var(--accent-brick-hover);
  border-color: var(--accent-brick-hover);
}

.btn-inverse {
  background-color: transparent;
  color: var(--text-inverse);
  border: 1px solid var(--border-dark-medium);
}
.btn-inverse:hover {
  background-color: var(--accent-brick);
  border-color: var(--accent-brick);
  color: #FFFFFF;
}

.btn-sm {
  padding: 8px 14px;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
}

.btn svg {
  width: 14px;
  height: 14px;
  transition: transform var(--transition-fast);
}
.btn:hover svg {
  transform: translateX(3px);
}

/* Demo Top Notification Bar */
.demo-banner {
  background-color: var(--bg-mineral-dark);
  border-bottom: 1px solid var(--border-hairline);
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--text-secondary);
  padding: 6px 0;
}
.demo-banner-content {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: clamp(16px, 3vw, 40px);
}
.demo-banner-label {
  color: var(--text-ink);
  font-weight: 700;
  letter-spacing: 0.04em;
  white-space: nowrap;
}
.demo-view-switcher {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}
.demo-view-current {
  color: var(--text-ink);
  font-weight: 700;
}
.demo-view-separator {
  color: var(--border-medium);
}
.demo-crm-link {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--accent-brick);
  text-decoration: underline;
  text-underline-offset: 2px;
  font-size: 0.75rem;
  white-space: nowrap;
}
.demo-crm-link:hover {
  color: var(--accent-brick-hover);
}
.demo-crm-link:focus-visible {
  outline: 2px solid var(--accent-brick);
  outline-offset: 3px;
}

@media (max-width: 420px) {
  .demo-banner-content {
    align-items: flex-start;
    flex-direction: column;
    gap: 2px;
  }
}

/* 5. TECHNICAL STICKY HEADER */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background-color: var(--bg-mineral);
  border-bottom: 1px solid var(--border-hairline);
  transition: padding var(--transition-fast), background-color var(--transition-fast);
  padding: 16px 0;
}

.site-header.scrolled {
  padding: 10px 0;
  background-color: rgba(223, 220, 214, 0.98);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand-mark {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.brand-nexo {
  font-family: var(--font-grotesk);
  font-size: 1.6rem;
  font-weight: 900;
  letter-spacing: -0.04em;
  color: var(--text-ink);
  line-height: 1;
}

.brand-reformas {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--accent-brick);
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.site-nav a {
  font-family: var(--font-grotesk);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-ink);
  position: relative;
  padding: 4px 0;
  transition: color var(--transition-fast);
}

.site-nav a:hover {
  color: var(--accent-brick);
}

.site-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--accent-brick);
  transition: width var(--transition-fast);
}

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

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

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  min-width: 44px;
  min-height: 44px;
  padding: 10px;
  border: 1px solid var(--border-medium);
  cursor: pointer;
}

.mobile-menu-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background-color: var(--text-ink);
}

/* Mobile Nav Drawer */
.mobile-nav-drawer {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background-color: var(--bg-mineral);
  z-index: 999;
  display: flex;
  flex-direction: column;
  padding: 24px;
  transform: translateY(-100%);
  opacity: 0;
  pointer-events: none;
  transition: transform var(--transition-smooth), opacity var(--transition-smooth);
}

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

.mobile-nav-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-hairline);
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 32px;
}

.mobile-nav-links a {
  font-family: var(--font-grotesk);
  font-size: 1.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  color: var(--text-ink);
  border-bottom: 1px solid var(--border-hairline);
  padding-bottom: 10px;
}

.mobile-nav-footer {
  margin-top: auto;
  padding-top: 20px;
  border-top: 1px solid var(--border-hairline);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* 6. STRUCTURAL ARCHITECTURAL HERO SECTION */
.hero-section {
  padding-top: clamp(24px, 3.5vw, 48px);
  padding-bottom: var(--section-space-md);
  border-bottom: 1px solid var(--border-hairline);
  background-color: var(--bg-mineral);
}

.hero-editorial-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 36px);
}

.hero-image-frame {
  position: relative;
  width: 100%;
  height: clamp(400px, 62vh, 680px);
  overflow: hidden;
  border: 1px solid var(--border-hairline);
  border-top: 2px solid var(--accent-brick);
  background-color: var(--bg-graphite);
}

.hero-image-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 35%;
  filter: contrast(106%) saturate(92%);
}

.hero-image-tag {
  position: absolute;
  bottom: 0;
  left: 0;
  background: var(--bg-graphite);
  color: var(--text-inverse);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 8px 16px;
  text-transform: uppercase;
  border-top: 1px solid var(--accent-brick);
  border-right: 1px solid var(--border-dark-hairline);
}

.hero-content-block {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: clamp(20px, 4vw, 56px);
  align-items: end;
  padding-top: 4px;
}

.hero-headline-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.hero-headline {
  font-family: var(--font-grotesk);
  font-size: clamp(2.6rem, 5.8vw, 5rem);
  font-weight: 900;
  line-height: 0.94;
  letter-spacing: -0.04em;
  text-transform: uppercase;
  color: var(--text-ink);
}

.hero-actions-group {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.hero-supporting-copy {
  font-size: clamp(0.9375rem, 1.15vw, 1.0625rem);
  color: var(--text-secondary);
  line-height: 1.5;
  font-weight: 500;
}

.hero-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.hero-metadata-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 20px;
  background-color: var(--bg-mineral-light);
  border: 1px solid var(--border-hairline);
  border-left: 3px solid var(--accent-brick);
  margin-top: clamp(20px, 3vw, 36px);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-ink);
}

/* 7. PROJECTS SECTION (ARCHITECTURAL CASE STUDY / TECHNICAL DOSSIER) */
.projects-section {
  padding-top: var(--section-space-lg);
  padding-bottom: var(--section-space-lg);
  background-color: var(--bg-chalk);
  border-bottom: 1px solid var(--border-hairline);
}

.section-header-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: clamp(36px, 5vw, 64px);
  gap: 24px;
  flex-wrap: wrap;
  border-bottom: 2px solid var(--text-ink);
  padding-bottom: 16px;
}

.projects-feed {
  display: flex;
  flex-direction: column;
  gap: clamp(56px, 7vw, 96px);
}

/* Project 1 Layout: Salamanca */
.project-card-layout-1 {
  display: flex;
  flex-direction: column;
  gap: 16px;
  border: 1px solid var(--border-hairline);
  border-top: 3px solid var(--text-ink);
  background-color: var(--bg-mineral-light);
  padding: clamp(16px, 2.5vw, 28px);
}

.project-card-layout-1:hover {
  border-top-color: var(--accent-brick);
}

.project-img-wrapper {
  position: relative;
  width: 100%;
  overflow: hidden;
  border: 1px solid var(--border-hairline);
  background-color: var(--bg-graphite);
}

.project-img-wrapper img {
  width: 100%;
  height: clamp(360px, 50vh, 560px);
  object-fit: cover;
  filter: contrast(105%);
}

.project-meta-split-1 {
  display: grid;
  grid-template-columns: 1fr 1.4fr 1fr;
  gap: 20px;
  align-items: start;
  padding-top: 14px;
}

.project-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-brick);
  font-weight: 700;
  letter-spacing: 0.1em;
  display: block;
}
.project-title {
  font-family: var(--font-grotesk);
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  color: var(--text-ink);
  margin-top: 2px;
}
.project-loc {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  margin-top: 4px;
}

.project-desc {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

.project-specs-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-ink);
  text-align: right;
}

.project-specs-list span:first-child {
  color: var(--accent-brick);
}

/* Project 2 Layout: Chamberí */
.project-card-layout-2 {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(24px, 4vw, 48px);
  align-items: center;
  border: 1px solid var(--border-hairline);
  border-top: 3px solid var(--text-ink);
  background-color: var(--bg-mineral-light);
  padding: clamp(16px, 2.5vw, 28px);
}

.project-card-layout-2:hover {
  border-top-color: var(--accent-brick);
}

.project-info-col {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.project-specs-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  padding: 16px 0;
  border-top: 1px solid var(--border-hairline);
  border-bottom: 1px solid var(--border-hairline);
}

.spec-item-label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}
.spec-item-value {
  font-family: var(--font-grotesk);
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text-ink);
}

/* Project 3 Layout: Retiro */
.project-card-layout-3 {
  display: flex;
  flex-direction: column;
  gap: 16px;
  border: 1px solid var(--border-hairline);
  border-top: 3px solid var(--text-ink);
  background-color: var(--bg-mineral-light);
  padding: clamp(16px, 2.5vw, 28px);
}

.project-card-layout-3:hover {
  border-top-color: var(--accent-brick);
}

.project-meta-split-3 {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: clamp(20px, 3vw, 40px);
  padding-top: 14px;
}

/* Project Detail Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(20, 20, 19, 0.85);
  backdrop-filter: blur(2px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
}
.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-container {
  background-color: var(--bg-mineral);
  width: 100%;
  max-width: 900px;
  max-height: 90vh;
  overflow-y: auto;
  border: 2px solid var(--accent-brick);
  padding: clamp(24px, 3.5vw, 40px);
  position: relative;
  transform: translateY(12px);
  transition: transform var(--transition-fast);
}
.modal-overlay.active .modal-container {
  transform: translateY(0);
}

.modal-close-btn {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 44px;
  height: 44px;
  min-width: 44px;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--text-ink);
  background: var(--bg-chalk);
  font-family: var(--font-mono);
  font-size: 1.25rem;
  line-height: 1;
  cursor: pointer;
  z-index: 10;
}
.modal-close-btn:hover {
  background-color: var(--accent-brick);
  color: #FFFFFF;
  border-color: var(--accent-brick);
}

/* 8. SERVICES (STRUCTURAL TECHNICAL TABLE INDEX) */
.services-section {
  padding-top: var(--section-space-lg);
  padding-bottom: var(--section-space-lg);
  background-color: var(--bg-mineral-dark);
  border-bottom: 1px solid var(--border-hairline);
}

.services-index-table {
  display: flex;
  flex-direction: column;
  border-top: 2px solid var(--text-ink);
  margin-top: clamp(24px, 4vw, 48px);
}

.service-row {
  display: grid;
  grid-template-columns: 90px 1.4fr 1.8fr 44px;
  gap: clamp(12px, 2.5vw, 32px);
  align-items: center;
  padding: clamp(20px, 2.5vw, 30px) 0;
  border-bottom: 1px solid var(--border-hairline);
  cursor: pointer;
  transition: background-color var(--transition-fast), padding-left var(--transition-fast);
  text-decoration: none;
  color: inherit;
}

.service-row:hover {
  background-color: var(--bg-chalk);
  padding-left: 12px;
  border-left: 3px solid var(--accent-brick);
}

.service-num {
  font-family: var(--font-mono);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--accent-brick);
}

.service-title {
  font-family: var(--font-grotesk);
  font-size: clamp(1.25rem, 2.2vw, 1.875rem);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  color: var(--text-ink);
}

.service-row:hover .service-title {
  color: var(--accent-brick);
}

.service-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.service-arrow {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  color: var(--text-ink);
  font-family: var(--font-mono);
  font-weight: 700;
}

.service-row:hover .service-arrow {
  color: var(--accent-brick);
}

/* 9. PROCESS SECTION (TECHNICAL PROJECT PHASES - INVERTED GRAPHITE) */
.process-section {
  padding-top: var(--section-space-lg);
  padding-bottom: var(--section-space-lg);
  background-color: var(--bg-graphite);
  color: var(--text-inverse);
  border-bottom: 1px solid var(--border-dark-hairline);
}

.process-timeline {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  position: relative;
  margin-top: clamp(40px, 5vw, 64px);
}

.process-timeline::before {
  content: '';
  position: absolute;
  top: 15px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--border-dark-medium);
  z-index: 1;
}

.process-step {
  display: flex;
  flex-direction: column;
  position: relative;
  z-index: 2;
}

.process-step-indicator {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background-color: var(--bg-graphite-surface);
  border: 1.5px solid var(--accent-brick);
  color: var(--accent-brick);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 700;
  margin-bottom: 20px;
}

.process-step:hover .process-step-indicator {
  border-color: var(--accent-brick);
  background-color: var(--accent-brick);
  color: #FFFFFF;
}

.process-step-title {
  font-family: var(--font-grotesk);
  font-size: 1.125rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-inverse);
  margin-bottom: 8px;
}

.process-step-desc {
  font-size: 0.8125rem;
  color: var(--text-inverse-muted);
  line-height: 1.5;
}

/* 10. PROJECT CONFIGURATOR */
.configurator-section {
  padding-top: var(--section-space-lg);
  padding-bottom: var(--section-space-lg);
  background-color: var(--bg-mineral);
  border-bottom: 1px solid var(--border-hairline);
}

.configurator-wrapper {
  max-width: 900px;
  margin: 0 auto;
  border: 2px solid var(--text-ink);
  border-top: 4px solid var(--accent-brick);
  background-color: var(--bg-chalk);
  box-shadow: 6px 6px 0px rgba(17, 17, 16, 0.12);
}

.configurator-header {
  padding: clamp(20px, 3.5vw, 32px);
  border-bottom: 1px solid var(--border-hairline);
  background-color: var(--bg-mineral-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.configurator-header-title h2 {
  font-family: var(--font-grotesk);
  font-size: clamp(1.4rem, 2.4vw, 1.875rem);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  color: var(--text-ink);
}

.configurator-header-title p {
  font-size: 0.8125rem;
  color: var(--accent-brick);
  font-weight: 700;
  font-family: var(--font-mono);
}

.configurator-counter {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 700;
  color: #FFFFFF;
  background-color: var(--accent-brick);
  padding: 6px 14px;
  border: 1px solid var(--accent-brick);
}

.configurator-body {
  padding: clamp(24px, 4vw, 44px);
  min-height: 380px;
}

.config-step {
  display: none;
}
.config-step.active {
  display: block;
}

.config-question-label {
  font-family: var(--font-grotesk);
  font-size: clamp(1.2rem, 2.2vw, 1.6rem);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  color: var(--text-ink);
  margin-bottom: 6px;
}

.config-hint {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  margin-bottom: 20px;
  font-family: var(--font-mono);
}

/* Technical Option Tiles */
.options-grid-2col {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.options-stack {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.option-tile {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  border: 1px solid var(--border-hairline);
  background-color: var(--bg-mineral-light);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: left;
}

.option-tile:hover {
  border-color: var(--accent-brick);
  background-color: var(--bg-mineral);
}

.option-tile.selected {
  border: 2px solid var(--accent-brick);
  background-color: var(--accent-brick-subtle);
  color: var(--text-ink);
}

.option-tile-title {
  font-family: var(--font-grotesk);
  font-size: 0.9375rem;
  font-weight: 700;
  text-transform: uppercase;
}

.option-tile-radio {
  width: 16px;
  height: 16px;
  border: 1.5px solid var(--border-medium);
  display: flex;
  align-items: center;
  justify-content: center;
}

.option-tile.selected .option-tile-radio {
  border-color: var(--accent-brick);
  background-color: var(--accent-brick);
}

.option-tile.selected .option-tile-radio::after {
  content: '';
  width: 6px;
  height: 6px;
  background-color: #FFFFFF;
}

/* Surface Area Slider */
.surface-control-container {
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding: 16px 0;
}

.surface-display-row {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 10px;
  background: var(--bg-mineral-light);
  padding: 16px;
  border: 1px solid var(--border-hairline);
  border-left: 3px solid var(--accent-brick);
}

.surface-number-large {
  font-family: var(--font-mono);
  font-size: clamp(3rem, 5vw, 4rem);
  font-weight: 800;
  color: var(--text-ink);
  line-height: 1;
}

.surface-unit {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--accent-brick);
  text-transform: uppercase;
}

.slider-track-wrap {
  width: 100%;
}

input[type="range"].architectural-slider {
  width: 100%;
  height: 6px;
  -webkit-appearance: none;
  appearance: none;
  background: var(--border-hairline);
  outline: none;
  border: 1px solid var(--border-medium);
}

input[type="range"].architectural-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 22px;
  height: 22px;
  background: var(--accent-brick);
  cursor: pointer;
  border: 2px solid var(--text-ink);
}

.slider-bounds {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-secondary);
  margin-top: 6px;
}

/* Forms & Inputs */
.form-grid-2col {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.form-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-ink);
}

.form-input, .form-textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border-hairline);
  background-color: var(--bg-mineral-light);
  font-family: var(--font-body);
  font-size: 0.875rem;
  color: var(--text-ink);
  transition: border-color var(--transition-fast);
}

.form-input:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--accent-brick);
  background-color: #FFFFFF;
}

.form-input.error, .form-textarea.error {
  border-color: #D32F2F;
}

/* File Dropzone */
.file-dropzone {
  border: 1.5px dashed var(--border-medium);
  padding: clamp(20px, 3.5vw, 36px);
  text-align: center;
  background-color: var(--bg-mineral-light);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.file-dropzone:hover, .file-dropzone.dragover {
  border-color: var(--accent-brick);
  background-color: var(--accent-brick-subtle);
}

.file-dropzone svg {
  width: 28px;
  height: 28px;
  color: var(--accent-brick);
  margin: 0 auto 10px;
}

.file-dropzone-title {
  font-family: var(--font-grotesk);
  font-size: 0.9375rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-ink);
}

.file-dropzone-sub {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--text-secondary);
}

.uploaded-files-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 12px;
}

.uploaded-file-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  background-color: #FFFFFF;
  border: 1px solid var(--border-hairline);
  font-size: 0.75rem;
  font-family: var(--font-mono);
}

.remove-file-btn {
  color: #D32F2F;
  font-weight: 700;
}

/* Privacy */
.privacy-checkbox-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-top: 14px;
}

.privacy-checkbox-row input[type="checkbox"] {
  margin-top: 3px;
  width: 15px;
  height: 15px;
  accent-color: var(--accent-brick);
  cursor: pointer;
}

.privacy-checkbox-row label {
  font-size: 0.75rem;
  color: var(--text-secondary);
  line-height: 1.4;
  cursor: pointer;
}

/* Configurator Footer */
.configurator-footer {
  padding: 16px clamp(20px, 3.5vw, 44px);
  border-top: 1px solid var(--border-hairline);
  background-color: var(--bg-mineral-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

/* 11. LEAD QUALIFICATION SIMULATION & RESULT */
.simulation-screen {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 48px 20px;
  text-align: center;
  min-height: 340px;
}
.simulation-screen.active {
  display: flex;
}

.simulation-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border-hairline);
  border-top-color: var(--accent-brick);
  animation: spin 0.7s linear infinite;
  margin-bottom: 20px;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

.simulation-step-text {
  font-family: var(--font-grotesk);
  font-size: 1.25rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--text-ink);
  margin-bottom: 6px;
}

.simulation-subtext {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-brick);
  font-weight: 700;
}

.qualification-result-screen {
  display: none;
  padding: clamp(20px, 3.5vw, 36px);
  background-color: #FFFFFF;
}
.qualification-result-screen.active {
  display: block;
}

.result-badge-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-hairline);
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.result-priority-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
}

.result-priority-pill.priority-high {
  background-color: var(--priority-high-bg);
  color: var(--priority-high);
  border: 1px solid var(--accent-brick);
}

.result-priority-pill.priority-mid {
  background-color: var(--priority-mid-bg);
  color: var(--priority-mid);
  border: 1px solid var(--priority-mid);
}

.result-priority-pill.priority-low {
  background-color: var(--priority-low-bg);
  color: var(--priority-low);
  border: 1px solid var(--priority-low);
}

.result-dossier-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  background-color: var(--bg-mineral-light);
  border: 1px solid var(--border-hairline);
  border-left: 3px solid var(--accent-brick);
  padding: 16px;
  margin-bottom: 20px;
}

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

.dossier-label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  text-transform: uppercase;
  color: var(--text-muted);
}

.dossier-value {
  font-family: var(--font-grotesk);
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text-ink);
}

.result-demo-disclaimer {
  padding: 12px 16px;
  background-color: var(--bg-mineral);
  border-left: 3px solid var(--accent-brick);
  font-size: 0.75rem;
  color: var(--text-secondary);
  line-height: 1.45;
  margin-bottom: 24px;
}

.result-actions-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
}

/* 12. AUTOMATION SYSTEMS VISUALIZER (DATA ARCHITECTURE) */
.automation-visualizer-section {
  padding-top: var(--section-space-lg);
  padding-bottom: var(--section-space-lg);
  background-color: var(--bg-mineral-dark);
  border-bottom: 1px solid var(--border-hairline);
}

.workflow-pipeline-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 10px;
  margin-top: clamp(32px, 4vw, 48px);
}

.workflow-node {
  background-color: var(--bg-chalk);
  border: 1px solid var(--border-hairline);
  border-top: 2px solid var(--border-hairline);
  padding: 16px 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: all var(--transition-fast);
}

.workflow-node:hover {
  border-color: var(--accent-brick);
  border-top-color: var(--accent-brick);
  background-color: var(--bg-mineral-light);
}

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

.workflow-node-title {
  font-family: var(--font-grotesk);
  font-size: 0.9375rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--text-ink);
  line-height: 1.2;
}

.workflow-node-desc {
  font-size: 0.75rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

.tech-architecture-note {
  margin-top: 24px;
  padding: 14px 18px;
  background-color: var(--bg-chalk);
  border: 1px solid var(--border-hairline);
  border-left: 3px solid var(--accent-brick);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.tech-note-text {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--text-secondary);
}

/* 13. ABOUT SECTION & STUDIO METHODOLOGY */
.about-section {
  padding-top: var(--section-space-lg);
  padding-bottom: var(--section-space-lg);
  background-color: var(--bg-chalk);
  border-bottom: 1px solid var(--border-hairline);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: center;
}

.about-image-frame {
  position: relative;
  width: 100%;
  height: clamp(360px, 48vh, 520px);
  border: 1px solid var(--border-hairline);
  border-left: 3px solid var(--accent-brick);
  background-color: var(--bg-graphite);
}

.about-image-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: contrast(106%);
}

.about-content-col {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.about-headline {
  font-family: var(--font-grotesk);
  font-size: clamp(2rem, 3.8vw, 3.2rem);
  font-weight: 900;
  line-height: 1.02;
  letter-spacing: -0.03em;
  text-transform: uppercase;
  color: var(--text-ink);
}

.about-paragraph {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* 14. OPERATING PRINCIPLES (TECHNICAL RIGOR) */
.principles-section {
  padding-top: var(--section-space-md);
  padding-bottom: var(--section-space-lg);
  background-color: var(--bg-mineral);
  border-bottom: 1px solid var(--border-hairline);
}

.principles-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: clamp(28px, 4vw, 44px);
}

.principle-col {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px;
  background-color: var(--bg-chalk);
  border: 1px solid var(--border-hairline);
  border-top: 3px solid var(--accent-brick);
}

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

.principle-title {
  font-family: var(--font-grotesk);
  font-size: 1.125rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--text-ink);
}

.principle-desc {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* 15. FINAL CALL TO ACTION */
.final-cta-section {
  padding-top: var(--section-space-lg);
  padding-bottom: var(--section-space-lg);
  background-color: var(--bg-graphite);
  color: var(--text-inverse);
  border-top: 2px solid var(--accent-brick);
}

.final-cta-inner {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: clamp(28px, 4vw, 56px);
  align-items: center;
}

.final-cta-headline {
  font-family: var(--font-grotesk);
  font-size: clamp(2.4rem, 4.4vw, 3.8rem);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.03em;
  text-transform: uppercase;
  color: var(--text-inverse);
  margin-bottom: 12px;
}

.final-cta-sub {
  font-size: 1rem;
  color: var(--text-inverse-muted);
  line-height: 1.55;
}

.final-cta-buttons {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* 16. WHATSAPP DIALOG SIMULATION */
.whatsapp-modal {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 350px;
  background-color: #FFFFFF;
  border: 2px solid var(--text-ink);
  border-top: 4px solid var(--accent-brick);
  box-shadow: 8px 8px 0px rgba(0, 0, 0, 0.15);
  z-index: 1000;
  display: none;
  flex-direction: column;
}
.whatsapp-modal.active {
  display: flex;
}

.whatsapp-header {
  background-color: #128C7E;
  color: #FFFFFF;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.whatsapp-header-user {
  display: flex;
  align-items: center;
  gap: 10px;
}

.whatsapp-avatar {
  width: 32px;
  height: 32px;
  background-color: #FFFFFF;
  color: #128C7E;
  font-family: var(--font-mono);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
}

.whatsapp-user-name {
  font-family: var(--font-grotesk);
  font-size: 0.875rem;
  font-weight: 700;
}

.whatsapp-status {
  font-size: 0.6875rem;
  opacity: 0.9;
}

.whatsapp-body {
  padding: 14px;
  background-color: #ECE5DD;
  min-height: 120px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.whatsapp-msg-bubble {
  background-color: #FFFFFF;
  padding: 10px 12px;
  border: 1px solid rgba(0, 0, 0, 0.08);
  font-size: 0.8125rem;
  color: #111B21;
  max-width: 90%;
}

.whatsapp-msg-time {
  font-size: 0.625rem;
  font-family: var(--font-mono);
  color: #667781;
  text-align: right;
  margin-top: 4px;
}

.whatsapp-footer {
  padding: 10px 14px;
  background-color: #F0F2F5;
  border-top: 1px solid var(--border-hairline);
}

/* 17. TECHNICAL FOOTER */
.site-footer {
  padding-top: var(--section-space-lg);
  padding-bottom: 32px;
  background-color: #0E0E0D;
  color: var(--text-inverse);
  border-top: 2px solid var(--accent-brick);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: clamp(20px, 3.5vw, 40px);
  margin-bottom: clamp(32px, 5vw, 56px);
}

.footer-brand-desc {
  font-size: 0.8125rem;
  color: var(--text-inverse-muted);
  max-width: 280px;
  line-height: 1.5;
  margin-top: 8px;
}

.footer-col-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-brick);
  margin-bottom: 12px;
}

.footer-links-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.8125rem;
  color: var(--text-inverse-muted);
}

.footer-links-list a:hover {
  color: #FFFFFF;
}

.footer-bottom-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 20px;
  border-top: 1px solid var(--border-dark-hairline);
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--text-inverse-muted);
  flex-wrap: wrap;
  gap: 14px;
}

.portfolio-disclaimer-pill {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--accent-brick);
  border: 1px solid var(--accent-brick);
  padding: 4px 8px;
  text-transform: uppercase;
}

/* 18. RESPONSIVE BREAKPOINTS (320px, 375px, 768px, 1024px, 1280px) */
@media (max-width: 1024px) {
  .site-nav {
    display: none;
  }
  .mobile-menu-toggle {
    display: flex;
  }
  .hero-content-block {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .project-meta-split-1 {
    grid-template-columns: 1fr 1fr;
  }
  .project-specs-list {
    grid-column: span 2;
    text-align: left;
  }
  .project-card-layout-2 {
    grid-template-columns: 1fr;
  }
  .workflow-pipeline-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .principles-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .hero-image-frame {
    height: 360px;
  }
  .service-row {
    grid-template-columns: 44px 1fr 20px;
    gap: 10px;
  }
  .service-desc {
    grid-column: 2 / span 2;
    margin-top: -4px;
  }
  .process-timeline {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .process-timeline::before {
    top: 0;
    left: 15px;
    width: 2px;
    height: 100%;
  }
  .process-step {
    padding-left: 44px;
    position: relative;
  }
  .process-step-indicator {
    position: absolute;
    left: 0;
    top: 0;
    margin-bottom: 0;
  }
  .options-grid-2col, .form-grid-2col {
    grid-template-columns: 1fr;
  }
  .workflow-pipeline-grid {
    grid-template-columns: 1fr;
  }
  .about-grid {
    grid-template-columns: 1fr;
  }
  .final-cta-inner {
    grid-template-columns: 1fr;
  }
  .result-dossier-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .site-container {
    padding-left: 14px;
    padding-right: 14px;
  }
  .header-actions .btn {
    display: none;
  }
  .hero-cta-row {
    flex-direction: column;
    width: 100%;
  }
  .hero-cta-row .btn {
    width: 100%;
    justify-content: center;
  }
  .hero-metadata-bar {
    font-size: 0.6875rem;
    gap: 6px;
    flex-direction: column;
    align-items: flex-start;
  }
  .project-meta-split-1, .project-meta-split-3 {
    grid-template-columns: 1fr;
  }
  .project-specs-list {
    grid-column: auto;
  }
  .project-meta-split-3 > div:last-child {
    border-left: none !important;
    padding-left: 0 !important;
    border-top: 1px solid var(--border-hairline);
    padding-top: 14px;
  }
  .project-specs-grid {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .service-row {
    grid-template-columns: 28px 1fr 16px;
    gap: 8px;
    padding: 14px 10px;
  }
  .service-desc {
    grid-column: 1 / -1;
    margin-top: 4px;
  }
  .principles-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .whatsapp-modal {
    left: 12px;
    right: 12px;
    width: auto;
    bottom: 12px;
  }
  .configurator-footer .btn {
    min-height: 44px;
    padding: 10px 14px;
  }
  .result-actions-row {
    flex-direction: column;
    width: 100%;
  }
  .result-actions-row .btn, .result-actions-row a.btn {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 375px) {
  .site-container {
    padding-left: 10px;
    padding-right: 10px;
  }
  .brand-nexo {
    font-size: 1.25rem;
  }
  .brand-reformas {
    font-size: 0.5625rem;
    letter-spacing: 0.1em;
  }
  .configurator-header {
    padding: 14px 10px;
  }
  .configurator-body {
    padding: 14px 10px;
  }
  .option-tile {
    padding: 10px 10px;
  }
  .option-tile-title {
    font-size: 0.8125rem;
  }
  .configurator-footer {
    flex-direction: column-reverse;
    gap: 8px;
  }
  .configurator-footer .btn {
    width: 100%;
    justify-content: center;
  }
  .footer-bottom-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
}

@media (max-width: 320px) {
  .hero-headline {
    font-size: 2.1rem;
  }
  .brand-mark {
    gap: 6px;
  }
  .brand-nexo {
    font-size: 1.15rem;
  }
  .brand-reformas {
    display: none;
  }
}

/* ==========================================================================
   19. RESTRAINED ARCHITECTURAL MOTION SYSTEM
   Precise, mechanical, subtle transitions reinforcing architectural identity
   ========================================================================== */

/* 1. Section entrance animation: opacity 0 -> 1, translateY 16px -> 0, 500ms ease-out */
.reveal-init {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1), transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal-init.is-revealed {
  opacity: 1;
  transform: translateY(0);
}

/* 2. Technical divider lines: animate scaleX 0 -> 100% */
.reveal-init .hairline,
.reveal-init .section-header-row,
.reveal-init .services-index-table {
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.55s cubic-bezier(0.16, 1, 0.3, 1) 0.1s;
}

.reveal-init.is-revealed .hairline,
.reveal-init.is-revealed .section-header-row,
.reveal-init.is-revealed .services-index-table {
  transform: scaleX(1);
}

/* 3. Process steps: sequential reveal for 01–05 */
.process-section .process-step {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.45s ease-out, transform 0.45s cubic-bezier(0.16, 1, 0.3, 1);
  transition-delay: calc(var(--step-idx, 0) * 80ms + 100ms);
}

.process-section.is-revealed .process-step {
  opacity: 1;
  transform: translateY(0);
}

/* 4. Project images: subtle scale from 1.02 -> 1 on reveal */
.project-img-wrapper img, .hero-image-frame img, .about-image-frame img {
  transform: scale(1.02);
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.is-revealed .project-img-wrapper img,
.is-revealed .hero-image-frame img,
.is-revealed .about-image-frame img {
  transform: scale(1);
}

/* 5. Buttons/arrows: arrow moves 3-5px horizontally on hover, fast and precise */
.btn svg {
  transition: transform 0.15s ease-out;
}

.btn:hover svg {
  transform: translateX(4px);
}

.service-row .service-arrow {
  transition: transform 0.15s ease-out;
}

.service-row:hover .service-arrow {
  transform: translateX(4px);
}

/* 6. Configurator steps: subtle fade/slide transition between steps */
.config-step.active {
  display: block;
  animation: configStepIn 0.22s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes configStepIn {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 7. Submission result: short sequential reveal */
.qualification-result-screen.active .result-badge-row {
  animation: resultRevealItem 0.35s cubic-bezier(0.16, 1, 0.3, 1) 0.04s both;
}

.qualification-result-screen.active p {
  animation: resultRevealItem 0.35s cubic-bezier(0.16, 1, 0.3, 1) 0.10s both;
}

.qualification-result-screen.active .result-dossier-grid {
  animation: resultRevealItem 0.35s cubic-bezier(0.16, 1, 0.3, 1) 0.18s both;
}

.qualification-result-screen.active .result-demo-disclaimer {
  animation: resultRevealItem 0.35s cubic-bezier(0.16, 1, 0.3, 1) 0.26s both;
}

.qualification-result-screen.active .result-actions-row {
  animation: resultRevealItem 0.35s cubic-bezier(0.16, 1, 0.3, 1) 0.34s both;
}

@keyframes resultRevealItem {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 8. Full prefers-reduced-motion support */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
    transform: none !important;
  }
  .reveal-init {
    opacity: 1 !important;
    transform: none !important;
  }
  .reveal-init .hairline,
  .reveal-init .section-header-row,
  .reveal-init .services-index-table {
    transform: none !important;
  }
  .process-section .process-step {
    opacity: 1 !important;
    transform: none !important;
  }
}