/* ==========================================
   ZIAM LIZA - Diseña & Construye
   Architectural & Landscape Design Landing Page
   ========================================== */

/* ------------------------------------------
   1. VARIABLES & DESIGN SYSTEM
   ------------------------------------------ */
:root {
  /* Brand Palette */
  --color-primary: #e62432;
  --color-primary-dark: #ba1723;
  --color-primary-light: rgba(230, 36, 50, 0.08);
  --color-charcoal: #2b292a;
  --color-black: #171617;
  --color-background: #f7f5f1;
  --color-surface: #ffffff;
  --color-concrete: #e8e5e1;
  --color-text: #2b292a;
  --color-text-muted: #686466;
  --color-border: rgba(43, 41, 42, 0.16);
  --color-border-light: rgba(43, 41, 42, 0.08);
  
  /* Equipment Section Specific Theme */
  --eq-bg: #1e1d1e;
  --eq-surface: #2b292a;
  --eq-text: #f7f5f1;
  --eq-text-muted: #a39e9f;
  --eq-border: rgba(247, 245, 241, 0.14);

  /* Layout & Sizing */
  --container-width: 1240px;
  --header-height: 94px;
  --header-height-scrolled: 76px;
  --radius-sm: 2px;
  --radius-md: 4px;
  --radius-lg: 8px;

  /* Typography */
  --font-main: "Manrope", "Segoe UI", Arial, sans-serif;
  --font-tech: "Courier New", Courier, monospace;

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.6s cubic-bezier(0.16, 1, 0.3, 1);

  /* Shadows */
  --shadow-subtle: 0 4px 20px rgba(0, 0, 0, 0.04);
  --shadow-card: 0 12px 32px rgba(43, 41, 42, 0.06);
  --shadow-modal: 0 24px 60px rgba(0, 0, 0, 0.25);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-main);
  background-color: var(--color-background);
  color: var(--color-text);
  line-height: 1.6;
  font-weight: 400;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body.menu-open,
body.modal-open {
  overflow: hidden;
}

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

button, input, select, textarea {
  font: inherit;
  color: inherit;
  border: none;
  background: none;
}

button {
  cursor: pointer;
}

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

ul, ol {
  list-style: none;
}

/* ------------------------------------------
   3. ACCESSIBILITY & UTILITIES
   ------------------------------------------ */
.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  background: var(--color-primary);
  color: #fff;
  padding: 0.75rem 1.5rem;
  z-index: 9999;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 1rem;
}

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Vector Icon System */
.icon {
  width: 20px;
  height: 20px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.75;
  stroke-linecap: round;
  stroke-linejoin: round;
  display: inline-block;
  vertical-align: middle;
  flex-shrink: 0;
}

.icon-sm {
  width: 16px;
  height: 16px;
}

.icon-lg {
  width: 26px;
  height: 26px;
}

.icon-xl {
  width: 36px;
  height: 36px;
  stroke-width: 1.5;
  color: var(--color-primary);
}

.icon-box {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background-color: rgba(230, 36, 50, 0.08);
  color: var(--color-primary);
  border-radius: var(--radius-sm);
  margin-bottom: 1.25rem;
  border: 1px solid rgba(230, 36, 50, 0.15);
}

.icon-box-dark {
  background-color: rgba(247, 245, 241, 0.06);
  color: var(--color-primary);
  border: 1px solid rgba(247, 245, 241, 0.12);
}

/* ------------------------------------------
   4. LAYOUT & CONTAINERS
   ------------------------------------------ */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.section {
  padding: 4.25rem 0;
  position: relative;
}

.section-bg-concrete {
  background-color: var(--color-concrete);
}

.section-bg-surface {
  background-color: var(--color-surface);
}

/* ------------------------------------------
   5. ARCHITECTURAL GRAPHICS & ACCENTS
   ------------------------------------------ */
.grid-bg-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: 
    linear-gradient(to right, rgba(43, 41, 42, 0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(43, 41, 42, 0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  z-index: 0;
}

.section-header {
  margin-bottom: 2.25rem;
  position: relative;
  z-index: 1;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-primary);
  margin-bottom: 0.75rem;
}

.section-tag::before {
  content: "";
  display: inline-block;
  width: 24px;
  height: 1px;
  background-color: var(--color-primary);
}

.section-title {
  font-size: clamp(1.85rem, 3.5vw, 2.75rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-black);
  letter-spacing: -0.02em;
  max-width: 28ch;
}

.section-desc {
  font-size: 1.0625rem;
  color: var(--color-text-muted);
  max-width: 65ch;
  margin-top: 1rem;
  line-height: 1.7;
}

/* Technical Blueprint Marking Accent */
.tech-mark {
  font-family: var(--font-tech);
  font-size: 0.7rem;
  color: var(--color-text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.7;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 0.9rem 1.75rem;
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  text-align: center;
}

.btn-primary {
  background-color: var(--color-primary);
  color: #ffffff;
  border: 1px solid var(--color-primary);
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  box-shadow: 0 4px 14px rgba(230, 36, 50, 0.3);
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover {
  background-color: var(--color-charcoal);
  color: #ffffff;
  border-color: var(--color-charcoal);
}

.btn-outline-white {
  background-color: transparent;
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-outline-white:hover {
  background-color: #ffffff;
  color: var(--color-black);
  border-color: #ffffff;
}

/* ------------------------------------------
   6. HEADER & NAVIGATION
   ------------------------------------------ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 100;
  transition: height var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
  background-color: rgba(247, 245, 241, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(43, 41, 42, 0.08);
}

.site-header.scrolled {
  height: var(--header-height-scrolled);
  background-color: rgba(255, 255, 255, 0.96);
  box-shadow: 0 2px 16px rgba(0, 0, 0, 0.06);
  border-bottom-color: rgba(43, 41, 42, 0.12);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  z-index: 102;
}

.brand-logo-img {
  height: 68px;
  max-height: 68px;
  width: auto;
  object-fit: contain;
  transition: height var(--transition-fast);
}

.site-header.scrolled .brand-logo-img {
  height: 52px;
  max-height: 52px;
}

.brand-fallback-text {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  color: var(--color-black);
}

.brand-fallback-text span {
  color: var(--color-primary);
}

.nav-desktop {
  display: flex;
  align-items: center;
  gap: 2.25rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav-link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text);
  position: relative;
  padding: 0.35rem 0;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: width var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-primary);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.header-cta {
  display: inline-flex;
  align-items: center;
  padding: 0.6rem 1.25rem;
  font-size: 0.85rem;
}

/* Mobile Navigation Toggle */
.mobile-nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  z-index: 102;
  border-radius: var(--radius-sm);
  background: transparent;
  border: 1px solid var(--color-border);
}

.hamburger-line {
  width: 20px;
  height: 2px;
  background-color: var(--color-black);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.hamburger-line + .hamburger-line {
  margin-top: 5px;
}

.mobile-nav-toggle[aria-expanded="true"] .hamburger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.mobile-nav-toggle[aria-expanded="true"] .hamburger-line:nth-child(2) {
  opacity: 0;
}

.mobile-nav-toggle[aria-expanded="true"] .hamburger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-nav-drawer {
  position: fixed;
  top: var(--header-height);
  left: 0;
  width: 100%;
  height: calc(100vh - var(--header-height));
  background-color: var(--color-surface);
  z-index: 101;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 2.5rem 1.75rem;
  overflow-y: auto;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.mobile-nav-drawer.open {
  opacity: 1;
  visibility: visible;
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  align-items: center;
  text-align: center;
  margin-bottom: 2.5rem;
}

.mobile-nav-link {
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--color-black);
}

.mobile-nav-link:hover {
  color: var(--color-primary);
}

/* ------------------------------------------
   7. HERO SECTION
   ------------------------------------------ */
.hero-section {
  position: relative;
  width: 100%;
  min-height: calc(100vh - var(--header-height));
  padding-top: calc(var(--header-height) + 1.5rem);
  padding-bottom: 3rem;
  display: flex;
  align-items: center;
  box-sizing: border-box;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2.5rem;
  align-items: center;
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero-title {
  font-size: clamp(1.85rem, 3.2vw, 2.75rem);
  font-weight: 800;
  line-height: 1.15;
  color: var(--color-black);
  letter-spacing: -0.025em;
  margin-bottom: 0.85rem;
}

.hero-description {
  font-size: 1rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  max-width: 54ch;
  margin-bottom: 1.25rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-bottom: 1.5rem;
}

.hero-meta {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text-muted);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.hero-meta-dot {
  width: 4px;
  height: 4px;
  background-color: var(--color-primary);
  border-radius: 50%;
}

.hero-visual {
  position: relative;
  z-index: 1;
}

.hero-image-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 4.2;
  max-height: 420px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-border);
  background-color: var(--color-concrete);
}

.hero-image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  transition: transform var(--transition-slow);
}

.hero-image-wrapper:hover img {
  transform: scale(1.03);
}

/* Blueprint overlay tag on image */
.hero-image-tag {
  position: absolute;
  bottom: 1.25rem;
  left: 1.25rem;
  background: rgba(23, 22, 23, 0.88);
  backdrop-filter: blur(8px);
  color: #ffffff;
  padding: 0.6rem 1rem;
  font-family: var(--font-tech);
  font-size: 0.75rem;
  border-left: 2px solid var(--color-primary);
}

.hero-coordinate {
  position: absolute;
  top: -1rem;
  right: -1rem;
  font-family: var(--font-tech);
  font-size: 0.7rem;
  color: var(--color-text-muted);
  letter-spacing: 0.1em;
}

/* ------------------------------------------
   8. ARCHITECT PRESENTATION (#estudio)
   ------------------------------------------ */
.architect-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 4rem;
  align-items: center;
}

.architect-portrait {
  position: relative;
}

.architect-img-box {
  position: relative;
  width: 100%;
  aspect-ratio: 3 / 4;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background-color: var(--color-concrete);
  border: 1px solid var(--color-border);
}

.architect-img-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 15%;
}

.architect-technical-frame {
  position: absolute;
  top: -12px;
  left: -12px;
  width: calc(100% + 24px);
  height: calc(100% + 24px);
  border: 1px dashed rgba(43, 41, 42, 0.2);
  pointer-events: none;
  z-index: 0;
}

.architect-bio {
  position: relative;
  z-index: 1;
}

.architect-quote {
  font-size: 1.2rem;
  line-height: 1.75;
  color: var(--color-text);
  margin-bottom: 1.75rem;
  font-weight: 400;
  position: relative;
  padding-left: 1.5rem;
  border-left: 3px solid var(--color-primary);
}

.architect-quote p + p {
  margin-top: 1.25rem;
}

.architect-signature-block {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
}

.architect-name {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-black);
}

.architect-role {
  font-size: 0.875rem;
  color: var(--color-primary);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-top: 0.2rem;
}

/* ------------------------------------------
   9. SUSTAINABLE APPROACH
   ------------------------------------------ */
.sustainable-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  margin-top: 3rem;
}

.sustainable-card {
  background-color: var(--color-surface);
  padding: 2.25rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  position: relative;
  transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.sustainable-card:hover {
  transform: translateY(-3px);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-card);
}

.sustainable-number {
  font-family: var(--font-tech);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 1rem;
  display: block;
}

.sustainable-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-black);
  margin-bottom: 0.75rem;
}

.sustainable-card-desc {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* ------------------------------------------
   CAROUSEL COMPONENT SYSTEM (WITH SIDE BUTTONS)
   ------------------------------------------ */
.carousel-wrapper {
  position: relative;
  width: 100%;
  padding: 0 3.25rem;
}

.carousel-viewport {
  overflow: hidden;
  width: 100%;
  padding: 0.5rem 0;
}

.carousel-track {
  display: flex;
  gap: 1.75rem;
  transition: transform var(--transition-normal);
  will-change: transform;
}

/* Slide sizing for Services (2 per view on desktop, 1 on mobile) */
.services-carousel .carousel-slide {
  flex: 0 0 calc(50% - 0.875rem);
  min-width: 0;
}

/* Slide sizing for Projects & Equipment (3 per view on desktop, 2 on tablet, 1 on mobile) */
.projects-carousel .carousel-slide,
.equipment-carousel .carousel-slide {
  flex: 0 0 calc(33.333% - 1.166rem);
  min-width: 0;
}

/* Side Carousel Arrow Buttons */
.carousel-btn {
  position: absolute;
  top: 42%;
  transform: translateY(-50%);
  z-index: 10;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background-color: var(--color-surface);
  color: var(--color-black);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}

.carousel-btn.carousel-prev {
  left: 0;
}

.carousel-btn.carousel-next {
  right: 0;
}

.carousel-btn:hover {
  background-color: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary);
  box-shadow: 0 6px 20px rgba(230, 36, 50, 0.35);
  transform: translateY(-50%) scale(1.06);
}

.carousel-btn:disabled {
  opacity: 0.25;
  cursor: not-allowed;
  pointer-events: none;
  box-shadow: none;
}

/* Dark theme carousel controls for Equipment section */
.carousel-btn-dark {
  border-color: var(--eq-border);
  background-color: var(--eq-surface);
  color: #ffffff;
}

.carousel-btn-dark:hover {
  background-color: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary);
}

.carousel-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 1.5rem;
}

.carousel-dots {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.carousel-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-border);
  border: none;
  padding: 0;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.carousel-dot.active {
  width: 24px;
  border-radius: 4px;
  background-color: var(--color-primary);
}

/* Dark theme dots */
.section-equipment .carousel-dot {
  background-color: var(--eq-border);
}

.section-equipment .carousel-dot.active {
  background-color: var(--color-primary);
}

@media (max-width: 1024px) {
  .projects-carousel .carousel-slide,
  .equipment-carousel .carousel-slide {
    flex: 0 0 calc(50% - 0.875rem);
  }
}

@media (max-width: 768px) {
  .carousel-wrapper {
    padding: 0 2.25rem;
  }
  
  .carousel-btn {
    width: 38px;
    height: 38px;
  }

  .services-carousel .carousel-slide,
  .projects-carousel .carousel-slide,
  .equipment-carousel .carousel-slide {
    flex: 0 0 100%;
  }
}

/* ------------------------------------------
   10. MAIN SERVICES (#servicios)
   ------------------------------------------ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.service-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
  border-color: var(--color-primary);
}

.service-img-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background-color: var(--color-concrete);
}

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

.service-card:hover .service-img-wrapper img {
  transform: scale(1.05);
}

.service-number {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background-color: rgba(23, 22, 23, 0.85);
  color: #ffffff;
  font-family: var(--font-tech);
  font-size: 0.8125rem;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-sm);
}

.service-content {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.service-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-black);
  margin-bottom: 0.75rem;
}

.service-desc {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.65;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.service-action {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: gap var(--transition-fast);
}

.service-card:hover .service-action {
  gap: 0.75rem;
}

/* ------------------------------------------
   11. RELATED DEMONSTRATIVE SERVICES
   ------------------------------------------ */
.related-services-block {
  margin-top: 4.5rem;
  padding: 2.5rem;
  background-color: var(--color-concrete);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}

.related-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2rem;
}

.demo-badge {
  font-family: var(--font-tech);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background-color: rgba(43, 41, 42, 0.08);
  color: var(--color-text-muted);
  padding: 0.35rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.related-item {
  background-color: var(--color-surface);
  padding: 1.5rem;
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--color-primary);
}

.related-item-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-black);
}

/* ------------------------------------------
   12. PROJECTS GALLERY (#proyectos)
   ------------------------------------------ */
.projects-filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2.5rem;
}

.filter-btn {
  padding: 0.6rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 600;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  background-color: var(--color-surface);
  transition: all var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
  background-color: var(--color-black);
  color: #ffffff;
  border-color: var(--color-black);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.project-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: opacity var(--transition-normal), transform var(--transition-normal), box-shadow var(--transition-fast);
  cursor: pointer;
}

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

.project-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

.project-img-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background-color: var(--color-concrete);
}

.project-img-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.project-card:hover .project-img-wrapper img {
  transform: scale(1.06);
}

.project-info {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.project-category {
  font-family: var(--font-tech);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.project-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-black);
  margin-bottom: 1rem;
}

.project-action-btn {
  margin-top: auto;
  align-self: flex-start;
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.project-card:hover .project-action-btn {
  color: var(--color-primary);
}

/* ------------------------------------------
   13. TRUST SECTION
   ------------------------------------------ */
.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.75rem;
  margin-top: 3rem;
}

.trust-item {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 2.25rem 1.75rem;
  border-radius: var(--radius-sm);
  position: relative;
  border-top: 3px solid var(--color-charcoal);
  transition: border-top-color var(--transition-fast), transform var(--transition-fast);
}

.trust-item:hover {
  border-top-color: var(--color-primary);
  transform: translateY(-3px);
}

.trust-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-black);
  margin-bottom: 0.85rem;
}

.trust-desc {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ------------------------------------------
   14. EQUIPMENT RENTAL (#equipos) (Dark Visual Theme)
   ------------------------------------------ */
.section-equipment {
  background-color: var(--eq-bg);
  color: var(--eq-text);
  border-top: 1px solid var(--color-black);
  border-bottom: 1px solid var(--color-black);
}

.section-equipment .section-title {
  color: #ffffff;
}

.section-equipment .section-desc {
  color: var(--eq-text-muted);
}

.equipment-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 3.5rem;
}

.equipment-card {
  background-color: var(--eq-surface);
  border: 1px solid var(--eq-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.equipment-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-primary);
}

.equipment-img-box {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  background-color: #171617;
  overflow: hidden;
}

.equipment-img-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.equipment-card:hover .equipment-img-box img {
  transform: scale(1.05);
}

.equipment-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: rgba(230, 36, 50, 0.9);
  color: #ffffff;
  font-family: var(--font-tech);
  font-size: 0.75rem;
  padding: 0.3rem 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.equipment-body {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.equipment-category {
  font-family: var(--font-tech);
  font-size: 0.75rem;
  color: var(--eq-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.4rem;
}

.equipment-name {
  font-size: 1.2rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.75rem;
}

.equipment-detail {
  font-size: 0.925rem;
  color: var(--eq-text-muted);
  line-height: 1.6;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.equipment-btn {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 0.85rem;
}

.equipment-price-chip {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: rgba(17, 17, 18, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: #ffd166;
  font-family: var(--font-tech);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 0.35rem 0.7rem;
  letter-spacing: 0.04em;
}

.equipment-pricing {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 1.25rem;
}

.equipment-pricing span {
  font-size: 0.85rem;
  color: var(--eq-text-muted);
  background: rgba(230, 36, 50, 0.08);
  border: 1px solid rgba(230, 36, 50, 0.25);
  padding: 0.3rem 0.6rem;
  border-radius: 4px;
}

.equipment-pricing span strong {
  color: #ffffff;
  font-size: 0.95rem;
}

.modal-price {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin: 1rem 0 1.25rem;
}

.modal-price span {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  background: rgba(230, 36, 50, 0.1);
  border: 1px solid rgba(230, 36, 50, 0.3);
  padding: 0.4rem 0.8rem;
  border-radius: 4px;
}

.modal-price span strong {
  color: #ffd166;
  font-family: var(--font-tech);
  margin-right: 0.25rem;
}

/* ------------------------------------------
   SERVICE PRICING PLAN TABLE
   ------------------------------------------ */
.pricing-block {
  margin-top: 3.5rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--color-border);
}

.pricing-table {
  margin-top: 2rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.pricing-row {
  display: grid;
  grid-template-columns: 1.1fr 2.2fr 1.2fr auto;
  gap: 1rem;
  align-items: center;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--color-border);
  transition: background-color var(--transition-fast);
}

.pricing-row:last-child {
  border-bottom: none;
}

.pricing-row:hover {
  background-color: rgba(230, 36, 50, 0.04);
}

.pricing-row-head {
  background-color: var(--color-surface);
  font-family: var(--font-tech);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
}

.pricing-plan {
  font-weight: 700;
  color: #171617;
}

.pricing-scope {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

.pricing-price {
  font-family: var(--font-tech);
  font-weight: 700;
  color: #171617;
  white-space: nowrap;
}

.pricing-note {
  margin-top: 1.25rem;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  font-style: italic;
}

.btn-sm {
  padding: 0.5rem 0.9rem;
  font-size: 0.8rem;
  white-space: nowrap;
}

@media (max-width: 768px) {
  .pricing-row {
    grid-template-columns: 1fr 1fr;
  }

  .pricing-row-head span:nth-child(3),
  .pricing-row-head span:nth-child(4) {
    display: none;
  }

  .pricing-row .pricing-price {
    text-align: right;
  }

  .pricing-row .btn-sm {
    grid-column: 1 / -1;
    width: 100%;
    justify-content: center;
  }
}

/* ------------------------------------------
   15. TESTIMONIALS / RECOMMENDATIONS
   ------------------------------------------ */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 3rem;
}

.testimonial-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 2.25rem;
  border-radius: var(--radius-sm);
  position: relative;
  display: flex;
  flex-direction: column;
}

.testimonial-quote {
  font-size: 1rem;
  font-style: italic;
  color: var(--color-text);
  line-height: 1.7;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.testimonial-author {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.testimonial-author::before {
  content: "";
  display: inline-block;
  width: 12px;
  height: 1px;
  background-color: var(--color-primary);
}

/* ------------------------------------------
   16. CONTACT & SCHEDULING (#contacto)
   ------------------------------------------ */
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 4rem;
  align-items: start;
}

.contact-info-block {
  padding-right: 1rem;
}

.contact-direct-actions {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 2rem;
}

.contact-direct-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-weight: 700;
  transition: all var(--transition-fast);
}

.contact-direct-btn:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-card);
  transform: translateX(4px);
}

.contact-form-card {
  background-color: var(--color-surface);
  padding: 2.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-subtle);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-black);
  margin-bottom: 0.5rem;
}

.form-label .required {
  color: var(--color-primary);
}

.form-control {
  width: 100%;
  padding: 0.85rem 1rem;
  font-size: 1rem;
  background-color: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-black);
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.form-control:focus {
  background-color: #ffffff;
  border-color: var(--color-primary);
  outline: none;
}

.form-control[aria-invalid="true"] {
  border-color: var(--color-primary);
  background-color: rgba(230, 36, 50, 0.03);
}

.form-error {
  display: none;
  font-size: 0.8rem;
  color: var(--color-primary);
  margin-top: 0.35rem;
}

.form-control[aria-invalid="true"] + .form-error {
  display: block;
}

textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

/* Floating WhatsApp Button */
.floating-whatsapp {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 56px;
  height: 56px;
  background-color: #25d366;
  color: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
  z-index: 90;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.floating-whatsapp:hover {
  transform: scale(1.08);
  box-shadow: 0 8px 26px rgba(37, 211, 102, 0.5);
}

.floating-whatsapp svg {
  width: 28px;
  height: 28px;
  fill: currentColor;
}

/* ------------------------------------------
   17. FOOTER
   ------------------------------------------ */
.site-footer {
  background-color: var(--color-black);
  color: #ffffff;
  padding-top: 5rem;
  padding-bottom: 3rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 3.5rem;
  margin-bottom: 4rem;
}

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

.footer-logo {
  height: 74px;
  max-height: 74px;
  width: auto;
  object-fit: contain;
}

.footer-tagline {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.6;
  max-width: 32ch;
}

.footer-title {
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #ffffff;
  margin-bottom: 1.25rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-link {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.65);
  transition: color var(--transition-fast);
}

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

.footer-notice-box {
  background-color: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 1rem 1.25rem;
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.5;
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
}

/* ------------------------------------------
   18. MODALS (ACCESSIBLE DIALOG / MODAL)
   ------------------------------------------ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(23, 22, 23, 0.85);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1.5rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

.modal-container {
  background-color: var(--color-surface);
  border-radius: var(--radius-sm);
  max-width: 840px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  box-shadow: var(--shadow-modal);
  transform: translateY(20px);
  transition: transform var(--transition-normal);
  border: 1px solid var(--color-border);
}

.modal-overlay.open .modal-container {
  transform: translateY(0);
}

.modal-close-btn {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: rgba(23, 22, 23, 0.7);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  transition: background-color var(--transition-fast);
}

.modal-close-btn:hover {
  background-color: var(--color-primary);
}

.modal-body {
  padding: 2.5rem;
}

.modal-image-wrapper {
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: var(--radius-sm);
  margin-bottom: 1.75rem;
  background-color: var(--color-concrete);
}

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

.modal-meta-category {
  font-family: var(--font-tech);
  font-size: 0.8rem;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
}

.modal-title {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--color-black);
  margin-bottom: 1rem;
}

.modal-description {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: 2rem;
}

/* ------------------------------------------
   19. TOAST NOTIFICATIONS
   ------------------------------------------ */
.toast-container {
  position: fixed;
  bottom: 2rem;
  left: 2rem;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  pointer-events: none;
}

.toast-message {
  background-color: var(--color-black);
  color: #ffffff;
  padding: 1rem 1.5rem;
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-sm);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
  font-size: 0.9rem;
  font-weight: 500;
  pointer-events: auto;
  transform: translateX(-100%);
  opacity: 0;
  transition: transform var(--transition-normal), opacity var(--transition-normal);
  max-width: 380px;
}

.toast-message.show {
  transform: translateX(0);
  opacity: 1;
}

/* ------------------------------------------
   20. ARCHITECTURAL PLACEHOLDER STYLES
   ------------------------------------------ */
.architectural-placeholder {
  width: 100%;
  height: 100%;
  min-height: 240px;
  background-color: var(--color-charcoal);
  color: #ffffff;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  text-align: center;
  position: relative;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 24px 24px;
}

.placeholder-icon {
  width: 44px;
  height: 44px;
  stroke: var(--color-primary);
  stroke-width: 1.5;
  margin-bottom: 0.75rem;
}

.placeholder-title {
  font-family: var(--font-tech);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #ffffff;
}

.placeholder-sub {
  font-size: 0.75rem;
  color: var(--color-concrete);
  margin-top: 0.25rem;
  opacity: 0.7;
}

/* ------------------------------------------
   21. RESPONSIVE BREAKPOINTS & FLUID MEDIA QUERIES
   ------------------------------------------ */
/* 1366px and below */
@media (max-width: 1366px) {
  :root {
    --container-width: 1140px;
  }
}

/* 1024px (Laptops / Tablets landscape) */
@media (max-width: 1024px) {
  :root {
    --header-height: 72px;
    --header-height-scrolled: 60px;
  }

  .brand-logo-img {
    height: 48px;
    max-height: 48px;
  }

  .site-header.scrolled .brand-logo-img {
    height: 42px;
    max-height: 42px;
  }

  .mobile-nav-drawer {
    top: var(--header-height);
    height: calc(100vh - var(--header-height));
    padding: 2.25rem 1.5rem;
  }

  .hero-section {
    min-height: auto;
    padding-top: calc(var(--header-height) + 1.5rem);
    padding-bottom: 3rem;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2.25rem;
  }

  .hero-image-wrapper {
    aspect-ratio: 16 / 10;
    max-height: 380px;
  }

  .hero-coordinate {
    position: relative;
    top: auto;
    right: auto;
    margin-top: 0.5rem;
    text-align: right;
  }

  .architect-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .architect-portrait {
    max-width: 440px;
    margin: 0 auto;
  }

  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .equipment-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .related-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .trust-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .projects-carousel .carousel-slide,
  .equipment-carousel .carousel-slide {
    flex: 0 0 calc(50% - 0.875rem);
  }
}

/* 768px (Tablets portrait) */
@media (max-width: 768px) {
  :root {
    --header-height: 64px;
    --header-height-scrolled: 54px;
  }

  .nav-desktop {
    display: none;
  }

  .mobile-nav-toggle {
    display: flex;
    width: 40px;
    height: 40px;
  }

  .brand-logo-img {
    height: 42px;
    max-height: 42px;
  }

  .site-header.scrolled .brand-logo-img {
    height: 36px;
    max-height: 36px;
  }

  .section {
    padding: 3.25rem 0;
  }

  .hero-section {
    padding-top: calc(var(--header-height) + 1.25rem);
    padding-bottom: 2.5rem;
  }

  .hero-title {
    font-size: clamp(1.55rem, 5.2vw, 2.15rem);
    line-height: 1.22;
    margin-bottom: 0.75rem;
  }

  .hero-description {
    font-size: 0.9375rem;
    line-height: 1.55;
    margin-bottom: 1.15rem;
  }

  .hero-actions {
    gap: 0.75rem;
    margin-bottom: 1.25rem;
  }

  .hero-meta {
    flex-wrap: wrap;
    gap: 0.5rem 0.75rem;
    font-size: 0.725rem;
    padding-top: 0.85rem;
  }

  .hero-meta-dot {
    display: none;
  }

  .hero-image-wrapper {
    aspect-ratio: 16 / 10;
    max-height: 300px;
  }

  .hero-image-tag {
    bottom: 0.75rem;
    left: 0.75rem;
    padding: 0.45rem 0.75rem;
    font-size: 0.7rem;
    max-width: calc(100% - 1.5rem);
  }

  .sustainable-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .testimonials-grid {
    grid-template-columns: 1fr;
  }

  .equipment-grid {
    grid-template-columns: 1fr;
  }

  .contact-form-card {
    padding: 1.5rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
    gap: 0.5rem;
  }

  /* Carousel Responsive Adjustments */
  .carousel-wrapper {
    padding: 0 2rem;
  }

  .carousel-btn {
    width: 36px;
    height: 36px;
  }

  .services-carousel .carousel-slide,
  .projects-carousel .carousel-slide,
  .equipment-carousel .carousel-slide {
    flex: 0 0 100%;
  }

  .projects-filter-bar {
    justify-content: flex-start;
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: 0.5rem;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .projects-filter-bar::-webkit-scrollbar {
    display: none;
  }

  .filter-btn {
    flex: 0 0 auto;
    white-space: nowrap;
    padding: 0.5rem 1rem;
    font-size: 0.8125rem;
  }

  /* Modal Mobile Optimizations */
  .modal-overlay {
    padding: 1rem 0.75rem;
  }

  .modal-container {
    max-height: 88vh;
    width: 95vw;
  }

  .modal-body {
    padding: 1.5rem 1.25rem;
  }
}

/* 480px and below (Mobile portrait) */
@media (max-width: 480px) {
  .container {
    padding-left: 1.15rem;
    padding-right: 1.15rem;
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

  .hero-actions .btn {
    width: 100%;
    justify-content: center;
    text-align: center;
  }

  .hero-image-wrapper {
    aspect-ratio: 4 / 3;
    max-height: 250px;
  }

  .hero-coordinate {
    display: none;
  }

  .architect-portrait {
    max-width: 100%;
  }

  .projects-grid {
    grid-template-columns: 1fr;
  }

  .related-grid {
    grid-template-columns: 1fr;
  }

  .trust-grid {
    grid-template-columns: 1fr;
  }

  .carousel-wrapper {
    padding: 0 1.75rem;
  }

  .carousel-btn.carousel-prev {
    left: -4px;
  }

  .carousel-btn.carousel-next {
    right: -4px;
  }

  .contact-direct-btn {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
}

/* Reduced Motion preference */
@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;
  }
}