/* ==========================================================================
   ARQ-CA - Arquitectura & Construcció
   Luminous, Warm & Elegant Architectural Design System
   ========================================================================== */

/* 1. DESIGN TOKENS & RESET */
:root {
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Luminous & Warm Architectural Palette (No harsh black) */
  --color-bg-base: #fdfdfc;          /* Pure, bright, luminous canvas */
  --color-bg-warm: #f7f4ee;          /* Gentle warm ivory/limestone */
  --color-bg-subtle: #f0ece3;        /* Warm sand divider */
  --color-surface-white: #ffffff;    /* Crisp, clean card surface */
  
  --color-text-main: #192028;        /* Soft deep charcoal (not pitch black) */
  --color-text-muted: #53606f;       /* Balanced medium gray */
  --color-text-light: #7c8a99;       /* Muted technical gray */
  
  --color-accent: #b57d42;           /* Warm architectural oak / ochre / bronze */
  --color-accent-hover: #9e6831;
  --color-accent-light: #fdf6ee;     /* Warm linen tint */
  --color-accent-border: #ebd9c5;

  --color-teal: #1a6278;             /* Mediterranean architectural slate-teal */
  --color-teal-light: #f0f7f9;

  --color-border-light: #e7e3dc;     /* Warm architectural line */
  --color-border-card: #ece8e1;

  /* Shadows (soft, natural light diffusion) */
  --shadow-sm: 0 2px 8px rgba(35, 45, 55, 0.04);
  --shadow-md: 0 8px 24px rgba(35, 45, 55, 0.06);
  --shadow-lg: 0 16px 40px rgba(35, 45, 55, 0.08);
  --shadow-warm: 0 12px 32px rgba(181, 125, 66, 0.12);

  /* Transitions */
  --trans-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --trans-smooth: 0.35s cubic-bezier(0.16, 1, 0.3, 1);

  /* Layout */
  --container-max: 1240px;
  --header-height: 86px;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-pill: 9999px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-body);
  color: var(--color-text-main);
  background-color: var(--color-bg-base);
  line-height: 1.65;
  overflow-x: hidden;
}

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

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

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

ul {
  list-style: none;
}

button, input, textarea, select {
  font: inherit;
  outline: none;
}

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

/* Typography Helpers */
h1, h2, h3, h4, h5 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--color-text-main);
}

.section-tag {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-accent);
  background: var(--color-accent-light);
  border: 1px solid var(--color-accent-border);
  padding: 4px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 14px;
}

.section-title {
  font-size: clamp(2.1rem, 3.8vw, 3rem);
  color: var(--color-text-main);
  margin-bottom: 16px;
  letter-spacing: -0.025em;
}

.section-desc {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  max-width: 720px;
  margin-bottom: 48px;
  line-height: 1.6;
}

.text-center {
  text-align: center;
}

.text-center .section-desc {
  margin-left: auto;
  margin-right: auto;
}

/* ==========================================================================
   2. HEADER & NAVIGATION
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 1000;
  background-color: rgba(253, 253, 252, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(220, 215, 205, 0.5);
  transition: all var(--trans-smooth);
}

.site-header.scrolled {
  height: 72px;
  background-color: rgba(255, 255, 255, 0.98);
  box-shadow: 0 4px 20px rgba(35, 45, 55, 0.05);
}

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

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo img {
  height: 48px;
  width: auto;
  transition: height var(--trans-smooth);
}

.site-header.scrolled .brand-logo img {
  height: 40px;
}

.brand-meta {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: -0.01em;
  color: var(--color-text-main);
  line-height: 1.1;
}

.brand-tagline {
  font-size: 0.725rem;
  font-weight: 600;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

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

.nav-link {
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--color-text-main);
  position: relative;
  padding: 6px 0;
}

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

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

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

.nav-link-highlight {
  color: var(--color-accent);
  font-weight: 700;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Language Switcher */
.lang-switcher {
  display: flex;
  align-items: center;
  background: var(--color-bg-warm);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-pill);
  padding: 3px;
}

.lang-btn {
  background: none;
  border: none;
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--color-text-muted);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: all var(--trans-fast);
}

.lang-btn.active {
  background: var(--color-surface-white);
  color: var(--color-accent);
  box-shadow: var(--shadow-sm);
}

.btn-header-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-accent);
  color: #fff;
  padding: 10px 22px;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-pill);
  transition: all var(--trans-fast);
  box-shadow: 0 3px 12px rgba(181, 125, 66, 0.22);
}

.btn-header-cta:hover {
  background: var(--color-accent-hover);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(181, 125, 66, 0.32);
}

/* Mobile Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-text-main);
  border-radius: 2px;
  transition: all var(--trans-smooth);
}

.nav-toggle.open span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.open span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* ==========================================================================
   3. HERO SECTION (LUMINOUS, WARM, COMFORTABLE & ELEGANT)
   ========================================================================== */
.hero-section {
  position: relative;
  min-height: 90vh;
  padding-top: calc(var(--header-height) + 40px);
  padding-bottom: 70px;
  display: flex;
  align-items: center;
  background: 
    radial-gradient(circle at 85% 15%, rgba(225, 185, 140, 0.25) 0%, transparent 45%),
    radial-gradient(circle at 10% 85%, rgba(25, 98, 120, 0.08) 0%, transparent 50%),
    linear-gradient(135deg, #ffffff 0%, #fbf9f5 50%, #f6f1e7 100%);
  overflow: hidden;
}

.hero-overlay-grid {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(rgba(181, 125, 66, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(181, 125, 66, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.hero-layout {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-content {
  max-width: 680px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  background: var(--color-surface-white);
  border: 1px solid var(--color-border-light);
  color: var(--color-accent);
  font-size: 0.875rem;
  font-weight: 700;
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
}

.hero-badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-accent);
  box-shadow: 0 0 8px rgba(181, 125, 66, 0.6);
}

.hero-title {
  font-size: clamp(2.4rem, 4.5vw, 3.8rem);
  font-weight: 800;
  line-height: 1.12;
  margin-bottom: 22px;
  letter-spacing: -0.03em;
  color: var(--color-text-main);
}

.hero-title .accent-text {
  display: block;
  color: var(--color-accent);
  font-weight: 700;
}

.hero-desc {
  font-size: 1.2rem;
  line-height: 1.65;
  color: var(--color-text-muted);
  margin-bottom: 36px;
}

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

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--color-accent);
  color: #ffffff;
  font-weight: 700;
  font-size: 1rem;
  padding: 14px 30px;
  border-radius: var(--radius-pill);
  transition: all var(--trans-fast);
  box-shadow: 0 4px 18px rgba(181, 125, 66, 0.28);
}

.btn-primary:hover {
  background: var(--color-accent-hover);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(181, 125, 66, 0.38);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--color-surface-white);
  color: var(--color-text-main);
  border: 1px solid var(--color-border-light);
  font-weight: 600;
  font-size: 1rem;
  padding: 14px 28px;
  border-radius: var(--radius-pill);
  transition: all var(--trans-fast);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  background: var(--color-bg-warm);
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateY(-2px);
}

/* Luminous Hero Visual Frame */
.hero-visual {
  position: relative;
}

.hero-image-frame {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 20px 48px rgba(35, 45, 55, 0.12);
  border: 6px solid #ffffff;
  background: var(--color-bg-warm);
}

.hero-image-frame img {
  width: 100%;
  height: 460px;
  object-fit: cover;
  transition: transform 0.8s ease;
}

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

.hero-floating-badge {
  position: absolute;
  bottom: -22px;
  left: 20px;
  right: 20px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  padding: 16px 20px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border-light);
  display: flex;
  align-items: center;
  gap: 14px;
}

.hero-floating-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: var(--color-accent-light);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.hero-floating-text {
  font-size: 0.925rem;
  font-weight: 700;
  color: var(--color-text-main);
  line-height: 1.35;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 20px;
  padding-top: 28px;
  border-top: 1px solid var(--color-border-light);
}

.stat-item {
  display: flex;
  align-items: center;
  gap: 12px;
}

.stat-icon {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  background: var(--color-accent-light);
  border: 1px solid var(--color-accent-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  flex-shrink: 0;
}

.stat-text {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-text-main);
  line-height: 1.3;
}

/* ==========================================================================
   4. SERVICES SECTION (THE PRIMARY FOCUS)
   ========================================================================== */
.services-section {
  padding: 110px 0;
  background-color: var(--color-bg-warm);
  position: relative;
}

.services-intro-banner {
  background: var(--color-surface-white);
  border-radius: var(--radius-lg);
  padding: 24px 32px;
  margin-bottom: 48px;
  border: 1px solid var(--color-border-light);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  box-shadow: var(--shadow-sm);
}

.services-intro-text {
  display: flex;
  align-items: center;
  gap: 16px;
  color: var(--color-text-main);
  font-weight: 600;
  font-size: 1.05rem;
}

.services-intro-text svg {
  color: var(--color-accent);
  flex-shrink: 0;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 32px;
}

.service-card {
  background: var(--color-surface-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border-card);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: all var(--trans-smooth);
  position: relative;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-accent-border);
}

.service-card-banner {
  height: 140px;
  width: 100%;
  overflow: hidden;
  position: relative;
  background: #eae5dc;
}

.service-card-banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.service-card:hover .service-card-banner img {
  transform: scale(1.06);
}

.service-card-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  box-shadow: var(--shadow-sm);
}

.service-card-body {
  padding: 30px 28px 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.service-header {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 16px;
}

.service-icon-box {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: var(--color-accent-light);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--trans-fast);
}

.service-card:hover .service-icon-box {
  background: var(--color-accent);
  color: #fff;
  transform: rotate(5deg) scale(1.05);
}

.service-title {
  font-size: 1.35rem;
  color: var(--color-text-main);
  line-height: 1.25;
}

.service-short-desc {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  margin-bottom: 22px;
  line-height: 1.5;
}

.service-bullets {
  margin-bottom: 28px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.service-bullets li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--color-text-main);
  line-height: 1.45;
}

.service-bullets li svg {
  flex-shrink: 0;
  color: var(--color-accent);
  margin-top: 3px;
}

.service-cta-btn {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 12px 20px;
  border-radius: var(--radius-pill);
  background: var(--color-bg-warm);
  color: var(--color-text-main);
  font-weight: 700;
  font-size: 0.9rem;
  border: 1px solid var(--color-border-light);
  cursor: pointer;
  transition: all var(--trans-fast);
}

.service-cta-btn:hover {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
  box-shadow: 0 4px 14px rgba(181, 125, 66, 0.25);
}

/* ==========================================================================
   5. ABOUT SECTION (EL DESPATX)
   ========================================================================== */
.about-section {
  padding: 110px 0;
  background-color: var(--color-surface-white);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-images-stack {
  position: relative;
}

.about-main-img {
  width: 100%;
  height: 480px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 5px solid var(--color-surface-white);
}

.about-floating-card {
  position: absolute;
  bottom: -24px;
  right: -20px;
  background: var(--color-surface-white);
  color: var(--color-text-main);
  padding: 22px 26px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  max-width: 270px;
  border: 1px solid var(--color-border-light);
}

.about-floating-card strong {
  display: block;
  font-size: 2rem;
  font-family: var(--font-heading);
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 6px;
}

.about-floating-card span {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.4;
  display: block;
}

.about-text-content p {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  margin-bottom: 20px;
}

.about-pillars {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 30px;
  margin-bottom: 36px;
}

.pillar-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 16px 20px;
  border-radius: var(--radius-md);
  background: var(--color-bg-warm);
  border: 1px solid var(--color-border-light);
  transition: all var(--trans-fast);
}

.pillar-item:hover {
  background: #fff;
  border-color: var(--color-accent-border);
  box-shadow: var(--shadow-sm);
  transform: translateX(4px);
}

.pillar-icon {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  background: var(--color-accent-light);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.pillar-info h4 {
  font-size: 1.05rem;
  color: var(--color-text-main);
  margin-bottom: 4px;
}

.pillar-info p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin: 0;
}

/* ==========================================================================
   6. TEAM SECTION
   ========================================================================== */
.team-section {
  padding: 110px 0;
  background-color: var(--color-bg-warm);
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 36px;
  max-width: 960px;
  margin-left: auto;
  margin-right: auto;
}

.team-card {
  background: var(--color-surface-white);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  border: 1px solid var(--color-border-card);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  transition: all var(--trans-smooth);
}

.team-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-accent-border);
}

.team-avatar-wrapper {
  position: relative;
  width: 148px;
  height: 148px;
  border-radius: 50%;
  overflow: hidden;
  margin-bottom: 22px;
  border: 4px solid var(--color-bg-warm);
  box-shadow: var(--shadow-md);
}

.team-avatar {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.team-card:hover .team-avatar {
  transform: scale(1.05);
}

.team-name {
  font-size: 1.5rem;
  color: var(--color-text-main);
  margin-bottom: 4px;
}

.team-role {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 6px;
}

.team-col-badge {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: var(--radius-pill);
  background: var(--color-accent-light);
  color: var(--color-accent);
  border: 1px solid var(--color-accent-border);
  margin-bottom: 18px;
}

.team-desc {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 22px;
}

.team-contact-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-teal);
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  background: var(--color-teal-light);
  transition: all var(--trans-fast);
}

.team-contact-link:hover {
  background: var(--color-teal);
  color: #fff;
}

/* ==========================================================================
   7. PORTFOLIO SECTION (CURATED & COMPACT)
   ========================================================================== */
.portfolio-section {
  padding: 100px 0;
  background-color: var(--color-surface-white);
}

.portfolio-filters {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-bottom: 40px;
}

.filter-btn {
  background: var(--color-bg-warm);
  border: 1px solid var(--color-border-light);
  padding: 9px 20px;
  border-radius: var(--radius-pill);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all var(--trans-fast);
}

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

.filter-btn.active {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
  box-shadow: 0 2px 10px rgba(181, 125, 66, 0.25);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.project-card {
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-bg-warm);
  box-shadow: var(--shadow-sm);
  transition: all var(--trans-smooth);
}

.project-img-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  cursor: pointer;
}

.project-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.project-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to top, rgba(25, 32, 40, 0.88) 0%, rgba(25, 32, 40, 0.25) 60%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 22px;
  opacity: 0;
  transition: opacity var(--trans-smooth);
}

.project-img-wrapper:hover .project-overlay {
  opacity: 1;
}

.project-img-wrapper:hover .project-img {
  transform: scale(1.08);
}

.project-cat-badge {
  font-size: 0.75rem;
  font-weight: 700;
  color: #f3d4b2;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 4px;
}

.project-title {
  color: #fff;
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 6px;
  line-height: 1.25;
}

.project-location {
  color: #cbd5e1;
  font-size: 0.8125rem;
  display: flex;
  align-items: center;
  gap: 4px;
}

.project-zoom-btn {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(8px);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--trans-fast);
}

.project-zoom-btn:hover {
  background: var(--color-accent);
  transform: scale(1.1);
}

/* ==========================================================================
   8. LIGHTBOX MODAL
   ========================================================================== */
.lightbox-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
}

.lightbox-modal.active {
  display: flex;
}

.lightbox-backdrop {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(25, 32, 40, 0.92);
  backdrop-filter: blur(10px);
}

.lightbox-dialog {
  position: relative;
  z-index: 10;
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.lightbox-img-holder {
  max-width: 85vw;
  max-height: 75vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-img-holder img {
  max-width: 100%;
  max-height: 75vh;
  border-radius: var(--radius-sm);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
  object-fit: contain;
}

.lightbox-caption {
  margin-top: 16px;
  text-align: center;
  color: #fff;
}

.lightbox-caption h4 {
  font-size: 1.25rem;
  color: #fff;
  margin-bottom: 4px;
}

.lightbox-meta {
  display: flex;
  gap: 16px;
  justify-content: center;
  font-size: 0.875rem;
  color: #cbd5e1;
}

.lightbox-close {
  position: absolute;
  top: 24px;
  right: 24px;
  z-index: 20;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  border: none;
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--trans-fast);
}

.lightbox-close:hover {
  background: var(--color-accent);
}

.lightbox-nav-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 20;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  border: none;
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--trans-fast);
}

.lightbox-nav-btn:hover {
  background: var(--color-accent);
}

.lightbox-prev {
  left: 24px;
}

.lightbox-next {
  right: 24px;
}

/* ==========================================================================
   9. CONTACT SECTION
   ========================================================================== */
.contact-section {
  padding: 110px 0;
  background-color: var(--color-bg-warm);
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: 56px;
}

.contact-info-col {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-card {
  padding: 22px 24px;
  border-radius: var(--radius-md);
  background: var(--color-surface-white);
  border: 1px solid var(--color-border-card);
  display: flex;
  gap: 16px;
  align-items: flex-start;
  transition: all var(--trans-fast);
  box-shadow: var(--shadow-sm);
}

.contact-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
}

.contact-card-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--color-accent-light);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-card-content h4 {
  font-size: 1.05rem;
  color: var(--color-text-main);
  margin-bottom: 4px;
}

.contact-card-content p, 
.contact-card-content a {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

.contact-card-content a:hover {
  color: var(--color-accent);
}

.contact-sub-items {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-top: 6px;
}

/* Fast Direct Actions */
.contact-quick-buttons {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 8px;
}

.btn-quick-contact {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 22px;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: 0.95rem;
  transition: all var(--trans-fast);
}

.btn-quick-call {
  background: var(--color-accent);
  color: #fff;
  box-shadow: 0 4px 14px rgba(181, 125, 66, 0.25);
}

.btn-quick-call:hover {
  background: var(--color-accent-hover);
}

.btn-quick-whatsapp {
  background: #25d366;
  color: #fff;
  box-shadow: 0 4px 14px rgba(37, 211, 102, 0.3);
}

.btn-quick-whatsapp:hover {
  background: #20bd5a;
  transform: translateY(-1px);
}

/* Contact Form */
.contact-form-col {
  background: var(--color-surface-white);
  padding: 40px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-card);
  box-shadow: var(--shadow-md);
}

.form-legend {
  font-size: 1.45rem;
  color: var(--color-text-main);
  margin-bottom: 24px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}

.form-label {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-text-main);
}

.form-control {
  width: 100%;
  padding: 13px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border-light);
  background: var(--color-bg-base);
  color: var(--color-text-main);
  font-size: 0.95rem;
  transition: all var(--trans-fast);
}

.form-control:focus {
  background: #fff;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(181, 125, 66, 0.16);
}

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

.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 24px;
}

.form-checkbox input {
  margin-top: 4px;
  accent-color: var(--color-accent);
  width: 18px;
  height: 18px;
}

.form-checkbox label {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  line-height: 1.4;
  cursor: pointer;
}

.btn-submit {
  width: 100%;
  background: var(--color-accent);
  color: #fff;
  border: none;
  padding: 15px 28px;
  font-size: 1rem;
  font-weight: 700;
  border-radius: var(--radius-pill);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: all var(--trans-fast);
  box-shadow: 0 4px 16px rgba(181, 125, 66, 0.28);
}

.btn-submit:hover {
  background: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(181, 125, 66, 0.38);
}

.btn-submit:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}

.form-status {
  display: none;
  padding: 16px;
  border-radius: var(--radius-sm);
  margin-top: 20px;
  font-size: 0.9rem;
  line-height: 1.5;
}

.form-status.success {
  background: #f0fdf4;
  color: #166534;
  border: 1px solid #bbf7d0;
}

.form-status.error {
  background: #fef2f2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

/* ==========================================================================
   10. FOOTER (WARM & ELEGANT ARCHITECTURAL FINISH)
   ========================================================================== */
.site-footer {
  background: #f0ebe2;
  color: var(--color-text-muted);
  padding: 80px 0 30px;
  border-top: 1px solid var(--color-border-light);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.2fr 1.3fr;
  gap: 48px;
  margin-bottom: 50px;
}

.footer-brand img {
  height: 48px;
  width: auto;
  margin-bottom: 18px;
}

.footer-brand p {
  font-size: 0.925rem;
  line-height: 1.6;
  color: var(--color-text-muted);
}

.footer-col h4 {
  font-size: 1rem;
  color: var(--color-text-main);
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col ul a {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  transition: all var(--trans-fast);
}

.footer-col ul a:hover {
  color: var(--color-accent);
  padding-left: 4px;
}

.footer-contact-items {
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 0.875rem;
}

.footer-contact-items li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: var(--color-text-muted);
}

.footer-contact-items svg {
  color: var(--color-accent);
  flex-shrink: 0;
  margin-top: 3px;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  padding-top: 28px;
  border-top: 1px solid rgba(181, 125, 66, 0.15);
  font-size: 0.8125rem;
  color: var(--color-text-light);
}

/* ==========================================================================
   11. RESPONSIVE MEDIA QUERIES
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .hero-visual {
    max-width: 580px;
    margin: 0 auto;
  }
  .about-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .about-images-stack {
    max-width: 560px;
    margin: 0 auto;
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
}

@media (max-width: 868px) {
  .nav-menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    height: calc(100vh - var(--header-height));
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(16px);
    flex-direction: column;
    justify-content: flex-start;
    padding: 40px 24px;
    gap: 20px;
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: all var(--trans-smooth);
    overflow-y: auto;
  }

  .nav-menu.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }

  .nav-toggle {
    display: flex;
  }

  .btn-header-cta {
    display: none;
  }

  .contact-layout {
    grid-template-columns: 1fr;
  }

  .contact-form-col {
    padding: 28px 20px;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }

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

@media (max-width: 640px) {
  .hero-section {
    padding-top: calc(var(--header-height) + 20px);
    padding-bottom: 50px;
  }
  .hero-actions {
    flex-direction: column;
  }
  .btn-primary, .btn-secondary {
    width: 100%;
    justify-content: center;
  }
  .hero-floating-badge {
    position: static;
    margin-top: 14px;
  }
  .footer-top {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .services-grid {
    grid-template-columns: 1fr;
  }
  .portfolio-grid {
    grid-template-columns: 1fr;
  }
}