/* ============================================
   GEOF - Earth/Terrain Design System
   Modern, organic aesthetic for geodetic services
   ============================================ */

/* CSS Variables - Earth Tone Palette */
:root {
  /* Colors - Earth & Stone */
  --color-earth-dark: #2c1810;
  --color-earth: #4a342a;
  --color-terracotta: #c85a3e;
  --color-terracotta-light: #e07a5f;
  --color-olive: #6b7c59;
  --color-olive-light: #8a9a7b;
  --color-ochre: #d4a574;
  --color-sand: #e8d5b7;
  --color-cream: #f5f1e8;
  --color-white: #ffffff;

  /* Typography */
  --font-display: 'Fraunces', serif;
  --font-body: 'Inter', sans-serif;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;

  /* Layout */
  --container-width: 1200px;
  --container-padding: 2rem;

  /* Transitions */
  --transition-fast: 200ms ease;
  --transition-base: 300ms ease;
  --transition-slow: 500ms ease;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(44, 24, 16, 0.08);
  --shadow-md: 0 4px 16px rgba(44, 24, 16, 0.12);
  --shadow-lg: 0 8px 32px rgba(44, 24, 16, 0.16);
}

/* ============================================
   Base Styles & Reset
   ============================================ */

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-earth);
  background: var(--color-cream);
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-earth-dark);
  margin-bottom: var(--space-md);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: 1.25rem; }

p {
  margin-bottom: var(--space-md);
}

a {
  color: var(--color-terracotta);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-terracotta-light);
}

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

/* Container */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

/* ============================================
   Navigation
   ============================================ */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: var(--color-cream);
  box-shadow: var(--shadow-sm);
  z-index: 1000;
  transition: transform var(--transition-base);
}

.nav-container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: var(--space-md) var(--container-padding);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo img {
  height: 40px;
  width: auto;
}

.nav-menu {
  display: flex;
  gap: var(--space-lg);
  list-style: none;
}

.nav-link {
  font-weight: 500;
  color: var(--color-earth);
  padding: var(--space-xs) var(--space-sm);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: var(--space-sm);
  right: var(--space-sm);
  height: 2px;
  background: var(--color-terracotta);
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

.nav-link:hover::after {
  transform: scaleX(1);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-xs);
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-earth);
  transition: all var(--transition-base);
}

/* Mobile Navigation */
@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    background: var(--color-cream);
    flex-direction: column;
    padding: var(--space-lg);
    box-shadow: var(--shadow-md);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition-base);
  }

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

/* ============================================
   Language Switcher
   ============================================ */

.lang-switcher {
  position: relative;
  flex-shrink: 0;
}

.lang-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  background: none;
  border: 1px solid var(--color-sand);
  border-radius: 6px;
  padding: 6px 10px;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-earth);
  transition: border-color var(--transition-fast), background var(--transition-fast);
  white-space: nowrap;
}

.lang-btn:hover {
  border-color: var(--color-ochre);
  background: var(--color-cream);
}

.lang-flag {
  font-size: 1rem;
  line-height: 1;
}

.lang-code {
  letter-spacing: 0.05em;
}

.lang-chevron {
  color: var(--color-olive);
  transition: transform var(--transition-fast);
  flex-shrink: 0;
}

.lang-btn.open .lang-chevron {
  transform: rotate(180deg);
}

.lang-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: var(--color-white);
  border: 1px solid var(--color-sand);
  border-radius: 8px;
  box-shadow: var(--shadow-md);
  min-width: 140px;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-6px);
  transition: opacity var(--transition-fast), transform var(--transition-fast);
  z-index: 200;
}

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

.lang-option {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 10px 14px;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--color-earth);
  text-align: left;
  transition: background var(--transition-fast);
}

.lang-option:hover {
  background: var(--color-cream);
}

.lang-option.active {
  font-weight: 600;
  color: var(--color-terracotta);
  background: rgba(200, 90, 62, 0.05);
}

@media (max-width: 768px) {
  .lang-switcher {
    order: -1; /* sits between logo and hamburger */
    margin-left: auto; /* push it right, burger follows */
    margin-right: var(--space-xs);
  }

  .lang-dropdown {
    right: auto;
    left: 0;
  }
}

@media (max-width: 380px) {
  .lang-code {
    display: none; /* show flag only on very small screens */
  }

  .nav-logo img {
    height: 30px;
  }
}

/* ============================================
   Hero Section
   ============================================ */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  margin-top: 80px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.4) contrast(1.1);
}

/* Topographic contour lines overlay */
.hero-contour {
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 50px,
      rgba(212, 165, 116, 0.08) 50px,
      rgba(212, 165, 116, 0.08) 52px
    ),
    repeating-linear-gradient(
      45deg,
      transparent,
      transparent 80px,
      rgba(212, 165, 116, 0.05) 80px,
      rgba(212, 165, 116, 0.05) 82px
    );
  pointer-events: none;
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  padding: var(--space-2xl) var(--container-padding);
  text-align: center;
}

.hero-badge {
  display: inline-block;
  padding: var(--space-xs) var(--space-md);
  background: rgba(212, 165, 116, 0.2);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(212, 165, 116, 0.3);
  border-radius: 100px;
  color: var(--color-cream);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: var(--space-md);
  animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-title {
  font-size: clamp(1.8rem, 4vw, 3.2rem);
  color: var(--color-white);
  margin-bottom: var(--space-sm);
  line-height: 1.15;
  animation: fadeInUp 0.8s ease 0.4s both;
}

.hero-subtitle {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3vw, 2.5rem);
  color: var(--color-white);
  font-weight: 600;
  line-height: 1.1;
  margin-bottom: var(--space-lg);
  font-style: italic;
  animation: fadeInUp 0.8s ease 0.5s both;
}

.hero-subtitle .hero-accent {
  color: var(--color-terracotta);
  font-style: italic;
  position: relative;
}

.hero-accent {
  color: var(--color-ochre);
  font-style: italic;
  position: relative;
}

.hero-description {
  font-size: 1.125rem;
  color: var(--color-cream);
  max-width: 600px;
  margin: 0 auto var(--space-xl);
  animation: fadeInUp 0.8s ease 0.6s both;
}

.hero-credentials {
  display: block;
  margin: 0 auto var(--space-lg);
  padding: var(--space-md) var(--space-xl);
  background: rgba(20, 40, 80, 0.55);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  border-radius: 6px;
  border-top: 2px solid var(--accent);
  width: fit-content;
  text-align: center;
  animation: fadeInUp 0.8s ease 0.75s both;
}

.hero-credentials-name {
  font-size: 1.25rem;
  font-weight: 600;
  color: #fff;
  letter-spacing: 0.02em;
  margin-bottom: 0.25rem;
}

.hero-credentials-titles {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.75);
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  line-height: 1.5;
}

.credentials-sep {
  display: none;
}

.hero-cta {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease 0.8s both;
}

.hero-scroll {
  position: absolute;
  bottom: var(--space-xl);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
  color: var(--color-cream);
  font-size: 0.875rem;
  opacity: 0.8;
  cursor: pointer;
  animation: bounce 2s infinite;
  z-index: 2;
}

.hero-scroll svg {
  animation: bounceArrow 2s infinite;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(-10px); }
}

@keyframes bounceArrow {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(5px); }
}

/* ============================================
   Buttons
   ============================================ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 1rem 2rem;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: 100px;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  white-space: nowrap;
}

.btn svg {
  transition: transform var(--transition-base);
}

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

.btn-primary {
  background: var(--color-terracotta);
  color: var(--color-white);
  box-shadow: 0 4px 16px rgba(200, 90, 62, 0.3);
}

.btn-primary:hover {
  background: var(--color-terracotta-light);
  box-shadow: 0 6px 24px rgba(200, 90, 62, 0.4);
  transform: translateY(-2px);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  color: var(--color-white);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.25);
  border-color: rgba(255, 255, 255, 0.5);
}

.btn-full {
  width: 100%;
  justify-content: center;
}

/* ============================================
   Info Cards
   ============================================ */

.info-cards {
  position: relative;
  margin-top: calc(var(--space-xl) * -1);
  padding: 0 var(--container-padding) var(--space-3xl);
  z-index: 10;
}

.info-cards .container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
}

.card {
  background: var(--color-white);
  padding: var(--space-xl);
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-base);
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 40px rgba(44, 24, 16, 0.2);
}

.card-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--color-terracotta), var(--color-terracotta-light));
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  margin-bottom: var(--space-md);
}

.card-title {
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
  color: var(--color-earth-dark);
}

.card-text {
  color: var(--color-earth);
  line-height: 1.6;
  margin: 0;
}

.card-text a {
  color: var(--color-terracotta);
  font-weight: 500;
}

/* ============================================
   Sections
   ============================================ */

.section-label {
  display: inline-block;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--color-terracotta);
  margin-bottom: var(--space-sm);
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: var(--space-md);
}

.section-description {
  font-size: 1.125rem;
  color: var(--color-earth);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

/* ============================================
   About Section
   ============================================ */

.about {
  padding: var(--space-3xl) 0;
  background: var(--color-white);
}

.about-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-3xl);
  align-items: center;
}

.about-image {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.about-image img {
  width: 100%;
  height: auto;
  display: block;
}

.about-badge {
  position: absolute;
  top: var(--space-lg);
  right: var(--space-lg);
  background: var(--color-terracotta);
  color: var(--color-white);
  padding: var(--space-sm) var(--space-md);
  border-radius: 100px;
  font-weight: 600;
  font-size: 0.875rem;
  box-shadow: var(--shadow-md);
}

.about-content {
  max-width: 560px;
}

.about-text p {
  margin-bottom: var(--space-lg);
  color: var(--color-earth);
}

/* ============================================
   Services Section
   ============================================ */

.services {
  padding: var(--space-3xl) 0;
  background: var(--color-cream);
  position: relative;
  overflow: hidden;
}

.services::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  width: 200%;
  height: 100%;
  background:
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 100px,
      rgba(107, 124, 89, 0.03) 100px,
      rgba(107, 124, 89, 0.03) 102px
    );
  transform: translateX(-50%) rotate(-2deg);
  pointer-events: none;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
  position: relative;
  z-index: 1;
}

.service-card {
  background: var(--color-white);
  padding: var(--space-xl);
  border-radius: 16px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  border-left: 4px solid transparent;
}

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

.service-number {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-sand);
  line-height: 1;
  margin-bottom: var(--space-md);
  transition: color var(--transition-base);
}

.service-card:hover .service-number {
  color: var(--color-terracotta);
}

/* Featured service card - Legalizacija 2026 */
.service-card--featured {
  grid-column: 1 / -1;
  background: linear-gradient(135deg, var(--color-earth-dark) 0%, #3d2318 100%);
  border-left: 4px solid var(--color-ochre);
  display: flex;
  align-items: center;
  gap: var(--space-2xl);
  padding: var(--space-2xl);
}

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

.service-featured-year {
  font-family: var(--font-display);
  font-size: clamp(4rem, 8vw, 7rem);
  font-weight: 700;
  color: var(--color-ochre);
  line-height: 1;
  opacity: 0.9;
  flex-shrink: 0;
}

.service-featured-body {
  flex: 1;
}

.service-featured-tag {
  display: inline-block;
  background: var(--color-terracotta);
  color: var(--color-white);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 100px;
  margin-bottom: var(--space-sm);
}

.service-card--featured .service-title {
  color: var(--color-white);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
}

.service-card--featured .service-description {
  color: rgba(245, 241, 232, 0.85);
  margin-bottom: var(--space-lg);
}

.btn-featured {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 0.75rem 1.75rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  border: 2px solid var(--color-ochre);
  border-radius: 100px;
  cursor: pointer;
  background: transparent;
  color: var(--color-ochre);
  transition: all var(--transition-base);
  text-decoration: none;
}

.btn-featured:hover {
  background: var(--color-ochre);
  color: var(--color-earth-dark);
}

@media (max-width: 768px) {
  .service-card--featured {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-md);
  }

  .service-featured-year {
    font-size: 4rem;
  }
}

.service-title {
  font-size: 1.25rem;
  margin-bottom: var(--space-md);
  color: var(--color-earth-dark);
  overflow-wrap: break-word;
}

.service-description {
  color: var(--color-earth);
  line-height: 1.7;
  margin: 0;
}

/* ============================================
   Projects Slider
   ============================================ */

.projects {
  padding: var(--space-3xl) 0;
  background: var(--color-white);
}

.slider {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.slider-track {
  position: relative;
  overflow: hidden;
}

.slide {
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-slow);
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
}

.slide.active {
  opacity: 1;
  pointer-events: all;
  position: relative;
}

.project-card {
  background: var(--color-cream);
  padding: var(--space-2xl);
  border-radius: 24px;
  box-shadow: var(--shadow-md);
}

.project-title {
  font-size: 1.75rem;
  margin-bottom: var(--space-md);
  color: var(--color-earth-dark);
}

.project-description {
  color: var(--color-earth);
  margin-bottom: var(--space-lg);
  line-height: 1.8;
}

.project-meta {
  display: flex;
  gap: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid rgba(44, 24, 16, 0.1);
  font-size: 0.875rem;
  color: var(--color-olive);
}

.slider-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}

.slider-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-white);
  border: 2px solid var(--color-sand);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-base);
  color: var(--color-earth);
}

.slider-btn:hover {
  background: var(--color-terracotta);
  border-color: var(--color-terracotta);
  color: var(--color-white);
  transform: scale(1.1);
}

.slider-dots {
  display: flex;
  gap: var(--space-sm);
}

.slider-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-sand);
  cursor: pointer;
  transition: all var(--transition-base);
}

.slider-dot.active {
  background: var(--color-terracotta);
  transform: scale(1.3);
}

/* ============================================
   Clients Marquee
   ============================================ */

/* ============================================
   Coverage Area
   ============================================ */

.coverage {
  padding: var(--space-3xl) 0;
  background: var(--color-white);
}

.coverage-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  margin-top: var(--space-2xl);
}

.coverage-county-name {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-terracotta);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 2px solid var(--color-sand);
}

.coverage-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.coverage-tag {
  display: inline-block;
  padding: 0.35rem 0.85rem;
  background: var(--color-cream);
  border: 1px solid var(--color-sand);
  border-radius: 100px;
  font-size: 0.875rem;
  color: var(--color-earth);
  font-weight: 500;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.coverage-tag:hover {
  background: var(--color-sand);
  border-color: var(--color-ochre);
  color: var(--color-earth-dark);
}

@media (max-width: 640px) {
  .coverage-grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }
}

.clients {
  padding: var(--space-3xl) 0;
  background: var(--color-white);
  overflow: hidden;
}

.clients-marquee {
  position: relative;
  overflow: hidden;
  margin-top: var(--space-2xl);
  /* Fade edges */
  -webkit-mask-image: linear-gradient(
    to right,
    transparent 0%,
    black 8%,
    black 92%,
    transparent 100%
  );
  mask-image: linear-gradient(
    to right,
    transparent 0%,
    black 8%,
    black 92%,
    transparent 100%
  );
}

.clients-track {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  width: max-content;
  animation: marquee 35s linear infinite;
}

/* Pause on hover */
.clients-marquee:hover .clients-track {
  animation-play-state: paused;
}

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

.client-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 72px;
  min-width: 140px;
  padding: 0 var(--space-xl);
  background: var(--color-cream);
  border: 1px solid var(--color-sand);
  border-radius: 12px;
  white-space: nowrap;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-earth);
  transition: all var(--transition-base);
  cursor: default;
  flex-shrink: 0;
}

.client-logo:hover {
  background: var(--color-white);
  border-color: var(--color-ochre);
  color: var(--color-earth-dark);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

/* Logo image inside card */
.client-logo img {
  max-height: 38px;
  max-width: 120px;
  width: auto;
  height: auto;
  object-fit: contain;
  filter: grayscale(100%);
  opacity: 0.7;
  transition: filter var(--transition-base), opacity var(--transition-base);
  display: block;
}

.client-logo:hover img {
  filter: grayscale(0%);
  opacity: 1;
}

/* Text fallback — hidden when image loads successfully */
.client-logo span {
  display: none;
}

/* Shown when image is absent or fails */
.client-logo.text-only span,
.client-logo:not(:has(img)) span {
  display: block;
}

/* Respect reduced motion preference */
@media (prefers-reduced-motion: reduce) {
  .clients-track {
    animation: none;
    flex-wrap: wrap;
    width: 100%;
    justify-content: center;
    padding: 0 var(--container-padding);
  }
}

/* ============================================
   Footer
   ============================================ */

.footer {
  background: var(--color-earth-dark);
  color: var(--color-cream);
  padding: var(--space-3xl) 0 var(--space-lg);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}

.footer-title {
  font-size: 1.5rem;
  color: var(--color-ochre);
  margin-bottom: var(--space-md);
}

.footer-text {
  color: rgba(245, 241, 232, 0.8);
  line-height: 1.7;
}

.footer-heading {
  color: var(--color-ochre);
  font-size: 1rem;
  margin-bottom: var(--space-md);
  font-weight: 600;
}

.footer-list {
  list-style: none;
  padding: 0;
}

.footer-list li {
  margin-bottom: var(--space-sm);
}

.footer-list a {
  color: rgba(245, 241, 232, 0.8);
  transition: color var(--transition-fast);
}

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

.footer-map {
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(245, 241, 232, 0.1);
  font-size: 0.875rem;
  color: rgba(245, 241, 232, 0.6);
}

.back-to-top {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-terracotta);
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-base);
  color: var(--color-white);
}

.back-to-top:hover {
  background: var(--color-terracotta-light);
  transform: translateY(-4px);
}

/* ============================================
   Modal
   ============================================ */

.modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

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

.modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(44, 24, 16, 0.8);
  backdrop-filter: blur(8px);
}

.modal-container {
  position: relative;
  background: var(--color-white);
  border-radius: 24px;
  max-width: 600px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  transform: scale(0.9);
  transition: transform var(--transition-base);
}

.modal.active .modal-container {
  transform: scale(1);
}

.modal-close {
  position: absolute;
  top: var(--space-lg);
  right: var(--space-lg);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-cream);
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-base);
  color: var(--color-earth);
  z-index: 1;
}

.modal-close:hover {
  background: var(--color-terracotta);
  color: var(--color-white);
  transform: rotate(90deg);
}

.modal-content {
  padding: var(--space-3xl) var(--space-2xl);
}

.modal-title {
  font-size: 2rem;
  margin-bottom: var(--space-sm);
}

.modal-description {
  color: var(--color-earth);
  margin-bottom: var(--space-xl);
}

/* ============================================
   Forms
   ============================================ */

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-lg);
}

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

.form-group label {
  font-weight: 500;
  color: var(--color-earth-dark);
  margin-bottom: var(--space-xs);
  font-size: 0.875rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: var(--space-md);
  border: 2px solid var(--color-sand);
  border-radius: 12px;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-earth-dark);
  background: var(--color-cream);
  transition: all var(--transition-base);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-terracotta);
  background: var(--color-white);
}

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

/* ============================================
   Responsive Design
   ============================================ */

@media (max-width: 768px) {
  :root {
    --space-3xl: 4rem;
    --space-2xl: 3rem;
  }

  .hero {
    margin-top: 70px;
  }

  .hero-content {
    padding: var(--space-xl) var(--container-padding);
  }

  .hero-cta {
    flex-direction: column;
  }

  .btn {
    width: 100%;
    justify-content: center;
  }

  .about-grid {
    gap: var(--space-xl);
  }

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

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

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
  }

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

@media (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }

  .section-title {
    font-size: 1.75rem;
  }

  .card {
    padding: var(--space-lg);
  }

  .service-card {
    padding: var(--space-lg);
  }

  .project-card {
    padding: var(--space-lg);
  }

  .modal-content {
    padding: var(--space-xl) var(--space-md);
  }
}

/* ============================================
   Utility Classes
   ============================================ */

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

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