/* ==========================================================================
   Skupina Most - Corporate Website Styles
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Variables / Design System
   -------------------------------------------------------------------------- */
:root {
  /* Brand Colors */
  --primary: #4d4d4d;
  --secondary: #629484;
  --tertiary: #91b2a7;
  
  /* Neutral Colors */
  --white: #ffffff;
  --light-gray: #f5f5f5;
  --medium-gray: #e0e0e0;
  --dark-gray: #333333;
  --black: #1a1a1a;
  
  /* Typography - Based on TT Norms from brand guidelines */
  --font-primary: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-script: 'Dancing Script', cursive;
  
  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.16);
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  
  /* Container */
  --container-max: 1200px;
  --container-padding: 1.5rem;
}

/* --------------------------------------------------------------------------
   Reset & Base Styles
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-primary);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--primary);
  background-color: var(--white);
  overflow-x: hidden;
}

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

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

a:hover {
  color: var(--tertiary);
}

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
  color: var(--dark-gray);
}

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: clamp(1.25rem, 2vw, 1.5rem); }

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

/* --------------------------------------------------------------------------
   Utility Classes
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.section {
  padding: var(--space-xl) 0;
}

.section--gray {
  background-color: var(--light-gray);
}

.section--tertiary {
  background-color: var(--tertiary);
  color: var(--white);
}

.section--tertiary h2,
.section--tertiary h3 {
  color: var(--white);
}

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

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

.section-header h2 {
  margin-bottom: var(--space-sm);
  position: relative;
  display: inline-block;
}

.section-header h2::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: var(--secondary);
}

.section-header p {
  color: var(--primary);
  font-size: 1.1rem;
  max-width: 600px;
  margin: var(--space-md) auto 0;
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  font-family: var(--font-primary);
  font-size: 1rem;
  font-weight: 500;
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-normal);
  text-decoration: none;
}

.btn--primary {
  background-color: var(--secondary);
  color: var(--white);
  border-color: var(--secondary);
}

.btn--primary:hover {
  background-color: transparent;
  color: var(--secondary);
}

.btn--secondary {
  background-color: transparent;
  color: var(--secondary);
  border-color: var(--secondary);
}

.btn--secondary:hover {
  background-color: var(--secondary);
  color: var(--white);
}

.btn--white {
  background-color: var(--white);
  color: var(--secondary);
  border-color: var(--white);
}

.btn--white:hover {
  background-color: transparent;
  color: var(--white);
}

/* --------------------------------------------------------------------------
   Header & Navigation
   -------------------------------------------------------------------------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: var(--white);
  transition: all var(--transition-normal);
}

.header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--secondary);
}

.header.scrolled {
  box-shadow: var(--shadow-md);
}

.header.scrolled::before {
  height: 3px;
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
  transition: padding var(--transition-normal);
}

.header.scrolled .header__inner {
  padding: 0.75rem 0;
}

.logo {
  display: flex;
  align-items: baseline;
  gap: 0.25rem;
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
  text-transform: lowercase;
  letter-spacing: -0.5px;
}

.logo:hover {
  color: var(--secondary);
}

.logo__main {
  color: var(--secondary);
}

.logo__suffix {
  color: var(--primary);
  font-weight: 400;
}

.logo__icon {
  display: none; /* Hidden - using text-based logo per brand guidelines */
}

.nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav__list {
  display: flex;
  gap: 2rem;
}

.nav__link {
  position: relative;
  font-weight: 500;
  color: var(--primary);
  padding: 0.5rem 0;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--secondary);
  transition: width var(--transition-normal);
}

.nav__link:hover::after,
.nav__link.active::after {
  width: 100%;
}

.nav__link:hover {
  color: var(--secondary);
}

/* Company Badge for subsidiary pages */
.company-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.375rem 0.75rem;
  background: var(--tertiary);
  color: var(--white);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
}

/* Brand Slogan */
.slogan {
  font-family: var(--font-script);
  font-size: 1.1rem;
  color: var(--secondary);
  font-weight: 400;
  margin-top: 0.25rem;
}

.hero .slogan {
  font-size: 1.5rem;
  margin-top: var(--space-sm);
}

.footer .slogan {
  font-size: 1rem;
  color: var(--tertiary);
  margin-bottom: var(--space-sm);
}

/* Mobile Menu Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

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

/* Subsidiary Page Header Accent */
.header--programi::before {
  background: linear-gradient(90deg, var(--secondary) 0%, var(--secondary) 30%, var(--tertiary) 100%);
}

.header--ljubljana::before {
  background: linear-gradient(90deg, var(--tertiary) 0%, var(--secondary) 70%, var(--secondary) 100%);
}

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

.hero--main {
  background: linear-gradient(135deg, var(--light-gray) 0%, var(--white) 20%, var(--tertiary) 100%);
}

.hero--subsidiary {
  min-height: 70vh;
  background: linear-gradient(135deg, var(--primary) 0%, var(--dark-gray) 100%);
}

.hero__bg-pattern {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  opacity: 0.05;
  background-image: 
    radial-gradient(circle at 25% 25%, var(--secondary) 2px, transparent 2px),
    radial-gradient(circle at 75% 75%, var(--secondary) 2px, transparent 2px);
  background-size: 60px 60px;
}

.hero__content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
  padding: var(--space-md);
}

.hero__subtitle {
  display: inline-block;
  padding: 0.5rem 1.5rem;
  background: var(--secondary);
  color: var(--white);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-md);
}

.hero__title {
  margin-bottom: var(--space-md);
  color: var(--dark-gray);
}

.hero--subsidiary .hero__title {
  color: var(--white);
}

.hero__description {
  font-size: 1.25rem;
  color: var(--primary);
  margin-bottom: var(--space-lg);
}

.hero--subsidiary .hero__description {
  color: var(--medium-gray);
}

.hero__buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.hero__scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--secondary);
  font-size: 0.875rem;
  animation: bounce 2s infinite;
}

.hero__scroll-indicator svg {
  width: 24px;
  height: 24px;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateX(-50%) translateY(0);
  }
  40% {
    transform: translateX(-50%) translateY(-10px);
  }
  60% {
    transform: translateX(-50%) translateY(-5px);
  }
}

/* --------------------------------------------------------------------------
   About Section
   -------------------------------------------------------------------------- */
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: center;
}

.about__content h2 {
  margin-bottom: var(--space-md);
}

.about__content p {
  color: var(--primary);
  font-size: 1.1rem;
}

.about__image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.about__image::before {
  content: '';
  display: block;
  padding-top: 75%;
  background: linear-gradient(135deg, var(--tertiary), var(--secondary));
}

.about__image-placeholder {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  color: var(--white);
  font-size: 1rem;
  opacity: 0.8;
}

/* Features/Highlights */
.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.feature {
  text-align: center;
  padding: var(--space-md);
}

.feature__icon {
  width: 60px;
  height: 60px;
  margin: 0 auto var(--space-sm);
  background: linear-gradient(135deg, var(--secondary), var(--tertiary));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.5rem;
}

.feature h4 {
  margin-bottom: 0.5rem;
}

.feature p {
  color: var(--primary);
  font-size: 0.95rem;
}

/* --------------------------------------------------------------------------
   Companies Section (Parent Page)
   -------------------------------------------------------------------------- */
.companies__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

.company-card {
  position: relative;
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
}

.company-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
}

.company-card__image {
  position: relative;
  height: 250px;
  background: var(--white);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.company-card__image-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
}

.company-card__content {
  padding: var(--space-md);
  background: var(--secondary);
}

.company-card__title {
  margin-bottom: var(--space-xs);
  color: var(--white);
}

.company-card__description {
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--space-md);
}

.company-card__link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  color: var(--white);
}

.company-card__link:hover {
  color: rgba(255, 255, 255, 0.8);
}

.company-card__link svg {
  transition: transform var(--transition-fast);
}

.company-card:hover .company-card__link svg {
  transform: translateX(5px);
}

/* --------------------------------------------------------------------------
   Services Section
   -------------------------------------------------------------------------- */
.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.service-card {
  background: var(--white);
  padding: var(--space-md);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  border: 1px solid var(--medium-gray);
}

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

.service-card__icon {
  width: 50px;
  height: 50px;
  background: var(--tertiary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
}

.service-card h4 {
  margin-bottom: 0.5rem;
}

.service-card p {
  color: var(--primary);
  font-size: 0.95rem;
  margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   Gallery Section
   -------------------------------------------------------------------------- */
.gallery__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-sm);
}

.gallery__item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 1;
  background: linear-gradient(135deg, var(--tertiary), var(--secondary));
}

.gallery__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

.gallery__item:hover img {
  transform: scale(1.05);
}

.gallery__item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0);
  transition: background var(--transition-normal);
  z-index: 1;
}

.gallery__item:hover::before {
  background: rgba(0, 0, 0, 0.3);
}

.gallery__item-placeholder {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: var(--white);
  font-size: 2rem;
  opacity: 0.5;
}

.gallery__item-overlay {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0);
  z-index: 2;
  color: var(--white);
  font-size: 1.5rem;
  transition: transform var(--transition-normal);
}

.gallery__item:hover .gallery__item-overlay {
  transform: translate(-50%, -50%) scale(1);
}

/* Gallery featured items */
.gallery__item--featured {
  grid-column: span 2;
  grid-row: span 2;
}

/* --------------------------------------------------------------------------
   Jobs/Career Section
   -------------------------------------------------------------------------- */
.jobs__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.job-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--medium-gray);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.job-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--secondary);
  transform: translateY(-5px);
}

.job-card__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-sm);
  flex-wrap: wrap;
  gap: 0.5rem;
}

.job-card__type {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: var(--tertiary);
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.job-card__location {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  color: var(--primary);
  font-size: 0.875rem;
}

.job-card__location svg {
  color: var(--secondary);
}

.job-card__title {
  margin-bottom: var(--space-xs);
  color: var(--dark-gray);
}

.job-card__description {
  color: var(--primary);
  font-size: 0.95rem;
  margin-bottom: var(--space-md);
  flex-grow: 1;
}

.job-card__apply {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  color: var(--secondary);
  padding: 0.5rem 0;
  border-top: 1px solid var(--light-gray);
  margin-top: auto;
}

.job-card__apply svg {
  transition: transform var(--transition-fast);
}

.job-card:hover .job-card__apply svg {
  transform: translateX(5px);
}

.jobs__cta {
  text-align: center;
  margin-top: var(--space-lg);
  padding: var(--space-md);
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.jobs__cta p {
  margin-bottom: var(--space-sm);
  color: var(--primary);
  font-size: 1.1rem;
}

@media (max-width: 1024px) {
  .jobs__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

/* --------------------------------------------------------------------------
   Contact Section
   -------------------------------------------------------------------------- */
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}

.contact__info {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

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

.contact__icon {
  width: 50px;
  height: 50px;
  background: var(--secondary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  flex-shrink: 0;
}

.contact__details h4 {
  margin-bottom: 0.25rem;
}

.contact__details p {
  color: var(--primary);
  margin-bottom: 0;
}

.contact__details a {
  color: var(--secondary);
}

.contact__map {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--light-gray);
  min-height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px dashed var(--medium-gray);
}

.contact__map-placeholder {
  text-align: center;
  color: var(--primary);
}

.contact__map-placeholder svg {
  font-size: 3rem;
  margin-bottom: var(--space-sm);
  color: var(--secondary);
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.footer {
  background: var(--dark-gray);
  color: var(--white);
  padding: var(--space-lg) 0 var(--space-md);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.footer__brand {
  max-width: 300px;
}

.footer__logo {
  display: flex;
  align-items: baseline;
  gap: 0.25rem;
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: var(--space-sm);
  text-transform: lowercase;
  letter-spacing: -0.5px;
}

.footer__logo:hover {
  color: var(--tertiary);
}

.footer__logo .logo__main {
  color: var(--tertiary);
}

.footer__logo .logo__suffix {
  color: var(--white);
  font-weight: 400;
}

.footer__description {
  color: var(--medium-gray);
  font-size: 0.95rem;
}

.footer__column h4 {
  color: var(--white);
  margin-bottom: var(--space-sm);
  font-size: 1rem;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer__links a {
  color: var(--medium-gray);
  font-size: 0.95rem;
  transition: color var(--transition-fast);
}

.footer__links a:hover {
  color: var(--tertiary);
}

.footer__bottom {
  padding-top: var(--space-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.footer__copyright {
  color: var(--medium-gray);
  font-size: 0.875rem;
}

.footer__social {
  display: flex;
  gap: 1rem;
}

.footer__social a {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  transition: all var(--transition-fast);
}

.footer__social a:hover {
  background: var(--secondary);
}

/* --------------------------------------------------------------------------
   Lightbox
   -------------------------------------------------------------------------- */
.lightbox {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.95);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.lightbox.active {
  opacity: 1;
  visibility: visible;
}

.lightbox__content {
  max-width: 90vw;
  max-height: 90vh;
  position: relative;
}

.lightbox__image {
  max-width: 100%;
  max-height: 80vh;
  border-radius: var(--radius-md);
}

.lightbox__close {
  position: absolute;
  top: -40px;
  right: 0;
  background: none;
  border: none;
  color: var(--white);
  font-size: 2rem;
  cursor: pointer;
  transition: color var(--transition-fast);
}

.lightbox__close:hover {
  color: var(--secondary);
}

/* --------------------------------------------------------------------------
   Scroll Animations
   -------------------------------------------------------------------------- */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.fade-in-right {
  opacity: 0;
  transform: translateX(50px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}

.scale-in {
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.scale-in.visible {
  opacity: 1;
  transform: scale(1);
}

/* Staggered animation delays */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }

/* --------------------------------------------------------------------------
   Page Transition Loader
   -------------------------------------------------------------------------- */
.page-loader {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--white);
  z-index: 3000;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.page-loader.hidden {
  opacity: 0;
  visibility: hidden;
}

.page-loader__spinner {
  width: 50px;
  height: 50px;
  border: 3px solid var(--light-gray);
  border-top-color: var(--secondary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

/* --------------------------------------------------------------------------
   Responsive Styles
   -------------------------------------------------------------------------- */

/* Tablet */
@media (max-width: 1024px) {
  .about__grid,
  .contact__grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }
  
  .about__image {
    order: -1;
  }
  
  .features {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .services__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .gallery__grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .footer__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Mobile */
@media (max-width: 768px) {
  :root {
    --space-lg: 3rem;
    --space-xl: 4rem;
  }
  
  .nav__list {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 300px;
    height: 100vh;
    background: var(--white);
    flex-direction: column;
    padding: 6rem var(--space-md) var(--space-md);
    box-shadow: var(--shadow-lg);
    transition: right var(--transition-normal);
  }
  
  .nav__list.active {
    right: 0;
  }
  
  .nav-toggle {
    display: flex;
    z-index: 1001;
  }
  
  .nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  
  .nav-toggle.active span:nth-child(2) {
    opacity: 0;
  }
  
  .nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }
  
  .hero {
    min-height: 90vh;
  }
  
  .hero--subsidiary {
    min-height: 60vh;
  }
  
  .hero__description {
    font-size: 1.1rem;
  }
  
  .features {
    grid-template-columns: 1fr;
  }
  
  .companies__grid {
    grid-template-columns: 1fr;
  }
  
  .services__grid {
    grid-template-columns: 1fr;
  }
  
  .gallery__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .gallery__item--featured {
    grid-column: span 2;
    grid-row: span 1;
  }
  
  .footer__grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }
  
  .footer__bottom {
    flex-direction: column;
    text-align: center;
  }
}

/* Small Mobile */
@media (max-width: 480px) {
  .hero__buttons {
    flex-direction: column;
    width: 100%;
  }
  
  .hero__buttons .btn {
    width: 100%;
  }
  
  .gallery__grid {
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
  }
  
  .gallery__item--featured {
    grid-column: span 2;
  }
}

/* --------------------------------------------------------------------------
   Print Styles
   -------------------------------------------------------------------------- */
@media print {
  .header,
  .footer,
  .hero__scroll-indicator,
  .page-loader {
    display: none;
  }
  
  .hero {
    min-height: auto;
    padding: var(--space-md) 0;
  }
  
  .section {
    padding: var(--space-md) 0;
  }
}