/* ============================================
   THE LYOHESS - Design System & Styles
   Premium Decorative Finishes
   ============================================ */

/* ============================================
   CSS CUSTOM PROPERTIES (Design Tokens)
   ============================================ */
:root {
  /* Colors - Marble/Cement inspired palette */
  --color-primary: #2D2D2D;
  --color-secondary: #4A4A4A;
  --color-tertiary: #8B8B8B;
  --color-accent: #B8A398;
  --color-accent-light: #D4C4B5;
  --color-background: #F5F5F5;
  --color-background-alt: #E8E8E8;
  --color-white: #FFFFFF;
  --color-dark: #1A1A1A;
  --color-overlay: rgba(45, 45, 45, 0.7);
  
  /* Typography */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  /* Font Sizes - Fluid Typography */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.9rem + 0.5vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.6vw, 1.25rem);
  --text-xl: clamp(1.25rem, 1.1rem + 0.75vw, 1.5rem);
  --text-2xl: clamp(1.5rem, 1.25rem + 1.25vw, 2rem);
  --text-3xl: clamp(2rem, 1.5rem + 2.5vw, 3rem);
  --text-4xl: clamp(2.5rem, 2rem + 3vw, 4rem);
  --text-5xl: clamp(3rem, 2.5rem + 4vw, 5rem);
  
  /* Font Weights */
  --font-light: 300;
  --font-regular: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;
  
  /* Spacing - 8pt Grid */
  --space-1: 0.25rem;  /* 4px */
  --space-2: 0.5rem;   /* 8px */
  --space-3: 0.75rem;  /* 12px */
  --space-4: 1rem;     /* 16px */
  --space-5: 1.5rem;   /* 24px */
  --space-6: 2rem;     /* 32px */
  --space-7: 2.5rem;   /* 40px */
  --space-8: 3rem;     /* 48px */
  --space-9: 4rem;     /* 64px */
  --space-10: 5rem;    /* 80px */
  --space-11: 6rem;    /* 96px */
  --space-12: 8rem;    /* 128px */
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.15);
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 300ms ease;
  --transition-slow: 500ms ease;
  --transition-slower: 700ms ease;
  
  /* Z-Index Scale */
  --z-base: 1;
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-fixed: 300;
  --z-modal: 400;
  --z-tooltip: 500;
  
  /* Container */
  --container-max: 1400px;
  --container-padding: var(--space-5);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--font-regular);
  line-height: 1.6;
  color: var(--color-secondary);
  background-color: var(--color-background);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

ul, ol {
  list-style: none;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: var(--font-semibold);
  line-height: 1.2;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

h1 { font-size: var(--text-5xl); }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-3xl); }
h4 { font-size: var(--text-2xl); }
h5 { font-size: var(--text-xl); }
h6 { font-size: var(--text-lg); }

p {
  margin-bottom: var(--space-4);
}

.text-accent {
  color: var(--color-accent);
}

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

.section {
  padding: var(--space-11) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-9);
}

.section-header h2 {
  margin-bottom: var(--space-4);
  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(--color-accent);
}

.section-header p {
  color: var(--color-tertiary);
  max-width: 600px;
  margin: var(--space-5) auto 0;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-6);
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border-radius: var(--radius-sm);
  transition: all var(--transition-base);
}

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

.btn-primary:hover {
  background-color: var(--color-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-white);
  border: 2px solid var(--color-white);
}

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

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

.btn-accent:hover {
  background-color: var(--color-accent-light);
  color: var(--color-primary);
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-fixed);
  padding: var(--space-4) 0;
  transition: all var(--transition-base);
  background: transparent;
}

.header.scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-md);
  padding: var(--space-3) 0;
}

.header.scrolled .nav-link {
  color: var(--color-secondary);
}

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

.header.scrolled .logo {
  color: var(--color-primary);
}

.header.scrolled .lang-btn {
  color: var(--color-secondary);
  border-color: var(--color-tertiary);
}

.header.scrolled .lang-btn.active {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

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

.logo {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--color-white);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: color var(--transition-base);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-7);
}

.nav-link {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-white);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  position: relative;
  padding: var(--space-2) 0;
  transition: color var(--transition-fast);
}

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

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

.nav-right {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.lang-switch {
  display: flex;
  gap: var(--space-2);
}

.lang-btn {
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  color: var(--color-white);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.lang-btn:hover {
  border-color: var(--color-white);
}

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

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-white);
  transition: all var(--transition-base);
}

.header.scrolled .menu-toggle span {
  background: var(--color-primary);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #4A4A4A 0%, #2D2D2D 100%);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0.4;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(45, 45, 45, 0.3) 0%,
    rgba(45, 45, 45, 0.6) 50%,
    rgba(45, 45, 45, 0.8) 100%
  );
}

.hero-content {
  position: relative;
  z-index: var(--z-base);
  text-align: center;
  max-width: 900px;
  padding: 0 var(--container-padding);
}

.hero-title {
  font-size: var(--text-5xl);
  color: var(--color-white);
  margin-bottom: var(--space-5);
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.8s ease forwards;
}

.hero-subtitle {
  font-size: var(--text-xl);
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--space-8);
  font-weight: var(--font-light);
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.8s ease 0.2s forwards;
}

.hero-cta {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.8s ease 0.4s forwards;
}

.hero-scroll {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  color: var(--color-white);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  opacity: 0;
  animation: fadeIn 1s ease 1s forwards;
}

.hero-scroll span {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.2em;
}

.hero-scroll-icon {
  width: 24px;
  height: 40px;
  border: 2px solid rgba(255, 255, 255, 0.5);
  border-radius: 12px;
  position: relative;
}

.hero-scroll-icon::before {
  content: '';
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 8px;
  background: var(--color-white);
  border-radius: 2px;
  animation: scrollDown 1.5s ease-in-out infinite;
}

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

@keyframes fadeIn {
  to {
    opacity: 1;
  }
}

@keyframes scrollDown {
  0%, 100% {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
  }
  50% {
    transform: translateX(-50%) translateY(10px);
    opacity: 0.5;
  }
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about {
  background: var(--color-white);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-9);
  align-items: center;
}

.about-image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
}

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

.about-image:hover img {
  transform: scale(1.05);
}

.about-image::before {
  content: '';
  position: absolute;
  inset: 0;
  border: 3px solid var(--color-accent);
  border-radius: var(--radius-lg);
  transform: translate(20px, 20px);
  z-index: -1;
}

.about-content h2 {
  margin-bottom: var(--space-5);
}

.about-content p {
  color: var(--color-tertiary);
  margin-bottom: var(--space-5);
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-background-alt);
}

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

.stat-number {
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  color: var(--color-accent);
  display: block;
}

.stat-label {
  font-size: var(--text-sm);
  color: var(--color-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ============================================
   SERVICES SECTION
   ============================================ */
.services {
  background: var(--color-background);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-6);
}

.service-card {
  background: var(--color-white);
  padding: var(--space-7);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--color-accent);
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-5);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-background);
  border-radius: var(--radius-full);
  color: var(--color-accent);
  transition: all var(--transition-base);
}

.service-card:hover .service-icon {
  background: var(--color-accent);
  color: var(--color-white);
}

.service-icon svg {
  width: 28px;
  height: 28px;
}

.service-card h4 {
  margin-bottom: var(--space-3);
  font-size: var(--text-lg);
}

.service-card p {
  color: var(--color-tertiary);
  font-size: var(--text-sm);
  margin-bottom: 0;
}

/* ============================================
   PROJECTS SECTION (GALLERY)
   ============================================ */
.projects {
  background: var(--color-white);
}

.projects-filter {
  display: flex;
  justify-content: center;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
  flex-wrap: wrap;
}

.filter-btn {
  padding: var(--space-2) var(--space-5);
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-tertiary);
  border: 1px solid var(--color-background-alt);
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

.project-item {
  position: relative;
  aspect-ratio: 4/3;
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
}

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

.project-overlay {
  position: absolute;
  inset: 0;
  background: var(--color-overlay);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.project-item:hover img {
  transform: scale(1.1);
}

.project-item:hover .project-overlay {
  opacity: 1;
}

.project-overlay h5 {
  color: var(--color-white);
  font-size: var(--text-lg);
  margin-bottom: var(--space-2);
}

.project-overlay span {
  color: var(--color-accent-light);
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.project-overlay .view-icon {
  margin-top: var(--space-4);
  width: 48px;
  height: 48px;
  border: 2px solid var(--color-white);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  transition: all var(--transition-fast);
}

.project-overlay .view-icon:hover {
  background: var(--color-white);
  color: var(--color-primary);
}

/* Featured project (larger) */
.project-item.featured {
  grid-column: span 2;
  grid-row: span 2;
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact {
  background: var(--color-background);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-9);
}

.contact-info {
  padding-right: var(--space-6);
}

.contact-info h2 {
  margin-bottom: var(--space-5);
}

.contact-info > p {
  color: var(--color-tertiary);
  margin-bottom: var(--space-8);
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
}

.contact-item-icon {
  width: 48px;
  height: 48px;
  background: var(--color-white);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  flex-shrink: 0;
}

.contact-item-icon svg {
  width: 22px;
  height: 22px;
}

.contact-item-content h5 {
  font-size: var(--text-base);
  margin-bottom: var(--space-1);
}

.contact-item-content p,
.contact-item-content a {
  color: var(--color-tertiary);
  font-size: var(--text-sm);
  margin-bottom: 0;
}

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

.contact-form-wrapper {
  background: var(--color-white);
  padding: var(--space-8);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-group label {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-secondary);
}

.form-group input,
.form-group textarea {
  padding: var(--space-4);
  font-family: var(--font-body);
  font-size: var(--text-base);
  border: 1px solid var(--color-background-alt);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  background: var(--color-background);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(184, 163, 152, 0.2);
}

.form-group textarea {
  resize: vertical;
  min-height: 150px;
}

.contact-form .btn {
  width: 100%;
  padding: var(--space-5);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--color-primary);
  color: var(--color-white);
  padding: var(--space-10) 0 var(--space-6);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-8);
  margin-bottom: var(--space-8);
}

.footer-brand .logo {
  margin-bottom: var(--space-4);
  display: inline-block;
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--text-sm);
  max-width: 300px;
}

.footer-column h5 {
  color: var(--color-white);
  margin-bottom: var(--space-5);
  font-size: var(--text-base);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--text-sm);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-accent-light);
}

.footer-bottom {
  padding-top: var(--space-6);
  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-4);
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.5);
  font-size: var(--text-sm);
  margin-bottom: 0;
}

.social-links {
  display: flex;
  gap: var(--space-3);
}

.social-link {
  width: 40px;
  height: 40px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  transition: all var(--transition-fast);
}

.social-link:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
}

.social-link svg {
  width: 18px;
  height: 18px;
}

/* ============================================
   ANIMATIONS (Scroll Reveal)
   ============================================ */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all var(--transition-slower);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: all var(--transition-slower);
}

.reveal-left.active {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(50px);
  transition: all var(--transition-slower);
}

.reveal-right.active {
  opacity: 1;
  transform: translateX(0);
}

/* Staggered animations */
.reveal-stagger > * {
  opacity: 0;
  transform: translateY(20px);
  transition: all var(--transition-base);
}

.reveal-stagger.active > *:nth-child(1) { transition-delay: 0ms; opacity: 1; transform: translateY(0); }
.reveal-stagger.active > *:nth-child(2) { transition-delay: 100ms; opacity: 1; transform: translateY(0); }
.reveal-stagger.active > *:nth-child(3) { transition-delay: 200ms; opacity: 1; transform: translateY(0); }
.reveal-stagger.active > *:nth-child(4) { transition-delay: 300ms; opacity: 1; transform: translateY(0); }
.reveal-stagger.active > *:nth-child(5) { transition-delay: 400ms; opacity: 1; transform: translateY(0); }
.reveal-stagger.active > *:nth-child(6) { transition-delay: 500ms; opacity: 1; transform: translateY(0); }
.reveal-stagger.active > *:nth-child(7) { transition-delay: 600ms; opacity: 1; transform: translateY(0); }
.reveal-stagger.active > *:nth-child(8) { transition-delay: 700ms; opacity: 1; transform: translateY(0); }

/* ============================================
   LIGHTBOX
   ============================================ */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.95);
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

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

.lightbox-content {
  max-width: 90vw;
  max-height: 90vh;
}

.lightbox-content img {
  max-width: 100%;
  max-height: 90vh;
  object-fit: contain;
  border-radius: var(--radius-md);
}

.lightbox-close {
  position: absolute;
  top: var(--space-5);
  right: var(--space-5);
  width: 48px;
  height: 48px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  transition: all var(--transition-fast);
}

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

.lightbox-close svg {
  width: 24px;
  height: 24px;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

/* Tablet */
@media (max-width: 1024px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  
  .about-image {
    order: -1;
  }
  
  .about-image::before {
    transform: translate(15px, 15px);
  }
  
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .project-item.featured {
    grid-column: span 2;
    grid-row: span 1;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
  }
  
  .contact-info {
    padding-right: 0;
    text-align: center;
  }
  
  .contact-details {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Mobile */
@media (max-width: 768px) {
  :root {
    --container-padding: var(--space-4);
  }
  
  .menu-toggle {
    display: flex;
  }
  
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 300px;
    height: 100vh;
    background: var(--color-white);
    flex-direction: column;
    padding: var(--space-11) var(--space-6);
    gap: var(--space-5);
    transition: right var(--transition-base);
    box-shadow: var(--shadow-xl);
  }
  
  .nav-menu.active {
    right: 0;
  }
  
  .nav-link {
    color: var(--color-secondary);
    font-size: var(--text-lg);
  }
  
  .nav-right {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 300px;
    padding: var(--space-5) var(--space-6);
    transition: right var(--transition-base);
    justify-content: center;
  }
  
  .nav-menu.active + .nav-right {
    right: 0;
  }
  
  .lang-btn {
    color: var(--color-secondary);
    border-color: var(--color-tertiary);
  }
  
  .lang-btn.active {
    background: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
  }
  
  .hero-title {
    font-size: var(--text-3xl);
  }
  
  .hero-subtitle {
    font-size: var(--text-base);
  }
  
  .section {
    padding: var(--space-9) 0;
  }
  
  .about-stats {
    grid-template-columns: 1fr;
    gap: var(--space-5);
  }
  
  .projects-grid {
    grid-template-columns: 1fr;
  }
  
  .project-item.featured {
    grid-column: span 1;
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .footer-brand p {
    max-width: 100%;
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

/* Small Mobile */
@media (max-width: 480px) {
  .hero-cta {
    flex-direction: column;
    align-items: center;
  }
  
  .hero-cta .btn {
    width: 100%;
    max-width: 280px;
  }
  
  .contact-details {
    flex-direction: column;
  }
  
  .contact-item {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
}