/* ==========================================
   CSS CUSTOM PROPERTIES
   ========================================== */
:root {
  /* Colors - Tech/Cyber theme */
  --color-bg: #0a0e1a;
  --color-bg-alt: #141824;
  --color-surface: #1a1f2e;
  --color-surface-elevated: #242938;
  --color-primary: #00ff9d;
  --color-primary-dark: #00cc7d;
  --color-secondary: #00d4ff;
  --color-accent: #ff0080;
  --color-text: #e4e6eb;
  --color-text-muted: #9fa3b0;
  --color-border: #2a2f3e;
  
  /* Typography */
  --font-display: 'Orbitron', monospace;
  --font-body: 'Space Mono', monospace;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
  
  /* Layout */
  --max-width: 1200px;
  --border-radius: 4px;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 255, 157, 0.1);
  --shadow-md: 0 4px 16px rgba(0, 255, 157, 0.15);
  --shadow-lg: 0 8px 32px rgba(0, 255, 157, 0.2);
  --shadow-glow: 0 0 20px rgba(0, 255, 157, 0.3);
}

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

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

body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 20% 50%, rgba(0, 255, 157, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(0, 212, 255, 0.05) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

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

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

ul {
  list-style: none;
}

/* ==========================================
   CONTAINER
   ========================================== */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  position: relative;
  z-index: 1;
}

/* ==========================================
   NAVIGATION
   ========================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: var(--spacing-md) 0;
  background: rgba(10, 14, 26, 0.8);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  transition: var(--transition-base);
}

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

.logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 900;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-primary);
  transition: var(--transition-fast);
}

.logo-bracket {
  color: var(--color-secondary);
  font-size: 1.8rem;
}

.logo:hover {
  text-shadow: var(--shadow-glow);
}

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

.nav-link {
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-text-muted);
  transition: var(--transition-fast);
  position: relative;
  padding: 0.5rem 0;
}

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

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

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

.nav-cta {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: var(--color-bg);
  padding: 0.6rem 1.5rem;
  border-radius: var(--border-radius);
  font-weight: 700;
}

.nav-cta::after {
  display: none;
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

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

.nav-toggle span {
  width: 25px;
  height: 2px;
  background: var(--color-primary);
  transition: var(--transition-fast);
}

/* ==========================================
   HERO SECTION
   ========================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 100px;
  overflow: hidden;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    linear-gradient(135deg, transparent 0%, rgba(0, 255, 157, 0.03) 100%),
    repeating-linear-gradient(90deg, rgba(0, 255, 157, 0.03) 0px, transparent 1px, transparent 40px, rgba(0, 255, 157, 0.03) 41px),
    repeating-linear-gradient(0deg, rgba(0, 255, 157, 0.03) 0px, transparent 1px, transparent 40px, rgba(0, 255, 157, 0.03) 41px);
  opacity: 0.5;
}

.hero-content {
  max-width: 800px;
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
  padding: 0.5rem 1rem;
  margin-bottom: var(--spacing-md);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(0, 255, 157, 0.4);
  }
  50% {
    box-shadow: 0 0 0 10px rgba(0, 255, 157, 0);
  }
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 8vw, 5rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: var(--spacing-md);
  text-transform: uppercase;
  letter-spacing: 2px;
}

.hero-title-line {
  display: block;
  animation: slideInUp 0.8s ease-out backwards;
}

.hero-title-line:nth-child(2) {
  animation-delay: 0.2s;
}

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

.hero-title-highlight {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-lg);
  max-width: 600px;
  animation: slideInUp 0.8s ease-out 0.4s backwards;
}

.hero-cta {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  animation: slideInUp 0.8s ease-out 0.6s backwards;
}

.scroll-indicator {
  position: absolute;
  bottom: var(--spacing-lg);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--color-primary);
  font-size: 0.75rem;
  letter-spacing: 2px;
  font-weight: 700;
}

.scroll-line {
  width: 2px;
  height: 40px;
  background: linear-gradient(to bottom, var(--color-primary), transparent);
  animation: scrollDown 2s ease-in-out infinite;
}

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

/* ==========================================
   BUTTONS
   ========================================== */
.btn {
  display: inline-block;
  padding: 0.9rem 2rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  border-radius: var(--border-radius);
  transition: var(--transition-base);
  cursor: pointer;
  border: none;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.1);
  transition: var(--transition-base);
}

.btn:hover::before {
  left: 100%;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: var(--color-bg);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

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

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

.btn-large {
  padding: 1.2rem 2.5rem;
  font-size: 1rem;
}

.btn-full {
  width: 100%;
}

/* ==========================================
   SECTIONS
   ========================================== */
section {
  padding: var(--spacing-xl) 0;
  position: relative;
}

.section-header {
  margin-bottom: var(--spacing-lg);
}

.section-header.centered {
  text-align: center;
}

.section-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
  text-transform: uppercase;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 900;
  line-height: 1.2;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ==========================================
   FEATURES SECTION
   ========================================== */
.features {
  background: var(--color-bg-alt);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
}

.feature-card {
  padding: var(--spacing-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition-base);
}

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

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

.feature-icon {
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(0, 255, 157, 0.1), rgba(0, 212, 255, 0.1));
  border: 2px solid var(--color-primary);
  border-radius: var(--border-radius);
  margin-bottom: var(--spacing-md);
  color: var(--color-primary);
}

.feature-icon svg {
  width: 30px;
  height: 30px;
}

.feature-title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.feature-description {
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* ==========================================
   STATS SECTION
   ========================================== */
.stats {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
  text-align: center;
}

.stat-number {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: var(--spacing-xs);
}

.stat-label {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ==========================================
   CTA SECTION
   ========================================== */
.cta-section {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  text-align: center;
}

.cta-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 900;
  margin-bottom: var(--spacing-sm);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.cta-description {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-lg);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* ==========================================
   PAGE HERO
   ========================================== */
.page-hero {
  padding-top: 150px;
  padding-bottom: var(--spacing-xl);
  text-align: center;
  background: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
}

.page-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
  text-transform: uppercase;
}

.page-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 900;
  margin-bottom: var(--spacing-sm);
  text-transform: uppercase;
  letter-spacing: 2px;
}

.page-description {
  font-size: 1.2rem;
  color: var(--color-text-muted);
}

/* ==========================================
   ABOUT PAGE
   ========================================== */
.about-content {
  padding: var(--spacing-xl) 0;
}

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

.about-text p {
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-md);
  line-height: 1.8;
}

.content-title {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 900;
  margin-bottom: var(--spacing-md);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.image-placeholder {
  width: 100%;
  aspect-ratio: 1;
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
}

.image-placeholder.small {
  width: 200px;
  height: 200px;
  margin: 0 auto;
}

/* ==========================================
   VALUES
   ========================================== */
.values {
  background: var(--color-bg-alt);
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-md);
}

.value-card {
  padding: var(--spacing-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  transition: var(--transition-base);
}

.value-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-5px);
}

.value-number {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 900;
  color: var(--color-primary);
  opacity: 0.3;
  line-height: 1;
  margin-bottom: var(--spacing-sm);
}

.value-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.value-description {
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* ==========================================
   TEAM
   ========================================== */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
}

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

.member-image {
  margin-bottom: var(--spacing-md);
}

.member-name {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.member-role {
  color: var(--color-primary);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ==========================================
   SERVICES PAGE
   ========================================== */
.services-list {
  padding: var(--spacing-xl) 0;
}

.service-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  align-items: center;
  margin-bottom: var(--spacing-xl);
  padding: var(--spacing-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
}

.service-item.reverse {
  grid-template-columns: 1fr 1fr;
}

.service-item.reverse .service-content {
  order: 2;
}

.service-item.reverse .service-visual {
  order: 1;
}

.service-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.service-number {
  font-family: var(--font-display);
  font-size: 4rem;
  font-weight: 900;
  color: var(--color-primary);
  opacity: 0.2;
  line-height: 1;
}

.service-title {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.service-description {
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-md);
  line-height: 1.8;
}

.service-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-sm);
}

.service-features li {
  color: var(--color-text-muted);
  padding-left: var(--spacing-md);
  position: relative;
}

.service-features li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--color-primary);
}

.service-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 300px;
}

.visual-code {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  padding: var(--spacing-lg);
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  font-family: 'Courier New', monospace;
  font-size: 0.9rem;
}

.code-keyword {
  color: var(--color-accent);
}

.code-function {
  color: var(--color-secondary);
}

.code-string {
  color: var(--color-primary);
}

.visual-mobile {
  display: flex;
  justify-content: center;
}

.mobile-screen {
  width: 200px;
  height: 400px;
  background: var(--color-bg);
  border: 3px solid var(--color-primary);
  border-radius: 20px;
  position: relative;
  overflow: hidden;
}

.mobile-notch {
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 20px;
  background: var(--color-surface);
  border-radius: 10px;
}

.mobile-content {
  position: absolute;
  top: 40px;
  left: 10px;
  right: 10px;
  bottom: 10px;
  background: linear-gradient(135deg, rgba(0, 255, 157, 0.1), rgba(0, 212, 255, 0.1));
  border-radius: 10px;
}

.visual-cloud {
  display: flex;
  justify-content: center;
  align-items: center;
}

.cloud-nodes {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
}

.cloud-node {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, rgba(0, 255, 157, 0.1), rgba(0, 212, 255, 0.1));
  border: 2px solid var(--color-primary);
  border-radius: var(--border-radius);
  animation: float 3s ease-in-out infinite;
}

.cloud-node:nth-child(2) {
  animation-delay: 0.5s;
}

.cloud-node:nth-child(3) {
  animation-delay: 1s;
}

.cloud-node:nth-child(4) {
  animation-delay: 1.5s;
}

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

.visual-design {
  display: flex;
  justify-content: center;
  align-items: center;
}

.design-layers {
  position: relative;
  width: 200px;
  height: 200px;
}

.design-layer {
  position: absolute;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(0, 255, 157, 0.1), rgba(0, 212, 255, 0.1));
  border: 2px solid var(--color-primary);
  border-radius: var(--border-radius);
  transition: var(--transition-base);
}

.design-layer:nth-child(1) {
  transform: translateX(-20px) translateY(-20px);
  opacity: 0.3;
}

.design-layer:nth-child(2) {
  transform: translateX(-10px) translateY(-10px);
  opacity: 0.6;
}

.design-layer:nth-child(3) {
  transform: translateX(0) translateY(0);
  opacity: 1;
}

.visual-chart {
  display: flex;
  justify-content: center;
  align-items: flex-end;
  height: 200px;
}

.chart-bars {
  display: flex;
  gap: var(--spacing-md);
  align-items: flex-end;
  height: 100%;
}

.chart-bar {
  width: 40px;
  background: linear-gradient(to top, var(--color-primary), var(--color-secondary));
  border-radius: var(--border-radius) var(--border-radius) 0 0;
  animation: growUp 1s ease-out backwards;
}

.chart-bar:nth-child(2) {
  animation-delay: 0.2s;
}

.chart-bar:nth-child(3) {
  animation-delay: 0.4s;
}

.chart-bar:nth-child(4) {
  animation-delay: 0.6s;
}

@keyframes growUp {
  from {
    height: 0;
  }
}

/* ==========================================
   PROCESS
   ========================================== */
.process {
  background: var(--color-bg-alt);
}

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

.process-step {
  text-align: center;
  position: relative;
}

.step-marker {
  width: 60px;
  height: 60px;
  margin: 0 auto var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface);
  border: 3px solid var(--color-primary);
  border-radius: 50%;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--color-primary);
}

.step-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.step-description {
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* ==========================================
   PORTFOLIO PAGE
   ========================================== */
.portfolio-filters {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
}

.filter-btn {
  padding: 0.6rem 1.5rem;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  background: var(--color-surface);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: var(--transition-fast);
}

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

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: var(--spacing-lg);
}

.portfolio-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  overflow: hidden;
  transition: var(--transition-base);
}

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

.portfolio-image {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.portfolio-info {
  padding: var(--spacing-md);
}

.portfolio-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--color-primary);
  text-transform: uppercase;
  margin-bottom: var(--spacing-xs);
}

.portfolio-title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.portfolio-description {
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-md);
  line-height: 1.7;
}

.portfolio-tech {
  display: flex;
  gap: var(--spacing-xs);
  flex-wrap: wrap;
}

.tech-tag {
  font-size: 0.75rem;
  padding: 0.3rem 0.8rem;
  background: rgba(0, 255, 157, 0.1);
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
  border-radius: var(--border-radius);
  font-weight: 700;
}

/* ==========================================
   TESTIMONIALS
   ========================================== */
.testimonials {
  background: var(--color-bg-alt);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.testimonial-card {
  padding: var(--spacing-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  position: relative;
}

.testimonial-quote {
  font-size: 4rem;
  font-family: var(--font-display);
  color: var(--color-primary);
  opacity: 0.2;
  line-height: 1;
  margin-bottom: var(--spacing-sm);
}

.testimonial-text {
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: var(--spacing-md);
}

.testimonial-author {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.testimonial-author strong {
  font-family: var(--font-display);
  color: var(--color-text);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.testimonial-author span {
  font-size: 0.85rem;
  color: var(--color-primary);
}

/* ==========================================
   CONTACT PAGE
   ========================================== */
.contact-section {
  padding: var(--spacing-xl) 0;
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--spacing-xl);
}

.contact-info-title {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 900;
  margin-bottom: var(--spacing-md);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.contact-info-text {
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-lg);
  line-height: 1.8;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.contact-detail {
  display: flex;
  gap: var(--spacing-md);
  align-items: flex-start;
}

.detail-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 255, 157, 0.1);
  border: 1px solid var(--color-primary);
  border-radius: var(--border-radius);
  color: var(--color-primary);
  flex-shrink: 0;
}

.detail-icon svg {
  width: 20px;
  height: 20px;
}

.detail-title {
  font-weight: 700;
  margin-bottom: 0.25rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.detail-text {
  color: var(--color-text-muted);
}

.social-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.social-links {
  display: flex;
  gap: var(--spacing-sm);
}

.social-link {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  color: var(--color-text-muted);
  transition: var(--transition-fast);
}

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

.social-link svg {
  width: 20px;
  height: 20px;
}

.contact-form-container {
  background: var(--color-surface);
  padding: var(--spacing-lg);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
}

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

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

.form-label {
  font-weight: 700;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.form-input,
.form-textarea {
  padding: 0.9rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  color: var(--color-text);
  transition: var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 255, 157, 0.1);
}

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

.form-message {
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  margin-bottom: var(--spacing-md);
  display: none;
}

.form-message.success {
  display: block;
  background: rgba(0, 255, 157, 0.1);
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
}

.form-message.error {
  display: block;
  background: rgba(255, 0, 128, 0.1);
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
}

/* ==========================================
   ERROR PAGE
   ========================================== */
.error-section {
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.error-code {
  font-family: var(--font-display);
  font-size: clamp(6rem, 15vw, 12rem);
  font-weight: 900;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: var(--spacing-md);
}

.error-title {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 900;
  margin-bottom: var(--spacing-sm);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.error-description {
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-lg);
}

/* ==========================================
   FOOTER
   ========================================== */
.footer {
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-xl) 0 var(--spacing-md);
}

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

.footer-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 900;
  margin-bottom: var(--spacing-sm);
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-primary);
}

.footer-text {
  color: var(--color-text-muted);
  line-height: 1.7;
}

.footer-subtitle {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  text-transform: uppercase;
  letter-spacing: 1px;
}

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

.footer-links a {
  color: var(--color-text-muted);
  transition: var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-primary);
  padding-left: var(--spacing-xs);
}

.footer-bottom {
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-border);
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

/* ==========================================
   RESPONSIVE DESIGN
   ========================================== */
@media (max-width: 768px) {
  :root {
    --spacing-xl: 4rem;
    --spacing-lg: 3rem;
  }

  .nav-menu {
    position: fixed;
    top: 80px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 80px);
    background: rgba(10, 14, 26, 0.98);
    backdrop-filter: blur(10px);
    flex-direction: column;
    justify-content: flex-start;
    padding: var(--spacing-lg);
    transition: var(--transition-base);
  }

  .nav-menu.active {
    left: 0;
  }

  .nav-toggle {
    display: flex;
  }

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

  .btn {
    width: 100%;
    text-align: center;
  }

  .about-grid,
  .service-item,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .service-item.reverse .service-content,
  .service-item.reverse .service-visual {
    order: initial;
  }

  .service-features {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 480px) {
  .features-grid,
  .values-grid,
  .testimonials-grid {
    grid-template-columns: 1fr;
  }

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