/* Custom properties / Design Tokens */
:root {
  --color-bg-dark: #0A0F1D;
  --color-bg-card: #12192c;
  --color-primary: #0F3A7A;
  --color-primary-light: #1A54A8;
  --color-accent: #E5C158;
  --color-accent-hover: #f1d57e;
  --color-text-light: #F7FAFC;
  --color-text-muted: #A0AEC0;
  --font-family: 'Inter', system-ui, -apple-system, sans-serif;
  --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  font-family: var(--font-family);
  background-color: var(--color-bg-dark);
  color: var(--color-text-light);
  font-size: 16px;
  overflow-x: hidden;
}

body {
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  position: relative;
}

/* Scrollbar styling */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--color-bg-dark);
}
::-webkit-scrollbar-thumb {
  background: var(--color-primary);
  border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-accent);
}

/* Background elements for premium aesthetic */
.glow-effect {
  position: absolute;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(15, 58, 122, 0.15) 0%, rgba(10, 15, 29, 0) 70%);
  top: 10%;
  right: -10%;
  z-index: -1;
  pointer-events: none;
}

.glow-effect-2 {
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(229, 193, 88, 0.05) 0%, rgba(10, 15, 29, 0) 70%);
  bottom: 20%;
  left: -15%;
  z-index: -1;
  pointer-events: none;
}

/* Typography & Layout Utilities */
h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.2;
}

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Navigation */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  backdrop-filter: blur(15px);
  background-color: rgba(10, 15, 29, 0.85);
  border-bottom: 1px solid rgba(247, 250, 252, 0.05);
  z-index: 100;
  transition: var(--transition-smooth);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

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

.logo-icon {
  width: 32px;
  height: 32px;
  fill: var(--color-accent);
}

.logo-text {
  font-size: 1.5rem;
  letter-spacing: 2px;
  font-weight: 800;
}

.logo-text span {
  display: block;
  font-size: 0.6rem;
  letter-spacing: 4px;
  color: var(--color-text-muted);
  font-weight: 500;
  margin-top: -2px;
}

nav ul {
  display: flex;
  list-style: none;
  gap: 2.5rem;
  align-items: center;
}

nav ul a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: var(--transition-smooth);
  position: relative;
}

nav ul a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -6px;
  left: 0;
  background-color: var(--color-accent);
  transition: var(--transition-smooth);
}

nav ul a:hover {
  color: var(--color-text-light);
}

nav ul a:hover::after {
  width: 100%;
}

.btn-nav {
  padding: 0.6rem 1.4rem;
  border-radius: 4px;
  background-color: transparent;
  border: 1px solid var(--color-accent);
  color: var(--color-accent);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-smooth);
}

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

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-text-light);
  font-size: 1.8rem;
  cursor: pointer;
}

/* Hero Section */
.hero {
  padding: 160px 0 100px;
  position: relative;
  display: flex;
  align-items: center;
  min-height: 90vh;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.hero-tag {
  display: inline-block;
  background: rgba(229, 193, 88, 0.1);
  color: var(--color-accent);
  padding: 0.5rem 1.5rem;
  border-radius: 30px;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 2px;
  margin-bottom: 2rem;
  border: 1px solid rgba(229, 193, 88, 0.2);
  text-transform: uppercase;
}

.hero h1 {
  font-size: 4rem;
  letter-spacing: -1px;
  margin-bottom: 1.5rem;
}

.hero h1 span {
  display: block;
  font-size: 1.5rem;
  font-weight: 400;
  letter-spacing: 10px;
  color: var(--color-text-muted);
  margin-top: 1rem;
  text-transform: uppercase;
}

.hero-desc {
  font-size: 1.25rem;
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto 3rem;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
}

.btn-primary {
  background-color: var(--color-accent);
  color: var(--color-bg-dark);
  padding: 1rem 2.5rem;
  border-radius: 4px;
  font-weight: 700;
  letter-spacing: 1px;
  border: none;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.btn-primary:hover {
  background-color: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(229, 193, 88, 0.15);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-text-light);
  padding: 1rem 2.5rem;
  border-radius: 4px;
  font-weight: 700;
  letter-spacing: 1px;
  border: 1px solid rgba(247, 250, 252, 0.2);
  cursor: pointer;
  transition: var(--transition-smooth);
}

.btn-secondary:hover {
  border-color: var(--color-text-light);
  background-color: rgba(247, 250, 252, 0.05);
}

/* Sections Global */
section {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 4.5rem;
}

.section-tag {
  color: var(--color-accent);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
  display: block;
}

.section-title {
  font-size: 2.5rem;
  letter-spacing: -0.5px;
}

/* Services */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2.5rem;
}

.service-card {
  background-color: var(--color-bg-card);
  border: 1px solid rgba(247, 250, 252, 0.05);
  padding: 3rem 2.5rem;
  border-radius: 8px;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  opacity: 0;
  transition: var(--transition-smooth);
}

.service-card:hover {
  transform: translateY(-8px);
  border-color: rgba(229, 193, 88, 0.15);
  box-shadow: 0 20px 40px rgba(10, 15, 29, 0.4);
}

.service-card:hover::before {
  opacity: 1;
}

.service-icon {
  width: 48px;
  height: 48px;
  fill: var(--color-accent);
  margin-bottom: 2rem;
}

.service-title {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.service-desc {
  color: var(--color-text-muted);
  margin-bottom: 2rem;
}

.service-features {
  list-style: none;
}

.service-features li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.75rem;
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

.service-features li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: bold;
}

/* Portfolio / Work */
.portfolio-filters {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3.5rem;
}

.filter-btn {
  background: transparent;
  border: 1px solid rgba(247, 250, 252, 0.1);
  color: var(--color-text-muted);
  padding: 0.6rem 1.8rem;
  border-radius: 30px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.filter-btn.active, .filter-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: rgba(229, 193, 88, 0.05);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2.5rem;
}

.portfolio-item {
  background-color: var(--color-bg-card);
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid rgba(247, 250, 252, 0.05);
  transition: var(--transition-smooth);
}

.portfolio-item:hover {
  transform: translateY(-5px);
  border-color: rgba(229, 193, 88, 0.15);
}

.portfolio-image {
  height: 260px;
  position: relative;
  background-size: cover;
  background-position: center;
  transition: var(--transition-smooth);
}

.portfolio-item:hover .portfolio-image {
  transform: scale(1.03);
}

.portfolio-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, rgba(10, 15, 29, 0.2) 0%, rgba(10, 15, 29, 0.8) 100%);
  display: flex;
  align-items: flex-end;
  padding: 1.5rem;
}

.portfolio-tag {
  background-color: var(--color-accent);
  color: var(--color-bg-dark);
  padding: 0.3rem 0.8rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
}

.portfolio-info {
  padding: 2rem;
}

.portfolio-title {
  font-size: 1.35rem;
  margin-bottom: 0.75rem;
}

.portfolio-desc {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

.portfolio-metrics {
  display: flex;
  gap: 1.5rem;
  border-top: 1px solid rgba(247, 250, 252, 0.05);
  padding-top: 1.25rem;
}

.metric {
  flex: 1;
}

.metric-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-accent);
}

.metric-label {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Stats Counter Section */
.stats {
  background: linear-gradient(180deg, var(--color-bg-dark) 0%, var(--color-bg-card) 50%, var(--color-bg-dark) 100%);
  padding: 80px 0;
  border-top: 1px solid rgba(247, 250, 252, 0.05);
  border-bottom: 1px solid rgba(247, 250, 252, 0.05);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
}

.stat-item h3 {
  font-size: 3.5rem;
  color: var(--color-accent);
  margin-bottom: 0.5rem;
}

.stat-item p {
  color: var(--color-text-muted);
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  font-size: 0.85rem;
}

/* Contact Section */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
  align-items: start;
}

.contact-info h2 {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
}

.contact-desc {
  color: var(--color-text-muted);
  margin-bottom: 3rem;
  font-size: 1.1rem;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.contact-detail-item {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.contact-detail-icon {
  width: 50px;
  height: 50px;
  background-color: var(--color-bg-card);
  border: 1px solid rgba(247, 250, 252, 0.05);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  fill: var(--color-accent);
}

.contact-detail-content h4 {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.contact-detail-content p {
  font-size: 1.1rem;
  font-weight: 600;
}

.contact-form {
  background-color: var(--color-bg-card);
  border: 1px solid rgba(247, 250, 252, 0.05);
  padding: 3.5rem 3rem;
  border-radius: 8px;
}

.form-group {
  margin-bottom: 2rem;
  position: relative;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 0.5rem;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.form-input, .form-textarea {
  width: 100%;
  background: rgba(10, 15, 29, 0.5);
  border: 1px solid rgba(247, 250, 252, 0.1);
  padding: 1rem;
  border-radius: 4px;
  color: var(--color-text-light);
  font-family: var(--font-family);
  font-size: 1rem;
  transition: var(--transition-smooth);
}

.form-input:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 10px rgba(229, 193, 88, 0.1);
}

.form-textarea {
  height: 150px;
  resize: none;
}

/* Footer */
footer {
  background-color: #05070d;
  border-top: 1px solid rgba(247, 250, 252, 0.05);
  padding: 60px 0;
  text-align: center;
}

.footer-logo {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 2rem;
}

.footer-nav {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 2rem;
  list-style: none;
}

.footer-nav a {
  color: var(--color-text-muted);
  transition: var(--transition-smooth);
}

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

.footer-copy {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

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

/* Responsive design */
@media (max-width: 992px) {
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 3.5rem;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .hero h1 {
    font-size: 3rem;
  }
}

@media (max-width: 768px) {
  nav {
    display: none;
    position: absolute;
    top: 80px;
    left: 0;
    width: 100%;
    background-color: var(--color-bg-dark);
    border-bottom: 1px solid rgba(247, 250, 252, 0.05);
    padding: 2rem;
  }
  
  nav.active {
    display: block;
  }
  
  nav ul {
    flex-direction: column;
    gap: 1.5rem;
    align-items: flex-start;
  }
  
  .menu-toggle {
    display: block;
  }
  
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
}