@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;700&display=swap');

:root {
  --color-bg: #0f172a;
  --color-surface: #1e293b;
  --color-text: #e2e8f0;
  --color-muted: #94a3b8;
  --color-accent: #00ff99; /* manual edit test */
  --color-accent-soft: #164e63;
  --font-heading: 'JetBrains Mono', 'Courier New', monospace;
  --font-body: 'Segoe UI', system-ui, sans-serif;
  --radius-md: 8px;
  --shadow-soft: 0 8px 32px rgba(34, 211, 238, 0.12);
  --gradient-hero: linear-gradient(135deg, #0f172a 0%, #1e3a5f 50%, #0e7490 100%);
}

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

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

/* Typography */
h1, h2, h3, h4, h5, h6, .mono-label {
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.mono-label {
  font-size: 0.85rem;
  text-transform: uppercase;
  color: var(--color-accent);
  letter-spacing: 0.15em;
  margin-bottom: 0.5rem;
  display: block;
}

/* Navigation */
header {
  background-color: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(34, 211, 238, 0.1);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  color: var(--color-text);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
}

.logo span {
  color: var(--color-accent);
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
  align-items: center;
}

.nav-links a {
  color: var(--color-muted);
  text-decoration: none;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  transition: color 0.3s ease, transform 0.2s ease;
}

.nav-links a:hover, .nav-links a.active {
  color: var(--color-accent);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-text);
  cursor: pointer;
}

/* Hero Section - Asymmetric Split */
.hero {
  background: var(--gradient-hero);
  padding: 6rem 2rem;
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 150px;
  background: linear-gradient(to top, var(--color-bg), transparent);
  pointer-events: none;
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 4rem;
  align-items: center;
}

.hero-content {
  animation: fadeIn 0.8s ease-out;
}

.hero-title {
  font-size: 3.5rem;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  background: linear-gradient(to right, #ffffff, var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--color-muted);
  margin-bottom: 2.5rem;
  max-width: 600px;
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  animation: float 6s ease-in-out infinite;
}

.duotone-card {
  background: var(--color-surface);
  border: 1px solid rgba(34, 211, 238, 0.2);
  border-radius: var(--radius-md);
  padding: 2rem;
  box-shadow: var(--shadow-soft);
  position: relative;
  width: 100%;
  max-width: 400px;
}

.duotone-card::before {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: linear-gradient(45deg, var(--color-accent), transparent, var(--color-accent-soft));
  border-radius: calc(var(--radius-md) + 2px);
  z-index: -1;
  opacity: 0.5;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-family: var(--font-heading);
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
}

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

.btn-primary:hover {
  background-color: #ffffff;
  box-shadow: 0 0 20px rgba(34, 211, 238, 0.4);
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: var(--color-accent-soft);
  color: var(--color-accent);
  border: 1px solid rgba(34, 211, 238, 0.3);
}

.btn-secondary:hover {
  background-color: rgba(34, 211, 238, 0.2);
  transform: translateY(-2px);
}

/* Main Content Sections */
section {
  padding: 5rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.section-header {
  margin-bottom: 3rem;
  text-align: center;
}

.section-title {
  font-size: 2.2rem;
  margin-bottom: 1rem;
}

/* Grid Layouts */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.card {
  background-color: var(--color-surface);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-md);
  padding: 2.5rem;
  transition: all 0.3s ease;
}

.card:hover {
  transform: translateY(-5px);
  border-color: rgba(34, 211, 238, 0.3);
  box-shadow: var(--shadow-soft);
}

.card-icon {
  color: var(--color-accent);
  font-size: 2rem;
  margin-bottom: 1.5rem;
}

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

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

.info-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.info-icon {
  color: var(--color-accent);
  background-color: var(--color-accent-soft);
  padding: 0.75rem;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  color: var(--color-muted);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form-control {
  width: 100%;
  background-color: rgba(15, 23, 42, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  color: var(--color-text);
  font-family: var(--font-body);
  transition: all 0.3s ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.15);
}

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

/* Success Message */
.success-banner {
  display: none;
  background-color: rgba(34, 211, 238, 0.1);
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  margin-bottom: 2rem;
  animation: slideDown 0.4s ease-out;
}

/* Footer */
footer {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding: 3rem 2rem;
  background-color: #0b111e;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 2rem;
}

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

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

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

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Responsive Design */
@media (max-width: 968px) {
  .hero-container, .contact-container {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .nav-toggle {
    display: block;
  }
  
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0; 
    right: 0;
    background-color: var(--color-surface);
    flex-direction: column;
    padding: 2rem;
    border-bottom: 1px solid rgba(34, 211, 238, 0.1);
    gap: 1.5rem;
  }
  
  .nav-links.active {
    display: flex;
  }
}