/* CSS Variables for the Dark Green Theme */
:root {
  --bg-color: #051a10;
  /* Deep dark green */
  --card-bg: #0d2e1f;
  /* Slightly lighter for cards */
  --text-primary: #ecfdf5;
  /* Very light mint/white */
  --text-secondary: #a7f3d0;
  /* Soft green */
  --accent-color: #10b981;
  /* Emerald green */
  --accent-glow: #34d399;
  /* Lighter emerald for glow */
  --nav-bg: rgba(5, 26, 16, 0.85);
  /* Glassmorphism base */
  --font-main: 'Outfit', sans-serif;
  --transition-speed: 0.3s;
}

/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

/* Typography */
h1,
h2,
h3,
h4 {
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

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

/* Navigation Bar (Toolbar) */
header {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--nav-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(16, 185, 129, 0.1);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--text-primary), var(--accent-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

nav ul {
  display: flex;
  list-style: none;
  gap: 2rem;
}

nav a {
  font-weight: 500;
  font-size: 1rem;
  position: relative;
  padding: 0.5rem 0;
}

nav a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: 0;
  left: 0;
  background-color: var(--accent-color);
  transition: width var(--transition-speed) ease;
  box-shadow: 0 0 8px var(--accent-glow);
}

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

nav a:hover {
  color: var(--accent-glow);
  text-shadow: 0 0 8px rgba(52, 211, 153, 0.4);
}

/* Active State for Navigation */
nav a.active {
  color: var(--accent-glow);
}

nav a.active::after {
  width: 100%;
}

/* Hero Section */
.hero {
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 0 2rem;
  background: radial-gradient(circle at 50% 50%, rgba(16, 185, 129, 0.15) 0%, transparent 70%);
}

.hero h1 {
  font-size: 4rem;
  margin-bottom: 1.5rem;
  line-height: 1.1;
  background: linear-gradient(to right, var(--text-primary), var(--accent-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: fadeInDown 0.8s ease-out;
}

.hero p {
  font-size: 1.25rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin-bottom: 2.5rem;
  animation: fadeInUp 0.8s ease-out 0.2s backwards;
}

.cta-button,
.btn-primary,
.btn-secondary {
  padding: 1rem 2rem;
  font-weight: 600;
  border-radius: 50px;
  transition: all var(--transition-speed) ease;
  display: inline-block;
  animation: fadeInUp 0.8s ease-out 0.4s backwards;
  text-align: center;
  border: 2px solid transparent;
}

.cta-button,
.btn-primary {
  background-color: var(--accent-color);
  color: var(--bg-color);
  box-shadow: 0 0 20px rgba(16, 185, 129, 0.4);
}

.cta-button:hover,
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 30px rgba(16, 185, 129, 0.6);
  background-color: var(--accent-glow);
}

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

.btn-secondary:hover {
  transform: translateY(-3px);
  background-color: rgba(16, 185, 129, 0.1);
  box-shadow: 0 0 20px rgba(16, 185, 129, 0.4);
}

/* Main Content Containers */
section {
  padding: 6rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.page-content {
  min-height: 80vh;
  padding-top: 8rem;
  /* Account for fixed header */
}

.section-title {
  font-size: 2.5rem;
  margin-bottom: 3rem;
  text-align: center;
  position: relative;
  display: block;
  /* changed from inline-block for easier centering */
}

.section-title::before {
  content: '';
  position: absolute;
  width: 60px;
  height: 4px;
  background: var(--accent-color);
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  border-radius: 2px;
  box-shadow: 0 0 10px var(--accent-glow);
}

/* Cards (Projects/Resume items) */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.card-link {
  display: block;
  text-decoration: none;
  color: inherit;
}

.card {
  background-color: var(--card-bg);
  padding: 2rem;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
  position: relative;
  overflow: hidden;
  height: 100%;
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
  border-color: rgba(16, 185, 129, 0.3);
}

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

.card h3 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.card p {
  color: var(--text-secondary);
  font-size: 1rem;
}

.tag {
  font-size: 0.75rem;
  padding: 0.25rem 0.75rem;
  background: rgba(16, 185, 129, 0.2);
  border: 1px solid var(--accent-color);
  border-radius: 20px;
  color: var(--accent-color);
  text-transform: uppercase;
  font-weight: 600;
}

/* Footer */
footer {
  text-align: center;
  padding: 2rem;
  background-color: #020d08;
  color: var(--text-secondary);
  font-size: 0.9rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

/* Project Detail Specifics */
.project-header {
  text-align: center;
  margin-bottom: 3rem;
}

.project-meta {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-top: 1rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.project-showcase {
  background: var(--card-bg);
  border-radius: 16px;
  padding: 3rem;
  margin-bottom: 3rem;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--accent-color);
  margin-bottom: 2rem;
  font-weight: 600;
  margin-top: 1rem;
}

.back-link:hover {
  text-decoration: underline;
}

/* Animations */
@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }

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

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

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

/* Mobile Responsive */
@media (max-width: 768px) {
  header {
    flex-direction: column;
    padding: 1rem;
  }

  nav ul {
    margin-top: 1rem;
    gap: 1.5rem;
    font-size: 0.9rem;
  }

  .hero h1 {
    font-size: 2.5rem;
  }

  .profile-container {
    flex-direction: column;
    text-align: center;
  }
}