:root {
  --primary-bg-color: #0d0d10; 
  --secondary-color: #1a1a20;
  --text-color: #eaeaea;
  --text-muted: #9ca3af;
  --accent-color: #3b82f6;
  --accent-hover: #2563eb;
  --border-color: rgba(255, 255, 255, 0.08);
}

/* Reset & base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: 'Roboto', sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--primary-bg-color);
}
a {
  text-decoration: none;
  color: inherit;
}
.container {
  width: 90%;
  max-width: 1100px;
  margin: 0 auto;
}

/* Header */
.header {
  background-color: var(--primary-bg-color);
  box-shadow: 0 2px 4px rgba(0,0,0,0.4);
  position: sticky;
  top: 0;
  z-index: 1000;
}
.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
}
.site-title {
  font-size: 1.5rem;
  font-weight: 700;
}
.site-title .highlight {
  color: var(--accent-color);
}
.nav-list {
  list-style: none;
  display: flex;
  gap: 1.5rem;
}
.nav-list a {
  font-weight: 500;
  color: var(--text-color);
  padding: 0.4rem 0.6rem;
  transition: color 0.2s;
}
.nav-list a:hover {
  color: var(--accent-color);
}

/* Hero */
.hero {
  padding: 4rem 0;
  background-color: var(--primary-bg-color);
  border-bottom: 1px solid var(--border-color);
}
.hero-container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
}
.hero-text {
  flex: 1;
  min-width: 280px;
}
.hero-text h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: var(--text-color);
}
.hero-text p {
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
  color: var(--text-muted);
}
.btn {
  display: inline-block;
  padding: 0.8rem 1.5rem;
  background-color: var(--accent-color);
  color: white;
  border: none;
  border-radius: 8px;
  font-weight: 500;
  cursor: pointer;
  transition: background-color 0.2s, transform 0.2s;
}
.btn:hover {
  background-color: var(--accent-hover);
  transform: translateY(-2px);
}
.hero-tech {
  flex: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  align-items: center;
  margin-top: 2rem;
}
.tech-icon {
  width: 50px;
  height: 50px;
  opacity: 0.8;
  transition: opacity 0.3s, transform 0.3s;
}
.tech-icon:hover {
  opacity: 1;
  transform: scale(1.1);
}

/* Skills */
.skills {
  padding: 4rem 0;
}
.skills h3 {
  text-align: center;
  font-size: 2rem;
  margin-bottom: 2rem;
  color: var(--text-color);
}
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px,1fr));
  gap: 1.5rem;
}
.skill-card {
  background: var(--secondary-color);
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.4);
  text-align: center;
  transition: transform 0.2s;
  border: 1px solid var(--border-color);
}
.skill-card:hover {
  transform: translateY(-5px);
}

/* Projects */
.projects {
  padding: 4rem 0;
  background-color: var(--primary-bg-color);
}
.projects h3 {
  text-align: center;
  font-size: 2rem;
  margin-bottom: 2rem;
  color: var(--text-color);
}
.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}
.project-card {
  background: var(--secondary-color);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0,0,0,0.5);
  display: flex;
  flex-direction: column;
  transition: transform 0.3s;
  border: 1px solid var(--border-color);
}
.project-card:hover {
  transform: translateY(-8px);
}
.project-card img {
  width: 100%;
  display: block;
  object-fit: cover;
  height: 180px;
}
.project-info {
  padding: 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.project-info h4 {
  margin-bottom: 0.8rem;
  font-size: 1.3rem;
  color: var(--text-color);
}
.project-info p {
  flex: 1;
  color: var(--text-muted);
  font-size: 1rem;
}
.project-links {
  margin-top: 1rem;
  display: flex;
  gap: 1rem;
}
.project-viewMore {
  margin: 0 auto;
  margin-top: 1.5rem; 
  width: fit-content;
  transition: all 0.2s ease-in-out;
}
.project-viewMore:hover {
  background-color: var(--accent-hover);
  transform: translateY(-2px);
}
.link-btn {
  padding: 0.5rem 1rem;
  background-color: var(--accent-color);
  color: white;
  border-radius: 6px;
  font-size: 0.9rem;
  transition: background-color 0.2s, transform 0.2s;
}
.link-btn:hover {
  background-color: var(--accent-hover);
  transform: translateY(-2px);
}

/* Contact */
.contact {
  padding: 4rem 0;
}
.contact h3 {
  text-align: center;
  font-size: 2rem;
  margin-bottom: 2rem;
  color: var(--text-color);
}
.contact-form {
  max-width: 600px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.contact-form input,
.contact-form textarea {
  padding: 0.8rem 1rem;
  background: var(--secondary-color);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-size: 1rem;
  font-family: inherit;
  color: var(--text-color);
  transition: border-color 0.2s;
}
.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--accent-color);
}
.contact-form button {
  align-self: flex-start;
}

/* Footer */
.footer {
  background-color: var(--secondary-color);
  padding: 2rem 0;
  border-top: 1px solid var(--border-color);
}
.footer .container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
}
.footer p {
  color: var(--text-muted);
}
.social-links {
  display: flex;
  gap: 1rem;
}
.social-links a {
  color: var(--text-muted);
  transition: color 0.2s;
}
.social-links a:hover {
  color: var(--accent-color);
}

/* Responsive tweaks */
@media (max-width: 768px) {
  .hero-container {
    flex-direction: column;
  }
  .hero-tech {
    margin-top: 1rem;
  }
}