:root {
  --bg: #f6f8fa;
  --card: #ffffff;
  --muted: #6b7280;
  --subtitle: #525a65;
  --text: #0f1720;
  --accent: #0b69d4;
  --shadow: 0 8px 20px rgba(0,0,0,0.06);
  --rounded: 14px;
  --container: 1400px;
  --spacing: 16px;
}

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

body {
  font-family: Inter, system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

.container {
  width: 90%;
  max-width: var(--container);
  margin: 0 auto;
}

/* Top Bar */
.topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: #24292f;
  color: #fff;
  z-index: 999;
  box-shadow: 0 1px 4px rgba(0,0,0,0.1);
}
.topbar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
}
.topnav {
  display: flex;
  gap: 14px;
}
.topnav a {
  color: #fff;
  text-decoration: none;
  padding: 6px 12px;
  border-radius: 6px;
}
.topnav a:hover {
  background: rgba(255,255,255,0.1);
}

/* Section layout */
.section {
  padding: 100px 0 0;
}
.section h2 {
  margin-bottom: var(--spacing);
  font-size: 1.8rem;
}

/* Hero/Profile */
.hero-card {
  background: var(--card);
  padding: 22px;
  border-radius: var(--rounded);
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: var(--shadow);
  margin-top: var(--spacing);
}
.hero-left h1 {
  margin-bottom: 8px;
}
.muted { color: var(--muted); }
.subtitle { color: var(--subtitle); }

/* Avatar with image */
.avatar {
  width: 110px;
  height: 110px;
  border-radius: 50%;
  overflow: hidden;
  box-shadow: 0 0 0 4px #e5efff, 0 4px 8px rgba(0,0,0,0.08);
}
.avatar img {
  width: 100%;
  height: 100%;
  object-fit:inherit;
}

/* Skills */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing);
}
.skill-card {
  background: var(--card);
  padding: var(--spacing);
  border-radius: var(--rounded);
  box-shadow: var(--shadow);
}
.skill-card h3 {
  margin-bottom: 8px;
  color: var(--accent);
}

.skill-card li {
    margin-left: var(--spacing);
}

/* Experience */
.exp-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing);
}
.exp-item {
  display: flex;
  align-items: center;
  gap: var(--spacing);
  background: var(--card);
  padding: var(--spacing);
  border-radius: var(--rounded);
  box-shadow: var(--shadow);
}
.exp-logo img {
  width: 80px;
  height: 80px;
  border-radius: 10px;
  object-fit: cover;
}
.exp-body h3 {
  margin-bottom: 4px;
}

/* Portfolio */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
  gap: var(--spacing);
}
.project-card {
  background: var(--card);
  padding: var(--spacing);
  border-radius: var(--rounded);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: var(--spacing);
}

.project-header {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing);
  position: relative;
  padding-top: var(--spacing);
}

.project-icon img {
  width: 90px;
  height: 90px;
  border-radius: var(--rounded);
  object-fit: cover;
}

.project-info h3 {
  margin-bottom: 4px;
}

.project-github {
  display: flex;
  align-items: center;
  gap: 6px;
  position: absolute;
  top: var(--spacing);
  right: var(--spacing);
  text-decoration: none;
  color: var(--accent);
  font-weight: 600;
  font-size: 0.9rem;
}
.project-github img {
  width: 16px;
  height: 16px;
}

/* Screenshots — 2 per row */
.screens-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing);
}

.screens-row img {
  width: calc(50% - var(--spacing));
  max-width: 520px;
  height: auto;
  border-radius: 12px;
  object-fit: cover;
  border: 1px solid #e2e8f0;
  box-shadow: 0 2px 6px rgba(0,0,0,0.05);
}

/* Store links */
.store-row {
  margin-top: 4px;
}
.store-row a {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--accent);
  font-weight: 600;
  text-decoration: none;
  transition: opacity 0.2s ease;
}
.store-row a:hover {
  opacity: 0.8;
}
.store-row img {
  width: 18px;
  height: 18px;
}

/* Footer */
.site-footer {
  background: #24292f;
  color: #ffffff;
  text-align: center;
  padding: 40px 20px;
  margin-top: 80px;
  border-top: 1px solid rgba(255,255,255,0.1);
}

.site-footer h2 {
  font-size: 1.6rem;
  margin-bottom: 16px;
  font-weight: 600;
}

.footer-social {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-bottom: 20px;
}

.footer-social a {
  color: #ffffff;
  text-decoration: none;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: color 0.3s ease, transform 0.2s ease;
}

.footer-social a:hover {
  color: var(--accent);
  transform: translateY(-2px);
}

.footer-social i {
  font-size: 1.2rem;
}

.footer-note {
  display: block;
  color: var(--muted);
  font-size: 0.85rem;
  margin-top: 10px;
}

/* Responsive */
@media (max-width: 900px) {
  .portfolio-grid {
    grid-template-columns: 1fr;
  }
  .screens-row img {
    flex: 1 1 100%;
  }
  .hero-card {
    flex-direction: column;
    text-align: center;
    gap: 16px;
  }
}