:root {
  --bg: #0f1724;
  --card: #0b1220;
  --muted: #9aa7b3;
  --accent: #00c6d7;
  --radius: 12px;
  --container: 1100px;
}

* { box-sizing: border-box }
html, body { height: 100% }
body {
  margin: 0;
  font-family: Inter, system-ui, Arial, sans-serif;
  background: linear-gradient(180deg, #0b1220 0%, #0f1724 100%);
  color: #e6eef3;
  line-height: 1.5;
}

/* container */
.container { max-width: var(--container); margin: 0 auto; padding: 2rem }

/* header */
.site-header {
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(10px);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 10;
}
.nav-inner { display: flex; align-items: center; justify-content: space-between }
.logo a {
  font-weight: 700;
  color: #fff;
  text-decoration: none;
  letter-spacing: 1px;
}
nav { display: flex; gap: 1rem; align-items: center }
nav a {
  color: var(--muted);
  text-decoration: none;
  padding: .4rem .6rem;
  border-radius: 8px;
  transition: all 0.3s ease;
}
nav a:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.05);
  box-shadow: 0 4px 12px rgba(0, 198, 215, 0.3);
}
nav a.active {
  color: var(--accent);
  font-weight: 600;
}

/* mobile menu */
.menu-btn { display: none; background: none; border: none; color: var(--muted); font-size: 1.4rem }

/* hero */
.hero {
  display: flex;
  gap: 2rem;
  align-items: center;
  padding: 3rem 0;
  background: linear-gradient(135deg, #0d1b2a, #1b263b, #0d1b2a);
  border-radius: var(--radius);
}
.hero-left { flex: 1 }
.hero-right { flex: 0 0 320px; text-align: center }
.profile {
  width: 260px;
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(0, 198, 215, 0.4);
  border: 2px solid var(--accent);
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}
.profile:hover {
  transform: scale(1.05);
  box-shadow: 0 15px 40px rgba(0, 198, 215, 0.6);
}
h1 { font-size: 2.4rem; margin: 0 }
h2 { color: var(--accent); margin: .5rem 0 1rem; font-weight: 600 }
.btn {
  display: inline-block;
  padding: .6rem 1rem;
  border-radius: 10px;
  background: var(--accent);
  color: #05121a;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  margin-right: 0.5rem;
}
.btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0, 198, 215, 0.5);
}
.btn.outline {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.06);
  color: #fff;
}
.btn.outline:hover {
  background: var(--accent);
  color: #05121a;
  box-shadow: 0 8px 20px rgba(0, 198, 215, 0.5);
}
.hero-ctas .social-links { margin-top: .8rem }
.hero-ctas .social-links a {
  margin-right: .6rem;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.3s ease;
}
.hero-ctas .social-links a:hover {
  color: var(--accent);
}

/* skills strip */
.skills-strip {
  background: rgba(255, 255, 255, 0.02);
  padding: .8rem 0;
  color: var(--muted);
  font-size: .95rem;
}
.skills-strip span {
  color: var(--accent);
}

/* page content */
.page { padding: 2rem 0 }
.two-col { display: flex; gap: 2rem; align-items: flex-start }
.two-col img.about-profile { width: 220px; border-radius: 12px }

/* project grid */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}
.project-card {
  background: var(--card);
  padding: 1rem;
  border-radius: 12px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.project-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 198, 215, 0.4);
}
.project-card img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  border-radius: 8px;
}
.project-links a {
  display: inline-block;
  margin-right: .6rem;
  margin-top: .6rem;
  color: var(--accent);
  text-decoration: none;
}
.project-links a:hover {
  text-decoration: underline;
}

/* skill cards */
.skill-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}
.skill-card {
  background: var(--card);
  padding: 1rem;
  border-radius: 12px;
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}
.skill-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 15px rgba(0, 198, 215, 0.3);
}

/* footer */
.site-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.03);
  padding: 1rem 0;
  margin-top: 2rem;
  color: var(--muted);
  text-align: center;
}
.site-footer a {
  color: var(--accent);
  text-decoration: none;
}
.site-footer a:hover {
  text-decoration: underline;
}

/* simple responsive */
@media (max-width:900px) {
  .hero { flex-direction: column; text-align: center }
  .hero-right { order: -1 }
  nav { display: none }
  .menu-btn { display: block }
}

.exam-title {
  margin-top: 0.4rem;
  margin-bottom: 0.4rem;
  font-size: 1rem;
  color: var(--accent);
}

.exam-list.column {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.badge {
  background: linear-gradient(135deg, var(--accent), #1fd1f9);
  color: #05121a;
  padding: 0.4rem 0.8rem;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 600;
  box-shadow: 0 3px 8px rgba(0, 198, 215, 0.4);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  display: inline-block;
  width: fit-content;
}

.badge:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 12px rgba(0, 198, 215, 0.6);
}
/* Hobbies Section */
.hobbies-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-top: 30px;
}

.hobby-card {
  background: linear-gradient(135deg, #0f2027, #203a43, #2c5364);
  padding: 20px;
  border-radius: 20px;
  text-align: center;
  color: #fff;
  box-shadow: 0 0 15px rgba(0,255,255,0.4);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  animation: glitter 2s infinite alternate;
}

.hobby-card i {
  color: #00eaff;
  margin-bottom: 15px;
  text-shadow: 0 0 15px #00eaff, 0 0 25px #00eaff;
}

.hobby-card:hover {
  transform: scale(1.08);
  box-shadow: 0 0 30px rgba(0,255,255,0.7);
}

.hobby-card h2 {
  margin: 10px 0;
  font-size: 1.4rem;
  color: #ffda79;
  text-shadow: 0 0 10px #ffd700;
}

@keyframes glitter {
  from { box-shadow: 0 0 15px rgba(0,255,255,0.4); }
  to { box-shadow: 0 0 30px rgba(255,215,0,0.8); }
}
/* Contact Page */
.contact-info {
  margin: 20px 0;
  padding: 20px;
  border-radius: 15px;
  background: linear-gradient(135deg, #0f2027, #203a43, #2c5364);
  box-shadow: 0 0 20px rgba(0,255,255,0.3);
  animation: glowBox 3s infinite alternate;
  color: #fff;
}

.contact-info p {
  margin: 10px 0;
  font-size: 1.1rem;
}

.contact-info i {
  color: #00eaff;
  margin-right: 8px;
  text-shadow: 0 0 8px #00eaff;
}

/* Glow Animation */
@keyframes glowBox {
  from { box-shadow: 0 0 15px rgba(0,255,255,0.3); }
  to { box-shadow: 0 0 30px rgba(255,215,0,0.7); }
}