:root {
  --bg-deep:        #0a0a0f; 
  --bg-dark:        #101018; 
  --bg-card:        #151520; 
  --bg-glass:       rgba(25, 25, 35, 0.4); 

  --accent:         #9b7fe8; 
  --accent-dim:     rgba(155, 127, 232, 0.15); 
  --accent-glow:    rgba(155, 127, 232, 0.3); 

  --text-primary:   #f4f3fa; 
  --text-secondary: #a3a1b5; 
  --text-muted:     #6b6980; 

  --border:         rgba(255, 255, 255, 0.08);
  --border-hover:   rgba(155, 127, 232, 0.4);

  --font-display:   'Cormorant Garamond', Georgia, serif;
  --font-body:      'DM Sans', sans-serif;
  --font-mono:      'DM Mono', monospace;

  --radius-md:  12px;
  --radius-lg:  20px;
  --transition: 0.5s cubic-bezier(0.25, 1, 0.5, 1); 
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background-color: var(--bg-deep);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-deep); }
::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 4px; }

.container { width: 90%; max-width: 1140px; margin: 0 auto; }
.section { padding: 6rem 0; }

.section-header { text-align: center; margin-bottom: 2.5rem; }
.section-tag {
  font-family: var(--font-mono); font-size: 0.75rem; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--accent);
  display: inline-block; margin-bottom: 1rem;
  padding: 6px 16px; border: 1px solid var(--accent-dim); border-radius: 100px;
}
.section-title {
  font-family: var(--font-display); font-size: clamp(2.2rem, 5vw, 3.2rem);
  font-weight: 400; color: var(--text-primary);
}
.section-title em { font-style: italic; color: var(--accent); }
.section-subtitle { color: var(--text-secondary); font-size: 1.05rem; margin-top: 0.5rem; }

.glass-card {
  background: var(--bg-glass); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border); border-radius: var(--radius-lg); 
  transition: var(--transition);
}
.glass-card:hover { 
  border-color: var(--border-hover); 
  box-shadow: 0 20px 40px rgba(0,0,0,0.4), 0 0 30px var(--accent-glow); 
  transform: translateY(-6px); 
}

.btn {
  display: inline-flex; align-items: center; gap: 8px; justify-content: center;
  padding: 14px 32px; border-radius: 100px; font-weight: 500; font-size: 0.95rem;
  transition: var(--transition); border: 1px solid transparent; cursor: pointer;
}
.btn-primary { background: var(--accent); color: #fff; box-shadow: 0 4px 15px var(--accent-dim); }
.btn-primary:hover { background: #ae97f2; transform: translateY(-3px); box-shadow: 0 8px 25px var(--accent-glow); }
.btn-outline { background: transparent; color: var(--text-primary); border-color: var(--border); }
.btn-outline:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-3px); }
.full-width { width: 100%; }

.navbar {
  position: fixed; top: 0; width: 100%; z-index: 1000; padding: 1.5rem 0;
  transition: var(--transition); border-bottom: 1px solid transparent;
}
.navbar.scrolled {
  padding: 1rem 0; background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border-bottom-color: var(--border);
}
.nav-container { display: flex; justify-content: space-between; align-items: center; width: 90%; max-width: 1140px; margin: 0 auto; }
.nav-container a { display: inline-block; }
.nav-logo { font-family: var(--font-mono); font-size: 1.2rem; font-weight: 500; letter-spacing: 0.05em; }
.dot { color: var(--accent); }

.nav-links { display: flex; gap: 2.5rem; }
.nav-link { font-size: 0.9rem; color: var(--text-secondary); position: relative; transition: color 0.3s ease; }
.nav-link::after {
  content: ''; position: absolute; bottom: -4px; left: 0;
  width: 0%; height: 1px; background: var(--accent); transition: width 0.3s ease;
}
.nav-link:hover, .nav-link.active { color: var(--text-primary); }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }

.hamburger { display: none; flex-direction: column; gap: 6px; background: none; border: none; cursor: pointer; z-index: 1001; }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--text-primary); transition: var(--transition); }

.hero { 
  min-height: 100vh; 
  display: flex; 
  align-items: center; 
  justify-content: center;
  position: relative; 
  padding-top: 80px; 
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 60vw;
  height: 60vw;
  max-width: 800px;
  max-height: 800px;
  background: radial-gradient(circle, rgba(155, 127, 232, 0.15) 0%, rgba(10, 10, 15, 0) 70%);
  filter: blur(60px);
  z-index: 0;
  animation: pulseGlow 8s ease-in-out infinite alternate;
}

@keyframes pulseGlow {
  0% { opacity: 0.5; transform: translate(-50%, -50%) scale(1); }
  100% { opacity: 1; transform: translate(-50%, -50%) scale(1.1); }
}

.hero-container { max-width: 800px; z-index: 2; position: relative; }
.text-center { text-align: center; }

.hero-label { 
  font-family: var(--font-mono); 
  color: var(--accent); 
  font-size: 0.85rem; 
  letter-spacing: 0.2em; 
  text-transform: uppercase; 
  margin-bottom: 1.5rem; 
}

.hero-name { 
  font-family: var(--font-display); 
  font-size: clamp(3.5rem, 8vw, 6rem); 
  line-height: 1.05; 
  margin-bottom: 1.5rem; 
  letter-spacing: -0.01em;
}

.hero-name em { color: var(--accent); font-style: italic; font-weight: 300; }

.hero-desc { 
  color: var(--text-secondary); 
  font-size: 1.15rem; 
  margin: 0 auto 3rem auto; 
  max-width: 600px; 
  line-height: 1.7; 
}

.hero-buttons { 
  display: flex; 
  justify-content: center;
  flex-wrap: wrap; 
  gap: 1.2rem; 
}

.filter-container {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3.5rem;
}
.filter-btn {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
  padding: 10px 24px;
  border-radius: 100px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}
.filter-btn:hover { border-color: var(--text-primary); color: var(--text-primary); }
.filter-btn.active {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: var(--text-primary);
}

.project-grid { 
  display: grid; 
  grid-template-columns: repeat(2, 1fr); 
  gap: 2.5rem; 
}

.project-card.featured-card { 
  grid-column: span 2; 
}

.project-card { 
  display: none; 
  flex-direction: column; 
  overflow: hidden; 
}
.project-card.show {
  display: flex;
  animation: fadeIn 0.6s cubic-bezier(0.25, 1, 0.5, 1) forwards;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.img-wrap { 
  position: relative; 
  width: 100%; 
  height: 320px;            
  background: #09090d; 
  overflow: hidden; 
  border-bottom: 1px solid var(--border); 
  padding: 0.6rem 0.6rem 0 0.6rem; 
  display: flex;
  align-items: flex-end;    
  justify-content: center;
}

.project-card.featured-card .img-wrap { 
  height: 380px;          
  padding: 1rem 1rem 0 1rem;
}

.placeholder-overlay {
  position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center;
  color: var(--text-muted); font-family: var(--font-mono); font-size: 0.85rem; z-index: 1; gap: 8px;
}
.placeholder-overlay i { font-size: 1.5rem; color: var(--accent-dim); }

.img-wrap img {
  position: relative;       
  width: 100%; 
  height: 100%; 
  object-fit: cover;        
  object-position: center 20%; 
  z-index: 2; 
  border-radius: 12px 12px 0 0; 
  transition: transform 0.8s cubic-bezier(0.25, 1, 0.5, 1);
}

.project-card:hover .img-wrap img { 
  transform: translateY(-4px) scale(1.02); 
}

.card-body { padding: 2rem; flex-grow: 1; display: flex; flex-direction: column; }
.card-tag { font-family: var(--font-mono); font-size: 0.75rem; color: var(--accent); text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 0.6rem; display: block; }
.card-body h3 { font-size: 1.4rem; margin-bottom: 0.6rem; font-weight: 500; letter-spacing: -0.01em; color: var(--text-primary); }
.card-body p { color: var(--text-secondary); font-size: 0.95rem; margin-bottom: 1.8rem; flex-grow: 1; line-height: 1.6; }

.tech-stack { display: flex; flex-wrap: wrap; gap: 8px; }
.tech-stack span {
  font-family: var(--font-mono); font-size: 0.72rem; padding: 4px 12px;
  background: rgba(255, 255, 255, 0.03); border: 1px solid var(--border); border-radius: 100px; color: var(--text-secondary);
}

.project-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem;
  margin-top: 1.8rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
}
.project-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-primary);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 4px;
  transition: var(--transition);
}
.project-link i {
  font-size: 1.1rem;
  color: var(--accent);
  transition: var(--transition);
}
.project-link:hover {
  color: var(--accent);
  border-color: var(--accent);
}
.project-link:hover i {
  color: #fff;
}

body.filter-web .project-grid,
body.filter-uiux .project-grid {
  grid-template-columns: repeat(2, 1fr); 
}
body.filter-web .project-card,
body.filter-uiux .project-card {
  grid-column: span 1 !important;
}
body.filter-web .img-wrap,
body.filter-uiux .img-wrap {
  height: 320px !important; 
  padding: 0.6rem 0.6rem 0 0.6rem !important;
}

.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
.about-text p { color: var(--text-secondary); font-size: 1.05rem; margin-bottom: 1.5rem; }

.skills-wrapper { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 2.5rem; }
.skills-title { font-size: 1.3rem; margin-bottom: 1.5rem; display: flex; align-items: center; gap: 10px; }
.skills-title i { color: var(--accent); }
.skills-list { display: flex; flex-wrap: wrap; gap: 12px; }
.skill-item span {
  display: block; padding: 8px 16px; border: 1px solid var(--border); border-radius: 100px;
  font-size: 0.9rem; color: var(--text-primary); transition: var(--transition);
}
.skill-item span:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-dim); }

.contact-card { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; padding: 3rem; align-items: center; }
.contact-info h3 { font-size: 1.8rem; margin-bottom: 1rem; }
.contact-info p { color: var(--text-secondary); margin-bottom: 2rem; }
.email-link { font-family: var(--font-mono); font-size: 1.1rem; color: var(--accent); text-decoration: underline; text-underline-offset: 6px; }
.email-link:hover { color: #fff; }

.contact-socials {
  display: flex;
  gap: 1.5rem;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}
.contact-socials a {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
  font-size: 1rem;
  font-weight: 500;
  transition: var(--transition);
}
.contact-socials a i { font-size: 1.3rem; color: var(--accent); transition: var(--transition); }
.contact-socials a:hover { color: var(--text-primary); transform: translateY(-3px); }
.contact-socials a:hover i { color: #fff; text-shadow: 0 0 10px var(--accent-glow); }

.contact-form .input-group { margin-bottom: 1.5rem; }
.contact-form input, .contact-form textarea {
  width: 100%; background: var(--bg-deep); border: 1px solid var(--border); border-radius: var(--radius-md);
  padding: 1rem; color: var(--text-primary); font-family: var(--font-body); transition: var(--transition); outline: none;
}
.contact-form input:focus, .contact-form textarea:focus { border-color: var(--accent); background: var(--bg-dark); }
.contact-form textarea { resize: vertical; }

.footer { border-top: 1px solid var(--border); padding: 3rem 0 1rem; background: var(--bg-card); }
.footer-container { display: flex; justify-content: space-between; align-items: center; margin-bottom: 3rem; }
.footer-logo { font-family: var(--font-mono); font-size: 1.5rem; font-weight: 500; margin-bottom: 0.5rem; display: block; }
.footer-left p { color: var(--text-secondary); font-size: 0.95rem; }
.footer-right { display: flex; gap: 1rem; }
.footer-right a {
  display: flex; align-items: center; justify-content: center; width: 45px; height: 45px;
  background: var(--bg-deep); border: 1px solid var(--border); border-radius: 50%;
  color: var(--text-secondary); font-size: 1.2rem; transition: var(--transition);
}
.footer-right a:hover { background: var(--accent); color: #fff; border-color: var(--accent); transform: translateY(-3px); }
.footer-bottom { text-align: center; color: var(--text-muted); font-size: 0.85rem; border-top: 1px solid var(--border); padding-top: 1.5rem; }

.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.8s cubic-bezier(0.22, 1, 0.36, 1), transform 0.8s cubic-bezier(0.22, 1, 0.36, 1); will-change: transform, opacity; }
.reveal.visible { opacity: 1; transform: translateY(0); }

@media screen and (max-width: 992px) {
  .about-grid, .contact-card { grid-template-columns: 1fr; gap: 3rem; }
  .contact-card { padding: 2rem; }
  .project-card.featured-card .img-wrap { height: 280px; padding: 0.6rem 0.6rem 0 0.6rem; }
}

@media screen and (max-width: 768px) {
  .project-grid { grid-template-columns: 1fr; }
  .project-card.featured-card { grid-column: span 1; }
  .img-wrap, .project-card.featured-card .img-wrap { height: 240px !important; padding: 0.4rem 0.4rem 0 0.4rem !important; }
  
  body.filter-web .project-grid, body.filter-uiux .project-grid { grid-template-columns: 1fr; }

  .hamburger { display: flex; }
  .nav-links {
    position: fixed; top: 0; left: 0; width: 100%; height: 100vh;
    background: var(--bg-deep); flex-direction: column; justify-content: center;
    transform: translateX(100%); transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1); z-index: -1;
  }
  .nav-links.active { transform: translateX(0); }
  .hamburger.active span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
  .hamburger.active span:nth-child(2) { opacity: 0; }
  .hamburger.active span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }
  .footer-container { flex-direction: column; gap: 2rem; text-align: center; }
}