@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;700&display=swap');
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html {
  scroll-behavior: smooth; 
}

:root {
  --bg-color: #0f172a; 
  --border-color: rgba(255, 255, 255, 0.08); 
  --border-hover: rgba(255, 255, 255, 0.25);
  
  --text-primary: #f8fafc; 
  --text-secondary: #cbd5e1; 
  --text-tertiary: #94a3b8; 
  
  --accent: #a78bfa; 
  --accent-light: #c4b5fd;
  
  --font-main: 'Inter', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  --glass-bg: rgba(15, 23, 42, 0.4);
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-color);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow: hidden; 
  height: 100vh;
  width: 100vw;
}


.mesh-bg { position: fixed; inset: 0; z-index: -1; background-color: var(--bg-color); overflow: hidden; }
.blob { position: absolute; filter: blur(120px); border-radius: 50%; opacity: 0.35; animation: floatBlob 25s infinite alternate cubic-bezier(0.4, 0, 0.2, 1); }
.blob-1 { width: 70vw; height: 70vw; background: #6366f1; top: -20vh; left: -10vw; }
.blob-2 { width: 60vw; height: 60vw; background: #ec4899; bottom: -10vh; right: -10vw; animation-delay: -5s; animation-duration: 30s; }
.blob-3 { width: 50vw; height: 50vw; background: #06b6d4; top: 30vh; left: 40vw; animation-delay: -10s; animation-duration: 35s; }

@keyframes floatBlob { 0% { transform: translate(0, 0) scale(1); } 100% { transform: translate(5vw, 5vh) scale(0.9); } }


.navbar {
  position: fixed; top: 0; left: 0; right: 0; padding: 20px 32px;
  display: flex; align-items: center;
  background: rgba(15, 23, 42, 0.6); backdrop-filter: blur(20px); border-bottom: 1px solid var(--border-color);
  z-index: 100;
}
.nav-brand { font-family: var(--font-mono); font-size: 0.95rem; font-weight: 700; color: var(--text-primary); cursor: pointer; text-decoration: none; }
.cursor { animation: blink 1s step-end infinite; color: var(--accent); }
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }

.nav-links { display: flex; gap: 32px; list-style: none; margin: 0 auto; }
.nav-link { color: var(--text-secondary); text-decoration: none; font-size: 0.9rem; font-weight: 500; cursor: pointer; transition: color 0.3s; }
.nav-link:hover, .nav-link.active { color: var(--text-primary); }

.nav-controls { display: flex; align-items: center; flex-shrink: 0; }
.nav-btn { background: rgba(255,255,255,0.05); border: 1px solid var(--border-color); border-radius: 6px; color: var(--text-secondary); padding: 6px 12px; cursor: pointer; transition: all 0.3s; }
.nav-btn:hover { border-color: var(--text-primary); color: var(--text-primary); }

.slide-indicators {
  position: fixed; right: 32px; top: 50%; transform: translateY(-50%);
  display: flex; flex-direction: column; gap: 12px; z-index: 100;
}
.indicator-dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--border-color);
  cursor: pointer; transition: all 0.3s; text-decoration: none; display: block;
}
.indicator-dot:hover { background: var(--border-hover); }
.indicator-dot.active { background: var(--accent); transform: scale(1.5); }


.fullpage-wrapper {
  height: 100vh; 
  width: 100vw;
  overflow-y: scroll; 
  overflow-x: hidden;
  scroll-snap-type: y mandatory; 
  scroll-behavior: smooth;
}


.fullpage-wrapper::-webkit-scrollbar { width: 0; background: transparent; }

.slide {
  height: 100vh; 
  width: 100vw;
  scroll-snap-align: start; 
  display: flex; align-items: center; justify-content: center;
  padding: 80px 24px 0; 
  box-sizing: border-box;
  scroll-snap-stop: always; 
}

.slide-content {
  width: 100%; max-width: 840px;
  max-height: 80vh; 
  display: flex; flex-direction: column;
}


.scrollable-content {
  overflow-y: auto; overflow-x: hidden;
  padding-right: 16px; flex: 1;
  
  overscroll-behavior: contain; 
}
.scrollable-content::-webkit-scrollbar { width: 6px; }
.scrollable-content::-webkit-scrollbar-track { background: transparent; }
.scrollable-content::-webkit-scrollbar-thumb { background: var(--border-hover); border-radius: 10px; }


.section-header { display: flex; align-items: baseline; gap: 16px; margin-bottom: 32px; border-bottom: 1px solid var(--border-color); padding-bottom: 12px; flex-shrink: 0; }
.section-num { font-family: var(--font-mono); font-size: 1.1rem; color: var(--text-tertiary); }
.section-title { font-size: 1.8rem; font-weight: 600; color: var(--text-primary); letter-spacing: -0.02em; }


.hello-world-wrap { font-family: var(--font-mono); font-size: 0.9rem; margin-bottom: 24px; display: inline-block; padding: 8px 16px; background: var(--glass-bg); backdrop-filter: blur(10px); border: 1px solid var(--border-color); border-radius: 8px; }
.hw-keyword { color: #c678dd; } .hw-method { color: #e5c07b; } .hw-function { color: #61afef; } .hw-string { color: #98c379; }

.profile-wrap { flex-shrink: 0; }
.profile-pic { width: 140px; height: 140px; border-radius: 50%; object-fit: cover; border: 2px solid var(--border-hover); box-shadow: 0 8px 32px rgba(0,0,0,0.3); transition: transform 0.3s; }
.profile-pic:hover { transform: scale(1.05) rotate(3deg); border-color: var(--accent); }

.hero-header-wrap { display: flex; align-items: center; gap: 32px; margin-bottom: 24px; }
.hero-titles { display: flex; flex-direction: column; }
.hero-name { font-size: 3.5rem; font-weight: 700; letter-spacing: -0.04em; margin-bottom: 8px; color: var(--text-primary); line-height: 1.1; }
.hero-role { font-size: 1.25rem; font-weight: 500; color: var(--text-secondary); margin-bottom: 0; }
.hero-bio { font-size: 1.15rem; line-height: 1.7; color: var(--text-secondary); margin-bottom: 24px; max-width: 100%; }

.social-links { display: flex; gap: 16px; margin-bottom: 48px; }
.social-link { font-family: var(--font-mono); font-size: 0.9rem; color: var(--text-primary); text-decoration: none; padding: 8px 16px; border: 1px solid var(--border-color); border-radius: 6px; transition: all 0.2s; background: rgba(255,255,255,0.03); }
.social-link:hover { background: rgba(255,255,255,0.1); border-color: var(--text-secondary); transform: translateY(-2px); }

.hero-stats { display: flex; gap: 64px; }
.stat-box { display: flex; flex-direction: column; }
.stat-val { font-size: 2.5rem; font-weight: 700; color: var(--text-primary); margin-bottom: 4px; line-height: 1; }
.stat-label { font-size: 0.85rem; font-family: var(--font-mono); color: var(--text-tertiary); text-transform: uppercase; letter-spacing: 0.05em; }


.timeline { display: flex; flex-direction: column; gap: 32px; padding-bottom: 40px; }
.tl-item { display: flex; gap: 24px; align-items: flex-start; }
.tl-logo-wrap { width: 56px; height: 56px; flex-shrink: 0; background: var(--glass-bg); border: 1px solid var(--border-color); border-radius: 12px; display: flex; align-items: center; justify-content: center; padding: 8px; }
.tl-logo { max-width: 100%; max-height: 100%; object-fit: contain; }
.tl-badge { font-weight: 600; font-size: 1.2rem; }

.tl-content { flex: 1; }
.tl-header { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 12px; flex-wrap: wrap; gap: 12px; }
.tl-role { font-size: 1.25rem; font-weight: 600; margin-bottom: 4px; }
.tl-org { font-size: 1rem; color: var(--accent-light); font-weight: 500; }
.tl-date { font-family: var(--font-mono); font-size: 0.85rem; color: var(--text-tertiary); }
.tl-bullets { list-style: none; margin-bottom: 16px; }
.tl-bullets li { position: relative; padding-left: 16px; margin-bottom: 8px; color: var(--text-secondary); }
.tl-bullets li::before { content: '•'; position: absolute; left: 0; color: var(--text-tertiary); }
.tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tag { font-family: var(--font-mono); font-size: 0.75rem; padding: 4px 10px; border-radius: 6px; border: 1px solid var(--border-color); background: rgba(255,255,255,0.05); }


.projects-accordion-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-bottom: 24px;
  max-width: 900px;
  margin: 0 auto;
}
.project-accordion-item {
  background: var(--glass-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  overflow: hidden;
  cursor: pointer;
  transition: border-color 0.3s, background 0.3s;
}
.project-accordion-item:hover {
  border-color: rgba(255,255,255,0.2);
  background: rgba(255,255,255,0.05);
}
.accordion-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
}
.accordion-title {
  display: flex;
  align-items: baseline;
  gap: 16px;
  flex-wrap: wrap;
}
.accordion-title .proj-title {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
  padding: 0;
}
.proj-sub-inline {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent);
}
.expand-icon {
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--accent);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  line-height: 1;
}
.project-accordion-item.expanded .expand-icon {
  transform: rotate(45deg);
}
.proj-desc-content {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  padding: 0 24px;
}
.project-accordion-item.expanded .proj-desc-content {
  max-height: 800px;
  opacity: 1;
  padding-bottom: 24px;
  padding-top: 8px;
  border-top: 1px solid rgba(255,255,255,0.05);
  margin-top: 8px;
}
.proj-desc-content p {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: 16px;
}
.tags-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.skill-group { padding: 24px; border: 1px solid var(--border-color); border-radius: 16px; background: var(--glass-bg); }
.skill-title { font-size: 1.1rem; font-weight: 600; margin-bottom: 20px; }


.list-container { display: flex; flex-direction: column; gap: 16px; padding-bottom: 40px; }
.list-row { padding-bottom: 16px; border-bottom: 1px solid var(--border-color); }
.list-title { font-weight: 500; margin-bottom: 4px; }
.list-title a { color: var(--text-primary); text-decoration: none; transition: color 0.2s; }
.list-title a:hover { color: var(--accent); }
.list-meta { font-family: var(--font-mono); font-size: 0.85rem; color: var(--text-secondary); }


.compact-split-view {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  align-items: start;
}
.compact-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.compact-list .list-row {
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.compact-list .list-row:last-child {
  border-bottom: none;
}
.compact-list .list-title {
  font-size: 0.95rem;
  margin-bottom: 2px;
}
.compact-list .list-meta {
  font-size: 0.8rem;
}


.skills-grid-compact {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 16px;
  padding-bottom: 24px;
}
.skills-grid-compact .skill-group {
  padding: 16px 20px;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  background: var(--glass-bg);
}
.skills-grid-compact .skill-title {
  font-size: 1.05rem;
  margin-bottom: 12px;
}
.lang-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 16px; padding-bottom: 40px; }
.lang-item { padding: 24px; text-align: center; border: 1px solid var(--border-color); border-radius: 12px; background: var(--glass-bg); }
.lang-name { font-weight: 600; margin-bottom: 4px; color: var(--text-primary); }
.lang-lvl { color: var(--text-secondary); }


.contact-bento {
  max-width: 600px;
  margin: 0 auto;
  padding: 40px;
  background: var(--glass-bg);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 24px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(16px);
}
.contact-intro {
  text-align: center;
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin-bottom: 32px;
  line-height: 1.5;
}
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.input-group {
  position: relative;
}
.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 18px 24px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  color: var(--text-primary);
  font-family: var(--font-main);
  font-size: 1rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: rgba(255, 255, 255, 0.4);
}
.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 0 0 4px rgba(123, 77, 255, 0.15);
}
.submit-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 18px 32px;
  background: linear-gradient(135deg, var(--accent), #9b6cff);
  color: #fff;
  border: none;
  border-radius: 12px;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  font-family: var(--font-main);
  margin-top: 8px;
  box-shadow: 0 8px 20px rgba(123, 77, 255, 0.25);
}
.submit-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(123, 77, 255, 0.4);
}


@media (max-width: 768px) {
  .slide-indicators { display: none; }
  .navbar { padding: 16px; }
  .nav-links { display: none; }
  .grid-2 { grid-template-columns: 1fr; }
  .hero-stats { flex-direction: column; gap: 24px; }
  .projects-accordion-list {
    gap: 8px;
  }
  .accordion-title {
    flex-direction: column;
    gap: 4px;
  }
  
  .contact-bento {
    padding: 24px;
  }
}