/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --primary: #f59e0b;
  --primary-dark: #d97706;
  --primary-glow: rgba(245,158,11,0.25);
  --bg: #0a0a0f;
  --bg2: #0f0f1a;
  --bg3: #141421;
  --surface: #1a1a2e;
  --surface2: #16213e;
  --border: rgba(245,158,11,0.15);
  --text: #e2e8f0;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --radius: 16px;
  --radius-sm: 8px;
  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
  --shadow: 0 4px 24px rgba(0,0,0,0.4);
  --shadow-glow: 0 0 40px rgba(245,158,11,0.15);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ===== PARTICLES ===== */
#particles {
  position: fixed; inset: 0;
  pointer-events: none; z-index: 0;
  background: radial-gradient(ellipse at 20% 20%, rgba(245,158,11,0.05) 0%, transparent 60%),
              radial-gradient(ellipse at 80% 80%, rgba(99,102,241,0.05) 0%, transparent 60%);
}

/* ===== NAVBAR ===== */
#navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(10,10,15,0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}
#navbar.scrolled { box-shadow: 0 4px 24px rgba(0,0,0,0.5); }
.nav-container {
  max-width: 1200px; margin: 0 auto;
  padding: 0 2rem;
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.nav-logo {
  font-size: 1.5rem; font-weight: 800;
  color: var(--primary); letter-spacing: 2px;
}
.dot { color: #fff; }
.nav-links { display: flex; gap: 2rem; list-style: none; }
.nav-links a {
  color: var(--text-muted); text-decoration: none;
  font-size: 0.9rem; font-weight: 500;
  transition: var(--transition); position: relative;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: -4px; left: 0;
  width: 0; height: 2px; background: var(--primary);
  transition: var(--transition);
}
.nav-links a:hover { color: var(--primary); }
.nav-links a:hover::after { width: 100%; }
.nav-toggle { display: none; flex-direction: column; gap: 5px; cursor: pointer; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--text); transition: var(--transition); }

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: space-between;
  gap: 4rem; padding: 100px 8% 4rem;
  position: relative; overflow: hidden;
  background: linear-gradient(135deg, var(--bg) 0%, var(--bg2) 50%, rgba(20,20,33,1) 100%);
}
.hero::before {
  content: ''; position: absolute;
  top: -200px; right: -200px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(245,158,11,0.08) 0%, transparent 70%);
  border-radius: 50%;
}
.hero-content { flex: 1; max-width: 600px; z-index: 1; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(245,158,11,0.1); border: 1px solid var(--border);
  color: var(--primary); padding: 6px 16px;
  border-radius: 100px; font-size: 0.8rem; font-weight: 600;
  margin-bottom: 1.5rem; letter-spacing: 0.5px;
}
.badge-dot {
  width: 8px; height: 8px;
  background: #22c55e;
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:0.4} }

.hero-name {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800; line-height: 1.1;
  background: linear-gradient(135deg, #fff 0%, var(--primary) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text; margin-bottom: 1rem;
}
.hero-titles {
  font-size: 1.3rem; color: var(--primary); font-weight: 600;
  font-family: 'JetBrains Mono', monospace;
  margin-bottom: 1.5rem; min-height: 2rem;
}
.cursor { animation: blink 1s infinite; }
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0} }
.hero-desc { color: var(--text-muted); font-size: 1.05rem; margin-bottom: 2rem; line-height: 1.8; }
.hero-actions { display: flex; gap: 1rem; margin-bottom: 3rem; flex-wrap: wrap; }

/* Buttons */
.btn {
  padding: 12px 28px; border-radius: var(--radius-sm);
  font-size: 0.95rem; font-weight: 600;
  text-decoration: none; display: inline-flex; align-items: center; gap: 8px;
  transition: var(--transition); border: none; cursor: pointer;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #000;
  box-shadow: 0 4px 20px var(--primary-glow);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(245,158,11,0.4); }
.btn-outline {
  background: transparent; color: var(--text);
  border: 1px solid rgba(255,255,255,0.2);
}
.btn-outline:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-2px); }
.full-width { width: 100%; justify-content: center; }

/* Stats */
.hero-stats { display: flex; align-items: center; gap: 2rem; }
.stat { text-align: center; }
.stat-num { display: block; font-size: 2rem; font-weight: 800; color: var(--primary); }
.stat-label { font-size: 0.75rem; color: var(--text-muted); }
.stat-divider { width: 1px; height: 40px; background: var(--border); }

/* Hero Visual */
.hero-visual { flex: 0 0 400px; display: flex; justify-content: center; z-index: 1; }
.avatar-wrapper { position: relative; width: 300px; height: 300px; }
.avatar-ring {
  position: absolute; border-radius: 50%;
  border: 2px solid var(--border);
  animation: spin linear infinite;
}
.ring1 { inset: -20px; animation-duration: 20s; border-top-color: var(--primary); }
.ring2 { inset: -40px; animation-duration: 30s; animation-direction: reverse; border-right-color: rgba(99,102,241,0.4); }
@keyframes spin { from{transform:rotate(0deg)} to{transform:rotate(360deg)} }
.avatar-img {
  position: absolute; inset: 0;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--surface) 0%, var(--bg3) 100%);
  border: 3px solid var(--primary);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden; box-shadow: var(--shadow-glow);
}
.avatar-initials {
  font-size: 4rem; font-weight: 800;
  background: linear-gradient(135deg, #fff, var(--primary));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.tech-badge {
  position: absolute;
  background: var(--surface); border: 1px solid var(--border);
  color: var(--primary); padding: 6px 12px;
  border-radius: 100px; font-size: 0.75rem; font-weight: 700;
  white-space: nowrap; box-shadow: var(--shadow);
  animation: float 3s ease-in-out infinite;
}
.tb1 { top: 10px; right: -20px; animation-delay: 0s; }
.tb2 { bottom: 40px; right: -30px; animation-delay: 0.5s; }
.tb3 { bottom: 10px; left: -20px; animation-delay: 1s; }
.tb4 { top: 60px; left: -30px; animation-delay: 1.5s; }
@keyframes float { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-10px)} }

/* ===== SECTIONS ===== */
.section { padding: 6rem 0; position: relative; z-index: 1; }
.section-dark { background: var(--bg2); }
.container { max-width: 1200px; margin: 0 auto; padding: 0 2rem; }
.section-header { text-align: center; margin-bottom: 4rem; }
.section-tag {
  display: inline-block;
  background: var(--primary-glow); border: 1px solid var(--border);
  color: var(--primary); padding: 4px 16px;
  border-radius: 100px; font-size: 0.8rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 1px; margin-bottom: 1rem;
}
.section-header h2 {
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  font-weight: 800; color: #fff;
}
.sub-heading { font-size: 1.1rem; font-weight: 700; color: var(--text-muted); margin-bottom: 1.5rem; }
.highlight { color: var(--primary); }

/* ===== ABOUT ===== */
.about-grid { display: grid; grid-template-columns: 1fr 380px; gap: 4rem; align-items: start; }
.about-text h3 { font-size: 1.6rem; font-weight: 700; margin-bottom: 1rem; color: #fff; }
.about-text p { color: var(--text-muted); margin-bottom: 1rem; }
.goal-cards { margin-top: 2rem; display: flex; flex-direction: column; gap: 1rem; }
.goal-card {
  display: flex; gap: 1rem; align-items: flex-start;
  background: var(--surface); border: 1px solid var(--border);
  padding: 1.2rem; border-radius: var(--radius);
  transition: var(--transition);
}
.goal-card:hover { border-color: var(--primary); transform: translateY(-2px); }
.goal-icon { font-size: 1.5rem; flex-shrink: 0; }
.goal-card strong { color: #fff; font-size: 0.95rem; }
.goal-card p { color: var(--text-muted); font-size: 0.85rem; margin: 4px 0 0; }

.info-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 2rem;
  box-shadow: var(--shadow);
}
.info-card h4 { color: var(--primary); font-size: 0.8rem; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 1.5rem; }
.info-list { list-style: none; display: flex; flex-direction: column; gap: 1rem; margin-bottom: 2rem; }
.info-list li { display: flex; align-items: center; gap: 12px; }
.info-icon { width: 36px; height: 36px; background: var(--primary-glow); border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 1rem; flex-shrink: 0; }
.info-list span:last-child { color: var(--text-muted); font-size: 0.9rem; }
.social-links { display: flex; gap: 1rem; }
.social-btn {
  flex: 1; padding: 10px; border-radius: var(--radius-sm);
  background: var(--bg3); border: 1px solid var(--border);
  color: var(--text-muted); text-decoration: none; font-size: 0.85rem;
  text-align: center; transition: var(--transition);
}
.social-btn:hover { border-color: var(--primary); color: var(--primary); }

/* ===== SKILLS ===== */
.skills-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; }
.skill-category {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 2rem;
  transition: var(--transition);
}
.skill-category:hover { border-color: var(--primary); box-shadow: var(--shadow-glow); }
.skill-category h3 { color: #fff; font-size: 1rem; font-weight: 700; margin-bottom: 1.5rem; }
.cat-icon { margin-right: 8px; }
.skill-items { display: flex; flex-direction: column; gap: 1rem; }
.skill-item {}
.skill-info { display: flex; justify-content: space-between; font-size: 0.85rem; color: var(--text-muted); margin-bottom: 6px; }
.skill-bar { height: 6px; background: var(--bg3); border-radius: 100px; overflow: hidden; }
.skill-fill {
  height: 100%; width: 0%;
  background: linear-gradient(90deg, var(--primary), var(--primary-dark));
  border-radius: 100px; transition: width 1.2s cubic-bezier(0.4,0,0.2,1);
}
.tool-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tool-tag {
  background: var(--bg3); border: 1px solid var(--border);
  color: var(--text-muted); padding: 6px 14px;
  border-radius: 100px; font-size: 0.8rem; transition: var(--transition);
}
.tool-tag:hover { border-color: var(--primary); color: var(--primary); }
.soft-skills { display: flex; flex-direction: column; gap: 10px; }
.soft-skill { display: flex; align-items: center; gap: 10px; color: var(--text-muted); font-size: 0.9rem; }
.soft-skill span { color: #22c55e; }

/* ===== TIMELINE ===== */
.timeline { position: relative; padding-left: 2rem; }
.timeline::before {
  content: ''; position: absolute; left: 0; top: 0; bottom: 0;
  width: 2px; background: linear-gradient(to bottom, var(--primary), transparent);
}
.timeline-item { position: relative; margin-bottom: 2.5rem; }
.timeline-dot {
  position: absolute; left: -2.6rem; top: 1.5rem;
  width: 14px; height: 14px;
  background: var(--primary); border-radius: 50%;
  border: 3px solid var(--bg); box-shadow: 0 0 0 4px var(--primary-glow);
}
.timeline-content {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 2rem;
  transition: var(--transition);
}
.timeline-content:hover { border-color: var(--primary); transform: translateX(4px); }
.timeline-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 1rem; flex-wrap: wrap; gap: 1rem; }
.job-type {
  display: inline-block; padding: 3px 12px;
  border-radius: 100px; font-size: 0.72rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 6px;
}
.it-tag { background: rgba(99,102,241,0.15); color: #818cf8; border: 1px solid rgba(99,102,241,0.3); }
.intern-tag { background: rgba(245,158,11,0.1); color: var(--primary); border: 1px solid var(--border); }
.parttime-tag { background: rgba(34,197,94,0.1); color: #22c55e; border: 1px solid rgba(34,197,94,0.3); }
.timeline-header h3 { color: #fff; font-size: 1.1rem; font-weight: 700; }
.company { color: var(--text-muted); font-size: 0.9rem; margin-top: 2px; }
.timeline-date { color: var(--primary); font-size: 0.8rem; font-weight: 600; font-family: 'JetBrains Mono', monospace; white-space: nowrap; }
.job-duties { color: var(--text-muted); font-size: 0.88rem; padding-left: 1.2rem; margin-bottom: 1.2rem; }
.job-duties li { margin-bottom: 6px; }
.tech-stack { display: flex; flex-wrap: wrap; gap: 6px; }
.tech-stack span {
  background: var(--primary-glow); border: 1px solid var(--border);
  color: var(--primary); padding: 3px 10px;
  border-radius: 100px; font-size: 0.75rem; font-weight: 600;
}

/* ===== EDUCATION ===== */
.edu-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 2.5rem;
  display: flex; gap: 2rem; align-items: flex-start;
  max-width: 700px; margin: 0 auto;
  box-shadow: var(--shadow-glow);
}
.edu-icon { font-size: 3rem; flex-shrink: 0; }
.edu-info h3 { color: #fff; font-size: 1.3rem; font-weight: 700; margin-bottom: 6px; }
.edu-school { color: var(--primary); font-weight: 600; margin-bottom: 4px; }
.edu-period { color: var(--text-dim); font-size: 0.85rem; font-family: 'JetBrains Mono', monospace; margin-bottom: 12px; }
.edu-desc { color: var(--text-muted); font-size: 0.9rem; }

/* ===== PROJECTS ===== */
.projects-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.project-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 2rem;
  transition: var(--transition); position: relative; overflow: hidden;
}
.project-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--primary-dark));
  transform: scaleX(0); transform-origin: left; transition: var(--transition);
}
.project-card:hover { border-color: var(--primary); transform: translateY(-6px); box-shadow: var(--shadow-glow); }
.project-card:hover::before { transform: scaleX(1); }
.project-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1rem; }
.project-num { font-size: 2.5rem; font-weight: 800; color: var(--border); font-family: 'JetBrains Mono', monospace; }
.proj-link {
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--primary-glow); border: 1px solid var(--border);
  color: var(--primary); display: flex; align-items: center; justify-content: center;
  text-decoration: none; font-size: 1.1rem; transition: var(--transition);
}
.proj-link:hover { background: var(--primary); color: #000; }
.project-card h3 { color: #fff; font-size: 1.05rem; font-weight: 700; margin-bottom: 0.75rem; }
.project-card p { color: var(--text-muted); font-size: 0.85rem; margin-bottom: 1rem; line-height: 1.6; }
.project-meta { color: var(--text-dim); font-size: 0.8rem; margin-bottom: 1rem; display: flex; flex-direction: column; gap: 4px; }
.project-tech { display: flex; flex-wrap: wrap; gap: 6px; }
.project-tech span {
  background: var(--bg3); border: 1px solid var(--border);
  color: var(--primary); padding: 3px 10px;
  border-radius: 100px; font-size: 0.75rem;
}

/* Tools grid */
.tools-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.tool-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 1.2rem;
  display: flex; align-items: center; gap: 12px;
  transition: var(--transition); cursor: pointer;
}
.tool-card:hover { border-color: var(--primary); transform: translateY(-3px); }
.tool-icon { font-size: 1.5rem; flex-shrink: 0; }
.tool-card strong { display: block; color: #fff; font-size: 0.85rem; }
.tool-card small { color: var(--text-dim); font-size: 0.72rem; }
.github-card { border-style: dashed; }
.github-card:hover { border-color: var(--primary); }

/* ===== CONTACT ===== */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: start; }
.contact-info h3 { color: #fff; font-size: 1.6rem; font-weight: 700; margin-bottom: 1rem; }
.contact-info p { color: var(--text-muted); margin-bottom: 2rem; }
.contact-items { display: flex; flex-direction: column; gap: 1.2rem; }
.contact-item { display: flex; align-items: center; gap: 1rem; }
.contact-icon {
  width: 48px; height: 48px; border-radius: var(--radius-sm);
  background: var(--primary-glow); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem; flex-shrink: 0;
}
.contact-item span { color: var(--text-dim); font-size: 0.75rem; display: block; }
.contact-item strong { color: #fff; font-size: 0.9rem; }

/* Form */
.contact-form { display: flex; flex-direction: column; gap: 1.2rem; }
.form-group { position: relative; }
.form-group input, .form-group textarea {
  width: 100%; padding: 14px 16px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-sm); color: #fff;
  font-family: inherit; font-size: 0.95rem;
  transition: var(--transition); outline: none;
  resize: none;
}
.form-group input:focus, .form-group textarea:focus {
  border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-glow);
}
.form-group label {
  position: absolute; left: 16px; top: 14px;
  color: var(--text-dim); font-size: 0.85rem; pointer-events: none;
  transition: var(--transition);
}
.form-group input:focus + label,
.form-group input:not(:placeholder-shown) + label,
.form-group textarea:focus + label,
.form-group textarea:not(:placeholder-shown) + label {
  top: -10px; font-size: 0.72rem; color: var(--primary);
  background: var(--bg2); padding: 0 6px; left: 10px;
}

/* ===== FOOTER ===== */
.footer {
  background: var(--bg); border-top: 1px solid var(--border);
  padding: 2rem 0; text-align: center;
}
.footer p { color: var(--text-muted); font-size: 0.9rem; }
.footer-sub { color: var(--text-dim); font-size: 0.8rem; margin-top: 6px; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .tools-grid { grid-template-columns: repeat(3, 1fr); }
  .projects-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; }
  .skills-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .hero { flex-direction: column; text-align: center; padding: 100px 5% 4rem; }
  .hero-visual { display: none; }
  .hero-actions { justify-content: center; }
  .hero-stats { justify-content: center; }
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .nav-links.open {
    display: flex; flex-direction: column; gap: 1rem;
    position: absolute; top: 64px; left: 0; right: 0;
    background: var(--bg); border-bottom: 1px solid var(--border);
    padding: 1.5rem 2rem;
  }
  .contact-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .tools-grid { grid-template-columns: repeat(2, 1fr); }
  .edu-card { flex-direction: column; }
}