@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;700&display=swap');

/* ─── VARIABLES ──────────────────────────────────────── */
:root {
  --bg:        #080810;
  --bg-2:      #0f0f1a;
  --bg-card:   rgba(255,255,255,0.04);
  --border:    rgba(0,245,212,0.15);
  --accent:    #00f5d4;
  --accent-dim:#00f5d460;
  --purple:    #6c63ff;
  --text:      #e2e8f0;
  --muted:     #64748b;
  --font-sans: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --radius:    12px;
  --transition: 0.3s ease;
}

[data-theme="light"] {
  --bg:        #f8fafc;
  --bg-2:      #f1f5f9;
  --bg-card:   rgba(0,0,0,0.03);
  --border:    rgba(0,0,0,0.1);
  --accent:    #0ea5e9;
  --accent-dim:#0ea5e940;
  --purple:    #8b5cf6;
  --text:      #0f172a;
  --muted:     #64748b;
}

/* ─── RESET ──────────────────────────────────────────── */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; overflow-x: hidden; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  line-height: 1.7;
  overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

/* ─── SCROLLBAR ──────────────────────────────────────── */
::-webkit-scrollbar { width:6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--accent-dim); border-radius:99px; }

/* ─── ANIMATED GRID BACKGROUND ───────────────────────── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,245,212,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,245,212,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  z-index: 0;
  pointer-events: none;
}

#mouse-glow {
  position: fixed;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0,245,212,0.1) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  z-index: 1;
  transform: translate(-50%, -50%);
  transition: opacity 0.3s ease;
  opacity: 0;
}
body:hover #mouse-glow { opacity: 1; }

/* Theme Transition Overlay */
#theme-transition-overlay {
  position: fixed;
  top: 0; left: 0;
  width: 100vw; height: 100vh;
  z-index: 9999;
  pointer-events: none;
  background: var(--bg);
  clip-path: circle(0% at 0% 0%);
}
#theme-transition-overlay.active {
  animation: circleReveal 1.2s cubic-bezier(0.65, 0, 0.35, 1) forwards;
}

@keyframes circleReveal {
  0% { clip-path: circle(0% at var(--x) var(--y)); }
  100% { clip-path: circle(150% at var(--x) var(--y)); }
}

/* ─── NAVBAR ─────────────────────────────────────────── */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.2rem 6%;
  transition: var(--transition);
}
#navbar.scrolled {
  background: rgba(8,8,16,0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.nav-logo {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--accent);
  font-weight: 700;
  letter-spacing: -0.5px;
}
.nav-logo span { color: var(--text); }
.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
}
.nav-links a {
  font-size: 0.875rem;
  color: var(--muted);
  font-weight: 500;
  transition: color var(--transition);
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 0;
  width: 0; height: 1px;
  background: var(--accent);
  transition: width var(--transition);
}
.nav-links a:hover { color: var(--accent); }
.nav-links a:hover::after { width: 100%; }
.nav-cta {
  background: transparent;
  border: 1px solid var(--accent);
  color: var(--accent) !important;
  padding: 0.4rem 1rem;
  border-radius: 6px;
  transition: background var(--transition), color var(--transition) !important;
}
.nav-cta:hover { background: var(--accent) !important; color: var(--bg) !important; }
.nav-cta::after { display: none !important; }

/* Theme Toggle */
.theme-toggle {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text);
  width: 36px; height: 36px;
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  font-size: 0.9rem;
}
.theme-toggle:hover { border-color: var(--accent); color: var(--accent); }
.theme-toggle .fa-sun { display: none; }
[data-theme="light"] .theme-toggle .fa-moon { display: none; }
[data-theme="light"] .theme-toggle .fa-sun { display: block; }

/* Hamburger */
.hamburger { display:none; flex-direction:column; gap:5px; cursor:pointer; }
.hamburger span {
  display: block; width: 24px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ─── HERO ───────────────────────────────────────────── */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 0 6%;
  z-index: 1;
}
.hero-glow {
  position: absolute;
  top: 20%; left: 30%;
  width: 600px; height: 600px;
  max-width: 100vw;
  background: radial-gradient(circle, rgba(0,245,212,0.07) 0%, transparent 70%);
  pointer-events: none;
}
.hero-content { max-width: 780px; }
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
  background: rgba(0,245,212,0.08);
  border: 1px solid var(--border);
  padding: 0.35rem 0.9rem;
  border-radius: 99px;
  margin-bottom: 1.5rem;
}
.hero-tag .dot {
  width: 7px; height: 7px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 1.5s infinite;
}
.hero-name {
  font-size: clamp(2rem, 8vw, 4.5rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 0.5rem;
  letter-spacing: -1.5px;
  overflow-wrap: break-word;
}
.hero-name .first { color: var(--text); }
.hero-name .last { color: var(--accent); }
.hero-role {
  font-family: var(--font-mono);
  font-size: clamp(1rem, 2.5vw, 1.4rem);
  color: var(--muted);
  margin-bottom: 1.5rem;
  min-height: 2rem;
}
.hero-role #typewriter { color: var(--accent); }
.cursor {
  display: inline-block;
  width: 2px; height: 1.2em;
  background: var(--accent);
  vertical-align: middle;
  margin-left: 3px;
  animation: blink 1s step-end infinite;
}
.hero-desc {
  font-size: 1rem;
  color: var(--muted);
  max-width: 520px;
  margin-bottom: 2.5rem;
  line-height: 1.8;
}
.hero-btns { display: flex; gap: 1rem; flex-wrap: wrap; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.8rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  text-decoration: none;
}
.btn-primary {
  background: var(--accent);
  color: var(--bg);
}
.btn-primary:hover {
  background: #00ddb9;
  box-shadow: 0 0 30px rgba(0,245,212,0.35);
  transform: translateY(-2px);
}
.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}
.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.magnetic-wrap {
  display: inline-block;
  position: relative;
}

/* Scroll indicator */
.scroll-hint {
  position: absolute;
  bottom: 2rem; left: 50%;
  transform: translateX(-50%);
  display: flex; flex-direction: column;
  align-items: center; gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--muted);
  animation: float 2s ease-in-out infinite;
}
.scroll-hint svg { stroke: var(--muted); }

/* ─── SECTION SHARED ─────────────────────────────────── */
section { position: relative; z-index: 1; padding: 6rem 6%; }
.section-label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 0.6rem;
}
.section-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -1px;
  margin-bottom: 1rem;
}
.section-line {
  width: 50px; height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--purple));
  margin-bottom: 3rem;
  border-radius: 2px;
}

/* Fade-in animation on scroll */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ─── ABOUT ──────────────────────────────────────────── */
#about .about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.about-text p {
  color: var(--muted);
  font-size: 1rem;
  margin-bottom: 1.2rem;
  line-height: 1.9;
}
.about-text p strong { color: var(--text); }
.about-currently {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.2rem 1.5rem;
  margin-top: 1.5rem;
}
.about-currently .label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}
.about-currently p { margin: 0; color: var(--text); font-size: 0.95rem; }

.about-socials {
  display: flex;
  gap: 1.5rem;
  margin-top: 2rem;
}
.about-socials a {
  font-size: 1.5rem;
  color: var(--muted);
  transition: all var(--transition);
}
.about-socials a:hover {
  color: var(--accent);
  transform: translateY(-3px);
}
.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
}
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-align: center;
  transition: border-color var(--transition), transform var(--transition);
}
.stat-card:hover { border-color: var(--accent); transform: translateY(-4px); }
.stat-card .num {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
}
.stat-card .desc { font-size: 0.8rem; color: var(--muted); margin-top: 0.3rem; }

/* ─── EXPERIENCE / TIMELINE ─────────────────────────── */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  padding-left: 2rem;
}
.timeline::after {
  content: '';
  position: absolute;
  top: 0; bottom: 0; left: 7px;
  width: 2px;
  background: var(--border);
}
.timeline-item {
  position: relative;
  margin-bottom: 3rem;
}
.timeline-dot {
  position: absolute;
  left: -2rem;
  width: 16px; height: 16px;
  background: var(--bg);
  border: 3px solid var(--accent);
  border-radius: 50%;
  z-index: 2;
  transition: all var(--transition);
}
.timeline-item:hover .timeline-dot {
  background: var(--accent);
  box-shadow: 0 0 15px var(--accent-dim);
}
.timeline-date {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
  margin-bottom: 0.5rem;
}
.timeline-content {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: all var(--transition);
}
.timeline-item:hover .timeline-content {
  border-color: rgba(0,245,212,0.3);
  transform: translateX(10px);
}
.timeline-content h3 { font-size: 1.15rem; margin-bottom: 0.3rem; color: var(--text); }
.timeline-org { 
  font-size: 0.9rem; 
  color: var(--muted); 
  font-weight: 600; 
  margin-bottom: 1rem;
}
.timeline-content p { font-size: 0.9rem; color: var(--muted); line-height: 1.6; }

/* ─── SKILLS ─────────────────────────────────────────── */
#skills { background: var(--bg-2); }
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 1rem;
}
.skill-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.8rem 1rem;
  text-align: center;
  cursor: default;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
}
.skill-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 0%, rgba(0,245,212,0.06), transparent 70%);
  opacity: 0;
  transition: opacity var(--transition);
}
.skill-card:hover { 
  border-color: var(--accent); 
  transform: translateY(-5px); 
  box-shadow: 0 10px 30px rgba(0,245,212,0.1); 
  background: rgba(0,245,212,0.02);
}
.skill-card:hover::before { opacity: 1; }
.skill-icon { 
  font-size: 2.4rem; 
  transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
.skill-card:hover .skill-icon { transform: scale(1.15) rotate(5deg); }
.skill-name { font-size: 0.85rem; font-weight: 600; color: var(--text); letter-spacing: 0.5px; }
.skill-badge {
  position: absolute;
  top: 0.6rem; right: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.55rem;
  color: var(--bg);
  background: var(--accent);
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ─── PROJECTS ───────────────────────────────────────── */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
}
.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(8px);
}
.project-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--purple));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  z-index: 2;
}
.project-card:hover { 
  border-color: rgba(0,245,212,0.4); 
  transform: translateY(-8px); 
  box-shadow: 0 20px 40px rgba(0,0,0,0.5), 0 0 20px rgba(0,245,212,0.05); 
}
.project-card:hover::before { transform: scaleX(1); }

.project-image {
  width: 100%;
  height: 180px;
  overflow: hidden;
  position: relative;
}
.project-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.project-card:hover .project-image img {
  transform: scale(1.1);
}

.project-content {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  flex: 1;
}

.project-header { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }

.project-name { 
  font-size: 1.15rem; 
  font-weight: 700; 
  color: var(--text); 
  letter-spacing: -0.5px;
}

.wip-badge {
  font-size: 0.65rem;
  color: var(--accent);
  font-weight: 600;
  border: 1px solid var(--accent-dim);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  margin-left: 0.4rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  vertical-align: middle;
}

.project-links { display: flex; gap: 0.6rem; }
.project-links a {
  display: flex; align-items: center; justify-content: center;
  width: 36px; height: 36px;
  border-radius: 8px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.9rem;
  transition: all var(--transition);
}
.project-links a:hover { 
  border-color: var(--accent); 
  color: var(--accent);
  background: rgba(0,245,212,0.05);
  transform: translateY(-2px);
}

.project-desc { 
  font-size: 0.875rem; 
  color: var(--muted); 
  line-height: 1.7; 
  flex: 1; 
}

.project-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--accent);
  background: rgba(0,245,212,0.05);
  border: 1px solid rgba(0,245,212,0.15);
  padding: 0.2rem 0.6rem;
  border-radius: 99px;
  transition: all var(--transition);
}
.project-card:hover .tag {
  border-color: var(--accent-dim);
  background: rgba(0,245,212,0.1);
}

/* ─── MINI PROJECTS ──────────────────────────────────── */
#mini-projects { background: var(--bg-2); }
.mini-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1.2rem;
}
.mini-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.2rem;
  transition: var(--transition);
}
.mini-card:hover { border-color: var(--accent); transform: translateY(-3px); }
.mini-icon { font-size: 1.4rem; margin-bottom: 0.5rem; }
.mini-name { font-size: 0.95rem; font-weight: 700; margin-bottom: 0.4rem; }
.mini-desc { font-size: 0.8rem; color: var(--muted); margin-bottom: 1rem; }
.mini-link {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  display: inline-flex; align-items: center; gap: 0.4rem;
}
.mini-link:hover { text-decoration: underline; }

/* ─── CONTACT ────────────────────────────────────────── */
#contact { background: var(--bg-2); text-align: center; }
.contact-inner { max-width: 600px; margin: 0 auto; }
.contact-inner p {
  color: var(--muted);
  font-size: 1rem;
  margin-bottom: 2.5rem;
  line-height: 1.8;
}
.contact-form {
  max-width: 500px;
  margin: 0 auto 3rem;
  text-align: left;
}
.form-group { margin-bottom: 1.2rem; }
.form-group label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  margin-bottom: 0.4rem;
  text-transform: uppercase;
}
.form-control {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.8rem 1rem;
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  transition: var(--transition);
}
.form-control:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 15px rgba(0,245,212,0.1);
}
textarea.form-control { resize: vertical; min-height: 120px; }

/* Success State */
.contact-success {
  display: none;
  text-align: center;
  padding: 3rem 0;
}
.success-icon {
  font-size: 4rem;
  color: var(--accent);
  margin-bottom: 1.5rem;
  animation: scaleBounce 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}
@keyframes scaleBounce {
  0% { transform: scale(0); }
  100% { transform: scale(1); }
}
.contact-btns { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* ─── FOOTER ─────────────────────────────────────────── */
footer {
  position: relative; z-index: 1;
  text-align: center;
  padding: 2rem 6%;
  border-top: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--muted);
}
footer span { color: var(--accent); }

/* ─── SCROLL TO TOP ──────────────────────────────────── */
#scroll-top {
  position: fixed;
  bottom: 2rem; right: 2rem;
  width: 44px; height: 44px;
  background: var(--accent);
  color: var(--bg);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  z-index: 99;
  border: none;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
  box-shadow: 0 10px 20px rgba(0,0,0,0.2);
}
#scroll-top.visible { opacity: 1; pointer-events: all; }
#scroll-top:hover { transform: translateY(-5px); box-shadow: 0 15px 30px rgba(0,245,212,0.3); }

/* ─── ANIMATIONS ─────────────────────────────────────── */
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0} }
@keyframes pulse {
  0%,100%{box-shadow:0 0 0 0 rgba(0,245,212,0.5)}
  50%{box-shadow:0 0 0 6px rgba(0,245,212,0)}
}
@keyframes float {
  0%,100%{transform:translateX(-50%) translateY(0)}
  50%{transform:translateX(-50%) translateY(-8px)}
}

/* ─── RESPONSIVE ─────────────────────────────────────── */
@media (max-width: 768px) {
  #about .about-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .nav-links {
    position: fixed;
    top: 0; right: -100%;
    width: 70%; height: 100vh;
    background: rgba(8,8,16,0.97);
    backdrop-filter: blur(20px);
    border-left: 1px solid var(--border);
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    padding: 0 2.5rem;
    gap: 2rem;
    transition: right 0.4s ease;
  }
  .nav-links.open { right: 0; }
  .nav-links a { font-size: 1.1rem; }
  .hamburger { display: flex; }
  section { padding: 4rem 5%; }
}
@media (max-width: 480px) {
  .about-stats { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .hero-name { font-size: clamp(1.8rem, 10vw, 2.4rem); }
}