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

:root {
  --bg: #050810;
  --bg2: #080d1a;
  --bg3: #0c1220;
  --accent: #00f5d4;
  --accent2: #7b2fff;
  --accent3: #ff2d78;
  --text: #e8eaf0;
  --text-muted: #6b7280;
  --text-dim: #9ca3af;
  --border: rgba(0,245,212,0.15);
  --border2: rgba(0,245,212,0.35);
  --glow: 0 0 20px rgba(0,245,212,0.25);
  --glow2: 0 0 40px rgba(123,47,255,0.3);
  --font-mono: 'SF Mono', ui-monospace, 'Cascadia Code', Menlo, Consolas, monospace;
  --font-display: -apple-system, 'SF Pro Display', 'SF Pro Text', BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-display);
  cursor: none;
  overflow-x: hidden;
}

/* ===== CUSTOM CURSOR ===== */
.cursor {
  width: 12px; height: 12px;
  border: 2px solid var(--accent);
  border-radius: 50%;
  position: fixed; top: 0; left: 0;
  pointer-events: none; z-index: 9999;
  transform: translate(-50%,-50%);
  transition: width 0.2s, height 0.2s, background 0.2s;
}
.cursor-trail {
  width: 32px; height: 32px;
  border: 1px solid rgba(0,245,212,0.3);
  border-radius: 50%;
  position: fixed; top: 0; left: 0;
  pointer-events: none; z-index: 9998;
  transform: translate(-50%,-50%);
  transition: all 0.12s ease;
}
body:has(a:hover) .cursor, body:has(button:hover) .cursor {
  width: 20px; height: 20px;
  background: rgba(0,245,212,0.2);
}

/* ===== SCANLINES ===== */
.scanlines {
  position: fixed; inset: 0;
  background: repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(0,0,0,0.03) 2px, rgba(0,0,0,0.03) 4px);
  pointer-events: none; z-index: 1000;
}

/* ===== NAVBAR ===== */
#navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 500;
  display: flex; align-items: center; gap: 2rem;
  padding: 1.2rem 4rem;
  background: rgba(5,8,16,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: all 0.3s;
}
#navbar.scrolled { padding: 0.8rem 4rem; }
.nav-logo {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0.1em;
  margin-right: auto;
}
.blink { animation: blink 1s step-end infinite; }
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0} }
.nav-links { list-style: none; display: flex; gap: 2rem; }
.nav-links a {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dim);
  text-decoration: none;
  letter-spacing: 0.1em;
  text-transform: lowercase;
  transition: color 0.2s;
  position: relative;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: -4px; left: 0; right: 0;
  height: 1px; background: var(--accent);
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.3s;
}
.nav-links a:hover { color: var(--accent); }
.nav-links a:hover::after { transform: scaleX(1); }
.nav-status {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: #00e676;
  display: flex; align-items: center; gap: 6px;
}
.dot {
  width: 7px; height: 7px;
  background: #00e676;
  border-radius: 50%;
  animation: pulse-dot 2s ease infinite;
}
@keyframes pulse-dot {
  0%,100%{box-shadow:0 0 0 0 rgba(0,230,118,0.4)}
  50%{box-shadow:0 0 0 6px rgba(0,230,118,0)}
}

/* ===== SECTIONS ===== */
section {
  min-height: 100vh;
  padding: 8rem 4rem;
  position: relative;
}
.section-header {
  display: flex; align-items: center; gap: 1rem;
  margin-bottom: 4rem;
}
.section-num {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent);
}
.section-header h2 {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  color: var(--text);
  letter-spacing: 0.05em;
}
.section-line {
  flex: 1; height: 1px;
  background: linear-gradient(90deg, var(--border2), transparent);
}

/* ===== HERO ===== */
#hero {
  display: flex; align-items: center;
  padding: 0 4rem;
  position: relative; overflow: hidden;
  min-height: 100vh;
}
.hero-grid-bg {
  position: absolute; 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;
  mask-image: radial-gradient(ellipse at 30% 50%, black 0%, transparent 70%);
}
.hero-content {
  flex: 1;
  z-index: 2;
  padding-top: 5rem;
}
.hero-tag {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
  margin-bottom: 1.5rem;
  opacity: 0;
  animation: fadeUp 0.6s 0.2s forwards;
}
.hero-name {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 6rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--text);
  opacity: 0;
  animation: fadeUp 0.6s 0.4s forwards;
  min-height: 1.1em;
}
.hero-name .char { display: inline-block; }
.hero-title {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--accent2);
  margin-top: 1rem;
  letter-spacing: 0.1em;
  opacity: 0;
  animation: fadeUp 0.6s 0.6s forwards;
}
.hero-tagline {
  font-size: 1.05rem;
  color: var(--text-dim);
  max-width: 560px;
  line-height: 1.7;
  margin-top: 1.5rem;
  opacity: 0;
  animation: fadeUp 0.6s 0.8s forwards;
}
.hero-cta {
  display: flex; gap: 1rem; margin-top: 2.5rem;
  opacity: 0; animation: fadeUp 0.6s 1s forwards;
}
.hero-metrics {
  display: flex; align-items: center; gap: 1.5rem;
  margin-top: 3rem;
  opacity: 0; animation: fadeUp 0.6s 1.2s forwards;
}
.metric { display: flex; flex-direction: column; gap: 2px; }
.metric-val {
  font-family: var(--font-display);
  font-size: 2rem; font-weight: 800;
  color: var(--accent);
  line-height: 1;
}
.metric-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
}
.metric-sep {
  font-family: var(--font-mono);
  color: var(--border2);
  font-size: 1.2rem;
}
.hero-visual {
  flex: 0 0 420px;
  height: 500px;
  z-index: 1;
  position: relative;
}
#matrixCanvas { width: 100%; height: 100%; opacity: 0.6; }

/* ===== BUTTONS ===== */
.btn-primary {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding: 0.75rem 1.75rem;
  background: var(--accent);
  color: var(--bg);
  text-decoration: none;
  letter-spacing: 0.05em;
  border: none; cursor: pointer;
  clip-path: polygon(8px 0%, 100% 0%, calc(100% - 8px) 100%, 0% 100%);
  transition: all 0.2s;
  font-weight: 700;
}
.btn-primary:hover {
  background: var(--text);
  transform: translateY(-2px);
  box-shadow: var(--glow);
}
.btn-secondary {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding: 0.75rem 1.75rem;
  background: transparent;
  color: var(--accent);
  text-decoration: none;
  letter-spacing: 0.05em;
  border: 1px solid var(--border2);
  cursor: pointer;
  clip-path: polygon(8px 0%, 100% 0%, calc(100% - 8px) 100%, 0% 100%);
  transition: all 0.2s;
}
.btn-secondary:hover {
  background: rgba(0,245,212,0.08);
  transform: translateY(-2px);
}
.btn-full { width: 100%; text-align: center; }

/* ===== ABOUT ===== */
#about { background: var(--bg2); }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}
.about-text p {
  font-size: 1rem; line-height: 1.8;
  color: var(--text-dim);
  margin-bottom: 2rem;
}
.about-highlights { display: flex; flex-direction: column; gap: 0.75rem; }
.about-highlight-item {
  display: flex; align-items: center; gap: 1rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-dim);
}
.about-highlight-item::before {
  content: '▸';
  color: var(--accent);
  flex-shrink: 0;
}
.about-card {
  border: 1px solid var(--border);
  background: var(--bg3);
  position: relative;
  overflow: hidden;
}
.about-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
}
.about-card-header {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
  background: rgba(0,245,212,0.02);
}
.about-card-body {
  padding: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 1.9;
  color: var(--text-dim);
}
.json-key { color: var(--accent2); }
.json-val { color: var(--accent); }
.json-str { color: #f0a500; }
.json-num { color: var(--accent3); }
.json-bracket { color: var(--text-muted); }

/* ===== SKILLS ===== */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.skill-card {
  border: 1px solid var(--border);
  background: var(--bg2);
  padding: 1.5rem;
  position: relative;
  overflow: hidden;
  transition: border-color 0.3s, transform 0.3s;
}
.skill-card:hover {
  border-color: var(--border2);
  transform: translateY(-4px);
  box-shadow: var(--glow);
}
.skill-card::after {
  content: '';
  position: absolute; bottom: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}
.skill-card:hover::after { opacity: 1; }
.skill-category {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent);
  letter-spacing: 0.12em;
  margin-bottom: 1rem;
  text-transform: uppercase;
}
.skill-items { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.skill-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.3rem 0.7rem;
  background: rgba(0,245,212,0.06);
  border: 1px solid rgba(0,245,212,0.15);
  color: var(--text-dim);
  letter-spacing: 0.05em;
  transition: all 0.2s;
}
.skill-tag:hover {
  background: rgba(0,245,212,0.12);
  color: var(--accent);
  border-color: var(--border2);
}

/* ===== PROJECTS ===== */
#projects { background: var(--bg2); }
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.project-card {
  border: 1px solid var(--border);
  background: var(--bg);
  padding: 2rem;
  display: flex; flex-direction: column; gap: 1rem;
  position: relative; overflow: hidden;
  transition: all 0.3s;
}
.project-card::before {
  content: '';
  position: absolute; top: 0; left: 0;
  width: 3px; height: 0;
  background: linear-gradient(180deg, var(--accent), var(--accent2));
  transition: height 0.4s;
}
.project-card:hover { border-color: var(--border2); transform: translateY(-4px); }
.project-card:hover::before { height: 100%; }
.project-num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
}
.project-highlight-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  padding: 0.25rem 0.6rem;
  background: rgba(123,47,255,0.15);
  border: 1px solid rgba(123,47,255,0.3);
  color: #a78bfa;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}
.project-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.3;
}
.project-subtitle {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent);
  letter-spacing: 0.05em;
}
.project-desc {
  font-size: 0.88rem;
  color: var(--text-dim);
  line-height: 1.7;
  flex: 1;
}
.project-tech { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.project-tech-tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  padding: 0.2rem 0.6rem;
  background: rgba(0,245,212,0.05);
  border: 1px solid var(--border);
  color: var(--text-muted);
}
.project-links { display: flex; gap: 1rem; margin-top: auto; }
.project-link {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent);
  text-decoration: none;
  letter-spacing: 0.05em;
  transition: color 0.2s;
  display: flex; align-items: center; gap: 0.4rem;
}
.project-link:hover { color: var(--text); }

/* ===== EXPERIENCE ===== */
.timeline { position: relative; padding-left: 2rem; }
.timeline::before {
  content: '';
  position: absolute; left: 0; top: 0; bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, var(--accent), var(--accent2), transparent);
}
.timeline-item {
  position: relative;
  padding: 0 0 3.5rem 3rem;
  opacity: 0;
  transform: translateX(-20px);
  transition: opacity 0.5s, transform 0.5s;
}
.timeline-item.visible { opacity: 1; transform: translateX(0); }
.timeline-dot {
  position: absolute; left: -5px; top: 6px;
  width: 11px; height: 11px;
  border: 2px solid var(--accent);
  background: var(--bg);
  border-radius: 50%;
  box-shadow: 0 0 10px rgba(0,245,212,0.4);
}
.timeline-period {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
}
.timeline-role {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
}
.timeline-company {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
  margin: 0.3rem 0 1rem;
  display: flex; align-items: center; gap: 0.5rem;
}
.timeline-location {
  font-size: 0.7rem;
  color: var(--text-muted);
  padding: 0.1rem 0.5rem;
  border: 1px solid var(--border);
}
.timeline-highlights { display: flex; flex-direction: column; gap: 0.5rem; }
.timeline-highlight {
  font-size: 0.88rem;
  color: var(--text-dim);
  line-height: 1.6;
  display: flex; gap: 0.75rem;
}
.timeline-highlight::before {
  content: '→';
  color: var(--accent2);
  flex-shrink: 0;
  font-family: var(--font-mono);
}

/* ===== CONTACT ===== */
#contact { background: var(--bg2); }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 5rem;
  align-items: start;
}
.contact-intro {
  font-size: 1.05rem;
  color: var(--text-dim);
  line-height: 1.8;
  margin-bottom: 2.5rem;
}
.contact-links { display: flex; flex-direction: column; gap: 1.2rem; }
.contact-link {
  display: flex; align-items: center; gap: 1rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-dim);
  text-decoration: none;
  transition: color 0.2s;
}
.contact-link:hover { color: var(--accent); }
.contact-icon {
  width: 36px; height: 36px;
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--accent);
  flex-shrink: 0;
  transition: all 0.2s;
  font-size: 1rem;
}
.contact-link:hover .contact-icon {
  background: rgba(0,245,212,0.1);
  border-color: var(--border2);
}
.contact-form { display: flex; flex-direction: column; gap: 1.2rem; }
.form-group { display: flex; flex-direction: column; gap: 0.5rem; }
.form-group label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent);
  letter-spacing: 0.1em;
}
.form-group input,
.form-group textarea {
  background: var(--bg3);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.85rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  outline: none;
  transition: border-color 0.2s;
  resize: vertical;
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--border2);
  box-shadow: 0 0 0 1px rgba(0,245,212,0.1);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-muted); }
.form-status {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 0.75rem 1rem;
  display: none;
}
.form-status.success {
  display: block;
  border: 1px solid rgba(0,230,118,0.3);
  color: #00e676;
  background: rgba(0,230,118,0.05);
}
.form-status.error {
  display: block;
  border: 1px solid rgba(255,45,120,0.3);
  color: var(--accent3);
  background: rgba(255,45,120,0.05);
}

/* ===== FOOTER ===== */
footer {
  border-top: 1px solid var(--border);
  padding: 2rem 4rem;
}
.footer-inner {
  display: flex; align-items: center; gap: 2rem;
}
.footer-logo {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--accent);
  font-weight: 700;
}
.footer-text {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  flex: 1;
}
.footer-api {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-muted);
  padding: 0.25rem 0.75rem;
  border: 1px solid var(--border);
  letter-spacing: 0.1em;
}

/* ===== ANIMATIONS ===== */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
.reveal {
  opacity: 0; transform: translateY(20px);
  transition: opacity 0.6s, transform 0.6s;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  section { padding: 6rem 1.5rem; }
  #navbar { padding: 1rem 1.5rem; }
  .nav-links { display: none; }
  #hero { flex-direction: column; padding: 6rem 1.5rem 3rem; }
  .hero-visual { display: none; }
  .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 2rem; }
  .skills-grid, .projects-grid { grid-template-columns: 1fr; }
}