/* =========================================
   ROOT & RESET
========================================= */
:root {
  --cyan: #00f5d4;
  --cyan-dim: #00c4aa;
  --cyan-glow: rgba(0, 245, 212, 0.18);
  --cyan-glow-strong: rgba(0, 245, 212, 0.35);
  --bg: #060a10;
  --bg-2: #0a1020;
  --glass: rgba(255, 255, 255, 0.04);
  --glass-border: rgba(0, 245, 212, 0.15);
  --glass-border-hover: rgba(0, 245, 212, 0.4);
  --text: #e8f0fe;
  --text-dim: #8899aa;
  --polygon-color: #8247e5;
  --algorand-color: #00adef;
  --airfist-color: #ff6b35;
  --font-display: 'Orbitron', monospace;
  --font-body: 'Exo 2', sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

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

a { text-decoration: none; color: inherit; }

/* =========================================
   BACKGROUND CANVAS + GRID
========================================= */
#bg-canvas {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 0;
  pointer-events: none;
}

.grid-overlay {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(0,245,212,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,245,212,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}

/* =========================================
   NAV
========================================= */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 0 2rem;
  height: 64px;
  display: flex;
  align-items: center;
  background: rgba(6, 10, 16, 0.7);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  transition: background 0.3s;
}

.nav-inner {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 900;
  letter-spacing: 2px;
  color: var(--text);
  margin-right: auto;
}

.nav-logo .dot { color: var(--cyan); }

.nav-links {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-links a {
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-dim);
  transition: color 0.3s;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 1px;
  background: var(--cyan);
  transition: width 0.3s;
}

.nav-links a:hover { color: var(--cyan); }
.nav-links a:hover::after { width: 100%; }

.nav-cta {
  font-family: var(--font-display);
  font-size: 0.75rem;
  padding: 0.45rem 1.1rem;
  border: 1px solid var(--cyan);
  color: var(--cyan);
  border-radius: 4px;
  transition: background 0.3s, box-shadow 0.3s;
  white-space: nowrap;
}

.nav-cta:hover {
  background: var(--cyan-glow);
  box-shadow: 0 0 16px var(--cyan-glow-strong);
}

/* =========================================
   GLASS CARD
========================================= */
.glass-card {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(16px);
  border-radius: 16px;
  transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s;
}

.glass-card:hover {
  border-color: var(--glass-border-hover);
  box-shadow: 0 0 32px var(--cyan-glow), 0 8px 40px rgba(0,0,0,0.4);
  transform: translateY(-2px);
}

/* =========================================
   SECTION BASE
========================================= */
section {
  position: relative;
  z-index: 1;
  padding: 7rem 2rem;
}

.section-container {
  max-width: 1200px;
  margin: 0 auto;
}

.section-label {
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 3px;
  color: var(--cyan);
  text-transform: uppercase;
  margin-bottom: 1rem;
  opacity: 0.7;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 2.5rem;
  color: var(--text);
}

.accent { color: var(--cyan); }

/* =========================================
   BUTTONS
========================================= */
.btn-primary {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.82rem;
  letter-spacing: 1.5px;
  padding: 0.85rem 2rem;
  background: linear-gradient(135deg, var(--cyan), var(--cyan-dim));
  color: #060a10;
  font-weight: 700;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  transition: box-shadow 0.3s, transform 0.2s;
}

.btn-primary:hover {
  box-shadow: 0 0 28px var(--cyan-glow-strong), 0 4px 20px rgba(0,0,0,0.4);
  transform: translateY(-2px);
}

.btn-primary.full-width { width: 100%; text-align: center; }

.btn-ghost {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.82rem;
  letter-spacing: 1.5px;
  padding: 0.85rem 2rem;
  border: 1px solid var(--glass-border-hover);
  color: var(--text);
  border-radius: 6px;
  transition: border-color 0.3s, box-shadow 0.3s, color 0.3s;
}

.btn-ghost:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  box-shadow: 0 0 20px var(--cyan-glow);
}

/* =========================================
   HERO
========================================= */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 7rem 2rem 4rem;
}

#hero .section-container,
#hero > .hero-content {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

#hero {
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-content {
  flex: 1;
  max-width: 600px;
  position: relative;
  z-index: 1;
  animation: fadeUp 0.8s ease both;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  letter-spacing: 1px;
  color: var(--cyan);
  border: 1px solid var(--glass-border-hover);
  background: var(--cyan-glow);
  padding: 0.35rem 1rem;
  border-radius: 100px;
  margin-bottom: 1.5rem;
}

.badge-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 8px var(--cyan);
  animation: pulse 2s infinite;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 7vw, 5rem);
  font-weight: 900;
  line-height: 1.05;
  margin-bottom: 1.2rem;
}

.hero-title .line { display: block; }
.hero-title .accent {
  color: transparent;
  -webkit-text-stroke: 2px var(--cyan);
  text-shadow: 0 0 40px var(--cyan-glow-strong);
}

.hero-sub {
  font-size: 1.1rem;
  color: var(--text-dim);
  min-height: 1.8rem;
  margin-bottom: 2rem;
  font-weight: 300;
}

.cursor-blink {
  color: var(--cyan);
  animation: blink 1s infinite;
  font-weight: 100;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.stat { display: flex; flex-direction: column; }
.stat-num {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--cyan);
}
.stat-label {
  font-size: 0.72rem;
  color: var(--text-dim);
  letter-spacing: 0.5px;
}
.stat-divider {
  width: 1px; height: 36px;
  background: var(--glass-border);
}

/* HERO VISUAL */
.hero-visual {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.orbit-wrap {
  position: relative;
  width: 340px; height: 340px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.orbit-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid var(--glass-border);
}

.ring-1 { width: 340px; height: 340px; animation: spin 18s linear infinite; border-top-color: var(--cyan); }
.ring-2 { width: 250px; height: 250px; animation: spin 12s linear infinite reverse; border-right-color: var(--cyan-dim); }
.ring-3 { width: 160px; height: 160px; animation: spin 8s linear infinite; border-bottom-color: rgba(0,245,212,0.3); }

.avatar-circle {
  width: 100px; height: 100px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--cyan-glow-strong), rgba(0,175,150,0.3));
  border: 2px solid var(--cyan);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 0 40px var(--cyan-glow-strong), inset 0 0 20px rgba(0,245,212,0.1);
  z-index: 2;
}

.avatar-initials {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 900;
  color: var(--cyan);
  letter-spacing: 2px;
}

.orbit-dot {
  position: absolute;
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 12px var(--cyan);
}

.dot-1 {
  top: 0; left: 50%;
  transform: translateX(-50%);
  animation: orbit1 18s linear infinite;
}
.dot-2 {
  top: 50%; right: 0;
  transform: translateY(-50%);
  animation: orbit2 12s linear infinite reverse;
}
.dot-3 {
  bottom: 10%; left: 15%;
  animation: orbit3 8s linear infinite;
  background: var(--cyan-dim);
  width: 7px; height: 7px;
}

/* =========================================
   ABOUT
========================================= */
#about { background: linear-gradient(180deg, transparent, rgba(0,245,212,0.02), transparent); }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.about-text p {
  color: var(--text-dim);
  margin-bottom: 1.2rem;
  font-weight: 300;
  font-size: 1rem;
}

.about-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.5rem;
}

.chip {
  font-size: 0.78rem;
  letter-spacing: 0.5px;
  padding: 0.3rem 0.85rem;
  border-radius: 100px;
  border: 1px solid var(--glass-border-hover);
  background: var(--cyan-glow);
  color: var(--cyan);
  transition: background 0.3s;
}
.chip:hover { background: var(--cyan-glow-strong); }

.about-cards {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.about-card {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.card-icon { font-size: 1.5rem; }

.about-card h3 {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: 1px;
}

.about-card p {
  font-size: 0.88rem;
  color: var(--text-dim);
  font-weight: 300;
}

/* =========================================
   SKILLS
========================================= */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.skill-group {
  padding: 1.8rem;
}

.skill-group-title {
  font-family: var(--font-display);
  font-size: 0.82rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 1.4rem;
}

.skill-bars { display: flex; flex-direction: column; gap: 1rem; }

.skill-item {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.skill-item span {
  font-size: 0.85rem;
  color: var(--text-dim);
  font-weight: 400;
}

.bar {
  height: 4px;
  background: rgba(255,255,255,0.06);
  border-radius: 100px;
  overflow: hidden;
}

.fill {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--cyan), var(--cyan-dim));
  border-radius: 100px;
  box-shadow: 0 0 8px var(--cyan-glow-strong);
  transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.fill.animated { width: var(--w); }

/* =========================================
   PROJECTS
========================================= */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  align-items: start;
}

.project-card {
  padding: 1.8rem;
  position: relative;
  overflow: hidden;
}

.project-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  opacity: 0;
  transition: opacity 0.4s;
}

.project-card:hover::before { opacity: 1; }

.project-card.featured {
  grid-column: span 3;
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-rows: auto auto auto auto auto;
  column-gap: 2rem;
}

.project-card.featured .project-top { grid-column: 1; }
.project-card.featured .project-chain-badge { grid-column: 1; }
.project-card.featured .project-title { grid-column: 1; }
.project-card.featured .project-desc { grid-column: 1; }
.project-card.featured .project-highlights { grid-column: 1 / -1; }
.project-card.featured .project-stack { grid-column: 1 / -1; }
.project-card.featured .wip-badge { grid-column: 2; grid-row: 1; align-self: start; }

.project-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.project-tag {
  font-size: 0.72rem;
  letter-spacing: 1px;
  color: var(--text-dim);
  text-transform: uppercase;
}

.proj-link {
  font-family: var(--font-display);
  font-size: 0.72rem;
  color: var(--cyan);
  letter-spacing: 1px;
  transition: opacity 0.3s;
}
.proj-link:hover { opacity: 0.7; }

.wip-badge {
  font-size: 0.72rem;
  padding: 0.3rem 0.75rem;
  border-radius: 100px;
  background: rgba(255,107,53,0.12);
  border: 1px solid rgba(255,107,53,0.4);
  color: #ff8c5a;
  white-space: nowrap;
  letter-spacing: 0.5px;
}

.project-chain-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 1.5px;
  padding: 0.25rem 0.75rem;
  border-radius: 4px;
  margin-bottom: 0.8rem;
  font-weight: 600;
}

.project-chain-badge.polygon {
  background: rgba(130,71,229,0.15);
  border: 1px solid rgba(130,71,229,0.4);
  color: #a78bfa;
}

.project-chain-badge.algorand {
  background: rgba(0,173,239,0.12);
  border: 1px solid rgba(0,173,239,0.35);
  color: #38bdf8;
}

.project-chain-badge.airfist {
  background: rgba(255,107,53,0.12);
  border: 1px solid rgba(255,107,53,0.4);
  color: #ff8c5a;
}

.project-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.8rem;
  line-height: 1.3;
}

.project-desc {
  font-size: 0.9rem;
  color: var(--text-dim);
  font-weight: 300;
  margin-bottom: 1.2rem;
  line-height: 1.7;
}

.project-highlights {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 1.2rem;
}

.highlight {
  font-size: 0.78rem;
  padding: 0.3rem 0.8rem;
  border-radius: 100px;
  background: rgba(0,245,212,0.07);
  border: 1px solid var(--glass-border);
  color: var(--text-dim);
}

.project-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: auto;
}

.project-stack span {
  font-size: 0.72rem;
  padding: 0.2rem 0.65rem;
  border-radius: 4px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  color: var(--text-dim);
  letter-spacing: 0.5px;
}

/* =========================================
   CONTACT
========================================= */
.contact-sub {
  color: var(--text-dim);
  font-weight: 300;
  margin-bottom: 2.5rem;
  font-size: 1rem;
}

.contact-wrap {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 1.5rem;
  align-items: start;
}

.contact-form {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-size: 0.78rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-dim);
  font-family: var(--font-display);
}

.form-group input,
.form-group textarea {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--glass-border);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.9rem;
  transition: border-color 0.3s, box-shadow 0.3s;
  outline: none;
  resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 16px var(--cyan-glow);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(136,153,170,0.5);
}

.form-success {
  display: none;
  text-align: center;
  color: var(--cyan);
  font-size: 0.9rem;
  padding: 0.5rem;
}

.form-success.show { display: block; }

.contact-info {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.contact-info h3 {
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--cyan);
}

.social-link {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.85rem 1rem;
  border-radius: 10px;
  border: 1px solid var(--glass-border);
  background: var(--glass);
  transition: border-color 0.3s, box-shadow 0.3s;
}

.social-link:hover {
  border-color: var(--glass-border-hover);
  box-shadow: 0 0 20px var(--cyan-glow);
}

.social-icon {
  font-size: 1.3rem;
  width: 36px;
  text-align: center;
  color: var(--cyan);
}

.social-link strong {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
}

.social-link small {
  display: block;
  font-size: 0.76rem;
  color: var(--text-dim);
}

.contact-note {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.82rem;
  color: var(--text-dim);
  margin-top: 0.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--glass-border);
}

/* =========================================
   FOOTER
========================================= */
footer {
  position: relative;
  z-index: 1;
  padding: 2rem;
  border-top: 1px solid var(--glass-border);
  background: rgba(6,10,16,0.9);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.footer-inner p {
  font-size: 0.82rem;
  color: var(--text-dim);
}

.footer-inner a {
  font-family: var(--font-display);
  font-size: 0.75rem;
  color: var(--cyan);
  letter-spacing: 1px;
}

/* =========================================
   ANIMATIONS
========================================= */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 8px var(--cyan); }
  50% { opacity: 0.5; box-shadow: 0 0 4px var(--cyan); }
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

@keyframes orbit1 {
  from { transform: translateX(-50%) rotate(0deg) translateY(-170px) rotate(0deg); }
  to   { transform: translateX(-50%) rotate(360deg) translateY(-170px) rotate(-360deg); }
}
@keyframes orbit2 {
  from { transform: translateY(-50%) rotate(0deg) translateX(125px) rotate(0deg); }
  to   { transform: translateY(-50%) rotate(-360deg) translateX(125px) rotate(360deg); }
}
@keyframes orbit3 {
  from { transform: rotate(0deg) translateX(80px) rotate(0deg); }
  to   { transform: rotate(360deg) translateX(80px) rotate(-360deg); }
}

/* =========================================
   RESPONSIVE
========================================= */
@media (max-width: 1024px) {
  .projects-grid { grid-template-columns: 1fr 1fr; }
  .project-card.featured { grid-column: span 2; }
}

@media (max-width: 768px) {
  #hero { flex-direction: column; text-align: center; padding-top: 6rem; gap: 3rem; }
  .hero-content { max-width: 100%; }
  .hero-actions { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero-visual { display: none; }

  .about-grid { grid-template-columns: 1fr; gap: 2rem; }
  .skills-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .project-card.featured { grid-column: span 1; display: flex; flex-direction: column; }
  .project-card.featured .wip-badge { align-self: flex-start; }
  .contact-wrap { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .footer-inner { flex-direction: column; text-align: center; }
}