/* ── Reset & Base ───────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:      #080808;
  --bg2:     #101010;
  --bg3:     #161616;
  --border:  #242424;
  --text:    #e8eaed;
  --muted:   #6b7280;
  --accent:  #2060f0;
  --accent2: #00d084;
  --radius:  14px;
  --font:    monospace;
  --mono:    'JetBrains Mono', monospace;
}

html { scroll-behavior: smooth; background: #080808; }

#galaxy {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: -1;
  pointer-events: none;
}

body {
  font-family: var(--font);
  background: transparent;
  color: var(--text);
  line-height: 1.6;
  font-size: 16px;
  overflow-x: hidden;
}

body::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
  background-size: 180px 180px;
  opacity: 0.025;
  pointer-events: none;
  z-index: 9998;
}

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

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── NAV ────────────────────────────────────────────────────────────────────── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(36,36,36,0);
  background: rgba(8,8,8,0.0);
  backdrop-filter: blur(0px);
  -webkit-backdrop-filter: blur(0px);
  transition: border-color 0.3s, background 0.3s, backdrop-filter 0.3s;
}
nav.scrolled {
  border-bottom-color: rgba(36,36,36,0.7);
  background: rgba(8,8,8,0.92);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: 0.01em;
}

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
}
.nav-links a {
  font-size: 0.875rem;
  color: var(--muted);
  transition: color 0.2s;
  letter-spacing: 0.02em;
}
.nav-links a:hover { color: var(--text); }

/* ── HERO ───────────────────────────────────────────────────────────────────── */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 64px;
  position: relative;
  overflow: hidden;
}

.hero-inner {
  display: flex;
  flex-direction: column;
  gap: 24px;
  max-width: 700px;
  position: relative;
  z-index: 1;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  color: var(--muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.03);
  padding: 5px 14px;
  border-radius: 99px;
  width: fit-content;
}
.hero-eyebrow-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent2);
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.75); }
}

.hero-name {
  font-size: clamp(2.4rem, 4vw, 3.8rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--text);
}

.hero-gradient {
  background: linear-gradient(90deg, #2060f0, #5090ff, #7fb0ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.cursor-block {
  display: inline-block;
  width: 0.5em;
  height: 0.9em;
  background: #ffffff;
  margin-left: 5px;
  vertical-align: text-bottom;
  animation: cursor-blink 1.1s step-end infinite;
}
@keyframes cursor-blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

.hero-tagline {
  font-size: clamp(1rem, 2.2vw, 1.3rem);
  color: var(--muted);
  line-height: 1.5;
  max-width: 560px;
}
.hero-tagline span {
  color: var(--text);
  font-weight: 500;
}

.hero-ctas {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 8px;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 12px 28px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-family: var(--font);
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
  font-weight: 600;
  letter-spacing: 0.01em;
}
.btn-primary:hover { background: #1a50d8; transform: translateY(-1px); }

.btn-ghost {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
  padding: 12px 28px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-family: var(--font);
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s, transform 0.15s;
  font-weight: 500;
}
.btn-ghost:hover { color: var(--text); border-color: #444; transform: translateY(-1px); }

.hero-stats {
  display: flex;
  gap: 40px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  margin-top: 8px;
}
.stat-item {}
.stat-value {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
}
.stat-label {
  font-size: 0.75rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 2px;
}

/* ── SECTION SHARED ─────────────────────────────────────────────────────────── */
section {
  padding: 100px 0;
}

.section-label {
  font-size: 0.72rem;
  color: var(--accent);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 12px;
  font-weight: 600;
}

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.section-sub {
  font-size: 1rem;
  color: var(--muted);
  max-width: 560px;
  line-height: 1.65;
}

/* ── PROJECTS ───────────────────────────────────────────────────────────────── */
#projects { padding-top: 80px; }

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 24px;
  margin-top: 56px;
}

.project-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: border-color 0.25s, transform 0.2s, box-shadow 0.25s;
  opacity: 0;
  transform: translateY(28px);
}
.project-card.visible {
  animation: fadeUp 0.55s ease forwards;
}
@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}
.project-card:hover {
  border-color: rgba(32,96,240,0.45);
  transform: translateY(-3px);
  box-shadow: 0 8px 40px rgba(32,96,240,0.1);
}

.project-card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.project-icon {
  width: 44px; height: 44px;
  border-radius: 10px;
  background: rgba(32,96,240,0.12);
  border: 1px solid rgba(32,96,240,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}

.project-links {
  display: flex;
  gap: 8px;
}
.project-link {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 0.78rem;
  color: var(--muted);
  border: 1px solid var(--border);
  padding: 5px 11px;
  border-radius: 6px;
  transition: color 0.2s, border-color 0.2s;
}
.project-link:hover { color: var(--text); border-color: #444; }
.project-link svg { flex-shrink: 0; }

.project-name {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.01em;
}

.project-desc {
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.6;
  flex: 1;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 4px;
}
.tag {
  font-size: 0.72rem;
  color: var(--muted);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  padding: 3px 10px;
  border-radius: 99px;
  letter-spacing: 0.04em;
}
.tag.accent { color: #7ab3ff; border-color: rgba(32,96,240,0.35); background: rgba(32,96,240,0.08); }
.tag.green  { color: #5dd8a0; border-color: rgba(0,208,132,0.3);  background: rgba(0,208,132,0.07); }

/* ── ABOUT ──────────────────────────────────────────────────────────────────── */
#about {
  padding: 100px 0;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
  margin-top: 56px;
}

.about-text p {
  font-size: 0.95rem;
  color: var(--muted);
  line-height: 1.8;
  margin-bottom: 18px;
}
.about-text p span {
  color: var(--text);
  font-weight: 500;
}

.skills-group {
  margin-bottom: 32px;
}
.skills-group-label {
  font-size: 0.72rem;
  color: var(--accent);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: 12px;
}
.skills-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.skill-pill {
  font-size: 0.8rem;
  color: var(--text);
  background: var(--bg3);
  border: 1px solid var(--border);
  padding: 6px 14px;
  border-radius: 8px;
  letter-spacing: 0.02em;
  transition: border-color 0.2s, background 0.2s;
}
.skill-pill:hover {
  border-color: rgba(32,96,240,0.4);
  background: rgba(32,96,240,0.07);
}

/* ── CONTACT ────────────────────────────────────────────────────────────────── */
#contact {
  padding: 100px 0 120px;
}

.contact-box {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 56px 48px;
  max-width: 600px;
  margin-top: 56px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 7px;
  margin-bottom: 18px;
}
.form-group label {
  font-size: 0.78rem;
  color: var(--muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.form-group input,
.form-group textarea {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 11px 14px;
  font-size: 0.9rem;
  font-family: var(--font);
  color: var(--text);
  outline: none;
  transition: border-color 0.2s;
  resize: vertical;
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: rgba(32,96,240,0.6);
}

.form-submit { margin-top: 8px; }

#form-status {
  font-size: 0.85rem;
  margin-top: 12px;
  min-height: 20px;
  color: var(--accent2);
}

/* ── FOOTER ─────────────────────────────────────────────────────────────────── */
footer {
  border-top: 1px solid var(--border);
  padding: 36px 0;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 0.9rem;
  color: var(--muted);
}
.footer-links {
  display: flex;
  gap: 24px;
}
.footer-links a {
  font-size: 0.82rem;
  color: var(--muted);
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--text); }

/* ── PROJECT RESULT LINE ────────────────────────────────────────────────────── */
.project-result {
  font-size: 0.75rem;
  color: #5090cc;
  letter-spacing: 0.04em;
  margin-top: -8px;
}

/* ── FILTER TABS ────────────────────────────────────────────────────────────── */
.filter-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 36px;
}
.filter-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  font-family: var(--font);
  font-size: 0.8rem;
  padding: 7px 18px;
  border-radius: 99px;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
  letter-spacing: 0.03em;
}
.filter-btn:hover {
  color: var(--text);
  border-color: #444;
}
.filter-btn.active {
  color: #7ab3ff;
  border-color: rgba(32,96,240,0.5);
  background: rgba(32,96,240,0.1);
}

.project-card.hidden {
  display: none;
}

/* ── FADE-IN OBSERVER ───────────────────────────────────────────────────────── */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: none;
}

/* ── RESPONSIVE ─────────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .form-row { grid-template-columns: 1fr; }
  .contact-box { padding: 36px 24px; }
  .hero-stats { gap: 24px; }
  .nav-links { display: none; }
  .projects-grid { grid-template-columns: 1fr; }
}