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

:root {
  --bg:        #0a0a0a;
  --bg-2:      #111111;
  --bg-3:      #1a1a1a;
  --border:    #222222;
  --accent:    #e8441a;
  --accent-2:  #ff6b3d;
  --text:      #e8e8e8;
  --text-muted:#888888;
  --text-dim:  #555555;
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --radius:    6px;
  --transition: 0.2s ease;
}

html { scroll-behavior: smooth; font-size: 16px; }

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

a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent-2); }

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

/* ===== NAV ===== */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 0 2rem;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(10,10,10,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition);
}

nav.scrolled { border-bottom-color: var(--border); }

.nav-logo {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--text);
  font-weight: 500;
  letter-spacing: -0.02em;
}

.nav-logo span { color: var(--accent); }

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

.nav-links a {
  color: var(--text-muted);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 500;
}

.nav-links a:hover { color: var(--text); }
.nav-links a.active { color: var(--accent); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  transition: all 0.3s ease;
}

/* ===== HERO ===== */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 6rem 2rem 4rem;
  max-width: 1100px;
  margin: 0 auto;
}

.hero-inner {
  width: 100%;
}

.hero-tag {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.hero-tag::before {
  content: '';
  display: inline-block;
  width: 28px;
  height: 1px;
  background: var(--accent);
}

h1.hero-name {
  font-size: clamp(3rem, 8vw, 6.5rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.04em;
  margin-bottom: 0.4em;
  color: var(--text);
}

h1.hero-name .accent { color: var(--accent); }

.hero-title {
  font-size: clamp(1rem, 2.5vw, 1.4rem);
  color: var(--text-muted);
  font-weight: 400;
  margin-bottom: 2rem;
  max-width: 600px;
  line-height: 1.5;
}

.hero-meta {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
  font-size: 0.85rem;
  color: var(--text-dim);
  font-family: var(--font-mono);
}

.hero-meta span { display: flex; align-items: center; gap: 0.4rem; }
.hero-meta svg { color: var(--accent); flex-shrink: 0; }

.hero-cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.5rem;
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: all var(--transition);
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover {
  background: var(--accent-2);
  color: #fff;
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-1px);
}

.hero-scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-dim);
  font-size: 0.7rem;
  font-family: var(--font-mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

/* ===== SECTIONS ===== */
section {
  padding: 6rem 2rem;
  max-width: 1100px;
  margin: 0 auto;
}

.section-header {
  margin-bottom: 3.5rem;
}

.section-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.section-tag::before {
  content: '';
  display: inline-block;
  width: 20px;
  height: 1px;
  background: var(--accent);
}

h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text);
}

.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 0;
}

/* ===== ABOUT ===== */
#about { border-top: 1px solid var(--border); }

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

.about-text p {
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 1.2rem;
}

.about-text p:last-child { margin-bottom: 0; }

.about-quote {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--accent);
  border-left: 2px solid var(--accent);
  padding-left: 1rem;
  margin-top: 1.5rem;
  font-style: italic;
}

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.stat-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: border-color var(--transition);
}

.stat-card:hover { border-color: var(--accent); }

.stat-number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 0.3rem;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ===== EXPERIENCE ===== */
#experience { border-top: 1px solid var(--border); }

.experience-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.exp-item {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 2rem;
  padding: 2rem 0;
  border-bottom: 1px solid var(--border);
  position: relative;
}

.exp-item:last-child { border-bottom: none; }

.exp-date {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-dim);
  padding-top: 0.2rem;
  line-height: 1.6;
}

.exp-content {}

.exp-role {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.2rem;
}

.exp-company {
  font-size: 0.875rem;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 0.8rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.exp-location {
  font-size: 0.78rem;
  color: var(--text-dim);
}

.exp-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 1rem;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  background: var(--bg-3);
  color: var(--text-dim);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 0.25rem 0.6rem;
  letter-spacing: 0.02em;
}

/* ===== SKILLS ===== */
#skills { border-top: 1px solid var(--border); }

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.skill-group {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: border-color var(--transition), transform var(--transition);
}

.skill-group:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.skill-group-title {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.skill-group-title svg { flex-shrink: 0; }

.skill-items {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.skill-item {
  font-size: 0.82rem;
  color: var(--text-muted);
  background: var(--bg-3);
  border-radius: 3px;
  padding: 0.3rem 0.7rem;
}

/* ===== PROJECTS ===== */
#projects { border-top: 1px solid var(--border); }

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
}

.project-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  transition: border-color var(--transition), transform var(--transition);
}

.project-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
}

.project-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 0.75rem;
  gap: 1rem;
}

.project-name {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
}

.project-link {
  color: var(--text-dim);
  flex-shrink: 0;
  transition: color var(--transition);
}
.project-link:hover { color: var(--accent); }

.project-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.65;
  flex-grow: 1;
  margin-bottom: 1.25rem;
}

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

.project-lang {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.lang-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

/* Language colors */
.lang-js { background: #f1e05a; }
.lang-py { background: #3572A5; }
.lang-go { background: #00ADD8; }
.lang-sh { background: #89e051; }
.lang-php { background: #4F5D95; }
.lang-ts { background: #2b7489; }
.lang-default { background: var(--text-dim); }

/* ===== MUSIC ===== */
#music {
  border-top: 1px solid var(--border);
}

.music-hero {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 3rem;
  margin-bottom: 2rem;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 3rem;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.music-hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(232,68,26,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.music-band-name {
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--text);
  margin-bottom: 0.5rem;
}

.music-tagline {
  font-size: 1rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.music-links {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.music-icon {
  font-size: 4rem;
  opacity: 0.15;
  user-select: none;
}

.music-info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.music-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: border-color var(--transition);
}

.music-card:hover { border-color: var(--accent); }

.music-card-title {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.music-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ===== CONTACT ===== */
#contact {
  border-top: 1px solid var(--border);
}

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

.contact-text {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 2rem;
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.contact-link {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.25rem;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  transition: all var(--transition);
  font-size: 0.9rem;
}

.contact-link:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateX(4px);
}

.contact-link svg {
  color: var(--accent);
  flex-shrink: 0;
}

.contact-link-label {
  flex-grow: 1;
}

.contact-link-value {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-dim);
}

.contact-right {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
}

.contact-right h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text);
}

.contact-right p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.availability {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.5rem;
  font-size: 0.82rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
}

.availability-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #22c55e;
  animation: pulse-dot 2s infinite;
  flex-shrink: 0;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* ===== FOOTER ===== */
footer {
  border-top: 1px solid var(--border);
  padding: 2rem;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-dim);
}

footer a { color: var(--text-dim); }
footer a:hover { color: var(--accent); }

/* ===== FADE IN ===== */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: none;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  nav { padding: 0 1.25rem; }

  .nav-links {
    position: fixed;
    top: 60px; left: 0; right: 0;
    background: var(--bg-2);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: 1.5rem;
    gap: 1.25rem;
    display: none;
  }

  .nav-links.open { display: flex; }
  .nav-toggle { display: flex; }

  section { padding: 4rem 1.25rem; }
  #hero { padding: 6rem 1.25rem 4rem; }

  .about-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .about-stats { grid-template-columns: 1fr 1fr; }

  .exp-item { grid-template-columns: 1fr; gap: 0.5rem; }
  .exp-date { font-size: 0.75rem; }

  .contact-inner { grid-template-columns: 1fr; gap: 2rem; }

  .music-hero {
    grid-template-columns: 1fr;
    padding: 2rem;
  }

  .music-icon { display: none; }

  h1.hero-name { font-size: clamp(2.5rem, 10vw, 4rem); }
}