/* ─── THEME VARIABLES ─────────────────────────── */
:root {
  --bg:       #07090f;
  --bg2:      #0d1018;
  --surface:  #111520;
  --border:   #1c2235;
  --accent:   #00ffe0;
  --accent2:  #7966d6;
  --accent3:  #ff4d6d;
  --text:     #dde3f0;
  --muted:    #5a6480;
  --glow:     0 0 32px rgba(0,255,224,.2);
}

[data-theme="light"] {
  --bg:       #f2f4fb;
  --bg2:      #e8ebf7;
  --surface:  #ffffff;
  --border:   #d0d6ee;
  --accent:   #0099a8;
  --accent2:  #6a54c4;
  --accent3:  #e0003e;
  --text:     #141928;
  --muted:    #7a84a8;
  --glow:     0 0 32px rgba(0,153,168,.15);
}

/* ─── RESET ───────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Space Mono', monospace;
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  transition: background .4s, color .4s;
}

/* ─── NOISE OVERLAY ───────────────────────────── */
body::before {
  content: '';
  position: fixed; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none; z-index: 0; opacity: .5;
}

/* ─── GRID BACKGROUND ─────────────────────────── */
.grid-bg {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 60px 60px;
  opacity: .35;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black 30%, transparent 100%);
}

/* ─── NAV ─────────────────────────────────────── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 5vw;
  height: 64px;
  background: rgba(7,9,15,.85);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
  transition: background .4s;
}

[data-theme="light"] nav { background: rgba(242,244,251,.88); }

.nav-logo {
  font-family: 'Syne', sans-serif;
  font-weight: 900; font-size: 1.1rem;
  color: var(--accent);
  letter-spacing: .05em;
  text-decoration: none;
}
.nav-logo span { color: var(--text); }

.nav-links {
  display: flex; gap: 2rem; list-style: none;
}
.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: .75rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  transition: color .2s;
}
.nav-links a:hover { color: var(--accent); }

.nav-actions { display: flex; gap: .75rem; align-items: center; }

.btn-icon {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  width: 38px; height: 38px;
  border-radius: 8px;
  cursor: pointer;
  display: grid; place-items: center;
  font-size: 1rem;
  transition: border-color .2s, box-shadow .2s, background .2s;
}
.btn-icon:hover { border-color: var(--accent); box-shadow: var(--glow); }

.btn-dl {
  background: transparent;
  border: 1px solid var(--accent);
  color: var(--accent);
  padding: .4rem .9rem;
  border-radius: 8px;
  font-family: 'Space Mono', monospace;
  font-size: .7rem;
  letter-spacing: .08em;
  cursor: pointer;
  transition: background .2s, box-shadow .2s;
  text-decoration: none;
  white-space: nowrap;
}
.btn-dl:hover { background: rgba(0,255,224,.1); box-shadow: var(--glow); }

/* ─── HERO ────────────────────────────────────── */
#hero {
  position: relative; z-index: 1;
  min-height: 100vh;
  display: flex; align-items: center;
  padding: 96px 8vw 64px;
  gap: 4rem;
}

.hero-content { flex: 1; max-width: 640px; }

.hero-badge {
  display: inline-flex; align-items: center; gap: .5rem;
  background: rgba(0,255,224,.07);
  border: 1px solid rgba(0,255,224,.25);
  color: var(--accent);
  padding: .35rem .8rem;
  border-radius: 99px;
  font-size: .7rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  margin-bottom: 2rem;
}
.hero-badge::before {
  content: '';
  width: 7px; height: 7px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .4; transform: scale(.7); }
}

.hero-name {
  font-family: 'Syne', sans-serif;
  font-weight: 900;
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  line-height: .95;
  letter-spacing: -.02em;
  margin-bottom: .4rem;
}
.hero-name .accent { color: var(--accent); }

.hero-title {
  font-family: 'Syne', sans-serif;
  font-size: clamp(1rem, 2.5vw, 1.4rem);
  font-weight: 400;
  color: var(--muted);
  margin-bottom: 1.5rem;
}

.hero-seeking {
  background: linear-gradient(135deg, rgba(121,102,214,.15), rgba(0,255,224,.08));
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent2);
  padding: 1.2rem 1.5rem;
  border-radius: 12px;
  margin-bottom: 2.5rem;
}
.hero-seeking .label {
  font-size: .65rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--accent2);
  margin-bottom: .4rem;
}
.hero-seeking p { font-size: .9rem; color: var(--text); line-height: 1.6; }
.hero-seeking strong { color: var(--accent); }

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

.btn-primary {
  background: var(--accent);
  color: #07090f;
  border: none;
  padding: .75rem 1.6rem;
  border-radius: 10px;
  font-family: 'Space Mono', monospace;
  font-weight: 700;
  font-size: .8rem;
  letter-spacing: .06em;
  cursor: pointer;
  text-decoration: none;
  transition: box-shadow .2s, transform .15s;
}
.btn-primary:hover { box-shadow: 0 0 28px rgba(0,255,224,.4); transform: translateY(-2px); }

.btn-secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
  padding: .75rem 1.6rem;
  border-radius: 10px;
  font-family: 'Space Mono', monospace;
  font-size: .8rem;
  letter-spacing: .06em;
  cursor: pointer;
  text-decoration: none;
  transition: border-color .2s, box-shadow .2s;
}
.btn-secondary:hover { border-color: var(--accent2); box-shadow: 0 0 20px rgba(121,102,214,.2); }

.hero-stats { display: flex; gap: 2.5rem; flex-wrap: wrap; }

.stat .num {
  font-family: 'Syne', sans-serif;
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
}
.stat .lbl {
  font-size: .65rem;
  color: var(--muted);
  letter-spacing: .1em;
  text-transform: uppercase;
  margin-top: .2rem;
}

/* Terminal card */
.hero-terminal {
  flex: 0 0 380px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 24px 80px rgba(0,0,0,.5);
  position: relative;
}
.hero-terminal::after {
  content: '';
  position: absolute; inset: 0;
  background: repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(0,0,0,.03) 2px, rgba(0,0,0,.03) 4px);
  pointer-events: none; border-radius: 16px;
}

.term-bar {
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  padding: .7rem 1rem;
  display: flex; align-items: center; gap: .5rem;
}
.term-dot { width: 11px; height: 11px; border-radius: 50%; }
.term-dot:nth-child(1) { background: #ff5f57; }
.term-dot:nth-child(2) { background: #febc2e; }
.term-dot:nth-child(3) { background: #28c840; }
.term-title { font-size: .7rem; color: var(--muted); margin: 0 auto; }

.term-body { padding: 1.4rem; font-size: .78rem; line-height: 2; }
.term-line { display: flex; gap: .6rem; }
.term-prompt { color: var(--accent); flex-shrink: 0; }
.term-cmd { color: var(--text); }
.term-out { color: var(--muted); padding-left: 1rem; }
.term-out.hi { color: var(--accent2); }
.term-out.ok { color: #28c840; }
.term-cursor {
  display: inline-block;
  width: 8px; height: 1em;
  background: var(--accent);
  animation: blink .8s steps(1) infinite;
  vertical-align: middle;
  margin-left: 2px;
}
@keyframes blink { 50% { opacity: 0; } }

/* ─── SECTION COMMON ──────────────────────────── */
section { position: relative; z-index: 1; padding: 96px 8vw; }

.section-tag {
  font-size: .65rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: .8rem;
}
.section-title {
  font-family: 'Syne', sans-serif;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 3rem;
}
.section-title span { color: var(--accent); }

/* ─── SKILLS ──────────────────────────────────── */
#skills { background: var(--bg2); }

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}
.skill-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.8rem;
  transition: border-color .25s, box-shadow .25s, transform .2s;
}
.skill-card:hover {
  border-color: var(--accent);
  box-shadow: var(--glow);
  transform: translateY(-4px);
}
.skill-icon { font-size: 1.8rem; margin-bottom: 1rem; }
.skill-card h3 {
  font-family: 'Syne', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text);
}
.skill-tags { display: flex; flex-wrap: wrap; gap: .5rem; }

.tag {
  background: rgba(0,255,224,.07);
  border: 1px solid rgba(0,255,224,.15);
  color: var(--accent);
  font-size: .65rem;
  padding: .25rem .6rem;
  border-radius: 6px;
  letter-spacing: .06em;
}
.tag.purple {
  background: rgba(121,102,214,.1);
  border-color: rgba(121,102,214,.25);
  color: var(--accent2);
}
.tag.red {
  background: rgba(255,77,109,.07);
  border-color: rgba(255,77,109,.2);
  color: var(--accent3);
}

/* ─── PROJECTS ────────────────────────────────── */
.projects-list { display: flex; flex-direction: column; gap: 1.5rem; }

.project-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2rem 2.5rem;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 0 2rem;
  align-items: start;
  transition: border-color .25s, box-shadow .25s;
}
.project-card:hover { border-color: var(--accent2); box-shadow: 0 0 30px rgba(121,102,214,.15); }

.project-num {
  font-family: 'Syne', sans-serif;
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--border);
  line-height: 1;
  padding-top: .2rem;
}
.project-body h3 {
  font-family: 'Syne', sans-serif;
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: .3rem;
}
.project-meta {
  font-size: .68rem;
  color: var(--muted);
  letter-spacing: .08em;
  margin-bottom: .9rem;
}
.project-body ul { list-style: none; display: flex; flex-direction: column; gap: .4rem; }
.project-body ul li {
  font-size: .78rem;
  color: var(--muted);
  padding-left: 1.2rem;
  position: relative;
}
.project-body ul li::before { content: '›'; position: absolute; left: 0; color: var(--accent); }

.project-badge {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: .4rem .8rem;
  font-size: .65rem;
  color: var(--muted);
  white-space: nowrap;
  align-self: start;
}

/* ─── ABOUT ───────────────────────────────────── */
#about { background: var(--bg2); }

.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; }
.about-text { color: var(--muted); font-size: .85rem; line-height: 1.9; margin-bottom: 1.8rem; }
.about-subtitle {
  font-family: 'Syne', sans-serif;
  font-size: .9rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1rem;
}

.soft-pills { display: flex; flex-wrap: wrap; gap: .75rem; margin-bottom: 2rem; }
.pill {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 99px;
  padding: .5rem 1.2rem;
  font-size: .78rem;
  color: var(--text);
  transition: border-color .2s;
}
.pill:hover { border-color: var(--accent); }

.lang-item {
  display: flex; align-items: center; gap: 1rem;
  padding: 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  margin-bottom: .75rem;
}
.lang-flag { font-size: 1.5rem; }
.lang-info h4 { font-size: .85rem; font-weight: 700; margin-bottom: .1rem; }
.lang-info span { font-size: .7rem; color: var(--muted); }
.lang-level {
  margin-left: auto;
  background: rgba(0,255,224,.08);
  border: 1px solid rgba(0,255,224,.2);
  color: var(--accent);
  font-size: .65rem;
  padding: .25rem .7rem;
  border-radius: 6px;
}

.misc-pills { display: flex; flex-wrap: wrap; gap: .75rem; }

/* ─── INTERESTS CTA ───────────────────────────── */
#interests-cta { padding: 80px 8vw; }

.cta-card {
  background: linear-gradient(135deg, var(--surface) 0%, rgba(121,102,214,.15) 100%);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 4rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-card::before {
  content: '';
  position: absolute; top: -60px; right: -60px;
  width: 240px; height: 240px;
  background: radial-gradient(circle, rgba(0,255,224,.12), transparent 70%);
  pointer-events: none;
}
.cta-emoji { font-size: 3.5rem; margin-bottom: 1.5rem; }
.cta-card h2 {
  font-family: 'Syne', sans-serif;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 800;
  margin-bottom: .75rem;
}
.cta-card p {
  color: var(--muted);
  font-size: .85rem;
  margin-bottom: 2rem;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}
.btn-magic {
  display: inline-flex; align-items: center; gap: .6rem;
  background: linear-gradient(135deg, #b47fea, #f0a0c8, #ffd6a0);
  color: #1a0a2e;
  border: none;
  padding: .85rem 2rem;
  border-radius: 12px;
  font-family: 'Space Mono', monospace;
  font-weight: 700;
  font-size: .82rem;
  cursor: pointer;
  text-decoration: none;
  transition: transform .2s, box-shadow .2s;
  box-shadow: 0 8px 30px rgba(180,127,234,.3);
}
.btn-magic:hover { transform: translateY(-3px) scale(1.02); box-shadow: 0 14px 40px rgba(180,127,234,.45); }

/* ─── CONTACT ─────────────────────────────────── */
#contact {
  background: var(--bg2);
  text-align: center;
  padding: 80px 8vw;
}
.contact-inner { max-width: 560px; margin: 0 auto; }
.contact-inner p { color: var(--muted); font-size: .85rem; line-height: 1.8; margin-bottom: 2rem; }

.contact-email {
  display: inline-flex; align-items: center; gap: .8rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem 2rem;
  font-size: .9rem;
  color: var(--accent);
  text-decoration: none;
  transition: border-color .2s, box-shadow .2s;
  margin-bottom: 2rem;
}
.contact-email:hover { border-color: var(--accent); box-shadow: var(--glow); }

.contact-links { display: flex; justify-content: center; gap: 1rem; flex-wrap: wrap; }
.contact-link {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--muted);
  padding: .5rem 1.2rem;
  border-radius: 8px;
  font-size: .72rem;
  letter-spacing: .08em;
  text-decoration: none;
}

/* ─── FOOTER ──────────────────────────────────── */
footer {
  text-align: center;
  padding: 2rem 8vw;
  font-size: .65rem;
  color: var(--muted);
  border-top: 1px solid var(--border);
  position: relative; z-index: 1;
}

/* ─── ANIMATIONS ──────────────────────────────── */
.fade-in {
  opacity: 0; transform: translateY(24px);
  animation: fadeIn .6s ease forwards;
}
@keyframes fadeIn { to { opacity: 1; transform: translateY(0); } }
.fade-in:nth-child(1) { animation-delay: .1s; }
.fade-in:nth-child(2) { animation-delay: .2s; }
.fade-in:nth-child(3) { animation-delay: .3s; }
.fade-in:nth-child(4) { animation-delay: .4s; }
.fade-in:nth-child(5) { animation-delay: .5s; }

/* ─── RESPONSIVE ──────────────────────────────── */
@media (max-width: 900px) {
  #hero { flex-direction: column; }
  .hero-terminal { flex: 0 0 auto; width: 100%; max-width: 420px; }
  .project-card { grid-template-columns: 1fr; }
  .project-num { font-size: 1.5rem; }
  .nav-links { display: none; }
  .about-grid { grid-template-columns: 1fr; }
}