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

:root {
  --bg:        #0a0a0f;
  --bg-card:   #111118;
  --bg-card2:  #16161f;
  --border:    rgba(255,255,255,0.07);
  --border-h:  rgba(255,255,255,0.14);
  --text:      #e8e8f0;
  --muted:     #6b6b80;
  --accent:    #7c6fff;
  --accent2:   #4fd1c5;
  --accent-glow: rgba(124,111,255,0.18);
  --font-head: 'Syne', sans-serif;
  --font-mono: 'DM Mono', monospace;
  --max-w:     1100px;
  --radius:    12px;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.75;
  overflow-x: hidden;
}

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

/* ─────────────────────────────────────────
   BACKGROUND EFFECTS
───────────────────────────────────────── */
.bg-grid {
  position: fixed;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 20%, #000 40%, transparent 100%);
  pointer-events: none;
}

.bg-glow {
  position: fixed;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 700px;
  height: 500px;
  background: radial-gradient(ellipse, rgba(124,111,255,0.12) 0%, transparent 70%);
  z-index: 0;
  pointer-events: none;
}

/* ─────────────────────────────────────────
   NAV
───────────────────────────────────────── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(1.5rem, 5vw, 4rem);
  height: 64px;
  background: rgba(10,10,15,0.75);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
}

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

.nav-links a {
  font-size: 0.8rem;
  color: var(--muted);
  letter-spacing: 0.03em;
  transition: color 0.2s;
}

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

.nav-cta {
  padding: 0.4rem 1rem;
  border: 1px solid var(--border-h);
  border-radius: 6px;
  color: var(--text) !important;
  font-size: 0.78rem !important;
  transition: border-color 0.2s, background 0.2s !important;
}

.nav-cta:hover {
  border-color: var(--accent) !important;
  background: var(--accent-glow) !important;
}

/* ─────────────────────────────────────────
   HERO
───────────────────────────────────────── */
.hero {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 6rem 2rem 4rem;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  color: var(--muted);
  border: 1px solid var(--border);
  padding: 0.35rem 1rem;
  border-radius: 999px;
  margin-bottom: 2rem;
  letter-spacing: 0.04em;
  animation: fadeUp 0.6s ease both;
}

.dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--accent2);
  box-shadow: 0 0 8px var(--accent2);
  animation: pulse 2s infinite;
}

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

.hero-name {
  font-family: var(--font-head);
  font-size: clamp(4rem, 12vw, 9rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.04em;
  background: linear-gradient(135deg, #fff 40%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: fadeUp 0.7s 0.1s ease both;
}

.hero-subtitle {
  font-size: 0.85rem;
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: 1rem;
  animation: fadeUp 0.7s 0.2s ease both;
}

.sep { margin: 0 0.5rem; color: var(--accent); }

.hero-desc {
  max-width: 480px;
  font-size: 0.9rem;
  color: var(--muted);
  margin-top: 1.5rem;
  line-height: 1.85;
  animation: fadeUp 0.7s 0.3s ease both;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  margin-top: 2.5rem;
  flex-wrap: wrap;
  justify-content: center;
  animation: fadeUp 0.7s 0.4s ease both;
}

.hero-scroll {
  position: absolute;
  bottom: 2.5rem;
  font-size: 0.7rem;
  color: var(--muted);
  letter-spacing: 0.1em;
  animation: fadeUp 0.7s 0.6s ease both;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ─────────────────────────────────────────
   BUTTONS
───────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.7rem 1.6rem;
  border-radius: 8px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  cursor: pointer;
  transition: transform 0.18s, box-shadow 0.18s, background 0.18s, border-color 0.18s;
  border: 1px solid transparent;
}

.btn:hover { transform: translateY(-2px); }

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 4px 24px rgba(124,111,255,0.35);
}

.btn-primary:hover {
  background: #9080ff;
  box-shadow: 0 6px 32px rgba(124,111,255,0.5);
}

.btn-ghost {
  background: transparent;
  border-color: var(--border-h);
  color: var(--text);
}

.btn-ghost:hover {
  border-color: var(--accent);
  background: var(--accent-glow);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--border-h);
  color: var(--muted);
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--text);
  background: var(--accent-glow);
}

/* ─────────────────────────────────────────
   SECTIONS
───────────────────────────────────────── */
.section {
  position: relative;
  z-index: 1;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 7rem clamp(1.5rem, 5vw, 3rem);
}

.section-label {
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.2rem;
}

.section-title {
  font-family: var(--font-head);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: #fff;
  margin-bottom: 2.5rem;
}

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

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

.about-text p {
  color: var(--muted);
  margin-bottom: 1.2rem;
  font-size: 0.9rem;
  line-height: 1.9;
}

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

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.4rem 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  transition: border-color 0.2s, background 0.2s;
}

.stat-card:hover {
  border-color: var(--accent);
  background: var(--bg-card2);
}

.stat-num {
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent);
}

.stat-label {
  font-size: 0.7rem;
  color: var(--muted);
  letter-spacing: 0.04em;
}

/* ─────────────────────────────────────────
   PROJECTS
───────────────────────────────────────── */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
  margin-bottom: 2.5rem;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.8rem;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s;
  cursor: default;
}

.project-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(124,111,255,0.12);
}

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

.project-icon { font-size: 1.6rem; }

.project-links a {
  font-size: 1.1rem;
  color: var(--muted);
  transition: color 0.2s;
}

.project-links a:hover { color: var(--accent); }

.project-card h3 {
  font-family: var(--font-head);
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.02em;
}

.project-card p {
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.8;
  flex: 1;
}

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

.project-tags span {
  font-size: 0.68rem;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  background: rgba(124,111,255,0.1);
  border: 1px solid rgba(124,111,255,0.25);
  color: var(--accent);
  letter-spacing: 0.04em;
}

.projects-cta { text-align: center; }

/* ─────────────────────────────────────────
   SKILLS
───────────────────────────────────────── */
.skills-container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.skill-group {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.8rem;
  transition: border-color 0.2s;
}

.skill-group:hover { border-color: var(--border-h); }

.skill-group h4 {
  font-family: var(--font-head);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 1.2rem;
  padding-bottom: 0.8rem;
  border-bottom: 1px solid var(--border);
}

.skill-items {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.skill-item {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-size: 0.85rem;
  color: var(--muted);
  transition: color 0.2s;
}

.skill-item:hover { color: var(--text); }

.skill-dot {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.6;
  flex-shrink: 0;
}

/* ─────────────────────────────────────────
   FOOTER
───────────────────────────────────────── */
footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--border);
  padding: 2rem clamp(1.5rem, 5vw, 4rem);
}

.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-name {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1rem;
}

.footer-copy {
  font-size: 0.75rem;
  color: var(--muted);
}

.footer-gh {
  font-size: 0.75rem;
  color: var(--muted);
  transition: color 0.2s;
}

.footer-gh:hover { color: var(--accent); }

/* ─────────────────────────────────────────
   RESPONSIVE
───────────────────────────────────────── */
@media (max-width: 900px) {
  .projects-grid,
  .skills-container { grid-template-columns: 1fr 1fr; }
  .about-grid { grid-template-columns: 1fr; gap: 2.5rem; }
}

@media (max-width: 600px) {
  .nav-links li:not(:last-child) { display: none; }
  .projects-grid,
  .skills-container,
  .about-stats { grid-template-columns: 1fr; }
  .hero-name { letter-spacing: -0.05em; }
}