@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;500;600;700;800&family=Space+Mono:ital,wght@0,400;0,700;1,400&display=swap');

:root {
  --bg:        #0A0612;
  --bg-card:   rgba(255,255,255,0.04);
  --border:    rgba(255,255,255,0.08);
  --purple:    #5E17EB;
  --purple-dim: rgba(94,23,235,0.15);
  --purple-glow: rgba(94,23,235,0.35);
  --text:      #F0EBF8;
  --text-muted: #7A6F8A;
  --font-display: 'Syne', sans-serif;
  --font-mono:    'Space Mono', monospace;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-display);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}

main { flex: 1; }

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

img { max-width: 100%; display: block; }

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

/* ── Banner / Nav ── */
#banner {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: rgba(10,6,18,0.75);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
}

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

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

.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color 0.2s;
  letter-spacing: 0.02em;
}

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

.nav-links a.active {
  position: relative;
}

.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0; right: 0;
  height: 2px;
  background: var(--purple);
  border-radius: 1px;
}

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 1px;
  transition: all 0.3s;
}

/* Mobile nav */
@media (max-width: 640px) {
  .nav-toggle { display: flex; }

  .nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0; right: 0;
    flex-direction: column;
    gap: 0;
    background: rgba(10,6,18,0.97);
    border-bottom: 1px solid var(--border);
    padding: 0.5rem 0;
  }

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

  .nav-links li a {
    display: block;
    padding: 0.85rem 2rem;
  }
}

/* ── Footer ── */
#footer {
  border-top: 1px solid var(--border);
  padding: 2rem;
  text-align: center;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}

.footer-links a {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  transition: color 0.2s;
}

.footer-links a:hover { color: var(--purple); }

.footer-copy {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  opacity: 0.6;
}

/* ── Page wrapper ── */
.page {
  max-width: 1100px;
  margin: 0 auto;
  padding: 5rem 2rem;
}

/* ── Section label ── */
.section-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--purple);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

/* ── Headings ── */
h1 { font-size: clamp(2.5rem, 6vw, 4.5rem); font-weight: 800; line-height: 1.05; letter-spacing: -0.03em; }
h2 { font-size: clamp(1.75rem, 4vw, 2.75rem); font-weight: 700; letter-spacing: -0.02em; }
h3 { font-size: 1.125rem; font-weight: 600; }

/* ── Purple highlight ── */
.hl { color: var(--purple); }

/* ── Glass card ── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.75rem;
  transition: border-color 0.25s, box-shadow 0.25s;
}

.card:hover {
  border-color: var(--purple-glow);
  box-shadow: 0 0 32px var(--purple-dim);
}

/* ── Button ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.4rem;
  border-radius: 8px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: all 0.2s;
  border: none;
}

.btn-primary {
  background: var(--purple);
  color: #fff;
}

.btn-primary:hover {
  background: #7030ff;
  box-shadow: 0 0 24px var(--purple-glow);
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-ghost:hover {
  border-color: var(--purple);
  color: var(--purple);
}

/* ── Grid helpers ── */
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.25rem; }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1.25rem; }

/* ── Divider ── */
.divider { width: 40px; height: 3px; background: var(--purple); border-radius: 2px; margin: 1.25rem 0 2rem; }

/* ── Tag ── */
.tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--purple);
  background: var(--purple-dim);
  border: 1px solid rgba(94,23,235,0.25);
  border-radius: 4px;
  padding: 0.2rem 0.55rem;
  letter-spacing: 0.06em;
}

/* ── Fade-in animation ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

.fade-up { animation: fadeUp 0.6s ease both; }
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }

/* ── Home hero specific ── */
.hero {
  min-height: calc(100vh - 64px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 4rem 2rem;
  max-width: 1100px;
  margin: 0 auto;
}

.hero-sub {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 1.25rem;
  max-width: 520px;
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  margin-top: 2.5rem;
  flex-wrap: wrap;
}

.cursor-blink {
  display: inline-block;
  width: 3px;
  height: 0.85em;
  background: var(--purple);
  margin-left: 2px;
  vertical-align: middle;
  animation: blink 1s step-end infinite;
}

@keyframes blink { 50% { opacity: 0; } }

/* ── About ── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 4rem;
  align-items: start;
}

.about-avatar {
  width: 100%;
  aspect-ratio: 1;
  border-radius: 20px;
  background: var(--purple-dim);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 5rem;
  overflow: hidden;
}

.about-body p {
  color: var(--text-muted);
  line-height: 1.85;
  margin-bottom: 1rem;
  font-size: 0.95rem;
}

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

.skills-wrap { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 2rem; }

@media (max-width: 700px) {
  .about-grid { grid-template-columns: 1fr; gap: 2rem; }
  .about-avatar { max-width: 160px; }
}

/* ── Projects ── */
.project-card {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.project-card h3 { font-size: 1rem; }

.project-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.7;
  flex: 1;
}

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

.project-link {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--purple);
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  margin-top: auto;
  transition: gap 0.2s;
}

.project-link:hover { gap: 0.5rem; }

/* ── Contact ── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.contact-info h2 { margin-bottom: 0.75rem; }

.contact-info p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.8;
  margin-bottom: 2rem;
}

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

.contact-social-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  transition: color 0.2s;
}

.contact-social-item:hover { color: var(--purple); }

.contact-social-item svg { flex-shrink: 0; }

.contact-form { display: flex; flex-direction: column; gap: 1rem; }

.form-group { display: flex; flex-direction: column; gap: 0.4rem; }

.form-group label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.form-group input,
.form-group textarea {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  color: var(--text);
  font-family: var(--font-display);
  font-size: 0.875rem;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--purple);
  box-shadow: 0 0 0 3px var(--purple-dim);
}

.form-group textarea { min-height: 120px; }

.form-status {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.5rem 0;
  min-height: 1.5rem;
}

.form-status.success { color: #5ef0a0; }
.form-status.error   { color: #f05e5e; }

@media (max-width: 700px) {
  .contact-grid { grid-template-columns: 1fr; gap: 2rem; }
}