:root {
  --bg: #02060f;
  --bg-alt: #050b1c;
  --surface: rgba(8, 15, 35, 0.8);
  --surface-strong: rgba(12, 18, 40, 0.95);
  --card: rgba(8, 15, 32, 0.9);
  --text: #f5f7ff;
  --muted: #9ea7c7;
  --border: rgba(255, 255, 255, 0.08);
  --brand: #7c6bff;
  --brand-accent: #4fd6ff;
  --brand-soft: rgba(124, 107, 255, 0.18);
  --danger: #ff6b81;
  --radius-lg: 32px;
  --radius-md: 20px;
  --radius-sm: 12px;
  --shadow-deep: 0 35px 70px rgba(0, 3, 8, 0.65);
  --shadow-soft: 0 25px 50px rgba(0, 0, 0, 0.45);
  font-family: 'Inter', 'Space Grotesk', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

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

html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.7;
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  background-image: radial-gradient(circle at 20% 20%, rgba(124, 107, 255, 0.4), transparent 60%),
    radial-gradient(circle at 85% 15%, rgba(79, 214, 255, 0.35), transparent 50%),
    linear-gradient(135deg, #030814, #050b1c 60%, #030814);
  background-attachment: fixed;
  animation: backgroundPulse 18s ease-in-out infinite alternate;
}

@keyframes backgroundPulse {
  0% {
    filter: hue-rotate(0deg) saturate(0.95);
  }
  50% {
    filter: hue-rotate(30deg) saturate(1.05);
  }
  100% {
    filter: hue-rotate(0deg);
  }
}

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

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

.page-shell {
  width: min(1200px, 92vw);
  margin: 0 auto;
  padding-bottom: 5rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  width: 100%;
  padding: 0.6rem clamp(1rem, 4vw, 3rem);
  backdrop-filter: blur(35px);
  background: linear-gradient(180deg, rgba(2, 5, 15, 0.95), rgba(2, 5, 15, 0.75));
  box-shadow: 0 35px 60px rgba(0, 0, 0, 0.45);
}

.navigation {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1rem clamp(1.5rem, 4vw, 2.6rem);
  border-radius: calc(var(--radius-lg) * 1.1);
  border: 1px solid rgba(255, 255, 255, 0.05);
  background: linear-gradient(150deg, rgba(4, 8, 20, 0.94), rgba(6, 11, 27, 0.85));
  box-shadow: 0 35px 60px rgba(0, 0, 0, 0.45);
  position: relative;
  overflow: hidden;
}

.navigation::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top left, rgba(124, 107, 255, 0.25), transparent 45%),
    radial-gradient(circle at bottom right, rgba(79, 214, 255, 0.2), transparent 50%);
  opacity: 0.35;
  pointer-events: none;
}

.navigation > * {
  position: relative;
  z-index: 1;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 600;
  letter-spacing: -0.03em;
}

#brand-mark {
  width: 54px;
  height: 54px;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--brand), var(--brand-accent));
  display: grid;
  place-items: center;
  color: #050913;
  font-weight: 700;
  font-size: 1rem;
  box-shadow: inset 0 0 25px rgba(255, 255, 255, 0.5), 0 20px 35px rgba(124, 107, 255, 0.35);
}

.nav-links {
  display: flex;
  gap: 1.5rem;
  font-weight: 500;
}

.nav-links a {
  color: var(--muted);
  transition: color 0.15s ease, transform 0.2s ease;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--text);
  transform: translateY(-2px);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: transparent;
  border: none;
  cursor: pointer;
}

.nav-toggle span {
  width: 26px;
  height: 2px;
  background: var(--text);
}

.hero {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 3rem;
  padding: 6rem 0 4rem;
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  background: radial-gradient(circle at 25% 20%, rgba(124, 107, 255, 0.25), transparent 60%);
  filter: blur(120px);
  z-index: -1;
}

.hero-copy {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.32em;
  color: var(--muted);
  font-size: 0.72rem;
}

h1 {
  font-size: clamp(2.7rem, 5vw, 4.2rem);
  line-height: 1.15;
  margin: 0;
  letter-spacing: -0.04em;
}

.lead {
  font-size: 1.2rem;
  color: var(--muted);
  max-width: 540px;
}

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

.btn {
  border-radius: 999px;
  padding: 0.9rem 1.75rem;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border 0.25s ease;
  cursor: pointer;
  background: none;
  color: var(--text);
}

.btn.primary {
  background: linear-gradient(120deg, var(--brand), var(--brand-accent));
  color: #0a0e19;
  box-shadow: 0 15px 35px rgba(124, 107, 255, 0.4);
}

.btn.ghost {
  border-color: var(--border);
  background: rgba(255, 255, 255, 0.03);
}

.btn.danger {
  border-color: rgba(255, 107, 129, 0.35);
  color: var(--danger);
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-3px) scale(1.01);
  box-shadow: 0 18px 40px rgba(124, 107, 255, 0.35);
}

.btn.small {
  padding: 0.55rem 1.2rem;
  font-size: 0.85rem;
}

.social {
  display: flex;
  gap: 0.8rem;
  padding: 0;
  margin: 0;
  list-style: none;
}

.social a {
  color: var(--muted);
  font-weight: 600;
}

.hero-visual {
  position: relative;
  min-height: 360px;
}

.avatar-glow {
  width: 260px;
  height: 260px;
  border-radius: 40px;
  background: linear-gradient(135deg, rgba(124, 107, 255, 0.55), rgba(79, 214, 255, 0.55));
  filter: blur(90px);
  position: absolute;
  top: 40px;
  right: 40px;
  opacity: 0.55;
}

.hero-photo {
  position: relative;
  width: min(320px, 80vw);
  aspect-ratio: 3 / 4;
  object-fit: cover;
  border-radius: 32px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: var(--shadow-deep);
  backdrop-filter: blur(4px);
  display: block;
  margin-left: auto;
  margin-right: auto;
  transform: translateY(20px);
}

.hero-card {
  position: relative;
  background: var(--surface-strong);
  padding: 2.4rem;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.07);
  width: min(400px, 96%);
  margin: 2rem auto 0;
  box-shadow: var(--shadow-deep);
  backdrop-filter: blur(22px);
  transform: perspective(1200px) rotateX(10deg);
  transition: transform 0.45s ease;
}

.hero-card::after {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(124, 107, 255, 0.3), rgba(79, 214, 255, 0.3));
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: -1;
}

.hero-card:hover {
  transform: perspective(1200px) rotateX(0deg) translateY(-4px);
}

.hero-card:hover::after {
  opacity: 1;
}

.hero-card ul {
  padding-left: 1rem;
  margin: 0.8rem 0 0;
  color: var(--muted);
}

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 1.4rem;
  margin-bottom: 3.3rem;
}

.stat-card {
  background: var(--surface);
  border-radius: var(--radius-md);
  padding: 1.9rem;
  border: 1px solid rgba(255, 255, 255, 0.05);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(18px);
  position: relative;
  overflow: hidden;
  transform: translate3d(0, 0, 0);
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}

.stat-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 30px 55px rgba(0, 0, 0, 0.45);
}

.stat-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(124, 107, 255, 0.15), rgba(79, 214, 255, 0.15));
  opacity: 0;
  transition: opacity 0.3s ease;
}

.stat-card:hover::after {
  opacity: 1;
}

.stat-card strong {
  font-size: 2.3rem;
  display: block;
}

.panel {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 3rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: 2.6rem;
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(26px);
  position: relative;
  overflow: hidden;
}

.panel::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(124, 107, 255, 0.1), rgba(79, 214, 255, 0.1));
  opacity: 0;
  transition: opacity 0.3s ease;
}

.panel:hover::before {
  opacity: 1;
}

.panel > * {
  position: relative;
  z-index: 1;
}

.panel-header {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.7rem;
}

.panel-sub {
  color: var(--muted);
  margin: 0;
}

.panel.about {
  display: grid;
  gap: 1.2rem;
}

.skill-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.skill-chips span {
  border-radius: 999px;
  padding: 0.45rem 1.2rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
  color: var(--muted);
  transition: transform 0.2s ease, color 0.2s ease;
}

.skill-chips span:hover {
  transform: translateY(-3px);
  color: var(--text);
}

.timeline {
  display: grid;
  gap: 1.2rem;
}

.timeline-item {
  padding: 1.9rem;
  border-radius: var(--radius-md);
  background: var(--card);
  border: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: var(--shadow-soft);
}

.project-controls,
.blog-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.4rem;
}

input[type='search'],
.composer-form input,
.composer-form textarea {
  flex: 1;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  transition: border 0.2s ease, box-shadow 0.2s ease;
}

input[type='search']:focus-visible,
.composer-form input:focus-visible,
.composer-form textarea:focus-visible {
  border-color: var(--brand);
  outline: none;
  box-shadow: 0 0 0 4px rgba(124, 107, 255, 0.15);
}

.filter-group,
.tag-group {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.filter-chip {
  padding: 0.45rem 1.2rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.02);
  cursor: pointer;
  font-size: 0.85rem;
  color: var(--muted);
  transition: transform 0.2s ease;
}

.filter-chip:hover {
  transform: translateY(-3px);
}

.filter-chip.active {
  background: var(--brand-soft);
  border-color: var(--brand);
  color: var(--brand);
}

.projects-grid,
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 1.9rem;
  perspective: 1400px;
}

.project-card,
.blog-card {
  padding: 1.9rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.07);
  background: var(--card);
  display: flex;
  flex-direction: column;
  gap: 0.95rem;
  box-shadow: var(--shadow-soft);
  overflow: hidden;
  transform-style: preserve-3d;
  transition: transform 0.45s cubic-bezier(0.175, 0.885, 0.32, 1.275),
    box-shadow 0.3s ease;
}

.project-card::before,
.blog-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(124, 107, 255, 0.15), rgba(79, 214, 255, 0.15));
  opacity: 0;
  transition: opacity 0.3s ease;
}

.project-card:hover,
.blog-card:hover {
  transform: translateY(-14px) scale(1.018);
  box-shadow: 0 35px 60px rgba(0, 0, 0, 0.5);
}

.project-card:hover::before,
.blog-card:hover::before {
  opacity: 1;
}

.project-card > *,
.blog-card > * {
  position: relative;
  z-index: 1;
}

.stack-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.stack-chips span {
  font-size: 0.8rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  padding: 0.25rem 0.65rem;
  color: var(--muted);
}

.card-footer {
  margin-top: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--muted);
  font-size: 0.85rem;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1.2rem;
}

.contact-card {
  padding: 1.3rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: var(--card);
  box-shadow: var(--shadow-soft);
}

.site-footer {
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
  padding: 2.6rem 0 4rem;
}

.admin-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  margin: 1.6rem 0;
  padding: 1.4rem 1.6rem;
  border-radius: var(--radius-md);
  border: 1px dashed rgba(255, 255, 255, 0.15);
  background: rgba(124, 107, 255, 0.08);
  box-shadow: var(--shadow-soft);
}

.admin-actions {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.admin-controls {
  border-top: 1px dashed rgba(255, 255, 255, 0.1);
  margin-top: 0.9rem;
  padding-top: 0.9rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

#adminActions,
#adminBanner {
  transition: opacity 0.2s ease, transform 0.3s ease;
}

body:not(.admin-ui-visible) #adminActions,
body:not(.admin-ui-visible) #adminBanner {
  display: none !important;
}

.admin-composer {
  display: none;
  margin-bottom: 1.6rem;
  padding: 1.8rem;
  border-radius: var(--radius-md);
  border: 1px dashed rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.02);
  box-shadow: var(--shadow-soft);
}

.admin-composer.active {
  display: block;
}

.composer-head {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-start;
}

.composer-form {
  display: grid;
  gap: 1rem;
  margin-top: 1rem;
}

.composer-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.draft-pill {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  border: 1px solid var(--brand);
  color: var(--brand);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
}

.admin-flag {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--brand-accent);
}

.post-panel {
  position: fixed;
  inset: 0;
  background: rgba(2, 5, 14, 0.85);
  backdrop-filter: blur(30px);
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding: 4rem 1rem;
  z-index: 50;
}

.post-panel.open {
  display: flex;
}

.post-panel article {
  width: min(780px, 95vw);
  background: var(--surface-strong);
  border-radius: var(--radius-lg);
  padding: 2.9rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow-deep);
  max-height: 90vh;
  overflow: auto;
}

.post-panel-close {
  position: absolute;
  top: 2.4rem;
  right: 2.4rem;
  font-size: 2rem;
  background: transparent;
  border: none;
  color: var(--muted);
  cursor: pointer;
}

.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 48px;
  height: 48px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(5, 10, 25, 0.75);
  color: var(--text);
  font-size: 1.2rem;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.45);
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease, transform 0.3s ease;
  z-index: 60;
}

.back-to-top.visible {
  opacity: 1;
  pointer-events: auto;
}

.back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 25px 45px rgba(0, 0, 0, 0.55);
}

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

code {
  font-family: 'JetBrains Mono', 'SFMono-Regular', Consolas, monospace;
  font-size: 0.9em;
  background: rgba(255, 255, 255, 0.05);
  padding: 0.2rem 0.45rem;
  border-radius: 6px;
}

pre {
  background: rgba(255, 255, 255, 0.05);
  padding: 1.2rem;
  border-radius: 14px;
  overflow: auto;
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: absolute;
    top: 70px;
    right: 0;
    background: var(--surface-strong);
    border: 1px solid var(--border);
    padding: 1rem;
    border-radius: var(--radius-md);
    flex-direction: column;
    display: none;
    box-shadow: var(--shadow-soft);
  }

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

  .nav-actions {
    display: none;
  }

  .admin-banner {
    flex-direction: column;
    align-items: flex-start;
  }

  .composer-head,
  .composer-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero {
    padding-top: 4rem;
  }

  .panel {
    padding: 2.3rem;
  }
}