:root {
  --bg: #090a0d;
  --bg-soft: #101218;
  --panel: #12151d;
  --text: #e5e8ef;
  --muted: #9ea7b8;
  --accent: #8ab4ff;
  --accent-light: #a7c6ff;
  --accent-secondary: #ff6b9d;
  --accent-tertiary: #4ecdc4;
  --border: #202535;
  --max-width: 940px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  background: radial-gradient(circle at top, #111628 0%, #0a0d12 48%, var(--bg) 100%);
  color: var(--text);
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  transition: background 0.5s ease-in-out;
}

.wrap {
  width: min(var(--max-width), calc(100% - 2rem));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(12px);
  background: rgba(9, 10, 13, 0.92);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
  transition: var(--transition);
}

.site-header:hover {
  border-bottom-color: var(--accent);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 68px;
}

.brand {
  color: var(--text);
  font-weight: 700;
  text-decoration: none;
  letter-spacing: 0.01em;
  font-size: 1.1rem;
  transition: var(--transition);
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-tertiary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.brand:hover {
  transform: scale(1.05);
  letter-spacing: 0.05em;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
}

.site-nav a {
  color: var(--muted);
  text-decoration: none;
  padding: 0.45rem 0.7rem;
  border-radius: 0.4rem;
  font-size: 0.95rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.site-nav a::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(138, 180, 255, 0.2), transparent);
  transition: left 0.5s ease;
}

.site-nav a:hover::before {
  left: 100%;
}

.site-nav a.active,
.site-nav a:hover {
  color: var(--text);
  background: linear-gradient(135deg, rgba(138, 180, 255, 0.2) 0%, rgba(78, 205, 196, 0.1) 100%);
  border: 1px solid var(--accent);
}

.site-main {
  padding: 2.25rem 0 3rem;
  animation: fadeIn 0.6s ease-in-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

h1,
h2,
h3 {
  line-height: 1.2;
  margin-top: 0;
  transition: var(--transition);
}

h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 0.8rem;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

h2 {
  font-size: clamp(1.35rem, 2vw, 1.8rem);
  margin-bottom: 0.8rem;
  color: var(--text);
  position: relative;
  padding-bottom: 0.5rem;
}

h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-tertiary));
  border-radius: 2px;
  transition: width 0.3s ease;
}

h2:hover::after {
  width: 100%;
}

h3 {
  font-size: 1.12rem;
  margin-bottom: 0.6rem;
}

p,
li {
  color: var(--text);
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: var(--transition);
  position: relative;
}

a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-secondary));
  transition: width 0.3s ease;
}

a:hover {
  color: var(--accent-light);
}

a:hover::after {
  width: 100%;
}

.lead {
  color: #d6dbe8;
  font-size: 1.06rem;
  max-width: 72ch;
  animation: slideInDown 0.7s ease-in-out;
}

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

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

.page-header,
.post-header {
  margin-bottom: 1.5rem;
}

.subtitle {
  margin-top: -0.2rem;
  color: var(--muted);
}

.hero {
  padding: 0.4rem 0 0.6rem;
  animation: fadeIn 0.6s ease-in-out;
}

.quick-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin: 1rem 0 0.5rem;
}

.button-link {
  display: inline-block;
  text-decoration: none;
  color: var(--text);
  border: 2px solid var(--border);
  background: linear-gradient(135deg, #121724 0%, #1a1f2e 100%);
  padding: 0.6rem 1rem;
  border-radius: 0.45rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  font-weight: 500;
}

.button-link::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-secondary) 100%);
  transform: translate(-50%, -50%);
  transition: width 0.6s ease, height 0.6s ease;
  z-index: -1;
}

.button-link:hover {
  border-color: var(--accent);
  color: var(--text);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(138, 180, 255, 0.2);
}

.button-link:hover::before {
  width: 300px;
  height: 300px;
}

.panel {
  margin-top: 1.2rem;
  padding: 1.2rem;
  border: 1px solid var(--border);
  border-radius: 0.65rem;
  background: linear-gradient(135deg, #111521 0%, #0f131d 100%);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.panel::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(138, 180, 255, 0.05) 0%, transparent 70%);
  pointer-events: none;
}

.panel:hover {
  border-color: var(--accent);
  box-shadow: 0 0 30px rgba(138, 180, 255, 0.1);
  transform: translateY(-4px);
}

.tight-list {
  margin: 0.4rem 0 0;
  padding-left: 1.15rem;
}

.tight-list li {
  transition: var(--transition);
  padding: 0.2rem 0;
}

.tight-list li:hover {
  color: var(--accent-light);
  transform: translateX(4px);
}

.project-grid,
.cards {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 1rem;
}

.project-card,
.card {
  grid-column: span 12;
  border: 1px solid var(--border);
  border-radius: 0.7rem;
  padding: 1.2rem;
  background: linear-gradient(135deg, var(--panel) 0%, rgba(30, 25, 45, 0.5) 100%);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.project-card::before,
.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(78, 205, 196, 0.15), transparent);
  transition: left 0.8s ease;
  pointer-events: none;
}

.project-card:hover::before,
.card:hover::before {
  left: 100%;
}

.project-card:hover,
.card:hover {
  border-color: var(--accent);
  background: linear-gradient(135deg, rgba(138, 180, 255, 0.1) 0%, rgba(78, 205, 196, 0.05) 100%);
  transform: translateY(-8px);
  box-shadow: 0 15px 40px rgba(138, 180, 255, 0.2);
}

.project-card h3,
.card h3 {
  color: var(--accent-light);
  transition: var(--transition);
}

.project-card:hover h3,
.card:hover h3 {
  color: var(--accent-secondary);
}

.project-card p,
.card p {
  margin: 0.45rem 0;
  transition: var(--transition);
}

.project-card a,
.card a {
  font-weight: 500;
}

.project-card .stack {
  color: var(--muted);
  font-size: 0.94rem;
  margin-top: 0.8rem !important;
  padding-top: 0.8rem;
  border-top: 1px solid var(--border);
}

.entry-list {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0;
}

.entry-list li {
  padding: 0.9rem;
  border-bottom: 1px solid var(--border);
  border-radius: 0.5rem;
  transition: var(--transition);
  margin-bottom: 0.5rem;
}

.entry-list li:hover {
  background: rgba(138, 180, 255, 0.05);
  border-color: var(--accent);
  transform: translateX(4px);
}

.entry-list li:last-child {
  border-bottom: 0;
}

.post-content,
.page-content {
  font-family: "Source Serif 4", Georgia, serif;
  font-size: 1.1rem;
  animation: fadeIn 0.6s ease-in-out;
}

.post-content h2,
.page-content h2,
.post-content h3,
.page-content h3 {
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
}

.post-content code,
.page-content code {
  background: linear-gradient(135deg, #151a27 0%, #1a1f2e 100%);
  padding: 0.1rem 0.35rem;
  border-radius: 0.2rem;
  font-size: 0.9em;
  color: var(--accent-light);
  transition: var(--transition);
}

.post-content code:hover,
.page-content code:hover {
  background: rgba(138, 180, 255, 0.15);
}

.post-content pre {
  background: linear-gradient(135deg, #121724 0%, #0f131d 100%);
  border: 1px solid var(--border);
  padding: 0.9rem;
  border-radius: 0.5rem;
  overflow-x: auto;
  transition: var(--transition);
}

.post-content pre:hover {
  border-color: var(--accent);
  box-shadow: 0 0 20px rgba(138, 180, 255, 0.1);
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.2rem 0 2rem;
  margin-top: 2.2rem;
  background: linear-gradient(180deg, transparent 0%, rgba(138, 180, 255, 0.02) 100%);
  transition: var(--transition);
}

.site-footer:hover {
  border-top-color: var(--accent);
}

.footer-wrap {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.8rem;
}

/* Smooth transitions for all interactive elements */
button,
input,
textarea,
select {
  transition: var(--transition);
}

/* Smooth scrolling */
html {
  scroll-behavior: smooth;
}

@media (min-width: 760px) {
  .project-card,
  .card {
    grid-column: span 6;
  }
}

@media (max-width: 760px) {
  .nav-wrap {
    min-height: 78px;
    align-items: flex-start;
    padding-top: 0.7rem;
    padding-bottom: 0.7rem;
    flex-direction: column;
  }

  .site-nav {
    width: 100%;
  }

  .site-nav a {
    padding: 0.42rem 0.55rem;
  }

  .site-main {
    padding-top: 1.3rem;
  }

  h1 {
    animation: slideInDown 0.7s ease-in-out;
  }
}