:root {
  --bg: #07080f;
  --bg-card: rgba(14, 18, 32, 0.72);
  --border: rgba(120, 140, 255, 0.14);
  --text: #e8ecff;
  --text-muted: #8b94b8;
  --accent: #5eead4;
  --accent-2: #a78bfa;
  --accent-warm: #f472b6;
  --font-display: "Unbounded", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", monospace;
  --radius: 14px;
  --radius-lg: 22px;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-mono);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  min-height: 100vh;
  overflow-x: hidden;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s, opacity 0.2s;
}

a:hover {
  color: #fff;
}

.bg-grid {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(94, 234, 212, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(94, 234, 212, 0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black, transparent);
  pointer-events: none;
  z-index: 0;
}

.bg-glow {
  position: fixed;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.35;
  pointer-events: none;
  z-index: 0;
}

.bg-glow--1 {
  width: 480px;
  height: 480px;
  background: #5eead4;
  top: -120px;
  right: -80px;
}

.bg-glow--2 {
  width: 400px;
  height: 400px;
  background: #a78bfa;
  bottom: 10%;
  left: -100px;
}

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  background: rgba(7, 8, 15, 0.75);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--text);
  letter-spacing: -0.02em;
}

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

.nav {
  display: flex;
  gap: 1.5rem;
}

.nav a {
  color: var(--text-muted);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

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

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

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
}

main {
  position: relative;
  z-index: 1;
  max-width: 1080px;
  margin: 0 auto;
  padding: 6rem 1.5rem 4rem;
}

/* Hero */
.hero {
  padding: 3rem 0 4rem;
  min-height: 70vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  color: var(--text-muted);
  border: 1px solid var(--border);
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  width: fit-content;
  margin-bottom: 1.5rem;
}

.pulse {
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s ease infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.2); }
}

.hero-greeting {
  display: block;
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
}

.hero-name {
  font-family: var(--font-display);
  font-size: clamp(2rem, 6vw, 3.5rem);
  font-weight: 800;
  line-height: 1.1;
  background: linear-gradient(135deg, #fff 0%, var(--accent) 50%, var(--accent-2) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-roles {
  font-size: 1.1rem;
  color: var(--accent);
  margin: 1rem 0;
  min-height: 1.6em;
}

.cursor {
  animation: blink 1s step-end infinite;
}

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

.hero-desc {
  max-width: 560px;
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.25rem;
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.2s, background 0.2s;
}

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

.btn--primary {
  background: linear-gradient(135deg, var(--accent), #2dd4bf);
  color: #042f2e;
  box-shadow: 0 8px 32px rgba(94, 234, 212, 0.25);
}

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

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

.btn--sm {
  padding: 0.45rem 0.9rem;
  font-size: 0.75rem;
}

.hero-stats {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

.stat-value {
  display: block;
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--text);
}

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

/* Sections */
.section {
  padding: 4rem 0;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  font-weight: 600;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
}

.section-num {
  font-size: 0.75rem;
  color: var(--accent);
  font-family: var(--font-mono);
}

.section-sub {
  color: var(--text-muted);
  font-size: 0.8rem;
  margin-bottom: 2rem;
}

.section-sub a {
  color: var(--accent-2);
}

.subsection-title {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin: 2rem 0 1rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  backdrop-filter: blur(12px);
}

.card--glass {
  box-shadow: var(--shadow);
}

.card--accent {
  border-color: rgba(167, 139, 250, 0.3);
  background: linear-gradient(145deg, rgba(167, 139, 250, 0.08), rgba(14, 18, 32, 0.9));
}

.about-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 1.25rem;
}

.about-text p + p {
  margin-top: 1rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.about-text strong {
  color: var(--accent);
}

.about-links h3 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.link-list {
  list-style: none;
}

.link-list li + li {
  margin-top: 0.65rem;
}

.link-list a {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--text);
  font-size: 0.85rem;
}

.link-icon {
  opacity: 0.7;
}

/* Tags */
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.tag {
  font-size: 0.75rem;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--text-muted);
}

.tag--iot {
  border-color: rgba(94, 234, 212, 0.35);
  color: var(--accent);
}

.tag--ops {
  border-color: rgba(167, 139, 250, 0.35);
  color: var(--accent-2);
}

.tag--web {
  border-color: rgba(244, 114, 182, 0.35);
  color: var(--accent-warm);
}

.focus-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.focus-icon {
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
}

.focus-card h3 {
  font-family: var(--font-display);
  font-size: 0.95rem;
  margin-bottom: 0.5rem;
}

.focus-card p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Projects */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.25rem;
}

.project-card {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: transform 0.2s, border-color 0.2s;
}

.project-card:hover {
  transform: translateY(-4px);
  border-color: rgba(94, 234, 212, 0.4);
}

.project-card--featured {
  grid-column: 1 / -1;
  background: linear-gradient(135deg, rgba(94, 234, 212, 0.06), rgba(14, 18, 32, 0.95));
  border-color: rgba(94, 234, 212, 0.25);
}

@media (min-width: 700px) {
  .project-card--featured {
    grid-column: span 2;
  }
}

.project-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.5rem;
}

.project-lang {
  font-size: 0.7rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.project-stars {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.project-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
}

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

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.project-tag {
  font-size: 0.65rem;
  padding: 0.2rem 0.5rem;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-muted);
}

.project-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: auto;
  padding-top: 0.5rem;
}

.project-footer a {
  font-size: 0.8rem;
  font-weight: 600;
}

.project-fork {
  font-size: 0.65rem;
  color: var(--accent-2);
  text-transform: uppercase;
}

/* Steam */
.steam-panel {
  margin-bottom: 1.5rem;
}

.steam-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.steam-avatar {
  border-radius: 12px;
  border: 2px solid var(--border);
}

.steam-nick {
  font-family: var(--font-display);
  font-size: 1.2rem;
}

.steam-meta {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.steam-status--online {
  color: #4ade80;
}

.steam-bio {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}

.steam-subtitle {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.steam-games {
  display: grid;
  gap: 0.75rem;
}

.steam-game {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem;
  border-radius: var(--radius);
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--border);
  transition: border-color 0.2s;
}

.steam-game:hover {
  border-color: rgba(94, 234, 212, 0.3);
}

.steam-game img {
  width: 48px;
  height: 22px;
  object-fit: cover;
  border-radius: 4px;
}

.steam-game-info {
  flex: 1;
  min-width: 0;
}

.steam-game-name {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text);
}

.steam-game-hours {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.steam-game-hours strong {
  color: var(--accent-warm);
}

.devices-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
}

.device {
  text-align: center;
  padding: 1.25rem;
}

.device-emoji {
  font-size: 2rem;
  display: block;
  margin-bottom: 0.5rem;
}

.device strong {
  display: block;
  font-size: 0.85rem;
  margin-bottom: 0.25rem;
}

.device span:last-child {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Setup */
.setup-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
}

.setup-spec h3 {
  font-family: var(--font-display);
  font-size: 0.9rem;
  margin-bottom: 1rem;
  color: var(--accent);
}

.setup-spec ul {
  list-style: none;
}

.setup-spec li {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  padding: 0.4rem 0;
  border-bottom: 1px solid var(--border);
}

.setup-spec li span:first-child {
  color: var(--text-muted);
}

.setup-spec--highlight {
  border-color: rgba(94, 234, 212, 0.3);
}

.setup-spec--highlight p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.contact-card {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 1.25rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--bg-card);
  transition: transform 0.2s, border-color 0.2s;
}

.contact-card:hover {
  transform: translateY(-3px);
  border-color: var(--accent);
}

.contact-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}

.contact-value {
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--text);
}

.footer-note {
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Mobile nav */
@media (max-width: 768px) {
  .nav {
    position: fixed;
    top: 57px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(7, 8, 15, 0.98);
    padding: 1rem 1.5rem 1.5rem;
    border-bottom: 1px solid var(--border);
    transform: translateY(-120%);
    opacity: 0;
    transition: transform 0.3s, opacity 0.3s;
    pointer-events: none;
  }

  .nav.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-toggle {
    display: flex;
  }

  .about-grid,
  .focus-cards {
    grid-template-columns: 1fr;
  }

  .project-card--featured {
    grid-column: 1;
  }
}