/* ========================================================================== 
   Theme + Base
   ========================================================================== */

:root {
  --bg: #0e1111;
  --panel: #141818;
  --muted: #9aa3a3;
  --text: #e9efee;
  --accent: #00ff88;
  --accent-dark: #00cc6d;
  --glow: rgba(0, 255, 136, 0.18);
  --card-border: #1e2222;
  --radius: 10px;
  --transition-speed: 0.1s;
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family: "Roboto", system-ui, -apple-system, "Segoe UI", Roboto,
    "Helvetica Neue", Arial;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.45;
}

/* ========================================================================== 
   Page Transitions
   ========================================================================== */

.fade-ready {
  opacity: 0;
  transition: opacity 260ms ease-in-out;
}

.fade-ready.visible {
  opacity: 1;
}

/* ========================================================================== 
   Navigation
   ========================================================================== */

.site-header {
  border-bottom: 1px solid #0f1514;
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1rem 2rem;
  font-family: "JetBrains Mono", monospace;
}

.brand {
  font-weight: 600;
  letter-spacing: 0.6px;
  text-decoration: none;
  color: var(--text);
}

.brand.accent {
  color: var(--accent);
  text-shadow: 0 0 8px var(--glow);
}

.nav-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem;
  margin: 0;
  padding: 0;
}

.nav-item a {
  color: var(--text);
  text-decoration: none;
  font-family: "JetBrains Mono", monospace;
  font-weight: 500;
  transition: color var(--transition-speed);
}

.nav-item {
  position: relative;
}

.nav-item::after {
  left: 0;
  bottom: 0;
  content: "";
  position: absolute;
  width: 0;
  height: 2px;
  background-color: var(--accent);
  transition: width var(--transition-speed);
}

.nav-item:hover::after,
.nav-item.active::after {
  width: 100%;
}

.nav-item:hover a,
.nav-item.active a {
  color: var(--accent);
  text-shadow: 0 0 6px var(--glow);
}

/* ========================================================================== 
   Layout & Containers
   ========================================================================== */

.page {
  max-width: 980px;
  margin: 1.6rem auto 4rem;
  padding: 0 1.1rem;
}

.section-intro {
  font-size: 18px;
  line-height: 1.5;
  opacity: 0.85;
  margin-bottom: 32px;
}

/* ========================================================================== 
   Buttons
   ========================================================================== */

.btn {
  display: inline-block;
  padding: 0.6rem 0.9rem;
  border-radius: 8px;
  text-decoration: none;
  color: var(--text);
  background: var(--panel);
  border: 1px solid var(--card-border);
  transition: all var(--transition-speed);
}

.btn-primary {
  background: linear-gradient(180deg, var(--accent-dark), var(--accent));
  color: #021;
  font-weight: 700;
}

.btn-ghost {
  background: transparent;
  border: 1px solid #1f2525;
}

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

/* ========================================================================== 
   Tech Badges (shared)
   ========================================================================== */

.tech-badges {
  margin-top: 25px;
  margin-bottom: 25px;
  gap: 0.45rem;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}

.tech-badge {
  background: #0e2920;
  color: var(--accent);
  padding: 6px 12px;
  border-radius: 6px;
  font-family: "JetBrains Mono", monospace;
  font-size: 16px;
  font-weight: 500;
  border: 1px solid var(--accent-color);
  transition: all var(--transition-speed);
}

.tech-badge:hover {
  box-shadow: 0 0 12px rgba(120, 255, 120, 0.2);
}

/* ========================================================================== 
   Badges (shared)
   ========================================================================== */

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

.badge {
  background: #0e2920;
  color: var(--accent);
  padding: 0.28rem 0.45rem;
  border-radius: 6px;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.82rem;
  border: 1px solid #07321b;
}

/* ========================================================================== 
   Social Links
   ========================================================================== */

.connect {
  text-align: center;
  margin-top: 2rem;
}

.social {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  justify-content: center;
  margin-top: 0.6rem;
}

.social-btn {
  display: inline-flex;
  gap: 0.6rem;
  align-items: center;
  background: var(--panel);
  padding: 0.55rem 0.85rem;
  border-radius: 9px;
  text-decoration: none;
  color: var(--text);
  border: 1px solid var(--card-border);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.95rem;
  transition: color var(--transition-speed),
    background-color var(--transition-speed);
}

.social-btn img {
  width: 18px;
  opacity: 0.9;
  color: green;
}

.social-btn-icon {
  width: 18px;
  opacity: 0.9;
  color: var(--accent);
  transition: color var(--transition-speed);
  filter: invert(76%) sepia(55%) saturate(1683%) hue-rotate(92deg)
    brightness(97%) contrast(109%);
}

.social-btn:hover > .social-btn-icon {
  color: black;
  filter: invert(0%) sepia(0%) saturate(0%) hue-rotate(326deg) brightness(96%)
    contrast(104%);
}

.social-btn:hover {
  background: var(--accent-dark);
  color: #0b130f;
}

/* ========================================================================== 
   Footer
   ========================================================================== */

.site-footer {
  padding: 1.6rem;
  text-align: center;
  opacity: 0.7;
}

/* ========================================================================== 
   Utility Classes
   ========================================================================== */

.small {
  font-size: 0.92rem;
  opacity: 0.86;
}

.link-accent {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
}

.link {
  color: var(--muted);
  text-decoration: none;
}

/* ========================================================================== 
   Responsive Design (base)
   ========================================================================== */

@media (max-width: 880px) {
  .skills-grid {
    grid-template-columns: 1fr;
  }

  .hero-title {
    font-size: 1.9rem;
  }
}

@media (max-width: 640px) {
  .nav {
    padding: 0.6rem 1rem;
  }

  .nav-list {
    gap: 0.6rem;
    font-size: 0.95rem;
  }

  .stats-row {
    flex-direction: column;
    align-items: center;
  }
}

@media (max-width: 520px) {
  .nav {
    flex-direction: column;
  }
}