/* ============================================================
   GLOBAL — variables, reset, nav, footer, shared utilities
============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@400;600;700;800&family=Fira+Code:wght@400;500&display=swap');

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

/* ── Design tokens ── */
:root {
  --deep-twilight:  #090040;
  --indigo:         #471396;
  --lime-green:     #00d527;
  --amber:          #ffcc00;
  --white:          #ffffff;
  --light-gray:     #e2e8f0;
  --dim:            #8892a4;

  --glass-bg:       rgba(9, 0, 64, 0.60);
  --glass-border:   rgba(255, 255, 255, 0.08);

  --font-primary:   'Nunito', sans-serif;
  --font-mono:      'Fira Code', monospace;

  --space-xs:  4px;
  --space-s:   8px;
  --space-m:  16px;
  --space-l:  24px;
  --space-xl: 32px;
  --space-xxl:64px;

  --r-sm: 6px;
  --r-md: 8px;

  --shadow-1: 0 4px 6px -1px rgba(0,0,0,.40), 0 2px 4px -1px rgba(0,0,0,.30);
  --shadow-2: 0 10px 15px -3px rgba(0,0,0,.60), 0 4px 6px -2px rgba(0,0,0,.40);
}

/* ── Base ── */
html { scroll-behavior: smooth; }

body {
  background-color: var(--deep-twilight);
  color: var(--light-gray);
  font-family: var(--font-primary);
  font-size: 16px;
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ── Navigation ── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 200;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-xl);
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--glass-border);
  transition: background 0.3s;
}

.nav-logo {
  font-family: var(--font-primary);
  font-weight: 800;
  font-size: 1.05rem;
  color: var(--white);
  text-decoration: none;
  letter-spacing: -0.3px;
}
.nav-logo span { color: var(--lime-green); }

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  list-style: none;
}

.nav-links a {
  font-family: var(--font-primary);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--light-gray);
  text-decoration: none;
  letter-spacing: 0.3px;
  transition: color 0.2s;
}
.nav-links a:hover,
.nav-links a.active { color: var(--lime-green); }

.nav-links .nav-ext {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 6px var(--space-m);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-sm);
  background: rgba(255,255,255,.04);
  transition: all 0.2s;
}
.nav-links .nav-ext:hover {
  background: rgba(0,213,39,.10);
  border-color: var(--lime-green);
  color: var(--lime-green);
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-s);
  padding: 12px var(--space-xl);
  border-radius: var(--r-sm);
  font-family: var(--font-primary);
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  text-decoration: none;
  border: none;
  outline: none;
  transition: all 0.2s;
}

.btn-primary {
  background-color: var(--lime-green);
  color: var(--deep-twilight);
}
.btn-primary:hover {
  background-color: #00b320;
  transform: translateY(-2px);
  box-shadow: var(--shadow-1);
}
.btn-primary:active {
  background-color: #00911a;
  transform: scale(0.98);
}
.btn-primary:focus {
  outline: 2px solid var(--white);
  outline-offset: 2px;
}
.btn-primary:disabled {
  background-color: var(--lime-green);
  opacity: 0.4;
  cursor: not-allowed;
}

.btn-secondary {
  background-color: var(--indigo);
  color: var(--white);
  border: 1px solid rgba(255,255,255,.10);
}
.btn-secondary:hover {
  background-color: #360e73;
  transform: translateY(-2px);
}
.btn-secondary:active { background-color: #270a54; transform: scale(0.98); }

.btn-outline {
  background: transparent;
  color: var(--lime-green);
  border: 1px solid var(--lime-green);
}
.btn-outline:hover { background: rgba(0,213,39,.10); }

/* ── Glass panel ── */
.panel-glass {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-md);
}

/* ── Section typography ── */
.section-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--lime-green);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: var(--space-m);
}

.section-title {
  font-family: var(--font-primary);
  font-weight: 800;
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  color: var(--white);
  letter-spacing: -0.5px;
}

.section-divider {
  width: 48px;
  height: 3px;
  background: var(--lime-green);
  border-radius: 2px;
  margin: var(--space-m) 0 var(--space-xl);
}

/* ── Tags / pills ── */
.tag {
  display: inline-block;
  padding: var(--space-xs) var(--space-m);
  background: rgba(71,19,150,.25);
  border: 1px solid rgba(71,19,150,.55);
  border-radius: var(--r-sm);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--light-gray);
  transition: all 0.2s;
}
.tag:hover {
  background: rgba(71,19,150,.45);
  border-color: var(--indigo);
  color: var(--white);
}

/* ── Status badges ── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.72rem;
  font-weight: 700;
  font-family: var(--font-primary);
  letter-spacing: 0.3px;
}
.badge-active {
  background: rgba(0,213,39,.10);
  border: 1px solid var(--lime-green);
  color: var(--lime-green);
}
.badge-dev {
  background: rgba(255,204,0,.10);
  border: 1px solid var(--amber);
  color: var(--amber);
}
.badge-past {
  background: rgba(136,146,164,.10);
  border: 1px solid var(--dim);
  color: var(--dim);
}

/* ── Footer ── */
.footer {
  background: rgba(9,0,64,.85);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--glass-border);
  padding: var(--space-xl) var(--space-xxl);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-m);
}

.footer-location {
  display: flex;
  align-items: center;
  gap: var(--space-s);
  color: var(--dim);
  font-size: 0.875rem;
  font-family: var(--font-mono);
}

.footer-location svg { width: 14px; height: 14px; flex-shrink: 0; }

.footer-links {
  display: flex;
  align-items: center;
  gap: var(--space-l);
}
.footer-links a {
  display: flex;
  align-items: center;
  gap: var(--space-s);
  color: var(--dim);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 600;
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--lime-green); }
.footer-links a svg { width: 16px; height: 16px; }

/* ── Layout utilities ── */
.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.section { padding: var(--space-xxl) 0; }

/* ── Scroll-triggered fade ── */
.fade-in-up {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.fade-in-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Custom scrollbar ── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--deep-twilight); }
::-webkit-scrollbar-thumb { background: var(--indigo); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #5a19b0; }

/* ── Responsive ── */
@media (max-width: 768px) {
  .nav { padding: 0 var(--space-m); }
  .nav-links { gap: var(--space-l); }
  .footer { padding: var(--space-xl) var(--space-m); flex-direction: column; align-items: flex-start; }
  .container { padding: 0 var(--space-m); }
  .btn { padding: 10px var(--space-l); font-size: 0.9rem; }
}

@media (max-width: 480px) {
  .nav-links { gap: var(--space-m); }
  .nav-links .nav-ext { display: none; }
}