/* ================================================
   TORTUGA TEES — PSYCHEDELIC COSMIC TURTLE THEME
   ================================================ */

/* ── FONTS ── */
@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;600;700;800&family=Outfit:wght@300;400;500;600;700&display=swap');

/* ── ROOT VARIABLES ── */
:root {
  /* Deep space base */
  --void:        #05050f;
  --space-dark:  #0b0b1e;
  --space-mid:   #13132e;

  /* Neon accents */
  --neon-teal:    #00f5d4;
  --neon-cyan:    #00e5ff;
  --neon-magenta: #ff00a8;
  --neon-pink:    #ff4ecb;
  --neon-purple:  #bf5af2;
  --neon-gold:    #ffd60a;
  --neon-green:   #39ff14;

  /* Glow variants */
  --glow-teal:    rgba(0,245,212,0.4);
  --glow-magenta: rgba(255,0,168,0.35);
  --glow-purple:  rgba(191,90,242,0.35);
  --glow-gold:    rgba(255,214,10,0.35);
  --glow-green:   rgba(57,255,20,0.25);

  /* Text */
  --text-bright: #f0eeff;
  --text-mid:    rgba(240,238,255,0.65);
  --text-dim:    rgba(240,238,255,0.35);

  /* Fonts */
  --font-display: 'Syne', sans-serif;
  --font-body:    'Outfit', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--void);
  color: var(--text-bright);
  overflow-x: hidden;
  min-height: 100vh;
  /* Subtle starfield via radial dots */
  background-image:
    radial-gradient(1px 1px at 20% 30%, rgba(255,255,255,0.15) 0%, transparent 100%),
    radial-gradient(1px 1px at 80% 20%, rgba(255,255,255,0.1) 0%, transparent 100%),
    radial-gradient(1.5px 1.5px at 40% 70%, rgba(255,255,255,0.08) 0%, transparent 100%),
    radial-gradient(1px 1px at 60% 50%, rgba(255,255,255,0.06) 0%, transparent 100%),
    radial-gradient(1px 1px at 90% 80%, rgba(255,255,255,0.1) 0%, transparent 100%),
    radial-gradient(1px 1px at 10% 90%, rgba(255,255,255,0.07) 0%, transparent 100%),
    radial-gradient(2px 2px at 50% 10%, rgba(0,245,212,0.06) 0%, transparent 100%),
    radial-gradient(2px 2px at 70% 60%, rgba(255,0,168,0.05) 0%, transparent 100%);
  background-attachment: fixed;
}

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--void); }
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--neon-teal), var(--neon-purple));
  border-radius: 4px;
}

/* ── NAV ── */
nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 48px;
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(5,5,15,0.75);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(0,245,212,0.12);
  box-shadow: 0 0 30px rgba(0,245,212,0.06);
}

.logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.5rem;
  letter-spacing: -0.5px;
  text-decoration: none;
  color: var(--text-bright);
  transition: all 0.3s;
}
.logo:hover {
  text-shadow: 0 0 20px var(--glow-teal), 0 0 40px var(--glow-teal);
}
.logo .logo-accent {
  background: linear-gradient(135deg, var(--neon-teal), var(--neon-magenta));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-links a {
  color: var(--text-mid);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.5px;
  transition: all 0.3s;
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--neon-teal), var(--neon-magenta));
  transition: width 0.3s;
  box-shadow: 0 0 8px var(--glow-teal);
}
.nav-links a:hover { color: var(--text-bright); }
.nav-links a:hover::after { width: 100%; }
.nav-links a.active { color: var(--neon-teal); }
.nav-links a.active::after { width: 100%; }

.cart-link { position: relative; }
.cart-count {
  background: linear-gradient(135deg, var(--neon-magenta), var(--neon-purple));
  color: #fff;
  font-size: 0.65rem;
  font-weight: 700;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: absolute;
  top: -8px;
  right: -12px;
  box-shadow: 0 0 10px var(--glow-magenta);
}
.cart-count.hidden { display: none; }

/* ── NEON BUTTON ── */
.btn-primary {
  display: inline-block;
  padding: 16px 40px;
  border-radius: 100px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  cursor: pointer;
  border: none;
  background: linear-gradient(135deg, var(--neon-teal), var(--neon-cyan));
  color: var(--void);
  transition: all 0.3s;
  box-shadow: 0 0 20px var(--glow-teal);
  position: relative;
  overflow: hidden;
}
.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.2), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 35px var(--glow-teal), 0 0 60px rgba(0,245,212,0.2);
}
.btn-primary:hover::before { opacity: 1; }
.btn-primary:active { transform: translateY(-1px); }

.btn-secondary {
  display: inline-block;
  padding: 14px 36px;
  border-radius: 100px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: none;
  cursor: pointer;
  background: transparent;
  color: var(--text-bright);
  border: 1px solid rgba(240,238,255,0.2);
  transition: all 0.3s;
}
.btn-secondary:hover {
  border-color: var(--neon-teal);
  color: var(--neon-teal);
  box-shadow: 0 0 15px var(--glow-teal);
  transform: translateY(-2px);
}

/* ── BADGE ── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  border-radius: 100px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  color: var(--text-mid);
  backdrop-filter: blur(8px);
}
.badge-teal {
  border-color: rgba(0,245,212,0.3);
  color: var(--neon-teal);
  box-shadow: 0 0 10px rgba(0,245,212,0.1);
}
.badge-magenta {
  border-color: rgba(255,0,168,0.3);
  color: var(--neon-pink);
  box-shadow: 0 0 10px rgba(255,0,168,0.1);
}
.badge-gold {
  border-color: rgba(255,214,10,0.3);
  color: var(--neon-gold);
  box-shadow: 0 0 10px rgba(255,214,10,0.1);
}

/* ── DIVIDER ── */
.divider { padding: 0 48px; }
.divider-line {
  height: 1px;
  background: linear-gradient(90deg,
    transparent 0%,
    rgba(0,245,212,0.2) 20%,
    rgba(255,0,168,0.15) 50%,
    rgba(191,90,242,0.2) 80%,
    transparent 100%);
}

/* ── FOOTER ── */
footer {
  padding: 40px 48px;
  border-top: 1px solid rgba(0,245,212,0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: linear-gradient(180deg, transparent, rgba(5,5,15,0.5));
}
.footer-brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  background: linear-gradient(135deg, var(--neon-teal), var(--neon-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.footer-tag {
  font-size: 0.78rem;
  color: var(--text-dim);
  letter-spacing: 0.5px;
}

/* ── LOADING SPINNER ── */
.loading {
  text-align: center;
  padding: 80px 48px;
  color: var(--text-dim);
  font-size: 1.1rem;
}
.loading-spinner {
  width: 44px;
  height: 44px;
  border: 3px solid rgba(0,245,212,0.1);
  border-top-color: var(--neon-teal);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto 16px;
  box-shadow: 0 0 20px var(--glow-teal);
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── TOAST ── */
.toast {
  position: fixed;
  bottom: 32px;
  right: 32px;
  background: linear-gradient(135deg, var(--space-mid), var(--space-dark));
  color: var(--text-bright);
  padding: 16px 28px;
  border-radius: 16px;
  font-weight: 600;
  font-size: 0.9rem;
  border: 1px solid rgba(0,245,212,0.2);
  box-shadow: 0 8px 32px rgba(0,245,212,0.15), 0 0 60px rgba(0,245,212,0.05);
  transform: translateY(120px);
  opacity: 0;
  transition: all 0.3s ease;
  z-index: 200;
  display: flex;
  align-items: center;
  gap: 12px;
}
.toast.show { transform: translateY(0); opacity: 1; }
.toast-link {
  color: var(--neon-teal);
  text-decoration: none;
  font-weight: 700;
  transition: all 0.2s;
}
.toast-link:hover { color: var(--neon-cyan); text-shadow: 0 0 10px var(--glow-teal); }

/* ── NEON TEXT UTILITY ── */
.neon-text-teal {
  color: var(--neon-teal);
  text-shadow: 0 0 15px var(--glow-teal), 0 0 30px rgba(0,245,212,0.2);
}
.neon-text-magenta {
  color: var(--neon-magenta);
  text-shadow: 0 0 15px var(--glow-magenta), 0 0 30px rgba(255,0,168,0.2);
}
.neon-text-gold {
  color: var(--neon-gold);
  text-shadow: 0 0 15px var(--glow-gold), 0 0 30px rgba(255,214,10,0.2);
}

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  nav { padding: 16px 24px; }
  .nav-links { gap: 20px; }
  .nav-links a { font-size: 0.82rem; }
  .divider { padding: 0 24px; }
  footer { padding: 32px 24px; flex-direction: column; gap: 12px; text-align: center; }
  .toast { bottom: 20px; right: 20px; left: 20px; }
}