/* ═══════════════════════════════════════════════════
   PARALLAX — Shared Base Styles
   Loaded on every page via base.html
   ═══════════════════════════════════════════════════ */

:root {
  --void: #050505;
  --concrete: #B0B0B0;
  --cyan: #00F0FF;
  --paper: #F5F5F7;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: 'Lexend Deca', sans-serif;
  font-weight: 400;
  color: var(--void);
  background: var(--paper);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ─── BUTTONS ─── */
.btn {
  display: inline-block; padding: 1rem 2rem; font-family: inherit;
  font-size: 0.9rem; font-weight: 700; text-decoration: none;
  border-radius: 2px; transition: all 0.25s ease; cursor: pointer;
}
.btn-light { background: var(--paper); color: var(--void); border: 2px solid var(--paper); }
.btn-light:hover { background: transparent; color: var(--paper); }
.btn-ghost {
  background: transparent; color: var(--concrete);
  border: 2px solid rgba(176,176,176,0.3); margin-left: 1rem;
}
.btn-ghost:hover { border-color: var(--paper); color: var(--paper); }
.btn-primary-light {
  display: inline-block; padding: 1rem 2rem; background: var(--paper); color: var(--void);
  font-family: 'Lexend Deca', sans-serif; font-size: 0.9rem; font-weight: 700;
  text-decoration: none; border: 2px solid var(--paper); border-radius: 2px; transition: all 0.25s;
}
.btn-primary-light:hover { background: transparent; color: var(--paper); }
.btn-dark {
  display: inline-block; padding: 1rem 2rem; background: var(--void); color: var(--paper);
  font-family: 'Lexend Deca', sans-serif; font-size: 0.9rem; font-weight: 700;
  text-decoration: none; border: 2px solid var(--void); border-radius: 2px; transition: all 0.25s;
}
.btn-dark:hover { background: transparent; color: var(--void); }
.btn-submit {
  display: inline-block; padding: 1rem 2.5rem; background: var(--void);
  color: var(--paper); font-family: 'Lexend Deca', sans-serif;
  font-size: 0.9rem; font-weight: 700; border: 2px solid var(--void);
  border-radius: 2px; cursor: pointer; transition: all 0.25s; align-self: flex-start;
}
.btn-submit:hover { background: transparent; color: var(--void); }

/* ─── FOOTER ─── */
footer {
  background: var(--void); border-top: 1px solid rgba(176,176,176,0.1);
  padding: 2.5rem 2rem; display: flex; align-items: center; justify-content: space-between;
}
footer img, footer .footer-logo { height: 24px; opacity: 0.6; }
footer .tagline { font-size: 0.8rem; color: rgba(176,176,176,0.6); font-weight: 300; }
footer p { font-size: 0.75rem; color: var(--concrete); }

/* ─── ANIMATIONS ─── */
.fade-up { opacity: 0; transform: translateY(30px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-up.visible { opacity: 1; transform: translateY(0); }
.s1 { transition-delay: 0.1s; }
.s2 { transition-delay: 0.2s; }
.s3 { transition-delay: 0.3s; }
.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.35s; }

/* ─── RESPONSIVE BASE ─── */
@media (max-width: 768px) {
  .btn-ghost { margin-left: 0; margin-top: 0.75rem; }
  footer { flex-direction: column; gap: 1rem; text-align: center; }