/* ── Reset & Base ────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { overflow-x: hidden; }
img { display: block; max-width: 100%; }

/* ── Navbar ──────────────────────────────────────── */
#nav {
  background: transparent;
  transition: background 0.5s ease, box-shadow 0.5s ease, backdrop-filter 0.5s ease;
}
#nav.scrolled {
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 rgba(255,255,255,0.05);
}
.nav-link { position: relative; }
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: #ff6b3d;
  transition: width 0.3s ease;
}
.nav-link:hover::after { width: 100%; }
.nav-link:hover { color: #ff6b3d !important; }

/* ── Mobile Menu ─────────────────────────────────── */
#mobileMenu {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}
#mobileMenu.open { max-height: 400px; }
.mobile-link { display: block; padding: 4px 0; }

/* ── Hero Scroll Indicator ───────────────────────── */
.hero-scroll { cursor: pointer; }

/* ── Reveal Animations (progressive enhancement) ─── */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
  }
  .reveal[data-revealed="false"] {
    opacity: 0;
    transform: translateY(32px);
  }
}
/* Fallback: always visible if JS is disabled or prefers-reduced-motion */
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1 !important; transform: none !important; }
}

/* ── Form Focus Styles ───────────────────────────── */
input:focus, textarea:focus {
  outline: none;
}

/* ── Selection Color ─────────────────────────────── */
::selection { background: rgba(255, 107, 61, 0.3); color: #fff; }

/* ── Scrollbar ───────────────────────────────────── */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #171717; }
::-webkit-scrollbar-thumb { background: #404040; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #ff6b3d; }