/* ── Base & Utilities ── */
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100dvh;
}

/* ── Scroll-reveal (progressive enhancement) ── */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s cubic-bezier(.22,.61,.36,1), transform 0.7s cubic-bezier(.22,.61,.36,1);
  }
  .reveal.visible {
    opacity: 1;
    transform: translateY(0);
  }
  .reveal-delay-1 { transition-delay: 0.1s; }
  .reveal-delay-2 { transition-delay: 0.2s; }
  .reveal-delay-3 { transition-delay: 0.3s; }
}

/* ── Navbar scroll state ── */
#site-header.scrolled {
  background: rgba(250, 240, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 12px rgba(107, 33, 168, 0.08);
}

/* ── Mobile menu transition ── */
#mobile-menu {
  animation: slideDown 0.25s ease forwards;
}
@keyframes slideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Subtle pattern overlay for hero decoration ── */
.hero-pattern {
  background-image: radial-gradient(circle at 20% 80%, rgba(217, 119, 6, 0.06) 0%, transparent 50%),
                    radial-gradient(circle at 80% 20%, rgba(126, 34, 206, 0.06) 0%, transparent 50%);
}

/* ── Focus styles ── */
a:focus-visible, button:focus-visible {
  outline: 2px solid #d97706;
  outline-offset: 2px;
  border-radius: 4px;
}

/* ── Selection ── */
::selection {
  background: rgba(126, 34, 206, 0.15);
  color: #3b0f5c;
}