/* RejuveHub website UI-kit styles — extends colors_and_type.css */

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--ink-950);
  color: var(--fg-1);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
button, a { font-family: inherit; }

/* Page background — dark with gold radial glow */
.page {
  position: relative;
  min-height: 100vh;
  background:
    radial-gradient(1100px 600px at 85% -10%, rgba(212,169,74,0.10), transparent 55%),
    radial-gradient(900px 500px at -10% 30%, rgba(20,184,212,0.05), transparent 60%),
    var(--ink-950);
}
.page::before {
  /* subtle film grain */
  content: "";
  position: fixed; inset: 0;
  pointer-events: none;
  opacity: 0.04;
  z-index: 1;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='140' height='140'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='140' height='140' filter='url(%23n)' opacity='0.6'/></svg>");
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
@media (min-width: 900px) { .container { padding: 0 48px; } }

/* Section rhythm */
section { padding: 72px 0; position: relative; z-index: 2; }
@media (min-width: 900px) { section { padding: 96px 0; } }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font: 700 12px var(--font-sans);
  letter-spacing: 0.14em; text-transform: uppercase;
  padding: 14px 22px;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: transform .22s ease, box-shadow .32s ease, filter .2s ease, background .2s ease;
  border: 0; text-decoration: none; white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); filter: brightness(1.06); }
.btn:active { transform: translateY(0) scale(0.98); }
.btn-whatsapp { background: var(--whatsapp); color: #0A0E14; box-shadow: 0 12px 30px -10px rgba(37,211,102,0.55); }
.btn-whatsapp:hover { box-shadow: 0 18px 46px -10px rgba(37,211,102,0.8); }
.btn-gold { background: var(--gold-gradient); color: #0A0E14; box-shadow: var(--shadow-gold); }
.btn-ghost { background: transparent; color: var(--gold-300); border: 1px solid var(--border-gold-2); }
.btn-ghost:hover { background: rgba(212, 169, 74, 0.08); }

/* Shared: ornament */
.ornament { display:inline-flex; align-items:center; gap:10px; color:var(--gold-400); font-size:11px; letter-spacing:0.22em; text-transform:uppercase; font-weight:600;}
.ornament::before, .ornament::after { content:''; width:28px; height:1px; background:var(--gold-400);}

/* Anim utility */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity .8s cubic-bezier(.22,1,.36,1), transform .8s cubic-bezier(.22,1,.36,1); }
.reveal.in { opacity: 1; transform: none; }

/* Keyframes */
@keyframes dripFall {
  0% { top: 0; opacity: 0; transform: translateX(-50%) scaleY(0.6); }
  10% { opacity: 1; transform: translateX(-50%) scaleY(1); }
  90% { opacity: 1; }
  100% { top: calc(100% - 14px); opacity: 0; transform: translateX(-50%) scaleY(0.8); }
}
@keyframes goldPulse {
  0%,100% { box-shadow: 0 0 0 0 rgba(212,169,74,0.4); }
  50% { box-shadow: 0 0 0 14px rgba(212,169,74,0); }
}
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

/* IV 3D scene */
.iv-scene { position:absolute; inset:0; display:flex; align-items:stretch; justify-content:center;
  transform-style: preserve-3d; }
@keyframes bagSway { 0%,100% { transform: rotate(-1.2deg) translateY(0); } 50% { transform: rotate(1.2deg) translateY(2px); } }
@keyframes chamberSway { 0%,100% { transform: rotate(-.6deg); } 50% { transform: rotate(.6deg); } }
@keyframes pulseDot { 0%,100% { opacity:.45; transform:scale(.85);} 50% { opacity:1; transform:scale(1.1);} }
.iv-particles { position:absolute; inset:0; pointer-events:none; overflow:hidden; }
.iv-particles span { position:absolute; left:var(--x); bottom:-10px; width:3px; height:3px; border-radius:50%;
  background: radial-gradient(circle, #FBE7A1, rgba(212,169,74,0));
  filter: blur(.4px);
  animation: floatUp var(--dur) linear var(--d) infinite; opacity:.7; }
@keyframes floatUp {
  0% { transform: translateY(0) translateX(0); opacity:0; }
  20% { opacity:.8; }
  100% { transform: translateY(-110%) translateX(20px); opacity:0; }
}