/* ============================================================
   AETERNUM LABS — COMPONENTS
   ============================================================ */

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 36px;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: var(--semibold);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: 1px solid transparent;
  transition: var(--base);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gold);
  transform: translateX(-101%);
  transition: transform 400ms cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 0;
}
.btn:hover::before { transform: translateX(0); }
.btn > * { position: relative; z-index: 1; }
.btn span { position: relative; z-index: 1; }

.btn--primary {
  background: var(--navy);
  color: var(--cream);
  border-color: var(--navy);
}
.btn--primary:hover { color: var(--navy); border-color: var(--gold); }

.btn--outline {
  background: transparent;
  color: var(--navy);
  border-color: var(--navy);
}
.btn--outline:hover { color: var(--navy); border-color: var(--gold); }

.btn--outline-light {
  background: transparent;
  color: var(--cream);
  border-color: rgba(255,255,255,0.4);
}
.btn--outline-light:hover { color: var(--navy); border-color: var(--gold); }

.btn--gold {
  background: var(--gold);
  color: var(--navy);
  border-color: var(--gold);
  font-weight: var(--semibold);
}
.btn--gold::before { background: var(--white); }
.btn--gold:hover { color: var(--navy); border-color: var(--white); }

/* ---- Gold divider ---- */
.gold-line {
  display: block;
  width: 48px;
  height: 1px;
  background: var(--gold);
  margin: 24px 0;
}
.gold-line--center { margin-inline: auto; }

/* ---- Purity badge ---- */
.purity-badge {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  border: 1px solid var(--gold);
  border-radius: 50%;
  background: rgba(201,169,110,0.08);
}
.purity-badge__number {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: var(--thin);
  color: var(--gold);
  line-height: 1;
}
.purity-badge__label {
  font-size: 9px;
  font-weight: var(--semibold);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
}

/* ---- Trust pill ---- */
.trust-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border: 1px solid rgba(201,169,110,0.3);
  border-radius: 100px;
  font-size: 12px;
  font-weight: var(--medium);
  letter-spacing: 0.06em;
  color: var(--blue-gray);
}
.trust-pill__dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--gold);
  flex-shrink: 0;
}

/* ---- Product card ---- */
.product-card {
  background: var(--cream);
  border: 1px solid rgba(13,31,56,0.08);
  padding: 32px;
  transition: background var(--base), transform var(--base), border-color var(--base);
  position: relative;
  overflow: hidden;
}
.product-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 400ms cubic-bezier(0.4,0,0.2,1);
}
.product-card:hover {
  background: var(--cream-warm);
  transform: translateY(-4px);
  border-color: rgba(201,169,110,0.3);
}
.product-card:hover::after { transform: scaleX(1); }

.product-card__image {
  aspect-ratio: 1 / 1;
  overflow: hidden;
  margin-bottom: 24px;
  background: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
}
.product-card__image img {
  width: 90%;
  height: 90%;
  object-fit: contain;
  object-position: center;
  display: block;
  transition: transform 0.4s ease;
}
.product-card:hover .product-card__image img {
  transform: scale(1.04);
}
.product-card__name {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: var(--thin);
  color: var(--navy);
  margin-bottom: 8px;
}
.product-card__meta {
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue-gray);
  margin-bottom: 16px;
}
.product-card__price {
  font-family: var(--font-body);
  font-size: 18px;
  font-weight: var(--medium);
  color: var(--navy);
  margin-bottom: 20px;
}

@media (max-width: 600px) {
  .product-card { padding: 20px; }
  .product-card__image { margin-bottom: 16px; }
  .product-card__name { font-size: 20px; }
  .product-card .btn { width: 100%; justify-content: center; text-align: center; }
}

/* ---- Section header ---- */
.section-header { text-align: center; margin-bottom: 64px; }
.section-header h2 { margin-bottom: 16px; }
.section-header p { max-width: 560px; margin-inline: auto; }

/* ---- Custom Cursor ---- */
.cursor-ring {
  position: fixed;
  top: 0; left: 0;
  width: 40px; height: 40px;
  border: 1.5px solid var(--gold);
  border-radius: 50%;
  pointer-events: none;
  z-index: var(--z-cursor);
  transition: width 250ms ease, height 250ms ease, opacity 250ms ease;
  will-change: transform;
  opacity: 0.8;
}
.cursor-ring.expanded { width: 60px; height: 60px; opacity: 0.4; }
.cursor-ring.pressed  { width: 30px; height: 30px; opacity: 1; }
@media (pointer: coarse) { .cursor-ring { display: none; } }

/* ---- Scroll Reveal ---- */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 700ms ease, transform 700ms ease;
}
[data-reveal].revealed {
  opacity: 1;
  transform: translateY(0);
}
[data-reveal][data-delay="1"] { transition-delay: 100ms; }
[data-reveal][data-delay="2"] { transition-delay: 200ms; }
[data-reveal][data-delay="3"] { transition-delay: 300ms; }
[data-reveal][data-delay="4"] { transition-delay: 400ms; }
[data-reveal][data-delay="5"] { transition-delay: 500ms; }

/* ---- Parallax ---- */
.parallax-banner { --parallax-offset: 0px; }
.parallax-banner__bg {
  transform: translateY(var(--parallax-offset));
  transition: transform 0ms linear;
  will-change: transform;
}