/* ===========================================================
   Reusable components: buttons, page-hero strip, rune divider, embers canvas.
   =========================================================== */

/* ---------- Page-wide blue ember canvas ---------- */
.page-embers {
  position: fixed;
  top: 0; left: 0;
  width: 100vw;
  height: 100vh;
  display: block;
  z-index: 1;
  pointer-events: none;
  mix-blend-mode: screen;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  border-radius: 4px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 250ms var(--ease);
  text-decoration: none;
}
.btn[disabled] { opacity: 0.5; cursor: not-allowed; }
.btn--block { width: 100%; justify-content: center; }

.btn--primary {
  background: linear-gradient(135deg, var(--accent-deep), var(--accent));
  color: #fff;
  box-shadow:
    var(--shadow-glow),
    0 0 24px rgba(255, 140, 60, 0.18),
    inset 0 1px 0 rgba(255, 255, 255, 0.18);
  position: relative;
  overflow: hidden;
}
.btn--primary::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg, transparent 30%, rgba(255, 255, 255, 0.18) 50%, transparent 70%);
  transform: translateX(-100%);
  transition: transform 800ms var(--ease);
}
.btn--primary:hover::before { transform: translateX(100%); }
.btn--primary:hover {
  background: linear-gradient(135deg, var(--accent), var(--accent-hot));
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow-hot), 0 0 40px rgba(255, 140, 60, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.25);
  color: #fff;
}

.btn--ghost {
  background: transparent;
  color: var(--accent-hot);
  border-color: rgba(96, 165, 250, 0.4);
}
.btn--ghost:hover {
  background: rgba(59, 130, 246, 0.12);
  border-color: var(--accent-hot);
  box-shadow: var(--shadow-glow);
}

/* ---------- Page hero (text-only intro strip for non-home pages) ---------- */
.page-hero {
  position: relative;
  padding: calc(var(--nav-height) + 5rem) 1.5rem 3rem;
  text-align: center;
  z-index: 2;
  overflow: hidden;
}
.page-hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse at 50% 20%, rgba(59, 130, 246, 0.18), transparent 55%),
    radial-gradient(ellipse at 70% 80%, rgba(255, 100, 40, 0.04), transparent 50%);
  z-index: 0;
}
.page-hero__inner {
  position: relative;
  z-index: 1;
  max-width: 820px;
  margin: 0 auto;
}
.page-hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.75rem, 6.5vw, 5rem);
  line-height: 1.05;
  letter-spacing: 0.02em;
  margin: 0 0 1.25rem;
  background: linear-gradient(180deg, #f5f6f8 0%, #c5c9d0 55%, #6c7280 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  filter: drop-shadow(0 0 22px rgba(59, 130, 246, 0.4));
}
.page-hero__intro {
  color: var(--text-dim);
  font-size: 1.125rem;
  max-width: 640px;
  margin: 0 auto;
}

/* ---------- Rune divider (between sections) ---------- */
.rune-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}
.rune-divider__line {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(96, 165, 250, 0.45), transparent);
}
.rune-divider__runes {
  display: inline-flex;
  align-items: center;
  gap: 1.25em;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 700;
  color: var(--accent-hot);
  text-shadow: 0 0 6px rgba(59, 130, 246, 0.35);
  animation: runeFlow 5s ease-in-out infinite;
}
@keyframes runeFlow {
  0%, 100% { text-shadow: 0 0 6px rgba(59, 130, 246, 0.30); }
  50%      { text-shadow: 0 0 8px rgba(59, 130, 246, 0.45); }
}

/* ---------- Card noise overlay (used by surface cards) ---------- */
.surface-card,
.testimonial,
.service-card,
.product,
.contact__details,
.contact__switcher,
.form-section,
.shop__cta,
.services__cta-banner {
  position: relative;
}
.surface-card::before,
.testimonial::before,
.service-card::before,
.contact__details::before,
.contact__switcher::before,
.form-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence baseFrequency='0.9' numOctaves='2'/><feColorMatrix values='0 0 0 0 1  0 0 0 0 1  0 0 0 0 1  0 0 0 0.05 0'/></filter><rect width='200' height='200' filter='url(%23n)'/></svg>");
  opacity: 0.5;
  mix-blend-mode: overlay;
  pointer-events: none;
}