/* components.css — KOR4 Elite Fitness */

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-weight: var(--fw-medium);
  font-size: var(--size-label);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  padding: 0.85rem 2rem;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: color var(--transition-mid);
  white-space: nowrap;
  border-radius: 2px;
  text-decoration: none;
  line-height: 1;
}
.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  transform: translateX(-101%);
  transition: transform var(--transition-btn);
  z-index: 0;
}
.btn > * { position: relative; z-index: 1; }

/* Nav CTA */
.btn-nav-cta {
  border: 1px solid var(--color-accent);
  color: var(--color-accent);
  padding: 0.5rem 1.3rem;
  background: transparent;
}
.btn-nav-cta::before { background: var(--color-accent); }
.btn-nav-cta:hover { color: #ffffff; }
.btn-nav-cta:hover::before { transform: translateX(0); }

/* Primary filled */
.btn-primary {
  background: var(--color-accent);
  color: #fff;
  border: 1px solid var(--color-accent);
  box-shadow: var(--glow-accent);
}
.btn-primary::before { background: rgba(255,255,255,0.12); }
.btn-primary:hover::before { transform: translateX(0); }

/* Outline */
.btn-outline {
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: var(--color-text-primary);
  background: transparent;
}
.btn-outline::before { background: var(--color-accent); }
.btn-outline:hover { color: #ffffff; border-color: var(--color-accent); }
.btn-outline:hover::before { transform: translateX(0); }

/* Submit button */
.btn-submit {
  background: var(--color-accent);
  color: #fff;
  border: none;
  padding: 1rem 2.5rem;
  font-weight: var(--fw-bold);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: var(--size-label);
}
.btn-submit:hover { background: var(--color-accent-light); }

/* ── Pulse ring ── */
@keyframes ctaPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(191, 30, 46, 0.5); }
  50%       { box-shadow: 0 0 0 14px rgba(191, 30, 46, 0); }
}
.btn-pulse { animation: ctaPulse 2.2s ease-in-out infinite; }

/* ── Reusable tags/pills ── */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: var(--size-small);
  font-weight: var(--fw-medium);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  border: 1px solid var(--color-border-accent);
  padding: 0.25rem 0.75rem;
  border-radius: 2px;
}

/* ── Built-by badge ── */
.built-by-badge { display: block; flex-shrink: 0; }
.built-by-badge img {
  height: 28px; width: auto; display: block;
  filter: brightness(0) invert(1); opacity: 0.40;
  transition: filter 0.3s ease, opacity 0.3s ease;
}
.built-by-badge:hover img,
.built-by-badge:active img { filter: none; opacity: 1; }

/* autofix: nav dark background on scroll */
#nav {
  transition: background 0.4s ease, box-shadow 0.4s ease, backdrop-filter 0.4s ease;
}
#nav.scrolled {
  background: rgba(10, 10, 18, 0.92);
  box-shadow: 0 2px 24px rgba(0,0,0,0.45);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

/* autofix: hamburger aligned with logo on mobile */
.nav-hamburger {
  align-items: center;
  align-self: center;
  flex-direction: column;
}