/* ══ COMPONENTS ══ */

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-radius: var(--radius-sm);
  position: relative;
  overflow: hidden;
  transition: all var(--transition-base);
  z-index: 1;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  transform-origin: left;
  transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.btn span {
  position: relative;
  z-index: 2;
}

.btn-primary {
  background: var(--color-accent);
  color: #fff;
  box-shadow: var(--glow-accent-sm);
}

.btn-primary::before {
  background: var(--color-accent-light);
  transform: scaleX(0);
}

.btn-primary:hover {
  box-shadow: var(--glow-accent);
}

.btn-primary:hover::before {
  transform: scaleX(1);
}

.btn-outline {
  background: transparent;
  color: var(--color-text);
  border: 2px solid rgba(255, 255, 255, 0.25);
}

.btn-outline::before {
  background: rgba(255, 255, 255, 0.08);
  transform: scaleX(0);
}

.btn-outline:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.btn-outline:hover::before {
  transform: scaleX(1);
}

.btn-submit {
  width: 100%;
  padding: 1rem 2rem;
  font-size: var(--font-size-base);
}

.btn-lg {
  padding: 1rem 2.5rem;
  font-size: var(--font-size-base);
}

.btn-nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.25rem;
  background: var(--color-accent);
  color: #fff;
  border-radius: var(--radius-sm);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.btn-nav-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background: var(--color-accent-light);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.btn-nav-cta:hover {
  color: #fff;
  box-shadow: var(--glow-accent-sm);
}

.btn-nav-cta:hover::before {
  transform: scaleX(1);
}

.btn-nav-cta i {
  font-size: 1.1rem;
}

/* ── Hamburger ── */
.hamburger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  align-items: center;
  align-self: center;
  cursor: pointer;
}

@media (min-width: 769px) {
  .hamburger {
    display: none;
  }
}

.hamburger span {
  width: 26px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition-base);
  display: block;
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ── Built By Badge ── */
.built-by-badge {
  height: 28px;
  width: auto;
  opacity: 0.7;
  transition: opacity var(--transition-base);
}

.built-by-badge:hover {
  opacity: 1;
}

/* ── Cards ── */
.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

/* ── Tag/Pill ── */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.85rem;
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-radius: var(--radius-full);
  background: rgba(208, 32, 48, 0.12);
  color: var(--color-accent);
  border: 1px solid rgba(208, 32, 48, 0.25);
}

/* ── Form Success ── */
.form-success {
  margin-top: 1rem;
  padding: 0.75rem 1rem;
  background: rgba(34, 197, 94, 0.12);
  border: 1px solid rgba(34, 197, 94, 0.3);
  border-radius: var(--radius-md);
  color: #22c55e;
  font-weight: 500;
  text-align: center;
}
/* 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;
}