/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  padding: 0.85rem 2rem;
  border-radius: var(--radius-pill);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-out);
  position: relative;
  overflow: hidden;
  text-decoration: none;
}

.btn span {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Primary button — wipe animation */
.btn-primary {
  background: var(--color-accent);
  color: var(--color-text-dark);
  border-color: var(--color-accent);
  box-shadow: var(--glow-accent-sm);
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--color-accent-light);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--duration-normal) var(--ease-out);
  z-index: 0;
}

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

.btn-primary:hover {
  box-shadow: var(--glow-accent);
  transform: translateY(-2px);
}

/* Outline button — wipe animation */
.btn-outline {
  background: transparent;
  color: var(--color-text-primary);
  border-color: var(--color-border);
}

.btn-outline::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(200, 146, 43, 0.08);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--duration-normal) var(--ease-out);
  z-index: 0;
}

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

.btn-outline:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  box-shadow: var(--glow-accent-sm);
  transform: translateY(-2px);
}

/* Nav CTA button */
.btn-nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  color: var(--color-text-dark);
  border: none;
  cursor: pointer;
  transition: all var(--duration-fast) ease;
  min-height: 36px;
  overflow: hidden;
  position: relative;
}

.btn-nav-cta span {
  position: relative;
  z-index: 1;
}

.btn-nav-cta::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--color-accent-light);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--duration-normal) var(--ease-out);
  z-index: 0;
}

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

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

/* Submit button */
.btn-submit {
  background: var(--color-accent);
  color: var(--color-text-dark);
  border-color: var(--color-accent);
  width: 100%;
  box-shadow: var(--glow-accent-sm);
  position: relative;
  overflow: hidden;
}

.btn-submit::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--color-accent-light);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--duration-normal) var(--ease-out);
  z-index: 0;
}

.btn-submit:hover::before {
  transform: scaleX(1);
  transform-origin: left;
}

.btn-submit:hover {
  box-shadow: var(--glow-accent);
  transform: translateY(-2px);
}

/* ── Divider ── */
.divider-line {
  width: 60px;
  height: 3px;
  background: var(--color-accent);
  border-radius: 2px;
  margin: var(--space-sm) 0;
}

/* ── Tag / Pill ── */
.tag {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: rgba(200, 146, 43, 0.12);
  color: var(--color-accent);
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-pill);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* ── Form Success ── */
.form-success {
  display: none;
  text-align: center;
  padding: var(--space-md);
  color: var(--color-accent);
}

.form-success.is-visible {
  display: block;
}

/* ── Hamburger (mobile only — hidden on desktop) ── */
.hamburger {
  display: none;
  flex-direction: column;
  align-items: center;
  align-self: center;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 1001;
}

@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text-primary);
  border-radius: 2px;
  transition: all var(--duration-normal) var(--ease-out);
  transform-origin: center;
}

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

.hamburger.is-open span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

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

/* ── Mobile Overlay ── */
.mobile-overlay {
  position: fixed;
  top: 0;
  right: 0;
  width: 75%;
  max-width: 320px;
  height: 100vh;
  background: rgba(10, 34, 24, 0.98);
  backdrop-filter: blur(16px);
  z-index: 999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  transform: translateX(100%);
  transition: transform var(--duration-normal) var(--ease-out);
}

.mobile-overlay a {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-text-primary);
  transition: color var(--duration-fast) ease;
}

.mobile-overlay a:hover {
  color: var(--color-accent);
}

/* ── Built By Badge ── */
.built-by-badge {
  display: inline-flex;
  align-items: center;
}

.built-by-badge img {
  height: 28px;
  width: auto;
}
/* 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;
}