/* ─── Header ─── */
.header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-gray-100);
  height: var(--header-height);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

/* Logo */
.header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: 'Poppins', sans-serif;
  font-weight: 800;
  font-size: 1.35rem;
  color: var(--color-gray-900);
}

.header__logo img {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
}

.header__logo-text {
  background: var(--gradient-hero);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Desktop nav */
.header__nav {
  display: none;
  align-items: center;
  gap: var(--space-7);
}

.header__nav-link {
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--color-gray-600);
  transition: color var(--transition-fast);
  position: relative;
  padding: var(--space-2) 0;
}

.header__nav-link:hover {
  color: var(--color-primary);
}

.header__nav-link[aria-current="page"] {
  color: var(--color-primary);
}

.header__nav-link[aria-current="page"]::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--color-primary);
  border-radius: var(--radius-pill);
}

/* Desktop CTA */
.header__cta {
  display: none;
}

/* Hamburger */
.header__hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  cursor: pointer;
}

.header__hamburger span {
  display: block;
  width: 100%;
  height: 2.5px;
  background: var(--color-gray-700);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.header__hamburger[aria-expanded="true"] span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.header__hamburger[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.header__hamburger[aria-expanded="true"] span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile menu overlay */
.mobile-menu {
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-white);
  z-index: var(--z-overlay);
  display: flex;
  flex-direction: column;
  padding: var(--space-8) var(--space-5);
  gap: var(--space-2);
  transform: translateX(100%);
  transition: transform var(--transition-base);
}

.mobile-menu.open {
  transform: translateX(0);
}

.mobile-menu__link {
  font-family: 'Poppins', sans-serif;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-gray-700);
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--color-gray-100);
  transition: color var(--transition-fast);
}

.mobile-menu__link:hover {
  color: var(--color-primary);
}

.mobile-menu__link[aria-current="page"] {
  color: var(--color-primary);
}

.mobile-menu__cta {
  margin-top: var(--space-6);
}

/* Desktop breakpoint */
@media (min-width: 768px) {
  .header__nav {
    display: flex;
  }

  .header__cta {
    display: inline-flex;
  }

  .header__hamburger {
    display: none;
  }

  .mobile-menu {
    display: none !important;
  }
}

/* ─── Footer ─── */
.footer {
  background: var(--color-gray-900);
  color: var(--color-gray-300);
  padding: var(--space-10) 0 var(--space-6);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  margin-bottom: var(--space-9);
}

@media (min-width: 768px) {
  .footer__grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }
}

.footer__brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: 'Poppins', sans-serif;
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--color-white);
}

.footer__logo img {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
}

.footer__tagline {
  font-size: 0.9375rem;
  color: var(--color-gray-400);
  max-width: 280px;
}

.footer__heading {
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-white);
  margin-bottom: var(--space-4);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__link {
  font-size: 0.9375rem;
  color: var(--color-gray-400);
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: var(--color-primary-light);
}

.footer__bottom {
  border-top: 1px solid var(--color-gray-700);
  padding-top: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  align-items: center;
  text-align: center;
}

@media (min-width: 768px) {
  .footer__bottom {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

.footer__copyright {
  font-size: 0.875rem;
  color: var(--color-gray-500);
}

.footer__legal {
  display: flex;
  gap: var(--space-5);
}

.footer__legal a {
  font-size: 0.875rem;
  color: var(--color-gray-500);
  transition: color var(--transition-fast);
}

.footer__legal a:hover {
  color: var(--color-gray-300);
}