/* ==========================================================================
   COMPONENTS — Phase 1: buttons, navbar, footer
   (cards, forms, gallery, lightbox added in later phases)
   ========================================================================== */

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-heading);
  font-weight: var(--fw-semibold);
  font-size: var(--fs-base);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-sm);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
  white-space: nowrap;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-white);
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  box-shadow: var(--shadow-md);
}

.btn-accent {
  background-color: var(--color-accent);
  color: var(--color-ink);
  box-shadow: var(--shadow-sm);
}

.btn-accent:hover {
  background-color: var(--color-accent-dark);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn-outline:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--fs-sm);
}

/* ==========================================================================
   NAVBAR
   ========================================================================== */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--navbar-height);
  background-color: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  z-index: var(--z-navbar);
  transition: box-shadow var(--transition-base), border-color var(--transition-base), background-color var(--transition-base);
}

.navbar.is-scrolled {
  box-shadow: var(--shadow-sm);
  border-bottom-color: var(--color-border);
}

.navbar__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
}

.navbar__brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

.navbar__logo {
  height: 42px;
  width: auto;
}

.navbar__brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.navbar__brand-name {
  font-family: var(--font-heading);
  font-weight: var(--fw-bold);
  font-size: var(--fs-md);
  color: var(--color-primary);
}

.navbar__brand-tagline {
  font-size: 0.7rem;
  color: var(--color-ink-soft);
  font-weight: var(--fw-medium);
}

.navbar__links {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  list-style: none;
}

.navbar__link {
  font-family: var(--font-heading);
  font-weight: var(--fw-medium);
  font-size: var(--fs-sm);
  color: var(--color-ink);
  padding: var(--space-2) 0;
  position: relative;
}

.navbar__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: width var(--transition-base);
}

.navbar__link:hover::after,
.navbar__link.is-active::after {
  width: 100%;
}

.navbar__link.is-active {
  color: var(--color-primary);
}

.navbar__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

.navbar__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  z-index: calc(var(--z-navbar) + 1);
}

.navbar__toggle span {
  width: 26px;
  height: 2px;
  background-color: var(--color-ink);
  border-radius: var(--radius-full);
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.navbar__toggle.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.navbar__toggle.is-open span:nth-child(2) {
  opacity: 0;
}
.navbar__toggle.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */

.footer {
  background-color: var(--color-secondary-dark);
  color: rgba(255, 255, 255, 0.85);
  padding-top: var(--space-10);
}

.footer__top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: var(--space-8);
  padding-bottom: var(--space-9);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.footer__brand-name {
  font-family: var(--font-heading);
  font-size: var(--fs-lg);
  font-weight: var(--fw-bold);
  color: var(--color-white);
  margin-bottom: var(--space-3);
}

.footer__tagline {
  font-size: var(--fs-sm);
  margin-bottom: var(--space-2);
  color: rgba(255, 255, 255, 0.7);
}

.footer__tagline-hindi {
  font-family: var(--font-hindi);
  font-size: var(--fs-base);
  color: var(--color-accent);
  margin-top: var(--space-3);
}

.footer__heading {
  font-family: var(--font-heading);
  font-weight: var(--fw-semibold);
  font-size: var(--fs-sm);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-white);
  margin-bottom: var(--space-4);
}

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

.footer__list a {
  font-size: var(--fs-sm);
  color: rgba(255, 255, 255, 0.75);
  transition: color var(--transition-fast);
}

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

.footer__address {
  font-size: var(--fs-sm);
  line-height: var(--lh-relaxed);
  color: rgba(255, 255, 255, 0.75);
}

.footer__social {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-5);
}

.footer__social a {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-full);
  background-color: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color var(--transition-fast);
}

.footer__social a:hover {
  background-color: var(--color-accent);
}

.footer__social svg {
  width: 18px;
  height: 18px;
  fill: var(--color-white);
}

.footer__bottom {
  padding-block: var(--space-5);
  text-align: center;
  font-size: var(--fs-xs);
  color: rgba(255, 255, 255, 0.55);
}