/* ==========================================================================
   Layout — Navigation, Footer, Page Structures
   ========================================================================== */

/* --------------------------------------------------------------------------
   Navigation
   -------------------------------------------------------------------------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  z-index: 1000;
  display: flex;
  align-items: center;
  background: transparent;
  transition: background var(--transition-fast), box-shadow var(--transition-fast);
}

.nav--scrolled {
  background: rgba(250, 248, 245, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--color-border);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: 2rem;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.nav__logo-img {
  height: 36px;
  width: auto;
}

.nav__logo-text {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-text-primary);
  letter-spacing: -0.01em;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.nav__link {
  font-size: var(--font-size-small);
  font-weight: 400;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
  position: relative;
}

.nav__link:hover,
.nav__link--active {
  color: var(--color-text-primary);
}

.nav__link--active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--color-accent-warm);
}

.nav__cta {
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent-warm);
  padding: 0.6rem 1.25rem;
  border: 1px solid rgba(160, 113, 79, 0.3);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

.nav__cta:hover {
  background: var(--color-accent-warm);
  color: #ffffff;
}

/* Hamburger */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  padding: 4px 0;
}

.nav__hamburger span {
  display: block;
  width: 100%;
  height: 1.5px;
  background: var(--color-text-primary);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.nav__hamburger--active span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}
.nav__hamburger--active span:nth-child(2) {
  opacity: 0;
}
.nav__hamburger--active span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* Mobile Menu Overlay */
.nav__mobile-menu {
  position: fixed;
  inset: 0;
  background: var(--color-bg-primary);
  z-index: 999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2.5rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-medium), visibility var(--transition-medium);
}

.nav__mobile-menu--open {
  opacity: 1;
  visibility: visible;
}

.nav__mobile-menu a {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  color: var(--color-text-primary);
  transition: color var(--transition-fast);
}

.nav__mobile-menu a:hover {
  color: var(--color-accent-warm);
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.footer {
  padding-block: 5rem 2rem;
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-secondary);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

.footer__brand-name {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 0.75rem;
}

.footer__brand-tagline {
  font-size: var(--font-size-small);
  color: var(--color-text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.footer__heading {
  font-family: var(--font-body);
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
}

.footer__links li {
  margin-bottom: 0.6rem;
}

.footer__links a {
  font-size: var(--font-size-small);
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

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

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
}

.footer__copyright {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.footer__social {
  display: flex;
  gap: 1.25rem;
}

.footer__social a {
  color: var(--color-text-muted);
  font-size: var(--font-size-small);
  transition: color var(--transition-fast);
}

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

/* --------------------------------------------------------------------------
   Page Hero (shared across pages)
   -------------------------------------------------------------------------- */
.page-hero {
  padding-top: calc(var(--nav-height) + 5rem);
  padding-bottom: 5rem;
}

.page-hero__label {
  margin-bottom: 1.5rem;
}

.page-hero__title {
  font-size: var(--font-size-display);
  line-height: 1.05;
  margin-bottom: 1.5rem;
  max-width: 1000px;
}

.page-hero__subtitle {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  max-width: 700px;
  line-height: 1.8;
}

/* --------------------------------------------------------------------------
   Section Header Pattern
   -------------------------------------------------------------------------- */
.section-header {
  margin-bottom: 4rem;
}

.section-header--center {
  text-align: center;
  max-width: 800px;
  margin-inline: auto;
  margin-bottom: 4rem;
}

.section-header__title {
  margin-bottom: 1rem;
}

.section-header__desc {
  font-size: 1.0625rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
}

/* --------------------------------------------------------------------------
   CTA Section (shared)
   -------------------------------------------------------------------------- */
.cta-section {
  padding-block: var(--section-padding);
  border-top: 1px solid var(--color-border);
}

.cta-section__label {
  margin-bottom: 1.5rem;
}

.cta-section__title {
  max-width: 700px;
  margin-bottom: 2.5rem;
}

/* --------------------------------------------------------------------------
   WhatsApp Float
   -------------------------------------------------------------------------- */
.whatsapp-float {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #25d366;
  border-radius: 50%;
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.35);
  z-index: 900;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 24px rgba(37, 211, 102, 0.45);
}

.whatsapp-float svg {
  width: 26px;
  height: 26px;
}