/**
 * FU SONG® Luxury Outdoor Furniture - Core Design System & Stylesheet
 * Brand: FU SONG (佛山市福颂家具有限公司)
 * Namespace: fs-
 * Palette: Travertine/Sandstone (#F9F8F5), Deep Architectural Obsidian (#121314), Champagne Gold (#C5A059)
 */

:root {
  --fs-bg: #F9F8F5;
  --fs-bg-card: #FFFFFF;
  --fs-bg-dark: #121314;
  --fs-bg-dark-card: #1C1E20;
  --fs-bg-subtle: #F0EDE6;
  
  --fs-gold: #C5A059;
  --fs-gold-hover: #D4B26F;
  --fs-gold-subtle: rgba(197, 160, 89, 0.12);
  --fs-gold-border: rgba(197, 160, 89, 0.35);

  --fs-text-main: #1C1D1F;
  --fs-text-muted: #6B7075;
  --fs-text-light: #9B9FA4;
  --fs-text-on-dark: #F5F5F7;
  --fs-text-muted-dark: #9EA3A9;

  --fs-border-light: rgba(0, 0, 0, 0.08);
  --fs-border-dark: rgba(255, 255, 255, 0.1);

  --fs-font-serif: "Playfair Display", "Cormorant Garamond", Georgia, serif;
  --fs-font-sans: "Outfit", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  --fs-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --fs-shadow-md: 0 8px 24px rgba(0, 0, 0, 0.06);
  --fs-shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.1);
  --fs-shadow-gold: 0 8px 30px rgba(197, 160, 89, 0.25);

  --fs-radius-sm: 4px;
  --fs-radius-md: 8px;
  --fs-radius-lg: 14px;
  --fs-radius-pill: 999px;

  --fs-container-max: 1280px;
  --fs-container-narrow: 840px;

  --fs-header-height: 80px;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--fs-font-sans);
  background-color: var(--fs-bg);
  color: var(--fs-text-main);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img, video {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.25s ease, opacity 0.25s ease;
}

button {
  cursor: pointer;
  font-family: inherit;
  border: none;
  background: none;
}

.fs-container {
  width: 100%;
  max-width: var(--fs-container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

.fs-container-narrow {
  max-width: var(--fs-container-narrow);
}

/* ================= HEADER & NAV ================= */
.fs-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--fs-header-height);
  z-index: 1000;
  background: rgba(249, 248, 245, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--fs-border-light);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.fs-header.fs-scrolled {
  background: rgba(255, 255, 255, 0.96);
  box-shadow: var(--fs-shadow-sm);
  height: 72px;
}

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

.fs-logo {
  display: flex;
  flex-direction: column;
}

.fs-logo-brand {
  font-family: var(--fs-font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--fs-text-main);
  line-height: 1;
}

.fs-logo-sub {
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--fs-gold);
  margin-top: 3px;
}

.fs-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

@media (max-width: 992px) {
  .fs-nav {
    display: none;
  }
}

.fs-nav-item {
  position: relative;
}

.fs-nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--fs-text-main);
  padding: 12px 0;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.fs-nav-link:hover, .fs-nav-link.active {
  color: var(--fs-gold);
}

.fs-nav-dropdown {
  position: absolute;
  top: 100%;
  left: -20px;
  width: 260px;
  background: #FFFFFF;
  border: 1px solid var(--fs-border-light);
  border-radius: var(--fs-radius-md);
  box-shadow: var(--fs-shadow-lg);
  padding: 12px 0;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(10px);
  transition: opacity 0.26s cubic-bezier(0.16, 1, 0.3, 1), transform 0.26s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.26s;
}

.fs-nav-item:hover .fs-nav-dropdown,
.fs-nav-dropdown:hover {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
}

.fs-dropdown-link {
  display: block;
  padding: 10px 20px;
  font-size: 0.84rem;
  color: var(--fs-text-main);
  transition: background 0.2s, color 0.2s;
}

.fs-dropdown-link:hover {
  background: var(--fs-bg-subtle);
  color: var(--fs-gold);
}

.fs-header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.fs-lang-switch {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  background: var(--fs-bg-subtle);
  padding: 4px 10px;
  border-radius: var(--fs-radius-pill);
}

.fs-lang-btn {
  color: var(--fs-text-muted);
}

.fs-lang-btn.active {
  color: var(--fs-gold);
}

.fs-btn-inquiry {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--fs-bg-dark);
  color: #FFFFFF;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 10px 20px;
  border-radius: var(--fs-radius-pill);
  transition: background 0.25s, transform 0.25s;
}

.fs-btn-inquiry:hover {
  background: var(--fs-gold);
  transform: translateY(-1px);
}

.fs-mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  height: 28px;
  justify-content: center;
}

@media (max-width: 992px) {
  .fs-mobile-toggle {
    display: flex;
  }
}

.fs-mobile-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background-color: var(--fs-text-main);
  transition: 0.3s;
}

/* ================= MOBILE DRAWER ================= */
.fs-drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1998;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.fs-drawer-overlay.active {
  opacity: 1;
  visibility: visible;
}

.fs-drawer {
  position: fixed;
  top: 0;
  right: -320px;
  width: 300px;
  height: 100%;
  background: #FFFFFF;
  z-index: 1999;
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--fs-shadow-lg);
  transition: right 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  overflow-y: auto;
}

.fs-drawer.active {
  right: 0;
}

.fs-drawer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 32px;
}

.fs-drawer-close {
  font-size: 1.5rem;
  color: var(--fs-text-muted);
}

.fs-drawer-nav {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.fs-drawer-link {
  font-size: 1.05rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--fs-text-main);
}

.fs-drawer-link:hover {
  color: var(--fs-gold);
}

/* ================= 100VH LUXURY HERO ================= */
.fs-hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--fs-bg-dark);
  color: #FFFFFF;
  padding: calc(var(--fs-header-height) + 40px) 0 60px;
  overflow: hidden;
}

.fs-hero-bg {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.fs-hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.55;
  transform: scale(1.02);
  transition: transform 8s ease-out;
}

.fs-hero:hover .fs-hero-bg img {
  transform: scale(1.06);
}

.fs-hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  background: radial-gradient(circle at center, rgba(18, 19, 20, 0.3) 0%, rgba(18, 19, 20, 0.85) 100%);
}

.fs-hero-content {
  position: relative;
  z-index: 3;
  text-align: center;
  max-width: 920px;
  margin: 0 auto;
}

.fs-hero-tag {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--fs-gold);
  margin-bottom: 20px;
  background: rgba(197, 160, 89, 0.15);
  border: 1px solid var(--fs-gold-border);
  padding: 6px 18px;
  border-radius: var(--fs-radius-pill);
}

.fs-hero-title {
  font-family: var(--fs-font-serif);
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin-bottom: 24px;
}

.fs-hero-desc {
  font-size: clamp(1rem, 1.8vw, 1.15rem);
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
}

.fs-hero-ctas {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.fs-btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--fs-gold);
  color: #121314;
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 14px 32px;
  border-radius: var(--fs-radius-pill);
  box-shadow: var(--fs-shadow-gold);
  transition: all 0.25s ease;
}

.fs-btn-primary:hover {
  background: var(--fs-gold-hover);
  transform: translateY(-2px);
  box-shadow: 0 12px 35px rgba(197, 160, 89, 0.35);
}

.fs-btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.1);
  color: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.25);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 14px 28px;
  border-radius: var(--fs-radius-pill);
  backdrop-filter: blur(8px);
  transition: all 0.25s ease;
}

.fs-btn-secondary:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: #FFFFFF;
  transform: translateY(-2px);
}

/* 5-Column Trust Metrics Strip */
.fs-trust-strip {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

@media (max-width: 840px) {
  .fs-trust-strip {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .fs-trust-strip {
    grid-template-columns: 1fr;
  }
}

.fs-trust-item {
  text-align: center;
}

.fs-trust-num {
  font-family: var(--fs-font-serif);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--fs-gold);
  line-height: 1.2;
}

.fs-trust-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.7);
  margin-top: 4px;
}

/* ================= SECTION COMMON ================= */
.fs-section {
  padding: 80px 0;
}

.fs-section-dark {
  background-color: var(--fs-bg-dark);
  color: #FFFFFF;
}

.fs-section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 56px;
}

.fs-section-eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--fs-gold);
  margin-bottom: 12px;
}

.fs-section-title {
  font-family: var(--fs-font-serif);
  font-size: clamp(1.8rem, 3.2vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.25;
  margin-bottom: 16px;
}

.fs-section-desc {
  font-size: 1rem;
  color: var(--fs-text-muted);
  line-height: 1.7;
}

.fs-section-dark .fs-section-desc {
  color: var(--fs-text-muted-dark);
}

/* ================= SERIES SHOWCASE DUAL BANNERS ================= */
.fs-series-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

@media (max-width: 768px) {
  .fs-series-grid {
    grid-template-columns: 1fr;
  }
}

.fs-series-card {
  position: relative;
  border-radius: var(--fs-radius-lg);
  overflow: hidden;
  height: 440px;
  display: flex;
  align-items: flex-end;
  padding: 40px;
  color: #FFFFFF;
  box-shadow: var(--fs-shadow-md);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s;
}

.fs-series-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--fs-shadow-lg);
}

.fs-series-bg {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.fs-series-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.fs-series-card:hover .fs-series-bg img {
  transform: scale(1.08);
}

.fs-series-card::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  background: linear-gradient(180deg, rgba(0,0,0,0) 20%, rgba(0,0,0,0.85) 90%);
}

.fs-series-content {
  position: relative;
  z-index: 3;
}

.fs-series-count {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--fs-gold);
  margin-bottom: 8px;
}

.fs-series-name {
  font-family: var(--fs-font-serif);
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.fs-series-text {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 20px;
  line-height: 1.5;
}

.fs-series-action {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #FFFFFF;
  border-bottom: 2px solid var(--fs-gold);
  padding-bottom: 4px;
}

/* ================= PRODUCT CARDS GRID (ALL-WRAPPED <a>) ================= */
.fs-product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 28px;
}

.fs-product-card {
  display: flex;
  flex-direction: column;
  background: var(--fs-bg-card);
  border: 1px solid var(--fs-border-light);
  border-radius: var(--fs-radius-md);
  overflow: hidden;
  box-shadow: var(--fs-shadow-sm);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.fs-product-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--fs-shadow-lg);
  border-color: var(--fs-gold);
}

.fs-product-img-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  background: #EFEFEF;
  overflow: hidden;
}

.fs-product-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.fs-product-card:hover .fs-product-img-wrap img {
  transform: scale(1.06);
}

.fs-product-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(18, 19, 20, 0.85);
  color: var(--fs-gold);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: var(--fs-radius-pill);
  backdrop-filter: blur(4px);
}

.fs-product-meta {
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.fs-product-series {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--fs-gold);
  margin-bottom: 6px;
}

.fs-product-title {
  font-family: var(--fs-font-serif);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--fs-text-main);
  margin-bottom: 8px;
  line-height: 1.35;
}

.fs-product-summary {
  font-size: 0.84rem;
  color: var(--fs-text-muted);
  line-height: 1.5;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.fs-product-footer {
  margin-top: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 12px;
  border-top: 1px solid var(--fs-border-light);
  font-size: 0.78rem;
}

.fs-product-spec {
  color: var(--fs-text-light);
}

.fs-product-cta-btn {
  font-weight: 700;
  color: var(--fs-gold);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

/* ================= PRODUCT DETAIL PAGE ================= */
.fs-detail-header-section {
  padding: calc(var(--fs-header-height) + 30px) 0 30px;
  background: var(--fs-bg-subtle);
  border-bottom: 1px solid var(--fs-border-light);
}

.fs-breadcrumbs {
  font-size: 0.8125rem;
  color: var(--fs-text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}

.fs-breadcrumbs a:hover {
  color: var(--fs-gold);
}

.fs-breadcrumbs span {
  color: var(--fs-text-light);
}

.fs-detail-layout {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  padding: 48px 0;
}

@media (max-width: 900px) {
  .fs-detail-layout {
    grid-template-columns: 1fr;
  }
}

.fs-gallery-main {
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: var(--fs-radius-md);
  overflow: hidden;
  background: #EFEFEF;
  box-shadow: var(--fs-shadow-md);
  margin-bottom: 16px;
}

.fs-gallery-main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity 0.3s ease;
}

.fs-gallery-thumbs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.fs-thumb-btn {
  aspect-ratio: 4 / 3;
  border-radius: var(--fs-radius-sm);
  overflow: hidden;
  border: 2px solid transparent;
  transition: border-color 0.2s, opacity 0.2s;
  opacity: 0.65;
}

.fs-thumb-btn.active, .fs-thumb-btn:hover {
  border-color: var(--fs-gold);
  opacity: 1;
}

.fs-thumb-btn img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.fs-detail-info {
  display: flex;
  flex-direction: column;
}

.fs-detail-code {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--fs-gold);
  margin-bottom: 8px;
}

.fs-detail-title {
  font-family: var(--fs-font-serif);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 16px;
}

.fs-detail-lead {
  font-size: 1.05rem;
  color: var(--fs-text-muted);
  line-height: 1.7;
  margin-bottom: 24px;
}

.fs-detail-desc {
  font-size: 0.95rem;
  color: var(--fs-text-main);
  line-height: 1.75;
  margin-bottom: 32px;
}

.fs-spec-table-wrap {
  margin-bottom: 32px;
}

.fs-spec-table-title {
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
  color: var(--fs-text-main);
}

.fs-spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.fs-spec-table tr {
  border-bottom: 1px solid var(--fs-border-light);
}

.fs-spec-table td {
  padding: 10px 0;
}

.fs-spec-table td:first-child {
  font-weight: 600;
  color: var(--fs-text-muted);
  width: 38%;
}

.fs-spec-table td:last-child {
  color: var(--fs-text-main);
  font-weight: 500;
}

.fs-inquiry-box {
  background: var(--fs-bg-subtle);
  border: 1px solid var(--fs-border-light);
  border-radius: var(--fs-radius-md);
  padding: 28px;
  margin-top: 16px;
}

.fs-inquiry-box-title {
  font-family: var(--fs-font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.fs-inquiry-box-desc {
  font-size: 0.85rem;
  color: var(--fs-text-muted);
  margin-bottom: 20px;
}

.fs-form-group {
  margin-bottom: 14px;
}

.fs-form-input, .fs-form-textarea {
  width: 100%;
  padding: 12px 16px;
  background: #FFFFFF;
  border: 1px solid var(--fs-border-light);
  border-radius: var(--fs-radius-sm);
  font-family: inherit;
  font-size: 0.875rem;
  color: var(--fs-text-main);
  transition: border-color 0.2s;
}

.fs-form-input:focus, .fs-form-textarea:focus {
  outline: none;
  border-color: var(--fs-gold);
}

.fs-form-textarea {
  resize: vertical;
  min-height: 90px;
}

.fs-btn-submit {
  width: 100%;
  background: var(--fs-bg-dark);
  color: #FFFFFF;
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 14px;
  border-radius: var(--fs-radius-sm);
  transition: background 0.2s;
}

.fs-btn-submit:hover {
  background: var(--fs-gold);
}

/* ================= WHATSAPP FLOATING WIDGET ================= */
.fs-whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
  display: flex;
  align-items: center;
  gap: 10px;
  background: #25D366;
  color: #FFFFFF;
  padding: 12px 20px;
  border-radius: var(--fs-radius-pill);
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  transition: transform 0.25s, box-shadow 0.25s;
  animation: fs-pulse-glow 3s infinite;
}

.fs-whatsapp-float:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 12px 32px rgba(37, 211, 102, 0.6);
}

.fs-whatsapp-icon {
  width: 22px;
  height: 22px;
  fill: currentColor;
}

@keyframes fs-pulse-glow {
  0%, 100% {
    box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4);
  }
  50% {
    box-shadow: 0 8px 32px rgba(37, 211, 102, 0.75), 0 0 0 6px rgba(37, 211, 102, 0.2);
  }
}

/* ================= FOOTER ================= */
.fs-footer {
  background-color: var(--fs-bg-dark);
  color: var(--fs-text-on-dark);
  padding: 80px 0 32px;
  border-top: 1px solid var(--fs-border-dark);
}

.fs-footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 48px;
  margin-bottom: 64px;
}

@media (max-width: 900px) {
  .fs-footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 540px) {
  .fs-footer-grid {
    grid-template-columns: 1fr;
  }
}

.fs-footer-brand-title {
  font-family: var(--fs-font-serif);
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: #FFFFFF;
  margin-bottom: 8px;
}

.fs-footer-brand-sub {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--fs-gold);
  margin-bottom: 16px;
}

.fs-footer-about {
  font-size: 0.875rem;
  color: var(--fs-text-muted-dark);
  line-height: 1.7;
  margin-bottom: 20px;
}

.fs-footer-heading {
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #FFFFFF;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 8px;
}

.fs-footer-heading::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 24px;
  height: 2px;
  background: var(--fs-gold);
}

.fs-footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.fs-footer-link {
  font-size: 0.85rem;
  color: var(--fs-text-muted-dark);
  transition: color 0.2s, transform 0.2s;
  display: inline-block;
}

.fs-footer-link:hover {
  color: var(--fs-gold);
  transform: translateX(4px);
}

.fs-footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.85rem;
  color: var(--fs-text-muted-dark);
  margin-bottom: 12px;
  line-height: 1.5;
}

.fs-footer-contact-item svg {
  width: 18px;
  height: 18px;
  fill: var(--fs-gold);
  flex-shrink: 0;
  margin-top: 2px;
}

.fs-footer-bottom {
  padding-top: 32px;
  border-top: 1px solid var(--fs-border-dark);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.78rem;
  color: var(--fs-text-light);
  flex-wrap: wrap;
  gap: 16px;
}