/* ============================================
   ROYAL JOY SRI LANKA — Main Stylesheet
   ============================================ */

/* --- CUSTOM PROPERTIES --- */
:root {
  --navy: #071A3D;
  --royal-blue: #102F72;
  --gold: #D8AE58;
  --gold-light: #E8C87A;
  --gold-dark: #B8923E;
  --ivory: #FAF8F3;
  --charcoal: #17191E;
  --white: #FFFFFF;
  --text: #3A3D45;
  --text-light: #6B7080;
  --border: #E4E2DD;
  --shadow-sm: 0 2px 8px rgba(7,26,61,0.06);
  --shadow-md: 0 8px 30px rgba(7,26,61,0.10);
  --shadow-lg: 0 20px 60px rgba(7,26,61,0.15);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-heading: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --container: 1200px;
  --gutter: 16px;
}

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

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

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--ivory);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

img.img-broken {
  position: relative;
  min-height: 200px;
  background: linear-gradient(135deg, var(--navy), var(--royal-blue));
}

img.img-broken::after {
  content: attr(alt);
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  font-family: var(--font-body);
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.4);
  text-align: center;
  background: linear-gradient(135deg, var(--navy), var(--royal-blue));
}

a {
  color: inherit;
  text-decoration: none;
}

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

ul, ol { list-style: none; }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
  color: var(--navy);
}

:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

::selection {
  background: var(--gold);
  color: var(--navy);
}

/* --- UTILITIES --- */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.text-center { text-align: center; }

.section {
  padding: 100px 0;
}

.section-eyebrow {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(2rem, 5vw, 3.25rem);
  margin-bottom: 20px;
  color: var(--navy);
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-light);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.8;
}

.gold-divider {
  width: 60px;
  height: 2px;
  background: var(--gold);
  margin-bottom: 28px;
}

.gold-divider.center {
  margin-left: auto;
  margin-right: auto;
}

.section-header {
  margin-bottom: 60px;
}

.hide-mobile { display: inline; }

/* --- BUTTONS --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  white-space: nowrap;
  min-height: 48px;
}

.btn-gold {
  background: var(--gold);
  color: var(--navy);
}

.btn-gold:hover {
  background: var(--gold-light);
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(216,174,88,0.35);
}

.btn-outline {
  border: 1.5px solid var(--gold);
  color: var(--gold);
  background: transparent;
}

.btn-outline:hover {
  background: var(--gold);
  color: var(--navy);
}

.btn-outline-light {
  border: 1.5px solid rgba(255,255,255,0.5);
  color: var(--white);
  background: transparent;
}

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

.btn-sm {
  padding: 10px 24px;
  font-size: 0.8125rem;
  min-height: 40px;
}

.btn-block { width: 100%; }

/* --- NAVBAR --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: background var(--transition), box-shadow var(--transition), padding var(--transition);
  padding: 20px 0;
}

.site-header.scrolled {
  background: rgba(7, 26, 61, 0.97);
  box-shadow: 0 2px 20px rgba(0,0,0,0.15);
  padding: 12px 0;
  backdrop-filter: blur(10px);
}

.navbar {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 1001;
}

.logo-text {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.02em;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  z-index: 1001;
  padding: 8px;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
}

.hamburger-line {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  transition: all var(--transition);
  border-radius: 2px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  padding: 8px 16px;
  font-size: 0.875rem;
  font-weight: 500;
  color: rgba(255,255,255,0.8);
  transition: color var(--transition);
  letter-spacing: 0.02em;
}

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

.nav-cta {
  margin-left: 16px;
  padding: 10px 24px;
  font-size: 0.8125rem;
}

/* --- HERO --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

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

.hero-img {
  position: absolute;
  inset: -20px;
  background: url('https://images.unsplash.com/photo-1555244162-803834f70033?w=1920&q=85') center/cover no-repeat;
  will-change: transform;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(7,26,61,0.65) 0%,
    rgba(7,26,61,0.50) 50%,
    rgba(7,26,61,0.75) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 0 var(--gutter);
  max-width: 1100px;
  width: 100%;
}

.hero-eyebrow {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 28px;
}

.hero-divider {
  display: flex;
  justify-content: center;
  margin-bottom: 28px;
}

.hero-divider span {
  display: block;
  width: 60px;
  height: 1px;
  background: var(--gold);
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(3.2rem, 9vw, 6.5rem);
  font-weight: 400;
  font-style: italic;
  color: var(--white);
  line-height: 1.05;
  margin-bottom: 32px;
  letter-spacing: -0.02em;
  text-shadow: 0 4px 30px rgba(0,0,0,0.3);
}

.hero-subtitle {
  font-size: clamp(1.05rem, 2.2vw, 1.35rem);
  color: rgba(255,255,255,0.85);
  margin-bottom: 48px;
  line-height: 1.7;
  font-weight: 300;
  letter-spacing: 0.01em;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  z-index: 1;
}

.scroll-text {
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
}

.scroll-line {
  display: block;
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--gold), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(0.6); }
  50% { opacity: 1; transform: scaleY(1); }
}

/* --- ABOUT --- */
.about {
  background: var(--white);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-img-wrapper {
  position: relative;
}

.about-img-wrapper img {
  border-radius: var(--radius-md);
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 4/3;
}

.about-img-accent {
  position: absolute;
  bottom: -20px;
  right: -20px;
  width: 120px;
  height: 120px;
  border: 2px solid var(--gold);
  border-radius: var(--radius-md);
  z-index: -1;
}

.about-text {
  font-size: 1.05rem;
  color: var(--text-light);
  margin-bottom: 16px;
  line-height: 1.8;
}

.about-values {
  margin: 32px 0;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.value-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.value-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(216,174,88,0.1);
  border-radius: 50%;
  color: var(--gold);
}

.value-item strong {
  display: block;
  font-size: 0.95rem;
  color: var(--navy);
  margin-bottom: 4px;
}

.value-item p {
  font-size: 0.875rem;
  color: var(--text-light);
  line-height: 1.6;
}

/* --- SERVICES --- */
.services {
  background: var(--ivory);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.service-card {
  background: var(--white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

.service-img {
  position: relative;
  overflow: hidden;
  aspect-ratio: 3/2;
}

.service-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.service-card:hover .service-img img {
  transform: scale(1.05);
}

.service-img-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(7,26,61,0.2), transparent);
}

.service-body {
  padding: 28px;
}

.service-body h3 {
  font-size: 1.35rem;
  margin-bottom: 12px;
}

.service-body p {
  font-size: 0.9rem;
  color: var(--text-light);
  line-height: 1.7;
  margin-bottom: 16px;
}

.service-more {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--gold-dark);
  letter-spacing: 0.05em;
  padding: 0;
  transition: color var(--transition);
}

.service-more:hover { color: var(--royal-blue); }

.service-detail {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.service-detail p {
  font-size: 0.875rem;
  margin-bottom: 0;
}

/* --- EXPERIENCES --- */
.experiences {
  background: var(--white);
}

.exp-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 28px;
}

.exp-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--navy);
}

.exp-large {
  grid-row: span 2;
}

.exp-img-wrapper {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 300px;
}

.exp-img-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.7;
  transition: opacity 0.4s ease, transform 0.6s ease;
}

.exp-item:hover .exp-img-wrapper img {
  opacity: 0.5;
  transform: scale(1.03);
}

.exp-content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 32px;
  background: linear-gradient(to top, rgba(7,26,61,0.9) 0%, transparent 100%);
}

.exp-tag {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 8px;
}

.exp-content h3 {
  font-size: 1.5rem;
  color: var(--white);
  margin-bottom: 8px;
}

.exp-content p {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.7);
  line-height: 1.6;
}

/* --- GALLERY --- */
.gallery {
  background: var(--ivory);
}

.gallery-filters {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 10px 24px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-light);
  border: 1.5px solid var(--border);
  border-radius: 100px;
  transition: all var(--transition);
  min-height: 44px;
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--navy);
  color: var(--white);
  border-color: var(--navy);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 1;
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.gallery-item.hidden {
  display: none;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.gallery-item:hover img {
  transform: scale(1.08);
}

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(7,26,61,0.8) 0%, transparent 60%);
  display: flex;
  align-items: flex-end;
  padding: 20px;
  opacity: 0;
  transition: opacity var(--transition);
}

.gallery-item:hover .gallery-overlay {
  opacity: 1;
}

.gallery-label {
  color: var(--white);
  font-size: 0.875rem;
  font-weight: 600;
}

/* --- LIGHTBOX --- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(7,26,61,0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(10px);
}

.lightbox[hidden] { display: none; }

.lightbox-close {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 48px;
  height: 48px;
  font-size: 2rem;
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2001;
  transition: color var(--transition);
}

.lightbox-close:hover { color: var(--gold); }

.lightbox-prev,
.lightbox-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--transition);
  z-index: 2001;
}

.lightbox-prev { left: 20px; }
.lightbox-next { right: 20px; }

.lightbox-prev:hover,
.lightbox-next:hover { color: var(--gold); }

.lightbox-content {
  max-width: 90vw;
  max-height: 85vh;
}

.lightbox-content img {
  max-width: 100%;
  max-height: 85vh;
  object-fit: contain;
  border-radius: var(--radius-sm);
}

/* --- APPROACH --- */
.approach {
  background: var(--white);
}

.approach-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.approach-card {
  text-align: center;
  padding: 40px 24px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  transition: all var(--transition);
  position: relative;
}

.approach-card:hover {
  border-color: var(--gold);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.approach-num {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 700;
  color: rgba(216,174,88,0.15);
  position: absolute;
  top: 16px;
  right: 20px;
  line-height: 1;
}

.approach-icon {
  color: var(--gold);
  margin-bottom: 20px;
}

.approach-card h3 {
  font-size: 1.2rem;
  margin-bottom: 12px;
}

.approach-card p {
  font-size: 0.875rem;
  color: var(--text-light);
  line-height: 1.7;
}

/* --- SOCIAL --- */
.social {
  background: var(--ivory);
}

.social-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.social-card {
  background: var(--white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}

.social-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.social-card-visual {
  aspect-ratio: 9/16;
  max-height: 320px;
  background: var(--navy);
  display: flex;
  align-items: center;
  justify-content: center;
}

.social-placeholder {
  text-align: center;
  color: rgba(255,255,255,0.3);
  padding: 20px;
}

.social-placeholder p {
  font-size: 0.8125rem;
  margin-top: 12px;
}

.social-card-body {
  padding: 24px;
}

.social-card-body p {
  font-size: 0.9rem;
  color: var(--text-light);
  margin-bottom: 16px;
  line-height: 1.6;
}

/* --- PREMIUM CTA --- */
.premium-cta {
  position: relative;
  padding: 120px 0;
  overflow: hidden;
}

.premium-cta-bg {
  position: absolute;
  inset: 0;
  background: url('https://images.unsplash.com/photo-1519167758481-83f550bb49b3?w=1920&q=80') center/cover no-repeat;
}

.premium-cta-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(7,26,61,0.92), rgba(16,47,114,0.88));
}

.premium-cta-content {
  position: relative;
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.premium-cta-accent {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 32px;
}

.premium-cta-accent span {
  display: block;
  width: 40px;
  height: 1px;
  background: var(--gold);
}

.premium-cta-content h2 {
  font-size: clamp(2rem, 5vw, 3rem);
  color: var(--white);
  margin-bottom: 20px;
}

.premium-cta-content p {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.75);
  margin-bottom: 36px;
  line-height: 1.7;
}

.premium-cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* --- CONTACT --- */
.contact {
  background: var(--white);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.contact-info p {
  font-size: 1.05rem;
  color: var(--text-light);
  line-height: 1.8;
  margin-bottom: 28px;
}

.contact-channels {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-channel {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--navy);
  font-weight: 500;
}

.contact-channel svg {
  color: var(--gold);
  flex-shrink: 0;
}

.contact-channel a {
  transition: color var(--transition);
}

.contact-channel a:hover { color: var(--gold-dark); }

.contact-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-group-full {
  grid-column: 1 / -1;
}

.form-group label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 6px;
}

.form-optional {
  font-weight: 400;
  color: var(--text-light);
}

.form-group input,
.form-group select,
.form-group textarea {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--ivory);
  color: var(--charcoal);
  transition: border-color var(--transition), box-shadow var(--transition);
  min-height: 48px;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(216,174,88,0.15);
}

.form-group input.error,
.form-group textarea.error {
  border-color: #D44;
}

.form-error {
  font-size: 0.75rem;
  color: #D44;
  min-height: 1.2em;
  margin-top: 4px;
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-actions {
  grid-column: 1 / -1;
  text-align: center;
}

.form-note {
  font-size: 0.75rem;
  color: var(--text-light);
  margin-top: 12px;
}

/* --- FOOTER --- */
.site-footer {
  background: var(--navy);
  color: rgba(255,255,255,0.7);
  padding: 80px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 60px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.footer-desc {
  font-size: 0.9rem;
  line-height: 1.7;
}

.footer-grid h4 {
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 20px;
}

.footer-nav ul li,
.footer-services ul li {
  margin-bottom: 10px;
}

.footer-nav a,
.footer-services a {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.6);
  transition: color var(--transition);
}

.footer-nav a:hover,
.footer-services a:hover {
  color: var(--gold);
}

.social-links {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
}

.social-links a {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 50%;
  color: rgba(255,255,255,0.6);
  transition: all var(--transition);
}

.social-links a:hover {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--navy);
}

.footer-social-text {
  font-size: 0.8125rem;
  line-height: 1.6;
}

.footer-bottom {
  padding: 24px 0;
  text-align: center;
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.4);
}

/* --- BACK TO TOP --- */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  background: var(--navy);
  color: var(--gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition);
  z-index: 999;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--gold);
  color: var(--navy);
}