/* ============================================
   AM Otica e Relojoaria - Elegant Catalog
   Color Palette: Gold (#C8963E) + Black (#0A0A0A)
   ============================================ */

/* --- CSS Variables --- */
:root {
  --gold: #C8963E;
  --gold-light: #D4A84E;
  --gold-lighter: #E8C87A;
  --gold-dark: #A67A2E;
  --gold-darkest: #8A6424;
  --black: #0A0A0A;
  --black-light: #1A1A1A;
  --black-lighter: #2A2A2A;
  --gray-900: #111111;
  --gray-800: #1E1E1E;
  --gray-700: #2D2D2D;
  --gray-600: #444444;
  --gray-500: #666666;
  --gray-400: #888888;
  --gray-300: #AAAAAA;
  --gray-200: #CCCCCC;
  --gray-100: #E8E8E8;
  --white: #FAFAFA;
  --cream: #F5F0E8;
  --font-heading: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.15);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.25);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.35);
  --shadow-gold: 0 4px 20px rgba(200, 150, 62, 0.2);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  color: var(--gray-200);
  background-color: var(--black);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  text-decoration: none;
  color: var(--gold);
  transition: color var(--transition);
}

a:hover {
  color: var(--gold-light);
}

/* --- Utility --- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.gold {
  color: var(--gold);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  border: 2px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn:hover::after {
  width: 300px;
  height: 300px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: var(--black);
  border-color: var(--gold);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--gold-light), var(--gold));
  color: var(--black);
  transform: translateY(-2px);
  box-shadow: var(--shadow-gold);
}

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

.btn-outline:hover {
  background: var(--gold);
  color: var(--black);
  transform: translateY(-2px);
}

.btn-outline-dark {
  background: transparent;
  color: var(--gold);
  border-color: var(--gold);
  padding: 12px 28px;
}

.btn-outline-dark:hover {
  background: var(--gold);
  color: var(--black);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 10px 24px;
  font-size: 0.8rem;
  background: var(--gold);
  color: var(--black);
  border: none;
  border-radius: var(--radius-sm);
}

.btn-sm:hover {
  background: var(--gold-light);
  color: var(--black);
}

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 20px 0;
  transition: all var(--transition);
  background: transparent;
}

.navbar.scrolled {
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(20px);
  padding: 12px 0;
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
}

.nav-logo-img {
  height: 52px;
  width: auto;
  transition: height var(--transition);
}

.navbar.scrolled .nav-logo-img {
  height: 40px;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 8px;
}

.nav-link {
  padding: 8px 16px;
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: 0.5px;
  color: var(--gray-200);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  width: 0;
  height: 1px;
  background: var(--gold);
  transition: all var(--transition);
  transform: translateX(-50%);
}

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

.nav-link:hover::after,
.nav-link.active::after {
  width: 60%;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 1001;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--gold);
  transition: all var(--transition);
  border-radius: 2px;
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================================
   HERO
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: url('https://images.pexels.com/photos/2095953/pexels-photo-2095953.jpeg?auto=compress&cs=tinysrgb&w=1920') center/cover no-repeat;
  overflow: hidden;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to bottom, rgba(10, 10, 10, 0.85) 0%, rgba(10, 10, 10, 0.6) 40%, rgba(10, 10, 10, 0.7) 70%, rgba(10, 10, 10, 0.95) 100%);
  pointer-events: none;
}

.hero-particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.particle {
  position: absolute;
  width: 3px;
  height: 3px;
  background: var(--gold);
  border-radius: 50%;
  opacity: 0;
  animation: particleFloat 8s infinite;
}

@keyframes particleFloat {
  0% {
    opacity: 0;
    transform: translateY(100vh) scale(0);
  }
  10% {
    opacity: 0.6;
  }
  90% {
    opacity: 0.6;
  }
  100% {
    opacity: 0;
    transform: translateY(-20vh) scale(1);
  }
}

.hero-content {
  position: relative;
  text-align: center;
  z-index: 2;
  padding: 120px 24px 100px;
}

.hero-badge {
  display: inline-block;
  padding: 8px 24px;
  border: 1px solid rgba(200, 150, 62, 0.4);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 32px;
}

.hero-title {
  margin-bottom: 24px;
}

.hero-headline {
  display: block;
  font-family: var(--font-heading);
  font-size: clamp(2.4rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1.1;
  background: linear-gradient(135deg, var(--gold-lighter), var(--gold), var(--gold-dark));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 2px;
  animation: shimmer 4s ease-in-out infinite;
  background-size: 200% 100%;
}

@keyframes shimmer {
  0%, 100% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
}

.hero-divider {
  display: block;
  width: 80px;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--gold), transparent);
  margin: 16px auto;
}

.hero-subtitle-text {
  display: block;
  font-family: var(--font-heading);
  font-size: clamp(1rem, 3vw, 1.6rem);
  font-weight: 400;
  font-style: italic;
  color: var(--gold-lighter);
  letter-spacing: 6px;
}

.hero-description {
  max-width: 600px;
  margin: 0 auto 40px;
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--gray-300);
  font-weight: 300;
}

.hero-cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 64px;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
}

.stat {
  text-align: center;
}

.stat-number {
  display: block;
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--gold);
  line-height: 1.2;
}

.stat-plus {
  font-family: var(--font-heading);
  font-size: 2rem;
  color: var(--gold);
}

.stat-label {
  display: block;
  font-size: 0.8rem;
  color: var(--gray-400);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-top: 4px;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--gray-700);
}

.hero-scroll {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}

.scroll-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--gray-500);
  font-size: 0.7rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  transition: color var(--transition);
}

.scroll-indicator:hover {
  color: var(--gold);
}

.scroll-arrow {
  width: 20px;
  height: 20px;
  border-right: 1px solid var(--gray-500);
  border-bottom: 1px solid var(--gray-500);
  transform: rotate(45deg);
  animation: scrollBounce 2s infinite;
}

.scroll-indicator:hover .scroll-arrow {
  border-color: var(--gold);
}

@keyframes scrollBounce {
  0%, 100% {
    transform: rotate(45deg) translate(0, 0);
  }
  50% {
    transform: rotate(45deg) translate(5px, 5px);
  }
}

/* ============================================
   SECTIONS - SHARED
   ============================================ */
.section {
  padding: 100px 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 16px;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 600;
  color: var(--white);
  line-height: 1.2;
  margin-bottom: 16px;
}

.title-line {
  width: 60px;
  height: 2px;
  background: linear-gradient(to right, var(--gold-dark), var(--gold), var(--gold-dark));
  margin: 0 auto;
}

.section-desc {
  max-width: 560px;
  margin: 20px auto 0;
  font-size: 1rem;
  color: var(--gray-400);
  line-height: 1.6;
}

/* ============================================
   ABOUT
   ============================================ */
.section-about {
  background: var(--black);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-image {
  position: relative;
}

.about-img-wrapper {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
}

.about-img-wrapper img {
  width: 100%;
  height: 500px;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.about-img-wrapper:hover img {
  transform: scale(1.05);
}

.about-img-border {
  position: absolute;
  top: -8px;
  right: -8px;
  bottom: 8px;
  left: 8px;
  border: 1px solid var(--gold);
  border-radius: var(--radius-md);
  opacity: 0.3;
  z-index: -1;
}

.about-experience {
  position: absolute;
  bottom: -24px;
  right: -24px;
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: var(--black);
  padding: 24px;
  border-radius: var(--radius-md);
  text-align: center;
  box-shadow: var(--shadow-lg);
}

.exp-number {
  display: block;
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1;
}

.exp-text {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 4px;
}

.about-content h3 {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  color: var(--white);
  margin-bottom: 24px;
  line-height: 1.3;
}

.about-content p {
  color: var(--gray-300);
  margin-bottom: 16px;
  line-height: 1.7;
}

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

.feature {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px;
  background: var(--gray-900);
  border-radius: var(--radius-md);
  border: 1px solid var(--gray-800);
  transition: all var(--transition);
}

.feature:hover {
  border-color: var(--gold);
  transform: translateX(8px);
}

.feature-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(200, 150, 62, 0.1);
  border-radius: var(--radius-sm);
  color: var(--gold);
}

.feature strong {
  display: block;
  color: var(--white);
  font-size: 0.95rem;
  margin-bottom: 2px;
}

.feature span {
  font-size: 0.8rem;
  color: var(--gray-400);
}

/* ============================================
   PRODUCTS
   ============================================ */
.section-products {
  background: var(--gray-900);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.product-card {
  background: var(--black-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--gray-800);
  transition: all var(--transition);
}

.product-card:hover {
  border-color: var(--gold);
  transform: translateY(-8px);
  box-shadow: var(--shadow-gold);
}

.product-image {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4/3;
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.product-card:hover .product-image img {
  transform: scale(1.1);
}

.product-overlay {
  position: absolute;
  inset: 0;
  background: rgba(10, 10, 10, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition);
}

.product-card:hover .product-overlay {
  opacity: 1;
}

.product-info {
  padding: 24px;
}

.product-info h3 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  color: var(--white);
  margin-bottom: 8px;
}

.product-info p {
  font-size: 0.9rem;
  color: var(--gray-400);
  line-height: 1.5;
}

/* ============================================
   PROMOTIONS
   ============================================ */
.section-promos {
  background: var(--black);
}

.promos-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.promo-card {
  position: relative;
  background: var(--gray-900);
  border: 1px solid var(--gray-800);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  text-align: center;
  transition: all var(--transition);
}

.promo-card:hover {
  border-color: var(--gold);
  transform: translateY(-8px);
  box-shadow: var(--shadow-gold);
}

.promo-featured {
  background: linear-gradient(135deg, rgba(200, 150, 62, 0.1), rgba(200, 150, 62, 0.03));
  border-color: rgba(200, 150, 62, 0.3);
}

.promo-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: var(--black);
  padding: 6px 20px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  border-radius: 100px;
}

.promo-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  background: rgba(200, 150, 62, 0.08);
  border-radius: 50%;
  color: var(--gold);
  margin-bottom: 24px;
}

.promo-card h3 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  color: var(--white);
  margin-bottom: 12px;
}

.promo-card p {
  font-size: 0.9rem;
  color: var(--gray-400);
  line-height: 1.6;
  margin-bottom: 24px;
}

/* ============================================
   TESTIMONIALS
   ============================================ */
.section-testimonials {
  background: var(--gray-900);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.testimonial-card {
  background: var(--black-light);
  border: 1px solid var(--gray-800);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  transition: all var(--transition);
  position: relative;
}

.testimonial-card::before {
  content: '\201C';
  position: absolute;
  top: 16px;
  right: 24px;
  font-family: var(--font-heading);
  font-size: 5rem;
  color: rgba(200, 150, 62, 0.1);
  line-height: 1;
}

.testimonial-card:hover {
  border-color: var(--gold);
  transform: translateY(-4px);
}

.testimonial-stars {
  display: flex;
  gap: 4px;
  color: var(--gold);
  margin-bottom: 20px;
}

.testimonial-text {
  font-size: 0.95rem;
  color: var(--gray-300);
  line-height: 1.7;
  font-style: italic;
  margin-bottom: 24px;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.author-avatar {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: var(--black);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.85rem;
}

.testimonial-author strong {
  display: block;
  color: var(--white);
  font-size: 0.95rem;
}

.testimonial-author span {
  font-size: 0.8rem;
  color: var(--gray-500);
}

/* ============================================
   GALLERY
   ============================================ */
.section-gallery {
  background: var(--black);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: 280px;
  gap: 16px;
}

.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
  cursor: pointer;
}

.gallery-large {
  grid-column: span 2;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.gallery-item:hover img {
  transform: scale(1.1);
}

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10, 10, 10, 0.8) 0%, transparent 60%);
  display: flex;
  align-items: flex-end;
  padding: 24px;
  opacity: 0;
  transition: opacity var(--transition);
}

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

.gallery-overlay span {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  color: var(--gold);
  letter-spacing: 1px;
}

/* ============================================
   CONTACT
   ============================================ */
.section-contact {
  background: var(--gray-900);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.contact-info h3 {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  color: var(--white);
  margin-bottom: 12px;
}

.contact-info > p {
  color: var(--gray-400);
  margin-bottom: 32px;
}

.contact-items {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

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

.contact-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(200, 150, 62, 0.1);
  border-radius: var(--radius-sm);
  color: var(--gold);
}

.contact-item strong {
  display: block;
  color: var(--white);
  font-size: 0.9rem;
  margin-bottom: 4px;
}

.contact-item p {
  font-size: 0.85rem;
  color: var(--gray-400);
  line-height: 1.5;
}

.contact-item a {
  color: var(--gold);
}

.contact-social {
  display: flex;
  gap: 16px;
  margin-top: 32px;
}

.social-link {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--black-light);
  border: 1px solid var(--gray-700);
  border-radius: var(--radius-sm);
  color: var(--gold);
  transition: all var(--transition);
}

.social-link:hover {
  background: var(--gold);
  color: var(--black);
  border-color: var(--gold);
  transform: translateY(-4px);
}

.contact-map {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--gray-800);
}

.map-wrapper {
  width: 100%;
  height: 100%;
  min-height: 400px;
}

.map-wrapper iframe {
  width: 100%;
  height: 100%;
  filter: grayscale(0.8) contrast(1.1);
  transition: filter var(--transition);
}

.map-wrapper:hover iframe {
  filter: grayscale(0) contrast(1);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--black);
  border-top: 1px solid var(--gray-800);
  padding: 64px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  padding-bottom: 48px;
}

.footer-brand p {
  margin-top: 16px;
  font-size: 0.9rem;
  color: var(--gray-400);
  line-height: 1.6;
}

.footer-logo {
  display: flex;
  align-items: center;
}

.footer-logo-img {
  height: 64px;
  width: auto;
}

.footer-links h4,
.footer-contact h4 {
  font-family: var(--font-heading);
  font-size: 1rem;
  color: var(--gold);
  margin-bottom: 20px;
}

.footer-links ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: 0.85rem;
  color: var(--gray-400);
  transition: all var(--transition);
}

.footer-links a:hover {
  color: var(--gold);
  padding-left: 8px;
}

.footer-contact p {
  font-size: 0.85rem;
  color: var(--gray-400);
  margin-bottom: 6px;
}

.footer-contact a {
  color: var(--gold);
}

.footer-bottom {
  border-top: 1px solid var(--gray-800);
  padding: 24px 0;
  text-align: center;
}

.footer-bottom p {
  font-size: 0.8rem;
  color: var(--gray-500);
}

/* ============================================
   WHATSAPP FLOAT
   ============================================ */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 56px;
  height: 56px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 999;
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4);
  transition: all var(--transition);
  animation: whatsappPulse 2s infinite;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 24px rgba(37, 211, 102, 0.5);
}

@keyframes whatsappPulse {
  0%, 100% {
    box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4);
  }
  50% {
    box-shadow: 0 4px 24px rgba(37, 211, 102, 0.6);
  }
}

/* ============================================
   SCROLL ANIMATIONS
   ============================================ */
.fade-up,
.fade-left,
.fade-right {
  opacity: 0;
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.fade-up {
  transform: translateY(40px);
}

.fade-left {
  transform: translateX(-40px);
}

.fade-right {
  transform: translateX(40px);
}

.fade-up.visible,
.fade-left.visible,
.fade-right.visible {
  opacity: 1;
  transform: translate(0);
}

.delay-1 { transition-delay: 0.15s; }
.delay-2 { transition-delay: 0.3s; }
.delay-3 { transition-delay: 0.45s; }
.delay-4 { transition-delay: 0.6s; }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .about-img-wrapper img {
    height: 400px;
  }

  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .promos-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }

  .testimonials-grid {
    grid-template-columns: 1fr;
    max-width: 600px;
    margin: 0 auto;
  }

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    grid-auto-rows: 240px;
  }

  .gallery-large {
    grid-column: span 2;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: rgba(10, 10, 10, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 100px 32px 32px;
    gap: 4px;
    transition: right var(--transition);
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.5);
  }

  .nav-menu.active {
    right: 0;
  }

  .nav-toggle {
    display: flex;
  }

  .hero-stats {
    gap: 24px;
  }

  .stat-number {
    font-size: 2rem;
  }

  .stat-divider {
    height: 32px;
  }

  .section {
    padding: 72px 0;
  }

  .products-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin: 0 auto;
  }

  .gallery-grid {
    grid-template-columns: 1fr;
    grid-auto-rows: 220px;
  }

  .gallery-large {
    grid-column: span 1;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .about-experience {
    right: 16px;
    bottom: -16px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .hero-cta {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    max-width: 280px;
  }

  .hero-stats {
    flex-direction: column;
    gap: 16px;
  }

  .stat-divider {
    width: 40px;
    height: 1px;
  }

  .about-img-wrapper img {
    height: 300px;
  }

  .section-title {
    font-size: 1.8rem;
  }
}