/* ===== VARIABLES ===== */
:root {
  --primary: #b45309;
  --primary-dark: #92400e;
  --primary-light: #d97706;
  --secondary: #78350f;
  --accent: #f59e0b;
  
  --dark: #0f172a;
  --dark-light: #1e293b;
  --dark-lighter: #334155;
  
  --white: #ffffff;
  --light: #faf8f5;
  --gray: #94a3b8;
  --gray-dark: #64748b;
  
  --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  --gradient-overlay: linear-gradient(135deg, rgba(180, 83, 9, 0.05) 0%, rgba(245, 158, 11, 0.05) 100%);
  
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Outfit', var(--font-primary);
  
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.16);
  
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== RESET & BASE ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-primary);
  color: var(--dark);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

button {
  font-family: inherit;
  border: none;
  cursor: pointer;
  transition: var(--transition);
}

/* ===== UTILITIES ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-accent {
  color: var(--accent);
}

/* ===== BUTTONS ===== */
.btn-primary,
.btn-secondary,
.btn-outline {
  padding: 0.875rem 1.75rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.938rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--white);
  box-shadow: 0 4px 16px rgba(180, 83, 9, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(180, 83, 9, 0.4);
}

.btn-secondary {
  background: rgba(180, 83, 9, 0.1);
  color: var(--primary);
  border: 1px solid rgba(180, 83, 9, 0.2);
}

.btn-secondary:hover {
  background: rgba(180, 83, 9, 0.15);
  border-color: rgba(180, 83, 9, 0.3);
}

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

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

.btn-block {
  width: 100%;
  justify-content: center;
}

/* ===== HEADER ===== */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
  transition: var(--transition);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--dark);
}

.logo i {
  font-size: 2rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav {
  display: flex;
  gap: 2rem;
}

.nav a {
  font-weight: 500;
  font-size: 0.938rem;
  color: var(--dark-lighter);
  position: relative;
}

.nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: var(--transition);
}

.nav a:hover {
  color: var(--primary);
}

.nav a:hover::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.menu-toggle {
  display: none;
  background: transparent;
  color: var(--dark);
  font-size: 1.5rem;
  padding: 0.5rem;
}

/* ===== HERO ===== */
.hero {
  position: relative;
  padding: 6rem 0 4rem;
  overflow: hidden;
  background: linear-gradient(180deg, rgba(180, 83, 9, 0.03) 0%, rgba(255, 255, 255, 1) 100%);
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  opacity: 0.5;
}

.hero-bg::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(180, 83, 9, 0.12) 0%, transparent 70%);
  border-radius: 50%;
  animation: float 20s ease-in-out infinite;
}

.hero-bg::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -5%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.10) 0%, transparent 70%);
  border-radius: 50%;
  animation: float 25s ease-in-out infinite reverse;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(30px, -30px) scale(1.1); }
}

.hero-content {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: rgba(180, 83, 9, 0.1);
  color: var(--primary);
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.875rem;
  margin-bottom: 1.5rem;
}

.hero-badge i {
  font-size: 1rem;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  color: var(--dark);
}

.hero p {
  font-size: 1.125rem;
  color: var(--gray-dark);
  margin-bottom: 2rem;
  line-height: 1.7;
}

.hero-ctas {
  display: flex;
  gap: 1rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}

.hero-features {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--dark-lighter);
  font-size: 0.938rem;
  font-weight: 500;
}

.feature-item i {
  color: var(--primary);
  font-size: 1.125rem;
}

.hero-image {
  position: relative;
}

.image-card {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.image-card img {
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius-xl);
}

.floating-badge {
  position: absolute;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  padding: 1rem 1.25rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  animation: fadeInUp 0.8s ease-out forwards;
}

.floating-badge i {
  font-size: 1.5rem;
  color: var(--primary);
}

.floating-badge strong {
  display: block;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--dark);
}

.floating-badge span {
  display: block;
  font-size: 0.813rem;
  color: var(--gray-dark);
}

.badge-1 {
  top: 10%;
  left: -5%;
  animation-delay: 0.2s;
}

.badge-2 {
  bottom: 10%;
  right: -5%;
  animation-delay: 0.4s;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== SECTIONS ===== */
section {
  padding: 5rem 0;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 3.5rem;
}

.section-badge {
  display: inline-block;
  padding: 0.5rem 1.25rem;
  background: var(--gradient-overlay);
  color: var(--primary);
  border: 1px solid rgba(180, 83, 9, 0.2);
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.875rem;
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.section-header h2 {
  font-family: var(--font-display);
  font-size: 2.75rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1rem;
  color: var(--dark);
}

.section-header p {
  font-size: 1.125rem;
  color: var(--gray-dark);
  line-height: 1.7;
}

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

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.service-card {
  position: relative;
  background: var(--white);
  padding: 2rem;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 1px solid rgba(15, 23, 42, 0.08);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(180, 83, 9, 0.3);
}

.service-card.featured {
  border: 2px solid var(--primary);
  background: linear-gradient(135deg, rgba(180, 83, 9, 0.04) 0%, rgba(245, 158, 11, 0.04) 100%);
}

.popular-badge {
  position: absolute;
  top: -12px;
  right: 20px;
  background: var(--gradient-primary);
  color: var(--white);
  padding: 0.375rem 0.875rem;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.service-icon {
  width: 64px;
  height: 64px;
  background: var(--gradient-primary);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  box-shadow: 0 8px 24px rgba(180, 83, 9, 0.25);
}

.service-icon i {
  font-size: 1.75rem;
  color: var(--white);
}

.service-card h3 {
  font-family: var(--font-display);
  font-size: 1.375rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--dark);
}

.service-card > p {
  color: var(--gray-dark);
  margin-bottom: 1.25rem;
  line-height: 1.7;
}

.service-features {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.service-features li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--dark-lighter);
  font-size: 0.938rem;
}

.service-features i {
  color: var(--primary);
  font-size: 0.875rem;
}

/* ===== GALLERY ===== */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 1;
}

.gallery-item.gallery-large {
  grid-row: span 2;
  aspect-ratio: auto;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

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

.gallery-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 1.5rem;
  background: linear-gradient(transparent, rgba(15, 23, 42, 0.8));
  opacity: 0;
  transition: var(--transition);
}

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

.gallery-overlay span {
  color: var(--white);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.125rem;
}

/* ===== TEAM ===== */
.team {
  background: var(--light);
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.team-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  border: 1px solid rgba(15, 23, 42, 0.08);
}

.team-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.team-image {
  position: relative;
  height: 320px;
  overflow: hidden;
}

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

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

.team-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 48px;
  height: 48px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
}

.team-badge i {
  color: var(--primary);
  font-size: 1.25rem;
}

.team-content {
  padding: 1.75rem;
}

.team-content h3 {
  font-family: var(--font-display);
  font-size: 1.375rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
  color: var(--dark);
}

.team-role {
  color: var(--primary);
  font-weight: 600;
  font-size: 0.938rem;
  margin-bottom: 0.25rem;
}

.team-specialty {
  color: var(--gray-dark);
  font-size: 0.938rem;
  margin-bottom: 1rem;
}

.team-stats {
  display: flex;
  gap: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(15, 23, 42, 0.08);
}

.team-stats span {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  color: var(--dark-lighter);
  font-size: 0.875rem;
  font-weight: 500;
}

.team-stats i {
  color: var(--primary);
}

/* ===== TESTIMONIALS ===== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.testimonial-card {
  background: var(--white);
  padding: 2rem;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  border: 1px solid rgba(15, 23, 42, 0.08);
}

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

.testimonial-rating {
  display: flex;
  gap: 0.25rem;
  margin-bottom: 1.25rem;
}

.testimonial-rating i {
  color: var(--accent);
  font-size: 1.125rem;
}

.testimonial-text {
  color: var(--dark-lighter);
  line-height: 1.7;
  margin-bottom: 1.5rem;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.author-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid var(--primary);
}

.author-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.author-info strong {
  display: block;
  color: var(--dark);
  font-weight: 600;
  margin-bottom: 0.125rem;
}

.author-info span {
  display: block;
  font-size: 0.875rem;
  color: var(--gray-dark);
}

/* ===== STATS ===== */
.stats {
  background: var(--gradient-primary);
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.stats::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('data:image/svg+xml,<svg width="40" height="40" xmlns="http://www.w3.org/2000/svg"><circle cx="1" cy="1" r="1" fill="rgba(255,255,255,0.1)"/></svg>');
  opacity: 0.3;
}

.stats-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2rem;
}

.stat-card {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 1.5rem;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(8px);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: var(--transition);
}

.stat-card:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: translateY(-4px);
}

.stat-icon {
  width: 56px;
  height: 56px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.stat-icon i {
  font-size: 1.75rem;
  color: var(--white);
}

.stat-number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 0.25rem;
}

.stat-number::after {
  content: '+';
  margin-left: 2px;
}

.stat-content p {
  font-size: 0.938rem;
  opacity: 0.9;
}

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

.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.contact-info .section-header {
  text-align: left;
  margin-bottom: 2.5rem;
}

.info-items {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.info-item {
  display: flex;
  gap: 1.25rem;
}

.info-icon {
  width: 48px;
  height: 48px;
  background: var(--gradient-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.info-icon i {
  color: var(--white);
  font-size: 1.25rem;
}

.info-content strong {
  display: block;
  color: var(--dark);
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.info-content a,
.info-content p {
  color: var(--gray-dark);
  font-size: 0.938rem;
}

.info-content a:hover {
  color: var(--primary);
}

/* ===== FORM ===== */
.contact-form-wrapper {
  background: var(--white);
  padding: 2.5rem;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(15, 23, 42, 0.08);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  color: var(--dark);
  font-size: 0.938rem;
}

.form-group label i {
  color: var(--primary);
  font-size: 0.875rem;
}

.form-group input,
.form-group textarea,
.form-group select {
  padding: 0.875rem 1.125rem;
  border: 1px solid rgba(15, 23, 42, 0.15);
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 0.938rem;
  transition: var(--transition);
  background: var(--white);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(180, 83, 9, 0.1);
}

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

/* ===== FOOTER ===== */
.footer {
  background: var(--dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 4rem 0 2rem;
}

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

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--white);
  margin-bottom: 1rem;
}

.footer-logo i {
  font-size: 2rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-col p {
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.footer-col h4 {
  color: var(--white);
  font-weight: 700;
  margin-bottom: 1.25rem;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-col ul li a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.938rem;
  transition: var(--transition);
}

.footer-col ul li a:hover {
  color: var(--primary-light);
  padding-left: 4px;
}

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.938rem;
}

.footer-contact i {
  color: var(--primary-light);
  margin-top: 2px;
}

.footer-hours li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.625rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-hours span {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.875rem;
}

.footer-hours strong {
  color: var(--white);
  font-weight: 600;
}

.social-links {
  display: flex;
  gap: 0.75rem;
}

.social-links a {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  transition: var(--transition);
}

.social-links a:hover {
  background: var(--gradient-primary);
  transform: translateY(-2px);
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

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

.footer-credit a {
  color: var(--primary-light);
  font-weight: 600;
}

.footer-credit a:hover {
  text-decoration: underline;
}

/* ===== FLOATING ELEMENTS ===== */
.whatsapp-float {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 999;
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.75rem;
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4);
  transition: var(--transition);
}

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

.back-to-top {
  position: fixed;
  bottom: 2rem;
  left: 2rem;
  z-index: 999;
  width: 48px;
  height: 48px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.25rem;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .hero-content,
  .contact-wrapper {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .hero-image {
    order: -1;
  }
  
  .footer-content {
    grid-template-columns: 1fr 1fr;
  }
  
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .gallery-item.gallery-large {
    grid-row: span 1;
  }
}

@media (max-width: 768px) {
  .nav {
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(12px);
    padding: 2rem;
    gap: 1.5rem;
    box-shadow: var(--shadow-lg);
    border-top: 1px solid rgba(15, 23, 42, 0.08);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
  }
  
  .nav.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  
  .menu-toggle {
    display: block;
  }
  
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .section-header h2 {
    font-size: 2rem;
  }
  
  .services-grid,
  .team-grid,
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
  
  .gallery-grid {
    grid-template-columns: 1fr 1fr;
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
  }
  
  .hero-ctas {
    flex-direction: column;
  }
  
  .hero-ctas .btn-primary,
  .hero-ctas .btn-outline {
    width: 100%;
    justify-content: center;
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .contact-form-wrapper {
    padding: 1.5rem;
  }
}

@media (max-width: 480px) {
  html {
    font-size: 14px;
  }
  
  .hero {
    padding: 4rem 0 3rem;
  }
  
  section {
    padding: 3rem 0;
  }
  
  .hero h1 {
    font-size: 2rem;
  }
  
  .gallery-grid {
    grid-template-columns: 1fr;
  }
  
  .gallery-item.gallery-large {
    aspect-ratio: 16/9;
  }
  
  .whatsapp-float {
    bottom: 1.5rem;
    right: 1.5rem;
    width: 52px;
    height: 52px;
  }
  
  .back-to-top {
    bottom: 1.5rem;
    left: 1.5rem;
  }
}