/* ========================================
   Meridian Beauty Lab — PWA Styles
   Colors: Emerald #0C3B2E, Gold #C5A55A, Rose #D4A0A0
   ======================================== */

:root {
  --emerald: #0C3B2E;
  --emerald-light: #145A44;
  --emerald-dark: #082A20;
  --gold: #C5A55A;
  --gold-light: #D4B76A;
  --gold-dark: #A88B3D;
  --rose: #D4A0A0;
  --rose-light: #E8C4C4;
  --rose-dark: #B87878;
  --black: #0A0A0A;
  --white: #FAFAF8;
  --gray-100: #F5F5F3;
  --gray-200: #E8E6E3;
  --gray-300: #D1CFC9;
  --gray-600: #6B6860;
  --gray-800: #2D2B28;
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 4px 20px rgba(0,0,0,0.08);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.12);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  font-family: var(--font-body);
  color: var(--gray-800);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; }
a { text-decoration: none; color: inherit; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* ===== PRELOADER ===== */
#preloader {
  position: fixed; inset: 0; z-index: 9999;
  background: var(--emerald-dark);
  display: flex; align-items: center; justify-content: center;
  transition: opacity 0.5s, visibility 0.5s;
}
#preloader.hidden { opacity: 0; visibility: hidden; pointer-events: none; }
.preloader-inner { text-align: center; }
.preloader-logo {
  font-family: var(--font-display); font-size: 2.5rem; font-weight: 700;
  color: var(--gold); letter-spacing: 8px;
}
.preloader-sub {
  font-family: var(--font-display); font-size: 1rem;
  color: var(--gold-light); letter-spacing: 6px; margin-top: 4px;
}
.preloader-bar {
  width: 200px; height: 2px; background: rgba(255,255,255,0.1);
  margin: 24px auto 0; border-radius: 2px; overflow: hidden;
}
.preloader-fill {
  height: 100%; width: 0; background: var(--gold);
  animation: preloaderFill 1.5s ease-out forwards;
}
@keyframes preloaderFill { to { width: 100%; } }

/* ===== NAVBAR ===== */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 16px 0; transition: var(--transition);
}
.navbar.scrolled {
  background: rgba(12, 59, 46, 0.95); backdrop-filter: blur(20px);
  padding: 10px 0; box-shadow: 0 2px 20px rgba(0,0,0,0.2);
}
.nav-container {
  max-width: 1200px; margin: 0 auto; padding: 0 20px;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-logo { display: flex; align-items: center; }
.nav-logo-img { height: 50px; width: auto; transition: var(--transition); }
.navbar.scrolled .nav-logo-img { height: 40px; }
.nav-menu {
  display: flex; align-items: center; gap: 8px; list-style: none;
}
.nav-link {
  color: rgba(255,255,255,0.8); font-size: 0.85rem; font-weight: 500;
  padding: 8px 14px; border-radius: 8px; transition: var(--transition);
  letter-spacing: 0.3px;
}
.nav-link:hover { color: var(--gold); background: rgba(197,165,90,0.1); }
.nav-cta {
  background: var(--gold) !important; color: var(--emerald-dark) !important;
  font-weight: 600; border-radius: 30px; padding: 10px 20px !important;
}
.nav-cta:hover { background: var(--gold-light) !important; transform: translateY(-1px); }
.nav-toggle { display: none; flex-direction: column; gap: 5px; padding: 8px; }
.nav-toggle span {
  width: 24px; height: 2px; background: var(--gold); transition: var(--transition);
}

/* ===== 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-gradient {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, var(--emerald-dark) 0%, var(--emerald) 40%, #1a5c47 70%, var(--emerald-dark) 100%);
}
.hero-gradient::after {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse at 30% 50%, rgba(197,165,90,0.08) 0%, transparent 60%),
              radial-gradient(ellipse at 70% 30%, rgba(212,160,160,0.06) 0%, transparent 50%);
}
.hero-particles {
  position: absolute; inset: 0; overflow: hidden;
}
.hero-particle {
  position: absolute; width: 4px; height: 4px; background: var(--gold);
  border-radius: 50%; opacity: 0; animation: particleFloat 6s infinite;
}
@keyframes particleFloat {
  0% { opacity: 0; transform: translateY(100vh) scale(0); }
  10% { opacity: 0.6; }
  90% { opacity: 0.6; }
  100% { opacity: 0; transform: translateY(-10vh) scale(1); }
}
.hero-content {
  position: relative; z-index: 1; text-align: center; padding: 120px 20px 80px;
}
.hero-badge {
  display: inline-block; padding: 6px 18px; border: 1px solid rgba(197,165,90,0.4);
  border-radius: 30px; color: var(--gold-light); font-size: 0.75rem;
  letter-spacing: 2px; text-transform: uppercase; margin-bottom: 24px;
  backdrop-filter: blur(10px); background: rgba(197,165,90,0.05);
}
.hero-logo-wrap { margin-bottom: 20px; }
.hero-logo-img { max-width: 340px; width: 80vw; height: auto; }
.hero-subtitle {
  font-family: var(--font-display); font-size: clamp(1rem, 2vw, 1.3rem);
  color: var(--rose-light); letter-spacing: 3px; margin-bottom: 8px;
}
.hero-tagline {
  font-size: 0.95rem; color: rgba(255,255,255,0.6); margin-bottom: 36px;
}
.hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-bottom: 48px; }
.hero-stats {
  display: flex; gap: 48px; justify-content: center; flex-wrap: wrap;
}
.stat { text-align: center; }
.stat-number {
  display: block; font-family: var(--font-display); font-size: 2rem;
  font-weight: 700; color: var(--gold);
}
.stat-label { font-size: 0.75rem; color: rgba(255,255,255,0.5); letter-spacing: 1px; text-transform: uppercase; }
.hero-scroll {
  position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%);
  color: rgba(255,255,255,0.4); font-size: 0.75rem; text-align: center;
  animation: scrollBounce 2s infinite;
}
.hero-scroll i { display: block; margin-top: 6px; }
@keyframes scrollBounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 28px; border-radius: 30px; font-size: 0.9rem;
  font-weight: 600; transition: var(--transition); letter-spacing: 0.5px;
}
.btn-primary {
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: var(--emerald-dark); box-shadow: 0 4px 15px rgba(197,165,90,0.3);
}
.btn-primary:hover {
  transform: translateY(-2px); box-shadow: 0 8px 25px rgba(197,165,90,0.4);
}
.btn-outline {
  border: 1.5px solid rgba(255,255,255,0.3); color: var(--white);
  background: rgba(255,255,255,0.05); backdrop-filter: blur(10px);
}
.btn-outline:hover { border-color: var(--gold); color: var(--gold); }
.btn-lg { padding: 16px 36px; font-size: 1rem; }
.btn-sm { padding: 8px 16px; font-size: 0.8rem; }

/* ===== SECTIONS ===== */
.section { padding: 100px 0; }
.section-header { text-align: center; margin-bottom: 60px; }
.section-tag {
  display: inline-block; font-size: 0.75rem; font-weight: 600;
  color: var(--gold); letter-spacing: 3px; text-transform: uppercase;
  margin-bottom: 12px;
}
.section-title {
  font-family: var(--font-display); font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700; color: var(--emerald-dark); margin-bottom: 16px;
}
.section-desc {
  font-size: 1rem; color: var(--gray-600); max-width: 600px; margin: 0 auto;
}

/* ===== ABOUT ===== */
.about { background: var(--gray-100); }
.about-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px; margin-bottom: 40px;
}
.about-card {
  background: var(--white); padding: 36px 28px; border-radius: var(--radius-lg);
  text-align: center; transition: var(--transition); box-shadow: var(--shadow);
}
.about-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.about-icon {
  width: 60px; height: 60px; border-radius: 50%; margin: 0 auto 16px;
  background: linear-gradient(135deg, var(--emerald), var(--emerald-light));
  display: flex; align-items: center; justify-content: center;
  color: var(--gold); font-size: 1.4rem;
}
.about-card h3 {
  font-family: var(--font-display); font-size: 1.2rem; color: var(--emerald-dark);
  margin-bottom: 8px;
}
.about-card p { font-size: 0.9rem; color: var(--gray-600); }
.about-features {
  display: flex; flex-wrap: wrap; gap: 16px; justify-content: center;
}
.feature {
  display: flex; align-items: center; gap: 8px; font-size: 0.85rem;
  color: var(--emerald); font-weight: 500;
  background: var(--white); padding: 10px 18px; border-radius: 30px;
  box-shadow: var(--shadow);
}
.feature i { color: var(--gold); }

/* ===== SERVICES ===== */
.services { background: var(--white); }
.menu-tabs {
  display: flex; justify-content: center; gap: 8px; margin-bottom: 40px; flex-wrap: wrap;
}
.menu-tab {
  padding: 12px 24px; border-radius: 30px; font-size: 0.85rem; font-weight: 600;
  color: var(--gray-600); background: var(--gray-100); transition: var(--transition);
  display: flex; align-items: center; gap: 8px;
}
.menu-tab:hover { color: var(--emerald); background: var(--gray-200); }
.menu-tab.active {
  background: var(--emerald); color: var(--gold); box-shadow: 0 4px 15px rgba(12,59,46,0.3);
}
.services-content { animation: fadeIn 0.4s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

.category-section { margin-bottom: 40px; }
.category-title {
  font-family: var(--font-display); font-size: 1.4rem; color: var(--emerald-dark);
  margin-bottom: 20px; padding-bottom: 10px;
  border-bottom: 2px solid var(--gold); display: inline-block;
}
.services-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 20px;
}
.service-card {
  background: var(--white); border: 1px solid var(--gray-200);
  border-radius: var(--radius); padding: 24px; transition: var(--transition);
  position: relative; overflow: hidden;
}
.service-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--emerald)); opacity: 0;
  transition: var(--transition);
}
.service-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); border-color: var(--gold); }
.service-card:hover::before { opacity: 1; }
.service-name {
  font-family: var(--font-display); font-size: 1.1rem; font-weight: 600;
  color: var(--emerald-dark); margin-bottom: 2px;
}
.service-subtitle { font-size: 0.8rem; color: var(--gold-dark); font-weight: 600; margin-bottom: 8px; }
.service-desc { font-size: 0.85rem; color: var(--gray-600); margin-bottom: 12px; line-height: 1.5; }
.service-meta {
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px;
}
.service-price {
  font-family: var(--font-display); font-size: 1rem; font-weight: 700; color: var(--emerald);
}
.service-sessions { font-size: 0.75rem; color: var(--gray-600); }
.service-cta {
  display: inline-flex; align-items: center; gap: 6px; font-size: 0.8rem;
  color: var(--gold-dark); font-weight: 600; margin-top: 12px; transition: var(--transition);
}
.service-cta:hover { color: var(--emerald); }

/* ===== AI ANALYSIS ===== */
.ai-section {
  background: linear-gradient(135deg, var(--emerald-dark) 0%, var(--emerald) 50%, #1a5c47 100%);
  color: var(--white);
}
.ai-section .section-tag { color: var(--gold-light); }
.ai-section .section-title { color: var(--white); }
.ai-section .section-desc { color: rgba(255,255,255,0.7); }

.ai-step { display: none; animation: fadeIn 0.5s ease; }
.ai-step.active { display: block; }

.ai-start-card {
  max-width: 500px; margin: 0 auto; text-align: center;
  background: rgba(255,255,255,0.05); border: 1px solid rgba(197,165,90,0.2);
  border-radius: var(--radius-lg); padding: 48px 36px;
  backdrop-filter: blur(20px);
}
.ai-icon-large {
  width: 80px; height: 80px; border-radius: 50%; margin: 0 auto 20px;
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  display: flex; align-items: center; justify-content: center;
  font-size: 2rem; color: var(--emerald-dark);
}
.ai-start-card h3 {
  font-family: var(--font-display); font-size: 1.5rem; margin-bottom: 12px;
}
.ai-start-card p { font-size: 0.9rem; color: rgba(255,255,255,0.7); margin-bottom: 24px; }
.ai-features-list {
  list-style: none; text-align: left; margin-bottom: 28px;
}
.ai-features-list li {
  padding: 8px 0; font-size: 0.9rem; color: rgba(255,255,255,0.8);
  display: flex; align-items: center; gap: 12px;
}
.ai-features-list i { color: var(--gold); width: 20px; }

/* Camera */
.ai-camera-wrap { max-width: 500px; margin: 0 auto; text-align: center; }
.camera-frame {
  position: relative; border-radius: var(--radius-lg); overflow: hidden;
  background: #000; aspect-ratio: 3/4; max-height: 60vh;
  border: 2px solid rgba(197,165,90,0.3);
}
.camera-frame video { width: 100%; height: 100%; object-fit: cover; transform: scaleX(-1); }
.camera-overlay { position: absolute; inset: 0; pointer-events: none; }
.face-guide {
  position: absolute; top: 10%; left: 15%; right: 15%; bottom: 20%;
  border: 2px dashed rgba(197,165,90,0.4); border-radius: 50%;
}
.scan-line {
  position: absolute; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  animation: scanMove 2.5s infinite;
}
@keyframes scanMove {
  0% { top: 10%; opacity: 0; } 10% { opacity: 1; } 90% { opacity: 1; } 100% { top: 80%; opacity: 0; }
}
.camera-badge {
  position: absolute; top: 16px; left: 16px; background: rgba(0,0,0,0.6);
  color: var(--white); font-size: 0.75rem; padding: 6px 12px; border-radius: 20px;
  backdrop-filter: blur(10px);
}
.text-red { color: #ff4444; }
.blink { animation: blink 1s infinite; }
@keyframes blink { 50% { opacity: 0.3; } }
.camera-instruction { font-size: 0.85rem; color: rgba(255,255,255,0.6); margin: 16px 0; }

/* Questionnaire */
.ai-questionnaire {
  max-width: 700px; margin: 0 auto;
  background: rgba(255,255,255,0.05); border: 1px solid rgba(197,165,90,0.15);
  border-radius: var(--radius-lg); padding: 36px; backdrop-filter: blur(20px);
}
.captured-preview {
  position: relative; width: 120px; height: 120px; margin: 0 auto 20px;
  border-radius: 50%; overflow: hidden; border: 3px solid var(--gold);
}
.captured-preview img { width: 100%; height: 100%; object-fit: cover; transform: scaleX(-1); }
.ai-badge {
  position: absolute; bottom: -4px; left: 50%; transform: translateX(-50%);
  background: var(--emerald); color: var(--gold); font-size: 0.65rem;
  padding: 3px 10px; border-radius: 20px; white-space: nowrap;
}
.ai-questionnaire h3 {
  font-family: var(--font-display); font-size: 1.3rem; text-align: center; margin-bottom: 8px;
}
.ai-questionnaire > p { text-align: center; font-size: 0.85rem; color: rgba(255,255,255,0.6); margin-bottom: 28px; }

.concern-zone { margin-bottom: 24px; }
.concern-zone h4 {
  font-size: 0.85rem; color: var(--gold); margin-bottom: 12px;
  display: flex; align-items: center; gap: 8px;
}
.concern-grid { display: flex; flex-wrap: wrap; gap: 8px; }
.concern-chip {
  padding: 8px 16px; border-radius: 30px; font-size: 0.8rem;
  background: rgba(255,255,255,0.08); color: rgba(255,255,255,0.7);
  border: 1px solid rgba(255,255,255,0.1); cursor: pointer;
  transition: var(--transition); user-select: none;
}
.concern-chip:hover { border-color: var(--gold); color: var(--gold); }
.concern-chip.selected {
  background: var(--gold); color: var(--emerald-dark);
  border-color: var(--gold); font-weight: 600;
}

/* Results */
.ai-results { max-width: 900px; margin: 0 auto; }
.results-header { text-align: center; margin-bottom: 32px; }
.results-header h3 { font-family: var(--font-display); font-size: 1.5rem; margin-bottom: 4px; }
.results-header p { font-size: 0.9rem; color: rgba(255,255,255,0.6); }
.results-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px;
  margin-bottom: 32px;
}
.result-card {
  background: rgba(255,255,255,0.08); border: 1px solid rgba(197,165,90,0.2);
  border-radius: var(--radius); padding: 24px; backdrop-filter: blur(10px);
  transition: var(--transition);
}
.result-card:hover { border-color: var(--gold); transform: translateY(-2px); }
.result-badge {
  display: inline-block; padding: 4px 10px; border-radius: 20px; font-size: 0.65rem;
  font-weight: 600; background: rgba(197,165,90,0.2); color: var(--gold-light);
  margin-bottom: 10px; text-transform: uppercase; letter-spacing: 1px;
}
.result-card h4 { font-family: var(--font-display); font-size: 1.05rem; margin-bottom: 2px; }
.result-card .result-sub { font-size: 0.8rem; color: var(--gold); margin-bottom: 8px; }
.result-card p { font-size: 0.82rem; color: rgba(255,255,255,0.6); line-height: 1.5; }
.result-card .result-price {
  margin-top: 10px; font-family: var(--font-display); font-weight: 700;
  color: var(--gold-light); font-size: 0.95rem;
}
.results-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ===== GALLERY ===== */
.gallery-section { background: var(--gray-100); }
.gallery-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); grid-auto-rows: 200px; gap: 16px;
}
.gallery-item { border-radius: var(--radius); overflow: hidden; }
.gallery-item.large { grid-column: span 2; grid-row: span 2; }
.gallery-placeholder {
  width: 100%; height: 100%;
  background: linear-gradient(135deg, var(--emerald), var(--emerald-light));
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  color: var(--gold); gap: 8px; transition: var(--transition);
}
.gallery-placeholder i { font-size: 2rem; }
.gallery-placeholder span { font-size: 0.8rem; letter-spacing: 1px; }
.gallery-item:hover .gallery-placeholder { background: linear-gradient(135deg, var(--emerald-light), var(--emerald)); }

/* ===== TESTIMONIALS ===== */
.testimonials { background: var(--white); }
.testimonials-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px;
}
.testimonial-card {
  background: var(--gray-100); border-radius: var(--radius-lg); padding: 32px;
  border-left: 4px solid var(--gold);
}
.testimonial-stars { color: var(--gold); margin-bottom: 12px; font-size: 0.85rem; }
.testimonial-card p { font-size: 0.95rem; font-style: italic; color: var(--gray-800); margin-bottom: 16px; line-height: 1.6; }
.testimonial-author { font-size: 0.8rem; color: var(--gray-600); font-weight: 600; }

/* ===== CONTACT ===== */
.contact { background: var(--gray-100); }
.contact-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 40px; align-items: start; }
.contact-info { display: flex; flex-direction: column; gap: 16px; }
.contact-card {
  display: flex; align-items: start; gap: 16px; background: var(--white);
  padding: 20px; border-radius: var(--radius); box-shadow: var(--shadow);
}
.contact-card > i {
  width: 40px; height: 40px; border-radius: 50%; flex-shrink: 0;
  background: var(--emerald); color: var(--gold); font-size: 1rem;
  display: flex; align-items: center; justify-content: center;
}
.contact-card h4 { font-size: 0.85rem; color: var(--emerald-dark); margin-bottom: 2px; }
.contact-card p { font-size: 0.85rem; color: var(--gray-600); }
.contact-card a { color: var(--emerald); font-weight: 500; }
.contact-card a:hover { color: var(--gold-dark); }
.contact-social { display: flex; gap: 12px; margin-top: 8px; }
.contact-social a {
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--emerald); color: var(--gold); font-size: 1.2rem;
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition);
}
.contact-social a:hover { background: var(--gold); color: var(--emerald-dark); transform: translateY(-2px); }

/* ===== FOOTER ===== */
.footer {
  background: var(--emerald-dark); color: rgba(255,255,255,0.7); padding: 60px 0 30px;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; margin-bottom: 40px;
}
.footer-logo-img { height: 70px; width: auto; margin-bottom: 8px; }
.footer-brand p { font-size: 0.85rem; margin-top: 12px; line-height: 1.6; }
.footer-links h4 { color: var(--gold); font-size: 0.85rem; margin-bottom: 16px; letter-spacing: 1px; }
.footer-links a {
  display: block; font-size: 0.85rem; padding: 4px 0; transition: var(--transition);
}
.footer-links a:hover { color: var(--gold); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1); padding-top: 20px; text-align: center;
  font-size: 0.8rem;
}
.footer-lgbtq { margin-top: 8px; color: var(--rose); }
.footer-lgbtq i { color: var(--rose); }

/* ===== WHATSAPP FLOAT ===== */
.whatsapp-float {
  position: fixed; bottom: 24px; right: 24px; z-index: 999;
  width: 60px; height: 60px; border-radius: 50%;
  background: #25D366; color: white; font-size: 1.8rem;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,0.4);
  transition: var(--transition); animation: whatsappPulse 2s infinite;
}
.whatsapp-float:hover { transform: scale(1.1); box-shadow: 0 6px 30px rgba(37,211,102,0.5); }
.whatsapp-tooltip {
  position: absolute; right: 70px; top: 50%; transform: translateY(-50%);
  background: var(--white); color: var(--gray-800); padding: 8px 16px;
  border-radius: 8px; font-size: 0.8rem; font-weight: 600;
  white-space: nowrap; box-shadow: var(--shadow); opacity: 0;
  pointer-events: none; transition: var(--transition);
}
.whatsapp-float:hover .whatsapp-tooltip { opacity: 1; }
@keyframes whatsappPulse {
  0%, 100% { box-shadow: 0 4px 20px rgba(37,211,102,0.4); }
  50% { box-shadow: 0 4px 30px rgba(37,211,102,0.6), 0 0 0 10px rgba(37,211,102,0.1); }
}

/* ===== INSTALL BANNER ===== */
.install-banner {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 998;
  background: var(--emerald-dark); border-top: 1px solid rgba(197,165,90,0.3);
  padding: 12px 20px; animation: slideUp 0.4s ease;
}
@keyframes slideUp { from { transform: translateY(100%); } to { transform: translateY(0); } }
.install-content {
  max-width: 600px; margin: 0 auto; display: flex; align-items: center; gap: 12px;
}
.install-content > i { color: var(--gold); font-size: 1.5rem; }
.install-content div { flex: 1; }
.install-content strong { color: var(--white); font-size: 0.85rem; display: block; }
.install-content p { color: rgba(255,255,255,0.6); font-size: 0.75rem; margin: 0; }
.install-close { color: rgba(255,255,255,0.5); font-size: 1.4rem; padding: 4px 8px; }

/* ===== MOBILE ===== */
@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .nav-menu {
    position: fixed; top: 0; right: -100%; width: 280px; height: 100vh;
    background: var(--emerald-dark); flex-direction: column; padding: 80px 24px 40px;
    gap: 4px; transition: var(--transition); box-shadow: -10px 0 30px rgba(0,0,0,0.3);
  }
  .nav-menu.active { right: 0; }
  .nav-link { width: 100%; padding: 12px 16px; }

  .hero-stats { gap: 24px; }
  .stat-number { font-size: 1.5rem; }

  .about-grid { grid-template-columns: 1fr 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .gallery-grid { grid-template-columns: 1fr 1fr; grid-auto-rows: 150px; }
  .gallery-item.large { grid-column: span 2; }

  .menu-tabs { gap: 6px; }
  .menu-tab { padding: 10px 16px; font-size: 0.8rem; }

  .whatsapp-float { bottom: 80px; }
}

@media (max-width: 480px) {
  .about-grid { grid-template-columns: 1fr; }
  .hero-title-main { letter-spacing: 6px; }
  .gallery-grid { grid-template-columns: 1fr; }
  .gallery-item.large { grid-column: span 1; grid-row: span 1; }
}

/* ===== ANIMATIONS ===== */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }