/*
Theme Name: David Preparações
Theme URI: https://davidpreparacoes.com.br
Author: David Preparações
Author URI: https://wa.me/5584988764066
Description: Tema premium para oficina especializada em preparação de motos
Version: 1.0.0
License: GPL v2 or later
Text Domain: david-preparacoes
*/

:root {
  --black: #0a0a0a;
  --dark: #111111;
  --graphite: #1a1a1a;
  --gray-dark: #2a2a2a;
  --gray-mid: #3a3a3a;
  --gray-light: #6a6a6a;
  --red: #dc2626;
  --red-dark: #b91c1c;
  --red-glow: rgba(220, 38, 38, 0.4);
  --white: #ffffff;
  --white-90: rgba(255, 255, 255, 0.9);
  --white-70: rgba(255, 255, 255, 0.7);
  --white-50: rgba(255, 255, 255, 0.5);
  --white-10: rgba(255, 255, 255, 0.1);
  --glass: rgba(17, 17, 17, 0.85);
  --glass-border: rgba(255, 255, 255, 0.08);
  --font-primary: 'Montserrat', sans-serif;
  --font-body: 'Inter', sans-serif;
  --transition: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.8);
  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.5);
}

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

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  font-family: var(--font-body);
  background: var(--black);
  color: var(--white-90);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

ul { list-style: none; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
  position: relative;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 16px;
}

.section-label::before,
.section-label::after {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--red);
}

.section-title {
  font-family: var(--font-primary);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 20px;
  text-transform: uppercase;
}

.section-title .highlight {
  color: var(--red);
}

.section-text {
  font-size: 1.05rem;
  color: var(--white-70);
  max-width: 600px;
  line-height: 1.8;
}

/* Particles Background */
#particles-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

/* Scrollbar */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--black); }
::-webkit-scrollbar-thumb { background: var(--gray-mid); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--red); }

/* ========== HEADER / NAV ========== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 20px 0;
  transition: var(--transition);
}

.header.scrolled {
  background: var(--glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  padding: 12px 0;
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-logo {
  font-family: var(--font-primary);
  font-size: 1.4rem;
  font-weight: 900;
  letter-spacing: 2px;
  color: var(--white);
}

.header-logo span { color: var(--red); }

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

.header-nav a {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--white-70);
  transition: var(--transition);
  position: relative;
}

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

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

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

.header-whatsapp {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--red);
  color: var(--white);
  padding: 10px 24px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  transition: var(--transition);
}

.header-whatsapp:hover {
  background: #ef4444;
  transform: scale(1.05);
  box-shadow: 0 0 30px var(--red-glow);
}

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

.header-hamburger span {
  width: 28px;
  height: 2px;
  background: var(--white);
  transition: var(--transition);
}

.header-hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.header-hamburger.active span:nth-child(2) { opacity: 0; }
.header-hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

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

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg,
    rgba(0, 0, 0, 0.95) 0%,
    rgba(0, 0, 0, 0.7) 40%,
    rgba(0, 0, 0, 0.5) 100%
  );
  z-index: 1;
}

.hero .container {
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  border: 1px solid var(--red);
  border-radius: 50px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 30px;
  animation: fadeInDown 0.8s ease;
}

.hero-title {
  font-family: var(--font-primary);
  font-size: clamp(3rem, 10vw, 7rem);
  font-weight: 900;
  line-height: 0.95;
  text-transform: uppercase;
  margin-bottom: 20px;
  animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-title .highlight {
  color: var(--red);
  text-shadow: 0 0 40px var(--red-glow);
}

.hero-subtitle {
  font-family: var(--font-primary);
  font-size: clamp(1rem, 2.5vw, 1.5rem);
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--white-70);
  margin-bottom: 16px;
  animation: fadeInUp 0.8s ease 0.4s both;
}

.hero-text {
  font-size: 1.05rem;
  color: var(--white-50);
  max-width: 540px;
  margin-bottom: 40px;
  line-height: 1.8;
  animation: fadeInUp 0.8s ease 0.6s both;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  animation: fadeInUp 0.8s ease 0.8s both;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 36px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--red);
  color: var(--white);
}

.btn-primary:hover {
  background: #ef4444;
  transform: translateY(-2px);
  box-shadow: 0 10px 40px var(--red-glow);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid var(--white-30);
}

.btn-outline:hover {
  border-color: var(--red);
  color: var(--red);
  transform: translateY(-2px);
  box-shadow: 0 10px 40px rgba(220, 38, 38, 0.15);
}

.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--white-50);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  animation: bounce 2s infinite;
}

.hero-scroll .mouse {
  width: 26px;
  height: 40px;
  border: 2px solid var(--white-30);
  border-radius: 13px;
  position: relative;
}

.hero-scroll .mouse::before {
  content: '';
  position: absolute;
  top: 6px;
  left: 50%;
  width: 4px;
  height: 8px;
  background: var(--red);
  border-radius: 2px;
  transform: translateX(-50%);
  animation: scrollDown 2s infinite;
}

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

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-image {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
}

.about-image img {
  width: 100%;
  height: 500px;
  object-fit: cover;
  border-radius: 12px;
}

.about-image::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, transparent 50%, rgba(220, 38, 38, 0.1));
  border-radius: 12px;
}

.about-experience {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background: var(--red);
  color: var(--white);
  padding: 24px 32px;
  border-radius: 12px;
  text-align: center;
}

.about-experience .number {
  font-family: var(--font-primary);
  font-size: 2.5rem;
  font-weight: 900;
  display: block;
  line-height: 1;
}

.about-experience .label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-top: 4px;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 40px;
}

.about-stat {
  text-align: center;
  padding: 20px;
  background: var(--graphite);
  border-radius: 12px;
  border: 1px solid var(--glass-border);
}

.about-stat .number {
  font-family: var(--font-primary);
  font-size: 1.8rem;
  font-weight: 900;
  color: var(--red);
  display: block;
}

.about-stat .label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--white-50);
  margin-top: 4px;
}

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

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 60px;
}

.service-card {
  position: relative;
  background: var(--graphite);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: 32px 28px;
  transition: var(--transition);
  cursor: pointer;
  overflow: hidden;
  z-index: 1;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(220, 38, 38, 0.05), transparent);
  opacity: 0;
  transition: var(--transition);
  z-index: -1;
}

.service-card:hover::before {
  opacity: 1;
}

.service-card:hover {
  border-color: rgba(220, 38, 38, 0.3);
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.service-card-icon {
  width: 56px;
  height: 56px;
  background: rgba(220, 38, 38, 0.1);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--red);
  margin-bottom: 20px;
  transition: var(--transition);
}

.service-card:hover .service-card-icon {
  background: var(--red);
  color: var(--white);
  transform: scale(1.1);
}

.service-card h3 {
  font-family: var(--font-primary);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.service-card p {
  font-size: 0.85rem;
  color: var(--white-50);
  line-height: 1.7;
}

.service-card .card-number {
  position: absolute;
  top: 16px;
  right: 20px;
  font-family: var(--font-primary);
  font-size: 3rem;
  font-weight: 900;
  color: var(--white-10);
  line-height: 1;
  transition: var(--transition);
}

.service-card:hover .card-number {
  color: rgba(220, 38, 38, 0.15);
}

/* ========== GALLERY ========== */
.gallery {
  background: var(--dark);
  overflow: hidden;
}

.gallery-slider {
  margin-top: 60px;
  position: relative;
}

.swiper-slide {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  aspect-ratio: 16/10;
  cursor: pointer;
}

.swiper-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.swiper-slide:hover img {
  transform: scale(1.08);
}

.swiper-slide::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to top, rgba(0,0,0,0.6), transparent);
  opacity: 0;
  transition: var(--transition);
}

.swiper-slide:hover::after {
  opacity: 1;
}

.gallery-nav {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
  margin-top: 32px;
}

.gallery-btn {
  width: 48px;
  height: 48px;
  border: 2px solid var(--gray-mid);
  border-radius: 50%;
  background: transparent;
  color: var(--white);
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.gallery-btn:hover {
  border-color: var(--red);
  color: var(--red);
  background: rgba(220, 38, 38, 0.1);
}

.gallery-pagination {
  display: flex;
  gap: 8px;
}

.gallery-pagination .swiper-pagination-bullet {
  width: 10px;
  height: 10px;
  background: var(--gray-mid);
  border-radius: 50%;
  opacity: 1;
  transition: var(--transition);
  cursor: pointer;
}

.gallery-pagination .swiper-pagination-bullet-active {
  width: 32px;
  border-radius: 5px;
  background: var(--red);
}

/* ========== PERFORMANCE ========== */
.performance {
  background: var(--black);
  position: relative;
}

.performance-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, transparent 0%, rgba(220, 38, 38, 0.03) 100%);
  z-index: 0;
}

.performance .container {
  position: relative;
  z-index: 1;
}

.performance-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  margin-top: 60px;
}

.performance-info {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.performance-card {
  background: var(--graphite);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: 32px 24px;
  text-align: center;
  transition: var(--transition);
}

.performance-card:hover {
  border-color: rgba(220, 38, 38, 0.3);
  transform: translateY(-4px);
}

.performance-card .icon {
  font-size: 2rem;
  color: var(--red);
  margin-bottom: 16px;
}

.performance-card .number {
  font-family: var(--font-primary);
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--white);
  display: block;
}

.performance-card .number .suffix {
  color: var(--red);
}

.performance-card .label {
  font-size: 0.8rem;
  color: var(--white-50);
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-top: 4px;
}

.performance-visual {
  position: relative;
  height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.performance-visual .circle {
  width: 280px;
  height: 280px;
  border: 2px solid rgba(220, 38, 38, 0.2);
  border-radius: 50%;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: pulse 3s ease-in-out infinite;
}

.performance-visual .circle::before {
  content: '';
  position: absolute;
  width: 200px;
  height: 200px;
  border: 1px solid rgba(220, 38, 38, 0.1);
  border-radius: 50%;
  animation: pulse 3s ease-in-out infinite 0.5s;
}

.performance-visual .circle-inner {
  width: 120px;
  height: 120px;
  background: rgba(220, 38, 38, 0.1);
  border: 2px solid var(--red);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-primary);
  font-size: 1.2rem;
  font-weight: 900;
  color: var(--red);
  text-align: center;
  text-transform: uppercase;
  line-height: 1.2;
  box-shadow: 0 0 60px var(--red-glow);
}

/* ========== REVIEWS ========== */
.reviews {
  background: var(--dark);
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
  margin-top: 60px;
}

.review-card {
  background: var(--graphite);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: 32px;
  transition: var(--transition);
}

.review-card:hover {
  border-color: rgba(220, 38, 38, 0.2);
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.review-stars {
  display: flex;
  gap: 4px;
  color: #fbbf24;
  font-size: 1rem;
  margin-bottom: 16px;
}

.review-text {
  font-size: 0.9rem;
  color: var(--white-70);
  line-height: 1.8;
  margin-bottom: 20px;
  font-style: italic;
}

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

.review-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--gray-mid);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--white-50);
}

.review-name {
  font-weight: 700;
  font-size: 0.9rem;
}

.review-source {
  font-size: 0.75rem;
  color: var(--white-50);
}

.review-google-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 40px;
  padding: 12px 24px;
  background: var(--graphite);
  border: 1px solid var(--glass-border);
  border-radius: 50px;
  font-size: 0.85rem;
  color: var(--white-70);
}

.review-google-badge i {
  color: #4285f4;
}

/* ========== STATS ========== */
.stats {
  background: var(--black);
  position: relative;
}

.stats::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(220, 38, 38, 0.03), transparent);
  z-index: 0;
}

.stats .container {
  position: relative;
  z-index: 1;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  margin-top: 60px;
}

.stat-item {
  text-align: center;
  padding: 40px 24px;
  background: var(--graphite);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.stat-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--red);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.6s ease;
}

.stat-item:hover::before {
  transform: scaleX(1);
}

.stat-item:hover {
  transform: translateY(-6px);
  border-color: rgba(220, 38, 38, 0.2);
}

.stat-icon {
  font-size: 2rem;
  color: var(--red);
  margin-bottom: 16px;
}

.stat-number {
  font-family: var(--font-primary);
  font-size: 3rem;
  font-weight: 900;
  color: var(--white);
  display: block;
  line-height: 1;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--white-50);
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-top: 8px;
}

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

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  margin-top: 60px;
}

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

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px 24px;
  background: var(--graphite);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  transition: var(--transition);
}

.contact-item:hover {
  border-color: rgba(220, 38, 38, 0.2);
  transform: translateX(4px);
}

.contact-item-icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  background: rgba(220, 38, 38, 0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--red);
  font-size: 1.1rem;
}

.contact-item-content h4 {
  font-family: var(--font-primary);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 4px;
}

.contact-item-content p,
.contact-item-content a {
  font-size: 0.9rem;
  color: var(--white-50);
  line-height: 1.6;
}

.contact-item-content a:hover {
  color: var(--red);
}

.contact-map {
  border-radius: 16px;
  overflow: hidden;
  height: 100%;
  min-height: 400px;
  border: 1px solid var(--glass-border);
}

.contact-map iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* ========== FOOTER ========== */
.footer {
  background: var(--graphite);
  border-top: 1px solid var(--glass-border);
  padding: 60px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--glass-border);
}

.footer-brand .footer-logo {
  font-family: var(--font-primary);
  font-size: 1.5rem;
  font-weight: 900;
  letter-spacing: 2px;
  margin-bottom: 16px;
}

.footer-brand .footer-logo span { color: var(--red); }

.footer-brand p {
  font-size: 0.85rem;
  color: var(--white-50);
  line-height: 1.8;
  max-width: 320px;
}

.footer-social {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}

.footer-social a {
  width: 40px;
  height: 40px;
  background: var(--gray-dark);
  border: 1px solid var(--glass-border);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white-50);
  font-size: 1rem;
  transition: var(--transition);
}

.footer-social a:hover {
  background: var(--red);
  border-color: var(--red);
  color: var(--white);
  transform: translateY(-3px);
}

.footer-col h4 {
  font-family: var(--font-primary);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 20px;
  color: var(--white);
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul li a {
  font-size: 0.85rem;
  color: var(--white-50);
  transition: var(--transition);
}

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

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
  font-size: 0.8rem;
  color: var(--white-30);
}

.footer-bottom a {
  color: var(--white-50);
}

.footer-bottom a:hover {
  color: var(--red);
}

.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 48px;
  height: 48px;
  background: var(--red);
  border: none;
  border-radius: 50%;
  color: var(--white);
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: var(--transition);
  z-index: 999;
  box-shadow: 0 4px 20px var(--red-glow);
}

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

.back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 40px var(--red-glow);
}

/* ========== ANIMATIONS ========== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
  40% { transform: translateX(-50%) translateY(-10px); }
  60% { transform: translateX(-50%) translateY(-5px); }
}

@keyframes scrollDown {
  0% { opacity: 1; transform: translateX(-50%) translateY(0); }
  100% { opacity: 0; transform: translateX(-50%) translateY(16px); }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.05); opacity: 0.8; }
}

@keyframes glow {
  0%, 100% { box-shadow: 0 0 20px var(--red-glow); }
  50% { box-shadow: 0 0 60px var(--red-glow), 0 0 100px rgba(220, 38, 38, 0.2); }
}

.reveal {
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
  .about-grid,
  .performance-content,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

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

  .performance-visual {
    order: -1;
  }
}

@media (max-width: 768px) {
  .header-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background: var(--glass);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    flex-direction: column;
    justify-content: center;
    padding: 40px;
    gap: 24px;
    transition: var(--transition);
    border-left: 1px solid var(--glass-border);
  }

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

  .header-nav a {
    font-size: 1rem;
  }

  .header-whatsapp {
    display: none;
  }

  .header-hamburger {
    display: flex;
  }

  .section {
    padding: 60px 0;
  }

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

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

  .about-experience {
    bottom: -12px;
    right: -12px;
    padding: 16px 24px;
  }

  .about-experience .number {
    font-size: 1.8rem;
  }

  .about-stats {
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
  }

  .about-stat {
    padding: 14px 10px;
  }

  .about-stat .number {
    font-size: 1.3rem;
  }

  .services-grid {
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  }

  .performance-info {
    grid-template-columns: 1fr;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

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

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

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

  .contact-map {
    min-height: 280px;
  }

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

  .footer-bottom {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }

  .hero-title {
    font-size: clamp(2.5rem, 15vw, 4rem);
  }

  .hero-actions {
    flex-direction: column;
  }

  .btn {
    justify-content: center;
    padding: 14px 28px;
    font-size: 0.8rem;
  }
}

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

  .about-stats {
    grid-template-columns: 1fr;
  }

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

  .performance-visual .circle {
    width: 200px;
    height: 200px;
  }

  .performance-visual .circle::before {
    width: 140px;
    height: 140px;
  }

  .performance-visual .circle-inner {
    width: 80px;
    height: 80px;
    font-size: 0.8rem;
  }

  .gallery-btn {
    width: 40px;
    height: 40px;
    font-size: 0.9rem;
  }
}