/* ============================================
   METALÚRGICA CONFIANÇA - DESIGN SYSTEM
   Dark industrial theme with red accents
   ============================================ */

/* ---- Google Fonts ---- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Outfit:wght@400;500;600;700;800&display=swap');

/* ---- CSS Custom Properties ---- */
:root {
  /* Colors */
  --bg-primary: #0a0a0a;
  --bg-secondary: #111111;
  --bg-tertiary: #1a1a1a;
  --bg-card: #141414;
  --bg-card-hover: #1e1e1e;

  --text-primary: #f5f5f5;
  --text-secondary: #a0a0a0;
  --text-muted: #666666;

  --accent-red: #e63946;
  --accent-red-dark: #c1121f;
  --accent-red-light: #ff4d5a;
  --accent-red-glow: rgba(230, 57, 70, 0.3);

  --whatsapp-green: #25d366;
  --whatsapp-green-dark: #1da851;
  --whatsapp-glow: rgba(37, 211, 102, 0.3);

  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-hover: rgba(255, 255, 255, 0.12);

  /* Gradients */
  --gradient-red: linear-gradient(135deg, #e63946, #c1121f);
  --gradient-dark: linear-gradient(180deg, #0a0a0a 0%, #111111 100%);
  --gradient-card: linear-gradient(145deg, rgba(255,255,255,0.03), rgba(255,255,255,0.01));
  --gradient-hero-overlay: linear-gradient(180deg, rgba(10,10,10,0.4) 0%, rgba(10,10,10,0.85) 60%, #0a0a0a 100%);

  /* Spacing */
  --section-padding: 100px 0;
  --container-width: 1200px;
  --container-padding: 0 24px;

  /* Typography */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Borders */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 24px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 48px rgba(0,0,0,0.5);
  --shadow-red: 0 4px 24px rgba(230, 57, 70, 0.2);
  --shadow-green: 0 4px 24px rgba(37, 211, 102, 0.2);

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

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

ul, ol {
  list-style: none;
}

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

/* ---- Typography ---- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.15;
}

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

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent-red);
  margin-bottom: 16px;
}

.section-label::before {
  content: '';
  width: 32px;
  height: 2px;
  background: var(--accent-red);
  border-radius: 2px;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  margin-bottom: 16px;
  background: linear-gradient(135deg, #fff 0%, #ccc 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 32px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  opacity: 0;
  transition: var(--transition-base);
}

.btn:hover::before {
  opacity: 1;
}

.btn-whatsapp {
  background: var(--whatsapp-green);
  color: #fff;
  box-shadow: var(--shadow-green);
}

.btn-whatsapp::before {
  background: linear-gradient(135deg, #2ee66e, #1da851);
}

.btn-whatsapp:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 32px var(--whatsapp-glow);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 2px solid rgba(255,255,255,0.2);
}

.btn-outline:hover {
  border-color: var(--accent-red);
  color: var(--accent-red-light);
  transform: translateY(-3px);
  box-shadow: var(--shadow-red);
}

.btn-red {
  background: var(--gradient-red);
  color: #fff;
  box-shadow: var(--shadow-red);
}

.btn-red::before {
  background: linear-gradient(135deg, var(--accent-red-light), var(--accent-red));
}

.btn-red:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 32px var(--accent-red-glow);
}

.btn-icon {
  font-size: 1.2rem;
}

/* ---- Navigation ---- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: var(--transition-base);
}

.navbar.scrolled {
  background: rgba(10, 10, 10, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  padding: 12px 0;
}

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

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-logo-icon {
  width: 42px;
  height: 42px;
  background: var(--gradient-red);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  font-weight: 900;
  color: #fff;
  font-family: var(--font-heading);
}

.nav-logo-text {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--text-primary);
}

.nav-logo-text span {
  color: var(--accent-red);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-red);
  border-radius: 2px;
  transition: var(--transition-base);
}

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

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

.nav-link.active {
  color: var(--text-primary);
}

.nav-link.active::after {
  width: 100%;
}

.nav-cta {
  padding: 10px 24px;
  font-size: 0.85rem;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

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

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

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

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.05);
  animation: heroZoom 20s ease-in-out infinite alternate;
}

@keyframes heroZoom {
  from { transform: scale(1.05); }
  to { transform: scale(1.15); }
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: var(--gradient-hero-overlay);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 720px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  background: rgba(230, 57, 70, 0.12);
  border: 1px solid rgba(230, 57, 70, 0.25);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-red-light);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 24px;
  animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-badge .pulse-dot {
  width: 8px;
  height: 8px;
  background: var(--accent-red);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

.hero h1 {
  font-size: clamp(2.5rem, 5.5vw, 4rem);
  font-weight: 900;
  line-height: 1.08;
  margin-bottom: 24px;
  animation: fadeInUp 0.8s ease-out 0.4s both;
}

.hero h1 .highlight {
  background: var(--gradient-red);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: 1.2rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 40px;
  max-width: 560px;
  animation: fadeInUp 0.8s ease-out 0.6s both;
}

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

.hero-stats {
  display: flex;
  gap: 48px;
  margin-top: 64px;
  padding-top: 40px;
  border-top: 1px solid var(--border-subtle);
  animation: fadeInUp 0.8s ease-out 1s both;
}

.hero-stat-value {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-primary);
}

.hero-stat-value span {
  color: var(--accent-red);
}

.hero-stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 4px;
}

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

/* ---- Scroll Indicator ---- */
.scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  animation: fadeInUp 0.8s ease-out 1.2s both;
}

.scroll-indicator .mouse {
  width: 24px;
  height: 38px;
  border: 2px solid rgba(255,255,255,0.3);
  border-radius: 12px;
  position: relative;
}

.scroll-indicator .mouse::after {
  content: '';
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 3px;
  height: 8px;
  background: var(--accent-red);
  border-radius: 3px;
  animation: scrollWheel 2s ease-in-out infinite;
}

@keyframes scrollWheel {
  0% { opacity: 1; transform: translateX(-50%) translateY(0); }
  100% { opacity: 0; transform: translateX(-50%) translateY(12px); }
}

.scroll-indicator span {
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 2px;
  text-transform: uppercase;
}

/* ---- Services Section ---- */
.services {
  padding: var(--section-padding);
  background: var(--bg-secondary);
  position: relative;
}

.services::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, var(--accent-red-glow), transparent 70%);
  opacity: 0.15;
  pointer-events: none;
}

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

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-red);
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition-base);
}

.service-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-icon {
  width: 56px;
  height: 56px;
  background: rgba(230, 57, 70, 0.08);
  border: 1px solid rgba(230, 57, 70, 0.15);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
  transition: var(--transition-base);
}

.service-card:hover .service-icon {
  background: rgba(230, 57, 70, 0.15);
  border-color: rgba(230, 57, 70, 0.3);
  transform: scale(1.05);
}

.service-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-primary);
}

.service-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ---- Diferenciais / Why Us ---- */
.why-us {
  padding: var(--section-padding);
  background: var(--bg-primary);
}

.why-us-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.why-card {
  text-align: center;
  padding: 40px 28px;
  background: var(--gradient-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  transition: var(--transition-base);
}

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

.why-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 20px;
  background: rgba(230, 57, 70, 0.06);
  border: 1px solid rgba(230, 57, 70, 0.12);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  transition: var(--transition-base);
}

.why-card:hover .why-icon {
  background: rgba(230, 57, 70, 0.12);
  transform: scale(1.08);
}

.why-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.why-card p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ---- Portfolio Section ---- */
.portfolio {
  padding: var(--section-padding);
  background: var(--bg-secondary);
}

.portfolio-filters {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 10px 24px;
  background: transparent;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-base);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--gradient-red);
  border-color: var(--accent-red);
  color: #fff;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 24px;
}

.portfolio-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
  cursor: pointer;
}

.portfolio-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-slow);
}

.portfolio-card:hover img {
  transform: scale(1.08);
}

.portfolio-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(10,10,10,0.9) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 28px;
  opacity: 0;
  transition: var(--transition-base);
}

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

.portfolio-card-overlay .tag {
  display: inline-block;
  padding: 4px 12px;
  background: var(--accent-red);
  border-radius: var(--radius-full);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: #fff;
  margin-bottom: 8px;
  width: fit-content;
}

.portfolio-card-overlay h3 {
  font-size: 1.2rem;
  font-weight: 700;
}

.portfolio-card-overlay p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-top: 4px;
}

/* ---- CTA Section ---- */
.cta-section {
  padding: 120px 0;
  background: var(--bg-primary);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-red-glow), transparent 70%);
  opacity: 0.12;
  pointer-events: none;
}

.cta-box {
  text-align: center;
  position: relative;
  z-index: 1;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 72px 48px;
  max-width: 800px;
  margin: 0 auto;
}

.cta-box h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 800;
  margin-bottom: 16px;
}

.cta-box h2 .highlight {
  background: var(--gradient-red);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.cta-box p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 40px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

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

/* ---- Footer ---- */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  padding: 64px 0 24px;
}

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

.footer-brand p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-top: 16px;
  max-width: 300px;
}

.footer-col h4 {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.footer-col ul li {
  margin-bottom: 12px;
}

.footer-col ul li a {
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.footer-col ul li a:hover {
  color: var(--accent-red-light);
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 16px;
}

.footer-contact-icon {
  width: 36px;
  height: 36px;
  background: rgba(230, 57, 70, 0.08);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  flex-shrink: 0;
}

.footer-contact-info .label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.footer-contact-info .value {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-top: 2px;
}

.footer-bottom {
  border-top: 1px solid var(--border-subtle);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

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

/* ---- Floating WhatsApp Button ---- */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
  width: 60px;
  height: 60px;
  background: var(--whatsapp-green);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 24px var(--whatsapp-glow);
  transition: var(--transition-base);
  cursor: pointer;
}

.whatsapp-float::before {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid var(--whatsapp-green);
  opacity: 0;
  animation: whatsappPulse 2s ease-in-out infinite;
}

@keyframes whatsappPulse {
  0% { transform: scale(1); opacity: 0.5; }
  100% { transform: scale(1.3); opacity: 0; }
}

.whatsapp-float:hover {
  transform: scale(1.1) translateY(-2px);
  box-shadow: 0 8px 36px var(--whatsapp-glow);
}

.whatsapp-float svg {
  width: 30px;
  height: 30px;
  fill: #fff;
}

/* ---- Lightbox ---- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0,0,0,0.92);
  backdrop-filter: blur(20px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-base);
}

.lightbox.active {
  opacity: 1;
  visibility: visible;
}

.lightbox img {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
}

.lightbox-close {
  position: absolute;
  top: 24px;
  right: 24px;
  width: 48px;
  height: 48px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: #fff;
  font-size: 1.5rem;
  transition: var(--transition-base);
}

.lightbox-close:hover {
  background: var(--accent-red);
  border-color: var(--accent-red);
}

/* ---- Scroll Animations ---- */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}

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

.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}

.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}

.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* ---- Counter Animation ---- */
.counter {
  font-variant-numeric: tabular-nums;
}

/* ---- Mobile Nav Overlay ---- */
.mobile-nav {
  position: fixed;
  inset: 0;
  z-index: 999;
  background: rgba(10, 10, 10, 0.97);
  backdrop-filter: blur(20px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-base);
}

.mobile-nav.active {
  opacity: 1;
  visibility: visible;
}

.mobile-nav a {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  transition: var(--transition-base);
}

.mobile-nav a:hover {
  color: var(--accent-red-light);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .why-us-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .hero-stats {
    gap: 32px;
  }
}

@media (max-width: 768px) {
  :root {
    --section-padding: 72px 0;
  }

  .nav-links {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .hero h1 {
    font-size: clamp(2rem, 8vw, 3rem);
  }

  .hero-description {
    font-size: 1rem;
  }

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

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

  .why-us-grid {
    grid-template-columns: 1fr;
  }

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

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

  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .cta-box {
    padding: 48px 24px;
  }

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

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

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

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

  .portfolio-filters {
    gap: 8px;
  }

  .filter-btn {
    padding: 8px 16px;
    font-size: 0.8rem;
  }
}

/* ============================================
   ADMIN PANEL STYLES
   ============================================ */

/* ---- Admin Overlay ---- */
.admin-overlay {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: center;
  animation: adminFadeIn 0.3s ease-out;
  padding: 20px;
}

.admin-overlay.closing {
  animation: adminFadeOut 0.3s ease-out forwards;
}

@keyframes adminFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes adminFadeOut {
  from { opacity: 1; }
  to { opacity: 0; }
}

/* ---- Admin Panel ---- */
.admin-panel {
  background: #0d0d0d;
  border: 1px solid rgba(230, 57, 70, 0.2);
  border-radius: 20px;
  width: 100%;
  max-width: 640px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.6), 0 0 60px rgba(230, 57, 70, 0.08);
  animation: adminSlideUp 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.admin-overlay.closing .admin-panel {
  animation: adminSlideDown 0.3s ease-in forwards;
}

@keyframes adminSlideUp {
  from { opacity: 0; transform: translateY(40px) scale(0.96); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes adminSlideDown {
  from { opacity: 1; transform: translateY(0) scale(1); }
  to { opacity: 0; transform: translateY(40px) scale(0.96); }
}

/* Scrollbar */
.admin-panel::-webkit-scrollbar {
  width: 6px;
}
.admin-panel::-webkit-scrollbar-track {
  background: transparent;
}
.admin-panel::-webkit-scrollbar-thumb {
  background: rgba(230, 57, 70, 0.3);
  border-radius: 3px;
}
.admin-panel::-webkit-scrollbar-thumb:hover {
  background: rgba(230, 57, 70, 0.5);
}

/* ---- Admin Header ---- */
.admin-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 28px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  position: sticky;
  top: 0;
  background: #0d0d0d;
  z-index: 10;
  border-radius: 20px 20px 0 0;
}

.admin-header-left {
  display: flex;
  align-items: center;
  gap: 14px;
}

.admin-logo {
  width: 44px;
  height: 44px;
  background: rgba(230, 57, 70, 0.12);
  border: 1px solid rgba(230, 57, 70, 0.25);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
}

.admin-header h2 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.3;
}

.admin-subtitle {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.admin-close {
  width: 36px;
  height: 36px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-secondary);
  font-size: 1rem;
  transition: var(--transition-fast);
}

.admin-close:hover {
  background: var(--accent-red);
  border-color: var(--accent-red);
  color: #fff;
}

/* ---- Login Screen ---- */
.admin-login {
  padding: 48px 28px;
  text-align: center;
}

.admin-login-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 20px;
  background: rgba(230, 57, 70, 0.08);
  border: 1px solid rgba(230, 57, 70, 0.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
}

.admin-login h3 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}

.admin-login > p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 28px;
}

.admin-error {
  display: none;
  color: #ff4d5a;
  font-size: 0.85rem;
  font-weight: 500;
  margin-top: 16px;
  padding: 10px 16px;
  background: rgba(255, 77, 90, 0.08);
  border: 1px solid rgba(255, 77, 90, 0.15);
  border-radius: 10px;
}

/* ---- Shared Form Elements ---- */
.admin-field {
  margin-bottom: 16px;
}

.admin-field label {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

.admin-input {
  width: 100%;
  padding: 14px 18px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  color: #fff;
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: var(--transition-fast);
  outline: none;
}

.admin-input:focus {
  border-color: var(--accent-red);
  background: rgba(230, 57, 70, 0.04);
  box-shadow: 0 0 0 3px rgba(230, 57, 70, 0.1);
}

.admin-input::placeholder {
  color: var(--text-muted);
}

.admin-textarea {
  resize: vertical;
  min-height: 80px;
  line-height: 1.6;
}

.admin-input.shake {
  animation: shakeInput 0.5s ease;
}

@keyframes shakeInput {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-8px); }
  40% { transform: translateX(8px); }
  60% { transform: translateX(-6px); }
  80% { transform: translateX(6px); }
}

/* ---- Buttons ---- */
.admin-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  border: none;
  border-radius: 12px;
  cursor: pointer;
  transition: var(--transition-base);
  width: 100%;
}

.admin-btn-primary {
  background: var(--gradient-red);
  color: #fff;
  box-shadow: 0 4px 16px rgba(230, 57, 70, 0.2);
}

.admin-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(230, 57, 70, 0.35);
}

.admin-btn-save {
  background: linear-gradient(135deg, #25d366, #1da851);
  color: #fff;
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.2);
}

.admin-btn-save:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(37, 211, 102, 0.35);
}

/* ---- Tabs ---- */
.admin-tabs {
  display: flex;
  gap: 4px;
  padding: 16px 28px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.admin-tab {
  flex: 1;
  padding: 12px 16px;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-muted);
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-fast);
  border-radius: 8px 8px 0 0;
}

.admin-tab:hover {
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.03);
}

.admin-tab.active {
  color: var(--accent-red-light);
  border-bottom-color: var(--accent-red);
  background: rgba(230, 57, 70, 0.06);
}

/* ---- Tab Content ---- */
.admin-tab-content {
  display: none;
  padding: 24px 28px;
}

.admin-tab-content.active {
  display: block;
  animation: adminContentIn 0.3s ease-out;
}

@keyframes adminContentIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---- Sections ---- */
.admin-section {
  margin-bottom: 28px;
}

.admin-section h3 {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.admin-hint {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 16px;
  line-height: 1.5;
}

/* ---- Upload Area ---- */
.admin-upload-area {
  border: 2px dashed rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  padding: 36px 24px;
  text-align: center;
  cursor: pointer;
  transition: var(--transition-base);
  margin-bottom: 20px;
}

.admin-upload-area:hover,
.admin-upload-area.dragover {
  border-color: var(--accent-red);
  background: rgba(230, 57, 70, 0.04);
}

.admin-upload-icon {
  font-size: 2.2rem;
  margin-bottom: 12px;
}

.admin-upload-area p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.admin-upload-hint {
  font-size: 0.78rem;
  color: var(--text-muted);
  display: block;
  margin-top: 6px;
}

/* ---- New Photo Preview ---- */
.admin-new-photo {
  display: flex;
  gap: 20px;
  padding: 20px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 16px;
  margin-bottom: 20px;
}

.admin-new-photo img {
  width: 120px;
  height: 90px;
  object-fit: cover;
  border-radius: 10px;
  flex-shrink: 0;
}

.admin-new-photo-fields {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.admin-new-photo-fields .admin-field {
  margin-bottom: 4px;
}

.admin-new-photo-fields .admin-btn {
  margin-top: 4px;
}

/* ---- Photo List ---- */
.admin-photo-list-title {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.admin-no-photos {
  text-align: center;
  font-size: 0.88rem;
  color: var(--text-muted);
  padding: 24px;
  background: rgba(255, 255, 255, 0.02);
  border-radius: 12px;
  border: 1px dashed rgba(255, 255, 255, 0.06);
}

.admin-photo-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 12px;
  margin-bottom: 8px;
  transition: var(--transition-fast);
}

.admin-photo-item:hover {
  border-color: rgba(255, 255, 255, 0.1);
}

.admin-photo-item img {
  width: 64px;
  height: 48px;
  object-fit: cover;
  border-radius: 8px;
  flex-shrink: 0;
}

.admin-photo-info {
  flex: 1;
  min-width: 0;
}

.admin-photo-info strong {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: #fff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.admin-photo-info span {
  display: block;
  font-size: 0.78rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.admin-photo-delete {
  width: 36px;
  height: 36px;
  background: rgba(255, 77, 90, 0.08);
  border: 1px solid rgba(255, 77, 90, 0.15);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 0.9rem;
  transition: var(--transition-fast);
  flex-shrink: 0;
}

.admin-photo-delete:hover {
  background: rgba(255, 77, 90, 0.2);
  border-color: rgba(255, 77, 90, 0.4);
  transform: scale(1.1);
}

/* ---- Admin Footer ---- */
.admin-footer {
  padding: 20px 28px 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  position: sticky;
  bottom: 0;
  background: #0d0d0d;
  border-radius: 0 0 20px 20px;
}

.admin-save-success {
  text-align: center;
  font-size: 0.85rem;
  font-weight: 600;
  color: #25d366;
  margin-top: 12px;
  padding: 10px;
  background: rgba(37, 211, 102, 0.08);
  border: 1px solid rgba(37, 211, 102, 0.15);
  border-radius: 10px;
  opacity: 0;
  transform: translateY(8px);
  transition: all 0.3s ease;
  pointer-events: none;
}

.admin-save-success.show {
  opacity: 1;
  transform: translateY(0);
}

/* ---- Responsive Admin Panel ---- */
@media (max-width: 640px) {
  .admin-panel {
    max-height: 95vh;
    border-radius: 16px;
  }

  .admin-header {
    border-radius: 16px 16px 0 0;
    padding: 18px 20px;
  }

  .admin-tabs {
    padding: 12px 16px 0;
  }

  .admin-tab {
    font-size: 0.75rem;
    padding: 10px 8px;
  }

  .admin-tab-content {
    padding: 20px 16px;
  }

  .admin-footer {
    padding: 16px 16px 20px;
    border-radius: 0 0 16px 16px;
  }

  .admin-login {
    padding: 36px 20px;
  }

  .admin-new-photo {
    flex-direction: column;
    align-items: center;
  }

  .admin-new-photo img {
    width: 100%;
    height: 160px;
  }
}