/* ============================================
   INDAU INFORMÁTICA - CSS Moderno
   Mobile First | Dark/Light Theme | Animations
   ============================================ */

/* --- CSS Variables / Theming --- */
:root {
  /* Light Theme */
  --bg-primary: #ffffff;
  --bg-secondary: #f8f9fa;
  --bg-tertiary: #e9ecef;
  --bg-hero: linear-gradient(135deg, #eef2ff 0%, #f5efff 55%, #fce4ff 100%);
  --bg-card: #ffffff;
  --bg-navbar: rgba(255, 255, 255, 0.95);
  --bg-footer: #1a1a2e;

  --text-primary: #212529;
  --text-secondary: #495057;
  --text-tertiary: #6c757d;
  --text-navbar: #212529;
  --text-footer: #adb5bd;
  --text-on-accent: #ffffff;

  --accent-primary: #667eea;
  --accent-secondary: #764ba2;
  --accent-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --accent-hover: linear-gradient(135deg, #5568d3 0%, #65408b 100%);

  --border-color: #dee2e6;
  --border-light: #e9ecef;

  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.15);

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

  --transition-fast: 0.15s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  --transition-slower: 0.8s ease;
}

/* Dark Theme */
[data-theme="dark"] {
  --bg-primary: #0f0f23;
  --bg-secondary: #1a1a2e;
  --bg-tertiary: #16213e;
  --bg-hero: linear-gradient(135deg, #0f0f23 0%, #1a1a2e 50%, #16213e 100%);
  --bg-card: #1a1a2e;
  --bg-navbar: rgba(15, 15, 35, 0.95);
  --bg-footer: #0a0a1a;

  --text-primary: #e4e6eb;
  --text-secondary: #b0b3b8;
  --text-tertiary: #8a8d91;
  --text-navbar: #e4e6eb;
  --text-footer: #6c757d;
  --text-on-accent: #ffffff;

  --accent-primary: #667eea;
  --accent-secondary: #764ba2;
  --accent-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --accent-hover: linear-gradient(135deg, #7b93ff 0%, #8b5fbf 100%);

  --border-color: #2d2d44;
  --border-light: #1f1f3a;

  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.4);
  --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.5);
}

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

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  transition: background-color var(--transition-slow), color var(--transition-slow);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }
h5 { font-size: clamp(1.1rem, 2vw, 1.25rem); }

p {
  margin-bottom: 1rem;
  color: var(--text-secondary);
}

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

a:hover {
  color: var(--accent-secondary);
}

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

/* --- Utility Classes --- */
.container-custom {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

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

.text-center { text-align: center; }
.text-justify { text-align: justify; }

.section {
  padding: 4rem 0;
}

@media (min-width: 768px) {
  .section {
    padding: 6rem 0;
  }
}

@media (min-width: 992px) {
  .section {
    padding: 8rem 0;
  }
}

.section-title {
  text-align: center;
  margin-bottom: 3rem;
  position: relative;
}

.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background: var(--accent-gradient);
  margin: 1rem auto 0;
  border-radius: var(--radius-full);
}

/* --- Animations --- */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

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

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

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-20px); }
}

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

@keyframes shimmer {
  0% { background-position: -1000px 0; }
  100% { background-position: 1000px 0; }
}

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

.animate-on-scroll {
  opacity: 0;
  transition: opacity var(--transition-slower), transform var(--transition-slower);
}

.animate-on-scroll.animate-fadeIn { animation: fadeIn 0.8s ease forwards; }
.animate-on-scroll.animate-fadeInUp { animation: fadeInUp 0.8s ease forwards; }
.animate-on-scroll.animate-fadeInDown { animation: fadeInDown 0.8s ease forwards; }
.animate-on-scroll.animate-fadeInLeft { animation: fadeInLeft 0.8s ease forwards; }
.animate-on-scroll.animate-fadeInRight { animation: fadeInRight 0.8s ease forwards; }
.animate-on-scroll.animate-scaleIn { animation: scaleIn 0.8s ease forwards; }

.animate-on-scroll.visible {
  opacity: 1;
  transform: translate(0, 0);
}

/* --- Theme Toggle --- */
.theme-toggle {
  position: relative;
  width: 60px;
  height: 30px;
  border-radius: var(--radius-full);
  background: var(--bg-tertiary);
  border: 2px solid var(--border-color);
  cursor: pointer;
  transition: all var(--transition-base);
  display: flex;
  align-items: center;
  padding: 0 4px;
}

.theme-toggle::before {
  content: '';
  position: absolute;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--accent-gradient);
  transition: transform var(--transition-base);
  left: 3px;
}

[data-theme="dark"] .theme-toggle::before {
  transform: translateX(28px);
}

.theme-toggle-icon {
  position: absolute;
  font-size: 14px;
  transition: opacity var(--transition-base);
}

.theme-toggle-icon.sun {
  left: 6px;
  opacity: 1;
}

.theme-toggle-icon.moon {
  right: 6px;
  opacity: 0.5;
}

[data-theme="dark"] .theme-toggle-icon.sun {
  opacity: 0.5;
}

[data-theme="dark"] .theme-toggle-icon.moon {
  opacity: 1;
}

/* --- Navbar --- */
.navbar-modern {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--bg-navbar);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-light);
  transition: all var(--transition-base);
  animation: fadeInDown 0.5s ease;
}

.navbar-modern.scrolled {
  box-shadow: var(--shadow-md);
}

.navbar-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text-primary);
  transition: color var(--transition-fast);
}

.navbar-brand:hover {
  color: var(--accent-primary);
}

.navbar-brand img {
  height: 40px;
  width: auto;
}

.navbar-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-link-modern {
  position: relative;
  color: var(--text-navbar);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.5rem 0;
  transition: color var(--transition-fast);
}

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

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

.nav-link-modern:hover,
.nav-link-modern.active {
  color: var(--accent-primary);
}

/* Dropdown */
.dropdown-modern {
  position: relative;
}

.dropdown-toggle-modern {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  cursor: pointer;
}

.dropdown-toggle-modern::after {
  content: '▾';
  font-size: 0.75rem;
  transition: transform var(--transition-fast);
}

.dropdown-menu-modern {
  position: absolute;
  top: 100%;
  right: 0;
  min-width: 220px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 0.5rem;
  list-style: none;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-fast);
}

.dropdown-modern:hover .dropdown-menu-modern {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-item-modern {
  display: block;
  padding: 0.625rem 1rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.dropdown-item-modern:hover {
  background: var(--bg-tertiary);
  color: var(--accent-primary);
  transform: translateX(4px);
}

/* Mobile Menu Toggle */
.navbar-toggler-modern {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  z-index: 1001;
}

.navbar-toggler-modern span {
  display: block;
  width: 25px;
  height: 2px;
  background: var(--text-primary);
  transition: all var(--transition-base);
  border-radius: 2px;
}

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

.navbar-toggler-modern.active span:nth-child(2) {
  opacity: 0;
}

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

/* Mobile Responsive Navbar */
@media (max-width: 991px) {
  .navbar-toggler-modern {
    display: flex;
  }

  .navbar-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--bg-secondary);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 1.5rem;
    transition: right var(--transition-base);
    box-shadow: var(--shadow-xl);
    z-index: 999;
  }

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

  .nav-link-modern {
    font-size: 1.1rem;
  }

  .dropdown-menu-modern {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    background: transparent;
    padding-left: 1rem;
  }

  .mobile-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: 998;
  }

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

/* --- Buttons --- */
.btn-modern {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  font-size: 1rem;
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.btn-modern::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s;
}

.btn-modern:hover::before {
  left: 100%;
}

.btn-primary-modern {
  background: var(--accent-gradient);
  color: var(--text-on-accent);
  box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.btn-primary-modern:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(102, 126, 234, 0.5);
  color: var(--text-on-accent);
}

.btn-outline-modern {
  background: transparent;
  color: var(--accent-primary);
  border: 2px solid var(--accent-primary);
}

.btn-outline-modern:hover {
  background: var(--accent-gradient);
  color: var(--text-on-accent);
  border-color: transparent;
  transform: translateY(-2px);
}

.btn-lg-modern {
  padding: 1rem 2.5rem;
  font-size: 1.1rem;
}

/* --- Cards --- */
.card-modern {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

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

.card-body-modern {
  padding: 1.5rem;
}

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

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

.card-img-wrapper {
  overflow: hidden;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

/* --- Hero Section --- */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  background: var(--bg-hero);
  overflow: hidden;
  padding: 6rem 1.5rem 4rem;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('../images/wallpaper2variable.png') center/cover no-repeat;
  opacity: 0.15;
  z-index: 1;
}

/* Light theme hero section enhancements */
body:not([data-theme="dark"]) .hero-section::before {
  opacity: 0.05;
  mix-blend-mode: multiply;
}

body:not([data-theme="dark"]) .hero-section {
  box-shadow: inset 0 -1px 0 var(--border-light);
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  margin-bottom: 1.5rem;
  animation: fadeInUp 1s ease;
}

.hero-subtitle {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  font-weight: 400;
  margin-bottom: 2rem;
  animation: fadeInUp 1s ease 0.2s backwards;
}

.hero-text {
  font-size: clamp(1rem, 2vw, 1.25rem);
  margin-bottom: 2.5rem;
  animation: fadeInUp 1s ease 0.4s backwards;
}

/* Dark theme: keep hero text bright */
[data-theme="dark"] .hero-subtitle,
[data-theme="dark"] .hero-text {
  color: rgba(255, 255, 255, 0.85);
}

/* Light theme: strong, readable dark text */
body:not([data-theme="dark"]) .hero-subtitle {
  color: var(--text-primary);
  font-weight: 600;
}

body:not([data-theme="dark"]) .hero-text {
  color: var(--text-secondary);
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 1s ease 0.6s backwards;
}

/* Floating shapes decoration */
.hero-shapes {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}

.hero-shape {
  position: absolute;
  border-radius: 50%;
  opacity: 0.1;
}

.hero-shape-1 {
  width: 300px;
  height: 300px;
  background: var(--accent-primary);
  top: 10%;
  left: -5%;
  animation: float 8s ease-in-out infinite;
}

.hero-shape-2 {
  width: 200px;
  height: 200px;
  background: var(--accent-secondary);
  bottom: 15%;
  right: -3%;
  animation: float 6s ease-in-out infinite 1s;
}

.hero-shape-3 {
  width: 150px;
  height: 150px;
  background: var(--accent-primary);
  top: 60%;
  left: 20%;
  animation: float 7s ease-in-out infinite 2s;
}

/* Light theme: more visible, colorful shapes */
body:not([data-theme="dark"]) .hero-shape-1 {
  background: linear-gradient(135deg, #667eea, #764ba2);
  opacity: 0.18;
  width: 420px;
  height: 420px;
  filter: blur(60px);
}

body:not([data-theme="dark"]) .hero-shape-2 {
  background: linear-gradient(135deg, #a78bfa, #ec4899);
  opacity: 0.14;
  width: 320px;
  height: 320px;
  filter: blur(50px);
}

body:not([data-theme="dark"]) .hero-shape-3 {
  background: linear-gradient(135deg, #60a5fa, #a78bfa);
  opacity: 0.12;
  width: 220px;
  height: 220px;
  filter: blur(40px);
}

/* --- Carousel Section --- */
.carousel-section {
  padding: 4rem 0;
  background: var(--bg-secondary);
}

.carousel-modern {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.carousel-inner-modern {
  position: relative;
}

.carousel-item-modern {
  display: none;
  position: relative;
}

.carousel-item-modern.active {
  display: block;
  animation: fadeIn 0.5s ease;
}

.carousel-img-modern {
  width: 100%;
  height: 300px;
  object-fit: cover;
}

@media (min-width: 768px) {
  .carousel-img-modern {
    height: 450px;
  }
}

@media (min-width: 992px) {
  .carousel-img-modern {
    height: 550px;
  }
}

.carousel-overlay-modern {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 2rem;
  background: linear-gradient(transparent, rgba(0,0,0,0.8));
  color: white;
}

.carousel-title-modern {
  font-size: clamp(1.25rem, 3vw, 2rem);
  font-weight: 700;
  color: white;
  margin-bottom: 0.5rem;
}

.carousel-text-modern {
  font-size: clamp(0.9rem, 2vw, 1.1rem);
  color: rgba(255,255,255,0.9);
}

.carousel-controls-modern {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1.5rem;
}

.carousel-dot-modern {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--border-color);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.carousel-dot-modern.active {
  background: var(--accent-gradient);
  transform: scale(1.3);
}

.carousel-arrow-modern {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255,255,255,0.2);
  backdrop-filter: blur(5px);
  border: none;
  color: white;
  font-size: 1.25rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
}

.carousel-arrow-modern:hover {
  background: rgba(255,255,255,0.4);
}

.carousel-arrow-prev {
  left: 1rem;
}

.carousel-arrow-next {
  right: 1rem;
}

/* --- Services Section --- */
.services-section {
  background: var(--bg-primary);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  max-width: 900px;
  margin: 0 auto;
}

@media (min-width: 992px) {
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    max-width: 960px;
  }
}

.service-card {
  text-align: center;
  padding: 1rem 0.75rem;
}

@media (min-width: 992px) {
  .service-card {
    padding: 2rem 1.5rem;
  }
}

.service-icon {
  width: 50px;
  height: 50px;
  margin: 0 auto 1rem;
  background: var(--accent-gradient);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: white;
  transition: all var(--transition-base);
}

@media (min-width: 992px) {
  .service-icon {
    width: 80px;
    height: 80px;
    font-size: 2rem;
    margin-bottom: 1.5rem;
  }
}

.service-card:hover .service-icon {
  transform: scale(1.1) rotate(5deg);
}

.service-card .btn-modern {
  display: none;
}

@media (min-width: 992px) {
  .service-card .btn-modern {
    display: inline-flex;
  }
}

.service-title {
  font-size: 0.85rem;
  margin-bottom: 0.5rem;
}

@media (min-width: 992px) {
  .service-title {
    font-size: 1.25rem;
    margin-bottom: 1rem;
  }
}

.service-text {
  font-size: 0.75rem;
  color: var(--text-secondary);
  display: none;
}

@media (min-width: 992px) {
  .service-text {
    font-size: 0.95rem;
    display: block;
  }
}

/* --- Clients Section --- */
.clients-section {
  background: var(--bg-secondary);
}

.clients-img {
  max-width: 800px;
  margin: 0 auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

/* --- CTA Section --- */
.cta-section {
  background: var(--accent-gradient);
  padding: 4rem 1.5rem;
  text-align: center;
}

.cta-title {
  color: white;
  margin-bottom: 1rem;
}

.cta-text {
  color: rgba(255,255,255,0.9);
  margin-bottom: 2rem;
  font-size: 1.1rem;
}

.cta-btn {
  background: white;
  color: var(--accent-primary);
  font-weight: 700;
}

.cta-btn:hover {
  background: var(--bg-secondary);
  color: var(--accent-secondary);
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

/* --- Page Header (Internal Pages) --- */
.page-header {
  min-height: 50vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  background: var(--bg-hero);
  padding: 8rem 1.5rem 4rem;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('../images/wallpaper2variable.png') center/cover no-repeat;
  opacity: 0.1;
  z-index: 1;
}

.page-header-content {
  position: relative;
  z-index: 2;
  text-align: center;
}

.page-header-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  color: white;
  margin-bottom: 1rem;
  animation: fadeInUp 0.8s ease;
}

.page-header-text {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: rgba(255,255,255,0.8);
  animation: fadeInUp 0.8s ease 0.2s backwards;
}

/* --- Content Section --- */
.content-section {
  background: var(--bg-primary);
}

.content-card {
  max-width: 900px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.content-card-img {
  width: 100%;
  max-height: 500px;
  object-fit: cover;
}

.content-card-body {
  padding: 2rem;
}

@media (min-width: 768px) {
  .content-card-body {
    padding: 3rem;
  }
}

.content-card-text {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--text-secondary);
  text-align: justify;
}

/* --- About Section --- */
.about-content {
  max-width: 900px;
  margin: 0 auto;
}

.about-text {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--text-secondary);
  text-align: justify;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  margin-top: 3rem;
}

@media (min-width: 768px) {
  .about-stats {
    grid-template-columns: repeat(4, 1fr);
  }
}

.stat-item {
  text-align: center;
  padding: 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

.stat-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-tertiary);
  margin-top: 0.5rem;
}

/* --- Contact Section --- */
.contact-section {
  background: var(--bg-primary);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}

@media (min-width: 768px) {
  .contact-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.contact-icon {
  width: 50px;
  height: 50px;
  background: var(--accent-gradient);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: white;
  flex-shrink: 0;
}

.contact-item-content h5 {
  margin-bottom: 0.25rem;
  font-size: 1.1rem;
}

.contact-item-content p {
  margin-bottom: 0;
  color: var(--text-secondary);
}

.contact-qr {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  text-align: center;
  box-shadow: var(--shadow-sm);
}

.contact-qr-img {
  max-width: 200px;
  margin: 0 auto;
  border-radius: var(--radius-md);
}

.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 2rem;
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label-modern {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--text-primary);
}

.form-input-modern {
  width: 100%;
  padding: 0.875rem 1.25rem;
  background: var(--bg-secondary);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 1rem;
  transition: all var(--transition-fast);
}

.form-input-modern:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.2);
}

.form-input-modern::placeholder {
  color: var(--text-tertiary);
}

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

/* --- Alertas do formulário de contato --- */
.alert-form {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
  line-height: 1.5;
}

.alert-form i {
  font-size: 1.2rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.alert-form-success {
  background: rgba(52, 211, 153, 0.12);
  border: 1px solid rgba(52, 211, 153, 0.4);
  color: #34d399;
  flex-direction: column;
  align-items: flex-start;
}

.alert-form-success i {
  color: #34d399;
  font-size: 1.5rem;
  margin-bottom: 0.25rem;
}

.alert-form-success strong {
  font-size: 1.05rem;
}

.alert-form-success p {
  margin: 0.25rem 0 0;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.alert-form-error {
  background: rgba(248, 113, 113, 0.12);
  border: 1px solid rgba(248, 113, 113, 0.4);
  color: #f87171;
}

.alert-form-error ul {
  list-style: disc;
  margin: 0;
}

/* --- Footer --- */
.footer-modern {
  background: var(--bg-footer);
  padding: 3rem 1.5rem 1.5rem;
  color: var(--text-footer);
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 768px) {
  .footer-content {
    grid-template-columns: repeat(3, 1fr);
  }
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-brand img {
  height: 50px;
  width: auto;
}

.footer-brand-text {
  color: var(--text-footer);
  font-size: 0.9rem;
}

.footer-links h5 {
  color: white;
  margin-bottom: 1rem;
  font-size: 1.1rem;
}

.footer-links ul {
  list-style: none;
  padding: 0;
}

.footer-links li {
  margin-bottom: 0.5rem;
}

.footer-links a {
  color: var(--text-footer);
  font-size: 0.9rem;
  transition: all var(--transition-fast);
}

.footer-links a:hover {
  color: var(--accent-primary);
  padding-left: 5px;
}

.footer-social {
  display: flex;
  gap: 1rem;
}

.footer-social-link {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  transition: all var(--transition-fast);
}

.footer-social-link:hover {
  background: var(--accent-gradient);
  transform: translateY(-3px);
}

.footer-bottom {
  max-width: 1200px;
  margin: 2rem auto 0;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  text-align: center;
}

.footer-bottom-text {
  font-size: 0.85rem;
  color: var(--text-footer);
}

/* --- Back to Top --- */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--accent-gradient);
  color: white;
  border: none;
  font-size: 1.25rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition-base);
  box-shadow: var(--shadow-md);
  z-index: 999;
}

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

.back-to-top:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

/* --- Loading Screen --- */
.loading-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.5s, visibility 0.5s;
}

.loading-screen.hidden {
  opacity: 0;
  visibility: hidden;
}

.loading-spinner {
  width: 50px;
  height: 50px;
  border: 4px solid var(--border-color);
  border-top-color: var(--accent-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* --- Internal Page Service Cards --- */
.service-detail-card {
  max-width: 1000px;
  margin: 0 auto;
}

.service-detail-img {
  width: 80%;
  max-width: 600px;
  margin: 0 auto 2rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-slow);
}

.service-detail-img:hover {
  transform: scale(1.02);
}

.service-detail-text {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--text-secondary);
  text-align: justify;
  max-width: 800px;
  margin: 0 auto 2rem;
}

/* --- Ocultar seção de clientes em mobile portrait --- */
@media (max-width: 767px) and (orientation: portrait) {
  .clients-section {
    display: none;
  }
}

/* --- Scroll Progress Bar --- */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: var(--accent-gradient);
  z-index: 1001;
  transition: width 0.1s;
}