/* ============================================
   FERBOM - Modern Industrial Website
   Premium CSS Architecture
   ============================================ */

/* ============================================
   CSS Variables & Design Tokens
   ============================================ */
:root {
  /* Primary Colors - FERBOM Orange */
  --primary-50: #fff8f3;
  --primary-100: #ffe8d6;
  --primary-200: #ffd4b3;
  --primary-300: #ffb980;
  --primary-400: #f9943d;
  --primary-500: #F47920;
  --primary-600: #e06810;
  --primary-700: #b85410;
  --primary-800: #944312;
  --primary-900: #7a3812;

  /* Secondary Colors - FERBOM Blue */
  --secondary-50: #eef5ff;
  --secondary-100: #d9e8ff;
  --secondary-200: #bcd7ff;
  --secondary-300: #8ebeff;
  --secondary-400: #5a9bff;
  --secondary-500: #3478f6;
  --secondary-600: #1E5AAE;
  --secondary-700: #1E4D8C;
  --secondary-800: #1d4174;
  --secondary-900: #1d3a61;

  /* Neutral Colors */
  --neutral-50: #fafafa;
  --neutral-100: #f4f4f5;
  --neutral-200: #e4e4e7;
  --neutral-300: #d4d4d8;
  --neutral-400: #a1a1aa;
  --neutral-500: #71717a;
  --neutral-600: #52525b;
  --neutral-700: #3f3f46;
  --neutral-800: #27272a;
  --neutral-900: #18181b;
  --neutral-950: #09090b;

  /* Semantic Colors */
  --bg-primary: #0a0f1a;
  --bg-secondary: #0f1628;
  --bg-tertiary: #162035;
  --bg-card: rgba(30, 77, 140, 0.08);
  --bg-card-hover: rgba(30, 77, 140, 0.15);

  --text-primary: #ffffff;
  --text-secondary: rgba(255, 255, 255, 0.75);
  --text-tertiary: rgba(255, 255, 255, 0.55);
  --text-muted: rgba(255, 255, 255, 0.4);

  --border-color: rgba(30, 77, 140, 0.2);
  --border-color-hover: rgba(30, 90, 174, 0.4);

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-600) 100%);
  --gradient-secondary: linear-gradient(135deg, var(--secondary-600) 0%, var(--secondary-700) 100%);
  --gradient-text: linear-gradient(135deg, var(--primary-400) 0%, var(--primary-500) 50%, var(--primary-300) 100%);
  --gradient-blue-text: linear-gradient(135deg, var(--secondary-500) 0%, var(--secondary-600) 100%);
  --gradient-dark: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  --gradient-card: linear-gradient(145deg, rgba(30, 77, 140, 0.1) 0%, rgba(30, 77, 140, 0.02) 100%);
  --gradient-glow: radial-gradient(ellipse at center, var(--secondary-700) 0%, transparent 70%);
  --gradient-glow-orange: radial-gradient(ellipse at center, var(--primary-500) 0%, transparent 70%);

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -2px rgba(0, 0, 0, 0.4);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6), 0 10px 10px -5px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 40px rgba(244, 121, 32, 0.3);
  --shadow-glow-lg: 0 0 80px rgba(244, 121, 32, 0.4);
  --shadow-glow-blue: 0 0 40px rgba(30, 77, 140, 0.4);

  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Space Grotesk', var(--font-primary);

  /* Spacing */
  --section-padding: clamp(4rem, 10vw, 8rem);
  --container-padding: clamp(1rem, 5vw, 2rem);

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 500ms cubic-bezier(0.68, -0.55, 0.265, 1.55);

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-primary);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

ul, ol {
  list-style: none;
}

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

::selection {
  background-color: var(--primary-500);
  color: var(--text-primary);
}

/* ============================================
   Loader
   ============================================ */
.loader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loader.hidden {
  opacity: 0;
  visibility: hidden;
}

.loader-content {
  text-align: center;
}

.loader-logo-img {
  height: 80px;
  width: auto;
  margin-bottom: 2rem;
  animation: pulse-logo 2s ease-in-out infinite;
}

@keyframes pulse-logo {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.8; transform: scale(0.98); }
}

.loader-bar {
  width: 200px;
  height: 3px;
  background: var(--border-color);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.loader-bar span {
  display: block;
  height: 100%;
  width: 0;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  animation: loader 1.5s ease-out forwards;
}

@keyframes loader {
  to { width: 100%; }
}

/* ============================================
   Container
   ============================================ */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

/* ============================================
   Typography
   ============================================ */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--primary-500);
  margin-bottom: 1rem;
}

.section-label::before {
  content: '';
  width: 2rem;
  height: 2px;
  background: var(--primary-500);
  border-radius: var(--radius-full);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 600px;
}

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

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.625rem;
  font-weight: 600;
  font-size: 0.9375rem;
  padding: 0.875rem 1.75rem;
  border-radius: var(--radius-lg);
  transition: var(--transition-base);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn i {
  font-size: 0.875rem;
  transition: transform var(--transition-base);
}

.btn:hover i {
  transform: translateX(3px);
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--text-primary);
  box-shadow: var(--shadow-md), 0 0 20px rgba(249, 115, 22, 0.2);
}

.btn-primary:hover {
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  transform: translateY(-2px);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-color-hover);
}

.btn-outline:hover {
  background: var(--bg-card-hover);
  border-color: var(--primary-500);
  color: var(--primary-500);
}

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

.btn-white:hover {
  background: var(--neutral-200);
  transform: translateY(-2px);
}

.btn-whatsapp {
  background: #25d366;
  color: var(--text-primary);
}

.btn-whatsapp:hover {
  background: #22c55e;
  box-shadow: 0 0 30px rgba(37, 211, 102, 0.4);
  transform: translateY(-2px);
}

.btn-secondary {
  background: var(--gradient-secondary);
  color: var(--text-primary);
  box-shadow: var(--shadow-md), 0 0 20px rgba(30, 77, 140, 0.2);
}

.btn-secondary:hover {
  box-shadow: var(--shadow-lg), var(--shadow-glow-blue);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1rem;
}

.btn-full {
  width: 100%;
}

/* ============================================
   Header
   ============================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1rem 0;
  transition: var(--transition-base);
}

.header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  opacity: 0;
  transition: var(--transition-base);
}

.header.scrolled::before {
  opacity: 1;
}

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

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  z-index: 10;
}

.logo-img {
  height: 50px;
  width: auto;
  transition: var(--transition-base);
}

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

.footer-brand .logo-img {
  height: 60px;
}

.logo-orange {
  color: var(--primary-500);
}

.logo-blue {
  color: var(--secondary-600);
}

/* Navigation */
.nav {
  display: none;
}

@media (min-width: 1024px) {
  .nav {
    display: block;
  }
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 0.5rem 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--primary-500);
  transition: var(--transition-base);
}

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

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

/* Header CTA */
.header-cta {
  display: none;
}

@media (min-width: 1024px) {
  .header-cta {
    display: inline-flex;
  }
}

/* Mobile Toggle */
.mobile-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  padding: 4px 0;
  z-index: 10;
}

@media (min-width: 1024px) {
  .mobile-toggle {
    display: none;
  }
}

.mobile-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text-primary);
  border-radius: var(--radius-full);
  transition: var(--transition-base);
  transform-origin: center;
}

.mobile-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.mobile-toggle.active span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.mobile-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Navigation */
@media (max-width: 1023px) {
  .nav {
    position: fixed;
    inset: 0;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-base);
  }

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

  .nav-list {
    flex-direction: column;
    gap: 1.5rem;
  }

  .nav-link {
    font-size: 1.5rem;
  }
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 8rem 0 4rem;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-gradient {
  position: absolute;
  top: -50%;
  right: -20%;
  width: 80%;
  height: 150%;
  background: var(--gradient-glow);
  opacity: 0.15;
  filter: blur(100px);
  animation: float 20s ease-in-out infinite;
}

.hero-pattern {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 1px 1px, var(--border-color) 1px, transparent 0);
  background-size: 40px 40px;
  opacity: 0.5;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  25% { transform: translate(2%, 2%) rotate(1deg); }
  50% { transform: translate(-1%, 3%) rotate(-1deg); }
  75% { transform: translate(-2%, 1%) rotate(0.5deg); }
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4rem;
  align-items: center;
}

@media (min-width: 1024px) {
  .hero .container {
    grid-template-columns: 1fr 1fr;
  }
}

/* Hero Content */
.hero-content {
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.5rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--primary-400);
  margin-bottom: 1.5rem;
}

.hero-badge i {
  font-size: 0.75rem;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}

.hero-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 540px;
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 3rem;
}

/* Hero Stats */
.hero-stats {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
}

.stat {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.25rem;
}

.stat-number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary-500);
}

.stat-suffix {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-500);
}

.stat-label {
  flex-basis: 100%;
  font-size: 0.875rem;
  color: var(--text-tertiary);
}

.stat-divider {
  width: 1px;
  height: 3rem;
  background: var(--border-color);
}

@media (max-width: 640px) {
  .stat-divider {
    display: none;
  }

  .hero-stats {
    gap: 1rem;
  }

  .stat {
    flex-basis: calc(50% - 0.5rem);
  }
}

/* Hero Visual */
.hero-visual {
  position: relative;
  display: none;
}

@media (min-width: 768px) {
  .hero-visual {
    display: block;
  }
}

.hero-image-wrapper {
  position: relative;
  border-radius: var(--radius-2xl);
  overflow: hidden;
}

.hero-image-bg {
  position: absolute;
  inset: -50%;
  background: var(--gradient-glow);
  opacity: 0.3;
  filter: blur(60px);
  animation: float 15s ease-in-out infinite reverse;
}

.hero-image {
  width: 100%;
  height: 500px;
  object-fit: cover;
  border-radius: var(--radius-2xl);
  position: relative;
  z-index: 1;
}

.hero-image-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    transparent 60%,
    rgba(10, 10, 15, 0.8) 100%
  );
  z-index: 2;
  border-radius: var(--radius-2xl);
}

/* Floating Cards */
.floating-card {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  background: rgba(26, 26, 36, 0.9);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-primary);
  z-index: 10;
  animation: floatCard 6s ease-in-out infinite;
}

.floating-card i {
  color: var(--primary-500);
  font-size: 1.125rem;
}

.card-1 {
  top: 10%;
  right: -10%;
  animation-delay: 0s;
}

.card-2 {
  bottom: 15%;
  left: -5%;
  animation-delay: 3s;
}

@keyframes floatCard {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* Hero Scroll */
.hero-scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
}

.scroll-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  color: var(--text-muted);
  animation: bounce 2s ease-in-out infinite;
}

.scroll-indicator i {
  font-size: 1rem;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(5px); }
}

/* ============================================
   Sections Base
   ============================================ */
.section {
  padding: var(--section-padding) 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 4rem;
}

.section-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4rem;
  align-items: center;
}

@media (min-width: 1024px) {
  .section-grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* ============================================
   Sobre Section
   ============================================ */
.sobre {
  background: var(--bg-secondary);
}

.sobre-images {
  position: relative;
  display: none;
}

@media (min-width: 768px) {
  .sobre-images {
    display: block;
  }
}

.sobre-image-main {
  width: 85%;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.sobre-image-main img {
  width: 100%;
  height: 450px;
  object-fit: cover;
}

.sobre-image-secondary {
  position: absolute;
  bottom: -2rem;
  right: 0;
  width: 50%;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 4px solid var(--bg-secondary);
  box-shadow: var(--shadow-lg);
}

.sobre-image-secondary img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.experience-badge {
  position: absolute;
  top: 2rem;
  right: 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 120px;
  height: 120px;
  background: var(--gradient-primary);
  border-radius: 50%;
  text-align: center;
  box-shadow: var(--shadow-glow);
}

.exp-number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1;
}

.exp-text {
  font-size: 0.75rem;
  font-weight: 500;
  line-height: 1.3;
  opacity: 0.9;
}

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

.sobre-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  margin: 2rem 0;
}

.feature {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.feature-icon {
  color: var(--primary-500);
  font-size: 1.25rem;
  margin-top: 2px;
}

.feature-text strong {
  display: block;
  font-weight: 600;
  margin-bottom: 0.125rem;
}

.feature-text span {
  font-size: 0.875rem;
  color: var(--text-tertiary);
}

/* ============================================
   Produtos Section
   ============================================ */
.produtos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.produto-card {
  position: relative;
  padding: 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  transition: var(--transition-base);
  overflow: hidden;
}

.produto-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-card);
  opacity: 0;
  transition: var(--transition-base);
}

.produto-card:hover {
  border-color: var(--border-color-hover);
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

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

.produto-card.featured {
  background: linear-gradient(
    145deg,
    rgba(249, 115, 22, 0.1) 0%,
    rgba(249, 115, 22, 0.02) 100%
  );
  border-color: rgba(249, 115, 22, 0.3);
}

.produto-card.featured:hover {
  border-color: var(--primary-500);
  box-shadow: var(--shadow-glow);
}

.produto-card.highlight {
  background: var(--gradient-primary);
  border: none;
}

.produto-card.highlight .produto-icon,
.produto-card.highlight .produto-number,
.produto-card.highlight .produto-title,
.produto-card.highlight .produto-desc,
.produto-card.highlight .produto-features li {
  color: var(--text-primary);
}

.produto-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  padding: 0.375rem 0.75rem;
  background: var(--primary-500);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.produto-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(30, 77, 140, 0.15);
  border-radius: var(--radius-lg);
  color: var(--secondary-600);
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
  position: relative;
  z-index: 1;
}

.produto-card.featured .produto-icon {
  background: rgba(244, 121, 32, 0.15);
  color: var(--primary-500);
}

.produto-card.highlight .produto-icon {
  background: rgba(255, 255, 255, 0.2);
}

.produto-number {
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
  position: relative;
  z-index: 1;
}

.produto-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  position: relative;
  z-index: 1;
}

.produto-desc {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
  position: relative;
  z-index: 1;
}

.produto-features {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  position: relative;
  z-index: 1;
}

.produto-features li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--text-tertiary);
}

.produto-features li i {
  color: var(--secondary-600);
  font-size: 0.75rem;
}

.produto-card.featured .produto-features li i {
  color: var(--primary-500);
}

.produto-card.highlight .produto-features li i {
  color: var(--text-primary);
}

/* ============================================
   Diferenciais Section
   ============================================ */
.diferenciais {
  background: var(--bg-secondary);
}

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

@media (min-width: 1024px) {
  .diferenciais-wrapper {
    grid-template-columns: 1.2fr 1fr;
  }
}

.diferenciais-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-top: 2rem;
}

.diferencial-item {
  display: flex;
  gap: 1.5rem;
  padding: 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  transition: var(--transition-base);
}

.diferencial-item:hover {
  border-color: var(--border-color-hover);
  background: var(--bg-card-hover);
}

.diferencial-number {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--secondary-600);
  line-height: 1;
}

.diferencial-content h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.diferencial-content p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
}

.diferenciais-visual {
  position: sticky;
  top: 120px;
}

.visual-card {
  padding: 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-2xl);
}

.visual-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.visual-stat {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background: var(--bg-tertiary);
  border-radius: var(--radius-lg);
}

.visual-stat i {
  font-size: 1.5rem;
  color: var(--secondary-600);
}

.visual-stat-number {
  display: block;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
}

.visual-stat-label {
  font-size: 0.75rem;
  color: var(--text-tertiary);
}

.visual-cta {
  text-align: center;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
}

.visual-cta p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

/* ============================================
   CTA Section
   ============================================ */
.cta-section {
  padding: 2rem 0;
}

.cta-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: 3rem 2rem;
  background: var(--gradient-primary);
  border-radius: var(--radius-2xl);
  text-align: center;
  position: relative;
  overflow: hidden;
}

@media (min-width: 768px) {
  .cta-card {
    flex-direction: row;
    text-align: left;
    padding: 3rem 4rem;
  }
}

.cta-card::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 60%;
  height: 200%;
  background: radial-gradient(ellipse, rgba(255,255,255,0.15) 0%, transparent 70%);
  pointer-events: none;
}

.cta-content h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 700;
  margin-bottom: 0.5rem;
  position: relative;
}

.cta-content p {
  font-size: 1rem;
  opacity: 0.9;
  max-width: 500px;
  position: relative;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  position: relative;
}

/* ============================================
   Contato Section
   ============================================ */
.contato-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4rem;
}

@media (min-width: 1024px) {
  .contato-grid {
    grid-template-columns: 1fr 1.2fr;
  }
}

.contato-text {
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

.contato-cards {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2rem;
}

.contato-card {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  transition: var(--transition-base);
}

.contato-card:hover {
  border-color: var(--border-color-hover);
}

.contato-card-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(249, 115, 22, 0.1);
  border-radius: var(--radius-md);
  color: var(--primary-500);
  font-size: 1.125rem;
  flex-shrink: 0;
}

.contato-card-content h4 {
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.contato-card-content p {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.contato-social {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.contato-social span {
  font-size: 0.875rem;
  color: var(--text-tertiary);
}

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

.social-link {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: 1rem;
  transition: var(--transition-base);
}

.social-link:hover {
  background: var(--primary-500);
  border-color: var(--primary-500);
  color: var(--text-primary);
}

/* Contact Form */
.contato-form-wrapper {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-2xl);
  padding: 2rem;
}

@media (min-width: 640px) {
  .contato-form-wrapper {
    padding: 3rem;
  }
}

.form-header {
  margin-bottom: 2rem;
}

.form-header h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.form-header p {
  font-size: 0.9375rem;
  color: var(--text-tertiary);
}

.form-row {
  margin-bottom: 1.25rem;
}

.form-row-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 640px) {
  .form-row-2 {
    grid-template-columns: repeat(2, 1fr);
  }
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  transition: var(--transition-fast);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-500);
  box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.1);
}

.form-group select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2371717a'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: 1rem;
  padding-right: 2.5rem;
}

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

.form-notice {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1rem;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.form-notice i {
  font-size: 0.75rem;
}

/* ============================================
   Map Section
   ============================================ */
.map-section {
  position: relative;
}

.map-section iframe {
  display: block;
  filter: grayscale(1) invert(0.95) contrast(0.9);
}

/* ============================================
   Footer
   ============================================ */
.footer {
  background: var(--bg-secondary);
  padding: 4rem 0 0;
  border-top: 1px solid var(--border-color);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand {
  max-width: 280px;
}

.footer-brand .logo {
  margin-bottom: 1rem;
}

.footer-brand p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

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

.footer-links h4,
.footer-contact h4 {
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1.25rem;
  color: var(--text-primary);
}

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

.footer-links a {
  font-size: 0.9375rem;
  color: var(--text-secondary);
}

.footer-links a:hover {
  color: var(--primary-500);
}

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

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.9375rem;
  color: var(--text-secondary);
}

.footer-contact li i {
  color: var(--secondary-600);
  margin-top: 0.25rem;
}

.footer-bottom {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  padding: 1.5rem 0;
  border-top: 1px solid var(--border-color);
  text-align: center;
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
  }
}

.footer-bottom p {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.footer-credits a {
  color: var(--primary-500);
}

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

/* ============================================
   Back to Top
   ============================================ */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  border-radius: var(--radius-lg);
  color: var(--text-primary);
  font-size: 1.125rem;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: var(--transition-base);
  z-index: 100;
}

.back-to-top:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
}

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

/* ============================================
   Modal
   ============================================ */
.modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-base);
}

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

.modal-content {
  max-width: 400px;
  width: 100%;
  padding: 3rem 2rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-2xl);
  text-align: center;
  transform: scale(0.9);
  transition: var(--transition-base);
}

.modal.active .modal-content {
  transform: scale(1);
}

.modal-icon {
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  background: rgba(34, 197, 94, 0.1);
  border-radius: 50%;
  color: #22c55e;
  font-size: 2.5rem;
}

.modal-content h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.modal-content p {
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

/* ============================================
   Animations (AOS Alternative)
   ============================================ */
[data-aos] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-aos="fade-up"].aos-animate {
  opacity: 1;
  transform: translateY(0);
}

[data-aos="fade-right"] {
  transform: translateX(-30px);
}

[data-aos="fade-right"].aos-animate {
  opacity: 1;
  transform: translateX(0);
}

[data-aos="fade-left"] {
  transform: translateX(30px);
}

[data-aos="fade-left"].aos-animate {
  opacity: 1;
  transform: translateX(0);
}

[data-aos="zoom-in"] {
  transform: scale(0.95);
}

[data-aos="zoom-in"].aos-animate {
  opacity: 1;
  transform: scale(1);
}

/* ============================================
   Responsive Utilities
   ============================================ */
@media (max-width: 640px) {
  .hero-actions .btn {
    width: 100%;
    justify-content: center;
  }

  .sobre-features {
    grid-template-columns: 1fr;
  }

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

/* ============================================
   Print Styles
   ============================================ */
@media print {
  .header,
  .hero-bg,
  .back-to-top,
  .modal,
  .loader {
    display: none !important;
  }

  body {
    background: white;
    color: black;
  }

  .section {
    page-break-inside: avoid;
  }
}