/* ==========================================
   RESET & BASE STYLES
   ========================================== */

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

:root {
  /* Colors */
  --primary-600: #2563eb;
  --primary-700: #1d4ed8;
  --primary-50: #eff6ff;
  --gray-900: #111827;
  --gray-800: #1f2937;
  --gray-700: #374151;
  --gray-600: #4b5563;
  --gray-500: #6b7280;
  --gray-400: #9ca3af;
  --gray-300: #d1d5db;
  --gray-200: #e5e7eb;
  --gray-100: #f3f4f6;
  --gray-50: #f9fafb;
  --white: #ffffff;
  --green-500: #10b981;
  --green-600: #059669;
  --red-500: #ef4444;
  --yellow-400: #fbbf24;

  /* Spacing */
  --spacing-1: 0.25rem;
  --spacing-2: 0.5rem;
  --spacing-3: 0.75rem;
  --spacing-4: 1rem;
  --spacing-5: 1.25rem;
  --spacing-6: 1.5rem;
  --spacing-8: 2rem;
  --spacing-10: 2.5rem;
  --spacing-12: 3rem;
  --spacing-16: 4rem;
  --spacing-20: 5rem;
  --spacing-24: 6rem;

  /* Typography */
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  --font-size-6xl: 3.75rem;

  --header-height-desktop: 79px;
  --header-height-mobile: 71px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1),
    0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1),
    0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1),
    0 10px 10px -5px rgba(0, 0, 0, 0.04);

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

  /* Transitions */
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--gray-900);
  background-color: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

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

ul {
  list-style: none;
}

/* ==========================================
   UTILITY CLASSES
   ========================================== */

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--spacing-6);
}

.text-gradient {
  background: linear-gradient(135deg, var(--primary-600) 0%, #7c3aed 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-strike {
  position: relative;
  display: inline-block;
}

.text-strike::after {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 100%;
  height: 2px;
  background-color: var(--red-500);
  transform: rotate(-5deg);
}

/* ==========================================
   HEADER & NAVIGATION
   ========================================== */

.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

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

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-4) var(--spacing-6);
}

header > .nav {
  @media (max-width: 768px) {
    padding: 1rem var(--spacing-4);
  }
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--gray-900);
}

.logo-icon {
  font-size: var(--font-size-2xl);
}

.logo-text strong {
  color: var(--primary-600);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-8);
}

.nav-link {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--gray-700);
  transition: var(--transition);
  position: relative;
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary-600);
  transition: var(--transition);
}

.nav-link:hover {
  color: var(--primary-600);
}

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

.nav-cta {
  margin-left: var(--spacing-4);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: var(--spacing-2);
}

.hamburger,
.hamburger::before,
.hamburger::after {
  width: 24px;
  height: 2px;
  background-color: var(--gray-900);
  transition: var(--transition);
}

.hamburger {
  position: relative;
}

.hamburger::before,
.hamburger::after {
  content: "";
  position: absolute;
  left: 0;
}

.hamburger::before {
  top: -8px;
}

.hamburger::after {
  bottom: -8px;
}

/* ==========================================
   BUTTONS
   ========================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-2);
  padding: var(--spacing-3) var(--spacing-6);
  font-size: var(--font-size-sm);
  font-weight: 600;
  border-radius: var(--radius);
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--primary-600);
  color: var(--white);
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background-color: var(--primary-700);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: var(--white);
  color: var(--gray-700);
  border: 2px solid var(--gray-300);
}

.btn-secondary:hover {
  background-color: var(--gray-50);
  border-color: var(--gray-400);
}

.btn-lg {
  padding: var(--spacing-4) var(--spacing-8);
  font-size: var(--font-size-base);
}

.btn-block {
  width: 100%;
}

.btn-icon {
  transition: var(--transition);
}

.btn:hover .btn-icon {
  transform: translateX(4px);
}

/* ==========================================
   BLACK NOVEMBER BANNER
   ========================================== */

.black-november-banner {
  position: relative;
  overflow: hidden;
  width: 100%;
  display: block;
  padding-top: var(--header-height-desktop);

  @media (max-width: 768px) {
    padding-top: var(--header-height-mobile);
  }
}

.banner-image {
  width: 100%;
}

/* ==========================================
   HERO SECTION
   ========================================== */

.hero {
  padding: calc(80px + var(--spacing-24)) 0 var(--spacing-24);
  background: linear-gradient(180deg, var(--gray-50) 0%, var(--white) 100%);
  overflow: hidden;

  @media (max-width: 768px) {
    padding-bottom: 0;
  }
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-16);
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2);
  padding: var(--spacing-2) var(--spacing-4);
  background-color: var(--primary-50);
  color: var(--primary-700);
  font-size: var(--font-size-sm);
  font-weight: 600;
  border-radius: var(--radius-full);
  margin-bottom: var(--spacing-6);
}

.hero-title {
  font-size: var(--font-size-5xl);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: var(--spacing-6);
  color: var(--gray-900);
}

.hero-description {
  font-size: var(--font-size-lg);
  color: var(--gray-600);
  margin-bottom: var(--spacing-8);
  line-height: 1.7;
}

.hero-cta {
  display: flex;
  gap: var(--spacing-4);
  margin-bottom: var(--spacing-12);
}

.hero-social-proof {
  display: flex;
  gap: var(--spacing-10);
  padding-top: var(--spacing-8);
  border-top: 1px solid var(--gray-200);
}

.social-proof-item {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-1);

  @media (max-width: 768px) {
    align-items: center;
  }
}

.social-proof-number {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  color: var(--primary-600);
}

.social-proof-label {
  font-size: var(--font-size-sm);
  color: var(--gray-600);
}

.hero-image-wrapper {
  position: relative;
  height: 500px;
}

.floating-card {
  position: absolute;
  background-color: var(--white);
  padding: var(--spacing-5);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  display: flex;
  align-items: center;
  gap: var(--spacing-4);
  animation: float 3s ease-in-out infinite;
}

.card-1 {
  top: 20%;
  left: 10%;
  animation-delay: 0s;
}

.card-2 {
  top: 50%;
  right: 10%;
  animation-delay: 0.5s;
}

.card-3 {
  bottom: 15%;
  left: 20%;
  animation-delay: 1s;
}

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

.card-icon {
  font-size: var(--font-size-3xl);
}

.card-title {
  font-size: var(--font-size-xs);
  color: var(--gray-600);
  font-weight: 500;
}

.card-value {
  font-size: var(--font-size-lg);
  color: var(--gray-900);
  font-weight: 700;
}

/* ==========================================
   SECTION HEADERS
   ========================================== */

.section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--spacing-16);
}

.section-badge {
  display: inline-block;
  padding: var(--spacing-2) var(--spacing-4);
  background-color: var(--primary-50);
  color: var(--primary-700);
  font-size: var(--font-size-sm);
  font-weight: 600;
  border-radius: var(--radius-full);
  margin-bottom: var(--spacing-4);
}

.section-title {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  color: var(--gray-900);
  margin-bottom: var(--spacing-4);
  line-height: 1.2;
}

.section-description {
  font-size: var(--font-size-lg);
  color: var(--gray-600);
  line-height: 1.7;
}

/* ==========================================
   PROBLEMS SECTION
   ========================================== */

.problems {
  padding: var(--spacing-24) 0;
  background-color: var(--white);
}

.problems-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-8);
}

.problem-card {
  padding: var(--spacing-8);
  background-color: var(--gray-50);
  border-radius: var(--radius-lg);
  transition: var(--transition);
}

.problem-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  background-color: var(--white);
}

.problem-icon {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--spacing-4);
}

.problem-title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: var(--spacing-3);
}

.problem-description {
  color: var(--gray-600);
  line-height: 1.7;
}

/* ==========================================
   SOLUTION PREVIEW SECTION
   ========================================== */

.solution-preview {
  padding: var(--spacing-24) 0;
  background: linear-gradient(
    135deg,
    var(--primary-50) 0%,
    var(--gray-50) 100%
  );
}

.solution-text {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;

  & h2,
  & p {
    text-align: center;
  }
}

.solution-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-16);
  align-items: center;
}

.solution-description {
  font-size: var(--font-size-lg);
  color: var(--gray-600);
  margin-bottom: var(--spacing-6);
  line-height: 1.7;
}

.solution-list {
  margin-bottom: var(--spacing-8);
}

.solution-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  padding: var(--spacing-3) 0;
  font-size: var(--font-size-base);
  color: var(--gray-700);
}

.check-icon {
  flex-shrink: 0;
  color: var(--green-500);
}

.comparison {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-6);
}

.comparison-before,
.comparison-after {
  flex: 1;
  padding: var(--spacing-8);
  background-color: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  text-align: center;
}

.comparison-label {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--gray-600);
  margin-bottom: var(--spacing-4);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.mess-icon,
.clean-icon {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--spacing-3);
}

.comparison-content p {
  font-weight: 600;
  color: var(--gray-900);
}

.comparison-arrow {
  font-size: var(--font-size-3xl);
  color: var(--primary-600);
  font-weight: 700;
}

/* ==========================================
   FEATURES SECTION
   ========================================== */

.features {
  padding: var(--spacing-24) 0;
  background-color: var(--white);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-8);
}

.feature-card {
  padding: var(--spacing-8);
  background-color: var(--gray-50);
  border-radius: var(--radius-lg);
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  background-color: var(--white);
}

.feature-icon {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--spacing-4);
}

.feature-title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: var(--spacing-3);
}

.feature-description {
  color: var(--gray-600);
  line-height: 1.7;
  margin-bottom: var(--spacing-4);
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2);
}

.feature-list li {
  font-size: var(--font-size-sm);
  color: var(--gray-600);
  padding-left: var(--spacing-5);
  position: relative;
}

.feature-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--green-500);
  font-weight: 700;
}

/* ==========================================
   BENEFITS SECTION
   ========================================== */

.benefits {
  padding: var(--spacing-24) 0;
  background: linear-gradient(180deg, var(--white) 0%, var(--gray-50) 100%);
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-8);
}

.benefit-card {
  padding: var(--spacing-8);
  background-color: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  text-align: center;
  transition: var(--transition);
}

.benefit-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.benefit-number {
  font-size: var(--font-size-5xl);
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary-600) 0%, #7c3aed 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--spacing-4);
}

.benefit-title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: var(--spacing-3);
}

.benefit-description {
  color: var(--gray-600);
  line-height: 1.7;
}

/* ==========================================
   black november SECTION
   ========================================== */

.black-promo-section {
  background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}

.black-promo-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(
      circle at 20% 50%,
      rgba(255, 107, 0, 0.08),
      transparent 50%
    ),
    radial-gradient(circle at 80% 50%, rgba(255, 179, 0, 0.08), transparent 50%);
  pointer-events: none;
}

.black-promo-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
  position: relative;
  z-index: 1;
}

/* Left Side - Promotional Content */
.promo-content {
  color: #fff;
}

.promo-badge {
  display: inline-block;
  background: linear-gradient(135deg, #ff6b00 0%, #ff9500 100%);
  color: #fff;
  padding: 8px 20px;
  border-radius: 30px;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 20px;
  animation: pulse 2s ease-in-out infinite;
}

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

.promo-title {
  font-size: 2.8rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 20px;
  color: #fff;
}

.promo-title .highlight-text {
  background: linear-gradient(135deg, #ff6b00 0%, #ffb300 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.promo-description {
  font-size: 1.15rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 40px;
}

.promo-benefits {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-bottom: 40px;
}

.promo-benefit {
  display: flex;
  gap: 15px;
  background: rgba(255, 255, 255, 0.05);
  padding: 20px;
  border-radius: 12px;
  border-left: 3px solid #ff6b00;
  transition: all 0.3s ease;
}

.promo-benefit:hover {
  background: rgba(255, 255, 255, 0.08);
  transform: translateX(5px);
  border-left-color: #ffb300;
}

.benefit-icon {
  font-size: 2rem;
  flex-shrink: 0;
}

.benefit-text h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 5px;
  color: #fff;
}

.benefit-text p {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.5;
  margin: 0;
}

.promo-cta {
  margin-top: 40px;
}

.btn-whatsapp-promo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  background: linear-gradient(135deg, #25d366 0%, #128c7e 100%);
  color: #fff;
  padding: 18px 36px;
  border-radius: 50px;
  font-size: 1.05rem;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.3s ease;
  box-shadow: 0 10px 30px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp-promo:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 40px rgba(37, 211, 102, 0.4);
  background: linear-gradient(135deg, #128c7e 0%, #075e54 100%);
}

.promo-urgency {
  margin-top: 15px;
  font-size: 0.95rem;
  color: #ffb300;
  font-weight: 600;
  text-align: center;
}

/* Right Side - Contact Form */
.promo-form-container {
  background: #fff;
  padding: 40px;
  border-radius: 16px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  position: sticky;
  top: 100px;
}

.form-header {
  margin-bottom: 30px;
  text-align: center;
}

.form-title {
  font-size: 1.8rem;
  font-weight: 800;
  color: #1a1a1a;
  margin-bottom: 10px;
}

.form-subtitle {
  font-size: 0.95rem;
  color: #666;
  line-height: 1.6;
}

.promo-contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: #333;
}

.form-input,
.form-textarea {
  padding: 14px 16px;
  border: 2px solid #e0e0e0;
  border-radius: 8px;
  font-size: 1rem;
  font-family: inherit;
  transition: all 0.3s ease;
  background: #fff;
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: #ff6b00;
  box-shadow: 0 0 0 3px rgba(255, 107, 0, 0.1);
}

.form-textarea {
  resize: vertical;
  min-height: 100px;
}

.btn-submit-promo {
  background: linear-gradient(135deg, #ff6b00 0%, #ff9500 100%);
  color: #fff;
  padding: 16px 32px;
  border: none;
  border-radius: 50px;
  font-size: 1.05rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 10px 30px rgba(255, 107, 0, 0.3);
  margin-top: 10px;
}

.btn-submit-promo:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 15px 40px rgba(255, 107, 0, 0.4);
  background: linear-gradient(135deg, #ff9500 0%, #ffb300 100%);
}

.btn-submit-promo:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.form-privacy {
  font-size: 0.85rem;
  color: #999;
  text-align: center;
  margin-top: 10px;
}

.form-link {
  color: #ff6b00;
  text-decoration: none;
  font-weight: 600;
}

.form-link:hover {
  text-decoration: underline;
}

/* Success/Error Messages */
.form-message {
  padding: 16px;
  border-radius: 8px;
  font-size: 0.95rem;
  margin-bottom: 20px;
  text-align: center;
  animation: slideIn 0.3s ease;
}

.form-message.success {
  background: #d4edda;
  color: #155724;
  border: 1px solid #c3e6cb;
}

.form-message.error {
  background: #f8d7da;
  color: #721c24;
  border: 1px solid #f5c6cb;
}

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

/* Responsive Design */
@media (max-width: 1024px) {
  .black-promo-grid {
    gap: 40px;
  }

  .promo-title {
    font-size: 2.3rem;
  }

  .promo-form-container {
    position: relative;
    top: 0;
  }
}

@media (max-width: 768px) {
  .black-promo-section {
    padding: 60px 0;
  }

  .black-promo-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .promo-title {
    font-size: 2rem;
  }

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

  .promo-benefits {
    gap: 15px;
  }

  .promo-benefit {
    padding: 16px;
  }

  .btn-whatsapp-promo {
    width: 100%;
    padding: 16px 24px;
    font-size: 1rem;
  }

  .promo-form-container {
    padding: 30px 20px;
  }

  .form-title {
    font-size: 1.5rem;
  }
}

/* ==========================================
   TESTIMONIALS SECTION
   ========================================== */

.testimonials {
  padding: var(--spacing-24) 0;
  background-color: var(--white);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-8);
}

.testimonial-card {
  padding: var(--spacing-8);
  background-color: var(--gray-50);
  border-radius: var(--radius-lg);
  transition: var(--transition);
}

.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  background-color: var(--white);
}

.testimonial-stars {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-4);
}

.testimonial-text {
  color: var(--gray-700);
  line-height: 1.7;
  margin-bottom: var(--spacing-6);
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--spacing-4);
}

.author-avatar {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--primary-600) 0%, #7c3aed 100%);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: var(--font-size-sm);
}

.author-name {
  font-weight: 600;
  color: var(--gray-900);
}

.author-role {
  font-size: var(--font-size-sm);
  color: var(--gray-600);
}

/* ==========================================
   CTA SECTION
   ========================================== */

.cta-section {
  padding: var(--spacing-24) 0;
  background: linear-gradient(135deg, var(--primary-600) 0%, #7c3aed 100%);
  color: var(--white);
}

.cta-content {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.cta-title {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  margin-bottom: var(--spacing-4);
}

.cta-description {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-8);
  opacity: 0.95;
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: var(--spacing-4);
  margin-bottom: var(--spacing-8);
}

.cta-buttons .btn-secondary {
  background-color: rgba(255, 255, 255, 0.2);
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(10px);
}

.cta-buttons .btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.3);
  border-color: rgba(255, 255, 255, 0.5);
}

.cta-guarantee {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-3);
  font-size: var(--font-size-sm);
  opacity: 0.9;
}

/* ==========================================
   CONTACT SECTION
   ========================================== */

.contact {
  padding: var(--spacing-24) 0;
  background-color: var(--gray-50);
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-16);
}

.contact-title {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  color: var(--gray-900);
  margin-bottom: var(--spacing-4);
}

.contact-description {
  font-size: var(--font-size-base);
  color: var(--gray-600);
  line-height: 1.7;
  margin-bottom: var(--spacing-6);
}

.contact-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4);
}

.contact-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  color: var(--gray-700);
}

.contact-icon {
  flex-shrink: 0;
  color: var(--green-500);
}

.contact-form {
  background-color: var(--white);
  padding: var(--spacing-8);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-6);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2);
}

.form-group-full {
  grid-column: 1 / -1;
}

.form-label {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--gray-700);
}

.form-input,
.form-textarea {
  padding: var(--spacing-3) var(--spacing-4);
  border: 2px solid var(--gray-300);
  border-radius: var(--radius);
  font-size: var(--font-size-base);
  font-family: inherit;
  transition: var(--transition);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--primary-600);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-textarea {
  resize: vertical;
}

.contact-form .btn {
  grid-column: 1 / -1;
  margin-top: var(--spacing-4);
}

.form-privacy {
  grid-column: 1 / -1;
  font-size: var(--font-size-xs);
  color: var(--gray-600);
  text-align: center;
}

.form-link {
  color: var(--primary-600);
  text-decoration: underline;
}

/* ==========================================
   FOOTER
   ========================================== */

.footer {
  background-color: var(--gray-900);
  color: var(--gray-300);
  padding: var(--spacing-16) 0 var(--spacing-8);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 3fr;
  gap: var(--spacing-16);
  margin-bottom: var(--spacing-12);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--white);
  margin-bottom: var(--spacing-4);
}

.footer-description {
  color: var(--gray-400);
  line-height: 1.7;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-8);
}

.footer-title {
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--white);
  margin-bottom: var(--spacing-4);
}

.footer-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3);
}

.footer-link {
  color: var(--gray-400);
  font-size: var(--font-size-sm);
  transition: var(--transition);
}

.footer-link:hover {
  color: var(--white);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--spacing-8);
  border-top: 1px solid var(--gray-800);
}

.footer-copyright {
  font-size: var(--font-size-sm);
  color: var(--gray-500);
}

.footer-social {
  display: flex;
  gap: var(--spacing-4);
}

.social-link {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--gray-800);
  color: var(--gray-400);
  border-radius: var(--radius);
  transition: var(--transition);
}

.social-link:hover {
  background-color: var(--primary-600);
  color: var(--white);
  transform: translateY(-2px);
}

/* ==========================================
   RESPONSIVE DESIGN
   ========================================== */

@media (max-width: 1024px) {
  .hero-content,
  .solution-content,
  .contact-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-12);
  }

  .hero-image {
    order: -1;
  }

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

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

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

  .pricing-featured {
    transform: scale(1);
  }

  .pricing-featured:hover {
    transform: translateY(-8px);
  }

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

  .comparison-row {
    grid-template-columns: 1.5fr 1fr 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --font-size-5xl: 2.25rem;
    --font-size-4xl: 1.875rem;
    --font-size-3xl: 1.5rem;
  }

  .nav-menu {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    flex-direction: column;
    background-color: var(--white);
    padding: var(--spacing-8);
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    gap: var(--spacing-4);
    align-items: flex-start;
  }

  .nav-menu.active {
    left: 0;
  }

  .nav-cta {
    margin-left: 0;
    width: 100%;
  }

  .nav-cta .btn {
    width: 100%;
  }

  .nav-toggle {
    display: flex;
  }

  .hero {
    padding-top: calc(80px + var(--spacing-12));
  }

  .hero-title {
    font-size: var(--font-size-4xl);
  }

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

  .hero-cta .btn {
    width: 100%;
  }

  .hero-social-proof {
    gap: var(--spacing-6);
  }

  .hero-image-wrapper {
    height: 300px;
  }

  .features-grid,
  .benefits-grid,
  .testimonials-grid,
  .problems-grid {
    grid-template-columns: 1fr;
  }

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

  .pricing-featured {
    transform: scale(1);
  }

  .pricing-badge-featured {
    top: -12px;
    font-size: var(--font-size-xs);
    padding: var(--spacing-1) var(--spacing-4);
  }

  .roi-content {
    flex-direction: column;
    text-align: center;
  }

  .pricing-guarantee {
    flex-direction: column;
    text-align: center;
  }

  /* MOBILE: Layout completamente novo para comparação */
  .pricing-comparison {
    padding: var(--spacing-6);
  }

  .comparison-title {
    font-size: var(--font-size-xl);
    line-height: 1.3;
    margin-bottom: var(--spacing-3);
  }

  .comparison-subtitle {
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-6);
  }

  .comparison-table {
    display: none !important; /* Esconde a tabela completamente no mobile */
  }

  /* Remove pseudo-elements desnecessários */

  .comparison-note {
    padding: var(--spacing-4);
    font-size: var(--font-size-sm);
    line-height: 1.5;
    margin-top: var(--spacing-6);
  }

  /* Novo layout mobile: Cards de comparação lado a lado */
  .mobile-comparison-grid {
    display: grid;
    gap: var(--spacing-5);
  }

  .mobile-comparison-item {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
  }

  .mobile-comparison-header {
    background: linear-gradient(
      135deg,
      var(--gray-900) 0%,
      var(--gray-800) 100%
    );
    color: var(--white);
    padding: var(--spacing-4);
    font-weight: 700;
    font-size: var(--font-size-base);
    text-align: center;
  }

  .mobile-comparison-body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    background: var(--gray-300);
  }

  .mobile-comparison-col {
    background: var(--white);
    padding: var(--spacing-4);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
  }

  .mobile-comparison-col.old {
    background: #fff5f5;
    border-left: 3px solid var(--red-500);
  }

  .mobile-comparison-col.new {
    background: #f0fdf4;
    border-right: 3px solid var(--green-500);
  }

  .mobile-comparison-label {
    font-size: var(--font-size-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-1);
  }

  .mobile-comparison-col.old .mobile-comparison-label {
    color: var(--red-500);
  }

  .mobile-comparison-col.new .mobile-comparison-label {
    color: var(--green-600);
  }

  .mobile-comparison-value {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--gray-900);
    line-height: 1.4;
  }

  .mobile-comparison-value strong {
    font-size: var(--font-size-base);
    display: block;
    margin-bottom: var(--spacing-1);
  }

  .mobile-comparison-value small {
    font-size: var(--font-size-xs);
    color: var(--gray-600);
    font-weight: 400;
    display: block;
  }

  /* Destaque especial para ROI e Custo Total */
  .mobile-comparison-highlight {
    background: linear-gradient(135deg, var(--primary-600) 0%, #7c3aed 100%);
    margin-top: var(--spacing-4);
  }

  .mobile-comparison-highlight .mobile-comparison-header {
    background: transparent;
    font-size: var(--font-size-lg);
  }

  .mobile-comparison-highlight .mobile-comparison-col {
    padding: var(--spacing-5);
  }

  .mobile-comparison-highlight .mobile-comparison-value {
    color: var(--white);
    font-size: var(--font-size-base);
  }

  .mobile-comparison-highlight .mobile-comparison-value strong {
    font-size: var(--font-size-xl);
    color: var(--white);
  }

  .mobile-comparison-highlight .mobile-comparison-label {
    color: rgba(255, 255, 255, 0.9);
  }

  .mobile-comparison-highlight .mobile-comparison-col.old {
    background: rgba(239, 68, 68, 0.2);
    border-left-color: rgba(255, 255, 255, 0.5);
  }

  .mobile-comparison-highlight .mobile-comparison-col.new {
    background: rgba(16, 185, 129, 0.2);
    border-right-color: rgba(255, 255, 255, 0.5);
  }

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

  .comparison {
    flex-direction: column;
  }

  .comparison-arrow {
    transform: rotate(90deg);
  }

  .cta-buttons {
    flex-direction: column;
  }

  .cta-buttons .btn {
    width: 100%;
  }

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

  .footer-content {
    grid-template-columns: 1fr;
  }

  .footer-links {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--spacing-6);
    text-align: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-4);
  }

  .hero-title {
    font-size: var(--font-size-3xl);
  }

  .section-title {
    font-size: var(--font-size-3xl);
  }

  .cta-title {
    font-size: var(--font-size-3xl);
  }
}

/* ==========================================
   ANIMATIONS & PERFORMANCE
   ========================================== */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Optimize font loading */
@media (min-width: 769px) {
  body {
    text-rendering: optimizeLegibility;
  }
}

/* GPU acceleration for animations */
.floating-card,
.btn,
.feature-card,
.problem-card,
.benefit-card,
.testimonial-card {
  will-change: transform;
}

/* Print styles */
@media print {
  .header,
  .nav-toggle,
  .cta-section,
  .contact,
  .footer {
    display: none;
  }
}

/* ==========================================
   WHATSAPP FLOATING BUTTON
   ========================================== */

.whatsapp-float {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 60px;
  height: 60px;
  background: #25d366;
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
  z-index: 1000;
  transition: all 0.3s ease;
  text-decoration: none;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.6);
  background: #20ba5a;
}

.whatsapp-float svg {
  width: 32px;
  height: 32px;
}

@media (max-width: 768px) {
  .whatsapp-float {
    bottom: 20px;
    right: 20px;
    width: 56px;
    height: 56px;
  }

  .whatsapp-float svg {
    width: 28px;
    height: 28px;
  }
}

/* ==========================================
   CONTACT WHATSAPP INFO
   ========================================== */

.contact-whatsapp {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  padding: var(--spacing-4);
  background: linear-gradient(135deg, #25d366 0%, #20ba5a 100%);
  color: var(--white);
  border-radius: 12px;
  margin-bottom: var(--spacing-6);
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.2);
}

.contact-whatsapp .contact-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  color: var(--white);
}

.contact-whatsapp strong {
  display: block;
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-1);
  opacity: 0.9;
}

.contact-whatsapp a {
  color: var(--white);
  font-size: var(--font-size-lg);
  font-weight: 600;
  text-decoration: none;
  transition: opacity 0.2s ease;
}

.contact-whatsapp a:hover {
  opacity: 0.8;
  text-decoration: underline;
}