/* ============================================
   FRIOCORDOBA - Diseño Moderno 2024
   ============================================ */

/* ============================================
   Variables CSS
   ============================================ */
:root {
  /* Colores principales - Paleta moderna */
  --primary: #0066FF;
  --primary-dark: #0052CC;
  --primary-light: #3385FF;
  --primary-hover: #0052E0;
  
  /* Gradientes */
  --gradient-primary: linear-gradient(135deg, #0066FF 0%, #00C9FF 100%);
  --gradient-dark: linear-gradient(135deg, #1a1f36 0%, #0f1419 100%);
  --gradient-light: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
  
  /* WhatsApp */
  --whatsapp: #25D366;
  --whatsapp-dark: #1DA851;
  --whatsapp-hover: #1EBE5D;
  
  /* Colores de servicio */
  --blue: #0066FF;
  --green: #10B981;
  --purple: #8B5CF6;
  --cyan: #06B6D4;
  --orange: #F59E0B;
  --red: #EF4444;
  
  /* Neutros */
  --text: #1e293b;
  --text-light: #475569;
  --text-muted: #94a3b8;
  --bg: #ffffff;
  --bg-alt: #f8fafc;
  --bg-dark: #0f172a;
  --border: #e2e8f0;
  --border-light: #f1f5f9;
  
  /* Sombras modernas */
  --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 2px 4px 0 rgba(0, 0, 0, 0.06);
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 6px 12px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 20px -5px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 20px 40px -10px rgba(0, 0, 0, 0.15);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  
  /* Radius */
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 6rem;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  line-height: 1.2;
  font-weight: 700;
  color: var(--text);
}

h1 {
  font-size: clamp(2.5rem, 5vw + 1rem, 4rem);
  font-weight: 800;
  letter-spacing: -0.03em;
}

h2 {
  font-size: clamp(2rem, 4vw + 0.5rem, 3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

h3 {
  font-size: clamp(1.25rem, 2vw, 1.5rem);
  font-weight: 600;
}

p {
  margin: 0;
  line-height: 1.7;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

a:hover {
  color: var(--primary-dark);
}

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

/* ============================================
   Containers
   ============================================ */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.container-fluid {
  width: 100%;
  padding: 0 1.5rem;
}

@media (min-width: 768px) {
  .container, .container-fluid {
    padding: 0 2rem;
  }
}

@media (min-width: 1280px) {
  .container, .container-fluid {
    padding: 0 3rem;
  }
}

/* ============================================
   Header
   ============================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-light);
  transition: all 0.3s ease;
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
  gap: 1rem;
}

.logo-img {
  height: 40px;
  width: auto;
  transition: transform 0.2s ease;
}

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

@media (min-width: 768px) {
  .logo-img {
    height: 50px;
  }
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.header-phone {
  display: none;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  color: var(--text);
  font-size: 0.95rem;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  transition: all 0.2s ease;
}

.header-phone:hover {
  background: var(--bg-alt);
  color: var(--primary);
}

@media (min-width: 640px) {
  .header-phone {
    display: flex;
  }
}

.btn-header-cta {
  display: inline-flex;
  align-items: center;
  padding: 0.625rem 1.5rem;
  background: var(--primary);
  color: white;
  font-weight: 600;
  font-size: 0.9rem;
  border-radius: var(--radius-full);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: var(--shadow-sm);
}

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

/* ============================================
   Hero Section Moderna
   ============================================ */
.hero-modern {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 8rem 0 4rem;
  overflow: hidden;
  background: var(--bg-dark);
}

.hero-gradient {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, 
    rgba(0, 102, 255, 0.95) 0%, 
    rgba(0, 201, 255, 0.85) 50%,
    rgba(15, 23, 42, 0.95) 100%);
  z-index: 0;
}

.hero-gradient::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('media/fondotituloinstalacionaa.jpg');
  background-size: cover;
  background-position: center;
  opacity: 0.15;
  z-index: -1;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
  position: relative;
  z-index: 10;
}

@media (min-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1.2fr 1fr;
    gap: 4rem;
  }
}

.hero-content {
  text-align: center;
  animation: fadeInUp 0.8s ease-out;
}

@media (min-width: 1024px) {
  .hero-content {
    text-align: left;
  }
}

.badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  color: white;
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-title {
  color: white;
  margin-bottom: 1.5rem;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.gradient-text {
  background: linear-gradient(135deg, #ffffff 0%, #a5f3fc 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 2rem;
  line-height: 1.7;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

@media (min-width: 1024px) {
  .hero-subtitle {
    margin-left: 0;
  }
}

.hero-cta-group {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 2.5rem;
}

@media (min-width: 1024px) {
  .hero-cta-group {
    justify-content: flex-start;
  }
}

.btn-primary-large {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 2rem;
  background: white;
  color: var(--primary);
  font-weight: 700;
  font-size: 1.05rem;
  border-radius: var(--radius-lg);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: var(--shadow-lg);
  border: 2px solid transparent;
}

.btn-primary-large:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
  color: var(--primary-dark);
}

.btn-whatsapp-large {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 2rem;
  background: var(--whatsapp);
  color: white;
  font-weight: 700;
  font-size: 1.05rem;
  border-radius: var(--radius-lg);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: var(--shadow-lg);
  border: 2px solid rgba(255, 255, 255, 0.2);
}

.btn-whatsapp-large:hover {
  background: var(--whatsapp-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
  color: white;
}

.hero-features {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
  justify-content: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

@media (min-width: 1024px) {
  .hero-features {
    justify-content: flex-start;
  }
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: rgba(255, 255, 255, 0.95);
  font-size: 0.95rem;
  font-weight: 500;
}

.feature-item svg {
  color: #10B981;
  stroke-width: 2.5;
}

/* ============================================
   Formularios Modernos
   ============================================ */
.hero-form-container {
  animation: fadeInUp 0.8s ease-out 0.2s both;
}

.modern-form, .modern-form-large {
  background: white;
  border-radius: var(--radius-xl);
  padding: 2rem;
  box-shadow: var(--shadow-2xl);
}

@media (min-width: 768px) {
  .modern-form, .modern-form-large {
    padding: 2.5rem;
  }
}

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

.form-header h3 {
  color: var(--text);
  margin-bottom: 0.5rem;
  font-size: 1.75rem;
}

.form-header p {
  color: var(--text-light);
  font-size: 0.95rem;
}

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

.form-field label {
  display: block;
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--text);
  margin-bottom: 0.5rem;
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 0.95rem;
  transition: all 0.2s ease;
  background: white;
  color: var(--text);
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(0, 102, 255, 0.1);
}

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

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

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

.form-checkbox {
  display: flex;
  align-items: start;
  gap: 0.75rem;
  margin: 1.5rem 0;
}

.form-checkbox input[type="checkbox"] {
  width: 20px;
  height: 20px;
  margin-top: 2px;
  cursor: pointer;
  accent-color: var(--primary);
}

.form-checkbox label {
  font-size: 0.9rem;
  color: var(--text-light);
  cursor: pointer;
}

.btn-form-submit,
.btn-form-submit-large {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 1rem 1.5rem;
  background: var(--primary);
  color: white;
  font-weight: 700;
  font-size: 1rem;
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: var(--shadow-md);
}

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

.btn-form-submit:active,
.btn-form-submit-large:active {
  transform: translateY(0);
}

.btn-form-submit:disabled,
.btn-form-submit-large:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.form-footer-note {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.85rem;
}

.form-footer-note svg {
  color: var(--primary);
}

.form-actions-group {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: stretch;
}

@media (min-width: 640px) {
  .form-actions-group {
    flex-direction: row;
    align-items: center;
  }
  
  .btn-form-submit-large {
    flex: 1;
  }
  
  .btn-whatsapp-alt {
    flex: 1;
  }
}

.separator-text {
  text-align: center;
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.875rem;
}

.btn-whatsapp-alt {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 1rem 1.5rem;
  background: var(--whatsapp);
  color: white;
  font-weight: 700;
  font-size: 1rem;
  border-radius: var(--radius-lg);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: var(--shadow-md);
}

.btn-whatsapp-alt:hover {
  background: var(--whatsapp-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: white;
}

.contact-footer-note {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  color: var(--text-light);
  font-size: 0.9rem;
  text-align: center;
}

.contact-footer-note svg {
  color: var(--primary);
  flex-shrink: 0;
}

.contact-footer-note a {
  color: var(--primary);
  font-weight: 600;
}

/* Form Messages */
.form-message {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  border-radius: var(--radius);
  margin-bottom: 1.5rem;
  font-weight: 500;
  font-size: 0.95rem;
  animation: slideDown 0.3s ease-out;
}

.form-message svg {
  flex-shrink: 0;
}

.form-message.success {
  background: #dcfce7;
  color: #166534;
  border: 2px solid #86efac;
}

.form-message.success svg {
  color: #16a34a;
}

.form-message.error {
  background: #fee2e2;
  color: #991b1b;
  border: 2px solid #fca5a5;
}

.form-message.error svg {
  color: #dc2626;
}

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

/* ============================================
   Services Section
   ============================================ */
.services-modern {
  padding: 6rem 0;
  background: white;
}

.section-title-center {
  text-align: center;
  margin-bottom: 4rem;
}

.section-label {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: var(--gradient-primary);
  color: white;
  font-weight: 600;
  font-size: 0.875rem;
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.section-title-center h2 {
  margin-bottom: 1rem;
}

.section-title-center p {
  font-size: 1.125rem;
  color: var(--text-light);
  max-width: 600px;
  margin: 0 auto;
}

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

.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

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

@media (min-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.service-card {
  background: white;
  border: 2px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-light);
}

.service-icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-lg);
  margin-bottom: 1.5rem;
  color: white;
  box-shadow: var(--shadow-md);
}

.service-icon.blue { background: var(--gradient-primary); }
.service-icon.green { background: linear-gradient(135deg, #10B981 0%, #34D399 100%); }
.service-icon.purple { background: linear-gradient(135deg, #8B5CF6 0%, #A78BFA 100%); }
.service-icon.cyan { background: linear-gradient(135deg, #06B6D4 0%, #22D3EE 100%); }
.service-icon.orange { background: linear-gradient(135deg, #F59E0B 0%, #FBBF24 100%); }
.service-icon.red { background: linear-gradient(135deg, #EF4444 0%, #F87171 100%); }

.service-card h3 {
  margin-bottom: 0.75rem;
  color: var(--text);
}

.service-card p {
  color: var(--text-light);
  line-height: 1.6;
}

/* ============================================
   CTA Guarantee Section
   ============================================ */
.cta-guarantee {
  padding: 6rem 0;
  background: var(--gradient-dark);
  color: white;
  position: relative;
  overflow: hidden;
}

.cta-guarantee::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0, 102, 255, 0.15) 0%, transparent 70%);
  border-radius: 50%;
}

.cta-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: center;
  text-align: center;
  position: relative;
  z-index: 10;
}

@media (min-width: 768px) {
  .cta-content {
    grid-template-columns: auto 1fr;
    text-align: left;
  }
}

.cta-icon {
  display: flex;
  justify-content: center;
  color: rgba(255, 255, 255, 0.9);
}

@media (min-width: 768px) {
  .cta-icon {
    justify-content: flex-start;
  }
}

.cta-text h2 {
  color: white;
  margin-bottom: 1rem;
}

.cta-text p {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 2rem;
  line-height: 1.7;
}

.cta-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
}

@media (min-width: 768px) {
  .cta-buttons {
    justify-content: flex-start;
  }
}

.btn-light-large {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 2rem;
  background: white;
  color: var(--text);
  font-weight: 700;
  font-size: 1.05rem;
  border-radius: var(--radius-lg);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: var(--shadow-lg);
}

.btn-light-large:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
  color: var(--primary);
}

.btn-outline-light {
  display: inline-flex;
  align-items: center;
  padding: 1rem 2rem;
  background: transparent;
  color: white;
  font-weight: 700;
  font-size: 1.05rem;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-lg);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: white;
  transform: translateY(-2px);
  color: white;
}

/* ============================================
   Benefits Section
   ============================================ */
.benefits-section {
  padding: 6rem 0;
  background: var(--bg-alt);
}

.benefits-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

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

@media (min-width: 1024px) {
  .benefits-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.benefit-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border: 2px solid transparent;
}

.benefit-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-light);
}

.benefit-number {
  font-size: 3rem;
  font-weight: 900;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 1rem;
}

.benefit-card h3 {
  margin-bottom: 0.75rem;
  color: var(--text);
}

.benefit-card p {
  color: var(--text-light);
  line-height: 1.6;
}

/* ============================================
   Contact Section
   ============================================ */
.contact-modern {
  padding: 6rem 0;
  background: white;
}

.contact-container {
  max-width: 800px;
  margin: 0 auto;
}

/* ============================================
   Footer
   ============================================ */
.footer-modern {
  background: var(--bg-dark);
  color: rgba(255, 255, 255, 0.8);
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
  }
}

.footer-col-brand {
  max-width: 400px;
}

.footer-logo {
  height: 50px;
  width: auto;
  margin-bottom: 1rem;
  filter: brightness(0) invert(1);
}

.footer-col-brand p {
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.footer-contact-info {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-phone {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: white;
  font-weight: 600;
  font-size: 1.125rem;
  transition: color 0.2s ease;
}

.footer-phone:hover {
  color: var(--primary-light);
}

.footer-col h4 {
  color: white;
  font-size: 1rem;
  margin-bottom: 1rem;
  font-weight: 600;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-col a {
  color: rgba(255, 255, 255, 0.7);
  transition: color 0.2s ease;
  font-size: 0.95rem;
}

.footer-col a:hover {
  color: white;
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
}

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

.spin {
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

/* ============================================
   Utilities
   ============================================ */
.text-center {
  text-align: center;
}

.text-left {
  text-align: left;
}

.text-right {
  text-align: right;
}

/* ============================================
   Responsive Adjustments
   ============================================ */
@media (max-width: 640px) {
  .hero-modern {
    padding: 6rem 0 3rem;
  }
  
  .services-modern,
  .cta-guarantee,
  .benefits-section,
  .contact-modern {
    padding: 4rem 0;
  }
  
  .btn-primary-large,
  .btn-whatsapp-large,
  .btn-light-large {
    width: 100%;
    justify-content: center;
  }
}