/* ==========================================================================
   Variables
   ========================================================================== */
:root {
  /* Colors */
  --color-background: #FFFFFF;
  --color-accent: #FF5733;
  --color-secondary-accent: #C70039;
  --color-text: #1C1C1C;
  --color-text-light: #6E6E6E;
  --color-border: #E5E5E5;
  --color-background-light: #F9F9F9;
  --color-background-dark: #121212;
  
  /* Typography */
  --font-primary: 'Satoshi', sans-serif;
  --font-display: 'DM Serif Display', serif;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 8rem;
  
  /* Borders */
  --border-radius-sm: 0.25rem;
  --border-radius-md: 0.5rem;
  --border-radius-lg: 1rem;
  
  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.1);
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-medium: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Z-indices */
  --z-index-header: 100;
  --z-index-modal: 200;
  
  /* Breakpoints */
  --breakpoint-sm: 576px;
  --breakpoint-md: 768px;
  --breakpoint-lg: 992px;
  --breakpoint-xl: 1200px;
}

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

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

body {
  font-family: var(--font-primary);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-background);
  overflow-x: hidden;
}

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

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

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

ul, ol {
  list-style: none;
}

/* ==========================================================================
   Typography
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2.5rem);
}

h4 {
  font-size: clamp(1.25rem, 2vw, 2rem);
}

h5 {
  font-size: clamp(1.125rem, 1.5vw, 1.5rem);
}

h6 {
  font-size: clamp(1rem, 1.25vw, 1.25rem);
}

p {
  margin-bottom: var(--spacing-md);
}

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

.text-secondary-accent {
  color: var(--color-secondary-accent);
}

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

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

.subtitle {
  font-family: var(--font-primary);
  font-size: clamp(1rem, 1.5vw, 1.25rem);
  color: var(--color-text-light);
  margin-bottom: var(--spacing-md);
}

/* ==========================================================================
   Containers & Layout
   ========================================================================== */
.container {
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.container--narrow {
  max-width: 1140px;
}

.section {
  padding: var(--spacing-lg) 0;
  position: relative;
}

.section--overlap {
  margin-top: -4rem;
}

.section--dark {
  background-color: var(--color-background-dark);
  color: var(--color-background);
}

.section--light {
  background-color: var(--color-background-light);
}

.grid {
  display: grid;
  gap: var(--spacing-md);
}

.grid--2 {
  grid-template-columns: 1fr;
}

.grid--3 {
  grid-template-columns: 1fr;
}

.grid--4 {
  grid-template-columns: 1fr;
}

.grid--staggered {
  grid-template-columns: 1fr;

}

@media (min-width: 768px) {
  .grid--2 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .grid--staggered > *:nth-child(even) {
    margin-top: var(--spacing-lg);
  }
}

@media (min-width: 992px) {
  .grid--3 {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .grid--4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

.flex {
  display: flex;
  flex-wrap: wrap;
}

.flex--center {
  justify-content: center;
  align-items: center;
}

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

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

.flex-item {
  flex: 1;
}

/* Utilities for negative space */
.mt-neg {
  margin-top: -4rem;
}

.z-1 {
  position: relative;
  z-index: 1;
}

.z-2 {
  position: relative;
  z-index: 2;
}

/* ==========================================================================
   Header
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: var(--spacing-md) 0;
  z-index: var(--z-index-header);
  transition: background-color var(--transition-medium), padding var(--transition-medium);
}

.site-header.scrolled {
  background-color: var(--color-background);
  box-shadow: var(--shadow-sm);
  padding: var(--spacing-xs) 0;
}

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

.logo-container {
  display: flex;
  justify-content: left;
  flex-grow: 1;
}

.logo {
  height: 40px;
  transition: transform var(--transition-medium);
}

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

.menu-toggle {
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: var(--spacing-xs);
  position: relative;
  z-index: var(--z-index-header);
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-text);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.menu-toggle.is-active span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.menu-toggle.is-active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.is-active span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

.mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background-color: var(--color-background);
  padding: var(--spacing-xl) var(--spacing-md);
  transform: translateX(-100%);
  transition: transform var(--transition-medium);
  z-index: calc(var(--z-index-header) - 1);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.mobile-menu.is-active {
  transform: translateX(0);
}

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

.menu-item {
  font-family: var(--font-display);
  font-size: 2rem;
  text-align: center;
}

.menu-link {
  color: var(--color-text);
  position: relative;
  display: inline-block;
}

.menu-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-accent);
  transition: width var(--transition-medium);
}

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

@media (min-width: 992px) {
  .menu-toggle {
    display: none;
  }
  
  .mobile-menu {
    position: static;
    transform: none;
    padding: 0;
    height: auto;
    background-color: transparent;
    flex-direction: row;
    width: auto;
  }
  
  .menu-list {
    flex-direction: row;
    gap: var(--spacing-md);
  }
  
  .menu-item {
    font-size: 1rem;
  }
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}

.hero-gradient {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(255, 87, 51, 0.1), rgba(199, 0, 57, 0.05));
  z-index: -1;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
  text-align: center;
}

.hero-title {
  margin-bottom: var(--spacing-md);
  line-height: 1.1;
}

.hero-subtitle {
  font-size: clamp(1.125rem, 2vw, 1.5rem);
  margin-bottom: var(--spacing-lg);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-cta {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-md);
  background-color: var(--color-accent);
  color: white;
  border-radius: var(--border-radius-md);
  font-weight: 600;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
  text-align: center;
  box-shadow: var(--shadow-md);
}

.hero-cta:hover {
  background-color: var(--color-secondary-accent);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.hero-image {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 50%;
  opacity: 0.8;
  z-index: 0;
  display: none;
}

@media (min-width: 992px) {
  .hero-image {
    display: block;
  }
  
  .hero-content {
    text-align: left;
    margin-left: 0;
  }
}

/* ==========================================================================
   Services Section
   ========================================================================== */
.services-title {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.service-card {
  background-color: var(--color-background);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-md);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-medium), box-shadow var(--transition-medium);
  cursor: pointer;
  height: 100%;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 0;
  background-color: var(--color-accent);
  transition: height var(--transition-medium);
}

.service-card.is-active::before,
.service-card:hover::before {
  height: 100%;
}

.service-card.is-active,
.service-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
}

.service-icon {
  font-size: 2.5rem;
  color: var(--color-accent);
  margin-bottom: var(--spacing-sm);
}

.service-title {
  margin-bottom: var(--spacing-sm);
}

.service-description {
  color: var(--color-text-light);
}

/* ==========================================================================
   Process Section
   ========================================================================== */
.process {
  position: relative;
}

.process-title {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.process-step {
  display: flex;
  flex-direction: column;
  margin-bottom: var(--spacing-lg);
  position: relative;
}

.process-number {
  font-family: var(--font-display);
  font-size: 4rem;
  color: var(--color-accent);
  opacity: 0.2;
  position: absolute;
  top: -2rem;
  left: 0;
  line-height: 1;
}

.process-content {
  padding-left: var(--spacing-md);
}

.process-heading {
  margin-bottom: var(--spacing-xs);
}

.process-description {
  color: var(--color-text-light);
}

@media (min-width: 768px) {
  .process-container {
    display: flex;
    flex-direction: column;
    max-width: 800px;
    margin: 0 auto;
  }
  
  .process-step {
    flex-direction: row;
    align-items: flex-start;
    gap: var(--spacing-lg);
  }
  
  .process-step:nth-child(even) {
    flex-direction: row-reverse;
    text-align: right;
  }
  
  .process-step:nth-child(even) .process-number {
    right: 0;
    left: auto;
  }
  
  .process-step:nth-child(even) .process-content {
    padding-left: 0;
    padding-right: var(--spacing-md);
  }
  
  .process-step:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    height: 4rem;
    width: 2px;
    background: linear-gradient(to bottom, var(--color-accent), transparent);
    transform: translateX(-50%);
  }
}

/* ==========================================================================
   Case Studies Section
   ========================================================================== */
.case-studies-title {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.case-study {
  position: relative;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  height: 300px;
}

.case-study-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.case-study-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--spacing-md);
  transition: opacity var(--transition-medium);
}

.case-study-title {
  color: white;
  margin-bottom: var(--spacing-xs);
}

.case-study-category {
  color: var(--color-accent);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.case-study-description {
  color: rgba(255, 255, 255, 0.8);
  transform: translateY(100%);
  opacity: 0;
  transition: transform var(--transition-medium), opacity var(--transition-medium);
}

.case-study.is-hovered .case-study-image {
  transform: scale(1.05);
}

.case-study.is-hovered .case-study-description {
  transform: translateY(0);
  opacity: 1;
}

/* ==========================================================================
   Testimonials Section
   ========================================================================== */
.testimonials {
  position: relative;
  overflow: hidden;
}

.testimonials-title {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.testimonial-container {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.testimonial-items {
  position: relative;
  min-height: 380px;
}

.testimonial-item {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-medium);
}

.testimonial-item.is-active {
  opacity: 1;
  pointer-events: auto;
}

.testimonial-content {
  background-color: var(--color-background);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-md);
  margin-bottom: var(--spacing-md);
  position: relative;
}

.testimonial-content::before {
  content: '"';
  position: absolute;
  top: 0;
  left: var(--spacing-sm);
  font-family: var(--font-display);
  font-size: 6rem;
  color: var(--color-accent);
  opacity: 0.2;
  line-height: 1;
}

.testimonial-text {
  position: relative;
  z-index: 1;
  font-style: italic;
}

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

.testimonial-avatar {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  object-fit: cover;
}

.testimonial-name {
  font-weight: 600;
  margin-bottom: 0;
}

.testimonial-company {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.testimonial-navigation {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
}

.testimonial-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: var(--color-border);
  cursor: pointer;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.testimonial-dot.is-active {
  background-color: var(--color-accent);
  transform: scale(1.2);
}

/* ==========================================================================
   Pricing Section
   ========================================================================== */
.pricing-title {
  text-align: center;
  margin-bottom: var(--spacing-md);
}

.pricing-subtitle {
  text-align: center;
  max-width: 600px;
  margin: 0 auto var(--spacing-lg);
}

.pricing-toggle-container {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

.pricing-toggle {
  position: relative;
  display: inline-block;
  width: 60px;
  height: 30px;
}

.pricing-toggle input {
  opacity: 0;
  width: 0;
  height: 0;
}

.pricing-toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--color-border);
  transition: var(--transition-fast);
  border-radius: 30px;
}

.pricing-toggle-slider:before {
  position: absolute;
  content: "";
  height: 22px;
  width: 22px;
  left: 4px;
  bottom: 4px;
  background-color: white;
  transition: var(--transition-fast);
  border-radius: 50%;
}

.pricing-toggle input:checked + .pricing-toggle-slider {
  background-color: var(--color-accent);
}

.pricing-toggle input:checked + .pricing-toggle-slider:before {
  transform: translateX(30px);
}

.pricing-label {
  font-weight: 600;
}

.pricing-label.dimmed {
  color: var(--color-text-light);
}

.pricing-tables {
  position: relative;
}

.pricing-monthly, .pricing-annual {
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-medium);
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
}

.pricing-monthly.is-active, .pricing-annual.is-active {
  opacity: 1;
  pointer-events: auto;
  position: relative;
}

.pricing-grid {
  display: grid;
  gap: var(--spacing-md);
  grid-template-columns: 1fr;
}

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

.pricing-plan {
  background-color: var(--color-background);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-md);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-medium), box-shadow var(--transition-medium);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.pricing-plan:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
}

.pricing-plan--featured {
  border: 2px solid var(--color-accent);
  transform: scale(1.05);
  position: relative;
  z-index: 1;
}

.pricing-plan--featured:hover {
  transform: scale(1.05) translateY(-10px);
}

.pricing-header {
  text-align: center;
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--color-border);
}

.pricing-name {
  margin-bottom: var(--spacing-xs);
}

.pricing-price {
  font-family: var(--font-display);
  font-size: 3rem;
  color: var(--color-accent);
  margin-bottom: var(--spacing-xs);
}

.pricing-price small {
  font-size: 1rem;
  color: var(--color-text-light);
}

.pricing-description {
  color: var(--color-text-light);
}

.pricing-features {
  flex-grow: 1;
  margin-bottom: var(--spacing-md);
}

.pricing-feature {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-sm);
}

.pricing-feature-icon {
  color: var(--color-accent);
}

.pricing-cta {
  display: block;
  text-align: center;
  padding: var(--spacing-sm);
  background-color: var(--color-accent);
  color: white;
  border-radius: var(--border-radius-md);
  font-weight: 600;
  transition: background-color var(--transition-fast);
}

.pricing-cta:hover {
  background-color: var(--color-secondary-accent);
  color: white;
}

.pricing-plan--featured .pricing-cta {
  background-color: var(--color-secondary-accent);
}

.pricing-badge {
  position: absolute;
  top: -15px;
  right: -15px;
  background-color: var(--color-secondary-accent);
  color: white;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius-md);
  font-size: 0.875rem;
  font-weight: 600;
}

/* ==========================================================================
   FAQ Section
   ========================================================================== */
.faq-title {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

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

.faq-item {
  margin-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--color-border);
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  padding-bottom: var(--spacing-sm);
}

.faq-question h3 {
  margin-bottom: 0;
  font-size: 1.25rem;
}

.faq-icon {
  transition: transform var(--transition-fast);
}

.faq-item.is-active .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-medium);
}

.faq-item.is-active .faq-answer {
  max-height: 500px;
}

.faq-answer-content {
  padding-bottom: var(--spacing-md);
  color: var(--color-text-light);
}

.faq-answer-content p {
  margin-bottom: 0;
  padding: var(--spacing-md) 0;
}

/* ==========================================================================
   Subscription Form Section
   ========================================================================== */
.subscription {
  background-color: var(--color-background-light);
  position: relative;
  overflow: hidden;
}

.subscription-title {
  text-align: center;
  margin-bottom: var(--spacing-md);
}

.subscription-description {
  text-align: center;
  max-width: 600px;
  margin: 0 auto var(--spacing-lg);
}

.subscription-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  max-width: 500px;
  margin: 0 auto;
}

@media (min-width: 576px) {
  .subscription-form {
    flex-direction: row;
  }
}

.subscription-input {
  flex-grow: 1;
  padding: var(--spacing-sm);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  font-family: var(--font-primary);
  font-size: 1rem;
  transition: border-color var(--transition-fast);
}

.subscription-input:focus {
  outline: none;
  border-color: var(--color-accent);
}

.subscription-button {
  padding: var(--spacing-sm) var(--spacing-md);
  background-color: var(--color-accent);
  color: white;
  border: none;
  border-radius: var(--border-radius-md);
  font-family: var(--font-primary);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.subscription-button:hover {
  background-color: var(--color-secondary-accent);
}

/* ==========================================================================
   Contact Section
   ========================================================================== */
.contact {
  position: relative;
}

.contact-title {
  text-align: center;
  margin-bottom: var(--spacing-md);
}

.contact-description {
  text-align: center;
  max-width: 600px;
  margin: 0 auto var(--spacing-lg);
}

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

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

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

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
}

.contact-info-icon {
  color: var(--color-accent);
  font-size: 1.5rem;
}

.contact-info-content h4 {
  margin-bottom: var(--spacing-xs);
}

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

.contact-form {
  background-color: var(--color-background);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-md);
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 600;
}

.form-input {
  width: 100%;
  padding: var(--spacing-sm);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  font-family: var(--font-primary);
  font-size: 1rem;
  transition: border-color var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-accent);
}

.form-input.error {
  border-color: red;
}

.form-textarea {
  height: 150px;
  resize: vertical;
}

.form-button {
  width: 100%;
  padding: var(--spacing-sm);
  background-color: var(--color-accent);
  color: white;
  border: none;
  border-radius: var(--border-radius-md);
  font-family: var(--font-primary);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.form-button:hover {
  background-color: var(--color-secondary-accent);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  padding: var(--spacing-lg) 0;
  background-color: var(--color-background-dark);
  color: white;
}

.footer-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.footer-logo {
  height: 40px;
  margin-bottom: var(--spacing-md);
  filter: brightness(0) invert(1);
}

.footer-menu {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.footer-menu-link {
  color: rgba(255, 255, 255, 0.8);
  transition: color var(--transition-fast);
}

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

.footer-info {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-sm);
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.875rem;
  margin-bottom: var(--spacing-md);
}

.footer-info-item {
  position: relative;
}

.footer-info-item:not(:last-child)::after {
  content: '•';
  position: absolute;
  right: -10px;
}

.footer-copyright {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.875rem;
}

/* ==========================================================================
   Back to Top Button
   ========================================================================== */
.back-to-top {
  position: fixed;
  bottom: var(--spacing-md);
  right: var(--spacing-md);
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background-color: var(--color-accent);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-medium), background-color var(--transition-fast);
  z-index: 10;
}

.back-to-top.is-visible {
  opacity: 1;
  pointer-events: auto;
}

.back-to-top:hover {
  background-color: var(--color-secondary-accent);
}

/* ==========================================================================
   Animations
   ========================================================================== */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.animate-on-scroll.animated {
  opacity: 1;
  transform: translateY(0);
}

.animate-delay-1 {
  transition-delay: 0.1s;
}

.animate-delay-2 {
  transition-delay: 0.2s;
}

.animate-delay-3 {
  transition-delay: 0.3s;
}

.animate-delay-4 {
  transition-delay: 0.4s;
}

.animate-delay-5 {
  transition-delay: 0.5s;
}

/* ==========================================================================
   Utility Classes
   ========================================================================== */
.text-accent {
  color: var(--color-accent);
}

.text-light {
  color: var(--color-text-light);
}

.bg-light {
  background-color: var(--color-background-light);
}

.mt-0 {
  margin-top: 0;
}

.mb-0 {
  margin-bottom: 0;
}

.mt-1 {
  margin-top: var(--spacing-xs);
}

.mb-1 {
  margin-bottom: var(--spacing-xs);
}

.mt-2 {
  margin-top: var(--spacing-sm);
}

.mb-2 {
  margin-bottom: var(--spacing-sm);
}

.mt-3 {
  margin-top: var(--spacing-md);
}

.mb-3 {
  margin-bottom: var(--spacing-md);
}

.mt-4 {
  margin-top: var(--spacing-lg);
}

.mb-4 {
  margin-bottom: var(--spacing-lg);
}

.pt-0 {
  padding-top: 0;
}

.pb-0 {
  padding-bottom: 0;
}

.pt-1 {
  padding-top: var(--spacing-xs);
}

.pb-1 {
  padding-bottom: var(--spacing-xs);
}

.pt-2 {
  padding-top: var(--spacing-sm);
}

.pb-2 {
  padding-bottom: var(--spacing-sm);
}

.pt-3 {
  padding-top: var(--spacing-md);
}

.pb-3 {
  padding-bottom: var(--spacing-md);
}

.pt-4 {
  padding-top: var(--spacing-lg);
}

.pb-4 {
  padding-bottom: var(--spacing-lg);
}

.rounded {
  border-radius: var(--border-radius-md);
}

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

.overflow-hidden {
  overflow: hidden;
}