:root {
  --color-primary: #1CCA50;
  --color-secondary: #1E947D;
  --color-accent: #78F359;
  --color-success: #059669;
  --color-warning: #D97706;
  --color-error: #DC2626;
  --color-info: #0891B2;
  --color-neutral: #F8FAFC;
  --color-text: #111827;
  --color-text-light: #6B7280;
  --color-border: #E5E7EB;
  --color-background: #FFFFFF;

  --font-primary: 'Source Sans Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-secondary: Georgia, 'Times New Roman', serif;

  --font-xs: 12px;
  --font-sm: 14px;
  --font-base: 16px;
  --font-lg: 18px;
  --font-xl: 20px;
  --font-xxl: 23px;
  --font-hero: 26px;

  --spacing-xs: 10px;
  --spacing-sm: 16px;
  --spacing-md: 26px;
  --spacing-lg: 42px;
  --spacing-xl: 68px;
  --spacing-xxl: 110px;

  --container-max: 1140px;
  --container-gutter: 30px;

  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;

  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 12px;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-base: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1), 0 4px 6px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15), 0 10px 10px rgba(0, 0, 0, 0.04);
}

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

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

body {
  background: var(--color-background);
  color: var(--color-text);
  font-family: var(--font-primary);
  font-size: var(--font-base);
  line-height: 1.5;
  overflow-x: hidden;
}

body.menu-open {
  overflow: hidden;
}

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

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

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

h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
}

h1 {
  font-size: var(--font-hero);
  font-weight: 700;
}

h2 {
  font-size: var(--font-xxl);
}

h3 {
  font-size: var(--font-xl);
}

h4 {
  font-size: var(--font-lg);
}

h5 {
  font-size: var(--font-base);
}

h6 {
  font-size: var(--font-sm);
}

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

ul, ol {
  margin-bottom: var(--spacing-sm);
  padding-left: var(--spacing-lg);
}

li {
  margin-bottom: var(--spacing-xs);
}

.container {
  margin-left: auto;
  margin-right: auto;
  max-width: var(--container-max);
  padding-left: var(--container-gutter);
  padding-right: var(--container-gutter);
  width: 100%;
}

.container--wide {
  max-width: 1400px;
}

.container--narrow {
  max-width: 800px;
}

.navbar {
  background: var(--color-background);
  border-bottom: 1px solid var(--color-border);
  padding: var(--spacing-sm) 0;
  position: sticky;
  top: 0;
  transition: box-shadow var(--transition-base);
  z-index: 1000;
}

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

.navbar__container {
  align-items: center;
  display: flex;
  justify-content: space-between;
  margin-left: auto;
  margin-right: auto;
  max-width: var(--container-max);
  padding-left: var(--container-gutter);
  padding-right: var(--container-gutter);
  position: relative;
}

.navbar__logo {
  color: var(--color-primary);
  font-size: var(--font-xl);
  font-weight: 700;
  transition: color var(--transition-fast);
}

.navbar__logo:hover {
  color: var(--color-secondary);
}

.mobile-menu-toggle {
  background: none;
  border: none;
  color: var(--color-text);
  cursor: pointer;
  display: none;
  font-size: 24px;
  padding: var(--spacing-xs);
  position: relative;
  z-index: 1001;
}

.mobile-menu-toggle:hover {
  color: var(--color-primary);
}

.main-nav {
  display: flex;
  transition: transform var(--transition-base);
}

.nav-list {
  align-items: center;
  display: flex;
  gap: var(--spacing-md);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-item {
  margin: 0;
}

.nav-link {
  color: var(--color-text);
  display: block;
  font-size: var(--font-base);
  font-weight: 400;
  padding: var(--spacing-xs) var(--spacing-sm);
  position: relative;
  transition: color var(--transition-fast);
}

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

.nav-link::after {
  background: var(--color-primary);
  bottom: 0;
  content: '';
  height: 2px;
  left: var(--spacing-sm);
  position: absolute;
  right: var(--spacing-sm);
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

.nav-link:hover::after {
  transform: scaleX(1);
}

.nav-link--active {
  color: var(--color-primary);
  font-weight: 600;
}

.nav-link--cta {
  background: var(--color-primary);
  border-radius: var(--border-radius-sm);
  color: var(--color-background);
  font-weight: 600;
  padding: var(--spacing-xs) var(--spacing-md);
}

.nav-link--cta:hover {
  background: var(--color-secondary);
  color: var(--color-background);
}

.nav-link--cta::after {
  display: none;
}

.header-main {
  background: linear-gradient(135deg, rgba(28, 202, 80, 0.05) 0%, rgba(30, 148, 125, 0.05) 100%);
  padding: var(--spacing-xxl) 0;
  position: relative;
}

.header-main__container {
  margin-left: auto;
  margin-right: auto;
  max-width: var(--container-max);
  padding-left: var(--container-gutter);
  padding-right: var(--container-gutter);
}

.header-main__content {
  margin-bottom: var(--spacing-xl);
  max-width: 700px;
}

.header-main__title {
  color: var(--color-text);
  font-size: 32px;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
}

.header-main__subtitle {
  color: var(--color-text-light);
  font-size: var(--font-lg);
  line-height: 1.6;
  margin-bottom: var(--spacing-lg);
}

.header-main__gallery {
  display: grid;
  gap: var(--spacing-sm);
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  margin-top: var(--spacing-lg);
}

.header-main__image {
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-base);
  height: 200px;
  object-fit: cover;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  width: 100%;
}

.header-main__image:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.content-section {
  padding: var(--spacing-xxl) 0;
}

.content-section--alt {
  background: var(--color-neutral);
}

.content-section--primary {
  background: linear-gradient(135deg, rgba(28, 202, 80, 0.03) 0%, rgba(30, 148, 125, 0.03) 100%);
}

.content-section__header {
  margin-bottom: var(--spacing-xl);
  text-align: center;
}

.content-section__title {
  color: var(--color-text);
  font-size: var(--font-xxl);
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
}

.content-section__subtitle {
  color: var(--color-text-light);
  font-size: var(--font-lg);
  margin-left: auto;
  margin-right: auto;
  max-width: 700px;
}

.content-grid {
  display: grid;
  gap: var(--spacing-lg);
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.content-grid--2col {
  grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
}

.content-grid--3col {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.content-grid--4col {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.info-card {
  background: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-lg);
  position: relative;
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.info-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.info-card__image {
  border-radius: var(--border-radius-sm);
  height: 200px;
  margin-bottom: var(--spacing-md);
  object-fit: cover;
  width: 100%;
}

.info-card__icon {
  align-items: center;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  border-radius: var(--border-radius-md);
  color: var(--color-background);
  display: flex;
  font-size: 28px;
  height: 60px;
  justify-content: center;
  margin-bottom: var(--spacing-md);
  width: 60px;
}

.info-card__title {
  color: var(--color-text);
  font-size: var(--font-xl);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.info-card__text {
  color: var(--color-text-light);
  font-size: var(--font-base);
  line-height: 1.6;
}

.info-card__link {
  color: var(--color-primary);
  display: inline-flex;
  font-weight: 600;
  margin-top: var(--spacing-sm);
  transition: color var(--transition-fast);
}

.info-card__link:hover {
  color: var(--color-secondary);
}

.info-card--featured {
  border: 2px solid var(--color-primary);
  grid-column: span 2;
}

.category-tabs {
  border-bottom: 2px solid var(--color-border);
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  margin-bottom: var(--spacing-xl);
  overflow-x: auto;
}

.category-tabs__button {
  background: none;
  border: none;
  border-bottom: 3px solid transparent;
  color: var(--color-text-light);
  cursor: pointer;
  font-size: var(--font-base);
  font-weight: 600;
  padding: var(--spacing-sm) var(--spacing-md);
  position: relative;
  transition: color var(--transition-fast), border-color var(--transition-fast);
  white-space: nowrap;
}

.category-tabs__button:hover {
  color: var(--color-text);
}

.category-tabs__button--active {
  border-bottom-color: var(--color-primary);
  color: var(--color-primary);
}

.tab-content {
  display: none;
}

.tab-content--active {
  display: block;
}

.layout-system {
  display: grid;
  gap: var(--spacing-xl);
}

.layout-system__row {
  display: grid;
  gap: var(--spacing-lg);
}

.layout-system__row--1col {
  grid-template-columns: 1fr;
}

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

.action-button {
  background: var(--color-primary);
  border: 2px solid var(--color-primary);
  border-radius: var(--border-radius-sm);
  color: var(--color-background);
  cursor: pointer;
  display: inline-block;
  font-size: var(--font-base);
  font-weight: 600;
  padding: var(--spacing-sm) var(--spacing-lg);
  text-align: center;
  transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

.action-button:hover {
  background: var(--color-secondary);
  border-color: var(--color-secondary);
  color: var(--color-background);
  transform: translateY(-2px);
}

.action-button--secondary {
  background: var(--color-background);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.action-button--secondary:hover {
  background: var(--color-primary);
  color: var(--color-background);
}

.action-button--large {
  font-size: var(--font-lg);
  padding: var(--spacing-md) var(--spacing-xl);
}

.action-button--full {
  display: block;
  width: 100%;
}

.form-wrapper {
  background: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-xl);
}

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

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

.form-input,
.form-textarea,
.form-select {
  background: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  color: var(--color-text);
  font-family: var(--font-primary);
  font-size: var(--font-base);
  padding: var(--spacing-sm);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  width: 100%;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(28, 202, 80, 0.1);
  outline: none;
}

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

.form-error {
  color: var(--color-error);
  font-size: var(--font-sm);
  margin-top: var(--spacing-xs);
}

.accordion {
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  margin-bottom: var(--spacing-md);
  overflow: hidden;
}

.accordion__item {
  border-bottom: 1px solid var(--color-border);
}

.accordion__item:last-child {
  border-bottom: none;
}

.accordion__header {
  background: var(--color-background);
  border: none;
  color: var(--color-text);
  cursor: pointer;
  display: flex;
  font-size: var(--font-base);
  font-weight: 600;
  justify-content: space-between;
  padding: var(--spacing-md);
  text-align: left;
  transition: background var(--transition-fast);
  width: 100%;
}

.accordion__header:hover {
  background: var(--color-neutral);
}

.accordion__icon {
  transition: transform var(--transition-base);
}

.accordion__item--active .accordion__icon {
  transform: rotate(180deg);
}

.accordion__content {
  display: none;
  padding: 0 var(--spacing-md) var(--spacing-md);
}

.accordion__item--active .accordion__content {
  display: block;
}

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

.testimonial {
  background: var(--color-background);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-base);
  padding: var(--spacing-xl);
  text-align: center;
}

.testimonial__quote {
  color: var(--color-text-light);
  font-family: var(--font-secondary);
  font-size: var(--font-lg);
  font-style: italic;
  line-height: 1.6;
  margin-bottom: var(--spacing-lg);
}

.testimonial__author {
  color: var(--color-text);
  font-size: var(--font-base);
  font-weight: 600;
}

.testimonial__role {
  color: var(--color-text-light);
  font-size: var(--font-sm);
  margin-top: var(--spacing-xs);
}

.stats-grid {
  display: grid;
  gap: var(--spacing-lg);
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.stat-card {
  background: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-lg);
  text-align: center;
}

.stat-card__number {
  color: var(--color-primary);
  font-size: 36px;
  font-weight: 700;
  line-height: 1;
  margin-bottom: var(--spacing-sm);
}

.stat-card__label {
  color: var(--color-text-light);
  font-size: var(--font-base);
}

.gallery-grid {
  display: grid;
  gap: var(--spacing-sm);
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}

.gallery-item {
  border-radius: var(--border-radius-md);
  height: 250px;
  overflow: hidden;
  position: relative;
}

.gallery-item__image {
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
  width: 100%;
}

.gallery-item:hover .gallery-item__image {
  transform: scale(1.05);
}

.gallery-item__overlay {
  align-items: center;
  background: rgba(28, 202, 80, 0.9);
  bottom: 0;
  color: var(--color-background);
  display: flex;
  justify-content: center;
  left: 0;
  opacity: 0;
  padding: var(--spacing-md);
  position: absolute;
  right: 0;
  text-align: center;
  top: 0;
  transition: opacity var(--transition-base);
}

.gallery-item:hover .gallery-item__overlay {
  opacity: 1;
}

.pricing-grid {
  display: grid;
  gap: var(--spacing-lg);
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  margin-top: var(--spacing-xl);
}

.pricing-card {
  background: var(--color-background);
  border: 2px solid var(--color-border);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-xl);
  position: relative;
  text-align: center;
  transition: border-color var(--transition-base), transform var(--transition-base);
}

.pricing-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-4px);
}

.pricing-card--featured {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-lg);
}

.pricing-card__badge {
  background: var(--color-primary);
  border-radius: var(--border-radius-sm);
  color: var(--color-background);
  font-size: var(--font-sm);
  font-weight: 600;
  left: 50%;
  padding: var(--spacing-xs) var(--spacing-sm);
  position: absolute;
  top: -12px;
  transform: translateX(-50%);
}

.pricing-card__title {
  color: var(--color-text);
  font-size: var(--font-xl);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
}

.pricing-card__price {
  color: var(--color-primary);
  font-size: 42px;
  font-weight: 700;
  line-height: 1;
  margin-bottom: var(--spacing-sm);
}

.pricing-card__period {
  color: var(--color-text-light);
  font-size: var(--font-base);
  margin-bottom: var(--spacing-lg);
}

.pricing-card__features {
  list-style: none;
  margin-bottom: var(--spacing-lg);
  padding: 0;
}

.pricing-card__feature {
  color: var(--color-text-light);
  margin-bottom: var(--spacing-sm);
  padding-left: var(--spacing-md);
  position: relative;
}

.pricing-card__feature::before {
  color: var(--color-primary);
  content: '✓';
  font-weight: 700;
  left: 0;
  position: absolute;
}

.team-grid {
  display: grid;
  gap: var(--spacing-lg);
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.team-card {
  background: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  overflow: hidden;
  text-align: center;
  transition: box-shadow var(--transition-base);
}

.team-card:hover {
  box-shadow: var(--shadow-lg);
}

.team-card__image {
  height: 280px;
  object-fit: cover;
  width: 100%;
}

.team-card__content {
  padding: var(--spacing-lg);
}

.team-card__name {
  color: var(--color-text);
  font-size: var(--font-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.team-card__role {
  color: var(--color-text-light);
  font-size: var(--font-base);
  margin-bottom: var(--spacing-sm);
}

.team-card__bio {
  color: var(--color-text-light);
  font-size: var(--font-sm);
}

.video-wrapper {
  background: #000;
  border-radius: var(--border-radius-md);
  margin-bottom: var(--spacing-lg);
  overflow: hidden;
  padding-bottom: 56.25%;
  position: relative;
}

.video-wrapper iframe {
  height: 100%;
  left: 0;
  position: absolute;
  top: 0;
  width: 100%;
}

.breadcrumb {
  background: var(--color-neutral);
  border-radius: var(--border-radius-sm);
  color: var(--color-text-light);
  font-size: var(--font-sm);
  margin-bottom: var(--spacing-lg);
  padding: var(--spacing-sm) var(--spacing-md);
}

.breadcrumb__link {
  color: var(--color-primary);
  transition: color var(--transition-fast);
}

.breadcrumb__link:hover {
  color: var(--color-secondary);
}

.breadcrumb__separator {
  margin: 0 var(--spacing-xs);
}

.footer {
  background: var(--color-text);
  color: var(--color-neutral);
  padding: var(--spacing-xxl) 0 var(--spacing-lg);
}

.footer__container {
  margin-left: auto;
  margin-right: auto;
  max-width: var(--container-max);
  padding-left: var(--container-gutter);
  padding-right: var(--container-gutter);
}

.footer__grid {
  display: grid;
  gap: var(--spacing-xl);
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  margin-bottom: var(--spacing-xl);
}

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

.footer__title {
  color: var(--color-background);
  font-size: var(--font-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
}

.footer__text {
  color: var(--color-neutral);
  font-size: var(--font-sm);
  line-height: 1.6;
  opacity: 0.8;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer__link {
  color: var(--color-neutral);
  font-size: var(--font-sm);
  opacity: 0.8;
  transition: opacity var(--transition-fast), color var(--transition-fast);
}

.footer__link:hover {
  color: var(--color-primary);
  opacity: 1;
}

.footer__bottom {
  border-top: 1px solid rgba(248, 250, 252, 0.1);
  padding-top: var(--spacing-lg);
  text-align: center;
}

.footer__copyright {
  color: var(--color-neutral);
  font-size: var(--font-sm);
  opacity: 0.6;
}

@media screen and (max-width: 960px) {
  :root {
    --font-hero: 24px;
    --font-xxl: 21px;
    --font-xl: 18px;
    --spacing-xxl: 80px;
  }

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

  .header-main__title {
    font-size: 28px;
  }

  .info-card--featured {
    grid-column: span 1;
  }
}

@media screen and (max-width: 720px) {
  :root {
    --font-hero: 22px;
    --font-xxl: 20px;
    --spacing-xl: 48px;
    --spacing-xxl: 60px;
    --container-gutter: 20px;
  }

  .mobile-menu-toggle {
    display: block;
  }

  .main-nav {
    background: var(--color-background);
    box-shadow: var(--shadow-xl);
    height: 100vh;
    left: 0;
    padding: var(--spacing-xxl) var(--spacing-lg);
    position: fixed;
    top: 0;
    transform: translateX(-100%);
    width: 280px;
    z-index: 999;
  }

  body.menu-open .main-nav {
    transform: translateX(0);
  }

  .nav-list {
    flex-direction: column;
    gap: 0;
  }

  .nav-item {
    border-bottom: 1px solid var(--color-border);
    width: 100%;
  }

  .nav-link {
    padding: var(--spacing-md) 0;
  }

  .nav-link::after {
    display: none;
  }

  .nav-link--cta {
    background: none;
    color: var(--color-primary);
    font-weight: 700;
  }

  .header-main {
    padding: var(--spacing-xl) 0;
  }

  .header-main__title {
    font-size: 24px;
  }

  .header-main__gallery {
    grid-template-columns: 1fr;
  }

  .content-grid,
  .content-grid--3col,
  .content-grid--4col {
    grid-template-columns: 1fr;
  }

  .category-tabs {
    justify-content: flex-start;
  }

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

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

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

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

@media screen and (max-width: 450px) {
  :root {
    --font-hero: 20px;
    --font-xxl: 18px;
    --spacing-lg: 32px;
    --spacing-xl: 42px;
    --spacing-xxl: 48px;
    --container-gutter: 16px;
  }

  .header-main__title {
    font-size: 22px;
  }

  .action-button--large {
    font-size: var(--font-base);
    padding: var(--spacing-sm) var(--spacing-md);
  }

  .stat-card__number {
    font-size: 28px;
  }

  .pricing-card__price {
    font-size: 32px;
  }
}