:root {
  --color-primary: #16a34a;
  --color-primary-dark: #15803d;
  --color-primary-light: #dcfce7;
  --color-navy: #0f172a;
  --color-anthracite: #334155;
  --color-bg: #ffffff;
  --color-bg-alt: #f8fafc;
  --color-bg-card: #ffffff;
  --color-text: #1e293b;
  --color-text-muted: #64748b;
  --color-text-light: #94a3b8;
  --color-border: #e2e8f0;
  --color-border-light: #f1f5f9;

  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);

  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 16px;

  --max-width: 1200px;
  --header-height: 80px;

  --transition: 0.2s ease;
  --transition-slow: 0.35s ease;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
  overflow-x: hidden;
}

body {
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  padding: 0 24px;
}

main {
  min-height: auto;
}

img,
svg {
  display: block;
  max-width: 100%;
}

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

ul,
ol {
  list-style: none;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 16px;
  line-height: 1.2;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.6;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  font-family: var(--font-family);
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  gap: 8px;
  white-space: nowrap;
}

.btn--primary {
  background-color: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary);
}

.btn--primary:hover,
.btn--primary:focus {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  outline: none;
}

.btn--primary:focus-visible {
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

.btn--secondary {
  background-color: transparent;
  color: var(--color-navy);
  border-color: var(--color-navy);
}

.btn--secondary:hover,
.btn--secondary:focus {
  background-color: var(--color-navy);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  outline: none;
}

.btn--secondary:focus-visible {
  box-shadow: 0 0 0 3px rgba(15, 23, 42, 0.2);
}

.btn--outline {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn--outline:hover,
.btn--outline:focus {
  background-color: var(--color-primary);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  outline: none;
}

.btn--outline:focus-visible {
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

.btn--full {
  width: 100%;
}

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  background-color: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition);
}

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

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 32px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--color-navy);
  flex-shrink: 0;
}

.site-logo {
  height: 65px;
  width: auto;
  object-fit: contain;
}

.logo__title {
  text-transform: uppercase;
  color: #0f172a;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.5px;
  line-height: 1.2;
}

.brand-initial {
  font-family: Georgia, "Times New Roman", serif;
  color: #386641;
  font-size: 1.1em;
  font-weight: 600;
}

.nav__list {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav__link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-anthracite);
  position: relative;
  padding: 10px 0;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  transition: color var(--transition);
}

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

.nav__link:hover,
.nav__link:focus {
  color: var(--color-primary);
}

.nav__link:hover::after,
.nav__link:focus::after {
  width: 100%;
}

.nav__link--cta {
  background-color: var(--color-primary);
  color: #ffffff;
  padding: 8px 20px;
  border-radius: var(--radius);
}

.nav__link--cta::after {
  display: none;
}

.nav__link--cta:hover,
.nav__link--cta:focus {
  background-color: var(--color-primary-dark);
  color: #ffffff;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.mobile-menu-toggle__bar {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-navy);
  border-radius: 2px;
  transition: all var(--transition);
}

.mobile-menu {
  display: none;
  position: absolute;
  top: var(--header-height);
  left: 0;
  right: 0;
  background-color: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  padding: 16px 24px;
}

.mobile-menu[hidden] {
  display: none;
}

.mobile-menu:not([hidden]) {
  display: block;
}

.mobile-menu__list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.mobile-menu__link {
  display: inline-flex;
  align-items: center;
  width: 100%;
  padding: 12px 16px;
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-anthracite);
  border-radius: var(--radius);
  min-height: 44px;
  transition: all var(--transition);
}

.mobile-menu__link:hover,
.mobile-menu__link:focus {
  background-color: var(--color-bg-alt);
  color: var(--color-primary);
}

.mobile-menu__link--cta {
  background-color: var(--color-primary);
  color: #ffffff;
  text-align: center;
  margin-top: 8px;
}

.mobile-menu__link--cta:hover,
.mobile-menu__link--cta:focus {
  background-color: var(--color-primary-dark);
  color: #ffffff;
}

.hero {
  padding: calc(var(--header-height) + 60px) 0 60px;
  background: linear-gradient(135deg, var(--color-bg-alt) 0%, #ffffff 100%);
  position: relative;
  overflow: hidden;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.hero__content {
  max-width: 600px;
}

.hero__title {
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 800;
  color: var(--color-navy);
  line-height: 1.15;
  margin-bottom: 24px;
}

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

.hero__subtitle {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: 40px;
}

.hero__orias {
  font-size: 0.85rem;
  color: var(--color-text-light);
  font-weight: 500;
  letter-spacing: 0.02em;
  margin-bottom: 8px;
}

.hero__actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

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

.hero__illustration {
  width: 100%;
  max-width: 400px;
  aspect-ratio: 1;
  color: var(--color-primary);
}

.hero__illustration svg {
  width: 100%;
  height: 100%;
}

.solutions {
  padding: 60px 0;
  background-color: var(--color-bg);
}

.solutions__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.solution-card {
  background-color: var(--color-bg-card);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow);
  border: 1px solid var(--color-border);
  transition: all var(--transition-slow);
  display: flex;
  flex-direction: column;
}

.solution-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-primary);
}

.solution-card--pro {
  border-top: 4px solid var(--color-primary);
}

.solution-card--part {
  border-top: 4px solid var(--color-navy);
}

.solution-card__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 20px;
}

.solution-card__icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  background-color: var(--color-primary-light);
  color: var(--color-primary);
}

.solution-card--part .solution-card__icon {
  background-color: #e0e7ff;
  color: var(--color-navy);
}

.solution-card__title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 8px;
}

.solution-card__description {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  margin-bottom: 20px;
}

.solution-card__list {
  margin-bottom: 28px;
  flex-grow: 1;
}

.solution-card__list li {
  padding: 8px 0;
  padding-left: 24px;
  position: relative;
  font-size: 0.95rem;
  color: var(--color-anthracite);
  border-bottom: 1px solid var(--color-border-light);
}

.solution-card__list li:last-child {
  border-bottom: none;
  font-style: italic;
  color: var(--color-text-muted);
}

.solution-card__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-primary);
}

.solution-card--part .solution-card__list li::before {
  background-color: var(--color-navy);
}

.engagements {
  padding: 60px 0;
  background-color: var(--color-bg-alt);
}

.engagements__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.engagement-card {
  background-color: var(--color-bg-card);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  box-shadow: var(--shadow);
  border: 1px solid var(--color-border);
  transition: all var(--transition-slow);
}

.engagement-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-primary);
}

.engagement-card__icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  border-radius: 50%;
  background-color: var(--color-primary-light);
  color: var(--color-primary);
}

.engagement-card__title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 12px;
}

.engagement-card__text {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.apropos {
  padding: 60px 0;
  background-color: var(--color-bg);
}

.apropos__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.apropos__content .section-title {
  text-align: left;
  margin-bottom: 24px;
}

.apropos__text {
  font-size: 1rem;
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: 16px;
}

.apropos__stats {
  display: flex;
  gap: 32px;
  margin-top: 32px;
  padding-top: 32px;
  border-top: 1px solid var(--color-border);
}

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

.apropos__stat-number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 4px;
}

.apropos__stat-label {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

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

.apropos__image {
  width: 100%;
  max-width: 500px;
  aspect-ratio: 5/4;
  color: var(--color-navy);
}

.apropos__image svg {
  width: 100%;
  height: 100%;
}

.conformite {
  padding: 60px 0;
  background-color: var(--color-bg-alt);
}

.conformite__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.conformite__card {
  background-color: var(--color-bg-card);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  box-shadow: var(--shadow);
  border: 1px solid var(--color-border);
  transition: all var(--transition-slow);
}

.conformite__card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-primary);
}

.conformite__icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  border-radius: 50%;
  background-color: var(--color-primary-light);
  color: var(--color-primary);
}

.conformite__title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 12px;
}

.conformite__text {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.conformite__text a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

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

.contact {
  padding: 60px 0;
  background-color: var(--color-bg);
}

.contact__card {
  background-color: var(--color-bg-card);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow);
  border: 1px solid var(--color-border);
  max-width: 800px;
  margin: 0 auto;
}

.contact__card-header {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  margin-bottom: 32px;
}

.contact__card-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  flex-shrink: 0;
}

.contact__card-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 8px;
}

.contact__card-text {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

.contact__card-actions {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 32px;
}

.contact__phone-actions {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.btn--lg {
  padding: 16px 24px;
  font-size: 1.05rem;
  gap: 10px;
}

.contact__card-footer {
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
}

.contact__address {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.95rem;
  color: var(--color-anthracite);
  line-height: 1.6;
}

.contact__address svg {
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--color-text-muted);
}

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

  .hero__content {
    max-width: 100%;
  }

  .hero__actions {
    justify-content: center;
  }

  .hero__visual {
    display: none;
  }

  .solutions__grid {
    grid-template-columns: 1fr;
    max-width: 600px;
    margin: 0 auto;
  }

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

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

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

  .apropos__visual {
    order: -1;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 16px;
  }

  .nav {
    display: none;
  }

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

  .site-logo {
    max-height: 45px;
  }

  .logo__title {
    font-size: 0.75rem;
    letter-spacing: 0.3px;
  }

  .header .container {
    gap: 12px;
  }

  .btn {
    min-height: 44px;
  }

  .hero__title {
    font-size: clamp(1.8rem, 5vw, 2rem);
  }

  .engagements__grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin: 0 auto;
  }

  .conformite__grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin: 0 auto;
  }

  .apropos__stats {
    flex-direction: column;
    gap: 16px;
  }

  .site-footer {
    padding: 32px 0 48px;
  }

  .footer-container {
    flex-direction: column;
    align-items: flex-start;
    gap: 24px;
    padding-bottom: 32px;
  }

  .footer-col {
    width: 100%;
  }

  .footer-col .footer-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
  }

  .footer-col.is-closed .footer-links {
    display: none !important;
  }

  .hero {
    padding: calc(var(--header-height) + 40px) 0 40px;
  }

  .solutions,
  .engagements,
  .apropos,
  .conformite,
  .contact {
    padding: 40px 0;
  }

  .section-header {
    margin-bottom: 32px;
  }

  .contact__card {
    width: 100%;
    box-sizing: border-box;
    overflow: hidden;
  }

  .contact__card-header {
    flex-direction: column;
    text-align: center;
    align-items: center;
  }

  .contact__phone-actions {
    grid-template-columns: 1fr;
  }

  .btn--lg {
    width: 100%;
    font-size: 0.95rem;
    text-align: center;
    justify-content: center;
    white-space: normal;
    overflow-wrap: break-word;
  }
}

@media (max-width: 480px) {
  .solution-card {
    padding: 24px;
  }

  .hero__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .btn {
    width: 100%;
    text-align: center;
  }
}

.site-footer {
  background-color: var(--color-bg-alt);
  color: var(--color-text);
  padding: 40px 0;
}

.footer-container {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px 48px;
}

.footer-col {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-start;
}

.footer-accordion-btn {
  background: transparent;
  border: none;
  padding: 0;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  width: 100%;
  font-weight: bold;
  color: var(--color-text);
  transition: transform 0.25s ease;
}

.arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
}

.footer-col.is-closed .footer-links {
  display: none !important;
}

.footer-col.is-closed .arrow {
  transform: rotate(-90deg);
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition);
}

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

.footer-orias {
  font-size: 0.8rem;
  color: var(--color-text-light);
  margin-top: 12px;
  line-height: 1.5;
}

.legal-modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.legal-modal[hidden] {
  display: none;
}

.legal-modal:not([hidden]) {
  display: flex;
}

.legal-modal__overlay {
  position: absolute;
  inset: 0;
  background-color: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
}

.legal-modal__content {
  position: relative;
  background-color: var(--color-bg);
  border-radius: var(--radius-lg);
  padding: 40px;
  max-width: 600px;
  width: 100%;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
}

.legal-modal__close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--color-text-muted);
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

.legal-modal__close:hover,
.legal-modal__close:focus {
  background-color: var(--color-bg-alt);
  color: var(--color-navy);
  outline: none;
}

.legal-modal__content h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 24px;
}

.legal-modal__content p {
  font-size: 0.95rem;
  color: var(--color-anthracite);
  line-height: 1.7;
  margin-bottom: 16px;
}

.legal-modal__content a {
  color: var(--color-primary);
  text-decoration: underline;
}

.legal-modal__btn-close {
  margin-top: 24px;
}

.legal-block {
  font-size: 0.95rem;
  color: var(--color-anthracite);
  line-height: 1.7;
  margin-bottom: 16px;
}

.endya-block {
  background-color: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px;
  margin-top: 8px;
}

.endya-block__title {
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 10px;
  font-size: 0.95rem;
}