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

:root {
  --color-bg: #0a0e17;
  --color-bg-elevated: #111827;
  --color-bg-muted: #f4f6f9;
  --color-surface: #1a2234;
  --color-primary: #f59e0b;
  --color-primary-dark: #d97706;
  --color-primary-glow: rgba(245, 158, 11, 0.25);
  --color-accent: #3b82f6;
  --color-text: #1e293b;
  --color-text-muted: #64748b;
  --color-text-light: #94a3b8;
  --color-white: #ffffff;
  --color-border: #e2e8f0;
  --font: 'Manrope', system-ui, sans-serif;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.15);
  --header-height: 72px;
  --transition: 0.25s ease;
  --color-glass: rgba(20, 28, 44, 0.82);
  --color-glass-border: rgba(255, 255, 255, 0.1);
}

html {
  scroll-behavior: smooth;
   overflow-y: scroll;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-white);
  background-color: var(--color-bg);
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -2;
  background: url('images/hero-bg.jpg') center center / cover no-repeat;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  transform: translateZ(0);
  will-change: transform;
}

body::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(
      to right,
      rgba(10, 14, 23, 0) 0%,
      rgba(10, 14, 23, 0.1) 22%,
      rgba(10, 14, 23, 0.1) 45%,
      rgba(10, 14, 23, 0.4) 68%,
      rgba(10, 14, 23, 0.5) 85%,
      rgba(10, 14, 23, 0.01) 100%
    ),
    linear-gradient(
      to bottom,
      rgba(10, 14, 23, 0.45) 0%,
      rgba(10, 14, 23, 0.08) 35%,
      rgba(10, 14, 23, 0.05) 65%,
      rgba(10, 14, 23, 0.35) 100%
    );
}

main {
  flex: 1 0 auto;
}

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

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-height);
  background: rgba(10, 14, 23, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  transition: background var(--transition);
}

.header.scrolled {
  background: rgba(10, 14, 23, 0.95);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
 display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--color-white);
    font-weight: 700;
    font-size: 1.7rem;
    letter-spacing: -0.03em;
}

.logo__icon {
  font-size: 1.5rem;
}

.logo__accent {
  color: var(--color-primary);
   font-weight: 800;
}

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

.nav__link {
  color: var(--color-text-light);
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 500;
  transition: color var(--transition);
}

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

.nav__link--active {
  color: var(--color-primary);
  cursor: default;
  pointer-events: none;
}

.nav__link--cta {
  background: var(--color-primary);
  color: var(--color-bg) !important;
  padding: 10px 20px;
  border-radius: 8px;
  font-weight: 600;
  border: none;
  font-family: var(--font);
  font-size: 0.9375rem;
  cursor: pointer;
}

.nav__link--cta:hover {
  background: var(--color-primary-dark);
}

.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-white);
  transition: var(--transition);
}

.burger.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.burger.active span:nth-child(2) {
  opacity: 0;
}

.burger.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Hero */
.hero {
  position: relative;
  min-height: auto;
  display: flex;
  align-items: center;
  padding: calc(var(--header-height) + 40px) 0 32px;
  color: var(--color-white);
}

.hero__inner {
  position: relative;
  max-width: 640px;
  padding: 0 24px;
}

.hero__tag {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 20px;
}

.hero__title {
  font-size: clamp(2rem, 4.5vw, 3.25rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

.hero__desc {
  font-size: 1.125rem;
  color: var(--color-text-light);
  max-width: 540px;
  margin-bottom: 36px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 48px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: 10px;
  font-family: var(--font);
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
}

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

.btn--primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--color-primary-glow);
}

.btn--outline {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.25);
}

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

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

.hero__stats {
  display: flex;
  gap: 48px;
}

.stat__value {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.2;
}

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

/* Sections */
.section {
  padding: 100px 0;
  color: var(--color-white);
}

/* Отступ под фиксированный header для страниц без hero-блока */
.main--offset {
  display: flex;
  flex-direction: column;
  padding-top: var(--header-height);
}

.main--offset > .section:only-child {
  flex: 1;
}

.section--dark,
.section--muted,
.section--overlay {
  background: transparent;
  color: var(--color-white);
}

.section--overlay {
  background: transparent;
}

#advantages {
  position: relative;
  z-index: 2;
  scroll-margin-top: var(--header-height);
  background: transparent;
  padding-top: 48px;
}

.section__header {
  margin-bottom: 56px;
}

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

.section__tag {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.section__title {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--color-white);
}

.section__subtitle {
  margin-top: 16px;
  font-size: 1.0625rem;
  color: var(--color-text-light);
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

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

/* About */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.about-grid__text p {
  margin-bottom: 20px;
  color: var(--color-text-light);
  font-size: 1.0625rem;
}

.check-list {
  list-style: none;
  margin-top: 28px;
}

.check-list li {
  position: relative;
  padding-left: 28px;
  margin-bottom: 12px;
  font-weight: 500;
  color: var(--color-white);
}

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

.about-grid__cards {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.info-card {
  padding: 28px;
  background: var(--color-glass);
  border: 1px solid var(--color-glass-border);
  backdrop-filter: blur(12px);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}

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

.info-card__icon {
  font-size: 1.75rem;
  margin-bottom: 12px;
}

.info-card h3 {
  font-size: 1.125rem;
  margin-bottom: 8px;
  color: var(--color-white);
}

.info-card p {
  font-size: 0.9375rem;
  color: var(--color-text-light);
}

/* Services */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  padding: 32px;
  background: var(--color-glass);
  border: 1px solid var(--color-glass-border);
  backdrop-filter: blur(12px);
  border-radius: var(--radius);
  transition: border-color var(--transition), transform var(--transition);
}

.service-card:hover {
  border-color: rgba(245, 158, 11, 0.3);
  transform: translateY(-4px);
}

.service-card__num {
  display: block;
  font-size: 2.5rem;
  font-weight: 800;
  color: rgb(245 158 8);
  line-height: 1;
  margin-bottom: 16px;
}

.service-card h3 {
  font-size: 1.125rem;
  margin-bottom: 12px;
  color: var(--color-white);
}

.service-card p {
  font-size: 0.9375rem;
  color: var(--color-text-light);
  line-height: 1.65;
}

/* Lab */
.lab-layout {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 60px;
  align-items: start;
}

.lab-intro {
  font-size: 1.0625rem;
  color: var(--color-text-light);
  margin: 20px 0 36px;
  line-height: 1.7;
}

.lab-tests {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.lab-test {
  padding: 20px;
  background: var(--color-glass);
  transition: transform var(--transition);
  border: 1px solid var(--color-glass-border);
  backdrop-filter: blur(12px);
  border-radius: var(--radius);
  border-left: 3px solid var(--color-primary);
}

.lab-test strong {
  display: block;
  font-size: 0.9375rem;
  margin-bottom: 4px;
  color: var(--color-white);
}

.lab-test span {
  font-size: 0.8125rem;
  color: var(--color-text-light);
}

.lab-test:hover {
  transform: translateY(-4px);
}

.lab-layout__visual {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.lab-badge {
  padding: 32px;
  background: linear-gradient(135deg, var(--color-bg) 0%, var(--color-surface) 100%);
  color: var(--color-white);
  border-radius: var(--radius-lg);
  text-align: center;
}

.lab-badge__title {
  display: block;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.lab-badge__text {
  font-size: 0.9375rem;
  color: var(--color-text-light);
}

.lab-flow {
  padding: 28px;
  background: var(--color-glass);
  border: 1px solid var(--color-glass-border);
  backdrop-filter: blur(12px);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.lab-flow__step {
  display: flex;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.lab-flow__step:last-child {
  border-bottom: none;
}

.lab-flow__dot {
  flex-shrink: 0;
  width: 12px;
  height: 12px;
  margin-top: 6px;
  background: var(--color-primary);
  border-radius: 50%;
  box-shadow: 0 0 0 4px var(--color-primary-glow);
}

.lab-flow__step strong {
  display: block;
  margin-bottom: 2px;
  color: var(--color-white);
}

.lab-flow__step p {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

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

.advantage {
  padding: 32px 24px;
  background: var(--color-glass);
  border: 1px solid var(--color-glass-border);
  backdrop-filter: blur(12px);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  text-align: center;
  transition: transform var(--transition);
}

.advantage:hover {
  transform: translateY(-4px);
}

.advantage__icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.advantage h3 {
  font-size: 1.0625rem;
  margin-bottom: 10px;
  color: var(--color-white);
}

.advantage p {
  font-size: 0.875rem;
  color: var(--color-text-light);
  line-height: 1.6;
}

/* Projects */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.project-card {
  background: var(--color-glass);
  border: 1px solid var(--color-glass-border);
  backdrop-filter: blur(12px);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}

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

.project-card__media {
  display: block;
  width: 100%;
  padding: 0;
  border: none;
  background: #0f172a;
  cursor: pointer;
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

.project-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
}

.project-card:hover .project-card__media img {
  transform: scale(1.05);
}

.project-card__placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-light);
  font-size: 0.9375rem;
}

.project-card__count {
  position: absolute;
  right: 12px;
  bottom: 12px;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(10, 14, 23, 0.75);
  color: var(--color-white);
  font-size: 0.8125rem;
  font-weight: 600;
}

.project-card__body {
  padding: 20px 24px 24px;
}

.project-card__date {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 6px;
}

.project-card__title {
  font-size: 1.0625rem;
  margin-bottom: 8px;
  color: var(--color-white);
}

.project-card__desc {
  font-size: 0.875rem;
  color: var(--color-text-light);
  line-height: 1.6;
  max-height: 120px;
  overflow-y: auto;
  padding-right: 4px;
}

.project-card__desc::-webkit-scrollbar {
  width: 4px;
}

.project-card__desc::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.2);
  border-radius: 4px;
}

.projects-empty {
  text-align: center;
  padding: 48px 24px;
  color: var(--color-text-light);
  font-size: 1.0625rem;
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 300;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--transition), visibility var(--transition);
}

.lightbox.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.lightbox__overlay {
  position: absolute;
  inset: 0;
  background: rgba(10, 14, 23, 0.9);
}

.lightbox__dialog {
  position: relative;
  width: 100%;
  max-width: 960px;
  z-index: 1;
}

.lightbox__close {
  position: absolute;
  top: -48px;
  right: 0;
  width: 40px;
  height: 40px;
  border: none;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.1);
  color: var(--color-white);
  font-size: 1.5rem;
  cursor: pointer;
}

.lightbox__title {
  color: var(--color-white);
  font-size: 1.25rem;
  margin-bottom: 16px;
  text-align: center;
}

.lightbox__stage {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.lightbox__image {
  max-width: 100%;
  max-height: calc(100vh - 180px);
  border-radius: var(--radius);
  object-fit: contain;
  background: #0f172a;
}

.lightbox__nav {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border: none;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  color: var(--color-white);
  font-size: 1.75rem;
  line-height: 1;
  cursor: pointer;
  transition: background var(--transition);
}

.lightbox__nav:hover {
  background: rgba(245, 158, 11, 0.35);
}

.lightbox__counter {
  margin-top: 16px;
  text-align: center;
  color: var(--color-text-light);
  font-size: 0.875rem;
}

/* Contact */
.contact-layout {
  max-width: 720px;
}

.contact-layout .section__header {
  margin-bottom: 40px;
}

.contact-layout .section__subtitle {
  margin-left: 0;
  margin-right: 0;
  max-width: none;
}

.contact-channels {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 40px;
}

.contact-channel {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 24px;
  background: var(--color-glass);
  border: 1px solid var(--color-glass-border);
  backdrop-filter: blur(12px);
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--color-white);
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.contact-channel:hover {
  border-color: rgba(245, 158, 11, 0.35);
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.contact-channel__icon {
  font-size: 1.5rem;
  font-weight: 800;
  line-height: 1;
  color: var(--color-primary);
}

.contact-channel__label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-light);
}

.contact-channel__value {
  font-size: 1.0625rem;
  font-weight: 600;
  line-height: 1.4;
}

.contact-layout__cta {
  padding-top: 8px;
}

.contact-layout__cta p {
  color: var(--color-text-light);
  margin-bottom: 16px;
  font-size: 1.0625rem;
}

.contact-layout__info p {
  color: var(--color-text-light);
  margin: 16px 0 24px;
  font-size: 1.0625rem;
}

.contact-layout__info .btn {
  margin-bottom: 32px;
}

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

.contact-item__label {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-light);
  margin-bottom: 4px;
}

.contact-item a {
  color: var(--color-white);
  text-decoration: none;
  font-weight: 600;
  font-size: 1.0625rem;
  transition: color var(--transition);
}

.contact-item a:hover {
  color: var(--color-primary);
}

.contact-form {
  padding: 36px;
  background: var(--color-glass);
  border: 1px solid var(--color-glass-border);
  backdrop-filter: blur(12px);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--color-white);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  font-family: var(--font);
  font-size: 0.9375rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  background: rgba(10, 14, 23, 0.55);
  color: var(--color-white);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-glow);
}

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

.form-note {
  margin-top: 12px;
  font-size: 0.75rem;
  color: var(--color-text-light);
  text-align: center;
}

.form-success {
  padding: 20px;
  background: #ecfdf5;
  border: 1px solid #6ee7b7;
  border-radius: 8px;
  color: #065f46;
  text-align: center;
  font-weight: 600;
}

/* Modal */
.modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--transition), visibility var(--transition);
}

.modal.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.modal__overlay {
  position: absolute;
  inset: 0;
  background: rgba(10, 14, 23, 0.75);
  backdrop-filter: blur(4px);
}

.modal__dialog {
  position: relative;
  width: 100%;
  max-width: 520px;
  max-height: calc(100vh - 48px);
  overflow-y: auto;
  padding: 36px;
  background: var(--color-glass);
  border: 1px solid var(--color-glass-border);
  backdrop-filter: blur(16px);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  color: var(--color-white);
  transform: translateY(24px) scale(0.96);
  transition: transform var(--transition);
}

.modal.is-open .modal__dialog {
  transform: translateY(0) scale(1);
}

.modal__close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--color-text-light);
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
}

.modal__close:hover {
  background: rgba(255, 255, 255, 0.15);
  color: var(--color-white);
}

.modal__header {
  margin-bottom: 28px;
  padding-right: 32px;
}

.modal__title {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
  color: var(--color-white);
}

.modal__desc {
  font-size: 0.9375rem;
  color: var(--color-text-light);
}

.modal .contact-form {
  padding: 0;
  border: none;
  box-shadow: none;
  background: transparent;
}

body.modal-open {
  overflow: hidden;
}

/* Footer */
.footer {
  background: rgba(10, 14, 23, 0.88);
  backdrop-filter: blur(8px);
  color: var(--color-text-light);
  padding: 48px 0;
}

.footer__inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  align-items: start;
}

.footer__brand p {
  margin-top: 12px;
  font-size: 0.875rem;
  max-width: 280px;
}

.footer__brand .logo__text {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-white);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer__links a {
  color: var(--color-text-light);
  text-decoration: none;
  font-size: 0.9375rem;
  transition: color var(--transition);
}

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

.footer__links a.footer__link--active {
  color: var(--color-primary);
  cursor: default;
  pointer-events: none;
}

.footer__copy {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  align-self: end;
}

/* Responsive */
@media (max-width: 1024px) {
  body::before {
    background-position: center center;
  }

  body::after {
    background:
      linear-gradient(
        to right,
        rgba(10, 14, 23, 0.95) 0%,
        rgba(10, 14, 23, 0.88) 30%,
        rgba(10, 14, 23, 0.65) 60%,
        rgba(10, 14, 23, 0.4) 100%
      ),
      linear-gradient(
        to bottom,
        rgba(10, 14, 23, 0.5) 0%,
        rgba(10, 14, 23, 0.15) 40%,
        rgba(10, 14, 23, 0.35) 100%
      );
  }

  .about-grid,
  .lab-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

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

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

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

  .footer__copy {
    grid-column: 1 / -1;
  }
}

@media (max-width: 768px) {
  .nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: var(--color-bg);
    padding: 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition), opacity var(--transition);
  }

  .nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav__link {
    padding: 14px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    width: 100%;
  }

  .nav__link--cta {
    margin-top: 8px;
    text-align: center;
  }

  .burger {
    display: flex;
  }

  .hero__stats {
    gap: 32px;
  }

  .services-grid,
  .lab-tests,
  .projects-grid,
  .contact-channels {
    grid-template-columns: 1fr;
  }

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

  .footer__inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer__brand p {
    max-width: none;
  }

  .footer__links {
    align-items: center;
  }
}