/* Глобальные настройки */
:root {
  --bg-dark: #0a0a0a;
  --accent-silver: #c0c0c0;
  --text-main: #e0e0e0;
  --text-muted: #888;
  --border-color: rgba(192, 192, 192, 0.2);
  --font-serif: "Playfair Display", serif;
  --font-sans: "Inter", sans-serif;
  --transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-sans);
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Эффект мрамора/текстуры на фоне */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url("https://www.transparenttextures.com/patterns/dark-matter.png");
  opacity: 0.3;
  z-index: -1;
  pointer-events: none;
}

/* Header */
.header {
  border-bottom: 1px solid var(--border-color);
  padding: 20px 0;
  position: sticky;
  top: 0;
  background: rgba(10, 10, 10, 0.8);
  backdrop-filter: blur(10px);
  z-index: 1000;
}

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

.header__logo-wrapper {
  display: flex;
  align-items: center;
  gap: 12px;
}

.header__logo-text {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--accent-silver);
}

.header__menu {
  display: flex;
  list-style: none;
  gap: 30px;
  align-items: center;
}

.header__link {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  transition: var(--transition);
}

.header__link:hover {
  color: var(--accent-silver);
  padding-left: 5px;
}

.header__link--cta {
  border: 1px solid var(--accent-silver);
  padding: 10px 20px;
}

.header__link--cta:hover {
  background: var(--accent-silver);
  color: var(--bg-dark);
}

/* Footer */
.footer {
  margin-top: 100px;
  border-top: 1px solid var(--border-color);
  padding-top: 60px;
}

.footer__container {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
  gap: 40px;
  padding-bottom: 60px;
}

.footer__title {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  margin-bottom: 25px;
  color: var(--accent-silver);
}

.footer__list {
  list-style: none;
}

.footer__list li {
  margin-bottom: 12px;
}

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

.footer__list a:hover {
  color: var(--text-main);
  transform: translateX(5px);
  display: inline-block;
}

.footer__list--contacts li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer__bottom {
  border-top: 1px solid var(--border-color);
  padding: 20px 0;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Responsive */
@media (max-width: 992px) {
  .footer__container {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .header__menu {
    display: none;
  }
  .footer__container {
    grid-template-columns: 1fr;
  }
}

/* Hero Section Styles */
.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  position: relative;
  padding: 100px 0;
}

.hero__container {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: center;
  gap: 60px;
}

.hero__label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 4px;
  color: var(--accent-silver);
  margin-bottom: 20px;
  opacity: 0.7;
}

.hero__title {
  font-family: var(--font-serif);
  font-size: clamp(3rem, 8vw, 5.5rem);
  line-height: 1.1;
  margin-bottom: 30px;
  font-weight: 400;
}

.text-italic {
  font-style: italic;
  opacity: 0.8;
}

.hero__description {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 500px;
  margin-bottom: 40px;
}

/* Кнопки */
.btn {
  display: inline-block;
  padding: 18px 35px;
  text-decoration: none;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: var(--transition);
  cursor: pointer;
}

.btn--primary {
  background: var(--accent-silver);
  color: var(--bg-dark);
  margin-right: 20px;
}

.btn--primary:hover {
  background: #fff;
  transform: translateY(-3px);
}

.btn--outline {
  border: 1px solid var(--border-color);
  color: var(--text-main);
}

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

/* Візуальний елемент */
.hero__visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.marble-sphere {
  width: 350px;
  height: 350px;
  background: radial-gradient(circle at 30% 30%, #444, #000);
  border-radius: 50%;
  position: relative;
  box-shadow:
    inset -10px -10px 50px rgba(0, 0, 0, 0.8),
    0 0 40px rgba(192, 192, 192, 0.1);
  overflow: hidden;
}

.marble-sphere::after {
  content: "";
  position: absolute;
  width: 200%;
  height: 200%;
  background: url("https://www.transparenttextures.com/patterns/marble.png");
  opacity: 0.2;
  animation: marbleRotate 20s linear infinite;
}

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

.editorial-line {
  position: absolute;
  bottom: 0;
  left: 20px;
  right: 20px;
  height: 1px;
  background: var(--border-color);
}

/* Анімації */
.animate-fade {
  opacity: 0;
  transform: translateY(20px);
}
.animate-slide {
  opacity: 0;
  transform: translateX(-30px);
}

.visible {
  opacity: 1 !important;
  transform: translate(0) !important;
  transition: all 1s ease-out;
}

@media (max-width: 992px) {
  .hero__container {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero__description {
    margin: 0 auto 40px;
  }
  .hero__visual {
    order: -1;
    margin-bottom: 50px;
  }
}

/* Lab Section */
.lab {
  padding: 120px 0;
  border-bottom: 1px solid var(--border-color);
}

.section-title {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  font-weight: 400;
  margin-bottom: 10px;
  color: var(--accent-silver);
}

.section-subtitle {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--text-muted);
  margin-bottom: 60px;
}

.lab__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-top: 1px solid var(--border-color);
  border-left: 1px solid var(--border-color);
}

.lab__item {
  padding: 60px;
  border-right: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  position: relative;
  transition: var(--transition);
  overflow: hidden;
}

.lab__item:hover {
  background: rgba(192, 192, 192, 0.03);
}

.lab__num {
  font-family: var(--font-serif);
  font-size: 1rem;
  color: var(--text-muted);
  display: block;
  margin-bottom: 30px;
}

.lab__item-title {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  margin-bottom: 20px;
}

.lab__item-text {
  color: var(--text-muted);
  font-size: 1rem;
  margin-bottom: 30px;
  line-height: 1.8;
}

.lab__tag {
  display: inline-block;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 5px 12px;
  border: 1px solid var(--border-color);
  color: var(--accent-silver);
}

/* Эффект при наведении на ячейку сетки */
.lab__item::before {
  content: "";
  position: absolute;
  top: -100%;
  left: -100%;
  width: 200%;
  height: 200%;
  background: radial-gradient(
    circle,
    rgba(192, 192, 192, 0.05) 0%,
    transparent 70%
  );
  transition: 0.6s;
  pointer-events: none;
}

.lab__item:hover::before {
  top: -50%;
  left: -50%;
}

@media (max-width: 768px) {
  .lab__grid {
    grid-template-columns: 1fr;
  }
  .lab__item {
    padding: 40px 20px;
  }
}

/* Tech Section */
.tech {
  padding: 120px 0;
  background: linear-gradient(to bottom, var(--bg-dark), #111);
}

.tech__wrapper {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 80px;
}

.tech__intro {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin: 30px 0;
}

.tech__status {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  padding: 10px 20px;
  border: 1px dashed var(--border-color);
  color: var(--accent-silver);
}

.status-dot {
  width: 6px;
  height: 6px;
  background: #00ff00;
  border-radius: 50%;
  box-shadow: 0 0 10px #00ff00;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% {
    opacity: 1;
  }
  50% {
    opacity: 0.3;
  }
  100% {
    opacity: 1;
  }
}

.tech__list {
  display: flex;
  flex-direction: column;
  gap: 2px; /* Тонкие линии между картами */
  background: var(--border-color); /* Имитация границ через gap */
}

.tech__card {
  background: var(--bg-dark);
  padding: 40px;
  transition: var(--transition);
}

.tech__card:hover {
  padding-left: 50px;
}

.tech__card-header {
  display: flex;
  align-items: baseline;
  gap: 20px;
  margin-bottom: 15px;
}

.tech__code {
  font-family: monospace;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.tech__name {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--text-main);
}

.tech__desc {
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 600px;
}

@media (max-width: 992px) {
  .tech__wrapper {
    grid-template-columns: 1fr;
  }
  .tech__sidebar {
    text-align: center;
  }
}

/* Cases Section */
.cases {
  padding: 120px 0;
  position: relative;
}

.cases__content {
  display: flex;
  flex-direction: column;
  gap: 150px; /* Большой отступ между проектами */
  margin-top: 80px;
}

.case-card {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 60px;
}

.case-card--reverse {
  grid-template-columns: 0.9fr 1.1fr;
}

.case-card--reverse .case-card__visual {
  order: 2;
}

.case-card__visual {
  position: relative;
  height: 500px;
  background: #1a1a1a;
  border: 1px solid var(--border-color);
  padding: 20px;
  transition: var(--transition);
}

.case-card:hover .case-card__visual {
  border-color: var(--accent-silver);
}

.case-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(100%) contrast(1.2);
  transition: var(--transition);
  opacity: 0.6;
}

.case-card:hover .case-card__img {
  filter: grayscale(0%);
  opacity: 1;
}

.case-card__info {
  padding: 20px;
}

.case-card__category {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--accent-silver);
  display: block;
  margin-bottom: 20px;
}

.case-card__title {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  line-height: 1.2;
  margin-bottom: 25px;
}

.case-card__text {
  color: var(--text-muted);
  font-size: 1.1rem;
  margin-bottom: 35px;
  border-left: 2px solid var(--border-color);
  padding-left: 25px;
}

.case-card__link {
  text-decoration: none;
  color: var(--text-main);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  transition: var(--transition);
}

.case-card__link:hover {
  gap: 20px;
  color: var(--accent-silver);
}

@media (max-width: 992px) {
  .case-card,
  .case-card--reverse {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .case-card--reverse .case-card__visual {
    order: 0;
  }
  .case-card__visual {
    height: 300px;
  }
}

/* Blog Section */
.blog {
  padding: 120px 0;
  border-bottom: 1px solid var(--border-color);
}

.blog__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 80px;
}

.blog__cta-top {
  text-align: right;
  font-size: 0.9rem;
}

.blog__cta-top span {
  display: block;
  color: var(--text-muted);
  margin-bottom: 5px;
}

.link-underlined {
  color: var(--accent-silver);
  text-decoration: none;
  border-bottom: 1px solid var(--accent-silver);
  transition: var(--transition);
}

.link-underlined:hover {
  color: #fff;
  border-color: #fff;
}

.blog__list {
  border-top: 1px solid var(--border-color);
}

.blog-item {
  display: grid;
  grid-template-columns: 200px 1fr 200px;
  align-items: center;
  padding: 40px 0;
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition);
}

.blog-item:hover {
  background: rgba(255, 255, 255, 0.02);
  padding-left: 20px;
  padding-right: 20px;
}

.blog-item__date {
  font-family: monospace;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.blog-item__title {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  margin-bottom: 10px;
  transition: var(--transition);
}

.blog-item:hover .blog-item__title {
  color: var(--accent-silver);
}

.blog-item__preview {
  color: var(--text-muted);
  font-size: 0.95rem;
  max-width: 600px;
}

.blog-item__more {
  text-align: right;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 2px;
  color: var(--text-main);
  text-decoration: none;
  opacity: 0;
  transform: translateX(-20px);
  transition: var(--transition);
}

.blog-item:hover .blog-item__more {
  opacity: 1;
  transform: translateX(0);
}

.blog__footer {
  margin-top: 60px;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.8rem;
  font-style: italic;
}

@media (max-width: 992px) {
  .blog-item {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .blog-item__more {
    text-align: left;
    opacity: 1;
    transform: none;
  }
  .blog__header {
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
  }
}

/* Contact Section */
.contact {
  padding: 120px 0;
  background: #0e0e0e;
}
.contact__container {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 100px;
}
.contact__text {
  font-size: 1.2rem;
  color: var(--text-muted);
  margin: 30px 0;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.form-group input {
  width: 100%;
  padding: 20px;
  background: transparent;
  border: 1px solid var(--border-color);
  color: #fff;
  font-family: var(--font-sans);
  transition: var(--transition);
}
.form-group input:focus {
  border-color: var(--accent-silver);
  outline: none;
}

/* Custom Checkbox */
.custom-checkbox {
  display: flex;
  align-items: center;
  gap: 15px;
  cursor: pointer;
  margin: 5px 0;
}
.custom-checkbox input {
  display: none;
}
.checkmark {
  width: 20px;
  height: 20px;
  border: 1px solid var(--accent-silver);
  position: relative;
  flex-shrink: 0;
}
.custom-checkbox input:checked + .checkmark::after {
  content: "✓";
  position: absolute;
  left: 4px;
  top: -2px;
  color: var(--accent-silver);
}
.checkbox-text {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.btn--full {
  width: 100%;
}
.form-message {
  padding: 15px;
  border: 1px solid #28a745;
  color: #28a745;
  margin-top: 15px;
  text-align: center;
}

/* Cookie Popup */
.cookie-popup {
  position: fixed;
  bottom: 30px;
  left: 30px;
  right: 30px;
  background: #1a1a1a;
  border: 1px solid var(--accent-silver);
  padding: 20px;
  z-index: 9999;
  transform: translateY(200%);
  transition: transform 0.6s ease;
}
.cookie-popup--active {
  transform: translateY(0);
}
.cookie-popup__content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}

/* Styles for Policy Pages (privacy.html etc.) */
.pages {
  padding: 150px 0;
  background: var(--bg-dark);
  min-height: 80vh;
}
.pages h1 {
  font-family: var(--font-serif);
  font-size: 3rem;
  margin-bottom: 40px;
}
.pages h2 {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  margin: 30px 0 15px;
}
.pages p {
  color: var(--text-muted);
  margin-bottom: 20px;
  line-height: 1.8;
}
.pages ul {
  margin-bottom: 20px;
  padding-left: 20px;
}
.pages li {
  color: var(--text-muted);
  margin-bottom: 10px;
}
.pages a {
  color: var(--accent-silver);
}

@media (max-width: 768px) {
  .contact__container {
    grid-template-columns: 1fr;
    gap: 50px;
  }
  .cookie-popup__content {
    flex-direction: column;
    text-align: center;
  }
}