:root {
  --bg-color: #0a0a0c;
  --card-bg: #141418;
  --accent-color: #00ff88;
  --text-primary: #f0f0f0;
  --text-secondary: #a0a0a5;
  --border-color: #2a2a30;
  --font-main: "Space Grotesk", sans-serif;
  --font-mono: "JetBrains Mono", monospace;
}

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

html {
  scroll-behavior: smooth;
}

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

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

ul {
  list-style: none;
}

a {
  text-decoration: none;
  color: inherit;
  transition: 0.3s;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(10, 10, 12, 0.8);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  padding: 15px 0;
}

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

.header__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.5rem;
  text-transform: uppercase;
  letter-spacing: -1px;
}

.header__logo-img {
  width: 32px;
}

.header__menu {
  display: flex;
  gap: 30px;
}

.header__link {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  text-transform: lowercase;
}

.header__link:hover {
  color: var(--accent-color);
}

.header__cta {
  background: transparent;
  border: 1px solid var(--accent-color);
  color: var(--accent-color);
  padding: 8px 20px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  transition: 0.3s cubic-bezier(0.23, 1, 0.32, 1);
}

.header__cta:hover {
  background: var(--accent-color);
  color: var(--bg-color);
  box-shadow: 0 0 15px var(--accent-color);
}

.header__burger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 30px;
  height: 20px;
  position: relative;
}

.header__burger span,
.header__burger::before,
.header__burger::after {
  content: "";
  position: absolute;
  width: 100%;
  height: 2px;
  background: var(--accent-color);
  left: 0;
  transition: 0.3s;
}

.header__burger::before {
  top: 0;
}
.header__burger span {
  top: 9px;
}
.header__burger::after {
  bottom: 0;
}

/* Footer */
.footer {
  padding: 80px 0 30px;
  background: var(--card-bg);
  border-top: 1px solid var(--border-color);
  margin-top: 100px;
}

.footer__container {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
}

.footer__logo {
  font-weight: 700;
  font-size: 1.8rem;
  margin-bottom: 20px;
  color: var(--accent-color);
}

.footer__desc {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.footer__title {
  font-family: var(--font-mono);
  margin-bottom: 25px;
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 2px;
}

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

.footer__list a {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

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

.footer__bottom {
  margin-top: 60px;
  padding-top: 30px;
  border-top: 1px solid var(--border-color);
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.8rem;
}

/* Mobile */
@media (max-width: 992px) {
  .header__nav,
  .header__cta {
    display: none;
  }
  .header__burger {
    display: block;
  }
  .footer__container {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 576px) {
  .footer__container {
    grid-template-columns: 1fr;
  }
}

/* Hero & Bento Grid */
.hero {
  padding: 140px 0 60px;
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.hero__bento {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(2, 300px);
  gap: 20px;
}

.hero__main-card {
  grid-column: span 2;
  grid-row: span 2;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  padding: 60px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.hero__main-card::before {
  content: "+";
  position: absolute;
  top: 10px;
  right: 10px;
  font-family: var(--font-mono);
  color: var(--accent-color);
  opacity: 0.5;
}

.hero__badge {
  font-family: var(--font-mono);
  color: var(--accent-color);
  font-size: 0.8rem;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.hero__badge::before {
  content: "";
  width: 30px;
  height: 1px;
  background: var(--accent-color);
}

.hero__title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  line-height: 1.1;
  margin-bottom: 25px;
  font-weight: 700;
}

.hero__title .accent {
  color: var(--accent-color);
  font-style: italic;
}

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

/* Buttons */
.btn {
  display: inline-block;
  padding: 15px 30px;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  transition: 0.4s;
  cursor: pointer;
  border: 1px solid var(--accent-color);
}

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

.btn--primary:hover {
  background: transparent;
  color: var(--accent-color);
  box-shadow: 0 0 20px rgba(0, 255, 136, 0.3);
}

.btn--secondary {
  margin-left: 15px;
  color: var(--text-primary);
  border-color: var(--border-color);
}

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

/* Viz Card (Canvas) */
.hero__viz-card {
  grid-column: span 2;
  background: #000;
  border: 1px solid var(--border-color);
  position: relative;
  overflow: hidden;
}

#matrix-canvas {
  width: 100%;
  height: 100%;
  opacity: 0.4;
}

.viz-card__overlay {
  position: absolute;
  bottom: 20px;
  left: 20px;
  display: flex;
  flex-direction: column;
  gap: 5px;
  font-size: 0.7rem;
  color: var(--accent-color);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Stat & Status Cards */
.hero__stat-card,
.hero__status-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  padding: 30px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.stat-card__val {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent-color);
  margin: 10px 0;
}

.stat-card__label {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  margin-bottom: 15px;
}

.dot {
  width: 8px;
  height: 8px;
  background: var(--accent-color);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent-color);
  animation: blink 2s infinite;
}

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

/* Mobile Bento */
@media (max-width: 992px) {
  .hero__bento {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto;
  }
  .hero__main-card {
    grid-column: span 2;
    padding: 40px;
  }
}

@media (max-width: 576px) {
  .hero__bento {
    grid-template-columns: 1fr;
  }
  .hero__main-card,
  .hero__viz-card {
    grid-column: span 1;
  }
  .hero__actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
  }
  .btn--secondary {
    margin-left: 0;
  }
}

/* Services Section */
.services {
  padding: 100px 0;
}

.section-header {
  margin-bottom: 60px;
  text-align: left;
}

.section-title {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 15px;
  text-transform: uppercase;
  letter-spacing: -2px;
}

.section-subtitle {
  color: var(--text-secondary);
  font-family: var(--font-mono);
  max-width: 600px;
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: 320px;
  gap: 20px;
}

.service-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  padding: 40px;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: 0.5s cubic-bezier(0.23, 1, 0.32, 1);
}

.service-card:hover {
  border-color: var(--accent-color);
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 255, 136, 0.05);
}

.service-card--large {
  grid-column: span 2;
  flex-direction: row;
  align-items: center;
}

.service-card--accent {
  background: linear-gradient(135deg, #141418 0%, #0a2a1a 100%);
  border-color: rgba(0, 255, 136, 0.3);
}

.service-card__icon {
  color: var(--accent-color);
  width: 40px;
  height: 40px;
  margin-bottom: 20px;
}

.service-card__title {
  font-size: 1.5rem;
  margin-bottom: 15px;
  font-weight: 700;
}

.service-card__text {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 20px;
}

.service-card__list {
  margin-top: 20px;
}

.service-card__list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.service-card__list li i {
  width: 16px;
  color: var(--accent-color);
}

.service-card__link {
  font-family: var(--font-mono);
  color: var(--accent-color);
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.8rem;
  margin-top: auto;
}

.service-card__badge {
  position: absolute;
  top: 20px;
  right: -30px;
  background: var(--accent-color);
  color: var(--bg-color);
  padding: 5px 40px;
  transform: rotate(45deg);
  font-size: 0.7rem;
  font-weight: 700;
  font-family: var(--font-mono);
}

.service-card__image {
  width: 40%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.service-card__image img {
  width: 100%;
  opacity: 0.5;
  filter: grayscale(1);
}

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

@media (max-width: 768px) {
  .services__grid {
    grid-template-columns: 1fr;
    grid-auto-rows: auto;
  }
  .service-card--large {
    grid-column: span 1;
    flex-direction: column;
  }
  .service-card__image {
    width: 100%;
    margin-top: 20px;
  }
}

/* Stack Section */
.stack {
  padding: 100px 0;
  position: relative;
  border-top: 1px solid var(--border-color);
  background-image: radial-gradient(var(--border-color) 1px, transparent 1px);
  background-size: 40px 40px; /* Эффект инженерной сетки */
}

.stack__container {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 80px;
  align-items: center;
}

.stack__description {
  color: var(--text-secondary);
  margin: 20px 0 30px;
  font-size: 1.1rem;
}

.stack__meta {
  padding: 20px;
  border-left: 2px solid var(--accent-color);
  background: rgba(0, 255, 136, 0.03);
  margin-bottom: 40px;
  font-size: 0.85rem;
  color: var(--accent-color);
}

.stack__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px; /* Тонкие линии между элементами */
  background: var(--border-color); /* Цвет линий сетки */
  border: 1px solid var(--border-color);
}

.stack-item {
  background: var(--bg-color);
  padding: 40px;
  transition: 0.3s;
}

.stack-item:hover {
  background: var(--card-bg);
}

.stack-item__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.stack-item__code {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-secondary);
}

.stack-item i {
  color: var(--accent-color);
  width: 24px;
}

.stack-item__name {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 15px;
}

.stack-item__line {
  width: 40px;
  height: 2px;
  background: var(--accent-color);
  margin-bottom: 15px;
}

.stack-item__details {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

/* Mobile Stack */
@media (max-width: 992px) {
  .stack__container {
    grid-template-columns: 1fr;
    gap: 60px;
  }
}

@media (max-width: 576px) {
  .stack__grid {
    grid-template-columns: 1fr;
  }
}

/* Blog Section */
.blog {
  padding: 100px 0;
  border-bottom: 1px solid var(--border-color);
}

.blog__header {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-bottom: 80px;
  align-items: flex-end;
}

.blog__header-left .mono {
  color: var(--accent-color);
  display: block;
  margin-bottom: 10px;
}

.blog__header-right p {
  color: var(--text-secondary);
  border-left: 1px solid var(--border-color);
  padding-left: 30px;
}

.blog__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.blog-card {
  background: transparent;
  transition: 0.4s;
}

.blog-card:hover .blog-card__img {
  transform: scale(1.05);
}

.blog-card:hover .blog-card__title {
  color: var(--accent-color);
}

.blog-card__image-wrap {
  height: 240px;
  overflow: hidden;
  position: relative;
  margin-bottom: 25px;
  border: 1px solid var(--border-color);
}

.blog-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: 0.6s cubic-bezier(0.23, 1, 0.32, 1);
  filter: grayscale(1) brightness(0.7);
}

.blog-card__tag {
  position: absolute;
  top: 20px;
  right: 20px;
  background: var(--accent-color);
  color: var(--bg-color);
  padding: 4px 12px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
}

.blog-card__meta {
  display: flex;
  justify-content: space-between;
  margin-bottom: 15px;
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.blog-card__title {
  font-size: 1.4rem;
  line-height: 1.3;
  margin-bottom: 15px;
  font-weight: 700;
}

.blog-card__excerpt {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 20px;
}

.blog-card__more {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-color);
  display: flex;
  align-items: center;
  gap: 5px;
}

.blog__footer {
  margin-top: 80px;
  text-align: center;
}

/* Mobile Blog */
@media (max-width: 992px) {
  .blog__grid {
    grid-template-columns: 1fr 1fr;
  }
  .blog__header {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .blog__grid {
    grid-template-columns: 1fr;
  }
}

/* FAQ Section */
.faq {
  padding: 100px 0;
  background: linear-gradient(to bottom, var(--bg-color), #0f0f12);
}

.faq__grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 60px;
}

.faq__text {
  color: var(--text-secondary);
  margin: 20px 0 30px;
}

.faq__status-box {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  border: 1px solid var(--border-color);
  border-radius: 50px;
}

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

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

.faq__trigger {
  width: 100%;
  display: flex;
  align-items: center;
  padding: 30px 0;
  background: none;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
  text-align: left;
  transition: 0.3s;
}

.faq__trigger:hover {
  padding-left: 10px;
}

.faq__trigger:hover .faq__question {
  color: var(--accent-color);
}

.faq__number {
  color: var(--accent-color);
  margin-right: 20px;
  font-size: 0.8rem;
}

.faq__question {
  font-size: 1.2rem;
  font-weight: 500;
  flex-grow: 1;
  transition: 0.3s;
}

.faq__icon {
  transition: 0.4s cubic-bezier(0.23, 1, 0.32, 1);
  color: var(--text-secondary);
}

.faq__content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s cubic-bezier(0.23, 1, 0.32, 1);
}

.faq__content p {
  padding-bottom: 30px;
  color: var(--text-secondary);
  font-size: 1rem;
  padding-left: 45px;
  max-width: 600px;
}

/* Active State */
.faq__item.active .faq__content {
  max-height: 200px;
}

.faq__item.active .faq__icon {
  transform: rotate(45deg);
  color: var(--accent-color);
}

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

/* Contact Section */
.contact {
  padding: 100px 0;
}

.contact__bento {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 30px;
}

.contact__info-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  padding: 60px;
  display: flex;
  flex-direction: column;
}

.contact__details {
  margin: 40px 0;
}

.contact__method {
  margin-bottom: 25px;
}

.contact__method .mono {
  display: block;
  color: var(--accent-color);
  font-size: 0.7rem;
  margin-bottom: 5px;
}

.contact__method a {
  font-size: 1.3rem;
  font-weight: 500;
}

.contact__badge {
  margin-top: auto;
  display: flex;
  align-items: center;
  gap: 15px;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.contact__badge i {
  color: var(--accent-color);
}

/* Form Styles */
.contact__form-card {
  background: var(--bg-color);
  border: 1px solid var(--border-color);
  padding: 60px;
  position: relative;
}

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

.form__input {
  width: 100%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  padding: 18px 25px;
  color: var(--text-primary);
  font-family: var(--font-main);
  transition: 0.3s;
}

.form__input:focus {
  outline: none;
  border-color: var(--accent-color);
  background: rgba(0, 255, 136, 0.02);
}

/* Captcha & Checkbox Customization */
.form__captcha,
.form__terms {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  padding: 15px 20px;
  margin-top: 10px;
}

.captcha-checkbox,
.terms-checkbox {
  display: flex;
  align-items: center;
  cursor: pointer;
  gap: 15px;
}

.captcha-checkbox input,
.terms-checkbox input {
  display: none;
}

.captcha-box,
.terms-box {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border-color);
  position: relative;
  transition: 0.3s;
}

.captcha-checkbox input:checked + .captcha-box,
.terms-checkbox input:checked + .terms-box {
  background: var(--accent-color);
  border-color: var(--accent-color);
}

.captcha-checkbox input:checked + .captcha-box::after,
.terms-checkbox input:checked + .terms-box::after {
  content: "✓";
  position: absolute;
  color: var(--bg-color);
  font-size: 14px;
  left: 3px;
  top: -2px;
}

.captcha-text,
.terms-text {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.form__submit {
  width: 100%;
  margin-top: 20px;
  position: relative;
}

.btn-loader {
  display: none;
  width: 20px;
  height: 20px;
  border: 2px solid var(--bg-color);
  border-top: 2px solid transparent;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  position: absolute;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* Success State */
.form-message {
  display: none;
  text-align: center;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80%;
}

.form-message.success i {
  width: 60px;
  height: 60px;
  color: var(--accent-color);
  margin-bottom: 20px;
}

/* Mobile Contact */
@media (max-width: 992px) {
  .contact__bento {
    grid-template-columns: 1fr;
  }
  .contact__info-card,
  .contact__form-card {
    padding: 40px;
  }
}

/* Cookie Popup */
.cookie-popup {
  position: fixed;
  bottom: -100px;
  left: 20px;
  right: 20px;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  padding: 20px;
  z-index: 2000;
  transition: 0.5s cubic-bezier(0.23, 1, 0.32, 1);
  max-width: 500px;
}

.cookie-popup.show {
  bottom: 20px;
}

.cookie-popup__content {
  display: flex;
  align-items: center;
  gap: 20px;
}

.cookie-popup p {
  font-size: 0.8rem;
  color: var(--text-secondary);
}
.cookie-popup a {
  color: var(--accent-color);
  text-decoration: underline;
}

/* Policy Pages Styles */
.pages {
  padding: 160px 0 100px;
}
.pages h1 {
  font-size: 3rem;
  margin-bottom: 40px;
  color: var(--accent-color);
}
.pages h2 {
  font-size: 1.8rem;
  margin-top: 40px;
  margin-bottom: 20px;
}
.pages p {
  color: var(--text-secondary);
  margin-bottom: 20px;
  line-height: 1.8;
}
.pages ul {
  margin-bottom: 20px;
  padding-left: 20px;
}
.pages li {
  color: var(--text-secondary);
  margin-bottom: 10px;
  list-style: square;
}
.pages strong {
  color: var(--text-primary);
}

/* Валидация */
.form__group {
  position: relative;
  margin-bottom: 5px;
}

.form__input.invalid {
  border-color: #ff4444 !important;
  background: rgba(255, 68, 68, 0.05) !important;
}

.form__error-msg {
  display: none;
  color: #ff4444;
  font-size: 0.7rem;
  font-family: var(--font-mono);
  margin-top: 5px;
  padding-left: 5px;
}

.form__input.invalid + .form__error-msg {
  display: block;
}