:root {
  --color-bg: #0a0a0c;
  --color-surface: #141417;
  --color-primary: #00f3ff;
  --color-text: #e0e0e0;
  --color-text-dim: #94a3b8;
  --color-border: rgba(255, 255, 255, 0.08);
  --font-main: "Space Grotesk", sans-serif;
  --font-mono: "JetBrains Mono", monospace;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-main);
  line-height: 1.6;
  overflow-x: hidden;
  /* Техническая сетка на фоне */
  background-image:
    linear-gradient(var(--color-border) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-border) 1px, transparent 1px);
  background-size: 50px 50px;
}

.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

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

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

.header__logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--color-text);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.header__logo-img {
  width: 32px;
  height: 32px;
}

.header__menu {
  display: flex;
  list-style: none;
  gap: 32px;
  align-items: center;
}

.header__link {
  text-decoration: none;
  color: var(--color-text-dim);
  font-size: 0.9rem;
  font-family: var(--font-mono);
  text-transform: uppercase;
  transition: var(--transition);
}

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

.header__cta {
  text-decoration: none;
  background: transparent;
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
  padding: 8px 20px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

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

.header__burger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 5px;
}

/* --- FOOTER --- */
.footer {
  padding: 80px 0 40px;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  margin-top: 100px;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  margin-bottom: 60px;
}

.footer__title {
  font-family: var(--font-mono);
  color: var(--color-primary);
  margin-bottom: 24px;
  font-size: 0.9rem;
  text-transform: uppercase;
}

.footer__list {
  list-style: none;
}

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

.footer__list a {
  color: var(--color-text-dim);
  text-decoration: none;
  font-size: 0.95rem;
  transition: var(--transition);
}

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

.footer__contact-info {
  list-style: none;
  color: var(--color-text-dim);
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.footer__contact-info li {
  margin-bottom: 10px;
}

.footer__bottom {
  border-top: 1px solid var(--color-border);
  padding-top: 30px;
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--color-text-dim);
  font-family: var(--font-mono);
}

.footer__status {
  color: #00ff41;
  margin-left: 15px;
}

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

@media (max-width: 768px) {
  .header__nav {
    display: none;
  }
  .header__burger {
    display: block;
  }
  .footer__grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

/* --- BENTO GRID SYSTEM --- */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(2, minmax(200px, auto));
  gap: 20px;
  padding: 60px 0;
}

.bento-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 30px;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  transition: var(--transition);
}

.bento-item:hover {
  border-color: var(--color-primary);
}

.bento-item--main {
  grid-column: span 3;
  grid-row: span 2;
  min-height: 500px;
  background: #000;
  justify-content: center;
}

.bento-item--info {
  grid-column: span 1;
  background: linear-gradient(135deg, #141417 0%, #1a1a2e 100%);
}

.bento-item--accent {
  grid-column: span 1;
  border-left: 4px solid var(--color-primary);
}

/* Hero Elements */
#hero-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0.3;
}

.bento-content {
  position: relative;
  z-index: 2;
}

.badge {
  font-family: var(--font-mono);
  color: var(--color-primary);
  font-size: 0.75rem;
  border: 1px solid var(--color-primary);
  padding: 4px 12px;
  display: inline-block;
  margin-bottom: 20px;
  text-transform: uppercase;
}

.hero__title {
  font-size: clamp(2.5rem, 8vw, 4.5rem);
  line-height: 1;
  font-weight: 700;
  margin-bottom: 24px;
  letter-spacing: -0.04em;
}

.hero__subtitle {
  font-size: 1.1rem;
  color: var(--color-text-dim);
  max-width: 600px;
  margin-bottom: 40px;
}

.btn {
  padding: 16px 32px;
  font-family: var(--font-mono);
  text-transform: uppercase;
  text-decoration: none;
  display: inline-block;
  font-size: 0.9rem;
  transition: var(--transition);
  cursor: pointer;
}

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

.btn--outline {
  border: 1px solid var(--color-border);
  color: var(--color-text);
  margin-left: 15px;
}

.btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(0, 243, 255, 0.2);
}

.bento-item i {
  color: var(--color-primary);
  margin-bottom: 20px;
}

.bento-item h3 {
  font-size: 1.2rem;
  margin-bottom: 12px;
}

.bento-item p {
  font-size: 0.9rem;
  color: var(--color-text-dim);
}

@media (max-width: 992px) {
  .bento-grid {
    grid-template-columns: 1fr 1fr;
  }
  .bento-item--main {
    grid-column: span 2;
  }
}

/* --- SOLUTIONS SECTION --- */
.solutions {
  padding: 100px 0;
  border-top: 1px solid var(--color-border);
}

.section-header {
  margin-bottom: 50px;
}

.section-title {
  font-size: 3.5rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 10px;
}

.section-tagline {
  font-family: var(--font-mono);
  color: var(--color-primary);
  font-size: 0.9rem;
  text-transform: uppercase;
}

.bento-grid--solutions {
  grid-template-rows: repeat(2, minmax(280px, auto));
}

.bento-item--wide {
  grid-column: span 2;
}

.solution-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 40px;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: flex-start;
  position: relative;
}

.solution-card__status {
  position: absolute;
  top: 20px;
  right: 20px;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  padding: 2px 8px;
  border: 1px solid var(--color-border);
  color: var(--color-text-dim);
}

.solution-card__status--active {
  color: var(--color-primary);
  border-color: var(--color-primary);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% {
    opacity: 1;
  }
  50% {
    opacity: 0.4;
  }
  100% {
    opacity: 1;
  }
}

.solution-card__icon {
  width: 40px;
  height: 40px;
  color: var(--color-primary);
  margin-bottom: 30px;
}

.solution-card__title {
  font-size: 1.5rem;
  margin-bottom: 15px;
  font-weight: 600;
}

.solution-card__text {
  color: var(--color-text-dim);
  font-size: 0.95rem;
  margin-bottom: 25px;
  max-width: 90%;
}

.solution-card__link {
  margin-top: auto;
  text-decoration: none;
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
}

.solution-card__link:hover {
  color: var(--color-primary);
  gap: 12px;
}

.solution-card--featured {
  background: linear-gradient(to bottom right, #141417, #0a0a0c);
  border-color: rgba(0, 243, 255, 0.3);
}

.tech-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  background: rgba(0, 243, 255, 0.1);
  color: var(--color-primary);
  padding: 4px 10px;
  margin-right: 10px;
  border-radius: 2px;
}

.solution-card__meta {
  margin-bottom: 30px;
}

/* Adaptive for Solutions */
@media (max-width: 992px) {
  .bento-item--wide {
    grid-column: span 1;
  }
  .bento-grid--solutions {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 600px) {
  .bento-grid--solutions {
    grid-template-columns: 1fr;
  }
  .section-title {
    font-size: 2.5rem;
  }
}

/* --- ARCHITECTURE SECTION --- */
.architecture {
  padding: 100px 0;
  background: linear-gradient(to bottom, var(--color-bg), #0f172a);
  position: relative;
  overflow: hidden;
}

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

.architecture__description {
  color: var(--color-text-dim);
  margin: 30px 0;
  font-size: 1.1rem;
  line-height: 1.8;
}

.architecture__list {
  list-style: none;
  margin-bottom: 40px;
}

.architecture__list li {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-bottom: 15px;
  font-family: var(--font-mono);
  font-size: 0.9rem;
}

.architecture__list i {
  color: var(--color-primary);
  width: 20px;
}

/* Визуализация схемы */
.architecture__visual {
  position: relative;
  padding: 40px;
  border: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.02);
}

.tech-diagram {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.tech-node {
  text-align: center;
  width: 100%;
  max-width: 300px;
}

.tech-node__label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-primary);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 2px;
}

.tech-node__box {
  border: 1px solid var(--color-primary);
  padding: 15px;
  background: rgba(0, 243, 255, 0.05);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  position: relative;
}

.tech-node__box::before,
.tech-node__box::after {
  content: "+";
  position: absolute;
  color: var(--color-primary);
  font-size: 14px;
}
.tech-node__box::before {
  top: -10px;
  left: -5px;
}
.tech-node__box::after {
  bottom: -10px;
  right: -5px;
}

.tech-connector {
  width: 1px;
  height: 40px;
  background: var(--color-primary);
  position: relative;
}

.tech-connector::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: -4px;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 8px solid var(--color-primary);
}

.tech-grid-nodes {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  width: 100%;
}

.tech-node--small {
  border: 1px solid var(--color-border);
  padding: 10px;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  background: var(--color-surface);
}

@media (max-width: 992px) {
  .architecture__wrapper {
    grid-template-columns: 1fr;
    gap: 60px;
  }
  .architecture__info {
    order: 2;
  }
  .architecture__visual {
    order: 1;
  }
}

/* --- WORKFLOW SECTION --- */
.workflow {
  padding: 100px 0;
  border-top: 1px solid var(--color-border);
  position: relative;
}

.workflow__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
  margin-top: 60px;
}

.workflow__step {
  position: relative;
}

.workflow__number {
  font-family: var(--font-mono);
  font-size: 3rem;
  font-weight: 700;
  color: transparent;
  -webkit-text-stroke: 1px var(--color-primary);
  line-height: 1;
  margin-bottom: 20px;
  opacity: 0.5;
}

.workflow__line {
  height: 1px;
  width: 100%;
  background: var(--color-border);
  margin-bottom: 30px;
  position: relative;
}

.workflow__line::after {
  content: "";
  position: absolute;
  width: 8px;
  height: 8px;
  background: var(--color-primary);
  border-radius: 50%;
  top: -4px;
  left: 0;
}

.workflow__step-title {
  font-size: 1.4rem;
  margin-bottom: 15px;
}

.workflow__step-text {
  color: var(--color-text-dim);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 20px;
}

.workflow__status-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
  padding: 2px 10px;
  background: rgba(0, 243, 255, 0.05);
}

.workflow__cta {
  margin-top: 80px;
  padding: 40px;
  background: var(--color-surface);
  border: 1px solid var(--color-primary);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}

.workflow__cta p {
  font-family: var(--font-mono);
  max-width: 500px;
}

@media (max-width: 768px) {
  .workflow__cta {
    flex-direction: column;
    text-align: center;
  }
}

/* --- BLOG SECTION --- */
.blog {
  padding: 100px 0;
  border-top: 1px solid var(--color-border);
}

.bento-grid--blog {
  grid-template-rows: repeat(2, minmax(200px, auto));
}

.blog-card {
  background: var(--color-surface);
  display: flex;
  flex-direction: column;
  padding: 30px;
  border: 1px solid var(--color-border);
}

.blog-card--featured {
  grid-column: span 2;
  grid-row: span 2;
  background: linear-gradient(135deg, #141417 0%, #0a0a0c 100%);
  border-color: rgba(0, 243, 255, 0.2);
}

.blog-card__date {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-primary);
  margin-bottom: 20px;
}

.blog-card__title {
  font-size: 1.8rem;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.blog-card--featured .blog-card__title {
  font-size: 2.2rem;
}

.blog-card__excerpt {
  color: var(--color-text-dim);
  font-size: 0.95rem;
  margin-bottom: 30px;
}

.blog-card__footer {
  margin-top: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.blog-card__tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-text-dim);
}

.blog-card__more {
  text-decoration: none;
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  display: flex;
  align-items: center;
  gap: 5px;
  transition: var(--transition);
}

.blog-card__more:hover {
  color: var(--color-primary);
}

.blog__all-posts {
  margin-top: 40px;
  display: flex;
  align-items: center;
  gap: 10px;
  justify-content: center;
}

.blog__status-dot {
  width: 8px;
  height: 8px;
  background: var(--color-primary);
  border-radius: 50%;
  animation: blink 1s infinite;
}

.blog__link-all {
  color: var(--color-text);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  border-bottom: 1px dashed var(--color-primary);
}

@keyframes blink {
  50% {
    opacity: 0;
  }
}

@media (max-width: 992px) {
  .blog-card--featured {
    grid-column: span 1;
    grid-row: span 1;
  }
}

/* --- CONTACT SECTION --- */
.contact {
  padding: 100px 0;
  border-top: 1px solid var(--color-border);
}
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}
.contact__text {
  color: var(--color-text-dim);
  margin: 30px 0;
  font-size: 1.1rem;
}

.contact__meta {
  display: flex;
  gap: 30px;
  margin-top: 40px;
}
.contact__meta-item span {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-primary);
}
.contact__meta-item strong {
  font-family: var(--font-mono);
  font-size: 1rem;
}

.contact__form {
  background: var(--color-surface);
  padding: 40px;
  border: 1px solid var(--color-border);
  position: relative;
}
.form__group {
  margin-bottom: 20px;
}
.form__input {
  width: 100%;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--color-border);
  padding: 15px;
  color: #white;
  font-family: var(--font-mono);
  outline: none;
  transition: var(--transition);
}
.form__input:focus {
  border-color: var(--color-primary);
  background: rgba(0, 243, 255, 0.05);
}

/* Custom Captcha */
.form__captcha {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #000;
  padding: 15px;
  border: 1px solid var(--color-border);
  margin-bottom: 20px;
}
.captcha__container {
  display: flex;
  align-items: center;
  cursor: pointer;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
}
.captcha__icon {
  width: 30px;
  opacity: 0.5;
}

.form__privacy {
  margin-bottom: 30px;
  font-size: 0.8rem;
  color: var(--color-text-dim);
}
.privacy__container {
  display: flex;
  gap: 10px;
  cursor: pointer;
}

.btn--full {
  width: 100%;
  text-align: center;
}
.form__message--success {
  margin-top: 20px;
  padding: 15px;
  border: 1px solid #00ff41;
  color: #00ff41;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 10px;
}

/* --- COOKIE POPUP --- */
.cookie-popup {
  position: fixed;
  bottom: 30px;
  left: 30px;
  right: 30px;
  max-width: 500px;
  background: var(--color-surface);
  border: 1px solid var(--color-primary);
  padding: 20px;
  z-index: 2000;
  display: none;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}
.cookie-popup__content p {
  font-size: 0.85rem;
  margin-bottom: 15px;
}
.btn--small {
  padding: 8px 15px;
  font-size: 0.75rem;
}

/* --- POLICY PAGES STYLES (Этап 5) --- */
.pages {
  padding: 120px 0;
}
.pages h1 {
  font-size: 3rem;
  margin-bottom: 40px;
  color: var(--color-primary);
}
.pages h2 {
  font-size: 1.8rem;
  margin-top: 40px;
  margin-bottom: 20px;
  border-left: 3px solid var(--color-primary);
  padding-left: 15px;
}
.pages p {
  margin-bottom: 20px;
  color: var(--color-text-dim);
  line-height: 1.8;
}
.pages ul {
  margin-bottom: 20px;
  list-style: none;
}
.pages li {
  margin-bottom: 10px;
  color: var(--color-text-dim);
}
.pages li strong {
  color: var(--color-text);
}
.pages a {
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}
.pages a:hover {
  border-bottom-color: var(--color-primary);
}

/* Состояния валидации */
.form__input--error {
  border-color: #ff4e4e !important;
  background: rgba(255, 78, 78, 0.05) !important;
  box-shadow: 0 0 10px rgba(255, 78, 78, 0.2);
}

.form__input--valid {
  border-color: #00ff41 !important;
}

/* Анимация тряски при ошибке */
@keyframes shake {
  0%,
  100% {
    transform: translateX(0);
  }
  25% {
    transform: translateX(-5px);
  }
  75% {
    transform: translateX(5px);
  }
}

.form__input--error {
  animation: shake 0.2s ease-in-out 0s 2;
}