/* --- Global Styles & Vars --- */
:root {
  --bg-color: #08080a;
  --surface-color: #111114;
  --accent-color: #00f2ff;
  --accent-glow: rgba(0, 242, 255, 0.3);
  --text-primary: #e0e0e6;
  --text-secondary: #888891;
  --border-color: #222226;
  --font-main: "Space Grotesk", sans-serif;
  --font-mono: "JetBrains Mono", monospace;
  --container-width: 1200px;
  --bento-gap: 20px;
}

* {
  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: var(--container-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* Эстетика сетки на фоне */
.hud-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
    linear-gradient(var(--border-color) 1px, transparent 1px),
    linear-gradient(90deg, var(--border-color) 1px, transparent 1px);
  background-size: 50px 50px;
  pointer-events: none;
  opacity: 0.1;
  z-index: -1;
}

/* --- Header --- */
.header {
  background: rgba(8, 8, 10, 0.8);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header__container {
  height: 80px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.header__logo-img {
  width: 40px;
  height: 40px;
}

.header__logo-text {
  font-size: 1.2rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--accent-color);
  font-family: var(--font-mono);
}

.header__nav {
  display: flex;
}

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

.header__link {
  text-decoration: none;
  color: var(--text-primary);
  font-size: 0.9rem;
  font-weight: 500;
  text-transform: uppercase;
  transition: all 0.3s ease;
  position: relative;
}

.header__link::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent-color);
  transition: width 0.3s ease;
}

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

.header__link:hover::after {
  width: 100%;
}

.header__link--cta {
  border: 1px solid var(--accent-color);
  padding: 10px 20px;
  border-radius: 0;
  background: transparent;
  box-shadow: 0 0 10px var(--accent-glow);
}

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

.header__burger {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
}

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

.footer::before {
  content: "+";
  position: absolute;
  top: -10px;
  left: 50%;
  color: var(--accent-color);
  font-family: var(--font-mono);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  margin-bottom: 60px;
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
}

.footer__logo-img {
  width: 35px;
}

.footer__logo-text {
  font-size: 1.1rem;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--accent-color);
}

.footer__tagline {
  color: var(--text-secondary);
  font-size: 0.9rem;
  max-width: 250px;
}

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

.footer__list {
  list-style: none;
}

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

.footer__list a {
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: color 0.3s ease;
}

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

.footer__contact-list {
  list-style: none;
}

.footer__contact-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 15px;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.footer__icon {
  width: 18px;
  height: 18px;
  color: var(--accent-color);
}

.footer__notice {
  margin-top: 20px;
  font-size: 0.75rem;
  color: #f44336;
  font-family: var(--font-mono);
  border: 1px solid rgba(244, 67, 54, 0.3);
  padding: 5px 10px;
  display: inline-block;
}

.footer__bottom {
  padding-top: 40px;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-family: var(--font-mono);
}

.footer__tech-code {
  margin-left: 10px;
  opacity: 0.5;
}

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

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

/* --- Hero & Bento Grid --- */
.hero {
  padding: 60px 0;
  min-height: 80vh;
  display: flex;
  align-items: center;
}

.hero__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(2, auto);
  gap: var(--bento-gap);
}

.hero__block {
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  padding: 30px;
  position: relative;
  overflow: hidden;
  transition: border-color 0.3s ease;
}

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

/* Головний модуль */
.hero__block--main {
  grid-column: span 3;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

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

.hero__title {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  line-height: 1.1;
  font-weight: 700;
  margin-bottom: 25px;
  text-transform: uppercase;
}

.hero__title span {
  color: var(--accent-color);
  -webkit-text-stroke: 1px var(--accent-color);
  -webkit-text-fill-color: transparent;
}

.hero__text {
  max-width: 600px;
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin-bottom: 35px;
}

/* Візуалізація (Canvas) */
.hero__block--viz {
  grid-column: span 1;
  grid-row: span 1;
  padding: 0;
  background: #000;
  min-height: 300px;
}

#heroCanvas {
  width: 100%;
  height: 100%;
  display: block;
}

.hero__viz-overlay {
  position: absolute;
  bottom: 15px;
  left: 15px;
  right: 15px;
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--accent-color);
  text-transform: uppercase;
}

/* Статистика та Фічі */
.hero__block--stat {
  grid-column: span 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.hero__stat-num {
  font-size: 3rem;
  font-weight: 700;
  color: var(--accent-color);
  font-family: var(--font-mono);
}

.hero__block--feature {
  grid-column: span 2;
}

.hero__feature-icon {
  color: var(--accent-color);
  margin-bottom: 15px;
}

.hero__feature-title {
  margin-bottom: 10px;
}

.hero__block--cta {
  grid-column: span 1;
  background: var(--accent-color);
  color: var(--bg-color);
}

.hero__cta-text {
  font-weight: 700;
  margin-bottom: 20px;
}

.hero__cta-link {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--bg-color);
  font-family: var(--font-mono);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.8rem;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 15px 30px;
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-transform: uppercase;
  font-weight: 700;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
}

.btn--primary {
  background: var(--accent-color);
  color: var(--bg-color);
  margin-right: 15px;
}

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

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

/* Адаптивність */
@media (max-width: 992px) {
  .hero__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .hero__block--main {
    grid-column: span 2;
  }
}

@media (max-width: 576px) {
  .hero__grid {
    grid-template-columns: 1fr;
  }
  .hero__block--main,
  .hero__block--viz,
  .hero__block--stat,
  .hero__block--feature,
  .hero__block--cta {
    grid-column: span 1;
  }
}

/* --- Shared Section Header --- */
.section-header {
  margin-bottom: 60px;
}

.section-header--right {
  text-align: right;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

.section-header__tag {
  font-family: var(--font-mono);
  color: var(--accent-color);
  font-size: 0.8rem;
  display: block;
  margin-bottom: 15px;
}

.section-header__title {
  font-size: clamp(2rem, 4vw, 3rem);
  text-transform: uppercase;
  line-height: 1.1;
}

/* --- Capabilities Bento --- */
.capabilities {
  padding: 100px 0;
  background: var(--bg-color);
}

.capabilities__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--bento-gap);
}

.capabilities__item {
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  padding: 40px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  position: relative;
  transition: transform 0.3s ease;
}

.capabilities__item--wide {
  grid-column: span 2;
  flex-direction: row;
  align-items: center;
}

.capabilities__item--accent {
  background: var(--accent-color);
  color: var(--bg-color);
  border: none;
}

.capabilities__item--accent .capabilities__name {
  color: var(--bg-color);
}

.capabilities__item--accent .capabilities__desc {
  color: rgba(0, 0, 0, 0.7);
}

.capabilities__icon {
  color: var(--accent-color);
  width: 32px;
  height: 32px;
}

.capabilities__item--accent .capabilities__icon {
  color: var(--bg-color);
}

.capabilities__name {
  font-size: 1.5rem;
  text-transform: uppercase;
  font-weight: 700;
}

.capabilities__desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

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

/* --- Cases Section --- */
.cases {
  padding: 100px 0;
  background: var(--surface-color);
}

.cases__list {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.cases__card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: var(--bg-color);
  border: 1px solid var(--border-color);
  min-height: 400px;
}

.cases__card--reverse {
  direction: rtl;
}

.cases__card--reverse .cases__info {
  direction: ltr;
}

.cases__info {
  padding: 60px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.cases__meta {
  font-family: var(--font-mono);
  color: var(--accent-color);
  font-size: 0.8rem;
  margin-bottom: 20px;
}

.cases__heading {
  font-size: 2rem;
  margin-bottom: 20px;
  text-transform: uppercase;
}

.cases__text {
  color: var(--text-secondary);
  line-height: 1.8;
}

.cases__image-wrapper {
  background: #1a1a1e;
  overflow: hidden;
  position: relative;
}

.cases__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.6;
  transition: transform 0.5s ease;
}

.cases__card:hover .cases__img {
  transform: scale(1.05);
  opacity: 0.9;
}

/* --- Responsiveness --- */
@media (max-width: 992px) {
  .capabilities__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .capabilities__item--wide {
    grid-column: span 2;
  }
  .cases__card {
    grid-template-columns: 1fr;
  }
  .cases__card--reverse {
    direction: ltr;
  }
  .cases__info {
    padding: 40px;
  }
}

@media (max-width: 768px) {
  .capabilities__grid {
    grid-template-columns: 1fr;
  }
  .capabilities__item--wide {
    grid-column: span 1;
    flex-direction: column;
    align-items: flex-start;
  }
}

/* --- Education Section --- */
.education {
  padding: 100px 0;
}

.education__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--bento-gap);
}

.education__step {
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  padding: 50px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 300px;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.education__step:hover {
  transform: translateY(-10px);
  border-color: var(--accent-color);
}

.education__step-num {
  font-family: var(--font-mono);
  font-size: 4rem;
  font-weight: 700;
  line-height: 1;
  color: rgba(255, 255, 255, 0.05);
  position: absolute;
  top: 20px;
  right: 30px;
}

.education__step-title {
  font-size: 1.8rem;
  margin-bottom: 20px;
  text-transform: uppercase;
  color: var(--accent-color);
}

.education__step-text {
  color: var(--text-secondary);
  font-size: 1rem;
  max-width: 80%;
}

.education__step-icon {
  margin-top: 30px;
  color: var(--accent-color);
  opacity: 0.5;
}

.education__cta-block {
  grid-column: span 2;
  background: linear-gradient(90deg, var(--accent-color), #00a2ff);
  padding: 60px;
  text-align: center;
  color: var(--bg-color);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.education__cta-title {
  font-size: 2.5rem;
  text-transform: uppercase;
}

/* --- FAQ Section --- */
.faq {
  padding: 100px 0;
  background: var(--bg-color);
}

.faq__grid {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.faq__item {
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

.faq__item[open] {
  border-color: var(--accent-color);
}

.faq__question {
  padding: 25px 40px;
  font-size: 1.2rem;
  font-weight: 500;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  text-transform: uppercase;
  font-family: var(--font-mono);
}

.faq__question::-webkit-details-marker {
  display: none;
}

.faq__chevron {
  width: 20px;
  transition: transform 0.3s ease;
  color: var(--accent-color);
}

.faq__item[open] .faq__chevron {
  transform: rotate(180deg);
}

.faq__answer {
  padding: 0 40px 30px;
  color: var(--text-secondary);
  line-height: 1.6;
  border-top: 1px solid transparent;
}

.faq__item[open] .faq__answer {
  border-top-color: var(--border-color);
}

/* --- Responsiveness --- */
@media (max-width: 992px) {
  .education__grid {
    grid-template-columns: 1fr;
  }
  .education__cta-block {
    grid-column: span 1;
    padding: 40px 20px;
  }
  .education__step {
    padding: 40px 30px;
  }
}

/* --- Contact Form Styles --- */
.contact {
  padding: 100px 0;
  background: var(--bg-color);
}
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.contact__form-container {
  background: var(--surface-color);
  padding: 50px;
  border: 1px solid var(--border-color);
  position: relative;
}
.form__group {
  margin-bottom: 20px;
  position: relative;
}
.form__input {
  width: 100%;
  background: var(--bg-color);
  border: 1px solid var(--border-color);
  padding: 15px;
  color: var(--text-primary);
  font-family: var(--font-mono);
  outline: none;
}
.form__input:focus {
  border-color: var(--accent-color);
  box-shadow: 0 0 10px var(--accent-glow);
}
.form__error {
  color: #ff4d4d;
  font-size: 0.7rem;
  font-family: var(--font-mono);
  display: none;
  margin-top: 5px;
}

/* Captcha & Policy */
.form__captcha,
.form__policy {
  margin-bottom: 20px;
}
.captcha__label,
.policy__label {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  cursor: pointer;
  font-size: 0.85rem;
  color: var(--text-secondary);
}
.captcha__checkbox {
  display: none;
}
.captcha__checkmark {
  width: 20px;
  height: 20px;
  border: 1px solid var(--accent-color);
  position: relative;
  flex-shrink: 0;
}
.captcha__checkbox:checked + .captcha__checkmark::after {
  content: "✓";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: var(--accent-color);
}
.contact__success {
  position: absolute;
  inset: 0;
  background: var(--surface-color);
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 40px;
  z-index: 10;
}
.success__icon {
  color: var(--accent-color);
  width: 60px;
  height: 60px;
  margin-bottom: 20px;
}

/* Cookie Pop-up */
/* --- Фикс Cookie Pop-up --- */
.cookie-popup {
  position: fixed;
  bottom: 30px;
  left: 30px;
  right: 30px; /* Для мобильных */
  max-width: 400px;
  background: var(--surface-color);
  border: 1px solid var(--accent-color);
  padding: 20px;
  z-index: 10000;
  box-shadow:
    0 10px 40px rgba(0, 0, 0, 0.8),
    0 0 15px var(--accent-glow);
  display: none; /* Скрыто по умолчанию, JS включит */
  transform: translateY(20px);
  transition:
    transform 0.4s ease,
    opacity 0.4s ease;
  opacity: 0;
}

.cookie-popup--visible {
  display: block;
  transform: translateY(0);
  opacity: 1;
}

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

.cookie-popup__icon {
  color: var(--accent-color);
  flex-shrink: 0;
}

.cookie-popup__text {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 12px;
  line-height: 1.4;
}

.cookie-popup__text a {
  color: var(--accent-color);
  text-decoration: underline;
}

.btn--sm {
  padding: 8px 20px;
  font-size: 0.75rem;
}

@media (max-width: 576px) {
  .cookie-popup {
    bottom: 15px;
    left: 15px;
    right: 15px;
  }
}

/* Pages Styling (Privacy, Terms etc) */
.pages {
  padding: 120px 0;
}
.pages h1 {
  font-size: 3rem;
  margin-bottom: 40px;
  color: var(--accent-color);
}
.pages h2 {
  margin: 30px 0 20px;
  font-size: 1.5rem;
}
.pages p {
  margin-bottom: 15px;
  color: var(--text-secondary);
}
.pages ul {
  margin-bottom: 20px;
  padding-left: 20px;
}
.pages li {
  margin-bottom: 10px;
  color: var(--text-secondary);
}