/* --- Глобальные настройки --- */
:root {
  --bg-color: #0a0a0c;
  --text-color: #e0e0e0;
  --accent-color: #00ff41; /* Matrix/Tech Green */
  --secondary-color: #1a1a1f;
  --border-color: #2d2d35;
  --mono-font: "JetBrains Mono", monospace;
  --main-font: "Inter", sans-serif;
  --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(--bg-color);
  color: var(--text-color);
  font-family: var(--main-font);
  line-height: 1.6;
  overflow-x: hidden;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

ul {
  list-style: none;
}

/* --- Хедер --- */
.header {
  height: 80px;
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(10, 10, 12, 0.8);
  backdrop-filter: blur(10px);
}

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

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

.logo__text {
  font-family: var(--mono-font);
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: -1px;
  color: #fff;
}

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

.nav__link {
  font-family: var(--mono-font);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  opacity: 0.7;
}

.nav__link:hover {
  opacity: 1;
  color: var(--accent-color);
}

.nav__link--btn {
  border: 1px solid var(--accent-color);
  padding: 8px 16px;
  border-radius: 4px;
  opacity: 1;
  color: var(--accent-color);
}

.nav__link--btn:hover {
  background: var(--accent-color);
  color: #000;
}

/* --- Бургер --- */
.burger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 6px;
  z-index: 1001;
}

.burger span {
  width: 25px;
  height: 2px;
  background: var(--accent-color);
  transition: var(--transition);
}

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

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

.footer__logo {
  margin-bottom: 20px;
}

.footer__description {
  opacity: 0.6;
  font-size: 0.9rem;
  max-width: 300px;
}

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

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

.footer__list a {
  opacity: 0.6;
  font-size: 0.9rem;
}

.footer__list a:hover {
  opacity: 1;
  padding-left: 5px;
}

.footer__contact-info li {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  font-size: 0.9rem;
  opacity: 0.8;
}

.footer__contact-info i {
  color: var(--accent-color);
  width: 18px;
}

.footer__bottom {
  margin-top: 60px;
  padding-top: 20px;
  border-top: 1px solid var(--border-color);
  text-align: center;
  font-size: 0.8rem;
  opacity: 0.4;
}

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

@media (max-width: 768px) {
  .burger {
    display: flex;
  }
  .nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    height: 100vh;
    background: var(--bg-color);
    padding: 100px 40px;
    transition: var(--transition);
    border-left: 1px solid var(--border-color);
  }
  .nav--active {
    right: 0;
  }
  .nav__list {
    flex-direction: column;
    align-items: flex-start;
  }
  .footer__grid {
    grid-template-columns: 1fr;
  }
}

/* --- Кнопки --- */
.btn {
  display: inline-flex;
  align-items: center;
  padding: 14px 28px;
  font-family: var(--mono-font);
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  border-radius: 4px;
  cursor: pointer;
  transition: var(--transition);
}

.btn--primary {
  background: var(--accent-color);
  color: #000;
}

.btn--primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(0, 255, 65, 0.2);
}

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

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

/* --- Hero Section --- */
.hero {
  position: relative;
  height: 100vh;
  display: flex;
  align-items: center;
  background: radial-gradient(circle at center, #1a1a1f 0%, #0a0a0c 100%);
  overflow: hidden;
}

#hero-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0.15;
}

.hero__container {
  position: relative;
  z-index: 2;
}

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

.hero__title {
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 800;
  line-height: 0.9;
  margin-bottom: 24px;
}

.hero__title span {
  color: transparent;
  -webkit-text-stroke: 1px #fff;
}

.hero__subtitle {
  max-width: 600px;
  font-size: 1.1rem;
  opacity: 0.7;
  margin-bottom: 40px;
}

/* --- Bento Grid --- */
.platform {
  padding: 100px 0;
}

.section-header {
  margin-bottom: 60px;
}
.section-title {
  font-size: 2.5rem;
  margin-bottom: 10px;
  font-family: var(--mono-font);
}
.section-desc {
  opacity: 0.6;
  max-width: 500px;
}

.bento-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(2, 250px);
  gap: 20px;
}

.bento-item {
  background: var(--secondary-color);
  border: 1px solid var(--border-color);
  padding: 30px;
  position: relative;
  transition: var(--transition);
}

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

.bento-item--main {
  grid-column: span 2;
  grid-row: span 2;
  display: flex;
  align-items: flex-end;
}
.bento-item--wide {
  grid-column: span 2;
}

.bento-content i {
  color: var(--accent-color);
  margin-bottom: 20px;
  width: 32px;
  height: 32px;
}
.bento-content h3 {
  font-family: var(--mono-font);
  margin-bottom: 15px;
}
.bento-content p {
  font-size: 0.9rem;
  opacity: 0.7;
}

.bento-link {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 20px;
  color: var(--accent-color);
  font-size: 0.8rem;
  font-weight: bold;
}

/* --- Адаптив Bento --- */
@media (max-width: 992px) {
  .bento-grid {
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: auto;
  }
  .bento-item--main {
    grid-row: span 1;
  }
}
@media (max-width: 600px) {
  .bento-grid {
    grid-template-columns: 1fr;
  }
  .bento-item--main,
  .bento-item--wide {
    grid-column: span 1;
  }
}

/* --- Секция Курсы --- */
.courses {
  padding: 100px 0;
  background: #0e0e12;
}

.tech-label {
  font-family: var(--mono-font);
  color: var(--accent-color);
  font-size: 0.8rem;
  letter-spacing: 2px;
  margin-bottom: 10px;
}

.courses__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-top: 50px;
}

.course-card {
  background: var(--bg-color);
  border: 1px solid var(--border-color);
  padding: 40px;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.course-card::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 40px;
  height: 40px;
  background: linear-gradient(225deg, var(--border-color) 50%, transparent 50%);
}

.course-card__number {
  font-family: var(--mono-font);
  font-size: 3rem;
  font-weight: 800;
  opacity: 0.1;
  margin-bottom: 20px;
}

.course-card__title {
  font-size: 1.5rem;
  margin-bottom: 20px;
  color: #fff;
}

.course-card__text {
  font-size: 0.95rem;
  opacity: 0.6;
  margin-bottom: 30px;
  flex-grow: 1;
}

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

.tag {
  font-family: var(--mono-font);
  font-size: 0.75rem;
  background: var(--secondary-color);
  padding: 4px 10px;
  border: 1px solid var(--border-color);
}

.btn-icon {
  width: 45px;
  height: 45px;
  border: 1px solid var(--accent-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-color);
}

.course-card--accent {
  border-color: var(--accent-color);
}

/* --- Экосистема --- */
.ecosystem {
  padding: 120px 0;
  border-top: 1px solid var(--border-color);
}
.ecosystem__wrapper {
  display: flex;
  align-items: center;
  gap: 80px;
}

.ecosystem__info {
  flex: 1;
}
.ecosystem__visual {
  flex: 1;
  display: flex;
  justify-content: center;
}

.ecosystem__list {
  margin: 30px 0;
}
.ecosystem__list li {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-bottom: 15px;
  font-size: 1.1rem;
}
.ecosystem__list i {
  color: var(--accent-color);
}

/* --- Визуал (Круг) --- */
.tech-circle {
  width: 300px;
  height: 300px;
  border: 1px dashed var(--border-color);
  border-radius: 50%;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: rotate 20s linear infinite;
}

.circle-inner {
  width: 200px;
  height: 200px;
  border: 2px solid var(--accent-color);
  border-radius: 50%;
  opacity: 0.3;
}

.center-icon {
  position: absolute;
  width: 60px;
  height: 60px;
  color: var(--accent-color);
  animation: pulse 2s ease-in-out infinite;
}

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

@keyframes pulse {
  0%,
  100% {
    transform: scale(1);
    opacity: 0.8;
  }
  50% {
    transform: scale(1.1);
    opacity: 1;
  }
}

/* --- Адаптив --- */
@media (max-width: 992px) {
  .courses__grid {
    grid-template-columns: 1fr 1fr;
  }
  .ecosystem__wrapper {
    flex-direction: column;
    text-align: center;
  }
  .ecosystem__list li {
    justify-content: center;
  }
}
@media (max-width: 600px) {
  .courses__grid {
    grid-template-columns: 1fr;
  }
}

/* --- Контакты --- */
.contact {
  padding: 120px 0;
  background: var(--bg-color);
}
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.status-online {
  color: var(--accent-color);
  font-weight: bold;
}
.contact__meta {
  margin-top: 30px;
  font-family: var(--mono-font);
  font-size: 0.8rem;
  opacity: 0.6;
}

.contact__form {
  background: var(--secondary-color);
  padding: 40px;
  border: 1px solid var(--border-color);
  position: relative;
}

.form-group {
  margin-bottom: 20px;
  position: relative;
}
.form-input {
  width: 100%;
  background: transparent;
  border: 1px solid var(--border-color);
  padding: 15px;
  color: #fff;
  font-family: var(--main-font);
  outline: none;
  transition: var(--transition);
}

.form-input:focus {
  border-color: var(--accent-color);
}

/* Валидация номера */
.error-msg {
  color: #ff4b4b;
  font-size: 0.75rem;
  display: none;
  margin-top: 5px;
}

/* Кастомные чекбоксы */
.form-captcha,
.form-policy {
  margin-bottom: 20px;
}
.captcha-box,
.policy-box {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
}

.captcha-custom {
  width: 24px;
  height: 24px;
  border: 2px solid var(--border-color);
  border-radius: 4px;
  position: relative;
}

input[type="checkbox"]:checked + .captcha-custom {
  background: var(--accent-color);
  border-color: var(--accent-color);
}

.captcha-text,
.policy-text {
  font-size: 0.85rem;
  opacity: 0.8;
}

.btn--full {
  width: 100%;
  justify-content: center;
}

/* Сообщение об успехе */
.form-success {
  position: absolute;
  inset: 0;
  background: var(--secondary-color);
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 40px;
  z-index: 5;
}

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

/* --- Стилізація сторінок політик (pages) --- */
.pages {
  padding: 150px 0 100px;
  line-height: 1.8;
}
.pages h1 {
  font-size: 3rem;
  margin-bottom: 40px;
  color: var(--accent-color);
  font-family: var(--mono-font);
}
.pages h2 {
  font-size: 1.8rem;
  margin-top: 40px;
  margin-bottom: 20px;
  color: #fff;
}
.pages p {
  margin-bottom: 20px;
  opacity: 0.8;
}
.pages ul {
  margin-bottom: 20px;
  padding-left: 20px;
}
.pages li {
  margin-bottom: 10px;
  opacity: 0.8;
  list-style: square;
  color: var(--accent-color);
}
.pages li strong {
  color: #fff;
}
.pages a {
  color: var(--accent-color);
  text-decoration: underline;
}

/* --- Cookie Popup --- */
.cookie-popup {
  position: fixed;
  bottom: -100%;
  left: 0;
  width: 100%;
  background: var(--secondary-color);
  border-top: 2px solid var(--accent-color);
  padding: 20px 0;
  z-index: 9999;
  transition: 0.5s ease-in-out;
}

.cookie-popup--show {
  bottom: 0;
}
.cookie-popup__content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

@media (max-width: 768px) {
  .contact__grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .cookie-popup__content {
    flex-direction: column;
    text-align: center;
    gap: 15px;
  }
}