/* --- Глобальные переменные и сброс --- */
:root {
  --bg-color: #0d0e12;
  --card-bg: #16181d;
  --accent-color: #00f2ff;
  --accent-glow: rgba(0, 242, 255, 0.3);
  --text-primary: #e0e6ed;
  --text-secondary: #94a3b8;
  --border-color: #2d333d;
  --font-main: "Inter", 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;
  font-size: 16px;
}

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

/* Эстетика сетки на фоне */
body.tech-layout {
  background-image:
    linear-gradient(var(--border-color) 1px, transparent 1px),
    linear-gradient(90deg, var(--border-color) 1px, transparent 1px);
  background-size: 50px 50px;
  background-attachment: fixed;
}

body.tech-layout::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(
    circle at 50% 50%,
    transparent 0%,
    var(--bg-color) 80%
  );
  pointer-events: none;
  z-index: -1;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

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

ul {
  list-style: none;
}

/* --- Кнопки --- */
.btn {
  display: inline-flex;
  align-items: center;
  padding: 12px 24px;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

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

.btn--outline:hover {
  background: var(--accent-color);
  color: var(--bg-color);
  box-shadow: 0 0 20px var(--accent-glow);
  transform: translateY(-2px);
}

/* --- Хедер --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(13, 14, 18, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
}

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

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

.logo__text {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.5px;
  color: #fff;
}

.header__menu {
  display: flex;
  gap: 32px;
}

.header__link {
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 500;
}

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

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

/* Бургер */
.burger {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.burger__line {
  width: 24px;
  height: 2px;
  background-color: var(--accent-color);
  transition: var(--transition);
}

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

.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 60px;
}

.footer__tagline {
  margin-top: 20px;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.footer__title {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-transform: uppercase;
  color: var(--accent-color);
  margin-bottom: 24px;
  letter-spacing: 2px;
}

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

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

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

.footer__contact-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 16px;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.footer__icon {
  width: 18px;
  height: 18px;
  color: var(--accent-color);
  flex-shrink: 0;
}

.footer__bottom {
  padding-top: 40px;
  border-top: 1px solid var(--border-color);
  text-align: center;
}

.footer__copyright {
  font-size: 0.8rem;
  color: var(--text-secondary);
  font-family: var(--font-mono);
}

/* --- Адаптивність --- */
@media (max-width: 992px) {
  .footer__grid {
    grid-template-columns: 1fr 1fr;
  }
  .header__nav {
    display: none; /* Буде реализовано через JS в мобильном меню */
  }
  .burger {
    display: flex;
  }
  .header__cta {
    display: none;
  }
}

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

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

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

/* Базовый стиль блока Bento */
.hero__block {
  background: rgba(22, 24, 29, 0.7);
  border: 1px solid var(--border-color);
  padding: 32px;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(5px);
}

.hero__block::before {
  content: "+";
  position: absolute;
  top: 5px;
  left: 5px;
  font-family: var(--font-mono);
  color: var(--border-color);
  font-size: 12px;
}

/* Главный блок */
.hero__block--main {
  grid-column: span 2;
  grid-row: span 2;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hero__tag {
  font-family: var(--font-mono);
  color: var(--accent-color);
  font-size: 0.8rem;
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 2px;
}

.hero__title {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  line-height: 1.1;
  font-weight: 800;
  margin-bottom: 24px;
}

.text-glow {
  color: var(--accent-color);
  text-shadow: 0 0 15px var(--accent-glow);
}

.hero__description {
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 480px;
  margin-bottom: 32px;
}

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

/* Блок с кодом */
.hero__block--code {
  grid-column: span 2;
  padding: 0;
  background: #000;
}

.code-window__header {
  background: #1a1c23;
  padding: 10px 15px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid var(--border-color);
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #3d424d;
}

.code-window__title {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-secondary);
  margin-left: 10px;
}

.code-window__body {
  padding: 20px;
  font-family: var(--font-mono);
  font-size: 14px;
  color: #00f2ff;
  line-height: 1.5;
  height: 200px;
  overflow: hidden;
}

/* Блоки статистики и доверия */
.hero__block--stats {
  grid-column: span 1;
  display: flex;
  flex-direction: column;
  justify-content: space-around;
}

.stat-item__value {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  color: #fff;
}

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

.hero__block--trust {
  grid-column: span 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
}

.trust-info__icon {
  color: var(--accent-color);
  margin-bottom: 10px;
}

/* Кнопка Primary */
.btn--primary {
  background: var(--accent-color);
  color: var(--bg-color);
}

.btn--primary:hover {
  box-shadow: 0 0 25px var(--accent-glow);
  transform: translateY(-2px);
}

.btn--link {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.9rem;
}

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

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

@media (max-width: 600px) {
  .hero__grid {
    grid-template-columns: 1fr;
  }
  .hero__block--main,
  .hero__block--code,
  .hero__block--stats,
  .hero__block--trust {
    grid-column: span 1;
  }
}

/* --- Утилиты секций --- */
.section-padding {
  padding: 100px 0;
}

.section-header {
  margin-bottom: 60px;
  position: relative;
}

.section-header--right {
  text-align: right;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3.5rem);
  text-transform: uppercase;
  font-weight: 800;
  line-height: 1;
}

.section-subtitle {
  font-family: var(--font-mono);
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-top: 15px;
}

/* --- Courses Grid (Bento) --- */
.courses__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: 280px;
  gap: 20px;
}

.course-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  padding: 30px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition);
  position: relative;
}

.course-card:hover {
  border-color: var(--accent-color);
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.course-card--featured {
  grid-column: span 2;
  grid-row: span 2;
  background: linear-gradient(135deg, #16181d 0%, #1c1f26 100%);
  overflow: hidden;
}

.course-card--wide {
  grid-column: span 3;
  flex-direction: row;
  align-items: center;
  height: auto;
  padding: 40px;
}

.course-card__tag {
  font-family: var(--font-mono);
  background: var(--accent-color);
  color: var(--bg-color);
  padding: 4px 8px;
  font-size: 0.7rem;
  font-weight: bold;
  display: inline-block;
  margin-bottom: 20px;
}

.course-card__title {
  font-size: 1.5rem;
  margin-bottom: 15px;
}

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

.course-card__main-icon {
  width: 40px;
  height: 40px;
  color: var(--accent-color);
}

.course-card__list {
  margin-bottom: 30px;
}

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

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

.course-card__bg-icon {
  position: absolute;
  right: -20px;
  bottom: -20px;
  font-size: 150px;
  opacity: 0.05;
  color: var(--accent-color);
  transform: rotate(-15deg);
}

/* --- Mentors --- */
.mentors__list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.mentor-item {
  background: transparent;
  border-left: 1px solid var(--border-color);
  padding-left: 20px;
  transition: var(--transition);
}

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

.mentor-item__img-wrapper {
  position: relative;
  margin-bottom: 20px;
  aspect-ratio: 1/1;
  overflow: hidden;
  filter: grayscale(1);
  transition: var(--transition);
}

.mentor-item:hover .mentor-item__img-wrapper {
  filter: grayscale(0);
}

.mentor-item__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.mentor-item__social {
  position: absolute;
  top: 15px;
  right: 15px;
  background: var(--accent-color);
  color: var(--bg-color);
  padding: 8px;
  opacity: 0;
  transform: translateY(-10px);
  transition: var(--transition);
}

.mentor-item:hover .mentor-item__social {
  opacity: 1;
  transform: translateY(0);
}

.mentor-item__name {
  font-size: 1.25rem;
  margin-bottom: 5px;
}

.mentor-item__pos {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-color);
  text-transform: uppercase;
}

/* --- Адаптивність Курсів --- */
@media (max-width: 992px) {
  .courses__grid {
    grid-template-columns: 1fr 1fr;
  }
  .course-card--wide {
    grid-column: span 2;
  }
}

@media (max-width: 768px) {
  .courses__grid {
    grid-template-columns: 1fr;
    grid-auto-rows: auto;
  }
  .course-card--featured,
  .course-card--wide {
    grid-column: span 1;
  }
  .course-card--wide {
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
  }
}

/* --- Career Section --- */
.career__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.career__block {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  padding: 40px;
  position: relative;
}

.career__block--salary {
  grid-column: span 1;
  border-bottom: 4px solid var(--accent-color);
}

.career__label {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  margin-bottom: 10px;
}

.career__value {
  font-size: 3rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 10px;
}

.career__value span {
  font-size: 1rem;
  color: var(--accent-color);
}

.career__block--partners {
  grid-column: span 2;
}

.career__partners-list {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  margin-top: 25px;
}

.partner-tag {
  padding: 8px 16px;
  border: 1px solid var(--border-color);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.career__block--support {
  grid-column: span 1;
}

.career__icon {
  color: var(--accent-color);
  margin-bottom: 20px;
}

.career__block--offer {
  grid-column: span 2;
  background: linear-gradient(90deg, var(--accent-color) 0%, #00a8ff 100%);
  color: var(--bg-color);
  display: flex;
  align-items: center;
}

.career__block--offer h3 {
  font-size: 1.5rem;
  margin-bottom: 10px;
}

.career__block--offer p {
  font-size: 1rem;
  opacity: 0.9;
}

/* --- FAQ Section --- */
.section-header--center {
  text-align: center;
}

.faq__list {
  max-width: 800px;
  margin: 0 auto;
}

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

.faq__trigger {
  width: 100%;
  padding: 25px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: none;
  border: none;
  color: #fff;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
  transition: var(--transition);
}

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

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

.faq__content {
  max-height: 0;
  overflow: hidden;
  transition: all 0.4s ease-out;
}

.faq__content p {
  padding-bottom: 25px;
  color: var(--text-secondary);
  line-height: 1.8;
}

.faq__item--active .faq__content {
  max-height: 300px;
}

.faq__item--active .faq__trigger i {
  transform: rotate(45deg);
}

/* Адаптив Карьеры */
@media (max-width: 992px) {
  .career__grid {
    grid-template-columns: 1fr 1fr;
  }
  .career__block--salary,
  .career__block--partners,
  .career__block--support,
  .career__block--offer {
    grid-column: span 2;
  }
}

/* --- Contact Section --- */
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

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

.contact__methods {
  display: grid;
  gap: 30px;
}

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

.contact__method i {
  width: 48px;
  height: 48px;
  padding: 12px;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  color: var(--accent-color);
}

.contact__method span {
  display: block;
  font-size: 0.8rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  font-family: var(--font-mono);
}

.contact__method strong {
  font-size: 1.1rem;
  color: #fff;
}

/* Form Styling */
.contact__form-wrapper {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  padding: 40px;
  position: relative;
}

.form__group {
  margin-bottom: 25px;
  position: relative;
}

.form__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-color);
  margin-bottom: 10px;
  text-transform: uppercase;
}

.form__input {
  width: 100%;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-color);
  padding: 15px;
  color: #fff;
  font-family: var(--font-main);
  transition: var(--transition);
}

.form__input:focus {
  outline: none;
  border-color: var(--accent-color);
  box-shadow: 0 0 10px var(--accent-glow);
}

.form__error {
  color: #ff4b4b;
  font-size: 0.75rem;
  margin-top: 5px;
  display: none;
}

.form__input.invalid {
  border-color: #ff4b4b;
}

/* Captcha Style */
.captcha {
  background: #f9f9f9;
  padding: 15px;
  border: 1px solid #d3d3d3;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  color: #333;
}

.captcha__container {
  display: flex;
  align-items: center;
  gap: 15px;
  cursor: pointer;
}

.captcha__checkmark {
  width: 24px;
  height: 24px;
  border: 2px solid #c1c1c1;
  background: #fff;
  border-radius: 2px;
  position: relative;
}

.captcha__container input {
  display: none;
}

.captcha__container input:checked + .captcha__checkmark::after {
  content: "L";
  position: absolute;
  transform: rotate(45deg) scaleX(-1);
  left: 7px;
  top: 2px;
  font-size: 16px;
  color: #009e58;
  font-weight: bold;
}

.captcha__text {
  font-size: 14px;
  font-family: Roboto, Arial, sans-serif;
}

/* Policy Checkbox */
.form__policy {
  margin-bottom: 30px;
}

.checkbox-container {
  display: flex;
  gap: 12px;
  cursor: pointer;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.btn--full {
  width: 100%;
  justify-content: center;
  padding: 18px;
}

/* Success Message */
.form-message {
  display: none;
  margin-top: 20px;
  padding: 20px;
  background: rgba(0, 242, 255, 0.1);
  border: 1px solid var(--accent-color);
  text-align: center;
}

.form-message i {
  color: var(--accent-color);
  margin-bottom: 10px;
}

/* Адаптив */
@media (max-width: 992px) {
  .contact__grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

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

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

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

.cookie-popup p {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

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

/* --- Стили для страниц политик (privacy.php и др.) --- */
.pages {
  padding: 140px 0 80px;
}

.pages h1 {
  font-size: 2.5rem;
  margin-bottom: 30px;
  color: var(--accent-color);
}

.pages h2 {
  font-size: 1.5rem;
  margin: 40px 0 20px;
  color: #fff;
}

.pages p {
  margin-bottom: 20px;
  color: var(--text-secondary);
  line-height: 1.8;
}

.pages ul {
  margin-bottom: 25px;
  list-style: disc;
  padding-left: 20px;
}

.pages li {
  margin-bottom: 10px;
  color: var(--text-secondary);
}

.pages strong {
  color: #fff;
}

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