/* --- Global Settings & Reset --- */
:root {
  --color-bg: #0a0a0c;
  --color-surface: #121216;
  --color-primary: #3b82f6;
  --color-text: #f4f4f5;
  --color-text-muted: #a1a1aa;
  --color-border: rgba(255, 255, 255, 0.1);
  --font-main: "Inter", sans-serif;
  --font-mono: "JetBrains Mono", monospace;
  --transition: all 0.3s ease;
}

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

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;
}

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

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

/* --- Header & Nav --- */
.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(--color-border);
}

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

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

.logo__text {
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: -0.5px;
  text-transform: uppercase;
}

.nav__list {
  display: flex;
  gap: 30px;
  align-items: center;
}

.nav__link {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-transform: lowercase;
  color: var(--color-text-muted);
}

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

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

.nav__link--cta:hover {
  background: var(--color-primary);
  color: white;
}

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

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

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

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

.footer__title {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--color-primary);
  margin-bottom: 20px;
  text-transform: uppercase;
}

.footer__description {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  max-width: 300px;
}

.footer__list li {
  margin-bottom: 10px;
}

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

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

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

.footer__contacts li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.footer__contacts i {
  width: 18px;
  color: var(--color-primary);
}

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

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

@media (max-width: 768px) {
  .nav {
    position: fixed;
    top: 80px;
    right: -100%;
    width: 100%;
    height: calc(100vh - 80px);
    background: var(--color-bg);
    padding: 40px;
    transition: 0.4s ease;
  }

  .nav--active {
    right: 0;
  }

  .nav__list {
    flex-direction: column;
    align-items: flex-start;
    gap: 25px;
  }

  .burger {
    display: flex;
  }

  .footer__grid {
    grid-template-columns: 1fr;
  }
}

/* --- Hero Section & Bento Grid --- */
.hero {
  padding: 120px 0 60px;
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.hero__grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  grid-template-rows: 200px 200px;
  gap: 20px;
}

.bento-box {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  position: relative;
  padding: 40px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hero__main {
  grid-row: span 2;
}

.hero__canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0.4;
  pointer-events: none;
}

/* Corners (+) */
.bento-box__corner {
  position: absolute;
  font-family: var(--font-mono);
  color: var(--color-primary);
  font-size: 18px;
  line-height: 1;
}
.bento-box__corner--tr {
  top: 10px;
  right: 10px;
}
.bento-box__corner--bl {
  bottom: 10px;
  left: 10px;
}
.bento-box__corner--br {
  bottom: 10px;
  right: 10px;
}

/* Content Styles */
.badge {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(59, 130, 246, 0.1);
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  margin-bottom: 20px;
  border-radius: 4px;
}

.hero__title {
  font-size: clamp(3rem, 8vw, 5rem);
  font-weight: 800;
  line-height: 0.9;
  margin-bottom: 25px;
  text-transform: uppercase;
}

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

.hero__subtitle {
  max-width: 500px;
  color: var(--color-text-muted);
  margin-bottom: 40px;
}

.hero__actions {
  display: flex;
  gap: 15px;
}

.btn {
  padding: 15px 30px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition);
  display: inline-block;
}

.btn--primary {
  background: var(--color-primary);
  color: white;
  border: none;
}

.btn--primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(59, 130, 246, 0.3);
}

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

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

.stats__number {
  font-size: 3rem;
  font-weight: 800;
  color: var(--color-primary);
  display: block;
  line-height: 1;
}

.stats__label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
}

.hero__mini-text {
  font-size: 0.85rem;
  margin-top: 15px;
  color: var(--color-text-muted);
}

.mono-label {
  font-family: var(--font-mono);
  color: var(--color-primary);
  font-size: 0.7rem;
  letter-spacing: 2px;
}

/* Animations */
.scanline {
  width: 100%;
  height: 1px;
  background: var(--color-primary);
  opacity: 0.3;
  position: relative;
  margin-top: 10px;
  overflow: hidden;
}

.scanline::after {
  content: "";
  display: block;
  width: 20px;
  height: 100%;
  background: #fff;
  box-shadow: 0 0 10px #fff;
  animation: scan 3s linear infinite;
}

@keyframes scan {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(500%);
  }
}

/* Responsive */
@media (max-width: 992px) {
  .hero__grid {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto;
  }
  .hero__main {
    grid-row: auto;
  }
}

/* --- Tech Section Styles --- */
.tech {
  padding: 100px 0;
  border-top: 1px solid var(--color-border);
}

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

.section-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  text-transform: uppercase;
  margin-top: 10px;
  font-weight: 800;
}

.tech__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: 280px;
  gap: 20px;
}

/* Bento layout variations */
.tech__card--large {
  grid-row: span 2;
}

.tech__card--wide {
  grid-column: span 2;
}

.tech__card {
  padding: 40px;
  transition: var(--transition);
  cursor: default;
  background: var(--color-surface);
}

.tech__card:hover {
  border-color: var(--color-primary);
  background: rgba(59, 130, 246, 0.03);
}

.tech__card:hover .tech__icon {
  transform: scale(1.1) rotate(5deg);
  color: var(--color-primary);
}

.tech__icon {
  width: 48px;
  height: 48px;
  color: var(--color-text-muted);
  margin-bottom: 25px;
  transition: var(--transition);
}

.tech__icon svg {
  width: 100%;
  height: 100%;
}

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

.tech__desc {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.5;
}

.tech__number {
  position: absolute;
  bottom: 20px;
  right: 20px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.05);
  font-weight: 800;
}

.tech__content-flex {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 20px;
  height: 100%;
}

/* Responsive Tech Grid */
@media (max-width: 992px) {
  .tech__grid {
    grid-template-columns: 1fr 1fr;
    grid-auto-rows: auto;
  }
  .tech__card--wide {
    grid-column: span 2;
  }
}

@media (max-width: 600px) {
  .tech__grid {
    grid-template-columns: 1fr;
  }
  .tech__card--large,
  .tech__card--wide {
    grid-column: auto;
    grid-row: auto;
  }
  .tech__content-flex {
    flex-direction: column;
    align-items: flex-start;
  }
}

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

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

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

.edu__step {
  padding: 40px;
  display: flex;
  flex-direction: column;
  min-height: 400px;
  transition: var(--transition);
}

.edu__step::before {
  content: attr(data-step);
  position: absolute;
  top: 20px;
  left: 20px;
  font-family: var(--font-mono);
  font-size: 4rem;
  font-weight: 800;
  color: rgba(255, 255, 255, 0.03);
  line-height: 1;
  z-index: 0;
}

.edu__line {
  position: absolute;
  top: 0;
  left: 50%;
  width: 1px;
  height: 100%;
  background: linear-gradient(
    to bottom,
    var(--color-border),
    var(--color-primary),
    var(--color-border)
  );
  opacity: 0.2;
  z-index: 0;
}

.edu__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 30px;
  position: relative;
  z-index: 1;
}

.edu__tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 2px 8px;
  background: var(--color-border);
  border-radius: 2px;
  text-transform: uppercase;
}

.edu__header i {
  color: var(--color-primary);
  width: 28px;
  height: 28px;
}

.edu__name {
  font-size: 1.6rem;
  margin-bottom: 20px;
  line-height: 1.2;
  position: relative;
  z-index: 1;
}

.edu__text {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin-bottom: auto;
  position: relative;
  z-index: 1;
}

.edu__footer {
  margin-top: 30px;
  position: relative;
  z-index: 1;
}

.edu__link {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--color-primary);
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.edu__link:hover {
  gap: 15px;
}

.edu__step--active {
  border-color: var(--color-primary);
  box-shadow: 0 0 30px rgba(59, 130, 246, 0.1);
}

.edu__info-banner {
  margin-top: 40px;
  padding: 25px;
  background: rgba(59, 130, 246, 0.05);
}

.edu__info-content {
  display: flex;
  align-items: center;
  gap: 20px;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.edu__info-content i {
  color: var(--color-primary);
  flex-shrink: 0;
}

/* Responsive */
@media (max-width: 992px) {
  .edu__grid {
    grid-template-columns: 1fr;
  }
  .edu__step {
    min-height: auto;
  }
}

/* --- Future Section Styles --- */
.future {
  padding: 100px 0;
}

.future__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  grid-template-rows: auto auto;
  gap: 20px;
}

.future__vision {
  grid-row: span 2;
  background: linear-gradient(135deg, var(--color-surface) 0%, #1a1a20 100%);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.text-outline {
  color: transparent;
  -webkit-text-stroke: 1px var(--color-primary);
}

.future__lead {
  font-size: 1.2rem;
  color: var(--color-text-muted);
  margin: 30px 0;
  max-width: 600px;
}

.future__features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 20px;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-primary);
  text-transform: uppercase;
  border-left: 1px solid var(--color-primary);
  padding-left: 15px;
}

.future__badge {
  height: 250px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  border: 2px solid var(--color-primary);
}

.badge-year {
  font-size: 4rem;
  font-weight: 800;
  line-height: 1;
  color: var(--color-primary);
}

.badge-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin: 10px 0;
}

.future__cta {
  padding: 40px;
  background: var(--color-primary);
  color: white;
}

.future__cta .future__cta-title {
  font-size: 1.8rem;
  margin-bottom: 15px;
}

.future__cta .future__cta-text {
  font-size: 0.95rem;
  margin-bottom: 25px;
  opacity: 0.9;
}

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

.grid-pattern {
  position: absolute;
  top: 0;
  right: 0;
  width: 200px;
  height: 200px;
  background-image: radial-gradient(var(--color-primary) 1px, transparent 1px);
  background-size: 20px 20px;
  opacity: 0.1;
}

/* Responsive Future */
@media (max-width: 992px) {
  .future__grid {
    grid-template-columns: 1fr;
  }
  .future__vision {
    grid-row: auto;
  }
}

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

.perspectives__grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  grid-template-rows: auto auto;
  gap: 20px;
  margin-top: 40px;
}

.perspectives__main {
  grid-row: span 2;
  padding: 50px;
}

.perspectives__subtitle {
  font-size: 1.5rem;
  margin-bottom: 35px;
  color: var(--color-primary);
  font-family: var(--font-mono);
}

.perspectives__list {
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.perspectives__item {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.perspectives__item i {
  color: var(--color-primary);
  flex-shrink: 0;
  margin-top: 5px;
}

.perspectives__item-text strong {
  display: block;
  font-size: 1.1rem;
  margin-bottom: 5px;
  color: var(--color-text);
}

.perspectives__item-text p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.perspectives__cta {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  justify-content: center;
  gap: 20px;
  background: rgba(59, 130, 246, 0.05);
}

.perspectives__icon-box {
  width: 60px;
  height: 60px;
  background: var(--color-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  margin-bottom: 10px;
}

.perspectives__small {
  padding: 30px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.perspectives__stat {
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--color-text);
  line-height: 1;
  margin: 10px 0;
}

.perspectives__stat-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  color: var(--color-primary);
}

/* Responsive Perspectives */
@media (max-width: 992px) {
  .perspectives__grid {
    grid-template-columns: 1fr;
  }
  .perspectives__main {
    grid-row: auto;
  }
}

/* --- Contact Section --- */
.contact {
  padding: 100px 0;
}
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 20px;
}

.form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.form__group {
  width: 100%;
}
.form__input {
  width: 100%;
  padding: 15px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  color: white;
  font-family: var(--font-main);
  transition: var(--transition);
}
.form__input:focus {
  border-color: var(--color-primary);
  outline: none;
  background: rgba(59, 130, 246, 0.05);
}

/* Custom Checkboxes */
.checkbox-container {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  cursor: pointer;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}
.checkbox-container input {
  display: none;
}
.checkbox-mark {
  width: 20px;
  height: 20px;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  position: relative;
  flex-shrink: 0;
  margin-top: 2px;
}
.checkbox-container input:checked + .checkbox-mark {
  background: var(--color-primary);
  border-color: var(--color-primary);
}
.checkbox-container input:checked + .checkbox-mark::after {
  content: "✓";
  position: absolute;
  color: white;
  font-size: 14px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.form__captcha {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--color-border);
  border-radius: 4px;
}
.captcha-logo i {
  color: var(--color-primary);
  opacity: 0.5;
}

.form__message {
  padding: 15px;
  border-radius: 4px;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 10px;
}
.form__message--success {
  background: rgba(34, 197, 94, 0.1);
  color: #22c55e;
  border: 1px solid #22c55e;
}
.form__message--error {
  background: rgba(239, 68, 68, 0.1);
  color: #ef4444;
  border: 1px solid #ef4444;
}

/* --- Cookie Popup --- */
.cookie-popup {
  position: fixed;
  bottom: 20px;
  left: 20px;
  right: 20px;
  z-index: 2000;
  background: var(--color-surface);
  border: 1px solid var(--color-primary);
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}
.cookie-popup__content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  max-width: 1200px;
  margin: 0 auto;
}
.cookie-popup p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}
.cookie-popup a {
  color: var(--color-primary);
  text-decoration: underline;
}
.btn--small {
  padding: 8px 20px;
  font-size: 0.8rem;
}

/* --- Policy Pages Styling --- */
.pages {
  padding: 150px 0 100px;
}
.pages h1 {
  font-size: 3rem;
  margin-bottom: 40px;
  color: var(--color-primary);
  text-transform: uppercase;
}
.pages h2 {
  font-size: 1.8rem;
  margin: 30px 0 20px;
}
.pages p {
  color: var(--color-text-muted);
  margin-bottom: 20px;
  line-height: 1.8;
}
.pages ul {
  margin-bottom: 30px;
  padding-left: 20px;
}
.pages li {
  color: var(--color-text-muted);
  margin-bottom: 10px;
  list-style: square;
}
.pages strong {
  color: var(--color-text);
}
.pages a {
  color: var(--color-primary);
}

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

/* Ошибка валидации для полей */
.form__input--error {
  border-color: #ef4444 !important;
  background: rgba(239, 68, 68, 0.05) !important;
}

.form__error-text {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: #ef4444;
  margin-top: 5px;
  display: none;
}