:root {
  --color-bg: #f9f9f9;
  --color-text: #1a1a1a;
  --color-accent: #0047ff;
  --color-grid: #e0e0e0;
  --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;
  background-image:
    linear-gradient(var(--color-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-grid) 1px, transparent 1px);
  background-size: 40px 40px;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Typography */
h1,
h2,
h3 {
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: -0.02em;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--color-text);
  font-weight: 700;
  font-size: 1.2rem;
}

.logo__img {
  width: 32px;
  height: 32px;
}

/* Header */
.header {
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--color-text);
  background: rgba(249, 249, 249, 0.8);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 1000;
}

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

.nav__list {
  display: flex;
  list-style: none;
  gap: 2.5rem;
  align-items: center;
}

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

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

.nav__link--cta {
  background: var(--color-text);
  color: #fff;
  padding: 0.6rem 1.2rem;
  border-radius: 4px;
}

.nav__link--cta:hover {
  background: var(--color-accent);
  color: #fff;
}

/* Footer */
.footer {
  border-top: 1px solid var(--color-text);
  padding: 5rem 0 2rem;
  margin-top: 5rem;
  background: #fff;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

.footer__title {
  font-size: 0.8rem;
  font-family: var(--font-mono);
  margin-bottom: 1.5rem;
  color: var(--color-accent);
}

.footer__list,
.footer__contacts {
  list-style: none;
}

.footer__list li {
  margin-bottom: 0.5rem;
}
.footer__list a {
  text-decoration: none;
  color: var(--color-text);
  font-size: 0.9rem;
  transition: var(--transition);
}

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

.footer__contacts li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  margin-bottom: 0.8rem;
}

.footer__tagline {
  margin-top: 1.5rem;
  max-width: 300px;
  font-size: 0.95rem;
}

.footer__bottom {
  padding-top: 2rem;
  border-top: 1px solid var(--color-grid);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  display: flex;
  justify-content: space-between;
}

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

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

@media (max-width: 992px) {
  .footer__grid {
    grid-template-columns: 1fr 1fr;
  }
  .nav {
    display: none;
  }
  .burger {
    display: flex;
  }
}

@media (max-width: 600px) {
  .footer__grid {
    grid-template-columns: 1fr;
  }
}

/* Bento Grid Layout */
.hero {
  padding: 4rem 0;
}

.hero__bento {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(2, auto);
  gap: 1.5rem;
}

.bento-item {
  background: #fff;
  border: 1px solid var(--color-text);
  padding: 2rem;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}

.bento-item:hover {
  box-shadow: 8px 8px 0px var(--color-text);
  transform: translate(-4px, -4px);
}

.bento-item__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-accent);
  margin-bottom: 1rem;
  text-transform: uppercase;
}

.bento-item__corner {
  position: absolute;
  bottom: 5px;
  right: 5px;
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--color-grid);
  pointer-events: none;
}

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

.hero__title {
  font-size: 4.5rem;
  line-height: 0.95;
  margin-bottom: 2rem;
}

.text-accent {
  color: var(--color-accent);
}

.hero__subtitle {
  max-width: 500px;
  font-size: 1.1rem;
  margin-bottom: 2.5rem;
}

.hero__actions {
  display: flex;
  gap: 1rem;
}

/* Buttons */
.btn {
  padding: 1rem 2rem;
  text-decoration: none;
  font-family: var(--font-mono);
  font-weight: 500;
  transition: var(--transition);
  display: inline-block;
}

.btn--primary {
  background: var(--color-text);
  color: #fff;
}

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

.btn:hover {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}

/* Stat Block */
.stat-number {
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--color-accent);
}

/* Visual Block */
.hero__block--visual {
  grid-column: span 2;
  min-height: 200px;
  background: #111;
  display: flex;
  align-items: center;
  justify-content: center;
}

.tech-grid-animation {
  width: 100%;
  height: 100%;
  position: relative;
  background-image: radial-gradient(var(--color-accent) 1px, transparent 1px);
  background-size: 20px 20px;
  opacity: 0.3;
}

.scan-line {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--color-accent);
  box-shadow: 0 0 15px var(--color-accent);
  animation: scan 4s linear infinite;
}

@keyframes scan {
  0% {
    top: 0;
  }
  100% {
    top: 100%;
  }
}

/* Courses Section Styles */
.courses {
  padding: 8rem 0;
}

.section-header {
  margin-bottom: 4rem;
}
.section-title {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.courses__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.course-card__icon {
  color: var(--color-accent);
  margin-bottom: 1.5rem;
}

.course-card__title {
  margin-bottom: 1rem;
}

.course-card__link {
  display: flex;
  align-items: center;
  gap: 5px;
  margin-top: 2rem;
  text-decoration: none;
  color: var(--color-text);
  font-family: var(--font-mono);
  font-weight: 700;
}

/* Mobile Responsive Hero */
@media (max-width: 992px) {
  .hero__bento {
    grid-template-columns: 1fr 1fr;
  }
  .hero__block--main {
    grid-column: span 2;
  }
  .hero__title {
    font-size: 3rem;
  }
}

@media (max-width: 600px) {
  .hero__bento {
    grid-template-columns: 1fr;
  }
  .hero__block--main {
    grid-column: span 1;
  }
  .hero__block--visual {
    grid-column: span 1;
  }
  .courses__grid {
    grid-template-columns: 1fr;
  }
}

/* Tech Section */
.tech {
  padding: 8rem 0;
  background: #111;
  color: #fff;
}

.tech__wrapper {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 4rem;
}

.tech__item {
  display: flex;
  gap: 2rem;
  padding: 2.5rem 0;
  border-bottom: 1px solid #333;
  transition: var(--transition);
}

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

.tech__num {
  font-family: var(--font-mono);
  color: var(--color-accent);
  font-size: 1.2rem;
}

.tech__name {
  font-size: 1.8rem;
  margin-bottom: 0.5rem;
}

.tech__text {
  color: #999;
  font-size: 0.95rem;
}

/* Ecosystem Bento */
.ecosystem {
  padding: 8rem 0;
}

.ecosystem__bento {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(2, 300px);
  gap: 1.5rem;
}

.ecosystem__card--hero {
  grid-column: span 2;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.ecosystem__card i {
  color: var(--color-accent);
  width: 40px;
  height: 40px;
  margin-bottom: 1.5rem;
}

.ecosystem__card--dark {
  background: var(--color-accent);
  color: #fff;
  border: none;
}

.ecosystem__card--dark h3 {
  margin-bottom: 1rem;
}
.ecosystem__card--dark .btn--primary {
  background: #fff;
  color: var(--color-accent);
  margin-top: auto;
}

/* About Section */
.about {
  padding: 8rem 0;
}

.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.about__image {
  padding: 0;
  height: 500px;
  position: relative;
}

.about__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about__overlay {
  position: absolute;
  bottom: 20px;
  left: 20px;
  background: var(--color-text);
  color: #fff;
  padding: 0.5rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

.about__features {
  list-style: none;
  margin-top: 2rem;
}

.about__features li {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 1rem;
  font-weight: 500;
}

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

/* Responsive */
@media (max-width: 992px) {
  .tech__wrapper,
  .about__grid {
    grid-template-columns: 1fr;
  }
  .ecosystem__bento {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto;
  }
}

@media (max-width: 600px) {
  .ecosystem__bento {
    grid-template-columns: 1fr;
  }
  .ecosystem__card--hero {
    grid-column: span 1;
  }
}

/* Contact Form Styles */
.contact {
  padding: 8rem 0;
}
.contact__bento {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 1.5rem;
}

.form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.form__group {
  position: relative;
}
.form__input {
  width: 100%;
  padding: 1rem;
  border: 1px solid var(--color-grid);
  font-family: var(--font-mono);
  font-size: 1rem;
  transition: var(--transition);
}
.form__input:focus {
  border-color: var(--color-accent);
  outline: none;
}

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

/* Custom Captcha & Checkbox */
.captcha-checkbox,
.privacy-checkbox {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  font-size: 0.85rem;
}

.captcha-checkmark {
  width: 24px;
  height: 24px;
  border: 2px solid var(--color-text);
  position: relative;
  transition: var(--transition);
}

.captcha-checkbox input:checked + .captcha-checkmark {
  background: var(--color-accent);
  border-color: var(--color-accent);
}

.captcha-checkbox input:checked + .captcha-checkmark::after {
  content: "✓";
  color: #fff;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}

.form__message {
  display: none;
  padding: 1rem;
  background: #e7f3ef;
  color: #2d6a4f;
  border: 1px solid #2d6a4f;
  margin-top: 1rem;
  font-family: var(--font-mono);
}

/* Cookie Pop-up */
.cookie-popup {
  position: fixed;
  bottom: -100%;
  left: 0;
  width: 100%;
  background: #fff;
  border-top: 2px solid var(--color-text);
  padding: 1.5rem 0;
  z-index: 9999;
  transition: bottom 0.5s ease;
}
.cookie-popup--active {
  bottom: 0;
}
.cookie-popup__content {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.btn--sm {
  padding: 0.5rem 1.5rem;
  font-size: 0.8rem;
}

/* Styles for Policy Pages (.pages) */
.pages {
  padding: 10rem 0;
}
.pages h1 {
  font-size: 3rem;
  margin-bottom: 2.5rem;
  border-bottom: 2px solid var(--color-text);
  padding-bottom: 1rem;
}
.pages h2 {
  font-size: 1.8rem;
  margin: 2rem 0 1rem;
}
.pages p {
  margin-bottom: 1.2rem;
  color: #444;
}
.pages ul {
  margin-bottom: 1.5rem;
  padding-left: 1.5rem;
}
.pages li {
  margin-bottom: 0.5rem;
}
.pages strong {
  color: var(--color-text);
}
.pages a {
  color: var(--color-accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}
.pages a:hover {
  border-bottom-color: var(--color-accent);
}

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