:root {
  --color-dark: #0a0e14;
  --color-light: #e0e0ff;
  --color-accent: #d1ff26;
  --color-border: rgba(224, 224, 255, 0.15);
  --font-main: "Inter", sans-serif;
  --font-accent: "Playfair Display", serif;
  --transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
}

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

html {
  scroll-behavior: smooth;
}

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

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 40px;
}

/* Mesh Gradient Background */
.mesh-gradient {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  background:
    radial-gradient(
      circle at 20% 30%,
      rgba(50, 50, 150, 0.15) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 80% 70%,
      rgba(209, 255, 38, 0.05) 0%,
      transparent 50%
    );
  opacity: 0.8;
}

/* Header Styles (Editorial Style) */
.header {
  padding: 30px 0;
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  background: rgba(10, 14, 20, 0.8);
  backdrop-filter: blur(10px);
  z-index: 1000;
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 15px;
  text-decoration: none;
  color: var(--color-light);
}

.logo__text {
  font-family: var(--font-accent);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

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

.nav__list {
  display: flex;
  list-style: none;
  gap: 40px;
  align-items: center;
}

.nav__link {
  text-decoration: none;
  color: var(--color-light);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 300;
  transition: var(--transition);
}

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

.nav__link--cta {
  background: var(--color-accent);
  color: var(--color-dark);
  padding: 12px 24px;
  font-weight: 600;
}

.nav__link--cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(209, 255, 38, 0.2);
  color: var(--color-dark);
}

/* Burger Menu */
.burger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 30px;
  height: 20px;
  position: relative;
}

.burger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-accent);
  position: absolute;
  transition: var(--transition);
}

.burger span:first-child {
  top: 0;
}
.burger span:last-child {
  bottom: 0;
}

/* Footer Styles */
.footer {
  padding: 100px 0 50px;
  border-top: 1px solid var(--color-border);
  margin-top: 100px;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 60px;
  margin-bottom: 80px;
}

.footer__title {
  font-family: var(--font-accent);
  font-size: 1.2rem;
  margin-bottom: 25px;
  color: var(--color-accent);
}

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

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

.footer__list a,
.footer__contact-list a {
  text-decoration: none;
  color: var(--color-light);
  font-size: 0.95rem;
  opacity: 0.7;
  transition: var(--transition);
}

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

.footer__contact-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  opacity: 0.7;
}

.footer__bottom {
  text-align: center;
  padding-top: 40px;
  border-top: 1px solid var(--color-border);
  font-size: 0.8rem;
  opacity: 0.5;
}

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

/* Responsive */
@media (max-width: 1024px) {
  .footer__grid {
    grid-template-columns: 1fr 1fr;
  }
  .nav {
    display: none;
  }
  .burger {
    display: block;
  }
}

@media (max-width: 768px) {
  .footer__grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .container {
    padding: 0 20px;
  }
}

/* Hero Section */
.hero {
  min-height: calc(100vh - 100px);
  display: flex;
  align-items: center;
  padding: 80px 0;
  position: relative;
  border-bottom: 1px solid var(--color-border);
}

.hero__container {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  align-items: center;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(224, 224, 255, 0.05);
  border: 1px solid var(--color-border);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 30px;
}

.hero__badge-dot {
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--color-accent);
}

.hero__title {
  font-family: var(--font-accent);
  font-size: clamp(3rem, 8vw, 6rem);
  line-height: 1.05;
  margin-bottom: 30px;
  letter-spacing: -0.02em;
}

.hero__title .italic {
  font-style: italic;
  font-weight: 300;
}

.hero__description {
  max-width: 540px;
  font-size: 1.1rem;
  opacity: 0.8;
  margin-bottom: 40px;
  font-weight: 300;
}

.hero__actions {
  display: flex;
  gap: 20px;
}

/* Кнопки */
.btn {
  display: inline-flex;
  padding: 18px 36px;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  transition: var(--transition);
}

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

.btn--primary:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 30px rgba(209, 255, 38, 0.25);
}

.btn--secondary {
  border: 1px solid var(--color-light);
  color: var(--color-light);
}

.btn--secondary:hover {
  background: var(--color-light);
  color: var(--color-dark);
}

/* Візуальний блок */
.hero__image-wrapper {
  position: relative;
  padding: 20px;
  border: 1px solid var(--color-border);
}

.hero__image {
  width: 100%;
  height: auto;
  display: block;
  filter: grayscale(1);
  transition: var(--transition);
}

.hero__image:hover {
  filter: grayscale(0);
}

.hero__floating-card {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background: var(--color-dark);
  border: 1px solid var(--color-accent);
  padding: 20px;
  display: flex;
  flex-direction: column;
}

.hero__card-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  opacity: 0.6;
}

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

/* Animation Classes */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition:
    opacity 1s ease,
    transform 1s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1024px) {
  .hero__container {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero__description {
    margin-left: auto;
    margin-right: auto;
  }
  .hero__actions {
    justify-content: center;
  }
  .hero__visual {
    display: none;
  }
}

/* Philosophy Section */
.philosophy {
  padding: 120px 0;
  border-bottom: 1px solid var(--color-border);
  background: rgba(224, 224, 255, 0.02);
}

.philosophy__grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 30px;
}

.philosophy__header {
  grid-column: 1 / span 12;
  margin-bottom: 60px;
}

.philosophy__label {
  display: block;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.3em;
  color: var(--color-accent);
  margin-bottom: 20px;
}

.philosophy__title {
  font-family: var(--font-accent);
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  line-height: 1.1;
}

.philosophy__main-text {
  grid-column: 1 / span 6;
  font-size: 1.25rem;
  font-weight: 300;
  opacity: 0.9;
  padding-right: 40px;
  border-right: 1px solid var(--color-border);
}

.philosophy__main-text p + p {
  margin-top: 30px;
}

.philosophy__features {
  grid-column: 8 / span 5;
  display: flex;
  flex-direction: column;
  gap: 50px;
}

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

.feature-item__icon {
  color: var(--color-accent);
}

.feature-item__title {
  font-family: var(--font-accent);
  font-size: 1.5rem;
}

.feature-item__text {
  opacity: 0.7;
  font-size: 1rem;
}

.philosophy__cta {
  grid-column: 1 / span 12;
  margin-top: 80px;
  padding: 60px;
  border: 1px solid var(--color-accent);
  display: flex;
  justify-content: center;
  text-align: center;
}

.philosophy__cta-box p {
  font-size: 1.5rem;
  font-family: var(--font-accent);
  margin-bottom: 30px;
}

@media (max-width: 1024px) {
  .philosophy__main-text,
  .philosophy__features {
    grid-column: 1 / span 12;
    border-right: none;
    padding-right: 0;
  }
  .philosophy__cta {
    padding: 40px 20px;
  }
}

/* Courses Section */
.courses {
  padding: 120px 0;
  border-bottom: 1px solid var(--color-border);
}

.courses__header {
  margin-bottom: 80px;
  text-align: right;
}

.courses__label {
  display: block;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.3em;
  color: var(--color-accent);
  margin-bottom: 20px;
}

.courses__title {
  font-family: var(--font-accent);
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  line-height: 1.1;
}

.courses__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px; /* Эффект тонких линий между блоками */
  background-color: var(--color-border);
  border: 1px solid var(--color-border);
}

.course-card {
  background-color: var(--color-dark);
  padding: 60px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.course-card--large {
  grid-column: span 2;
  flex-direction: row;
  align-items: center;
  gap: 40px;
}

.course-card:hover {
  background-color: rgba(224, 224, 255, 0.03);
}

.course-card__name {
  font-family: var(--font-accent);
  font-size: 2rem;
  margin-bottom: 20px;
}

.course-card__description {
  font-size: 1rem;
  opacity: 0.7;
  margin-bottom: 30px;
  max-width: 500px;
  font-weight: 300;
}

.course-card__footer {
  display: flex;
  align-items: center;
  gap: 30px;
  margin-top: auto;
}

.course-card__tag {
  font-size: 0.7rem;
  text-transform: uppercase;
  border: 1px solid var(--color-border);
  padding: 4px 12px;
}

.btn-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--color-accent);
  text-decoration: none;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  transition: var(--transition);
}

.btn-link i {
  width: 18px;
  height: 18px;
}

.btn-link:hover {
  gap: 15px;
}

.course-card__image {
  width: 40%;
  filter: grayscale(1);
  opacity: 0.5;
  transition: var(--transition);
}

.course-card:hover .course-card__image {
  filter: grayscale(0);
  opacity: 1;
  transform: scale(1.05);
}

@media (max-width: 1024px) {
  .course-card--large {
    flex-direction: column;
    grid-column: span 1;
  }
  .courses__grid {
    grid-template-columns: 1fr;
  }
  .course-card__image {
    width: 100%;
    margin-top: 30px;
  }
}

/* Ecosystem Section */
.ecosystem {
  padding: 120px 0;
  border-bottom: 1px solid var(--color-border);
}

.ecosystem__container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.section-title {
  font-family: var(--font-accent);
  font-size: clamp(2.5rem, 4vw, 4rem);
  line-height: 1.1;
  margin: 20px 0 30px;
}

.section-text {
  font-size: 1.1rem;
  opacity: 0.8;
  font-weight: 300;
}

.ecosystem__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
}

.eco-card {
  background: var(--color-dark);
  padding: 40px;
  transition: var(--transition);
}

.eco-card:hover {
  background: rgba(209, 255, 38, 0.02);
}

.eco-card__number {
  font-family: var(--font-accent);
  color: var(--color-accent);
  font-size: 1.2rem;
  margin-bottom: 15px;
}

.eco-card__title {
  font-size: 1.3rem;
  margin-bottom: 10px;
}

/* Future Section (Minimalist & Bold) */
.future {
  padding: 150px 0;
  background: linear-gradient(to bottom, transparent, rgba(209, 255, 38, 0.03));
}

.future__big-title {
  font-family: var(--font-accent);
  font-size: clamp(3.5rem, 10vw, 8rem);
  line-height: 0.9;
  text-transform: uppercase;
  margin-bottom: 60px;
}

.future__big-title .accent-text {
  color: transparent;
  -webkit-text-stroke: 1px var(--color-accent);
}

.future__content {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 40px;
}

.future__content p {
  max-width: 500px;
  font-size: 1.2rem;
  font-weight: 300;
}

@media (max-width: 1024px) {
  .ecosystem__container {
    grid-template-columns: 1fr;
    gap: 60px;
  }
  .future__content {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* Contact Section */
.contact {
  padding: 120px 0;
  border-top: 1px solid var(--color-border);
}

.contact__container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
}

.contact__title {
  font-family: var(--font-accent);
  font-size: clamp(2.5rem, 4vw, 4rem);
  line-height: 1.1;
  margin-bottom: 30px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  position: relative;
}

.form-input {
  width: 100%;
  background: rgba(224, 224, 255, 0.03);
  border: 1px solid var(--color-border);
  padding: 20px;
  color: var(--color-light);
  font-family: var(--font-main);
  font-size: 1rem;
  transition: var(--transition);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-accent);
  background: rgba(224, 224, 255, 0.07);
}

.error-msg {
  color: #ff4d4d;
  font-size: 0.75rem;
  position: absolute;
  bottom: -18px;
  left: 0;
  display: none;
}

/* Custom Checkbox / Captcha Style */
.captcha-box,
.policy-box {
  margin: 10px 0;
}

.captcha-checkbox {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  font-size: 0.9rem;
  opacity: 0.8;
}

.captcha-checkbox input {
  display: none;
}

.checkmark {
  width: 20px;
  height: 20px;
  border: 1px solid var(--color-border);
  position: relative;
  transition: var(--transition);
}

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

.captcha-checkbox input:checked + .checkmark::after {
  content: "✓";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: var(--color-dark);
  font-size: 14px;
  font-weight: bold;
}

/* Success Message */
.form-message {
  display: none;
  text-align: center;
  padding: 40px;
  border: 1px solid var(--color-accent);
  background: rgba(209, 255, 38, 0.05);
}

.form-message i {
  width: 48px;
  height: 48px;
  color: var(--color-accent);
  margin-bottom: 20px;
}

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

@media (max-width: 1024px) {
  .contact__container {
    grid-template-columns: 1fr;
    gap: 60px;
  }
}

/* Cookie Popup */
.cookie-popup {
  position: fixed;
  bottom: -100%;
  left: 0;
  width: 100%;
  background: var(--color-dark);
  border-top: 1px solid var(--color-accent);
  padding: 20px 0;
  z-index: 2000;
  transition: var(--transition);
}

.cookie-popup.active {
  bottom: 0;
}

.cookie-popup__content {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}

.cookie-popup p {
  font-size: 0.9rem;
  opacity: 0.8;
}
.cookie-popup a {
  color: var(--color-accent);
  text-decoration: none;
}

/* Styles for Policy Pages (privacy.php, terms.php, etc.) */
.pages {
  padding: 100px 0;
  min-height: 60vh;
}
.pages h1 {
  font-family: var(--font-accent);
  font-size: 3rem;
  margin-bottom: 40px;
  color: var(--color-accent);
}
.pages h2 {
  font-family: var(--font-accent);
  font-size: 1.8rem;
  margin: 30px 0 20px;
}
.pages p {
  margin-bottom: 20px;
  opacity: 0.8;
  font-weight: 300;
}
.pages ul {
  margin-bottom: 30px;
  list-style: none;
}
.pages li {
  margin-bottom: 10px;
  padding-left: 20px;
  position: relative;
  opacity: 0.8;
}
.pages li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--color-accent);
}
.pages strong {
  color: var(--color-light);
  font-weight: 600;
}
.pages a {
  color: var(--color-accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: 0.3s;
}
.pages a:hover {
  border-bottom-color: var(--color-accent);
}