:root {
  --primary: #1e3a8a;
  --primary-hover: #1a3278;
  --primary-light: #e8eeff;
  --secondary: #0f9d7a;
  --secondary-hover: #0c8768;
  --secondary-light: #e6f7f2;
  --accent: #f59e0b;
  --accent-hover: #d98908;
  --accent-light: #fff5e3;
  --bg-main: #f8fafc;
  --bg-surface: #ffffff;
  --bg-elevated: #f1f5f9;
  --border: #e2e8f0;
  --text-primary: #0f172a;
  --text-secondary: #334155;
  --text-muted: #64748b;
  --success: #10b981;
  --danger: #ef4444;
  --radius: 18px;
  --shadow: 0 20px 60px rgba(30, 58, 138, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Manrope", sans-serif;
  background: linear-gradient(180deg, #f8fafc 0%, #eef2ff 100%);
  color: var(--text-primary);
  line-height: 1.7;
}

img {
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: min(1120px, 92%);
  margin: 0 auto;
}

.section {
  padding: 88px 0;
}

.section-alt {
  background: linear-gradient(180deg, #f8fafc, #eef2ff);
}

.section-title {
  font-size: clamp(1.6rem, 2.6vw, 2.6rem);
  margin: 0 0 10px;
}

.section-subtitle {
  color: var(--text-secondary);
  margin: 0 0 32px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: -999px;
}

.skip-link:focus {
  left: 16px;
  top: 16px;
  background: var(--primary);
  color: #ffffff;
  padding: 8px 12px;
  border-radius: 8px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 999;
  backdrop-filter: blur(12px);
  background: rgba(255, 255, 255, 0.9);
  border-bottom: 1px solid var(--border);
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 72px;
}

.logo {
  font-weight: 800;
  font-size: 1.2rem;
}

.logo span {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 24px;
  align-items: center;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--text-muted);
  transition: color 0.25s ease;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--primary);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid var(--primary);
  background: var(--primary);
  color: #fff;
  padding: 12px 18px;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
  background: var(--primary-hover);
}

.btn-ghost {
  background: #ffffff;
  border-color: var(--border);
  color: var(--primary);
}

.btn-small {
  padding: 9px 14px;
  color: #fff;
}

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

.btn-enroll:hover {
  background: var(--accent-hover);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
}

.menu-toggle span {
  width: 26px;
  height: 2px;
  background: var(--text-primary);
}

.hero {
  position: relative;
  overflow: clip;
  min-height: calc(100vh - 72px);
  display: grid;
  place-items: center;
}

.hero-content {
  text-align: center;
  position: relative;
  z-index: 2;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--secondary);
  font-weight: 700;
}

.hero h1 {
  margin: 0;
  font-size: clamp(2.1rem, 5vw, 4.1rem);
  line-height: 1.1;
  font-family: "Playfair Display", serif;
}

.hero-text {
  max-width: 760px;
  margin: 14px auto 30px;
  color: var(--text-secondary);
}

.hero-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-icons {
  margin-top: 28px;
  display: inline-flex;
  gap: 16px;
  color: var(--secondary);
  font-size: 1.6rem;
  animation: float 4s ease-in-out infinite;
}

.stats-strip {
  margin-top: 28px;
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(3, minmax(90px, 1fr));
}

.stats-strip article {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px;
}

.stats-strip strong {
  display: block;
  font-size: 1.4rem;
}

.stats-strip span {
  color: var(--text-muted);
  font-size: 0.92rem;
}

.orb {
  position: absolute;
  border-radius: 999px;
  filter: blur(20px);
  opacity: 0.25;
  pointer-events: none;
}

.orb-a {
  width: 340px;
  height: 340px;
  background: #8ca3ff;
  top: 8%;
  left: -80px;
  animation: pulse 7s infinite;
}

.orb-b {
  width: 240px;
  height: 240px;
  background: #5bc9b0;
  right: -80px;
  top: 20%;
  animation: pulse 8s infinite;
}

.orb-c {
  width: 290px;
  height: 290px;
  background: #ffd38a;
  bottom: -100px;
  left: 40%;
  animation: pulse 9s infinite;
}

.course-grid {
  display: grid;
  gap: 26px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: stretch;
}

.course-column h3 {
  margin: 0 0 16px;
}

.course-grid > .course-column:not(.asset-program) {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.course-grid > .course-column:not(.asset-program) .course-card {
  margin-bottom: 0;
  flex: 1;
}

.course-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  margin-bottom: 14px;
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.course-card:hover {
  transform: translateY(-5px);
  border-color: rgba(15, 157, 122, 0.55);
}

.course-card i {
  color: var(--secondary);
  font-size: 1.35rem;
}

.course-card h4 {
  margin: 8px 0 6px;
}

.course-card p {
  margin: 0;
  color: var(--text-secondary);
}

.meta {
  margin-top: 12px;
  display: flex;
  justify-content: space-between;
  gap: 10px;
}

.meta span {
  font-size: 0.85rem;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: 999px;
  padding: 4px 10px;
}

.premium {
  padding: 14px;
  border-radius: var(--radius);
  background: linear-gradient(145deg, var(--primary-light), var(--secondary-light));
  border: 1px solid rgba(30, 58, 138, 0.2);
}

.asset-courses {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.asset-program {
  grid-column: 1 / -1;
}

.asset-program .course-card {
  margin-bottom: 0;
  height: 100%;
}

.feature-grid,
.testimonial-grid,
.counter-grid,
.footer-grid {
  display: grid;
  gap: 16px;
}

.feature-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.feature-card,
.testimonial-card,
.counter-grid article,
.contact-info,
.contact-form {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
}

.feature-card:hover,
.testimonial-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-4px);
}

.feature-card i {
  color: var(--accent);
  font-size: 1.3rem;
}

.about-grid {
  display: grid;
  gap: 28px;
  grid-template-columns: 1fr 1fr;
  align-items: center;
}

.about-media {
  min-height: 320px;
  border-radius: var(--radius);
  padding: 12px;
  background: linear-gradient(150deg, var(--primary-light), var(--secondary-light));
}

.about-block {
  height: 100%;
  border-radius: calc(var(--radius) - 6px);
  background: repeating-linear-gradient(
    45deg,
    rgba(255, 255, 255, 1),
    rgba(255, 255, 255, 1) 20px,
    rgba(241, 245, 249, 1),
    rgba(241, 245, 249, 1) 40px
  );
}

.about-image {
  width: 100%;
  height: 100%;
  min-height: 296px;
  border-radius: calc(var(--radius) - 6px);
  object-fit: cover;
  display: block;
}

.checks {
  padding: 0;
  list-style: none;
}

.checks li {
  margin: 8px 0;
}

.checks i {
  color: var(--success);
}

.counter-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.counter-grid article {
  text-align: center;
}

.counter-grid i {
  font-size: 1.4rem;
  color: var(--secondary);
}

.counter-grid strong {
  display: block;
  font-size: 2rem;
  margin-top: 6px;
}

.counter-grid span {
  color: var(--text-muted);
}

.testimonial-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.stars {
  color: var(--accent);
  letter-spacing: 1px;
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-item {
  border-radius: 14px;
  border: 1px solid var(--border);
  overflow: hidden;
  background: var(--bg-surface);
}

.faq-question {
  width: 100%;
  text-align: left;
  background: none;
  color: var(--text-primary);
  border: 0;
  padding: 16px;
  font-size: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-question i {
  transition: transform 0.25s ease;
}

.faq-item.open .faq-question i {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-item.open .faq-answer {
  max-height: 130px;
}

.faq-answer p {
  margin: 0;
  padding: 0 16px 16px;
  color: var(--text-secondary);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 18px;
}

.contact-info ul {
  list-style: none;
  padding: 0;
  margin: 16px 0;
}

.contact-info li {
  margin: 10px 0;
  color: var(--text-secondary);
}

.contact-info i {
  color: var(--secondary);
}

.socials {
  display: flex;
  gap: 14px;
}

.socials a {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--primary);
}

.contact-form {
  display: grid;
  gap: 10px;
}

.field {
  display: grid;
  gap: 6px;
}

.field label {
  font-weight: 600;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 12px;
  border-radius: 10px;
  border: 1px solid #cbd5e1;
  background: #ffffff;
  color: var(--text-primary);
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: 2px solid rgba(15, 157, 122, 0.45);
  border-color: transparent;
}

.error {
  color: var(--danger);
  min-height: 1.15em;
}

.form-status {
  margin: 8px 0 0;
  font-weight: 700;
}

.form-status.ok {
  color: var(--success);
}

.form-status.fail {
  color: var(--danger);
}

.site-footer {
  padding-top: 46px;
  border-top: 1px solid var(--border);
}

.footer-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.footer-grid a {
  display: block;
  margin: 6px 0;
  color: var(--text-secondary);
}

.footer-bottom {
  border-top: 1px solid var(--border);
  margin-top: 20px;
  padding: 16px 0 26px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  color: var(--text-muted);
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.show {
  opacity: 1;
  transform: translateY(0);
}

@keyframes pulse {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.12);
  }
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}

@media (max-width: 992px) {
  .course-grid,
  .feature-grid,
  .testimonial-grid,
  .counter-grid,
  .footer-grid,
  .contact-grid,
  .about-grid {
    grid-template-columns: 1fr 1fr;
  }

  .asset-courses {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .menu-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 72px;
    right: 0;
    width: min(320px, 80vw);
    height: calc(100vh - 72px);
    background: #ffffff;
    border-left: 1px solid var(--border);
    display: grid;
    align-content: start;
    gap: 8px;
    padding: 16px;
    transform: translateX(100%);
    transition: transform 0.3s ease;
  }

  .nav-links.open {
    transform: translateX(0);
  }

  .course-grid,
  .feature-grid,
  .testimonial-grid,
  .counter-grid,
  .footer-grid,
  .contact-grid,
  .about-grid {
    grid-template-columns: 1fr;
  }

  .asset-courses {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 70px 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}