@import url("https://fonts.googleapis.com/css2?family=Montserrat:wght@600;700;800&family=PT+Sans+Caption:wght@400;700&display=swap");

:root {
  --bg: #f7f6fd;
  --paper: rgba(255, 255, 255, 0.9);
  --paper-strong: #ffffff;
  --text: #181818;
  --muted: #666666;
  --line: rgba(178, 170, 235, 0.92);
  --accent: #6455d8;
  --accent-dark: #4e3dd2;
  --shadow: 0 20px 40px rgba(41, 29, 125, 0.12);
  --radius: 24px;
  --container: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "PT Sans Caption", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(100, 85, 216, 0.12), transparent 32%),
    linear-gradient(180deg, #fbfbff 0%, #f5f3ff 100%);
  line-height: 1.6;
}

a {
  color: inherit;
}

.container {
  width: min(calc(100% - 32px), var(--container));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(14px);
  background: rgba(255, 255, 255, 0.88);
  border-bottom: 1px solid var(--line);
}

.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
}

.brand-mark {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent), #8d80ea);
  color: #fff;
  font-weight: 700;
  box-shadow: var(--shadow);
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand-text strong {
  margin-bottom: 2px;
  font-family: "Montserrat", "Helvetica Neue", Arial, sans-serif;
  font-size: 1.05rem;
}

.brand-text small {
  max-width: 44ch;
  font-size: 0.82rem;
}

.brand-text small,
.section-heading p,
.hero-text,
.course-card p,
.detail-card p,
.site-footer p {
  color: var(--muted);
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.nav a {
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 700;
  font-family: "Montserrat", "Helvetica Neue", Arial, sans-serif;
}

.hero {
  padding: 72px 0 48px;
}

.hero-grid,
.info-grid,
.footer-grid {
  display: grid;
  gap: 24px;
}

.hero-grid {
  grid-template-columns: 1.6fr 1fr;
  align-items: start;
}

.hero-grid-single {
  grid-template-columns: 1fr;
}

.eyebrow {
  margin: 0 0 12px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  color: var(--accent-dark);
  font-family: "Montserrat", "Helvetica Neue", Arial, sans-serif;
  font-weight: 700;
}

h2,
h3,
p {
  margin-top: 0;
}

h2 {
  font-family: "Montserrat", "Helvetica Neue", Arial, sans-serif;
  font-size: clamp(1.7rem, 3vw, 2.5rem);
  line-height: 1.08;
  margin-bottom: 14px;
}

h3 {
  font-family: "Montserrat", "Helvetica Neue", Arial, sans-serif;
  font-size: 1.1rem;
  line-height: 1.25;
  margin-bottom: 12px;
}

.course-card,
.info-card,
.detail-card,
.doc-link {
  border-radius: var(--radius);
  background: var(--paper);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.plain-list {
  margin: 0;
  padding-left: 18px;
}

.section {
  padding: 32px 0 56px;
}

.section-muted {
  background: rgba(255, 255, 255, 0.26);
  border-top: 1px solid rgba(178, 170, 235, 0.7);
  border-bottom: 1px solid rgba(178, 170, 235, 0.7);
}

.section-heading {
  max-width: 720px;
  margin-bottom: 28px;
}

.cards-grid,
.links-grid {
  display: grid;
  gap: 18px;
}

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

.course-card,
.detail-card,
.info-card {
  padding: 22px;
}

.detail-card-full {
  padding: 28px;
}

.detail-card-full p:last-child {
  margin-bottom: 0;
}

.education-cta {
  margin-top: 24px;
}

.course-type {
  margin-bottom: 10px;
  color: var(--accent-dark);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-family: "Montserrat", "Helvetica Neue", Arial, sans-serif;
  font-weight: 700;
}

.course-meta {
  display: inline-block;
  margin-top: 8px;
  padding: 7px 12px;
  border-radius: 999px;
  background: rgba(100, 85, 216, 0.12);
  color: var(--accent-dark);
  font-size: 0.92rem;
  font-weight: 600;
}

.info-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

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

.doc-link {
  display: block;
  padding: 20px 22px;
  text-decoration: none;
  font-weight: 600;
  font-family: "Montserrat", "Helvetica Neue", Arial, sans-serif;
}

.inline-doc-link {
  display: inline-block;
  padding: 14px 18px;
  border-radius: 16px;
  background: rgba(100, 85, 216, 0.12);
  color: var(--accent-dark);
}

.doc-gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.doc-figure {
  margin: 0;
}

.doc-figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: var(--paper-strong);
}

.doc-figure figcaption {
  margin-top: 10px;
  color: var(--muted);
  font-weight: 600;
}

.signup-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.form-field {
  display: grid;
  gap: 8px;
}

.form-field span {
  font-family: "Montserrat", "Helvetica Neue", Arial, sans-serif;
  font-size: 0.92rem;
  font-weight: 700;
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--paper-strong);
  color: var(--text);
  font: inherit;
}

.form-field textarea {
  resize: vertical;
  min-height: 120px;
}

.form-field-wide {
  grid-column: 1 / -1;
}

.form-actions {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
}

.form-submit {
  padding: 14px 22px;
  border: 0;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--accent), #8d80ea);
  color: #fff;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  box-shadow: var(--shadow);
}

.form-submit:hover {
  background: linear-gradient(135deg, var(--accent-dark), var(--accent));
}

.site-footer {
  padding: 36px 0 48px;
}

.footer-grid {
  grid-template-columns: 1.5fr 0.8fr;
  align-items: start;
}

.footer-title {
  color: var(--text);
  font-family: "Montserrat", "Helvetica Neue", Arial, sans-serif;
  font-weight: 700;
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

@media (max-width: 980px) {
  .cards-grid,
  .links-grid,
  .doc-gallery,
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 720px) {
  .header-row,
  .cards-grid,
  .info-grid,
  .links-grid,
  .doc-gallery,
  .footer-grid,
  .signup-form {
    grid-template-columns: 1fr;
  }

  .header-row {
    display: grid;
  }

  .nav {
    gap: 12px;
  }
}