/* VeritasVPN Learn — education hub + articles */

/* Navbar opacity is owned by style-typography1.css (shared chrome). */

.learn-page {
  padding: calc(var(--nav-h) + 8px) 0 96px;
  min-height: 70vh;
}

/* —— Hub hero: one composition —— */
.learn-hero {
  position: relative;
  max-width: 920px;
  margin: 0 auto 56px;
  padding: 48px 0 8px;
}

.learn-hero::before {
  content: "";
  position: absolute;
  inset: -40px -20% auto;
  height: 280px;
  background:
    radial-gradient(ellipse 70% 80% at 15% 40%, rgba(0, 210, 255, 0.18), transparent 55%),
    radial-gradient(ellipse 50% 60% at 85% 20%, rgba(0, 71, 255, 0.16), transparent 50%);
  pointer-events: none;
  z-index: 0;
}

.learn-hero > * {
  position: relative;
  z-index: 1;
}

.learn-brand {
  display: inline-flex;
  align-items: baseline;
  gap: 0.35em;
  margin: 0 0 18px;
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(1.75rem, 3.5vw, 2.35rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--paper);
  line-height: 1.15;
}

.learn-brand .logo-highlight {
  background: linear-gradient(120deg, var(--gradient-start), var(--gradient-end));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.learn-hero h1 {
  margin: 0 0 14px;
  max-width: 18ch;
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(1.85rem, 3.8vw, 2.65rem);
  font-weight: 600;
  line-height: 1.2;
  color: var(--paper);
}

.learn-hero .learn-lede {
  margin: 0 0 28px;
  max-width: 42rem;
  color: var(--paper-muted);
  font-size: var(--text-body-lg, 1.125rem);
  line-height: 1.6;
}

.learn-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* —— Category sections —— */
.learn-section {
  margin: 0 0 48px;
}

.learn-section-head {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 18px;
  max-width: 640px;
}

.learn-section-head h2 {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.45rem;
  font-weight: 600;
  color: var(--paper);
}

.learn-section-head p {
  margin: 0;
  color: var(--paper-muted);
  font-size: 1.02rem;
  line-height: 1.5;
}

.learn-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.learn-list a {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px 24px;
  align-items: baseline;
  padding: 18px 4px;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  color: inherit;
  transition: color 0.15s ease, background 0.15s ease;
}

.learn-list a:hover {
  background: rgba(0, 210, 255, 0.04);
}

.learn-list a:hover .learn-list-title {
  color: var(--cyan);
}

.learn-list-title {
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.12rem;
  font-weight: 600;
  color: var(--paper);
  transition: color 0.15s ease;
}

.learn-list-desc {
  grid-column: 1 / -1;
  color: var(--paper-muted);
  font-size: 0.98rem;
  line-height: 1.5;
}

.learn-list-meta {
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--paper-dim);
  white-space: nowrap;
}

@media (min-width: 720px) {
  .learn-list a {
    grid-template-columns: 1fr minmax(0, 2.2fr) auto;
    align-items: center;
  }

  .learn-list-desc {
    grid-column: auto;
  }
}

/* —— Article —— */
.learn-article {
  max-width: 720px;
  margin: 0 auto;
}

.learn-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 22px;
  color: var(--paper-muted);
  font-size: 0.95rem;
  text-decoration: none;
}

.learn-back:hover {
  color: var(--cyan);
}

.learn-kicker {
  display: inline-block;
  margin-bottom: 10px;
  color: var(--cyan);
  font-size: var(--text-kicker, 0.8125rem);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.learn-article h1 {
  margin: 0 0 12px;
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(1.9rem, 3.5vw, 2.55rem);
  line-height: 1.18;
  color: var(--paper);
}

.learn-article .learn-meta {
  margin: 0 0 28px;
  color: var(--paper-dim);
  font-size: 0.92rem;
}

.learn-article .learn-lede {
  margin: 0 0 28px;
  color: var(--paper-muted);
  font-size: 1.15rem;
  line-height: 1.6;
}

.learn-prose {
  color: var(--paper-muted);
  font-size: 1.06rem;
  line-height: 1.7;
}

.learn-prose h2 {
  margin: 2rem 0 0.75rem;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--paper);
}

.learn-prose h3 {
  margin: 1.5rem 0 0.55rem;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.12rem;
  font-weight: 600;
  color: var(--paper);
}

.learn-prose p {
  margin: 0 0 1.05rem;
}

.learn-prose ul,
.learn-prose ol {
  margin: 0 0 1.15rem;
  padding-left: 1.25rem;
}

.learn-prose li {
  margin-bottom: 0.45rem;
}

.learn-prose a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.learn-prose a:hover {
  color: #33dbff;
}

.learn-prose code {
  font-size: 0.92em;
  padding: 0.1em 0.35em;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--paper);
}

.learn-prose strong {
  color: var(--paper);
  font-weight: 600;
}

.learn-related {
  margin: 40px 0 28px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

.learn-related h2 {
  margin: 0 0 14px;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.2rem;
  color: var(--paper);
}

.learn-related ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.learn-related a {
  color: var(--cyan);
  text-decoration: none;
  font-size: 1.02rem;
}

.learn-related a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.learn-cta {
  margin-top: 36px;
  padding: 28px 26px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background:
    linear-gradient(145deg, rgba(0, 210, 255, 0.08), transparent 45%),
    var(--panel);
}

.learn-cta h2 {
  margin: 0 0 10px;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.35rem;
  color: var(--paper);
}

.learn-cta p {
  margin: 0 0 18px;
  color: var(--paper-muted);
  font-size: 1.02rem;
  line-height: 1.55;
  max-width: 40rem;
}

.learn-cta .cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.learn-footer-note {
  margin-top: 48px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  color: var(--paper-dim);
  font-size: 0.9rem;
}

.learn-footer-note a {
  color: var(--paper-muted);
}

/* Premium visual system — Learn hub and articles */
.learn-page {
  background:
    radial-gradient(ellipse 52% 22% at 84% 0%, rgba(0, 71, 255, .13), transparent 72%),
    radial-gradient(ellipse 42% 23% at 3% 28%, rgba(0, 210, 255, .06), transparent 76%);
}
.learn-hero { max-width: 1120px; padding: clamp(48px, 7vw, 88px) clamp(24px, 5vw, 64px) 44px; border: 1px solid rgba(0, 210, 255, .15); border-radius: 26px; background: linear-gradient(125deg, rgba(0, 210, 255, .08), transparent 46%), rgba(11, 18, 29, .75); box-shadow: 0 26px 76px rgba(0, 0, 0, .2), inset 0 1px rgba(255, 255, 255, .045); }
.learn-hero::before { inset: -30px -10% auto; }
.learn-hero h1 { max-width: 13ch; font-size: clamp(2.8rem, 5.2vw, 5.1rem); line-height: .99; letter-spacing: -.065em; }
.learn-brand { font-size: var(--text-kicker); font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
.learn-brand .logo-highlight { color: var(--cyan); background: none; -webkit-text-fill-color: currentColor; }
.learn-section { max-width: 1120px; margin: 0 auto 48px; padding: clamp(23px, 4vw, 36px); border: 1px solid var(--line); border-radius: 20px; background: rgba(9, 15, 24, .58); box-shadow: inset 0 1px rgba(255, 255, 255, .025); }
.learn-section-head { padding-bottom: 8px; }
.learn-section-head h2 { font-size: clamp(1.5rem, 2.3vw, 2rem); letter-spacing: -.04em; }
.learn-list { border-top-color: rgba(255, 255, 255, .11); }
.learn-list a { padding: 20px 14px; border-radius: 12px; border-bottom-color: rgba(255, 255, 255, .09); transition: color .2s ease, background .2s ease, transform .2s ease; }
.learn-list a:hover { transform: translateX(4px); background: linear-gradient(90deg, rgba(0, 210, 255, .09), transparent 72%); }
.learn-list-meta { color: var(--cyan); font-weight: 750; }
.learn-article { max-width: 810px; padding: clamp(30px, 6vw, 64px); border: 1px solid rgba(255, 255, 255, .1); border-radius: 22px; background: linear-gradient(145deg, rgba(14, 23, 36, .74), rgba(7, 12, 20, .78)); box-shadow: 0 24px 70px rgba(0, 0, 0, .17), inset 0 1px rgba(255, 255, 255, .035); }
.learn-article h1 { font-size: clamp(2.5rem, 4.6vw, 4.25rem); line-height: 1; letter-spacing: -.06em; }
.learn-prose h2 { padding-top: .85rem; letter-spacing: -.03em; }
.learn-prose blockquote { margin: 1.5rem 0; padding: 18px 20px; border-left: 2px solid var(--cyan); border-radius: 0 12px 12px 0; background: rgba(0, 210, 255, .05); color: var(--paper-muted); }
.learn-related { margin-top: 48px; padding: 25px; border: 1px solid var(--line); border-radius: 16px; background: rgba(0, 0, 0, .13); }
.learn-cta { border-color: rgba(0, 210, 255, .22); border-radius: 18px; box-shadow: 0 18px 48px rgba(0, 0, 0, .14); }
@media (max-width: 640px) {
  .learn-hero, .learn-section, .learn-article { border-radius: 18px; }
  .learn-hero { padding: 34px 20px; }
  .learn-section { padding: 23px 16px; }
  .learn-list a:hover { transform: none; }
  .learn-article { padding: 27px 19px; }
}