@media only screen and (min-width: 0rem) {:root {--learn-navy: #071d2f;--learn-deep: #04111d;--learn-panel: #0b2b42;--learn-cyan: #6ce7e1;--learn-muted: #b7c9d5;--learn-gold: #ffba19;--learn-mono: ui-monospace, "Cascadia Mono", "SFMono-Regular", Consolas, "Liberation Mono", monospace;}.learn-hub {position: relative;overflow: hidden;background: var(--learn-deep);padding: clamp(5rem, 11vw, 9rem) 0;color: #fff;}.learn-hub__container {position: relative;z-index: 1;margin: auto;max-width: 70rem;width: 92%;}.learn-hub__glow {position: absolute;border-radius: 50%;filter: blur(10px);opacity: 0.28;pointer-events: none;}.learn-hub__glow--one {top: -13.75rem;right: -10.625rem;background: var(--learn-cyan);height: 26.25rem;width: 26.25rem;}.learn-hub__glow--two {bottom: -15.625rem;left: -9.375rem;background: var(--learn-gold);height: 22.5rem;width: 22.5rem;}.learn-hub__eyebrow, .learn-hub__note, .learn-hub .learn-card__label, .learn-hub .learn-card__terminal {font-family: var(--learn-mono);}.learn-hub__eyebrow {margin: 0 0 1.25rem;color: var(--learn-cyan);font-size: 0.875rem;letter-spacing: 0.14em;text-transform: uppercase;}.learn-hub h1 {margin: 0;max-width: 47.5rem;color: #fff;font-size: clamp(2.5rem, 6vw, 5.25rem);line-height: 1.02;}.learn-hub__intro {margin: 1.5rem 0 0;max-width: 42.5rem;color: var(--learn-muted);font-size: clamp(1.1rem, 2vw, 1.35rem);line-height: 1.65;}.learn-hub__grid {display: grid;grid-template-columns: 1fr;gap: 1.5rem;margin-top: clamp(3rem, 7vw, 5rem);}.learn-hub__note {margin: 2rem 0 0;color: var(--learn-muted);font-size: 0.875rem;}.learn-card {display: block;border: 1px solid rgba(108, 231, 225, 0.4);border-radius: 1.125rem;background: rgba(11, 43, 66, 0.82);padding: clamp(1.5rem, 4vw, 2.5rem);color: #fff;text-decoration: none;box-shadow: 0 1.5rem 4rem rgba(0, 0, 0, 0.24);transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;}.learn-card:hover {transform: translateY(-0.375rem);border-color: var(--learn-gold);box-shadow: 0 2rem 4.5rem rgba(0, 0, 0, 0.38);}.learn-card__label {color: var(--learn-cyan);font-size: 0.8125rem;letter-spacing: 0.1em;text-transform: uppercase;}.learn-card__terminal {display: flex;align-items: center;gap: 0.5rem;border: 1px solid rgba(183, 201, 213, 0.25);border-radius: 0.625rem;margin: 1.5rem 0;background: var(--learn-deep);padding: clamp(1rem, 3vw, 1.5rem);color: var(--learn-gold);font-size: clamp(2.5rem, 8vw, 4.5rem);line-height: 1;}.learn-card__cursor {display: inline-block;background: var(--learn-cyan);height: 0.9em;width: 0.42em;animation: learn-blink 1s steps(2, start) infinite;}.learn-card h2 {margin: 0;color: #fff;font-size: clamp(1.6rem, 4vw, 2.25rem);line-height: 1.2;}.learn-card p {margin: 1rem 0 0;color: var(--learn-muted);line-height: 1.6;}.learn-card__link {display: inline-block;margin-top: 1.5rem;color: var(--learn-gold);font-weight: 700;}}@media only screen and (min-width: 48rem) {.learn-hub__grid {grid-template-columns: minmax(0, 35rem);}}@keyframes learn-blink {50% {opacity: 0;}}