.prep-landing { --prep-ink: #19243b; --prep-muted: #657086; --prep-purple: #6740c8; background: #f7f8fc; color: var(--prep-ink); padding-bottom: 64px; }
.prep-landing [hidden] { display: none !important; }
.prep-container { width: min(1180px, calc(100% - 64px)); margin-inline: auto; }
.prep-hero { padding: 72px 0 52px; background: radial-gradient(ellipse at 95% 10%, #e5dffc 0, transparent 48%), radial-gradient(ellipse at 0 90%, #e8f4f5 0, transparent 50%), #f9faff; border-bottom: 1px solid #e5e8f0; }
.prep-hero-grid { display: grid; grid-template-columns: 1.25fr 1fr; gap: 56px; align-items: center; }
.prep-eyebrow { display: inline-flex; align-items: center; gap: 8px; font-size: 10px; font-weight: 700; letter-spacing: 1.7px; color: var(--prep-purple); }
.prep-eyebrow > span { width: 7px; height: 7px; background: #5fba98; border-radius: 50%; }
.prep-hero h1 { margin: 22px 0; font-size: clamp(36px, 4vw, 57px); font-weight: 800; line-height: 1.13; letter-spacing: -2.5px; color: var(--prep-ink); }
.prep-hero h1 em { font-style: normal; color: var(--prep-purple); }
.prep-hero-copy > p { max-width: 490px; font-size: 15px; line-height: 1.9; color: var(--prep-muted); }
.prep-actions { display: flex; flex-wrap: wrap; gap: 22px; align-items: center; margin: 28px 0 34px; }
.prep-button { display: inline-flex; justify-content: center; align-items: center; gap: 22px; padding: 14px 20px; border: 0; border-radius: 10px; background: var(--prep-purple); color: #fff; font: inherit; font-size: 12px; font-weight: 600; text-decoration: none; cursor: pointer; box-shadow: 0 6px 16px #6740c822; }
.prep-button:hover { background: #5030a5; color: #fff; transform: translateY(-2px); }
.prep-text-link { font-size: 11px; color: var(--prep-ink); font-weight: 600; text-decoration: none; }
.prep-hero-stats { display: flex; gap: 26px; }
.prep-hero-stats > div { display: grid; gap: 5px; padding-right: 25px; border-right: 1px solid #d9dfeb; }
.prep-hero-stats > div:last-child { border: 0; padding: 0; }
.prep-hero-stats strong { font-size: 23px; font-weight: 700; }
.prep-hero-stats span { font-size: 10px; color: var(--prep-muted); }
.prep-playbook { background: linear-gradient(145deg, #242c49, #172239); color: #fff; border: 1px solid #384361; border-radius: 23px; padding: 27px; box-shadow: 0 24px 44px #222a4826; transform: rotate(1deg); }
.prep-playbook-top { display: flex; justify-content: space-between; gap: 10px; color: #c6cbe1; font-size: 9px; letter-spacing: 1.3px; }
.prep-live-dot { display: inline-block; width: 6px; height: 6px; background: #96e6c4; border-radius: 50%; margin-right: 6px; }
.prep-playbook h2 { font-size: 29px; line-height: 1.3; letter-spacing: -.8px; color: #fff; margin: 24px 0; }
.prep-playbook ol { list-style: none; padding: 0; margin: 0; }
.prep-playbook li { display: flex; align-items: center; gap: 14px; margin-bottom: 20px; }
.prep-step { display: grid; place-items: center; flex-shrink: 0; width: 36px; height: 36px; border: 1px solid #596080; border-radius: 10px; color: #d3c3ff; background: #ffffff08; font-size: 11px; }
.prep-playbook li strong { font-size: 11px; font-weight: 600; }
.prep-playbook li p { margin: 4px 0 0; color: #b8c1d6; font-size: 10px; line-height: 1.6; }
.prep-playbook-footer { border-top: 1px solid #ffffff20; padding-top: 17px; color: #cbd2e6; font-size: 10px; }
.prep-playbook-footer > span { color: #ad99ed; margin-right: 9px; }
.prep-explore { width: min(1540px, calc(100% - 60px)); padding-top: 48px; scroll-margin-top: 100px; }
.prep-section-heading { display: flex; justify-content: space-between; gap: 20px; align-items: end; margin-bottom: 26px; }
.prep-section-heading h2 { font-size: 26px; line-height: 1.3; letter-spacing: -.8px; color: var(--prep-ink); margin: 10px 0; }
.prep-section-heading p { color: var(--prep-muted); font-size: 12px; line-height: 1.7; margin: 0; }
.prep-free-note { white-space: nowrap; font-size: 10px; color: #477165; padding-bottom: 4px; }
.prep-toolbar { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 16px; margin-bottom: 25px; }
.prep-filters { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.prep-filters button { font: inherit; font-size: 11px; font-weight: 500; padding: 10px 15px; border: 1px solid #e0e4ed; background: #fff; color: #59667c; border-radius: 8px; cursor: pointer; }
.prep-filters button[aria-pressed="true"] { background: var(--prep-ink); color: #fff; border-color: var(--prep-ink); }
.prep-search { display: flex; align-items: center; gap: 11px; padding: 0 14px; background: #fff; border: 1px solid #dfe3ed; border-radius: 9px; color: #8490a3; min-height: 40px; }
.prep-search input { width: 190px; min-width: 0; background: transparent; border: 0; padding: 10px 0; font: inherit; font-size: 11px; color: var(--prep-ink); outline: none; }
.prep-search:focus-within { outline: 2px solid var(--prep-purple); outline-offset: 2px; }
.prep-search i { font-size: 12px; }
.prep-domain-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 18px; }
.prep-card { text-decoration: none; color: var(--prep-ink); border: 1px solid #e0e4ef; transition: transform .18s ease, box-shadow .18s ease; }
.prep-card:hover { transform: translateY(-4px); box-shadow: 0 12px 28px #26375c12; color: var(--prep-ink); }
.prep-domain-card { display: flex; flex-direction: column; min-height: 378px; box-sizing: border-box; padding: 25px 19px 18px; border-radius: 18px; background: #fff; }
.prep-tech-icon { display: block; width: 80px; height: 80px; object-fit: contain; margin: 0 auto 18px; }
.prep-start-link { display: inline-flex; align-items: center; gap: 16px; align-self: flex-start; margin: 0 0 23px; color: #713bff; font-size: 16px; font-weight: 600; text-decoration: none; }
.prep-start-link span { font-size: 22px; line-height: 1; }
.prep-start-link:hover { color: #5125c1; }
.prep-card-kicker { display: block; color: #778297; letter-spacing: 1.2px; font-size: 8px; font-weight: 600; }
.prep-domain-card h3 { font-size: 23px; font-weight: 700; line-height: 1.3; margin: 0 0 15px; color: var(--prep-ink); letter-spacing: -.5px; }
.prep-domain-card > p { color: var(--prep-muted); font-size: 16px; line-height: 1.8; margin: 0 0 28px; flex: 1; }
.prep-card-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; padding-top: 15px; border-top: 1px solid #e9ecf3; font-size: 14px; }
.prep-card-bottom a { color: var(--prep-muted); text-decoration: none; }
.prep-card-bottom a:hover { color: #713bff; }
.prep-topics-section { margin-top: 46px; }
.prep-topic-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.prep-topic-card { display: flex; align-items: center; gap: 14px; padding: 18px; border-radius: 12px; background: #fff; }
.prep-topic-symbol { display: grid; place-items: center; background: #f3f0fa; color: #8066b4; width: 42px; height: 42px; flex-shrink: 0; border-radius: 11px; font-family: monospace; font-size: 17px; }
.prep-topic-card h3 { font-size: 13px; line-height: 1.5; margin: 5px 0; color: var(--prep-ink); }
.prep-topic-card p { margin: 0; font-size: 10px; color: var(--prep-muted); }
.prep-topic-arrow { margin-left: auto; color: #8992a5; }
.prep-results { font-size: 12px; color: var(--prep-muted); margin-top: 20px; }
.prep-empty { text-align: center; padding: 40px 15px; background: #fff; border: 1px dashed #d6dceb; border-radius: 15px; }
.prep-empty p { margin: 12px 0 20px; color: var(--prep-muted); }
.prep-contribute { display: flex; justify-content: space-between; align-items: center; gap: 24px; padding: 30px; border: 1px solid #e2ddf0; border-radius: 16px; background: #eeebf7; margin-top: 45px; }
.prep-contribute h2 { font-size: 21px; letter-spacing: -.5px; margin: 9px 0; color: var(--prep-ink); }
.prep-contribute p { font-size: 12px; color: var(--prep-muted); margin: 0; }
.prep-contribute .prep-button { flex-shrink: 0; }
.prep-landing a:focus-visible, .prep-landing button:focus-visible { outline: 3px solid var(--prep-purple); outline-offset: 4px; }
@media (max-width: 1200px) { .prep-hero-grid { gap: 30px; } .prep-domain-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } .prep-topic-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 850px) { .prep-domain-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } .prep-hero-grid { grid-template-columns: 1fr; } .prep-playbook { transform: none; } .prep-hero { padding-top: 40px; } .prep-free-note { display: none; } .prep-contribute { align-items: start; flex-direction: column; } }
@media (max-width: 540px) { .prep-container { width: calc(100% - 32px); } .prep-hero h1 { font-size: 39px; letter-spacing: -1.8px; } .prep-hero-stats { gap: 15px; } .prep-hero-stats > div { padding-right: 15px; } .prep-hero-stats span { font-size: 9px; } .prep-domain-grid, .prep-topic-grid { grid-template-columns: 1fr; } .prep-search { width: 100%; } .prep-search input { width: 100%; } .prep-section-heading { align-items: start; flex-direction: column; gap: 8px; } .prep-section-heading h2 { font-size: 24px; } .prep-contribute { padding: 24px; } .prep-filters button { padding-inline: 12px; } }
@media (prefers-reduced-motion: reduce) { .prep-card { transition: none; } .prep-card:hover, .prep-button:hover { transform: none; } }