:root{--navy:#243b53;--text:#334e68;--muted:#627d98;--page:#f6f8fb;--border:#dfe7ef;--gold:#e1b954;--shadow:0 12px 32px rgba(36,59,83,.08)}
*{box-sizing:border-box}body{margin:0;color:var(--text);background:var(--page);font-family:Arial,Helvetica,sans-serif;line-height:1.65}a{color:inherit}
.announcement-bar{padding:10px 20px;color:var(--navy);background:var(--gold);text-align:center;font-weight:800}
.site-header{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:16px clamp(18px,5vw,70px);border-bottom:1px solid var(--border);background:white}
.logo{color:var(--navy);font-size:1.25rem;font-weight:900;text-decoration:none}.main-navigation{display:flex;flex-wrap:wrap;gap:8px}.main-navigation a{padding:8px 11px;border-radius:11px;color:var(--muted);font-weight:750;text-decoration:none}
.level-hero{--level-accent:#4f8f91;display:grid;grid-template-columns:1.2fr .8fr;align-items:center;gap:35px;width:min(1140px,calc(100% - 34px));margin:38px auto;padding:clamp(32px,5vw,62px);border:1px solid color-mix(in srgb,var(--level-accent) 24%,white);border-radius:32px;background:radial-gradient(circle at 90% 10%,color-mix(in srgb,var(--level-accent) 15%,transparent),transparent 32%),linear-gradient(135deg,white,color-mix(in srgb,var(--level-accent) 10%,white));box-shadow:var(--shadow)}
.level-label{color:var(--level-accent);font-weight:900;letter-spacing:.09em}.level-hero h1{margin:8px 0 12px;color:var(--navy);font-size:clamp(2.7rem,6vw,5rem);line-height:1.03}.level-hero p{max-width:690px}
.hero-path{position:relative;min-height:295px;border:1px solid var(--border);border-radius:28px;background:white;overflow:hidden}.path-line{position:absolute;left:50%;top:30px;bottom:30px;width:7px;border-radius:99px;background:linear-gradient(#4f8f91,#6673b8,#85658f,#b8833f);transform:translateX(-50%)}
.path-node{position:absolute;left:50%;display:grid;width:52px;height:52px;place-items:center;border:5px solid white;border-radius:50%;color:white;box-shadow:0 0 0 2px currentColor,var(--shadow);transform:translateX(-50%);font-weight:900}.path-node span{color:white}.path-one{top:24px;background:#4f8f91;color:#4f8f91}.path-two{top:88px;background:#6673b8;color:#6673b8}.path-three{top:152px;background:#85658f;color:#85658f}.path-four{top:216px;background:#b8833f;color:#b8833f}
.page-section{width:min(1140px,calc(100% - 34px));margin:44px auto}.section-heading{max-width:760px;margin:0 auto 25px;text-align:center}.section-heading h2{color:var(--navy);font-size:clamp(1.8rem,4vw,2.5rem)}
.form-grid,.topic-grid,.lesson-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.form-card{--form-accent:#4f8f91;display:flex;flex-direction:column;min-height:250px;padding:26px;border:1px solid color-mix(in srgb,var(--form-accent) 25%,white);border-radius:24px;background:white;box-shadow:var(--shadow);text-decoration:none}.form-number{color:var(--form-accent);font-weight:900;letter-spacing:.08em}.form-card h2{margin:10px 0;color:var(--navy)}.open-text{margin-top:auto;padding-top:18px;color:var(--form-accent);font-weight:900}
.topic-card{--topic-accent:#4f8f91;display:grid;grid-template-columns:66px 1fr auto;align-items:center;gap:18px;padding:22px;border:1px solid color-mix(in srgb,var(--topic-accent) 23%,white);border-radius:22px;background:white;box-shadow:var(--shadow);text-decoration:none}.topic-icon{display:grid;width:58px;height:58px;place-items:center;border-radius:17px;color:var(--navy);background:color-mix(in srgb,var(--topic-accent) 14%,white);font-size:1.7rem;font-weight:900}.topic-card h3{margin:0;color:var(--navy)}.topic-card p{margin:4px 0 0;color:var(--muted)}.topic-arrow{color:var(--topic-accent);font-size:1.35rem;font-weight:900}
.lesson-card{--topic-accent:#4f8f91;display:flex;flex-direction:column;min-height:180px;padding:22px;border:1px solid var(--border);border-radius:21px;background:white;box-shadow:var(--shadow);text-decoration:none}.lesson-number{color:var(--topic-accent);font-size:.85rem;font-weight:900;letter-spacing:.08em}.lesson-card h3{margin:11px 0 7px;color:var(--navy)}.lesson-card p{margin:0;color:var(--muted)}.lesson-open{margin-top:auto;padding-top:17px;color:var(--topic-accent);font-weight:900}
.notice{padding:20px 23px;border-left:5px solid var(--level-accent);border-radius:0 17px 17px 0;color:var(--navy);background:color-mix(in srgb,var(--level-accent) 10%,white)}.action-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}.action-button{display:inline-flex;padding:12px 17px;border:1px solid var(--level-accent);border-radius:13px;color:var(--level-accent);background:white;font-weight:850;text-decoration:none}.action-button.primary{color:white;background:var(--level-accent)}
.site-footer{margin-top:60px;padding:36px 20px;color:white;background:var(--navy);text-align:center}
@media(max-width:850px){.level-hero{grid-template-columns:1fr}.form-grid,.topic-grid,.lesson-grid{grid-template-columns:1fr}}@media(max-width:660px){.site-header{align-items:flex-start;flex-direction:column}.topic-card{grid-template-columns:58px 1fr}.topic-arrow{display:none}}