.serenity-page {
    --serenity-ink: #071a33;
    --serenity-muted: #5f7086;
    --serenity-line: #dce7f2;
    --serenity-blue: #2563eb;
    --serenity-mint: #0f9f83;
    padding: 44px 18px 86px;
    color: var(--serenity-ink);
    background:
        radial-gradient(circle at 8% 4%, rgba(45, 212, 191, 0.12), transparent 28%),
        radial-gradient(circle at 92% 12%, rgba(37, 99, 235, 0.11), transparent 30%),
        #f7fafc;
}

.serenity-shell { width: min(1160px, 100%); margin: 0 auto; }
.serenity-breadcrumb { display: flex; align-items: center; gap: 8px; margin-bottom: 24px; color: var(--serenity-muted); font-size: 0.78rem; }
.serenity-breadcrumb a { color: inherit; text-decoration: none; }
.serenity-breadcrumb a:hover { color: var(--serenity-blue); }
.serenity-hero { display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(290px, 0.72fr); align-items: center; gap: 42px; padding: clamp(30px, 5vw, 62px); overflow: hidden; border: 1px solid rgba(255, 255, 255, 0.12); border-radius: 30px; color: #fff; background: radial-gradient(circle at 85% 15%, rgba(45, 212, 191, 0.26), transparent 34%), linear-gradient(145deg, #06162c, #0d3158); box-shadow: 0 30px 80px rgba(7, 26, 51, 0.16); }
.serenity-kicker { margin: 0 0 9px; color: var(--serenity-mint); font-size: 0.72rem; font-weight: 800; letter-spacing: 0.1em; text-transform: uppercase; }
.serenity-hero .serenity-kicker, .serenity-closing .serenity-kicker { color: #71ead1; }
.serenity-hero h1 { max-width: 760px; margin: 0; font-size: clamp(2.55rem, 6vw, 5.25rem); line-height: 0.96; letter-spacing: -0.055em; }
.serenity-hero-copy > p:not(.serenity-kicker) { max-width: 720px; margin: 22px 0 0; color: rgba(255, 255, 255, 0.72); font-size: 1rem; line-height: 1.75; }
.serenity-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.serenity-button { display: inline-flex; align-items: center; justify-content: center; min-height: 47px; padding: 12px 18px; border: 1px solid transparent; border-radius: 13px; font-size: 0.85rem; font-weight: 780; text-decoration: none; transition: transform 160ms ease, box-shadow 160ms ease; }
.serenity-button:hover, .serenity-button:focus-visible { transform: translateY(-2px); }
.serenity-button-primary { color: #05251f; background: #71ead1; box-shadow: 0 12px 25px rgba(45, 212, 191, 0.2); }
.serenity-button-secondary { color: #fff; border-color: rgba(255, 255, 255, 0.25); background: rgba(255, 255, 255, 0.08); }
.serenity-compass { padding: 22px; border: 1px solid rgba(255, 255, 255, 0.14); border-radius: 22px; background: rgba(255, 255, 255, 0.07); backdrop-filter: blur(8px); }
.serenity-compass > span { display: block; margin-bottom: 13px; color: rgba(255, 255, 255, 0.58); font-size: 0.68rem; font-weight: 800; letter-spacing: 0.08em; text-transform: uppercase; }
.serenity-compass ol { display: grid; gap: 9px; margin: 0; padding: 0; list-style: none; }
.serenity-compass li { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; padding: 12px 14px; border-radius: 13px; background: rgba(255, 255, 255, 0.08); }
.serenity-compass strong { color: #fff; font-size: 0.88rem; }
.serenity-compass small { color: rgba(255, 255, 255, 0.58); text-align: right; }
.serenity-intro { display: grid; grid-template-columns: 0.8fr 1fr; align-items: end; gap: 52px; padding: 76px 26px 42px; }
.serenity-intro h2, .serenity-roadmap h2, .serenity-closing h2 { margin: 0; font-size: clamp(1.85rem, 4vw, 3.05rem); line-height: 1.05; letter-spacing: -0.035em; }
.serenity-intro > p { margin: 0; color: var(--serenity-muted); line-height: 1.75; }
.serenity-sections { display: grid; gap: 16px; }
.serenity-topic { display: grid; grid-template-columns: 86px 1fr; gap: 26px; padding: clamp(24px, 4vw, 42px); border: 1px solid var(--serenity-line); border-radius: 22px; background: rgba(255, 255, 255, 0.94); box-shadow: 0 14px 40px rgba(28, 58, 92, 0.055); }
.serenity-topic-index { color: #b8c8da; font-size: 2rem; font-weight: 850; letter-spacing: -0.04em; }
.serenity-topic-copy { max-width: 880px; }
.serenity-topic h2 { margin: 0 0 17px; font-size: clamp(1.45rem, 3vw, 2.15rem); line-height: 1.12; letter-spacing: -0.025em; }
.serenity-topic-copy > p:not(.serenity-kicker) { margin: 0 0 13px; color: var(--serenity-muted); line-height: 1.75; }
.serenity-topic-copy a { color: #1556b8; font-weight: 740; text-decoration-color: #a9c8ef; text-underline-offset: 3px; }
.serenity-topic-copy a:hover, .serenity-topic-copy a:focus-visible { color: #0c3d89; text-decoration-color: currentColor; }
.serenity-check { display: grid; grid-template-columns: auto 1fr; gap: 12px; margin-top: 20px; padding: 13px 15px; border-left: 3px solid var(--serenity-mint); border-radius: 0 12px 12px 0; background: #f0faf7; }
.serenity-check strong { color: #08705e; font-size: 0.76rem; }
.serenity-check span { color: #35556a; font-size: 0.8rem; line-height: 1.5; }
.serenity-roadmap { display: grid; grid-template-columns: 0.75fr 1.25fr; gap: 44px; margin-top: 60px; padding: clamp(28px, 5vw, 50px); border-radius: 26px; color: #fff; background: linear-gradient(145deg, #0b2a4c, #154e6d); }
.serenity-roadmap ol { display: grid; gap: 10px; margin: 0; padding: 0; list-style: none; }
.serenity-roadmap li { display: grid; grid-template-columns: 44px 1fr; gap: 13px; padding: 13px; border-radius: 13px; background: rgba(255, 255, 255, 0.07); }
.serenity-roadmap li > span { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 10px; color: #052d27; background: #71ead1; font-size: 0.72rem; font-weight: 850; }
.serenity-roadmap strong, .serenity-roadmap p { display: block; }
.serenity-roadmap strong { color: #fff; font-size: 0.88rem; }
.serenity-roadmap p { margin: 3px 0 0; color: rgba(255, 255, 255, 0.62); font-size: 0.78rem; line-height: 1.5; }
.serenity-disclosure { margin: 22px 0 0; padding: 18px 20px; border: 1px solid var(--serenity-line); border-radius: 16px; color: var(--serenity-muted); background: #fff; font-size: 0.76rem; line-height: 1.55; }
.serenity-disclosure strong { display: block; margin-bottom: 3px; color: var(--serenity-ink); }
.serenity-disclosure p { margin: 0; }
.serenity-closing { display: flex; align-items: center; justify-content: space-between; gap: 30px; margin-top: 22px; padding: clamp(28px, 5vw, 48px); border-radius: 26px; color: #fff; background: #071a33; }
.serenity-closing > div:first-child { max-width: 680px; }
.serenity-closing .serenity-actions { flex: 0 0 auto; margin-top: 0; }

@media (max-width: 820px) {
    .serenity-hero, .serenity-intro, .serenity-roadmap { grid-template-columns: 1fr; }
    .serenity-compass { max-width: 460px; }
    .serenity-intro { gap: 18px; padding-inline: 10px; }
    .serenity-closing { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 560px) {
    .serenity-page { padding: 30px 14px 64px; }
    .serenity-hero { padding: 27px 20px; border-radius: 23px; }
    .serenity-hero h1 { font-size: clamp(2.55rem, 14vw, 3.65rem); }
    .serenity-actions, .serenity-button { width: 100%; }
    .serenity-topic { grid-template-columns: 1fr; gap: 9px; padding: 24px 19px; }
    .serenity-topic-index { font-size: 1.3rem; }
    .serenity-check { grid-template-columns: 1fr; }
    .serenity-roadmap, .serenity-closing { padding: 26px 20px; border-radius: 21px; }
}

@media (prefers-reduced-motion: reduce) {
    .serenity-button { transition-duration: 0.01ms; }
}