:root {
    --ca-navy: #1b2a4a;
    --ca-cream: #f4efe4;
    --ca-herb: #3d5a3d;
    --ca-brass: #a77810;
    --ca-slate: #333a42;
    --ca-muted: #5c6570;
    --ca-line: #ddd6c8;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    background: var(--ca-cream);
    color: var(--ca-slate);
    font-family: "IBM Plex Sans", system-ui, sans-serif;
    line-height: 1.55;
}

.ca-wrap { max-width: 1020px; margin: 0 auto; padding: 0 32px; }

.ca-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    padding: 30px 0 12px;
}

.ca-mark, .ca-eyebrow, .ca-kicker {
    color: var(--ca-brass);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .15em;
    text-transform: uppercase;
}

a.ca-mark { color: var(--ca-brass); text-decoration: none; }
.ca-back { color: var(--ca-navy); font-size: 14px; text-decoration-thickness: 1px; text-underline-offset: 3px; }

.ca-hero { padding: 48px 0 22px; }
.ca-hero h1, .ca-section h2, .ca-close h2 {
    color: var(--ca-navy);
    font-family: "Instrument Serif", Georgia, serif;
    font-weight: 400;
    letter-spacing: -.025em;
}

.ca-hero h1 {
    font-size: clamp(48px, 8vw, 82px);
    line-height: .92;
    margin: 10px 0 25px;
    max-width: 13ch;
}

.ca-lede { font-size: 19px; max-width: 42em; margin: 0 0 32px; }

.ca-player {
    aspect-ratio: 16 / 9;
    background: var(--ca-navy);
    border-radius: 8px;
    overflow: hidden;
    position: relative;
}

.ca-player > img { display: block; height: 100%; object-fit: cover; opacity: .66; width: 100%; }
.ca-player-shade { background: linear-gradient(180deg, rgba(12, 25, 44, .04) 8%, rgba(12, 25, 44, .9) 100%); inset: 0; position: absolute; }
.ca-player--playing {
    margin-bottom: 42px;
    overflow: visible;
}

.ca-player--playing iframe {
    border: 0;
    border-radius: inherit;
    inset: 0;
    position: absolute;
    height: 100%;
    width: 100%;
}

.ca-video-fallback {
    color: var(--ca-muted);
    font-size: 13px;
    left: 0;
    margin: 0;
    position: absolute;
    top: calc(100% + 10px);
}
.ca-video-fallback a { color: var(--ca-navy); text-underline-offset: 3px; }

.ca-player-content {
    bottom: 0;
    color: #fff;
    left: 0;
    max-width: 720px;
    padding: clamp(24px, 5vw, 48px);
    position: absolute;
}

.ca-player-label { font-size: 12px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.ca-player h2 { font-family: "Instrument Serif", Georgia, serif; font-size: clamp(31px, 4vw, 48px); font-weight: 400; line-height: 1; margin: 8px 0; }
.ca-player p { margin: 0 0 16px; }

.ca-play-button {
    background: #fff;
    border: 0;
    border-radius: 2px;
    color: var(--ca-navy);
    cursor: pointer;
    font-family: inherit;
    font-size: 14px;
    font-weight: 700;
    padding: 12px 17px;
}

.ca-play-button:hover, .ca-play-button:focus-visible { background: #eee6d6; outline: 3px solid rgba(255, 255, 255, .35); outline-offset: 3px; }
.ca-video-status { font-size: 13px; opacity: .82; margin-top: 12px !important; }

.ca-section { padding: 74px 0 12px; }
.ca-section h2, .ca-close h2 { font-size: clamp(38px, 5vw, 52px); line-height: 1; margin: 8px 0 20px; }
.ca-section-intro { max-width: 690px; }
.ca-section-intro > p:not(.ca-kicker), .ca-close-copy > p:not(.ca-kicker) { font-size: 17px; }

.ca-grid { display: grid; gap: 16px; grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 34px; }
.ca-card { background: #fffdf8; border: 1px solid #e3ddd0; border-radius: 5px; padding: 24px; }
.ca-card h3 { color: var(--ca-brass); font-size: 12px; letter-spacing: .1em; margin: 0 0 8px; text-transform: uppercase; }
.ca-card p { font-size: 15px; margin: 0; }

.ca-chapter-intro { margin: 0; }
.ca-chapter-list { border-top: 1px solid var(--ca-line); list-style: none; margin: 26px 0 0; padding: 0; }
.ca-chapter-list li { border-bottom: 1px solid var(--ca-line); display: grid; gap: 16px; grid-template-columns: 52px 1fr; padding: 17px 0; }
.ca-chapter-list li > span { color: var(--ca-navy); font-family: "Instrument Serif", Georgia, serif; font-size: 25px; line-height: 1; }
.ca-chapter-list strong { color: var(--ca-navy); display: block; font-size: 16px; }
.ca-chapter-list em { color: var(--ca-muted); display: block; font-size: 14px; font-style: normal; margin-top: 2px; }

.ca-close { align-items: center; display: grid; gap: 42px; grid-template-columns: 1.05fr .95fr; padding: 88px 0 68px; }
.ca-close img { border-radius: 6px; display: block; width: 100%; }
.ca-return-link { color: var(--ca-navy); display: inline-block; font-size: 15px; font-weight: 700; margin-top: 10px; text-decoration-thickness: 1px; text-underline-offset: 4px; }

.ca-footer { border-top: 1px solid var(--ca-line); color: var(--ca-muted); font-size: 14px; padding: 28px 0 50px; }
.ca-footer p { margin: 0 0 6px; }
.ca-footer .ca-mark { color: var(--ca-brass); }
.ca-fine { max-width: 46em; }

@media (max-width: 680px) {
    .ca-wrap { padding: 0 20px; }
    .ca-header { align-items: flex-start; flex-direction: column; gap: 10px; padding-top: 20px; }
    .ca-hero { padding-top: 34px; }
    .ca-hero h1 { font-size: clamp(43px, 15vw, 62px); }
    .ca-lede { font-size: 17px; }
    .ca-player { aspect-ratio: 16 / 9; }
    .ca-player-content { padding: 23px; }
    .ca-player h2 { font-size: 35px; }
    .ca-section { padding-top: 58px; }
    .ca-grid, .ca-close { grid-template-columns: 1fr; }
    .ca-close { gap: 28px; padding: 66px 0 48px; }
}