:root {
    --bg: #faf7f5;
    --bg-alt: #f2ecf3;
    --ink: #2a2230;
    --ink-soft: #5d5266;
    --rule: #ddd2e2;
    --purple: #5b3a78;
    --purple-deep: #3d2552;
    --purple-light: #9a7bb5;
    --sea: #2f5f7a;
    --on-purple: #ffffff;
    --card: #ffffff;
    --shadow: 0 18px 40px -18px rgba(61, 37, 82, .35);
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --bg: #17121c;
        --bg-alt: #1f1827;
        --ink: #eee8f2;
        --ink-soft: #b5a9bf;
        --rule: #3a2f45;
        --purple: #b897d6;
        --purple-deep: #d6c1ea;
        --purple-light: #8a6aa8;
        --sea: #8fb8cf;
        --on-purple: #17121c;
        --card: #221a2b;
        --shadow: 0 18px 40px -18px rgba(0, 0, 0, .7);
    }
}

:root[data-theme="dark"] {
    --bg: #17121c;
    --bg-alt: #1f1827;
    --ink: #eee8f2;
    --ink-soft: #b5a9bf;
    --rule: #3a2f45;
    --purple: #b897d6;
    --purple-deep: #d6c1ea;
    --purple-light: #8a6aa8;
    --sea: #8fb8cf;
    --on-purple: #17121c;
    --card: #221a2b;
    --shadow: 0 18px 40px -18px rgba(0,0,0,.7);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    font: 400 17px/1.65 "Inter", system-ui, sans-serif;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, .serif {
    font-family: "Cormorant Garamond", Georgia, serif;
    font-weight: 500;
}

a {
    color: var(--purple);
}

.wrap {
    max-width: 1080px;
    margin: 0 auto;
    padding: 0 24px;
}

@media (max-width: 600px) {
    .wrap {
        padding: 0 16px;
    }
}

/* Nav */
nav {
    position: sticky;
    top: 0;
    z-index: 10;
    background: color-mix(in srgb, var(--bg) 88%, transparent);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--rule);
}

    nav .wrap {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 60px;
    }

.brand {
    font-family: "Cormorant Garamond", serif;
    font-size: 1.6rem;
    letter-spacing: .08em;
    color: var(--purple);
    text-decoration: none;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 24px;
    margin: 0;
    padding: 0;
    font-size: .9rem;
}

    nav ul a {
        color: var(--ink-soft);
        text-decoration: none;
    }

        nav ul a:hover {
            color: var(--purple);
        }

@media (max-width: 600px) {
    nav ul {
        gap: 14px;
        font-size: .82rem;
    }
}

/* Hero */
.hero {
    position: relative;
    overflow: hidden;
    background: radial-gradient(1200px 500px at 85% -10%, color-mix(in srgb, var(--purple-light) 30%, transparent), transparent 60%), radial-gradient(900px 500px at -10% 110%, color-mix(in srgb, var(--sea) 18%, transparent), transparent 60%), var(--bg);
    padding: 72px 0 88px;
}

    .hero .wrap {
        display: grid;
        grid-template-columns: 340px 1fr;
        gap: 64px;
        align-items: center;
    }

@media (max-width: 820px) {
    .hero {
        padding: 40px 0 56px;
    }

        .hero .wrap {
            grid-template-columns: 1fr;
            gap: 36px;
            text-align: center;
        }
}

.cover {
    margin: 0;
    justify-self: center;
    width: 100%;
    max-width: 340px;
}

    .cover img, .cover-placeholder {
        display: block;
        width: 100%;
        aspect-ratio: 2 / 3;
        border-radius: 4px 10px 10px 4px;
        box-shadow: var(--shadow);
    }

    .cover img {
        object-fit: cover;
    }

.cover-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: linear-gradient(160deg, var(--purple-light), var(--purple-deep));
    color: #fff;
    text-align: center;
    padding: 24px;
    border: 2px dashed rgba(255,255,255,.45);
}

    .cover-placeholder .t {
        font-family: "Cormorant Garamond", serif;
        font-size: 3rem;
        letter-spacing: .12em;
    }

    .cover-placeholder .s {
        font-size: .78rem;
        letter-spacing: .12em;
        text-transform: uppercase;
        opacity: .8;
    }

.eyebrow {
    font-size: .78rem;
    letter-spacing: .18em;
    text-transform: uppercase;
    color: var(--sea);
    font-weight: 600;
    margin: 0 0 12px;
}

.hero h1 {
    font-size: clamp(3.6rem, 9vw, 6.4rem);
    line-height: .95;
    margin: 0 0 8px;
    color: var(--purple-deep);
    letter-spacing: .02em;
}

.byline {
    font-family: "Cormorant Garamond", serif;
    font-size: 1.4rem;
    font-style: italic;
    color: var(--ink-soft);
    margin: 0 0 28px;
}

.tagline {
    font-size: 1.12rem;
    color: var(--ink);
    max-width: 34em;
    margin: 0 0 32px;
}

@media (max-width: 820px) {
    .tagline {
        margin-left: auto;
        margin-right: auto;
    }
}

.buy {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}

@media (max-width: 820px) {
    .buy {
        justify-content: center;
    }
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 26px;
    border-radius: 999px;
    font-weight: 600;
    font-size: .98rem;
    text-decoration: none;
    transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}

    .btn:hover {
        transform: translateY(-2px);
        box-shadow: var(--shadow);
    }

    .btn:focus-visible {
        outline: 3px solid var(--purple-light);
        outline-offset: 3px;
    }

.btn-primary {
    background: var(--purple);
    color: var(--on-purple);
}

.btn-secondary {
    background: transparent;
    color: var(--purple);
    border: 2px solid var(--purple);
}

.btn svg {
    width: 18px;
    height: 18px;
}

/* Sections */
section {
    padding: 88px 0;
}

    section.alt {
        background: var(--bg-alt);
    }

@media (max-width: 600px) {
    section {
        padding: 56px 0;
    }
}

.section-head {
    text-align: center;
    margin-bottom: 48px;
}

    .section-head h2 {
        font-size: clamp(2.2rem, 5vw, 3rem);
        margin: 0;
        color: var(--purple-deep);
    }

    .section-head p {
        color: var(--ink-soft);
        margin: 8px 0 0;
    }

/* About */
.blurb {
    max-width: 680px;
    margin: 0 auto;
    font-family: "Cormorant Garamond", serif;
    font-size: 1.32rem;
    line-height: 1.6;
}

    .blurb p {
        margin: 0 0 1.1em;
    }

    .blurb .drop::first-letter {
        float: left;
        font-size: 4.2rem;
        line-height: .85;
        padding: 6px 10px 0 0;
        color: var(--purple);
    }

    .blurb .kicker {
        text-align: center;
        font-style: italic;
        color: var(--purple);
        font-size: 1.6rem;
        margin-top: 1.6em;
    }

.facts {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    max-width: 760px;
    margin: 56px auto 0;
}

@media (max-width: 640px) {
    .facts {
        grid-template-columns: 1fr;
    }
}

.fact {
    background: var(--card);
    border: 1px solid var(--rule);
    border-radius: 12px;
    padding: 20px;
    text-align: center;
}

    .fact .k {
        font-size: .74rem;
        letter-spacing: .14em;
        text-transform: uppercase;
        color: var(--ink-soft);
    }

    .fact .v {
        font-family: "Cormorant Garamond", serif;
        font-size: 1.45rem;
        color: var(--purple-deep);
        margin-top: 4px;
    }

/* Chapters */
.part {
    max-width: 820px;
    margin: 0 auto 56px;
}

    .part:last-child {
        margin-bottom: 0;
    }

.part-head {
    display: flex;
    align-items: baseline;
    gap: 16px;
    border-bottom: 1px solid var(--rule);
    padding-bottom: 12px;
    margin-bottom: 8px;
    flex-wrap: wrap;
}

    .part-head h3 {
        font-size: 1.9rem;
        margin: 0;
        color: var(--purple);
    }

    .part-head span {
        color: var(--ink-soft);
        font-size: .9rem;
    }

ol.chapters {
    list-style: none;
    margin: 0;
    padding: 0;
}

    ol.chapters li {
        display: grid;
        grid-template-columns: 56px 1fr;
        gap: 16px;
        padding: 22px 0;
        border-bottom: 1px solid var(--rule);
    }

        ol.chapters li:last-child {
            border-bottom: 0;
        }

.num {
    font-family: "Cormorant Garamond", serif;
    font-size: 2.2rem;
    line-height: 1;
    color: var(--purple-light);
}

.ch-title {
    font-family: "Cormorant Garamond", serif;
    font-size: 1.5rem;
    margin: 0;
    color: var(--ink);
}

    .ch-title em {
        font-size: 1.05rem;
        color: var(--ink-soft);
        margin-left: 6px;
    }

.ch-sum {
    margin: 6px 0 0;
    color: var(--ink-soft);
}

/* Song */
.song {
    background: linear-gradient(135deg, var(--purple-deep), var(--purple) 55%, var(--sea));
    color: #fff;
    text-align: center;
}

:root[data-theme="dark"] .song, .song {
    --song-ink: #fff;
}

    .song h2 {
        font-size: clamp(2.2rem, 5vw, 3rem);
        margin: 0 0 12px;
        color: #fff;
    }

    .song p {
        max-width: 560px;
        margin: 0 auto 32px;
        color: rgba(255,255,255,.88);
    }

    .song .btn {
        background: #fff;
        color: #3d2552;
    }

    .song .note {
        font-family: "Cormorant Garamond", serif;
        font-style: italic;
        font-size: 1.35rem;
        color: rgba(255,255,255,.9);
        margin-bottom: 18px;
    }

/* Final CTA + footer */
.cta {
    text-align: center;
}

    .cta h2 {
        font-size: clamp(2rem, 4.5vw, 2.6rem);
        margin: 0 0 24px;
        color: var(--purple-deep);
    }

    .cta .buy {
        justify-content: center;
    }

footer {
    border-top: 1px solid var(--rule);
    padding: 32px 0;
    text-align: center;
    color: var(--ink-soft);
    font-size: .88rem;
}

    footer p {
        margin: 4px 0;
    }