:root {
    --ink: #07101d;
    --ink-deep: #040a12;
    --ink-soft: #0c1928;
    --blue: #24538a;
    --moon: #dce9f5;
    --paper: #f1f0e8;
    --gold: #d3a85d;
    --gold-light: #f0d69d;
    --line: rgba(220, 233, 245, 0.16);
    --serif: Georgia, "Times New Roman", serif;
    --sans: "Avenir Next", Avenir, "Segoe UI", sans-serif;
    --header-height: 78px;
}

* { box-sizing: border-box; }

html {
    background: var(--ink);
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-width: 320px;
    background: var(--ink);
    color: var(--moon);
    font-family: var(--sans);
    font-size: 16px;
    line-height: 1.7;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: 100;
    pointer-events: none;
    opacity: 0.04;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.7'/%3E%3C/svg%3E");
}

a { color: inherit; }
button, input { font: inherit; }
::selection { background: var(--gold); color: var(--ink); }

.skip-link {
    position: fixed;
    top: -5rem;
    left: 1rem;
    z-index: 1000;
    padding: 0.7rem 1rem;
    background: var(--paper);
    color: var(--ink);
    transition: top 0.2s ease;
}

.skip-link:focus { top: 1rem; }

.site-header {
    position: fixed;
    inset: 0 0 auto;
    z-index: 50;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
    padding: 0 4vw;
    border-bottom: 1px solid transparent;
    transition: background 0.3s ease, border-color 0.3s ease, backdrop-filter 0.3s ease;
}

.site-header.scrolled,
.site-header.open,
.interior-header {
    background: rgba(7, 16, 29, 0.88);
    border-color: var(--line);
    backdrop-filter: blur(18px);
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.7rem;
    color: var(--paper);
    font-family: var(--serif);
    font-size: 0.94rem;
    letter-spacing: 0.13em;
    text-decoration: none;
    text-transform: uppercase;
}

.brand-mark {
    display: grid;
    place-items: center;
    width: 34px;
    height: 34px;
    border: 1px solid rgba(240, 214, 157, 0.65);
    border-radius: 50%;
    color: var(--gold-light);
    font-size: 1.02rem;
    font-style: italic;
}

.site-nav {
    display: flex;
    gap: clamp(1.3rem, 3vw, 3rem);
}

.site-nav a {
    position: relative;
    color: rgba(241, 240, 232, 0.72);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.13em;
    text-decoration: none;
    text-transform: uppercase;
}

.site-nav a::after {
    content: "";
    position: absolute;
    right: 0;
    bottom: -0.45rem;
    left: 0;
    height: 1px;
    background: var(--gold);
    transform: scaleX(0);
    transition: transform 0.22s ease;
}

.site-nav a:hover,
.site-nav a:focus-visible,
.site-nav a[aria-current="page"] { color: var(--paper); }

.site-nav a:hover::after,
.site-nav a:focus-visible::after,
.site-nav a[aria-current="page"]::after { transform: scaleX(1); }

.menu-toggle { display: none; }

.home-page { overflow: hidden; }
.home-main { min-height: 100svh; }

.home-hero {
    position: relative;
    display: grid;
    align-items: center;
    min-height: 100svh;
    padding: calc(var(--header-height) + 3rem) 7vw 3rem 5vw;
    isolation: isolate;
    overflow: hidden;
}

.home-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -4;
    background: linear-gradient(110deg, #040a12 0%, #07101d 52%, #0a1d32 100%);
}

.hero-artwork {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    z-index: -3;
    width: min(68vw, 1050px);
    background-image: url("assets/the-wakeful-hour-cover-two-magpies.png");
    background-position: 100% 24%;
    background-repeat: no-repeat;
    background-size: auto 145%;
    -webkit-mask-image:
        linear-gradient(to right, transparent 0%, rgba(0, 0, 0, 0.2) 9%, #000 34%),
        linear-gradient(to bottom, transparent 0%, #000 7%, #000 93%, transparent 100%);
    -webkit-mask-composite: source-in;
    mask-image:
        linear-gradient(to right, transparent 0%, rgba(0, 0, 0, 0.2) 9%, #000 34%),
        linear-gradient(to bottom, transparent 0%, #000 7%, #000 93%, transparent 100%);
    mask-composite: intersect;
}

.hero-atmosphere {
    position: absolute;
    inset: 0;
    z-index: -2;
    background:
        linear-gradient(90deg, rgba(4, 10, 18, 0.98) 0%, rgba(4, 10, 18, 0.86) 31%, rgba(4, 10, 18, 0.18) 62%, rgba(4, 10, 18, 0.06) 100%),
        linear-gradient(0deg, rgba(4, 10, 18, 0.42), transparent 34%);
    pointer-events: none;
}

.home-copy {
    width: min(48vw, 700px);
    padding-top: 1rem;
}

.eyebrow {
    margin: 0 0 1.15rem;
    color: var(--gold-light);
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.24em;
    text-transform: uppercase;
}

.series-line {
    margin: 0 0 0.7rem;
    color: rgba(220, 233, 245, 0.62);
    font-size: 0.74rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

h1, h2, h3 {
    font-family: var(--serif);
    font-weight: 400;
    line-height: 0.98;
}

h1 em, h2 em { color: var(--gold-light); font-weight: 400; }

.visually-hidden {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0 0 0 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

.title-artwork {
    display: block;
    width: min(82%, 500px);
    height: auto;
    margin: -0.35rem 0 -0.5rem -0.85rem;
    filter: drop-shadow(0 4px 4px rgba(0, 0, 0, 0.62));
}

.home-copy h1 {
    margin: 0;
    font-size: clamp(4.4rem, 8vw, 8.4rem);
    letter-spacing: -0.06em;
}

.hero-tagline {
    margin: 1.3rem 0 0;
    color: var(--paper);
    font-family: var(--serif);
    font-size: clamp(1.25rem, 1.8vw, 1.8rem);
    font-style: italic;
    line-height: 1.35;
}

.hero-intro {
    max-width: 590px;
    margin: 1.25rem 0 0;
    color: rgba(220, 233, 245, 0.72);
    font-size: clamp(0.92rem, 1.05vw, 1.04rem);
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: 2rem;
    margin-top: 1.8rem;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 50px;
    padding: 0.8rem 1.4rem;
    border: 1px solid transparent;
    border-radius: 2px;
    cursor: pointer;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.13em;
    text-decoration: none;
    text-transform: uppercase;
    transition: transform 0.2s ease, background 0.2s ease;
}

.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--gold-light); color: var(--ink); }
.button-primary:hover, .button-primary:focus-visible { background: var(--paper); }

.text-link {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    color: var(--paper);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-decoration: none;
    text-transform: uppercase;
}

.text-link span { color: var(--gold); font-size: 1.1rem; transition: transform 0.2s ease; }
.text-link:hover span { transform: translateX(4px); }

.release-note {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    margin: 1.4rem 0 0;
    color: rgba(220, 233, 245, 0.62);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.release-note span {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--gold);
    box-shadow: 0 0 15px var(--gold);
}

.interior-page { background: var(--ink); }

.page-masthead {
    position: relative;
    display: grid;
    align-items: end;
    min-height: 58svh;
    padding: calc(var(--header-height) + 6rem) 9vw 5rem;
    background:
        linear-gradient(90deg, rgba(4, 10, 18, 0.97), rgba(4, 10, 18, 0.62)),
        url("assets/the-wakeful-hour-cover-two-magpies.png") center 28% / cover;
    overflow: hidden;
}

.page-masthead::after {
    content: "";
    position: absolute;
    inset: auto 0 0;
    height: 35%;
    background: linear-gradient(transparent, var(--ink));
}

.masthead-copy { position: relative; z-index: 1; max-width: 900px; }
.masthead-copy h1 {
    margin: 0;
    color: var(--paper);
    font-size: clamp(4rem, 9vw, 9rem);
    letter-spacing: -0.06em;
}
.masthead-copy > p:last-child {
    max-width: 680px;
    margin: 1.5rem 0 0;
    color: var(--gold-light);
    font-family: var(--serif);
    font-size: clamp(1.25rem, 2vw, 1.8rem);
    font-style: italic;
}

.reading-page {
    max-width: 1200px;
    margin: 0 auto;
    padding: clamp(5rem, 9vw, 9rem) 7vw;
}

.reading-lead {
    max-width: 950px;
    margin-bottom: clamp(4rem, 7vw, 7rem);
    color: var(--paper);
    font-family: var(--serif);
    font-size: clamp(2rem, 4.4vw, 4.2rem);
    line-height: 1.2;
}

.reading-lead p { margin: 0; }

.reading-columns {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: clamp(3rem, 8vw, 8rem);
    color: rgba(220, 233, 245, 0.72);
}

.reading-columns p:first-child { margin-top: 0; }
.reading-columns strong { color: var(--gold-light); font-family: var(--serif); font-size: 1.25em; font-style: italic; font-weight: 400; }
.reading-columns .turn { margin: 2.5rem 0; color: var(--gold-light); font-family: var(--serif); font-size: 1.5rem; font-style: italic; }

.feature-quote {
    max-width: 970px;
    margin: clamp(6rem, 10vw, 10rem) auto;
    padding: 0;
    border: 0;
    text-align: center;
}

.feature-quote p {
    margin: 0;
    color: var(--paper);
    font-family: var(--serif);
    font-size: clamp(2.5rem, 5vw, 5.2rem);
    font-style: italic;
    line-height: 1.08;
    letter-spacing: -0.04em;
}

.book-summary {
    max-width: 850px;
    margin: 8rem auto 0;
    padding: clamp(2rem, 5vw, 4rem);
    border: 1px solid rgba(211, 168, 93, 0.25);
    background: rgba(16, 40, 67, 0.3);
    text-align: center;
}

.book-summary > p:first-child { color: rgba(220, 233, 245, 0.75); font-size: 1.08rem; }
.signature-line { color: var(--gold-light); font-family: var(--serif); font-size: 1.5rem; font-style: italic; }
.book-summary .button { margin-top: 1rem; }

.universe-page {
    position: relative;
    display: grid;
    grid-template-columns: 1.2fr 0.6fr;
    gap: 9vw;
    align-items: center;
    min-height: calc(100svh - 110px);
    padding: calc(var(--header-height) + 5rem) 9vw 6rem;
    background: radial-gradient(circle at 70% 50%, #1c4974, #081523 38%, #050c15 67%);
    overflow: hidden;
}

.universe-copy { position: relative; z-index: 2; max-width: 760px; }
.universe-copy h1, .author-copy h1, .newsletter-panel h1 {
    margin: 0 0 2rem;
    color: var(--paper);
    font-size: clamp(4.3rem, 9vw, 9rem);
    letter-spacing: -0.065em;
}

.large-copy { color: var(--paper) !important; font-family: var(--serif); font-size: clamp(1.4rem, 2.2vw, 2rem) !important; line-height: 1.5; }
.universe-copy > p:not(.eyebrow) { max-width: 650px; color: rgba(220, 233, 245, 0.7); }
.universe-copy .button { margin-top: 1.5rem; }

.universe-orbits {
    position: absolute;
    right: -15vw;
    width: 65vw;
    aspect-ratio: 1;
    border: 1px solid rgba(220, 233, 245, 0.1);
    border-radius: 50%;
}
.universe-orbits::before, .universe-orbits::after {
    content: "";
    position: absolute;
    border: 1px solid rgba(220, 233, 245, 0.09);
    border-radius: 50%;
}
.universe-orbits::before { inset: 15%; }
.universe-orbits::after { inset: 31%; }
.universe-orbits span { position: absolute; width: 7px; height: 7px; border-radius: 50%; background: var(--gold-light); box-shadow: 0 0 22px var(--gold); }
.universe-orbits span:nth-child(1) { top: 20%; left: 14%; }
.universe-orbits span:nth-child(2) { top: 69%; left: 18%; }
.universe-orbits span:nth-child(3) { top: 47%; left: 48%; }

.series-card {
    position: relative;
    z-index: 2;
    padding: 2.2rem;
    border: 1px solid rgba(240, 214, 157, 0.25);
    background: rgba(7, 16, 29, 0.58);
    backdrop-filter: blur(12px);
}
.series-card > span { color: rgba(220, 233, 245, 0.52); font-size: 0.65rem; letter-spacing: 0.14em; text-transform: uppercase; }
.series-card h2 { margin: 1rem 0; color: var(--paper); font-size: clamp(2.2rem, 4vw, 3.7rem); }
.series-card p { color: var(--gold-light); font-family: var(--serif); font-style: italic; }

.author-page {
    display: grid;
    grid-template-columns: minmax(280px, 0.75fr) minmax(0, 1.15fr);
    gap: clamp(4rem, 10vw, 10rem);
    align-items: center;
    min-height: calc(100svh - 110px);
    padding: calc(var(--header-height) + 5rem) 9vw 6rem;
    background: radial-gradient(circle at 20% 45%, rgba(36, 83, 138, 0.25), transparent 33%), #0a1522;
}

.author-frame { position: relative; width: min(100%, 470px); aspect-ratio: 4 / 5; }
.author-frame::before { content: ""; position: absolute; inset: -13px 13px 13px -13px; border: 1px solid rgba(211, 168, 93, 0.24); }
.portrait-placeholder {
    position: relative;
    z-index: 1;
    display: grid;
    place-items: center;
    align-content: center;
    height: 100%;
    background: radial-gradient(circle at 60% 28%, rgba(103, 150, 198, 0.34), transparent 28%), linear-gradient(150deg, #19344f, #09131f 68%);
    overflow: hidden;
}
.portrait-placeholder span { color: var(--gold-light); font-family: var(--serif); font-size: clamp(4rem, 8vw, 7rem); font-style: italic; }
.portrait-placeholder small { margin-top: 0.8rem; color: rgba(220, 233, 245, 0.5); font-size: 0.62rem; letter-spacing: 0.18em; text-transform: uppercase; }
.author-copy { max-width: 700px; }
.author-copy > p:not(.eyebrow) { color: rgba(220, 233, 245, 0.7); }
.author-copy .button { margin-top: 1.5rem; }

.social-links {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.75rem;
    margin-top: 2.5rem;
}

.social-link {
    display: grid;
    gap: 0.2rem;
    padding: 0.9rem 1rem;
    border: 1px solid var(--line);
    background: rgba(7, 16, 29, 0.34);
    text-decoration: none;
    transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.social-link:hover,
.social-link:focus-visible {
    border-color: rgba(240, 214, 157, 0.55);
    background: rgba(36, 83, 138, 0.24);
    transform: translateY(-2px);
}

.social-link span {
    color: var(--paper);
    font-family: var(--serif);
    font-size: 1.05rem;
}

.social-link small {
    color: rgba(220, 233, 245, 0.48);
    font-size: 0.62rem;
    letter-spacing: 0.08em;
}

.updates-page {
    min-height: calc(100svh - 110px);
    padding: calc(var(--header-height) + 5rem) 8vw 7rem;
    background: radial-gradient(circle at 85% 10%, rgba(41, 93, 150, 0.22), transparent 26%), var(--ink);
}

.newsletter-panel {
    display: grid;
    grid-template-columns: 0.85fr 1.15fr;
    gap: clamp(3rem, 7vw, 7rem);
    max-width: 1450px;
    margin: 0 auto;
    padding: clamp(2.5rem, 6vw, 5.5rem);
    border: 1px solid rgba(211, 168, 93, 0.26);
    background: rgba(16, 40, 67, 0.36);
}
.newsletter-panel h1 { font-size: clamp(3.8rem, 7vw, 7rem); }
.newsletter-panel > div > p:last-child { max-width: 540px; color: rgba(220, 233, 245, 0.67); }
.newsletter-form { align-self: center; }
.newsletter-form label { display: block; margin-bottom: 0.7rem; color: var(--paper); font-size: 0.68rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; }
.form-row { display: grid; grid-template-columns: 1fr auto; }
.form-row input { min-width: 0; min-height: 54px; padding: 0.8rem 1rem; border: 1px solid rgba(220, 233, 245, 0.22); border-right: 0; outline: 0; background: rgba(7, 16, 29, 0.7); color: var(--paper); }
.form-row input:focus { border-color: var(--gold); box-shadow: inset 0 0 0 1px var(--gold); }
.form-note, .form-message { margin: 0.85rem 0 0; color: rgba(220, 233, 245, 0.46); font-size: 0.72rem; }
.form-message { min-height: 1.2em; color: var(--gold-light); }


/* Brevo newsletter integration — Brevo's generated HTML structure is
   preserved exactly. These rules change appearance only. */
.newsletter-form {
    align-self: center;
    width: 100%;
    min-width: 0;
}

.newsletter-panel .sib-form {
    width: 100% !important;
    padding: 0 !important;
    background: transparent !important;
    text-align: left !important;
}

.newsletter-panel .sib-form-container,
.newsletter-panel #sib-container {
    width: 100% !important;
    max-width: none !important;
    margin: 0 !important;
    padding: 0 !important;
    border: 0 !important;
    border-radius: 0 !important;
    background: transparent !important;
    text-align: left !important;
}

/* The page already supplies the title and introduction in the left column. */
.newsletter-panel #sib-form > div:nth-of-type(1),
.newsletter-panel #sib-form > div:nth-of-type(2) {
    display: none !important;
}

.newsletter-panel #sib-form > div {
    padding: 0 !important;
}

.newsletter-panel .sib-form-block,
.newsletter-panel .form__entry,
.newsletter-panel .form__label-row {
    max-width: none !important;
    margin: 0 !important;
    padding: 0 !important;
    background: transparent !important;
}

.newsletter-panel .entry__label {
    display: block !important;
    margin: 0 0 0.7rem !important;
    color: var(--paper) !important;
    font-family: var(--sans) !important;
    font-size: 0.68rem !important;
    font-weight: 700 !important;
    letter-spacing: 0.12em !important;
    line-height: 1.4 !important;
    text-align: left !important;
    text-transform: uppercase !important;
}

.newsletter-panel .entry__field {
    width: 100% !important;
    min-width: 0 !important;
    margin: 0 !important;
    padding: 0 !important;
    border: 0 !important;
    border-radius: 0 !important;
    background: transparent !important;
}

.newsletter-panel .entry__field::before,
.newsletter-panel .entry__field::after {
    display: none !important;
}

.newsletter-panel #EMAIL {
    display: block !important;
    width: 100% !important;
    min-width: 0 !important;
    min-height: 54px !important;
    margin: 0 !important;
    padding: 0.8rem 1rem !important;
    border: 1px solid rgba(220, 233, 245, 0.32) !important;
    border-radius: 0 !important;
    outline: 0 !important;
    appearance: none !important;
    background: rgba(7, 16, 29, 0.78) !important;
    color: var(--paper) !important;
    font-family: var(--sans) !important;
    font-size: 1rem !important;
    line-height: 1.3 !important;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.015) !important;
}

.newsletter-panel #EMAIL::placeholder {
    color: rgba(220, 233, 245, 0.46) !important;
    opacity: 1 !important;
}

.newsletter-panel #EMAIL:focus {
    border-color: var(--gold) !important;
    box-shadow: inset 0 0 0 1px var(--gold) !important;
}

.newsletter-panel .entry__specification {
    display: block !important;
    margin: 0.65rem 0 0 !important;
    color: rgba(220, 233, 245, 0.46) !important;
    font-family: var(--sans) !important;
    font-size: 0.72rem !important;
    line-height: 1.5 !important;
    text-align: left !important;
    text-transform: none !important;
    letter-spacing: normal !important;
}

.newsletter-panel #sib-form > div:nth-of-type(4) {
    margin-top: 0.9rem !important;
}

.newsletter-panel .sib-form-block__button {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 0.55rem !important;
    min-height: 54px !important;
    margin: 0 !important;
    padding: 0.85rem 1.25rem !important;
    border: 1px solid var(--gold) !important;
    border-radius: 0 !important;
    background: var(--gold) !important;
    color: var(--ink) !important;
    font-family: var(--sans) !important;
    font-size: 0.72rem !important;
    font-weight: 800 !important;
    letter-spacing: 0.1em !important;
    line-height: 1.2 !important;
    text-align: center !important;
    text-transform: uppercase !important;
    cursor: pointer !important;
}

.newsletter-panel .sib-form-block__button:hover,
.newsletter-panel .sib-form-block__button:focus-visible {
    background: var(--gold-light) !important;
}

.newsletter-panel .progress-indicator__icon {
    width: 17px !important;
    height: 17px !important;
    flex: 0 0 17px !important;
    fill: currentColor !important;
}

.newsletter-panel .entry__error {
    display: block;
    min-height: 1.25rem;
    margin: 0.55rem 0 0 !important;
    padding: 0 !important;
    border: 0 !important;
    background: transparent !important;
    color: #ffc2bd !important;
    font-family: var(--sans) !important;
    font-size: 0.72rem !important;
    line-height: 1.5 !important;
    text-align: left !important;
    text-transform: none !important;
    letter-spacing: normal !important;
}

/* Do not set display on Brevo's message panels or loader classes here.
   Brevo's own stylesheet and script control those states. */
.newsletter-panel .sib-form-message-panel {
    width: 100% !important;
    max-width: none !important;
    margin: 0 0 1rem !important;
    padding: 0.85rem 1rem !important;
    border-width: 1px !important;
    border-style: solid !important;
    border-radius: 0 !important;
    font-family: var(--sans) !important;
    font-size: 0.76rem !important;
    line-height: 1.55 !important;
    text-align: left !important;
}

.newsletter-panel .sib-form-message-panel__text {
    padding: 0 !important;
}

.newsletter-panel .sib-form-message-panel__inner-text {
    font-family: var(--sans) !important;
}

.newsletter-panel .input--hidden {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    border: 0 !important;
    clip: rect(0 0 0 0) !important;
    clip-path: inset(50%) !important;
    overflow: hidden !important;
    white-space: nowrap !important;
}

.buy-panel {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 8vw;
    align-items: end;
    max-width: 1250px;
    margin: 7rem auto 0;
}
.buy-panel h2 { margin: 0; color: var(--paper); font-size: clamp(2.7rem, 5vw, 5rem); letter-spacing: -0.04em; }
.buy-panel > div > p:last-child { max-width: 500px; color: rgba(220, 233, 245, 0.65); }
.retailer-list { border-top: 1px solid var(--line); }
.retailer-list > span { display: flex; justify-content: space-between; gap: 1rem; padding: 1.25rem 0.3rem; border-bottom: 1px solid var(--line); color: rgba(220, 233, 245, 0.62); font-family: var(--serif); font-size: 1.25rem; }
.retailer-list small { color: rgba(220, 233, 245, 0.34); font-family: var(--sans); font-size: 0.61rem; letter-spacing: 0.12em; text-transform: uppercase; }

.site-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    min-height: 110px;
    padding: 2rem 4vw;
    border-top: 1px solid var(--line);
    background: var(--ink-deep);
    color: rgba(220, 233, 245, 0.48);
    font-size: 0.72rem;
}
.site-footer a { text-decoration: none; }

.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.75s ease, transform 0.75s cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal.visible { opacity: 1; transform: none; }

@media (min-width: 901px) and (max-height: 760px) {
    .home-copy {
        margin-top: -2.5rem;
    }
    .title-artwork {
        width: min(74%, 450px);
    }
    .hero-tagline {
        margin-top: 0.7rem;
    }
    .hero-intro {
        margin-top: 0.8rem;
    }
    .hero-actions {
        margin-top: 1.1rem;
    }
}

@media (max-width: 900px) {
    .home-page { overflow-y: auto; }
    .home-hero {
        align-items: end;
        min-height: 100svh;
        padding-right: 6vw;
        padding-left: 6vw;
    }
    .hero-artwork {
        inset: 0;
        width: 100%;
        height: 100svh;
        background-position: center top;
        background-size: cover;
        -webkit-mask-image: linear-gradient(to bottom, #000 0%, #000 72%, transparent 100%);
        mask-image: linear-gradient(to bottom, #000 0%, #000 72%, transparent 100%);
    }
    .hero-atmosphere {
        background: linear-gradient(0deg, rgba(4, 10, 18, 1) 0%, rgba(4, 10, 18, 0.9) 20%, rgba(4, 10, 18, 0.2) 55%, rgba(4, 10, 18, 0.04) 100%);
    }
    .home-copy { width: min(100%, 720px); padding-top: 76svh; }
    .universe-page, .author-page, .newsletter-panel, .buy-panel { grid-template-columns: 1fr; }
    .series-card { max-width: 560px; }
    .author-frame { width: min(80%, 440px); margin: 0 auto; }
    .newsletter-panel { gap: 2rem; }
    .buy-panel { align-items: start; gap: 3rem; }
}

@media (max-width: 760px) {
    :root { --header-height: 68px; }
    .site-header { padding: 0 5vw; }
    .menu-toggle { display: flex; align-items: center; gap: 0.7rem; padding: 0.5rem 0; border: 0; background: transparent; color: var(--paper); cursor: pointer; }
    .menu-label { font-size: 0.65rem; font-weight: 700; letter-spacing: 0.13em; text-transform: uppercase; }
    .menu-lines, .menu-lines::before { display: block; width: 22px; height: 1px; background: var(--gold-light); transition: transform 0.25s ease; }
    .menu-lines { position: relative; transform: translateY(3px); }
    .menu-lines::before { content: ""; position: absolute; transform: translateY(-7px); }
    .menu-toggle[aria-expanded="true"] .menu-lines { transform: rotate(45deg); }
    .menu-toggle[aria-expanded="true"] .menu-lines::before { transform: rotate(-90deg); }
    .site-nav { position: absolute; top: 100%; right: 0; left: 0; display: grid; gap: 0; max-height: 0; padding: 0 5vw; background: rgba(7, 16, 29, 0.97); opacity: 0; overflow: hidden; pointer-events: none; transition: max-height 0.3s ease, opacity 0.25s ease, padding 0.3s ease; }
    .site-header.open .site-nav { max-height: 360px; padding-top: 0.7rem; padding-bottom: 1.2rem; opacity: 1; pointer-events: auto; }
    .site-nav a { padding: 0.9rem 0; border-bottom: 1px solid var(--line); }
    .home-hero { min-height: 100svh; padding: calc(var(--header-height) + 1rem) 7vw 2.5rem; }
    .hero-artwork {
        height: 100svh;
        background-position: center top;
        background-size: cover;
        -webkit-mask-image: linear-gradient(to bottom, #000 0%, #000 73%, transparent 100%);
        mask-image: linear-gradient(to bottom, #000 0%, #000 73%, transparent 100%);
    }
    .home-copy { padding-top: 76svh; }
    .home-copy h1 { font-size: clamp(3.15rem, 13vw, 4.4rem); letter-spacing: -0.045em; }
    .title-artwork { width: min(100%, 430px); margin: 0.1rem 0 -0.2rem -0.3rem; }
    .hero-intro { font-size: 0.92rem; }
    .page-masthead { min-height: 52svh; padding: calc(var(--header-height) + 4rem) 7vw 4rem; }
    .reading-page { padding: 5rem 7vw; }
    .reading-columns { grid-template-columns: 1fr; gap: 2rem; }
    .feature-quote { margin: 6rem auto; }
    .book-summary { margin-top: 5rem; }
    .universe-page, .author-page, .updates-page { padding: calc(var(--header-height) + 4rem) 7vw 5rem; }
    .universe-orbits { right: -55vw; width: 150vw; }
    .universe-copy h1, .author-copy h1, .newsletter-panel h1 { font-size: clamp(3.7rem, 17vw, 6.2rem); }
    .author-page { gap: 4.5rem; }
    .author-frame { width: min(88%, 410px); }
    .social-links { grid-template-columns: 1fr; }
    .newsletter-panel { padding: 2rem 1.3rem; }
    .form-row { grid-template-columns: 1fr; gap: 0.7rem; }
    .form-row input,
    .newsletter-form .form-row input { border-right: 1px solid rgba(220, 233, 245, 0.32); }
    .buy-panel { margin-top: 5rem; }
    .site-footer { align-items: flex-start; flex-direction: column; padding: 2.5rem 7vw; }
}

@media (max-width: 600px) {
    .home-copy {
        display: block;
        padding-top: 78svh;
        text-align: center;
    }
    .title-artwork {
        position: absolute;
        top: calc(var(--header-height) + 2.2rem);
        left: 50%;
        z-index: 3;
        width: min(88vw, 390px);
        margin: 0;
        transform: translateX(-50%);
        filter: drop-shadow(0 5px 8px rgba(0, 0, 0, 0.82));
    }
    .eyebrow,
    .series-line {
        display: none;
    }
    .hero-tagline {
        margin-top: 0;
        text-align: center;
    }
    .hero-intro {
        margin-right: auto;
        margin-left: auto;
    }
    .hero-actions,
    .release-note {
        justify-content: center;
    }
}

@media (max-width: 460px) {
    .brand { font-size: 0.78rem; }
    .brand-mark { width: 31px; height: 31px; }
    .home-hero { padding-right: 6vw; padding-left: 6vw; }
    .hero-artwork { height: 100svh; background-position: center top; }
    .home-copy { padding-top: 77svh; }
    .hero-actions { align-items: flex-start; flex-direction: column; gap: 0.8rem; margin-top: 0.9rem; }
    .home-copy h1 { font-size: clamp(3.15rem, 13vw, 3.7rem); }
    .title-artwork {
        top: calc(var(--header-height) + 2rem);
        width: min(90vw, 340px);
    }
    .hero-tagline { margin-top: 0.55rem; font-size: 1.08rem; }
    .hero-intro { display: none; }
    .release-note { margin-top: 1rem; }
}


/* Mobile portrait composition: keeps the magpies clear of the title and
   brings the call-to-action and release date into the first screen. */
@media (max-width: 600px) and (orientation: portrait) {
    .home-hero {
        align-items: stretch;
    }

    .hero-artwork {
        background-color: #040a12;
        background-position: center 7.5rem;
        background-size: auto 100svh;
        filter: brightness(1.18) saturate(1.06);
        -webkit-mask-image: linear-gradient(to bottom, #000 0%, #000 76%, transparent 100%);
        mask-image: linear-gradient(to bottom, #000 0%, #000 76%, transparent 100%);
    }

    /* Keep the clock, house and tree detail close to the brighter desktop
       treatment. The stronger shading is limited to the lower text area. */
    .hero-atmosphere {
        background: linear-gradient(
            to bottom,
            rgba(4, 10, 18, 0.02) 0%,
            rgba(4, 10, 18, 0.02) 48%,
            rgba(4, 10, 18, 0.10) 63%,
            rgba(4, 10, 18, 0.58) 82%,
            rgba(4, 10, 18, 0.94) 100%
        );
    }

    .home-copy {
        display: flex;
        flex-direction: column;
        justify-content: flex-end;
        width: 100%;
        min-height: calc(100svh - var(--header-height) - 3.5rem);
        padding: 0 0 1rem;
        text-align: center;
    }

    .title-artwork {
        top: calc(var(--header-height) + 0.45rem);
        width: min(76vw, 330px);
    }

    .hero-tagline {
        margin-top: 0;
    }

    .hero-actions {
        justify-content: center;
        gap: 0.75rem 1.1rem;
        margin-top: 1rem;
    }

    .release-note {
        justify-content: center;
        margin-top: 0.8rem;
    }
}

@media (max-width: 460px) and (orientation: portrait) {
    .home-copy {
        min-height: calc(100svh - var(--header-height) - 3rem);
        padding-bottom: 0.75rem;
    }

    .hero-artwork {
        background-position: 52% 7.25rem;
    }

    .title-artwork {
        top: calc(var(--header-height) + 0.35rem);
        width: min(76vw, 305px);
    }

    .hero-actions {
        align-items: center;
        flex-direction: row;
        flex-wrap: wrap;
        gap: 0.65rem 0.8rem;
        margin-top: 0.85rem;
    }

    .button {
        min-height: 46px;
        padding: 0.72rem 1.1rem;
    }

    .release-note {
        margin-top: 0.7rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
    .reveal { opacity: 1; transform: none; }
}

/* Echo Tree header mark across all website pages. */
.brand {
    gap: 0.5rem;
}

.brand-logo {
    display: block;
    flex: 0 0 auto;
    width: 54px;
    height: 54px;
    object-fit: contain;
    filter: drop-shadow(0 2px 5px rgba(0, 0, 0, 0.48));
}

@media (max-width: 460px) {
    .brand-logo {
        width: 46px;
        height: 46px;
    }
}