:root {
    --bg: rgb(239, 231, 221);
    --bg-soft: rgb(250, 244, 236);
    --surface: rgba(255, 250, 244, 0.9);
    --surface-strong: rgb(255, 250, 244);
    --ink: rgb(25, 35, 48);
    --ink-soft: rgba(25, 35, 48, 0.76);
    --ink-muted: rgba(25, 35, 48, 0.54);
    --navy: rgb(19, 37, 56);
    --navy-deep: rgb(10, 21, 32);
    --teal: rgb(47, 127, 122);
    --copper: rgb(194, 109, 75);
    --gold: rgb(217, 181, 109);
    --line: rgba(25, 35, 48, 0.12);
    --shadow-soft: 0 24px 64px rgba(10, 21, 32, 0.12);
    --shadow-lift: 0 36px 92px rgba(10, 21, 32, 0.18);
    --radius: 30px;
    --radius-sm: 20px;
    --max-width: 1320px;
    --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    font-family: "Plus Jakarta Sans", sans-serif;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

body::before {
    animation: backgroundShift 18s var(--ease) infinite alternate;
    background:
        radial-gradient(circle at top left, rgba(217, 181, 109, 0.2), transparent 30%),
        radial-gradient(circle at bottom right, rgba(47, 127, 122, 0.14), transparent 28%);
    content: "";
    inset: 0;
    pointer-events: none;
    position: fixed;
    z-index: -2;
}

body::after {
    background:
        linear-gradient(180deg, rgba(255, 250, 244, 0.18), rgba(239, 231, 221, 0.08)),
        repeating-linear-gradient(
            90deg,
            rgba(255, 255, 255, 0.06) 0 1px,
            transparent 1px 120px
        );
    content: "";
    inset: 0;
    pointer-events: none;
    position: fixed;
    z-index: -1;
}

img,
video {
    display: block;
    max-width: 100%;
}

a {
    color: inherit;
    text-decoration: none;
}

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

button,
input,
textarea {
    font: inherit;
}

::selection {
    background: rgba(217, 181, 109, 0.34);
}

.siteHeader {
    align-items: center;
    backdrop-filter: blur(22px) saturate(1.1);
    background: rgba(12, 24, 38, 0.74);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    box-shadow: 0 20px 42px rgba(10, 21, 32, 0.2);
    display: flex;
    gap: 20px;
    justify-content: space-between;
    left: clamp(14px, 3vw, 36px);
    padding: 12px 14px 12px 18px;
    position: fixed;
    right: clamp(14px, 3vw, 36px);
    top: 14px;
    z-index: 20;
}

.brand {
    align-items: center;
    background: rgba(255, 250, 244, 0.96);
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 18px;
    box-shadow: 0 14px 30px rgba(0, 0, 0, 0.16);
    display: inline-flex;
    padding: 6px 10px;
    transition:
        box-shadow 180ms ease,
        transform 180ms ease;
}

.brand:hover {
    box-shadow: 0 18px 36px rgba(0, 0, 0, 0.22);
    transform: translateY(-1px);
}

.brandLogo {
    display: block;
    height: 52px;
    object-fit: contain;
    width: auto;
}

.navLinks {
    align-items: center;
    display: flex;
    gap: 6px;
}

.navLink {
    border: 1px solid transparent;
    border-radius: 999px;
    color: rgba(255, 250, 244, 0.72);
    font-size: 0.92rem;
    font-weight: 700;
    padding: 11px 15px;
    transition:
        background 180ms ease,
        border-color 180ms ease,
        color 180ms ease,
        transform 180ms ease;
}

.navLink:hover,
.navLink.isActive {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.16);
    color: var(--surface-strong);
    transform: translateY(-1px);
}

.navToggle {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 999px;
    color: var(--surface-strong);
    cursor: pointer;
    display: none;
    font-size: 0.88rem;
    font-weight: 800;
    padding: 10px 14px;
    text-transform: uppercase;
}

.pageShell {
    min-height: 100vh;
}

.tabPanel {
    display: none;
}

.tabPanel.isActive {
    animation: panelFade 420ms var(--ease);
    display: block;
}

.homePanel {
    isolation: isolate;
    min-height: 100vh;
    overflow: hidden;
    padding: clamp(126px, 17vw, 188px) clamp(22px, 6vw, 88px) clamp(86px, 11vw, 132px);
    position: relative;
}

.homePanel.isActive {
    align-items: stretch;
    display: flex;
}

.homePanel::after {
    background:
        radial-gradient(circle at 82% 24%, rgba(217, 181, 109, 0.26), transparent 22%),
        radial-gradient(circle at 22% 82%, rgba(47, 127, 122, 0.22), transparent 24%);
    content: "";
    inset: 0;
    pointer-events: none;
    position: absolute;
    z-index: -1;
}

.heroVideo {
    filter: saturate(0.85) contrast(1.06) brightness(0.56);
    height: 100%;
    inset: 0;
    object-fit: cover;
    opacity: 0.86;
    position: absolute;
    width: 100%;
    z-index: -4;
}

.heroScrim {
    background:
        linear-gradient(
            115deg,
            rgba(10, 21, 32, 0.92) 8%,
            rgba(10, 21, 32, 0.74) 42%,
            rgba(10, 21, 32, 0.48) 70%,
            rgba(10, 21, 32, 0.82) 100%
        ),
        linear-gradient(180deg, rgba(10, 21, 32, 0) 60%, var(--bg) 100%);
    inset: 0;
    position: absolute;
    z-index: -3;
}

.heroScrim::before {
    background:
        radial-gradient(circle at top right, rgba(217, 181, 109, 0.26), transparent 28%),
        radial-gradient(circle at 72% 74%, rgba(47, 127, 122, 0.2), transparent 20%);
    content: "";
    inset: 0;
    position: absolute;
}

.heroScrim::after {
    animation: heroBands 14s var(--ease) infinite alternate;
    background:
        linear-gradient(90deg, transparent 0 68%, rgba(255, 255, 255, 0.08) 68% 69%, transparent 69%),
        linear-gradient(180deg, transparent 0 74%, var(--bg) 100%);
    content: "";
    inset: 0;
    position: absolute;
}

.heroContent {
    align-items: end;
    display: grid;
    gap: clamp(24px, 4vw, 42px);
    grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
    margin: 0 auto;
    max-width: var(--max-width);
    position: relative;
    width: 100%;
    z-index: 1;
}

.heroCopy {
    backdrop-filter: blur(22px) saturate(1.15);
    background: linear-gradient(160deg, rgba(255, 250, 244, 0.14), rgba(255, 250, 244, 0.06));
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 34px;
    box-shadow: 0 34px 94px rgba(0, 0, 0, 0.22);
    max-width: 780px;
    padding: clamp(28px, 5vw, 56px);
}

.heroKicker,
.sectionKicker,
.detailLabel {
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.2em;
    margin: 0 0 18px;
    text-transform: uppercase;
}

.heroKicker {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 999px;
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.16);
    color: rgba(255, 244, 223, 0.96);
    display: inline-flex;
    font-size: clamp(0.92rem, 1.7vw, 1.06rem);
    padding: 12px 18px;
}

.sectionKicker,
.detailLabel {
    color: var(--teal);
}

h1,
h2,
h3 {
    font-family: "Fraunces", serif;
    font-weight: 600;
    letter-spacing: -0.03em;
    line-height: 0.94;
    margin: 0;
}

h1 {
    color: var(--surface-strong);
    font-size: clamp(4.4rem, 10vw, 8.8rem);
    max-width: 8ch;
    text-wrap: balance;
}

h2 {
    color: var(--navy-deep);
    font-size: clamp(3rem, 6vw, 5.5rem);
    max-width: 10ch;
    text-wrap: balance;
}

h3 {
    color: var(--navy);
    font-size: clamp(1.8rem, 2.6vw, 2.5rem);
}

p {
    color: var(--ink-soft);
    font-size: clamp(1rem, 1.45vw, 1.08rem);
    line-height: 1.78;
    margin: 0;
}

.heroCopy p {
    color: rgba(255, 250, 244, 0.78);
}

.heroBlurb {
    font-size: clamp(1.05rem, 2vw, 1.18rem);
    margin-top: 22px;
    max-width: 34ch;
}

.heroActions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 32px;
}

.button {
    align-items: center;
    background: linear-gradient(135deg, var(--copper), var(--gold));
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 999px;
    box-shadow: 0 18px 42px rgba(10, 21, 32, 0.22);
    color: var(--navy-deep);
    cursor: pointer;
    display: inline-flex;
    font-size: 0.95rem;
    font-weight: 800;
    justify-content: center;
    min-height: 54px;
    padding: 14px 24px;
    transition:
        border-color 180ms ease,
        box-shadow 180ms ease,
        filter 180ms ease,
        transform 180ms ease;
}

.button:hover {
    border-color: rgba(255, 255, 255, 0.34);
    box-shadow: 0 24px 52px rgba(10, 21, 32, 0.28);
    filter: saturate(1.04);
    transform: translateY(-2px);
}

.button:disabled {
    background: rgba(25, 35, 48, 0.18);
    border-color: rgba(25, 35, 48, 0.1);
    box-shadow: none;
    color: rgba(25, 35, 48, 0.44);
    cursor: not-allowed;
    transform: none;
}

.buttonSecondary {
    background: rgba(255, 255, 255, 0.08);
    color: var(--surface-strong);
}

.buttonSecondary:hover {
    border-color: rgba(255, 255, 255, 0.42);
    color: var(--surface-strong);
}

.surfaceCard {
    background: linear-gradient(160deg, rgba(255, 250, 244, 0.96), rgba(244, 236, 225, 0.9));
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow-soft);
}

.heroSpotlight.surfaceCard {
    animation: floatCard 11s var(--ease) infinite alternate;
    background: linear-gradient(160deg, rgba(255, 250, 244, 0.94), rgba(236, 228, 216, 0.8));
    border: 1px solid rgba(255, 255, 255, 0.24);
    box-shadow: 0 30px 84px rgba(5, 10, 18, 0.24);
    justify-self: end;
    max-width: 420px;
    overflow: hidden;
    padding: clamp(24px, 4vw, 32px);
    position: relative;
    transform: translateY(22px);
}

.heroSpotlight::before {
    background: linear-gradient(90deg, rgba(194, 109, 75, 0.84), rgba(217, 181, 109, 0.84));
    content: "";
    height: 5px;
    inset: 0 0 auto;
    position: absolute;
}

.heroSpotlight .sectionKicker {
    color: var(--copper);
}

.heroSpotlight p:not(.sectionKicker) {
    color: var(--ink-soft);
}

.heroMeta {
    display: grid;
    gap: 10px;
    margin-top: 24px;
}

.heroMetaItem {
    background: rgba(19, 37, 56, 0.05);
    border: 1px solid rgba(19, 37, 56, 0.08);
    border-radius: 18px;
    display: grid;
    gap: 4px;
    padding: 14px 16px;
}

.heroMetaItem span {
    color: var(--ink-muted);
    font-size: 0.76rem;
    font-weight: 800;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.heroMetaItem strong {
    color: var(--navy-deep);
    font-size: 1rem;
    font-weight: 800;
}

.purchasePanel,
.contactPanel {
    min-height: 100vh;
    padding: clamp(118px, 15vw, 170px) clamp(22px, 6vw, 88px) clamp(82px, 10vw, 128px);
    position: relative;
}

.purchasePanel::before {
    animation: backgroundShift 20s var(--ease) infinite alternate;
    background:
        radial-gradient(circle at top left, rgba(47, 127, 122, 0.12), transparent 30%),
        radial-gradient(circle at 85% 15%, rgba(217, 181, 109, 0.18), transparent 20%),
        linear-gradient(180deg, rgba(255, 250, 244, 0.36), rgba(239, 231, 221, 0.08));
    content: "";
    inset: 0;
    pointer-events: none;
    position: absolute;
}

.sectionShell {
    margin: 0 auto;
    max-width: var(--max-width);
    position: relative;
    z-index: 1;
}

.sectionIntroRow {
    align-items: end;
    display: grid;
    gap: 24px;
    grid-template-columns: minmax(0, 1.12fr) minmax(320px, 0.88fr);
    margin-bottom: 40px;
}

.sectionIntro {
    display: grid;
    gap: 18px;
    max-width: 760px;
}

.purchaseNote {
    background: linear-gradient(160deg, rgba(19, 37, 56, 0.98), rgba(23, 55, 73, 0.94));
    border: 1px solid rgba(255, 255, 255, 0.08);
    display: grid;
    gap: 14px;
    padding: 30px;
}

.purchaseNote .sectionKicker {
    color: rgba(217, 181, 109, 0.84);
    margin-bottom: 0;
}

.purchaseNote h3,
.purchaseNote p {
    color: rgba(255, 250, 244, 0.94);
}

.booksGrid {
    display: grid;
    gap: 24px;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.bookCard {
    background: linear-gradient(160deg, rgba(255, 250, 244, 0.96), rgba(245, 237, 227, 0.9));
    border: 1px solid rgba(25, 35, 48, 0.08);
    border-radius: var(--radius);
    box-shadow: var(--shadow-soft);
    display: grid;
    grid-template-rows: auto 1fr;
    overflow: hidden;
    position: relative;
    transition:
        border-color 220ms ease,
        box-shadow 220ms ease,
        transform 220ms ease;
}

.bookCard::after {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.16), transparent 28%, transparent 72%, rgba(194, 109, 75, 0.04));
    content: "";
    inset: 0;
    pointer-events: none;
    position: absolute;
}

.bookCard:hover {
    border-color: rgba(19, 37, 56, 0.16);
    box-shadow: var(--shadow-lift);
    transform: translateY(-8px);
}

.bookCard:first-child {
    grid-column: span 2;
}

.bookCover {
    align-content: end;
    aspect-ratio: 4 / 4.8;
    background:
        linear-gradient(155deg, rgba(255, 255, 255, 0.14), transparent 36%),
        linear-gradient(180deg, var(--cover-start), var(--cover-end));
    display: grid;
    gap: 10px;
    overflow: hidden;
    padding: 24px;
    position: relative;
}

.bookCover::before {
    background:
        radial-gradient(circle at top left, rgba(255, 255, 255, 0.26), transparent 34%),
        linear-gradient(180deg, transparent 0 40%, rgba(10, 21, 32, 0.4) 100%);
    content: "";
    inset: 0;
    position: absolute;
}

.bookCover::after {
    background:
        linear-gradient(90deg, transparent 0 82%, rgba(255, 255, 255, 0.08) 82% 83%, transparent 83%),
        linear-gradient(180deg, transparent 0 84%, rgba(255, 255, 255, 0.08) 84% 85%, transparent 85%);
    content: "";
    inset: 0;
    position: absolute;
}

.coverSeries,
.coverTitle {
    position: relative;
    z-index: 1;
}

.coverSeries {
    color: rgba(255, 250, 244, 0.72);
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.22em;
    text-transform: uppercase;
}

.coverTitle {
    color: var(--surface-strong);
    font-family: "Fraunces", serif;
    font-size: clamp(2.2rem, 3vw, 3rem);
    font-weight: 600;
    line-height: 0.92;
}

.bookBody {
    display: grid;
    gap: 18px;
    padding: 26px;
    position: relative;
    z-index: 1;
}

.bookTopline {
    align-items: center;
    display: flex;
    gap: 12px;
    justify-content: space-between;
}

.bookTopline .sectionKicker {
    color: var(--ink-muted);
    margin-bottom: 0;
}

.bookPrice {
    background: rgba(194, 109, 75, 0.12);
    border: 1px solid rgba(194, 109, 75, 0.18);
    border-radius: 999px;
    color: var(--copper);
    font-size: 0.96rem;
    font-weight: 800;
    padding: 8px 12px;
}

.quantitySelector {
    align-items: center;
    background: rgba(19, 37, 56, 0.05);
    border: 1px solid rgba(19, 37, 56, 0.08);
    border-radius: 999px;
    display: inline-flex;
    gap: 12px;
    padding: 10px 12px;
    width: fit-content;
}

.qtyButton {
    align-items: center;
    background: rgba(19, 37, 56, 0.08);
    border: 1px solid rgba(19, 37, 56, 0.08);
    border-radius: 999px;
    color: var(--navy-deep);
    cursor: pointer;
    display: inline-flex;
    font-size: 1rem;
    font-weight: 800;
    height: 40px;
    justify-content: center;
    transition:
        background 180ms ease,
        border-color 180ms ease,
        color 180ms ease,
        transform 180ms ease;
    width: 40px;
}

.qtyButton:hover {
    background: var(--navy);
    border-color: var(--navy);
    color: var(--surface-strong);
    transform: translateY(-1px);
}

.qtyValue {
    color: var(--navy-deep);
    font-size: 1.04rem;
    font-weight: 800;
    min-width: 22px;
    text-align: center;
}

.addButton {
    margin-top: auto;
    width: 100%;
}

.purchaseBottom {
    align-items: start;
    display: grid;
    gap: 28px;
    grid-template-columns: minmax(300px, 0.88fr) minmax(0, 1.12fr);
    margin-top: 34px;
}

.checkoutRail {
    display: grid;
    gap: 24px;
    position: sticky;
    top: 112px;
}

.cartCard,
.orderForm,
.contactForm,
.contactDetails,
.comingSoonCard {
    padding: 30px;
}

.cartCard {
    background: linear-gradient(160deg, rgba(12, 24, 38, 0.98), rgba(16, 39, 60, 0.94));
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: var(--shadow-lift);
    color: var(--surface-strong);
}

.cartCard .sectionKicker {
    color: rgba(217, 181, 109, 0.84);
}

.cartCard h3 {
    color: var(--surface-strong);
}

.panelHeader {
    display: grid;
    gap: 8px;
    margin-bottom: 20px;
}

.panelHeader .sectionKicker {
    margin-bottom: 0;
}

.cartItems {
    display: grid;
    gap: 12px;
    min-height: 120px;
}

.cartItem {
    align-items: center;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-sm);
    display: grid;
    gap: 10px;
    grid-template-columns: minmax(0, 1fr) auto auto;
    padding: 14px 16px;
}

.cartMeta {
    display: grid;
    gap: 4px;
}

.cartName {
    color: var(--surface-strong);
    font-weight: 800;
}

.cartQuantity {
    color: rgba(255, 250, 244, 0.64);
    font-size: 0.92rem;
}

.cartLineTotal {
    color: rgb(244, 196, 142);
    font-weight: 800;
}

.removeButton {
    background: transparent;
    border: none;
    color: rgba(255, 250, 244, 0.68);
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 700;
    padding: 0;
}

.removeButton:hover {
    color: var(--surface-strong);
}

.emptyState {
    align-content: center;
    color: rgba(255, 250, 244, 0.58);
    display: grid;
    min-height: 120px;
}

.cartFooter {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    display: grid;
    gap: 10px;
    margin-top: 18px;
    padding-top: 18px;
}

.cartFooterRow {
    align-items: center;
    display: flex;
    gap: 12px;
    justify-content: space-between;
}

.cartFooterRow span,
.cartFooterRow strong {
    color: var(--surface-strong);
    font-size: 1rem;
}

.cartFooterDiscount span,
.cartFooterDiscount strong {
    color: rgb(244, 196, 142);
}

.cartFooterTotal {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    margin-top: 4px;
    padding-top: 14px;
}

.cartFooterTotal span,
.cartFooterTotal strong {
    font-size: 1.08rem;
}

.comingSoonCard {
    background:
        linear-gradient(160deg, rgba(217, 181, 109, 0.18), rgba(194, 109, 75, 0.12)),
        rgba(255, 250, 244, 0.92);
    display: grid;
    gap: 12px;
}

.comingSoonCard .sectionKicker {
    color: var(--copper);
    margin-bottom: 0;
}

.orderForm,
.contactForm {
    background: linear-gradient(160deg, rgba(255, 250, 244, 0.98), rgba(244, 236, 225, 0.92));
    display: grid;
    gap: 18px;
    overflow: hidden;
    position: relative;
}

.orderForm::before,
.contactForm::before {
    background: linear-gradient(90deg, var(--copper), var(--gold), var(--teal));
    content: "";
    height: 5px;
    inset: 0 0 auto;
    position: absolute;
}

.fieldGrid {
    display: grid;
    gap: 16px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.fieldGridTight {
    grid-template-columns: 1.3fr 0.8fr 0.8fr;
}

.promoSection {
    background: linear-gradient(160deg, rgba(19, 37, 56, 0.04), rgba(255, 255, 255, 0.8));
    border: 1px solid rgba(25, 35, 48, 0.08);
    border-radius: 24px;
    display: grid;
    gap: 14px;
    padding: 20px;
}

.promoHeader {
    display: grid;
    gap: 6px;
}

.promoHeader .sectionKicker {
    margin-bottom: 0;
}

.promoTitle {
    color: var(--navy);
    font-family: "Fraunces", serif;
    font-size: clamp(1.35rem, 2vw, 1.7rem);
    font-weight: 600;
    letter-spacing: -0.02em;
    line-height: 1;
    margin: 0;
}

.promoTitle span {
    color: var(--copper);
}

.promoInputRow {
    display: grid;
    gap: 12px;
    grid-template-columns: minmax(0, 1fr) auto;
}

.promoButton {
    min-width: 150px;
    white-space: nowrap;
}

.promoFeedback {
    border-radius: 18px;
    font-size: 0.92rem;
    line-height: 1.6;
    padding: 12px 14px;
}

.promoFeedback.isSuccess {
    background: rgba(47, 127, 122, 0.12);
    border: 1px solid rgba(47, 127, 122, 0.22);
    color: var(--navy);
}

.promoFeedback.isError {
    background: rgba(194, 109, 75, 0.12);
    border: 1px solid rgba(194, 109, 75, 0.22);
    color: var(--navy-deep);
}

label {
    color: var(--navy-deep);
    display: grid;
    font-size: 0.93rem;
    font-weight: 800;
    gap: 8px;
}

input,
textarea {
    background: rgba(255, 255, 255, 0.72);
    border: 1px solid rgba(25, 35, 48, 0.12);
    border-radius: 18px;
    color: var(--ink);
    min-height: 54px;
    padding: 14px 16px;
    transition:
        background 180ms ease,
        border-color 180ms ease,
        box-shadow 180ms ease;
    width: 100%;
}

input::placeholder,
textarea::placeholder {
    color: rgba(25, 35, 48, 0.42);
}

textarea {
    min-height: 146px;
    resize: vertical;
}

input:focus,
textarea:focus,
.navToggle:focus-visible,
.button:focus-visible,
.navLink:focus-visible,
.qtyButton:focus-visible,
.removeButton:focus-visible {
    box-shadow: 0 0 0 4px rgba(47, 127, 122, 0.2);
    outline: none;
}

input:focus,
textarea:focus {
    background: rgba(255, 255, 255, 0.92);
    border-color: rgba(19, 37, 56, 0.2);
}

.formNote,
.adminNote {
    font-size: 0.92rem;
    line-height: 1.6;
}

.formNote {
    color: var(--ink-muted);
}

.adminNote {
    background: rgba(217, 181, 109, 0.16);
    border: 1px solid rgba(217, 181, 109, 0.34);
    border-radius: 18px;
    color: var(--navy-deep);
    padding: 14px 16px;
}

.successNote {
    background: rgba(47, 127, 122, 0.12);
    border: 1px solid rgba(47, 127, 122, 0.22);
    border-radius: 18px;
    color: var(--navy);
    font-size: 0.92rem;
    line-height: 1.6;
    padding: 14px 16px;
}

.paypalSection {
    background: linear-gradient(160deg, rgba(19, 37, 56, 0.04), rgba(255, 255, 255, 0.8));
    border: 1px solid rgba(25, 35, 48, 0.08);
    border-radius: 24px;
    padding: 20px;
}

.paypalButtonContainer {
    min-height: 46px;
}

.paypalButtonContainer:empty::before {
    color: var(--ink-muted);
    content: "PayPal checkout will appear here once your live client ID is added.";
    display: block;
    font-size: 0.92rem;
    line-height: 1.6;
}

.contactPanel {
    color: var(--surface-strong);
}

.contactPanel::before {
    background: linear-gradient(135deg, rgba(10, 21, 32, 0.98), rgba(17, 35, 49, 0.94) 46%, rgba(29, 74, 86, 0.9) 100%);
    content: "";
    inset: 0;
    position: absolute;
}

.contactPanel::after {
    background:
        radial-gradient(circle at 12% 20%, rgba(217, 181, 109, 0.18), transparent 24%),
        radial-gradient(circle at 84% 18%, rgba(194, 109, 75, 0.18), transparent 28%),
        radial-gradient(circle at 74% 82%, rgba(47, 127, 122, 0.22), transparent 26%);
    content: "";
    inset: 0;
    pointer-events: none;
    position: absolute;
}

.contactLayout {
    align-items: start;
    display: grid;
    gap: 28px;
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
}

.contactCopy {
    display: grid;
    gap: 18px;
    padding-top: 10px;
}

.contactPanel .sectionKicker,
.contactPanel .detailLabel {
    color: rgba(241, 201, 135, 0.9);
}

.contactPanel h2 {
    color: var(--surface-strong);
}

.contactPanel .contactCopy > p {
    color: rgba(255, 250, 244, 0.74);
    max-width: 36ch;
}

.contactDetails {
    align-self: start;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.18);
    display: grid;
    gap: 10px;
    max-width: 460px;
}

.contactDetails a {
    color: var(--surface-strong);
    font-size: 1.08rem;
    font-weight: 800;
}

.toast {
    background: rgba(12, 24, 38, 0.94);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 999px;
    bottom: 24px;
    box-shadow: 0 18px 42px rgba(0, 0, 0, 0.22);
    color: var(--surface-strong);
    left: 50%;
    opacity: 0;
    padding: 12px 18px;
    pointer-events: none;
    position: fixed;
    transform: translate(-50%, 20px);
    transition:
        opacity 180ms ease,
        transform 180ms ease;
    z-index: 30;
}

.toast.isVisible {
    opacity: 1;
    transform: translate(-50%, 0);
}

.hiddenFrame {
    border: 0;
    height: 0;
    position: absolute;
    visibility: hidden;
    width: 0;
}

@keyframes panelFade {
    from {
        opacity: 0;
        transform: translateY(12px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes backgroundShift {
    from {
        transform: translate3d(-1.5%, -1%, 0);
    }

    to {
        transform: translate3d(1.5%, 1%, 0);
    }
}

@keyframes heroBands {
    from {
        transform: translateX(-2%);
    }

    to {
        transform: translateX(2%);
    }
}

@keyframes floatCard {
    from {
        transform: translateY(22px);
    }

    to {
        transform: translateY(2px);
    }
}

@media (min-width: 920px) {
    .bookCard:first-child {
        grid-template-columns: minmax(220px, 0.88fr) minmax(0, 1.12fr);
        grid-template-rows: none;
    }

    .bookCard:first-child .bookCover {
        aspect-ratio: auto;
        min-height: 100%;
    }

    .bookCard:first-child .bookBody {
        padding: 30px;
    }
}

@media (max-width: 1140px) {
    .heroContent,
    .sectionIntroRow,
    .purchaseBottom,
    .contactLayout {
        grid-template-columns: 1fr;
    }

    .heroSpotlight.surfaceCard {
        animation: none;
        justify-self: start;
        max-width: none;
        transform: none;
    }

    .checkoutRail {
        position: static;
    }
}

@media (max-width: 860px) {
    .bookCard:first-child {
        grid-column: auto;
    }
}

@media (max-width: 780px) {
    body.navOpen {
        overflow: hidden;
    }

    .siteHeader {
        align-items: flex-start;
        flex-wrap: wrap;
        left: 10px;
        padding: 10px 12px;
        right: 10px;
        top: 10px;
    }

    .brand {
        max-width: 72%;
    }

    .brandLogo {
        height: 40px;
    }

    .navToggle {
        display: inline-flex;
    }

    .navLinks {
        display: none;
        flex-direction: column;
        padding-top: 8px;
        width: 100%;
    }

    body.navOpen .navLinks {
        display: flex;
    }

    .navLink {
        width: 100%;
    }

    .homePanel,
    .purchasePanel,
    .contactPanel {
        padding-left: 18px;
        padding-right: 18px;
    }

    h1 {
        font-size: clamp(3.8rem, 16vw, 5.8rem);
    }

    h2 {
        font-size: clamp(2.6rem, 10vw, 4rem);
    }

    .heroCopy,
    .heroSpotlight.surfaceCard,
    .purchaseNote,
    .cartCard,
    .orderForm,
    .contactForm,
    .contactDetails,
    .comingSoonCard {
        padding: 24px;
    }

    .heroActions {
        flex-direction: column;
    }

    .button,
    .buttonSecondary {
        width: 100%;
    }

    .booksGrid,
    .fieldGrid,
    .fieldGridTight {
        grid-template-columns: 1fr;
    }

    .promoInputRow {
        grid-template-columns: 1fr;
    }

    .promoButton {
        width: 100%;
    }

    .cartItem {
        grid-template-columns: minmax(0, 1fr) auto;
    }

    .removeButton {
        grid-column: 1 / -1;
        justify-self: start;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 1ms !important;
        animation-iteration-count: 1 !important;
        scroll-behavior: auto !important;
        transition-duration: 1ms !important;
    }
}