:root {
    --cream: #F8F2E6;
    --paper: #FBF7EF;
    --green: #33402F;
    --dgreen: #26301F;
    --sage: #5B6B4F;
    --gold: #C08A2D;
    --lgold: #D9A94F;
    --brown: #8A5A22;
    --mut: #6A6350;
    --line: #E2D5B8;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    background: var(--cream);
    color: var(--green);
    font: 16px/1.65 Georgia, 'Times New Roman', serif;
    font-family: 'Segoe UI', system-ui, sans-serif;
    -webkit-font-smoothing: antialiased;
}

.serif {
    font-family: Georgia, 'Cormorant Garamond', serif;
}

h1,
h2,
h3,
.brandname {
    font-family: Georgia, 'Cormorant Garamond', serif;
    font-weight: 600;
    color: var(--dgreen);
}

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

a {
    color: inherit;
}

.wrap {
    max-width: 1080px;
    margin: 0 auto;
    padding: 0 22px;
}

.eyebrow {
    font-size: .72rem;
    letter-spacing: .34em;
    text-transform: uppercase;
    color: var(--gold);
    display: flex;
    align-items: center;
    gap: 14px;
    justify-content: center;
    font-weight: 600;
}

.eyebrow::before,
.eyebrow::after {
    content: "";
    width: 42px;
    height: 1px;
    background: var(--gold);
    opacity: .7;
}

.diamond {
    color: var(--gold);
}

/* header */
header {
    position: sticky;
    top: 0;
    z-index: 20;
    background: rgba(248, 242, 230, .92);
    backdrop-filter: blur(6px);
    border-bottom: 1px solid var(--line);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.brand svg {
    width: 38px;
    height: 38px;
}

.brandname {
    font-size: 1.05rem;
    letter-spacing: .18em;
}

nav.links {
    display: flex;
    gap: 26px;
    font-size: .8rem;
    letter-spacing: .14em;
    text-transform: uppercase;
}

nav.links a {
    text-decoration: none;
    color: var(--mut);
    padding: 4px 0;
    border-bottom: 1.5px solid transparent;
    transition: .2s;
}

nav.links a:hover,
nav.links a:focus-visible {
    color: var(--dgreen);
    border-color: var(--gold);
    outline: none;
}

@media (max-width:640px) {
    nav.links {
        display: none;
    }
}

/* hero */
.hero {
    text-align: center;
    padding: 72px 0 64px;
    position: relative;
    overflow: hidden;
}

.mark {
    width: min(240px, 54vw);
    margin: 0 auto 26px;
}

.rays line {
    transform-origin: 200px 200px;
}

@media (prefers-reduced-motion:no-preference) {
    .mark {
        animation: breathe 7s ease-in-out infinite;
    }

    @keyframes breathe {

        0%,
        100% {
            transform: scale(1);
        }

        50% {
            transform: scale(1.025);
        }
    }

    .rays {
        animation: spin 90s linear infinite;
        transform-origin: 200px 200px;
    }

    @keyframes spin {
        to {
            transform: rotate(360deg);
        }
    }

    .rise {
        opacity: 0;
        transform: translateY(18px);
        transition: opacity .7s ease, transform .7s ease;
    }

    .rise.in {
        opacity: 1;
        transform: none;
    }
}

.hero h1 {
    font-size: clamp(2.3rem, 5.6vw, 3.9rem);
    line-height: 1.06;
    margin: 18px 0 8px;
}

.hero h1 em {
    font-style: italic;
    color: var(--gold);
}

.hero p.sub {
    max-width: 560px;
    margin: 14px auto 30px;
    color: var(--mut);
    font-size: 1.02rem;
}

.btn {
    display: inline-block;
    background: var(--dgreen);
    color: var(--cream);
    text-decoration: none;
    padding: 15px 34px;
    font-size: .8rem;
    letter-spacing: .22em;
    text-transform: uppercase;
    font-weight: 600;
    border: 1px solid var(--dgreen);
    transition: .2s;
}

.btn:hover,
.btn:focus-visible {
    background: var(--gold);
    border-color: var(--gold);
    color: #fff;
    outline: none;
}

.btn.gold {
    background: var(--gold);
    border-color: var(--gold);
}

.btn.gold:hover {
    background: var(--brown);
    border-color: var(--brown);
}

.hero .tagline {
    margin-top: 34px;
    font-size: .7rem;
    letter-spacing: .3em;
    color: var(--mut);
    text-transform: uppercase;
}

.hero .tagline b {
    color: var(--gold);
}

/* seções */
section {
    padding: 76px 0;
}

section.alt {
    background: var(--paper);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

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

.sechead h2 {
    font-size: clamp(1.8rem, 3.6vw, 2.5rem);
    margin: 12px 0 10px;
}

.sechead p {
    color: var(--mut);
    max-width: 520px;
    margin: 0 auto;
}

/* coleção */
.shelf {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
    gap: 34px;
}

.book {
    background: var(--paper);
    border: 1px solid var(--line);
    padding: 28px 26px 30px;
    display: flex;
    flex-direction: column;
    text-align: center;
    position: relative;
    transition: .25s;
}

.book:hover {
    transform: translateY(-5px);
    box-shadow: 0 18px 40px -22px rgba(38, 48, 31, .35);
}

.book::before {
    content: "";
    position: absolute;
    inset: 8px;
    border: 1px solid var(--gold);
    opacity: .28;
    pointer-events: none;
}

.cover {
    width: min(230px, 72%);
    margin: 0 auto 22px;
    box-shadow: 0 14px 30px -14px rgba(38, 48, 31, .45);
    border: 1px solid var(--line);
    transform: rotate(-1deg);
    transition: .3s;
}

.book:hover .cover {
    transform: rotate(0) scale(1.02);
}

.book h3 {
    font-size: 1.45rem;
    line-height: 1.2;
    margin-bottom: 8px;
}

.book-detail-trigger {
    border: 0;
    background: none;
    color: inherit;
    cursor: pointer;
    font: inherit;
    text-align: center;
    position: relative;
    z-index: 1;
}

.book-detail-trigger:focus-visible {
    outline: 2px solid var(--gold);
    outline-offset: 5px;
}

.book h3 .book-detail-trigger {
    font-family: Georgia, 'Cormorant Garamond', serif;
    font-size: inherit;
    font-weight: 600;
    line-height: inherit;
    color: var(--dgreen);
    text-decoration: underline;
    text-decoration-color: transparent;
    text-underline-offset: 5px;
    transition: .2s;
}

.book h3 .book-detail-trigger:hover,
.book h3 .book-detail-trigger:focus-visible {
    color: var(--gold);
    text-decoration-color: var(--gold);
}

.cover-btn {
    display: block;
    width: min(230px, 72%);
    margin: 0 auto 22px;
}

.cover-btn .cover {
    width: 100%;
    margin: 0;
}

.book .desc {
    font-size: .92rem;
    color: var(--mut);
    margin-bottom: 16px;
    flex: 1;
}

.specs {
    display: flex;
    justify-content: center;
    gap: 14px;
    font-size: .68rem;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--brown);
    margin-bottom: 18px;
    flex-wrap: wrap;
}

.specs span::before {
    content: "◆ ";
    color: var(--gold);
}

.price {
    font-family: Georgia, serif;
    font-size: 1.7rem;
    color: var(--dgreen);
    margin-bottom: 16px;
}

.price small {
    font-size: .8rem;
    color: var(--mut);
    letter-spacing: .06em;
}

.book .btn {
    width: 100%;
}

.soon {
    opacity: .75;
}

.soon .cover-ph {
    width: min(230px, 72%);
    aspect-ratio: 400/565;
    margin: 0 auto 22px;
    border: 1.5px dashed var(--gold);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gold);
    font-size: .72rem;
    letter-spacing: .26em;
    text-transform: uppercase;
    background: var(--cream);
}

.modal {
    position: fixed;
    inset: 0;
    z-index: 50;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 28px;
    background: rgba(25, 32, 22, .64);
    overscroll-behavior: contain;
}

.modal.open {
    display: flex;
}

.modal-panel {
    width: min(980px, 100%);
    max-height: calc(100vh - 56px);
    max-height: calc(100dvh - 56px);
    overflow: auto;
    background:
        linear-gradient(135deg, rgba(255, 255, 255, .98), rgba(251, 247, 239, .99)),
        var(--paper);
    border: 1px solid rgba(226, 213, 184, .94);
    border-radius: 30px;
    box-shadow: 0 24px 62px -34px rgba(0, 0, 0, .62);
    position: relative;
    scrollbar-color: rgba(192, 138, 45, .58) rgba(226, 213, 184, .36);
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
    touch-action: pan-y;
}

.modal-panel::-webkit-scrollbar {
    width: 10px;
}

.modal-panel::-webkit-scrollbar-track {
    background: rgba(226, 213, 184, .36);
    border-radius: 999px;
}

.modal-panel::-webkit-scrollbar-thumb {
    background: rgba(192, 138, 45, .58);
    border-radius: 999px;
}

.modal-close {
    position: sticky;
    top: 18px;
    z-index: 4;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    margin: 18px 18px -62px auto;
    border: 1px solid rgba(226, 213, 184, .9);
    border-radius: 50%;
    background: rgba(255, 255, 255, .96);
    color: #17130f;
    cursor: pointer;
    font-size: 1.45rem;
    font-weight: 800;
    line-height: 1;
    padding-bottom: 2px;
    box-shadow: 0 12px 26px -18px rgba(0, 0, 0, .42);
    transition: .2s;
}

.modal-close:hover,
.modal-close:focus-visible {
    background: #fff;
    color: var(--gold);
    border-color: rgba(192, 138, 45, .42);
    outline: none;
}

.modal-content {
    display: grid;
    grid-template-columns: minmax(210px, 260px) minmax(0, 1fr);
    gap: 36px;
    min-height: 100%;
    margin: 14px;
    padding: 36px;
    border-radius: 22px;
}

.modal-cover {
    border: 1px solid var(--line);
    border-radius: 10px;
    box-shadow: 0 22px 38px -22px rgba(38, 48, 31, .58);
    position: sticky;
    top: 36px;
}

.modal-kicker {
    color: var(--gold);
    font-size: .68rem;
    font-weight: 700;
    letter-spacing: .22em;
    text-transform: uppercase;
    margin-bottom: 8px;
}

.modal-title {
    font-size: clamp(1.9rem, 4vw, 2.65rem);
    line-height: 1.08;
    margin-bottom: 12px;
    max-width: 620px;
}

.modal-summary {
    color: var(--mut);
    font-size: 1.02rem;
    line-height: 1.75;
    max-width: 650px;
    margin-bottom: 24px;
}

.modal-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 22px;
    margin-bottom: 24px;
}

.modal-block {
    background: rgba(255, 252, 246, .64);
    border: 1px solid rgba(226, 213, 184, .78);
    border-radius: 12px;
    padding: 22px 22px 16px;
}

.modal-block h4 {
    color: var(--dgreen);
    font-size: .82rem;
    letter-spacing: .18em;
    margin-bottom: 10px;
    text-transform: uppercase;
}

.modal-block ul {
    list-style: none;
}

.modal-block li {
    color: var(--mut);
    font-size: .93rem;
    line-height: 1.62;
    margin-bottom: 11px;
    padding-left: 20px;
    position: relative;
}

.modal-block li::before {
    content: "◆";
    position: absolute;
    left: 0;
    top: 0;
    color: var(--gold);
    font-size: .58rem;
}

.modal-note {
    background: rgba(248, 242, 230, .72);
    border: 1px solid rgba(217, 169, 79, .34);
    border-radius: 12px;
    color: var(--mut);
    font-size: .94rem;
    line-height: 1.6;
    padding: 16px 18px;
    margin-bottom: 24px;
}

.modal-actions {
    display: flex;
    align-items: center;
    gap: 18px;
    flex-wrap: wrap;
}

.modal-actions .btn {
    min-width: 230px;
    text-align: center;
    border-radius: 10px;
}

.modal-price {
    color: var(--dgreen);
    font-family: Georgia, serif;
    font-size: 1.55rem;
}

body.modal-active {
    overflow: hidden;
}

@media (max-width:760px) {
    .modal {
        align-items: center;
        padding: max(34px, env(safe-area-inset-top)) 10px max(34px, env(safe-area-inset-bottom));
    }

    .modal-panel {
        width: min(430px, 100%);
        max-height: calc(100vh - 68px);
        max-height: calc(100dvh - 68px);
        border-radius: 28px;
    }

    .modal-close {
        top: 12px;
        width: 40px;
        height: 40px;
        margin: 12px 12px -52px auto;
        border-radius: 50%;
    }

    .modal-content {
        grid-template-columns: 1fr;
        gap: 20px;
        margin: 10px;
        padding: 28px 20px 24px;
        border-radius: 18px 18px 12px 12px;
    }

    .modal-cover {
        width: min(190px, 58%);
        margin: 0 auto;
        position: static;
    }

    .modal-kicker {
        font-size: .64rem;
        letter-spacing: .22em;
    }

    .modal-title {
        font-size: clamp(1.85rem, 10vw, 2.45rem);
        line-height: 1.05;
    }

    .modal-summary {
        font-size: .98rem;
        line-height: 1.65;
        margin-bottom: 18px;
    }

    .modal-grid {
        grid-template-columns: 1fr;
        gap: 14px;
    }

    .modal-block {
        padding: 17px 17px 10px;
    }

    .modal-block li {
        font-size: .91rem;
        line-height: 1.58;
    }

    .modal-note {
        font-size: .9rem;
        margin-bottom: 18px;
    }

    .modal-actions .btn {
        width: 100%;
        min-width: 0;
    }

    .modal-price {
        width: 100%;
        text-align: center;
        font-size: 1.35rem;
    }
}

/* como funciona */
.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 26px;
}

.step {
    text-align: center;
    padding: 30px 22px;
    background: var(--cream);
    border: 1px solid var(--line);
}

.stepn {
    font-family: Georgia, serif;
    font-size: 2rem;
    color: var(--gold);
}

.step h3 {
    font-size: 1.12rem;
    margin: 8px 0 8px;
}

.step p {
    font-size: .9rem;
    color: var(--mut);
}

/* sobre */
.about {
    max-width: 640px;
    margin: 0 auto;
    text-align: center;
}

.about p {
    color: var(--mut);
    margin-bottom: 16px;
}

.about p b {
    color: var(--green);
}

/* faq */
.faq {
    max-width: 680px;
    margin: 0 auto;
}

details {
    border-bottom: 1px solid var(--line);
    padding: 18px 4px;
}

summary {
    cursor: pointer;
    font-weight: 600;
    color: var(--dgreen);
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
}

summary::-webkit-details-marker {
    display: none;
}

summary::after {
    content: "+";
    color: var(--gold);
    font-size: 1.3rem;
    transition: .2s;
}

details[open] summary::after {
    transform: rotate(45deg);
}

details p {
    color: var(--mut);
    font-size: .93rem;
    padding-top: 10px;
}

/* footer */
footer {
    background: var(--dgreen);
    color: #D8D2C0;
    text-align: center;
    padding: 52px 22px 42px;
}

footer .brandname {
    color: var(--cream);
    letter-spacing: .24em;
    font-size: 1.2rem;
}

footer .tag {
    font-size: .66rem;
    letter-spacing: .3em;
    text-transform: uppercase;
    margin-top: 10px;
    color: #B8B29E;
}

footer .tag b {
    color: var(--lgold);
}

footer .fine {
    font-size: .72rem;
    margin-top: 26px;
    opacity: .65;
}