/* ═══════════════════════════════════════════════════════
   FOLIO & CO. — Bookstore Stylesheet
   Palette: Espresso Brown + Warm Cream
   ═══════════════════════════════════════════════════════ */

:root {
    /* Colors */
    --brown-900: #2E1D12;
    --brown-800: #3E2A1B;
    --brown-700: #4E3421;
    --brown-600: #6B4A2F;
    --brown-500: #8A6742;
    --brown-400: #A98467;
    --brown-300: #C9AE93;
    --brown-200: #E3D3C0;
    --cream-50:  #FCF8F2;
    --cream-100: #F7F0E6;
    --cream-200: #EFE4D3;
    --cream-300: #E5D5BE;
    --ink:       #33261A;
    --ink-soft:  #6E5D4B;
    --white:     #FFFFFF;
    --gold:      #C9A24B;
    --success:   #4A7A51;
    --danger:    #A4443C;

    /* Type */
    --font-serif: 'Playfair Display', Georgia, serif;
    --font-sans:  'Jost', 'Segoe UI', sans-serif;

    /* Misc */
    --radius: 14px;
    --radius-sm: 9px;
    --shadow-sm: 0 2px 10px rgba(62, 42, 27, .08);
    --shadow-md: 0 10px 30px rgba(62, 42, 27, .13);
    --shadow-lg: 0 22px 55px rgba(46, 29, 18, .20);
    --transition: .28s cubic-bezier(.4, 0, .2, 1);
}

/* ── Reset ─────────────────────────────── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-sans);
    color: var(--ink);
    background: var(--cream-50);
    line-height: 1.65;
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea, select { font-family: inherit; }

.container { width: min(1200px, 92%); margin-inline: auto; }

::selection { background: var(--brown-600); color: var(--cream-50); }

/* ── Top bar ───────────────────────────── */
.topbar {
    background: var(--brown-900);
    color: var(--cream-200);
    text-align: center;
    font-size: .8rem;
    letter-spacing: .06em;
    padding: .5rem 1rem;
}

/* ── Header ────────────────────────────── */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(252, 248, 242, .92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--cream-200);
    transition: var(--transition);
}
.header.scrolled { box-shadow: var(--shadow-sm); }
.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    height: 74px;
}

/* Logo */
.logo { display: flex; align-items: center; gap: .6rem; }
.logo__mark {
    width: 40px; height: 40px;
    background: var(--brown-700);
    color: var(--cream-100);
    font-family: var(--font-serif);
    font-size: 1.45rem;
    font-weight: 700;
    display: grid; place-items: center;
    border-radius: 50% 50% 50% 4px;
}
.logo__text {
    font-family: var(--font-serif);
    font-size: 1.35rem;
    font-weight: 600;
    color: var(--brown-800);
}
.logo__text em { color: var(--brown-400); font-style: italic; }
.logo--light .logo__text { color: var(--cream-100); }

/* Nav */
.nav__list { display: flex; gap: 2rem; }
.nav__link {
    font-size: .95rem;
    font-weight: 500;
    letter-spacing: .03em;
    color: var(--ink-soft);
    padding: .4rem 0;
    position: relative;
    transition: color var(--transition);
}
.nav__link::after {
    content: '';
    position: absolute;
    left: 0; bottom: 0;
    width: 0; height: 2px;
    background: var(--brown-500);
    transition: width var(--transition);
}
.nav__link:hover, .nav__link.active { color: var(--brown-700); }
.nav__link:hover::after, .nav__link.active::after { width: 100%; }

/* Dropdown */
.nav__dropdown { position: relative; }
.dropdown {
    position: absolute;
    top: calc(100% + 14px);
    left: 50%;
    transform: translateX(-50%) translateY(8px);
    background: var(--white);
    border: 1px solid var(--cream-200);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-md);
    padding: .6rem;
    min-width: 190px;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}
.nav__dropdown:hover .dropdown,
.nav__dropdown:focus-within .dropdown { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.dropdown a {
    display: block;
    padding: .55rem .9rem;
    border-radius: 6px;
    font-size: .92rem;
    color: var(--ink-soft);
    transition: var(--transition);
}
.dropdown a:hover { background: var(--cream-100); color: var(--brown-700); }

/* Header actions */
.header__actions { display: flex; align-items: center; gap: .35rem; }
.icon-btn {
    width: 42px; height: 42px;
    display: grid; place-items: center;
    border-radius: 50%;
    color: var(--brown-700);
    position: relative;
    transition: var(--transition);
}
.icon-btn:hover { background: var(--cream-200); }
.icon-btn svg { width: 21px; height: 21px; }
.cart-count {
    position: absolute;
    top: 2px; right: 0;
    min-width: 18px; height: 18px;
    background: var(--brown-600);
    color: var(--cream-50);
    font-size: .68rem;
    font-weight: 600;
    border-radius: 999px;
    display: grid; place-items: center;
    padding: 0 4px;
    transform: scale(0);
    transition: transform .25s;
}
.cart-count.show { transform: scale(1); }

/* Mobile nav toggle */
.nav-toggle { display: none; flex-direction: column; gap: 5px; padding: 8px; }
.nav-toggle span { width: 22px; height: 2px; background: var(--brown-800); border-radius: 2px; transition: var(--transition); }

/* Search overlay */
.search-overlay {
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--cream-200);
    box-shadow: var(--shadow-md);
    padding: 1.4rem 0 1.8rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: var(--transition);
}
.search-overlay.open { opacity: 1; visibility: visible; transform: translateY(0); }
.search-form { display: flex; gap: .8rem; }
.search-form input {
    flex: 1;
    border: 1.5px solid var(--cream-300);
    background: var(--cream-50);
    border-radius: var(--radius-sm);
    padding: .85rem 1.2rem;
    font-size: 1rem;
    color: var(--ink);
    outline: none;
    transition: var(--transition);
}
.search-form input:focus { border-color: var(--brown-500); }
.search-form button { font-size: 1.1rem; color: var(--ink-soft); padding: 0 .6rem; }
.search-results { margin-top: 1rem; display: grid; gap: .5rem; }
.search-result-item {
    display: flex; justify-content: space-between; align-items: center;
    padding: .7rem 1rem;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}
.search-result-item:hover { background: var(--cream-100); }
.search-result-item .sr-title { font-weight: 500; color: var(--brown-800); }
.search-result-item .sr-author { font-size: .85rem; color: var(--ink-soft); }
.search-result-item .sr-price { font-weight: 600; color: var(--brown-600); }

/* ── Hero ──────────────────────────────── */
.hero {
    position: relative;
    background: linear-gradient(160deg, var(--cream-50) 0%, var(--cream-100) 55%, var(--cream-200) 100%);
    overflow: hidden;
    padding: 4.5rem 0 6.5rem;
}
.hero__grid {
    display: grid;
    grid-template-columns: 1.05fr .95fr;
    gap: 3.5rem;
    align-items: center;
}
.hero__eyebrow {
    display: inline-block;
    font-size: .78rem;
    font-weight: 600;
    letter-spacing: .22em;
    text-transform: uppercase;
    color: var(--brown-500);
    border: 1px solid var(--brown-300);
    border-radius: 999px;
    padding: .45rem 1.1rem;
    margin-bottom: 1.6rem;
    background: rgba(255,255,255,.5);
}
.hero__title {
    font-family: var(--font-serif);
    font-size: clamp(2.4rem, 5vw, 3.9rem);
    line-height: 1.12;
    font-weight: 600;
    color: var(--brown-900);
    margin-bottom: 1.3rem;
}
.hero__title em { color: var(--brown-500); font-style: italic; }
.hero__text {
    font-size: 1.08rem;
    color: var(--ink-soft);
    max-width: 480px;
    margin-bottom: 2.1rem;
    font-weight: 300;
}
.hero__cta { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 2.8rem; }
.hero__stats { display: flex; gap: 2.6rem; flex-wrap: wrap; }
.hero__stats div { display: flex; flex-direction: column; }
.hero__stats strong {
    font-family: var(--font-serif);
    font-size: 1.7rem;
    color: var(--brown-700);
}
.hero__stats span { font-size: .82rem; color: var(--ink-soft); letter-spacing: .04em; }

/* Hero art — CSS bookshelf */
.hero__art { position: relative; height: 430px; }
.hero__shelf {
    position: absolute;
    inset: 0 0 60px 0;
    background: var(--brown-800);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg), inset 0 0 0 10px var(--brown-900);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    gap: 10px;
    padding: 0 34px 12px;
    overflow: hidden;
}
.hero__shelf::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 14px;
    background: var(--brown-600);
}
.book {
    width: 46px;
    border-radius: 4px 4px 0 0;
    position: relative;
    box-shadow: inset -6px 0 0 rgba(0,0,0,.18);
    transition: transform .35s ease;
    flex-shrink: 0;
}
.book:hover { transform: translateY(-10px); }
.book i {
    display: block;
    margin: 14px auto 0;
    width: 62%;
    height: 3px;
    background: rgba(255,255,255,.55);
    border-radius: 2px;
    box-shadow: 0 10px 0 rgba(255,255,255,.3), 0 20px 0 rgba(255,255,255,.3);
}
.book::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 8px;
    background: rgba(255,255,255,.22);
    border-radius: 4px 4px 0 0;
}
.book--1 { height: 74%; background: linear-gradient(180deg, #8A6742, #6B4A2F); }
.book--2 { height: 88%; background: linear-gradient(180deg, #C9AE93, #A98467); }
.book--3 { height: 66%; background: linear-gradient(180deg, #4E3421, #3E2A1B); }
.book--4 { height: 82%; background: linear-gradient(180deg, #C9A24B, #A98436); }
.book--5 { height: 71%; background: linear-gradient(180deg, #E3D3C0, #C9AE93); }
.book--6 { height: 79%; background: linear-gradient(180deg, #6B4A2F, #4E3421); }

.hero__card {
    position: absolute;
    bottom: 0; right: 6%;
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    padding: 1.2rem 1.5rem;
    max-width: 240px;
    border: 1px solid var(--cream-200);
    animation: float 5s ease-in-out infinite;
}
.hero__card-tag {
    display: inline-block;
    font-size: .68rem;
    font-weight: 600;
    letter-spacing: .15em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: .4rem;
}
.hero__card-title { font-family: var(--font-serif); font-weight: 600; color: var(--brown-800); line-height: 1.3; }
.hero__card-author { font-size: .85rem; color: var(--ink-soft); margin-bottom: .35rem; }
.hero__card-stars { color: var(--gold); letter-spacing: .12em; font-size: .9rem; }

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-9px); }
}

.hero__wave { position: absolute; bottom: -1px; left: 0; right: 0; }
.hero__wave svg { width: 100%; height: 60px; display: block; }
.hero__wave path { fill: var(--cream-50); }

/* ── Marquee ───────────────────────────── */
.marquee {
    background: var(--brown-700);
    color: var(--cream-200);
    overflow: hidden;
    padding: .85rem 0;
}
.marquee__track { display: flex; white-space: nowrap; animation: marquee 30s linear infinite; }
.marquee__track span {
    font-size: .85rem;
    letter-spacing: .18em;
    text-transform: uppercase;
    padding-right: 2rem;
}
@keyframes marquee { to { transform: translateX(-50%); } }

/* ── Sections ──────────────────────────── */
.section { padding: 5.5rem 0; }
.section--tinted { background: var(--cream-100); }
.section--brown {
    background:
        radial-gradient(ellipse at 20% 0%, rgba(201,162,75,.12), transparent 55%),
        linear-gradient(160deg, var(--brown-800), var(--brown-900));
}
.section__head { text-align: center; margin-bottom: 3rem; }
.section__head--row {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    text-align: left;
    gap: 2rem;
}
.section__eyebrow {
    display: block;
    font-size: .78rem;
    font-weight: 600;
    letter-spacing: .24em;
    text-transform: uppercase;
    color: var(--brown-500);
    margin-bottom: .6rem;
}
.section__eyebrow--light { color: var(--brown-300); }
.section__title {
    font-family: var(--font-serif);
    font-size: clamp(1.9rem, 3.4vw, 2.6rem);
    font-weight: 600;
    color: var(--brown-900);
}
.section__title--light { color: var(--cream-100); }
.link-arrow {
    font-weight: 500;
    color: var(--brown-600);
    border-bottom: 1.5px solid var(--brown-300);
    padding-bottom: 2px;
    transition: var(--transition);
    white-space: nowrap;
}
.link-arrow:hover { color: var(--brown-800); border-color: var(--brown-600); }

/* ── Categories ────────────────────────── */
.categories {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1.3rem;
}
.category-card {
    position: relative;
    border-radius: var(--radius);
    padding: 2.4rem 1.4rem 2rem;
    text-align: center;
    color: var(--cream-100);
    overflow: hidden;
    transition: var(--transition);
    cursor: pointer;
    box-shadow: var(--shadow-sm);
}
.category-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-md); }
.category-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 40%, rgba(46,29,18,.55));
    z-index: 1;
}
.category-card > * { position: relative; z-index: 2; }
.category-card__icon { font-size: 2.3rem; margin-bottom: .9rem; display: block; }
.category-card h3 { font-family: var(--font-serif); font-size: 1.15rem; font-weight: 600; }
.category-card p { font-size: .8rem; opacity: .85; margin-top: .25rem; letter-spacing: .05em; }
.cat-1 { background: linear-gradient(150deg, #6B4A2F, #3E2A1B); }
.cat-2 { background: linear-gradient(150deg, #A98467, #6B4A2F); }
.cat-3 { background: linear-gradient(150deg, #8A6742, #4E3421); }
.cat-4 { background: linear-gradient(150deg, #C9A24B, #8A6742); }
.cat-5 { background: linear-gradient(150deg, #4E3421, #2E1D12); }

/* ── Book cards ────────────────────────── */
.book-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.6rem;
}
.book-card {
    background: var(--white);
    border-radius: var(--radius);
    border: 1px solid var(--cream-200);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: var(--transition);
}
.book-card:hover { transform: translateY(-7px); box-shadow: var(--shadow-md); border-color: var(--brown-200); }
.book-card__cover {
    position: relative;
    aspect-ratio: 3 / 4;
    display: grid;
    place-items: center;
    padding: 1.6rem;
    text-align: center;
}
.book-card__cover .bc-title {
    font-family: var(--font-serif);
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--cream-50);
    line-height: 1.35;
    text-shadow: 0 2px 8px rgba(0,0,0,.25);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.book-card__cover .bc-author {
    display: block;
    font-size: .72rem;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: rgba(255,255,255,.75);
    margin-top: .5rem;
}
.book-card__cover::before {
    content: '';
    position: absolute;
    left: 0; top: 0; bottom: 0;
    width: 12px;
    background: rgba(0,0,0,.22);
}
.book-card__badge {
    position: absolute;
    top: 12px; right: 12px;
    background: var(--white);
    color: var(--brown-700);
    font-size: .66rem;
    font-weight: 600;
    letter-spacing: .1em;
    text-transform: uppercase;
    padding: .3rem .7rem;
    border-radius: 999px;
    box-shadow: var(--shadow-sm);
}
.book-card__body { padding: 1.1rem 1.2rem 1.3rem; display: flex; flex-direction: column; flex: 1; }
.book-card__cat { font-size: .7rem; letter-spacing: .16em; text-transform: uppercase; color: var(--brown-400); margin-bottom: .3rem; }
.book-card__title {
    font-family: var(--font-serif);
    font-size: 1.08rem;
    font-weight: 600;
    color: var(--brown-900);
    line-height: 1.3;
    margin-bottom: .15rem;
}
.book-card__author { font-size: .86rem; color: var(--ink-soft); margin-bottom: .5rem; }
.book-card__rating { color: var(--gold); font-size: .82rem; letter-spacing: .1em; margin-bottom: .8rem; }
.book-card__rating span { color: var(--ink-soft); letter-spacing: 0; margin-left: .3rem; }
.book-card__foot {
    margin-top: auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: .7rem;
}
.book-card__price { font-family: var(--font-serif); font-size: 1.2rem; font-weight: 700; color: var(--brown-700); }
.book-card__price s { font-size: .85rem; color: var(--brown-300); font-weight: 400; margin-right: .35rem; }
.btn-add {
    background: var(--brown-700);
    color: var(--cream-50);
    font-size: .82rem;
    font-weight: 500;
    letter-spacing: .05em;
    padding: .6rem 1.1rem;
    border-radius: 999px;
    transition: var(--transition);
    white-space: nowrap;
}
.btn-add:hover { background: var(--brown-900); transform: scale(1.04); }
.btn-add.added { background: var(--success); }

/* Cover gradients per book */
.cov-1 { background: linear-gradient(155deg, #6B4A2F, #2E1D12); }
.cov-2 { background: linear-gradient(155deg, #A98467, #4E3421); }
.cov-3 { background: linear-gradient(155deg, #C9A24B, #6B4A2F); }
.cov-4 { background: linear-gradient(155deg, #4E3421, #1F120A); }
.cov-5 { background: linear-gradient(155deg, #8A6742, #3E2A1B); }
.cov-6 { background: linear-gradient(155deg, #C9AE93, #6B4A2F); }
.cov-7 { background: linear-gradient(155deg, #3E2A1B, #6B4A2F); }
.cov-8 { background: linear-gradient(155deg, #A98467, #2E1D12); }
.cov-9 { background: linear-gradient(155deg, #E3D3C0, #8A6742); }
.cov-10 { background: linear-gradient(155deg, #6B4A2F, #C9A24B); }
.cov-11 { background: linear-gradient(155deg, #2E1D12, #A98467); }
.cov-12 { background: linear-gradient(155deg, #8A6742, #C9A24B); }

/* ── Quote banner ──────────────────────── */
.banner {
    background:
        radial-gradient(ellipse at 80% 20%, rgba(201,162,75,.18), transparent 50%),
        linear-gradient(140deg, var(--brown-700), var(--brown-900));
    padding: 5.5rem 0;
    text-align: center;
    color: var(--cream-100);
}
.banner__inner { max-width: 760px; }
.banner__quote-mark { width: 52px; height: 52px; fill: var(--gold); opacity: .85; margin-bottom: 1.4rem; }
.banner blockquote {
    font-family: var(--font-serif);
    font-size: clamp(1.4rem, 3vw, 2rem);
    font-style: italic;
    font-weight: 500;
    line-height: 1.45;
    margin-bottom: 1.2rem;
}
.banner cite {
    display: block;
    font-style: normal;
    font-size: .9rem;
    letter-spacing: .18em;
    text-transform: uppercase;
    color: var(--brown-300);
    margin-bottom: 2.2rem;
}

/* ── Features ──────────────────────────── */
.features {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}
.feature {
    background: rgba(252, 248, 242, .05);
    border: 1px solid rgba(252, 248, 242, .12);
    border-radius: var(--radius);
    padding: 2rem 1.6rem;
    transition: var(--transition);
}
.feature:hover { background: rgba(252, 248, 242, .09); transform: translateY(-6px); }
.feature__icon {
    width: 54px; height: 54px;
    background: var(--cream-100);
    border-radius: 50%;
    display: grid; place-items: center;
    font-size: 1.5rem;
    margin-bottom: 1.2rem;
}
.feature h3 { font-family: var(--font-serif); font-size: 1.15rem; color: var(--cream-50); margin-bottom: .5rem; }
.feature p { font-size: .92rem; color: var(--brown-200); font-weight: 300; }

/* ── Testimonials ──────────────────────── */
.testimonials {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.6rem;
}
.testimonial {
    background: var(--white);
    border: 1px solid var(--cream-200);
    border-radius: var(--radius);
    padding: 2rem 1.8rem;
    position: relative;
    transition: var(--transition);
}
.testimonial:hover { box-shadow: var(--shadow-md); transform: translateY(-5px); }
.testimonial::before {
    content: '"';
    position: absolute;
    top: .4rem; right: 1.4rem;
    font-family: var(--font-serif);
    font-size: 5rem;
    color: var(--cream-200);
    line-height: 1;
}
.testimonial__stars { color: var(--gold); letter-spacing: .12em; margin-bottom: 1rem; }
.testimonial p { font-size: .97rem; color: var(--ink-soft); font-style: italic; margin-bottom: 1.3rem; }
.testimonial__who { display: flex; align-items: center; gap: .8rem; }
.testimonial__avatar {
    width: 42px; height: 42px;
    border-radius: 50%;
    display: grid; place-items: center;
    font-family: var(--font-serif);
    font-weight: 600;
    color: var(--cream-50);
}
.av-1 { background: var(--brown-600); }
.av-2 { background: var(--brown-800); }
.av-3 { background: var(--gold); }
.testimonial__who strong { display: block; font-size: .92rem; color: var(--brown-900); }
.testimonial__who span { font-size: .78rem; color: var(--ink-soft); }

/* ── Newsletter ────────────────────────── */
.newsletter { padding: 0 0 5.5rem; }
.newsletter__inner {
    background:
        radial-gradient(ellipse at 15% 110%, rgba(201,162,75,.25), transparent 55%),
        linear-gradient(140deg, var(--brown-600), var(--brown-800));
    border-radius: 22px;
    padding: 3.5rem 3rem;
    display: grid;
    grid-template-columns: 1.2fr .8fr;
    gap: 2.5rem;
    align-items: center;
    color: var(--cream-100);
    box-shadow: var(--shadow-lg);
}
.newsletter h2 { font-family: var(--font-serif); font-size: 2rem; margin-bottom: .6rem; }
.newsletter p { color: var(--brown-200); font-weight: 300; max-width: 460px; }
.newsletter__form { display: flex; gap: .7rem; }
.newsletter__form input {
    flex: 1;
    border: 1.5px solid rgba(252,248,242,.3);
    background: rgba(252,248,242,.1);
    color: var(--cream-50);
    border-radius: 999px;
    padding: .9rem 1.4rem;
    font-size: .95rem;
    outline: none;
    transition: var(--transition);
}
.newsletter__form input::placeholder { color: var(--brown-200); }
.newsletter__form input:focus { border-color: var(--gold); }

/* ── Buttons ───────────────────────────── */
.btn {
    display: inline-block;
    font-size: .92rem;
    font-weight: 500;
    letter-spacing: .04em;
    padding: .95rem 2rem;
    border-radius: 999px;
    transition: var(--transition);
    text-align: center;
}
.btn--primary {
    background: var(--brown-700);
    color: var(--cream-50);
    box-shadow: 0 8px 22px rgba(78, 52, 33, .3);
}
.btn--primary:hover { background: var(--brown-900); transform: translateY(-2px); box-shadow: 0 12px 28px rgba(78,52,33,.38); }
.btn--ghost {
    border: 1.5px solid var(--brown-400);
    color: var(--brown-700);
}
.btn--ghost:hover { background: var(--white); border-color: var(--brown-600); }
.btn--light {
    background: var(--cream-100);
    color: var(--brown-800);
}
.btn--light:hover { background: var(--white); transform: translateY(-2px); }
.btn--full { width: 100%; }

/* ── Footer ────────────────────────────── */
.footer { background: var(--brown-900); color: var(--brown-200); }
.footer__grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 2.5rem;
    padding: 4.5rem 0 3.5rem;
}
.footer__col h4 {
    font-family: var(--font-serif);
    font-size: 1.05rem;
    color: var(--cream-100);
    margin-bottom: 1.2rem;
}
.footer__col ul li { margin-bottom: .65rem; }
.footer__col ul a { font-size: .92rem; transition: var(--transition); }
.footer__col ul a:hover { color: var(--gold); padding-left: 4px; }
.footer__col--brand p { font-size: .92rem; font-weight: 300; margin: 1.2rem 0 1.4rem; max-width: 300px; }
.socials { display: flex; gap: 1.1rem; }
.socials a {
    font-size: .82rem;
    letter-spacing: .06em;
    border-bottom: 1px solid var(--brown-600);
    padding-bottom: 2px;
    transition: var(--transition);
}
.socials a:hover { color: var(--gold); border-color: var(--gold); }
.footer__contact li { font-size: .92rem; margin-bottom: .7rem; }
.footer__bottom { border-top: 1px solid rgba(252,248,242,.1); padding: 1.4rem 0; }
.footer__bottom-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
    font-size: .84rem;
}
.footer__pay { display: flex; gap: .5rem; }
.footer__pay span {
    border: 1px solid rgba(252,248,242,.2);
    border-radius: 5px;
    padding: .2rem .6rem;
    font-size: .72rem;
    letter-spacing: .05em;
    color: var(--brown-200);
}

/* ── Toast ─────────────────────────────── */
.toast {
    position: fixed;
    bottom: 26px;
    left: 50%;
    transform: translateX(-50%) translateY(90px);
    background: var(--brown-900);
    color: var(--cream-100);
    padding: .9rem 1.7rem;
    border-radius: 999px;
    font-size: .92rem;
    box-shadow: var(--shadow-lg);
    z-index: 999;
    transition: transform .35s cubic-bezier(.34,1.4,.64,1);
    display: flex;
    align-items: center;
    gap: .6rem;
}
.toast.show { transform: translateX(-50%) translateY(0); }
.toast::before { content: '✓'; color: var(--gold); font-weight: 700; }

/* ── Reveal on scroll ──────────────────── */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ═══════════════ RESPONSIVE ═══════════════ */
@media (max-width: 1024px) {
    .categories { grid-template-columns: repeat(3, 1fr); }
    .book-grid { grid-template-columns: repeat(3, 1fr); }
    .features { grid-template-columns: repeat(2, 1fr); }
    .testimonials { grid-template-columns: 1fr 1fr; }
    .newsletter__inner { grid-template-columns: 1fr; }
    .footer__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 820px) {
    .hero { padding: 3rem 0 5.5rem; }
    .hero__grid { grid-template-columns: 1fr; gap: 2.5rem; }
    .hero__art { height: 340px; max-width: 480px; margin-inline: auto; width: 100%; }
    .section__head--row { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 768px) {
    .nav-toggle { display: flex; }
    .nav {
        position: fixed;
        top: 0; right: -100%;
        width: min(320px, 85vw);
        height: 100vh;
        background: var(--white);
        box-shadow: var(--shadow-lg);
        padding: 6rem 2rem 2rem;
        transition: right .35s ease;
        z-index: 99;
    }
    .nav.open { right: 0; }
    .nav__list { flex-direction: column; gap: 1.2rem; }
    .nav__link { font-size: 1.1rem; }
    .dropdown {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        padding: .4rem 0 0 1rem;
        display: none;
    }
    .nav__dropdown:hover .dropdown { display: block; }
    .book-grid { grid-template-columns: repeat(2, 1fr); gap: 1rem; }
    .testimonials { grid-template-columns: 1fr; }
    .newsletter__inner { padding: 2.5rem 1.6rem; }
}

@media (max-width: 560px) {
    .categories { grid-template-columns: repeat(2, 1fr); }
    .features { grid-template-columns: 1fr; }
    .footer__grid { grid-template-columns: 1fr; gap: 2rem; }
    .hero__stats { gap: 1.6rem; }
    .newsletter__form { flex-direction: column; }
    .topbar { font-size: .72rem; }
}