/* ============================================================
   HENRIQUE FLORES — ESCRITOR
   app.css — Estilo principal
   ============================================================ */

/* ------------------------------------------------------------
   1. CSS VARIABLES
   ------------------------------------------------------------ */
:root {
    --bg:           #f9f8f5;
    --bg-alt:       #f2f0eb;
    --bg-dark:      #1a1917;
    --dark:         #1c1b18;
    --text:         #2e2d2a;
    --text-muted:   #6b6860;
    --accent:       #8c6d46;
    --accent-hover: #7a5e3a;
    --accent-light: rgba(140, 109, 70, 0.08);
    --border:       #dcd9d3;
    --border-dark:  rgba(255, 255, 255, 0.07);
    --white:        #ffffff;
    --cream:        #f9f8f5;

    --font-serif: 'Playfair Display', Georgia, 'Times New Roman', serif;
    --font-sans:  'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    --transition: 0.24s ease;
    --radius:     3px;
    --radius-md:  6px;

    --shadow-book:
        8px 12px 28px rgba(28, 27, 24, 0.22),
        2px 4px 8px  rgba(28, 27, 24, 0.12),
        -3px 0 6px   rgba(28, 27, 24, 0.06);

    --shadow-book-hover:
        14px 20px 40px rgba(28, 27, 24, 0.28),
        4px  6px 12px  rgba(28, 27, 24, 0.16),
        -4px 0  8px    rgba(28, 27, 24, 0.08);
}


/* ------------------------------------------------------------
   2. BASE / RESET
   ------------------------------------------------------------ */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg);
    color: var(--text);
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: 1.7;
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: color var(--transition);
}

a:hover {
    color: var(--accent-hover);
}

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


/* ------------------------------------------------------------
   3. TIPOGRAFIA
   ------------------------------------------------------------ */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
    font-weight: 600;
    color: var(--dark);
    line-height: 1.2;
    margin-bottom: 0;
}

.eyebrow {
    display: inline-block;
    font-family: var(--font-sans);
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 0.85rem;
}

.divider-thin {
    border: none;
    border-top: 1px solid var(--border);
    margin: 1.75rem 0;
}


/* ------------------------------------------------------------
   4. NAVBAR
   ------------------------------------------------------------ */
.site-navbar {
    background-color: var(--bg-dark) !important;
    padding-top: 1.1rem;
    padding-bottom: 1.1rem;
    border-bottom: 1px solid var(--border-dark);
    transition: padding var(--transition), background-color var(--transition);
    z-index: 1030;
}

.site-navbar.is-scrolled {
    padding-top: 0.65rem;
    padding-bottom: 0.65rem;
}

/* Brand */
.site-brand {
    display: flex;
    flex-direction: column;
    line-height: 1;
    text-decoration: none !important;
    gap: 3px;
}

.brand-name {
    font-family: var(--font-serif);
    font-size: 1.45rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    color: var(--cream);
    transition: color var(--transition);
}

.site-brand:hover .brand-name {
    color: var(--cream);
    opacity: 0.85;
}

.brand-tagline {
    font-family: var(--font-sans);
    font-size: 0.6rem;
    font-weight: 300;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: rgba(249, 248, 245, 0.4);
    padding-left: 1px;
}

/* Nav links */
.site-navbar .nav-link {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 400;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: rgba(249, 248, 245, 0.62) !important;
    padding: 0.5rem 0.85rem !important;
    position: relative;
    transition: color var(--transition);
}

.site-navbar .nav-link::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 0.85rem;
    right: 0.85rem;
    height: 1px;
    background-color: var(--accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition);
}

.site-navbar .nav-link:hover,
.site-navbar .nav-link.active {
    color: var(--cream) !important;
}

.site-navbar .nav-link:hover::after,
.site-navbar .nav-link.active::after {
    transform: scaleX(1);
}

/* Toggler */
.navbar-toggler:focus,
.navbar-toggler:active {
    box-shadow: none !important;
    outline: none;
}

/* Mobile nav collapse */
@media (max-width: 991.98px) {
    .site-navbar .navbar-collapse {
        padding-top: 1rem;
        padding-bottom: 0.5rem;
        border-top: 1px solid var(--border-dark);
        margin-top: 0.75rem;
    }

    .site-navbar .nav-link {
        padding: 0.6rem 0 !important;
    }

    .site-navbar .nav-link::after {
        bottom: 0;
        left: 0;
        right: auto;
        width: 24px;
    }
}


/* ------------------------------------------------------------
   5. BREADCRUMB
   ------------------------------------------------------------ */
.page-breadcrumb-wrap {
    background-color: var(--bg-alt);
    border-bottom: 1px solid var(--border);
    padding: 0.7rem 0;
}

.page-breadcrumb-wrap .breadcrumb {
    margin: 0;
    font-size: 0.78rem;
    letter-spacing: 0.03em;
}

.page-breadcrumb-wrap .breadcrumb-item + .breadcrumb-item::before {
    content: "—";
    color: var(--border);
    padding-right: 0.5rem;
}

.page-breadcrumb-wrap .breadcrumb-item a {
    color: var(--text-muted);
    transition: color var(--transition);
}

.page-breadcrumb-wrap .breadcrumb-item a:hover {
    color: var(--accent);
}

.page-breadcrumb-wrap .breadcrumb-item.active {
    color: var(--text);
    font-weight: 500;
}


/* ------------------------------------------------------------
   6. PRODUCT SECTION
   ------------------------------------------------------------ */
.product-section {
    padding: 4.5rem 0 5.5rem;
}

/* --- Book Cover --- */
.book-cover-wrapper {
    display: flex;
    justify-content: center;
    align-items: flex-start;
}

.book-cover-frame {
    position: relative;
    width: 100%;
    max-width: 340px;
}

.book-cover-img {
    width: 100%;
    border-radius: var(--radius);
    box-shadow: var(--shadow-book);
    transition: transform 0.45s ease, box-shadow 0.45s ease;
    cursor: pointer;
}

.book-cover-img:hover {
    transform: translateY(-6px) rotate(-0.6deg);
    box-shadow: var(--shadow-book-hover);
}

.book-cover-badge {
    position: absolute;
    top: -10px;
    right: -10px;
    background-color: var(--accent);
    color: var(--white);
    font-family: var(--font-sans);
    font-size: 0.6rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 0.3rem 0.7rem;
    border-radius: 2px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.18);
    white-space: nowrap;
}

/* --- Product Info --- */
.product-info {
    padding-left: 1.75rem;
}

.product-category {
    font-family: var(--font-sans);
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--accent);
    display: block;
    margin-bottom: 0.75rem;
}

.product-title {
    font-family: var(--font-serif);
    font-size: 2.35rem;
    font-weight: 600;
    line-height: 1.15;
    color: var(--dark);
    margin-bottom: 0.5rem;
}

.product-subtitle {
    font-family: var(--font-serif);
    font-size: 1.05rem;
    font-weight: 400;
    font-style: italic;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.product-author {
    font-size: 0.88rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.product-author strong {
    font-weight: 600;
    color: var(--text);
}

/* Product short description */
.product-short-desc {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.85;
    margin-bottom: 1.75rem;
    padding-bottom: 1.75rem;
    border-bottom: 1px solid var(--border);
}

/* --- Price --- */
.price-block {
    margin-bottom: 1.75rem;
}

.price-label {
    font-family: var(--font-sans);
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--text-muted);
    display: block;
    margin-bottom: 0.4rem;
}

.price-value {
    font-family: var(--font-serif);
    font-size: 2.6rem;
    font-weight: 600;
    color: var(--dark);
    line-height: 1;
    display: flex;
    align-items: flex-start;
    gap: 4px;
}

.price-currency {
    font-size: 1.1rem;
    font-weight: 400;
    margin-top: 0.3rem;
    color: var(--text-muted);
}

.price-int {
    letter-spacing: -0.02em;
}

.price-cents {
    font-size: 1.35rem;
    font-weight: 400;
    margin-top: 0.25rem;
    color: var(--text-muted);
}

.price-note {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-top: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.price-note i {
    color: var(--accent);
    font-size: 0.8rem;
}

/* --- Format Selector --- */
.format-block {
    margin-bottom: 1.75rem;
}

.format-block-label {
    font-family: var(--font-sans);
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--text-muted);
    display: block;
    margin-bottom: 0.75rem;
}

.format-options {
    display: flex;
    gap: 0.65rem;
}

.format-option {
    flex: 1;
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    padding: 0.85rem 1rem;
    cursor: pointer;
    transition: border-color var(--transition), background-color var(--transition);
    text-align: center;
    background-color: transparent;
    user-select: none;
}

.format-option:hover {
    border-color: var(--accent);
    background-color: var(--accent-light);
}

.format-option.is-active {
    border-color: var(--accent);
    background-color: var(--accent-light);
}

.format-option .fo-icon {
    font-size: 1.35rem;
    color: var(--text-muted);
    display: block;
    margin-bottom: 0.3rem;
    transition: color var(--transition);
}

.format-option.is-active .fo-icon,
.format-option:hover .fo-icon {
    color: var(--accent);
}

.format-option .fo-name {
    font-size: 0.76rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--dark);
    display: block;
}

.format-option .fo-sub {
    font-size: 0.68rem;
    color: var(--text-muted);
    display: block;
    margin-top: 0.15rem;
}

/* --- Quantity + Buy Row --- */
.purchase-row {
    display: flex;
    align-items: stretch;
    gap: 0.75rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

/* Quantity Control */
.qty-control {
    display: flex;
    align-items: stretch;
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    flex-shrink: 0;
}

.qty-btn {
    background-color: transparent;
    border: none;
    width: 42px;
    height: 52px;
    font-size: 1.05rem;
    color: var(--text-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--transition), color var(--transition);
    line-height: 1;
    flex-shrink: 0;
}

.qty-btn:hover {
    background-color: var(--bg-alt);
    color: var(--dark);
}

.qty-input {
    width: 50px;
    height: 52px;
    border: none;
    border-left: 1.5px solid var(--border);
    border-right: 1.5px solid var(--border);
    text-align: center;
    font-size: 1rem;
    font-weight: 500;
    color: var(--dark);
    background-color: transparent;
    outline: none;
    -moz-appearance: textfield;
}

.qty-input::-webkit-inner-spin-button,
.qty-input::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

/* Buttons */
.btn-buy-now {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    flex: 1;
    min-width: 180px;
    background-color: var(--accent);
    color: var(--white) !important;
    border: 2px solid var(--accent);
    font-family: var(--font-sans);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    padding: 0.85rem 1.5rem;
    border-radius: var(--radius);
    text-decoration: none !important;
    cursor: pointer;
    transition: background-color var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition);
    white-space: nowrap;
}

.btn-buy-now:hover {
    background-color: var(--accent-hover);
    border-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(140, 109, 70, 0.3);
}

.btn-add-cart {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background-color: transparent;
    color: var(--accent) !important;
    border: 1.5px solid var(--accent);
    font-family: var(--font-sans);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 0.85rem 1.25rem;
    border-radius: var(--radius);
    text-decoration: none !important;
    cursor: pointer;
    transition: background-color var(--transition), color var(--transition), transform var(--transition);
    white-space: nowrap;
    flex-shrink: 0;
}

.btn-add-cart:hover {
    background-color: var(--accent);
    color: var(--white) !important;
    transform: translateY(-2px);
}

/* Trust Badges */
.trust-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 1.1rem;
    margin-top: 1.25rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--border);
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    font-size: 0.74rem;
    color: var(--text-muted);
    white-space: nowrap;
}

.trust-item i {
    font-size: 0.85rem;
    color: var(--accent);
    flex-shrink: 0;
}


/* ------------------------------------------------------------
   7. SYNOPSIS / SOBRE O LIVRO
   ------------------------------------------------------------ */
.synopsis-section {
    background-color: var(--bg-alt);
    padding: 5rem 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.section-title {
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 1.5rem;
}

.synopsis-text {
    font-size: 0.97rem;
    color: var(--text);
    line-height: 1.95;
}

.synopsis-text p {
    margin-bottom: 1.25rem;
}

.synopsis-text p:last-child {
    margin-bottom: 0;
}

/* Book Details Grid */
.book-details-grid {
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    background-color: var(--white);
}

.book-detail-row {
    display: flex;
    border-bottom: 1px solid var(--border);
}

.book-detail-row:last-child {
    border-bottom: none;
}

.bd-label {
    width: 42%;
    flex-shrink: 0;
    padding: 0.9rem 1.1rem;
    font-family: var(--font-sans);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-muted);
    border-right: 1px solid var(--border);
    background-color: var(--bg-alt);
    display: flex;
    align-items: center;
}

.bd-value {
    padding: 0.9rem 1.1rem;
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--dark);
    display: flex;
    align-items: center;
    flex: 1;
}


/* ------------------------------------------------------------
   8. SOBRE O AUTOR
   ------------------------------------------------------------ */
.author-section {
    padding: 5rem 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    background-color: var(--white);
}

.author-photo-wrap {
    display: inline-block;
    position: relative;
}

.author-photo {
    width: 100%;
    max-width: 300px;
    aspect-ratio: 4 / 5;
    object-fit: cover;
    border-radius: var(--radius-md);
    display: block;
    box-shadow:
        6px 10px 28px rgba(28, 27, 24, 0.16),
        2px 3px 8px  rgba(28, 27, 24, 0.08);
}

/* Detalhe decorativo atrás da foto */
.author-photo-wrap::before {
    content: '';
    position: absolute;
    bottom: -14px;
    left: -14px;
    width: 100%;
    max-width: 300px;
    aspect-ratio: 4 / 5;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-md);
    pointer-events: none;
    z-index: 0;
}

.author-photo {
    position: relative;
    z-index: 1;
}

.author-text {
    font-size: 0.96rem;
    color: var(--text);
    line-height: 1.9;
}

.author-text p {
    margin-bottom: 1.2rem;
}

.author-text p:last-child {
    margin-bottom: 0;
}

/* Responsivo da seção do autor */
@media (max-width: 767.98px) {
    .author-section {
        padding: 3.5rem 0;
    }

    .author-photo {
        max-width: 220px;
        margin: 0 auto;
    }

    .author-photo-wrap::before {
        max-width: 220px;
    }
}


/* ------------------------------------------------------------
   9. E-BOOK SECTION
   ------------------------------------------------------------ */
.ebook-section {
    padding: 5rem 0;
}

.ebook-card {
    background-color: var(--dark);
    border-radius: var(--radius-md);
    padding: 3.75rem 4rem;
    position: relative;
    overflow: hidden;
}

.ebook-card::before {
    content: '';
    position: absolute;
    top: -80px;
    right: -80px;
    width: 280px;
    height: 280px;
    background: radial-gradient(circle, rgba(140, 109, 70, 0.12) 0%, transparent 70%);
    pointer-events: none;
}

.ebook-card::after {
    content: '';
    position: absolute;
    bottom: -60px;
    left: -40px;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(140, 109, 70, 0.06) 0%, transparent 70%);
    pointer-events: none;
}

.ebook-tag {
    display: inline-block;
    font-family: var(--font-sans);
    font-size: 0.6rem;
    font-weight: 700;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--accent);
    border: 1px solid rgba(140, 109, 70, 0.5);
    padding: 0.28rem 0.7rem;
    border-radius: 2px;
    margin-bottom: 1.25rem;
}

.ebook-title {
    font-family: var(--font-serif);
    font-size: 1.85rem;
    font-weight: 600;
    color: var(--cream);
    margin-bottom: 0.85rem;
    line-height: 1.2;
}

.ebook-desc {
    font-size: 0.94rem;
    color: rgba(249, 248, 245, 0.6);
    line-height: 1.85;
    max-width: 520px;
    margin-bottom: 0;
}

.btn-amazon {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    background-color: transparent;
    color: var(--cream) !important;
    border: 1.5px solid rgba(249, 248, 245, 0.28);
    font-family: var(--font-sans);
    font-size: 0.76rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    padding: 0.88rem 1.85rem;
    border-radius: var(--radius);
    text-decoration: none !important;
    transition: border-color var(--transition), background-color var(--transition), transform var(--transition);
    white-space: nowrap;
    align-self: flex-start;
}

.btn-amazon:hover {
    border-color: rgba(249, 248, 245, 0.65);
    background-color: rgba(249, 248, 245, 0.06);
    color: var(--cream) !important;
    transform: translateY(-2px);
}

.btn-amazon i {
    font-size: 0.95rem;
    opacity: 0.7;
}

.ebook-price-note {
    font-size: 0.74rem;
    color: rgba(249, 248, 245, 0.35);
    margin-top: 0.8rem;
}

.ebook-actions {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
}


/* ------------------------------------------------------------
   9. FOOTER
   ------------------------------------------------------------ */
.site-footer {
    background-color: var(--bg-dark);
    color: rgba(249, 248, 245, 0.65);
}

.footer-brand {
    font-family: var(--font-serif);
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--cream);
    margin-bottom: 0;
}

.footer-text {
    font-size: 0.84rem;
    color: rgba(249, 248, 245, 0.48);
    line-height: 1.75;
    margin-bottom: 0;
}

.footer-heading {
    font-family: var(--font-sans);
    font-size: 0.64rem;
    font-weight: 700;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: rgba(249, 248, 245, 0.35);
    margin-bottom: 0;
}

.footer-links li {
    margin-bottom: 0.55rem;
}

.footer-links a {
    font-size: 0.875rem;
    color: rgba(249, 248, 245, 0.58);
    transition: color var(--transition);
}

.footer-links a:hover {
    color: var(--cream);
}

/* Social */
.social-links {
    display: flex;
    gap: 0.6rem;
}

.social-link {
    width: 36px;
    height: 36px;
    border: 1px solid rgba(249, 248, 245, 0.16);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(249, 248, 245, 0.48);
    font-size: 0.78rem;
    text-decoration: none !important;
    transition: border-color var(--transition), color var(--transition), transform var(--transition);
    flex-shrink: 0;
}

.social-link:hover {
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-2px);
}

/* Footer bottom */
.footer-bottom {
    border-top: 1px solid rgba(249, 248, 245, 0.08);
    padding: 1.25rem 0;
}

.footer-copy {
    font-size: 0.76rem;
    color: rgba(249, 248, 245, 0.3);
    margin-bottom: 0;
}


/* ------------------------------------------------------------
   10. HOME PAGE
   ------------------------------------------------------------ */

/* --- Hero --- */
.home-hero {
    min-height: 92vh;
    background-color: var(--bg-dark);
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: 7rem 0 5rem;
}

/* Textura sutil no hero */
.home-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(ellipse at 70% 50%, rgba(140, 109, 70, 0.07) 0%, transparent 65%);
    pointer-events: none;
}

.hero-text {
    position: relative;
    z-index: 1;
}

.hero-eyebrow {
    display: inline-block;
    font-family: var(--font-sans);
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: var(--accent);
    border: 1px solid rgba(140, 109, 70, 0.4);
    padding: 0.28rem 0.75rem;
    border-radius: 2px;
    margin-bottom: 1.75rem;
}

.hero-book-title {
    font-family: var(--font-serif);
    font-size: clamp(2.6rem, 5vw, 4rem);
    font-weight: 600;
    line-height: 1.1;
    color: var(--cream);
    margin-bottom: 0.5rem;
    letter-spacing: -0.01em;
}

.hero-author-name {
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 300;
    letter-spacing: 0.1em;
    color: rgba(249, 248, 245, 0.5);
    margin-bottom: 1.75rem;
}

.hero-desc {
    font-size: 1rem;
    color: rgba(249, 248, 245, 0.62);
    line-height: 1.8;
    max-width: 480px;
    margin-bottom: 2.25rem;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.85rem;
    margin-bottom: 1.75rem;
}

.btn-hero-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    background-color: var(--accent);
    color: var(--white) !important;
    border: 2px solid var(--accent);
    font-family: var(--font-sans);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 0.88rem 1.85rem;
    border-radius: var(--radius);
    text-decoration: none !important;
    transition: background-color var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition);
    white-space: nowrap;
}

.btn-hero-primary:hover {
    background-color: var(--accent-hover);
    border-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(140, 109, 70, 0.35);
}

.btn-hero-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    background-color: transparent;
    color: var(--cream) !important;
    border: 1.5px solid rgba(249, 248, 245, 0.25);
    font-family: var(--font-sans);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 0.88rem 1.75rem;
    border-radius: var(--radius);
    text-decoration: none !important;
    transition: border-color var(--transition), background-color var(--transition), transform var(--transition);
    white-space: nowrap;
}

.btn-hero-secondary:hover {
    border-color: rgba(249, 248, 245, 0.6);
    background-color: rgba(249, 248, 245, 0.06);
    transform: translateY(-2px);
}

.hero-formats {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    font-size: 0.75rem;
    color: rgba(249, 248, 245, 0.35);
}

.hf-item {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    letter-spacing: 0.06em;
}

.hf-item i {
    font-size: 0.8rem;
    color: rgba(140, 109, 70, 0.7);
}

.hf-sep {
    color: rgba(249, 248, 245, 0.2);
}

/* Capa no hero */
.hero-book-wrap {
    position: relative;
    z-index: 1;
}

.hero-book-cover {
    width: 100%;
    max-width: 320px;
    display: block;
    border-radius: var(--radius);
    box-shadow:
        20px 24px 60px rgba(0, 0, 0, 0.55),
        6px 8px 20px rgba(0, 0, 0, 0.3),
        -4px 0 10px rgba(0, 0, 0, 0.2);
    transform: rotate(1.5deg);
    transition: transform 0.5s ease, box-shadow 0.5s ease;
}

.hero-book-cover:hover {
    transform: rotate(0deg) translateY(-6px);
    box-shadow:
        24px 32px 70px rgba(0, 0, 0, 0.6),
        8px 12px 24px rgba(0, 0, 0, 0.35),
        -4px 0 12px rgba(0, 0, 0, 0.2);
}

/* Scroll hint */
.hero-scroll-hint {
    position: absolute;
    bottom: 2.5rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.hero-scroll-hint span {
    display: block;
    width: 1px;
    height: 52px;
    background: linear-gradient(to bottom, rgba(249, 248, 245, 0.35), transparent);
    animation: scrollPulse 2.2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.5; transform: scaleY(1); }
    50%       { opacity: 1;   transform: scaleY(0.7); }
}


/* --- Citação --- */
.quote-section {
    background-color: var(--bg-alt);
    padding: 5.5rem 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.quote-icon {
    font-size: 1.6rem;
    color: var(--accent);
    opacity: 0.5;
    margin-bottom: 1.5rem;
    display: block;
}

.quote-text {
    font-family: var(--font-serif);
    font-size: clamp(1.35rem, 3vw, 1.8rem);
    font-weight: 400;
    font-style: italic;
    color: var(--dark);
    line-height: 1.55;
    margin-bottom: 1.5rem;
    quotes: none;
}

.quote-source {
    font-family: var(--font-sans);
    font-size: 0.76rem;
    font-weight: 500;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--text-muted);
    font-style: normal;
}


/* --- Sobre o Livro (home) --- */
.home-book-section {
    padding: 6rem 0;
    background-color: var(--white);
}

.home-section-title {
    font-family: var(--font-serif);
    font-size: clamp(1.65rem, 3vw, 2.2rem);
    font-weight: 600;
    color: var(--dark);
    line-height: 1.2;
    margin-bottom: 1.25rem;
    margin-top: 0.5rem;
}

.home-book-cover-wrap {
    position: relative;
}

.home-book-cover-img {
    width: 100%;
    max-width: 280px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-book);
    transition: transform 0.45s ease, box-shadow 0.45s ease;
    display: block;
}

.home-book-cover-img:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-book-hover);
}

.home-book-text {
    font-size: 0.97rem;
    color: var(--text-muted);
    line-height: 1.9;
}

.home-book-text p { margin-bottom: 1.1rem; }
.home-book-text p:last-child { margin-bottom: 0; }

.btn-accent {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background-color: var(--accent);
    color: var(--white) !important;
    border: 2px solid var(--accent);
    font-family: var(--font-sans);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 0.82rem 1.65rem;
    border-radius: var(--radius);
    text-decoration: none !important;
    transition: background-color var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition);
    white-space: nowrap;
}

.btn-accent:hover {
    background-color: var(--accent-hover);
    border-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(140, 109, 70, 0.28);
}

.btn-outline-accent {
    display: inline-flex;
    align-items: center;
    font-family: var(--font-sans);
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--accent) !important;
    text-decoration: none !important;
    transition: color var(--transition);
    border: none;
    background: none;
    padding: 0;
    cursor: pointer;
    letter-spacing: 0.02em;
}

.btn-outline-accent:hover {
    color: var(--accent-hover) !important;
}

.home-book-actions {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
}


/* --- Sobre o Autor (home) --- */
.home-author-section {
    padding: 6rem 0;
    background-color: var(--bg-alt);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.home-author-photo-wrap {
    position: relative;
    display: inline-block;
}

.home-author-photo-wrap::before {
    content: '';
    position: absolute;
    bottom: -14px;
    right: -14px;
    width: 100%;
    height: 100%;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-md);
    pointer-events: none;
    z-index: 0;
}

.home-author-photo {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 280px;
    aspect-ratio: 4 / 5;
    object-fit: cover;
    border-radius: var(--radius-md);
    display: block;
    box-shadow:
        6px 10px 28px rgba(28, 27, 24, 0.14),
        2px 3px 8px  rgba(28, 27, 24, 0.08);
}

.home-author-text {
    font-size: 0.97rem;
    color: var(--text-muted);
    line-height: 1.9;
}

.home-author-text p { margin-bottom: 1.1rem; }
.home-author-text p:last-child { margin-bottom: 0; }

.btn-outline-dark {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-family: var(--font-sans);
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text) !important;
    text-decoration: none !important;
    border-bottom: 1px solid var(--border);
    padding-bottom: 2px;
    transition: color var(--transition), border-color var(--transition);
    letter-spacing: 0.02em;
}

.btn-outline-dark:hover {
    color: var(--accent) !important;
    border-color: var(--accent);
}


/* --- Formatos (home) --- */
.home-formats-section {
    padding: 6rem 0;
    background-color: var(--white);
}

.format-card {
    border-radius: var(--radius-md);
    padding: 2.75rem 2.5rem;
    height: 100%;
    display: flex;
    flex-direction: column;
    position: relative;
    transition: transform var(--transition), box-shadow var(--transition);
}

.format-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(28, 27, 24, 0.1);
}

.format-card--featured {
    background-color: var(--bg-dark);
    border: 1.5px solid rgba(140, 109, 70, 0.25);
}

.format-card--ebook {
    background-color: var(--bg-alt);
    border: 1.5px solid var(--border);
}

.fc-tag {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    font-family: var(--font-sans);
    font-size: 0.6rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--accent);
    border: 1px solid rgba(140, 109, 70, 0.4);
    padding: 0.22rem 0.6rem;
    border-radius: 2px;
}

.fc-icon {
    font-size: 1.65rem;
    margin-bottom: 1.5rem;
}

.format-card--featured .fc-icon { color: var(--accent); }
.format-card--ebook   .fc-icon { color: var(--text-muted); }

.fc-title {
    font-family: var(--font-serif);
    font-size: 1.45rem;
    font-weight: 600;
    margin-bottom: 0.85rem;
}

.format-card--featured .fc-title { color: var(--cream); }
.format-card--ebook   .fc-title { color: var(--dark); }

.fc-desc {
    font-size: 0.9rem;
    line-height: 1.8;
    flex: 1;
    margin-bottom: 1.5rem;
}

.format-card--featured .fc-desc { color: rgba(249, 248, 245, 0.58); }
.format-card--ebook   .fc-desc { color: var(--text-muted); }

.fc-price {
    display: flex;
    align-items: flex-start;
    gap: 3px;
    margin-bottom: 0.4rem;
}

.fc-price-currency {
    font-size: 1rem;
    color: rgba(249, 248, 245, 0.55);
    margin-top: 0.35rem;
    font-weight: 400;
}

.fc-price-int {
    font-family: var(--font-serif);
    font-size: 2.4rem;
    font-weight: 600;
    color: var(--cream);
    line-height: 1;
    letter-spacing: -0.02em;
}

.fc-price-cents {
    font-size: 1.1rem;
    color: rgba(249, 248, 245, 0.55);
    margin-top: 0.3rem;
    font-weight: 400;
}

.fc-shipping {
    font-size: 0.76rem;
    color: rgba(249, 248, 245, 0.45);
    margin-bottom: 1.75rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.fc-shipping i { color: rgba(140, 109, 70, 0.7); }

.fc-ebook-note {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-bottom: 1.75rem;
    flex: 1;
}

.fc-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.55rem;
    font-family: var(--font-sans);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 0.88rem 1.5rem;
    border-radius: var(--radius);
    text-decoration: none !important;
    transition: background-color var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition);
    width: 100%;
    white-space: nowrap;
}

.fc-btn:hover { transform: translateY(-2px); }

.fc-btn--primary {
    background-color: var(--accent);
    color: var(--white) !important;
    border: 2px solid var(--accent);
}

.fc-btn--primary:hover {
    background-color: var(--accent-hover);
    border-color: var(--accent-hover);
    box-shadow: 0 6px 20px rgba(140, 109, 70, 0.35);
}

.fc-btn--amazon {
    background-color: transparent;
    color: var(--text) !important;
    border: 1.5px solid var(--border);
}

.fc-btn--amazon:hover {
    border-color: var(--accent);
    color: var(--accent) !important;
    box-shadow: 0 4px 14px rgba(28, 27, 24, 0.08);
}


/* --- Responsivo Home --- */
@media (max-width: 991.98px) {
    .home-hero {
        padding: 5.5rem 0 4rem;
        min-height: auto;
    }

    .hero-book-cover {
        max-width: 260px;
        transform: rotate(0deg);
    }

    .home-book-section,
    .home-author-section,
    .home-formats-section {
        padding: 4rem 0;
    }

    .home-book-cover-img {
        max-width: 220px;
        margin: 0 auto;
    }

    .home-author-photo {
        max-width: 240px;
        margin: 0 auto;
    }

    .home-author-photo-wrap::before {
        max-width: 240px;
    }
}

@media (max-width: 767.98px) {
    .home-hero {
        padding: 4.5rem 0 3.5rem;
    }

    .hero-book-title {
        font-size: 2.4rem;
    }

    .hero-scroll-hint { display: none; }

    .quote-section { padding: 3.5rem 0; }

    .quote-text { font-size: 1.3rem; }

    .home-book-actions {
        flex-direction: column;
        align-items: flex-start;
    }

    .btn-outline-accent { margin-left: 0 !important; }

    .format-card { padding: 2rem 1.75rem; }
}

@media (max-width: 575.98px) {
    .hero-actions { flex-direction: column; }

    .btn-hero-primary,
    .btn-hero-secondary { width: 100%; justify-content: center; }

    .hero-book-cover { max-width: 200px; }
}


/* ------------------------------------------------------------
   11. SOBRE O AUTOR — PAGE
   ------------------------------------------------------------ */

/* Header da página */
.autor-page-header {
    background-color: var(--bg-dark);
    padding: 4.5rem 0 3.5rem;
    position: relative;
    overflow: hidden;
}

.autor-page-header::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(ellipse at 20% 60%, rgba(140, 109, 70, 0.08) 0%, transparent 60%);
    pointer-events: none;
}

.eyebrow--light {
    color: rgba(140, 109, 70, 0.85);
    position: relative;
}

.autor-page-title {
    font-family: var(--font-serif);
    font-size: clamp(2.4rem, 5vw, 3.5rem);
    font-weight: 600;
    color: var(--cream);
    margin-top: 0.5rem;
    margin-bottom: 0.5rem;
    line-height: 1.1;
    position: relative;
}

.autor-page-sub {
    font-family: var(--font-sans);
    font-size: 0.78rem;
    font-weight: 400;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: rgba(249, 248, 245, 0.38);
    margin-bottom: 0;
    position: relative;
}

/* Breadcrumb dark */
.breadcrumb-dark .breadcrumb-item a {
    color: rgba(249, 248, 245, 0.45);
}

.breadcrumb-dark .breadcrumb-item a:hover {
    color: var(--cream);
}

.breadcrumb-dark .breadcrumb-item.active {
    color: rgba(249, 248, 245, 0.65);
}

.breadcrumb-dark .breadcrumb-item + .breadcrumb-item::before {
    color: rgba(249, 248, 245, 0.2);
}

/* Seção principal */
.autor-intro-section {
    padding: 5.5rem 0;
    background-color: var(--white);
}

.autor-main-photo-wrap {
    position: relative;
    display: inline-block;
    width: 100%;
}

.autor-main-photo-wrap::before {
    content: '';
    position: absolute;
    bottom: -16px;
    left: -16px;
    width: 100%;
    height: 100%;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-md);
    pointer-events: none;
    z-index: 0;
}

.autor-main-photo {
    position: relative;
    z-index: 1;
    width: 100%;
    border-radius: var(--radius-md);
    display: block;
    box-shadow:
        8px 12px 36px rgba(28, 27, 24, 0.18),
        2px 4px 10px rgba(28, 27, 24, 0.1);
}

.autor-section-title {
    font-family: var(--font-serif);
    font-size: clamp(1.65rem, 3vw, 2.2rem);
    font-weight: 600;
    color: var(--dark);
    line-height: 1.2;
    margin-top: 0.5rem;
    margin-bottom: 0;
}

.autor-bio-text {
    font-size: 0.97rem;
    color: var(--text);
    line-height: 1.95;
}

.autor-bio-text p { margin-bottom: 1.25rem; }
.autor-bio-text p:last-child { margin-bottom: 0; }

/* Tags de interesse */
.autor-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.autor-tag {
    font-family: var(--font-sans);
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    border: 1px solid var(--border);
    padding: 0.3rem 0.75rem;
    border-radius: 2px;
    background-color: var(--bg-alt);
    white-space: nowrap;
    transition: border-color var(--transition), color var(--transition);
}

.autor-tag:hover {
    border-color: var(--accent);
    color: var(--accent);
}

/* Citação */
.autor-quote-section {
    background-color: var(--bg-dark);
    padding: 5rem 0;
}

.autor-quote-icon {
    font-size: 1.4rem;
    color: var(--accent);
    opacity: 0.5;
    display: block;
    margin-bottom: 1.5rem;
}

.autor-quote-text {
    font-family: var(--font-serif);
    font-size: clamp(1.2rem, 2.5vw, 1.65rem);
    font-weight: 400;
    font-style: italic;
    color: rgba(249, 248, 245, 0.8);
    line-height: 1.6;
    margin-bottom: 0;
    quotes: none;
}

/* O livro */
.autor-book-section {
    padding: 5.5rem 0;
    background-color: var(--bg-alt);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.autor-book-card {
    background-color: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 2.25rem 2.5rem;
}

.autor-book-cover {
    width: 100%;
    max-width: 140px;
    border-radius: var(--radius);
    box-shadow:
        4px 6px 18px rgba(28, 27, 24, 0.18),
        1px 2px 5px rgba(28, 27, 24, 0.1);
    display: block;
    margin: 0 auto;
    transition: transform 0.35s ease;
}

.autor-book-cover:hover {
    transform: translateY(-4px);
}

.autor-book-title {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--dark);
    margin-top: 0.4rem;
    margin-bottom: 0.75rem;
    line-height: 1.2;
}

.autor-book-desc {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 0;
}

.btn-accent-sm {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background-color: var(--accent);
    color: var(--white) !important;
    border: 1.5px solid var(--accent);
    font-family: var(--font-sans);
    font-size: 0.74rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 0.72rem 1.25rem;
    border-radius: var(--radius);
    text-decoration: none !important;
    transition: background-color var(--transition), transform var(--transition);
    white-space: nowrap;
}

.btn-accent-sm:hover {
    background-color: var(--accent-hover);
    border-color: var(--accent-hover);
    transform: translateY(-1px);
}

.btn-outline-sm {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background-color: transparent;
    color: var(--text-muted) !important;
    border: 1.5px solid var(--border);
    font-family: var(--font-sans);
    font-size: 0.74rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 0.72rem 1.25rem;
    border-radius: var(--radius);
    text-decoration: none !important;
    transition: border-color var(--transition), color var(--transition), transform var(--transition);
    white-space: nowrap;
}

.btn-outline-sm:hover {
    border-color: var(--accent);
    color: var(--accent) !important;
    transform: translateY(-1px);
}

/* Redes sociais */
.autor-social-section {
    padding: 5.5rem 0;
    background-color: var(--white);
}

.autor-social-desc {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.8;
    margin-top: 0.75rem;
    margin-bottom: 2rem;
}

.autor-social-links {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.autor-social-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    padding: 0.72rem 1.5rem;
    font-family: var(--font-sans);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-muted) !important;
    text-decoration: none !important;
    transition: border-color var(--transition), color var(--transition), transform var(--transition);
    background-color: transparent;
}

.autor-social-btn i {
    font-size: 0.9rem;
}

.autor-social-btn:hover {
    border-color: var(--accent);
    color: var(--accent) !important;
    transform: translateY(-2px);
}

/* Responsivo */
@media (max-width: 991.98px) {
    .autor-page-header { padding: 3.5rem 0 2.75rem; }
    .autor-intro-section { padding: 4rem 0; }
    .autor-book-section,
    .autor-social-section { padding: 4rem 0; }
}

@media (max-width: 767.98px) {
    .autor-main-photo { max-width: 280px; margin: 0 auto; }
    .autor-main-photo-wrap::before { max-width: 280px; }
    .autor-book-card { padding: 1.75rem 1.5rem; }
    .btn-accent-sm,
    .btn-outline-sm { width: 100%; }
    .autor-quote-section { padding: 3.5rem 0; }
    .autor-social-links { flex-direction: column; align-items: center; }
    .autor-social-btn { width: 100%; max-width: 260px; justify-content: center; }
}


/* ------------------------------------------------------------
   12. CONTATO — PAGE
   ------------------------------------------------------------ */

/* Header */
.contato-page-header {
    background-color: var(--bg-dark);
    padding: 4.5rem 0 3.5rem;
    position: relative;
    overflow: hidden;
}

.contato-page-header::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(ellipse at 80% 40%, rgba(140, 109, 70, 0.08) 0%, transparent 60%);
    pointer-events: none;
}

.contato-page-title {
    font-family: var(--font-serif);
    font-size: clamp(2.4rem, 5vw, 3.5rem);
    font-weight: 600;
    color: var(--cream);
    margin-top: 0.5rem;
    margin-bottom: 0.5rem;
    line-height: 1.1;
    position: relative;
}

.contato-page-sub {
    font-family: var(--font-sans);
    font-size: 0.78rem;
    font-weight: 400;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: rgba(249, 248, 245, 0.38);
    margin-bottom: 0;
    position: relative;
}

/* Seção principal */
.contato-main-section {
    padding: 5.5rem 0 6rem;
    background-color: var(--white);
}

/* Alertas */
.contato-alert {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    border-radius: var(--radius);
    font-size: 0.88rem;
    font-weight: 500;
}

.contato-alert i { font-size: 1rem; flex-shrink: 0; }

.contato-alert--success {
    background-color: rgba(74, 124, 89, 0.08);
    border: 1px solid rgba(74, 124, 89, 0.25);
    color: #3a7355;
}

.contato-alert--error {
    background-color: rgba(185, 74, 74, 0.07);
    border: 1px solid rgba(185, 74, 74, 0.22);
    color: #b94a4a;
}

/* Título do formulário */
.contato-form-title {
    font-family: var(--font-serif);
    font-size: clamp(1.65rem, 3vw, 2.1rem);
    font-weight: 600;
    color: var(--dark);
    line-height: 1.2;
    margin-top: 0.5rem;
    margin-bottom: 0;
}

/* Campos do formulário */
.contato-form { margin-top: 0; }

.cf-group {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
}

.cf-label {
    font-family: var(--font-sans);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.cf-required { color: var(--accent); }

.cf-input,
.cf-textarea,
.cf-select {
    width: 100%;
    background-color: var(--bg);
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    font-family: var(--font-sans);
    font-size: 0.92rem;
    color: var(--dark);
    padding: 0.82rem 1rem;
    outline: none;
    transition: border-color var(--transition), box-shadow var(--transition);
    -webkit-appearance: none;
    appearance: none;
}

.cf-input::placeholder,
.cf-textarea::placeholder {
    color: rgba(107, 104, 96, 0.55);
}

.cf-input:focus,
.cf-textarea:focus,
.cf-select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(140, 109, 70, 0.1);
    background-color: var(--white);
}

.cf-input.is-invalid,
.cf-textarea.is-invalid,
.cf-select.is-invalid {
    border-color: #b94a4a;
}

.cf-textarea {
    resize: vertical;
    min-height: 150px;
    line-height: 1.7;
}

/* Select customizado */
.cf-select-wrap {
    position: relative;
}

.cf-select {
    cursor: pointer;
    padding-right: 2.5rem;
}

.cf-select-arrow {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.7rem;
    color: var(--text-muted);
    pointer-events: none;
}

.cf-error {
    font-size: 0.76rem;
    color: #b94a4a;
    font-weight: 500;
}

/* Botão submit */
.cf-submit {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    background-color: var(--accent);
    color: var(--white);
    border: 2px solid var(--accent);
    font-family: var(--font-sans);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    padding: 0.9rem 2.25rem;
    border-radius: var(--radius);
    cursor: pointer;
    transition: background-color var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition);
    white-space: nowrap;
}

.cf-submit:hover {
    background-color: var(--accent-hover);
    border-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(140, 109, 70, 0.3);
}

.cf-submit:active {
    transform: translateY(0);
}

.cf-privacy-note {
    font-size: 0.74rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 0.4rem;
    margin-bottom: 0;
}

.cf-privacy-note i { color: var(--accent); font-size: 0.72rem; }

/* Coluna de informações */
.contato-info { padding-left: 2rem; }

.contato-info-title {
    font-family: var(--font-serif);
    font-size: clamp(1.5rem, 2.5vw, 1.9rem);
    font-weight: 600;
    color: var(--dark);
    line-height: 1.2;
    margin-top: 0.5rem;
    margin-bottom: 0;
}

.contato-info-desc {
    font-size: 0.92rem;
    color: var(--text-muted);
    line-height: 1.85;
    margin-bottom: 0;
}

/* Canais de contato */
.contato-channels {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.contato-channel {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.1rem;
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    background-color: var(--bg);
    text-decoration: none !important;
    transition: border-color var(--transition), background-color var(--transition), transform var(--transition);
}

.contato-channel:hover {
    border-color: var(--accent);
    background-color: var(--white);
    transform: translateX(3px);
}

.cc-icon {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background-color: var(--accent-light);
    border: 1px solid rgba(140, 109, 70, 0.18);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    font-size: 0.88rem;
    flex-shrink: 0;
}

.cc-text {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.cc-label {
    font-size: 0.67rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.cc-value {
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--dark);
}

.cc-arrow {
    font-size: 0.72rem;
    color: var(--border);
    flex-shrink: 0;
    transition: color var(--transition), transform var(--transition);
}

.contato-channel:hover .cc-arrow {
    color: var(--accent);
    transform: translateX(2px);
}

/* Card do livro */
.contato-book-card {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    padding: 1.25rem;
    background-color: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.contato-book-thumb {
    width: 58px;
    flex-shrink: 0;
    border-radius: 2px;
    box-shadow: 3px 4px 12px rgba(28, 27, 24, 0.18);
}

.contato-book-info {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.contato-book-eyebrow {
    font-size: 0.62rem;
    font-weight: 600;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--accent);
}

.contato-book-title {
    font-family: var(--font-serif);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--dark);
    margin: 0;
    line-height: 1.2;
}

.contato-book-link {
    font-size: 0.76rem;
    font-weight: 500;
    color: var(--text-muted);
    text-decoration: none !important;
    transition: color var(--transition);
}

.contato-book-link:hover { color: var(--accent); }

/* Responsivo */
@media (max-width: 991.98px) {
    .contato-page-header { padding: 3.5rem 0 2.75rem; }
    .contato-main-section { padding: 4rem 0 5rem; }
    .contato-info { padding-left: 0; }
}

@media (max-width: 767.98px) {
    .contato-main-section { padding: 3rem 0 4rem; }
}


/* ------------------------------------------------------------
   13. UTILITIES / HELPERS
   ------------------------------------------------------------ */

.section-divider {
    border: none;
    border-top: 1px solid var(--border);
    margin: 0;
}

.text-accent {
    color: var(--accent) !important;
}

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


/* ------------------------------------------------------------
   11. RESPONSIVE
   ------------------------------------------------------------ */

/* Tablet / Large phone */
@media (max-width: 991.98px) {
    .product-info {
        padding-left: 0;
        margin-top: 3rem;
    }

    .product-title {
        font-size: 1.9rem;
    }

    .ebook-card {
        padding: 2.75rem 2.25rem;
    }

    .ebook-title {
        font-size: 1.55rem;
    }

    .ebook-card .row > [class*='col-'] + [class*='col-'] {
        margin-top: 2rem;
    }

    .ebook-actions {
        align-items: flex-start;
    }
}

/* Tablet portrait / Large phone landscape */
@media (max-width: 767.98px) {
    .product-section {
        padding: 2.75rem 0 3.5rem;
    }

    .product-title {
        font-size: 1.7rem;
    }

    .price-value {
        font-size: 2.1rem;
    }

    .purchase-row {
        flex-wrap: nowrap;
    }

    .btn-add-cart {
        display: none; /* Oculto em mobile — foco no principal */
    }

    .btn-buy-now {
        flex: 1;
    }

    .synopsis-section {
        padding: 3.5rem 0;
    }

    .section-title {
        font-size: 1.65rem;
    }

    .ebook-section {
        padding: 3.5rem 0;
    }

    .ebook-card {
        padding: 2rem 1.5rem;
    }

    .ebook-title {
        font-size: 1.4rem;
    }
}

/* Mobile portrait */
@media (max-width: 575.98px) {
    .book-cover-frame {
        max-width: 280px;
    }

    .product-title {
        font-size: 1.55rem;
    }

    .format-options {
        gap: 0.5rem;
    }

    .format-option {
        padding: 0.7rem 0.6rem;
    }

    .trust-badges {
        gap: 0.75rem;
    }

    .trust-item {
        font-size: 0.7rem;
    }

    .ebook-card::before,
    .ebook-card::after {
        display: none;
    }

    .bd-label {
        width: 48%;
    }
}


/* ------------------------------------------------------------
   Versão física esgotada (30/10/2026)
   ------------------------------------------------------------ */
.esgotado-selo {
    color: #a3372b;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .05em;
}
.price-value--esgotado {
    opacity: .45;
    text-decoration: line-through;
    text-decoration-thickness: 2px;
}
.format-option--esgotado .fo-sub { color: #a3372b; }
.format-option--esgotado { opacity: .6; }
.btn-esgotado,
.btn-esgotado:hover {
    background: var(--border);
    color: var(--text-muted);
    border-color: var(--border);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}