/* Explain: App-specific component classes (add as needed). */
/* ---------- Brand ---------- */
.brand-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 999px;
    background: var(--primary-color);
    color: var(--accent-soft);
    font-size: 1.05rem;
    flex: none;
}

.brand-name {
    display: block;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.15rem;
    line-height: 1.1;
    color: var(--primary-color);
}

.brand-sub {
    display: block;
    font-size: 0.6rem;
    letter-spacing: 0.26em;
    text-transform: uppercase;
    color: var(--text-muted);
}

/* ---------- Navigation ---------- */
.nav-link {
    position: relative;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-color);
    text-decoration: none;
    padding: 0.3rem 0;
    transition: color 0.2s ease;
}
.nav-link::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    height: 2px;
    width: 0;
    background: var(--accent-color);
    transition: width 0.25s ease;
}
.nav-link:hover { color: var(--primary-color); }
.nav-link:hover::after { width: 100%; }

.mobile-link {
    padding: 0.9rem 0;
    border-bottom: 1px solid var(--border-color);
    font-weight: 500;
    text-decoration: none;
    color: var(--text-color);
}
.mobile-link:hover { color: var(--primary-color); }

/* ---------- Buttons ---------- */
.btn-anchor,
.btn-outline,
.btn-accent,
.btn-link {
    font-family: var(--font-body);
}

.btn-anchor {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.55rem;
    background: var(--primary-color);
    color: #ffffff;
    font-weight: 600;
    font-size: 0.95rem;
    padding: 0.7rem 1.35rem;
    border: 1px solid var(--primary-color);
    border-radius: var(--radius);
    text-decoration: none;
    cursor: pointer;
    transition: background 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}
.btn-anchor:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow);
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.55rem;
    background: transparent;
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.95rem;
    padding: 0.7rem 1.35rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    text-decoration: none;
    cursor: pointer;
    transition: border-color 0.25s ease, background 0.25s ease;
}
.btn-outline:hover {
    border-color: var(--primary-color);
    background: var(--surface-color);
}

.btn-accent {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background: var(--accent-color);
    color: #1c1405;
    font-weight: 700;
    font-size: 0.95rem;
    padding: 0.7rem 1.4rem;
    border: 1px solid var(--accent-color);
    border-radius: var(--radius);
    cursor: pointer;
    transition: filter 0.2s ease, transform 0.2s ease;
}
.btn-accent:hover { filter: brightness(1.08); transform: translateY(-1px); }
.btn-accent:disabled { opacity: 0.65; cursor: default; transform: none; }

.btn-link {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    color: var(--accent-color);
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    transition: gap 0.25s ease, color 0.2s ease;
}
.btn-link:hover { gap: 0.8rem; color: var(--primary-color); }

/* ---------- Book card ---------- */
.book-card {
    display: flex;
    flex-direction: column;
    height: 100%;
}
.book-cover {
    display: block;
    aspect-ratio: 2 / 3;
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--surface-alt);
    box-shadow: var(--shadow-sm);
    transition: transform 0.35s ease, box-shadow 0.35s ease;
}
.book-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.book-card:hover .book-cover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}
.book-card__body { padding-top: 0.9rem; }
.book-card__genre {
    font-size: 0.66rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    font-weight: 600;
    color: var(--accent-color);
}
.book-card__title {
    margin-top: 0.35rem;
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 700;
    line-height: 1.25;
    color: var(--text-color);
}
.book-card__title a { text-decoration: none; }
.book-card__title a:hover { color: var(--primary-color); }
.book-card__author {
    margin-top: 0.2rem;
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* ---------- Editorial bits ---------- */
.kicker {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.24em;
    text-transform: uppercase;
    color: var(--accent-color);
}

.value-icon,
.contact-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: none;
    width: 3rem;
    height: 3rem;
    border-radius: var(--radius);
    background: var(--accent-soft);
    color: var(--primary-color);
    font-size: 1.1rem;
}

.contact-label {
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--accent-color);
    margin-bottom: 0.15rem;
}

/* ---------- Footer ---------- */
.footer-heading {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 700;
    color: var(--primary-color);
}
.footer-link {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.2s ease;
}
.footer-link:hover { color: var(--primary-color); }

.social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 999px;
    border: 1px solid var(--border-color);
    color: var(--primary-color);
    text-decoration: none;
    transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}
.social-link:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: #ffffff;
}

/* ---------- Forms ---------- */
.field-label {
    display: block;
    font-size: 0.74rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 0.4rem;
}
.text-input {
    width: 100%;
    background: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 0.72rem 0.9rem;
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--text-color);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.text-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(28, 58, 86, 0.12);
}

/* ---------- Designed book cover (fallback when no cover image) ---------- */
.book-cover-art {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    aspect-ratio: 2 / 3;
    width: 100%;
    padding: 1.75rem 1.4rem;
    border-radius: var(--radius);
    background: var(--primary-color);
    box-shadow: var(--shadow-lg);
    text-align: center;
    overflow: hidden;
}
.book-cover-art::after {
    content: "";
    position: absolute;
    inset: 10px;
    border: 1px solid rgba(236, 223, 191, 0.4);
    border-radius: calc(var(--radius) - 2px);
    pointer-events: none;
}
.book-cover-art__mark {
    font-size: 1.5rem;
    line-height: 1;
    color: var(--accent-color);
}
.book-cover-art__center {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}
.book-cover-art__title {
    display: block;
    font-family: var(--font-heading);
    font-size: 1.55rem;
    font-weight: 700;
    line-height: 1.15;
    color: #ffffff;
}
.book-cover-art__sub {
    display: block;
    font-family: var(--font-heading);
    font-style: italic;
    font-size: 0.92rem;
    line-height: 1.35;
    color: var(--accent-soft);
}
.book-cover-art__author {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: var(--accent-color);
}