/* ─── Vale del Rei ──────────────────────────────────────────────────── */

:root {
    /* Sepia & oxblood palette — matches MG TD book cover */
    --navy: #721C15;           /* oxblood — primary accent (keep var name for compat) */
    --navy-dark: #5A1612;      /* deep oxblood — language bar, footer */
    --heading: #3A1E10;        /* very dark sepia-brown for section titles */
    --amber: #B8860B;          /* warm gold — buttons, underline accents */
    --amber-light: #D4A234;    /* light gold — hover states */
    --cream: #F5EDD8;          /* sepia cream — page background */
    --warm-grey: #EADFC2;      /* warm sepia — section bands */
    --dark: #3E2818;           /* deep sepia-brown — body text */
    --mid: #6B5238;            /* mid sepia — secondary body text */
    --light: #9B8668;          /* light sepia — captions, years */
    --border: #D4C5A3;         /* sepia border */
    --white: #FFFBF2;          /* off-white warm — card backgrounds */
    --font-display: 'Cormorant Garamond', Georgia, serif;
    --font-body: 'Source Serif 4', Georgia, serif;
    --font-ui: 'Source Sans 3', 'Segoe UI', sans-serif;
}

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

body {
    font-family: var(--font-body);
    color: var(--dark);
    line-height: 1.7;
    font-size: 18px;
    background: var(--cream);
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ─── Language Bar ──────────────────────────────────────────────────── */

.lang-bar {
    background: var(--navy-dark);
    padding: 8px 0;
}

.lang-tabs {
    display: flex;
    gap: 4px;
    justify-content: flex-end;
}

.lang-btn {
    background: transparent;
    color: #D4C5A3;
    border: 1px solid #8B5A3C;
    padding: 4px 14px;
    font-size: 12px;
    font-family: var(--font-ui);
    cursor: pointer;
    border-radius: 3px;
    transition: all 0.2s;
}

.lang-btn:hover { color: #F5EDD8; border-color: #C9A87C; }

.lang-btn.active {
    background: var(--amber);
    color: white;
    border-color: var(--amber);
}

/* ─── Hero ──────────────────────────────────────────────────────────── */

.hero {
    background: var(--navy);
    text-align: center;
    padding: 70px 24px 55px;
}

.brand {
    font-family: var(--font-display);
    font-size: 3.5em;
    font-weight: 700;
    color: var(--white);
    letter-spacing: 3px;
    margin-bottom: 8px;
}

.tagline {
    font-family: var(--font-display);
    font-size: 1.3em;
    color: var(--amber-light);
    font-style: italic;
    margin-bottom: 16px;
}

.subtitle {
    font-family: var(--font-ui);
    font-size: 1em;
    color: rgba(255,255,255,0.7);
    max-width: 550px;
    margin: 0 auto;
    line-height: 1.7;
}

/* ─── Topic Navigation Tabs ─────────────────────────────────────────── */

.topic-nav {
    background: var(--white);
    border-bottom: 2px solid var(--border);
    padding: 0;
    text-align: center;
    position: sticky;
    top: 0;
    z-index: 100;
}

.topic-tab {
    background: none;
    border: none;
    border-bottom: 3px solid transparent;
    padding: 14px 28px;
    font-family: var(--font-ui);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.5px;
    color: var(--light);
    cursor: pointer;
    transition: all 0.2s;
}

.topic-tab:hover {
    color: var(--navy);
}

.topic-tab.active {
    color: var(--navy);
    border-bottom-color: var(--amber);
}

/* ─── Sections ──────────────────────────────────────────────────────── */

.section {
    padding: 60px 24px;
}

.section-warm {
    background: var(--warm-grey);
}

.section-title {
    font-family: var(--font-display);
    font-size: 2.2em;
    font-weight: 600;
    color: var(--heading);
    text-align: center;
    margin-bottom: 40px;
    letter-spacing: 0.02em;
}

.section-title::after {
    content: '';
    display: block;
    width: 50px;
    height: 2px;
    background: var(--amber);
    margin: 12px auto 0;
}

/* ─── Book Cards ────────────────────────────────────────────────────── */

.books-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
}

.book-card {
    display: flex;
    gap: 30px;
    align-items: flex-start;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 30px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.04);
}

.book-cover {
    flex-shrink: 0;
    width: 160px;
}

.book-cover img {
    width: 100%;
    border-radius: 4px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.12);
}

.book-info h3 {
    font-family: var(--font-display);
    font-size: 1.6em;
    font-weight: 700;
    color: var(--navy);
}

.book-years {
    font-style: italic;
    color: var(--light);
    margin-bottom: 12px;
}

.book-desc {
    font-size: 0.92em;
    color: var(--mid);
    margin-bottom: 16px;
    line-height: 1.65;
}

.book-features {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 16px;
}

.feature {
    background: var(--warm-grey);
    color: var(--navy);
    font-family: var(--font-ui);
    font-size: 11px;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 12px;
    border: 1px solid var(--border);
}

.book-pricing { margin-bottom: 16px; }

.price {
    font-family: var(--font-display);
    font-size: 1.3em;
    color: var(--navy);
    font-weight: 700;
}

.format {
    display: block;
    font-size: 0.85em;
    color: var(--light);
    margin-top: 2px;
}

/* ─── Buttons ───────────────────────────────────────────────────────── */

.btn {
    display: inline-block;
    padding: 10px 28px;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    letter-spacing: 0.5px;
    transition: all 0.2s;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--amber);
    color: var(--white);
    font-family: var(--font-ui);
}

.btn-primary:hover {
    background: var(--amber-light);
}

/* ─── Features Grid ─────────────────────────────────────────────────── */

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 30px;
}

.feature-card {
    text-align: center;
    padding: 30px 20px;
}

.feature-icon {
    font-size: 2.2em;
    margin-bottom: 12px;
    color: var(--amber);
}

.feature-card h3 {
    font-family: var(--font-display);
    color: var(--navy);
    margin-bottom: 10px;
    font-size: 1.2em;
    font-weight: 600;
}

.feature-card p {
    font-size: 0.92em;
    color: var(--mid);
    line-height: 1.65;
}

/* ─── Gift Section ──────────────────────────────────────────────────── */

.gift-content {
    max-width: 700px;
    margin: 0 auto;
}

.gift-text p {
    margin-bottom: 16px;
    font-size: 1.02em;
    color: var(--mid);
    line-height: 1.7;
}

.gift-occasions {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 20px;
}

.gift-occasions li {
    background: var(--warm-grey);
    border: 1px solid var(--border);
    padding: 8px 18px;
    border-radius: 20px;
    font-family: var(--font-ui);
    font-size: 0.85em;
    color: var(--navy);
    font-weight: 600;
}

/* ─── Coming Soon Grid ──────────────────────────────────────────────── */

.coming-intro {
    text-align: center;
    max-width: 600px;
    margin: -20px auto 30px;
    color: var(--mid);
}

.coming-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 14px;
    margin-bottom: 30px;
}

.coming-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 18px;
    text-align: center;
    transition: border-color 0.2s;
}

.coming-card:hover {
    border-color: var(--amber);
}

.coming-card h4 {
    font-family: var(--font-display);
    color: var(--navy);
    font-size: 1.1em;
    font-weight: 600;
    margin-bottom: 3px;
}

.coming-card p {
    color: var(--light);
    font-size: 0.82em;
    font-style: italic;
}

.coming-suggest {
    text-align: center;
    color: var(--mid);
    font-style: italic;
}

/* ─── About ─────────────────────────────────────────────────────────── */

.about-text {
    max-width: 700px;
    margin: 0 auto;
}

.about-text p {
    margin-bottom: 16px;
    font-size: 1.02em;
    color: var(--mid);
    line-height: 1.75;
}

.about-contact {
    text-align: center;
    font-family: var(--font-ui);
    color: var(--navy);
    font-weight: 600;
    font-size: 1.1em;
    margin-top: 30px;
}

/* ─── Footer ────────────────────────────────────────────────────────── */

.footer {
    background: var(--navy-dark);
    color: #D4C5A3;
    padding: 40px 24px;
    display: flex;
    justify-content: center;
}

.footer .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.footer-brand h3 {
    font-family: var(--font-display);
    color: var(--amber-light);
    font-size: 1.4em;
    font-weight: 600;
    margin-bottom: 4px;
}

.footer-brand p { font-size: 0.85em; }

.footer-links {
    text-align: right;
    font-size: 0.85em;
}

.footer-links p { margin-bottom: 4px; }

/* ─── Responsive ────────────────────────────────────────────────────── */

@media (max-width: 768px) {
    .brand { font-size: 2.4em; }
    .book-card { flex-direction: column; align-items: center; text-align: center; }
    .book-cover { width: 200px; }
    .book-features { justify-content: center; }
    .footer .container { flex-direction: column; text-align: center; gap: 16px; }
    .footer-links { text-align: center; }
    .topic-tab { padding: 12px 16px; font-size: 13px; }
}