:root {
    --site-max-width: 1120px;
    --content-max-width: 980px;
    --accent: #7b1d1d;
    --accent-dark: #5b1111;
    --text: #1f1a17;
    --muted: #6b625c;
    --bg: #f7f3ed;
    --card: #ffffff;
    --border: #d9cfc2;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: Georgia, "Times New Roman", serif;
    font-size: 16px;
    line-height: 1.65;
    color: var(--text);
    background: linear-gradient(to bottom, #fcfaf7 0%, var(--bg) 100%);
}

a {
    color: var(--accent);
    text-decoration: underline;
    text-underline-offset: 0.14em;
    text-decoration-thickness: 1px;
}

a:hover {
    color: var(--accent-dark);
    text-decoration-thickness: 2px;
}

a:visited {
    color: #6b2a6b;
}

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

table {
    width: 100%;
    max-width: 100%;
    border-collapse: collapse;
}

td { vertical-align: top; }

.site-container {
    width: min(var(--site-max-width), calc(100% - 32px));
    margin: 0 auto;
}

.site-header {
    background: rgba(255,255,255,0.96);
    position: relative;
    z-index: 1;
    backdrop-filter: blur(8px);
    box-shadow: 0 2px 12px rgba(0,0,0,0.05);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 14px 0 10px;
    flex-wrap: wrap;
}

.site-brand {
    display: flex;
    align-items: center;
    gap: 16px;
    min-width: 0;
}

.site-brand img {
    width: 88px;
    height: auto;
    border-radius: 8px;
}

.site-title {
    margin: 0;
    font-size: clamp(1.35rem, 1.3rem + 1vw, 2rem);
    line-height: 1.15;
}

.site-subtitle {
    margin: 4px 0 0;
    color: var(--muted);
    font-size: 0.95rem;
}

.site-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: flex-end;
}

.site-nav a {
    display: inline-block;
    text-decoration: none;
    padding: 9px 14px;
    border-radius: 999px;
    border: 1px solid transparent;
    font-weight: 700;
    font-size: 0.98rem;
}

.site-nav a:hover {
    background: #f3ece4;
    border-color: #e3d7c7;
    text-decoration: none;
}

.page-content {
    width: min(var(--content-max-width), 100%);
    margin: 0 auto;
    padding: 28px 0 42px;
}

.page-content h1 {
    font-size: clamp(1.9rem, 1.6rem + 1vw, 2.6rem);
    line-height: 1.15;
    margin: 0 0 18px;
}

.page-content h2 {
    font-size: clamp(1.35rem, 1.2rem + 0.6vw, 1.85rem);
    line-height: 1.2;
    margin: 34px 0 14px;
}

.page-content h3 {
    font-size: 1.2rem;
    line-height: 1.25;
    margin: 26px 0 12px;
}

.page-content h4 {
    font-size: 1.08rem;
    margin: 22px 0 10px;
}

.page-content h1[id],
.page-content h2[id],
.page-content h3[id] {
    scroll-margin-top: 18px;
}

.toc-card {
    background: rgba(255,255,255,0.82);
    border: 1px solid var(--border);
    border-radius: 16px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.05);
    padding: 18px 20px;
    margin: 0 0 24px;
}

.toc-card h2,
.toc-card h3 {
    margin: 0 0 10px;
    font-size: 1.08rem;
}

.toc-card ul {
    margin: 0;
    padding-left: 1.2rem;
}

.toc-card li + li {
    margin-top: 6px;
}

.page-content p,
.page-content li {
    font-size: 1rem;
}

.page-content ul,
.page-content ol {
    padding-left: 1.3rem;
}

figure {
    margin: 26px auto;
    text-align: center;
}

figcaption {
    margin-top: 8px;
    color: var(--muted);
    font-size: 0.95rem;
}

.hero {
    display: grid;
    grid-template-columns: minmax(145px, 175px) 1fr;
    gap: 16px;
    align-items: center;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 18px;
    box-shadow: var(--shadow);
    padding: 12px;
}

.hero-media {
    width: 100%;
}

.hero-media img {
    width: 100%;
    max-width: 300px;
    height: auto;
    max-height: none;
    object-fit: contain;
    border-radius: 14px;
    display: block;
    margin: 0 auto;
}

.hero-copy h1 {
    margin-bottom: 12px;
}

.hero-copy p.lead {
    font-size: 1.1rem;
    color: var(--muted);
    margin-top: 0;
}

.home-columns {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 28px;
    margin-top: 28px;
}

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 18px;
    box-shadow: var(--shadow);
    padding: 22px;
}

.book-feature {
    display: grid;
    grid-template-columns: 180px 1fr;
    gap: 22px;
    align-items: center;
}

.book-feature img {
    width: 100%;
    max-width: 250px;
    border-radius: 10px;
    box-shadow: 0 8px 18px rgba(0,0,0,0.12);
    margin: 0 auto;
}

.quick-links ul { margin: 0; }
.quick-links li + li { margin-top: 10px; }

.contact-panel-layout {
    display: grid;
    grid-template-columns: 140px 1fr;
    gap: 22px;
    align-items: center;
}

.contact-panel img {
    width: 100%;
    max-width: 140px;
    display: block;
    margin: 0 auto;
}

.image-gallery {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: flex-start;
}

.image-gallery img {
    flex: 0 0 auto;
    width: auto;
    max-width: 100%;
    height: 165px;
    object-fit: contain;
    border-radius: 8px;
    display: block;
    background: rgba(255,255,255,0.75);
}

.page-content > img:not(.bamboo-separator),
.page-content figure img,
.page-content table img:not(.bamboo-separator) {
    max-width: min(100%, 720px);
}

.bamboo-separator {
    width: 100%;
    max-width: none;
    height: 9px;
    object-fit: cover;
    display: block;
}

.site-header .bamboo-separator,
.site-footer .bamboo-separator {
    margin: 18px 0 24px;
}

.page-content .bamboo-separator {
    margin: 18px 0 24px;
}

.site-footer {
    padding: 10px 0 36px;
}

.footer-copy {
    color: var(--muted);
    font-size: 0.92rem;
    text-align: center;
    margin: 0;
}

@media (max-width: 900px) {
    .hero,
    .home-columns,
    .book-feature,
    .contact-panel-layout {
        grid-template-columns: 1fr;
    }

    .header-inner {
        justify-content: center;
    }

    .site-brand,
    .site-nav {
        justify-content: center;
        text-align: center;
    }

    .site-nav { width: 100%; }
}

@media (max-width: 640px) {
    .site-container {
        width: min(var(--site-max-width), calc(100% - 20px));
    }

    .page-content {
        padding-top: 22px;
    }

    .header-inner {
        gap: 14px;
        padding: 12px 0 8px;
    }

    .site-brand {
        width: 100%;
        flex-direction: column;
        align-items: center;
        gap: 10px;
        text-align: center;
    }

    .site-brand img {
        width: 112px;
    }

    .site-title {
        font-size: 1.45rem;
    }

    .site-subtitle {
        font-size: 0.92rem;
    }

    .site-nav {
        width: 100%;
        justify-content: center;
        gap: 8px;
    }

    .site-nav a {
        padding: 8px 12px;
        font-size: 0.95rem;
    }

    .card,
    .hero {
        padding: 18px;
        border-radius: 16px;
    }

    .image-gallery img {
        height: 135px;
    }

    .toc-card {
        padding: 16px 18px;
    }
}

.contact-panel-layout img {
    display: block;
    margin: 0 auto;
}


.region-heading {
    display: block;
    width: 100%;
    padding: 12px 16px;
    border-radius: 10px;
    color: #000;
    margin: 32px 0 16px;
}

.region-heading-visayan {
    background: #dceffd;
}

.region-heading-luzon {
    background: #dff2df;
}


.zoomable-image {
    cursor: zoom-in;
}

.image-modal {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.82);
    display: none;
    align-items: center;
    justify-content: center;
    padding: 12px;
    z-index: 9999;
}

.image-modal.is-open {
    display: flex;
}

.image-modal-dialog {
    position: relative;
    max-width: 98vw;
    max-height: 96vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-modal img {
    width: min(94vw, 1400px);
    max-width: 94vw;
    max-height: 94vh;
    height: auto;
    display: block;
    border-radius: 10px;
    box-shadow: 0 18px 50px rgba(0,0,0,0.4);
    background: #fff;
    object-fit: contain;
}

.image-modal-close {
    position: absolute;
    top: -12px;
    right: -12px;
    width: 40px;
    height: 40px;
    border: 0;
    border-radius: 999px;
    background: #fff;
    color: #111;
    font-size: 1.6rem;
    line-height: 1;
    cursor: pointer;
    box-shadow: 0 8px 24px rgba(0,0,0,0.28);
}

.image-modal-close:hover {
    background: #f0f0f0;
}

@media (max-width: 640px) {
    .image-modal {
        padding: 14px;
    }

    .image-modal-close {
        top: -8px;
        right: -4px;
    }
}