/*
Theme Name: YEL-HMB Heritage
Theme URI: https://yel-hmb.com
Author: YEL-HMB
Author URI: https://yel-hmb.com
Description: A custom WordPress theme for a cultural heritage and museums organisation. Editorial, institutional design with custom post types for projects and news, a gallery with lightbox, and a multilingual-ready structure.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.7
Requires PHP: 8.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: yel-hmb
*/

/* ============================================================
   DESIGN TOKENS
   ============================================================ */
:root {
    /* Earthy, museum/heritage palette */
    --color-bg: #f6f2ea;          /* warm parchment */
    --color-surface: #fffdf8;     /* card surface */
    --color-ink: #221d18;         /* near-black ink */
    --color-ink-soft: #4f463c;    /* soft body text */
    --color-muted: #8a7f70;       /* muted captions */
    --color-line: #e3dbcc;        /* hairline borders */
    --color-terracotta: #a8442a;  /* primary accent */
    --color-terracotta-dk: #82331f;
    --color-ochre: #c08a2d;       /* secondary accent */
    --color-stone: #6b7264;       /* tertiary (sage stone) */
    --color-deep: #2c2a26;        /* dark sections */

    --font-display: "Playfair Display", Georgia, "Times New Roman", serif;
    --font-body: "Source Sans 3", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

    --maxw: 1180px;
    --gap: clamp(1.25rem, 3vw, 2.5rem);
    --radius: 2px;
    --shadow: 0 1px 2px rgba(34,29,24,.06), 0 12px 28px rgba(34,29,24,.07);
    --transition: .3s cubic-bezier(.2,.7,.2,1);
}

/* ============================================================
   RESET & BASE
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
    margin: 0;
    font-family: var(--font-body);
    font-size: 18px;
    line-height: 1.7;
    color: var(--color-ink-soft);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-terracotta); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-terracotta-dk); }

h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.12;
    color: var(--color-ink);
    margin: 0 0 .5em;
    letter-spacing: -.01em;
}
h1 { font-size: clamp(2.4rem, 6vw, 4.2rem); }
h2 { font-size: clamp(1.9rem, 4vw, 2.9rem); }
h3 { font-size: clamp(1.3rem, 2.5vw, 1.7rem); }
p { margin: 0 0 1.2em; }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gap); }
.eyebrow {
    font-family: var(--font-body);
    text-transform: uppercase;
    letter-spacing: .22em;
    font-size: .72rem;
    font-weight: 700;
    color: var(--color-terracotta);
    margin: 0 0 1rem;
    display: inline-block;
}
.section { padding: clamp(3.5rem, 9vw, 7rem) 0; }
.section--dark { background: var(--color-deep); color: #e9e2d6; }
.section--dark h2, .section--dark h3 { color: #fbf6ec; }
.section--stone { background: #efe9dd; }
.lead { font-size: 1.25rem; color: var(--color-ink-soft); max-width: 60ch; }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    font-family: var(--font-body);
    font-weight: 700;
    font-size: .9rem;
    letter-spacing: .04em;
    text-transform: uppercase;
    padding: .85rem 1.6rem;
    border-radius: var(--radius);
    border: 1.5px solid var(--color-terracotta);
    background: var(--color-terracotta);
    color: #fff;
    cursor: pointer;
    transition: all var(--transition);
}
.btn:hover { background: var(--color-terracotta-dk); border-color: var(--color-terracotta-dk); color: #fff; transform: translateY(-2px); }
.btn--ghost { background: transparent; color: var(--color-terracotta); }
.btn--ghost:hover { background: var(--color-terracotta); color: #fff; }
.btn--light { background: transparent; border-color: rgba(255,255,255,.5); color: #fff; }
.btn--light:hover { background: #fff; color: var(--color-deep); border-color: #fff; }

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
    position: sticky; top: 0; z-index: 100;
    background: rgba(246,242,234,.92);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 2rem; padding: .9rem 0; }
.site-brand { display: flex; align-items: center; gap: .75rem; }
.site-brand .mark {
    width: 42px; height: 42px; flex: none;
    display: grid; place-items: center;
    background: var(--color-terracotta); color: #fff;
    font-family: var(--font-display); font-weight: 700; font-size: 1.1rem;
    border-radius: var(--radius);
}
.site-brand .brand-text { font-family: var(--font-display); font-weight: 700; font-size: 1.25rem; color: var(--color-ink); line-height: 1; }
.site-brand .brand-text small { display: block; font-family: var(--font-body); font-weight: 400; font-size: .68rem; letter-spacing: .14em; text-transform: uppercase; color: var(--color-muted); margin-top: .25rem; }

.main-nav ul { list-style: none; display: flex; gap: 1.8rem; margin: 0; padding: 0; }
.main-nav a {
    font-family: var(--font-body); font-weight: 600; font-size: .95rem;
    color: var(--color-ink); padding: .4rem 0; position: relative;
}
.main-nav a::after {
    content: ""; position: absolute; left: 0; bottom: 0; width: 0; height: 2px;
    background: var(--color-terracotta); transition: width var(--transition);
}
.main-nav a:hover::after, .main-nav .current-menu-item > a::after { width: 100%; }

.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: .5rem; }
.nav-toggle span { display: block; width: 26px; height: 2px; background: var(--color-ink); margin: 5px 0; transition: var(--transition); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
    position: relative;
    background: linear-gradient(rgba(28,24,20,.55), rgba(28,24,20,.62)), var(--color-deep);
    background-size: cover; background-position: center;
    color: #fff;
    padding: clamp(5rem, 14vw, 9rem) 0 clamp(4rem, 10vw, 7rem);
    overflow: hidden;
}
.hero::after {
    content: ""; position: absolute; inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='40' height='40'%3E%3Cpath d='M0 39h40M39 0v40' stroke='%23ffffff' stroke-opacity='.05' stroke-width='1'/%3E%3C/svg%3E");
    pointer-events: none;
}
.hero .container { position: relative; z-index: 2; }
.hero h1 { color: #fff; max-width: 16ch; }
.hero .lead { color: rgba(255,255,255,.88); margin-bottom: 2rem; }
.hero .eyebrow { color: var(--color-ochre); }
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }

/* ============================================================
   GENERIC GRID CARDS
   ============================================================ */
.grid { display: grid; gap: var(--gap); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.card {
    background: var(--color-surface);
    border: 1px solid var(--color-line);
    border-radius: var(--radius);
    overflow: hidden;
    transition: transform var(--transition), box-shadow var(--transition);
    display: flex; flex-direction: column;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.card .thumb { aspect-ratio: 3/2; background: #ded4c2; overflow: hidden; }
.card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.card:hover .thumb img { transform: scale(1.05); }
.card-body { padding: 1.5rem 1.5rem 1.7rem; flex: 1; display: flex; flex-direction: column; }
.card .meta { font-size: .78rem; text-transform: uppercase; letter-spacing: .1em; color: var(--color-muted); margin-bottom: .6rem; }
.card h3 { font-size: 1.3rem; margin-bottom: .5rem; }
.card p { font-size: .98rem; color: var(--color-ink-soft); margin-bottom: 1rem; }
.card .more { margin-top: auto; font-weight: 700; font-size: .85rem; text-transform: uppercase; letter-spacing: .06em; }

/* Mission / focus areas */
.focus-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: var(--gap); margin-top: 3rem; }
.focus-item { padding: 2rem; background: var(--color-surface); border-top: 3px solid var(--color-terracotta); border-radius: var(--radius); }
.focus-item:nth-child(2) { border-top-color: var(--color-ochre); }
.focus-item:nth-child(3) { border-top-color: var(--color-stone); }
.focus-item .num { font-family: var(--font-display); font-size: 2.5rem; color: var(--color-line); line-height: 1; margin-bottom: .5rem; }

/* Split / about */
.split { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(2rem,5vw,4rem); align-items: center; }
.split .media { aspect-ratio: 4/3; background: #d8cdb8; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.split .media img { width:100%; height:100%; object-fit: cover; }

/* Stats */
.stats { display: grid; grid-template-columns: repeat(4,1fr); gap: var(--gap); text-align: center; }
.stat .figure { font-family: var(--font-display); font-size: clamp(2.2rem,5vw,3.4rem); color: var(--color-ochre); line-height: 1; }
.stat .label { font-size: .82rem; text-transform: uppercase; letter-spacing: .1em; color: rgba(233,226,214,.75); margin-top: .5rem; }

/* CTA band */
.cta-band { text-align: center; }
.cta-band h2 { color: #fff; max-width: 20ch; margin: 0 auto .8rem; }
.cta-band p { color: rgba(255,255,255,.85); max-width: 50ch; margin: 0 auto 2rem; }

/* ============================================================
   GALLERY
   ============================================================ */
.gallery-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; }
.gallery-grid a { display: block; aspect-ratio: 1/1; overflow: hidden; border-radius: var(--radius); background: #ded4c2; }
.gallery-grid img { width:100%; height:100%; object-fit: cover; transition: transform .5s ease; }
.gallery-grid a:hover img { transform: scale(1.08); }

.lightbox { position: fixed; inset: 0; background: rgba(20,16,12,.92); display: none; align-items: center; justify-content: center; z-index: 999; padding: 2rem; }
.lightbox.open { display: flex; }
.lightbox img { max-width: 90vw; max-height: 86vh; border-radius: var(--radius); box-shadow: 0 20px 60px rgba(0,0,0,.5); }
.lightbox .close { position: absolute; top: 1.5rem; right: 2rem; color: #fff; font-size: 2.5rem; cursor: pointer; line-height: 1; background:none; border:0; }

/* ============================================================
   POSTS / SINGLE
   ============================================================ */
.page-hero { background: var(--color-deep); color: #fff; padding: clamp(3.5rem,9vw,6rem) 0 clamp(2.5rem,6vw,4rem); }
.page-hero h1 { color: #fff; }
.page-hero .eyebrow { color: var(--color-ochre); }
.page-hero .breadcrumb { font-size: .85rem; color: rgba(255,255,255,.6); margin-bottom: 1rem; }
.page-hero .breadcrumb a { color: rgba(255,255,255,.85); }

.entry { max-width: 760px; margin: 0 auto; }
.entry img { border-radius: var(--radius); margin: 1.5rem 0; }
.entry h2, .entry h3 { margin-top: 2rem; }
.entry blockquote { border-left: 3px solid var(--color-terracotta); margin: 1.5rem 0; padding: .5rem 0 .5rem 1.5rem; font-family: var(--font-display); font-size: 1.3rem; color: var(--color-ink); font-style: italic; }

.featured-media { aspect-ratio: 16/7; background: #d8cdb8; border-radius: var(--radius); overflow: hidden; margin-bottom: 2.5rem; }
.featured-media img { width:100%; height:100%; object-fit: cover; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem,5vw,4rem); }
.contact-info dt { font-weight: 700; color: var(--color-ink); text-transform: uppercase; letter-spacing: .08em; font-size: .8rem; margin-top: 1.5rem; }
.contact-info dd { margin: .3rem 0 0; }
.contact-form label { display: block; font-weight: 600; font-size: .85rem; color: var(--color-ink); margin: 1rem 0 .4rem; text-transform: uppercase; letter-spacing: .05em; }
.contact-form input, .contact-form textarea {
    width: 100%; padding: .8rem 1rem; font-family: var(--font-body); font-size: 1rem;
    border: 1px solid var(--color-line); border-radius: var(--radius); background: var(--color-surface); color: var(--color-ink);
}
.contact-form input:focus, .contact-form textarea:focus { outline: 2px solid var(--color-terracotta); border-color: transparent; }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer { background: #1c1814; color: #cbc1b2; padding: clamp(3rem,7vw,5rem) 0 2rem; font-size: .95rem; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.4fr; gap: var(--gap); margin-bottom: 3rem; }
.site-footer h4 { color: #fff; font-family: var(--font-body); font-size: .85rem; text-transform: uppercase; letter-spacing: .12em; margin-bottom: 1.1rem; }
.site-footer a { color: #cbc1b2; }
.site-footer a:hover { color: var(--color-ochre); }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: .6rem; }
.footer-brand .mark { width: 44px; height: 44px; display: grid; place-items: center; background: var(--color-terracotta); color:#fff; font-family: var(--font-display); font-weight: 700; border-radius: var(--radius); margin-bottom: 1rem; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding-top: 1.5rem; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem; font-size: .82rem; color: #8c8175; }

/* ============================================================
   ANIMATIONS
   ============================================================ */
@keyframes rise { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: none; } }
.reveal { opacity: 0; }
.reveal.in { animation: rise .7s cubic-bezier(.2,.7,.2,1) forwards; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
    .grid-3, .focus-grid, .footer-grid { grid-template-columns: repeat(2,1fr); }
    .stats { grid-template-columns: repeat(2,1fr); }
    .split, .contact-grid { grid-template-columns: 1fr; }
    .gallery-grid { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 680px) {
    body { font-size: 17px; }
    .main-nav {
        position: fixed; inset: 64px 0 auto 0; background: var(--color-bg);
        border-bottom: 1px solid var(--color-line); padding: 1rem var(--gap);
        transform: translateY(-120%); transition: transform var(--transition); z-index: 90;
    }
    .main-nav.open { transform: translateY(0); }
    .main-nav ul { flex-direction: column; gap: .2rem; }
    .main-nav li { border-bottom: 1px solid var(--color-line); }
    .main-nav a { display: block; padding: .9rem 0; }
    .nav-toggle { display: block; }
    .grid-3, .grid-2, .focus-grid, .footer-grid, .stats { grid-template-columns: 1fr; }
    .hero-actions { flex-direction: column; align-items: stretch; }
    .hero-actions .btn { justify-content: center; }
}