/* =====================================================================
   Caucasus Research Center — main stylesheet
   ===================================================================== */

/* ---------- Fonts (self-hosted) ---------- */
@font-face {
    font-family: "Inter";
    font-style: normal;
    font-weight: 100 900;
    font-display: swap;
    src: url("../fonts/inter-latin.woff2") format("woff2");
    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
    font-family: "Inter";
    font-style: normal;
    font-weight: 100 900;
    font-display: swap;
    src: url("../fonts/inter-latin-ext.woff2") format("woff2");
    unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
    font-family: "Source Serif 4";
    font-style: normal;
    font-weight: 200 900;
    font-display: swap;
    src: url("../fonts/source-serif-latin.woff2") format("woff2");
    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
    font-family: "Source Serif 4";
    font-style: normal;
    font-weight: 200 900;
    font-display: swap;
    src: url("../fonts/source-serif-latin-ext.woff2") format("woff2");
    unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
    font-family: "Source Serif 4";
    font-style: italic;
    font-weight: 200 900;
    font-display: swap;
    src: url("../fonts/source-serif-latin-italic.woff2") format("woff2");
}

/* ---------- Design tokens ---------- */
:root {
    --ink: #0f2233;
    --navy: #14324a;
    --navy-600: #1c4566;
    --navy-100: #e6edf3;
    --brass: #b7883a;
    --brass-dark: #8a611d;
    --brass-light: #d8b46e;
    --paper: #f5f2ec;
    --white: #ffffff;
    --text: #1a2632;
    --muted: #566370;
    --line: #e1dbcf;
    --line-dark: rgba(255, 255, 255, .14);
    --success: #1f6b45;
    --danger: #a3302a;

    --serif: "Source Serif 4", Georgia, "Times New Roman", serif;
    --sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;

    --radius: 6px;
    --radius-lg: 12px;
    --shadow: 0 1px 2px rgba(15, 34, 51, .06), 0 8px 24px rgba(15, 34, 51, .08);
    --shadow-lg: 0 2px 4px rgba(15, 34, 51, .06), 0 18px 48px rgba(15, 34, 51, .14);
    --container: 1200px;
    --gutter: clamp(16px, 4vw, 32px);
    --header-h: 76px;
}

/* ---------- Reset & base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); }
body {
    margin: 0;
    font-family: var(--sans);
    font-size: 1rem;
    line-height: 1.65;
    color: var(--text);
    background: var(--white);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
img { height: auto; }
a { color: var(--navy-600); text-underline-offset: .18em; text-decoration-thickness: 1px; }
a:hover { color: var(--brass-dark); }
:focus-visible { outline: 2px solid var(--brass); outline-offset: 3px; border-radius: 2px; }
h1, h2, h3, h4 {
    font-family: var(--serif);
    font-weight: 600;
    line-height: 1.18;
    color: var(--ink);
    margin: 0 0 .6em;
    letter-spacing: -.01em;
    text-wrap: balance;
}
h1 { font-size: clamp(2.1rem, 4.4vw, 3.5rem); }
h2 { font-size: clamp(1.7rem, 3vw, 2.45rem); }
h3 { font-size: clamp(1.2rem, 1.6vw, 1.4rem); }
h4 { font-size: 1.1rem; }
p { margin: 0 0 1.1em; }
ul, ol { margin: 0 0 1.1em; padding-left: 1.25em; }
strong { font-weight: 600; }
hr { border: 0; border-top: 1px solid var(--line); margin: 2.5rem 0; }

.visually-hidden {
    position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
    overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip-link {
    position: absolute; left: 16px; top: -60px; z-index: 200;
    background: var(--ink); color: #fff; padding: 10px 16px; border-radius: var(--radius);
}
.skip-link:focus { top: 12px; color: #fff; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter); }
.container--narrow { max-width: 860px; }

.icon { width: 1.25em; height: 1.25em; flex-shrink: 0; }

/* ---------- Section scaffolding ---------- */
.section { padding: clamp(64px, 9vw, 112px) 0; }
.section--tight { padding: clamp(48px, 6vw, 72px) 0; }
.section--paper { background: var(--paper); }
.section--ink { background: var(--ink); color: rgba(255, 255, 255, .82); }
.section--ink h2, .section--ink h3 { color: #fff; }
.section + .section--paper, .section--paper + .section { border-top: 0; }

.section-head { max-width: 760px; margin-bottom: clamp(32px, 5vw, 56px); }
.section-head--center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head--split {
    max-width: none; display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; flex-wrap: wrap;
}
.section-head--split > div { max-width: 720px; }
.section-head p:last-child { margin-bottom: 0; }

.eyebrow {
    display: inline-flex; align-items: center; gap: .6em;
    font-family: var(--sans); font-size: .78rem; font-weight: 600;
    letter-spacing: .14em; text-transform: uppercase;
    color: var(--brass-dark); margin: 0 0 1rem;
}
.eyebrow::before { content: ""; width: 28px; height: 2px; background: currentColor; opacity: .8; }
.eyebrow--light { color: var(--brass-light); }
.lead { font-size: clamp(1.08rem, 1.4vw, 1.22rem); line-height: 1.7; color: var(--muted); }
.section--ink .lead { color: rgba(255, 255, 255, .78); }

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: .55em;
    font: 600 .95rem/1 var(--sans); letter-spacing: .01em;
    padding: 15px 24px; border-radius: var(--radius);
    border: 1.5px solid transparent; text-decoration: none; cursor: pointer;
    transition: background-color .2s, color .2s, border-color .2s, transform .2s;
}
.btn .icon { width: 1.1em; height: 1.1em; transition: transform .2s; }
.btn:hover .icon { transform: translateX(3px); }
.btn--primary { background: var(--navy); color: #fff; }
.btn--primary:hover { background: var(--ink); color: #fff; }
.btn--brass { background: var(--brass-light); color: var(--ink); }
.btn--brass:hover { background: #e6c88c; color: var(--ink); }
.btn--ghost { border-color: rgba(255, 255, 255, .55); color: #fff; background: rgba(255, 255, 255, .04); }
.btn--ghost:hover { border-color: #fff; background: rgba(255, 255, 255, .12); color: #fff; }
.btn--outline { border-color: var(--navy); color: var(--navy); background: transparent; }
.btn--outline:hover { background: var(--navy); color: #fff; }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; }

.text-link {
    display: inline-flex; align-items: center; gap: .4em;
    font-weight: 600; font-size: .95rem; color: var(--navy); text-decoration: none;
}
.text-link .icon { width: 1.05em; height: 1.05em; transition: transform .2s; }
.text-link:hover { color: var(--brass-dark); }
.text-link:hover .icon { transform: translateX(3px); }

/* ---------- Header & navigation ---------- */
.site-header {
    position: sticky; top: 0; z-index: 100;
    background: rgba(255, 255, 255, .97);
    border-bottom: 1px solid var(--line);
    transition: box-shadow .25s;
}
@supports (backdrop-filter: blur(8px)) {
    .site-header { background: rgba(255, 255, 255, .9); backdrop-filter: saturate(1.4) blur(10px); }
}
.site-header.is-scrolled { box-shadow: 0 6px 24px rgba(15, 34, 51, .08); }
.site-header__inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: var(--header-h); }

.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; color: var(--navy); min-width: 0; }
.brand:hover { color: var(--navy); }
.logo-mark { width: 42px; height: 42px; flex-shrink: 0; color: var(--navy); }
.brand__text { display: flex; flex-direction: column; line-height: 1.15; min-width: 0; }
.brand__name { font-family: var(--serif); font-weight: 700; font-size: 1.14rem; color: var(--ink); letter-spacing: -.005em; }
.brand__tag { font-size: .68rem; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin-top: 3px; white-space: nowrap; }
.brand--light .brand__name { color: #fff; }
.brand--light .brand__tag { color: rgba(255, 255, 255, .6); }
.brand--light .logo-mark { color: var(--navy-600); }

.nav-list { list-style: none; margin: 0; padding: 0; display: flex; align-items: center; gap: 2px; }
.nav-item { position: relative; display: flex; align-items: center; }
.nav-link {
    display: block; padding: 10px 12px; border-radius: var(--radius);
    font-size: .93rem; font-weight: 500; color: var(--text); text-decoration: none; white-space: nowrap;
}
.nav-link:hover { color: var(--navy); background: var(--navy-100); }
.nav-link.is-active { color: var(--navy); font-weight: 600; box-shadow: inset 0 -2px 0 var(--brass); border-radius: 0; }
.nav-item--cta .nav-link { background: var(--navy); color: #fff; padding: 10px 18px; margin-left: 8px; border-radius: var(--radius); box-shadow: none; }
.nav-item--cta .nav-link:hover, .nav-item--cta .nav-link.is-active { background: var(--ink); color: #fff; }

.sub-toggle {
    display: inline-flex; align-items: center; justify-content: center;
    width: 26px; height: 32px; margin-left: -8px; padding: 0;
    background: none; border: 0; color: var(--muted); cursor: pointer; border-radius: var(--radius);
}
.sub-toggle .icon { width: 15px; height: 15px; transition: transform .2s; }
.sub-menu {
    list-style: none; margin: 0; padding: 8px;
    position: absolute; top: calc(100% + 6px); left: 0; min-width: 270px;
    background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); box-shadow: var(--shadow-lg);
    opacity: 0; visibility: hidden; transform: translateY(6px);
    transition: opacity .18s, transform .18s, visibility .18s;
}
.sub-menu::before { content: ""; position: absolute; left: 0; right: 0; top: -10px; height: 10px; }
.sub-menu a {
    display: block; padding: 10px 14px; border-radius: var(--radius);
    font-size: .92rem; color: var(--text); text-decoration: none; line-height: 1.35;
}
.sub-menu a:hover { background: var(--paper); color: var(--navy); }

.nav-toggle {
    display: none; align-items: center; justify-content: center;
    width: 46px; height: 46px; border: 1px solid var(--line); border-radius: var(--radius);
    background: #fff; color: var(--ink); cursor: pointer;
}
.nav-toggle .icon { width: 24px; height: 24px; }
.nav-toggle__close { display: none; }
.nav-toggle[aria-expanded="true"] .nav-toggle__open { display: none; }
.nav-toggle[aria-expanded="true"] .nav-toggle__close { display: block; }

@media (min-width: 1101px) {
    .has-sub:hover .sub-menu,
    .has-sub:focus-within .sub-menu,
    .has-sub.is-open .sub-menu { opacity: 1; visibility: visible; transform: none; }
    .has-sub:hover .sub-toggle .icon, .has-sub.is-open .sub-toggle .icon { transform: rotate(180deg); }
}

@media (max-width: 1100px) {
    .nav-toggle { display: inline-flex; }
    .site-nav {
        position: absolute; left: 0; right: 0; top: 100%;
        background: #fff; border-bottom: 1px solid var(--line); box-shadow: var(--shadow-lg);
        max-height: calc(100vh - var(--header-h)); overflow-y: auto;
        display: none;
    }
    .site-nav.is-open { display: block; }
    .no-js .site-nav, html:not(.js) .site-nav { display: block; position: static; box-shadow: none; }
    .nav-list { flex-direction: column; align-items: stretch; padding: 12px var(--gutter) 20px; gap: 0; }
    .nav-item { flex-wrap: wrap; border-bottom: 1px solid var(--line); }
    .nav-item:last-child { border-bottom: 0; }
    .nav-link { flex: 1; padding: 14px 4px; font-size: 1rem; border-radius: 0; }
    .nav-link:hover { background: none; }
    .nav-link.is-active { box-shadow: none; color: var(--brass-dark); }
    .sub-toggle { width: 44px; height: 44px; margin: 0; }
    .sub-menu {
        position: static; width: 100%; min-width: 0; padding: 0 0 10px 12px;
        border: 0; box-shadow: none; border-radius: 0; background: none;
        opacity: 1; visibility: visible; transform: none; display: none;
    }
    .sub-menu::before { display: none; }
    .has-sub.is-open .sub-menu { display: block; }
    .has-sub.is-open .sub-toggle .icon { transform: rotate(180deg); }
    .sub-menu a { padding: 10px 12px; color: var(--muted); }
    .nav-item--cta { border-bottom: 0; padding-top: 14px; }
    .nav-item--cta .nav-link { margin: 0; text-align: center; padding: 14px; }
}
@media (max-width: 520px) {
    .brand__tag { display: none; }
    .brand__name { font-size: 1.02rem; }
    .logo-mark { width: 38px; height: 38px; }
}

/* ---------- Home hero ---------- */
.hero {
    position: relative; isolation: isolate; overflow: hidden;
    min-height: min(88vh, 820px);
    display: flex; flex-direction: column; justify-content: flex-end;
    color: #fff; background: var(--ink);
}
.hero__media, .hero__media img { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero__media { z-index: -2; }
.hero__media img { object-fit: cover; object-position: 50% 40%; }
.hero::before {
    content: ""; position: absolute; inset: 0; z-index: -1;
    background:
        linear-gradient(90deg, rgba(10, 24, 37, .88) 0%, rgba(10, 24, 37, .62) 45%, rgba(10, 24, 37, .15) 100%),
        linear-gradient(0deg, rgba(10, 24, 37, .85) 0%, rgba(10, 24, 37, 0) 45%);
}
.hero__content { padding-top: clamp(80px, 12vw, 140px); padding-bottom: clamp(40px, 6vw, 72px); }
.hero h1 { color: #fff; max-width: 17ch; margin-bottom: .45em; font-size: clamp(2.3rem, 5.2vw, 4.1rem); }
.hero__lead { max-width: 60ch; font-size: clamp(1.05rem, 1.5vw, 1.22rem); line-height: 1.7; color: rgba(255, 255, 255, .86); margin-bottom: 2rem; }
.hero__facts {
    border-top: 1px solid var(--line-dark);
    background: rgba(10, 24, 37, .55);
}
@supports (backdrop-filter: blur(8px)) { .hero__facts { backdrop-filter: blur(8px); background: rgba(10, 24, 37, .4); } }
.hero__facts ul {
    list-style: none; margin: 0; padding: 0;
    display: grid; grid-template-columns: repeat(3, 1fr);
}
.hero__facts li { padding: 22px 24px 22px 0; display: flex; flex-direction: column; gap: 2px; }
.hero__facts li + li { padding-left: 24px; border-left: 1px solid var(--line-dark); }
.hero__facts .k { font-size: .72rem; letter-spacing: .13em; text-transform: uppercase; color: var(--brass-light); font-weight: 600; }
.hero__facts .v { font-family: var(--serif); font-size: 1.2rem; color: #fff; }
@media (max-width: 860px) {
    .hero__facts ul { grid-template-columns: repeat(2, 1fr); }
    .hero__facts li:nth-child(3) { padding-left: 0; border-left: 0; grid-column: 1 / -1; }
    .hero__facts li:nth-child(n+3) { border-top: 1px solid var(--line-dark); }
}

/* ---------- Page hero (inner pages) ---------- */
.page-hero {
    position: relative; isolation: isolate; overflow: hidden;
    background:
        radial-gradient(1200px 400px at 85% -10%, rgba(216, 180, 110, .18), transparent 60%),
        linear-gradient(135deg, #0f2233 0%, #14324a 100%);
    color: #fff;
    padding: clamp(64px, 9vw, 120px) 0 clamp(48px, 7vw, 88px);
}
.page-hero::after {
    content: ""; position: absolute; inset: auto 0 0 0; height: 4px;
    background: linear-gradient(90deg, var(--brass) 0 120px, transparent 120px);
}
.page-hero--image { padding: clamp(96px, 14vw, 180px) 0 clamp(48px, 7vw, 80px); }
.page-hero__media, .page-hero__media img { position: absolute; inset: 0; width: 100%; height: 100%; }
.page-hero__media { z-index: -2; }
.page-hero__media img { object-fit: cover; }
.page-hero--image::before {
    content: ""; position: absolute; inset: 0; z-index: -1;
    background: linear-gradient(90deg, rgba(10, 24, 37, .9) 0%, rgba(10, 24, 37, .66) 55%, rgba(10, 24, 37, .3) 100%);
}
.page-hero h1 { color: #fff; max-width: 22ch; margin-bottom: .35em; }
.page-hero__lead { max-width: 62ch; font-size: clamp(1.04rem, 1.4vw, 1.18rem); color: rgba(255, 255, 255, .84); margin: 0; }

.breadcrumbs { font-size: .85rem; margin-bottom: 1.2rem; color: rgba(255, 255, 255, .7); }
.breadcrumbs a { color: rgba(255, 255, 255, .85); text-decoration: none; }
.breadcrumbs a:hover { color: #fff; text-decoration: underline; }

/* ---------- Grids ---------- */
.grid { display: grid; gap: clamp(20px, 2.5vw, 32px); }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 1000px) { .grid-3, .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 680px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: minmax(0, 1fr); } }

/* ---------- Intro / split layouts ---------- */
.intro-grid { display: grid; grid-template-columns: 5fr 7fr; gap: clamp(32px, 6vw, 96px); align-items: start; }
.intro-grid h2 { margin-bottom: 0; }
.intro-grid .intro-aside { position: sticky; top: calc(var(--header-h) + 32px); }
.intro-grid .intro-aside--static { position: static; }
@media (max-width: 900px) { .intro-grid { grid-template-columns: 1fr; } .intro-grid .intro-aside { position: static; } }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 6vw, 88px); align-items: center; }
.split--reverse .split__media { order: 2; }
.split__media { position: relative; }
.split__media img { width: 100%; border-radius: var(--radius-lg); aspect-ratio: 4 / 3; object-fit: cover; box-shadow: var(--shadow-lg); }
.split__media::after {
    content: ""; position: absolute; z-index: -1; inset: 24px -24px -24px 24px;
    border: 1px solid var(--brass); border-radius: var(--radius-lg); opacity: .5;
}
.split--reverse .split__media::after { inset: 24px 24px -24px -24px; }
.split__media figcaption { font-size: .8rem; color: var(--muted); margin-top: 12px; }
@media (max-width: 900px) {
    .split { grid-template-columns: 1fr; }
    .split--reverse .split__media { order: 0; }
    .split__media::after { display: none; }
}

/* ---------- Fact list ---------- */
.fact-list { list-style: none; padding: 0; margin: 2rem 0 0; border-top: 1px solid var(--line); }
.fact-list li { display: flex; align-items: center; gap: 14px; padding: 16px 0; border-bottom: 1px solid var(--line); }
.fact-list .icon { color: var(--brass); width: 22px; height: 22px; }
.fact-list span { color: var(--muted); font-size: .92rem; }
.fact-list strong { display: block; color: var(--ink); font-size: 1rem; }

/* ---------- Stats ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat { padding: 8px 28px; border-left: 1px solid var(--line-dark); }
.stat:first-child { border-left: 0; padding-left: 0; }
.stat__num { font-family: var(--serif); font-weight: 600; font-size: clamp(2.6rem, 5vw, 3.8rem); line-height: 1; color: var(--brass-light); }
.stat__label { margin-top: 12px; color: rgba(255, 255, 255, .78); font-size: .95rem; max-width: 22ch; }
.stats--3 { grid-template-columns: repeat(3, 1fr); }
.stats--light .stat { border-left-color: var(--line); }
.stats--light .stat__num { color: var(--navy); }
.stats--light .stat__label { color: var(--muted); }
@media (max-width: 860px) {
    .stats { grid-template-columns: repeat(2, 1fr); row-gap: 32px; }
    .stat:nth-child(3) { border-left: 0; padding-left: 0; }
}

/* ---------- Cards ---------- */
.card {
    position: relative; display: flex; flex-direction: column;
    background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
    overflow: hidden; transition: transform .25s, box-shadow .25s, border-color .25s;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); border-color: transparent; }
.card__media { aspect-ratio: 16 / 10; overflow: hidden; background: var(--navy-100); }
.card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s; }
.card:hover .card__media img { transform: scale(1.04); }
.card__body { display: flex; flex-direction: column; flex: 1; padding: 24px 24px 26px; }
.card__kicker {
    display: inline-flex; align-items: center; gap: 8px; font-size: .74rem; font-weight: 600;
    letter-spacing: .12em; text-transform: uppercase; color: var(--brass-dark); margin-bottom: 10px;
}
.card__kicker .icon { width: 18px; height: 18px; }
.card__title { font-size: 1.28rem; margin-bottom: .55em; }
.card__title a { color: inherit; text-decoration: none; }
.card__title a::after { content: ""; position: absolute; inset: 0; }
.card__text { color: var(--muted); font-size: .96rem; margin-bottom: 1.2rem; }
.card__foot { margin-top: auto; }
.card--plain:hover { transform: none; box-shadow: none; border-color: var(--line); }

/* Research area teaser grid: first card spans two columns on wide screens */
.areas-grid { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: clamp(20px, 2.5vw, 28px); }
.areas-grid > * { grid-column: span 2; }
.areas-grid > :nth-child(1), .areas-grid > :nth-child(2) { grid-column: span 3; }
@media (max-width: 1000px) {
    .areas-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .areas-grid > *, .areas-grid > :nth-child(1), .areas-grid > :nth-child(2) { grid-column: span 1; }
    .areas-grid > :nth-child(5) { grid-column: span 2; }
}
@media (max-width: 680px) {
    .areas-grid { grid-template-columns: 1fr; }
    .areas-grid > :nth-child(5) { grid-column: span 1; }
}

/* ---------- Publication cards ---------- */
.pub-card { display: grid; grid-template-columns: 2fr 3fr; }
.pub-card .card__media { aspect-ratio: auto; min-height: 100%; }
.pub-card .card__body { padding: clamp(24px, 3vw, 36px); }
.pub-card .card__title { font-size: clamp(1.25rem, 2vw, 1.5rem); line-height: 1.25; }
.pub-meta { display: flex; flex-wrap: wrap; gap: 6px 18px; font-size: .84rem; color: var(--muted); margin-bottom: 1rem; }
.pub-meta span { display: inline-flex; align-items: center; gap: 6px; }
.pub-meta .icon { width: 16px; height: 16px; }
@media (max-width: 760px) {
    .pub-card { grid-template-columns: 1fr; }
    .pub-card .card__media { aspect-ratio: 16 / 9; }
}

/* ---------- Locations ---------- */
.location {
    position: relative; isolation: isolate; overflow: hidden; border-radius: var(--radius-lg);
    min-height: 380px; display: flex; align-items: flex-end; color: #fff; background: var(--ink);
}
.location img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; transition: transform .8s; }
.location:hover img { transform: scale(1.04); }
.location::before { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(0deg, rgba(10, 24, 37, .92) 0%, rgba(10, 24, 37, .35) 55%, rgba(10, 24, 37, .1) 100%); }
.location__body { padding: clamp(24px, 3vw, 36px); }
.location__label { font-size: .74rem; letter-spacing: .14em; text-transform: uppercase; font-weight: 600; color: var(--brass-light); margin-bottom: 6px; }
.location h3 { color: #fff; font-size: clamp(1.5rem, 2.6vw, 2rem); margin-bottom: .35em; }
.location p { color: rgba(255, 255, 255, .84); margin: 0; max-width: 46ch; }

/* ---------- Principles / numbered features ---------- */
.feature-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.feature { padding: clamp(24px, 3vw, 36px); border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: #fff; }
.section--paper .feature { background: transparent; }
.feature__num { font-family: var(--serif); font-size: .95rem; font-weight: 600; color: var(--brass-dark); margin-bottom: 18px; display: block; }
.feature__icon { width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center; background: var(--navy-100); color: var(--navy); margin-bottom: 18px; }
.feature__icon .icon { width: 22px; height: 22px; }
.feature h3 { font-size: 1.22rem; margin-bottom: .5em; }
.feature p { color: var(--muted); font-size: .96rem; margin: 0; }
@media (max-width: 1000px) { .feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px) { .feature-grid { grid-template-columns: 1fr; } }

/* ---------- Mission / vision panels ---------- */
.panel {
    background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
    padding: clamp(28px, 3.5vw, 44px); height: 100%;
}
.panel__icon { color: var(--brass); margin-bottom: 18px; }
.panel__icon .icon { width: 34px; height: 34px; }
.panel h3 { font-size: 1.5rem; }
.panel p { color: var(--muted); }
.panel p:last-child { margin-bottom: 0; }
.panel .statement { font-family: var(--serif); font-size: 1.2rem; line-height: 1.55; color: var(--ink); }

/* ---------- Prose (long-form text) ---------- */
.prose { font-size: 1.07rem; line-height: 1.78; max-width: 72ch; }
.prose > :first-child { margin-top: 0; }
.prose h2 { font-size: clamp(1.45rem, 2.4vw, 1.85rem); margin: 2.4em 0 .7em; padding-top: .2em; }
.prose h3 { font-size: 1.22rem; margin: 1.9em 0 .5em; color: var(--navy); }
.prose p { margin-bottom: 1.15em; }
.prose ul { padding-left: 0; list-style: none; margin: 1.2em 0 1.6em; }
.prose li { position: relative; padding-left: 1.6em; margin-bottom: .6em; }
.prose li::before { content: ""; position: absolute; left: .2em; top: .72em; width: 7px; height: 7px; background: var(--brass); transform: rotate(45deg); }
.prose strong { color: var(--ink); }
.prose .lead-para { font-family: var(--serif); font-size: 1.28rem; line-height: 1.6; color: var(--ink); }

.callout {
    border-left: 3px solid var(--brass); background: var(--paper);
    padding: 22px 26px; border-radius: 0 var(--radius) var(--radius) 0; margin: 2rem 0;
}
.callout p:last-child { margin-bottom: 0; }
.callout--quote { font-family: var(--serif); font-size: 1.25rem; line-height: 1.55; color: var(--ink); }

/* ---------- Two-column content with side navigation ---------- */
.with-aside { display: grid; grid-template-columns: 260px minmax(0, 1fr); gap: clamp(32px, 5vw, 72px); align-items: start; }
.aside-nav { position: sticky; top: calc(var(--header-h) + 28px); }
.aside-nav__title { font-size: .74rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); margin-bottom: 12px; }
.aside-nav ol, .aside-nav ul { list-style: none; padding: 0; margin: 0; border-left: 2px solid var(--line); }
.aside-nav a {
    display: block; padding: 7px 0 7px 16px; margin-left: -2px; border-left: 2px solid transparent;
    font-size: .9rem; line-height: 1.4; color: var(--muted); text-decoration: none;
}
.aside-nav a:hover { color: var(--navy); }
.aside-nav a.is-active { color: var(--navy); font-weight: 600; border-left-color: var(--brass); }
@media (max-width: 960px) {
    .with-aside { grid-template-columns: 1fr; }
    .aside-nav { position: static; }
    .aside-nav details { border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 16px; background: var(--paper); }
}
.aside-nav summary { cursor: pointer; font-weight: 600; color: var(--ink); list-style: none; display: flex; justify-content: space-between; align-items: center; }
.aside-nav summary::-webkit-details-marker { display: none; }
.aside-nav summary .icon { width: 18px; height: 18px; transition: transform .2s; }
.aside-nav details[open] summary .icon { transform: rotate(180deg); }
.aside-nav details[open] summary { margin-bottom: 10px; }
@media (min-width: 961px) {
    .aside-nav summary { pointer-events: none; font-size: .74rem; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); margin-bottom: 12px; }
    .aside-nav summary .icon { display: none; }
}

/* ---------- Research area blocks ---------- */
.area-block { display: grid; grid-template-columns: minmax(0, 1fr); gap: 28px; padding-bottom: clamp(48px, 6vw, 72px); margin-bottom: clamp(48px, 6vw, 72px); border-bottom: 1px solid var(--line); }
.area-block:last-child { border-bottom: 0; margin-bottom: 0; padding-bottom: 0; }
.area-block__media img { width: 100%; aspect-ratio: 21 / 9; object-fit: cover; border-radius: var(--radius-lg); }
.area-block__head { display: flex; align-items: center; gap: 16px; margin-bottom: 8px; }
.area-block__num { font-family: var(--serif); font-size: .95rem; font-weight: 600; color: var(--brass-dark); }
.area-block .prose h2 { font-size: clamp(1.5rem, 2.6vw, 2rem); margin: 0 0 .6em; }
.area-block .area-block__num { margin-bottom: .4em; }

/* ---------- Approach cards ---------- */
.approach { display: grid; grid-template-columns: 64px minmax(0, 1fr); gap: 20px; padding: 28px 0; border-bottom: 1px solid var(--line); }
.approach:first-child { border-top: 1px solid var(--line); }
.approach__icon { width: 56px; height: 56px; border-radius: var(--radius-lg); display: grid; place-items: center; background: var(--navy); color: var(--brass-light); }
.approach__icon .icon { width: 26px; height: 26px; }
.approach h3 { margin-bottom: .4em; }
.approach p { color: var(--muted); margin-bottom: .7em; }
.approach p:last-child { margin-bottom: 0; }

/* ---------- Lists with diamonds ---------- */
.check-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.check-list li { position: relative; padding: 14px 18px 14px 46px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }
.check-list li::before { content: ""; position: absolute; left: 20px; top: 50%; width: 9px; height: 9px; background: var(--brass); transform: translateY(-50%) rotate(45deg); }
.section--paper .check-list li { background: #fff; }

.tag-list { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 10px; }
.tag-list li {
    padding: 9px 16px; border: 1px solid var(--line); border-radius: 999px; background: #fff;
    font-size: .9rem; color: var(--navy); font-weight: 500;
}
.section--ink .tag-list li { background: transparent; border-color: var(--line-dark); color: #fff; }

/* ---------- Team / distribution ---------- */
.region-card { display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; }
.region-card__media { aspect-ratio: 16 / 10; overflow: hidden; }
.region-card__media img { width: 100%; height: 100%; object-fit: cover; }
.region-card__body { padding: 22px 24px; display: flex; align-items: baseline; justify-content: space-between; gap: 16px; }
.region-card__name { font-family: var(--serif); font-size: 1.3rem; font-weight: 600; color: var(--ink); }
.region-card__count { font-family: var(--serif); font-size: 2.2rem; font-weight: 600; color: var(--navy); line-height: 1; }
.region-card__count small { display: block; font-family: var(--sans); font-size: .74rem; font-weight: 500; color: var(--muted); letter-spacing: .04em; margin-top: 6px; text-align: right; }

.dist { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }
.dist li { display: grid; grid-template-columns: 130px minmax(0, 1fr) 36px; align-items: center; gap: 16px; }
.dist__label { font-weight: 500; color: var(--ink); }
.dist__bar { height: 12px; background: var(--navy-100); border-radius: 99px; overflow: hidden; }
.dist__bar span { display: block; height: 100%; background: linear-gradient(90deg, var(--navy) 0%, var(--navy-600) 100%); border-radius: 99px; }
.dist__num { font-family: var(--serif); font-weight: 600; font-size: 1.25rem; color: var(--navy); text-align: right; }
.section--ink .dist__label { color: #fff; }
.section--ink .dist__bar { background: rgba(255, 255, 255, .1); }
.section--ink .dist__bar span { background: linear-gradient(90deg, var(--brass) 0%, var(--brass-light) 100%); }
.section--ink .dist__num { color: var(--brass-light); }
@media (max-width: 480px) { .dist li { grid-template-columns: 96px minmax(0, 1fr) 30px; gap: 10px; } }

/* ---------- CTA band ---------- */
.cta-band {
    position: relative; isolation: isolate; overflow: hidden;
    background: linear-gradient(120deg, var(--ink) 0%, var(--navy) 100%);
    color: rgba(255, 255, 255, .85); border-radius: var(--radius-lg);
    padding: clamp(36px, 5vw, 64px); display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 32px; align-items: center;
}
.cta-band::after {
    content: ""; position: absolute; z-index: -1; right: -60px; bottom: -120px; width: 380px; height: 380px;
    border-radius: 50%; border: 1px solid rgba(216, 180, 110, .35); box-shadow: 0 0 0 40px rgba(216, 180, 110, .05), 0 0 0 80px rgba(216, 180, 110, .03);
}
.cta-band h2 { color: #fff; font-size: clamp(1.5rem, 2.6vw, 2.1rem); margin-bottom: .4em; }
.cta-band p { margin: 0; max-width: 60ch; }
@media (max-width: 760px) { .cta-band { grid-template-columns: 1fr; } }

/* ---------- Article page ---------- */
.article-hero { position: relative; isolation: isolate; color: #fff; background: var(--ink); padding: clamp(80px, 12vw, 150px) 0 clamp(40px, 6vw, 64px); overflow: hidden; }
.article-hero__media, .article-hero__media img { position: absolute; inset: 0; width: 100%; height: 100%; }
.article-hero__media { z-index: -2; }
.article-hero__media img { object-fit: cover; }
.article-hero::before { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(0deg, rgba(10, 24, 37, .95) 0%, rgba(10, 24, 37, .7) 50%, rgba(10, 24, 37, .5) 100%); }
.article-hero h1 { color: #fff; font-size: clamp(1.9rem, 3.6vw, 3rem); max-width: 30ch; }
.article-hero .pub-meta { color: rgba(255, 255, 255, .78); margin: 1.5rem 0 0; font-size: .9rem; }
.article-hero .series { color: var(--brass-light); font-weight: 600; font-size: .8rem; letter-spacing: .12em; text-transform: uppercase; margin-bottom: 1rem; }
.article-body .prose { max-width: 70ch; }
.article-body .prose h2:first-child { margin-top: 0; }
.article-end { margin-top: 3.5rem; padding-top: 2rem; border-top: 1px solid var(--line); }
.article-note { font-size: .9rem; color: var(--muted); }

.progress { position: fixed; left: 0; top: 0; height: 3px; width: 0; background: var(--brass); z-index: 150; }

/* ---------- Forms ---------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-grid .full { grid-column: 1 / -1; }
@media (max-width: 640px) { .form-grid { grid-template-columns: 1fr; } }
.field label { display: block; font-weight: 600; font-size: .9rem; color: var(--ink); margin-bottom: 6px; }
.field .opt { font-weight: 400; color: var(--muted); }
.field input, .field textarea, .field select {
    width: 100%; font: inherit; font-size: 1rem; color: var(--text);
    padding: 13px 14px; border: 1.5px solid var(--line); border-radius: var(--radius); background: #fff;
    transition: border-color .2s, box-shadow .2s;
}
.field textarea { min-height: 180px; resize: vertical; }
.field input:focus, .field textarea:focus, .field select:focus { outline: none; border-color: var(--navy-600); box-shadow: 0 0 0 4px rgba(28, 69, 102, .12); }
.field.has-error input, .field.has-error textarea { border-color: var(--danger); }
.field-error { color: var(--danger); font-size: .85rem; margin-top: 6px; }
.hp-field { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; overflow: hidden; }
.alert { padding: 16px 20px; border-radius: var(--radius); margin-bottom: 24px; border: 1px solid; }
.alert p:last-child { margin: 0; }
.alert--success { background: #eef7f1; border-color: #b8dcc6; color: var(--success); }
.alert--error { background: #fbefee; border-color: #ecc4c1; color: var(--danger); }
.alert--info { background: var(--paper); border-color: var(--line); color: var(--text); }

.contact-layout {
    display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    grid-template-areas: "intro main" "loc main" "rest main";
    grid-template-rows: auto auto 1fr;
    column-gap: clamp(32px, 6vw, 96px); row-gap: 32px; align-items: start;
}
.contact-intro { grid-area: intro; }
.contact-main { grid-area: main; }
.contact-locations { grid-area: loc; }
@media (max-width: 900px) {
    .contact-layout { grid-template-columns: minmax(0, 1fr); grid-template-areas: "intro" "main" "loc"; grid-template-rows: none; }
}
.contact-card { background: var(--paper); border-radius: var(--radius-lg); padding: clamp(24px, 3vw, 36px); }
.contact-card h3 { font-size: 1.2rem; }
.contact-card ul { list-style: none; padding: 0; margin: 0; }
.contact-card li { display: flex; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.contact-card li:last-child { border-bottom: 0; }
.contact-card .icon { color: var(--brass); margin-top: 2px; }
.contact-card address { font-style: normal; color: var(--muted); margin-top: 4px; line-height: 1.6; }

/* ---------- Empty state ---------- */
.empty-state { text-align: center; padding: clamp(40px, 6vw, 72px) 24px; border: 1.5px dashed var(--line); border-radius: var(--radius-lg); background: #fff; }
.empty-state .icon { width: 44px; height: 44px; color: var(--brass); margin: 0 auto 16px; }
.empty-state h2 { font-size: 1.5rem; }
.empty-state p { color: var(--muted); max-width: 56ch; margin-left: auto; margin-right: auto; }

/* ---------- Credits table ---------- */
.credits { width: 100%; border-collapse: collapse; font-size: .92rem; }
.credits th, .credits td { text-align: left; padding: 14px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
.credits th { font-size: .74rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.credits img { width: 96px; height: 64px; object-fit: cover; border-radius: 4px; }
@media (max-width: 700px) {
    .credits thead { display: none; }
    .credits tr { display: grid; grid-template-columns: 96px 1fr; gap: 4px 14px; padding: 14px 0; border-bottom: 1px solid var(--line); }
    .credits td { border: 0; padding: 0; }
    .credits td:first-child { grid-row: span 4; }
}

/* ---------- Footer ---------- */
.site-footer { background: var(--ink); color: rgba(255, 255, 255, .7); padding: clamp(56px, 7vw, 88px) 0 0; font-size: .94rem; }
.footer-grid { display: grid; grid-template-columns: 1.3fr .9fr .9fr 1.2fr; gap: clamp(32px, 4vw, 48px); padding-bottom: clamp(40px, 5vw, 64px); }
.footer-focus { margin: 20px 0; max-width: 40ch; }
.footer-facts { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.footer-facts li { display: flex; align-items: center; gap: 10px; }
.footer-facts .icon { color: var(--brass-light); width: 18px; height: 18px; }
.footer-facts strong { color: #fff; font-weight: 600; }
.footer-title { font-family: var(--sans); font-size: .76rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--brass-light); margin-bottom: 18px; }
.footer-links { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.footer-links a, .footer-legal a { color: rgba(255, 255, 255, .78); text-decoration: none; }
.footer-links a:hover, .footer-legal a:hover { color: #fff; text-decoration: underline; }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px 24px; padding: 24px 0 28px; border-top: 1px solid var(--line-dark); font-size: .86rem; }
.footer-bottom p { margin: 0; }
.footer-legal { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 8px 24px; }
.footer-contact { list-style: none; padding: 0; margin: 0; display: grid; gap: 18px; }
.footer-contact li { display: flex; gap: 10px; }
.footer-contact .icon { color: var(--brass-light); width: 18px; height: 18px; margin-top: 2px; }
.footer-contact strong { display: block; color: #fff; font-weight: 600; }
.footer-contact address { font-style: normal; line-height: 1.6; margin-top: 2px; }
.footer-contact a { color: rgba(255, 255, 255, .78); }
.footer-contact a:hover { color: #fff; }
@media (max-width: 1080px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .footer-grid { grid-template-columns: 1fr; } }

/* ---------- Utilities ---------- */
.mt-0 { margin-top: 0 !important; }
.mb-0 { margin-bottom: 0 !important; }
.mt-lg { margin-top: clamp(40px, 5vw, 64px); }
.center { text-align: center; }
.muted { color: var(--muted); }
.small { font-size: .88rem; }

/* ---------- Reveal on scroll ---------- */
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s ease; }
.js .reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .js .reveal { opacity: 1; transform: none; transition: none; }
    *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}

/* ---------- Print ---------- */
@media print {
    .site-header, .site-footer, .aside-nav, .progress, .cta-band, .btn { display: none !important; }
    .article-hero, .page-hero { background: none !important; color: #000; padding: 0 0 1rem; }
    .article-hero h1, .page-hero h1 { color: #000; }
    .article-hero__media, .page-hero__media, .article-hero::before, .page-hero::before { display: none; }
    .with-aside { display: block; }
    body { font-size: 11pt; }
}