:root {
  --ink: #122b2b;
  --ink-soft: #254544;
  --paper: #f7f1e7;
  --surface: #fffdf8;
  --surface-2: #e8eee7;
  --line: #d9ddd4;
  --muted: #5e6b67;
  --lime: #d9f56a;
  --coral: #ff735e;
  --sky: #a8dbe0;
  --white: #ffffff;
  --shadow: 0 20px 60px rgba(18, 43, 43, .12);
  --radius-sm: 14px;
  --radius: 24px;
  --radius-lg: 40px;
  --shell: min(1180px, calc(100vw - 40px));
  --font: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --display: Georgia, "Times New Roman", serif;
}

:root[data-theme="dark"] {
  --ink: #f2f4e9;
  --ink-soft: #d3ddd4;
  --paper: #0d211f;
  --surface: #132c29;
  --surface-2: #1b3834;
  --line: #35514c;
  --muted: #afc0ba;
  --shadow: 0 20px 60px rgba(0, 0, 0, .25);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--font); font-size: 16px; line-height: 1.65; -webkit-font-smoothing: antialiased; }
body.menu-open { overflow: hidden; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
button { color: inherit; }
::selection { background: var(--lime); color: #122b2b; }
.skip-link { position: fixed; top: 8px; left: 8px; z-index: 100; transform: translateY(-150%); padding: 10px 15px; background: var(--lime); color: #122b2b; border-radius: 10px; font-weight: 800; }
.skip-link:focus { transform: translateY(0); }
.shell { width: var(--shell); margin-inline: auto; }
.section { padding: 110px 0; }
.section--tight { padding: 76px 0; }
.section--surface { background: var(--surface); }
.section--ink { background: #122b2b; color: #fff; }
.section--coral { background: var(--coral); color: #122b2b; }
.section--lime { background: var(--lime); color: #122b2b; }
.reading-progress { position: fixed; inset: 0 0 auto; z-index: 70; height: 3px; background: linear-gradient(90deg, var(--coral) var(--progress, 0%), transparent 0); pointer-events: none; }

.site-header { width: 100%; min-height: 86px; padding: 14px max(20px, calc((100vw - 1180px)/2)); display: flex; align-items: center; gap: 28px; position: sticky; top: 0; z-index: 60; background: color-mix(in srgb, var(--paper) 90%, transparent); border-bottom: 1px solid color-mix(in srgb, var(--line) 75%, transparent); backdrop-filter: blur(18px); }
.brand { display: inline-flex; align-items: center; gap: 12px; flex: 0 0 auto; }
.brand img { border-radius: 18px; box-shadow: 0 8px 22px rgba(18, 43, 43, .14); }
.brand span { font-size: 13px; line-height: 1.1; letter-spacing: .01em; }
.brand strong { display: block; font-size: 15px; }
.desktop-nav { display: flex; align-items: center; justify-content: center; gap: 2px; flex: 1; }
.desktop-nav a { padding: 10px 11px; border-radius: 12px; color: var(--muted); font-size: 13px; font-weight: 720; white-space: nowrap; transition: background .2s, color .2s; }
.desktop-nav a:hover { background: var(--surface); color: var(--ink); }
.desktop-nav a[aria-current="page"] { background: var(--ink); color: var(--paper); }
.header-actions { display: flex; align-items: center; gap: 8px; }
.icon-button, .menu-button { border: 1px solid var(--line); background: var(--surface); cursor: pointer; }
.icon-button { width: 44px; height: 44px; display: grid; place-items: center; border-radius: 50%; }
.icon-button svg { width: 20px; fill: none; stroke: currentColor; stroke-width: 1.8; }
.menu-button { display: none; height: 44px; padding: 0 15px; align-items: center; gap: 5px; border-radius: 14px; font-size: 13px; font-weight: 800; }
.menu-button i { width: 14px; height: 1.5px; display: block; background: currentColor; transition: transform .2s; }
.mobile-nav { display: none; }

.eyebrow { display: inline-flex; align-items: center; gap: 9px; margin: 0 0 18px; color: var(--coral); font-size: 12px; font-weight: 850; letter-spacing: .14em; text-transform: uppercase; }
.eyebrow::before { content: ""; width: 25px; height: 2px; background: currentColor; }
.eyebrow--lime { color: #7a9200; }
.eyebrow--light { color: var(--lime); }
h1, h2, h3, p { margin-top: 0; }
.display { font-family: var(--display); font-size: clamp(3.35rem, 6.8vw, 6.6rem); line-height: .91; letter-spacing: -.055em; font-weight: 500; }
.display em { color: var(--coral); font-weight: 500; }
.section-title { max-width: 800px; margin-bottom: 22px; font-family: var(--display); font-size: clamp(2.45rem, 4.8vw, 4.9rem); line-height: .98; letter-spacing: -.045em; font-weight: 500; }
.section-title--sm { font-size: clamp(2rem, 3.5vw, 3.5rem); }
.lead { max-width: 720px; color: var(--muted); font-size: clamp(1.05rem, 1.8vw, 1.3rem); line-height: 1.6; }
.section--ink .lead { color: #c7d3ce; }
.section-intro { display: flex; align-items: end; justify-content: space-between; gap: 36px; margin-bottom: 50px; }
.section-intro > :last-child { max-width: 480px; }

.button { min-height: 50px; padding: 0 22px; display: inline-flex; align-items: center; justify-content: center; gap: 10px; border: 1px solid var(--ink); border-radius: 999px; background: var(--ink); color: var(--paper); font-size: 14px; font-weight: 800; transition: transform .2s, box-shadow .2s, background .2s; }
.button:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(18, 43, 43, .16); }
.button--lime { border-color: var(--lime); background: var(--lime); color: #122b2b; }
.button--coral { border-color: var(--coral); background: var(--coral); color: #122b2b; }
.button--ghost { background: transparent; color: var(--ink); }
.button--light { border-color: #fff; background: #fff; color: #122b2b; }
.button svg { width: 17px; fill: none; stroke: currentColor; stroke-width: 2; }
.text-link { display: inline-flex; align-items: center; gap: 8px; padding-bottom: 3px; border-bottom: 1px solid currentColor; font-weight: 800; font-size: 14px; }
.text-link span { transition: transform .2s; }
.text-link:hover span { transform: translateX(4px); }
.actions { display: flex; flex-wrap: wrap; gap: 12px; }

.hero { min-height: calc(100vh - 86px); display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(420px, .95fr); overflow: hidden; }
.hero__copy { padding: clamp(65px, 8vw, 120px) max(30px, calc((100vw - 1180px)/2)) 70px; padding-right: clamp(35px, 5vw, 80px); align-self: center; }
.hero__copy .lead { margin: 30px 0 36px; max-width: 650px; }
.hero__visual { min-height: 660px; position: relative; }
.hero__visual img { width: 100%; height: 100%; object-fit: cover; object-position: 59% center; }
.hero__visual::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, color-mix(in srgb, var(--paper) 32%, transparent), transparent 35%), linear-gradient(0deg, rgba(18,43,43,.12), transparent 40%); }
.hero-badge { width: 175px; height: 175px; position: absolute; left: -75px; bottom: 48px; z-index: 2; display: grid; place-items: center; border-radius: 50%; background: var(--lime); color: #122b2b; text-align: center; transform: rotate(-7deg); box-shadow: var(--shadow); }
.hero-badge strong { display: block; font-family: var(--display); font-size: 49px; line-height: .8; }
.hero-badge span { width: 110px; font-size: 11px; line-height: 1.3; font-weight: 850; letter-spacing: .08em; text-transform: uppercase; }
.hero-note { margin-top: 45px; display: flex; align-items: center; gap: 12px; color: var(--muted); font-size: 13px; font-weight: 700; }
.avatar-stack { display: flex; }
.avatar-stack i { width: 31px; height: 31px; margin-left: -8px; border: 3px solid var(--paper); border-radius: 50%; background: var(--coral); }
.avatar-stack i:first-child { margin-left: 0; background: var(--sky); }
.avatar-stack i:nth-child(2) { background: var(--lime); }
.avatar-stack i:nth-child(4) { background: #eeb98b; }

.stats { display: grid; grid-template-columns: repeat(4, 1fr); border-block: 1px solid var(--line); }
.stat { padding: 44px 28px; text-align: center; border-right: 1px solid var(--line); }
.stat:last-child { border-right: 0; }
.stat strong { display: block; margin-bottom: 6px; font-family: var(--display); font-size: 45px; line-height: 1; font-weight: 500; }
.stat span { color: var(--muted); font-size: 12px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }

.problem-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 64px; align-items: start; }
.problem-quote { padding: 46px; position: sticky; top: 120px; border-radius: var(--radius-lg); background: var(--coral); color: #122b2b; }
.problem-quote blockquote { margin: 0; font-family: var(--display); font-size: clamp(2rem, 3.5vw, 3.5rem); line-height: 1.04; letter-spacing: -.035em; }
.problem-quote p { margin: 26px 0 0; font-weight: 800; }
.problems { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.problem { padding: 28px; display: grid; grid-template-columns: 52px 1fr; gap: 18px; background: var(--surface); }
.problem span { width: 52px; height: 52px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 50%; font-family: var(--display); font-size: 23px; }
.problem h3 { margin: 4px 0 5px; font-size: 17px; }
.problem p { margin: 0; color: var(--muted); font-size: 14px; }

.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.feature-card { min-height: 310px; padding: 31px; display: flex; flex-direction: column; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); transition: transform .2s, box-shadow .2s; }
.feature-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.feature-card__icon { width: 58px; height: 58px; display: grid; place-items: center; border-radius: 18px; background: var(--surface-2); color: var(--ink); }
.feature-card__icon svg { width: 28px; fill: none; stroke: currentColor; stroke-width: 1.7; }
.feature-card h3 { margin: 54px 0 10px; font-family: var(--display); font-size: 29px; font-weight: 500; }
.feature-card p { color: var(--muted); }
.feature-card .text-link { margin-top: auto; align-self: flex-start; }
.feature-card:nth-child(2) { background: var(--lime); color: #122b2b; }
.feature-card:nth-child(2) p { color: #405025; }
.feature-card:nth-child(3) { background: #122b2b; color: #fff; }
.feature-card:nth-child(3) p { color: #bdceca; }

.principles-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; counter-reset: principle; }
.principle { padding: 22px 24px; display: grid; grid-template-columns: 48px 1fr; gap: 16px; align-items: center; border: 1px solid rgba(255,255,255,.16); border-radius: 18px; background: rgba(255,255,255,.055); }
.principle::before { counter-increment: principle; content: counter(principle, decimal-leading-zero); color: var(--lime); font-family: var(--display); font-size: 25px; }
.principle p { margin: 0; color: #e5ece8; font-weight: 650; }

.cta-panel { padding: clamp(38px, 6vw, 76px); display: grid; grid-template-columns: 1.3fr .7fr; gap: 40px; align-items: end; border-radius: var(--radius-lg); background: var(--lime); color: #122b2b; overflow: hidden; position: relative; }
.cta-panel::after { content: ""; width: 300px; height: 300px; position: absolute; right: -130px; top: -140px; border: 50px solid rgba(18,43,43,.08); border-radius: 50%; }
.cta-panel h2 { margin: 0; font-family: var(--display); font-size: clamp(2.5rem, 5vw, 5.2rem); line-height: .96; letter-spacing: -.045em; font-weight: 500; }
.cta-panel__action { position: relative; z-index: 1; }
.cta-panel__action p { max-width: 400px; margin-bottom: 22px; }

.page-hero { padding: 92px 0 72px; position: relative; overflow: hidden; }
.page-hero::after { content: ""; width: 340px; height: 340px; position: absolute; right: -80px; top: -130px; border: 55px solid var(--surface-2); border-radius: 50%; z-index: -1; }
.page-hero__inner { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(240px, .7fr); gap: 50px; align-items: end; }
.page-hero h1 { max-width: 920px; margin-bottom: 0; font-family: var(--display); font-size: clamp(3.5rem, 7vw, 7rem); line-height: .9; letter-spacing: -.055em; font-weight: 500; }
.page-hero__aside { padding: 24px 0 0 28px; border-left: 1px solid var(--line); color: var(--muted); }
.page-hero__aside strong { display: block; margin-bottom: 8px; color: var(--ink); font-size: 12px; letter-spacing: .12em; text-transform: uppercase; }
.breadcrumb { display: flex; gap: 8px; align-items: center; margin-bottom: 32px; color: var(--muted); font-size: 13px; font-weight: 750; }
.breadcrumb span { opacity: .45; }

.benefit-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.benefit { min-height: 150px; padding: 25px; border-radius: 20px; background: var(--surface); border: 1px solid var(--line); }
.benefit i { display: block; margin-bottom: 28px; color: var(--coral); font-family: var(--display); font-size: 25px; font-style: normal; }
.benefit h3 { margin: 0; font-size: 16px; }

.authors { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.author-card { padding: 34px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--line); }
.author-card__portrait { width: 74px; height: 74px; margin-bottom: 24px; display: grid; place-items: center; border-radius: 50%; background: var(--surface-2); font-family: var(--display); font-size: 28px; }
.author-card h3 { margin-bottom: 2px; font-family: var(--display); font-size: 31px; font-weight: 500; }
.author-role { color: var(--coral); font-size: 12px; font-weight: 850; text-transform: uppercase; letter-spacing: .08em; }
.author-card blockquote { margin: 28px 0 0; color: var(--muted); font-family: var(--display); font-size: 21px; line-height: 1.45; }

.purpose-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.purpose-card { padding: 27px; border: 1px solid rgba(255,255,255,.15); border-radius: 22px; }
.purpose-card strong { display: block; margin-bottom: 24px; color: var(--lime); font-family: var(--display); font-size: 50px; font-weight: 500; line-height: 1; }
.purpose-card h3 { margin-bottom: 8px; }
.purpose-card p { margin: 0; color: #bfd0cb; font-size: 14px; }

.catalog-tools { margin-bottom: 36px; padding: 20px; display: grid; gap: 18px; border: 1px solid var(--line); border-radius: 22px; background: var(--surface); }
.search-wrap { position: relative; }
.search-wrap svg { width: 21px; position: absolute; left: 17px; top: 50%; transform: translateY(-50%); fill: none; stroke: var(--muted); stroke-width: 2; pointer-events: none; }
.search-wrap input { width: 100%; height: 56px; padding: 0 18px 0 50px; border: 1px solid var(--line); border-radius: 15px; outline: none; background: var(--paper); color: var(--ink); }
.search-wrap input:focus { border-color: var(--ink); box-shadow: 0 0 0 3px color-mix(in srgb, var(--lime) 50%, transparent); }
.filter-row { display: flex; gap: 8px; flex-wrap: wrap; }
.filter-chip { padding: 9px 14px; border: 1px solid var(--line); border-radius: 999px; background: transparent; cursor: pointer; color: var(--muted); font-size: 12px; font-weight: 800; }
.filter-chip:hover, .filter-chip.is-active { border-color: var(--ink); background: var(--ink); color: var(--paper); }
.catalog-meta { display: flex; justify-content: space-between; gap: 20px; align-items: center; margin-bottom: 18px; color: var(--muted); font-size: 13px; font-weight: 750; }
.structure-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.structure-card { min-height: 270px; padding: 25px; display: flex; flex-direction: column; border: 1px solid var(--line); border-radius: 22px; background: var(--surface); transition: transform .2s, border-color .2s, box-shadow .2s; }
.structure-card:hover { transform: translateY(-4px); border-color: var(--ink); box-shadow: var(--shadow); }
.structure-card__top { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.structure-number { color: var(--coral); font-family: var(--display); font-size: 25px; }
.tag { padding: 6px 10px; border-radius: 999px; background: var(--surface-2); color: var(--muted); font-size: 10px; font-weight: 850; letter-spacing: .06em; text-transform: uppercase; }
.structure-card h3 { margin: 33px 0 10px; font-family: var(--display); font-size: 25px; line-height: 1.05; font-weight: 500; }
.structure-card p { color: var(--muted); font-size: 14px; }
.duration { margin-top: auto; padding-top: 18px; display: flex; align-items: center; gap: 7px; border-top: 1px solid var(--line); color: var(--ink-soft); font-size: 12px; font-weight: 800; }
.duration svg { width: 17px; fill: none; stroke: currentColor; stroke-width: 1.8; }
.empty-state { padding: 70px 20px; text-align: center; border: 1px dashed var(--line); border-radius: var(--radius); color: var(--muted); }

.method-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; counter-reset: method; }
.method-card { min-height: 275px; padding: 27px; display: flex; flex-direction: column; border-radius: 22px; background: var(--surface); border: 1px solid var(--line); }
.method-card::before { counter-increment: method; content: counter(method, decimal-leading-zero); color: var(--coral); font-family: var(--display); font-size: 26px; }
.method-card h2 { margin: 30px 0 10px; font-family: var(--display); font-size: 27px; line-height: 1.05; font-weight: 500; }
.method-card p { color: var(--muted); font-size: 14px; }
.method-card .duration { margin-top: auto; }

.resource-tabs { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 35px; }
.resource-tabs a { padding: 10px 15px; border: 1px solid var(--line); border-radius: 999px; font-size: 12px; font-weight: 800; }
.resource-tabs a:hover { background: var(--ink); color: var(--paper); }
.resource-section { padding: 55px 0; display: grid; grid-template-columns: .75fr 1.25fr; gap: 70px; align-items: start; border-top: 1px solid var(--line); }
.resource-section:last-child { border-bottom: 1px solid var(--line); }
.resource-symbol { aspect-ratio: 1; max-width: 310px; display: grid; place-items: center; position: relative; border-radius: var(--radius-lg); background: var(--lime); color: #122b2b; font-family: var(--display); font-size: 88px; overflow: hidden; }
.resource-symbol::before, .resource-symbol::after { content: ""; position: absolute; border-radius: 50%; border: 2px solid currentColor; opacity: .18; }
.resource-symbol::before { width: 190px; height: 190px; }
.resource-symbol::after { width: 240px; height: 240px; }
.resource-section:nth-child(3n) .resource-symbol { background: var(--coral); }
.resource-section:nth-child(4n) .resource-symbol { background: var(--sky); }
.resource-copy h2 { margin: 0 0 17px; font-family: var(--display); font-size: clamp(2.3rem, 4vw, 4rem); line-height: 1; font-weight: 500; }
.resource-copy p { color: var(--muted); }
.resource-meta { display: flex; flex-wrap: wrap; gap: 8px; margin: 23px 0; }
.resource-meta span { padding: 7px 11px; border-radius: 999px; background: var(--surface-2); color: var(--ink-soft); font-size: 11px; font-weight: 800; }

.community-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; }
.community-card { min-height: 330px; padding: 31px; display: flex; flex-direction: column; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--line); }
.community-card__marker { width: 55px; height: 55px; display: grid; place-items: center; border-radius: 18px; background: var(--lime); color: #122b2b; font-weight: 900; }
.community-card h2 { margin: 48px 0 5px; font-family: var(--display); font-size: 30px; line-height: 1.1; font-weight: 500; }
.community-card small { color: var(--coral); font-size: 11px; font-weight: 850; text-transform: uppercase; letter-spacing: .08em; }
.community-card p { color: var(--muted); font-size: 14px; }
.community-card .text-link { margin-top: auto; align-self: flex-start; }
.event-block { padding: clamp(35px, 6vw, 70px); display: grid; grid-template-columns: 1fr 1fr; gap: 55px; border-radius: var(--radius-lg); background: #122b2b; color: #fff; }
.event-block h2 { margin-bottom: 12px; font-family: var(--display); font-size: clamp(2.7rem, 5vw, 5rem); line-height: .95; font-weight: 500; }
.event-block p { color: #bfcec9; }
.event-list { align-self: center; }
.event-item { padding: 22px 0; display: grid; grid-template-columns: 90px 1fr; gap: 18px; border-bottom: 1px solid rgba(255,255,255,.15); }
.event-item:first-child { border-top: 1px solid rgba(255,255,255,.15); }
.event-item strong { color: var(--lime); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; }
.event-item h3 { margin: 0 0 4px; }
.event-item p { margin: 0; font-size: 13px; }

.article-list { display: grid; gap: 18px; }
.article-card { border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); overflow: hidden; }
.article-card summary { padding: 28px 32px; display: grid; grid-template-columns: 130px 1fr auto; gap: 25px; align-items: center; cursor: pointer; list-style: none; }
.article-card summary::-webkit-details-marker { display: none; }
.article-index { color: var(--coral); font-family: var(--display); font-size: 45px; }
.article-card h2 { margin: 0; font-family: var(--display); font-size: clamp(1.8rem, 3vw, 3rem); line-height: 1.05; font-weight: 500; }
.article-card summary i { width: 45px; height: 45px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 50%; font-style: normal; font-size: 22px; transition: transform .2s; }
.article-card[open] summary i { transform: rotate(45deg); }
.article-body { max-width: 850px; margin: 0 auto; padding: 20px 32px 60px; color: var(--muted); }
.article-body h3 { margin: 35px 0 10px; color: var(--ink); font-family: var(--display); font-size: 27px; font-weight: 500; }
.article-body ul { padding-left: 22px; }
.comparison { width: 100%; margin: 30px 0; border-collapse: collapse; color: var(--ink); font-size: 14px; }
.comparison th, .comparison td { padding: 15px; border: 1px solid var(--line); text-align: left; vertical-align: top; }
.comparison th { background: var(--surface-2); }

.contact-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 70px; }
.contact-details { padding: 40px; border-radius: var(--radius-lg); background: #122b2b; color: #fff; }
.contact-details h2 { font-family: var(--display); font-size: 40px; line-height: 1; font-weight: 500; }
.contact-details p { color: #bdceca; }
.contact-email { margin: 36px 0; padding: 18px 0; border-block: 1px solid rgba(255,255,255,.16); }
.contact-email span { display: block; color: var(--lime); font-size: 11px; font-weight: 850; letter-spacing: .1em; text-transform: uppercase; }
.contact-email strong { display: block; margin-top: 5px; font-size: clamp(1rem, 2vw, 1.25rem); overflow-wrap: anywhere; }
.contact-form { display: grid; gap: 18px; }
.field { display: grid; gap: 7px; }
.field label { font-size: 12px; font-weight: 800; }
.field input, .field textarea { width: 100%; padding: 15px 16px; border: 1px solid var(--line); border-radius: 14px; outline: none; background: var(--surface); color: var(--ink); }
.field textarea { min-height: 160px; resize: vertical; }
.field input:focus, .field textarea:focus { border-color: var(--ink); box-shadow: 0 0 0 3px color-mix(in srgb, var(--lime) 50%, transparent); }
.form-message { padding: 13px 16px; border-radius: 12px; background: var(--surface-2); color: var(--ink-soft); font-size: 13px; }
.note { padding: 18px; border-left: 3px solid var(--coral); background: var(--surface); color: var(--muted); font-size: 13px; }

.site-footer { padding-top: 74px; background: #0c2321; color: #fff; }
.footer-main { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 65px; padding-bottom: 65px; }
.brand--light { color: #fff; }
.footer-brand p { max-width: 360px; margin-top: 22px; color: #aebfba; }
.footer-links { display: grid; align-content: start; gap: 10px; }
.footer-links h2 { margin-bottom: 10px; color: var(--lime); font-size: 11px; letter-spacing: .13em; text-transform: uppercase; }
.footer-links a { color: #c9d5d1; font-size: 14px; }
.footer-links a:hover { color: #fff; }
.copy-email { width: max-content; margin-top: 10px; padding: 8px 0; border: 0; border-bottom: 1px solid #607a73; background: transparent; color: #c9d5d1; cursor: pointer; font-size: 13px; }
.footer-bottom { padding: 20px 0; display: flex; justify-content: space-between; gap: 20px; border-top: 1px solid rgba(255,255,255,.12); color: #829b94; font-size: 11px; }
.footer-bottom p { margin: 0; }

.reveal { opacity: 0; transform: translateY(16px); transition: opacity .5s ease var(--delay, 0ms), transform .5s ease var(--delay, 0ms); }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .reveal { opacity: 1; transform: none; transition: none; } * { animation-duration: .01ms!important; transition-duration: .01ms!important; } }

@media (max-width: 1080px) {
  .desktop-nav { display: none; }
  .menu-button { display: flex; }
  .site-header { justify-content: space-between; }
  .mobile-nav { max-height: calc(100vh - 86px); padding: 20px; display: none; position: fixed; inset: 86px 0 auto; overflow: auto; background: var(--paper); border-bottom: 1px solid var(--line); }
  .mobile-nav.is-open { display: grid; }
  .mobile-nav a { padding: 16px 4px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); font-family: var(--display); font-size: 27px; }
  .mobile-nav a[aria-current="page"] { color: var(--coral); }
  .hero { grid-template-columns: 1fr; }
  .hero__copy { padding-inline: max(20px, calc((100vw - 850px)/2)); }
  .hero__visual { min-height: 580px; }
  .hero-badge { left: auto; right: 28px; }
  .purpose-grid { grid-template-columns: repeat(2, 1fr); }
  .structure-grid, .method-list { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 760px) {
  :root { --shell: min(100% - 30px, 1180px); }
  .section { padding: 76px 0; }
  .section--tight { padding: 56px 0; }
  .display { font-size: clamp(3rem, 16vw, 5rem); }
  .section-intro, .page-hero__inner { display: block; }
  .page-hero__aside { margin-top: 30px; padding-left: 0; border-left: 0; }
  .hero { min-height: auto; }
  .hero__copy { padding: 68px 22px; }
  .hero__visual { min-height: 450px; }
  .hero-badge { width: 132px; height: 132px; right: 18px; bottom: 18px; }
  .hero-badge strong { font-size: 39px; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(2) { border-right: 0; }
  .stat:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .problem-grid, .resource-section, .event-block, .contact-grid { grid-template-columns: 1fr; gap: 35px; }
  .problem-quote { position: static; }
  .feature-grid, .benefit-grid, .community-grid { grid-template-columns: 1fr; }
  .principles-grid, .authors { grid-template-columns: 1fr; }
  .cta-panel { grid-template-columns: 1fr; }
  .resource-symbol { max-width: none; width: 100%; aspect-ratio: 1.5; }
  .article-card summary { grid-template-columns: 55px 1fr auto; gap: 13px; padding: 22px 18px; }
  .article-index { font-size: 30px; }
  .article-card h2 { font-size: 23px; }
  .article-body { padding: 10px 20px 40px; }
  .comparison { display: block; overflow-x: auto; }
  .footer-main { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1/-1; }
  .footer-bottom { display: block; }
  .footer-bottom p + p { margin-top: 5px; }
}

@media (max-width: 520px) {
  .brand span { display: none; }
  .brand img { width: 48px; height: 48px; }
  .site-header { min-height: 76px; }
  .mobile-nav { inset-block-start: 76px; }
  .icon-button { width: 40px; height: 40px; }
  .menu-button { height: 40px; }
  .hero__visual { min-height: 360px; }
  .hero-note { align-items: flex-start; }
  .stats { grid-template-columns: 1fr; }
  .stat { border-right: 0; border-bottom: 1px solid var(--line); }
  .stat:last-child { border-bottom: 0; }
  .purpose-grid, .structure-grid, .method-list, .footer-main { grid-template-columns: 1fr; }
  .footer-brand { grid-column: auto; }
  .problem-quote, .contact-details { padding: 30px 24px; }
  .problem { grid-template-columns: 1fr; }
  .filter-row { flex-wrap: nowrap; overflow-x: auto; padding-bottom: 5px; }
  .filter-chip { flex: 0 0 auto; }
  .article-card summary { grid-template-columns: 1fr auto; }
  .article-index { display: none; }
}