:root {
  --ink: #15212d;
  --navy: #12263a;
  --deep: #0b1b2b;
  --blue: #1f5bd1;
  --blue-hover: #1749ad;
  --blue-light: #91b7ff;
  --paper: #f7f7f4;
  --mist: #e9eeee;
  --rule: #cbd5da;
  --muted: #526472;
  --white: #fff;
  --content: 1216px;
  --header: 88px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--paper); }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: Inter, "Segoe UI", Arial, sans-serif; font-size: 1rem; line-height: 1.65; -webkit-font-smoothing: antialiased; }
body.menu-open { overflow: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration-thickness: .08em; text-underline-offset: .18em; }
button { font: inherit; }
a:focus-visible, button:focus-visible { outline: 3px solid #79a6ff; outline-offset: 4px; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { text-wrap: balance; }
h1 { margin-bottom: 1.5rem; font-size: clamp(3.35rem, 6.4vw, 5.5rem); font-weight: 760; letter-spacing: -.068em; line-height: .98; }
h2 { margin-bottom: 1.5rem; font-size: clamp(2.35rem, 4.25vw, 3.8rem); font-weight: 730; letter-spacing: -.058em; line-height: 1.04; }
h3 { margin-bottom: .65rem; font-size: 1.2rem; letter-spacing: -.025em; line-height: 1.25; }
p { margin-bottom: 1rem; }
.shell { width: min(calc(100% - 4rem), var(--content)); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; z-index: 1000; top: .75rem; left: .75rem; padding: .75rem 1rem; color: var(--deep); background: var(--white); transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }
.site-header { position: relative; z-index: 20; min-height: var(--header); border-bottom: 1px solid #e2e7e9; background: rgba(247, 247, 244, .98); }
.header-inner { min-height: var(--header); display: flex; align-items: center; gap: 2rem; }
.brand { flex: 0 0 148px; height: 56px; display: flex; align-items: center; overflow: hidden; text-decoration: none; }
.brand img { width: 148px; height: 80px; object-fit: contain; }
.desktop-nav { display: flex; align-items: center; justify-content: flex-end; gap: clamp(1.1rem, 2.2vw, 2rem); margin-left: auto; }
.desktop-nav a { position: relative; color: #344453; font-size: .875rem; font-weight: 650; text-decoration: none; }
.desktop-nav a::after { content: ""; position: absolute; right: 0; bottom: -.55rem; left: 0; height: 2px; background: var(--blue); transform: scaleX(0); transform-origin: left; transition: transform .18s ease; }
.desktop-nav a:hover::after, .desktop-nav a[aria-current="page"]::after { transform: scaleX(1); }
.header-actions { display: flex; align-items: center; gap: .75rem; }
.button { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; gap: 1.2rem; padding: .8rem 1.2rem; border: 1px solid transparent; border-radius: 2px; font-size: .875rem; font-weight: 740; line-height: 1.2; text-decoration: none; cursor: pointer; transition: background .18s ease, border-color .18s ease, transform .18s ease; }
.button:hover { transform: translateY(-1px); }
.button-blue { color: white; background: var(--blue); }
.button-blue:hover { background: var(--blue-hover); }
.button-dark { color: white; background: var(--navy); }
.button-dark:hover { background: #071724; }
.button-white { color: var(--deep); background: white; }
.button-white:hover { background: #eef3f5; }
.button-outline { color: white; border-color: #708498; background: transparent; }
.button-outline:hover { border-color: white; }
.menu-button, .mobile-nav { display: none; }
.home-hero, .page-hero, .not-found { position: relative; overflow: hidden; color: white; background: var(--deep); }
.home-hero-grid { min-height: 570px; display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(400px, .95fr); align-items: center; gap: clamp(2.5rem, 6vw, 5rem); padding-block: 4.3rem; }
.hero-copy { position: relative; z-index: 1; }
.eyebrow, .kicker { display: flex; align-items: center; gap: .75rem; margin-bottom: 1.3rem; color: #285b9c; font-size: .73rem; font-weight: 800; letter-spacing: .15em; line-height: 1.4; text-transform: uppercase; }
.eyebrow::before, .kicker::before { width: 1.7rem; height: 2px; flex: none; background: currentColor; content: ""; }
.eyebrow.light, .kicker.light { color: var(--blue-light); }
.home-hero h1 { max-width: 820px; }
.home-hero h1 em { color: var(--blue-light); font-style: normal; }
.hero-lead, .page-lead { max-width: 650px; color: #ced9e3; font-size: 1.12rem; line-height: 1.7; }
.button-row { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 2rem; }
.hero-note { max-width: 650px; margin-top: 2.25rem; padding-top: 1.15rem; border-top: 1px solid #324a5f; color: #aebfcb; font-size: .84rem; }
.hero-scene { width: min(100%, 540px); position: relative; justify-self: end; margin: 0; overflow: hidden; border: 1px solid #425b70; background: #172d41; box-shadow: 1.1rem 1.1rem 0 #102438; aspect-ratio: 1.2; }
.hero-scene::before { position: absolute; z-index: 1; top: 1.1rem; bottom: 1.1rem; left: 1.1rem; width: 2px; background: var(--blue-light); content: ""; }
.hero-scene img { width: 100%; height: 100%; object-fit: cover; object-position: 51% center; filter: saturate(.76) contrast(1.03); }
.hero-scene figcaption { position: absolute; right: 1rem; bottom: 1rem; padding: .6rem .8rem; color: #263949; background: rgba(247, 247, 244, .94); font-size: .66rem; font-weight: 780; letter-spacing: .1em; text-transform: uppercase; }
.topic-strip { border-bottom: 1px solid #cbd5d9; background: #e6ebec; }
.topic-strip .shell { min-height: 58px; display: flex; align-items: center; gap: .8rem; flex-wrap: wrap; }
.topic-strip span { font-size: .68rem; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
.topic-strip span:not(:last-child)::after { margin-left: .8rem; color: var(--blue); content: "•"; }
.section { padding-block: clamp(5rem, 8vw, 7.5rem); }
.section-mist { background: var(--mist); }
.section-heading { display: grid; grid-template-columns: minmax(0, 1.8fr) minmax(260px, .7fr); align-items: end; gap: 4rem; margin-bottom: 3.5rem; }
.section-heading h2 { max-width: 820px; margin-bottom: 0; }
.section-heading > p { margin-bottom: .4rem; color: var(--muted); }
.editorial-grid { margin: 0; padding: 0; border-top: 1px solid #a8b7c1; counter-reset: items; list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); }
.editorial-grid li { min-height: 154px; position: relative; padding: 3.2rem 1.5rem 1.6rem 0; border-right: 1px solid var(--rule); border-bottom: 1px solid var(--rule); font-size: 1.16rem; font-weight: 680; line-height: 1.35; }
.editorial-grid li:nth-child(3n) { border-right: 0; padding-left: 1.5rem; }
.editorial-grid li:nth-child(3n + 2) { padding-left: 1.5rem; }
.editorial-grid li::before { position: absolute; top: 1.1rem; left: 0; color: #2f65aa; content: counter(items, decimal-leading-zero); counter-increment: items; font-size: .7rem; font-weight: 800; letter-spacing: .12em; }
.editorial-grid li:nth-child(3n + 2)::before, .editorial-grid li:nth-child(3n)::before { left: 1.5rem; }
.method-grid { margin: 0; padding: 1px; background: #c2ced3; list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; }
.method-grid li { min-height: 220px; padding: 1.75rem; background: #f9faf8; }
.method-grid span { display: block; margin-bottom: 2.1rem; color: #2b61ad; font-size: .7rem; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
.method-grid p { margin-bottom: 0; color: var(--muted); font-size: .9rem; }
.feature-dark, .cta-band { color: white; background: var(--navy); }
.split-media, .split-copy { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: clamp(3rem, 7vw, 6rem); padding-block: clamp(4.5rem, 7vw, 6.5rem); }
.split-copy { align-items: start; }
.split-media p, .split-copy p { color: #cad6df; }
.section .split-copy { padding-block: 0; }
.section .split-copy p { color: var(--muted); }
.photo-frame { position: relative; margin: 0; overflow: hidden; background: #d9e0e1; }
.photo-frame.wide { aspect-ratio: 4 / 3; }
.photo-frame.portrait { aspect-ratio: .88; }
.photo-frame img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(100%) contrast(1.03); }
.photo-frame.scenario-color img { filter: saturate(.76) contrast(1.03); }
.photo-frame.wide img { object-position: center; }
.photo-frame.portrait img { object-position: center 24%; }
.photo-frame.about-portrait img { object-position: center 34%; }
.photo-frame figcaption { position: absolute; left: 0; bottom: 0; padding: .65rem .9rem; color: #263949; background: rgba(247, 247, 244, .94); font-size: .68rem; font-weight: 750; letter-spacing: .11em; text-transform: uppercase; }
.audience-list { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid #a8b7c1; }
.audience-list article { display: grid; grid-template-columns: 3rem 1fr; grid-template-areas: "num title" "num copy"; gap: .15rem 1rem; padding: 1.8rem 1.6rem 1.8rem 0; border-bottom: 1px solid var(--rule); }
.audience-list article:nth-child(2n) { padding-left: 1.6rem; }
.audience-list span { grid-area: num; color: #2f65aa; font-size: .72rem; font-weight: 800; }
.audience-list h3 { grid-area: title; }
.audience-list p { grid-area: copy; margin: 0; color: var(--muted); font-size: .91rem; }
.portrait-split { grid-template-columns: minmax(300px, .78fr) minmax(0, 1.22fr); }
.profile-feature { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(340px, .65fr); align-items: start; gap: clamp(3rem, 8vw, 7rem); }
.profile-feature h2 { max-width: 720px; }
.profile-facts { margin: 0; border-top: 1px solid #a8b7c1; }
.profile-facts div { display: grid; grid-template-columns: 8rem 1fr; gap: 1.5rem; padding: 1.3rem 0; border-bottom: 1px solid var(--rule); }
.profile-facts dt { color: #486277; font-size: .74rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.profile-facts dd { margin: 0; font-weight: 700; line-height: 1.45; }
.profile-detail { display: grid; grid-template-columns: minmax(320px, .72fr) minmax(0, 1.28fr); align-items: start; gap: clamp(3.5rem, 8vw, 7rem); }
.profile-detail .photo-frame { position: sticky; top: 2rem; }
.profile-detail h2 { max-width: 780px; }
.profile-detail p { color: #415462; }
.large-copy { color: #304656 !important; font-size: 1.12rem; line-height: 1.8; }
.feature-dark .large-copy { color: #e1e8ed !important; }
.text-link { display: inline-block; margin-top: .65rem; color: #163f75; font-weight: 750; }
.price-panel { display: grid; grid-template-columns: 1fr 1fr; color: white; background: var(--navy); }
.price-panel > div { min-height: 370px; display: flex; flex-direction: column; justify-content: center; padding: clamp(2rem, 5vw, 4rem); }
.price-panel > div + div { border-left: 1px solid #41596d; }
.price-panel p { color: #c4d2dd; }
.price-panel h2 { font-size: clamp(2.25rem, 3.4vw, 3.4rem); }
.price { margin: .5rem 0 1.5rem; color: white !important; font-size: clamp(3.8rem, 6.5vw, 5.6rem); font-weight: 760; letter-spacing: -.07em; line-height: .9; }
.price small { display: inline-block; margin-left: .35rem; color: #bed0df; font-size: 1rem; font-weight: 520; letter-spacing: 0; }
.fine-print { margin-top: 1.5rem; padding-top: 1.2rem; border-top: 1px solid #41596d; color: #adc0ce !important; font-size: .79rem; }
.cta-band-inner { min-height: 370px; display: flex; align-items: center; justify-content: space-between; gap: 4rem; padding-block: 4.5rem; }
.cta-band h2 { max-width: 760px; }
.cta-band p { max-width: 720px; color: #c5d2dc; }
.page-hero-grid { min-height: 470px; display: flex; align-items: center; padding-block: 5rem; }
.page-hero-content { width: min(100%, 980px); padding-left: clamp(0rem, 4vw, 3.5rem); border-left: 1px solid #3b5367; }
.page-hero h1 { max-width: 950px; }
.context-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 40px; row-gap: 56px; align-items: stretch; }
.context-grid article { min-width: 0; height: 100%; display: flex; flex-direction: column; padding-bottom: 1.75rem; border-bottom: 1px solid var(--rule); }
.context-copy { min-height: 120px; }
.context-copy h3 { margin-bottom: .65rem; }
.context-grid .context-copy p { margin-bottom: 0; color: var(--muted); }
.context-scenario { width: 100%; aspect-ratio: 4 / 3; margin-top: 1.4rem; }
.context-scenario img { object-position: center; }
.context-scenario > figcaption { right: 0; height: 52px; box-sizing: border-box; display: flex; align-items: center; padding: .6rem 1rem; line-height: 1.35; }
.context-scenario-pair { display: grid; grid-template-columns: 1fr 1fr; }
.context-scenario-pair img { min-width: 0; }
.context-scenario-pair img:first-child { object-position: 58% center; }
.context-scenario-pair img:nth-child(2) { object-position: 48% center; }
.course-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid #a8b7c1; }
.course-list li { display: grid; grid-template-columns: 5rem 1fr; gap: 2rem; padding: 2rem 0; border-bottom: 1px solid var(--rule); }
.course-list span { color: #2f65aa; font-size: .73rem; font-weight: 800; letter-spacing: .12em; }
.course-list p { margin: 0; color: var(--muted); }
.three-columns { display: grid; grid-template-columns: 1.25fr 1fr 1fr; align-items: start; gap: 3rem; }
.three-columns article + article { padding-left: 2rem; border-left: 1px solid var(--rule); }
.three-columns article > p:last-child { color: var(--muted); }
.approach-list li { display: flex; flex-direction: column; gap: .7rem; }
.approach-list strong { font-size: 1.2rem; }
.approach-list span { color: var(--muted); font-size: .9rem; font-weight: 450; }
.check-list { margin: .5rem 0 0; padding: 0; list-style: none; }
.check-list li { padding: .65rem 0 .65rem 1.8rem; border-bottom: 1px solid #41596d; position: relative; }
.check-list li::before { position: absolute; left: 0; color: var(--blue-light); content: "—"; }
.format-list { border-top: 1px solid #a8b7c1; }
.format-list article { display: grid; grid-template-columns: 9rem 1fr; gap: 2rem; padding: 2rem 0; border-bottom: 1px solid var(--rule); }
.format-list span { font-size: 2.2rem; font-weight: 760; letter-spacing: -.05em; }
.format-list p { margin: 0; color: var(--muted); }
.contact-layout { display: grid; grid-template-columns: minmax(0, .85fr) minmax(440px, 1.15fr); align-items: start; gap: clamp(3rem, 7vw, 6rem); }
.contact-intro { max-width: 620px; }
.contact-callout { margin-top: 2.2rem; padding: 1.35rem 1.5rem; border-left: 3px solid var(--blue); background: #eaf0f2; }
.contact-callout h3 { margin-bottom: .4rem; }
.contact-callout p { margin: 0; color: var(--muted); }
.contact-card { padding: clamp(1.8rem, 4vw, 3rem); border: 1px solid #d8e0e4; background: white; box-shadow: 0 14px 40px rgba(11, 27, 43, .07); }
.contact-label { margin-bottom: .7rem; color: #486277; font-size: .72rem; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
.contact-email { display: inline-block; color: var(--ink); font-size: clamp(1.65rem, 3.6vw, 2.7rem); font-weight: 760; letter-spacing: -.045em; line-height: 1.15; overflow-wrap: anywhere; }
.contact-detail { margin: 1rem 0 1.8rem; color: var(--muted); }
.contact-actions { display: flex; align-items: stretch; gap: .8rem; flex-wrap: wrap; }
.button-secondary { border-color: #9fb0bb; color: var(--ink); background: transparent; }
.button-secondary:hover { border-color: var(--blue); background: #eef3f6; }
.copy-status { min-height: 1.5rem; margin: 1rem 0 0; color: var(--muted); font-size: .85rem; }
.copy-status.is-success { color: #255f4a; }
.copy-status.is-error { color: #8e1c1c; }
.legal-copy { max-width: 850px; }
.legal-copy h2 { margin-top: 3.2rem; margin-bottom: .85rem; font-size: clamp(1.8rem, 3vw, 2.6rem); }
.legal-copy p { color: var(--muted); }
.not-found .shell { min-height: 620px; display: flex; flex-direction: column; align-items: flex-start; justify-content: center; }
.not-found h1 { max-width: 800px; }
.not-found p { color: #ced9e3; }
.site-footer { padding-top: 4rem; color: #b7c5cf; background: #081a2a; }
.footer-grid { display: grid; grid-template-columns: 1.4fr .8fr 1fr; gap: 4rem; }
.site-footer p, .site-footer li, .site-footer a { font-size: .85rem; }
.site-footer a:hover { color: white; }
.footer-brand, .footer-title { margin-bottom: .75rem; color: white; font-weight: 760; }
.footer-brand { font-size: 1.05rem !important; letter-spacing: .055em; }
.brand-wordmark { color: white; font-weight: 800; }
.brand-wordmark .brand-two { color: var(--blue-light); }
.brand-wordmark sup { margin-left: .12em; font-size: .48em; vertical-align: super; }
.site-footer ul { margin: 0; padding: 0; list-style: none; }
.site-footer li { margin-bottom: .35rem; }
.footer-bottom { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 2rem; margin-top: 3rem; border-top: 1px solid #2d465b; color: #91a5b4; font-size: .75rem; }

@media (max-width: 980px) {
  .shell { width: min(calc(100% - 3rem), var(--content)); }
  .desktop-nav { gap: 1rem; }
  .desktop-nav a { font-size: .78rem; }
  .header-cta { padding-inline: .85rem; }
  .home-hero-grid { grid-template-columns: minmax(0, 1fr) minmax(360px, .9fr); gap: 2.5rem; }
  .hero-scene { width: min(100%, 500px); }
  .contact-layout { grid-template-columns: 1fr 1.25fr; gap: 2.5rem; }
}

@media (max-width: 780px) {
  :root { --header: 76px; }
  .shell { width: min(calc(100% - 2.5rem), var(--content)); }
  h1 { font-size: clamp(3.15rem, 12vw, 4.5rem); }
  h2 { font-size: clamp(2.25rem, 9vw, 3.3rem); }
  .brand { flex-basis: 126px; height: 50px; }
  .brand img { width: 126px; height: 70px; }
  .desktop-nav { display: none; }
  .header-actions { margin-left: auto; }
  .header-cta { min-height: 42px; font-size: .75rem; }
  .menu-button { width: 44px; height: 44px; display: inline-flex; flex-direction: column; align-items: center; justify-content: center; gap: 5px; border: 1px solid #aab8c1; border-radius: 2px; color: var(--ink); background: transparent; cursor: pointer; }
  .menu-button span:not(.sr-only) { width: 20px; height: 2px; display: block; background: currentColor; transition: transform .18s ease, opacity .18s ease; }
  .menu-button[aria-expanded="true"] span:nth-of-type(2) { transform: translateY(7px) rotate(45deg); }
  .menu-button[aria-expanded="true"] span:nth-of-type(3) { opacity: 0; }
  .menu-button[aria-expanded="true"] span:nth-of-type(4) { transform: translateY(-7px) rotate(-45deg); }
  .mobile-nav { position: absolute; top: 100%; right: 0; left: 0; display: grid; padding: .8rem 1.25rem 1.25rem; border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); background: var(--paper); box-shadow: 0 20px 35px rgba(11, 27, 43, .15); }
  .mobile-nav[hidden] { display: none; }
  .mobile-nav a { min-height: 50px; display: flex; align-items: center; border-bottom: 1px solid #d9e0e3; font-weight: 680; text-decoration: none; }
  .mobile-nav a[aria-current="page"] { color: var(--blue); }
  .mobile-nav .mobile-offer { justify-content: space-between; margin-top: .8rem; padding-inline: 1rem; border: 0; color: white; background: var(--blue); }
  .home-hero-grid { min-height: 0; grid-template-columns: 1fr; gap: 3rem; padding-block: 4.5rem; }
  .page-hero-grid { min-height: 0; padding-block: 4.5rem; }
  .page-hero-content { padding-left: 1.25rem; }
  .hero-scene { width: min(100%, 620px); justify-self: start; aspect-ratio: 16 / 10; }
  .hero-lead, .page-lead { font-size: 1rem; }
  .topic-strip .shell { min-height: 0; padding-block: .8rem; gap: .2rem .55rem; }
  .topic-strip span { font-size: .6rem; }
  .topic-strip span:not(:last-child)::after { margin-left: .55rem; }
  .section { padding-block: 4.7rem; }
  .section-heading { display: block; margin-bottom: 2.3rem; }
  .section-heading > p { margin-top: 1.5rem; }
  .editorial-grid { grid-template-columns: 1fr 1fr; }
  .editorial-grid li, .editorial-grid li:nth-child(3n), .editorial-grid li:nth-child(3n + 2) { min-height: 138px; padding: 2.8rem .8rem 1.2rem 0; border-right: 1px solid var(--rule); font-size: .98rem; }
  .editorial-grid li:nth-child(2n) { padding-left: 1rem; border-right: 0; }
  .editorial-grid li:nth-child(3n + 2)::before, .editorial-grid li:nth-child(3n)::before { left: 0; }
  .editorial-grid li:nth-child(2n)::before { left: 1rem; }
  .method-grid { grid-template-columns: 1fr 1fr; }
  .method-grid li { min-height: 205px; padding: 1.3rem; }
  .method-grid span { margin-bottom: 1.5rem; }
  .split-media, .split-copy { grid-template-columns: 1fr; gap: 2.4rem; padding-block: 4.5rem; }
  .feature-dark .split-media { display: flex; flex-direction: column-reverse; }
  .feature-dark .split-media > div:first-child { order: 1; }
  .feature-dark .split-media > figure:last-child { order: 2; }
  .portrait-split { display: flex; flex-direction: column; }
  .portrait-split .photo-frame { width: 100%; aspect-ratio: 1.18; }
  .profile-feature, .profile-detail { grid-template-columns: 1fr; gap: 2.7rem; }
  .profile-detail .photo-frame { position: relative; top: auto; width: min(100%, 520px); aspect-ratio: 1.05; }
  .profile-detail .about-portrait { aspect-ratio: .94; }
  .profile-facts div { grid-template-columns: 7rem 1fr; gap: 1rem; }
  .audience-list { grid-template-columns: 1fr; }
  .audience-list article:nth-child(2n) { padding-left: 0; }
  .price-panel { grid-template-columns: 1fr; }
  .price-panel > div { min-height: 0; padding: 2rem; }
  .price-panel > div + div { border-top: 1px solid #41596d; border-left: 0; }
  .price { font-size: clamp(3.4rem, 16vw, 5rem); }
  .price small { display: block; margin: .75rem 0 0; }
  .cta-band-inner { min-height: 0; display: block; }
  .cta-band .button { margin-top: 1.25rem; }
  .context-grid { grid-template-columns: 1fr; column-gap: 0; row-gap: 40px; }
  .context-copy { min-height: 112px; }
  .three-columns { grid-template-columns: 1fr; gap: 2rem; }
  .three-columns article + article { padding: 2rem 0 0; border-top: 1px solid var(--rule); border-left: 0; }
  .contact-layout { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .footer-grid > div:first-child { grid-column: 1 / -1; }
}

@media (max-width: 420px) {
  .shell { width: min(calc(100% - 1.75rem), var(--content)); }
  .header-inner { gap: .45rem; }
  .brand { flex-basis: 104px; }
  .brand img { width: 104px; }
  .header-actions { gap: .4rem; }
  .header-cta { min-height: 40px; padding-inline: .65rem; font-size: .7rem; }
  .menu-button { width: 40px; height: 40px; }
  h1 { font-size: clamp(2.85rem, 15vw, 3.7rem); }
  .button-row .button { width: 100%; }
  .home-hero-grid, .page-hero-grid { padding-block: 3.8rem; }
  .hero-scene { box-shadow: .65rem .65rem 0 #102438; }
  .editorial-grid li, .editorial-grid li:nth-child(3n), .editorial-grid li:nth-child(3n + 2) { min-height: 145px; font-size: .9rem; }
  .method-grid { grid-template-columns: 1fr; }
  .method-grid li { min-height: 0; }
  .course-list li { grid-template-columns: 2.5rem 1fr; gap: .75rem; }
  .format-list article { grid-template-columns: 1fr; gap: .4rem; }
  .contact-actions .button { width: 100%; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-grid > div:first-child { grid-column: auto; }
  .footer-bottom { align-items: flex-start; flex-direction: column; justify-content: center; gap: .25rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}