:root {
  --tre: #4f8a3a;          /* xanh tre chủ đạo */
  --tre-dam: #2f5d24;
  --tre-sam: #1f3d18;
  --tre-nhat: #e9f3e2;
  --tre-mo: #f5faf1;
  --nau-khoi: #6b4a2b;     /* màu tre hun khói */
  --vang-moc: #c9a45c;
  --chu: #1f2a1c;
  --chu-phu: #5b6757;
  --vien: #dbe7d3;
  --trang: #ffffff;
  --bong: 0 10px 30px rgba(31, 61, 24, .10);
  --r: 14px;
  --serif: "Playfair Display", Georgia, serif;
  --sans: "Be Vietnam Pro", system-ui, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
:root { color-scheme: light; }
body { font-family: var(--sans); color: var(--chu); background: var(--trang); line-height: 1.65; overflow-x: hidden; }
img { max-width: 100%; display: block; }
[hidden] { display: none !important; }
a { color: inherit; text-decoration: none; }
.wrap { width: min(1180px, 100% - 32px); margin-inline: auto; }

/* ---------- Header ---------- */
.header { position: fixed; inset: 0 0 auto; z-index: 50; padding-top: env(safe-area-inset-top, 0px); transition: background .3s, box-shadow .3s; }
.header .wrap { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.header.solid { background: rgba(255,255,255,.96); box-shadow: 0 2px 16px rgba(0,0,0,.06); backdrop-filter: blur(8px); }
.logo { display: flex; align-items: center; gap: 10px; color: #fff; }
.logo svg { width: 38px; height: 38px; }
.logo small { display: block; font-size: 10px; letter-spacing: .2em; text-transform: uppercase; opacity: .85; }
.logo strong { font-family: var(--serif); font-size: 21px; line-height: 1; }
.header.solid .logo { color: var(--tre-dam); }
.nav { display: flex; gap: 26px; }
.nav a { color: #fff; font-size: 13px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; position: relative; padding: 6px 0; }
.nav a::after { content: ""; position: absolute; left: 0; bottom: 0; width: 0; height: 2px; background: var(--vang-moc); transition: width .25s; }
.nav a:hover::after { width: 100%; }
.header.solid .nav a { color: var(--chu); }
.menu-btn { display: none; background: none; border: 0; color: #fff; cursor: pointer; }
.header.solid .menu-btn { color: var(--chu); }

/* ---------- Hero ---------- */
.hero { position: relative; height: 82vh; min-height: 520px; max-height: 820px; display: grid; place-items: center; text-align: center; color: #fff; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; background: url(img/hero.jpg) center/cover; transform: scale(1.08); animation: zoom 18s ease-out forwards; }
.hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(20,40,15,.55), rgba(20,40,15,.25) 45%, rgba(20,40,15,.7)); }
@keyframes zoom { to { transform: scale(1); } }
.hero-content { position: relative; z-index: 2; padding: 0 16px; }
.eyebrow { font-size: 12px; letter-spacing: .35em; text-transform: uppercase; font-weight: 600; }
.hero h1 { font-family: var(--serif); font-size: clamp(48px, 10vw, 112px); line-height: 1.05; margin: 14px 0 10px; font-weight: 700; }
.hero .tagline { font-family: var(--serif); font-style: italic; font-size: clamp(18px, 2.6vw, 28px); color: #e6f2d9; }
.scroll-down { position: absolute; z-index: 2; bottom: 34px; left: 50%; transform: translateX(-50%); color: #fff; font-size: 11px; letter-spacing: .3em; text-transform: uppercase; display: flex; flex-direction: column; align-items: center; gap: 10px; }
.scroll-down span { width: 1px; height: 46px; background: rgba(255,255,255,.7); animation: drip 2s infinite; transform-origin: top; }
@keyframes drip { 0% { transform: scaleY(0); } 50% { transform: scaleY(1); } 100% { transform: scaleY(1); opacity: 0; } }

/* ---------- Sections chung ---------- */
html, body { overflow-x: clip; }
section { padding: 96px 0; position: relative; overflow-x: clip; }
.sec-head { text-align: center; max-width: 720px; margin: 0 auto 52px; }
.kicker { color: var(--tre); font-size: 12px; font-weight: 700; letter-spacing: .3em; text-transform: uppercase; }
.sec-head h2, .intro h2 { font-family: var(--serif); font-size: clamp(30px, 4.4vw, 46px); line-height: 1.2; color: var(--tre-sam); margin: 10px 0 14px; }
.sec-head p { color: var(--chu-phu); }
.bg-mo { background: var(--tre-mo); }
.deco { position: absolute; pointer-events: none; opacity: .14; z-index: 0; }
section > .wrap { position: relative; z-index: 1; }

/* ---------- Intro ---------- */
.intro .wrap { display: grid; grid-template-columns: 1.05fr 1fr; gap: 64px; align-items: center; }
.intro p { color: var(--chu-phu); margin-bottom: 14px; }
.intro-img { position: relative; }
.intro-img img { border-radius: var(--r); box-shadow: var(--bong); aspect-ratio: 4/3; object-fit: cover; width: 100%; }
.intro-img img.small { position: absolute; width: 46%; aspect-ratio: 3/4; right: -24px; bottom: -40px; border: 6px solid #fff; }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 30px; }
.stat { border-left: 3px solid var(--tre); padding-left: 14px; }
.stat b { display: block; font-family: var(--serif); font-size: 30px; color: var(--tre-dam); line-height: 1.1; }
.stat span { font-size: 13px; color: var(--chu-phu); }

/* ---------- Nổi bật (01 02 03) ---------- */
.feature { display: grid; grid-template-columns: 1fr 1fr; gap: 0; margin-bottom: 40px; background: #fff; border-radius: var(--r); overflow: hidden; box-shadow: var(--bong); }
.feature:nth-child(even) .f-img { order: 2; }
.f-img { min-height: 380px; background-size: cover; background-position: center; transition: transform .6s; }
.feature:hover .f-img { transform: scale(1.03); }
.f-body { padding: 48px; display: flex; flex-direction: column; justify-content: center; }
.f-num { font-family: var(--serif); font-size: 64px; color: var(--tre-nhat); line-height: 1; font-weight: 700; -webkit-text-stroke: 1px var(--tre); }
.f-body h3 { font-family: var(--serif); font-size: 30px; color: var(--tre-sam); margin: 8px 0 4px; }
.f-body .sub { font-style: italic; color: var(--nau-khoi); margin-bottom: 14px; }
.f-body p { color: var(--chu-phu); }
.link-more { margin-top: 20px; align-self: flex-start; color: var(--tre-dam); font-weight: 600; border-bottom: 2px solid var(--vang-moc); padding-bottom: 2px; cursor: pointer; background: none; border-top: 0; border-left: 0; border-right: 0; font: inherit; font-weight: 600; }
.link-more:hover { color: var(--tre); }

/* ---------- Sản vật (cards) ---------- */
.filters { display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; margin-bottom: 34px; }
.chip { border: 1.5px solid var(--vien); background: #fff; padding: 8px 18px; border-radius: 99px; font: 600 14px var(--sans); color: var(--chu-phu); cursor: pointer; transition: .2s; }
.chip.on, .chip:hover { background: var(--tre); border-color: var(--tre); color: #fff; }
.grid-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 24px; }
.card { background: #fff; border-radius: var(--r); overflow: hidden; box-shadow: var(--bong); display: flex; flex-direction: column; transition: transform .25s, box-shadow .25s; }
.card:hover { transform: translateY(-6px); box-shadow: 0 18px 40px rgba(31,61,24,.16); }
.card-img { aspect-ratio: 4/3; overflow: hidden; position: relative; }
.card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.card:hover .card-img img { transform: scale(1.07); }
.tag { position: absolute; top: 12px; left: 12px; background: rgba(255,255,255,.94); color: var(--tre-dam); font-size: 11px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; padding: 4px 10px; border-radius: 99px; }
.card-body { padding: 20px; flex: 1; display: flex; flex-direction: column; }
.card-body h3 { font-size: 18px; color: var(--tre-sam); margin-bottom: 4px; }
.card-body .meta { font-size: 13px; color: var(--nau-khoi); margin-bottom: 8px; }
.card-body p { font-size: 14px; color: var(--chu-phu); flex: 1; }
.card-actions { display: flex; gap: 10px; margin-top: 16px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; padding: 10px 18px; border-radius: 10px; font: 600 14px var(--sans); cursor: pointer; border: 0; transition: .2s; }
.btn-tre { background: var(--tre); color: #fff; }
.btn-tre:hover { background: var(--tre-dam); }
.btn-line { background: var(--tre-nhat); color: var(--tre-dam); }
.btn-line:hover { background: #d7e9cb; }
.center { text-align: center; margin-top: 36px; }

/* ---------- Quy trình ---------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; counter-reset: s; }
.step { position: relative; border-radius: var(--r); overflow: hidden; min-height: 300px; color: #fff; display: flex; align-items: flex-end; box-shadow: var(--bong); }
.step img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .6s; }
.step:hover img { transform: scale(1.08); }
.step::before { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 30%, rgba(18,36,12,.88)); z-index: 1; }
.step-body { position: relative; z-index: 2; padding: 22px; }
.step-body small { font-size: 11px; letter-spacing: .25em; text-transform: uppercase; color: #cfe6bd; font-weight: 700; }
.step-body h3 { font-family: var(--serif); font-size: 24px; margin: 4px 0 6px; }
.step-body p { font-size: 14px; color: #e8f1e2; }

/* ---------- Trích dẫn ---------- */
.quote { background: linear-gradient(rgba(25,50,18,.78), rgba(25,50,18,.78)), url(img/tre-dung.jpg) center/cover fixed; color: #fff; text-align: center; padding: 120px 0; }
.quote .mark { font-family: var(--serif); font-size: 90px; line-height: .5; color: var(--vang-moc); }
.quote blockquote { font-family: var(--serif); font-style: italic; font-size: clamp(22px, 3.2vw, 36px); max-width: 900px; margin: 18px auto; line-height: 1.45; }
.quote cite { font-style: normal; font-size: 12px; letter-spacing: .3em; text-transform: uppercase; color: #cfe6bd; }

/* ---------- Lịch sử ---------- */
.timeline { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; position: relative; }
.timeline::before { content: ""; position: absolute; top: 22px; left: 6%; right: 6%; height: 2px; background: repeating-linear-gradient(90deg, var(--tre) 0 18px, transparent 18px 24px); }
.tl { text-align: center; padding: 0 14px; }
.tl .dot { width: 46px; height: 46px; border-radius: 50%; background: #fff; border: 3px solid var(--tre); margin: 0 auto 18px; display: grid; place-items: center; position: relative; font-family: var(--serif); font-weight: 700; color: var(--tre-dam); }
.tl h4 { font-family: var(--serif); color: var(--tre-sam); font-size: 20px; }
.tl .when { font-size: 13px; color: var(--nau-khoi); font-weight: 600; margin-bottom: 8px; }
.tl p { font-size: 14px; color: var(--chu-phu); }

/* ---------- Câu chuyện / hoạt động ---------- */
.stories { display: grid; grid-template-columns: 1.4fr 1fr; gap: 24px; }
.story-main, .story { background: #fff; border-radius: var(--r); overflow: hidden; box-shadow: var(--bong); cursor: pointer; }
.story-main img { aspect-ratio: 16/10; object-fit: cover; width: 100%; }
.story-main .s-body { padding: 26px; }
.s-meta { font-size: 13px; color: var(--tre); font-weight: 600; }
.story-main h3 { font-family: var(--serif); font-size: 26px; color: var(--tre-sam); margin: 6px 0 10px; }
.story-main p, .story p { color: var(--chu-phu); font-size: 14px; }
.story-list { display: grid; gap: 24px; }
.story { display: grid; grid-template-columns: 40% 1fr; }
.story img { height: 100%; object-fit: cover; min-height: 150px; }
.story .s-body { padding: 18px; }
.story h3 { font-size: 17px; color: var(--tre-sam); margin: 4px 0 6px; line-height: 1.35; }
.story-main:hover h3, .story:hover h3 { color: var(--tre); }

/* ---------- Đố vui ---------- */
.quiz { max-width: 760px; margin: 0 auto; background: #fff; border-radius: 20px; box-shadow: var(--bong); padding: 40px; border-top: 6px solid var(--tre); }
.quiz-top { display: flex; justify-content: space-between; font-size: 13px; color: var(--chu-phu); font-weight: 600; margin-bottom: 14px; }
.quiz h3 { font-family: var(--serif); font-size: 28px; color: var(--tre-sam); margin-bottom: 14px; }
.hints { list-style: none; display: grid; gap: 10px; margin-bottom: 22px; }
.hints li { background: var(--tre-mo); border-left: 3px solid var(--tre); padding: 10px 14px; border-radius: 0 8px 8px 0; font-size: 15px; animation: fadeIn .4s; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(6px); } }
.options { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.opt { padding: 14px; border: 1.5px solid var(--vien); border-radius: 10px; background: #fff; font: 500 15px var(--sans); cursor: pointer; text-align: left; transition: .2s; }
.opt:hover:not(:disabled) { border-color: var(--tre); background: var(--tre-mo); }
.opt.right { background: #dff0d3; border-color: var(--tre); color: var(--tre-sam); font-weight: 700; }
.opt.wrong { background: #fbe6e1; border-color: #d98b78; }
.quiz-foot { display: flex; justify-content: space-between; align-items: center; margin-top: 20px; gap: 12px; flex-wrap: wrap; }
.feedback { font-weight: 600; color: var(--tre-dam); }

/* ---------- Thư viện ---------- */
.gallery { columns: 4 240px; column-gap: 14px; }
.gallery figure { break-inside: avoid; margin-bottom: 14px; border-radius: 10px; overflow: hidden; cursor: zoom-in; position: relative; }
.gallery img { width: 100%; transition: transform .5s, filter .3s; }
.gallery figure:hover img { transform: scale(1.05); filter: brightness(.85); }
.gallery figcaption { position: absolute; left: 0; right: 0; bottom: 0; padding: 26px 12px 10px; font-size: 13px; color: #fff; background: linear-gradient(transparent, rgba(0,0,0,.65)); opacity: 0; transition: .3s; }
.gallery figure:hover figcaption { opacity: 1; }

/* ---------- Góc học sinh ---------- */
.chain { display: flex; justify-content: center; flex-wrap: wrap; gap: 10px; margin-bottom: 44px; }
.chain span { background: var(--tre); color: #fff; padding: 10px 20px; border-radius: 99px; font-weight: 600; position: relative; }
.chain span:nth-child(odd) { background: var(--tre-dam); }
.chain i { color: var(--tre); font-style: normal; font-weight: 700; align-self: center; }
.actions { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.action { background: #fff; border: 1px solid var(--vien); border-radius: var(--r); padding: 26px 22px; transition: .25s; }
.action:hover { border-color: var(--tre); transform: translateY(-4px); box-shadow: var(--bong); }
.action .ic { width: 50px; height: 50px; border-radius: 12px; background: var(--tre-nhat); display: grid; place-items: center; margin-bottom: 14px; color: var(--tre-dam); }
.action h4 { color: var(--tre-sam); margin-bottom: 6px; }
.action p { font-size: 14px; color: var(--chu-phu); }

/* ---------- Đường đến / liên hệ ---------- */
.visit .wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: stretch; }
.visit-card { background: #fff; border-radius: var(--r); padding: 34px; box-shadow: var(--bong); }
.visit-card h3 { font-family: var(--serif); font-size: 26px; color: var(--tre-sam); margin-bottom: 12px; }
.visit-card p { color: var(--chu-phu); margin-bottom: 12px; }
.visit-card ul { list-style: none; display: grid; gap: 10px; margin: 16px 0; }
.visit-card li { display: flex; gap: 10px; font-size: 15px; }
.visit-card li::before { content: ""; flex: 0 0 8px; height: 8px; margin-top: 9px; border-radius: 50%; background: var(--tre); }
.map { border-radius: var(--r); overflow: hidden; box-shadow: var(--bong); min-height: 360px; }
.map { position: relative; display: block; }
.map img { width: 100%; height: 100%; min-height: 360px; object-fit: cover; transition: transform .6s; }
.map:hover img { transform: scale(1.04); }
.map-pin { position: absolute; left: 16px; bottom: 16px; background: #fff; color: var(--tre-dam); font-weight: 600; font-size: 14px; padding: 10px 16px; border-radius: 99px; box-shadow: var(--bong); }

.cta { background: var(--tre-nhat); text-align: center; padding: 80px 0; }
.cta h2 { font-family: var(--serif); color: var(--tre-sam); font-size: clamp(28px, 4vw, 40px); margin: 8px 0 12px; }
.cta p { color: var(--chu-phu); max-width: 640px; margin: 0 auto 26px; }

/* ---------- Footer ---------- */
.footer { background: var(--tre-sam); color: #cfdcc8; padding: 64px 0 24px; }
.footer .cols { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 40px; }
.footer h4 { color: #fff; margin-bottom: 14px; font-size: 15px; }
.footer a { display: block; padding: 3px 0; font-size: 14px; }
.footer a:hover { color: #fff; }
.footer p { font-size: 14px; }
.footer .logo { color: #fff; margin-bottom: 14px; }
.copy { border-top: 1px solid rgba(255,255,255,.12); margin-top: 40px; padding-top: 20px; font-size: 13px; text-align: center; }

/* ---------- Modal & lightbox ---------- */
.modal { position: fixed; inset: 0; z-index: 100; background: rgba(10,20,8,.7); display: none; align-items: center; justify-content: center; padding: 16px; }
.modal.open { display: flex; animation: fadeIn .25s; }
.modal-box { background: #fff; border-radius: 18px; max-width: 760px; width: 100%; max-height: 90vh; overflow: auto; position: relative; }
.modal-box img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
.modal-box .m-body { padding: 30px; }
.modal-box h3 { font-family: var(--serif); font-size: 28px; color: var(--tre-sam); margin-bottom: 10px; }
.modal-box p { color: var(--chu-phu); margin-bottom: 12px; }
.modal-thumbs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-top: 10px; }
.modal-thumbs img { aspect-ratio: 1; border-radius: 8px; }
.close { position: absolute; top: 12px; right: 12px; width: 40px; height: 40px; border-radius: 50%; border: 0; background: rgba(255,255,255,.92); font-size: 22px; cursor: pointer; z-index: 2; }
.lightbox img { max-width: 92vw; max-height: 82vh; border-radius: 10px; }
.lightbox .cap { color: #fff; text-align: center; margin-top: 12px; }
.lb-nav { position: absolute; top: 50%; transform: translateY(-50%); width: 48px; height: 48px; border-radius: 50%; border: 0; background: rgba(255,255,255,.85); font-size: 22px; cursor: pointer; }
.lb-prev { left: 16px; } .lb-next { right: 16px; }

/* ---------- Thư mục & các mục ---------- */
.nav a.on { color: var(--vang-moc); }
.header.solid .nav a.on { color: var(--tre); }
.nav a.on::after { width: 100%; }
.dir { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.dir-item:first-child { grid-column: span 2; }
.nav a { white-space: nowrap; }
@media (max-width: 1180px) and (min-width: 981px) { .nav { gap: 18px; } .nav a { font-size: 12px; } }
@media (max-width: 980px) { .dir { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .dir { grid-template-columns: 1fr; } .dir-item:first-child { grid-column: auto; } .pager { grid-template-columns: 1fr; } }
.dir-item { position: relative; border-radius: var(--r); overflow: hidden; min-height: 240px; display: flex; align-items: flex-end; color: #fff; box-shadow: var(--bong); }
.dir-item img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .6s; }
.dir-item::before { content: ""; position: absolute; inset: 0; z-index: 1; background: linear-gradient(180deg, rgba(18,36,12,.05) 20%, rgba(18,36,12,.88)); }
.dir-item:hover img { transform: scale(1.08); }
.dir-item:focus-visible { outline: 3px solid var(--tre); outline-offset: 3px; }
.dir-body { position: relative; z-index: 2; padding: 20px; display: grid; gap: 4px; }
.dir-body b { font-family: var(--serif); font-size: 24px; }
.dir-body small { font-size: 13px; color: #e2eed9; line-height: 1.45; }
.dir-body em { font-style: normal; font-size: 13px; font-weight: 700; color: #cfe6bd; margin-top: 6px; }

.page-banner { position: relative; background-size: cover; background-position: center; color: #fff; padding: 150px 0 60px; }
.page-banner::before { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(20,40,15,.55), rgba(20,40,15,.78)); }
.page-banner .wrap { position: relative; }
.page-banner h1 { font-family: var(--serif); font-size: clamp(36px, 6vw, 60px); line-height: 1.1; margin: 8px 0; text-wrap: balance; }
.page-banner p { max-width: 640px; color: #e2eed9; }
.crumbs { font-size: 13px; letter-spacing: .06em; color: #cfe6bd; }
.crumbs a { text-decoration: underline; text-underline-offset: 3px; }

.pager { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; padding-block: 40px 70px; }
.pg { border: 1.5px solid var(--vien); border-radius: var(--r); padding: 18px 22px; display: grid; gap: 2px; transition: .2s; background: #fff; }
.pg:hover { border-color: var(--tre); background: var(--tre-mo); }
.pg small { color: var(--chu-phu); font-size: 13px; }
.pg b { font-family: var(--serif); font-size: 22px; color: var(--tre-sam); }
.pg.next { text-align: right; }
.footer .logo { pointer-events: none; }

/* ---------- Floating ---------- */
.to-top { position: fixed; right: calc(18px + env(safe-area-inset-right, 0px)); bottom: calc(18px + env(safe-area-inset-bottom, 0px)); z-index: 40; width: 46px; height: 46px; border-radius: 50%; background: var(--tre); color: #fff; border: 0; cursor: pointer; box-shadow: var(--bong); opacity: 0; pointer-events: none; transition: .3s; }
.to-top.show { opacity: 1; pointer-events: auto; }

.reveal { transition: transform .8s; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .nav { position: fixed; top: 72px; left: 0; right: 0; background: #fff; flex-direction: column; gap: 0; padding: 8px 16px 16px; box-shadow: 0 10px 20px rgba(0,0,0,.08); display: none; }
  .nav.open { display: flex; }
  .nav a { color: var(--chu) !important; padding: 12px 0; border-bottom: 1px solid var(--vien); }
  .menu-btn { display: block; }
  .intro .wrap, .visit .wrap, .stories { grid-template-columns: 1fr; }
  .intro-img img.small { right: 8px; }
  .feature { grid-template-columns: 1fr; }
  .feature:nth-child(even) .f-img { order: 0; }
  .f-img { min-height: 260px; }
  .steps { grid-template-columns: 1fr 1fr; }
  .timeline { grid-template-columns: 1fr 1fr; row-gap: 34px; }
  .timeline::before { display: none; }
  .actions { grid-template-columns: 1fr 1fr; }
  .footer .cols { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  section { padding: 68px 0; }
  .f-body { padding: 28px; }
  .steps, .actions, .timeline, .options { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr; }
  .story { grid-template-columns: 1fr; }
  .story img { aspect-ratio: 16/9; }
  .quiz { padding: 24px; }
  .quote { background-attachment: scroll; }
  .intro-img img.small { display: none; }
  .deco { display: none; }
}