/* Aslan Sourcing. Palette built around the blue "A" mark (#72B0F0). Sections alternate dark / light. */
:root {
  --blue: #2F6FC4;
  --blue-dark: #235699;
  --blue-light: #72B0F0;
  --blue-tint: #E9F2FC;
  --navy: #14283C;
  --ink: #0D1A27;
  --paper: #F6F8FB;
  --paper-2: #EEF2F7;
  --text: #182432;
  --muted: #5A6774;
  --line: #DCE3EC;
  --white: #FFFFFF;
  --red: #C0392B;
  --red-tint: #FCECEA;
  --max: 1120px;
  --radius: 8px;
  --font: "Space Grotesk", "Helvetica Neue", Arial, "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --serif: "Noto Serif SC", Georgia, "Times New Roman", serif;
}

* { box-sizing: border-box; }
html.loading body { visibility: hidden; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: var(--font); font-weight: 400; color: var(--text); background: var(--paper); line-height: 1.55; font-size: 16px; -webkit-font-smoothing: antialiased; }
html[lang="zh"] body { font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Space Grotesk", sans-serif; }
html[lang="zh"] h1, html[lang="zh"] h2, html[lang="zh"] h3 { font-family: var(--serif); }

img, video { max-width: 100%; display: block; }
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 { font-weight: 500; line-height: 1.2; margin: 0 0 .5em; letter-spacing: -0.01em; }
h1 { font-size: clamp(30px, 4.6vw, 52px); }
h2 { font-size: clamp(26px, 3vw, 36px); }
.section-head h2, .licence h2 { padding-bottom: 14px; margin-bottom: 14px; position: relative; }
.section-head h2::after, .licence h2::after { content: ""; position: absolute; left: 0; bottom: 0; width: 56px; height: 4px; border-radius: 2px; background: var(--blue-light); }
h3 { font-size: 18px; }
p { margin: 0 0 1em; }
.muted { color: var(--muted); }
.wrap { max-width: var(--max); margin: 0 auto; padding-inline: 20px; }
section { padding-block: 72px; scroll-margin-top: 66px; }
.section-head { max-width: 760px; margin-bottom: 36px; }
.section-head p { font-size: 17px; color: var(--muted); }
.section-head p.lead { font-size: 20px; color: var(--text); }
.section-head p.quote { font-size: clamp(22px, 2.6vw, 30px); line-height: 1.25; color: var(--navy); font-weight: 500; margin: 0 0 14px; }
.section-head p.quote::before { content: "\201C"; color: var(--blue-light); }
.section-head p.quote::after { content: "\201D"; color: var(--blue-light); }
.eyebrow { display: inline-block; font-size: 12px; letter-spacing: .12em; text-transform: uppercase; color: var(--blue); font-weight: 500; margin-bottom: 14px; }

/* Dark sections */
.dark { background: var(--navy); color: rgba(255,255,255,.88); }
.dark h2, .dark h3 { color: var(--white); }
.dark .section-head p { color: rgba(255,255,255,.72); }
.dark .section-head p.lead { color: var(--white); }
.dark .card, .dark .step { background: rgba(255,255,255,.05); border-color: rgba(255,255,255,.16); }
.dark .card p, .dark .step p { color: rgba(255,255,255,.76); }
.dark .step .n { background: var(--blue-light); color: var(--navy); }

/* Buttons */
.btn { display: inline-block; padding: 13px 22px; border-radius: var(--radius); font-weight: 500; font-size: 15px; border: 1px solid transparent; cursor: pointer; text-decoration: none !important; transition: background .15s, color .15s, border-color .15s; }
.btn-lg { padding: 15px 26px; font-size: 16px; text-transform: uppercase; letter-spacing: .06em; }
.btn-primary { background: var(--blue); color: var(--white); }
.btn-primary:hover { background: var(--blue-dark); }
.btn-ghost { background: transparent; color: var(--navy); border-color: var(--navy); }
.btn-ghost:hover { background: var(--navy); color: var(--white); }

/* Header */
.header { position: sticky; top: 0; z-index: 50; background: rgba(246,248,251,.94); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; height: 68px; }
.brand { display: flex; flex: none; align-items: center; gap: 10px; color: var(--navy); font-weight: 500; text-decoration: none !important; }
.brand img { height: 34px; width: 34px; border-radius: 8px; }
.brand-name { font-size: 18px; letter-spacing: .01em; display: inline-flex; gap: .3em; align-items: baseline; }
.brand-name .flip { display: inline-block; color: var(--blue); perspective: 400px; min-width: 4.8em; }
.brand-name .flip span { display: inline-block; transform-origin: 50% 100%; }
.brand-name .flip.turn span { animation: flipword .6s ease; }
@keyframes flipword { 0% { transform: rotateX(0); opacity: 1; } 45% { transform: rotateX(90deg); opacity: 0; } 55% { transform: rotateX(-90deg); opacity: 0; } 100% { transform: rotateX(0); opacity: 1; } }
.nav { display: flex; gap: 26px; align-items: center; position: relative; height: 68px; }
.nav a { color: var(--navy); font-size: 12.5px; font-weight: 500; letter-spacing: .1em; text-transform: uppercase; white-space: nowrap; padding: 6px 2px; position: relative; z-index: 1; }
.nav a:hover { color: var(--blue); text-decoration: none; }
.nav a.active { color: var(--blue); }
.nav-ind { position: absolute; bottom: 14px; height: 3px; border-radius: 3px; background: var(--blue); left: 0; width: 0; opacity: 0; transition: opacity .2s; pointer-events: none; }
.nav-ind.on { opacity: 1; }
.header-right { display: flex; align-items: center; gap: 12px; }
.menu-btn { display: none; background: none; border: 1px solid var(--line); border-radius: var(--radius); padding: 8px 10px; line-height: 0; cursor: pointer; color: var(--navy); }
.menu-btn svg { width: 18px; height: 18px; }
.header-cta { white-space: nowrap; }

/* Language dropdown with flags */
.lang { position: relative; }
.lang-btn { display: flex; align-items: center; gap: 8px; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 8px 10px; font-family: inherit; font-size: 13px; color: var(--navy); cursor: pointer; }
.lang-btn .caret { width: 10px; height: 10px; color: var(--muted); display: inline-block; }
.lang-btn .caret svg { width: 100%; height: 100%; display: block; }
.flag { width: 20px; height: 14px; border-radius: 2px; overflow: hidden; box-shadow: 0 0 0 1px rgba(0,0,0,.08) inset; flex: none; display: inline-block; vertical-align: middle; }
.flag svg { width: 100%; height: 100%; display: block; }
.lang-menu { position: absolute; right: 0; top: calc(100% + 6px); background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: 0 10px 30px rgba(13,26,39,.12); min-width: 170px; padding: 6px; display: none; z-index: 60; }
.lang-menu.open { display: block; }
.lang-menu button { display: flex; align-items: center; gap: 10px; width: 100%; background: none; border: 0; padding: 8px 10px; font-family: inherit; font-size: 14px; color: var(--text); cursor: pointer; border-radius: 6px; text-align: left; }
.lang-menu button:hover, .lang-menu button.active { background: var(--blue-tint); }

/* Hero */
.hero { position: relative; color: var(--paper); background: var(--ink); padding-block: 0; overflow: hidden; min-height: min(calc(100vh - 68px), 1000px); }
.hero-media { position: absolute; inset: 0; }
.hero-media video { width: 100%; height: 100%; object-fit: cover; opacity: .62; }
.hero-media::after { content: ""; position: absolute; inset: 0; z-index: 1; background: radial-gradient(ellipse at 50% 45%, rgba(13,26,39,.82) 0%, rgba(13,26,39,.66) 45%, rgba(13,26,39,.42) 100%); }
.hero-grid { position: relative; z-index: 2; padding: 40px 20px 84px; display: grid; grid-template-columns: minmax(0, 1fr); gap: 28px; max-width: none; min-height: min(calc(100vh - 68px), 1000px); align-content: center; justify-items: center; text-align: center; }
.hero-text { max-width: 980px; }
.hero h1, .hero p.lead { text-wrap: balance; }
.hero h1 { color: var(--white); font-weight: 500; text-shadow: 0 2px 20px rgba(0,0,0,.25); }
.hero p.lead { font-size: 21px; max-width: 760px; margin-inline: auto; color: rgba(255,255,255,.94); line-height: 1.6; }
.hl { color: var(--white); font-weight: 500; text-decoration: underline; text-decoration-color: var(--blue-light); text-decoration-thickness: 3px; text-underline-offset: 6px; white-space: nowrap; }
.saving .hl { color: var(--navy); text-decoration-color: var(--blue); }
@media (max-width: 700px) { .hl { white-space: normal; } }
.hero-ctas { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 26px; justify-content: center; }
.hero .btn-ghost { color: var(--white); border-color: rgba(255,255,255,.65); }
.hero .btn-ghost:hover { background: var(--white); color: var(--navy); }
.hero-note { position: absolute; left: 64px; bottom: 14px; margin: 0; font-size: 12px; color: rgba(255,255,255,.6); z-index: 2; }

/* Services: three main services with photos */
.services { background: var(--white); }
.mains { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.main { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.main img { width: 100%; aspect-ratio: 1; object-fit: cover; }
.main:nth-child(1) img { object-position: 50% 0%; }
.main:nth-child(2) img { object-position: 64% 50%; }
.main .body { padding: 18px 20px 20px; }
.main .k { font-size: 12px; letter-spacing: .12em; color: var(--blue); font-weight: 500; }
.main h3 { font-size: 20px; margin: 6px 0 8px; }
.main p { margin: 0; font-size: 15px; color: var(--muted); }

/* Margin stack with the hand-drawn loop */
.stack-wrap { position: relative; margin: 40px 0 0; padding-bottom: 8px; }
.stack { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--white); }
.stack div { padding: 18px 14px; text-align: center; font-size: 14px; border-right: 1px solid var(--line); }
.stack div:last-child { border-right: 0; }
.stack div b { display: block; font-weight: 500; font-size: 16px; margin-bottom: 4px; }
.stack div small { color: var(--muted); }
.stack div.hot { background: var(--red-tint); }
.stack div.hot b { color: var(--red); text-decoration: line-through; text-decoration-thickness: 2px; }
.bracket { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); }
.bracket .brk { grid-column: 2 / 4; margin: 0 14px; border: 2px solid var(--red); border-top: 0; height: 14px; border-radius: 0 0 8px 8px; position: relative; }
.bracket .brk::after { content: ""; position: absolute; left: 50%; bottom: -12px; width: 2px; height: 12px; background: var(--red); }
.bracket .lbl { grid-column: 2 / 4; text-align: center; padding-top: 16px; color: var(--red); font-weight: 500; font-size: 14px; letter-spacing: .04em; text-transform: uppercase; }
.saving { margin: 10px 0 0; text-align: center; font-size: 17px; color: var(--navy); }

/* Process */
.other-h { margin: 48px 0 18px; font-size: 20px; }
.process { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 0; position: relative; }
.process::before { content: ""; position: absolute; left: 7%; right: 7%; top: 17px; height: 2px; background: var(--line); }
.process li { position: relative; padding: 0 8px; text-align: center; }
.process .k { width: 36px; height: 36px; border-radius: 50%; background: var(--paper-2); color: var(--navy); display: flex; align-items: center; justify-content: center; font-weight: 500; margin: 0 auto 12px; position: relative; z-index: 1; border: 4px solid var(--white); box-shadow: 0 0 0 1px var(--line); transition: background .35s, color .35s, transform .35s, box-shadow .35s; }
.process li.done .k { background: var(--blue); color: var(--white); }
.process li.on .k { background: var(--blue-light); color: var(--navy); transform: scale(1.18); box-shadow: 0 0 0 6px rgba(114,176,240,.25); }
.process li.on h4 { color: var(--blue); }
.process h4 { transition: color .35s; }
.process .fill { position: absolute; left: 7%; top: 17px; height: 2px; background: var(--blue); width: 0; transition: width .5s ease; }
.process h4 { font-size: 14px; margin: 0 0 6px; font-weight: 500; }
.process p { font-size: 12.5px; color: var(--muted); margin: 0; line-height: 1.45; }

/* Range (dark): roof line, category tabs, list */
.spec-row { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin-bottom: 20px; }
.spec-label { font-size: 12px; letter-spacing: .12em; text-transform: uppercase; color: var(--blue-light); font-weight: 500; }
.tabs { display: flex; gap: 8px; flex-wrap: wrap; }
.tab { background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.2); color: var(--white); border-radius: 30px; padding: 9px 16px; font-family: inherit; font-size: 14px; cursor: pointer; }
.tab.active { background: var(--blue); border-color: var(--blue); }
.tab:hover { border-color: var(--blue-light); }
.cat-panel { background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.16); border-radius: var(--radius); padding: 22px 24px; }
.range .search { width: 100%; max-width: 420px; padding: 11px 14px; border-radius: var(--radius); border: 1px solid rgba(255,255,255,.25); background: rgba(255,255,255,.08); color: var(--white); font-family: inherit; font-size: 15px; margin-bottom: 18px; display: block; }
.range .search::placeholder { color: rgba(255,255,255,.55); }
.cat-hit { font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--blue-light); margin: 10px 0 4px; }
.cat-groups { display: grid; grid-template-columns: 1.3fr 1fr; gap: 24px; }
.cat-group h3 { font-size: 16px; margin-bottom: 4px; }
.cat-group .sub { font-size: 13px; color: rgba(255,255,255,.65); margin-bottom: 10px; }
.cat-list { list-style: none; padding: 0; margin: 0; }
.cat-list li { padding: 8px 0 8px 22px; border-bottom: 1px solid rgba(255,255,255,.12); position: relative; font-size: 14.5px; }
.cat-list li::before { content: ""; position: absolute; left: 2px; top: 14px; width: 10px; height: 10px; border-radius: 50%; border: 2px solid var(--blue-light); }
.cat-list li.hide { display: none; }
.cat-soon { font-size: 16px; color: rgba(255,255,255,.85); display: flex; gap: 16px; align-items: center; flex-wrap: wrap; }
.range .not { margin-top: 20px; padding: 16px 20px; border-left: 3px solid var(--blue-light); background: rgba(255,255,255,.05); font-size: 14.5px; max-width: 900px; }
.range .not h3 { font-size: 15px; margin-bottom: 6px; }
.range .not p { margin: 0; color: rgba(255,255,255,.72); }

/* Cards */
.grid { display: grid; gap: 20px; }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.card h3 { margin-bottom: 8px; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }

/* Pricing (light) */
.pricing { background: var(--white); }
.price-card { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.price-card .price { font-size: 21px; line-height: 1.25; font-weight: 500; color: var(--blue); margin: 6px 0 12px; }
.price-card h3 { font-size: 16px; }
.price-card p { color: var(--muted); font-size: 14px; margin: 0; }

/* Steps (dark) */
.steps { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 16px; }
.step { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 18px; }
.step .n { width: 30px; height: 30px; border-radius: 50%; background: var(--blue); color: var(--white); display: flex; align-items: center; justify-content: center; font-size: 13px; margin-bottom: 14px; font-weight: 500; }
.step h3 { font-size: 16px; }
.step p { font-size: 14px; color: var(--muted); margin: 0; }
.season { margin-top: 28px; padding: 22px; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.16); border-radius: var(--radius); font-size: 15px; display: flex; flex-direction: column; gap: 14px; align-items: center; text-align: center; }

/* About: government band on the Suzhou skyline (light) */
.licence { position: relative; color: var(--text); padding-block: 0; overflow: hidden; background: var(--paper); }
.licence .bg { position: absolute; inset: 0; background: url("assets/suzhou-right.jpg") right 45% / cover no-repeat; }
.licence .bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(246,248,251,.96) 0%, rgba(246,248,251,.92) 48%, rgba(246,248,251,.45) 64%, rgba(246,248,251,.04) 100%); }
.licence-grid { position: relative; padding-block: 64px; display: grid; grid-template-columns: minmax(0, 1fr) 440px; gap: 48px; align-items: center; max-width: 1100px; margin: 0; padding-left: 40px; }
.licence h2 { color: var(--navy); }
.licence p.lead { font-size: 18px; color: var(--text); max-width: 520px; line-height: 1.55; }
.licence-photos { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; background: rgba(255,255,255,.88); padding: 12px; border-radius: 12px; box-shadow: 0 16px 40px rgba(0,0,0,.18); backdrop-filter: blur(6px); }
.licence-photos figure { margin: 0; }
.licence-photos img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; border-radius: 6px; }
.licence-photos figcaption { font-size: 12px; color: var(--muted); margin-top: 8px; }

/* FAQ (dark) */
.faq details { border-bottom: 1px solid rgba(255,255,255,.16); padding: 4px 0; }
.faq summary { cursor: pointer; padding: 14px 0; font-weight: 500; font-size: 16px; list-style: none; display: flex; justify-content: space-between; gap: 16px; color: var(--white); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--blue-light); font-size: 20px; line-height: 1; }
.faq details[open] summary::after { content: "–"; }
.faq details p { color: rgba(255,255,255,.76); font-size: 15px; padding-bottom: 14px; max-width: 800px; }

/* Contact (light) */
.contact { background: var(--white); }
.contact-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 44px; }
form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
form label { display: block; font-size: 13px; color: var(--navy); margin-bottom: 14px; }
form input, form textarea { width: 100%; margin-top: 6px; padding: 11px 12px; border: 1px solid var(--line); border-radius: var(--radius); font-family: inherit; font-size: 15px; background: var(--paper); color: var(--text); }
form textarea { min-height: 110px; resize: vertical; }
form input:focus, form textarea:focus { outline: 2px solid rgba(47,111,196,.3); border-color: var(--blue); }
form .consent { font-size: 12px; color: var(--muted); margin: 8px 0 14px; }
.form-ok { display: none; padding: 16px; background: #EAF3EE; border: 1px solid #BFD9C8; border-radius: var(--radius); color: #1F5130; }
.direct .card { margin-bottom: 14px; }
.direct .card a.btn { margin-top: 8px; }
.direct img.qr { width: 150px; border: 1px solid var(--line); border-radius: var(--radius); margin-top: 10px; }
.direct .addr { font-size: 13px; color: var(--muted); }

/* Footer */
.footer { background: var(--ink); color: rgba(255,255,255,.7); padding-block: 36px; font-size: 13px; }
.footer .wrap { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; align-items: flex-start; }
.footer .brand { color: var(--white); margin-bottom: 8px; }
.footer .langs b { display: block; margin-bottom: 8px; color: var(--white); font-weight: 500; }
.footer .langs a { display: inline-block; margin: 0 8px 6px 0; opacity: .75; }
.footer .langs a .flag { width: 28px; height: 20px; }
.footer .langs a.active, .footer .langs a:hover { opacity: 1; }
.footer .langs a.active .flag { box-shadow: 0 0 0 2px var(--blue-light); }
.footer p { max-width: 520px; }

/* Contact chooser */
.chooser-backdrop[hidden] { display: none; }
.chooser-backdrop { position: fixed; inset: 0; background: rgba(13,26,39,.62); z-index: 100; display: flex; align-items: center; justify-content: center; padding: 20px; }
.chooser { background: var(--white); color: var(--text); border-radius: 14px; padding: 28px; max-width: 520px; width: 100%; position: relative; box-shadow: 0 30px 80px rgba(0,0,0,.4); }
.chooser h3 { font-size: 22px; margin-right: 32px; }
.chooser p { color: var(--muted); font-size: 15px; }
.chooser-close { position: absolute; top: 12px; right: 12px; width: 36px; height: 36px; border-radius: 50%; border: 1px solid var(--line); background: var(--paper); font-size: 22px; line-height: 1; cursor: pointer; color: var(--navy); }
.chooser-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 18px; }
.ch { display: flex; align-items: center; gap: 12px; padding: 14px; border: 1px solid var(--line); border-radius: 10px; background: var(--paper); color: var(--navy); font-family: inherit; font-size: 15px; cursor: pointer; text-decoration: none !important; text-align: left; transition: border-color .15s, background .15s; }
.ch:hover { border-color: var(--blue); background: var(--blue-tint); }
.ch b { font-weight: 500; }
.ch-ic { width: 38px; height: 38px; border-radius: 10px; display: inline-flex; align-items: center; justify-content: center; color: #fff; flex: none; }
.ch-ic svg { width: 22px; height: 22px; }
.ch-wa { background: #25D366; }
.ch-wc { background: #07C160; }
.ch-em { background: var(--blue); }
.ch-li { background: #0A66C2; }
.chooser-qr[hidden] { display: none; }
.chooser-qr { margin-top: 16px; display: flex; gap: 14px; align-items: center; font-size: 13px; color: var(--muted); }
.chooser-qr img { width: 130px; border: 1px solid var(--line); border-radius: 8px; }

/* Responsive */
@media (max-width: 1320px) {
  .nav { gap: 16px; }
  .nav a { font-size: 12px; letter-spacing: .08em; }
  .header-cta { display: none; }
}
@media (max-width: 960px) {
  .hero { min-height: 0; }
  .hero-grid { padding: 48px 20px 44px; min-height: 0; text-align: left; justify-items: start; }
  .hero-ctas { justify-content: flex-start; }
  .hero p.lead { margin-inline: 0; font-size: 18px; }
  .hero-note { left: 20px; }
  .mains { grid-template-columns: 1fr; }
  .main img { aspect-ratio: 16 / 10; }
  .process { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px 0; }
  .process::before { display: none; }
  .cat-groups { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .contact-grid { grid-template-columns: 1fr; }
  .licence-grid { grid-template-columns: 1fr; padding-left: 20px; max-width: 640px; }
  .nav { display: none; }
  .menu-btn { display: inline-block; }
  .nav.open { display: flex; position: absolute; top: 68px; left: 0; right: 0; height: auto; background: var(--paper); flex-direction: column; padding: 16px 20px; border-bottom: 1px solid var(--line); gap: 14px; align-items: flex-start; }
  .nav.open .nav-ind { display: none; }
}
@media (max-width: 600px) {
  section { padding-block: 52px; }
  .grid-4 { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .stack { grid-template-columns: 1fr; }
  .stack div { border-right: 0; border-bottom: 1px solid var(--line); }
  .stack div:last-child { border-bottom: 0; }
  .bracket { grid-template-columns: 1fr; }
  .bracket .brk, .bracket .lbl { grid-column: 1; }
  .process { grid-template-columns: 1fr 1fr; }
  .process li { text-align: left; padding: 0; }
  .process .k { margin: 0 0 8px; }
  .licence-photos { grid-template-columns: 1fr 1fr; }
  form .row { grid-template-columns: 1fr; }
  .brand-name { font-size: 16px; }
  .brand-name .flip { min-width: 4.6em; }
  .chooser-grid { grid-template-columns: 1fr; }
  .chooser { padding: 22px; }
}