/* BSB — the platform's own site (bsb-land.*): the same tokens as the two Vue apps (src/styles/base.css). */
:root {
  --navy-950: #050d20; --navy-900: #0a1633; --navy-800: #10224f; --navy-700: #1a3474;
  --blue: #2f5bff; --blue-600: #2247e0; --blue-400: #7b97ff; --blue-100: #e1e8ff; --blue-50: #f0f3ff;
  --green: #0c8f69; --green-50: #e3f7ef; --green-ink: #07684c;
  --violet: #7447f5; --violet-50: #efe9ff;
  --amber: #e8960c; --amber-50: #fff3da; --amber-ink: #8f5400;
  --ink: #0b1633; --text: #36435e; --muted: #62708e; --line: #e2e7f1; --line-strong: #cdd5e5;
  --bg: #f5f7fb; --surface: #fff;
  --aurora: linear-gradient(115deg, #2f5bff 0%, #7447f5 50%, #0c8f69 100%);
  --r-sm: 12px; --r: 20px; --r-lg: 28px;
  --shadow-sm: 0 1px 2px rgb(11 22 51 / .05), 0 4px 14px -6px rgb(11 22 51 / .08);
  --shadow: 0 22px 44px -22px rgb(11 22 51 / .28);
  --shadow-lg: 0 44px 80px -32px rgb(11 22 51 / .45);
  --font-display: 'Bricolage Grotesque', 'Manrope', system-ui, sans-serif;
  --font-body: 'Manrope', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --head-h: 72px;
  color-scheme: light;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--head-h) + 20px); -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: var(--font-body); font-size: 17px; line-height: 1.65; color: var(--text); background: var(--bg); -webkit-font-smoothing: antialiased; overflow-x: clip; }
img { display: block; max-width: 100%; height: auto; }
a { color: var(--blue-600); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { margin: 0; font-family: var(--font-display); font-weight: 700; line-height: 1.15; color: var(--ink); letter-spacing: -.02em; text-wrap: balance; }
p { margin: 0; text-wrap: pretty; }
ul, ol { margin: 0; padding: 0; }
.ic { flex-shrink: 0; }
.wrap { width: min(1200px, 100% - 32px); margin-inline: auto; }
.wrap.narrow { width: min(800px, 100% - 32px); }
.skip { position: absolute; left: -999px; top: 8px; z-index: 100; padding: 8px 14px; border-radius: 10px; background: var(--ink); color: #fff; }
.skip:focus { left: 8px; }
:focus-visible { outline: 3px solid var(--blue-400); outline-offset: 2px; }
.center { text-align: center; }
.muted { color: var(--muted); font-size: .9rem; }
.link { font-weight: 700; }

/* ---------- Buttons ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px; padding: 10px 18px; border: 1px solid transparent; border-radius: 999px; font: 700 .95rem/1.2 var(--font-body); text-decoration: none; cursor: pointer; transition: transform .15s, box-shadow .2s, background .2s, color .2s; white-space: nowrap; }
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-lg { min-height: 52px; padding: 13px 24px; font-size: 1rem; }
.btn-primary { background: var(--blue); color: #fff; box-shadow: 0 10px 24px -12px rgb(47 91 255 / .8); }
.btn-primary:hover { background: var(--blue-600); }
.btn-ghost { border-color: var(--line-strong); background: #fff; color: var(--ink); }
.btn-ghost:hover { border-color: var(--blue-400); color: var(--blue-600); }
.btn-light { background: #fff; color: var(--ink); }

/* ---------- Header ---------- */
.site-head { position: sticky; top: 0; z-index: 50; background: rgb(255 255 255 / .86); backdrop-filter: saturate(1.4) blur(14px); -webkit-backdrop-filter: saturate(1.4) blur(14px); border-bottom: 1px solid rgb(226 231 241 / .8); }
.head-row { display: flex; align-items: center; gap: 24px; height: var(--head-h); }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none !important; }
.brand img { width: 40px; height: 40px; }
.brand span { display: grid; line-height: 1.05; }
.brand b { font-family: var(--font-display); font-size: 1.3rem; letter-spacing: -.02em; }
.brand small { font-size: .72rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.main-nav { display: flex; align-items: center; gap: 4px; margin-left: 12px; }
.main-nav a { padding: 8px 12px; border-radius: 10px; font-size: .94rem; font-weight: 600; color: var(--text); text-decoration: none; }
.main-nav a:hover { background: var(--blue-50); color: var(--blue-600); }
.main-nav a[aria-current="page"] { color: var(--blue-600); background: var(--blue-50); }
.main-nav .nav-panel { display: none; }
.head-cta { display: flex; gap: 10px; margin-left: auto; }
.nav-toggle { display: none; margin-left: auto; width: 44px; height: 44px; place-items: center; border: 1px solid var(--line); border-radius: 12px; background: #fff; color: var(--ink); cursor: pointer; }

/* ---------- Section basics ---------- */
section { padding-block: clamp(56px, 8vw, 96px); }
.sec-head { max-width: 720px; margin: 0 auto 40px; text-align: center; }
.sec-head.left { margin: 0; text-align: left; }
.sec-head h2 { font-size: clamp(1.8rem, 1.3rem + 2vw, 2.6rem); }
.sec-head p:not(.eyebrow) { margin-top: 14px; font-size: 1.06rem; color: var(--muted); }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 14px; font-size: .78rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; color: var(--blue-600); }
.eyebrow.light { color: #a9bbff; }
.frame { position: relative; margin: 0; overflow: hidden; border: 1px solid var(--line); border-radius: 18px; background: #fff; box-shadow: var(--shadow); }
.frame img { width: 100%; }
.frame-bar { display: flex; align-items: center; gap: 6px; height: 34px; padding: 0 14px; border-bottom: 1px solid var(--line); background: #f8f9fc; }
.frame-bar i { width: 10px; height: 10px; border-radius: 50%; background: #dfe4ee; }
.frame-bar span { margin-left: 10px; font-size: .76rem; font-weight: 600; color: var(--muted); }

/* ---------- Hero ---------- */
.hero { position: relative; padding-block: clamp(40px, 6vw, 80px) clamp(56px, 8vw, 100px); overflow: hidden; background: radial-gradient(900px 500px at 85% 10%, rgb(116 71 245 / .12), transparent 60%), radial-gradient(700px 500px at 0% 0%, rgb(47 91 255 / .12), transparent 60%), radial-gradient(600px 400px at 60% 100%, rgb(12 143 105 / .08), transparent 60%); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.12fr); align-items: center; gap: clamp(32px, 5vw, 64px); }
.hero h1 { font-size: clamp(2.2rem, 1.4rem + 3.4vw, 3.9rem); letter-spacing: -.035em; }
.grad { background: var(--aurora); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { margin-top: 20px; font-size: clamp(1.05rem, 1rem + .3vw, 1.2rem); color: var(--text); max-width: 60ch; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.hero-points { display: grid; gap: 8px; margin-top: 28px; list-style: none; font-size: .95rem; font-weight: 600; color: var(--text); }
.hero-points li { display: flex; align-items: center; gap: 10px; }
.hero-points .ic { padding: 3px; border-radius: 50%; background: var(--green-50); color: var(--green); width: 22px; height: 22px; }
.hero-visual { position: relative; }
.hero-visual .frame { box-shadow: var(--shadow-lg); }
.float-card { position: absolute; display: flex; align-items: center; gap: 12px; padding: 12px 16px; border: 1px solid var(--line); border-radius: 16px; background: #fff; box-shadow: var(--shadow); }
.fc-ai { left: -28px; bottom: 28px; max-width: 300px; }
.fc-ai b { display: block; font-size: .92rem; color: var(--ink); }
.fc-ai small { display: block; font-size: .8rem; color: var(--muted); line-height: 1.4; }
.fc-ic { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 12px; background: var(--violet-50); color: var(--violet); }
.fc-code { right: -18px; top: -22px; display: grid; gap: 0; padding: 10px 18px; background: var(--navy-900); border-color: var(--navy-800); text-align: center; }
.fc-code small { font-size: .66rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; color: #9fb0da; }
.fc-code b { font-family: var(--font-display); font-size: 1.7rem; letter-spacing: .12em; color: #fff; }

/* ---------- Pain ---------- */
.pain { background: #fff; border-block: 1px solid var(--line); }
.pain-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.pain-card { padding: 28px; border: 1px solid var(--line); border-radius: var(--r); background: var(--bg); }
.pain-ic { display: grid; place-items: center; width: 46px; height: 46px; margin-bottom: 18px; border-radius: 14px; background: var(--amber-50); color: var(--amber-ink); }
.pain-card b { display: block; font-family: var(--font-display); font-size: 2rem; letter-spacing: -.02em; color: var(--ink); }
.pain-card p { margin-top: 6px; color: var(--muted); }

/* ---------- Features ---------- */
.feat-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.feat { padding: 26px; border: 1px solid var(--line); border-radius: var(--r); background: #fff; transition: border-color .2s, box-shadow .2s, transform .2s; }
.feat:hover { border-color: var(--blue-100); box-shadow: var(--shadow-sm); transform: translateY(-2px); }
.feat-ic { display: grid; place-items: center; width: 46px; height: 46px; margin-bottom: 16px; border-radius: 14px; background: var(--blue-50); color: var(--blue-600); }
.feat:nth-child(3n+2) .feat-ic { background: var(--violet-50); color: var(--violet); }
.feat:nth-child(3n) .feat-ic { background: var(--green-50); color: var(--green-ink); }
.feat h3 { font-size: 1.16rem; }
.feat p { margin-top: 8px; font-size: .97rem; color: var(--muted); }

/* ---------- How ---------- */
.how { background: #fff; border-block: 1px solid var(--line); }
.steps { display: grid; gap: clamp(40px, 6vw, 72px); list-style: none; }
.step { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); align-items: center; gap: clamp(28px, 5vw, 64px); }
.step.flip { grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr); }
.step.flip .step-text { order: 2; }
.step-no { display: inline-grid; place-items: center; width: 44px; height: 44px; margin-bottom: 16px; border-radius: 14px; background: var(--aurora); font-family: var(--font-display); font-size: 1.2rem; font-weight: 800; color: #fff; }
.step h3 { font-size: clamp(1.4rem, 1.2rem + .8vw, 1.8rem); }
.step p { margin-top: 10px; font-size: 1.04rem; color: var(--muted); }
.step-shot img[width="780"] { max-height: 560px; width: auto; margin-inline: auto; }
.step-shot:has(img[width="780"]) { background: linear-gradient(160deg, var(--blue-50), var(--violet-50)); padding: 24px 0 0; display: flex; justify-content: center; }
.how .center { margin-top: 48px; }

/* ---------- Kinds ---------- */
.kind-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.kind { padding: 24px; border-radius: var(--r); background: #fff; border: 1px solid var(--line); }
.kind span { display: grid; place-items: center; width: 44px; height: 44px; margin-bottom: 14px; border-radius: 14px; background: var(--navy-900); color: #fff; }
.kind h3 { font-size: 1.2rem; }
.kind p { margin-top: 6px; font-size: .95rem; color: var(--muted); }

/* ---------- Principles ---------- */
.principles { background: var(--navy-900); color: #c6d0ec; background-image: radial-gradient(700px 400px at 100% 0%, rgb(116 71 245 / .25), transparent 60%), radial-gradient(600px 400px at 0% 100%, rgb(12 143 105 / .18), transparent 60%); }
.principles h2 { color: #fff; font-size: clamp(1.8rem, 1.3rem + 2vw, 2.5rem); }
.principles-grid { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: clamp(32px, 5vw, 64px); align-items: start; }
.principles-grid > div p { margin-top: 16px; font-size: 1.05rem; }
.principle-list { display: grid; gap: 14px; list-style: none; }
.principle-list li { display: flex; gap: 14px; padding: 18px 20px; border: 1px solid rgb(255 255 255 / .1); border-radius: 16px; background: rgb(255 255 255 / .04); }
.principle-list .ic { margin-top: 3px; color: #5ee3a8; }
.principle-list b { color: #fff; }

/* ---------- Screens ---------- */
.screen-grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, .5fr) minmax(0, 1.25fr); gap: 22px; align-items: start; }
.screen-grid figure { margin: 0; }
.screen-grid figcaption { margin-top: 12px; font-size: .9rem; font-weight: 600; color: var(--muted); text-align: center; }
.screen-grid .phone img { border: 8px solid var(--navy-900); border-radius: 30px; box-shadow: var(--shadow); }

/* ---------- FAQ ---------- */
.faq { background: #fff; border-top: 1px solid var(--line); }
.faq-grid { display: grid; grid-template-columns: minmax(0, .7fr) minmax(0, 1.3fr); gap: clamp(28px, 5vw, 64px); align-items: start; }
.faq-list { display: grid; gap: 12px; }
.faq details { border: 1px solid var(--line); border-radius: 16px; background: var(--bg); }
.faq summary { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 18px 20px; font-weight: 700; color: var(--ink); cursor: pointer; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary .ic { transition: transform .2s; color: var(--muted); }
.faq details[open] summary .ic { transform: rotate(180deg); }
.faq details p { padding: 0 20px 18px; color: var(--text); }

/* ---------- CTA band ---------- */
.cta-band { padding-block: clamp(48px, 6vw, 72px); background: var(--aurora); color: #eef1ff; }
.cta-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 24px; }
.cta-band h2 { color: #fff; font-size: clamp(1.6rem, 1.2rem + 1.6vw, 2.3rem); }
.cta-band p { margin-top: 10px; max-width: 56ch; }
.cta-actions { display: grid; justify-items: start; gap: 12px; }
.cta-version { display: inline-flex; align-items: center; gap: 6px; font-size: .86rem; font-weight: 600; color: #fff; opacity: .9; }

/* ---------- Footer ---------- */
.site-foot { padding-top: 56px; background: var(--navy-950); color: #9fb0da; font-size: .94rem; }
.foot-grid { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 32px; padding-bottom: 40px; }
.site-foot .brand { color: #fff; }
.site-foot .brand small { color: #7f90bb; }
.foot-brand p { margin-top: 14px; max-width: 34ch; }
.foot-version { display: inline-flex; align-items: center; gap: 6px; margin-top: 14px; padding: 4px 12px; border: 1px solid rgb(255 255 255 / .12); border-radius: 999px; font-size: .8rem; font-weight: 700; color: #c6d0ec; }
.foot-grid > div:not(.foot-brand) { display: grid; align-content: start; gap: 8px; }
.foot-grid b { margin-bottom: 4px; font-size: .8rem; letter-spacing: .1em; text-transform: uppercase; color: #fff; }
.site-foot a { color: #9fb0da; }
.site-foot a:hover { color: #fff; }
.foot-base { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; padding-block: 20px; border-top: 1px solid rgb(255 255 255 / .08); font-size: .84rem; }

/* ---------- Inner pages ---------- */
.page-head { padding-block: clamp(36px, 5vw, 64px) clamp(28px, 4vw, 44px); background: radial-gradient(700px 300px at 90% 0%, rgb(116 71 245 / .1), transparent 60%), radial-gradient(600px 300px at 0% 0%, rgb(47 91 255 / .1), transparent 60%); border-bottom: 1px solid var(--line); }
.page-head h1 { font-size: clamp(2rem, 1.4rem + 2.4vw, 3rem); }
.page-head .lead { margin-top: 14px; }
.crumbs { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 16px; font-size: .86rem; font-weight: 600; color: var(--muted); }
.crumbs a + a::before, .crumbs a + span::before { content: '›'; margin-right: 6px; color: var(--line-strong); }
.crumbs a { color: var(--blue-600); }
.crumbs span { color: var(--muted); }
.prose { padding-block: 40px 72px; font-size: 1.05rem; }
.prose > * + * { margin-top: 1em; }
.prose h2 { margin-top: 1.8em; font-size: 1.6rem; }
.prose h3 { margin-top: 1.4em; font-size: 1.25rem; }
.prose ul, .prose ol { padding-left: 1.3em; }
.prose li + li { margin-top: .45em; }
.prose blockquote { margin-inline: 0; padding: 14px 18px; border-left: 4px solid var(--blue-400); border-radius: 0 12px 12px 0; background: var(--blue-50); }
.prose img { border-radius: 14px; border: 1px solid var(--line); }
.prose code { padding: 2px 6px; border-radius: 6px; background: var(--blue-50); font-size: .9em; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 14px; background: #fff; }
.prose table { width: 100%; border-collapse: collapse; font-size: .95rem; }
.prose th, .prose td { padding: 10px 14px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.prose th { background: var(--bg); color: var(--ink); }
.prose tr:last-child td { border-bottom: 0; }

/* About */
.value-list { display: grid; gap: 12px; padding: 0 !important; list-style: none; }
.value-list li { display: flex; gap: 14px; padding: 16px 18px; border: 1px solid var(--line); border-radius: 16px; background: #fff; margin: 0 !important; }
.value-list .ic { margin-top: 4px; color: var(--blue-600); }
.value-list p { margin-top: 2px; font-size: .97rem; color: var(--muted); }
.author-card { display: flex; gap: 18px; padding: 22px; border: 1px solid var(--line); border-radius: var(--r); background: #fff; }
.author-card p { margin-top: 6px; font-size: .98rem; }
.author-links { display: flex; gap: 14px; font-weight: 700; }
.avatar { display: inline-grid; flex-shrink: 0; place-items: center; width: 46px; height: 46px; border-radius: 50%; background: var(--aurora); font-family: var(--font-display); font-weight: 800; color: #fff; }
.avatar.lg { width: 64px; height: 64px; font-size: 1.5rem; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, .7fr); gap: clamp(24px, 4vw, 48px); align-items: start; padding-block: 40px 80px; }
.form-card { padding: clamp(20px, 3vw, 32px); border: 1px solid var(--line); border-radius: var(--r-lg); background: #fff; box-shadow: var(--shadow-sm); }
.lead-form { display: grid; gap: 16px; }
.f-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.f { display: grid; gap: 6px; font-size: .9rem; font-weight: 700; color: var(--ink); }
.f input, .f select, .f textarea { width: 100%; min-height: 48px; padding: 11px 14px; border: 1px solid var(--line-strong); border-radius: 12px; background: #fff; font: 500 1rem/1.4 var(--font-body); color: var(--ink); }
.f textarea { resize: vertical; }
.f input:focus, .f select:focus, .f textarea:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 4px var(--blue-50); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.f-note { font-size: .84rem; color: var(--muted); }
.lead-form .btn { justify-self: start; }
.notice { display: flex; gap: 12px; padding: 16px 18px; border-radius: 14px; }
.notice.ok { background: var(--green-50); color: var(--green-ink); }
.notice.err { margin-bottom: 18px; background: #fdecec; color: #a32020; }
.notice .ic { margin-top: 2px; }
.contact-side h2 { font-size: 1.2rem; }
.contact-side h2 + * { margin-top: 14px; }
.contact-side h2:not(:first-child) { margin-top: 32px; }
.next-steps { display: grid; gap: 14px; list-style: none; counter-reset: s; }
.next-steps li { display: grid; gap: 2px; padding-left: 44px; position: relative; counter-increment: s; }
.next-steps li::before { content: counter(s); position: absolute; left: 0; top: 0; display: grid; place-items: center; width: 30px; height: 30px; border-radius: 10px; background: var(--blue-50); font-weight: 800; color: var(--blue-600); }
.next-steps b { color: var(--ink); }
.next-steps span { font-size: .94rem; color: var(--muted); }
.contact-list { display: grid; gap: 10px; list-style: none; }
.contact-list li { display: flex; align-items: center; gap: 10px; font-weight: 700; }

/* Changelog */
.changelog { padding-block: 40px 80px; }
.cl-timeline { display: grid; gap: 22px; list-style: none; }
.cl-entry { display: grid; grid-template-columns: 130px minmax(0, 1fr); gap: 20px; }
.cl-side { display: grid; align-content: start; justify-items: start; gap: 6px; padding-top: 18px; }
.cl-ver { padding: 3px 12px; border-radius: 999px; background: var(--blue-50); font-size: .85rem; font-weight: 800; color: var(--blue-600); }
.cl-entry.latest .cl-ver { background: var(--blue); color: #fff; }
.cl-side time { font-size: .84rem; font-weight: 600; color: var(--muted); }
.cl-card { padding: 22px 24px; border: 1px solid var(--line); border-radius: var(--r); background: #fff; }
.cl-entry.latest .cl-card { border-color: var(--blue-400); box-shadow: 0 0 0 4px var(--blue-50); }
.cl-card h2 { font-size: 1.3rem; }
.cl-card h3 { display: flex; align-items: center; gap: 6px; margin-top: 16px; font-family: var(--font-body); font-size: .8rem; letter-spacing: .08em; text-transform: uppercase; }
.cl-added { color: var(--green-ink); }
.cl-fixed { color: var(--amber-ink); }
.cl-card ul { display: grid; gap: 6px; margin-top: 8px; padding-left: 20px; font-size: .98rem; }
.cl-card .cl-added + ul li::marker { color: var(--green); }
.cl-card .cl-fixed + ul li::marker { color: var(--amber); }

/* Blog */
.blog-list { padding-block: 40px 80px; }
.post-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.post-card { display: grid; align-content: start; gap: 10px; padding: 24px; border: 1px solid var(--line); border-radius: var(--r); background: #fff; transition: box-shadow .2s, transform .2s; }
.post-card:hover { box-shadow: var(--shadow-sm); transform: translateY(-2px); }
.post-tag { justify-self: start; padding: 2px 10px; border-radius: 999px; background: var(--blue-50); font-size: .76rem; font-weight: 700; color: var(--blue-600); }
.post-card h3 { font-size: 1.2rem; }
.post-card h3 a { color: var(--ink); }
.post-card p { font-size: .95rem; color: var(--muted); }
.post-card small { font-size: .84rem; color: var(--muted); }
.pager { display: flex; justify-content: center; gap: 8px; margin-top: 40px; }
.pager a { display: grid; place-items: center; min-width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 12px; background: #fff; font-weight: 700; }
.pager a[aria-current] { background: var(--blue); border-color: var(--blue); color: #fff; }
.empty-state { display: grid; justify-items: center; gap: 10px; padding: 56px 20px; border: 1px dashed var(--line-strong); border-radius: var(--r-lg); text-align: center; color: var(--muted); }
.empty-state h2 { font-size: 1.4rem; }
.post-head { padding-block: 40px 8px; }
.post-head h1 { font-size: clamp(2rem, 1.5rem + 2vw, 2.8rem); }
.post-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.post-tags a { padding: 3px 12px; border-radius: 999px; background: var(--blue-50); font-size: .8rem; font-weight: 700; }
.post-meta { margin-top: 16px; font-size: .92rem; color: var(--muted); }
.post-meta a { font-weight: 700; }
.post-tldr { margin-top: 28px; padding: 20px 22px; border: 1px solid var(--blue-100); border-radius: 16px; background: var(--blue-50); }
.post-tldr b { font-size: .8rem; letter-spacing: .1em; text-transform: uppercase; color: var(--blue-600); }
.post-tldr p { margin-top: 6px; font-size: 1.06rem; color: var(--ink); }
.post .prose { padding-block: 28px 32px; }
.post-foot { display: grid; gap: 24px; padding-bottom: 80px; }
.author-box { display: flex; align-items: center; gap: 14px; padding: 18px; border: 1px solid var(--line); border-radius: 16px; background: #fff; }
.author-box b { color: var(--ink); }
.author-box p { font-size: .92rem; }
.post-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.post-nav a { display: grid; gap: 4px; padding: 16px 18px; border: 1px solid var(--line); border-radius: 16px; background: #fff; font-weight: 700; color: var(--ink); }
.post-nav a.next { grid-column: 2; text-align: right; }
.post-nav small { font-size: .78rem; font-weight: 600; color: var(--muted); }
.post-cta { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 14px; padding: 22px; border-radius: 18px; background: var(--navy-900); color: #fff; }
.post-cta p { font-weight: 700; }

/* Error */
.error-page { padding-block: 80px 100px; text-align: center; }
.error-code { font-family: var(--font-display); font-size: 6rem; font-weight: 800; line-height: 1; background: var(--aurora); -webkit-background-clip: text; background-clip: text; color: transparent; }
.error-page h1 { margin-top: 12px; }
.error-page p { margin-top: 10px; color: var(--muted); }
.error-page .hero-cta { justify-content: center; }

/* ---------- Guide ---------- */
.guide-head .lead { max-width: 70ch; }
.guide-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 24px; }
.guide-note { display: inline-flex; align-items: center; gap: 8px; padding: 8px 14px; border-radius: 999px; background: var(--amber-50); font-size: .86rem; font-weight: 700; color: var(--amber-ink); }
.guide-layout { display: grid; grid-template-columns: 260px minmax(0, 1fr); gap: clamp(24px, 4vw, 56px); align-items: start; padding-block: 40px 80px; }
.toc { position: sticky; top: calc(var(--head-h) + 20px); max-height: calc(100vh - var(--head-h) - 40px); overflow: auto; padding: 18px; border: 1px solid var(--line); border-radius: var(--r); background: #fff; }
.toc b { display: block; margin-bottom: 10px; font-size: .78rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.toc ol { display: grid; gap: 2px; list-style: none; counter-reset: t; }
.toc a { display: flex; gap: 8px; padding: 7px 10px; border-radius: 10px; font-size: .9rem; font-weight: 600; color: var(--text); counter-increment: t; }
.toc a::before { content: counter(t); min-width: 20px; font-weight: 800; color: var(--blue-400); }
.toc a:hover, .toc a.on { background: var(--blue-50); color: var(--blue-600); text-decoration: none; }
.g-sec { padding-block: 0 48px; margin-bottom: 48px; border-bottom: 1px solid var(--line); }
.g-sec:last-child { border-bottom: 0; }
.g-sec > h2 { display: flex; align-items: center; gap: 14px; font-size: clamp(1.5rem, 1.2rem + 1vw, 2rem); }
.g-num { display: inline-grid; flex-shrink: 0; place-items: center; width: 42px; height: 42px; border-radius: 13px; background: var(--aurora); font-size: 1.1rem; font-weight: 800; color: #fff; }
.g-sec > p, .g-sec .g-text > p { margin-top: 14px; font-size: 1.04rem; }
.g-steps { display: grid; gap: 10px; margin-top: 18px; list-style: none; counter-reset: g; }
.g-steps li { position: relative; padding-left: 40px; counter-increment: g; }
.g-steps li::before { content: counter(g); position: absolute; left: 0; top: 1px; display: grid; place-items: center; width: 27px; height: 27px; border-radius: 9px; background: var(--blue-50); font-size: .86rem; font-weight: 800; color: var(--blue-600); }
.g-steps b { color: var(--ink); }
.g-fig { margin: 24px 0 0; }
.g-fig a { display: block; cursor: zoom-in; }
.g-fig figcaption { margin-top: 10px; font-size: .88rem; color: var(--muted); text-align: center; }
.g-fig.phone { display: flex; flex-direction: column; align-items: center; }
.g-fig.phone img { max-width: 300px; border: 7px solid var(--navy-900); border-radius: 28px; box-shadow: var(--shadow); }
.g-figs { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr)); gap: 18px; margin-top: 24px; }
.g-figs .g-fig { margin: 0; }
.g-figs .g-fig.phone img { max-width: 100%; }
.tip { display: flex; gap: 12px; margin-top: 20px; padding: 14px 18px; border-radius: 14px; background: var(--green-50); color: var(--green-ink); font-size: .97rem; }
.tip.warn { background: var(--amber-50); color: var(--amber-ink); }
.tip .ic { margin-top: 3px; }
.tip b { color: inherit; }
.g-video { position: relative; margin-top: 20px; aspect-ratio: 16 / 9; overflow: hidden; border-radius: 16px; background: var(--navy-900); }
.g-video iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.lightbox { max-width: min(1400px, 96vw); max-height: 94vh; padding: 0; border: 0; border-radius: 14px; background: transparent; }
.lightbox::backdrop { background: rgb(5 13 32 / .82); }
.lightbox img { max-height: 92vh; width: auto; margin: auto; border-radius: 12px; }
.lightbox button { position: fixed; top: 16px; right: 16px; display: grid; place-items: center; width: 44px; height: 44px; border: 0; border-radius: 50%; background: #fff; color: var(--ink); cursor: pointer; }

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .main-nav { position: fixed; inset: var(--head-h) 0 auto 0; display: none; flex-direction: column; align-items: stretch; gap: 2px; margin: 0; padding: 12px 16px 20px; background: #fff; border-bottom: 1px solid var(--line); box-shadow: var(--shadow); }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 12px 14px; font-size: 1rem; }
  .main-nav .nav-panel { display: block; color: var(--blue-600); }
  .nav-toggle { display: grid; }
  .head-cta .btn-ghost { display: none; }
  .head-cta { margin-left: auto; }
  .nav-toggle { margin-left: 0; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { max-width: 760px; }
  .feat-grid, .post-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .kind-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .principles-grid, .faq-grid { grid-template-columns: 1fr; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .guide-layout { grid-template-columns: 1fr; }
  .toc { position: static; max-height: none; }
}
@media (max-width: 760px) {
  body { font-size: 16px; }
  .head-cta { display: none; }
  .nav-toggle { margin-left: auto; }
  .pain-grid, .feat-grid, .post-grid, .kind-grid { grid-template-columns: 1fr; }
  .step, .step.flip { grid-template-columns: 1fr; }
  .step.flip .step-text { order: 0; }
  .screen-grid { grid-template-columns: 1fr; }
  .screen-grid .phone { max-width: 280px; margin-inline: auto; }
  .fc-ai { left: 8px; right: 8px; bottom: -36px; max-width: none; }
  .fc-code { right: 8px; top: -18px; }
  .hero-visual { margin-bottom: 30px; }
  .contact-grid, .f-row { grid-template-columns: 1fr; }
  .cl-entry { grid-template-columns: 1fr; gap: 8px; }
  .cl-side { display: flex; align-items: center; padding-top: 0; }
  .foot-grid { grid-template-columns: 1fr; }
  .post-nav { grid-template-columns: 1fr; }
  .post-nav a.next { grid-column: auto; text-align: left; }
  .author-card { flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { transition: none !important; scroll-behavior: auto !important; } }

/* ---------- Print (the guide's PDF) ---------- */
@media print {
  @page { size: A4; margin: 16mm 14mm; }
  body { background: #fff; font-size: 11pt; }
  .site-head, .site-foot, .toc, .guide-actions, .skip, .g-video, .lightbox { display: none !important; }
  .guide-layout { display: block; padding: 0; }
  .page-head { background: none; border: 0; padding: 0 0 12px; }
  .g-sec { break-before: page; border: 0; margin: 0; padding: 0; }
  .g-sec:first-child { break-before: auto; }
  .g-fig, .tip, .g-steps li { break-inside: avoid; }
  .frame { box-shadow: none; }
  .g-fig.phone img { max-width: 200px; box-shadow: none; }
  .g-fig .frame { max-width: 150mm; margin-inline: auto; }
  .g-figs { grid-template-columns: repeat(4, 1fr); }
  .g-sec > h2 { break-after: avoid; }
  a { color: var(--ink); }
}
.g-list { display: grid; gap: 8px; margin-top: 12px; padding-left: 1.2em; }

/* The guide as a PDF (/qollanma?print=1, layouts/print.php) */
.print-cover { display: grid; align-content: space-between; min-height: 250mm; padding: 10mm 4mm; break-after: page; }
.print-cover .brand b { font-size: 1.8rem; }
.print-cover h1 { margin-top: 70mm; font-size: 2.6rem; }
.print-cover p { margin-top: 10px; font-size: 1.1rem; color: var(--muted); }
.print-cover dl { display: grid; grid-template-columns: auto 1fr; gap: 6px 18px; font-size: .95rem; }
.print-cover dt { font-weight: 700; color: var(--ink); }
.print-cover dd { margin: 0; }
.print-toc { break-after: page; }
.print-toc h2 { font-size: 1.6rem; margin-bottom: 18px; }
.print-toc ol { display: grid; gap: 10px; padding-left: 1.4em; font-size: 1.05rem; }
body.print .page-head { display: none; }
body.print .guide-layout { display: block; padding: 0; }
body.print .toc { display: none; }