/* Shared navigation and the September 2026 homepage update. */
:root { --ink:#17191d; --muted:#565c64; --line:#dce0e3; --blue:#1c2f5c; --soft:#f4f6f7; --green:#315f51; }
html { scroll-behavior:smooth; scroll-padding-top:100px; background:#fff; }
body { margin:0; background:#fff !important; color:var(--ink); font-family:Pretendard,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif; }
*,*::before,*::after { box-sizing:border-box; letter-spacing:0 !important; }
[hidden] { display:none !important; }
.site-page { font-size:16px; line-height:1.75; }
.site-page h1,.site-page h2,.site-page h3 { margin:0; font-weight:750; line-height:1.35; word-break:keep-all; overflow-wrap:anywhere; }
.site-page h1 { font-size:48px; } .site-page h2 { font-size:32px; } .site-page h3 { font-size:23px; }
.site-page p { margin:16px 0; color:var(--muted); }
.site-page a { color:inherit; } .site-page img { display:block; max-width:100%; }
.site-page button,.site-page input,.site-page select,.site-page textarea { font:inherit; }
.site-page a:focus-visible,.site-page button:focus-visible,.site-page input:focus-visible,.site-page textarea:focus-visible,.site-page select:focus-visible,.site-page summary:focus-visible,.site-header a:focus-visible,.site-header button:focus-visible { outline:3px solid #3866a9 !important; outline-offset:4px; box-shadow:none !important; }
.site-skip { position:fixed; left:16px; top:-100px; z-index:100; padding:10px 16px; background:#fff; color:#111; }
.site-skip:focus { top:12px; }
.site-header { position:sticky; top:0; z-index:50; background:rgba(255,255,255,.98); border-bottom:1px solid var(--line); }
.site-header-inner { max-width:1240px; min-height:80px; margin:auto; padding:12px 32px; display:flex; align-items:center; justify-content:space-between; gap:24px; }
.site-brand { display:flex; align-items:center; gap:12px; text-decoration:none; color:#151515; flex-shrink:0; }
.site-brand img { width:42px; height:42px; object-fit:contain; background:#111; border-radius:50%; padding:5px; }
.site-brand strong { display:block; font-size:19px; line-height:1.4; } .site-brand small { display:block; font-size:11px; color:#666; }
.site-nav { display:flex; align-items:center; gap:26px; font-size:14px; }
.site-nav a { text-decoration:none; color:#333; padding:10px 0; } .site-nav a:hover,.site-nav a[aria-current=page] { color:var(--blue); text-decoration:underline; text-underline-offset:6px; }
.site-nav a.nav-contact { padding:11px 20px; color:#fff; background:var(--blue); border-radius:4px; text-decoration:none; }
.site-menu-button { display:none; width:44px; height:44px; background:#fff; border:1px solid var(--line); border-radius:4px; align-items:center; justify-content:center; }
.site-menu-icon,.site-menu-icon::before,.site-menu-icon::after { display:block; width:18px; height:2px; background:var(--ink); position:relative; }
.site-menu-icon::before,.site-menu-icon::after { content:""; position:absolute; left:0; } .site-menu-icon::before { top:-6px; } .site-menu-icon::after { top:6px; }
.site-container { width:min(1120px,calc(100% - 64px)); margin-inline:auto; }
.site-section { padding:80px 0; border-bottom:1px solid var(--line); }
.site-section.soft { background:var(--soft); }
.site-kicker { display:block; color:var(--green); font-size:12px; font-weight:750; margin-bottom:14px; }
.site-intro { max-width:740px; } .site-intro p { font-size:18px; }
.site-section-heading { display:flex; align-items:end; justify-content:space-between; gap:24px; margin-bottom:36px; }
.site-link { font-weight:650; color:var(--blue) !important; text-decoration:underline; text-underline-offset:5px; }
.site-actions { display:flex; flex-wrap:wrap; gap:12px; margin-top:26px; }
.site-button { display:inline-flex; justify-content:center; align-items:center; min-height:48px; padding:12px 22px; border:1px solid var(--blue); border-radius:4px; background:var(--blue); color:#fff !important; font-size:15px; font-weight:650; line-height:1.5; text-decoration:none; cursor:pointer; }
.site-button:hover { background:#293f70; } .site-button.secondary { background:#fff; color:var(--blue) !important; border-color:#b9c2cf; }
.site-hero { position:relative; min-height:470px; background:#f5f6f7 url('brand/logo-background-flow-black-16pct-transparent.png') right bottom/720px auto no-repeat; }
.site-hero-copy { position:relative; width:100%; padding:58px max(32px,calc((100% - 1120px)/2)) 90px; }
.site-hero h1 { font-size:52px; } .site-hero p { font-size:18px; max-width:750px; color:#343b43; margin:12px 0 0; }
.site-hero .site-actions { margin-top:22px; }
.site-proof { display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:24px; padding:30px 0; }
.site-proof div { border-left:2px solid var(--line); padding-left:20px; } .site-proof strong { display:block; font-size:20px; } .site-proof p { margin:5px 0 0; font-size:13px; }
.site-routes { display:grid; grid-template-columns:1fr 1fr; gap:32px; }
.site-route { padding-top:28px; border-top:3px solid var(--blue); } .site-route.personal { border-color:var(--green); }
.site-route p { max-width:460px; } .site-route ul { padding-left:20px; color:var(--muted); margin:20px 0 24px; }
.site-split { display:grid; grid-template-columns:.8fr 1.2fr; gap:56px; align-items:center; }
.site-portrait { width:min(100%,340px); height:auto; justify-self:center; }
.site-photo { width:100%; height:auto; }
.site-field-photo { margin:0; min-width:0; }
.site-field-photo img { display:block; width:100%; height:auto; }
.site-field-photo figcaption { padding-top:9px; color:var(--muted); font-size:12px; line-height:1.6; }
.site-route .site-field-photo { margin:0 0 24px; }
.site-route .site-field-photo img { max-width:100%; }
.site-field-photo--wide { max-width:760px; margin-bottom:36px; }
.site-field-photo--portrait { width:min(100%,340px); justify-self:center; }
.site-caption { font-size:12px !important; color:#697078 !important; margin-top:8px !important; }
.site-quote { margin:24px 0 12px; font-size:20px; font-weight:650; line-height:1.7; color:var(--blue); word-break:keep-all; overflow-wrap:anywhere; }
.site-testimonials { margin-top:0; margin-bottom:24px; }
.site-testimonials .site-quote { margin-top:0; }
.site-cases { display:grid; grid-template-columns:1fr 1fr; gap:32px; }
.site-case { padding:30px 0; border-top:1px solid var(--line); }
.site-case img { width:100%; height:auto; margin-bottom:24px; }
.site-stat { font-size:46px; font-weight:750; line-height:1.2; color:var(--blue); margin:24px 0 8px; }
.site-stat small { font-size:20px; font-weight:400; }
.site-steps { display:grid; grid-template-columns:repeat(3,1fr); gap:32px; margin-top:36px; }
.site-steps article { border-top:1px solid #aeb8c0; padding-top:22px; }
.site-steps span { display:block; color:var(--green); font-size:14px; margin-bottom:12px; }
.site-faq { max-width:850px; } .site-faq details { border-bottom:1px solid var(--line); padding:20px 0; }
.site-faq summary { cursor:pointer; font-weight:650; padding:4px 24px 4px 0; }
.site-faq details p { padding-right:24px; }
.site-cta { padding:64px 0; background:var(--blue); color:#fff; } .site-cta p { color:#e0e5ed; } .site-cta .site-button { background:#fff; color:var(--blue) !important; border-color:#fff; }
.site-footer { background:#f4f5f6; color:#4c535b; border-top:1px solid var(--line); padding:42px 0 22px; font-size:13px; }
.site-footer-inner { width:min(1120px,calc(100% - 64px)); margin:auto; display:grid; grid-template-columns:1.6fr 1fr 1fr; gap:28px; }
.site-footer strong { color:var(--ink); font-size:18px; } .site-footer p { margin:10px 0; }
.site-footer nav { display:grid; align-content:start; gap:10px; } .site-footer a { color:inherit; text-decoration:none; } .site-footer a:hover { text-decoration:underline; }
.site-copyright { width:min(1120px,calc(100% - 64px)); margin:30px auto 0; padding-top:20px; border-top:1px solid var(--line); font-size:12px; }
body:not(.site-page) .brand-hero { padding-top:24px; }
.site-page-heading { padding:64px 0 44px; border-bottom:1px solid var(--line); }
.site-page-heading p { max-width:720px; font-size:18px; }
.site-subnav { display:flex; flex-wrap:wrap; gap:22px; margin-top:24px; } .site-subnav a { color:var(--blue); text-underline-offset:5px; }
.site-program { display:grid; grid-template-columns:72px 1fr 220px; gap:24px; padding:32px 0; border-top:1px solid var(--line); align-items:start; }
.site-program-number { color:var(--green); font-size:20px; font-weight:650; }
.site-program p { margin:12px 0; } .site-program .site-actions { margin:0; justify-content:end; }
.site-detail-list { display:grid; grid-template-columns:140px 1fr; gap:18px; margin:28px 0; } .site-detail-list dt { font-weight:700; } .site-detail-list dd { margin:0; color:var(--muted); }
.site-contact-layout { display:grid; grid-template-columns:.7fr 1.3fr; gap:64px; }
.site-contact-address { font-size:20px; overflow-wrap:anywhere; }
.site-audience { display:flex; gap:0; margin:0 0 28px; border:1px solid #adb7c3; border-radius:4px; overflow:hidden; }
.site-audience button { width:50%; padding:12px; border:0; background:#fff; color:var(--blue); cursor:pointer; font-weight:650; }
.site-audience button[aria-pressed=true] { background:var(--blue); color:#fff; }
.site-form-grid { display:grid; grid-template-columns:1fr 1fr; gap:20px; }
.site-form-grid label { display:grid; gap:8px; font-size:14px; font-weight:600; align-content:start; }
.site-form-grid label.wide { grid-column:1/-1; }
.site-form-grid input,.site-form-grid select,.site-form-grid textarea,.site-copy-box { width:100%; min-width:0; border:1px solid #929da7; border-radius:4px; padding:11px 12px; color:var(--ink); background:#fff; font-size:16px; }
.site-form-grid textarea { min-height:150px; resize:vertical; } .site-optional { color:#687079; font-weight:400; }
.site-note { padding:16px 0; font-size:14px; line-height:1.7; color:var(--muted); }
.site-status { min-height:28px; color:var(--blue) !important; font-size:14px; }
.site-copy-box { min-height:180px; margin-top:12px; }
.site-reading { max-width:820px; } .site-reading h2 { font-size:24px; margin:36px 0 14px; } .site-reading ul { padding-left:24px; }
.site-reading figure { margin:28px 0; }
.profile-projects { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); column-gap:36px; }
#projects.site-section { padding-block:56px; }
#projects .site-section-heading { margin-bottom:24px; }
.profile-project { display:grid; grid-template-columns:64px minmax(0,1fr); gap:16px; padding:20px 0; border-top:1px solid var(--line); min-width:0; }
.profile-project h3 { font-size:20px; line-height:1.4; }
.profile-project p { font-size:15px; line-height:1.6; }
.profile-project .profile-year { margin:0; color:var(--green); font-size:15px; font-weight:650; }
.profile-project p { margin:6px 0; } .profile-project-name { color:var(--ink) !important; font-weight:650; }
.profile-expertise { display:grid; grid-template-columns:1fr 1fr; gap:32px 48px; margin-top:36px; }
.profile-expertise article { padding-top:24px; border-top:2px solid var(--line); }
.profile-history { font-size:14px; } .profile-format { margin-top:36px; padding-top:28px; border-top:1px solid var(--line); }
.profile-credentials { display:grid; grid-template-columns:1fr 1fr; gap:0 40px; padding:0; margin:32px 0 0; list-style:none; }
.profile-credentials li { border-top:1px solid var(--line); padding:20px 0; min-width:0; }
.profile-credentials strong { display:block; font-size:18px; line-height:1.55; overflow-wrap:anywhere; }
.profile-credentials span { display:block; margin-top:5px; font-size:14px; color:var(--muted); }
.profile-media { display:grid; grid-template-columns:1.2fr .8fr; gap:56px; margin-top:36px; }
.profile-book-title { font-size:24px; font-weight:700; color:var(--blue) !important; }
@media(max-width:700px) {
  .profile-projects { grid-template-columns:1fr; }
  .profile-project { grid-template-columns:1fr; gap:6px; }
  .profile-expertise,.profile-credentials,.profile-media { grid-template-columns:1fr; gap:24px; }
  .profile-credentials { gap:0; }
}
@media(max-width:900px) {
  .site-header-inner { padding:12px 24px; min-height:72px; flex-wrap:wrap; gap:0; }
  .site-menu-button { display:flex; }
  .site-nav { width:100%; display:none; padding:18px 0 10px; gap:4px; flex-direction:column; align-items:stretch; }
  .site-nav[data-open=true] { display:flex; } .site-nav a { padding:12px; } .site-nav a.nav-contact { margin-top:6px; text-align:center; }
  .site-split,.site-contact-layout { gap:32px; grid-template-columns:1fr 1fr; }
  .site-program { grid-template-columns:42px 1fr; } .site-program .site-actions { grid-column:2; justify-content:start; }
  .site-proof { grid-template-columns:1fr 1fr; }
}
@media(max-width:600px) {
  .site-container,.site-footer-inner,.site-copyright { width:calc(100% - 40px); }
  .site-header-inner { padding:10px 20px; min-height:68px; } .site-brand strong { font-size:17px; } .site-brand img { width:36px; height:36px; }
  .site-page h1,.site-hero h1 { font-size:34px; } .site-page h2 { font-size:27px; } .site-page h3 { font-size:22px; }
  .site-section { padding:50px 0; } .site-section-heading { display:block; } .site-section-heading>a { display:inline-block; margin-top:20px; }
  .site-hero { min-height:430px; background-size:100% auto; }
  .site-hero-copy { padding:36px 20px 110px; }
  .site-hero p { font-size:16px; line-height:1.75; }
  .site-hero .site-actions { gap:8px; margin-top:20px; } .site-hero .site-button { padding:11px 16px; }
  .site-proof { gap:20px 14px; padding:26px 0; } .site-proof strong { font-size:17px; } .site-proof div { padding-left:12px; }
  .site-routes,.site-split,.site-cases,.site-steps,.site-contact-layout { grid-template-columns:1fr; gap:32px; }
  .site-portrait { width:min(100%,300px); height:auto; } .site-footer-inner { grid-template-columns:1fr 1fr; } .site-footer-inner>div { grid-column:1/-1; }
  .site-page-heading { padding:40px 0 32px; } .site-form-grid { grid-template-columns:1fr; } .site-detail-list { grid-template-columns:1fr; gap:6px; } .site-detail-list dd { margin-bottom:16px; }
  .site-program { grid-template-columns:28px 1fr; gap:12px; } .site-stat { font-size:40px; }
}
@media(prefers-reduced-motion:reduce) { html { scroll-behavior:auto; } }