:root{
  --bg:#121213;
  --surface:#1c1c1f;
  --surface-2:#232326;
  --ivory:#eef0f2;
  --ivory-dim:#c7cad0;
  --accent:#b8bcc3;
  --accent-bright:#f2f4f6;
  --accent-deep:#5c5f66;
  --ink:#eceef0;
  --ink-dim:#9a9da3;
  --steel:#3a3b3e;
  --line:rgba(190,195,203,0.22);
  --font-display:"Playfair Display", "Shippori Mincho B1", "Hiragino Mincho ProN", serif;
  --font-body:"Inter", "Zen Kaku Gothic New", "Hiragino Kaku Gothic ProN", sans-serif;
  --font-mono:"Roboto Mono", ui-monospace, monospace;
  --dither:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 4 4'><rect x='0' y='0' width='1' height='1' fill='white' fill-opacity='0'/><rect x='1' y='0' width='1' height='1' fill='white' fill-opacity='0.53'/><rect x='2' y='0' width='1' height='1' fill='white' fill-opacity='0.13'/><rect x='3' y='0' width='1' height='1' fill='white' fill-opacity='0.67'/><rect x='0' y='1' width='1' height='1' fill='white' fill-opacity='0.8'/><rect x='1' y='1' width='1' height='1' fill='white' fill-opacity='0.27'/><rect x='2' y='1' width='1' height='1' fill='white' fill-opacity='0.93'/><rect x='3' y='1' width='1' height='1' fill='white' fill-opacity='0.4'/><rect x='0' y='2' width='1' height='1' fill='white' fill-opacity='0.2'/><rect x='1' y='2' width='1' height='1' fill='white' fill-opacity='0.73'/><rect x='2' y='2' width='1' height='1' fill='white' fill-opacity='0.07'/><rect x='3' y='2' width='1' height='1' fill='white' fill-opacity='0.6'/><rect x='0' y='3' width='1' height='1' fill='white' fill-opacity='1'/><rect x='1' y='3' width='1' height='1' fill='white' fill-opacity='0.47'/><rect x='2' y='3' width='1' height='1' fill='white' fill-opacity='0.87'/><rect x='3' y='3' width='1' height='1' fill='white' fill-opacity='0.33'/></svg>");
}

*{box-sizing:border-box;}
@media (prefers-reduced-motion: reduce){
  *{animation-duration:0.001ms !important; animation-iteration-count:1 !important;}
}

body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-body);
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}

img{max-width:100%;}

.noise-overlay{
  position:fixed;
  inset:0;
  z-index:15;
  pointer-events:none;
  opacity:0.11;
  mix-blend-mode:overlay;
  background-image:var(--dither);
  background-size:16px 16px;
  image-rendering:pixelated;
}

h1,h2,h3{
  font-family:var(--font-display);
  color:var(--ivory);
  margin:0;
  text-wrap:balance;
  font-weight:700;
}

p{margin:0;}
a{color:inherit;text-decoration:none;}
button{font:inherit;}

.eyebrow{
  font-family:var(--font-mono);
  font-size:0.72rem;
  letter-spacing:0.22em;
  text-transform:uppercase;
  color:var(--accent-bright);
}

.wrap{
  max-width:1120px;
  margin:0 auto;
  padding:0 clamp(20px, 5vw, 56px);
}

/* ---------- header / tab switcher ---------- */
.nav{
  position:sticky;
  top:0;
  z-index:20;
  background:rgba(18,18,19,0.92);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
}
.nav-top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  max-width:1120px;
  margin:0 auto;
  padding:14px clamp(20px, 5vw, 56px) 8px;
}
.brand{
  display:flex;
  align-items:center;
  flex:none;
}
.brand-logo{
  height:32px;
  width:auto;
  display:block;
  mix-blend-mode:screen;
}
.nav-badge{
  font-family:var(--font-mono);
  font-size:0.72rem;
  letter-spacing:0.08em;
  color:var(--accent-bright);
  border:1px solid var(--line);
  border-radius:999px;
  padding:6px 14px;
  white-space:nowrap;
  flex:none;
}

.tab-bar{
  overflow-x:auto;
  max-width:1120px;
  margin:0 auto;
  padding:2px clamp(20px, 5vw, 56px) 16px;
  scrollbar-width:thin;
}
.tab-bar::-webkit-scrollbar{height:4px;}
.tab-bar::-webkit-scrollbar-thumb{background:var(--line);border-radius:2px;}

.segmented{
  display:inline-flex;
  border:1px solid var(--line);
  border-radius:2px;
  overflow:hidden;
}

.tab-btn{
  flex:none;
  font-family:var(--font-mono);
  font-size:0.74rem;
  letter-spacing:0.09em;
  text-transform:uppercase;
  color:var(--ink-dim);
  background:transparent;
  border:none;
  border-right:1px solid var(--line);
  padding:10px 20px;
  cursor:pointer;
  white-space:nowrap;
  transition:background .2s, color .2s;
}
.tab-btn:last-child{border-right:none;}
.tab-btn:hover{color:var(--ink);background:rgba(255,255,255,0.05);}
.tab-btn[aria-selected="true"]{
  color:#101012;
  background:linear-gradient(180deg, var(--accent-bright), var(--accent));
}

a:focus-visible, button:focus-visible{
  outline:2px solid var(--accent-bright);
  outline-offset:3px;
}

.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--font-mono);
  font-size:0.76rem;
  letter-spacing:0.1em;
  text-transform:uppercase;
  padding:15px 30px;
  border-radius:2px;
  border:1px solid transparent;
  cursor:pointer;
  transition:background .2s, border-color .2s, color .2s;
}
.btn-primary{
  background:var(--accent);
  border-color:var(--accent);
  color:#101012;
}
.btn-primary:hover{background:var(--accent-bright);border-color:var(--accent-bright);}
.btn-primary:disabled{opacity:0.55;cursor:default;}
.btn-secondary{
  border-color:var(--line);
  background:transparent;
  color:var(--ivory);
}
.btn-secondary:hover{border-color:var(--accent);color:var(--accent-bright);}

/* ---------- bento grid ---------- */
.bento{
  display:grid;
  grid-template-columns:repeat(4, 1fr);
  gap:16px;
  margin-bottom:clamp(40px,7vw,72px);
}
.bento:last-child{margin-bottom:0;}
.bento-tile{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:4px;
  padding:clamp(24px,4vw,32px);
  display:flex;
  flex-direction:column;
  gap:10px;
  position:relative;
  overflow:hidden;
}
.bento-tile.span-4{grid-column:span 4;}
.bento-tile.span-3{grid-column:span 3;}
.bento-tile.span-2{grid-column:span 2;}
.bento-tile.span-1{grid-column:span 1;}
@media (max-width:820px){
  .bento{grid-template-columns:repeat(2,1fr);}
  .bento-tile.span-4,.bento-tile.span-3,.bento-tile.span-2{grid-column:span 2;}
}
@media (max-width:520px){
  .bento{grid-template-columns:1fr;}
  .bento-tile{grid-column:span 1 !important;}
}

.overview-summary{
  color:var(--ivory-dim);
  font-size:1.05rem;
}
.fact-tile p{color:var(--ivory-dim);font-size:0.95rem;}

/* ---------- section shell ---------- */
section{padding:clamp(52px,8vw,92px) 0;}
.tab-panel:focus{outline:none;}
.section-head{
  display:flex;
  align-items:baseline;
  gap:18px;
  margin-bottom:clamp(28px,4vw,44px);
  border-bottom:1px solid var(--line);
  padding-bottom:18px;
}
.section-head h2{font-size:clamp(1.5rem,2.6vw,1.9rem);}
.section-head .eyebrow{margin-left:auto;}
.section-head.secondary{margin-top:clamp(48px,7vw,72px);}

/* ---------- concept: certificate panel ---------- */
.concept-panel{
  background:linear-gradient(160deg, var(--surface-2), var(--surface));
  color:var(--ivory);
  border:1px solid var(--line);
  border-radius:2px;
  padding:clamp(32px,5vw,56px);
  position:relative;
  overflow:hidden;
}
.concept-panel::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:var(--dither);
  background-size:28px 28px;
  opacity:0.12;
  mix-blend-mode:overlay;
  pointer-events:none;
}
.concept-panel::after{
  content:"";
  position:absolute;
  inset:10px;
  border:1px solid var(--line);
  pointer-events:none;
}
.concept-panel > *{position:relative;}
.concept-panel .eyebrow{color:var(--accent-bright);}
.concept-panel h3{
  color:var(--ivory);
  font-size:clamp(1.4rem,3vw,2rem);
  margin:14px 0 22px;
  line-height:1.5;
}
.concept-panel p{
  color:var(--ivory-dim);
  max-width:42em;
  font-size:1rem;
}
.concept-seal{
  position:absolute;
  right:clamp(24px,5vw,48px);
  bottom:clamp(24px,5vw,48px);
  width:78px;height:78px;
  z-index:1;
}
@media (max-width:640px){
  .concept-seal{position:static;margin-top:24px;}
}

/* ---------- services ---------- */
.service-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(230px,1fr));
  gap:16px;
}
.service-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:4px;
  padding:28px 24px;
  display:flex;
  flex-direction:column;
  gap:14px;
  min-height:190px;
}
.service-tag{
  font-family:var(--font-mono);
  font-size:0.68rem;
  letter-spacing:0.1em;
  color:var(--accent-bright);
  border:1px solid rgba(242,244,246,0.3);
  border-radius:999px;
  padding:3px 10px;
  width:fit-content;
}
.service-card h3{
  font-size:1.15rem;
  color:var(--ivory);
}
.service-card p{
  color:var(--ink-dim);
  font-size:0.92rem;
}

/* ---------- values ---------- */
.values-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:16px;
}
@media (max-width:820px){
  .values-grid{grid-template-columns:1fr;}
}
.value-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:4px;
  padding:26px 24px;
}
.value-item .num{
  font-family:var(--font-mono);
  color:var(--accent);
  font-size:0.82rem;
  letter-spacing:0.06em;
  display:block;
  margin-bottom:10px;
}
.value-item h3{
  font-size:1.15rem;
  margin-bottom:10px;
}
.value-item p{
  color:var(--ink-dim);
  font-size:0.92rem;
}

/* ---------- access ---------- */
.access-list{
  display:flex;
  flex-direction:column;
  gap:18px;
}
.access-row{
  display:grid;
  grid-template-columns:88px 1fr;
  gap:16px;
  padding:14px 0;
  border-bottom:1px solid var(--line);
  font-size:0.95rem;
}
.access-row dt{
  font-family:var(--font-mono);
  font-size:0.72rem;
  letter-spacing:0.06em;
  color:var(--ink-dim);
  margin:0;
}
.access-row dd{
  margin:0;
  color:var(--ivory-dim);
}
.map-frame{
  min-height:220px;
  justify-content:space-between;
  gap:20px;
}
.map-frame p{color:var(--ink-dim);font-size:0.9rem;}
.map-embed{
  display:block;
  position:relative;
  width:100%;
  aspect-ratio:16/10;
  border:1px solid var(--line);
  border-radius:2px;
  overflow:hidden;
  background:var(--surface-2);
  transition:border-color .2s;
}
.map-embed:hover{border-color:var(--accent);}
.map-embed svg{
  width:100%;
  height:100%;
  display:block;
}
.map-link{
  align-self:flex-start;
  font-family:var(--font-mono);
  font-size:0.78rem;
  color:var(--accent-bright);
  border-bottom:1px solid var(--line);
  padding-bottom:2px;
}
.map-link:hover{color:var(--ivory);border-color:var(--accent);}

/* ---------- company overview ---------- */
.company-table{
  display:flex;
  flex-direction:column;
  border-top:1px solid var(--line);
}
.business-list{padding-top:2px;}
.business-list > .eyebrow{display:block;margin-bottom:20px;}
.business-list ol{
  list-style:none;
  margin:0;
  padding:0;
  display:flex;
  flex-direction:column;
  gap:0;
  border-top:1px solid var(--line);
}
.business-list li{
  display:flex;
  align-items:baseline;
  gap:16px;
  font-size:0.95rem;
  color:var(--ivory-dim);
  padding:14px 0;
  border-bottom:1px solid var(--line);
}
.business-num{
  font-family:var(--font-mono);
  color:var(--accent);
  font-size:0.85rem;
  flex:none;
  width:22px;
}

/* ---------- philosophy ---------- */
.philosophy-block{
  text-align:center;
}
.philosophy-block .eyebrow{display:block;margin-bottom:18px;}
.philosophy-tagline{
  font-family:var(--font-display);
  font-style:italic;
  font-size:clamp(1.05rem,2vw,1.3rem);
  color:var(--accent-bright);
  letter-spacing:0.03em;
  margin-bottom:22px;
}
.philosophy-heading{
  font-family:var(--font-display);
  color:var(--ivory);
  font-weight:700;
  text-wrap:balance;
  margin:0;
  font-size:clamp(1.8rem,4vw,2.6rem);
  line-height:1.55;
}
.philosophy-body{
  max-width:640px;
  margin:0 auto;
  padding:0 clamp(20px,5vw,56px) clamp(40px,6vw,64px);
  display:flex;
  flex-direction:column;
  gap:36px;
  text-align:center;
}
.philosophy-body p{
  color:var(--ivory-dim);
  font-size:1.05rem;
  line-height:2;
}
.philosophy-emphasis{
  font-family:var(--font-display);
  color:var(--accent-bright);
  font-size:clamp(1.25rem,2.6vw,1.6rem);
  line-height:1.95;
  padding:8px 0;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.philosophy-closing{
  color:var(--ink);
  font-size:1.05rem;
}

/* ---------- contact ---------- */
.contact-lead{
  color:var(--ivory-dim);
  max-width:42em;
  margin-bottom:clamp(28px,4vw,40px);
  font-size:1rem;
}
.contact-form{
  display:flex;
  flex-direction:column;
  gap:22px;
  max-width:560px;
}
.form-row{display:flex;flex-direction:column;gap:8px;}
.form-row label{
  font-family:var(--font-mono);
  font-size:0.78rem;
  letter-spacing:0.04em;
  color:var(--ink-dim);
}
.form-row .req{
  color:var(--accent-bright);
  margin-left:6px;
  font-size:0.7rem;
  letter-spacing:0.02em;
}
.form-row input,
.form-row select,
.form-row textarea{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:2px;
  color:var(--ink);
  font-family:var(--font-body);
  font-size:0.95rem;
  padding:12px 14px;
  resize:vertical;
}
.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus{
  outline:none;
  border-color:var(--accent);
}
.contact-form .btn{align-self:flex-start;margin-top:6px;}
.form-note{
  color:var(--accent-bright);
  font-size:0.92rem;
  padding-top:4px;
  border-top:1px solid var(--line);
}

/* ---------- footer ---------- */
footer{
  border-top:1px solid var(--line);
  padding:44px 0 60px;
}
.footer-grid{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:28px;
  font-size:0.86rem;
  color:var(--ink-dim);
}
.footer-col b{
  display:block;
  color:var(--ivory-dim);
  font-weight:500;
  margin-bottom:8px;
  font-family:var(--font-mono);
  font-size:0.72rem;
  letter-spacing:0.08em;
}
.footer-col p{margin:3px 0;}
.footer-link{
  background:none;
  border:none;
  padding:0;
  color:inherit;
  cursor:pointer;
  font-size:inherit;
  font-family:inherit;
}
.footer-link:hover{color:var(--accent-bright);}
.footer-bottom{
  margin-top:32px;
  padding-top:20px;
  border-top:1px solid var(--line);
  font-size:0.76rem;
  color:var(--ink-dim);
  font-family:var(--font-mono);
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:10px;
}