/* Viditha Technologies — site styles.
   Layout: a device spec sheet. Wide bands, a left-aligned grid, mono labels like test-report fields,
   one high-visibility amber accent borrowed from rugged hardware. */
:root{
  --bg:#F3F5F6; --surface:#FFFFFF; --ink:#13202B; --muted:#55636F; --line:#D5DCE1;
  --steel:#1E3A4F; --steel-ink:#E9EFF3; --amber:#E3A008; --amber-ink:#13202B; --ph:#8A6A12;
  --role:#8A6A12; --logo-bg:#FFFFFF; --logo-ink:#13202B;
  --display:"Archivo",ui-sans-serif,system-ui,sans-serif;
  --body:"IBM Plex Sans",ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --wrap:1180px;
  color-scheme:light;
}
@media (prefers-color-scheme: dark){:root{
  --bg:#0E171F; --surface:#15212B; --ink:#E6ECF0; --muted:#97A6B2; --line:#2A3946;
  --steel:#18303F; --steel-ink:#E6ECF0; --amber:#F0B429; --amber-ink:#13202B; --ph:#E3B341;
  --role:#F0B429; color-scheme:dark}}

*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 var(--body);-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto}
a{color:inherit}
:focus-visible{outline:2px solid var(--amber);outline-offset:3px}
.skip{position:absolute;left:-9999px;top:0;background:var(--amber);color:var(--amber-ink);padding:8px 14px;z-index:20}
.skip:focus{left:16px;top:8px}
.wrap{max-width:var(--wrap);margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
h1,h2,h3{font-family:var(--display);text-wrap:balance;margin:0;line-height:1.08}
h1{font-size:clamp(2.2rem,5.4vw,4.1rem);font-weight:800;font-stretch:112%;letter-spacing:-.01em}
h2{font-size:clamp(1.7rem,3.2vw,2.5rem);font-weight:750;font-stretch:108%}
h3{font-size:1.15rem;font-weight:700;font-stretch:104%}
p{margin:0}
.label{font:500 .74rem/1.3 var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.lede{font-size:1.12rem;color:var(--muted);max-width:62ch}
section{padding-block:clamp(56px,8vw,96px)}
.sec-head{display:grid;gap:12px;margin-bottom:40px;max-width:720px}
section[id]{scroll-margin-top:72px}
.band{background:var(--surface);border-block:1px solid var(--line)}

/* header */
header.site{position:sticky;top:0;z-index:9;background:var(--surface);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-block:14px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font:800 1.2rem var(--display);font-stretch:118%;letter-spacing:.02em}
.brand img{display:block;height:34px;width:auto}
footer.site .brand img{height:30px}
.brand-mark{width:28px;height:28px;border-radius:6px;background:var(--steel);display:grid;place-items:center;color:var(--amber);font-size:.95rem}
.menu{display:flex;align-items:center;gap:22px;list-style:none;margin:0;padding:0;font-size:.92rem}
.menu a{text-decoration:none;color:var(--muted)}
.menu a:hover,.menu a[aria-current="page"]{color:var(--ink)}
.menu a[aria-current="page"]{box-shadow:inset 0 -2px 0 var(--amber)}
.has-sub{position:relative}
.sub{display:none;position:absolute;top:100%;left:-16px;min-width:270px;list-style:none;margin:0;padding:8px;background:var(--surface);border:1px solid var(--line);border-radius:6px;box-shadow:0 12px 32px rgba(10,20,30,.12)}
.sub a{display:block;padding:8px 10px;border-radius:4px}
.sub a:hover{background:var(--bg)}
.has-sub:hover .sub,.has-sub:focus-within .sub{display:block}
.has-sub>a::after{content:" ▾";font-size:.75em}
.menu-toggle{display:none;background:none;border:1px solid var(--line);border-radius:4px;padding:8px 12px;font:600 .9rem var(--body);color:var(--ink);cursor:pointer}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 20px;border-radius:4px;font:600 .95rem var(--body);text-decoration:none;border:1px solid transparent;cursor:pointer}
.btn-amber{background:var(--amber);color:var(--amber-ink)}
.btn-amber:hover{filter:brightness(1.06)}
.btn-ghost{border-color:currentColor}
.nav .btn{padding:9px 16px}
@media (max-width:940px){
  .menu-toggle{display:inline-block}
  .nav{flex-wrap:wrap}
  .nav .btn{display:none}
  .menu{display:none;flex-basis:100%;flex-direction:column;align-items:stretch;gap:0;padding-top:8px}
  .menu.open{display:flex}
  .menu>li>a{display:block;padding:12px 0;border-top:1px solid var(--line)}
  .menu a[aria-current="page"]{box-shadow:none;color:var(--amber)}
  .has-sub>a::after{content:""}
  .sub{display:block;position:static;border:0;box-shadow:none;padding:0 0 8px 12px;min-width:0;background:none}
  .sub a{padding:6px 0}
}

/* hero */
.hero{background:var(--steel);color:var(--steel-ink);padding-block:clamp(56px,8vw,104px)}
.hero-grid{display:grid;grid-template-columns:1.25fr .9fr;gap:clamp(32px,5vw,72px);align-items:center}
.hero-grid>*{min-width:0}
.hero .label{color:var(--amber)}
.hero h1{margin:16px 0 20px}
.hero h1 em{font-style:normal;color:var(--amber)}
.hero .lede{color:color-mix(in srgb,var(--steel-ink) 78%,transparent)}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.spec{border:1px solid color-mix(in srgb,var(--steel-ink) 22%,transparent);border-radius:6px;font-family:var(--mono);font-size:.85rem}
.spec-top{display:flex;justify-content:space-between;gap:8px;padding:12px 16px;border-bottom:1px solid color-mix(in srgb,var(--steel-ink) 22%,transparent);color:var(--amber);letter-spacing:.08em;text-transform:uppercase;font-size:.72rem}
.spec dl{margin:0;display:grid;grid-template-columns:auto 1fr}
.spec dt,.spec dd{margin:0;padding:10px 16px;border-bottom:1px dashed color-mix(in srgb,var(--steel-ink) 16%,transparent)}
.spec dt{color:color-mix(in srgb,var(--steel-ink) 60%,transparent)}
.spec dd{text-align:right;color:var(--amber)}
.spec dl>*:nth-last-child(-n+2){border-bottom:0}
@media (max-width:860px){.hero-grid{grid-template-columns:1fr}}

/* inner page hero */
.page-hero{background:var(--steel);color:var(--steel-ink);padding-block:clamp(44px,6vw,72px)}
.page-hero .label{color:var(--amber)}
.page-hero .label a{text-decoration:none}
.page-hero h1{font-size:clamp(2rem,4.4vw,3.2rem);margin:14px 0 16px}
.page-hero .lede{color:color-mix(in srgb,var(--steel-ink) 78%,transparent)}

/* stats */
.stats{background:var(--surface);border-bottom:1px solid var(--line);padding-block:0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:28px 20px 28px 0;display:grid;gap:4px;align-content:start}
.stat+.stat{padding-left:20px;border-left:1px solid var(--line)}
.stat b{font:800 2.2rem/1 var(--display);font-stretch:112%;font-variant-numeric:tabular-nums}
.stat span{color:var(--muted);font-size:.9rem}
@media (max-width:760px){.stats-grid{grid-template-columns:1fr 1fr}.stat:nth-child(3){padding-left:0;border-left:0}.stat:nth-child(n+3){border-top:1px solid var(--line)}}

/* services */
.svc-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:6px;overflow:hidden}
.svc{background:var(--surface);padding:28px;display:flex;flex-direction:column;gap:12px;grid-column:span 2;text-decoration:none;min-width:0}
.svc:nth-child(4),.svc:nth-child(5){grid-column:span 3}
.svc p{color:var(--muted)}
.svc .more{margin-top:auto;padding-top:8px;font-weight:600;font-size:.92rem}
.svc .more::after{content:" →";color:var(--amber)}
a.svc:hover h3{color:var(--amber)}
.tags{margin:0;padding:0;list-style:none;display:flex;flex-wrap:wrap;gap:6px}
.tags li{font:.75rem var(--mono);padding:3px 8px;border:1px solid var(--line);border-radius:3px;color:var(--muted)}
@media (max-width:900px){.svc,.svc:nth-child(4),.svc:nth-child(5){grid-column:span 3}.svc:nth-child(5){grid-column:span 6}}
@media (max-width:560px){.svc,.svc:nth-child(4),.svc:nth-child(5){grid-column:span 6}}

/* lifecycle */
.steps{display:grid;grid-template-columns:repeat(6,1fr);list-style:none;margin:0;padding:0;counter-reset:s}
.steps li{counter-increment:s;padding:20px 16px 0 0;border-top:3px solid var(--line);display:grid;gap:6px;align-content:start}
.steps li::before{content:"0" counter(s);font:500 .78rem var(--mono);color:var(--amber)}
.steps li:first-child{border-top-color:var(--amber)}
.steps b{font-family:var(--display);font-stretch:106%}
.steps span{color:var(--muted);font-size:.9rem}
@media (max-width:900px){.steps{grid-template-columns:repeat(3,1fr);row-gap:28px}}
@media (max-width:520px){.steps{grid-template-columns:1fr 1fr}}

/* customers */
.logos{display:grid;grid-template-columns:repeat(6,1fr);gap:12px}
.logo{aspect-ratio:3/2;max-width:100%;border:1px solid var(--line);border-radius:4px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;text-align:center;padding:14px;font:700 1.15rem/1.2 var(--display);font-stretch:108%;color:var(--logo-ink);background:var(--logo-bg)}
.logo img{max-width:85%;max-height:62%;object-fit:contain}
.logo img.mark{max-height:48%}
@media (max-width:760px){.logos{grid-template-columns:repeat(3,1fr)}}
@media (max-width:420px){.logos{grid-template-columns:repeat(2,1fr)}}

/* team */
.team{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.team .person:first-child{grid-column:1/-1}
@media (max-width:760px){.team{grid-template-columns:1fr}}
.person{display:grid;grid-template-columns:56px 1fr;gap:16px;align-items:start;padding:22px;background:var(--surface);border:1px solid var(--line);border-radius:6px}
.person>div{min-width:0}
.avatar{width:56px;height:56px;border-radius:50%;background:var(--steel);color:var(--amber);display:grid;place-items:center;font:700 1rem var(--display);font-stretch:110%}
.person .role{font:500 .75rem var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--role);margin:2px 0 8px}
.person p{color:var(--muted);font-size:.92rem}

/* expertise */
.spz{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.spz>div{display:grid;gap:12px;align-content:start}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chips span{padding:6px 12px;border-radius:999px;border:1px solid var(--line);background:var(--surface);font-size:.9rem}
@media (max-width:760px){.spz{grid-template-columns:1fr}}

/* service detail */
.detail{display:grid;grid-template-columns:1.4fr .9fr;gap:clamp(32px,5vw,64px);align-items:start}
.detail>*{min-width:0}
.prose{display:grid;gap:18px;max-width:66ch}
.prose h2{font-size:clamp(1.4rem,2.4vw,1.8rem);margin-top:12px}
.checks{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.checks li{padding-left:28px;position:relative}
.checks li::before{content:"";position:absolute;left:0;top:.45em;width:14px;height:8px;border-left:2px solid var(--amber);border-bottom:2px solid var(--amber);transform:rotate(-45deg)}
.aside{background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:24px;display:grid;gap:18px;position:sticky;top:88px}
.aside .group{display:grid;gap:10px}
@media (max-width:860px){.detail{grid-template-columns:1fr}.aside{position:static}}
.other{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.other a{display:block;padding:18px;background:var(--surface);border:1px solid var(--line);border-radius:6px;text-decoration:none;font-weight:600}
.other a:hover{border-color:var(--amber)}
@media (max-width:760px){.other{grid-template-columns:1fr 1fr}}

/* about */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,5vw,64px)}
.split>*{min-width:0}
@media (max-width:860px){.split{grid-template-columns:1fr}}
.values{display:grid;gap:20px}
.values div{display:grid;gap:6px;padding-left:16px;border-left:3px solid var(--amber)}
.values p{color:var(--muted)}

/* CTA band + contact */
.contact{background:var(--steel);color:var(--steel-ink)}
.contact .label{color:var(--amber)}
.contact-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:clamp(32px,5vw,72px)}
.contact-grid>*{min-width:0}
.contact .lede{color:color-mix(in srgb,var(--steel-ink) 78%,transparent);margin-top:14px}
.reach{display:grid;gap:18px;margin-top:32px}
.reach div{display:grid;gap:2px}
.reach .v{font:600 1.2rem var(--display);font-stretch:104%;word-break:break-word;text-decoration:none}
.cta-band{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px}
.cta-band h2{max-width:22ch}
form.enquiry{display:grid;gap:14px;background:var(--surface);color:var(--ink);padding:28px;border-radius:6px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
label{display:grid;gap:6px;font-size:.85rem;font-weight:500}
input,select,textarea{font:inherit;font-size:.95rem;padding:11px 12px;border:1px solid var(--line);border-radius:4px;background:var(--bg);color:var(--ink);width:100%}
textarea{min-height:130px;resize:vertical}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form-msg{font-size:.92rem;padding:10px 12px;border-radius:4px;border:1px solid var(--line)}
.form-msg.err{border-color:#C2410C;color:#C2410C}
.small{font-size:.85rem;color:var(--muted)}
@media (max-width:860px){.contact-grid{grid-template-columns:1fr}}
@media (max-width:480px){.row2{grid-template-columns:1fr}}

/* footer */
footer.site{padding-block:40px 28px;font-size:.9rem;color:var(--muted);border-top:1px solid var(--line);background:var(--surface)}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px;margin-bottom:28px}
.foot-grid ul{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.foot-grid a{text-decoration:none}
.foot-grid a:hover{color:var(--ink)}
.foot-grid h3{font-size:.95rem;color:var(--ink);margin-bottom:10px}
.foot-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;padding-top:20px;border-top:1px solid var(--line)}
@media (max-width:760px){.foot-grid{grid-template-columns:1fr 1fr}.foot-grid>div:first-child{grid-column:1/-1}}