/* ===== BIT — Business Innovation Technology · website styles ===== */
:root{
  --navy:#0F172A; --navy-2:#13203A; --card:#16223C; --line:#24334F;
  --orange:#F97316; --amber:#FBBF24; --peach:#FDBA74; --blue:#378ADD;
  --white:#F8FAFC; --mute:#94A3B8; --mute-2:#8A98AE;
  --ff-display:'Space Grotesk',sans-serif;
  --ff-body:'Inter',sans-serif;
  --ff-mono:'JetBrains Mono',monospace;
  --maxw:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--navy); color:var(--white);
  font-family:var(--ff-body); line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}

/* atmosphere */
body::before{
  content:""; position:fixed; inset:0; z-index:-2;
  background:
    radial-gradient(60% 50% at 85% -5%, rgba(249,115,22,.16), transparent 60%),
    radial-gradient(50% 45% at -5% 100%, rgba(55,138,221,.13), transparent 60%),
    var(--navy);
}
body::after{
  content:""; position:fixed; inset:0; z-index:-1; opacity:.5; pointer-events:none;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(circle at 50% 30%,#000,transparent 75%);
          mask-image:radial-gradient(circle at 50% 30%,#000,transparent 75%);
  opacity:.18;
}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}
.mono{font-family:var(--ff-mono)}
.tag{font-family:var(--ff-mono);font-size:.78rem;letter-spacing:.12em;color:var(--orange);text-transform:uppercase}
.accent{color:var(--orange)}

/* ===== logo mark (data cells) ===== */
.logo{display:flex;align-items:center;gap:11px}
.mark{display:grid;grid-template-columns:repeat(2,9px);grid-template-rows:repeat(2,9px);gap:3px}
.mark i{border:2px solid var(--orange);border-radius:2px}
.mark i.on{background:var(--orange);border-color:var(--orange)}
.logo .name{font-family:var(--ff-display);font-weight:700;font-size:1.3rem;letter-spacing:.02em}
.logo .name b{color:var(--orange);font-weight:700}

/* ===== nav ===== */
header.nav{position:sticky;top:0;z-index:50;backdrop-filter:blur(12px);
  background:rgba(15,23,42,.72);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;gap:18px;height:72px}
.primary-nav{margin-left:auto}
#menu{display:flex;gap:30px;list-style:none;align-items:center}
#menu a{font-size:.92rem;color:var(--mute);transition:color .2s;position:relative}
#menu a:hover{color:var(--white)}
#menu a[aria-current="page"]{color:var(--white)}
#menu a[aria-current="page"]::after{content:"";position:absolute;left:0;right:0;bottom:-26px;height:2px;background:var(--orange)}
.btn{display:inline-flex;align-items:center;gap:8px;font-family:var(--ff-mono);font-size:.85rem;
  padding:11px 18px;border-radius:10px;border:1px solid transparent;transition:.2s;cursor:pointer}
.btn-primary{background:var(--orange);color:#1a1206;font-weight:600}
.btn-primary:hover{background:var(--amber);transform:translateY(-2px)}
.btn-ghost{border-color:var(--line);color:var(--white)}
.btn-ghost:hover{border-color:var(--orange);color:var(--orange)}
.nav-toggle{display:none;background:none;border:0;color:var(--white);font-size:1.5rem;cursor:pointer}

/* ===== sections ===== */
section{padding:96px 0}
.eyebrow{display:inline-flex;align-items:center;gap:9px;margin-bottom:18px}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--orange)}
h1,h2,h3{font-family:var(--ff-display);font-weight:700;line-height:1.08;letter-spacing:-.02em}
h1{font-size:clamp(2.5rem,6vw,4.4rem)}
h2{font-size:clamp(1.9rem,3.6vw,2.9rem)}
h3{font-size:1.25rem}
.lead{color:var(--mute);font-size:1.12rem;max-width:60ch}
.section-head{max-width:64ch;margin-bottom:54px}

/* ===== hero ===== */
.hero{padding:84px 0 70px;position:relative}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.hero h1 span{color:var(--orange)}
.hero .lead{margin:24px 0 34px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.terminal{background:linear-gradient(180deg,var(--navy-2),#0d1830);border:1px solid var(--line);
  border-radius:16px;padding:20px;font-family:var(--ff-mono);font-size:.86rem;box-shadow:0 30px 60px -30px rgba(0,0,0,.7)}
.terminal .bar{display:flex;gap:7px;margin-bottom:16px}
.terminal .bar i{width:11px;height:11px;border-radius:50%;background:var(--line)}
.terminal .bar i:first-child{background:var(--orange)}
.terminal .bar i:nth-child(2){background:var(--amber)}
.terminal .bar i:nth-child(3){background:var(--blue)}
.terminal p{margin:4px 0;color:var(--mute)}
.terminal .c-o{color:var(--orange)} .terminal .c-b{color:var(--blue)} .terminal .c-g{color:var(--peach)}
.cursor{display:inline-block;width:8px;height:1.05em;background:var(--orange);vertical-align:-2px;animation:blink 1.1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}

/* stats strip */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);padding:34px 0;margin-top:8px}
.stat .n{font-family:var(--ff-display);font-size:2.1rem;font-weight:700;color:var(--orange)}
.stat .l{color:var(--mute);font-size:.9rem}

/* ===== cards ===== */
.grid{display:grid;gap:22px}
.g-3{grid-template-columns:repeat(3,1fr)}
.g-2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:30px;
  transition:.25s;position:relative;overflow:hidden}
.card:hover{transform:translateY(-5px);border-color:rgba(249,115,22,.5)}
.card .ic{width:52px;height:52px;border-radius:12px;display:grid;place-items:center;margin-bottom:18px;
  background:rgba(249,115,22,.12);color:var(--orange);font-size:1.4rem}
.card h3{margin-bottom:9px}
.card p{color:var(--mute);font-size:.96rem}
.card .num{position:absolute;top:18px;right:22px;font-family:var(--ff-mono);color:var(--line);font-size:1.1rem}

/* feature list */
.feat{display:flex;gap:16px;align-items:flex-start}
.feat .dot{flex:0 0 auto;width:12px;height:12px;border-radius:3px;background:var(--orange);margin-top:7px}
.feat:nth-child(2) .dot{background:var(--blue)}
.feat:nth-child(3) .dot{background:var(--amber)}
.feat:nth-child(4) .dot{background:var(--peach)}
.feat h3{font-size:1.05rem;margin-bottom:4px}
.feat p{color:var(--mute);font-size:.94rem}

/* CTA band */
.band{background:linear-gradient(120deg,rgba(249,115,22,.14),rgba(55,138,221,.10));
  border:1px solid var(--line);border-radius:22px;padding:54px;text-align:center}
.band h2{margin-bottom:14px}
.band p{color:var(--mute);margin-bottom:26px}

/* ===== footer ===== */
footer{border-top:1px solid var(--line);padding:54px 0 38px;margin-top:30px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px;margin-bottom:36px}
footer .foot-h{font-family:var(--ff-mono);font-size:.78rem;font-weight:500;letter-spacing:.1em;color:var(--mute-2);
  text-transform:uppercase;margin-bottom:16px}
footer ul{list-style:none}
footer ul li{margin-bottom:9px}
footer ul a{color:var(--mute);font-size:.93rem;transition:color .2s}
footer ul a:hover{color:var(--orange)}
.foot-bottom{display:flex;justify-content:space-between;align-items:center;
  border-top:1px solid var(--line);padding-top:22px;color:var(--mute-2);font-size:.85rem;
  font-family:var(--ff-mono);flex-wrap:wrap;gap:10px}

/* page hero (inner pages) */
.phero{padding:64px 0 24px}
.phero h1{font-size:clamp(2.2rem,4.5vw,3.4rem)}
.phero .lead{margin-top:18px}

/* about timeline */
.tl{display:grid;gap:0}
.tl .row{display:grid;grid-template-columns:140px 1fr;gap:24px;padding:26px 0;border-top:1px solid var(--line)}
.tl .row .yr{font-family:var(--ff-mono);color:var(--orange)}
.tl .row h3{margin-bottom:6px}
.tl .row p{color:var(--mute)}

/* values */
.pill{display:inline-block;font-family:var(--ff-mono);font-size:.8rem;padding:6px 12px;border-radius:99px;
  border:1px solid var(--line);color:var(--mute);margin:0 8px 8px 0}

/* portfolio */
.case{background:var(--card);border:1px solid var(--line);border-radius:16px;overflow:hidden;transition:.25s}
.case:hover{transform:translateY(-5px);border-color:rgba(249,115,22,.5)}
.case .top{height:120px;display:grid;place-items:center;font-family:var(--ff-mono);font-size:.8rem;color:var(--mute)}
.case .body{padding:24px}
.case .k{font-family:var(--ff-mono);font-size:.76rem;color:var(--orange);text-transform:uppercase;letter-spacing:.08em}
.case h3{margin:8px 0 8px;font-size:1.15rem}
.case p{color:var(--mute);font-size:.93rem}
.case .metric{margin-top:16px;display:flex;gap:18px}
.case .metric div span{display:block}
.case .metric .mv{font-family:var(--ff-display);font-size:1.3rem;color:var(--white)}
.case .metric .ml{font-size:.78rem;color:var(--mute-2)}

/* contact */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.field{margin-bottom:18px}
.field label{display:block;font-family:var(--ff-mono);font-size:.8rem;color:var(--mute);margin-bottom:7px}
.field input,.field textarea{width:100%;background:var(--navy-2);border:1px solid var(--line);
  border-radius:10px;padding:13px 14px;color:var(--white);font-family:var(--ff-body);font-size:.95rem;transition:.2s}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--orange)}
.field textarea{resize:vertical;min-height:130px}
.info-row{display:flex;gap:14px;align-items:flex-start;margin-bottom:22px}
.info-row .ic{width:42px;height:42px;border-radius:10px;background:rgba(249,115,22,.12);color:var(--orange);
  display:grid;place-items:center;flex:0 0 auto;font-size:1.05rem}
.info-row .l{font-family:var(--ff-mono);font-size:.78rem;color:var(--mute-2)}
.info-row .v{color:var(--white)}

/* reveal animation */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* responsive */
@media(max-width:880px){
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .g-3,.g-2,.foot-grid,.contact-grid,.stats{grid-template-columns:1fr 1fr}
  #menu{display:none}
  .nav-toggle{display:block}
  #menu.open{display:flex;position:absolute;top:72px;left:0;right:0;flex-direction:column;
    align-items:flex-start;background:var(--navy);border-bottom:1px solid var(--line);padding:18px 28px;gap:16px}
  #menu.open a[aria-current="page"]::after{display:none}
}
@media(max-width:560px){
  .g-3,.g-2,.foot-grid,.contact-grid,.stats,.tl .row{grid-template-columns:1fr}
  section{padding:64px 0}
  .band{padding:34px 22px}
}

/* ===== accessibility ===== */
/* screen-reader-only text */
.visually-hidden{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* skip to content */
.skip-link{position:absolute;left:16px;top:-60px;z-index:100;background:var(--orange);color:#1a1206;
  font-family:var(--ff-mono);font-size:.85rem;font-weight:600;padding:10px 16px;border-radius:10px;
  transition:top .2s}
.skip-link:focus{top:14px}

/* visible keyboard focus everywhere */
:focus-visible{outline:2px solid var(--amber);outline-offset:3px;border-radius:6px}
.btn:focus-visible{outline-offset:4px}
.field input:focus-visible,.field textarea:focus-visible{outline:2px solid var(--amber);outline-offset:2px}

/* language switcher */
.lang{display:inline-flex;align-items:center;gap:2px;font-family:var(--ff-mono);font-size:.82rem;
  border:1px solid var(--line);border-radius:8px;overflow:hidden}
.lang a{padding:5px 10px;color:var(--mute);transition:.2s}
.lang a:hover{color:var(--white)}
.lang a[aria-current="true"]{background:rgba(249,115,22,.16);color:var(--orange)}

/* form validation feedback */
.field input:user-invalid,.field textarea:user-invalid{border-color:#f87171}
.form-note{font-size:.84rem;margin-top:14px;font-family:var(--ff-mono)}
.form-note.ok{color:var(--orange)} .form-note.err{color:#f87171}

/* layout utilities (replace inline styles) */
.pt-0{padding-top:0}
.center{text-align:center}

/* footer socials */
.socials{display:flex;gap:12px;margin-top:18px}
.socials a{width:38px;height:38px;border-radius:10px;border:1px solid var(--line);
  display:grid;place-items:center;color:var(--mute);transition:.2s}
.socials a:hover{color:var(--orange);border-color:rgba(249,115,22,.5);transform:translateY(-2px)}
.socials svg{width:18px;height:18px;fill:currentColor}

/* honor reduced-motion preference (WCAG 2.3.3) */
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;
    transition-duration:.001ms!important;scroll-behavior:auto!important}
  .reveal{opacity:1!important;transform:none!important}
  .cursor{animation:none}
}