/* North Byte — styles (light editorial identity) */
@font-face{font-family:"Space Grotesk";src:url("/assets/fonts/space-grotesk-var-latin.woff2") format("woff2");font-weight:300 700;font-style:normal;font-display:swap}
@font-face{font-family:"Inter";src:url("/assets/fonts/inter-var-latin.woff2") format("woff2");font-weight:100 900;font-style:normal;font-display:swap}
@font-face{font-family:"Instrument Serif";src:url("/assets/fonts/instrument-serif-italic-latin.woff2") format("woff2");font-weight:400;font-style:italic;font-display:swap}

:root{
  --ivory:#F6F1E7; --paper:#FBF8F2; --sand:#ECE2CF; --sand-2:#E2D5BC;
  --ink:#0B1B2B; --ink-2:#13283D; --ink-3:#1C3550;
  --text:#0B1B2B; --muted:#55606D; --muted-2:#7A828C;
  --line:rgba(11,27,43,.12); --line-2:rgba(11,27,43,.22);
  --line-dark:rgba(246,241,231,.14);
  --accent:#FF5A1F; --accent-2:#E8460D; --accent-soft:#FFE3D6;
  --display:"Space Grotesk",ui-sans-serif,system-ui,sans-serif;
  --body:"Inter",ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --serif:"Instrument Serif",Georgia,"Times New Roman",serif;
  --radius:6px; --radius-lg:12px;
  --container:1200px;
  --ease:cubic-bezier(.2,.7,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--ivory);color:var(--text);font-family:var(--body);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility;overflow-x:hidden}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
h1,h2,h3{margin:0;font-family:var(--display);line-height:1.08;letter-spacing:-.025em;font-weight:600}
h1 em,h2 em,.footer__big em{font-family:var(--serif);font-style:italic;font-weight:400;letter-spacing:-.01em;color:var(--accent)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
section[id]{scroll-margin-top:72px}
::selection{background:var(--accent);color:#fff}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 28px}
.skip-link{position:absolute;left:-9999px;top:8px;z-index:100;background:var(--ink);color:var(--ivory);padding:10px 14px;border-radius:6px;font-weight:600}
.skip-link:focus{left:8px}
.muted{color:var(--muted)}

/* ---------- Buttons ---------- */
.btn{--h:46px;display:inline-flex;align-items:center;justify-content:center;gap:10px;height:var(--h);padding:0 22px;border-radius:var(--radius);font:inherit;font-family:var(--display);font-weight:600;font-size:15px;letter-spacing:-.005em;border:1.5px solid transparent;cursor:pointer;transition:transform .2s var(--ease),background .2s,border-color .2s,color .2s;white-space:nowrap}
.btn svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;transition:transform .2s var(--ease)}
.btn:hover svg{transform:translateX(3px)}
.btn--sm{--h:40px;padding:0 18px;font-size:14px}
.btn--lg{--h:54px;padding:0 28px;font-size:16px}
.btn--block{width:100%}
.btn--accent{background:var(--accent);color:#fff}
.btn--accent:hover{background:var(--accent-2);transform:translateY(-1px)}
.btn--ink{background:var(--ink);color:var(--ivory)}
.btn--ink:hover{background:var(--ink-3);transform:translateY(-1px)}
.btn--line{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn--line:hover{background:var(--ink);color:var(--ivory)}

/* ---------- Brand ---------- */
.brand{display:inline-flex;align-items:center;gap:11px}
.brand__mark{width:34px;height:34px;flex:none}
.brand__word{font-family:var(--display);font-weight:700;font-size:21px;letter-spacing:-.035em;color:var(--ink)}
.brand--light .brand__word{color:var(--ivory)}

/* ---------- Nav ---------- */
.nav{position:sticky;top:0;z-index:50;background:rgba(246,241,231,.86);backdrop-filter:saturate(140%) blur(12px);-webkit-backdrop-filter:saturate(140%) blur(12px);border-bottom:1px solid transparent;transition:border-color .3s}
.nav.is-scrolled{border-bottom-color:var(--line)}
.nav__inner{display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px}
.nav__links{display:flex;gap:6px;margin-left:auto;margin-right:18px}
.nav__links a{font-size:14.5px;font-weight:500;color:var(--ink);padding:8px 14px;border-radius:999px;transition:background .2s,color .2s}
.nav__links a:hover{background:rgba(11,27,43,.06)}
.nav__links a.is-active{background:var(--ink);color:var(--ivory)}
.nav__actions{display:flex;align-items:center;gap:10px}
.nav__toggle{display:none;width:44px;height:44px;border-radius:var(--radius);border:1.5px solid var(--ink);background:transparent;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:4px;padding:0}
.nav__toggle span{display:block;width:18px;height:2px;background:var(--ink);transition:transform .25s var(--ease),opacity .2s}
.nav__toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav__toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav__toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.mobile-menu{border-top:1px solid var(--line);background:var(--ivory)}
.mobile-menu nav{display:flex;flex-direction:column;padding-top:8px;padding-bottom:22px}
.mobile-menu a:not(.btn){padding:15px 0;border-bottom:1px solid var(--line);font-family:var(--display);font-size:20px;font-weight:500}
.mobile-menu .btn{margin-top:18px}

/* ---------- Hero ---------- */
.hero{position:relative;padding:72px 0 0;overflow:hidden}
.hero__inner{display:grid;grid-template-columns:1.12fr .88fr;gap:56px;align-items:center}
.kicker{display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--ink)}
.kicker__sq{width:10px;height:10px;background:var(--accent)}
.hero__title{margin-top:24px;font-size:clamp(44px,6.4vw,88px);font-weight:600;letter-spacing:-.045em;line-height:.98;color:var(--ink);text-wrap:balance}
.hero__title em{display:inline-block;font-size:1.08em;line-height:.9}
.hero__sub{margin-top:28px;max-width:560px;font-size:clamp(16.5px,1.5vw,19px);color:var(--muted);text-wrap:pretty}
.hero__ctas{margin-top:36px;display:flex;flex-wrap:wrap;gap:12px}

/* Hero visual */
.hero__visual{position:relative;padding:28px 18px 40px}
.board{position:relative;background:var(--ink);color:var(--ivory);border-radius:var(--radius-lg);padding:22px 22px 18px;box-shadow:0 30px 60px -30px rgba(11,27,43,.55)}
.board__head{display:flex;justify-content:space-between;align-items:center;padding-bottom:14px;border-bottom:1px solid var(--line-dark)}
.board__title{font-family:var(--display);font-weight:500;font-size:14px;letter-spacing:.02em;color:rgba(246,241,231,.8)}
.board__dots{display:flex;gap:6px}
.board__dots i{width:8px;height:8px;border-radius:50%;background:rgba(246,241,231,.25)}
.board__dots i:first-child{background:var(--accent)}
.board__chart{width:100%;height:220px;margin-top:16px;overflow:visible}
.board__grid path{stroke:rgba(246,241,231,.09);stroke-width:1;fill:none;vector-effect:non-scaling-stroke}
.board__line{fill:none;stroke:var(--accent);stroke-width:3;stroke-linecap:round;vector-effect:non-scaling-stroke;stroke-dasharray:700;stroke-dashoffset:700;animation:draw 1.8s .5s var(--ease) forwards}
.board__pt{fill:var(--ink);stroke:var(--ivory);stroke-width:2.5;vector-effect:non-scaling-stroke}
.board__pt--hot{fill:var(--accent);stroke:var(--ivory)}
@keyframes draw{to{stroke-dashoffset:0}}
.board__stages{display:grid;grid-template-columns:repeat(3,1fr);margin-top:14px;border-top:1px solid var(--line-dark)}
.board__stages li{padding-top:12px;font-family:var(--display);font-size:15px;font-weight:500}
.board__stages li+li{padding-left:14px;border-left:1px solid var(--line-dark)}
.board__stages b{display:block;font-size:11.5px;font-weight:500;color:var(--accent);letter-spacing:.08em;margin-bottom:2px}
.chip{position:absolute;display:inline-flex;align-items:center;gap:9px;background:var(--paper);border:1px solid var(--line-2);border-radius:999px;padding:9px 15px;font-size:13.5px;font-weight:600;color:var(--ink);box-shadow:0 10px 24px -14px rgba(11,27,43,.4);white-space:nowrap;animation:float 6s ease-in-out infinite}
.chip__ic{color:var(--accent);font-size:11px}
.chip--a{top:0;left:-10px}
.chip--b{top:46%;right:-14px;animation-delay:-2s}
.chip--c{bottom:6px;left:30px;animation-delay:-4s}
@keyframes float{50%{transform:translateY(-6px)}}

/* Ticker */
.ticker{margin-top:88px;background:var(--ink);color:var(--ivory);overflow:hidden;padding:18px 0}
.ticker__track{display:flex;width:max-content;animation:ticker 45s linear infinite}
.ticker:hover .ticker__track{animation-play-state:paused}
.ticker__list{display:flex;align-items:center}
.ticker__list li{display:flex;align-items:center;font-family:var(--display);font-size:19px;font-weight:500;letter-spacing:-.01em;white-space:nowrap;color:rgba(246,241,231,.85)}
.ticker__list li::after{content:"";width:7px;height:7px;background:var(--accent);margin:0 34px}
@keyframes ticker{to{transform:translateX(-50%)}}

/* ---------- Sections ---------- */
.section{position:relative;padding:120px 0;overflow-x:clip}
.section--ink{background:var(--ink);color:var(--ivory)}
.section--sand{background:var(--sand)}
.split-head{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:end;padding-bottom:40px;margin-bottom:56px;border-bottom:1.5px solid var(--ink)}
.eyebrow{display:inline-flex;align-items:center;gap:12px;font-size:13px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--ink);margin-bottom:18px}
.eyebrow span{display:inline-grid;place-items:center;min-width:30px;height:22px;padding:0 6px;background:var(--accent);color:#fff;font-family:var(--display);font-size:12px;letter-spacing:.02em;border-radius:3px}
.eyebrow--light{color:var(--ivory)}
.section__title{font-size:clamp(34px,4.4vw,58px);letter-spacing:-.04em;line-height:1.02;text-wrap:balance}
.section__sub{font-size:clamp(16px,1.35vw,18px);color:var(--muted);text-wrap:pretty}
.section--ink .section__sub{color:rgba(246,241,231,.72)}

/* Services: editorial grid with hairlines */
.services{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}
.service{position:relative;padding:34px 32px 36px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:transparent;transition:background .3s var(--ease)}
.service::after{content:"";position:absolute;left:0;top:0;height:3px;width:0;background:var(--accent);transition:width .45s var(--ease)}
.service:hover{background:var(--paper)}
.service:hover::after{width:100%}
.service__top{display:flex;justify-content:space-between;align-items:center;margin-bottom:34px}
.service__num{font-family:var(--display);font-weight:500;font-size:14px;color:var(--muted-2);letter-spacing:.04em}
.service__icon,.value__icon{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;border:1.5px solid var(--ink);transition:background .3s,border-color .3s}
.service:hover .service__icon{background:var(--accent);border-color:var(--accent)}
.service:hover .service__icon svg{stroke:#fff}
.service__icon svg,.value__icon svg,.tile__icon svg,.info-row__icon svg,.trust svg{width:21px;height:21px;fill:none;stroke:var(--ink);stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;transition:stroke .3s}
.service h3{font-size:23px;letter-spacing:-.03em}
.service p{margin-top:12px;color:var(--muted);font-size:15px}
.tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:22px}
.tags li{font-size:12.5px;font-weight:500;color:var(--ink);padding:4px 10px;border-radius:3px;background:var(--sand)}

/* AI (dark) */
.ai{display:grid;grid-template-columns:1.1fr .9fr;gap:72px;align-items:center}
.ai .section__title{color:var(--ivory)}
.ai .section__sub{margin-top:22px;max-width:560px}
.checks{margin:32px 0 38px;border-top:1px solid var(--line-dark)}
.checks li{position:relative;padding:13px 0 13px 34px;border-bottom:1px solid var(--line-dark);color:rgba(246,241,231,.92)}
.checks li::before{content:"";position:absolute;left:0;top:50%;width:18px;height:2px;background:var(--accent)}
.ai__tiles{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.tile{padding:28px 24px;border-radius:var(--radius-lg);background:var(--ink-2);border:1px solid var(--line-dark);transition:transform .35s var(--ease),border-color .35s,background .35s}
.tile:hover{transform:translateY(-4px);border-color:var(--accent)}
.tile:nth-child(1){background:var(--accent);border-color:var(--accent)}
.tile:nth-child(1) .tile__icon{border-color:rgba(255,255,255,.6)}
.tile:nth-child(1) .tile__icon svg{stroke:#fff}
.tile:nth-child(1) p{color:rgba(255,255,255,.88)}
.tile:nth-child(4){background:var(--ivory);color:var(--ink)}
.tile:nth-child(4) .tile__icon{border-color:var(--ink)}
.tile:nth-child(4) .tile__icon svg{stroke:var(--ink)}
.tile:nth-child(4) p{color:var(--muted)}
.tile__icon{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;border:1.5px solid rgba(246,241,231,.4);margin-bottom:40px}
.tile__icon svg{stroke:var(--ivory)}
.tile h3{font-size:20px}
.tile p{margin-top:6px;font-size:14px;color:rgba(246,241,231,.66)}

/* About */
.values{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.value{padding:6px 28px 8px;border-left:1px solid var(--line)}
.value:first-child{padding-left:0;border-left:0}
.value__icon{margin-bottom:26px;background:var(--paper)}
.value h3{font-size:20px;letter-spacing:-.025em}
.value p{margin-top:10px;color:var(--muted);font-size:15px}
.trust{margin-top:64px;display:flex;flex-wrap:wrap;gap:10px}
.trust li{display:inline-flex;align-items:center;gap:9px;padding:9px 16px;border-radius:999px;border:1px solid var(--line-2);background:var(--paper);font-size:14px;font-weight:500;color:var(--ink)}
.trust svg{width:17px;height:17px;stroke:var(--accent)}

/* Contact */
.contact{display:grid;grid-template-columns:.95fr 1.05fr;gap:72px;align-items:start}
.contact .section__sub{margin:22px 0 36px;max-width:520px}
.info-row{display:flex;align-items:center;gap:16px;padding:18px 0;border-top:1px solid var(--line-2)}
.info-row:last-child{border-bottom:1px solid var(--line-2)}
.info-row__icon{width:46px;height:46px;flex:none;border-radius:50%;display:grid;place-items:center;background:var(--ink)}
.info-row__icon svg{stroke:var(--ivory)}
a.info-row:hover .info-row__value{color:var(--accent-2)}
.info-row__label{display:block;font-size:13px;color:var(--muted);font-weight:500}
.info-row__value{display:block;font-family:var(--display);font-weight:600;font-size:20px;letter-spacing:-.02em;word-break:break-word;transition:color .2s}
.info-row__value--sm{font-family:var(--body);font-size:15.5px;font-weight:500;letter-spacing:0}
.form-card{padding:40px;border-radius:var(--radius-lg);background:var(--paper);border:1px solid var(--line-2);box-shadow:0 30px 60px -40px rgba(11,27,43,.45)}
.form-card h3{font-size:26px;letter-spacing:-.03em}
.form-card>.muted{margin-top:6px;font-size:15px}
.form{margin-top:28px;display:grid;gap:18px}
.form__row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:grid;gap:7px}
.field label{font-size:13.5px;font-weight:600;color:var(--ink)}
.opt{color:var(--muted-2);font-weight:400}
.field input,.field textarea{width:100%;font:inherit;font-size:15.5px;color:var(--ink);background:#fff;border:1.5px solid var(--line-2);border-radius:var(--radius);padding:12px 14px;transition:border-color .2s,box-shadow .2s;resize:vertical}
.field textarea{min-height:130px}
.field input::placeholder,.field textarea::placeholder{color:var(--muted-2)}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--ink);box-shadow:0 0 0 3px rgba(255,90,31,.22)}
.field.is-invalid input,.field.is-invalid textarea{border-color:#D92D20;box-shadow:0 0 0 3px rgba(217,45,32,.12)}
.hp{position:absolute!important;left:-10000px!important;width:1px;height:1px;overflow:hidden}
.spinner{display:none;width:18px;height:18px;border-radius:50%;border:2px solid rgba(246,241,231,.3);border-top-color:var(--ivory);animation:spin .7s linear infinite}
.is-loading .spinner{display:inline-block}
.is-loading{pointer-events:none;opacity:.85}
@keyframes spin{to{transform:rotate(360deg)}}
.form__status{font-size:14.5px;border-radius:var(--radius)}
.form__status:empty{display:none}
.form__status.is-success{padding:12px 14px;background:#E6F4EA;border:1px solid #9CCFAE;color:#14532D}
.form__status.is-error{padding:12px 14px;background:#FDECEA;border:1px solid #F3B1AA;color:#8A1C12}
.form__note{font-size:13px;color:var(--muted);text-align:center}
.form__note a,.modal a{color:var(--accent-2);text-decoration:underline;text-underline-offset:2px}

/* Footer (dark) */
.footer{background:var(--ink);color:var(--ivory);padding:80px 0 40px}
.footer__big{font-family:var(--display);font-weight:600;font-size:clamp(40px,8.4vw,120px);letter-spacing:-.05em;line-height:.95;padding-bottom:56px;margin-bottom:44px;border-bottom:1px solid var(--line-dark)}
.footer__top{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.footer__links{display:flex;flex-wrap:wrap;gap:10px 28px}
.footer__links a{font-size:14.5px;color:rgba(246,241,231,.72);transition:color .2s}
.footer__links a:hover{color:var(--accent)}
.footer__bottom{margin-top:36px;padding-top:26px;border-top:1px solid var(--line-dark);display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px 32px;font-size:13px;color:rgba(246,241,231,.55)}
.footer__bottom p:first-child{max-width:640px}

/* Modal */
.modal{width:min(720px,calc(100% - 32px));max-height:min(82vh,840px);padding:0;border:1px solid var(--line-2);border-radius:var(--radius-lg);background:var(--paper);color:var(--ink);box-shadow:0 40px 100px -30px rgba(11,27,43,.6)}
.modal::backdrop{background:rgba(11,27,43,.55);backdrop-filter:blur(3px)}
.modal[open]{animation:modalIn .3s var(--ease)}
.modal__inner{position:relative;padding:44px}
.modal h2{font-size:32px;letter-spacing:-.035em;padding-right:44px}
.modal h3{font-size:17px;margin:26px 0 6px}
.modal p{color:#3C4652;font-size:15px}
.modal .muted{margin:6px 0 18px;font-size:13px;color:var(--muted)}
.modal__close{position:absolute;top:18px;right:18px;width:40px;height:40px;border-radius:50%;border:1.5px solid var(--ink);background:transparent;color:var(--ink);font-size:24px;line-height:1;cursor:pointer;transition:background .2s,color .2s}
.modal__close:hover{background:var(--ink);color:var(--ivory)}
@keyframes modalIn{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}

/* ---------- Animations ---------- */
.rise{animation:rise .9s var(--ease) both}
.rise-0{animation-delay:.02s}.rise-1{animation-delay:.1s}.rise-2{animation-delay:.2s}.rise-3{animation-delay:.3s}
@keyframes rise{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
.js .reveal{opacity:0;transform:translateY(24px);transition:opacity .8s var(--ease),transform .8s var(--ease),background .3s var(--ease)}
.js .reveal.is-visible{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media (max-width:1080px){
  .hero__inner{grid-template-columns:1fr;gap:40px}
  .hero__visual{max-width:560px}
  .services{grid-template-columns:repeat(2,1fr)}
  .values{grid-template-columns:repeat(2,1fr);row-gap:40px}
  .value:nth-child(3){padding-left:0;border-left:0}
  .ai,.contact{gap:48px}
}
@media (max-width:880px){
  .nav__links,.nav__cta{display:none}
  .nav__toggle{display:inline-flex}
  .ai,.contact,.split-head{grid-template-columns:1fr}
  .split-head{gap:20px}
  .section{padding:88px 0}
}
@media (max-width:640px){
  .container{padding:0 20px}
  .hero{padding-top:44px}
  .hero__ctas{flex-direction:column}
  .hero__ctas .btn{width:100%}
  .hero__visual{padding:22px 0 34px}
  .chip{font-size:12.5px;padding:7px 12px}
  .chip--a{left:4px}.chip--b{right:-4px}.chip--c{left:14px}
  .board__chart{height:170px}
  .ticker{margin-top:56px;padding:14px 0}
  .ticker__list li{font-size:16px}
  .ticker__list li::after{margin:0 24px}
  .services{grid-template-columns:1fr}
  .service{padding:28px 22px 30px}
  .values{grid-template-columns:1fr}
  .value,.value:nth-child(3){padding:0 0 32px;border-left:0;border-bottom:1px solid var(--line)}
  .value:last-child{border-bottom:0;padding-bottom:0}
  .section{padding:72px 0}
  .split-head{margin-bottom:40px;padding-bottom:28px}
  .ai__tiles{gap:10px}
  .tile{padding:20px 18px}
  .tile__icon{margin-bottom:26px}
  .tile h3{font-size:17px}
  .form-card{padding:26px 20px}
  .form__row{grid-template-columns:1fr}
  .footer{padding-top:60px}
  .footer__top{flex-direction:column;align-items:flex-start}
  .modal__inner{padding:30px 22px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  .board__line{stroke-dashoffset:0}
  .js .reveal{opacity:1;transform:none}
}