/* ============================================================
   FBNS marketing site
   Type: Geist (display + body), Geist Mono (numbers)
   Radius system: pills for interactive controls, 18px surfaces, 10px inputs
   Z-scale: nav 50, mobile menu 49, skip-link 100
   ============================================================ */

@font-face{
  font-family:"Geist";
  src:url("../fonts/geist-latin.woff2") format("woff2");
  font-weight:100 900;font-style:normal;font-display:swap;
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+20AC,U+2122,U+2212,U+FEFF,U+FFFD;
}
@font-face{
  font-family:"Geist";
  src:url("../fonts/geist-latin-ext.woff2") format("woff2");
  font-weight:100 900;font-style:normal;font-display:swap;
  unicode-range:U+0100-02BA,U+1E00-1E9F,U+2020,U+20A0-20C0;
}
@font-face{
  font-family:"Geist Mono";
  src:url("../fonts/geist-mono-latin.woff2") format("woff2");
  font-weight:100 900;font-style:normal;font-display:swap;
  unicode-range:U+0000-00FF,U+2000-206F;
}

:root{
  --bg:#F5F6F9;
  --surface:#FFFFFF;
  --surface-2:#ECEDF3;
  --ink:#1B193E;             /* brand navy */
  --muted:#55536E;
  --line:#E2E1EC;
  --accent:#007F78;          /* buttons, links: ~4.7:1 on white  */
  --accent-strong:#006B65;
  --accent-bright:#00A099;   /* brand teal, graphics only        */
  --accent-soft:rgba(0,160,153,.12);
  --on-accent:#FFFFFF;
  --shadow:0 18px 45px -18px rgba(27,25,62,.20);
  --r-surface:18px;
  --r-input:10px;
}
:root[data-theme="dark"]{
  --bg:#100E24;
  --surface:#1B193E;         /* brand navy */
  --surface-2:#252350;
  --ink:#ECECF4;
  --muted:#A3A2C0;
  --line:#2E2C55;
  --accent:#21C9BA;
  --accent-strong:#45D6C9;
  --accent-bright:#26C6B8;
  --accent-soft:rgba(38,198,184,.14);
  --on-accent:#08221F;
  --shadow:0 18px 45px -18px rgba(0,0,0,.55);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font:400 16px/1.6 "Geist",system-ui,-apple-system,"Segoe UI",sans-serif;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block}
h1,h2,h3{margin:0;line-height:1.12;letter-spacing:-.02em;text-wrap:balance}
p{margin:0}
a{color:var(--accent);text-decoration:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}

.container{max-width:1180px;margin-inline:auto;padding-inline:clamp(20px,4vw,40px)}
.container--narrow{max-width:820px}

.skip-link{
  position:fixed;top:-60px;left:16px;z-index:100;
  background:var(--accent);color:var(--on-accent);
  padding:10px 18px;border-radius:999px;transition:top .2s;
}
.skip-link:focus{top:12px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;white-space:nowrap;
  border:0;border-radius:999px;cursor:pointer;
  font:500 15px/1 "Geist",sans-serif;padding:12px 22px;
  transition:transform .18s cubic-bezier(.16,1,.3,1),box-shadow .18s,background .18s,color .18s;
}
.btn--lg{padding:15px 28px;font-size:16px}
.btn--primary{background:var(--accent);color:var(--on-accent)}
.btn--primary:hover{background:var(--accent-strong);transform:translateY(-1px)}
.btn--primary:active{transform:translateY(0) scale(.98)}
.btn--ghost{background:transparent;color:var(--ink);box-shadow:inset 0 0 0 1.5px var(--line)}
.btn--ghost:hover{box-shadow:inset 0 0 0 1.5px var(--accent);color:var(--accent);transform:translateY(-1px)}
.btn--ghost:active{transform:scale(.98)}
.btn svg{width:18px;height:18px;fill:currentColor}

.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:999px;border:1.5px solid var(--line);
  background:transparent;color:var(--ink);cursor:pointer;
  transition:border-color .18s,color .18s,transform .18s;
}
.icon-btn:hover{border-color:var(--accent);color:var(--accent)}
.icon-btn:active{transform:scale(.94)}
.icon-btn svg{width:20px;height:20px;fill:currentColor}
.icon-btn[disabled]{opacity:.35;pointer-events:none}

/* ---------- nav ---------- */
.nav{
  position:sticky;top:0;z-index:50;
  background:color-mix(in srgb,var(--bg) 82%,transparent);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav__inner{display:flex;align-items:center;gap:28px;height:68px}
.nav__brand{display:flex;align-items:center;gap:10px;font:600 19px/1 "Geist",sans-serif;color:var(--ink);letter-spacing:.02em}
.nav__logo{display:block;height:28px;width:auto}
.nav__logo--dark{display:none}                                   /* light theme shows the dark-ink lockup */
:root[data-theme="dark"] .nav__logo--light{display:none}
:root[data-theme="dark"] .nav__logo--dark{display:block}          /* dark theme shows the white lockup */
.nav__links{display:flex;gap:26px;margin-left:auto}
.nav__links a{color:var(--muted);font-size:15px;transition:color .15s}
.nav__links a:hover{color:var(--ink)}
.nav__actions{display:flex;align-items:center;gap:12px}
.nav__burger{display:none}
.i-moon,.i-x{display:none}
:root[data-theme="dark"] .i-sun{display:none}
:root[data-theme="dark"] .i-moon{display:block}
.nav[data-open="true"] .i-list{display:none}
.nav[data-open="true"] .i-x{display:block}

/* ---------- hero ---------- */
.hero{padding:clamp(48px,7vh,84px) 0 clamp(40px,6vh,64px);overflow:hidden}
.hero__grid{
  display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);
  gap:clamp(28px,5vw,72px);align-items:center;
}
.hero h1{
  font-size:clamp(32px,3.9vw,52px);font-weight:600;max-width:20ch;
}
.hero h1 em{font-style:italic;color:var(--accent);padding-right:.04em}
.hero__sub{margin-top:20px;font-size:clamp(16px,1.4vw,19px);color:var(--muted);max-width:46ch}
.hero__ctas{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero__visual{
  background:linear-gradient(150deg,var(--accent-soft),transparent 70%);
  border:1px solid var(--line);border-radius:var(--r-surface);
  padding:clamp(14px,2vw,26px);
}
.hero__visual img{width:100%;border-radius:10px}

/* stats band */
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:var(--r-surface);
  overflow:hidden;margin:clamp(44px,7vh,72px) 0 0;padding:0;
}
.stats__item{background:var(--surface);padding:26px 28px;margin:0}
.stats__item dt{
  font:500 clamp(26px,2.6vw,36px)/1.1 "Geist Mono",ui-monospace,monospace;
  letter-spacing:-.04em;color:var(--ink);
}
.stats__item dd{margin:6px 0 0;color:var(--muted);font-size:14.5px}

/* ---------- tech marquee ---------- */
.tech{padding:clamp(30px,4vh,44px) 0 0}
.tech__note{color:var(--muted);font-size:14px;margin-bottom:16px}
.marquee{overflow:hidden;position:relative;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);
  mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);
}
.marquee__track{display:flex;gap:14px;width:max-content;animation:marquee 34s linear infinite}
.marquee:hover .marquee__track{animation-play-state:paused}
@keyframes marquee{to{transform:translateX(-50%)}}
.tech-pill{
  display:inline-flex;align-items:center;gap:10px;white-space:nowrap;
  padding:11px 20px;border:1px solid var(--line);border-radius:999px;
  background:var(--surface);color:var(--ink);font-size:15px;font-weight:500;
}
.tech-pill svg{width:20px;height:20px;fill:var(--accent)}

/* ---------- sections ---------- */
.section{padding:clamp(64px,10vh,112px) 0}
.section--alt{background:
  linear-gradient(var(--surface-2),var(--surface-2)) no-repeat;
  background-size:100% 100%;
}
:root[data-theme="dark"] .section--alt{background:linear-gradient(#16142F,#16142F)}
.section__title{font-size:clamp(28px,3.2vw,42px);font-weight:600;margin-bottom:clamp(32px,5vh,52px)}

/* ---------- services ---------- */
.svc-flag{
  display:grid;grid-template-columns:minmax(0,6fr) minmax(0,5fr);gap:clamp(24px,4vw,56px);
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-surface);
  padding:clamp(24px,3.4vw,48px);align-items:center;box-shadow:var(--shadow);
}
.svc-flag__icon{
  display:inline-flex;width:46px;height:46px;border-radius:12px;
  background:var(--accent-soft);align-items:center;justify-content:center;margin-bottom:18px;
}
.svc-flag__icon svg{width:24px;height:24px;fill:var(--accent)}
.svc-flag h3{font-size:clamp(22px,2.2vw,30px);font-weight:600}
.svc-flag p{margin-top:14px;color:var(--muted);max-width:58ch}
.svc-flag__visual img{border-radius:12px}
.qa-list{
  list-style:none;margin:0;padding:clamp(20px,2.4vw,32px);
  display:grid;grid-template-columns:1fr 1fr;gap:14px 20px;
  background:linear-gradient(150deg,var(--accent-soft),transparent 75%);
  border:1px solid var(--line);border-radius:14px;
}
.qa-list li{display:flex;align-items:center;gap:10px;font-size:15px;font-weight:500}
.qa-list svg{
  width:22px;height:22px;flex-shrink:0;padding:4px;border-radius:999px;
  background:var(--accent);fill:var(--on-accent);
}
.svc-pair{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:22px}
.svc-card{
  border-radius:var(--r-surface);border:1px solid var(--line);overflow:hidden;
  background:var(--surface);display:flex;flex-direction:column;
  transition:transform .25s cubic-bezier(.16,1,.3,1),box-shadow .25s;
}
.svc-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.svc-card img{width:100%;aspect-ratio:16/10;object-fit:cover;object-position:top}
.svc-card__body{padding:clamp(20px,2.4vw,32px)}
.svc-card h3{font-size:clamp(20px,1.9vw,25px);font-weight:600}
.svc-card p{margin-top:12px;color:var(--muted)}
.svc-card--dark{background:#1B193E;border-color:#2E2C55}
.svc-card--dark h3{color:#ECECF4}
.svc-card--dark p{color:#A3A2C0}
/* light theme: this card body becomes light like the others (dark image stays on top) */
:root:not([data-theme="dark"]) .svc-card--dark{background:var(--surface);border-color:var(--line)}
:root:not([data-theme="dark"]) .svc-card--dark h3{color:var(--ink)}
:root:not([data-theme="dark"]) .svc-card--dark p{color:var(--muted)}
:root:not([data-theme="dark"]) .svc-card--dark .svc-flag__icon{background:var(--accent-soft)}
:root:not([data-theme="dark"]) .svc-card--dark .svc-flag__icon svg{fill:var(--accent)}
.svc-card--dark .svc-flag__icon{background:rgba(38,198,184,.16)}
.svc-card--dark .svc-flag__icon svg{fill:#26C6B8}
.svc-card--tint{background:linear-gradient(165deg,var(--accent-soft),transparent 55%),var(--surface)}

/* ---------- bento (why) ---------- */
.bento{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.bento__cell{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-surface);
  padding:clamp(22px,2.6vw,34px);
}
.bento__cell>svg{width:28px;height:28px;fill:var(--accent);margin-bottom:16px}
.bento__cell h3{font-size:19px;font-weight:600;letter-spacing:-.01em}
.bento__cell p{margin-top:10px;color:var(--muted);font-size:15px}
.bento__cell--wide{grid-column:span 2}
.bento__cell--grad{
  background:linear-gradient(135deg,var(--accent-soft) 0%,transparent 60%),var(--surface);
}
.bento__cell--dark{
  background:linear-gradient(135deg,var(--accent-soft),transparent 60%),var(--surface);
  border-color:color-mix(in srgb,var(--accent) 22%,var(--line));
}
.bento__cell--dark h3{color:var(--ink)}
.bento__cell--dark p{color:var(--muted)}
.bento__cell--dark>svg{fill:var(--accent)}
:root[data-theme="dark"] .bento__cell--dark{
  background:linear-gradient(135deg,rgba(38,198,184,.16),transparent 60%),#201E45;
  border-color:#34315F;
}
:root[data-theme="dark"] .bento__cell--grad{
  background:linear-gradient(135deg,rgba(38,198,184,.12) 0%,transparent 60%),var(--surface);
  border-color:#34315F;
}
.bento__cell--tint{
  grid-column:1 / -1;display:flex;gap:22px;align-items:center;
  background:
    radial-gradient(420px 180px at 92% 50%,var(--accent-soft),transparent 70%),
    var(--surface);
}
.bento__cell--tint>svg{margin-bottom:0;flex-shrink:0}
.bento__cell--full h3{font-size:19px}

/* ---------- process steps ---------- */
.steps{
  list-style:none;margin:0;padding:0;
  display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(20px,3vw,36px);
  counter-reset:step;position:relative;
}
.steps::before{
  content:"";position:absolute;top:23px;left:4%;right:4%;height:1.5px;
  background:var(--line);
}
.steps__item{position:relative;z-index:1;padding-top:0}
.steps__num{
  display:inline-flex;align-items:center;justify-content:center;
  width:46px;height:46px;border-radius:999px;position:relative;z-index:2;
  background:var(--accent);color:var(--on-accent);
  font:500 15px/1 "Geist Mono",ui-monospace,monospace;
  margin-bottom:18px;
}
.steps__item h3{font-size:18.5px;font-weight:600}
.steps__item p{margin-top:10px;color:var(--muted);font-size:15px}
.steps__item strong{color:var(--accent);font-weight:600}

/* ---------- cases carousel ---------- */
.cases__head{display:flex;align-items:flex-start;justify-content:space-between;gap:20px}
.cases__nav{display:flex;gap:10px}
.cases{
  --case-pad:clamp(20px,calc((100vw - 1180px)/2 + 40px),20vw);
  display:flex;gap:18px;overflow-x:auto;scroll-snap-type:x mandatory;
  scroll-padding-inline:var(--case-pad);
  padding:4px 0 26px;scrollbar-width:none;
}
.cases::before,.cases::after{content:"";flex:0 0 calc(var(--case-pad) - 18px)}
.cases::-webkit-scrollbar{display:none}
.case{
  flex:0 0 min(400px,82vw);scroll-snap-align:start;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-surface);
  padding:clamp(22px,2.4vw,32px);display:flex;flex-direction:column;
}
.case__tag{
  align-self:flex-start;font:500 12.5px/1 "Geist Mono",ui-monospace,monospace;
  letter-spacing:.02em;color:var(--accent);
  border:1px solid color-mix(in srgb,var(--accent) 35%,transparent);
  padding:7px 12px;border-radius:999px;margin-bottom:18px;
}
.case h3{font-size:20px;font-weight:600}
.case p{margin-top:12px;color:var(--muted);font-size:15px}
.case__result{
  margin-top:auto;padding-top:18px;color:var(--ink);font-weight:500;
}
.case__result::before{
  content:"Result";display:block;font:500 12px/1 "Geist Mono",ui-monospace,monospace;
  color:var(--accent);letter-spacing:.04em;margin-bottom:6px;
}

/* ---------- quotes ---------- */
.quotes{display:grid;grid-template-columns:1fr 1fr;gap:0;border-top:1px solid var(--line)}
.quote{
  margin:0;padding:clamp(26px,3vw,40px) clamp(4px,2vw,36px);
  border-bottom:1px solid var(--line);
}
.quote:nth-child(odd){border-right:1px solid var(--line);padding-left:0}
.quote:nth-child(even){padding-right:0}
.quote blockquote{margin:0;font-size:clamp(16.5px,1.5vw,19px);line-height:1.55;letter-spacing:-.01em}
.quote figcaption{margin-top:16px;color:var(--muted);font-size:14.5px}
.quote figcaption::before{content:"";display:inline-block;width:22px;height:1.5px;background:var(--accent);vertical-align:middle;margin-right:10px}

/* ---------- faq ---------- */
.faq{display:grid;grid-template-columns:1fr 1fr;gap:18px;align-items:start}
.faq__col{display:flex;flex-direction:column;gap:14px}
.faq details{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-surface);
  padding:0 clamp(18px,2vw,26px);overflow:hidden;
}
.faq summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  cursor:pointer;list-style:none;padding:19px 0;
  font-weight:500;font-size:16.5px;letter-spacing:-.01em;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary svg{width:19px;height:19px;fill:var(--muted);flex-shrink:0;transition:transform .25s cubic-bezier(.16,1,.3,1)}
.faq details[open] summary svg{transform:rotate(45deg);fill:var(--accent)}
.faq details p{color:var(--muted);padding:0 0 20px;max-width:64ch}

/* ---------- contact ---------- */
.contact{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:clamp(32px,5vw,72px);align-items:start}
.contact__copy h2{font-size:clamp(28px,3.2vw,42px);font-weight:600}
.contact__copy>p{margin-top:16px;color:var(--muted);max-width:40ch}
.contact__email{
  display:inline-flex;align-items:center;gap:10px;margin-top:28px;
  font-weight:500;font-size:16.5px;
}
.contact__email svg{width:20px;height:20px;fill:currentColor}
.contact__email:hover{color:var(--accent-strong)}

.form{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-surface);
  padding:clamp(22px,3vw,36px);box-shadow:var(--shadow);
}
.form__row{display:flex;flex-direction:column;gap:8px;margin-bottom:18px}
.form label{font-weight:500;font-size:14.5px}
.form__optional{color:var(--muted);font-weight:400}
.form input[type=text],.form input[type=email],.form select,.form textarea{
  width:100%;border:1.5px solid var(--line);border-radius:var(--r-input);
  background:var(--bg);color:var(--ink);
  font:400 15.5px/1.4 "Geist",sans-serif;padding:12px 14px;
  transition:border-color .15s;
}
.form ::placeholder{color:color-mix(in srgb,var(--muted) 75%,transparent)}
.form input:focus,.form select:focus,.form textarea:focus{outline:none;border-color:var(--accent)}
.form textarea{resize:vertical;min-height:96px}
/* custom select chevron with comfortable right spacing */
.form select{
  appearance:none;-webkit-appearance:none;-moz-appearance:none;
  padding-right:46px;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2355536E' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 18px center;
}
:root[data-theme="dark"] .form select{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23A3A2C0' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
}

/* ---------- custom rounded dropdown ---------- */
.cselect{position:relative}
.cselect > select{display:none}                    /* hidden but still submitted with the form */
.cselect__trigger{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:10px;
  border:1.5px solid var(--line);border-radius:var(--r-input);
  background:var(--bg);color:var(--ink);text-align:left;
  font:400 15.5px/1.4 "Geist",sans-serif;padding:12px 16px;cursor:pointer;
  transition:border-color .15s;
}
.cselect__trigger:focus-visible{outline:none;border-color:var(--accent)}
.cselect[data-open="true"] .cselect__trigger{border-color:var(--accent)}
.cselect__chev{
  width:16px;height:16px;flex-shrink:0;fill:none;stroke:var(--muted);
  stroke-width:2.5;stroke-linecap:round;stroke-linejoin:round;transition:transform .2s;
}
.cselect[data-open="true"] .cselect__chev{transform:rotate(180deg)}
.cselect__list{
  position:absolute;left:0;right:0;top:calc(100% + 8px);z-index:20;
  margin:0;padding:6px;list-style:none;
  background:var(--surface);border:1px solid var(--line);border-radius:14px;
  box-shadow:var(--shadow);max-height:260px;overflow:auto;
  opacity:0;transform:translateY(-6px);pointer-events:none;
  transition:opacity .16s,transform .16s;
}
.cselect[data-open="true"] .cselect__list{opacity:1;transform:translateY(0);pointer-events:auto}
.cselect__opt{
  padding:11px 14px;border-radius:10px;cursor:pointer;font-size:15px;color:var(--ink);
  transition:background .12s,color .12s;
}
.cselect__opt.is-active{background:var(--accent-soft);color:var(--accent-strong)}
.cselect__opt[aria-selected="true"]{background:var(--accent);color:var(--on-accent);font-weight:500}
.cselect__opt[aria-selected="true"].is-active{background:var(--accent-strong);color:var(--on-accent)}
.form__error{display:none;color:#B3261E;font-size:13.5px}
:root[data-theme="dark"] .form__error{color:#F2938C}
.form__row.is-invalid input{border-color:#B3261E}
.form__row.is-invalid .form__error{display:block}
.form__submit{width:100%;justify-content:center;position:relative}
.form__submit-busy{display:none}
.form[data-busy="true"] .form__submit-label{display:none}
.form[data-busy="true"] .form__submit-busy{display:inline}
.form__status{margin-top:14px;font-size:14.5px;display:none}
.form__status.is-ok{display:block;color:var(--accent)}
.form__status.is-err{display:block;color:#B3261E}
:root[data-theme="dark"] .form__status.is-err{color:#F2938C}

/* ---------- footer ---------- */
.footer{border-top:1px solid var(--line);padding:44px 0}
.footer__inner{display:flex;flex-wrap:wrap;gap:28px;align-items:flex-start;justify-content:space-between}
.footer__brand p{color:var(--muted);font-size:14.5px;margin-top:12px;max-width:30ch}
.footer__links{display:flex;flex-wrap:wrap;gap:18px}
.footer__links a{color:var(--muted);font-size:14.5px}
.footer__links a:hover{color:var(--ink)}
.footer__meta{color:var(--muted);font-size:13.5px}

/* ---------- reveal on scroll (states are set by GSAP; static-visible without JS) ---------- */
.reveal{will-change:auto}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .marquee__track{animation:none;flex-wrap:wrap;width:auto}
  .marquee__dup{display:none!important}
  .marquee{mask-image:none;-webkit-mask-image:none}
  .btn,.icon-btn,.svc-card{transition:none}
  .hero__blob{animation:none}
}
.marquee__dup{display:contents}

/* ============================================================
   MOTION & DEPTH LAYER
   ============================================================ */

/* scroll progress bar (z 70) */
.progress{position:fixed;top:0;left:0;right:0;height:2.5px;z-index:70;pointer-events:none}
.progress__bar{
  display:block;height:100%;transform:scaleX(0);transform-origin:0 50%;
  background:linear-gradient(90deg,var(--accent),var(--accent-bright));
}

/* film grain (z 60, static, pointer-events none) */
.grain{
  position:fixed;inset:0;z-index:60;pointer-events:none;opacity:.05;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size:160px 160px;
}
:root[data-theme="light"] .grain{opacity:.035}

/* ---------- hero atmosphere ---------- */
.hero{position:relative}
.hero__bg{position:absolute;inset:-10% 0 0;overflow:hidden;pointer-events:none;
  -webkit-mask-image:linear-gradient(#000 78%,transparent 98%);
  mask-image:linear-gradient(#000 78%,transparent 98%)}
.hero__blob{
  position:absolute;border-radius:50%;filter:blur(70px);opacity:.5;
  will-change:transform;
}
.hero__blob--a{
  width:640px;height:640px;right:-160px;top:-200px;
  background:radial-gradient(circle at 35% 35%,rgba(0,160,153,.5),transparent 65%);
  animation:drift-a 26s ease-in-out infinite alternate;
}
.hero__blob--b{
  width:420px;height:420px;left:-140px;top:30%;
  background:radial-gradient(circle at 60% 40%,rgba(38,198,184,.32),transparent 65%);
  animation:drift-b 32s ease-in-out infinite alternate;
}
.hero__blob--c{
  width:340px;height:340px;right:22%;bottom:-160px;
  background:radial-gradient(circle at 50% 50%,rgba(0,120,113,.4),transparent 65%);
  animation:drift-a 38s ease-in-out infinite alternate-reverse;
}
:root[data-theme="light"] .hero__blob{opacity:.33}
@keyframes drift-a{to{transform:translate(-60px,50px) scale(1.12)}}
@keyframes drift-b{to{transform:translate(70px,-40px) scale(.94)}}
.hero__grid-lines{
  position:absolute;inset:0;
  background:
    linear-gradient(var(--line) 1px,transparent 1px),
    linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:72px 72px;opacity:.35;
  -webkit-mask-image:radial-gradient(75% 65% at 50% 30%,#000 20%,transparent 100%);
  mask-image:radial-gradient(75% 65% at 50% 30%,#000 20%,transparent 100%);
}
:root[data-theme="dark"] .hero__grid-lines{opacity:.5}
.hero__grid{position:relative}

/* gradient phrase in hero (also applied per word after JS mask-splitting) */
.grad,.grad .wm>span{
  background:linear-gradient(92deg,var(--accent) 0%,var(--accent-bright) 55%,var(--accent) 110%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  background-size:180% 100%;
}
:root[data-theme="dark"] .grad,
:root[data-theme="dark"] .grad .wm>span{
  background-image:linear-gradient(92deg,#26C6B8 0%,#7FEADF 55%,#26C6B8 110%);
  -webkit-background-clip:text;background-clip:text;
}
.hero h1 em{color:inherit}
/* word-mask splitting (built by JS) */
.wm{display:inline-block;overflow:hidden;vertical-align:bottom;padding-bottom:.08em;margin-bottom:-.08em}
.wm>span{display:inline-block;will-change:transform}

/* hero visual: float + shine */
.hero__visual{position:relative;box-shadow:var(--shadow)}
.hero__visual::after{
  content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;
  background:linear-gradient(115deg,transparent 40%,rgba(255,255,255,.10) 50%,transparent 60%);
  background-size:260% 100%;background-position:120% 0;
}
html.anim .hero__visual::after{animation:shine 5.5s ease-in-out 1.4s infinite}
@keyframes shine{0%{background-position:120% 0}45%,100%{background-position:-60% 0}}

/* primary CTA glow (brand-tinted, restrained) */
.btn--primary{box-shadow:0 8px 26px -10px rgba(0,128,120,.55)}
.btn--primary:hover{box-shadow:0 10px 32px -10px rgba(0,128,120,.75)}
:root[data-theme="dark"] .btn--primary{box-shadow:0 0 28px -6px rgba(38,198,184,.45)}
:root[data-theme="dark"] .btn--primary:hover{box-shadow:0 0 38px -6px rgba(38,198,184,.62)}

/* nav states */
.nav{transition:background .25s,box-shadow .25s}
.nav__inner{transition:height .25s}
.nav--scrolled .nav__inner{height:58px}
.nav--scrolled{box-shadow:0 10px 30px -18px rgba(0,0,0,.35)}
.nav__links a{position:relative}
.nav__links a::after{
  content:"";position:absolute;left:0;right:100%;bottom:-6px;height:2px;
  background:var(--accent);transition:right .25s cubic-bezier(.16,1,.3,1);
}
.nav__links a:hover::after,.nav__links a.is-active::after{right:0}
.nav__links a.is-active{color:var(--ink)}

/* spotlight hover on cards (cursor-tracked radial, set via --mx/--my) */
.bento__cell,.case,.svc-card,.svc-mini,.form,.svc-flag{position:relative;overflow:hidden}
.bento__cell::after,.case::after,.svc-card::after,.svc-mini::after,.form::after{
  content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;
  opacity:0;transition:opacity .35s;
  background:radial-gradient(340px circle at var(--mx,50%) var(--my,50%),var(--accent-soft),transparent 65%);
}
.bento__cell:hover::after,.case:hover::after,.svc-card:hover::after,.svc-mini:hover::after,.form:hover::after{opacity:1}
.bento__cell,.case{transition:transform .3s cubic-bezier(.16,1,.3,1),border-color .3s,box-shadow .3s}
.bento__cell:hover,.case:hover{transform:translateY(-4px);border-color:color-mix(in srgb,var(--accent) 35%,var(--line))}

/* 3d tilt targets */
.svc-pair{perspective:1100px}
.svc-card{transform-style:preserve-3d}
.svc-card:hover{box-shadow:0 24px 60px -24px rgba(27,25,62,.5)}

/* process: scrubbed progress line + step activation */
.steps{--p:0}
.steps::after{
  content:"";position:absolute;top:23px;left:4%;width:92%;height:1.5px;
  background:linear-gradient(90deg,var(--accent),var(--accent-bright));
  transform:scaleX(var(--p));transform-origin:0 50%;
}
/* steps stay fully legible at all times; only the numbers react to scroll */
.steps__num{transition:box-shadow .3s,transform .3s}
.steps__item.is-on .steps__num{
  box-shadow:0 0 20px rgba(38,198,184,.45);
  transform:scale(1.06);
}

/* cases: desktop scroll-hijack mode (class added by JS) */
.cases--hijack{overflow-x:visible!important;scroll-snap-type:none}
.cases-hint{display:none}
.case{background:linear-gradient(180deg,var(--surface),color-mix(in srgb,var(--surface) 88%,var(--accent-soft)))}

/* FAQ smooth open (Chromium; graceful elsewhere) */
html{interpolate-size:allow-keywords}
.faq details::details-content{
  block-size:0;overflow:hidden;
  transition:block-size .38s cubic-bezier(.16,1,.3,1),content-visibility .38s allow-discrete;
}
.faq details[open]::details-content{block-size:auto}

/* contact atmosphere */
.contact-wrap{position:relative;overflow:hidden}
.contact__bg{
  position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(560px 340px at 18% 30%,var(--accent-soft),transparent 70%),
    radial-gradient(520px 380px at 88% 78%,var(--accent-soft),transparent 70%);
}
.contact{position:relative}

/* footer */
.footer{position:relative;overflow:hidden}
.footer__inner{position:relative;z-index:1}

/* selection + scrollbar */
::selection{background:var(--accent);color:var(--on-accent)}
::-webkit-scrollbar{width:11px}
::-webkit-scrollbar-thumb{background:color-mix(in srgb,var(--muted) 35%,transparent);border-radius:8px;border:3px solid var(--bg)}
::-webkit-scrollbar-track{background:var(--bg)}

@media (prefers-reduced-motion:reduce){
  .hero__visual::after,.progress{display:none}
  .faq details::details-content{transition:none}
  .nav__links a::after{transition:none}
  .bento__cell,.case{transition:none}
}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .nav__links{display:none}
  .nav__burger{display:inline-flex}
  .nav[data-open="true"] .nav__links{
    display:flex;flex-direction:column;gap:4px;
    position:fixed;inset:68px 0 auto 0;z-index:49;
    background:var(--bg);border-bottom:1px solid var(--line);
    padding:16px clamp(20px,4vw,40px) 24px;
  }
  .nav[data-open="true"] .nav__links a{padding:12px 0;font-size:17px;color:var(--ink)}
  .nav__cta{display:none}
  .nav__actions{margin-left:auto}
}
@media (max-width:900px){
  .hero__grid{grid-template-columns:1fr}
  .hero__visual{max-width:520px}
  .stats{grid-template-columns:1fr 1fr}
  .svc-flag{grid-template-columns:1fr}
  .svc-flag__visual{max-width:460px}
  .svc-pair{grid-template-columns:1fr}
  .bento{grid-template-columns:1fr 1fr}
  .bento__cell--wide{grid-column:span 2}
  .steps{grid-template-columns:1fr 1fr}
  .steps::before,.steps::after{display:none}
  .contact{grid-template-columns:1fr}
  .faq{grid-template-columns:1fr}
}
@media (max-width:768px){
  .hero__blob{filter:blur(46px)}
  .hero__blob--b,.hero__blob--c{display:none}
}
@media (max-width:640px){
  .bento{grid-template-columns:1fr}
  .bento__cell--wide{grid-column:auto}
  .bento__cell--tint{flex-direction:column;align-items:flex-start;gap:14px}
  .steps{grid-template-columns:1fr}
  .quotes{grid-template-columns:1fr}
  .quote:nth-child(odd){border-right:0;padding-left:0}
  .quote{padding-left:0;padding-right:0}
  .stats__item{padding:20px 22px}
  .hero__ctas .btn{width:100%;justify-content:center}
}

/* ============================================================
   MULTI-PAGE LAYER: page heroes, CTA band, services overview
   ============================================================ */

/* active nav link */
.nav__links a[aria-current="page"]{color:var(--ink)}
.nav__links a[aria-current="page"]::after{right:0}

/* compact hero for subpages */
.page-hero{
  position:relative;overflow:hidden;text-align:center;
  padding:clamp(56px,9vh,96px) 0 clamp(36px,6vh,60px);
}
.page-hero__title{font-size:clamp(34px,4.4vw,56px);font-weight:600}
.page-hero__sub{margin:16px auto 0;max-width:52ch;color:var(--muted);font-size:clamp(16px,1.4vw,19px)}

/* services overview grid on the home page: 1 wide + 2 halves */
.svc-mini-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.svc-mini{
  position:relative;overflow:hidden;display:flex;gap:18px;align-items:flex-start;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-surface);
  padding:clamp(22px,3vw,32px);color:var(--ink);
  transition:transform .3s cubic-bezier(.16,1,.3,1),border-color .3s,box-shadow .3s;
}
.svc-mini--wide{grid-column:1/-1;background:linear-gradient(135deg,var(--accent-soft),transparent 60%),var(--surface)}
.svc-mini:hover{transform:translateY(-4px);border-color:color-mix(in srgb,var(--accent) 35%,var(--line));box-shadow:var(--shadow)}
.svc-mini h3{font-size:20px;margin-bottom:8px}
.svc-mini p{color:var(--muted);max-width:60ch}
.svc-mini .svc-flag__icon{flex-shrink:0}
.svc-mini__more{
  display:inline-flex;align-items:center;gap:8px;margin-top:14px;
  color:var(--accent);font-weight:500;font-size:15px;
}
.svc-mini__more svg{width:17px;height:17px;fill:currentColor;transition:transform .25s}
.svc-mini:hover .svc-mini__more svg{transform:translateX(4px)}
@media (max-width:760px){.svc-mini-grid{grid-template-columns:1fr}.svc-mini{flex-direction:column}}

/* CTA band */
.cta-band{
  position:relative;overflow:hidden;text-align:center;
  margin:clamp(24px,4vh,48px) 0 0;
  padding:clamp(64px,10vh,104px) 0;
  background:
    radial-gradient(620px 320px at 20% 20%,var(--accent-soft),transparent 70%),
    radial-gradient(560px 340px at 85% 80%,var(--accent-soft),transparent 70%),
    var(--surface-2);
  border-top:1px solid var(--line);
}
.cta-band h2{font-size:clamp(28px,3.4vw,44px);font-weight:600}
.cta-band p{margin:14px auto 28px;max-width:46ch;color:var(--muted);font-size:clamp(16px,1.3vw,18px)}
.btn--band{background:var(--accent);color:var(--on-accent)}
.btn--band:hover{background:var(--accent-strong);transform:translateY(-1px)}

/* ============================================================
   CASE STUDIES PAGE: same swipe rail, contained in the page column
   so it sits centered instead of bleeding off the right edge
   ============================================================ */
.cases--contained{
  max-width:1180px;margin-inline:auto;
  /* the base rule's leading/trailing flex spacers read this, so the first card
     lines up with the section heading and the rail ends with a matching gutter */
  --case-pad:clamp(20px,4vw,40px);
}

/* ============================================================
   FOURTH SERVICE: low-level programming
   ============================================================ */

/* services page: reversed flagship block (visual left, copy right) */
.svc-flag--rev{margin-top:22px}
.svc-flag--rev .svc-flag__copy{order:2}
.svc-flag--rev .svc-flag__visual{order:1}
.svc-flag__visual img{width:100%;border-radius:12px;display:block}
@media (max-width:820px){
  .svc-flag--rev .svc-flag__copy,
  .svc-flag--rev .svc-flag__visual{order:initial}
}

/* home overview: two full-width cells (QA, low level) framing the dev/design pair */
.svc-mini-grid{grid-template-columns:1fr 1fr}
.svc-mini{grid-column:auto}
.svc-mini--wide{grid-column:1/-1}
@media (max-width:760px){
  .svc-mini-grid{grid-template-columns:1fr}
  .svc-mini,.svc-mini--wide{grid-column:1/-1}
}