/* =========================================================
   SAT — Symbol of Simplicity
   Palette sampled from the SAT logo and the SAT poster.
   ========================================================= */

:root{
  /* brand (from the logo + poster header band) */
  --blue:#026AB1;
  --blue-deep:#014B80;
  --blue-ink:#013A63;
  --harbour:#01526D;
  --midnight:#030D0E;

  /* poster accents */
  --indigo:#303F76;
  --plum:#8C546F;
  --teal:#0E718E;
  --sea:#1F656F;
  --amber:#FC911F;
  --ember:#E65600;
  --rust:#BC3402;

  /* surfaces */
  --paper:#F2F6FA;
  --card:#FFFFFF;
  --ink:#0B2536;
  --mute:#4E6C80;
  --line:#D8E4EE;
  --shadow:0 18px 40px -26px rgba(1,58,99,.55);

  --display:"Outfit","Trebuchet MS",system-ui,sans-serif;
  --text:"Hanken Grotesk",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --wrap:1180px;
  --rad:14px;
  --head-h:74px;
}

html[data-theme="dark"]{
  --paper:#041C2B;
  --card:#072A3E;
  --ink:#E7F1F8;
  --mute:#9EBACD;
  --line:#0E4160;
  --shadow:0 20px 44px -28px rgba(0,0,0,.85);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:var(--head-h)}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font:400 clamp(1rem,.97rem + .18vw,1.075rem)/1.65 var(--text);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--blue);text-underline-offset:3px}
html[data-theme="dark"] a{color:#6FC0F0}
h1,h2,h3,h4{font-family:var(--display);font-weight:600;line-height:1.1;letter-spacing:-.015em;margin:0}
:focus-visible{outline:3px solid var(--amber);outline-offset:3px;border-radius:4px}

.wrap{width:min(100% - 2.5rem,var(--wrap));margin-inline:auto}
.skip{position:absolute;left:-9999px;top:0;background:var(--amber);color:#111;padding:10px 16px;z-index:200;font-weight:600}
.skip:focus{left:12px;top:12px}

/* ---------------- masthead: the poster's blue band ---------------- */
.masthead{
  position:sticky;top:0;z-index:100;background:var(--blue);
  box-shadow:0 1px 0 rgba(255,255,255,.14) inset;
  transition:background .3s ease,box-shadow .3s ease;
}
.masthead.is-stuck{background:var(--blue-deep);box-shadow:0 10px 30px -18px rgba(0,0,0,.7)}
.masthead__in{
  width:min(100% - 2.5rem,var(--wrap));margin-inline:auto;
  min-height:var(--head-h);display:flex;align-items:center;gap:1.25rem;
}
.brand{display:flex;align-items:center;padding:6px 0;flex:0 0 auto}
.brand__mark{width:118px;height:auto}
.masthead.is-stuck .brand__mark{width:100px;transition:width .3s ease}

.nav{margin-left:auto;display:flex;align-items:center;gap:1.5rem}
.nav ul{display:flex;gap:1.35rem;list-style:none;margin:0;padding:0}
.nav a{
  color:rgba(255,255,255,.88);text-decoration:none;font-size:.95rem;font-weight:500;
  padding:6px 0;border-bottom:2px solid transparent;white-space:nowrap;
}
.nav a:hover{color:#fff;border-bottom-color:rgba(255,255,255,.5)}
.nav a.is-current{color:#fff;border-bottom-color:var(--amber)}
.nav a.nav__cta{font-size:.9rem;padding:.6rem 1.05rem;color:var(--blue-deep);border-bottom:0}
.nav a.nav__cta:hover{color:#26170A}

.masthead__tools{display:flex;align-items:center;gap:.5rem;margin-left:.25rem}
.icon-btn{
  width:40px;height:40px;display:grid;place-items:center;border:1px solid rgba(255,255,255,.35);
  background:transparent;border-radius:10px;cursor:pointer;color:#fff;flex:0 0 auto;
}
.icon-btn:hover{background:rgba(255,255,255,.14)}
.icon-btn svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round}
.ico-moon{display:none}
html[data-theme="dark"] .ico-sun{display:none}
html[data-theme="dark"] .ico-moon{display:block}

.burger{display:none}
.burger span{display:block;width:19px;height:2px;background:#fff;margin:2.5px 0;transition:transform .25s,opacity .2s}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

@media (max-width:960px){
  .burger{display:grid}
  .nav{
    position:fixed;inset:var(--head-h) 0 auto 0;background:var(--blue-deep);
    flex-direction:column;align-items:stretch;gap:0;padding:.5rem 1.25rem 1.5rem;
    transform:translateY(-140%);transition:transform .32s cubic-bezier(.4,0,.2,1);
    max-height:calc(100dvh - var(--head-h));overflow:auto;
  }
  .nav.is-open{transform:translateY(0)}
  .nav ul{flex-direction:column;gap:0}
  .nav li{border-bottom:1px solid rgba(255,255,255,.14)}
  .nav a{display:block;padding:.95rem 0;font-size:1.05rem;border-bottom:0}
  .nav a.is-current{border-bottom:0;color:var(--amber)}
  .nav__cta{margin-top:1.1rem;text-align:center}
}

/* ---------------- buttons ---------------- */
.btn{
  display:inline-block;font-family:var(--display);font-weight:500;font-size:.98rem;
  padding:.8rem 1.5rem;border-radius:10px;text-decoration:none;border:1.5px solid transparent;
  cursor:pointer;transition:transform .15s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn:active{transform:translateY(1px)}
.btn--solid{background:#fff;color:var(--blue-deep);border-color:#fff}
.btn--solid:hover{background:var(--amber);border-color:var(--amber);color:#26170A}
.btn--amber{background:var(--amber);color:#26170A;border-color:var(--amber)}
.btn--amber:hover{background:var(--ember);border-color:var(--ember);color:#fff}
.btn--ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.65)}
.btn--ghost:hover{background:rgba(255,255,255,.15);border-color:#fff}
.btn--ghost-dark{color:var(--blue-deep);border-color:var(--line)}
.btn--ghost-dark:hover{background:var(--paper);border-color:var(--blue)}
.btn--plain{background:transparent;border-color:transparent;color:var(--mute)}
.btn--plain:hover{color:var(--ink)}
.btn--full{width:100%}
.sec .btn--solid{background:var(--blue);color:#fff;border-color:var(--blue)}
.sec .btn--solid:hover{background:var(--blue-deep);border-color:var(--blue-deep)}

/* ---------------- hero ---------------- */
.hero{position:relative;isolation:isolate;min-height:clamp(560px,86vh,860px);display:flex;flex-direction:column;justify-content:center;overflow:hidden}
.slides{position:absolute;inset:0;z-index:-2}
.slide{
  position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:0;transition:opacity 1.6s ease-in-out;transform:scale(1.02);
}
.slide.is-on{opacity:1}
.hero::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(105deg,rgba(1,58,99,.92) 0%,rgba(2,106,177,.72) 42%,rgba(1,29,45,.45) 70%,rgba(3,13,14,.62) 100%);
}
.hero__in{width:min(100% - 2.5rem,var(--wrap));margin-inline:auto;padding:4rem 0 3.5rem;color:#fff}
.hero__copy{max-width:44ch}
.hero__over{
  margin:0 0 .85rem;font-family:var(--display);font-weight:400;font-size:clamp(1rem,.95rem + .3vw,1.2rem);
  color:#BFE3FA;padding-left:14px;border-left:4px solid var(--amber);
}
.hero h1{font-size:clamp(2.35rem,1.5rem + 3.2vw,3.9rem);font-weight:300;letter-spacing:-.025em}
.hero__lead{max-width:52ch;margin:1.35rem 0 2rem;color:rgba(255,255,255,.9);font-size:clamp(1.02rem,.98rem + .25vw,1.16rem)}
.hero__acts{display:flex;flex-wrap:wrap;gap:.85rem}

.stats{
  list-style:none;margin:3rem 0 0;padding:1.4rem 0 0;display:grid;gap:1.5rem;
  grid-template-columns:repeat(auto-fit,minmax(190px,1fr));border-top:1px solid rgba(255,255,255,.3);max-width:860px;
}
.stats b{display:block;font-family:var(--display);font-size:clamp(2rem,1.5rem + 1.6vw,2.7rem);font-weight:600;line-height:1;color:#fff}
.stats span{display:block;margin-top:.4rem;font-size:.9rem;color:rgba(255,255,255,.78);max-width:22ch}

.dots{position:absolute;left:50%;transform:translateX(-50%);bottom:1.5rem;display:flex;gap:.55rem;z-index:2}
.dots button{
  width:30px;height:4px;border:0;padding:0;border-radius:2px;background:rgba(255,255,255,.38);cursor:pointer;
}
.dots button[aria-selected="true"]{background:var(--amber);width:46px}

/* ---------------- section shells ---------------- */
.sec{padding:clamp(3.75rem,2.5rem + 4vw,6.5rem) 0}
.sec--tint{background:
  linear-gradient(0deg,rgba(2,106,177,.05),rgba(2,106,177,.05));border-block:1px solid var(--line)}
html[data-theme="dark"] .sec--tint{background:rgba(255,255,255,.028)}
.sec__h{font-size:clamp(1.75rem,1.35rem + 1.7vw,2.6rem);max-width:20ch;color:var(--blue-ink)}
html[data-theme="dark"] .sec__h{color:#CDE8FB}
.sec__h--light{color:#fff;max-width:16ch}
.sec__lead{margin:1.1rem 0 1.6rem;max-width:58ch;color:var(--mute)}
.sec__lead--wide{max-width:72ch}
.sec__lead--light{color:rgba(255,255,255,.88);max-width:54ch}

.grid-2{display:grid;gap:clamp(2rem,1rem + 4vw,4.5rem);grid-template-columns:1fr}
@media (min-width:900px){
  .grid-2{grid-template-columns:1fr 1fr;align-items:start}
  .grid-2--wide{grid-template-columns:1.05fr .95fr}
}

.ticks{list-style:none;margin:0 0 1.6rem;padding:0;display:grid;gap:.7rem}
.ticks--tight{margin-top:1.4rem}
.ticks li{position:relative;padding-left:1.9rem}
.ticks li::before{
  content:"";position:absolute;left:0;top:.52em;width:11px;height:7px;
  border-left:2.5px solid var(--amber);border-bottom:2.5px solid var(--amber);transform:rotate(-45deg);
}
.lnk{font-family:var(--display);font-weight:500;text-decoration:none;border-bottom:2px solid var(--amber);padding-bottom:2px}
.lnk:hover{border-bottom-color:var(--blue)}

/* ---------------- venn (poster CRM/ERP motif) ---------------- */
.venn{position:relative;width:100%;height:min(380px,76vw);max-width:430px;margin-inline:auto}
.venn__c{
  position:absolute;border-radius:50%;display:grid;place-items:center;mix-blend-mode:multiply;
  width:56%;aspect-ratio:1;color:#fff;font-family:var(--display);font-weight:600;
  font-size:clamp(1.1rem,.9rem + 1vw,1.5rem);letter-spacing:.02em;
}
html[data-theme="dark"] .venn__c{mix-blend-mode:screen}
.venn__c span{transform:translateY(-4%)}
.venn__c--crm{background:var(--plum);left:0;top:2%}
.venn__c--erp{background:var(--indigo);right:0;top:2%}
.venn__c--ai{background:var(--teal);left:22%;bottom:0}
.venn-wrap{display:flex;flex-direction:column;justify-content:center}
.venn-key{list-style:none;margin:2rem 0 0;padding:0;display:grid;gap:.85rem;font-size:.95rem}
.venn-key li{display:flex;align-items:flex-start}
.venn-key b{font-family:var(--display);margin-right:.45rem;white-space:nowrap}
.sw{flex:0 0 auto;width:12px;height:12px;border-radius:50%;margin-top:.48em;margin-right:.75rem}
.sw--plum{background:var(--plum)}.sw--indigo{background:var(--indigo)}.sw--teal{background:var(--teal)}

/* ---------------- industries: the poster's offset bars ---------------- */
.picker{display:grid;gap:2rem;margin-top:2.25rem}
@media (min-width:980px){.picker{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:3rem;align-items:start}}
.bars{display:grid;gap:6px;margin:0}
.bar{
  border:0;cursor:pointer;text-align:left;color:#fff;font-family:var(--display);font-weight:500;
  font-size:clamp(1.02rem,.95rem + .45vw,1.3rem);padding:.72rem 1.15rem;
  border-radius:0 6px 6px 0;position:relative;
  transition:width .35s cubic-bezier(.34,1.3,.64,1),filter .2s ease,padding-left .25s ease;
  width:74%;
}
.bar:nth-child(2){width:80%}
.bar:nth-child(3){width:70%}
.bar:nth-child(4){width:86%}
.bar:nth-child(5){width:76%}
.bar:nth-child(6){width:68%}
.bar:nth-child(7){width:92%}
.bar:hover{filter:brightness(1.1);padding-left:1.5rem}
.bar[aria-expanded="true"]{width:100%;padding-left:1.5rem;box-shadow:var(--shadow)}
.bar[aria-expanded="true"]::after{
  content:"";position:absolute;right:1.1rem;top:50%;width:9px;height:9px;
  border-right:2.5px solid rgba(255,255,255,.95);border-bottom:2.5px solid rgba(255,255,255,.95);
  transform:translateY(-70%) rotate(45deg);
}
.bar--indigo{background:var(--indigo)}
.bar--teal{background:var(--teal)}
.bar--amber{background:var(--amber);color:#26170A}
.bar--ember{background:var(--ember)}
.bar--rust{background:var(--rust)}
.bar--sea{background:var(--sea)}
.bar--harbour{background:var(--harbour)}

.detail{
  background:var(--card);border:1px solid var(--line);border-left:5px solid var(--amber);
  border-radius:0 var(--rad) var(--rad) 0;padding:1.6rem clamp(1.2rem,.8rem + 1.6vw,2.2rem);box-shadow:var(--shadow);
}
.detail h3{font-size:clamp(1.25rem,1.1rem + .7vw,1.6rem);color:var(--blue-ink)}
html[data-theme="dark"] .detail h3{color:#CDE8FB}
.detail p{margin:.6rem 0 1.1rem;color:var(--mute);max-width:62ch}
.detail ul{list-style:none;margin:0 0 1.3rem;padding:0;display:grid;gap:.5rem .5rem;grid-template-columns:repeat(auto-fit,minmax(230px,1fr))}
.detail li{position:relative;padding-left:1.4rem;font-size:.95rem}
.detail li::before{content:"";position:absolute;left:0;top:.62em;width:7px;height:7px;border-radius:50%;background:var(--blue)}

/* ---------------- api ---------------- */
.chips{list-style:none;display:flex;flex-wrap:wrap;gap:.5rem;padding:0;margin:0}
.chips li{
  font-size:.85rem;padding:.42rem .85rem;border:1px solid var(--line);border-radius:999px;
  background:var(--card);color:var(--mute);
}
.code{margin:0;border-radius:var(--rad);overflow:hidden;box-shadow:var(--shadow);background:#04263C}
.code figcaption{
  background:var(--blue-deep);color:#fff;font-family:var(--display);font-size:.88rem;
  padding:.75rem 1.1rem;letter-spacing:.01em;
}
.code pre{margin:0;padding:1.25rem 1.1rem;overflow-x:auto}
.code code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.82rem;line-height:1.75;color:#CFE6F5;white-space:pre}
.c-k{color:var(--amber);font-weight:700}
.c-d{color:#7FC5E8}
.c-s{color:#9DE0B8}
.c-v{color:#FFCB8A}
.c-c{color:#6E93A8;font-style:italic}

/* ---------------- rollout ---------------- */
.steps{list-style:none;counter-reset:s;margin:2.5rem 0 0;padding:0;display:grid;gap:1.5rem;grid-template-columns:repeat(auto-fit,minmax(235px,1fr))}
.steps li{padding-top:1.1rem;border-top:3px solid var(--line)}
.steps li:nth-child(1){border-top-color:var(--blue)}
.steps li:nth-child(2){border-top-color:var(--teal)}
.steps li:nth-child(3){border-top-color:var(--amber)}
.steps li:nth-child(4){border-top-color:var(--ember)}
.steps__n{font-family:var(--display);font-size:.95rem;font-weight:600;color:var(--mute)}
.steps h3{margin:.4rem 0 .5rem;font-size:1.18rem;color:var(--blue-ink)}
html[data-theme="dark"] .steps h3{color:#CDE8FB}
.steps p{margin:0;color:var(--mute);font-size:.95rem}

/* ---------------- learning kit band ---------------- */
.sec--band{
  position:relative;isolation:isolate;color:#fff;
  background:linear-gradient(100deg,rgba(1,45,77,.90),rgba(2,106,177,.60)),url("../assets/img/band.jpg") center/cover no-repeat fixed;
}
@media (max-width:900px){.sec--band{background-attachment:scroll}}
.kit{display:grid;gap:clamp(2rem,1rem + 4vw,4rem);grid-template-columns:1fr}
@media (min-width:900px){.kit{grid-template-columns:1.05fr .95fr;align-items:center}}
.kit__acts{display:flex;flex-wrap:wrap;gap:.85rem;margin-top:.4rem}
.kit__note{margin:1rem 0 0;font-size:.88rem;color:rgba(255,255,255,.7)}
.kit__list{list-style:none;margin:0;padding:0;display:grid;gap:1px;background:rgba(255,255,255,.28);border-radius:var(--rad);overflow:hidden}
.kit__list li{background:rgba(1,42,72,.72);padding:1.15rem 1.35rem;backdrop-filter:blur(4px)}
.kit__list b{display:block;font-family:var(--display);font-size:1.05rem;font-weight:600;margin-bottom:.25rem}
.kit__list span{color:rgba(255,255,255,.8);font-size:.92rem}

/* ---------------- dialog ---------------- */
.modal{
  border:0;border-radius:var(--rad);padding:clamp(1.4rem,1rem + 1.6vw,2.2rem);
  width:min(560px,calc(100% - 2rem));background:var(--card);color:var(--ink);box-shadow:0 30px 70px -30px rgba(0,0,0,.6);
}
.modal::backdrop{background:rgba(1,29,45,.62);backdrop-filter:blur(3px)}
.modal h3{font-size:1.45rem;color:var(--blue-ink)}
html[data-theme="dark"] .modal h3{color:#CDE8FB}
.modal__files{list-style:none;margin:1.2rem 0 1.6rem;padding:0;display:grid;gap:.85rem}
.modal__files b{display:block;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.88rem;color:var(--ember)}
.modal__files span{font-size:.92rem;color:var(--mute)}
.modal__acts{display:flex;flex-wrap:wrap;gap:.6rem;align-items:center}
.modal .btn--solid{background:var(--blue);color:#fff;border-color:var(--blue)}
.modal .btn--solid:hover{background:var(--blue-deep);border-color:var(--blue-deep)}

/* ---------------- contact ---------------- */
.contact-list{list-style:none;margin:1.5rem 0 0;padding:0;display:grid;gap:1.1rem}
.contact-list b{display:block;font-family:var(--display);font-size:.85rem;color:var(--mute);font-weight:500}
.contact-list a{font-size:1.1rem;text-decoration:none;border-bottom:1px solid var(--line)}
.contact-list a:hover{border-bottom-color:var(--blue)}

.form{background:var(--card);border:1px solid var(--line);border-radius:var(--rad);padding:clamp(1.3rem,1rem + 1.4vw,2rem);box-shadow:var(--shadow)}
.field{margin-bottom:1.1rem}
.field label{display:block;font-family:var(--display);font-size:.9rem;font-weight:500;margin-bottom:.4rem}
.field input,.field select,.field textarea{
  width:100%;padding:.75rem .9rem;border:1.5px solid var(--line);border-radius:9px;
  background:var(--paper);color:var(--ink);font:inherit;font-size:.98rem;
}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--blue);outline:none;box-shadow:0 0 0 3px rgba(2,106,177,.18)}
.field textarea{resize:vertical;min-height:110px}
.err{margin:.4rem 0 0;font-size:.85rem;color:var(--rust);min-height:0}
html[data-theme="dark"] .err{color:#FF9B6E}
.field.is-bad input,.field.is-bad textarea{border-color:var(--rust)}
.form__ok{margin:1rem 0 0;font-size:.92rem;color:var(--sea);border-left:3px solid var(--sea);padding-left:.8rem}
html[data-theme="dark"] .form__ok{color:#7FD3C4;border-left-color:#7FD3C4}

/* ---------------- footer ---------------- */
.foot{background:var(--blue-ink);color:rgba(255,255,255,.82);padding:clamp(2.75rem,2rem + 2vw,4rem) 0 1.75rem}
.foot__in{display:grid;gap:2rem;grid-template-columns:1fr}
@media (min-width:760px){.foot__in{grid-template-columns:1.6fr 1fr 1fr 1fr}}
.foot__logo{width:120px;margin-bottom:1rem}
.foot__line{margin:0;font-size:.93rem;max-width:40ch;color:rgba(255,255,255,.7)}
.foot__nav h4{font-size:.88rem;font-weight:600;color:#fff;margin-bottom:.8rem}
.foot__nav ul{list-style:none;margin:0;padding:0;display:grid;gap:.5rem}
.foot__nav a{color:rgba(255,255,255,.75);text-decoration:none;font-size:.93rem}
.foot__nav a:hover{color:var(--amber)}
.foot__base{margin-top:2.5rem;padding-top:1.4rem;border-top:1px solid rgba(255,255,255,.18);
  display:flex;flex-wrap:wrap;gap:.6rem 2rem;justify-content:space-between;font-size:.8rem;color:rgba(255,255,255,.6)}
.foot__base p{margin:0}
.foot__base a{color:rgba(255,255,255,.8)}
.foot__tm{letter-spacing:.02em}

/* ---------------- back to top ---------------- */
.totop{
  position:fixed;right:1.1rem;bottom:1.1rem;z-index:90;width:46px;height:46px;border-radius:50%;
  border:0;background:var(--blue);color:#fff;cursor:pointer;display:grid;place-items:center;
  box-shadow:0 10px 24px -12px rgba(1,58,99,.9);
}
.totop[hidden]{display:none}
.totop:hover{background:var(--amber);color:#26170A}
.totop svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}

/* ---------------- one restrained entrance ---------------- */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .6s ease,transform .6s ease}
.reveal.is-in{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important}
  .reveal{opacity:1;transform:none}
}