/* ============================================================
   Samix AI — samixai.com
   Brand palette is shared with Saman POS (indigo #5B6CFF,
   teal #00C2A8) so parent and product read as one family.
   ============================================================ */

/* ── Tokens ─────────────────────────────────────────────── */
:root{
  --brand:#5B6CFF;
  --brand-2:#7C6BFF;
  --teal:#00C2A8;

  --font:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  --display:'Sora',var(--font);

  --maxw:1180px;
  --gutter:24px;
  --r-sm:10px;
  --r:16px;
  --r-lg:24px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

html[data-theme="dark"]{
  --bg:#05060B;
  --bg-2:#090B14;
  --panel:rgba(255,255,255,.035);
  --panel-2:rgba(255,255,255,.06);
  --line:rgba(255,255,255,.09);
  --line-2:rgba(255,255,255,.16);
  --text:#EAECF5;
  --text-2:#A6AECA;
  --text-3:#737B97;
  --shadow:0 26px 64px -28px rgba(0,0,0,.85);
  --nav-bg:rgba(5,6,11,.72);
  --tint:rgba(91,108,255,.14);
}

html[data-theme="light"]{
  --bg:#FFFFFF;
  --bg-2:#F5F7FC;
  --panel:#FFFFFF;
  --panel-2:#F5F7FC;
  --line:rgba(11,14,30,.10);
  --line-2:rgba(11,14,30,.18);
  --text:#0B0E1E;
  --text-2:#4D5570;
  --text-3:#79819A;
  --shadow:0 22px 50px -28px rgba(16,22,52,.32);
  --nav-bg:rgba(255,255,255,.78);
  --tint:rgba(91,108,255,.09);
}

/* ── Base ───────────────────────────────────────────────── */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:86px;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul,ol,dl,dd{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}

h1,h2,h3{font-family:var(--display);font-weight:600;line-height:1.12;letter-spacing:-.02em}
h1{font-size:clamp(2.35rem,1.4rem + 3.6vw,4.05rem);letter-spacing:-.033em}
h2{font-size:clamp(1.75rem,1.2rem + 2.1vw,2.7rem);letter-spacing:-.028em}
h3{font-size:1.2rem;letter-spacing:-.018em}

.container{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gutter)}

.skip{position:absolute;left:-9999px;top:0;z-index:100}
.skip:focus{left:12px;top:12px;padding:10px 16px;background:var(--brand);color:#fff;border-radius:8px}

:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px}

/* ── Reveal on scroll (only when JS is running) ─────────── */
.js .reveal{opacity:0;transform:translateY(16px);transition:opacity .75s var(--ease),transform .75s var(--ease)}
.js .reveal.is-in{opacity:1;transform:none}

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

/* ── Shared bits ────────────────────────────────────────── */
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:.775rem;font-weight:600;letter-spacing:.11em;text-transform:uppercase;
  color:var(--text-2);margin-bottom:20px;
}
.eyebrow .dot{
  width:7px;height:7px;border-radius:50%;
  background:var(--teal);box-shadow:0 0 0 4px rgba(0,194,168,.16);
}
.lead{color:var(--text-2);font-size:clamp(1.02rem,.96rem + .3vw,1.16rem);line-height:1.7}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:11px 19px;border-radius:11px;
  font-weight:600;font-size:.94rem;letter-spacing:-.005em;
  border:1px solid transparent;white-space:nowrap;
  transition:transform .2s var(--ease),box-shadow .25s var(--ease),background-color .2s,border-color .2s;
}
.btn--lg{padding:14px 26px;font-size:1rem;border-radius:13px}
.btn--primary{
  background:linear-gradient(135deg,var(--brand-2),var(--brand) 55%,#4A58D9);
  color:#fff;box-shadow:0 12px 28px -14px rgba(91,108,255,.9);
}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 18px 34px -14px rgba(91,108,255,.95)}
.btn--ghost{border-color:var(--line-2);color:var(--text);background:var(--panel)}
.btn--ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}

.link-arrow{
  display:inline-flex;align-items:center;gap:7px;
  color:var(--brand);font-weight:600;font-size:.94rem;
  transition:gap .2s var(--ease)
}
html[data-theme="dark"] .link-arrow{color:#98A3FF}
.link-arrow:hover{gap:11px}

.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 11px;border-radius:999px;
  font-size:.7rem;font-weight:600;letter-spacing:.07em;text-transform:uppercase;
  background:var(--panel-2);border:1px solid var(--line);color:var(--text-2);
  white-space:nowrap;
}
.chip--live{color:var(--teal);border-color:rgba(0,194,168,.38);background:rgba(0,194,168,.1)}
.chip--dev{color:var(--brand-2);border-color:rgba(124,107,255,.38);background:rgba(124,107,255,.1)}
html[data-theme="light"] .chip--dev{color:#5546E0}

.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.chips li{
  padding:6px 12px;border-radius:8px;font-size:.83rem;font-weight:500;
  background:var(--panel-2);border:1px solid var(--line);color:var(--text-2);
}

.section{padding:clamp(72px,8vw,124px) 0}
.section--alt{background:var(--bg-2);border-block:1px solid var(--line)}
.sec-head{max-width:720px;margin-bottom:clamp(40px,5vw,64px)}
.sec-head h2{margin-bottom:18px}

/* ── Nav ────────────────────────────────────────────────── */
.nav{
  position:sticky;top:0;z-index:50;
  background:var(--nav-bg);
  backdrop-filter:saturate(180%) blur(16px);
  -webkit-backdrop-filter:saturate(180%) blur(16px);
  border-bottom:1px solid transparent;
  transition:border-color .3s,background-color .3s;
}
.nav.is-stuck{border-bottom-color:var(--line)}
.nav__inner{display:flex;align-items:center;gap:20px;height:72px}

.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
/* The mark is black line art on transparency. Dark mode inverts it to white
   rather than shipping and keeping in sync a second copy of the file. */
.brand__mark,.node__mark{width:34px;height:34px;object-fit:contain;flex-shrink:0}
html[data-theme="dark"] .brand__mark,
html[data-theme="dark"] .node__mark{filter:invert(1)}
.brand__word{font-family:var(--display);font-weight:700;font-size:1.12rem;letter-spacing:-.025em}
.brand__ai{
  margin-left:5px;padding:2px 6px;border-radius:6px;font-size:.72em;
  background:var(--tint);color:var(--brand);vertical-align:middle;
}
html[data-theme="dark"] .brand__ai{color:#9AA5FF}

.nav__links{display:flex;gap:4px;margin-left:auto}
.nav__links a{
  padding:8px 13px;border-radius:9px;font-size:.92rem;font-weight:500;color:var(--text-2);
  transition:color .2s,background-color .2s;
}
.nav__links a:hover{color:var(--text);background:var(--panel-2)}

.nav__actions{display:flex;align-items:center;gap:10px;margin-left:8px}
.icon-btn{
  display:grid;place-items:center;width:38px;height:38px;border-radius:10px;
  border:1px solid var(--line);color:var(--text-2);background:var(--panel);
  transition:color .2s,border-color .2s;
}
.icon-btn:hover{color:var(--text);border-color:var(--line-2)}
html[data-theme="dark"] .icon-sun{display:none}
html[data-theme="light"] .icon-moon{display:none}
.nav__burger{display:none}

/* ── Hero ───────────────────────────────────────────────── */
.hero{position:relative;padding:clamp(56px,7vw,96px) 0 clamp(64px,8vw,110px);overflow:hidden}
.hero__bg{position:absolute;inset:0;pointer-events:none;z-index:0}
.hero__bg::before{
  content:'';position:absolute;inset:0;
  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(ellipse 80% 60% at 50% 0%,#000 10%,transparent 72%);
  mask-image:radial-gradient(ellipse 80% 60% at 50% 0%,#000 10%,transparent 72%);
  opacity:.75;
}
.glow{position:absolute;border-radius:50%;filter:blur(90px);opacity:.42}
.glow--a{width:620px;height:520px;top:-220px;left:-120px;background:radial-gradient(circle,var(--brand),transparent 66%)}
.glow--b{width:540px;height:460px;top:-140px;right:-140px;background:radial-gradient(circle,var(--teal),transparent 66%);opacity:.3}
html[data-theme="light"] .glow{opacity:.22}

.hero__inner{position:relative;z-index:1;display:grid;grid-template-columns:1.06fr .94fr;gap:clamp(36px,5vw,72px);align-items:center}
.hero__copy h1{margin-bottom:24px}
.hero__copy .lead{max-width:56ch}
.hero__copy strong{color:var(--text);font-weight:600}
.hero__cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.hero__meta{display:flex;flex-wrap:wrap;gap:8px 0;margin-top:34px;color:var(--text-3);font-size:.85rem;font-weight:500}
.hero__meta li{position:relative;padding-right:23px}
.hero__meta li:not(:last-child)::after{
  content:'';position:absolute;right:10px;top:50%;margin-top:-2px;
  width:4px;height:4px;border-radius:50%;background:var(--line-2);
}

/* Company tree — states the parent/product structure visually */
.orgchart{
  padding:clamp(22px,3vw,34px) clamp(16px,2.4vw,26px);
  border:1px solid var(--line);border-radius:var(--r-lg);
  background:linear-gradient(180deg,var(--panel-2),var(--panel));
  box-shadow:var(--shadow);
}
.tree{display:flex;flex-direction:column;align-items:center}
.tree__top{position:relative;padding-bottom:30px}
.tree__top::after{content:'';position:absolute;left:50%;bottom:0;width:1px;height:30px;background:var(--line-2)}
.tree__row{
  position:relative;display:grid;grid-template-columns:repeat(3,1fr);gap:12px;
  width:100%;padding-top:30px;
}
.tree__row::before{
  content:'';position:absolute;top:0;left:16.6%;right:16.6%;height:1px;background:var(--line-2);
}
.tree__row .node::before{
  content:'';position:absolute;top:-30px;left:50%;width:1px;height:30px;background:var(--line-2);
}
.tree__foot{
  position:relative;margin-top:30px;padding:9px 16px;
  border:1px dashed var(--line-2);border-radius:999px;
  font-size:.78rem;color:var(--text-3);text-align:center;
}
.tree__foot::before{content:'';position:absolute;top:-30px;left:50%;width:1px;height:30px;background:var(--line-2)}

.node{
  position:relative;
  display:flex;flex-direction:column;align-items:center;gap:8px;
  padding:14px 12px;border-radius:14px;text-align:center;
  border:1px solid var(--line);background:var(--panel);
}
.node b{font-family:var(--display);font-size:.88rem;font-weight:600;letter-spacing:-.01em;line-height:1.3}
.node--root{
  flex-direction:row;gap:13px;padding:16px 22px;text-align:left;
  border-color:transparent;
  background:
    linear-gradient(var(--bg-2),var(--bg-2)) padding-box,
    linear-gradient(135deg,var(--brand-2),var(--teal)) border-box;
  border:1px solid transparent;
  box-shadow:0 18px 40px -22px rgba(91,108,255,.75);
}
.node__text{display:flex;flex-direction:column;line-height:1.35}
.node__text b{font-size:1.02rem}
.node__text em{font-style:normal;font-size:.74rem;color:var(--text-3);letter-spacing:.06em;text-transform:uppercase}

/* ── Facts strip ────────────────────────────────────────── */
.facts{border-block:1px solid var(--line);background:var(--bg-2)}
.facts__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line)}
.fact{display:flex;flex-direction:column;gap:4px;padding:30px 26px;background:var(--bg-2)}
.fact__n{
  font-family:var(--display);font-size:clamp(1.7rem,1.3rem + 1.4vw,2.3rem);font-weight:700;letter-spacing:-.03em;
  background:linear-gradient(120deg,var(--brand-2),var(--teal));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.fact__l{font-size:.86rem;color:var(--text-2);line-height:1.45}

/* ── Cards ──────────────────────────────────────────────── */
.cards{display:grid;gap:18px}
.cards--3{grid-template-columns:repeat(3,1fr)}
.cards--2{grid-template-columns:repeat(2,1fr)}

.card{
  padding:28px;border:1px solid var(--line);border-radius:var(--r-lg);
  background:var(--panel);
  transition:border-color .25s var(--ease),transform .25s var(--ease),box-shadow .25s var(--ease);
}
.card:hover{transform:translateY(-3px);border-color:var(--line-2);box-shadow:var(--shadow)}
.card__ico{
  display:grid;place-items:center;width:42px;height:42px;border-radius:12px;margin-bottom:18px;
  background:var(--tint);color:var(--brand);border:1px solid var(--line);
}
html[data-theme="dark"] .card__ico{color:#9AA5FF}
.card h3{margin-bottom:10px}
.card p{color:var(--text-2);font-size:.95rem}

/* ── Products ───────────────────────────────────────────── */
.product{
  padding:30px;border:1px solid var(--line);border-radius:var(--r-lg);
  background:var(--panel);
  transition:border-color .25s var(--ease),transform .25s var(--ease),box-shadow .25s var(--ease);
}
.product:hover{transform:translateY(-3px);border-color:var(--line-2);box-shadow:var(--shadow)}
.product--hero{
  display:grid;grid-template-columns:1.25fr .75fr;gap:clamp(26px,4vw,52px);align-items:center;
  padding:clamp(28px,3.4vw,44px);margin-bottom:18px;
  background:
    radial-gradient(120% 140% at 0% 0%,var(--tint),transparent 58%),
    var(--panel);
}
.product__body{min-width:0}
.product__top{display:flex;align-items:center;gap:12px;margin-bottom:14px;flex-wrap:wrap}
.product--hero h3{font-size:clamp(1.5rem,1.2rem + 1vw,2rem)}
.product__desc{color:var(--text-2);font-size:.97rem;max-width:62ch}
.product .link-arrow{margin-top:24px}

/* Abstract product panel — illustrative, not live data */
.mini{
  border:1px solid var(--line);border-radius:var(--r);overflow:hidden;
  background:var(--bg);box-shadow:var(--shadow);
}
.mini__bar{display:flex;align-items:center;gap:6px;padding:11px 14px;border-bottom:1px solid var(--line);background:var(--panel-2)}
.mini__bar span{width:9px;height:9px;border-radius:50%;background:var(--line-2)}
.mini__bar i{margin-left:8px;font-style:normal;font-size:.74rem;font-weight:600;color:var(--text-3);letter-spacing:.04em}
.mini__rows{padding:8px}
.mini__row{
  display:flex;justify-content:space-between;align-items:center;gap:12px;
  padding:11px 12px;border-radius:9px;font-size:.84rem;
}
.mini__row:nth-child(odd){background:var(--panel-2)}
.mini__row em{font-style:normal;color:var(--text-2)}
.mini__row b{font-weight:600;font-variant-numeric:tabular-nums}
.mini__row--accent{background:rgba(0,194,168,.1)!important;border:1px solid rgba(0,194,168,.3)}
.mini__row--accent em,.mini__row--accent b{color:var(--teal)}
.mini__foot{padding:11px 14px;border-top:1px solid var(--line);font-size:.74rem;color:var(--text-3);letter-spacing:.05em}

/* ── Roadmap ────────────────────────────────────────────── */
.road{display:flex;flex-direction:column;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden}
.road li{display:flex;align-items:flex-start;gap:20px;padding:24px 28px;background:var(--bg-2);transition:background-color .25s}
.road li:hover{background:var(--panel-2)}
.road li>.chip{flex-shrink:0;margin-top:3px;min-width:86px;justify-content:center}
.road li div{display:flex;flex-direction:column;gap:3px}
.road li b{font-family:var(--display);font-size:1.02rem;font-weight:600;letter-spacing:-.015em}
.road li span{color:var(--text-2);font-size:.92rem}

/* ── About ──────────────────────────────────────────────── */
.about{display:grid;grid-template-columns:1.3fr .7fr;gap:clamp(32px,5vw,68px);align-items:start}
.about__copy h2{margin-bottom:22px}
.about__copy p{color:var(--text-2);margin-bottom:16px;max-width:62ch}
.about__panel{padding:28px;border:1px solid var(--line);border-radius:var(--r-lg);background:var(--panel-2);position:sticky;top:96px}
.about__panel h3{font-size:.78rem;letter-spacing:.11em;text-transform:uppercase;color:var(--text-3);margin-bottom:18px}
.about__panel dl>div{display:flex;flex-direction:column;gap:2px;padding:12px 0;border-top:1px solid var(--line)}
.about__panel dl>div:first-child{border-top:0;padding-top:0}
.about__panel dt{font-size:.78rem;color:var(--text-3);letter-spacing:.05em;text-transform:uppercase}
.about__panel dd{font-size:.94rem;font-weight:500}

/* ── CTA ────────────────────────────────────────────────── */
.cta{
  position:relative;overflow:hidden;text-align:center;
  padding:clamp(44px,6vw,80px) clamp(24px,4vw,56px);
  border:1px solid var(--line);border-radius:var(--r-lg);
  background:linear-gradient(180deg,var(--panel-2),var(--panel));
}
.cta__glow{
  position:absolute;top:-180px;left:50%;transform:translateX(-50%);
  width:560px;height:360px;border-radius:50%;filter:blur(90px);opacity:.4;
  background:radial-gradient(circle,var(--brand),transparent 65%);pointer-events:none;
}
.cta h2{position:relative;margin-bottom:16px}
.cta p{position:relative;color:var(--text-2);max-width:56ch;margin-inline:auto}
.cta__actions{position:relative;display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:32px}

/* ── Footer ─────────────────────────────────────────────── */
.foot{border-top:1px solid var(--line);background:var(--bg-2);padding-top:clamp(48px,5vw,68px)}
.foot__inner{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:36px}
.foot__brand p{margin-top:16px;color:var(--text-2);font-size:.9rem;max-width:34ch}
.foot__col{display:flex;flex-direction:column;gap:10px}
.foot__col h4{margin:0 0 4px;font-size:.78rem;letter-spacing:.11em;text-transform:uppercase;color:var(--text-3);font-weight:600}
.foot__col a{color:var(--text-2);font-size:.92rem;transition:color .2s}
.foot__col a:hover{color:var(--brand)}
html[data-theme="dark"] .foot__col a:hover{color:#9AA5FF}
.foot__bar{
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
  margin-top:clamp(40px,5vw,60px);padding-block:22px;border-top:1px solid var(--line);
  color:var(--text-3);font-size:.84rem;
}
.foot__bar p{margin:0}

/* ── Responsive ─────────────────────────────────────────── */
@media (max-width:1000px){
  .hero__inner{grid-template-columns:1fr}
  /* Headline stays first on narrow screens; the diagram follows it. */
  .hero__visual{max-width:520px;margin-inline:auto;width:100%}
  .product--hero{grid-template-columns:1fr}
  .product__side{max-width:460px;margin-inline:auto;width:100%}
  .about{grid-template-columns:1fr}
  .about__panel{position:static}
  .cards--3{grid-template-columns:repeat(2,1fr)}
  .facts__grid{grid-template-columns:repeat(2,1fr)}
}

@media (max-width:860px){
  .nav__burger{display:grid}
  .nav__cta{display:none}
  .nav__links{
    position:absolute;top:72px;left:var(--gutter);right:var(--gutter);
    flex-direction:column;gap:2px;padding:12px;
    border:1px solid var(--line);border-radius:var(--r);
    background:var(--bg);box-shadow:var(--shadow);
    opacity:0;visibility:hidden;transform:translateY(-8px);
    transition:opacity .2s,transform .2s,visibility .2s;
  }
  .nav__links.is-open{opacity:1;visibility:visible;transform:none}
  .nav__links a{padding:12px 14px;font-size:1rem}
  .nav__actions{margin-left:auto}
}

@media (max-width:680px){
  :root{--gutter:18px}
  .cards--3,.cards--2{grid-template-columns:1fr}
  .foot__inner{grid-template-columns:1fr 1fr;gap:28px}
  .tree__row{grid-template-columns:1fr;gap:26px}
  .tree__row::before{display:none}
  .tree__row .node::before{top:-26px;height:26px}
  .tree__row .node:not(:first-child)::before{top:-26px}
  .road li{flex-direction:column;gap:12px}
  .card,.product{padding:24px}
  .fact{padding:24px 20px}
  .btn{width:100%}
  .hero__cta,.cta__actions{flex-direction:column}
}

@media (max-width:420px){
  .facts__grid{grid-template-columns:1fr}
  .foot__inner{grid-template-columns:1fr}
}