/* ============================================================
   IT GURU — design system
   Dark graphite + signal orange
   ============================================================ */
:root{
  --bg:#0E1013;
  --bg-2:#14171C;
  --panel:#1A1E24;
  --panel-2:#20252C;
  --line:rgba(255,255,255,.09);
  --line-strong:rgba(255,255,255,.16);

  --orange:#FF6B1A;
  --orange-2:#FF8A3D;
  --orange-dim:rgba(255,107,26,.13);
  --orange-glow:rgba(255,107,26,.35);

  --text:#EEF1F5;
  --muted:#9BA5B2;
  --muted-2:#6D7887;

  --radius:16px;
  --radius-lg:24px;
  --maxw:1240px;
  --shadow:0 24px 60px -24px rgba(0,0,0,.75);
  --font:'Inter',system-ui,-apple-system,'Segoe UI',sans-serif;
  --mono:'JetBrains Mono',ui-monospace,'SF Mono',Consolas,monospace;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font);background:var(--bg);color:var(--text);
  line-height:1.65;overflow-x:hidden;
  font-feature-settings:'ss01','cv11';
  -webkit-font-smoothing:antialiased;
}
img,svg,canvas{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
::selection{background:var(--orange);color:#0B0D10}
:focus-visible{outline:2px solid var(--orange);outline-offset:3px;border-radius:4px}

h1,h2,h3,h4{line-height:1.1;letter-spacing:-.025em;font-weight:700}
h1{font-size:clamp(2.6rem,5.6vw,4.6rem)}
h2{font-size:clamp(2rem,3.8vw,3.1rem)}
h3{font-size:clamp(1.15rem,1.8vw,1.4rem);letter-spacing:-.015em}
p{color:var(--muted)}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 1.6rem}
section{padding:6.5rem 0;position:relative}
@media(max-width:760px){section{padding:4.5rem 0}}

/* ---------- utility ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:.6rem;
  font-family:var(--mono);font-size:.7rem;font-weight:500;
  letter-spacing:.22em;text-transform:uppercase;color:var(--orange);
  margin-bottom:1.1rem;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--orange);opacity:.8}
.sec-head{max-width:44rem;margin-bottom:3.4rem}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head.center .eyebrow::before{display:none}
.sec-head p{margin-top:1.1rem;font-size:1.06rem}
.grad{
  background:linear-gradient(100deg,var(--orange) 0%,var(--orange-2) 55%,#FFB47A 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.rule{height:1px;background:var(--line);border:0}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.6rem;
  font-size:.9rem;font-weight:600;letter-spacing:.01em;
  padding:.92rem 1.7rem;border-radius:999px;border:1px solid transparent;
  transition:transform .18s ease,background .18s ease,border-color .18s ease,box-shadow .18s ease;
  cursor:pointer;white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(100deg,var(--orange),var(--orange-2));
  color:#12060029;color:#160A02;
  box-shadow:0 12px 34px -12px var(--orange-glow);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 44px -14px var(--orange-glow)}
.btn-ghost{border-color:var(--line-strong);color:var(--text);background:rgba(255,255,255,.02)}
.btn-ghost:hover{border-color:var(--orange);color:var(--orange);transform:translateY(-2px)}
.btn .arw{transition:transform .18s ease}
.btn:hover .arw{transform:translateX(3px)}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:900;
  background:rgba(14,16,19,.82);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.header-canvas{
  position:absolute;inset:0;width:100%;height:100%;z-index:0;pointer-events:none;
}
.site-header::after{
  content:"";position:absolute;inset:0;z-index:1;pointer-events:none;
  background:
    radial-gradient(420px 120px at 88% 50%, rgba(255,107,26,.13), transparent 70%),
    linear-gradient(90deg, rgba(14,16,19,.92) 0%, rgba(14,16,19,.55) 42%, rgba(14,16,19,.55) 70%, rgba(14,16,19,.86) 100%);
}
.nav{
  max-width:var(--maxw);margin:0 auto;padding:.9rem 1.6rem;
  display:flex;align-items:center;justify-content:space-between;gap:1.5rem;
  position:relative;z-index:2;
}
.brand{display:flex;align-items:center;gap:.7rem;flex:none}
.brand .glyph{width:34px;height:34px;flex:none}
.brand .wordmark{display:flex;flex-direction:column;line-height:1}
.brand .wordmark b{font-size:1.14rem;font-weight:700;letter-spacing:-.02em}
.brand .wordmark span{
  font-family:var(--mono);font-size:.56rem;letter-spacing:.28em;
  text-transform:uppercase;color:var(--muted-2);margin-top:.28rem;
}
.nav-links{display:flex;align-items:center;gap:.35rem}
.nav-links a{
  font-size:.88rem;font-weight:500;color:var(--muted);
  padding:.5rem .85rem;border-radius:8px;transition:.18s;position:relative;
}
.nav-links a:hover{color:var(--text);background:rgba(255,255,255,.05)}
.nav-links a.active{color:var(--orange)}
.nav-links a.active::after{
  content:"";position:absolute;left:.85rem;right:.85rem;bottom:.15rem;
  height:2px;background:var(--orange);border-radius:2px;
}
.nav-cta{margin-left:.6rem;padding:.68rem 1.3rem;font-size:.85rem}
.nav-toggle{
  display:none;background:none;border:1px solid var(--line-strong);
  border-radius:9px;padding:.5rem .6rem;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px}
.nav-toggle span+span{margin-top:4px}
@media(max-width:940px){
  .nav-toggle{display:block}
  .nav-links{
    position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:0;
    background:var(--bg-2);border-bottom:1px solid var(--line);
    padding:.6rem 1.2rem 1.2rem;display:none;z-index:3;
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:.85rem .4rem;border-radius:0;border-bottom:1px solid var(--line)}
  .nav-links a.active::after{display:none}
  .nav-cta{margin:.9rem 0 0;text-align:center;justify-content:center}
}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.hero-canvas{position:absolute;inset:0;width:100%;height:100%;z-index:0}
.hero::after{
  content:"";position:absolute;inset:0;z-index:1;pointer-events:none;
  background:
    radial-gradient(900px 460px at 78% 8%, rgba(255,107,26,.16), transparent 62%),
    radial-gradient(700px 420px at 8% 92%, rgba(255,138,61,.09), transparent 60%),
    linear-gradient(180deg, rgba(14,16,19,.30) 0%, rgba(14,16,19,.66) 72%, var(--bg) 100%);
}
.hero-inner{position:relative;z-index:2;padding:3.2rem 0 5.4rem;max-width:60rem}
.hero-sub{padding:2.6rem 0 3.4rem}
@media(max-width:760px){
  .hero-inner{padding:2.4rem 0 4rem}
  .hero-sub{padding:2rem 0 2.8rem}
}
.hero h1{margin-bottom:1.5rem}
.hero .lede{font-size:clamp(1.02rem,1.5vw,1.2rem);max-width:38rem;color:var(--muted)}
.hero-actions{display:flex;gap:.9rem;margin-top:2.4rem;flex-wrap:wrap}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;margin-top:4rem;position:relative;z-index:2;
}
.hero-stats div{background:var(--bg-2);padding:1.5rem 1.4rem}
.hero-stats b{display:block;font-size:1.85rem;font-weight:700;letter-spacing:-.03em;color:var(--orange)}
.hero-stats span{font-size:.8rem;color:var(--muted-2);letter-spacing:.02em}
@media(max-width:820px){.hero-stats{grid-template-columns:1fr 1fr}}

/* ---------- breadcrumb ---------- */
.crumb{
  font-family:var(--mono);font-size:.72rem;letter-spacing:.12em;
  text-transform:uppercase;color:var(--muted-2);margin-bottom:1.4rem;
}
.crumb a:hover{color:var(--orange)}
.crumb i{font-style:normal;color:var(--orange);margin:0 .5rem}

/* ---------- cards ---------- */
.grid{display:grid;gap:1.3rem}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
@media(max-width:1000px){.g3,.g4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:680px){.g2,.g3,.g4{grid-template-columns:1fr}}

.card{
  background:linear-gradient(170deg,var(--panel) 0%,var(--bg-2) 100%);
  border:1px solid var(--line);border-radius:var(--radius);
  padding:1.9rem 1.7rem;position:relative;overflow:hidden;
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--orange),transparent);
  opacity:0;transition:opacity .25s ease;
}
.card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow)}
.card:hover::before{opacity:.85}
.card h3{margin-bottom:.65rem}
.card p{font-size:.93rem}
.card .idx{
  font-family:var(--mono);font-size:.72rem;color:var(--orange);
  letter-spacing:.14em;margin-bottom:1rem;display:block;
}
.card-ico{
  width:46px;height:46px;border-radius:12px;display:grid;place-items:center;
  background:var(--orange-dim);border:1px solid rgba(255,107,26,.28);
  margin-bottom:1.2rem;color:var(--orange);
}
.card-ico svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.7}

/* ---------- solution blocks ---------- */
.sol{
  border:1px solid var(--line);border-radius:var(--radius-lg);
  background:linear-gradient(170deg,var(--panel) 0%,var(--bg-2) 100%);
  overflow:hidden;margin-bottom:1.5rem;scroll-margin-top:100px;
}
.sol-head{
  display:flex;gap:1.4rem;align-items:flex-start;
  padding:2.1rem 2.1rem 1.5rem;border-bottom:1px solid var(--line);
}
.sol-num{
  flex:none;width:54px;height:54px;border-radius:14px;
  display:grid;place-items:center;font-family:var(--mono);font-size:1.05rem;font-weight:600;
  background:linear-gradient(140deg,var(--orange),var(--orange-2));color:#160A02;
  box-shadow:0 10px 26px -12px var(--orange-glow);
}
.sol-head h3{font-size:1.5rem;margin-bottom:.5rem}
.sol-head p{font-size:.97rem;max-width:52rem}
.sol-body{padding:1.6rem 2.1rem 2.1rem;display:grid;grid-template-columns:1fr 1fr;gap:.9rem}
@media(max-width:820px){
  .sol-body{grid-template-columns:1fr}
  .sol-head{padding:1.6rem 1.4rem 1.2rem;gap:1rem}
  .sol-body{padding:1.3rem 1.4rem 1.7rem}
}
.sol-item{
  background:rgba(255,255,255,.022);border:1px solid var(--line);
  border-radius:12px;padding:1.05rem 1.2rem;transition:.2s;
}
.sol-item:hover{border-color:rgba(255,107,26,.42);background:rgba(255,107,26,.05)}
.sol-item b{display:block;font-size:.94rem;font-weight:600;margin-bottom:.28rem}
.sol-item span{font-size:.86rem;color:var(--muted);line-height:1.55;display:block}
.sol-item b::before{
  content:"▸";color:var(--orange);margin-right:.5rem;font-size:.8rem;
}

/* ---------- list ---------- */
.ticks{list-style:none;display:grid;gap:.7rem}
.ticks li{display:flex;gap:.75rem;align-items:flex-start;font-size:.94rem;color:var(--muted)}
.ticks li::before{
  content:"";flex:none;width:17px;height:17px;margin-top:.28rem;border-radius:50%;
  background:var(--orange-dim);border:1px solid rgba(255,107,26,.45);
  background-image:linear-gradient(transparent,transparent);
  position:relative;
}
.ticks li b{color:var(--text);font-weight:600}

/* ---------- split ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:3.4rem;align-items:center}
@media(max-width:900px){.split{grid-template-columns:1fr;gap:2.2rem}}

/* ---------- panel / cta ---------- */
.panel{
  background:linear-gradient(150deg,var(--panel-2) 0%,var(--bg-2) 100%);
  border:1px solid var(--line);border-radius:var(--radius-lg);padding:2.4rem;
}
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  background:linear-gradient(120deg,#1B1F26 0%,#15181D 55%,#1A1013 100%);
  border:1px solid var(--line-strong);padding:3.6rem 3rem;text-align:center;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(600px 260px at 50% 0%, rgba(255,107,26,.20), transparent 70%);
  pointer-events:none;
}
.cta-band>*{position:relative}
.cta-band h2{margin-bottom:.9rem}
.cta-band p{max-width:38rem;margin:0 auto 2rem}
.cta-actions{display:flex;gap:.9rem;justify-content:center;flex-wrap:wrap}
@media(max-width:600px){.cta-band{padding:2.4rem 1.4rem}}

/* ---------- industries ---------- */
.ind{
  display:flex;gap:1.2rem;align-items:flex-start;
  background:linear-gradient(170deg,var(--panel) 0%,var(--bg-2) 100%);
  border:1px solid var(--line);border-radius:var(--radius);padding:1.7rem 1.6rem;
  transition:transform .22s ease,border-color .22s ease;
}
.ind:hover{transform:translateY(-3px);border-color:rgba(255,107,26,.4)}
.ind .ind-ico{
  flex:none;width:44px;height:44px;border-radius:11px;display:grid;place-items:center;
  background:var(--orange-dim);border:1px solid rgba(255,107,26,.28);color:var(--orange);
}
.ind .ind-ico svg{width:21px;height:21px;stroke:currentColor;fill:none;stroke-width:1.7}
.ind h3{font-size:1.12rem;margin-bottom:.4rem}
.ind p{font-size:.9rem}
.ind .tags{display:flex;flex-wrap:wrap;gap:.4rem;margin-top:.9rem}
.ind .tags span{
  font-family:var(--mono);font-size:.66rem;letter-spacing:.06em;
  padding:.3rem .6rem;border-radius:6px;
  background:rgba(255,255,255,.04);border:1px solid var(--line);color:var(--muted-2);
}

/* ---------- use case ---------- */
.uc{
  border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;
  background:linear-gradient(170deg,var(--panel) 0%,var(--bg-2) 100%);
}
.uc-top{padding:1.9rem 1.9rem 1.4rem;border-bottom:1px solid var(--line)}
.uc-tag{
  display:inline-block;font-family:var(--mono);font-size:.66rem;letter-spacing:.16em;
  text-transform:uppercase;color:var(--orange);background:var(--orange-dim);
  border:1px solid rgba(255,107,26,.3);padding:.3rem .7rem;border-radius:6px;margin-bottom:1rem;
}
.uc-top h3{font-size:1.3rem;margin-bottom:.6rem}
.uc-top p{font-size:.93rem}
.uc-grid{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line)}
@media(max-width:640px){.uc-grid{grid-template-columns:1fr}}
.uc-cell{background:var(--bg-2);padding:1.3rem 1.6rem}
.uc-cell h4{
  font-family:var(--mono);font-size:.68rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--muted-2);margin-bottom:.6rem;font-weight:500;
}
.uc-cell p{font-size:.9rem;color:var(--muted)}
.uc-cell.res p{color:var(--text)}
.uc-metrics{display:flex;gap:1.8rem;flex-wrap:wrap;padding:1.3rem 1.6rem;background:var(--panel-2)}
.uc-metrics div b{display:block;font-size:1.5rem;color:var(--orange);letter-spacing:-.03em}
.uc-metrics div span{font-size:.76rem;color:var(--muted-2)}

/* ---------- process ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:1.2rem;counter-reset:s}
@media(max-width:900px){.steps{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.steps{grid-template-columns:1fr}}
.step{
  position:relative;padding:1.7rem 1.4rem;border:1px solid var(--line);
  border-radius:var(--radius);background:var(--bg-2);
}
.step .n{
  font-family:var(--mono);font-size:.72rem;color:var(--orange);
  letter-spacing:.14em;display:block;margin-bottom:.8rem;
}
.step h3{font-size:1.05rem;margin-bottom:.45rem}
.step p{font-size:.88rem}

/* ---------- contact ---------- */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.1rem}
@media(max-width:680px){.form-grid{grid-template-columns:1fr}}
.field{display:flex;flex-direction:column;gap:.45rem}
.field.full{grid-column:1/-1}
.field label{font-size:.82rem;font-weight:500;color:var(--text)}
.field label i{color:var(--orange);font-style:normal}
.field input,.field select,.field textarea{
  font-family:var(--font);font-size:.93rem;color:var(--text);
  background:rgba(255,255,255,.035);border:1px solid var(--line-strong);
  border-radius:10px;padding:.82rem .95rem;transition:.18s;width:100%;
}
.field textarea{resize:vertical;min-height:130px}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--orange);background:rgba(255,107,26,.05);
}
.field input::placeholder,.field textarea::placeholder{color:var(--muted-2)}
.field select option{background:var(--panel);color:var(--text)}
.form-note{font-size:.8rem;color:var(--muted-2);margin-top:1rem}
.contact-line{
  display:flex;gap:1rem;align-items:flex-start;padding:1.2rem 0;border-bottom:1px solid var(--line);
}
.contact-line:last-child{border-bottom:0}
.contact-line .ci{
  flex:none;width:40px;height:40px;border-radius:10px;display:grid;place-items:center;
  background:var(--orange-dim);border:1px solid rgba(255,107,26,.28);color:var(--orange);
}
.contact-line .ci svg{width:19px;height:19px;stroke:currentColor;fill:none;stroke-width:1.7}
.contact-line b{display:block;font-size:.93rem;margin-bottom:.15rem}
.contact-line span,.contact-line a{font-size:.89rem;color:var(--muted)}
.contact-line a:hover{color:var(--orange)}

/* ---------- footer ---------- */
.site-footer{background:var(--bg-2);border-top:1px solid var(--line);padding:4rem 0 0}
.foot-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:2.4rem;padding-bottom:3rem;
}
@media(max-width:900px){.foot-grid{grid-template-columns:1fr 1fr;gap:2rem}}
@media(max-width:560px){.foot-grid{grid-template-columns:1fr}}
.foot-grid h5{
  font-family:var(--mono);font-size:.7rem;letter-spacing:.18em;text-transform:uppercase;
  color:var(--muted-2);margin-bottom:1.1rem;font-weight:500;
}
.foot-grid ul{list-style:none;display:grid;gap:.6rem}
.foot-grid li a{font-size:.89rem;color:var(--muted);transition:.16s}
.foot-grid li a:hover{color:var(--orange)}
.foot-brand p{font-size:.9rem;margin:1.1rem 0 1.3rem;max-width:22rem}
.foot-bottom{
  border-top:1px solid var(--line);padding:1.4rem 0;
  display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;
  font-size:.82rem;color:var(--muted-2);
}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .65s cubic-bezier(.2,.7,.3,1),transform .65s cubic-bezier(.2,.7,.3,1)}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}