/* ==========================================================
   Smart Digitizers — Blueprint System
   Design tokens
   ========================================================== */
:root{
  --navy-900:#0B1D2E;
  --navy-800:#122A42;
  --navy-700:#1B3A57;
  --grid-line:rgba(226,138,51,0.08);
  --grid-line-soft:rgba(255,255,255,0.05);
  --paper:#F1EEE3;
  --paper-ink:#16283D;
  --paper-muted:#5B6B7C;
  --text-onDark:#E8E4D8;
  --text-onDark-muted:#9FB0C2;
  --accent:#E28A33;
  --accent-light:#F0A85C;
  --accent-2:#6FB8C9;
  --success:#6FAE8E;
  --border-dark:rgba(232,228,216,0.14);

  --font-display:'Space Grotesk', 'Segoe UI', sans-serif;
  --font-body:'Inter', 'Segoe UI', sans-serif;
  --font-mono:'IBM Plex Mono', 'Courier New', monospace;

  --max-w:1180px;
  --radius:4px;
  --transition:220ms cubic-bezier(.4,0,.2,1);
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation-duration:0.001ms !important;animation-iteration-count:1 !important;transition-duration:0.001ms !important;scroll-behavior:auto !important;}
}

body{
  margin:0;
  background:var(--navy-900);
  color:var(--text-onDark);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}

img,svg{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul,ol{list-style:none;margin:0;padding:0;}
button{font:inherit;cursor:pointer;}

.wrap{
  max-width:var(--max-w);
  margin:0 auto;
  padding:0 24px;
}

h1,h2,h3{
  font-family:var(--font-display);
  font-weight:600;
  line-height:1.15;
  margin:0 0 16px;
  letter-spacing:-0.01em;
}
h1{font-size:clamp(2.2rem,4.2vw,3.4rem);font-weight:700;}
h2{font-size:clamp(1.7rem,3vw,2.5rem);}
h3{font-size:1.15rem;margin-bottom:8px;}
p{margin:0 0 16px;color:var(--text-onDark-muted);}
.section-dark p, .hero p.lede{color:var(--text-onDark-muted);}

.eyebrow{
  font-family:var(--font-mono);
  font-size:0.78rem;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color:var(--accent);
  margin:0 0 14px;
}
.eyebrow-dark{color:var(--accent);}

.skip-link{
  position:absolute;left:-999px;top:0;
  background:var(--accent);color:var(--navy-900);
  padding:10px 16px;z-index:200;font-weight:600;
}
.skip-link:focus{left:12px;top:12px;}

:focus-visible{
  outline:2px solid var(--accent-2);
  outline-offset:3px;
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;
  border-radius:var(--radius);
  font-weight:600;font-size:0.95rem;
  border:1px solid transparent;
  transition:transform var(--transition), background var(--transition), border-color var(--transition);
}
.btn-accent{
  background:var(--accent);
  color:var(--navy-900);
}
.btn-accent:hover{background:var(--accent-light);transform:translateY(-1px);}
.btn-ghost{
  border-color:var(--border-dark);
  color:var(--text-onDark);
}
.btn-ghost:hover{border-color:var(--accent-2);color:var(--accent-2);}
.btn-sm{padding:9px 18px;font-size:0.85rem;}
.btn-block{width:100%;}

/* ==========================================================
   Header
   ========================================================== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(11,29,46,0.72);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color var(--transition), background var(--transition);
}
.site-header.scrolled{
  background:rgba(11,29,46,0.94);
  border-bottom-color:var(--border-dark);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  height:74px;
}
.logo{display:flex;align-items:center;gap:10px;}
.logo-mark{display:block;height:32px;width:auto;object-fit:contain;}
.logo-word{font-family:var(--font-display);font-weight:600;font-size:1.05rem;color:var(--text-onDark);}
.logo-word em{font-style:normal;color:var(--accent);}

.main-nav{display:flex;gap:32px;}
.main-nav a{
  font-size:0.92rem;font-weight:500;color:var(--text-onDark-muted);
  position:relative;padding:4px 0;
  transition:color var(--transition);
}
.main-nav a:hover{color:var(--text-onDark);}
.main-nav a::after{
  content:'';position:absolute;left:0;bottom:-2px;width:0;height:1px;
  background:var(--accent);transition:width var(--transition);
}
.main-nav a:hover::after{width:100%;}

.header-cta{display:flex;align-items:center;gap:14px;}
.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:38px;height:38px;background:none;border:1px solid var(--border-dark);border-radius:var(--radius);
}
.nav-toggle span{width:16px;height:2px;background:var(--text-onDark);margin:0 auto;transition:transform var(--transition), opacity var(--transition);}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ==========================================================
   Hero
   ========================================================== */
.hero{
  position:relative;
  padding:150px 0 90px;
  overflow:hidden;
}
.blueprint-grid{
  position:absolute;inset:0;
  background-image:
    linear-gradient(var(--grid-line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line-soft) 1px, transparent 1px);
  background-size:44px 44px;
  mask-image:radial-gradient(ellipse at 30% 20%, black 10%, transparent 75%);
  pointer-events:none;
}
.hero::before{
  content:'';position:absolute;top:-10%;right:-10%;width:60%;height:70%;
  background:radial-gradient(circle, rgba(226,138,51,0.14) 0%, transparent 70%);
  pointer-events:none;
}
.hero-inner{
  position:relative;
  display:grid;
  grid-template-columns:1.1fr 0.9fr;
  gap:48px;
  align-items:center;
}
.hero-copy .lede{font-size:1.1rem;max-width:46ch;}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:44px;}

.hero-stats{display:flex;gap:36px;margin:0;padding-top:28px;border-top:1px solid var(--border-dark);flex-wrap:wrap;}
.hero-stats dt{font-family:var(--font-mono);font-size:1.4rem;color:var(--accent);font-weight:600;}
.hero-stats dd{margin:2px 0 0;font-size:0.82rem;color:var(--text-onDark-muted);}
.hero-microcopy{
  font-size:0.85rem;color:var(--text-onDark-muted);
  margin:-28px 0 40px;
  display:flex;align-items:center;gap:8px;
}
.hero-microcopy::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--success);flex:0 0 auto;}

/* ---------- Tech strip ---------- */
.tech-strip{
  background:var(--navy-800);
  border-top:1px solid var(--border-dark);
  border-bottom:1px solid var(--border-dark);
  padding:26px 0;
}
.tech-strip-inner{
  display:flex;align-items:center;gap:28px;flex-wrap:wrap;
}
.tech-strip-label{
  font-family:var(--font-mono);font-size:0.72rem;letter-spacing:0.08em;text-transform:uppercase;
  color:var(--text-onDark-muted);flex:0 0 auto;
}
.tech-list{display:flex;flex-wrap:wrap;gap:12px 26px;}
.tech-list li{
  font-family:var(--font-display);font-weight:600;font-size:0.92rem;
  color:var(--text-onDark);opacity:0.8;
}

/* ---------- Capability grid ---------- */
.capability-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:44px;}
.capability-chip{
  background:var(--navy-900);
  border:1px solid var(--border-dark);
  border-radius:var(--radius);
  padding:26px 24px;
  transition:transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.capability-chip:hover{transform:translateY(-3px);border-color:var(--accent);box-shadow:0 12px 28px -14px rgba(0,0,0,0.5);}
.chip-index{
  font-family:var(--font-mono);font-size:0.75rem;color:var(--accent-2);display:block;margin-bottom:10px;
}
.capability-chip h3{font-size:1.02rem;}
.capability-chip p{font-size:0.9rem;margin-bottom:0;}

.form-note{font-size:0.78rem;color:var(--text-onDark-muted);text-align:center;margin:12px 0 0;}

/* ---------- FAQ ---------- */
.faq-list{max-width:760px;margin-top:40px;}
.faq-item{
  border-bottom:1px solid rgba(22,40,61,0.14);
  padding:20px 0;
}
.faq-item summary{
  font-family:var(--font-display);font-weight:600;font-size:1.02rem;
  color:var(--paper-ink);cursor:pointer;list-style:none;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:'+';font-family:var(--font-mono);font-size:1.3rem;color:var(--accent);flex:0 0 auto;
  transition:transform var(--transition);
}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-item p{margin:14px 0 0;color:var(--paper-muted);font-size:0.95rem;}

.hero-diagram{padding:20px;}
.schematic{width:100%;height:auto;}
.node-legacy{fill:none;stroke:var(--text-onDark-muted);stroke-width:1.5;stroke-dasharray:5 4;}
.node-modern{fill:rgba(226,138,51,0.12);stroke:var(--accent);stroke-width:2;}
.node-assess{fill:var(--navy-800);stroke:var(--accent-2);stroke-width:1.5;}
.node-label{font-family:var(--font-mono);font-size:11px;fill:var(--text-onDark);text-anchor:middle;letter-spacing:0.03em;}
.node-label.light{fill:var(--accent-light);}
.node-label.small{font-size:9.5px;fill:var(--accent-2);}
.path-dash{fill:none;stroke:var(--accent);stroke-width:1.5;stroke-dasharray:6 5;stroke-dashoffset:100;animation:dashmove 30s linear infinite;}
.tick{stroke:var(--border-dark);stroke-width:1;}
.anno{font-family:var(--font-mono);font-size:10px;fill:var(--text-onDark-muted);text-anchor:middle;}
.pulse-dot{fill:var(--accent-2);animation:pulse 2.4s ease-in-out infinite;}

@keyframes dashmove{to{stroke-dashoffset:0;}}
@keyframes pulse{0%,100%{opacity:0.4;r:3;}50%{opacity:1;r:5;}}

/* ==========================================================
   Sections (generic)
   ========================================================== */
.section{padding:96px 0;}
.section-dark{background:var(--navy-800);}
.section-paper{background:var(--paper);color:var(--paper-ink);}
.section-paper h2, .dark-heading{color:var(--paper-ink);}
.section-paper p{color:var(--paper-muted);}
.section-intro{max-width:52ch;font-size:1.05rem;}

/* ---------- Challenges ---------- */
.challenges-grid{
  display:grid;grid-template-columns:1.1fr 0.9fr;gap:56px;align-items:center;margin-top:36px;
}
.challenges-copy p{max-width:56ch;}
.chart-svg{width:100%;height:auto;}
.axis{stroke:var(--border-dark);stroke-width:1;}
.chart-line-risk{fill:none;stroke:var(--accent-2);stroke-width:2;stroke-dasharray:4 4;opacity:0.7;}
.chart-line-stable{fill:none;stroke:var(--accent);stroke-width:2.5;}
.chart-label{font-family:var(--font-mono);font-size:11px;}
.chart-label.risk{fill:var(--accent-2);}
.chart-label.stable{fill:var(--accent);}
.risk-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px;}
.risk-tags li{
  font-family:var(--font-mono);font-size:0.75rem;
  border:1px solid var(--border-dark);border-radius:20px;
  padding:6px 14px;color:var(--text-onDark-muted);
}

/* ---------- Services ---------- */
.cards-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:44px;}
.spec-card{
  background:var(--navy-800);
  border:1px solid var(--border-dark);
  border-radius:var(--radius);
  padding:30px 26px;
  transition:transform var(--transition), border-color var(--transition);
}
.spec-card:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:0 16px 32px -16px rgba(0,0,0,0.55);}
.spec-tag{
  display:inline-block;font-family:var(--font-mono);font-size:0.72rem;
  color:var(--accent);border:1px solid var(--accent);border-radius:20px;
  padding:3px 10px;margin-bottom:16px;
}
.spec-card p{margin-bottom:0;font-size:0.95rem;}

/* ---------- Why Us ---------- */
.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:36px 32px;margin-top:44px;}
.why-item{border-top:2px solid var(--paper-ink);padding-top:18px;}
.why-icon{width:34px;height:34px;color:var(--accent);margin-bottom:14px;}
.why-item h3{color:var(--paper-ink);}
.why-item p{font-size:0.94rem;margin-bottom:0;}

/* ---------- Process ---------- */
.process-path{
  display:grid;grid-template-columns:repeat(3,1fr);gap:32px;margin-top:48px;
  position:relative;
}
.process-path::before{
  content:'';position:absolute;top:14px;left:8%;right:8%;height:1px;
  background:repeating-linear-gradient(90deg, var(--accent) 0 8px, transparent 8px 14px);
  opacity:0.6;
}
.process-path li{position:relative;padding-top:10px;}
.step-no{
  display:inline-block;font-family:var(--font-mono);font-size:1.6rem;font-weight:600;
  color:var(--accent);background:var(--navy-800);padding-right:8px;position:relative;z-index:1;
}
.process-path h3{margin-top:14px;}
.process-path p{font-size:0.95rem;max-width:32ch;}

/* ---------- Stats banner ---------- */
.stats-banner{
  background:linear-gradient(180deg, var(--navy-900), var(--navy-800));
  border-top:1px solid var(--border-dark);
  border-bottom:1px solid var(--border-dark);
  padding:64px 0;
}
.stats-grid{
  display:grid;grid-template-columns:repeat(6,1fr);gap:20px;text-align:center;
}
.stat-item{display:flex;flex-direction:column;gap:6px;}
.stat-num{font-family:var(--font-mono);font-size:clamp(1.6rem,2.6vw,2.1rem);font-weight:600;color:var(--accent);}
.stat-label{font-size:0.78rem;color:var(--text-onDark-muted);}

/* ---------- Testimonials ---------- */
.slider{overflow:hidden;margin-top:40px;}
.slider-track{display:flex;transition:transform 480ms cubic-bezier(.4,0,.2,1);}
.slide{
  flex:0 0 100%;
  background:var(--navy-800);
  border:1px solid var(--border-dark);
  border-radius:var(--radius);
  padding:40px;
  min-height:180px;
  box-shadow:0 20px 40px -24px rgba(0,0,0,0.6);
}
.slide p{font-size:1.1rem;color:var(--text-onDark);font-style:italic;max-width:64ch;}
.slide cite{font-family:var(--font-mono);font-size:0.82rem;color:var(--accent);font-style:normal;}
.slider-controls{display:flex;align-items:center;justify-content:center;gap:22px;margin-top:26px;}
.slider-btn{
  width:40px;height:40px;border-radius:50%;
  border:1px solid var(--border-dark);background:none;color:var(--text-onDark);
  transition:border-color var(--transition), color var(--transition);
}
.slider-btn:hover{border-color:var(--accent);color:var(--accent);}
.slider-dots{display:flex;gap:8px;}
.slider-dots button{
  width:8px;height:8px;border-radius:50%;border:none;background:var(--border-dark);padding:0;
}
.slider-dots button.active{background:var(--accent);}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start;}
.contact-details{margin-top:28px;display:flex;flex-direction:column;gap:16px;}
.contact-details li{display:flex;flex-direction:column;gap:2px;}
.contact-details strong{font-family:var(--font-mono);font-size:0.72rem;text-transform:uppercase;letter-spacing:0.1em;color:var(--text-onDark-muted);}
.contact-details a{color:var(--accent);font-weight:600;}

.contact-form{
  background:var(--navy-900);
  border:1px solid var(--border-dark);
  border-radius:var(--radius);
  padding:32px;
  box-shadow:0 24px 48px -24px rgba(0,0,0,0.65);
}
.form-row{margin-bottom:20px;display:flex;flex-direction:column;gap:6px;}
.form-row label{font-size:0.85rem;font-weight:600;color:var(--text-onDark);}
.form-row .optional{font-weight:400;color:var(--text-onDark-muted);}
.form-row input,.form-row textarea{
  background:var(--navy-800);
  border:1px solid var(--border-dark);
  border-radius:var(--radius);
  color:var(--text-onDark);
  padding:12px 14px;
  font-family:var(--font-body);
  font-size:0.95rem;
  resize:vertical;
  transition:border-color var(--transition);
}
.form-row input:focus,.form-row textarea:focus{border-color:var(--accent-2);}
.form-row.invalid input,.form-row.invalid textarea{border-color:#D9634F;}
.field-error{font-size:0.78rem;color:#E5876F;min-height:1em;}
.form-status{margin-top:16px;font-size:0.9rem;text-align:center;min-height:1.2em;}
.form-status.success{color:var(--success);}
.form-status.error{color:#E5876F;}

/* ==========================================================
   Footer
   ========================================================== */
.site-footer{background:var(--navy-900);border-top:1px solid var(--border-dark);padding:64px 0 0;}
.footer-inner{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:48px;padding-bottom:48px;}
.footer-brand p{margin-top:14px;font-size:0.9rem;max-width:38ch;}
.footer-links h3,.footer-contact h3{font-family:var(--font-mono);font-size:0.75rem;text-transform:uppercase;letter-spacing:0.1em;color:var(--text-onDark);margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;}
.footer-links a{display:block;padding:5px 0;color:var(--text-onDark-muted);font-size:0.92rem;transition:color var(--transition);}
.footer-links a:hover{color:var(--accent);}
.footer-contact{display:flex;flex-direction:column;gap:8px;}
.footer-contact a{color:var(--accent);font-size:0.92rem;}
.footer-contact span{color:var(--text-onDark-muted);font-size:0.92rem;}
.footer-bottom{
  border-top:1px solid var(--border-dark);
  padding:20px 24px;
  font-size:0.8rem;color:var(--text-onDark-muted);
  font-family:var(--font-mono);
}

/* ==========================================================
   Reveal-on-scroll
   ========================================================== */
.reveal{opacity:0;transform:translateY(18px);transition:opacity 640ms ease, transform 640ms ease;}
.reveal.in-view{opacity:1;transform:translateY(0);}

/* ==========================================================
   Responsive
   ========================================================== */
@media (max-width:980px){
  .hero-inner{grid-template-columns:1fr;}
  .hero-diagram{order:-1;max-width:420px;margin:0 auto;}
  .challenges-grid{grid-template-columns:1fr;}
  .cards-3{grid-template-columns:1fr 1fr;}
  .why-grid{grid-template-columns:1fr 1fr;}
  .capability-grid{grid-template-columns:1fr 1fr;}
  .process-path{grid-template-columns:1fr;gap:40px;}
  .process-path::before{display:none;}
  .stats-grid{grid-template-columns:repeat(3,1fr);}
  .contact-grid{grid-template-columns:1fr;}
  .footer-inner{grid-template-columns:1fr 1fr;}
}

@media (max-width:720px){
  .main-nav{
    position:fixed;top:74px;left:0;right:0;
    background:var(--navy-900);
    flex-direction:column;gap:0;
    border-bottom:1px solid var(--border-dark);
    max-height:0;overflow:hidden;
    transition:max-height var(--transition);
  }
  .main-nav.open{max-height:340px;}
  .main-nav a{padding:16px 24px;border-bottom:1px solid var(--border-dark);}
  .nav-toggle{display:flex;}
  .header-cta .btn-sm{display:none;}
  .cards-3{grid-template-columns:1fr;}
  .why-grid{grid-template-columns:1fr;}
  .capability-grid{grid-template-columns:1fr;}
  .tech-strip-inner{flex-direction:column;align-items:flex-start;gap:14px;}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .footer-inner{grid-template-columns:1fr;}
  .hero{padding:130px 0 70px;}
  .section{padding:72px 0;}
}