:root{
  --graphite:#10161c;
  --panel:#161e26;
  --panel-line:rgba(240,162,2,0.14);
  --blueprint:#1c3d5e;
  --paper:#eef1f0;
  --paper-line:rgba(28,61,94,0.14);
  --amber:#f0a202;
  --amber-dim:#c98600;
  --copper:#b5651d;
  --ink:#10151a;
  --mist:#9fb0bc;
  --mist-dim:#6d7d88;
  --white:#f5f7f8;
  --display: 'Space Grotesk', sans-serif;
  --body: 'IBM Plex Sans', sans-serif;
  --mono: 'IBM Plex Mono', monospace;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  background:var(--graphite);
  color:var(--white);
  font-family:var(--body);
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
.wrap{max-width:1180px;margin:0 auto;padding:0 32px;}
.eyebrow{
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color:var(--amber);
  display:flex;
  align-items:center;
  gap:10px;
}
.eyebrow::before{
  content:"";
  width:18px;height:1px;
  background:var(--amber);
  display:inline-block;
}
h1,h2,h3{font-family:var(--display);font-weight:600;letter-spacing:-0.01em;}
::selection{background:var(--amber);color:var(--ink);}

/* focus visibility */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{
  outline:2px solid var(--amber);
  outline-offset:3px;
}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important;}
}

/* ---------- NAV ---------- */
header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(16,22,28,0.86);
  backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(255,255,255,0.06);
}
nav{
  display:flex;align-items:center;justify-content:space-between;
  height:76px;
}
.logo{
  font-family:var(--display);
  font-size:20px;font-weight:700;
  letter-spacing:0.02em;
  display:flex;align-items:center;gap:10px;
}
.logo .mark{
  width:30px;height:30px;flex-shrink:0;
}
.logo .sub{
  font-family:var(--mono);font-size:10px;font-weight:400;
  color:var(--mist);letter-spacing:0.08em;
  display:block;margin-top:1px;
}
.nav-links{display:flex;align-items:center;gap:36px;}
.nav-links a{
  font-size:14px;color:var(--mist);
  transition:color 0.2s;
  position:relative;
}
.nav-links a:hover{color:var(--white);}
.btn{
  font-family:var(--body);
  font-weight:600;
  font-size:14px;
  padding:12px 22px;
  border-radius:2px;
  border:1px solid transparent;
  cursor:pointer;
  display:inline-flex;
  align-items:center;
  gap:8px;
  transition:transform 0.15s, background 0.2s, border-color 0.2s;
}
.btn:hover{transform:translateY(-1px);}
.btn-primary{background:var(--amber);color:var(--ink);}
.btn-primary:hover{background:#ffb31f;}
.btn-ghost{border-color:rgba(255,255,255,0.22);color:var(--white);}
.btn-ghost:hover{border-color:var(--amber);color:var(--amber);}
.btn-dark{background:var(--ink);color:var(--white);}
.btn-dark:hover{background:#000;}
.menu-toggle{display:none;background:none;border:none;color:var(--white);font-size:24px;cursor:pointer;}

/* ---------- HERO ---------- */
.hero{
  padding:168px 0 100px;
  position:relative;
  background:
    radial-gradient(ellipse 900px 500px at 85% -10%, rgba(28,61,94,0.55), transparent 60%),
    var(--graphite);
  border-bottom:1px solid rgba(255,255,255,0.06);
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size:44px 44px;
  pointer-events:none;
}
.hero-grid{
  display:grid;
  grid-template-columns:1.05fr 0.95fr;
  gap:40px;
  align-items:center;
  position:relative;
}
.hero h1{
  font-size:clamp(34px, 4.4vw, 54px);
  line-height:1.08;
  margin:20px 0 24px;
}
.hero h1 .accent{color:var(--amber);}
.hero p.lead{
  font-size:17px;
  color:var(--mist);
  max-width:520px;
  margin-bottom:34px;
}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:44px;}
.hero-specs{
  display:flex;gap:28px;
  font-family:var(--mono);
  font-size:12px;
  color:var(--mist-dim);
  flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,0.08);
  padding-top:20px;
}
.hero-specs strong{color:var(--white);font-size:13px;display:block;font-family:var(--body);font-weight:600;margin-bottom:2px;}

/* schematic signature element */
.schematic{
  position:relative;
  width:100%;
  aspect-ratio:1/0.92;
}
.schematic svg{width:100%;height:100%;overflow:visible;}
.sch-node-box{fill:var(--panel);stroke:rgba(255,255,255,0.14);stroke-width:1;}
.sch-label{font-family:'IBM Plex Mono',monospace;font-size:10.5px;fill:var(--mist);letter-spacing:0.04em;}
.sch-label-sub{font-family:'IBM Plex Mono',monospace;font-size:8.5px;fill:var(--mist-dim);}
.sch-line{stroke:rgba(240,162,2,0.35);stroke-width:1.4;fill:none;stroke-dasharray:5 5;}
.sch-pulse{stroke:var(--amber);stroke-width:2;fill:none;stroke-linecap:round;}
.sch-dot{fill:var(--amber);}

/* ---------- SECTION SHELL ---------- */
section{padding:110px 0;}
.section-head{max-width:640px;margin-bottom:64px;}
.section-head h2{
  font-size:clamp(28px,3vw,38px);
  margin-top:16px;
  line-height:1.15;
}
.section-head p{color:var(--mist);font-size:16px;margin-top:16px;}
.light .section-head p{color:var(--mist-dim);}

/* ---------- SERVICES ---------- */
.services-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:1px;
  background:rgba(255,255,255,0.08);
  border:1px solid rgba(255,255,255,0.08);
}
.service-card{
  background:var(--graphite);
  padding:38px 32px;
  position:relative;
  transition:background 0.25s;
}
.service-card:hover{background:var(--panel);}
.service-tag{
  font-family:var(--mono);font-size:11px;color:var(--amber);
  letter-spacing:0.08em;text-transform:uppercase;
  margin-bottom:18px;display:block;
}
.service-icon{width:34px;height:34px;margin-bottom:20px;color:var(--amber);}
.service-card h3{font-size:19px;margin-bottom:12px;}
.service-card p{font-size:14.5px;color:var(--mist);margin-bottom:18px;}
.service-list{list-style:none;font-size:13.5px;color:var(--mist-dim);font-family:var(--mono);}
.service-list li{padding:5px 0;border-top:1px solid rgba(255,255,255,0.06);}
.service-list li:first-child{border-top:none;}

/* ---------- METHOD (paper section) ---------- */
.light{
  background:var(--paper);
  color:var(--ink);
  position:relative;
}
.light::before{
  content:"";
  position:absolute;inset:0;
  background-image:
    linear-gradient(var(--paper-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--paper-line) 1px, transparent 1px);
  background-size:36px 36px;
  pointer-events:none;
}
.light .eyebrow{color:var(--copper);}
.light .eyebrow::before{background:var(--copper);}
.light .section-head h2{color:var(--ink);}

.method-track{
  position:relative;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:26px;
}
.method-track::before{
  content:"";
  position:absolute;top:23px;left:5%;right:5%;height:1px;
  background:repeating-linear-gradient(90deg, var(--copper) 0 8px, transparent 8px 14px);
  z-index:0;
}
.method-step{position:relative;z-index:1;}
.method-num{
  width:46px;height:46px;
  border-radius:50%;
  background:var(--white);
  border:1.5px solid var(--copper);
  color:var(--copper);
  font-family:var(--mono);font-weight:500;font-size:14px;
  display:flex;align-items:center;justify-content:center;
  margin-bottom:22px;
}
.method-step h3{font-size:17px;margin-bottom:10px;color:var(--ink);}
.method-step p{font-size:14px;color:#4a5761;}

/* ---------- METRICS ---------- */
.metrics{
  background:var(--blueprint);
  padding:70px 0;
  border-top:1px solid rgba(255,255,255,0.08);
  border-bottom:1px solid rgba(255,255,255,0.08);
}
.metrics-grid{
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:20px;
}
.metric{border-left:1px solid rgba(255,255,255,0.18);padding-left:20px;}
.metric .num{
  font-family:var(--display);font-size:clamp(30px,3.2vw,42px);
  color:var(--amber);font-weight:700;line-height:1;
}
.metric .cap{
  font-family:var(--mono);font-size:12px;color:#c3d3de;
  margin-top:10px;letter-spacing:0.02em;
}

/* ---------- TEAM ---------- */
.team-grid{
  display:grid;grid-template-columns:1fr 1fr;
  gap:36px;
}
.team-card{
  background:var(--panel);
  border:1px solid rgba(255,255,255,0.08);
  overflow:hidden;
}
.team-photo{
  aspect-ratio:unset;
  height:450px;
  width: 550px;
  background:
    linear-gradient(135deg, rgba(240,162,2,0.08), rgba(28,61,94,0.4)),
    repeating-linear-gradient(45deg, rgba(255,255,255,0.035) 0 2px, transparent 2px 14px);
  display:flex;align-items:center;justify-content:center;
  flex-direction:column;
  gap:10px;
  position:relative;
  border-bottom:1px solid rgba(255,255,255,0.08);
}
.team-photo img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:none;
object-position: center top;
}
.team-photo.has-img img{display:block;}
.team-photo.has-img .placeholder-txt{display:none;}
.placeholder-txt{
  font-family:var(--mono);font-size:11.5px;color:var(--mist-dim);
  text-align:center;letter-spacing:0.04em;
}
.placeholder-icon{width:38px;height:38px;color:var(--mist-dim);}
.team-info{padding:28px 30px 32px;}
.team-info .role{
  font-family:var(--mono);font-size:11.5px;color:var(--amber);
  letter-spacing:0.06em;text-transform:uppercase;margin-bottom:6px;
}
.team-info h3{font-size:21px;margin-bottom:12px;}
.team-info p{font-size:14.5px;color:var(--mist);}

/* ---------- CTA / CONTACT ---------- */
.contact{
  background:var(--graphite);
  position:relative;
}
.contact-grid{
  display:grid;
  grid-template-columns:0.9fr 1.1fr;
  gap:60px;
}
.contact-side h2{font-size:clamp(26px,3vw,34px);margin-bottom:18px;line-height:1.18;}
.contact-side p{color:var(--mist);font-size:15.5px;margin-bottom:30px;max-width:420px;}
.contact-detail{
  display:flex;gap:12px;align-items:flex-start;
  margin-bottom:20px;font-size:14.5px;
}
.contact-detail .k{font-family:var(--mono);color:var(--mist-dim);min-width:88px;font-size:12px;padding-top:2px;}

form{
  background:var(--panel);
  border:1px solid rgba(255,255,255,0.08);
  padding:36px;
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{margin-bottom:20px;}
.field label{
  display:block;font-family:var(--mono);font-size:11px;
  color:var(--mist);letter-spacing:0.05em;text-transform:uppercase;
  margin-bottom:8px;
}
.field input, .field textarea, .field select{
  width:100%;
  background:var(--graphite);
  border:1px solid rgba(255,255,255,0.14);
  color:var(--white);
  padding:12px 14px;
  font-family:var(--body);
  font-size:14px;
  border-radius:2px;
  transition:border-color 0.2s;
}
.field input:focus, .field textarea:focus, .field select:focus{
  border-color:var(--amber);
  outline:none;
}
.field textarea{resize:vertical;min-height:90px;}
form .btn{width:100%;justify-content:center;margin-top:6px;}

/* ---------- FOOTER ---------- */
footer{
  border-top:1px solid rgba(255,255,255,0.08);
  padding:44px 0;
}
.footer-grid{
  display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:20px;
}
.footer-grid .logo{font-size:16px;}
.footer-links{display:flex;gap:28px;font-size:13.5px;color:var(--mist);}
.footer-note{font-family:var(--mono);font-size:11.5px;color:var(--mist-dim);}

/* ---------- RESPONSIVE ---------- */
@media (max-width:900px){
  .nav-links{
    display:flex;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    position:absolute;
    top:76px;left:0;right:0;
    background:var(--graphite);
    border-bottom:1px solid rgba(255,255,255,0.08);
    max-height:0;
    overflow:hidden;
    transition:max-height 0.25s ease;
  }
  .nav-links.open{max-height:360px;}
  .nav-links a{
    padding:16px 32px;
    border-top:1px solid rgba(255,255,255,0.06);
  }
  .nav-links .btn{margin:16px 32px;justify-content:center;}
  .menu-toggle{display:block;}
  .hero-grid{grid-template-columns:1fr;}
  .schematic{order:-1;max-width:420px;margin:0 auto 20px;}
  .services-grid{grid-template-columns:1fr;}
  .method-track{grid-template-columns:1fr 1fr;row-gap:40px;}
  .method-track::before{display:none;}
  .metrics-grid{grid-template-columns:1fr 1fr;row-gap:32px;}
  .team-grid{grid-template-columns:1fr;}
  .contact-grid{grid-template-columns:1fr;}
  .form-row{grid-template-columns:1fr;}
}

@media (max-width:560px){
  .wrap{padding:0 20px;}
  nav{height:64px;}
  .nav-links{top:64px;}
  .hero{padding-top:110px;}
  .hero h1{font-size:clamp(28px,8vw,36px);}
  .hero p.lead{font-size:15.5px;}
  .hero-ctas{flex-direction:column;align-items:stretch;}
  .hero-ctas .btn{justify-content:center;}
  .hero-specs{flex-direction:column;gap:16px;}
  section{padding:70px 0;}
  .metrics{padding:48px 0;}
  .metrics-grid{grid-template-columns:1fr;row-gap:28px;}
  .metric{border-left:none;border-top:2px solid rgba(255,255,255,0.18);padding-left:0;padding-top:16px;}
  .method-track{grid-template-columns:1fr;row-gap:32px;}
  .service-card{padding:30px 24px;}
  form{padding:24px;}
  .team-info{padding:22px 20px 26px;}
  .footer-grid{flex-direction:column;align-items:flex-start;text-align:left;}
}

/* ---------- CONSENT CHECKBOX ---------- */
.field-consent{margin-bottom:22px;}
.consent-label{
  display:flex;
  align-items:flex-start;
  gap:10px;
  cursor:pointer;
  font-family:var(--body);
  font-size:13px;
  color:var(--mist);
  line-height:1.5;
  text-transform:none;
  letter-spacing:normal;
}
.consent-label input[type="checkbox"]{
  width:16px;height:16px;
  margin-top:2px;
  accent-color:var(--amber);
  flex-shrink:0;
}
.consent-label a{color:var(--amber);text-decoration:underline;}

/* ---------- FORM STATUS ---------- */
.form-status{
  font-family:var(--mono);
  font-size:13px;
  margin-top:14px;
  min-height:18px;
}
.form-status.success{color:#7fd88f;}
.form-status.error{color:#f28b82;}

/* ---------- WHATSAPP FLOATING BUTTON ---------- */
.whatsapp-float{
  position:fixed;
  bottom:24px;right:24px;
  width:58px;height:58px;
  border-radius:50%;
  background:#25D366;
  color:#0d1b12;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 18px rgba(0,0,0,0.35);
  z-index:90;
  transition:transform 0.2s;
}
.whatsapp-float:hover{transform:scale(1.08);}

@media (max-width:560px){
  .whatsapp-float{width:52px;height:52px;bottom:16px;right:16px;}
}