:root{
  --bg:#0B0F14;
  --surface:#121821;
  --surface-2:#182130;
  --border:#253140;
  --grid-line:#253140;
  --grid-opacity:0.15;
  --text:#DCE3EA;
  --text-dim:#8593A3;
  --teal:#4FD1C5;
  --teal-dim:#2C6E68;
  --amber:#F0A868;
  --ok:#5FD98A;
  --header-glass:rgba(11,15,20,0.85);
  --shadow-dropdown:rgba(0,0,0,0.4);
  --shadow-accent:rgba(79,209,197,0.25);
}
:root[data-theme="light"]{
  --bg:#FFFFFF;
  --surface:#F6F8F9;
  --surface-2:#EBEFF1;
  --border:#DFE5E9;
  --grid-line:#C3CDD3;
  --grid-opacity:0.65;
  --text:#12181F;
  --text-dim:#5C6670;
  --teal:#0E8577;
  --teal-dim:#BFE3DD;
  --amber:#B25F1E;
  --ok:#188A50;
  --header-glass:rgba(255,255,255,0.85);
  --shadow-dropdown:rgba(18,24,31,0.12);
  --shadow-accent:rgba(14,133,119,0.28);
}
*{box-sizing:border-box; margin:0; padding:0;}
html{scroll-behavior:smooth;}
body{
  background:var(--bg);
  color:var(--text);
  font-family:'Inter', sans-serif;
  line-height:1.5;
  overflow-x:hidden;
  transition:background-color 0.2s ease, color 0.2s ease;
}
.mono{font-family:'IBM Plex Mono', monospace;}
a{color:inherit; text-decoration:none;}

/* Background grid texture */
body::before{
  content:'';
  position:fixed; inset:0;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size:64px 64px;
  opacity:var(--grid-opacity);
  pointer-events:none;
  z-index:0;
}

/* HEADER / NAV */
header{
  position:sticky; top:0; z-index:50;
  display:flex; align-items:center; justify-content:space-between;
  padding:20px 6vw;
  background:var(--header-glass);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--border);
  gap:20px;
}
.logo{
  font-family:'IBM Plex Mono', monospace;
  font-weight:600;
  font-size:1.05rem;
  letter-spacing:0.02em;
  display:flex; align-items:center; gap:10px;
  white-space:nowrap;
}
.logo .dot{
  width:9px; height:9px; border-radius:50%;
  background:var(--ok);
  box-shadow:0 0 8px var(--ok);
  animation:pulse 2.4s infinite;
}
@keyframes pulse{
  0%,100%{opacity:1;}
  50%{opacity:0.35;}
}
nav{display:flex; align-items:center; gap:32px; font-size:0.92rem;}
nav > a{color:var(--text-dim); transition:color 0.2s;}
nav > a:hover, nav > a.active{color:var(--teal);}

.nav-dropdown{position:relative;}
.nav-dropdown summary{
  list-style:none;
  cursor:pointer;
  color:var(--text-dim);
  transition:color 0.2s;
  display:flex; align-items:center; gap:6px;
}
.nav-dropdown summary::-webkit-details-marker{display:none;}
.nav-dropdown summary::after{content:'▾'; font-size:0.7em;}
.nav-dropdown[open] summary, .nav-dropdown summary:hover{color:var(--teal);}
.dropdown-menu{
  display:none; flex-direction:column;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:6px;
  padding:8px;
  min-width:260px;
}
.dropdown-menu a{
  padding:10px 12px;
  border-radius:4px;
  color:var(--text-dim);
  font-size:0.9rem;
  transition:background 0.15s, color 0.15s;
}
.dropdown-menu a:hover{background:var(--surface-2); color:var(--teal);}

@media(min-width:781px){
  .nav-dropdown .dropdown-menu{
    position:absolute; top:calc(100% + 12px); left:50%;
    transform:translateX(-50%);
    box-shadow:0 12px 32px var(--shadow-dropdown);
  }
  /* Opens on hover/focus only — the native `open` attribute is ignored on
     desktop so a page loaded with the dropdown pre-expanded never gets stuck. */
  .nav-dropdown:hover .dropdown-menu,
  .nav-dropdown:focus-within .dropdown-menu{
    display:flex;
  }
}
@media(max-width:780px){
  .nav-dropdown[open] .dropdown-menu{display:flex;}
}

.btn{
  font-family:'IBM Plex Mono', monospace;
  font-size:0.85rem;
  padding:10px 18px;
  border:1px solid var(--teal-dim);
  border-radius:3px;
  color:var(--teal);
  transition:all 0.2s;
  white-space:nowrap;
}
.btn:hover{background:var(--teal); color:var(--bg); border-color:var(--teal);}

.nav-toggle{
  display:none;
  flex-direction:column; justify-content:center; gap:5px;
  width:34px; height:34px;
  background:none; border:none; cursor:pointer;
  padding:0;
}
.nav-toggle span{
  display:block; width:100%; height:2px;
  background:var(--text);
  border-radius:1px;
  transition:transform 0.2s, opacity 0.2s;
}
.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);}

@media(max-width:780px){
  .nav-toggle{display:flex;}
  nav{
    position:fixed; top:73px; left:0; right:0;
    flex-direction:column; align-items:flex-start; gap:4px;
    background:var(--bg);
    border-bottom:1px solid var(--border);
    padding:16px 6vw 24px;
    max-height:0; overflow:hidden;
    transition:max-height 0.25s ease;
  }
  nav.open{max-height:80vh; overflow-y:auto;}
  nav > a{padding:12px 0; width:100%; border-bottom:1px solid var(--border);}
  .nav-dropdown{width:100%;}
  .nav-dropdown summary{padding:12px 0; border-bottom:1px solid var(--border);}
  .dropdown-menu{border:none; padding:0 0 0 14px; min-width:0;}
  .dropdown-menu a{padding:10px 0;}
  header .btn{display:none;}
}

.header-actions{display:flex; align-items:center; gap:10px;}

.theme-toggle{
  display:flex; align-items:center; justify-content:center;
  width:34px; height:34px;
  background:none;
  border:1px solid var(--border);
  border-radius:3px;
  color:var(--text-dim);
  cursor:pointer;
  transition:color 0.2s, border-color 0.2s;
  flex-shrink:0;
}
.theme-toggle:hover{color:var(--teal); border-color:var(--teal-dim);}
.theme-toggle svg{width:16px; height:16px;}
.theme-toggle .icon-moon{display:none;}
:root[data-theme="light"] .theme-toggle .icon-sun{display:none;}
:root[data-theme="light"] .theme-toggle .icon-moon{display:block;}

main{position:relative; z-index:1;}

/* HERO (home) */
.hero{
  min-height:88vh;
  display:flex; flex-direction:column; justify-content:center;
  padding:0 6vw;
  max-width:1180px;
  margin:0 auto;
}
.eyebrow{
  font-family:'IBM Plex Mono', monospace;
  color:var(--teal);
  font-size:0.85rem;
  letter-spacing:0.12em;
  margin-bottom:18px;
  display:flex; align-items:center; gap:10px;
}
.eyebrow::before{content:'//'; color:var(--text-dim);}
.terminal-line{
  font-family:'IBM Plex Mono', monospace;
  font-size:0.85rem;
  color:var(--text-dim);
  margin-bottom:26px;
  min-height:1.4em;
}
.terminal-line .cursor{
  display:inline-block; width:8px; height:1em;
  background:var(--teal);
  margin-left:2px;
  animation:blink 1s step-end infinite;
  vertical-align:middle;
}
@keyframes blink{50%{opacity:0;}}
h1{
  font-family:'IBM Plex Mono', monospace;
  font-weight:600;
  font-size:clamp(2.1rem, 5.4vw, 4rem);
  line-height:1.12;
  letter-spacing:-0.01em;
  max-width:14ch;
  margin-bottom:26px;
}
h1 .accent{color:var(--teal);}
.hero p{
  color:var(--text-dim);
  font-size:1.08rem;
  max-width:52ch;
  margin-bottom:36px;
}
.hero-actions{display:flex; gap:16px; flex-wrap:wrap;}
.btn-primary{
  font-family:'IBM Plex Mono', monospace;
  background:var(--teal); color:var(--bg);
  padding:14px 26px; border-radius:3px; font-size:0.92rem; font-weight:600;
  transition:transform 0.15s, box-shadow 0.15s;
  display:inline-block;
}
.btn-primary:hover{transform:translateY(-2px); box-shadow:0 8px 24px var(--shadow-accent);}
.btn-secondary{
  font-family:'IBM Plex Mono', monospace;
  border:1px solid var(--border); color:var(--text);
  padding:14px 26px; border-radius:3px; font-size:0.92rem;
  transition:border-color 0.2s;
  display:inline-block;
}
.btn-secondary:hover{border-color:var(--text-dim);}

/* PAGE HERO (subpages) */
.page-hero{
  padding:64px 6vw 20px;
  max-width:1180px;
  margin:0 auto;
}
.page-hero h1{
  font-size:clamp(1.9rem, 4.2vw, 3rem);
  max-width:20ch;
}
.page-hero p{
  color:var(--text-dim);
  font-size:1.05rem;
  max-width:62ch;
  margin-top:8px;
}
.breadcrumb{
  font-family:'IBM Plex Mono', monospace;
  font-size:0.78rem;
  color:var(--text-dim);
  margin-bottom:20px;
}
.breadcrumb a{color:var(--text-dim); transition:color 0.2s;}
.breadcrumb a:hover{color:var(--teal);}

/* STATUS PANEL - signature element */
.panel{
  max-width:1180px; margin:0 auto 60px; padding:0 6vw;
}
.panel-card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:6px;
  overflow:hidden;
}
.panel-head{
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 22px;
  border-bottom:1px solid var(--border);
  font-family:'IBM Plex Mono', monospace;
  font-size:0.8rem;
  color:var(--text-dim);
}
.panel-head .dots{display:flex; gap:6px;}
.panel-head .dots span{width:8px; height:8px; border-radius:50%; background:var(--border);}
.metrics{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(200px, 1fr));
}
.metric{
  padding:26px 22px;
  border-right:1px solid var(--border);
  border-top:1px solid var(--border);
}
.metric:nth-child(-n+4){border-top:none;}
.metric:last-child{border-right:none;}
.metric-label{
  font-family:'IBM Plex Mono', monospace;
  font-size:0.72rem;
  color:var(--text-dim);
  text-transform:uppercase; letter-spacing:0.08em;
  margin-bottom:10px;
}
.metric-value{
  font-family:'IBM Plex Mono', monospace;
  font-size:1.9rem;
  font-weight:600;
  color:var(--text);
}
.metric-value.ok{color:var(--ok);}
.metric-bar{
  margin-top:12px; height:4px; background:var(--surface-2); border-radius:2px; overflow:hidden;
}
.metric-bar div{height:100%; background:var(--teal); border-radius:2px;}

.trust-line{
  max-width:1180px; margin:0 auto 100px; padding:0 6vw;
  font-family:'IBM Plex Mono', monospace;
  font-size:0.92rem;
  color:var(--text-dim);
  display:flex; align-items:center; gap:10px;
}
.trust-line::before{content:'▸'; color:var(--teal);}

/* SECTIONS */
section{padding:90px 6vw; max-width:1180px; margin:0 auto;}
section.tight{padding-top:40px;}
.section-head{margin-bottom:56px; max-width:60ch;}
.section-head .eyebrow::before{content:'§';}
h2{
  font-family:'IBM Plex Mono', monospace;
  font-size:clamp(1.6rem, 3vw, 2.3rem);
  font-weight:600;
  margin-bottom:14px;
}
.section-head p{color:var(--text-dim); font-size:1.02rem;}

/* SERVICES GRID */
.services{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(260px, 1fr));
  gap:1px;
  background:var(--border);
  border:1px solid var(--border);
  border-radius:6px;
  overflow:hidden;
}
.service{
  background:var(--surface);
  padding:32px 26px;
  transition:background 0.2s;
  display:block;
}
.service:hover{background:var(--surface-2);}
.service-top{
  display:flex; align-items:center; justify-content:space-between;
  margin-bottom:20px;
}
.service-id{font-family:'IBM Plex Mono', monospace; font-size:0.78rem; color:var(--text-dim);}
.led{width:7px; height:7px; border-radius:50%; background:var(--ok); box-shadow:0 0 6px var(--ok);}
.service h3{font-family:'IBM Plex Mono', monospace; font-size:1.08rem; font-weight:600; margin-bottom:10px;}
.service p{color:var(--text-dim); font-size:0.95rem;}
.service .service-more{color:var(--teal); font-size:0.85rem; margin-top:14px; font-family:'IBM Plex Mono', monospace;}

/* CERTIFICATIONS / PLATFORM BADGES */
.certs{
  display:flex; flex-wrap:wrap; gap:14px; margin-top:20px;
}
.cert-badge{
  font-family:'IBM Plex Mono', monospace;
  font-size:0.78rem;
  color:var(--text-dim);
  border:1px solid var(--border);
  padding:8px 14px;
  border-radius:20px;
  display:flex; align-items:center; gap:8px;
}
.cert-badge::before{content:'✓'; color:var(--teal);}

/* DETAIL PAGE BLOCKS */
.detail-grid{
  display:grid; grid-template-columns:1.4fr 1fr; gap:60px;
  align-items:start;
}
@media(max-width:900px){.detail-grid{grid-template-columns:1fr;}}

.block-label{
  font-family:'IBM Plex Mono', monospace;
  font-size:0.78rem;
  color:var(--teal);
  text-transform:uppercase; letter-spacing:0.1em;
  margin-bottom:16px;
}
.feature-list{list-style:none; display:flex; flex-direction:column; gap:14px;}
.feature-list li{
  display:flex; gap:12px; align-items:flex-start;
  color:var(--text); font-size:0.98rem;
}
.feature-list li::before{
  content:'✓'; color:var(--teal); font-family:'IBM Plex Mono', monospace;
  font-weight:600; flex-shrink:0; margin-top:1px;
}

.process-steps{list-style:none; display:flex; flex-direction:column; gap:0;}
.process-steps li{
  display:flex; gap:18px;
  padding:20px 0;
  border-top:1px solid var(--border);
}
.process-steps li:last-child{border-bottom:1px solid var(--border);}
.step-num{
  font-family:'IBM Plex Mono', monospace;
  font-size:0.85rem; color:var(--teal);
  flex-shrink:0; width:2.4em;
}

.info-box{
  background:var(--surface);
  border:1px solid var(--border);
  border-left:3px solid var(--teal);
  border-radius:6px;
  padding:24px 26px;
}
.info-box .block-label{margin-bottom:10px;}
.info-box p{color:var(--text-dim); font-size:0.98rem;}

.modalities{list-style:none; display:flex; flex-direction:column; gap:10px; margin-top:16px;}
.modalities li{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:6px;
  padding:14px 18px;
  font-size:0.95rem;
}

.cta-banner{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:8px;
  padding:44px 6vw;
  max-width:1180px; margin:0 auto 90px;
  display:flex; align-items:center; justify-content:space-between;
  flex-wrap:wrap; gap:20px;
}
.cta-banner p{font-size:1.15rem; max-width:44ch;}
.cta-banner .service-id{display:none;}

/* CASOS */
.cases{display:flex; flex-direction:column; gap:1px; background:var(--border); border:1px solid var(--border); border-radius:6px; overflow:hidden;}
.case-card{background:var(--surface); padding:30px 28px;}
.case-card h3{font-family:'IBM Plex Mono', monospace; font-size:1.02rem; margin-bottom:16px;}
.case-row{display:grid; grid-template-columns:auto 1fr; gap:8px 16px; font-size:0.94rem;}
.case-row dt{font-family:'IBM Plex Mono', monospace; font-size:0.72rem; color:var(--text-dim); text-transform:uppercase; letter-spacing:0.06em; padding-top:2px;}
.case-row dd{color:var(--text-dim);}
.case-note{
  font-size:0.85rem; color:var(--text-dim); font-style:italic;
  max-width:70ch; margin-top:8px;
}

/* CONTACT */
.contact-wrap{
  display:grid; grid-template-columns:1fr 1fr; gap:60px;
}
@media(max-width:800px){.contact-wrap{grid-template-columns:1fr;}}
.contact-info dl{margin-top:24px;}
.contact-info dt{
  font-family:'IBM Plex Mono', monospace;
  font-size:0.72rem;
  color:var(--text-dim);
  text-transform:uppercase; letter-spacing:0.08em;
  margin-top:20px;
}
.contact-info dd{font-size:1rem; margin-top:6px;}

.contact-card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:8px;
  padding:36px 32px;
}
@media(max-width:480px){.contact-card{padding:26px 20px;}}

form{display:flex; flex-direction:column; gap:16px;}
.form-row{display:grid; grid-template-columns:1fr 1fr; gap:16px;}
@media(max-width:520px){.form-row{grid-template-columns:1fr;}}
label{
  font-family:'IBM Plex Mono', monospace;
  font-size:0.72rem;
  color:var(--text-dim);
  text-transform:uppercase; letter-spacing:0.06em;
  margin-bottom:6px; display:block;
}
input, textarea{
  width:100%;
  background:var(--surface);
  border:1px solid var(--border);
  color:var(--text);
  padding:12px 14px;
  border-radius:4px;
  font-family:'Inter', sans-serif;
  font-size:0.95rem;
  transition:border-color 0.2s;
}
input:focus, textarea:focus{outline:none; border-color:var(--teal);}
textarea{resize:vertical; min-height:110px;}
button[type="submit"]{
  font-family:'IBM Plex Mono', monospace;
  background:var(--teal); color:var(--bg);
  border:none; padding:14px; border-radius:4px;
  font-size:0.92rem; font-weight:600; cursor:pointer;
  margin-top:8px;
  transition:opacity 0.2s;
}
button[type="submit"]:hover{opacity:0.88;}
.form-note{font-size:0.78rem; color:var(--text-dim); margin-top:4px;}

/* honeypot field must stay visually hidden but reachable by bots' automated form-fillers */
.hp-field{position:absolute; left:-9999px;}

footer{
  border-top:1px solid var(--border);
  padding:32px 6vw;
  display:flex; justify-content:space-between; align-items:center;
  flex-wrap:wrap; gap:12px;
  font-family:'IBM Plex Mono', monospace;
  font-size:0.78rem;
  color:var(--text-dim);
}
.footer-links{display:flex; gap:20px; flex-wrap:wrap;}
.footer-links a{color:var(--text-dim); transition:color 0.2s;}
.footer-links a:hover{color:var(--teal);}

.reveal{opacity:0; transform:translateY(16px); transition:opacity 0.6s ease, transform 0.6s ease;}
.reveal.visible{opacity:1; transform:translateY(0);}