:root{
  --navy:#0A2540;
  --navy-soft:#153A66;
  --paper:#F6F8FA;
  --paper-alt:#EBF0F4;
  --line:#D6DEE6;
  --ink:#2B3D52;
  --muted:#64798F;
  --cyan:#5BC0EB;
  --cyan-deep:#0B7FA8;
  --cyan-deeper:#086485;
  --white:#FFFFFF;
  --maxw:1240px;
}
*{box-sizing:border-box; margin:0; padding:0;}
html{scroll-behavior:smooth; overflow-x:hidden;}
body{ background:var(--paper); color:var(--ink); font-family:'IBM Plex Sans',sans-serif; line-height:1.65; -webkit-font-smoothing:antialiased; overflow-x:hidden;}
h1,h2,h3,h4{ font-family:'IBM Plex Sans Condensed',sans-serif; font-weight:700; color:var(--navy); letter-spacing:-0.005em;}
.mono{ font-family:'IBM Plex Mono',monospace;}
a{ color:inherit; text-decoration:none;}
img{max-width:100%; display:block;}
.wrap{ max-width:var(--maxw); margin:0 auto; padding:0 32px;}
.btn{ display:inline-flex; align-items:center; gap:8px; padding:14px 26px; font-weight:600; font-size:14.5px; border-radius:3px; cursor:pointer; transition:.2s; font-family:'IBM Plex Sans';}
.btn-primary{ background:var(--navy); color:var(--white); border:1px solid var(--navy);}
.btn-primary:hover{ background:var(--cyan-deeper); border-color:var(--cyan-deeper);}
.btn-ghost{ border:1px solid var(--navy); color:var(--navy);}
.btn-ghost:hover{ background:var(--navy); color:var(--white);}

.blueprint-box{ position:relative; }
.blueprint-box::before, .blueprint-box::after{ content:""; position:absolute; width:14px; height:14px; pointer-events:none;}
.blueprint-box::before{ left:-1px; top:-1px; border-left:1.5px solid var(--cyan-deep); border-top:1.5px solid var(--cyan-deep);}
.blueprint-box::after{ right:-1px; bottom:-1px; border-right:1.5px solid var(--cyan-deep); border-bottom:1.5px solid var(--cyan-deep);}

.util-strip{ background:var(--navy); color:var(--paper); font-family:'IBM Plex Mono'; font-size:11.5px; letter-spacing:.04em;}
.util-strip .wrap{ display:flex; justify-content:space-between; padding:8px 32px; flex-wrap:wrap; gap:6px;}
.util-strip span{ opacity:.85;}
.util-strip b{ color:var(--cyan);}

/* NAV - sticky always */
header{ position:sticky; top:0; z-index:100; background:rgba(246,248,250,.94); backdrop-filter:blur(10px); border-bottom:1px solid var(--line);}
nav{ display:flex; align-items:center; justify-content:space-between; max-width:var(--maxw); margin:0 auto; padding:16px 32px;}
.logo-mark{ display:flex; align-items:center; gap:12px;}
.logo-mark img{ height:38px; width:38px; object-fit:contain;}
.logo-text{ font-family:'IBM Plex Sans Condensed'; font-weight:700; font-size:18px; color:var(--navy);}
.logo-text span{ color:var(--cyan-deep);}

.nav-links{ display:flex; gap:4px; align-items:center;}
.nav-links a{ position:relative; font-size:13.5px; font-weight:500; color:var(--ink); padding:8px 13px; font-family:'IBM Plex Mono';}
.nav-links a .nlnum{ font-size:10px; color:var(--cyan-deep); margin-right:6px; transition:.25s;}
.nav-links a::before{ content:"["; position:absolute; left:-1px; top:8px; opacity:0; transform:translateX(6px); transition:.25s ease; color:var(--cyan-deep); font-weight:600;}
.nav-links a::after{ content:"]"; position:absolute; right:-1px; top:8px; opacity:0; transform:translateX(-6px); transition:.25s ease; color:var(--cyan-deep); font-weight:600;}
.nav-links a:hover{ color:var(--navy);}
.nav-links a:hover::before{ opacity:1; transform:translateX(0); left:4px;}
.nav-links a:hover::after{ opacity:1; transform:translateX(0); right:4px;}
.nav-links a:hover .nlnum{ color:var(--cyan-deeper);}
.nav-links a.active{ color:var(--navy); font-weight:600;}
.nav-links a.active::before{ opacity:1; left:4px; transform:translateX(0);}
.nav-links a.active::after{ opacity:1; right:4px; transform:translateX(0);}

.nav-cta{ display:flex; align-items:center; gap:16px;}
.burger{ display:none; flex-direction:column; gap:5px; cursor:pointer; background:none; border:none; z-index:200;}
.burger span{ width:22px; height:2px; background:var(--navy);}

/* HERO */
.hero{ padding:64px 0 56px; position:relative; overflow:hidden;
  background-image: linear-gradient(rgba(10,37,64,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(10,37,64,.05) 1px, transparent 1px);
  background-size:42px 42px;
}
.hero-inner{ display:grid; grid-template-columns:1.05fr .95fr; gap:50px; align-items:center;}
.fig-tag{ font-family:'IBM Plex Mono'; font-size:11.5px; color:var(--cyan-deep); letter-spacing:.1em; margin-bottom:18px; display:inline-block; border-bottom:1px solid var(--cyan-deep); padding-bottom:4px;}
.hero h1{ font-size:clamp(2.5rem,4.6vw,4rem); line-height:1.06; color:var(--navy); margin-bottom:22px;}
.hero h1 .accent{ color:var(--cyan-deeper);}
.hero p.lead{ font-size:17px; color:var(--muted); max-width:520px; margin-bottom:32px;}
.hero-ctas{ display:flex; gap:14px; flex-wrap:wrap; margin-bottom:40px;}
.spec-tags{ display:flex; gap:10px; flex-wrap:wrap;}
.spec-tags span{ font-family:'IBM Plex Mono'; font-size:11.5px; padding:6px 12px; border:1px solid var(--line); background:var(--white); border-radius:3px; color:var(--navy);}
.hero-fig{ position:relative; padding:30px;}
.hero-fig svg{ width:100%; height:auto;}
.hero-fig-cap{ font-family:'IBM Plex Mono'; font-size:11px; color:var(--muted); text-align:center; margin-top:10px; letter-spacing:.04em;}

/* PAGE HERO */
.page-hero{ padding:54px 0 48px; position:relative; overflow:hidden;
  background-image: linear-gradient(rgba(10,37,64,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(10,37,64,.05) 1px, transparent 1px);
  background-size:42px 42px; border-bottom:1px solid var(--line);
}
.breadcrumb{ font-family:'IBM Plex Mono'; font-size:11.5px; color:var(--muted); margin-bottom:16px;}
.breadcrumb a{ color:var(--cyan-deep);}
.breadcrumb a:hover{ text-decoration:underline;}
.page-hero h1{ font-size:clamp(2rem,3.6vw,2.9rem); margin-bottom:14px;}
.page-hero p{ color:var(--muted); font-size:16px; max-width:620px;}

/* SECTION GENERIC */
.section{ padding:90px 0;}
.section-tight{ padding:70px 0;}
.alt-bg{ background:var(--paper-alt);}
.section-head{ max-width:680px; margin-bottom:54px;}
.section-head .tag{ font-family:'IBM Plex Mono'; font-size:12px; color:var(--cyan-deep); letter-spacing:.12em; text-transform:uppercase; margin-bottom:14px; display:block;}
.section-head h2{ font-size:clamp(1.8rem,3.1vw,2.5rem); line-height:1.18;}
.section-head p{ color:var(--muted); font-size:16px; margin-top:14px;}

/* ABOUT SPEC SHEET */
.about-grid{ display:grid; grid-template-columns:1.15fr .85fr; gap:56px; align-items:start;}
.about-text p{ color:var(--ink); font-size:15.6px; margin-bottom:16px;}
.spec-sheet{ background:var(--white); border:1px solid var(--line); padding:30px; }
.spec-sheet .sh-title{ font-family:'IBM Plex Mono'; font-size:11px; letter-spacing:.1em; color:var(--muted); text-transform:uppercase; margin-bottom:16px; border-bottom:1px solid var(--line); padding-bottom:12px;}
.spec-row{ display:flex; justify-content:space-between; padding:13px 0; border-bottom:1px dashed var(--line); font-size:14px;}
.spec-row:last-child{ border-bottom:none;}
.spec-row .k{ color:var(--muted); font-family:'IBM Plex Mono'; font-size:12.5px;}
.spec-row .v{ font-weight:600; color:var(--navy);}

/* MISSION VISION */
.mv-grid{ display:grid; grid-template-columns:1fr 1fr; gap:26px;}
.mv-card{ background:var(--white); border:1px solid var(--line); padding:42px 38px;}
.mv-letter{ font-family:'IBM Plex Mono'; font-size:13px; color:var(--cyan-deep); border:1px solid var(--cyan-deep); width:34px; height:34px; display:flex; align-items:center; justify-content:center; margin-bottom:20px;}
.mv-card h3{ font-size:22px; margin-bottom:14px;}
.mv-card p{ color:var(--ink); font-size:15px;}

/* QUALITY OBJECTIVES - spec list */
.obj-list{ border-top:1px solid var(--line);}
.obj-row{ display:grid; grid-template-columns:90px 260px 1fr; gap:24px; padding:20px 0; border-bottom:1px solid var(--line); align-items:start; transition:.2s;}
.obj-row:hover{ background:var(--white);}
.obj-row .code{ font-family:'IBM Plex Mono'; font-size:12.5px; color:var(--cyan-deep);}
.obj-row h4{ font-size:15.5px; color:var(--navy);}
.obj-row p{ font-size:14px; color:var(--muted);}

/* SERVICES MODULES */
.svc-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:24px;}
.svc-card{ background:var(--white); border:1px solid var(--line); padding:32px; position:relative;}
.svc-mod{ font-family:'IBM Plex Mono'; font-size:11px; color:var(--cyan-deep); letter-spacing:.1em; margin-bottom:18px; display:block;}
.svc-icon{ width:46px; height:46px; border:1.5px solid var(--navy); display:flex; align-items:center; justify-content:center; margin-bottom:20px;}
.svc-icon svg{ width:22px; height:22px; stroke:var(--navy);}
.svc-card h3{ font-size:18.5px; margin-bottom:10px;}
.svc-card p{ font-size:14px; color:var(--muted); margin-bottom:16px;}
.svc-link{ font-size:13px; font-family:'IBM Plex Mono'; color:var(--cyan-deep); font-weight:600;}
.svc-link:hover{ text-decoration:underline;}

/* CATALOG TABS */
.tabs{ display:flex; gap:0; border-bottom:1px solid var(--line); margin-bottom:0; flex-wrap:wrap;}
.tab-btn{ font-family:'IBM Plex Mono'; font-size:12.5px; padding:14px 22px; cursor:pointer; color:var(--muted); border-bottom:2px solid transparent; background:none; border-top:none; border-left:none; border-right:none; transition:.2s;}
.tab-btn.active{ color:var(--navy); border-bottom-color:var(--cyan-deep); font-weight:600;}
.tab-panel{ display:none; padding:36px 0 0; }
.tab-panel.active{ display:block;}
.parts-grid{ display:grid; grid-template-columns:1fr 1fr; gap:0 36px;}
.parts-grid .sub{ grid-column:1/-1; font-family:'IBM Plex Mono'; font-size:11px; color:var(--cyan-deep); text-transform:uppercase; letter-spacing:.1em; margin:18px 0 6px; padding-top:10px; border-top:1px solid var(--line);}
.parts-grid .sub:first-child{ border-top:none; margin-top:0;}
.part-line{ display:flex; gap:14px; padding:11px 0; border-bottom:1px solid var(--line); font-size:14px; align-items:baseline;}
.part-line .pcode{ font-family:'IBM Plex Mono'; font-size:11.5px; color:var(--muted); white-space:nowrap;}
.part-line .pname{ color:var(--ink);}

/* SCHOOLS */
.school-grid{ display:grid; grid-template-columns:1fr 1fr; gap:26px;}
.school-card{ background:var(--white); border:1px solid var(--line); padding:34px;}
.school-tag{ font-family:'IBM Plex Mono'; font-size:11px; color:var(--cyan-deep); text-transform:uppercase; letter-spacing:.1em; display:block; margin-bottom:10px;}
.school-card h3{ font-size:20px; margin-bottom:18px;}
.school-sub{ margin-bottom:16px; padding-left:16px; border-left:2px solid var(--paper-alt);}
.school-sub h5{ font-size:14.5px; color:var(--navy); margin-bottom:5px; font-family:'IBM Plex Sans'; font-weight:600;}
.school-sub p{ font-size:13.7px; color:var(--muted);}
.modalidades{ display:flex; gap:8px; margin-top:24px; flex-wrap:wrap;}
.modalidades span{ font-family:'IBM Plex Mono'; font-size:11.5px; padding:6px 12px; border:1px solid var(--cyan-deep); color:var(--cyan-deeper);}

/* FLOWCHART */
.flow-wrap{ position:relative;}
.flow-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:0; position:relative;}
.flow-box{ background:var(--white); border:1.5px solid var(--navy); margin:0 14px; padding:24px 20px; position:relative; z-index:2;}
.flow-box .fnum{ font-family:'IBM Plex Mono'; font-size:11px; color:var(--cyan-deep); margin-bottom:10px;}
.flow-box h4{ font-size:15px; margin-bottom:8px;}
.flow-box p{ font-size:13px; color:var(--muted);}
.flow-arrow{ position:absolute; top:50%; right:-14px; width:28px; height:1.5px; background:var(--navy); z-index:1;}
.flow-arrow::after{ content:""; position:absolute; right:0; top:-3px; border-left:6px solid var(--navy); border-top:3.5px solid transparent; border-bottom:3.5px solid transparent;}

/* CASES TABLE - REGISTRY */
.registry-wrap{ background:var(--white); border:1px solid var(--line); overflow-x:auto;}
table.registry{ width:100%; border-collapse:collapse; font-size:13.6px; min-width:620px;}
table.registry thead th{ text-align:left; font-family:'IBM Plex Mono'; font-size:11px; text-transform:uppercase; letter-spacing:.08em; color:var(--muted); padding:14px 18px; border-bottom:1px solid var(--navy); background:var(--paper-alt);}
table.registry tbody td{ padding:14px 18px; border-bottom:1px solid var(--line); color:var(--ink);}
table.registry tbody tr:hover{ background:var(--paper-alt);}
table.registry .code{ font-family:'IBM Plex Mono'; color:var(--cyan-deeper); font-size:12.5px;}
.verified{ font-family:'IBM Plex Mono'; font-size:10.5px; color:#1a8f5e; border:1px solid #1a8f5e; padding:2px 7px;}

.lines-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:18px; margin-top:26px;}
.line-card{ border:1px solid var(--line); background:var(--white); padding:22px;}
.line-card .lc-code{ font-family:'IBM Plex Mono'; font-size:11px; color:var(--cyan-deep); display:block; margin-bottom:8px;}
.line-card h5{ font-size:14.5px; margin-bottom:8px; color:var(--navy);}
.line-card p{ font-size:12.7px; color:var(--muted); line-height:1.5;}

/* VALUE PROP */
.value-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:0; border-top:1px solid var(--line); border-left:1px solid var(--line);}
.value-card{ padding:32px 26px; border-right:1px solid var(--line); border-bottom:1px solid var(--line);}
.value-num{ font-family:'IBM Plex Mono'; font-size:13px; color:var(--cyan-deep); margin-bottom:14px;}
.value-card h4{ font-size:16px; margin-bottom:8px;}
.value-card p{ font-size:13.5px; color:var(--muted);}

/* CONTACT */
.contact-grid{ display:grid; grid-template-columns:1fr 1fr; gap:0; border:1px solid var(--line);}
.contact-spec{ padding:40px;}
.contact-spec .row{ display:flex; justify-content:space-between; gap:16px; padding:16px 0; border-bottom:1px dashed var(--line);}
.contact-spec .row:last-child{ border-bottom:none;}
.contact-spec .k{ font-family:'IBM Plex Mono'; font-size:11.5px; color:var(--muted); text-transform:uppercase; letter-spacing:.08em;}
.contact-spec .v{ font-weight:600; color:var(--navy); text-align:right; max-width:280px; font-size:14px;}
.contact-cta{ background:var(--navy); padding:40px; color:var(--white); display:flex; flex-direction:column; justify-content:center;}
.contact-cta h2{ color:var(--white); font-size:1.7rem; margin-bottom:14px;}
.contact-cta p{ color:#A9BBCE; font-size:14.5px; margin-bottom:24px;}

/* CTA */
.cta-band{ background:var(--navy); padding:64px 56px; text-align:center; position:relative;}
.cta-band::before,.cta-band::after{ content:""; position:absolute; width:18px; height:18px;}
.cta-band::before{ left:18px; top:18px; border-left:1.5px solid var(--cyan); border-top:1.5px solid var(--cyan);}
.cta-band::after{ right:18px; bottom:18px; border-right:1.5px solid var(--cyan); border-bottom:1.5px solid var(--cyan);}
.cta-band h2{ color:var(--white); font-size:clamp(1.8rem,3.6vw,2.6rem); margin-bottom:16px;}
.cta-band p{ color:#A9BBCE; max-width:520px; margin:0 auto 30px; font-size:15.5px;}
.cta-band .btn-row{ display:flex; gap:14px; justify-content:center; flex-wrap:wrap;}
.cta-band .btn-primary{ background:var(--cyan); border-color:var(--cyan); color:var(--navy);}
.cta-band .btn-ghost{ border-color:#3a5878; color:var(--white);}

/* FOOTER - TITLE BLOCK */
footer{ background:var(--paper-alt); border-top:1px solid var(--line);}
.title-block{ display:grid; grid-template-columns:1.3fr 1fr 1fr 1fr; border-top:1px solid var(--navy);}
.tb-cell{ padding:26px 28px; border-right:1px solid var(--line); border-bottom:1px solid var(--line);}
.tb-cell .tb-label{ font-family:'IBM Plex Mono'; font-size:10.5px; color:var(--muted); letter-spacing:.1em; text-transform:uppercase; margin-bottom:8px; display:block;}
.tb-cell .tb-value{ font-size:14px; color:var(--navy); font-weight:600; line-height:1.5;}
.foot-bottom{ display:flex; justify-content:space-between; align-items:center; padding:24px 0; font-size:12.5px; color:var(--muted); flex-wrap:wrap; gap:10px;}

.reveal{ opacity:0; transform:translateY(20px); transition:opacity .6s ease, transform .6s ease;}
.reveal.in{ opacity:1; transform:translateY(0);}

@media (max-width:980px){
  .hero-inner{ grid-template-columns:1fr;}
  .hero-fig{ order:-1;}
  .about-grid{ grid-template-columns:1fr;}
  .mv-grid{ grid-template-columns:1fr;}
  .svc-grid{ grid-template-columns:1fr;}
  .school-grid{ grid-template-columns:1fr;}
  .flow-grid{ grid-template-columns:1fr; gap:36px;}
  .flow-box{ margin:0;}
  .flow-arrow{ top:auto; bottom:-26px; left:50%; right:auto; width:1.5px; height:24px; transform:translateX(-50%);}
  .flow-arrow::after{ right:-3.5px; top:auto; bottom:0; border-left:3.5px solid transparent; border-right:3.5px solid transparent; border-top:6px solid var(--navy); border-bottom:none;}
  .lines-grid{ grid-template-columns:repeat(2,1fr);}
  .value-grid{ grid-template-columns:repeat(2,1fr);}
  .title-block{ grid-template-columns:1fr 1fr;}
  .obj-row{ grid-template-columns:60px 1fr; }
  .obj-row .desc-col{ grid-column:1/-1; padding-left:60px; margin-top:-10px;}
  .contact-grid{ grid-template-columns:1fr;}
}
@media (max-width:760px){
  .nav-links{ position:fixed; top:0; right:0; height:100vh; width:80%; max-width:320px; background:var(--white); flex-direction:column; align-items:flex-start; justify-content:center; padding:40px; gap:8px; transform:translateX(100%); transition:.3s; border-left:1px solid var(--line);}
  .nav-links.open{ transform:translateX(0);}
  .nav-links a{ font-size:16px; width:100%; padding:12px 14px;}
  .burger{ display:flex;}
  .nav-cta .btn-ghost{ display:none;}
  .wrap{ padding:0 20px;}
  .section{ padding:72px 0;}
  .parts-grid{ grid-template-columns:1fr;}
  .lines-grid{ grid-template-columns:1fr;}
  .value-grid{ grid-template-columns:1fr;}
  .title-block{ grid-template-columns:1fr;}
  .util-strip .wrap{ flex-direction:column; gap:4px;}
  .cta-band{ padding:48px 24px;}
}