/* Layout: banda de estado del sistema arriba, tres frentes de cliente en columnas de distinto peso, banda oscura Obralapso con login, contacto partido en dos. */
/* Layout: banda de estado del sistema arriba, tres frentes de cliente, banda oscura Obralapso, páginas internas con encabezado y franja de llamado. Paleta tomada del logo Grupo TMR. */
:root{
  --paper:#F5F7FB;
  --surface:#FFFFFF;
  --ink:#141B33;
  --muted:#535B76;
  --line:#D9DEEB;
  --steel:#324B9B;        /* azul marino del logo */
  --cyan:#00ABF0;         /* cyan del logo */
  --sky:#6FCDF1;          /* celeste del logo */
  --steel-soft:#E6F4FC;
  --ok:#1E8A52;
  --amber:#4EAEE4;        /* acento Obralapso (celeste de marca) */
  --obra-bg:#14181B;
  --obra-surface:#1E2428;
  --obra-ink:#ECEFEF;
  --obra-muted:#9AA6AB;
  --obra-line:#2F383D;
  --display:"Saira","Arial Narrow",Arial,sans-serif;
  --body:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,Menlo,Consolas,monospace;
  --wrap:1180px;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --paper:#0C1124;--surface:#131A33;--ink:#E7ECF7;--muted:#9CA6C4;--line:#252F52;
  --steel:#6FCDF1;--cyan:#00ABF0;--sky:#6FCDF1;--steel-soft:#16224A;--ok:#4CC488;color-scheme:dark}}
:root[data-theme="dark"]{
  --paper:#0C1124;--surface:#131A33;--ink:#E7ECF7;--muted:#9CA6C4;--line:#252F52;
  --steel:#6FCDF1;--cyan:#00ABF0;--sky:#6FCDF1;--steel-soft:#16224A;--ok:#4CC488;color-scheme:dark}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
body{background:var(--paper);color:var(--ink);font-family:var(--body);font-size:16px;line-height:1.6}
a{color:inherit}
:focus-visible{outline:2px solid var(--steel);outline-offset:3px}
.wrap{max-width:var(--wrap);margin:0 auto;padding-left:max(20px,env(safe-area-inset-left,0px));padding-right:max(20px,env(safe-area-inset-right,0px))}
h1,h2,h3{font-family:var(--display);line-height:1.05;text-wrap:balance;margin:0}
h2{font-size:clamp(2rem,4.2vw,3.1rem);font-weight:800;font-stretch:80%;letter-spacing:-.01em}
h3{font-size:1.35rem;font-weight:700;font-stretch:90%}
p{margin:0}
.eyebrow{font-family:var(--mono);font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;color:var(--steel)}
.lead{font-size:1.12rem;color:var(--muted);max-width:60ch}
.btn{display:inline-flex;align-items:center;gap:.5em;font-family:var(--body);font-weight:600;font-size:.95rem;padding:.8em 1.3em;border-radius:4px;text-decoration:none;border:1.5px solid transparent;cursor:pointer;transition:transform .15s,background .15s}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--steel);color:#fff}
:root[data-theme="dark"] .btn-primary{color:#0D1317}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .btn-primary{color:#0D1317}}
.btn-ghost{border-color:var(--line);color:var(--ink);background:transparent}
.btn-amber{background:var(--amber);color:#14181B}

/* ---------- header ---------- */
header.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:color-mix(in srgb,var(--paper) 92%,transparent);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;gap:24px;height:68px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none}
.brand img{width:40px;height:auto;display:block}
.brand-name{font-family:var(--display);font-weight:400;font-stretch:85%;font-size:1.3rem;line-height:1;color:var(--steel);letter-spacing:.01em}
.brand-name strong{font-weight:800}
.brand-name small{display:block;font-family:var(--display);font-weight:600;font-size:.62rem;letter-spacing:.06em;color:var(--steel);margin-top:4px}
nav.main{margin-left:auto;display:flex;align-items:center;gap:22px}
nav.main a{text-decoration:none;font-size:.92rem;font-weight:500;color:var(--muted)}
nav.main a:hover{color:var(--ink)}
.access{display:inline-flex;align-items:center;gap:8px;font-size:.85rem!important;font-weight:600!important;color:var(--ink)!important;border:1.5px solid var(--ink);padding:.45em .9em;border-radius:4px}
.access i{width:8px;height:8px;background:var(--amber);border-radius:1px}
.menu-btn{display:none;margin-left:auto;background:none;border:1.5px solid var(--line);border-radius:4px;padding:8px 10px;color:var(--ink);font:600 .85rem var(--body);cursor:pointer}
@media (max-width:1080px){
  .menu-btn{display:block}
  nav.main{display:none;position:absolute;left:0;right:0;top:68px;background:var(--paper);border-bottom:1px solid var(--line);flex-direction:column;align-items:flex-start;gap:4px;padding:12px max(20px,env(safe-area-inset-right,0px)) 18px max(20px,env(safe-area-inset-left,0px))}
  nav.main.open{display:flex}
  nav.main a{padding:8px 0;font-size:1rem}
}

/* ---------- hero ---------- */
.hero{padding-block:72px 64px}
.hero .wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
.hero h1{font-size:clamp(3rem,8vw,6.2rem);font-weight:800;font-stretch:72%;letter-spacing:-.02em;line-height:.92}
.hero h1 span{color:var(--cyan)}
.hero .lead{margin-top:22px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero-facts{display:flex;flex-wrap:wrap;gap:28px;margin-top:40px;padding-top:22px;border-top:1px solid var(--line)}
.hero-facts div{font-size:.85rem;color:var(--muted)}
.hero-facts b{display:block;font-family:var(--display);font-stretch:80%;font-size:1.6rem;color:var(--ink);font-weight:800}

.panel{background:var(--surface);border:1px solid var(--line);border-radius:6px;font-family:var(--mono);font-size:.82rem;box-shadow:0 18px 40px -24px rgba(15,26,34,.35);min-width:0}
.panel-head{display:flex;justify-content:space-between;padding:12px 16px;border-bottom:1px solid var(--line);color:var(--muted);font-size:.74rem;letter-spacing:.08em;text-transform:uppercase}
.panel-head b{color:var(--ok);font-weight:500}
.panel ul{list-style:none;margin:0;padding:6px 0}
.panel li{display:grid;grid-template-columns:auto 1fr auto;gap:12px;align-items:center;padding:10px 16px;border-bottom:1px dashed var(--line)}
.panel li:last-child{border-bottom:0}
.dot{width:8px;height:8px;border-radius:50%;background:var(--ok)}
.dot.warn{background:var(--amber)}
.panel li span{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.panel li em{font-style:normal;color:var(--muted);font-size:.74rem}
.panel-foot{padding:12px 16px;border-top:1px solid var(--line);color:var(--muted);font-size:.74rem;display:flex;justify-content:space-between;gap:8px;flex-wrap:wrap}
@media (max-width:900px){.hero .wrap{grid-template-columns:1fr;gap:40px}.hero{padding-block:48px}}

/* ---------- servicios strip ---------- */
.services{border-block:1px solid var(--line);background:var(--surface)}
.services .wrap{display:grid;grid-template-columns:repeat(5,1fr)}
.svc{padding:26px 18px 26px 0;display:flex;flex-direction:column;gap:6px;min-width:0}
.svc + .svc{padding-left:18px;border-left:1px solid var(--line)}
.svc b{font-family:var(--display);font-stretch:85%;font-size:1.08rem}
.svc p{font-size:.86rem;color:var(--muted)}
.svc svg{width:26px;height:26px;stroke:var(--steel);fill:none;stroke-width:1.6;margin-bottom:6px}
@media (max-width:900px){.services .wrap{grid-template-columns:1fr 1fr}.svc,.svc+.svc{padding:20px 14px;border-left:0;border-bottom:1px solid var(--line)}}
@media (max-width:480px){.services .wrap{grid-template-columns:1fr}}

/* ---------- segmentos ---------- */
section.block{padding-block:96px}
.sec-head{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:end;margin-bottom:48px}
.sec-head .lead{justify-self:end}
@media (max-width:800px){.sec-head{grid-template-columns:1fr}.sec-head .lead{justify-self:start}}
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:0;overflow-x:auto}
.tab{background:none;border:0;border-bottom:3px solid transparent;padding:14px 22px 12px;font:700 1.05rem var(--display);font-stretch:85%;color:var(--muted);cursor:pointer;white-space:nowrap;display:flex;gap:10px;align-items:baseline}
.tab small{font-family:var(--mono);font-weight:400;font-size:.7rem;letter-spacing:.08em}
.tab[aria-selected="true"]{color:var(--ink);border-bottom-color:var(--cyan)}
.seg{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;padding-top:44px}
.seg h3{font-size:clamp(1.7rem,3vw,2.3rem);font-weight:800;font-stretch:80%}
.seg .lead{margin-top:14px}
.seg ul.checks{list-style:none;padding:0;margin:28px 0 0;display:grid;grid-template-columns:1fr 1fr;gap:14px 28px}
.checks li{display:flex;gap:10px;font-size:.95rem;min-width:0}
.checks li::before{content:"";flex:0 0 14px;height:14px;margin-top:.35em;border:2px solid var(--steel);border-radius:2px;background:linear-gradient(var(--steel),var(--steel)) center/6px 6px no-repeat}
.seg .btn{margin-top:32px}
.aside{background:var(--steel-soft);border-radius:6px;padding:28px;display:flex;flex-direction:column;gap:18px;align-self:start}
.aside .eyebrow{margin-bottom:-6px}
.aside dl{margin:0;display:grid;gap:14px}
.aside dt{font-weight:600;font-size:.95rem}
.aside dd{margin:2px 0 0;font-size:.9rem;color:var(--muted)}
@media (max-width:800px){.seg{grid-template-columns:1fr;gap:32px}.seg ul.checks{grid-template-columns:1fr}}

/* ---------- obralapso ---------- */
.obra{background:var(--obra-bg);color:var(--obra-ink);padding-block:96px;position:relative;overflow:hidden}
.obra::before{content:"";position:absolute;inset:0;background-image:linear-gradient(var(--obra-line) 1px,transparent 1px),linear-gradient(90deg,var(--obra-line) 1px,transparent 1px);background-size:56px 56px;opacity:.35;mask-image:linear-gradient(180deg,#000,transparent 70%)}
.obra .wrap{position:relative;display:grid;grid-template-columns:1.2fr .8fr;gap:56px}
.obra-logo{display:flex;align-items:center;gap:14px}
.obra-logo svg{width:52px;height:52px}
.obra-logo b{color:#8FB0F2;font-family:var(--display);font-weight:800;font-stretch:78%;font-size:2rem;letter-spacing:-.01em;line-height:1}
.obra-logo small{display:block;font-family:var(--mono);font-size:.7rem;letter-spacing:.12em;color:var(--obra-muted);font-weight:400;margin-top:4px}
.obra h2{margin-top:34px;font-size:clamp(2.2rem,5vw,3.8rem);font-stretch:74%}
.obra h2 em{font-style:normal;color:var(--amber)}
.obra .lead{color:var(--obra-muted);margin-top:18px}
.timeline{margin-top:38px;border:1px solid var(--obra-line);border-radius:6px;background:var(--obra-surface);padding:18px;min-width:0}
.tl-top{display:flex;justify-content:space-between;font-family:var(--mono);font-size:.72rem;color:var(--obra-muted);letter-spacing:.06em;gap:8px;flex-wrap:wrap}
.tl-top b{color:var(--amber);font-weight:500}
.frames{display:grid;grid-template-columns:repeat(6,1fr);gap:6px;margin-top:14px}
.frame{aspect-ratio:4/3;max-width:100%;border-radius:2px;background:#20282D;position:relative;overflow:hidden}
.frame i{position:absolute;left:14%;right:14%;bottom:0;background:#5B6A71}
.frame:nth-child(1) i{height:8%}.frame:nth-child(2) i{height:22%}.frame:nth-child(3) i{height:38%}
.frame:nth-child(4) i{height:54%}.frame:nth-child(5) i{height:68%}.frame:nth-child(6) i{height:80%;background:#8A989E}
.frame i::after{content:"";position:absolute;inset:0;background:repeating-linear-gradient(0deg,transparent 0 9px,#14181B 9px 11px)}
.frame:last-child{outline:2px solid var(--amber)}
.tl-axis{display:grid;grid-template-columns:repeat(6,1fr);gap:6px;margin-top:6px;font-family:var(--mono);font-size:.66rem;color:var(--obra-muted)}
.feats{list-style:none;padding:0;margin:34px 0 0;display:grid;grid-template-columns:1fr 1fr;gap:22px 32px}
.feats li{min-width:0}
.feats b{display:block;font-family:var(--display);font-stretch:85%;font-size:1.05rem;margin-bottom:3px}
.feats span{font-size:.9rem;color:var(--obra-muted)}
@media (max-width:900px){.obra .wrap{grid-template-columns:1fr}.feats{grid-template-columns:1fr}}
@media (max-width:480px){.frames,.tl-axis{grid-template-columns:repeat(3,1fr)}.frame:nth-child(-n+3),.tl-axis span:nth-child(-n+3){display:none}}

.login{background:var(--obra-surface);border:1px solid var(--obra-line);border-radius:8px;padding:30px;align-self:start;position:sticky;top:calc(env(safe-area-inset-top,0px) + 92px)}
.login h3{font-size:1.5rem;font-stretch:80%}
.login p.sub{font-size:.88rem;color:var(--obra-muted);margin-top:6px}
.field{display:flex;flex-direction:column;gap:6px;margin-top:18px}
.field label{font-family:var(--mono);font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--obra-muted)}
.field input{background:var(--obra-bg);border:1px solid var(--obra-line);border-radius:4px;color:var(--obra-ink);padding:.8em .9em;font:inherit;font-size:.95rem;width:100%}
.field input:focus{outline:2px solid var(--amber);outline-offset:0;border-color:transparent}
.login-row{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-top:14px;font-size:.85rem;color:var(--obra-muted);flex-wrap:wrap}
.login-row label{display:flex;gap:8px;align-items:center}
.login-row a{color:var(--obra-ink)}
.login .btn{width:100%;justify-content:center;margin-top:22px;font-size:1rem}
.login-msg{margin-top:14px;font-size:.85rem;padding:10px 12px;border-radius:4px;border:1px solid var(--obra-line);color:var(--obra-muted)}
.login-foot{margin-top:22px;padding-top:18px;border-top:1px solid var(--obra-line);font-size:.86rem;color:var(--obra-muted)}
.login-foot a{color:var(--amber);font-weight:600;text-decoration:none}
@media (max-width:900px){.login{position:static}}

/* ---------- casos ---------- */
.cases{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line)}
.case{padding:26px 24px 30px 0;border-bottom:1px solid var(--line);display:flex;flex-direction:column;gap:8px;min-width:0}
.case:not(:nth-child(3n+1)){padding-left:24px;border-left:1px solid var(--line)}
.case .tag{font-family:var(--mono);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.case .tag.gov{color:var(--steel)}
.case p{font-size:.92rem;color:var(--muted)}
@media (max-width:900px){.cases{grid-template-columns:1fr 1fr}.case,.case:not(:nth-child(3n+1)){padding:22px 16px 24px 0;border-left:0}.case:nth-child(2n){padding-left:16px;border-left:1px solid var(--line)}}
@media (max-width:560px){.cases{grid-template-columns:1fr}.case:nth-child(2n){padding-left:0;border-left:0}}

/* ---------- nosotros ---------- */
.about{background:var(--surface);border-block:1px solid var(--line)}
.about .wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px}
.about p + p{margin-top:16px}
.about .copy{color:var(--muted);max-width:62ch;min-width:0}
.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:36px}
.pillars div{border-top:3px solid var(--cyan);padding-top:12px}
.pillars b{font-family:var(--display);font-stretch:85%;font-size:1.05rem;display:block;color:var(--ink)}
.pillars span{font-size:.86rem}
.brands{margin-top:40px;font-family:var(--mono);font-size:.8rem;color:var(--muted);display:flex;flex-wrap:wrap;gap:8px 22px;letter-spacing:.06em;text-transform:uppercase}
.brands span:first-child{color:var(--ink)}
@media (max-width:800px){.about .wrap{grid-template-columns:1fr;gap:28px}.pillars{grid-template-columns:1fr}}

/* ---------- contacto ---------- */
.contact .wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px}
.cdata{display:grid;gap:22px;margin-top:32px}
.cdata div{display:grid;gap:2px}
.cdata .eyebrow{color:var(--muted)}
.cdata b{font-size:1.05rem;font-weight:600}
.copy-btn{justify-self:start;background:none;border:0;padding:0;color:var(--steel);font:500 .82rem var(--body);cursor:pointer;text-decoration:underline}
form.cform{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:30px;display:grid;grid-template-columns:1fr 1fr;gap:16px;min-width:0}
.cform .full{grid-column:1/-1}
.cform label{font-family:var(--mono);font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);display:block;margin-bottom:6px}
.cform input,.cform select,.cform textarea{width:100%;background:var(--paper);border:1px solid var(--line);border-radius:4px;padding:.75em .85em;font:inherit;font-size:.95rem;color:var(--ink)}
.cform textarea{min-height:110px;resize:vertical}
.cform .note{font-size:.82rem;color:var(--muted)}
@media (max-width:800px){.contact .wrap{grid-template-columns:1fr;gap:36px}form.cform{grid-template-columns:1fr;padding:22px}}

footer{border-top:1px solid var(--line);background:var(--surface);font-size:.88rem;color:var(--muted)}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding-block:52px 36px}
.foot-grid > *{min-width:0}
.foot-grid h4{font-family:var(--mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--ink);margin:0 0 12px;font-weight:500}
.foot-grid ul{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.foot-grid a{color:var(--muted);text-decoration:none}
.foot-grid a:hover{color:var(--ink)}
.foot-brand img{width:150px;height:auto}
.foot-brand p{margin-top:14px;max-width:34ch}
.foot-legal{border-top:1px solid var(--line);padding-block:18px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:.8rem}
.foot-legal a{color:var(--muted)}
@media (max-width:900px){.foot-grid{grid-template-columns:1fr 1fr}}
@media (max-width:480px){.foot-grid{grid-template-columns:1fr}}

.wa{position:fixed;right:calc(18px + env(safe-area-inset-right,0px));bottom:calc(18px + env(safe-area-inset-bottom,0px));z-index:30;background:#1E8A52;color:#fff;border-radius:999px;padding:12px 18px;font-weight:600;font-size:.9rem;text-decoration:none;display:flex;gap:8px;align-items:center;box-shadow:0 10px 24px -10px rgba(0,0,0,.5)}
.wa svg{width:20px;height:20px;fill:#fff}

/* ---------- multipágina ---------- */
nav.main a[aria-current="page"]{color:var(--ink);font-weight:600}
.page-hero{padding-block:64px 56px;border-bottom:1px solid var(--line)}
.page-hero h1{font-size:clamp(2.6rem,6vw,4.6rem);font-weight:800;font-stretch:74%;letter-spacing:-.02em;line-height:.95;margin-top:14px;max-width:16ch}
.page-hero .lead{margin-top:20px}
.page-hero .hero-cta{margin-top:26px}
.crumbs{font-family:var(--mono);font-size:.74rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.crumbs a{text-decoration:none;color:var(--muted)}
.crumbs a:hover{color:var(--ink)}
.crumbs b{color:var(--steel);font-weight:500}

.clients3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.ccard{background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:28px;display:flex;flex-direction:column;gap:12px;text-decoration:none;transition:border-color .15s,transform .15s;min-width:0}
.ccard:hover{border-color:var(--steel);transform:translateY(-2px)}
.ccard .eyebrow{color:var(--muted)}
.ccard h3{font-size:1.7rem;font-stretch:80%;font-weight:800}
.ccard p{color:var(--muted);font-size:.95rem;flex:1}
.ccard .go{font-weight:600;color:var(--steel);font-size:.92rem}
@media (max-width:900px){.clients3{grid-template-columns:1fr}}

.teaser{background:var(--obra-bg);color:var(--obra-ink);padding-block:72px;position:relative;overflow:hidden}
.teaser .wrap{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;position:relative}
.teaser h2{font-stretch:76%;margin-top:26px}
.teaser h2 em{font-style:normal;color:var(--amber)}
.teaser .lead{color:var(--obra-muted);margin-top:16px}
.teaser .hero-cta{margin-top:26px}
.btn-ghost-dark{border-color:var(--obra-line);color:var(--obra-ink)}
@media (max-width:900px){.teaser .wrap{grid-template-columns:1fr}}

.svc-rows{display:grid;border-top:1px solid var(--line)}
.svc-row{display:grid;grid-template-columns:72px 1fr 1.2fr;gap:32px;padding-block:40px;border-bottom:1px solid var(--line);align-items:start}
.svc-row svg{width:44px;height:44px;stroke:var(--steel);fill:none;stroke-width:1.5}
.svc-row h2{font-size:clamp(1.7rem,3vw,2.3rem);font-stretch:80%}
.svc-row .for{margin-top:12px;font-family:var(--mono);font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);display:flex;gap:6px 12px;flex-wrap:wrap}
.svc-row .for a{color:var(--steel)}
.svc-row > div{min-width:0}
.svc-row p{color:var(--muted)}
.svc-row ul.checks{margin-top:18px;grid-template-columns:1fr}
@media (max-width:800px){.svc-row{grid-template-columns:1fr;gap:16px}}

.steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line);counter-reset:s}
.steps li{padding:24px 22px 26px 0;counter-increment:s;min-width:0}
.steps li + li{padding-left:22px;border-left:1px solid var(--line)}
.steps li::before{content:"Paso " counter(s);display:block;font-family:var(--mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--steel);margin-bottom:10px}
.steps b{display:block;font-family:var(--display);font-stretch:85%;font-size:1.15rem;margin-bottom:6px}
.steps span{font-size:.9rem;color:var(--muted)}
@media (max-width:900px){.steps{grid-template-columns:1fr 1fr}.steps li,.steps li+li{padding:20px 14px 22px 0;border-left:0;border-bottom:1px solid var(--line)}}
@media (max-width:480px){.steps{grid-template-columns:1fr}}

.two{display:grid;grid-template-columns:1fr 1fr;gap:56px}
.two > *{min-width:0}
@media (max-width:800px){.two{grid-template-columns:1fr;gap:36px}}
.faq details{border-bottom:1px solid var(--line);padding-block:18px}
.faq details:first-of-type{border-top:1px solid var(--line)}
.faq summary{cursor:pointer;font-weight:600;font-size:1.02rem;list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--mono);color:var(--steel);font-size:1.2rem;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq details p{margin-top:10px;color:var(--muted);font-size:.95rem;max-width:62ch}

.cta-band{background:var(--steel);color:#fff;padding-block:56px}
.cta-band .wrap{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.cta-band h2{font-size:clamp(1.8rem,3.6vw,2.6rem);font-stretch:78%;max-width:22ch}
.cta-band .btn{background:#fff;color:#0F1A22}
:root[data-theme="dark"] .cta-band{background:var(--steel-soft)}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .cta-band{background:var(--steel-soft)}}

.access-page{background:var(--obra-bg);color:var(--obra-ink);min-height:70vh;padding-block:72px;position:relative;overflow:hidden}
.access-page::before{content:"";position:absolute;inset:0;background-image:linear-gradient(var(--obra-line) 1px,transparent 1px),linear-gradient(90deg,var(--obra-line) 1px,transparent 1px);background-size:56px 56px;opacity:.35;mask-image:linear-gradient(180deg,#000,transparent 80%)}
.access-page .wrap{position:relative;display:grid;grid-template-columns:1fr 420px;gap:64px;align-items:center}
.access-page h1{font-size:clamp(2.4rem,5vw,3.8rem);font-weight:800;font-stretch:74%;margin-top:30px;line-height:.98}
.access-page .lead{color:var(--obra-muted);margin-top:16px}
.access-page .login{position:static;max-width:100%}
.help{list-style:none;padding:0;margin:30px 0 0;display:grid;gap:10px;font-size:.92rem;color:var(--obra-muted)}
.help a{color:var(--obra-ink)}
@media (max-width:900px){.access-page .wrap{grid-template-columns:1fr;gap:40px}}

.case-big{display:grid;grid-template-columns:1fr 1.4fr;gap:40px;padding-block:40px;border-bottom:1px solid var(--line)}
.case-big:first-child{border-top:1px solid var(--line)}
.case-big > *{min-width:0}
.case-big h2{font-size:clamp(1.6rem,3vw,2.2rem);font-stretch:80%;margin-top:8px}
.case-big dl{margin:0;display:grid;grid-template-columns:auto 1fr;gap:10px 24px;font-size:.95rem}
.case-big dt{font-family:var(--mono);font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);padding-top:.25em}
.case-big dd{margin:0}
@media (max-width:800px){.case-big{grid-template-columns:1fr;gap:18px}.case-big dl{grid-template-columns:1fr;gap:2px}.case-big dd{margin-bottom:10px}}
.filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:28px}
.filters button{background:none;border:1.5px solid var(--line);border-radius:999px;padding:.45em 1em;font:500 .88rem var(--body);color:var(--muted);cursor:pointer}
.filters button[aria-pressed="true"]{border-color:var(--steel);color:var(--ink);background:var(--steel-soft)}

/* ---------- certificaciones ---------- */
.certs{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.certs-lg{grid-template-columns:repeat(2,1fr)}
.cert{background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:22px 22px 20px;display:flex;flex-direction:column;gap:10px;min-width:0;text-decoration:none;color:inherit}
a.cert:hover{border-color:var(--cyan)}
.cert-issuer{display:flex;justify-content:space-between;align-items:center;gap:10px;font-family:var(--mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.cert-state{font-family:var(--mono);font-size:.68rem;letter-spacing:.06em;color:var(--ok);border:1px solid currentColor;border-radius:999px;padding:2px 8px;white-space:nowrap}
.cert h3{font-size:1.35rem;font-stretch:82%;font-weight:800}
.cert p{font-size:.9rem;color:var(--muted)}
.cert dl{margin:auto 0 0;padding-top:12px;border-top:1px dashed var(--line);display:grid;grid-template-columns:auto 1fr;gap:4px 14px;font-size:.82rem}
.cert dt{color:var(--muted)}
.cert dd{margin:0;font-family:var(--mono);font-size:.78rem;font-variant-numeric:tabular-nums;overflow-wrap:anywhere}
.cert-img{display:block;border:1px solid var(--line);border-radius:4px;overflow:hidden;background:var(--paper)}
.cert-img img{display:block;width:100%;height:auto}
@media (max-width:1080px){.certs{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.certs,.certs-lg{grid-template-columns:1fr}}
.cert-band{background:var(--steel-soft);border-block:1px solid var(--line)}
.cert-band .wrap{display:grid;grid-template-columns:.7fr 2.3fr;gap:40px;align-items:center;padding-block:44px}
.cert-band h2{font-size:clamp(1.6rem,3vw,2.2rem);font-stretch:80%}
.cert-band .lead{margin-top:10px;font-size:1rem}
.cert-band .certs{gap:14px}
.cert-band .cert{padding:18px}
.cert-band .cert h3{font-size:1.1rem}
@media (max-width:1180px){.cert-band .wrap{grid-template-columns:1fr;gap:24px}}
.badge-cert{display:inline-flex;align-items:center;gap:8px;margin-top:16px;font-family:var(--mono);font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;color:var(--steel);background:var(--steel-soft);border-radius:4px;padding:6px 10px;text-decoration:none}
.badge-cert::before{content:"";width:10px;height:10px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 3px color-mix(in srgb,var(--cyan) 30%,transparent)}

/* ---------- marcas ---------- */
.logos{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(5,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}
.logos li{display:grid;place-items:center;min-height:96px;padding:18px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);min-width:0}
.logos img{max-height:40px;max-width:100%;width:auto;object-fit:contain;filter:grayscale(1);opacity:.75;transition:filter .2s,opacity .2s}
.logos li:hover img{filter:none;opacity:1}
.logos .name{font-family:var(--display);font-weight:700;font-stretch:85%;font-size:1.15rem;color:var(--muted);letter-spacing:.02em}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .logos li{background:#F5F7FB}}
:root[data-theme="dark"] .logos li{background:#F5F7FB}
@media (max-width:600px){.logos{grid-template-columns:repeat(2,1fr)}}
@media (min-width:601px) and (max-width:900px){.logos{grid-template-columns:repeat(5,1fr)}.logos li{padding:12px}}

.logos li.sym{display:flex;flex-direction:column;justify-content:center;gap:6px}
.logos li.sym img{max-height:30px}
.logos li.sym .name{font-size:.95rem}

/* ---------- clientes ---------- */
.clients-wall{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:36px 56px}
.clients-wall li{display:flex;align-items:center;justify-content:center;min-height:72px;min-width:0}
.clients-wall img{display:block;max-height:46px;max-width:200px;width:auto;height:auto;opacity:.85}
.clients-wall li.tall img{max-height:76px}
.clients-wall .name{font-family:var(--display);font-weight:700;font-stretch:85%;font-size:1.2rem;color:var(--muted);letter-spacing:.04em;text-transform:uppercase}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .clients-wall img{filter:invert(1) brightness(1.6)}}
:root[data-theme="dark"] .clients-wall img{filter:invert(1) brightness(1.6)}
@media (max-width:560px){.clients-wall{gap:28px 36px}.clients-wall img{max-width:140px;max-height:38px}.clients-wall li.tall img{max-height:60px}}
.logos li.tall img{max-height:64px}

/* certificados visibles + visor */
.cert-band .wrap{grid-template-columns:1fr!important;gap:28px}
.cert-head{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:end}
.cert-head .lead{justify-self:end;margin-top:0}
@media (max-width:800px){.cert-head{grid-template-columns:1fr}.cert-head .lead{justify-self:start}}
.cert-img{position:relative;display:block;width:100%;padding:0;border:1px solid var(--line);border-radius:4px;overflow:hidden;background:#fff;cursor:zoom-in;margin-bottom:4px}
.cert-img img{display:block;width:100%;aspect-ratio:1.414/1;object-fit:cover;object-position:center;transition:transform .25s}
.cert-img:hover img{transform:scale(1.03)}
.cert-img .zoom{position:absolute;right:8px;bottom:8px;font:600 .72rem var(--body);color:#fff;background:rgba(20,27,51,.78);border-radius:999px;padding:4px 10px;opacity:0;transition:opacity .2s}
.cert-img:hover .zoom,.cert-img:focus-visible .zoom{opacity:1}
.lightbox{position:fixed;inset:0;z-index:50;background:rgba(8,12,24,.88);display:flex;align-items:center;justify-content:center;padding:calc(24px + env(safe-area-inset-top,0px)) max(16px,env(safe-area-inset-right,0px)) calc(24px + env(safe-area-inset-bottom,0px)) max(16px,env(safe-area-inset-left,0px));cursor:zoom-out}
.lightbox img{max-width:min(1000px,100%);max-height:100%;border-radius:4px;box-shadow:0 20px 60px rgba(0,0,0,.5);background:#fff}
.lightbox button{position:absolute;top:calc(14px + env(safe-area-inset-top,0px));right:calc(14px + env(safe-area-inset-right,0px));background:#fff;color:#141B33;border:0;border-radius:999px;padding:8px 14px;font:600 .9rem var(--body);cursor:pointer}

/* ---------- galería de instalaciones ---------- */
.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.ph{position:relative;display:block;width:100%;padding:0;border:0;border-radius:6px;overflow:hidden;background:var(--line);cursor:zoom-in;text-align:left;font:inherit;color:#fff}
.ph img{display:block;width:100%;aspect-ratio:3/4;object-fit:cover;transition:transform .35s}
.ph:hover img{transform:scale(1.04)}
.ph figcaption{position:absolute;inset:auto 0 0 0;padding:28px 12px 12px;background:linear-gradient(transparent,rgba(10,14,30,.82));font-size:.86rem;line-height:1.35}
.ph .chip{position:absolute;top:10px;left:10px;font-family:var(--mono);font-size:.66rem;letter-spacing:.08em;text-transform:uppercase;background:rgba(255,255,255,.92);color:#141B33;border-radius:999px;padding:3px 9px}
.ph .chip.al{background:var(--cyan);color:#06243a}
@media (max-width:900px){.gallery{grid-template-columns:repeat(2,1fr)}}
.ph.wide{grid-column:span 2}
.ph.wide img{aspect-ratio:auto;height:100%}
.ph .chip.ac{background:var(--steel);color:#fff}
.gallery.g3{grid-template-columns:repeat(3,1fr);margin-top:22px}
@media (max-width:900px){.gallery.g3{grid-template-columns:repeat(3,1fr)}}
@media (max-width:480px){.gallery.g3{grid-template-columns:repeat(2,1fr)}}

/* casos con foto */
.ph.case-ph img{aspect-ratio:16/10}
.case .case-ph{margin-bottom:10px}
.case-big{grid-template-columns:1fr 1.2fr!important;align-items:center}
.case-txt{display:flex;flex-direction:column;gap:14px;min-width:0}
.case-txt h2{margin-top:0!important}
@media (max-width:800px){.case-big{grid-template-columns:1fr!important}}
.case-gallery{grid-column:1/-1;min-width:0}
.gallery.g6{grid-template-columns:repeat(6,1fr);gap:10px}
.gallery.g6 figcaption{font-size:.76rem;padding:22px 8px 8px}
.case-txt ul.checks{grid-template-columns:1fr;margin:0;gap:8px}
@media (max-width:900px){.gallery.g6{grid-template-columns:repeat(3,1fr)}}
@media (max-width:480px){.gallery.g6{grid-template-columns:repeat(2,1fr)}}