/* TSC · Tecnología y Software de Crecimiento — manual de identidad */
:root{
  --tinta:#0F1B2D; --senal:#19B5A0; --senal-osc:#0E7F70; --papel:#F5F3EE; --pizarra:#5B6B7C;
  --ambar:#F2A83B; --rojo:#D94F4F; --blanco:#fff; --linea:#DCD8CE;
  --head:"Space Grotesk",system-ui,sans-serif;
  --body:"Inter",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,Menlo,Consolas,monospace;
  --wrap:1160px; --r:6px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--body);font-size:17px;line-height:1.65;color:var(--tinta);background:var(--papel);-webkit-font-smoothing:antialiased}
svg{display:block}
a{color:var(--tinta);text-decoration-color:var(--senal);text-underline-offset:3px}
h1,h2,h3{font-family:var(--head);font-weight:700;line-height:1.12;letter-spacing:-.02em;margin:0 0 .55em}
h1{font-size:clamp(2.3rem,5.2vw,3.9rem)}
h2{font-size:clamp(1.55rem,2.8vw,2.2rem)}
h3{font-size:1.15rem;letter-spacing:-.01em}
p{margin:0 0 1em}
.mono{font-family:var(--mono);font-size:.88em;letter-spacing:0}
.small{font-size:.85rem;color:var(--pizarra)}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.narrow{max-width:820px}
.sr,.skip:not(:focus){position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.skip:focus{position:fixed;top:8px;left:8px;z-index:99;background:var(--senal);color:var(--tinta);padding:8px 14px;border-radius:var(--r)}

/* Logo */
.logo{display:inline-flex;align-items:center;gap:12px;color:var(--tinta)}
.logo__sym{width:46px;height:auto}
.logo__sym line:first-child{stroke:var(--pizarra)}
.logo__txt{display:flex;flex-direction:column;line-height:1}
.logo__tsc{font-family:var(--head);font-weight:700;font-size:1.6rem;letter-spacing:.01em}
.logo__desc{font-size:.66rem;color:var(--pizarra);margin-top:4px;letter-spacing:.01em}
.logo--dark{color:#fff}.logo--dark .logo__desc{color:var(--senal)}
.logo--dark .logo__sym line:first-child{stroke:#7F8EA0}

/* Header */
.hdr{position:sticky;top:0;z-index:50;background:rgba(245,243,238,.95);backdrop-filter:blur(8px);border-bottom:1px solid var(--linea)}
.hdr__in{display:flex;align-items:center;justify-content:space-between;min-height:74px;gap:20px}
.hdr__brand{text-decoration:none}
.nav{display:flex;align-items:center;gap:26px}
.nav ul{display:flex;gap:22px;list-style:none;margin:0;padding:0}
.nav ul a{text-decoration:none;font-size:.95rem;font-weight:500;padding:6px 0;border-bottom:2px solid transparent}
.nav ul a:hover,.nav ul a[aria-current=page]{border-color:var(--senal)}
.nav-toggle{display:none;background:none;border:0;padding:10px;cursor:pointer}
.nav-toggle span:not(.sr){display:block;width:24px;height:2px;background:var(--tinta);margin:5px 0}

/* Buttons — verde señal con texto tinta (contraste 6.7:1) */
.btn{display:inline-block;font-family:var(--body);font-weight:600;font-size:.98rem;text-decoration:none;padding:13px 24px;border-radius:var(--r);border:1.5px solid transparent;cursor:pointer;transition:background .15s,transform .15s;color:var(--tinta)}
.btn:hover{transform:translateY(-1px)}
.btn--sig{background:var(--senal)}
.btn--sig:hover{background:#2BC6B0}
.btn--line{border-color:var(--tinta)}
.btn--line:hover{background:var(--tinta);color:#fff}
.btn--sm{padding:9px 16px;font-size:.9rem}
.link{font-weight:600;text-decoration:underline;text-decoration-color:var(--senal);text-decoration-thickness:2px}
.kicker{font-family:var(--mono);font-size:.78rem;text-transform:uppercase;letter-spacing:.12em;color:var(--pizarra);margin-bottom:14px}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.lead{font-size:1.18rem;color:#33404F;max-width:62ch}
.lead-d{font-size:1.12rem;color:#33404F}

/* Hero */
.hero{padding:90px 0 80px;border-bottom:1px solid var(--linea)}
.hero__in{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.hero h1{max-width:14ch}
.hero__art{width:100%;max-width:500px;justify-self:end}
.art-lbl{font-family:var(--mono);font-size:15px;fill:var(--pizarra)}
.phero{padding:76px 0 60px;border-bottom:1px solid var(--linea)}
.phero h1{max-width:20ch}

/* Sections */
.sec{padding:80px 0}
.sec--white{background:#fff}
.split{display:grid;grid-template-columns:1fr 1.2fr;gap:56px;align-items:center}
.two{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.more{margin-top:26px}
.note-c{margin-top:22px;color:var(--pizarra);font-family:var(--mono);font-size:.9rem}

/* Pilares */
.pilares{list-style:none;padding:0;margin:34px 0 0;display:grid;grid-template-columns:repeat(5,1fr);gap:0;border-top:1px solid var(--linea)}
.pilares li{padding:26px 22px 8px 0;border-right:1px solid var(--linea);margin-right:22px}
.pilares li:last-child{border-right:0;margin-right:0}
.pilares p{color:var(--pizarra);font-size:.95rem;margin:0}
.ico{display:inline-block;width:34px;height:34px;margin-bottom:14px}
.ico svg{width:100%;height:100%;fill:none;stroke:var(--tinta);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}

/* Servicios */
.cards2{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:30px}
.svc{border:1px solid var(--linea);border-radius:var(--r);padding:32px;background:var(--papel);position:relative}
.svc__n{display:block;color:var(--senal-osc);margin-bottom:14px}
.svc p{color:#33404F}
.cols3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:28px}
.cols4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:28px}
.who{border-top:2px solid var(--tinta);padding-top:18px}
.who p{color:var(--pizarra);margin:0}

/* Steps */
.steps,.phases{list-style:none;padding:0;margin:30px 0 0;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:s}
.steps li,.phases li{border-left:2px solid var(--senal);padding:4px 0 4px 18px}
.steps__n{display:block;color:var(--senal-osc);margin-bottom:8px}
.steps p,.phases p{color:var(--pizarra);margin:0 0 .6em}
.const{font-size:.92rem;color:var(--tinta)!important}

/* Listas "Lo que no hace" */
.no{margin-top:40px;border:1px solid var(--linea);border-radius:var(--r);padding:30px;background:#fff}
.no ul{list-style:none;padding:0;margin:0}
.no li{display:flex;gap:12px;align-items:flex-start;padding:8px 0;border-top:1px dashed var(--linea)}
.no li:first-child{border-top:0}
.no__x{flex:none;width:18px;height:18px;margin-top:4px;position:relative;border:1.5px solid var(--pizarra);border-radius:50%}
.no__x::before{content:"";position:absolute;left:3px;right:3px;top:50%;height:1.5px;background:var(--pizarra);transform:rotate(-45deg)}
.sec .no{background:#fff}

/* Definition lists */
.dl dt{font-family:var(--head);font-weight:700;font-size:1.08rem;margin-top:20px}
.dl dd{margin:4px 0 0;color:var(--pizarra)}
.risk{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}
.tag{display:inline-flex;align-items:center;gap:6px;font-family:var(--mono);font-size:.8rem;padding:3px 10px;border-radius:3px;border:1px solid}
.tag i{font-style:normal;font-size:.75rem}
.tag--low{color:var(--senal-osc);border-color:var(--senal);background:#E8F7F4}
.tag--mid{color:#8A5A0E;border-color:var(--ambar);background:#FDF3E2}
.tag--high{color:#9E2E2E;border-color:var(--rojo);background:#FBEAEA}

/* Funciones */
.func{list-style:none;padding:0;margin:28px 0 0;display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--linea);border-left:1px solid var(--linea)}
.func li{padding:24px;border-right:1px solid var(--linea);border-bottom:1px solid var(--linea)}
.func p{color:var(--pizarra);margin:0;font-size:.95rem}

/* Traza ilustrativa */
.trace{margin:24px 0 0;background:var(--tinta);color:#E7ECF2;border-radius:var(--r);padding:26px 28px;font-family:var(--mono);font-size:.92rem}
.trace__lbl{color:var(--senal);font-size:.78rem;text-transform:uppercase;letter-spacing:.1em;margin-bottom:14px}
.trace__row{display:grid;grid-template-columns:130px 1fr;gap:16px;padding:8px 0;border-top:1px solid rgba(255,255,255,.08)}
.trace .k{color:#93A1B2}
.trace__num{color:#fff;font-weight:500}
.pend{border:1px solid #93A1B2;border-radius:3px;padding:1px 8px}

/* Tabla */
.tbl-wrap{overflow-x:auto;margin-top:24px}
.tbl{width:100%;border-collapse:collapse;background:#fff;font-size:.95rem}
.tbl th{font-family:var(--mono);font-weight:500;font-size:.78rem;text-transform:uppercase;letter-spacing:.08em;color:var(--pizarra);text-align:left;padding:12px 16px;border-bottom:2px solid var(--tinta)}
.tbl td{padding:12px 16px;border-bottom:1px solid var(--linea);vertical-align:top}
.checks{list-style:none;padding:0;margin:0}
.checks li{position:relative;padding:0 0 12px 30px}
.checks li::before{content:"";position:absolute;left:0;top:7px;width:14px;height:14px;border-radius:50%;background:var(--senal)}
.faq details{border-bottom:1px solid var(--linea);padding:14px 0}
.faq summary{font-weight:600;cursor:pointer;list-style:none;position:relative;padding-right:28px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:4px;top:-2px;font-family:var(--mono);font-size:1.2rem;color:var(--senal-osc)}
.faq details[open] summary::after{content:"−"}
.faq p{color:var(--pizarra);margin:10px 0 0}

/* Alcance */
.scope{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--linea);border-radius:var(--r);overflow:hidden}
.scope__col{padding:30px}
.scope__col--si{background:#F1FAF8}
.scope__col--no{background:var(--papel);border-left:1px solid var(--linea)}
.scope ul{list-style:none;padding:0;margin:0}
.scope li{padding:11px 0 11px 30px;border-top:1px dashed var(--linea);position:relative}
.scope li:first-child{border-top:0}
.scope__col--si li::before{content:"";position:absolute;left:2px;top:17px;width:12px;height:12px;border-radius:50%;background:var(--senal)}
.scope__col--no li::before{content:"";position:absolute;left:2px;top:23px;width:14px;height:1.5px;background:var(--pizarra)}
.clause{margin:36px 0 0;padding:24px 28px;border-left:3px solid var(--senal);background:var(--papel);font-size:.98rem}
.clause p:last-child{margin:0}
.name-sym{display:grid;place-items:center}
.big-sym{width:100%;max-width:300px}

/* CTA */
.cta{background:var(--tinta);color:#fff;padding:64px 0}
.cta h2{color:#fff;margin-bottom:.3em}
.cta p{color:#C7D0DB;margin:0;max-width:56ch}
.cta__in{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}

/* Contacto */
.contact{display:grid;grid-template-columns:1.6fr 1fr;gap:56px;align-items:start}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:18px 22px}
form label{display:block;font-weight:600;font-size:.92rem;margin-bottom:18px}
.grid2 label{margin-bottom:0}
input[type=text],input[type=email],input[type=tel],input:not([type]),textarea,select{display:block;width:100%;margin-top:6px;font:inherit;font-weight:400;padding:11px 13px;border:1.5px solid #C9CFD6;border-radius:var(--r);background:#fff;color:var(--tinta)}
input:focus,textarea:focus,select:focus{outline:none;border-color:var(--senal);box-shadow:0 0 0 3px rgba(25,181,160,.2)}
.invalid{border-color:var(--rojo)!important}
textarea{resize:vertical}
fieldset{border:0;padding:0;margin:22px 0 16px}
legend{font-weight:600;font-size:.92rem;margin-bottom:8px}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{display:inline-flex;align-items:center;gap:7px;margin:0;font-weight:400;border:1.5px solid #C9CFD6;border-radius:var(--r);padding:7px 13px;cursor:pointer;background:#fff}
.chip:has(input:checked){border-color:var(--senal);background:#E8F7F4}
.chip input{accent-color:var(--senal-osc)}
.check{display:flex;gap:10px;align-items:flex-start;font-weight:400}
.check input{margin-top:6px;accent-color:var(--senal-osc)}
.req{color:var(--rojo)}.opt{font-weight:400;color:var(--pizarra)}
.count{display:block;text-align:right;font-weight:400;color:var(--pizarra);margin-top:4px}
.hp{position:absolute;left:-9999px}
.note{font-size:.9rem;color:var(--pizarra);background:var(--papel);padding:12px 16px;border-radius:var(--r)}
.privacy-short{font-size:.8rem;color:var(--pizarra);line-height:1.55}
.alert{padding:14px 18px;border-radius:var(--r);margin-bottom:22px;font-weight:600}
.alert--ok{background:#E8F7F4;color:var(--senal-osc)}
.alert--err{background:#FBEAEA;color:#9E2E2E}
.side{background:var(--tinta);color:#fff;border-radius:var(--r);padding:32px;position:sticky;top:100px}
.side h2{color:#fff;font-size:1.4rem}
.side__list{list-style:none;margin:0;padding:0}
.side__list li{padding:14px 0;border-bottom:1px solid rgba(255,255,255,.1);display:flex;flex-direction:column;gap:2px}
.side__list li:last-child{border:0}
.side__list span{color:var(--senal);font-size:.75rem;text-transform:uppercase;letter-spacing:.1em}
.side__list a{color:#fff;text-decoration:none}

/* Legal */
.legal h1{font-size:2.3rem}
.legal h2{font-size:1.2rem;margin-top:1.6em}
.draft{background:#FDF3E2;border-left:3px solid var(--ambar);padding:10px 16px;font-size:.88rem}

/* Footer */
.ftr{background:var(--tinta);color:#B8C3D0;padding:60px 0 26px;font-size:.93rem}
.ftr__grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:44px}
.ftr__addr{margin-top:18px;color:#93A1B2}
.ftr__h{font-family:var(--mono);font-weight:500;font-size:.75rem;text-transform:uppercase;letter-spacing:.14em;color:var(--senal)}
.ftr__list{list-style:none;padding:0;margin:0}
.ftr__list li{margin-bottom:8px}
.ftr a{color:#E7ECF2;text-decoration:none}
.ftr a:hover{color:var(--senal)}
.ftr__legal{border-top:1px solid rgba(255,255,255,.1);margin-top:38px;padding-top:22px}
.ftr__clause{font-size:.8rem;color:#8291A3;max-width:100ch}
.ftr__links{font-size:.85rem;margin:0}

/* Responsive */
@media (max-width:1060px){
  .nav-toggle{display:block}
  .nav{position:fixed;inset:74px 0 auto 0;background:var(--papel);flex-direction:column;align-items:stretch;padding:18px 24px 26px;gap:16px;border-bottom:1px solid var(--linea);box-shadow:0 20px 30px rgba(15,27,45,.08);display:none}
  .nav.open{display:flex}
  .nav ul{flex-direction:column;gap:2px}
  .nav ul a{display:block;padding:10px 0}
  .hero__in,.split,.two,.contact{grid-template-columns:1fr}
  .hero__art{max-width:380px;justify-self:start}
  .pilares{grid-template-columns:repeat(2,1fr)}
  .pilares li{border-right:0;margin-right:0;border-bottom:1px solid var(--linea);padding-bottom:20px}
  .steps,.phases,.cols4{grid-template-columns:1fr 1fr}
  .func{grid-template-columns:1fr 1fr}
  .side{position:static}
}
@media (max-width:640px){
  body{font-size:16px}
  .sec{padding:56px 0}
  .hero,.phero{padding:56px 0}
  .hero__art{display:none}
  .pilares,.cards2,.cols3,.cols4,.steps,.phases,.func,.scope,.grid2,.ftr__grid{grid-template-columns:1fr}
  .scope__col--no{border-left:0;border-top:1px solid var(--linea)}
  .trace__row{grid-template-columns:1fr;gap:2px}
  .cta__in{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}