/* TARNEX — RÍO CABLE */
:root{
  --teal:#12C2B8; --teal-2:#0EA8A0; --teal-d:#0A7A74;
  --navy:#07141B; --navy-2:#0B1C25; --navy-3:#122833;
  --ink:#10181C; --muted:#5B6A72;
  --line:rgba(16,24,28,.12); --line-s:rgba(255,255,255,.12);
  --sand:#F3EEE6; --paper:#F6F4F0; --white:#fff;
  --red:#E23B2C; --gold:#C6A15B;
  --shadow:0 28px 70px rgba(7,20,27,.16);
  --nav-h:88px;
  --font-d:"Barlow Condensed", Impact, sans-serif;
  --font-b:"Manrope", system-ui, sans-serif;
  --max:1280px; --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
html,body{margin:0;padding:0}
body{font-family:var(--font-b);color:var(--ink);background:var(--paper);line-height:1.65;font-size:16.5px;-webkit-font-smoothing:antialiased;overflow-x:hidden}
::selection{background:var(--teal);color:var(--navy)}
:focus-visible{outline:2px solid var(--teal);outline-offset:3px}
img,svg{max-width:100%;display:block}img{height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font-family:inherit}
h1,h2,h3,h4,p{margin:0}
.skip{position:absolute;left:-999px;top:0}.skip:focus{left:16px;top:16px;background:#fff;padding:8px 12px;z-index:9999}
.wrap{width:min(var(--max), calc(100% - 64px));margin-inline:auto}

.nav{position:fixed;inset:0 0 auto 0;height:var(--nav-h);z-index:200;display:flex;align-items:center;justify-content:space-between;padding:0 40px;transition:background .4s var(--ease),box-shadow .4s,backdrop-filter .4s}
.nav.is-solid{background:rgba(7,20,27,.94);backdrop-filter:blur(18px);box-shadow:0 12px 40px rgba(0,0,0,.22)}
.nav__logo{width:196px;flex-shrink:0;display:flex;align-items:center}
.nav__logo img{height:44px;width:auto}
.nav__links{display:flex;gap:36px;align-items:center}
.nav__links a{font-size:12.5px;letter-spacing:.18em;text-transform:uppercase;font-weight:700;color:rgba(255,255,255,.78);position:relative;padding:6px 0}
.nav__links a:hover,.nav__links a.is-active{color:#fff}
.nav__links a.is-active::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--teal)}
.nav__toggle{display:none;width:44px;height:44px;background:transparent;border:0;cursor:pointer;z-index:210}
.nav__toggle span{display:block;width:22px;height:2px;background:#fff;margin:5px auto;transition:.3s}
.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)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;height:48px;padding:0 24px;border:0;cursor:pointer;font-weight:800;font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;transition:transform .2s var(--ease),background .2s,color .2s,border-color .2s,box-shadow .2s}
.btn:hover{transform:translateY(-2px)}
.btn--teal{background:var(--teal);color:var(--navy)}
.btn--teal:hover{background:#3fd4cb;box-shadow:0 12px 28px rgba(18,194,184,.28)}
.btn--ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.35)}
.btn--ghost:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.btn--dark{background:var(--navy);color:#fff}
.btn--dark:hover{background:#0e2430}
.btn--outline{background:transparent;color:var(--navy);border:1px solid var(--navy)}
.btn--outline:hover{background:var(--navy);color:#fff}
.nav__links .btn{color:var(--navy)}
.nav__links .btn:hover{color:var(--navy)}

.hero{position:relative;min-height:100vh;min-height:100dvh;display:flex;align-items:flex-end;color:#fff;overflow:hidden;background:var(--navy)}
.hero__media{position:absolute;inset:0}
.hero__media img{width:100%;height:100%;object-fit:cover;object-position:center 40%;transform:scale(1.08);animation:heroZoom 26s var(--ease) infinite alternate}
@keyframes heroZoom{to{transform:scale(1)}}
.hero__shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,20,27,.5) 0%,rgba(7,20,27,.18) 34%,rgba(7,20,27,.58) 70%,rgba(7,20,27,.94) 100%),linear-gradient(90deg,rgba(7,20,27,.62) 0%,transparent 58%)}
.hero__cables{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.hero__inner{position:relative;z-index:2;width:min(var(--max),calc(100% - 64px));margin:0 auto 150px;padding-top:var(--nav-h)}
.kicker{font-size:12px;letter-spacing:.28em;text-transform:uppercase;font-weight:800;color:var(--teal);margin-bottom:18px}
.hero h1{font-family:var(--font-d);font-weight:700;font-size:clamp(52px,8.4vw,118px);line-height:.86;letter-spacing:-.02em;max-width:14ch;margin-bottom:22px}
.hero h1 em{font-style:normal;color:var(--teal)}
.hero__lead{max-width:54ch;font-size:18px;color:rgba(255,255,255,.82);margin-bottom:32px}
.hero__actions{display:flex;flex-wrap:wrap;gap:12px}
.hero__meta{position:absolute;left:0;right:0;bottom:0;z-index:3;display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line-s);background:rgba(7,20,27,.55);backdrop-filter:blur(12px)}
.hero__meta > div{padding:22px 40px;border-right:1px solid var(--line-s);font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:rgba(255,255,255,.65)}
.hero__meta > div:last-child{border-right:0}
.hero__meta strong{display:block;font-family:var(--font-d);font-size:34px;letter-spacing:0;color:#fff;font-weight:700;text-transform:none;line-height:1;margin-bottom:4px}
.scroll-hint{position:absolute;right:40px;bottom:110px;z-index:3;writing-mode:vertical-rl;font-size:11px;letter-spacing:.28em;text-transform:uppercase;color:rgba(255,255,255,.55)}
.scroll-hint::after{content:"";display:block;width:1px;height:48px;background:var(--teal);margin:12px auto 0;animation:pulse 1.6s ease-in-out infinite}
@keyframes pulse{50%{opacity:.25;transform:scaleY(.7)}}
.marquee{overflow:hidden;background:var(--teal);color:var(--navy);padding:14px 0}
.marquee__track{display:flex;gap:48px;width:max-content;animation:marq 32s linear infinite;font-family:var(--font-d);font-size:18px;letter-spacing:.22em;text-transform:uppercase;font-weight:700}
.marquee__track span{white-space:nowrap}
.marquee__track span::before{content:"●";margin-right:48px;color:var(--navy)}
@keyframes marq{to{transform:translateX(-50%)}}

.section{padding:108px 0}
.section--white{background:#fff}
.section--sand{background:var(--sand)}
.section--navy{background:var(--navy);color:#fff}
.section--navy p{color:rgba(255,255,255,.72)}
.sec-head{display:grid;grid-template-columns:1.2fr .8fr;gap:48px;align-items:end;margin-bottom:56px}
.overline{font-size:12px;letter-spacing:.26em;text-transform:uppercase;font-weight:800;color:var(--teal-d);margin-bottom:12px}
.section--navy .overline{color:var(--teal)}
h2,.display{font-family:var(--font-d);font-weight:600;font-size:clamp(36px,4.6vw,64px);line-height:.92;letter-spacing:-.015em}
.sec-head p{color:var(--muted);font-size:17px}
.section--navy .sec-head p{color:rgba(255,255,255,.7)}
.lead{font-size:18px;color:var(--muted);max-width:70ch}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:start}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}

.card{background:#fff;border:1px solid var(--line);padding:28px 24px;position:relative;transition:transform .35s var(--ease),box-shadow .35s}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.card--dark{background:var(--navy-3);border-color:var(--line-s);color:#fff}
.card--dark p{color:rgba(255,255,255,.7)}
.tag{display:inline-block;font-size:10px;letter-spacing:.2em;text-transform:uppercase;font-weight:800;background:var(--teal);color:var(--navy);padding:5px 10px;margin-bottom:14px}
.card__code{font-size:12px;letter-spacing:.18em;text-transform:uppercase;font-weight:800;color:var(--teal-d);margin-bottom:8px}
.card--dark .card__code{color:var(--teal)}
.card h3{font-family:var(--font-d);font-size:32px;line-height:.95;font-weight:600;margin:0 0 10px}
.card p{color:var(--muted);font-size:15px;margin-bottom:18px}
.spec{display:flex;justify-content:space-between;gap:12px;border-top:1px solid var(--line);padding:10px 0;font-size:13.5px}
.card--dark .spec{border-color:var(--line-s)}
.spec span{color:var(--muted)}
.spec b{font-weight:800}

.split{display:grid;grid-template-columns:1.05fr .95fr;min-height:640px}
.split__visual{position:relative;overflow:hidden;min-height:420px}
.split__visual img{width:100%;height:100%;object-fit:cover;min-height:640px}
.split__body{padding:80px 64px;display:flex;flex-direction:column;justify-content:center;background:#fff}
.checklist{list-style:none;padding:0;margin:24px 0 0}
.checklist li{position:relative;padding:12px 0 12px 36px;border-top:1px solid var(--line)}
.section--navy .checklist li{border-color:var(--line-s)}
.checklist li::before{content:"";position:absolute;left:0;top:18px;width:16px;height:16px;background:var(--teal);clip-path:polygon(14% 44%,0 58%,40% 100%,100% 18%,84% 6%,38% 72%)}

.project{display:grid;grid-template-columns:1.15fr .85fr;gap:0;margin-bottom:28px;background:#fff;border:1px solid var(--line);overflow:hidden}
.project__media{min-height:380px;position:relative;overflow:hidden}
.project__media img{width:100%;height:100%;object-fit:cover;min-height:380px;transition:transform 1s var(--ease)}
.project:hover .project__media img{transform:scale(1.05)}
.project__body{padding:48px 44px;display:flex;flex-direction:column;justify-content:center}
.project__body h3{font-family:var(--font-d);font-size:42px;line-height:.92;font-weight:600;margin:0 0 14px}
.project__body p{color:var(--muted);margin-bottom:18px}
.meta-row{display:flex;flex-wrap:wrap;gap:8px;margin:8px 0 22px}
.meta-row span{font-size:11px;letter-spacing:.14em;text-transform:uppercase;font-weight:700;border:1px solid var(--line);padding:6px 10px;color:var(--muted)}

.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.stat{border-top:2px solid var(--teal);padding:18px 8px 8px}
.stat b{display:block;font-family:var(--font-d);font-size:56px;line-height:.9;font-weight:700}
.stat span{font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:rgba(255,255,255,.6)}
.table-wrap{overflow:auto;border:1px solid var(--line)}
table{width:100%;border-collapse:collapse;font-size:14.5px}
th,td{padding:16px 18px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap}
th{font-size:11px;letter-spacing:.16em;text-transform:uppercase;background:var(--navy);color:#fff;font-weight:700}
tr:hover td{background:rgba(18,194,184,.06)}

.page-hero{background:var(--navy);color:#fff;padding:160px 0 72px;position:relative;overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:auto -10% -40% 40%;height:420px;background:radial-gradient(circle,rgba(18,194,184,.18),transparent 60%)}
.breadcrumb{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:rgba(255,255,255,.5);margin-bottom:18px}
.breadcrumb a:hover{color:var(--teal)}
.page-hero h1{font-family:var(--font-d);font-size:clamp(42px,6vw,88px);line-height:.9;font-weight:700;max-width:16ch}
.page-hero p.hero-sub{max-width:54ch;color:rgba(255,255,255,.7);margin-top:18px;font-size:18px}
.cta{background:linear-gradient(180deg,rgba(7,20,27,.5),rgba(7,20,27,.88)),url("https://images.unsplash.com/photo-1464822759023-fed622ff2c3b?auto=format&fit=crop&w=2000&q=70") center/cover;color:#fff;padding:120px 0;text-align:center}
.cta h2{margin:12px 0 28px}

form label{display:block;font-size:11px;letter-spacing:.16em;text-transform:uppercase;font-weight:800;margin:16px 0 8px}
input,select,textarea{width:100%;height:50px;border:1px solid var(--line);background:#fff;padding:0 14px;font-size:15px;outline:none}
textarea{height:140px;padding:12px 14px;resize:vertical}
input:focus,select:focus,textarea:focus{border-color:var(--teal)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.map{width:100%;min-height:360px;border:0;filter:grayscale(.35) contrast(1.05)}

.footer{background:#050d12;color:rgba(255,255,255,.7);padding:72px 0 28px;font-size:14.5px}
.footer__grid{display:grid;grid-template-columns:1.4fr .8fr .8fr 1.1fr;gap:40px;margin-bottom:48px}
.footer h4{font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:#fff;margin-bottom:16px}
.footer a{display:block;padding:4px 0;color:rgba(255,255,255,.65)}
.footer a:hover{color:var(--teal)}
.footer p{margin:0 0 8px}
.footer__copy{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;border-top:1px solid var(--line-s);padding-top:22px;font-size:12.5px;letter-spacing:.08em;text-transform:uppercase}

.diagram{background:var(--navy-2);border:1px solid var(--line-s);padding:28px}
.diagram svg{width:100%;height:auto}
.sys-nav{position:sticky;top:var(--nav-h);z-index:80;background:rgba(7,20,27,.94);backdrop-filter:blur(16px);border-bottom:1px solid var(--line-s)}
.sys-nav .wrap{display:flex;gap:8px;overflow:auto;padding:0}
.sys-nav a{flex:none;padding:16px 18px;font-size:12px;letter-spacing:.16em;text-transform:uppercase;font-weight:700;color:rgba(255,255,255,.55);border-bottom:2px solid transparent}
.sys-nav a:hover,.sys-nav a.is-on{color:#fff;border-bottom-color:var(--teal)}
.sys-block{display:grid;grid-template-columns:.92fr 1.08fr;overflow:hidden;border:1px solid var(--line);background:#fff}
.section--navy .sys-block{border-color:var(--line-s);background:transparent}
.sys-block__body{padding:48px 40px}
.sys-visual{background:linear-gradient(160deg,#0B1C25,#16323c);min-height:100%;display:grid;place-items:center;position:relative;overflow:hidden}
.sys-visual img,.sys-visual svg{width:100%;height:100%;object-fit:cover;max-width:none}
.app{padding:28px 0;border-top:1px solid var(--line)}
.app b{display:block;font-family:var(--font-d);font-size:28px;font-weight:600;line-height:1;margin-bottom:8px}
.app p{color:var(--muted);margin:0;font-size:15px}
.compare{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line);overflow:hidden}
.compare article{padding:40px 36px}
.compare article:first-child{background:#fff;border-right:1px solid var(--line)}
.compare article:last-child{background:var(--navy);color:#fff}
.compare h3{font-family:var(--font-d);font-size:36px;line-height:1;font-weight:600;margin:0 0 18px}
.compare ul{margin:0;padding:0 0 0 18px;color:var(--muted)}
.compare article:last-child ul{color:rgba(255,255,255,.75)}
.compare li{padding:8px 0}

.reveal{opacity:0;transform:translateY(24px);animation:up .9s var(--ease) forwards}
.reveal-d1{animation-delay:.12s}.reveal-d2{animation-delay:.24s}.reveal-d3{animation-delay:.36s}
@keyframes up{to{opacity:1;transform:none}}
.js .inview{opacity:0;transform:translateY(28px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.js .inview.is-in{opacity:1;transform:none}

@media (max-width:1080px){
  .grid-4{grid-template-columns:1fr 1fr}
  .sec-head,.split,.project,.compare,.sys-block{grid-template-columns:1fr}
  .split__body{padding:48px 32px}
  .split__visual img{min-height:420px}
  .stats{grid-template-columns:1fr 1fr}
  .footer__grid{grid-template-columns:1fr 1fr}
  .compare article:first-child{border-right:0;border-bottom:1px solid var(--line)}
}
@media (max-width:760px){
  .wrap{width:min(var(--max),calc(100% - 36px))}
  .nav{padding:0 18px}
  .nav__toggle{display:block}
  .nav__links{position:fixed;inset:0 0 0 auto;width:min(82vw,360px);height:100dvh;background:var(--navy);flex-direction:column;align-items:flex-start;padding:110px 32px 32px;gap:22px;transform:translateX(110%);transition:transform .4s var(--ease)}
  .nav__links.is-open{transform:none}
  .hero__inner{margin-bottom:190px}
  .hero__meta{grid-template-columns:1fr}
  .hero__meta > div{padding:14px 24px;border-right:0;border-bottom:1px solid var(--line-s)}
  .scroll-hint{display:none}
  .grid-2,.grid-3,.grid-4,.form-grid{grid-template-columns:1fr}
  .section{padding:72px 0}
  .hero h1{font-size:52px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none !important;transition:none !important}
  .hero__media img{transform:none}
  .js .inview,.reveal{opacity:1;transform:none}
}