:root{
  --ink:#eeeae2;--ink-soft:#b7b0a3;--ink-faint:#7a7468;
  --bg:#0d0d0c;--bg-2:#161513;--panel:#1a1917;--line:#2b2925;
  --paper:#f6f3ee;--paper-ink:#141311;
  --accent:#f0961f;--accent-2:#ffc069;--accent-deep:#c9740c;
  --display:"Space Grotesk","Manrope",system-ui,sans-serif;
  --body:"Manrope",system-ui,-apple-system,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,monospace;
  --shell:1240px;--pad:clamp(20px,5vw,64px);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--body);background:var(--bg);color:var(--ink);font-size:18px;line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
::selection{background:var(--accent);color:#140b00}
h1,h2,h3,h4{font-family:var(--display);font-weight:700;line-height:1;margin:0;letter-spacing:-0.02em;color:var(--ink)}
h1{font-size:clamp(2.6rem,7vw,5.6rem)}
h2{font-size:clamp(2rem,4.4vw,3.4rem);letter-spacing:-0.025em}
h3{font-size:clamp(1.15rem,1.8vw,1.4rem)}
p{margin:0 0 1em;text-wrap:pretty}
.shell{max-width:var(--shell);margin-inline:auto;padding-inline:var(--pad)}
.section{padding-block:clamp(64px,9vw,128px)}
.section.tight{padding-block:clamp(44px,5vw,72px)}
.muted{color:var(--ink-soft)}
.lead{font-size:clamp(1.05rem,1.4vw,1.28rem);color:var(--ink-soft)}
.mono{font-family:var(--mono)}
.eyebrow{font-family:var(--mono);font-size:.76rem;font-weight:500;letter-spacing:.18em;text-transform:uppercase;color:var(--accent);display:inline-flex;align-items:center;gap:.7em}
.eyebrow::before{content:"";width:8px;height:8px;background:var(--accent);display:inline-block;border-radius:2px}
.row{display:flex;gap:14px;flex-wrap:wrap;align-items:center}

.on-paper{background:var(--paper);color:var(--paper-ink)}
.on-paper h1,.on-paper h2,.on-paper h3{color:var(--paper-ink)}
.on-paper .muted,.on-paper .lead{color:#5a5548}
.on-paper .eyebrow{color:var(--accent-deep)}

/* header */
.site-header{position:fixed;top:0;left:0;right:0;z-index:60;background:transparent;transition:background .25s,border-color .25s;border-bottom:1px solid transparent}
.site-header.scrolled{background:rgba(13,13,12,.86);backdrop-filter:blur(14px);border-bottom-color:var(--line)}
.nav{display:flex;align-items:center;gap:22px;height:82px}
.brand{display:flex;align-items:center;height:40px;background:var(--paper);padding:8px 14px;border-radius:10px}
.brand img{height:100%;width:auto}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:20px}
.nav-links a{font-size:.94rem;font-weight:500;color:var(--ink-soft);padding:.5em .85em;border-radius:999px;transition:color .15s,background .15s}
.nav-links a:hover{color:var(--ink);background:var(--panel)}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:14px}
.lang-toggle{display:inline-flex;border:1px solid var(--line);border-radius:999px;overflow:hidden}
.lang-toggle button{font-family:var(--mono);font-size:.72rem;font-weight:600;letter-spacing:.05em;padding:.5em .75em;border:0;background:transparent;color:var(--ink-faint);cursor:pointer;transition:all .15s}
.lang-toggle button.on{background:var(--accent);color:#1a0f00}
.hamburger{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:10px;background:transparent;cursor:pointer;align-items:center;justify-content:center}
.hamburger span,.hamburger span::before,.hamburger span::after{content:"";display:block;width:18px;height:2px;background:var(--ink);position:relative;transition:.2s}
.hamburger span::before{position:absolute;top:-6px}.hamburger span::after{position:absolute;top:6px}
@media(max-width:880px){
  .nav-links{position:fixed;inset:82px 0 auto 0;flex-direction:column;align-items:stretch;gap:0;background:var(--bg-2);border-bottom:1px solid var(--line);padding:10px var(--pad) 22px;margin:0;transform:translateY(-130%);transition:transform .28s ease}
  .nav-links.open{transform:translateY(0)}
  .nav-links a{padding:.9em .4em;border-bottom:1px solid var(--line);font-size:1.05rem}
  .hamburger{display:inline-flex}
  .nav-cta-desktop{display:none}
}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:.55em;font-family:var(--body);font-weight:600;font-size:1rem;padding:.9em 1.5em;border-radius:8px;border:1px solid transparent;cursor:pointer;transition:transform .18s,box-shadow .18s,background .18s,border-color .18s;white-space:nowrap;line-height:1}
.btn svg{width:1.05em;height:1.05em}
.btn-accent{background:var(--accent);color:#1a0f00}
.btn-accent:hover{background:var(--accent-2);transform:translateY(-2px)}
.btn-outline{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-outline:hover{border-color:var(--ink);transform:translateY(-2px)}
.btn-dark{background:var(--paper-ink);color:var(--paper)}
.btn-dark:hover{transform:translateY(-2px)}
.btn-lg{padding:1.05em 1.8em;font-size:1.06rem}

/* hero */
.hero{padding:clamp(150px,16vw,210px) 0 clamp(60px,7vw,96px);position:relative;overflow:hidden;background:
  linear-gradient(180deg,var(--bg) 60%,var(--bg-2)),
  radial-gradient(60% 50% at 85% 8%,color-mix(in oklab,var(--accent),transparent 78%),transparent 70%)}
.hero .tag-strip{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:26px}
.hero .tag-strip span{font-family:var(--mono);font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-faint);border:1px solid var(--line);border-radius:999px;padding:.5em 1em}
.hero h1{max-width:15ch}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero-bottom{display:grid;grid-template-columns:1.4fr 1fr;gap:48px;align-items:end;margin-top:40px;border-top:1px solid var(--line);padding-top:32px}
@media(max-width:880px){.hero-bottom{grid-template-columns:1fr;gap:24px}}

/* marquee tech strip */
.strip{border-block:1px solid var(--line);overflow:hidden;padding-block:20px}
.strip .track{display:flex;gap:52px;white-space:nowrap;animation:scroll 26s linear infinite;width:max-content}
.strip .track span{font-family:var(--mono);font-size:.9rem;color:var(--ink-faint);letter-spacing:.04em}
@keyframes scroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}
@media(prefers-reduced-motion:reduce){.strip .track{animation:none}}

/* servicios: filas numeradas */
.svc-list{border-top:1px solid var(--line)}
.svc-row{display:grid;grid-template-columns:80px 1.1fr 1.4fr;gap:32px;padding:34px 0;border-bottom:1px solid var(--line);align-items:start}
@media(max-width:820px){.svc-row{grid-template-columns:50px 1fr;grid-template-areas:"num title" ". desc"}.svc-row .svc-desc{grid-area:desc}.svc-row .svc-title{grid-area:title}.svc-row .svc-num{grid-area:num}}
.svc-num{font-family:var(--mono);color:var(--accent);font-size:1.1rem}
.svc-title h3{font-size:clamp(1.3rem,2.4vw,1.8rem)}
.svc-desc p{margin:0}
.svc-desc .tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
.svc-desc .tags span{font-family:var(--mono);font-size:.7rem;color:var(--ink-faint);border:1px solid var(--line);border-radius:6px;padding:.3em .6em}

/* proceso: timeline horizontal */
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;margin-top:44px}
@media(max-width:820px){.timeline{grid-template-columns:1fr 1fr}}
@media(max-width:480px){.timeline{grid-template-columns:1fr}}
.tl-item{position:relative;padding-top:26px}
.tl-item::before{content:"";position:absolute;top:0;left:0;width:100%;height:2px;background:var(--line)}
.tl-item::after{content:"";position:absolute;top:-4px;left:0;width:10px;height:10px;border-radius:50%;background:var(--accent)}
.tl-item .num{font-family:var(--mono);color:var(--accent);font-size:.85rem}
.tl-item h3{margin:10px 0 8px;font-size:1.15rem}
.tl-item p{font-size:.95rem;margin:0}

/* nosotros */
.about-grid{display:grid;grid-template-columns:0.9fr 1.1fr;gap:clamp(30px,5vw,64px);align-items:center}
@media(max-width:880px){.about-grid{grid-template-columns:1fr}}
.about-grid .big-num{font-family:var(--display);font-size:clamp(3.4rem,7vw,6rem);line-height:.9;color:var(--accent-deep)}

/* cta */
.cta{background:var(--paper-ink);border-radius:0;position:relative;overflow:hidden}

/* contacto */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(30px,4vw,64px);align-items:start}
@media(max-width:880px){.contact-grid{grid-template-columns:1fr}}
.field{margin-bottom:18px}
.field label{display:block;font-family:var(--mono);font-size:.76rem;letter-spacing:.05em;text-transform:uppercase;margin-bottom:8px;color:var(--ink-faint)}
.on-paper .field label{color:#8a8474}
.field input,.field textarea,.field select{width:100%;font-family:var(--body);font-size:1rem;padding:.85em .9em;border:1px solid var(--line);border-radius:8px;background:transparent;color:inherit}
.on-paper .field input,.on-paper .field textarea,.on-paper .field select{border-color:#d9d2c3;background:#fff}
.field textarea{min-height:120px;resize:vertical}
.field input:focus,.field textarea:focus,.field select:focus{outline:2px solid var(--accent);outline-offset:1px}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(max-width:520px){.field-row{grid-template-columns:1fr}}
.contact-info .ci{display:flex;gap:16px;align-items:flex-start;padding:20px 0;border-bottom:1px solid #d9d2c3}
.contact-info .ci:last-child{border-bottom:0}
.contact-info .ic{width:40px;height:40px;border-radius:10px;background:#fff;border:1px solid #d9d2c3;color:var(--accent-deep);display:grid;place-items:center;flex:none}
.contact-info .ic svg{width:19px;height:19px}
.contact-info b{display:block;font-family:var(--mono);font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;color:#8a8474;margin-bottom:4px}
.sent-msg{display:none;padding:16px 18px;border-radius:8px;background:#fff;border:1px solid var(--accent);font-size:.95rem;margin-top:16px}
.sent-msg.show{display:block}
.form-note{font-size:.84rem;color:#8a8474;margin-top:10px}

/* footer */
.site-footer{background:var(--bg);color:var(--ink-faint);padding-block:44px 26px;border-top:1px solid var(--line)}
.footer-top{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}
.footer-top img{height:32px;background:var(--paper);padding:8px 14px;border-radius:10px}
.footer-bottom{margin-top:30px;padding-top:20px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:.82rem;font-family:var(--mono)}

.reveal{opacity:0;transform:translateY(20px);transition:opacity .6s cubic-bezier(.2,.7,.2,1),transform .6s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}