/* =====================================================
   Mecánica Rotativa — Premium Industrial Design System
   ===================================================== */
:root{
  --navy-950:#05080f;
  --navy-900:#0a1020;
  --navy-800:#0f1830;
  --navy-700:#152142;
  --navy-600:#1e2d55;
  --steel:#8a96b3;
  --steel-light:#c7d0e4;
  --copper:#c97b3d;
  --copper-light:#e2a06a;
  --copper-glow:#f0b880;
  --ivory:#f4efe6;
  --text:#e6ebf5;
  --text-dim:#96a1bd;
  --border:rgba(201,123,61,.15);
  --border-strong:rgba(201,123,61,.35);
  --grad-copper:linear-gradient(135deg,#c97b3d 0%,#e2a06a 50%,#c97b3d 100%);
  --grad-hero:radial-gradient(1200px 600px at 70% 20%, rgba(201,123,61,.18), transparent 60%),
              radial-gradient(900px 500px at 20% 80%, rgba(30,45,85,.6), transparent 60%),
              linear-gradient(180deg,#05080f 0%, #0a1020 100%);
  --shadow-lg:0 30px 80px -20px rgba(0,0,0,.6);
  --shadow-copper:0 20px 60px -15px rgba(201,123,61,.35);
  --f-display:'Fraunces','Playfair Display',Georgia,serif;
  --f-sans:'Inter','Helvetica Neue',Arial,sans-serif;
  --f-mono:'JetBrains Mono',ui-monospace,monospace;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased}
body{
  font-family:var(--f-sans);
  background:var(--navy-950);
  color:var(--text);
  line-height:1.6;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .3s ease}
a:hover{color:var(--copper-light)}

/* ---------- Layout ---------- */
.container{max-width:1280px;margin:0 auto;padding:0 clamp(20px,4vw,48px)}
.container-narrow{max-width:920px;margin:0 auto;padding:0 clamp(20px,4vw,48px)}
section{padding:clamp(70px,10vw,140px) 0;position:relative}

/* ---------- Typography ---------- */
h1,h2,h3,h4{font-family:var(--f-display);font-weight:500;line-height:1.1;letter-spacing:-.02em;color:#fff}
h1{font-size:clamp(2.8rem,6vw,5.5rem);font-weight:400}
h2{font-size:clamp(2rem,4.2vw,3.6rem);font-weight:400}
h3{font-size:clamp(1.3rem,2vw,1.75rem)}
h4{font-size:clamp(1.05rem,1.4vw,1.25rem);font-family:var(--f-sans);font-weight:600;letter-spacing:0}
p{color:var(--text-dim);font-size:1.02rem;line-height:1.75}
p.lead{font-size:1.2rem;color:var(--steel-light);max-width:70ch}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--f-mono);font-size:.72rem;
  letter-spacing:.3em;text-transform:uppercase;
  color:var(--copper);margin-bottom:24px;font-weight:500;
}
.eyebrow::before{content:"";width:32px;height:1px;background:var(--copper)}
.accent{color:var(--copper-light)}
.serif-italic{font-family:var(--f-display);font-style:italic;color:var(--ivory)}

/* ---------- Navigation ---------- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  padding:18px 0;
  background:rgba(5,8,15,.6);
  backdrop-filter:blur(20px) saturate(140%);
  -webkit-backdrop-filter:blur(20px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.04);
  transition:padding .3s ease, background .3s ease;
}
.nav.scrolled{padding:12px 0;background:rgba(5,8,15,.9)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:32px}
.brand{display:flex;align-items:center;gap:12px;font-family:var(--f-display);font-size:1.15rem;color:#fff;letter-spacing:-.01em}
.brand img{width:34px;height:34px}
.brand span{font-family:var(--f-mono);font-size:.68rem;letter-spacing:.25em;color:var(--copper);text-transform:uppercase;display:block;margin-top:2px}
.brand .brand-txt{display:flex;flex-direction:column;line-height:1.1}
.nav-links{display:flex;align-items:center;gap:34px;list-style:none}
.nav-links a{font-size:.92rem;color:var(--text-dim);font-weight:500;position:relative}
.nav-links a::after{content:"";position:absolute;bottom:-6px;left:0;width:0;height:1px;background:var(--copper);transition:width .3s ease}
.nav-links a:hover,.nav-links a.active{color:#fff}
.nav-links a.active::after,.nav-links a:hover::after{width:100%}
.nav-cta{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 22px;border:1px solid var(--copper);border-radius:999px;
  color:var(--copper-light);font-size:.85rem;font-weight:600;letter-spacing:.02em;
  transition:all .3s ease;
}
.nav-cta:hover{background:var(--copper);color:#0a1020}
.burger{display:none;background:none;border:none;color:#fff;cursor:pointer;padding:8px}
.burger svg{width:26px;height:26px}

@media(max-width:960px){
  .nav-links,.nav-cta{display:none}
  .nav-links.open{display:flex;position:absolute;top:100%;left:0;right:0;flex-direction:column;background:rgba(5,8,15,.98);padding:24px;gap:20px;border-top:1px solid var(--border)}
  .burger{display:inline-flex}
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:12px;
  padding:16px 32px;border-radius:2px;font-weight:600;
  font-size:.9rem;letter-spacing:.05em;text-transform:uppercase;
  cursor:pointer;border:none;transition:all .35s cubic-bezier(.2,.8,.2,1);
  font-family:var(--f-sans);
}
.btn-primary{background:var(--grad-copper);color:#0a1020;box-shadow:var(--shadow-copper)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 25px 70px -15px rgba(201,123,61,.55);color:#0a1020}
.btn-ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.2)}
.btn-ghost:hover{border-color:var(--copper);color:var(--copper-light);background:rgba(201,123,61,.06)}
.btn svg{width:16px;height:16px;transition:transform .3s ease}
.btn:hover svg{transform:translateX(4px)}

/* ---------- Hero ---------- */
.hero{
  min-height:100vh;position:relative;display:flex;align-items:center;
  padding-top:120px;padding-bottom:80px;
  background:var(--grad-hero);
  overflow:hidden;
}
.hero-3d{position:absolute;inset:0;z-index:1;opacity:.55;pointer-events:none}
.hero::after{
  content:"";position:absolute;inset:0;z-index:2;pointer-events:none;
  background:linear-gradient(180deg,transparent 40%,var(--navy-950) 100%);
}
.hero-inner{position:relative;z-index:3;width:100%}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:80px;align-items:center}
@media(max-width:980px){.hero-grid{grid-template-columns:1fr;gap:40px}}
.hero h1{margin-bottom:28px}
.hero h1 .serif-italic{display:block}
.hero p.lead{margin-bottom:40px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:80px;padding-top:40px;border-top:1px solid var(--border)}
.stat-num{font-family:var(--f-display);font-size:clamp(2rem,3.5vw,3rem);color:#fff;line-height:1;margin-bottom:6px}
.stat-num .plus{color:var(--copper)}
.stat-label{font-size:.8rem;color:var(--text-dim);letter-spacing:.1em;text-transform:uppercase}

.hero-visual{position:relative}
.hero-img{
  position:relative;border-radius:2px;overflow:hidden;
  aspect-ratio:4/5;box-shadow:var(--shadow-lg);
}
.hero-img img{width:100%;height:100%;object-fit:cover}
.hero-img::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(5,8,15,.5) 100%);z-index:1}
.hero-badge{
  position:absolute;bottom:24px;left:24px;right:24px;z-index:2;
  background:rgba(5,8,15,.7);backdrop-filter:blur(10px);
  padding:18px 22px;border:1px solid var(--border);
  display:flex;align-items:center;gap:16px;
}
.hero-badge .num{font-family:var(--f-display);font-size:1.8rem;color:var(--copper-light)}
.hero-badge .txt{font-size:.85rem;color:var(--text-dim);line-height:1.4}

/* ---------- Section headers ---------- */
.section-head{max-width:820px;margin-bottom:70px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head h2{margin-bottom:20px}

/* ---------- Services / Feature grid ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:32px}
@media(max-width:900px){.grid-3{grid-template-columns:1fr}.grid-2{grid-template-columns:1fr}}

.card{
  position:relative;padding:38px 32px;
  background:linear-gradient(180deg,rgba(255,255,255,.03),rgba(255,255,255,0));
  border:1px solid rgba(255,255,255,.06);
  border-radius:2px;transition:all .4s cubic-bezier(.2,.8,.2,1);
  overflow:hidden;
}
.card::before{
  content:"";position:absolute;top:0;left:0;width:100%;height:1px;
  background:var(--grad-copper);transform:scaleX(0);transform-origin:left;
  transition:transform .5s ease;
}
.card:hover{transform:translateY(-6px);border-color:var(--border-strong);background:linear-gradient(180deg,rgba(201,123,61,.05),rgba(255,255,255,0))}
.card:hover::before{transform:scaleX(1)}
.card-num{font-family:var(--f-mono);font-size:.75rem;color:var(--copper);letter-spacing:.2em;margin-bottom:22px;display:block}
.card-icon{
  width:56px;height:56px;border-radius:50%;
  background:linear-gradient(135deg,rgba(201,123,61,.18),rgba(201,123,61,.04));
  border:1px solid var(--border-strong);
  display:flex;align-items:center;justify-content:center;
  margin-bottom:26px;color:var(--copper-light);
}
.card-icon svg{width:26px;height:26px}
.card h3{margin-bottom:14px}
.card p{font-size:.95rem}
.card-link{margin-top:22px;font-size:.85rem;color:var(--copper-light);letter-spacing:.05em;text-transform:uppercase;font-weight:600;display:inline-flex;align-items:center;gap:8px}

/* ---------- Split section ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}
@media(max-width:900px){.split{grid-template-columns:1fr;gap:40px}}
.split-image{position:relative;aspect-ratio:5/6;overflow:hidden;border-radius:2px;box-shadow:var(--shadow-lg)}
.split-image img{width:100%;height:100%;object-fit:cover;transition:transform 1.2s ease}
.split:hover .split-image img{transform:scale(1.04)}
.split-image .overlay{position:absolute;inset:0;background:linear-gradient(45deg,rgba(10,16,32,.5),transparent 60%)}
.split-image .caption{
  position:absolute;bottom:24px;left:24px;font-family:var(--f-mono);
  font-size:.72rem;letter-spacing:.25em;text-transform:uppercase;color:var(--copper-light);
  padding:8px 14px;background:rgba(5,8,15,.7);border:1px solid var(--border);
}

/* ---------- Feature list ---------- */
.feat-list{list-style:none;margin-top:32px}
.feat-list li{display:flex;gap:16px;padding:20px 0;border-bottom:1px solid rgba(255,255,255,.06)}
.feat-list li:last-child{border-bottom:none}
.feat-list .n{font-family:var(--f-mono);color:var(--copper);font-size:.85rem;letter-spacing:.15em;min-width:34px}
.feat-list h4{color:#fff;margin-bottom:6px}
.feat-list p{font-size:.95rem;margin:0}

/* ---------- Process timeline ---------- */
.timeline{position:relative;padding-left:36px}
.timeline::before{content:"";position:absolute;left:8px;top:8px;bottom:8px;width:1px;background:linear-gradient(180deg,var(--copper),transparent)}
.tl-item{position:relative;padding:0 0 60px 30px}
.tl-item::before{
  content:"";position:absolute;left:-32px;top:6px;width:16px;height:16px;
  border-radius:50%;background:var(--navy-950);border:2px solid var(--copper);
  box-shadow:0 0 0 4px rgba(201,123,61,.15);
}
.tl-item .step{font-family:var(--f-mono);color:var(--copper);font-size:.75rem;letter-spacing:.25em;margin-bottom:10px}
.tl-item h3{margin-bottom:12px}
.tl-item p{max-width:60ch}

/* ---------- CTA banner ---------- */
.cta-banner{
  position:relative;padding:80px 60px;border-radius:2px;overflow:hidden;
  background:linear-gradient(135deg,var(--navy-800),var(--navy-700));
  border:1px solid var(--border-strong);
  text-align:center;
}
.cta-banner::before{
  content:"";position:absolute;inset:-2px;
  background:radial-gradient(600px 300px at 50% -20%, rgba(201,123,61,.25), transparent 70%);
  pointer-events:none;
}
.cta-banner > *{position:relative;z-index:1}
.cta-banner h2{margin-bottom:20px}
.cta-banner p{max-width:60ch;margin:0 auto 36px}
@media(max-width:700px){.cta-banner{padding:50px 30px}}

/* ---------- Footer ---------- */
.footer{background:var(--navy-950);padding:80px 0 40px;border-top:1px solid rgba(255,255,255,.06)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:48px;margin-bottom:60px}
@media(max-width:900px){.footer-grid{grid-template-columns:1fr 1fr;gap:32px}}
@media(max-width:560px){.footer-grid{grid-template-columns:1fr}}
.footer h4{font-family:var(--f-mono);font-size:.72rem;letter-spacing:.25em;text-transform:uppercase;color:var(--copper);margin-bottom:24px;font-weight:500}
.footer ul{list-style:none}
.footer li{margin-bottom:12px}
.footer li a{font-size:.92rem;color:var(--text-dim)}
.footer li a:hover{color:#fff}
.footer p{font-size:.9rem}
.footer-bottom{padding-top:32px;border-top:1px solid rgba(255,255,255,.06);display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px;font-size:.82rem;color:var(--text-dim)}
.footer-bottom a:hover{color:var(--copper-light)}

/* ---------- Page hero (inner pages) ---------- */
.page-hero{
  padding:180px 0 90px;position:relative;overflow:hidden;
  background:var(--grad-hero);
}
.page-hero .container{position:relative;z-index:2}
.page-hero h1{max-width:14ch;margin-bottom:24px}
.page-hero p{max-width:65ch;font-size:1.15rem;color:var(--steel-light)}
.crumbs{font-family:var(--f-mono);font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;color:var(--text-dim);margin-bottom:32px}
.crumbs a{color:var(--copper)}
.crumbs span{margin:0 10px;opacity:.5}

/* ---------- Prose (legal pages) ---------- */
.prose{max-width:780px;margin:0 auto}
.prose h2{font-size:1.8rem;margin:56px 0 20px}
.prose h3{font-size:1.25rem;margin:36px 0 14px;color:var(--copper-light)}
.prose p{margin-bottom:18px;color:var(--text)}
.prose ul,.prose ol{margin:16px 0 24px 24px;color:var(--text-dim)}
.prose li{margin-bottom:10px}
.prose strong{color:#fff}
.prose a{color:var(--copper-light);border-bottom:1px solid var(--border-strong)}
.prose .meta{font-family:var(--f-mono);font-size:.8rem;color:var(--copper);letter-spacing:.15em;text-transform:uppercase;margin-bottom:40px}

/* ---------- Contact form ---------- */
.form{display:grid;gap:20px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:20px}
@media(max-width:600px){.form-row{grid-template-columns:1fr}}
.field label{display:block;font-size:.78rem;letter-spacing:.15em;text-transform:uppercase;color:var(--copper);margin-bottom:10px;font-family:var(--f-mono)}
.field input,.field textarea,.field select{
  width:100%;padding:16px 18px;background:rgba(255,255,255,.03);
  border:1px solid rgba(255,255,255,.08);border-radius:2px;
  color:#fff;font-family:var(--f-sans);font-size:.98rem;transition:all .3s ease;
}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--copper);background:rgba(201,123,61,.04)}
.field textarea{resize:vertical;min-height:140px}
.form-note{font-size:.82rem;color:var(--text-dim);margin-top:8px}

/* ---------- Info cards ---------- */
.info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
@media(max-width:800px){.info-grid{grid-template-columns:1fr}}
.info-card{padding:32px;border:1px solid rgba(255,255,255,.06);background:rgba(255,255,255,.02)}
.info-card h4{color:var(--copper-light);font-family:var(--f-mono);font-size:.72rem;letter-spacing:.25em;text-transform:uppercase;margin-bottom:16px}
.info-card p{color:var(--text);font-size:1rem}
.info-card a{color:#fff;border-bottom:1px solid var(--border-strong)}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid rgba(255,255,255,.06)}
.faq-item{border-bottom:1px solid rgba(255,255,255,.06);padding:26px 0;cursor:pointer}
.faq-q{display:flex;justify-content:space-between;align-items:center;gap:20px;font-family:var(--f-display);font-size:1.25rem;color:#fff;line-height:1.35}
.faq-q .plus{flex-shrink:0;width:32px;height:32px;border:1px solid var(--border-strong);border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--copper);transition:transform .3s ease;font-size:1.2rem}
.faq-item.open .faq-q .plus{transform:rotate(45deg);background:var(--copper);color:var(--navy-900)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .5s ease,padding .3s ease;color:var(--text-dim)}
.faq-item.open .faq-a{max-height:400px;padding-top:16px}

/* ---------- Industries ---------- */
.industry-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2px;background:rgba(255,255,255,.06)}
@media(max-width:900px){.industry-grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.industry-grid{grid-template-columns:1fr}}
.industry{padding:44px 32px;background:var(--navy-900);transition:all .35s ease;position:relative}
.industry:hover{background:var(--navy-800)}
.industry .num{font-family:var(--f-mono);color:var(--copper);font-size:.72rem;letter-spacing:.2em;margin-bottom:22px}
.industry h3{margin-bottom:14px;font-size:1.4rem}
.industry p{font-size:.94rem}

/* ---------- Reveal animation ---------- */
[data-reveal]{opacity:0;transform:translateY(28px);transition:opacity .9s ease,transform .9s cubic-bezier(.2,.8,.2,1)}
[data-reveal].on{opacity:1;transform:none}
[data-reveal-delay="1"]{transition-delay:.08s}
[data-reveal-delay="2"]{transition-delay:.16s}
[data-reveal-delay="3"]{transition-delay:.24s}
[data-reveal-delay="4"]{transition-delay:.32s}

/* ---------- Marquee ---------- */
.marquee{overflow:hidden;padding:28px 0;border-block:1px solid rgba(255,255,255,.06);background:var(--navy-900)}
.marquee-track{display:flex;gap:60px;animation:scroll 40s linear infinite;white-space:nowrap}
.marquee-track span{font-family:var(--f-display);font-size:clamp(1.4rem,2.4vw,2.2rem);color:var(--text-dim);opacity:.6}
.marquee-track span::after{content:"◆";margin-left:60px;color:var(--copper);opacity:.6}
@keyframes scroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ---------- Utility ---------- */
.text-center{text-align:center}
.mt-40{margin-top:40px}
.mt-60{margin-top:60px}
.hide-mobile{display:initial}
@media(max-width:700px){.hide-mobile{display:none}}