/* ============ Clara9 — Design System ============ */
:root{
  --c-ink:#1f2a33;
  --c-ink-2:#414243;
  --c-slate:#416074;
  --c-blue:#417ea5;
  --c-blue-bright:#429cd7;
  --c-blue-glow:#6cb6e6;
  --c-bg:#ffffff;
  --c-bg-soft:#f5f8fb;
  --c-bg-dark:#0c1620;
  --c-bg-darker:#070d14;
  --c-line:#e5edf3;
  --c-text:#1f2a33;
  --c-muted:#6b7886;
  --c-muted-dark:#9aaab8;

  --grad-blue:linear-gradient(135deg,#417ea5 0%,#429cd7 60%,#6cb6e6 100%);
  --grad-dark:linear-gradient(180deg,#0c1620 0%,#0a121b 100%);
  --grad-text:linear-gradient(90deg,#417ea5,#429cd7 60%,#6cb6e6);

  --shadow-card:0 10px 40px -12px rgba(15,40,60,.18);
  --shadow-pop:0 30px 80px -20px rgba(66,156,215,.45);

  --r-sm:8px; --r:14px; --r-lg:22px; --r-xl:28px;
  --container:1200px;

  --f-display:"Space Grotesk", system-ui, sans-serif;
  --f-body:"Inter", system-ui, sans-serif;

  --t:cubic-bezier(.2,.8,.2,1);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
html,body{margin:0;padding:0}
body{
  font-family:var(--f-body);
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  line-height:1.55;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}

h1,h2,h3,h4,h5{font-family:var(--f-display);font-weight:600;letter-spacing:-.02em;color:var(--c-ink);margin:0 0 .4em}
h1{font-size:clamp(2.4rem,5.5vw,4.6rem);line-height:1.05;font-weight:700;letter-spacing:-.035em}
h2{font-size:clamp(1.8rem,3.4vw,2.8rem);line-height:1.1}
h2 em{font-style:normal;background:var(--grad-text);-webkit-background-clip:text;background-clip:text;color:transparent}
h3{font-size:1.35rem}
h4{font-size:1.1rem}
p{margin:0 0 1em;color:var(--c-muted)}

.grad{background:var(--grad-text);-webkit-background-clip:text;background-clip:text;color:transparent}
.eyebrow{display:inline-block;font-size:.78rem;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--c-blue);margin-bottom:14px}
.eyebrow-accent{color:var(--c-blue-bright)}
.eyebrow-light{color:#9ad0f0}

/* ============ NAV ============ */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:50;
  backdrop-filter:saturate(140%) blur(14px);
  -webkit-backdrop-filter:saturate(140%) blur(14px);
  background:rgba(255,255,255,.78);
  border-bottom:1px solid transparent;
  transition:all .35s var(--t);
}
.nav.scrolled{background:rgba(255,255,255,.92);border-bottom-color:var(--c-line);box-shadow:0 4px 30px -18px rgba(15,40,60,.2)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:74px;gap:24px}
.brand img{height:34px;width:auto}
.nav-links{display:flex;gap:30px}
.nav-links a{font-weight:500;font-size:.95rem;color:var(--c-ink);position:relative}
.nav-links a::after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:2px;background:var(--grad-blue);border-radius:2px;transform:scaleX(0);transform-origin:left;transition:transform .35s var(--t)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-cta{padding:11px 22px;font-size:.9rem}
.nav-toggle{display:none;background:none;border:0;width:32px;height:32px;cursor:pointer;flex-direction:column;justify-content:center;gap:5px}
.nav-toggle span{display:block;height:2px;background:var(--c-ink);transition:.3s var(--t)}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:999px;font-weight:600;font-size:.95rem;
  font-family:var(--f-body);cursor:pointer;border:0;
  transition:transform .3s var(--t),box-shadow .3s var(--t),background .3s var(--t);
  white-space:nowrap;
}
.btn-primary{background:var(--grad-blue);color:#fff;box-shadow:0 10px 30px -10px rgba(66,156,215,.55)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-pop)}
.btn-ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.4)}
.btn-ghost:hover{background:rgba(255,255,255,.1);border-color:#fff}
.btn-block{width:100%}
.btn-lg{padding:18px 34px;font-size:1rem}

/* ============ HERO ============ */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;color:#fff;overflow:hidden;padding-top:74px}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;transform:scale(1.05);animation:zoomSlow 20s ease-in-out infinite alternate}
@keyframes zoomSlow{to{transform:scale(1.15)}}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,13,20,.55) 0%,rgba(7,13,20,.85) 100%)}
.hero-inner{position:relative;z-index:2;padding:80px 24px}
.hero .eyebrow{color:#9ad0f0}
.hero h1{color:#fff}
.hero-sub{font-size:clamp(1rem,1.4vw,1.2rem);max-width:680px;color:#cdd9e4;margin-top:18px}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap;margin-top:36px}
.hero-stats{display:flex;gap:48px;margin-top:60px;flex-wrap:wrap}
.hero-stats div{display:flex;flex-direction:column}
.hero-stats strong{font-family:var(--f-display);font-size:2.6rem;font-weight:700;background:var(--grad-text);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1}
.hero-stats span{color:#9aaab8;font-size:.9rem;margin-top:4px}
.scroll-cue{position:absolute;bottom:30px;left:50%;transform:translateX(-50%);width:24px;height:40px;border:2px solid rgba(255,255,255,.3);border-radius:14px;display:flex;justify-content:center;padding-top:8px}
.scroll-cue span{width:3px;height:8px;background:#fff;border-radius:2px;animation:scrollDot 1.6s ease-in-out infinite}
@keyframes scrollDot{0%{opacity:0;transform:translateY(-4px)}50%{opacity:1}100%{opacity:0;transform:translateY(10px)}}

/* ============ SECTIONS ============ */
.section{padding:120px 0;position:relative}
.section-dark{background:var(--grad-dark);color:#e3ecf3}
.section-dark h2,.section-dark h3,.section-dark h4{color:#fff}
.section-dark p{color:#9aaab8}
.section-dark .eyebrow{color:#9ad0f0}
.section-head{max-width:760px;margin:0 auto 70px;text-align:center}

/* GRIDS */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}

/* CARDS */
.card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);padding:40px 34px;
  transition:transform .4s var(--t),box-shadow .4s var(--t),border-color .4s var(--t);
  position:relative;overflow:hidden;
}
.card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad-blue);transform:scaleX(0);transform-origin:left;transition:transform .5s var(--t)}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-card);border-color:transparent}
.card:hover::before{transform:scaleX(1)}
.card-num{font-family:var(--f-display);font-size:3rem;font-weight:700;background:var(--grad-text);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1;margin-bottom:18px}
.card-tag{font-size:.88rem;color:var(--c-blue);font-weight:500;margin-top:14px}

/* SERVICES */
.service{
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);
  border-radius:var(--r-lg);padding:36px 30px;
  transition:transform .4s var(--t),background .4s var(--t),border-color .4s var(--t);
}
.service:hover{transform:translateY(-6px);background:rgba(66,156,215,.08);border-color:rgba(66,156,215,.4)}
.service-ico{width:54px;height:54px;border-radius:14px;background:var(--grad-blue);display:flex;align-items:center;justify-content:center;color:#fff;margin-bottom:22px}
.service-ico svg{width:26px;height:26px}
.service h3{color:#fff;margin-bottom:10px}
.service p{color:#9aaab8;margin:0}

/* OFERTAS */
.ofertas-section{background:linear-gradient(180deg,#f5f8fb 0%,#fff 100%)}
.oferta{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-xl);
  padding:38px 32px;display:flex;flex-direction:column;
  transition:transform .4s var(--t),box-shadow .4s var(--t);
  position:relative;
}
.oferta:hover{transform:translateY(-8px);box-shadow:var(--shadow-card)}
.oferta.featured{
  background:linear-gradient(180deg,#0c1620 0%,#142435 100%);color:#fff;
  border-color:transparent;box-shadow:var(--shadow-pop);transform:translateY(-12px);
}
.oferta.featured h3{color:#fff}
.oferta.featured p{color:#9aaab8}
.oferta.featured .oferta-tag{background:var(--grad-blue);color:#fff}
.oferta-tag{
  align-self:flex-start;font-size:.72rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  background:#eaf4fc;color:var(--c-blue);padding:6px 12px;border-radius:999px;margin-bottom:22px;
}
.oferta h3{font-size:1.5rem;margin-bottom:12px}
.oferta p{flex:1}
.oferta-price{display:flex;align-items:baseline;gap:6px;margin:18px 0 22px}
.oferta-price .from{font-size:.85rem;color:var(--c-muted)}
.oferta.featured .oferta-price .from{color:#9aaab8}
.oferta-price strong{font-family:var(--f-display);font-size:2.6rem;font-weight:700;background:var(--grad-text);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1}
.oferta-price .per{font-size:.95rem;color:var(--c-muted)}

/* CASES */
.case{display:grid;grid-template-columns:1.05fr 1fr;gap:60px;align-items:center;margin-bottom:90px}
.case:last-child{margin-bottom:0}
.case-rev{grid-template-columns:1fr 1.05fr}
.case-rev .case-img{order:2}
.case-img{border-radius:var(--r-xl);overflow:hidden;box-shadow:0 30px 80px -30px rgba(0,0,0,.6)}
.case-img img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--t)}
.case-img:hover img{transform:scale(1.05)}
.case-text h3{font-size:1.8rem}
.ticks{list-style:none;padding:0;margin:18px 0 0}
.ticks li{position:relative;padding-left:30px;margin-bottom:10px;color:#9aaab8}
.ticks li::before{
  content:"";position:absolute;left:0;top:8px;width:18px;height:18px;border-radius:50%;
  background:var(--grad-blue);
  -webkit-mask:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path fill='black' d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z'/></svg>") center/14px no-repeat;
          mask:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path fill='black' d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z'/></svg>") center/14px no-repeat;
}

/* CLIENTS */
.clients-section{padding:100px 0;background:#0c1620;color:#fff}
.marquee{overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent);mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent);margin-top:30px}
.marquee-track{display:flex;gap:60px;animation:marquee 30s linear infinite;width:max-content}
@keyframes marquee{to{transform:translateX(-50%)}}
.client{
  display:flex;flex-direction:column;justify-content:center;align-items:flex-start;
  min-width:300px;padding:30px 36px;border:1px solid rgba(255,255,255,.08);border-radius:var(--r);
  font-family:var(--f-display);font-weight:700;font-size:1.4rem;letter-spacing:.05em;
  color:rgba(255,255,255,.55);background:rgba(255,255,255,.02);
  transition:color .35s,background .35s,border-color .35s;
}
.client small{display:block;font-family:var(--f-body);font-weight:400;font-size:.78rem;letter-spacing:.05em;color:rgba(255,255,255,.4);margin-top:6px;text-transform:none}
.client:hover{color:#fff;background:rgba(66,156,215,.1);border-color:rgba(66,156,215,.4)}

/* VALUES */
.value{padding:32px 28px;border-left:3px solid var(--c-blue-bright);background:#f5f8fb;border-radius:0 var(--r) var(--r) 0;transition:transform .35s var(--t),box-shadow .35s var(--t)}
.value:hover{transform:translateY(-4px);box-shadow:var(--shadow-card)}
.value h4{margin-bottom:8px}
.value p{margin:0;font-size:.95rem}

/* CTA BANNER */
.cta-banner{
  background:var(--grad-blue);color:#fff;padding:90px 0;position:relative;overflow:hidden;
}
.cta-banner::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 80% 50%,rgba(255,255,255,.15),transparent 60%)}
.cta-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap}
.cta-inner h2{color:#fff;margin:8px 0 6px}
.cta-inner p{color:rgba(255,255,255,.85);margin:0}
.cta-inner .btn-primary{background:#fff;color:var(--c-blue)}
.cta-inner .btn-primary:hover{background:#0c1620;color:#fff;box-shadow:0 18px 50px -12px rgba(0,0,0,.4)}

/* CONTACT */
.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.contact-card{
  display:flex;align-items:center;gap:18px;
  padding:28px;border-radius:var(--r-lg);
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);
  transition:transform .35s var(--t),background .35s var(--t),border-color .35s var(--t);
}
.contact-card:hover{transform:translateY(-4px);background:rgba(66,156,215,.08);border-color:rgba(66,156,215,.4)}
.contact-ico{width:44px;height:44px;flex-shrink:0;color:var(--c-blue-bright)}
.contact-card strong{display:block;color:#fff;font-family:var(--f-display);font-size:1rem;margin-bottom:2px}
.contact-card span{color:#9aaab8;font-size:.92rem}

/* FOOTER */
.footer{background:#070d14;color:#9aaab8;padding:80px 0 30px}
.footer a{color:#9aaab8;display:block;margin-bottom:8px;transition:color .25s}
.footer a:hover{color:#fff}
.footer-inner{display:grid;grid-template-columns:2fr 1fr 1.4fr;gap:50px;padding-bottom:50px;border-bottom:1px solid rgba(255,255,255,.06)}
.footer-logo{height:36px;margin-bottom:18px;filter:brightness(0) invert(1) opacity(.9)}
.footer h5{color:#fff;font-size:.85rem;font-family:var(--f-body);font-weight:600;letter-spacing:.16em;text-transform:uppercase;margin-bottom:18px}
.footer-bottom{padding-top:30px;font-size:.85rem;text-align:center;color:#5d6e7c}

/* WHATSAPP FLOAT */
.wa-float{
  position:fixed;bottom:24px;right:24px;z-index:60;
  width:60px;height:60px;border-radius:50%;
  background:#25d366;color:#fff;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 14px 40px -8px rgba(37,211,102,.55);
  transition:transform .35s var(--t),box-shadow .35s var(--t);
  animation:waPulse 2.5s ease-out infinite;
}
.wa-float svg{width:32px;height:32px}
.wa-float:hover{transform:scale(1.08);box-shadow:0 20px 50px -10px rgba(37,211,102,.7)}
@keyframes waPulse{
  0%{box-shadow:0 14px 40px -8px rgba(37,211,102,.55),0 0 0 0 rgba(37,211,102,.5)}
  70%{box-shadow:0 14px 40px -8px rgba(37,211,102,.55),0 0 0 18px rgba(37,211,102,0)}
  100%{box-shadow:0 14px 40px -8px rgba(37,211,102,.55),0 0 0 0 rgba(37,211,102,0)}
}

/* REVEAL ON SCROLL */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .8s var(--t),transform .8s var(--t)}
.reveal.in{opacity:1;transform:none}

/* RESPONSIVE */
@media (max-width:980px){
  .nav-links,.nav-cta{display:none}
  .nav-toggle{display:flex}
  .nav-links.open{
    display:flex;flex-direction:column;position:absolute;top:74px;left:0;right:0;
    background:#fff;padding:24px;gap:18px;border-bottom:1px solid var(--c-line);
    box-shadow:0 20px 40px -20px rgba(0,0,0,.15);
  }
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}
  .case,.case-rev{grid-template-columns:1fr;gap:30px}
  .case-rev .case-img{order:0}
  .footer-inner{grid-template-columns:1fr;gap:36px}
  .hero-stats{gap:30px}
  .hero-stats strong{font-size:2rem}
  .section{padding:80px 0}
}
@media (max-width:620px){
  .grid-2,.grid-3,.grid-4,.contact-grid{grid-template-columns:1fr}
  .oferta.featured{transform:none}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .hero-ctas{flex-direction:column;align-items:stretch}
  .btn{width:100%}
}