/* ============ VINOVA Laser ============ */
:root{
  --bg:#080c14;
  --bg2:#0d1320;
  --panel:#101827;
  --line:rgba(212,166,86,.18);
  --gold:#d4a656;
  --gold-2:#e8c98a;
  --txt:#e9edf4;
  --muted:#9aa5b5;
  --font-d:'Marcellus',serif;
  --font-b:'Inter',system-ui,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--txt);font-family:var(--font-b);font-weight:300;line-height:1.7;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--font-d);font-weight:400;line-height:1.15}
h2{font-size:clamp(1.9rem,3.6vw,2.9rem);margin-bottom:1.2rem}
h3{font-size:clamp(1.4rem,2.4vw,1.9rem);margin-bottom:1rem}
h4{font-size:1.2rem;margin-bottom:.6rem;color:var(--gold-2)}
p{color:var(--muted);margin-bottom:1rem}
.center{text-align:center}
.text-gold{color:var(--gold)}
.container{max-width:1180px;margin:0 auto;padding:0 24px}
.container--narrow{max-width:820px}
.section{padding:110px 0}
.section--dark{background:var(--bg2)}
.kicker{font-size:.78rem;letter-spacing:.28em;text-transform:uppercase;color:var(--gold);margin-bottom:1rem;font-weight:500}
.kicker.center{text-align:center}

/* Reveal animation */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .8s ease,transform .8s ease}
.reveal.on{opacity:1;transform:none}

/* ============ Buttons ============ */
.btn{display:inline-block;padding:14px 30px;border-radius:2px;font-size:.85rem;letter-spacing:.14em;text-transform:uppercase;font-weight:500;transition:.3s;border:1px solid transparent;cursor:pointer}
.btn--gold{background:linear-gradient(135deg,var(--gold),#b98a3e);color:#0a0e15}
.btn--gold:hover{filter:brightness(1.12);transform:translateY(-2px);box-shadow:0 12px 30px rgba(212,166,86,.25)}
.btn--ghost{border-color:rgba(233,237,244,.3);color:var(--txt)}
.btn--ghost:hover{border-color:var(--gold);color:var(--gold-2)}
.btn--sm{padding:10px 20px;font-size:.75rem}
.btn--lg{padding:17px 40px}

/* ============ Nav ============ */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;transition:.35s;padding:18px 0}
.nav.scrolled{background:rgba(8,12,20,.88);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);padding:10px 0}
.nav__inner{max-width:1280px;margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.nav__logo{display:flex;align-items:center;gap:22px;flex-shrink:0}
.logo-img{height:74px;max-height:74px;width:auto;max-width:140px;object-fit:contain;display:block}
.nav.scrolled .logo-img{height:58px;max-height:58px}
.logo-img--footer{height:90px;max-height:90px;max-width:170px}
.logo-sep{width:1px;height:28px;background:rgba(233,237,244,.25);flex-shrink:0}
.logo-laser{font-family:var(--font-b);font-weight:600;font-size:.8rem;letter-spacing:.3em;color:var(--gold);white-space:nowrap}
.nav__links{display:flex;gap:26px;flex-wrap:nowrap}
.nav__links a{font-size:.8rem;letter-spacing:.07em;color:var(--muted);transition:.25s;text-transform:uppercase;white-space:nowrap}
.nav__links a:hover{color:var(--gold-2)}
.nav__actions{display:flex;align-items:center;gap:16px}
.lang-toggle{background:none;border:1px solid rgba(233,237,244,.22);color:var(--muted);border-radius:2px;padding:7px 12px;cursor:pointer;font-size:.78rem;letter-spacing:.08em;font-family:var(--font-b)}
.lang-toggle span.active{color:var(--gold);font-weight:600}
.lang-toggle i{margin:0 4px;font-style:normal;opacity:.4}
.nav__burger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:6px}
.nav__burger span{width:24px;height:1.6px;background:var(--txt);transition:.3s}

/* ============ Hero ============ */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;overflow:hidden}
.hero__bg{position:absolute;inset:0;background:url('../img/hero-bg.jpg') center/cover no-repeat;opacity:.5}
.hero__bg::after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,rgba(8,12,20,.94) 0%,rgba(8,12,20,.72) 45%,rgba(8,12,20,.35) 100%),linear-gradient(0deg,var(--bg) 0%,transparent 30%)}
#heroCanvas{position:absolute;inset:0;z-index:2;pointer-events:none}
.hero__content{position:relative;z-index:3;max-width:1180px;margin:0 auto;padding:140px 24px 80px;width:100%}
.hero__kicker{font-size:.8rem;letter-spacing:.3em;text-transform:uppercase;color:var(--gold);margin-bottom:1.4rem}
.hero__title{font-size:clamp(2.6rem,6vw,4.6rem);margin-bottom:1.4rem}
.hero__sub{max-width:560px;font-size:1.06rem;margin-bottom:2.2rem}
.hero__ctas{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:3.5rem}
.hero__ctas.center{justify-content:center}
.hero__stats{display:flex;gap:48px;flex-wrap:wrap}
.stat strong{display:block;font-family:var(--font-d);font-size:2.1rem;color:var(--gold-2)}
.stat span{font-size:.82rem;color:var(--muted);letter-spacing:.05em}
.hero__scroll{position:absolute;bottom:28px;left:50%;transform:translateX(-50%);z-index:3}
.hero__scroll span{display:block;width:1px;height:56px;background:linear-gradient(var(--gold),transparent);animation:drop 2s infinite}
@keyframes drop{0%{transform:scaleY(0);transform-origin:top}45%{transform:scaleY(1);transform-origin:top}55%{transform:scaleY(1);transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}

/* ============ Layout helpers ============ */
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start}
.grid-2--center{align-items:center}
.media{border-radius:4px;overflow:hidden;border:1px solid var(--line);box-shadow:0 30px 60px rgba(0,0,0,.45)}
.media img{width:100%;height:100%;object-fit:cover;transition:transform .8s}
.media:hover img{transform:scale(1.03)}
.media--product{background:radial-gradient(ellipse at center,#1a2334 0%,#0d1320 75%);padding:34px}
.media--product img{object-fit:contain;max-height:520px;margin:auto}
.checks{list-style:none;margin:1.4rem 0 1.8rem}
.checks li{padding-left:30px;position:relative;margin-bottom:.7rem;color:var(--txt);font-size:.95rem}
.checks li::before{content:'';position:absolute;left:0;top:9px;width:14px;height:7px;border-left:1.6px solid var(--gold);border-bottom:1.6px solid var(--gold);transform:rotate(-45deg)}

/* ============ Doctor ============ */
.doctor{padding-top:40px}
.doctor__photo{position:relative;display:flex;justify-content:center;align-items:flex-end}
.doctor__glow{position:absolute;inset:auto 0 0 0;height:82%;border-radius:6px;background:radial-gradient(ellipse at 50% 100%,rgba(212,166,86,.16),transparent 70%),linear-gradient(180deg,rgba(212,166,86,.05),rgba(16,24,39,.9));border:1px solid var(--line)}
.doctor__photo img{position:relative;z-index:2;max-height:520px;width:auto;filter:drop-shadow(0 24px 44px rgba(0,0,0,.55))}
.doctor .kicker{margin-bottom:.6rem}
.doctor h2{margin-bottom:1rem}
.doctor p strong{color:var(--gold-2);font-weight:500}

/* ============ Products overview ============ */
.products__grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;margin-top:3rem}
.product-card{background:var(--panel);border:1px solid var(--line);border-radius:4px;overflow:hidden;transition:.4s;display:flex;flex-direction:column}
.product-card:hover{transform:translateY(-6px);border-color:rgba(212,166,86,.5);box-shadow:0 24px 60px rgba(0,0,0,.5)}
.product-card__img{background:radial-gradient(ellipse at center,#1c2637 0%,#0e1523 78%);padding:36px;height:320px;display:flex;align-items:center;justify-content:center}
.product-card__img img{max-height:100%;object-fit:contain}
.product-card__body{padding:32px 34px 38px}
.product-card__body h3{color:var(--txt)}
.product-card__tag{color:var(--gold-2);font-size:.92rem;margin-bottom:1rem}
.product-card__body ul{list-style:none;margin-bottom:1.4rem}
.product-card__body li{color:var(--muted);font-size:.9rem;padding:5px 0;border-bottom:1px solid rgba(233,237,244,.06)}
.link-more{color:var(--gold);font-size:.85rem;letter-spacing:.12em;text-transform:uppercase}

/* ============ Product detail ============ */
.spec-pills{display:flex;flex-wrap:wrap;gap:10px;margin:1.4rem 0}
.spec-pills span{border:1px solid var(--line);color:var(--gold-2);padding:7px 16px;border-radius:30px;font-size:.8rem;letter-spacing:.06em}
.feature-blocks{display:grid;grid-template-columns:repeat(3,1fr);gap:34px;margin-top:5rem}
.feature{background:var(--panel);border:1px solid rgba(233,237,244,.07);border-top:2px solid var(--gold);padding:32px 30px;border-radius:3px}
.feature p{font-size:.92rem;margin:0}
.apps{margin-top:5rem}
.apps__grid{display:flex;flex-wrap:wrap;gap:12px;margin-top:1.4rem}
.apps__grid span{background:rgba(212,166,86,.08);border:1px solid var(--line);padding:10px 20px;border-radius:2px;font-size:.88rem;color:var(--txt)}
.apps__grid em{color:var(--muted);font-style:normal;font-size:.8rem}

/* ============ Tables ============ */
.table-wrap{margin-top:5rem;overflow-x:auto}
.cmp-table{width:100%;border-collapse:collapse;background:var(--panel);border:1px solid var(--line);font-size:.9rem;min-width:640px}
.cmp-table th{font-family:var(--font-d);font-weight:400;font-size:1.02rem;color:var(--gold-2);padding:18px 20px;text-align:left;border-bottom:1px solid var(--line);background:rgba(212,166,86,.05)}
.cmp-table td{padding:15px 20px;border-bottom:1px solid rgba(233,237,244,.06);color:var(--muted);vertical-align:top}
.cmp-table td:first-child{color:var(--txt);font-weight:500}
.cmp-table tr:last-child td{border-bottom:none}
.table-note{font-size:.8rem;margin-top:.8rem;color:var(--muted)}
.cmp-table--vs td:nth-child(2){color:var(--gold-2)}

/* ============ Tech ============ */
.tech{position:relative;overflow:hidden}
.tech__bg{position:absolute;inset:0;background:url('../img/tech-abstract.jpg') center/cover no-repeat;opacity:.22}
.tech__bg::after{content:'';position:absolute;inset:0;background:linear-gradient(0deg,var(--bg) 0%,rgba(8,12,20,.55) 50%,var(--bg) 100%)}
.tech .container{position:relative;z-index:2}
.tech__grid{display:grid;grid-template-columns:repeat(2,1fr);gap:30px;margin-top:3rem}
.tech-card{background:rgba(13,19,32,.82);backdrop-filter:blur(8px);border:1px solid var(--line);padding:36px 34px;border-radius:3px}
.tech-card h4{font-size:1.35rem}
.tech-card p{font-size:.93rem;margin:0}

/* ============ Why ============ */
.why__grid{display:grid;grid-template-columns:repeat(2,1fr);gap:30px;margin-top:3rem}
.why-card{border:1px solid rgba(233,237,244,.08);padding:38px 34px;border-radius:3px;position:relative;background:linear-gradient(160deg,rgba(212,166,86,.05),transparent 55%)}
.why-num{font-family:var(--font-d);color:var(--gold);opacity:.55;font-size:1rem;letter-spacing:.2em}
.why-card h4{margin-top:.8rem;color:var(--txt);font-size:1.3rem}
.why-card p{font-size:.93rem;margin:0}

/* ============ FAQ ============ */
.faq__list{margin-top:2.5rem}
.faq__list details{border-bottom:1px solid rgba(233,237,244,.1)}
.faq__list summary{cursor:pointer;padding:22px 40px 22px 0;font-size:1.02rem;font-weight:400;color:var(--txt);list-style:none;position:relative;font-family:var(--font-d)}
.faq__list summary::-webkit-details-marker{display:none}
.faq__list summary::after{content:'+';position:absolute;right:4px;top:50%;transform:translateY(-50%);color:var(--gold);font-size:1.5rem;font-weight:300;transition:.3s}
.faq__list details[open] summary::after{transform:translateY(-50%) rotate(45deg)}
.faq__list details p{padding:0 0 22px;font-size:.94rem}

/* ============ CTA final ============ */
.cta-final{position:relative;background:radial-gradient(ellipse at 50% 120%,rgba(212,166,86,.14),transparent 65%),var(--bg2);overflow:hidden;padding:130px 0}
#ctaCanvas{position:absolute;inset:0;pointer-events:none}
.cta-final .container{position:relative;z-index:2}
.cta-final h2{max-width:700px;margin:0 auto 1rem}
.cta-final p{max-width:520px;margin:0 auto 2.4rem}

/* ============ Footer ============ */
.footer{border-top:1px solid var(--line);padding:70px 0 30px;background:#060910}
.footer__grid{display:grid;grid-template-columns:1.4fr 1fr 1.2fr 1fr;gap:44px}
.footer h5{font-family:var(--font-d);font-weight:400;color:var(--gold-2);letter-spacing:.14em;text-transform:uppercase;font-size:.82rem;margin-bottom:1.1rem}
.footer a{display:block;color:var(--muted);font-size:.88rem;padding:4px 0;transition:.25s}
.footer a:hover{color:var(--gold-2)}
.footer p{font-size:.88rem}
.nav__logo--footer{margin-bottom:1rem}
.footer__legal{margin-top:54px;padding-top:24px;border-top:1px solid rgba(233,237,244,.07)}
.footer__legal p{font-size:.75rem;color:#6b7688;margin:0}

/* ============ WhatsApp float ============ */
.wa-float{position:fixed;bottom:26px;right:26px;z-index:90;width:58px;height:58px;border-radius:50%;background:#25d366;color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 10px 30px rgba(37,211,102,.4);transition:.3s}
.wa-float:hover{transform:scale(1.08)}

/* ============ Responsive ============ */
@media(max-width:1240px){
  .nav__links{gap:16px}
  .nav__links a{font-size:.74rem}
  .logo-laser{display:none}
  .logo-sep{display:none}
}
@media(max-width:960px){
  .logo-img{height:52px;max-height:52px}
  .nav.scrolled .logo-img{height:46px;max-height:46px}
  /* backdrop-filter en el nav rompe position:fixed de hijos en Safari */
  .nav.scrolled{-webkit-backdrop-filter:none;backdrop-filter:none;background:rgba(8,12,20,.97)}
  .grid-2,.products__grid,.tech__grid,.why__grid{grid-template-columns:1fr}
  .feature-blocks{grid-template-columns:1fr}
  .footer__grid{grid-template-columns:1fr 1fr}
  .nav__links{position:fixed;top:0;left:0;right:0;bottom:0;width:100%;height:100vh;background:rgba(8,12,20,.97);flex-direction:column;align-items:center;justify-content:center;gap:34px;transform:translateX(100%);visibility:hidden;pointer-events:none;transition:transform .4s ease,visibility .4s;z-index:99}
  .nav__links.open{transform:none;visibility:visible;pointer-events:auto}
  .nav__links a{font-size:1.1rem}
  .nav__burger{display:flex;position:relative;z-index:100}
  #navCta{display:none}
  .section{padding:80px 0}
  .hero__stats{gap:28px}
}
@media(max-width:520px){
  .footer__grid{grid-template-columns:1fr}
  .hero__content{padding-top:120px}
  .btn--lg{padding:15px 26px}
}
@media (prefers-reduced-motion: reduce){
  .reveal{transition:none;opacity:1;transform:none}
  #heroCanvas,#ctaCanvas{display:none}
}