/* ── RESET ── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{overflow-x:hidden;font-family:"Plus Jakarta Sans",sans-serif;font-weight:300;color:#161e16;background:#f3f0ea}
img{max-width:100%;display:block}
button{font-family:inherit;cursor:pointer}
::selection{background:rgba(42,92,42,0.2)}
::-webkit-scrollbar{width:4px}
::-webkit-scrollbar-thumb{background:#2a5c2a;border-radius:2px}

/* ── TOKENS ── */
:root{
  --primary:#2a5c2a;
  --text:#161e16;
  --muted:#5a745a;
  --border:rgba(42,92,42,0.14);
  --cream:#f3f0ea;
  --white:#ffffff;
  --dark:#1a3318;
  --soft:#eaf2e0;
  --lime:#a8d878;
  --lime-bright:#8dc53c;
}

/* ── PAGE PROGRESS ── */
#pp{position:fixed;top:0;left:0;height:3px;background:var(--primary);z-index:500;width:0%;transition:width .1s linear;pointer-events:none}

/* ── NAV ── */
nav{
  position:absolute;top:14px;left:50%;transform:translateX(-50%);z-index:400;height:62px;
  width:calc(100% - 48px);max-width:1100px;
  padding:0 1.75rem;display:flex;align-items:center;justify-content:space-between;
  background:rgba(255,255,255,0.18);-webkit-backdrop-filter:blur(22px);backdrop-filter:blur(22px);
  border:1px solid rgba(255,255,255,0.30);border-radius:50px;
  box-shadow:0 4px 24px rgba(0,0,0,.15);
}
.nav-logo{display:flex;align-items:center;gap:10px}
.nav-logo img{height:46px;filter:drop-shadow(0 1px 4px rgba(0,0,0,.25))}
.nav-right{display:flex;align-items:center;gap:1.6rem}
.nav-links{display:flex;gap:1.6rem;align-items:center;position:absolute;left:50%;top:50%;transform:translate(-50%,-50%)}
.nav-links button{
  background:none;border:none;font-size:.78rem;font-weight:600;
  color:#fff;letter-spacing:.08em;text-transform:uppercase;
  padding:0;transition:color .2s;text-shadow:0 1px 3px rgba(0,0,0,.4);
}
.nav-links button:hover{color:var(--lime)}
.lang-toggle{display:flex;gap:0;border:1px solid rgba(255,255,255,.35);border-radius:20px;padding:2px}
.lang-toggle button{
  background:none;border:none;font-size:.65rem;font-weight:700;
  color:rgba(255,255,255,.75);padding:2px 7px;border-radius:16px;transition:all .2s;
  display:flex;align-items:center;gap:3px;
}
.lang-toggle button+button{border-left:1px solid rgba(255,255,255,.25);border-radius:0 16px 16px 0}
.lang-toggle button:first-child{border-radius:16px 0 0 16px}
.lang-toggle button.active{background:rgba(255,255,255,.25);color:#fff}
.lang-toggle button img{width:16px;height:12px;border-radius:2px;display:block;flex-shrink:0}
.hamburger{display:none;flex-direction:column;gap:5px;padding:6px;background:none;border:none}
.ham-line{width:22px;height:1.5px;background:#fff;border-radius:1px;transition:all .3s}
.hamburger.open .ham-line:nth-child(1){transform:rotate(45deg) translate(4px,4px)}
.hamburger.open .ham-line:nth-child(2){opacity:0}
.hamburger.open .ham-line:nth-child(3){transform:rotate(-45deg) translate(4px,-4px)}

/* ── MOBILE DRAWER (dentro del nav) ── */
.nav-drawer{
  display:none;
}
.nav-drawer.open{
  max-height:400px;opacity:1;
  padding:.7rem 0 .35rem;
  border-top:1px solid rgba(255,255,255,.15);
  pointer-events:all;
}
.nav-drawer button{
  background:none;border:none;font-size:.82rem;font-weight:600;
  color:#fff;letter-spacing:.12em;text-transform:uppercase;
  font-family:"Plus Jakarta Sans",sans-serif;padding:.15rem 0;
}
.nav-drawer .lang-toggle{margin-top:.25rem}

/* ── HERO ── */
#hero{
  height:100vh;height:100dvh;min-height:100vh;position:relative;overflow:hidden;
  display:flex;align-items:center;justify-content:center;padding:120px 5% 80px;
  background:#1a3318;
}
#hero video{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;object-fit:cover;z-index:0}
.hero-overlay{position:absolute;top:0;right:0;bottom:0;left:0;z-index:1;background:linear-gradient(180deg,rgba(8,22,8,.45) 0%,rgba(8,22,8,.62) 100%)}
#hero-canvas{position:absolute;top:0;right:0;bottom:0;left:0;z-index:2;pointer-events:none}
.hero-content{position:relative;z-index:3;max-width:900px;width:100%;text-align:center;margin:0 auto}
.hero-eyebrow{
  font-size:.72rem;font-weight:600;letter-spacing:.18em;text-transform:uppercase;
  color:var(--lime-bright);margin-bottom:1.4rem;
  display:flex;align-items:center;justify-content:center;gap:.8rem;
  opacity:0;animation:fadeUp .8s .1s ease forwards;
}
.hero-eyebrow::before,.hero-eyebrow::after{content:"";width:24px;height:1px;background:var(--lime-bright);flex-shrink:0}
h1.hero-title{
  font-family:"Manrope",sans-serif;font-size:clamp(3rem,6vw,5rem);
  font-weight:800;color:#fff;line-height:1.08;margin-bottom:1.8rem;
  text-align:center;
  opacity:0;animation:fadeUp .9s .25s ease forwards;
}
h1.hero-title em{font-style:italic;color:var(--lime)}
.hero-sub{
  font-size:clamp(.9rem,2.2vw,1.08rem);color:rgba(255,255,255,.75);line-height:1.75;
  max-width:520px;margin:0 auto 2.6rem;font-weight:300;
  opacity:0;animation:fadeUp .8s .42s ease forwards;
}
.hero-btns{
  display:flex;gap:1rem;flex-wrap:wrap;justify-content:center;
  opacity:0;animation:fadeUp .8s .56s ease forwards;
}
.btn-primary{
  padding:15px 36px;background:var(--primary);color:#fff;border:none;
  font-weight:600;font-size:.85rem;letter-spacing:.06em;
  border-radius:50px;transition:transform .25s,box-shadow .25s,background .2s;
}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 12px 32px rgba(42,92,42,.4);background:var(--dark)}
.btn-secondary{
  padding:15px 36px;background:none;color:#fff;
  border:1.5px solid rgba(255,255,255,.5);
  font-weight:500;font-size:.85rem;border-radius:50px;transition:all .2s;
}
.btn-secondary:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.hero-badge{
  position:absolute;bottom:4rem;right:5%;z-index:3;
  background:rgba(255,255,255,.1);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  border:1px solid rgba(168,216,120,.25);border-radius:50%;
  width:130px;height:130px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;
  opacity:0;animation:fadeUp .8s .72s ease forwards,floatBadge 4s 1.5s ease-in-out infinite;
}
.hero-badge-num{font-family:"Libre Baskerville",serif;font-size:2.4rem;font-weight:400;color:var(--lime);line-height:1}
.hero-badge-label{font-size:.58rem;color:rgba(255,255,255,.55);letter-spacing:.1em;text-transform:uppercase;line-height:1.4;margin-top:2px}

/* ── STATS — bg dark + puntos ── */
#stats{
  background:var(--dark);padding:3.5rem 5%;
  display:flex;justify-content:center;
  position:relative;overflow:hidden;
}
#stats::before{
  content:"";position:absolute;top:0;right:0;bottom:0;left:0;
  background-image:radial-gradient(circle,rgba(168,216,120,.06) 1px,transparent 1px);
  background-size:28px 28px;pointer-events:none;
}
.stat-item{
  flex:1;max-width:260px;padding:1rem 2.5rem;
  border-right:1px solid rgba(168,216,120,.15);
  position:relative;z-index:1;
}
.stat-item:last-child{border-right:none}
.stat-num{font-size:3rem;font-weight:700;color:var(--lime);line-height:1}
.stat-bar-wrap{height:2px;background:rgba(168,216,120,.2);border-radius:2px;margin-top:.8rem;overflow:hidden}
.stat-bar{height:100%;background:var(--lime);border-radius:2px;width:0%;transition:width 1.5s cubic-bezier(.22,.81,.26,1)}
.stat-label{font-size:.72rem;color:rgba(255,255,255,.38);margin-top:.5rem;white-space:pre-line;line-height:1.5;letter-spacing:.08em;text-transform:uppercase}

/* ── SECTION COMMONS ── */
.section-inner{max-width:1100px;margin:0 auto}
.section-eyebrow{font-size:.72rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--primary);margin-bottom:1rem}
.section-eyebrow.inv{color:var(--lime)}
.section-title{font-family:"Plus Jakarta Sans",sans-serif;font-size:clamp(2rem,4vw,3.2rem);font-weight:500;color:var(--text);line-height:1.2;margin-bottom:1.5rem}
.section-title.inv{color:#fff}
.text-intro{color:var(--primary);line-height:1.8;margin-bottom:1rem;font-size:.98rem;font-weight:500}
.text-body{color:var(--muted);line-height:1.85;margin-bottom:1rem;font-size:.92rem}
.text-body.inv{color:rgba(255,255,255,.52)}
.photo-placeholder{
  aspect-ratio:4/3;min-height:200px;border-radius:12px;border:1px dashed var(--border);
  background:repeating-linear-gradient(45deg,rgba(42,92,42,.06) 0,rgba(42,92,42,.06) 10px,transparent 10px,transparent 20px);
  display:flex;align-items:center;justify-content:center;
}
.photo-placeholder span{font-size:.7rem;color:var(--muted);letter-spacing:.1em;text-align:center;padding:1rem}

/* ── NOSOTROS — bg soft + cuadrícula ── */
#nosotros{background:var(--soft);padding:7rem 5%;position:relative;overflow:hidden}
#nosotros::before{
  content:"";position:absolute;top:0;right:0;bottom:0;left:0;
  background-image:
    repeating-linear-gradient(0deg,transparent,transparent 39px,rgba(42,92,42,.04) 39px,rgba(42,92,42,.04) 40px),
    repeating-linear-gradient(90deg,transparent,transparent 39px,rgba(42,92,42,.04) 39px,rgba(42,92,42,.04) 40px);
  pointer-events:none;
}
.nos-header{margin-bottom:2.5rem}
.nos-header .section-title{margin-bottom:0}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:5rem;align-items:start}
.nos-body{margin-bottom:4rem}
.nos-body .reveal-right .text-body{margin-bottom:.5rem}
.cards-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.25rem}

/* ── CARDS imagen estilo AMC ── */
.card{
  position:relative;overflow:hidden;border-radius:18px;
  aspect-ratio:3/5;cursor:default;background:var(--dark);
  transform:translateZ(0);-webkit-mask-image:-webkit-radial-gradient(white,black);
}
.card-bg{
  position:absolute;inset:0;
  background-size:cover;background-position:center;
  transition:transform .55s ease;
}
.card:hover .card-bg{transform:scale(1.07)}
.card-overlay{
  position:absolute;inset:0;
  background:linear-gradient(to top,rgba(8,22,8,.9) 0%,rgba(8,22,8,.35) 55%,transparent 100%);
  transition:background .4s;
}
.card:hover .card-overlay{
  background:linear-gradient(to top,rgba(8,22,8,.96) 0%,rgba(8,22,8,.6) 65%,rgba(8,22,8,.15) 100%);
}
.card-body{
  position:absolute;bottom:0;left:0;right:0;
  padding:1.4rem 1.5rem;
}
.card h3{
  font-family:"Plus Jakarta Sans",sans-serif;font-size:1.25rem;font-weight:700;
  color:#fff;line-height:1.3;margin:0;
}
.card-desc{
  font-size:.84rem;color:rgba(255,255,255,.75);line-height:1.7;
  max-height:0;overflow:hidden;opacity:0;margin-top:0;
  transition:max-height .45s cubic-bezier(.22,.81,.26,1),opacity .35s ease,margin-top .35s ease;
}
.card:hover .card-desc{max-height:400px;opacity:1;margin-top:.7rem}

/* ── TICKER ── */
.ticker-wrap{
  overflow:hidden;
  border-top:1px solid rgba(168,216,120,.12);
  border-bottom:1px solid rgba(168,216,120,.12);
  padding:.8rem 0;
}
.ticker-inner{display:flex;gap:3rem;white-space:nowrap;animation:ticker 18s linear infinite}
.ticker-inner span{font-size:.72rem;font-weight:600;letter-spacing:.2em;text-transform:uppercase;color:rgba(255,255,255,.3)}
.ticker-inner .dot{color:var(--lime-bright)}

/* ── PRODUCTOS — bg dark + puntos ── */
#productos{background:var(--dark);padding:5rem 0;position:relative;overflow:hidden}
#productos::before{
  content:"";position:absolute;top:0;right:0;bottom:0;left:0;
  background-image:radial-gradient(circle,rgba(168,216,120,.05) 1.5px,transparent 1.5px);
  background-size:32px 32px;pointer-events:none;
}
.productos-header{padding:0 5%;max-width:1100px;margin:0 auto 1rem;position:relative;z-index:1}

/* ── COVERFLOW 3D ── */
.cf-wrap{overflow:hidden;padding-bottom:2.5rem}
.cf-stage{
  position:relative;height:540px;
  perspective:1800px;perspective-origin:50% 50%;
  display:flex;align-items:center;justify-content:center;
}
.prod-card{
  position:absolute;width:320px;height:460px;
  border-radius:16px;overflow:hidden;
  background:var(--dark);cursor:pointer;
  transform-style:preserve-3d;
  transition:transform .7s cubic-bezier(.2,.8,.2,1),opacity .5s,filter .5s,box-shadow .5s;
}
.prod-card img{
  width:100%;height:100%;
  object-fit:cover;display:block;pointer-events:none;
}
.prod-card-caption{
  position:absolute;bottom:0;left:0;right:0;
  padding:2rem 1.5rem 1.4rem;
  background:linear-gradient(to top,rgba(8,22,8,.92) 0%,rgba(8,22,8,.35) 60%,transparent 100%);
}
.prod-card-cat{
  display:block;font-size:.6rem;letter-spacing:.14em;
  text-transform:uppercase;color:var(--lime);margin-bottom:.3rem;
}
.prod-card-name{
  display:block;font-family:"Libre Baskerville",serif;
  font-size:1.65rem;font-weight:700;color:#fff;line-height:1.2;
}
/* Controls */
.cf-controls{
  display:flex;align-items:center;justify-content:center;
  gap:1.5rem;margin-top:1.8rem;position:relative;z-index:20;
}
.cf-arrow{
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);
  border-radius:50%;width:44px;height:44px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  transition:background .2s;cursor:pointer;
}
.cf-arrow:hover{background:rgba(255,255,255,.22)}
.cf-arrow svg{width:18px;height:18px;stroke:#fff;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.cf-dots{display:flex;align-items:center;gap:6px}
.cf-dot{
  background:rgba(255,255,255,.3);border:none;cursor:pointer;
  height:6px;border-radius:3px;width:6px;padding:0;
  transition:all .35s cubic-bezier(.2,.8,.2,1);
}
.cf-dot.active{background:var(--lime);width:22px}

/* ── TECNOLOGIA — bg white ── */
#tecnologia{background:var(--white);padding:7rem 5%;border-top:1px solid var(--border)}
.tech-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.25rem;margin-top:3rem;margin-bottom:3rem}
.tech-card{
  padding:2rem 1.5rem;background:var(--soft);border:1px solid var(--border);border-radius:12px;
  transition:transform .3s,border-color .3s;
}
.tech-card:hover{transform:translateY(-6px);border-color:var(--primary)}
.tech-num{font-size:.68rem;font-weight:700;color:var(--primary);letter-spacing:.15em;margin-bottom:1rem}
.tech-card h3{font-family:"Plus Jakarta Sans",sans-serif;font-size:1.15rem;font-weight:700;color:var(--text);margin-bottom:.8rem;line-height:1.3}
.tech-card p{font-size:.84rem;color:var(--muted);line-height:1.75}
.tech-cta-box{
  padding:3rem;background:var(--soft);border:1px solid var(--border);border-radius:12px;
  display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:1.5rem;
}
.cta-box-label{font-size:.8rem;color:var(--muted);margin-bottom:.4rem}
.cta-box-title{font-family:"Libre Baskerville",serif;font-size:2rem;font-weight:700;color:var(--text)}

/* ── ACERCA ── */
#acerca{
  background:var(--dark);padding:7rem 5%;
  position:relative;overflow:hidden;
}
#acerca::before{
  content:"";position:absolute;top:0;right:0;bottom:0;left:0;
  background-image:radial-gradient(circle,rgba(168,216,120,.06) 1px,transparent 1px);
  background-size:28px 28px;pointer-events:none;
}
#acerca .section-inner{position:relative;z-index:1}
#acerca .reveal-right{align-self:center}
.text-intro.inv{color:rgba(255,255,255,.85);line-height:1.8;margin-bottom:1rem;font-size:.98rem;font-weight:400}

/* ── SUSTENTABILIDAD — bg dark + puntos ── */
#sustentabilidad{background:var(--dark);padding:7rem 5%;position:relative;overflow:hidden}
#sustentabilidad::before{
  content:"";position:absolute;top:0;right:0;bottom:0;left:0;
  background-image:radial-gradient(circle,rgba(168,216,120,.06) 1px,transparent 1px);
  background-size:28px 28px;pointer-events:none;
}
.certs-row{display:flex;justify-content:center;gap:1.25rem;flex-wrap:wrap;margin-top:3rem;position:relative;z-index:1}
.cert-badge{
  padding:1.5rem 2.5rem;background:rgba(255,255,255,.06);
  border:1px solid rgba(168,216,120,.2);border-radius:12px;
  min-width:140px;text-align:center;font-weight:400;font-size:1rem;
  font-family:"Libre Baskerville",serif;color:rgba(255,255,255,.5);
  transition:all .5s ease;
}
.cert-badge.active{background:var(--primary);color:#fff;border-color:var(--primary)}

/* ── CONTACTO — bg cream + puntos ── */
#contacto{
  background:var(--cream);padding:7rem 5%;
  background-image:radial-gradient(circle,rgba(42,92,42,.05) 1px,transparent 1px);
  background-size:24px 24px;
}
.contact-grid{display:grid;grid-template-columns:1fr 1.3fr;gap:5rem;align-items:start;max-width:1100px;margin:0 auto}
.contact-detail{font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;color:var(--primary);margin-bottom:.4rem}
.contact-val{color:var(--text);font-size:.95rem}
.contact-cert{border-top:1px solid var(--border);padding-top:1.5rem;font-size:.75rem;color:var(--muted);line-height:1.6;margin-top:1.5rem}
.form-grid{display:flex;flex-direction:column;gap:1rem}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
input,textarea{
  width:100%;padding:12px 16px;background:var(--white);
  border:1px solid var(--border);color:var(--text);
  font-family:"Plus Jakarta Sans",sans-serif;font-weight:300;font-size:.9rem;
  border-radius:10px;outline:none;transition:border-color .2s;
  -webkit-appearance:none;
}
input:focus,textarea:focus{border-color:var(--primary)}
textarea{resize:vertical;min-height:120px}

/* ── FOOTER ── */
footer{
  background:var(--dark);padding:1.75rem 5%;
  display:flex;align-items:center;flex-wrap:wrap;gap:.5rem 0;
}
.footer-logo{filter:brightness(0) invert(1) sepia(1) saturate(3) hue-rotate(80deg);height:30px;order:1}
.footer-socials{display:flex;gap:.5rem;align-items:center;order:2;margin-left:auto}
.footer-copy{font-size:.62rem;color:rgba(255,255,255,.28);order:3;width:100%;margin-top:.75rem;white-space:nowrap;text-align:center}
.footer-socials a{display:flex;align-items:center;opacity:.35;transition:opacity .2s;cursor:pointer;text-decoration:none}
.footer-socials a:hover{opacity:1}
.footer-socials a svg{width:20px;height:20px;fill:#fff}

/* ── TECH SLIDER ── */
.tec-slider{
  position:relative;border-radius:12px;overflow:hidden;
  aspect-ratio:4/3;background:var(--dark);
  box-shadow:0 8px 32px rgba(0,0,0,.18);
}
.tec-track{
  display:flex;flex-wrap:nowrap;
  width:100%;height:100%;will-change:transform;
  transition:transform .6s cubic-bezier(.22,.81,.26,1);
}
.tec-slide{
  flex:0 0 100%;min-width:100%;height:100%;
  object-fit:cover;object-position:center;
  display:block;pointer-events:none;
}
.tec-btn{
  position:absolute;top:50%;transform:translateY(-50%);
  width:40px;height:40px;border-radius:50%;border:none;
  background:rgba(255,255,255,.82);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  display:flex;align-items:center;justify-content:center;
  cursor:pointer;transition:background .2s,transform .2s;z-index:10;
}
.tec-btn:hover{background:#fff;transform:translateY(-50%) scale(1.08)}
.tec-btn svg{
  width:18px;height:18px;stroke:var(--dark);fill:none;
  stroke-width:2.5;stroke-linecap:round;stroke-linejoin:round;
}
.tec-prev{left:.75rem}
.tec-next{right:.75rem}
.tec-dots{
  position:absolute;bottom:.85rem;left:50%;transform:translateX(-50%);
  display:flex;gap:.4rem;
}
.tec-dot{
  width:7px;height:7px;border-radius:50%;border:none;padding:0;
  background:rgba(255,255,255,.4);cursor:pointer;
  transition:background .3s,width .3s,border-radius .3s;
}
.tec-dot.active{background:#fff;width:22px;border-radius:4px}

/* ── REVEALS ── */
.reveal{opacity:0;transform:translateY(40px);transition:opacity .8s cubic-bezier(.22,.81,.26,1),transform .8s cubic-bezier(.22,.81,.26,1)}
.reveal.visible{opacity:1;transform:none}
.reveal-left{opacity:0;transform:translateX(-50px);transition:opacity .8s cubic-bezier(.22,.81,.26,1),transform .8s cubic-bezier(.22,.81,.26,1)}
.reveal-left.visible{opacity:1;transform:none}
.reveal-right{opacity:0;transform:translateX(50px);transition:opacity .8s cubic-bezier(.22,.81,.26,1),transform .8s cubic-bezier(.22,.81,.26,1)}
.reveal-right.visible{opacity:1;transform:none}
.stagger>*{opacity:0;transform:translateY(30px);transition:opacity .6s cubic-bezier(.22,.81,.26,1),transform .6s cubic-bezier(.22,.81,.26,1)}
.stagger.visible>*:nth-child(1){opacity:1;transform:none;transition-delay:0s}
.stagger.visible>*:nth-child(2){opacity:1;transform:none;transition-delay:.1s}
.stagger.visible>*:nth-child(3){opacity:1;transform:none;transition-delay:.2s}
.stagger.visible>*:nth-child(4){opacity:1;transform:none;transition-delay:.3s}
.stagger.visible>*:nth-child(5){opacity:1;transform:none;transition-delay:.4s}
.stagger.visible>*:nth-child(6){opacity:1;transform:none;transition-delay:.5s}

/* ── KEYFRAMES ── */
@keyframes fadeUp{from{opacity:0;transform:translateY(22px)}to{opacity:1;transform:none}}
@keyframes ticker{from{transform:translateX(0)}to{transform:translateX(-50%)}}
@keyframes floatBadge{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}

/* ════════════════════════════════════════
   RESPONSIVE — tablet (≤900px)
   ════════════════════════════════════════ */
@media(max-width:900px){
  .nav-links{display:none}
  .lang-toggle{display:none}
  .hamburger{display:flex}
  nav{flex-wrap:wrap;height:auto;min-height:62px;align-content:center}
  nav.drawer-open{border-radius:24px}
  .nav-drawer{
    width:100%;flex-basis:100%;
    display:flex;flex-direction:column;align-items:center;gap:.55rem;
    max-height:0;overflow:hidden;opacity:0;
    transition:max-height .35s cubic-bezier(.22,.81,.26,1),opacity .25s,padding .3s;
    pointer-events:none;
  }
  .nav-drawer.open{
    max-height:400px;opacity:1;
    padding:.7rem 0 .35rem;
    border-top:1px solid rgba(255,255,255,.15);
    pointer-events:all;
  }
  .nav-drawer button{
    background:none;border:none;font-size:.82rem;font-weight:600;
    color:#fff;letter-spacing:.12em;text-transform:uppercase;
    font-family:"Plus Jakarta Sans",sans-serif;padding:.15rem 0;
  }
  .nav-drawer .lang-toggle{display:flex;margin-top:.25rem}

  .two-col{grid-template-columns:1fr;gap:2rem}

  .cards-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem}

  .tech-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem}
  .tec-slider{aspect-ratio:16/9}

  .cf-stage{height:480px;perspective:1400px}
  .prod-card{width:280px;height:400px}

  .contact-grid{grid-template-columns:1fr;gap:2.5rem}

  .certs-row{gap:.75rem}
  .cert-badge{padding:1.2rem 1.5rem;min-width:120px;font-size:.9rem}

  .tech-cta-box{flex-direction:column;align-items:flex-start}

  footer{padding:1.5rem 5%}
}

/* ════════════════════════════════════════
   RESPONSIVE — mobile (≤600px)
   ════════════════════════════════════════ */
@media(max-width:600px){
  /* nav */
  nav{width:calc(100% - 24px);top:10px;min-height:54px;height:auto;padding:.6rem 1.2rem;border-radius:40px}
  .nav-logo img{height:40px}

  /* hero */
  #hero{padding:90px 20px 60px}
  h1.hero-title{font-size:clamp(1.5rem,8vw,3rem)}
  h1.hero-title span{white-space:normal!important}
  .hero-btns{flex-direction:column;align-items:center}
  .btn-primary,.btn-secondary{width:100%;max-width:320px;text-align:center;padding:15px 20px;font-size:.85rem;border-radius:50px}
  .hero-badge{width:90px;height:90px;bottom:2rem;right:20px}
  .hero-badge-num{font-size:1.8rem}
  .hero-badge-label{font-size:.5rem}

  /* stats */
  #stats{padding:2rem 20px}
  .stat-item{padding:.75rem 1rem}
  .stat-num{font-size:2.2rem}
  .stat-label{font-size:.62rem}

  /* sections */
  #nosotros,#tecnologia,#sustentabilidad,#acerca{padding:4rem 20px}
  #productos{padding:4rem 0}
  #contacto{padding:4rem 20px}
  .productos-header{padding:0 20px;margin-bottom:1.5rem}
  .cf-stage{height:400px;perspective:900px}
  .prod-card{width:230px;height:340px}
  .prod-card-name{font-size:1.35rem}
  .cf-controls{gap:1rem;margin-top:1.2rem}
  .cf-arrow{width:38px;height:38px}

  /* cards */
  .cards-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:.75rem}
  .card h3{font-size:1.05rem}
  .card-desc{font-size:.78rem}

  /* tech */
  .tech-grid{grid-template-columns:1fr;gap:.75rem;margin-top:2rem}
  .tec-slider{aspect-ratio:4/3}
  .tec-btn{width:34px;height:34px}
  .tec-btn svg{width:15px;height:15px}
  .tech-card{
    display:grid;
    grid-template-columns:auto 1fr;
    grid-template-rows:auto auto;
    gap:.3rem .9rem;
    align-items:start;
    padding:1.4rem 1.2rem;
  }
  .tech-num{grid-row:1;grid-column:1;font-size:.7rem;min-width:24px;padding-top:2px;margin-bottom:0}
  .tech-card h3{grid-row:1;grid-column:2;font-size:1rem;margin-bottom:.35rem}
  .tech-card p{grid-row:2;grid-column:2;font-size:.78rem}
  .tech-cta-box{padding:1.5rem}
  .cta-box-title{font-size:1.4rem}

  /* certs */
  .certs-row{gap:.6rem}
  .cert-badge{padding:1rem 1rem;min-width:calc(50% - .3rem);font-size:.85rem}

  /* form */
  .form-row{grid-template-columns:1fr}

  /* footer */
  footer{padding:2rem 20px}
}

/* ── SMALL PHONES (≤380px) ── */
@media(max-width:380px){
  h1.hero-title{font-size:2.4rem}
  .section-title{font-size:1.7rem}
  .stat-num{font-size:1.9rem}
}

/* ── SAFARI / iOS COMPATIBILITY ── */
/* gap fallback para Safari <14 en flexbox */
.nav-links button + button{margin-left:2rem}
.lang-toggle button + button{margin-left:.25rem}
.hero-btns > * + *{margin-left:1rem}
.hero-btns.col > * + *{margin-left:0;margin-top:1rem}
.footer-socials a + a{margin-left:.5rem}
/* Safari necesita height explícito en el hero para que el video se vea bien */
#hero{min-height:-webkit-fill-available}
/* Previene el bounce scroll en iOS que rompe el layout fijo */
html{-webkit-text-size-adjust:100%;overflow-x:hidden}
/* Corrección de rendering de fuentes en iOS */
body{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
/* Overflow scroll suave en iOS */
.cf-wrap{-webkit-overflow-scrolling:touch}
/* ── FLOATING CONTACT BUTTON (FAB) ── */
.fab-wrap{
  position:fixed;bottom:1.75rem;right:1.75rem;
  display:flex;flex-direction:column;align-items:center;gap:0;z-index:9000;
}
.fab-main{
  width:56px;height:56px;border-radius:50%;border:none;
  background:var(--primary);color:#fff;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 4px 16px rgba(42,92,42,.45);
  cursor:pointer;transition:transform .25s,box-shadow .25s,background .2s;
  flex-shrink:0;position:relative;overflow:hidden;
}
.fab-main:hover{transform:scale(1.08);box-shadow:0 6px 22px rgba(42,92,42,.55);background:var(--dark)}
.fab-main svg{width:24px;height:24px;transition:opacity .2s,transform .2s}
.fab-main-icon{position:absolute;display:flex;align-items:center;justify-content:center;transition:opacity .2s,transform .2s}
.fab-icon-close{opacity:0;transform:rotate(-90deg) scale(.6)}
.fab-wrap.open .fab-icon-chat{opacity:0;transform:rotate(90deg) scale(.6)}
.fab-wrap.open .fab-icon-close{opacity:1;transform:rotate(0deg) scale(1)}

.fab-actions{
  display:flex;flex-direction:column;align-items:flex-end;gap:.6rem;
  pointer-events:none;margin-bottom:.75rem;
}
.fab-item{
  display:flex;align-items:center;gap:.65rem;
  padding:.55rem .85rem .55rem .75rem;border-radius:100px;
  font-family:"Plus Jakarta Sans",sans-serif;font-size:.82rem;font-weight:500;
  text-decoration:none;color:#fff;cursor:pointer;
  box-shadow:0 3px 12px rgba(0,0,0,.22);
  opacity:0;transform:translateY(12px) scale(.95);
  transition:opacity .22s,transform .22s,box-shadow .2s;
  pointer-events:none;white-space:nowrap;
}
.fab-item:hover{box-shadow:0 5px 18px rgba(0,0,0,.3);transform:translateY(0) scale(1.03)!important}
.fab-item-icon{width:34px;height:34px;border-radius:50%;background:rgba(255,255,255,.18);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.fab-item-icon svg{width:18px;height:18px}
.fab-wa{background:#25d366}
.fab-wa:hover{background:#1ebe59}
.fab-email{background:var(--primary)}
.fab-email:hover{background:var(--dark)}

/* items visibles cuando está abierto */
.fab-wrap.open .fab-actions{pointer-events:auto}
.fab-wrap.open .fab-item{opacity:1;transform:translateY(0) scale(1);pointer-events:auto}
.fab-wrap.open .fab-item:nth-child(2){transition-delay:.05s}

/* responsive */
@media(max-width:480px){
  .fab-wrap{bottom:1.25rem;right:1.25rem}
  .fab-item-label{display:none}
  .fab-item{padding:.55rem}
  .fab-item-icon{margin:0}
}

/* scroll-to-top */
.fab-top{
  width:56px;height:0;overflow:hidden;border-radius:50%;border:1px solid rgba(255,255,255,.30);
  background:rgba(255,255,255,.18);-webkit-backdrop-filter:blur(22px);backdrop-filter:blur(22px);
  color:var(--dark);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
  box-shadow:0 4px 24px rgba(0,0,0,.15);
  cursor:pointer;
  opacity:0;pointer-events:none;margin-top:0;
  transition:height .3s cubic-bezier(.4,0,.2,1),margin-top .3s cubic-bezier(.4,0,.2,1),opacity .25s ease;
}
.fab-top.visible{height:56px;margin-top:.75rem;opacity:1;pointer-events:auto}
.fab-top:hover{box-shadow:0 6px 20px rgba(0,0,0,.22)}
.fab-top svg{width:22px;height:22px;flex-shrink:0}