/* Aluminio & Madera — landing editorial industrial-premium */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
body.am-body{margin:0;background:var(--black);color:var(--blanco);font-family:var(--font-body);line-height:1.6;overflow-x:hidden}
body.is-menu-open{overflow:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,textarea{font:inherit}
h1,h2,h3{font-family:var(--font-display);font-weight:600;line-height:1.04;margin:0;text-wrap:balance}
p{margin-top:0;text-wrap:pretty}
svg{display:block}
::selection{background:var(--giesse);color:#fff}
:focus-visible{outline:2px solid var(--giesse);outline-offset:4px}
.am-sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.am-skip-link{position:fixed;top:12px;left:12px;z-index:1000;padding:.7rem 1rem;background:var(--blanco);color:var(--black);transform:translateY(-150%);transition-property:transform;transition-duration:180ms}
.am-skip-link:focus{transform:none}
.am-container{width:min(100% - clamp(2rem,7vw,7rem),var(--maxw));margin-inline:auto}
.am-section{position:relative;padding:var(--sp-section) 0;scroll-margin-top:76px}
.am-section-label{margin:0 0 1rem;color:var(--aluminio);font-family:var(--font-display);font-size:.76rem;font-weight:600;letter-spacing:.24em;text-transform:uppercase}
.am-h2{max-width:900px;font-size:clamp(2.35rem,5vw,5.3rem);letter-spacing:-.045em}
.am-chrome{background:var(--chrome-grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* Official logo crop: preserve the supplied master while removing its empty canvas. */
.am-brand-crop{position:relative;display:block;overflow:hidden;aspect-ratio:2.65/1;background:var(--black)}
.am-brand-crop img{position:absolute;inset:0 0 auto;width:100%;height:auto;transform:translateY(-34%);outline:0}
.am-brand-crop--nav{width:228px}
.am-brand-crop--footer{width:min(320px,100%);background:transparent}

/* Buttons */
.am-btn{min-height:50px;display:inline-flex;align-items:center;justify-content:center;gap:.85rem;padding:.85rem 1.25rem;border:0;border-radius:3px;cursor:pointer;font-family:var(--font-display);font-size:.92rem;font-weight:600;letter-spacing:.02em;transition-property:transform,background-color,color,box-shadow;transition-duration:180ms;transition-timing-function:ease-out}
.am-btn svg,.am-text-link svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;transition-property:transform;transition-duration:180ms}
.am-btn:hover svg,.am-text-link:hover svg{transform:translateX(4px)}
.am-btn:hover{transform:translateY(-2px)}
.am-btn:active{transform:scale(.96)}
.am-btn--primary{background:var(--giesse);color:#fff;box-shadow:0 0 0 1px rgba(255,255,255,.14),0 14px 32px rgba(0,150,64,.2)}
.am-btn--primary:hover{background:var(--giesse-600)}
.am-btn--ghost{background:rgba(10,11,11,.42);color:var(--blanco);box-shadow:inset 0 0 0 1px var(--silver-line-strong)}
.am-btn--ghost:hover{background:rgba(244,244,244,.08);box-shadow:inset 0 0 0 1px var(--aluminio)}
.am-btn--wa{width:max-content;background:#167b3b;color:#fff;box-shadow:0 0 0 1px rgba(255,255,255,.12),0 16px 40px rgba(0,0,0,.3)}
.am-icon-fill{width:22px!important;height:22px!important;fill:currentColor!important;stroke:none!important}

/* Navigation */
.am-nav{position:fixed;inset:0 0 auto;z-index:100;background:rgba(11,12,12,.82);border-bottom:1px solid var(--silver-line);transition-property:background-color,border-color,box-shadow;transition-duration:240ms;backdrop-filter:blur(8px)}
.am-nav.is-scrolled{background:rgba(11,12,12,.94);border-color:var(--silver-line);box-shadow:0 10px 35px rgba(0,0,0,.22);backdrop-filter:blur(14px)}
.am-nav__inner{width:min(100% - clamp(2rem,7vw,7rem),var(--maxw));height:82px;margin:auto;display:flex;align-items:center;justify-content:space-between}
.am-nav__brand{display:flex;align-items:center;min-height:44px}
.am-nav__links{display:flex;align-items:center;gap:clamp(1rem,2.4vw,2.2rem)}
.am-nav__links a{position:relative;min-height:44px;display:flex;align-items:center;color:var(--aluminio);font-size:.9rem;font-weight:600;transition-property:color;transition-duration:160ms}
.am-nav__links a::after{content:"";position:absolute;left:0;right:100%;bottom:3px;height:1px;background:var(--giesse);transition-property:right;transition-duration:180ms}
.am-nav__links a:hover,.am-nav__links a.is-active{color:var(--blanco)}
.am-nav__links a:hover::after,.am-nav__links a.is-active::after{right:0}
.am-nav__cta{padding-inline:1rem!important;background:var(--giesse);color:#fff!important;min-height:42px!important}
.am-nav__cta::after{display:none}
.am-nav__toggle{width:46px;height:46px;display:none;place-content:center;gap:5px;padding:0;border:0;background:transparent;color:var(--blanco);cursor:pointer}
.am-nav__toggle span{display:block;width:25px;height:1px;background:currentColor;transition-property:transform,opacity;transition-duration:180ms}
.am-nav__toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.am-nav__toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.am-nav__toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* Hero */
.am-hero{position:relative;min-height:100svh;display:flex;align-items:center;overflow:hidden;background:var(--black)}
.am-hero__media{position:absolute;inset:0;overflow:hidden}
.am-hero__media img{width:100%;height:100%;object-fit:cover;object-position:center center;transform:scale(1.035);will-change:transform;outline:0}
.am-hero__layout{position:relative;z-index:2;padding-top:7rem;padding-bottom:7rem}
.am-hero__content{max-width:650px}
.am-hero__title{font-size:clamp(3.2rem,6vw,6rem);letter-spacing:-.055em;text-shadow:0 10px 30px rgba(0,0,0,.3)}
.am-hero__lead{max-width:560px;margin:2.2rem 0 2.3rem;padding-top:1.7rem;border-top:1px solid var(--silver-line-strong);color:var(--aluminio);font-size:clamp(1.02rem,1.5vw,1.25rem)}
.am-hero__actions{display:flex;flex-wrap:wrap;gap:1rem}
.am-hero__scroll{position:absolute;z-index:3;left:50%;bottom:1.5rem;width:46px;height:46px;display:grid;place-items:center;transform:translateX(-50%);color:var(--aluminio);border:1px solid var(--silver-line);border-radius:50%;transition-property:color,border-color,transform;transition-duration:180ms}
.am-hero__scroll:hover{color:#fff;border-color:var(--aluminio);transform:translateX(-50%) translateY(3px)}
.am-hero__scroll svg{width:22px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}

/* Metallic systems rail */
.am-sistemas{position:relative;z-index:4;scroll-margin-top:82px;background:linear-gradient(180deg,#eef1f3 0%,#a8adb1 48%,#d7dadd 100%);color:#151616;border-block:1px solid rgba(255,255,255,.7)}
.am-sistemas__rail{min-height:108px;display:flex;align-items:center;justify-content:space-between;gap:2rem;padding-block:1.2rem}
.am-sistemas h2{font-size:.78rem;font-weight:700;letter-spacing:.22em;text-transform:uppercase}
.am-brands{list-style:none;display:flex;align-items:center;gap:clamp(2rem,6vw,5.5rem);padding:0;margin:0}
.am-brands__item{font-family:var(--font-display);font-size:clamp(1.25rem,2.2vw,2rem);font-weight:800;letter-spacing:-.03em}
.am-brands__item--giesse{color:var(--giesse)}
.am-brands__item--roto{color:var(--roto)}

/* About */
.am-nosotros{background:var(--black-soft)}
.am-nosotros::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent 0 49.9%,rgba(200,204,206,.08) 50%,transparent 50.1%);pointer-events:none}
.am-nosotros__grid{display:grid;grid-template-columns:minmax(300px,.9fr) minmax(380px,1.1fr);gap:clamp(3rem,8vw,8rem);align-items:center}
.am-nosotros__media{position:relative;margin:0;width:min(100%,520px);justify-self:center}
.am-nosotros__media img{width:100%;max-height:700px;object-fit:cover;object-position:top;border-radius:2px;outline:1px solid rgba(255,255,255,.12);outline-offset:-1px;filter:saturate(.72) contrast(1.05);box-shadow:var(--shadow)}
.am-nosotros__media figcaption{max-width:360px;margin:1.2rem 0 0;color:var(--aluminio-dark);font-size:.8rem;letter-spacing:.04em}
.am-nosotros__copy{max-width:650px;margin:2.2rem 0;color:#cfd2d3;font-size:clamp(1rem,1.35vw,1.17rem)}
.am-nosotros__copy p{margin-bottom:1.2rem}
.am-proof{display:flex;align-items:center;gap:1.2rem;padding-top:1.5rem;border-top:1px solid var(--silver-line)}
.am-proof strong{font-family:var(--font-display);font-size:clamp(2.8rem,5vw,4.8rem);font-weight:500;line-height:1;background:var(--chrome-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.am-proof span{color:var(--aluminio);font-size:.82rem;letter-spacing:.08em;text-transform:uppercase}

/* Services */
.am-servicios{background:var(--carbon)}
.am-servicios .am-container{display:grid;grid-template-columns:minmax(300px,.78fr) minmax(460px,1.22fr);column-gap:clamp(3rem,8vw,9rem);align-items:start}
.am-section-heading{position:sticky;top:120px;grid-column:1;grid-row:1 / span 2}
.am-service-list{grid-column:2;border-top:1px solid var(--silver-line-strong)}
.am-service{display:grid;grid-template-columns:78px 1fr;gap:1.2rem;align-items:start;padding:1.65rem .4rem;border-bottom:1px solid var(--silver-line);transition-property:transform,border-color,background-color;transition-duration:200ms}
.am-service:hover{transform:translateX(8px);border-color:var(--giesse);background:rgba(255,255,255,.018)}
.am-service__num{font-family:var(--font-display);font-size:1.45rem;font-weight:500;color:var(--aluminio-dark)}
.am-service h3{margin:0 0 .45rem;font-size:clamp(1.25rem,2vw,1.75rem);letter-spacing:-.02em}
.am-service p{margin:0;max-width:600px;color:var(--aluminio-dark)}
.am-section-cta{grid-column:2;display:flex;align-items:center;justify-content:space-between;gap:2rem;margin-top:2.2rem}
.am-section-cta p{margin:0;color:var(--aluminio-dark)}
.am-text-link{min-height:44px;display:inline-flex;align-items:center;gap:.75rem;color:var(--giesse);font-family:var(--font-display);font-weight:700}

/* Work */
.am-obras{background:#101212;border-block:1px solid rgba(200,204,206,.08)}
.am-obras__heading{display:grid;grid-template-columns:1.25fr .75fr;gap:clamp(2rem,7vw,7rem);align-items:end;margin-bottom:3.5rem}
.am-obras__heading>p{margin:0 0 .55rem;color:var(--aluminio-dark);font-size:1.05rem}
.am-obras__feature{position:relative;margin:0;overflow:hidden;background:var(--black);box-shadow:var(--shadow-border)}
.am-obras__feature img{width:100%;aspect-ratio:2.15/1;object-fit:cover;outline:1px solid rgba(255,255,255,.1);outline-offset:-1px;transition-property:transform;transition-duration:650ms;transition-timing-function:cubic-bezier(.2,0,0,1)}
.am-obras__feature:hover img{transform:scale(1.025)}
.am-obras__feature figcaption{position:absolute;inset:auto 0 0;display:flex;justify-content:space-between;gap:1rem;padding:1.15rem 1.4rem;background:rgba(11,12,12,.9);border-top:1px solid var(--silver-line)}
.am-obras__feature figcaption span{font-family:var(--font-display);font-size:.82rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase}
.am-obras__feature figcaption small{color:var(--aluminio-dark)}
.am-obras__footer{display:flex;align-items:center;justify-content:space-between;gap:2rem;margin-top:2rem}
.am-obras__footer p{margin:0;color:var(--aluminio-dark)}

/* Contact */
.am-contacto{background:linear-gradient(100deg,#0c0d0d 0 49.9%,#141616 50%)}
.am-contacto__grid{display:grid;grid-template-columns:minmax(320px,.92fr) minmax(420px,1.08fr);gap:clamp(3rem,8vw,8rem);align-items:start}
.am-contacto__lead{max-width:540px;margin:2rem 0 2rem;color:var(--aluminio);font-size:clamp(1.05rem,1.6vw,1.3rem)}
.am-contact-list{margin:2.4rem 0 0}
.am-contact-list>div{display:grid;grid-template-columns:120px 1fr;gap:1.2rem;padding:.85rem 0;border-bottom:1px solid var(--silver-line)}
.am-contact-list dt{color:var(--aluminio-dark);font-size:.75rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase}
.am-contact-list dd{margin:0;color:#d7d9da;overflow-wrap:anywhere}
.am-contact-list a{transition-property:color;transition-duration:160ms}
.am-contact-list a:hover{color:var(--giesse)}
.am-form-panel{padding:clamp(1.6rem,3vw,2.6rem);background:rgba(8,9,9,.45);box-shadow:var(--shadow-border)}
.am-form-panel__heading{display:flex;align-items:end;justify-content:space-between;gap:1rem;margin-bottom:1.7rem}
.am-form-panel__heading h3{font-size:1.45rem}
.am-form-panel__heading p{margin:0;color:var(--aluminio-dark);font-size:.78rem}
.am-form{display:grid;grid-template-columns:1fr 1fr;gap:1.1rem 1rem}
.am-form .form-field{margin:0}
.am-form .form-field:nth-of-type(1),.am-form .form-field:nth-of-type(4),.am-form .form-field:nth-of-type(5),.am-form .form-field:nth-of-type(6),.am-form .buttons{grid-column:1/-1}
.am-form .form-label{margin-bottom:.42rem}
.am-form label{display:block!important;color:var(--aluminio);font-size:.82rem;font-weight:600}
.am-form .required{color:var(--giesse)}
.am-form input:not([type="checkbox"]),.am-form textarea{width:100%;min-height:50px;padding:.78rem .9rem;border:1px solid rgba(200,204,206,.34);border-radius:2px;background:#0c0d0d;color:var(--blanco);font-size:.95rem;transition-property:border-color,box-shadow,background-color;transition-duration:160ms}
.am-form textarea{min-height:145px;resize:vertical}
.am-form input::placeholder,.am-form textarea::placeholder{color:#70767a}
.am-form input:not([type="checkbox"]):focus,.am-form textarea:focus{outline:0;border-color:var(--giesse);box-shadow:0 0 0 3px rgba(0,150,64,.16);background:#0f1111}
.am-form input[type="checkbox"]{width:18px;height:18px;margin:.15rem .55rem 0 0;accent-color:var(--giesse)}
.am-form [data-grav-field="checkbox"] .form-input-wrapper{display:flex;align-items:flex-start;color:var(--aluminio-dark)}
.am-form .buttons{margin-top:.4rem}
.am-form__submit{width:100%;min-height:52px}
.am-form__note{margin:1rem 0 0;color:var(--aluminio-dark);font-size:.75rem}
.form-messages,.alert{grid-column:1/-1;margin-bottom:1rem;padding:.8rem 1rem;background:rgba(0,150,64,.12);color:#dff6e8;border-left:2px solid var(--giesse)}
.am-hp,[data-grav-field="honeypot"]{position:absolute!important;left:-9999px!important;width:1px!important;height:1px!important;opacity:0!important}

/* Footer */
.am-footer{padding:4rem 0 1.5rem;background:#080909;border-top:1px solid var(--silver-line)}
.am-footer__grid{display:grid;grid-template-columns:1.35fr 1fr 1.15fr .7fr;gap:clamp(2rem,5vw,5rem)}
.am-footer__brand>p{max-width:300px;color:var(--aluminio-dark);font-size:.85rem}
.am-footer h3{margin-bottom:1rem;color:var(--aluminio);font-size:.74rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase}
.am-footer p{margin:.35rem 0;color:var(--aluminio-dark);font-size:.84rem}
.am-footer a{transition-property:color;transition-duration:160ms;overflow-wrap:anywhere}
.am-footer a:hover{color:var(--giesse)}
.am-footer__bottom{display:flex;align-items:center;justify-content:space-between;gap:2rem;margin-top:3rem;padding-top:1.25rem;border-top:1px solid rgba(200,204,206,.1)}
.am-footer__bottom p,.am-footer__bottom a{margin:0;color:#676d70;font-size:.75rem}

/* WhatsApp */
.am-wa-fab{position:fixed;right:18px;bottom:18px;z-index:90;min-height:50px;display:flex;align-items:center;gap:.55rem;padding:.7rem .95rem;border-radius:3px;background:#167b3b;color:#fff;box-shadow:0 12px 34px rgba(0,0,0,.38),0 0 0 1px rgba(255,255,255,.12);font-size:.78rem;font-weight:700;letter-spacing:.04em;transition-property:transform,background-color;transition-duration:180ms}
.am-wa-fab svg{width:24px;height:24px}
.am-wa-fab:hover{transform:translateY(-3px);background:#126a33}
.am-wa-fab:active{transform:scale(.96)}

/* Reveal */
[data-reveal]{opacity:0;transform:translateY(22px);filter:blur(3px);transition-property:opacity,transform,filter;transition-duration:620ms;transition-timing-function:cubic-bezier(.2,0,0,1)}
[data-reveal].is-visible{opacity:1;transform:none;filter:blur(0)}
.am-service:nth-child(2){transition-delay:70ms}.am-service:nth-child(3){transition-delay:140ms}.am-service:nth-child(4){transition-delay:210ms}.am-service:nth-child(5){transition-delay:280ms}

@media (max-width:1040px){
  .am-brand-crop--nav{width:190px}
  .am-nav__links{gap:1rem}
  .am-nosotros__grid,.am-contacto__grid{gap:3.5rem}
  .am-servicios .am-container{grid-template-columns:1fr;row-gap:3rem}
  .am-section-heading{position:static;grid-column:1;grid-row:auto;max-width:760px}
  .am-service-list,.am-section-cta{grid-column:1}
  .am-service-list{max-width:820px;margin-left:auto;width:100%}
  .am-section-cta{max-width:820px;margin-left:auto;width:100%}
  .am-footer__grid{grid-template-columns:1.4fr 1fr 1fr}
  .am-footer__grid>.am-footer__col:last-child{grid-column:2}
}

@media (max-width:820px){
  html{scroll-padding-top:72px}
  .am-nav__inner{height:72px}
  .am-brand-crop--nav{width:178px}
  .am-nav__toggle{display:grid;position:relative;z-index:2}
  .am-nav__links{position:fixed;inset:0 0 0 auto;width:min(84vw,360px);height:100dvh;display:flex;flex-direction:column;align-items:stretch;justify-content:center;gap:.6rem;padding:5rem 2rem 2rem;background:#0c0d0d;box-shadow:-24px 0 70px rgba(0,0,0,.5);transform:translateX(105%);transition-property:transform;transition-duration:240ms;transition-timing-function:cubic-bezier(.2,0,0,1)}
  .am-nav__links.is-open{transform:none}
  .am-nav__links a{justify-content:flex-start;font-size:1.25rem;border-bottom:1px solid var(--silver-line)}
  .am-nav__cta{margin-top:.8rem;justify-content:center;border:0!important}
  .am-hero{min-height:920px;align-items:flex-end}
  .am-hero__media{inset:0 0 auto;height:55%}
  .am-hero__media::after{content:"";position:absolute;inset:45% 0 0;background:linear-gradient(transparent,var(--black))}
  .am-hero__media img{object-position:70% center}
  .am-hero__layout{padding-top:28rem;padding-bottom:7rem}
  .am-hero__content{max-width:670px}
  .am-hero__title{font-size:clamp(3rem,10vw,5rem)}
  .am-sistemas__rail{align-items:flex-start;flex-direction:column;padding-block:1.4rem}
  .am-brands{width:100%;justify-content:space-between;gap:1rem}
  .am-nosotros::before{display:none}
  .am-nosotros__grid,.am-contacto__grid{grid-template-columns:1fr}
  .am-nosotros__media{width:min(100%,460px)}
  .am-nosotros__content{max-width:680px}
  .am-obras__heading{grid-template-columns:1fr;align-items:start}
  .am-obras__heading>p{max-width:620px}
  .am-obras__feature img{aspect-ratio:1.45/1}
  .am-contacto{background:var(--black)}
  .am-form-panel{background:#121414}
  .am-footer__grid{grid-template-columns:1fr 1fr}
  .am-footer__brand{grid-column:1/-1}
  .am-footer__grid>.am-footer__col:last-child{grid-column:auto}
}

@media (max-width:560px){
  .am-container,.am-nav__inner{width:min(100% - 2rem,var(--maxw))}
  .am-brand-crop--nav{width:158px}
  .am-section{padding:5rem 0}
  .am-h2{font-size:clamp(2.25rem,11vw,3.7rem)}
  .am-hero{min-height:844px}
  .am-hero__media{height:46%}
  .am-hero__layout{padding-top:17rem;padding-bottom:4.5rem}
  .am-hero__title{font-size:clamp(2.65rem,12vw,3.55rem)}
  .am-hero__lead{margin:1.25rem 0 1.4rem;padding-top:1rem;font-size:.97rem;line-height:1.55}
  .am-hero__actions{display:grid;grid-template-columns:1fr}
  .am-btn{width:100%}
  .am-brands{font-size:.9rem;gap:.6rem}
  .am-brands__item{font-size:1.05rem}
  .am-nosotros__media img{max-height:560px}
  .am-service{grid-template-columns:50px 1fr;padding:1.35rem 0}
  .am-service__num{font-size:1.1rem}
  .am-section-cta,.am-obras__footer{align-items:flex-start;flex-direction:column}
  .am-obras__feature img{aspect-ratio:1/1.05}
  .am-obras__feature figcaption{position:static;flex-direction:column;padding:1rem}
  .am-obras__footer .am-btn{width:100%}
  .am-contact-list>div{grid-template-columns:1fr;gap:.2rem}
  .am-form-panel{margin-inline:-.25rem;padding:1.25rem}
  .am-form-panel__heading{align-items:flex-start;flex-direction:column}
  .am-form{grid-template-columns:1fr}
  .am-form .form-field,.am-form .buttons{grid-column:1!important}
  .am-footer__grid{grid-template-columns:1fr}
  .am-footer__brand{grid-column:auto}
  .am-footer__bottom{align-items:flex-start;flex-direction:column;gap:.6rem}
  .am-wa-fab{width:52px;height:52px;min-height:52px;padding:0;justify-content:center;border-radius:50%}
  .am-wa-fab span{display:none}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
  [data-reveal]{opacity:1;transform:none;filter:none}
  .am-hero__media img{transform:none!important;will-change:auto}
}