/* =========================================================
   ConstruEquipos del Sur — estilos
   Paleta: lima #8DC63F · naranja #F7941D · negro #0D0D0D
   ========================================================= */
:root{
  --lime:#8DC63F;
  --lime-2:#a7e15a;
  --orange:#F7941D;
  --orange-2:#ffb04d;
  --black:#0D0D0D;
  --ink:#0a0a0a;
  --card:#161616;
  --card-2:#1e1e1e;
  --line:rgba(255,255,255,.09);
  --text:#f4f4f2;
  --muted:#a9aaa6;
  --radius:18px;
  --maxw:1200px;
  --shadow:0 24px 60px -20px rgba(0,0,0,.7);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  background:var(--black);
  color:var(--text);
  line-height:1.6;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}

h1,h2,h3{font-family:'Montserrat',sans-serif;line-height:1.08;letter-spacing:-.02em}
.text-grad{background:linear-gradient(100deg,var(--lime),var(--orange));-webkit-background-clip:text;background-clip:text;color:transparent}
.text-lime{color:var(--lime)}
.text-orange{color:var(--orange)}

/* ---------- Botones ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  font-family:'Montserrat',sans-serif;font-weight:700;font-size:.98rem;
  padding:.95rem 1.6rem;border-radius:999px;border:2px solid transparent;
  cursor:pointer;transition:transform .2s ease,box-shadow .25s ease,background .25s ease,color .25s ease;
  white-space:nowrap;
}
.btn--sm{padding:.7rem 1.2rem;font-size:.9rem}
.btn--block{width:100%}
.btn--solid{background:var(--orange);color:#1a1000;box-shadow:0 12px 30px -10px rgba(247,148,29,.65)}
.btn--solid:hover{background:var(--orange-2);transform:translateY(-2px)}
.btn--outline{border-color:rgba(255,255,255,.4);color:#fff;background:rgba(255,255,255,.02)}
.btn--outline:hover{border-color:var(--lime);color:var(--lime);transform:translateY(-2px)}

.tag{
  display:inline-block;font-family:'Montserrat',sans-serif;font-weight:700;
  font-size:.72rem;letter-spacing:.22em;text-transform:uppercase;
  color:var(--lime);padding:.4rem .9rem;border:1px solid var(--line);
  border-radius:999px;background:rgba(141,198,63,.06);margin-bottom:1.1rem;
}

/* ---------- Header ---------- */
.header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  transition:background .3s ease,backdrop-filter .3s ease,border-color .3s ease;
  border-bottom:1px solid transparent;
}
.header.is-scrolled{
  background:rgba(10,10,10,.72);
  backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
}
.header__inner{display:flex;align-items:center;justify-content:space-between;height:128px}

.brand{display:flex;align-items:center;gap:.65rem}
.brand__img{height:108px;width:auto;border-radius:14px;box-shadow:0 8px 20px -10px rgba(0,0,0,.8)}

.nav{display:flex;align-items:center;gap:1.6rem}

/* Botón de idioma */
.lang-toggle{
  display:inline-flex;align-items:center;gap:.4rem;
  background:rgba(255,255,255,.05);border:1px solid var(--line);color:#eaeae7;
  font-family:'Montserrat',sans-serif;font-weight:700;font-size:.82rem;
  padding:.45rem .8rem;border-radius:999px;cursor:pointer;transition:border-color .2s,color .2s,background .2s;
}
.lang-toggle:hover{border-color:var(--lime);color:var(--lime)}
.lang-toggle svg{display:block}
.nav__link{font-weight:500;font-size:.98rem;color:#e9e9e6;position:relative;padding:.2rem 0}
.nav__link::after{content:"";position:absolute;left:0;bottom:-4px;height:2px;width:0;background:var(--orange);transition:width .25s ease}
.nav__link:hover{color:#fff}
.nav__link:hover::after{width:100%}
.nav__cta{margin-left:.4rem}

.nav__toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.nav__toggle span{width:26px;height:2.5px;background:#fff;border-radius:2px;transition:.3s}
.nav__toggle.is-open span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
.nav__toggle.is-open span:nth-child(2){opacity:0}
.nav__toggle.is-open span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}

/* ---------- Hero ---------- */
.hero{position:relative;min-height:100vh;min-height:100svh;display:flex;align-items:center;overflow:hidden}
.hero__video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.hero__overlay{
  position:absolute;inset:0;z-index:1;
  background:
    linear-gradient(180deg,rgba(13,13,13,.55) 0%,rgba(13,13,13,.35) 40%,rgba(13,13,13,.9) 100%),
    radial-gradient(120% 80% at 20% 20%,rgba(13,13,13,.2),rgba(13,13,13,.75));
}
.hero__content{position:relative;z-index:2;padding-top:150px;padding-bottom:120px;max-width:820px}
.hero__eyebrow{
  display:inline-block;font-family:'Montserrat',sans-serif;font-weight:700;
  font-size:.78rem;letter-spacing:.2em;text-transform:uppercase;color:var(--lime);
  border:1px solid rgba(141,198,63,.4);border-radius:999px;padding:.45rem 1rem;
  background:rgba(0,0,0,.35);margin-bottom:1.5rem;
}
.hero__title{font-size:clamp(2.3rem,6vw,4.4rem);font-weight:900;margin-bottom:1.3rem;text-shadow:0 6px 40px rgba(0,0,0,.5)}
.hero__lead{font-size:clamp(1.02rem,1.6vw,1.22rem);color:#e7e7e3;max-width:620px;margin-bottom:2.2rem}
.hero__actions{display:flex;gap:1rem;flex-wrap:wrap}

.sound-toggle{
  position:absolute;right:24px;bottom:120px;z-index:3;
  display:grid;place-items:center;width:52px;height:52px;
  background:rgba(0,0,0,.5);backdrop-filter:blur(8px);
  border:1px solid var(--line);color:#fff;
  border-radius:50%;cursor:pointer;
  transition:border-color .25s,background .25s,transform .2s;
}
.sound-toggle:hover{border-color:var(--orange);transform:translateY(-2px)}
.sound-toggle .ic{grid-area:1/1;display:block}
.sound-toggle .ic--on{display:none}
.sound-toggle .ic--off{display:block;color:var(--muted)}
.sound-toggle.is-on{border-color:var(--orange);color:var(--orange)}
.sound-toggle.is-on .ic--on{display:block}
.sound-toggle.is-on .ic--off{display:none}

.scroll-cue{position:absolute;left:50%;bottom:28px;transform:translateX(-50%);z-index:3;width:26px;height:42px;border:2px solid rgba(255,255,255,.5);border-radius:14px;display:flex;justify-content:center}
.scroll-cue span{width:4px;height:8px;background:var(--orange);border-radius:2px;margin-top:7px;animation:scrolldot 1.6s infinite}
@keyframes scrolldot{0%{opacity:0;transform:translateY(0)}30%{opacity:1}60%{opacity:1;transform:translateY(12px)}100%{opacity:0;transform:translateY(16px)}}

/* ---------- Tira de confianza ---------- */
.strip{background:linear-gradient(180deg,#111,#0d0d0d);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.strip__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;padding:0}
.strip__item{padding:1.8rem 1.2rem;text-align:center}
.strip__item b{display:block;font-family:'Montserrat',sans-serif;font-weight:800;font-size:1.2rem;color:var(--lime);margin-bottom:.2rem}
.strip__item span{color:var(--muted);font-size:.92rem}

/* ---------- Secciones ---------- */
.section{padding:clamp(64px,9vw,120px) 0;position:relative}
.section__head{max-width:720px;margin-bottom:3rem}
.section__head--center{margin:0 auto 3rem;text-align:center}
.section__title{font-size:clamp(1.9rem,4vw,3rem);font-weight:800;margin-bottom:1rem}
.section__desc{color:var(--muted);font-size:1.08rem}

/* Equipos intro */
.equipos{background:radial-gradient(120% 90% at 80% 0%,#161616,#0d0d0d 60%)}
.equipos__intro{display:grid;grid-template-columns:.85fr 1.15fr;gap:clamp(2rem,5vw,4.5rem);align-items:center;margin-top:1rem}
.equipos__photo{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--line)}
.equipos__photo img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/5;animation:floaty 7s ease-in-out infinite}
.equipos__photo-glow{position:absolute;inset:0;background:radial-gradient(60% 40% at 30% 40%,rgba(141,198,63,.22),transparent 70%);mix-blend-mode:screen;pointer-events:none}
.equipos__copy h3{font-size:clamp(1.4rem,2.6vw,2rem);margin-bottom:1rem}
.equipos__copy p{color:var(--muted);margin-bottom:1.4rem}
.check-list{list-style:none;margin-bottom:1.8rem;display:grid;gap:.7rem}
.check-list li{position:relative;padding-left:2rem;color:#e6e6e2}
.check-list li::before{content:"✓";position:absolute;left:0;top:0;width:1.4rem;height:1.4rem;background:var(--lime);color:#0d0d0d;font-weight:900;border-radius:50%;display:grid;place-items:center;font-size:.8rem}

@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-14px)}}

/* ---------- Marquee ---------- */
.marquee{position:relative;overflow:hidden;width:100%;padding:2.4rem 0;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);
  mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);}
.marquee__track{display:flex;align-items:center;width:max-content;animation:scrollx 32s linear infinite;gap:2rem}
.marquee--reverse .marquee__track{animation-direction:reverse}
.marquee:hover .marquee__track{animation-play-state:paused}
@keyframes scrollx{from{transform:translateX(0)}to{transform:translateX(-50%)}}

.marquee--images{margin-top:1.5rem}
.marquee--images .marquee__track{animation-duration:40s;gap:1.6rem}
.eq-card{
  position:relative;flex:0 0 auto;width:clamp(240px,26vw,320px);
  border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);
  background:radial-gradient(120% 120% at 50% 0%,#232323,#0f0f0f 75%);
  box-shadow:var(--shadow);
}
.eq-card img{width:100%;aspect-ratio:3/2;object-fit:cover;transition:transform .5s ease}
.eq-card:hover img{transform:scale(1.06)}
.eq-card figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:.9rem 1rem;
  font-family:'Montserrat',sans-serif;font-weight:700;font-size:.95rem;color:#fff;
  background:linear-gradient(180deg,transparent,rgba(0,0,0,.85));
}
.eq-card figcaption::before{content:"";display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--orange);margin-right:.5rem;vertical-align:middle}

.marquee--text{background:linear-gradient(90deg,#141414,#0d0d0d);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:1.4rem 0}
.marquee--text .marquee__track{animation-duration:26s}
.marquee--thin{padding:1rem 0;background:transparent;border:0}
.marquee--thin .marquee__track{animation-duration:30s}
.marquee__word{
  font-family:'Montserrat',sans-serif;font-weight:800;
  font-size:clamp(1.4rem,3.4vw,2.6rem);letter-spacing:-.01em;
  color:transparent;-webkit-text-stroke:1.4px rgba(255,255,255,.55);white-space:nowrap;
  display:inline-flex;align-items:center;gap:1.4rem;
}
.marquee__word i{color:var(--lime);-webkit-text-stroke:0;font-style:normal;font-size:1.2rem}
.marquee__word--o{-webkit-text-stroke:1.2px rgba(247,148,29,.6);font-size:clamp(1.1rem,2.4vw,1.7rem)}
.marquee__word--o i{color:var(--orange)}
.marquee--text:hover .marquee__word{color:rgba(255,255,255,.06)}

/* ---------- Andamios ---------- */
.andamios{background:var(--ink)}
.andamios__grid{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(2rem,5vw,4.5rem);align-items:center}
.andamios__media{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--line)}
.andamios__media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;transition:transform 6s ease}
.andamios__media:hover img{transform:scale(1.08)}
.andamios__badge{position:absolute;left:16px;bottom:16px;background:var(--orange);color:#1a1000;font-family:'Montserrat',sans-serif;font-weight:700;font-size:.82rem;padding:.5rem .9rem;border-radius:999px;box-shadow:0 10px 24px -8px rgba(0,0,0,.6)}
.andamios__specs{display:grid;grid-template-columns:repeat(3,1fr);gap:.8rem;margin-top:1.8rem}
.spec{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:1rem;text-align:center}
.spec b{display:block;font-family:'Montserrat',sans-serif;color:var(--orange);font-size:1.05rem}
.spec span{font-size:.82rem;color:var(--muted)}

/* ---------- Nosotros ---------- */
.nosotros{background:radial-gradient(120% 90% at 10% 0%,#161616,#0d0d0d 60%)}
.nosotros__grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,5vw,4.5rem);align-items:center}
.nosotros__frame{position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
.nosotros__frame::after{content:"";position:absolute;inset:0;border:2px solid transparent;border-radius:var(--radius);background:linear-gradient(135deg,rgba(141,198,63,.5),transparent 40%,rgba(247,148,29,.5)) border-box;-webkit-mask:linear-gradient(#000 0 0) padding-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none}
.nosotros__frame img{width:100%;height:100%;object-fit:cover;aspect-ratio:1/1;transform:scale(1.02);animation:kenburns 14s ease-in-out infinite alternate}
@keyframes kenburns{from{transform:scale(1.02) translate(0,0)}to{transform:scale(1.12) translate(-2%,-2%)}}
.nosotros__stats{display:grid;grid-template-columns:repeat(3,1fr);gap:.9rem;margin:1.8rem 0}
.stat{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:1.1rem 1rem;text-align:center}
.stat b{display:block;font-family:'Montserrat',sans-serif;font-size:1.25rem;color:var(--lime)}
.stat span{font-size:.8rem;color:var(--muted)}

/* ---------- Empresas hermanas ---------- */
.hermanas{background:#f4f4f0;color:#111}
.hermanas .section__desc{color:#555}
.hermanas .tag{color:#b96b00;background:rgba(247,148,29,.1);border-color:rgba(0,0,0,.1)}
.hermanas .section__title{color:#141414}
.hermanas__logos{display:flex;flex-wrap:wrap;gap:clamp(1.5rem,5vw,4rem);justify-content:center;align-items:center;margin-top:1rem}
.hermanas__logo{flex:0 0 auto;max-width:340px;width:min(40vw,340px)}
.hermanas__logo img{width:100%;height:auto;object-fit:contain;mix-blend-mode:multiply;filter:contrast(1.02);transition:transform .3s ease}
.hermanas__logo:hover img{transform:scale(1.04)}

/* ---------- Contacto ---------- */
.contacto{background:var(--ink)}
.contacto__grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(2rem,5vw,4rem);align-items:start}
.contact-list{list-style:none;display:grid;gap:1.1rem;margin:1.8rem 0}
.contact-list li{display:flex;gap:1rem;align-items:flex-start}
.contact-list__ic{width:44px;height:44px;flex:0 0 auto;display:grid;place-items:center;background:var(--card);border:1px solid var(--line);border-radius:12px;font-size:1.2rem}
.contact-list b{display:block;font-family:'Montserrat',sans-serif;font-size:.82rem;text-transform:uppercase;letter-spacing:.12em;color:var(--muted);margin-bottom:.15rem}
.contact-list a:hover{color:var(--lime)}
.contacto__buttons{display:flex;gap:1rem;flex-wrap:wrap;margin-top:1.6rem}

.contacto__form{background:linear-gradient(180deg,#181818,#101010);border:1px solid var(--line);border-radius:var(--radius);padding:2rem;box-shadow:var(--shadow)}
.contacto__form h3{font-size:1.4rem;margin-bottom:1.4rem}
.contacto__form label{display:block;font-size:.85rem;font-weight:600;color:#d8d8d4;margin-bottom:1rem}
.contacto__form input,.contacto__form textarea{
  width:100%;margin-top:.4rem;padding:.85rem 1rem;border-radius:12px;
  background:#0e0e0e;border:1px solid var(--line);color:#fff;font-family:inherit;font-size:.98rem;
  transition:border-color .2s;
}
.contacto__form input:focus,.contacto__form textarea:focus{outline:none;border-color:var(--orange)}
.contacto__form textarea{resize:vertical}
.contacto__form small{display:block;text-align:center;color:var(--muted);margin-top:.9rem;font-size:.8rem}

/* ---------- Footer ---------- */
.footer{background:#080808;border-top:1px solid var(--line);padding-top:3.5rem}
.footer__grid{display:grid;grid-template-columns:1.6fr 1fr 1.4fr 1fr;gap:2rem;padding-bottom:2.5rem}
.footer__brand{display:flex;flex-direction:column;gap:1rem;align-items:flex-start}
.footer__logo{height:130px;width:auto;border-radius:14px}
.footer__brand p{color:var(--muted);font-size:.9rem;max-width:300px}
.footer__col{display:flex;flex-direction:column;gap:.5rem}
.footer__col b{font-family:'Montserrat',sans-serif;font-size:.82rem;text-transform:uppercase;letter-spacing:.14em;color:#fff;margin-bottom:.4rem}
.footer__col a,.footer__col span{color:var(--muted);font-size:.92rem}
.footer__col a:hover{color:var(--lime)}
.footer__bar{border-top:1px solid var(--line);padding:1.4rem 24px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:.6rem;max-width:var(--maxw);margin:0 auto;color:var(--muted);font-size:.85rem}

/* ---------- WhatsApp flotante ---------- */
.wa-float{position:fixed;right:20px;bottom:20px;z-index:90;width:58px;height:58px;border-radius:50%;background:#25D366;color:#fff;display:grid;place-items:center;box-shadow:0 14px 30px -8px rgba(37,211,102,.6);transition:transform .25s}
.wa-float:hover{transform:scale(1.08)}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .7s ease,transform .7s ease}
.reveal.is-in{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media (max-width:900px){
  .header__inner{height:92px}
  .brand__img{height:76px}
  .nav{position:fixed;inset:0 0 auto 0;top:92px;flex-direction:column;align-items:stretch;gap:0;
    background:rgba(10,10,10,.98);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);
    padding:.6rem 24px 1.6rem;transform:translateY(-160%);transition:transform .35s ease;
    max-height:calc(100vh - 92px);overflow-y:auto;}
  .nav.is-open{transform:translateY(0)}
  .nav__link{padding:1.05rem 0;border-bottom:1px solid var(--line);font-size:1.05rem}
  .nav__link::after{display:none}
  .lang-toggle{align-self:flex-start;margin-top:1rem;padding:.6rem 1.1rem;font-size:.95rem}
  .nav__cta{margin:1.1rem 0 0;width:100%;padding:.95rem 1.6rem;font-size:1rem}
  .nav__toggle{display:flex}
  .strip__grid{grid-template-columns:1fr 1fr}
  .equipos__intro,.andamios__grid,.nosotros__grid,.contacto__grid{grid-template-columns:1fr}
  .nosotros__media{order:-1}
  .footer__grid{grid-template-columns:1fr 1fr}
  .footer__logo{height:104px}
}
@media (max-width:560px){
  .container{padding:0 18px}
  .section{padding:56px 0}
  .strip__grid{grid-template-columns:1fr}
  .strip__item{padding:1.4rem 1.2rem}
  .andamios__specs,.nosotros__stats{grid-template-columns:1fr}
  .footer__grid{grid-template-columns:1fr}
  .footer__bar{flex-direction:column;text-align:center}
  .sound-toggle{bottom:92px;right:18px;width:48px;height:48px}
  .wa-float{width:54px;height:54px}
  .hero__content{padding-top:100px;padding-bottom:100px}
  .hero__actions{flex-direction:column;align-items:stretch}
  .hero__actions .btn{width:100%}
  .contacto__buttons{flex-direction:column}
  .contacto__buttons .btn{width:100%}
  .contacto__form{padding:1.5rem}
  /* Marquees: tarjetas y textos un poco más compactos */
  .eq-card{width:76vw;max-width:300px}
  .marquee--images .marquee__track{animation-duration:34s}
  .marquee--text .marquee__track{animation-duration:22s}
}
/* Pantallas muy pequeñas */
@media (max-width:380px){
  .header__inner{height:82px}
  .brand__img{height:66px}
  .nav{top:82px;max-height:calc(100vh - 82px)}
  .hero__title{font-size:2rem}
}

/* ---------- Reduce motion ---------- */
@media (prefers-reduced-motion:reduce){
  .marquee__track{animation:none}
  .equipos__photo img,.nosotros__frame img,.scroll-cue span{animation:none}
  .reveal{transition:none;opacity:1;transform:none}
}