/* =========================================================================
   SOLPLAST · Landing — estilos (vanilla, self-contained)
   Minimalista premium con movimiento. Verde / marfil · hecho en Ecuador.
   ========================================================================= */

/* ---------- Tokens ---------- */
:root{
  --verde-profundo:#243027;
  --verde-bosque:#3A4A30;
  --salvia:#7C8B4E;
  --salvia-700:#5f6b3a;
  --lima:#AEC44B;
  --marfil:#F5F2E9;
  --marfil-warm:#EFEADE;   /* tono crema del video */
  --beige:#FBFAEE;
  --plata:#BFC4CA;
  --grafito:#1C1C1E;
  --gris:#62655c;

  --line:#e2ddcf;
  --line-strong:#d3cdbd;
  --line-dark:rgba(245,242,233,.13);

  --font-display:'Fraunces',Georgia,'Times New Roman',serif;
  --font-body:'Inter','Inter Tight',system-ui,-apple-system,'Segoe UI',sans-serif;

  --container:1200px;
  --container-wide:1340px;
  --gutter:clamp(1.5rem,5vw,4rem);
  --section-y:clamp(7rem,5rem + 7vw,12.5rem);

  --radius-sm:12px;
  --radius-md:18px;
  --radius-lg:28px;
  --radius-xl:40px;
  --pill:999px;

  --shadow-sm:0 4px 16px rgba(36,48,39,.05);
  --shadow-md:0 24px 50px -22px rgba(36,48,39,.18);
  --shadow-lg:0 44px 90px -36px rgba(36,48,39,.30);
  --ring:0 0 0 3px rgba(174,196,75,.5);

  --ease:cubic-bezier(.22,1,.36,1);
  --ease-emph:cubic-bezier(.16,1,.3,1);
}

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-body);
  font-size:clamp(1.02rem,.98rem + .18vw,1.12rem);
  line-height:1.7;
  color:var(--grafito);
  background:var(--marfil);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
p{margin:0;text-wrap:pretty}
a{color:inherit;text-decoration:none}
img,svg,video{display:block;max-width:100%}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer}
:focus-visible{outline:none;box-shadow:var(--ring);border-radius:var(--radius-sm)}
::selection{background:var(--lima);color:var(--verde-profundo)}

/* ---------- Tipografía: sistema moderno ----------
   Sans (Inter) estructura los títulos -> minimal/actual.
   Serif (Fraunces) solo acentos e italics -> elegancia editorial. */
.display{
  font-family:var(--font-body);
  font-weight:500;
  letter-spacing:-.035em;
  line-height:1.02;
  color:var(--grafito);
  margin:0;
  text-wrap:balance;
}
.serif{font-family:var(--font-display);font-weight:400;letter-spacing:-.02em}
.serif-it{font-family:var(--font-display);font-weight:400;font-style:italic;letter-spacing:-.01em}

.container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:var(--gutter)}
.container--wide{max-width:var(--container-wide)}

/* ---------- Icons ---------- */
.ico{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;flex:none}
.ico--fill{fill:currentColor;stroke:none}

/* ---------- Section scaffolding ---------- */
.section{padding-block:var(--section-y);position:relative}
.section--beige{background:var(--beige)}
.section--dark{background:var(--verde-profundo);color:var(--marfil)}
.section--bosque{background:var(--verde-bosque);color:var(--marfil)}

.eyebrow{
  display:inline-flex;align-items:center;gap:.7rem;
  font-size:.74rem;font-weight:600;letter-spacing:.2em;text-transform:uppercase;
  color:var(--salvia-700);margin:0 0 1.6rem;
}
.eyebrow::before{content:"";width:30px;height:1px;background:currentColor;opacity:.6}
.section--dark .eyebrow,.section--bosque .eyebrow{color:var(--lima)}

.section-title{font-size:clamp(2.1rem,1.4rem + 2.9vw,3.6rem)}
.section-lead{margin-top:1.6rem;max-width:52ch;color:var(--gris);font-size:clamp(1.08rem,1rem + .4vw,1.25rem);line-height:1.65}
.section--dark .section-lead,.section--bosque .section-lead{color:rgba(245,242,233,.72)}

/* ---------- Buttons ---------- */
.btn{
  --_bg:var(--verde-profundo);--_fg:var(--marfil);
  position:relative;display:inline-flex;align-items:center;justify-content:center;gap:.7em;
  font-weight:600;font-size:.96rem;letter-spacing:.01em;line-height:1;white-space:nowrap;
  padding:1.15em 1.9em;border:1px solid transparent;border-radius:var(--pill);
  background:var(--_bg);color:var(--_fg);overflow:hidden;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),color .35s var(--ease);
}
.btn svg{width:1.2em;height:1.2em;position:relative;z-index:1;transition:transform .4s var(--ease)}
.btn span{position:relative;z-index:1}
.btn::after{content:"";position:absolute;inset:0;background:var(--salvia);transform:translateY(101%);transition:transform .45s var(--ease-emph);z-index:0}
.btn:hover{box-shadow:var(--shadow-md)}
.btn:hover::after{transform:translateY(0)}
.btn:hover svg{transform:translateX(3px)}
.btn:active{transform:translateY(1px)}
.btn--lg{padding:1.3em 2.3em;font-size:1.05rem}
.btn--ghost{--_bg:transparent;--_fg:var(--grafito);border-color:var(--line-strong)}
.btn--ghost::after{background:var(--verde-profundo)}
.btn--ghost:hover{color:var(--marfil)}
.btn--accent{--_bg:var(--lima);--_fg:var(--verde-profundo)}
.btn--accent::after{background:var(--verde-profundo)}
.btn--accent:hover{color:var(--marfil)}
.section--dark .btn--ghost,.section--bosque .btn--ghost{--_fg:var(--marfil);border-color:var(--line-dark)}
.section--dark .btn--ghost::after{background:var(--lima)}
.section--dark .btn--ghost:hover{color:var(--verde-profundo)}

/* =========================================================================
   NAV
   ========================================================================= */
.nav{position:fixed;inset:0 0 auto 0;z-index:60;transition:transform .5s var(--ease)}
.nav::before{content:"";position:absolute;inset:0;background:rgba(241,236,224,.8);backdrop-filter:saturate(150%) blur(16px);-webkit-backdrop-filter:saturate(150%) blur(16px);opacity:0;transition:opacity .45s var(--ease);border-bottom:1px solid transparent}
.nav.is-scrolled::before{opacity:1;border-bottom-color:var(--line)}
.nav__inner{position:relative;display:flex;align-items:center;gap:1.5rem;height:84px}
.nav__brand{display:flex;align-items:center;margin-right:auto}
.nav__brand img{height:44px;width:auto}
.nav__links{display:flex;align-items:center;gap:2.4rem}
.nav__link{position:relative;font-size:.92rem;font-weight:500;color:var(--grafito);padding:.4rem 0;transition:color .25s var(--ease)}
.nav__link::after{content:"";position:absolute;left:0;bottom:-3px;height:1.5px;width:0;background:var(--salvia);transition:width .4s var(--ease)}
.nav__link:hover{color:var(--salvia-700)}
.nav__link:hover::after,.nav__link.is-active::after{width:100%}
.nav__link.is-active{color:var(--salvia-700)}
.nav__cta{display:inline-flex}
.nav__burger{display:none;width:46px;height:46px;align-items:center;justify-content:center;background:none;border:0;color:var(--grafito)}
.nav__burger svg{width:26px;height:26px}
.nav__mobile{position:absolute;top:84px;left:0;right:0;background:rgba(241,236,224,.98);backdrop-filter:blur(16px);border-bottom:1px solid var(--line);display:none;flex-direction:column;gap:.2rem;padding:1.5rem var(--gutter) 2rem}
.nav__mobile.is-open{display:flex}
.nav__mobile a:not(.btn){font-size:1.1rem;padding:.85rem 0;border-bottom:1px solid var(--line)}
.nav__mobile .btn{margin-top:1.2rem}

/* =========================================================================
   HERO — cinta animada (video) + titular editorial
   ========================================================================= */
.hero{position:relative;min-height:100svh;display:flex;flex-direction:column;justify-content:flex-end;background:var(--marfil-warm);overflow:hidden;padding-top:84px}

/* Cinta animada a sangre completa. El degradado marfil inferior da legibilidad
   al titular y cubre la esquina inferior derecha (marca de agua del video). */
.hero__ribbon{position:absolute;inset:0;z-index:0;overflow:hidden}
.hero__ribbon video,.hero__ribbon img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center 32%;will-change:transform}
.hero__scrim{position:absolute;inset:0;z-index:1;pointer-events:none;
  background:
    linear-gradient(180deg,rgba(239,234,222,.72) 0%,rgba(239,234,222,0) 24%),
    linear-gradient(0deg,var(--marfil-warm) 7%,rgba(239,234,222,.86) 32%,rgba(239,234,222,0) 62%),
    linear-gradient(270deg,var(--marfil-warm) 0%,rgba(239,234,222,0) 26%);
}

.hero__inner{position:relative;z-index:2;display:flex;flex-direction:column;align-items:flex-start;padding-bottom:clamp(3rem,6vw,5.5rem)}
.hero__eyebrow{margin-bottom:1.8rem;opacity:0;animation:fadeUp .9s var(--ease-emph) .15s forwards}
.hero__wordmark{font-size:clamp(2.6rem, 14vw, 11rem);font-weight:600;letter-spacing:-.02em;line-height:.92;color:var(--grafito);margin:0;white-space:nowrap}
.hero__wordmark .ch{display:inline-block;overflow:hidden;vertical-align:top;padding-top:.08em;margin-top:-.08em}
.hero__wordmark .ch > span{display:inline-block;transform:translateY(110%);animation:wordUp 1s var(--ease-emph) forwards;animation-delay:var(--d,0ms)}
.hero__lead{max-width:48ch}
.hero__tagline{font-family:var(--font-display);font-style:italic;font-weight:400;font-size:clamp(1.3rem, 1rem + 1.4vw, 1.9rem);line-height:1.15;letter-spacing:-.01em;color:var(--grafito);opacity:0;animation:fadeUp .9s var(--ease-emph) .7s forwards}
.hero__tagline em{color:var(--salvia-700)}
@keyframes wordUp{to{transform:translateY(0)}}
@keyframes fadeUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:none}}
.hero__row{display:flex;align-items:flex-end;justify-content:space-between;gap:2rem;flex-wrap:wrap;margin-top:2.4rem}
.hero__sub{max-width:42ch;margin-top:1.1rem;font-size:1.18rem;color:var(--gris);opacity:0;animation:fadeUp .9s var(--ease-emph) .9s forwards}
.hero__actions{display:flex;flex-wrap:wrap;gap:1rem;opacity:0;animation:fadeUp .9s var(--ease-emph) 1.05s forwards}

.hero__scroll{position:absolute;right:var(--gutter);bottom:2rem;z-index:3;display:flex;flex-direction:column;align-items:center;gap:.6rem;font-size:.68rem;letter-spacing:.2em;text-transform:uppercase;color:var(--gris);opacity:0;animation:fadeUp 1s 1.4s forwards}
.hero__scroll i{display:block;width:1px;height:46px;background:linear-gradient(var(--salvia),transparent);position:relative;overflow:hidden}
.hero__scroll i::after{content:"";position:absolute;top:-50%;left:0;width:1px;height:50%;background:var(--salvia);animation:scrollLine 2s var(--ease) infinite}
@keyframes scrollLine{0%{top:-50%}100%{top:100%}}

/* =========================================================================
   QUÉ HACEMOS — declaración grande (sans + acento serif)
   ========================================================================= */
.intro{padding-block:clamp(8rem,6rem + 8vw,14rem)}
.intro__statement{font-size:clamp(1.9rem,1rem + 3.6vw,3.4rem);font-weight:500;letter-spacing:-.03em;line-height:1.18;max-width:20ch;color:var(--grafito)}
.intro__statement em{font-family:var(--font-display);font-style:italic;font-weight:400;color:var(--salvia-700)}
.intro__meta{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:2.5rem;max-width:680px;margin-top:clamp(3rem,4vw,4.5rem)}
.intro__metaitem{padding-top:1.6rem;border-top:1px solid var(--line)}
.intro__metaitem h3{font-size:1.05rem;font-weight:600;margin:0 0 .5rem;letter-spacing:-.01em}
.intro__metaitem p{color:var(--gris);font-size:1rem}

/* =========================================================================
   PRODUCTOS
   ========================================================================= */
.prod__head{display:grid;grid-template-columns:1fr auto;gap:2rem 4rem;align-items:end;margin-bottom:clamp(3rem,4vw,5rem)}
.prod__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.6rem}
.card{
  position:relative;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-lg);padding:clamp(2rem,3vw,3rem) clamp(1.8rem,2.5vw,2.6rem);
  overflow:hidden;min-height:340px;display:flex;flex-direction:column;
  transition:transform .5s var(--ease),box-shadow .5s var(--ease),border-color .5s var(--ease);
}
.card::before{content:"";position:absolute;left:0;right:0;bottom:0;height:0;background:var(--salvia);z-index:0;transition:height .5s var(--ease-emph)}
.card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg);border-color:transparent}
.card:hover::before{height:5px}
.card__icon{display:flex;align-items:center;justify-content:center;width:58px;height:58px;border-radius:16px;background:var(--beige);border:1px solid var(--line);color:var(--salvia-700);margin-bottom:auto;position:relative;z-index:1;transition:background .5s var(--ease),color .5s var(--ease),transform .5s var(--ease)}
.card:hover .card__icon{background:var(--salvia);color:#fff;transform:rotate(-8deg)}
.card__icon svg{width:28px;height:28px}
.card__title{font-size:1.45rem;font-weight:600;letter-spacing:-.02em;margin:2.4rem 0 .7rem;position:relative;z-index:1}
.card__text{color:var(--gris);position:relative;z-index:1}
.card__num{position:absolute;top:clamp(2rem,3vw,3rem);right:clamp(1.8rem,2.5vw,2.6rem);font-family:var(--font-display);font-size:1rem;color:var(--plata);z-index:1}
.prod__close{margin-top:clamp(2.5rem,4vw,4rem);text-align:center;font-family:var(--font-display);font-style:italic;font-size:clamp(1.3rem,1rem + 1.2vw,1.8rem);color:var(--salvia-700)}

/* Marquee */
.marquee{margin-top:clamp(4rem,6vw,7rem);overflow:hidden;border-block:1px solid var(--line);padding-block:1.4rem;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 7%,#000 93%,transparent);
  mask-image:linear-gradient(90deg,transparent,#000 7%,#000 93%,transparent)}
.marquee__track{display:flex;width:max-content;animation:marq 34s linear infinite}
.marquee__track span{display:inline-flex;align-items:center;gap:2rem;padding-inline:1rem;font-family:var(--font-display);font-size:clamp(1.4rem,1rem + 1.4vw,2rem);color:var(--salvia);white-space:nowrap;font-weight:400}
.marquee__track span::after{content:"";width:7px;height:7px;border-radius:50%;background:var(--lima)}
@keyframes marq{to{transform:translateX(-50%)}}

/* =========================================================================
   POR QUÉ SOLPLAST (oscuro)
   ========================================================================= */
.why__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:2rem;margin-top:clamp(3.5rem,5vw,5.5rem)}
.pillar{padding-top:2rem;border-top:1px solid var(--line-dark)}
.pillar__icon{width:44px;height:44px;display:flex;align-items:center;color:var(--lima);margin-bottom:1.6rem}
.pillar__icon svg{width:32px;height:32px}
.pillar__title{font-size:1.6rem;font-weight:500;letter-spacing:-.02em;margin-bottom:.8rem;color:var(--marfil)}
.pillar__text{color:rgba(245,242,233,.66);font-size:1.02rem}

/* =========================================================================
   MISIÓN & VISIÓN — editorial, dos declaraciones distintas
   ========================================================================= */
.mv{display:grid;gap:clamp(4rem,7vw,8rem)}
.mv__block{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:clamp(2rem,5vw,5rem);align-items:start}
.mv__block--alt{grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr)}
.mv__label{display:flex;align-items:baseline;gap:1rem}
.mv__index{font-family:var(--font-display);font-size:1.1rem;color:var(--salvia-700)}
.mv__kicker{font-size:.74rem;font-weight:600;letter-spacing:.2em;text-transform:uppercase;color:var(--gris)}
.mv__heading{font-family:var(--font-display);font-weight:400;font-size:clamp(2.2rem,1.4rem + 3vw,3.4rem);letter-spacing:-.02em;line-height:1.05;margin-top:1.4rem}
.mv__block--alt .mv__label,.mv__block--alt .mv__heading{order:2}
.mv__body{font-size:clamp(1.1rem,1rem + .5vw,1.3rem);line-height:1.65;color:var(--gris)}
.mv__body .lead-in{color:var(--grafito);font-weight:500}
.mv__rule{height:1px;background:var(--line);margin-top:clamp(2rem,3vw,3rem)}

/* =========================================================================
   CONTACTO
   ========================================================================= */
.contact__grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(2.5rem,5vw,5.5rem);align-items:start}
.contact__cta{margin-top:2.4rem}
.contact__list{margin-top:clamp(2.5rem,4vw,3.5rem);display:grid;gap:.1rem}
.contact__item{display:flex;align-items:center;gap:1.2rem;padding:1.3rem 0;border-bottom:1px solid var(--line);transition:padding-left .3s var(--ease)}
.contact__item:hover{padding-left:.6rem}
.contact__item svg{width:20px;height:20px;color:var(--salvia-700);flex:none}
.contact__item .lbl{color:var(--gris);font-size:.82rem;letter-spacing:.04em;text-transform:uppercase;width:100px;flex:none}
.contact__item a,.contact__item p{font-weight:500;color:var(--grafito);margin:0}
.contact__item a:hover{color:var(--salvia-700)}
.mapcard{background:var(--verde-profundo);color:var(--marfil);border-radius:var(--radius-xl);padding:clamp(2.2rem,3vw,3.2rem);position:relative;overflow:hidden}
.mapcard__mesh{position:absolute;inset:0;opacity:.6;background:radial-gradient(70% 60% at 85% 8%,rgba(174,196,75,.22),transparent 70%)}
.mapcard__inner{position:relative}
.mapcard__pin{width:52px;height:52px;border-radius:15px;background:rgba(174,196,75,.16);display:flex;align-items:center;justify-content:center;color:var(--lima);margin-bottom:1.6rem}
.mapcard__pin svg{width:28px;height:28px}
.mapcard__label{font-size:.74rem;font-weight:600;letter-spacing:.2em;text-transform:uppercase;color:var(--lima)}
.mapcard__addr{font-family:var(--font-display);font-size:1.55rem;line-height:1.3;margin:.9rem 0 2rem;color:var(--marfil)}

/* =========================================================================
   FOOTER
   ========================================================================= */
.footer{background:var(--verde-profundo);color:var(--marfil);padding-block:clamp(4rem,6vw,6rem) 2.2rem}
.footer__top{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:2.5rem;padding-bottom:clamp(2.5rem,4vw,3.5rem);border-bottom:1px solid var(--line-dark)}
.footer__logo{height:62px;width:auto;margin-bottom:1.6rem}
.footer__tag{font-family:var(--font-display);font-style:italic;font-size:1.45rem;color:var(--marfil);max-width:22ch;line-height:1.3}
.footer__coltitle{font-size:.74rem;font-weight:600;letter-spacing:.2em;text-transform:uppercase;color:var(--lima);margin-bottom:1.4rem}
.footer__link{display:block;color:rgba(245,242,233,.7);padding:.5rem 0;font-size:.96rem;transition:color .25s var(--ease),transform .25s var(--ease)}
.footer__link:hover{color:var(--marfil);transform:translateX(3px)}
.footer__bottom{display:flex;justify-content:space-between;align-items:center;gap:1rem;flex-wrap:wrap;padding-top:2rem;font-size:.85rem;color:rgba(245,242,233,.55)}

/* =========================================================================
   EMAIL FAB (móvil)
   ========================================================================= */
.fab{position:fixed;right:1.2rem;bottom:1.2rem;z-index:70;display:none;align-items:center;justify-content:center;width:58px;height:58px;border-radius:50%;background:var(--verde-profundo);color:var(--marfil);box-shadow:var(--shadow-md);transition:transform .25s var(--ease),background .3s var(--ease)}
.fab svg{width:26px;height:26px}
.fab:active{transform:scale(.92)}

/* =========================================================================
   REVEAL
   ========================================================================= */
.reveal{opacity:0;transform:translateY(34px);transition:opacity 1s var(--ease-emph),transform 1s var(--ease-emph)}
.reveal.is-in{opacity:1;transform:none}
.stagger > *{opacity:0;transform:translateY(30px);transition:opacity .9s var(--ease-emph),transform .9s var(--ease-emph)}
.stagger.is-in > *{opacity:1;transform:none}
.stagger.is-in > *:nth-child(2){transition-delay:.09s}
.stagger.is-in > *:nth-child(3){transition-delay:.18s}
.stagger.is-in > *:nth-child(4){transition-delay:.27s}
.stagger.is-in > *:nth-child(5){transition-delay:.36s}
.stagger.is-in > *:nth-child(6){transition-delay:.45s}

/* =========================================================================
   RESPONSIVE
   ========================================================================= */
@media (max-width:1000px){
  .nav__links,.nav__cta{display:none}
  .nav__burger{display:flex}
  .prod__grid{grid-template-columns:1fr}
  .card{min-height:0}
  .why__grid{grid-template-columns:1fr 1fr}
  .mv__block,.mv__block--alt{grid-template-columns:1fr;gap:1.6rem}
  .mv__block--alt .mv__label,.mv__block--alt .mv__heading{order:0}
  .contact__grid,.footer__top{grid-template-columns:1fr}
  .fab{display:flex}
}
@media (max-width:600px){
  .why__grid,.intro__meta{grid-template-columns:1fr}
  .prod__head{grid-template-columns:1fr}
  .footer__bottom{flex-direction:column;align-items:flex-start}
  .contact__item .lbl{width:84px}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
  .reveal,.stagger > *{opacity:1;transform:none}
  .hero__wordmark .ch > span,.hero__eyebrow,.hero__tagline,.hero__sub,.hero__actions{opacity:1;transform:none;animation:none}
}