/* ============================================================
   Eco Nacional — base.css
   Variables, reset, typography, layout helpers, nav, footer,
   mobile menu, wa-float, reveal, a11y. Compartido por todas
   las páginas. CSS específico de cada página va inline.
   ============================================================ */

:root{
  --teal:#0E3A47;
  --teal-deep:#062A33;
  --teal-mid:#0a3340;
  --eco:#84BD00;
  --cta:#9BD32A;
  --whats:#25D366;
  --amber:#E8A33D;
  --amber-deep:#C5871F;
  --rose:#D97757;
  --teal-bright:#27A5BA;
  --teal-bright-2:#4FC4D6;
  --off:#F5F2EA;
  --off-2:#EFEBDF;
  --paper:#FAF7EE;
  --carbon:#1A1A1A;
  --slate:#6B7B7F;
  --slate-2:#A6B0B3;
  --line-dark:rgba(255,255,255,0.08);
  --line-light:rgba(0,0,0,0.08);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;overflow-x:hidden;max-width:100vw}
body{
  font-family:'Poppins',sans-serif;
  background:var(--off);color:var(--carbon);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;max-width:100vw;position:relative;
}
.display{font-family:'Big Shoulders','Big Shoulders Display',sans-serif;font-weight:400;line-height:0.92;letter-spacing:-0.005em;text-transform:none}
.mono{font-family:'JetBrains Mono',monospace}
.eco{color:var(--eco)}
.container{width:100%;max-width:1320px;margin:0 auto;padding:0 32px}
a{color:inherit;text-decoration:none}
button{font-family:inherit;border:0;background:none;cursor:pointer;color:inherit}
img{display:block;max-width:100%}

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  font-family:'Poppins',sans-serif;font-weight:600;font-size:14px;
  padding:11px 20px;border-radius:999px;
  transition:transform .25s ease, background .25s ease, box-shadow .25s ease, color .25s ease, border-color .25s ease;
  letter-spacing:0.01em;cursor:pointer;line-height:1;white-space:nowrap;
}
.btn-primary{background:var(--cta);color:var(--teal-deep)}
.btn-primary:hover{background:#a9e234;transform:translateY(-1px);box-shadow:0 8px 24px rgba(155,211,42,0.25)}
.btn-outline-w{background:transparent;color:#fff;border:1px solid rgba(255,255,255,0.4)}
.btn-outline-w:hover{border-color:#fff;background:rgba(255,255,255,0.06)}
.btn-outline-d{background:transparent;color:var(--teal);border:1px solid rgba(14,58,71,0.25)}
.btn-outline-d:hover{border-color:var(--teal);background:rgba(14,58,71,0.04)}
.btn-arrow{transition:transform .25s ease}
.btn:hover .btn-arrow{transform:translateX(3px)}
.btn-xl{padding:20px 36px;font-size:16px;border-radius:999px}

/* ============ NAVBAR ============ */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(14,58,71,0.92);
  backdrop-filter:saturate(140%) blur(14px);
  -webkit-backdrop-filter:saturate(140%) blur(14px);
  border-bottom:1px solid rgba(255,255,255,0.06);
  transition:background .3s ease;
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:72px;gap:32px}
.logo{display:inline-flex;align-items:center;height:40px}
.logo img{height:100%;width:auto;display:block}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-link{
  color:rgba(255,255,255,0.85);font-size:14px;font-weight:500;
  display:inline-flex;align-items:center;gap:5px;
  padding:6px 0;position:relative;transition:color .25s ease;
  letter-spacing:0.01em;
}
.nav-link:hover{color:#fff}
.nav-link.active::after{
  content:'';position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--eco);
}
.nav-link svg{width:10px;height:10px;opacity:0.6}
.nav-right{display:flex;align-items:center;gap:14px}

/* Mobile menu (burger + drawer) */
.nav-burger{
  display:none;width:42px;height:42px;align-items:center;justify-content:center;
  background:transparent;border:1px solid rgba(255,255,255,0.2);border-radius:6px;cursor:pointer;
}
.nav-burger span{display:block;width:18px;height:1.5px;background:#fff;position:relative}
.nav-burger span::before,.nav-burger span::after{
  content:'';position:absolute;left:0;width:100%;height:1.5px;background:#fff;
  transition:transform .25s ease, top .25s ease;
}
.nav-burger span::before{top:-6px}
.nav-burger span::after{top:6px}
.nav-burger.open span{background:transparent}
.nav-burger.open span::before{top:0;transform:rotate(45deg)}
.nav-burger.open span::after{top:0;transform:rotate(-45deg)}

.mobile-menu{
  position:fixed;inset:72px 0 0 0;z-index:99;background:var(--teal-deep);
  transform:translateX(100%);transition:transform .35s cubic-bezier(.4,0,.2,1);
  overflow-y:auto;padding:32px 28px 80px;display:flex;flex-direction:column;gap:0;
}
.mobile-menu.open{transform:translateX(0)}
.mobile-menu a.m-link{
  color:#fff;font-family:'Big Shoulders','Big Shoulders Display',sans-serif;font-weight:400;
  font-size:32px;line-height:1.05;letter-spacing:-0.005em;
  padding:24px 0;border-bottom:1px solid rgba(255,255,255,0.08);
  display:flex;justify-content:space-between;align-items:center;
}
.mobile-menu a.m-link::after{content:'→';color:var(--eco);font-size:24px}
.mobile-menu .m-cta{
  margin-top:32px;background:var(--cta);color:var(--teal-deep);
  padding:18px 24px;border-radius:999px;font-weight:700;
  display:inline-flex;justify-content:center;align-items:center;gap:10px;font-size:15px;
}

/* ============ SECTION HEADERS ============ */
section{position:relative}
.sec-pad{padding:120px 0}
.sec-pad-lg{padding:160px 0}
.sec-light{background:var(--off);color:var(--carbon)}
.sec-cream{background:var(--off-2);color:var(--carbon)}
.sec-dark{background:var(--teal);color:#fff}
.sec-eyebrow{
  font-family:'JetBrains Mono',monospace;
  font-size:11px;font-weight:500;letter-spacing:0.18em;
  text-transform:uppercase;color:var(--eco);
  display:inline-flex;align-items:center;gap:10px;margin-bottom:28px;
}
.sec-eyebrow .num{color:var(--slate)}
.sec-eyebrow::before{content:'';display:inline-block;width:24px;height:1px;background:var(--eco)}
.sec-title{
  font-family:'Big Shoulders','Big Shoulders Display',sans-serif;font-weight:400;
  font-size:clamp(28px,3.8vw,50px);line-height:1.0;
  margin-bottom:24px;letter-spacing:-0.005em;text-wrap:balance;
}
.sec-sub{font-size:15px;line-height:1.6;color:var(--slate);max-width:560px}
.sec-dark .sec-sub{color:rgba(255,255,255,0.7)}

/* ============ FOOTER ============ */
footer{
  background:var(--teal-deep);color:rgba(255,255,255,0.7);
  padding:96px 0 32px;font-size:14px;
}
.foot-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:48px;
  padding-bottom:64px;
}
.foot-brand .logo{margin-bottom:24px}
.foot-brand p{line-height:1.6;color:rgba(255,255,255,0.55);max-width:300px;margin-bottom:24px}
.foot-brand .addr{
  font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:0.05em;
  color:rgba(255,255,255,0.4);line-height:1.7;
}
.foot-col h4{
  font-family:'JetBrains Mono',monospace;font-size:11px;font-weight:500;
  letter-spacing:0.18em;text-transform:uppercase;color:var(--eco);
  margin-bottom:20px;
}
.foot-col ul{list-style:none}
.foot-col li{margin-bottom:10px}
.foot-col a{transition:color .2s ease}
.foot-col a:hover{color:var(--eco)}
.foot-divider{height:1px;background:linear-gradient(90deg, transparent, var(--eco), transparent);margin-bottom:32px}
.foot-bottom{
  display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:20px;
  font-size:12px;color:rgba(255,255,255,0.4);
  font-family:'JetBrains Mono',monospace;letter-spacing:0.05em;
}
.foot-bottom-links{display:flex;gap:24px}
.foot-bottom a:hover{color:var(--eco)}

/* ============ WHATSAPP FLOAT ============ */
.wa-float{
  position:fixed;right:24px;bottom:24px;z-index:90;
  display:flex;align-items:center;gap:0;
  background:var(--whats);border-radius:36px;padding:14px;
  box-shadow:0 10px 30px -5px rgba(37,211,102,0.4), 0 4px 12px rgba(0,0,0,0.15);
  color:#fff;font-weight:600;cursor:pointer;
  transition:padding .3s ease, gap .3s ease, transform .25s ease;
}
.wa-float:hover{transform:translateY(-2px);gap:10px;padding-right:22px}
.wa-float svg{width:28px;height:28px;flex-shrink:0}
.wa-float .lbl{
  max-width:0;overflow:hidden;white-space:nowrap;
  font-size:14px;letter-spacing:0.01em;
  transition:max-width .3s ease;
}
.wa-float:hover .lbl{max-width:120px}
.wa-float::before{
  content:'';position:absolute;inset:-4px;border-radius:999px;
  border:2px solid var(--whats);opacity:0.6;
  animation:waPulse 2.4s ease-out infinite;
  pointer-events:none;
}
@keyframes waPulse{0%{transform:scale(0.96);opacity:0.55}100%{transform:scale(1.18);opacity:0}}

/* ============ REVEAL ============ */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .8s ease, transform .8s ease}
.reveal.in{opacity:1;transform:translateY(0)}

/* ============ A11Y ============ */
*:focus-visible{outline:2px solid var(--eco);outline-offset:3px;border-radius:2px}
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{
    animation-duration:0.01ms !important;animation-iteration-count:1 !important;
    transition-duration:0.01ms !important;scroll-behavior:auto !important;
  }
}

/* ============ RESPONSIVE — nav + footer base ============ */
@media (max-width:980px){
  .nav-links{display:none}
  .nav-burger{display:flex}
  .foot-grid{grid-template-columns:1fr 1fr}
  .container{padding:0 20px}
}
@media (max-width:480px){
  .container{padding:0 16px}
  .nav-inner{gap:12px}
  .nav-right{gap:10px}
  .nav-right .btn{font-size:13px;padding:9px 14px}
  .nav-burger{width:38px;height:38px}
  .foot-grid{grid-template-columns:1fr}
}