/* ============ Tokens ============ */
:root{
  --navy:#153A6B;
  --royal:#246BFD;
  --cyan:#3BC8FF;
  --whatsapp:#25D366;
  --whatsapp-deep:#157A40;
  --whatsapp-deep-hover:#11642F;
  --bg:#F8F7F4;
  --card:#FFFFFF;
  --border:#EEF1F5;
  --text:#28323D;
  --muted:#5B6673;

  --font-display:'Plus Jakarta Sans', sans-serif;
  --font-body:'Inter', sans-serif;

  --radius-card:18px;
  --radius-btn:14px;
  --shadow-card:0 8px 24px rgba(21,58,107,.04);
  --shadow-card-hover:0 20px 40px rgba(21,58,107,.09);
  --shadow-btn:0 12px 30px rgba(36,107,253,.22);
  --shadow-whatsapp:0 12px 30px rgba(21,122,64,.28);

  --container:1200px;
  --pad-inline:clamp(20px, 5vw, 48px);
  --space-section:clamp(72px, 11vw, 120px);
  --ease:cubic-bezier(.25,1,.5,1);
}

/* ============ Reset ============ */
*,*::before,*::after{box-sizing:border-box; margin:0; padding:0;}
html{-webkit-text-size-adjust:100%; scroll-behavior:smooth;}
body{
  font-family:var(--font-body);
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.65;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img,svg{display:block; max-width:100%;}
ul,ol{list-style:none;}
a{color:inherit; text-decoration:none;}
button{font:inherit; color:inherit; background:none; border:none; cursor:pointer;}
h1,h2,h3{font-family:var(--font-display); color:var(--navy); letter-spacing:-0.02em;}

.skip-link{
  position:absolute; left:12px; top:-60px;
  background:var(--navy); color:#fff; padding:12px 20px;
  border-radius:10px; font-weight:600; font-size:14px;
  transition:top .25s var(--ease); z-index:1000;
}
.skip-link:focus{top:12px;}

:focus-visible{outline:2px solid var(--royal); outline-offset:3px; border-radius:6px;}
.final-cta *:focus-visible, .navbar__actions .btn--whatsapp:focus-visible{outline-color:var(--cyan);}

.section__inner{
  width:100%; max-width:var(--container); margin:0 auto;
  padding-left:var(--pad-inline); padding-right:var(--pad-inline);
}
.section__inner--narrow{max-width:820px;}

.eyebrow{
  font-family:var(--font-body); font-weight:600; font-size:.8125rem;
  text-transform:uppercase; letter-spacing:.14em; color:var(--royal);
  margin-bottom:14px;
}

/* ============ Reveal-on-scroll ============ */
.reveal{opacity:0; transform:translateY(28px); transition:opacity .8s var(--ease), transform .8s var(--ease);}
.reveal.is-visible{opacity:1; transform:translateY(0);}

/* ============ Buttons ============ */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:10px;
  font-family:var(--font-body); font-weight:600; font-size:1rem;
  padding:16px 30px; border-radius:var(--radius-btn);
  transition:transform .25s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease);
  white-space:nowrap; position:relative; overflow:hidden;
}
.btn svg{width:20px; height:20px; flex-shrink:0;}
.btn--primary{
  background:linear-gradient(135deg, var(--navy) 0%, var(--royal) 100%);
  color:#fff; box-shadow:var(--shadow-btn);
}
.btn--primary::after{
  content:""; position:absolute; inset:0;
  background:linear-gradient(115deg, transparent 40%, rgba(255,255,255,.35) 50%, transparent 60%);
  transform:translateX(-120%);
}
.btn--primary:hover::after{transform:translateX(120%); transition:transform .9s var(--ease);}
.btn--primary:hover{transform:translateY(-2px); box-shadow:0 16px 36px rgba(36,107,253,.3);}
.btn--primary:active{transform:translateY(0);}

.btn--ghost{
  background:transparent; color:var(--navy); border:1.5px solid var(--border);
  padding:14.5px 22px; font-size:.9375rem;
}
.btn--ghost:hover{border-color:var(--royal); color:var(--royal); background:rgba(36,107,253,.04);}

.btn--whatsapp{
  background:var(--whatsapp-deep); color:#fff; box-shadow:var(--shadow-whatsapp);
}
.btn--whatsapp:hover{background:var(--whatsapp-deep-hover); transform:translateY(-2px); box-shadow:0 16px 34px rgba(37,211,102,.32);}
.btn--nav{padding:11px 20px; font-size:.9375rem;}
.btn--nav svg{width:18px; height:18px;}

.btn--whatsapp-lg{
  width:100%; max-width:420px; padding:19px 32px; font-size:1.0625rem;
  background:var(--whatsapp-deep); box-shadow:0 16px 40px rgba(0,0,0,.25);
}
.btn--whatsapp-lg:hover{background:var(--whatsapp-deep-hover); box-shadow:0 20px 48px rgba(37,211,102,.35), 0 16px 40px rgba(0,0,0,.25); transform:translateY(-2px);}
.btn--whatsapp-lg svg{width:22px; height:22px;}

/* ============ Navbar ============ */
.navbar{
  position:fixed; top:0; left:0; right:0; z-index:500;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .35s var(--ease), border-color .35s var(--ease), box-shadow .35s var(--ease);
}
.navbar.is-scrolled{
  background:rgba(248,247,244,.78);
  backdrop-filter:blur(16px) saturate(160%);
  -webkit-backdrop-filter:blur(16px) saturate(160%);
  border-bottom-color:var(--border);
  box-shadow:0 4px 24px rgba(21,58,107,.05);
}
.navbar__inner{
  max-width:var(--container); margin:0 auto; padding:16px var(--pad-inline);
  display:flex; align-items:center; justify-content:space-between; gap:24px;
}
.brand{display:flex; align-items:center; gap:12px; perspective:800px; text-align:left;}
.brand__mark{display:block; width:42px; height:42px; flex-shrink:0;}
.brand__mark svg{width:100%; height:100%;}
@media (prefers-reduced-motion:no-preference){
  .brand:hover .brand__mark, .brand:focus-visible .brand__mark{animation:logoSpin .7s var(--ease);}
}
@keyframes logoSpin{from{transform:rotateY(0);} to{transform:rotateY(360deg);}}
.brand__text{display:flex; flex-direction:column; line-height:1.15;}
.brand__name{font-family:var(--font-display); font-weight:800; font-size:1.375rem; color:var(--navy); letter-spacing:-0.02em;}
.brand__tagline{font-size:.625rem; font-weight:700; text-transform:uppercase; letter-spacing:.1em; color:var(--muted);}

.nav__list{display:flex; align-items:center; gap:36px;}
.nav__list a{
  font-size:.9375rem; font-weight:500; color:var(--text); position:relative; padding:6px 0;
}
.nav__list a::after{
  content:""; position:absolute; left:0; right:100%; bottom:0; height:2px;
  background:var(--royal); transition:right .3s var(--ease);
}
.nav__list a:hover::after, .nav__list a:focus-visible::after{right:0;}
.nav__list a:hover{color:var(--navy);}

.navbar__actions{display:flex; align-items:center; gap:14px;}
.navbar__actions .btn--whatsapp span{display:inline;}

.lang-toggle{
  display:inline-flex; align-items:center; justify-content:center;
  height:42px; padding:0 12px; border-radius:10px; flex-shrink:0;
  font-family:var(--font-body); font-weight:700; font-size:.8125rem;
  letter-spacing:.02em; color:var(--navy); border:1.5px solid var(--border);
  transition:border-color .25s var(--ease), color .25s var(--ease), background .25s var(--ease);
}
.lang-toggle:hover{border-color:var(--royal); color:var(--royal); background:rgba(36,107,253,.04);}

.nav-toggle{
  display:flex; flex-direction:column; justify-content:center; align-items:center; gap:5px;
  width:42px; height:42px; border-radius:10px; flex-shrink:0;
}
.nav-toggle:hover{background:rgba(21,58,107,.06);}
.nav-toggle__bar{
  width:20px; height:2px; background:var(--navy); border-radius:2px;
  transition:transform .3s var(--ease), opacity .3s var(--ease);
}
.nav-toggle.is-active .nav-toggle__bar:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-active .nav-toggle__bar:nth-child(2){opacity:0;}
.nav-toggle.is-active .nav-toggle__bar:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

.nav{
  position:absolute; top:100%; left:0; right:0;
  background:var(--card); border-bottom:1px solid var(--border);
  box-shadow:0 16px 32px rgba(21,58,107,.08);
  max-height:0; overflow:hidden;
  transition:max-height .4s var(--ease);
}
.nav.is-open{max-height:460px;}
.nav .nav__list{flex-direction:column; align-items:stretch; gap:0; padding:8px var(--pad-inline) 20px;}
.nav .nav__list a{display:block; padding:14px 4px; font-size:1.0625rem; border-bottom:1px solid var(--border);}
.nav .nav__list li:last-child a{border-bottom:none;}
.nav .nav__list a::after{display:none;}

/* ============ Shared section patterns ============ */
section:not(.hero):not(.trust){padding:var(--space-section) 0;}
.section__head{max-width:640px; margin-bottom:56px;}
.section__head h2{font-weight:700; font-size:clamp(1.75rem,1.5rem + 1.1vw,2.5rem); line-height:1.18; margin-bottom:16px;}
.section__lead{color:var(--muted); font-size:1.0625rem;}

/* ============ Footer ============ */
.site-footer{padding:48px 0; border-top:1px solid var(--border);}
.site-footer__inner{
  display:flex; flex-direction:column; align-items:center; gap:24px; text-align:center;
}
.site-footer .brand__mark{width:34px; height:34px;}
.site-footer .brand__name{font-size:1.125rem;}
.footer-nav{display:flex; flex-wrap:wrap; justify-content:center; gap:24px;}
.footer-nav a{font-size:.875rem; color:var(--muted); font-weight:500;}
.footer-nav a:hover{color:var(--navy);}
.footer-links{
  display:flex; flex-wrap:wrap; justify-content:center; align-items:center;
  gap:10px 28px; max-width:640px;
}
.footer-links a{
  display:inline-flex; align-items:center; gap:8px;
  font-size:.8125rem; font-weight:600; color:var(--muted);
}
.footer-links a:hover{color:var(--navy);}
.footer-links a svg{width:16px; height:16px; flex-shrink:0;}
.footer-links .js-whatsapp{color:var(--whatsapp-deep);}
.footer-links .js-whatsapp:hover{color:var(--whatsapp-deep-hover);}
.site-footer__meta{font-size:.8125rem; color:var(--muted);}

/* ============ Shared breakpoints ============ */
@media (max-width:399px){
  .navbar__actions .btn--whatsapp{
    width:42px; height:42px; padding:0; border-radius:12px;
  }
  .navbar__actions .btn--whatsapp span{
    position:absolute; width:1px; height:1px; overflow:hidden;
    clip:rect(0,0,0,0); white-space:nowrap;
  }
  .navbar__actions .btn--whatsapp svg{width:20px; height:20px;}
  .navbar__inner{gap:8px;}
  .navbar__actions{gap:6px;}
  .lang-toggle{width:34px; height:34px; padding:0; font-size:.6875rem;}
  .brand{gap:8px;}
  .brand__mark{width:34px; height:34px;}
  .brand__name{font-size:1.0625rem;}
  .brand__tagline{font-size:.5625rem;}
}
@media (min-width:1024px){
  .nav{position:static; display:block; max-height:none; background:transparent; border:none; box-shadow:none; overflow:visible;}
  .nav .nav__list{flex-direction:row; align-items:center; gap:36px; padding:0;}
  .nav .nav__list a{padding:6px 0; border-bottom:none; font-size:.9375rem;}
  .nav-toggle{display:none;}
}
@media (min-width:1440px){
  :root{--pad-inline:48px;}
}

/* ============ Reduced motion ============ */
@media (prefers-reduced-motion:reduce){
  *, *::before, *::after{
    animation-duration:.01ms !important; animation-iteration-count:1 !important;
    transition-duration:.01ms !important; scroll-behavior:auto !important;
  }
}