/* ==========================================================================
   Yes Informatics — hand-tuned stylesheet (no build step required)
   Brand: ink #0F172A · brand #2563EB · accent #38BDF8 · success #10B981
   ========================================================================== */
:root{
  --ink:#0F172A; --brand:#2563EB; --accent:#38BDF8; --success:#10B981;
  --surface:#F8FAFC; --night:#020617;
  --text:var(--ink); --bg:var(--surface);
  --card:#ffffff; --line:rgba(15,23,42,.1); --muted:rgba(15,23,42,.68);
  --radius:1.25rem; --site:80rem;
  --font-display:'Space Grotesk',system-ui,sans-serif;
  --font-body:'Inter',system-ui,sans-serif;
}
@media (prefers-color-scheme: dark){
  :root{
    --text:var(--surface); --bg:var(--night);
    --card:rgba(255,255,255,.05); --line:rgba(255,255,255,.12); --muted:rgba(248,250,252,.7);
  }
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font-body);line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--font-display);line-height:1.12;margin:0 0 .5em;letter-spacing:-.015em}
h1{font-size:clamp(2.4rem,6vw,4.4rem);font-weight:700}
h2{font-size:clamp(1.8rem,4vw,2.9rem);font-weight:700}
h3{font-size:1.2rem;font-weight:600}
p{margin:0 0 1em}
.container{max-width:var(--site);margin:0 auto;padding:0 1.5rem}
.font-display{font-family:var(--font-display)}
.text-brand{color:var(--brand)}
.text-muted{color:var(--muted)}
.eyebrow{font-family:var(--font-display);font-size:.8rem;font-weight:600;letter-spacing:.25em;text-transform:uppercase;color:var(--brand);margin-bottom:.9rem}
.lead{font-size:1.15rem;color:var(--muted);max-width:42rem}
.section{padding:5.5rem 0}
.section-tight{padding:3.5rem 0}
.max-w-prose{max-width:46rem}

/* Accessibility */
.skip-link{position:absolute;left:-999px;top:0;background:var(--brand);color:#fff;padding:.6rem 1rem;border-radius:.5rem;z-index:100}
.skip-link:focus{left:1rem;top:1rem}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:4px}

/* Header */
.site-header{position:sticky;top:0;z-index:40}
.glass{background:color-mix(in srgb,var(--bg) 72%,transparent);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding-top:1rem;padding-bottom:1rem}
.logo{font-size:1.15rem;font-weight:700}
.desktop-nav{display:none;align-items:center;gap:2rem}
.nav-link{font-size:.9rem;font-weight:500;transition:color .2s}
.nav-link:hover,.nav-link.is-active{color:var(--brand)}
/* Hamburger button with animated bars -> X */
.menu-btn{background:none;border:0;cursor:pointer;padding:.5rem;display:grid;gap:5px;width:2.75rem;height:2.75rem;place-content:center;border-radius:.6rem;transition:background .2s}
.menu-btn:hover{background:rgba(15,23,42,.06)}
.menu-btn .bar{display:block;width:24px;height:2px;background:currentColor;border-radius:2px;transition:transform .3s ease,opacity .2s ease}
.menu-btn[aria-expanded="true"] .bar:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-btn[aria-expanded="true"] .bar:nth-child(2){opacity:0}
.menu-btn[aria-expanded="true"] .bar:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
/* Mobile dropdown: smooth expand/collapse */
.mobile-nav{overflow:hidden;max-height:0;transition:max-height .35s ease;border-top:1px solid var(--line);background:var(--bg);box-shadow:0 12px 24px -12px rgba(15,23,42,.18)}
.mobile-nav[hidden]{display:block;max-height:0}
.mobile-nav.open{max-height:32rem}
.mobile-nav-inner{padding:.75rem 1.5rem 1.25rem;display:grid;grid-template-columns:1fr;gap:.15rem}
.mobile-nav a{display:block;width:100%}
.mobile-nav a{padding:.85rem .25rem;font-weight:500;font-size:1.05rem;border-bottom:1px solid var(--line);transition:color .2s,padding-left .2s}
.mobile-nav a:last-child{border-bottom:0}
.mobile-nav a:hover,.mobile-nav a.is-active{color:var(--brand);padding-left:.6rem}
.mobile-nav a.mobile-cta{margin-top:.6rem;background:var(--brand);color:#fff;border-radius:999px;text-align:center;border:0;padding:.85rem 1rem}
.mobile-nav a.mobile-cta:hover{padding-left:1rem;opacity:.92}
@media (min-width:1024px){.desktop-nav{display:flex}.menu-btn,.mobile-nav{display:none}}

/* Buttons */
.btn{display:inline-block;border-radius:999px;font-weight:500;padding:.9rem 2rem;transition:transform .2s,box-shadow .2s,opacity .2s;border:0;cursor:pointer;font-size:1rem;font-family:var(--font-body)}
.btn-sm{padding:.6rem 1.3rem;font-size:.9rem}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 25px -8px rgba(37,99,235,.45)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 32px -10px rgba(37,99,235,.5)}
.btn-outline{border:1px solid var(--line);color:var(--text)}
.btn-outline:hover{border-color:var(--brand);color:var(--brand)}
.btn-accent{background:var(--accent);color:var(--ink)}
.btn-accent:hover{transform:translateY(-2px)}

/* Hero + signature aurora */
.hero{position:relative;isolation:isolate;overflow:hidden;padding:7rem 0 5.5rem}
.aurora{position:absolute;inset:0;z-index:-1;background:
  radial-gradient(42rem 28rem at 18% 12%,rgba(37,99,235,.26),transparent 60%),
  radial-gradient(36rem 24rem at 82% 8%,rgba(56,189,248,.2),transparent 55%),
  radial-gradient(30rem 30rem at 55% 95%,rgba(16,185,129,.1),transparent 60%);
  animation:drift 18s ease-in-out infinite alternate}
@keyframes drift{from{transform:translateY(0) scale(1)}to{transform:translateY(-2rem) scale(1.06)}}
.hero h1{max-width:56rem}
.hero .lead{font-size:1.25rem;margin-top:1rem}
.hero-ctas{display:flex;flex-wrap:wrap;gap:1rem;margin-top:2.4rem}
.trust-badges{display:flex;flex-wrap:wrap;gap:.5rem 2rem;margin:2.4rem 0 0;padding:0;list-style:none;font-size:.9rem;color:var(--muted)}
.trust-badges li::before{content:"✓ ";color:var(--success);font-weight:600}
.stats{display:grid;grid-template-columns:repeat(2,1fr);gap:2rem;border-top:1px solid var(--line);margin-top:3.5rem;padding-top:2.5rem}
@media (min-width:640px){.stats{grid-template-columns:repeat(4,1fr)}}
.stat-value{font-family:var(--font-display);font-size:2.4rem;font-weight:700;color:var(--brand)}
.stat-label{font-size:.85rem;color:var(--muted)}

/* Cards & grids */
.grid{display:grid;gap:1.5rem}
.grid-2{grid-template-columns:1fr}
.grid-3{grid-template-columns:1fr}
.grid-4{grid-template-columns:1fr}
@media (min-width:640px){.grid-2,.grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:1.8rem;transition:transform .25s,box-shadow .25s,border-color .25s;display:flex;flex-direction:column}
a.card:hover{transform:translateY(-4px);box-shadow:0 22px 40px -18px rgba(15,23,42,.28);border-color:rgba(37,99,235,.4)}
.card h3{transition:color .2s}
a.card:hover h3{color:var(--brand)}
.card .more{margin-top:auto;padding-top:1.2rem;font-size:.9rem;font-weight:500;color:var(--brand)}
.card-media{border-radius:var(--radius);overflow:hidden;aspect-ratio:16/10;background:linear-gradient(135deg,rgba(37,99,235,.85),rgba(56,189,248,.75));display:flex;align-items:flex-end;padding:1.4rem;color:#fff;font-family:var(--font-display);font-weight:600;margin-bottom:1.2rem}

/* Dark band sections */
.band{background:var(--ink);color:var(--surface);padding:5.5rem 0}
@media (prefers-color-scheme: dark){.band{background:rgba(255,255,255,.05)}}
.band .reason{border-left:2px solid var(--accent);padding-left:1.4rem}
.band .reason p{color:rgba(248,250,252,.75);font-size:.95rem}
.band h2{color:inherit}

/* Process */
.step-tag{font-family:var(--font-display);font-size:.8rem;font-weight:700;color:var(--accent)}

/* Testimonials */
.quote{font-style:normal}
.quote .stars{color:var(--brand);font-size:.9rem;letter-spacing:2px}
.quote-photo{width:3.25rem;height:3.25rem;border-radius:999px;object-fit:cover;margin-bottom:.75rem;border:2px solid var(--line)}
.card-thumb{border-radius:.75rem;overflow:hidden;aspect-ratio:16/10;margin-bottom:1rem;background:var(--line)}
.card-thumb img{width:100%;height:100%;object-fit:cover}
.quote blockquote{margin:1rem 0 1.4rem;flex:1}
.quote footer{font-size:.9rem}
.quote footer span{color:var(--muted)}

/* FAQ */
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line);padding:1.25rem 0}
.faq summary{cursor:pointer;font-family:var(--font-display);font-weight:600;list-style:none;display:flex;justify-content:space-between;gap:1rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{margin:.9rem 0 0;color:var(--muted)}

/* CTA banner */
.cta-banner{position:relative;isolation:isolate;overflow:hidden;background:var(--ink);color:var(--surface);border-radius:var(--radius);padding:4rem 2rem;text-align:center}
.cta-banner .aurora{opacity:.6}
.cta-banner h2{color:#fff}
.cta-banner p{color:rgba(248,250,252,.85);max-width:36rem;margin:0 auto 1em}

/* Forms */
.field{margin-bottom:1.2rem}
.field label{display:block;font-size:.9rem;font-weight:500;margin-bottom:.35rem}
.field input,.field textarea{width:100%;border:1px solid var(--line);background:var(--card);color:var(--text);border-radius:.6rem;padding:.85rem 1rem;font:inherit}
.field input:focus,.field textarea:focus{border-color:var(--brand);outline:2px solid rgba(37,99,235,.25)}
.hp{position:absolute;left:-9999px;opacity:0;height:0;overflow:hidden}
.form-error{color:#dc2626;font-size:.9rem}

/* Contact layout */
.split{display:grid;gap:3rem}
@media (min-width:1024px){.split{grid-template-columns:1fr 1fr}}
.map-frame{width:100%;height:16rem;border:0;border-radius:var(--radius)}
.map-placeholder{height:16rem;border-radius:var(--radius);background:var(--card);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:.9rem}
.contact-list{display:grid;gap:.9rem;font-size:.95rem}
.contact-list strong{display:block}
.contact-list a{color:var(--brand)}

/* Pricing */
.plan.highlight{border-color:var(--brand);box-shadow:0 24px 48px -20px rgba(37,99,235,.35)}
.plan .price{font-family:var(--font-display);font-size:2rem;font-weight:700;margin:.6rem 0}
.plan .price small{font-size:1rem;font-weight:400;color:var(--muted)}
.plan ul{list-style:none;margin:1rem 0 1.6rem;padding:0;display:grid;gap:.5rem;font-size:.92rem}
.plan li::before{content:"✓ ";color:var(--success);font-weight:600}

/* Detail pages */
.checklist{list-style:none;padding:0;margin:2.5rem 0;display:grid;gap:1rem}
@media (min-width:640px){.checklist{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.checklist{grid-template-columns:repeat(3,1fr)}}
.checklist li{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:1rem 1.4rem;font-weight:500}
.results-panel{background:var(--ink);color:#fff;border-radius:var(--radius);padding:2rem}
@media (prefers-color-scheme: dark){.results-panel{background:rgba(255,255,255,.08)}}
.results-panel h2{font-size:.8rem;letter-spacing:.25em;text-transform:uppercase;color:var(--accent)}
.results-panel dd{margin:0;font-family:var(--font-display);font-size:2rem;font-weight:700}
.results-panel dt{font-size:.85rem;opacity:.7;margin-top:1.1rem}
.tags{display:flex;flex-wrap:wrap;gap:.5rem;list-style:none;padding:0}
.tags li{border:1px solid var(--line);border-radius:999px;padding:.25rem .8rem;font-size:.85rem}
.pull-quote{border-left:4px solid var(--brand);background:var(--card);border-radius:var(--radius);padding:1.8rem;margin:2rem 0}
.pull-quote p{font-size:1.05rem;font-style:italic}

/* Uploaded content images */
.logo-img{height:30px;width:auto;max-width:min(58vw,16rem);object-fit:contain;display:block}
@media (prefers-color-scheme: dark){.logo-img{filter:brightness(0) invert(1)}}
.content-img{width:100%;border-radius:var(--radius);border:1px solid var(--line)}
.side-img{position:sticky;top:6rem}
.card-media.has-img{padding:0;background:var(--card)}
.card-media.has-img img{width:100%;height:100%;object-fit:cover;border-radius:var(--radius)}
.checklist-narrow{grid-template-columns:1fr!important}
@media (min-width:640px){.checklist-narrow{grid-template-columns:repeat(2,1fr)!important}}

/* Footer */
.site-footer{background:var(--ink);color:var(--surface);margin-top:4rem}
.footer-grid{display:grid;gap:2.5rem;padding-top:4rem;padding-bottom:3rem}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.footer-grid{grid-template-columns:repeat(4,1fr)}}
.footer-brand{font-size:1.1rem;font-weight:700;margin-bottom:.4rem}
.footer-muted{color:rgba(248,250,252,.65);font-size:.9rem;margin:0 0 .4rem}
.footer-heading{font-family:var(--font-display);font-size:.78rem;font-weight:600;letter-spacing:.2em;text-transform:uppercase;color:var(--accent);margin:0 0 1rem}
.footer-grid nav{display:grid;gap:.55rem;align-content:start}
.footer-grid nav a{font-size:.92rem;color:rgba(248,250,252,.8)}
.footer-grid nav a:hover{color:#fff}
.footer-bottom{display:flex;flex-wrap:wrap;gap:1rem;justify-content:space-between;border-top:1px solid rgba(255,255,255,.12);padding-top:1.5rem;padding-bottom:1.5rem;font-size:.88rem;color:rgba(248,250,252,.65)}
.footer-socials{display:flex;gap:.6rem;list-style:none;margin:0;padding:0}
.footer-socials a{display:flex;align-items:center;justify-content:center;width:2.4rem;height:2.4rem;border-radius:999px;border:1px solid rgba(255,255,255,.18);color:rgba(248,250,252,.8);transition:color .2s,border-color .2s,transform .2s}
.footer-socials a:hover{color:var(--accent);border-color:var(--accent);transform:translateY(-2px)}
.footer-socials svg{display:block}

/* WhatsApp floating button */
.whatsapp-fab{position:fixed;bottom:1.5rem;right:1.5rem;z-index:40;width:3.4rem;height:3.4rem;border-radius:999px;background:var(--success);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 14px 30px -8px rgba(16,185,129,.55);transition:transform .2s}
.whatsapp-fab:hover{transform:scale(1.07)}

/* Reveal-on-scroll */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s cubic-bezier(.21,.65,.32,.95),transform .6s cubic-bezier(.21,.65,.32,.95)}
.reveal.visible{opacity:1;transform:none}
.no-js .reveal{opacity:1;transform:none}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  .aurora{animation:none}
  .reveal{opacity:1;transform:none;transition:none}
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}
}