/* rtex.tech — design system + components
   Tokens follow Kahf Guard brand guideline (green #39B635, ink #222, blue #0086FF). */
:root{
  --green:#39B635; --green-dark:#2A8F27; --green-soft:#EAF7E9;
  --ink:#222222; --ink-2:#4A4A55; --muted:#6B6B78;
  --blue:#0086FF; --grey:#DEDEEF; --paper:#F7F8FA; --white:#fff;
  --amber:#F5A524; --radius:20px; --radius-sm:12px;
  --shadow:0 1px 2px rgba(20,20,40,.04),0 8px 30px rgba(20,20,40,.06);
  --shadow-lg:0 30px 80px -20px rgba(20,40,20,.25);
  --max:1200px; --gutter:24px;
  --font-h:"Poppins",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-b:"Lato",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font-b);font-size:17px;line-height:1.65;color:var(--ink-2);background:var(--white);-webkit-font-smoothing:antialiased}
img,svg{max-width:100%;display:block}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{font-family:var(--font-h);color:var(--ink);line-height:1.15;margin:0 0 .5em;letter-spacing:-.02em}
h1{font-size:clamp(2.3rem,5.2vw,4.1rem);font-weight:700}
h2{font-size:clamp(1.8rem,3.4vw,2.7rem);font-weight:700}
h3{font-size:1.25rem;font-weight:600;letter-spacing:-.01em}
p{margin:0 0 1em}
:focus-visible{outline:3px solid var(--blue);outline-offset:3px;border-radius:6px}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:#fff;padding:10px 16px;border-radius:8px;z-index:100}
.skip:focus{left:8px}
.container{max-width:var(--max);margin:0 auto;padding:0 var(--gutter)}
.section{padding:clamp(64px,9vw,120px) 0}
.section--paper{background:var(--paper)}
.section--dark{background:#121614;color:#C9D1CB}
.section--dark h2,.section--dark h3{color:#fff}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-h);font-size:.8rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--green-dark);margin-bottom:16px}
.section--dark .eyebrow{color:#7EDB7A}
.eyebrow::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--green)}
.lead{font-size:1.2rem;color:var(--muted);max-width:640px}
.section--dark .lead{color:#AEB8B0}
.center{text-align:center}.center .lead{margin-left:auto;margin-right:auto}
.section-head{margin-bottom:clamp(36px,5vw,60px)}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font-family:var(--font-h);font-weight:600;font-size:1rem;padding:14px 26px;border-radius:999px;border:2px solid transparent;cursor:pointer;transition:transform .15s,background .15s,box-shadow .15s;text-decoration:none!important;line-height:1.2}
.btn:hover{transform:translateY(-1px)}
.btn--primary{background:var(--green);color:#fff;box-shadow:0 8px 20px -8px rgba(57,182,53,.7)}
.btn--primary:hover{background:var(--green-dark)}
.btn--ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn--ghost:hover{background:var(--ink);color:#fff}
.btn--light{background:#fff;color:var(--ink)}
.btn--sm{padding:10px 18px;font-size:.92rem}
.btn-row{display:flex;flex-wrap:wrap;gap:12px}
.arrow::after{content:"→";transition:transform .15s}
.link-arrow{font-family:var(--font-h);font-weight:600;color:var(--green-dark)}
.link-arrow::after{content:" →"}

/* Header */
.header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.88);backdrop-filter:saturate(180%) blur(14px);-webkit-backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid rgba(34,34,34,.06)}
.header__in{display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px}
.logo{display:inline-flex;align-items:baseline;gap:2px;font-family:var(--font-h);font-weight:700;font-size:1.45rem;color:var(--ink);letter-spacing:-.03em;text-decoration:none!important}
.logo b{color:var(--green)}
.logo small{font-size:.62rem;font-weight:600;letter-spacing:.14em;color:var(--muted);margin-left:6px;text-transform:uppercase}
.nav{display:flex;align-items:center;gap:6px}
.nav a{font-family:var(--font-h);font-size:.95rem;font-weight:500;color:var(--ink);padding:8px 14px;border-radius:999px}
.nav a:hover{background:var(--paper);text-decoration:none}
.nav a[aria-current="page"]{color:var(--green-dark);background:var(--green-soft)}
.nav .btn{margin-left:10px;color:#fff;padding:10px 20px}
.nav .btn:hover{background:var(--green-dark)}
.menu-btn{display:none;background:none;border:0;padding:10px;cursor:pointer}
.menu-btn span{display:block;width:24px;height:2px;background:var(--ink);margin:5px 0;transition:.2s}
@media (max-width:1080px){
  .menu-btn{display:block}
  .nav{position:fixed;inset:72px 0 auto 0;flex-direction:column;align-items:stretch;background:#fff;padding:16px var(--gutter) 28px;border-bottom:1px solid var(--grey);box-shadow:var(--shadow);transform:translateY(-130%);transition:transform .25s;gap:2px}
  .nav.open{transform:none}
  .nav a{padding:14px 12px;font-size:1.05rem}
  .nav .btn{margin:12px 0 0}
}

/* Hero */
.hero{position:relative;overflow:hidden;padding:clamp(48px,7vw,96px) 0 clamp(64px,8vw,110px);background:radial-gradient(1200px 500px at 85% 10%,#E8F6E7 0,rgba(232,246,231,0) 60%),linear-gradient(#fff,#fff)}
.hero__grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero h1 span{color:var(--green)}
.hero .lead{margin-bottom:32px}
.hero__note{margin-top:28px;font-size:.92rem;color:var(--muted);display:flex;align-items:center;gap:10px}
.hero__note svg{width:20px;height:20px;flex:none}
.hero__visual{position:relative}
.hero__visual .glow{position:absolute;inset:10% 5% 0;background:radial-gradient(closest-side,rgba(57,182,53,.28),rgba(57,182,53,0));filter:blur(20px)}
.hero__visual svg{position:relative;width:100%;height:auto;filter:drop-shadow(0 40px 50px rgba(20,60,20,.18))}
.chip{position:absolute;background:#fff;border-radius:16px;box-shadow:var(--shadow);padding:12px 16px;font-family:var(--font-h);font-size:.85rem;font-weight:600;color:var(--ink);display:flex;align-items:center;gap:10px}
.chip i{width:10px;height:10px;border-radius:50%;background:var(--green);box-shadow:0 0 0 4px var(--green-soft)}
.chip--a{top:8%;left:-2%}.chip--b{bottom:12%;right:-2%}
@media (max-width:900px){.hero__grid{grid-template-columns:1fr}.hero__visual{max-width:520px;margin:0 auto}.chip--a{left:0}.chip--b{right:0}}
.page-hero{padding:clamp(56px,7vw,96px) 0 clamp(40px,5vw,64px);background:radial-gradient(900px 380px at 90% 0,#E8F6E7 0,rgba(232,246,231,0) 60%)}
.page-hero .lead{margin-bottom:28px}
.crumbs{font-size:.88rem;color:var(--muted);margin-bottom:18px}.crumbs a{color:var(--muted)}

/* Trust strip */
.trust{border-top:1px solid var(--grey);border-bottom:1px solid var(--grey);background:#fff}
.trust__row{display:grid;grid-template-columns:repeat(4,1fr)}
.trust__item{display:flex;align-items:center;gap:14px;padding:26px 20px;font-family:var(--font-h);font-weight:600;color:var(--ink);font-size:.98rem}
.trust__item+.trust__item{border-left:1px solid var(--grey)}
.trust__item svg{width:28px;height:28px;flex:none;color:var(--green)}
.trust__item small{display:block;font-family:var(--font-b);font-weight:400;color:var(--muted);font-size:.84rem}
@media (max-width:900px){.trust__row{grid-template-columns:1fr 1fr}.trust__item:nth-child(3){border-left:0}.trust__item:nth-child(n+3){border-top:1px solid var(--grey)}}
@media (max-width:480px){.trust__row{grid-template-columns:1fr}.trust__item{border-left:0!important;border-top:1px solid var(--grey)}.trust__item:first-child{border-top:0}}

/* Grids & cards */
.grid{display:grid;gap:var(--gutter)}
.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
@media (max-width:1080px){.g4{grid-template-columns:repeat(2,1fr)}}
@media (max-width:760px){.g2,.g3,.g4{grid-template-columns:1fr}}
.card{background:#fff;border:1px solid var(--grey);border-radius:var(--radius);padding:32px;transition:box-shadow .2s,transform .2s}
.card:hover{box-shadow:var(--shadow);transform:translateY(-2px)}
.section--paper .card{border-color:transparent}
.card .ico{width:52px;height:52px;border-radius:14px;background:var(--green-soft);color:var(--green-dark);display:grid;place-items:center;margin-bottom:20px}
.card .ico svg{width:26px;height:26px}
.card p:last-child{margin-bottom:0}
.section--dark .card{background:#1B211D;border-color:#27302A}
.section--dark .card .ico{background:#203A21;color:#7EDB7A}

/* Feature product */
.feature{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.feature__media{background:linear-gradient(160deg,#F2F8F1,#E3F1E2);border-radius:28px;padding:48px;position:relative}
.feature__media .badge{position:absolute;top:20px;left:20px}
.benefits{display:grid;grid-template-columns:1fr 1fr;gap:22px 28px;margin:28px 0 34px;padding:0;list-style:none}
.benefits li{display:flex;gap:12px}
.benefits svg{width:22px;height:22px;flex:none;color:var(--green);margin-top:3px}
.benefits strong{display:block;color:var(--ink);font-family:var(--font-h);font-weight:600;font-size:1rem}
.benefits span{font-size:.95rem;color:var(--muted)}
@media (max-width:900px){.feature{grid-template-columns:1fr;gap:36px}.benefits{grid-template-columns:1fr}}

/* Badges */
.badge{display:inline-flex;align-items:center;gap:6px;font-family:var(--font-h);font-size:.74rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;padding:6px 12px;border-radius:999px}
.badge--live{background:var(--green-soft);color:var(--green-dark)}
.badge--live::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--green)}
.badge--soon{background:#FFF4E0;color:#9A5B00}
.badge--dev{background:#EEEEF7;color:#55556A}

/* Product cards */
.pcard{display:flex;flex-direction:column;background:#fff;border:1px solid var(--grey);border-radius:var(--radius);overflow:hidden;transition:.2s}
.pcard:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.pcard__media{aspect-ratio:4/3;background:linear-gradient(160deg,#F6F8F6,#ECEFF0);display:grid;place-items:center;position:relative;padding:28px}
.pcard__media svg{max-height:100%;width:auto}
.pcard__media .badge{position:absolute;top:16px;left:16px}
.pcard--soon .pcard__media{background:linear-gradient(160deg,#F7F7FB,#ECECF4)}
.pcard__body{padding:24px 26px 28px;display:flex;flex-direction:column;flex:1}
.pcard__body p{font-size:.96rem;color:var(--muted)}
.pcard__body .btn,.pcard__body .link-arrow{margin-top:auto;align-self:flex-start}

/* Label explainer */
.label-box{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:center}
.label{background:#fff;color:#222;border-radius:16px;padding:26px 28px;font-family:"Courier New",monospace;font-size:.88rem;line-height:1.7;box-shadow:var(--shadow-lg);border:1px dashed #BBB;transform:rotate(-2deg);max-width:420px}
.label hr{border:0;border-top:1px dashed #BBB;margin:10px 0}
.label mark{background:#DFF5DD;color:#1D5F1B;padding:1px 4px;border-radius:4px;font-weight:700}
@media (max-width:900px){.label-box{grid-template-columns:1fr}.label{margin:0 auto}}

/* Steps */
.steps{counter-reset:s;display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gutter)}
.steps--3{grid-template-columns:repeat(3,1fr)}
.step{position:relative;padding-top:58px}
.step::before{counter-increment:s;content:counter(s,decimal-leading-zero);position:absolute;top:0;left:0;font-family:var(--font-h);font-weight:700;font-size:1.05rem;color:var(--green-dark);width:42px;height:42px;border-radius:50%;background:var(--green-soft);display:grid;place-items:center}
.step h3{font-size:1.1rem}
.step p{font-size:.96rem;color:var(--muted)}
@media (max-width:900px){.steps,.steps--3{grid-template-columns:1fr 1fr}}
@media (max-width:480px){.steps,.steps--3{grid-template-columns:1fr}}

/* CTA band */
.band{background:linear-gradient(120deg,#1A2A1B,#123015 55%,#0E2410);color:#C9D7CA;border-radius:32px;padding:clamp(40px,6vw,72px);display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center;position:relative;overflow:hidden}
.band::after{content:"";position:absolute;right:-120px;top:-120px;width:380px;height:380px;border-radius:50%;background:radial-gradient(closest-side,rgba(57,182,53,.45),transparent)}
.band h2{color:#fff}
.band ul{list-style:none;padding:0;margin:0;display:grid;gap:12px;position:relative;z-index:1}
.band li{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:14px;padding:14px 18px;color:#fff;font-family:var(--font-h);font-weight:500;display:flex;gap:12px;align-items:center}
.band li svg{width:20px;height:20px;color:#7EDB7A;flex:none}
@media (max-width:900px){.band{grid-template-columns:1fr}}

/* FAQ */
.faq{max-width:860px;margin:0 auto}
.faq details{border-bottom:1px solid var(--grey);padding:6px 0}
.faq summary{list-style:none;cursor:pointer;font-family:var(--font-h);font-weight:600;font-size:1.08rem;color:var(--ink);padding:20px 40px 20px 0;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:4px;top:50%;transform:translateY(-50%);font-size:1.6rem;font-weight:400;color:var(--green-dark);transition:transform .2s}
.faq details[open] summary::after{transform:translateY(-50%) rotate(45deg)}
.faq details p{padding:0 40px 18px 0;color:var(--muted)}

/* Spec table */
.spec{width:100%;border-collapse:collapse;font-size:.98rem;background:#fff;border-radius:var(--radius);overflow:hidden;border:1px solid var(--grey)}
.spec th,.spec td{padding:16px 22px;text-align:left;border-bottom:1px solid var(--grey);vertical-align:top}
.spec thead th{background:var(--ink);color:#fff;font-family:var(--font-h);font-weight:600}
.spec tbody th{font-family:var(--font-h);font-weight:600;color:var(--ink);width:30%;background:var(--paper)}
.spec tr:last-child th,.spec tr:last-child td{border-bottom:0}
.tbc{color:#9A5B00;background:#FFF4E0;border-radius:6px;padding:2px 8px;font-size:.85rem;font-family:var(--font-h);font-weight:600}
.table-wrap{overflow-x:auto;border-radius:var(--radius)}

/* Forms */
.form-card{background:#fff;border-radius:28px;padding:clamp(28px,4vw,48px);box-shadow:var(--shadow);border:1px solid var(--grey)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px 20px}
.form-grid .full{grid-column:1/-1}
@media (max-width:640px){.form-grid{grid-template-columns:1fr}}
.field label,.field legend{display:block;font-family:var(--font-h);font-weight:600;font-size:.9rem;color:var(--ink);margin-bottom:8px}
.field .req{color:#D23}
.field input,.field select,.field textarea{width:100%;font:inherit;font-size:1rem;color:var(--ink);background:var(--paper);border:1.5px solid transparent;border-radius:var(--radius-sm);padding:13px 16px;transition:.15s;appearance:none}
.field select{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none' stroke='%23222' stroke-width='2'%3E%3Cpath d='M1 1l5 5 5-5'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 16px center;padding-right:40px}
.field textarea{min-height:130px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--green);background:#fff;box-shadow:0 0 0 4px var(--green-soft)}
.field.invalid input,.field.invalid select,.field.invalid textarea{border-color:#D23;background:#FFF6F6}
.field .err{display:none;color:#C21;font-size:.84rem;margin-top:6px}
.field.invalid .err{display:block}
.field .hint{font-size:.84rem;color:var(--muted);margin-top:6px}
fieldset.field{border:0;padding:0;margin:0}
.checks{display:flex;flex-wrap:wrap;gap:10px}
.checks label{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-b);font-weight:400;font-size:.95rem;background:var(--paper);border:1.5px solid transparent;border-radius:999px;padding:9px 16px;cursor:pointer;margin:0}
.checks label:has(input:checked){border-color:var(--green);background:var(--green-soft);color:var(--green-dark)}
.checks input{accent-color:var(--green);width:16px;height:16px}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:.92rem;font-weight:400!important;font-family:var(--font-b)!important;color:var(--muted)!important}
.consent input{width:18px;height:18px;accent-color:var(--green);margin-top:3px;flex:none}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form-success{display:none;text-align:center;padding:40px 10px}
.form-success svg{width:64px;height:64px;color:var(--green);margin:0 auto 16px}
form.sent{display:none}form.sent+.form-success{display:block}
.inline-form{display:flex;gap:10px;max-width:480px;flex-wrap:wrap}
.inline-form input{flex:1 1 220px;font:inherit;padding:14px 20px;border-radius:999px;border:1.5px solid var(--grey);background:#fff}
.inline-form input:focus{outline:none;border-color:var(--green);box-shadow:0 0 0 4px var(--green-soft)}
.inline-form.invalid input{border-color:#D23}
.inline-ok{display:none;font-family:var(--font-h);font-weight:600;color:var(--green-dark)}
.inline-form.sent{display:none}.inline-form.sent+.inline-ok{display:block}

/* Contact */
.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:48px;align-items:start}
@media (max-width:900px){.contact-grid{grid-template-columns:1fr}}
.cinfo{display:grid;gap:14px}
.cinfo a,.cinfo div{display:flex;gap:16px;align-items:flex-start;background:#fff;border:1px solid var(--grey);border-radius:16px;padding:18px 20px;color:var(--ink-2);text-decoration:none}
.cinfo a:hover{border-color:var(--green)}
.cinfo svg{width:24px;height:24px;color:var(--green);flex:none;margin-top:2px}
.cinfo strong{display:block;font-family:var(--font-h);color:var(--ink);font-size:.98rem}
.map{border-radius:var(--radius);overflow:hidden;background:linear-gradient(135deg,#EEF2EE,#E2E8E3);min-height:240px;display:grid;place-items:center;color:var(--muted);font-size:.9rem;text-align:center;padding:20px;border:1px solid var(--grey)}

/* Stats */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gutter)}
.stat{border-left:3px solid var(--green);padding:4px 0 4px 20px}
.stat b{display:block;font-family:var(--font-h);font-size:2.2rem;color:var(--ink);letter-spacing:-.03em;line-height:1.1}
.stat span{font-size:.92rem;color:var(--muted)}
@media (max-width:760px){.stats{grid-template-columns:1fr}}

/* Prose */
.prose{max-width:760px}
.prose h2{font-size:1.6rem;margin-top:1.6em}
.prose h3{margin-top:1.4em}
.prose ul{padding-left:1.2em}
.prose li{margin-bottom:.4em}
.notice{background:#FFF8EA;border:1px solid #F3DDAE;color:#7A4E00;border-radius:14px;padding:16px 20px;font-size:.94rem;margin-bottom:28px}

/* Footer */
.footer{background:#0F1311;color:#9BA59D;padding:80px 0 32px;font-size:.95rem}
.footer a{color:#C9D1CB}
.footer a:hover{color:#fff}
.footer__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr 1.2fr;gap:36px}
.footer h4{color:#fff;font-size:.95rem;margin-bottom:16px;letter-spacing:0}
.footer ul{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.footer .logo{color:#fff;margin-bottom:14px}
.footer__importer{margin-top:56px;padding:22px 0;border-top:1px solid #222A25;border-bottom:1px solid #222A25;font-size:.88rem}
.footer__bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;padding-top:24px;font-size:.85rem}
.social{display:flex;gap:10px;margin-top:18px}
.social a{width:40px;height:40px;border-radius:50%;background:#1B211D;display:grid;place-items:center}
.social svg{width:18px;height:18px}
@media (max-width:1080px){.footer__grid{grid-template-columns:1fr 1fr 1fr}.footer__brand{grid-column:1/-1}}
@media (max-width:560px){.footer__grid{grid-template-columns:1fr 1fr}}

/* WhatsApp float */
.wa{position:fixed;right:20px;bottom:20px;z-index:60;width:58px;height:58px;border-radius:50%;background:#25D366;color:#fff;display:grid;place-items:center;box-shadow:0 10px 30px -6px rgba(0,0,0,.35)}
.wa svg{width:30px;height:30px}

/* Reveal */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.reveal{opacity:1;transform:none;transition:none}*{transition:none!important}}
.field input[type=checkbox]{appearance:auto;-webkit-appearance:checkbox;width:18px;height:18px;padding:0;border:0;background:none;flex:none}