/*
  Signature Trust v3 design system
  Shared CSS for all v3-ported pages.
  Page-specific components live inline in each page <style> block.
*/

/* ----- Tokens ----- */
:root{
  --red:#B80131;
  --red-dk:#85091D;
  --red-soft:#D8425E;
  --black:#0A0A0A;
  --paper:#FAF8F4;
  --white:#FFFFFF;
  --grey:#7A7A7A;
  --grey-2:#444;
  --line:#E6E2DA;
  --line-dark:#1A1A1A;

  --font-sans:"Inter Tight",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;

  --container:1200px;
  --pad-x:clamp(20px,4vw,56px);
  --pad-y:clamp(64px,8vw,112px);

  --z-nav:10;
  --z-util:20;
  --z-modal:30;
  --z-toast:50;
}

/* ----- Reset ----- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{
  font-family:var(--font-sans);
  font-size:17px;
  font-weight:400;
  line-height:1.6;
  color:var(--black);
  background:var(--white);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  text-rendering:optimizeLegibility;
}
img,svg,video{max-width:100%;display:block}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}

/* ----- Typography ----- */
h1,h2,h3,h4,h5,h6{
  font-family:var(--font-sans);
  font-weight:600;
  letter-spacing:-0.02em;
  line-height:1.1;
  color:var(--black);
}
h1{font-size:clamp(56px,7vw,88px);font-weight:700;letter-spacing:-0.03em;line-height:1.0}
h2{font-size:clamp(36px,5vw,48px);letter-spacing:-0.02em;line-height:1.1}
h3{font-size:24px;letter-spacing:-0.01em}
h4{font-size:18px}
h5{font-size:15px;text-transform:uppercase;letter-spacing:0.12em;font-weight:600}
h6{font-size:13px;text-transform:uppercase;letter-spacing:0.16em;font-weight:600}

p{font-size:17px;line-height:1.6;color:var(--grey-2)}
@media (max-width:640px){
  body,p{font-size:16px}
}

.lede{font-size:clamp(18px,2vw,20px);line-height:1.55;color:var(--grey-2);font-weight:400;max-width:640px}
.meta{font-size:13px;letter-spacing:0.16em;text-transform:uppercase;font-weight:600;color:var(--grey)}
.kicker{font-size:13px;letter-spacing:0.16em;text-transform:uppercase;font-weight:600;color:var(--red);display:inline-block;margin-bottom:24px}

a.text-link{color:var(--red);text-decoration:none;border-bottom:1px solid currentColor;padding-bottom:1px;transition:color .2s ease}
a.text-link:hover{color:var(--red-dk)}

/* ----- Layout ----- */
.container{max-width:var(--container);margin:0 auto;padding-left:var(--pad-x);padding-right:var(--pad-x)}
.section{padding-top:var(--pad-y);padding-bottom:var(--pad-y)}
.section-tight{padding-top:48px;padding-bottom:48px}
.bg-paper{background:var(--paper)}
.bg-white{background:var(--white)}
.bg-black{background:var(--black);color:var(--white)}
.bg-black h1,.bg-black h2,.bg-black h3,.bg-black h4{color:var(--white)}
.bg-black p{color:#cfcfcf}

.hairline{border-top:1px solid var(--line)}
.hairline-b{border-bottom:1px solid var(--line)}

/* ----- Util bar (hidden site-wide per feedback 2026-05-16) ----- */
.util-bar{
  display:none;
  background:var(--red);
  color:var(--white);
  font-size:13px;
  position:relative;
  z-index:var(--z-util);
}
.util-bar-inner{
  max-width:var(--container);
  margin:0 auto;
  padding:8px var(--pad-x);
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:24px;
  flex-wrap:wrap;
}
.util-bar a{color:inherit;opacity:.92;transition:opacity .2s ease}
.util-bar a:hover{opacity:1}
.util-bar .util-left,.util-bar .util-right{display:flex;gap:20px;align-items:center;flex-wrap:wrap}

/* ----- Nav ----- */
.nav-v3{
  position:sticky;
  top:0;
  background:var(--white);
  border-bottom:2px solid var(--red);
  z-index:var(--z-nav);
}
.nav-v3-inner{
  max-width:var(--container);
  margin:0 auto;
  padding:16px var(--pad-x);
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:32px;
}
.nav-v3-brand{display:flex;align-items:center;gap:12px}
.nav-v3-brand img{height:36px;width:auto}
.nav-v3-links{
  display:flex;
  gap:28px;
  align-items:center;
  margin-left:auto;
}
.nav-v3-links > li > a{
  font-size:14px;
  font-weight:500;
  letter-spacing:0.02em;
  color:var(--black);
  padding:6px 0;
  border-bottom:2px solid transparent;
  transition:border-color .2s ease,color .2s ease;
}
.nav-v3-links > li > a:hover{border-bottom-color:var(--red)}
.nav-v3-links .has-dropdown{position:relative}
.nav-v3-links .has-dropdown .chevron{font-size:9px;margin-left:4px;color:var(--grey)}
.nav-v3-dropdown{
  position:absolute;
  top:calc(100% + 8px);
  left:0;
  min-width:240px;
  background:var(--white);
  border:1px solid var(--line);
  padding:12px 0;
  opacity:0;
  visibility:hidden;
  transform:translateY(-4px);
  transition:opacity .15s ease,transform .15s ease,visibility .15s;
  box-shadow:0 4px 24px rgba(0,0,0,.06);
}
.nav-v3-links .has-dropdown:hover > .nav-v3-dropdown,
.nav-v3-links .has-dropdown.open > .nav-v3-dropdown{
  opacity:1;
  visibility:visible;
  transform:translateY(0);
}
.nav-v3-dropdown li a{
  display:block;
  padding:8px 20px;
  font-size:14px;
  color:var(--black);
  transition:background .15s ease,color .15s ease;
}
.nav-v3-dropdown li a:hover{background:var(--paper);color:var(--red)}

.nav-v3-cta{
  display:inline-block;
  padding:14px 44px;
  background:var(--red);
  color:var(--white) !important;
  font-size:13px;
  letter-spacing:0.08em;
  text-transform:uppercase;
  font-weight:600;
  border:0;
  border-radius:999px;
  transition:transform .25s ease, box-shadow .25s ease, background .25s ease;
  box-shadow:0 0 0 0 rgba(184,1,49,0);
}
.nav-v3-cta:hover{
  background:var(--red-dk);
  transform:translateY(-2px);
  box-shadow:0 12px 28px -10px rgba(184,1,49,0.55);
  border-bottom-color:transparent !important;
}

.nav-v3-toggle{
  display:none;
  font-size:22px;
  padding:8px;
}

/* ----- Buttons ----- */
.btn{
  display:inline-block;
  padding:14px 28px;
  font-size:13px;
  font-weight:600;
  letter-spacing:0.08em;
  text-transform:uppercase;
  text-align:center;
  border:0;
  cursor:pointer;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--red);color:var(--white)}
.btn-primary:hover{background:var(--red-dk)}
.btn-ghost{background:transparent;color:var(--black);border:1px solid var(--black)}
.btn-ghost:hover{background:var(--black);color:var(--white)}
.btn-ghost-white{background:transparent;color:var(--white);border:1px solid var(--white)}
.btn-ghost-white:hover{background:var(--white);color:var(--black)}

/* ----- Section header (no kicker by default, hero is the exception) ----- */
.section-head{margin-bottom:48px;max-width:720px}
.section-head h2{margin-bottom:16px}
.section-head .lede{margin-top:16px}

/* ----- Hero ----- */
.hero{padding:120px 0 96px}
.hero h1{margin-bottom:24px;max-width:14ch}
.hero .lede{margin-bottom:40px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-top:8px}

/* Centered hero text on all pages except homepage (body.home opts out) */
body:not(.home) .hero .container{
  text-align:center;
  display:flex;
  flex-direction:column;
  align-items:center;
}
body:not(.home) .hero .container .kicker{display:inline-block}
body:not(.home) .hero .container .lede{margin-left:auto;margin-right:auto;max-width:720px}
body:not(.home) .hero h1{max-width:none}
body:not(.home) .hero .hero-actions{justify-content:center}

/* TOC rail contrast over dark/red sections - BLACK for max contrast on red */
.toc-rail.on-dark .toc-rail-label{color:rgba(0,0,0,0.70)}
.toc-rail.on-dark a{color:rgba(0,0,0,0.78);border-left-color:rgba(0,0,0,0.35)}
.toc-rail.on-dark a:hover{color:#000;border-left-color:#000}
.toc-rail.on-dark a.is-active{color:#000;border-left-color:#000;font-weight:600}
.toc-rail{transition:color .25s ease}
.toc-rail a{transition:color .25s ease, border-left-color .25s ease, padding-left .2s ease}

/* ----- Hairline list rows ----- */
.hl-list{border-top:1px solid var(--line)}
.hl-list > li,.hl-list > .hl-row{
  border-bottom:1px solid var(--line);
  padding:28px 0;
  display:flex;
  gap:40px;
  align-items:flex-start;
}
.hl-list > li > .hl-title,.hl-list > .hl-row > .hl-title{
  flex:0 0 280px;
  font-size:20px;
  font-weight:600;
  letter-spacing:-0.01em;
}
.hl-list > li > .hl-body,.hl-list > .hl-row > .hl-body{
  flex:1;
  color:var(--grey-2);
  font-size:16px;
  line-height:1.6;
}
@media (max-width:768px){
  .hl-list > li,.hl-list > .hl-row{flex-direction:column;gap:12px}
  .hl-list > li > .hl-title,.hl-list > .hl-row > .hl-title{flex:1}
}

/* ----- 2-col split ----- */
.split-2{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start}
@media (max-width:900px){.split-2{grid-template-columns:1fr;gap:32px}}

/* ----- Grid 2x2 ----- */
.grid-2x2{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line)}
.grid-2x2 > *{background:var(--white);padding:32px}
@media (max-width:768px){.grid-2x2{grid-template-columns:1fr}}

/* ----- CTA card / banner ----- */
.cta-block{
  background:var(--red);
  color:var(--white);
  padding:80px var(--pad-x);
  margin-top:80px;
}
.cta-block .cta-inner{max-width:var(--container);margin:0 auto;display:grid;grid-template-columns:1.5fr 1fr;gap:64px;align-items:center}
.cta-block h2{color:var(--white);margin-bottom:16px}
.cta-block p{color:#fff;opacity:.92;margin-bottom:0}
.cta-block .cta-actions{display:flex;gap:16px;flex-wrap:wrap}
.cta-block .btn-primary{background:var(--white);color:var(--red)}
.cta-block .btn-primary:hover{background:var(--paper);color:var(--red-dk)}
.cta-block .btn-ghost-white:hover{color:var(--red)}
@media (max-width:900px){
  .cta-block .cta-inner{grid-template-columns:1fr;gap:32px}
}

/* ----- Native details accordion ----- */
.accordion{border-top:1px solid var(--line)}
.accordion details{border-bottom:1px solid var(--line)}
.accordion summary{
  list-style:none;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:24px;
  padding:24px 0;
  cursor:pointer;
  font-size:18px;
  font-weight:600;
  letter-spacing:-0.01em;
  color:var(--black);
  transition:color .2s ease;
}
.accordion summary::-webkit-details-marker{display:none}
.accordion summary::after{
  content:"";
  width:14px;
  height:14px;
  border-right:1.5px solid var(--black);
  border-bottom:1.5px solid var(--black);
  transform:rotate(45deg);
  transform-origin:60% 60%;
  transition:transform .2s ease,border-color .2s ease;
  flex:0 0 14px;
  margin-right:6px;
}
.accordion details[open] summary::after{transform:rotate(-135deg)}
.accordion summary:hover{color:var(--red)}
.accordion summary:hover::after{border-color:var(--red)}
.accordion .acc-body{padding:0 0 28px;color:var(--grey-2);font-size:16px;line-height:1.65;max-width:760px}
.accordion .acc-body p + p{margin-top:12px}
.accordion .acc-body ul{margin:12px 0 12px 18px;list-style:disc}
.accordion .acc-body ul li{margin-bottom:6px}

/* ----- Footer ----- */
.footer-v3{
  background:var(--paper);
  border-top:2px solid var(--red);
  padding:72px var(--pad-x) 32px;
  margin-top:0;
  color:var(--black);
}
.footer-v3-main{
  max-width:var(--container);
  margin:0 auto;
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:48px;
  padding-bottom:48px;
  border-bottom:1px solid var(--line);
}
.footer-v3-brand-name{font-size:18px;font-weight:700;letter-spacing:-0.01em;margin-bottom:6px}
.footer-v3-brand-sub{font-size:13px;color:var(--grey);margin-bottom:16px;letter-spacing:0.04em}
.footer-v3-brand-desc{font-size:14px;color:var(--grey-2);line-height:1.6;max-width:36ch}
.footer-v3 h3{font-size:13px;text-transform:uppercase;letter-spacing:0.14em;font-weight:600;color:var(--black);margin-bottom:18px}
.footer-v3-col ul li{margin-bottom:10px}
.footer-v3-col ul li a{font-size:14px;color:var(--grey-2);transition:color .2s ease}
.footer-v3-col ul li a:hover{color:var(--red)}
.footer-v3-contact-label{font-size:11px;text-transform:uppercase;letter-spacing:0.14em;color:var(--grey);margin-top:12px;margin-bottom:6px}
.footer-v3-contact-item{font-size:14px;color:var(--grey-2);line-height:1.5;margin-bottom:8px}
.footer-v3-bottom{
  max-width:var(--container);
  margin:0 auto;
  padding-top:24px;
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:16px;
  font-size:13px;
  color:var(--grey);
}
.footer-v3-bottom a{color:inherit;border-bottom:1px solid transparent;transition:border-color .2s ease}
.footer-v3-bottom a:hover{border-bottom-color:var(--red)}
@media (max-width:900px){
  .footer-v3-main{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:600px){
  .footer-v3-main{grid-template-columns:1fr}
  .footer-v3-bottom{flex-direction:column}
}

/* ----- WhatsApp floating button (kept from old design, restyled) ----- */
.wa-btn{
  position:fixed;
  bottom:24px;
  right:24px;
  width:56px;
  height:56px;
  background:var(--red);
  color:#fff;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  z-index:var(--z-toast);
  box-shadow:0 4px 14px rgba(184,1,49,0.32);
  transition:background .2s ease,transform .2s ease;
}
.wa-btn:hover{background:var(--red-dk);transform:translateY(-2px)}
.wa-btn svg{width:24px;height:24px;fill:currentColor}

/* ----- Focus visible (accessibility) ----- */
a:focus-visible,
button:focus-visible,
summary:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible{
  outline:2px solid var(--red);
  outline-offset:3px;
}

/* ----- Motion design ----- */

/* Hero Ken Burns: subtle background scale loop */
.hero-h1{
  animation:kenburns 24s ease-in-out infinite alternate;
}
@keyframes kenburns{
  0%   {background-size:100%}
  100% {background-size:108%}
}

/* Nav: scroll-state subtle shadow */
.nav-v3{
  transition:box-shadow .25s ease,border-bottom-color .25s ease;
}
.nav-v3.scrolled{
  box-shadow:0 4px 16px rgba(0,0,0,0.06);
}

/* Card hover-lift (apply via class) */
.pill-row a,
.i1-card,
.r1-row a,
.r3-row a,
.r4-row a{
  transition:transform .2s ease,border-color .2s ease,color .2s ease,background .2s ease,box-shadow .2s ease;
}
.pill-row a:hover,
.r1-row a:hover,
.r3-row a:hover{transform:translateY(-2px)}

/* Button micro-press */
.btn{transform:translateY(0);transition:background .2s ease,color .2s ease,border-color .2s ease,transform .15s ease}
.btn:active{transform:translateY(1px)}

/* Smooth details accordion */
.accordion details{transition:background .2s ease}
.accordion details[open] summary{color:var(--red)}
.accordion .acc-body{
  overflow:hidden;
  animation:acc-open .25s ease-out;
}
@keyframes acc-open{
  from{opacity:0;transform:translateY(-4px)}
  to{opacity:1;transform:translateY(0)}
}

/* Scroll-reveal: hidden by default, .in-view = visible */
[data-reveal]{
  opacity:0;
  transform:translateY(16px);
  transition:opacity .6s ease,transform .6s ease;
  will-change:opacity,transform;
}
[data-reveal].in-view{
  opacity:1;
  transform:translateY(0);
}
[data-reveal][data-reveal-delay="100"]{transition-delay:.1s}
[data-reveal][data-reveal-delay="200"]{transition-delay:.2s}
[data-reveal][data-reveal-delay="300"]{transition-delay:.3s}

/* Util-bar links subtle underline anim */
.util-bar a{
  position:relative;
}
.util-bar a::after{
  content:'';
  position:absolute;
  left:0;right:100%;bottom:-2px;
  height:1px;background:currentColor;
  transition:right .25s ease;
}
.util-bar a:hover::after{right:0}

/* Link underline animation */
a.text-link,
.related-link,
.footer-v3-bottom a,
.footer-v3-col li a{
  background-image:linear-gradient(currentColor,currentColor);
  background-size:0 1px;
  background-repeat:no-repeat;
  background-position:0 100%;
  transition:background-size .3s ease,color .2s ease;
}
a.text-link:hover,
.related-link:hover,
.footer-v3-bottom a:hover,
.footer-v3-col li a:hover{
  background-size:100% 1px;
}

/* ----- Reduced motion ----- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .hero-h1{animation:none}
  [data-reveal]{opacity:1;transform:none;transition:none}
}

/* ----- Mobile nav ----- */
@media (max-width:900px){
  .nav-v3-toggle{display:block}
  .nav-v3-links{
    position:absolute;
    top:100%;
    left:0;
    right:0;
    background:var(--white);
    border-bottom:2px solid var(--red);
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding:8px 0;
    display:none;
  }
  .nav-v3-links.open{display:flex}
  .nav-v3-links > li{border-bottom:1px solid var(--line)}
  .nav-v3-links > li:last-child{border-bottom:0}
  .nav-v3-links > li > a{padding:14px var(--pad-x);display:block;border-bottom:0}
  .nav-v3-dropdown{
    position:static;
    border:0;
    box-shadow:none;
    opacity:1;
    visibility:visible;
    transform:none;
    padding:0;
    display:none;
    background:var(--paper);
  }
  .nav-v3-links .has-dropdown.open > .nav-v3-dropdown{display:block}
  .nav-v3-cta{margin:8px var(--pad-x) 12px;text-align:center}
}