/* Dark is the default look regardless of the visitor's OS setting —
   :root carries the dark palette, and an explicit light choice overrides it. */
:root{
  color-scheme: dark;
  --bg:#0A100C;
  --surface:#111B14;
  --surface-alt:#15211A;
  --ink:#ECF1EA;
  --ink-soft:#A7B6AC;
  --ink-faint:#6E7D74;
  --line:#233024;
  --brand:#3BD46E;
  --brand-deep:#15351F;
  --brand-deep-ink:#ECF1EA;
  --status-warn:#E8B655;
  --logo-badge:#3BD46E;
  --logo-pixel:#0A100C;
  --shadow: 0 1px 2px rgba(0,0,0,0.3), 0 8px 24px -12px rgba(0,0,0,0.5);
}
:root[data-theme="light"]{
  color-scheme: light;
  --bg:#F5F6F1;
  --surface:#FFFFFF;
  --surface-alt:#EAEEE3;
  --ink:#0E1712;
  --ink-soft:#4B5A50;
  --ink-faint:#7C8B81;
  --line:#DBE0D3;
  --brand:#1E9E49;
  --brand-deep:#0F3320;
  --brand-deep-ink:#F5F6F1;
  --status-warn:#C98A2E;
  --logo-badge:#0E1712;
  --logo-pixel:#1E9E49;
  --shadow: 0 1px 2px rgba(14,23,18,0.04), 0 8px 24px -12px rgba(14,23,18,0.16);
}

/* accessibility mode: larger text (rem-driven, so it scales the whole page)
   plus flatter, higher-contrast tone-on-tone text and borders */
:root[data-a11y="on"]{
  font-size:118%;
  --ink-soft:var(--ink);
  --ink-faint:var(--ink);
  --line:color-mix(in srgb, var(--ink) 45%, var(--surface));
}
[data-a11y="on"] a{text-decoration:underline; text-underline-offset:3px;}
[data-a11y="on"] .nav-links a, [data-a11y="on"] .foot-col a{text-decoration:none;}
[data-a11y="on"] .nav-links a:hover, [data-a11y="on"] .foot-col a:hover{text-decoration:underline;}
[data-a11y="on"] .btn, [data-a11y="on"] .icon-btn, [data-a11y="on"] .chip{border-width:2px;}
[data-a11y="on"] :focus-visible{outline-width:3px; outline-offset:3px;}
[data-a11y="on"] *, [data-a11y="on"] *::before, [data-a11y="on"] *::after{
  animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important;
}

*{box-sizing:border-box;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"IBM Plex Sans", ui-sans-serif, system-ui, sans-serif;
  font-size:16px;
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
  padding-bottom:0;
}
img{max-width:100%;}
h1,h2,h3{
  font-family:"Chakra Petch", "IBM Plex Sans", sans-serif;
  color:var(--ink);
  margin:0;
  text-wrap:balance;
  letter-spacing:-0.01em;
}
p{margin:0;}
a{color:inherit;}
.mono{
  font-family:"IBM Plex Mono", ui-monospace, monospace;
}
.eyebrow{
  font-family:"IBM Plex Mono", monospace;
  font-size:0.78rem;
  font-weight:500;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color:var(--brand);
}
.wrap{
  max-width:1180px;
  margin-inline:auto;
  padding-inline:24px;
}
section{padding-block:clamp(56px,9vw,104px);}
:focus-visible{outline:2px solid var(--brand); outline-offset:3px;}

/* ---------- nav ---------- */
.nav{
  position:sticky; top:0; z-index:40;
  background:color-mix(in srgb, var(--surface) 92%, transparent);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-row{
  display:flex; align-items:center; justify-content:space-between;
  padding-block:16px;
}
.logo{
  display:flex; align-items:center; gap:10px;
  font-family:"Chakra Petch", sans-serif;
  font-weight:700; font-size:1.3rem; letter-spacing:0.01em;
  color:var(--ink); text-decoration:none;
}
.logo-mark{
  display:inline-flex; flex-shrink:0; width:34px; height:34px;
  border-radius:9px; background:var(--logo-badge);
}
.logo-mark rect.px1, .logo-mark rect.px2{fill:var(--logo-pixel);}
.logo-x{color:var(--brand);}
.nav-links{
  display:flex; align-items:center; gap:32px; list-style:none; margin:0; padding:0;
}
.nav-links a{
  font-size:0.92rem; font-weight:500; text-decoration:none; color:var(--ink-soft);
}
.nav-links a:hover{color:var(--brand);}
.nav-cta{display:flex; align-items:center; gap:10px;}
.util-btns{display:flex; align-items:center; gap:8px;}
.icon-btn{
  display:inline-flex; align-items:center; justify-content:center;
  width:40px; height:40px; border-radius:8px; border:1px solid var(--line);
  background:transparent; color:var(--ink-soft); cursor:pointer; padding:0; flex-shrink:0;
}
.icon-btn:hover{border-color:var(--brand); color:var(--brand);}
.icon-btn[aria-pressed="true"]{
  background:var(--brand-deep); border-color:var(--brand-deep); color:var(--brand-deep-ink);
}
/* dark is the default, so the sun (switch-to-light) icon shows by default */
.icon-sun{display:block;}
.icon-moon{display:none;}
:root[data-theme="light"] .icon-sun{display:none;}
:root[data-theme="light"] .icon-moon{display:block;}
.menu-btn{
  display:none; background:none; border:1px solid var(--line); border-radius:8px;
  width:40px; height:40px; color:var(--ink); cursor:pointer;
}
#nav-toggle{display:none;}

.btn{
  display:inline-flex; align-items:center; gap:8px;
  font-family:"IBM Plex Sans", sans-serif;
  font-weight:600; font-size:0.92rem;
  padding:11px 20px; border-radius:8px;
  text-decoration:none; cursor:pointer; border:1px solid transparent;
  transition:transform .15s ease, background .15s ease, border-color .15s ease;
  white-space:nowrap;
}
.btn:hover{transform:translateY(-1px);}
.btn-primary{background:var(--brand-deep); color:var(--brand-deep-ink);}
.btn-primary:hover{background:var(--brand); color:#0B1710;}
.btn-ghost{background:transparent; border-color:var(--line); color:var(--ink);}
.btn-ghost:hover{border-color:var(--brand); color:var(--brand);}
.btn-on-dark{background:var(--brand); color:#08140C;}
.btn-on-dark:hover{background:#fff;}
.btn-outline-on-dark{background:transparent; border-color:rgba(245,246,241,0.35); color:var(--brand-deep-ink);}
.btn-outline-on-dark:hover{border-color:var(--brand-deep-ink);}

/* ---------- hero ---------- */
.hero{padding-block:clamp(48px,8vw,88px);}
.hero-grid{
  display:grid; grid-template-columns:1.05fr 0.95fr; gap:56px; align-items:center;
}
.hero h1{
  font-size:clamp(2.3rem,4.4vw,3.5rem);
  line-height:1.06; margin-block:16px 20px;
}
.hero .lede{
  font-size:1.08rem; color:var(--ink-soft); max-width:52ch;
}
.hero-actions{display:flex; flex-wrap:wrap; gap:14px; margin-top:30px;}
.trust-line{
  margin-top:34px; padding-top:20px; border-top:1px solid var(--line);
  font-size:0.78rem; letter-spacing:0.08em; color:var(--ink-faint); text-transform:uppercase;
}
.back-link{
  display:inline-flex; align-items:center; gap:6px;
  font-family:"IBM Plex Mono", monospace; font-size:0.78rem; letter-spacing:0.04em;
  color:var(--ink-faint); text-decoration:none; margin-bottom:18px;
}
.back-link:hover{color:var(--brand);}

/* console panel */
.console{
  background:var(--surface); border:1px solid var(--line); border-radius:14px;
  box-shadow:var(--shadow); overflow:hidden;
}
.console-head{
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 18px; border-bottom:1px solid var(--line);
  font-size:0.72rem; letter-spacing:0.1em; color:var(--ink-faint); text-transform:uppercase;
}
.live-dot{display:inline-flex; align-items:center; gap:7px; color:var(--brand); font-weight:600;}
.live-dot::before{
  content:""; width:7px; height:7px; border-radius:50%; background:var(--brand);
  box-shadow:0 0 0 0 rgba(30,158,73,.5); animation:pulse 2.2s ease-out infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 color-mix(in srgb, var(--brand) 55%, transparent);}
  70%{box-shadow:0 0 0 8px transparent;}
  100%{box-shadow:0 0 0 0 transparent;}
}
.feed{list-style:none; margin:0; padding:20px 18px 4px;}
.feed li{
  display:grid; grid-template-columns:40px 20px 1fr; column-gap:12px;
  padding-bottom:22px;
}
.feed li:last-child{padding-bottom:2px;}
.feed-time{font-size:0.72rem; color:var(--ink-faint); padding-top:3px;}
.feed-dot-col{position:relative; display:flex; justify-content:center;}
.feed-dot{
  width:9px; height:9px; margin-top:5px; border-radius:50%; background:var(--brand); z-index:1;
}
.feed-dot--warn{background:var(--status-warn);}
.feed li:not(:last-child) .feed-dot-col::after{
  content:""; position:absolute; top:16px; bottom:-22px; left:50%;
  width:1px; background:var(--line); transform:translateX(-50%);
}
.feed-text p{margin:0; font-size:0.9rem; color:var(--ink); line-height:1.4;}
.feed-tag{
  display:inline-block; margin-top:7px; font-family:"IBM Plex Mono", monospace; font-size:0.66rem;
  letter-spacing:0.06em; text-transform:uppercase; padding:3px 8px; border-radius:999px;
}
.feed-tag--ok{color:var(--brand); background:color-mix(in srgb, var(--brand) 16%, transparent);}
.feed-tag--warn{color:var(--status-warn); background:color-mix(in srgb, var(--status-warn) 18%, transparent);}
.console-caption{
  padding:14px 18px; border-top:1px solid var(--line);
  font-size:0.72rem; color:var(--ink-faint);
}
@media (prefers-reduced-motion: reduce){
  .live-dot::before{animation:none;}
}

/* ---------- partner strip ---------- */
.strip{
  border-block:1px solid var(--line); background:var(--surface-alt);
}
.strip .wrap{
  padding-block:22px; display:flex; align-items:center; gap:40px; flex-wrap:wrap;
  justify-content:space-between;
}
.strip .label{font-size:0.74rem; color:var(--ink-faint); letter-spacing:0.1em; white-space:nowrap;}
.partner-names{display:flex; gap:36px; flex-wrap:wrap;}
.partner-names span{
  font-family:"Chakra Petch", sans-serif; font-weight:600; font-size:1.02rem; color:var(--ink-soft);
}

/* ---------- services ---------- */
.section-head{
  max-width:62ch; margin-bottom:40px;
}
.section-head h2{font-size:clamp(1.7rem,3vw,2.3rem); margin-top:10px;}
.services-grid{
  display:grid; grid-template-columns:repeat(4,1fr); gap:1px;
  background:var(--line); border:1px solid var(--line); border-radius:14px; overflow:hidden;
}
.svc{
  background:var(--surface); padding:28px 26px; display:flex; flex-direction:column; gap:14px;
}
.svc-top{display:flex; align-items:center; justify-content:space-between;}
.svc-id{font-size:0.72rem; color:var(--ink-faint); letter-spacing:0.08em;}
.svc-icon{
  width:38px; height:38px; border-radius:8px; background:var(--surface-alt);
  display:flex; align-items:center; justify-content:center; color:var(--brand);
}
.svc h3{font-size:1.08rem;}
.svc p{color:var(--ink-soft); font-size:0.93rem;}
.svc-link{
  margin-top:auto; padding-top:4px; font-size:0.85rem; font-weight:600; color:var(--brand);
  text-decoration:none; display:inline-flex; align-items:center; gap:4px;
}
.svc-link:hover{text-decoration:underline;}

/* ---------- service detail page ---------- */
.included-grid{
  display:grid; grid-template-columns:repeat(2,1fr); gap:14px;
}
.included-item{
  display:flex; gap:12px; align-items:flex-start;
  background:var(--surface); border:1px solid var(--line); border-radius:12px; padding:18px 20px;
}
.included-item .check{
  width:22px; height:22px; border-radius:50%; background:color-mix(in srgb, var(--brand) 16%, transparent);
  color:var(--brand); display:flex; align-items:center; justify-content:center; flex-shrink:0; margin-top:2px;
}
.included-item p{font-size:0.94rem; color:var(--ink-soft);}
.why-block{max-width:70ch;}
.why-block p + p{margin-top:14px;}
.why-block p{color:var(--ink-soft);}

/* ---------- about ---------- */
.about-grid{
  display:grid; grid-template-columns:0.95fr 1.05fr; gap:64px; align-items:center;
}
.about h2{font-size:clamp(1.7rem,3vw,2.3rem); margin-top:10px;}
.about p{color:var(--ink-soft); max-width:56ch;}
.about p + p{margin-top:14px;}
.fact-row{display:flex; flex-wrap:wrap; gap:10px; margin-top:26px;}
.chip{
  font-family:"IBM Plex Mono", monospace; font-size:0.74rem; letter-spacing:0.05em;
  padding:8px 12px; border:1px solid var(--line); border-radius:999px; color:var(--ink-soft);
}
.diagram-wrap{
  background:var(--surface); border:1px solid var(--line); border-radius:14px; padding:20px;
  box-shadow:var(--shadow);
}

/* ---------- FAQ ---------- */
.faq-list{
  display:flex; flex-direction:column; gap:1px;
  background:var(--line); border:1px solid var(--line); border-radius:14px; overflow:hidden;
}
.faq-item{background:var(--surface);}
.faq-item summary{
  list-style:none; cursor:pointer; padding:20px 24px;
  display:flex; align-items:center; justify-content:space-between; gap:16px;
  font-family:"Chakra Petch", sans-serif; font-weight:600; font-size:1rem; color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+"; font-family:"IBM Plex Mono", monospace; font-size:1.2rem; color:var(--brand); flex-shrink:0;
}
.faq-item[open] summary::after{content:"\2013";}
.faq-item p{padding:0 24px 22px; color:var(--ink-soft); font-size:0.93rem; max-width:70ch;}

/* ---------- testimonial ---------- */
.testimonial-band{
  background:var(--surface-alt); border-block:1px solid var(--line);
  padding-block:clamp(48px,8vw,88px);
}
.testimonial{
  display:grid; grid-template-columns:auto 1fr; gap:28px; align-items:start;
}
.quote-mark{
  font-family:"Chakra Petch", sans-serif; font-size:4.5rem; line-height:1; color:var(--brand);
  font-weight:700;
}
.testimonial blockquote{
  margin:0; font-size:1.2rem; line-height:1.5; font-weight:500;
  max-width:62ch; text-wrap:balance;
}
.attribution{
  display:flex; align-items:center; gap:12px; margin-top:22px;
}
.monogram{
  width:42px; height:42px; border-radius:8px; background:var(--brand-deep); color:var(--brand-deep-ink);
  display:flex; align-items:center; justify-content:center; font-family:"Chakra Petch"; font-weight:700;
  font-size:0.85rem; flex-shrink:0;
}
.attribution .name{font-weight:600; font-size:0.92rem;}
.attribution .role{font-size:0.82rem; color:var(--ink-faint);}
.testimonial-more{display:grid; grid-template-columns:1fr 1fr; gap:16px; margin-top:32px;}
.testimonial-placeholder{
  border:1.5px dashed var(--line); border-radius:12px; padding:22px;
  display:flex; flex-direction:column; align-items:center; justify-content:center; gap:8px;
  color:var(--ink-faint); text-align:center; min-height:110px;
}
.ph-icon{
  width:30px; height:30px; border-radius:50%; border:1.5px dashed var(--line);
  display:flex; align-items:center; justify-content:center; font-family:"Chakra Petch"; font-size:1.1rem;
}
.testimonial-placeholder p{font-size:0.85rem;}
.placeholder-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:16px;}
.placeholder-grid .testimonial-placeholder{min-height:150px;}

/* ---------- CTA band ---------- */
.cta-band{
  background:var(--brand-deep); color:var(--brand-deep-ink);
  padding-block:clamp(56px,9vw,104px);
}
.cta-grid{display:grid; grid-template-columns:1.1fr 0.9fr; gap:48px; align-items:start;}
.cta-band h2{color:var(--brand-deep-ink); font-size:clamp(1.8rem,3.2vw,2.5rem);}
.cta-band .lede{color:color-mix(in srgb, var(--brand-deep-ink) 78%, transparent); max-width:44ch; margin-top:14px;}
.cta-actions{display:flex; gap:14px; margin-top:26px; flex-wrap:wrap;}
.contact-form{display:flex; flex-direction:column; gap:16px; margin-top:26px; max-width:460px;}
.form-row{display:flex; flex-direction:column; gap:6px;}
.form-row label{
  font-size:0.78rem; letter-spacing:0.04em; font-weight:500;
  color:color-mix(in srgb, var(--brand-deep-ink) 78%, transparent);
}
.form-row input, .form-row textarea{
  font-family:"IBM Plex Sans", sans-serif; font-size:0.95rem; color:var(--brand-deep-ink);
  background:color-mix(in srgb, var(--brand-deep-ink) 9%, transparent);
  border:1px solid color-mix(in srgb, var(--brand-deep-ink) 25%, transparent);
  border-radius:8px; padding:11px 14px; resize:vertical;
}
.form-row input::placeholder, .form-row textarea::placeholder{
  color:color-mix(in srgb, var(--brand-deep-ink) 50%, transparent);
}
.form-row input:focus-visible, .form-row textarea:focus-visible{
  outline:2px solid var(--brand); outline-offset:1px; border-color:var(--brand);
}
.form-note{font-size:0.82rem; color:color-mix(in srgb, var(--brand-deep-ink) 70%, transparent); margin-top:2px;}
.form-note a{text-decoration:underline;}
.form-status{font-size:0.88rem; font-weight:500; min-height:1.4em;}
.form-status[data-state="ok"]{color:var(--brand);}
.form-status[data-state="error"]{color:var(--status-warn);}
.hp-field{position:absolute; left:-9999px; width:1px; height:1px; overflow:hidden;}
.contact-list{display:flex; flex-direction:column; gap:18px;}
.contact-item{display:flex; gap:14px; align-items:flex-start;}
.contact-item .ico{
  width:36px; height:36px; border-radius:8px; background:color-mix(in srgb, var(--brand-deep-ink) 12%, transparent);
  display:flex; align-items:center; justify-content:center; flex-shrink:0;
}
.contact-item .label{font-size:0.72rem; letter-spacing:0.08em; text-transform:uppercase; color:color-mix(in srgb, var(--brand-deep-ink) 65%, transparent);}
.contact-item .value{font-weight:600; margin-top:2px;}
.contact-item a{text-decoration:none;}
.contact-item a:hover{color:var(--brand);}

/* ---------- footer ---------- */
footer{background:var(--bg);}
.footer-grid{
  display:grid; grid-template-columns:1.4fr 0.8fr 0.8fr 1fr; gap:40px;
  padding-block:52px 32px; border-top:1px solid var(--line);
}
.footer-brand p{color:var(--ink-faint); font-size:0.85rem; margin-top:12px; max-width:32ch;}
.foot-legal{
  font-family:"IBM Plex Mono", monospace; font-size:0.72rem; line-height:1.7; color:var(--ink-faint); margin-top:16px;
}
.foot-col h4{
  font-size:0.74rem; letter-spacing:0.1em; text-transform:uppercase; color:var(--ink-faint); margin-bottom:14px; font-weight:600;
  font-family:"IBM Plex Mono", monospace;
}
.foot-col ul{list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:10px;}
.foot-col a{text-decoration:none; color:var(--ink-soft); font-size:0.9rem;}
.foot-col a:hover{color:var(--brand);}
.foot-bottom{
  border-top:1px solid var(--line); padding-block:20px;
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px;
  font-size:0.78rem; color:var(--ink-faint);
}

/* ---------- cookie banner ---------- */
.cookie-banner{
  position:fixed; left:0; right:0; bottom:0; z-index:60;
  background:var(--surface); border-top:1px solid var(--line); box-shadow:var(--shadow);
}
.cookie-inner{
  display:flex; align-items:center; justify-content:space-between; gap:20px; flex-wrap:wrap;
  padding-block:16px;
}
.cookie-inner p{font-size:0.85rem; color:var(--ink-soft); max-width:60ch;}
.cookie-inner a{color:var(--brand); text-decoration:underline;}
.cookie-actions{display:flex; gap:10px; flex-shrink:0;}

/* ---------- simple document page (privacy policy) ---------- */
.doc{max-width:74ch; margin-inline:auto; padding-inline:24px; padding-block:clamp(48px,8vw,88px);}
.doc h1{font-size:clamp(1.9rem,3.6vw,2.6rem);}
.doc .updated{color:var(--ink-faint); font-size:0.85rem; margin-top:10px;}
.doc-note{
  margin-top:28px; padding:16px 18px; border:1px solid var(--line); border-radius:10px;
  background:var(--surface-alt); font-size:0.88rem; color:var(--ink-soft);
}
.doc h2{font-size:1.25rem; margin-top:40px; margin-bottom:12px;}
.doc p{color:var(--ink-soft); margin-top:12px;}
.doc ul{color:var(--ink-soft); padding-left:22px; margin-top:12px; display:flex; flex-direction:column; gap:8px;}
.doc a{color:var(--brand);}

/* ---------- responsive ---------- */
@media (max-width:900px){
  .hero-grid, .about-grid, .cta-grid{grid-template-columns:1fr;}
  .services-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .about-grid .diagram-wrap{order:-1;}
  .included-grid{grid-template-columns:1fr;}
  .placeholder-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:640px){
  .nav-row{padding-block:12px;}
  .nav-links, .nav-cta .btn-ghost, .nav-cta .btn-primary{display:none;}
  .menu-btn{display:flex; align-items:center; justify-content:center;}
  #nav-toggle:checked ~ .nav-links{
    display:flex; position:absolute; top:100%; left:0; right:0; background:var(--surface);
    border-bottom:1px solid var(--line); flex-direction:column; align-items:flex-start; gap:0; padding:8px 24px 16px;
    max-height:calc(100vh - 64px); overflow-y:auto;
  }
  #nav-toggle:checked ~ .nav-links a{padding-block:12px; width:100%; font-size:1rem;}
  .services-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .testimonial{grid-template-columns:1fr;}
  .testimonial-more{grid-template-columns:1fr;}
  .placeholder-grid{grid-template-columns:1fr;}
  .strip .wrap{justify-content:flex-start;}
  .quote-mark{font-size:3rem;}
  .cta-grid, .hero-grid{gap:40px;}
}
@media (max-width:480px){
  .cookie-inner{flex-direction:column; align-items:flex-start;}
  .cookie-actions{width:100%;}
  .cookie-actions .btn{flex:1; justify-content:center;}
  .hero-actions, .cta-actions{flex-direction:column; align-items:stretch;}
  .hero-actions .btn, .cta-actions .btn{justify-content:center;}
  .attribution{flex-wrap:wrap;}
}
@media (max-width:400px){
  .wrap{padding-inline:16px;}
  .icon-btn{width:36px; height:36px;}
  .util-btns{gap:6px;}
  .nav-cta{gap:8px;}
  .logo{font-size:1.1rem; gap:8px;}
  .logo-mark{width:28px; height:28px;}
  .menu-btn{width:36px; height:36px;}
}