/* =========================================================================
   FreeAI — stylesheet
   Self-hosted fonts (no third-party requests). CSP-safe: no inline styles.
   ========================================================================= */

/* ---------- Fonts (self-hosted, woff2 with woff fallback) ---------------- */
@font-face {
  font-family: "Space Grotesk";
  font-style: normal; font-weight: 500; font-display: swap;
  src: url("../fonts/space-grotesk-latin-500-normal.woff2") format("woff2"),
       url("../fonts/space-grotesk-latin-500-normal.woff") format("woff");
}
@font-face {
  font-family: "Space Grotesk";
  font-style: normal; font-weight: 700; font-display: swap;
  src: url("../fonts/space-grotesk-latin-700-normal.woff2") format("woff2"),
       url("../fonts/space-grotesk-latin-700-normal.woff") format("woff");
}
@font-face {
  font-family: "IBM Plex Sans";
  font-style: normal; font-weight: 400; font-display: swap;
  src: url("../fonts/ibm-plex-sans-latin-400-normal.woff2") format("woff2"),
       url("../fonts/ibm-plex-sans-latin-400-normal.woff") format("woff");
}
@font-face {
  font-family: "IBM Plex Sans";
  font-style: normal; font-weight: 500; font-display: swap;
  src: url("../fonts/ibm-plex-sans-latin-500-normal.woff2") format("woff2"),
       url("../fonts/ibm-plex-sans-latin-500-normal.woff") format("woff");
}
@font-face {
  font-family: "IBM Plex Sans";
  font-style: normal; font-weight: 600; font-display: swap;
  src: url("../fonts/ibm-plex-sans-latin-600-normal.woff2") format("woff2"),
       url("../fonts/ibm-plex-sans-latin-600-normal.woff") format("woff");
}
@font-face {
  font-family: "IBM Plex Mono";
  font-style: normal; font-weight: 400; font-display: swap;
  src: url("../fonts/ibm-plex-mono-latin-400-normal.woff2") format("woff2"),
       url("../fonts/ibm-plex-mono-latin-400-normal.woff") format("woff");
}
@font-face {
  font-family: "IBM Plex Mono";
  font-style: normal; font-weight: 500; font-display: swap;
  src: url("../fonts/ibm-plex-mono-latin-500-normal.woff2") format("woff2"),
       url("../fonts/ibm-plex-mono-latin-500-normal.woff") format("woff");
}

/* ---------- Design tokens ------------------------------------------------ */
:root {
  --ink:        #0B1A2B;   /* deep navy ink — primary text, dark panels   */
  --ink-2:      #102433;   /* lifted ink for layered dark surfaces        */
  --ink-3:      #16304A;   /* hairlines / borders on dark                 */
  --paper:      #F4F6F2;   /* warm off-white page background               */
  --paper-2:    #FFFFFF;   /* card surface                                */
  --paper-3:    #ECEFE9;   /* subtle tinted surface                       */
  --signal:     #14C8A0;   /* signature: "system healthy" teal-green      */
  --signal-2:   #0FE3B0;   /* brighter signal for dark backgrounds        */
  --signal-deep:#077A62;   /* AA-contrast signal for text on light        */
  --amber:      #F5A524;   /* sparing status accent                       */
  --muted:      #586676;   /* secondary text on light                     */
  --muted-d:    #91A6B8;   /* secondary text on dark                      */
  --line:       rgba(11, 26, 43, 0.12);
  --line-soft:  rgba(11, 26, 43, 0.07);
  --line-d:     rgba(255, 255, 255, 0.12);

  --maxw: 1200px;
  --gutter: clamp(1.25rem, 4vw, 3rem);
  --radius: 14px;
  --radius-sm: 9px;
  --shadow: 0 1px 2px rgba(11,26,43,.06), 0 12px 36px -18px rgba(11,26,43,.28);
  --shadow-lg: 0 2px 6px rgba(11,26,43,.08), 0 40px 80px -40px rgba(11,26,43,.4);

  --ff-display: "Space Grotesk", ui-sans-serif, system-ui, sans-serif;
  --ff-body: "IBM Plex Sans", ui-sans-serif, system-ui, -apple-system, sans-serif;
  --ff-mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --ease: cubic-bezier(.22, .61, .36, 1);
}

/* ---------- Reset / base ------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
}

body {
  font-family: var(--ff-body);
  font-size: clamp(1rem, 0.97rem + 0.15vw, 1.0625rem);
  line-height: 1.62;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; background: none; border: none; }
ul { list-style: none; padding: 0; }
:focus-visible { outline: 2.5px solid var(--signal-deep); outline-offset: 3px; border-radius: 4px; }

/* ---------- Layout helpers ---------------------------------------------- */
.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }
.section { padding-block: clamp(4.5rem, 9vw, 8.5rem); position: relative; }
.section--tight { padding-block: clamp(3rem, 6vw, 5rem); }
.center { text-align: center; }
.skip-link {
  position: absolute; left: 1rem; top: -3rem; z-index: 200;
  background: var(--ink); color: var(--paper); padding: .6rem 1rem;
  border-radius: 8px; transition: top .2s var(--ease);
}
.skip-link:focus { top: 1rem; }

/* ---------- Typography --------------------------------------------------- */
h1, h2, h3, h4 { font-family: var(--ff-display); font-weight: 700; line-height: 1.05; letter-spacing: -0.02em; }
.h-display { font-size: clamp(2.55rem, 1.6rem + 4.3vw, 5rem); letter-spacing: -0.035em; }
h2.h-section { font-size: clamp(1.95rem, 1.3rem + 2.6vw, 3.1rem); letter-spacing: -0.03em; }
h3 { font-size: clamp(1.2rem, 1.05rem + 0.6vw, 1.5rem); }
.lead { font-size: clamp(1.1rem, 1.02rem + 0.5vw, 1.35rem); color: var(--muted); line-height: 1.55; }
.measure { max-width: 60ch; }
.measure-tight { max-width: 46ch; }

/* technical annotation label (the structural signature) */
.eyebrow {
  display: inline-flex; align-items: center; gap: .6rem;
  font-family: var(--ff-mono); font-weight: 500; font-size: .76rem;
  letter-spacing: 0.16em; text-transform: uppercase; color: var(--signal-deep);
}
.eyebrow::before {
  content: ""; width: 7px; height: 7px; border-radius: 50%;
  background: var(--signal); box-shadow: 0 0 0 4px rgba(20,200,160,.18);
  animation: pulse-dot 2.4s var(--ease) infinite;
}
.on-dark .eyebrow { color: var(--signal-2); }
@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 0 4px rgba(20,200,160,.16); }
  50%      { box-shadow: 0 0 0 7px rgba(20,200,160,0); }
}

.mono { font-family: var(--ff-mono); font-size: .82rem; letter-spacing: .02em; }

/* ---------- Buttons ------------------------------------------------------ */
.btn {
  display: inline-flex; align-items: center; gap: .6rem;
  font-family: var(--ff-display); font-weight: 500; font-size: 1rem;
  padding: .82rem 1.5rem; border-radius: 10px;
  transition: transform .18s var(--ease), background .2s var(--ease), box-shadow .2s var(--ease), color .2s var(--ease);
  white-space: nowrap;
}
.btn svg { width: 1.05em; height: 1.05em; transition: transform .2s var(--ease); }
.btn:hover svg.arrow { transform: translateX(3px); }
.btn-primary { background: var(--ink); color: var(--paper); box-shadow: var(--shadow); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); background: #0d2236; }
.btn-signal { background: var(--signal); color: var(--ink); }
.btn-signal:hover { transform: translateY(-2px); background: var(--signal-2); box-shadow: 0 16px 34px -16px rgba(20,200,160,.6); }
.btn-ghost { border: 1px solid var(--line); color: var(--ink); background: var(--paper-2); }
.btn-ghost:hover { border-color: var(--ink); transform: translateY(-2px); }
.on-dark .btn-ghost { border-color: var(--ink-3); color: var(--paper); background: transparent; }
.on-dark .btn-ghost:hover { border-color: var(--signal-2); color: #fff; }

/* ---------- Header ------------------------------------------------------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(244,246,242,.78);
  backdrop-filter: saturate(150%) blur(14px);
  -webkit-backdrop-filter: saturate(150%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s var(--ease), background .3s var(--ease);
}
.site-header.scrolled { border-bottom-color: var(--line); }
.nav { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { display: inline-flex; align-items: center; gap: .65rem; font-family: var(--ff-display); font-weight: 700; font-size: 1.22rem; letter-spacing: -0.02em; }
.brand .mark { width: 30px; height: 30px; flex: none; }
.brand b { color: var(--signal-deep); font-weight: 700; }
.nav-links { display: flex; align-items: center; gap: 2rem; }
.nav-links a { font-size: .98rem; color: var(--muted); transition: color .18s var(--ease); position: relative; }
.nav-links a:hover, .nav-links a.active { color: var(--ink); }
.nav-links a.active::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -6px; height: 2px;
  background: var(--signal); border-radius: 2px;
}
.nav-right { display: flex; align-items: center; gap: 1rem; }
.nav-toggle { display: none; width: 44px; height: 44px; align-items: center; justify-content: center; border-radius: 9px; border: 1px solid var(--line); }
.nav-toggle span { display: block; width: 20px; height: 2px; background: var(--ink); position: relative; transition: .25s var(--ease); }
.nav-toggle span::before, .nav-toggle span::after { content: ""; position: absolute; left: 0; width: 20px; height: 2px; background: var(--ink); transition: .25s var(--ease); }
.nav-toggle span::before { top: -6px; } .nav-toggle span::after { top: 6px; }
.nav-toggle[aria-expanded="true"] span { background: transparent; }
.nav-toggle[aria-expanded="true"] span::before { top: 0; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after { top: 0; transform: rotate(-45deg); }

/* ---------- Hero --------------------------------------------------------- */
.hero { position: relative; padding-block: clamp(3rem, 6vw, 6rem) clamp(4rem, 8vw, 7rem); overflow: hidden; }
.hero::before {
  /* faint blueprint grid */
  content: ""; position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background-image: linear-gradient(var(--line-soft) 1px, transparent 1px),
                    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 46px 46px;
  -webkit-mask-image: radial-gradient(120% 90% at 70% 10%, #000 30%, transparent 78%);
          mask-image: radial-gradient(120% 90% at 70% 10%, #000 30%, transparent 78%);
}
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.05fr 1fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: center; }
.hero-copy { max-width: 36rem; }
.hero h1 { margin-top: 1.4rem; }
.hero h1 .grad { color: var(--signal-deep); }
.hero .lead { margin-top: 1.5rem; }
.hero-cta { display: flex; flex-wrap: wrap; gap: .9rem; margin-top: 2.1rem; }
.hero-status {
  margin-top: 2.4rem; display: flex; flex-wrap: wrap; gap: .5rem 1.4rem;
  font-family: var(--ff-mono); font-size: .8rem; color: var(--muted);
  padding-top: 1.4rem; border-top: 1px dashed var(--line);
}
.hero-status b { color: var(--ink); font-weight: 500; }
.stat-dot { color: var(--signal-deep); }

/* ---------- Hero diagram (signature) ------------------------------------ */
.diagram-panel {
  position: relative; background: var(--paper-2); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 1.4rem; box-shadow: var(--shadow-lg);
}
.diagram-panel::after {
  content: "architecture.svg"; position: absolute; top: -10px; right: 16px;
  font-family: var(--ff-mono); font-size: .68rem; letter-spacing: .08em;
  background: var(--ink); color: var(--paper); padding: .25rem .6rem; border-radius: 6px;
}
.diagram-head { display: flex; align-items: center; gap: .45rem; margin-bottom: .9rem; padding-bottom: .9rem; border-bottom: 1px solid var(--line-soft); }
.diagram-head i { width: 11px; height: 11px; border-radius: 50%; display: inline-block; }
.dh-1 { background: #FF6155; } .dh-2 { background: var(--amber); } .dh-3 { background: var(--signal); }
.diagram-head span { margin-left: auto; font-family: var(--ff-mono); font-size: .72rem; color: var(--muted); }

.diagram-note { margin-top: 1.1rem; color: var(--muted); font-size: .78rem; line-height: 1.5; }
.cta-box .eyebrow { color: var(--signal-2); }
.arch svg { width: 100%; height: auto; }
.arch .node-box { fill: var(--paper-3); stroke: var(--ink-3); stroke-opacity: .25; }
.arch .node-box.live { stroke: var(--signal); stroke-opacity: .55; }
.arch .node-label { font-family: var(--ff-display); font-weight: 500; font-size: 13px; fill: var(--ink); }
.arch .node-sub { font-family: var(--ff-mono); font-size: 9px; fill: var(--muted); letter-spacing: .04em; }
.arch .wire { fill: none; stroke: var(--line); stroke-width: 2; }
.arch .flow {
  fill: none; stroke: var(--signal); stroke-width: 2.4; stroke-linecap: round;
  stroke-dasharray: 14 150; animation: flow-move 3.4s linear infinite;
}
.arch .flow.d2 { animation-delay: .55s; stroke: var(--signal-deep); }
.arch .flow.d3 { animation-delay: 1.1s; }
.arch .flow.d4 { animation-delay: 1.65s; stroke: var(--signal-deep); }
.arch .ping { fill: var(--signal); animation: ping 2.6s var(--ease) infinite; transform-origin: center; transform-box: fill-box; }
.arch .ping.p2 { animation-delay: .8s; } .arch .ping.p3 { animation-delay: 1.4s; } .arch .ping.p4 { animation-delay: 2s; }
@keyframes flow-move { to { stroke-dashoffset: -164; } }
@keyframes ping { 0%, 70%, 100% { opacity: .35; } 30% { opacity: 1; } }

/* ---------- Logo / trust strip ------------------------------------------ */
.trust { border-block: 1px solid var(--line-soft); background: var(--paper-3); }
.trust-inner { display: flex; flex-wrap: wrap; align-items: center; gap: 1.4rem 2.6rem; padding-block: 1.5rem; }
.trust-label { font-family: var(--ff-mono); font-size: .74rem; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.trust-items { display: flex; flex-wrap: wrap; gap: 1rem 2rem; align-items: center; margin-left: auto; }
.trust-items span { font-family: var(--ff-display); font-weight: 500; color: var(--ink); opacity: .72; font-size: 1rem; }

/* ---------- Section header ---------------------------------------------- */
.sec-head { max-width: 56rem; }
.sec-head .eyebrow { margin-bottom: 1rem; }
.sec-head p { margin-top: 1.1rem; }
.sec-head.center { margin-inline: auto; }

/* ---------- Services grid ----------------------------------------------- */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; margin-top: 3rem; }
.card {
  position: relative; background: var(--paper-2); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 1.7rem 1.6rem 1.8rem;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), border-color .25s var(--ease);
  overflow: hidden;
}
.card::before {
  content: ""; position: absolute; left: 0; top: 0; height: 3px; width: 0;
  background: linear-gradient(90deg, var(--signal), var(--signal-deep));
  transition: width .35s var(--ease);
}
.card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); border-color: transparent; }
.card:hover::before { width: 100%; }
.card-num { font-family: var(--ff-mono); font-size: .76rem; color: var(--muted); letter-spacing: .08em; }
.card-icon { width: 46px; height: 46px; border-radius: 11px; display: grid; place-items: center; background: var(--ink); color: var(--signal-2); margin: 1rem 0 1.1rem; }
.card-icon svg { width: 23px; height: 23px; }
.card h3 { margin-bottom: .55rem; }
.card p { color: var(--muted); font-size: .98rem; }
.card-tags { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: 1.1rem; }
.tag { font-family: var(--ff-mono); font-size: .7rem; padding: .25rem .55rem; border-radius: 6px; background: var(--paper-3); color: var(--muted); border: 1px solid var(--line-soft); }

/* ---------- Process ------------------------------------------------------ */
.process { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.25rem; margin-top: 3rem; counter-reset: step; }
.step { position: relative; padding-top: 2.2rem; }
.step::before {
  counter-increment: step; content: counter(step, decimal-leading-zero);
  font-family: var(--ff-mono); font-weight: 500; font-size: .82rem; color: var(--signal-deep);
  position: absolute; top: 0; left: 0;
}
.step::after { content: ""; position: absolute; top: .35rem; left: 2.4rem; right: -1.25rem; height: 1px; background: var(--line); }
.step:last-child::after { display: none; }
.step h3 { font-size: 1.15rem; margin-bottom: .5rem; }
.step p { color: var(--muted); font-size: .95rem; }
.step .tool { display: inline-block; margin-top: .8rem; font-family: var(--ff-mono); font-size: .72rem; color: var(--ink); background: var(--paper-3); border: 1px solid var(--line-soft); padding: .2rem .5rem; border-radius: 6px; }

/* ---------- Split feature (metrics) ------------------------------------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: center; }
.metrics { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.metric { background: var(--paper-2); padding: 1.6rem 1.5rem; }
.metric .num { font-family: var(--ff-display); font-weight: 700; font-size: clamp(2.2rem, 1.6rem + 2vw, 3.2rem); letter-spacing: -0.03em; line-height: 1; }
.metric .num .unit { color: var(--signal-deep); }
.metric .lbl { margin-top: .55rem; font-size: .92rem; color: var(--muted); }
.checklist { display: grid; gap: 1rem; margin-top: 1.8rem; }
.check { display: flex; gap: .8rem; align-items: flex-start; }
.check .tick { flex: none; width: 24px; height: 24px; border-radius: 7px; background: rgba(20,200,160,.14); color: var(--signal-deep); display: grid; place-items: center; margin-top: .1rem; }
.check .tick svg { width: 14px; height: 14px; }
.check b { font-weight: 600; }
.check span { color: var(--muted); display: block; font-size: .96rem; }

/* ---------- Security band (dark) ---------------------------------------- */
.band-dark { background: var(--ink); color: var(--paper); position: relative; overflow: hidden; }
.band-dark::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 52px 52px;
  -webkit-mask-image: radial-gradient(100% 80% at 20% 0%, #000, transparent 75%);
          mask-image: radial-gradient(100% 80% at 20% 0%, #000, transparent 75%);
}
.band-dark .wrap { position: relative; z-index: 1; }
.band-dark h2, .band-dark h3 { color: var(--paper); }
.band-dark .lead, .band-dark p { color: var(--muted-d); }
.sec-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-top: 3rem; }
.sec-item { border: 1px solid var(--ink-3); border-radius: var(--radius); padding: 1.6rem 1.5rem; background: linear-gradient(180deg, rgba(255,255,255,.025), transparent); transition: border-color .25s var(--ease), transform .25s var(--ease); }
.sec-item:hover { border-color: rgba(20,227,176,.5); transform: translateY(-4px); }
.sec-item .ic { width: 42px; height: 42px; border-radius: 10px; display: grid; place-items: center; background: rgba(20,227,176,.12); color: var(--signal-2); margin-bottom: 1rem; }
.sec-item .ic svg { width: 22px; height: 22px; }
.sec-item h3 { font-size: 1.12rem; margin-bottom: .5rem; }

/* ---------- CTA ---------------------------------------------------------- */
.cta-box {
  background: var(--ink); color: var(--paper); border-radius: 20px;
  padding: clamp(2.4rem, 5vw, 4.2rem); text-align: center; position: relative; overflow: hidden;
}
.cta-box::before {
  content: ""; position: absolute; width: 480px; height: 480px; border-radius: 50%;
  background: radial-gradient(circle, rgba(20,227,176,.22), transparent 65%);
  top: -180px; right: -120px; pointer-events: none;
}
.cta-box h2 { color: var(--paper); position: relative; }
.cta-box p { color: var(--muted-d); margin: 1rem auto 0; position: relative; }
.cta-box .hero-cta { justify-content: center; position: relative; }

/* ---------- Footer ------------------------------------------------------- */
.site-footer { background: var(--ink-2); color: var(--muted-d); padding-block: clamp(3.5rem, 6vw, 5rem) 2rem; }
.foot-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 2rem; }
.foot-brand .brand { color: var(--paper); }
.foot-brand p { margin-top: 1rem; max-width: 30ch; font-size: .95rem; }
.foot-col h4 { font-family: var(--ff-mono); font-weight: 500; font-size: .76rem; letter-spacing: .12em; text-transform: uppercase; color: var(--muted-d); margin-bottom: 1.1rem; }
.foot-col a { display: block; color: #C5D2DD; font-size: .96rem; padding: .3rem 0; transition: color .18s var(--ease); }
.foot-col a:hover { color: var(--signal-2); }
.foot-bottom { display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between; align-items: center; margin-top: 3rem; padding-top: 1.6rem; border-top: 1px solid var(--ink-3); font-size: .88rem; }
.foot-bottom .mono { color: var(--muted-d); }

/* ---------- Page hero (interior pages) ---------------------------------- */
.page-hero { padding-block: clamp(3rem, 6vw, 5rem) clamp(2rem, 4vw, 3rem); position: relative; }
.page-hero .eyebrow { margin-bottom: 1.1rem; }
.page-hero h1 { font-size: clamp(2.3rem, 1.6rem + 3vw, 4rem); letter-spacing: -0.035em; }
.page-hero p { margin-top: 1.2rem; }
.crumbs { font-family: var(--ff-mono); font-size: .76rem; color: var(--muted); margin-bottom: 1.4rem; letter-spacing: .03em; }
.crumbs a:hover { color: var(--signal-deep); }

/* ---------- Detailed service rows --------------------------------------- */
.svc-row { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 4rem); align-items: center; padding-block: clamp(2.5rem, 5vw, 4rem); border-top: 1px solid var(--line); }
.svc-row:nth-child(even) .svc-visual { order: -1; }
.svc-row .eyebrow { margin-bottom: 1rem; }
.svc-row h2 { font-size: clamp(1.7rem, 1.3rem + 1.6vw, 2.4rem); }
.svc-row p { color: var(--muted); margin-top: 1rem; }
.svc-list { display: grid; gap: .7rem; margin-top: 1.4rem; }
.svc-list li { display: flex; gap: .7rem; align-items: flex-start; font-size: .98rem; }
.svc-list .tick { flex: none; width: 20px; height: 20px; border-radius: 6px; background: rgba(20,200,160,.14); color: var(--signal-deep); display: grid; place-items: center; margin-top: .15rem; }
.svc-list .tick svg { width: 12px; height: 12px; }
.svc-visual { background: var(--paper-2); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.5rem; box-shadow: var(--shadow); }

/* code/schema mock */
.codeblock { background: var(--ink); border-radius: var(--radius); padding: 1.3rem 1.4rem; overflow: auto; box-shadow: var(--shadow); }
.codeblock pre { font-family: var(--ff-mono); font-size: .82rem; line-height: 1.7; color: #C9D6E2; white-space: pre; }
.codeblock .k { color: var(--signal-2); } .codeblock .s { color: #FFD479; } .codeblock .c { color: #6C8197; } .codeblock .n { color: #8FB8FF; }

/* ---------- About: values + principles ---------------------------------- */
.values { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; margin-top: 3rem; }
.value { border: 1px solid var(--line); border-radius: var(--radius); padding: 1.6rem 1.5rem; background: var(--paper-2); }
.value .vnum { font-family: var(--ff-mono); color: var(--signal-deep); font-size: .8rem; }
.value h3 { margin: .8rem 0 .5rem; font-size: 1.2rem; }
.value p { color: var(--muted); font-size: .96rem; }

/* Careers — open roles */
.roles { display: grid; gap: 1.1rem; margin-top: 2.8rem; }
.role {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.7rem 1.6rem;
  background: var(--paper-2);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.role:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); border-color: transparent; }
.role-head { display: flex; flex-wrap: wrap; align-items: center; gap: .6rem 1rem; }
.role-head h3 { font-size: 1.25rem; margin: 0; margin-right: auto; }
.role-tags { display: flex; flex-wrap: wrap; gap: .4rem; }
.role > p { color: var(--muted); font-size: .99rem; margin-top: .8rem; max-width: 72ch; }
.role .svc-list { margin-top: 1.1rem; }
.role-foot { margin-top: 1.5rem; }

.principles { display: grid; gap: 0; margin-top: 2.5rem; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.principle { display: grid; grid-template-columns: auto 1fr; gap: 1.4rem; padding: 1.5rem; background: var(--paper-2); border-bottom: 1px solid var(--line); align-items: start; }
.principle:last-child { border-bottom: none; }
.principle .pk { font-family: var(--ff-mono); font-size: .82rem; color: var(--muted); white-space: nowrap; padding-top: .2rem; }
.principle b { font-family: var(--ff-display); font-weight: 600; font-size: 1.1rem; display: block; margin-bottom: .35rem; }
.principle p { color: var(--muted); font-size: .97rem; }

/* ---------- Contact ------------------------------------------------------ */
.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(2rem, 5vw, 4rem); align-items: start; }
.contact-aside .eyebrow { margin-bottom: 1rem; }
.contact-aside h1 { font-size: clamp(2.2rem, 1.6rem + 2.6vw, 3.4rem); }
.contact-aside p { margin-top: 1.1rem; }
.contact-points { display: grid; gap: 1.2rem; margin-top: 2.2rem; }
.cpoint { display: flex; gap: .9rem; align-items: flex-start; }
.cpoint .ic { flex: none; width: 40px; height: 40px; border-radius: 10px; background: var(--ink); color: var(--signal-2); display: grid; place-items: center; }
.cpoint .ic svg { width: 19px; height: 19px; }
.cpoint b { display: block; font-family: var(--ff-display); font-weight: 600; }
.cpoint span { color: var(--muted); font-size: .95rem; }
.trust-badges { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 2.4rem; }
.trust-badges .tag { background: var(--paper-2); }

.form-card { background: var(--paper-2); border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(1.6rem, 3vw, 2.4rem); box-shadow: var(--shadow); }
.field { margin-bottom: 1.15rem; }
.field label { display: block; font-weight: 500; font-size: .92rem; margin-bottom: .45rem; }
.field label .req { color: #E0533D; }
.field input, .field select, .field textarea {
  width: 100%; font: inherit; font-size: .98rem; color: var(--ink);
  background: var(--paper); border: 1px solid var(--line); border-radius: 10px;
  padding: .8rem .95rem; transition: border-color .18s var(--ease), box-shadow .18s var(--ease), background .18s var(--ease);
}
.field textarea { resize: vertical; min-height: 130px; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--signal-deep); background: var(--paper-2);
  box-shadow: 0 0 0 4px rgba(20,200,160,.14);
}
.field input[aria-invalid="true"], .field textarea[aria-invalid="true"] { border-color: #E0533D; box-shadow: 0 0 0 4px rgba(224,83,61,.12); }
.field .err { display: none; color: #C23B26; font-size: .82rem; margin-top: .4rem; font-family: var(--ff-mono); }
.field.invalid .err { display: block; }
.row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1.15rem; }
/* honeypot — hidden from humans, visible to naive bots */
.hp { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; overflow: hidden; }
.form-foot { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem; justify-content: space-between; margin-top: .5rem; }
.privacy-note { font-size: .82rem; color: var(--muted); display: flex; gap: .5rem; align-items: center; max-width: 30ch; }
.privacy-note svg { width: 15px; height: 15px; flex: none; color: var(--signal-deep); }
.form-status { margin-top: 1.1rem; padding: .9rem 1.1rem; border-radius: 10px; font-size: .95rem; display: none; }
.form-status.show { display: block; }
.form-status.ok { background: rgba(20,200,160,.12); color: var(--signal-deep); border: 1px solid rgba(20,200,160,.3); }
.form-status.bad { background: rgba(224,83,61,.1); color: #B4351F; border: 1px solid rgba(224,83,61,.3); }
.btn[disabled] { opacity: .6; cursor: progress; }
.spin { width: 1em; height: 1em; border: 2px solid currentColor; border-right-color: transparent; border-radius: 50%; animation: spin .7s linear infinite; display: none; }
.is-loading .spin { display: inline-block; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- FAQ ---------------------------------------------------------- */
.faq { max-width: 800px; margin: 3rem auto 0; }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { list-style: none; cursor: pointer; padding: 1.3rem 0; display: flex; align-items: center; justify-content: space-between; gap: 1rem; font-family: var(--ff-display); font-weight: 600; font-size: 1.08rem; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary .pm { flex: none; width: 26px; height: 26px; border-radius: 7px; border: 1px solid var(--line); display: grid; place-items: center; transition: .2s var(--ease); position: relative; }
.faq summary .pm::before, .faq summary .pm::after { content: ""; position: absolute; background: var(--ink); border-radius: 2px; }
.faq summary .pm::before { width: 12px; height: 2px; } .faq summary .pm::after { width: 2px; height: 12px; transition: .2s var(--ease); }
.faq details[open] summary .pm { background: var(--signal); border-color: var(--signal); }
.faq details[open] summary .pm::after { transform: rotate(90deg); opacity: 0; }
.faq details[open] summary .pm::before { background: var(--ink); }
.faq .faq-a { padding: 0 0 1.4rem; color: var(--muted); max-width: 70ch; }

/* ---------- Reveal-on-scroll -------------------------------------------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; } }

/* ---------- Responsive --------------------------------------------------- */
@media (max-width: 940px) {
  .hero-grid { grid-template-columns: 1fr; }
  .diagram-panel { max-width: 540px; }
  .split, .contact-grid, .svc-row { grid-template-columns: 1fr; }
  .svc-row:nth-child(even) .svc-visual { order: 0; }
  .cards, .sec-grid, .values { grid-template-columns: repeat(2, 1fr); }
  .process { grid-template-columns: repeat(2, 1fr); gap: 2rem 1.25rem; }
  .step::after { display: none; }
  .foot-grid { grid-template-columns: 1fr 1fr; gap: 2rem 1.5rem; }
  .foot-brand { grid-column: 1 / -1; }
}
@media (max-width: 760px) {
  .nav-links, .nav-right .btn { display: none; }
  .nav-toggle { display: flex; }
  .site-header.menu-open .nav-links {
    display: flex; position: absolute; top: 72px; left: 0; right: 0; flex-direction: column;
    align-items: flex-start; gap: 0; background: var(--paper-2); border-bottom: 1px solid var(--line);
    padding: .5rem var(--gutter) 1.4rem; box-shadow: var(--shadow);
  }
  .site-header.menu-open .nav-links a { width: 100%; padding: .9rem 0; border-bottom: 1px solid var(--line-soft); }
  .site-header.menu-open .nav-links a.active::after { display: none; }
  .site-header.menu-open .nav-links .btn { display: inline-flex; margin-top: 1rem; }
}
@media (max-width: 560px) {
  .cards, .sec-grid, .values, .metrics, .row-2 { grid-template-columns: 1fr; }
  .process { grid-template-columns: 1fr; }
  .foot-grid { grid-template-columns: 1fr; }
  .hero-cta .btn { flex: 1 1 auto; justify-content: center; }
}