/* ============================================================
   Amarillo Technologies / LOTØShield — Phase 1 site styles
   Brand: dark navy + metallic silver, safety-yellow accent
   Display: Conthrax SemiBold (brand font, provided by ATI)
   Body: Mulish
   Themes: light (default) + dark via [data-theme="dark"]
   ============================================================ */

@font-face{
  font-family:"Conthrax";
  src:url("../assets/fonts/Conthrax-SemiBold.woff2") format("woff2");
  font-weight:400 700;
  font-style:normal;
  font-display:swap;
}

:root{
  /* fixed brand palette */
  --navy-950:#081120;
  --navy-900:#0B1624;
  --navy-800:#10233A;
  --navy-700:#1B3450;
  --navy-600:#27466A;
  --steel-050:#F4F7FA;
  --steel-100:#E9EEF4;
  --steel-200:#D5DDE7;
  --steel-300:#B9C5D3;
  --steel-500:#7E8FA3;
  --steel-700:#4A5B70;
  --yellow:#F5B700;
  --yellow-deep:#D99E00;
  --safety-red:#D64541;
  --green:#2E9E6B;
  --white:#FFFFFF;

  /* semantic tokens — LIGHT */
  --bg:#FFFFFF;
  --surface:#FFFFFF;
  --surface-alt:#F4F7FA;
  --text:#15202E;
  --heading:#0B1624;
  --muted:#4A5B70;
  --subtle:#7E8FA3;
  --line:#D5DDE7;
  --line-strong:#B9C5D3;
  --link:#27466A;
  --accent-text:#D99E00;     /* yellow that passes on light bg */
  --field-bg:#FFFFFF;
  --header-bg:rgba(255,255,255,.92);
  --header-text:#1B3450;
  --header-line:rgba(16,35,58,.12);
  --nav-hover-bg:rgba(16,35,58,.06);
  --nav-hover-text:#0B1624;
  --notice-bg:#FFF7DF;--notice-line:#EAD48F;--notice-text:#6B5A14;

  --font-display:"Conthrax","Trebuchet MS",sans-serif;
  --font-body:"Mulish","Segoe UI",Helvetica,Arial,sans-serif;

  --maxw:1160px;
  --radius:10px;
  --shadow:0 10px 30px rgba(8,17,32,.10);
  --shadow-lg:0 24px 60px rgba(8,17,32,.18);
}

[data-theme="dark"]{
  --bg:#0A1320;
  --surface:#111F31;
  --surface-alt:#0D1828;
  --text:#D8E2EE;
  --heading:#F2F6FB;
  --muted:#9FB0C3;
  --subtle:#7E8FA3;
  --line:#22344B;
  --line-strong:#2E4460;
  --link:#9FC1E8;
  --accent-text:#F5B700;
  --field-bg:#0D1828;
  --header-bg:rgba(8,17,32,.92);
  --header-text:#D5DDE7;
  --header-line:rgba(185,197,211,.15);
  --nav-hover-bg:rgba(255,255,255,.06);
  --nav-hover-text:#FFFFFF;
  --notice-bg:#2A2410;--notice-line:#574A18;--notice-text:#EAD48F;
  --shadow:0 10px 30px rgba(0,0,0,.35);
  --shadow-lg:0 24px 60px rgba(0,0,0,.5);
}

*{box-sizing:border-box}
html{
  scroll-behavior:smooth;
  /* Single source of truth for the type scale. Every rem on the site keys off
     this, so nudge it here rather than touching individual rules. */
  font-size:112.5%;   /* 18px */
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
}
body{
  margin:0;
  font-family:var(--font-body);
  font-size:1.03rem;
  line-height:1.65;
  color:var(--text);
  background:var(--bg);
}
img,svg,video{max-width:100%;height:auto}
a{color:var(--link)}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:3px solid var(--yellow);outline-offset:2px;border-radius:3px;
}

h1,h2,h3,h4{font-family:var(--font-display);color:var(--heading);line-height:1.18;margin:0 0 .5em;font-weight:600;letter-spacing:.01em}
h1{font-size:clamp(1.85rem,3.7vw,2.75rem)}
h2{font-size:clamp(1.45rem,2.7vw,2.05rem)}
h3{font-size:1.2rem}
h4{font-size:1.02rem}
p{margin:0 0 1em}
.lede{font-size:1.24rem;color:var(--muted)}
.eyebrow{
  font-family:var(--font-body);font-weight:800;font-size:.78rem;
  letter-spacing:.16em;text-transform:uppercase;color:var(--yellow);
  background:var(--navy-900);
  display:inline-block;padding:.4em .9em;border-radius:5px;
  margin-bottom:.8rem;
}
.on-dark .eyebrow{color:var(--yellow);background:transparent;padding:0;border-radius:0;display:block}
.on-dark h1,.on-dark h2,.on-dark h3{color:var(--white)}
.on-dark p{color:var(--steel-300)}
.on-dark .lede{color:var(--steel-200)}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
section{padding:72px 0}
.section-tight{padding:48px 0}
.bg-steel{background:var(--surface-alt)}
.bg-navy{background:linear-gradient(180deg,var(--navy-950) 0%,var(--navy-800) 100%)}
.center{text-align:center}

/* ---------- Buttons ---------- */
.btn{
  display:inline-block;font-family:var(--font-body);font-weight:800;font-size:.95rem;
  padding:.85em 1.7em;border-radius:6px;text-decoration:none;border:2px solid transparent;
  cursor:pointer;transition:transform .12s ease,box-shadow .12s ease,background .12s ease;
}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--yellow);color:var(--navy-950)}
.btn-primary:hover{background:#FFC81F;box-shadow:0 6px 18px rgba(245,183,0,.35)}
.btn-ghost{background:transparent;color:var(--white);border-color:var(--steel-500)}
.btn-ghost:hover{border-color:var(--white)}
.btn-navy{background:var(--navy-800);color:var(--white)}
.btn-navy:hover{background:var(--navy-700)}
[data-theme="dark"] .btn-navy{background:var(--navy-700);border-color:var(--line-strong)}
[data-theme="dark"] .btn-navy:hover{background:var(--navy-600)}
.btn-row{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- Header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:var(--header-bg);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--header-line);
}
.nav-inner{max-width:var(--maxw);margin:0 auto;padding:0 24px;display:flex;align-items:center;gap:24px;min-height:72px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;margin-right:auto}
.brand img{height:40px;width:auto}
/* theme-conditional logo + shield images */
[data-theme="dark"] .only-light{display:none!important}
:root:not([data-theme="dark"]) .only-dark{display:none!important}
html:not([data-theme="dark"]) .only-dark{display:none!important}
.nav-links{display:flex;align-items:center;gap:4px;list-style:none;margin:0;padding:0}
.nav-links>li{position:relative}
.nav-links a,.nav-links button.navtop{
  display:block;color:var(--header-text);text-decoration:none;font-weight:700;font-size:.92rem;
  padding:10px 14px;background:none;border:0;font-family:var(--font-body);cursor:pointer;border-radius:6px;
}
.nav-links a:hover,.nav-links button.navtop:hover{color:var(--nav-hover-text);background:var(--nav-hover-bg)}
.nav-links .cta a{background:var(--yellow);color:var(--navy-950);border-radius:6px;margin-left:8px}
.nav-links .cta a:hover{background:#FFC81F;color:var(--navy-950)}
.dropdown{position:absolute;top:100%;left:0;min-width:250px;background:var(--surface);
  border:1px solid var(--line);border-radius:8px;box-shadow:var(--shadow-lg);padding:8px;display:none;z-index:60}
.dropdown a{color:var(--text);padding:9px 12px;font-weight:600;border-radius:6px}
.dropdown a:hover{background:var(--nav-hover-bg);color:var(--heading)}
li.has-dd:hover>.dropdown,li.has-dd:focus-within>.dropdown{display:block}
.nav-toggle{display:none;background:none;border:0;color:var(--header-text);font-size:1.7rem;cursor:pointer;padding:6px 10px}

/* theme toggle */
.theme-toggle{
  background:none;border:1px solid var(--line-strong);border-radius:50%;
  width:38px;height:38px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;
  color:var(--header-text);flex:0 0 auto;
}
.theme-toggle:hover{background:var(--nav-hover-bg)}
.theme-toggle svg{width:18px;height:18px;fill:currentColor}
.theme-toggle .ic-moon{display:none}
[data-theme="dark"] .theme-toggle .ic-sun{display:none}
[data-theme="dark"] .theme-toggle .ic-moon{display:block}

@media (max-width:920px){
  .nav-toggle{display:block;margin-left:auto}
  .brand{margin-right:0}
  .nav-inner{flex-wrap:wrap}
  .nav-links{display:none;width:100%;flex-direction:column;align-items:stretch;padding-bottom:16px}
  .nav-links.open{display:flex}
  .dropdown{position:static;display:block;box-shadow:none;background:transparent;border:0;padding-left:16px}
}

/* ---------- Hero (homepage video hero) ---------- */
.hero{
  position:relative;color:var(--white);overflow:hidden;
  background:
    radial-gradient(1200px 500px at 70% -10%, rgba(39,70,106,.55), transparent 60%),
    linear-gradient(180deg,var(--navy-950) 0%,var(--navy-900) 70%,var(--navy-800) 100%);
}
.hero-video-wrap{min-height:min(80vh,820px);display:flex;align-items:center;padding:96px 0}
.hero-video{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0;
  /* own compositor layer: keeps playback off the main-thread paint path */
  transform:translateZ(0);
  backface-visibility:hidden;
}
.hero-still{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:78% 50%;z-index:0;
  display:none;
}
.hero-scrim{
  position:absolute;inset:0;z-index:1;
  /* The scene is already dark behind the headline (~11:1 against white).
     This only knocks down transient bright spots — a lit vessel edge or a
     card drifting through — and clears the right side entirely. */
  background:
    radial-gradient(80% 120% at 12% 50%,
      rgba(8,17,32,.80) 0%,
      rgba(8,17,32,.68) 18%,
      rgba(8,17,32,.34) 38%,
      rgba(8,17,32,.10) 52%,
      rgba(8,17,32,0) 62%),
    linear-gradient(0deg,rgba(8,17,32,.30) 0%,transparent 24%);
}
.hero-content{position:relative;z-index:2;max-width:var(--maxw);margin:0 auto;padding:0 24px;width:100%}
.hero-content .inner{max-width:640px}
/* Text carries its own contrast rather than relying on a heavy overlay.
   This is a scrim shaped to the glyphs — it protects legibility against the
   brightest ~1% of pixels without touching the rest of the image. */
.hero h1,.hero .lede,.hero-tagline{
  text-shadow:0 1px 2px rgba(8,17,32,.95),
              0 2px 10px rgba(8,17,32,.90),
              0 0 32px rgba(8,17,32,.70);
}
.hero h1{color:var(--white)}
.hero .lede{color:var(--steel-200)}
.hero-tagline{font-family:var(--font-display);color:var(--yellow);letter-spacing:.06em;margin-bottom:1rem;font-size:.85rem;text-transform:uppercase}
@media (prefers-reduced-motion:reduce){
  .hero-video{display:none}
  .hero-still{display:block}
}
@media (max-width:640px){
  .hero-video-wrap{min-height:0;padding:72px 0}
  /* text spans the full width on mobile, so the falloff is even rather than left-weighted */
  .hero-scrim{background:linear-gradient(180deg,rgba(8,17,32,.62) 0%,rgba(8,17,32,.50) 60%,rgba(8,17,32,.66) 100%)}
}

/* page hero (interior pages) */
.page-hero{background:linear-gradient(180deg,var(--navy-950),var(--navy-800));color:var(--white);padding:64px 0 48px}
.page-hero h1{color:var(--white)}
.page-hero p{color:var(--steel-200);max-width:760px}
.breadcrumbs{font-size:.82rem;color:var(--steel-500);margin-bottom:1rem}
.breadcrumbs a{color:var(--steel-300);text-decoration:none}
.breadcrumbs a:hover{text-decoration:underline}

/* ---------- Cards & grids ---------- */
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
@media (max-width:920px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}
@media (min-width:640px) and (max-width:920px){.grid-4{grid-template-columns:1fr 1fr}}

.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px;box-shadow:var(--shadow);
}
.card h3{margin-top:.6rem}
.founder-meta{color:var(--steel-700)}
[data-theme="dark"] .founder-meta{color:var(--white)}
.card .learn{font-weight:800;text-decoration:none;color:var(--link)}
.card .learn:hover{color:var(--heading)}
.pillar-icon{
  width:52px;height:52px;border-radius:12px;background:var(--navy-800);
  display:flex;align-items:center;justify-content:center;margin-bottom:8px;
}
[data-theme="dark"] .pillar-icon{background:var(--navy-700)}
.pillar-icon svg{width:28px;height:28px}

.benefit-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr;gap:10px}
.benefit-list li{display:flex;gap:10px;align-items:flex-start;font-weight:600;color:var(--text)}
.on-dark .benefit-list li,.bg-navy .benefit-list li{color:var(--white)}
.benefit-list .tick{flex:0 0 auto;width:20px;height:20px;margin-top:3px}

/* product imagery */
.shot{border-radius:12px;box-shadow:var(--shadow-lg);display:block}
.shot-frame{background:var(--surface-alt);border:1px solid var(--line);border-radius:16px;padding:26px;display:flex;align-items:center;justify-content:center}
.shot-frame .shot-stage{width:100%;height:auto;display:block}
.shot-row{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start}
@media (max-width:820px){.shot-row{grid-template-columns:1fr}}
.shot-cap{font-size:.86rem;color:var(--muted);margin-top:10px;text-align:center}

/* spec chips */
.spec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media (max-width:820px){.spec-grid{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.spec-grid{grid-template-columns:1fr}}
.spec{background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--yellow);
  border-radius:8px;padding:16px 18px;font-weight:700;color:var(--text)}

/* ---------- Comparison table ---------- */
.compare{width:100%;border-collapse:collapse;background:var(--surface);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.compare th,.compare td{padding:16px 18px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
.compare thead th{background:var(--navy-900);color:var(--white);font-family:var(--font-display);font-weight:600;font-size:.92rem}
.compare thead th:last-child{background:var(--navy-700);color:var(--yellow)}
.compare tbody th{font-weight:800;color:var(--text);width:18%}
.compare td.old{color:var(--muted)}
.compare td.new{font-weight:700;color:var(--heading)}
@media (max-width:720px){
  .compare,.compare thead,.compare tbody,.compare tr,.compare th,.compare td{display:block;width:100%}
  .compare thead{display:none}
  .compare td,.compare tbody th{border-bottom:0}
  .compare tr{border-bottom:1px solid var(--line);padding:8px 0}
  .compare td.old::before{content:"Traditional LOTO — ";font-weight:800;color:var(--subtle)}
  .compare td.new::before{content:"LOTØShield — ";font-weight:800;color:var(--accent-text)}
}

/* ---------- Steps (lockout walkthrough) ---------- */
.steps{counter-reset:step;list-style:none;margin:0;padding:0;display:grid;gap:18px}
.steps li{
  counter-increment:step;position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);padding:22px 24px 22px 84px;box-shadow:var(--shadow)
}
.steps li::before{
  content:counter(step);position:absolute;left:24px;top:22px;
  width:42px;height:42px;border-radius:50%;background:var(--navy-900);color:var(--yellow);
  font-family:var(--font-display);font-weight:600;font-size:1.1rem;
  display:flex;align-items:center;justify-content:center;
}
[data-theme="dark"] .steps li::before{background:var(--navy-700)}
.steps h3{margin-bottom:.3rem}

/* ---------- FAQ ---------- */
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:8px;margin-bottom:12px;box-shadow:var(--shadow)}
.faq summary{cursor:pointer;font-weight:800;color:var(--heading);padding:18px 22px;list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--font-body);font-weight:400;font-size:1.4rem;color:var(--accent-text);line-height:1}
.faq details[open] summary::after{content:"–"}
.faq .answer{padding:0 22px 18px;color:var(--muted)}

/* ---------- Forms ---------- */
.form-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:32px;box-shadow:var(--shadow)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media (max-width:640px){.form-grid{grid-template-columns:1fr}}
.field{display:flex;flex-direction:column;gap:6px}
.field.full{grid-column:1/-1}
.field label{font-weight:800;font-size:.88rem;color:var(--text)}
.field input,.field select,.field textarea{
  font:inherit;color:var(--text);padding:11px 12px;border:1px solid var(--line-strong);border-radius:6px;background:var(--field-bg)
}
.field textarea{min-height:140px;resize:vertical}
.field .error{color:var(--safety-red);font-size:.82rem;font-weight:700;display:none}
.field.invalid input,.field.invalid select,.field.invalid textarea{border-color:var(--safety-red)}
.field.invalid .error{display:block}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:.9rem;color:var(--muted)}
.consent input{margin-top:4px}

/* ---------- Doc library ---------- */
.doc-row{display:flex;gap:18px;align-items:center;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);padding:20px 24px;box-shadow:var(--shadow);margin-bottom:14px}
.doc-row .doc-ic{flex:0 0 auto}
[data-theme="dark"] .doc-ic path{stroke:var(--steel-300)}
.doc-row h3{margin:0 0 .2rem;font-size:1.05rem}
.doc-row p{margin:0;color:var(--muted);font-size:.95rem}
.doc-row .btn{margin-left:auto;white-space:nowrap}
@media (max-width:640px){.doc-row{flex-wrap:wrap}.doc-row .btn{margin-left:0}}

/* ---------- CTA band ---------- */
.cta-band{background:linear-gradient(135deg,var(--navy-900),var(--navy-700));color:var(--white);text-align:center;padding:64px 0}
.cta-band h2{color:var(--white)}
.cta-band p{color:var(--steel-200);max-width:620px;margin:0 auto 1.6em}

/* ---------- Notice (draft/legal flags) ---------- */
.notice{
  background:var(--notice-bg);border:1px solid var(--notice-line);border-left:5px solid var(--yellow);
  border-radius:8px;padding:14px 18px;font-size:.92rem;color:var(--notice-text);margin:0 0 28px;
}

/* ---------- Video block (click-to-play) ---------- */
.video-block{background:var(--navy-950);border-radius:14px;overflow:hidden;box-shadow:var(--shadow-lg)}
.video-block video{display:block;width:100%;height:auto}

/* ---------- Footer ---------- */
.site-footer{background:var(--navy-950);color:var(--steel-300);padding:64px 0 32px;font-size:.92rem}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:40px;margin-bottom:40px}
@media (max-width:920px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.footer-grid{grid-template-columns:1fr}}
.site-footer h4{color:var(--white);font-size:.85rem;letter-spacing:.12em;text-transform:uppercase;margin-bottom:1rem}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li{margin-bottom:.55rem}
.site-footer a{color:var(--steel-300);text-decoration:none}
.site-footer a:hover{color:var(--white);text-decoration:underline}
.footer-brand img.f-ati{height:40px;margin-bottom:14px;display:block}
.footer-ls{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.footer-ls img{height:42px;width:auto}
.ls-wordmark{font-family:var(--font-display);font-size:1.05rem;color:var(--white);letter-spacing:.02em}
.footer-tag{color:var(--steel-500);font-size:.86rem}
.newsletter{display:flex;gap:8px;margin-top:10px}
.newsletter input{flex:1;font:inherit;padding:10px 12px;border-radius:6px;border:1px solid var(--steel-700);background:var(--navy-800);color:var(--white)}
.newsletter button{font-weight:800;border:0;border-radius:6px;background:var(--yellow);color:var(--navy-950);padding:10px 16px;cursor:pointer}
.footer-legal{border-top:1px solid rgba(185,197,211,.18);padding-top:24px;display:flex;flex-wrap:wrap;gap:18px;justify-content:space-between;align-items:center;font-size:.84rem;color:var(--steel-500)}
.footer-legal a{color:var(--steel-500)}
.social{display:flex;gap:14px;margin-top:14px}
.social a{display:inline-flex;width:36px;height:36px;border-radius:50%;background:var(--navy-800);align-items:center;justify-content:center}
.social a:hover{background:var(--navy-700)}
.social svg{width:17px;height:17px;fill:var(--steel-200)}

/* ---------- Cookie banner ---------- */
.cookie-banner{
  position:fixed;left:16px;right:16px;bottom:16px;z-index:90;max-width:560px;margin:0 auto;
  background:var(--surface);border:1px solid var(--line);border-radius:12px;
  box-shadow:var(--shadow-lg);padding:20px 22px;display:none;
}
.cookie-banner.show{display:block}
.cookie-banner p{font-size:.9rem;color:var(--muted);margin-bottom:14px}
.cookie-actions{display:flex;gap:10px;flex-wrap:wrap}
.cookie-actions .btn-ghost{color:var(--text);border-color:var(--line-strong)}

/* ---------- Hero signal animation (legacy SVG composites) ---------- */
.signal-path{stroke-dasharray:6 10;animation:flow 1.6s linear infinite}
@keyframes flow{to{stroke-dashoffset:-32}}
.pulse{animation:pulse 2.4s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:.55}50%{opacity:1}}
@media (prefers-reduced-motion:reduce){.signal-path,.pulse{animation:none}}

/* diagram backplate needs to stay light for the navy diagram SVG */
.diagram-plate{background:#fff;border-radius:12px;padding:14px}

/* lock lifecycle list (how-it-works) */
.lifecycle{list-style:none;margin:0;padding:0;display:grid;gap:14px}
.lifecycle li{display:flex;gap:18px;align-items:flex-start;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px 24px;box-shadow:var(--shadow)}
.lifecycle .dot{flex:0 0 auto;width:18px;height:18px;border-radius:50%;margin-top:6px;box-shadow:0 0 0 4px var(--surface-alt)}
.lifecycle h3{margin:0 0 .25rem;font-size:1.05rem}
.lifecycle h3 em{font-style:normal;color:var(--muted);font-weight:600;font-size:.92rem}
.lifecycle p{margin:0;color:var(--muted)}

/* reveal on scroll */
/* Reveals are gated on the .js class (set pre-paint in the head script) so
   content is never hidden when JavaScript is unavailable. */
.js .reveal{opacity:0;transform:translateY(16px);transition:opacity .5s ease,transform .5s ease}
.js .reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.js .reveal{opacity:1;transform:none;transition:none}}

/* Smooth in-page scrolling (motion-safe only) */
@media (prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}

/* Reading progress bar (injected by site.js on long pages) */
#read-progress{position:fixed;top:0;left:0;height:3px;width:0;z-index:1200;
  background:linear-gradient(90deg,var(--navy-600),var(--yellow));
  pointer-events:none;transition:width .08s linear}
[data-theme="dark"] #read-progress{background:linear-gradient(90deg,var(--yellow),#ffd75e)}

/* Header elevation once the page is scrolled */
.site-header{transition:box-shadow .25s ease}
.site-header.scrolled{box-shadow:0 2px 18px rgba(8,17,32,.14)}
[data-theme="dark"] .site-header.scrolled{box-shadow:0 2px 18px rgba(0,0,0,.5)}

/* Form async states */
.form-note{display:none;margin-top:1rem;padding:12px 16px;border-radius:8px;font-size:.95rem}
.form-note.error{display:block;background:#FDECEC;border:1px solid #F0B9B7;color:#7A1C1C}
[data-theme="dark"] .form-note.error{background:rgba(214,69,65,.12);border-color:rgba(214,69,65,.45);color:#F1A9A6}

/* ---------- Industry cards ---------- */
.card.industry{padding:0;overflow:hidden;text-align:center}
.card.industry img{display:block;width:100%;aspect-ratio:16/9;object-fit:cover}
.card.industry h3{margin:0;padding:16px 18px 18px;font-size:1rem}

/* ---------- Conthrax header links ---------- */
.nav-links a,.nav-links button.navtop{font-family:var(--font-display);font-weight:600;font-size:.8rem;letter-spacing:.045em}
.dropdown a{font-family:var(--font-display);font-weight:600;font-size:.72rem;letter-spacing:.03em}
/* wider dropdown panel only on desktop, where it floats; on mobile it is a
   static, full-width list so a fixed min-width would overflow the screen */
@media (min-width:921px){.dropdown{min-width:300px}}

/* phone frame (mobile-app screenshot) */