/* SteelySystems 2026 brand refresh
   Editorial clarity over terminal decoration; product evidence stays central. */

:root {
  --head: "Inter Tight", "Rajdhani", sans-serif;
  --body: "Inter Tight", "Barlow", sans-serif;
}

body.site-refresh {
  font-family: var(--body);
  background:
    radial-gradient(circle at 78% 8%, rgba(74, 127, 165, 0.09), transparent 30rem),
    var(--black);
  color: var(--white);
  text-rendering: optimizeLegibility;
}

body.site-refresh h1,
body.site-refresh h2,
body.site-refresh h3,
body.site-refresh .section-title,
body.site-refresh .detail-title {
  font-family: var(--head);
  letter-spacing: -0.025em;
}

body.site-refresh p,
body.site-refresh li {
  line-height: 1.72;
}

body.site-refresh nav {
  background: rgba(8, 12, 16, 0.9);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

body.site-refresh a:focus-visible,
body.site-refresh button:focus-visible,
body.site-refresh input:focus-visible,
body.site-refresh select:focus-visible,
body.site-refresh textarea:focus-visible {
  outline: 2px solid var(--bright);
  outline-offset: 4px;
}

body.site-refresh section {
  scroll-margin-top: 6rem;
}

body.site-refresh #hero {
  grid-template-columns: minmax(0, 0.88fr) minmax(30rem, 1.12fr);
  gap: clamp(2rem, 5vw, 5rem);
  min-height: calc(100vh - 112px);
}

body.site-refresh #hero h1 {
  max-width: none;
  font-family: "Rajdhani", sans-serif;
  font-size: clamp(3.35rem, 5vw, 5.2rem);
  line-height: 0.94;
  letter-spacing: 0.015em;
}

body.site-refresh .hero-sub-claim {
  margin-top: 1.4rem;
  letter-spacing: 0.12em;
}

body.site-refresh .hero-desc {
  max-width: 38rem;
  font-size: clamp(1rem, 1.2vw, 1.12rem);
  color: var(--silver);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 1.75rem;
}

.hero-action {
  min-height: 3.35rem;
  padding: 0.95rem 1.35rem;
  border: 1px solid rgba(106, 174, 220, 0.42);
  border-radius: 3px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-decoration: none;
  text-transform: uppercase;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.hero-action:hover {
  transform: translateY(-2px);
  border-color: var(--bright);
}

.hero-action-primary {
  color: #071017;
  background: linear-gradient(135deg, var(--bright), #8bc4e8);
  box-shadow: 0 12px 34px rgba(106, 174, 220, 0.2);
}

.hero-action-secondary {
  color: var(--pale);
  background: rgba(13, 20, 27, 0.72);
}

.hero-proof-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1.2rem;
  margin-top: 1.25rem;
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.67rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.hero-proof-row span::before {
  content: "";
  display: inline-block;
  width: 0.34rem;
  height: 0.34rem;
  margin-right: 0.5rem;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px rgba(76, 175, 130, 0.55);
  vertical-align: 0.08rem;
}

.hero-mobile-proof {
  display: none;
  margin-top: 1.6rem;
  overflow: hidden;
  border: 1px solid rgba(106, 174, 220, 0.26);
  border-radius: 4px;
  background: var(--surface);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.34);
}

.hero-mobile-proof img {
  display: block;
  width: 100%;
  height: auto;
}

.hero-mobile-proof figcaption {
  padding: 0.8rem 1rem;
  color: var(--silver);
  font-family: var(--mono);
  font-size: 0.64rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

body.site-refresh .hero-terminal {
  width: min(100%, 48rem);
  justify-self: end;
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.44), 0 0 0 1px rgba(106, 174, 220, 0.06);
}

/* Three distinct customer paths. This is the homepage's organizing system. */
.system-map {
  position: relative;
  padding: clamp(4.5rem, 7vw, 7rem) 4%;
  overflow: hidden;
  border-top: 1px solid rgba(106, 174, 220, 0.12);
  border-bottom: 1px solid rgba(106, 174, 220, 0.12);
  background:
    linear-gradient(rgba(106, 174, 220, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(106, 174, 220, 0.035) 1px, transparent 1px),
    linear-gradient(180deg, #0b1117, #080c10);
  background-size: 72px 72px, 72px 72px, auto;
}

.system-map-head {
  max-width: 52rem;
  margin-bottom: clamp(2rem, 4vw, 3.25rem);
}

.system-map-head h2 {
  margin: 0.35rem 0 1rem;
  font-size: clamp(2.5rem, 4.6vw, 4.5rem);
  line-height: 0.98;
  text-transform: uppercase;
}

.system-map-head h2 span {
  color: var(--bright);
}

.system-map-head > p {
  max-width: 43rem;
  margin: 0;
  color: var(--silver);
  font-size: 1.05rem;
}

.system-lanes {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  max-width: 92rem;
  margin: 0 auto;
}

.system-lane {
  position: relative;
  min-height: 28rem;
  padding: clamp(1.5rem, 2.4vw, 2.25rem);
  display: flex;
  flex-direction: column;
  border: 1px solid rgba(106, 174, 220, 0.16);
  border-top-width: 3px;
  border-radius: 4px;
  background: linear-gradient(155deg, rgba(22, 30, 40, 0.96), rgba(11, 17, 23, 0.96));
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.2);
}

.system-lane-blue { border-top-color: var(--bright); }
.system-lane-green { border-top-color: var(--green); }
.system-lane-gold { border-top-color: var(--gold); }
.system-lane-steel { border-top-color: var(--steel); }

.system-lane-number {
  margin-bottom: 1.5rem;
  color: var(--bright);
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.system-lane-gold .system-lane-number { color: var(--gold); }
.system-lane-green .system-lane-number { color: var(--green); }
.system-lane-steel .system-lane-number { color: var(--silver); }

.system-lane h3 {
  margin: 0 0 1rem;
  color: var(--white);
  font-size: clamp(1.75rem, 2.4vw, 2.5rem);
  line-height: 1.02;
}

.system-lane > p {
  margin: 0 0 1.5rem;
  color: var(--text);
}

.system-lane-products {
  display: grid;
  gap: 0.5rem;
  margin: auto 0 1.6rem;
}

.system-lane-products span {
  padding: 0.62rem 0.75rem;
  border: 1px solid rgba(106, 174, 220, 0.13);
  background: rgba(106, 174, 220, 0.045);
  color: var(--pale);
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.system-lane-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.7rem 1rem;
}

.system-lane-actions a {
  color: var(--bright);
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
}

.system-lane-gold .system-lane-actions a:first-child { color: var(--gold); }
.system-lane-green .system-lane-actions a:first-child { color: var(--green); }
.system-lane-actions a:first-child {
  padding: 0.82rem 1rem;
  border: 1px solid currentColor;
  border-radius: 2px;
}

.system-lane-actions a:hover { color: var(--white); }

body.site-refresh .detail-title {
  line-height: 0.95;
}

@media (max-width: 1100px) {
  body.site-refresh #hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  body.site-refresh .hero-terminal {
    display: none;
  }

  .hero-mobile-proof {
    display: block;
  }
}

@media (max-width: 980px) {
  .system-lanes {
    grid-template-columns: 1fr;
  }

  .system-lane {
    min-height: 0;
  }
}

@media (max-width: 600px) {
  body.site-refresh #hero {
    padding-top: 3.25rem;
  }

  body.site-refresh #hero h1 {
    font-size: clamp(3rem, 14vw, 4.25rem);
    max-width: none;
  }

  body.site-refresh .eyebrow {
    letter-spacing: 0.13em;
    line-height: 1.6;
  }

  .hero-actions {
    display: grid;
  }

  .hero-action {
    width: 100%;
  }

  .hero-proof-row {
    display: grid;
    gap: 0.55rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero-action {
    transition: none !important;
  }

  body.site-refresh * {
    scroll-behavior: auto !important;
  }
}

/* Research is a secondary destination, distinct from the product catalog. */
.nav-labs { color: #a8bfcf !important; border-bottom: 1px dashed #657a89; }
.labs-footer-link { padding: 1rem 4%; font-size: .875rem; }
.labs-footer-link a { color: #a8bfcf; }
.labs-pricing-note { margin: 2rem 4%; padding: 1.5rem; border-left: 3px solid #c8a96e; background: #111820; color: #a8bfcf; }
.labs-pricing-note strong { color: #eef4f8; font-size: 1.1rem; }
.labs-pricing-note p { max-width: 70ch; margin: .7rem 0; }
.labs-pricing-note a { color: #6aaedc; }
@media (min-width: 981px) and (max-width: 1200px) { .system-lanes { gap: .75rem; } .system-lane { padding: 1.25rem; } }

/* Consistent touch targets through the full collapsed-navigation range. */
@media (max-width:1120px) {
  body.site-refresh .hamburger { display:flex; }
  body.site-refresh #nav-menu { display:none; position:fixed; top:64px; left:0; right:0; flex-direction:column; align-items:stretch; gap:0; padding:.6rem 4% 1rem; max-height:calc(100dvh - 64px); overflow-y:auto; background:#080c10; }
  body.site-refresh #nav-menu.open { display:flex; }
  body.site-refresh #nav-menu > li { width:100%; }
  body.site-refresh #nav-menu > li > a { display:flex; align-items:center; min-height:46px; height:auto !important; padding:.75rem 1rem !important; margin:0 !important; font-size:.9375rem; line-height:1.4 !important; letter-spacing:.05em; }
  body.site-refresh #nav-menu .nav-cta { justify-content:center; margin-top:.5rem !important; }
}
.inquiry-note { margin-bottom:1.4rem; color:var(--silver); font-size:1rem; line-height:1.65; }
.comparison-scroll { overflow-x:auto; margin-top:1.5rem; }
.product-comparison { width:100%; border-collapse:collapse; text-align:left; font-size:1rem; }
.product-comparison th,.product-comparison td { padding:1rem; border-bottom:1px solid var(--border); vertical-align:top; }
.product-comparison th { color:var(--white); }
.product-comparison td { color:var(--silver); }
.product-comparison a { color:var(--bright); }

/* CFTC Rule 4.41 hypothetical-performance disclaimer.
   Verbatim text is required on every page that shows chart signals or outcomes. */
.cftc-disclaimer{border:1px solid var(--border);background:var(--surface);
  padding:1.35rem 1.5rem;margin:1.75rem 0;border-radius:4px}
.cftc-disclaimer p{font-family:var(--mono);font-size:0.7rem;line-height:1.85;
  color:var(--silver);margin:0}
.cftc-label{font-family:var(--mono);font-size:0.68rem;letter-spacing:1.5px;
  text-transform:uppercase;color:var(--gold);margin-bottom:0.75rem;display:block}

/* launch-additions */
/* Tasks 9-11: walkthrough slot, product FAQ, pricing tier matrix, builder/testimonials. */
.walkthrough-slot{margin:1.5rem auto 0;max-width:960px;aspect-ratio:16/9;border:1px solid var(--border);
  background:var(--surface);border-radius:4px;overflow:hidden}
.walkthrough-slot iframe,.walkthrough-slot video{width:100%;height:100%;display:block;border:0}
.walkthrough-slot[hidden],#builder[hidden]{display:none!important}
.faq-list{max-width:52rem;margin:0 auto}
.faq-list details{border-top:1px solid var(--border);padding:1rem 0}
.faq-list details:last-child{border-bottom:1px solid var(--border)}
.faq-list summary{cursor:pointer;color:var(--white);font-weight:600;list-style:none;
  display:flex;justify-content:space-between;gap:1rem;align-items:baseline}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{content:'+';color:var(--gold);font-family:var(--mono);flex-shrink:0}
.faq-list details[open] summary::after{content:'\2212'}
.faq-list details p{color:var(--text);line-height:1.7;margin:0.75rem 0 0;max-width:46rem}
.faq-list a{color:var(--bright)}
.matrix-scroll{overflow-x:auto;margin-top:1.5rem}
.pricing-matrix{font-size:0.9rem;min-width:640px}
.pricing-matrix td.c,.pricing-matrix th.c{text-align:center}
.pricing-matrix .yes{color:var(--green);font-weight:700}
.pricing-matrix .no{color:var(--text)}
.pricing-matrix tfoot th,.pricing-matrix tfoot td{color:var(--white);border-top:2px solid var(--border);border-bottom:0}
.pricing-matrix small{display:block;font-weight:400;color:var(--text);font-size:0.75rem;margin-top:0.2rem}
.matrix-anchor{margin-top:1.25rem;color:var(--silver);line-height:1.7;max-width:60rem}
.matrix-anchor strong{color:var(--gold)}
blockquote.testimonial{margin:0;color:var(--silver);font-style:italic;line-height:1.7}
.testimonial cite{display:block;margin-top:0.75rem;font-style:normal;font-family:var(--mono);
  font-size:0.72rem;color:var(--gold);letter-spacing:1px}