/* ==========================================================================
   ARMATECH — layout.css
   Signal bar, header, hero, trust strip, product layouts, fielded band, footer
   ========================================================================== */

.container {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section {
  padding-block: var(--section-pad);
  border-top: 1px solid var(--line);
}

.section-shade { background: var(--shade); }

.section-head {
  max-width: 48rem;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

/* ---------- Red signal bar ---------- */
.signal-bar {
  background: var(--red);
  color: var(--white);
}

.signal-inner {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  padding-block: 0.45rem;
  font-size: 0.68rem;
  white-space: nowrap;
  overflow: hidden;
}

@media (max-width: 48rem) {
  .signal-mid { display: none; }
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(8px);
  border-bottom: 2px solid var(--red);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 5.25rem;
}

.brand { display: inline-flex; align-items: center; }

.brand-logo { width: 196px; height: auto; }

/* ---------- Nav ---------- */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
  padding: 0;
}

.nav-menu a {
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--ink);
  padding-block: 0.3rem;
  border-bottom: 2px solid transparent;
  transition: border-color 0.15s ease, color 0.15s ease;
}

.nav-menu a:hover {
  color: var(--red);
  border-bottom-color: var(--red);
}

.nav-cta {
  background: var(--red);
  color: var(--white) !important;
  padding: 0.6rem 1.25rem !important;
  border-bottom: none !important;
  clip-path: polygon(0.6rem 0, 100% 0, calc(100% - 0.6rem) 100%, 0 100%);
  transition: background 0.15s ease;
}

.nav-cta:hover { background: var(--red-dark); }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line-dark);
  padding: 0.7rem 0.75rem;
  color: var(--ink);
}

.nav-toggle-bar {
  display: block;
  width: 1.2rem;
  height: 2px;
  background: currentColor;
  position: relative;
}

.nav-toggle-bar::before,
.nav-toggle-bar::after {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: currentColor;
}

.nav-toggle-bar::before { top: -6px; }
.nav-toggle-bar::after { top: 6px; }

/* ---------- Hero ---------- */
.hero {
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 56px 56px;
  background-position: center top;
}

.hero-inner {
  padding-block: clamp(3.5rem, 8vw, 6rem) clamp(2.75rem, 6vw, 4.5rem);
  text-align: left;
}

.hero h1 { max-width: 21ch; }

.hero-lede {
  margin-top: 1.4rem;
  font-size: var(--step-1);
  max-width: 56ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2.25rem;
}

/* The banner image carries its own red framing bars — bleed it full width */
.hero-banner {
  border-top: 4px solid var(--red);
  border-bottom: 4px solid var(--red);
}

.hero-banner img {
  width: 100%;
  height: auto;
}

/* ---------- Trust strip ---------- */
.trust {
  border-top: 1px solid var(--line);
  padding-block: clamp(2.75rem, 6vw, 4rem);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.trust-item {
  padding: 0.4rem 1.75rem;
  border-left: 1px solid var(--line);
}

.trust-item:first-child { border-left: none; padding-left: 0; }

.trust-idx {
  color: var(--red);
  font-weight: 500;
  margin-bottom: 0.6rem;
}

.trust-idx::after {
  content: "";
  display: block;
  width: 1.75rem;
  height: 2px;
  background: var(--red);
  margin-top: 0.45rem;
}

.trust-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--ink);
  margin-bottom: 0.25rem;
}

.trust-text { font-size: 0.92rem; }

/* ---------- Product splits ---------- */
.product-split {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: start;
}

.product-split-reverse { grid-template-columns: 0.95fr 1.05fr; }

.product-copy > * + * { margin-top: 1.5rem; }

.list-heading { margin-bottom: 0.9rem; }

.dars-media {
  display: grid;
  gap: 1.75rem;
}

/* ---------- Fielded proof band ---------- */
.fielded {
  position: relative;
  border-block: 4px solid var(--red);
  overflow: hidden;
}

.fielded img {
  width: 100%;
  max-height: 34rem;
  object-fit: cover;
  object-position: center 60%;
}

.fielded-caption {
  position: absolute;
  inset-inline: 0;
  bottom: 0;
  padding-block: 1.75rem;
  background: linear-gradient(180deg, transparent, rgba(10, 10, 12, 0.82) 55%);
}

.fielded-tag {
  color: #ffb3b5;
  margin-bottom: 0.35rem;
}

.fielded-caption h2 {
  color: var(--white);
  font-size: clamp(1.5rem, 1.1rem + 2vw, 2.4rem);
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.5);
}

/* ---------- Contact split ---------- */
.contact-split {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: start;
}

.contact-copy h2 { margin-bottom: 1rem; }

/* ---------- CTA band ---------- */
.cta-band { background: var(--red); }

.cta-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.75rem;
  padding-block: clamp(2.75rem, 6vw, 4.25rem);
}

.cta-inner h2 { color: var(--white); max-width: 24ch; }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 4px solid var(--red);
  background: var(--shade);
  padding-block: 3.5rem;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.2fr auto auto;
  gap: 2.5rem;
  align-items: start;
}

.brand-logo-footer { width: 170px; }

.footer-tag {
  margin-top: 1rem;
  font-size: 0.92rem;
  max-width: 34ch;
}

.footer-nav {
  display: grid;
  gap: 0.7rem;
  list-style: none;
  padding: 0;
}

.footer-nav a {
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink);
  transition: color 0.15s ease;
}

.footer-nav a:hover { color: var(--red); }

.footer-copy { color: var(--body); }

/* ---------- Responsive ---------- */
@media (max-width: 60rem) {
  .trust-grid { grid-template-columns: 1fr 1fr; gap: 1.75rem 0; }
  .trust-item:nth-child(odd) { border-left: none; padding-left: 0; }
  .product-split,
  .product-split-reverse,
  .contact-split { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }

  .nav-toggle { display: inline-flex; }

  .nav-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--white);
    border-bottom: 2px solid var(--red);
    box-shadow: 0 16px 30px rgba(20, 22, 26, 0.1);
    display: none;
  }

  .nav-menu.is-open { display: flex; }

  .nav-menu li { border-top: 1px solid var(--line); }

  .nav-menu a {
    display: block;
    padding: 1rem var(--gutter);
    border-bottom: none;
  }

  .nav-cta { clip-path: none; }
}

@media (max-width: 40rem) {
  .trust-grid { grid-template-columns: 1fr; }
  .trust-item { border-left: none; padding-inline: 0; }
  .brand-logo { width: 156px; }
}