/* ==========================================================================
   National Install Service
   Palette shared across the National group: dark navy primary with red
   trim and accents, matching the storefront identity. Neutrals are tinted
   toward the navy so the greys stay in family.
   ========================================================================== */

:root {
  --ink: #0C1526;
  --navy: #11203B;
  --navy-soft: #3F4E6E;
  --line: #DCE1E9;
  --line-deep: #BFC8D6;
  --paper: #F6F8FA;
  --white: #ffffff;
  --red: #A82C22;
  --red-deep: #89221D;
  --mark: #11203B;

  --shell: 1180px;
  --gap: clamp(1rem, 2.5vw, 1.75rem);
  --band: clamp(3.5rem, 8vw, 6.5rem);

  --plate-border: 1px solid var(--line-deep);
  --focus: 2px solid var(--red);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "IBM Plex Sans", system-ui, -apple-system, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: var(--red-deep); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--ink); }

:focus-visible { outline: var(--focus); outline-offset: 3px; }

.shell {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: clamp(1.1rem, 4vw, 2.5rem);
}

/* ---------- Type ---------- */

h1, h2, h3, .display {
  font-family: "Archivo", system-ui, sans-serif;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.015em;
  line-height: 1.02;
  margin: 0;
}

h1 { font-size: clamp(2.6rem, 6.4vw, 4.6rem); }
h2 { font-size: clamp(1.9rem, 4vw, 2.9rem); }
h3 { font-size: clamp(1.15rem, 2vw, 1.4rem); letter-spacing: 0.01em; }

p { margin: 0 0 1rem; }

.mono {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.eyebrow {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--red);
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin-bottom: 1.1rem;
}
.eyebrow::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--line-deep);
}

.lede {
  font-size: clamp(1.02rem, 1.6vw, 1.18rem);
  color: var(--navy);
  max-width: 60ch;
}

/* ---------- Header ---------- */

.masthead {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(247, 248, 249, 0.94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line-deep);
}

.masthead .shell {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  min-height: 74px;
}

.wordmark {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
  color: var(--ink);
  margin-right: auto;
}

.wordmark .bug {
  width: 38px;
  height: 38px;
  border-bottom: 5px solid var(--red);
  flex: none;
  background: var(--ink);
  color: var(--paper);
  display: grid;
  place-items: center;
  font-family: "Archivo", sans-serif;
  font-weight: 800;
  font-size: 0.82rem;
  letter-spacing: 0.02em;
  border-radius: 2px;
}

.wordmark .name {
  font-family: "Archivo", sans-serif;
  font-weight: 800;
  text-transform: uppercase;
  font-size: 0.98rem;
  letter-spacing: 0.02em;
  line-height: 1.1;
}
.wordmark .name span {
  display: block;
  font-family: "IBM Plex Mono", monospace;
  font-weight: 400;
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  color: var(--navy-soft);
}

.nav {
  display: flex;
  gap: 1.6rem;
}
.nav a {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.72rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--navy);
  text-decoration: none;
  padding: 0.4rem 0;
  border-bottom: 2px solid transparent;
}
.nav a:hover { color: var(--ink); border-bottom-color: var(--red); }

/* ---------- Mobile header ---------- */

.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  border: 1px solid var(--line-deep);
  background: var(--white);
  border-radius: 2px;
  padding: 0; cursor: pointer;
  flex-direction: column; align-items: center; justify-content: center; gap: 5px;
}
.nav-toggle span {
  display: block; width: 18px; height: 2px; background: var(--ink);
  transition: transform .2s ease, opacity .2s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.call-bar { display: none; }

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: "Archivo", sans-serif;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 0.86rem;
  padding: 0.85rem 1.4rem;
  border-radius: 2px;
  text-decoration: none;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: transform 0.12s ease, background 0.18s ease, color 0.18s ease;
}
.btn:active { transform: translateY(1px); }

.btn-primary { background: var(--red); color: var(--white); }
.btn-primary:hover { background: var(--red-deep); color: var(--white); }

.btn-ghost { border-color: var(--navy); color: var(--ink); background: transparent; }
.btn-ghost:hover { background: var(--ink); color: var(--paper); }

.btn-sm { padding: 0.6rem 1rem; font-size: 0.78rem; }

/* ---------- Hero ---------- */

.hero {
  padding-block: clamp(3rem, 7vw, 5.5rem) var(--band);
  border-bottom: 1px solid var(--line-deep);
  background: var(--paper);
}

.hero .shell {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.hero h1 span { color: var(--red); }

.hero .lede { margin-top: 1.4rem; }

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 2rem;
}

/* ---------- Signature: work order card ---------- */

.ticket {
  background: var(--white);
  border: 1px solid var(--navy);
  border-radius: 3px;
  box-shadow: 0 18px 40px -28px rgba(18, 24, 29, 0.55);
  overflow: hidden;
}

.ticket-head {
  background: var(--ink);
  color: var(--paper);
  padding: 0.85rem 1.15rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}
.ticket-head .mono { color: var(--line); font-size: 0.68rem; }
.ticket-head strong {
  font-family: "Archivo", sans-serif;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.82rem;
}

.ticket-perf {
  height: 9px;
  background-image: radial-gradient(circle at 5px 4px, var(--paper) 2.6px, transparent 2.8px);
  background-size: 14px 9px;
  background-color: var(--ink);
}

.ticket-body { padding: 0.4rem 0; }

.ticket-line {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 0.9rem;
  padding: 0.82rem 1.15rem;
  border-bottom: 1px dashed var(--line-deep);
}
.ticket-line:last-child { border-bottom: 0; }

.ticket-line .code {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--white);
  background: var(--navy);
  padding: 0.2rem 0.42rem;
  border-radius: 2px;
}
.ticket-line .label {
  font-family: "Archivo", sans-serif;
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.9rem;
  letter-spacing: 0.01em;
}
.ticket-line .check {
  color: var(--mark);
  font-weight: 700;
  font-size: 1.05rem;
  line-height: 1;
}

.ticket-foot {
  background: var(--line);
  border-top: 1px solid var(--line-deep);
  padding: 0.8rem 1.15rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
}
.ticket-foot .mono { color: var(--navy-soft); }
.ticket-foot .stamp {
  font-family: "Archivo", sans-serif;
  font-weight: 800;
  text-transform: uppercase;
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: var(--mark);
  border: 1.5px solid var(--mark);
  padding: 0.22rem 0.5rem;
  border-radius: 2px;
}

/* ---------- Credential strip ---------- */

.strip {
  background: var(--ink);
  color: var(--line);
  padding-block: 1.6rem;
}
.strip .shell {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}
.strip .item .k {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.64rem;
  letter-spacing: 0.17em;
  text-transform: uppercase;
  color: var(--navy-soft);
  display: block;
  margin-bottom: 0.3rem;
}
.strip .item .v {
  font-family: "Archivo", sans-serif;
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.92rem;
  letter-spacing: 0.02em;
  color: var(--white);
}

/* ---------- Sections ---------- */

.band { padding-block: var(--band); }
.band-alt { background: var(--line); border-block: 1px solid var(--line-deep); }

.band-head { max-width: 62ch; margin-bottom: clamp(2rem, 4vw, 3rem); }
.band-head p { margin-top: 1rem; }

/* ---------- Service spec plates ---------- */

.plates {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--gap);
}

.plate {
  background: var(--white);
  border: var(--plate-border);
  border-radius: 3px;
  padding: 1.6rem 1.5rem 1.5rem;
  display: flex;
  flex-direction: column;
  transition: border-color 0.18s ease, transform 0.18s ease;
}
.plate:hover { border-color: var(--navy); transform: translateY(-2px); }

.plate-top {
  display: flex;
  align-items: baseline;
  gap: 0.8rem;
  padding-bottom: 0.9rem;
  border-bottom: 2px solid var(--ink);
  margin-bottom: 1.1rem;
}
.plate-top .code {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--red);
  font-weight: 600;
}
.plate-top h3 { margin: 0; }

.plate > p { color: var(--navy); font-size: 0.96rem; }

.plate ul {
  list-style: none;
  margin: 0.4rem 0 0;
  padding: 0;
  columns: 2;
  column-gap: 1.4rem;
  font-size: 0.9rem;
  color: var(--navy);
}
.plate li {
  break-inside: avoid;
  padding-left: 0.95rem;
  position: relative;
  margin-bottom: 0.34rem;
}
.plate li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 5px;
  height: 1.5px;
  background: var(--red);
}

.plate-flag {
  margin-top: 1.2rem;
  padding-top: 0.9rem;
  border-top: 1px dashed var(--line-deep);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mark);
}

/* ---------- Numbered sequence ---------- */

.steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  border-top: 2px solid var(--ink);
}

.step {
  padding: 1.5rem 1.2rem 0 0;
  border-right: 1px solid var(--line-deep);
  padding-right: 1.2rem;
}
.step:last-child { border-right: 0; }
.step .n {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--red);
  display: block;
  margin-bottom: 0.7rem;
}
.step h3 { font-size: 1rem; margin-bottom: 0.5rem; }
.step p { font-size: 0.89rem; color: var(--navy); margin: 0; }

/* ---------- Two column ---------- */

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 3.5rem);
  align-items: start;
}

.panel {
  background: var(--white);
  border: var(--plate-border);
  border-radius: 3px;
  padding: 1.6rem 1.5rem;
}
.panel h3 { margin-bottom: 0.9rem; }

.deflist { margin: 0; }
.deflist dt {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.66rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--navy-soft);
  margin-top: 1.05rem;
}
.deflist dt:first-child { margin-top: 0; }
.deflist dd {
  margin: 0.25rem 0 0;
  font-size: 0.96rem;
  color: var(--ink);
}
.deflist dd a { color: var(--red-deep); }

.paylist {
  list-style: none;
  padding: 0;
  margin: 0;
}
.paylist li {
  padding: 0.7rem 0;
  border-bottom: 1px dashed var(--line-deep);
  font-size: 0.95rem;
  color: var(--navy);
  display: flex;
  gap: 0.75rem;
}
.paylist li:last-child { border-bottom: 0; }
.paylist li strong {
  color: var(--ink);
  font-family: "Archivo", sans-serif;
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 0.03em;
  flex: 0 0 8.5rem;
  padding-top: 0.14rem;
}

/* ---------- Coverage ---------- */

.areas {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 1.5rem;
}
.areas span {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  background: var(--white);
  border: var(--plate-border);
  border-radius: 2px;
  padding: 0.45rem 0.75rem;
  color: var(--navy);
}

/* ---------- Form ---------- */

.field { margin-bottom: 1rem; }
.field label {
  display: block;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.66rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--navy-soft);
  margin-bottom: 0.4rem;
}
.field input,
.field select,
.field textarea {
  width: 100%;
  font: inherit;
  font-size: 0.96rem;
  padding: 0.7rem 0.8rem;
  border: 1px solid var(--line-deep);
  border-radius: 2px;
  background: var(--paper);
  color: var(--ink);
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: var(--focus);
  outline-offset: 1px;
  background: var(--white);
}
.field textarea { resize: vertical; min-height: 110px; }

.form-note {
  font-size: 0.82rem;
  color: var(--navy-soft);
  margin-top: 0.85rem;
}

.hp {
  position: absolute;
  left: -9999px;
  width: 1px; height: 1px;
  overflow: hidden;
}

/* ---------- Footer ---------- */

.footer {
  background: var(--ink);
  color: var(--line);
  padding-block: 3rem 2rem;
}
.footer a { color: var(--line); text-decoration: none; }
.footer a:hover { color: var(--red); text-decoration: underline; }

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--navy);
}
.footer h4 {
  font-family: "Archivo", sans-serif;
  font-weight: 800;
  text-transform: uppercase;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  margin: 0 0 0.9rem;
  color: var(--white);
}
.footer ul { list-style: none; margin: 0; padding: 0; }
.footer li { margin-bottom: 0.5rem; font-size: 0.92rem; }
.footer p { font-size: 0.92rem; color: var(--navy-soft); }

.footer-base {
  padding-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  align-items: center;
}
.footer-base .mono { color: var(--navy-soft); font-size: 0.68rem; }
.footer-base .links { display: flex; gap: 1.2rem; }
.footer-base .links a { font-family: "IBM Plex Mono", monospace; font-size: 0.68rem; letter-spacing: 0.1em; text-transform: uppercase; }

/* ---------- Legal pages ---------- */

.legal { padding-block: clamp(2.5rem, 6vw, 4.5rem) var(--band); }
.legal .doc { max-width: 74ch; }
.legal h2 {
  font-size: clamp(1.25rem, 2.2vw, 1.6rem);
  margin-top: 2.6rem;
  padding-top: 1.1rem;
  border-top: 2px solid var(--ink);
}
.legal h3 { margin-top: 1.6rem; font-size: 1.02rem; }
.legal p, .legal li { color: var(--navy); font-size: 0.98rem; }
.legal ul { padding-left: 1.1rem; }
.legal li { margin-bottom: 0.45rem; }
.legal .updated {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--navy-soft);
  margin-top: 1.2rem;
}

/* ---------- Motion ---------- */

.rise { animation: rise 0.55s cubic-bezier(0.22, 1, 0.36, 1) both; }
.rise-2 { animation-delay: 0.09s; }
.rise-3 { animation-delay: 0.18s; }

@keyframes rise {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .rise { animation: none; }
  * { transition-duration: 0.01ms !important; }
}

/* ---------- Responsive ---------- */

@media (max-width: 960px) {
  .masthead .shell { min-height: 64px; gap: 0.75rem; }
  .call-desktop { display: none; }
  .nav-toggle { display: flex; }

  .call-bar {
    display: block;
    background: var(--red); color: var(--white);
    text-align: center; text-decoration: none;
    font-family: "Archivo", sans-serif; font-weight: 700;
    text-transform: uppercase; letter-spacing: 0.05em; font-size: 0.88rem;
    padding: 0.85rem 1rem;
    border-top: 1px solid var(--line-deep);
  }
  .call-bar:hover { background: var(--red-deep); color: var(--white); }

  .nav {
    display: none;
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--line-deep);
    flex-direction: column; gap: 0; padding: 0.4rem 0;
    box-shadow: 0 16px 30px -24px rgba(12,21,38,0.65);
  }
  .nav.open { display: flex; }
  .nav a {
    padding: 0.9rem clamp(1.1rem, 4vw, 2.5rem);
    border-bottom: 0; font-size: 0.8rem;
  }
  .nav a:hover { background: var(--paper); border-bottom-color: transparent; }

  .hero-actions .btn-ghost { display: none; }
  .hero-actions { margin-top: 1.6rem; }
  .hero-actions .btn { width: 100%; justify-content: center; padding-block: 1rem; }

  .hero .shell { grid-template-columns: 1fr; }
  .plates { grid-template-columns: 1fr; }
  .split { grid-template-columns: 1fr; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .step { border-right: 0; border-bottom: 1px solid var(--line-deep); padding-bottom: 1.3rem; }
  .strip .shell { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 560px) {
  .wordmark .bug { width: 34px; height: 34px; font-size: 0.74rem; border-bottom-width: 4px; }
  .wordmark .name { font-size: 0.82rem; }
  .wordmark .name span { font-size: 0.58rem; }

  body { font-size: 16px; }
  .steps { grid-template-columns: 1fr; }
  .strip .shell { grid-template-columns: 1fr; gap: 0.9rem; }
  .plate ul { columns: 1; }
  .footer-grid { grid-template-columns: 1fr; }
  .paylist li { flex-direction: column; gap: 0.2rem; }
  .paylist li strong { flex: none; }
}