/* =========================================================
   FERRANTI GROUP — Design tokens
   Direction: engineering drawing / single-line-diagram system.
   Navy drafting background, steel-blue schematic lines, amber
   signal accent (the one "hazard tape" color used for actions
   and active states), set in an industrial condensed display
   face with a technical mono face for drawing annotations.
   ========================================================= */

:root {
  --navy: #0A1E2E;
  --navy-deep: #061420;
  --steel: #2F6690;
  --steel-light: #6FA6CC;
  --amber: #E8821A;
  --amber-dim: #B8650F;
  --paper: #EDEEEA;
  --paper-dim: #E1E3DC;
  --graphite: #1E262C;
  --mist: #7C93A3;
  --line: rgba(111, 166, 204, 0.28);
  --line-soft: rgba(111, 166, 204, 0.14);

  --display: "Oswald", "Arial Narrow", sans-serif;
  --body: "IBM Plex Sans", -apple-system, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", "SFMono-Regular", monospace;

  --container: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--body);
  color: var(--graphite);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
}

h1,
h2,
h3,
h4 {
  font-family: var(--display);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin: 0;
  font-weight: 600;
  color: var(--navy);
}

p {
  line-height: 1.65;
  margin: 0 0 1em;
  color: var(--graphite);
}

.wrap {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
}

/* Focus visibility */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* ---------- eyebrow / mono labels (drawing annotation style) ---------- */
.eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--amber);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--amber);
  display: inline-block;
}

.eyebrow.on-paper {
  color: var(--amber-dim);
}

/* ---------- Title-block header (styled like a drawing title block) ---------- */
.titleblock-header {
  background: var(--navy-deep);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 50;
}

.titleblock-header .bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 28px;
  max-width: var(--container);
  margin: 0 auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand img {
  height: 34px;
  width: auto;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.brand-text .g {
  font-family: var(--display);
  color: #fff;
  font-size: 19px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.brand-text .sub {
  font-family: var(--mono);
  color: var(--steel-light);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-top: 3px;
}

nav.primary {
  display: flex;
  align-items: center;
  gap: 2px;
}

nav.primary a {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mist);
  padding: 10px 16px;
  border-left: 1px solid var(--line-soft);
  transition: color .15s ease;
}

nav.primary a:first-child {
  border-left: none;
}

nav.primary a:hover,
nav.primary a.active {
  color: #fff;
}

nav.primary a.active {
  color: var(--amber);
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line);
  color: #fff;
  width: 40px;
  height: 40px;
  border-radius: 2px;
  cursor: pointer;
  font-family: var(--mono);
  font-size: 16px;
}

@media (max-width: 860px) {
  nav.primary {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--navy-deep);
    border-bottom: 1px solid var(--line);
  }

  nav.primary.open {
    display: flex;
  }

  nav.primary a {
    border-left: none;
    border-top: 1px solid var(--line-soft);
    padding: 14px 28px;
  }

  .nav-toggle {
    display: block;
  }
}

/* ---------- Hero ---------- */
.hero {
  background:
    radial-gradient(ellipse at 78% 15%, rgba(47, 102, 144, 0.35), transparent 55%),
    var(--navy);
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px),
    radial-gradient(ellipse at 78% 15%, rgba(47, 102, 144, 0.35), transparent 55%),
    linear-gradient(var(--navy), var(--navy));
  background-size: 42px 42px, 42px 42px, auto, auto;
  color: #fff;
  padding: 88px 0 70px;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.hero .wrap {
  position: relative;
  z-index: 2;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
}

.hero h1 {
  color: #fff;
  font-size: clamp(34px, 4.6vw, 58px);
  line-height: 1.04;
  margin-bottom: 22px;
}

.hero h1 em {
  font-style: normal;
  color: var(--amber);
}

.hero .lede {
  color: var(--mist);
  font-size: 17px;
  max-width: 52ch;
  margin-bottom: 30px;
}

.hero .cta-row {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
}

/* ---------- Buttons ---------- */
.btn {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 14px 24px;
  border-radius: 2px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, background .15s ease, border-color .15s ease;
}

.btn-amber {
  background: var(--amber);
  color: var(--navy-deep);
  font-weight: 600;
}

.btn-amber:hover {
  background: #fff;
}

.btn-outline {
  border-color: var(--line);
  color: #fff;
}

.btn-outline:hover {
  border-color: var(--steel-light);
  color: var(--steel-light);
}

.btn-outline.on-paper {
  border-color: var(--steel);
  color: var(--navy);
}

.btn-outline.on-paper:hover {
  border-color: var(--navy);
  background: var(--navy);
  color: #fff;
}

.btn:hover {
  transform: translateY(-1px);
}

/* ---------- Single-line diagram (signature element) ---------- */
.sld-wrap {
  position: relative;
}

.sld-wrap svg {
  width: 100%;
  height: auto;
}

.sld-node-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  fill: var(--mist);
  text-transform: uppercase;
}

.sld-node-label.strong {
  fill: #fff;
  font-size: 12.5px;
}

.sld-node-label.small {
  font-size: 9px;
  letter-spacing: 0.02em;
}

.sld-line {
  stroke: var(--steel);
  stroke-width: 1.5;
  fill: none;
}

.sld-pulse {
  stroke: var(--amber);
  stroke-width: 2.5;
  fill: none;
  stroke-dasharray: 6 10;
  animation: dash 2.6s linear infinite;
}

@keyframes dash {
  to {
    stroke-dashoffset: -160;
  }
}

.sld-node-box {
  fill: var(--navy-deep);
  stroke: var(--steel);
  stroke-width: 1.2;
}

.sld-node-box.hi {
  stroke: var(--amber);
}

.sld-dot {
  fill: var(--amber);
}

/* ---------- Sections ---------- */
section {
  padding: 78px 0;
}

.section-head {
  max-width: 640px;
  margin-bottom: 44px;
}

.section-head h2 {
  font-size: clamp(26px, 3.2vw, 38px);
  margin-bottom: 14px;
}

.section-head p {
  color: var(--mist);
  font-size: 16px;
}

.section-head.on-paper p {
  color: #4B565E;
}

section.on-navy {
  background: var(--navy);
  color: #fff;
}

section.on-navy h2,
section.on-navy h3 {
  color: #fff;
}

section.on-navy p {
  color: var(--mist);
}

section.on-navy-deep {
  background: var(--navy-deep);
  color: #fff;
}

section.on-navy-deep h2,
section.on-navy-deep h3 {
  color: #fff;
}

section.on-navy-deep p {
  color: var(--mist);
}

/* divisions */
.division-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

.division-card {
  background: var(--navy);
  border: 1px solid var(--line);
  padding: 36px 32px;
  position: relative;
  overflow: hidden;
}

.division-card::before {
  content: attr(data-tag);
  position: absolute;
  top: 0;
  right: 0;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--navy);
  background: var(--amber);
  padding: 5px 12px;
}

.division-card h3 {
  color: #fff;
  font-size: 24px;
  margin-bottom: 6px;
}

.division-card .role {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--steel-light);
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-bottom: 16px;
  display: block;
}

.division-card p {
  color: var(--mist);
}

.division-card ul {
  margin: 18px 0 24px;
  padding: 0;
  list-style: none;
}

.division-card li {
  font-size: 14px;
  color: #DCE4E9;
  padding: 8px 0 8px 20px;
  position: relative;
  border-top: 1px solid var(--line-soft);
}

.division-card li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--steel-light);
}

@media (max-width:860px) {
  .division-grid {
    grid-template-columns: 1fr;
  }
}

/* service / sector grid */
.card-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.card {
  background: var(--paper);
  padding: 30px 26px;
}

.card .num {
  font-family: var(--mono);
  color: var(--steel);
  font-size: 12px;
  display: block;
  margin-bottom: 16px;
}

.card h4 {
  font-size: 17px;
  margin-bottom: 10px;
  color: var(--navy);
}

.card p {
  font-size: 14px;
  color: #4B565E;
  margin: 0;
}

@media (max-width:980px) {
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width:560px) {
  .card-grid {
    grid-template-columns: 1fr;
  }
}

/* stat strip */
.stat-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.stat {
  padding: 26px 24px;
  border-left: 1px solid var(--line);
}

.stat:first-child {
  border-left: none;
}

.stat .n {
  font-family: var(--display);
  font-size: 34px;
  color: var(--amber);
  display: block;
}

.stat .l {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--mist);
  letter-spacing: .08em;
  text-transform: uppercase;
}

@media (max-width:760px) {
  .stat-strip {
    grid-template-columns: 1fr 1fr;
  }

  .stat {
    border-top: 1px solid var(--line);
  }
}

/* locations / global presence */
.geo-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: .04em;
}

.geo-list span {
  padding: 9px 16px 9px 0;
  margin-right: 16px;
  border-right: 1px solid var(--line);
  color: var(--mist);
}

.geo-list span:last-child {
  border-right: none;
}

/* partners strip */
.partner-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  align-items: center;
  margin-top: 28px;
}

.partner-strip a {
  background: #fff;
  border-radius: 3px;
  padding: 10px 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.9;
  transition: opacity .15s ease;
}

.partner-strip a:hover {
  opacity: 1;
}

.partner-strip img {
  height: 26px;
  width: auto;
  max-width: 110px;
  object-fit: contain;
  filter: grayscale(1);
}

/* quote / vision block */
.vision-block {
  border-left: 3px solid var(--amber);
  padding-left: 28px;
  max-width: 760px;
}

.vision-block p {
  font-family: var(--display);
  text-transform: none;
  font-size: clamp(20px, 2.4vw, 28px);
  line-height: 1.4;
  color: var(--navy);
  letter-spacing: 0.01em;
}

section.on-navy .vision-block p {
  color: #fff;
}

/* timeline / lifecycle */
.lifecycle {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
  margin-top: 20px;
}

.lifecycle::before {
  content: "";
  position: absolute;
  top: 17px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--line);
}

.lifecycle .step {
  position: relative;
  padding-top: 40px;
  padding-right: 20px;
}

.lifecycle .step .dot {
  position: absolute;
  top: 11px;
  left: 0;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--paper);
  border: 2px solid var(--amber);
}

.lifecycle .step h4 {
  font-size: 15px;
  margin-bottom: 8px;
}

.lifecycle .step p {
  font-size: 13.5px;
  color: #4B565E;
}

@media (max-width:820px) {
  .lifecycle {
    grid-template-columns: 1fr;
    gap: 26px;
  }

  .lifecycle::before {
    display: none;
  }

  .lifecycle .step {
    padding-left: 30px;
    padding-top: 0;
  }

  .lifecycle .step .dot {
    top: 4px;
    left: 0;
  }
}

/* form */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 44px;
}

form.contact-form {
  display: grid;
  gap: 16px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.field label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--mist);
}

.field input,
.field textarea {
  background: var(--navy-deep);
  border: 1px solid var(--line);
  color: #fff;
  padding: 13px 14px;
  font-family: var(--body);
  font-size: 14px;
  border-radius: 2px;
}

.field input:focus,
.field textarea:focus {
  border-color: var(--amber);
  outline: none;
}

.field textarea {
  resize: vertical;
  min-height: 120px;
}

/* footer / drawing block */
footer {
  background: var(--navy-deep);
  color: var(--mist);
  padding: 56px 0 0;
  border-top: 1px solid var(--line);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 36px;
  padding-bottom: 40px;
}

.footer-grid h5 {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--steel-light);
  margin-bottom: 16px;
}

.footer-grid p,
.footer-grid a {
  font-size: 14px;
  color: var(--mist);
}

.footer-grid ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 9px;
}

.footer-grid a:hover {
  color: #fff;
}

.footer-bottom {
  border-top: 1px solid var(--line);
  padding: 18px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .05em;
  color: var(--mist);
  flex-wrap: wrap;
  gap: 10px;
}

@media (max-width:900px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width:560px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

/* page header for inner pages */
.page-header {
  background: var(--navy-deep);
  color: #fff;
  padding: 56px 0 42px;
  border-bottom: 1px solid var(--line);
  background-image: linear-gradient(var(--line-soft) 1px, transparent 1px), linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 42px 42px;
}

.page-header .dwg {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--steel-light);
  letter-spacing: .1em;
  margin-bottom: 10px;
}

.page-header h1 {
  color: #fff;
  font-size: clamp(28px, 4vw, 44px);
}

.page-header p {
  color: var(--mist);
  max-width: 60ch;
  margin-top: 14px;
}

/* two column content */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

@media (max-width:860px) {
  .two-col {
    grid-template-columns: 1fr;
  }
}

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.badge {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .06em;
  text-transform: uppercase;
  border: 1px solid var(--line);
  color: var(--mist);
  padding: 7px 12px;
  border-radius: 2px;
}

.badge.on-paper {
  color: var(--navy);
  border-color: var(--steel);
}

/* ---------- capability grid (manufacturing processes) ---------- */
.cap-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.cap {
  background: var(--paper);
  padding: 26px 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.cap .ico {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--steel);
  letter-spacing: .08em;
}

.cap h4 {
  font-size: 15px;
  margin: 0;
  color: var(--navy);
}

@media (max-width:980px) {
  .cap-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width:560px) {
  .cap-grid {
    grid-template-columns: 1fr;
  }
}

/* ---------- process steps (numbered, on dark) ---------- */
.process-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.process-step {
  background: var(--navy);
  padding: 34px 30px;
  position: relative;
}

.process-step .n {
  font-family: var(--display);
  font-size: 44px;
  color: var(--amber);
  line-height: 1;
  margin-bottom: 14px;
  display: block;
}

.process-step h3 {
  color: #fff;
  font-size: 19px;
  margin-bottom: 10px;
}

.process-step p {
  color: var(--mist);
  font-size: 14px;
  margin: 0;
}

@media (max-width:900px) {
  .process-grid {
    grid-template-columns: 1fr;
  }
}

/* ---------- single-page nav active link on scroll ---------- */
nav.primary a.current {
  color: var(--amber);
}