/* ============================================================
   MT Tech Machinery Ltd — mt-tech.co.uk
   ============================================================ */

:root {
  --ink: #161c21;
  --slate-900: #1b2329;
  --slate-800: #232c33;
  --slate-700: #2e3a42;
  --slate-500: #54626c;
  --slate-300: #93a0a8;
  --paper: #f5f6f4;
  --white: #ffffff;
  --line: #e2e6e2;
  --line-dark: rgba(255, 255, 255, 0.14);
  --green: #3edc84;
  --green-soft: rgba(62, 220, 132, 0.1);
  --green-deep: #0f7a45;
  --font-sans: "Archivo", ui-sans-serif, system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SF Mono", monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--ink);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection { background: var(--green); color: var(--ink); }

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

a { color: inherit; }

:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 3px;
}

.wrap {
  max-width: 1160px;
  margin-inline: auto;
  padding-inline: 28px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--green);
  color: var(--ink);
  padding: 10px 18px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  z-index: 100;
}
.skip-link:focus { left: 0; }

/* ---------- type ---------- */

h1, h2, h3 {
  font-weight: 650;
  font-stretch: 106%;
  letter-spacing: -0.02em;
  line-height: 1.08;
  text-wrap: balance;
}

.kicker {
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--green-deep);
  margin-bottom: 22px;
}
.kicker::before {
  content: "";
  width: 34px;
  height: 2px;
  background: var(--green);
  flex: none;
}
.on-dark .kicker { color: var(--green); }

.lede {
  font-size: 1.2rem;
  line-height: 1.6;
  color: var(--slate-500);
  max-width: 56ch;
}
.on-dark .lede { color: var(--slate-300); }

/* ---------- buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 17px 30px;
  border-radius: 2px;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}
.btn .arrow { transition: transform 0.25s ease; }
.btn:hover .arrow { transform: translateX(5px); }

.btn--solid {
  background: var(--green);
  color: #0d2418;
}
.btn--solid:hover { background: #55e695; }

.btn--ghost {
  border: 1px solid var(--line-dark);
  color: var(--white);
}
.btn--ghost:hover { border-color: var(--green); color: var(--green); }

.btn--ink {
  border: 1px solid var(--ink);
  color: var(--ink);
}
.btn--ink:hover { background: var(--ink); color: var(--white); }

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--green-deep);
  border-bottom: 1px solid transparent;
  padding-bottom: 3px;
  transition: border-color 0.2s ease;
}
.text-link:hover { border-color: var(--green-deep); }
.on-dark .text-link { color: var(--green); }
.on-dark .text-link:hover { border-color: var(--green); }

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--slate-900);
  border-bottom: 1px solid var(--line-dark);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  color: var(--white);
}
.brand .logo-mark {
  width: 40px;
  height: 40px;
  color: var(--green);
  flex: none;
}
.brand-text { line-height: 1.15; }
.brand-text strong {
  display: block;
  font-size: 1.15rem;
  font-weight: 700;
  font-stretch: 106%;
  letter-spacing: -0.01em;
}
.brand-text span {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--slate-300);
}

.site-nav ul {
  display: flex;
  gap: 8px;
  list-style: none;
}
.site-nav a {
  display: block;
  padding: 10px 16px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--slate-300);
  transition: color 0.2s ease;
}
.site-nav a:hover { color: var(--white); }
.site-nav a[aria-current="page"] {
  color: var(--green);
}

.nav-toggle-box { display: none; }

/* ---------- hero (home) ---------- */

.hero {
  position: relative;
  background:
    radial-gradient(900px 480px at 85% -10%, rgba(62, 220, 132, 0.09), transparent 65%),
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    var(--slate-900);
  background-size: auto, 54px 54px, 54px 54px, auto;
  color: var(--white);
  overflow: hidden;
}

.hero-inner {
  position: relative;
  padding-block: 120px 130px;
  max-width: 780px;
}

.hero h1 {
  font-size: clamp(2.6rem, 6vw, 4.4rem);
  font-stretch: 110%;
  margin-bottom: 28px;
}
.hero h1 em {
  font-style: normal;
  color: var(--green);
}

.hero .lede { margin-bottom: 44px; }

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.hero-mark {
  position: absolute;
  right: -140px;
  top: 50%;
  width: 560px;
  height: 560px;
  transform: translateY(-50%);
  color: var(--white);
  opacity: 0.05;
  pointer-events: none;
}
@media (prefers-reduced-motion: no-preference) {
  .hero-mark { animation: slow-spin 140s linear infinite; }
  @keyframes slow-spin {
    from { transform: translateY(-50%) rotate(0deg); }
    to { transform: translateY(-50%) rotate(360deg); }
  }
  .hero-inner > * {
    animation: rise 0.7s cubic-bezier(0.2, 0.7, 0.2, 1) both;
  }
  .hero-inner > *:nth-child(2) { animation-delay: 0.08s; }
  .hero-inner > *:nth-child(3) { animation-delay: 0.16s; }
  .hero-inner > *:nth-child(4) { animation-delay: 0.24s; }
  @keyframes rise {
    from { opacity: 0; transform: translateY(18px); }
    to { opacity: 1; transform: none; }
  }
}

/* ---------- inner page hero ---------- */

.page-hero {
  background:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    var(--slate-900);
  background-size: 54px 54px, 54px 54px, auto;
  color: var(--white);
}
.page-hero-inner {
  padding-block: 84px 92px;
  max-width: 760px;
}
.page-hero h1 {
  font-size: clamp(2.3rem, 5vw, 3.6rem);
  margin-bottom: 22px;
}

/* ---------- sections ---------- */

.section { padding-block: 104px; }
.section--tight { padding-block: 88px; }
.section--paper { background: var(--paper); }
.section--dark {
  background: var(--slate-800);
  color: var(--white);
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 60px;
}
.section-head h2 {
  font-size: clamp(1.9rem, 3.6vw, 2.7rem);
  max-width: 22ch;
}
.section-head .text-link { flex: none; margin-bottom: 8px; }

/* ---------- pillars ---------- */

.pillars {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border: 1px solid var(--line);
}
.pillar {
  padding: 52px 48px 56px;
  background: var(--white);
  position: relative;
}
.pillar + .pillar { border-left: 1px solid var(--line); }
.pillar .pillar-num {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.15em;
  color: var(--green-deep);
  display: block;
  margin-bottom: 34px;
}
.pillar h3 {
  font-size: 1.55rem;
  margin-bottom: 16px;
}
.pillar p {
  color: var(--slate-500);
  margin-bottom: 30px;
  max-width: 46ch;
}

/* ---------- service index (home) ---------- */

.service-index {
  list-style: none;
  border-top: 1px solid var(--line);
}
.service-index li { border-bottom: 1px solid var(--line); }
.service-row {
  display: grid;
  grid-template-columns: 90px 1fr 1.2fr 60px;
  align-items: center;
  gap: 28px;
  padding: 30px 18px;
  text-decoration: none;
  transition: background 0.2s ease;
}
.service-row:hover { background: var(--green-soft); }
.service-row .num {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--green-deep);
  letter-spacing: 0.1em;
}
.service-row .name {
  font-weight: 600;
  font-stretch: 104%;
  font-size: 1.18rem;
  letter-spacing: -0.01em;
}
.service-row .blurb {
  color: var(--slate-500);
  font-size: 0.95rem;
  line-height: 1.55;
}
.service-row .go {
  justify-self: end;
  color: var(--slate-300);
  transition: color 0.2s ease, transform 0.25s ease;
}
.service-row:hover .go {
  color: var(--green-deep);
  transform: translateX(5px);
}

/* ---------- statement band ---------- */

.statement { max-width: 860px; }
.statement blockquote {
  font-size: clamp(1.45rem, 2.8vw, 2.05rem);
  font-weight: 500;
  font-stretch: 104%;
  letter-spacing: -0.015em;
  line-height: 1.35;
  text-wrap: balance;
}
.statement blockquote em {
  font-style: normal;
  color: var(--green);
}
.statement .text-link { margin-top: 38px; }

/* ---------- CTA band ---------- */

.cta-band {
  background:
    radial-gradient(700px 380px at 15% 120%, rgba(62, 220, 132, 0.12), transparent 65%),
    var(--slate-900);
  color: var(--white);
}
.cta-inner {
  padding-block: 100px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
  flex-wrap: wrap;
}
.cta-inner h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  max-width: 18ch;
}
.cta-contact { text-align: right; }
.cta-contact .email {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 1.02rem;
  color: var(--green);
  text-decoration: none;
  border-bottom: 1px solid rgba(62, 220, 132, 0.4);
  padding-bottom: 4px;
  margin-bottom: 26px;
  transition: border-color 0.2s ease;
}
.cta-contact .email:hover { border-color: var(--green); }
.cta-contact .btn { display: inline-flex; }
.cta-contact p {
  font-size: 0.9rem;
  color: var(--slate-300);
  margin-bottom: 18px;
}

/* ---------- services page ---------- */

.service-detail {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 56px;
  padding-block: 64px;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 100px;
}
.service-detail:last-of-type { border-bottom: none; }
.service-detail .meta .num {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  color: var(--green-deep);
  display: block;
  margin-bottom: 14px;
}
.service-detail .meta h2 {
  font-size: 1.5rem;
  line-height: 1.2;
}
.service-detail .body p {
  color: var(--slate-500);
  max-width: 68ch;
  font-size: 1.05rem;
}

.service-feature {
  margin-top: 72px;
  background: var(--slate-800);
  color: var(--white);
  padding: 64px 60px;
  position: relative;
  overflow: hidden;
  scroll-margin-top: 100px;
}
.service-feature .num {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  color: var(--green);
  display: block;
  margin-bottom: 18px;
}
.service-feature h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin-bottom: 20px;
  max-width: 20ch;
}
.service-feature p {
  color: var(--slate-300);
  max-width: 62ch;
  margin-bottom: 34px;
}
.service-feature .feature-mark {
  position: absolute;
  right: -70px;
  bottom: -90px;
  width: 340px;
  height: 340px;
  color: var(--white);
  opacity: 0.05;
  pointer-events: none;
}

/* ---------- about page ---------- */

.about-body {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 72px;
  align-items: start;
}
.about-body .first-para {
  font-size: 1.3rem;
  line-height: 1.55;
  font-weight: 500;
  letter-spacing: -0.01em;
  margin-bottom: 30px;
}
.about-body p { color: var(--slate-500); }
.about-body p + p { margin-top: 22px; }
.about-body .first-para { color: var(--ink); }

.about-aside {
  border-left: 2px solid var(--green);
  padding-left: 36px;
}
.about-aside h3 {
  font-size: 1.15rem;
  margin-bottom: 14px;
}
.about-aside p {
  font-size: 0.98rem;
  color: var(--slate-500);
}
.about-aside .fact + .fact { margin-top: 34px; }
.about-aside .fact-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--green-deep);
  display: block;
  margin-bottom: 8px;
}

.vision-card {
  background: var(--slate-800);
  color: var(--white);
  padding: 60px 56px;
  margin-bottom: 72px;
}
.vision-card p {
  font-size: clamp(1.25rem, 2.4vw, 1.65rem);
  font-weight: 500;
  line-height: 1.45;
  letter-spacing: -0.01em;
  max-width: 34ch;
  text-wrap: balance;
}

.mission-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border: 1px solid var(--line);
}
.mission-item {
  padding: 44px 40px 50px;
  background: var(--white);
}
.mission-item + .mission-item { border-left: 1px solid var(--line); }
.mission-item .num {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--green-deep);
  letter-spacing: 0.12em;
  display: block;
  margin-bottom: 28px;
}
.mission-item h3 { font-size: 1.22rem; margin-bottom: 14px; }
.mission-item p { color: var(--slate-500); font-size: 0.97rem; }

/* ---------- contact page ---------- */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 72px;
  align-items: start;
}

.contact-list { list-style: none; }
.contact-list li {
  padding-block: 30px;
  border-bottom: 1px solid var(--line);
}
.contact-list li:first-child { padding-top: 0; }
.contact-list .label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--green-deep);
  display: block;
  margin-bottom: 10px;
}
.contact-list .value {
  font-size: 1.15rem;
  font-weight: 500;
  line-height: 1.5;
}
.contact-list a.value {
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: border-color 0.2s ease;
}
.contact-list a.value:hover { border-color: var(--green-deep); }
.contact-note {
  margin-top: 34px;
  font-size: 0.95rem;
  color: var(--slate-500);
  max-width: 44ch;
}

.map-frame {
  border: 1px solid var(--line);
  background: var(--paper);
}
.map-frame iframe {
  display: block;
  width: 100%;
  height: 440px;
  border: 0;
  filter: grayscale(1) contrast(1.05);
  transition: filter 0.3s ease;
}
.map-frame:hover iframe { filter: grayscale(0.2); }
.map-frame .map-caption {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding: 18px 22px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--slate-500);
}
.map-frame .map-caption a {
  color: var(--green-deep);
  text-decoration: none;
  white-space: nowrap;
}
.map-frame .map-caption a:hover { text-decoration: underline; }

/* ---------- footer ---------- */

.site-footer {
  background: var(--slate-900);
  color: var(--slate-300);
  border-top: 1px solid var(--line-dark);
}
.footer-main {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 56px;
  padding-block: 72px;
}
.footer-brand .brand { margin-bottom: 22px; }
.footer-brand p {
  font-size: 0.95rem;
  max-width: 40ch;
}
.footer-col h4 {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 22px;
}
.footer-col ul { list-style: none; }
.footer-col li + li { margin-top: 12px; }
.footer-col a {
  text-decoration: none;
  color: var(--slate-300);
  font-size: 0.95rem;
  transition: color 0.2s ease;
}
.footer-col a:hover { color: var(--green); }
.footer-col address {
  font-style: normal;
  font-size: 0.95rem;
  line-height: 1.7;
}
.footer-col address a { color: var(--green); }

.footer-bar {
  border-top: 1px solid var(--line-dark);
  padding-block: 26px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--slate-500);
}

/* ---------- 404 ---------- */

.notfound {
  min-height: 60vh;
  display: grid;
  place-content: center;
  text-align: center;
  padding-block: 90px;
}
.notfound .code {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  color: var(--green-deep);
  margin-bottom: 18px;
}
.notfound h1 { font-size: clamp(2rem, 5vw, 3rem); margin-bottom: 18px; }
.notfound p { color: var(--slate-500); margin-bottom: 36px; }

/* ---------- responsive ---------- */

@media (max-width: 960px) {
  .service-row { grid-template-columns: 64px 1fr 44px; }
  .service-row .blurb { display: none; }
  .service-detail { grid-template-columns: 1fr; gap: 22px; padding-block: 52px; }
  .about-body { grid-template-columns: 1fr; gap: 52px; }
  .contact-grid { grid-template-columns: 1fr; gap: 52px; }
  .mission-grid { grid-template-columns: 1fr; }
  .mission-item + .mission-item {
    border-left: none;
    border-top: 1px solid var(--line);
  }
  .footer-main { grid-template-columns: 1fr; gap: 44px; }
  .cta-contact { text-align: left; }
}

@media (max-width: 860px) {
  .section { padding-block: 76px; }
  .hero-inner { padding-block: 88px 96px; }
  .hero-mark { display: none; }
  .pillars { grid-template-columns: 1fr; }
  .pillar + .pillar {
    border-left: none;
    border-top: 1px solid var(--line);
  }
  .pillar { padding: 40px 32px 44px; }
  .section-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
    margin-bottom: 44px;
  }
  .service-feature { padding: 48px 32px; }

  /* mobile nav */
  .nav-toggle-box {
    display: block;
    position: relative;
  }
  #nav-toggle { position: absolute; opacity: 0; pointer-events: none; }
  .nav-toggle-label {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 6px;
    width: 44px;
    height: 44px;
    padding: 10px;
    cursor: pointer;
  }
  .nav-toggle-label span {
    display: block;
    height: 2px;
    background: var(--white);
    transition: transform 0.25s ease, opacity 0.2s ease;
  }
  .site-nav {
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    background: var(--slate-900);
    border-bottom: 1px solid var(--line-dark);
    display: none;
  }
  .site-nav ul {
    flex-direction: column;
    gap: 0;
    padding: 12px 28px 24px;
  }
  .site-nav a { padding: 14px 0; font-size: 0.85rem; }
  .site-header:has(#nav-toggle:checked) .site-nav { display: block; }
  .site-header:has(#nav-toggle:checked) .nav-toggle-label span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }
  .site-header:has(#nav-toggle:checked) .nav-toggle-label span:nth-child(2) {
    opacity: 0;
  }
  .site-header:has(#nav-toggle:checked) .nav-toggle-label span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }
}

@media (max-width: 520px) {
  .wrap { padding-inline: 20px; }
  .hero h1 { font-size: 2.35rem; }
  .service-row { gap: 16px; padding: 24px 10px; }
  .vision-card { padding: 44px 30px; }
  .cta-inner { padding-block: 76px; }
}