/* ==========================================================================
   Precision Engineering — Design System
   Premium B2B industrial · corporate · minimal
   ========================================================================== */

/* ---------- 1. Tokens ---------- */
:root {
  /* Color — ink (deep navy, tuned to the logo blue) */
  --ink-900: #061531;
  --ink-800: #0b1f43;
  --ink-700: #16305b;
  --ink-600: #27416c;
  --slate-600: #46587a;
  --slate-500: #5c6d8a;
  --slate-400: #8b99b0;
  --line: #e4e9f1;
  --line-soft: #eef1f7;
  --bg: #ffffff;
  --bg-soft: #f5f7fa;
  --bg-wash: #f9fafc;

  /* Brand — Precision Engineering logo blue (#004AAD) */
  --brand-700: #003a8c;
  --brand-600: #004aad;
  --brand-500: #1560c8;
  --brand-300: #6ea6f2;   /* accent on dark backgrounds */
  --brand-100: #d7e5f9;
  --brand-050: #edf4fd;
  /* Steel — secondary industrial accent */
  --steel-400: #9fb1c8;

  /* Semantic */
  --success: #15803d;
  --focus-ring: 0 0 0 3px rgba(0, 74, 173, 0.3);

  /* Type */
  --font-head: "Space Grotesk", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: "SFMono-Regular", ui-monospace, "JetBrains Mono", Menlo, monospace;

  --fs-display: clamp(2.4rem, 5vw, 3.9rem);
  --fs-h1: clamp(2.1rem, 4vw, 3.1rem);
  --fs-h2: clamp(1.7rem, 2.8vw, 2.35rem);
  --fs-h3: 1.22rem;
  --fs-lead: clamp(1.04rem, 1.4vw, 1.2rem);
  --fs-body: 1rem;
  --fs-small: 0.875rem;
  --fs-tiny: 0.78rem;

  /* Rhythm */
  --section-y: clamp(64px, 9vw, 116px);
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 18px;
  --shadow-sm: 0 1px 2px rgba(6, 21, 49, 0.05), 0 2px 8px rgba(6, 21, 49, 0.05);
  --shadow-md: 0 4px 14px rgba(6, 21, 49, 0.07), 0 12px 32px rgba(6, 21, 49, 0.08);
  --shadow-lg: 0 8px 24px rgba(6, 21, 49, 0.1), 0 24px 64px rgba(6, 21, 49, 0.14);

  --container: 1200px;
  --gutter: 24px;

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --speed: 0.24s;
}

/* ---------- 2. Reset / base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

html, body {
  overflow-x: clip;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.65;
  color: var(--ink-700);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

h1, h2, h3, h4, h5 {
  font-family: var(--font-head);
  color: var(--ink-900);
  line-height: 1.15;
  margin: 0 0 0.5em;
  letter-spacing: -0.015em;
}

h1 { font-size: var(--fs-h1); font-weight: 700; }
h2 { font-size: var(--fs-h2); font-weight: 700; }
h3 { font-size: var(--fs-h3); font-weight: 600; }
h4 { font-size: 1.04rem; font-weight: 600; }

p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

a {
  color: var(--brand-700);
  text-decoration: none;
  transition: color var(--speed) var(--ease);
}
a:hover { color: var(--brand-600); }

ul, ol { margin: 0 0 1em; padding-left: 1.2em; }

strong { color: var(--ink-900); font-weight: 600; }

hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 2rem 0;
}

::selection { background: var(--brand-100); color: var(--ink-900); }

:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
  border-radius: 4px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 999;
  background: var(--ink-900);
  color: #fff;
  padding: 10px 18px;
  border-radius: 0 0 8px 0;
  font-weight: 600;
}
.skip-link:focus {
  left: 0;
  color: #fff;
}

/* ---------- 3. Layout ---------- */
.container {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section {
  padding-block: var(--section-y);
}
.section--soft { background: var(--bg-soft); }
.section--wash { background: var(--bg-wash); }
.section--dark {
  background: var(--ink-900);
  color: var(--slate-400);
}
.section--dark h2,
.section--dark h3 { color: #fff; }

.grid {
  display: grid;
  gap: 28px;
}
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 6vw, 80px);
  align-items: center;
}

/* ---------- 4. Section header ---------- */
.sec-head {
  max-width: 720px;
  margin-bottom: clamp(36px, 5vw, 56px);
}
.sec-head--center {
  margin-inline: auto;
  text-align: center;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-head);
  font-size: var(--fs-tiny);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brand-700);
  margin-bottom: 14px;
}
.eyebrow::before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--brand-600);
  border-radius: 2px;
}
.sec-head--center .eyebrow::after {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--brand-600);
  border-radius: 2px;
}
.lead {
  font-size: var(--fs-lead);
  color: var(--slate-500);
  line-height: 1.7;
}
.section--dark .lead { color: var(--slate-400); }

/* ---------- 5. Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 26px;
  border-radius: 10px;
  border: 1.5px solid transparent;
  font-family: var(--font-head);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  cursor: pointer;
  white-space: nowrap;
  transition: transform var(--speed) var(--ease),
              box-shadow var(--speed) var(--ease),
              background var(--speed) var(--ease),
              border-color var(--speed) var(--ease),
              color var(--speed) var(--ease);
}
.btn svg { flex: none; transition: transform var(--speed) var(--ease); }
.btn:hover svg.arrow { transform: translateX(3px); }

.btn--primary {
  background: var(--brand-600);
  color: #fff;
}
.btn--primary:hover {
  background: var(--brand-700);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(0, 74, 173, 0.3);
}

.btn--ghost {
  border-color: var(--line);
  color: var(--ink-800);
  background: transparent;
}
.btn--ghost:hover {
  border-color: var(--brand-600);
  color: var(--brand-700);
  transform: translateY(-1px);
}
.section--dark .btn--ghost,
.btn--ghost.on-dark {
  border-color: rgba(255, 255, 255, 0.25);
  color: #fff;
}
.section--dark .btn--ghost:hover,
.btn--ghost.on-dark:hover {
  border-color: var(--brand-600);
  color: var(--brand-600);
}

.btn--light {
  background: #fff;
  color: var(--ink-900);
}
.btn--light:hover {
  color: var(--ink-900);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
}

.btn--lg { padding: 17px 32px; font-size: 1.02rem; }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.94rem;
  color: var(--brand-700);
}
.link-arrow svg { transition: transform var(--speed) var(--ease); }
.link-arrow:hover svg { transform: translateX(4px); }

/* ---------- 6. Header ---------- */
.topbar {
  background: var(--ink-900);
  color: var(--slate-400);
  font-size: var(--fs-small);
}
.topbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 42px;
}
.topbar__note {
  display: flex;
  align-items: center;
  gap: 8px;
}
.topbar__links {
  display: flex;
  align-items: center;
  gap: 22px;
}
.topbar__links a {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: #d4dae4;
  font-weight: 500;
}
.topbar__links a:hover { color: var(--brand-600); }
.topbar__links svg { opacity: 0.75; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: saturate(1.4) blur(12px);
  -webkit-backdrop-filter: saturate(1.4) blur(12px);
  border-bottom: 1px solid var(--line-soft);
  transition: box-shadow var(--speed) var(--ease);
}
.site-header.is-scrolled { box-shadow: var(--shadow-sm); }

.nav-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 76px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink-900);
}
.brand:hover { color: var(--ink-900); }
.brand__mark { flex: none; }
.brand__text {
  font-family: var(--font-head);
  line-height: 1.05;
}
.brand__text b {
  display: block;
  font-size: 1.12rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}
.brand__text span {
  display: block;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--slate-500);
}

.nav {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav > li { list-style: none; position: relative; }
.nav { margin: 0; padding: 0; }
.nav a.nav__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  border-radius: 8px;
  font-family: var(--font-head);
  font-size: 0.94rem;
  font-weight: 500;
  color: var(--ink-700);
  position: relative;
}
.nav a.nav__link::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 4px;
  height: 2px;
  border-radius: 2px;
  background: var(--brand-600);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--speed) var(--ease);
}
.nav a.nav__link:hover { color: var(--ink-900); }
.nav a.nav__link:hover::after,
.nav li.is-active a.nav__link::after { transform: scaleX(1); }
.nav li.is-active a.nav__link { color: var(--ink-900); font-weight: 600; }

/* Dropdown */
.nav .has-sub > .nav__link .caret { transition: transform var(--speed) var(--ease); }
.nav .has-sub.open > .nav__link .caret,
.nav .has-sub:hover > .nav__link .caret { transform: rotate(180deg); }

.sub {
  position: absolute;
  top: calc(100% + 8px);
  left: 8px;
  min-width: 268px;
  background: #fff;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  padding: 8px;
  margin: 0;
  list-style: none;
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: opacity var(--speed) var(--ease),
              transform var(--speed) var(--ease),
              visibility var(--speed);
}
.has-sub:hover .sub,
.has-sub:focus-within .sub,
.has-sub.open .sub {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.sub a {
  display: flex;
  flex-direction: column;
  gap: 1px;
  padding: 10px 12px;
  border-radius: 8px;
  color: var(--ink-800);
  font-weight: 500;
  font-size: 0.93rem;
}
.sub a small {
  color: var(--slate-500);
  font-size: 0.78rem;
  font-weight: 400;
}
.sub a:hover { background: var(--brand-050); color: var(--ink-900); }
.sub a:hover small { color: var(--brand-700); }

.nav-cta { display: inline-flex; }
.nav-cta--mobile { display: none; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: none;
  border: 1px solid var(--line);
  border-radius: 8px;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  height: 2px;
  border-radius: 2px;
  background: var(--ink-900);
  transition: transform var(--speed) var(--ease), opacity var(--speed) var(--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); }

/* ---------- 7. Hero ---------- */
.hero {
  position: relative;
  background: var(--ink-900);
  color: var(--slate-400);
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse 90% 80% at 70% 20%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 90% 80% at 70% 20%, #000 30%, transparent 75%);
}
.hero::after {
  content: "";
  position: absolute;
  top: -220px;
  right: -160px;
  width: 640px;
  height: 640px;
  background: radial-gradient(circle, rgba(0, 74, 173, 0.16), transparent 62%);
  pointer-events: none;
}
.hero .container { position: relative; z-index: 1; }

.hero__inner {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(40px, 6vw, 72px);
  align-items: center;
  padding-block: clamp(72px, 9vw, 128px) clamp(56px, 7vw, 96px);
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 7px 14px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 100px;
  background: rgba(255, 255, 255, 0.04);
  font-family: var(--font-head);
  font-size: var(--fs-tiny);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #d4dae4;
  margin-bottom: 26px;
}
.hero__badge .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--brand-600);
  box-shadow: 0 0 0 4px rgba(0, 74, 173, 0.2);
}

.hero h1 {
  font-size: var(--fs-display);
  color: #fff;
  margin-bottom: 22px;
  letter-spacing: -0.02em;
}
.hero h1 .accent { color: var(--brand-600); }

.hero__lead {
  font-size: var(--fs-lead);
  line-height: 1.7;
  color: var(--slate-400);
  max-width: 54ch;
  margin-bottom: 34px;
}

.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 30px;
}

.hero__proof {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 22px;
  font-size: var(--fs-small);
  color: var(--slate-400);
}
.hero__proof span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.hero__proof svg { color: var(--brand-600); flex: none; }

/* Hero visual — blueprint card */
.hero__visual { position: relative; }
.blueprint {
  position: relative;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.015)),
    var(--ink-800);
  box-shadow: var(--shadow-lg);
  padding: 26px;
  overflow: hidden;
}
.blueprint::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 22px 22px;
  opacity: 0.6;
}
.blueprint__head {
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--slate-400);
  margin-bottom: 10px;
}
.blueprint__head b { color: #d4dae4; font-weight: 600; }
.blueprint svg.drawing { position: relative; width: 100%; height: auto; }

.spec-chip {
  position: absolute;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border-radius: 10px;
  background: rgba(11, 31, 67, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: var(--shadow-md);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: #d4dae4;
  backdrop-filter: blur(6px);
  z-index: 2;
}
.spec-chip b { color: var(--brand-600); font-weight: 600; }
.spec-chip--tl { top: -14px; left: -18px; }
.spec-chip--br { bottom: -14px; right: -14px; }

/* Hero stats band */
.hero-stats {
  position: relative;
  z-index: 1;
  border-top: 1px solid rgba(255, 255, 255, 0.09);
}
.hero-stats .container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  padding-block: 30px;
}
.stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.stat__num {
  font-family: var(--font-head);
  font-size: clamp(1.7rem, 2.6vw, 2.3rem);
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.01em;
  line-height: 1.1;
}
.stat__num .suffix { color: var(--brand-600); }
.stat__label {
  font-size: var(--fs-small);
  color: var(--slate-400);
}

/* Stats on light background */
.stats-light .stat__num { color: var(--ink-900); }
.stats-light .stat__label { color: var(--slate-500); }

/* ---------- 8. Cards ---------- */
.card {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 30px 28px;
  transition: transform var(--speed) var(--ease),
              box-shadow var(--speed) var(--ease),
              border-color var(--speed) var(--ease);
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: #b9cff0;
}

.card--service::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 28px;
  right: 28px;
  height: 3px;
  border-radius: 0 0 4px 4px;
  background: var(--brand-600);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.32s var(--ease);
}
.card--service:hover::before { transform: scaleX(1); }

.icon-tile {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 54px;
  height: 54px;
  border-radius: 14px;
  background: var(--brand-050);
  color: var(--brand-700);
  margin-bottom: 20px;
  transition: background var(--speed) var(--ease), color var(--speed) var(--ease);
}
.card:hover .icon-tile {
  background: var(--brand-600);
  color: #fff;
}

.card h3 { margin-bottom: 10px; }
.card p {
  color: var(--slate-500);
  font-size: 0.95rem;
  margin-bottom: 18px;
}
.card .link-arrow { font-size: 0.9rem; }

.card--flat { padding: 26px 24px; }
.card--flat:hover { transform: none; box-shadow: var(--shadow-sm); }

/* Feature / why-us item */
.feature {
  display: flex;
  gap: 18px;
  align-items: flex-start;
}
.feature .icon-tile {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  margin: 0;
  flex: none;
}
.feature h3 { font-size: 1.05rem; margin-bottom: 6px; }
.feature p { font-size: 0.93rem; color: var(--slate-500); margin: 0; }

.section--dark .feature h3 { color: #fff; }
.section--dark .feature p { color: var(--slate-400); }
.section--dark .feature .icon-tile {
  background: rgba(0, 74, 173, 0.14);
  color: var(--brand-600);
}

/* Industry card */
.card--industry {
  padding: 26px 24px;
  text-align: left;
}
.card--industry .icon-tile { margin-bottom: 16px; }
.card--industry h3 { font-size: 1.02rem; margin-bottom: 6px; }
.card--industry p { font-size: 0.88rem; margin-bottom: 0; }

/* Checklist */
.checklist {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 13px;
}
.checklist li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 0.97rem;
  color: var(--ink-700);
}
.checklist li svg {
  flex: none;
  margin-top: 3px;
  color: var(--brand-600);
}
.checklist li b { color: var(--ink-900); }
.section--dark .checklist li { color: #d4dae4; }

/* ---------- 9. Media / photo placeholders ---------- */
.ph {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background:
    linear-gradient(150deg, var(--ink-700) 0%, var(--ink-900) 70%),
    var(--ink-900);
  display: flex;
  align-items: flex-end;
  min-height: 240px;
  isolation: isolate;
}
.ph::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 26px 26px;
  z-index: 0;
}
.ph::after {
  content: "";
  position: absolute;
  top: -30%;
  right: -20%;
  width: 70%;
  height: 120%;
  background: radial-gradient(circle, rgba(0, 74, 173, 0.14), transparent 65%);
  z-index: 0;
}
.ph__icon {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.14);
  z-index: 0;
}
.ph__label {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 18px;
  padding: 8px 13px;
  border-radius: 8px;
  background: rgba(6, 21, 49, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.14);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: #d4dae4;
  backdrop-filter: blur(4px);
}
.ph__label svg { color: var(--brand-600); flex: none; }

.ph--4x3 { aspect-ratio: 4 / 3; }
.ph--16x9 { aspect-ratio: 16 / 9; }
.ph--square { aspect-ratio: 1; }
.ph--tall { aspect-ratio: 3.4 / 4; }

/* ---------- 10. Logo strip / clients ---------- */
.logo-strip {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
}
.logo-chip {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 74px;
  padding: 14px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--slate-400);
  transition: color var(--speed) var(--ease),
              border-color var(--speed) var(--ease),
              transform var(--speed) var(--ease);
}
.logo-chip:hover {
  color: var(--ink-700);
  border-color: var(--slate-400);
  transform: translateY(-2px);
}

/* Testimonials */
.card--quote {
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: 32px 30px;
}
.card--quote .qmark {
  color: var(--brand-600);
  flex: none;
}
.card--quote blockquote {
  margin: 0;
  font-size: 1.02rem;
  line-height: 1.7;
  color: var(--ink-700);
  flex: 1;
}
.quote__author {
  display: flex;
  align-items: center;
  gap: 14px;
  border-top: 1px solid var(--line-soft);
  padding-top: 20px;
}
.avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  flex: none;
  border-radius: 50%;
  background: var(--ink-800);
  color: #fff;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.04em;
}
.quote__author b {
  display: block;
  font-family: var(--font-head);
  font-size: 0.95rem;
  color: var(--ink-900);
}
.quote__author span {
  font-size: 0.83rem;
  color: var(--slate-500);
}

/* ---------- 11. CTA band ---------- */
.cta-band {
  position: relative;
  background: var(--ink-900);
  border-radius: var(--radius-lg);
  padding: clamp(40px, 6vw, 72px);
  overflow: hidden;
  display: grid;
  grid-template-columns: 1.4fr auto;
  gap: 32px;
  align-items: center;
}
.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 34px 34px;
}
.cta-band::after {
  content: "";
  position: absolute;
  top: -160px;
  right: -120px;
  width: 480px;
  height: 480px;
  background: radial-gradient(circle, rgba(0, 74, 173, 0.22), transparent 62%);
}
.cta-band > * { position: relative; z-index: 1; }
.cta-band h2 { color: #fff; margin-bottom: 12px; }
.cta-band p { color: var(--slate-400); max-width: 52ch; margin: 0; }
.cta-band__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

/* ---------- 12. Page hero (inner pages) ---------- */
.page-hero {
  position: relative;
  background: var(--ink-900);
  color: var(--slate-400);
  overflow: hidden;
}
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse 80% 90% at 80% 10%, #000 25%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 80% 90% at 80% 10%, #000 25%, transparent 70%);
}
.page-hero .container {
  position: relative;
  z-index: 1;
  padding-block: clamp(56px, 7vw, 88px);
}
.page-hero h1 { color: #fff; max-width: 20ch; margin-bottom: 16px; }
.page-hero .lead { max-width: 62ch; }

.crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  list-style: none;
  padding: 0;
  margin: 0 0 22px;
  font-family: var(--font-head);
  font-size: var(--fs-tiny);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.crumbs a { color: var(--slate-400); }
.crumbs a:hover { color: var(--brand-600); }
.crumbs li[aria-current] { color: var(--brand-600); }
.crumbs li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--slate-600);
}

/* ---------- 13. Service detail ---------- */
.steps {
  counter-reset: step;
  display: grid;
  gap: 0;
  list-style: none;
  padding: 0;
  margin: 0;
}
.steps li {
  counter-increment: step;
  position: relative;
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 20px;
  padding-block: 24px;
}
.steps li:not(:last-child)::before {
  content: "";
  position: absolute;
  left: 27px;
  top: 76px;
  bottom: -4px;
  width: 2px;
  background: var(--line);
}
.steps .step__num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid var(--line);
  font-family: var(--font-head);
  font-weight: 700;
  color: var(--ink-900);
  z-index: 1;
  transition: border-color var(--speed) var(--ease), background var(--speed) var(--ease), color var(--speed) var(--ease);
}
.steps .step__num::before { content: counter(step, decimal-leading-zero); }
.steps li:hover .step__num {
  border-color: var(--brand-600);
  background: var(--brand-600);
  color: #fff;
}
.steps h3 { font-size: 1.08rem; margin-bottom: 6px; }
.steps p { color: var(--slate-500); font-size: 0.95rem; margin: 0; max-width: 62ch; }

.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.spec-table th,
.spec-table td {
  text-align: left;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line-soft);
}
.spec-table tr:last-child th,
.spec-table tr:last-child td { border-bottom: 0; }
.spec-table th {
  font-family: var(--font-head);
  font-weight: 600;
  color: var(--ink-900);
  width: 42%;
  background: var(--bg-soft);
}
.spec-table td { color: var(--slate-600); }

.table-wrap { overflow-x: auto; border-radius: var(--radius); }

/* Tag chips */
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  list-style: none;
  padding: 0;
  margin: 0;
}
.tags li {
  padding: 8px 15px;
  border-radius: 100px;
  border: 1px solid var(--line);
  background: #fff;
  font-family: var(--font-head);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--ink-700);
}

/* ---------- 14. About page ---------- */
.value-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.milestones {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 26px;
}
.milestones li {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 20px;
  align-items: baseline;
}
.milestones .year {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--brand-700);
}
.milestones h3 { font-size: 1.02rem; margin-bottom: 4px; }
.milestones p { font-size: 0.92rem; color: var(--slate-500); margin: 0; }

.cert-chip {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--ink-800);
}
.cert-chip svg { color: var(--brand-600); }

/* ---------- 15. Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(32px, 5vw, 56px);
  align-items: start;
}

.info-card {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  transition: border-color var(--speed) var(--ease), box-shadow var(--speed) var(--ease);
}
.info-card:hover { border-color: #b9cff0; box-shadow: var(--shadow-sm); }
.info-card .icon-tile { width: 44px; height: 44px; border-radius: 11px; margin: 0; flex: none; }
.info-card h3 { font-size: 0.98rem; margin-bottom: 4px; }
.info-card p, .info-card a.big {
  font-size: 0.93rem;
  color: var(--slate-500);
  margin: 0;
}
.info-card a.big {
  display: block;
  font-family: var(--font-head);
  font-weight: 600;
  color: var(--ink-800);
  font-size: 1.02rem;
}
.info-card a.big:hover { color: var(--brand-700); }

.form-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: clamp(26px, 4vw, 40px);
  box-shadow: var(--shadow-sm);
}
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.form-grid .full { grid-column: 1 / -1; }

.field label {
  display: block;
  font-family: var(--font-head);
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--ink-800);
  margin-bottom: 7px;
}
.field label .req { color: var(--brand-700); }
.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 13px 15px;
  border: 1.5px solid var(--line);
  border-radius: 10px;
  background: var(--bg-wash);
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--ink-900);
  transition: border-color var(--speed) var(--ease), background var(--speed) var(--ease), box-shadow var(--speed) var(--ease);
  appearance: none;
}
.field select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none'%3E%3Cpath d='M1 1.5 6 6.5 11 1.5' stroke='%235c6d8a' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 15px center;
  padding-right: 40px;
}
.field textarea { min-height: 130px; resize: vertical; }
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--brand-600);
  background: #fff;
  box-shadow: var(--focus-ring);
}
.field input::placeholder,
.field textarea::placeholder { color: var(--slate-400); }

.form-note {
  font-size: var(--fs-tiny);
  color: var(--slate-400);
  margin-top: 14px;
}

.form-success {
  display: none;
  text-align: center;
  padding: 40px 20px;
}
.form-success.show { display: block; }
.form-success .icon-tile {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: #e7f6ec;
  color: var(--success);
  margin: 0 auto 18px;
}
.form-card.sent form { display: none; }

/* Map placeholder */
.map-ph { min-height: 300px; }

/* ---------- 16. Footer ---------- */
.footer {
  background: var(--ink-900);
  color: var(--slate-400);
  font-size: 0.93rem;
}
.footer__main {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.3fr;
  gap: clamp(28px, 4vw, 56px);
  padding-block: clamp(52px, 6vw, 76px) 44px;
}
.footer .brand { color: #fff; margin-bottom: 18px; }
.footer .brand__text span { color: var(--slate-400); }
.footer__about { max-width: 34ch; }
.footer h4 {
  color: #fff;
  font-size: 0.85rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 18px;
}
.footer ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 11px;
}
.footer ul a { color: var(--slate-400); }
.footer ul a:hover { color: var(--brand-600); }

.footer__contact li {
  display: flex;
  gap: 11px;
  align-items: flex-start;
  line-height: 1.5;
}
.footer__contact svg {
  flex: none;
  margin-top: 3px;
  color: var(--brand-600);
}
.footer__contact a { color: #d4dae4; }
.footer__contact a:hover { color: var(--brand-600); }

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-block: 22px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  font-size: 0.82rem;
}
.footer__bottom a { color: var(--slate-400); }
.footer__bottom a:hover { color: var(--brand-600); }

/* ---------- 17. Reveal micro-interactions ---------- */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
  transition-delay: var(--reveal-delay, 0s);
}
.reveal.in-view {
  opacity: 1;
  transform: none;
}

/* Stagger helpers */
.stagger > *:nth-child(1) { --reveal-delay: 0s; }
.stagger > *:nth-child(2) { --reveal-delay: 0.08s; }
.stagger > *:nth-child(3) { --reveal-delay: 0.16s; }
.stagger > *:nth-child(4) { --reveal-delay: 0.24s; }
.stagger > *:nth-child(5) { --reveal-delay: 0.32s; }
.stagger > *:nth-child(6) { --reveal-delay: 0.4s; }
.stagger > *:nth-child(7) { --reveal-delay: 0.48s; }
.stagger > *:nth-child(8) { --reveal-delay: 0.56s; }

/* ---------- 18. Responsive ---------- */
@media (max-width: 1020px) {
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .logo-strip { grid-template-columns: repeat(3, 1fr); }
  .value-strip { grid-template-columns: 1fr; }

  .hero__inner { grid-template-columns: 1fr; }
  .hero__visual { max-width: 620px; }
  .spec-chip--tl { left: 10px; }
  .spec-chip--br { right: 10px; }

  .footer__main { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 880px) {
  .nav-toggle { display: flex; }

  .nav-wrap {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow-md);
    padding: 12px var(--gutter) 22px;
    display: none;
  }
  .nav-wrap.open { display: block; }

  .nav {
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
  }
  .nav a.nav__link {
    width: 100%;
    justify-content: space-between;
    padding: 13px 12px;
    font-size: 1rem;
  }
  .nav a.nav__link::after { display: none; }
  .nav li.is-active a.nav__link { color: var(--brand-700); }

  .sub {
    position: static;
    min-width: 0;
    box-shadow: none;
    border: 0;
    border-left: 2px solid var(--line);
    border-radius: 0;
    margin: 2px 0 8px 14px;
    padding: 0 0 0 6px;
    opacity: 1;
    visibility: visible;
    transform: none;
    display: none;
  }
  .has-sub.open .sub { display: block; }

  .nav-cta { display: none; }
  .nav-cta--mobile {
    display: inline-flex;
    width: 100%;
    margin-top: 14px;
  }

  .topbar__note { display: none; }
  .topbar .container { justify-content: center; flex-wrap: wrap; padding-block: 7px; min-height: 0; }
  .topbar__links { flex-wrap: wrap; justify-content: center; gap: 6px 18px; }

  .split { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .cta-band { grid-template-columns: 1fr; }

  .hero-stats .container { grid-template-columns: repeat(2, 1fr); gap: 26px; }
}

@media (max-width: 560px) {
  .grid--4, .grid--3, .grid--2 { grid-template-columns: 1fr; }
  .logo-strip { grid-template-columns: repeat(2, 1fr); }
  .form-grid { grid-template-columns: 1fr; }
  .footer__main { grid-template-columns: 1fr; }
  .hero__ctas .btn { width: 100%; }
  .cta-band__actions .btn { width: 100%; }
  .milestones li { grid-template-columns: 64px 1fr; }
  .steps li { grid-template-columns: 44px 1fr; gap: 16px; }
  .steps .step__num { width: 44px; height: 44px; font-size: 0.85rem; }
  .steps li:not(:last-child)::before { left: 21px; top: 64px; }
  .spec-chip { display: none; }
  .hero__badge {
    max-width: 100%;
    white-space: normal;
    line-height: 1.5;
    letter-spacing: 0.05em;
  }
}

/* ---------- 19. Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}


/* ==========================================================================
   Brand refresh — logo, dark-surface accents, info panels, extras
   ========================================================================== */

/* Logo in header/footer */
.brand__logo { width: 50px; height: 50px; flex: none; }
.footer .brand__logo { width: 56px; height: 56px; }
.footer .brand__text b { color: #fff; }
.footer .brand__text span { color: var(--steel-400); }

/* On dark surfaces the logo blue is too deep to read as text — lift it */
.hero, .section--dark, .cta-band, .page-hero, .footer, .ph {
  --accent-on-dark: var(--brand-300);
}
.hero .accent,
.section--dark .eyebrow, .cta-band .eyebrow, .page-hero .eyebrow,
.ph__label svg, .hero__proof svg { color: var(--accent-on-dark); }
.section--dark .eyebrow::before, .cta-band .eyebrow::before, .page-hero .eyebrow::before { background: var(--accent-on-dark); }
.section--dark .btn--ghost:hover, .btn--ghost.on-dark:hover { border-color: var(--brand-300); color: var(--brand-300); }
.section--dark .feature .icon-tile { background: rgba(110, 166, 242, 0.14); color: var(--brand-300); }
.hero__badge .dot { background: var(--brand-300); box-shadow: 0 0 0 4px rgba(110, 166, 242, 0.22); }
.page-hero .crumbs a:hover, .footer a:hover { color: var(--brand-300); }

/* Primary button: logo blue, with a crisp edge on navy */
.btn--primary { background: var(--brand-600); }
.btn--primary:hover { background: var(--brand-700); }
.hero .btn--primary, .cta-band .btn--primary, .section--dark .btn--primary {
  background: var(--brand-500);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.12);
}
.hero .btn--primary:hover, .cta-band .btn--primary:hover, .section--dark .btn--primary:hover { background: var(--brand-600); }

/* Blueprint panels (replace empty photo boxes until real photos arrive) */
.ph { align-items: stretch; flex-direction: column; justify-content: flex-end; }
.ph img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: 0; }
.ph__fig {
  position: relative; z-index: 1;
  margin: auto 24px 0; padding-top: 24px;
  color: #fff; font-family: var(--font-head);
}
.ph__fig b { display: block; font-size: clamp(2.4rem, 5vw, 3.6rem); line-height: 1; font-weight: 700; letter-spacing: -0.02em; }
.ph__fig b small { font-size: 0.45em; font-weight: 600; color: var(--brand-300); margin-left: 4px; letter-spacing: 0; }
.ph__fig span { display: block; margin-top: 8px; font-size: 0.98rem; color: #c9d4e5; max-width: 30ch; line-height: 1.45; }
.ph__icon { color: rgba(110, 166, 242, 0.16); justify-content: flex-end; padding-right: 8%; }
.ph__label { align-self: flex-start; }
.ph::after { background: radial-gradient(circle, rgba(21, 96, 200, 0.28), transparent 65%); }

/* "New" / "Coming soon" badges */
.badge-new {
  display: inline-block; margin-left: 8px; padding: 2px 8px; border-radius: 100px;
  background: var(--brand-600); color: #fff;
  font-family: var(--font-head); font-size: 0.62rem; font-weight: 700;
  letter-spacing: 0.08em; text-transform: uppercase; vertical-align: middle;
}
.page-hero .badge-new, .hero .badge-new { background: var(--brand-300); color: var(--ink-900); }

/* Announcement strip on the homepage */
.announce {
  background: var(--brand-600); color: #fff;
  font-family: var(--font-head); font-size: 0.9rem;
}
.announce .container { display: flex; align-items: center; justify-content: center; gap: 12px; padding-block: 11px; flex-wrap: wrap; text-align: center; }
.announce a { color: #fff; text-decoration: underline; text-underline-offset: 3px; font-weight: 600; }
.announce a:hover { color: var(--brand-100); }

/* Integration chain (sand → core → machining → impregnation → casting) */
.chain { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; counter-reset: chain; }
.chain li {
  counter-increment: chain; position: relative;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px 20px 20px; border-top: 3px solid var(--brand-600);
}
.chain li::before {
  content: counter(chain, decimal-leading-zero);
  display: block; font-family: var(--font-mono); font-size: 0.75rem; color: var(--brand-600); margin-bottom: 10px; letter-spacing: 0.08em;
}
.chain h3 { font-size: 1.02rem; margin-bottom: 6px; }
.chain p { font-size: 0.9rem; color: var(--slate-500); margin: 0; }
.chain .metric { display: block; margin-top: 12px; font-family: var(--font-head); font-weight: 700; color: var(--ink-900); font-size: 1.05rem; }
.chain li.is-next { border-top-style: dashed; background: var(--bg-wash); }

/* Client cards */
.client-card { display: grid; gap: 14px; }
.client-card .client-name { font-family: var(--font-head); font-size: 1.5rem; font-weight: 700; color: var(--ink-900); letter-spacing: 0.01em; }
.client-card .client-role { font-size: 0.85rem; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--brand-600); }

/* Machine spec cards (GDC) */
.machine-card { border-top: 3px solid var(--brand-600); }
.machine-card .qty { font-family: var(--font-head); font-size: 2.6rem; font-weight: 700; color: var(--brand-600); line-height: 1; margin-bottom: 10px; }

/* Map */
.map-frame { border: 0; width: 100%; aspect-ratio: 16 / 7; border-radius: var(--radius-lg); display: block; background: var(--bg-soft); min-height: 300px; }
.map-actions { display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between; align-items: center; margin-top: 16px; }
.map-actions p { margin: 0; color: var(--slate-500); font-size: 0.94rem; }

/* WhatsApp button */
.btn--wa { background: #1f9d55; color: #fff; }
.btn--wa:hover { background: #17834a; color: #fff; transform: translateY(-1px); }
.form-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

/* GST line */
.legal-line { font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.04em; color: var(--steel-400); }

@media (max-width: 1020px) {
  .chain { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .chain { grid-template-columns: 1fr; }
  .form-actions { grid-template-columns: 1fr; }
  .brand__logo { width: 42px; height: 42px; }
  .map-frame { aspect-ratio: 4 / 3; }
}

.hero .stat__num .suffix, .section--dark .stat__num .suffix { color: var(--brand-300); }
.stats-light .stat__num .suffix { color: var(--brand-600); }

/* Page banner readability */
.page-hero .lead { color: #c3cee0; }
.page-hero .crumbs [aria-current] { color: var(--brand-300); }
.hero h1 .accent { color: var(--brand-300); }
.hero__lead { color: #c3cee0; }
.spec-chip b { color: var(--brand-300); }