/* ==========================================================================
   Aditya Engineering Enterprises — site.css
   Palette derived from the original site: brand blue header, charcoal nav,
   signal-yellow active state — refined into an industrial system.
   ========================================================================== */

:root {
  /* Brand */
  --blue-700: #1f4aa8;
  --blue-600: #2c5cc5;
  --blue-500: #3d6fd6;          /* evolved from legacy header blue #4776D4 */
  --blue-100: #e7eefb;
  --signal:   #e4dc3a;          /* legacy active-nav yellow — dark backgrounds only */

  /* Neutrals */
  --ink-950: #111315;
  --ink-900: #17191c;
  --ink-800: #202328;
  --ink-700: #2c3036;
  --steel-600: #4a525c;
  --steel-500: #5f6873;
  --steel-400: #8a939e;
  --steel-300: #b4bcc6;
  --line:      #dfe3e8;
  --line-soft: #eceff3;
  --paper:     #f4f6f8;
  --white:     #ffffff;

  /* Type */
  --font-display: "Manrope", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  /* Layout */
  --max: 1240px;
  --gutter: clamp(16px, 4vw, 40px);
  --header-h: 76px;
  --radius: 4px;
  --ease: cubic-bezier(.2,.7,.2,1);
}

*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink-800);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; height: auto; }
a { color: var(--blue-600); text-decoration: none; }
a:hover { color: var(--blue-700); }
:focus-visible { outline: 2px solid var(--blue-500); outline-offset: 3px; }
.on-dark :focus-visible, .site-header:not(.is-solid) :focus-visible { outline-color: var(--signal); }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--ink-950);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 .5em;
  font-weight: 700;
}
h1 { font-size: clamp(2.2rem, 5vw, 4rem); font-weight: 800; letter-spacing: -0.03em; }
h2 { font-size: clamp(1.75rem, 3.2vw, 2.6rem); }
h3 { font-size: 1.2rem; letter-spacing: -0.01em; }
p { margin: 0 0 1em; }

.skip-link {
  position: absolute; left: -999px; top: 8px; z-index: 200;
  background: var(--ink-950); color: #fff; padding: 10px 16px;
}
.skip-link:focus { left: 8px; color: #fff; }

.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }

/* ---------- Utility type ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-mono);
  font-size: .74rem; font-weight: 500;
  letter-spacing: .14em; text-transform: uppercase;
  color: var(--blue-600);
  margin-bottom: 18px;
}
.eyebrow::before { content: ""; width: 28px; height: 2px; background: currentColor; }
.on-dark .eyebrow { color: var(--signal); }
.lead { font-size: clamp(1.05rem, 1.4vw, 1.2rem); color: var(--steel-600); max-width: 62ch; }
.on-dark .lead { color: var(--steel-300); }
.mono { font-family: var(--font-mono); }
.muted { color: var(--steel-500); }

/* ---------- Buttons ---------- */
.btn {
  --bg: var(--blue-600); --fg: #fff; --bd: var(--blue-600);
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 48px; padding: 12px 24px;
  font-family: var(--font-display); font-weight: 700; font-size: .95rem; letter-spacing: .01em;
  color: var(--fg); background: var(--bg); border: 1.5px solid var(--bd);
  border-radius: var(--radius); cursor: pointer;
  transition: background-color .2s var(--ease), border-color .2s var(--ease), color .2s var(--ease);
}
.btn:hover { --bg: var(--blue-700); --bd: var(--blue-700); color: #fff; }
.btn svg { width: 18px; height: 18px; transition: transform .2s var(--ease); }
.btn:hover svg { transform: translateX(3px); }
.btn--ghost { --bg: transparent; --fg: var(--ink-900); --bd: var(--steel-300); }
.btn--ghost:hover { --bg: var(--ink-900); --bd: var(--ink-900); }
.on-dark .btn--ghost { --fg: #fff; --bd: rgba(255,255,255,.35); }
.on-dark .btn--ghost:hover { --bg: #fff; --fg: var(--ink-950); --bd: #fff; color: var(--ink-950); }
.btn--sm { min-height: 40px; padding: 8px 16px; font-size: .88rem; }
.btn-row { display: flex; flex-wrap: wrap; gap: 14px; }

.text-link {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-display); font-weight: 700; font-size: .95rem;
  color: var(--ink-900); border-bottom: 1.5px solid var(--blue-500); padding-bottom: 2px;
}
.text-link svg { width: 16px; height: 16px; transition: transform .2s var(--ease); }
.text-link:hover { color: var(--blue-700); }
.text-link:hover svg { transform: translateX(3px); }
.on-dark .text-link { color: #fff; border-color: var(--signal); }

/* ==========================================================================
   Header
   ========================================================================== */
.topbar {
  background: var(--ink-950); color: var(--steel-300);
  font-size: .8rem; font-family: var(--font-mono);
}
.topbar .container { display: flex; justify-content: space-between; align-items: center; min-height: 38px; gap: 16px; }
.topbar a { color: var(--steel-300); }
.topbar a:hover { color: #fff; }
.topbar__items { display: flex; gap: 24px; }
.topbar__items span, .topbar__items a { display: inline-flex; align-items: center; gap: 8px; }
.topbar svg { width: 14px; height: 14px; opacity: .8; }

.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(17,19,21,.0);
  transition: background-color .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.page-home .site-header, .page-inner .site-header { margin-bottom: calc(-1 * var(--header-h)); }
.site-header.is-solid {
  background: rgba(255,255,255,.97);
  backdrop-filter: saturate(160%) blur(10px);
  -webkit-backdrop-filter: saturate(160%) blur(10px);
  border-color: var(--line);
  box-shadow: 0 6px 24px -12px rgba(17,19,21,.18);
}
.header__inner { display: flex; align-items: center; gap: 28px; height: var(--header-h); }

.brand { display: flex; align-items: center; gap: 12px; color: #fff; flex-shrink: 0; }
.brand:hover { color: #fff; }
.brand__mark { width: 42px; height: 42px; flex-shrink: 0; }
.brand__text { display: flex; flex-direction: column; line-height: 1; }
.brand__name { font-family: var(--font-display); font-weight: 800; font-size: 1.12rem; letter-spacing: .02em; text-transform: uppercase; }
.brand__sub { font-family: var(--font-mono); font-size: .62rem; letter-spacing: .2em; text-transform: uppercase; color: var(--steel-300); margin-top: 6px; }
.is-solid .brand, .is-solid .brand:hover { color: var(--ink-950); }
.is-solid .brand__sub { color: var(--steel-500); }

.nav { margin-left: auto; }
.nav__list { display: flex; gap: 2px; list-style: none; margin: 0; padding: 0; }
.nav__link {
  position: relative; display: block; padding: 10px 12px;
  font-family: var(--font-display); font-weight: 600; font-size: .92rem;
  color: rgba(255,255,255,.86);
  transition: color .2s var(--ease);
}
.nav__link::after {
  content: ""; position: absolute; left: 12px; right: 12px; bottom: 2px; height: 2px;
  background: var(--signal); transform: scaleX(0); transform-origin: left; transition: transform .25s var(--ease);
}
.nav__link:hover, .nav__link[aria-current="page"] { color: #fff; }
.nav__link:hover::after, .nav__link[aria-current="page"]::after { transform: scaleX(1); }
.is-solid .nav__link { color: var(--steel-600); }
.is-solid .nav__link:hover, .is-solid .nav__link[aria-current="page"] { color: var(--ink-950); }
.is-solid .nav__link::after { background: var(--blue-500); }

.header__cta { flex-shrink: 0; }
.nav-toggle {
  display: none; width: 44px; height: 44px; border: 1px solid rgba(255,255,255,.25);
  background: transparent; border-radius: var(--radius); cursor: pointer; color: #fff;
  align-items: center; justify-content: center;
}
.is-solid .nav-toggle { color: var(--ink-900); border-color: var(--line); }
.nav-toggle svg { width: 22px; height: 22px; }

@media (max-width: 1140px) {
  .nav-toggle { display: inline-flex; }
  .header__cta { margin-left: auto; }
  .nav {
    position: fixed; inset: 0; top: 0; margin: 0; z-index: 150;
    background: var(--ink-950);
    opacity: 0; transform: translateY(-12px); visibility: hidden;
    transition: opacity .3s var(--ease), transform .3s var(--ease), visibility .3s;
    padding: 96px var(--gutter) 40px; overflow-y: auto;
  }
  .nav.is-open { opacity: 1; transform: none; visibility: visible; }
  .nav__list { flex-direction: column; gap: 0; }
  .nav__link, .is-solid .nav__link {
    color: #fff; font-size: 1.5rem; font-weight: 700; padding: 16px 0;
    border-bottom: 1px solid rgba(255,255,255,.08);
  }
  .nav__link::after { display: none; }
  .nav__link[aria-current="page"] { color: var(--signal) !important; }
  .nav__close {
    position: absolute; top: 20px; right: var(--gutter);
    width: 44px; height: 44px; background: transparent; color: #fff;
    border: 1px solid rgba(255,255,255,.25); border-radius: var(--radius); cursor: pointer;
    display: inline-flex; align-items: center; justify-content: center;
  }
  .nav__close svg { width: 22px; height: 22px; }
  .nav__meta { margin-top: 32px; color: var(--steel-300); font-family: var(--font-mono); font-size: .85rem; line-height: 2; }
  .nav__meta a { color: #fff; }
  body.nav-open { overflow: hidden; }
}
@media (min-width: 1141px) { .nav__close, .nav__meta { display: none; } }
@media (max-width: 720px) {
  .topbar__items .hide-sm { display: none; }
  .brand__name { font-size: .98rem; }
  .brand__mark { width: 36px; height: 36px; }
  .header__cta .btn { padding: 8px 12px; font-size: .82rem; min-height: 40px; }
  .header__inner { gap: 12px; }
}
@media (max-width: 560px) {
  .header__cta { display: none; }           /* quote CTA moves to the fixed bottom bar */
  .nav-toggle { margin-left: auto; }
}
@media (max-width: 360px) { .brand__sub { display: none; } }

/* ==========================================================================
   Hero (home)
   ========================================================================== */
.hero {
  position: relative; overflow: hidden;
  background: var(--ink-950); color: #fff;
  padding: calc(var(--header-h) + clamp(48px, 8vw, 96px)) 0 0;
}
.hero::before, .page-hero::before, .section--dark::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px),
    linear-gradient(rgba(255,255,255,.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.02) 1px, transparent 1px);
  background-size: 96px 96px, 96px 96px, 24px 24px, 24px 24px;
  mask-image: radial-gradient(ellipse at 70% 40%, #000 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at 70% 40%, #000 20%, transparent 75%);
}
.hero__grid {
  position: relative; display: grid; grid-template-columns: 1.05fr 1fr;
  gap: clamp(32px, 5vw, 72px); align-items: center;
}
.hero h1 { color: #fff; margin-bottom: 24px; }
.hero h1 em { font-style: normal; color: var(--blue-500); display: block; }
.hero .lead { margin-bottom: 36px; }
.hero__meta {
  display: flex; flex-wrap: wrap; gap: 8px 22px; margin-top: 36px;
  font-family: var(--font-mono); font-size: .76rem; letter-spacing: .08em; text-transform: uppercase; color: var(--steel-400);
}
.hero__meta span { display: inline-flex; align-items: center; gap: 8px; }
.hero__meta span::before { content: ""; width: 6px; height: 6px; background: var(--signal); }

.hero__visual { position: relative; }
.plate {
  position: relative; background: #fff; border-radius: 2px;
  box-shadow: 0 40px 80px -30px rgba(0,0,0,.6);
}
.plate img { width: 100%; aspect-ratio: 5/3.1; object-fit: cover; }
.plate__svg { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.plate__svg .dim { stroke: var(--blue-600); stroke-width: 1; fill: none; }
.plate__svg .dim-dash { stroke-dasharray: 4 4; }
.plate__svg text { font-family: var(--font-mono); font-size: 10px; font-weight: 600; fill: var(--blue-700); letter-spacing: .08em; paint-order: stroke; stroke: #fff; stroke-width: 4px; stroke-linejoin: round; }
.plate__label {
  position: absolute; left: 0; bottom: 0; transform: translateY(50%);
  margin-left: 20px; background: var(--blue-600); color: #fff;
  padding: 10px 16px; font-family: var(--font-mono); font-size: .72rem; letter-spacing: .12em; text-transform: uppercase;
}
.hero__corner {
  position: absolute; width: 22px; height: 22px; border-color: var(--signal); border-style: solid; border-width: 0;
}
.hero__corner--tl { top: -12px; left: -12px; border-top-width: 2px; border-left-width: 2px; }
.hero__corner--br { bottom: -12px; right: -12px; border-bottom-width: 2px; border-right-width: 2px; }

.draw { stroke-dasharray: var(--len, 600); stroke-dashoffset: var(--len, 600); animation: draw 1.8s var(--ease) forwards; animation-delay: var(--d, .3s); }
.fade-in { opacity: 0; animation: fade .8s var(--ease) forwards; animation-delay: var(--d, 1.2s); }
@keyframes draw { to { stroke-dashoffset: 0; } }
@keyframes fade { to { opacity: 1; } }

.scanline {
  position: absolute; left: 0; right: 0; height: 1px; top: 0;
  background: linear-gradient(90deg, transparent, var(--blue-500), transparent);
  opacity: .7; animation: scan 6s linear infinite;
}
@keyframes scan { 0% { top: 0; } 100% { top: 100%; } }

/* Fact strip */
.facts {
  position: relative; margin-top: clamp(56px, 8vw, 96px);
  display: grid; grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid rgba(255,255,255,.1);
}
.fact { padding: 28px 24px 32px 0; border-right: 1px solid rgba(255,255,255,.1); }
.fact + .fact { padding-left: 24px; }
.fact:last-child { border-right: 0; }
.fact__value { font-family: var(--font-display); font-weight: 800; font-size: clamp(1.6rem, 2.8vw, 2.25rem); color: #fff; letter-spacing: -0.02em; line-height: 1.1; }
.fact__label { font-size: .88rem; color: var(--steel-400); margin-top: 6px; }

@media (max-width: 960px) {
  .hero__grid { grid-template-columns: 1fr; }
  .hero__visual { max-width: 640px; }
  .facts { grid-template-columns: repeat(2, 1fr); }
  .fact:nth-child(2) { border-right: 0; }
  .fact:nth-child(3) { padding-left: 0; }
  .fact:nth-child(n+3) { border-top: 1px solid rgba(255,255,255,.1); }
}

/* ==========================================================================
   Page hero (inner)
   ========================================================================== */
.page-hero {
  position: relative; overflow: hidden; background: var(--ink-950); color: #fff;
  padding: calc(var(--header-h) + clamp(48px, 7vw, 88px)) 0 clamp(48px, 7vw, 80px);
}
.page-hero h1 { color: #fff; font-size: clamp(2rem, 4.4vw, 3.4rem); max-width: 20ch; }
.page-hero .lead { margin-top: 8px; }
.breadcrumb { font-family: var(--font-mono); font-size: .76rem; letter-spacing: .08em; text-transform: uppercase; color: var(--steel-400); margin-bottom: 28px; }
.breadcrumb ol { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; padding: 0; margin: 0; }
.breadcrumb li + li::before { content: "/"; margin-right: 8px; color: var(--steel-500); }
.breadcrumb a { color: var(--steel-300); }
.breadcrumb a:hover { color: #fff; }
.page-hero__index {
  position: absolute; right: var(--gutter); bottom: 24px;
  font-family: var(--font-mono); font-size: .72rem; letter-spacing: .14em; color: var(--steel-500);
}
.page-hero .container { position: relative; }

/* ==========================================================================
   Sections
   ========================================================================== */
.section { position: relative; padding: clamp(72px, 9vw, 128px) 0; }
.section--paper { background: var(--paper); }
.section--dark { background: var(--ink-900); color: var(--steel-300); overflow: hidden; }
.section--dark h2, .section--dark h3 { color: #fff; }
.section--dark::before { mask-image: linear-gradient(180deg, #000, transparent 70%); -webkit-mask-image: linear-gradient(180deg, #000, transparent 70%); }
.section--tight { padding: clamp(48px, 6vw, 80px) 0; }
.section-head { display: grid; grid-template-columns: 1fr auto; align-items: end; gap: 24px 48px; margin-bottom: clamp(40px, 5vw, 64px); }
.section-head h2 { margin: 0; max-width: 22ch; }
.section-head .lead { margin: 16px 0 0; }
.section-head--center { grid-template-columns: 1fr; text-align: center; justify-items: center; }
.section-head--center .eyebrow::before { display: none; }
@media (max-width: 760px) { .section-head { grid-template-columns: 1fr; } }

/* Split */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 6vw, 96px); align-items: center; }
.split--wide-left { grid-template-columns: 1.1fr .9fr; }
@media (max-width: 900px) { .split, .split--wide-left { grid-template-columns: 1fr; } }

.framed { position: relative; }
.framed img { width: 100%; background: #fff; }
.framed::before {
  content: ""; position: absolute; inset: 14px -12px -14px 14px; border: 1px solid var(--line); z-index: -1;
}
.framed__tag {
  position: absolute; right: 0; top: 0; background: var(--ink-950); color: #fff;
  font-family: var(--font-mono); font-size: .7rem; letter-spacing: .12em; text-transform: uppercase; padding: 8px 12px;
}
.framed--border img { border: 1px solid var(--line); }

.checklist { list-style: none; padding: 0; margin: 24px 0 32px; display: grid; gap: 12px; }
.checklist li { position: relative; padding-left: 32px; }
.checklist li::before {
  content: ""; position: absolute; left: 0; top: .35em; width: 18px; height: 18px;
  background: var(--blue-100) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%232c5cc5' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center/12px no-repeat;
}
.on-dark .checklist li::before, .section--dark .checklist li::before { background-color: rgba(61,111,214,.2); }

/* ---------- Cards: strengths ---------- */
.grid { display: grid; gap: 24px; }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
.grid--5 { grid-template-columns: repeat(5, 1fr); }
@media (max-width: 1100px) { .grid--5 { grid-template-columns: repeat(3, 1fr); } .grid--4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 900px) { .grid--3 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .grid--3, .grid--2, .grid--4, .grid--5 { grid-template-columns: 1fr; } }

.strength {
  position: relative; padding: 32px 28px 30px; background: #fff; border: 1px solid var(--line);
  transition: border-color .25s var(--ease), box-shadow .25s var(--ease);
}
.strength:hover { border-color: var(--blue-500); box-shadow: 0 18px 40px -24px rgba(31,74,168,.35); }
.strength__num { position: absolute; top: 24px; right: 24px; font-family: var(--font-mono); font-size: .72rem; color: var(--steel-400); letter-spacing: .1em; }
.strength__icon { width: 48px; height: 48px; display: grid; place-items: center; background: var(--ink-950); color: #fff; margin-bottom: 22px; }
.strength__icon svg { width: 24px; height: 24px; }
.strength h3 { margin-bottom: 10px; }
.strength p { color: var(--steel-600); margin: 0; font-size: .96rem; }
.section--dark .strength { background: rgba(255,255,255,.03); border-color: rgba(255,255,255,.1); }
.section--dark .strength p { color: var(--steel-300); }
.section--dark .strength__icon { background: var(--blue-600); }
.section--dark .strength:hover { border-color: var(--blue-500); box-shadow: none; background: rgba(255,255,255,.05); }

/* ---------- Product cards ---------- */
.products { display: grid; grid-template-columns: repeat(6, 1fr); gap: 24px; }
.products > .pcard { grid-column: span 2; }
.products > .pcard:nth-child(4), .products > .pcard:nth-child(5) { grid-column: span 3; }
@media (max-width: 960px) { .products { grid-template-columns: 1fr 1fr; } .products > .pcard, .products > .pcard:nth-child(n) { grid-column: span 1; } .products > .pcard:last-child:nth-child(odd) { grid-column: span 2; } }
@media (max-width: 640px) { .products { grid-template-columns: 1fr; } .products > .pcard:last-child:nth-child(odd) { grid-column: span 1; } }

.pcard {
  display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line); color: inherit;
  transition: border-color .25s var(--ease), box-shadow .25s var(--ease);
}
.pcard:hover { border-color: var(--ink-900); box-shadow: 0 24px 48px -28px rgba(17,19,21,.35); color: inherit; }
.pcard__media { position: relative; background: #fff; overflow: hidden; border-bottom: 1px solid var(--line-soft); }
.pcard__media img { width: 100%; aspect-ratio: 16/9.5; object-fit: cover; transition: transform .6s var(--ease); }
.pcard:hover .pcard__media img { transform: scale(1.04); }
.pcard__code { position: absolute; top: 14px; left: 14px; font-family: var(--font-mono); font-size: .7rem; letter-spacing: .12em; color: var(--steel-500); background: rgba(255,255,255,.9); padding: 4px 8px; border: 1px solid var(--line); }
.pcard__badge { position: absolute; top: 14px; right: 14px; font-family: var(--font-mono); font-size: .68rem; letter-spacing: .1em; text-transform: uppercase; color: #fff; background: var(--ink-950); padding: 5px 9px; }
.pcard__body { padding: 24px 24px 26px; display: flex; flex-direction: column; flex: 1; }
.pcard__body h3 { font-size: 1.15rem; }
.pcard__body p { color: var(--steel-600); font-size: .94rem; }
.pcard__items { display: flex; flex-wrap: wrap; gap: 6px; list-style: none; padding: 0; margin: 4px 0 20px; }
.pcard__items li { font-size: .78rem; font-weight: 500; color: var(--ink-700); background: var(--paper); border: 1px solid var(--line-soft); padding: 3px 9px; border-radius: 2px; }
.pcard__foot { margin-top: auto; display: flex; justify-content: space-between; align-items: center; padding-top: 16px; border-top: 1px dashed var(--line); font-family: var(--font-display); font-weight: 700; font-size: .9rem; color: var(--ink-900); }
.pcard__foot svg { width: 18px; height: 18px; color: var(--blue-600); transition: transform .2s var(--ease); }
.pcard:hover .pcard__foot svg { transform: translateX(4px); }

/* ---------- Process steps ---------- */
.process { display: grid; grid-template-columns: repeat(5, 1fr); counter-reset: step; position: relative; }
.process::before { content: ""; position: absolute; top: 27px; left: 28px; right: 28px; height: 1px; background: repeating-linear-gradient(90deg, rgba(255,255,255,.3) 0 6px, transparent 6px 12px); }
.step { position: relative; padding-right: 24px; }
.step__num {
  position: relative; width: 56px; height: 56px; display: grid; place-items: center;
  border: 1px solid rgba(255,255,255,.25); background: var(--ink-900); color: var(--signal);
  font-family: var(--font-mono); font-size: .9rem; margin-bottom: 24px;
}
.step h3 { font-size: 1.05rem; }
.step p { font-size: .92rem; color: var(--steel-300); margin: 0; }
.section--paper .process::before, .section:not(.section--dark) .process::before { background: repeating-linear-gradient(90deg, var(--steel-300) 0 6px, transparent 6px 12px); }
.section:not(.section--dark) .step__num { background: #fff; border-color: var(--steel-300); color: var(--blue-600); }
.section:not(.section--dark) .step p { color: var(--steel-600); }
@media (max-width: 960px) {
  .process { grid-template-columns: 1fr; gap: 28px; }
  .process::before { top: 28px; bottom: 28px; left: 27px; right: auto; width: 1px; height: auto; background: repeating-linear-gradient(180deg, rgba(255,255,255,.3) 0 6px, transparent 6px 12px) !important; }
  .section:not(.section--dark) .process::before { background: repeating-linear-gradient(180deg, var(--steel-300) 0 6px, transparent 6px 12px) !important; }
  .step { display: grid; grid-template-columns: 56px 1fr; gap: 0 20px; padding: 0; }
  .step__num { margin: 0; grid-row: span 2; }
}

.process--stack { grid-template-columns: 1fr; gap: 28px; }
.process--stack::before { top: 28px; bottom: 28px; left: 27px; right: auto; width: 1px; height: auto; background: repeating-linear-gradient(180deg, rgba(255,255,255,.3) 0 6px, transparent 6px 12px) !important; }
.process--stack .step { display: grid; grid-template-columns: 56px 1fr; gap: 0 20px; padding: 0; }
.process--stack .step__num { margin: 0; }

/* ---------- Industries ---------- */
.industries { display: grid; grid-template-columns: repeat(5, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.industry {
  position: relative; padding: 28px 22px 26px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line);
  background: #fff; transition: background-color .25s var(--ease);
}
.industry:hover { background: var(--ink-950); }
.industry:hover h3 { color: #fff; }
.industry:hover .industry__icon { color: var(--signal); }
.industry:hover p { color: var(--steel-300); }
.industry__icon { width: 36px; height: 36px; color: var(--blue-600); margin-bottom: 36px; transition: color .25s var(--ease); }
.industry__icon svg { width: 100%; height: 100%; }
.industry h3 { font-size: 1.02rem; margin: 0; transition: color .25s var(--ease); }
.industry p { font-size: .88rem; color: var(--steel-600); margin: 8px 0 0; }
.industry__n { position: absolute; top: 22px; right: 20px; font-family: var(--font-mono); font-size: .7rem; color: var(--steel-400); }
@media (max-width: 1100px) { .industries { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 640px) { .industries { grid-template-columns: repeat(2, 1fr); } .industry__icon { margin-bottom: 24px; } }

/* ---------- Quality band ---------- */
.cert-card {
  position: relative; background: #fff; border: 1px solid var(--line); padding: 36px 32px;
  display: grid; grid-template-columns: auto 1fr; gap: 28px; align-items: start;
}
.cert-seal {
  width: 104px; height: 104px; border-radius: 50%; border: 2px solid var(--blue-600);
  display: grid; place-items: center; text-align: center; color: var(--blue-700);
  font-family: var(--font-display); position: relative;
}
.cert-seal::before { content: ""; position: absolute; inset: 6px; border: 1px dashed var(--blue-500); border-radius: 50%; }
.cert-seal b { display: block; font-size: 1.4rem; font-weight: 800; letter-spacing: .02em; line-height: 1; }
.cert-seal small { display: block; font-family: var(--font-mono); font-size: .66rem; letter-spacing: .1em; margin-top: 4px; }
.cert-card h3 { font-size: 1.3rem; margin-bottom: 6px; }
.spec { list-style: none; margin: 16px 0 0; padding: 0; border-top: 1px solid var(--line); }
.spec li { display: grid; grid-template-columns: minmax(110px, 38%) 1fr; gap: 16px; padding: 11px 0; border-bottom: 1px solid var(--line-soft); font-size: .93rem; }
.spec li > span:first-child { font-family: var(--font-mono); font-size: .74rem; letter-spacing: .08em; text-transform: uppercase; color: var(--steel-500); padding-top: 3px; }
.spec li > span:last-child { color: var(--ink-800); font-weight: 500; }
@media (max-width: 560px) {
  .cert-card { grid-template-columns: 1fr; padding: 28px 22px; }
  .spec li { grid-template-columns: 1fr; gap: 2px; }
}

/* ---------- Customers ---------- */
.clients { display: grid; grid-template-columns: repeat(5, 1fr); border-top: 1px solid rgba(255,255,255,.12); border-left: 1px solid rgba(255,255,255,.12); }
.client { padding: 26px 22px; border-right: 1px solid rgba(255,255,255,.12); border-bottom: 1px solid rgba(255,255,255,.12); min-height: 116px; display: flex; flex-direction: column; justify-content: space-between; gap: 12px; }
.client b { font-family: var(--font-display); color: #fff; font-size: 1.02rem; font-weight: 700; line-height: 1.3; }
.client span { font-family: var(--font-mono); font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; color: var(--steel-400); }
@media (max-width: 1100px) { .clients { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 760px) { .clients { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .clients { grid-template-columns: 1fr; } }

.clients--light { border-color: var(--line); }
.clients--light .client { border-color: var(--line); background: #fff; }
.clients--light .client b { color: var(--ink-950); }
.clients--light .client span { color: var(--steel-500); }

/* ---------- CTA band ---------- */
.cta-band { position: relative; background: var(--blue-600); color: #fff; overflow: hidden; }
.cta-band::after {
  content: ""; position: absolute; right: -80px; top: 50%; width: 520px; height: 520px; transform: translateY(-50%);
  border-radius: 50%; border: 1px solid rgba(255,255,255,.18);
  box-shadow: 0 0 0 60px rgba(255,255,255,.04), 0 0 0 120px rgba(255,255,255,.03), inset 0 0 0 60px rgba(255,255,255,.04);
  pointer-events: none;
}
.cta-band .container { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr auto; gap: 32px; align-items: center; padding-top: clamp(56px, 7vw, 88px); padding-bottom: clamp(56px, 7vw, 88px); }
.cta-band h2 { color: #fff; margin: 0 0 10px; max-width: 24ch; }
.cta-band p { color: rgba(255,255,255,.85); margin: 0; max-width: 58ch; }
.cta-band .btn { --bg: #fff; --fg: var(--ink-950); --bd: #fff; }
.cta-band .btn:hover { --bg: var(--ink-950); --bd: var(--ink-950); color: #fff; }
.cta-band .btn--ghost { --bg: transparent; --fg: #fff; --bd: rgba(255,255,255,.5); }
@media (max-width: 860px) { .cta-band .container { grid-template-columns: 1fr; } }

/* ---------- Leadership ---------- */
.leader { display: grid; grid-template-columns: 220px 1fr; background: #fff; border: 1px solid var(--line); }
.leader img { width: 100%; height: 100%; object-fit: cover; min-height: 220px; }
.leader__body { padding: 28px 28px 26px; }
.leader__role { font-family: var(--font-mono); font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; color: var(--blue-600); }
.leader h3 { margin: 8px 0 12px; font-size: 1.3rem; }
.leader p { color: var(--steel-600); font-size: .95rem; margin: 0; }
@media (max-width: 1000px) { .leader { grid-template-columns: 1fr; } .leader img { aspect-ratio: 3/2; min-height: 0; } }

/* ---------- Timeline ---------- */
.timeline { list-style: none; padding: 0; margin: 0; position: relative; }
.timeline::before { content: ""; position: absolute; left: 88px; top: 8px; bottom: 8px; width: 1px; background: var(--line); }
.timeline li { display: grid; grid-template-columns: 88px 1fr; gap: 36px; padding: 0 0 36px; position: relative; }
.timeline li::after { content: ""; position: absolute; left: 84px; top: 8px; width: 9px; height: 9px; background: var(--blue-600); }
.timeline time { font-family: var(--font-mono); font-weight: 500; color: var(--ink-950); font-size: 1rem; }
.timeline h3 { font-size: 1.08rem; margin-bottom: 6px; }
.timeline p { color: var(--steel-600); margin: 0; font-size: .95rem; }

/* ---------- Capability cards ---------- */
.cap { display: grid; grid-template-columns: 1fr; background: #fff; border: 1px solid var(--line); }
.cap__media img { width: 100%; aspect-ratio: 16/9; object-fit: cover; border-bottom: 1px solid var(--line-soft); }
.cap__body { padding: 26px 26px 28px; }
.cap__body h3 { margin-bottom: 10px; }
.cap__body p { color: var(--steel-600); font-size: .95rem; }
.cap__meta { margin: 16px 0 0; padding: 14px 0 0; border-top: 1px dashed var(--line); font-size: .88rem; color: var(--steel-600); }
.cap__meta b { font-family: var(--font-mono); font-weight: 500; font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--steel-500); display: block; margin-bottom: 2px; }

/* Infrastructure table */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); background: #fff; }
table.data { width: 100%; border-collapse: collapse; font-size: .92rem; min-width: 760px; }
table.data th { text-align: left; font-family: var(--font-mono); font-weight: 500; font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--steel-500); background: var(--paper); padding: 14px 16px; border-bottom: 1px solid var(--line); }
table.data td { padding: 14px 16px; border-bottom: 1px solid var(--line-soft); }
.notice {
  display: grid; grid-template-columns: auto 1fr auto; gap: 20px; align-items: center;
  padding: 28px; border: 1px dashed var(--steel-300); background: #fff;
}
.notice svg { width: 32px; height: 32px; color: var(--blue-600); }
.notice h3 { margin: 0 0 4px; font-size: 1.05rem; }
.notice p { margin: 0; color: var(--steel-600); font-size: .94rem; }
@media (max-width: 700px) { .notice { grid-template-columns: 1fr; } }

/* ---------- Product detail ---------- */
.pd { display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(32px, 5vw, 72px); align-items: start; }
@media (max-width: 960px) { .pd { grid-template-columns: 1fr; } }
.pd-gallery__main { background: #fff; border: 1px solid var(--line); }
.pd-gallery__main img { width: 100%; aspect-ratio: 4/2.6; object-fit: contain; background: #fff; }
.pd-gallery__thumbs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-top: 10px; }
.pd-gallery__thumbs button { padding: 0; border: 1px solid var(--line); background: #fff; cursor: pointer; transition: border-color .2s; }
.pd-gallery__thumbs button[aria-pressed="true"], .pd-gallery__thumbs button:hover { border-color: var(--blue-600); }
.pd-gallery__thumbs img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.pd-caption { font-size: .8rem; color: var(--steel-500); margin-top: 10px; font-family: var(--font-mono); letter-spacing: .02em; }
.pd-items { list-style: none; padding: 0; margin: 0 0 28px; display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--line); }
.pd-items li { padding: 12px 0; border-bottom: 1px solid var(--line-soft); font-weight: 600; font-family: var(--font-display); color: var(--ink-900); display: flex; gap: 10px; align-items: center; }
.pd-items li::before { content: ""; width: 6px; height: 6px; background: var(--blue-600); flex-shrink: 0; }
.pd-aside { position: sticky; top: calc(var(--header-h) + 24px); }
.pd-block { padding: 28px 0; border-top: 1px solid var(--line); }
.pd-block h2 { font-size: 1.35rem; }
.spec-note { background: var(--paper); border-left: 3px solid var(--blue-600); padding: 18px 20px; font-size: .94rem; color: var(--steel-600); }

/* ---------- Gallery ---------- */
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 32px; }
.filter {
  font-family: var(--font-display); font-weight: 600; font-size: .88rem; padding: 9px 16px; min-height: 40px;
  border: 1px solid var(--line); background: #fff; color: var(--steel-600); cursor: pointer; border-radius: 2px;
  transition: all .2s var(--ease);
}
.filter:hover { border-color: var(--ink-900); color: var(--ink-900); }
.filter[aria-pressed="true"] { background: var(--ink-950); border-color: var(--ink-950); color: #fff; }
.gallery { columns: 3 320px; column-gap: 20px; }
.gallery__item { break-inside: avoid; margin: 0 0 20px; background: #fff; border: 1px solid var(--line); cursor: zoom-in; position: relative; display: block; width: 100%; padding: 0; text-align: left; font: inherit; }
.gallery__item img { width: 100%; }
.gallery__item figcaption { padding: 12px 14px; font-size: .86rem; color: var(--steel-600); border-top: 1px solid var(--line-soft); display: flex; justify-content: space-between; gap: 12px; }
.gallery__item figcaption span:last-child { font-family: var(--font-mono); font-size: .7rem; letter-spacing: .08em; text-transform: uppercase; color: var(--steel-400); white-space: nowrap; }
.gallery__item[hidden] { display: none; }

.lightbox { position: fixed; inset: 0; z-index: 300; background: rgba(10,11,12,.94); display: none; align-items: center; justify-content: center; padding: 64px 16px; }
.lightbox.is-open { display: flex; }
.lightbox img { max-height: 82vh; width: auto; max-width: min(1200px, 100%); background: #fff; }
.lightbox__cap { position: absolute; bottom: 20px; left: 0; right: 0; text-align: center; color: var(--steel-300); font-size: .9rem; padding: 0 16px; }
.lightbox__btn { position: absolute; width: 48px; height: 48px; border: 1px solid rgba(255,255,255,.25); color: #fff; background: rgba(0,0,0,.4); cursor: pointer; display: grid; place-items: center; }
.lightbox__btn:hover { border-color: #fff; }
.lightbox__btn svg { width: 22px; height: 22px; }
.lightbox__close { top: 16px; right: 16px; }
.lightbox__prev { left: 16px; top: 50%; transform: translateY(-50%); }
.lightbox__next { right: 16px; top: 50%; transform: translateY(-50%); }

/* ---------- Contact / forms ---------- */
.contact-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: clamp(32px, 5vw, 72px); align-items: start; }
@media (max-width: 960px) { .contact-grid { grid-template-columns: 1fr; } }
.info-list { list-style: none; padding: 0; margin: 0 0 32px; }
.info-list li { display: grid; grid-template-columns: 44px 1fr; gap: 16px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.info-list .ico { width: 44px; height: 44px; display: grid; place-items: center; background: var(--ink-950); color: #fff; }
.info-list .ico svg { width: 20px; height: 20px; }
.info-list b { display: block; font-family: var(--font-mono); font-weight: 500; font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--steel-500); margin-bottom: 2px; }
.info-list address { font-style: normal; }
.info-list a { color: var(--ink-900); font-weight: 600; }
.info-list a:hover { color: var(--blue-600); }
.map { border: 1px solid var(--line); background: var(--paper); aspect-ratio: 4/3; }
.map iframe { width: 100%; height: 100%; border: 0; display: block; filter: grayscale(.35); }

.form-card { background: #fff; border: 1px solid var(--line); padding: clamp(24px, 4vw, 44px); box-shadow: 0 30px 60px -40px rgba(17,19,21,.35); }
.form-card h2 { font-size: 1.7rem; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px 20px; }
.form-grid .full { grid-column: 1 / -1; }
@media (max-width: 600px) { .form-grid { grid-template-columns: 1fr; } }
.field label { display: block; font-family: var(--font-display); font-weight: 600; font-size: .88rem; color: var(--ink-900); margin-bottom: 7px; }
.field label .req { color: #b42318; }
.field input, .field select, .field textarea {
  width: 100%; font: inherit; font-size: 1rem; color: var(--ink-900);
  padding: 12px 14px; min-height: 48px; background: var(--paper); border: 1px solid var(--line); border-radius: 2px;
  transition: border-color .2s, background-color .2s, box-shadow .2s;
}
.field textarea { min-height: 128px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--blue-600); background: #fff; box-shadow: 0 0 0 3px rgba(61,111,214,.18); }
.field .hint { font-size: .8rem; color: var(--steel-500); margin-top: 6px; }
.field.has-error input, .field.has-error textarea, .field.has-error select { border-color: #b42318; }
.field .err { display: none; color: #b42318; font-size: .82rem; margin-top: 6px; }
.field.has-error .err { display: block; }
.dropzone {
  position: relative; display: grid; grid-template-columns: auto 1fr; gap: 16px; align-items: center;
  border: 1.5px dashed var(--steel-300); background: var(--paper); padding: 20px; cursor: pointer; transition: border-color .2s, background-color .2s;
}
.dropzone:hover, .dropzone.is-drag { border-color: var(--blue-600); background: var(--blue-100); }
.dropzone svg { width: 32px; height: 32px; color: var(--blue-600); }
.dropzone input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.dropzone strong { font-family: var(--font-display); color: var(--ink-900); display: block; }
.dropzone span { font-size: .84rem; color: var(--steel-500); }
.file-list { list-style: none; padding: 0; margin: 10px 0 0; font-size: .86rem; font-family: var(--font-mono); color: var(--ink-700); }
.hp { position: absolute !important; left: -9999px !important; height: 0; overflow: hidden; }
.form-status { display: none; margin-top: 18px; padding: 14px 16px; font-size: .94rem; border-left: 3px solid; }
.form-status.is-ok { display: block; background: #ecfdf3; border-color: #067647; color: #054f31; }
.form-status.is-err { display: block; background: #fef3f2; border-color: #b42318; color: #7a271a; }
.consent { font-size: .82rem; color: var(--steel-500); margin: 16px 0 0; }

/* ---------- Footer ---------- */
.site-footer { background: var(--ink-950); color: var(--steel-400); font-size: .93rem; }
.footer__top { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.3fr; gap: 40px; padding: clamp(56px, 7vw, 88px) 0 48px; }
.site-footer h4 { font-family: var(--font-mono); font-weight: 500; font-size: .74rem; letter-spacing: .14em; text-transform: uppercase; color: #fff; margin-bottom: 20px; }
.site-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.site-footer a { color: var(--steel-300); }
.site-footer a:hover { color: #fff; }
.site-footer address { font-style: normal; line-height: 1.8; }
.footer__about p { max-width: 36ch; margin-top: 20px; }
.footer__bottom { border-top: 1px solid rgba(255,255,255,.08); padding: 22px 0; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; font-size: .82rem; font-family: var(--font-mono); }
.footer__iso { display: inline-flex; align-items: center; gap: 10px; margin-top: 24px; padding: 8px 12px; border: 1px solid rgba(255,255,255,.14); font-family: var(--font-mono); font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--steel-300); }
.footer__iso::before { content: ""; width: 8px; height: 8px; background: var(--signal); }
@media (max-width: 960px) { .footer__top { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .footer__top { grid-template-columns: 1fr; } }

/* Mobile sticky action bar */
.mbar { display: none; }
@media (max-width: 720px) {
  .mbar { display: grid; grid-template-columns: 1fr 1fr 1.3fr; position: fixed; left: 0; right: 0; bottom: 0; z-index: 90; background: var(--ink-950); border-top: 1px solid rgba(255,255,255,.1); padding-bottom: env(safe-area-inset-bottom); }
  .mbar a { display: flex; align-items: center; justify-content: center; gap: 8px; min-height: 56px; color: #fff; font-family: var(--font-display); font-weight: 700; font-size: .88rem; }
  .mbar a + a { border-left: 1px solid rgba(255,255,255,.1); }
  .mbar a:last-child { background: var(--blue-600); }
  .mbar svg { width: 18px; height: 18px; }
  body { padding-bottom: 56px; }
}

/* ---------- Reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }
.no-js .reveal { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
  .draw { stroke-dashoffset: 0; }
  .fade-in { opacity: 1; }
  .scanline { display: none; }
}

/* 404 */
.nf { min-height: 70vh; display: grid; place-items: center; text-align: center; }
.nf__code { font-family: var(--font-mono); font-size: clamp(4rem, 14vw, 9rem); color: var(--blue-500); line-height: 1; margin-bottom: 16px; }

@media print {
  .site-header, .topbar, .mbar, .cta-band, .nav-toggle { display: none !important; }
  .page-hero, .hero, .section--dark { background: #fff !important; color: #000 !important; }
  .page-hero h1, .hero h1 { color: #000 !important; }
}