/* =========================================================================
   MCSI USA — Design System
   Prototype stylesheet (vanilla CSS, no build step).
   Token-driven so it can be ported into the EXPS WebSiteBuilder later.
   ========================================================================= */

/* -------------------------------------------------------------- 1. Tokens */
:root {
  /* Brand — deep industrial navy + aluminium greys + brass accent */
  --ink-900: #08111C;
  --ink-800: #0C1A2B;
  --ink-700: #13293F;
  --ink-600: #1D3A56;

  --steel-600: #33485F;
  --steel-500: #55697F;
  --steel-400: #8394A6;
  --steel-300: #AFBCC9;

  --mist-200: #DCE3EA;
  --mist-100: #EBF0F5;
  --paper-soft: #F6F8FA;
  --paper: #FFFFFF;

  --brass-700: #9C6B18;
  --brass-600: #B98526;
  --brass-500: #D8A03D;
  --brass-400: #E8BC6C;
  --brass-100: #FBF3E3;

  --alu-light: #F2F5F8;
  --alu-mid: #C6CFD8;
  --alu-dark: #8D9AA8;

  --ok-500: #2E8B6B;
  --warn-500: #C2410C;

  /* Typography */
  --font-display: "Sora", "Segoe UI Semibold", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-body: "Inter", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "IBM Plex Mono", "Cascadia Mono", Consolas, "SF Mono", monospace;

  --fs-xs: 0.75rem;
  --fs-sm: 0.875rem;
  --fs-base: 1rem;
  --fs-md: 1.0625rem;
  --fs-lg: clamp(1.125rem, 0.4vw + 1.02rem, 1.3rem);
  --fs-h4: clamp(1.15rem, 0.5vw + 1rem, 1.375rem);
  --fs-h3: clamp(1.375rem, 0.9vw + 1.15rem, 1.75rem);
  --fs-h2: clamp(1.75rem, 2vw + 1.15rem, 2.85rem);
  --fs-h1: clamp(2.25rem, 3.6vw + 1.2rem, 4.25rem);

  /* Space + shape */
  --gap-xs: 0.5rem;
  --gap-sm: 0.875rem;
  --gap-md: 1.5rem;
  --gap-lg: 2.5rem;
  --gap-xl: 4rem;
  --section-y: clamp(4rem, 7vw, 7.5rem);
  --container: 1240px;
  --container-narrow: 880px;

  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 18px;
  --r-pill: 999px;

  --sh-sm: 0 1px 2px rgba(8, 17, 28, .06), 0 2px 6px rgba(8, 17, 28, .05);
  --sh-md: 0 8px 24px rgba(8, 17, 28, .08), 0 2px 6px rgba(8, 17, 28, .04);
  --sh-lg: 0 24px 60px rgba(8, 17, 28, .14), 0 6px 16px rgba(8, 17, 28, .06);

  --ease: cubic-bezier(.22, .61, .36, 1);
  --header-h: 76px;
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 1rem);
}

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

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

h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  color: var(--ink-900);
  line-height: 1.14;
  letter-spacing: -0.02em;
  margin: 0 0 .6em;
  font-weight: 600;
}
h1 { font-size: var(--fs-h1); letter-spacing: -0.033em; }
h2 { font-size: var(--fs-h2); letter-spacing: -0.028em; }
h3 { font-size: var(--fs-h3); }
h4 { font-size: var(--fs-h4); }

p { margin: 0 0 1.1em; }
p:last-child { margin-bottom: 0; }

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

ul, ol { margin: 0 0 1.1em; padding-left: 1.15em; }
li { margin-bottom: .4em; }

button, input, select, textarea { font: inherit; color: inherit; }

hr { border: 0; border-top: 1px solid var(--mist-200); margin: var(--gap-lg) 0; }

::selection { background: var(--brass-400); color: var(--ink-900); }

:focus-visible {
  outline: 3px solid var(--brass-500);
  outline-offset: 3px;
  border-radius: 3px;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -100px;
  z-index: 200;
  background: var(--ink-900);
  color: #fff;
  padding: .75rem 1.25rem;
  border-radius: var(--r-sm);
  transition: top .2s var(--ease);
}
.skip-link:focus { top: 1rem; }

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap; border: 0;
}

/* -------------------------------------------------------------- 3. Layout */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(1.15rem, 4vw, 2.5rem);
}
.container--narrow { max-width: var(--container-narrow); }

.section { padding-block: var(--section-y); }
.section--tight { padding-block: clamp(2.75rem, 4.5vw, 4.5rem); }
.section--soft { background: var(--paper-soft); }
.section--mist { background: linear-gradient(180deg, var(--paper) 0%, var(--paper-soft) 100%); }
.section--dark {
  background: var(--ink-900);
  color: var(--mist-200);
}
.section--dark h1, .section--dark h2, .section--dark h3, .section--dark h4 { color: #fff; }

.grid { display: grid; gap: var(--gap-md); }
.grid--2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid--3 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid--4 { grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }

.split {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}
.split--top { align-items: start; }

.stack > * + * { margin-top: var(--gap-md); }

/* ---------------------------------------------------------- 4. Type bits */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  font-family: var(--font-body);
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--brass-600);
  margin: 0 0 1rem;
}
.eyebrow::before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--brass-500);
}
.section--dark .eyebrow { color: var(--brass-400); }

.lead {
  font-size: var(--fs-lg);
  line-height: 1.6;
  color: var(--steel-600);
}
.section--dark .lead { color: var(--steel-300); }

.muted { color: var(--steel-500); }
.small { font-size: var(--fs-sm); }

.section-head { max-width: 720px; margin-bottom: clamp(2rem, 4vw, 3.25rem); }
.section-head--center { margin-inline: auto; text-align: center; }
.section-head--center .eyebrow { justify-content: center; }

.balance { text-wrap: balance; }

/* ------------------------------------------------------------ 5. Buttons */
.btn {
  --btn-bg: var(--ink-900);
  --btn-fg: #fff;
  --btn-bd: var(--ink-900);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .6rem;
  padding: .85rem 1.6rem;
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  font-weight: 600;
  letter-spacing: .02em;
  background: var(--btn-bg);
  color: var(--btn-fg);
  border: 1.5px solid var(--btn-bd);
  border-radius: var(--r-pill);
  cursor: pointer;
  transition: transform .18s var(--ease), background .18s var(--ease),
              color .18s var(--ease), border-color .18s var(--ease), box-shadow .18s var(--ease);
  text-align: center;
}
.btn:hover { transform: translateY(-2px); box-shadow: var(--sh-md); }
.btn:active { transform: translateY(0); }
.btn .ico { width: 1.05em; height: 1.05em; flex: none; }

.btn--accent { --btn-bg: var(--brass-500); --btn-bd: var(--brass-500); --btn-fg: var(--ink-900); }
.btn--accent:hover { --btn-bg: var(--brass-400); --btn-bd: var(--brass-400); }

.btn--ghost { --btn-bg: transparent; --btn-fg: var(--ink-900); --btn-bd: var(--mist-200); }
.btn--ghost:hover { --btn-bd: var(--ink-900); }

.btn--light { --btn-bg: #fff; --btn-fg: var(--ink-900); --btn-bd: #fff; }

.btn--outline-light { --btn-bg: transparent; --btn-fg: #fff; --btn-bd: rgba(255,255,255,.35); }
.btn--outline-light:hover { --btn-bd: #fff; }

.btn--lg { padding: 1.05rem 2.1rem; font-size: var(--fs-base); }
.btn--sm { padding: .6rem 1.15rem; font-size: var(--fs-xs); }
.btn--block { width: 100%; }
.btn[disabled] { opacity: .45; pointer-events: none; }

.btn-row { display: flex; flex-wrap: wrap; gap: .85rem; }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-weight: 600;
  font-size: var(--fs-sm);
  color: var(--ink-900);
  border-bottom: 1.5px solid var(--brass-500);
  padding-bottom: 2px;
  transition: gap .2s var(--ease), color .2s var(--ease);
}
.link-arrow:hover { gap: .85rem; color: var(--brass-700); }
.section--dark .link-arrow { color: #fff; }

/* ------------------------------------------------------------- 6. Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 90;
  background: rgba(255, 255, 255, .88);
  backdrop-filter: saturate(150%) blur(14px);
  -webkit-backdrop-filter: saturate(150%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .25s var(--ease), box-shadow .25s var(--ease);
}
.site-header.is-stuck {
  border-bottom-color: var(--mist-200);
  box-shadow: 0 6px 24px rgba(8, 17, 28, .06);
}

.topbar {
  background: var(--ink-900);
  color: var(--steel-300);
  font-size: var(--fs-xs);
  letter-spacing: .03em;
}
.topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--gap-md);
  min-height: 38px;
  flex-wrap: wrap;
}
.topbar a:hover { color: #fff; }
.topbar__meta { display: flex; gap: 1.5rem; align-items: center; }
@media (max-width: 700px) { .topbar__meta { display: none; } }

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--gap-md);
  min-height: var(--header-h);
}

.brand { display: flex; align-items: center; gap: .7rem; flex: none; }
.brand__mark { width: 40px; height: 40px; flex: none; }
.brand__text { display: flex; flex-direction: column; line-height: 1.05; }
.brand__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.24rem;
  letter-spacing: -0.01em;
  color: var(--ink-900);
}
.brand__tag {
  font-size: 9.5px;
  letter-spacing: .19em;
  text-transform: uppercase;
  color: var(--steel-400);
  font-weight: 600;
}

.nav__menu {
  display: flex;
  align-items: center;
  gap: .35rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav__link {
  display: block;
  padding: .55rem .85rem;
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--steel-600);
  border-radius: var(--r-sm);
  position: relative;
  transition: color .18s var(--ease), background .18s var(--ease);
}
.nav__link:hover { color: var(--ink-900); background: var(--mist-100); }
.nav__link[aria-current="page"] { color: var(--ink-900); font-weight: 600; }
.nav__link[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: .85rem; right: .85rem; bottom: .1rem;
  height: 2px;
  background: var(--brass-500);
  border-radius: 2px;
}

.nav__actions { display: flex; align-items: center; gap: .6rem; flex: none; }

.nav__toggle {
  display: none;
  width: 44px; height: 44px;
  align-items: center; justify-content: center;
  background: transparent;
  border: 1.5px solid var(--mist-200);
  border-radius: var(--r-sm);
  cursor: pointer;
}
.nav__toggle span {
  position: relative;
  display: block;
  width: 20px; height: 2px;
  background: var(--ink-900);
  transition: background .2s var(--ease);
}
.nav__toggle span::before,
.nav__toggle span::after {
  content: "";
  position: absolute;
  left: 0;
  width: 20px; height: 2px;
  background: var(--ink-900);
  transition: transform .25s var(--ease);
}
.nav__toggle span::before { top: -6px; }
.nav__toggle span::after { top: 6px; }
.nav__toggle[aria-expanded="true"] span { background: transparent; }
.nav__toggle[aria-expanded="true"] span::before { transform: translateY(6px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span::after { transform: translateY(-6px) rotate(-45deg); }

@media (max-width: 1040px) {
  .nav__toggle { display: inline-flex; }
  .nav__menu {
    position: fixed;
    inset: 0 0 0 auto;
    width: min(360px, 86vw);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: #fff;
    padding: calc(var(--header-h) + 2rem) 1.5rem 2rem;
    box-shadow: var(--sh-lg);
    transform: translateX(105%);
    transition: transform .32s var(--ease);
    overflow-y: auto;
    z-index: 95;
  }
  .nav__menu.is-open { transform: translateX(0); }
  .nav__link {
    padding: .95rem .4rem;
    font-size: 1.05rem;
    border-bottom: 1px solid var(--mist-100);
    border-radius: 0;
  }
  .nav__link[aria-current="page"]::after { display: none; }
  .nav__link[aria-current="page"] { color: var(--brass-700); }
  .nav__menu .btn { margin-top: 1.25rem; }
  .nav__actions .btn--desktop { display: none; }
  .nav-scrim {
    position: fixed;
    inset: 0;
    background: rgba(8, 17, 28, .45);
    opacity: 0;
    pointer-events: none;
    transition: opacity .3s var(--ease);
    z-index: 94;
  }
  .nav-scrim.is-open { opacity: 1; pointer-events: auto; }
}
@media (min-width: 1041px) {
  .nav__menu .btn { display: none; }
  .nav-scrim { display: none; }
}

/* ---------------------------------------------------------------- 7. Hero */
.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(120% 120% at 85% 10%, rgba(216, 160, 61, .16) 0%, transparent 55%),
    radial-gradient(90% 90% at 10% 90%, rgba(29, 58, 86, .55) 0%, transparent 60%),
    linear-gradient(160deg, var(--ink-900) 0%, var(--ink-800) 55%, #0A1B2E 100%);
  color: var(--mist-200);
  padding-block: clamp(3.5rem, 8vw, 7rem);
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(80% 70% at 50% 40%, #000 0%, transparent 100%);
  -webkit-mask-image: radial-gradient(80% 70% at 50% 40%, #000 0%, transparent 100%);
  pointer-events: none;
}
.hero > .container { position: relative; z-index: 1; }
.hero h1 { color: #fff; }
.hero__grid {
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  gap: clamp(2rem, 4vw, 4rem);
  align-items: center;
}
@media (max-width: 940px) {
  .hero__grid { grid-template-columns: 1fr; }
  .hero__visual { order: -1; }
}
.hero__copy { max-width: 640px; }
.hero__copy .lead { color: rgba(220, 227, 234, .84); max-width: 54ch; }
.hero .btn-row { margin-top: 2rem; }

.hero__visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 320px;
}
.hero__visual svg { filter: drop-shadow(0 30px 50px rgba(0, 0, 0, .45)); }
.hero__spin {
  position: absolute;
  width: min(430px, 84%);
  aspect-ratio: 1;
  border: 1px dashed rgba(216, 160, 61, .32);
  border-radius: 50%;
  animation: spin 46s linear infinite;
}
.hero__spin::before {
  content: "";
  position: absolute;
  top: -5px; left: 50%;
  width: 9px; height: 9px;
  background: var(--brass-500);
  border-radius: 50%;
  transform: translateX(-50%);
}
@keyframes spin { to { transform: rotate(360deg); } }

.hero__stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--gap-md);
  margin-top: clamp(2.5rem, 5vw, 4rem);
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, .12);
}
.hero__stats .stat__value { color: #fff; }
.hero__stats .stat__label { color: var(--steel-400); }

.stat__value {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 2.6vw, 2.6rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  color: var(--ink-900);
  line-height: 1.05;
  display: flex;
  align-items: baseline;
  gap: .1rem;
}
.stat__label {
  font-size: var(--fs-xs);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--steel-500);
  font-weight: 600;
  margin-top: .5rem;
}

/* --------------------------------------------------------- 8. Page header */
.page-hero {
  background:
    radial-gradient(100% 140% at 90% 0%, rgba(216, 160, 61, .14) 0%, transparent 60%),
    linear-gradient(150deg, var(--ink-900) 0%, var(--ink-800) 100%);
  color: var(--mist-200);
  padding-block: clamp(3rem, 6vw, 5.5rem);
}
.page-hero h1 { color: #fff; max-width: 18ch; }
.page-hero .lead { color: rgba(220, 227, 234, .82); max-width: 62ch; }

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  list-style: none;
  padding: 0;
  margin: 0 0 1.5rem;
  font-size: var(--fs-xs);
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--steel-400);
}
.breadcrumb li + li::before { content: "/"; margin-right: .5rem; color: var(--steel-600); }
.breadcrumb a:hover { color: var(--brass-400); }

/* --------------------------------------------------------------- 9. Cards */
.card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--mist-200);
  border-radius: var(--r-lg);
  padding: clamp(1.4rem, 2.2vw, 2rem);
  transition: transform .28s var(--ease), box-shadow .28s var(--ease), border-color .28s var(--ease);
  height: 100%;
}
.card--link:hover {
  transform: translateY(-4px);
  box-shadow: var(--sh-md);
  border-color: var(--steel-300);
}
.card h3 { margin-bottom: .5rem; }
.card p { color: var(--steel-500); font-size: var(--fs-base); }
.card__foot { margin-top: auto; padding-top: 1.25rem; }

.card__icon {
  width: 52px; height: 52px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: var(--brass-100);
  color: var(--brass-700);
  margin-bottom: 1.15rem;
}
.card__icon svg { width: 26px; height: 26px; }

.card__num {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--brass-600);
  letter-spacing: .12em;
  margin-bottom: .9rem;
  display: block;
}

.card--dark {
  background: var(--ink-800);
  border-color: rgba(255, 255, 255, .09);
  color: var(--steel-300);
}
.card--dark h3 { color: #fff; }
.card--dark p { color: var(--steel-300); }

.card--flat { background: var(--paper-soft); border-color: transparent; }

/* Product card with rendered closure visual */
.product-card {
  overflow: hidden;
  padding: 0;
}
.product-card__visual {
  position: relative;
  aspect-ratio: 4 / 3;
  display: grid;
  place-items: center;
  background:
    radial-gradient(70% 70% at 50% 35%, #fff 0%, var(--mist-100) 70%, var(--mist-200) 100%);
  border-bottom: 1px solid var(--mist-200);
  padding: 1.5rem;
}
.product-card__visual svg { max-height: 100%; width: auto; }
.product-card__body { padding: clamp(1.25rem, 2vw, 1.75rem); display: flex; flex-direction: column; flex: 1; }
.product-card__body h3 { font-size: var(--fs-h4); }
.product-card__specs {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0;
  font-size: var(--fs-sm);
  color: var(--steel-500);
  border-top: 1px solid var(--mist-100);
  padding-top: .9rem;
}
.product-card__specs li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin: 0;
  padding: .3rem 0;
}
.product-card__specs b { color: var(--ink-700); font-weight: 600; }

.tag {
  display: inline-block;
  padding: .3rem .7rem;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  border-radius: var(--r-pill);
  background: var(--mist-100);
  color: var(--steel-600);
}
.tag--accent { background: var(--brass-100); color: var(--brass-700); }
.tag--dark { background: rgba(255,255,255,.1); color: var(--mist-200); }
.tag-row { display: flex; flex-wrap: wrap; gap: .4rem; }

/* ------------------------------------------------------------- 10. Media */
.media {
  position: relative;
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--mist-100);
  box-shadow: var(--sh-md);
}
.media img { width: 100%; }
.media--tall { aspect-ratio: 3 / 4; }
.media--wide { aspect-ratio: 16 / 10; }
.media img { height: 100%; object-fit: cover; }

.media__badge {
  position: absolute;
  left: .85rem; bottom: .85rem;
  font-size: 10px;
  letter-spacing: .12em;
  text-transform: uppercase;
  font-weight: 700;
  background: rgba(8, 17, 28, .72);
  color: #fff;
  padding: .32rem .6rem;
  border-radius: var(--r-sm);
  backdrop-filter: blur(4px);
}

.media-stack {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gap-md);
}
.media-stack .media:first-child { grid-row: span 2; }

.badge-float {
  position: absolute;
  right: -12px; bottom: 28px;
  background: #fff;
  border-radius: var(--r-md);
  box-shadow: var(--sh-lg);
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  gap: .85rem;
  max-width: 260px;
}
.badge-float__val {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--ink-900);
  line-height: 1;
}
.badge-float__txt { font-size: var(--fs-xs); color: var(--steel-500); line-height: 1.35; }

/* --------------------------------------------------------- 11. Feature list */
.feature-list { list-style: none; padding: 0; margin: 0; }
.feature-list li {
  position: relative;
  padding-left: 2.1rem;
  margin-bottom: .95rem;
  color: var(--steel-600);
}
.feature-list li::before {
  content: "";
  position: absolute;
  left: 0; top: .42em;
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--brass-100) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23B98526' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center / 12px no-repeat;
}
.section--dark .feature-list li { color: var(--steel-300); }
.section--dark .feature-list li::before { background-color: rgba(216, 160, 61, .18); }

.check-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: .25rem 2rem;
}

/* ------------------------------------------------------------ 12. Process */
.process { counter-reset: step; display: grid; gap: 0; }
.process__item {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: clamp(1rem, 3vw, 2.5rem);
  padding: clamp(1.5rem, 3vw, 2.25rem) 0;
  border-top: 1px solid var(--mist-200);
  align-items: start;
}
.process__item:last-child { border-bottom: 1px solid var(--mist-200); }
.process__num {
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  color: var(--brass-600);
  letter-spacing: .1em;
  padding-top: .35rem;
}
.process__item h3 { font-size: var(--fs-h4); margin-bottom: .35rem; }
.process__item p { color: var(--steel-500); margin: 0; max-width: 68ch; }
@media (max-width: 640px) { .process__item { grid-template-columns: 1fr; gap: .35rem; } }

/* ------------------------------------------------------------- 13. Logos */
.logo-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: clamp(1.5rem, 5vw, 3.5rem);
}
.logo-strip__item {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--steel-400);
  opacity: .78;
  transition: opacity .2s var(--ease), color .2s var(--ease);
  border: 1px dashed var(--mist-200);
  padding: .5rem 1.1rem;
  border-radius: var(--r-sm);
}
.logo-strip__item:hover { opacity: 1; color: var(--ink-700); }

/* ---------------------------------------------------------- 14. Accordion */
.accordion { border-top: 1px solid var(--mist-200); }
.accordion__item { border-bottom: 1px solid var(--mist-200); }
.accordion__btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  width: 100%;
  padding: 1.35rem 0;
  background: none;
  border: 0;
  text-align: left;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: var(--fs-h4);
  font-weight: 600;
  color: var(--ink-900);
  letter-spacing: -0.015em;
}
.accordion__btn:hover { color: var(--brass-700); }
.accordion__icon {
  flex: none;
  width: 30px; height: 30px;
  border-radius: 50%;
  border: 1.5px solid var(--mist-200);
  display: grid;
  place-items: center;
  position: relative;
  transition: background .2s var(--ease), border-color .2s var(--ease), transform .3s var(--ease);
}
.accordion__icon::before,
.accordion__icon::after {
  content: "";
  position: absolute;
  background: var(--ink-900);
  transition: opacity .2s var(--ease);
}
.accordion__icon::before { width: 12px; height: 1.6px; }
.accordion__icon::after { width: 1.6px; height: 12px; }
.accordion__btn[aria-expanded="true"] .accordion__icon { background: var(--brass-500); border-color: var(--brass-500); transform: rotate(180deg); }
.accordion__btn[aria-expanded="true"] .accordion__icon::after { opacity: 0; }
.accordion__panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows .32s var(--ease);
}
.accordion__panel > div { overflow: hidden; }
.accordion__btn[aria-expanded="true"] + .accordion__panel { grid-template-rows: 1fr; }
.accordion__panel p { padding-bottom: 1.4rem; color: var(--steel-500); max-width: 78ch; }

/* -------------------------------------------------------------- 15. Table */
.table-wrap { overflow-x: auto; border: 1px solid var(--mist-200); border-radius: var(--r-md); }
table.data {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--fs-sm);
  min-width: 640px;
}
table.data th, table.data td {
  text-align: left;
  padding: .85rem 1.1rem;
  border-bottom: 1px solid var(--mist-100);
}
table.data thead th {
  background: var(--paper-soft);
  font-family: var(--font-body);
  font-size: var(--fs-xs);
  letter-spacing: .09em;
  text-transform: uppercase;
  color: var(--steel-500);
  font-weight: 700;
  border-bottom: 1px solid var(--mist-200);
}
table.data tbody tr:last-child td { border-bottom: 0; }
table.data tbody tr:hover { background: var(--paper-soft); }
table.data td b { color: var(--ink-800); }

/* ------------------------------------------------------------- 16. Quote */
.quote {
  border-left: 3px solid var(--brass-500);
  padding-left: clamp(1.25rem, 3vw, 2.25rem);
}
.quote p {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 1.6vw, 1.65rem);
  line-height: 1.45;
  color: var(--ink-900);
  letter-spacing: -0.02em;
}
.section--dark .quote p { color: #fff; }
.quote__by { font-size: var(--fs-sm); color: var(--steel-500); }

/* ----------------------------------------------------------- 17. CTA band */
.cta-band {
  position: relative;
  overflow: hidden;
  border-radius: clamp(var(--r-md), 2vw, 24px);
  background:
    radial-gradient(80% 120% at 100% 0%, rgba(216, 160, 61, .22) 0%, transparent 55%),
    linear-gradient(140deg, var(--ink-900) 0%, var(--ink-700) 100%);
  color: var(--mist-200);
  padding: clamp(2.25rem, 5vw, 4rem);
  display: grid;
  grid-template-columns: 1.4fr auto;
  gap: var(--gap-lg);
  align-items: center;
}
@media (max-width: 820px) { .cta-band { grid-template-columns: 1fr; } }
.cta-band h2 { color: #fff; margin-bottom: .6rem; }
.cta-band p { color: rgba(220, 227, 234, .82); max-width: 56ch; margin: 0; }

/* -------------------------------------------------------------- 18. Forms */
.field { margin-bottom: 1.15rem; }
.field__label {
  display: block;
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--ink-800);
  margin-bottom: .4rem;
}
.field__hint { font-size: var(--fs-xs); color: var(--steel-400); margin-top: .35rem; display: block; }
.req { color: var(--brass-600); }

.input, .select, .textarea {
  width: 100%;
  padding: .8rem 1rem;
  font-size: var(--fs-base);
  background: #fff;
  border: 1.5px solid var(--mist-200);
  border-radius: var(--r-md);
  transition: border-color .18s var(--ease), box-shadow .18s var(--ease);
}
.input:hover, .select:hover, .textarea:hover { border-color: var(--steel-300); }
.input:focus, .select:focus, .textarea:focus {
  outline: none;
  border-color: var(--ink-700);
  box-shadow: 0 0 0 4px rgba(29, 58, 86, .1);
}
.textarea { min-height: 140px; resize: vertical; }
.select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2355697F' stroke-width='2.2' stroke-linecap='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right .85rem center;
  background-size: 18px;
  padding-right: 2.6rem;
}
.field--error .input, .field--error .select, .field--error .textarea { border-color: var(--warn-500); }
.field__error {
  display: none;
  font-size: var(--fs-xs);
  color: var(--warn-500);
  margin-top: .35rem;
  font-weight: 600;
}
.field--error .field__error { display: block; }

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 0 var(--gap-md);
}
.form-note { font-size: var(--fs-xs); color: var(--steel-400); }

.form-status {
  display: none;
  margin-top: 1.25rem;
  padding: 1rem 1.25rem;
  border-radius: var(--r-md);
  background: rgba(46, 139, 107, .1);
  border: 1px solid rgba(46, 139, 107, .35);
  color: #1F6B51;
  font-size: var(--fs-sm);
}
.form-status.is-visible { display: block; }

/* ------------------------------------------------------------- 19. Footer */
.site-footer {
  background: var(--ink-900);
  color: var(--steel-400);
  padding-top: clamp(3rem, 6vw, 5rem);
  font-size: var(--fs-sm);
}
.site-footer a:hover { color: #fff; }
.footer__grid {
  display: grid;
  grid-template-columns: 1.6fr repeat(3, 1fr);
  gap: var(--gap-lg);
  padding-bottom: 3rem;
}
@media (max-width: 900px) { .footer__grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .footer__grid { grid-template-columns: 1fr; } }
.footer__grid .brand__name { color: #fff; }
.footer__grid .brand__tag { color: var(--steel-500); }
.footer h4 {
  color: #fff;
  font-size: var(--fs-xs);
  letter-spacing: .14em;
  text-transform: uppercase;
  margin-bottom: 1.1rem;
  font-family: var(--font-body);
  font-weight: 700;
}
.footer__list { list-style: none; padding: 0; margin: 0; }
.footer__list li { margin-bottom: .55rem; }
.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, .1);
  padding: 1.5rem 0;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  font-size: var(--fs-xs);
  color: var(--steel-500);
}
.footer__legal { display: flex; gap: 1.4rem; flex-wrap: wrap; }

/* ------------------------------------------------------- 20. Placeholders */
.ph-note {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--brass-700);
  background: var(--brass-100);
  border: 1px dashed var(--brass-400);
  padding: .3rem .7rem;
  border-radius: var(--r-pill);
}

.demo-banner {
  background: var(--brass-100);
  border-bottom: 1px solid var(--brass-400);
  color: var(--brass-700);
  font-size: var(--fs-xs);
  text-align: center;
  padding: .5rem 1rem;
  letter-spacing: .04em;
}

/* --------------------------------------------------------- 21. Animations */
[data-reveal] {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
  transition-delay: var(--reveal-delay, 0ms);
}
[data-reveal].is-in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  [data-reveal] { opacity: 1; transform: none; }
}

/* ------------------------------------------------------------- 22. Utils */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mt-sm { margin-top: var(--gap-sm); }
.mt-md { margin-top: var(--gap-md); }
.mt-lg { margin-top: var(--gap-lg); }
.mb-0 { margin-bottom: 0; }
.full { grid-column: 1 / -1; }
.nowrap { white-space: nowrap; }