/* ==========================================================================
   AM Futures — Design System
   Industrial / technical style. Tokens -> base -> layout -> components.
   ========================================================================== */

:root {
  /* Color tokens */
  --color-bg: #F5F6F7;
  --color-surface: #FFFFFF;
  --color-surface-alt: #EEF0F2;
  --color-ink: #14181D;
  --color-ink-muted: #565F6B;
  --color-ink-faint: #838C97;
  --color-border: #DEE2E6;
  --color-border-strong: #C3C9D0;

  --color-dark: #14181D;
  --color-dark-2: #1D232A;
  --color-dark-3: #262E37;
  --color-on-dark: #F5F6F7;
  --color-on-dark-muted: #9AA4B0;
  --color-on-dark-border: #333C46;

  --color-primary: #FF5A1F;
  --color-primary-dark: #E0480F;
  --color-primary-ink: #FFFFFF;
  --color-accent-blue: #3A7CA5;

  --color-success: #1E8E5A;
  --color-success-bg: #E7F5EE;
  --color-error: #C0392B;
  --color-error-bg: #FBEAE8;

  /* Typography */
  --font-heading: 'Oswald', 'Arial Narrow', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'IBM Plex Mono', 'SFMono-Regular', Consolas, monospace;

  --fs-body: 1rem;
  --fs-small: 0.875rem;
  --fs-xs: 0.75rem;
  --fs-h1: clamp(2.25rem, 1.6rem + 2.8vw, 4rem);
  --fs-h2: clamp(1.75rem, 1.4rem + 1.6vw, 2.75rem);
  --fs-h3: clamp(1.375rem, 1.2rem + 0.8vw, 1.75rem);
  --fs-h4: 1.125rem;
  --fs-lead: clamp(1.0625rem, 1rem + 0.3vw, 1.25rem);

  --lh-body: 1.6;
  --lh-heading: 1.15;

  /* Spacing scale (8px base, medium density) */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 16px;
  --space-4: 24px;
  --space-5: 32px;
  --space-6: 48px;
  --space-7: 64px;
  --space-8: 96px;

  --radius-sm: 3px;
  --radius-md: 6px;
  --radius-lg: 10px;

  --shadow-sm: 0 1px 2px rgba(20, 24, 29, 0.06), 0 1px 1px rgba(20, 24, 29, 0.04);
  --shadow-md: 0 4px 12px rgba(20, 24, 29, 0.08), 0 2px 4px rgba(20, 24, 29, 0.05);
  --shadow-lg: 0 12px 32px rgba(20, 24, 29, 0.14), 0 4px 10px rgba(20, 24, 29, 0.06);

  --container-max: 1240px;
  --header-h: 76px;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --dur-fast: 150ms;
  --dur-base: 250ms;
  --dur-slow: 450ms;

  --z-header: 100;
  --z-dropdown: 110;
  --z-overlay: 200;
}

/* ==========================================================================
   Reset
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@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;
    scroll-behavior: auto !important;
  }
}
body {
  min-height: 100dvh;
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--color-ink);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}
img, picture, video, canvas, svg { display: block; max-width: 100%; }
img { height: auto; }
input, button, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; padding: 0; }
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: var(--lh-heading);
  text-wrap: balance;
  letter-spacing: 0.01em;
  text-transform: uppercase;
}
p { text-wrap: pretty; }

/* ==========================================================================
   Accessibility
   ========================================================================== */
:focus-visible {
  outline: 3px solid var(--color-accent-blue);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}
.skip-link {
  position: absolute;
  left: var(--space-3);
  top: -100px;
  background: var(--color-primary);
  color: var(--color-primary-ink);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  z-index: 1000;
  font-weight: 600;
  transition: top var(--dur-base) var(--ease-out);
}
.skip-link:focus { top: var(--space-3); }
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* ==========================================================================
   Layout helpers
   ========================================================================== */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-4);
}
@media (max-width: 640px) {
  .container { padding-inline: var(--space-3); }
}
.section { padding-block: var(--space-8); }
.section--tight { padding-block: var(--space-6); }
.section--dark { background: var(--color-dark); color: var(--color-on-dark); }
.section--alt { background: var(--color-surface-alt); }
.section--surface { background: var(--color-surface); }

.stack { display: flex; flex-direction: column; }
.cluster { display: flex; flex-wrap: wrap; align-items: center; }
.grid { display: grid; gap: var(--space-4); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: var(--space-3);
}
.eyebrow::before {
  content: "";
  width: 24px;
  height: 2px;
  background: var(--color-primary);
  display: inline-block;
}
.lead {
  font-size: var(--fs-lead);
  color: var(--color-ink-muted);
  max-width: 62ch;
  text-transform: none;
}
.section--dark .lead { color: var(--color-on-dark-muted); }
.section--dark .eyebrow { color: var(--color-primary); }

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.85em 1.6em;
  font-weight: 600;
  font-size: var(--fs-small);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  min-height: 48px;
  transition: transform var(--dur-fast) var(--ease-out), background-color var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out);
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: var(--color-primary);
  color: var(--color-primary-ink);
  border-color: var(--color-primary);
}
.btn-primary:hover { background: var(--color-primary-dark); border-color: var(--color-primary-dark); }
.btn-outline {
  background: transparent;
  color: var(--color-ink);
  border-color: var(--color-border-strong);
}
.btn-outline:hover { border-color: var(--color-ink); background: var(--color-surface-alt); }
.section--dark .btn-outline,
.hero .btn-outline,
.page-hero .btn-outline,
.cta-band .btn-outline { color: var(--color-on-dark); border-color: var(--color-on-dark-border); }
.section--dark .btn-outline:hover,
.hero .btn-outline:hover,
.page-hero .btn-outline:hover,
.cta-band .btn-outline:hover { border-color: var(--color-on-dark); background: var(--color-dark-2); }
.btn-block { width: 100%; }

/* ==========================================================================
   Header / Nav
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: var(--color-dark);
  border-bottom: 1px solid var(--color-on-dark-border);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}
.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--color-on-dark);
  white-space: nowrap;
}
.brand-logo span { color: var(--color-primary); }
.brand-logo svg { flex-shrink: 0; }
/* Horizontal logo lockup: tree mark + "AM FUTURES" wordmark to its right */
.logo-mark {
  height: 40px;
  width: auto;
  flex-shrink: 0;
}
.logo-word {
  height: 30px;
  width: auto;
  flex-shrink: 0;
}
.site-footer .logo-mark { height: 46px; }
.site-footer .logo-word { height: 34px; }
.footer-col .brand-logo { margin-bottom: var(--space-3); gap: 14px; }
.footer-tagline {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: var(--space-3);
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}
.primary-nav ul { display: flex; align-items: center; gap: var(--space-3); flex-wrap: nowrap; }
@media (max-width: 1320px) and (min-width: 1081px) {
  .primary-nav ul { gap: 14px; }
  .primary-nav a, .nav-item-dropdown > button { font-size: var(--fs-xs); }
}
.primary-nav a {
  font-family: var(--font-heading);
  font-size: var(--fs-small);
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-on-dark-muted);
  padding: var(--space-2) 0;
  border-bottom: 2px solid transparent;
  white-space: nowrap;
  transition: color var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out);
}
.primary-nav a:hover,
.primary-nav a[aria-current="page"] { color: var(--color-on-dark); border-color: var(--color-primary); }

.nav-item-dropdown { position: relative; }
.nav-item-dropdown > button {
  display: flex;
  align-items: center;
  gap: 6px;
  background: none;
  border: none;
  font-family: var(--font-heading);
  font-size: var(--fs-small);
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-on-dark-muted);
  padding: var(--space-2) 0;
  border-bottom: 2px solid transparent;
  white-space: nowrap;
  transition: color var(--dur-fast) var(--ease-out);
}
.nav-item-dropdown > button:hover,
.nav-item-dropdown[data-open="true"] > button { color: var(--color-on-dark); }
.nav-item-dropdown svg { transition: transform var(--dur-fast) var(--ease-out); }
.nav-item-dropdown[data-open="true"] svg { transform: rotate(180deg); }

.dropdown-menu {
  position: absolute;
  top: calc(100% + 14px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: var(--space-2);
  min-width: 240px;
  display: grid;
  gap: 2px;
  opacity: 0;
  visibility: hidden;
  translate: 0 6px;
  transition: opacity var(--dur-base) var(--ease-out), translate var(--dur-base) var(--ease-out), visibility var(--dur-base);
  z-index: var(--z-dropdown);
}
.nav-item-dropdown[data-open="true"] .dropdown-menu {
  opacity: 1;
  visibility: visible;
  translate: 0 0;
}
.dropdown-menu a {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  color: var(--color-ink);
  text-transform: none;
  font-family: var(--font-body);
  border-bottom: none;
}
.dropdown-menu a:hover { background: var(--color-surface-alt); }
.dropdown-menu .brand-name { font-weight: 600; font-size: var(--fs-small); }
.dropdown-menu .brand-desc { font-size: var(--fs-xs); color: var(--color-ink-muted); }

.header-cta { display: flex; align-items: center; gap: var(--space-3); }
.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-on-dark-border);
  border-radius: var(--radius-sm);
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  color: var(--color-on-dark);
}

.primary-nav .nav-call { display: none; }
.primary-nav .nav-call a {
  color: var(--color-primary);
  font-weight: 700;
  font-size: var(--fs-small);
}

@media (max-width: 1080px) {
  .primary-nav {
    position: fixed;
    inset: var(--header-h) 0 0 0;
    background: var(--color-dark);
    flex-direction: column;
    align-items: stretch;
    padding: var(--space-4);
    overflow-y: auto;
    transform: translateX(100%);
    transition: transform var(--dur-slow) var(--ease-out);
    z-index: var(--z-overlay);
  }
  .primary-nav[data-open="true"] { transform: translateX(0); }
  .primary-nav ul { flex-direction: column; align-items: stretch; gap: 0; }
  .primary-nav li { border-bottom: 1px solid var(--color-on-dark-border); }
  .primary-nav a { display: block; padding: var(--space-3) var(--space-1); }
  .nav-item-dropdown { width: 100%; }
  .nav-item-dropdown > button { width: 100%; justify-content: space-between; padding: var(--space-3) var(--space-1); }
  .dropdown-menu {
    position: static;
    transform: none;
    box-shadow: none;
    border: none;
    background: var(--color-dark-2);
    opacity: 1;
    visibility: visible;
    translate: none;
    display: none;
    width: 100%;
    margin-bottom: var(--space-2);
  }
  .nav-item-dropdown[data-open="true"] .dropdown-menu { display: grid; }
  .dropdown-menu a { display: flex; flex-direction: column; gap: 2px; padding: var(--space-2) var(--space-3); }
  .dropdown-menu a:hover { background: var(--color-dark-3); }
  .dropdown-menu .brand-desc { color: var(--color-on-dark-muted); }
  .dropdown-menu .brand-name { color: var(--color-on-dark); }
  .header-cta .btn { display: none; }
  .nav-toggle { display: flex; }
  .primary-nav .nav-call { display: block; }
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  position: relative;
  background: var(--color-dark);
  color: var(--color-on-dark);
  overflow: hidden;
  padding-block: var(--space-8) var(--space-7);
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(180deg, rgba(20,24,29,0.55) 0%, rgba(20,24,29,0.92) 100%),
    repeating-linear-gradient(115deg, rgba(255,90,31,0.05) 0px, rgba(255,90,31,0.05) 1px, transparent 1px, transparent 64px);
  pointer-events: none;
}
.hero .container { position: relative; z-index: 1; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-7);
  align-items: center;
}
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
}
.hero-brand {
  font-family: var(--font-heading);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--color-on-dark);
  font-size: clamp(1.6rem, 1.15rem + 2.1vw, 2.6rem);
  line-height: 1;
  margin-bottom: var(--space-1);
}
.hero-tagline {
  font-family: var(--font-heading);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--color-primary);
  font-size: clamp(1.25rem, 1.05rem + 1.1vw, 1.9rem);
  line-height: 1.15;
  margin-bottom: var(--space-2);
}
.hero h1 { margin-bottom: var(--space-4); }
.hero .lead { margin-bottom: var(--space-5); }
.hero-actions { display: flex; gap: var(--space-3); flex-wrap: wrap; }
.hero-media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-on-dark-border);
  box-shadow: var(--shadow-lg);
  aspect-ratio: 4/3;
  background: var(--color-dark-2);
}
.hero-media img { width: 100%; height: 100%; object-fit: cover; }
.hero-media svg { width: 100%; height: 100%; display: block; }

/* Hero slideshow (home page) */
.hero-slideshow { position: relative; }
.hero-slideshow img {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 600ms var(--ease-out);
}
.hero-slideshow img.is-active { opacity: 1; }
@media (prefers-reduced-motion: reduce) {
  .hero-slideshow img { transition: none; }
}

/* ==========================================================================
   Partner logo strip
   ========================================================================== */
.partner-strip {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding-block: var(--space-4);
}
.partner-strip .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  text-align: center;
}
@media (min-width: 860px) {
  .partner-strip .container { flex-direction: row; justify-content: space-between; text-align: left; }
}
.partner-strip-label {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-ink-faint);
  flex-shrink: 0;
}
.partner-logos-stack {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
}
@media (min-width: 860px) {
  .partner-logos-stack { align-items: flex-end; }
}
.partner-logos {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-5);
  flex-wrap: wrap;
}
.partner-logos a {
  display: flex;
  align-items: center;
  height: 28px;
  opacity: 0.92;
  transition: opacity var(--dur-fast) var(--ease-out);
}
.partner-logos a:hover,
.partner-logos a:focus-visible { opacity: 1; }
.partner-logos img { height: 100%; width: auto; max-width: 110px; object-fit: contain; }

.stat-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-7);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-on-dark-border);
}
@media (max-width: 720px) {
  .stat-row { grid-template-columns: repeat(2, 1fr); }
}
.stat-row dt {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-on-dark-muted);
  margin-bottom: var(--space-1);
}
.stat-row dd {
  font-family: var(--font-heading);
  font-size: var(--fs-h3);
  color: var(--color-on-dark);
}

/* ==========================================================================
   Section headers
   ========================================================================== */
.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
}
.section-head h2 { margin-bottom: var(--space-3); }
.section-head .lead { margin: 0; }
.materials-logo {
  height: 30px;
  width: auto;
  max-width: 180px;
  object-fit: contain;
  object-position: left center;
  display: block;
  margin-bottom: var(--space-3);
}
.materials-logo--dark { filter: brightness(0); opacity: 0.85; }

/* Detailed material list (term + short description) */
.material-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 0 var(--space-5);
}
.material-list > div {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  column-gap: var(--space-2);
  padding: 10px 0;
  border-bottom: 1px solid var(--color-border);
}
.material-list dt {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: var(--fs-small);
  color: var(--color-ink);
}
.material-list dd {
  margin: 0;
  font-size: var(--fs-xs);
  color: var(--color-ink-muted);
}
.material-source {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: var(--space-3);
  font-family: var(--font-heading);
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-primary);
}

/* ==========================================================================
   Brand cards (home page grid)
   ========================================================================== */
.brand-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}
@media (max-width: 980px) { .brand-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .brand-grid { grid-template-columns: 1fr; } }

.brand-card {
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out), border-color var(--dur-base) var(--ease-out);
}
.brand-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-border-strong);
}
.brand-card-media {
  aspect-ratio: 16/10;
  background: var(--color-dark);
  position: relative;
  overflow: hidden;
}
.brand-card-media img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform var(--dur-slow) var(--ease-out);
}
.brand-card:hover .brand-card-media img { transform: scale(1.05); }
.brand-card-tag {
  position: absolute;
  top: var(--space-2);
  left: var(--space-2);
  max-width: calc(100% - 2 * var(--space-2));
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  background: rgba(20,24,29,0.85);
  color: var(--color-on-dark);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
}
.brand-card-body { padding: var(--space-4); display: flex; flex-direction: column; gap: var(--space-2); flex: 1; }
.brand-card-kicker {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-ink-faint);
  font-weight: 600;
  margin: 0;
}
.brand-card-body h3 { font-size: 1.3rem; margin: 0; }
.brand-card-body p { color: var(--color-ink-muted); font-size: var(--fs-small); flex: 1; }
.brand-card-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-heading);
  font-size: var(--fs-small);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-top: var(--space-2);
}
.brand-card-link svg { transition: transform var(--dur-fast) var(--ease-out); }
.brand-card:hover .brand-card-link svg { transform: translateX(4px); }

/* ==========================================================================
   Feature list (icon + text)
   ========================================================================== */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
}
@media (max-width: 980px) { .feature-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .feature-grid { grid-template-columns: 1fr; } }
.feature-card {
  padding: var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}
.feature-icon {
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  background: var(--color-surface-alt);
  border-radius: var(--radius-md);
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}
.feature-card h3 { font-size: 1rem; margin-bottom: var(--space-2); }
.feature-card p { font-size: var(--fs-small); color: var(--color-ink-muted); }

/* ==========================================================================
   Industries strip
   ========================================================================== */
.chip-row { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: var(--space-2) var(--space-3);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  font-size: var(--fs-small);
  font-weight: 500;
}
.section--dark .chip { background: var(--color-dark-2); border-color: var(--color-on-dark-border); color: var(--color-on-dark); }

/* ==========================================================================
   Brand hero (per-brand page)
   ========================================================================== */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--color-on-dark-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-4);
}
.breadcrumb a:hover { color: var(--color-on-dark); }
.breadcrumb svg { width: 12px; height: 12px; }

.brand-hero-logo {
  height: 40px;
  margin-bottom: var(--space-4);
  filter: brightness(0) invert(1);
  opacity: 0.92;
}

/* ==========================================================================
   Product cards (per-brand page)
   ========================================================================== */
.product-list { display: grid; gap: var(--space-6); }
.product-card {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: var(--space-6);
  align-items: center;
  padding: var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}
.product-card:nth-child(even) { grid-template-columns: 1.1fr 0.9fr; }
.product-card:nth-child(even) .product-media { order: 2; }
.product-card:not(:has(.product-media)),
.product-card:nth-child(even):not(:has(.product-media)) { grid-template-columns: 1fr; }
@media (max-width: 860px) {
  .product-card, .product-card:nth-child(even) { grid-template-columns: 1fr; }
  .product-card:nth-child(even) .product-media { order: 0; }
}
.product-media {
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 4/3;
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
}
.product-media img { width: 100%; height: 100%; object-fit: cover; }
.product-body .eyebrow { margin-bottom: var(--space-2); }
.product-body h3 { font-size: var(--fs-h3); margin-bottom: var(--space-3); }
.product-body p { color: var(--color-ink-muted); margin-bottom: var(--space-4); }

.spec-table { width: 100%; border-collapse: collapse; margin-bottom: var(--space-4); }
.spec-table tr { border-bottom: 1px solid var(--color-border); }
.spec-table tr:last-child { border-bottom: none; }
.spec-table th, .spec-table td { text-align: left; padding: var(--space-2) 0; font-size: var(--fs-small); }
.spec-table th { color: var(--color-ink-muted); font-weight: 500; width: 40%; }
.spec-table td { font-family: var(--font-mono); font-weight: 500; }

.product-actions { display: flex; gap: var(--space-3); flex-wrap: wrap; }

/* ==========================================================================
   Spec grid (compact product cards, for large catalogues)
   ========================================================================== */
.tech-label {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-ink-faint);
  font-weight: 600;
  margin-bottom: var(--space-2);
}
.section--dark .tech-label { color: var(--color-on-dark-muted); }
.material-block { margin-bottom: var(--space-5); }
.material-block:last-child { margin-bottom: 0; }
.line-intro { margin-bottom: var(--space-5); }
.line-intro h3 { font-size: var(--fs-h4); margin-bottom: var(--space-2); }
.line-intro p { color: var(--color-ink-muted); max-width: 68ch; margin: 0; }
.spec-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  margin-bottom: var(--space-7);
}
@media (max-width: 980px) { .spec-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .spec-grid { grid-template-columns: 1fr; } }

.spec-card {
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: box-shadow var(--dur-base) var(--ease-out), transform var(--dur-base) var(--ease-out), border-color var(--dur-base) var(--ease-out);
}
.spec-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); border-color: var(--color-border-strong); }
.spec-card-media {
  aspect-ratio: 1 / 1;
  background: #FFFFFF;
  padding: var(--space-3);
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid var(--color-border);
}
.spec-card-media img { max-width: 100%; max-height: 100%; width: auto; height: auto; object-fit: contain; }
.spec-card-body { padding: var(--space-3) var(--space-4) var(--space-4); display: flex; flex-direction: column; gap: var(--space-3); flex: 1; }
.spec-card-body h4 { font-size: 1.05rem; margin: 0; }
.spec-card-body > p { font-size: var(--fs-small); color: var(--color-ink-muted); margin: 0; }
.spec-card-list { display: grid; gap: 6px; }
.spec-card-list div { display: flex; justify-content: space-between; gap: var(--space-2); font-size: var(--fs-xs); }
.spec-card-list dt { color: var(--color-ink-faint); text-transform: uppercase; letter-spacing: 0.04em; font-family: var(--font-mono); flex-shrink: 0; }
.spec-card-list dd { font-family: var(--font-mono); font-weight: 600; text-align: right; }
.spec-card-link {
  margin-top: auto;
  padding-top: var(--space-2);
  font-family: var(--font-heading);
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-primary);
}

/* Wider brand range strip (small linked image cards) */
.range-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-4); }
@media (max-width: 720px) { .range-grid { grid-template-columns: 1fr; } }
.range-card {
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: box-shadow var(--dur-base) var(--ease-out), transform var(--dur-base) var(--ease-out), border-color var(--dur-base) var(--ease-out);
}
.range-card:hover,
.range-card:focus-visible { box-shadow: var(--shadow-md); transform: translateY(-3px); border-color: var(--color-border-strong); }
.range-card img { width: 100%; aspect-ratio: 16 / 8; object-fit: cover; display: block; border-bottom: 1px solid var(--color-border); }
.range-card-body { padding: var(--space-3) var(--space-4) var(--space-4); display: flex; flex-direction: column; gap: 6px; flex: 1; }
.range-card-title { font-family: var(--font-heading); font-size: 1rem; font-weight: 600; }
.range-card-text { font-size: var(--fs-small); color: var(--color-ink-muted); flex: 1; }
.range-card-link {
  font-family: var(--font-heading);
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-primary);
}

/* ==========================================================================
   Process / steps
   ========================================================================== */
.step-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-4); counter-reset: step; }
@media (max-width: 980px) { .step-list { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .step-list { grid-template-columns: 1fr; } }
.step-item { position: relative; padding-top: var(--space-6); }
.step-item::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  color: var(--color-primary);
  display: block;
  border-top: 2px solid var(--color-primary);
  padding-top: var(--space-2);
  position: absolute;
  top: 0; left: 0;
  width: 48px;
}
.step-item h3 { font-size: 1rem; margin-bottom: var(--space-2); }
.step-item p { font-size: var(--fs-small); color: var(--color-ink-muted); }

/* ==========================================================================
   CTA band
   ========================================================================== */
.cta-band {
  background: linear-gradient(120deg, var(--color-dark) 0%, var(--color-dark-2) 100%);
  color: var(--color-on-dark);
  border-radius: var(--radius-lg);
  padding: var(--space-6) var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  flex-wrap: wrap;
}
.cta-band h2 { margin-bottom: var(--space-2); font-size: var(--fs-h3); }
.cta-band p { color: var(--color-on-dark-muted); margin: 0; max-width: 50ch; }
.cta-band-actions { display: flex; gap: var(--space-3); flex-wrap: wrap; }

/* ==========================================================================
   Contact
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-7);
}
@media (max-width: 860px) { .contact-grid { grid-template-columns: 1fr; } }
.contact-card {
  display: flex;
  gap: var(--space-3);
  padding: var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-3);
}
.contact-card .feature-icon { margin-bottom: 0; flex-shrink: 0; }
.contact-card h3 { font-size: var(--fs-small); text-transform: uppercase; letter-spacing: 0.04em; color: var(--color-ink-muted); margin-bottom: 4px; font-family: var(--font-body); font-weight: 600; }
.contact-card a, .contact-card p { font-size: 1.05rem; font-weight: 600; }
.contact-card a:hover { color: var(--color-primary); }

.form-field { margin-bottom: var(--space-4); }
.form-field label {
  display: block;
  font-size: var(--fs-small);
  font-weight: 600;
  margin-bottom: var(--space-2);
}
.form-field .required { color: var(--color-primary); }
.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  padding: 0.85em 1em;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  font-size: 1rem;
  min-height: 48px;
  transition: border-color var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out);
}
.form-field textarea { min-height: 140px; resize: vertical; }
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--color-accent-blue);
  box-shadow: 0 0 0 3px rgba(58,124,165,0.2);
}
.form-field .helper { font-size: var(--fs-xs); color: var(--color-ink-faint); margin-top: var(--space-1); }
.form-status {
  display: none;
  padding: var(--space-3);
  border-radius: var(--radius-sm);
  background: var(--color-success-bg);
  color: var(--color-success);
  font-weight: 600;
  margin-top: var(--space-4);
}
.form-status[data-visible="true"] { display: block; }
.form-status[data-state="error"] { background: var(--color-error-bg); color: var(--color-error); }

/* Honeypot — hidden from people, visible to bots */
.form-hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background: var(--color-dark);
  color: var(--color-on-dark-muted);
  padding-block: var(--space-7) var(--space-5);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: var(--space-6);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--color-on-dark-border);
}
@media (max-width: 860px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-col h4 {
  font-family: var(--font-heading);
  font-size: var(--fs-small);
  letter-spacing: 0.06em;
  color: var(--color-on-dark);
  margin-bottom: var(--space-3);
}
.footer-col ul { display: grid; gap: var(--space-2); }
.footer-col a:hover { color: var(--color-on-dark); }
.footer-col p { font-size: var(--fs-small); max-width: 32ch; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-3);
  padding-top: var(--space-5);
  font-size: var(--fs-xs);
}
.footer-bottom a:hover { color: var(--color-on-dark); }

/* ==========================================================================
   Reveal-on-scroll
   ========================================================================== */
.reveal {
  opacity: 0;
  translate: 0 16px;
  transition: opacity var(--dur-slow) var(--ease-out), translate var(--dur-slow) var(--ease-out);
}
.reveal.is-visible { opacity: 1; translate: 0 0; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; translate: 0 0; }
}

/* ==========================================================================
   Page hero (brand pages, contact page — smaller than home hero)
   ========================================================================== */
.page-hero {
  background: var(--color-dark);
  color: var(--color-on-dark);
  padding-block: var(--space-7) var(--space-6);
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(115deg, rgba(255,90,31,0.05) 0px, rgba(255,90,31,0.05) 1px, transparent 1px, transparent 64px);
  pointer-events: none;
}
.page-hero .container { position: relative; z-index: 1; }
.page-hero h1 { margin-bottom: var(--space-3); }
.page-hero .lead { margin: 0; }

/* ==========================================================================
   Case studies
   ========================================================================== */
.case-note {
  font-size: var(--fs-xs);
  color: var(--color-ink-faint);
  margin-top: var(--space-4);
}
.section--dark .case-note { color: var(--color-on-dark-muted); }
.case-list {
  display: grid;
  gap: var(--space-6);
}
.case-study {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr);
  gap: var(--space-5);
  align-items: start;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.case-study-media {
  position: relative;
  align-self: stretch;
  min-height: 260px;
  background: var(--color-dark);
}
.case-study-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.case-study-media .brand-card-tag {
  position: absolute;
  top: var(--space-3);
  left: var(--space-3);
}
.case-study-body {
  padding: var(--space-5) var(--space-5) var(--space-5) 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.case-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-items: center;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-ink-muted);
}
.case-meta .case-brand { color: var(--color-primary); font-weight: 600; }
.case-meta .case-sep { color: var(--color-border-strong); }
.case-study-body h3 { font-size: var(--fs-h3); margin: 0; }
.case-study-body h4 {
  font-size: var(--fs-xs);
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
  color: var(--color-ink-faint);
  margin-bottom: var(--space-1);
}
.case-study-body p { font-size: var(--fs-small); color: var(--color-ink-muted); }
.case-block + .case-block { margin-top: var(--space-3); }
.case-results {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-2);
}
.case-metric {
  display: inline-flex;
  flex-direction: column;
  gap: 2px;
  padding: var(--space-2) var(--space-3);
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}
.case-metric b {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  line-height: 1;
  color: var(--color-ink);
}
.case-metric span {
  font-size: var(--fs-xs);
  color: var(--color-ink-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.case-source { font-size: var(--fs-xs); color: var(--color-ink-faint); margin-top: var(--space-2); }
.case-source a { color: var(--color-ink-muted); text-decoration: underline; text-underline-offset: 2px; }
.case-source a:hover { color: var(--color-primary); }
@media (max-width: 860px) {
  .case-study { grid-template-columns: 1fr; }
  .case-study-media { min-height: 200px; }
  .case-study-body { padding: var(--space-4); }
}

/* ==========================================================================
   Production & benchmark sites
   ========================================================================== */
.feature-grid--trio { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 980px) { .feature-grid--trio { grid-template-columns: 1fr; } }

/* Stacked hero media (parts + map) */
.hero-media-stack { display: grid; gap: var(--space-3); }
.hero-media--parts { aspect-ratio: 4 / 3; }
.hero-media--map { aspect-ratio: 16 / 9; }
.hero-media--map img { object-position: center 45%; }
.spec-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3) var(--space-5);
}
@media (max-width: 640px) { .spec-list { grid-template-columns: 1fr; } }
.spec-list li {
  display: flex;
  gap: var(--space-3);
  font-size: var(--fs-small);
  color: var(--color-on-dark-muted);
}
.spec-list li b { color: var(--color-on-dark); font-weight: 600; }
.spec-list svg { color: var(--color-primary); flex-shrink: 0; margin-top: 2px; }