/* ==========================================================================
   Rockwater International — Design System
   Premium editorial "artisan-luxury" B2B wholesale
   All tokens per _spec/design-spec.md. Never hardcode raw values in components.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Design Tokens
   -------------------------------------------------------------------------- */
:root {
  /* 1.1 Color — Brand */
  --color-ivory:        #FAF6EF;
  --color-ink:          #2B2622;
  --color-ink-soft:     #4A433D;
  --color-ink-muted:    #7A716A;

  --color-clay:         #B5623C;
  --color-clay-600:     #9C5231;
  --color-clay-700:     #813F25;
  --color-clay-300:     #D69A7E;
  --color-clay-100:     #F0DDD2;
  --color-clay-050:     #F8EEE7;

  --color-sage:         #6E7A5A;
  --color-sage-600:     #5B6749;
  --color-sage-700:     #48533A;
  --color-sage-300:     #A7B092;
  --color-sage-100:     #E4E7DA;

  --color-gold:         #C79A4B;
  --color-gold-600:     #AC8239;
  --color-gold-100:     #F2E7CE;

  /* 1.2 Surfaces, borders, states */
  --surface-page:       var(--color-ivory);
  --surface-raised:     #FFFFFF;
  --surface-sunken:     #F2ECE1;
  --surface-ink:        #23201C;
  --surface-ink-soft:   #322D28;

  --border-subtle:      #E7DECF;
  --border-default:     #D9CDBA;
  --border-strong:      #C2B39A;
  --border-ink:         rgba(255,255,255,0.14);

  --state-success:      #4E7A4E;
  --state-success-bg:   #E6EFE2;
  --state-error:        #A33A2A;
  --state-error-bg:     #F6E3DE;
  --state-focus:        #B5623C;

  --overlay-hero:       linear-gradient(180deg, rgba(30,26,22,0.15) 0%, rgba(30,26,22,0.55) 100%);
  --overlay-card:       linear-gradient(180deg, rgba(30,26,22,0.00) 35%, rgba(30,26,22,0.72) 100%);

  /* 1.4 Spacing */
  --space-0:  0;
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.5rem;
  --space-6:  2rem;
  --space-7:  3rem;
  --space-8:  4rem;
  --space-9:  6rem;
  --space-10: 8rem;
  --section-y: clamp(4rem, 9vw, 8rem);
  --gutter:    clamp(1.25rem, 4vw, 3rem);

  /* 1.5 Radii */
  --radius-sm:   4px;
  --radius-md:   8px;
  --radius-lg:   14px;
  --radius-xl:   22px;
  --radius-pill: 999px;
  --radius-card: var(--radius-lg);

  /* 1.6 Shadows */
  --shadow-xs: 0 1px 2px rgba(43,38,34,0.06);
  --shadow-sm: 0 2px 8px rgba(43,38,34,0.08);
  --shadow-md: 0 8px 24px rgba(43,38,34,0.10);
  --shadow-lg: 0 18px 46px rgba(43,38,34,0.14);
  --shadow-hover: 0 22px 54px rgba(43,38,34,0.18);
  --shadow-focus: 0 0 0 3px rgba(181,98,60,0.35);

  /* 1.7 Typography */
  --font-display: 'Fraunces', Georgia, 'Times New Roman', serif;
  --font-body:    'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;

  --fs-display:  clamp(2.75rem, 1.6rem + 5.2vw, 5rem);
  --fs-h1:       clamp(2.25rem, 1.5rem + 3.2vw, 3.5rem);
  --fs-h2:       clamp(1.75rem, 1.2rem + 2.2vw, 2.6rem);
  --fs-h3:       clamp(1.3rem, 1.05rem + 1.1vw, 1.7rem);
  --fs-h4:       clamp(1.1rem, 1rem + 0.5vw, 1.25rem);
  --fs-lead:     clamp(1.1rem, 1rem + 0.6vw, 1.375rem);
  --fs-body:     1rem;
  --fs-body-lg:  1.125rem;
  --fs-small:    0.875rem;
  --fs-eyebrow:  0.8125rem;

  --lh-tight:   1.08;
  --lh-snug:    1.18;
  --lh-normal:  1.5;
  --lh-relaxed: 1.7;

  --ls-tight:   -0.02em;
  --ls-normal:  0;
  --ls-wide:    0.02em;
  --ls-eyebrow: 0.16em;

  /* 1.8 Layout */
  --container-xs:  36rem;
  --container-sm:  48rem;
  --container-md:  64rem;
  --container-lg:  75rem;
  --container-xl:  85rem;
  --container-full: 100%;

  --z-base:      0;
  --z-raised:    10;
  --z-sticky:    100;
  --z-dropdown:  200;
  --z-overlay:   900;
  --z-drawer:    1000;
  --z-modal:     1100;
  --z-toast:     1200;

  /* 1.9 Motion */
  --ease-standard: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out:      cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in:       cubic-bezier(0.4, 0, 1, 1);
  --dur-fast:   140ms;
  --dur-base:   240ms;
  --dur-slow:   420ms;
  --dur-reveal: 640ms;

  /* Header height */
  --header-h: 76px;
}

/* --------------------------------------------------------------------------
   2. Reset
   -------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 1rem);
}
body {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: var(--lh-normal);
  color: var(--color-ink);
  background: var(--surface-page);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  min-height: 100vh;
  overflow-x: hidden;
}
img, picture, svg, video {
  display: block;
  max-width: 100%;
}
img { height: auto; }
input, button, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: none; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; padding: 0; }
h1, h2, h3, h4, h5, h6 { font-weight: inherit; }
:focus-visible {
  outline: 2px solid transparent;
  box-shadow: var(--shadow-focus);
  border-radius: var(--radius-sm);
}

/* 1.9 Reduced motion */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* --------------------------------------------------------------------------
   3. Typography helpers
   -------------------------------------------------------------------------- */
.display { font-family: var(--font-display); }

.eyebrow {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--fs-eyebrow);
  text-transform: uppercase;
  letter-spacing: var(--ls-eyebrow);
  color: var(--color-clay-700);
  display: inline-block;
}
.eyebrow--gold { color: var(--color-gold-600); }
.eyebrow--sage { color: var(--color-sage-700); }
.eyebrow--light { color: var(--color-clay-300); }

/* --------------------------------------------------------------------------
   4. Layout utilities
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-lg);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.container--md { max-width: var(--container-md); }
.container--xl { max-width: var(--container-xl); }
.container--prose { max-width: var(--container-xs); }

.section { padding-block: var(--section-y); }
.section--sunken { background: var(--surface-sunken); }
.section--raised { background: var(--surface-raised); }
.section--tight { padding-block: clamp(2.5rem, 5vw, 4rem); }

.stack > * + * { margin-top: var(--space-4); }
.stack-lg > * + * { margin-top: var(--space-6); }

.skip-link {
  position: absolute;
  left: var(--space-4);
  top: -100px;
  z-index: var(--z-toast);
  background: var(--color-clay);
  color: #fff;
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-md);
  font-weight: 600;
  transition: top var(--dur-base) var(--ease-out);
}
.skip-link:focus { top: var(--space-4); }

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

/* --------------------------------------------------------------------------
   5. Section Heading (2.6)
   -------------------------------------------------------------------------- */
.section-head { max-width: 60ch; margin-bottom: var(--space-7); }
.section-head .eyebrow { margin-bottom: var(--space-3); }
.section-head__title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--fs-h2);
  line-height: var(--lh-snug);
  letter-spacing: var(--ls-tight);
  color: var(--color-ink);
}
.section-head__intro {
  margin-top: var(--space-4);
  font-size: var(--fs-lead);
  line-height: var(--lh-normal);
  color: var(--color-ink-soft);
  max-width: 60ch;
}
.section-head--center {
  text-align: center;
  margin-inline: auto;
}
.section-head--center .section-head__intro { margin-inline: auto; }
.section-head--light .section-head__title { color: var(--color-ivory); }
.section-head--light .section-head__intro { color: rgba(250,246,239,0.82); }

/* --------------------------------------------------------------------------
   6. Buttons (2.2)
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--fs-small);
  letter-spacing: var(--ls-wide);
  line-height: 1;
  min-height: 44px;
  padding: 0.85rem 1.6rem;
  border-radius: var(--radius-pill);
  border: 1.5px solid transparent;
  transition: background var(--dur-base) var(--ease-standard),
              color var(--dur-base) var(--ease-standard),
              border-color var(--dur-base) var(--ease-standard),
              transform var(--dur-base) var(--ease-standard),
              box-shadow var(--dur-base) var(--ease-standard);
  text-align: center;
}
.btn .arrow {
  transition: transform var(--dur-base) var(--ease-out);
  display: inline-block;
}
.btn:hover .arrow { transform: translateX(4px); }

.btn--primary {
  background: var(--color-clay);
  color: #fff;
}
.btn--primary:hover {
  background: var(--color-clay-600);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.btn--primary:active {
  background: var(--color-clay-700);
  transform: translateY(0);
}

.btn--secondary {
  background: transparent;
  color: var(--color-ink);
  border-color: var(--border-strong);
}
.btn--secondary:hover {
  border-color: var(--color-ink);
  background: var(--color-clay-050);
}
.btn--secondary:active { background: var(--color-clay-100); }

.btn--ghost {
  background: transparent;
  color: var(--color-clay-700);
  padding-inline: 0.5rem;
  min-height: auto;
}
.btn--ghost:hover { color: var(--color-clay-600); text-decoration: underline; }

.btn--on-dark {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.6);
}
.btn--on-dark:hover { background: rgba(255,255,255,0.12); border-color: #fff; }

.btn--block { width: 100%; }

/* --------------------------------------------------------------------------
   7. Header / Nav (2.1)
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  transition: background var(--dur-base) var(--ease-standard),
              box-shadow var(--dur-base) var(--ease-standard),
              border-color var(--dur-base) var(--ease-standard);
  background: transparent;
  border-bottom: 1px solid transparent;
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  height: var(--header-h);
}
.brand { display: inline-flex; align-items: center; gap: var(--space-3); }
.brand__logo {
  height: 40px;
  width: auto;
  border-radius: var(--radius-sm);
  background: #fff;
  padding: 3px 6px;
  box-shadow: var(--shadow-xs);
}
.brand__name { display: none; }

.primary-nav { display: none; }
.primary-nav__list { display: flex; align-items: center; gap: var(--space-6); }
.primary-nav__link {
  position: relative;
  font-weight: 600;
  font-size: var(--fs-small);
  color: #fff;
  text-shadow: 0 1px 3px rgba(30,26,22,0.45);
  padding-block: var(--space-2);
  transition: color var(--dur-base) var(--ease-standard);
}
.primary-nav__link::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 2px;
  background: var(--color-clay);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-base) var(--ease-standard);
}
.primary-nav__link:hover::after,
.primary-nav__link[aria-current="page"]::after { transform: scaleX(1); }

.site-header__actions { display: flex; align-items: center; gap: var(--space-3); }
.header-cta { display: none; }

/* Scrolled state */
.site-header.is-scrolled {
  background: rgba(250,246,239,0.92);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
  border-bottom-color: var(--border-subtle);
}
.site-header.is-scrolled .primary-nav__link {
  color: var(--color-ink);
  text-shadow: none;
}
.site-header.is-scrolled .primary-nav__link:hover { color: var(--color-clay-700); }
.site-header.is-scrolled .header-cta.btn--on-dark {
  background: var(--color-clay);
  color: #fff;
  border-color: var(--color-clay);
}
.site-header.is-scrolled .header-cta.btn--on-dark:hover { background: var(--color-clay-600); border-color: var(--color-clay-600); }
.site-header.is-scrolled .nav-toggle__bar { background: var(--color-ink); }

/* Non-hero pages: header solid by default */
.site-header--solid {
  background: rgba(250,246,239,0.92);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-bottom-color: var(--border-subtle);
}
.site-header--solid .primary-nav__link { color: var(--color-ink); text-shadow: none; }
.site-header--solid .nav-toggle__bar { background: var(--color-ink); }
.site-header--solid .header-cta.btn--on-dark { background: var(--color-clay); color:#fff; border-color: var(--color-clay); }

/* Hamburger */
.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px; height: 44px;
  align-items: center;
}
.nav-toggle__bar {
  display: block;
  width: 24px; height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: transform var(--dur-base) var(--ease-standard),
              opacity var(--dur-fast) var(--ease-standard),
              background var(--dur-base) var(--ease-standard);
}

/* Mobile drawer */
.mobile-nav {
  position: fixed;
  inset: 0 0 0 auto;
  z-index: var(--z-drawer);
  width: min(88vw, 360px);
  background: var(--surface-page);
  box-shadow: var(--shadow-lg);
  transform: translateX(100%);
  transition: transform var(--dur-base) var(--ease-out);
  display: flex;
  flex-direction: column;
  padding: var(--space-6) var(--space-5);
  overflow-y: auto;
}
.mobile-nav.is-open { transform: translateX(0); }
.mobile-nav__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-5);
}
.mobile-nav__close {
  width: 44px; height: 44px;
  font-size: 1.75rem;
  line-height: 1;
  color: var(--color-ink);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.mobile-nav__list { display: flex; flex-direction: column; }
.mobile-nav__link {
  display: block;
  font-family: var(--font-display);
  font-size: var(--fs-h4);
  color: var(--color-ink);
  padding-block: var(--space-4);
  border-bottom: 1px solid var(--border-subtle);
  transition: color var(--dur-base) var(--ease-standard);
}
.mobile-nav__link:hover { color: var(--color-clay-700); }
.mobile-nav__cta { margin-top: var(--space-6); }

.nav-scrim {
  position: fixed;
  inset: 0;
  z-index: var(--z-overlay);
  background: var(--overlay-hero);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--dur-base) var(--ease-standard), visibility var(--dur-base);
}
.nav-scrim.is-open { opacity: 1; visibility: visible; }

body.nav-open { overflow: hidden; }

/* --------------------------------------------------------------------------
   8. Hero
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: min(92vh, 780px);
  margin-top: calc(var(--header-h) * -1);
  display: flex;
  align-items: flex-end;
  color: #fff;
  overflow: hidden;
}
.hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--overlay-hero);
}
.hero__inner {
  position: relative;
  z-index: 1;
  padding-top: calc(var(--header-h) + var(--space-8));
  padding-bottom: var(--space-9);
  max-width: 60ch;
}
.hero .eyebrow {
  color: var(--color-clay-300);
  margin-bottom: var(--space-4);
}
.hero__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--fs-display);
  line-height: var(--lh-tight);
  letter-spacing: var(--ls-tight);
  text-shadow: 0 2px 18px rgba(30,26,22,0.35);
}
.hero__subhead {
  margin-top: var(--space-5);
  font-size: var(--fs-lead);
  line-height: var(--lh-normal);
  color: rgba(255,255,255,0.92);
  max-width: 54ch;
  text-shadow: 0 1px 8px rgba(30,26,22,0.35);
}
.hero__actions {
  margin-top: var(--space-6);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}
.hero__scroll-cue {
  position: absolute;
  left: 50%;
  bottom: var(--space-5);
  transform: translateX(-50%);
  z-index: 1;
  color: rgba(255,255,255,0.85);
  font-size: 1.5rem;
  animation: bob 2.2s var(--ease-standard) infinite;
}
@keyframes bob {
  0%, 100% { transform: translate(-50%, 0); }
  50% { transform: translate(-50%, 8px); }
}

/* --------------------------------------------------------------------------
   9. Stat Band (2.4)
   -------------------------------------------------------------------------- */
.stat-band { background: var(--surface-sunken); }
.stat-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6) var(--space-4);
}
.stat {
  text-align: center;
  padding: var(--space-2) var(--space-3);
  position: relative;
}
.stat__figure {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--fs-h1);
  line-height: 1;
  color: var(--color-clay);
  letter-spacing: var(--ls-tight);
}
.stat__label {
  margin-top: var(--space-3);
  font-size: var(--fs-small);
  color: var(--color-ink-muted);
  letter-spacing: var(--ls-wide);
  line-height: var(--lh-snug);
}

/* --------------------------------------------------------------------------
   10. Category Card (2.3)
   -------------------------------------------------------------------------- */
.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}
.category-card {
  position: relative;
  display: block;
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  aspect-ratio: 4 / 3;
  color: #fff;
  transition: transform var(--dur-base) var(--ease-out),
              box-shadow var(--dur-base) var(--ease-out);
  isolation: isolate;
}
.category-card__img {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  z-index: -2;
  transition: transform var(--dur-slow) var(--ease-out);
}
.category-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--overlay-card);
  z-index: -1;
}
.category-card__body {
  position: absolute;
  inset: auto 0 0 0;
  padding: var(--space-5);
}
.category-card__title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--fs-h3);
  line-height: var(--lh-snug);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  transition: transform var(--dur-base) var(--ease-out);
}
.category-card__title .arrow { transition: transform var(--dur-base) var(--ease-out); }
.category-card__desc {
  margin-top: var(--space-2);
  font-size: var(--fs-small);
  color: rgba(255,255,255,0.85);
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height var(--dur-slow) var(--ease-out),
              opacity var(--dur-base) var(--ease-standard),
              margin-top var(--dur-base) var(--ease-standard);
}
.category-card:hover,
.category-card:focus-visible {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}
.category-card:hover .category-card__img { transform: scale(1.06); }
.category-card:hover .category-card__title .arrow { transform: translateX(4px); }
.category-card:hover .category-card__desc,
.category-card:focus-visible .category-card__desc {
  max-height: 6rem;
  opacity: 1;
}

/* --------------------------------------------------------------------------
   11. Feature list / Why-us (split)
   -------------------------------------------------------------------------- */
.split {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-7);
  align-items: center;
}
.split__media img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  object-fit: cover;
}
.feature-list { display: grid; gap: var(--space-5); }
.feature {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-4);
  align-items: start;
}
.feature__icon {
  width: 44px; height: 44px;
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--color-clay-050);
  color: var(--color-clay);
  border: 1px solid var(--color-clay-100);
}
.feature__icon svg { width: 22px; height: 22px; }
.feature__title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--fs-h4);
  color: var(--color-ink);
}
.feature__text {
  margin-top: var(--space-1);
  font-size: var(--fs-body);
  color: var(--color-ink-soft);
  line-height: var(--lh-normal);
}

/* --------------------------------------------------------------------------
   12. Infrastructure / Sustainability blurbs
   -------------------------------------------------------------------------- */
.prose { max-width: 68ch; }
.prose p { line-height: var(--lh-relaxed); color: var(--color-ink-soft); }
.prose p + p { margin-top: var(--space-4); }

.section--sage {
  background: var(--color-sage-100);
}
.section--sage .section-head__title { color: var(--color-sage-700); }

.infra-gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
}
.infra-gallery img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

/* --------------------------------------------------------------------------
   13. Client Logo Marquee (2.5)
   -------------------------------------------------------------------------- */
.marquee {
  position: relative;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.marquee__track {
  display: flex;
  width: max-content;
  gap: var(--space-8);
  align-items: center;
  animation: marquee 40s linear infinite;
}
.marquee:hover .marquee__track,
.marquee:focus-within .marquee__track { animation-play-state: paused; }
.marquee__item { flex: none; }
.marquee__logo {
  height: 56px;
  width: auto;
  object-fit: contain;
  opacity: 0.6;
  filter: grayscale(1);
  transition: opacity var(--dur-base) var(--ease-standard),
              filter var(--dur-base) var(--ease-standard);
}
.marquee__item:hover .marquee__logo { opacity: 1; filter: grayscale(0); }
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
@media (prefers-reduced-motion: reduce) {
  .marquee { -webkit-mask-image: none; mask-image: none; }
  .marquee__track {
    animation: none;
    flex-wrap: wrap;
    justify-content: center;
    width: 100%;
    gap: var(--space-6) var(--space-8);
  }
  .marquee__track--dup { display: none; }
}

/* --------------------------------------------------------------------------
   14. Process Steps (2.7)
   -------------------------------------------------------------------------- */
.process { display: grid; gap: var(--space-6); position: relative; }
.process-step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-4);
  align-items: start;
  position: relative;
}
.process-step__badge {
  width: 48px; height: 48px;
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-pill);
  background: var(--color-clay);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.25rem;
  box-shadow: var(--shadow-sm);
  position: relative;
  z-index: 1;
}
.process-step__title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--fs-h4);
  color: var(--color-ink);
}
.process-step__text {
  margin-top: var(--space-2);
  font-size: var(--fs-small);
  color: var(--color-ink-soft);
  line-height: var(--lh-normal);
}

/* --------------------------------------------------------------------------
   15. Trust Badge Row (2.8)
   -------------------------------------------------------------------------- */
.badge-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}
.trust-badge {
  background: var(--surface-raised);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  transition: border-color var(--dur-base) var(--ease-standard),
              box-shadow var(--dur-base) var(--ease-standard),
              transform var(--dur-base) var(--ease-standard);
}
.trust-badge:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}
.trust-badge__icon {
  width: 40px; height: 40px;
  color: var(--color-clay);
  margin-bottom: var(--space-4);
}
.trust-badge__icon svg { width: 100%; height: 100%; }
.trust-badge__title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--fs-h4);
  color: var(--color-ink);
  margin-bottom: var(--space-2);
}
.trust-badge__text {
  font-size: var(--fs-small);
  color: var(--color-ink-soft);
  line-height: var(--lh-normal);
}

/* --------------------------------------------------------------------------
   16. Testimonial (2.9)
   -------------------------------------------------------------------------- */
.testimonial {
  background: var(--color-clay-050);
  border-radius: var(--radius-xl);
  padding: clamp(2rem, 5vw, 4rem);
  position: relative;
  overflow: hidden;
  max-width: var(--container-md);
  margin-inline: auto;
  text-align: center;
}
.testimonial__mark {
  font-family: var(--font-display);
  font-size: 8rem;
  line-height: 0.6;
  color: var(--color-gold);
  opacity: 0.35;
  height: 3rem;
  display: block;
}
.testimonial__quote {
  font-family: var(--font-display);
  font-weight: 400;
  font-style: italic;
  font-size: var(--fs-h3);
  line-height: var(--lh-snug);
  color: var(--color-ink);
  max-width: 40ch;
  margin-inline: auto;
}
.testimonial__attr {
  margin-top: var(--space-5);
  font-size: var(--fs-small);
  color: var(--color-ink-muted);
}
.testimonial__attr strong { color: var(--color-ink-soft); font-weight: 600; }

/* --------------------------------------------------------------------------
   17. CTA Band
   -------------------------------------------------------------------------- */
.cta-band {
  background: var(--surface-ink);
  color: var(--color-ivory);
  text-align: center;
}
.cta-band__title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--fs-h2);
  line-height: var(--lh-snug);
  letter-spacing: var(--ls-tight);
  max-width: 20ch;
  margin-inline: auto;
}
.cta-band__subhead {
  margin-top: var(--space-4);
  font-size: var(--fs-lead);
  color: rgba(250,246,239,0.82);
  max-width: 52ch;
  margin-inline: auto;
}
.cta-band__actions { margin-top: var(--space-6); display: flex; justify-content: center; flex-wrap: wrap; gap: var(--space-4); }
.cta-band--clay { background: var(--color-clay); }
.cta-band--clay .cta-band__subhead { color: rgba(255,255,255,0.9); }

/* --------------------------------------------------------------------------
   18. Footer (2.10)
   -------------------------------------------------------------------------- */
.site-footer {
  background: var(--surface-ink);
  color: var(--color-ivory);
  padding-top: var(--section-y);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-7);
  padding-bottom: var(--space-8);
}
.footer-col__title {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--fs-small);
  text-transform: uppercase;
  letter-spacing: var(--ls-eyebrow);
  color: var(--color-gold-600);
  margin-bottom: var(--space-4);
}
.footer-brand__logo {
  height: 44px;
  width: auto;
  background: #fff;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-4);
}
.footer-brand__tagline {
  color: rgba(250,246,239,0.8);
  max-width: 34ch;
  line-height: var(--lh-normal);
}
.footer-brand__address {
  margin-top: var(--space-4);
  font-size: var(--fs-small);
  color: rgba(250,246,239,0.65);
  font-style: normal;
  line-height: var(--lh-normal);
}
.footer-links { display: grid; gap: var(--space-3); }
.footer-links a,
.footer-contact a {
  color: rgba(250,246,239,0.8);
  font-size: var(--fs-small);
  transition: color var(--dur-base) var(--ease-standard);
  text-underline-offset: 3px;
}
.footer-links a:hover,
.footer-contact a:hover {
  color: var(--color-ivory);
  text-decoration: underline;
  text-decoration-color: var(--color-clay-300);
}
.footer-contact { display: grid; gap: var(--space-3); font-size: var(--fs-small); color: rgba(250,246,239,0.8); font-style: normal; }
.footer-contact__cta { margin-top: var(--space-3); }

.footer-bar {
  border-top: 1px solid var(--border-ink);
  padding-block: var(--space-5);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: space-between;
  align-items: center;
  font-size: var(--fs-small);
  color: rgba(250,246,239,0.6);
}
.footer-bar__wordmark { font-family: var(--font-display); color: var(--color-gold-600); }

/* --------------------------------------------------------------------------
   19. Form Fields (2.11)
   -------------------------------------------------------------------------- */
.form { display: grid; gap: var(--space-5); }
.form-row { display: grid; grid-template-columns: 1fr; gap: var(--space-5); }
.field { display: grid; gap: var(--space-2); }
.field__label {
  font-weight: 600;
  font-size: var(--fs-small);
  color: var(--color-ink);
}
.field__req { color: var(--color-clay); }
.field__control {
  width: 100%;
  background: var(--surface-raised);
  border: 1.5px solid var(--border-default);
  border-radius: var(--radius-md);
  padding: 0.8rem 1rem;
  font-size: var(--fs-body);
  color: var(--color-ink);
  transition: border-color var(--dur-base) var(--ease-standard),
              box-shadow var(--dur-base) var(--ease-standard);
}
.field__control::placeholder { color: var(--color-ink-muted); }
.field__control:focus {
  outline: none;
  border-color: var(--color-clay);
  box-shadow: var(--shadow-focus);
}
textarea.field__control { min-height: 140px; resize: vertical; }
select.field__control {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='9' viewBox='0 0 14 9' fill='none'%3E%3Cpath d='M1 1l6 6 6-6' stroke='%237A716A' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.75rem;
}
.field__error {
  font-size: var(--fs-small);
  color: var(--state-error);
  min-height: 0;
}
.field.is-invalid .field__control { border-color: var(--state-error); }
.field.is-valid .field__control { border-color: var(--state-success); }

.form-status {
  border-radius: var(--radius-md);
  padding: var(--space-4);
  font-size: var(--fs-body);
}
.form-status:empty { display: none; }
.form-status--success { background: var(--state-success-bg); color: var(--state-success); border: 1px solid #cbe0c2; }
.form-status--error { background: var(--state-error-bg); color: var(--state-error); border: 1px solid #e8c3ba; }

/* --------------------------------------------------------------------------
   20. Page hero (compact, non-home)
   -------------------------------------------------------------------------- */
.page-hero {
  position: relative;
  color: #fff;
  margin-top: calc(var(--header-h) * -1);
  padding-top: calc(var(--header-h) + var(--space-9));
  padding-bottom: var(--space-9);
  overflow: hidden;
}
.page-hero__media { position: absolute; inset: 0; z-index: 0; }
.page-hero__media img { width: 100%; height: 100%; object-fit: cover; }
.page-hero__media::after { content:""; position:absolute; inset:0; background: var(--overlay-hero); }
.page-hero__inner { position: relative; z-index: 1; max-width: 60ch; }
.page-hero .eyebrow { color: var(--color-clay-300); margin-bottom: var(--space-3); }
.page-hero__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--fs-h1);
  line-height: var(--lh-tight);
  letter-spacing: var(--ls-tight);
}
.page-hero__intro { margin-top: var(--space-4); font-size: var(--fs-lead); color: rgba(255,255,255,0.9); max-width: 54ch; }

/* Example-item chips (products page) — built from existing tokens */
.spec-chips {
  list-style: none;
  margin: var(--space-5) 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}
.spec-chips__label {
  display: block;
  font-size: var(--fs-eyebrow);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: var(--ls-eyebrow);
  color: var(--color-clay-700);
  margin-top: var(--space-5);
  margin-bottom: var(--space-2);
}
.spec-chips li {
  font-size: var(--fs-small);
  color: var(--color-ink-soft);
  background: var(--color-clay-050);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-pill);
  padding: 0.375rem 0.875rem;
}
.cat-actions { margin-top: var(--space-6); }

/* --------------------------------------------------------------------------
   21. Scroll reveal
   -------------------------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity var(--dur-reveal) var(--ease-out),
              transform var(--dur-reveal) var(--ease-out);
  will-change: opacity, transform;
}
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* --------------------------------------------------------------------------
   22. Responsive
   -------------------------------------------------------------------------- */
@media (min-width: 768px) {
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .badge-grid { grid-template-columns: repeat(2, 1fr); }
  .form-row--two { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr 1.2fr; }
  .infra-gallery { grid-template-columns: repeat(3, 1fr); }
  .brand__name {
    display: inline-block;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1rem;
    color: currentColor;
  }
}

@media (min-width: 1024px) {
  :root { --header-h: 76px; }
  .primary-nav { display: block; }
  .header-cta { display: inline-flex; }
  .nav-toggle { display: none; }

  .card-grid { grid-template-columns: repeat(3, 1fr); }
  .card-grid--4 { grid-template-columns: repeat(4, 1fr); }
  .stat-grid { grid-template-columns: repeat(5, 1fr); }
  .stat + .stat::before {
    content: "";
    position: absolute;
    left: 0; top: 50%;
    transform: translateY(-50%);
    height: 60%;
    width: 1px;
    background: var(--border-default);
  }
  .badge-grid { grid-template-columns: repeat(4, 1fr); }
  .feature-list { grid-template-columns: 1fr 1fr; gap: var(--space-6) var(--space-7); }

  .split { grid-template-columns: 1fr 1fr; }
  .split--reverse .split__media { order: 2; }

  /* Horizontal process stepper */
  .process { grid-template-columns: repeat(4, 1fr); gap: var(--space-5); }
  .process-step { grid-template-columns: 1fr; text-align: left; }
  .process::before {
    content: "";
    position: absolute;
    top: 24px;
    left: 8%;
    right: 8%;
    height: 2px;
    background: var(--color-clay-100);
    z-index: 0;
  }
  .process-step__badge { margin-bottom: var(--space-4); }
}

@media (min-width: 1440px) {
  .card-grid--4 { grid-template-columns: repeat(4, 1fr); }
}