/* ═══════════════════════════════════════════════════════
   ELSE HOME — Design System CSS
   Brand: Technical Minimalism
   Primary: Deep Navy #03163D  |  Accent: Deep Red #8A1002
═══════════════════════════════════════════════════════ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* Brand Colors */
  --navy:             #03163D;
  --navy-light:       #05236a;
  --red:              #8A1002;
  --red-hover:        #a31203;
  --surface:          #fcf9f8;
  --surface-low:      #f6f3f2;
  --surface-container:#f0edec;
  --surface-high:     #ebe7e7;
  --surface-highest:  #e5e2e1;
  --surface-dim:      #dcd9d9;
  --white:            #ffffff;
  --rich-black:       #141414;
  --text:             #1c1b1b;
  --text-muted:       #45464e;
  --outline:          #75777f;
  --outline-light:    #c5c6cf;

  /* Fonts */
  --font-head: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Spacing */
  --section-gap:      120px;
  --container-max:    1440px;
  --grid-margin:      64px;
  --gutter:           24px;

  /* Radius — minimal per brand */
  --r-sm:   2px;
  --r:      4px;
  --r-md:   6px;
  --r-lg:   8px;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  overflow-x: hidden;
  font-family: var(--font-body);
  background: var(--surface);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { display: block; max-width: 100%; }
a { text-decoration: none; }
button { cursor: pointer; font-family: inherit; }


/* ─── LAYOUT ─────────────────────────────────────────── */

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

.section      { padding: var(--section-gap) 0; }
.section-sm   { padding: 72px 0; }
.section-xs   { padding: 48px 0; }


/* ─── TYPOGRAPHY ─────────────────────────────────────── */

.h-xl {
  font-family: var(--font-head);
  font-size: clamp(40px, 5vw, 64px);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.025em;
  color: var(--navy);
}
.h-lg {
  font-family: var(--font-head);
  font-size: clamp(30px, 4vw, 48px);
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -0.015em;
  color: var(--navy);
}
.h-md {
  font-family: var(--font-head);
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--navy);
}
.h-sm {
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 500;
  line-height: 1.3;
  color: var(--navy);
}
.h-xs {
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.3;
  color: var(--navy);
}

.label-caps {
  font-family: var(--font-head);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--outline);
}

.body-lg { font-size: 18px; line-height: 1.65; color: var(--text-muted); }
.body-md { font-size: 16px; line-height: 1.65; color: var(--text-muted); }
.body-sm { font-size: 14px; line-height: 1.6;  color: var(--text-muted); }


/* ─── BUTTONS ────────────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  font-family: var(--font-head);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  border-radius: var(--r);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition:
    background-color 0.18s cubic-bezier(0.2, 0, 0, 1),
    color            0.18s cubic-bezier(0.2, 0, 0, 1),
    border-color     0.18s cubic-bezier(0.2, 0, 0, 1);
  white-space: nowrap;
}

.btn-primary {
  background: var(--navy);
  color: var(--white);
  border-color: var(--navy);
}
.btn-primary:hover  { background: var(--navy-light); border-color: var(--navy-light); }
.btn-primary:active { background: #021028; }
.btn-primary:focus-visible { outline: 2px solid var(--navy); outline-offset: 3px; }

.btn-outline {
  background: transparent;
  color: var(--navy);
  border-color: var(--navy);
}
.btn-outline:hover  { background: var(--navy); color: var(--white); }
.btn-outline:active { background: #021028; color: var(--white); }
.btn-outline:focus-visible { outline: 2px solid var(--navy); outline-offset: 3px; }

.btn-cta {
  background: var(--red);
  color: var(--white);
  border-color: var(--red);
}
.btn-cta:hover  { background: var(--red-hover); border-color: var(--red-hover); }
.btn-cta:active { background: #6b0d01; }
.btn-cta:focus-visible { outline: 2px solid var(--red); outline-offset: 3px; }

/* White filled — primary CTA on dark/navy backgrounds */
.btn-on-dark {
  background: var(--white);
  color: var(--navy);
  border-color: var(--white);
}
.btn-on-dark:hover  { background: #f0edec; border-color: #f0edec; }
.btn-on-dark:active { background: #e0dddc; border-color: #e0dddc; }
.btn-on-dark:focus-visible { outline: 2px solid white; outline-offset: 3px; }

.btn-ghost-light {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.35);
}
.btn-ghost-light:hover  { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.7); }
.btn-ghost-light:focus-visible { outline: 2px solid white; outline-offset: 3px; }

.btn-sm {
  padding: 9px 20px;
  font-size: 12px;
}

.btn-lg {
  padding: 16px 36px;
  font-size: 14px;
}


/* ─── NAVIGATION ─────────────────────────────────────── */

.site-nav {
  position: sticky;
  top: 0;
  z-index: 200;
  background: var(--surface);
  border-bottom: 1px solid var(--outline-light);
  backdrop-filter: blur(12px);
}

.nav-inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  height: 72px;
}

.nav-logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  justify-self: start;
}
.nav-logo svg { height: 18px; width: auto; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 40px;
  list-style: none;
  justify-self: center;
}

.nav-links a {
  font-family: var(--font-head);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--text);
  padding: 4px 0;
  border-bottom: 1.5px solid transparent;
  transition: color 0.15s, border-color 0.15s;
}
.nav-links a:hover        { color: var(--navy); }
.nav-links a.active       { color: var(--navy); border-color: var(--navy); }
.nav-links a:focus-visible { outline: 2px solid var(--navy); outline-offset: 4px; border-radius: 2px; }

.nav-actions { display: flex; align-items: center; gap: 12px; justify-self: end; }

/* ─── HAMBURGER BUTTON ───────────────────────────────── */

.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  padding: 8px;
  cursor: pointer;
  flex-shrink: 0;
  z-index: 301;
  position: relative;
}
.nav-hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--navy);
  transition: transform 0.25s ease, opacity 0.15s ease;
  transform-origin: center;
}
.nav-hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ─── MOBILE NAV OVERLAY ────────────────────────────── */

.mobile-nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--navy);
  z-index: 299;
  flex-direction: column;
  padding: 0 32px 48px;
  overflow-y: auto;
}

.mobile-nav-close {
  position: static;
  align-self: flex-end;
  flex-shrink: 0;
  margin: 14px 0 28px;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  background: rgba(255,255,255,0.1);
  border-radius: 50%;
  cursor: pointer;
  color: white;
  transition: background 0.15s;
}
.mobile-nav-close:hover { background: rgba(255,255,255,0.2); }
.mobile-nav-close svg { width: 20px; height: 20px; stroke: white; fill: none; stroke-width: 2; stroke-linecap: round; }
.mobile-nav-overlay.open { display: flex; }

.mobile-nav-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.mobile-nav-links li {
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.mobile-nav-links a {
  display: block;
  font-family: var(--font-head);
  font-size: clamp(28px, 7vw, 40px);
  font-weight: 600;
  color: rgba(255,255,255,0.75);
  padding: 20px 0;
  letter-spacing: -0.02em;
  transition: color 0.15s;
}
.mobile-nav-links a:hover { color: white; }
.mobile-nav-links a.active { color: white; }

.mobile-nav-cta {
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.mobile-nav-cta a {
  display: block;
  text-align: center;
  width: 100%;
}


/* ─── FOOTER ─────────────────────────────────────────── */

.site-footer {
  background: var(--navy);
  padding: 80px 0 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 64px;
  padding-bottom: 64px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-brand-logo { margin-bottom: 24px; }
.footer-brand-logo svg path { }

.footer-brand p {
  color: rgba(255,255,255,0.55);
  font-size: 14px;
  line-height: 1.7;
  max-width: 280px;
  margin-bottom: 20px;
}

.footer-brand .label-caps {
  color: rgba(255,255,255,0.25);
  display: block;
  margin-top: 24px;
}

.footer-col-head {
  font-family: var(--font-head);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.3);
  margin-bottom: 20px;
}

.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 12px; }
.footer-col ul li a {
  color: rgba(255,255,255,0.65);
  font-size: 14px;
  transition: color 0.15s;
}
.footer-col ul li a:hover { color: white; }
.footer-col ul li a:focus-visible { outline: 1px solid rgba(255,255,255,0.5); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 32px;
  font-size: 12px;
  color: rgba(255,255,255,0.3);
  font-family: var(--font-head);
  letter-spacing: 0.02em;
}


/* ─── PRODUCT CARDS ──────────────────────────────────── */

.product-card {
  display: flex;
  flex-direction: column;
  background: var(--white);
  border: 1px solid var(--surface-high);
  border-radius: var(--r-sm);
  overflow: hidden;
  transition: border-color 0.2s;
}
.product-card:hover { border-color: var(--outline-light); }

.product-card-image {
  aspect-ratio: 4 / 3;
  width: 100%;
  overflow: hidden;
  background: var(--white);
  border-bottom: 1px solid var(--surface-high);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.product-card-image img {
  position: absolute;
  inset: 0;
  margin: auto;
  width: 100%;
  height: 100%;
  max-width: 100%;
  max-height: 100%;
  object-fit: scale-down;
  object-position: center center;
  display: block;
  transition: transform 0.35s cubic-bezier(0.2, 0, 0, 1);
}
.product-card:hover .product-card-image img { transform: none; }

.product-card-image::after {
  display: none;
}

.product-card-body { padding: 20px 24px 24px; flex: 1; display: flex; flex-direction: column; }

.product-card-cat {
  font-family: var(--font-head);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--outline);
  margin-bottom: 8px;
}

.product-card-name {
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 500;
  color: var(--navy);
  margin-bottom: 8px;
  line-height: 1.3;
}

.product-card-desc {
  font-size: 13px;
  line-height: 1.55;
  color: var(--text-muted);
  flex: 1;
  margin-bottom: 16px;
}

.product-card-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-head);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--navy);
  border-bottom: 1px solid var(--outline-light);
  padding-bottom: 2px;
  transition: border-color 0.15s, color 0.15s;
  align-self: flex-start;
}
.product-card-cta:hover { color: var(--red); border-color: var(--red); }


/* ─── CATEGORY CARDS ─────────────────────────────────── */

.cat-card {
  display: block;
  position: relative;
  background: var(--surface-container);
  overflow: hidden;
  border-radius: var(--r-sm);
}

.cat-card-image {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--surface-high);
  border-bottom: none;
  display: flex;
  align-items: center;
  justify-content: center;
}
.cat-card-image img {
  position: absolute;
  inset: 0;
  margin: auto;
  width: 100%;
  height: 100%;
  max-width: 100%;
  max-height: 100%;
  object-fit: scale-down;
  object-position: center center;
  display: block;
  transition: transform 0.35s cubic-bezier(0.2, 0, 0, 1);
}
.cat-card:hover .cat-card-image img { transform: none; }

.cat-card-image::after {
  display: none;
}

.cat-card-body {
  padding: 24px 28px 28px;
  background: var(--white);
  border: 1px solid var(--surface-high);
  border-top: none;
}

.cat-count {
  font-family: var(--font-head);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--outline);
  margin-bottom: 8px;
}

.cat-name {
  font-family: var(--font-head);
  font-size: 22px;
  font-weight: 500;
  color: var(--navy);
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.cat-desc {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.cat-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-head);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--navy);
  transition: color 0.15s, gap 0.2s;
}
.cat-card:hover .cat-link { color: var(--red); gap: 10px; }


/* ─── SECTION HEADER ─────────────────────────────────── */

.section-label-row {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}

.section-label-row::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--outline-light);
}

.section-head { margin-bottom: 56px; }
.section-head.centered { text-align: center; }
.section-head.centered .section-label-row { justify-content: center; }
.section-head.centered .section-label-row::after { display: none; }


/* ─── TECHNICAL CALLOUT ──────────────────────────────── */

.callout-badge {
  display: inline-flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 16px;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(8px);
  border-left: 2px solid var(--red);
  border-radius: var(--r-sm);
}

.callout-badge .label-caps { color: var(--navy); }
.callout-badge p { font-size: 12px; color: var(--text-muted); margin-top: 3px; }


/* ─── SPEC TABLE ─────────────────────────────────────── */

.spec-table { width: 100%; border-collapse: collapse; }
.spec-table tr { border-bottom: 1px solid var(--surface-high); }
.spec-table tr:last-child { border-bottom: none; }
.spec-table td {
  padding: 11px 0;
  font-size: 14px;
  line-height: 1.5;
  vertical-align: top;
}
.spec-table td:first-child {
  font-family: var(--font-head);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--outline);
  width: 44%;
  padding-right: 16px;
}
.spec-table td:last-child { color: var(--text); }


/* ─── FABRIC SWATCHES ────────────────────────────────── */

.fabric-swatches { display: flex; flex-wrap: wrap; gap: 10px; }

.swatch {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  cursor: pointer;
}

.swatch-dot {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 2px solid transparent;
  outline: 1px solid rgba(0,0,0,0.08);
  transition: transform 0.15s, outline-color 0.15s, border-color 0.15s;
}
.swatch:hover .swatch-dot       { transform: scale(1.1); }
.swatch.active .swatch-dot      { border-color: var(--navy); transform: scale(1.08); }
.swatch:focus-visible .swatch-dot { outline-color: var(--navy); }

.swatch-name {
  font-family: var(--font-head);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  text-align: center;
  max-width: 52px;
}


/* ─── PROCESS STEPS ──────────────────────────────────── */

.steps-list { list-style: none; }

.step-item {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 28px;
  padding: 32px 0;
  border-bottom: 1px solid var(--surface-high);
}
.step-item:last-child { border-bottom: none; }

.step-num {
  font-family: var(--font-head);
  font-size: 48px;
  font-weight: 700;
  color: var(--surface-dim);
  line-height: 1;
  letter-spacing: -0.03em;
  padding-top: 4px;
}

.step-content {}
.step-title {
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 500;
  color: var(--navy);
  margin-bottom: 8px;
}
.step-desc { font-size: 15px; color: var(--text-muted); line-height: 1.65; }


/* ─── STATS ──────────────────────────────────────────── */

.stat-number {
  font-family: var(--font-head);
  font-size: clamp(36px, 4vw, 56px);
  font-weight: 700;
  color: var(--navy);
  letter-spacing: -0.03em;
  line-height: 1;
  display: block;
}

.stat-label {
  font-family: var(--font-head);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--outline);
  display: block;
  margin-top: 8px;
}


/* ─── SIDEBAR FILTERS ────────────────────────────────── */

.filter-label {
  font-family: var(--font-head);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--outline);
  margin-bottom: 12px;
  display: block;
}

.filter-list { list-style: none; margin-bottom: 32px; }
.filter-list li { margin-bottom: 4px; }

.filter-btn {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 8px 12px;
  border-radius: var(--r);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-head);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.filter-btn:hover   { background: var(--surface-container); color: var(--navy); }
.filter-btn.active  { background: var(--navy); color: var(--white); }
.filter-btn.active .filter-count { color: rgba(255,255,255,0.6); }

.filter-count {
  font-size: 11px;
  color: var(--outline-light);
  font-family: var(--font-head);
}


/* ─── ANIMATIONS ─────────────────────────────────────── */

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity  0.55s cubic-bezier(0.2, 0, 0.2, 1),
    transform 0.55s cubic-bezier(0.2, 0, 0.2, 1);
}
.reveal.visible { opacity: 1; transform: translateY(0); }

.reveal-delay-1 { transition-delay: 0.08s; }
.reveal-delay-2 { transition-delay: 0.16s; }
.reveal-delay-3 { transition-delay: 0.24s; }
.reveal-delay-4 { transition-delay: 0.32s; }




/* ─── PAGE HEADER ────────────────────────────────────── */

.page-header {
  padding: 72px 0 56px;
  border-bottom: 1px solid var(--outline-light);
  background: var(--white);
}

.page-header-inner {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
}

.page-header-count {
  font-family: var(--font-head);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--outline);
  white-space: nowrap;
}


/* ─── FEATURE LIST ───────────────────────────────────── */

.feature-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.55;
}

.feature-list li::before {
  content: '';
  width: 5px;
  height: 5px;
  background: var(--red);
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 7px;
}


/* ─── DARK SECTION ───────────────────────────────────── */

.dark-section {
  background: var(--navy);
  color: var(--white);
}

.dark-section .h-xl,
.dark-section .h-lg,
.dark-section .h-md,
.dark-section .h-sm { color: var(--white); }

.dark-section .label-caps { color: rgba(255,255,255,0.4); }
.dark-section .body-lg,
.dark-section .body-md { color: rgba(255,255,255,0.65); }


/* ─── DIVIDER ────────────────────────────────────────── */

.divider { height: 1px; background: var(--outline-light); }
.divider-navy { height: 1px; background: rgba(255,255,255,0.1); }


/* ─── PILL/TAG ───────────────────────────────────────── */

.tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  background: var(--surface-container);
  border: 1px solid var(--outline-light);
  border-radius: var(--r-lg);
  font-family: var(--font-head);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}


/* ─── LAYER DIAGRAM ──────────────────────────────────── */

.layer-diagram { display: flex; flex-direction: column; gap: 0; }

.layer-row {
  display: grid;
  grid-template-columns: 1fr 180px;
  align-items: center;
  gap: 24px;
}

.layer-bar {
  height: 32px;
  border-radius: 0;
  display: flex;
  align-items: center;
  padding: 0 14px;
}

.layer-bar .label-caps { font-size: 10px; }

.layer-meta {
  font-family: var(--font-head);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--outline);
  text-transform: uppercase;
  text-align: right;
}


/* ─── CONTACT FORM ───────────────────────────────────── */

.form-field { margin-bottom: 20px; }

.form-field label {
  display: block;
  font-family: var(--font-head);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--outline);
  margin-bottom: 8px;
}

.form-field input,
.form-field textarea,
.form-field select {
  width: 100%;
  padding: 12px 14px;
  background: var(--white);
  border: 1px solid var(--outline-light);
  border-radius: var(--r);
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--text);
  transition: border-color 0.15s;
  outline: none;
}

.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus {
  border-color: var(--navy);
}

.form-field textarea { resize: vertical; min-height: 120px; }


/* ─── RESPONSIVE ─────────────────────────────────────── */

@media (max-width: 1200px) {
  :root { --grid-margin: 48px; }
}

@media (max-width: 900px) {
  :root {
    --section-gap:  80px;
    --grid-margin:  32px;
  }

  .nav-links { display: none; }
  .nav-actions { display: none; }
  .nav-hamburger { display: flex; grid-column: 3; justify-self: end; }

  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
}

@media (max-width: 640px) {
  :root {
    --section-gap:  60px;
    --grid-margin:  20px;
  }

  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }

  /* Process steps — tighter number column */
  .step-item { grid-template-columns: 48px 1fr; gap: 14px; }
  .step-num { font-size: 36px; }

  /* Spec table — prevent overflow */
  .spec-table { table-layout: fixed; width: 100%; }

  /* Engineering features — single col */
  .eng-features-grid { grid-template-columns: 1fr !important; }
}

/* Prevent grid children from blowing out their containers */
.container > *, [class*="-inner"] > *, [class*="-grid"] > * {
  min-width: 0;
}

/* ── LANG TOGGLE ─────────────────────────────────────────── */
.lang-toggle { display: flex; align-items: center; gap: 6px; }
.lang-sep { color: rgba(3,22,61,0.25); font-size: 12px; line-height: 1; }
.lang-btn {
  background: none; border: none; cursor: pointer;
  font-family: var(--font-head); font-size: 13px; font-weight: 500;
  color: rgba(3,22,61,0.4); padding: 0; letter-spacing: 0.04em;
  transition: color 0.15s;
}
.lang-btn:hover { color: rgba(3,22,61,0.7); }
.lang-btn.active { color: var(--navy); font-weight: 700; }

.mobile-nav-overlay .lang-sep { color: rgba(255,255,255,0.25); }
.mobile-nav-overlay .lang-btn { color: rgba(255,255,255,0.4); }
.mobile-nav-overlay .lang-btn:hover { color: rgba(255,255,255,0.7); }
.mobile-nav-overlay .lang-btn.active { color: #fff; font-weight: 700; }

/* ── OPTION CHIPS ────────────────────────────────────────── */
.option-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 4px; }
.option-chip {
  display: inline-flex; align-items: center;
  padding: 5px 12px;
  background: var(--surface-container);
  border: 1px solid var(--surface-high);
  font-family: var(--font-head); font-size: 11px; font-weight: 600;
  letter-spacing: 0.03em; color: var(--navy); white-space: nowrap;
}

/* ── Touch targets ───────────────────────────────────────────
   On touch devices the pointer is a fingertip, not a cursor, so the
   small type used across the nav, filters and card links leaves hit
   areas well under the ~44px guidance. Grow the padding only where the
   pointer is coarse: desktop rendering is untouched. */
@media (hover: none) and (pointer: coarse) {
  .lang-btn        { padding: 12px 10px; }
  .nav-links a     { padding: 12px 0; }
  .footer-col ul li a,
  .product-card-cta { padding-top: 10px; padding-bottom: 10px; }
  .filter-btn      { padding: 13px 12px; }
  .gallery-arrow   { width: 44px; height: 44px; }
}

/* ── Stats strip ─────────────────────────────────────────────
   Shared by the homepage and the about page. */
.about-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1px;
  background: var(--outline-light);
}
.about-stats-grid > * {
  min-width: 0;
  overflow-wrap: break-word;
}
@media (max-width: 900px) {
  .about-stats-grid { grid-template-columns: repeat(2, 1fr); }
  .about-stats-grid > *:last-child:nth-child(odd) {
    grid-column: 1 / -1;
  }
}
@media (max-width: 480px) {
  .about-stats-grid { grid-template-columns: 1fr 1fr; }
  .about-stats-grid > *:last-child:nth-child(odd) {
    grid-column: 1 / -1;
  }
}
@keyframes site-content-shimmer {
  100% {
    transform: translateX(100%);
  }
}

.about-stats-grid[data-site-loading],
[data-site-content][aria-busy="true"],
#catGrid[aria-busy="true"],
#productsGrid[aria-busy="true"] {
  position: relative;
  overflow: hidden;
}

.about-stats-grid[data-site-loading]::after,
[data-site-content][aria-busy="true"]::after,
#catGrid[aria-busy="true"]::after,
#productsGrid[aria-busy="true"]::after {
  position: absolute;
  z-index: 2;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(130, 152, 135, 0.18), transparent);
  content: "";
  transform: translateX(-100%);
  animation: site-content-shimmer 1.3s infinite;
}

.about-stats-grid[data-site-loading] > *,
[data-site-content][aria-busy="true"] > *,
#catGrid[aria-busy="true"] > *,
#productsGrid[aria-busy="true"] > * {
  visibility: hidden;
}