/* ============================================================
   UNIDUS ACOUSTICS — style.css
   Token layer + all component + page styles.
   Mobile-first. No inline styles anywhere.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,500;0,600;0,700;1,400&family=Inter:wght@300;400;500;600&family=DM+Sans:wght@400;500;600;700&display=swap');

/* ---- Tokens ---- */
:root {
  --ink-900:        #161413;
  --ink-700:        #2A2725;
  --ink-500:        #6B655F;
  --ink-300:        #B9B1A6;
  --ink-100:        #E7DFD3;

  --paper:          #FAF7F2;
  --paper-deep:     #F2ECE2;
  --cream:          #F6F1EA;
  --peach-mist:     #F4DDCD;
  --peach-deep:     #E8C0A4;
  --terracotta:     #C75A3C;
  --terracotta-700: #A24326;
  --sand:           #E5D9C6;
  --sage:           #4B5742;
  --slate-blue:     #2F4858;

  --fg-1:           var(--ink-900);
  --fg-2:           var(--ink-700);
  --fg-muted:       var(--ink-500);
  --fg-on-dark:     var(--paper);
  --bg-1:           var(--paper);
  --bg-2:           var(--paper-deep);
  --bg-3:           var(--cream);
  --bg-inverse:     var(--ink-900);
  --bg-accent-soft: var(--peach-mist);
  --border-soft:    var(--ink-100);
  --border-strong:  var(--ink-300);
  --border-on-dark: rgba(255,255,255,0.10);
  --link:           var(--ink-900);
  --link-hover:     var(--terracotta-700);

  --font-display:   'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-body:      'Inter', system-ui, -apple-system, sans-serif;
  --font-ui:        'DM Sans', 'Inter', system-ui, sans-serif;

  --fs-display-1:   clamp(2.75rem, 5.4vw + 0.5rem, 5.5rem);
  --fs-display-2:   clamp(2.25rem, 3.6vw + 0.5rem, 4rem);
  --fs-h1:          clamp(2rem, 2.4vw + 1rem, 3.25rem);
  --fs-h2:          clamp(1.625rem, 1.4vw + 1rem, 2.5rem);
  --fs-h3:          clamp(1.25rem, 0.8vw + 0.9rem, 1.75rem);
  --fs-h4:          1.125rem;
  --fs-eyebrow:     0.75rem;
  --fs-body-lg:     1.125rem;
  --fs-body:        1rem;
  --fs-body-sm:     0.9375rem;
  --fs-caption:     0.8125rem;

  --lh-display:     1.05;
  --lh-heading:     1.15;
  --lh-body:        1.65;
  --lh-tight:       1.3;

  --tracking-display: -0.015em;
  --tracking-eyebrow: 0.14em;

  --space-1:   0.25rem;
  --space-2:   0.5rem;
  --space-3:   0.75rem;
  --space-4:   1rem;
  --space-5:   1.25rem;
  --space-6:   1.5rem;
  --space-8:   2rem;
  --space-10:  2.5rem;
  --space-12:  3rem;
  --space-16:  4rem;
  --space-20:  5rem;
  --space-24:  6rem;
  --space-32:  8rem;
  --section-y: clamp(4rem, 6vw, 7rem);
  --container-max:  1280px;
  --container-pad:  clamp(1.25rem, 4vw, 3rem);

  --radius-2:  4px;
  --radius-3:  8px;
  --radius-4:  14px;
  --radius-pill: 999px;

  --shadow-1:  0 1px 2px rgba(22,20,19,0.04), 0 1px 1px rgba(22,20,19,0.03);
  --shadow-2:  0 4px 14px rgba(22,20,19,0.07), 0 1px 3px rgba(22,20,19,0.04);
  --shadow-3:  0 14px 32px rgba(22,20,19,0.10), 0 4px 10px rgba(22,20,19,0.05);

  --ease-out:   cubic-bezier(0.2, 0.7, 0.2, 1);
  --ease-spring: cubic-bezier(0.34, 1.3, 0.64, 1);
  --dur-quick:  120ms;
  --dur-base:   220ms;
  --dur-slow:   420ms;

  --z-nav: 200;
}

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

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--fg-1);
  background: var(--bg-1);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, video { display: block; max-width: 100%; }
a { color: var(--link); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; transition: color var(--dur-quick) var(--ease-out); }
a:hover { color: var(--link-hover); }
ul { list-style: none; }
button { cursor: pointer; font-family: var(--font-ui); }
::selection { background: var(--peach-mist); color: var(--ink-900); }

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 500;
  color: var(--ink-900);
  letter-spacing: var(--tracking-display);
  line-height: var(--lh-heading);
  text-wrap: balance;
}
h4, h5 { font-family: var(--font-ui); font-weight: 600; color: var(--ink-900); }
h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }
h4 { font-size: var(--fs-h4); }
p { max-width: 68ch; text-wrap: pretty; }

hr { border: 0; border-top: 1px solid var(--border-soft); margin: var(--space-8) 0; }

/* ---- Layout utilities ---- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: var(--container-pad);
  padding-right: var(--container-pad);
}
.container--narrow { max-width: 860px; margin: 0 auto; padding-left: var(--container-pad); padding-right: var(--container-pad); }

.section { padding-top: var(--section-y); padding-bottom: var(--section-y); }
.section--cream { background: var(--cream); }
.section--paper-deep { background: var(--paper-deep); }
.section--dark { background: var(--bg-inverse); color: var(--fg-on-dark); }
.section--peach { background: var(--peach-mist); }

/* ---- Typography utilities ---- */
.u-eyebrow {
  font-family: var(--font-ui);
  font-size: var(--fs-eyebrow);
  font-weight: 600;
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--fg-muted);
  display: flex;
  align-items: center;
  gap: 0.625rem;
  margin-bottom: var(--space-3);
}
.u-eyebrow--light { color: rgba(250,247,242,0.70); }
.u-eyebrow--peach { color: var(--peach-mist); }

.u-eyebrow svg { flex-shrink: 0; }

.u-display-1 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--fs-display-1);
  line-height: var(--lh-display);
  letter-spacing: var(--tracking-display);
  text-wrap: balance;
}
.u-display-2 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--fs-display-2);
  line-height: var(--lh-display);
  letter-spacing: var(--tracking-display);
  text-wrap: balance;
}
em.accent {
  font-style: italic;
  font-weight: 400;
  color: inherit;
}

.lede { font-size: var(--fs-body-lg); color: var(--fg-2); line-height: 1.6; }
.lede--light { color: rgba(250,247,242,0.82); }

.section-header { margin-bottom: clamp(2.5rem, 4vw, 4rem); }
.section-header--center { text-align: center; }
.section-header--center p { margin-left: auto; margin-right: auto; }

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 0.875rem;
  letter-spacing: 0.02em;
  border-radius: var(--radius-2);
  border: none;
  padding: 0.8125rem 1.375rem;
  text-decoration: none;
  transition: background var(--dur-quick) var(--ease-out), color var(--dur-quick) var(--ease-out), transform var(--dur-quick) var(--ease-out);
  white-space: nowrap;
}
.btn:active { transform: scale(0.98); }
.btn--primary { background: var(--terracotta); color: var(--paper); }
.btn--primary:hover { background: var(--terracotta-700); color: var(--paper); }
.btn--ink { background: var(--ink-900); color: var(--paper); }
.btn--ink:hover { background: var(--ink-700); color: var(--paper); }
.btn--peach { background: var(--peach-mist); color: var(--ink-900); }
.btn--peach:hover { background: var(--peach-deep); color: var(--ink-900); }
.btn--ghost { background: transparent; color: var(--ink-900); border: 1px solid var(--ink-900); }
.btn--ghost:hover { background: var(--ink-900); color: var(--paper); }
.btn--ghost-light { background: transparent; color: var(--paper); border: 1px solid rgba(250,247,242,0.4); }
.btn--ghost-light:hover { background: rgba(250,247,242,0.12); color: var(--paper); }
.btn--sm { padding: 0.5625rem 1rem; font-size: 0.75rem; }
.btn--lg { padding: 1rem 1.75rem; font-size: 0.9375rem; }
.btn .arrow { transition: transform var(--dur-base) var(--ease-out); }
.btn:hover .arrow { transform: translateX(3px); }

/* ---- Badges ---- */
.badge {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-ui);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.25rem 0.625rem;
  border-radius: var(--radius-pill);
  line-height: 1;
}
.badge--dark { background: var(--ink-900); color: var(--paper); }
.badge--peach { background: var(--peach-mist); color: var(--ink-900); }
.badge--terracotta { background: var(--terracotta); color: var(--paper); }

/* ============================================================
   SITE HEADER / NAV
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-nav);
  background: var(--peach-mist);
  border-bottom: 1px solid rgba(22,20,19,0.06);
  transition: background var(--dur-base) var(--ease-out), backdrop-filter var(--dur-base) var(--ease-out);
}
.site-header.is-scrolled {
  background: rgba(244,221,205,0.80);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  padding-top: 0.875rem;
  padding-bottom: 0.875rem;
}

.nav-logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
}
.nav-logo img { height: 36px; width: auto; }

.nav-links {
  display: none;
  align-items: center;
  gap: 1.75rem;
}
.nav-links a {
  font-family: var(--font-ui);
  font-weight: 500;
  font-size: 0.875rem;
  color: var(--ink-900);
  text-decoration: none;
  position: relative;
  padding-bottom: 2px;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--ink-900);
  transition: width var(--dur-base) var(--ease-out);
}
.nav-links a:hover::after,
.nav-links a.is-active::after { width: 100%; }
.nav-links a:hover { color: var(--ink-900); }

.nav-actions {
  display: none;
  align-items: center;
  gap: var(--space-4);
}
.nav-phone {
  font-family: var(--font-ui);
  font-size: 0.8125rem;
  color: var(--ink-900);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.375rem;
}
.nav-phone:hover { color: var(--terracotta-700); }

/* Mobile hamburger */
.nav-hamburger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 6px;
  margin-left: auto;
}
.nav-hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--ink-900);
  border-radius: 2px;
  transition: transform var(--dur-base) var(--ease-out), opacity var(--dur-base);
}
.nav-hamburger[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-hamburger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-hamburger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* Mobile menu drawer */
.nav-mobile {
  display: none;
  flex-direction: column;
  padding: var(--space-4) var(--container-pad) var(--space-6);
  border-top: 1px solid rgba(22,20,19,0.08);
  gap: var(--space-1);
}
.nav-mobile.is-open { display: flex; }
.nav-mobile a {
  font-family: var(--font-ui);
  font-weight: 500;
  font-size: 1rem;
  color: var(--ink-900);
  text-decoration: none;
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--border-soft);
}
.nav-mobile a:last-of-type { border-bottom: none; }
.nav-mobile .btn { margin-top: var(--space-4); width: 100%; justify-content: center; }

@media (min-width: 768px) {
  .nav-links { display: flex; }
  .nav-actions { display: flex; }
  .nav-hamburger { display: none; }
  .nav-logo img { height: 40px; }
}

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero {
  position: relative;
  min-height: clamp(480px, 75vh, 780px);
  overflow: hidden;
  background: var(--ink-700);
}
.hero__bg {
  position: absolute;
  inset: 0;
  background-image: url('https://unidusacoustics.com/wp-content/uploads/2024/07/Embossed-Bamboo-Wall.jpg');
  background-size: cover;
  background-position: center 40%;
  background-color: var(--ink-700);
  transform-origin: center;
}
.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(22,20,19,0.15) 0%, rgba(22,20,19,0.62) 100%);
}
.hero__content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: clamp(480px, 75vh, 780px);
  padding-bottom: clamp(2.5rem, 5vw, 5rem);
  padding-top: var(--space-20);
  color: var(--paper);
}
.hero__content .u-eyebrow { margin-bottom: var(--space-4); }
.hero__headline { color: var(--paper); margin-bottom: var(--space-5); max-width: 820px; }
.hero__lede { margin-bottom: var(--space-8); max-width: 520px; }
.hero__cta { display: flex; flex-wrap: wrap; gap: var(--space-3); }

/* ============================================================
   STATS BAR
   ============================================================ */
.stats-bar {
  background: var(--ink-900);
  color: var(--paper);
  padding: var(--space-5) 0;
}
.stats-bar__inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-8) var(--space-12);
}
.stat-item { text-align: center; }
.stat-item__number {
  font-family: var(--font-display);
  font-size: clamp(1.625rem, 2.5vw, 2.25rem);
  font-weight: 500;
  color: var(--peach-mist);
  line-height: 1;
  margin-bottom: var(--space-1);
}
.stat-item__label {
  font-family: var(--font-ui);
  font-size: var(--fs-caption);
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--ink-300);
}

/* ============================================================
   PRODUCT RANGE GRID
   ============================================================ */
.product-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}
.product-card {
  position: relative;
  overflow: hidden;
  background: var(--paper-deep);
  border: 1px solid var(--border-soft);
  text-decoration: none;
  color: var(--ink-900);
  display: block;
}
.product-card__media {
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--sand);
  position: relative;
}
.product-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--dur-slow) var(--ease-out);
}
.product-card:hover .product-card__media img { transform: scale(1.04); }

/* Placeholder gradient for product cards without photos */
.product-card__media--placeholder {
  background: linear-gradient(135deg, var(--sand) 0%, var(--peach-mist) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}
.product-card__media--placeholder svg { opacity: 0.25; }

.product-card__body { padding: var(--space-5) var(--space-5) var(--space-6); }
.product-card__range {
  font-family: var(--font-ui);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: var(--space-2);
}
.product-card__name {
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  font-weight: 500;
  line-height: var(--lh-heading);
  color: var(--ink-900);
  margin-bottom: var(--space-2);
  letter-spacing: var(--tracking-display);
  text-wrap: balance;
}
.product-card:hover .product-card__name { text-decoration: underline; text-underline-offset: 3px; }
.product-card__meta {
  font-family: var(--font-body);
  font-size: var(--fs-caption);
  color: var(--fg-muted);
  margin-bottom: var(--space-4);
}
.product-card__link {
  font-family: var(--font-ui);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--ink-900);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  letter-spacing: 0.01em;
}
.product-card__link .arrow { transition: transform var(--dur-base) var(--ease-out); }
.product-card:hover .product-card__link .arrow { transform: translateX(4px); }

@media (min-width: 640px) {
  .product-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .product-grid { grid-template-columns: repeat(3, 1fr); }
}

/* ============================================================
   PROMISE / DIFFERENCE SECTION (2-col split)
   ============================================================ */
.promise-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
  align-items: center;
}
.promise-split__image {
  aspect-ratio: 4/5;
  overflow: hidden;
  background: var(--sand);
  border-radius: var(--radius-3);
}
.promise-split__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.promise-list { margin-top: var(--space-8); }
.promise-item {
  display: flex;
  gap: var(--space-4);
  padding: var(--space-5) 0;
  border-top: 1px solid var(--border-soft);
}
.promise-item:last-child { border-bottom: 1px solid var(--border-soft); }
.promise-item__icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--peach-mist);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--terracotta);
}
.promise-item__title {
  font-family: var(--font-ui);
  font-size: var(--fs-h4);
  font-weight: 600;
  color: var(--ink-900);
  margin-bottom: var(--space-1);
}
.promise-item__body {
  font-size: var(--fs-body-sm);
  color: var(--fg-2);
  line-height: var(--lh-body);
}

@media (min-width: 1024px) {
  .promise-split { grid-template-columns: 1fr 1fr; }
}

/* ============================================================
   SAMPLE CTA STRIPE
   ============================================================ */
.sample-stripe {
  background: var(--ink-900);
  padding: clamp(2.5rem, 4vw, 4rem) 0;
}
.sample-stripe__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  align-items: flex-start;
}
.sample-stripe__text .u-display-2 { color: var(--paper); margin-bottom: var(--space-3); }
.sample-stripe__text p { color: rgba(250,247,242,0.72); max-width: 54ch; }
.sample-stripe__actions { display: flex; flex-wrap: wrap; gap: var(--space-3); }

@media (min-width: 768px) {
  .sample-stripe__inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
  .sample-stripe__actions { flex-shrink: 0; }
}

/* ============================================================
   SERVICES GRID
   ============================================================ */
.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}
.service-item__icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--peach-mist);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--terracotta);
  margin-bottom: var(--space-5);
}
.service-item__name {
  font-family: var(--font-ui);
  font-size: var(--fs-h4);
  font-weight: 600;
  color: var(--ink-900);
  margin-bottom: var(--space-2);
}
.service-item__body { font-size: var(--fs-body-sm); color: var(--fg-2); line-height: var(--lh-body); }

@media (min-width: 640px) { .services-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .services-grid { grid-template-columns: repeat(3, 1fr); } }

/* ============================================================
   CLIENT LOGOS STRIP
   ============================================================ */
.clients-section { padding: var(--space-12) 0; border-top: 1px solid var(--border-soft); border-bottom: 1px solid var(--border-soft); }
.clients-label {
  font-family: var(--font-ui);
  font-size: var(--fs-eyebrow);
  font-weight: 600;
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--fg-muted);
  text-align: center;
  margin-bottom: var(--space-8);
}
.clients-logos {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-5) var(--space-8);
  justify-content: center;
  align-items: center;
}
.client-name {
  font-family: var(--font-display);
  font-size: clamp(0.875rem, 1.4vw, 1.1875rem);
  font-weight: 400;
  font-style: italic;
  color: var(--ink-500);
  transition: color var(--dur-quick) var(--ease-out);
  white-space: nowrap;
}
.client-name:hover { color: var(--ink-900); }

/* ============================================================
   FAQ / AEO SECTION
   ============================================================ */
.faq-list { border-top: 1px solid var(--border-soft); }
.faq-item { border-bottom: 1px solid var(--border-soft); }
.faq-question {
  width: 100%;
  background: none;
  border: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  text-align: left;
  padding: var(--space-5) 0;
  font-family: var(--font-ui);
  font-size: var(--fs-h4);
  font-weight: 600;
  color: var(--ink-900);
  line-height: var(--lh-tight);
}
.faq-question svg { flex-shrink: 0; transition: transform var(--dur-base) var(--ease-out); color: var(--fg-muted); }
.faq-item.is-open .faq-question svg { transform: rotate(45deg); }
.faq-answer {
  overflow: hidden;
  max-height: 0;
  transition: max-height var(--dur-slow) var(--ease-out);
}
.faq-answer-inner { padding-bottom: var(--space-6); }
.faq-answer-inner p { font-size: var(--fs-body-sm); color: var(--fg-2); line-height: var(--lh-body); max-width: 72ch; }
.faq-answer-inner p + p { margin-top: var(--space-3); }

/* ============================================================
   ABOUT / FOUNDER SNIPPET
   ============================================================ */
.founder-strip {
  background: var(--peach-mist);
  padding: clamp(3rem, 5vw, 5rem) 0;
}
.founder-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  align-items: center;
}
.founder-inner blockquote {
  font-family: var(--font-display);
  font-size: var(--fs-h2);
  font-weight: 500;
  line-height: var(--lh-heading);
  letter-spacing: var(--tracking-display);
  color: var(--ink-900);
  text-wrap: balance;
}
.founder-inner blockquote em { font-style: italic; font-weight: 400; }
.founder-inner blockquote footer {
  font-family: var(--font-ui);
  font-size: var(--fs-caption);
  font-weight: 600;
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-top: var(--space-6);
}
.founder-inner blockquote footer::before { content: ''; display: block; width: 32px; height: 1px; background: var(--ink-300); margin-bottom: var(--space-3); }
.founder-stats { display: flex; flex-direction: column; gap: var(--space-6); }
.founder-stat__val {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 500;
  color: var(--terracotta);
  line-height: 1;
  letter-spacing: var(--tracking-display);
}
.founder-stat__desc { font-size: var(--fs-body-sm); color: var(--fg-2); margin-top: var(--space-1); }

@media (min-width: 768px) {
  .founder-inner { grid-template-columns: 3fr 2fr; }
  .founder-stats { flex-direction: row; flex-wrap: wrap; gap: var(--space-8); }
}

/* ============================================================
   SITE FOOTER
   ============================================================ */
.site-footer {
  background: var(--bg-inverse);
  color: var(--paper);
  padding-top: clamp(3.5rem, 6vw, 5rem);
  padding-bottom: var(--space-8);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  margin-bottom: var(--space-12);
}
.footer-brand__logo img { height: 38px; width: auto; filter: invert(1); margin-bottom: var(--space-5); }
.footer-brand__tagline {
  font-size: var(--fs-body-sm);
  line-height: 1.7;
  color: var(--ink-300);
  max-width: 28ch;
  margin-bottom: var(--space-5);
}
.footer-contact a {
  display: block;
  font-family: var(--font-ui);
  font-size: var(--fs-body-sm);
  color: var(--paper);
  text-decoration: none;
  line-height: 1.9;
  transition: color var(--dur-quick) var(--ease-out);
}
.footer-contact a:hover { color: var(--peach-mist); }

.footer-col-title {
  font-family: var(--font-ui);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--ink-300);
  margin-bottom: var(--space-5);
}
.footer-nav-list a {
  display: block;
  font-size: var(--fs-body-sm);
  color: var(--paper);
  text-decoration: none;
  line-height: 2;
  transition: color var(--dur-quick) var(--ease-out);
}
.footer-nav-list a:hover { color: var(--peach-mist); }

/* Footer sample form */
.footer-form { display: flex; flex-direction: column; gap: 0; }
.footer-field {
  width: 100%;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--ink-700);
  padding: var(--space-3) 0;
  color: var(--paper);
  font-family: var(--font-body);
  font-size: var(--fs-body-sm);
  outline: none;
  transition: border-color var(--dur-quick) var(--ease-out);
}
.footer-field::placeholder { color: var(--ink-500); }
.footer-field:focus { border-bottom-color: var(--peach-mist); }
.footer-form .btn { margin-top: var(--space-5); }

.footer-bottom {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding-top: var(--space-6);
  border-top: 1px solid var(--ink-700);
  font-family: var(--font-ui);
  font-size: var(--fs-caption);
  color: var(--ink-300);
}
.footer-bottom a { color: var(--ink-300); text-decoration: none; }
.footer-bottom a:hover { color: var(--peach-mist); }
.footer-cities { line-height: 1.7; }

@media (min-width: 640px) {
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .footer-grid { grid-template-columns: 1.8fr 1fr 1fr 1.5fr; }
  .footer-bottom { flex-direction: row; justify-content: space-between; align-items: flex-start; }
}

/* ============================================================
   FLOATING WHATSAPP BUTTON
   ============================================================ */
.whatsapp-float {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 300;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: #25D366;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-3);
  text-decoration: none;
  transition: transform var(--dur-quick) var(--ease-out), background var(--dur-quick) var(--ease-out);
}
.whatsapp-float:hover { background: #1ebe5e; transform: scale(1.07); color: inherit; }
.whatsapp-float svg { display: block; }

/* ============================================================
   SCROLL REVEAL — initial hidden states
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(20px);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity var(--dur-slow) var(--ease-out), transform var(--dur-slow) var(--ease-out);
}
.reveal-delay-1 { transition-delay: 80ms; }
.reveal-delay-2 { transition-delay: 160ms; }
.reveal-delay-3 { transition-delay: 240ms; }
.reveal-delay-4 { transition-delay: 320ms; }

/* ============================================================
   REDUCED MOTION
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}

/* ============================================================
   UTILITY HELPERS
   ============================================================ */
.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
}
.text-center { text-align: center; }
.mt-section { margin-top: var(--section-y); }
.gap-btn { display: flex; flex-wrap: wrap; gap: var(--space-3); }

/* ============================================================
   BREADCRUMB
   ============================================================ */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
  align-items: center;
  font-family: var(--font-ui);
  font-size: var(--fs-caption);
  color: var(--fg-muted);
  padding: var(--space-4) 0;
}
.breadcrumb a { color: var(--fg-muted); text-decoration: none; }
.breadcrumb a:hover { color: var(--ink-900); }
.breadcrumb__sep { color: var(--ink-300); font-size: 0.625rem; }
.breadcrumb--light { color: rgba(250,247,242,0.65); }
.breadcrumb--light a { color: rgba(250,247,242,0.65); }
.breadcrumb--light a:hover { color: var(--paper); }
.breadcrumb--light .breadcrumb__sep { color: rgba(250,247,242,0.35); }

/* ============================================================
   PRODUCT PAGE HERO (compact — not full viewport)
   ============================================================ */
.page-hero {
  position: relative;
  background: var(--ink-900);
  overflow: hidden;
  padding: clamp(3rem, 6vw, 5.5rem) 0 clamp(2.5rem, 5vw, 4.5rem);
}
.page-hero__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center 40%;
  opacity: 0.28;
}
.page-hero__content { position: relative; z-index: 2; }
.page-hero .breadcrumb { margin-bottom: var(--space-4); }
.page-hero h1 { color: var(--paper); margin-bottom: var(--space-4); }
.page-hero .lede { color: rgba(250,247,242,0.78); margin-bottom: var(--space-6); max-width: 58ch; }
.page-hero__pills {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}
.page-hero__pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-ui);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.4375rem 0.875rem;
  border: 1px solid rgba(250,247,242,0.22);
  border-radius: var(--radius-pill);
  color: rgba(250,247,242,0.85);
  letter-spacing: 0.02em;
}
.page-hero__pill svg { color: var(--peach-mist); }

/* ============================================================
   FILTER TABS
   ============================================================ */
.filter-bar {
  position: sticky;
  top: 60px;
  z-index: 50;
  background: var(--paper);
  border-bottom: 1px solid var(--border-soft);
  padding: 0;
}
.filter-bar__inner {
  display: flex;
  gap: 0;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
  padding: 0;
}
.filter-bar__inner::-webkit-scrollbar { display: none; }
.filter-tab {
  flex-shrink: 0;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  font-family: var(--font-ui);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--fg-muted);
  padding: 0.875rem var(--space-5);
  cursor: pointer;
  white-space: nowrap;
  transition: color var(--dur-quick) var(--ease-out), border-color var(--dur-quick) var(--ease-out);
}
.filter-tab:hover { color: var(--ink-900); }
.filter-tab.is-active {
  color: var(--ink-900);
  border-bottom-color: var(--terracotta);
  font-weight: 600;
}

/* ============================================================
   CATALOGUE GRID + CARDS
   ============================================================ */
.catalogue-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}
@media (min-width: 640px) { .catalogue-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .catalogue-grid { grid-template-columns: repeat(3, 1fr); } }

.catalogue-card {
  display: flex;
  flex-direction: column;
  background: var(--paper);
  border: 1px solid var(--border-soft);
  text-decoration: none;
  color: var(--ink-900);
  transition: border-color var(--dur-base) var(--ease-out);
}
.catalogue-card:hover { border-color: var(--ink-300); }

.catalogue-card__media {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--sand);
}
.catalogue-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--dur-slow) var(--ease-out);
}
.catalogue-card:hover .catalogue-card__media img { transform: scale(1.04); }

.catalogue-card__badges {
  position: absolute;
  top: var(--space-3);
  left: var(--space-3);
  display: flex;
  gap: var(--space-2);
  z-index: 1;
}

.catalogue-card__body {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: var(--space-5) var(--space-5) var(--space-4);
}
.catalogue-card__range {
  font-family: var(--font-ui);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: var(--space-2);
}
.catalogue-card__name {
  font-family: var(--font-display);
  font-size: clamp(1.125rem, 1.5vw, 1.375rem);
  font-weight: 500;
  letter-spacing: var(--tracking-display);
  line-height: var(--lh-heading);
  color: var(--ink-900);
  margin-bottom: var(--space-2);
  text-wrap: balance;
}
.catalogue-card__desc {
  font-size: var(--fs-caption);
  color: var(--fg-2);
  line-height: 1.6;
  margin-bottom: var(--space-4);
  flex: 1;
}
.catalogue-card__specs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--border-soft);
}
.spec-pill {
  font-family: var(--font-ui);
  font-size: 0.6875rem;
  font-weight: 500;
  color: var(--fg-muted);
  background: var(--paper-deep);
  padding: 0.25rem 0.625rem;
  border-radius: var(--radius-pill);
  white-space: nowrap;
}
.spec-pill--nrc {
  color: var(--terracotta);
  background: rgba(199,90,60,0.08);
  font-weight: 600;
}
.spec-pill--fire { color: var(--sage); background: rgba(75,87,66,0.10); }

/* Variant strip */
.catalogue-card__variants {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
  overflow-x: auto;
  scrollbar-width: none;
}
.catalogue-card__variants::-webkit-scrollbar { display: none; }
.variant-thumb {
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  overflow: hidden;
  border: 1px solid var(--border-soft);
  position: relative;
}
.variant-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--dur-base) var(--ease-out);
}
.variant-thumb:hover img { transform: scale(1.1); }
.variant-thumb__label {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  font-size: 0.5rem;
  font-family: var(--font-ui);
  font-weight: 600;
  text-align: center;
  background: rgba(22,20,19,0.55);
  color: var(--paper);
  padding: 2px 0;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.catalogue-card__actions {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}
.catalogue-card__actions .btn { flex: 1; justify-content: center; font-size: 0.75rem; padding: 0.625rem 0.875rem; }

/* Hidden state for Alpine.js filter */
.catalogue-card[style*="display: none"],
[x-show="false"] { display: none !important; }

/* ============================================================
   SPEC COMPARISON TABLE
   ============================================================ */
.spec-table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-3);
}
.spec-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  font-family: var(--font-body);
  font-size: var(--fs-body-sm);
}
.spec-table th {
  font-family: var(--font-ui);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--fg-muted);
  background: var(--paper-deep);
  padding: var(--space-3) var(--space-4);
  text-align: left;
  white-space: nowrap;
  border-bottom: 1px solid var(--border-soft);
}
.spec-table th:first-child { border-radius: var(--radius-3) 0 0 0; }
.spec-table th:last-child { border-radius: 0 var(--radius-3) 0 0; }
.spec-table td {
  padding: var(--space-4);
  border-bottom: 1px solid var(--border-soft);
  vertical-align: top;
  line-height: var(--lh-tight);
}
.spec-table tr:last-child td { border-bottom: none; }
.spec-table tr:hover td { background: var(--cream); }
.spec-table td:first-child { font-weight: 600; color: var(--ink-900); white-space: nowrap; }
.spec-table__nrc {
  font-family: 'Courier New', Courier, monospace;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--terracotta);
}
.spec-table__fire {
  font-size: 0.75rem;
  color: var(--sage);
  font-weight: 600;
}
.spec-table__dim {
  font-family: 'Courier New', Courier, monospace;
  font-size: 0.75rem;
  color: var(--fg-muted);
  white-space: nowrap;
}

/* ============================================================
   APPLICATIONS SECTION
   ============================================================ */
.applications-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}
@media (min-width: 1024px) { .applications-grid { grid-template-columns: repeat(4, 1fr); } }

.application-tile {
  background: var(--paper-deep);
  padding: var(--space-6) var(--space-5);
  border: 1px solid var(--border-soft);
}
.application-tile__icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--peach-mist);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--terracotta);
  margin-bottom: var(--space-4);
}
.application-tile__name {
  font-family: var(--font-ui);
  font-size: var(--fs-h4);
  font-weight: 600;
  color: var(--ink-900);
  margin-bottom: var(--space-3);
}
.application-tile__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}
.application-tile__list li {
  font-size: var(--fs-caption);
  color: var(--fg-2);
  padding-left: var(--space-4);
  position: relative;
  line-height: 1.6;
}
.application-tile__list li::before {
  content: '·';
  position: absolute;
  left: var(--space-2);
  color: var(--terracotta);
  font-weight: 700;
}

/* ============================================================
   SUSTAINABILITY CALLOUT
   ============================================================ */
.sustainability-strip {
  background: var(--sage);
  color: var(--paper);
  padding: clamp(2.5rem, 4vw, 4rem) 0;
}
.sustainability-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  align-items: center;
}
@media (min-width: 768px) {
  .sustainability-inner { grid-template-columns: 1fr 1fr; gap: var(--space-12); }
}
.sustainability-number {
  font-family: var(--font-display);
  font-size: clamp(4rem, 8vw, 7rem);
  font-weight: 500;
  line-height: 0.9;
  color: rgba(250,247,242,0.15);
  letter-spacing: -0.04em;
  margin-bottom: var(--space-3);
}
.sustainability-headline {
  font-family: var(--font-display);
  font-size: var(--fs-h2);
  font-weight: 500;
  color: var(--paper);
  line-height: var(--lh-heading);
  letter-spacing: var(--tracking-display);
  margin-bottom: var(--space-4);
  text-wrap: balance;
}
.sustainability-headline em { font-style: italic; font-weight: 400; color: var(--peach-mist); }
.sustainability-body { font-size: var(--fs-body-sm); color: rgba(250,247,242,0.78); line-height: var(--lh-body); }
.sustainability-stat {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}
.sustainability-stat__item { border-top: 1px solid rgba(250,247,242,0.15); padding-top: var(--space-5); }
.sustainability-stat__val {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 2.5vw, 2.5rem);
  font-weight: 500;
  color: var(--peach-mist);
  line-height: 1;
  letter-spacing: var(--tracking-display);
}
.sustainability-stat__desc { font-size: var(--fs-caption); color: rgba(250,247,242,0.65); margin-top: var(--space-1); }

/* ============================================================
   INTRO SECTION (AEO anchor text block)
   ============================================================ */
.intro-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  align-items: start;
}
@media (min-width: 1024px) {
  .intro-split { grid-template-columns: 3fr 2fr; gap: var(--space-16); }
}
.intro-split__body p + p { margin-top: var(--space-4); }
.intro-split__body p { font-size: var(--fs-body-sm); color: var(--fg-2); line-height: var(--lh-body); }
.intro-split__sidebar {
  background: var(--paper-deep);
  border: 1px solid var(--border-soft);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}
.quick-fact { border-top: 1px solid var(--border-soft); padding-top: var(--space-5); }
.quick-fact:first-child { border-top: none; padding-top: 0; }
.quick-fact__val {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2vw, 2rem);
  font-weight: 500;
  color: var(--terracotta);
  line-height: 1;
  letter-spacing: var(--tracking-display);
}
.quick-fact__label { font-size: var(--fs-caption); color: var(--fg-muted); margin-top: var(--space-1); }

/* ============================================================
   CLIENT LOGO MARQUEE STRIP
   ============================================================ */
.logo-marquee-section {
  padding: var(--space-12) 0;
  background: var(--paper);
  border-top: 1px solid var(--border-soft);
  overflow: hidden;
}
.logo-marquee-label {
  font-family: var(--font-ui);
  font-size: var(--fs-eyebrow);
  font-weight: 600;
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--fg-muted);
  text-align: center;
  margin-bottom: var(--space-8);
}
.logo-marquee {
  overflow: hidden;
  -webkit-mask-image: linear-gradient(to right, transparent 0%, black 8%, black 92%, transparent 100%);
  mask-image: linear-gradient(to right, transparent 0%, black 8%, black 92%, transparent 100%);
}
.logo-marquee__track {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  gap: clamp(2.5rem, 5vw, 4rem);
  width: max-content;
  list-style: none;
  padding: 0;
  margin: 0;
  will-change: transform;
  animation: logo-scroll 34s linear infinite;
}
.logo-marquee__track:hover { animation-play-state: paused; }
.logo-item {
  flex-shrink: 0;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.logo-item img {
  height: 40px;
  width: auto;
  max-width: 150px;
  object-fit: contain;
  filter: grayscale(1) opacity(0.45);
  transition: filter var(--dur-base) var(--ease-out);
}
.logo-item img:hover { filter: grayscale(0) opacity(1); }
@keyframes logo-scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
@media (prefers-reduced-motion: reduce) {
  .logo-marquee__track { animation: none; flex-wrap: wrap; justify-content: center; width: auto; }
  .logo-marquee__track > li:nth-child(n+9) { display: none; }
}