/* ==========================================================================
   Taurus PVC — Design System & Homepage Styles
   Industrial Precision. German Engineering Clarity.
   Mobile-first | BEM | CSS Custom Properties
   ========================================================================== */

/* --------------------------------------------------------------------------
   FONT FACE — Inter (self-hosted)
   -------------------------------------------------------------------------- */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/Inter-Regular.woff2') format('woff2');
}

@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('../fonts/Inter-Medium.woff2') format('woff2');
}

@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('../fonts/Inter-SemiBold.woff2') format('woff2');
}

@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('../fonts/Inter-Bold.woff2') format('woff2');
}

/* --------------------------------------------------------------------------
   1. DESIGN TOKENS
   -------------------------------------------------------------------------- */
:root {
  /* ── Brand Colors ── */
  --color-dark:        #1A1A2E;
  --color-dark-rgb:    26, 26, 46;
  --color-blue:        #16213E;
  --color-blue-rgb:    22, 33, 62;
  --color-accent:      #0F3460;
  --color-accent-rgb:  15, 52, 96;
  --color-gold:        #B8860B;
  --color-gold-rgb:    184, 134, 11;
  --color-gold-hover:  #D4990D;
  --color-gold-light:  rgba(184, 134, 11, 0.12);
  --color-gold-glow:   rgba(184, 134, 11, 0.3);

  /* ── Neutrals ── */
  --color-white:       #FFFFFF;
  --color-off-white:   #F7F7F8;
  --color-gray-50:     #FAFAFA;
  --color-gray-100:    #F0F0F2;
  --color-gray-200:    #E2E2E6;
  --color-gray-300:    #C8C8CF;
  --color-gray-400:    #9E9EA8;
  --color-gray-500:    #71717A;
  --color-gray-600:    #52525B;
  --color-gray-700:    #3F3F46;
  --color-text:        #27272A;
  --color-text-light:  #52525B;
  --color-text-inv:    #FFFFFF;
  --color-text-inv-muted: rgba(255, 255, 255, 0.65);
  --color-border:      #E4E4E7;
  --color-border-dark: rgba(255, 255, 255, 0.08);

  /* ── Typography ── */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --fs-display:  clamp(2.5rem, 5vw, 3.75rem);
  --fs-h1:       clamp(2rem, 4vw, 2.75rem);
  --fs-h2:       clamp(1.625rem, 3vw, 2.25rem);
  --fs-h3:       1.5rem;
  --fs-h4:       1.25rem;
  --fs-body:     1rem;
  --fs-body-lg:  1.125rem;
  --fs-small:    0.875rem;
  --fs-label:    0.75rem;
  --lh-tight:    1.15;
  --lh-heading:  1.25;
  --lh-normal:   1.6;
  --lh-loose:    1.75;
  --fw-regular:  400;
  --fw-medium:   500;
  --fw-semibold: 600;
  --fw-bold:     700;
  --tracking-tight: -0.025em;
  --tracking-normal: 0;
  --tracking-wide:  0.06em;
  --tracking-wider: 0.12em;

  /* ── Spacing ── */
  --sp-1:  0.25rem;
  --sp-2:  0.5rem;
  --sp-3:  0.75rem;
  --sp-4:  1rem;
  --sp-5:  1.5rem;
  --sp-6:  2rem;
  --sp-7:  2.5rem;
  --sp-8:  3rem;
  --sp-9:  4rem;
  --sp-10: 5rem;
  --sp-11: 6rem;
  --sp-12: 8rem;

  /* ── Layout ── */
  --max-width: 1280px;
  --container-padding: var(--sp-5);
  --section-padding: var(--sp-10);

  /* ── Surface ── */
  --radius-sm:  4px;
  --radius-md:  8px;
  --radius-lg:  12px;
  --shadow-sm:  0 1px 2px rgba(0,0,0,0.04), 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md:  0 2px 4px rgba(0,0,0,0.04), 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg:  0 4px 8px rgba(0,0,0,0.04), 0 12px 32px rgba(0,0,0,0.10);
  --shadow-xl:  0 8px 16px rgba(0,0,0,0.06), 0 20px 48px rgba(0,0,0,0.12);

  /* ── Motion ── */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --duration-fast: 150ms;
  --duration-base: 250ms;
  --duration-slow: 400ms;

  /* ── Header ── */
  --header-height: 72px;
}

/* --------------------------------------------------------------------------
   2. RESET & BASE
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-family);
  font-size: var(--fs-body);
  font-weight: var(--fw-regular);
  line-height: var(--lh-normal);
  color: var(--color-text);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  padding-top: var(--header-height);
}

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

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-out);
}

a:hover { color: var(--color-gold); }

ul, ol { list-style: none; }

h1, h2, h3, h4, h5, h6 {
  font-weight: var(--fw-bold);
  line-height: var(--lh-heading);
  color: var(--color-dark);
  letter-spacing: var(--tracking-tight);
}

h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }
h4 { font-size: var(--fs-h4); }

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* --------------------------------------------------------------------------
   3. LAYOUT & UTILITIES
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

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

/* ── Overline (reused across sections) ── */
.overline {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-3);
  font-size: var(--fs-label);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-gold);
}

.overline::before {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--color-gold);
}

/* ── Section header ── */
.section__header {
  text-align: center;
  margin-bottom: var(--sp-8);
}

.section__header .overline {
  justify-content: center;
  margin-bottom: var(--sp-4);
}

.section__header .overline::before {
  display: none;
}

.section__header .overline::after {
  display: none;
}

.section__subtitle {
  font-size: var(--fs-body-lg);
  color: var(--color-text-light);
  max-width: 620px;
  margin-inline: auto;
  margin-top: var(--sp-3);
  line-height: var(--lh-loose);
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  padding: 0.875rem 2rem;
  font-size: var(--fs-small);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  transition:
    background-color var(--duration-base) var(--ease-out),
    border-color var(--duration-base) var(--ease-out),
    box-shadow var(--duration-base) var(--ease-out),
    transform var(--duration-base) var(--ease-out);
  text-decoration: none;
  white-space: nowrap;
  line-height: 1;
  position: relative;
}

.btn--primary {
  background: linear-gradient(135deg, var(--color-gold), #D4990D);
  color: var(--color-white);
  border: 1px solid transparent;
  box-shadow: 0 2px 8px rgba(var(--color-gold-rgb), 0.3);
}

.btn--primary:hover {
  background: linear-gradient(135deg, #D4990D, var(--color-gold));
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(var(--color-gold-rgb), 0.4);
}

.btn--outline {
  background: transparent;
  color: var(--color-white);
  border: 1px solid rgba(255, 255, 255, 0.25);
}

.btn--outline:hover {
  border-color: rgba(255, 255, 255, 0.6);
  color: var(--color-white);
  background: rgba(255, 255, 255, 0.06);
}

.btn--outline-dark {
  background: transparent;
  color: var(--color-dark);
  border: 1px solid var(--color-border);
}

.btn--outline-dark:hover {
  border-color: var(--color-dark);
  color: var(--color-dark);
}

.btn--sm {
  padding: 0.625rem 1.25rem;
  font-size: var(--fs-label);
}

/* ── Scroll-reveal ── */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}

.reveal--visible {
  opacity: 1;
  transform: translateY(0);
}

/* --------------------------------------------------------------------------
   4. HEADER
   -------------------------------------------------------------------------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: rgba(var(--color-dark-rgb), 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  height: var(--header-height);
  border-bottom: 1px solid var(--color-border-dark);
  transition: box-shadow var(--duration-base) var(--ease-out);
}

/* WP Admin Bar offset */
.admin-bar .site-header {
  top: var(--wp-admin--admin-bar--height, 32px);
}

.admin-bar .mobile-nav {
  top: calc(var(--header-height) + var(--wp-admin--admin-bar--height, 32px));
}

.site-header--scrolled {
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.25);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

/* Logo */
.site-header__logo a {
  display: flex;
  align-items: center;
  color: var(--color-white);
  font-size: 1.375rem;
  font-weight: var(--fw-bold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-header__logo img {
  height: 40px;
  width: auto;
}

/* Desktop nav */
.site-header__nav { display: none; }

.site-header__nav .menu {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
}

.site-header__nav .menu-item a {
  display: block;
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
  padding: var(--sp-2) var(--sp-3);
  border-radius: var(--radius-sm);
  transition: color var(--duration-fast) var(--ease-out), background-color var(--duration-fast) var(--ease-out);
}

.site-header__nav .menu-item a:hover,
.site-header__nav .current-menu-item a {
  color: var(--color-white);
  background-color: rgba(255, 255, 255, 0.06);
}

.site-header__nav .sub-menu { display: none; }

/* Header CTA */
.site-header__cta { display: none; }

/* Hamburger */
.site-header__toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  padding: 4px;
}

.site-header__toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-white);
  border-radius: 2px;
  transition: all var(--duration-base) var(--ease-out);
  transform-origin: center;
}

.site-header__toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.site-header__toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.site-header__toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile nav */
.mobile-nav {
  display: none;
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--color-dark);
  z-index: 999;
  overflow-y: auto;
  padding: var(--sp-6) var(--sp-5);
}

.mobile-nav--open { display: block; }

.mobile-nav .menu {
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
}

.mobile-nav .menu-item a {
  display: block;
  color: rgba(255, 255, 255, 0.8);
  font-size: var(--fs-body-lg);
  font-weight: var(--fw-medium);
  padding: var(--sp-3) var(--sp-4);
  border-radius: var(--radius-sm);
  border-left: 2px solid transparent;
  transition: all var(--duration-fast) var(--ease-out);
}

.mobile-nav .menu-item a:hover {
  background-color: rgba(255, 255, 255, 0.04);
  border-left-color: var(--color-gold);
  color: var(--color-white);
}

.mobile-nav .sub-menu {
  padding-left: var(--sp-5);
}

.mobile-nav .sub-menu a {
  font-size: var(--fs-body);
  color: rgba(255, 255, 255, 0.5);
}

.mobile-nav__cta {
  margin-top: var(--sp-6);
  padding-top: var(--sp-6);
  border-top: 1px solid var(--color-border-dark);
}

.mobile-nav__cta .btn {
  width: 100%;
  text-align: center;
}

/* --------------------------------------------------------------------------
   5. HERO — Full-viewport immersive
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  overflow: hidden;
  background: var(--color-dark);
  color: var(--color-text-inv);
  min-height: calc(100vh - var(--header-height));
  min-height: calc(100svh - var(--header-height));
  display: flex;
  align-items: center;
}

/* Background image layer */
.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

/* Placeholder gradient when no real image */
.hero__bg--placeholder {
  background:
    radial-gradient(ellipse 120% 80% at 75% 40%, rgba(15,52,96,0.6) 0%, transparent 70%),
    radial-gradient(ellipse 80% 100% at 20% 80%, rgba(var(--color-dark-rgb),0.95) 0%, transparent 60%),
    linear-gradient(145deg, #0c1929 0%, #1A1A2E 30%, #16213E 60%, #0F3460 100%);
}

/* Blueprint grid pattern over the image */
.hero__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: 0.6;
}

/* Dark overlay to ensure text readability over images */
.hero__overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    100deg,
    rgba(var(--color-dark-rgb), 0.92) 0%,
    rgba(var(--color-dark-rgb), 0.75) 40%,
    rgba(var(--color-dark-rgb), 0.4) 70%,
    rgba(var(--color-dark-rgb), 0.25) 100%
  );
}

/* Gold diagonal accent */
.hero::after {
  content: '';
  position: absolute;
  top: -50%;
  right: 15%;
  width: 1px;
  height: 200%;
  background: linear-gradient(to bottom, transparent 20%, rgba(var(--color-gold-rgb),0.15) 50%, transparent 80%);
  transform: rotate(25deg);
  z-index: 2;
}

.hero .container {
  position: relative;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--sp-11);
}

.hero__content {
  max-width: 640px;
}

.hero__overline {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-3);
  font-size: var(--fs-label);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: var(--sp-6);
}

.hero__overline::before {
  content: '';
  width: 32px;
  height: 1px;
  background: var(--color-gold);
}

.hero__title {
  font-size: var(--fs-display);
  font-weight: var(--fw-bold);
  color: var(--color-white);
  margin-bottom: var(--sp-5);
  line-height: var(--lh-tight);
  letter-spacing: var(--tracking-tight);
}

.hero__title em {
  font-style: normal;
  color: var(--color-gold);
}

.hero__subtitle {
  font-size: var(--fs-body-lg);
  color: var(--color-text-inv-muted);
  line-height: var(--lh-loose);
  margin-bottom: var(--sp-8);
  max-width: 540px;
  border-left: 2px solid rgba(var(--color-gold-rgb), 0.4);
  padding-left: var(--sp-5);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-4);
}

/* Floating stat badge */
.hero__badge {
  display: none;
  background: rgba(var(--color-dark-rgb), 0.6);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  padding: var(--sp-7) var(--sp-8);
  text-align: center;
}

.hero__badge-number {
  font-size: 4rem;
  font-weight: var(--fw-bold);
  color: var(--color-gold);
  line-height: 1;
  letter-spacing: var(--tracking-tight);
}

.hero__badge-label {
  font-size: var(--fs-small);
  color: var(--color-text-inv-muted);
  margin-top: var(--sp-3);
  font-weight: var(--fw-medium);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
}

/* Scroll indicator — desktop only */
.hero__scroll {
  position: absolute;
  bottom: var(--sp-6);
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: none;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-2);
  color: rgba(255,255,255,0.3);
  font-size: var(--fs-label);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}

.hero__scroll-line {
  width: 1px;
  height: 32px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.3), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(1); }
  50% { opacity: 0.7; transform: scaleY(1.2); }
}

/* 3D PVC Profile (Three.js canvas) */
.hero__3d {
  position: absolute;
  top: 0;
  right: 0;
  width: 55%;
  height: 100%;
  z-index: 2;
  pointer-events: none;
  display: none;
}

.hero__3d canvas {
  display: block;
  width: 100% !important;
  height: 100% !important;
  opacity: 0;
  transition: opacity 0.8s ease;
}

.hero__3d.is-ready canvas {
  opacity: 1;
}

@media (min-width: 1024px) {
  .hero__3d { display: block; }
}

@media (min-width: 1280px) {
  .hero__3d { width: 60%; }
}

/* --------------------------------------------------------------------------
   6. TRUST BAR
   -------------------------------------------------------------------------- */
.trust-bar {
  background: linear-gradient(135deg, var(--color-blue), #1a2d4d);
  color: var(--color-text-inv);
  padding-block: var(--sp-8);
  position: relative;
}

/* Thin gold top-edge */
.trust-bar::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent 10%, var(--color-gold) 50%, transparent 90%);
}

.trust-bar__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-6);
  text-align: center;
}

.trust-bar__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-5) var(--sp-3);
  position: relative;
}

/* Vertical dividers between items (desktop) */
.trust-bar__item + .trust-bar__item::before {
  display: none;
}

.trust-bar__icon {
  width: 36px;
  height: 36px;
  color: var(--color-gold);
  margin-bottom: var(--sp-2);
  opacity: 0.85;
}

.trust-bar__number {
  font-size: 2.5rem;
  font-weight: var(--fw-bold);
  color: var(--color-white);
  line-height: 1;
  letter-spacing: var(--tracking-tight);
}

.trust-bar__number-suffix {
  font-size: 1.5rem;
  font-weight: var(--fw-semibold);
}

.trust-bar__label {
  font-size: var(--fs-label);
  color: var(--color-text-inv-muted);
  font-weight: var(--fw-medium);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
}

/* --------------------------------------------------------------------------
   7. PRODUCT OVERVIEW — Category rows with product cards
   -------------------------------------------------------------------------- */
.products-overview {
  background-color: var(--color-off-white);
  padding-block: var(--section-padding);
  position: relative;
}

/* ── Lineup container ── */
.product-lineup {
  display: flex;
  flex-direction: column;
  gap: var(--sp-9);
}

/* ── Category row ── */
.product-lineup__row {
  display: flex;
  flex-direction: column;
  gap: var(--sp-5);
}

.product-lineup__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  padding-bottom: var(--sp-3);
  border-bottom: 1px solid var(--color-border);
}

.product-lineup__category {
  font-size: var(--fs-h3);
  font-weight: var(--fw-bold);
  color: var(--color-dark);
  position: relative;
  padding-left: var(--sp-4);
}

.product-lineup__category::before {
  content: '';
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 3px;
  background: var(--color-gold);
  border-radius: 2px;
}

.product-lineup__view-all {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--fs-small);
  font-weight: var(--fw-semibold);
  color: var(--color-accent);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  white-space: nowrap;
  flex-shrink: 0;
}

.product-lineup__view-all:hover {
  color: var(--color-gold);
}

.product-lineup__view-all svg {
  transition: transform var(--duration-fast) var(--ease-out);
}

.product-lineup__view-all:hover svg {
  transform: translateX(4px);
}

/* ── Card row grid (max 4 per line) ── */
.product-lineup__cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-5);
}

/* ── Product card (compact, within row) ── */
.product-card {
  display: flex;
  flex-direction: column;
  background: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
  text-decoration: none;
  color: inherit;
  transition:
    transform var(--duration-base) var(--ease-out),
    box-shadow var(--duration-base) var(--ease-out),
    border-color var(--duration-base) var(--ease-out);
  position: relative;
}

/* Gold top-accent on hover */
.product-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--color-gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--duration-base) var(--ease-out);
  z-index: 1;
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
  color: inherit;
}

.product-card:hover::before {
  transform: scaleX(1);
}

.product-card__image {
  aspect-ratio: 3 / 4;
  background: linear-gradient(145deg, var(--color-dark) 0%, var(--color-accent) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

.product-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  position: relative;
  z-index: 1;
  transition: transform 0.6s var(--ease-out);
}

.product-card:hover .product-card__image img {
  transform: scale(1.04);
}

/* Stylized placeholder */
.product-card__placeholder {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.5);
}

.product-card__placeholder-icon {
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gold);
}

.product-card__placeholder-icon svg {
  width: 24px;
  height: 24px;
}

/* Grid pattern over placeholder */
.product-card__image::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 32px 32px;
  z-index: 0;
}

.product-card__body {
  padding: var(--sp-4);
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  flex: 1;
}

.product-card__title {
  font-size: var(--fs-small);
  font-weight: var(--fw-semibold);
  color: var(--color-dark);
  line-height: var(--lh-heading);
}

.product-card__specs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
}

.product-card__specs span {
  font-size: var(--fs-label);
  font-weight: var(--fw-medium);
  color: var(--color-text-light);
  background: var(--color-gray-50);
  padding: 1px var(--sp-2);
  border-radius: var(--radius-sm);
  letter-spacing: var(--tracking-wide);
}

.product-card__tier {
  display: inline-block;
  width: fit-content;
  font-size: var(--fs-label);
  font-weight: var(--fw-semibold);
  padding: 1px var(--sp-2);
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  margin-top: auto;
}

.product-card__tier--entry { background: #E8F5E9; color: #2E7D32; }
.product-card__tier--mid { background: #E3F2FD; color: #1565C0; }
.product-card__tier--premium { background: #FFF8E1; color: #F57F17; }
.product-card__tier--economy { background: #F3E5F5; color: #7B1FA2; }
.product-card__tier--standard { background: var(--color-gray-100); color: var(--color-gray-600); }
.product-card__tier--specialty { background: #FCE4EC; color: #C62828; }

/* --------------------------------------------------------------------------
   8. WHY TAURUS
   -------------------------------------------------------------------------- */
.why-taurus {
  padding-block: var(--section-padding);
  position: relative;
}

.why-taurus__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-7);
}

.benefit-card {
  display: flex;
  gap: var(--sp-5);
  align-items: flex-start;
  padding: var(--sp-6);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-white);
  transition:
    border-color var(--duration-base) var(--ease-out),
    box-shadow var(--duration-base) var(--ease-out);
}

.benefit-card:hover {
  border-color: var(--color-gold-light);
  box-shadow: var(--shadow-md);
}

.benefit-card__icon {
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--color-dark), var(--color-accent));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gold);
}

.benefit-card__icon svg {
  width: 24px;
  height: 24px;
}

.benefit-card__content { flex: 1; }

.benefit-card__title {
  font-size: var(--fs-h4);
  font-weight: var(--fw-semibold);
  margin-bottom: var(--sp-2);
  color: var(--color-dark);
}

.benefit-card__text {
  font-size: var(--fs-body);
  color: var(--color-text-light);
  line-height: var(--lh-normal);
}

/* --------------------------------------------------------------------------
   9. FEATURED PROJECTS
   -------------------------------------------------------------------------- */
.featured-projects {
  background-color: var(--color-off-white);
  padding-block: var(--section-padding);
}

.featured-projects__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-6);
}

/* Image-dominant project cards with text overlay */
.project-card {
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
  aspect-ratio: 3 / 4;
  cursor: pointer;
  transition: transform var(--duration-base) var(--ease-out), box-shadow var(--duration-base) var(--ease-out);
}

.project-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.project-card__image {
  position: absolute;
  inset: 0;
  background: linear-gradient(145deg, var(--color-dark) 0%, var(--color-accent) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.project-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s var(--ease-out);
}

.project-card:hover .project-card__image img {
  transform: scale(1.06);
}

.project-card__placeholder {
  font-size: var(--fs-label);
  color: rgba(255,255,255,0.3);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}

/* Gradient overlay for text readability */
.project-card__body {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--sp-6);
  background: linear-gradient(
    to top,
    rgba(var(--color-dark-rgb), 0.85) 0%,
    rgba(var(--color-dark-rgb), 0.3) 40%,
    transparent 60%
  );
  z-index: 1;
}

.project-card__title {
  font-size: var(--fs-h4);
  font-weight: var(--fw-semibold);
  margin-bottom: var(--sp-2);
}

.project-card__title a {
  color: var(--color-white);
  transition: color var(--duration-fast) var(--ease-out);
}

.project-card__title a:hover {
  color: var(--color-gold);
}

.project-card__meta {
  display: flex;
  gap: var(--sp-4);
  font-size: var(--fs-small);
  color: rgba(255,255,255,0.6);
}

.project-card__meta span {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
}

/* Grid pattern on project placeholder */
.project-card__image::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 40px 40px;
  z-index: 0;
}

.featured-projects__footer {
  text-align: center;
  margin-top: var(--sp-8);
}

.featured-projects__footer a {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-weight: var(--fw-semibold);
  font-size: var(--fs-small);
  color: var(--color-accent);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  padding: var(--sp-3) var(--sp-5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: all var(--duration-base) var(--ease-out);
}

.featured-projects__footer a:hover {
  color: var(--color-gold);
  border-color: var(--color-gold);
}

/* --------------------------------------------------------------------------
   10. FAQ
   -------------------------------------------------------------------------- */
.faq {
  padding-block: var(--section-padding);
}

.faq__list {
  max-width: 800px;
  margin-inline: auto;
}

.faq__item {
  border-bottom: 1px solid var(--color-border);
}

.faq__item:first-child {
  border-top: 1px solid var(--color-border);
}

.faq__question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-5);
  padding: var(--sp-5) 0;
  font-size: var(--fs-body);
  font-weight: var(--fw-semibold);
  color: var(--color-dark);
  text-align: left;
  line-height: var(--lh-normal);
  transition: color var(--duration-fast) var(--ease-out);
}

.faq__question:hover {
  color: var(--color-accent);
}

/* Active item gold left-border accent */
.faq__item--open .faq__question {
  color: var(--color-dark);
}

.faq__icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--duration-base) var(--ease-out);
  position: relative;
}

.faq__item--open .faq__icon {
  background: var(--color-gold);
  border-color: var(--color-gold);
}

.faq__icon::before,
.faq__icon::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  background-color: currentColor;
  border-radius: 1px;
}

.faq__icon::before {
  width: 12px;
  height: 1.5px;
  transform: translate(-50%, -50%);
}

.faq__icon::after {
  width: 1.5px;
  height: 12px;
  transform: translate(-50%, -50%);
  transition: transform var(--duration-base) var(--ease-out), opacity var(--duration-base) var(--ease-out);
}

.faq__item--open .faq__icon {
  color: var(--color-white);
}

.faq__item--open .faq__icon::after {
  opacity: 0;
  transform: translate(-50%, -50%) rotate(90deg);
}

.faq__answer {
  overflow: hidden;
  max-height: 0;
  transition: max-height var(--duration-slow) var(--ease-in-out);
}

.faq__answer-inner {
  padding-bottom: var(--sp-6);
  padding-left: var(--sp-5);
  font-size: var(--fs-body);
  color: var(--color-text-light);
  line-height: var(--lh-loose);
  border-left: 2px solid var(--color-gold);
}

.faq__item--open .faq__answer {
  max-height: 500px;
}

/* --------------------------------------------------------------------------
   11. CTA STRIP
   -------------------------------------------------------------------------- */
.cta-strip {
  position: relative;
  overflow: hidden;
  background: var(--color-dark);
  color: var(--color-text-inv);
  padding-block: var(--section-padding);
  text-align: center;
}

/* Gradient overlay */
.cta-strip::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 100% 60% at 50% 120%, rgba(var(--color-gold-rgb), 0.08) 0%, transparent 70%),
    linear-gradient(135deg, var(--color-dark) 0%, var(--color-blue) 50%, var(--color-accent) 100%);
}

/* Blueprint grid */
.cta-strip::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 48px 48px;
}

/* Gold accent bar above title */
.cta-strip .container {
  position: relative;
  z-index: 1;
}

.cta-strip__title {
  font-size: var(--fs-h2);
  font-weight: var(--fw-bold);
  color: var(--color-white);
  margin-bottom: var(--sp-4);
}

.cta-strip__title::before {
  content: '';
  display: block;
  width: 48px;
  height: 2px;
  background: var(--color-gold);
  margin: 0 auto var(--sp-5);
}

.cta-strip__subtitle {
  font-size: var(--fs-body-lg);
  color: var(--color-text-inv-muted);
  max-width: 540px;
  margin-inline: auto;
  margin-bottom: var(--sp-8);
  line-height: var(--lh-normal);
}

.cta-strip__actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--sp-4);
}

/* --------------------------------------------------------------------------
   12. FOOTER
   -------------------------------------------------------------------------- */
.site-footer {
  background: var(--color-dark);
  color: var(--color-text-inv);
  padding-top: var(--section-padding);
  position: relative;
}

/* Gold top-edge */
.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(var(--color-gold-rgb), 0.3), transparent);
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-8);
  padding-bottom: var(--sp-9);
}

.site-footer__brand p {
  font-size: var(--fs-small);
  color: var(--color-text-inv-muted);
  line-height: var(--lh-normal);
  margin-top: var(--sp-4);
  max-width: 300px;
}

.site-footer__logo {
  font-size: 1.25rem;
  font-weight: var(--fw-bold);
  color: var(--color-white);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.site-footer__logo img {
  height: 36px;
  width: auto;
}

.footer-col__title {
  font-size: var(--fs-label);
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  color: var(--color-gold);
  margin-bottom: var(--sp-5);
  padding-bottom: var(--sp-3);
  border-bottom: 1px solid var(--color-border-dark);
}

.footer-col__list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}

.footer-col__list a,
.footer-col__list li {
  font-size: var(--fs-small);
  color: var(--color-text-inv-muted);
  transition: color var(--duration-fast) var(--ease-out);
}

.footer-col__list a:hover {
  color: var(--color-white);
}

/* Certifications */
.site-footer__certs {
  display: flex;
  gap: var(--sp-3);
  margin-top: var(--sp-6);
}

.site-footer__cert-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(var(--color-gold-rgb), 0.25);
  background: rgba(var(--color-gold-rgb), 0.06);
  font-size: var(--fs-label);
  font-weight: var(--fw-bold);
  color: var(--color-gold);
  letter-spacing: 0.02em;
}

/* Social */
.footer-social {
  display: flex;
  gap: var(--sp-3);
  margin-top: var(--sp-5);
}

.footer-social__link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border-dark);
  color: var(--color-text-inv-muted);
  transition: all var(--duration-fast) var(--ease-out);
}

.footer-social__link:hover {
  border-color: var(--color-gold);
  color: var(--color-gold);
  background: rgba(var(--color-gold-rgb), 0.08);
}

.footer-social__link svg {
  width: 16px;
  height: 16px;
}

/* Footer bottom */
.site-footer__bottom {
  border-top: 1px solid var(--color-border-dark);
  padding-block: var(--sp-5);
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  align-items: center;
  text-align: center;
}

.site-footer__copyright {
  font-size: var(--fs-label);
  color: rgba(255,255,255,0.35);
}

.site-footer__legal {
  display: flex;
  gap: var(--sp-5);
}

.site-footer__legal a {
  font-size: var(--fs-label);
  color: rgba(255,255,255,0.35);
}

.site-footer__legal a:hover {
  color: var(--color-text-inv-muted);
}

/* --------------------------------------------------------------------------
   13. RESPONSIVE — Tablet (640px+)
   -------------------------------------------------------------------------- */
@media (min-width: 640px) {
  :root {
    --container-padding: var(--sp-6);
    --section-padding: var(--sp-11);
  }

  .trust-bar__grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
  }

  /* Vertical dividers between trust items */
  .trust-bar__item + .trust-bar__item::before {
    display: block;
    content: '';
    position: absolute;
    left: 0;
    top: 20%;
    bottom: 20%;
    width: 1px;
    background: rgba(255,255,255,0.1);
  }

  .product-lineup__cards {
    grid-template-columns: repeat(3, 1fr);
  }

  .why-taurus__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .featured-projects__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .project-card {
    aspect-ratio: 4 / 5;
  }

  .site-footer__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* --------------------------------------------------------------------------
   14. RESPONSIVE — Desktop (1024px+)
   -------------------------------------------------------------------------- */
@media (min-width: 1024px) {
  :root {
    --container-padding: var(--sp-8);
    --section-padding: var(--sp-12);
  }

  /* Header */
  .site-header__nav { display: block; }
  .site-header__cta { display: block; }
  .site-header__toggle { display: none; }

  /* Hero */
  .hero__badge { display: block; }

  .hero__scroll { display: flex; }

  .project-card {
    aspect-ratio: 3 / 4;
  }

  /* Products & Projects */
  .product-lineup__cards {
    grid-template-columns: repeat(4, 1fr);
  }

  .featured-projects__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  /* Footer */
  .site-footer__grid {
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
  }

  .site-footer__bottom {
    flex-direction: row;
    justify-content: space-between;
  }
}

/* --------------------------------------------------------------------------
   15. BREADCRUMB
   -------------------------------------------------------------------------- */
.breadcrumb {
  margin-bottom: var(--sp-5);
}

.breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sp-2);
}

.breadcrumb__item {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--fs-small);
  color: var(--color-text-inv-muted);
}

.breadcrumb__item a {
  color: rgba(255, 255, 255, 0.6);
  transition: color var(--duration-fast) var(--ease-out);
}

.breadcrumb__item a:hover {
  color: var(--color-white);
}

.breadcrumb__item + .breadcrumb__item::before {
  content: '/';
  color: rgba(255, 255, 255, 0.3);
  margin-right: var(--sp-1);
}

/* Dark-bg breadcrumb for inner pages */
.product-breadcrumb-wrap {
  padding-top: var(--sp-6);
  padding-bottom: 0;
}

.product-breadcrumb-wrap .breadcrumb__item {
  color: var(--color-text-light);
}

.product-breadcrumb-wrap .breadcrumb__item a {
  color: var(--color-gray-500);
}

.product-breadcrumb-wrap .breadcrumb__item a:hover {
  color: var(--color-accent);
}

.product-breadcrumb-wrap .breadcrumb__item + .breadcrumb__item::before {
  color: var(--color-gray-300);
}

/* --------------------------------------------------------------------------
   16. PAGE HERO (compact, for inner pages)
   -------------------------------------------------------------------------- */
.page-hero {
  position: relative;
  overflow: hidden;
  background: var(--color-dark);
  color: var(--color-text-inv);
  padding-block: var(--sp-10) var(--sp-9);
}

.page-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-hero__bg--placeholder {
  background:
    radial-gradient(ellipse 100% 80% at 70% 50%, rgba(15,52,96,0.5) 0%, transparent 70%),
    linear-gradient(145deg, #0c1929 0%, #1A1A2E 40%, #16213E 100%);
}

.page-hero__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 64px 64px;
}

.page-hero__overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    135deg,
    rgba(var(--color-dark-rgb), 0.85) 0%,
    rgba(var(--color-dark-rgb), 0.6) 100%
  );
}

.page-hero__content {
  position: relative;
  z-index: 2;
  max-width: 720px;
}

.page-hero__title {
  font-size: var(--fs-h1);
  font-weight: var(--fw-bold);
  color: var(--color-white);
  margin-top: var(--sp-4);
  line-height: var(--lh-tight);
}

.page-hero__subtitle {
  font-size: var(--fs-body-lg);
  color: var(--color-text-inv-muted);
  line-height: var(--lh-loose);
  margin-top: var(--sp-4);
  max-width: 600px;
}

/* --------------------------------------------------------------------------
   17. PRODUCT FILTER BAR
   -------------------------------------------------------------------------- */
.product-filter {
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: var(--header-height);
  z-index: 50;
}

.admin-bar .product-filter {
  top: calc(var(--header-height) + var(--wp-admin--admin-bar--height, 32px));
}

.product-filter__nav {
  display: flex;
  gap: var(--sp-2);
  padding-block: var(--sp-4);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.product-filter__nav::-webkit-scrollbar {
  display: none;
}

.product-filter__btn {
  display: inline-flex;
  align-items: center;
  padding: var(--sp-2) var(--sp-4);
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
  color: var(--color-text-light);
  border: 1px solid var(--color-border);
  border-radius: 100px;
  white-space: nowrap;
  transition: all var(--duration-fast) var(--ease-out);
  text-decoration: none;
}

.product-filter__btn:hover {
  color: var(--color-dark);
  border-color: var(--color-dark);
}

.product-filter__btn--active {
  background: var(--color-dark);
  color: var(--color-white);
  border-color: var(--color-dark);
}

.product-filter__btn--active:hover {
  color: var(--color-white);
}

/* --------------------------------------------------------------------------
   18. PRODUCT ARCHIVE GRID
   -------------------------------------------------------------------------- */
.product-archive {
  padding-block: var(--sp-9);
}

.product-archive__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-6);
}

.product-archive__empty {
  text-align: center;
  padding: var(--sp-10);
  color: var(--color-text-light);
  font-size: var(--fs-body-lg);
}

/* --------------------------------------------------------------------------
   19. SERIES CARD (product listing card)
   -------------------------------------------------------------------------- */
.series-card {
  display: flex;
  flex-direction: column;
  background: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition:
    transform var(--duration-base) var(--ease-out),
    box-shadow var(--duration-base) var(--ease-out),
    border-color var(--duration-base) var(--ease-out);
  position: relative;
}

.series-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--color-gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--duration-base) var(--ease-out);
  z-index: 1;
}

.series-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.series-card:hover::before {
  transform: scaleX(1);
}

.series-card__image {
  aspect-ratio: 3 / 4;
  background: linear-gradient(145deg, var(--color-dark) 0%, var(--color-accent) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

.series-card__image::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 32px 32px;
  z-index: 0;
}

.series-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: relative;
  z-index: 1;
  transition: transform 0.6s var(--ease-out);
}

.series-card:hover .series-card__image img {
  transform: scale(1.04);
}

.series-card__placeholder {
  color: rgba(255,255,255,0.3);
  position: relative;
  z-index: 1;
}

.series-card__body {
  padding: var(--sp-5) var(--sp-5) var(--sp-6);
  display: flex;
  flex-direction: column;
  flex: 1;
}

.series-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  margin-bottom: var(--sp-3);
}

.series-card__spec {
  font-size: var(--fs-label);
  font-weight: var(--fw-medium);
  color: var(--color-text-light);
  background: var(--color-gray-50);
  padding: 2px var(--sp-2);
  border-radius: var(--radius-sm);
  letter-spacing: var(--tracking-wide);
}

.series-card__tier {
  font-size: var(--fs-label);
  font-weight: var(--fw-semibold);
  padding: 2px var(--sp-2);
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
}

.series-card__tier--entry { background: #E8F5E9; color: #2E7D32; }
.series-card__tier--mid { background: #E3F2FD; color: #1565C0; }
.series-card__tier--premium { background: #FFF8E1; color: #F57F17; }
.series-card__tier--economy { background: #F3E5F5; color: #7B1FA2; }
.series-card__tier--standard { background: var(--color-gray-100); color: var(--color-gray-600); }
.series-card__tier--specialty { background: #FCE4EC; color: #C62828; }

.series-card__title {
  font-size: var(--fs-h4);
  font-weight: var(--fw-semibold);
  margin-bottom: var(--sp-2);
}

.series-card__title a {
  color: var(--color-dark);
  transition: color var(--duration-fast) var(--ease-out);
}

.series-card__title a:hover {
  color: var(--color-accent);
}

.series-card__excerpt {
  font-size: var(--fs-small);
  color: var(--color-text-light);
  line-height: var(--lh-normal);
  margin-bottom: var(--sp-4);
  flex: 1;
}

.series-card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--fs-small);
  font-weight: var(--fw-semibold);
  color: var(--color-accent);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  margin-top: auto;
}

.series-card__link:hover {
  color: var(--color-gold);
}

.series-card__link svg {
  transition: transform var(--duration-fast) var(--ease-out);
}

.series-card__link:hover svg {
  transform: translateX(4px);
}

/* --------------------------------------------------------------------------
   20. SINGLE PRODUCT HERO
   -------------------------------------------------------------------------- */
.product-hero {
  padding-block: var(--sp-6) var(--sp-9);
}

.product-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-8);
}

.product-hero__image {
  aspect-ratio: 3 / 4;
  background: linear-gradient(145deg, var(--color-dark) 0%, var(--color-accent) 100%);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.product-hero__image::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 40px 40px;
}

.product-hero__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: relative;
  z-index: 1;
}

.product-hero__placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-4);
  color: rgba(255,255,255,0.3);
  position: relative;
  z-index: 1;
}

.product-hero__placeholder span {
  font-size: var(--fs-small);
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
}

.product-hero__info {
  display: flex;
  flex-direction: column;
}

.product-hero__title {
  font-size: var(--fs-h1);
  font-weight: var(--fw-bold);
  color: var(--color-dark);
  line-height: var(--lh-tight);
  margin-top: var(--sp-3);
}

.product-hero__suffix {
  display: block;
  font-size: var(--fs-h2);
  font-weight: var(--fw-semibold);
  color: var(--color-accent);
  margin-top: var(--sp-1);
}

.product-hero__tagline {
  font-size: var(--fs-body-lg);
  color: var(--color-text-light);
  line-height: var(--lh-normal);
  margin-top: var(--sp-4);
  padding-left: var(--sp-4);
  border-left: 2px solid var(--color-gold);
}

/* At a Glance */
.product-glance {
  margin-top: var(--sp-7);
  padding: var(--sp-5);
  background: var(--color-off-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.product-glance__heading {
  font-size: var(--fs-small);
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  color: var(--color-gold);
  margin-bottom: var(--sp-4);
}

.product-glance__list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-4);
}

.product-glance__item {
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
}

.product-glance__item dt {
  font-size: var(--fs-label);
  font-weight: var(--fw-medium);
  color: var(--color-gray-500);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
}

.product-glance__item dd {
  font-size: var(--fs-body-lg);
  font-weight: var(--fw-semibold);
  color: var(--color-dark);
}

.product-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-4);
  margin-top: var(--sp-7);
}

/* --------------------------------------------------------------------------
   21. PRODUCT TABS
   -------------------------------------------------------------------------- */
.product-tabs {
  padding-block: var(--sp-9);
  background: var(--color-off-white);
}

.product-tabs__nav {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--color-border);
  margin-bottom: var(--sp-7);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.product-tabs__btn {
  padding: var(--sp-4) var(--sp-5);
  font-size: var(--fs-body);
  font-weight: var(--fw-medium);
  color: var(--color-text-light);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--duration-fast) var(--ease-out);
}

.product-tabs__btn:hover {
  color: var(--color-dark);
}

.product-tabs__btn--active {
  color: var(--color-dark);
  font-weight: var(--fw-semibold);
  border-bottom-color: var(--color-gold);
}

.product-tabs__panel {
  display: none;
}

.product-tabs__panel--active {
  display: block;
}

/* --------------------------------------------------------------------------
   22. SPEC TABLE
   -------------------------------------------------------------------------- */
.spec-table {
  width: 100%;
  border-collapse: collapse;
}

.spec-table__row {
  border-bottom: 1px solid var(--color-border);
}

.spec-table__row:last-child {
  border-bottom: none;
}

.spec-table__label {
  font-size: var(--fs-body);
  font-weight: var(--fw-medium);
  color: var(--color-text-light);
  padding: var(--sp-4) var(--sp-4) var(--sp-4) 0;
  text-align: left;
  width: 40%;
}

.spec-table__value {
  font-size: var(--fs-body);
  font-weight: var(--fw-semibold);
  color: var(--color-dark);
  padding: var(--sp-4) 0;
}

/* --------------------------------------------------------------------------
   23. PRODUCT FEATURES & APPLICATIONS (tab content)
   -------------------------------------------------------------------------- */
.product-features p {
  font-size: var(--fs-body);
  color: var(--color-text-light);
  line-height: var(--lh-loose);
  margin-bottom: var(--sp-5);
}

.product-features__best-for {
  margin-top: var(--sp-6);
  padding: var(--sp-5);
  background: var(--color-white);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--color-gold);
}

.product-features__best-for h3 {
  font-size: var(--fs-body);
  font-weight: var(--fw-semibold);
  color: var(--color-dark);
  margin-bottom: var(--sp-2);
}

.product-features__best-for p {
  margin-bottom: 0;
}

.product-applications__list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}

.product-applications__item {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-3);
  font-size: var(--fs-body);
  color: var(--color-text-light);
  line-height: var(--lh-normal);
}

.product-applications__item svg {
  flex-shrink: 0;
  color: var(--color-gold);
  margin-top: 2px;
}

/* --------------------------------------------------------------------------
   24. COLOR SWATCHES
   -------------------------------------------------------------------------- */
.color-swatches {
  padding-block: var(--sp-9);
}

.color-swatches__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-5);
}

.color-swatch {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-2);
  text-align: center;
}

.color-swatch__circle {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  box-shadow: var(--shadow-sm);
  transition: transform var(--duration-fast) var(--ease-out), box-shadow var(--duration-fast) var(--ease-out);
}

.color-swatch__circle--light {
  border: 1px solid var(--color-border);
}

.color-swatch:hover .color-swatch__circle {
  transform: scale(1.1);
  box-shadow: var(--shadow-md);
}

.color-swatch__name {
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
  color: var(--color-dark);
}

.color-swatch__code {
  font-size: var(--fs-label);
  color: var(--color-gray-500);
}

/* --------------------------------------------------------------------------
   25. COMPARISON TABLE
   -------------------------------------------------------------------------- */
.comparison-table {
  padding-block: var(--sp-9);
}

.comparison-table__wrapper {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.comparison-table__table {
  width: 100%;
  border-collapse: collapse;
  min-width: 600px;
}

.comparison-table__header {
  padding: var(--sp-4) var(--sp-4);
  font-size: var(--fs-small);
  font-weight: var(--fw-semibold);
  color: var(--color-dark);
  text-align: center;
  background: var(--color-off-white);
  border-bottom: 2px solid var(--color-border);
}

.comparison-table__header--label {
  text-align: left;
  color: var(--color-text-light);
  font-weight: var(--fw-medium);
  min-width: 140px;
}

.comparison-table__header a {
  color: var(--color-dark);
  transition: color var(--duration-fast) var(--ease-out);
}

.comparison-table__header a:hover {
  color: var(--color-gold);
}

.comparison-table__header small {
  display: block;
  font-weight: var(--fw-regular);
  color: var(--color-gray-500);
  font-size: var(--fs-label);
  margin-top: 2px;
}

.comparison-table__table tbody th {
  padding: var(--sp-3) var(--sp-4);
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
  color: var(--color-text-light);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.comparison-table__table td {
  padding: var(--sp-3) var(--sp-4);
  font-size: var(--fs-small);
  text-align: center;
  color: var(--color-dark);
  border-bottom: 1px solid var(--color-border);
}

.comparison-table__table tbody tr:last-child th,
.comparison-table__table tbody tr:last-child td {
  border-bottom: none;
}

.comparison-table__table tbody tr:hover td {
  background: rgba(var(--color-gold-rgb), 0.04);
}

/* Tier badges */
.tier-badge {
  display: inline-block;
  font-size: var(--fs-label);
  font-weight: var(--fw-semibold);
  padding: 2px var(--sp-2);
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
}

.tier-badge--entry { background: #E8F5E9; color: #2E7D32; }
.tier-badge--mid { background: #E3F2FD; color: #1565C0; }
.tier-badge--premium { background: #FFF8E1; color: #F57F17; }
.tier-badge--economy { background: #F3E5F5; color: #7B1FA2; }
.tier-badge--standard { background: var(--color-gray-100); color: var(--color-gray-600); }
.tier-badge--specialty { background: #FCE4EC; color: #C62828; }

/* --------------------------------------------------------------------------
   26. CTA HELP (category pages)
   -------------------------------------------------------------------------- */
.cta-help {
  padding-block: var(--sp-9);
}

.cta-help__inner {
  display: flex;
  flex-direction: column;
  gap: var(--sp-6);
  padding: var(--sp-8);
  background: var(--color-off-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

.cta-help__title {
  font-size: var(--fs-h3);
  font-weight: var(--fw-bold);
  color: var(--color-dark);
}

.cta-help__subtitle {
  font-size: var(--fs-body);
  color: var(--color-text-light);
  line-height: var(--lh-normal);
  margin-top: var(--sp-2);
  max-width: 500px;
}

.cta-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-4);
}

/* --------------------------------------------------------------------------
   27. RELATED PRODUCTS
   -------------------------------------------------------------------------- */
.related-products {
  padding-block: var(--sp-9);
  background: var(--color-off-white);
}

.related-products__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-6);
}

/* --------------------------------------------------------------------------
   28. PRODUCT COLORS SECTION
   -------------------------------------------------------------------------- */
.product-colors-section {
  padding-block: 0;
}

.product-faq {
  padding-block: var(--sp-9);
}

.product-comparison-section {
  background: var(--color-off-white);
}

/* --------------------------------------------------------------------------
   RESPONSIVE — Tablet (640px+) — Product pages
   -------------------------------------------------------------------------- */
@media (min-width: 640px) {
  .product-archive__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .color-swatches__grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .related-products__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .cta-help__inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .cta-help__actions {
    flex-shrink: 0;
  }
}

/* --------------------------------------------------------------------------
   RESPONSIVE — Desktop (1024px+) — Product pages
   -------------------------------------------------------------------------- */
@media (min-width: 1024px) {
  .product-archive__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .product-hero__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-10);
    align-items: start;
  }

  .color-swatches__grid {
    grid-template-columns: repeat(6, 1fr);
  }

  .related-products__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .series-card__image {
    aspect-ratio: 3 / 4;
  }
}

/* --------------------------------------------------------------------------
   29. REDUCED MOTION
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}