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

/* ============================================================
   OCTAVE AUDIO — Design System
   ============================================================ */

@layer base, layout, components, page, utilities;

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

  :root {
    /* Colors */
    --c-bg:          #111111;
    --c-surface:     #1a1a1a;
    --c-surface-2:   #222222;
    --c-border:      #2d2d2d;
    --c-text:        #f5f2ed;
    --c-text-2:      #888888;
    --c-text-3:      #555555;
    --c-accent:      #d37200;
    --c-accent-dim:  #8a4a00;
    --c-accent-bg:   rgba(211,114,0,.07);

    /* Typography */
    --f-serif: 'Playfair Display', Georgia, serif;
    --f-sans:  'DM Sans', -apple-system, sans-serif;
    --f-mono:  'DM Mono', 'Courier New', monospace;

    /* Spacing scale (× 4px) */
    --sp-1:  0.25rem;
    --sp-2:  0.5rem;
    --sp-3:  0.75rem;
    --sp-4:  1rem;
    --sp-5:  1.25rem;
    --sp-6:  1.5rem;
    --sp-8:  2rem;
    --sp-10: 2.5rem;
    --sp-12: 3rem;
    --sp-16: 4rem;
    --sp-20: 5rem;
    --sp-24: 6rem;

    /* Layout */
    --max-w:       1280px;
    --pad-x:       clamp(1.25rem, 5vw, 3.75rem);
    --header-h:    64px;

    /* Transitions */
    --dur-fast:    150ms;
    --dur-normal:  200ms;
    --dur-slow:    300ms;
    --ease:        cubic-bezier(0.4, 0, 0.2, 1);

    /* Z-index */
    --z-dropdown: 100;
    --z-overlay:  200;
    --z-header:   300;
  }

  html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }

  body {
    background: var(--c-bg);
    color: var(--c-text);
    font-family: var(--f-sans);
    font-weight: 300;
    font-size: 0.9375rem;
    line-height: 1.7;
  }

  img { max-width: 100%; height: auto; display: block; }
  a { color: inherit; text-decoration: none; }
  ul, ol { list-style: none; }

  ::selection { background: var(--c-accent); color: #111; }
  :focus-visible { outline: 1px solid var(--c-accent); outline-offset: 3px; }
  ::-webkit-scrollbar { width: 5px; }
  ::-webkit-scrollbar-track { background: var(--c-bg); }
  ::-webkit-scrollbar-thumb { background: #333; border-radius: 3px; }

  @media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
      animation-duration: 0.01ms !important;
      transition-duration: 0.01ms !important;
    }
  }
}

@layer layout {
  .container {
    width: 100%;
    max-width: var(--max-w);
    margin-inline: auto;
    padding-inline: var(--pad-x);
  }

  .section {
    padding-block: var(--sp-16);
  }

  .section--lg {
    padding-block: var(--sp-24);
  }
}

/* ============================================================
   HEADER & NAVIGATION
   ============================================================ */
@layer components {

  .site-header {
    position: fixed;
    inset-block-start: 0;
    inset-inline: 0;
    height: var(--header-h);
    background: rgba(26, 26, 26, 0.75);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(45, 45, 45, 0.5);
    z-index: var(--z-header);
    display: flex;
    align-items: center;
    transition: background var(--dur-normal) var(--ease);
  }

  .site-header.is-scrolled {
    background: rgba(26, 26, 26, 0.97);
  }

  .header-inner {
    width: 100%;
    max-width: var(--max-w);
    margin-inline: auto;
    padding-inline: var(--pad-x);
    display: flex;
    align-items: center;
    gap: var(--sp-8);
  }

  /* Mobile-first: logo left, nav hidden until 768px */
  .nav-logo {
    order: 0;
    margin-inline-start: 0;
    flex-shrink: 0;
    display: flex;
    align-items: center;
  }

  .nav-logo img {
    height: 36px;
    width: auto;
    display: block;
    object-fit: contain;
  }

  .nav-primary {
    display: none;
    align-items: center;
    gap: var(--sp-6);
    margin-inline-start: 0;
  }

  .nav-item {
    position: relative;
  }

  .nav-link {
    font-size: 0.875rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: #ffffff;
    padding-block: var(--sp-5);
    transition: color var(--dur-normal) var(--ease);
    display: flex;
    align-items: center;
    gap: var(--sp-1);
    cursor: pointer;
    white-space: nowrap;
  }

  .nav-link:hover,
  .nav-item:hover > .nav-link,
  .nav-item:focus-within > .nav-link {
    color: rgba(255, 255, 255, 0.75);
  }

  .nav-arrow {
    font-size: 0.5rem;
    transition: transform var(--dur-normal) var(--ease);
  }

  .nav-item:hover .nav-arrow,
  .nav-item:focus-within .nav-arrow {
    transform: rotate(180deg);
  }

  .nav-dropdown {
    position: absolute;
    inset-block-start: calc(100% + 1px);
    inset-inline-start: 0;
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-top: 2px solid var(--c-accent);
    min-width: 180px;
    padding-block: var(--sp-3);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-6px);
    transition:
      opacity var(--dur-normal) var(--ease),
      transform var(--dur-normal) var(--ease),
      visibility var(--dur-normal);
    z-index: var(--z-dropdown);
  }

  .nav-item:hover .nav-dropdown,
  .nav-item:focus-within .nav-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .nav-dropdown a {
    display: block;
    padding: var(--sp-2) var(--sp-5);
    font-size: 0.75rem;
    color: var(--c-text-2);
    letter-spacing: 0.04em;
    transition: color var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease);
  }

  .nav-dropdown a:hover {
    color: var(--c-text);
    background: var(--c-surface-2);
  }

  /* Social icons in header — hidden on mobile */
  .header-socials {
    display: none;
    order: 98;
    align-items: center;
    gap: var(--sp-2);
    flex-shrink: 0;
  }

  .header-social-link {
    color: #ffffff;
    border: 1px solid #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    transition: opacity var(--dur-fast);
  }

  .header-social-link:hover { opacity: 0.7; }

  /* Header extras — hidden on mobile */
  .header-extras {
    display: none;
    order: 97;
    align-items: center;
    gap: var(--sp-3);
    flex-shrink: 0;
  }

  .header-divider {
    width: 1px;
    height: 14px;
    background: var(--c-border);
  }

  .lang-btn {
    font-family: var(--f-mono);
    font-size: 0.625rem;
    letter-spacing: 0.12em;
    color: var(--c-text-3);
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--sp-1) var(--sp-2);
    transition: color var(--dur-fast);
  }

  .lang-btn.is-active { color: var(--c-text-2); }
  .lang-btn:hover { color: var(--c-text); }

  /* Hamburger — square white-bordered box, visible on mobile */
  .nav-toggle {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    width: 36px;
    height: 36px;
    padding: 0;
    background: transparent;
    border: 1.5px solid #ffffff;
    border-radius: 4px;
    cursor: pointer;
    flex-shrink: 0;
    margin-inline-start: auto;
    order: 100;
    z-index: calc(var(--z-overlay) + 1);
  }

  .nav-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background: #ffffff;
    border-radius: 0;
    transform-origin: center;
    transition: transform var(--dur-normal) var(--ease), opacity var(--dur-normal) var(--ease);
  }

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

  /* Mobile overlay */
  .mobile-nav {
    position: fixed;
    inset: 0;
    background: rgba(10, 10, 10, 0.97);
    z-index: var(--z-overlay);
    display: flex;
    flex-direction: column;
    padding: calc(var(--header-h) + var(--sp-8)) var(--pad-x) var(--sp-8);
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--dur-slow) var(--ease), visibility var(--dur-slow);
  }

  .mobile-nav.is-open {
    opacity: 1;
    visibility: visible;
  }

  .mobile-nav-section {
    border-bottom: 1px solid var(--c-border);
    padding-block: var(--sp-5);
  }

  .mobile-nav-title {
    font-size: 0.6875rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--c-text-3);
    margin-bottom: var(--sp-4);
    font-family: var(--f-mono);
  }

  .mobile-nav-link {
    display: block;
    font-size: 1.5rem;
    font-family: var(--f-serif);
    color: var(--c-text-2);
    padding-block: var(--sp-2);
    transition: color var(--dur-fast);
  }

  .mobile-nav-link:hover { color: var(--c-text); }

  .mobile-nav-sub {
    margin-top: var(--sp-3);
    padding-inline-start: var(--sp-4);
    border-inline-start: 1px solid var(--c-border);
  }

  .mobile-nav-sub a {
    display: block;
    font-size: 0.875rem;
    color: var(--c-text-3);
    padding-block: var(--sp-2);
    transition: color var(--dur-fast);
  }

  .mobile-nav-sub a:hover { color: var(--c-text-2); }

  /* ============================================================
     BUTTONS
     ============================================================ */

  .btn {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-2);
    padding: var(--sp-3) var(--sp-6);
    font-size: 0.6875rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    font-family: var(--f-sans);
    font-weight: 400;
    cursor: pointer;
    transition:
      background var(--dur-normal) var(--ease),
      color var(--dur-normal) var(--ease),
      border-color var(--dur-normal) var(--ease);
  }

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

  .btn-outline:hover {
    background: var(--c-accent);
    color: #111;
  }

  .btn-ghost {
    border: 1px solid var(--c-border);
    color: var(--c-text-2);
    background: transparent;
  }

  .btn-ghost:hover {
    border-color: var(--c-text-2);
    color: var(--c-text);
  }

  /* ============================================================
     HERO SLIDER
     ============================================================ */

  .hero {
    position: relative;
    height: 100svh;
    min-height: 520px;
    overflow: hidden;
    margin-block-start: 0;
  }

  .hero-slide {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    opacity: 0;
    transition: opacity var(--dur-slow) var(--ease);
    pointer-events: none;
  }

  .hero-slide.is-active {
    opacity: 1;
    pointer-events: auto;
  }

  .hero-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
  }

  .hero-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
      to right,
      rgba(10,10,10,0.88) 0%,
      rgba(10,10,10,0.6) 50%,
      rgba(10,10,10,0.2) 100%
    );
  }

  /* Hero info panel — slides in from left */
  .hero-panel {
    position: absolute;
    inset-block: 0;
    inset-inline-start: 0;
    width: 85%;
    background: #f5f2ed;
    transform: translateX(-100%);
    transition: transform 0.45s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 2;
    display: flex;
    flex-direction: column;
    overflow: hidden;
  }

  .hero-slide.is-panel-open .hero-panel {
    transform: translateX(0);
  }

  .hero-panel-img {
    flex: 1;
    width: 100%;
    object-fit: contain;
    padding: var(--sp-10) var(--sp-8) var(--sp-4);
    min-height: 0;
  }

  .hero-panel-body {
    padding: var(--sp-4) var(--sp-8) var(--sp-8) calc(var(--sp-8) + 45px + var(--sp-3));
    flex-shrink: 0;
  }

  .hero-panel-title {
    font-family: var(--f-serif);
    font-size: clamp(1.25rem, 3vw, 1.875rem);
    font-weight: 700;
    color: #111;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    margin-bottom: var(--sp-3);
  }

  .hero-panel-desc {
    font-size: 0.8125rem;
    color: #555;
    line-height: 1.75;
    margin-bottom: var(--sp-6);
    max-width: 300px;
  }

  /* Hero toggle button (+/−) */
  .hero-toggle {
    position: absolute;
    bottom: var(--sp-8);
    left: var(--sp-8);
    z-index: 3;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    line-height: 0;
    flex-shrink: 0;
  }

  .hero-toggle .plus-minus { width: 45px; height: 45px; }
  .hero-toggle .circle { fill: var(--c-accent); transition: fill var(--dur-normal) var(--ease); }
  .hero-toggle .stroke-symbol { stroke: #ffffff; stroke-width: 2.5; stroke-linecap: round; transition: opacity var(--dur-normal) var(--ease); }
  .hero-toggle[aria-expanded="true"] .circle { fill: #888888; }
  .hero-toggle[aria-expanded="true"] .stroke-symbol:last-child { opacity: 0; }

  .hero-dots {
    position: absolute;
    bottom: var(--sp-8);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--sp-3);
    z-index: 2;
  }

  .hero-dot {
    width: 24px;
    height: 2px;
    background: rgba(255,255,255,0.25);
    border: none;
    cursor: pointer;
    transition: background var(--dur-normal) var(--ease);
    padding: 0;
  }

  .hero-dot.is-active { background: var(--c-accent); }
  .hero-dot:hover { background: rgba(255,255,255,0.6); }

  /* ============================================================
     PAGE HERO (non-homepage)
     ============================================================ */

  .page-hero {
    margin-block-start: 0;
    position: relative;
    height: clamp(220px, 35vw, 420px);
    overflow: hidden;
  }

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

  .page-hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, rgba(10,10,10,0.3) 0%, rgba(10,10,10,0.7) 100%);
  }

  .page-hero-content {
    position: absolute;
    bottom: var(--sp-10);
    left: var(--pad-x);
    right: var(--pad-x);
    z-index: 1;
  }

  .page-hero-label {
    font-family: var(--f-mono);
    font-size: 0.625rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--c-accent);
    margin-bottom: var(--sp-3);
  }

  .page-hero-title {
    font-family: var(--f-serif);
    font-size: clamp(1.75rem, 4vw, 3rem);
    font-weight: 700;
    color: #fff;
    line-height: 1.15;
  }

  /* ============================================================
     SECTION HEADER
     ============================================================ */

  .section-header {
    margin-bottom: var(--sp-12);
  }

  .section-eyebrow {
    font-family: var(--f-mono);
    font-size: 0.625rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--c-accent);
    margin-bottom: var(--sp-4);
    display: block;
  }

  .section-title {
    font-family: var(--f-serif);
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 600;
    color: var(--c-text);
    line-height: 1.2;
  }

  /* ============================================================
     FEATURED PRODUCTS (homepage 2-col blocks)
     ============================================================ */

  .featured-block {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
    border-top: 1px solid var(--c-border);
  }

  .featured-image-wrap {
    aspect-ratio: 4/3;
    overflow: hidden;
    background: var(--c-surface);
  }

  .featured-image-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s var(--ease);
  }

  .featured-block:hover .featured-image-wrap img {
    transform: scale(1.03);
  }

  .featured-body {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: var(--sp-10) var(--sp-8);
    background: var(--c-surface);
  }

  .featured-eyebrow {
    font-family: var(--f-mono);
    font-size: 0.625rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--c-accent);
    margin-bottom: var(--sp-5);
  }

  .featured-title {
    font-family: var(--f-serif);
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    font-weight: 700;
    color: var(--c-text);
    line-height: 1.15;
    margin-bottom: var(--sp-4);
  }

  .featured-sub {
    color: var(--c-text-2);
    font-size: 0.875rem;
    line-height: 1.8;
    margin-bottom: var(--sp-8);
    max-width: 420px;
  }

  /* ============================================================
     THEME LIGHT — overrides for warm-white sections
     ============================================================ */

  .theme-light {
    --c-bg:       #f5f2ed;
    --c-surface:  #ffffff;
    --c-surface-2:#eeebe6;
    --c-border:   #d5d0ca;
    --c-text:     #111111;
    --c-text-2:   #444444;
    --c-text-3:   #666666;
    background: var(--c-bg);
    color: var(--c-text);
  }

  /* ============================================================
     PRODUCT OVERVIEW (accordion categories)
     ============================================================ */

  .overview-section {
    /* Each category and the heading bar manage their own backgrounds */
  }

  .overview-section-header {
    background: #f5f2ed;
    padding: var(--sp-10) 0 var(--sp-6);
  }

  /* Alternating backgrounds — counts <div> siblings, skips <header> */
  .overview-category:nth-of-type(odd) {
    --cat-hdr-bg: #f5f2ed;
    --cat-mdl-bg: #ffffff;
  }

  .overview-category:nth-of-type(even) {
    --cat-hdr-bg: #ffffff;
    --cat-mdl-bg: #f5f2ed;
  }

  .overview-cat-header {
    background: var(--cat-hdr-bg, #f5f2ed);
  }

  .overview-cat-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--sp-8);
    padding-block: var(--sp-10);
    align-items: center;
  }

  .overview-cat-info {
    display: flex;
    flex-direction: column;
    gap: var(--sp-4);
  }

  .overview-cat-title {
    font-family: var(--f-sans);
    font-size: clamp(1.25rem, 3vw, 1.875rem);
    font-weight: 700;
    color: #111111;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    line-height: 1.1;
  }

  .overview-cat-desc {
    font-size: 0.875rem;
    color: #444444;
    line-height: 1.75;
    max-width: 440px;
  }

  .overview-toggle {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-3);
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    margin-top: var(--sp-2);
  }

  .plus-minus {
    width: 36px;
    height: 36px;
    flex-shrink: 0;
  }

  .plus-minus .circle {
    fill: var(--c-accent);
  }

  .plus-minus .stroke-symbol {
    stroke: #ffffff;
    stroke-width: 2.5;
    stroke-linecap: round;
    transition: opacity var(--dur-normal) var(--ease);
  }

  .overview-toggle[aria-expanded="true"] .circle {
    fill: #888888;
  }

  .overview-toggle[aria-expanded="true"] .stroke-symbol:last-child {
    opacity: 0;
  }

  .overview-toggle-label {
    font-family: var(--f-mono);
    font-size: 0.625rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: #555555;
    transition: color var(--dur-fast);
  }

  .overview-toggle[aria-expanded="true"] .overview-toggle-label {
    color: #888888;
  }

  .overview-cat-image {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    overflow: hidden;
  }

  .overview-cat-image img {
    max-height: 220px;
    width: 100%;
    max-width: 520px;
    object-fit: contain;
    object-position: center right;
  }

  /* Models panel */
  .overview-cat-models {
    display: none;
    background: var(--cat-mdl-bg, #ffffff);
  }

  .overview-category.is-open .overview-cat-models {
    display: block;
  }

  /* V-chevron at top of models panel, in header's color.
     Angle matches the Octave logo V: width ≈ 1.06 × height */
  .overview-cat-models::before {
    content: '';
    display: block;
    width: 34px;
    height: 32px;
    margin: 0 auto;
    clip-path: polygon(0 0, 100% 0, 50% 100%);
    background: var(--cat-hdr-bg, #f5f2ed);
  }

  .overview-models-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    border-top: 1px solid #d5d0ca;
    padding-bottom: var(--sp-10);
  }

  .overview-model-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--sp-3);
    padding: var(--sp-8) var(--sp-6);
    text-decoration: none;
    color: #111111;
    border-right: 1px solid #d5d0ca;
    border-bottom: 1px solid #d5d0ca;
    position: relative;
    transition: background var(--dur-fast) var(--ease);
    text-align: center;
  }

  .overview-model-card:hover { background: rgba(0,0,0,0.03); }

  .overview-model-card img {
    max-height: 150px;
    width: 100%;
    max-width: 240px;
    object-fit: contain;
    object-position: center;
  }

  .overview-model-new {
    font-family: var(--f-mono);
    font-size: 0.5rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: #7bc97b;
    border: 1px solid rgba(123,201,123,0.4);
    padding: 2px 6px;
  }

  .overview-model-name {
    font-family: var(--f-sans);
    font-size: 0.6875rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: #111111;
  }

  .overview-model-arrow {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border: 1px solid #d0ccc7;
    border-radius: 50%;
    color: #888888;
    font-size: 0.875rem;
    margin-top: auto;
    transition: border-color var(--dur-fast), color var(--dur-fast);
  }

  .overview-model-card:hover .overview-model-arrow {
    border-color: #999999;
    color: #444444;
  }

  .category-new-badge {
    display: inline-block;
    padding: var(--sp-1) var(--sp-3);
    background: rgba(123,201,123,0.1);
    border: 1px solid rgba(123,201,123,0.3);
    color: #7bc97b;
    font-family: var(--f-mono);
    font-size: 0.5rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
  }

  /* ============================================================
     NEWS SECTION
     ============================================================ */

  .news-section {
    background: var(--c-surface);
    padding-block: var(--sp-20);
  }

  .news-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--sp-1);
    background: var(--c-border);
  }

  .news-card {
    background: var(--c-bg);
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
    transition: background var(--dur-normal) var(--ease);
  }

  .news-card:hover { background: var(--c-surface-2); }

  .news-card-img {
    aspect-ratio: 16/9;
    overflow: hidden;
    background: var(--c-surface-2);
  }

  .news-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s var(--ease);
  }

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

  .news-card-body {
    padding: var(--sp-6);
    display: flex;
    flex-direction: column;
    gap: var(--sp-3);
  }

  .news-date {
    font-family: var(--f-mono);
    font-size: 0.625rem;
    color: var(--c-text-3);
    letter-spacing: 0.08em;
  }

  .news-title {
    font-family: var(--f-sans);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--c-text);
    line-height: 1.4;
    letter-spacing: 0.04em;
    text-transform: uppercase;
  }

  .news-excerpt {
    font-size: 0.8125rem;
    color: var(--c-text-3);
    line-height: 1.7;
  }

  .news-read-more {
    font-family: var(--f-mono);
    font-size: 0.625rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--c-accent);
    margin-top: auto;
    display: inline-flex;
    align-items: center;
    gap: var(--sp-2);
    transition: gap var(--dur-fast) var(--ease);
  }

  .news-read-more:hover { gap: var(--sp-3); }

  /* ============================================================
     CTA ROW
     ============================================================ */

  .cta-row {
    display: grid;
    grid-template-columns: 1fr;
    background: var(--c-surface);
    border-top: 1px solid var(--c-border);
  }

  .cta-block {
    padding: var(--sp-12) var(--pad-x);
    border-bottom: 1px solid var(--c-border);
  }

  .cta-block:last-child { border-bottom: none; }

  .cta-label {
    font-family: var(--f-mono);
    font-size: 0.5625rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--c-text-3);
    margin-bottom: var(--sp-5);
    display: block;
  }

  .cta-title {
    font-family: var(--f-serif);
    font-size: 1.375rem;
    font-weight: 600;
    color: var(--c-text);
    margin-bottom: var(--sp-4);
    line-height: 1.3;
  }

  .cta-text {
    font-size: 0.875rem;
    color: var(--c-text-2);
    line-height: 1.8;
    margin-bottom: var(--sp-8);
    max-width: 400px;
  }

  /* ============================================================
     FOOTER
     ============================================================ */

  .site-footer {
    background: var(--c-surface);
    border-top: 1px solid var(--c-border);
    padding-block: var(--sp-12) var(--sp-8);
  }

  .footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--sp-10);
    margin-bottom: var(--sp-10);
  }

  .footer-logo {
    font-family: var(--f-serif);
    font-size: 1.125rem;
    color: var(--c-accent);
    letter-spacing: 0.08em;
    margin-bottom: var(--sp-5);
  }

  .footer-address {
    color: var(--c-text-3);
    font-size: 0.8125rem;
    line-height: 2;
  }

  .footer-heading {
    font-family: var(--f-mono);
    font-size: 0.5625rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--c-text-3);
    margin-bottom: var(--sp-5);
    display: block;
  }

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

  .footer-links a {
    font-size: 0.8125rem;
    color: var(--c-text-3);
    transition: color var(--dur-fast);
    line-height: 1.4;
  }

  .footer-links a:hover { color: var(--c-text-2); }

  .footer-badge {
    display: inline-block;
    border: 1px solid var(--c-border);
    padding: var(--sp-2) var(--sp-4);
    color: var(--c-text-3);
    font-family: var(--f-mono);
    font-size: 0.5625rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    margin-bottom: var(--sp-5);
  }

  .footer-legal {
    border-top: 1px solid var(--c-border);
    padding-top: var(--sp-6);
    display: flex;
    flex-direction: column;
    gap: var(--sp-3);
    align-items: flex-start;
  }

  .footer-legal-links {
    display: flex;
    flex-wrap: wrap;
    gap: var(--sp-5);
  }

  .footer-legal-links a {
    font-size: 0.75rem;
    color: var(--c-text-3);
    transition: color var(--dur-fast);
  }

  .footer-legal-links a:hover { color: var(--c-text-2); }

  .footer-copy {
    font-family: var(--f-mono);
    font-size: 0.625rem;
    color: #333;
    letter-spacing: 0.08em;
  }

  /* ============================================================
     PRODUCT PAGE
     ============================================================ */

  .product-intro {
    padding-block: var(--sp-12) var(--sp-8);
    border-bottom: 1px solid var(--c-border);
  }

  .product-category-label {
    font-family: var(--f-mono);
    font-size: 0.625rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--c-accent);
    margin-bottom: var(--sp-4);
    display: block;
  }

  .product-title {
    font-family: var(--f-serif);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    color: var(--c-text);
    line-height: 1.1;
    margin-bottom: var(--sp-4);
  }

  .product-subtitle {
    font-size: 1rem;
    color: var(--c-text-2);
    margin-bottom: var(--sp-8);
  }

  .product-quick-nav {
    display: flex;
    flex-wrap: wrap;
    gap: var(--sp-4);
    padding-block: var(--sp-4);
    border-top: 1px solid var(--c-border);
  }

  .product-quick-link {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-2);
    font-family: var(--f-mono);
    font-size: 0.625rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--c-text-3);
    padding: var(--sp-2) var(--sp-3) var(--sp-2) var(--sp-2);
    border: 1px solid var(--c-border);
    transition: color var(--dur-fast), border-color var(--dur-fast);
  }

  .product-quick-link::before {
    content: '›';
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--c-accent);
    color: #fff;
    font-size: 1rem;
    font-family: sans-serif;
    line-height: 1;
  }

  .product-quick-link:hover {
    color: var(--c-accent);
    border-color: var(--c-accent-dim);
  }

  /* Gallery */
  .gallery {
    margin-block: var(--sp-8);
  }

  .gallery-main-wrap {
    position: relative;
    margin-bottom: var(--sp-4);
  }

  .gallery-main {
    aspect-ratio: 16/9;
    overflow: hidden;
    background: var(--c-surface);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: zoom-in;
  }

  .gallery-main img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    transition: opacity var(--dur-slow) var(--ease);
  }

  .gallery-main img.is-fading { opacity: 0; }

  /* Paginator overlay */
  .gallery-nav {
    position: absolute;
    bottom: var(--sp-5);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 6px;
    z-index: 2;
    pointer-events: none;
  }

  .gallery-nav .nav-item {
    padding: 8px 2px;
    cursor: pointer;
    pointer-events: auto;
  }

  .gallery-nav .nav-item .selection-bar {
    width: 36px;
    height: 2px;
    background: rgba(255, 255, 255, 0.35);
    transition: background var(--dur-fast);
  }

  .gallery-nav .nav-item.tns-nav-active .selection-bar,
  .gallery-nav .nav-item:hover .selection-bar {
    background: var(--c-accent);
  }

  .gallery-thumbs {
    display: flex;
    gap: var(--sp-2);
    overflow-x: auto;
    padding-bottom: var(--sp-2);
    scrollbar-width: thin;
    scrollbar-color: var(--c-border) transparent;
  }

  .gallery-thumb {
    flex-shrink: 0;
    width: 72px;
    height: 52px;
    border: 1px solid var(--c-border);
    overflow: hidden;
    cursor: pointer;
    transition: border-color var(--dur-fast) var(--ease);
    background: var(--c-surface);
  }

  .gallery-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: opacity var(--dur-fast);
  }

  .gallery-thumb:hover { border-color: var(--c-text-3); }
  .gallery-thumb.is-active { border-color: var(--c-accent); }
  .gallery-thumb:not(.is-active) img { opacity: 0.55; }

  /* Product sections */
  .product-section {
    padding-block: var(--sp-12);
    border-top: 1px solid var(--c-border);
    scroll-margin-top: calc(var(--header-h) + var(--sp-6));
  }

  .product-section-title {
    font-family: var(--f-mono);
    font-size: 0.5625rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--c-text-3);
    margin-bottom: var(--sp-8);
    display: flex;
    align-items: center;
    gap: var(--sp-4);
  }

  .product-section-title::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--c-border);
  }

  .product-description {
    font-size: 0.9375rem;
    color: var(--c-text-2);
    line-height: 1.9;
    max-width: 720px;
  }

  .product-description p + p { margin-top: var(--sp-6); }

  /* Specs layout */
  .specs-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--sp-8);
  }

  .specs-group-title {
    font-family: var(--f-serif);
    font-size: 1rem;
    font-weight: 600;
    color: var(--c-text);
    margin-bottom: var(--sp-5);
  }

  .specs-list {
    display: flex;
    flex-direction: column;
    gap: 0;
  }

  .spec-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-4);
    padding-block: var(--sp-3);
    border-bottom: 1px solid var(--c-border);
    font-size: 0.875rem;
  }

  .spec-label {
    color: var(--c-text-3);
    font-size: 0.75rem;
  }

  .spec-value { color: var(--c-text); }

  .color-swatches {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-5);
  }

  .color-swatch-item {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-2);
    font-size: 0.75rem;
    color: var(--c-text);
  }

  .color-swatch {
    display: inline-block;
    width: 16px;
    height: 16px;
    border-radius: 2px;
    border: 1px solid rgba(0, 0, 0, 0.12);
    flex-shrink: 0;
  }

  /* Options */
  .options-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--sp-6);
  }

  .option-card {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: var(--sp-6);
    align-items: start;
    padding: var(--sp-6);
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    transition: border-color var(--dur-normal) var(--ease);
  }

  .option-card:hover { border-color: var(--c-accent-dim); }

  .option-img {
    width: 80px;
    height: 60px;
    object-fit: contain;
    background: var(--c-surface-2);
    padding: var(--sp-2);
  }

  .option-title {
    font-family: var(--f-serif);
    font-size: 1rem;
    font-weight: 600;
    color: var(--c-text);
    margin-bottom: var(--sp-3);
  }

  .option-desc {
    font-size: 0.8125rem;
    color: var(--c-text-3);
    line-height: 1.7;
  }

  /* ============================================================
     ABOUT PAGE
     ============================================================ */

  .about-sub-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 1px;
    background: var(--c-border);
    margin-bottom: var(--sp-16);
  }

  .about-sub-link {
    flex: 1;
    min-width: 120px;
    padding: var(--sp-4) var(--sp-5);
    text-align: center;
    font-family: var(--f-mono);
    font-size: 0.625rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--c-text-3);
    background: var(--c-surface);
    transition: color var(--dur-fast), background var(--dur-fast);
    white-space: nowrap;
  }

  .about-sub-link:hover { color: var(--c-text-2); background: var(--c-surface-2); }
  .about-sub-link.is-active { color: var(--c-accent); background: var(--c-surface-2); }

  .philosophy-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--sp-12);
    max-width: 900px;
  }

  .philosophy-lead {
    font-family: var(--f-serif);
    font-size: clamp(1.25rem, 2.5vw, 1.625rem);
    font-weight: 400;
    color: var(--c-text);
    line-height: 1.5;
  }

  .philosophy-block {
    border-top: 1px solid var(--c-border);
    padding-top: var(--sp-8);
  }

  .philosophy-block-title {
    font-family: var(--f-serif);
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--c-text);
    margin-bottom: var(--sp-4);
  }

  .philosophy-text {
    font-size: 0.9375rem;
    color: var(--c-text-2);
    line-height: 1.9;
  }

  .philosophy-text + .philosophy-text { margin-top: var(--sp-5); }

  .author-block {
    margin-top: var(--sp-12);
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--sp-8);
    align-items: start;
    border-top: 1px solid var(--c-border);
    padding-top: var(--sp-10);
  }

  .author-img {
    width: 100%;
    max-width: 260px;
    object-fit: cover;
    aspect-ratio: 2/3;
  }

  .author-quote {
    font-family: var(--f-serif);
    font-style: italic;
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--c-text-2);
    line-height: 1.7;
    margin-bottom: var(--sp-5);
  }

  .author-name {
    font-family: var(--f-mono);
    font-size: 0.6875rem;
    color: var(--c-text-3);
    letter-spacing: 0.1em;
    line-height: 1.8;
  }

  /* About sub-sections */
  .about-section {
    padding-block: var(--sp-16);
    border-top: 1px solid var(--c-border);
    scroll-margin-top: calc(var(--header-h) + var(--sp-6));
  }

  .about-section-title {
    font-family: var(--f-serif);
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 700;
    color: var(--c-text);
    margin-bottom: var(--sp-8);
  }

  .values-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--sp-6);
    margin-top: var(--sp-8);
  }

  .value-card {
    padding: var(--sp-8);
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-top: 2px solid var(--c-accent);
  }

  .value-title {
    font-family: var(--f-serif);
    font-size: 1.0625rem;
    font-weight: 600;
    color: var(--c-text);
    margin-bottom: var(--sp-4);
  }

  .value-text {
    font-size: 0.875rem;
    color: var(--c-text-2);
    line-height: 1.8;
  }

  /* History timeline */
  .timeline {
    display: flex;
    flex-direction: column;
    gap: 0;
  }

  .timeline-item {
    display: grid;
    grid-template-columns: 72px 1fr;
    gap: var(--sp-6);
    padding-block: var(--sp-6);
    border-bottom: 1px solid var(--c-border);
    align-items: start;
  }

  .timeline-year {
    font-family: var(--f-serif);
    font-weight: 700;
    font-size: 1.125rem;
    color: var(--c-accent);
    padding-top: 2px;
  }

  .timeline-text {
    font-size: 0.875rem;
    color: var(--c-text-2);
    line-height: 1.8;
  }

  /* ============================================================
     PRODUCTS CATALOG PAGE
     ============================================================ */

  .catalog-header {
    padding-block: var(--sp-12);
    border-bottom: 1px solid var(--c-border);
  }

  .catalog-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 1px;
    background: var(--c-border);
    margin-bottom: var(--sp-10);
  }

  .catalog-nav-btn {
    padding: var(--sp-3) var(--sp-5);
    font-family: var(--f-mono);
    font-size: 0.5625rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--c-text-3);
    background: var(--c-surface);
    border: none;
    cursor: pointer;
    transition: color var(--dur-fast), background var(--dur-fast);
    white-space: nowrap;
  }

  .catalog-nav-btn:hover { color: var(--c-text-2); background: var(--c-surface-2); }
  .catalog-nav-btn.is-active { color: var(--c-accent); background: var(--c-surface-2); }

  .products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1px;
    background: var(--c-border);
  }

  .product-card {
    background: var(--c-surface);
    padding: var(--sp-8) var(--sp-6);
    display: flex;
    flex-direction: column;
    gap: var(--sp-4);
    transition: background var(--dur-normal) var(--ease), border-color var(--dur-normal) var(--ease);
    border: 1px solid transparent;
    cursor: pointer;
    position: relative;
  }

  .product-card:hover {
    background: var(--c-surface-2);
    border-color: var(--c-accent);
    z-index: 1;
  }

  .product-card-img {
    height: 160px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--c-surface-2);
    overflow: hidden;
  }

  .product-card-img img {
    max-height: 140px;
    width: auto;
    max-width: 100%;
    object-fit: contain;
    transition: transform 0.4s var(--ease);
  }

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

  .product-card-cat {
    font-family: var(--f-mono);
    font-size: 0.5rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--c-text-3);
  }

  .product-card-name {
    font-family: var(--f-serif);
    font-size: 1rem;
    font-weight: 600;
    color: var(--c-text);
  }

  .product-card-desc {
    font-size: 0.8125rem;
    color: var(--c-text-3);
    line-height: 1.6;
  }

  .product-card-link {
    margin-top: auto;
    font-family: var(--f-mono);
    font-size: 0.5625rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--c-accent);
    display: inline-flex;
    align-items: center;
    gap: var(--sp-2);
    transition: gap var(--dur-fast);
  }

  .product-card:hover .product-card-link { gap: var(--sp-3); }

  .product-new-badge {
    position: absolute;
    top: var(--sp-4);
    right: var(--sp-4);
    padding: var(--sp-1) var(--sp-2);
    background: rgba(123,201,123,0.1);
    border: 1px solid rgba(123,201,123,0.3);
    color: #7bc97b;
    font-family: var(--f-mono);
    font-size: 0.4375rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
  }

} /* end @layer components */

/* ============================================================
   RESPONSIVE — TABLET (≥768px)
   ============================================================ */
@media (min-width: 768px) {
  .nav-primary { display: flex; }
  .header-extras { display: flex; }
  .header-socials { display: flex; }
  .nav-toggle { display: none; }

  .hero-panel { width: 44%; }

  /* Restore desktop logo position */
  .nav-logo {
    order: 99;
    margin-inline-start: auto;
  }

  .nav-logo img { height: 40px; }

  .featured-block {
    grid-template-columns: 1fr 1fr;
  }

  .featured-block.reverse .featured-image-wrap { grid-column: 2; grid-row: 1; }
  .featured-block.reverse .featured-body { grid-column: 1; grid-row: 1; }

  .featured-image-wrap { aspect-ratio: auto; }

  .overview-cat-layout { grid-template-columns: 1fr 1fr; gap: var(--sp-16); padding-block: var(--sp-12); }
  .overview-cat-image img { max-height: 300px; }
  .overview-models-grid { grid-template-columns: repeat(3, 1fr); }

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

  .news-card { display: flex; flex-direction: column; }
  .news-card-img { flex-shrink: 0; }

  .cta-row {
    grid-template-columns: 1fr 1fr;
  }

  .cta-block { border-bottom: none; border-right: 1px solid var(--c-border); }
  .cta-block:last-child { border-right: none; }

  .footer-grid { grid-template-columns: 2fr 1fr 1fr; }

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

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

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

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

  .philosophy-content { grid-template-columns: 1fr; }

  .author-block { grid-template-columns: 200px 1fr; }
}

/* ============================================================
   RESPONSIVE — DESKTOP (≥1024px)
   ============================================================ */
@media (min-width: 1024px) {
  .featured-image-wrap {
    min-height: 440px;
    aspect-ratio: auto;
  }

  .featured-body {
    padding: var(--sp-16) var(--sp-12);
  }

  .overview-cat-image img { max-height: 400px; }
  .overview-models-grid { grid-template-columns: repeat(4, 1fr); }

  .news-grid { gap: 1px; }

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

  .about-sub-nav {
    display: flex;
    flex-wrap: nowrap;
  }
}

/* ============================================================
   UTILITIES
   ============================================================ */
@layer utilities {
  .visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    white-space: nowrap;
    border: 0;
  }

  .text-accent { color: var(--c-accent); }
  .text-muted  { color: var(--c-text-2); }
  .text-serif  { font-family: var(--f-serif); }
  .text-mono   { font-family: var(--f-mono); }
  .uppercase   { text-transform: uppercase; letter-spacing: 0.08em; }
  .page-top-offset { padding-block-start: var(--header-h); }
}