/* Guowei — Salt & Stone Editorial Theme */
@import url('../fonts/fonts.css');

:root {
  --ink: #121110;
  --ink-soft: #3a3632;
  --ink-muted: #6b6560;
  --paper: #f0ebe3;
  --paper-deep: #e4ddd3;
  --white: #faf8f5;
  --copper: #b8722a;
  --copper-light: #d4954a;
  --forest: #2a4538;
  --forest-light: #3d6352;
  --line: rgba(18, 17, 16, 0.12);
  --line-strong: rgba(18, 17, 16, 0.25);
  --font-serif: 'Fraunces', Georgia, serif;
  --font-sans: 'DM Sans', system-ui, sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --wrap: 1280px;
  --gutter: clamp(20px, 4vw, 48px);
  --img-shadow: 0 24px 48px rgba(18, 17, 16, 0.1);
  --img-shadow-soft: 0 12px 28px rgba(18, 17, 16, 0.07);
  --img-filter: saturate(0.93) contrast(1.02);
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-sans);
  color: var(--ink);
  line-height: 1.65;
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

img { max-width: 100%; height: auto; display: block; }

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.25s var(--ease), opacity 0.25s var(--ease);
}

.wrap {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* ── Header ── */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: background 0.4s var(--ease), border-color 0.4s var(--ease);
  border-bottom: 1px solid transparent;
}

.site-header.scrolled {
  background: rgba(240, 235, 227, 0.92);
  backdrop-filter: blur(16px);
  border-bottom-color: var(--line);
}

.header-bar {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  height: 76px;
  gap: 24px;
}

.logo {
  justify-self: start;
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo img {
  height: 40px;
  width: auto;
}

.logo-text {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-muted);
  line-height: 1.4;
  display: none;
}

@media (min-width: 900px) {
  .logo-text { display: block; }
}

.main-nav ul {
  display: flex;
  list-style: none;
  gap: 0;
}

.main-nav a {
  display: block;
  padding: 8px 18px;
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
  position: relative;
}

.main-nav a::after {
  content: "";
  position: absolute;
  bottom: 2px;
  left: 18px;
  right: 18px;
  height: 1px;
  background: var(--copper);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s var(--ease);
}

.main-nav a:hover::after,
.main-nav a.active::after { transform: scaleX(1); }

.main-nav a.active { color: var(--ink); }

.header-actions {
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  display: block;
  width: 26px;
  height: 1.5px;
  background: var(--ink);
  transition: transform 0.3s var(--ease);
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1px solid var(--ink);
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  transition: all 0.35s var(--ease);
}

.btn:hover {
  background: var(--ink);
  color: var(--white);
}

.btn-solid {
  background: var(--ink);
  color: var(--white);
}

.btn-solid:hover {
  background: var(--copper);
  border-color: var(--copper);
}

.btn-copper {
  background: var(--copper);
  border-color: var(--copper);
  color: var(--white);
}

.btn-copper:hover {
  background: var(--copper-light);
  border-color: var(--copper-light);
}

.btn-ghost {
  border-color: var(--line-strong);
  color: var(--ink-soft);
}

.btn-ghost:hover {
  border-color: var(--ink);
  background: transparent;
  color: var(--ink);
}

.btn-arrow::after {
  content: "→";
  transition: transform 0.3s var(--ease);
}

.btn-arrow:hover::after { transform: translateX(4px); }

/* ── Section system ── */
section { padding: clamp(72px, 10vw, 120px) 0; }

.section-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--copper);
  margin-bottom: 16px;
}

.section-num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--ink-muted);
}

.section-head {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: clamp(24px, 5vw, 64px);
  align-items: end;
  margin-bottom: clamp(40px, 6vw, 72px);
  padding-bottom: 32px;
  border-bottom: 1px solid var(--line);
}

.section-head-num {
  font-family: var(--font-serif);
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 400;
  line-height: 0.85;
  color: var(--paper-deep);
  -webkit-text-stroke: 1px var(--line-strong);
  user-select: none;
}

.section-head-text h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  font-weight: 600;
  line-height: 1.15;
  color: var(--ink);
  margin-bottom: 12px;
}

.section-head-text p {
  color: var(--ink-muted);
  max-width: 520px;
  font-size: 1.02rem;
}

.bg-white { background: var(--white); }
.bg-ink { background: var(--ink); color: var(--paper); }
.bg-forest { background: var(--forest); color: var(--paper); }

/* ── Hero (Home) ── */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: 76px;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 5vw, 80px);
  align-items: center;
  padding: clamp(48px, 8vw, 100px) var(--gutter);
  max-width: var(--wrap);
  margin: 0 auto;
  width: 100%;
}

.hero-text h1 {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 5.5vw, 4.5rem);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 20px 0 28px;
}

.hero-text h1 em {
  font-style: italic;
  color: var(--copper);
}

.hero-lead {
  font-size: 1.1rem;
  color: var(--ink-muted);
  max-width: 440px;
  margin-bottom: 36px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-visual {
  width: 100%;
  max-width: min(100%, 520px);
  justify-self: end;
}

.hero-figure {
  margin: 0;
}

.hero-figure-media {
  background: var(--white);
  border: 1px solid var(--line);
  padding: clamp(12px, 2vw, 18px);
  box-shadow: var(--img-shadow-soft);
}

.hero-figure-media img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  object-position: center;
  display: block;
  filter: var(--img-filter);
}

.hero-figure-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px 20px;
  margin-top: 14px;
  flex-wrap: wrap;
}

.hero-frame-label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  background: var(--copper);
  color: var(--white);
  padding: 7px 14px;
}

.hero-figure-note {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.hero-ticker {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
  background: var(--white);
}

.ticker-track {
  display: flex;
  animation: ticker 35s linear infinite;
  width: max-content;
}

.ticker-track span {
  flex-shrink: 0;
  padding: 18px 40px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-muted);
  white-space: nowrap;
}

.ticker-track span::before {
  content: "◆";
  margin-right: 16px;
  color: var(--copper);
  font-size: 0.5rem;
}

@keyframes ticker {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ── Product showcase rows ── */
.product-showcase {
  display: flex;
  flex-direction: column;
}

.product-row {
  display: grid;
  grid-template-columns: 64px 1fr 1fr;
  gap: clamp(24px, 4vw, 48px);
  align-items: center;
  padding: clamp(40px, 6vw, 64px) 0;
  border-bottom: 1px solid var(--line);
  transition: background 0.4s var(--ease);
}

.product-row:first-child { border-top: 1px solid var(--line); }

.product-row:hover { background: rgba(255, 255, 255, 0.5); }

.product-row.reverse {
  direction: rtl;
}

.product-row.reverse > * { direction: ltr; }

.product-index {
  font-family: var(--font-serif);
  font-size: 2rem;
  color: var(--paper-deep);
  -webkit-text-stroke: 1px var(--line-strong);
  text-align: center;
}

.product-row-img {
  aspect-ratio: 5/4;
  overflow: hidden;
  background: var(--paper-deep);
  padding: clamp(10px, 1.5vw, 14px);
  border: 1px solid var(--line);
  position: relative;
  align-self: center;
}

.product-row-img::after {
  content: "";
  position: absolute;
  inset: clamp(10px, 1.5vw, 14px);
  border: 1px solid rgba(18, 17, 16, 0.07);
  pointer-events: none;
  z-index: 1;
}

.product-row-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 45%;
  filter: var(--img-filter);
  transition: transform 0.8s var(--ease), filter 0.4s var(--ease);
}

.product-row:hover .product-row-img img {
  transform: scale(1.03);
  filter: saturate(1) contrast(1.02);
}

.product-row-body h3 {
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 2.5vw, 1.85rem);
  margin-bottom: 12px;
}

.product-tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--copper);
  margin-bottom: 10px;
  display: block;
}

.product-row-body p {
  color: var(--ink-muted);
  margin-bottom: 20px;
  font-size: 0.95rem;
}

.product-meta-inline {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-bottom: 24px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.product-meta-inline strong {
  color: var(--ink);
  font-weight: 500;
}

.link-underline {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink);
  border-bottom: 1px solid var(--copper);
  padding-bottom: 2px;
}

.link-underline:hover { color: var(--copper); }

/* ── Bento features ── */
.bento {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-template-rows: auto;
  gap: 2px;
  background: var(--line);
  border: 1px solid var(--line);
}

.bento-cell {
  background: var(--white);
  padding: clamp(28px, 4vw, 40px);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 200px;
  transition: background 0.35s var(--ease);
}

.bento-cell:hover { background: var(--paper); }

.bento-cell.span-4 { grid-column: span 4; }
.bento-cell.span-6 { grid-column: span 6; }
.bento-cell.span-8 { grid-column: span 8; }
.bento-cell.dark {
  background: var(--ink);
  color: var(--paper);
}

.bento-cell.dark:hover { background: var(--forest); }

.bento-cell.accent {
  background: var(--copper);
  color: var(--white);
}

.bento-num {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  opacity: 0.6;
  margin-bottom: auto;
  padding-bottom: 24px;
}

.bento-cell h3 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  margin-bottom: 8px;
}

.bento-cell p {
  font-size: 0.88rem;
  opacity: 0.75;
  line-height: 1.55;
}

.bento-cell.dark p,
.bento-cell.accent p { opacity: 0.85; }

/* ── About strip ── */
.about-strip {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: start;
}

.about-quote {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  line-height: 1.35;
  font-weight: 400;
  color: var(--ink);
  border-left: 3px solid var(--copper);
  padding-left: clamp(24px, 4vw, 40px);
}

.about-quote cite {
  display: block;
  margin-top: 24px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-style: normal;
  color: var(--ink-muted);
}

.about-facts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  background: var(--line);
  border: 1px solid var(--line);
}

.fact-cell {
  background: var(--white);
  padding: 28px;
}

.fact-cell strong {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.75rem;
  color: var(--copper);
  margin-bottom: 6px;
}

.fact-cell span {
  font-size: 0.85rem;
  color: var(--ink-muted);
}

.about-body p {
  color: var(--ink-muted);
  margin-bottom: 16px;
}

/* ── Markets typographic list ── */
.market-list {
  columns: 2;
  column-gap: clamp(40px, 6vw, 80px);
}

.market-list-item {
  break-inside: avoid;
  display: flex;
  gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.market-code {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  color: var(--copper);
  flex-shrink: 0;
  padding-top: 4px;
}

.market-list-item h4 {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  margin-bottom: 4px;
}

.market-list-item p {
  font-size: 0.85rem;
  color: var(--ink-muted);
}

/* ── News editorial ── */
.news-editorial {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 2px;
  background: var(--line);
  border: 1px solid var(--line);
}

.news-featured {
  background: var(--white);
  padding: clamp(32px, 5vw, 48px);
  display: flex;
  flex-direction: column;
}

.news-side {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.news-side .news-item {
  flex: 1;
  background: var(--white);
  padding: clamp(24px, 3vw, 32px);
}

.news-date {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--copper);
  margin-bottom: 12px;
}

.news-featured h3 {
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  line-height: 1.25;
  margin-bottom: 16px;
}

.news-item h3 {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  line-height: 1.3;
  margin-bottom: 10px;
}

.news-featured p,
.news-item p {
  color: var(--ink-muted);
  font-size: 0.92rem;
  margin-bottom: 20px;
  flex-grow: 1;
}

.news-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: 1px solid var(--line-strong);
  padding: 4px 10px;
  margin-bottom: 16px;
}

/* ── CTA block ── */
.cta-block {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 40px;
  align-items: center;
  padding: clamp(48px, 6vw, 72px);
  background: var(--ink);
  color: var(--paper);
  margin: 0 var(--gutter);
  max-width: calc(var(--wrap));
  margin-left: auto;
  margin-right: auto;
}

.cta-block h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  line-height: 1.2;
}

.cta-block p {
  margin-top: 12px;
  opacity: 0.65;
  max-width: 480px;
}

/* ── Page header (inner pages) ── */
.page-hero {
  padding: calc(76px + clamp(48px, 8vw, 80px)) var(--gutter) clamp(48px, 6vw, 64px);
  border-bottom: 1px solid var(--line);
  background: var(--white);
}

.page-hero-inner {
  max-width: var(--wrap);
  margin: 0 auto;
}

.page-hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(2.25rem, 5vw, 4rem);
  font-weight: 600;
  line-height: 1.1;
  max-width: 720px;
}

.breadcrumb {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 24px;
}

.breadcrumb a:hover { color: var(--copper); }

/* ── Product detail pages ── */
.product-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: start;
  padding: clamp(48px, 7vw, 80px) 0;
  border-bottom: 1px solid var(--line);
}

.product-block.reverse { direction: rtl; }
.product-block.reverse > * { direction: ltr; }

.product-block-img {
  position: sticky;
  top: 100px;
  background: var(--white);
  padding: clamp(14px, 2vw, 22px);
  border: 1px solid var(--line);
  box-shadow: var(--img-shadow-soft);
}

.product-block-img::before {
  content: "";
  display: block;
  height: 3px;
  background: linear-gradient(90deg, var(--copper), var(--copper-light));
  margin: calc(-1 * clamp(14px, 2vw, 22px)) calc(-1 * clamp(14px, 2vw, 22px)) clamp(12px, 1.5vw, 16px);
}

.product-block-img img {
  width: 100%;
  aspect-ratio: 4/5;
  object-fit: cover;
  object-position: center 40%;
  filter: var(--img-filter);
}

.product-block-info h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  margin-bottom: 16px;
}

.product-meta-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  padding: 20px 0;
  margin-bottom: 24px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.product-meta-bar span { color: var(--ink-muted); }
.product-meta-bar strong { color: var(--ink); }

.product-block-info > p {
  color: var(--ink-muted);
  margin-bottom: 14px;
}

.app-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-top: 32px;
}

.app-cell {
  background: var(--white);
  padding: 24px;
}

.app-cell h4 {
  font-family: var(--font-serif);
  font-size: 1rem;
  margin-bottom: 8px;
  color: var(--forest);
}

.app-cell p {
  font-size: 0.85rem;
  color: var(--ink-muted);
}

/* ── Spec table ── */
.spec-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.spec-table th {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-align: left;
  padding: 16px 20px;
  background: var(--ink);
  color: var(--paper);
  font-weight: 500;
}

.spec-table td {
  padding: 16px 20px;
  border-bottom: 1px solid var(--line);
  background: var(--white);
}

.spec-table td:first-child {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  font-weight: 500;
  background: var(--paper);
}

.spec-table tr:last-child td { border-bottom: none; }

/* ── Info grid ── */
.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2px;
  background: var(--line);
  border: 1px solid var(--line);
}

.info-cell {
  background: var(--white);
  padding: 28px;
}

.info-cell h4 {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.info-cell ul { list-style: none; }

.info-cell li {
  font-size: 0.88rem;
  color: var(--ink-muted);
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
}

.info-cell li:last-child { border-bottom: none; }

/* ── FAQ ── */
.faq-list { max-width: 760px; }

.faq-item { border-bottom: 1px solid var(--line); }

.faq-question {
  width: 100%;
  padding: 24px 0;
  background: none;
  border: none;
  text-align: left;
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--ink);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.faq-question::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--copper);
  flex-shrink: 0;
  transition: transform 0.3s var(--ease);
}

.faq-item.open .faq-question::after { transform: rotate(45deg); }

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s var(--ease);
}

.faq-answer-inner {
  padding-bottom: 24px;
  color: var(--ink-muted);
  font-size: 0.92rem;
}

.faq-item.open .faq-answer { max-height: 280px; }

/* ── About page ── */
.about-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: clamp(40px, 6vw, 80px);
}

.about-sidebar {
  position: sticky;
  top: 100px;
  align-self: start;
}

.about-sidebar-logo {
  border: 1px solid var(--line);
  padding: 32px;
  background: var(--white);
  margin-bottom: 24px;
}

.about-sidebar-logo img {
  max-height: 56px;
  margin: 0 auto 16px;
}

.about-sidebar-logo p {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-align: center;
  color: var(--ink-muted);
}

.about-content h2 {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  margin: 48px 0 16px;
}

.about-content h2:first-child { margin-top: 0; }

.about-content p {
  color: var(--ink-muted);
  margin-bottom: 16px;
}

.values-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
  background: var(--line);
  border: 1px solid var(--line);
  margin: 32px 0;
}

.value-cell {
  background: var(--white);
  padding: 24px;
  text-align: center;
}

.value-cell h3 {
  font-family: var(--font-serif);
  font-size: 1rem;
  margin-bottom: 8px;
  color: var(--copper);
}

.value-cell p {
  font-size: 0.82rem;
  color: var(--ink-muted);
}

.timeline {
  margin: 32px 0;
  border-left: 1px solid var(--line-strong);
  padding-left: 32px;
}

.timeline-item {
  position: relative;
  margin-bottom: 32px;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -37px;
  top: 8px;
  width: 9px;
  height: 9px;
  background: var(--copper);
  border-radius: 50%;
}

.timeline-item h4 {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  margin-bottom: 6px;
}

.timeline-item p {
  font-size: 0.88rem;
  color: var(--ink-muted);
}

/* ── News page list ── */
.news-list-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: var(--line);
  border: 1px solid var(--line);
}

.news-list-card {
  background: var(--white);
  padding: clamp(24px, 3vw, 32px);
  display: flex;
  flex-direction: column;
  transition: background 0.3s var(--ease);
}

.news-list-card:hover { background: var(--paper); }

.news-list-card h3 {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  line-height: 1.35;
  margin-bottom: 10px;
}

.news-article {
  max-width: 680px;
  padding: clamp(48px, 6vw, 64px) 0;
  border-bottom: 1px solid var(--line);
}

.news-article h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  line-height: 1.25;
  margin-bottom: 20px;
}

.news-article h3 {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  margin: 28px 0 10px;
  color: var(--forest);
}

.news-article p {
  color: var(--ink-muted);
  margin-bottom: 14px;
}

/* ── Contact ── */
.contact-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-bottom: clamp(40px, 6vw, 64px);
}

.contact-card {
  background: var(--white);
  padding: clamp(24px, 3vw, 36px);
  border-left: 3px solid var(--copper);
}

.contact-card h4 {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--copper);
  margin-bottom: 14px;
}

.contact-card p {
  font-size: clamp(1rem, 2vw, 1.12rem);
  color: var(--ink);
  line-height: 1.5;
  word-break: break-word;
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: clamp(40px, 6vw, 80px);
}

.contact-details h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  margin-bottom: 16px;
}

.contact-details > p {
  color: var(--ink-muted);
  margin-bottom: 36px;
}

.contact-row {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.contact-row-icon {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  color: var(--copper);
  padding-top: 4px;
}

.contact-row h4 {
  font-size: 0.72rem;
  font-family: var(--font-mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 4px;
}

.contact-row p {
  font-size: 0.9rem;
  color: var(--ink-muted);
}

.contact-form-wrap {
  background: var(--white);
  border: 1px solid var(--line);
  padding: clamp(32px, 4vw, 48px);
}

.contact-form-wrap h3 {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  margin-bottom: 28px;
}

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

.form-group label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 8px;
  color: var(--ink-muted);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--line-strong);
  background: var(--paper);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--ink);
  transition: border-color 0.25s var(--ease);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--copper);
  background: var(--white);
}

.form-group textarea {
  min-height: 130px;
  resize: vertical;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.map-block {
  margin-top: 48px;
  padding: 48px;
  border: 1px solid var(--line);
  background: var(--white);
  text-align: center;
}

.map-block strong {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  display: block;
  margin-bottom: 8px;
}

.map-block p {
  font-size: 0.88rem;
  color: var(--ink-muted);
}

.map-embed-wrap {
  margin-top: 24px;
  border: 1px solid var(--line);
  overflow: hidden;
}

.map-embed {
  display: block;
  width: 100%;
  height: 400px;
  border: 0;
}

.form-success {
  margin-top: 20px;
  padding: 16px;
  background: var(--forest);
  color: var(--white);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-align: center;
}

.form-error {
  margin-top: 20px;
  padding: 16px;
  background: #8b2e2e;
  color: var(--white);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-align: center;
  line-height: 1.5;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* ── Social float (right sidebar) ── */
.social-float {
  position: fixed;
  top: 50%;
  right: 0;
  z-index: 900;
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 10px 6px;
  background: rgba(18, 17, 16, 0.94);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-right: none;
  border-radius: 10px 0 0 10px;
  box-shadow: -6px 0 28px rgba(18, 17, 16, 0.18);
  transform: translateY(-50%);
  backdrop-filter: blur(12px);
}

.social-float-link {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  color: rgba(250, 248, 245, 0.82);
  transition: color 0.25s var(--ease), background 0.25s var(--ease);
  border-radius: 6px;
}

.social-float-link svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.social-float-link:hover,
.social-float-link:focus-visible {
  color: var(--paper);
  background: rgba(184, 114, 42, 0.28);
  outline: none;
}

.social-float-label {
  position: absolute;
  right: calc(100% + 12px);
  top: 50%;
  transform: translateY(-50%) translateX(6px);
  padding: 7px 12px;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  white-space: nowrap;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 4px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.25s var(--ease), transform 0.25s var(--ease), visibility 0.25s;
}

.social-float-link:hover .social-float-label,
.social-float-link:focus-visible .social-float-label {
  opacity: 1;
  visibility: visible;
  transform: translateY(-50%) translateX(0);
}

@media (max-width: 768px) {
  .social-float {
    top: auto;
    bottom: max(16px, env(safe-area-inset-bottom));
    right: max(0px, env(safe-area-inset-right));
    transform: none;
    flex-direction: column;
    padding: 8px 5px;
    border-radius: 10px 0 0 10px;
    gap: 1px;
  }

  .social-float-link {
    width: 42px;
    height: 42px;
  }

  .social-float-link svg {
    width: 18px;
    height: 18px;
  }

  .social-float-label {
    display: none;
  }
}

@media (max-width: 480px) and (max-height: 700px) {
  .social-float {
    flex-direction: row;
    bottom: max(12px, env(safe-area-inset-bottom));
    right: max(12px, env(safe-area-inset-right));
    border-right: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 999px;
    padding: 6px 8px;
    gap: 2px;
  }

  .social-float-link {
    width: 38px;
    height: 38px;
    border-radius: 50%;
  }

  .social-float-link svg {
    width: 16px;
    height: 16px;
  }
}

/* ── Footer ── */
.site-footer {
  background: var(--ink);
  color: rgba(250, 248, 245, 0.65);
  padding: clamp(56px, 8vw, 80px) 0 0;
  margin-top: clamp(48px, 6vw, 80px);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr 1.2fr;
  gap: clamp(32px, 5vw, 48px);
  padding-bottom: clamp(40px, 6vw, 56px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand-name {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--paper);
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 0.88rem;
  line-height: 1.7;
}

.footer-col h4 {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--paper);
  margin-bottom: 20px;
}

.footer-col ul { list-style: none; }

.footer-col li { margin-bottom: 10px; }

.footer-col a {
  font-size: 0.88rem;
  color: rgba(250, 248, 245, 0.55);
}

.footer-col a:hover { color: var(--copper-light); }

.footer-contact p {
  font-size: 0.85rem;
  margin-bottom: 8px;
}

.footer-bottom {
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(250, 248, 245, 0.35);
}

/* ── Legacy class aliases (inner pages) ── */
.container { max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }
.bg-alt { background: var(--white); }
.product-detail-section { padding: clamp(48px, 7vw, 80px) 0; }
.section-header { margin-bottom: 48px; }
.section-header .label { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--copper); margin-bottom: 12px; display: block; }
.section-header h2 { font-family: var(--font-serif); font-size: clamp(1.75rem, 3vw, 2.25rem); margin-bottom: 12px; }
.section-header p { color: var(--ink-muted); max-width: 560px; }
.product-meta { display: flex; flex-wrap: wrap; gap: 24px; font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.06em; text-transform: uppercase; }
.product-meta strong { color: var(--ink); }
.btn-primary { background: var(--ink); color: var(--white); border: 1px solid var(--ink); }
.btn-primary:hover { background: var(--copper); border-color: var(--copper); color: var(--white); }
.btn-accent { background: var(--copper); color: var(--white); border: 1px solid var(--copper); }
.btn-accent:hover { background: var(--copper-light); border-color: var(--copper-light); color: var(--white); }
.read-more { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.1em; text-transform: uppercase; border-bottom: 1px solid var(--copper); }
.read-more:hover { color: var(--copper); }
.cta-banner { display: grid; grid-template-columns: 1fr auto; gap: 40px; align-items: center; padding: clamp(48px, 6vw, 72px); background: var(--ink); color: var(--paper); margin: 0 var(--gutter); max-width: var(--wrap); margin-left: auto; margin-right: auto; }
.cta-banner h2 { font-family: var(--font-serif); font-size: clamp(1.75rem, 3vw, 2.5rem); }
.cta-banner p { margin-top: 12px; opacity: 0.65; max-width: 480px; }
.page-header { padding: calc(76px + clamp(48px, 8vw, 80px)) var(--gutter) clamp(48px, 6vw, 64px); border-bottom: 1px solid var(--line); background: var(--white); text-align: left; }
.page-header h1 { font-family: var(--font-serif); font-size: clamp(2.25rem, 5vw, 4rem); font-weight: 600; line-height: 1.1; max-width: 720px; margin: 0 auto 0 0; }
.page-header .container { max-width: var(--wrap); margin: 0 auto; }
.applications-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 2px; background: var(--line); border: 1px solid var(--line); }
.app-item { background: var(--white); padding: 24px; }
.app-item h4 { font-family: var(--font-serif); font-size: 1rem; margin-bottom: 8px; color: var(--forest); }
.app-item p { font-size: 0.85rem; color: var(--ink-muted); }
.info-boxes { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 2px; background: var(--line); border: 1px solid var(--line); }
.info-box { background: var(--white); padding: 28px; }
.info-box h4 { font-family: var(--font-serif); font-size: 1.05rem; margin-bottom: 16px; padding-bottom: 12px; border-bottom: 1px solid var(--line); }
.info-box ul { list-style: none; }
.info-box li { font-size: 0.88rem; color: var(--ink-muted); padding: 8px 0; border-bottom: 1px solid var(--line); }
.info-box li:last-child { border-bottom: none; }
.product-detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 6vw, 80px); align-items: start; margin-bottom: 48px; }
.product-gallery {
  background: var(--white);
  padding: clamp(14px, 2vw, 22px);
  border: 1px solid var(--line);
  box-shadow: var(--img-shadow-soft);
}
.product-gallery img {
  width: 100%;
  aspect-ratio: 4/5;
  object-fit: cover;
  object-position: center 40%;
  filter: var(--img-filter);
}
.product-info h2 { font-family: var(--font-serif); font-size: clamp(1.75rem, 3vw, 2.5rem); margin-bottom: 16px; }
.product-info > p { color: var(--ink-muted); margin-bottom: 14px; }
.contact-grid { display: grid; grid-template-columns: 1fr 1.3fr; gap: clamp(40px, 6vw, 80px); }
.contact-info h2 { font-family: var(--font-serif); font-size: clamp(1.75rem, 3vw, 2.25rem); margin-bottom: 16px; }
.contact-item { display: grid; grid-template-columns: 48px 1fr; gap: 16px; padding: 20px 0; border-bottom: 1px solid var(--line); }
.contact-icon { font-family: var(--font-mono); font-size: 0.65rem; color: var(--copper); padding-top: 4px; }
.contact-item h4 { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 4px; }
.contact-item p { font-size: 0.9rem; color: var(--ink-muted); }
.contact-form { background: var(--white); border: 1px solid var(--line); padding: clamp(32px, 4vw, 48px); }
.contact-form h3 { font-family: var(--font-serif); font-size: 1.35rem; margin-bottom: 28px; }
.map-placeholder { margin-top: 48px; padding: 48px; border: 1px solid var(--line); background: var(--white); text-align: center; }
.about-preview { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 6vw, 80px); align-items: start; }
.about-preview-content h2 { font-family: var(--font-serif); font-size: clamp(1.75rem, 3vw, 2.25rem); margin-bottom: 16px; }
.about-preview-content p { color: var(--ink-muted); margin-bottom: 14px; }
.about-preview-content .label { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--copper); margin-bottom: 12px; display: block; }
.about-visual { border: 1px solid var(--line); background: var(--white); padding: 48px; text-align: center; }
.about-visual-inner img { max-height: 56px; margin: 0 auto 20px; }
.about-visual-inner h3 { font-family: var(--font-serif); font-size: 1.35rem; margin-bottom: 10px; }
.about-visual-inner p { font-size: 0.9rem; color: var(--ink-muted); }
.about-highlights { display: grid; grid-template-columns: 1fr 1fr; gap: 2px; background: var(--line); border: 1px solid var(--line); margin: 28px 0; }
.highlight-box { background: var(--white); padding: 20px; }
.highlight-box strong { display: block; font-family: var(--font-serif); font-size: 1.35rem; color: var(--copper); margin-bottom: 4px; }
.highlight-box span { font-size: 0.82rem; color: var(--ink-muted); }
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 2px; background: var(--line); border: 1px solid var(--line); }
.feature-item { background: var(--white); padding: 28px; }
.feature-item h3 { font-family: var(--font-serif); font-size: 1.05rem; margin-bottom: 8px; }
.feature-item p { font-size: 0.88rem; color: var(--ink-muted); }
.feature-icon { display: none; }
.values-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2px; background: var(--line); border: 1px solid var(--line); margin: 32px 0; }
.value-card { background: var(--white); padding: 24px; text-align: center; }
.value-card h3 { font-family: var(--font-serif); font-size: 1rem; margin-bottom: 8px; color: var(--copper); }
.value-card p { font-size: 0.82rem; color: var(--ink-muted); }
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px; background: var(--line); border: 1px solid var(--line); }
.news-card { background: var(--white); padding: clamp(24px, 3vw, 32px); }
.news-card-image { display: none; }
.news-card-body h3 { font-family: var(--font-serif); font-size: 1.05rem; line-height: 1.35; margin-bottom: 10px; }
.news-card-body p { font-size: 0.88rem; color: var(--ink-muted); margin-bottom: 16px; }
.news-meta { font-family: var(--font-mono); font-size: 0.65rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--copper); margin-bottom: 16px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: clamp(32px, 5vw, 48px); padding-bottom: clamp(40px, 6vw, 56px); border-bottom: 1px solid rgba(255,255,255,0.08); }
.footer-brand img { display: none; }
.header-cta .btn, .header-actions .btn { padding: 10px 20px; font-size: 0.68rem; }
.header-inner { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; height: 76px; gap: 24px; }
.logo { justify-self: start; }

/* ── Responsive ── */
@media (max-width: 1024px) {
  .hero-grid,
  .about-strip,
  .product-block,
  .product-detail-grid,
  .contact-layout,
  .contact-grid,
  .about-layout,
  .news-editorial { grid-template-columns: 1fr; }

  .contact-cards {
    grid-template-columns: 1fr;
  }

  .product-row {
    grid-template-columns: 48px 1fr;
    grid-template-rows: auto auto;
    align-items: start;
  }
  .product-row-img {
    grid-column: 2;
    grid-row: 1;
    max-width: 420px;
    margin-bottom: 4px;
  }
  .product-index {
    grid-row: 1 / 3;
    align-self: center;
  }
  .product-row-body {
    grid-column: 2;
    grid-row: 2;
  }
  .product-row.reverse { direction: ltr; }

  .hero-visual {
    max-width: 100%;
    justify-self: stretch;
    margin-top: 8px;
  }

  .bento-cell.span-4,
  .bento-cell.span-6,
  .bento-cell.span-8 { grid-column: span 12; }

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

  .news-list-grid,
  .news-grid { grid-template-columns: 1fr 1fr; }

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

  .cta-block,
  .cta-banner { grid-template-columns: 1fr; }

  .about-sidebar { position: static; }

  .product-block-img { position: static; }
  .product-block.reverse { direction: ltr; }
}

@media (max-width: 768px) {
  .header-bar,
  .header-inner { grid-template-columns: 1fr auto; }

  .main-nav {
    position: fixed;
    top: 76px;
    left: 0;
    right: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    padding: 16px var(--gutter);
    transform: translateY(-130%);
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s var(--ease);
  }

  .main-nav.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .main-nav ul { flex-direction: column; }
  .main-nav a { padding: 12px 0; }
  .main-nav a::after { left: 0; right: auto; width: 24px; }

  .nav-toggle { display: flex; }
  .header-actions { display: none; }
  .header-cta { display: none; }

  .section-head { grid-template-columns: 1fr; }
  .section-head-num { font-size: 3rem; }

  .market-list { columns: 1; }

  .news-list-grid,
  .news-grid { grid-template-columns: 1fr; }

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

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

  .about-highlights { grid-template-columns: 1fr; }

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

  .footer-bottom { flex-direction: column; text-align: center; }
}