/* ==========================================================================
   Jinglin Container (Suzhou) — container.95mw.cn
   Design system: ink + brass, editorial industrial
   ========================================================================== */

:root {
  --ink: #0c1a22;
  --ink-2: #152a35;
  --ink-3: #213b48;
  --paper: #f7f5f0;
  --paper-2: #efece4;
  --white: #ffffff;
  --muted: #5d6d76;
  --muted-2: #8b9aa2;
  --accent: #b07d3d;
  --accent-2: #d8bd8b;
  --line: rgba(12, 26, 34, 0.13);
  --line-soft: rgba(12, 26, 34, 0.07);
  --line-dark: rgba(247, 245, 240, 0.18);
  --shadow-sm: 0 10px 24px -18px rgba(12, 26, 34, 0.5);
  --shadow: 0 34px 70px -40px rgba(12, 26, 34, 0.55);
  --radius: 3px;
  --max: 1220px;
  --gutter: clamp(1.15rem, 4vw, 3rem);
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --header-h: 76px;
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Be Vietnam Pro", -apple-system, BlinkMacSystemFont, "Segoe UI",
    "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  font-size: 16.5px;
  line-height: 1.72;
  font-weight: 400;
  letter-spacing: 0.002em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; border: 0; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; }
ul, ol { margin: 0; padding: 0; list-style: none; }
svg { display: block; }

::selection { background: var(--ink); color: var(--paper); }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5 {
  margin: 0 0 0.5em;
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.022em;
  text-wrap: balance;
}

h1 { font-size: clamp(2.35rem, 5.6vw, 4.35rem); font-weight: 600; }
h2 { font-size: clamp(1.75rem, 3.5vw, 2.9rem); letter-spacing: -0.026em; }
h3 { font-size: clamp(1.18rem, 1.9vw, 1.5rem); letter-spacing: -0.018em; }
h4 { font-size: 1.055rem; letter-spacing: -0.01em; }

p { margin: 0 0 1.05em; }
p:last-child { margin-bottom: 0; }

strong { font-weight: 600; }

.lead {
  font-size: clamp(1.02rem, 1.35vw, 1.18rem);
  line-height: 1.78;
  color: var(--ink-3);
  max-width: 62ch;
}

.muted { color: var(--muted); }
.small { font-size: 0.875rem; line-height: 1.7; }

.eyebrow {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin: 0 0 1.15rem;
  font-size: 0.735rem;
  font-weight: 600;
  letter-spacing: 0.19em;
  text-transform: uppercase;
  color: var(--accent);
}
.eyebrow::before {
  content: "";
  width: 34px;
  height: 1px;
  background: currentColor;
  opacity: 0.7;
}
.eyebrow--center { justify-content: center; }

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.container--narrow { max-width: 900px; }

.section { padding-block: clamp(3.6rem, 7vw, 6.6rem); position: relative; }
.section--tight { padding-block: clamp(2.6rem, 4.4vw, 4rem); }
.section--white { background: var(--white); }
.section--paper2 { background: var(--paper-2); }
.section--dark { background: var(--ink); color: var(--paper); }
.section--dark .eyebrow { color: var(--accent-2); }
.section--dark .lead,
.section--dark .muted { color: rgba(247, 245, 240, 0.72); }

.section__head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
  gap: clamp(1.4rem, 4vw, 4rem);
  align-items: end;
  margin-bottom: clamp(2rem, 4vw, 3.4rem);
}
.section__head--center {
  grid-template-columns: 1fr;
  text-align: center;
  max-width: 780px;
  margin-inline: auto;
}
.section__head--center .lead { margin-inline: auto; }
.section__head h2 { margin-bottom: 0; }

.grid { display: grid; gap: clamp(1.1rem, 2.4vw, 1.9rem); }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.split {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
  gap: clamp(1.6rem, 5vw, 4.6rem);
  align-items: center;
}

/* ---------- Buttons ---------- */
.btn {
  --btn-bg: var(--ink);
  --btn-fg: var(--paper);
  --btn-bd: var(--ink);
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.95rem 1.7rem;
  background: var(--btn-bg);
  color: var(--btn-fg);
  border: 1px solid var(--btn-bd);
  border-radius: var(--radius);
  font-size: 0.845rem;
  font-weight: 600;
  letter-spacing: 0.075em;
  text-transform: uppercase;
  cursor: pointer;
  transition: transform 0.45s var(--ease), background 0.35s var(--ease),
    color 0.35s var(--ease), border-color 0.35s var(--ease), box-shadow 0.45s var(--ease);
  will-change: transform;
}
.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.btn svg { width: 15px; height: 15px; transition: transform 0.4s var(--ease); }
.btn:hover svg { transform: translateX(4px); }

.btn--accent { --btn-bg: var(--accent); --btn-bd: var(--accent); --btn-fg: #fff; }
.btn--accent:hover { --btn-bg: #9c6d33; --btn-bd: #9c6d33; }

.btn--ghost {
  --btn-bg: transparent;
  --btn-fg: var(--ink);
  --btn-bd: rgba(12, 26, 34, 0.28);
}
.btn--ghost:hover { --btn-bg: var(--ink); --btn-fg: var(--paper); --btn-bd: var(--ink); }

.btn--ghost-light {
  --btn-bg: transparent;
  --btn-fg: var(--paper);
  --btn-bd: rgba(247, 245, 240, 0.35);
}
.btn--ghost-light:hover { --btn-bg: var(--paper); --btn-fg: var(--ink); --btn-bd: var(--paper); }

.btn--sm { padding: 0.72rem 1.25rem; font-size: 0.78rem; }
.btn--block { width: 100%; }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--ink);
  border-bottom: 1px solid var(--line);
  padding-bottom: 0.3rem;
  transition: color 0.3s var(--ease), border-color 0.3s var(--ease);
}
.link-arrow svg { width: 14px; height: 14px; transition: transform 0.4s var(--ease); }
.link-arrow:hover { color: var(--accent); border-color: var(--accent); }
.link-arrow:hover svg { transform: translateX(4px); }

/* ---------- Media / image wrapper ---------- */
.media {
  position: relative;
  display: block;
  overflow: hidden;
  background: linear-gradient(135deg, #e4e0d6 0%, #efece4 55%, #ded9cd 100%);
  border-radius: var(--radius);
}
.media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.9s var(--ease);
}
.media::after {
  content: attr(data-label);
  position: absolute;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: rgba(12, 26, 34, 0.28);
  background-image: repeating-linear-gradient(
    135deg,
    rgba(12, 26, 34, 0.045) 0 1px,
    transparent 1px 11px
  );
}
.media--empty::after { display: flex; }
.media--empty img { opacity: 0; }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 90;
  background: rgba(247, 245, 240, 0.86);
  backdrop-filter: blur(14px) saturate(1.1);
  -webkit-backdrop-filter: blur(14px) saturate(1.1);
  border-bottom: 1px solid transparent;
  transition: background 0.4s var(--ease), border-color 0.4s var(--ease),
    box-shadow 0.4s var(--ease);
}
.site-header.is-scrolled {
  background: rgba(247, 245, 240, 0.97);
  border-bottom-color: var(--line);
  box-shadow: 0 12px 30px -26px rgba(12, 26, 34, 0.6);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.4rem;
  min-height: var(--header-h);
}

.brand { display: flex; align-items: center; gap: 0.75rem; flex: none; }
.brand__mark {
  position: relative;
  width: 46px;
  height: 46px;
  border-radius: 2px;
  overflow: hidden;
  background: var(--ink);
  display: grid;
  place-items: center;
  flex: none;
}
.brand__mark img {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #fff;
}
.brand__mark span {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--accent-2);
}
.brand__text { display: flex; flex-direction: column; line-height: 1.15; }
.brand__name {
  font-size: 0.98rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  white-space: nowrap;
}
.brand__sub {
  font-size: 0.615rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
}

.nav { display: flex; align-items: center; gap: clamp(0.4rem, 1.6vw, 1.5rem); }
.nav__link {
  position: relative;
  padding: 0.5rem 0.15rem;
  font-size: 0.845rem;
  font-weight: 500;
  color: var(--ink-3);
  transition: color 0.3s var(--ease);
}
.nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0.16rem;
  width: 100%;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.42s var(--ease);
}
.nav__link:hover { color: var(--ink); }
.nav__link:hover::after,
.nav__link[aria-current="page"]::after { transform: scaleX(1); }
.nav__link[aria-current="page"] { color: var(--ink); font-weight: 600; }

.header__cta { display: flex; align-items: center; gap: 0.7rem; }

.nav-toggle {
  display: none;
  width: 46px;
  height: 46px;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  cursor: pointer;
}
.nav-toggle span {
  position: relative;
  width: 18px;
  height: 1.5px;
  background: var(--ink);
  transition: background 0.3s var(--ease);
}
.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 1.5px;
  background: var(--ink);
  transition: transform 0.4s var(--ease), top 0.3s var(--ease);
}
.nav-toggle span::before { top: -6px; }
.nav-toggle span::after { top: 6px; }
.nav-toggle.is-open span { background: transparent; }
.nav-toggle.is-open span::before { top: 0; transform: rotate(45deg); }
.nav-toggle.is-open span::after { top: 0; transform: rotate(-45deg); }

.drawer {
  position: fixed;
  inset: var(--header-h) 0 auto;
  z-index: 89;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
  padding: 1.2rem var(--gutter) 1.9rem;
  display: grid;
  gap: 0.2rem;
  transform: translateY(-8px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s var(--ease), transform 0.35s var(--ease),
    visibility 0.35s var(--ease);
  max-height: calc(100vh - var(--header-h));
  overflow-y: auto;
}
.drawer.is-open { opacity: 1; transform: none; visibility: visible; }
.drawer a {
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: 1rem;
  font-weight: 500;
}
.drawer .btn { margin-top: 1.15rem; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding-top: calc(var(--header-h) + clamp(2.6rem, 6vw, 5.4rem));
  padding-bottom: clamp(1.4rem, 3vw, 2.2rem);
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  top: -18%;
  right: -12%;
  width: 62vw;
  height: 62vw;
  max-width: 780px;
  max-height: 780px;
  background: radial-gradient(circle, rgba(176, 125, 61, 0.13), transparent 62%);
  pointer-events: none;
}
.hero__inner { position: relative; display: grid; gap: clamp(1.6rem, 3vw, 2.4rem); }
.hero__title { margin-bottom: 1.1rem; }
.hero__title em {
  font-style: normal;
  color: var(--accent);
}
.hero__lead { max-width: 60ch; }
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.8rem 1.1rem;
  margin-top: 1.9rem;
}
.hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.6rem;
  margin-top: 2.2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  font-size: 0.8rem;
  letter-spacing: 0.055em;
  color: var(--muted);
  text-transform: uppercase;
}
.hero__meta li { display: flex; align-items: center; gap: 0.5rem; }
.hero__meta li::before {
  content: "";
  width: 5px;
  height: 5px;
  background: var(--accent);
  border-radius: 50%;
}

.banner-strip {
  position: relative;
  margin-top: clamp(1.6rem, 3.4vw, 2.8rem);
  display: grid;
  grid-template-columns: 1fr;
}
.banner-strip .media {
  aspect-ratio: 1181 / 381;
  width: 100%;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.banner-strip .media img { object-fit: cover; }
.banner-strip__caption {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.4rem 1.4rem;
  padding: 0.85rem 0.1rem 0;
  font-size: 0.735rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted-2);
}

/* ---------- Stat bar ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.stat {
  padding: clamp(1.3rem, 2.4vw, 2rem) clamp(0.6rem, 1.6vw, 1.6rem);
  border-right: 1px solid var(--line);
}
.stat:last-child { border-right: 0; }
.stat__num {
  display: block;
  font-size: clamp(1.6rem, 2.9vw, 2.35rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.05;
}
.stat__num sup {
  font-size: 0.5em;
  vertical-align: super;
  color: var(--accent);
  margin-left: 2px;
}
.stat__label {
  display: block;
  margin-top: 0.5rem;
  font-size: 0.78rem;
  line-height: 1.5;
  color: var(--muted);
}

/* ---------- Cards ---------- */
.card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--white);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.55s var(--ease), box-shadow 0.55s var(--ease),
    border-color 0.4s var(--ease);
}
.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: rgba(176, 125, 61, 0.35);
}
.card__media { position: relative; aspect-ratio: 4 / 3; }
.card__media .media { position: absolute; inset: 0; border-radius: 0; }
.card:hover .card__media img { transform: scale(1.05); }
.card__tag {
  position: absolute;
  top: 0.85rem;
  left: 0.85rem;
  z-index: 2;
  padding: 0.32rem 0.62rem;
  background: rgba(247, 245, 240, 0.94);
  border-radius: 2px;
  font-size: 0.655rem;
  font-weight: 600;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.card__body {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  padding: clamp(1.05rem, 2vw, 1.5rem);
  flex: 1;
}
.card__title { margin: 0; font-size: 1.055rem; letter-spacing: -0.012em; }
.card__title a::after { content: ""; position: absolute; inset: 0; z-index: 3; }
.card__desc { margin: 0; font-size: 0.885rem; line-height: 1.7; color: var(--muted); }
.card__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-top: auto;
  padding-top: 0.85rem;
}
.chip {
  display: inline-flex;
  align-items: center;
  padding: 0.24rem 0.58rem;
  background: var(--paper);
  border: 1px solid var(--line-soft);
  border-radius: 2px;
  font-size: 0.71rem;
  letter-spacing: 0.045em;
  color: var(--ink-3);
}
.card__more {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 0.9rem;
  font-size: 0.735rem;
  font-weight: 600;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--accent);
}
.card__more svg { width: 13px; height: 13px; transition: transform 0.4s var(--ease); }
.card:hover .card__more svg { transform: translateX(4px); }

/* filter bar */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: clamp(1.6rem, 3vw, 2.4rem);
}
.filter {
  padding: 0.52rem 1rem;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.79rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  color: var(--ink-3);
  cursor: pointer;
  transition: all 0.35s var(--ease);
}
.filter:hover { border-color: var(--ink); color: var(--ink); }
.filter.is-active {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}
.is-hidden { display: none !important; }

/* ---------- Framed image ---------- */
.frame { position: relative; }
.frame::before {
  content: "";
  position: absolute;
  inset: 18px -18px -18px 18px;
  border: 1px solid rgba(176, 125, 61, 0.45);
  border-radius: var(--radius);
  z-index: 0;
  pointer-events: none;
}
.frame .media {
  position: relative;
  z-index: 1;
  aspect-ratio: 689 / 360;
  box-shadow: var(--shadow);
}
.frame__badge {
  position: absolute;
  z-index: 2;
  right: -10px;
  bottom: -22px;
  padding: 0.95rem 1.15rem;
  background: var(--ink);
  color: var(--paper);
  border-radius: var(--radius);
  max-width: 210px;
}
.frame__badge b {
  display: block;
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--accent-2);
  line-height: 1.1;
}
.frame__badge span {
  display: block;
  margin-top: 0.25rem;
  font-size: 0.735rem;
  line-height: 1.5;
  color: rgba(247, 245, 240, 0.72);
}

/* ---------- Feature list ---------- */
.feature-list { display: grid; gap: 0; }
.feature {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 1rem;
  padding: 1.15rem 0;
  border-bottom: 1px solid var(--line-soft);
}
.feature:first-child { padding-top: 0; }
.feature:last-child { border-bottom: 0; padding-bottom: 0; }
.feature__num {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--accent);
  padding-top: 0.28rem;
}
.feature h4 { margin-bottom: 0.25rem; }
.feature p { font-size: 0.915rem; color: var(--muted); margin: 0; }

.section--dark .feature { border-bottom-color: var(--line-dark); }
.section--dark .feature p { color: rgba(247, 245, 240, 0.68); }

/* ---------- Mosaic (workshop) ---------- */
.mosaic {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  grid-template-rows: auto auto;
  gap: 0.9rem;
}
.mosaic .media { aspect-ratio: 1 / 1; }
.mosaic__tall { grid-row: span 2; }
.mosaic__tall .media { aspect-ratio: 1 / 2.09; height: 100%; }
.mosaic .media:hover img { transform: scale(1.04); }

/* ---------- Cert / badge grid ---------- */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line-dark);
  border: 1px solid var(--line-dark);
}
.cert {
  padding: clamp(1.15rem, 2.2vw, 1.7rem);
  background: var(--ink);
  display: grid;
  gap: 0.4rem;
  transition: background 0.4s var(--ease);
}
.cert:hover { background: var(--ink-2); }
.cert__ico {
  width: 30px;
  height: 30px;
  color: var(--accent-2);
  margin-bottom: 0.2rem;
}
.cert h4 { font-size: 0.96rem; margin: 0; color: var(--paper); }
.cert p { font-size: 0.8rem; line-height: 1.6; margin: 0; color: rgba(247, 245, 240, 0.6); }

/* ---------- Steps ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(0.9rem, 2vw, 1.7rem);
  counter-reset: step;
}
.step {
  position: relative;
  padding-top: 1.6rem;
  border-top: 1px solid var(--line);
  counter-increment: step;
}
.step::before {
  content: "0" counter(step);
  position: absolute;
  top: 1.05rem;
  right: 0;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--accent);
}
.step h4 { margin-bottom: 0.35rem; }
.step p { font-size: 0.885rem; color: var(--muted); margin: 0; }

/* ---------- Context cards (3-up value) ---------- */
.value {
  padding: clamp(1.3rem, 2.4vw, 2rem);
  background: var(--white);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  transition: transform 0.5s var(--ease), box-shadow 0.5s var(--ease);
}
.value:hover { transform: translateY(-4px); box-shadow: var(--shadow-sm); }
.value__ico {
  width: 34px;
  height: 34px;
  color: var(--accent);
  margin-bottom: 1rem;
}
.value h3 { font-size: 1.06rem; margin-bottom: 0.4rem; }
.value p { font-size: 0.9rem; color: var(--muted); margin: 0; }

/* ---------- FAQ / accordion ---------- */
.accordion { border-top: 1px solid var(--line); }
.acc {
  border-bottom: 1px solid var(--line);
}
.acc__btn {
  width: 100%;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.4rem;
  padding: 1.35rem 0;
  background: none;
  border: 0;
  text-align: left;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: -0.008em;
  line-height: 1.55;
  transition: color 0.3s var(--ease);
}
.acc__btn:hover { color: var(--accent); }
.acc__ico {
  position: relative;
  flex: none;
  width: 15px;
  height: 15px;
  margin-top: 0.35rem;
}
.acc__ico::before,
.acc__ico::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  width: 15px;
  height: 1.5px;
  background: currentColor;
  transition: transform 0.4s var(--ease);
}
.acc__ico::after { transform: rotate(90deg); }
.acc__btn[aria-expanded="true"] .acc__ico::after { transform: rotate(0deg); }
.acc__panel {
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.5s var(--ease);
}
.acc__panel-inner {
  padding: 0 3rem 1.55rem 0;
  color: var(--ink-3);
  font-size: 0.945rem;
}
.acc__panel-inner p:last-child { margin-bottom: 0; }
.acc__panel-inner ul { margin: 0.5rem 0 0; display: grid; gap: 0.4rem; }
.acc__panel-inner li {
  position: relative;
  padding-left: 1.15rem;
  font-size: 0.925rem;
}
.acc__panel-inner li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 5px;
  height: 5px;
  background: var(--accent);
  border-radius: 50%;
}

/* ---------- Bullet list ---------- */
.list { display: grid; gap: 0.62rem; }
.list li {
  position: relative;
  padding-left: 1.4rem;
  font-size: 0.945rem;
  line-height: 1.7;
  color: var(--ink-3);
}
.list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 6px;
  border: 1px solid var(--accent);
  transform: rotate(45deg);
}
.section--dark .list li { color: rgba(247, 245, 240, 0.75); }

/* ---------- CTA band ---------- */
.cta {
  position: relative;
  background: var(--ink);
  color: var(--paper);
  overflow: hidden;
  padding-block: clamp(3rem, 6vw, 5.4rem);
}
.cta::before {
  content: "";
  position: absolute;
  top: -40%;
  right: -10%;
  width: 46vw;
  height: 46vw;
  background: radial-gradient(circle, rgba(176, 125, 61, 0.28), transparent 62%);
  pointer-events: none;
}
.cta__inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.92fr);
  gap: clamp(1.8rem, 5vw, 4.4rem);
  align-items: start;
}
.cta h2 { color: var(--paper); }
.cta .lead { color: rgba(247, 245, 240, 0.75); }

/* ---------- Forms ---------- */
.form {
  display: grid;
  gap: 1rem;
  padding: clamp(1.4rem, 3vw, 2.2rem);
  background: var(--white);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.form--on-dark {
  background: rgba(247, 245, 240, 0.04);
  border-color: var(--line-dark);
  box-shadow: none;
}
.form__head { display: grid; gap: 0.28rem; margin-bottom: 0.3rem; }
.form__head h3 { margin: 0; font-size: 1.16rem; }
.form--on-dark .form__head h3 { color: var(--paper); }
.form__head p { font-size: 0.845rem; color: var(--muted); margin: 0; }
.form--on-dark .form__head p { color: rgba(247, 245, 240, 0.6); }

.form__row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.field { display: grid; gap: 0.35rem; }
.field > label {
  font-size: 0.735rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}
.form--on-dark .field > label { color: rgba(247, 245, 240, 0.62); }
.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 0.78rem 0.9rem;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 2px;
  font: inherit;
  font-size: 0.92rem;
  color: var(--ink);
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease),
    box-shadow 0.3s var(--ease);
  appearance: none;
}
.form--on-dark .field input,
.form--on-dark .field select,
.form--on-dark .field textarea {
  background: rgba(12, 26, 34, 0.35);
  border-color: rgba(247, 245, 240, 0.22);
  color: var(--paper);
}
.field select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%235d6d76' stroke-width='1.4'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.9rem center;
  background-size: 11px;
  padding-right: 2.2rem;
}
.field textarea { min-height: 118px; resize: vertical; }
.field input::placeholder,
.field textarea::placeholder { color: var(--muted-2); }
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(176, 125, 61, 0.12);
}
.form--on-dark .field input:focus,
.form--on-dark .field select:focus,
.form--on-dark .field textarea:focus {
  background: rgba(12, 26, 34, 0.55);
  border-color: var(--accent-2);
}

/* honeypot — off-screen, keeps screen-reader/bot visibility */
.hp-field {
  position: absolute !important;
  left: -9999px !important;
  top: auto !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
  opacity: 0 !important;
  pointer-events: none !important;
}

.form__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.8rem 1.2rem;
  margin-top: 0.2rem;
}
.form__note { font-size: 0.755rem; line-height: 1.6; color: var(--muted); max-width: 34ch; }
.form--on-dark .form__note { color: rgba(247, 245, 240, 0.55); }

.form__status {
  display: none;
  gap: 0.6rem;
  align-items: flex-start;
  padding: 0.9rem 1rem;
  border-radius: 2px;
  font-size: 0.885rem;
  line-height: 1.6;
}
.form__status.is-visible { display: flex; }
.form__status.is-success {
  background: rgba(34, 108, 73, 0.1);
  border: 1px solid rgba(34, 108, 73, 0.32);
  color: #1d6144;
}
.form__status.is-error {
  background: rgba(158, 58, 46, 0.09);
  border: 1px solid rgba(158, 58, 46, 0.3);
  color: #8f3427;
}
.form__status svg { width: 17px; height: 17px; flex: none; margin-top: 0.14rem; }
.btn.is-loading { opacity: 0.65; pointer-events: none; }

/* ---------- Contact layout ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: clamp(1.8rem, 4.5vw, 4rem);
  align-items: start;
}
.info-block { display: grid; gap: 1.4rem; }
.info-item {
  display: grid;
  gap: 0.28rem;
  padding-bottom: 1.3rem;
  border-bottom: 1px solid var(--line);
}
.info-item:last-child { border-bottom: 0; padding-bottom: 0; }
.info-item dt {
  font-size: 0.715rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}
.info-item dd { margin: 0; font-size: 0.97rem; line-height: 1.65; color: var(--ink-3); }

/* ---------- Breadcrumb ---------- */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.775rem;
  color: var(--muted);
  padding-top: calc(var(--header-h) + 1.5rem);
}
.breadcrumb a { transition: color 0.3s var(--ease); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb li { display: flex; align-items: center; gap: 0.45rem; }
.breadcrumb li + li::before { content: "/"; color: var(--muted-2); }

/* ---------- Product detail ---------- */
.pd-hero { padding-bottom: clamp(1.6rem, 3vw, 2.6rem); }
.pd-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.95fr);
  gap: clamp(1.8rem, 4.5vw, 4rem);
  align-items: start;
  margin-top: 1.6rem;
}
.pd-media .media { aspect-ratio: 1 / 1; box-shadow: var(--shadow); }
.pd-thumbs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.6rem;
  margin-top: 0.6rem;
}
.pd-thumbs .media { aspect-ratio: 4 / 3; cursor: pointer; opacity: 0.72; transition: opacity 0.3s var(--ease); }
.pd-thumbs .media:hover { opacity: 1; }
.pd-info h1 { font-size: clamp(1.9rem, 3.8vw, 3rem); margin-bottom: 0.7rem; }
.pd-badges { display: flex; flex-wrap: wrap; gap: 0.4rem; margin: 1.1rem 0 1.4rem; }
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.33rem 0.7rem;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 2px;
  font-size: 0.735rem;
  letter-spacing: 0.05em;
  color: var(--ink-3);
}
.badge::before {
  content: "";
  width: 5px;
  height: 5px;
  background: var(--accent);
  border-radius: 50%;
}
.pd-actions { display: flex; flex-wrap: wrap; gap: 0.7rem; margin-top: 1.6rem; }

.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.925rem;
  background: var(--white);
  border: 1px solid var(--line-soft);
}
.spec-table caption {
  caption-side: top;
  text-align: left;
  padding: 0 0 0.8rem;
  font-size: 0.735rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}
.spec-table th,
.spec-table td {
  padding: 0.82rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--line-soft);
  vertical-align: top;
}
.spec-table tr:last-child th,
.spec-table tr:last-child td { border-bottom: 0; }
.spec-table th {
  width: 44%;
  font-weight: 500;
  color: var(--muted);
  background: rgba(247, 245, 240, 0.6);
}
.spec-table td { font-weight: 600; color: var(--ink); }
.spec-note { margin-top: 0.7rem; font-size: 0.775rem; color: var(--muted-2); }

.prose { max-width: 72ch; }
.prose h2 { margin-top: 0; }
.prose h3 { margin-top: 2rem; margin-bottom: 0.6rem; }
.prose p { color: var(--ink-3); }
.prose strong { color: var(--ink); }

.callout {
  display: grid;
  gap: 0.5rem;
  padding: clamp(1.1rem, 2.4vw, 1.6rem);
  background: var(--white);
  border-left: 2px solid var(--accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 0.93rem;
  color: var(--ink-3);
}
.callout strong { color: var(--ink); }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--ink);
  color: rgba(247, 245, 240, 0.72);
  padding-block: clamp(2.8rem, 5vw, 4.4rem) 1.6rem;
  font-size: 0.9rem;
}
.footer__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) repeat(3, minmax(0, 1fr));
  gap: clamp(1.6rem, 3vw, 3rem);
  padding-bottom: 2.4rem;
  border-bottom: 1px solid var(--line-dark);
}
.footer__brand .brand { margin-bottom: 1.1rem; }
.footer__brand .brand__name { color: var(--paper); }
.footer__brand .brand__sub { color: rgba(247, 245, 240, 0.5); }
.footer__brand .brand__mark { background: rgba(247, 245, 240, 0.08); }
.footer__about { font-size: 0.86rem; line-height: 1.75; max-width: 34ch; margin: 0; }
.footer h5 {
  margin: 0 0 1rem;
  font-size: 0.715rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-2);
}
.footer__links { display: grid; gap: 0.62rem; }
.footer__links a { font-size: 0.885rem; transition: color 0.3s var(--ease), padding-left 0.3s var(--ease); }
.footer__links a:hover { color: var(--paper); padding-left: 4px; }
.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.6rem 1.4rem;
  padding-top: 1.5rem;
  font-size: 0.775rem;
  color: rgba(247, 245, 240, 0.45);
}

/* ---------- Reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.85s var(--ease), transform 0.85s var(--ease);
}
.reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

/* ---------- Page hero (inner pages) ---------- */
.page-hero {
  padding-bottom: clamp(2rem, 4vw, 3.2rem);
  border-bottom: 1px solid var(--line);
}
.page-hero h1 { max-width: 22ch; margin-bottom: 1rem; }
.page-hero .lead { max-width: 66ch; }

/* ---------- Jump nav (anchor pills) ---------- */
.jump {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.4rem;
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--line);
  margin-bottom: clamp(1.8rem, 3.4vw, 2.8rem);
}
.jump a {
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color 0.3s var(--ease);
}
.jump a:hover { color: var(--accent); }

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .nav { display: none; }
  .nav-toggle { display: inline-flex; }
  .header__cta .btn { display: none; }
}

@media (max-width: 900px) {
  .section__head,
  .split,
  .cta__inner,
  .contact-grid,
  .pd-hero__grid { grid-template-columns: 1fr; }
  .section__head { gap: 1.1rem; align-items: start; }
  .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stat:nth-child(2) { border-right: 0; }
  .stat:nth-child(1),
  .stat:nth-child(2) { border-bottom: 1px solid var(--line); }
  .footer__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .frame { margin-bottom: 1.6rem; }
  .frame::before { inset: 14px -14px -14px 14px; }
  .pd-media .media { aspect-ratio: 4 / 3; }
  .mosaic__tall .media { aspect-ratio: 1 / 1.6; }
}

@media (max-width: 640px) {
  body { font-size: 16px; }
  :root { --header-h: 66px; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .form__row { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; gap: 1.8rem; }
  .hero__actions .btn { width: 100%; }
  .banner-strip .media { aspect-ratio: 4 / 3; }
  .brand__sub { display: none; }
  .frame__badge { right: 0; bottom: -18px; padding: 0.75rem 0.9rem; }
  .cert-grid { grid-template-columns: 1fr; }
  .pd-thumbs { grid-template-columns: repeat(3, 1fr); }
  .spec-table th { width: 50%; }
}

/* ---------- Print ---------- */
@media print {
  .site-header, .drawer, .cta, .site-footer, .form { display: none; }
  body { background: #fff; }
}

/* ---------- Inline SVG icons ---------- */
.cert > svg:first-of-type {
  width: 30px;
  height: 30px;
  color: var(--accent-2);
  margin-bottom: 0.2rem;
}
.value > svg:first-of-type {
  width: 34px;
  height: 34px;
  color: var(--accent);
  margin-bottom: 1rem;
}
.spec-table tbody th { width: 38%; }
.spec-table td:last-child { min-width: 160px; }