@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@200;300;400;500;600;700&display=swap');

/* ============================================================
   SACO GROUP — style.css
   Reference: fashioncomfort.com visual language
   Font: Outfit 200-700 (single font family throughout)
   System: luxury minimalism, cream/dark-green palette
   ============================================================ */

/* ---- RESET ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  font-size: 18px;
  font-weight: 300;
  line-height: 1.7;
  color: var(--c-text);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background: var(--c-cream);
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
address { font-style: normal; }
sup { font-size: 0.6em; vertical-align: super; }

/* ---- TOKENS ---- */
:root {
  /* Core palette */
  --c-cream:    #F9F9F7;
  --c-stone:    #F5F5F1;
  --c-sand:     #E8DFD5;
  --c-dark:     #1D2B1F;
  --c-charcoal: #2C3E2F;
  --c-text:     #2A2A2A;
  --c-text-sec: #4A4A4A;
  --c-text-mut: #7A7A7A;
  --c-border:   #E8E5DF;
  --c-gold:     #C9A961;

  /* Accent — kept from original */
  --c-green:    #7EC8A0;
  --c-blue:     #87CEEB;

  /* Section backgrounds */
  --c-hero:     #1D2B1F;
  --c-about:    var(--c-cream);
  --c-saco:     var(--c-green);
  --c-lowpact:  var(--c-blue);
  --c-products: #ffffff;
  --c-sustain:  var(--c-cream);
  --c-factory:  var(--c-dark);
  --c-clients:  var(--c-stone);
  --c-contact:  var(--c-cream);

  /* Typography — Outfit only */
  --font-display: 'Outfit', sans-serif;
  --font-body:    'Outfit', sans-serif;
  --font-mono:    'Outfit', sans-serif;

  /* Layout */
  --nav-h:    60px;
  --gutter:   clamp(1.5rem, 4vw, 4rem);
  --max-w:    1380px;
  --sec-pad:  clamp(4rem, 9vw, 9rem);

  /* Type scale — fashioncomfort.com hierarchy */
  --t-num:    13px;
  --t-label:  13px;
  --t-sm:     14px;
  --t-base:   16px;
  --t-lg:     18px;
  --t-xl:     20px;
  --t-2xl:    24px;
  --t-hero:   clamp(32px, 4vw, 52px);
  --t-hero-tag: clamp(24px, 3.2vw, 38px);
  --t-title:  clamp(28px, 3vw, 42px);
  --t-h3:     20px;
  --t-mid:    28px;
  --t-card:   20px;

  /* Transitions */
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --fast: 150ms ease;
  --base: 300ms ease;
  --slow: 600ms var(--ease);
}

/* ---- LAYOUT UTIL ---- */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* ---- REVEAL ---- */
.reveal {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
}
.reveal--delay-1 { transition-delay: 0.10s; }
.reveal--delay-2 { transition-delay: 0.22s; }
.reveal--delay-3 { transition-delay: 0.34s; }
.reveal--delay-4 { transition-delay: 0.46s; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ============================================================
   SHARED SECTION HEADER — number + big ALL CAPS title
   ============================================================ */
.s-header {
  margin-bottom: clamp(3rem, 6vw, 6rem);
}
.s-subtitle {
  font-family: var(--font-body);
  font-size: var(--t-hero-tag);
  font-weight: 300;
  letter-spacing: 0.14em;
  line-height: 1.4;
  text-transform: uppercase;
  color: var(--c-text-mut);
  margin-top: 1.25rem;
  margin-bottom: 0;
}

.s-header--with-link {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
}

.s-header__left {
  display: flex;
  flex-direction: column;
}

.editorial-link {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
  white-space: nowrap;
  align-self: flex-end;
  margin-bottom: 0.2rem;
  transition: opacity 0.2s ease;
}
.editorial-link:hover { opacity: 0.6; }

.s-num {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.38;
  margin-bottom: 0.75rem;
  display: block;
}

.s-title {
  font-family: var(--font-display);
  font-size: var(--t-title);
  font-weight: 600;
  text-transform: none;
  letter-spacing: -0.01em;
  line-height: 1.2;
}

/* Light sections */
.s-light .s-num  { color: var(--c-text); }
.s-light .s-title { color: var(--c-text); }

/* Dark sections */
.s-dark .s-num  { color: #ffffff; }
.s-dark .s-title { color: #ffffff; }

/* Section base */
.section {
  padding-block: var(--sec-pad);
}

/* ============================================================
   NAVIGATION
   ============================================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  height: var(--nav-h);
  transition: background var(--base), transform 0.4s ease;
}
/* Unscrolled nav on hero: white text */
.nav:not(.nav--scrolled) .nav__logo { color: #ffffff; }
.nav:not(.nav--scrolled) .nav__link { color: rgba(255,255,255,0.85); }
.nav:not(.nav--scrolled) .nav__link:hover { color: #ffffff; opacity: 1; }
.nav:not(.nav--scrolled) .nav__link--cta { color: #ffffff; background: rgba(255,255,255,0.15); }
.nav:not(.nav--scrolled) .nav__link--cta:hover { background: rgba(255,255,255,0.25); }
.nav:not(.nav--scrolled) .nav__toggle span { background: #ffffff; }

/* Scrolled nav: dark grey background, dark text */
.nav.nav--scrolled { background: rgba(220,220,215,0.96); backdrop-filter: blur(10px); box-shadow: 0 1px 0 rgba(0,0,0,0.08); }
.nav.nav--always-dark { background: rgba(220,220,215,0.96); box-shadow: 0 1px 0 rgba(0,0,0,0.08); }
.nav.nav--always-dark .nav__logo { color: #ffffff; }
.nav.nav--always-dark .nav__link { color: #ffffff; }
.nav.nav--always-dark .nav__link:hover { color: #ffffff; opacity: 0.7; }
.nav.nav--always-dark .nav__toggle span { background: #ffffff; }

.nav__inner {
  height: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  font-family: var(--font-body);
  font-size: calc(var(--t-sm) * 2.2);
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--c-text) !important;
  display: flex;
  align-items: baseline;
  gap: 0.45rem;
  transition: opacity var(--fast);
}
.nav__logo:hover { opacity: 0.6; }
.nav__logo-sub {
  font-weight: 300;
  font-size: 13px;
  letter-spacing: 0.08em;
  opacity: 0.45;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2.5vw, 2.25rem);
}

.nav__link {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--c-text);
  transition: color var(--fast);
}
.nav__link:hover { color: var(--c-text); opacity: 0.7; }

.nav__link--cta {
  color: #ffffff;
  background: var(--c-text);
  padding: 0.5rem 1.4rem;
  border-radius: 4px;
  letter-spacing: 0.08em;
  font-weight: 500;
  transition: background var(--fast), color var(--fast);
}
.nav__link--cta:hover { background: var(--c-text-sec); opacity: 1; }

/* Mobile toggle */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 30px; height: 30px;
  background: none; border: none;
  cursor: pointer; padding: 4px;
}
.nav__toggle span {
  display: block; width: 22px; height: 1.5px;
  background: var(--c-text);
  transition: transform var(--base), opacity var(--base);
}
.nav__toggle.is-active span:first-child { transform: translateY(6.5px) rotate(45deg); }
.nav__toggle.is-active span:last-child  { transform: translateY(-6.5px) rotate(-45deg); }

/* ============================================================
   HERO — full-screen black, platform cards at bottom
   ============================================================ */
.hero {
  background: var(--c-hero);
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

/* Video background */
.hero__video-wrap {
  position: absolute; inset: 0; z-index: 0;
  overflow: hidden;
}
.hero__video-wrap::after {
  content: '';
  position: absolute; inset: 0;
  background: rgba(0,0,0,0.45);
  z-index: 1;
}
.hero__video {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero__inner {
  flex: 1;
  position: relative; z-index: 1;
  max-width: var(--max-w);
  width: 100%;
  margin-inline: auto;
  padding-inline: var(--gutter);
  padding-top: calc(var(--nav-h) + clamp(3rem, 7vw, 7rem));
  padding-bottom: clamp(2rem, 5vw, 4rem);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.hero__tag {
  font-family: var(--font-body);
  font-size: var(--t-hero-tag);
  font-weight: 300;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.3);
  margin-bottom: clamp(1.5rem, 3vw, 2.5rem);
}

.hero__headline {
  font-family: var(--font-display);
  font-size: var(--t-hero);
  font-weight: 600;
  text-transform: none;
  letter-spacing: -0.01em;
  line-height: 1.15;
  color: #ffffff;
  margin-bottom: clamp(1.5rem, 4vw, 3rem);
  max-width: 20ch;
}

.hero__sub {
  font-family: var(--font-body);
  font-size: 18px;
  font-weight: 300;
  color: rgba(255,255,255,0.75);
  max-width: 52ch;
  line-height: 1.7;
}

/* Trusted by strip */
.hero__clients {
  position: relative; z-index: 1;
  max-width: var(--max-w);
  width: 100%;
  margin-inline: auto;
  padding-inline: var(--gutter);
  padding-block: 1.25rem;
  border-top: 1px solid rgba(255,255,255,0.07);
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}
.hero__clients-label {
  font-family: var(--font-body);
  font-size: var(--t-num);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.22);
  white-space: nowrap;
}
.hero__clients-names {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}
.hero__clients-names span {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
}
.hero__clients-names span.sep { opacity: 0.15; }

/* Platform cards at bottom of hero */
.hero__cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  position: relative; z-index: 1;
}

.hero__card {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding-block: clamp(1.4rem, 2.5vw, 2rem);
  padding-inline: max(var(--gutter), calc((100vw - var(--max-w)) / 2 + var(--gutter)));
  text-decoration: none;
  transition: filter var(--base);
  position: relative;
  overflow: hidden;
}

.hc__text {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.hero__card::after {
  content: '';
  position: absolute; inset: 0;
  background: rgba(0,0,0,0);
  transition: background var(--base);
}
.hero__card:hover::after { background: rgba(0,0,0,0.12); }

.hero__card--saco    { background: var(--c-saco); }
.hero__card--lowpact { background: var(--c-lowpact); }

.hc__num {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.4);
}
.hc__name {
  font-family: var(--font-display);
  font-size: var(--t-card);
  font-weight: 600;
  text-transform: none;
  letter-spacing: -0.01em;
  line-height: 1.1;
  color: #ffffff;
}
.hc__desc {
  font-size: var(--t-sm);
  font-weight: 300;
  color: rgba(255,255,255,0.55);
  line-height: 1.7;
  margin-top: 0.25rem;
}
.hc__arrow {
  flex-shrink: 0;
  transition: transform var(--fast);
}
.hero__card:hover .hc__arrow { transform: translateX(6px); color: rgba(255,255,255,0.85); }

/* Scroll indicator */
.hero__scroll {
  position: absolute;
  bottom: clamp(7rem, 18vw, 14rem); /* above the cards */
  right: var(--gutter);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
}
.hero__scroll-line {
  width: 1px; height: 50px;
  background: linear-gradient(to bottom, transparent, rgba(255,255,255,0.2));
  animation: scrollPulse 2.5s ease-in-out infinite;
}
.hero__scroll-text {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.2);
  writing-mode: vertical-lr;
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0.2; }
  50%       { opacity: 0.7; }
}

/* ============================================================
   01 — WHO WE ARE (#ffffff)
   ============================================================ */
.s-about {
  background: var(--c-about);
}

/* About two-column layout */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(3rem, 7vw, 8rem);
  align-items: stretch;
}

.about-body {
  font-size: 18px;
  font-weight: 300;
  color: var(--c-text-sec);
  line-height: 1.7;
}

.about-diagram {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  margin-top: auto;
  padding-top: 35px;
  overflow: visible;
}

.group-svg {
  width: 100%;
  height: auto;
  display: block;
}

/* Diagram animation — all hidden by default */
.dia-el { opacity: 0; transition: opacity 0.5s ease; }
.dia-line.dia-vline { stroke-dasharray: 80; stroke-dashoffset: 80; transition: stroke-dashoffset 0.7s ease; }
.dia-line.dia-hline { stroke-dasharray: 250; stroke-dashoffset: 250; transition: stroke-dashoffset 0.7s ease; }

/* Steps triggered when .is-animating is added */
.is-animating .dia-step-1 { opacity: 1; transition-delay: 0s; }
.is-animating .dia-step-2.dia-vline { stroke-dashoffset: 0; transition-delay: 0.3s; }
.is-animating .dia-step-3 { opacity: 1; transition-delay: 0.8s; }
.is-animating .dia-step-3.dia-hline { stroke-dashoffset: 0; transition-delay: 0.8s; }
.is-animating .dia-step-4.dia-vline { stroke-dashoffset: 0; transition-delay: 1.2s; }
.is-animating .dia-step-5 { opacity: 1; transition-delay: 1.5s; }
.is-animating .dia-step-6 { opacity: 1; transition-delay: 2s; }

/* Pulse */
.dia-pulse {
  opacity: 0;
  animation: none;
}
.is-animating .dia-pulse {
  opacity: 1;
  animation: diaPulse 3s ease-in-out infinite 2.2s;
}
@keyframes diaPulse {
  0%, 100% { r: 3; stroke-opacity: 0.12; }
  50% { r: 8; stroke-opacity: 0; }
}

/* ============================================================
   02 — SHANGHAI SACO TEXTILE (#1a3a1a)
   ============================================================ */
.s-saco {
  background: #ffffff;
}

.platform-intro-grid {
  display: grid;
  grid-template-columns: 1fr 0.6fr;
  gap: clamp(2rem, 4vw, 3rem);
  align-items: start;
}
.platform-intro__img {
  border-radius: 10px;
  overflow: hidden;
}
.platform-intro__img img {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
}
.platform-intro {
  font-size: 18px;
  font-weight: 300;
  color: rgba(255,255,255,0.6);
  line-height: 1.7;
  max-width: 62ch;
  margin-bottom: clamp(3rem, 6vw, 5.5rem);
}

.saco-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(255,255,255,0.08);
  margin-bottom: 0;
}
.saco-stat {
  background: rgba(0,0,0,0.18);
  padding: clamp(1.5rem, 3vw, 2.5rem);
  display: flex; flex-direction: column; gap: 0.4rem;
  cursor: default;
}
.saco-stat .saco-stat__sub {
  transition: transform var(--base), font-size var(--base);
}
.saco-stat:hover .saco-stat__sub {
  transform: scale(1.15);
  transform-origin: left;
}
.saco-stat__n {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 5.25vw, 5.6rem);
  font-weight: 600;
  text-transform: none;
  letter-spacing: -0.02em;
  line-height: 0.9;
  color: #ffffff;
}
.saco-stat__label {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--c-text);
}
.saco-stat__sub {
  font-size: var(--t-sm);
  color: var(--c-gold);
  margin-top: 0.25rem;
}

/* ============================================================
   MANUFACTURING PAGE
   ============================================================ */

/* Hero */
.mfg-hero {
  position: relative;
  min-height: 70vh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}
.mfg-hero__img {
  position: absolute; inset: 0; z-index: 0;
}
.mfg-hero__img img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.mfg-hero__overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to bottom, rgba(0,0,0,0.55) 0%, rgba(0,0,0,0.85) 100%);
}
.mfg-hero__content {
  position: relative; z-index: 1;
  padding-bottom: clamp(3rem, 7vw, 6rem);
  padding-top: calc(var(--nav-h) + 4rem);
}
.mfg-hero__title {
  font-family: var(--font-display);
  font-size: var(--t-hero);
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 1.25rem;
}
.mfg-hero__sub {
  font-size: 18px;
  font-weight: 300;
  color: rgba(255,255,255,0.75);
  max-width: 56ch;
  line-height: 1.7;
}
.mfg-hero__badge {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-gold);
  margin-bottom: 0.5rem;
  display: block;
}
.mfg-hero__card {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  margin-top: 2rem;
  padding: 1rem 1.75rem;
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 10px;
  transition: background var(--base), border-color var(--base), transform var(--base);
  overflow: visible;
  white-space: nowrap;
}
.mfg-hero__card:hover {
  background: rgba(255,255,255,0.18);
  border-color: rgba(255,255,255,0.3);
  transform: translateY(-2px);
}
.mfg-hero__card-badge {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-gold);
  background: rgba(201,169,97,0.15);
  padding: 0.2rem 0.5rem;
  border-radius: 3px;
}
.mfg-hero__card-title {
  font-size: 16px;
  font-weight: 500;
  color: #ffffff;
}
.mfg-hero__card-arrow {
  font-size: 18px;
  color: rgba(255,255,255,0.5);
  transition: transform var(--fast), color var(--fast);
}
.mfg-hero__card:hover .mfg-hero__card-arrow {
  transform: translateX(4px);
  color: #ffffff;
}

/* Intro stats + text */
.mfg-intro {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}
.mfg-intro__stats {
  display: flex;
  gap: clamp(2rem, 4vw, 3rem);
}
.mfg-stat-big {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
}
.mfg-stat-big__n {
  font-family: var(--font-display);
  font-size: clamp(3rem, 5vw, 5rem);
  font-weight: 600;
  color: var(--c-text);
  line-height: 1;
}
.mfg-stat-big__label {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-text-mut);
}
.mfg-intro__text {
  font-size: 18px;
  font-weight: 300;
  color: var(--c-text-sec);
  line-height: 1.7;
}


/* Production blocks — alternating image + content */
.mfg-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2.5rem, 5vw, 5rem);
  align-items: center;
  padding-block: clamp(3rem, 6vw, 5rem);
  border-bottom: 1px solid var(--c-border);
}
.mfg-block:last-child { border-bottom: none; }
.mfg-block--reverse { direction: rtl; }
.mfg-block--reverse > * { direction: ltr; }

.mfg-block__visual {
  position: relative;
  border-radius: 10px;
  overflow: hidden;
}
.mfg-block__visual img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  transition: transform 0.9s ease;
}
.mfg-block__visual:hover img { transform: scale(1.04); }

.mfg-block__badge {
  position: absolute;
  bottom: 1rem; left: 1rem;
  background: rgba(0,0,0,0.75);
  backdrop-filter: blur(8px);
  color: #fff;
  padding: 0.75rem 1.25rem;
  border-radius: 8px;
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
}
.mfg-block__badge-n {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 600;
  line-height: 1;
}
.mfg-block__badge-label {
  font-size: 13px;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  opacity: 0.7;
}

.mfg-block__content {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.mfg-block__title {
  font-family: var(--font-display);
  font-size: var(--t-title);
  font-weight: 600;
  color: var(--c-text);
}
.mfg-block__inline-badge {
  display: inline-flex;
  align-items: baseline;
  gap: 0.5rem;
  font-size: 14px;
  font-weight: 300;
  color: var(--c-text-mut);
  background: var(--c-stone);
  padding: 0.6rem 1.25rem;
  border-radius: 10px;
  letter-spacing: 0.02em;
}
.mfg-block__badge-num {
  font-weight: 600;
  font-size: 18px;
  color: var(--c-text);
}
.mfg-block__badge-sep {
  color: var(--c-border);
}
.mfg-block__desc {
  font-size: 18px;
  font-weight: 300;
  color: var(--c-text-sec);
  line-height: 1.7;
}

/* ===== SILK TAB ===== */
.silk-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(0.75rem, 1.5vw, 1.25rem);
  margin-bottom: clamp(3rem, 6vw, 5rem);
}
.silk-stat {
  background: var(--c-stone);
  border-radius: 10px;
  padding: clamp(1.25rem, 2.5vw, 2rem);
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  transition: transform var(--base), box-shadow var(--base);
}
.silk-stat:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.08);
}
.silk-stat__n {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 600;
  color: var(--c-gold);
  line-height: 1;
}
.silk-stat__label {
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--c-text);
}
.silk-stat__sub {
  font-size: 14px;
  font-weight: 300;
  color: var(--c-text-mut);
}

.silk-about {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  margin-bottom: clamp(3rem, 6vw, 5rem);
}
.silk-about__heading {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  color: var(--c-text);
  margin-bottom: 1rem;
}
.silk-about__text {
  font-size: 18px;
  font-weight: 300;
  color: var(--c-text-sec);
  line-height: 1.7;
  margin-bottom: 0.75rem;
}

.silk-caps {
  margin-bottom: clamp(3rem, 6vw, 5rem);
}
.silk-caps__heading {
  font-family: var(--font-body);
  font-size: var(--t-hero-tag);
  font-weight: 300;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-text-mut);
  margin-bottom: 1.25rem;
}
.silk-caps__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(0.5rem, 1vw, 0.75rem);
}
.silk-cap {
  font-size: 16px;
  font-weight: 400;
  color: var(--c-text);
  background: var(--c-stone);
  padding: 1.25rem 1.5rem;
  border-radius: 8px;
  line-height: 1.5;
  transition: transform var(--base), box-shadow var(--base);
}
.silk-cap:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0,0,0,0.06);
}

.silk-position {
  padding: clamp(1.5rem, 3vw, 2.5rem);
  background: var(--c-stone);
  border-radius: 10px;
  border-left: 3px solid var(--c-gold);
}
.silk-position p {
  font-size: 18px;
  font-weight: 300;
  color: var(--c-text);
  line-height: 1.7;
  font-style: italic;
}

@media (max-width: 900px) {
  .mfg-intro { grid-template-columns: 1fr; }
  .mfg-block,
  .mfg-block--reverse { grid-template-columns: 1fr; direction: ltr; }
  .silk-stats { grid-template-columns: 1fr 1fr; }
  .silk-about { grid-template-columns: 1fr; }
  .silk-caps__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .mfg-hero { min-height: 50vh; }
  .mfg-intro__stats { justify-content: center; }
  .silk-stats { grid-template-columns: 1fr; }
  .silk-caps__grid { grid-template-columns: 1fr; }
  .mfg-tabs { overflow-x: auto; white-space: nowrap; }
}

/* Factory inline */
.factory-inline {
  margin-top: clamp(3rem, 6vw, 5rem);
}
.factory-inline__content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 4vw, 3rem);
  align-items: center;
  margin-top: 1.25rem;
}
.factory-inline__img {
  border-radius: 10px;
  overflow: hidden;
}
.factory-inline__img img {
  width: 100%; height: 100%;
  object-fit: cover;
  aspect-ratio: 16/10;
}
.factory-inline__text p {
  font-size: 18px;
  font-weight: 300;
  color: var(--c-text-sec);
  line-height: 1.7;
}
.factory-inline__text strong {
  font-weight: 600;
  color: var(--c-text);
}

/* Capabilities */
.capabilities {
  margin-top: clamp(1.5rem, 3vw, 2.5rem);
}
.capabilities__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  gap: 2rem;
}
.capabilities__heading {
  font-family: var(--font-body);
  font-size: var(--t-hero-tag);
  font-weight: 300;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-text-mut);
}
.capabilities__btn {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: #ffffff;
  background: var(--c-green);
  padding: 0.85rem 2rem;
  border-radius: 6px;
  white-space: nowrap;
  transition: background var(--fast);
}
.capabilities__btn:hover { background: #6bb88d; }
.capabilities__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--c-border);
  margin-bottom: 1.5rem;
}
.cap-card {
  background: var(--c-stone);
  padding: clamp(1.25rem, 2.5vw, 2rem);
  transition: background var(--base);
}
.cap-card:hover { background: var(--c-cream); }
.cap-card__icon {
  display: block;
  font-size: 1.5rem;
  color: var(--c-green);
  margin-bottom: 0.75rem;
  line-height: 1;
}
.cap-card__title {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  color: #1a1a1a;
  margin-bottom: 0.4rem;
}
.cap-card__desc {
  font-size: 14px;
  font-weight: 300;
  color: rgba(0,0,0,0.5);
  line-height: 1.5;
}
.capabilities__note {
  font-size: 16px;
  font-weight: 300;
  font-style: italic;
  color: rgba(0,0,0,0.45);
  line-height: 1.7;
}

/* Why Saco — 4 boxes */
.why-banner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(0.75rem, 1.5vw, 1.25rem);
  margin-bottom: clamp(3rem, 6vw, 5rem);
}
.why-banner__item {
  font-size: 18px;
  font-weight: 300;
  color: var(--c-text);
  line-height: 1.5;
  background: var(--c-stone);
  border-radius: 10px;
  padding: clamp(1.25rem, 2.5vw, 2rem);
  transition: transform var(--base), box-shadow var(--base);
}
.why-banner__item:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.08);
}

/* ============================================================
   03 — LOWPACT TEXTILE TECHNOLOGY (#2d5a2d)
   ============================================================ */
.s-lowpact {
  background: var(--c-lowpact);
}

.tech-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: rgba(255,255,255,0.08);
  margin-bottom: clamp(2.5rem, 5vw, 4.5rem);
}

.tech-card {
  background: rgba(0,0,0,0.15);
  padding: clamp(1.75rem, 3vw, 2.75rem);
  position: relative; overflow: hidden;
  transition: background var(--base);
}
.tech-card:hover { background: rgba(0,0,0,0.28); }
.tech-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: var(--c-gold);
  transform: scaleX(0); transform-origin: left;
  transition: transform var(--slow);
}
.tech-card:hover::before { transform: scaleX(1); }

.tech-card__mark {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-gold);
  margin-bottom: 1rem;
}
.tech-card__name {
  font-family: var(--font-display);
  font-size: clamp(1.375rem, 2.8vw, 2.625rem);
  font-weight: 600;
  text-transform: none;
  letter-spacing: -0.01em;
  line-height: 1.1;
  color: #fff;
  margin-bottom: 1rem;
}
.tech-card__desc {
  font-size: 18px;
  font-weight: 300;
  color: rgba(255,255,255,0.5);
  line-height: 1.7;
}

.lowpact-certs {
  margin-bottom: clamp(2rem, 4vw, 3.5rem);
}
.lowpact-certs__label {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.28);
  margin-bottom: 1rem;
}
.lowpact-certs__list {
  display: flex; flex-wrap: wrap; gap: 0.5rem;
}
.lowpact-certs__logos {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: clamp(1.5rem, 3vw, 2.5rem);
}
.lowpact-cert-logo {
  max-height: 90px;
  max-width: 250px;
  object-fit: contain;
  background: rgba(255,255,255,0.85);
  padding: 1rem 1.25rem;
  border-radius: 10px;
  transition: background var(--fast), transform var(--base);
}
.lowpact-cert-logo:hover { background: rgba(255,255,255,1); transform: translateY(-2px); }
.cert-badge {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.05em;
  padding: 0.4rem 0.9rem;
  border: 1px solid rgba(255,255,255,0.12);
  color: rgba(255,255,255,0.4);
  white-space: nowrap;
}

/* ============================================================
   LOWPACT DARK TEXT OVERRIDES (sky blue bg — #87CEEB is light)
   ============================================================ */
.s-lowpact .s-num   { color: #1a1a1a; opacity: 0.45; }
.s-lowpact .s-title { color: #1a1a1a; }

.s-lowpact .platform-intro { color: rgba(0,0,0,0.6); }

.s-lowpact .tech-cards { background: rgba(0,0,0,0.1); }
.s-lowpact .tech-card  { background: rgba(255,255,255,0.45); }
.s-lowpact .tech-card:hover { background: rgba(255,255,255,0.65); }
.s-lowpact .tech-card::before { background: var(--c-dark); }

.s-lowpact .tech-card__mark { color: var(--c-dark); }
.s-lowpact .tech-card__name { color: var(--c-text); }
.s-lowpact .tech-card__desc { color: rgba(0,0,0,0.58); }

.s-lowpact .lowpact-certs__label { color: rgba(0,0,0,0.38); }
.s-lowpact .cert-badge {
  border-color: rgba(0,0,0,0.15);
  color: rgba(0,0,0,0.5);
}

.s-lowpact .btn-line {
  color: rgba(0,0,0,0.65);
  border-color: rgba(0,0,0,0.25);
}
.s-lowpact .btn-line:hover { color: #1a1a1a; border-color: #1a1a1a; }

/* ============================================================
   SACO DARK TEXT OVERRIDES (mint green bg — #7EC8A0 is light)
   ============================================================ */
.s-saco .s-num   { color: #1a1a1a; opacity: 0.45; }
.s-saco .s-title { color: #1a1a1a; }

.s-saco .platform-intro { color: rgba(0,0,0,0.6); }

.s-saco .saco-stats { background: var(--c-border); }
.s-saco .saco-stat  { background: #ffffff; }

.s-saco .saco-stat__n     { color: var(--c-text); }
.s-saco .saco-stat__label { color: var(--c-text); }
.s-saco .saco-stat__sub   { color: var(--c-green); }

.s-saco .btn-line {
  color: rgba(0,0,0,0.65);
  border-color: rgba(0,0,0,0.25);
}
.s-saco .btn-line:hover { color: #1a1a1a; border-color: #1a1a1a; }
.s-saco .editorial-link { color: var(--c-green); }

.s-lowpact .editorial-link { color: #1a1a1a; }

/* Hero saco card — mint bg needs dark text */
.hero__card--saco .hc__num   { color: rgba(0,0,0,0.38); }
.hero__card--saco .hc__name  { color: #1a1a1a; }
.hero__card--saco .hc__desc  { color: #000000; }
.hero__card--saco .hc__arrow { color: rgba(0,0,0,0.32); }
.hero__card--saco:hover .hc__arrow { color: rgba(0,0,0,0.75); }
.hero__card--saco:hover::after { background: rgba(0,0,0,0.07); }

/* Hero lowpact card — sky blue bg needs dark text */
.hero__card--lowpact .hc__num   { color: rgba(0,0,0,0.38); }
.hero__card--lowpact .hc__name  { color: #1a1a1a; }
.hero__card--lowpact .hc__desc  { color: #000000; }
.hero__card--lowpact .hc__arrow { color: rgba(0,0,0,0.32); }
.hero__card--lowpact:hover .hc__arrow { color: rgba(0,0,0,0.75); }
.hero__card--lowpact:hover::after { background: rgba(0,0,0,0.07); }

/* ============================================================
   FULL-SCREEN MENU OVERLAY
   ============================================================ */
.menu-overlay {
  position: fixed;
  inset: 0;
  z-index: 300;
  background: var(--c-dark);
  display: flex;
  flex-direction: column;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.4s ease, visibility 0.4s ease;
  overflow-y: auto;
}
.menu-overlay.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: all;
}

.menu-overlay__close {
  position: absolute;
  top: clamp(1rem, 2vw, 1.75rem);
  right: var(--gutter);
  width: 48px; height: 48px;
  background: none; border: none;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  z-index: 10;
  padding: 0;
}
.menu-overlay__close span {
  position: absolute;
  width: 22px; height: 1.5px;
  background: rgba(255,255,255,0.75);
  transition: background var(--fast);
}
.menu-overlay__close span:first-child { transform: rotate(45deg); }
.menu-overlay__close span:last-child  { transform: rotate(-45deg); }
.menu-overlay__close:hover span { background: #fff; }

.menu-overlay__inner {
  flex: 1;
  max-width: var(--max-w);
  margin-inline: auto;
  width: 100%;
  padding-inline: var(--gutter);
  padding-top: clamp(4.5rem, 10vw, 8rem);
  padding-bottom: clamp(2.5rem, 5vw, 4rem);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 100vh;
}

/* Main numbered links */
.menu-overlay__nav {
  display: flex;
  flex-direction: column;
}

.menu-overlay__link {
  display: flex;
  align-items: baseline;
  gap: 1.5rem;
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6.5vw, 6.5rem);
  font-weight: 300;
  text-transform: none;
  letter-spacing: -0.01em;
  line-height: 1;
  color: rgba(255,255,255,0.88);
  padding: 0.55rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.07);
  /* stagger animation */
  opacity: 0;
  transform: translateY(18px);
  transition: color 0.2s ease,
              padding-left 0.3s var(--ease),
              opacity 0.5s var(--ease),
              transform 0.5s var(--ease);
}
.menu-overlay__link::before {
  content: attr(data-num);
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.3);
  font-weight: 400;
  flex-shrink: 0;
  align-self: center;
  padding-bottom: 3px;
}
.menu-overlay__link:hover {
  color: #fff;
  padding-left: 1rem;
}
.menu-overlay__link:last-child { border-bottom: none; }

/* Stagger-in when overlay opens */
.menu-overlay.is-open .menu-overlay__link { opacity: 1; transform: translateY(0); }
.menu-overlay.is-open .menu-overlay__link:nth-child(1) { transition-delay: 0.08s; }
.menu-overlay.is-open .menu-overlay__link:nth-child(2) { transition-delay: 0.13s; }
.menu-overlay.is-open .menu-overlay__link:nth-child(3) { transition-delay: 0.18s; }
.menu-overlay.is-open .menu-overlay__link:nth-child(4) { transition-delay: 0.23s; }
.menu-overlay.is-open .menu-overlay__link:nth-child(5) { transition-delay: 0.28s; }
.menu-overlay.is-open .menu-overlay__link:nth-child(6) { transition-delay: 0.33s; }
.menu-overlay.is-open .menu-overlay__link:nth-child(7) { transition-delay: 0.38s; }
.menu-overlay.is-open .menu-overlay__link:nth-child(8) { transition-delay: 0.43s; }

/* Bottom footer row */
.menu-overlay__footer {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 1.5rem;
  padding-top: clamp(2rem, 4vw, 3.5rem);
  border-top: 1px solid rgba(255,255,255,0.08);
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.5s ease 0.45s, transform 0.5s var(--ease) 0.45s;
}
.menu-overlay.is-open .menu-overlay__footer {
  opacity: 1;
  transform: translateY(0);
}

.menu-overlay__cta {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.5vw, 3rem);
  font-weight: 600;
  text-transform: none;
  letter-spacing: -0.01em;
  color: var(--c-gold);
  transition: opacity 0.2s;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.menu-overlay__cta:hover { opacity: 0.75; }

.menu-overlay__secondary {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  align-items: flex-end;
  text-align: right;
}
.menu-overlay__secondary a {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.3);
  transition: color 0.2s;
}
.menu-overlay__secondary a:hover { color: rgba(255,255,255,0.7); }

/* Nav toggle — always visible (opens overlay on all screens) */
.nav__toggle { display: flex !important; }

/* Hide inline links on mobile (overlay handles it) */
@media (max-width: 768px) {
  .nav__links { display: none !important; }
}

/* Shared line button */
.btn-line {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.75);
  border-bottom: 1px solid rgba(255,255,255,0.25);
  padding-bottom: 0.3rem;
  transition: color var(--fast), border-color var(--fast);
}
.btn-line:hover { color: #fff; border-color: #fff; }
.btn-line svg { transition: transform var(--fast); }
.btn-line:hover svg { transform: translateX(4px); }

.btn-line--dark {
  color: rgba(0,0,0,0.65);
  border-color: rgba(0,0,0,0.25);
}
.btn-line--dark:hover { color: #000; border-color: #000; }

/* ============================================================
   04 — PRODUCTS (#0a0a0a)
   ============================================================ */
.s-products {
  background: var(--c-products);
}

/* Tabs */
.product-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  margin-bottom: 0.5rem;
  border-bottom: 1px solid var(--c-border);
}
.product-tab {
  font-family: var(--font-body);
  font-size: 18px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-text-mut);
  background: none; border: none;
  border-bottom: 2px solid transparent;
  padding: 1rem 1.5rem;
  cursor: pointer;
  transition: color var(--fast), border-color var(--fast);
  margin-bottom: -1px;
  white-space: nowrap;
}
.product-tab:hover { color: var(--c-text-sec); }
.product-tab--active {
  color: var(--c-text);
  font-weight: 600;
  border-bottom-color: var(--c-text);
}

/* Product panels */
.product-panel { display: none; animation: fadeIn 0.4s ease forwards; }
.product-panel--active { display: block; }
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

.product-layout {
  display: grid;
  grid-template-columns: 0.75fr 1fr;
  gap: 1.5rem;
  align-items: stretch;
}
.product-info {
  display: flex;
  flex-direction: column;
}
.product-capacity {
  margin-top: auto;
}

/* Carousel */
.carousel { position: relative; overflow: hidden; background: var(--c-stone); border-radius: 10px; }
.carousel__track {
  display: flex;
  transition: transform 0.65s var(--ease);
  will-change: transform;
}
.carousel__slide {
  min-width: 100%;
  overflow: hidden;
  background: #ffffff;
}
.carousel__slide img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.9s ease;
}
.carousel:hover .carousel__slide img { transform: scale(1.03); }

.carousel__controls {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.75rem 1.25rem;
  background: var(--c-stone);
  border-top: 1px solid var(--c-border);
}
.carousel__btn {
  display: flex; align-items: center; justify-content: center;
  width: 36px; height: 36px;
  background: none;
  border: 1px solid rgba(0,0,0,0.15);
  border-radius: 6px;
  cursor: pointer;
  color: var(--c-text-sec);
  transition: background var(--fast), color var(--fast), border-color var(--fast);
}
.carousel__btn:hover { background: var(--c-text); border-color: var(--c-text); color: #fff; }

.carousel__dots { display: flex; gap: 0.4rem; }
.carousel__dot {
  width: 5px; height: 5px; border-radius: 50%;
  background: rgba(0,0,0,0.18);
  cursor: pointer; border: none;
  transition: background var(--fast), transform var(--fast);
}
.carousel__dot--active { background: var(--c-text); transform: scale(1.5); }

/* Product info */
.product-info { padding-top: 0.25rem; }

.product-category-title {
  font-family: var(--font-display);
  font-size: var(--t-title);
  font-weight: 600;
  text-transform: none;
  letter-spacing: -0.01em;
  line-height: 1.2;
  color: var(--c-text);
  margin-bottom: 0.5rem;
}

.product-category-desc {
  font-size: 18px;
  font-weight: 300;
  color: var(--c-text-sec);
  line-height: 1.6;
  margin-bottom: 0.5rem;
}

.product-materials__title {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-text-mut);
  margin-bottom: 0.5rem;
}

.materials-list { display: flex; flex-direction: column; margin-bottom: 0.5rem; }
.materials-list li {
  font-size: 13px;
  font-weight: 300;
  color: var(--c-text-sec);
  padding: 0.35rem 0;
  border-bottom: 1px solid var(--c-border);
  display: flex; align-items: center; gap: 0.5rem;
}
.materials-list li::before {
  content: '';
  display: block; width: 3px; height: 3px;
  background: var(--c-gold); border-radius: 50%; flex-shrink: 0;
}

.product-capacity {
  display: flex; align-items: baseline; gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  background: var(--c-stone);
  border: 1px solid var(--c-border);
  border-radius: 10px;
}
.capacity-figure {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  font-weight: 600;
  text-transform: none;
  letter-spacing: -0.01em;
  line-height: 1;
  color: var(--c-text);
}
.capacity-unit {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-text-mut);
}

/* ============================================================
   SACO DESIGN STUDIO (#C4785A)
   ============================================================ */
.s-studio {
  background: #ffffff;
  color: var(--c-text);
}
.s-studio .s-title { color: var(--c-text); }

.studio-intro {
  max-width: 680px;
  margin-bottom: clamp(3rem, 6vw, 5.5rem);
}
/* Studio hero grid */
.studio-hero-grid {
  display: grid;
  grid-template-columns: 1fr 0.6fr;
  gap: clamp(2rem, 4vw, 3rem);
  align-items: stretch;
  margin-bottom: clamp(3rem, 6vw, 6rem);
}
.studio-hero-img {
  border-radius: 10px;
  overflow: hidden;
}
.studio-hero-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
@media (max-width: 900px) {
  .studio-hero-grid { grid-template-columns: 1fr; }
}

.studio-cards-inline {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 1.5rem;
}
.studio-card-sm {
  padding: 1rem 1.25rem;
  border: 1px solid var(--c-border);
  border-radius: 10px;
  position: relative;
  overflow: hidden;
  transition: border-color var(--base), box-shadow var(--base);
}
.studio-card-sm:hover {
  border-color: var(--c-text-mut);
  box-shadow: 0 6px 20px rgba(0,0,0,0.06);
}
.studio-card-sm::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 4px; height: 100%;
  background: var(--c-gold);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.4s var(--ease);
}
.studio-card-sm:hover::before {
  transform: scaleY(1);
}

.studio-sub {
  font-family: var(--font-body);
  font-size: var(--t-hero-tag);
  font-weight: 300;
  letter-spacing: 0.14em;
  line-height: 1.4;
  text-transform: uppercase;
  color: var(--c-text-mut);
  margin-bottom: 1.25rem;
}
.studio-body {
  font-size: 18px;
  font-weight: 300;
  color: var(--c-text-sec);
  line-height: 1.7;
}

/* Service cards */
.studio-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--c-border);
  margin-bottom: clamp(3rem, 6vw, 5.5rem);
}
.studio-card {
  background: var(--c-stone);
  padding: clamp(1.75rem, 3vw, 2.75rem);
  position: relative;
  overflow: hidden;
  transition: background var(--base);
}
.studio-card:hover { background: var(--c-cream); }
.studio-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: var(--c-text);
  transform: scaleX(0); transform-origin: left;
  transition: transform var(--slow);
}
.studio-card:hover::before { transform: scaleX(1); }
.studio-card__name {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  text-transform: none;
  letter-spacing: -0.01em;
  line-height: 1.1;
  color: var(--c-text);
  margin-bottom: 1rem;
}
.studio-card__desc {
  font-size: 16px;
  font-weight: 300;
  color: var(--c-text-sec);
  line-height: 1.7;
}

/* Work model columns */
.studio-models {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1rem, 2vw, 1.5rem);
  margin-bottom: clamp(3rem, 6vw, 5.5rem);
}
.studio-model {
  padding: clamp(2rem, 3.5vw, 3rem);
  background: var(--c-stone);
  border-radius: 10px;
  transition: transform var(--base), box-shadow var(--base);
}
.studio-model:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.08);
}
.studio-model__title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.2;
  color: var(--c-text);
  margin-bottom: 1rem;
}
.studio-model__desc {
  font-size: 18px;
  font-weight: 300;
  color: var(--c-text-sec);
  line-height: 1.7;
}

/* Portfolio grid */
.studio-portfolio {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-auto-rows: 1fr;
  gap: clamp(1rem, 2vw, 1.5rem);
}
.studio-project {
  background: var(--c-stone);
  border-radius: 10px;
  overflow: hidden;
  transition: transform var(--base), box-shadow var(--base);
  display: flex;
  flex-direction: column;
}
.studio-project:hover { transform: translateY(-4px); box-shadow: 0 12px 32px rgba(0,0,0,0.15); }
.studio-project__img {
  aspect-ratio: 16/10;
  overflow: hidden;
  flex: 1;
}
.studio-project__img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.9s ease;
}
.studio-project:hover .studio-project__img img { transform: scale(1.04); }
.studio-project__info {
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  min-height: 70px;
  flex-shrink: 0;
}
.studio-project__tag {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #C4785A;
  background: rgba(255,255,255,0.9);
  padding: 0.3rem 0.7rem;
  border-radius: 4px;
  flex-shrink: 0;
}
.studio-project__title {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 400;
  color: var(--c-text);
  line-height: 1.3;
}

/* Book viewer (inline PDF page flipper) */
.book-viewer {
  position: relative;
  overflow: hidden;
  border-radius: 10px;
  background: #f0ece6;
  display: flex;
  align-items: center;
}
.book-viewer__track {
  display: flex;
  transition: transform 0.5s var(--ease);
  will-change: transform;
}
.book-viewer__page {
  min-width: 100%;
  width: 100%;
  display: block;
  object-fit: contain;
}
.book-viewer__btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px; height: 44px;
  background: rgba(255,255,255,0.85);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  color: var(--c-text);
  display: flex; align-items: center; justify-content: center;
  transition: background var(--fast), opacity var(--fast);
  box-shadow: 0 2px 8px rgba(0,0,0,0.12);
  z-index: 2;
}
.book-viewer__btn:hover { background: #ffffff; }
.book-viewer__btn--prev { left: 0.75rem; }
.book-viewer__btn--next { right: 0.75rem; }
.book-viewer__btn[disabled] { opacity: 0.3; cursor: default; }
.book-viewer__counter {
  position: absolute;
  bottom: 0.75rem;
  right: 0.75rem;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  color: var(--c-text-sec);
  background: rgba(255,255,255,0.8);
  padding: 0.3rem 0.7rem;
  border-radius: 4px;
  z-index: 2;
}

.studio-project--book {
  background: var(--c-stone);
}
.studio-project--book .book-viewer {
  flex: 1;
}
.studio-project--book .book-viewer__page {
  object-fit: contain;
}

.book-viewer--white {
  background: #ffffff;
}

/* ============================================================
   05 — SUSTAINABILITY (#3d6b3d)
   ============================================================ */
.s-sustain {
  background: var(--c-cream);
}

.sustain-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(3rem, 7vw, 7rem);
  align-items: start;
  margin-bottom: clamp(3rem, 6vw, 5rem);
}

.sustain-lead {
  font-family: var(--font-body);
  font-size: var(--t-hero-tag);
  font-weight: 300;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  line-height: 1.4;
  color: var(--c-text-mut);
  margin-bottom: 1.25rem;
}
.sustain-body {
  font-size: 18px;
  font-weight: 300;
  color: var(--c-text-sec);
  line-height: 1.7;
}

.sustain-materials__title {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(0,0,0,0.38);
  margin-bottom: 1.25rem;
}
.materials-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; }

/* Material cards grid with staggered animation */
.mat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
}
.mat-card {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  background: var(--c-stone);
  border-radius: 10px;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease, background var(--fast), box-shadow var(--fast);
}
.mat-card.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.mat-card:hover {
  background: var(--c-cream);
  box-shadow: 0 4px 16px rgba(0,0,0,0.06);
}
.mat-card__icon {
  font-size: 8px;
  color: var(--c-text-mut);
  flex-shrink: 0;
}
.mat-card__name {
  font-size: 15px;
  font-weight: 400;
  color: var(--c-text);
}
.mat-card--highlight,
.mat-card--dark {
  background: #a0a0a0;
}
.mat-card--highlight .mat-card__icon,
.mat-card--dark .mat-card__icon { color: #ffffff; }
.mat-card--highlight .mat-card__name,
.mat-card--dark .mat-card__name { color: #ffffff; }
.mat-card--highlight:hover,
.mat-card--dark:hover { background: #8a8a8a; }

@media (max-width: 900px) {
  .mat-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 600px) {
  .mat-grid { grid-template-columns: repeat(2, 1fr); }
}
.material-tag {
  font-size: 13px;
  font-weight: 400;
  padding: 0.35rem 0.85rem;
  border: 1px solid rgba(0,0,0,0.15);
  color: rgba(0,0,0,0.5);
}
.material-tag--highlight {
  border-color: var(--c-dark);
  color: var(--c-dark);
}

/* Factory: standalone s-num / s-title overrides */
.s-num--light  { color: #ffffff; opacity: 0.38; }
.s-title--light { color: #ffffff; }

.certs-block {
  border-top: 1px solid rgba(0,0,0,0.08);
  padding-top: clamp(2rem, 4vw, 3.5rem);
}
.certs-block__label {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(0,0,0,0.38);
  margin-bottom: 1.5rem;
}
.certs-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1px;
  background: rgba(0,0,0,0.07);
}
.cert-item {
  display: grid;
  grid-template-rows: 60px auto;
  align-items: center;
  justify-items: center;
  text-align: center;
  padding: 1.5rem 1rem;
  background: var(--c-cream);
  gap: 0.4rem;
  transition: background var(--fast);
}
.cert-item:hover { background: var(--c-stone); }
.cert-item__logo {
  max-height: 50px;
  max-width: 100px;
  object-fit: contain;
  align-self: center;
}
.cert-item__abbr {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.5vw, 2.25rem);
  font-weight: 600;
  text-transform: uppercase;
  color: var(--c-text);
  letter-spacing: -0.01em;
}
.cert-item__name {
  font-size: 12px;
  font-weight: 300;
  color: rgba(0,0,0,0.4);
  line-height: 1.4;
  margin-top: auto;
  padding-top: 0.5rem;
  white-space: nowrap;
}

/* ============================================================
   06 — ANHUI FACTORY (#1a1a1a + photo)
   ============================================================ */
.s-factory {
  background: var(--c-factory);
  position: relative;
  padding: 0;
  min-height: 90vh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  overflow: hidden;
}

.factory-image-wrap { position: absolute; inset: 0; z-index: 0; }
.factory-image { width: 100%; height: 100%; object-fit: cover; }
.factory-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(29,43,31,0.4) 0%,
    rgba(29,43,31,0.75) 50%,
    rgba(29,43,31,0.97) 100%
  );
}

.factory-content {
  position: relative; z-index: 1;
  padding-bottom: var(--sec-pad);
  padding-top: clamp(4rem, 12vw, 12rem);
}

.factory-header { margin-bottom: clamp(2.5rem, 5vw, 4.5rem); }

.factory-desc {
  font-size: 18px;
  font-weight: 300;
  color: rgba(255,255,255,0.5);
  line-height: 1.7;
  max-width: 52ch;
  margin-top: 1.5rem;
}
.factory-desc strong { color: #fff; font-weight: 600; }

.factory-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: rgba(255,255,255,0.07);
}
.factory-stat {
  background: rgba(10,10,10,0.6);
  backdrop-filter: blur(12px);
  padding: clamp(1.75rem, 3vw, 2.75rem);
  display: flex; flex-direction: column; gap: 0.4rem;
}
.factory-stat__number {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 6vw, 7rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 0.9;
  color: #fff;
}
.factory-stat__unit {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.32);
}
.factory-stat__output {
  font-size: 14px;
  font-weight: 300;
  color: var(--c-gold);
}

/* ============================================================
   07 — CLIENTS & MARKETS (#ffffff)
   ============================================================ */
.s-clients {
  background: var(--c-clients);
}

.clients-intro {
  font-size: 18px;
  font-weight: 300;
  color: var(--c-text-sec);
  line-height: 1.7;
  max-width: 58ch;
  margin-bottom: clamp(3rem, 6vw, 5.5rem);
}

.clients-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  background: var(--c-border);
  border: 1px solid var(--c-border);
}
.client-logo-item {
  display: grid;
  grid-template-rows: 80px auto;
  align-items: center;
  justify-items: center;
  text-align: center;
  padding: clamp(2rem, 4vw, 3.5rem) 1.5rem;
  background: var(--c-stone);
  transition: background var(--fast);
}
.client-logo-img {
  align-self: center;
  object-fit: contain;
  object-position: center;
}
.client-logo-item:hover { background: var(--c-cream); }

.client-logo-img {
  max-height: 40px;
  max-width: 140px;
  object-fit: contain;
}
.client-logo-name {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 3rem);
  font-weight: 600;
  text-transform: none;
  letter-spacing: -0.01em;
  color: var(--c-text);
}
.client-logo-group {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-text-mut);
  margin-top: auto;
  padding-top: 0.75rem;
}

/* ============================================================
   08 — CONTACT (#0a0a0a)
   ============================================================ */
.s-contact {
  background: var(--c-cream);
}

/* Contact two-column layout */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(3rem, 7vw, 8rem);
  align-items: start;
}

.contact-intro {
  font-size: 18px;
  font-weight: 300;
  color: rgba(0,0,0,0.5);
  line-height: 1.7;
  max-width: 48ch;
  margin-bottom: clamp(2rem, 4vw, 3rem);
}

.contact-cards-stack {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: rgba(0,0,0,0.07);
}

.contact-card {
  background: var(--c-cream);
  padding: clamp(1.5rem, 3vw, 2.5rem);
  display: flex; flex-direction: column; gap: 1rem;
}

.contact-card__platform {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(0,0,0,0.35);
}
.contact-card__name {
  font-family: var(--font-display);
  font-size: clamp(1rem, 1.5vw, 1.25rem);
  font-weight: 600;
  text-transform: none;
  letter-spacing: 0;
  line-height: 1.2;
  color: var(--c-text);
}
.contact-card__address {
  font-size: 14px;
  font-weight: 300;
  color: rgba(0,0,0,0.45);
  line-height: 1.7;
}
.contact-card__details {
  display: flex; flex-direction: column; gap: 0.6rem;
  border-top: 1px solid rgba(0,0,0,0.07);
  padding-top: 1rem;
}
.contact-link {
  display: flex; gap: 1rem; align-items: baseline;
  transition: opacity var(--fast);
}
.contact-link:hover { opacity: 0.6; }
.contact-link__label {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(0,0,0,0.3);
  min-width: 3rem; flex-shrink: 0;
}
.contact-link__value {
  font-size: 14px;
  font-weight: 300;
  color: rgba(0,0,0,0.65);
}

/* Contact form */
.contact-form-wrap {
  padding-top: clamp(0rem, 1vw, 1rem);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.cf-row {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.cf-label {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(0,0,0,0.4);
}

.cf-input {
  font-family: var(--font-body);
  font-size: var(--t-base);
  font-weight: 400;
  color: #1a1a1a;
  background: transparent;
  border: none;
  border-bottom: 1px solid rgba(0,0,0,0.18);
  padding: 0.6rem 0;
  outline: none;
  width: 100%;
  transition: border-color 0.2s ease;
}
.cf-input::placeholder { color: rgba(0,0,0,0.25); }
.cf-input:focus { border-bottom-color: #1a1a1a; }

.cf-textarea {
  resize: none;
  min-height: 120px;
  line-height: 1.7;
}

.cf-submit {
  align-self: flex-start;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-dark);
  background: var(--c-gold);
  border: none;
  border-radius: 4px;
  padding: 0.9rem 2rem;
  cursor: pointer;
  transition: background 0.2s ease;
  margin-top: 0.5rem;
}
.cf-submit:hover { background: #d4b76e; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--c-blue);
  padding-block: 2rem;
  border-top: 1px solid rgba(0,0,0,0.05);
}
.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer__logo {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--c-text);
}
.footer__nav {
  display: flex; flex-wrap: wrap; gap: 0.75rem 1.5rem;
}
.footer__nav a {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.05em;
  color: rgba(0,0,0,0.4);
  transition: color var(--fast);
}
.footer__nav a:hover { color: var(--c-text); }
.footer__copy {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 300;
  color: rgba(0,0,0,0.25);
  letter-spacing: 0.02em;
  width: 100%;
  text-align: right;
  border-top: 1px solid rgba(0,0,0,0.08);
  padding-top: 1rem;
  margin-top: 0.5rem;
}

/* ============================================================
   RESPONSIVE — TABLET 1024px
   ============================================================ */
@media (max-width: 1024px) {
  .tech-cards         { grid-template-columns: 1fr 1fr; }
  .certs-grid         { grid-template-columns: repeat(3, 1fr); }
  .clients-grid       { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 860px) {
  .saco-stats         { grid-template-columns: 1fr 1fr; gap: 1px; }
}

/* ============================================================
   RESPONSIVE — 900px
   ============================================================ */
@media (max-width: 900px) {
  .sustain-grid       { grid-template-columns: 1fr; gap: 3rem; }
  .product-layout     { grid-template-columns: 1fr; }
  .factory-stats      { grid-template-columns: 1fr; gap: 0; }
  .contact-layout     { grid-template-columns: 1fr; }
  .hero__cards        { grid-template-columns: 1fr; }
  .platform-intro-grid    { grid-template-columns: 1fr; }
  .factory-inline__content { grid-template-columns: 1fr; }
  .capabilities__grid { grid-template-columns: 1fr 1fr; }
  .why-banner { grid-template-columns: 1fr 1fr; }
  .studio-cards       { grid-template-columns: 1fr; }
  .studio-models      { grid-template-columns: 1fr; gap: 0; }
  .studio-portfolio   { grid-template-columns: 1fr; }
}

/* ============================================================
   RESPONSIVE — MOBILE 768px
   ============================================================ */
@media (max-width: 768px) {
  :root { --nav-h: 54px; }

.nav__toggle { display: flex; }
  .nav__links {
    display: none;
    position: fixed;
    top: var(--nav-h); left: 0; right: 0; bottom: 0;
    background: var(--c-dark);
    flex-direction: column; align-items: flex-start;
    padding: 2rem var(--gutter);
    gap: 0;
    overflow-y: auto; z-index: 99;
  }
  .nav__links.is-open { display: flex; animation: mobileIn 0.3s ease; }
  @keyframes mobileIn {
    from { opacity: 0; transform: translateY(-8px); }
    to   { opacity: 1; transform: translateY(0); }
  }
  .nav__link {
    font-size: 1.1rem;
    letter-spacing: 0.1em;
    padding: 1.25rem 0;
    width: 100%;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    color: rgba(255,255,255,0.7);
  }
  .nav__link--cta {
    margin-top: 1rem;
    background: var(--c-gold); color: var(--c-dark);
    padding: 0.9rem 1.5rem;
    border-bottom: none;
    width: auto; align-self: flex-start;
  }

  .hero__scroll { display: none; }
  .br-desktop   { display: none; }

  .tech-cards   { grid-template-columns: 1fr; }
  .certs-grid   { grid-template-columns: repeat(2, 1fr); }
  .clients-grid { grid-template-columns: repeat(2, 1fr); }

  .product-tabs {
    overflow-x: auto; white-space: nowrap;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .product-tabs::-webkit-scrollbar { display: none; }

  .s-factory { min-height: auto; }
  .capabilities__grid { grid-template-columns: 1fr; }

  .contact-layout { grid-template-columns: 1fr; }
  #contact-form { max-width: 100%; width: 100%; }

  .footer__inner { flex-direction: column; align-items: flex-start; }
  .footer__copy  { text-align: left; }
}

@media (max-width: 480px) {
  .clients-grid       { grid-template-columns: 1fr 1fr; }
  .certs-grid         { grid-template-columns: repeat(2, 1fr); }
  .hero__clients      { flex-direction: column; align-items: flex-start; gap: 0.75rem; }
}

/* ============================================================
   PRINT
   ============================================================ */
@media print {
  .nav, .hero__scroll, .carousel__controls { display: none; }
  .reveal { opacity: 1; transform: none; }
  * { background: white !important; color: black !important; }
}