/* SFS website UI kit — layout & chrome styles (built on the design-system tokens). */

.sfs-site { background: var(--white); color: var(--text-body); }
.sfs-shell { max-width: 1240px; margin: 0 auto; padding-inline: var(--page-pad); width: 100%; }

/* ---------- Top utility bar ---------- */
.sfs-topbar { border-bottom: 1px solid var(--grey-100); background: var(--white); }
.sfs-topbar__row { display: flex; align-items: center; justify-content: space-between; height: 44px; }
.sfs-topbar__links { display: flex; gap: 24px; }
.sfs-topbar__link { font-size: 13px; color: var(--grey-500); white-space: nowrap; }
.sfs-topbar__link:hover { color: var(--link-hover); }
.sfs-topbar__lang { font-size: 13px; color: var(--ink); letter-spacing: .02em; }
.sfs-topbar__lang .muted { color: var(--grey-400); }
.sfs-topbar__lang .sep { color: var(--grey-300); margin: 0 4px; }

/* ---------- Header ---------- */
.sfs-header { position: sticky; top: 0; z-index: 40; background: var(--white); border-bottom: 1px solid var(--grey-100); }
.sfs-header__row { display: flex; align-items: center; gap: 28px; height: 78px; }
.sfs-logo { flex: none; display: flex; align-items: center; }
.sfs-logo img { height: 38px; width: auto; display: block; }
.sfs-nav { display: flex; gap: 20px; margin: 0 auto; }
.sfs-nav__item {
  display: inline-flex; align-items: center; gap: 5px; white-space: nowrap;
  font-family: var(--font-heading); font-weight: 700; font-size: 15px; letter-spacing: -0.01em;
  color: var(--ink); background: none; border: none; cursor: pointer; padding: 6px 0;
  border-bottom: 3px solid var(--ink); margin-top: 3px; transition: var(--transition-hover);
}
.sfs-nav__item:hover { color: var(--sfs-red); border-color: var(--sfs-red); }
.sfs-nav__item.is-open { color: var(--sfs-red); border-color: var(--sfs-red); }
.sfs-nav__caret { transition: transform var(--dur-base) var(--ease-standard); }
.sfs-nav__caret.flip { transform: rotate(180deg); }
.sfs-search { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; color: var(--ink); background: none; border: none; cursor: pointer; flex: none; }
.sfs-search:hover { color: var(--sfs-red); }

/* ---------- Mega menu ---------- */
.sfs-mega { position: absolute; left: 0; right: 0; top: 100%; background: var(--white); border-bottom: 1px solid var(--grey-200); box-shadow: var(--shadow-md); animation: sfsDrop var(--dur-base) var(--ease-out); }
@keyframes sfsDrop { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: none; } }
.sfs-mega--dark { background: var(--black); border-bottom: none; }
.sfs-mega__tiles { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px 26px; padding: 44px 0 52px; align-items: start; }
.sfs-tile { display: block; color: var(--white); }
.sfs-tile__name { display: block; font-family: var(--font-heading); font-weight: 700; font-size: 22px; line-height: 1.18; letter-spacing: -0.02em; margin-bottom: 14px; }
.sfs-mega .sfs-tile__name { min-height: 2.36em; }
.sfs-tile__frame { position: relative; display: block; padding: 10px 0 0 10px; }
.sfs-tile__frame::before { content: ""; position: absolute; inset: 0 10px 10px 0; border: 1.5px solid rgba(255,255,255,0.55); transition: border-color var(--dur-base) var(--ease-standard); }
.sfs-tile__frame img { position: relative; display: block; width: 100%; height: 150px; object-fit: cover; filter: grayscale(1) brightness(.85); transition: filter var(--dur-mid) var(--ease-out); }
.sfs-tile:hover .sfs-tile__name { color: var(--sfs-red); }
.sfs-tile:hover .sfs-tile__frame::before { border-color: var(--sfs-red); }
.sfs-tile:hover .sfs-tile__frame img { filter: grayscale(.2) brightness(1); }
.sfs-mega__pad { padding: 36px 0 44px; }
.sfs-megabtn { display: flex; width: 100%; align-items: center; justify-content: center; gap: 8px; height: 50px; font-family: var(--font-heading); font-weight: 700; font-size: 15px; color: var(--ink); background: transparent; border: 1.5px solid var(--ink); cursor: pointer; margin: 8px 0 26px; transition: var(--transition-hover); }
.sfs-megabtn:hover { background: var(--ink); color: var(--white); }
.sfs-megabtn:hover svg { stroke: var(--white); }
.sfs-mega__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 56px; margin-bottom: 8px; }
.sfs-mega__item { display: block; padding: 16px 0; border-bottom: 2px solid var(--ink); }
.sfs-mega__itemtitle { display: block; font-family: var(--font-heading); font-weight: 700; font-size: 18px; color: var(--ink); letter-spacing: -0.01em; }
.sfs-mega__itemdesc { display: block; font-size: 14px; color: var(--grey-500); margin-top: 4px; }
.sfs-mega__item:hover .sfs-mega__itemtitle { color: var(--sfs-red); }

/* Mega menu — column link lists */
.sfs-mega__cols { display: flex; gap: 64px; flex-wrap: wrap; }
.sfs-mega__col { min-width: 220px; }
.sfs-mega__list { display: flex; flex-direction: column; }
.sfs-mega__link { display: block; padding: 11px 0; font-family: var(--font-heading); font-weight: 700; font-size: 16px; color: var(--ink); letter-spacing: -0.01em; border-bottom: 1px solid var(--grey-200); transition: var(--transition-hover); }
.sfs-mega__link:hover { color: var(--sfs-red); }
.sfs-mega__link svg { color: var(--grey-400); }
.sfs-mega__link:hover svg { color: var(--sfs-red); }

/* Applications page — image tiles */
.sfs-appgrid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--grid-gap); }
.sfs-apptile { display: block; }
.sfs-apptile__media { aspect-ratio: 4 / 3; overflow: hidden; background: var(--grey-100); border: 1px solid var(--border-default); border-top: 3px solid var(--accent, var(--ink)); }
.sfs-apptile__media img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(0.5); transition: transform var(--dur-mid) var(--ease-out), filter var(--dur-base); }
.sfs-apptile:hover .sfs-apptile__media img { transform: scale(1.05); filter: grayscale(0); }
.sfs-apptile__name { display: block; margin-top: 10px; font-family: var(--font-heading); font-weight: 700; font-size: 16px; color: var(--ink); letter-spacing: -0.01em; }
.sfs-apptile:hover .sfs-apptile__name { color: var(--sfs-red); }

/* ---------- Legal / terms page ---------- */
.sfs-legal { display: flex; flex-direction: column; gap: var(--space-6); }
.sfs-legal__sec h3 { font-size: var(--text-h4); margin: 0 0 8px; }
.sfs-legal__sec p { margin: 0; color: var(--text-body); font-size: 15px; line-height: var(--leading-body); }

/* ---------- Download center ---------- */
.sfs-tabs { display: flex; flex-wrap: wrap; gap: 0; border-bottom: 1px solid var(--border-default); margin-bottom: var(--space-7); }
.sfs-tab { appearance: none; background: none; border: none; cursor: pointer; font-family: var(--font-heading); font-weight: 700; font-size: 16px; letter-spacing: -0.01em; color: var(--text-muted); padding: 14px 0; margin-right: 32px; border-bottom: 3px solid transparent; margin-bottom: -1px; transition: var(--transition-hover); }
.sfs-tab:hover { color: var(--ink); }
.sfs-tab.is-active { color: var(--ink); border-bottom-color: var(--sfs-red); }
.sfs-dlgroup { margin-bottom: var(--space-7); }
.sfs-dlgroup:last-child { margin-bottom: 0; }
.sfs-dllist { display: flex; flex-direction: column; border-top: 2px solid var(--ink); }
.sfs-dlrow { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 18px 4px; border-bottom: 1px solid var(--grey-200); text-align: left; background: none; border-left: none; border-right: none; border-top: none; cursor: pointer; width: 100%; font: inherit; transition: background var(--dur-base); }
.sfs-dlrow:hover { background: var(--grey-50); }
.sfs-dlrow__name { font-family: var(--font-heading); font-weight: 700; font-size: var(--text-h4); color: var(--ink); letter-spacing: -0.01em; }
.sfs-dlrow:hover .sfs-dlrow__name { color: var(--sfs-red); }
.sfs-dlrow__right { display: flex; align-items: center; gap: 18px; flex: none; }
.sfs-dlrow__meta { font-family: var(--font-mono); font-size: 13px; color: var(--text-muted); white-space: nowrap; }
.sfs-dlrow__ico { width: 40px; height: 40px; flex: none; display: grid; place-items: center; border: 1.5px solid var(--border-strong); color: var(--ink); transition: var(--transition-hover); }
.sfs-dlrow:hover .sfs-dlrow__ico { background: var(--ink); color: var(--white); border-color: var(--ink); }
@media (max-width: 640px) {
  .sfs-dlrow__name { font-size: 15px; }
  .sfs-dlrow__meta { display: none; }
}

/* ---------- Generic section scaffolding ---------- */
.sfs-section { padding-block: var(--section-pad-y); }
.sfs-section--dark { background: var(--black); color: var(--white); }
.sfs-section--subtle { background: var(--grey-50); }
.sfs-lede { max-width: 720px; font-size: var(--text-lead); font-weight: 700; line-height: var(--leading-snug); color: var(--ink); letter-spacing: -0.01em; }
/* Centered production-stats band (Home: SFS in Numbers) */
.sfs-stats-band { text-align: center; column-gap: 24px; }
.sfs-stats-band .sfs-stat { align-items: center; gap: 8px; }
.sfs-stats-band .sfs-stat__num { font-size: clamp(1.5rem, 1.05rem + 1.5vw, 2.25rem); line-height: 1.05; white-space: nowrap; }
.sfs-stats-band .sfs-stat__label { font-size: 15px; font-weight: var(--weight-semibold); line-height: 1.2; }
.sfs-stats-band .sfs-stat__sub { font-size: 14px; }
/* Oversized arrow link (home Products & Technologies) */
.sfs-arrow-link--xl { font-size: clamp(2rem, 1.4rem + 2vw, 2.75rem); font-weight: var(--weight-bold); letter-spacing: -0.03em; gap: var(--space-3); }
.sfs-arrow-link--xl::after { font-weight: var(--weight-medium); }
/* Products & Technologies — grey panel + circular wafer + overlapping links */
.sfs-pt { position: relative; display: flex; align-items: center; min-height: 540px; }
.sfs-pt__panel { position: absolute; top: 0; bottom: 0; left: 3%; right: 14%; background: var(--grey-100); z-index: 0; }
.sfs-pt__wafer { position: relative; z-index: 1; flex: none; width: clamp(240px, 33vw, 380px); aspect-ratio: 1 / 1; border-radius: var(--radius-pill); overflow: hidden; box-shadow: var(--shadow-md); }
.sfs-pt__wafer img { width: 100%; height: 100%; object-fit: cover; display: block; }
.sfs-pt__content { position: relative; z-index: 1; display: flex; flex-direction: column; align-items: flex-start; gap: 26px; margin-left: clamp(28px, 7vw, 110px); }
.sfs-pt__cta { align-self: flex-start; width: clamp(320px, 44vw, 560px); height: 56px; justify-content: center; margin-top: 10px; transform: translateX(clamp(40px, 9vw, 150px)); }
@media (max-width: 760px) {
  .sfs-pt { flex-direction: column; align-items: stretch; padding: 28px 0; }
  .sfs-pt__panel { left: 0; right: 0; }
  .sfs-pt__wafer { width: clamp(200px, 60vw, 300px); margin: 0 auto 28px; }
  .sfs-pt__content { margin-left: 0; align-items: center; text-align: center; padding: 0 16px; }
  .sfs-pt__cta { min-width: 0; width: 100%; transform: none; }
}
.sfs-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--grid-gap); }
.sfs-grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--grid-gap); }
.sfs-grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--grid-gap); }

/* ---------- Hero ---------- */
.sfs-hero { position: relative; }
.sfs-hero__img { width: 100%; height: clamp(320px, 46vw, 560px); object-fit: cover; display: block; }
.sfs-hero__big { position: absolute; inset: 0; display: flex; align-items: center; justify-content: space-between; padding-inline: clamp(20px, 6vw, 120px); pointer-events: none; }
.sfs-hero__num { font-family: var(--font-heading); font-weight: 800; font-size: clamp(110px, 22vw, 300px); line-height: .8; color: rgba(255,255,255,0.82); letter-spacing: -0.04em; }
.sfs-hero__play { position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%); width: 64px; height: 64px; }

/* ---------- Footer (dark) ---------- */
.sfs-footer { position: relative; background: #2d2f31; color: var(--text-on-dark-muted); }
.sfs-footer__main { display: flex; justify-content: space-between; gap: 40px; padding: 56px 0 44px; flex-wrap: wrap; }
.sfs-footer h4 { font-family: var(--font-heading); font-weight: 700; font-size: 16px; color: var(--white); margin: 0 0 10px; }
.sfs-footer__inq { max-width: 620px; }
.sfs-footer__co { font-family: var(--font-heading); font-weight: 600; font-size: 18px; color: #d6dade; margin: 0 0 4px; letter-spacing: -0.01em; }
.sfs-footer__co-sub { font-style: italic; font-size: 14px; color: #9aa1a9; margin: 0 0 20px; }
.sfs-footer__cta { font-size: 16px; color: #c2c7cd; margin: 0 0 6px; }
.sfs-footer__contact { font-size: 16px; color: #c2c7cd; margin: 0 0 18px; }
.sfs-footer__contact a { color: var(--white); font-weight: 700; }
.sfs-footer__contact a[href^="mailto"] { color: #7fb1ff; font-weight: 400; }
.sfs-footer__contact a:hover { color: var(--sfs-red); }
.sfs-footer__sep { margin: 0 12px; color: #6b7178; }
.sfs-footer__right { text-align: right; display: flex; flex-direction: column; align-items: flex-end; }
.sfs-footer__social { display: flex; gap: 16px; margin-bottom: 26px; color: var(--white); }
.sfs-footer__social a { color: var(--white); }
.sfs-footer__social a:hover { color: var(--sfs-red); }
.sfs-footer__sub { font-size: 14px; color: #9aa1a9; margin: 0 0 14px; }
.sfs-footer__bar { background: transparent; border-top: 1px solid rgba(255,255,255,0.12); }
.sfs-footer__barrow { display: flex; justify-content: space-between; align-items: center; min-height: 56px; flex-wrap: wrap; gap: 12px 24px; padding-block: 10px; }
.sfs-footer__legal { display: flex; gap: 24px; flex-wrap: wrap; }
.sfs-footer__legal a { font-size: 13px; color: #9aa1a9; font-weight: 500; }
.sfs-footer__legal a:hover { color: var(--sfs-red); }
.sfs-footer__barright { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }
.sfs-footer__member { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; color: #9aa1a9; }
.sfs-footer__member img { height: 18px; width: auto; display: block; }
.sfs-footer__copy { font-size: 13px; color: #6b7178; }
.sfs-totop { position: absolute; right: var(--page-pad); top: -28px; width: 56px; height: 56px; display: grid; place-items: center; background: var(--black); color: var(--white); border: none; cursor: pointer; transition: background var(--dur-base); }
.sfs-totop:hover { background: var(--sfs-red); }

/* ---------- Spec table (Roboto Mono data) ---------- */
.sfs-spectable { width: 100%; border-collapse: collapse; max-width: 820px; }
.sfs-spectable th { text-align: left; background: var(--ink); color: var(--white); font-family: var(--font-heading); font-weight: 700; font-size: 14px; padding: 12px 16px; letter-spacing: .02em; }
.sfs-spectable td { padding: 12px 16px; font-size: 14px; color: var(--text-body); border-bottom: 1px solid var(--grey-200); }
.sfs-spectable td:last-child { font-family: var(--font-mono); color: var(--ink); }
.sfs-spectable tbody tr:nth-child(even) { background: var(--grey-50); }

/* ---------- Contact form ---------- */
.sfs-contact-grid { display: grid; grid-template-columns: 1fr 1.3fr; gap: 56px; align-items: start; }
.sfs-contact-card { display: flex; gap: 14px; padding: 20px; border: 1px solid var(--border-default); }
.sfs-contact-card__ico { width: 44px; height: 44px; flex: none; display: grid; place-items: center; background: var(--ink); color: var(--white); }
.sfs-contact-card h4 { margin: 0 0 4px; font-family: var(--font-heading); font-size: 16px; color: var(--ink); }
.sfs-contact-card a { color: var(--sfs-red); font-weight: 600; }
.sfs-contact-card p { margin: 4px 0 0; font-size: 13px; color: var(--grey-500); }
.sfs-form { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.sfs-form .full { grid-column: 1 / -1; }
@media (max-width: 860px) {
  .sfs-contact-grid { grid-template-columns: 1fr; gap: 32px; }
  .sfs-form { grid-template-columns: 1fr; }
}

/* ---------- Plant / location cards ---------- */
.sfs-plants { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--grid-gap); }
.sfs-plant { border: 1px solid var(--border-default); border-top: 3px solid var(--ink); padding: var(--card-pad); display: flex; flex-direction: column; gap: 10px; }
.sfs-plant__head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.sfs-plant__title { font-family: var(--font-heading); font-weight: 700; font-size: var(--text-h4); color: var(--ink); margin: 0; letter-spacing: -0.01em; }
.sfs-plant__title span { display: block; font-size: 12px; font-weight: 700; letter-spacing: var(--tracking-wide); text-transform: uppercase; color: var(--sfs-red); margin-top: 4px; }
.sfs-plant__dir { font-size: 13px; }
.sfs-plant__co { margin: 0; font-size: 14px; font-weight: 600; color: var(--ink); line-height: 1.4; }
.sfs-plant__co span { display: block; font-weight: 400; font-size: 12px; color: var(--text-muted); margin-top: 2px; }
.sfs-plant__addr { margin: 0; font-size: 14px; color: var(--text-body); line-height: var(--leading-snug); }
.sfs-plant__contact { margin-top: auto; padding-top: 8px; display: flex; flex-direction: column; gap: 3px; font-family: var(--font-mono); font-size: 13px; color: var(--text-muted); }
.sfs-plant__contact a { color: var(--ink); }
.sfs-plant__contact a:hover { color: var(--sfs-red); }
@media (max-width: 1024px) {
  .sfs-plants { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 640px) {
  .sfs-plants { grid-template-columns: 1fr; }
}

/* ---------- Interior page hero (solid) ---------- */
.sfs-pagehead { background: var(--black); color: var(--white); padding-block: var(--space-8); }
.sfs-pagehead .sfs-eyebrow { margin-bottom: var(--space-2); color: var(--sfs-red); }
.sfs-pagehead h1 { color: var(--white); font-size: var(--text-h1); margin: 0; }
.sfs-pagehead p { color: var(--text-on-dark-muted); margin: 14px 0 0; max-width: 620px; font-size: var(--text-lead); }

/* ---------- Products: filter sidebar + grid ---------- */
.sfs-prodlayout { display: grid; grid-template-columns: 248px 1fr; gap: 44px; align-items: start; }
.sfs-filters { border: 1px solid var(--border-default); }
.sfs-filters__group { padding: 18px 16px; border-bottom: 1px solid var(--border-default); }
.sfs-filters__group:last-child { border-bottom: none; }
.sfs-filters__title { font-family: var(--font-heading); font-weight: 700; font-size: 13px; letter-spacing: var(--tracking-wide); color: var(--ink); margin: 0 0 12px; }
.sfs-filters__opts { display: flex; flex-direction: column; align-items: stretch; gap: 12px; }
.sfs-prodgrid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--grid-gap); }
.sfs-prodbar { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: var(--space-5); }
.sfs-prodbar__count { font-size: 14px; color: var(--text-muted); }
.sfs-specs { list-style: none; margin: 8px 0 0; padding: 12px 0 0; border-top: 1px solid var(--grey-200); display: flex; flex-direction: column; gap: 6px; }
.sfs-specs li { display: flex; justify-content: space-between; font-size: 13px; color: var(--text-muted); gap: 12px; }
.sfs-specs li b { font-family: var(--font-mono); font-weight: 500; color: var(--ink); text-align: right; }
.sfs-pagination { display: flex; gap: 6px; justify-content: center; margin-top: var(--space-8); }
.sfs-pagination button { width: 40px; height: 40px; border: 1px solid var(--border-strong); background: var(--white); font-family: var(--font-heading); font-weight: 700; font-size: 14px; cursor: pointer; transition: var(--transition-hover); }
.sfs-pagination button.is-active, .sfs-pagination button:hover { background: var(--ink); color: var(--white); border-color: var(--ink); }

/* ---------- Feature / capability card (icon + specs) ---------- */
.sfs-feature { border: 1px solid var(--border-default); border-top: 3px solid var(--accent, var(--ink)); padding: var(--card-pad); display: flex; flex-direction: column; gap: 10px; background: var(--white); transition: var(--transition-move); }
.sfs-feature:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.sfs-feature__ico { width: 46px; height: 46px; display: grid; place-items: center; color: var(--ink); border: 1.5px solid var(--ink); }
.sfs-feature h3 { font-size: var(--text-h4); margin: 0; }
.sfs-feature p { font-size: 14px; color: var(--text-body); margin: 0; line-height: var(--leading-snug); }
.sfs-feature__specs { display: flex; flex-direction: column; gap: 4px; margin-top: 4px; }
.sfs-feature__specs span { font-family: var(--font-mono); font-size: 12px; color: var(--grey-500); }
.sfs-feature__specs b { color: var(--ink); font-weight: 500; }

/* ---------- Matrix table ---------- */
.sfs-matrix { width: 100%; border-collapse: collapse; }
.sfs-matrix th { text-align: left; background: var(--ink); color: var(--white); font-family: var(--font-heading); font-weight: 700; font-size: 13px; padding: 12px 14px; letter-spacing: .02em; white-space: nowrap; }
.sfs-matrix td { padding: 12px 14px; font-size: 13px; color: var(--text-body); border-bottom: 1px solid var(--grey-200); }
.sfs-matrix tbody tr:nth-child(even) { background: var(--grey-50); }
.sfs-matrix tbody tr:hover { background: var(--sfs-red-tint); }
.sfs-matrix td:first-child { font-family: var(--font-heading); font-weight: 700; color: var(--ink); }

/* ---------- Certification badges ---------- */
.sfs-certs { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--grid-gap); }
.sfs-cert { border: 1px solid var(--border-default); padding: 20px 16px; text-align: center; display: flex; flex-direction: column; align-items: center; gap: 8px; }
.sfs-cert__badge { width: 64px; height: 64px; border-radius: var(--radius-pill); border: 2px solid var(--ink); display: grid; place-items: center; font-family: var(--font-heading); font-weight: 800; font-size: 14px; color: var(--ink); letter-spacing: -0.02em; }
.sfs-cert h4 { font-size: 14px; margin: 4px 0 0; }
.sfs-cert span { font-size: 12px; color: var(--text-muted); }

/* ---------- Careers: job listings & departments ---------- */
.sfs-jobs { display: flex; flex-direction: column; }
.sfs-job { display: grid; grid-template-columns: 1fr auto; gap: 16px 24px; align-items: center; padding: 22px 0; border-bottom: 1px solid var(--grey-200); }
.sfs-job:first-child { border-top: 2px solid var(--ink); }
.sfs-job__title { font-family: var(--font-heading); font-weight: 700; font-size: var(--text-h4); color: var(--ink); margin: 0 0 8px; }
.sfs-job__meta { display: flex; gap: 18px; flex-wrap: wrap; font-size: 13px; color: var(--text-muted); }
.sfs-dept { border: 1px solid var(--border-default); padding: var(--card-pad); display: flex; flex-direction: column; gap: 8px; }
.sfs-dept__open { font-size: 13px; color: var(--sfs-red); font-weight: 700; }

/* ---------- Sustainability pillars ---------- */
.sfs-pillar { display: flex; flex-direction: column; gap: 12px; padding: var(--card-pad); border-left: 3px solid var(--accent-fluid); background: var(--white); }
.sfs-pillar__ico { width: 48px; height: 48px; display: grid; place-items: center; color: var(--accent-fluid); border: 1.5px solid var(--accent-fluid); }
.sfs-pillar h3 { font-size: var(--text-h4); margin: 0; }
.sfs-pillar p { font-size: 14px; color: var(--text-body); margin: 0; line-height: var(--leading-snug); }
.sfs-pillar__metric { font-family: var(--font-mono); font-size: 12px; color: var(--accent-fluid); font-weight: 700; }

/* ---------- Product detail: gallery ---------- */
.sfs-pdp { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: start; }
.sfs-gallery__main { background: var(--grey-50); border: 1px solid var(--border-default); aspect-ratio: 4 / 3; display: grid; place-items: center; overflow: hidden; }
.sfs-gallery__main img { width: 100%; height: 100%; object-fit: contain; padding: 18px; }
.sfs-gallery__thumbs { display: flex; gap: 12px; margin-top: 12px; }
.sfs-gallery__thumb { width: 84px; height: 64px; background: var(--grey-50); border: 1px solid var(--border-default); cursor: pointer; padding: 6px; transition: border-color var(--dur-base); }
.sfs-gallery__thumb img { width: 100%; height: 100%; object-fit: contain; }
.sfs-gallery__thumb.is-active { border-color: var(--ink); border-width: 1.5px; }
.sfs-pdp__model { font-family: var(--font-mono); font-size: 13px; color: var(--text-muted); margin: 2px 0 18px; }
.sfs-keyspecs { list-style: none; margin: 0 0 24px; padding: 0; display: flex; flex-direction: column; }
.sfs-keyspecs li { display: flex; justify-content: space-between; gap: 16px; padding: 11px 0; border-bottom: 1px solid var(--grey-200); font-size: 14px; }
.sfs-keyspecs li:first-child { border-top: 1px solid var(--grey-200); }
.sfs-keyspecs span { color: var(--text-muted); }
.sfs-keyspecs b { font-family: var(--font-mono); font-weight: 500; color: var(--ink); text-align: right; }
.sfs-pdp__actions { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }

/* ---------- Application / ideal-for cards ---------- */
.sfs-appcard { border: 1px solid var(--border-default); padding: var(--card-pad); display: flex; flex-direction: column; gap: 8px; }
.sfs-appcard__ico { width: 42px; height: 42px; display: grid; place-items: center; color: var(--ink); border: 1.5px solid var(--ink); }
.sfs-appcard h4 { font-size: var(--text-h4); margin: 0; }
.sfs-appcard p { font-size: 14px; color: var(--text-body); margin: 0; line-height: var(--leading-snug); }
.sfs-appcard small { font-size: 12px; color: var(--text-muted); font-style: italic; }

/* ---------- Company: timeline ---------- */
/* ---------- Company: milestones timeline (number / center rail / text) ---------- */
.sfs-timeline { position: relative; max-width: 960px; }
.sfs-tl { display: grid; grid-template-columns: minmax(96px, 168px) 48px 1fr; align-items: center; column-gap: 12px; }
.sfs-tl__year { font-family: var(--font-heading); font-weight: 800; font-size: clamp(1.75rem, 1.1rem + 1.8vw, 2.75rem); color: var(--ink); letter-spacing: -0.03em; line-height: 1; margin: 0; text-align: right; }
.sfs-tl__rail { position: relative; align-self: stretch; }
.sfs-tl__rail::before { content: ""; position: absolute; left: 50%; top: 0; bottom: 0; width: 2px; background: var(--grey-200); transform: translateX(-50%); }
.sfs-tl:first-child .sfs-tl__rail::before { top: 50%; }
.sfs-tl:last-child .sfs-tl__rail::before { bottom: 50%; }
/* glowing progress fill from 1986 → 2021 — JS sets left/top/height as it scrolls */
.sfs-timeline__fill { position: absolute; width: 2px; background: var(--sfs-red); transform: translateX(-50%); box-shadow: 0 0 8px 1px rgba(231,56,28,0.75), 0 0 16px 3px rgba(231,56,28,0.45); z-index: 1; transition: height 120ms linear; pointer-events: none; }
.sfs-tl__dot { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); width: 15px; height: 15px; border-radius: var(--radius-pill); background: var(--grey-300); box-shadow: 0 0 0 5px var(--bg-page); z-index: 2; transition: background var(--dur-base), box-shadow var(--dur-base); }
.sfs-tl__dot.is-reached { background: var(--sfs-red); box-shadow: 0 0 0 5px var(--bg-page), 0 0 10px 2px rgba(231,56,28,0.7); }
.sfs-tl__list { list-style: none; margin: 0; padding: 28px 0; display: flex; flex-direction: column; gap: 6px; }
.sfs-tl__list li { position: relative; padding-left: 18px; font-size: 15px; color: var(--text-body); line-height: var(--leading-snug); }
.sfs-tl__list li::before { content: ""; position: absolute; left: 0; top: 9px; width: 5px; height: 5px; background: var(--sfs-red); border-radius: var(--radius-pill); }
@media (max-width: 600px) {
  .sfs-tl { grid-template-columns: 64px 30px 1fr; column-gap: 8px; }
  .sfs-tl__year { font-size: 1.5rem; }
  .sfs-tl__list { padding: 18px 0; }
}

/* ---------- Company: leadership ---------- */
.sfs-leader { display: flex; flex-direction: column; }
.sfs-leader__photo { aspect-ratio: 1 / 1; background: var(--grey-100); border: 1px solid var(--border-default); overflow: hidden; }
.sfs-leader__photo img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--dur-mid) var(--ease-out); }
.sfs-leader:hover .sfs-leader__photo img { transform: scale(1.04); }
.sfs-leader h4 { font-size: 16px; margin: 14px 0 2px; }
.sfs-leader span { font-size: 13px; color: var(--text-muted); }

/* ---------- Company: client wall ---------- */
.sfs-clients { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); border-top: 1px solid var(--border-default); border-left: 1px solid var(--border-default); }
.sfs-clients__cell { aspect-ratio: 3 / 2; border-right: 1px solid var(--border-default); border-bottom: 1px solid var(--border-default); display: grid; place-items: center; padding: 18px; background: var(--white); transition: background var(--dur-base); }
.sfs-clients__cell:hover { background: var(--grey-50); }
.sfs-clients__cell img { max-width: 100%; max-height: 100%; object-fit: contain; filter: grayscale(1); opacity: 0.72; transition: filter var(--dur-base), opacity var(--dur-base); }
.sfs-clients__cell:hover img { filter: grayscale(0); opacity: 1; }

/* ---------- Company: chairman message ---------- */
.sfs-chairman { display: grid; grid-template-columns: 280px 1fr; gap: 44px; align-items: start; }
.sfs-chairman__photo { width: 100%; aspect-ratio: 1/1; object-fit: cover; border: 1px solid var(--border-default); }
.sfs-chairman blockquote { margin: 0; font-size: var(--text-lead); line-height: var(--leading-snug); color: var(--text-body); }
.sfs-chairman__sign { margin-top: 18px; font-family: var(--font-heading); font-weight: 700; color: var(--ink); }
.sfs-chairman__role { font-size: 13px; color: var(--text-muted); }

@media (max-width: 1024px) {
  .sfs-pdp { grid-template-columns: 1fr; }
  .sfs-clients { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}
@media (max-width: 860px) {
  .sfs-chairman { grid-template-columns: 1fr; gap: 24px; }
  .sfs-chairman__photo { max-width: 220px; }
  .sfs-clients { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

/* ---------- Process flow (infrastructure / QA) ---------- */
.sfs-flow { display: flex; flex-wrap: wrap; align-items: stretch; gap: 12px; }
.sfs-flow__step { flex: 1 1 0; min-width: 130px; border: 1px solid var(--border-strong); padding: 18px 16px; display: flex; flex-direction: column; gap: 8px; background: var(--white); }
.sfs-flow__num { font-family: var(--font-heading); font-weight: 800; font-size: 22px; color: var(--sfs-red); letter-spacing: -0.02em; line-height: 1; }
.sfs-flow__label { font-family: var(--font-heading); font-weight: 700; font-size: 14px; color: var(--ink); letter-spacing: -0.01em; }
.sfs-flow__arrow { align-self: center; color: var(--grey-400); font-size: 20px; flex: none; }

/* ---------- Photo gallery grid (CSR) ---------- */
.sfs-gallery-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--grid-gap); }
.sfs-gallery-cell { aspect-ratio: 4 / 3; overflow: hidden; background: var(--grey-100); border: 1px solid var(--border-default); }
.sfs-gallery-cell img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--dur-mid) var(--ease-out); }
.sfs-gallery-cell:hover img { transform: scale(1.05); }

@media (max-width: 1024px) {
  .sfs-gallery-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 768px) {
  .sfs-flow { flex-direction: column; }
  .sfs-flow__arrow { transform: rotate(90deg); }
  .sfs-gallery-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ---------- Responsive ---------- */

@media (max-width: 1024px) {
  .sfs-prodlayout { grid-template-columns: 1fr; }
  .sfs-prodgrid { grid-template-columns: repeat(2, 1fr); }
  .sfs-certs { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 860px) {
  .sfs-prodgrid { grid-template-columns: 1fr; }
  .sfs-job { grid-template-columns: 1fr; }
}
@media (max-width: 1024px) {
  .sfs-grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 1040px) {
  .sfs-nav { display: none; }
}
@media (max-width: 860px) {
  .sfs-mega__tiles { grid-template-columns: repeat(2, 1fr); }
  .sfs-mega__grid { grid-template-columns: 1fr; }
  .sfs-mega__cols { gap: 32px; }
  .sfs-appgrid { grid-template-columns: repeat(2, 1fr); }
  .sfs-grid-3, .sfs-grid-2, .sfs-grid-4 { grid-template-columns: 1fr; }
  .sfs-footer__main { flex-direction: column; }
  .sfs-footer__right { align-items: flex-start; text-align: left; }
}