/* ──────────────────────────────────────────────────────────────────────
   Seifert Dynamics — shared page design system
   Matches the homepage aesthetic: pure black, Inter/DM Sans/JetBrains Mono,
   white-to-gray gradient headings, corner-dotted cards, bordered footer.
   ────────────────────────────────────────────────────────────────────── */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@200;300;400;500;600&family=DM+Sans:wght@200;300;400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --sd-bg:           #000001;
  --sd-bg-elev:      #010101;
  --sd-bg-card:      rgba(217,217,217,0.07);
  --sd-ink:          #E6E9ED;
  --sd-ink-2:        rgba(230,233,237,0.80);
  --sd-ink-3:        rgba(230,233,237,0.60);
  --sd-ink-4:        rgba(230,233,237,0.40);
  --sd-line:         rgba(255,255,255,0.05);
  --sd-line-strong:  rgba(255,255,255,0.10);
  --sd-divider:      #424453;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--sd-bg); color: var(--sd-ink);
             font-family: 'Inter', system-ui, -apple-system, Segoe UI, sans-serif;
             -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; height: auto; }

.font-sans    { font-family: 'Inter', system-ui, sans-serif; }
.font-dm      { font-family: 'DM Sans', system-ui, sans-serif; }
.font-mono    { font-family: 'JetBrains Mono', monospace; }

/* Gradient white→gray text used for big display headings */
.sd-gradient {
  background: linear-gradient(90deg, #E6E9ED 0%, rgba(230,233,237,0.6) 100%);
  -webkit-background-clip: text;
          background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

/* ─── Display typography ─── */
.sd-h1 { font-size: clamp(40px, 7vw, 84px); font-weight: 500; line-height: 1.05; letter-spacing: -0.02em; margin: 0; }
.sd-h2 { font-size: clamp(28px, 4.5vw, 56px); font-weight: 500; line-height: 1.15; letter-spacing: -0.02em; margin: 0; }
.sd-h3 { font-size: clamp(18px, 1.8vw, 24px); font-weight: 500; line-height: 1.2; margin: 0; }
.sd-eyebrow { font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase;
              color: var(--sd-ink-3); display: flex; flex-direction: column; gap: 8px; }
.sd-eyebrow::after { content: ''; display: block; width: 96px; height: 1px; background: rgba(230,233,237,0.6); }

/* ─── Layout container ─── */
.sd-wrap { max-width: 1340px; margin: 0 auto; padding: 0 24px; }
@media (min-width: 768px) { .sd-wrap { padding: 0 48px; } }

/* ─── Navbar ─── */
.sd-nav { position: fixed; top: 0; left: 0; right: 0; z-index: 60;
          padding: 20px 0; transition: background 0.25s ease, border-color 0.25s ease, padding 0.25s ease;
          border-bottom: 1px solid transparent; }
.sd-nav.is-scrolled { background: rgba(0,0,1,0.9); backdrop-filter: blur(20px);
                      -webkit-backdrop-filter: blur(20px); border-bottom-color: rgba(255,255,255,0.05);
                      padding: 16px 0; box-shadow: 0 20px 40px rgba(0,0,0,0.4); }
.sd-nav-row { max-width: 1700px; margin: 0 auto; padding: 0 20px; display: flex;
              align-items: center; justify-content: space-between; gap: 16px; }
@media (min-width: 640px) { .sd-nav-row { padding: 0 32px; } }
.sd-nav-logo img { height: 32px; width: auto; }
@media (min-width: 1024px) { .sd-nav-logo img { height: 39px; } }
.sd-nav-links { display: none; align-items: center; gap: 44px; }
@media (min-width: 1024px) { .sd-nav-links { display: flex; } }
.sd-nav-links a { font-family: 'DM Sans', sans-serif; font-weight: 200; font-size: 14px;
                  color: rgba(230,233,237,0.6); letter-spacing: 0.05em; transition: color 0.25s ease; }
.sd-nav-links a:hover, .sd-nav-links a.is-active { color: #ffffff; }

/* Contract button — full border + corner dots */
.sd-contract-btn {
  position: relative; display: none; align-items: center;
  padding: 10px 32px;
  border: 0.6px solid rgba(230,233,237,0.4);
  font-family: 'DM Sans', sans-serif; font-weight: 300; font-size: 14px;
  color: #ffffff; background: transparent;
  transition: background 0.25s ease;
}
@media (min-width: 1024px) { .sd-contract-btn { display: inline-flex; } }
.sd-contract-btn:hover { background: rgba(255,255,255,0.05); }
.sd-contract-btn::before, .sd-contract-btn::after {
  content: ''; position: absolute; width: 4px; height: 4px; background: white;
  transition: transform 0.5s ease;
}
.sd-contract-btn::before { top: -1px; left: -1px; }
.sd-contract-btn::after  { bottom: -1px; right: -1px; }
.sd-contract-btn:hover::before, .sd-contract-btn:hover::after { transform: scale(1.5); }

/* Mobile menu trigger */
.sd-burger { display: inline-flex; align-items: center; justify-content: center;
             padding: 4px; color: #E6E9ED; background: transparent; border: 0; cursor: pointer; }
@media (min-width: 1024px) { .sd-burger { display: none; } }

/* Mobile dropdown */
.sd-mob-menu {
  position: fixed; top: 64px; left: 0; right: 0; z-index: 50;
  background: rgba(3,5,8,0.98); border-bottom: 1px solid rgba(255,255,255,0.10);
  padding: 8px 24px 32px; transform-origin: top;
  clip-path: inset(0 0 100% 0); transition: clip-path 0.4s cubic-bezier(0.16,1,0.3,1);
}
.sd-mob-menu.is-open { clip-path: inset(0 0 0 0); }
.sd-mob-menu a.item { display: flex; align-items: center; justify-content: space-between;
                       padding: 16px 0; border-bottom: 1px solid rgba(255,255,255,0.04);
                       color: rgba(230,233,237,0.9); transition: color 0.25s ease; }
.sd-mob-menu a.item:hover { color: #fff; }
.sd-mob-menu a.item .num { font-family: 'JetBrains Mono', monospace; font-size: 10px;
                            letter-spacing: 0.15em; color: rgba(230,233,237,0.4); margin-right: 20px; }
.sd-mob-menu .cta { display: block; width: 100%; text-align: center; margin-top: 24px;
                     padding: 14px; background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.10);
                     color: #fff; font-size: 14px; font-weight: 500; position: relative; transition: background 0.25s ease, color 0.25s ease; }
.sd-mob-menu .cta:hover { background: #fff; color: #000; }
.sd-mob-menu .cta::before { content: ''; position: absolute; top: -1px; left: -1px; width: 6px; height: 6px; background: white; }
.sd-mob-menu .cta::after  { content: ''; position: absolute; bottom: -1px; right: -1px; width: 6px; height: 6px; background: white; }

/* ─── Buttons ─── */
.sd-btn-primary,
.sd-btn-ghost {
  position: relative;
  isolation: isolate;
  display: inline-flex; align-items: center; justify-content: center; gap: 12px;
  min-height: 46px;
  padding: 12px 22px;
  font-size: 12px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase;
  overflow: hidden;
  transition: color 0.25s ease, border-color 0.25s ease, transform 0.25s ease, background 0.25s ease;
}
.sd-btn-primary::after,
.sd-btn-ghost::after {
  content: '->';
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  transform: translateX(0);
  transition: transform 0.25s ease;
}
.sd-btn-primary::before,
.sd-btn-ghost::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  transform: translateX(-102%);
  transition: transform 0.35s cubic-bezier(0.16,1,0.3,1);
}
.sd-btn-primary {
  background: #E6E9ED; color: #010101;
  border: 1px solid #E6E9ED;
  box-shadow: inset 0 0 0 1px rgba(0,0,0,0.15);
}
.sd-btn-primary::before { background: #ffffff; }
.sd-btn-primary:hover { transform: translateY(-1px); }
.sd-btn-primary:hover::before,
.sd-btn-ghost:hover::before { transform: translateX(0); }
.sd-btn-primary:hover::after,
.sd-btn-ghost:hover::after { transform: translateX(4px); }
.sd-btn-ghost {
  background:
    linear-gradient(90deg, rgba(255,255,255,0.08), rgba(255,255,255,0.02));
  color: var(--sd-ink);
  border: 1px solid rgba(230,233,237,0.26);
}
.sd-btn-ghost::before { background: rgba(255,255,255,0.10); }
.sd-btn-ghost:hover { color: #fff; border-color: rgba(255,255,255,0.58); transform: translateY(-1px); }
.sd-hero-btns .sd-btn-ghost:nth-child(2)::after,
.sd-section .sd-btn-ghost:nth-child(2)::after { content: '/'; }

/* ─── Homepage hero — institutional, restrained ─── */
.sd-hero-home {
  position: relative; min-height: 100vh;
  padding: 160px 0 80px;
  display: flex; align-items: center;
  background: var(--sd-bg);
  border-bottom: 1px solid var(--sd-line);
  overflow: hidden;
}
/* Atmospheric background image, heavily darkened so it reads as mood not decoration */
.sd-hero-home::before {
  content: ''; position: absolute; inset: 0; z-index: 0;
  background-image: url('../../background2.webp');
  background-size: cover;
  background-position: center 35%;
  opacity: 0.55;
  pointer-events: none;
}
/* Dark vignette + bottom fade so text and the section transition stay clean */
.sd-hero-home::after {
  content: ''; position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background:
    linear-gradient(180deg, rgba(0,0,1,0.45) 0%, rgba(0,0,1,0.22) 38%, rgba(0,0,1,0.70) 78%, rgba(0,0,1,1) 100%),
    linear-gradient(90deg,  rgba(0,0,1,0.55) 0%, rgba(0,0,1,0.18) 55%, rgba(0,0,1,0) 100%);
}
.sd-hero-home > .sd-wrap { position: relative; z-index: 2; }
.sd-hero-eyebrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px; letter-spacing: 0.20em; text-transform: uppercase;
  color: var(--sd-ink-3); margin: 0 0 56px;
  display: inline-flex; align-items: center; gap: 14px;
}
.sd-hero-eyebrow::before {
  content: ''; width: 24px; height: 1px; background: rgba(230,233,237,0.45);
}
.sd-hero-h {
  font-size: clamp(40px, 7.5vw, 96px);
  line-height: 1.02; letter-spacing: -0.025em;
  font-weight: 500; color: #ffffff;
  max-width: 1100px; margin: 0 0 32px;
}
.sd-hero-h .accent { color: var(--sd-ink-3); }
.sd-hero-sub {
  font-size: 14.5px; line-height: 1.7;
  color: var(--sd-ink-2); font-weight: 300;
  max-width: 560px; margin: 0 0 56px;
}
.sd-hero-btns { display: flex; flex-wrap: wrap; gap: 12px; margin: 0 0 96px; }
.sd-hero-marker {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px; letter-spacing: 0.20em; text-transform: uppercase;
  color: var(--sd-ink-4);
  display: flex; align-items: center; gap: 14px;
}
.sd-hero-marker::before, .sd-hero-marker::after {
  content: ''; width: 32px; height: 1px; background: rgba(230,233,237,0.10);
}

/* ─── Statement section — big quiet block ─── */
.sd-statement {
  padding: 120px 0;
  border-bottom: 1px solid var(--sd-line);
}
.sd-statement .sd-h2 {
  font-size: clamp(28px, 4.5vw, 52px);
  line-height: 1.15; letter-spacing: -0.02em;
  max-width: 880px; margin: 32px 0 32px;
}
.sd-statement p {
  font-size: 14.5px; line-height: 1.75;
  color: var(--sd-ink-3); font-weight: 300;
  max-width: 560px; margin: 0;
}

/* ─── Products (Atlas + Argus) ─── */
.sd-products {
  padding: 120px 0;
  border-bottom: 1px solid var(--sd-line);
}
.sd-products .sd-h2 {
  font-size: clamp(28px, 4.5vw, 52px);
  margin: 32px 0 80px;
  max-width: 720px;
}
.sd-products-grid {
  display: grid; grid-template-columns: 1fr; gap: 28px;
}
@media (min-width: 900px) {
  .sd-products-grid { grid-template-columns: 1fr 1fr; gap: 28px; align-items: stretch; }
}
.sd-product {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 620px;
  padding: 28px;
  border: 1px solid rgba(255,255,255,0.10);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.055), rgba(255,255,255,0.012)),
    #020304;
  overflow: hidden;
}
.sd-product::before,
.sd-product::after {
  content: '';
  position: absolute;
  width: 7px;
  height: 7px;
  background: #fff;
  z-index: 2;
}
.sd-product::before { top: -1px; left: -1px; }
.sd-product::after { right: -1px; bottom: -1px; }
.sd-product h3 {
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 500; letter-spacing: -0.02em; line-height: 1.05;
  margin: 0; color: #fff;
}
.sd-product .sd-product-meta {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--sd-ink-4); margin: 0 0 28px;
}
.sd-product-media {
  position: relative;
  width: calc(100% + 56px);
  margin: 28px -28px 28px;
  aspect-ratio: 16 / 9;
  border-top: 1px solid rgba(255,255,255,0.08);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  background: #050607;
  overflow: hidden;
}
.sd-product-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(0.2) contrast(1.08) saturate(0.8);
  opacity: 0.92;
  transition: transform 0.55s cubic-bezier(0.16,1,0.3,1), opacity 0.35s ease;
}
.sd-product:hover .sd-product-media img { transform: scale(1.04); opacity: 1; }
.sd-product-media::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(0,0,1,0.02), rgba(0,0,1,0.48)),
    repeating-linear-gradient(0deg, rgba(255,255,255,0.045) 0 1px, transparent 1px 5px);
  mix-blend-mode: screen;
  opacity: 0.36;
}
.sd-product p {
  font-size: 14px; line-height: 1.75;
  color: var(--sd-ink-3); font-weight: 300;
  margin: 0 0 32px; max-width: 460px;
}
.sd-product a {
  margin-top: auto;
  font-size: 12px; letter-spacing: 0.18em; text-transform: uppercase;
  color: #fff; padding-bottom: 4px;
  border-bottom: 1px solid rgba(255,255,255,0.30);
  transition: border-color 0.25s ease, padding-bottom 0.25s ease;
}
.sd-product a:hover { border-bottom-color: #fff; padding-bottom: 6px; }

/* ─── Numbered list (disciplines, industries, insights) ─── */
.sd-listblock {
  padding: 120px 0;
  border-bottom: 1px solid var(--sd-line);
}
.sd-listblock .sd-h2 {
  font-size: clamp(28px, 4.5vw, 52px);
  margin: 32px 0 64px;
  max-width: 720px;
}
.sd-numbered-list { list-style: none; padding: 0; margin: 0; }
.sd-numbered-list > li {
  display: grid; grid-template-columns: 56px 1fr auto;
  gap: 24px; align-items: center;
  padding: 28px 0;
  border-top: 1px solid var(--sd-line);
  transition: padding-left 0.35s ease;
}
.sd-numbered-list > li:last-child { border-bottom: 1px solid var(--sd-line); }
.sd-numbered-list > li:hover { padding-left: 12px; }
.sd-numbered-list .num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px; letter-spacing: 0.18em;
  color: var(--sd-ink-4);
}
.sd-numbered-list .title {
  font-size: 17px; font-weight: 500;
  color: #fff; letter-spacing: -0.005em;
  margin: 0;
}
.sd-numbered-list .sub {
  font-size: 13px; color: var(--sd-ink-3);
  font-weight: 300; margin-top: 6px; line-height: 1.6;
  max-width: 720px;
}
.sd-numbered-list .arrow {
  font-size: 16px; color: var(--sd-ink-4);
  transition: color 0.25s ease, transform 0.25s ease;
}
.sd-numbered-list > li:hover .arrow {
  color: #fff; transform: translate(4px, -4px);
}
@media (min-width: 768px) {
  .sd-numbered-list > li {
    grid-template-columns: 88px 1fr 1fr auto;
    gap: 48px;
  }
  .sd-numbered-list .title { font-size: 22px; }
  .sd-numbered-list .sub { margin-top: 0; }
}

/* ─── Industries — typographic pair grid (two compact pairs across) ─── */
.sd-pair-grid {
  display: grid; grid-template-columns: 1fr; gap: 56px;
  margin-top: 32px;
}
@media (min-width: 768px) {
  .sd-pair-grid { grid-template-columns: 1fr 1fr; gap: 64px 96px; }
}
.sd-pair {
  display: grid; grid-template-columns: 64px 1fr; gap: 20px;
  align-items: start; position: relative;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.10);
}
.sd-pair .pair-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 34px; font-weight: 400; line-height: 1;
  color: var(--sd-ink-4);
}
.sd-pair h3 {
  font-size: 22px; font-weight: 500; color: #fff;
  letter-spacing: -0.01em; margin: 0 0 10px; line-height: 1.2;
}
@media (min-width: 768px) {
  .sd-pair h3 { font-size: 26px; }
}
.sd-pair .pair-tags {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px; letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--sd-ink-3); font-weight: 400;
  margin: 0;
}

/* ─── Insights — editorial entries with meta column ─── */
.sd-editorial { display: flex; flex-direction: column; margin-top: 32px; }
.sd-editorial-item {
  display: grid; grid-template-columns: 1fr;
  gap: 12px; padding: 40px 0;
  border-top: 1px solid var(--sd-line);
  text-decoration: none; color: inherit;
  transition: padding-left 0.35s ease, background 0.35s ease;
}
.sd-editorial-item:last-child { border-bottom: 1px solid var(--sd-line); }
.sd-editorial-item:hover { padding-left: 12px; }
@media (min-width: 900px) {
  .sd-editorial-item {
    grid-template-columns: 220px 1fr auto;
    gap: 56px; align-items: baseline;
    padding: 48px 0;
  }
}
.sd-editorial-meta {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--sd-ink-3); margin: 0;
}
.sd-editorial-title {
  font-size: 21px; font-weight: 500; color: #fff;
  letter-spacing: -0.005em; line-height: 1.3;
  margin: 0; max-width: 720px;
}
@media (min-width: 900px) {
  .sd-editorial-title { font-size: 26px; }
}
.sd-editorial-arrow {
  font-size: 16px; color: var(--sd-ink-4);
  transition: color 0.25s ease, transform 0.25s ease;
  align-self: center;
  justify-self: end;
}
.sd-editorial-item:hover .sd-editorial-arrow {
  color: #fff; transform: translate(4px, -4px);
}

/* ─── Homepage CTA ─── */
.sd-home-cta {
  padding: 120px 0;
}
.sd-home-cta .sd-h2 {
  font-size: clamp(28px, 4.5vw, 52px);
  margin: 32px 0 32px;
  max-width: 720px;
}
.sd-home-cta p {
  font-size: 14.5px; line-height: 1.75;
  color: var(--sd-ink-3); font-weight: 300;
  max-width: 560px; margin: 0 0 40px;
}

/* ─── Subtle reveal on scroll ─── */
.sd-reveal {
  opacity: 0; transform: translateY(16px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.sd-reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ─── Card (corner-dotted) ─── */
.sd-card { position: relative; padding: 24px 20px;
           background:
             linear-gradient(135deg, rgba(255,255,255,0.075), rgba(255,255,255,0.018));
           border: 1px solid rgba(255,255,255,0.07);
           backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
           transition: background 0.25s ease, border-color 0.25s ease, transform 0.25s ease; }
.sd-card:hover { background: rgba(217,217,217,0.10); border-color: rgba(255,255,255,0.18); transform: translateY(-3px); }
.sd-card::before, .sd-card::after { content: ''; position: absolute; width: 6px; height: 6px; background: #ffffff; }
.sd-card::before { top: -3px; right: -3px; }
.sd-card::after  { bottom: -3px; left: -3px; }
.sd-card:nth-child(3n+2) {
  background:
    linear-gradient(180deg, rgba(230,233,237,0.09), rgba(230,233,237,0.018));
}
.sd-card:nth-child(3n+2)::before { right: auto; left: -3px; }
.sd-card:nth-child(3n+2)::after { left: auto; right: -3px; }
.sd-card:nth-child(3n) {
  border-style: dashed;
  background:
    radial-gradient(circle at 85% 18%, rgba(255,255,255,0.10), transparent 30%),
    rgba(217,217,217,0.045);
}

/* ─── Page hero ─── */
.sd-page-hero { padding: 160px 0 96px; border-bottom: 1px solid var(--sd-line); position: relative; overflow: hidden; }
.sd-page-hero .sd-eyebrow { margin-bottom: 32px; }
.sd-page-hero .lede { font-size: 15px; line-height: 1.7; color: var(--sd-ink-2); max-width: 680px; margin-top: 32px; font-weight: 300; }
@media (min-width: 768px) { .sd-page-hero { padding: 200px 0 120px; } }

/* ─── Generic section ─── */
.sd-section { padding: 80px 0; position: relative; }
.sd-section + .sd-section { border-top: 1px solid var(--sd-line); }
.sd-section-h { margin-bottom: 48px; }
@media (min-width: 768px) { .sd-section { padding: 120px 0; } .sd-section-h { margin-bottom: 64px; } }

/* ─── Grid + list utilities ─── */
.sd-grid { display: grid; gap: 16px; }
@media (min-width: 768px) { .sd-grid { gap: 24px; } }
.sd-grid-2 { grid-template-columns: 1fr; }
.sd-grid-3 { grid-template-columns: 1fr; }
.sd-grid-4 { grid-template-columns: 1fr; }
@media (min-width: 768px) {
  .sd-grid-2 { grid-template-columns: repeat(2, 1fr); }
  .sd-grid-3 { grid-template-columns: repeat(2, 1fr); }
  .sd-grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .sd-grid-3 { grid-template-columns: repeat(3, 1fr); }
  .sd-grid-4 { grid-template-columns: repeat(4, 1fr); }
}

.sd-row {
  position: relative;
  display: grid; grid-template-columns: 40px 1fr auto; gap: 20px;
  padding: 24px 0; border-top: 1px solid rgba(255,255,255,0.05);
  align-items: center; transition: padding-left 0.3s ease, background 0.3s ease;
}
.sd-row::before {
  content: '';
  position: absolute;
  left: 0;
  top: 18px;
  bottom: 18px;
  width: 2px;
  background: rgba(255,255,255,0);
  transition: background 0.25s ease;
}
.sd-row:first-child { border-top: 0; }
.sd-row .num { font-size: 13px; color: var(--sd-ink-4); font-family: 'JetBrains Mono', monospace; }
.sd-row .title { font-size: 18px; font-weight: 500; color: #fff; }
.sd-row .sub { font-size: 13px; color: var(--sd-ink-3); margin-top: 4px; }
.sd-row .arrow { color: var(--sd-ink-3); transition: color 0.25s ease, transform 0.25s ease; }
.sd-row:hover { padding-left: 12px; background: linear-gradient(90deg, rgba(255,255,255,0.045), transparent 70%); }
.sd-row:hover::before { background: rgba(255,255,255,0.74); }
.sd-row:hover .arrow { color: #fff; transform: translate(4px, -4px); }

/* Product exhibit blocks */
.sd-product-exhibit {
  padding: 96px 0 112px;
  border-bottom: 1px solid var(--sd-line);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.018), rgba(255,255,255,0));
}
.sd-product-exhibit--tight { padding-top: 56px; }
.sd-exhibit-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 34px;
  align-items: center;
}
@media (min-width: 1024px) {
  .sd-exhibit-grid { grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.25fr); gap: 72px; }
  .sd-exhibit-grid.is-reversed { grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.95fr); }
  .sd-exhibit-grid.is-reversed .sd-exhibit-copy { order: 2; }
}
.sd-exhibit-copy { max-width: 560px; }
.sd-exhibit-kicker {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--sd-ink-4);
  margin: 0 0 22px;
}
.sd-exhibit-copy h2,
.sd-exhibit-copy h3 {
  margin: 0 0 24px;
  color: #fff;
  font-size: clamp(34px, 5.8vw, 72px);
  line-height: 0.98;
  letter-spacing: -0.02em;
  font-weight: 500;
}
.sd-exhibit-copy p {
  margin: 0 0 28px;
  color: var(--sd-ink-3);
  font-size: 14px;
  line-height: 1.75;
  font-weight: 300;
}
.sd-exhibit-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 32px;
  padding: 0;
  list-style: none;
}
.sd-exhibit-tags li {
  padding: 7px 10px;
  border: 1px solid rgba(255,255,255,0.12);
  color: var(--sd-ink-2);
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}
.sd-exhibit-media {
  position: relative;
  min-height: 310px;
  border: 1px solid rgba(255,255,255,0.11);
  background: #030405;
  overflow: hidden;
  box-shadow: 0 32px 80px rgba(0,0,0,0.45);
}
.sd-exhibit-media::before,
.sd-exhibit-media::after {
  content: '';
  position: absolute;
  width: 8px;
  height: 8px;
  background: #fff;
  z-index: 3;
}
.sd-exhibit-media::before { top: -1px; right: -1px; }
.sd-exhibit-media::after { bottom: -1px; left: -1px; }
.sd-exhibit-media img {
  width: 100%;
  height: 100%;
  min-height: 310px;
  object-fit: cover;
  filter: grayscale(0.18) contrast(1.1) saturate(0.78);
}
.sd-exhibit-media .sd-interface {
  position: absolute;
  left: 24px;
  right: 24px;
  bottom: 22px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  padding: 14px;
  border: 1px solid rgba(255,255,255,0.13);
  background: rgba(0,0,1,0.72);
  backdrop-filter: blur(14px);
}
@media (min-width: 700px) {
  .sd-exhibit-media .sd-interface { grid-template-columns: 1.1fr 0.9fr; }
}
.sd-interface-panel {
  min-height: 78px;
  padding: 12px;
  border: 1px solid rgba(255,255,255,0.10);
  background:
    repeating-linear-gradient(90deg, rgba(255,255,255,0.04) 0 1px, transparent 1px 22px),
    repeating-linear-gradient(0deg, rgba(255,255,255,0.035) 0 1px, transparent 1px 22px),
    rgba(255,255,255,0.035);
}
.sd-interface-line {
  height: 1px;
  margin: 11px 0;
  background: linear-gradient(90deg, rgba(255,255,255,0.76), rgba(255,255,255,0.06));
}
.sd-interface-stat {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  color: var(--sd-ink-2);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.sd-interface-stat + .sd-interface-stat { margin-top: 10px; }

/* ─── Footer console (matching homepage) ─── */
.sd-footer { background: var(--sd-bg-elev); margin-top: 80px; padding-top: 0; position: relative; z-index: 20; }
@media (min-width: 1024px) { .sd-footer { margin-top: 128px; } }
.sd-footer-frame { max-width: 1340px; margin: 0 auto; padding: 0 24px; }
@media (min-width: 768px) { .sd-footer-frame { padding: 0 48px; } }
@media (min-width: 1024px) { .sd-footer-frame { padding: 0; } .sd-footer { border-top: 1px solid var(--sd-divider); border-bottom: 1px solid var(--sd-divider); } }
.sd-footer-console {
  position: relative; display: flex; flex-direction: column;
  border: 1px solid var(--sd-divider); min-height: auto;
}
@media (min-width: 1024px) {
  .sd-footer-console { display: grid; grid-template-columns: 1fr auto 1fr; min-height: 400px; border: 0; max-width: 1340px; margin: 0 auto; }
}
.sd-footer-dot { position: absolute; width: 5px; height: 5px; background: white; z-index: 10; }

.sd-footer-left, .sd-footer-right {
  position: relative; display: flex; flex-direction: column;
}
@media (min-width: 1024px) {
  .sd-footer-left, .sd-footer-right { border-left: 1px solid var(--sd-divider); border-right: 1px solid var(--sd-divider); }
}
.sd-footer-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  padding: 16px 16px; gap: 24px;
}
@media (min-width: 768px) { .sd-footer-grid { padding: 32px 40px; gap: 32px; } }
@media (min-width: 1024px) { .sd-footer-grid { padding: 24px 32px 64px; gap: 32px; flex-grow: 1; border-bottom: 1px solid var(--sd-divider); } }
.sd-footer-grid h4 { color: #fff; font-size: 18px; font-weight: 400; margin: 0 0 12px; letter-spacing: -0.01em; }
@media (min-width: 1024px) { .sd-footer-grid h4 { font-size: 20px; } }
.sd-footer-grid ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
@media (min-width: 1024px) { .sd-footer-grid ul { gap: 14px; } }
.sd-footer-grid a { font-size: 12px; color: rgba(230,233,237,0.8); font-weight: 300; transition: color 0.25s ease; }
@media (min-width: 1024px) { .sd-footer-grid a { font-size: 14px; } }
.sd-footer-grid a:hover { color: #fff; }

/* Center logo (desktop only) */
.sd-footer-center {
  display: none; align-items: center; justify-content: center;
  padding: 24px 64px;
}
@media (min-width: 1024px) { .sd-footer-center { display: flex; } }
.sd-footer-center img { width: 240px; height: auto; }

/* Mobile top block: logo + location + socials */
.sd-footer-mob {
  display: flex; flex-direction: column; align-items: center; gap: 16px;
  padding: 20px 24px; border-bottom: 1px solid var(--sd-divider);
}
@media (min-width: 1024px) { .sd-footer-mob { display: none; } }
.sd-footer-mob img { width: 200px; height: auto; }
.sd-footer-mob .loc { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--sd-ink-2); }
.sd-footer-mob .socials { display: flex; align-items: center; gap: 24px; color: rgba(230,233,237,0.6); margin-top: 8px; }
.sd-footer-mob .socials a:hover { color: #fff; }

/* Desktop bottom-left: location + socials */
.sd-footer-locsoc { display: none; flex-direction: column; gap: 24px; padding: 24px 32px; position: relative; }
@media (min-width: 1024px) { .sd-footer-locsoc { display: flex; } }
.sd-footer-locsoc .loc { display: flex; align-items: center; gap: 8px; font-size: 16px; color: var(--sd-ink-2); }
.sd-footer-locsoc .socials { display: flex; align-items: center; gap: 20px; color: rgba(230,233,237,0.6); padding-top: 4px; }
.sd-footer-locsoc .socials a:hover { color: #fff; }

/* Legal bar */
.sd-footer-legal {
  max-width: 1340px; margin: 0 auto;
  padding: 40px 24px 64px;
  display: flex; flex-direction: column; align-items: center; gap: 24px;
}
@media (min-width: 768px) { .sd-footer-legal { padding: 40px 48px 64px; } }
@media (min-width: 1024px) { .sd-footer-legal { flex-direction: row; align-items: center; justify-content: space-between; gap: 32px; padding: 32px 0 64px; } }
.sd-footer-legal .copy { font-size: 12.5px; color: var(--sd-ink-2); font-weight: 300; text-align: center; }
.sd-footer-legal .links { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 8px 20px; max-width: 90%; text-align: center; }
.sd-footer-legal .links a { font-size: 12px; color: var(--sd-ink-2); font-weight: 300; transition: color 0.25s ease; }
.sd-footer-legal .links a:hover { color: #fff; }

/* ─── Forms ─── */
.sd-form { display: flex; flex-direction: column; gap: 24px; }
.sd-form-grid { display: grid; grid-template-columns: 1fr; gap: 24px; }
@media (min-width: 640px) { .sd-form-grid { grid-template-columns: 1fr 1fr; } }

.sd-field { display: flex; flex-direction: column; gap: 8px; position: relative; }
.sd-field label.sd-label {
  font-size: 11px; font-weight: 500; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--sd-ink-3);
}
.sd-field label.sd-label .req { color: rgba(230,233,237,0.45); margin-left: 4px; font-weight: 400; }

.sd-input, .sd-select, .sd-textarea {
  width: 100%;
  padding: 12px 14px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.10);
  color: #fff; font-size: 14px; font-family: inherit; line-height: 1.5;
  outline: 0; transition: border-color 0.2s ease, background 0.2s ease;
  appearance: none; -webkit-appearance: none;
}
.sd-input::placeholder, .sd-textarea::placeholder { color: rgba(230,233,237,0.30); }
.sd-input:focus, .sd-select:focus, .sd-textarea:focus {
  border-color: rgba(230,233,237,0.40);
  background: rgba(255,255,255,0.06);
}
.sd-textarea { resize: vertical; min-height: 140px; }

/* Custom dropdown arrow */
.sd-select-wrap { position: relative; }
.sd-select { padding-right: 40px; cursor: pointer; }
.sd-select-wrap::after {
  content: ''; position: absolute; right: 16px; top: 50%; margin-top: -3px;
  width: 8px; height: 8px;
  border-right: 1px solid rgba(230,233,237,0.6);
  border-bottom: 1px solid rgba(230,233,237,0.6);
  transform: rotate(45deg); pointer-events: none;
}

/* Honeypot — visually hidden but accessible */
.sd-honeypot {
  position: absolute !important;
  width: 1px; height: 1px; margin: -1px; padding: 0;
  border: 0; overflow: hidden; clip: rect(0 0 0 0);
}

/* Notice + actions row */
.sd-form-actions {
  display: flex; flex-direction: column-reverse; align-items: stretch; gap: 16px; margin-top: 8px;
}
@media (min-width: 768px) {
  .sd-form-actions { flex-direction: row; align-items: center; justify-content: space-between; gap: 32px; }
}
.sd-form-notice {
  font-size: 12px; line-height: 1.6; color: var(--sd-ink-4); font-weight: 300; margin: 0; max-width: 460px;
}
.sd-form-notice a { color: rgba(230,233,237,0.7); text-decoration: underline; text-underline-offset: 2px; }
.sd-form-notice a:hover { color: #fff; }

/* reCAPTCHA wrapper — dark theme tweaks */
.sd-recaptcha { transform-origin: 0 0; }
.sd-recaptcha .grecaptcha-badge { visibility: hidden; }

/* Status messages */
.sd-form-status { font-size: 14px; padding: 14px 16px; margin: 0; border: 1px solid; }
.sd-form-status.sd-form-status--success { color: #9ae6b4; background: rgba(72,187,120,0.08); border-color: rgba(72,187,120,0.25); }
.sd-form-status.sd-form-status--error   { color: #fbb6b6; background: rgba(229,62,62,0.08);  border-color: rgba(229,62,62,0.25); }

/* Submit button uses .sd-btn-primary — give it a button-y feel */
button.sd-btn-primary { border: 1px solid #E6E9ED; cursor: pointer; font-family: inherit; }
button.sd-btn-primary:disabled { opacity: 0.55; cursor: not-allowed; }

/* ─── Cookie banner ─── */
.sd-cookie {
  position: fixed; left: 16px; right: 16px; bottom: 16px; z-index: 100;
  background: rgba(10,11,14,0.96); backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.10); padding: 16px 18px;
  display: none; flex-direction: column; gap: 12px;
  font-size: 13px; color: var(--sd-ink-2);
}
.sd-cookie.is-visible { display: flex; }
@media (min-width: 768px) {
  .sd-cookie { left: 24px; right: 24px; max-width: 720px; padding: 18px 22px; flex-direction: row; align-items: center; gap: 24px; }
}
.sd-cookie p { margin: 0; font-weight: 300; line-height: 1.6; flex: 1; }
.sd-cookie a { color: #fff; text-decoration: underline; text-underline-offset: 2px; }
.sd-cookie button {
  flex-shrink: 0; padding: 8px 18px;
  background: #E6E9ED; color: #010101; border: 1px solid #E6E9ED;
  font-family: inherit; font-size: 13px; font-weight: 500; cursor: pointer;
  transition: background 0.2s ease;
}
.sd-cookie button:hover { background: #fff; }