/* Master Craftsmen Inc. Design System — shared tokens & components
   Extracted from nevadawindowsanddoors.com (real CSS), 2026-05-07
   Type: Oswald (display) + Open Sans (body) — both already free Google Fonts */

@import url('https://fonts.googleapis.com/css2?family=Oswald:wght@400;500;600;700&family=Open+Sans:wght@400;500;600;700&display=swap');

:root {
  /* color */
  --brand: #0095eb;
  --brand-deep: #0082c8;
  --brand-soft: #7ec0ec;
  --brand-pale: #d5e5ee;
  --accent-burgundy: #97002e;
  --accent-deep: #5d001c;
  --accent-teal: #68a6a6;
  --ink: #191919;
  --ink-soft: rgba(25,25,25,0.8);
  --ink-muted: rgba(25,25,25,0.7);
  --ink-quiet: rgba(25,25,25,0.3);
  --ink-faint: rgba(25,25,25,0.12);
  --bg: #f7f7f7;
  --bg-pure: #ffffff;
  --ink-deep: #0d2840;
  --border: #dbdddf;
  --text-on-dark: #ffffff;
  --text-on-dark-muted: rgba(255,255,255,0.78);
  --text-on-dark-quiet: rgba(255,255,255,0.5);

  /* type */
  --font-display: 'Oswald', 'Helvetica Neue', Arial, sans-serif;
  --font-body: 'Open Sans', 'Helvetica Neue', Arial, sans-serif;
  --font-eyebrow: 'Oswald', 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

  /* layout */
  --container: 1240px;
  --container-narrow: 880px;
  --gutter: 32px;
  --section: 120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
a { color: var(--brand); text-decoration: none; }

/* TYPOGRAPHY ----------------------------------------------- */
.display {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(56px, 8.5vw, 112px);
  line-height: 1;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  color: var(--ink);
  margin: 0;
}
.h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(40px, 5.4vw, 72px);
  line-height: 1.05;
  letter-spacing: 0.005em;
  text-transform: uppercase;
  color: var(--ink);
  margin: 0 0 0.4em;
}
.h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(28px, 3.6vw, 48px);
  line-height: 1.1;
  letter-spacing: 0.005em;
  text-transform: uppercase;
  color: var(--ink);
  margin: 0 0 0.5em;
}
.h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 24px;
  line-height: 1.2;
  text-transform: uppercase;
  letter-spacing: 0.01em;
  color: var(--ink);
  margin: 0 0 12px;
}
.eyebrow {
  font-family: var(--font-eyebrow);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--brand);
  margin: 0 0 16px;
  display: inline-block;
}
.eyebrow.on-dark { color: var(--brand-soft); }
.eyebrow.burgundy { color: var(--accent-burgundy); }
.lede {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: clamp(18px, 1.45vw, 22px);
  line-height: 1.55;
  color: var(--ink-soft);
  margin: 0 0 32px;
  max-width: 56ch;
}
p { margin: 0 0 1.1em; max-width: 72ch; }

/* BUTTONS -------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 32px;
  border: 0;
  background: var(--brand);
  color: #fff;
  border-radius: 4px;
  font-family: var(--font-eyebrow);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  transition: background 160ms ease, transform 160ms ease;
  cursor: pointer;
  line-height: 1;
}
.btn:hover { background: var(--brand-deep); transform: translateY(-1px); }
.btn.secondary {
  background: transparent;
  color: var(--brand);
  border: 1.5px solid var(--brand);
}
.btn.secondary:hover { background: var(--brand); color: #fff; }
.btn.on-dark {
  background: #fff;
  color: var(--ink);
}
.btn.on-dark:hover { background: var(--brand-soft); color: var(--ink-deep); }
.btn.burgundy {
  background: var(--accent-burgundy);
  color: #fff;
}
.btn.burgundy:hover { background: var(--accent-deep); }
.btn.outline-on-dark {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255,255,255,0.4);
}
.btn.outline-on-dark:hover { background: #fff; color: var(--ink); border-color: #fff; }

.btn-arrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-eyebrow);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--brand);
  text-decoration: none;
  transition: color 160ms ease;
  border-bottom: 1.5px solid currentColor;
  padding-bottom: 4px;
}
.btn-arrow .arrow {
  display: inline-flex;
  align-items: center;
  transition: transform 200ms ease;
}
.btn-arrow .arrow svg {
  width: 12px;
  height: auto;
  display: block;
  fill: currentColor;
}
.btn-arrow:hover { color: var(--brand-deep); }
.btn-arrow:hover .arrow { transform: translateX(5px); }
.btn-arrow.on-dark { color: var(--brand-soft); }
.btn-arrow.on-dark:hover { color: #fff; }
.btn .arrow svg { width: 11px; height: auto; fill: currentColor; display: block; }
.btn .arrow { display: inline-flex; align-items: center; transition: transform 200ms ease; }
.btn:hover .arrow { transform: translateX(4px); }

/* CHIP ----------------------------------------------------- */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: var(--brand-pale);
  color: var(--ink-deep);
  font-family: var(--font-eyebrow);
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-radius: 999px;
}
.chip.burgundy {
  background: rgba(151,0,46,0.1);
  color: var(--accent-deep);
}
.chip.outline {
  background: transparent;
  border: 1px solid var(--ink-quiet);
  color: var(--ink-soft);
}

/* LAYOUT --------------------------------------------------- */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.container-narrow {
  max-width: var(--container-narrow);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.section { padding: var(--section) 0; }
.section-sm { padding: 64px 0; }

/* NAVIGATION ----------------------------------------------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 32px;
  background: transparent;
  transition: background 220ms ease, box-shadow 220ms ease;
}
.nav.scrolled {
  background: var(--bg-pure);
  box-shadow: 0 1px 0 var(--ink-faint);
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: inherit;
}
.nav-brand img {
  height: 56px;
  width: auto;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav-links a {
  font-family: var(--font-eyebrow);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink);
  text-decoration: none;
  transition: color 140ms ease;
}
.nav-links a:hover { color: var(--brand); }
.nav.over-dark .nav-links a {
  color: #fff;
}
.nav.over-dark.scrolled .nav-links a {
  color: var(--ink);
}
.nav-cta {
  padding: 12px 22px;
  font-size: 11px;
  letter-spacing: 0.14em;
}

/* CARDS ---------------------------------------------------- */
.card {
  background: var(--bg-pure);
  border: 1px solid var(--ink-faint);
  border-radius: 8px;
  overflow: hidden;
  transition: transform 220ms ease, box-shadow 220ms ease, border-color 220ms ease;
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 36px -18px rgba(13,40,64,0.18);
  border-color: var(--brand-soft);
}
.card .img {
  aspect-ratio: 16/10;
  background-size: cover;
  background-position: center;
  background-color: var(--brand-pale);
}
.card .body { padding: 28px 28px 32px; }

/* DARK SECTION -------------------------------------------- */
.dark {
  background: var(--ink-deep);
  color: #fff;
}
.dark .h1, .dark .h2, .dark .h3, .dark .display { color: #fff; }
.dark .lede { color: var(--text-on-dark-muted); }
.dark p { color: var(--text-on-dark-muted); }

/* FOOTER --------------------------------------------------- */
.footer {
  background: var(--ink-deep);
  color: #fff;
  padding: 96px 0 40px;
}
.footer .footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 56px;
  margin-bottom: 64px;
}
.footer h4 {
  font-family: var(--font-eyebrow);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--brand-soft);
  margin: 0 0 20px;
  font-weight: 700;
}
.footer ul { list-style: none; padding: 0; margin: 0; }
.footer ul li { margin-bottom: 12px; }
.footer ul a {
  color: var(--text-on-dark-muted);
  font-size: 14px;
  font-weight: 400;
  transition: color 140ms;
}
.footer ul a:hover { color: #fff; }
.footer .footer-brand img { height: 90px; margin-bottom: 20px; width: auto; }
.footer .footer-brand p {
  color: var(--text-on-dark-muted);
  font-size: 14px;
  max-width: 320px;
  line-height: 1.55;
}
.footer-bottom {
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.12);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--text-on-dark-quiet);
}
.footer-bottom .socials { display: flex; gap: 12px; }
.footer-bottom .socials a {
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: 999px;
  color: var(--text-on-dark-muted);
  transition: all 160ms ease;
}
.footer-bottom .socials a:hover {
  background: var(--brand);
  border-color: var(--brand);
  color: #fff;
}

/* HERO ----------------------------------------------------- */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: flex-end;
  padding: 160px 0 90px;
  color: #fff;
  overflow: hidden;
  background: var(--ink-deep);
}
.hero .bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  z-index: 0;
}
.hero .scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(13,40,64,0.35) 0%, rgba(13,40,64,0.15) 35%, rgba(13,40,64,0.85) 100%);
  z-index: 1;
}
.hero .container { position: relative; z-index: 2; }
.hero .display { color: #fff; max-width: 16ch; }
.hero .lede { color: rgba(255,255,255,0.92); max-width: 50ch; }

/* ICON HELPER --------------------------------------------- */
.mc-icon {
  display: inline-block;
  width: 24px;
  height: 24px;
  fill: currentColor;
  vertical-align: middle;
  flex-shrink: 0;
}
.mc-icon.sm { width: 16px; height: 16px; }
.mc-icon.lg { width: 48px; height: 48px; }
.mc-icon.xs { width: 14px; height: 14px; }

/* MOBILE-NAV TOGGLE -------------------------------------- */
.nav-toggle {
  display: none;
  background: transparent;
  border: 0;
  padding: 8px;
  margin-left: 8px;
  color: inherit;
  cursor: pointer;
  border-radius: 6px;
}
.nav-toggle .mc-icon { width: 22px; height: 22px; }
.nav.over-dark .nav-toggle { color: #fff; }
.nav.scrolled .nav-toggle { color: var(--ink); }

/* RESPONSIVE ---------------------------------------------- */
@media (max-width: 880px) {
  .nav-links a { display: none; }
  .nav-links a.btn,
  .nav-links a.nav-cta { display: inline-flex; }
  .nav-toggle { display: inline-flex; }
  .footer .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .section { padding: 80px 0; }
}

/* ==================== SIGNATURE PATTERNS ==================== */
/* MC-only extensions to the canonical section catalog.
   Per brand-spec.md → "Signature patterns (MC-only)". */

/* PRODUCT-LINE CARD -------------------------------------- */
.sig-product-line-grid {
  padding: 96px 0;
  background: var(--bg-pure);
}
.sig-product-line-grid .head {
  text-align: center;
  margin-bottom: 56px;
}
.sig-product-line-grid .head .h2 { margin-bottom: 12px; }
.sig-product-line-grid .head .lede { margin-left: auto; margin-right: auto; }
.sig-product-line-grid .grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.sig-product-line-card {
  position: relative;
  background: var(--bg-pure);
  border: 1px solid var(--ink-faint);
  border-radius: 8px;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  transition: transform 220ms ease, box-shadow 220ms ease, border-color 220ms ease;
}
.sig-product-line-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 36px 72px -36px rgba(0,149,235,0.30);
  border-color: var(--brand);
}
.sig-product-line-card .img {
  aspect-ratio: 3/2;
  background-size: cover;
  background-position: center;
  position: relative;
}
.sig-product-line-card .partner-overlay {
  position: absolute;
  top: 24px;
  left: 24px;
  background: rgba(255,255,255,0.94);
  backdrop-filter: blur(6px);
  padding: 12px 18px;
  border-radius: 4px;
  height: 56px;
  display: inline-flex;
  align-items: center;
}
.sig-product-line-card .partner-overlay img {
  max-height: 32px;
  width: auto;
}
.sig-product-line-card .body {
  padding: 32px 32px 36px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.sig-product-line-card .body .h3 {
  font-size: 28px;
  margin-bottom: 12px;
}
.sig-product-line-card .body p {
  font-size: 15px;
  color: var(--ink-soft);
  line-height: 1.6;
  margin: 0 0 24px;
  flex: 1;
}

/* FREE-QUOTE BAND ---------------------------------------- */
.sig-free-quote-band {
  background: var(--ink-deep);
  color: #fff;
  padding: 88px 0;
  position: relative;
  overflow: hidden;
}
.sig-free-quote-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(0,149,235,0.16) 0%, transparent 60%),
    linear-gradient(225deg, rgba(0,149,235,0.10) 0%, transparent 60%);
  pointer-events: none;
}
.sig-free-quote-band .container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 80px;
  align-items: center;
}
.sig-free-quote-band .eyebrow {
  color: var(--brand-soft);
  display: block;
  margin-bottom: 16px;
}
.sig-free-quote-band .h2 {
  color: #fff;
  margin-bottom: 16px;
  text-wrap: balance;
}
.sig-free-quote-band .lede {
  color: var(--text-on-dark-muted);
  margin-bottom: 0;
}
.sig-free-quote-band .actions {
  display: flex;
  flex-direction: column;
  gap: 14px;
  align-items: stretch;
}
.sig-free-quote-band .actions .btn {
  width: 100%;
  justify-content: center;
}
.sig-free-quote-band .showroom-line {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid rgba(255,255,255,0.18);
  font-family: var(--font-eyebrow);
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-on-dark-muted);
  text-align: center;
}

/* CERTIFICATION STRIP ------------------------------------ */
.sig-certification-strip {
  padding: 80px 0;
  background: var(--bg-pure);
  border-top: 1px solid var(--ink-faint);
  border-bottom: 1px solid var(--ink-faint);
}
.sig-certification-strip .head {
  text-align: center;
  margin-bottom: 48px;
}
.sig-certification-strip .head .eyebrow { display: block; }
.sig-certification-strip .grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 32px 48px;
  align-items: center;
  justify-items: center;
}
.sig-certification-strip .mark {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 64px;
  width: 100%;
  filter: grayscale(0.55);
  opacity: 0.85;
  transition: filter 200ms ease, opacity 200ms ease;
}
.sig-certification-strip .mark:hover {
  filter: grayscale(0);
  opacity: 1;
}
.sig-certification-strip .mark img,
.sig-certification-strip .mark svg {
  max-height: 100%;
  max-width: 100%;
  width: auto;
  object-fit: contain;
}
.sig-certification-strip .mark.text-mark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--ink-soft);
  filter: none;
  opacity: 0.7;
}

/* SHOWROOM LOCATOR --------------------------------------- */
.sig-showroom-locator {
  padding: 96px 0;
  background: var(--bg);
}
.sig-showroom-locator .container {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 64px;
  align-items: stretch;
}
.sig-showroom-locator .photo {
  aspect-ratio: 4/3;
  background-size: cover;
  background-position: center;
  border-radius: 8px;
  background-color: var(--brand-pale);
}
.sig-showroom-locator .info {
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.sig-showroom-locator .info .h2 {
  margin-bottom: 24px;
}
.sig-showroom-locator .info .address {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 22px;
  line-height: 1.4;
  color: var(--ink);
  margin: 0 0 24px;
}
.sig-showroom-locator .info .phone {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 28px;
  color: var(--brand);
  margin: 0 0 32px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}
.sig-showroom-locator .info .phone:hover { color: var(--brand-deep); }
.sig-showroom-locator .hours {
  border-top: 1px solid var(--ink-faint);
  padding-top: 24px;
}
.sig-showroom-locator .hours h4 {
  font-family: var(--font-eyebrow);
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-quiet);
  margin: 0 0 16px;
}
.sig-showroom-locator .hours .row {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  font-size: 14px;
  color: var(--ink-soft);
  border-bottom: 1px dashed var(--ink-faint);
}
.sig-showroom-locator .hours .row:last-child { border-bottom: 0; }
.sig-showroom-locator .hours .row .day { font-weight: 600; color: var(--ink); }

/* TRUST STRIP -------------------------------------------- */
.sig-trust-strip {
  padding: 64px 0;
  background: var(--bg-pure);
  border-top: 1px solid var(--ink-faint);
  border-bottom: 1px solid var(--ink-faint);
}
.sig-trust-strip .grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}
.sig-trust-strip .item img {
  height: 80px;
  width: auto;
  margin: 0 auto 16px;
}
.sig-trust-strip .item .label {
  font-family: var(--font-eyebrow);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink);
  margin: 0;
}

/* QUOTE CARD --------------------------------------------- */
.sig-quote-card {
  background: var(--bg-pure);
  border-left: 4px solid var(--brand);
  padding: 56px 64px;
  max-width: 800px;
  margin: 0 auto;
  position: relative;
}
.sig-quote-card::before {
  content: "\201C";
  position: absolute;
  top: -28px;
  left: 36px;
  font-family: Georgia, serif;
  font-size: 140px;
  line-height: 1;
  color: var(--brand-soft);
  font-style: normal;
  font-weight: 400;
}
.sig-quote-card .quote {
  font-family: var(--font-body);
  font-weight: 500;
  font-style: italic;
  font-size: clamp(22px, 2.2vw, 28px);
  line-height: 1.45;
  color: var(--ink);
  margin: 0 0 32px;
  max-width: 36ch;
}
.sig-quote-card .attribution {
  display: flex;
  align-items: center;
  gap: 16px;
}
.sig-quote-card .attribution .stars {
  color: #ffb400;
  font-size: 18px;
  letter-spacing: 0.04em;
}
.sig-quote-card .attribution .name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ink);
  line-height: 1.2;
  margin: 0;
}
.sig-quote-card .attribution .title {
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--ink-muted);
  margin: 4px 0 0;
}

/* INSTALLER PROFILE -------------------------------------- */
.sig-installer-profile {
  padding: 96px 0;
  background: var(--bg);
}
.sig-installer-profile .container {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 64px;
  align-items: center;
}
.sig-installer-profile .photo {
  aspect-ratio: 1;
  border-radius: 8px;
  background-size: cover;
  background-position: center;
  background-color: var(--brand-pale);
  max-width: 380px;
  width: 100%;
  justify-self: end;
}
.sig-installer-profile .info .name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 32px;
  text-transform: uppercase;
  margin: 0 0 6px;
  letter-spacing: 0.005em;
}
.sig-installer-profile .info .role {
  font-family: var(--font-eyebrow);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--brand);
  margin: 0 0 24px;
}
.sig-installer-profile .info .bio {
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink-soft);
}
.sig-installer-profile .credentials {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 24px;
}

@media (max-width: 880px) {
  .sig-product-line-grid .grid { grid-template-columns: 1fr; gap: 24px; }
  .sig-free-quote-band .container { grid-template-columns: 1fr; gap: 40px; }
  .sig-certification-strip .grid { grid-template-columns: repeat(3, 1fr); gap: 24px; }
  .sig-showroom-locator .container { grid-template-columns: 1fr; gap: 32px; }
  .sig-trust-strip .grid { grid-template-columns: 1fr 1fr; gap: 24px; }
  .sig-quote-card { padding: 40px 32px; }
  .sig-installer-profile .container { grid-template-columns: 1fr; gap: 32px; }
  .sig-installer-profile .photo { justify-self: center; }
}


/* ============ DS NAV ============ */
.ds-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border, rgba(0,0,0,0.08));
  font-family: 'Inter', system-ui, sans-serif;
}
.ds-nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 14px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.ds-nav-brand {
  font-weight: 600;
  font-size: 15px;
  color: var(--ink, #161616);
  text-decoration: none;
  letter-spacing: -0.005em;
}
.ds-nav-tabs {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 4px;
}
.ds-nav-tabs a {
  display: block;
  padding: 8px 16px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft, #3D3D3D);
  text-decoration: none;
  border-radius: 6px;
  transition: background 160ms, color 160ms;
}
.ds-nav-tabs a:hover {
  background: rgba(0,0,0,0.04);
  color: var(--ink, #161616);
}
.ds-nav-tabs a.active {
  background: var(--ink, #161616);
  color: #fff;
}