/* OT Solutions — design tokens */
:root {
  /* Light mode (default) — analytical corporate blue */
  --ink: oklch(0.20 0.06 255);          /* deep navy ink */
  --ink-2: oklch(0.36 0.07 255);
  --ink-3: oklch(0.54 0.06 255);
  --ink-4: oklch(0.72 0.04 255);
  --rule: oklch(0.86 0.02 250);
  --rule-soft: oklch(0.92 0.015 250);
  --bg: oklch(0.985 0.006 250);         /* cool near-white */
  --bg-2: oklch(0.96 0.012 250);        /* faint blue tint */
  --bg-3: oklch(0.92 0.018 250);
  --navy: oklch(0.24 0.08 258);         /* primary corporate navy */
  --navy-2: oklch(0.32 0.09 258);
  --navy-3: oklch(0.14 0.05 258);       /* near-black navy for dark sections */
  --accent: oklch(0.52 0.16 245);       /* analytical steel-blue accent */
  --accent-ink: oklch(0.42 0.14 245);
  --gold: oklch(0.72 0.13 75);          /* warm brand gold for eyebrows */
  --gold-rule: oklch(0.78 0.10 75);

  /* Type */
  --serif: 'Instrument Serif', 'Source Serif 4', Georgia, serif;
  --sans: 'Geist', ui-sans-serif, -apple-system, 'Helvetica Neue', Arial, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  /* Layout */
  --max: 1280px;
  --gutter: clamp(20px, 4vw, 56px);
}

[data-theme="dark"] {
  --ink: oklch(0.97 0.008 250);
  --ink-2: oklch(0.86 0.02 250);
  --ink-3: oklch(0.66 0.03 250);
  --ink-4: oklch(0.46 0.04 250);
  --rule: oklch(0.30 0.04 255);
  --rule-soft: oklch(0.22 0.035 255);
  --bg: oklch(0.15 0.045 258);          /* deep corporate navy */
  --bg-2: oklch(0.19 0.05 258);
  --bg-3: oklch(0.24 0.055 258);
  --navy: oklch(0.97 0.008 250);
  --navy-2: oklch(0.86 0.02 250);
  --navy-3: oklch(0.10 0.04 258);
  --gold: oklch(0.80 0.13 78);
  --gold-rule: oklch(0.72 0.11 78);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;   /* stop iOS Safari inflating text on rotate */
  text-size-adjust: 100%;
}
body { -webkit-tap-highlight-color: color-mix(in oklch, var(--accent) 20%, transparent); }

body {
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "ss01", "cv11";
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }

/* Typography */
.eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-3);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before {
  content: "";
  width: 24px;
  height: 1px;
  background: var(--ink-4);
}
.eyebrow.no-rule::before { display: none; }

/* Premium gold eyebrows across hero, sections, trust strip, and CTA */
.hero .eyebrow,
.logos .eyebrow,
.section .eyebrow,
.cta .eyebrow {
  color: var(--gold);
}
.hero .eyebrow::before,
.logos .eyebrow::before,
.section .eyebrow::before,
.cta .eyebrow::before {
  background: var(--gold-rule);
}

.display {
  font-family: var(--serif);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.02;
  color: var(--ink);
  text-wrap: pretty;
  margin: 0;
}
.display em {
  font-style: italic;
  color: var(--ink-2);
}

.h1 { font-size: clamp(48px, 7.2vw, 104px); }
.h2 { font-size: clamp(36px, 5vw, 68px); }
.h3 { font-size: clamp(24px, 2.4vw, 32px); font-family: var(--sans); font-weight: 500; letter-spacing: -0.01em; line-height: 1.2; }

.lede {
  font-size: clamp(17px, 1.4vw, 20px);
  line-height: 1.5;
  color: var(--ink-2);
  max-width: 56ch;
  text-wrap: pretty;
}

.body { color: var(--ink-2); line-height: 1.6; }

/* Layout */
.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.section {
  padding: clamp(72px, 10vw, 140px) 0;
  border-top: 1px solid var(--rule);
}
.section:first-of-type { border-top: 0; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 9px 22px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: -0.005em;
  transition: all 200ms cubic-bezier(.2,.7,.2,1);
  white-space: nowrap;
}
.btn-primary {
  background: var(--ink);
  color: var(--bg);
}
.btn-primary:hover {
  background: var(--navy);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px -8px oklch(0.24 0.06 255 / 0.4);
}
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--rule);
}
.btn-ghost:hover {
  border-color: var(--ink);
  background: var(--bg-2);
}
.btn .arrow {
  transition: transform 200ms cubic-bezier(.2,.7,.2,1);
  display: inline-block;
}
.btn:hover .arrow { transform: translateX(3px); }

/* Reveal animation */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 700ms cubic-bezier(.2,.7,.2,1), transform 700ms cubic-bezier(.2,.7,.2,1);
}
.reveal.in {
  opacity: 1;
  transform: translateY(0);
}
.reveal-stagger > * {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 600ms cubic-bezier(.2,.7,.2,1), transform 600ms cubic-bezier(.2,.7,.2,1);
}
.reveal-stagger.in > * { opacity: 1; transform: translateY(0); }
.reveal-stagger.in > *:nth-child(1) { transition-delay: 0ms; }
.reveal-stagger.in > *:nth-child(2) { transition-delay: 80ms; }
.reveal-stagger.in > *:nth-child(3) { transition-delay: 160ms; }
.reveal-stagger.in > *:nth-child(4) { transition-delay: 240ms; }
.reveal-stagger.in > *:nth-child(5) { transition-delay: 320ms; }
.reveal-stagger.in > *:nth-child(6) { transition-delay: 400ms; }

/* Placeholder image patterning */
.ph-image {
  position: relative;
  overflow: hidden;
  background: var(--bg-3);
  background-image:
    repeating-linear-gradient(
      135deg,
      transparent 0 14px,
      oklch(0 0 0 / 0.04) 14px 15px
    );
  border: 1px solid var(--rule);
}
[data-theme="dark"] .ph-image {
  background-image:
    repeating-linear-gradient(
      135deg,
      transparent 0 14px,
      oklch(1 0 0 / 0.05) 14px 15px
    );
}
.ph-image .ph-label {
  position: absolute;
  inset: auto 16px 16px 16px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--ink-3);
  background: var(--bg);
  padding: 6px 10px;
  display: inline-flex;
  align-self: flex-start;
  border: 1px solid var(--rule);
  width: fit-content;
}

/* Section themes */
.tinted-section {
  background: var(--bg-2);
}
.tinted-section + .tinted-section { border-top-color: var(--rule-soft); }

.dark-section {
  --ink: oklch(0.97 0.008 250);
  --ink-2: oklch(0.84 0.02 250);
  --ink-3: oklch(0.66 0.03 250);
  --ink-4: oklch(0.50 0.04 250);
  --rule: oklch(0.30 0.04 258);
  --rule-soft: oklch(0.24 0.035 258);
  --bg: oklch(0.16 0.05 258);
  --bg-2: oklch(0.20 0.055 258);
  --bg-3: oklch(0.25 0.06 258);
  --gold: oklch(0.80 0.13 78);
  --gold-rule: oklch(0.66 0.11 78);
  background: var(--bg);
  color: var(--ink);
  border-top: 0;
}
.dark-section + .section { border-top: 0; }

/* utilities */
.mono { font-family: var(--mono); }
.muted { color: var(--ink-3); }
.hairline { height: 1px; background: var(--rule); border: 0; margin: 0; }
.flex { display: flex; }
.grid { display: grid; }
.gap-12 { gap: 12px; }
.gap-16 { gap: 16px; }
.gap-24 { gap: 24px; }
.gap-32 { gap: 32px; }
.gap-48 { gap: 48px; }

/* ════════ Primary navigation (shared: static pages + React home) ════════ */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: border-color 200ms ease, background 200ms ease, backdrop-filter 200ms ease;
}
.nav-scrolled {
  background: color-mix(in oklch, var(--bg) 88%, transparent);
  backdrop-filter: saturate(140%) blur(12px);
  -webkit-backdrop-filter: saturate(140%) blur(12px);
  border-bottom-color: var(--rule);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  padding-bottom: 16px;
  gap: 24px;
}
.nav-brand { display: inline-flex; align-items: center; gap: 12px; color: var(--ink); }
.nav-mark { display: inline-flex; color: var(--ink); }
.nav-mark img { width: 34px; height: 34px; display: block; object-fit: contain; }
.nav-mark .logo-dark { display: none; }
[data-theme="dark"] .nav-mark .logo-light { display: none; }
[data-theme="dark"] .nav-mark .logo-dark { display: block; }
.nav-words { display: flex; flex-direction: column; line-height: 1; }
.nav-name { font-weight: 600; font-size: 15px; letter-spacing: -0.01em; }
.nav-tag {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-top: 4px;
}
.nav-links { display: flex; gap: 32px; align-items: center; }
.nav-links a {
  font-size: 14px;
  color: var(--ink-2);
  position: relative;
  padding: 4px 0;
  transition: color 200ms ease;
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 240ms cubic-bezier(.2,.7,.2,1);
}
.nav-links a:hover { color: var(--ink); }
.nav-links a:hover::after { transform: scaleX(1); }
/* Active tab: persistent accent underline marks the current page */
.nav-links a[aria-current="page"] { color: var(--ink); }
.nav-links a[aria-current="page"]::after {
  transform: scaleX(1);
  height: 2px;
  background: var(--accent);
}
.nav-cta { border-radius: 4px; }

/* Hamburger toggle button (mobile only) */
.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  margin: -6px -10px -6px 0;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  border-radius: 8px;
}
.nav-toggle-bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 240ms cubic-bezier(.2,.7,.2,1), opacity 160ms ease;
}
body.nav-open .nav-toggle-bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
body.nav-open .nav-toggle-bar:nth-child(2) { opacity: 0; }
body.nav-open .nav-toggle-bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile drawer (toggled via [hidden]) */
.nav-mobile {
  border-top: 1px solid var(--rule);
  background: var(--bg);
  padding: 4px var(--gutter) 28px;
  animation: navDrawerIn 220ms cubic-bezier(.2,.7,.2,1);
}
@keyframes navDrawerIn {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}
.nav-mobile-links { display: flex; flex-direction: column; }
.nav-mobile-links a {
  font-size: 17px;
  color: var(--ink);
  padding: 16px 2px;
  border-bottom: 1px solid var(--rule-soft);
  transition: color 160ms ease;
}
.nav-mobile-links a:active,
.nav-mobile-links a[aria-current="page"] { color: var(--accent-ink); }
/* Active tab: accent bar on the current page's row */
.nav-mobile-links a[aria-current="page"] {
  font-weight: 600;
  box-shadow: inset 3px 0 0 var(--accent);
  padding-left: 14px;
}
.nav-mobile-cta {
  margin-top: 22px;
  width: 100%;
  justify-content: center;
  border-radius: 8px;
  padding: 14px 22px;
}

@media (min-width: 761px) {
  .nav-toggle { display: none !important; }
  .nav-mobile { display: none !important; }
}

/* responsive helpers */
@media (max-width: 760px) {
  .hide-sm { display: none !important; }
  .nav-tag { display: none; }
  .nav-links { display: none !important; }
  .nav-cta { display: none !important; }
  .nav-toggle { display: inline-flex; }
  body.nav-open { overflow: hidden; }
  body.nav-open .nav { background: var(--bg); border-bottom-color: var(--rule); }
}

/* Skip link — visually hidden until focused */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  background: var(--ink);
  color: var(--bg);
  padding: 10px 16px;
  font-size: 14px;
  border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

/* ════════ Shared CTA band (home + all subpages) ════════ */
.cta {
  background: var(--navy-3);
  color: oklch(0.97 0.008 250);
  padding: clamp(80px, 10vw, 140px) 0;
  position: relative;
  overflow: hidden;
  --gold: oklch(0.82 0.13 78);
  --gold-rule: oklch(0.68 0.11 78);
}
.cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 85% 0%, oklch(0.32 0.09 245 / 0.5) 0%, transparent 55%),
    radial-gradient(ellipse at 0% 100%, oklch(0.22 0.07 258 / 0.6) 0%, transparent 60%);
  pointer-events: none;
}
.cta .wrap { position: relative; }
.cta-inner,
.cta-inner-split {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: clamp(40px, 6vw, 96px);
  align-items: end;
}
.cta-eyebrow { color: var(--gold); margin-bottom: 24px; }
.cta-eyebrow::before { background: var(--gold-rule); }
.cta-title {
  font-family: var(--serif);
  font-size: clamp(48px, 6vw, 88px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  margin: 0 0 24px;
  font-weight: 400;
  color: inherit;
  text-wrap: pretty;
}
.cta-title em { font-style: italic; color: var(--accent); }
.cta-lede {
  font-size: clamp(17px, 1.3vw, 19px);
  line-height: 1.5;
  color: oklch(0.86 0.02 250);
  max-width: 50ch;
  margin: 0 0 36px;
}
.cta-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.cta .btn { border-radius: 4px; }
.cta-btn-primary { background: var(--bg); color: var(--ink); }
.cta-btn-primary:hover {
  background: var(--accent);
  color: var(--ink);
  box-shadow: 0 8px 24px -8px oklch(0.72 0.13 70 / 0.5);
}
.cta-meta {
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding-left: clamp(24px, 3vw, 48px);
  border-left: 1px solid oklch(1 0 0 / 0.15);
}
.cta-meta-row {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 16px;
  font-size: 14px;
  line-height: 1.4;
}
.cta-meta-key {
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: oklch(0.66 0.03 250);
  padding-top: 4px;
}
.cta-meta-val { color: inherit; }
a.cta-meta-val { transition: color 200ms ease; }
a.cta-meta-val:hover { color: var(--accent); }
@media (max-width: 880px) {
  .cta-inner,
  .cta-inner-split { grid-template-columns: 1fr; }
  .cta-meta { padding-left: 0; border-left: 0; padding-top: 24px; border-top: 1px solid oklch(1 0 0 / 0.15); }
}

/* ════════ Shared footer (all pages) ════════ */
.footer {
  padding: clamp(64px, 8vw, 96px) 0 32px;
  border-top: 1px solid var(--rule);
}
.footer-top {
  display: grid;
  grid-template-columns: 1.1fr 2fr;
  gap: clamp(40px, 5vw, 80px);
  padding-bottom: 56px;
}
.footer-mark { color: var(--ink); margin-bottom: 16px; }
.footer-mark img { width: 42px; height: 42px; display: block; object-fit: contain; }
.footer-name {
  font-family: var(--serif);
  font-size: 28px;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin-bottom: 12px;
}
.footer-blurb {
  font-size: 14px;
  line-height: 1.55;
  color: var(--ink-3);
  margin: 0;
  max-width: 38ch;
}
.footer-cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.footer-col-h {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin: 0 0 18px;
  font-family: var(--mono);
}
.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-col li { font-size: 14px; }
.footer-col a { color: var(--ink-2); transition: color 200ms ease; }
.footer-col a:hover { color: var(--ink); }
.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--rule);
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--ink-3);
}
.footer-legal { display: flex; gap: 24px; }
.footer-legal a { color: var(--ink-3); transition: color 200ms ease; }
.footer-legal a:hover { color: var(--ink); }
@media (max-width: 880px) {
  .footer-top { grid-template-columns: 1fr; }
  .footer-cols { grid-template-columns: repeat(2, 1fr); }
}

/* ════════ DESIGN ENRICHMENT ════════ */

/* Brand-accent emphasis on every serif italic */
.display em { color: var(--accent); }

/* Decorative gold seam at each section divider */
.section { position: relative; }
.section::before {
  content: "";
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: 72px; height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold) 50%, transparent);
  opacity: 0.7;
  z-index: 2;
}

/* Depth + faint engineered grid on dark bands */
.dark-section { position: relative; }
.dark-section::after {
  content: "";
  position: absolute; inset: 0; z-index: 0;
  pointer-events: none;
  background-image:
    radial-gradient(ellipse 60% 50% at 88% 6%, color-mix(in oklch, var(--accent) 22%, transparent), transparent 60%),
    linear-gradient(oklch(1 0 0 / 0.028) 1px, transparent 1px),
    linear-gradient(90deg, oklch(1 0 0 / 0.028) 1px, transparent 1px);
  background-size: 100% 100%, 54px 54px, 54px 54px;
}
.dark-section > .wrap { position: relative; z-index: 1; }

/* Accent eyebrow tick — small leading marker */
.eyebrow.no-rule::after {
  content: "";
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 3px color-mix(in oklch, var(--gold) 24%, transparent);
  order: -1;
}

/* ════════ MONUMENTAL WATERMARK TYPOGRAPHY ════════ */
[data-watermark] { position: relative; overflow: hidden; }
[data-watermark] > .wrap { position: relative; z-index: 1; }
[data-watermark]::after {
  content: attr(data-watermark);
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(120px, 27vw, 480px);
  line-height: 0.9; letter-spacing: -0.04em;
  white-space: nowrap; text-transform: none;
  color: var(--ink); opacity: 0.03;
  pointer-events: none; z-index: 0; user-select: none;
}
.cta[data-watermark]::after { color: oklch(1 0 0); opacity: 0.025; }

/* footer brand on one line */
.footer-brand-row { display: flex; align-items: center; gap: 14px; }
.footer-brand-row .footer-mark { margin-bottom: 0; }
.footer-brand-row .footer-name { margin: 0; }

/* Services nav dropdown — full-width mega panel */
.nav-dd { position: static; }
.nav-dd > a { display: inline-flex; align-items: center; gap: 7px; }
.dd-caret { width: 7px; height: 7px; border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg) translate(-1px, -1px); display: inline-block; transition: transform 200ms ease; }
.nav-dd:hover .dd-caret, .nav-dd:focus-within .dd-caret { transform: rotate(225deg) translate(-1px, -1px); }
.nav-dd::after { content: ""; position: absolute; top: 100%; left: -160px; right: -160px; height: 22px; }
.nav-dd-panel { position: absolute; top: 100%; left: 0; right: 0; transform: translateY(-6px);
  background: var(--bg); border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule);
  box-shadow: 0 40px 70px -45px oklch(0.14 0.05 258 / 0.5);
  opacity: 0; visibility: hidden; z-index: 80; pointer-events: none;
  /* generous close delay so the pointer can travel to the panel */
  transition: opacity 200ms cubic-bezier(.2,.7,.2,1) 320ms, transform 200ms cubic-bezier(.2,.7,.2,1) 320ms, visibility 0s linear 520ms; }
.nav-dd-panel::before { content: ""; position: absolute; top: -1px; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--gold), oklch(0.72 0.13 75 / 0) 45%); }
.nav-dd:hover .nav-dd-panel, .nav-dd:focus-within .nav-dd-panel {
  opacity: 1; visibility: visible; transform: translateY(0); pointer-events: auto;
  transition: opacity 240ms cubic-bezier(.2,.7,.2,1) 60ms, transform 240ms cubic-bezier(.2,.7,.2,1) 60ms, visibility 0s linear 60ms; }
.dd-grid { display: grid; grid-template-columns: 1.05fr 1.25fr; gap: clamp(36px, 4.5vw, 80px);
  padding-top: clamp(34px, 3.6vw, 52px); padding-bottom: clamp(38px, 4vw, 58px); align-items: stretch; }
.dd-left { display: flex; flex-direction: column; }
.dd-lhead { display: flex; align-items: baseline; justify-content: space-between; gap: 20px;
  padding-bottom: 14px; margin-bottom: 14px; border-bottom: 1px solid var(--rule-soft); }
.dd-k { display: block; font-family: var(--mono); font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--ink-3); }
.dd-all { font-size: 12.5px; font-weight: 600; color: var(--accent-ink); display: inline-flex; align-items: center; gap: 6px; }
.dd-all .arrow { transition: transform 180ms ease; display: inline-block; }
.dd-all:hover .arrow { transform: translateX(3px); }
.dd-list { display: grid; grid-template-columns: 1fr 1fr; gap: 4px 24px; }
.dd-list a { display: grid; grid-template-columns: 26px 1fr auto; align-items: center; column-gap: 12px;
  padding: 15px 16px; border-radius: 10px; margin-left: -16px; transition: background 160ms ease; }
.dd-list a:hover, .dd-list a:focus-visible { background: var(--bg-2); outline: none; }
.dd-n { font-family: var(--mono); font-size: 10px; color: var(--ink-4); letter-spacing: 0.06em; }
.dd-list b { display: block; font-size: 15px; font-weight: 600; color: var(--ink); letter-spacing: -0.008em; line-height: 1.3;
  transition: color 160ms ease; }
.dd-list a:hover b { color: var(--accent-ink); }
.dd-list .d { display: block; font-size: 12px; color: var(--ink-3); margin-top: 4px; line-height: 1.5; }
.dd-go { opacity: 0; transform: translateX(-5px); transition: opacity 180ms ease, transform 180ms ease;
  color: var(--accent-ink); font-size: 15px; }
.dd-list a:hover .dd-go, .dd-list a:focus-visible .dd-go { opacity: 1; transform: translateX(0); }
.nav-links .dd-feature, .nav-dd-panel .dd-feature { padding: clamp(34px, 3.6vw, 52px); }
.dd-feature { display: flex; flex-direction: column; justify-content: center; gap: 18px; border-radius: 16px; overflow: hidden; position: relative;
  background: oklch(0.14 0.05 258) url('assets/dd-feature-bg.jpg') center / cover no-repeat;
  padding: clamp(34px, 3.6vw, 52px); min-height: 340px; border: 1px solid oklch(0.3 0.06 258);
  box-shadow: 0 26px 56px -34px oklch(0.14 0.05 258 / 0.6);
  transition: transform 220ms ease, box-shadow 220ms ease; }
.dd-feature:hover { transform: translateY(-2px); box-shadow: 0 24px 50px -30px oklch(0.14 0.05 258 / 0.7); }
.dd-feature::before { content: ""; position: absolute; inset: 0;
  background: linear-gradient(150deg, oklch(0.14 0.05 258 / 0.92) 30%, oklch(0.14 0.05 258 / 0.5) 70%, oklch(0.14 0.05 258 / 0.2)); }
.dd-feature > * { position: relative; z-index: 1; }
.dd-feature .dd-k { color: var(--gold); }
.dd-feature-t { font-family: var(--serif); font-size: clamp(26px, 2.6vw, 36px); line-height: 1.1; letter-spacing: -0.012em;
  color: oklch(0.97 0.008 250); }
.dd-feature-d { font-size: 13.5px; line-height: 1.65; color: oklch(0.84 0.02 250); max-width: 36ch; }
.dd-feature-s { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.08em; text-transform: uppercase;
  color: oklch(0.72 0.03 250); border-top: 1px solid oklch(1 0 0 / 0.16); padding-top: 16px; margin-top: 6px; }
.dd-feature-go { font-size: 13.5px; font-weight: 600; color: #fff; display: inline-flex; align-items: center; gap: 8px; }
.dd-feature-go .arrow { transition: transform 200ms ease; display: inline-block; }
.dd-feature:hover .dd-feature-go .arrow { transform: translateX(4px); }
.nav-mobile-sub { padding-left: 22px !important; font-size: 0.92em; color: var(--ink-2) !important; }
.svc-practice-card { scroll-margin-top: 96px; }

@media (max-width: 900px) { .nav-dd-panel { display: none; } }

@media (prefers-reduced-motion: reduce) { .nav-dd-panel { transition: none; } }

/* ════════ Touch tap-target comfort (touch devices only; no effect on desktop) ════════ */
@media (pointer: coarse) {
  /* secondary text-link CTAs sit below the 44px touch guideline — grow the hit area
     without shifting the visible underline or the desktop layout */
  .ab-hero-link { padding: 11px 0; }
  .svc-card-link { padding-top: 15px; }
}