/* ── CSS CUSTOM PROPERTIES ── */
:root {
  --bg:          #0d0d0d;
  --bg-raised:   #111111;
  --bg-card:     #141414;
  --border:      #222222;
  --border-dim:  #1a1a1a;
  --accent:      #f0a500;
  --accent-dim:  #a07000;
  --text-bright: #f0f0e8;
  --text-main:   #e8e8e0;
  --text-muted:  #777777;
  --text-dim:    #555555;
  --text-ghost:  #444444;
  --font-mono:   'JetBrains Mono', monospace;
  --font-body:   'Outfit', sans-serif;
}

/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; }
body {
  background: var(--bg);
  color: var(--text-main);
  font-family: var(--font-mono);
  min-height: 100vh;
}
a { color: inherit; text-decoration: none; }
button { cursor: pointer; font-family: var(--font-mono); }
img { max-width: 100%; display: block; }

/* ── CUSTOM ELEMENT DISPLAY ── */
site-header,
site-footer { display: block; }


/* ════════════════════════════════════════
   NAV
════════════════════════════════════════ */
.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 48px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: var(--bg);
  z-index: 100;
}

.nav-logo {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--text-main);
}
.nav-logo span { color: var(--accent); }

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
}
.nav-links a {
  font-size: 13px;
  color: var(--text-ghost);
  letter-spacing: 0.08em;
  transition: color 0.15s;
}
.nav-links a:hover,
.nav-links a.active { color: var(--text-muted); }

/* Services dropdown */
.nav-dropdown { position: relative; }
.nav-dropdown-menu {
  display: none;
  position: absolute;
  top: 100%);
  left: 0;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  min-width: 210px;
  z-index: 200;
}
.nav-dropdown:hover .nav-dropdown-menu { display: block; }
.nav-dropdown-menu a {
  display: block;
  padding: 11px 18px;
  font-size: 12px;
  color: var(--text-ghost);
  letter-spacing: 0.06em;
  border-bottom: 1px solid var(--border-dim);
  transition: background 0.1s, color 0.1s;
}
.nav-dropdown-menu a:last-child { border-bottom: none; }
.nav-dropdown-menu a:hover {
  background: #161616;
  color: var(--text-muted);
}

.btn-ghost-nav {
  background: transparent;
  border: 1px solid var(--accent);
  color: var(--accent);
  padding: 9px 20px;
  font-size: 12px;
  letter-spacing: 0.1em;
  font-weight: 700;
  transition: background 0.15s, color 0.15s;
}
.btn-ghost-nav:hover {
  background: var(--accent);
  color: var(--bg);
}


/* ════════════════════════════════════════
   BUTTONS
════════════════════════════════════════ */
.btn-primary {
  background: var(--accent);
  color: var(--bg);
  border: none;
  padding: 12px 28px;
  font-size: 12px;
  letter-spacing: 0.12em;
  font-weight: 700;
  font-family: var(--font-mono);
  transition: opacity 0.15s;
  display: inline-block;
}
.btn-primary:hover { opacity: 0.88; }

.btn-ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-ghost);
  padding: 12px 28px;
  font-size: 12px;
  letter-spacing: 0.08em;
  font-family: var(--font-mono);
  transition: border-color 0.15s, color 0.15s;
  display: inline-block;
}
.btn-ghost:hover {
  border-color: var(--text-ghost);
  color: var(--text-muted);
}


/* ════════════════════════════════════════
   SECTION LABEL  (the // ones)
════════════════════════════════════════ */
.section-label {
  font-size: 11px;
  color: var(--accent);
  letter-spacing: 0.2em;
  font-weight: 500;
  margin-bottom: 14px;
  text-transform: uppercase;
}


/* ════════════════════════════════════════
   HERO
════════════════════════════════════════ */
.hero {
  padding: 88px 48px 80px;
  border-bottom: 1px solid var(--border-dim);
  background: var(--bg);
  background-image: radial-gradient(circle, #222222 1px, transparent 1px);
  background-size: 28px 28px;
}

.hero-prompt {
  font-size: 12px;
  color: var(--text-ghost);
  letter-spacing: 0.05em;
  margin-bottom: 28px;
  border-left: 3px solid var(--accent);
  padding-left: 12px;
}
.hero-prompt .user { color: var(--accent); }
.hero-prompt .cursor {
  display: inline-block;
  width: 9px;
  height: 14px;
  background: var(--text-main);
  vertical-align: middle;
  animation: blink 1.1s step-end infinite;
  margin-left: 3px;
}
@keyframes blink { 0%,100% { opacity: 1; } 50% { opacity: 0; } }

.hero h1 {
  font-size: 52px;
  font-weight: 700;
  color: var(--text-bright);
  line-height: 1.08;
  max-width: 80%;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
  text-shadow: 0 0 80px rgba(240, 165, 0, 0.08);
}
.hero h1 .hl { color: var(--accent); }

.hero-sub {
  font-family: var(--font-body);
  font-size: 20px;
  color: var(--text-dim);
  line-height: 1.85;
  max-width: 60%;
  margin-bottom: 28px;
  font-weight: 300;
}

.hero-btns { display: flex; gap: 14px; align-items: center; }


/* ════════════════════════════════════════
   SERVICES GRID
════════════════════════════════════════ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: #1a1a1a;
  border-bottom: 1px solid var(--border-dim);
  padding: 60px 30px;
}

.service-card {
  background: var(--bg-card);
  padding: 40px 36px;
  border-top: 2px solid transparent;
  transition: border-top-color 0.2s, background 0.2s;
  position: relative;
  display: block;
}
.service-card::after {
  content: '→';
  position: absolute;
  bottom: 24px;
  right: 28px;
  color: var(--accent);
  font-size: 16px;
  opacity: 0;
  transform: translateX(-6px);
  transition: opacity 0.2s, transform 0.2s;
}
.service-card:hover::after {
  opacity: 1;
  transform: translateX(0);
}
.service-card:hover {
  border-top-color: var(--accent);
  background: #161616;
}

.service-card-tag {
  font-size: 10px;
  color: var(--accent);
  letter-spacing: 0.18em;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}
.service-card-tag::before {
  content: '▸ ';
  color: var(--accent);
}

.service-card-name {
  font-size: 16px;
  color: var(--text-main);
  font-weight: 700;
  margin-bottom: 12px;
}
.service-card-name a { color: inherit; transition: color 0.15s; }
.service-card-name a:hover { color: var(--accent); }

.service-card-desc {
  font-family: var(--font-body);
  font-size: 14px;
  color: #666;
  line-height: 1.8;
  font-weight: 300;
}

.service-card-cta {
  background: var(--bg-raised);
  display: flex;
  align-items: center;
  justify-content: center;
}


/* ════════════════════════════════════════
   ABOUT SECTION
════════════════════════════════════════ */
.about-section {
  background: var(--bg);
  padding: 72px 48px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
  border-bottom: 1px solid var(--border-dim);
}

.about-section h2 {
  font-size: 28px;
  color: var(--text-bright);
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.2;
}

.about-section p {
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--text-dim);
  line-height: 1.9;
  font-weight: 300;
}


/* ════════════════════════════════════════
   TERMINAL BLOCK
════════════════════════════════════════ */
.terminal-block {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  padding: 32px 28px;
  font-size: 13px;
  line-height: 2.4;
}

.t-green  { color: #4ec994; }
.t-yellow { color: var(--accent); }
.t-dim    { color: var(--text-ghost); }
.t-white  { color: var(--text-muted); }

.terminal-block .t-dim {
  margin-bottom: 8px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
  display: block;
}

.terminal-divider {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}


/* ════════════════════════════════════════
   WHY GRID
════════════════════════════════════════ */
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: #1a1a1a;
  border-bottom: 1px solid var(--border-dim);
  padding: 60px 30px;
}

.why-item {
  background: var(--bg-card);
  padding: 36px 36px;
  border-top: 2px solid var(--border-dim);
  transition: border-top-color 0.2s, background 0.2s;
  position: relative;
  overflow: hidden;
}
.why-item::before {
  content: attr(data-index);
  position: absolute;
  top: -10px;
  right: 16px;
  font-size: 96px;
  font-weight: 700;
  color: rgba(240, 165, 0, 0.03);
  line-height: 1;
  pointer-events: none;
}
.why-item:hover {
  border-top-color: var(--accent);
  background: #161616;
}

.why-item-title {
  font-size: 16px;
  color: var(--text-main);
  font-weight: 700;
  margin-bottom: 14px;
}

.why-item-desc {
  font-family: var(--font-body);
  font-size: 14px;
  color: #666;
  line-height: 1.85;
  font-weight: 300;
}


/* ════════════════════════════════════════
   FAQ
════════════════════════════════════════ */
.faq-section {
  background: var(--bg);
  padding: 72px 48px;
  border-bottom: 1px solid var(--border-dim);
}

.faq-section h2 {
  font-size: 30px;
  color: var(--text-bright);
  font-weight: 700;
  margin-bottom: 36px;
}

details {
  border-bottom: 1px solid var(--border);
}
details:first-of-type { border-top: 1px solid var(--border); }

summary {
  padding: 22px 0;
  font-size: 14px;
  color: var(--text-main);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  letter-spacing: 0.02em;
  transition: color 0.15s;
}

.faq-section .section-label {
  border-left: 3px solid var(--accent);
  padding-left: 10px;
}
summary:hover { color: var(--text-bright); }
summary::-webkit-details-marker { display: none; }
summary::after {
  content: '+';
  color: var(--accent);
  font-size: 20px;
  font-weight: 400;
  flex-shrink: 0;
  margin-left: 20px;
  transition: transform 0.2s;
}
details[open] summary::after { content: '−'; }

.faq-answer {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--text-dim);
  line-height: 1.9;
  padding: 4px 0 24px;
  font-weight: 300;
  max-width: 680px;
}


/* ════════════════════════════════════════
   CTA BAND
════════════════════════════════════════ */
.cta-band {
  background: var(--bg-raised);
  background-image: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(255,255,255,0.01) 2px,
    rgba(255,255,255,0.01) 4px
  );
  padding: 56px 48px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 60px;
  border-top: 2px solid var(--accent);
  border-bottom: none;
}

.cta-band h2 {
  font-size: 28px;
  color: var(--text-bright);
  font-weight: 700;
  margin-bottom: 8px;
  line-height: 1.1;
}

.cta-band p {
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--text-dim);
  font-weight: 300;
  line-height: 1.7;
  max-width: 560px;
}

.cta-band .btn-primary { flex-shrink: 0; }


/* ════════════════════════════════════════
   CONTACT FORM
════════════════════════════════════════ */
.contact-section {
  padding: 72px 48px;
  background: var(--bg);
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 80px;
  align-items: start;
}

.contact-section h2 {
  font-size: 36px;
  color: var(--text-bright);
  font-weight: 700;
  margin-bottom: 12px;
}

.contact-section .contact-sub {
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--text-dim);
  margin-bottom: 40px;
  font-weight: 300;
  line-height: 1.85;
  max-width: 520px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  max-width: 100%;
}

.form-group { display: flex; flex-direction: column; gap: 7px; }
.form-group.full { grid-column: 1 / -1; }

label {
  font-size: 10px;
  color: var(--text-ghost);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

input, textarea, select {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  color: var(--text-main);
  font-family: var(--font-mono);
  font-size: 13px;
  padding: 12px 16px;
  outline: none;
  transition: border-color 0.15s;
  width: 100%;
}
input:focus, textarea:focus, select:focus {
  border-color: var(--accent);
}
textarea { resize: vertical; min-height: 140px; }
select option { background: var(--bg-raised); }

.form-submit { margin-top: 4px; }
.form-submit .btn-primary { width: auto; min-width: 180px; }

.contact-sidebar { padding-top: 48px; }


/* ════════════════════════════════════════
   SERVICE PAGES
════════════════════════════════════════ */
.page-hero {
  padding: 80px 48px 72px;
  border-bottom: 1px solid var(--border-dim);
  background: var(--bg);
  background-image: radial-gradient(circle, #222222 1px, transparent 1px);
  background-size: 28px 28px;
  display: grid;
  grid-template-columns: 1fr;
}

.page-hero .hero-prompt {
  font-size: 12px;
  color: var(--text-ghost);
  letter-spacing: 0.05em;
  margin-bottom: 28px;
  border-left: 3px solid var(--accent);
  padding-left: 12px;
}
.page-hero .hero-prompt .user { color: var(--accent); }

.page-hero h1 {
  font-size: 48px;
  font-weight: 700;
  color: var(--text-bright);
  margin-bottom: 18px;
  line-height: 1.08;
  max-width: 100%;
  letter-spacing: -0.01em;
  text-shadow: 0 0 80px rgba(240, 165, 0, 0.08);
}

.page-hero p {
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--text-dim);
  line-height: 1.85;
  max-width: 640px;
  font-weight: 300;
}

/* Service detail section */
.service-detail {
  padding: 72px 48px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
  border-bottom: 1px solid var(--border-dim);
  background: var(--bg);
}

.service-detail h2 {
  font-size: 26px;
  color: var(--text-bright);
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.2;
}

.service-detail p {
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--text-dim);
  line-height: 1.9;
  font-weight: 300;
  margin-bottom: 16px;
}

/* Services list in terminal block */
.service-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.service-list li::before {
  content: '✓ ';
  color: #4ec994;
}

/* What working with us looks like — 2 col on service pages */
.page-hero ~ .why-grid {
  grid-template-columns: repeat(2, 1fr);
}

.page-hero ~ .why-grid .why-item {
  border-left: 3px solid transparent;
  border-top: 2px solid transparent;
  transition: border-color 0.2s, background 0.2s;
}
.page-hero ~ .why-grid .why-item:hover {
  border-left-color: var(--accent);
  border-top-color: var(--accent);
  background: #161616;
}


/* ════════════════════════════════════════
   RELATED SERVICES
════════════════════════════════════════ */
.related-services {
  padding: 64px 48px;
  background: var(--bg);
  border-top: 1px solid var(--border-dim);
}

.related-services .section-label {
  margin-bottom: 28px;
}

.related-services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: #1a1a1a;
}

.related-card {
  background: var(--bg-card);
  padding: 32px 28px 28px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  border-top: 2px solid transparent;
  transition: border-top-color 0.2s, background 0.2s;
  color: var(--text-main);
  text-decoration: none;
}
.related-card:hover {
  border-top-color: var(--accent);
  background: #161616;
}

.related-card-name {
  font-size: 15px;
  font-weight: 700;
}

.related-card-desc {
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.6;
  font-weight: 300;
}

.related-card-bottom {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: auto;
}

.related-card-arrow {
  color: var(--accent);
  font-size: 18px;
  opacity: 0;
  transform: translateX(-6px);
  transition: opacity 0.2s, transform 0.2s;
}
.related-card:hover .related-card-arrow {
  opacity: 1;
  transform: translateX(0);
}


/* ════════════════════════════════════════
   FOOTER
════════════════════════════════════════ */
.site-footer {
  background: var(--bg);
  padding: 26px 48px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: var(--text-dim);
  letter-spacing: 0.06em;
}

.site-footer a {
  color: var(--text-muted);
  transition: color 0.15s;
}
.site-footer a:hover { color: var(--text-muted); }
.footer-links { display: flex; gap: 24px; }


/* ════════════════════════════════════════
   UTILITY
════════════════════════════════════════ */
.divider { border: none; border-top: 1px solid var(--border-dim); }
.mt-8  { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-32 { margin-top: 32px; }
.mb-8  { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }


/* ════════════════════════════════════════
   RESPONSIVE — MEDIUM (≤ 1024px)
════════════════════════════════════════ */
@media (max-width: 1024px) {
  .hero h1                  { font-size: 42px; }
  .services-grid            { grid-template-columns: 1fr 1fr; }
  .about-section            { gap: 36px; padding: 56px 32px; }
  .why-grid                 { grid-template-columns: 1fr 1fr; }
  .related-services-grid    { grid-template-columns: 1fr 1fr; }
  .service-detail           { gap: 36px; }
  .hero                     { padding: 64px 32px 56px; }
  .page-hero                { padding: 56px 32px 48px; }
  .faq-section              { padding: 56px 32px; }
  .cta-band                 { padding: 48px 32px; }
  .contact-section          { padding: 56px 32px; }
  .related-services         { padding: 48px 32px; }
  .site-footer              { padding: 24px 32px; }
}


/* ════════════════════════════════════════
   RESPONSIVE — MOBILE (≤ 768px)
════════════════════════════════════════ */
@media (max-width: 768px) {

  /* ── NAV ── */
  .site-nav {
    padding: 16px 20px;
    flex-wrap: wrap;
    gap: 12px;
  }
  .nav-links {
    display: none;
  }
  .btn-ghost-nav {
    padding: 7px 14px;
    font-size: 11px;
  }

  /* ── HAMBURGER ── */
  .nav-hamburger {
    display: flex;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: none;
    padding: 4px;
    cursor: pointer;
  }
  .nav-hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text-main);
    transition: all 0.2s;
  }
  .nav-open .nav-links {
    display: flex;
    flex-direction: column;
    width: 100%;
    gap: 0;
    border-top: 1px solid var(--border);
    padding-top: 12px;
    padding-bottom: 4px;
  }
  .nav-open .nav-links a {
    padding: 10px 0;
    font-size: 14px;
    border-bottom: 1px solid var(--border-dim);
  }
  /* Services dropdown on mobile */
  .nav-dropdown-menu {
    display: none;
    position: static;
    background: transparent;
    border: none;
    border-left: 2px solid var(--accent);
    margin-left: 12px;
    margin-top: 4px;
    margin-bottom: 4px;
    min-width: unset;
    padding-top: 0;
    box-shadow: none;
  }
  .nav-dropdown.dropdown-open .nav-dropdown-menu {
    display: block;
  }
  .nav-dropdown-menu a {
    padding: 10px 12px;
    font-size: 13px;
    border-bottom: 1px solid var(--border-dim);
    color: var(--text-ghost);
  }
  .nav-dropdown-menu a:last-child {
    border-bottom: none;
  }
  /* Suppress CSS hover so only the tap handler controls visibility */
  .nav-dropdown:hover .nav-dropdown-menu {
    display: none;
  }
  .nav-dropdown.dropdown-open .nav-dropdown-menu {
    display: block;
  }

  /* ── HERO ── */
  .hero {
    padding: 48px 20px 40px;
    background-size: 20px 20px;
  }
  .hero h1 {
    font-size: 32px;
    max-width: 100%;
    line-height: 1.1;
  }
  .hero-sub {
    font-size: 15px;
    max-width: 100%;
  }
  .hero-btns {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
  .hero-btns .btn-primary,
  .hero-btns .btn-ghost {
    width: 100%;
    text-align: center;
  }

  /* ── SERVICE CARDS GRID ── */
  .services-grid {
    grid-template-columns: 1fr;
    padding: 0;
  }
  .service-card {
    padding: 28px 20px;
  }

  /* ── ABOUT SECTION ── */
  .about-section {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 48px 20px;
  }

  /* ── WHY GRID ── */
  .why-grid {
    grid-template-columns: 1fr;
    padding: 0;
  }
  .why-item {
    padding: 32px 20px;
  }
  .why-item::before {
    font-size: 64px;
    top: -4px;
    right: 12px;
  }

  /* ── FAQ ── */
  .faq-section {
    padding: 48px 20px;
  }
  .faq-section h2 {
    font-size: 24px;
  }
  summary {
    font-size: 13px;
    padding: 18px 0;
  }

  /* ── CTA BAND ── */
  .cta-band {
    flex-direction: column;
    align-items: flex-start;
    gap: 24px;
    padding: 40px 20px;
  }
  .cta-band h2 {
    font-size: 22px;
  }
  .cta-band .btn-primary {
    width: 100%;
    text-align: center;
  }

  /* ── CONTACT PAGE ── */
  .contact-section {
    grid-template-columns: 1fr;
    gap: 40px;
    padding: 48px 20px;
  }
  .contact-sidebar {
    padding-top: 0;
  }
  .form-grid {
    grid-template-columns: 1fr;
  }
  .form-group.full {
    grid-column: 1;
  }

  /* ── SERVICE PAGES ── */
  .page-hero {
    padding: 48px 20px 40px;
  }
  .page-hero h1 {
    font-size: 32px;
    max-width: 100%;
  }
  .page-hero p {
    max-width: 100%;
    font-size: 14px;
  }
  .service-detail {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 48px 20px;
  }
  .page-hero ~ .why-grid {
    grid-template-columns: 1fr;
  }

  /* ── RELATED SERVICES ── */
  .related-services {
    padding: 48px 20px;
  }
  .related-services-grid {
    grid-template-columns: 1fr;
  }

  /* ── FOOTER ── */
  .site-footer {
    flex-direction: column;
    gap: 10px;
    text-align: center;
    padding: 24px 20px;
  }
  .footer-links {
    flex-direction: column;
    gap: 8px;
    align-items: center;
  }
}


/* ── Hide hamburger on desktop, always show nav-links ── */
@media (min-width: 769px) {
  .nav-hamburger { display: none; }
  .nav-links { display: flex !important; }
  /* Restore CSS hover for desktop; .dropdown-open has no visible effect here
     since the JS mouseenter/mouseleave handler controls display via inline style */
  .nav-dropdown:hover .nav-dropdown-menu { display: block; }
  .nav-dropdown.dropdown-open .nav-dropdown-menu { display: block; }
}