@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@400;600;700;800;900&family=Barlow:wght@400;500;600&display=swap');

:root {
  --navy: #1A2B4A;
  --navy-dark: #0F1B30;
  --navy-mid: #243660;
  --blue: #3AABDC;
  --blue-light: #5BBFE8;
  --blue-pale: #D6EEF8;
  --white: #FFFFFF;
  --off-white: #F4F6F8;
  --grey-light: #E8ECF0;
  --grey-mid: #9AAAB8;
  --grey-dark: #4A5B6E;
  --text: #1A2B4A;
  --orange: #E8841A;
  --font-display: 'Barlow Condensed', sans-serif;
  --font-body: 'Barlow', sans-serif;
  --shadow: 0 4px 20px rgba(26,43,74,0.12);
  --shadow-lg: 0 8px 40px rgba(26,43,74,0.18);
  --radius: 4px;
  --radius-md: 8px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ── UTILITY ── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; }
.section-sm { padding: 48px 0; }
.text-blue { color: var(--blue); }
.text-navy { color: var(--navy); }
.text-white { color: var(--white); }
.bg-navy { background: var(--navy); }
.bg-navy-dark { background: var(--navy-dark); }
.bg-off-white { background: var(--off-white); }
.bg-blue { background: var(--blue); }
.fw-900 { font-weight: 900; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.2s ease;
  border: 2px solid transparent;
}
.btn-primary {
  background: var(--blue);
  color: var(--white);
  border-color: var(--blue);
}
.btn-primary:hover {
  background: var(--blue-light);
  border-color: var(--blue-light);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(58,171,220,0.4);
}
.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: var(--white);
}
.btn-outline:hover {
  background: var(--white);
  color: var(--navy);
  transform: translateY(-2px);
}
.btn-navy {
  background: var(--navy);
  color: var(--white);
  border-color: var(--navy);
}
.btn-navy:hover {
  background: var(--navy-mid);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.section-label {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 12px;
}
.section-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.05;
  text-transform: uppercase;
  color: var(--navy);
}
.section-title.white { color: var(--white); }
.section-desc {
  font-size: 1.05rem;
  color: var(--grey-dark);
  max-width: 560px;
  margin-top: 12px;
  line-height: 1.7;
}

/* ── TOP BAR ── */
.topbar {
  background: var(--navy-dark);
  padding: 8px 0;
  font-size: 0.82rem;
  color: var(--grey-mid);
  font-family: var(--font-display);
  letter-spacing: 0.04em;
}
.topbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.topbar a { color: var(--grey-mid); transition: color 0.2s; }
.topbar a:hover { color: var(--blue); }
.topbar-items { display: flex; align-items: center; gap: 24px; }
.topbar-item { display: flex; align-items: center; gap: 6px; }
.topbar-item svg { color: var(--blue); flex-shrink: 0; }

/* ── HEADER ── */
header {
  background: var(--navy);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 16px rgba(0,0,0,0.3);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
  max-width: 1200px;
  margin: 0 auto;
  gap: 24px;
}
.logo-wrap { display: flex; align-items: center; }
.logo-wrap img {
  height: 72px;
  width: auto;
  mix-blend-mode: lighten;
  filter: brightness(1.05);
}
.footer-logo img {
  mix-blend-mode: lighten;
  filter: brightness(1.05);
}

nav { display: flex; align-items: center; gap: 4px; }
nav a {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.85);
  padding: 8px 12px;
  border-radius: var(--radius);
  transition: all 0.2s;
  position: relative;
}
nav a:hover, nav a.active {
  color: var(--white);
  background: rgba(58,171,220,0.15);
}
nav a.active::after {
  content: '';
  position: absolute;
  bottom: 0; left: 12px; right: 12px;
  height: 2px;
  background: var(--blue);
  border-radius: 2px;
}
nav .nav-products {
  position: relative;
}
nav .nav-products .dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  background: var(--navy-dark);
  border: 1px solid rgba(58,171,220,0.2);
  border-radius: var(--radius-md);
  min-width: 240px;
  padding: 8px;
  box-shadow: var(--shadow-lg);
  z-index: 200;
}
nav .nav-products:hover .dropdown { display: block; }
nav .nav-products .dropdown a {
  display: block;
  padding: 9px 14px;
  border-radius: var(--radius);
  font-size: 0.85rem;
  color: rgba(255,255,255,0.8);
  background: none;
}
nav .nav-products .dropdown a:hover {
  background: rgba(58,171,220,0.12);
  color: var(--white);
}
nav .nav-products .dropdown a::after { display: none; }

.header-cta { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.header-phone {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--white);
  letter-spacing: 0.04em;
  display: flex;
  align-items: center;
  gap: 6px;
}
.header-phone svg { color: var(--blue); }

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--white);
  cursor: pointer;
  padding: 8px;
  flex-direction: column;
  gap: 5px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all 0.3s;
}

/* ── HERO ── */
.hero {
  background: var(--navy);
  position: relative;
  overflow: hidden;
  min-height: 580px;
  display: flex;
  align-items: center;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(135deg, rgba(26,43,74,0.97) 0%, rgba(26,43,74,0.85) 50%, rgba(26,43,74,0.6) 100%),
    url('https://images.unsplash.com/photo-1504307651254-35680f356dfd?w=1400&q=80');
  background-size: cover;
  background-position: center;
}
.hero-pattern {
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 40px,
    rgba(58,171,220,0.03) 40px,
    rgba(58,171,220,0.03) 41px
  ),
  repeating-linear-gradient(
    90deg,
    transparent,
    transparent 40px,
    rgba(58,171,220,0.03) 40px,
    rgba(58,171,220,0.03) 41px
  );
}
.hero-stripe {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--blue), var(--blue-light), var(--blue));
}
.hero .container { position: relative; z-index: 2; padding: 80px 24px; }
.hero-content { max-width: 680px; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(58,171,220,0.15);
  border: 1px solid rgba(58,171,220,0.3);
  border-radius: 100px;
  padding: 6px 16px;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 20px;
}
.hero-badge::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--blue);
  border-radius: 50%;
}
.hero-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(3rem, 7vw, 5.5rem);
  line-height: 0.95;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 20px;
}
.hero-title span { color: var(--blue); }
.hero-desc {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.75);
  margin-bottom: 32px;
  line-height: 1.7;
  max-width: 520px;
}
.hero-actions { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 56px;
  padding-top: 40px;
  border-top: 1px solid rgba(255,255,255,0.1);
}
.hero-stat-num {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 2.2rem;
  color: var(--blue);
  line-height: 1;
}
.hero-stat-label {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.55);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 4px;
  font-family: var(--font-display);
  font-weight: 600;
}

/* ── CATEGORY CARDS ── */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}
.cat-card {
  background: var(--white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--grey-light);
}
.cat-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--blue);
}
.cat-card-img {
  height: 200px;
  overflow: hidden;
  position: relative;
}
.cat-card-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.cat-card:hover .cat-card-img img { transform: scale(1.06); }
.cat-card-img .cat-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(26,43,74,0.5) 0%, transparent 60%);
}
.cat-card-body {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.cat-card-body h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.3rem;
  text-transform: uppercase;
  color: var(--navy);
  margin-bottom: 8px;
}
.cat-card-body p { font-size: 0.9rem; color: var(--grey-dark); flex: 1; }
.cat-card-body a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue);
  transition: gap 0.2s;
}
.cat-card-body a:hover { gap: 10px; }

/* ── PRODUCT GRID ── */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
}
.product-card {
  background: var(--white);
  border-radius: var(--radius-md);
  border: 1px solid var(--grey-light);
  overflow: hidden;
  transition: all 0.25s ease;
}
.product-card:hover {
  border-color: var(--blue);
  box-shadow: var(--shadow);
  transform: translateY(-3px);
}
.product-card-img {
  height: 160px;
  overflow: hidden;
  background: var(--off-white);
}
.product-card-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}
.product-card:hover .product-card-img img { transform: scale(1.05); }
.product-card-body { padding: 14px; }
.product-card-body h4 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1rem;
  text-transform: uppercase;
  color: var(--navy);
  margin-bottom: 4px;
}
.product-card-body p { font-size: 0.82rem; color: var(--grey-dark); }
.product-tag {
  display: inline-block;
  padding: 3px 8px;
  background: var(--blue-pale);
  color: var(--blue);
  border-radius: 3px;
  font-size: 0.72rem;
  font-weight: 700;
  font-family: var(--font-display);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 6px;
}
.product-tag.trade {
  background: rgba(232,132,26,0.12);
  color: var(--orange);
}

/* ── INFO STRIP ── */
.info-strip {
  background: var(--blue);
  padding: 20px 0;
}
.info-strip .container {
  display: flex;
  align-items: center;
  justify-content: space-around;
  gap: 24px;
  flex-wrap: wrap;
}
.info-strip-item {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--white);
}
.info-strip-item svg { flex-shrink: 0; opacity: 0.9; }
.info-strip-item strong {
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.info-strip-item span { font-size: 0.82rem; opacity: 0.85; }

/* ── WHY US ── */
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
  margin-top: 48px;
}
.why-card {
  padding: 28px;
  border-radius: var(--radius-md);
  border: 1px solid var(--grey-light);
  background: var(--white);
  transition: all 0.25s;
}
.why-card:hover {
  border-color: var(--blue);
  box-shadow: var(--shadow);
  transform: translateY(-3px);
}
.why-icon {
  width: 52px; height: 52px;
  background: var(--blue-pale);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  color: var(--blue);
  margin-bottom: 16px;
}
.why-card h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.1rem;
  text-transform: uppercase;
  color: var(--navy);
  margin-bottom: 8px;
}
.why-card p { font-size: 0.9rem; color: var(--grey-dark); line-height: 1.6; }

/* ── CTA BAND ── */
.cta-band {
  background: var(--navy);
  position: relative;
  overflow: hidden;
  padding: 64px 0;
}
.cta-band::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    -45deg,
    transparent,
    transparent 20px,
    rgba(58,171,220,0.03) 20px,
    rgba(58,171,220,0.03) 21px
  );
}
.cta-band .container {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}
.cta-band h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  text-transform: uppercase;
  color: var(--white);
  line-height: 1.05;
}
.cta-band h2 span { color: var(--blue); }
.cta-band p { color: rgba(255,255,255,0.65); margin-top: 8px; max-width: 480px; }
.cta-band-actions { display: flex; gap: 12px; flex-wrap: wrap; flex-shrink: 0; }

/* ── PAGE HERO ── */
.page-hero {
  background: var(--navy);
  padding: 56px 0;
  position: relative;
  overflow: hidden;
}
.page-hero::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--blue), transparent);
}
.page-hero-stripe {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--blue);
}
.page-hero .container { position: relative; z-index: 2; }
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  margin-bottom: 16px;
}
.breadcrumb a { color: var(--blue); }
.breadcrumb span { opacity: 0.4; }
.page-hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.5rem, 5vw, 4rem);
  text-transform: uppercase;
  color: var(--white);
  line-height: 1;
}
.page-hero h1 span { color: var(--blue); }
.page-hero p {
  color: rgba(255,255,255,0.65);
  margin-top: 12px;
  max-width: 560px;
  font-size: 1.05rem;
}

/* ── CATEGORY FILTER TABS ── */
.filter-tabs {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}
.filter-tab {
  padding: 8px 18px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: 100px;
  border: 2px solid var(--grey-light);
  background: var(--white);
  color: var(--grey-dark);
  cursor: pointer;
  transition: all 0.2s;
}
.filter-tab:hover {
  border-color: var(--blue);
  color: var(--blue);
}
.filter-tab.active {
  background: var(--navy);
  border-color: var(--navy);
  color: var(--white);
}

/* ── FOOTER ── */
footer {
  background: var(--navy-dark);
  color: rgba(255,255,255,0.7);
  padding: 60px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-logo img { height: 60px; width: auto; margin-bottom: 16px; }
.footer-about { font-size: 0.88rem; line-height: 1.7; }
.footer-col h4 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--blue);
  display: inline-block;
}
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul a {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.6);
  transition: color 0.2s;
  display: flex; align-items: center; gap: 6px;
}
.footer-col ul a:hover { color: var(--blue); }
.footer-col ul a::before {
  content: '›';
  color: var(--blue);
  font-size: 1rem;
}
.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.88rem;
  margin-bottom: 14px;
  color: rgba(255,255,255,0.65);
}
.footer-contact-item svg { color: var(--blue); flex-shrink: 0; margin-top: 2px; }
.footer-contact-item a { color: rgba(255,255,255,0.65); }
.footer-contact-item a:hover { color: var(--blue); }
.footer-bottom {
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.footer-bottom p { font-size: 0.8rem; color: rgba(255,255,255,0.35); }
.footer-bottom a { color: rgba(255,255,255,0.35); }
.footer-bottom a:hover { color: var(--blue); }

/* ── ANIMATE ON SCROLL ── */
.anim {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.anim.visible {
  opacity: 1;
  transform: translateY(0);
}
.anim-delay-1 { transition-delay: 0.1s; }
.anim-delay-2 { transition-delay: 0.2s; }
.anim-delay-3 { transition-delay: 0.3s; }
.anim-delay-4 { transition-delay: 0.4s; }

/* ── MOBILE NAV (slide-in panel, hidden off-screen by default) ── */
.mobile-nav {
  display: flex !important;
  flex-direction: column;
  position: fixed;
  top: 0; right: 0; bottom: 0;
  width: min(320px, 85vw);
  background: var(--navy-dark);
  z-index: 999;
  padding: 24px 28px 40px;
  gap: 4px;
  transform: translateX(110%);
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: -8px 0 40px rgba(0,0,0,0.4);
  overflow-y: auto;
}
.mobile-nav.open {
  transform: translateX(0);
}
.mobile-nav-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.55);
  z-index: 998;
}
.mobile-nav-backdrop.open { display: block; }
.mobile-nav-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 20px;
  margin-bottom: 8px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.mobile-nav-logo {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 0.9rem;
  color: var(--blue);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  line-height: 1.1;
}
.mobile-nav-logo span {
  display: block;
  color: rgba(255,255,255,0.45);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
}
.mobile-nav-section-label {
  font-family: var(--font-display);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.3);
  padding: 16px 0 6px;
  border-top: 1px solid rgba(255,255,255,0.06);
  margin-top: 8px;
}

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero-stats { gap: 24px; }
}
@media (max-width: 768px) {
  .section { padding: 56px 0; }
  nav, .header-cta .btn { display: none; }
  .nav-toggle { display: flex; }
  .mobile-nav a {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.05rem;
    text-transform: uppercase;
    color: rgba(255,255,255,0.8);
    padding: 11px 0;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    letter-spacing: 0.05em;
    transition: color 0.2s, padding-left 0.2s;
    display: block;
  }
  .mobile-nav a:hover { color: var(--blue); padding-left: 6px; }
  .mobile-nav-close {
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: 6px;
    color: var(--white);
    cursor: pointer;
    font-size: 1rem;
    width: 36px; height: 36px;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
    transition: background 0.2s;
  }
  .mobile-nav-close:hover { background: rgba(255,255,255,0.15); }
  .hero { min-height: 480px; }
  .hero-stats { flex-wrap: wrap; gap: 20px; }
  .cta-band .container { flex-direction: column; }
  .topbar-items { gap: 12px; }
}
@media (max-width: 540px) {
  .footer-grid { grid-template-columns: 1fr; }
  .info-strip .container { flex-direction: column; align-items: flex-start; gap: 16px; }
}

/* ── NAV TOGGLE HAMBURGER ANIMATION ── */
.nav-toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle.open span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.nav-toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}
.nav-toggle span {
  transition: transform 0.3s ease, opacity 0.2s ease;
}