/* =============================================================
   G&J Company LLC — Main Stylesheet
   Colors: Navy #1B2A4A | Teal #0D8A7A | BG #F4F6F8
   ============================================================= */

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

/* ---- Custom Properties ---- */
:root {
  --clr-primary:       #1B2A4A;
  --clr-primary-dark:  #111c35;
  --clr-primary-light: #2d4270;
  --clr-accent:        #0D8A7A;
  --clr-accent-hover:  #0a7068;
  --clr-accent-light:  #e6f4f2;
  --clr-bg:            #F4F6F8;
  --clr-surface:       #ffffff;
  --clr-border:        #dde3ec;
  --clr-text:          #1a202c;
  --clr-text-muted:    #5a6478;
  --clr-text-light:    #ffffff;
  --clr-success:       #16a34a;
  --clr-warning:       #d97706;
  --clr-error:         #dc2626;

  --font: 'Inter', system-ui, -apple-system, sans-serif;

  --nav-h: 70px;
  --max-w: 1200px;
  --sidebar-w: 240px;

  --radius-sm: 4px;
  --radius:    8px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --shadow-sm: 0 1px 3px rgba(27,42,74,.08);
  --shadow:    0 4px 14px rgba(27,42,74,.12);
  --shadow-lg: 0 8px 32px rgba(27,42,74,.16);

  --transition: .2s ease;
  --transition-m: .35s ease;
}

[data-theme="dark"] {
  --clr-bg:          #0f172a;
  --clr-surface:     #1e293b;
  --clr-border:      #334155;
  --clr-text:        #f1f5f9;
  --clr-text-muted:  #94a3b8;
  --clr-accent-light:#0d3530;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.3);
  --shadow:    0 4px 14px rgba(0,0,0,.4);
  --shadow-lg: 0 8px 32px rgba(0,0,0,.5);
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font);
  background: var(--clr-bg);
  color: var(--clr-text);
  line-height: 1.65;
  transition: background var(--transition-m), color var(--transition-m);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
main { flex: 1; }
img, svg { display: block; max-width: 100%; }
a { color: var(--clr-accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--clr-accent-hover); }
a:focus-visible {
  outline: 3px solid var(--clr-accent);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}
button:focus-visible {
  outline: 3px solid var(--clr-accent);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}
ul, ol { list-style: none; }
h1,h2,h3,h4,h5,h6 { line-height: 1.25; font-weight: 700; color: var(--clr-text); }

/* Skip to content (accessibility) */
.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  background: var(--clr-accent);
  color: #fff;
  padding: .5rem 1rem;
  border-radius: var(--radius);
  font-weight: 600;
  z-index: 9999;
  transition: top var(--transition);
}
.skip-link:focus { top: 1rem; }

/* ---- Layout ---- */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.5rem;
}
.section { padding: 5rem 0; }
.section--sm { padding: 3rem 0; }
.section--lg { padding: 7rem 0; }
.section--alt { background: var(--clr-surface); }

/* ---- Typography ---- */
.text-xs   { font-size: .75rem; }
.text-sm   { font-size: .875rem; }
.text-lg   { font-size: 1.125rem; }
.text-xl   { font-size: 1.25rem; }
.text-2xl  { font-size: 1.5rem; }
.text-3xl  { font-size: 1.875rem; }
.text-muted { color: var(--clr-text-muted); }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.text-center { text-align: center; }
.text-accent { color: var(--clr-accent); }

.section-label {
  display: inline-block;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--clr-accent);
  margin-bottom: .75rem;
}
.section-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  color: var(--clr-primary);
  margin-bottom: 1rem;
}
[data-theme="dark"] .section-title { color: var(--clr-text); }
.section-subtitle {
  font-size: 1.125rem;
  color: var(--clr-text-muted);
  max-width: 580px;
  margin: 0 auto 3rem;
}
.section-header { text-align: center; margin-bottom: 3.5rem; }

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .75rem 1.75rem;
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition);
  text-decoration: none;
  white-space: nowrap;
  line-height: 1;
}
.btn-primary {
  background: var(--clr-accent);
  color: #fff;
  border-color: var(--clr-accent);
}
.btn-primary:hover {
  background: var(--clr-accent-hover);
  border-color: var(--clr-accent-hover);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(13,138,122,.35);
}
.btn-outline {
  background: transparent;
  color: var(--clr-primary);
  border-color: var(--clr-primary);
}
[data-theme="dark"] .btn-outline { color: var(--clr-text); border-color: var(--clr-border); }
.btn-outline:hover {
  background: var(--clr-primary);
  color: #fff;
  transform: translateY(-1px);
}
.btn-outline-light {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,.6);
}
.btn-outline-light:hover {
  background: rgba(255,255,255,.15);
  border-color: #fff;
  color: #fff;
}
.btn-lg {
  padding: 1rem 2.25rem;
  font-size: 1.05rem;
}
.btn-sm {
  padding: .5rem 1.25rem;
  font-size: .875rem;
}

/* ---- Navigation ---- */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--nav-h);
  background: var(--clr-primary);
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
}
.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: .75rem;
  text-decoration: none;
  flex-shrink: 0;
}
.nav-brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.nav-brand-name {
  font-size: 1.1rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -.01em;
}
.nav-brand-tagline {
  font-size: .65rem;
  color: rgba(255,255,255,.65);
  font-weight: 500;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: .25rem;
}
.nav-links a,
.nav-dropdown > button {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  padding: .5rem .85rem;
  border-radius: var(--radius);
  color: rgba(255,255,255,.85);
  font-size: .9rem;
  font-weight: 500;
  text-decoration: none;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font);
  transition: all var(--transition);
}
.nav-links a:hover,
.nav-dropdown > button:hover,
.nav-links a.active {
  background: rgba(255,255,255,.12);
  color: #fff;
}
.nav-dropdown { position: relative; }
.nav-dropdown-menu {
  display: none;
  position: absolute;
  top: calc(100% + .5rem);
  left: 0;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  min-width: 220px;
  overflow: hidden;
  z-index: 100;
}
.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown:focus-within .nav-dropdown-menu {
  display: block;
}
.nav-dropdown-menu a {
  display: flex;
  align-items: center;
  gap: .6rem;
  padding: .7rem 1.1rem;
  color: var(--clr-text);
  font-size: .9rem;
  font-weight: 500;
  border-bottom: 1px solid var(--clr-border);
  transition: background var(--transition);
  border-radius: 0;
}
.nav-dropdown-menu a:last-child { border-bottom: none; }
.nav-dropdown-menu a:hover { background: var(--clr-accent-light); color: var(--clr-accent-hover); }
.nav-dropdown-menu .dropdown-icon {
  width: 28px;
  height: 28px;
  background: var(--clr-accent-light);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--clr-accent);
  flex-shrink: 0;
}
.nav-right {
  display: flex;
  align-items: center;
  gap: .75rem;
}
.nav-cta { display: flex; }

/* Dark mode toggle */
.theme-toggle {
  width: 38px;
  height: 38px;
  border-radius: var(--radius);
  background: rgba(255,255,255,.1);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,.85);
  transition: background var(--transition), color var(--transition);
  flex-shrink: 0;
}
.theme-toggle:hover { background: rgba(255,255,255,.2); color: #fff; }
.theme-toggle svg { width: 18px; height: 18px; }
.icon-sun { display: none; }
.icon-moon { display: block; }
[data-theme="dark"] .icon-sun { display: block; }
[data-theme="dark"] .icon-moon { display: none; }

/* Hamburger */
.nav-hamburger {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: var(--radius);
  background: rgba(255,255,255,.1);
  border: none;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: all var(--transition);
}
.nav-hamburger[aria-expanded="true"] span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-hamburger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-hamburger[aria-expanded="true"] span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* Mobile nav drawer */
.nav-mobile {
  display: none;
  position: fixed;
  inset: var(--nav-h) 0 0 0;
  background: var(--clr-primary-dark);
  z-index: 999;
  overflow-y: auto;
  padding: 1.5rem;
  flex-direction: column;
  gap: .5rem;
}
.nav-mobile.open { display: flex; }
.nav-mobile a {
  display: block;
  padding: .85rem 1rem;
  color: rgba(255,255,255,.85);
  font-weight: 500;
  border-radius: var(--radius);
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.nav-mobile a:hover { background: rgba(255,255,255,.1); color: #fff; }
.nav-mobile-section {
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: rgba(255,255,255,.4);
  padding: 1rem 1rem .4rem;
}
.nav-mobile .btn { margin-top: 1rem; justify-content: center; }

/* ---- Hero ---- */
.hero {
  background: linear-gradient(135deg, var(--clr-primary) 0%, var(--clr-primary-light) 60%, #1a4a40 100%);
  color: #fff;
  padding: 6rem 0 5rem;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 80% 20%, rgba(13,138,122,.3) 0%, transparent 50%),
    radial-gradient(circle at 10% 80%, rgba(255,255,255,.04) 0%, transparent 40%);
}
.hero .container {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.hero-label {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  background: rgba(13,138,122,.25);
  border: 1px solid rgba(13,138,122,.5);
  color: #5ee8d4;
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: .35rem .9rem;
  border-radius: var(--radius-full);
  margin-bottom: 1.5rem;
}
.hero-label span { width: 7px; height: 7px; background: #5ee8d4; border-radius: 50%; flex-shrink: 0; }
.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 800;
  color: #fff;
  letter-spacing: -.02em;
  margin-bottom: 1.25rem;
  line-height: 1.1;
}
.hero h1 em {
  font-style: normal;
  color: #5ee8d4;
}
.hero-sub {
  font-size: 1.15rem;
  color: rgba(255,255,255,.8);
  margin-bottom: 2.5rem;
  max-width: 480px;
}
.hero-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero-shield {
  width: 260px;
  height: 260px;
  position: relative;
}
.hero-trust {
  display: flex;
  align-items: center;
  gap: 2rem;
  margin-top: 3.5rem;
  padding-top: 2.5rem;
  border-top: 1px solid rgba(255,255,255,.15);
}
.trust-item {
  display: flex;
  align-items: center;
  gap: .6rem;
}
.trust-icon {
  width: 36px;
  height: 36px;
  background: rgba(255,255,255,.12);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #5ee8d4;
  flex-shrink: 0;
}
.trust-icon svg { width: 18px; height: 18px; }
.trust-text { font-size: .85rem; color: rgba(255,255,255,.75); font-weight: 500; }
.trust-text strong { color: #fff; display: block; font-size: .95rem; }

/* ---- Service Cards ---- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}
.service-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: all var(--transition-m);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--clr-accent);
  transform: scaleX(0);
  transition: transform var(--transition-m);
  transform-origin: left;
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--clr-accent);
}
.service-card:hover::before { transform: scaleX(1); }
.service-icon {
  width: 52px;
  height: 52px;
  background: var(--clr-accent-light);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--clr-accent);
  flex-shrink: 0;
}
.service-icon svg { width: 26px; height: 26px; }
.service-card h3 {
  font-size: 1.15rem;
  color: var(--clr-primary);
  font-weight: 700;
}
[data-theme="dark"] .service-card h3 { color: var(--clr-text); }
.service-card p {
  color: var(--clr-text-muted);
  font-size: .95rem;
  flex: 1;
}
.service-link {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  font-size: .9rem;
  font-weight: 600;
  color: var(--clr-accent);
  margin-top: .5rem;
  transition: gap var(--transition);
}
.service-link:hover { gap: .75rem; color: var(--clr-accent-hover); }
.service-link svg { width: 16px; height: 16px; }

/* ---- Why Us / Features ---- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
}
.feature-item {
  text-align: center;
  padding: 1.5rem;
}
.feature-icon {
  width: 60px;
  height: 60px;
  background: var(--clr-accent-light);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--clr-accent);
  margin: 0 auto 1rem;
}
.feature-icon svg { width: 30px; height: 30px; }
.feature-item h3 {
  font-size: 1rem;
  margin-bottom: .5rem;
  color: var(--clr-primary);
}
[data-theme="dark"] .feature-item h3 { color: var(--clr-text); }
.feature-item p { font-size: .9rem; color: var(--clr-text-muted); }

/* ---- CTA Banner ---- */
.cta-banner {
  background: linear-gradient(135deg, var(--clr-primary) 0%, var(--clr-primary-light) 100%);
  padding: 5rem 0;
  text-align: center;
  color: #fff;
}
.cta-banner h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  color: #fff;
  margin-bottom: 1rem;
}
.cta-banner p {
  font-size: 1.1rem;
  color: rgba(255,255,255,.8);
  margin-bottom: 2.5rem;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}
.cta-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ---- Checklist ---- */
.checklist {
  display: flex;
  flex-direction: column;
  gap: .75rem;
}
.checklist-item {
  display: flex;
  align-items: flex-start;
  gap: .85rem;
  padding: .9rem 1.1rem;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  transition: border-color var(--transition);
}
.checklist-item:hover { border-color: var(--clr-accent); }
.check-icon {
  width: 22px;
  height: 22px;
  background: var(--clr-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 1px;
}
.check-icon svg { width: 12px; height: 12px; color: #fff; }
.checklist-item-content h4 { font-size: .95rem; font-weight: 600; margin-bottom: .2rem; }
.checklist-item-content p { font-size: .875rem; color: var(--clr-text-muted); }

/* ---- Accordion / FAQ ---- */
.accordion { display: flex; flex-direction: column; gap: .75rem; }
.accordion-item {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: box-shadow var(--transition);
}
.accordion-item.open { box-shadow: var(--shadow); border-color: var(--clr-accent); }
.accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1rem 1.25rem;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font);
  font-size: 1rem;
  font-weight: 600;
  color: var(--clr-text);
  text-align: left;
  transition: background var(--transition);
}
.accordion-trigger:hover { background: var(--clr-accent-light); }
.accordion-icon {
  width: 22px;
  height: 22px;
  background: var(--clr-accent-light);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--clr-accent);
  flex-shrink: 0;
  transition: transform var(--transition), background var(--transition);
}
.accordion-icon svg { width: 14px; height: 14px; transition: transform var(--transition); }
.accordion-item.open .accordion-icon { background: var(--clr-accent); }
.accordion-item.open .accordion-icon svg { color: #fff; transform: rotate(180deg); }
.accordion-body {
  display: none;
  padding: 0 1.25rem 1.25rem;
  font-size: .95rem;
  color: var(--clr-text-muted);
  line-height: 1.7;
  border-top: 1px solid var(--clr-border);
}
.accordion-body p + p { margin-top: .75rem; }
.accordion-body ul { margin-top: .5rem; padding-left: 1.25rem; list-style: disc; }
.accordion-body li + li { margin-top: .35rem; }
.accordion-item.open .accordion-body { display: block; }

/* ---- Contact Form ---- */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 4rem;
  align-items: start;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: .4rem;
  margin-bottom: 1.25rem;
}
.form-group label {
  font-size: .9rem;
  font-weight: 600;
  color: var(--clr-text);
}
.form-group input,
.form-group select,
.form-group textarea {
  font-family: var(--font);
  font-size: .95rem;
  padding: .75rem 1rem;
  border: 2px solid var(--clr-border);
  border-radius: var(--radius);
  background: var(--clr-surface);
  color: var(--clr-text);
  transition: border-color var(--transition), box-shadow var(--transition);
  width: 100%;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--clr-accent);
  box-shadow: 0 0 0 3px rgba(13,138,122,.15);
}
.form-group textarea { resize: vertical; min-height: 130px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-note { font-size: .8rem; color: var(--clr-text-muted); margin-top: .25rem; }
.contact-info-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
}
.contact-info-card h3 {
  font-size: 1.15rem;
  margin-bottom: 1.5rem;
  color: var(--clr-primary);
}
[data-theme="dark"] .contact-info-card h3 { color: var(--clr-text); }
.contact-detail {
  display: flex;
  align-items: flex-start;
  gap: .85rem;
  padding: .85rem 0;
  border-bottom: 1px solid var(--clr-border);
}
.contact-detail:last-of-type { border-bottom: none; }
.contact-detail-icon {
  width: 38px;
  height: 38px;
  background: var(--clr-accent-light);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--clr-accent);
  flex-shrink: 0;
}
.contact-detail-icon svg { width: 18px; height: 18px; }
.contact-detail-label { font-size: .75rem; color: var(--clr-text-muted); font-weight: 600; text-transform: uppercase; letter-spacing: .06em; }
.contact-detail-value { font-size: .95rem; font-weight: 600; margin-top: .15rem; }
.contact-detail-value a { color: var(--clr-text); }
.contact-detail-value a:hover { color: var(--clr-accent); }
.calendly-placeholder {
  margin-top: 1.5rem;
  background: var(--clr-accent-light);
  border: 2px dashed var(--clr-accent);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-align: center;
}
.calendly-placeholder p { font-size: .875rem; color: var(--clr-text-muted); margin-bottom: .75rem; }

/* ---- Service Page Layout ---- */
.service-page-layout {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  gap: 3rem;
  align-items: start;
  padding: 4rem 0;
}
.service-sidebar {
  position: sticky;
  top: calc(var(--nav-h) + 1.5rem);
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.sidebar-title {
  background: var(--clr-primary);
  color: #fff;
  padding: 1rem 1.25rem;
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.sidebar-nav {
  padding: .75rem;
  display: flex;
  flex-direction: column;
  gap: .25rem;
}
.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: .65rem;
  padding: .65rem .85rem;
  color: var(--clr-text);
  font-size: .875rem;
  font-weight: 500;
  border-radius: var(--radius);
  text-decoration: none;
  transition: all var(--transition);
}
.sidebar-nav a:hover { background: var(--clr-accent-light); color: var(--clr-accent); }
.sidebar-nav a.active {
  background: var(--clr-accent);
  color: #fff;
  font-weight: 600;
}
.sidebar-nav svg { width: 16px; height: 16px; flex-shrink: 0; }
.sidebar-cta {
  margin: .75rem;
  padding: 1.25rem;
  background: var(--clr-accent-light);
  border-radius: var(--radius);
  text-align: center;
}
.sidebar-cta p { font-size: .825rem; color: var(--clr-text-muted); margin-bottom: .75rem; }

/* ---- Page Header ---- */
.page-header {
  background: linear-gradient(135deg, var(--clr-primary) 0%, var(--clr-primary-light) 100%);
  padding: 4rem 0 3.5rem;
  color: #fff;
}
.page-header .breadcrumb {
  display: flex;
  align-items: center;
  gap: .4rem;
  font-size: .8rem;
  color: rgba(255,255,255,.6);
  margin-bottom: 1rem;
}
.page-header .breadcrumb a { color: rgba(255,255,255,.65); }
.page-header .breadcrumb a:hover { color: #fff; }
.page-header .breadcrumb span { color: rgba(255,255,255,.4); }
.page-header h1 {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  color: #fff;
  margin-bottom: .75rem;
}
.page-header p {
  font-size: 1.1rem;
  color: rgba(255,255,255,.8);
  max-width: 560px;
}

/* ---- Quiz ---- */
.quiz-container {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  max-width: 680px;
}
.quiz-progress {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}
.quiz-progress-label {
  font-size: .8rem;
  font-weight: 600;
  color: var(--clr-text-muted);
}
.quiz-progress-bar {
  flex: 1;
  height: 6px;
  background: var(--clr-border);
  border-radius: var(--radius-full);
  margin: 0 1rem;
  overflow: hidden;
}
.quiz-progress-fill {
  height: 100%;
  background: var(--clr-accent);
  border-radius: var(--radius-full);
  transition: width var(--transition-m);
}
.quiz-question {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--clr-primary);
  margin-bottom: 1.25rem;
  line-height: 1.5;
}
[data-theme="dark"] .quiz-question { color: var(--clr-text); }
.quiz-options {
  display: flex;
  flex-direction: column;
  gap: .65rem;
  margin-bottom: 1.5rem;
}
.quiz-option {
  display: flex;
  align-items: flex-start;
  gap: .75rem;
  padding: .9rem 1.1rem;
  border: 2px solid var(--clr-border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
  font-size: .95rem;
  background: var(--clr-bg);
  color: var(--clr-text);
  font-family: var(--font);
  text-align: left;
  width: 100%;
}
.quiz-option:hover:not(:disabled) {
  border-color: var(--clr-accent);
  background: var(--clr-accent-light);
}
.quiz-option.correct {
  border-color: var(--clr-success);
  background: #dcfce7;
  color: #14532d;
}
[data-theme="dark"] .quiz-option.correct { background: #14532d; color: #dcfce7; }
.quiz-option.wrong {
  border-color: var(--clr-error);
  background: #fee2e2;
  color: #7f1d1d;
}
[data-theme="dark"] .quiz-option.wrong { background: #7f1d1d; color: #fee2e2; }
.quiz-option:disabled { cursor: default; }
.quiz-explanation {
  padding: 1rem 1.1rem;
  background: var(--clr-accent-light);
  border-left: 4px solid var(--clr-accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: .9rem;
  color: var(--clr-text);
  margin-bottom: 1.25rem;
  display: none;
}
.quiz-explanation.visible { display: block; }
.quiz-actions { display: flex; gap: .75rem; }
.quiz-score {
  text-align: center;
  padding: 2rem;
  display: none;
}
.quiz-score.visible { display: block; }
.quiz-score-circle {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: var(--clr-accent-light);
  border: 4px solid var(--clr-accent);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
}
.quiz-score-num { font-size: 1.75rem; font-weight: 800; color: var(--clr-accent); }
.quiz-score-total { font-size: .75rem; color: var(--clr-text-muted); }

/* ---- Network Diagram ---- */
.diagram-wrapper {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  text-align: center;
}

/* ---- Scenario Cards ---- */
.scenario-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
}
.scenario-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.scenario-header {
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  gap: .65rem;
  font-weight: 700;
  font-size: .9rem;
}
.scenario-header.danger { background: #fef2f2; color: #991b1b; }
.scenario-header.warning { background: #fffbeb; color: #92400e; }
.scenario-header.safe { background: #f0fdf4; color: #14532d; }
[data-theme="dark"] .scenario-header.danger { background: #450a0a; color: #fca5a5; }
[data-theme="dark"] .scenario-header.warning { background: #431407; color: #fcd34d; }
[data-theme="dark"] .scenario-header.safe { background: #052e16; color: #86efac; }
.scenario-body {
  padding: 1.1rem 1.25rem;
  font-size: .9rem;
  color: var(--clr-text);
}
.scenario-body p + p { margin-top: .5rem; }
.scenario-body .tip {
  margin-top: .75rem;
  padding: .65rem .9rem;
  background: var(--clr-accent-light);
  border-radius: var(--radius);
  font-size: .825rem;
  color: var(--clr-accent-hover);
  font-weight: 500;
}

/* ---- Blog Cards ---- */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.75rem;
}
.blog-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-m);
}
.blog-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.blog-card-thumb {
  height: 180px;
  background: linear-gradient(135deg, var(--clr-primary) 0%, var(--clr-primary-light) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,.3);
}
.blog-card-thumb svg { width: 48px; height: 48px; }
.blog-card-body { padding: 1.5rem; }
.blog-tag {
  display: inline-block;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--clr-accent);
  background: var(--clr-accent-light);
  padding: .25rem .7rem;
  border-radius: var(--radius-full);
  margin-bottom: .75rem;
}
.blog-card-body h3 {
  font-size: 1.05rem;
  margin-bottom: .6rem;
  line-height: 1.35;
}
.blog-card-body p { font-size: .875rem; color: var(--clr-text-muted); }
.blog-card-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 1.1rem;
  font-size: .8rem;
  color: var(--clr-text-muted);
}

/* ---- Testimonials ---- */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}
.testimonial-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
}
.testimonial-stars {
  display: flex;
  gap: .25rem;
  color: #f59e0b;
  margin-bottom: 1rem;
}
.testimonial-stars svg { width: 18px; height: 18px; }
.testimonial-text {
  font-size: .95rem;
  color: var(--clr-text);
  font-style: italic;
  margin-bottom: 1.25rem;
  line-height: 1.7;
}
.testimonial-author {
  display: flex;
  align-items: center;
  gap: .75rem;
}
.testimonial-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--clr-accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--clr-accent);
  font-weight: 700;
  font-size: .9rem;
  flex-shrink: 0;
}
.testimonial-name { font-weight: 600; font-size: .9rem; }
.testimonial-role { font-size: .8rem; color: var(--clr-text-muted); }

/* ---- About ---- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.about-visual {
  background: linear-gradient(135deg, var(--clr-primary) 0%, var(--clr-primary-light) 100%);
  border-radius: var(--radius-xl);
  padding: 3rem;
  color: #fff;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.about-stat { border-top: 1px solid rgba(255,255,255,.15); padding-top: 1.25rem; }
.about-stat-num { font-size: 2.5rem; font-weight: 800; color: #5ee8d4; }
.about-stat-label { font-size: .875rem; color: rgba(255,255,255,.7); }
.about-values { display: flex; flex-direction: column; gap: .85rem; margin-top: 1rem; }
.about-value {
  display: flex;
  align-items: flex-start;
  gap: .85rem;
  padding: 1rem;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
}
.about-value-icon {
  width: 36px;
  height: 36px;
  background: var(--clr-accent-light);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--clr-accent);
  flex-shrink: 0;
}
.about-value-icon svg { width: 18px; height: 18px; }
.about-value h4 { font-size: .9rem; margin-bottom: .2rem; }
.about-value p { font-size: .825rem; color: var(--clr-text-muted); }

/* ---- Cookie Banner ---- */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--clr-primary);
  color: #fff;
  padding: 1rem 1.5rem;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
  box-shadow: 0 -4px 20px rgba(0,0,0,.2);
  transform: translateY(100%);
  transition: transform var(--transition-m);
}
.cookie-banner.visible { transform: translateY(0); }
.cookie-text { font-size: .875rem; color: rgba(255,255,255,.85); max-width: 600px; }
.cookie-text a { color: #5ee8d4; }
.cookie-actions { display: flex; gap: .75rem; flex-shrink: 0; }

/* ---- Footer ---- */
.footer {
  background: var(--clr-primary-dark);
  color: rgba(255,255,255,.75);
  padding: 4rem 0 0;
  margin-top: auto;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}
.footer-brand p {
  font-size: .875rem;
  color: rgba(255,255,255,.6);
  margin-top: .75rem;
  max-width: 260px;
  line-height: 1.7;
}
.footer-contact {
  margin-top: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: .5rem;
}
.footer-contact a {
  font-size: .875rem;
  color: rgba(255,255,255,.65);
  display: flex;
  align-items: center;
  gap: .5rem;
}
.footer-contact a:hover { color: #5ee8d4; }
.footer-contact svg { width: 15px; height: 15px; }
.footer-col h4 {
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: rgba(255,255,255,.45);
  margin-bottom: 1.1rem;
}
.footer-col ul { display: flex; flex-direction: column; gap: .5rem; }
.footer-col ul a {
  font-size: .875rem;
  color: rgba(255,255,255,.65);
  transition: color var(--transition);
}
.footer-col ul a:hover { color: #5ee8d4; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding: 1.5rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.footer-bottom p { font-size: .8rem; color: rgba(255,255,255,.4); }
.footer-bottom-links {
  display: flex;
  gap: 1.5rem;
}
.footer-bottom-links a { font-size: .8rem; color: rgba(255,255,255,.4); }
.footer-bottom-links a:hover { color: rgba(255,255,255,.75); }

/* ---- Utilities ---- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  padding: .25rem .75rem;
  border-radius: var(--radius-full);
  font-size: .75rem;
  font-weight: 600;
}
.badge-accent { background: var(--clr-accent-light); color: var(--clr-accent-hover); }
.badge-primary { background: rgba(27,42,74,.1); color: var(--clr-primary); }
[data-theme="dark"] .badge-primary { background: rgba(255,255,255,.1); color: var(--clr-text); }
.divider { border: none; border-top: 1px solid var(--clr-border); margin: 2rem 0; }
.card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
}
.prose { max-width: 68ch; }
.prose p { margin-bottom: 1rem; color: var(--clr-text); line-height: 1.75; }
.prose h2 { font-size: 1.6rem; margin: 2rem 0 .75rem; color: var(--clr-primary); }
[data-theme="dark"] .prose h2 { color: var(--clr-text); }
.prose h3 { font-size: 1.2rem; margin: 1.5rem 0 .5rem; }
.prose ul { list-style: disc; padding-left: 1.5rem; margin-bottom: 1rem; }
.prose li { margin-bottom: .4rem; color: var(--clr-text); }
.prose strong { font-weight: 700; }
.intro-callout {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  background: var(--clr-accent-light);
  border-left: 4px solid var(--clr-accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  margin-bottom: 2rem;
  font-size: .95rem;
  color: var(--clr-text);
}
.intro-callout svg { color: var(--clr-accent); flex-shrink: 0; width: 22px; height: 22px; margin-top: 1px; }
.steps-list { display: flex; flex-direction: column; gap: 1.25rem; }
.step-item {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  padding: 1.25rem;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
}
.step-num {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--clr-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: .9rem;
  flex-shrink: 0;
}
.step-content h4 { font-size: .95rem; font-weight: 700; margin-bottom: .3rem; }
.step-content p { font-size: .875rem; color: var(--clr-text-muted); }

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .service-page-layout { grid-template-columns: 200px 1fr; }
  .contact-layout { grid-template-columns: 1fr; }
  .contact-info-card { max-width: 480px; }
}

@media (max-width: 768px) {
  :root { --nav-h: 62px; }

  .nav-links, .nav-right .nav-cta { display: none; }
  .nav-hamburger { display: flex; }

  .hero .container { grid-template-columns: 1fr; gap: 2rem; }
  .hero { padding: 4rem 0 3.5rem; }
  .hero-visual { display: none; }
  .hero-trust { flex-wrap: wrap; gap: 1.25rem; }

  .services-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }

  .service-page-layout { grid-template-columns: 1fr; }
  .service-sidebar { position: static; }
  .sidebar-nav { flex-direction: row; flex-wrap: wrap; padding: .5rem; }

  .about-grid { grid-template-columns: 1fr; }
  .about-visual { display: none; }

  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; text-align: center; }

  .form-row { grid-template-columns: 1fr; }
  .scenario-cards { grid-template-columns: 1fr; }

  .blog-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .container { padding: 0 1rem; }
  .section { padding: 3.5rem 0; }
  .hero h1 { font-size: 2rem; }
  .features-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { justify-content: center; }
  .cta-actions { flex-direction: column; }
  .cta-actions .btn { justify-content: center; }
}