/* ==========================================================================
   Nimbus Digital Training - Stylesheet
   Modern High-Velocity Digital IT Training (Fontana, CA)
   ========================================================================== */

:root {
  --primary-indigo: #1e1b4b;
  --secondary-indigo: #312e81;
  --accent-cyan: #0284c7;
  --accent-cyan-hover: #0369a1;
  --accent-cyan-light: #e0f2fe;
  --accent-purple: #4f46e5;
  --bg-slate: #f8fafc;
  --bg-card: #ffffff;
  --border-light: #e2e8f0;
  --border-focus: #38bdf8;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  --max-width: 1200px;
  --radius-modern: 8px;
  --radius-pill: 9999px;
  --shadow-subtle: 0 1px 3px rgba(15, 23, 42, 0.06);
  --shadow-card: 0 4px 14px rgba(15, 23, 42, 0.08);
  --shadow-elevation: 0 12px 28px rgba(30, 27, 75, 0.12);
  --transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-slate);
  color: var(--text-secondary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Accessibility */
.skip-link {
  position: absolute;
  top: -45px;
  left: 10px;
  background: var(--accent-cyan);
  color: #ffffff;
  padding: 8px 16px;
  z-index: 9999;
  text-decoration: none;
  font-weight: 600;
  border-radius: var(--radius-modern);
  transition: top 0.2s ease;
}
.skip-link:focus {
  top: 10px;
}

:focus-visible {
  outline: 3px solid var(--accent-cyan);
  outline-offset: 2px;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-primary);
  font-weight: 700;
  line-height: 1.25;
}

h1 { font-size: clamp(2.2rem, 4vw, 2.9rem); letter-spacing: -0.025em; margin-bottom: 1.2rem; }
h2 { font-size: clamp(1.75rem, 3vw, 2.25rem); letter-spacing: -0.02em; margin-bottom: 0.9rem; }
h3 { font-size: 1.35rem; margin-bottom: 0.65rem; }
h4 { font-size: 1.15rem; margin-bottom: 0.5rem; }
p { margin-bottom: 1.2rem; }
p:last-child { margin-bottom: 0; }

a {
  color: var(--accent-cyan);
  text-decoration: none;
  transition: var(--transition);
}
a:hover {
  color: var(--accent-cyan-hover);
  text-decoration: underline;
}

/* Digital Top Info Bar */
.digital-top-bar {
  background: var(--primary-indigo);
  color: #e0e7ff;
  font-size: 0.85rem;
  padding: 0.55rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.top-bar-flex {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.top-contact-list {
  display: flex;
  gap: 1.5rem;
  list-style: none;
  align-items: center;
}
.top-contact-list a {
  color: #c7d2fe;
}
.top-contact-list a:hover {
  color: #ffffff;
  text-decoration: none;
}
.cohort-badge {
  background: rgba(14, 165, 233, 0.2);
  color: #7dd3fc;
  border: 1px solid rgba(56, 189, 248, 0.4);
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  font-weight: 600;
}

/* Independence Banner */
.disclaimer-strip {
  background: #f1f5f9;
  border-bottom: 1px solid var(--border-light);
  padding: 0.55rem 0;
  font-size: 0.8rem;
  color: #475569;
}
.disclaimer-inner {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.disclaimer-pill {
  background: #e2e8f0;
  color: #334155;
  font-weight: 700;
  font-size: 0.7rem;
  padding: 2px 7px;
  border-radius: 4px;
}

/* Modern Header */
.modern-header {
  background: #ffffff;
  border-bottom: 1px solid var(--border-light);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-subtle);
}
.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
}
.brand-mark {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}
.brand-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--secondary-indigo), var(--primary-indigo));
  color: #38bdf8;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-modern);
  font-weight: 800;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  box-shadow: 0 2px 8px rgba(49, 46, 129, 0.25);
}
.brand-text {
  display: flex;
  flex-direction: column;
}
.brand-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--primary-indigo);
  letter-spacing: -0.02em;
  line-height: 1.1;
}
.brand-sub {
  font-size: 0.75rem;
  color: var(--accent-cyan);
  font-weight: 600;
  letter-spacing: 0.03em;
}

.modern-nav {
  display: flex;
  align-items: center;
  gap: 1.8rem;
}
.nav-list {
  display: flex;
  list-style: none;
  gap: 1.5rem;
  align-items: center;
}
.nav-item-link {
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.4rem 0;
  text-decoration: none;
  position: relative;
}
.nav-item-link:hover, .nav-item-link.active {
  color: var(--accent-cyan);
}
.nav-item-link.active::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--accent-cyan);
}

.btn-register-cta {
  background: var(--secondary-indigo);
  color: #ffffff !important;
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius-pill);
  transition: var(--transition);
  text-decoration: none !important;
  border: 1px solid var(--secondary-indigo);
}
.btn-register-cta:hover {
  background: var(--accent-cyan);
  border-color: var(--accent-cyan);
  box-shadow: 0 4px 12px rgba(2, 132, 199, 0.25);
}

.mobile-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border-light);
  padding: 0.5rem;
  border-radius: var(--radius-modern);
  cursor: pointer;
  color: var(--primary-indigo);
}

/* Modern Buttons */
.btn-modern {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.75rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-modern);
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
}
.btn-indigo {
  background: var(--secondary-indigo);
  color: #ffffff;
}
.btn-indigo:hover {
  background: var(--primary-indigo);
  color: #ffffff;
  text-decoration: none;
  box-shadow: var(--shadow-card);
}
.btn-cyan-ghost {
  background: #ffffff;
  color: var(--secondary-indigo);
  border-color: var(--border-light);
}
.btn-cyan-ghost:hover {
  background: var(--accent-cyan-light);
  color: var(--accent-cyan-hover);
  border-color: #bae6fd;
  text-decoration: none;
}

/* Hero Section */
.hero-digital {
  background: #ffffff;
  padding: 4.5rem 0 4rem;
  border-bottom: 1px solid var(--border-light);
}
.hero-flex-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3.5rem;
  align-items: center;
}
.hero-pill-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--accent-cyan-light);
  color: var(--accent-cyan-hover);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  margin-bottom: 1rem;
}
.hero-lead-text {
  font-size: 1.15rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 1.8rem;
}

/* Live Cohort Status Card */
.cohort-status-card {
  background: var(--primary-indigo);
  color: #ffffff;
  border-radius: var(--radius-modern);
  box-shadow: var(--shadow-elevation);
  padding: 2.25rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  position: relative;
  overflow: hidden;
}
.cohort-status-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #38bdf8, #818cf8);
}
.cohort-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding-bottom: 1rem;
}
.cohort-title {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: #7dd3fc;
  font-weight: 700;
}
.cohort-tag {
  background: rgba(16, 185, 129, 0.2);
  color: #34d399;
  border: 1px solid rgba(52, 211, 153, 0.4);
  font-size: 0.75rem;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
}
.cohort-detail-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-bottom: 1.75rem;
  font-size: 0.9rem;
}
.cohort-detail-row {
  display: flex;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  padding-bottom: 0.5rem;
}
.detail-key {
  color: #94a3b8;
}
.detail-val {
  color: #ffffff;
  font-weight: 600;
}

/* Sections */
.digital-section {
  padding: 4.5rem 0;
}
.section-white {
  background: #ffffff;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}
.section-head {
  max-width: 760px;
  margin-bottom: 3rem;
}
.section-kicker {
  font-size: 0.8rem;
  color: var(--accent-cyan);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.5rem;
  display: inline-block;
}

/* Sprints / Tracks Cards */
.tracks-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
.track-card {
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-modern);
  padding: 2.25rem;
  box-shadow: var(--shadow-subtle);
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}
.track-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
  border-color: #cbd5e1;
}
.track-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}
.track-code {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-cyan);
  font-weight: 700;
}
.track-duration {
  font-size: 0.75rem;
  background: #f1f5f9;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  color: #475569;
  font-weight: 600;
}
.track-card h3 {
  font-size: 1.3rem;
  color: var(--primary-indigo);
  margin-bottom: 0.75rem;
}
.track-card p {
  font-size: 0.925rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  flex: 1;
}
.track-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}
.track-tag {
  font-size: 0.75rem;
  background: var(--bg-slate);
  color: var(--secondary-indigo);
  padding: 3px 8px;
  border-radius: 4px;
  border: 1px solid var(--border-light);
  font-family: var(--font-mono);
}

/* Lab Scenarios */
.scenarios-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
  margin-top: 1.5rem;
}
.scenario-box {
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-modern);
  padding: 1.75rem;
}
.scenario-box h4 {
  font-size: 1.15rem;
  color: var(--primary-indigo);
  margin-bottom: 0.5rem;
}
.scenario-box p {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* Compliance Notice Box */
.compliance-box {
  background: #eff6ff;
  border-left: 4px solid var(--accent-cyan);
  border-radius: 0 var(--radius-modern) var(--radius-modern) 0;
  padding: 1.5rem;
  margin: 2.5rem 0;
}
.compliance-box h4 {
  color: #1e40af;
  margin-bottom: 0.35rem;
}
.compliance-box p {
  color: #1e3a8a;
  font-size: 0.925rem;
  margin: 0;
}

/* Forms */
.digital-form-card {
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-modern);
  padding: 2.5rem;
  box-shadow: var(--shadow-card);
}
.digital-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.digital-field {
  display: flex;
  flex-direction: column;
}
.digital-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.35rem;
}
.digital-label .req {
  color: #ef4444;
}
.digital-input {
  width: 100%;
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-modern);
  font-family: inherit;
  font-size: 0.925rem;
  color: var(--text-primary);
  background: #ffffff;
  transition: var(--transition);
}
.digital-input:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
  outline: none;
}
textarea.digital-input {
  min-height: 110px;
  resize: vertical;
}
.form-msg {
  padding: 1rem;
  border-radius: var(--radius-modern);
  font-size: 0.9rem;
  display: none;
}
.form-msg.success {
  display: block;
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  color: #166534;
}
.form-msg.error {
  display: block;
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #991b1b;
}

/* Inner Page Banner */
.page-hero-banner {
  background: var(--primary-indigo);
  color: #ffffff;
  padding: 3.5rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.page-hero-banner h1 {
  color: #ffffff;
  margin-bottom: 0.75rem;
}
.page-hero-banner p {
  color: #c7d2fe;
  font-size: 1.15rem;
  max-width: 800px;
}
.digital-breadcrumbs {
  display: flex;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: #93c5fd;
  margin-bottom: 1rem;
}
.digital-breadcrumbs a {
  color: #c7d2fe;
}
.digital-breadcrumbs a:hover {
  color: #ffffff;
}

/* Digital Footer */
.digital-footer {
  background: var(--primary-indigo);
  color: #94a3b8;
  padding: 4rem 0 2rem;
  margin-top: auto;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.9rem;
}
.digital-footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 2.5rem;
  margin-bottom: 3rem;
}
.footer-heading {
  color: #ffffff;
  font-size: 1rem;
  margin-bottom: 1.2rem;
}
.footer-menu {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.footer-menu a {
  color: #cbd5e1;
}
.footer-menu a:hover {
  color: #ffffff;
}
.footer-sub-bar {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 1.75rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 992px) {
  .hero-flex-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .tracks-grid {
    grid-template-columns: 1fr;
  }
  .scenarios-grid {
    grid-template-columns: 1fr;
  }
  .digital-footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .top-bar-flex {
    flex-direction: column;
    align-items: flex-start;
  }
  .top-contact-list {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.35rem;
  }
  .modern-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: #ffffff;
    border-bottom: 1px solid var(--border-light);
    box-shadow: var(--shadow-elevation);
    padding: 1.5rem;
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }
  .modern-nav.is-open {
    display: flex;
  }
  .nav-list {
    flex-direction: column;
    width: 100%;
    align-items: flex-start;
    gap: 0.85rem;
  }
  .mobile-toggle {
    display: block;
  }
  .digital-footer-grid {
    grid-template-columns: 1fr;
  }
}