/* ========================================================================
   Applied AI of Arizona — Main Stylesheet
   ======================================================================== */

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen,
    Ubuntu, Cantarell, 'Helvetica Neue', Arial, sans-serif;
  color: #334155;
  background: #fff;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: #3b82f6; text-decoration: none; transition: color 0.2s; }
a:hover { color: #2563eb; }
ul, ol { list-style: none; }

/* --- Utility --- */
.container { max-width: 1140px; margin: 0 auto; padding: 0 24px; }
.text-center { text-align: center; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  color: #1e293b;
  line-height: 1.25;
  font-weight: 700;
}
h1 { font-size: 2.75rem; margin-bottom: 1rem; }
h2 { font-size: 2rem; margin-bottom: 0.75rem; }
h3 { font-size: 1.5rem; margin-bottom: 0.5rem; }
h4 { font-size: 1.175rem; margin-bottom: 0.5rem; }
p { margin-bottom: 1rem; }

.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #3b82f6;
  margin-bottom: 0.75rem;
}

.section-subtitle {
  max-width: 640px;
  margin: 0 auto 2.5rem;
  color: #64748b;
  font-size: 1.125rem;
}

/* --- Buttons --- */
.btn {
  display: inline-block;
  font-weight: 600;
  font-size: 1rem;
  padding: 14px 32px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.2s, background 0.2s;
  text-align: center;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 4px 14px rgba(0,0,0,0.12); }
.btn-primary { background: #f97316; color: #fff; }
.btn-primary:hover { background: #ea580c; color: #fff; }
.btn-secondary { background: #3b82f6; color: #fff; }
.btn-secondary:hover { background: #2563eb; color: #fff; }
.btn-outline {
  background: transparent;
  color: #3b82f6;
  border: 2px solid #3b82f6;
}
.btn-outline:hover { background: #3b82f6; color: #fff; }
.btn-white { background: #fff; color: #1e293b; }
.btn-white:hover { background: #f1f5f9; color: #1e293b; }
.btn-sm { padding: 10px 22px; font-size: 0.9rem; }
.btn-lg { padding: 18px 40px; font-size: 1.1rem; }

.btn-group { display: flex; gap: 16px; flex-wrap: wrap; }
.btn-group.centered { justify-content: center; }

/* --- Header / Nav --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid #e2e8f0;
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.2rem;
  color: #1e293b;
}
.nav-logo:hover { color: #1e293b; }
.nav-logo svg { flex-shrink: 0; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-links a {
  font-size: 0.95rem;
  font-weight: 500;
  color: #475569;
  transition: color 0.2s;
}
.nav-links a:hover, .nav-links a.active { color: #3b82f6; }

.nav-cta {
  margin-left: 8px;
}

/* Mobile Menu */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.menu-toggle svg { display: block; }

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: #fff;
    padding: 24px;
    gap: 20px;
    border-bottom: 1px solid #e2e8f0;
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
  }
  .menu-toggle { display: block; }
  .nav-cta { margin-left: 0; }
}

/* --- Hero Sections --- */
.hero {
  padding: 100px 0 80px;
  background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(59,130,246,0.15) 0%, transparent 70%);
  border-radius: 50%;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(249,115,22,0.1) 0%, transparent 70%);
  border-radius: 50%;
}
.hero .container { position: relative; z-index: 1; }
.hero h1 { color: #fff; font-size: 3.25rem; max-width: 720px; }
.hero p { color: #cbd5e1; font-size: 1.2rem; max-width: 600px; margin-bottom: 2rem; }
.hero .section-label { color: #60a5fa; }

.hero-compact { padding: 72px 0 56px; }
.hero-compact h1 { font-size: 2.5rem; }

/* --- Sections --- */
.section { padding: 80px 0; }
.section-alt { background: #f8fafc; }
.section-dark {
  background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
  color: #fff;
}
.section-dark h2, .section-dark h3, .section-dark h4 { color: #fff; }
.section-dark p { color: #cbd5e1; }

/* --- Cards --- */
.card {
  background: #fff;
  border-radius: 12px;
  padding: 32px;
  border: 1px solid #e2e8f0;
  transition: transform 0.2s, box-shadow 0.2s;
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.08);
}

.card-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, #eff6ff, #dbeafe);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: #3b82f6;
}

/* --- Grid Layouts --- */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

@media (max-width: 992px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  h1 { font-size: 2rem; }
  .hero h1 { font-size: 2.25rem; }
  .hero { padding: 72px 0 56px; }
  .section { padding: 56px 0; }
}

/* --- Social Proof Bar --- */
.proof-bar {
  padding: 24px 0;
  background: #f8fafc;
  border-bottom: 1px solid #e2e8f0;
}
.proof-bar-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
  color: #64748b;
  font-size: 0.9rem;
  font-weight: 500;
}
.proof-bar-inner svg { color: #94a3b8; }

/* --- Industry Icons --- */
.industry-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 24px;
  text-align: center;
}
.industry-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 24px 12px;
  border-radius: 12px;
  transition: background 0.2s;
}
.industry-item:hover { background: #f1f5f9; }
.industry-item .icon-circle {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, #eff6ff, #dbeafe);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #3b82f6;
}
.industry-item span {
  font-size: 0.9rem;
  font-weight: 600;
  color: #475569;
}

@media (max-width: 768px) {
  .industry-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 480px) {
  .industry-grid { grid-template-columns: repeat(2, 1fr); }
}

/* --- Process Steps --- */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  position: relative;
}
.step {
  text-align: center;
  padding: 32px 24px;
  position: relative;
}
.step-number {
  width: 48px;
  height: 48px;
  background: #3b82f6;
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.2rem;
  margin: 0 auto 20px;
}
.step h3 { font-size: 1.2rem; }
.step p { color: #64748b; font-size: 0.95rem; }

@media (max-width: 640px) {
  .steps { grid-template-columns: 1fr; gap: 16px; }
}

/* --- Pricing Cards --- */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  align-items: start;
}
.pricing-card {
  background: #fff;
  border-radius: 16px;
  padding: 40px 32px;
  border: 2px solid #e2e8f0;
  text-align: center;
  position: relative;
  transition: transform 0.2s, box-shadow 0.2s;
}
.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.08);
}
.pricing-card.featured {
  border-color: #3b82f6;
  box-shadow: 0 8px 32px rgba(59,130,246,0.15);
}
.pricing-card.featured::before {
  content: 'Most Popular';
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: #3b82f6;
  color: #fff;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 4px 16px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.pricing-card h3 { font-size: 1.3rem; margin-bottom: 8px; }
.pricing-price {
  font-size: 2.5rem;
  font-weight: 800;
  color: #1e293b;
  margin: 16px 0 4px;
}
.pricing-price span { font-size: 1rem; font-weight: 500; color: #64748b; }
.pricing-desc {
  color: #64748b;
  font-size: 0.9rem;
  margin-bottom: 24px;
  min-height: 44px;
}
.pricing-features {
  text-align: left;
  margin-bottom: 32px;
}
.pricing-features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 8px 0;
  font-size: 0.95rem;
  color: #475569;
  border-bottom: 1px solid #f1f5f9;
}
.pricing-features li:last-child { border-bottom: none; }
.pricing-features svg { flex-shrink: 0; margin-top: 2px; color: #22c55e; }

@media (max-width: 992px) {
  .pricing-grid { grid-template-columns: 1fr; max-width: 440px; margin-left: auto; margin-right: auto; }
}

/* --- Testimonials --- */
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.testimonial {
  background: #fff;
  border-radius: 12px;
  padding: 32px;
  border: 1px solid #e2e8f0;
  position: relative;
}
.testimonial-stars {
  color: #f59e0b;
  margin-bottom: 16px;
  display: flex;
  gap: 2px;
}
.testimonial-quote {
  font-style: italic;
  color: #475569;
  margin-bottom: 20px;
  font-size: 0.95rem;
  line-height: 1.7;
}
.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}
.testimonial-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, #3b82f6, #1e293b);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
}
.testimonial-name { font-weight: 600; color: #1e293b; font-size: 0.95rem; }
.testimonial-role { color: #64748b; font-size: 0.85rem; }
.testimonial-note {
  text-align: center;
  margin-top: 24px;
  color: #94a3b8;
  font-size: 0.8rem;
  font-style: italic;
}

@media (max-width: 768px) {
  .testimonial-grid { grid-template-columns: 1fr; }
}

/* --- FAQ --- */
.faq-list { max-width: 740px; margin: 0 auto; }
.faq-item {
  border-bottom: 1px solid #e2e8f0;
  padding: 20px 0;
}
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  font-weight: 600;
  color: #1e293b;
  font-size: 1.05rem;
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  padding: 0;
  gap: 16px;
}
.faq-question svg {
  flex-shrink: 0;
  transition: transform 0.3s;
  color: #94a3b8;
}
.faq-item.open .faq-question svg { transform: rotate(180deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  color: #64748b;
  font-size: 0.95rem;
  line-height: 1.7;
}
.faq-item.open .faq-answer {
  max-height: 500px;
  padding-top: 12px;
}

/* --- Forms --- */
.form-group {
  margin-bottom: 20px;
}
.form-group label {
  display: block;
  font-weight: 600;
  color: #1e293b;
  margin-bottom: 6px;
  font-size: 0.9rem;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid #e2e8f0;
  border-radius: 8px;
  font-size: 1rem;
  font-family: inherit;
  color: #334155;
  background: #fff;
  transition: border-color 0.2s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: #3b82f6;
  box-shadow: 0 0 0 3px rgba(59,130,246,0.1);
}
.form-group textarea { resize: vertical; min-height: 120px; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
@media (max-width: 640px) {
  .form-row { grid-template-columns: 1fr; }
}

/* --- CTA Section --- */
.cta-section {
  padding: 80px 0;
  background: linear-gradient(135deg, #1e293b, #0f172a);
  color: #fff;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse at center, rgba(59,130,246,0.1) 0%, transparent 70%);
}
.cta-section .container { position: relative; z-index: 1; }
.cta-section h2 { color: #fff; font-size: 2.25rem; }
.cta-section p { color: #94a3b8; font-size: 1.1rem; max-width: 560px; margin: 0 auto 2rem; }

/* --- Footer --- */
.site-footer {
  background: #0f172a;
  color: #94a3b8;
  padding: 64px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-brand p { font-size: 0.9rem; line-height: 1.7; margin-top: 12px; }
.footer-col h4 {
  color: #fff;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}
.footer-col a {
  display: block;
  color: #94a3b8;
  font-size: 0.9rem;
  padding: 4px 0;
  transition: color 0.2s;
}
.footer-col a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid #1e293b;
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  flex-wrap: wrap;
  gap: 12px;
}

@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* --- Misc Components --- */
.badge {
  display: inline-block;
  background: #eff6ff;
  color: #3b82f6;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 20px;
}

.divider {
  width: 60px;
  height: 4px;
  background: #3b82f6;
  border-radius: 2px;
  margin: 16px auto 32px;
}

.icon-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 0;
  font-size: 1rem;
  color: #475569;
}
.icon-list svg { flex-shrink: 0; margin-top: 4px; color: #22c55e; }

/* Case study cards */
.case-card {
  background: linear-gradient(135deg, #eff6ff, #f8fafc);
  border-radius: 12px;
  padding: 32px;
  border: 1px solid #dbeafe;
}
.case-card .case-stat {
  font-size: 2.5rem;
  font-weight: 800;
  color: #3b82f6;
  margin-bottom: 8px;
}
.case-card h4 { margin-bottom: 12px; }
.case-card p { color: #64748b; font-size: 0.95rem; }

/* Workshop schedule */
.schedule-block {
  background: #fff;
  border-radius: 12px;
  padding: 32px;
  border: 1px solid #e2e8f0;
  margin-bottom: 24px;
}
.schedule-block h3 {
  display: flex;
  align-items: center;
  gap: 12px;
}
.time-badge {
  display: inline-block;
  background: #3b82f6;
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 6px;
}

/* Contact paths */
.contact-paths {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.contact-path {
  background: #fff;
  border-radius: 16px;
  padding: 40px 32px;
  border: 2px solid #e2e8f0;
  text-align: center;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.contact-path:hover {
  border-color: #3b82f6;
  box-shadow: 0 8px 32px rgba(59,130,246,0.1);
}
.contact-path .icon-circle {
  width: 72px;
  height: 72px;
  margin: 0 auto 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.contact-path:first-child .icon-circle { background: linear-gradient(135deg, #eff6ff, #dbeafe); color: #3b82f6; }
.contact-path:last-child .icon-circle { background: linear-gradient(135deg, #fff7ed, #fed7aa); color: #f97316; }

@media (max-width: 640px) {
  .contact-paths { grid-template-columns: 1fr; }
}

/* Map placeholder */
.map-placeholder {
  width: 100%;
  height: 280px;
  background: linear-gradient(135deg, #e2e8f0, #f1f5f9);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #94a3b8;
  font-weight: 600;
}

/* Two-col layout */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
@media (max-width: 768px) {
  .two-col { grid-template-columns: 1fr; gap: 40px; }
}

/* Service detail list */
.service-detail-card {
  background: #fff;
  border-radius: 12px;
  padding: 28px;
  border: 1px solid #e2e8f0;
}
.service-detail-card h4 {
  display: flex;
  align-items: center;
  gap: 10px;
}
.service-detail-card p { color: #64748b; font-size: 0.95rem; margin-bottom: 0; }

/* Timeline / about */
.philosophy-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.philosophy-card {
  text-align: center;
  padding: 32px 24px;
}
.philosophy-card .icon-circle {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, #eff6ff, #dbeafe);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #3b82f6;
  margin: 0 auto 20px;
}

@media (max-width: 640px) {
  .philosophy-grid { grid-template-columns: 1fr; }
}