:root {
  --navy: #0F172A;
  --blue: #1D4ED8;
  --bright-blue: #2563EB;
  --light-blue: #60A5FA;
  --very-light-blue: #EFF6FF;
  --white: #FFFFFF;
  --text: #1F2937;
  --muted: #6B7280;
  --border: #DBEAFE;
  --shadow: 0 12px 30px rgba(15, 23, 42, 0.08);
  --radius: 14px;
  --max-width: 1160px;
}

/* Base reset and defaults */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", Arial, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

h1,
h2,
h3 {
  margin: 0 0 0.8rem;
  color: var(--navy);
  line-height: 1.2;
}

p {
  margin: 0 0 1rem;
}

ul {
  margin: 0;
  padding-left: 1.2rem;
}

.container {
  width: min(100% - 2.5rem, var(--max-width));
  margin-inline: auto;
}

.section-pad {
  padding: 5rem 0;
}

.section-tight {
  padding: 2rem 0;
}

.section-muted {
  background: var(--very-light-blue);
}

.eyebrow {
  margin: 0 0 0.6rem;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue);
}

.section-head {
  max-width: 720px;
  margin-bottom: 2rem;
}

.section-head h2 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  border: 1px solid transparent;
  border-radius: 10px;
  padding: 0.78rem 1.3rem;
  font-weight: 600;
  transition: all 0.25s ease;
  cursor: pointer;
}

.btn-primary {
  background: linear-gradient(135deg, var(--blue), var(--bright-blue));
  color: var(--white);
  box-shadow: 0 10px 18px rgba(29, 78, 216, 0.24);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  transform: translateY(-1px);
  box-shadow: 0 14px 25px rgba(29, 78, 216, 0.3);
}

.btn-outline {
  border-color: #BFDBFE;
  color: var(--blue);
  background: #F8FAFF;
}

.btn-outline:hover,
.btn-outline:focus-visible {
  border-color: var(--blue);
  background: #EEF4FF;
}

/* Header and navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid #E5E7EB;
}

.site-header.scrolled {
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.08);
}

.nav-wrap {
  min-height: 76px;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.logo {
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--navy);
}

.site-nav {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.site-nav a {
  font-size: 0.95rem;
  color: #334155;
  font-weight: 500;
  padding: 0.35rem 0;
  border-bottom: 2px solid transparent;
  transition: all 0.2s ease;
}

.site-nav a:hover,
.site-nav a.active {
  color: var(--blue);
  border-bottom-color: var(--blue);
}

.nav-cta {
  margin-left: 1rem;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid #CBD5E1;
  border-radius: 10px;
  background: var(--white);
  padding: 9px 7px;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  height: 2px;
  background: #1E293B;
  margin: 5px 0;
  border-radius: 2px;
}

/* Home hero and headline sections */
.hero {
  background: radial-gradient(circle at 82% 22%, #DBEAFE 0%, #F8FBFF 35%, #FFFFFF 65%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2rem;
  align-items: center;
}

.hero-copy h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  margin-bottom: 1rem;
}

.hero-copy p {
  color: #475569;
  max-width: 610px;
}

.hero-actions {
  margin-top: 1.6rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.hero-visual {
  position: relative;
}

.hero-visual img {
  border-radius: 16px;
  box-shadow: var(--shadow);
}

.floating-card {
  position: absolute;
  right: -10px;
  bottom: -20px;
  background: var(--white);
  padding: 1rem 1.1rem;
  border-radius: 12px;
  box-shadow: var(--shadow);
  max-width: 240px;
}

.floating-card h3 {
  margin-bottom: 0.3rem;
  font-size: 1rem;
}

.floating-card p {
  margin: 0;
  font-size: 0.9rem;
  color: #475569;
}

.stats-bar {
  background: var(--navy);
  color: #DDE7FF;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.stat-item {
  text-align: center;
}

.stat-item h2 {
  color: var(--white);
  margin-bottom: 0.2rem;
  font-size: clamp(1.7rem, 3vw, 2.3rem);
}

.stat-item p {
  margin: 0;
  color: #C7D2FE;
}

/* Shared cards and section patterns */
.card-grid {
  display: grid;
  gap: 1.2rem;
}

.card-grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

.card-grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.card-grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.service-card,
.value-card,
.case-card,
.testimonial-card,
.leader-card,
.case-study-detail,
.industry-detail,
.service-detail,
.info-card,
.contact-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.service-card:hover,
.value-card:hover,
.case-card:hover,
.testimonial-card:hover,
.leader-card:hover,
.case-study-detail:hover,
.industry-detail:hover,
.contact-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 32px rgba(15, 23, 42, 0.12);
}

.service-card h3,
.value-card h3,
.case-card h3 {
  font-size: 1.1rem;
}

.service-card p,
.value-card p,
.case-card p,
.testimonial-card p,
.industry-detail p,
.service-detail p,
.info-card p,
.leader-card p {
  color: #4B5563;
}

.industry-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.chip-card {
  background: #F8FAFF;
  border: 1px solid #C7D2FE;
  border-radius: 999px;
  padding: 0.9rem 1rem;
  text-align: center;
  font-weight: 600;
  color: #1E3A8A;
}

/* Process and CTA blocks */
.case-card img {
  border-radius: 12px;
  margin-bottom: 1rem;
  border: 1px solid #DBEAFE;
}

.process-steps {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.8rem;
}

.process-steps li {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  box-shadow: var(--shadow);
}

.process-steps span {
  display: inline-flex;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  align-items: center;
  justify-content: center;
  background: #DBEAFE;
  color: #1E40AF;
  font-weight: 700;
  margin-bottom: 0.8rem;
}

.final-cta {
  background: linear-gradient(180deg, #FFFFFF 0%, #EEF4FF 100%);
}

.cta-box {
  text-align: center;
  border: 1px solid #BFDBFE;
  border-radius: 18px;
  background: #F8FBFF;
  padding: 2.2rem;
  box-shadow: var(--shadow);
}

.cta-box p {
  max-width: 720px;
  margin-inline: auto;
}

.sub-hero {
  background: linear-gradient(180deg, #F8FBFF 0%, #FFFFFF 100%);
}

.sub-hero h1 {
  font-size: clamp(2rem, 5vw, 2.9rem);
}

.service-detail,
.industry-detail,
.case-study-detail {
  margin-bottom: 1rem;
}

/* About and contact sections */
.industry-detail strong,
.case-study-detail strong {
  color: var(--navy);
}

.about-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 1.2rem;
}

.contact-form-wrap {
  background: #F8FBFF;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.4rem;
}

.contact-form {
  display: grid;
  gap: 0.6rem;
}

.contact-form label {
  font-size: 0.92rem;
  font-weight: 600;
  color: #1E293B;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  border: 1px solid #BFDBFE;
  border-radius: 10px;
  padding: 0.75rem 0.85rem;
  font: inherit;
  color: #1F2937;
  background: var(--white);
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: 2px solid #93C5FD;
  border-color: #60A5FA;
}

.form-note {
  color: #64748B;
  font-size: 0.9rem;
  margin-top: 0.4rem;
}

.contact-side {
  display: grid;
  gap: 1rem;
  align-content: start;
}

.faq-list {
  display: grid;
  gap: 0.8rem;
}

.faq-item {
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--white);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  border: 0;
  background: transparent;
  text-align: left;
  padding: 1rem 1.1rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--navy);
  cursor: pointer;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.25s ease;
}

.faq-answer p {
  padding: 0 1.1rem 1rem;
  margin: 0;
  color: #475569;
}

.faq-item.open .faq-answer {
  max-height: 180px;
}

/* Footer */
.site-footer {
  background: #0B1220;
  color: #CBD5E1;
  padding-top: 3rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr 1fr;
  gap: 1.2rem;
}

.site-footer .logo {
  color: #FFFFFF;
}

.site-footer h3 {
  color: #E2E8F0;
  margin-bottom: 0.7rem;
  font-size: 1rem;
}

.site-footer ul {
  list-style: none;
  padding: 0;
}

.site-footer li {
  margin-bottom: 0.45rem;
}

.site-footer a:hover {
  color: #93C5FD;
}

.social-links {
  display: flex;
  gap: 0.55rem;
  margin-top: 0.8rem;
}

.social-links a {
  width: 36px;
  height: 36px;
  border: 1px solid #334155;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.social-links img {
  width: 16px;
  height: 16px;
}

.footer-bottom {
  border-top: 1px solid #1E293B;
  margin-top: 1.5rem;
  text-align: center;
  padding: 1rem;
  color: #94A3B8;
  font-size: 0.9rem;
}

/* Scroll reveal utility */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.45s ease, transform 0.45s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}