/* ========================================
   DataGrok Solutions - Main Stylesheet
   ======================================== */

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  line-height: 1.6;
  color: #1f2937;
  background: #f9fafb;
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; transition: color 0.3s ease; }
img { max-width: 100%; height: auto; }
ul { list-style: none; }

/* ========================================
   Navigation
   ======================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1rem 0;
  transition: all 0.3s ease;
  background: transparent;
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  box-shadow: 0 1px 20px rgba(0, 0, 0, 0.08);
  padding: 0.6rem 0;
}

.nav-container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  z-index: 1001;
}

.nav-logo-img {
  width: 36px;
  height: 36px;
  object-fit: contain;
}

.nav-logo-text {
  font-size: 1.25rem;
  font-weight: 700;
  color: #ffffff;
  transition: color 0.3s ease;
}

.navbar.scrolled .nav-logo-text {
  color: #1f2937;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links li a {
  font-size: 0.95rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.9);
  transition: color 0.3s ease;
  position: relative;
}

.nav-links li a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, #667eea, #764ba2);
  transition: width 0.3s ease;
}

.nav-links li a:hover::after {
  width: 100%;
}

.navbar.scrolled .nav-links li a {
  color: #4b5563;
}

.navbar.scrolled .nav-links li a:hover {
  color: #667eea;
}

.nav-cta {
  background: rgba(255, 255, 255, 0.2) !important;
  border: 1.5px solid rgba(255, 255, 255, 0.4) !important;
  padding: 0.5rem 1.5rem !important;
  border-radius: 50px !important;
  backdrop-filter: blur(8px);
}

.nav-cta:hover {
  background: rgba(255, 255, 255, 0.3) !important;
}

.navbar.scrolled .nav-cta {
  background: linear-gradient(135deg, #667eea, #764ba2) !important;
  border-color: transparent !important;
  color: #ffffff !important;
}

.navbar.scrolled .nav-cta:hover {
  box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
  transform: translateY(-1px);
}

/* Mobile Nav Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 1001;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: #ffffff;
  transition: all 0.3s ease;
  border-radius: 2px;
}

.navbar.scrolled .nav-toggle span {
  background: #1f2937;
}

/* ========================================
   Hero Section
   ======================================== */
.hero-header {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 6rem 2rem 4rem;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  position: relative;
  overflow: hidden;
}

.hero-bg-pattern {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: url('data:image/svg+xml,<svg width="60" height="60" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="60" height="60" patternUnits="userSpaceOnUse"><path d="M 60 0 L 0 0 0 60" fill="none" stroke="rgba(255,255,255,0.08)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
  opacity: 0.5;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 850px;
}

.hero-logo {
  width: 100px;
  height: auto;
  margin-bottom: 2rem;
  filter: drop-shadow(0 8px 24px rgba(0, 0, 0, 0.25));
  animation: float 4s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-12px); }
}

.hero-text h1 {
  font-size: 3.5rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 1.5rem;
  line-height: 1.15;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.15);
  animation: fadeInUp 0.8s ease-out;
}

.gradient-text {
  background: linear-gradient(90deg, #c7d2fe, #e9d5ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

.company-summary {
  font-size: 1.2rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 2.5rem;
  line-height: 1.8;
  max-width: 650px;
  margin-left: auto;
  margin-right: auto;
  animation: fadeInUp 0.8s ease-out 0.2s backwards;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease-out 0.4s backwards;
}

.btn-primary {
  display: inline-block;
  padding: 0.9rem 2rem;
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  color: #fff;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1rem;
  border: 2px solid rgba(255, 255, 255, 0.3);
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn-primary:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.btn-secondary {
  display: inline-block;
  padding: 0.9rem 2rem;
  background: transparent;
  color: rgba(255, 255, 255, 0.9);
  border-radius: 50px;
  font-weight: 500;
  font-size: 1rem;
  border: 2px solid rgba(255, 255, 255, 0.2);
  transition: all 0.3s ease;
}

.btn-secondary:hover {
  border-color: rgba(255, 255, 255, 0.5);
  color: #ffffff;
  transform: translateY(-2px);
}

.btn-light {
  background: #ffffff;
  color: #667eea;
  border-color: #ffffff;
}

.btn-light:hover {
  background: #f0f0ff;
  color: #764ba2;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.hero-scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  text-align: center;
  animation: fadeInUp 0.8s ease-out 0.8s backwards;
}

.hero-scroll-indicator span {
  display: block;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 0.5rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.scroll-arrow {
  width: 20px;
  height: 20px;
  border-right: 2px solid rgba(255, 255, 255, 0.4);
  border-bottom: 2px solid rgba(255, 255, 255, 0.4);
  transform: rotate(45deg);
  margin: 0 auto;
  animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
  0%, 100% { transform: rotate(45deg) translateY(0); }
  50% { transform: rotate(45deg) translateY(6px); }
}

/* ========================================
   Technology Partners Strip
   ======================================== */
.partners-strip {
  background: #ffffff;
  padding: 2rem 0;
  border-bottom: 1px solid #e5e7eb;
  opacity: 1 !important;
  transform: none !important;
}

.partners-label {
  text-align: center;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: #9ca3af;
  margin-bottom: 1.2rem;
  font-weight: 500;
}

.partners-logos {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2.5rem;
  flex-wrap: wrap;
}

.partner-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: #6b7280;
  font-size: 0.85rem;
  font-weight: 500;
  opacity: 0.7;
  transition: opacity 0.3s ease;
}

.partner-item:hover {
  opacity: 1;
}

/* ========================================
   Layout & Containers
   ======================================== */
.container {
  width: 90%;
  margin: 0 auto;
  max-width: 1200px;
}

.main-content {
  background: #f9fafb;
  position: relative;
  z-index: 2;
}

section {
  padding: 5rem 0;
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease-out;
}

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

.section-alt {
  background: #ffffff;
}

/* ========================================
   Typography
   ======================================== */
h2 {
  text-align: center;
  font-size: 2.5rem;
  font-weight: 700;
  color: #1f2937;
  margin-bottom: 0.5rem;
  position: relative;
  display: inline-block;
  left: 50%;
  transform: translateX(-50%);
}

h2::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 50px;
  height: 3px;
  background: linear-gradient(90deg, #667eea, #764ba2);
  border-radius: 2px;
}

.section-subtitle {
  text-align: center;
  font-size: 1.1rem;
  color: #6b7280;
  margin: 1.5rem auto 3rem;
  max-width: 600px;
}

/* ========================================
   About Section
   ======================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.about-text p {
  color: #4b5563;
  font-size: 1.05rem;
  margin-bottom: 1rem;
  line-height: 1.75;
}

.about-stats {
  display: flex;
  gap: 2rem;
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid #e5e7eb;
}

.stat {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: 1.8rem;
  font-weight: 800;
  background: linear-gradient(135deg, #667eea, #764ba2);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  display: block;
  font-size: 0.8rem;
  color: #9ca3af;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 0.25rem;
}

.about-features {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.feature-card {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.2rem;
  border-radius: 12px;
  border: 1px solid #e5e7eb;
  transition: all 0.3s ease;
}

.feature-card:hover {
  border-color: rgba(102, 126, 234, 0.3);
  box-shadow: 0 4px 15px rgba(102, 126, 234, 0.08);
}

.feature-icon {
  flex-shrink: 0;
  color: #667eea;
}

.feature-card h4 {
  font-size: 1rem;
  font-weight: 600;
  color: #1f2937;
  margin-bottom: 0.3rem;
}

.feature-card p {
  font-size: 0.9rem;
  color: #6b7280;
  line-height: 1.5;
}

/* ========================================
   Why DataGrok Section
   ======================================== */
.differentiators {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.diff-card {
  text-align: center;
  padding: 2rem 1.5rem;
  border-radius: 16px;
  border: 1px solid #e5e7eb;
  transition: all 0.3s ease;
  background: #ffffff;
}

.section-alt .diff-card {
  background: #f9fafb;
}

.diff-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 30px rgba(102, 126, 234, 0.1);
  border-color: rgba(102, 126, 234, 0.3);
}

.diff-icon {
  color: #667eea;
  margin-bottom: 1rem;
}

.diff-card h3 {
  font-size: 1.15rem;
  font-weight: 600;
  color: #1f2937;
  margin-bottom: 0.8rem;
}

.diff-card p {
  font-size: 0.92rem;
  color: #6b7280;
  line-height: 1.6;
}

/* ========================================
   Services Section
   ======================================== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.service-card {
  background: #ffffff;
  padding: 2rem;
  border-radius: 16px;
  border: 1px solid #e5e7eb;
  transition: all 0.3s ease;
  text-align: center;
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 16px 40px rgba(102, 126, 234, 0.12);
  border-color: rgba(102, 126, 234, 0.3);
}

.service-icon {
  color: #667eea;
  margin-bottom: 1.2rem;
}

.service-card h3 {
  font-size: 1.2rem;
  font-weight: 600;
  color: #1f2937;
  margin-bottom: 0.8rem;
}

.service-card p {
  font-size: 0.95rem;
  color: #6b7280;
  line-height: 1.6;
}

/* ========================================
   CTA Band
   ======================================== */
.cta-band {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  padding: 4rem 0 !important;
  text-align: center;
  opacity: 1 !important;
  transform: none !important;
}

.cta-band h3 {
  font-size: 2rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.8rem;
}

.cta-band p {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 2rem;
}

/* ========================================
   Approach / Process Section
   ======================================== */
.approach-steps {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 0;
}

.step {
  text-align: center;
  flex: 1;
  max-width: 250px;
  padding: 0 1rem;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, #667eea, #764ba2);
  color: #ffffff;
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 1.2rem;
}

.step h3 {
  font-size: 1.15rem;
  font-weight: 600;
  color: #1f2937;
  margin-bottom: 0.6rem;
}

.step p {
  font-size: 0.9rem;
  color: #6b7280;
  line-height: 1.6;
}

.step-connector {
  width: 60px;
  height: 2px;
  background: linear-gradient(90deg, #667eea, #764ba2);
  margin-top: 28px;
  flex-shrink: 0;
  opacity: 0.3;
}

/* ========================================
   Industries Section
   ======================================== */
.industries-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
}

.industry-badge {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.8rem 1.5rem;
  background: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 50px;
  color: #4b5563;
  font-size: 0.92rem;
  font-weight: 500;
  transition: all 0.3s ease;
}

.industry-badge:hover {
  border-color: #667eea;
  color: #667eea;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.1);
}

.industry-badge svg {
  color: #667eea;
}

/* ========================================
   Expertise / Case Studies Section
   ======================================== */
.expertise-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.expertise-card {
  background: #f9fafb;
  padding: 2rem;
  border-radius: 16px;
  border: 1px solid #e5e7eb;
  transition: all 0.3s ease;
}

.section-alt .expertise-card {
  background: #ffffff;
}

.expertise-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.06);
  border-color: rgba(102, 126, 234, 0.3);
}

.expertise-tag {
  display: inline-block;
  padding: 0.25rem 0.8rem;
  background: linear-gradient(135deg, #667eea, #764ba2);
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 50px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

.expertise-card h3 {
  font-size: 1.15rem;
  font-weight: 600;
  color: #1f2937;
  margin-bottom: 0.8rem;
}

.expertise-card p {
  font-size: 0.92rem;
  color: #6b7280;
  line-height: 1.6;
  margin-bottom: 1.2rem;
}

.expertise-tech {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.expertise-tech span {
  padding: 0.2rem 0.6rem;
  background: #f3f4f6;
  color: #6b7280;
  font-size: 0.78rem;
  border-radius: 4px;
  font-weight: 500;
}

/* ========================================
   Testimonials Section
   ======================================== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.testimonial-card {
  background: #ffffff;
  padding: 2rem;
  border-radius: 16px;
  border: 1px solid #e5e7eb;
  transition: all 0.3s ease;
  position: relative;
}

.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.06);
}

.testimonial-quote {
  color: #667eea;
  margin-bottom: 1rem;
}

.testimonial-card > p {
  font-size: 0.95rem;
  color: #4b5563;
  line-height: 1.7;
  font-style: italic;
  margin-bottom: 1.5rem;
}

.testimonial-author strong {
  display: block;
  font-size: 0.9rem;
  color: #1f2937;
}

.testimonial-author span {
  font-size: 0.8rem;
  color: #9ca3af;
}

/* ========================================
   Contact Section
   ======================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3rem;
  align-items: start;
}

.contact-form-wrapper form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

input, textarea, select {
  padding: 0.9rem 1.1rem;
  border: 2px solid #e5e7eb;
  border-radius: 10px;
  font-size: 0.95rem;
  font-family: 'Inter', sans-serif;
  transition: all 0.3s ease;
  background: #ffffff;
  color: #1f2937;
}

select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%236b7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: #667eea;
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

button[type="submit"] {
  padding: 1rem;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: #fff;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 600;
  font-family: 'Inter', sans-serif;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

button[type="submit"]:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(102, 126, 234, 0.4);
}

.contact-info-panel {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  padding-top: 0.5rem;
}

.contact-method {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.contact-method svg {
  color: #667eea;
  flex-shrink: 0;
  margin-top: 0.15rem;
}

.contact-method strong {
  display: block;
  font-size: 0.85rem;
  color: #1f2937;
  margin-bottom: 0.15rem;
}

.contact-method a,
.contact-method span {
  font-size: 0.95rem;
  color: #667eea;
}

.contact-method a:hover {
  color: #764ba2;
}

.contact-social {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid #e5e7eb;
}

.contact-social a {
  color: #9ca3af;
  transition: color 0.3s ease;
}

.contact-social a:hover {
  color: #667eea;
}

/* ========================================
   Footer
   ======================================== */
footer {
  background: linear-gradient(135deg, #1f2937 0%, #111827 100%);
  color: #e5e7eb;
  padding: 4rem 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 2.5rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo {
  width: 40px;
  height: auto;
  margin-bottom: 1rem;
  filter: brightness(0) invert(1) opacity(0.8);
}

.footer-brand p {
  font-size: 0.9rem;
  color: #9ca3af;
  line-height: 1.6;
}

.footer-col h4 {
  font-size: 0.9rem;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-col a {
  font-size: 0.88rem;
  color: #9ca3af;
  transition: color 0.3s ease;
}

.footer-col a:hover {
  color: #c7d2fe;
}

.footer-bottom {
  padding: 1.5rem 0;
  text-align: center;
}

.footer-bottom p {
  font-size: 0.8rem;
  color: #6b7280;
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 1024px) {
  .differentiators {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

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

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

@media (max-width: 768px) {
  /* Nav */
  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: #ffffff;
    flex-direction: column;
    justify-content: center;
    padding: 2rem;
    gap: 1.5rem;
    transition: right 0.3s ease;
    box-shadow: -5px 0 20px rgba(0, 0, 0, 0.1);
  }

  .nav-links.active {
    right: 0;
  }

  .nav-links li a {
    color: #1f2937 !important;
    font-size: 1.1rem;
  }

  .nav-cta {
    background: linear-gradient(135deg, #667eea, #764ba2) !important;
    color: #ffffff !important;
    text-align: center;
    display: block !important;
  }

  .nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .nav-toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  /* Hero */
  .hero-text h1 {
    font-size: 2.2rem;
  }

  .company-summary {
    font-size: 1.05rem;
  }

  .hero-scroll-indicator {
    display: none;
  }

  /* Typography */
  h2 {
    font-size: 2rem;
  }

  /* About */
  .about-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .about-stats {
    justify-content: center;
  }

  /* Why */
  .differentiators {
    grid-template-columns: 1fr;
  }

  /* Services */
  .services-grid {
    grid-template-columns: 1fr;
  }

  /* Approach */
  .approach-steps {
    flex-direction: column;
    align-items: center;
    gap: 0;
  }

  .step {
    max-width: 100%;
    padding: 1rem 0;
  }

  .step-connector {
    width: 2px;
    height: 30px;
    margin: 0;
  }

  /* Industries */
  .industries-grid {
    gap: 0.8rem;
  }

  /* Expertise */
  .expertise-grid {
    grid-template-columns: 1fr;
  }

  /* Testimonials */
  .testimonials-grid {
    grid-template-columns: 1fr;
  }

  /* Contact */
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  /* Footer */
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  /* CTA Band */
  .cta-band h3 {
    font-size: 1.5rem;
  }
}

/* Overlay for mobile nav */
.nav-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.nav-overlay.active {
  opacity: 1;
  visibility: visible;
}