/* 
  Crosswalk Marketing Global CSS Stylesheet
  Design System, Variables, Layout, and Component Rules
*/

:root {
  --bg: #f8fafc;
  --surface: #ffffff;
  --text-main: #0f172a;
  --text-muted: #475569;
  --primary: #4f46e5;
  --primary-hover: #4338ca;
  --accent-blue: #0ea5e9;
  --accent-teal: #14b8a6;
  --card-border: rgba(226, 232, 240, 0.8);
  --card-shadow: 0 10px 30px -10px rgba(15, 23, 42, 0.04);
  --hero-gradient: linear-gradient(135deg, #eff6ff 0%, #f5f3ff 100%);
  --success: #10b981;
  --max-width: 1200px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Base resets */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Outfit', sans-serif;
  background-color: var(--bg);
  color: var(--text-main);
  line-height: 1.5;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Layout Utilities */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
  width: 100%;
}

/* Header & Navigation */
header {
  position: sticky;
  top: 0;
  background-color: rgba(248, 250, 252, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 100;
  border-bottom: 1px solid var(--card-border);
}

nav {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.25rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--primary);
  text-decoration: none;
}

.logo-mark {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent-blue) 100%);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
  align-items: center;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 1rem;
  transition: var(--transition);
  position: relative;
  padding: 0.25rem 0;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--primary);
}

.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--primary);
  border-radius: 2px;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.mobile-menu-toggle span {
  display: block;
  width: 25px;
  height: 2.5px;
  background-color: var(--text-main);
  margin: 5px 0;
  transition: var(--transition);
  border-radius: 2px;
}

/* Button System */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.75rem;
  border-radius: 12px;
  font-weight: 600;
  text-decoration: none;
  font-size: 0.95rem;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  gap: 0.5rem;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, #6366f1 100%);
  color: #ffffff;
  box-shadow: 0 10px 20px -10px rgba(79, 70, 229, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 24px -8px rgba(79, 70, 229, 0.5);
  background: linear-gradient(135deg, var(--primary-hover) 0%, #4f46e5 100%);
}

.btn-secondary {
  background-color: var(--surface);
  color: var(--text-main);
  border: 1px solid var(--card-border);
}

.btn-secondary:hover {
  background-color: #f1f5f9;
  transform: translateY(-2px);
}

.btn-outline-white {
  background: transparent;
  color: #ffffff;
  border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-outline-white:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: #ffffff;
  transform: translateY(-2px);
}

/* Hero Section */
.hero {
  position: relative;
  background: var(--hero-gradient);
  padding: 6rem 2rem 8rem 2rem;
  overflow: hidden;
}

.hero-container {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 4rem;
  position: relative;
  z-index: 2;
}

.hero-content h1 {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}

.hero-content h1 span {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent-blue) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-content p {
  font-size: 1.25rem;
  color: var(--text-muted);
  margin-bottom: 2.5rem;
  font-weight: 400;
  max-width: 540px;
}

.hero-actions {
  display: flex;
  gap: 1rem;
}

.hero-illustration {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

/* Page Headers (Subpages) */
.page-header {
  background: var(--hero-gradient);
  padding: 5rem 0;
  text-align: center;
  border-bottom: 1px solid var(--card-border);
}

.page-header h1 {
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.page-header h1 span {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent-blue) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.page-header p {
  font-size: 1.2rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto;
}

/* Section Common Styles */
.section {
  padding: 8rem 0;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 5rem auto;
}

.section-header h2 {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.section-header p {
  color: var(--text-muted);
  font-size: 1.125rem;
}

/* Services Page & Grid */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.service-card {
  background-color: var(--surface);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  padding: 2.5rem;
  box-shadow: var(--card-shadow);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-8px);
  border-color: rgba(79, 70, 229, 0.2);
  box-shadow: 0 20px 40px -15px rgba(15, 23, 42, 0.08);
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary) 0%, var(--accent-blue) 100%);
  opacity: 0;
  transition: var(--transition);
}

.service-card:hover::before {
  opacity: 1;
}

.service-icon {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  background-color: #eff6ff;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.75rem;
  color: var(--primary);
}

.service-card h3 {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.service-card p {
  color: var(--text-muted);
  font-size: 0.975rem;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.learn-more {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  margin-top: auto;
}

.learn-more span {
  transition: transform 0.2s ease;
}

.service-card:hover .learn-more span {
  transform: translateX(4px);
}

/* Service Detail Sections (Extended Copy) */
.service-detail-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6rem;
  align-items: center;
  margin-bottom: 8rem;
}

.service-detail-block:nth-child(even) {
  direction: rtl;
}

.service-detail-block:nth-child(even) .service-detail-content {
  direction: ltr;
}

.service-detail-content h2 {
  font-size: 2.25rem;
  font-weight: 800;
  margin-bottom: 1.25rem;
  letter-spacing: -0.02em;
}

.service-detail-content p {
  color: var(--text-muted);
  font-size: 1.1rem;
  margin-bottom: 2rem;
}

.deliverables-list {
  list-style: none;
  margin-bottom: 2.5rem;
}

.deliverables-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  font-weight: 500;
}

.deliverables-list svg {
  color: var(--accent-teal);
  margin-top: 0.25rem;
  flex-shrink: 0;
}

.service-graphic-wrap {
  background-color: var(--surface);
  border: 1px solid var(--card-border);
  border-radius: 24px;
  padding: 3rem;
  box-shadow: var(--card-shadow);
  display: flex;
  justify-content: center;
  align-items: center;
}

/* Stats Section */
.stats {
  background-color: var(--surface);
  border-top: 1px solid var(--card-border);
  border-bottom: 1px solid var(--card-border);
  padding: 5rem 2rem;
}

.stats-container {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
}

.stat-item h4 {
  font-size: 3rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 0.5rem;
  letter-spacing: -0.03em;
}

.stat-item p {
  color: var(--text-muted);
  font-weight: 500;
}

/* Testimonials Carousel Section */
.testimonials {
  background-color: var(--surface);
  border-bottom: 1px solid var(--card-border);
}

.carousel-container {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  overflow: hidden;
  padding: 2rem 0;
}

.carousel-track {
  display: flex;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.carousel-slide {
  min-width: 100%;
  box-sizing: border-box;
  padding: 0 1rem;
  text-align: center;
}

.testimonial-quote {
  font-size: 1.5rem;
  font-weight: 500;
  line-height: 1.6;
  margin-bottom: 2rem;
  color: var(--text-main);
  position: relative;
}

.testimonial-quote::before {
  content: '“';
  font-size: 5rem;
  position: absolute;
  top: -2.5rem;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(79, 70, 229, 0.08);
  font-family: serif;
}

.testimonial-author {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.author-name {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text-main);
}

.author-role {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

.carousel-nav {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-top: 3rem;
  align-items: center;
}

.carousel-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--bg);
  border: 1px solid var(--card-border);
  color: var(--text-main);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.carousel-btn:hover {
  background-color: var(--primary);
  color: white;
  border-color: var(--primary);
}

.carousel-dots {
  display: flex;
  gap: 0.5rem;
}

.carousel-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--card-border);
  cursor: pointer;
  transition: var(--transition);
}

.carousel-dot.active {
  background-color: var(--primary);
  width: 24px;
  border-radius: 4px;
}

/* About Page Styles */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 5rem;
  align-items: center;
}

.about-text h3 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
}

.about-text p {
  color: var(--text-muted);
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.timeline {
  position: relative;
  padding-left: 2.5rem;
  margin: 4rem 0;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  left: 7px;
  height: 100%;
  width: 2px;
  background-color: var(--card-border);
}

.timeline-item {
  position: relative;
  margin-bottom: 3rem;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-dot {
  position: absolute;
  left: -2.5rem;
  top: 0.25rem;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background-color: var(--surface);
  border: 4px solid var(--primary);
  z-index: 2;
}

.timeline-date {
  font-weight: 800;
  color: var(--primary);
  font-size: 0.95rem;
  margin-bottom: 0.25rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.timeline-item h4 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.timeline-item p {
  color: var(--text-muted);
  font-size: 1rem;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
}

.team-card {
  background-color: var(--surface);
  border: 1px solid var(--card-border);
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--card-shadow);
  transition: var(--transition);
}

.team-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px -15px rgba(15, 23, 42, 0.08);
}

.team-img-wrap {
  width: 100%;
  height: 280px;
  background: linear-gradient(135deg, #e0e7ff 0%, #eff6ff 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  position: relative;
}

.team-img-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.team-info {
  padding: 2rem;
  text-align: center;
}

.team-info h4 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.team-info p {
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.95rem;
  margin-bottom: 1rem;
}

.team-socials {
  display: flex;
  justify-content: center;
  gap: 1rem;
}

.team-socials a {
  color: var(--text-muted);
  transition: var(--transition);
}

.team-socials a:hover {
  color: var(--primary);
}

/* Results / Case Studies Page */
.filter-tabs {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 4rem;
}

.filter-btn {
  background-color: var(--surface);
  border: 1px solid var(--card-border);
  color: var(--text-muted);
  padding: 0.6rem 1.5rem;
  border-radius: 30px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  font-size: 0.95rem;
}

.filter-btn:hover {
  background-color: #f1f5f9;
  color: var(--text-main);
}

.filter-btn.active {
  background-color: var(--primary);
  color: white;
  border-color: var(--primary);
  box-shadow: 0 10px 15px -5px rgba(79, 70, 229, 0.3);
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 3rem;
}

.case-card {
  background-color: var(--surface);
  border: 1px solid var(--card-border);
  border-radius: 28px;
  overflow: hidden;
  box-shadow: var(--card-shadow);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.case-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 25px 50px -20px rgba(15, 23, 42, 0.1);
}

.case-visual {
  background-color: #f8fafc;
  padding: 2.5rem;
  height: 240px;
  border-bottom: 1px solid var(--card-border);
  display: flex;
  align-items: center;
  justify-content: center;
}

.case-body {
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.case-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.case-category {
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  color: var(--primary);
  letter-spacing: 0.05em;
  background-color: #eff6ff;
  padding: 0.25rem 0.75rem;
  border-radius: 6px;
}

.case-card h3 {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 1rem;
  letter-spacing: -0.01em;
}

.case-card p {
  color: var(--text-muted);
  margin-bottom: 2rem;
  flex-grow: 1;
}

.case-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  border-top: 1px solid var(--card-border);
  padding-top: 1.5rem;
}

.metric-box h4 {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--accent-teal);
  letter-spacing: -0.02em;
}

.metric-box p {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 0;
}

/* Contact Page Form & Layout */
.contact-layout {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 6rem;
  margin: 4rem auto;
}

.contact-info-panel h2 {
  font-size: 2.25rem;
  font-weight: 800;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.contact-info-panel p {
  color: var(--text-muted);
  font-size: 1.1rem;
  margin-bottom: 3rem;
}

.info-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.info-card {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  background-color: var(--surface);
  padding: 1.5rem;
  border-radius: 16px;
  border: 1px solid var(--card-border);
}

.info-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background-color: #eff6ff;
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.info-details h4 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.info-details p {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 0;
}

/* Contact Form UI */
.contact-form-container {
  background-color: var(--surface);
  border: 1px solid var(--card-border);
  border-radius: 28px;
  padding: 3.5rem;
  box-shadow: var(--card-shadow);
  position: relative;
  min-height: 480px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.form-group-full {
  grid-column: 1 / -1;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-label {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: -0.01em;
}

.form-control,
.form-select {
  padding: 0.85rem 1rem;
  border-radius: 10px;
  border: 1px solid #cbd5e1;
  font-family: inherit;
  font-size: 0.975rem;
  color: var(--text-main);
  outline: none;
  background-color: #ffffff;
  transition: var(--transition);
}

.form-control:focus,
.form-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.1);
}

.form-control::placeholder {
  color: #94a3b8;
}

textarea.form-control {
  min-height: 120px;
  resize: vertical;
}

/* Spinner Animation for loading state */
.btn-spinner {
  display: none;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: #ffffff;
  animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Form success overlay states */
.form-success-state {
  display: none;
  text-align: center;
  padding: 2rem;
  opacity: 0;
  transform: scale(0.95);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.form-success-state.active {
  display: flex;
  flex-direction: column;
  align-items: center;
  opacity: 1;
  transform: scale(1);
}

.success-icon-wrap {
  width: 80px;
  height: 80px;
  background-color: #ecfdf5;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--success);
  margin-bottom: 2rem;
  box-shadow: 0 10px 25px -5px rgba(16, 185, 129, 0.2);
}

.success-icon-wrap svg {
  width: 44px;
  height: 44px;
}

.form-success-state h3 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.form-success-state p {
  color: var(--text-muted);
  font-size: 1.1rem;
  max-width: 440px;
  line-height: 1.6;
}

/* CTA / Contact Section Callouts */
.cta {
  max-width: var(--max-width);
  margin: 8rem auto;
  padding: 0 2rem;
}

.cta-card {
  background: linear-gradient(135deg, var(--text-main) 0%, #1e293b 100%);
  color: #ffffff;
  border-radius: 32px;
  padding: 5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: 0 30px 60px -20px rgba(15, 23, 42, 0.3);
}

.cta-card h2 {
  font-size: 2.75rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.cta-card p {
  color: #94a3b8;
  font-size: 1.15rem;
  max-width: 500px;
  margin: 0 auto 3rem auto;
  font-weight: 300;
}

/* Footer Section */
footer {
  max-width: var(--max-width);
  margin: auto auto 0 auto;
  padding: 4rem 2rem;
  border-top: 1px solid var(--card-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-muted);
  font-size: 0.95rem;
  width: 100%;
}

/* Float Animation */
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-8px); }
}

.animated-graphic {
  animation: float 6s ease-in-out infinite;
}

/* Responsive Grid and layouts */
@media (max-width: 1024px) {
  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 3rem;
  }
  .hero-content p {
    margin-left: auto;
    margin-right: auto;
  }
  .hero-actions {
    justify-content: center;
  }
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .service-detail-block {
    grid-template-columns: 1fr;
    gap: 4rem;
    margin-bottom: 6rem;
  }
  .service-detail-block:nth-child(even) {
    direction: ltr;
  }
  .stats-container {
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
  }
  .about-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .team-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .case-grid {
    grid-template-columns: 1fr;
  }
  .contact-layout {
    grid-template-columns: 1fr;
    gap: 4rem;
  }
}

@media (max-width: 768px) {
  /* Header navigation mobile styling */
  .mobile-menu-toggle {
    display: block;
    z-index: 105;
  }
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background-color: var(--surface);
    flex-direction: column;
    padding: 6rem 2rem 2rem 2rem;
    box-shadow: -10px 0 30px rgba(0,0,0,0.05);
    transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    align-items: flex-start;
    gap: 2rem;
    z-index: 100;
  }
  .nav-links.active {
    right: 0;
  }
  .nav-links a.active::after {
    display: none;
  }
  
  /* hamburger transitions */
  .mobile-menu-toggle.open span:nth-child(1) {
    transform: translateY(7.5px) rotate(45deg);
  }
  .mobile-menu-toggle.open span:nth-child(2) {
    opacity: 0;
  }
  .mobile-menu-toggle.open span:nth-child(3) {
    transform: translateY(-7.5px) rotate(-45deg);
  }
}

@media (max-width: 640px) {
  .hero-content h1 {
    font-size: 2.5rem;
  }
  .page-header h1 {
    font-size: 2.25rem;
  }
  .services-grid {
    grid-template-columns: 1fr;
  }
  .stats-container {
    grid-template-columns: 1fr;
  }
  .team-grid {
    grid-template-columns: 1fr;
  }
  .form-grid {
    grid-template-columns: 1fr;
  }
  .cta-card {
    padding: 3rem 1.5rem;
  }
  .cta-card h2 {
    font-size: 2rem;
  }
  .contact-form-container {
    padding: 2rem;
  }
  footer {
    flex-direction: column;
    gap: 1.5rem;
    text-align: center;
  }
}