/* ============================================
   ClarityIoT Website - Professional Stylesheet
   Industrial IoT Solutions Architect
   ============================================ */

/* CSS Variables */
:root {
  /* Primary Colors - Professional Blue/Teal */
  --color-primary: #0a4d68;
  --color-primary-light: #0d6e8a;
  --color-primary-dark: #063a4f;

  /* Secondary/Accent - Teal */
  --color-accent: #05a8aa;
  --color-accent-light: #07c5c7;
  --color-accent-dark: #048789;

  /* Neutrals */
  --color-dark: #1a1a2e;
  --color-dark-lighter: #252542;
  --color-text: #2d3748;
  --color-text-light: #4a5568;
  --color-text-muted: #718096;
  --color-light: #f7fafc;
  --color-white: #ffffff;
  --color-border: #e2e8f0;
  --color-border-light: #edf2f7;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  --gradient-accent: linear-gradient(135deg, var(--color-accent-dark) 0%, var(--color-accent) 100%);
  --gradient-dark: linear-gradient(135deg, var(--color-dark) 0%, var(--color-dark-lighter) 100%);
  --gradient-hero: linear-gradient(135deg, var(--color-dark) 0%, var(--color-primary-dark) 50%, var(--color-primary) 100%);

  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 6rem;

  /* Container */
  --container-max: 1200px;
  --container-narrow: 900px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07), 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1), 0 4px 6px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1), 0 10px 10px rgba(0, 0, 0, 0.04);

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

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

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

body {
  font-family: var(--font-primary);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-accent);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.3;
  color: var(--color-dark);
}

h1 {
  font-size: 2.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 2.25rem;
  letter-spacing: -0.01em;
}

h3 {
  font-size: 1.5rem;
}

h4 {
  font-size: 1.25rem;
}

p {
  margin-bottom: 1rem;
}

p:last-child {
  margin-bottom: 0;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.container-narrow {
  max-width: var(--container-narrow);
}

/* ============================================
   Navigation
   ============================================ */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(26, 26, 46, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  transition: background var(--transition-normal), box-shadow var(--transition-normal);
}

.navbar.scrolled {
  background: rgba(26, 26, 46, 0.98);
  box-shadow: var(--shadow-lg);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-sm) var(--spacing-md);
  max-width: var(--container-max);
  margin: 0 auto;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.nav-logo img {
  height: 40px;
  width: auto;
}

.nav-logo-text {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-white);
  letter-spacing: -0.01em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  list-style: none;
}

.nav-links a {
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.95rem;
  font-weight: 500;
  padding: var(--spacing-xs) 0;
  position: relative;
  transition: color var(--transition-fast);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition-normal);
}

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

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

.nav-cta {
  background: var(--gradient-accent);
  color: var(--color-white) !important;
  padding: var(--spacing-xs) var(--spacing-md) !important;
  border-radius: var(--radius-md);
  font-weight: 500;
}

.nav-cta::after {
  display: none !important;
}

.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(5, 168, 170, 0.4);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
}

.mobile-menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-white);
  transition: transform var(--transition-normal), opacity var(--transition-normal);
}

/* ============================================
   Hero Section
   ============================================ */

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.5;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero-badge {
  display: inline-block;
  background: rgba(5, 168, 170, 0.2);
  color: var(--color-accent-light);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: var(--spacing-lg);
  border: 1px solid rgba(5, 168, 170, 0.3);
}

.hero h1 {
  color: var(--color-white);
  font-size: 3.5rem;
  margin-bottom: var(--spacing-md);
  line-height: 1.1;
}

.hero-subtitle {
  color: rgba(255, 255, 255, 0.85);
  font-size: 1.35rem;
  line-height: 1.6;
  margin-bottom: var(--spacing-xl);
  max-width: 650px;
}

.hero-cta {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

/* ============================================
   Buttons
   ============================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-lg);
  font-family: var(--font-primary);
  font-size: 1rem;
  font-weight: 500;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--transition-normal);
  text-decoration: none;
}

.btn-primary {
  background: var(--gradient-accent);
  color: var(--color-white);
  box-shadow: 0 4px 14px rgba(5, 168, 170, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(5, 168, 170, 0.5);
  color: var(--color-white);
}

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

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.5);
  color: var(--color-white);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

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

.btn-light {
  background: var(--color-white);
  color: var(--color-primary);
}

.btn-light:hover {
  background: var(--color-light);
  color: var(--color-primary);
  transform: translateY(-2px);
}

.btn-lg {
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: 1.1rem;
}

.btn-sm {
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: 0.9rem;
}

/* ============================================
   Sections
   ============================================ */

section {
  padding: var(--spacing-3xl) 0;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--spacing-2xl);
}

.section-header h2 {
  margin-bottom: var(--spacing-md);
}

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

.section-light {
  background: var(--color-light);
}

.section-dark {
  background: var(--gradient-dark);
  color: var(--color-white);
}

.section-dark h2,
.section-dark h3,
.section-dark h4 {
  color: var(--color-white);
}

.section-dark p {
  color: rgba(255, 255, 255, 0.85);
}

/* ============================================
   Value Propositions / Features
   ============================================ */

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.feature-card {
  background: var(--color-white);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  border: 1px solid var(--color-border-light);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.feature-icon {
  width: 56px;
  height: 56px;
  background: var(--gradient-accent);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-md);
}

.feature-icon svg {
  width: 28px;
  height: 28px;
  color: var(--color-white);
}

.feature-card h3 {
  margin-bottom: var(--spacing-sm);
  font-size: 1.25rem;
}

.feature-card p {
  color: var(--color-text-light);
  font-size: 0.95rem;
}

/* ============================================
   Content Sections
   ============================================ */

.content-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: center;
}

.content-section.reverse {
  direction: rtl;
}

.content-section.reverse > * {
  direction: ltr;
}

.content-text h2 {
  margin-bottom: var(--spacing-md);
}

.content-text p {
  color: var(--color-text-light);
  margin-bottom: var(--spacing-md);
}

.content-visual {
  position: relative;
}

.content-visual-card {
  background: var(--gradient-primary);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  color: var(--color-white);
  position: relative;
  overflow: hidden;
}

.content-visual-card::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
}

/* ============================================
   Technology / Capabilities
   ============================================ */

.capabilities-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
}

.capability-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  border: 1px solid var(--color-border);
  transition: all var(--transition-normal);
}

.capability-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-lg);
}

.capability-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.capability-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.capability-icon svg {
  width: 24px;
  height: 24px;
  color: var(--color-white);
}

.capability-card h3 {
  font-size: 1.125rem;
}

.capability-card ul {
  list-style: none;
  margin-top: var(--spacing-md);
}

.capability-card li {
  padding: var(--spacing-xs) 0;
  padding-left: var(--spacing-md);
  position: relative;
  color: var(--color-text-light);
  font-size: 0.95rem;
}

.capability-card li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  border-radius: 50%;
}

/* ============================================
   Stats / Highlights
   ============================================ */

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

.stat-item {
  text-align: center;
  padding: var(--spacing-lg);
}

.stat-value {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: var(--spacing-xs);
}

.stat-label {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

/* ============================================
   Values / Core Principles
   ============================================ */

.values-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--spacing-md);
}

.value-item {
  text-align: center;
  padding: var(--spacing-lg);
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: all var(--transition-normal);
}

.value-item:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-4px);
}

.value-icon {
  width: 48px;
  height: 48px;
  background: var(--gradient-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-md);
}

.value-icon svg {
  width: 24px;
  height: 24px;
  color: var(--color-white);
}

.value-item h4 {
  margin-bottom: var(--spacing-xs);
  font-size: 1rem;
}

.value-item p {
  font-size: 0.875rem;
  opacity: 0.8;
}

/* ============================================
   Approach / Two-Column
   ============================================ */

.approach-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-xl);
}

.approach-card {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border-light);
  position: relative;
  overflow: hidden;
}

.approach-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-accent);
}

.approach-card h3 {
  margin-bottom: var(--spacing-md);
  color: var(--color-primary);
}

.approach-card p {
  color: var(--color-text-light);
}

/* ============================================
   Page Headers
   ============================================ */

.page-header {
  background: var(--gradient-hero);
  padding: calc(80px + var(--spacing-3xl)) 0 var(--spacing-3xl);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.5;
}

.page-header .container {
  position: relative;
  z-index: 1;
}

.page-header h1 {
  color: var(--color-white);
  margin-bottom: var(--spacing-md);
}

.page-header p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 1.25rem;
  max-width: 600px;
  margin: 0 auto;
}

/* ============================================
   Contact Form
   ============================================ */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--spacing-2xl);
}

.contact-info h3 {
  margin-bottom: var(--spacing-md);
  color: var(--color-primary);
}

.contact-info p {
  color: var(--color-text-light);
  margin-bottom: var(--spacing-lg);
}

.contact-details {
  list-style: none;
}

.contact-details li {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md) 0;
  border-bottom: 1px solid var(--color-border-light);
}

.contact-details li:last-child {
  border-bottom: none;
}

.contact-details svg {
  width: 24px;
  height: 24px;
  color: var(--color-accent);
  flex-shrink: 0;
}

.contact-details span {
  color: var(--color-text);
}

.contact-form-wrapper {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border-light);
}

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
}

.form-group label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 500;
  color: var(--color-text);
  font-size: 0.95rem;
}

.form-group label .required {
  color: #e53e3e;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: var(--spacing-sm);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: var(--font-primary);
  font-size: 1rem;
  color: var(--color-text);
  background: var(--color-white);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(5, 168, 170, 0.1);
}

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

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%234a5568' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

.form-submit {
  margin-top: var(--spacing-lg);
}

.form-submit .btn {
  width: 100%;
}

.form-note {
  text-align: center;
  margin-top: var(--spacing-md);
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

/* ============================================
   Solutions (Coming Soon)
   ============================================ */

.solutions-coming {
  text-align: center;
  padding: var(--spacing-3xl) 0;
}

.solutions-coming-icon {
  width: 80px;
  height: 80px;
  background: var(--gradient-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-lg);
}

.solutions-coming-icon svg {
  width: 40px;
  height: 40px;
  color: var(--color-white);
}

.solutions-coming h2 {
  margin-bottom: var(--spacing-md);
}

.solutions-coming p {
  color: var(--color-text-light);
  max-width: 700px;
  margin: 0 auto var(--spacing-lg);
  font-size: 1.1rem;
}

.solutions-coming .btn-group {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* ============================================
   Footer
   ============================================ */

.footer {
  background: var(--color-dark);
  color: var(--color-white);
  padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.7);
  margin-top: var(--spacing-md);
  font-size: 0.95rem;
}

.footer-links h4 {
  color: var(--color-white);
  font-size: 1rem;
  margin-bottom: var(--spacing-md);
}

.footer-links ul {
  list-style: none;
}

.footer-links li {
  margin-bottom: var(--spacing-xs);
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.95rem;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-accent);
}

.footer-bottom {
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.875rem;
}

.footer-logo {
  height: 32px;
}

/* ============================================
   Responsive Design
   ============================================ */

@media (max-width: 1024px) {
  h1 {
    font-size: 2.25rem;
  }

  h2 {
    font-size: 1.875rem;
  }

  .hero h1 {
    font-size: 2.75rem;
  }

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

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

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

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

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

@media (max-width: 768px) {
  section {
    padding: var(--spacing-2xl) 0;
  }

  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.5rem;
  }

  .hero {
    min-height: auto;
    padding: calc(80px + var(--spacing-2xl)) 0 var(--spacing-2xl);
  }

  .hero h1 {
    font-size: 2.25rem;
  }

  .hero-subtitle {
    font-size: 1.125rem;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(26, 26, 46, 0.98);
    flex-direction: column;
    padding: var(--spacing-md);
    gap: var(--spacing-sm);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
  }

  .nav-links.active {
    display: flex;
  }

  .nav-links a {
    padding: var(--spacing-sm);
  }

  .mobile-menu-toggle {
    display: flex;
  }

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

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

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

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

  .content-section {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }

  .content-section.reverse {
    direction: ltr;
  }

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

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

  .form-row {
    grid-template-columns: 1fr;
  }

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

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

  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--spacing-md);
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.875rem;
  }

  .hero-cta {
    flex-direction: column;
  }

  .hero-cta .btn {
    width: 100%;
  }

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

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

  .solutions-coming .btn-group {
    flex-direction: column;
  }

  .solutions-coming .btn-group .btn {
    width: 100%;
  }
}

/* ============================================
   Utility Classes
   ============================================ */

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

.text-left {
  text-align: left;
}

.text-right {
  text-align: right;
}

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }

.hidden {
  display: none !important;
}

/* Animation Classes */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Link Styles */
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-weight: 500;
}

.link-arrow svg {
  width: 16px;
  height: 16px;
  transition: transform var(--transition-fast);
}

.link-arrow:hover svg {
  transform: translateX(4px);
}