/* ============================================
   OUTSAIL - Corporate Website Styles
   Reliable by Design. Secure by Default.
   ============================================ */

/* CSS Variables */
:root {
  /* Primary Colors - Security-focused palette */
  --color-primary: #1a365d;
  --color-primary-dark: #0f2442;
  --color-primary-light: #2c5282;
  --color-secondary: #2b6cb0;
  --color-accent: #3182ce;
  
  /* Neutral Colors */
  --color-dark: #1a202c;
  --color-gray-900: #1a202c;
  --color-gray-800: #2d3748;
  --color-gray-700: #4a5568;
  --color-gray-600: #718096;
  --color-gray-500: #a0aec0;
  --color-gray-400: #cbd5e0;
  --color-gray-300: #e2e8f0;
  --color-gray-200: #edf2f7;
  --color-gray-100: #f7fafc;
  --color-white: #ffffff;
  
  /* Functional Colors */
  --color-success: #276749;
  --color-warning: #c05621;
  --color-error: #c53030;
  
  /* WhatsApp Green */
  --color-whatsapp: #25d366;
  --color-whatsapp-dark: #128c7e;
  
  /* Typography */
  --font-heading: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'IBM Plex Mono', 'Consolas', monospace;
  
  /* Font Sizes */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  
  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  
  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;
  
  /* Container */
  --container-max: 1200px;
  --container-padding: 1.5rem;
}

/* Google Fonts Import */
@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500&family=IBM+Plex+Sans:wght@300;400;500;600;700&display=swap');

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

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

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-gray-800);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.3;
  color: var(--color-gray-900);
}

h1 { font-size: var(--text-4xl); }
h2 { font-size: var(--text-3xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }
h5 { font-size: var(--text-lg); }
h6 { font-size: var(--text-base); }

p {
  margin-bottom: var(--space-4);
}

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

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

ul, ol {
  margin-left: var(--space-6);
  margin-bottom: var(--space-4);
}

li {
  margin-bottom: var(--space-2);
}

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

.section {
  padding: var(--space-16) 0;
}

.section-sm {
  padding: var(--space-12) 0;
}

.section-lg {
  padding: var(--space-24) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-12);
}

.section-title {
  margin-bottom: var(--space-4);
  position: relative;
}

.section-subtitle {
  font-size: var(--text-lg);
  color: var(--color-gray-600);
  max-width: 700px;
  margin: 0 auto;
}

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

.text-primary { color: var(--color-primary); }
.text-secondary { color: var(--color-secondary); }
.text-muted { color: var(--color-gray-600); }

.bg-light { background-color: var(--color-gray-100); }
.bg-dark { background-color: var(--color-primary-dark); color: var(--color-white); }
.bg-primary { background-color: var(--color-primary); color: var(--color-white); }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: var(--color-white);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-base);
}

.header.scrolled {
  box-shadow: var(--shadow-md);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-weight: 700;
  font-size: var(--text-xl);
  color: var(--color-primary);
  text-decoration: none;
}

.logo svg {
  width: 36px;
  height: 36px;
}

.logo:hover {
  color: var(--color-primary-dark);
}

/* Desktop Navigation */
.nav-desktop {
  display: none;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  list-style: none;
  margin: 0;
}

.nav-link {
  display: block;
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-gray-700);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-primary);
  background-color: var(--color-gray-100);
}

.nav-cta {
  margin-left: var(--space-4);
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  padding: 0;
  background: none;
  border: none;
  cursor: pointer;
  gap: 5px;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-gray-800);
  transition: all var(--transition-fast);
}

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

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

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

/* Mobile Navigation */
.nav-mobile {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--color-white);
  padding: var(--space-6);
  overflow-y: auto;
}

.nav-mobile.active {
  display: block;
  animation: fadeIn var(--transition-base);
}

.nav-mobile .nav-list {
  flex-direction: column;
  align-items: stretch;
  gap: var(--space-1);
}

.nav-mobile .nav-link {
  font-size: var(--text-lg);
  padding: var(--space-4);
  border-bottom: 1px solid var(--color-gray-200);
}

.nav-mobile .nav-cta {
  margin-left: 0;
  margin-top: var(--space-6);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  line-height: 1.5;
  text-decoration: none;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn svg {
  width: 18px;
  height: 18px;
}

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

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

.btn-secondary {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

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

.btn-whatsapp {
  background-color: var(--color-whatsapp);
  color: var(--color-white);
  border-color: var(--color-whatsapp);
}

.btn-whatsapp:hover {
  background-color: var(--color-whatsapp-dark);
  border-color: var(--color-whatsapp-dark);
  color: var(--color-white);
}

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
}

.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-xs);
}

.btn-block {
  width: 100%;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  position: relative;
  padding: calc(72px + var(--space-20)) 0 var(--space-20);
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 50%, var(--color-primary-light) 100%);
  color: var(--color-white);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 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-inner {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero-badge {
  display: inline-block;
  padding: var(--space-2) var(--space-4);
  background-color: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-xl);
  font-size: var(--text-sm);
  font-weight: 500;
  margin-bottom: var(--space-6);
  animation: fadeInUp 0.6s ease;
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: var(--space-6);
  color: var(--color-white);
  animation: fadeInUp 0.6s ease 0.1s both;
}

.hero-tagline {
  font-size: var(--text-xl);
  font-weight: 300;
  opacity: 0.9;
  margin-bottom: var(--space-8);
  animation: fadeInUp 0.6s ease 0.2s both;
}

.hero-description {
  font-size: var(--text-lg);
  opacity: 0.85;
  margin-bottom: var(--space-10);
  max-width: 600px;
  animation: fadeInUp 0.6s ease 0.3s both;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  animation: fadeInUp 0.6s ease 0.4s both;
}

/* ============================================
   CARDS
   ============================================ */
.card {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: var(--space-8);
  transition: all var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.card-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  background-color: var(--color-gray-100);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-5);
  color: var(--color-primary);
}

.card-icon svg {
  width: 28px;
  height: 28px;
}

.card-title {
  font-size: var(--text-lg);
  margin-bottom: var(--space-3);
}

.card-text {
  color: var(--color-gray-600);
  margin-bottom: 0;
}

/* Card Grid */
.card-grid {
  display: grid;
  gap: var(--space-6);
}

.card-grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.card-grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.card-grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

/* Value Card */
.value-card {
  text-align: center;
  padding: var(--space-8);
}

.value-card .card-icon {
  margin: 0 auto var(--space-5);
  background-color: var(--color-primary);
  color: var(--color-white);
}

/* Service Card */
.service-card {
  position: relative;
  border: 1px solid var(--color-gray-200);
  box-shadow: none;
}

.service-card:hover {
  border-color: var(--color-primary);
}

.service-card .card-title a {
  color: inherit;
  text-decoration: none;
}

.service-card .card-title a:hover {
  color: var(--color-primary);
}

/* ============================================
   GRID LAYOUTS
   ============================================ */
.grid {
  display: grid;
  gap: var(--space-8);
}

.grid-2 {
  grid-template-columns: 1fr;
}

.grid-3 {
  grid-template-columns: 1fr;
}

/* ============================================
   TIMELINE
   ============================================ */
.timeline {
  position: relative;
  padding-left: var(--space-8);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 12px;
  top: 0;
  bottom: 0;
  width: 2px;
  background-color: var(--color-gray-300);
}

.timeline-item {
  position: relative;
  padding-bottom: var(--space-8);
}

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

.timeline-marker {
  position: absolute;
  left: calc(-1 * var(--space-8) + 4px);
  top: 4px;
  width: 18px;
  height: 18px;
  background-color: var(--color-primary);
  border: 3px solid var(--color-white);
  border-radius: 50%;
  box-shadow: 0 0 0 3px var(--color-primary);
}

.timeline-phase {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  background-color: var(--color-primary);
  color: var(--color-white);
  font-size: var(--text-xs);
  font-weight: 600;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-2);
}

.timeline-title {
  font-size: var(--text-lg);
  margin-bottom: var(--space-2);
}

.timeline-duration {
  font-size: var(--text-sm);
  color: var(--color-gray-600);
  margin-bottom: var(--space-3);
}

.timeline-content {
  background-color: var(--color-gray-100);
  padding: var(--space-4);
  border-radius: var(--radius-md);
}

.timeline-content h5 {
  font-size: var(--text-sm);
  margin-bottom: var(--space-2);
}

.timeline-content ul {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--color-gray-700);
}

/* ============================================
   ACCORDION
   ============================================ */
.accordion {
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.accordion-item {
  border-bottom: 1px solid var(--color-gray-200);
}

.accordion-item:last-child {
  border-bottom: none;
}

.accordion-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--space-5) var(--space-6);
  background-color: var(--color-white);
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-gray-800);
  transition: background-color var(--transition-fast);
}

.accordion-header:hover {
  background-color: var(--color-gray-50);
}

.accordion-icon {
  width: 20px;
  height: 20px;
  color: var(--color-gray-500);
  transition: transform var(--transition-fast);
}

.accordion-item.active .accordion-icon {
  transform: rotate(180deg);
}

.accordion-content {
  display: none;
  padding: 0 var(--space-6) var(--space-6);
}

.accordion-item.active .accordion-content {
  display: block;
  animation: fadeIn var(--transition-base);
}

/* ============================================
   TABLES
   ============================================ */
.table-wrapper {
  overflow-x: auto;
  margin: var(--space-6) 0;
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}

.table th,
.table td {
  padding: var(--space-4);
  text-align: left;
  border-bottom: 1px solid var(--color-gray-200);
}

.table th {
  background-color: var(--color-gray-100);
  font-weight: 600;
  color: var(--color-gray-800);
  white-space: nowrap;
}

.table tbody tr:hover {
  background-color: var(--color-gray-50);
}

/* ============================================
   TAGS & BADGES
   ============================================ */
.tag {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  background-color: var(--color-gray-100);
  color: var(--color-gray-700);
  font-size: var(--text-xs);
  font-weight: 500;
  border-radius: var(--radius-sm);
}

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

.tag-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

/* ============================================
   TECH STACK SECTION
   ============================================ */
.tech-category {
  margin-bottom: var(--space-10);
}

.tech-category-title {
  font-size: var(--text-lg);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-2);
  border-bottom: 2px solid var(--color-primary);
  display: inline-block;
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: var(--space-4);
}

.tech-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 500;
  transition: all var(--transition-fast);
}

.tech-item:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.tech-item svg {
  width: 24px;
  height: 24px;
  color: var(--color-primary);
}

/* Tech Filter */
.tech-filter {
  margin-bottom: var(--space-8);
}

.tech-search {
  width: 100%;
  max-width: 400px;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-base);
  border: 2px solid var(--color-gray-300);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast);
}

.tech-search:focus {
  outline: none;
  border-color: var(--color-primary);
}

.tech-item.hidden {
  display: none;
}

/* ============================================
   INDUSTRY CARDS
   ============================================ */
.industry-card {
  padding: var(--space-8);
  border-left: 4px solid var(--color-primary);
}

.industry-card h3 {
  margin-bottom: var(--space-4);
}

.industry-card h4 {
  font-size: var(--text-base);
  color: var(--color-gray-700);
  margin: var(--space-5) 0 var(--space-3);
}

.industry-card ul {
  margin-bottom: 0;
}

/* ============================================
   ENGAGEMENT MODEL CARDS
   ============================================ */
.model-card {
  height: 100%;
}

.model-card h3 {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.model-badge {
  padding: var(--space-1) var(--space-2);
  background-color: var(--color-gray-100);
  font-size: var(--text-xs);
  font-weight: 500;
  border-radius: var(--radius-sm);
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact-info {
  background-color: var(--color-gray-100);
  padding: var(--space-8);
  border-radius: var(--radius-lg);
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

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

.contact-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background-color: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-md);
  flex-shrink: 0;
}

.contact-icon svg {
  width: 24px;
  height: 24px;
}

.contact-label {
  font-size: var(--text-sm);
  color: var(--color-gray-600);
  margin-bottom: var(--space-1);
}

.contact-value {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-gray-900);
}

.contact-value a {
  color: inherit;
}

.contact-value a:hover {
  color: var(--color-primary);
}

/* Steps */
.steps {
  counter-reset: step;
}

.step {
  position: relative;
  padding-left: var(--space-16);
  padding-bottom: var(--space-8);
}

.step:last-child {
  padding-bottom: 0;
}

.step::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 40px;
  height: 40px;
  background-color: var(--color-primary);
  color: var(--color-white);
  font-weight: 600;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.step h4 {
  margin-bottom: var(--space-2);
}

.step p {
  color: var(--color-gray-600);
  margin-bottom: 0;
}

/* ============================================
   FLOATING WHATSAPP BUTTON
   ============================================ */
.whatsapp-float {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  z-index: 999;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  background-color: var(--color-whatsapp);
  color: var(--color-white);
  text-decoration: none;
  border-radius: 50px;
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-base);
}

.whatsapp-float:hover {
  background-color: var(--color-whatsapp-dark);
  color: var(--color-white);
  transform: scale(1.05);
}

.whatsapp-float svg {
  width: 28px;
  height: 28px;
}

.whatsapp-float span {
  display: none;
  font-weight: 500;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background-color: var(--color-primary-dark);
  color: var(--color-white);
  padding: var(--space-16) 0 var(--space-8);
}

.footer-grid {
  display: grid;
  gap: var(--space-10);
  margin-bottom: var(--space-12);
}

.footer-brand {
  max-width: 300px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-weight: 700;
  font-size: var(--text-xl);
  color: var(--color-white);
  text-decoration: none;
  margin-bottom: var(--space-4);
}

.footer-logo svg {
  width: 32px;
  height: 32px;
}

.footer-tagline {
  font-size: var(--text-sm);
  opacity: 0.8;
}

.footer-heading {
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-5);
  color: var(--color-gray-400);
}

.footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-links li {
  margin-bottom: var(--space-3);
}

.footer-links a {
  color: rgba(255, 255, 255, 0.8);
  font-size: var(--text-sm);
  transition: color var(--transition-fast);
}

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

.footer-contact p {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
  font-size: var(--text-sm);
  opacity: 0.9;
}

.footer-contact svg {
  width: 18px;
  height: 18px;
  opacity: 0.7;
}

.footer-bottom {
  padding-top: var(--space-8);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-4);
  font-size: var(--text-sm);
  opacity: 0.7;
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

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

/* ============================================
   RESPONSIVE STYLES
   ============================================ */

/* Tablet and up */
@media (min-width: 768px) {
  h1 { font-size: var(--text-5xl); }
  
  .grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }
  
  .whatsapp-float span {
    display: block;
  }
}

/* Desktop */
@media (min-width: 1024px) {
  .nav-desktop {
    display: flex;
  }
  
  .menu-toggle {
    display: none;
  }
  
  .nav-mobile {
    display: none !important;
  }
  
  .hero {
    padding: calc(72px + var(--space-24)) 0 var(--space-24);
  }
  
  .hero-inner {
    max-width: 700px;
  }
}

/* ============================================
   PAGE-SPECIFIC STYLES
   ============================================ */

/* Page Header */
.page-header {
  padding: calc(72px + var(--space-16)) 0 var(--space-12);
  background-color: var(--color-primary-dark);
  color: var(--color-white);
}

.page-header h1 {
  color: var(--color-white);
  margin-bottom: var(--space-4);
}

.page-header p {
  font-size: var(--text-lg);
  opacity: 0.85;
  max-width: 600px;
}

/* Breadcrumb */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  margin-bottom: var(--space-6);
  opacity: 0.8;
}

.breadcrumb a {
  color: inherit;
  text-decoration: underline;
}

.breadcrumb span {
  opacity: 0.6;
}

/* Content Sections */
.content-section {
  padding: var(--space-12) 0;
  border-bottom: 1px solid var(--color-gray-200);
}

.content-section:last-child {
  border-bottom: none;
}

.content-section h2 {
  margin-bottom: var(--space-6);
}

.content-section h3 {
  margin: var(--space-8) 0 var(--space-4);
}

.content-section h3:first-child {
  margin-top: 0;
}

/* Feature List */
.feature-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.feature-list li {
  position: relative;
  padding-left: var(--space-8);
  margin-bottom: var(--space-3);
}

.feature-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 16px;
  height: 16px;
  background-color: var(--color-primary);
  mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='currentColor'%3E%3Cpath fill-rule='evenodd' d='M16.707 5.293a1 1 0 010 1.414l-8 8a1 1 0 01-1.414 0l-4-4a1 1 0 011.414-1.414L8 12.586l7.293-7.293a1 1 0 011.414 0z' clip-rule='evenodd'/%3E%3C/svg%3E");
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='currentColor'%3E%3Cpath fill-rule='evenodd' d='M16.707 5.293a1 1 0 010 1.414l-8 8a1 1 0 01-1.414 0l-4-4a1 1 0 011.414-1.414L8 12.586l7.293-7.293a1 1 0 011.414 0z' clip-rule='evenodd'/%3E%3C/svg%3E");
}

/* CTA Section */
.cta-section {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-white);
  text-align: center;
  padding: var(--space-16) 0;
}

.cta-section h2 {
  color: var(--color-white);
  margin-bottom: var(--space-4);
}

.cta-section p {
  font-size: var(--text-lg);
  opacity: 0.9;
  margin-bottom: var(--space-8);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-4);
}

/* About/Info Cards on Homepage */
.about-preview {
  display: grid;
  gap: var(--space-8);
}

.about-text p:last-child {
  margin-bottom: 0;
}

/* Security Page Specific */
.security-principle {
  display: flex;
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}

.security-principle:last-child {
  margin-bottom: 0;
}

.security-number {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-primary);
  color: var(--color-white);
  font-weight: 700;
  font-size: var(--text-lg);
  border-radius: var(--radius-md);
}

.security-content h4 {
  margin-bottom: var(--space-2);
}

.security-content p {
  color: var(--color-gray-600);
  margin-bottom: 0;
}

/* Note Box */
.note-box {
  background-color: var(--color-gray-100);
  border-left: 4px solid var(--color-primary);
  padding: var(--space-5);
  margin: var(--space-6) 0;
  font-size: var(--text-sm);
}

.note-box p {
  margin-bottom: 0;
}

/* Helper Text */
.helper-text {
  font-size: var(--text-sm);
  color: var(--color-gray-600);
  font-style: italic;
  margin-top: var(--space-4);
}

/* Why Choose List */
.why-choose-grid {
  display: grid;
  gap: var(--space-6);
}

.why-item {
  display: flex;
  gap: var(--space-4);
}

.why-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-md);
}

.why-icon svg {
  width: 20px;
  height: 20px;
}

.why-content h4 {
  margin-bottom: var(--space-2);
}

.why-content p {
  color: var(--color-gray-600);
  margin-bottom: 0;
  font-size: var(--text-sm);
}

@media (min-width: 768px) {
  .about-preview {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
  
  .why-choose-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Print Styles */
@media print {
  .header,
  .footer,
  .whatsapp-float,
  .btn {
    display: none !important;
  }
  
  .hero {
    background: none;
    color: var(--color-dark);
    padding: var(--space-8) 0;
  }
  
  .hero-title {
    color: var(--color-dark);
  }
}