/* NorthGate STL - Enhanced Main CSS */
:root {
    /* Colors */
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary: #10b981;
    --secondary-dark: #059669;
    --accent: #f59e0b;
    --accent-dark: #d97706;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
    --gradient-secondary: linear-gradient(135deg, #10b981 0%, #059669 100%);
    --gradient-accent: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    --gradient-bg: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    
    /* Glass morphism */
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* 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);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    /* Border radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-normal: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: #f8fafc;
    background: var(--gradient-bg);
    min-height: 100vh;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: #f8fafc;
}

h1 { font-size: var(--font-size-5xl); }
h2 { font-size: var(--font-size-4xl); }
h3 { font-size: var(--font-size-3xl); }
h4 { font-size: var(--font-size-2xl); }
h5 { font-size: var(--font-size-xl); }
h6 { font-size: var(--font-size-lg); }

p {
    margin-bottom: var(--spacing-md);
    color: #94a3b8;
}

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

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

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(30, 41, 59, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    transition: var(--transition-normal);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: #f8fafc;
}

.nav-brand i {
    font-size: var(--font-size-2xl);
    color: var(--primary);
}

.nav-menu {
    display: flex;
    gap: var(--spacing-xl);
}

.nav-link {
    font-weight: 500;
    color: #cbd5e1;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.nav-link:hover {
    background: var(--glass-bg);
    color: var(--primary);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: #f8fafc;
    transition: var(--transition-fast);
}

/* Hero Section */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: var(--spacing-3xl) 0;
    background: var(--gradient-bg);
    position: relative;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.bg-circle {
    position: absolute;
    border-radius: 50%;
    opacity: 0.1;
    animation: float 15s infinite ease-in-out;
}

.circle-1 {
    width: 300px;
    height: 300px;
    background: linear-gradient(45deg, #3b82f6, #10b981);
    top: -150px;
    right: -100px;
    animation-delay: 0s;
}

.circle-2 {
    width: 200px;
    height: 200px;
    background: linear-gradient(45deg, #f59e0b, #ef4444);
    bottom: -100px;
    left: 20%;
    animation-delay: -5s;
}

.circle-3 {
    width: 250px;
    height: 250px;
    background: linear-gradient(45deg, #8b5cf6, #ec4899);
    top: 50%;
    right: 10%;
    animation-delay: -10s;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(5deg); }
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 40px;
    position: relative;
    z-index: 1;
}

.hero-content {
    flex: 1;
    max-width: 600px;
    color: white;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
}

.gradient-text {
    background: linear-gradient(135deg, #3b82f6 0%, #10b981 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.6;
}

.hero-stats {
    display: flex;
    gap: 30px;
    margin: 40px 0;
}

.stat {
    text-align: center;
    padding: 20px;
    border-radius: 16px;
    background: rgba(30, 41, 59, 0.7);
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.05);
    flex: 1;
}

.stat:hover {
    transform: translateY(-5px);
    background: rgba(37, 99, 235, 0.15);
    border-color: rgba(37, 99, 235, 0.3);
    box-shadow: 0 10px 25px rgba(37, 99, 235, 0.2);
}

.stat-number,
.stat-number-static {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 8px;
    background: linear-gradient(90deg, #60a5fa, #34d399);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    transition: all 0.3s ease;
}

.stat:hover .stat-number,
.stat:hover .stat-number-static {
    transform: scale(1.1);
}

}

.stat-label {
    font-size: 0.9rem;
    color: #94a3b8;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
}

.stat:hover .stat-label {
    color: #3b82f6;
}

.hero-actions {
    display: flex;
    gap: 20px;
    margin-top: 30px;
}

.hero-visual {
    flex: 1;
    display: flex;
    justify-content: flex-end;
}

.floating-card {
    background: rgba(30, 41, 59, 0.95);
    border-radius: 20px;
    padding: 25px;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.4);
    width: 100%;
    max-width: 380px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.floating-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.5);
}

/* Map Preview Styles */
.map-preview {
    text-align: center;
    padding: 20px;
}

.map-preview h4 {
    margin-bottom: 15px;
    color: #f8fafc;
    font-weight: 600;
}

.mini-map {
    margin-bottom: 20px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.animated-map {
    width: 100%;
    height: 200px;
    border-radius: 8px;
    overflow: hidden;
}

.map-dot {
    fill: #3b82f6;
    stroke: white;
    stroke-width: 2;
    cursor: pointer;
    transition: all 0.3s ease;
}

.map-dot:hover {
    transform: scale(1.2);
    filter: drop-shadow(0 0 8px rgba(59, 130, 246, 0.8));
}

.phase-1 { fill: #10b981; }
.phase-2 { fill: #3b82f6; }
.phase-3 { fill: #f59e0b; }
.phase-4 { fill: #8b5cf6; }

.pulse-dot {
    animation: pulse 3s infinite ease-in-out;
}

@keyframes pulse {
    0%, 100% { opacity: 0.1; r: 80; }
    50% { opacity: 0.2; r: 85; }
}

/* Buttons */
.btn-primary, .btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 16px 32px;
    border: none;
    border-radius: 50px;
    font-size: var(--font-size-base);
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(90deg, #2563eb, #3b82f6);
    color: white;
    box-shadow: var(--shadow-lg);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(37, 99, 235, 0.4);
    color: white;
}

.btn-secondary {
    background: transparent;
    color: #3b82f6;
    border: 2px solid #3b82f6;
}

.btn-secondary:hover {
    background: rgba(37, 99, 235, 0.1);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(37, 99, 235, 0.2);
    color: #3b82f6;
}

.btn-small {
    padding: 10px 20px !important;
    font-size: 0.9rem !important;
}

/* Responsive design for mobile */
@media (max-width: 968px) {
    .hero-container {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-content, .hero-visual {
        max-width: 100%;
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
        flex-direction: column;
        gap: 20px;
    }
    
    .stat {
        max-width: 250px;
        margin: 0 auto;
    }
    
    .hero-actions {
        justify-content: center;
        flex-direction: column;
        align-items: center;
    }
    
    .hero-actions .btn-secondary,
    .hero-actions .btn-primary {
        width: 100%;
        max-width: 280px;
    }
    
    .nav-menu {
        display: none;
    }
    
    .nav-toggle {
        display: flex;
    }
}

@media (max-width: 640px) {
    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }
    
    .hero-title {
        font-size: 2.2rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
}

/* Sections */
.section-title {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    color: white;
}

.section-subtitle {
    text-align: center;
    font-size: var(--font-size-xl);
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-3xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.phases-section, .impact-section, .tools-section, .contact-section {
    padding: var(--spacing-3xl) 0;
    position: relative;
}

/* Phase Cards */
.phases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-3xl);
}

.phase-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-xl);
    box-shadow: var(--glass-shadow);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

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

.phase-card[data-phase="1"]::before { background: var(--gradient-secondary); }
.phase-card[data-phase="2"]::before { background: var(--gradient-primary); }
.phase-card[data-phase="3"]::before { background: var(--gradient-accent); }
.phase-card[data-phase="4"]::before { background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%); }

.phase-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

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

.phase-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-2xl);
    color: white;
}

.phase-card[data-phase="1"] .phase-icon { background: var(--gradient-secondary); }
.phase-card[data-phase="2"] .phase-icon { background: var(--gradient-primary); }
.phase-card[data-phase="3"] .phase-icon { background: var(--gradient-accent); }
.phase-card[data-phase="4"] .phase-icon { background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%); }

.phase-info h3 {
    color: white;
    margin-bottom: var(--spacing-sm);
}

.phase-location {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.7);
    font-family: 'Courier New', monospace;
}

.phase-metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

.metric {
    text-align: center;
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
}

.metric-value {
    display: block;
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: white;
    margin-bottom: var(--spacing-xs);
}

.metric-label {
    font-size: var(--font-size-xs);
    color: rgba(255, 255, 255, 0.7);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.phase-description {
    margin: var(--spacing-lg) 0;
}

.phase-description p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

.phase-actions {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.btn-phase, .btn-earth, .btn-tool {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.1);
    color: white;
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
    text-decoration: none;
}

.btn-phase:hover, .btn-earth:hover, .btn-tool:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
    color: white;
}

/* Impact Section */
.impact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-3xl);
}

.impact-card {
    text-align: center;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--glass-shadow);
    transition: var(--transition-normal);
}

.impact-card:hover {
    transform: translateY(-5px);
}

.impact-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-lg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-3xl);
    color: white;
    background: var(--gradient-primary);
}

.impact-card:nth-child(2) .impact-icon { background: var(--gradient-secondary); }
.impact-card:nth-child(3) .impact-icon { background: var(--gradient-accent); }
.impact-card:nth-child(4) .impact-icon { background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%); }

.impact-card h3 {
    color: white;
    margin-bottom: var(--spacing-lg);
}

.impact-stat {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    color: white;
    margin-bottom: var(--spacing-lg);
}

.impact-card p {
    color: rgba(255, 255, 255, 0.8);
}

.impact-visualization {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--glass-shadow);
}

/* Tools Section */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.tool-card {
    text-align: center;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--glass-shadow);
    transition: var(--transition-normal);
}

.tool-card:hover {
    transform: translateY(-5px);
}

.tool-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-lg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-3xl);
    color: white;
    background: var(--gradient-primary);
}

.tool-card:nth-child(2) .tool-icon { background: var(--gradient-secondary); }
.tool-card:nth-child(3) .tool-icon { background: var(--gradient-accent); }

.tool-card h3 {
    color: white;
    margin-bottom: var(--spacing-lg);
}

.tool-card p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-xl);
}

/* Contact Section */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    max-width: 800px;
    margin: 0 auto;
}

.contact-info, .catalyst-locations {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--glass-shadow);
}

.contact-info h3, .catalyst-locations h3 {
    color: white;
    margin-bottom: var(--spacing-xl);
}

.contact-item, .catalyst-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    color: rgba(255, 255, 255, 0.9);
}

.contact-item i, .catalyst-item i {
    width: 20px;
    color: var(--primary);
}

.contact-item a {
    color: rgba(255, 255, 255, 0.9);
}

.contact-item a:hover {
    color: white;
}

.catalyst-item div {
    display: flex;
    flex-direction: column;
}

.catalyst-item strong {
    color: white;
    margin-bottom: var(--spacing-xs);
}

.catalyst-item span {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.7);
    font-family: 'Courier New', monospace;
}

/* Footer */
.footer {
    background: rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(20px);
    border-top: 1px solid var(--glass-border);
    padding: var(--spacing-2xl) 0;
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: white;
}

.footer-brand i {
    font-size: var(--font-size-2xl);
    color: var(--primary);
}

.footer-links {
    display: flex;
    gap: var(--spacing-xl);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
    transition: var(--transition-fast);
}

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

.footer-social p {
    color: rgba(255, 255, 255, 0.6);
    margin: 0;
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.d-flex { display: flex; }
.d-grid { display: grid; }
.d-none { display: none; }

.align-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }

.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }
.gap-xl { gap: var(--spacing-xl); }

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

.p-sm { padding: var(--spacing-sm); }
.p-md { padding: var(--spacing-md); }
.p-lg { padding: var(--spacing-lg); }
.p-xl { padding: var(--spacing-xl); }
/* === Interactive Map Animations (self-contained) === */
.animated-map {
  width: 100%;
  height: auto;
  display: block;
  filter: drop-shadow(0 8px 30px rgba(2, 8, 23, 0.35));
}

/* Soft pulsing halo */
.animated-map .pulse-dot {
  transform-box: fill-box;
  transform-origin: center;
  animation: pulseScale 3s ease-in-out infinite;
  fill: #3b82f6;         /* blue */
  opacity: 0.12;
}
@keyframes pulseScale {
  0%, 100% { transform: scale(1);   opacity: 0.10; }
  50%      { transform: scale(1.12); opacity: 0.22; }
}

/* Phase dots: gentle throb + glow */
.map-dot {
  transform-box: fill-box;
  transform-origin: center;
  cursor: pointer;
  stroke: #fff;
  stroke-width: 2;
  filter: drop-shadow(0 0 10px rgba(255,255,255,0.25));
  animation: throb 2.4s ease-in-out infinite;
}
@keyframes throb {
  0%, 100% { transform: scale(1); }
  50%      { transform: scale(1.15); }
}

/* Distinct colors per phase */
.map-dot.phase-1 { fill: #34d399; } /* emerald */
.map-dot.phase-2 { fill: #60a5fa; } /* blue   */
.map-dot.phase-3 { fill: #f59e0b; } /* amber  */
.map-dot.phase-4 { fill: #a78bfa; } /* purple */

.map-dot:hover {
  filter: drop-shadow(0 0 14px rgba(99,102,241,0.75));
}