/* RANPilot.tech - Liquid Glass Design System */

:root {
    --primary: #6366f1;
    --primary-light: #818cf8;
    --primary-dark: #4f46e5;
    --secondary: #ec4899;
    --accent: #06b6d4;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-light: #9ca3af;
    --bg-primary: #f9fafb;
    --bg-secondary: #ffffff;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    --transition-smooth: cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; }

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--text-primary);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    background-attachment: fixed;
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.glass {
    background: rgba(255, 255, 255, 0.65);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-radius: var(--radius-2xl);
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.glass-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: var(--spacing-sm) var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.logo-icon { font-size: 1.8rem; }
.logo-text .tech { color: var(--primary); }

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

.nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-2xl);
    transition: all 0.3s var(--transition-smooth);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary);
    background: rgba(99, 102, 241, 0.1);
}

.nav-links .cta-link {
    background: var(--primary);
    color: white;
    padding: 0.5rem 1.5rem;
}

.nav-links .cta-link:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(99, 102, 241, 0.3);
}

.hero {
    padding: 140px 0 80px;
    min-height: 90vh;
    display: flex;
    align-items: center;
}

.hero-content {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    text-align: center;
}

.hero-badge {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-full);
    color: var(--primary);
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: var(--spacing-md);
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: white;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.gradient-text {
    background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: var(--spacing-xl);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    border-radius: var(--radius-2xl);
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s var(--transition-smooth);
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background: white;
    color: var(--primary);
    box-shadow: 0 4px 16px rgba(255, 255, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(255, 255, 255, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-3px);
}

.btn-large {
    padding: 1.125rem 2.5rem;
    font-size: 1.125rem;
}

.btn-full { width: 100%; }

.hero-visual { margin-top: var(--spacing-2xl); }

.network-animation {
    position: relative;
    width: 400px;
    height: 400px;
    margin: 0 auto;
}

.node {
    position: absolute;
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-full);
    border: 2px solid rgba(255, 255, 255, 0.5);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    animation: pulse 3s ease-in-out infinite;
}

.node-1 { top: 50%; left: 50%; transform: translate(-50%, -50%); animation-delay: 0s; }
.node-2 { top: 10%; left: 10%; animation-delay: 0.6s; }
.node-3 { top: 10%; right: 10%; animation-delay: 1.2s; }
.node-4 { bottom: 10%; left: 10%; animation-delay: 1.8s; }
.node-5 { bottom: 10%; right: 10%; animation-delay: 2.4s; }

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.8; }
    50% { transform: scale(1.1); opacity: 1; }
}

.connections {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.conn-line {
    stroke: rgba(255, 255, 255, 0.4);
    stroke-width: 2;
    animation: lineGlow 2s ease-in-out infinite;
}

@keyframes lineGlow {
    0%, 100% { stroke-opacity: 0.3; }
    50% { stroke-opacity: 0.8; }
}

.features-preview { padding: var(--spacing-2xl) 0; }

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: var(--spacing-sm);
}

.section-header p {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.9);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.feature-card {
    padding: var(--spacing-xl);
    transition: all 0.3s var(--transition-smooth);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.feature-link {
    color: var(--primary);
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s var(--transition-smooth);
}

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

/* Solutions & About Styles */
.solutions-grid-section { padding: var(--spacing-2xl) 0; }
.solution-card { padding: var(--spacing-xl); margin-bottom: var(--spacing-lg); }
.solution-header { display: flex; align-items: center; gap: var(--spacing-md); margin-bottom: var(--spacing-md); }
.solution-icon { font-size: 2.5rem; }
.solution-header h3 { font-size: 1.75rem; font-weight: 700; color: var(--text-primary); }
.solution-description { color: var(--text-secondary); margin-bottom: var(--spacing-lg); font-size: 1.125rem; }
.solution-features h4 { color: var(--text-primary); font-weight: 600; margin-bottom: var(--spacing-sm); }
.solution-features ul { list-style: none; display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 0.5rem; margin-bottom: var(--spacing-lg); }
.solution-features li { color: var(--text-secondary); padding-left: 1.5rem; position: relative; }
.solution-features li::before { content: "✓"; position: absolute; left: 0; color: #10b981; font-weight: 700; }
.solution-outcomes { display: flex; gap: var(--spacing-xl); padding-top: var(--spacing-md); border-top: 1px solid rgba(0, 0, 0, 0.1); }
.outcome-metric { display: flex; flex-direction: column; }
.outcome-value { font-size: 2rem; font-weight: 800; color: var(--primary); margin-bottom: 0.25rem; }
.outcome-label { font-size: 0.875rem; color: var(--text-secondary); }

.use-cases-section, .roi-section, .mission-section, .values-section, .team-section, .timeline-section, .partners-section { padding: var(--spacing-2xl) 0; }
.use-case-grid, .values-grid, .team-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: var(--spacing-lg); }
.use-case-card, .value-card, .team-card { padding: var(--spacing-lg); transition: all 0.3s var(--transition-smooth); }
.use-case-card:hover, .value-card:hover, .team-card:hover { transform: translateY(-5px); box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12); }

.mission-content { display: grid; grid-template-columns: 1.5fr 1fr; gap: var(--spacing-2xl); align-items: start; }
.mission-text h2 { font-size: 2.5rem; font-weight: 700; color: white; margin-bottom: var(--spacing-md); }
.mission-statement { font-size: 1.125rem; color: rgba(255, 255, 255, 0.9); margin-bottom: var(--spacing-md); line-height: 1.8; }
.mission-stats { padding: var(--spacing-xl); }
.stat-item { text-align: center; padding: var(--spacing-md) 0; }
.stat-item:not(:last-child) { border-bottom: 1px solid rgba(0, 0, 0, 0.1); }
.stat-number { font-size: 2.5rem; font-weight: 800; color: var(--primary); margin-bottom: 0.25rem; }
.stat-text { font-size: 0.875rem; color: var(--text-secondary); }

.value-icon, .team-avatar { font-size: 2.5rem; margin-bottom: var(--spacing-md); }
.team-avatar { font-size: 4rem; }
.team-card { text-align: center; }

.timeline { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: var(--spacing-md); }
.timeline-item { padding: var(--spacing-lg); display: flex; gap: var(--spacing-lg); align-items: flex-start; }
.timeline-year { flex-shrink: 0; width: 80px; font-size: 1.25rem; font-weight: 800; color: var(--primary); }
.timeline-content h3 { font-weight: 600; color: var(--text-primary); margin-bottom: 0.5rem; }
.timeline-content p { color: var(--text-secondary); font-size: 0.875rem; }

.partners-logos { padding: var(--spacing-2xl); display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: var(--spacing-xl); }
.partner-category { text-align: center; }
.partner-category h4 { font-weight: 600; color: var(--text-primary); margin-bottom: var(--spacing-sm); }
.partner-category p { color: var(--text-secondary); font-size: 0.875rem; }

.roi-content { padding: var(--spacing-2xl); }
.roi-content h2 { text-align: center; font-size: 2.25rem; font-weight: 700; color: var(--text-primary); margin-bottom: var(--spacing-sm); }
.roi-subtitle { text-align: center; color: var(--text-secondary); margin-bottom: var(--spacing-xl); }
.roi-metrics { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: var(--spacing-xl); }
.roi-metric { text-align: center; }
.roi-number { font-size: 3rem; font-weight: 800; color: var(--primary); margin-bottom: 0.5rem; }
.roi-label { font-size: 1.125rem; font-weight: 600; color: var(--text-primary); margin-bottom: 0.5rem; }
.roi-description { font-size: 0.875rem; color: var(--text-secondary); }

/* Contact Page */
.contact-section { padding: var(--spacing-2xl) 0; }
.contact-layout { display: grid; grid-template-columns: 1.5fr 1fr; gap: var(--spacing-2xl); }
.contact-form-container { padding: var(--spacing-2xl); }
.contact-form-container h2 { font-size: 2rem; font-weight: 700; color: var(--text-primary); margin-bottom: var(--spacing-xl); }
.contact-form { display: flex; flex-direction: column; gap: var(--spacing-md); }
.form-group { display: flex; flex-direction: column; gap: 0.5rem; }
.form-group label { font-weight: 600; color: var(--text-primary); font-size: 0.875rem; }
.form-group input, .form-group select, .form-group textarea {
    padding: 0.875rem; border: 1px solid rgba(0, 0, 0, 0.1); border-radius: var(--radius-2xl);
    font-family: inherit; font-size: 1rem; background: rgba(255, 255, 255, 0.8);
    transition: all 0.3s var(--transition-smooth);
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    outline: none; border-color: var(--primary); background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}
.contact-info { display: flex; flex-direction: column; gap: var(--spacing-md); }
.info-card { padding: var(--spacing-lg); }
.info-icon { font-size: 2rem; margin-bottom: var(--spacing-sm); }
.info-card h3 { font-size: 1.125rem; font-weight: 600; color: var(--text-primary); margin-bottom: 0.5rem; }
.info-card p { color: var(--text-secondary); font-size: 0.875rem; }
.info-subtext { font-size: 0.75rem; color: var(--text-light); margin-top: 0.25rem; }
.info-link { color: var(--primary); font-weight: 600; text-decoration: none; font-size: 0.875rem; }

.presence-section, .faq-section { padding: var(--spacing-2xl) 0; }
.presence-grid, .faq-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: var(--spacing-md); }
.presence-card, .faq-item { padding: var(--spacing-lg); }
.presence-card { text-align: center; }
.presence-card h3 { font-size: 1.25rem; font-weight: 600; color: var(--text-primary); margin-bottom: 0.5rem; }
.presence-card p { color: var(--text-secondary); font-size: 0.875rem; margin-bottom: 0.25rem; }
.presence-details { font-size: 0.75rem; color: var(--text-light); }
.faq-item h4 { font-weight: 600; color: var(--text-primary); margin-bottom: var(--spacing-sm); }
.faq-item p { color: var(--text-secondary); font-size: 0.875rem; }

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links { display: none; }
    .hero-title { font-size: 2rem; }
    .hero-subtitle { font-size: 1rem; }
    .tech-grid, .feature-layout, .tech-content-layout, .mission-content, .contact-layout { grid-template-columns: 1fr; }
    .solution-outcomes { flex-direction: column; }
    .network-animation { width: 300px; height: 300px; }
}