/* ============================================
   Signalix Modern Marketing Site
   Bootstrap 5 + Custom Theme
   ============================================ */

:root {
    /* Brand Colors */
    --primary-navy: #001F3F;
    --secondary-navy: #003366;
    --accent-orange: #FF6B35;
    --accent-red: #E31837;
    
    /* Neutral Colors */
    --white: #FFFFFF;
    --light-gray: #F8F9FA;
    --medium-gray: #6C757D;
    --dark-gray: #212529;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary-navy) 0%, var(--secondary-navy) 100%);
    --gradient-accent: linear-gradient(135deg, var(--accent-red) 0%, var(--accent-orange) 100%);
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-secondary: 'Plus Jakarta Sans', sans-serif;
    
    /* Spacing */
    --section-padding: 80px 0;
    --section-padding-lg: 120px 0;
}

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

body {
    font-family: var(--font-primary);
    color: var(--dark-gray);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* ============================================
   NAVIGATION
   ============================================ */

.navbar-modern {
    background: white;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar-modern .navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--primary-navy);
}

.navbar-modern .navbar-brand img {
    height: 40px;
    width: auto;
}

.navbar-modern .nav-link {
    color: var(--dark-gray);
    font-weight: 500;
    padding: 0.5rem 1rem;
    transition: color 0.3s;
}

.navbar-modern .nav-link:hover {
    color: var(--accent-orange);
}

.btn-primary-custom {
    background: var(--gradient-accent);
    border: none;
    padding: 0.75rem 2rem;
    font-weight: 600;
    border-radius: 50px;
    color: white;
    transition: transform 0.3s, box-shadow 0.3s;
}

.btn-primary-custom:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(255, 107, 53, 0.3);
    color: white;
}

.btn-outline-custom {
    border: 2px solid var(--primary-navy);
    color: var(--primary-navy);
    padding: 0.75rem 2rem;
    font-weight: 600;
    border-radius: 50px;
    background: transparent;
    transition: all 0.3s;
}

.btn-outline-custom:hover {
    background: var(--primary-navy);
    color: white;
    transform: translateY(-2px);
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero-section {
    background: var(--gradient-primary);
    color: white;
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    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='0.05'%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: 0.3;
}

.hero-section h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-section .lead {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.hero-section .btn-hero {
    padding: 1rem 3rem;
    font-size: 1.1rem;
    margin: 0.5rem;
}

.hero-stats {
    display: flex;
    gap: 3rem;
    margin-top: 3rem;
}

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

.hero-stat .stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    display: block;
    color: var(--accent-orange);
}

.hero-stat .stat-label {
    font-size: 0.9rem;
    opacity: 0.9;
}

/* ============================================
   FEATURES SECTION
   ============================================ */

.features-section {
    padding: var(--section-padding-lg);
    background: var(--light-gray);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-navy);
    margin-bottom: 1rem;
    text-align: center;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--medium-gray);
    text-align: center;
    margin-bottom: 4rem;
}

.feature-card {
    background: white;
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: transform 0.3s, box-shadow 0.3s;
    height: 100%;
    border: none;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.12);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-accent);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 2rem;
    color: white;
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-navy);
    margin-bottom: 1rem;
}

.feature-card p {
    color: var(--medium-gray);
    margin: 0;
}

/* ============================================
   CTA SECTION
   ============================================ */

.cta-section {
    background: var(--gradient-primary);
    color: white;
    padding: 80px 0;
    text-align: center;
}

.cta-section h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.cta-section p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

/* ============================================
   FOOTER
   ============================================ */

.footer-modern {
    background: var(--primary-navy);
    color: white;
    padding: 60px 0 20px;
}

.footer-modern h5 {
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--accent-orange);
}

.footer-modern ul {
    list-style: none;
    padding: 0;
}

.footer-modern ul li {
    margin-bottom: 0.75rem;
}

.footer-modern a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    transition: color 0.3s;
}

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

.footer-bottom {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    text-align: center;
    opacity: 0.7;
}

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

@media (max-width: 768px) {
    .hero-section h1 {
        font-size: 2.5rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .feature-card {
        margin-bottom: 2rem;
    }
}

/* ============================================
   UTILITIES
   ============================================ */

.text-gradient {
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.bg-light-custom {
    background-color: var(--light-gray) !important;
}

.text-navy {
    color: var(--primary-navy) !important;
}

.text-orange {
    color: var(--accent-orange) !important;
}