/* ============================================
   Signalix Landing Page - TrackTik Style
   Modern, Clean, Enterprise SaaS Design
   ============================================ */

:root {
    /* TrackTik-inspired Navy Blue Palette */
    --navy-900: #001F3F;
    --navy-800: #002952;
    --navy-700: #003366;
    --navy-600: #004080;
    --navy-500: #0051A3;
    
    /* Accent Colors */
    --red-primary: #E31837;
    --red-hover: #CC1530;
    
    /* Neutral Colors */
    --white: #FFFFFF;
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    
    /* 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: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    color: var(--gray-900);
    background: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ============================================
   Navigation - TrackTik Style
   ============================================ */

.tt-navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-200);
    padding: 1rem 0;
    transition: top 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.tt-navbar-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.tt-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--navy-900);
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.tt-brand:hover {
    opacity: 0.8;
}

.tt-brand i {
    font-size: 1.75rem;
    color: var(--red-primary);
}

.tt-nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.tt-nav-link {
    color: var(--gray-700);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.3s ease;
}

.tt-nav-link:hover {
    color: var(--navy-900);
}

.tt-btn-secondary {
    padding: 0.5rem 1.5rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    color: var(--gray-700);
    background: transparent;
    border: 1px solid var(--gray-300);
    transition: all 0.3s ease;
}

.tt-btn-secondary:hover {
    background: var(--gray-50);
    border-color: var(--gray-400);
}

.tt-btn-primary {
    padding: 0.5rem 1.5rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    color: var(--white);
    background: var(--red-primary);
    border: none;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
}

.tt-btn-primary:hover {
    background: var(--red-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.tt-mobile-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--navy-900);
    cursor: pointer;
}

/* ============================================
   Beta Testing Banner - Sliding Animation
   ============================================ */

.beta-banner {
    position: relative;
    background: linear-gradient(90deg, var(--navy-900) 0%, var(--navy-700) 100%);
    color: white;
    padding: 0.75rem 0;
    overflow: hidden;
    transform-origin: top;
    transition: transform 0.5s cubic-bezier(0.4, 0.0, 0.2, 1), max-height 0.5s cubic-bezier(0.4, 0.0, 0.2, 1);
    max-height: 100px;
    z-index: 999;
}

.beta-banner.collapsed {
    transform: scaleY(0);
    max-height: 0;
    padding: 0;
    margin-bottom: 0;
}

.beta-banner-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.beta-banner-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 50%;
    margin-right: 15px;
}

.beta-banner-icon i {
    font-size: 18px;
    color: var(--red-primary);
}

.beta-banner-text {
    flex: 1;
    font-size: 15px;
    line-height: 1.4;
    font-weight: 500;
}

.beta-banner-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

.beta-banner-btn {
    background: var(--red-primary);
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 6px;
    font-weight: 600;
    font-size: 14px;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
}

.beta-banner-btn:hover {
    background: var(--red-hover);
    color: white;
    transform: translateY(-1px);
    text-decoration: none;
}

.beta-banner-close {
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.7);
    cursor: pointer;
    font-size: 16px;
    padding: 5px;
    border-radius: 50%;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.beta-banner-close:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

/* Adjust hero section padding when banner is visible */
.beta-banner + .tt-hero {
    padding-top: 8rem;
}

/* ============================================
   Hero Section - TrackTik Style (Side by Side)
   ============================================ */

.tt-hero {
    padding: 8rem 0 4rem;
    background: linear-gradient(to bottom, var(--gray-50) 0%, var(--white) 100%);
    transition: padding-top 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.tt-hero-content {
    padding-right: 2rem;
}

.tt-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--navy-900);
    color: var(--white);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.tt-hero-title {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 800;
    line-height: 1.1;
    color: var(--navy-900);
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.tt-hero-subtitle {
    font-size: 1.25rem;
    line-height: 1.6;
    color: var(--gray-600);
    margin-bottom: 2rem;
}

.tt-hero-cta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.tt-btn-primary-lg {
    padding: 1rem 2rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    color: var(--white);
    background: var(--red-primary);
    border: none;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
}

.tt-btn-primary-lg:hover {
    background: var(--red-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.tt-btn-outline-lg {
    padding: 1rem 2rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    color: var(--navy-900);
    background: transparent;
    border: 2px solid var(--navy-900);
    transition: all 0.3s ease;
}

.tt-btn-outline-lg:hover {
    background: var(--navy-900);
    color: var(--white);
}

.tt-hero-image {
    position: relative;
}

.tt-dashboard-img {
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
}

.tt-mobile-float {
    position: absolute;
    bottom: -2rem;
    right: -2rem;
    width: 200px;
    box-shadow: var(--shadow-xl);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 4px solid var(--white);
}

.tt-mobile-float img {
    width: 100%;
    display: block;
}

/* ============================================
   Trust Section
   ============================================ */

.tt-trust-section {
    padding: 3rem 0;
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
}

.tt-trust-text {
    text-align: center;
    color: var(--gray-600);
    font-size: 0.95rem;
    margin-bottom: 2rem;
}

.tt-trust-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.tt-trust-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--gray-600);
    font-size: 0.9rem;
    font-weight: 500;
}

.tt-trust-item i {
    font-size: 1.25rem;
    color: var(--navy-900);
}

/* ============================================
   Dark Section - TrackTik Style
   ============================================ */

.tt-dark-section {
    padding: 5rem 0;
    background: var(--navy-900);
    color: var(--white);
}

.tt-section-title-white {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 700;
    line-height: 1.2;
    color: var(--white);
    margin-bottom: 1.5rem;
}

.tt-section-subtitle-white {
    font-size: 1.125rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2rem;
}

.tt-btn-white-outline {
    padding: 0.875rem 1.75rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    color: var(--white);
    background: transparent;
    border: 2px solid var(--white);
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
}

.tt-btn-white-outline:hover {
    background: var(--white);
    color: var(--navy-900);
}

.tt-features-preview {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.tt-feature-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.tt-feature-item i {
    font-size: 1.5rem;
    color: var(--white);
}

.tt-feature-item span {
    font-size: 1rem;
    color: var(--white);
}

/* ============================================
   Features Section - TrackTik 3-Column Cards
   ============================================ */

.tt-features-section {
    padding: 5rem 0;
    background: var(--white);
}

.tt-section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.tt-section-title {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 700;
    line-height: 1.2;
    color: var(--navy-900);
    margin-bottom: 1rem;
}

.tt-section-subtitle {
    font-size: 1.125rem;
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto;
}

.tt-card {
    padding: 2rem;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    transition: all 0.3s ease;
    height: 100%;
}

.tt-card:hover {
    border-color: var(--navy-900);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.tt-card-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-100);
    border-radius: var(--radius-md);
    margin-bottom: 1.5rem;
}

.tt-card-icon i {
    font-size: 1.5rem;
    color: var(--navy-900);
}

.tt-card-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--navy-900);
    margin-bottom: 1rem;
}

.tt-card-text {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--gray-600);
}

/* ============================================
   Platform Section - Image + Text
   ============================================ */

.tt-platform-section {
    padding: 5rem 0;
    background: var(--gray-50);
}

.tt-section-text {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--gray-600);
    margin-bottom: 2rem;
}

.tt-checklist {
    list-style: none;
    padding: 0;
    margin-bottom: 2rem;
}

.tt-checklist li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 0;
    font-size: 1rem;
    color: var(--gray-700);
}

.tt-checklist i {
    font-size: 1.25rem;
    color: var(--red-primary);
}

.tt-platform-image {
    position: relative;
}

.tt-platform-image img {
    border: 1px solid var(--gray-200);
}

/* ============================================
   Integration Section
   ============================================ */

.tt-integration-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.tt-integration-card {
    padding: 2rem 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    text-align: center;
    transition: all 0.3s ease;
}

.tt-integration-card:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-4px);
}

.tt-integration-card i {
    font-size: 2rem;
    color: var(--white);
    margin-bottom: 0.5rem;
}

.tt-integration-card span {
    display: block;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
}

/* ============================================
   FAQ Section - TrackTik Style
   ============================================ */

.tt-faq-section {
    padding: 5rem 0;
    background: var(--white);
}

.tt-accordion-item {
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
    overflow: hidden;
}

.tt-accordion-item .accordion-button {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--navy-900);
    background: var(--white);
    padding: 1.5rem;
    border: none;
}

.tt-accordion-item .accordion-button:not(.collapsed) {
    background: var(--gray-50);
    color: var(--navy-900);
    box-shadow: none;
}

.tt-accordion-item .accordion-button:focus {
    box-shadow: none;
    border: none;
}

.tt-accordion-item .accordion-body {
    padding: 1.5rem;
    font-size: 1rem;
    line-height: 1.7;
    color: var(--gray-600);
}

/* ============================================
   CTA Section
   ============================================ */

.tt-cta-section {
    padding: 5rem 0;
    background: var(--gray-50);
}

.tt-cta-title {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 700;
    color: var(--navy-900);
    margin-bottom: 1rem;
}

.tt-cta-subtitle {
    font-size: 1.25rem;
    color: var(--gray-600);
    margin-bottom: 2rem;
}

.tt-cta-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

/* ============================================
   Video Section
   ============================================ */

.tt-video-section {
    padding: 5rem 0;
    background: var(--white);
}

.tt-video-container {
    background: var(--gray-50);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.tt-video-container .ratio {
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.tt-video-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
}

.tt-video-controls button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.tt-video-controls button i {
    font-size: 1.25rem;
}

/* ============================================
   Footer - TrackTik Style
   ============================================ */

.tt-footer {
    padding: 3rem 0 2rem;
    background: var(--navy-900);
    color: var(--white);
}

.tt-footer-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.tt-footer-brand i {
    font-size: 1.75rem;
    color: var(--red-primary);
}

.tt-footer-text {
    font-size: 0.95rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.7);
    max-width: 300px;
}

.tt-footer-heading {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

.tt-footer-links li {
    margin-bottom: 0.5rem;
}

.tt-footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.3s ease;
}

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

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

.tt-footer-bottom p {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
    margin: 0;
}

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

@media (max-width: 991px) {
    .tt-nav-menu {
        display: none;
    }
    
    .tt-mobile-toggle {
        display: block;
    }
    
    .tt-hero {
        padding: 6rem 0 3rem;
    }
    
    .tt-hero-content {
        padding-right: 0;
        margin-bottom: 3rem;
    }
    
    .tt-mobile-float {
        width: 150px;
        bottom: -1rem;
        right: -1rem;
    }
    
    .tt-dark-section,
    .tt-features-section,
    .tt-platform-section,
    .tt-faq-section,
    .tt-cta-section {
        padding: 3rem 0;
    }
    
    .tt-integration-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    }
}

@media (max-width: 767px) {
    .tt-hero-title {
        font-size: 2rem;
    }
    
    .tt-hero-subtitle {
        font-size: 1rem;
    }
    
    .tt-section-title,
    .tt-section-title-white,
    .tt-cta-title {
        font-size: 1.75rem;
    }
    
    .tt-hero-cta,
    .tt-cta-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .tt-btn-primary-lg,
    .tt-btn-outline-lg {
        width: 100%;
        justify-content: center;
    }
    
    .tt-mobile-float {
        display: none;
    }
    
    .tt-trust-logos {
        gap: 1.5rem;
    }
    
    .tt-card {
        padding: 1.5rem;
    }
}