/* ========================================
   SHARC Website - Custom Styles
   ======================================== */

/* Global Styles */
:root {
    --primary-color: #ff6b35;
    --secondary-color: #f7931e;
    --dark-bg: #1a1a2e;
    --darker-bg: #16213e;
    --accent-gold: #ffd700;
    --text-light: #e8e8e8;
    --text-muted: #b0b0b0;
    --nexsys-orange: #ff6b35;
    --nexsys-light: #f7931e;
}

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

body {
    font-family: 'Poppins', sans-serif;
    overflow-x: hidden;
    background-color: #fff;
    color: #333;
}

/* Skip to content link for accessibility */
.skip-link {
    position: absolute;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    z-index: 9999;
    padding: 0.75rem 1.5rem;
    background: var(--primary-color);
    color: #fff;
    text-decoration: none;
    border-radius: 0 0 8px 8px;
    font-weight: 600;
    transition: top 0.3s ease;
}

.skip-link:focus {
    top: 0;
    color: #fff;
}

/* Focus visible styles for keyboard navigation */
*:focus-visible {
    outline: 3px solid var(--secondary-color);
    outline-offset: 2px;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 2rem;
}

/* ========================================
   Navbar
   ======================================== */
.navbar {
    padding: 0.8rem 0;
    background: rgba(10, 14, 39, 0.98) !important;
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 102, 255, 0.1);
    transition: all 0.3s ease;
    z-index: 1000;
}

.navbar.scrolled {
    padding: 0.4rem 0;
    box-shadow: 0 4px 30px rgba(0, 102, 255, 0.3);
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-logo-img {
    height: 45px;
    width: auto;
    transition: transform 0.3s ease;
}

.navbar-brand:hover .brand-logo-img {
    transform: scale(1.05);
}

.brand-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.brand-name {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.3rem;
    font-weight: 700;
    color: #fff;
    line-height: 1.2;
}

.brand-tagline {
    font-size: 0.65rem;
    color: #c0c0c0;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    margin-top: -2px;
}

.nav-link {
    color: var(--text-light) !important;
    font-weight: 500;
    margin: 0 0.5rem;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--secondary-color);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-link:hover::after {
    width: 80%;
}

.btn-admin {
    background: rgba(0, 102, 255, 0.1);
    border-radius: 20px;
    padding: 0.4rem 1rem !important;
}

.btn-admin:hover {
    background: var(--primary-color);
    color: #fff !important;
}

/* ========================================
   Hero Section
   ======================================== */
.hero-section {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--darker-bg) 0%, var(--dark-bg) 100%);
    position: relative;
    overflow: hidden;
    padding-top: 80px;
    display: flex;
    align-items: center;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(0, 102, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(0, 212, 255, 0.1) 0%, transparent 50%);
    z-index: 0;
}

.hero-section .container {
    position: relative;
    z-index: 1;
    width: 100%;
}

.hero-section .row {
    padding-top: 2rem;
    padding-bottom: 2rem;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.hero-features {
    margin-bottom: 2rem;
}

.hero-features .badge {
    background: rgba(0, 212, 255, 0.2);
    color: var(--secondary-color);
    font-size: 0.9rem;
    padding: 0.5rem 1rem;
    margin-right: 0.5rem;
    border: 1px solid var(--secondary-color);
    font-weight: 500;
}

.hero-buttons .btn {
    margin-right: 1rem;
    margin-bottom: 1rem;
    padding: 0.8rem 2rem;
    border-radius: 30px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border: none;
    box-shadow: 0 5px 20px rgba(0, 102, 255, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0, 102, 255, 0.6);
}

.btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-3px);
}

/* Hero Visual Animation */
.hero-visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 400px;
}

.pulse-ring {
    position: absolute;
    width: 300px;
    height: 300px;
    border: 2px solid var(--secondary-color);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        transform: scale(0.8);
        opacity: 1;
    }
    100% {
        transform: scale(1.2);
        opacity: 0;
    }
}

.communication-icon {
    font-size: 8rem;
    color: var(--secondary-color);
    animation: float 3s ease-in-out infinite;
}

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

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
}

.scroll-indicator a {
    color: var(--secondary-color);
    font-size: 2rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

/* ========================================
   PCB Viewer Section
   ======================================== */
.pcb-viewer-section {
    background: linear-gradient(to bottom, #f8f9fa 0%, #ffffff 100%);
}

.pcb-viewer-container {
    background: #1a1a2e;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 50px rgba(0, 0, 0, 0.3);
    border: 2px solid var(--primary-color);
}

#pcb-viewer-3d {
    width: 100%;
    height: 500px;
    background: linear-gradient(135deg, #0f0f1e 0%, #1a1a2e 100%);
    position: relative;
}

.viewer-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-light);
}

.viewer-placeholder i {
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.viewer-controls {
    display: flex;
    gap: 10px;
    padding: 15px;
    background: rgba(0, 0, 0, 0.3);
    justify-content: center;
    flex-wrap: wrap;
}

.viewer-controls .btn {
    border-radius: 20px;
    font-size: 0.85rem;
}

/* Feature Cards */
.feature-card {
    background: #fff;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    height: 100%;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 40px rgba(0, 102, 255, 0.2);
}

.feature-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.feature-card h5 {
    color: var(--dark-bg);
    margin-bottom: 0.5rem;
}

.feature-card p {
    color: #555;
    font-size: 0.9rem;
}

/* ========================================
   Technology Section
   ======================================== */
.technology-section {
    background: var(--dark-bg);
}

.tech-category {
    background: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: 15px;
    border: 1px solid rgba(0, 212, 255, 0.2);
}

.tech-category h3 {
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
}

.tech-list {
    list-style: none;
    padding: 0;
}

.tech-list li {
    padding: 0.8rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-light);
}

.tech-list li:last-child {
    border-bottom: none;
}

.tech-list i {
    color: var(--secondary-color);
    margin-right: 10px;
}

/* Jamming Defense Badges */
.jamming-defense {
    background: rgba(255, 215, 0, 0.1);
    padding: 2rem;
    border-radius: 15px;
    border: 2px solid var(--accent-gold);
}

.jamming-defense h3 {
    color: var(--accent-gold);
}

.jamming-badge {
    background: rgba(255, 215, 0, 0.2);
    color: var(--accent-gold);
    padding: 0.8rem 1rem;
    border-radius: 10px;
    border: 1px solid var(--accent-gold);
    font-weight: 600;
    font-size: 0.85rem;
    transition: all 0.3s ease;
}

.jamming-badge:hover {
    background: var(--accent-gold);
    color: var(--dark-bg);
    transform: scale(1.05);
}

/* ========================================
   Vision Section
   ======================================== */
.vision-section {
    padding: 5rem 0;
}

.vision-content {
    padding-right: 2rem;
}

.vision-content .lead {
    font-size: 1.2rem;
    color: #2a2a2a;
    line-height: 1.8;
}

.sdg-icon {
    width: 100px;
    height: 100px;
    object-fit: contain;
    margin-top: 10px;
}

/* Customer Segments */
.customer-segments {
    background: linear-gradient(135deg, var(--dark-bg), var(--darker-bg));
    padding: 2rem;
    border-radius: 20px;
    color: #fff;
}

.segment-card {
    display: flex;
    align-items: flex-start;
    padding: 1.5rem;
    margin-bottom: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    border-left: 4px solid var(--secondary-color);
    transition: all 0.3s ease;
}

.segment-card:hover {
    background: rgba(0, 212, 255, 0.1);
    transform: translateX(10px);
}

.segment-card i {
    font-size: 2rem;
    color: var(--secondary-color);
    margin-right: 1rem;
    min-width: 50px;
}

.segment-card h5 {
    color: #fff;
    margin-bottom: 0.5rem;
}

.segment-card p {
    color: var(--text-light);
    margin: 0;
    font-size: 0.9rem;
}

/* ========================================
   Team Section
   ======================================== */
.team-section {
    background: #f8f9fa;
}

.team-card {
    background: #fff;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    height: 100%;
}

.team-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 40px rgba(0, 102, 255, 0.2);
}

.team-avatar {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}

.team-avatar i {
    font-size: 3rem;
    color: #fff;
}

.team-card h5 {
    color: var(--dark-bg);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.team-card .role {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.team-card .bio,
.team-card .achievement {
    color: #555;
    font-size: 0.85rem;
}

.team-card .achievement {
    color: #b8860b;
}

.team-contact {
    margin-top: 1rem;
}

.team-contact a {
    display: inline-block;
    width: 35px;
    height: 35px;
    background: var(--primary-color);
    color: #fff;
    border-radius: 50%;
    line-height: 35px;
    margin: 0 5px;
    transition: all 0.3s ease;
}

.team-contact a:hover {
    background: var(--secondary-color);
    transform: scale(1.1);
}

/* ========================================
   Contact Section
   ======================================== */
.contact-section {
    background: linear-gradient(135deg, var(--dark-bg) 0%, var(--darker-bg) 100%);
    color: #fff;
}

.contact-info {
    background: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: 15px;
    margin-bottom: 2rem;
}

.info-item {
    display: flex;
    align-items: center;
    padding: 1rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

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

.info-item i {
    font-size: 2rem;
    color: var(--secondary-color);
    margin-right: 1rem;
    min-width: 50px;
}

.info-item h5 {
    color: #fff;
    margin-bottom: 0.25rem;
}

.info-item a {
    color: var(--secondary-color);
    text-decoration: none;
}

.info-item p {
    color: var(--text-light);
    margin: 0;
}

.contact-form .form-control,
.contact-form .form-select {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #fff;
    padding: 0.8rem;
    border-radius: 10px;
}

.contact-form .form-control:focus,
.contact-form .form-select:focus {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 0.2rem rgba(0, 212, 255, 0.25);
    color: #fff;
}

.contact-form .form-control::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.contact-form .form-select option {
    background: var(--dark-bg);
    color: #fff;
}

/* ========================================
   Footer
   ======================================== */
.footer {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand img {
    filter: brightness(0) invert(1);
}

.footer-brand p {
    margin-bottom: 0.25rem;
}

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

/* Tablet landscape */
@media (max-width: 991px) {
    .hero-section .row {
        padding-top: 1rem;
        padding-bottom: 1rem;
    }

    .hero-visual {
        height: 280px;
        margin-top: 2rem;
    }

    .pulse-ring {
        width: 200px;
        height: 200px;
    }

    .communication-icon {
        font-size: 5rem;
    }

    .customer-segments {
        margin-top: 2rem;
    }

    .stats-grid {
        gap: 1rem;
    }

    .stat-item .stat-number {
        font-size: 2rem;
    }

    .use-case-tabs .nav-link {
        padding: 0.6rem 1rem;
        font-size: 0.85rem;
    }
}

/* Tablet portrait */
@media (max-width: 768px) {
    .hero-section {
        padding-top: 70px;
    }
    
    .hero-title {
        font-size: 2.2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
        margin-bottom: 1.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }

    .section-subtitle {
        font-size: 1rem;
    }
    
    #pcb-viewer-3d {
        height: 300px;
    }

    .viewer-controls {
        padding: 10px;
        gap: 6px;
    }

    .viewer-controls .btn {
        font-size: 0.75rem;
        padding: 0.35rem 0.75rem;
    }
    
    .vision-content {
        padding-right: 0;
        margin-bottom: 2rem;
    }
    
    .brand-logo-img {
        height: 32px;
    }
    
    .brand-name {
        font-size: 1.1rem;
    }
    
    .brand-tagline {
        font-size: 0.6rem;
    }

    .feature-card {
        padding: 1.5rem;
    }

    .feature-icon {
        font-size: 2.2rem;
    }

    .tech-category {
        padding: 1.5rem;
        margin-bottom: 1rem;
    }

    .jamming-defense {
        padding: 1.5rem;
    }

    .jamming-badge {
        padding: 0.6rem 0.8rem;
        font-size: 0.78rem;
    }

    .segment-card {
        padding: 1rem;
    }

    .segment-card i {
        font-size: 1.5rem;
        min-width: 40px;
    }

    .team-card {
        padding: 1.5rem;
    }

    .team-avatar {
        width: 80px;
        height: 80px;
    }

    .team-avatar i {
        font-size: 2.2rem;
    }

    .contact-info {
        padding: 1.5rem;
    }

    /* Trust signals mobile */
    .trust-signals-section .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .testimonial-card {
        padding: 1.5rem;
    }

    /* CTA banner mobile */
    .cta-banner-section h2 {
        font-size: 1.8rem;
    }

    .cta-banner-section .btn {
        width: 100%;
        margin-bottom: 0.75rem;
    }

    /* Use case tabs mobile */
    .use-case-tabs .nav {
        flex-wrap: nowrap;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }

    .use-case-tabs .nav::-webkit-scrollbar {
        display: none;
    }

    .use-case-tabs .nav-link {
        white-space: nowrap;
        padding: 0.5rem 0.75rem;
        font-size: 0.8rem;
    }

    .use-case-content {
        padding: 1.5rem;
    }

    .use-case-content h4 {
        font-size: 1.1rem;
    }

    /* Footer mobile */
    .footer .row {
        text-align: center;
    }

    .footer .text-md-end {
        text-align: center !important;
        margin-top: 1rem;
    }

    .footer-brand {
        margin-bottom: 1rem;
    }

    .footer-links {
        justify-content: center;
    }
}

/* Small phones */
@media (max-width: 576px) {
    .hero-section {
        padding-top: 60px;
        min-height: auto;
    }

    .hero-section .row {
        min-height: auto;
        padding-top: 2rem;
        padding-bottom: 1rem;
    }
    
    .hero-title {
        font-size: 1.75rem;
        margin-bottom: 1rem;
    }
    
    .hero-subtitle {
        font-size: 0.92rem;
        line-height: 1.6;
    }

    .hero-features .badge {
        font-size: 0.78rem;
        padding: 0.4rem 0.75rem;
        margin-right: 0.3rem;
        margin-bottom: 0.3rem;
    }
    
    .hero-buttons .btn {
        display: block;
        width: 100%;
        margin-right: 0;
        padding: 0.85rem 1.5rem;
        font-size: 1rem;
    }

    .hero-visual {
        height: 200px;
        margin-top: 1.5rem;
    }

    .pulse-ring {
        width: 160px;
        height: 160px;
    }

    .communication-icon {
        font-size: 4rem;
    }

    .scroll-indicator {
        bottom: 15px;
    }
    
    .brand-logo-img {
        height: 30px;
    }

    .section-title {
        font-size: 1.65rem;
    }

    .section-subtitle {
        font-size: 0.92rem;
    }

    #pcb-viewer-3d {
        height: 250px;
    }

    .feature-card {
        padding: 1.25rem;
    }

    .feature-card .h5 {
        font-size: 0.95rem;
    }

    .feature-card p {
        font-size: 0.82rem;
    }

    /* Trust signals small */
    .trust-signals-section .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 0.75rem;
    }

    .stat-item {
        padding: 1rem;
    }

    .stat-item .stat-number {
        font-size: 1.6rem;
    }

    .stat-item .stat-label {
        font-size: 0.72rem;
    }

    .testimonial-card {
        padding: 1.25rem;
    }

    .testimonial-stars {
        font-size: 0.85rem;
    }

    /* CTA banner small */
    .cta-banner-section {
        padding: 2.5rem 0;
    }

    .cta-banner-section h2 {
        font-size: 1.5rem;
    }

    .cta-banner-section p {
        font-size: 0.92rem;
    }

    /* Audience tabs small */
    .use-case-tabs .nav-link {
        font-size: 0.75rem;
        padding: 0.45rem 0.65rem;
    }

    .use-case-content {
        padding: 1.25rem;
    }

    .use-case-content ul li {
        font-size: 0.88rem;
    }

    /* Contact small */
    .contact-form .form-control,
    .contact-form .form-select {
        padding: 0.7rem;
        font-size: 0.9rem;
    }

    .customer-segments {
        padding: 1.5rem;
    }

    .segment-card {
        padding: 0.85rem;
    }

    .segment-card i {
        font-size: 1.3rem;
        min-width: 35px;
        margin-right: 0.75rem;
    }

    .segment-card .h5 {
        font-size: 0.92rem;
    }

    .segment-card p {
        font-size: 0.82rem;
    }
}

/* Extra small phones */
@media (max-width: 380px) {
    .hero-title {
        font-size: 1.5rem;
    }

    .hero-features .badge {
        font-size: 0.72rem;
        padding: 0.35rem 0.6rem;
    }

    .section-title {
        font-size: 1.45rem;
    }

    .navbar {
        padding: 0.5rem 0;
    }

    .brand-logo-img {
        height: 26px;
    }

    .brand-name {
        font-size: 0.95rem;
    }

    .brand-tagline {
        font-size: 0.5rem;
    }
}

/* ========================================
   Trust Signals Section
   ======================================== */
.trust-signals-section {
    background: linear-gradient(135deg, #f8f9fa 0%, #eef2f7 100%);
    padding: 5rem 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.stat-item {
    text-align: center;
    padding: 1.5rem;
    background: #fff;
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.stat-icon {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-number {
    font-family: 'Orbitron', sans-serif;
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.stat-label {
    font-size: 0.82rem;
    color: #555;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 0.25rem;
}

.testimonial-card {
    background: #fff;
    border-radius: 15px;
    padding: 2rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    height: 100%;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border-left: 4px solid var(--primary-color);
    position: relative;
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.testimonial-card .quote-icon {
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    font-size: 2rem;
    color: rgba(255, 107, 53, 0.15);
}

.testimonial-stars {
    color: #f5a623;
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
}

.testimonial-text {
    font-size: 0.95rem;
    color: #444;
    line-height: 1.7;
    font-style: italic;
    margin-bottom: 1rem;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.testimonial-author-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 700;
    font-size: 1rem;
    flex-shrink: 0;
}

.testimonial-author-info .author-name {
    font-weight: 600;
    color: var(--dark-bg);
    font-size: 0.9rem;
    margin-bottom: 0;
}

.testimonial-author-info .author-role {
    font-size: 0.78rem;
    color: #777;
    margin-bottom: 0;
}

/* ========================================
   CTA Banner Section
   ======================================== */
.cta-banner-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 50%, #ff8c42 100%);
    padding: 4rem 0;
    position: relative;
    overflow: hidden;
}

.cta-banner-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 400px;
    height: 400px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 50%;
}

.cta-banner-section::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -5%;
    width: 300px;
    height: 300px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
}

.cta-banner-section .container {
    position: relative;
    z-index: 1;
}

.cta-banner-section h2 {
    color: #fff;
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.cta-banner-section p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

.cta-banner-section .btn-light {
    background: #fff;
    color: var(--primary-color);
    font-weight: 700;
    padding: 0.85rem 2.5rem;
    border-radius: 30px;
    border: none;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
    transition: all 0.3s ease;
}

.cta-banner-section .btn-light:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.25);
    background: #fff;
    color: var(--secondary-color);
}

.cta-banner-section .btn-outline-white {
    color: #fff;
    border: 2px solid #fff;
    font-weight: 600;
    padding: 0.85rem 2.5rem;
    border-radius: 30px;
    background: transparent;
    transition: all 0.3s ease;
}

.cta-banner-section .btn-outline-white:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-3px);
}

/* ========================================
   Use-Case Tabs / Audience Segmentation
   ======================================== */
.use-case-section {
    padding: 5rem 0;
    background: #fff;
}

.use-case-tabs .nav {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 2rem;
    border: none;
}

.use-case-tabs .nav-link {
    background: #f0f0f0;
    color: #555;
    font-weight: 600;
    padding: 0.7rem 1.25rem;
    border-radius: 30px;
    border: 2px solid transparent;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.use-case-tabs .nav-link:hover {
    background: rgba(255, 107, 53, 0.08);
    color: var(--primary-color);
}

.use-case-tabs .nav-link.active {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: #fff;
    border-color: transparent;
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.3);
}

.use-case-content {
    background: linear-gradient(135deg, var(--dark-bg), var(--darker-bg));
    border-radius: 20px;
    padding: 2.5rem;
    color: #fff;
    min-height: 280px;
}

.use-case-content h4 {
    color: var(--secondary-color);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.use-case-content p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 1.25rem;
    font-size: 0.95rem;
}

.use-case-content ul {
    list-style: none;
    padding: 0;
    margin-bottom: 1.5rem;
}

.use-case-content ul li {
    padding: 0.4rem 0;
    color: var(--text-light);
    font-size: 0.92rem;
}

.use-case-content ul li i {
    color: var(--secondary-color);
    margin-right: 0.5rem;
}

.use-case-content .btn-outline-light {
    border-radius: 30px;
    padding: 0.6rem 1.75rem;
    font-weight: 600;
    font-size: 0.9rem;
}

/* ========================================
   Utility Classes
   ======================================== */
.bg-gradient-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
}

.text-gradient {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* ================================
   Research Section (Homepage)
   ================================ */
.research-section {
    background: linear-gradient(135deg, var(--dark-bg) 0%, var(--darker-bg) 100%);
    color: var(--text-light);
    padding: 80px 0;
}

.research-section .section-title {
    color: var(--text-light);
}

.research-section .card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.research-section .card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}