/* 
 * CRT 2000 Brochure Website Styles
 * A modern, elegant design for the CRT 2000 Thermographic System
 */

/* ===== Base Styles ===== */
:root {
    /* Color Palette */
    --primary-color: #00a8b5;
    --primary-dark: #007a82;
    --secondary-color: #2e4756;
    --accent-color: #ffa400;
    --light-color: #f8f9fa;
    --dark-color: #212529;
    --gray-color: #6c757d;
    --light-gray: #e9ecef;
    
    /* Typography */
    --body-font: 'Poppins', sans-serif;
    --heading-font: 'Poppins', sans-serif;
    
    /* Spacing */
    --section-spacing: 100px;
    --container-padding: 15px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--body-font);
    font-size: 16px;
    line-height: 1.6;
    color: var(--dark-color);
    background-color: #fff;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--heading-font);
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 20px;
    color: var(--secondary-color);
}

h1 {
    font-size: 3.5rem;
    font-weight: 700;
}

h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 1.75rem;
}

p {
    margin-bottom: 20px;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: all 0.3s ease;
}

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

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

section {
    padding: var(--section-spacing) 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    position: relative;
    display: inline-block;
    margin-bottom: 15px;
}

.section-subheader {
    max-width: 700px;
    margin: 0 auto 40px;
    text-align: center;
    color: var(--gray-color);
}

.underline {
    width: 80px;
    height: 4px;
    background-color: var(--primary-color);
    margin: 0 auto 30px;
    border-radius: 2px;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 500;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    outline: none;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    color: white;
}

.btn-secondary {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
    background-color: var(--primary-color);
    color: white;
}

/* ===== Header ===== */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 15px 0;
    transition: all 0.3s ease;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    height: 50px;
}

nav ul {
    display: flex;
}

nav ul li {
    margin-left: 30px;
}

nav ul li a {
    color: var(--secondary-color);
    font-weight: 500;
    position: relative;
}

nav ul li a:hover {
    color: var(--primary-color);
}

nav ul li a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: width 0.3s ease;
}

nav ul li a:hover::after {
    width: 100%;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 20px;
    cursor: pointer;
}

.mobile-menu-btn span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--secondary-color);
    transition: all 0.3s ease;
}

/* ===== Hero Section ===== */
#hero {
    padding-top: 150px;
    padding-bottom: 100px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    position: relative;
    overflow: hidden;
}

#hero .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

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

.hero-content h1 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

.hero-content h2 {
    font-size: 2rem;
    margin-bottom: 20px;
}

.hero-content p {
    font-size: 1.1rem;
    color: var(--gray-color);
    margin-bottom: 40px;
}

.cta-buttons {
    display: flex;
    gap: 20px;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: flex-end;
    position: relative;
}

.hero-image img {
    max-width: 100%;
    animation: float 6s ease-in-out infinite;
}

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

/* ===== About Section ===== */
#about {
    background-color: white;
}

.about-content {
    display: flex;
    align-items: center;
    gap: 50px;
}

.about-text {
    flex: 1;
}

.about-video {
    flex: 1;
}

.video-container {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
    height: 0;
    overflow: hidden;
    border-radius: 10px;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

/* ===== Features Section ===== */
#features {
    background-color: var(--light-color);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background-color: white;
    padding: 40px 30px;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background-color: rgba(0, 168, 181, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
}

.feature-icon i {
    font-size: 32px;
    color: var(--primary-color);
}

.feature-card h3 {
    margin-bottom: 15px;
}

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

/* ===== How It Works Section ===== */
#how-it-works {
    background-color: white;
}

.process-timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.process-timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50px;
    width: 2px;
    height: 100%;
    background-color: var(--light-gray);
}

.timeline-item {
    display: flex;
    margin-bottom: 50px;
    position: relative;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-number {
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 1.2rem;
    margin-right: 30px;
    z-index: 1;
    flex-shrink: 0;
}

.timeline-content {
    background-color: var(--light-color);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    flex: 1;
}

.timeline-content h3 {
    margin-bottom: 10px;
}

.timeline-content p {
    margin-bottom: 0;
    color: var(--gray-color);
}

/* ===== Indications Section ===== */
#indications {
    background-color: var(--light-color);
}

.indications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.indication-item {
    background-color: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    text-align: center;
    transition: all 0.3s ease;
}

.indication-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.indication-icon {
    width: 70px;
    height: 70px;
    background-color: rgba(0, 168, 181, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.indication-icon i {
    font-size: 28px;
    color: var(--primary-color);
}

.indication-item p {
    margin-bottom: 0;
    color: var(--secondary-color);
}

.disclaimer {
    text-align: center;
    color: var(--gray-color);
    font-style: italic;
}

/* ===== Specifications Section ===== */
#specifications {
    background-color: white;
}

.specs-container {
    display: flex;
    gap: 40px;
    margin-bottom: 50px;
}

.specs-column {
    flex: 1;
    background-color: var(--light-color);
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.specs-column h3 {
    margin-bottom: 25px;
    text-align: center;
}

.specs-list li {
    display: flex;
    justify-content: space-between;
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.specs-list li:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.specs-list li span {
    font-weight: 500;
    color: var(--secondary-color);
}

.warranty-info {
    background-color: var(--light-color);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    text-align: center;
}

.warranty-info h3 {
    margin-bottom: 15px;
}

.warranty-info p {
    margin-bottom: 0;
    color: var(--gray-color);
}

/* ===== Regulatory Section ===== */
#regulatory {
    background-color: var(--light-color);
}

.regulatory-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
}

.regulatory-link {
    display: flex;
    align-items: center;
    background-color: white;
    padding: 20px 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.regulatory-link:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.regulatory-link i {
    font-size: 24px;
    color: var(--primary-color);
    margin-right: 15px;
}

.regulatory-link span {
    color: var(--secondary-color);
    font-weight: 500;
}

/* ===== Contact Section ===== */
#contact {
    background-color: white;
}

.contact-container {
    display: flex;
    gap: 50px;
}

.contact-form {
    flex: 1;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--secondary-color);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--light-gray);
    border-radius: 5px;
    font-family: var(--body-font);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 168, 181, 0.1);
}

.contact-info {
    flex: 1;
}

.info-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 30px;
}

.info-item:last-child {
    margin-bottom: 0;
}

.info-item i {
    width: 50px;
    height: 50px;
    background-color: rgba(0, 168, 181, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 20px;
    margin-right: 20px;
    flex-shrink: 0;
}

.info-item h4 {
    margin-bottom: 5px;
}

.info-item p {
    margin-bottom: 0;
    color: var(--gray-color);
}

/* ===== Footer ===== */
footer {
    background-color: var(--secondary-color);
    color: white;
    padding: 80px 0 30px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    margin-bottom: 50px;
}

.footer-logo {
    flex: 1;
}

.footer-logo img {
    height: 50px;
    margin-bottom: 20px;
}

.footer-logo p {
    color: rgba(255, 255, 255, 0.7);
}

.footer-links,
.footer-legal {
    flex: 1;
}

.footer-links h4,
.footer-legal h4 {
    color: white;
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 10px;
}

.footer-links h4::after,
.footer-legal h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: var(--primary-color);
}

.footer-links ul li,
.footer-legal ul li {
    margin-bottom: 15px;
}

.footer-links ul li a,
.footer-legal ul li a {
    color: rgba(255, 255, 255, 0.7);
    transition: all 0.3s ease;
}

.footer-links ul li a:hover,
.footer-legal ul li a:hover {
    color: white;
    padding-left: 5px;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 0;
}

/* ===== LifeScan 3000 Specific Styles ===== */
.overview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 30px;
}

.overview-card {
    background-color: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    text-align: center;
    transition: all 0.3s ease;
}

.overview-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.overview-card.highlight {
    border: 2px solid var(--primary-color);
    background: linear-gradient(135deg, rgba(0, 168, 181, 0.05) 0%, rgba(0, 168, 181, 0.1) 100%);
}

.overview-icon {
    width: 70px;
    height: 70px;
    background-color: rgba(0, 168, 181, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.overview-icon i {
    font-size: 28px;
    color: var(--primary-color);
}

.science-content {
    max-width: 1000px;
    margin: 0 auto;
}

.science-intro {
    text-align: center;
    margin-bottom: 50px;
}

.biology-section {
    margin-bottom: 50px;
}

.biology-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.biology-card {
    background-color: var(--light-color);
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.biology-card h4 {
    color: var(--primary-color);
    margin-bottom: 15px;
}

.immune-connection {
    background-color: var(--light-color);
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.immune-list {
    list-style: none;
    padding-left: 0;
}

.immune-list li {
    margin-bottom: 15px;
    padding-left: 25px;
    position: relative;
}

.immune-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.benefits-container {
    display: flex;
    gap: 50px;
}

.benefits-main {
    flex: 2;
}

.benefit-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 30px;
    padding: 25px;
    background-color: var(--light-color);
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.benefit-icon {
    width: 60px;
    height: 60px;
    background-color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 20px;
    flex-shrink: 0;
}

.benefit-icon i {
    font-size: 24px;
    color: white;
}

.benefit-content h4 {
    margin-bottom: 10px;
}

.benefit-content p {
    margin-bottom: 0;
    color: var(--gray-color);
}

.applications-sidebar {
    flex: 1;
    background-color: var(--secondary-color);
    padding: 30px;
    border-radius: 10px;
    color: white;
    height: fit-content;
}

.applications-sidebar h3 {
    color: white;
    margin-bottom: 25px;
    text-align: center;
}

.application-list {
    list-style: none;
}

.app-item {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
    padding: 15px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.app-item:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.app-item i {
    font-size: 18px;
    color: var(--accent-color);
    margin-right: 15px;
    width: 20px;
}

.app-item span {
    font-size: 0.9rem;
}

.applications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.application-card {
    background-color: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    text-align: center;
    transition: all 0.3s ease;
}

.application-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.app-icon {
    width: 70px;
    height: 70px;
    background-color: rgba(0, 168, 181, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.app-icon i {
    font-size: 28px;
    color: var(--primary-color);
}

.clinical-note {
    display: flex;
    align-items: flex-start;
    background-color: rgba(255, 164, 0, 0.1);
    padding: 25px;
    border-radius: 10px;
    border-left: 4px solid var(--accent-color);
}

.note-icon {
    margin-right: 20px;
    flex-shrink: 0;
}

.note-icon i {
    font-size: 24px;
    color: var(--accent-color);
}

.note-content h4 {
    color: var(--accent-color);
    margin-bottom: 10px;
}

.note-content p {
    margin-bottom: 0;
    color: var(--dark-color);
}

.tech-features {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
}

.tech-feature {
    background-color: var(--light-color);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    text-align: center;
    transition: all 0.3s ease;
}

.tech-feature:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.tech-icon {
    width: 80px;
    height: 80px;
    background-color: rgba(0, 168, 181, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
}

.tech-icon i {
    font-size: 32px;
    color: var(--primary-color);
}

/* ===== Responsive Styles ===== */
@media (max-width: 992px) {
    h1 {
        font-size: 3rem;
    }
    
    h2 {
        font-size: 2.2rem;
    }
    
    #hero .container {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-content {
        margin-bottom: 50px;
    }
    
    .cta-buttons {
        justify-content: center;
    }
    
    .about-content {
        flex-direction: column;
    }
    
    .specs-container {
        flex-direction: column;
    }
    
    .contact-container {
        flex-direction: column;
    }
    
    .footer-content {
        flex-direction: column;
    }
    
    .footer-logo,
    .footer-links,
    .footer-legal {
        margin-bottom: 40px;
    }
    
    .benefits-container {
        flex-direction: column;
    }
    
    .applications-sidebar {
        order: -1;
    }
}

@media (max-width: 768px) {
    :root {
        --section-spacing: 70px;
    }
    
    h1 {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    nav ul {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .section-header {
        margin-bottom: 40px;
    }
}

@media (max-width: 576px) {
    :root {
        --section-spacing: 50px;
    }
    
    h1 {
        font-size: 2.2rem;
    }
    
    h2 {
        font-size: 1.8rem;
    }
    
    .btn {
        padding: 10px 25px;
    }
    
    .cta-buttons {
        flex-direction: column;
        gap: 15px;
    }
    
    .feature-card {
        padding: 30px 20px;
    }
    
    .timeline-number {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    
    .timeline-content {
        padding: 20px;
    }
    
    .regulatory-link {
        width: 100%;
    }
    
    .benefit-item {
        flex-direction: column;
        text-align: center;
    }
    
    .benefit-icon {
        margin-right: 0;
        margin-bottom: 15px;
    }
    
    .clinical-note {
        flex-direction: column;
        text-align: center;
    }
    
    .note-icon {
        margin-right: 0;
        margin-bottom: 15px;
    }
}