/* Base Styles and Reset */
:root {
    --primary-color: #2c3e50;
    --secondary-color: #e74c3c;
    --accent-color: #3498db;
    --light-color: #ecf0f1;
    --dark-color: #1a252f;
    --text-color: #333333;
    --text-light: #ffffff;
    --transition: all 0.3s ease;
    --border-radius: 6px;
    --shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    color: var(--text-color);
    background-color: var(--light-color);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
}

h2 {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    margin-bottom: 1.5rem;
}

h3 {
    font-size: clamp(1.3rem, 3vw, 1.8rem);
}

p {
    margin-bottom: 1rem;
}

.section-intro {
    font-size: 1.2rem;
    max-width: 800px;
    margin: 0 auto 3rem;
    text-align: center;
    color: var(--primary-color);
    opacity: 0.9;
}

/* Layout Containers */
.header-container,
.banner-container,
.section-container,
.footer-container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

section {
    padding: 5rem 0;
    position: relative;
}

section:nth-child(even) {
    background-color: var(--light-color);
}

section:nth-child(odd) {
    background-color: #f9f9f9;
}

/* Header Styles */
header {
    background-color: var(--primary-color);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 1rem 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

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

.brand {
    width: 220px;
}

.brand-logo {
    width: 100%;
}

.main-nav {
    position: relative;
}

.nav-list {
    display: flex;
    gap: 2rem;
}

.nav-list a {
    color: var(--light-color);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-list a:hover {
    color: var(--secondary-color);
}

.nav-list a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--secondary-color);
    transition: var(--transition);
}

.nav-list a:hover::after {
    width: 100%;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    width: 30px;
    height: 24px;
    position: relative;
}

.menu-toggle span {
    display: block;
    position: absolute;
    height: 3px;
    width: 100%;
    background: var(--light-color);
    border-radius: 3px;
    transition: var(--transition);
    transform-origin: center;
}

.menu-toggle span:nth-child(1) {
    top: 0;
}

.menu-toggle span:nth-child(2) {
    top: 10px;
}

.menu-toggle span:nth-child(3) {
    top: 20px;
}

/* Banner Section */
.banner {
    background-color: var(--primary-color);
    color: var(--light-color);
    position: relative;
    padding: 0;
    min-height: 90vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.banner-container {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 90vh;
}

.banner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, rgba(44,62,80,0.9) 0%, rgba(231,76,60,0.7) 100%);
    z-index: 1;
}

.banner-content {
    max-width: 700px;
    position: relative;
    z-index: 3;
    padding: 2rem 0;
}

.tagline {
    font-size: clamp(1.2rem, 3vw, 1.5rem);
    margin-bottom: 2rem;
    opacity: 0.9;
}

.banner-visual {
    position: absolute;
    right: -10%;
    top: 50%;
    transform: translateY(-50%);
    width: 60%;
    max-width: 800px;
    opacity: 0.8;
    z-index: 2;
}

.banner-svg {
    width: 100%;
    height: auto;
}

/* CTA Buttons */
.cta-button, .cta-button-secondary, .cta-button-large {
    display: inline-block;
    padding: 0.8rem 1.8rem;
    font-weight: 600;
    border-radius: var(--border-radius);
    transition: var(--transition);
    text-align: center;
}

.cta-button {
    background-color: var(--secondary-color);
    color: var(--light-color);
    box-shadow: 0 4px 12px rgba(231, 76, 60, 0.3);
}

.cta-button:hover {
    background-color: #c0392b;
    transform: translateY(-3px);
    box-shadow: 0 6px 18px rgba(231, 76, 60, 0.4);
}

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

.cta-button-secondary:hover {
    background-color: var(--secondary-color);
    color: var(--light-color);
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(231, 76, 60, 0.3);
}

.cta-button-large {
    background-color: var(--secondary-color);
    color: var(--light-color);
    padding: 1rem 2.5rem;
    font-size: 1.2rem;
    box-shadow: 0 4px 18px rgba(231, 76, 60, 0.4);
}

.cta-button-large:hover {
    background-color: #c0392b;
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(231, 76, 60, 0.5);
}

/* Videos Section */
.videos {
    background-color: var(--light-color);
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.video-card {
    background-color: #fff;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.video-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.video-preview {
    height: 200px;
    overflow: hidden;
}

.video-info {
    padding: 1.5rem;
}

.video-link {
    display: inline-block;
    color: var(--secondary-color);
    font-weight: 600;
    margin-top: 0.5rem;
    transition: var(--transition);
}

.video-link:hover {
    color: #c0392b;
    text-decoration: underline;
}

.videos-cta {
    text-align: center;
    margin-top: 2rem;
}

/* Technology Section */
.technology {
    background-color: #f9f9f9;
}

.tech-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.tech-feature {
    text-align: center;
    padding: 2rem;
    background-color: #fff;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.tech-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto 1.5rem;
}

/* Experience Section */
.experience {
    background-color: var(--light-color);
}

.experience-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.experience-item {
    padding: 2rem;
    background-color: #fff;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    position: relative;
    transition: var(--transition);
}

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

.experience-number {
    position: absolute;
    top: -15px;
    left: 20px;
    background-color: var(--secondary-color);
    color: var(--light-color);
    font-size: 1.2rem;
    font-weight: bold;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.experience-cta {
    text-align: center;
    margin-top: 2rem;
}

/* FAQ Section */
.faq {
    background-color: #f9f9f9;
}

.faq-items {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background-color: #fff;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    margin-bottom: 1rem;
    overflow: hidden;
}

.faq-question {
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    position: relative;
}

.faq-question h3 {
    margin: 0;
    font-size: 1.2rem;
}

.faq-toggle {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--secondary-color);
}

.faq-answer {
    padding: 0 1.5rem;
    max-height: 0;
    overflow: hidden;
    transition: var(--transition);
}

.faq-item.active .faq-answer {
    padding: 0 1.5rem 1.5rem;
    max-height: 200px;
}

.faq-item.active .faq-toggle {
    transform: rotate(45deg);
}

/* Final CTA Section */
.final-cta {
    background: linear-gradient(45deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--light-color);
    text-align: center;
    padding: 4rem 0;
}

.final-cta h2 {
    color: var(--light-color);
}

.final-cta h2::after {
    display: none;
}

.final-cta p {
    margin-bottom: 2rem;
    font-size: 1.2rem;
    opacity: 0.9;
}

/* Footer */
footer {
    background-color: var(--dark-color);
    color: var(--light-color);
    padding: 4rem 0 1rem;
}

.footer-top {
    display: flex;
    flex-wrap: wrap;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand {
    flex: 1 1 300px;
}

.footer-logo {
    width: 220px;
    margin-bottom: 1rem;
}

.footer-links {
    flex: 2 1 600px;
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
}

.footer-column {
    flex: 1 1 180px;
}

.footer-column h4 {
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
}

.footer-column ul li {
    margin-bottom: 0.8rem;
}

.footer-column ul li a {
    color: rgba(236, 240, 241, 0.8);
    transition: var(--transition);
}

.footer-column ul li a:hover {
    color: var(--secondary-color);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-favicon {
    display: flex;
    align-items: center;
}

.favicon-small {
    width: 40px;
    height: 40px;
}

/* Responsive Design */
@media (max-width: 1200px) {
    .banner-visual {
        right: -15%;
        width: 70%;
    }
}

@media (max-width: 992px) {
    .banner-visual {
        position: relative;
        right: auto;
        top: auto;
        transform: none;
        width: 80%;
        margin: 2rem auto 0;
        opacity: 1;
    }
    
    .banner-container {
        text-align: center;
    }
    
    .banner-content {
        max-width: 100%;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    header {
        padding: 1rem 0;
    }
    
    .nav-list {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--primary-color);
        flex-direction: column;
        gap: 0;
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.2);
        padding: 1rem 0;
        text-align: center;
        z-index: 10;
    }
    
    .nav-list.show {
        display: flex;
    }
    
    .nav-list li {
        padding: 1rem;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .menu-toggle.active span:nth-child(1) {
        transform: translateY(10px) rotate(45deg);
    }
    
    .menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .menu-toggle.active span:nth-child(3) {
        transform: translateY(-10px) rotate(-45deg);
    }
    
    .footer-top {
        flex-direction: column;
        gap: 2rem;
    }
    
    .footer-links {
        gap: 3rem;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 576px) {
    section {
        padding: 3rem 0;
    }
    
    .video-grid, .tech-features, .experience-grid {
        grid-template-columns: 1fr;
    }
    
    .brand {
        width: 180px;
    }
}
