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

:root {
    --primary-bg: #0072c6;
    --text-color: #ffffff;
    --accent-light: #b6d4e6;
    --accent-medium: #72a5ed;
    --accent-dark: #000000;
    --purple-bg: #8B5A96;
    --purple-dark: #6B4375;
    --section-padding: 4rem 0;
    --container-max-width: 1200px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--primary-bg);
}

.background-image {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('./background.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0.1;
    z-index: -1;
}

.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 2rem;
}

.header {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: rgba(0, 114, 198, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
}

.nav {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

.nav-brand h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-color);
}

.nav-logo {
    flex: 1;
    display: flex;
    justify-content: center;
}

.logo {
    height: 40px;
    width: auto;
    max-width: 100px;
    object-fit: contain;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-menu a:hover {
    color: var(--accent-light);
}

.hero {
    padding: 8rem 2rem 6rem;
    text-align: center;
    background: linear-gradient(135deg, var(--primary-bg) 0%, var(--accent-medium) 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-content {
    max-width: 800px;
}

.hero h2 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 300;
    margin-bottom: 2rem;
    color: var(--accent-light);
}

.hero-description {
    font-size: 1.2rem;
    margin-bottom: 3rem;
    color: var(--text-color);
    opacity: 0.9;
}

.cta-button {
    display: inline-block;
    background-color: var(--accent-light);
    color: var(--accent-dark);
    padding: 1rem 2rem;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(182, 212, 230, 0.3);
}

.cta-button:hover {
    background-color: var(--text-color);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(182, 212, 230, 0.4);
}

.about, .services, .contact, .business-model {
    padding: var(--section-padding);
}

.about {
    background-color: rgba(0, 0, 0, 0.1);
}

.about h2, .services h2, .contact h2, .business-model h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--text-color);
}

.about-content p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    color: var(--text-color);
    opacity: 0.9;
}

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

.service-card {
    background-color: rgba(182, 212, 230, 0.1);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--accent-light);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(182, 212, 230, 0.2);
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--accent-light);
}

.service-card ul {
    list-style: none;
}

.service-card li {
    margin-bottom: 0.8rem;
    color: var(--text-color);
    opacity: 0.9;
    position: relative;
    padding-left: 1.5rem;
}

.service-card li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--accent-medium);
    font-weight: bold;
}

.contact {
    background: linear-gradient(135deg, var(--accent-medium) 0%, var(--primary-bg) 100%);
    text-align: center;
}

.contact-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: var(--text-color);
}

.contact-content .cta-button {
    margin-bottom: 2rem;
}

.contact-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.contact-link {
    color: var(--accent-light);
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border: 2px solid var(--accent-light);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.contact-link:hover {
    background-color: var(--accent-light);
    color: var(--accent-dark);
}

.footer {
    background-color: var(--accent-dark);
    padding: 2rem 0;
    text-align: center;
}

.footer p {
    color: var(--text-color);
    opacity: 0.7;
}

@media (max-width: 768px) {
    .nav {
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav-menu {
        gap: 1rem;
    }
    
    .hero {
        padding: 6rem 1rem 4rem;
    }
    
    .hero h2 {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-links {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .hero h2 {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .service-card {
        padding: 1.5rem;
    }
}

/* Business Model Canvas Styles */
.business-model {
    background: linear-gradient(135deg, var(--accent-medium) 0%, var(--primary-bg) 100%);
}

.canvas-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    grid-template-rows: repeat(3, auto);
    gap: 1rem;
    max-width: 1400px;
    margin: 0 auto;
}

.canvas-card {
    background-color: rgba(182, 212, 230, 0.1);
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid var(--accent-light);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.canvas-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(182, 212, 230, 0.2);
}

.canvas-card h3 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: var(--text-color);
    font-weight: 600;
    line-height: 1.3;
}

.canvas-card .subtitle {
    font-size: 0.9rem;
    font-weight: 400;
    color: var(--accent-light);
    opacity: 0.9;
}

.canvas-card ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.canvas-card li {
    margin-bottom: 0.5rem;
    color: var(--text-color);
    font-size: 0.95rem;
    line-height: 1.4;
    position: relative;
    padding-left: 1rem;
}

.canvas-card li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--accent-medium);
    font-weight: bold;
}

.canvas-card p {
    color: var(--text-color);
    font-size: 0.95rem;
    line-height: 1.4;
    margin-bottom: 0.8rem;
}

/* Grid positioning for business model canvas layout */
.canvas-card.partners {
    grid-column: 1;
    grid-row: 1 / 3;
}

.canvas-card.activities {
    grid-column: 2;
    grid-row: 1;
}

.canvas-card.value {
    grid-column: 3;
    grid-row: 1;
}

.canvas-card.relationship {
    grid-column: 4;
    grid-row: 1;
}

.canvas-card.customers {
    grid-column: 5;
    grid-row: 1 / 3;
}

.canvas-card.personality {
    grid-column: 2;
    grid-row: 2;
}

.canvas-card.channels {
    grid-column: 4;
    grid-row: 2;
}

.canvas-card.costs {
    grid-column: 1 / 3;
    grid-row: 3;
}

.canvas-card.revenue {
    grid-column: 4 / 6;
    grid-row: 3;
}

/* Mobile responsiveness for canvas */
@media (max-width: 1024px) {
    .canvas-grid {
        grid-template-columns: repeat(3, 1fr);
        grid-template-rows: auto;
    }
    
    .canvas-card.partners,
    .canvas-card.customers,
    .canvas-card.costs,
    .canvas-card.revenue {
        grid-column: auto;
        grid-row: auto;
    }
}

@media (max-width: 768px) {
    .canvas-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .canvas-card {
        padding: 1.25rem;
    }
    
    .canvas-card h3 {
        font-size: 1.05rem;
    }
}

html {
    scroll-behavior: smooth;
}