/* Ecostruct Component Styles */

/* Header & Navigation */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
}

.nav {
    padding: var(--spacing-sm) 0;
}

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

.brand-logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.nav-link {
    font-family: var(--font-heading);
    font-weight: 500;
    color: var(--text-color);
    text-decoration: none;
    transition: color 0.2s ease;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--accent-color);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    right: 0;
    height: 2px;
    background-color: var(--accent-color);
}

.nav-cta {
    margin-left: var(--spacing-lg);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background-color: var(--primary-color);
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    padding: calc(var(--spacing-xxl) + 80px) 0 var(--spacing-xxl);
    background: linear-gradient(135deg, var(--secondary-background) 0%, var(--background-color) 100%);
    min-height: 90vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

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

.hero-title {
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: var(--spacing-xl);
}

.hero-actions {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.hero-visual {
    position: absolute;
    top: 50%;
    right: 10%;
    transform: translateY(-50%);
    width: 400px;
    height: 400px;
    opacity: 0.1;
}

.earth-grid {
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 50%, var(--accent-color) 0%, transparent 50%),
        linear-gradient(0deg, transparent 24%, rgba(11, 28, 61, 0.05) 25%, rgba(11, 28, 61, 0.05) 26%, transparent 27%, transparent 74%, rgba(11, 28, 61, 0.05) 75%, rgba(11, 28, 61, 0.05) 76%, transparent 77%, transparent),
        linear-gradient(90deg, transparent 24%, rgba(11, 28, 61, 0.05) 25%, rgba(11, 28, 61, 0.05) 26%, transparent 27%, transparent 74%, rgba(11, 28, 61, 0.05) 75%, rgba(11, 28, 61, 0.05) 76%, transparent 77%, transparent);
    background-size: 50px 50px, 60px 60px, 60px 60px;
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

/* Problem Section */
.problem {
    background-color: var(--secondary-background);
}

.problem-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.problem-text {
    font-size: 1.125rem;
    color: var(--text-light);
}

.problem-visual {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.stat-card {
    background: var(--background-color);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    text-align: center;
    box-shadow: var(--shadow-soft);
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: var(--spacing-sm);
}

.stat-label {
    color: var(--text-light);
    font-weight: 500;
}

/* Solution Section */
.stages-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.stage-card {
    background: var(--background-color);
    padding: var(--spacing-xl);
    border-radius: var(--radius-md);
    text-align: center;
    box-shadow: var(--shadow-soft);
    transition: all 0.3s ease;
    position: relative;
}

.stage-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-medium);
}

.stage-number {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 40px;
    background: var(--accent-color);
    color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.25rem;
}

.stage-title {
    color: var(--primary-color);
    margin: var(--spacing-md) 0 var(--spacing-sm);
}

.stage-description {
    color: var(--text-light);
}

/* Capabilities Section */
.capabilities {
    background-color: var(--secondary-background);
}

.capabilities-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.capability-card {
    background: var(--background-color);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    text-align: center;
    box-shadow: var(--shadow-soft);
    transition: all 0.3s ease;
}

.capability-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.capability-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.capability-title {
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.capability-description {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* Audience Section */
.audience-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.audience-card {
    background: var(--background-color);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-soft);
    transition: all 0.3s ease;
}

.audience-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.audience-title {
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.audience-description {
    color: var(--text-light);
}

/* Sectors Section */
.sectors {
    background-color: var(--secondary-background);
}

.sectors-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--spacing-md);
}

.sector-card {
    background: var(--background-color);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    text-align: center;
    box-shadow: var(--shadow-soft);
    transition: all 0.3s ease;
}

.sector-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.sector-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.sector-title {
    color: var(--primary-color);
    font-size: 1rem;
}

/* Projects Section */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.project-card {
    background: var(--background-color);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-soft);
    transition: all 0.3s ease;
}

.project-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.project-name {
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.project-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
}

.project-location,
.project-type,
.project-certification {
    background: var(--secondary-background);
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.875rem;
    color: var(--text-light);
}

.project-certification {
    background: var(--accent-color);
    color: var(--primary-color);
    font-weight: 500;
}

.project-features {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.project-features span {
    background: var(--secondary-background);
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.875rem;
    color: var(--text-light);
}

/* Insights Section */
.insights {
    background-color: var(--secondary-background);
}

.insights-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

.insight-card {
    background: var(--background-color);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-soft);
    transition: all 0.3s ease;
}

.insight-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.insight-title {
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
    font-size: 1.125rem;
}

.insight-excerpt {
    color: var(--text-light);
    margin-bottom: var(--spacing-md);
    font-size: 0.95rem;
}

.insight-link {
    color: var(--accent-color);
    font-weight: 500;
    text-decoration: none;
}

.insight-link:hover {
    text-decoration: underline;
}

/* CTA Section */
.cta {
    background: linear-gradient(135deg, var(--primary-color) 0%, #1a2f4d 100%);
    color: var(--background-color);
    text-align: center;
}

.cta-content {
    max-width: 600px;
    margin: 0 auto;
}

.cta-title {
    color: var(--background-color);
    margin-bottom: var(--spacing-sm);
}

.cta-subtitle {
    font-size: 1.125rem;
    opacity: 0.9;
    margin-bottom: var(--spacing-xl);
}

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

.cta .btn-primary:hover {
    background: var(--accent-color);
}

/* Footer */
.footer {
    background-color: var(--primary-color);
    color: var(--background-color);
    padding: var(--spacing-xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
}

.footer-brand h3 {
    color: var(--background-color);
    margin-bottom: var(--spacing-sm);
}

.footer-brand p {
    opacity: 0.8;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.footer-column h4 {
    color: var(--background-color);
    margin-bottom: var(--spacing-sm);
    font-size: 1rem;
}

.footer-column a {
    display: block;
    color: var(--background-color);
    opacity: 0.8;
    margin-bottom: var(--spacing-xs);
    text-decoration: none;
}

.footer-column a:hover {
    opacity: 1;
    color: var(--accent-color);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-lg);
    text-align: center;
    opacity: 0.6;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .capabilities-grid,
    .sectors-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .insights-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .hero-visual {
        width: 300px;
        height: 300px;
        right: 5%;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--background-color);
        flex-direction: column;
        padding: var(--spacing-lg);
        box-shadow: var(--shadow-medium);
        gap: var(--spacing-md);
        max-height: calc(100vh - 80px);
        overflow-y: auto;
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-cta {
        margin-left: 0;
    }
    
    .hero {
        min-height: auto;
        padding: calc(var(--spacing-xxl) + 100px) 0 var(--spacing-xl);
    }
    
    .hero-content {
        text-align: center;
        max-width: 100%;
    }
    
    .hero-visual {
        display: none;
    }
    
    .problem-content,
    .audience-grid {
        grid-template-columns: 1fr;
    }
    
    .stages-grid,
    .capabilities-grid,
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .sectors-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .insights-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        text-align: left;
    }
    
    .container {
        padding: 0 16px;
    }
}

@media (max-width: 480px) {
    .hero-actions {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-sm);
    }
    
    .btn-large {
        width: 100%;
        max-width: 280px;
    }
    
    .sectors-grid {
        grid-template-columns: 1fr;
    }
    
    .problem-visual {
        grid-template-columns: 1fr;
    }
    
    .stage-card,
    .capability-card,
    .audience-card,
    .sector-card,
    .project-card,
    .insight-card {
        padding: var(--spacing-md);
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    section {
        padding: var(--spacing-xl) 0;
    }
    
    .hero {
        padding: calc(var(--spacing-xl) + 100px) 0 var(--spacing-lg);
    }
}