:root {
    --gradient-start: #1A4A5E;    /* Deep Navy */
    --gradient-end: #2D5A3D;      /* Forest Green */
    --text-light: #FFFFFF;
    --text-dark: #1A1A1A;
    --text-muted: #666666;
    --bg-white: #FFFFFF;
    --bg-light: #F9F9F9;
    --border: #E5E5E5;
    --box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Navigation */
.nav {
    position: fixed;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    background: transparent;
    transition: background 0.3s ease;
}

.nav.scrolled {
    background: rgba(26, 74, 94, 0.95);
}

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

.logo {
    color: var(--text-light);
    text-decoration: none;
    font-size: 18px;
    font-weight: 500;
}

.nav-links {
    display: flex;
    gap: 32px;
}

.nav-links a {
    color: var(--text-light);
    text-decoration: none;
    font-size: 14px;
    opacity: 0.9;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    display: flex;
    align-items: center;
    text-align: center;
    padding: 80px 0;
}

.hero h1 {
    color: var(--text-light);
    font-size: 48px;
    font-weight: 500;
    margin-bottom: 24px;
    line-height: 1.2;
}

.hero p {
    color: var(--text-light);
    font-size: 18px;
    opacity: 0.9;
}

/* Portfolio Section */

.section {
    padding: 80px 0;
    background: var(--bg-white);
}

.section-title {
    font-size: 24px;
    margin-bottom: 48px;
    color: var(--text-dark);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 24px;
}

.portfolio-item {
    background: var(--bg-white);
    padding: 32px;
    text-align: center;
    border-radius: 12px;
    border: 1px solid var(--border);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.portfolio-item img {
    max-width: 100%;
    height: auto;
    object-fit: contain;
    margin-bottom: 1rem;
}

.portfolio-item {
    background: var(--bg-white);
    padding: 32px;
    text-align: center;
    border-radius: 12px;
    border: 1px solid var(--border);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 200px;  /* Fixed height for consistent boxes */
}

.portfolio-item img {
    max-width: 80%;
    height: auto;
    object-fit: contain;
    margin-bottom: 1rem;
}

.portfolio-value {
    margin-top: auto;
    color: var(--text-muted);
    font-weight: 500;
}

.portfolio-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow);
}

/* Approach Section */
#approach {
    background: var(--bg-light);
    padding: 80px 0;
}

.approach-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    max-width: 1000px;
    margin: 0 auto;
}

.approach-item {
    background: var(--bg-white);
    padding: 40px;
    border-radius: 12px;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    height: 250px;
}

.approach-icon {
    color: #0072C6;
    font-size: 32px;
    margin-bottom: 20px;
}

.approach-item h3 {
    font-size: 18px;
    font-weight: 500;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.approach-item p {
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-muted);
    max-width: 240px;
    margin: 0 auto;
}

.approach-item::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #0072C6, #87C540);
    transition: height 0.3s ease;
}

.approach-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow);
}

.approach-item:hover::after {
    height: 8px;
}

/* Footer */
footer {
    background: var(--bg-light);
    padding: 64px 0 32px;
    border-top: 1px solid var(--border);
}

.footer-columns {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 48px;
    margin-bottom: 48px;
}

.footer-column h4 {
    color: var(--text-dark);
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 16px;
}

.footer-column ul {
    list-style: none;
}

.footer-column ul li {
    margin-bottom: 8px;
}

.footer-column ul li a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s ease;
}

.footer-bottom {
    padding-top: 32px;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.social-links {
    display: flex;
    gap: 16px;
}

.social-links a {
    color: var(--text-muted);
    font-size: 20px;
    transition: color 0.2s ease;
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hero h1 {
        font-size: 32px;
    }

    .approach-grid {
        grid-template-columns: 1fr;
    }

    .footer-columns {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
}