:root {
    --medical-blue: #0077B6;
    --light-blue: #90E0EF;
    --silver: #E5E5E5;
    --white: #ffffff;
    --text: #333;
}

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

body {
    font-family: 'Heebo', sans-serif;
    color: var(--text);
    background-color: #f8f9fa;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header */
header {
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    position: relative;
    z-index: 10;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--text);
    letter-spacing: 0.5px;
}

.symbol {
    color: var(--medical-blue);
    font-weight: 700;
}

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

nav a {
    text-decoration: none;
    color: #666;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.2s;
}

nav a:hover {
    color: var(--medical-blue);
}

/* Hero */
.hero {
    display: flex;
    height: 600px;
    background-color: var(--white);
}

.hero-content {
    flex: 1;
    padding: 0 5% 0 10%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.tagline {
    color: var(--medical-blue);
    text-transform: uppercase;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 1px;
    margin-bottom: 1rem;
}

.hero h1 {
    font-size: 3rem;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: #222;
}

.hero p {
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 2.5rem;
    max-width: 450px;
}

.btn {
    display: inline-block;
    background-color: var(--medical-blue);
    color: var(--white);
    padding: 1rem 2rem;
    text-decoration: none;
    font-weight: 500;
    border-radius: 4px;
    align-self: flex-start;
}

.hero-visual {
    flex: 1;
    position: relative;
    overflow: hidden;
}

.hero-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    /* Applying a blue tint to make the pop-art image look more "medical" */
    filter: grayscale(100%) sepia(100%) hue-rotate(170deg) saturate(2);
}

.overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, #ffffff 0%, transparent 20%);
    pointer-events: none;
}

/* Stats */
.stats-bar {
    background-color: var(--medical-blue);
    color: var(--white);
    padding: 3rem 0;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    text-align: center;
}

.stat {
    border-right: 1px solid rgba(255, 255, 255, 0.2);
}

.stat:last-child {
    border-right: none;
}

.num {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.desc {
    font-size: 0.8rem;
    text-transform: uppercase;
    opacity: 0.8;
}

/* Content */
.content-block {
    padding: 5rem 0;
    background-color: var(--white);
}

.content-block h2 {
    font-size: 2rem;
    margin-bottom: 3rem;
    text-align: center;
}

.pipeline-row {
    display: flex;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid #eee;
}

.drug-name {
    width: 200px;
    font-weight: 700;
    color: #444;
}

.phases {
    flex: 1;
    display: flex;
    gap: 5px;
}

.phase {
    flex: 1;
    background-color: #eee;
    padding: 0.5rem;
    text-align: center;
    font-size: 0.8rem;
    color: #999;
    border-radius: 2px;
}

.phase.completed {
    background-color: var(--light-blue);
    color: var(--medical-blue);
}

.phase.active {
    background-color: var(--medical-blue);
    color: var(--white);
    font-weight: 700;
}

/* Footer */
footer {
    padding: 4rem 0;
    background-color: #f8f9fa;
    border-top: 1px solid #e9ecef;
}

.footer-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 3rem;
}

.footer-info h3 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

.footer-contact a {
    color: var(--medical-blue);
    text-decoration: none;
}

.copyright {
    text-align: center;
    font-size: 0.8rem;
    color: #999;
}

@media (max-width: 768px) {
    .hero {
        flex-direction: column;
        height: auto;
    }

    .hero-content {
        padding: 3rem 2rem;
    }

    .grid-4 {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .stat {
        border-right: none;
    }

    .pipeline-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .phases {
        width: 100%;
    }
}