:root {
    --primary-color: #ffffff;
    --secondary-color: #a9a9a9;
    --background-color: #0c0f1a;
    --card-background: #1a1d2e;
    --accent-color: #00f5a0;
}

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

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--background-color);
    color: var(--primary-color);
    line-height: 1.6;
}

header {
    background-color: rgba(12, 15, 26, 0.8);
    backdrop-filter: blur(10px);
    padding: 1rem 5%;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--card-background);
}

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

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo h1 {
    color: var(--primary-color);
}

img {
    max-width: 100%;
    height: auto; /* Ensures images are responsive and maintain aspect ratio */
}

.logo img {
    height: 40px;
    width: auto; /* Ensure aspect ratio is maintained */
    margin-right: 15px;
}

.nav-links {
    list-style: none;
    display: flex;
}

.nav-links li {
    margin-left: 2rem;
}

.nav-links a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

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

main {
    padding-top: 80px;
}

section {
    padding: 6rem 5%;
    text-align: center;
}

section h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
}

#hero {
    background: url('bg.png') no-repeat center center/cover;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-content h2 {
    font-size: 3.5rem;
    font-weight: 700;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.hero-sub {
    font-size: 1rem;
    font-weight: 300;
}

.hero-content {
    color: #333333; /* Dark grey for better contrast */
}

.features, .steps, .values {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    text-align: left;
}

.feature-card, .step-card, .value-card, .phase {
    background-color: var(--card-background);
    padding: 2rem;
    border-radius: 10px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover, .step-card:hover, .value-card:hover, .phase:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
}

.feature-card h3, .step-card h3, .value-card h3, .phase h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--accent-color);
}
.value-card:nth-child(2) h3{
     color: #3498db;
}
.value-card:nth-child(3) h3{
    color: #e84393;
}
#problem {
    background-color: var(--card-background);
}
.problem-content {
    display: flex;
    justify-content: space-around;
    gap: 2rem;
    margin-bottom: 2rem;
}

.problem-list, .dependency-list {
    background-color: #0c0f1a;
    padding: 2rem;
    border-radius: 10px;
    flex: 1;
}

.problem-list h3, .dependency-list h3 {
    margin-bottom: 1rem;
    color: var(--accent-color);
}

.problem-list ul, .dependency-list ul, .value-card ul {
    list-style: none;
    padding-left: 0;
}

.problem-list li, .dependency-list li, .value-card li {
    margin-bottom: 0.5rem;
}

.structural-problem {
    margin-top: 1.5rem;
    font-style: italic;
}
.root-cause{
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--accent-color);
}
.roadmap-phases {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    text-align: left;
    margin-bottom: 3rem;
}
.phase.completed {
    border-left: 5px solid var(--accent-color);
}

.phase.in-progress {
    border-left: 5px solid #e67e22;
}
.phase {
     border-left: 5px solid #7f8c8d;
}

#vision {
     background-color: var(--card-background);
}

#vision p {
    font-size: 1.5rem;
    max-width: 800px;
    margin: 0 auto 1rem auto;
}
.vision-sub{
    font-size: 1.2rem !important;
    color: var(--secondary-color);
}

.cta-button {
    display: inline-block;
    background-color: var(--accent-color);
    color: var(--background-color);
    padding: 1rem 2rem;
    text-decoration: none;
    border-radius: 5px;
    font-weight: 600;
    transition: background-color 0.3s ease;
}

.cta-button:hover {
    background-color: #00d38a;
}

footer {
    background-color: var(--card-background);
    text-align: center;
    padding: 4rem 5%;
}

.contact-info {
    margin: 1.5rem 0;
}

.contact-info a {
    color: var(--accent-color);
    text-decoration: none;
}

.copyright {
    margin-top: 2rem;
    font-size: 0.9rem;
    color: var(--secondary-color);
}

@media (max-width: 768px) {
    .nav-links {
        display: none; /* Simple hiding for mobile, can be replaced with a burger menu */
    }
    .hero-content h2 {
        font-size: 2.5rem;
    }
    .problem-content {
        flex-direction: column;
    }
}