/* Basic Styles & Global Resets */
:root {
    --dark-blue: #0A0A1A;
    --navy-blue: #1C2030;
    --gold: #FFD700;
    --white: #FFFFFF;
    --light-grey: #e0e0e0;
}

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

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

a {
    text-decoration: none;
    color: var(--gold);
    transition: color 0.3s ease;
}

a:hover {
    color: var(--white);
}

.btn {
    display: inline-block;
    padding: 12px 25px;
    border-radius: 50px;
    font-weight: 600;
    transition: background-color 0.3s ease;
    text-align: center;
}

.btn-primary {
    background-color: var(--gold);
    color: var(--dark-blue);
}

.btn-primary:hover {
    background-color: var(--white);
    color: var(--dark-blue);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 50px;
    color: var(--white);
    position: relative;
    padding-bottom: 10px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--gold);
}

/* Header & Navigation */
.header {
    background-color: var(--navy-blue);
    padding: 20px 0;
    position: fixed;
    width: 100%;
    z-index: 1000;
}

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

.logo img {
    height: 40px;
}

.nav a {
    margin-left: 25px;
    font-weight: 600;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    background-color: var(--dark-blue);
    background-size: cover;
    background-position: center;
}

.hero h1 {
    font-size: 4rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 20px;
}

.hero p {
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto 40px;
}

/* Sections */
section {
    padding: 100px 0;
}

.about, .product, .beneficiaries, .contact {
    background-color: var(--navy-blue);
}

.features {
    background-color: var(--dark-blue);
}

/* About Us Section */
.mission-vision {
    display: flex;
    gap: 40px;
    margin-bottom: 40px;
}

.text-block {
    background-color: #272C3E;
    padding: 30px;
    border-radius: 10px;
    border-left: 5px solid var(--gold);
}

.text-block h3 {
    color: var(--gold);
    margin-bottom: 10px;
}

.company-info {
    text-align: center;
    font-style: italic;
    font-size: 1.1rem;
}

/* Product Section */
.product-intro, .working-principle {
    max-width: 800px;
    margin: 0 auto 40px;
    text-align: center;
}

.product-image-container {
    text-align: center;
    margin-bottom: 40px;
}

.product-image {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
}

/* Features Section */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.feature-card {
    background-color: var(--navy-blue);
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.feature-card img {
    height: 60px;
    margin-bottom: 15px;
    filter: invert(1);
}

.feature-card h3 {
    color: var(--gold);
    margin-bottom: 10px;
}

/* Beneficiaries Section */
.beneficiaries-list {
    max-width: 800px;
    margin: 0 auto;
}

.beneficiaries-list ul {
    list-style: none;
    padding: 0;
}

.beneficiaries-list li {
    background-color: #272C3E;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 15px;
}

.beneficiaries-list li strong {
    color: var(--gold);
    display: block;
    margin-bottom: 5px;
}

/* Contact Section */
.contact-info {
    text-align: center;
}

.contact-info .btn {
    margin-bottom: 20px;
    background-color: transparent;
    border: 2px solid var(--gold);
    color: var(--gold);
    padding: 12px 30px;
}

.contact-info .btn:hover {
    background-color: var(--gold);
    color: var(--dark-blue);
}

/* Footer */
.footer {
    background-color: var(--navy-blue);
    text-align: center;
    padding: 20px 0;
    border-top: 1px solid #333;
}

.footer p {
    font-size: 0.9rem;
}

/* Media Queries for Responsiveness */
@media (max-width: 768px) {
    .header .container {
        flex-direction: column;
        text-align: center;
    }

    .nav a {
        margin: 0 10px;
    }

    .hero h1 {
        font-size: 3rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .mission-vision {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2.5rem;
    }

    .nav a {
        display: block;
        margin: 10px 0;
    }

    .btn {
        padding: 10px 20px;
    }
}