/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Avenir', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #4a4a4a;
    background-color: #f5f5f5;
}

/* Header and Navigation */
header {
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

nav {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0.75rem 2rem;
    display: flex;
    justify-content: center;
    align-items: center;
}

.logo {
    display: none;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 0;
    width: 100%;
    max-width: 1000px;
    justify-content: center;
}

.nav-links li {
    flex: 1;
    text-align: center;
}

.nav-links a {
    text-decoration: none;
    color: #5a6c6d;
    font-weight: 400;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 1rem 1.5rem;
    transition: all 0.3s;
    display: block;
}

.nav-links a:hover,
.nav-links a.active {
    background-color: #d4e5dc;
    color: #2d3e3f;
}

/* Dropdown Menu */
.dropdown {
    position: relative;
}

.dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background-color: rgba(255, 255, 255, 0.98);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    list-style: none;
    min-width: 220px;
    padding: 0.5rem 0;
}

.dropdown:hover .dropdown-menu {
    display: block;
}

.dropdown-menu a {
    display: block;
    padding: 0.75rem 1.5rem;
    text-transform: none;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
}

/* Main Content */
main {
    max-width: 100%;
}

section {
    margin-bottom: 0;
}

/* Hero Section with Background Image */
.hero {
    position: relative;
    min-height: 500px;
    background-image: url('../images/hero-background.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 4rem 2rem;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.3);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
}

.hero h1 {
    font-size: 4rem;
    color: #2d3e3f;
    font-weight: 300;
    margin-bottom: 0;
    text-shadow: 2px 2px 4px rgba(255,255,255,0.8);
    font-style: italic;
    letter-spacing: 2px;
}

/* Welcome Section */
.welcome-section {
    background-color: #e8ede8;
    padding: 4rem 2rem;
    text-align: center;
}

.welcome-section h1 {
    font-size: 3rem;
    color: #6b9080;
    margin-bottom: 2rem;
    font-weight: 300;
    font-style: italic;
}

.welcome-section p {
    font-size: 1.1rem;
    max-width: 900px;
    margin: 0 auto 1.5rem;
    color: #5a6c6d;
    line-height: 1.8;
}

.welcome-section strong {
    font-size: 1.2rem;
}

/* Featured Section */
.featured {
    background-color: #d4dad4;
    padding: 3rem 2rem;
    text-align: center;
}

.nat-geo-badge {
    display: flex;
    justify-content: center;
    align-items: center;
}

.nat-geo-logo {
    max-width: 220px;
    height: auto;
}

/* Links Section */
.links-section {
    background-color: #e8ede8;
    padding: 2rem;
    text-align: center;
}

.links-section a {
    display: inline-block;
    margin: 0.5rem 1rem;
    color: #5a6c6d;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.links-section a:hover {
    color: #7fa99b;
}

/* Testimonials */
.testimonials {
    background-color: #f5f7f5;
    padding: 4rem 2rem;
}

.testimonials h2 {
    text-align: center;
    margin-bottom: 3rem;
    color: #6b9080;
    font-size: 2.2rem;
    font-weight: 300;
}

.testimonial {
    max-width: 900px;
    margin: 0 auto 3rem;
    background-color: #fff;
    padding: 2.5rem;
    border-radius: 4px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

blockquote {
    font-style: italic;
    font-size: 1.15rem;
    line-height: 1.8;
    border-left: 4px solid #7fa99b;
    padding-left: 2rem;
    margin: 0;
    color: #5a6c6d;
}

blockquote footer {
    margin-top: 1.5rem;
    font-style: normal;
    font-weight: 600;
    color: #2d3e3f;
    font-size: 1rem;
}

/* Quote Section */
.quote {
    text-align: center;
    background-color: #c7d3c7;
    padding: 3rem 2rem;
}

.quote h2 {
    font-size: 1.6rem;
    font-style: italic;
    font-weight: 400;
    margin-bottom: 0.75rem;
    color: #2d3e3f;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.quote p {
    font-size: 1.1rem;
    color: #5a6c6d;
    font-weight: 500;
}

/* Content Sections */
.content-section {
    max-width: 1100px;
    margin: 0 auto;
    padding: 4rem 2rem;
    background-color: #fff;
}

.content-section h1 {
    color: #6b9080;
    margin-bottom: 2rem;
    font-size: 2.8rem;
    font-weight: 300;
}

.content-section h2 {
    color: #5a6c6d;
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    font-size: 1.8rem;
    font-weight: 400;
}

.content-section p {
    margin-bottom: 1.2rem;
    line-height: 1.8;
    color: #4a4a4a;
}

.content-section a {
    color: #7fa99b;
    text-decoration: none;
    transition: color 0.3s;
}

.content-section a:hover {
    color: #6b9080;
    text-decoration: underline;
}

.content-section ul {
    margin-left: 2rem;
    margin-bottom: 1.5rem;
}

.content-section li {
    margin-bottom: 0.75rem;
    line-height: 1.6;
    color: #5a6c6d;
}

/* Images */
img {
    max-width: 100%;
    height: auto;
}

.profile-photo {
    max-width: 300px;
    margin: 2rem auto;
    display: block;
    border-radius: 50%;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

/* Footer */
footer {
    background-color: #5a6c6d;
    color: #e8ede8;
    text-align: center;
    padding: 2rem;
}

footer a {
    color: #c7d3c7;
    text-decoration: none;
}

footer a:hover {
    color: #fff;
}

/* Responsive Design */
@media (max-width: 768px) {
    nav {
        padding: 0.5rem 1rem;
    }

    .nav-links {
        flex-direction: column;
        gap: 0;
        width: 100%;
        max-width: 100%;
    }

    .nav-links li {
        flex: none;
    }

    .nav-links a {
        padding: 0.75rem;
        font-size: 0.85rem;
        border-bottom: 1px solid #e8ede8;
    }

    .dropdown-menu {
        position: static;
        box-shadow: none;
        background-color: #f0f0f0;
    }

    .hero {
        min-height: 350px;
        padding: 2rem 1rem;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .welcome-section h1 {
        font-size: 2rem;
    }

    .welcome-section p {
        font-size: 1rem;
    }

    .content-section {
        padding: 2rem 1rem;
    }

    .content-section h1 {
        font-size: 2rem;
    }

    .quote h2 {
        font-size: 1.3rem;
    }

    .testimonials {
        padding: 2rem 1rem;
    }

    .testimonial {
        padding: 1.5rem;
    }

    blockquote {
        font-size: 1rem;
        padding-left: 1rem;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2rem;
    }

    .welcome-section h1 {
        font-size: 1.6rem;
    }
}