:root {
    --primary-color: #2e7d32;
    --secondary-color: #4caf50;
    --accent-color: #81c784;
    --bg-gradient: linear-gradient(135deg, #1b5e20 0%, #43a047 100%);
    --text-color: #333;
    --light-bg: #f1f8e9;
    --white: #ffffff;
    --dark-green: #1b5e20;
    --container-width: 1200px;
}

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

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    background-color: var(--light-bg);
}

h1, h2, h3 {
    font-family: 'Playfair Display', serif;
    margin-bottom: 1rem;
    color: var(--dark-green);
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header & Nav */
header {
    background: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1rem 0;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    font-family: 'Playfair Display', serif;
}

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

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

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

.nav-links a:hover, .nav-links a.active {
    color: var(--primary-color);
}

/* Hero Section */
.hero {
    height: 80vh;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
}

.hero-content {
    max-width: 800px;
}

.hero h1 {
    font-size: 4rem;
    color: var(--white);
    margin-bottom: 1.5rem;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
}

.btn {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: transform 0.3s, background 0.3s;
    margin: 0 0.5rem;
}

.btn:hover {
    transform: translateY(-3px);
}

.btn-primary {
    background: var(--bg-gradient);
    color: var(--white);
}

.btn-secondary {
    background: var(--white);
    color: var(--primary-color);
}

/* Announcement */
.announcement {
    margin: -50px auto 50px;
    position: relative;
    z-index: 10;
}

.alert {
    background: var(--white);
    padding: 3rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    border-left: 10px solid var(--primary-color);
}

.trip-list {
    list-style: none;
    margin-top: 1.5rem;
}

.trip-list li {
    padding: 1rem 0;
    border-bottom: 1px solid #eee;
}

/* Mission Section */
.mission {
    padding: 5rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.mission-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
}

.mission-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.mission-card img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-radius: 10px;
    margin-bottom: 1.5rem;
    filter: grayscale(100%);
}

/* About Us Styles */
.about-hero {
    padding: 5rem 0;
    background: var(--bg-gradient);
    color: var(--white);
    text-align: center;
}

.about-hero h1 {
    color: var(--white);
}

.content-section {
    padding: 5rem 0;
}

.content-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.content-img img {
    width: 100%;
    border-radius: 15px;
    filter: grayscale(100%);
}

.q-and-a {
    margin-top: 3rem;
}

.q-item {
    margin-bottom: 2rem;
}

.q-item h4 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

/* Stories */
.stories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.story-card {
    background: var(--white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.story-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    filter: grayscale(100%);
}

.story-content {
    padding: 1.5rem;
}

/* Footer */
footer {
    background: #1a1a1a;
    color: #ccc;
    padding: 5rem 0 2rem;
    margin-top: 5rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-info h3, .footer-contact h3 {
    color: var(--white);
    margin-bottom: 1.5rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #333;
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 { font-size: 2.5rem; }
    .content-grid { grid-template-columns: 1fr; }
    .nav-links { display: none; }
}