:root {
    --bg-color: #F9F8F5;
    --primary-color: #4A5D4E; /* Sage Green */
    --text-color: #2C2C2C;
    --accent-color: #A3B18A;
    --white: #FFFFFF;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    --transition: all 0.3s ease;
}

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

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

h1, h2, h3, .logo {
    font-family: 'Libre Baskerville', serif;
}

/* Header & Nav */
header {
    background: rgba(249, 248, 245, 0.8);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.5rem 2rem;
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--primary-color);
}

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

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
}

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

/* Hero Section */
.hero {
    padding: 12rem 2rem 6rem;
    text-align: center;
    background: linear-gradient(180deg, #F0EFEB 0%, var(--bg-color) 100%);
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    font-weight: 400;
}

.hero p {
    font-size: 1.2rem;
    color: #666;
    font-weight: 300;
}

/* Plant Grid */
.plant-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2.5rem;
    padding: 4rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.plant-card {
    background: var(--white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    cursor: pointer;
    border: 1px solid rgba(0,0,0,0.02);
}

.plant-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.1);
}

.card-image {
    width: 100%;
    height: 350px;
    object-fit: cover;
}

.card-content {
    padding: 1.5rem;
}

.card-content h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.card-content p {
    font-style: italic;
    color: #888;
    font-size: 0.9rem;
}

/* Modal Styling */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.6);
    backdrop-filter: blur(5px);
    overflow-y: auto;
}

.modal-content {
    background-color: var(--bg-color);
    margin: 5% auto;
    padding: 3rem;
    border-radius: 20px;
    width: 90%;
    max-width: 900px;
    position: relative;
    box-shadow: 0 20px 50px rgba(0,0,0,0.3);
}

.close-button {
    position: absolute;
    right: 2rem;
    top: 2rem;
    font-size: 2rem;
    cursor: pointer;
    color: #aaa;
    transition: var(--transition);
}

.close-button:hover {
    color: var(--text-color);
}

.modal-header h2 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.modal-header .latin-name {
    font-style: italic;
    font-size: 1.2rem;
    color: #888;
    margin-bottom: 2rem;
}

.modal-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

@media (max-width: 768px) {
    header {
        padding: 1.2rem 1rem;
    }

    nav {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .logo {
        font-size: 1.3rem;
        letter-spacing: 2px;
    }

    .nav-links {
        gap: 1.5rem;
    }

    .nav-links a {
        font-size: 0.8rem;
    }

    .modal-grid {
        grid-template-columns: 1fr;
    }
    .hero h1 {
        font-size: 2.5rem;
    }
}

.modal-section {
    margin-bottom: 2rem;
}

.modal-section h4 {
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 0.8rem;
    color: var(--accent-color);
    margin-bottom: 1rem;
    border-bottom: 1px solid var(--accent-color);
    display: inline-block;
    padding-bottom: 4px;
}

.fun-fact-box {
    background: #E9ECEF;
    padding: 1.5rem;
    border-radius: 12px;
    font-style: italic;
    margin-top: 2rem;
}

.safety-notice {
    background: #FFF4F2;
    border-left: 4px solid #E63946;
    padding: 1rem;
    margin-top: 2rem;
    font-size: 0.9rem;
}

/* Footer */
footer {
    background: var(--white);
    padding: 4rem 2rem;
    text-align: center;
    border-top: 1px solid rgba(0,0,0,0.05);
}

.footer-content {
    max-width: 600px;
    margin: 0 auto;
}

.safety-footer {
    margin-top: 2rem;
    font-weight: 600;
    color: #E63946;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.plant-card {
    animation: fadeIn 0.6s ease forwards;
}