html {
  scroll-behavior: smooth;
}

/* Base Layout Configuration */



body {…}

/* 1. Sticky Mobile Navigation Bar */
.navbar {
    position: -webkit-sticky;
    position: sticky;
    top: 0;
    background-color: #ffffff;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    z-index: 1000;
    padding: 14px 20px;
}

.nav-container {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    justify-content: space-around;
}

.nav-link {
    text-decoration: none;
    color: #4a5568;
    font-weight: 600;
    font-size: 0.9rem;
    transition: color 0.2s ease;
}

.nav-link:hover, .nav-link:active {
    color: #1e4620;
}

/* Content Container Alignment */
main {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 16px;
}

/* Premium Dark Green Header Block */
header {
    background-color: #1e4620;
    color: #ffffff;
    padding: 45px 20px;
    border-radius: 0 0 16px 16px;
    text-align: center;
    margin-bottom: 30px;
}

header h1 {
    margin: 0;
    font-size: 2.1rem;
}

header p {
    margin: 10px 0 25px 0;
    opacity: 0.9;
    font-style: italic;
    font-size: 1rem;
}

/* Responsive Double CTA Button Layout */
.cta-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-items: center;
    justify-content: center;
}

@media (min-width: 480px) {
    .cta-group {
        flex-direction: row;
        gap: 16px;
    }
}

/* Base Pill-Button Formatting */
.cta-button {
    display: inline-block;
    padding: 12px 24px;
    color: #ffffff !important;
    text-decoration: none !important;
    font-weight: 700;
    font-size: 0.95rem;
    border-radius: 30px;
    transition: all 0.2s ease-in-out;
    width: 85%;
    max-width: 260px;
    text-align: center;
}

@media (min-width: 480px) {
    .cta-button {
        width: auto;
    }
}

/* Button Individual Colors */
.whatsapp-btn {
    background-color: #25d366;
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.3);
}

.whatsapp-btn:hover, .whatsapp-btn:active {
    background-color: #128c7e;
    transform: translateY(-2px);
}

.linkedin-btn {
    background-color: #0077b5;
    box-shadow: 0 4px 12px rgba(0, 119, 181, 0.3);
}

.linkedin-btn:hover, .linkedin-btn:active {
    background-color: #005582;
    transform: translateY(-2px);
}

/* Section Card Structuring */
section {
    background: #ffffff;
    padding: 25px;
    border-radius: 12px;
    margin-bottom: 25px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.04);
}

h2 {
    color: #1e4620;
    margin-top: 0;
    border-bottom: 2px solid #edf2f7;
    padding-bottom: 8px;
    font-size: 1.4rem;
}

/* 2. Responsive Content Display Grid */
.grid-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    margin-top: 20px;
}

@media (min-width: 600px) {
    .grid-container {
        grid-template-columns: 1fr 1fr;
    }
}

.grid-card {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    padding: 16px;
}

.grid-card h3 {
    color: #1e4620;
    margin: 14px 0 6px 0;
    font-size: 1.15rem;
}

.grid-card p {
    margin: 0;
    font-size: 0.9rem;
    color: #4a5568;
}

/* 3. Styled Geometric Image Placeholders */
.image-placeholder {
    width: 100%;
    height: 130px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 700;
}

.card-img-rabbit { background-color: #e6fffa; color: #234e52; border: 1px dashed #319795; }
.card-img-vegetable { background-color: #f0fff4; color: #22543d; border: 1px dashed #38a169; }
.card-img-waste { background-color: #fffff0; color: #744210; border: 1px dashed #d69e2e; }

/* Centered Footer Typography */
footer {
    text-align: center;
    padding: 25px 0;
    color: #a0aec0;
    font-size: 0.85rem;
}

/* Methodology Section Styling */
#methodology {
    padding: 40px 0;
}

.method-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.method-card {
    background: #ffffff;
    padding: 20px;
    border-left: 4px solid #1e4620; /* Consistent with your branding */
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    border-radius: 0 8px 8px 0;
}

.method-card h3 {
    color: #1e4620;
    margin-top: 0;
}

/* About Section Text Styling */
#about-founder p {
    line-height: 1.6;
    color: #2d3748;
    margin-bottom: 15px;
}