:root {
    --background-color: #F9FAFB;
    --surface-color: #FFFFFF;
    --text-color: #1F2937;
    --muted-text: #6B7280;
    --border-color: #E5E7EB;
    --primary-accent: #2E7D32;
    --primary-accent-contrast: #FFFFFF;
    --shadow-color: 0 10px 30px rgba(0, 0, 0, 0.06);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: 'Nunito', sans-serif;
    color: var(--text-color);
    background: radial-gradient(1200px 600px at 20% -10%, rgba(46, 125, 50, 0.07), transparent 60%),
                radial-gradient(800px 500px at 110% 20%, rgba(46, 125, 50, 0.05), transparent 60%),
                var(--background-color);
}

.container {
    max-width: 1120px;
    margin: 0 auto;
    padding: 24px;
}

/* Header */
header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 0 16px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo {
    max-width: 140px;
}

nav a {
    color: var(--muted-text);
    text-decoration: none;
    margin: 0 10px;
    font-weight: 700;
}

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

.cta {
    background: var(--primary-accent);
    color: var(--primary-accent-contrast);
    border: none;
    padding: 10px 16px;
    border-radius: 12px;
    font-weight: 800;
    cursor: pointer;
    box-shadow: var(--shadow-color);
}

/* Hero */
.hero {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
    gap: 40px;
    margin: 40px 0 64px;
}

.hero-copy h1 {
    font-size: 3rem;
    line-height: 1.15;
    font-weight: 900;
    margin: 0 0 12px 0;
}

.hero-copy p {
    font-size: 1.125rem;
    color: var(--muted-text);
    margin: 0 0 28px 0;
}

.store-buttons {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.store-button img {
    height: 56px;
    transition: transform 0.2s ease-in-out;
    filter: drop-shadow(0 6px 16px rgba(0,0,0,0.08));
}

.store-button:hover img {
    transform: translateY(-2px) scale(1.02);
}

.hero-card {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 24px;
    box-shadow: var(--shadow-color);
}

.chips {
    display: flex;
    gap: 10px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.chip {
    background: rgba(46, 125, 50, 0.08);
    color: var(--primary-accent);
    border: 1px solid rgba(46, 125, 50, 0.18);
    padding: 6px 10px;
    font-size: 0.85rem;
    font-weight: 800;
    border-radius: 999px;
}

.stat-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-top: 18px;
}

.stat {
    background: #F3F4F6;
    border: 1px solid var(--border-color);
    border-radius: 14px;
    padding: 12px;
}

.stat h3 {
    margin: 0;
    font-size: 1.25rem;
    color: var(--primary-accent);
}

.stat p {
    margin: 4px 0 0;
    font-size: 0.9rem;
    color: var(--muted-text);
}

/* Features */
.section {
    margin: 64px 0;
}

.section h2 {
    font-size: 2rem;
    margin-bottom: 12px;
}

.section p.lead {
    margin-top: 0;
    color: var(--muted-text);
}

.features {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-top: 28px;
}

.feature {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 18px;
    text-align: left;
    box-shadow: var(--shadow-color);
}

.feature .icon {
    font-size: 1.4rem;
    display: inline-flex;
    width: 36px;
    height: 36px;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    background: rgba(46, 125, 50, 0.08);
    color: var(--primary-accent);
    border: 1px solid rgba(46, 125, 50, 0.18);
}

.feature h3 {
    margin: 12px 0 6px;
    font-size: 1.1rem;
}

.feature p {
    margin: 0;
    color: var(--muted-text);
    font-size: 0.95rem;
}

/* How it works */
.steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 20px;
}

.step {
    background: #FFFFFF;
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 18px;
    text-align: left;
    box-shadow: var(--shadow-color);
}

.step .num {
    display: inline-flex;
    width: 28px;
    height: 28px;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    background: var(--primary-accent);
    color: #fff;
    font-weight: 900;
    margin-bottom: 10px;
}

.step h3 {
    margin: 0 0 6px 0;
    font-size: 1.05rem;
}

.step p {
    margin: 0;
    color: var(--muted-text);
}

/* Footer */
footer {
    border-top: 1px solid var(--border-color);
    padding-top: 30px;
    margin-top: 80px;
    font-size: 0.95rem;
    color: var(--muted-text);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}

footer nav a {
    color: var(--muted-text);
    text-decoration: none;
    margin: 0 10px;
    transition: color 0.2s;
    font-weight: 700;
}

footer nav a:hover {
    color: var(--primary-accent);
}

/* Responsive */
@media (max-width: 1024px) {
    .features {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 860px) {
    .hero {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .features {
        grid-template-columns: 1fr;
    }
    .steps {
        grid-template-columns: 1fr;
    }
    .store-button img {
        height: 50px;
    }
    .hero-copy h1 {
        font-size: 2.2rem;
    }
}