body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    background-color: #f9f9f9;
}
.container {
    background-color: #ffffff;
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}
h1, h2, h3 {
    color: #1B8C4F;
}
h1 {
    font-size: 2.5em;
    margin-bottom: 0.5em;
    text-align: center;
}
h2 {
    border-bottom: 2px solid #1B8C4F;
    padding-bottom: 5px;
    margin-top: 1.5em;
}
a {
    color: #1B8C4F;
    text-decoration: none;
}
a:hover {
    text-decoration: underline;
}
nav {
    text-align: center;
    margin-bottom: 30px;
}
nav a {
    margin: 0 15px;
    font-size: 1.1em;
    font-weight: bold;
}
footer {
    text-align: center;
    margin-top: 40px;
    font-size: 0.9em;
    color: #777;
}
.logo-container {
    text-align: center;
    margin-bottom: 20px;
}
.logo-container img {
    width: 100px;
    height: 100px;
    border-radius: 20px;
}

/* ── Language switcher ── */
.lang-switcher {
    display: inline-block;
    margin-left: 20px;
    font-size: 0.95em;
}
.lang-switcher a,
.lang-switcher strong {
    margin: 0 4px;
}

/* ── Hero section ── */
.hero {
    text-align: center;
    padding: 20px 0 30px;
}
.hero h1 {
    font-size: 3em;
    margin-bottom: 0.2em;
}
.hero-subtitle {
    font-size: 1.3em;
    color: #555;
    margin-bottom: 24px;
}
.hero-desc {
    margin-top: 30px;
    font-size: 1em;
    color: #555;
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
}
.download-btns {
    margin: 0 0 10px;
}
.download-btns a {
    margin: 6px 8px;
    display: inline-block;
    padding: 12px 24px;
    color: white;
    background-color: #1B8C4F;
    border-radius: 8px;
    font-weight: bold;
    text-decoration: none;
}
.download-btns a:hover {
    background-color: #147340;
    text-decoration: none;
}

/* ── Features section ── */
.features {
    margin-top: 50px;
}
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-top: 24px;
}
.feature-card {
    background: #f4faf7;
    border-radius: 10px;
    padding: 24px 20px;
    text-align: center;
}
.feature-card h3 {
    font-size: 1.05em;
    margin: 10px 0 8px;
    border: none;
    padding: 0;
}
.feature-card p {
    font-size: 0.9em;
    color: #555;
    margin: 0;
}
.feature-icon {
    font-size: 2em;
}

/* ── How it works section ── */
.how-it-works {
    margin-top: 50px;
}
.steps {
    padding-left: 1.4em;
    margin-top: 16px;
}
.steps li {
    margin-bottom: 12px;
    font-size: 1em;
    color: #444;
}

/* ── CTA section ── */
.cta {
    margin-top: 50px;
    text-align: center;
    background: #f4faf7;
    border-radius: 10px;
    padding: 36px 24px;
}
.cta h2 {
    border: none;
    padding: 0;
    margin-top: 0;
}
.cta p {
    color: #555;
    margin-bottom: 20px;
}