:root {
    --green-900: #1b3a2a;
    --green-700: #2e5d43;
    --green-600: #3a7a56;
    --green-100: #e8f3ec;
    --ink: #1f2823;
    --ink-soft: #4a564f;
    --bg: #fbfdfc;
    --card: #ffffff;
    --line: #dfe9e3;
    --radius: 14px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: var(--ink);
    background: var(--bg);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 860px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header */
.site-header {
    border-bottom: 1px solid var(--line);
    background: var(--bg);
}

.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--green-900);
    font-weight: 700;
    font-size: 18px;
    letter-spacing: 0.02em;
}

.brand .leaf {
    width: 30px;
    height: 30px;
    border-radius: 8px;
    background: var(--green-600);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
}

.site-nav a {
    color: var(--ink-soft);
    text-decoration: none;
    font-size: 15px;
    margin-left: 22px;
}

.site-nav a:hover {
    color: var(--green-700);
}

/* Hero */
.hero {
    background: linear-gradient(180deg, var(--green-100) 0%, var(--bg) 100%);
    padding: 72px 0 56px;
    text-align: center;
}

.hero h1 {
    font-size: 42px;
    line-height: 1.15;
    color: var(--green-900);
    margin-bottom: 16px;
}

.hero .tagline {
    font-size: 19px;
    color: var(--ink-soft);
    max-width: 560px;
    margin: 0 auto 32px;
}

.appstore-btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: #000;
    color: #fff;
    text-decoration: none;
    padding: 12px 26px;
    border-radius: 12px;
    transition: opacity 0.15s ease;
}

.appstore-btn:hover {
    opacity: 0.85;
}

.appstore-btn .apple {
    font-size: 30px;
    line-height: 1;
}

.appstore-btn .label {
    text-align: left;
    line-height: 1.25;
}

.appstore-btn .label small {
    display: block;
    font-size: 11px;
    font-weight: 400;
    opacity: 0.85;
}

.appstore-btn .label span {
    font-size: 18px;
    font-weight: 600;
}

/* Features */
.features {
    padding: 56px 0 24px;
}

.features h2 {
    text-align: center;
    color: var(--green-900);
    font-size: 28px;
    margin-bottom: 36px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
}

.feature {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 24px;
}

.feature .icon {
    font-size: 28px;
    margin-bottom: 12px;
}

.feature h3 {
    font-size: 17px;
    color: var(--green-900);
    margin-bottom: 8px;
}

.feature p {
    font-size: 15px;
    color: var(--ink-soft);
}

/* Support */
.support {
    padding: 40px 0 64px;
    text-align: center;
}

.support h2 {
    color: var(--green-900);
    font-size: 24px;
    margin-bottom: 10px;
}

.support p {
    color: var(--ink-soft);
}

.support a {
    color: var(--green-700);
    font-weight: 600;
    text-decoration: none;
}

.support a:hover {
    text-decoration: underline;
}

/* Legal pages */
.legal {
    padding: 48px 0 64px;
}

.legal h1 {
    font-size: 32px;
    color: var(--green-900);
    margin-bottom: 6px;
}

.legal .effective {
    color: var(--ink-soft);
    font-size: 15px;
    margin-bottom: 32px;
}

.legal h2 {
    font-size: 20px;
    color: var(--green-900);
    margin: 32px 0 10px;
}

.legal h3 {
    font-size: 16px;
    color: var(--green-700);
    margin: 20px 0 8px;
}

.legal p {
    margin-bottom: 12px;
}

.legal ul {
    margin: 0 0 12px 24px;
}

.legal li {
    margin-bottom: 6px;
}

.legal a {
    color: var(--green-700);
}

/* Footer */
.site-footer {
    border-top: 1px solid var(--line);
    padding: 28px 0;
    font-size: 14px;
    color: var(--ink-soft);
}

.site-footer .container {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 24px;
    align-items: center;
    justify-content: space-between;
}

.site-footer a {
    color: var(--ink-soft);
    text-decoration: none;
    margin-right: 18px;
}

.site-footer a:hover {
    color: var(--green-700);
}

@media (max-width: 600px) {
    .hero h1 {
        font-size: 32px;
    }

    .site-header .container {
        flex-direction: column;
        height: auto;
        padding-top: 14px;
        padding-bottom: 14px;
        gap: 8px;
    }

    .site-nav a:first-child {
        margin-left: 0;
    }
}