:root {
    --green-dark: #1f4d2e;
    --green-main: #2f6f46;
    --green-light: #eaf4ec;
    --green-soft: #f7faf7;
    --text: #222;
    --white: #fff;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    height: 100%;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    background: var(--green-soft);
    color: var(--text);
}

.page-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 78px;
    background: var(--green-dark);
    color: white;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 32px;
    z-index: 1000;
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.header-left h1 {
    margin: 0;
    font-size: 30px;
}

.header-left span {
    font-size: 14px;
    color: #d7e8dc;
}

nav a {
    color: white;
    text-decoration: none;
    margin-left: 24px;
    font-weight: bold;
}

nav a:hover,
nav a.active {
    text-decoration: underline;
}

main {
    margin-top: 78px;
    margin-bottom: 38px;
    height: calc(100vh - 116px);
    overflow-y: auto;
    padding: 34px;
}

.content {
    max-width: 1100px;
    margin: 0 auto;
}

.hero {
    background: linear-gradient(135deg, var(--green-main), var(--green-dark));
    color: white;
    padding: 42px;
    border-radius: 10px;
    margin-bottom: 36px;
}

.hero h2 {
    margin-top: 0;
    font-size: 38px;
}

.hero p {
    font-size: 18px;
    line-height: 1.6;
    max-width: 760px;
}

section {
    margin-bottom: 44px;
}

section h2 {
    color: var(--green-dark);
    border-bottom: 3px solid var(--green-main);
    padding-bottom: 10px;
}

.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.card {
    background: white;
    border-left: 8px solid var(--green-main);
    padding: 24px;
    border-radius: 6px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.10);
}

.card h3 {
    margin-top: 0;
    color: var(--green-dark);
}

.date {
    color: var(--green-main);
    font-weight: bold;
}

.button {
    display: inline-block;
    margin-top: 10px;
    background: var(--green-main);
    color: white;
    text-decoration: none;
    padding: 10px 16px;
    border-radius: 4px;
}

.button:hover {
    background: var(--green-dark);
}

.info-box {
    background: white;
    padding: 24px;
    border-radius: 6px;
    border-left: 8px solid var(--green-main);
    box-shadow: 0 2px 8px rgba(0,0,0,0.10);
}

footer {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    height: 38px;
    background: var(--green-dark);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    z-index: 1000;
}

@media (max-width: 800px) {
    .page-header {
        height: auto;
        flex-direction: column;
        align-items: flex-start;
        padding: 15px 20px;
    }

    nav {
        margin-top: 10px;
    }

    nav a {
        margin-left: 0;
        margin-right: 15px;
        display: inline-block;
    }

    main {
        margin-top: 132px;
        height: calc(100vh - 170px);
        padding: 22px;
    }

    .hero h2 {
        font-size: 28px;
    }
}