:root {
    --sky: #87ceeb;
    --sun: #ffd84d;
    --leaf: #7ed957;
    --ink: #1c355e;
    --light: #f7fbff;
    --card: #ffffff;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: linear-gradient(180deg, #dff4ff, #fffde9);
    color: var(--ink);
}

.container {
    width: min(1100px, 92%);
    margin: 0 auto;
}

.site-header {
    background: var(--sky);
    border-bottom: 4px solid var(--sun);
    position: sticky;
    top: 0;
    z-index: 20;
}

.nav-wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 0;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
}

.brand h1 {
    font-size: 1rem;
    margin: 0;
}

.brand p {
    margin: 2px 0 0;
    font-size: 0.8rem;
}

.brand-icon {
    font-size: 1.8rem;
}

nav {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

nav a {
    text-decoration: none;
    color: var(--ink);
    background: #fff;
    padding: 8px 10px;
    border-radius: 8px;
    font-weight: bold;
    font-size: 0.9rem;
}

.menu-toggle {
    display: none;
    border: 0;
    background: #fff;
    border-radius: 8px;
    padding: 8px 10px;
}

.hero {
    padding: 60px 0 35px;
    text-align: center;
    background: linear-gradient(135deg, #b9edff, #fff5a8);
    border-bottom: 3px dashed #85d567;
}

.hero h2 {
    font-size: clamp(1.7rem, 3vw, 2.6rem);
    margin: 0;
}

.hero p {
    font-size: 1.1rem;
}

.badge {
    display: inline-block;
    padding: 8px 14px;
    border-radius: 999px;
    background: var(--sun);
    font-weight: bold;
}

.btn {
    display: inline-block;
    padding: 10px 16px;
    border-radius: 10px;
    border: 0;
    background: var(--leaf);
    color: #08360c;
    font-weight: bold;
    text-decoration: none;
    cursor: pointer;
}

.btn.secondary {
    background: var(--sky);
    color: var(--ink);
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin: 24px 0;
}

.card {
    background: var(--card);
    border: 2px solid #c8eaff;
    border-radius: 14px;
    padding: 16px;
    box-shadow: 0 8px 18px rgba(0, 0, 0, 0.06);
}

.section {
    padding: 24px 0 36px;
}

form {
    background: var(--card);
    padding: 18px;
    border-radius: 14px;
    border: 2px solid #d4efc5;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

label {
    font-weight: bold;
    font-size: 0.9rem;
    display: block;
    margin-bottom: 6px;
}

input,
select,
textarea {
    width: 100%;
    border: 1px solid #b3cde4;
    border-radius: 10px;
    padding: 10px;
    font-size: 0.95rem;
}

textarea {
    min-height: 95px;
    resize: vertical;
}

.full {
    grid-column: 1 / -1;
}

.alert {
    padding: 10px 12px;
    border-radius: 10px;
    margin: 12px 0;
}

.alert.success {
    background: #d8ffd8;
    border: 1px solid #90dc90;
}

.alert.error {
    background: #ffe2e2;
    border: 1px solid #ffb4b4;
}

table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
}

th,
td {
    border: 1px solid #d5e9f8;
    padding: 10px;
    text-align: left;
}

th {
    background: #edf7ff;
}

.site-footer {
    margin-top: 30px;
    background: var(--leaf);
    color: #0f3b13;
    text-align: center;
    padding: 12px 0;
    font-weight: bold;
}

@media (max-width: 860px) {
    .grid-3 {
        grid-template-columns: 1fr;
    }

    .form-grid {
        grid-template-columns: 1fr;
    }

    .menu-toggle {
        display: block;
    }

    nav {
        display: none;
        width: 100%;
        flex-direction: column;
        padding-bottom: 8px;
    }

    nav.open {
        display: flex;
    }
}