html {
    min-height: 100%;
}

body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    font-family: "Segoe UI", Arial, sans-serif;
    background-color: #f5f7fb;
    color: #1e293b;
}

/* Päis */
header {
    background: linear-gradient(135deg, #0f172a, #1e3a8a);
    color: white;
    text-align: center;
    padding: 75px 20px 85px;
}

header h1 {
    margin: 0;
    font-size: 36px;
    font-weight: 700;
    letter-spacing: -0.8px;
    line-height: 1.3;
}

/* Navigeerimismenüü */
nav {
    width: 85%;
    max-width: 850px;
    margin: -35px auto 50px;
    padding: 25px;
    background-color: white;
    border: 1px solid #e2e8f0;
    border-radius: 18px;
    box-shadow: 0 12px 35px rgba(15, 23, 42, 0.08);
    box-sizing: border-box;
}

nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

nav li {
    margin-bottom: 12px;
}

nav li:last-child {
    margin-bottom: 0;
}

nav a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 22px 25px;
    background-color: #f8faff;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    color: #1e40af;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    line-height: 1.5;
    transition: all 0.25s ease;
}

nav a::after {
    content: "→";
    margin-left: 15px;
    font-size: 24px;
    flex-shrink: 0;
    transition: transform 0.25s ease;
}

nav a:hover {
    background-color: #eff6ff;
    border-color: #93c5fd;
    color: #1d4ed8;
    transform: translateY(-3px);
    box-shadow: 0 6px 18px rgba(37, 99, 235, 0.1);
}

nav a:hover::after {
    transform: translateX(5px);
}

nav a:focus-visible {
    outline: 3px solid #60a5fa;
    outline-offset: 3px;
}

/* Jalus */
footer {
    margin-top: auto;
    padding: 25px 20px;
    background-color: white;
    border-top: 1px solid #e2e8f0;
    text-align: center;
}

footer p {
    margin: 0;
    color: #64748b;
    font-size: 13px;
    line-height: 1.6;
}

/* Väiksemad ekraanid */
@media (max-width: 600px) {
    header {
        padding: 55px 20px 70px;
    }

    header h1 {
        font-size: 26px;
    }

    nav {
        width: 92%;
        padding: 15px;
    }

    nav a {
        padding: 18px;
        font-size: 14px;
    }

    footer p {
        font-size: 12px;
    }
}

@media (prefers-reduced-motion: reduce) {
    nav a,
    nav a::after {
        transition: none;
    }
}