/* ---------- Üldised seaded ---------- */
:root {
    --bg: #f4f6fb;
    --surface: #ffffff;
    --text: #1f2937;
    --muted: #6b7280;
    --primary: #4f46e5;
    --primary-dark: #3730a3;
    --radius: 12px;
    --shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

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

html {
    scroll-behavior: smooth;
}

body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    font-family: "Segoe UI", system-ui, -apple-system, Roboto, Arial, sans-serif;
    line-height: 1.6;
    color: var(--text);
    background: var(--bg);
}

/* ---------- Päis ---------- */
header {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    padding: 40px 20px 24px;
    text-align: center;
    box-shadow: var(--shadow);
}

header h1 {
    font-size: clamp(1.5rem, 4vw, 2.4rem);
    font-weight: 700;
    letter-spacing: 0.5px;
    margin-bottom: 20px;
}

/* ---------- Navigatsioon ---------- */
nav ul {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
}

nav a {
    display: inline-block;
    padding: 10px 20px;
    color: #fff;
    text-decoration: none;
    font-weight: 600;
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.35);
    border-radius: 999px;
    transition: background 0.2s, color 0.2s, transform 0.2s;
}

nav a:hover,
nav a:focus-visible {
    background: #fff;
    color: var(--primary-dark);
    transform: translateY(-2px);
    outline: none;
}

/* ---------- Põhisisu ---------- */
main {
    flex: 1;
    width: min(900px, 92%);
    margin: 40px auto;
    padding: 40px 32px;
    background: var(--surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    text-align: center;
    font-size: 1.15rem;
}

main h2 {
    color: var(--primary);
    margin-bottom: 12px;
}

main p + p {
    margin-top: 12px;
}

main a {
    color: var(--primary);
}

main a:hover {
    color: var(--primary-dark);
}

/* ---------- Jalus ---------- */
footer {
    padding: 20px;
    text-align: center;
    color: var(--muted);
    font-size: 0.9rem;
    border-top: 1px solid #e5e7eb;
    background: var(--surface);
}

/* ---------- Mobiil ---------- */
@media (max-width: 600px) {
    header {
        padding: 28px 16px 20px;
    }

    main {
        margin: 24px auto;
        padding: 28px 20px;
    }
}