* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    color: #172554;
    background: linear-gradient(135deg, #dbeafe, #f8fafc);
    min-height: 100vh;
}

.hero {
    text-align: center;
    padding: 55px 20px 80px;
    color: white;
    background: linear-gradient(120deg, #2563eb, #38bdf8);
}

.brand {
    font-size: clamp(30px, 5vw, 48px);
    font-weight: 800;
}

.hero p {
    margin: 12px 0 30px;
    font-size: 18px;
}

.search {
    display: flex;
    gap: 10px;
    max-width: 650px;
    margin: auto;
    padding: 8px;
    background: white;
    border-radius: 14px;
}

.search input {
    flex: 1;
    min-width: 0;
    border: none;
    outline: none;
    padding: 12px;
    font-size: 16px;
    color: #172554;
}

.search button {
    border: none;
    border-radius: 10px;
    padding: 12px 20px;
    color: white;
    background: #2563eb;
    font-weight: bold;
    cursor: pointer;
}

.search button:hover {
    background: #1d4ed8;
}

.container {
    width: min(1000px, 92%);
    margin: -45px auto 30px;
    position: relative;
}

.card {
    background: white;
    border-radius: 18px;
    padding: 28px;
    box-shadow: 0 8px 25px rgba(30, 64, 175, 0.09);
}

.main-weather {
    margin-bottom: 20px;
}

.eyebrow {
    color: #2563eb;
    font-size: 12px;
    font-weight: bold;
    letter-spacing: 2px;
}

.main-weather h1 {
    font-size: clamp(24px, 4vw, 34px);
    margin-bottom: 8px;
}

.muted {
    color: #64748b;
}

.temperature {
    font-size: clamp(60px, 10vw, 90px);
    font-weight: 800;
    letter-spacing: -4px;
    margin-top: 20px;
}

.main-weather h2 {
    margin-bottom: 6px;
}

.metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}

.metric {
    padding: 24px;
}

.metric-icon {
    font-size: 28px;
}

.metric p {
    color: #64748b;
}

.metric h2 {
    font-size: clamp(17px, 2.5vw, 24px);
    overflow-wrap: anywhere;
}

.error {
    margin-bottom: 20px;
    color: #b91c1c;
}

footer {
    padding: 30px 0;
    text-align: center;
    color: #64748b;
}

footer a {
    color: #2563eb;
}

@media (max-width: 650px) {
    .hero {
        padding-top: 35px;
    }

    .search {
        flex-direction: column;
    }

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