* {
    box-sizing: border-box;
    font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body {
    margin: 0;
    min-height: 100vh;
    background:
        radial-gradient(circle at top left, rgba(255,255,255,0.35), transparent 35%),
        linear-gradient(135deg, #0f172a, #2563eb, #06b6d4);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.app {
    width: 100%;
    max-width: 1050px;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 28px;
    align-items: center;
}

.hero h1 {
    font-size: clamp(38px, 6vw, 72px);
    line-height: 1;
    margin: 0 0 18px;
}

.hero p {
    font-size: 18px;
    color: rgba(255,255,255,0.82);
    max-width: 520px;
    line-height: 1.7;
}

.badge {
    display: inline-flex;
    padding: 8px 14px;
    border-radius: 999px;
    background: rgba(255,255,255,0.16);
    border: 1px solid rgba(255,255,255,0.24);
    backdrop-filter: blur(12px);
    margin-bottom: 22px;
    font-size: 14px;
}

.card {
    background: rgba(255,255,255,0.18);
    border: 1px solid rgba(255,255,255,0.28);
    border-radius: 32px;
    padding: 28px;
    box-shadow: 0 24px 80px rgba(0,0,0,0.28);
    backdrop-filter: blur(22px);
}

form {
    display: flex;
    gap: 10px;
    margin-bottom: 24px;
}

input {
    width: 100%;
    border: none;
    outline: none;
    border-radius: 18px;
    padding: 15px 18px;
    font-size: 16px;
    color: #0f172a;
}

button {
    border: none;
    border-radius: 18px;
    padding: 15px 20px;
    font-weight: 700;
    cursor: pointer;
    color: #0f172a;
    background: #facc15;
    transition: 0.2s;
}

button:hover {
    transform: translateY(-2px);
    background: #fde047;
}

.error {
    background: rgba(239,68,68,0.22);
    border: 1px solid rgba(248,113,113,0.4);
    padding: 14px;
    border-radius: 16px;
    margin-bottom: 20px;
}

.weather-main {
    text-align: center;
    padding: 18px 0;
}

.weather-main img {
    width: 110px;
    height: 110px;
}

.temp {
    font-size: 76px;
    font-weight: 800;
    line-height: 1;
}

.city {
    font-size: 26px;
    font-weight: 700;
    margin-top: 10px;
}

.description {
    color: rgba(255,255,255,0.8);
    margin-top: 6px;
    font-size: 17px;
}

.stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
    margin-top: 24px;
}

.stat {
    background: rgba(255,255,255,0.14);
    border: 1px solid rgba(255,255,255,0.18);
    padding: 16px;
    border-radius: 20px;
}

.stat span {
    display: block;
    color: rgba(255,255,255,0.72);
    font-size: 13px;
    margin-bottom: 6px;
}

.stat strong {
    font-size: 22px;
}

.updated {
    text-align: center;
    color: rgba(255,255,255,0.72);
    margin-top: 18px;
    font-size: 13px;
}

.app-stack {
    grid-template-columns: 1fr;
    max-width: 1100px;
    align-items: start;
}

.forecast-card {
    width: 100%;
}

.forecast-head {
    text-align: center;
    margin-bottom: 18px;
}

.chart-wrap {
    background: linear-gradient(180deg, rgba(255,255,255,0.12), rgba(255,255,255,0.04));
    border: 1px solid rgba(255,255,255,0.18);
    border-radius: 22px;
    padding: 20px 20px 14px;
    margin-bottom: 22px;
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.12);
}

.chart-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 14px;
    gap: 12px;
    flex-wrap: wrap;
}

.chart-title {
    font-size: 16px;
    font-weight: 700;
    letter-spacing: 0.2px;
}

.chart-sub {
    font-size: 12px;
    color: rgba(255,255,255,0.65);
    margin-top: 2px;
}

.chart-legend {
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 12px;
    color: rgba(255,255,255,0.82);
}

.legend-dot {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    margin-right: 6px;
    vertical-align: middle;
    box-shadow: 0 0 0 3px rgba(255,255,255,0.08);
}

.legend-max { background: #facc15; }
.legend-min { background: #38bdf8; }

.chart-canvas {
    position: relative;
    height: 280px;
}

.forecast-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: 12px;
}

.day-card {
    background: rgba(255,255,255,0.14);
    border: 1px solid rgba(255,255,255,0.18);
    padding: 14px 10px;
    border-radius: 18px;
    text-align: center;
}

.day-card img {
    width: 60px;
    height: 60px;
    margin: 4px auto;
    display: block;
}

.day-label {
    font-weight: 700;
    font-size: 15px;
}

.date-label {
    color: rgba(255,255,255,0.72);
    font-size: 12px;
    margin-top: 2px;
}

.day-temps {
    margin-top: 4px;
}

.day-temps strong {
    font-size: 18px;
    margin-right: 6px;
}

.day-temps span {
    color: rgba(255,255,255,0.7);
    font-size: 14px;
}

.day-desc {
    color: rgba(255,255,255,0.78);
    font-size: 12px;
    margin-top: 6px;
    line-height: 1.3;
}

.nav-link {
    display: inline-block;
    margin-top: 16px;
    color: #facc15;
    text-decoration: none;
    font-weight: 600;
    font-size: 15px;
    border-bottom: 1px solid transparent;
    transition: 0.2s;
}

.nav-link:hover {
    border-bottom-color: #facc15;
}

.nav-link-center {
    display: block;
    text-align: center;
    margin-top: 14px;
}

.contact-card {
    grid-column: 1 / -1;
    margin-top: 32px;
}

.contact-head {
    text-align: center;
    margin-bottom: 20px;
}

.contact-head h2 {
    margin: 14px 0 8px;
    font-size: clamp(24px, 3vw, 32px);
}

.contact-head p {
    color: rgba(255,255,255,0.78);
    margin: 0;
    font-size: 15px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-bottom: 0;
}

.contact-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

.contact-field {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.contact-field label {
    font-size: 13px;
    font-weight: 600;
    color: rgba(255,255,255,0.82);
    margin-left: 4px;
}

.contact-field input,
.contact-field textarea {
    width: 100%;
    border: none;
    outline: none;
    border-radius: 14px;
    padding: 13px 16px;
    font-size: 15px;
    color: #0f172a;
    background: rgba(255,255,255,0.96);
    font-family: inherit;
    resize: vertical;
}

.contact-field textarea {
    min-height: 110px;
}

.contact-error {
    color: #fecaca;
    font-size: 12px;
    margin-left: 4px;
}

.contact-success {
    background: rgba(34,197,94,0.22);
    border: 1px solid rgba(74,222,128,0.45);
    color: #dcfce7;
    padding: 12px 14px;
    border-radius: 14px;
    margin-bottom: 16px;
    font-size: 14px;
}

.contact-form button {
    align-self: flex-start;
    padding: 13px 28px;
}

@media (max-width: 600px) {
    .contact-row {
        grid-template-columns: 1fr;
    }

    .contact-form button {
        align-self: stretch;
    }
}

@media (max-width: 850px) {
    .app {
        grid-template-columns: 1fr;
    }

    .hero {
        text-align: center;
    }

    .hero p {
        margin-left: auto;
        margin-right: auto;
    }
}

@media (max-width: 480px) {
    body {
        padding: 14px;
    }

    .card {
        padding: 20px;
        border-radius: 24px;
    }

    form {
        flex-direction: column;
    }

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

    .temp {
        font-size: 58px;
    }
}