/* ===== CSS Variables & Base ===== */
:root {
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --glass-bg: rgba(255, 255, 255, 0.15);
    --glass-border: rgba(255, 255, 255, 0.25);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.8);
    --transition-smooth: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --border-radius: 20px;
    --border-radius-sm: 12px;
}

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

html {
    font-size: 16px;
}

body {
    font-family: var(--font-family);
    min-height: 100vh;
    color: var(--text-primary);
    overflow-x: hidden;
    transition: var(--transition-smooth);
    position: relative;
}

/* ===== Weather Background States ===== */
.weather-clear {
    background: linear-gradient(135deg, #667eea 0%, #f093fb 50%, #f5576c 100%);
}

.weather-partly-cloudy {
    background: linear-gradient(135deg, #89ABE3 0%, #B0C4DE 50%, #A9C9FF 100%);
}

.weather-cloudy {
    background: linear-gradient(135deg, #636e72 0%, #b2bec3 50%, #95a5a6 100%);
}

.weather-fog {
    background: linear-gradient(135deg, #bdc3c7 0%, #dfe6e9 50%, #ecf0f1 100%);
}

.weather-fog {
    --text-primary: #2d3436;
    --text-secondary: rgba(45, 52, 54, 0.8);
    --glass-bg: rgba(0, 0, 0, 0.1);
    --glass-border: rgba(0, 0, 0, 0.15);
}

.weather-rain {
    background: linear-gradient(135deg, #0f2027 0%, #203a43 50%, #2c5364 100%);
}

.weather-showers {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
}

.weather-snow {
    background: linear-gradient(135deg, #e0eafc 0%, #cfdef3 50%, #a8c0ff 100%);
}

.weather-snow {
    --text-primary: #2d3436;
    --text-secondary: rgba(45, 52, 54, 0.8);
    --glass-bg: rgba(0, 0, 0, 0.1);
    --glass-border: rgba(0, 0, 0, 0.15);
}

.weather-thunderstorm {
    background: linear-gradient(135deg, #0c0c0c 0%, #1a1a2e 50%, #2d132c 100%);
}

/* ===== Particles Container ===== */
#particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

/* Rain particles */
.rain-drop {
    position: absolute;
    width: 2px;
    height: 20px;
    background: linear-gradient(transparent, rgba(255, 255, 255, 0.6));
    animation: rain-fall linear infinite;
}

@keyframes rain-fall {
    0% {
        transform: translateY(-100vh);
        opacity: 0;
    }

    10% {
        opacity: 1;
    }

    90% {
        opacity: 1;
    }

    100% {
        transform: translateY(100vh);
        opacity: 0;
    }
}

/* Snow particles */
.snowflake {
    position: absolute;
    width: 8px;
    height: 8px;
    background: white;
    border-radius: 50%;
    filter: blur(1px);
    animation: snow-fall linear infinite;
}

@keyframes snow-fall {
    0% {
        transform: translateY(-100vh) rotate(0deg);
        opacity: 0;
    }

    10% {
        opacity: 0.8;
    }

    90% {
        opacity: 0.8;
    }

    100% {
        transform: translateY(100vh) rotate(360deg);
        opacity: 0;
    }
}

/* Cloud overlay */
.cloud {
    position: absolute;
    width: 200px;
    height: 80px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 100px;
    filter: blur(20px);
    animation: cloud-drift linear infinite;
}

.cloud::before,
.cloud::after {
    content: '';
    position: absolute;
    background: inherit;
    border-radius: 50%;
}

.cloud::before {
    width: 100px;
    height: 100px;
    top: -40px;
    left: 30px;
}

.cloud::after {
    width: 80px;
    height: 80px;
    top: -30px;
    right: 40px;
}

@keyframes cloud-drift {
    0% {
        transform: translateX(-300px);
    }

    100% {
        transform: translateX(calc(100vw + 300px));
    }
}

/* Lightning effect */
.lightning {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: white;
    opacity: 0;
    pointer-events: none;
    z-index: 1;
}

.lightning.flash {
    animation: lightning-flash 0.2s ease-out;
}

@keyframes lightning-flash {

    0%,
    100% {
        opacity: 0;
    }

    10%,
    30% {
        opacity: 0.8;
    }

    20%,
    40% {
        opacity: 0;
    }

    50% {
        opacity: 0.6;
    }
}

/* Sun rays for clear weather */
.sun-rays {
    position: fixed;
    top: -100px;
    right: -100px;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255, 220, 100, 0.4) 0%, transparent 70%);
    border-radius: 50%;
    animation: sun-pulse 4s ease-in-out infinite;
    pointer-events: none;
}

@keyframes sun-pulse {

    0%,
    100% {
        transform: scale(1);
        opacity: 0.6;
    }

    50% {
        transform: scale(1.1);
        opacity: 0.8;
    }
}

/* ===== Clock Indicator ===== */
.clock-indicator {
    position: fixed;
    top: 20px;
    left: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    box-shadow: var(--glass-shadow);
    z-index: 100;
    transition: var(--transition-smooth);
}

.clock-indicator:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

#clock-icon {
    font-size: 1.5rem;
}

#clock-time {
    font-weight: 600;
    font-size: 1.2rem;
    font-variant-numeric: tabular-nums;
    letter-spacing: 1px;
}

/* ===== Weather Indicator ===== */
.weather-indicator {
    position: fixed;
    top: 20px;
    right: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    box-shadow: var(--glass-shadow);
    z-index: 100;
    transition: var(--transition-smooth);
}

.weather-indicator:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

#weather-icon {
    font-size: 1.5rem;
}

.weather-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

#weather-temp {
    font-weight: 600;
    font-size: 1rem;
}

#weather-location {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* ===== Main Container ===== */
.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 80px 20px 40px;
    position: relative;
    z-index: 10;
}

/* ===== Glass Cards ===== */
.card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    padding: 40px;
    margin-bottom: 30px;
    box-shadow: var(--glass-shadow);
    transition: var(--transition-smooth);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.15);
}

/* ===== Contact Card ===== */
.contact-card {
    text-align: center;
}

.contact-card h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 8px;
    letter-spacing: -0.5px;
}

.subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 30px;
}

.contact-info {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50px;
    transition: var(--transition-smooth);
}

.contact-item:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.contact-icon {
    font-size: 1.2rem;
}

.contact-item a,
.contact-item span {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
}

.contact-item a:hover {
    text-decoration: underline;
}

/* ===== Links Card ===== */
.links-card h2 {
    font-size: 1.8rem;
    margin-bottom: 30px;
    text-align: center;
}

.links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.link-item {
    display: flex;
    gap: 16px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: var(--border-radius-sm);
    text-decoration: none;
    color: var(--text-primary);
    transition: var(--transition-smooth);
    border: 1px solid transparent;
}

.link-item:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--glass-border);
    transform: translateY(-4px);
}

.link-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.link-content h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 6px;
}

.link-content p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ===== Location Prompt ===== */
.location-prompt {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1000;
    animation: slide-up 0.5s ease-out;
}

@keyframes slide-up {
    from {
        transform: translateX(-50%) translateY(100px);
        opacity: 0;
    }

    to {
        transform: translateX(-50%) translateY(0);
        opacity: 1;
    }
}

.location-prompt.hidden {
    display: none;
}

.prompt-content {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 24px;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 60px;
    box-shadow: var(--glass-shadow);
}

.prompt-icon {
    font-size: 1.5rem;
}

.prompt-content p {
    font-weight: 500;
}

.prompt-buttons {
    display: flex;
    gap: 10px;
}

.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 50px;
    font-family: var(--font-family);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.btn-primary {
    background: white;
    color: #333;
}

.btn-primary:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 20px rgba(255, 255, 255, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* ===== Footer ===== */
.footer {
    text-align: center;
    padding: 20px;
    color: var(--text-secondary);
    font-size: 0.85rem;
    position: relative;
    z-index: 10;
}

/* ===== Responsive Design ===== */
@media (max-width: 768px) {
    .container {
        padding: 100px 16px 30px;
    }

    .card {
        padding: 30px 24px;
    }

    .contact-card h1 {
        font-size: 2rem;
    }

    .contact-info {
        flex-direction: column;
        align-items: center;
    }

    .weather-indicator {
        top: 10px;
        right: 10px;
        padding: 10px 16px;
    }

    #weather-icon {
        font-size: 1.2rem;
    }

    #weather-temp {
        font-size: 0.9rem;
    }

    .location-prompt {
        left: 16px;
        right: 16px;
        transform: none;
        bottom: 20px;
    }

    @keyframes slide-up {
        from {
            transform: translateY(100px);
            opacity: 0;
        }

        to {
            transform: translateY(0);
            opacity: 1;
        }
    }

    .prompt-content {
        flex-wrap: wrap;
        justify-content: center;
        text-align: center;
        border-radius: var(--border-radius);
        padding: 20px;
    }

    .prompt-content p {
        width: 100%;
    }

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

@media (max-width: 480px) {
    .contact-card h1 {
        font-size: 1.75rem;
    }

    .link-item {
        flex-direction: column;
        text-align: center;
    }

    .link-icon {
        font-size: 2.5rem;
    }
}