/* =====================================================
   CLOUDS BACKGROUND STYLES
   PNG Cloud images floating animation
   Responsive Design
   ===================================================== */

/* ========================================
   CLOUDS CONTAINER
======================================== */
.clouds-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: var(--z-clouds);
    pointer-events: none;
}

/* ========================================
   BASE CLOUD STYLES
======================================== */
.cloud {
    position: absolute;
    opacity: 1.0;
    filter: drop-shadow(0 4px 8px rgba(123, 104, 175, 0.358));
}

/* ========================================
   CLOUD POSITIONS - DESKTOP (Default)
======================================== */

/* Small cloud - floating at the top back */
.cloud-small-top {
    width: clamp(400px, 50vw, 990px);
    height: auto;
    top: -10%;
    right: -15%;
    animation: cloudDrift 60s ease-in-out infinite;
    z-index: 1;
}

/* Big cloud - bottom left */
.cloud-big-left {
    width: clamp(600px, 100vw, 1900px);
    height: auto;
    bottom: -46%;
    left: clamp(-370px, -20vw, -100px);
    animation: cloudSway 80s ease-in-out infinite;
    z-index: -1;
}

.cloud-medium-right {
    width: clamp(150px, 25vw, 400px);
    height: auto;
    bottom: 30%;
    right: 40%;
    animation: cloudBob 55s ease-in-out infinite;
    animation-delay: 5s;
    z-index: 1;
}

.cloud-medium-right-2 {
    width: clamp(300px, 45vw, 880px);
    height: auto;
    top: 35%;
    right: 10%;
    animation: cloudFloat 70s ease-in-out infinite;
    animation-delay: 10s;
    z-index: -2;
}

/* ========================================
   TABLET BREAKPOINT (1024px and below)
======================================== */
@media (max-width: 1024px) {
    .cloud-small-top {
        width: 500px;
        top: -8%;
        right: -20%;
    }

    .cloud-big-left {
        width: 1200px;
        bottom: -40%;
        left: -250px;
    }

    .cloud-medium-right {
        width: 250px;
        bottom: 25%;
        right: 35%;
    }

    .cloud-medium-right-2 {
        width: 550px;
        top: 30%;
        right: 5%;
    }
}

/* ========================================
   MOBILE LANDSCAPE (768px and below)
======================================== */
@media (max-width: 768px) {
    .cloud-small-top {
        width: 350px;
        top: -5%;
        right: -15%;
    }

    .cloud-big-left {
        width: 900px;
        bottom: -35%;
        left: -200px;
    }

    .cloud-medium-right {
        width: 180px;
        bottom: 20%;
        right: 30%;
    }

    .cloud-medium-right-2 {
        width: 400px;
        top: 25%;
        right: 0%;
    }
}

/* ========================================
   MOBILE PORTRAIT (480px and below)
======================================== */
@media (max-width: 480px) {
    .cloud-small-top {
        width: 250px;
        top: -3%;
        right: -10%;
    }

    .cloud-big-left {
        width: 600px;
        bottom: -30%;
        left: -150px;
    }

    .cloud-medium-right {
        width: 120px;
        bottom: 15%;
        right: 25%;
    }

    .cloud-medium-right-2 {
        width: 280px;
        top: 20%;
        right: -5%;
    }

    /* Reduce animation intensity on mobile for performance */
    .cloud {
        opacity: 0.85;
    }
}

/* ========================================
   SMALL MOBILE (360px and below)
======================================== */
@media (max-width: 360px) {
    .cloud-small-top {
        width: 200px;
        top: -2%;
        right: -8%;
    }

    .cloud-big-left {
        width: 450px;
        bottom: -25%;
        left: -100px;
    }

    .cloud-medium-right {
        width: 100px;
        bottom: 12%;
        right: 20%;
    }

    .cloud-medium-right-2 {
        width: 220px;
        top: 18%;
        right: -8%;
    }
}

/* ========================================
   CLOUD ANIMATIONS
======================================== */

/* Primary gentle drift animation */
@keyframes cloudFloat {
    0%, 100% {
        transform: translateX(0) translateY(0);
    }
    20% {
        transform: translateX(15px) translateY(-8px);
    }
    40% {
        transform: translateX(25px) translateY(-5px);
    }
    60% {
        transform: translateX(10px) translateY(-15px);
    }
    80% {
        transform: translateX(-10px) translateY(-10px);
    }
}

/* Secondary wave-like motion */
@keyframes cloudDrift {
    0%, 100% {
        transform: translateX(0) translateY(0) scale(1);
    }
    25% {
        transform: translateX(30px) translateY(-12px) scale(1.01);
    }
    50% {
        transform: translateX(15px) translateY(-20px) scale(1);
    }
    75% {
        transform: translateX(-15px) translateY(-8px) scale(0.99);
    }
}

/* Gentle bobbing motion */
@keyframes cloudBob {
    0%, 100% {
        transform: translateX(0) translateY(0);
    }
    33% {
        transform: translateX(-20px) translateY(-10px);
    }
    66% {
        transform: translateX(10px) translateY(-18px);
    }
}

/* Slow horizontal sway */
@keyframes cloudSway {
    0%, 100% {
        transform: translateX(0) translateY(0) rotate(0deg);
    }
    25% {
        transform: translateX(20px) translateY(-5px) rotate(0.5deg);
    }
    50% {
        transform: translateX(35px) translateY(-12px) rotate(0deg);
    }
    75% {
        transform: translateX(15px) translateY(-8px) rotate(-0.5deg);
    }
}

/* Reduced animation movement on mobile */
@media (max-width: 768px) {
    @keyframes cloudFloat {
        0%, 100% {
            transform: translateX(0) translateY(0);
        }
        25% {
            transform: translateX(8px) translateY(-5px);
        }
        50% {
            transform: translateX(12px) translateY(-10px);
        }
        75% {
            transform: translateX(-5px) translateY(-6px);
        }
    }
    
    @keyframes cloudDrift {
        0%, 100% {
            transform: translateX(0) translateY(0);
        }
        50% {
            transform: translateX(15px) translateY(-8px);
        }
    }
    
    @keyframes cloudBob {
        0%, 100% {
            transform: translateX(0) translateY(0);
        }
        50% {
            transform: translateX(-8px) translateY(-6px);
        }
    }
    
    @keyframes cloudSway {
        0%, 100% {
            transform: translateX(0) translateY(0);
        }
        50% {
            transform: translateX(10px) translateY(-5px);
        }
    }
}

/* ========================================
   DARK MODE CLOUDS
======================================== */
[data-theme="dark"] .cloud {
    opacity: 0.9;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
}

@media (max-width: 480px) {
    [data-theme="dark"] .cloud {
        opacity: 0.75;
    }
}

/* ========================================
   REDUCED MOTION
======================================== */
@media (prefers-reduced-motion: reduce) {
    .cloud {
        animation: none;
    }
}

/* ========================================
   LANDSCAPE ORIENTATION ADJUSTMENTS
======================================== */
@media (max-height: 500px) and (orientation: landscape) {
    .cloud-small-top {
        width: 300px;
        top: -15%;
    }

    .cloud-big-left {
        width: 700px;
        bottom: -50%;
    }

    .cloud-medium-right {
        width: 150px;
        bottom: 10%;
    }

    .cloud-medium-right-2 {
        width: 350px;
        top: 20%;
    }
}