.iaq-logo-white-text {
    position: relative;
    text-align: center;
    margin: 30px auto;
    max-width: 500px;
    height: auto;
    opacity: 0.9;
    transition: opacity 0.3s ease;
}

.iaq-logo-white-text:hover {
    opacity: 1;
}

.main-text {
    color: white;
    font-size: 3rem;
    font-weight: bold;
    margin: 10px 0;
}

.action-buttons {
    margin-top: 5%;
    text-align: center;
}

.btn-register {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    font-weight: 600;
    padding: 16px 32px;
    font-size: 1.1rem;
    border-radius: 25px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    text-shadow: 0 1px 2px rgba(255, 255, 255, 0.3);
    position: relative;
    overflow: hidden;
}

.btn-register:before {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.2),
        transparent
    );
    transition: left 0.6s;
}

.btn-register:hover {
    background: rgba(255, 255, 255, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.4);
    color: white;
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.2);
    text-shadow: 0 1px 3px rgba(255, 255, 255, 0.5);
}

.btn-register:hover:before {
    left: 100%;
}

.btn-login {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: white;
    font-weight: 600;
    padding: 16px 32px;
    font-size: 1.1rem;
    border-radius: 25px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    text-shadow: 0 1px 2px rgba(255, 255, 255, 0.3);
    position: relative;
    overflow: hidden;
}

.btn-login:before {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.2),
        transparent
    );
    transition: left 0.6s;
}

.btn-login:hover {
    background: rgba(255, 255, 255, 0.25);
    border: 1px solid rgba(255, 255, 255, 0.35);
    color: white;
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.2);
    text-shadow: 0 1px 3px rgba(255, 255, 255, 0.5);
}

.btn-login:hover:before {
    left: 100%;
}

/* Air Flow Footer */
.air-flow-footer {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    backdrop-filter: blur(5px);
    height: 100dvh;
    overflow: hidden;
    z-index: -1;
}

.air-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1000;
}

.particle {
    position: absolute;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    animation: airFlow 15s linear infinite;
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.2);
}

.particle-1 {
    width: 8px;
    height: 8px;
    top: 20%;
    left: -50px;
    animation-delay: 0s;
    animation-duration: 12s;
}

.particle-2 {
    width: 12px;
    height: 12px;
    top: 40%;
    left: -50px;
    animation-delay: 2s;
    animation-duration: 15s;
}

.particle-3 {
    width: 6px;
    height: 6px;
    top: 60%;
    left: -50px;
    animation-delay: 4s;
    animation-duration: 18s;
}

.particle-4 {
    width: 10px;
    height: 10px;
    top: 80%;
    left: -50px;
    animation-delay: 6s;
    animation-duration: 14s;
}

.particle-5 {
    width: 14px;
    height: 14px;
    top: 30%;
    left: -50px;
    animation-delay: 8s;
    animation-duration: 16s;
}

.particle-6 {
    width: 7px;
    height: 7px;
    top: 70%;
    left: -50px;
    animation-delay: 10s;
    animation-duration: 13s;
}

.particle-7 {
    width: 9px;
    height: 9px;
    top: 15%;
    left: -50px;
    animation-delay: 1s;
    animation-duration: 11s;
}

.particle-8 {
    width: 11px;
    height: 11px;
    top: 85%;
    left: -50px;
    animation-delay: 3s;
    animation-duration: 17s;
}

.particle-9 {
    width: 5px;
    height: 5px;
    top: 45%;
    left: -50px;
    animation-delay: 7s;
    animation-duration: 19s;
}

.particle-10 {
    width: 13px;
    height: 13px;
    top: 55%;
    left: -50px;
    animation-delay: 9s;
    animation-duration: 10s;
}

@keyframes airFlow {
    0% {
        transform: translateX(0) translateY(0) scale(0.5);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    50% {
        transform: translateX(50vw) translateY(-20px) scale(1);
        opacity: 0.8;
    }
    90% {
        opacity: 0.3;
    }
    100% {
        transform: translateX(100vw) translateY(-10px) scale(0.3);
        opacity: 0;
    }
}

/* Floating Particles */
.floating-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.float-particle {
    position: absolute;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    animation: floatUp 8s linear infinite;
    box-shadow: 0 0 8px rgba(255, 255, 255, 0.1);
}

.float-1 {
    width: 4px;
    height: 4px;
    left: 10%;
    animation-delay: 0s;
    animation-duration: 8s;
}

.float-2 {
    width: 6px;
    height: 6px;
    left: 25%;
    animation-delay: 1s;
    animation-duration: 10s;
}

.float-3 {
    width: 3px;
    height: 3px;
    left: 40%;
    animation-delay: 2s;
    animation-duration: 12s;
}

.float-4 {
    width: 5px;
    height: 5px;
    left: 55%;
    animation-delay: 3s;
    animation-duration: 9s;
}

.float-5 {
    width: 7px;
    height: 7px;
    left: 70%;
    animation-delay: 4s;
    animation-duration: 11s;
}

.float-6 {
    width: 4px;
    height: 4px;
    left: 85%;
    animation-delay: 5s;
    animation-duration: 7s;
}

.float-7 {
    width: 3px;
    height: 3px;
    left: 15%;
    animation-delay: 6s;
    animation-duration: 13s;
}

.float-8 {
    width: 5px;
    height: 5px;
    left: 60%;
    animation-delay: 7s;
    animation-duration: 8s;
}

@keyframes floatUp {
    0% {
        transform: translateY(200px) scale(0.3);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 0.8;
    }
    100% {
        transform: translateY(-50px) scale(1.2);
        opacity: 0;
    }
}

/* Wave Effects */
.wave-container {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.wave {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 200%;
    height: 100px;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 120' preserveAspectRatio='none'%3E%3Cpath d='M0,60 C200,30 400,90 600,50 C800,20 1000,80 1200,60 C1350,40 1400,70 1500,50 L1500,120 L0,120 Z' fill='rgba(255,255,255,0.04)'%3E%3C/path%3E%3C/svg%3E")
        repeat-x;
    animation: waveFlow 8s linear infinite;
}

.wave-1 {
    bottom: 0;
    animation-duration: 8s;
    opacity: 0.3;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 120' preserveAspectRatio='none'%3E%3Cpath d='M0,50 C300,20 500,80 700,40 C900,10 1100,70 1200,50 L1200,120 L0,120 Z' fill='rgba(255,255,255,0.25)'%3E%3C/path%3E%3C/svg%3E")
        repeat-x;
}

.wave-2 {
    bottom: 10px;
    animation-duration: 12s;
    animation-direction: reverse;
    opacity: 0.2;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 120' preserveAspectRatio='none'%3E%3Cpath d='M0,40 C250,70 450,10 650,45 C850,80 1050,25 1200,40 L1200,120 L0,120 Z' fill='rgba(255,255,255,0.35)'%3E%3C/path%3E%3C/svg%3E")
        repeat-x;
}

.wave-3 {
    bottom: 20px;
    animation-duration: 15s;
    opacity: 0.15;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 120' preserveAspectRatio='none'%3E%3Cpath d='M0,70 C200,40 400,90 600,55 C800,25 1000,85 1200,65 L1200,120 L0,120 Z' fill='rgba(255,255,255,0.025)'%3E%3C/path%3E%3C/svg%3E")
        repeat-x;
}

@keyframes waveFlow {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

/* Responsive logo sizing */
@media (max-width: 1200px) {
    .iaq-logo-white-text {
        max-width: 180px;
        margin: 25px auto;
    }
    .main-text {
        font-size: 2.5rem;
    }
}

@media (max-width: 992px) {
    .iaq-logo-white-text {
        max-width: 160px;
        margin: 20px auto;
    }
    .main-text {
        font-size: 2rem;
    }
}

@media (max-width: 768px) {
    .iaq-logo-white-text {
        max-width: 140px;
        margin: 15px auto;
    }
    .main-text {
        font-size: 1.8rem;
    }
}

@media (max-width: 576px) {
    .iaq-logo-white-text {
        max-width: 120px;
        margin: 10px auto;
    }
    .main-text {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .iaq-logo-white-text {
        max-width: 100px;
        margin: 8px auto;
    }
    .main-text {
        font-size: 1.2rem;
    }
}

@keyframes float {
    0%,
    100% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-20px);
    }
}

@keyframes wave {
    0% {
        background-position-x: 0;
    }

    100% {
        background-position-x: 1200px;
    }
}