:root {
    --ph-green: #1b5e20;
    --ph-green-hover: #134316;
    --ph-yellow: #fbc02d;
    --ph-purple: #4a148c;
    --ph-dark: #1e293b;
    --ph-light: #f8fafc;
}

body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    color: var(--ph-dark);
    overflow-x: hidden;
}

.text-ph-green { color: var(--ph-green) !important; }
.text-ph-purple { color: var(--ph-purple) !important; }
.text-ph-dark { color: var(--ph-dark) !important; }
.bg-ph-green { background-color: var(--ph-green) !important; }
.bg-ph-yellow { background-color: var(--ph-yellow) !important; }
.bg-ph-purple { background-color: var(--ph-purple) !important; }
.bg-light-ph { background-color: var(--ph-light) !important; }

.bg-white-10 {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(5px);
}

.btn-ph-green {
    background-color: var(--ph-green);
    color: #fff;
    font-weight: 600;
    border: none;
    transition: all 0.3s ease;
}

.btn-ph-green:hover {
    background-color: var(--ph-green-hover);
    color: #fff;
    transform: translateY(-2px);
}

.hero-section {
    min-height: 100vh;
    padding-top: 100px;
    padding-bottom: 50px;
    background: linear-gradient(135deg, #ffffff 0%, #f1f8e9 100%);
}

.floating-bottle {
    animation: float 4s ease-in-out infinite;
    max-height: 520px;
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-15px); }
    100% { transform: translateY(0px); }
}

.card-problem {
    transition: transform 0.3s ease, shadow 0.3s ease;
}

.card-problem:hover {
    transform: translateY(-5px);
}

.step-number {
    width: 50px;
    height: 50px;
    line-height: 50px;
    font-size: 1.25rem;
    font-weight: bold;
}

.whatsapp-float {
    position: fixed;
    width: 60px;
    height: 60px;
    bottom: 30px;
    right: 30px;
    background-color: #25d366;
    color: #FFF;
    border-radius: 50px;
    text-align: center;
    font-size: 30px;
    box-shadow: 2px 2px 10px rgba(0,0,0,0.2);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all 0.3s ease;
}

.whatsapp-float:hover {
    color: #FFF;
    transform: scale(1.1);
}