/* CSS Reset & Base Layout */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    font-size: 16px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
    line-height: 1.6;
    color: #333;
    font-size: 1rem;
    /* 16px default */
}

.da-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
    /* Mobile-friendly padding */
}

/* Header Layout - Mobile First (Default) */
.site-header {
    padding: 1.25rem 0;
}

.site-header .da-container {
    display: flex;
    flex-direction: column;
    /* Stack vertically for mobile */
    align-items: center;
    gap: 1rem;
}

.site-branding .site-title {
    font-size: 1.5rem;
    font-weight: bold;
}

.site-branding .site-title a {
    text-decoration: none;
    color: inherit;
}

/* Navigation - Mobile First (Default) */
.da-nav ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    /* Stack nav items vertically */
    align-items: center;
    gap: 0.75rem;
}

.da-nav ul li {
    display: block;
}

.da-nav ul li a {
    text-decoration: none;
    color: inherit;
    font-size: 1rem;
}

/* --- Breakpoints --- */

/* Small Devices (Landscape Phones, 576px and up) */
@media (min-width: 576px) {
    .da-container {
        padding: 0 1.5rem;
    }
}

/* Medium Devices (Tablets, 768px and up) */
@media (min-width: 768px) {
    .site-header .da-container {
        flex-direction: row;
        /* Horizontal layout for tablet+ */
        justify-content: space-between;
        gap: 0;
    }

    .da-nav ul {
        flex-direction: row;
        /* Horizontal nav for tablet+ */
        gap: 1.5rem;
    }

    .da-nav ul li {
        display: inline-flex;
    }
}

/* Large Devices (Desktops, 992px and up) */
@media (min-width: 992px) {
    /* Potential future refinements */
}

/* Extra Large Devices (Large Desktops, 1200px and up) */
@media (min-width: 1200px) {
    /* Potential future refinements */
}

/* --- Global UI Components --- */

/* Logo Sizing */
.da-logo-link {
    display: inline-flex;
    align-items: center;
    text-decoration: none !important;
}

.da-logo {
    width: clamp(180px, 24vw, 300px);
    height: auto;
    max-width: 100%;
    display: block;
    transition: width 0.2s ease, opacity 0.2s ease;
}

.da-logo:hover {
    opacity: 0.88;
}

@media (max-width: 991px) {
    .da-logo {
        width: clamp(150px, 30vw, 240px);
    }
}

@media (max-width: 768px) {
    .da-logo {
        width: 180px;
    }
}

@media (max-width: 400px) {
    .da-logo {
        width: 160px;
    }
}

/* WhatsApp Floating Button */
.whatsapp-float {
    position: fixed;
    width: 60px;
    height: 60px;
    bottom: 25px;
    right: 25px;
    background-color: #25d366;
    color: #FFF;
    border-radius: 50px;
    text-align: center;
    font-size: 30px;
    box-shadow: 2px 2px 3px #999;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none !important;
    transition: all 0.3s ease;
}

.whatsapp-float:hover {
    background-color: #128c7e;
    color: #FFF !important;
    transform: scale(1.1);
}

.whatsapp-float i {
    margin-top: 0;
}

.whatsapp-pulse {
    animation: pulse-green 2s infinite;
    border-radius: 50%;
}

@keyframes pulse-green {
    0% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
    }

    70% {
        box-shadow: 0 0 0 15px rgba(37, 211, 102, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
    }
}

@media screen and (max-width: 768px) {
    .whatsapp-float {
        width: 50px;
        height: 50px;
        bottom: 20px;
        right: 20px;
        font-size: 25px;
    }
}