/* ================================
   GLASS MORPHISM UTILITY CLASSES
   ================================ */

.glass-card {
    background: transparent;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border: none;
    border-radius: var(--radius-lg);
    box-shadow: none;
}

.glass-light {
    background: var(--glass-bg-light);
    backdrop-filter: var(--glass-blur-light);
    -webkit-backdrop-filter: var(--glass-blur-light);
    border: var(--btn-border-width) solid var(--border-light);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.glass-header {
    background: var(--glass-bg-header);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-bottom: var(--btn-border-width) solid var(--border-medium);
    box-shadow: var(--shadow-sm);
    transition: background 0.3s ease;
}

/* Header with solid background when needed */
header.header-solid {
    background: var(--glass-bg-header-solid);
}

.glass-sidebar {
    background: var(--glass-bg-sidebar);
    backdrop-filter: var(--glass-blur-light);
    -webkit-backdrop-filter: var(--glass-blur-light);
    border: var(--btn-border-width) solid var(--border-light);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

/* ================================
   SINGLE UNIFIED BUTTON SYSTEM
   ================================ */

/* Base Button Component - Single Universal Button */
.btn,
button {
    display: inline-block;
    color: var(--brand-primary);
    text-decoration: none;
    font-weight: var(--btn-font-weight);
    margin: 0.5rem 0;
    padding: var(--btn-padding-y) var(--btn-padding-x);
    background: var(--glass-bg-light);
    border-radius: var(--radius-sm);
    border: var(--btn-border-width) solid var(--brand-primary);
    transition: all var(--transition-base), transform var(--transition-fast);
    cursor: pointer;
    font-size: inherit;
    font-family: inherit;
}

/* Button Variants */
.btn--primary {
    background: var(--brand-primary);
    color: var(--white);
    border-color: var(--brand-primary);
    box-shadow: var(--shadow-brand);
}

.btn--secondary {
    background: var(--glass-bg-light);
    color: var(--text-primary);
    border-color: var(--border-strong);
}

.btn--ghost {
    background: transparent;
    color: var(--text-primary);
    border-color: var(--border-medium);
}

/* Button Sizes */
.btn--sm {
    padding: var(--btn-padding-y-sm) var(--btn-padding-x-sm);
}

.btn--lg {
    padding: var(--btn-padding-y-lg) var(--btn-padding-x-lg);
}

/* Logo link - clean reset */
.logo-link {
    all: unset;
    cursor: pointer;
    display: inline-block;
}

/* Base Button Hover - Single Universal Button */
.btn:hover,
button:hover {
    color: var(--brand-secondary);
    background: rgba(0, 149, 217, 0.1);
    border-color: var(--brand-secondary);
    text-decoration: none;
    transform: translateY(-1px);
}

/* Button Variant Hovers */
.btn--primary:hover {
    background: var(--brand-secondary);
    border-color: var(--brand-secondary);
    color: var(--white);
}

/* Active/Primary Button State */
button.active {
    background: var(--brand-primary);
    color: var(--white);
    border-color: var(--brand-primary);
    box-shadow: var(--shadow-brand);
}

button.active:hover {
    background: var(--brand-secondary);
    border-color: var(--brand-secondary);
}

/* Specific Contact Button Variants */
.btn--whatsapp {
    background: var(--whatsapp);
    color: var(--white);
    border-color: var(--whatsapp);
}

.btn--whatsapp:hover {
    background: #1eb854;
    border-color: #1eb854;
    color: var(--white);
}

.btn--email {
    background: var(--brand-primary);
    color: var(--white);
    border-color: var(--brand-primary);
}

.btn--email:hover {
    background: var(--brand-secondary);
    border-color: var(--brand-secondary);
    color: var(--white);
}

.btn-primary-large {
    padding: 0.75rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    background: var(--brand-primary);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    text-decoration: none;
    display: inline-block;
    transition: all var(--transition-base);
}

.btn-primary-large:hover {
    background: var(--brand-primary-dark, #1e40af);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* ================================
   UTILITY CLASSES
   ================================ */

.highlight-box {
    padding: 2rem;
    margin: 2rem 0;
}

.content-grid {
    display: grid;
    grid-template-columns: 3fr 1fr;
    gap: var(--content-gap);
}

/* Display Control */
.hidden {
    display: none;
}

.visible {
    display: block;
}

/* ================================
   SERVICE CARDS COMPONENTS
   ================================ */

.service-card {
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
    border: var(--btn-border-width) solid var(--border-light);
    box-shadow: var(--shadow-sm);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--brand-primary);
}

.service-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-base);
}

.service-card:hover .service-image img {
    transform: scale(1.05);
}

.service-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(0, 149, 217, 0.8), rgba(0, 149, 217, 0.6));
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.service-card:hover .service-overlay {
    opacity: 1;
}

.service-icon {
    font-size: 3rem;
    animation: pulse 2s ease-in-out infinite;
}

.service-content {
    padding: 1.5rem;
}

.service-content h3 {
    margin: 0 0 1rem 0;
    color: var(--brand-primary);
    font-size: 1.25rem;
    font-weight: 600;
}

.service-content p {
    margin: 0 0 1.5rem 0;
    color: var(--text-secondary);
    line-height: 1.6;
}

.service-btn {
    width: 100%;
    text-align: center;
    margin: 0;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}