:root {
    --bg-color: #F8FAFC;
    --text-main: #1E293B;
    --text-muted: #64748B;
    --primary-color: #2563EB;
    --primary-hover: #1D4ED8;
    --whatsapp-color: #25D366;
    --whatsapp-hover: #128C7E;
    --card-bg: #FFFFFF;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    background: var(--card-bg);
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    font-size: 24px;
    font-weight: 800;
    color: var(--primary-color);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.header-phone {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 18px;
    font-weight: 600;
    color: var(--text-main);
    text-decoration: none;
    transition: color 0.3s;
}

.header-phone:hover {
    color: var(--primary-color);
}

/* Slider */
.slider-section {
    position: relative;
    width: 100%;
    height: 500px;
    overflow: hidden;
    background-color: #e2e8f0;
}

.slider-container {
    width: 100%;
    height: 100%;
    position: relative;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 0.8s ease-in-out;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.slide.active {
    opacity: 1;
    z-index: 10;
}

.slide::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0, 0, 0, 0.5); /* Overlay */
    z-index: 1;
}

.slide-content {
    position: relative;
    z-index: 2;
    color: white;
    max-width: 800px;
    padding: 20px;
}

.slide-content h1 {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.slide-content p {
    font-size: 20px;
    margin-bottom: 30px;
    text-shadow: 1px 1px 3px rgba(0,0,0,0.5);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
}

.btn-large {
    font-size: 18px;
    padding: 16px 32px;
    border-radius: 50px;
}

.slider-controls {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    padding: 0 20px;
    z-index: 20;
    pointer-events: none;
}

.slider-btn {
    pointer-events: auto;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(255,255,255,0.8);
    border: none;
    font-size: 24px;
    color: var(--text-main);
    cursor: pointer;
    transition: background 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.slider-btn:hover {
    background: white;
}

/* Services */
.services-section {
    padding: 80px 20px;
}

.section-title {
    text-align: center;
    font-size: 32px;
    font-weight: 800;
    margin-bottom: 50px;
    color: var(--text-main);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--card-bg);
    padding: 30px;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    text-align: center;
    transition: transform 0.3s;
}

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

.service-card h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.service-card p {
    color: var(--text-muted);
}

.cta-container {
    text-align: center;
    margin-top: 60px;
}

.btn-cta {
    font-size: 22px;
    padding: 20px 40px;
    border-radius: 50px;
    animation: pulse 2s infinite;
}

/* Floating Buttons */
.floating-buttons {
    position: fixed;
    bottom: 30px;
    width: 100%;
    pointer-events: none;
    z-index: 999;
}

.float-btn {
    position: absolute;
    pointer-events: auto;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
    transition: transform 0.3s, box-shadow 0.3s;
    bottom: 0;
}

.float-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 15px 30px rgba(0,0,0,0.3);
}

.whatsapp-btn {
    right: 30px;
    background-color: var(--whatsapp-color);
    animation: bounce 3s infinite;
}

.phone-btn {
    left: 30px;
    background-color: var(--primary-color);
    animation: bounce 3s infinite;
    animation-delay: 1.5s;
}

/* Animations */
@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(37, 99, 235, 0.7);
    }
    70% {
        box-shadow: 0 0 0 15px rgba(37, 99, 235, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(37, 99, 235, 0);
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

/* Responsive */
@media (max-width: 768px) {
    .slide-content h1 {
        font-size: 32px;
    }
    .slide-content p {
        font-size: 16px;
    }
    .services-grid {
        grid-template-columns: 1fr;
    }
    .header-phone {
        font-size: 16px;
    }
    .btn-cta {
        font-size: 18px;
        padding: 15px 25px;
    }
    .whatsapp-btn {
        right: 20px;
    }
    .phone-btn {
        left: 20px;
    }
}