:root {
    --primary: #007BFF;
    --secondary: #0056b3;
    --white: #FFFFFF;
    --black: #2C3E50;
    --light-grey: #f4f7f6;
    --accent: #2ecc71;
}

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

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

/* Navigation */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 8%;
    background: var(--white);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.logo span {
    color: var(--black);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-links a {
    text-decoration: none;
    color: var(--black);
    font-weight: 500;
    transition: 0.3s;
}

.nav-links a:hover {
    color: var(--primary);
}

/* Hero Section */
.hero {
    height: 80vh;
    background: linear-gradient(rgba(0,123,255,0.8), rgba(0,0,0,0.6)), url('img/hero.jpg') center/cover no-repeat;
    background-color: var(--primary);
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: white;
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 20px;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 30px;
}

.btn-main {
    background: var(--accent);
    color: white;
    padding: 15px 35px;
    text-decoration: none;
    border-radius: 10px;
    font-weight: 600;
    transition: 0.3s;
    display: inline-block;
}

.btn-main:hover {
    background: #27ae60;
    transform: scale(1.05);
}

/* Sections */
.section {
    padding: 80px 8%;
    text-align: center;
}

.section-title {
    font-size: 2.2rem;
    margin-bottom: 40px;
    position: relative;
    padding-bottom: 15px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background: var(--primary);
}

.bg-light {
    background: var(--light-grey);
}

/* Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
}

.card {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: 0.3s;
    border-top: 5px solid var(--primary);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.icon-box {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 20px;
}

/* Info Grid */
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
}

.info-item {
    padding: 20px;
}

.info-item i {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 15px;
}

/* Footer */
footer {
    background: var(--black);
    color: white;
    padding: 40px 8%;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.highlight {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
}

/* WhatsApp Float */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: #25D366;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 30px;
    z-index: 1000;
    text-decoration: none;
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        position: absolute;
        right: 0px;
        height: 92vh;
        top: 8vh;
        background-color: var(--white);
        display: flex;
        flex-direction: column;
        align-items: center;
        width: 70%;
        transform: translateX(100%);
        transition: transform 0.5s ease-in;
        padding-top: 50px;
    }
    .nav-links.nav-active {
        transform: translateX(0%);
    }
    .burger {
        display: block;
        cursor: pointer;
    }
    .burger div {
        width: 25px;
        height: 3px;
        background-color: var(--black);
        margin: 5px;
    }
}