:root {
    --primary: #0056b3;
    --primary-dark: #003d80;
    --accent: #20c997;
    --text-main: #2d3436;
    --text-muted: #636e72;
    --bg-white: #ffffff;
    --bg-light: #f8f9fa;
    --glass: rgba(255, 255, 255, 0.8);
    --shadow-soft: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-strong: 0 10px 30px rgba(0, 0, 0, 0.15);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-white);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

/* --- Navigation --- */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1.5rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--glass);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: var(--shadow-soft);
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

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

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

/* --- Hero Section --- */
.hero {
    height: 100vh;
    background: linear-gradient(rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.4)), url('assets/hero.png');
    background-size: cover;
    background-position: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: white;
    padding: 0 5%;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    font-weight: 900;
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.hero p {
    font-size: 1.2rem;
    max-width: 600px;
    margin-bottom: 2.5rem;
    opacity: 0.9;
}

.cta-button {
    background-color: var(--primary);
    color: white;
    padding: 1rem 2.5rem;
    border: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.3s, background-color 0.3s;
    text-decoration: none;
}

.cta-button:hover {
    background-color: var(--primary-dark);
    transform: translateY(-3px);
}

/* --- Sections --- */
section {
    padding: 6rem 10%;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3.5rem;
    position: relative;
    padding-bottom: 1rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--primary);
    border-radius: 2px;
}

/* --- Services --- */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--bg-light);
    padding: 2.5rem;
    border-radius: 20px;
    transition: transform 0.3s, box-shadow 0.3s;
    text-align: center;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-strong);
}

.service-card i {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 1.5rem;
}

.service-card h3 {
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

/* --- About/Detail Section --- */
.about {
    display: flex;
    align-items: center;
    gap: 4rem;
    background: var(--bg-light);
}

.about-img {
    flex: 1;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-strong);
}

.about-img img {
    width: 100%;
    display: block;
}

.about-content {
    flex: 1;
}

.about-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

/* --- Contact --- */
.contact-container {
    display: flex;
    justify-content: center;
    gap: 4rem;
}

.contact-info {
    text-align: center;
}

.phone-link {
    font-size: 2rem;
    color: var(--primary);
    font-weight: 800;
    text-decoration: none;
}

/* --- Footer --- */
footer {
    background: var(--text-main);
    color: white;
    text-align: center;
    padding: 3rem;
}

@media (max-width: 768px) {
    .nav-links { display: none; }
    .hero h1 { font-size: 2.5rem; }
    .about { flex-direction: column; }
    .contact-container { flex-direction: column; align-items: center; }
}