/* Modern Design System */
:root {
    --primary: #2d3436;
    --secondary: #0984e3;
    --accent: #e74c3c;
    --light: #f9f9f9;
    --shadow: 0 4px 6px rgba(0,0,0,0.1);
}

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

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    line-height: 1.8;
    color: var(--primary);
    scroll-behavior: smooth;
}

header {
    background: var(--primary);
    color: white;
    padding: 2rem 0;
    box-shadow: var(--shadow);
    position: relative;
    z-index: 1000;
}

.hero {
    background: linear-gradient(45deg, rgba(45,52,54,0.9), rgba(9,132,227,0.8)), url('hero-bg.jpg') center/cover;
    min-height: 70vh;
    display: flex;
    align-items: center;
    padding: 4rem 2rem;
    position: relative;
    overflow: hidden;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -50px;
    left: 0;
    right: 0;
    height: 100px;
    background: white;
    transform: skewY(-3deg);
}

.container {
    width: 85%;
    max-width: 1280px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

section {
    padding: 6rem 0;
}

h1, h2 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; color: var(--secondary); }

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    background: var(--accent);
    color: white;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(231,76,60,0.25);
}

#services ul, #why-choose-us ul {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    padding: 2rem 0;
}

#services li, #why-choose-us li {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease;
    position: relative;
    overflow: hidden;
}

#services li::before, #why-choose-us li::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--accent);
}

#services li:hover, #why-choose-us li:hover {
    transform: translateY(-5px);
}

footer {
    background: var(--primary);
    color: white;
    padding: 4rem 0 2rem;
    margin-top: 6rem;
}

footer .container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    text-align: left;
}

@media(max-width: 768px) {
    .hero {
        min-height: 60vh;
        text-align: center;
    }
    
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

section {
    animation: fadeIn 0.6s ease-out;
}