:root {
    --primary: #059669; /* Emerald Green */
    --primary-hover: #047857;
    --secondary: #111827; /* Dark Slate */
    --accent: #fbbf24; /* Amber */
    --bg-light: #f0fdf4;
    --bg-white: #ffffff;
    --text-main: #111827;
    --text-muted: #6b7280;
    --glass: rgba(255, 255, 255, 0.8);
    --glass-border: rgba(255, 255, 255, 0.4);
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    --radius: 20px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', system-ui, sans-serif;
}

body {
    background-color: #f9fafb;
    color: var(--text-main);
    line-height: 1.6;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header */
header {
    background: var(--glass);
    backdrop-filter: blur(15px);
    border-bottom: 1px solid var(--glass-border);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 15px 0;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.6rem;
    font-weight: 900;
    color: var(--secondary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
}

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

/* Hero */
.hero {
    padding: 100px 0;
    background: linear-gradient(rgba(5, 150, 105, 0.7), rgba(17, 24, 39, 0.8)), url('/assets/renov_hero.png');
    background-size: cover;
    background-position: center;
    color: white;
    text-align: center;
}

h1 {
    font-size: 3.5rem;
    font-weight: 900;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.hero p {
    font-size: 1.3rem;
    max-width: 700px;
    margin: 0 auto 30px;
    opacity: 0.9;
}

/* Grids */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
    margin: 50px 0;
}

.card {
    background: var(--bg-white);
    padding: 30px;
    border-radius: var(--radius);
    border: 1px solid #f3f4f6;
    transition: all 0.3s ease;
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow);
}

.card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 30px;
    border-radius: 99px;
    font-weight: 700;
    text-decoration: none;
    transition: 0.3s;
}

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

.btn-primary:hover {
    background: var(--primary-hover);
    transform: scale(1.05);
}

/* Footer */
footer {
    background: var(--secondary);
    color: white;
    padding: 60px 0 30px;
    margin-top: 80px;
}

.footer-link {
    color: #9ca3af;
    text-decoration: none;
    display: block;
    margin-bottom: 10px;
}

.footer-link:hover { color: white; }

@media (max-width: 768px) {
    h1 { font-size: 2.2rem; }
}