:root {
    /* Refined Color Palette */
    --red: #e63946;           /* Main Action Color */
    --light-blue: #e1f5fe;    /* Used for subtle icon backgrounds */
    --grey: #757575;          /* Standard Grey for secondary text */
    --grey-dark: #333333;     /* Dark Grey for headings */
    --white: #ffffff;         /* Pure White */
    --border-blue: #b3e5fc;   /* Light blue for borders */
    --light-grey: #D3D3D3;    /* Section background */
    --green: #25D366;         /* WhatsApp Green */
    
    /* Functional Defaults */
    --bg: var(--white);
    --transition: 0.3s ease-in-out;
}

body {
    background-color: var(--bg);
    color: var(--grey-dark);
    font-family: 'Inter', sans-serif;
    margin: 0;
}

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

/* Navigation */
header {
    position: fixed; width: 100%; top: 0; z-index: 1000;
    padding: 20px 0; transition: 0.4s;
}

header.sticky {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-blue);
    padding: 10px 0;
}

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

#logo { font-size: 2rem; font-weight: 900; color: var(--grey-dark); text-decoration: none; letter-spacing: 2px; }
#logo span { color: var(--red); font-weight: 900; }

#nav-menu { display: flex; list-style: none; gap: 30px; }
#nav-menu a { color: var(--grey-dark); text-decoration: none; font-size: 1rem; text-transform: uppercase; font-weight: 600; }
#nav-menu a:hover { color: var(--red); }

/* Hero Section - UPDATED for lighter background */
#hero {
    height: 100vh;
    /* Lowered opacity of the black gradient to make it lighter */
    background: linear-gradient(rgba(0, 0, 0, 0.2), rgba(0, 0, 0, 0.4)), url('https://images.unsplash.com/photo-1512917774080-9991f1c4c750?auto=format&fit=crop&w=1920&q=80');
    background-size: cover; 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    text-align: center;
    color: var(--white);
    /* Subtle text shadow added for readability on lighter backgrounds */
    text-shadow: 0 2px 10px rgba(0,0,0,0.3); 
}

h1 { font-family: 'Playfair Display', serif; font-size: 5rem; margin-bottom: 1rem; }
h1 span { color: var(--red); font-style: italic; }

.search-box {
    background: var(--white); padding: 10px; border-radius: 50px;
    display: flex; max-width: 600px; margin: 40px auto;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    text-shadow: none; /* Reset shadow for input area */
}

.input-group { flex: 1; padding: 0 20px; text-align: left; }
.input-group label { display: block; font-size: 0.6rem; color: var(--grey); text-transform: uppercase; font-weight: 700; }
.input-group input { border: none; outline: none; width: 100%; font-size: 1rem; color: var(--grey-dark); }

.search-btn { background: var(--red); color: var(--white); border: none; padding: 15px 30px; border-radius: 50px; cursor: pointer; font-weight: bold; }

/* Services Section */
#services-section {
    padding: 80px 20px;
    text-align: center;
    background-color: var(--light-grey);
}

.section-header { margin-bottom: 50px; }
.section-title { font-family: 'Playfair Display', serif; font-size: 2.5rem; color: var(--grey-dark); margin-bottom: 10px; }
.section-title span { color: var(--red); }
.section-subtitle { font-family: 'Inter', sans-serif; color: var(--grey); max-width: 600px; margin: 0 auto; }

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    padding: 20px 0;
}

.service-box {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
    transition: all 0.4s ease;
    border: 1px solid var(--border-blue);
    text-align: center;
}

.service-box:hover {
    transform: translateY(-10px);
    border-color: var(--red);
    box-shadow: 0 15px 30px rgba(230, 57, 70, 0.1);
}

.icon-wrapper {
    width: 60px; height: 60px;
    background: var(--light-blue);
    color: var(--red);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 20px;
    font-size: 1.5rem;
    transition: 0.3s;
}

.service-box:hover .icon-wrapper {
    background: var(--red);
    color: var(--white);
}

.service-box h3 { color: var(--grey-dark); margin-bottom: 15px; }
.service-box p { color: var(--grey); line-height: 1.6; font-size: 0.95rem; margin-bottom: 25px; }

/* WhatsApp Button Styling */
.btn-gold {
    background-color: var(--green);
    color: var(--white);
    padding: 12px 25px;
    text-decoration: none;
    border-radius: 30px;
    font-weight: bold;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: transform 0.2s, background-color 0.2s;
    border: none;
}

.btn-gold:hover {
    transform: scale(1.05);
    background-color: #1ebe57; /* Slightly deeper green for hover effect */
}

/* Mobile Responsiveness */
@media (max-width: 600px) {
    h1 { font-size: 3rem; }
    .services-grid { grid-template-columns: 1fr; }
}