/* Reset & Basics */
* { box-sizing: border-box; margin: 0; padding: 0; font-family: 'Segoe UI', sans-serif; }
body { background-color: #f9fdfb; color: #333; line-height: 1.6; }
html { scroll-behavior: smooth; }

/* Navigation */
nav {
    display: flex; justify-content: space-between; align-items: center;
    padding: 1rem 5%; background: white; box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    position: sticky; top: 0; z-index: 1000;
}
.logo { font-size: 1.5rem; font-weight: bold; color: #2c5e50; }
.nav-links { list-style: none; display: flex; gap: 20px; }
.nav-links a { text-decoration: none; color: #333; }
.btn-book { background: #2c5e50; color: white !important; padding: 8px 15px; border-radius: 5px; }

/* Hero Section */
header {
    height: 80vh; background: linear-gradient(rgba(0,0,0,0.3), rgba(0,0,0,0.3)), url('https://images.unsplash.com/photo-1544367563-12123d8965cd?ixlib=rb-1.2.1&auto=format&fit=crop&w=1350&q=80');
    background-size: cover; background-position: center;
    display: flex; align-items: center; justify-content: center; text-align: center; color: white;
}
.hero-content h1 { font-size: 3rem; margin-bottom: 10px; }
.cta-button {
    display: inline-block; margin-top: 20px; padding: 12px 25px;
    background: #27ae60; color: white; text-decoration: none; border-radius: 5px; font-weight: bold;
}

/* Services */
#services { padding: 4rem 10%; text-align: center; }
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 20px; margin-top: 30px; }
.card { background: white; padding: 20px; border-radius: 8px; box-shadow: 0 2px 10px rgba(0,0,0,0.05); }
.card h3 { color: #2c5e50; margin-bottom: 10px; }

/* Booking Section */
#book { padding: 4rem 10%; background: #eef7f4; text-align: center; }
.scheduler-container { max-width: 600px; margin: 30px auto; background: white; padding: 30px; border-radius: 10px; box-shadow: 0 4px 15px rgba(0,0,0,0.1); }
input[type="date"] { padding: 10px; font-size: 1rem; margin-top: 10px; border: 1px solid #ddd; border-radius: 5px; }

.slots-grid { 
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 20px; 
}

.time-slot {
    padding: 10px; background: #fff; border: 1px solid #27ae60; color: #27ae60;
    border-radius: 5px; cursor: pointer; transition: 0.3s;
}
.time-slot:hover { background: #27ae60; color: white; }
.time-slot.booked { background: #eee; border-color: #ddd; color: #aaa; cursor: not-allowed; text-decoration: line-through; }

/* Modal Styles */
.modal { display: none; position: fixed; z-index: 2000; left: 0; top: 0; width: 100%; height: 100%; background-color: rgba(0,0,0,0.5); }
.modal-content { background-color: white; margin: 15% auto; padding: 30px; border-radius: 8px; width: 90%; max-width: 400px; text-align: left; position: relative; }
.close { position: absolute; right: 20px; top: 10px; font-size: 28px; cursor: pointer; }
input[type="text"], input[type="email"] { width: 100%; padding: 10px; margin: 10px 0; border: 1px solid #ccc; border-radius: 4px; }
button[type="submit"] { width: 100%; padding: 10px; background: #2c5e50; color: white; border: none; border-radius: 4px; cursor: pointer; font-size: 1rem; }

footer { background: #222; color: #aaa; text-align: center; padding: 20px; margin-top: auto; }