:root {
    --primary-color: #1a237e;
    --primary-dark: #0d47a1;
    --accent-color: #00c853;
    --bg-color: #f0f2f5;
    --text-color: #333;
    --text-light: #666;
    --white: #ffffff;
    --glass-bg: rgba(255, 255, 255, 0.8);
    --glass-border: rgba(255, 255, 255, 0.3);
    --shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.15);
    --transition: all 0.3s ease;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    padding-bottom: 80px; /* Space for bottom navbar */
}

.container {
    width: 100%;
    max-width: 600px; /* Focused for mobile experience */
    margin: 0 auto;
    padding: 0 15px;
}

/* Navbar */
.navbar {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
    padding: 15px;
    display: flex;
    justify-content: center;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.navbar img {
    height: 40px;
    transition: var(--transition);
}

/* Content Card */
.content-card {
    background: var(--white);
    margin: 20px 0;
    padding: 25px;
    border-radius: 20px;
    box-shadow: var(--shadow);
    border: 1px solid var(--glass-border);
}

h1, h2, h3 {
    color: var(--primary-color);
    margin-bottom: 20px;
    text-align: center;
}

/* Form Styling */
.form-group {
    margin-bottom: 20px;
}

label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    font-size: 0.9rem;
    color: var(--text-light);
}

select, input {
    width: 100%;
    padding: 12px 15px;
    border-radius: 12px;
    border: 2px solid #eee;
    font-size: 1rem;
    transition: var(--transition);
    background: #f9f9f9;
}

select:focus, input:focus {
    outline: none;
    border-color: var(--primary-color);
    background: var(--white);
}

/* Buttons */
.btn {
    width: 100%;
    padding: 14px;
    border-radius: 12px;
    border: none;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--white);
    box-shadow: 0 4px 15px rgba(26, 35, 126, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(26, 35, 126, 0.4);
}

.btn-whatsapp {
    background: var(--accent-color);
    color: var(--white);
    margin-top: 15px;
}

/* Bottom Navbar */
.bottom-navbar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    display: flex;
    justify-content: space-around;
    padding: 10px 0;
    border-top: 1px solid var(--glass-border);
    z-index: 1000;
    box-shadow: 0 -5px 20px rgba(0,0,0,0.05);
}

.bottom-navbar a {
    text-decoration: none;
    color: var(--text-light);
    display: flex;
    flex-direction: column;
    align-items: center;
    font-size: 0.75rem;
    font-weight: 500;
    transition: var(--transition);
    padding: 5px 15px;
    border-radius: 12px;
}

.bottom-navbar a span {
    font-size: 1.4rem;
    margin-bottom: 2px;
}

.bottom-navbar a.active {
    color: var(--primary-color);
}

.bottom-navbar a.active span {
    transform: scale(1.1);
}

/* Utilities */
.text-center { text-align: center; }
.mt-10 { margin-top: 10px; }
.mb-20 { margin-bottom: 20px; }